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authorJakub Jelinek <jakub@redhat.com>2007-07-12 18:26:36 +0000
committerJakub Jelinek <jakub@redhat.com>2007-07-12 18:26:36 +0000
commit0ecb606cb6cf65de1d9fc8a919bceb4be476c602 (patch)
tree2ea1f8305970753e4a657acb2ccc15ca3eec8e2c /nis
parent7d58530341304d403a6626d7f7a1913165fe2f32 (diff)
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2.5-18.1
Diffstat (limited to 'nis')
-rw-r--r--nis/Makefile6
-rw-r--r--nis/Versions9
-rw-r--r--nis/libnsl.h40
-rw-r--r--nis/nis_addmember.c30
-rw-r--r--nis/nis_call.c566
-rw-r--r--nis/nis_callback.c65
-rw-r--r--nis/nis_checkpoint.c5
-rw-r--r--nis/nis_clone_dir.c27
-rw-r--r--nis/nis_clone_obj.c6
-rw-r--r--nis/nis_clone_res.c29
-rw-r--r--nis/nis_creategroup.c18
-rw-r--r--nis/nis_defaults.c127
-rw-r--r--nis/nis_domain_of.c16
-rw-r--r--nis/nis_domain_of_r.c9
-rw-r--r--nis/nis_error.c97
-rw-r--r--nis/nis_error.h48
-rw-r--r--nis/nis_file.c93
-rw-r--r--nis/nis_getservlist.c57
-rw-r--r--nis/nis_intern.h3
-rw-r--r--nis/nis_ismember.c5
-rw-r--r--nis/nis_local_names.c6
-rw-r--r--nis/nis_lookup.c109
-rw-r--r--nis/nis_ping.c11
-rw-r--r--nis/nis_print_group_entry.c14
-rw-r--r--nis/nis_removemember.c74
-rw-r--r--nis/nis_subr.c105
-rw-r--r--nis/nis_table.c380
-rw-r--r--nis/nis_xdr.c524
-rw-r--r--nis/nis_xdr.h35
-rw-r--r--nis/nisplus-parser.h18
-rw-r--r--nis/nss12
-rw-r--r--nis/nss-default.c127
-rw-r--r--nis/nss-nis.c87
-rw-r--r--nis/nss-nis.h32
-rw-r--r--nis/nss-nisplus.h6
-rw-r--r--nis/nss_compat/compat-grp.c48
-rw-r--r--nis/nss_compat/compat-initgroups.c6
-rw-r--r--nis/nss_compat/compat-pwd.c83
-rw-r--r--nis/nss_compat/compat-spwd.c73
-rw-r--r--nis/nss_nis/nis-alias.c76
-rw-r--r--nis/nss_nis/nis-ethers.c75
-rw-r--r--nis/nss_nis/nis-grp.c256
-rw-r--r--nis/nss_nis/nis-hosts.c136
-rw-r--r--nis/nss_nis/nis-initgroups.c121
-rw-r--r--nis/nss_nis/nis-netgrp.c30
-rw-r--r--nis/nss_nis/nis-network.c115
-rw-r--r--nis/nss_nis/nis-proto.c60
-rw-r--r--nis/nss_nis/nis-publickey.c106
-rw-r--r--nis/nss_nis/nis-pwd.c350
-rw-r--r--nis/nss_nis/nis-rpc.c169
-rw-r--r--nis/nss_nis/nis-service.c254
-rw-r--r--nis/nss_nis/nis-spwd.c66
-rw-r--r--nis/nss_nisplus/nisplus-alias.c257
-rw-r--r--nis/nss_nisplus/nisplus-ethers.c251
-rw-r--r--nis/nss_nisplus/nisplus-grp.c380
-rw-r--r--nis/nss_nisplus/nisplus-hosts.c371
-rw-r--r--nis/nss_nisplus/nisplus-initgroups.c150
-rw-r--r--nis/nss_nisplus/nisplus-netgrp.c30
-rw-r--r--nis/nss_nisplus/nisplus-network.c318
-rw-r--r--nis/nss_nisplus/nisplus-parser.c252
-rw-r--r--nis/nss_nisplus/nisplus-proto.c323
-rw-r--r--nis/nss_nisplus/nisplus-publickey.c62
-rw-r--r--nis/nss_nisplus/nisplus-pwd.c388
-rw-r--r--nis/nss_nisplus/nisplus-rpc.c336
-rw-r--r--nis/nss_nisplus/nisplus-service.c341
-rw-r--r--nis/nss_nisplus/nisplus-spwd.c151
-rw-r--r--nis/rpcsvc/nislib.h8
-rw-r--r--nis/yp_xdr.c8
-rw-r--r--nis/ypclnt.c311
-rw-r--r--nis/ypupdate_xdr.c2
70 files changed, 5093 insertions, 3666 deletions
diff --git a/nis/Makefile b/nis/Makefile
index fa5c4dfd30..8083ee8044 100644
--- a/nis/Makefile
+++ b/nis/Makefile
@@ -1,4 +1,4 @@
-# Copyright (C) 1996, 1997, 1998, 2001, 2004 Free Software Foundation, Inc.
+# Copyright (C) 1996,1997,1998,2001,2004,2006 Free Software Foundation, Inc.
# This file is part of the GNU C Library.
# The GNU C Library is free software; you can redistribute it and/or
@@ -54,7 +54,7 @@ libnsl-routines = yp_xdr ypclnt ypupdate_xdr \
nis_print_group_entry nis_domain_of nis_domain_of_r\
nis_modify nis_remove nis_add nis_defaults\
nis_findserv nis_callback nis_clone_dir nis_clone_obj\
- nis_clone_res
+ nis_clone_res nss-default
libnss_compat-routines := $(addprefix compat-,grp pwd spwd initgroups)
libnss_compat-inhibit-o = $(filter-out .os,$(object-suffixes))
@@ -64,7 +64,7 @@ libnss_nis-routines := $(addprefix nis-,$(databases)) nis-initgroups \
libnss_nis-inhibit-o = $(filter-out .os,$(object-suffixes))
libnss_nisplus-routines := $(addprefix nisplus-,$(databases)) nisplus-parser \
- nss-nisplus
+ nss-nisplus nisplus-initgroups
libnss_nisplus-inhibit-o = $(filter-out .os,$(object-suffixes))
include ../Rules
diff --git a/nis/Versions b/nis/Versions
index d6b6a972f6..be4453e285 100644
--- a/nis/Versions
+++ b/nis/Versions
@@ -57,6 +57,10 @@ libnsl {
GLIBC_2.2 {
xdr_ypall;
}
+ GLIBC_PRIVATE {
+ _nsl_default_nss; __prepare_niscall; __follow_path; __do_niscall3;
+ __create_ib_request; _xdr_ib_request; _xdr_nis_result;
+ }
}
libnss_compat {
@@ -117,11 +121,10 @@ libnss_nisplus {
_nss_nisplus_getservbyname_r; _nss_nisplus_getservbynumber_r;
_nss_nisplus_getservent_r; _nss_nisplus_getspent_r;
_nss_nisplus_getspnam_r; _nss_nisplus_netname2user;
- _nss_nisplus_parse_grent; _nss_nisplus_parse_pwent;
- _nss_nisplus_parse_spent; _nss_nisplus_setaliasent;
+ _nss_nisplus_setaliasent;
_nss_nisplus_setetherent; _nss_nisplus_setgrent; _nss_nisplus_sethostent;
_nss_nisplus_setnetent; _nss_nisplus_setnetgrent; _nss_nisplus_setprotoent;
_nss_nisplus_setpwent; _nss_nisplus_setrpcent; _nss_nisplus_setservent;
- _nss_nisplus_setspent;
+ _nss_nisplus_setspent; _nss_nisplus_initgroups_dyn;
}
}
diff --git a/nis/libnsl.h b/nis/libnsl.h
new file mode 100644
index 0000000000..c6ceb321d7
--- /dev/null
+++ b/nis/libnsl.h
@@ -0,0 +1,40 @@
+/* Copyright (C) 2005, 2006 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+
+#include <rpcsvc/nis.h>
+
+#define NSS_FLAG_NETID_AUTHORITATIVE 1
+#define NSS_FLAG_SERVICES_AUTHORITATIVE 2
+#define NSS_FLAG_SETENT_BATCH_READ 4
+
+
+/* Get current set of default flags. */
+extern int _nsl_default_nss (void);
+
+/* Set up everything for a call to __do_niscall3. */
+extern nis_error __prepare_niscall (const_nis_name name, directory_obj **dirp,
+ dir_binding *bptrp, unsigned int flags);
+libnsl_hidden_proto (__prepare_niscall)
+
+extern struct ib_request *__create_ib_request (const_nis_name name,
+ unsigned int flags);
+libnsl_hidden_proto (__create_ib_request)
+
+extern nis_error __follow_path (char **tablepath, char **tableptr,
+ struct ib_request *ibreq, dir_binding *bptr);
+libnsl_hidden_proto (__follow_path)
diff --git a/nis/nis_addmember.c b/nis/nis_addmember.c
index bbe1c23977..5e342ad0d0 100644
--- a/nis/nis_addmember.c
+++ b/nis/nis_addmember.c
@@ -1,4 +1,4 @@
-/* Copyright (c) 1997, 1998, 1999, 2004 Free Software Foundation, Inc.
+/* Copyright (c) 1997, 1998, 1999, 2004, 2006 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Thorsten Kukuk <kukuk@vt.uni-paderborn.de>, 1997.
@@ -28,13 +28,12 @@ nis_addmember (const_nis_name member, const_nis_name group)
{
size_t grouplen = strlen (group);
char buf[grouplen + 14 + NIS_MAXNAMELEN];
- char leafbuf[grouplen + 2];
char domainbuf[grouplen + 2];
nis_result *res, *res2;
nis_error status;
char *cp, *cp2;
- cp = stpcpy (buf, nis_leaf_of_r (group, leafbuf, sizeof (leafbuf) - 1));
+ cp = rawmemchr (nis_leaf_of_r (group, buf, sizeof (buf) - 1), '\0');
cp = stpcpy (cp, ".groups_dir");
cp2 = nis_domain_of_r (group, domainbuf, sizeof (domainbuf) - 1);
if (cp2 != NULL && cp2[0] != '\0')
@@ -42,30 +41,35 @@ nis_addmember (const_nis_name member, const_nis_name group)
*cp++ = '.';
stpcpy (cp, cp2);
}
- res = nis_lookup (buf, FOLLOW_LINKS|EXPAND_NAME);
+ res = nis_lookup (buf, FOLLOW_LINKS | EXPAND_NAME);
if (NIS_RES_STATUS (res) != NIS_SUCCESS)
{
status = NIS_RES_STATUS (res);
nis_freeresult (res);
return status;
}
- if ((NIS_RES_NUMOBJ (res) != 1) ||
- (__type_of (NIS_RES_OBJECT (res)) != NIS_GROUP_OBJ))
+ if (NIS_RES_NUMOBJ (res) != 1
+ || __type_of (NIS_RES_OBJECT (res)) != NIS_GROUP_OBJ)
{
nis_freeresult (res);
return NIS_INVALIDOBJ;
}
- NIS_RES_OBJECT (res)->GR_data.gr_members.gr_members_val
+ u_int gr_members_len
+ = NIS_RES_OBJECT(res)->GR_data.gr_members.gr_members_len;
+
+ nis_name *new_gr_members_val
= realloc (NIS_RES_OBJECT (res)->GR_data.gr_members.gr_members_val,
- (NIS_RES_OBJECT(res)->GR_data.gr_members.gr_members_len + 1)
- * sizeof (char *));
- if (NIS_RES_OBJECT (res)->GR_data.gr_members.gr_members_val == NULL)
+ (gr_members_len + 1) * sizeof (nis_name));
+ if (new_gr_members_val == NULL)
goto nomem_out;
- NIS_RES_OBJECT (res)->GR_data.gr_members.gr_members_val[NIS_RES_OBJECT (res)->GR_data.gr_members.gr_members_len] = strdup (member);
- if (NIS_RES_OBJECT (res)->GR_data.gr_members.gr_members_val[NIS_RES_OBJECT (res)->GR_data.gr_members.gr_members_len] == NULL)
+
+ NIS_RES_OBJECT (res)->GR_data.gr_members.gr_members_val
+ = new_gr_members_val;
+
+ new_gr_members_val[gr_members_len] = strdup (member);
+ if (new_gr_members_val[gr_members_len] == NULL)
{
- free (NIS_RES_OBJECT (res)->GR_data.gr_members.gr_members_val);
nomem_out:
nis_freeresult (res);
return NIS_NOMEMORY;
diff --git a/nis/nis_call.c b/nis/nis_call.c
index 14041a160c..c571e8f367 100644
--- a/nis/nis_call.c
+++ b/nis/nis_call.c
@@ -1,4 +1,5 @@
-/* Copyright (C) 1997, 1998, 2001, 2004 Free Software Foundation, Inc.
+/* Copyright (C) 1997, 1998, 2001, 2004, 2005, 2006, 2007
+ Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Thorsten Kukuk <kukuk@vt.uni-paderborn.de>, 1997.
@@ -25,11 +26,15 @@
#include <rpc/auth.h>
#include <rpcsvc/nis.h>
#include <sys/socket.h>
+#include <sys/stat.h>
+#include <unistd.h>
#include <netinet/in.h>
#include <arpa/inet.h>
+#include <bits/libc-lock.h>
#include "nis_xdr.h"
#include "nis_intern.h"
+#include <libnsl.h>
static const struct timeval RPCTIMEOUT = {10, 0};
static const struct timeval UDPTIMEOUT = {5, 0};
@@ -37,28 +42,19 @@ static const struct timeval UDPTIMEOUT = {5, 0};
extern u_short __pmap_getnisport (struct sockaddr_in *address, u_long program,
u_long version, u_int protocol);
-unsigned long
+unsigned long int
inetstr2int (const char *str)
{
- char buffer[strlen (str) + 3];
- size_t buflen;
- size_t i, j;
-
- buflen = stpcpy (buffer, str) - buffer;
-
- j = 0;
- for (i = 0; i < buflen; ++i)
- if (buffer[i] == '.')
+ size_t j = 0;
+ for (size_t i = 0; str[i] != '\0'; ++i)
+ if (str[i] == '.' && __builtin_expect (++j == 4, 0))
{
- ++j;
- if (j == 4)
- {
- buffer[i] = '\0';
- break;
- }
+ char buffer[i + 1];
+ buffer[i] = '\0';
+ return inet_addr (memcpy (buffer, str, i));
}
- return inet_addr (buffer);
+ return inet_addr (str);
}
void
@@ -76,8 +72,6 @@ libnsl_hidden_def (__nisbind_destroy)
nis_error
__nisbind_next (dir_binding *bind)
{
- u_int j;
-
if (bind->clnt != NULL)
{
if (bind->use_auth)
@@ -89,7 +83,7 @@ __nisbind_next (dir_binding *bind)
if (bind->trys >= bind->server_len)
return NIS_FAIL;
- for (j = bind->current_ep + 1;
+ for (u_int j = bind->current_ep + 1;
j < bind->server_val[bind->server_used].ep.ep_len; ++j)
if (strcmp (bind->server_val[bind->server_used].ep.ep_val[j].family,
"inet") == 0)
@@ -104,7 +98,7 @@ __nisbind_next (dir_binding *bind)
if (bind->server_used >= bind->server_len)
bind->server_used = 0;
- for (j = 0; j < bind->server_val[bind->server_used].ep.ep_len; ++j)
+ for (u_int j = 0; j < bind->server_val[bind->server_used].ep.ep_len; ++j)
if (strcmp (bind->server_val[bind->server_used].ep.ep_val[j].family,
"inet") == 0)
if (bind->server_val[bind->server_used].ep.ep_val[j].proto[0] == '-')
@@ -117,10 +111,79 @@ __nisbind_next (dir_binding *bind)
}
libnsl_hidden_def (__nisbind_next)
+static struct ckey_cache_entry
+{
+ struct in_addr inaddr;
+ in_port_t port;
+ unsigned int protocol;
+ des_block ckey;
+} *ckey_cache;
+static size_t ckey_cache_size;
+static size_t ckey_cache_allocated;
+static pid_t ckey_cache_pid;
+static uid_t ckey_cache_euid;
+__libc_lock_define_initialized (static, ckey_cache_lock)
+
+static bool_t
+get_ckey (des_block *ckey, struct sockaddr_in *addr, unsigned int protocol)
+{
+ size_t i;
+ pid_t pid = getpid ();
+ uid_t euid = geteuid ();
+ bool_t ret = FALSE;
+
+ __libc_lock_lock (ckey_cache_lock);
+
+ if (ckey_cache_pid != pid || ckey_cache_euid != euid)
+ {
+ ckey_cache_size = 0;
+ ckey_cache_pid = pid;
+ ckey_cache_euid = euid;
+ }
+
+ for (i = 0; i < ckey_cache_size; ++i)
+ if (ckey_cache[i].port == addr->sin_port
+ && ckey_cache[i].protocol == protocol
+ && memcmp (&ckey_cache[i].inaddr, &addr->sin_addr,
+ sizeof (addr->sin_addr)) == 0)
+ {
+ *ckey = ckey_cache[i].ckey;
+ ret = TRUE;
+ break;
+ }
+
+ if (!ret && key_gendes (ckey) >= 0)
+ {
+ ret = TRUE;
+ /* Don't grow the cache indefinitely. */
+ if (ckey_cache_size == 256)
+ ckey_cache_size = 0;
+ if (ckey_cache_size == ckey_cache_allocated)
+ {
+ size_t size = ckey_cache_allocated ? ckey_cache_allocated * 2 : 16;
+ struct ckey_cache_entry *new_cache
+ = realloc (ckey_cache, size * sizeof (*ckey_cache));
+ if (new_cache != NULL)
+ {
+ ckey_cache = new_cache;
+ ckey_cache_allocated = size;
+ }
+ }
+ ckey_cache[ckey_cache_size].inaddr = addr->sin_addr;
+ ckey_cache[ckey_cache_size].port = addr->sin_port;
+ ckey_cache[ckey_cache_size].protocol = protocol;
+ ckey_cache[ckey_cache_size++].ckey = *ckey;
+ }
+
+ __libc_lock_unlock (ckey_cache_lock);
+ return ret;
+}
+
nis_error
__nisbind_connect (dir_binding *dbp)
{
nis_server *serv;
+ u_short port;
if (dbp == NULL)
return NIS_FAIL;
@@ -133,14 +196,17 @@ __nisbind_connect (dir_binding *dbp)
dbp->addr.sin_addr.s_addr =
inetstr2int (serv->ep.ep_val[dbp->current_ep].uaddr);
- if (dbp->addr.sin_addr.s_addr == 0)
+ if (dbp->addr.sin_addr.s_addr == INADDR_NONE)
return NIS_FAIL;
/* Check, if the host is online and rpc.nisd is running. Much faster
then the clnt*_create functions: */
- if (__pmap_getnisport (&dbp->addr, NIS_PROG, NIS_VERSION, IPPROTO_UDP) == 0)
+ port = __pmap_getnisport (&dbp->addr, NIS_PROG, NIS_VERSION,
+ dbp->use_udp ? IPPROTO_UDP : IPPROTO_TCP);
+ if (port == 0)
return NIS_RPCERROR;
+ dbp->addr.sin_port = htons (port);
dbp->socket = RPC_ANYSOCK;
if (dbp->use_udp)
dbp->clnt = clntudp_create (&dbp->addr, NIS_PROG, NIS_VERSION,
@@ -163,23 +229,21 @@ __nisbind_connect (dir_binding *dbp)
{
char netname[MAXNETNAMELEN + 1];
char *p;
+ des_block ckey;
- p = stpcpy (netname, "unix.");
+ p = stpcpy (netname, "unix@");
strncpy (p, serv->name, MAXNETNAMELEN - 5);
netname[MAXNETNAMELEN] = '\0';
- // XXX What is this supposed to do? If we really want to replace
- // XXX the first dot, then we might as well use unix@ as the
- // XXX prefix string. --drepper
- p = strchr (netname, '.');
- *p = '@';
- dbp->clnt->cl_auth =
- authdes_pk_create (netname, &serv->pkey, 300, NULL, NULL);
+ dbp->clnt->cl_auth = NULL;
+ if (get_ckey (&ckey, &dbp->addr,
+ dbp->use_udp ? IPPROTO_UDP : IPPROTO_TCP))
+ dbp->clnt->cl_auth =
+ authdes_pk_create (netname, &serv->pkey, 300, NULL, &ckey);
if (!dbp->clnt->cl_auth)
dbp->clnt->cl_auth = authunix_create_default ();
}
else
dbp->clnt->cl_auth = authunix_create_default ();
- dbp->use_auth = TRUE;
}
return NIS_SUCCESS;
@@ -188,7 +252,8 @@ libnsl_hidden_def (__nisbind_connect)
nis_error
__nisbind_create (dir_binding *dbp, const nis_server *serv_val,
- unsigned int serv_len, unsigned int flags)
+ unsigned int serv_len, unsigned int server_used,
+ unsigned int current_ep, unsigned int flags)
{
dbp->clnt = NULL;
@@ -214,10 +279,15 @@ __nisbind_create (dir_binding *dbp, const nis_server *serv_val,
dbp->trys = 1;
dbp->class = -1;
- if (__nis_findfastest (dbp) < 1)
+ if (server_used == ~0)
{
- __nisbind_destroy (dbp);
- return NIS_NAMEUNREACHABLE;
+ if (__nis_findfastest (dbp) < 1)
+ return NIS_NAMEUNREACHABLE;
+ }
+ else
+ {
+ dbp->server_used = server_used;
+ dbp->current_ep = current_ep;
}
return NIS_SUCCESS;
@@ -269,6 +339,7 @@ __do_niscall3 (dir_binding *dbp, u_long prog, xdrproc_t xargs, caddr_t req,
|| ((nis_result *)resp)->status == NIS_NOSUCHNAME
|| ((nis_result *)resp)->status == NIS_NOT_ME)
{
+ next_server:
if (__nisbind_next (dbp) == NIS_SUCCESS)
{
while (__nisbind_connect (dbp) != NIS_SUCCESS)
@@ -286,38 +357,14 @@ __do_niscall3 (dir_binding *dbp, u_long prog, xdrproc_t xargs, caddr_t req,
if (((fd_result *)resp)->status == NIS_SYSTEMERROR
|| ((fd_result *)resp)->status == NIS_NOSUCHNAME
|| ((fd_result *)resp)->status == NIS_NOT_ME)
- {
- if (__nisbind_next (dbp) == NIS_SUCCESS)
- {
- while (__nisbind_connect (dbp) != NIS_SUCCESS)
- {
- if (__nisbind_next (dbp) != NIS_SUCCESS)
- return NIS_SUCCESS;
- }
- }
- else
- break; /* No more servers to search in */
- goto again;
- }
+ goto next_server;
break;
case NIS_DUMPLOG: /* log_result */
case NIS_DUMP:
if (((log_result *)resp)->lr_status == NIS_SYSTEMERROR
|| ((log_result *)resp)->lr_status == NIS_NOSUCHNAME
|| ((log_result *)resp)->lr_status == NIS_NOT_ME)
- {
- if (__nisbind_next (dbp) == NIS_SUCCESS)
- {
- while (__nisbind_connect (dbp) != NIS_SUCCESS)
- {
- if (__nisbind_next (dbp) != NIS_SUCCESS)
- return NIS_SUCCESS;
- }
- }
- else
- break; /* No more servers to search in */
- goto again;
- }
+ goto next_server;
break;
default:
break;
@@ -329,6 +376,8 @@ __do_niscall3 (dir_binding *dbp, u_long prog, xdrproc_t xargs, caddr_t req,
return retcode;
}
+libnsl_hidden_def (__do_niscall3)
+
nis_error
__do_niscall2 (const nis_server *server, u_int server_len, u_long prog,
@@ -341,7 +390,7 @@ __do_niscall2 (const nis_server *server, u_int server_len, u_long prog,
if (flags & MASTER_ONLY)
server_len = 1;
- status = __nisbind_create (&dbp, server, server_len, flags);
+ status = __nisbind_create (&dbp, server, server_len, ~0, ~0, flags);
if (status != NIS_SUCCESS)
return status;
@@ -373,14 +422,18 @@ rec_dirsearch (const_nis_name name, directory_obj *dir, nis_error *status)
case HIGHER_NAME:
{ /* We need data from a parent domain */
directory_obj *obj;
- char ndomain [strlen (name) + 3];
-
- nis_domain_of_r (dir->do_name, ndomain, sizeof (ndomain));
+ const char *ndomain = __nis_domain_of (dir->do_name);
/* The root server of our domain is a replica of the parent
domain ! (Now I understand why a root server must be a
replica of the parent domain) */
fd_res = __nis_finddirectory (dir, ndomain);
+ if (fd_res == NULL)
+ {
+ nis_free_directory (dir);
+ *status = NIS_NOMEMORY;
+ return NULL;
+ }
*status = fd_res->status;
if (fd_res->status != NIS_SUCCESS)
{
@@ -388,36 +441,33 @@ rec_dirsearch (const_nis_name name, directory_obj *dir, nis_error *status)
__free_fdresult (fd_res);
return dir;
}
+ nis_free_directory (dir);
obj = calloc (1, sizeof (directory_obj));
+ if (obj == NULL)
+ {
+ __free_fdresult (fd_res);
+ *status = NIS_NOMEMORY;
+ return NULL;
+ }
xdrmem_create (&xdrs, fd_res->dir_data.dir_data_val,
fd_res->dir_data.dir_data_len, XDR_DECODE);
_xdr_directory_obj (&xdrs, obj);
xdr_destroy (&xdrs);
__free_fdresult (fd_res);
- if (obj != NULL)
- {
- /* We have found a NIS+ server serving ndomain, now
- let us search for "name" */
- nis_free_directory (dir);
- return rec_dirsearch (name, obj, status);
- }
- else
- {
- /* Ups, very bad. Are we already the root server ? */
- nis_free_directory (dir);
- return NULL;
- }
+
+ /* We have found a NIS+ server serving ndomain, now
+ let us search for "name" */
+ return rec_dirsearch (name, obj, status);
}
- break;
+ break;
case LOWER_NAME:
{
directory_obj *obj;
size_t namelen = strlen (name);
char leaf[namelen + 3];
char domain[namelen + 3];
- char ndomain[namelen + 3];
+ const char *ndomain;
char *cp;
- u_int run = 0;
strcpy (domain, name);
@@ -429,23 +479,22 @@ rec_dirsearch (const_nis_name name, directory_obj *dir, nis_error *status)
return NULL;
}
nis_leaf_of_r (domain, leaf, sizeof (leaf));
- nis_domain_of_r (domain, ndomain, sizeof (ndomain));
- strcpy (domain, ndomain);
- ++run;
+ ndomain = __nis_domain_of (domain);
+ memmove (domain, ndomain, strlen (ndomain) + 1);
}
while (nis_dir_cmp (domain, dir->do_name) != SAME_NAME);
- if (run == 1)
- {
- /* We have found the directory above. Use it. */
- return dir;
- }
-
- cp = strchr (leaf, '\0');
+ cp = rawmemchr (leaf, '\0');
*cp++ = '.';
strcpy (cp, domain);
fd_res = __nis_finddirectory (dir, leaf);
+ if (fd_res == NULL)
+ {
+ nis_free_directory (dir);
+ *status = NIS_NOMEMORY;
+ return NULL;
+ }
*status = fd_res->status;
if (fd_res->status != NIS_SUCCESS)
{
@@ -453,21 +502,24 @@ rec_dirsearch (const_nis_name name, directory_obj *dir, nis_error *status)
__free_fdresult (fd_res);
return dir;
}
- obj = calloc(1, sizeof(directory_obj));
- xdrmem_create(&xdrs, fd_res->dir_data.dir_data_val,
- fd_res->dir_data.dir_data_len, XDR_DECODE);
- _xdr_directory_obj(&xdrs, obj);
- xdr_destroy(&xdrs);
- __free_fdresult (fd_res);
- if (obj != NULL)
+ nis_free_directory (dir);
+ obj = calloc (1, sizeof(directory_obj));
+ if (obj == NULL)
{
- /* We have found a NIS+ server serving ndomain, now
- let us search for "name" */
- nis_free_directory (dir);
- return rec_dirsearch (name, obj, status);
+ __free_fdresult (fd_res);
+ *status = NIS_NOMEMORY;
+ return NULL;
}
+ xdrmem_create (&xdrs, fd_res->dir_data.dir_data_val,
+ fd_res->dir_data.dir_data_len, XDR_DECODE);
+ _xdr_directory_obj (&xdrs, obj);
+ xdr_destroy (&xdrs);
+ __free_fdresult (fd_res);
+ /* We have found a NIS+ server serving ndomain, now
+ let us search for "name" */
+ return rec_dirsearch (name, obj, status);
}
- break;
+ break;
case BAD_NAME:
nis_free_directory (dir);
*status = NIS_BADNAME;
@@ -486,24 +538,26 @@ first_shoot (const_nis_name name, directory_obj *dir)
directory_obj *obj = NULL;
fd_result *fd_res;
XDR xdrs;
- char domain[strlen (name) + 3];
if (nis_dir_cmp (name, dir->do_name) == SAME_NAME)
return dir;
- nis_domain_of_r (name, domain, sizeof (domain));
-
- if (nis_dir_cmp (domain, dir->do_name) == SAME_NAME)
- return dir;
-
- fd_res = __nis_finddirectory (dir, domain);
+ fd_res = __nis_finddirectory (dir, name);
+ if (fd_res == NULL)
+ return NULL;
if (fd_res->status == NIS_SUCCESS
&& (obj = calloc (1, sizeof (directory_obj))) != NULL)
{
- xdrmem_create(&xdrs, fd_res->dir_data.dir_data_val,
- fd_res->dir_data.dir_data_len, XDR_DECODE);
+ xdrmem_create (&xdrs, fd_res->dir_data.dir_data_val,
+ fd_res->dir_data.dir_data_len, XDR_DECODE);
_xdr_directory_obj (&xdrs, obj);
xdr_destroy (&xdrs);
+
+ if (strcmp (dir->do_name, obj->do_name) != 0)
+ {
+ nis_free_directory (obj);
+ obj = NULL;
+ }
}
__free_fdresult (fd_res);
@@ -514,87 +568,271 @@ first_shoot (const_nis_name name, directory_obj *dir)
return obj;
}
+static struct nis_server_cache
+{
+ int search_parent;
+ int uses;
+ unsigned int size;
+ unsigned int server_used;
+ unsigned int current_ep;
+ time_t expires;
+ char name[];
+} *nis_server_cache[16];
+static time_t nis_cold_start_mtime;
+__libc_lock_define_initialized (static, nis_server_cache_lock)
+
+static directory_obj *
+nis_server_cache_search (const_nis_name name, int search_parent,
+ unsigned int *server_used, unsigned int *current_ep,
+ struct timeval *now)
+{
+ directory_obj *ret = NULL;
+ int i;
+ char *addr;
+ XDR xdrs;
+ struct stat64 st;
+
+ if (stat64 ("/var/nis/NIS_COLD_START", &st) < 0)
+ st.st_mtime = nis_cold_start_mtime + 1;
+
+ __libc_lock_lock (nis_server_cache_lock);
+
+ for (i = 0; i < 16; ++i)
+ if (nis_server_cache[i] == NULL)
+ continue;
+ else if (st.st_mtime != nis_cold_start_mtime
+ || now->tv_sec > nis_server_cache[i]->expires)
+ {
+ free (nis_server_cache[i]);
+ nis_server_cache[i] = NULL;
+ }
+ else if (nis_server_cache[i]->search_parent == search_parent
+ && strcmp (nis_server_cache[i]->name, name) == 0)
+ {
+ ret = calloc (1, sizeof (directory_obj));
+ if (ret == NULL)
+ break;
+
+ addr = rawmemchr (nis_server_cache[i]->name, '\0') + 8;
+ addr = (char *) ((uintptr_t) addr & ~(uintptr_t) 7);
+ xdrmem_create (&xdrs, addr, nis_server_cache[i]->size, XDR_DECODE);
+ if (!_xdr_directory_obj (&xdrs, ret))
+ {
+ xdr_destroy (&xdrs);
+ free (ret);
+ ret = NULL;
+ free (nis_server_cache[i]);
+ nis_server_cache[i] = NULL;
+ break;
+ }
+ xdr_destroy (&xdrs);
+ *server_used = nis_server_cache[i]->server_used;
+ *current_ep = nis_server_cache[i]->current_ep;
+ break;
+ }
+
+ nis_cold_start_mtime = st.st_mtime;
+
+ __libc_lock_unlock (nis_server_cache_lock);
+ return ret;
+}
+
+static void
+nis_server_cache_add (const_nis_name name, int search_parent,
+ directory_obj *dir, unsigned int server_used,
+ unsigned int current_ep, struct timeval *now)
+{
+ struct nis_server_cache **loc;
+ struct nis_server_cache *new;
+ struct nis_server_cache *old;
+ int i;
+ char *addr;
+ unsigned int size;
+ XDR xdrs;
+
+ if (dir == NULL)
+ return;
+
+ size = xdr_sizeof ((xdrproc_t) _xdr_directory_obj, (char *) dir);
+ new = calloc (1, sizeof (*new) + strlen (name) + 8 + size);
+ if (new == NULL)
+ return;
+ new->search_parent = search_parent;
+ new->uses = 1;
+ new->expires = now->tv_sec + dir->do_ttl;
+ new->size = size;
+ new->server_used = server_used;
+ new->current_ep = current_ep;
+ addr = stpcpy (new->name, name) + 8;
+ addr = (char *) ((uintptr_t) addr & ~(uintptr_t) 7);
+
+ xdrmem_create(&xdrs, addr, size, XDR_ENCODE);
+ if (!_xdr_directory_obj (&xdrs, dir))
+ {
+ xdr_destroy (&xdrs);
+ free (new);
+ return;
+ }
+ xdr_destroy (&xdrs);
+
+ __libc_lock_lock (nis_server_cache_lock);
+
+ /* Choose which entry should be evicted from the cache. */
+ loc = &nis_server_cache[0];
+ if (*loc != NULL)
+ for (i = 1; i < 16; ++i)
+ if (nis_server_cache[i] == NULL)
+ {
+ loc = &nis_server_cache[i];
+ break;
+ }
+ else if ((*loc)->uses > nis_server_cache[i]->uses
+ || ((*loc)->uses == nis_server_cache[i]->uses
+ && (*loc)->expires > nis_server_cache[i]->expires))
+ loc = &nis_server_cache[i];
+ old = *loc;
+ *loc = new;
+
+ __libc_lock_unlock (nis_server_cache_lock);
+ free (old);
+}
+
nis_error
-__nisfind_server (const_nis_name name, directory_obj **dir)
+__nisfind_server (const_nis_name name, int search_parent,
+ directory_obj **dir, dir_binding *dbp, unsigned int flags)
{
+ nis_error result = NIS_SUCCESS;
+ nis_error status;
+ directory_obj *obj;
+ struct timeval now;
+ unsigned int server_used = ~0;
+ unsigned int current_ep = ~0;
+
if (name == NULL)
return NIS_BADNAME;
-#if 0
- /* Search in local cache. In the moment, we ignore the fastest server */
- if (!(flags & NO_CACHE))
- dir = __nis_cache_search (name, flags, &cinfo);
-#endif
+ if (*dir != NULL)
+ return NIS_SUCCESS;
- if (*dir == NULL)
- {
- nis_error status;
- directory_obj *obj;
+ (void) gettimeofday (&now, NULL);
- *dir = readColdStartFile ();
- if (*dir == NULL) /* No /var/nis/NIS_COLD_START->no NIS+ installed */
- return NIS_UNAVAIL;
+ if ((flags & NO_CACHE) == 0)
+ *dir = nis_server_cache_search (name, search_parent, &server_used,
+ &current_ep, &now);
+ if (*dir != NULL)
+ {
+ unsigned int server_len = (*dir)->do_servers.do_servers_len;
+ if (flags & MASTER_ONLY)
+ {
+ server_len = 1;
+ if (server_used != 0)
+ {
+ server_used = ~0;
+ current_ep = ~0;
+ }
+ }
+ result = __nisbind_create (dbp, (*dir)->do_servers.do_servers_val,
+ server_len, server_used, current_ep, flags);
+ if (result != NIS_SUCCESS)
+ {
+ nis_free_directory (*dir);
+ *dir = NULL;
+ }
+ return result;
+ }
- /* Try at first, if servers in "dir" know our object */
- obj = first_shoot (name, *dir);
+ *dir = readColdStartFile ();
+ if (*dir == NULL)
+ /* No /var/nis/NIS_COLD_START->no NIS+ installed. */
+ return NIS_UNAVAIL;
+
+ /* Try at first, if servers in "dir" know our object */
+ const char *search_name = name;
+ if (search_parent)
+ search_name = __nis_domain_of (name);
+ obj = first_shoot (search_name, *dir);
+ if (obj == NULL)
+ {
+ obj = rec_dirsearch (search_name, *dir, &status);
if (obj == NULL)
+ result = status;
+ }
+
+ if (result == NIS_SUCCESS)
+ {
+ unsigned int server_len = obj->do_servers.do_servers_len;
+ if (flags & MASTER_ONLY)
+ server_len = 1;
+ result = __nisbind_create (dbp, obj->do_servers.do_servers_val,
+ server_len, ~0, ~0, flags);
+ if (result == NIS_SUCCESS)
{
- *dir = rec_dirsearch (name, *dir, &status);
- if (*dir == NULL)
- return status;
+ if ((flags & MASTER_ONLY) == 0
+ || obj->do_servers.do_servers_len == 1)
+ {
+ server_used = dbp->server_used;
+ current_ep = dbp->current_ep;
+ }
+ if ((flags & NO_CACHE) == 0)
+ nis_server_cache_add (name, search_parent, obj,
+ server_used, current_ep, &now);
}
else
- *dir = obj;
+ {
+ nis_free_directory (obj);
+ obj = NULL;
+ }
}
- return NIS_SUCCESS;
+ *dir = obj;
+
+ return result;
}
+
+nis_error
+__prepare_niscall (const_nis_name name, directory_obj **dirp,
+ dir_binding *bptrp, unsigned int flags)
+{
+ nis_error retcode = __nisfind_server (name, 1, dirp, bptrp, flags);
+ if (__builtin_expect (retcode != NIS_SUCCESS, 0))
+ return retcode;
+
+ do
+ if (__nisbind_connect (bptrp) == NIS_SUCCESS)
+ return NIS_SUCCESS;
+ while (__nisbind_next (bptrp) == NIS_SUCCESS);
+
+ __nisbind_destroy (bptrp);
+ memset (bptrp, '\0', sizeof (*bptrp));
+
+ retcode = NIS_NAMEUNREACHABLE;
+ nis_free_directory (*dirp);
+ *dirp = NULL;
+
+ return retcode;
+}
+libnsl_hidden_def (__prepare_niscall)
+
+
nis_error
__do_niscall (const_nis_name name, u_long prog, xdrproc_t xargs,
caddr_t req, xdrproc_t xres, caddr_t resp, unsigned int flags,
nis_cb *cb)
{
- nis_error retcode;
dir_binding bptr;
directory_obj *dir = NULL;
- nis_server *server;
- u_int server_len;
int saved_errno = errno;
- retcode = __nisfind_server (name, &dir);
- if (retcode != NIS_SUCCESS)
- return retcode;
-
- if (flags & MASTER_ONLY)
- {
- server = dir->do_servers.do_servers_val;
- server_len = 1;
- }
- else
- {
- server = dir->do_servers.do_servers_val;
- server_len = dir->do_servers.do_servers_len;
- }
-
- retcode = __nisbind_create (&bptr, server, server_len, flags);
+ nis_error retcode = __prepare_niscall (name, &dir, &bptr, flags);
if (retcode == NIS_SUCCESS)
{
- while (__nisbind_connect (&bptr) != NIS_SUCCESS)
- {
- if (__nisbind_next (&bptr) != NIS_SUCCESS)
- {
- nis_free_directory (dir);
- __nisbind_destroy (&bptr);
- return NIS_NAMEUNREACHABLE;
- }
- }
retcode = __do_niscall3 (&bptr, prog, xargs, req, xres, resp, flags, cb);
__nisbind_destroy (&bptr);
- }
- nis_free_directory (dir);
+ nis_free_directory (dir);
+ }
__set_errno (saved_errno);
diff --git a/nis/nis_callback.c b/nis/nis_callback.c
index b867b39ab7..e0acd9683a 100644
--- a/nis/nis_callback.c
+++ b/nis/nis_callback.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1997, 1998, 1999, 2000 Free Software Foundation, Inc.
+/* Copyright (C) 1997,1998,1999,2000,2005,2006 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Thorsten Kukuk <kukuk@suse.de>, 1997.
@@ -197,22 +197,18 @@ internal_nis_do_callback (struct dir_binding *bptr, netobj *cookie,
struct nis_cb *cb)
{
struct timeval TIMEOUT = {25, 0};
- bool_t cb_is_running = FALSE;
+ bool_t cb_is_running;
data = cb;
for (;;)
{
- struct pollfd *my_pollfd;
+ struct pollfd my_pollfd[svc_max_pollfd];
int i;
if (svc_max_pollfd == 0 && svc_pollfd == NULL)
return NIS_CBERROR;
- my_pollfd = malloc (sizeof (struct pollfd) * svc_max_pollfd);
- if (__builtin_expect (my_pollfd == NULL, 0))
- return NIS_NOMEMORY;
-
for (i = 0; i < svc_max_pollfd; ++i)
{
my_pollfd[i].fd = svc_pollfd[i].fd;
@@ -220,20 +216,17 @@ internal_nis_do_callback (struct dir_binding *bptr, netobj *cookie,
my_pollfd[i].revents = 0;
}
- switch (i = __poll (my_pollfd, svc_max_pollfd, 25*1000))
+ switch (i = TEMP_FAILURE_RETRY (__poll (my_pollfd, svc_max_pollfd,
+ 25*1000)))
{
case -1:
- free (my_pollfd);
- if (errno == EINTR)
- continue;
return NIS_CBERROR;
case 0:
- free (my_pollfd);
/* See if callback 'thread' in the server is still alive. */
- memset ((char *) &cb_is_running, 0, sizeof (cb_is_running));
+ cb_is_running = FALSE;
if (clnt_call (bptr->clnt, NIS_CALLBACK, (xdrproc_t) xdr_netobj,
(caddr_t) cookie, (xdrproc_t) xdr_bool,
- (caddr_t) & cb_is_running, TIMEOUT) != RPC_SUCCESS)
+ (caddr_t) &cb_is_running, TIMEOUT) != RPC_SUCCESS)
cb_is_running = FALSE;
if (cb_is_running == FALSE)
@@ -244,7 +237,6 @@ internal_nis_do_callback (struct dir_binding *bptr, netobj *cookie,
break;
default:
svc_getreq_poll (my_pollfd, i);
- free (my_pollfd);
if (data->nomore)
return data->result;
}
@@ -274,16 +266,15 @@ __nis_create_callback (int (*callback) (const_nis_name, const nis_object *,
struct nis_cb *cb;
int sock = RPC_ANYSOCK;
struct sockaddr_in sin;
- int len = sizeof (struct sockaddr_in);
- char addr[NIS_MAXNAMELEN + 1];
+ socklen_t len = sizeof (struct sockaddr_in);
unsigned short port;
+ int nomsg = 0;
- cb = (struct nis_cb *) calloc (1, sizeof (struct nis_cb));
+ cb = (struct nis_cb *) calloc (1,
+ sizeof (struct nis_cb) + sizeof (nis_server));
if (__builtin_expect (cb == NULL, 0))
goto failed;
- cb->serv = (nis_server *) calloc (1, sizeof (nis_server));
- if (__builtin_expect (cb->serv == NULL, 0))
- goto failed;
+ cb->serv = (nis_server *) (cb + 1);
cb->serv->name = strdup (nis_local_principal ());
if (__builtin_expect (cb->serv->name == NULL, 0))
goto failed;
@@ -326,15 +317,20 @@ __nis_create_callback (int (*callback) (const_nis_name, const nis_object *,
cb->serv->ep.ep_val[0].proto = strdup ((flags & USE_DGRAM) ? "udp" : "tcp");
if (__builtin_expect (cb->serv->ep.ep_val[0].proto == NULL, 0))
goto failed;
- cb->xprt = (flags & USE_DGRAM) ? svcudp_bufcreate (sock, 100, 8192) :
- svctcp_create (sock, 100, 8192);
+ cb->xprt = ((flags & USE_DGRAM)
+ ? svcudp_bufcreate (sock, 100, 8192)
+ : svctcp_create (sock, 100, 8192));
+ if (cb->xprt == NULL)
+ {
+ nomsg = 1;
+ goto failed;
+ }
cb->sock = cb->xprt->xp_sock;
if (!svc_register (cb->xprt, CB_PROG, CB_VERS, cb_prog_1, 0))
{
xprt_unregister (cb->xprt);
svc_destroy (cb->xprt);
xdr_free ((xdrproc_t) _xdr_nis_server, (char *) cb->serv);
- free (cb->serv);
free (cb);
syslog (LOG_ERR, "NIS+: failed to register callback dispatcher");
return NULL;
@@ -345,30 +341,30 @@ __nis_create_callback (int (*callback) (const_nis_name, const nis_object *,
xprt_unregister (cb->xprt);
svc_destroy (cb->xprt);
xdr_free ((xdrproc_t) _xdr_nis_server, (char *) cb->serv);
- free (cb->serv);
free (cb);
syslog (LOG_ERR, "NIS+: failed to read local socket info");
return NULL;
}
port = ntohs (sin.sin_port);
get_myaddress (&sin);
- snprintf (addr, sizeof (addr), "%s.%d.%d", inet_ntoa (sin.sin_addr),
- (port & 0xFF00) >> 8, port & 0x00FF);
- cb->serv->ep.ep_val[0].uaddr = strdup (addr);
+
+ if (asprintf (&cb->serv->ep.ep_val[0].uaddr, "%s.%d.%d",
+ inet_ntoa (sin.sin_addr), (port & 0xFF00) >> 8, port & 0x00FF)
+ < 0)
+ goto failed;
return cb;
failed:
if (cb)
{
- if (cb->serv)
- {
- xdr_free ((xdrproc_t) _xdr_nis_server, (char *) cb->serv);
- free (cb->serv);
- }
+ if (cb->xprt)
+ svc_destroy (cb->xprt);
+ xdr_free ((xdrproc_t) _xdr_nis_server, (char *) cb->serv);
free (cb);
}
- syslog (LOG_ERR, "NIS+: out of memory allocating callback");
+ if (!nomsg)
+ syslog (LOG_ERR, "NIS+: out of memory allocating callback");
return NULL;
}
@@ -379,7 +375,6 @@ __nis_destroy_callback (struct nis_cb *cb)
svc_destroy (cb->xprt);
close (cb->sock);
xdr_free ((xdrproc_t) _xdr_nis_server, (char *) cb->serv);
- free (cb->serv);
free (cb);
return NIS_SUCCESS;
diff --git a/nis/nis_checkpoint.c b/nis/nis_checkpoint.c
index 0146d53054..23c4707b6f 100644
--- a/nis/nis_checkpoint.c
+++ b/nis/nis_checkpoint.c
@@ -1,4 +1,4 @@
-/* Copyright (c) 1997, 1998, 1999 Free Software Foundation, Inc.
+/* Copyright (c) 1997, 1998, 1999, 2006 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Thorsten Kukuk <kukuk@vt.uni-paderborn.de>, 1997.
@@ -24,7 +24,7 @@
#include "nis_intern.h"
nis_result *
-nis_checkpoint(const_nis_name dirname)
+nis_checkpoint (const_nis_name dirname)
{
nis_result *res;
@@ -48,7 +48,6 @@ nis_checkpoint(const_nis_name dirname)
if (__type_of (NIS_RES_OBJECT (res2)) != NIS_DIRECTORY_OBJ)
{
nis_freeresult (res2);
- nis_freeresult (res);
NIS_RES_STATUS (res) = NIS_INVALIDOBJ;
return res;
}
diff --git a/nis/nis_clone_dir.c b/nis/nis_clone_dir.c
index 0271db1790..f94a1eeb74 100644
--- a/nis/nis_clone_dir.c
+++ b/nis/nis_clone_dir.c
@@ -1,4 +1,4 @@
-/* Copyright (c) 1997, 1998 Free Software Foundation, Inc.
+/* Copyright (c) 1997, 1998, 2005, 2006 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Thorsten Kukuk <kukuk@vt.uni-paderborn.de>, 1997.
@@ -26,18 +26,27 @@
directory_obj *
nis_clone_directory (const directory_obj *src, directory_obj *dest)
{
- unsigned char *addr;
+ char *addr;
unsigned int size;
XDR xdrs;
- directory_obj *res;
if (src == NULL)
- return (NULL);
+ return NULL;
size = xdr_sizeof ((xdrproc_t)_xdr_directory_obj, (char *)src);
if ((addr = calloc(1, size)) == NULL)
return NULL;
+ xdrmem_create(&xdrs, addr, size, XDR_ENCODE);
+ if (!_xdr_directory_obj (&xdrs, (directory_obj *)src))
+ {
+ xdr_destroy (&xdrs);
+ free (addr);
+ return NULL;
+ }
+ xdr_destroy (&xdrs);
+
+ directory_obj *res;
if (dest == NULL)
{
if ((res = calloc (1, sizeof (directory_obj))) == NULL)
@@ -49,18 +58,12 @@ nis_clone_directory (const directory_obj *src, directory_obj *dest)
else
res = dest;
- xdrmem_create(&xdrs, addr, size, XDR_ENCODE);
- if (!_xdr_directory_obj (&xdrs, (directory_obj *)src))
- {
- xdr_destroy (&xdrs);
- free (addr);
- return NULL;
- }
- xdr_destroy (&xdrs);
xdrmem_create (&xdrs, addr, size, XDR_DECODE);
if (!_xdr_directory_obj (&xdrs, res))
{
xdr_destroy (&xdrs);
+ if (res != dest)
+ free (res);
free (addr);
return NULL;
}
diff --git a/nis/nis_clone_obj.c b/nis/nis_clone_obj.c
index 0b163fe662..4d88200284 100644
--- a/nis/nis_clone_obj.c
+++ b/nis/nis_clone_obj.c
@@ -1,4 +1,4 @@
-/* Copyright (c) 1997, 1998, 2004 Free Software Foundation, Inc.
+/* Copyright (c) 1997, 1998, 2004, 2005 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Thorsten Kukuk <kukuk@vt.uni-paderborn.de>, 1997.
@@ -26,8 +26,8 @@
nis_object *
nis_clone_object (const nis_object *src, nis_object *dest)
{
- unsigned char *addr;
- unsigned long size;
+ char *addr;
+ unsigned int size;
XDR xdrs;
nis_object *res = NULL;
diff --git a/nis/nis_clone_res.c b/nis/nis_clone_res.c
index 135f397911..021f7cb4f4 100644
--- a/nis/nis_clone_res.c
+++ b/nis/nis_clone_res.c
@@ -1,4 +1,4 @@
-/* Copyright (c) 1997, 1998 Free Software Foundation, Inc.
+/* Copyright (c) 1997, 1998, 2005, 2006 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Thorsten Kukuk <kukuk@vt.uni-paderborn.de>, 1997.
@@ -26,10 +26,9 @@
nis_result *
nis_clone_result (const nis_result *src, nis_result *dest)
{
- unsigned char *addr;
+ char *addr;
unsigned int size;
XDR xdrs;
- nis_result *res;
if (src == NULL)
return (NULL);
@@ -38,6 +37,16 @@ nis_clone_result (const nis_result *src, nis_result *dest)
if ((addr = calloc(1, size)) == NULL)
return NULL;
+ xdrmem_create (&xdrs, addr, size, XDR_ENCODE);
+ if (!_xdr_nis_result (&xdrs, (nis_result *)src))
+ {
+ xdr_destroy (&xdrs);
+ free (addr);
+ return NULL;
+ }
+ xdr_destroy (&xdrs);
+
+ nis_result *res;
if (dest == NULL)
{
if ((res = calloc (1, sizeof (nis_result))) == NULL)
@@ -49,18 +58,12 @@ nis_clone_result (const nis_result *src, nis_result *dest)
else
res = dest;
- xdrmem_create(&xdrs, addr, size, XDR_ENCODE);
- if (!_xdr_nis_result (&xdrs, (nis_result *)src))
- {
- xdr_destroy (&xdrs);
- free (addr);
- return NULL;
- }
- xdr_destroy (&xdrs);
- xdrmem_create(&xdrs, addr, size, XDR_DECODE);
- if (!_xdr_nis_result(&xdrs, res))
+ xdrmem_create (&xdrs, addr, size, XDR_DECODE);
+ if (!_xdr_nis_result (&xdrs, res))
{
xdr_destroy (&xdrs);
+ if (res != dest)
+ free (res);
free (addr);
return NULL;
}
diff --git a/nis/nis_creategroup.c b/nis/nis_creategroup.c
index 3786461d64..0e9e13d5e5 100644
--- a/nis/nis_creategroup.c
+++ b/nis/nis_creategroup.c
@@ -1,4 +1,4 @@
-/* Copyright (c) 1997, 1998, 1999, 2000 Free Software Foundation, Inc.
+/* Copyright (c) 1997, 1998, 1999, 2000, 2006 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Thorsten Kukuk <kukuk@suse.de>, 1997.
@@ -46,18 +46,24 @@ nis_creategroup (const_nis_name group, unsigned int flags)
else
return NIS_BADNAME;
- obj = malloc (sizeof (nis_object));
+ obj = calloc (1, sizeof (nis_object));
if (__builtin_expect (obj == NULL, 0))
return NIS_NOMEMORY;
obj->zo_oid.ctime = obj->zo_oid.mtime = time (NULL);
obj->zo_name = strdup (leafbuf);
- obj->zo_owner = strdup (__nis_default_owner (NULL));
- obj->zo_group = strdup (__nis_default_group (NULL));
+ obj->zo_owner = __nis_default_owner (NULL);
+ obj->zo_group = __nis_default_group (NULL);
obj->zo_domain = strdup (domainbuf);
if (obj->zo_name == NULL || obj->zo_owner == NULL
|| obj->zo_group == NULL || obj->zo_domain == NULL)
- return NIS_NOMEMORY;
+ {
+ free (obj->zo_group);
+ free (obj->zo_owner);
+ free (obj->zo_name);
+ free (obj);
+ return NIS_NOMEMORY;
+ }
obj->zo_access = __nis_default_access (NULL, 0);
obj->zo_ttl = 60 * 60;
obj->zo_data.zo_type = NIS_GROUP_OBJ;
@@ -66,11 +72,11 @@ nis_creategroup (const_nis_name group, unsigned int flags)
obj->zo_data.objdata_u.gr_data.gr_members.gr_members_val = NULL;
res = nis_add (buf, obj);
+ nis_free_object (obj);
if (res == NULL)
return NIS_NOMEMORY;
status = NIS_RES_STATUS (res);
nis_freeresult (res);
- nis_free_object (obj);
return status;
}
diff --git a/nis/nis_defaults.c b/nis/nis_defaults.c
index f13578635a..ed79b59ec6 100644
--- a/nis/nis_defaults.c
+++ b/nis/nis_defaults.c
@@ -1,4 +1,4 @@
-/* Copyright (c) 1997, 1998, 2004 Free Software Foundation, Inc.
+/* Copyright (c) 1997, 1998, 2004, 2006 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Thorsten Kukuk <kukuk@vt.uni-paderborn.de>, 1997.
@@ -17,6 +17,7 @@
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
+#include <assert.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
@@ -30,45 +31,36 @@
** Some functions for parsing the -D param and NIS_DEFAULTS Environ
*/
static nis_name
-searchgroup (char *str)
+searchXYX (char *str, const char *what)
{
- char *cptr;
- int i;
+ assert (strlen (what) == 6);
+ assert (strncmp (str, what, 6) == 0);
+ str += 6; /* Points to the begin of the parameters. */
+
+ int i = 0;
+ while (str[i] != '\0' && str[i] != ':')
+ ++i;
+ if (i == 0) /* only "<WHAT>=" ? */
+ return strdup ("");
- cptr = strstr (str, "group=");
- if (cptr == NULL)
- return NULL;
+ return strndup (str, i);
+}
- cptr += 6; /* points to the begin of the group string */
- i = 0;
- while (cptr[i] != '\0' && cptr[i] != ':')
- i++;
- if (i == 0) /* only "group=" ? */
- return (nis_name) "";
- return strndup (cptr, i);
+static nis_name
+searchgroup (char *str)
+{
+ return searchXYX (str, "group=");
}
+
static nis_name
searchowner (char *str)
{
- char *cptr;
- int i;
-
- cptr = strstr (str, "owner=");
- if (cptr == NULL)
- return NULL;
-
- cptr += 6; /* points to the begin of the owner string */
- i = 0;
- while (cptr[i] != '\0' && cptr[i] != ':')
- i++;
- if (i == 0) /* only "owner=" ? */
- return strdup ("");
-
- return strndup (cptr, i);
+ return searchXYX (str, "owner=");
}
+
static uint32_t
searchttl (char *str)
{
@@ -358,86 +350,61 @@ searchaccess (char *str, unsigned int access)
return result;
}
+
nis_name
__nis_default_owner (char *defaults)
{
- char default_owner[NIS_MAXNAMELEN + 1];
- char *cptr, *dptr;
+ char *default_owner = NULL;
- strcpy (default_owner, nis_local_principal ());
+ char *cptr = defaults;
+ if (cptr == NULL)
+ cptr = getenv ("NIS_DEFAULTS");
- if (defaults != NULL)
+ if (cptr != NULL)
{
- dptr = strstr (defaults, "owner=");
+ char *dptr = strstr (cptr, "owner=");
if (dptr != NULL)
{
- char *p = searchowner (defaults);
- if (strlen (p) <= NIS_MAXNAMELEN)
- strcpy (default_owner, p);
+ char *p = searchowner (dptr);
+ if (p == NULL)
+ return NULL;
+ default_owner = strdupa (p);
free (p);
}
}
- else
- {
- cptr = getenv ("NIS_DEFAULTS");
- if (cptr != NULL)
- {
- dptr = strstr (cptr, "owner=");
- if (dptr != NULL)
- {
- char *p = searchowner (cptr);
- if (strlen (p) <= NIS_MAXNAMELEN)
- strcpy (default_owner, p);
- free (p);
- }
- }
- }
- return strdup (default_owner);
+ return strdup (default_owner ?: nis_local_principal ());
}
libnsl_hidden_def (__nis_default_owner)
+
nis_name
__nis_default_group (char *defaults)
{
- char default_group[NIS_MAXNAMELEN + 1];
- char *cptr, *dptr;
+ char *default_group = NULL;
- strcpy (default_group, nis_local_group ());
+ char *cptr = defaults;
+ if (cptr == NULL)
+ cptr = getenv ("NIS_DEFAULTS");
- if (defaults != NULL)
+ if (cptr != NULL)
{
- dptr = strstr (defaults, "group=");
+ char *dptr = strstr (cptr, "group=");
if (dptr != NULL)
{
- char *p = searchgroup (defaults);
-
- if (strlen (p) <= NIS_MAXNAMELEN)
- strcpy (default_group, p);
+ char *p = searchgroup (dptr);
+ if (p == NULL)
+ return NULL;
+ default_group = strdupa (p);
free (p);
}
}
- else
- {
- cptr = getenv ("NIS_DEFAULTS");
- if (cptr != NULL)
- {
- dptr = strstr (cptr, "group=");
- if (dptr != NULL)
- {
- char *p = searchgroup (cptr);
-
- if (strlen (p) <= NIS_MAXNAMELEN)
- strcpy (default_group, p);
- free (p);
- }
- }
- }
- return strdup (default_group);
+ return strdup (default_group ?: nis_local_group ());
}
libnsl_hidden_def (__nis_default_group)
+
uint32_t
__nis_default_ttl (char *defaults)
{
@@ -480,7 +447,7 @@ __nis_default_access (char *param, unsigned int defaults)
{
cptr = getenv ("NIS_DEFAULTS");
if (cptr != NULL && strstr (cptr, "access=") != NULL)
- result = searchaccess (getenv ("NIS_DEFAULTS"), result);
+ result = searchaccess (cptr, result);
}
return result;
diff --git a/nis/nis_domain_of.c b/nis/nis_domain_of.c
index eca2066aa3..4d6b48640e 100644
--- a/nis/nis_domain_of.c
+++ b/nis/nis_domain_of.c
@@ -1,4 +1,4 @@
-/* Copyright (c) 1997 Free Software Foundation, Inc.
+/* Copyright (c) 1997, 2007 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Thorsten Kukuk <kukuk@vt.uni-paderborn.de>, 1997.
@@ -26,3 +26,17 @@ nis_domain_of (const_nis_name name)
return nis_domain_of_r (name, result, NIS_MAXNAMELEN);
}
+
+const_nis_name
+__nis_domain_of (const_nis_name name)
+{
+ const_nis_name cptr = strchr (name, '.');
+
+ if (cptr++ == NULL)
+ return "";
+
+ if (*cptr == '\0')
+ return ".";
+
+ return cptr;
+}
diff --git a/nis/nis_domain_of_r.c b/nis/nis_domain_of_r.c
index 1fedcfe074..e2db146038 100644
--- a/nis/nis_domain_of_r.c
+++ b/nis/nis_domain_of_r.c
@@ -1,4 +1,4 @@
-/* Copyright (c) 1997, 2004 Free Software Foundation, Inc.
+/* Copyright (c) 1997, 2004, 2006 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Thorsten Kukuk <kukuk@vt.uni-paderborn.de>, 1997.
@@ -29,6 +29,7 @@ nis_domain_of_r (const_nis_name name, char *buffer, size_t buflen)
if (buffer == NULL)
{
+ erange:
__set_errno (ERANGE);
return NULL;
}
@@ -44,7 +45,11 @@ nis_domain_of_r (const_nis_name name, char *buffer, size_t buflen)
cptr_len = strlen (cptr);
if (cptr_len == 0)
- return strcpy (buffer, ".");
+ {
+ if (buflen < 2)
+ goto erange;
+ return strcpy (buffer, ".");
+ }
if (__builtin_expect (cptr_len >= buflen, 0))
{
diff --git a/nis/nis_error.c b/nis/nis_error.c
index 147f88ce15..d92ad03604 100644
--- a/nis/nis_error.c
+++ b/nis/nis_error.c
@@ -1,4 +1,4 @@
-/* Copyright (c) 1997, 1998, 1999, 2004 Free Software Foundation, Inc.
+/* Copyright (c) 1997,1998,1999,2004,2005,2006 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Thorsten Kukuk <kukuk@vt.uni-paderborn.de>, 1997.
@@ -24,65 +24,41 @@
#include <rpcsvc/nis.h>
-static const char *nis_errlist[] =
+#define MF(line) MF1 (line)
+#define MF1(line) str##line
+static const union msgstr_t
{
- N_("Success"),
- N_("Probable success"),
- N_("Not found"),
- N_("Probably not found"),
- N_("Cache expired"),
- N_("NIS+ servers unreachable"),
- N_("Unknown object"),
- N_("Server busy, try again"),
- N_("Generic system error"),
- N_("First/next chain broken"),
- N_("Permission denied"),
- N_("Not owner"),
- N_("Name not served by this server"),
- N_("Server out of memory"),
- N_("Object with same name exists"),
- N_("Not master server for this domain"),
- N_("Invalid object for operation"),
- N_("Malformed name, or illegal name"),
- N_("Unable to create callback"),
- N_("Results sent to callback proc"),
- N_("Not found, no such name"),
- N_("Name/entry isn't unique"),
- N_("Modification failed"),
- N_("Database for table does not exist"),
- N_("Entry/table type mismatch"),
- N_("Link points to illegal name"),
- N_("Partial success"),
- N_("Too many attributes"),
- N_("Error in RPC subsystem"),
- N_("Missing or malformed attribute"),
- N_("Named object is not searchable"),
- N_("Error while talking to callback proc"),
- N_("Non NIS+ namespace encountered"),
- N_("Illegal object type for operation"),
- N_("Passed object is not the same object on server"),
- N_("Modify operation failed"),
- N_("Query illegal for named table"),
- N_("Attempt to remove a non-empty table"),
- N_("Error in accessing NIS+ cold start file. Is NIS+ installed?"),
- N_("Full resync required for directory"),
- N_("NIS+ operation failed"),
- N_("NIS+ service is unavailable or not installed"),
- N_("Yes, 42 is the meaning of life"),
- N_("Unable to authenticate NIS+ server"),
- N_("Unable to authenticate NIS+ client"),
- N_("No file space on server"),
- N_("Unable to create process on server"),
- N_("Master server busy, full dump rescheduled.")
-};
+ struct
+ {
+#define S(s) char MF(__LINE__)[sizeof (s)];
+#include "nis_error.h"
+#undef S
+ };
+ char str[0];
+} msgstr =
+ {
+ {
+#define S(s) s,
+#include "nis_error.h"
+#undef S
+ }
+ };
+
+static const unsigned short int msgidx[] =
+ {
+#define S(s) offsetof (union msgstr_t, MF (__LINE__)),
+#include "nis_error.h"
+#undef S
+ };
+
const char *
nis_sperrno (const nis_error status)
{
- if (status >= (sizeof (nis_errlist) / sizeof (nis_errlist[0])))
+ if (status >= sizeof (msgidx) / sizeof (msgidx[0]))
return "???";
else
- return gettext (nis_errlist[status]);
+ return gettext (msgstr.str + msgidx[status]);
}
libnsl_hidden_def (nis_sperrno)
@@ -102,26 +78,21 @@ char *
nis_sperror_r (const nis_error status, const char *label,
char *buffer, size_t buflen)
{
- const char *cptr;
-
- cptr = nis_sperrno (status);
-
- if ((strlen (cptr) + strlen (label) + 3) > buflen)
+ if (snprintf (buffer, buflen, "%s: %s", label, nis_sperrno (status))
+ >= buflen)
{
- errno = ERANGE;
+ __set_errno (ERANGE);
return NULL;
}
- sprintf (buffer, "%s: %s", label, cptr);
-
- return buffer;
+ return buffer;
}
libnsl_hidden_def (nis_sperror_r)
char *
nis_sperror (const nis_error status, const char *label)
{
- static char buffer[NIS_MAXNAMELEN +1];
+ static char buffer[NIS_MAXNAMELEN + 1];
return nis_sperror_r (status, label, buffer, sizeof (buffer));
}
diff --git a/nis/nis_error.h b/nis/nis_error.h
new file mode 100644
index 0000000000..add1316d9f
--- /dev/null
+++ b/nis/nis_error.h
@@ -0,0 +1,48 @@
+S(N_("Success"))
+S(N_("Probable success"))
+S(N_("Not found"))
+S(N_("Probably not found"))
+S(N_("Cache expired"))
+S(N_("NIS+ servers unreachable"))
+S(N_("Unknown object"))
+S(N_("Server busy, try again"))
+S(N_("Generic system error"))
+S(N_("First/next chain broken"))
+S(N_("Permission denied"))
+S(N_("Not owner"))
+S(N_("Name not served by this server"))
+S(N_("Server out of memory"))
+S(N_("Object with same name exists"))
+S(N_("Not master server for this domain"))
+S(N_("Invalid object for operation"))
+S(N_("Malformed name, or illegal name"))
+S(N_("Unable to create callback"))
+S(N_("Results sent to callback proc"))
+S(N_("Not found, no such name"))
+S(N_("Name/entry isn't unique"))
+S(N_("Modification failed"))
+S(N_("Database for table does not exist"))
+S(N_("Entry/table type mismatch"))
+S(N_("Link points to illegal name"))
+S(N_("Partial success"))
+S(N_("Too many attributes"))
+S(N_("Error in RPC subsystem"))
+S(N_("Missing or malformed attribute"))
+S(N_("Named object is not searchable"))
+S(N_("Error while talking to callback proc"))
+S(N_("Non NIS+ namespace encountered"))
+S(N_("Illegal object type for operation"))
+S(N_("Passed object is not the same object on server"))
+S(N_("Modify operation failed"))
+S(N_("Query illegal for named table"))
+S(N_("Attempt to remove a non-empty table"))
+S(N_("Error in accessing NIS+ cold start file. Is NIS+ installed?"))
+S(N_("Full resync required for directory"))
+S(N_("NIS+ operation failed"))
+S(N_("NIS+ service is unavailable or not installed"))
+S(N_("Yes, 42 is the meaning of life"))
+S(N_("Unable to authenticate NIS+ server"))
+S(N_("Unable to authenticate NIS+ client"))
+S(N_("No file space on server"))
+S(N_("Unable to create process on server"))
+S(N_("Master server busy, full dump rescheduled."))
diff --git a/nis/nis_file.c b/nis/nis_file.c
index 1f2295787c..566f30c48c 100644
--- a/nis/nis_file.c
+++ b/nis/nis_file.c
@@ -1,4 +1,4 @@
-/* Copyright (c) 1997, 1998, 1999, 2004 Free Software Foundation, Inc.
+/* Copyright (c) 1997, 1998, 1999, 2004, 2005 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Thorsten Kukuk <kukuk@suse.de>, 1997.
@@ -23,27 +23,30 @@
#include <rpcsvc/nis.h>
#include "nis_xdr.h"
-static const char cold_start_file[] = "/var/nis/NIS_COLD_START";
+typedef bool_t (*iofct_t) (XDR *, void *);
+typedef void (*freefct_t) (void *);
-directory_obj *
-readColdStartFile (void)
+
+static void *
+read_nis_obj (const char *name, iofct_t readfct, freefct_t freefct,
+ size_t objsize)
{
- FILE *in = fopen (cold_start_file, "rc");
+ FILE *in = fopen (name, "rc");
if (in == NULL)
return NULL;
- directory_obj *obj = calloc (1, sizeof (directory_obj));
+ void *obj = calloc (1, objsize);
if (obj != NULL)
{
XDR xdrs;
xdrstdio_create (&xdrs, in, XDR_DECODE);
- bool_t status = _xdr_directory_obj (&xdrs, obj);
+ bool_t status = readfct (&xdrs, obj);
xdr_destroy (&xdrs);
if (!status)
{
- nis_free_directory (obj);
+ freefct (obj);
obj = NULL;
}
}
@@ -52,75 +55,49 @@ readColdStartFile (void)
return obj;
}
-libnsl_hidden_def (readColdStartFile)
-bool_t
-writeColdStartFile (const directory_obj *obj)
+static bool_t
+write_nis_obj (const char *name, const void *obj, iofct_t writefct)
{
- XDR xdrs;
- FILE *out;
- bool_t status;
-
- out = fopen (cold_start_file, "wb");
+ FILE *out = fopen (name, "w");
if (out == NULL)
return FALSE;
+ XDR xdrs;
xdrstdio_create (&xdrs, out, XDR_ENCODE);
- status = _xdr_directory_obj (&xdrs, (directory_obj *) obj);
+ bool_t status = writefct (&xdrs, (void *) obj);
xdr_destroy (&xdrs);
fclose (out);
return status;
}
-nis_object *
-nis_read_obj (const char *name)
-{
- XDR xdrs;
- FILE *in;
- bool_t status;
- nis_object *obj;
- in = fopen (name, "rb");
- if (in == NULL)
- return NULL;
+static const char cold_start_file[] = "/var/nis/NIS_COLD_START";
- obj = calloc (1, sizeof (nis_object));
- if (obj == NULL)
- {
- fclose (in);
- return NULL;
- }
+directory_obj *
+readColdStartFile (void)
+{
+ return read_nis_obj (cold_start_file, (iofct_t) _xdr_directory_obj,
+ (freefct_t) nis_free_directory, sizeof (directory_obj));
+}
+libnsl_hidden_def (readColdStartFile)
- xdrstdio_create (&xdrs, in, XDR_DECODE);
- status =_xdr_nis_object (&xdrs, obj);
- xdr_destroy (&xdrs);
- fclose (in);
+bool_t
+writeColdStartFile (const directory_obj *obj)
+{
+ return write_nis_obj (cold_start_file, obj, (iofct_t) _xdr_directory_obj);
+}
- if (status)
- return obj;
- else
- {
- nis_free_object (obj);
- return NULL;
- }
+nis_object *
+nis_read_obj (const char *name)
+{
+ return read_nis_obj (name, (iofct_t) _xdr_nis_object,
+ (freefct_t) nis_free_object, sizeof (nis_object));
}
bool_t
nis_write_obj (const char *name, const nis_object *obj)
{
- XDR xdrs;
- FILE *out;
- bool_t status;
-
- out = fopen (name, "wb");
- if (out == NULL)
- return FALSE;
-
- xdrstdio_create (&xdrs, out, XDR_ENCODE);
- status = _xdr_nis_object (&xdrs, (nis_object *) obj);
- xdr_destroy (&xdrs);
- fclose (out);
-
- return status;
+ return write_nis_obj (name, obj, (iofct_t) _xdr_nis_object);
}
diff --git a/nis/nis_getservlist.c b/nis/nis_getservlist.c
index 315960c8e8..e57649d526 100644
--- a/nis/nis_getservlist.c
+++ b/nis/nis_getservlist.c
@@ -1,4 +1,4 @@
-/* Copyright (c) 1997, 1998, 1999, 2000 Free Software Foundation, Inc.
+/* Copyright (c) 1997, 1998, 1999, 2000, 2006 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Thorsten Kukuk <kukuk@vt.uni-paderborn.de>, 1997.
@@ -40,7 +40,10 @@ nis_getservlist (const_nis_name dir)
malloc (sizeof (nis_server *) *
(NIS_RES_OBJECT (res)->DI_data.do_servers.do_servers_len + 1));
if (__builtin_expect (serv == NULL, 0))
- return NULL;
+ {
+ nis_freeresult (res);
+ return NULL;
+ }
for (i = 0; i < NIS_RES_OBJECT (res)->DI_data.do_servers.do_servers_len;
++i)
@@ -49,13 +52,41 @@ nis_getservlist (const_nis_name dir)
&NIS_RES_OBJECT (res)->DI_data.do_servers.do_servers_val[i];
serv[i] = calloc (1, sizeof (nis_server));
if (__builtin_expect (serv[i] == NULL, 0))
- return NULL;
+ {
+ free_all:
+ while (i-- > 0)
+ {
+ free (serv[i]->pkey.n_bytes);
+ if (serv[i]->ep.ep_val != NULL)
+ {
+ unsigned long int j;
+ for (j = 0; j < serv[i]->ep.ep_len; ++j)
+ {
+ free (serv[i]->ep.ep_val[j].proto);
+ free (serv[i]->ep.ep_val[j].family);
+ free (serv[i]->ep.ep_val[j].uaddr);
+ }
+ free (serv[i]->ep.ep_val);
+ }
+ free (serv[i]->name);
+ free (serv[i]);
+ }
+
+ free (serv);
+
+ nis_freeresult (res);
+
+ return NULL;
+ }
if (server->name != NULL)
{
serv[i]->name = strdup (server->name);
if (__builtin_expect (serv[i]->name == NULL, 0))
- return NULL;
+ {
+ ++i;
+ goto free_all;
+ }
}
serv[i]->ep.ep_len = server->ep.ep_len;
@@ -66,7 +97,10 @@ nis_getservlist (const_nis_name dir)
serv[i]->ep.ep_val =
malloc (server->ep.ep_len * sizeof (endpoint));
if (__builtin_expect (serv[i]->ep.ep_val == NULL, 0))
- return NULL;
+ {
+ ++i;
+ goto free_all;
+ }
for (j = 0; j < serv[i]->ep.ep_len; ++j)
{
@@ -87,20 +121,20 @@ nis_getservlist (const_nis_name dir)
serv[i]->ep.ep_val[j].proto = NULL;
}
}
- else
- serv[i]->ep.ep_val = NULL;
+
serv[i]->key_type = server->key_type;
serv[i]->pkey.n_len = server->pkey.n_len;
if (server->pkey.n_len > 0)
{
serv[i]->pkey.n_bytes = malloc (server->pkey.n_len);
if (__builtin_expect (serv[i]->pkey.n_bytes == NULL, 0))
- return NULL;
+ {
+ ++i;
+ goto free_all;
+ }
memcpy (serv[i]->pkey.n_bytes, server->pkey.n_bytes,
server->pkey.n_len);
}
- else
- serv[i]->pkey.n_bytes = NULL;
}
serv[i] = NULL;
}
@@ -111,8 +145,7 @@ nis_getservlist (const_nis_name dir)
serv[0] = NULL;
}
- if (res != NULL)
- nis_freeresult (res);
+ nis_freeresult (res);
return serv;
}
diff --git a/nis/nis_intern.h b/nis/nis_intern.h
index 29a80a9188..c805920aec 100644
--- a/nis/nis_intern.h
+++ b/nis/nis_intern.h
@@ -1,4 +1,4 @@
-/* Copyright (c) 1997, 1998, 1999, 2000, 2001 Free Software Foundation, Inc.
+/* Copyright (c) 1997,1998,1999,2000,2001,2006 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Thorsten Kukuk <kukuk@suse.de>, 1997.
@@ -66,6 +66,7 @@ extern nis_error __do_niscall3 (dir_binding *dbp, u_long prog,
xdrproc_t xargs, caddr_t req,
xdrproc_t xres, caddr_t resp,
unsigned int flags, nis_cb *cb);
+libnsl_hidden_proto (__do_niscall3)
extern u_short __pmap_getnisport (struct sockaddr_in *address, u_long program,
u_long version, u_int protocol);
diff --git a/nis/nis_ismember.c b/nis/nis_ismember.c
index f3f9bc9540..178b4890ef 100644
--- a/nis/nis_ismember.c
+++ b/nis/nis_ismember.c
@@ -1,4 +1,4 @@
-/* Copyright (c) 1997, 1998, 1999 Free Software Foundation, Inc.
+/* Copyright (c) 1997, 1998, 1999, 2006 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Thorsten Kukuk <kukuk@suse.de>, 1997.
@@ -47,8 +47,7 @@ internal_ismember (const_nis_name principal, const_nis_name group)
res = nis_lookup (buf, EXPAND_NAME|FOLLOW_LINKS);
if (res == NULL || NIS_RES_STATUS (res) != NIS_SUCCESS)
{
- if (res)
- nis_freeresult (res);
+ nis_freeresult (res);
return 0;
}
diff --git a/nis/nis_local_names.c b/nis/nis_local_names.c
index 30fd208b75..e9aea12a86 100644
--- a/nis/nis_local_names.c
+++ b/nis/nis_local_names.c
@@ -1,4 +1,4 @@
-/* Copyright (c) 1997, 1998, 2004 Free Software Foundation, Inc.
+/* Copyright (c) 1997, 1998, 2004, 2006 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Thorsten Kukuk <kukuk@vt.uni-paderborn.de>, 1997.
@@ -63,7 +63,7 @@ nis_local_directory (void)
__nisdomainname[0] = '\0';
else
{
- char *cp = strchr (__nisdomainname, '\0');
+ char *cp = rawmemchr (__nisdomainname, '\0');
/* Missing trailing dot? */
if (cp[-1] != '.')
@@ -154,7 +154,7 @@ nis_local_host (void)
__nishostname[0] = '\0';
else
{
- char *cp = strchr (__nishostname, '\0');
+ char *cp = rawmemchr (__nishostname, '\0');
int len = cp - __nishostname;
/* Hostname already fully qualified? */
diff --git a/nis/nis_lookup.c b/nis/nis_lookup.c
index 0b97e67a61..9677b4d3d1 100644
--- a/nis/nis_lookup.c
+++ b/nis/nis_lookup.c
@@ -1,4 +1,5 @@
-/* Copyright (C) 1997, 1998, 1999, 2004 Free Software Foundation, Inc.
+/* Copyright (C) 1997-1999, 2004, 2005, 2006, 2007
+ Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Thorsten Kukuk <kukuk@uni-paderborn.de>, 1997.
@@ -21,6 +22,8 @@
#include <rpcsvc/nis.h>
#include "nis_xdr.h"
#include "nis_intern.h"
+#include <libnsl.h>
+
nis_result *
nis_lookup (const_nis_name name, const unsigned int flags)
@@ -61,36 +64,16 @@ nis_lookup (const_nis_name name, const unsigned int flags)
req.ns_object.ns_object_len = 0;
req.ns_object.ns_object_val = NULL;
- status = __nisfind_server (req.ns_name, &dir);
- if (status != NIS_SUCCESS)
+ status = __prepare_niscall (req.ns_name, &dir, &bptr, flags);
+ if (__builtin_expect (status != NIS_SUCCESS, 0))
{
NIS_RES_STATUS (res) = status;
- return res;
- }
-
- status = __nisbind_create (&bptr, dir->do_servers.do_servers_val,
- dir->do_servers.do_servers_len, flags);
- if (status != NIS_SUCCESS)
- {
- NIS_RES_STATUS (res) = status;
- nis_free_directory (dir);
- return res;
- }
-
- while (__nisbind_connect (&bptr) != NIS_SUCCESS)
- {
- if (__nisbind_next (&bptr) != NIS_SUCCESS)
- {
- __nisbind_destroy (&bptr);
- nis_free_directory (dir);
- NIS_RES_STATUS (res) = NIS_NAMEUNREACHABLE;
- return res;
- }
+ goto out;
}
do
{
- static struct timeval RPCTIMEOUT = {10, 0};
+ static const struct timeval RPCTIMEOUT = {10, 0};
enum clnt_stat result;
again:
@@ -107,11 +90,9 @@ nis_lookup (const_nis_name name, const unsigned int flags)
if (NIS_RES_STATUS (res) == NIS_SUCCESS)
{
- if (__type_of(NIS_RES_OBJECT (res)) == NIS_LINK_OBJ &&
- flags & FOLLOW_LINKS) /* We are following links */
+ if (__type_of (NIS_RES_OBJECT (res)) == NIS_LINK_OBJ
+ && (flags & FOLLOW_LINKS)) /* We are following links */
{
- if (count_links)
- free (req.ns_name);
/* if we hit the link limit, bail */
if (count_links > NIS_MAXLINKS)
{
@@ -120,55 +101,68 @@ nis_lookup (const_nis_name name, const unsigned int flags)
}
++count_links;
req.ns_name =
- strdup (NIS_RES_OBJECT (res)->LI_data.li_name);
- if (req.ns_name == NULL)
- return NULL;
+ strdupa (NIS_RES_OBJECT (res)->LI_data.li_name);
- nis_freeresult (res);
- res = calloc (1, sizeof (nis_result));
- if (res == NULL)
- {
- __nisbind_destroy (&bptr);
- return NULL;
- }
+ /* The following is a non-obvious optimization. A
+ nis_freeresult call would call xdr_free as the
+ following code. But it also would unnecessarily
+ free the result structure. We avoid this here
+ along with the necessary tests. */
+ xdr_free ((xdrproc_t) _xdr_nis_result, (char *) res);
+ memset (res, '\0', sizeof (*res));
link_first_try = 1; /* Try at first the old binding */
goto again;
}
}
else
- if ((NIS_RES_STATUS (res) == NIS_SYSTEMERROR) ||
- (NIS_RES_STATUS (res) == NIS_NOSUCHNAME) ||
- (NIS_RES_STATUS (res) == NIS_NOT_ME))
+ if (NIS_RES_STATUS (res) == NIS_SYSTEMERROR
+ || NIS_RES_STATUS (res) == NIS_NOSUCHNAME
+ || NIS_RES_STATUS (res) == NIS_NOT_ME)
{
if (link_first_try)
{
__nisbind_destroy (&bptr);
nis_free_directory (dir);
+ /* Otherwise __nisfind_server will not do anything. */
+ dir = NULL;
- if (__nisfind_server (req.ns_name, &dir) != NIS_SUCCESS)
- return res;
-
- if (__nisbind_create (&bptr,
- dir->do_servers.do_servers_val,
- dir->do_servers.do_servers_len,
- flags) != NIS_SUCCESS)
- {
- nis_free_directory (dir);
- return res;
- }
+ if (__nisfind_server (req.ns_name, 1, &dir, &bptr,
+ flags & ~MASTER_ONLY)
+ != NIS_SUCCESS)
+ goto out;
}
else
if (__nisbind_next (&bptr) != NIS_SUCCESS)
- break; /* No more servers to search */
+ {
+ /* No more servers to search. Try parent. */
+ const char *ndomain = __nis_domain_of (req.ns_name);
+ req.ns_name = strdupa (ndomain);
+ if (strcmp (req.ns_name, ".") == 0)
+ {
+ NIS_RES_STATUS (res) = NIS_NAMEUNREACHABLE;
+ goto out;
+ }
+
+ __nisbind_destroy (&bptr);
+ nis_free_directory (dir);
+ dir = NULL;
+ status = __prepare_niscall (req.ns_name, &dir,
+ &bptr, flags);
+ if (__builtin_expect (status != NIS_SUCCESS, 0))
+ {
+ NIS_RES_STATUS (res) = status;
+ goto out;
+ }
+ goto again;
+ }
while (__nisbind_connect (&bptr) != NIS_SUCCESS)
{
if (__nisbind_next (&bptr) != NIS_SUCCESS)
{
- __nisbind_destroy (&bptr);
nis_free_directory (dir);
- return res;
+ goto out;
}
}
goto again;
@@ -185,7 +179,7 @@ nis_lookup (const_nis_name name, const unsigned int flags)
if (status != NIS_SUCCESS)
{
NIS_RES_STATUS (res) = status;
- return res;
+ goto out;
}
switch (NIS_RES_STATUS (res))
@@ -217,6 +211,7 @@ nis_lookup (const_nis_name name, const unsigned int flags)
}
}
+ out:
if (names != namebuf)
nis_freenames (names);
diff --git a/nis/nis_ping.c b/nis/nis_ping.c
index d9924f9279..81afc5e8e3 100644
--- a/nis/nis_ping.c
+++ b/nis/nis_ping.c
@@ -1,4 +1,4 @@
-/* Copyright (c) 1997, 1998, 1999 Free Software Foundation, Inc.
+/* Copyright (c) 1997, 1998, 1999, 2006 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Thorsten Kukuk <kukuk@suse.de>, 1997.
@@ -39,8 +39,7 @@ nis_ping (const_nis_name dirname, unsigned int utime,
res = nis_lookup (dirname, MASTER_ONLY);
if (res == NULL || NIS_RES_STATUS (res) != NIS_SUCCESS)
{
- if (res)
- nis_freeresult (res);
+ nis_freeresult (res);
return;
}
obj = res->objects.objects_val;
@@ -51,8 +50,7 @@ nis_ping (const_nis_name dirname, unsigned int utime,
/* Check if obj is really a diryectory object */
if (__type_of (obj) != NIS_DIRECTORY_OBJ)
{
- if (res != NULL)
- nis_freeresult (res);
+ nis_freeresult (res);
return;
}
@@ -68,6 +66,5 @@ nis_ping (const_nis_name dirname, unsigned int utime,
NIS_PING, (xdrproc_t) _xdr_ping_args,
(caddr_t) &args, (xdrproc_t) xdr_void,
(caddr_t) NULL, 0, NULL);
- if (res)
- nis_freeresult (res);
+ nis_freeresult (res);
}
diff --git a/nis/nis_print_group_entry.c b/nis/nis_print_group_entry.c
index 6f0ba8fbd4..91e6399b90 100644
--- a/nis/nis_print_group_entry.c
+++ b/nis/nis_print_group_entry.c
@@ -1,4 +1,4 @@
-/* Copyright (c) 1997, 1998, 2000, 2004 Free Software Foundation, Inc.
+/* Copyright (c) 1997, 1998, 2000, 2004, 2006 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Thorsten Kukuk <kukuk@vt.uni-paderborn.de>, 1997.
@@ -45,12 +45,16 @@ nis_print_group_entry (const_nis_name group)
}
res = nis_lookup (buf, FOLLOW_LINKS | EXPAND_NAME);
- if (NIS_RES_STATUS(res) != NIS_SUCCESS)
+ if (res == NULL)
return;
- if ((NIS_RES_NUMOBJ (res) != 1) ||
- (__type_of (NIS_RES_OBJECT (res)) != NIS_GROUP_OBJ))
- return;
+ if (NIS_RES_STATUS (res) != NIS_SUCCESS
+ || NIS_RES_NUMOBJ (res) != 1
+ || __type_of (NIS_RES_OBJECT (res)) != NIS_GROUP_OBJ)
+ {
+ nis_freeresult (res);
+ return;
+ }
char *mem_exp[NIS_RES_NUMOBJ (res)];
char *mem_imp[NIS_RES_NUMOBJ (res)];
diff --git a/nis/nis_removemember.c b/nis/nis_removemember.c
index b9e27ab48c..2e45b4fb79 100644
--- a/nis/nis_removemember.c
+++ b/nis/nis_removemember.c
@@ -1,4 +1,4 @@
-/* Copyright (c) 1997, 1998, 1999, 2004 Free Software Foundation, Inc.
+/* Copyright (c) 1997,1998,1999,2004,2005,2006 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Thorsten Kukuk <kukuk@vt.uni-paderborn.de>, 1997.
@@ -28,15 +28,12 @@ nis_removemember (const_nis_name member, const_nis_name group)
{
size_t grouplen = strlen (group);
char buf[grouplen + 14 + NIS_MAXNAMELEN];
- char leafbuf[grouplen + 2];
char domainbuf[grouplen + 2];
- nis_name *newmem;
nis_result *res, *res2;
nis_error status;
char *cp, *cp2;
- unsigned long int i, j, k;
- cp = stpcpy (buf, nis_leaf_of_r (group, leafbuf, sizeof (leafbuf) - 1));
+ cp = rawmemchr (nis_leaf_of_r (group, buf, sizeof (buf) - 1), '\0');
cp = stpcpy (cp, ".groups_dir");
cp2 = nis_domain_of_r (group, domainbuf, sizeof (domainbuf) - 1);
if (cp2 != NULL && cp2[0] != '\0')
@@ -44,60 +41,41 @@ nis_removemember (const_nis_name member, const_nis_name group)
cp = stpcpy (cp, ".");
stpcpy (cp, cp2);
}
- res = nis_lookup (buf, FOLLOW_LINKS|EXPAND_NAME);
- if (res == NULL || NIS_RES_STATUS (res) != NIS_SUCCESS)
+ res = nis_lookup (buf, FOLLOW_LINKS | EXPAND_NAME);
+ if (res == NULL)
+ return NIS_NOMEMORY;
+ if (NIS_RES_STATUS (res) != NIS_SUCCESS)
{
- if (res)
- {
- status = NIS_RES_STATUS (res);
- nis_freeresult (res);
- }
- else
- return NIS_NOMEMORY;
+ status = NIS_RES_STATUS (res);
+ nis_freeresult (res);
return status;
}
- if ((res->objects.objects_len != 1) ||
- (__type_of (NIS_RES_OBJECT (res)) != NIS_GROUP_OBJ))
+ if (NIS_RES_NUMOBJ (res) != 1
+ || __type_of (NIS_RES_OBJECT (res)) != NIS_GROUP_OBJ)
{
nis_freeresult (res);
return NIS_INVALIDOBJ;
}
- newmem =
- calloc (NIS_RES_OBJECT(res)->GR_data.gr_members.gr_members_len,
- sizeof (char *));
- if (newmem == NULL)
- return NIS_NOMEMORY;
+ nis_name *gr_members_val
+ = NIS_RES_OBJECT(res)->GR_data.gr_members.gr_members_val;
+ u_int gr_members_len
+ = NIS_RES_OBJECT(res)->GR_data.gr_members.gr_members_len;
- k = NIS_RES_OBJECT (res)[0].GR_data.gr_members.gr_members_len;
- j = 0;
- for (i = 0; i < NIS_RES_OBJECT(res)->GR_data.gr_members.gr_members_len;
- ++i)
- {
- if (strcmp (NIS_RES_OBJECT(res)->GR_data.gr_members.gr_members_val[i],
- member) != 0)
- {
- newmem[j] = NIS_RES_OBJECT(res)->GR_data.gr_members.gr_members_val[i];
- ++j;
- }
- else
- {
- free (NIS_RES_OBJECT(res)->GR_data.gr_members.gr_members_val[i]);
- --k;
- }
- }
- free (NIS_RES_OBJECT (res)->GR_data.gr_members.gr_members_val);
- assert (k <= NIS_RES_OBJECT(res)->GR_data.gr_members.gr_members_len);
- /* This realloc() call always decreases the size. This cannot
- fail. We still have the test but do not recover memory
- (i.e., we overwrite the input pointer). */
- newmem = realloc (newmem, k * sizeof (char*));
- if (newmem == NULL)
- return NIS_NOMEMORY;
+ u_int j = 0;
+ for (u_int i = 0; i < gr_members_len; ++i)
+ if (strcmp (gr_members_val[i], member) != 0)
+ gr_members_val[j++] = gr_members_val[i];
+ else
+ free (gr_members_val[i]);
- NIS_RES_OBJECT (res)->GR_data.gr_members.gr_members_val = newmem;
- NIS_RES_OBJECT (res)->GR_data.gr_members.gr_members_len = k;
+ /* There is no need to reallocate the gr_members_val array. We
+ just adjust the size to match the number of strings still in
+ it. Yes, xdr_array will use mem_free with a size parameter
+ but this is mapped to a simple free call which determines the
+ size of the block by itself. */
+ NIS_RES_OBJECT (res)->GR_data.gr_members.gr_members_len = j;
cp = stpcpy (buf, NIS_RES_OBJECT (res)->zo_name);
*cp++ = '.';
diff --git a/nis/nis_subr.c b/nis/nis_subr.c
index 4c4ef8b5b4..c68189e541 100644
--- a/nis/nis_subr.c
+++ b/nis/nis_subr.c
@@ -1,4 +1,4 @@
-/* Copyright (c) 1997, 1999, 2000, 2004 Free Software Foundation, Inc.
+/* Copyright (c) 1997,1999,2000,2004,2005,2006 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Thorsten Kukuk <kukuk@vt.uni-paderborn.de>, 1997.
@@ -39,22 +39,13 @@ nis_leaf_of_r (const_nis_name name, char *buffer, size_t buflen)
while (name[i] != '.' && name[i] != '\0')
i++;
- if (i > buflen - 1)
+ if (__builtin_expect (i >= buflen, 0))
{
__set_errno (ERANGE);
return NULL;
}
- if (i > 0)
- {
- if ((size_t)i >= buflen)
- {
- __set_errno (ERANGE);
- return NULL;
- }
-
- *((char *) __mempcpy (buffer, name, i)) = '\0';
- }
+ *((char *) __mempcpy (buffer, name, i)) = '\0';
return buffer;
}
@@ -98,13 +89,12 @@ nis_name_of_r (const_nis_name name, char *buffer, size_t buflen)
}
libnsl_hidden_def (nis_name_of_r)
-static int
+static int __always_inline
count_dots (const_nis_name str)
{
int count = 0;
- size_t l = strlen (str);
- for (size_t i = 0; i < l; ++i)
+ for (size_t i = 0; str[i] != '\0'; ++i)
if (str[i] == '.')
++count;
@@ -117,25 +107,23 @@ count_dots (const_nis_name str)
nis_name *
nis_getnames (const_nis_name name)
{
- nis_name *getnames = NULL;
- char local_domain[NIS_MAXNAMELEN + 1];
+ const char *local_domain = nis_local_directory ();
+ size_t local_domain_len = strlen (local_domain);
+ size_t name_len = strlen (name);
char *path;
- char *cp;
- int count;
int pos = 0;
- int have_point;
char *saveptr;
+ int have_point;
+ const char *cp;
+ const char *cp2;
- strncpy (local_domain, nis_local_directory (), NIS_MAXNAMELEN);
- local_domain[NIS_MAXNAMELEN] = '\0';
-
- count = 1;
- getnames = malloc ((count + 1) * sizeof (char *));
+ int count = 2;
+ nis_name *getnames = malloc ((count + 1) * sizeof (char *));
if (__builtin_expect (getnames == NULL, 0))
return NULL;
/* Do we have a fully qualified NIS+ name ? If yes, give it back */
- if (name[strlen (name) - 1] == '.')
+ if (name[name_len - 1] == '.')
{
if ((getnames[0] = strdup (name)) == NULL)
{
@@ -151,6 +139,44 @@ nis_getnames (const_nis_name name)
return getnames;
}
+ /* If the passed NAME is shared a suffix (the latter of course with
+ a final dot) with each other we pass back NAME with a final
+ dot. */
+ if (local_domain_len > 2)
+ {
+ have_point = 0;
+ cp = &local_domain[local_domain_len - 2];
+ cp2 = &name[name_len - 1];
+
+ while (*cp == *cp2)
+ {
+ if (*cp == '.')
+ have_point = 1;
+ --cp;
+ --cp2;
+ if (cp < local_domain)
+ {
+ have_point = cp2 < name || *cp2 == '.';
+ break;
+ }
+ if (cp2 < name)
+ {
+ have_point = *cp == '.';
+ break;
+ }
+ }
+
+ if (have_point)
+ {
+ getnames[0] = malloc (name_len + 2);
+ if (getnames[0] == NULL)
+ goto free_null;
+
+ strcpy (stpcpy (getnames[0], name), ".");
+ ++pos;
+ }
+ }
+
/* Get the search path, where we have to search "name" */
path = getenv ("NIS_PATH");
if (path == NULL)
@@ -158,17 +184,17 @@ nis_getnames (const_nis_name name)
else
path = strdupa (path);
- have_point = (strchr (name, '.') != NULL);
+ have_point = strchr (name, '.') != NULL;
cp = __strtok_r (path, ":", &saveptr);
while (cp)
{
if (strcmp (cp, "$") == 0)
{
- char *cptr = local_domain;
+ const char *cptr = local_domain;
char *tmp;
- while ((have_point && *cptr != '\0') || (count_dots (cptr) >= 2))
+ while (*cptr != '\0' && count_dots (cptr) >= 2)
{
if (pos >= count)
{
@@ -179,8 +205,7 @@ nis_getnames (const_nis_name name)
goto free_null;
getnames = newp;
}
- tmp = malloc (strlen (cptr) + strlen (local_domain) +
- strlen (name) + 2);
+ tmp = malloc (strlen (cptr) + local_domain_len + name_len + 2);
if (__builtin_expect (tmp == NULL, 0))
goto free_null;
@@ -210,7 +235,7 @@ nis_getnames (const_nis_name name)
{
char *p;
- tmp = malloc (cplen + strlen (local_domain) + strlen (name) + 2);
+ tmp = malloc (cplen + local_domain_len + name_len + 2);
if (__builtin_expect (tmp == NULL, 0))
goto free_null;
@@ -226,13 +251,16 @@ nis_getnames (const_nis_name name)
{
char *p;
- tmp = malloc (cplen + strlen (name) + 2);
+ tmp = malloc (cplen + name_len + 3);
if (__builtin_expect (tmp == NULL, 0))
goto free_null;
- p = __stpcpy (tmp, name);
+ p = __mempcpy (tmp, name, name_len);
*p++ = '.';
- memcpy (p, cp, cplen + 1);
+ p = __mempcpy (p, cp, cplen);
+ if (p[-1] != '.')
+ *p++ = '.';
+ *p = '\0';
}
if (pos >= count)
@@ -250,6 +278,13 @@ nis_getnames (const_nis_name name)
cp = __strtok_r (NULL, ":", &saveptr);
}
+ if (pos == 0
+ && __asprintf (&getnames[pos++], "%s%s%s%s",
+ name, name[name_len - 1] == '.' ? "" : ".",
+ local_domain,
+ local_domain[local_domain_len - 1] == '.' ? "" : ".") < 0)
+ goto free_null;
+
getnames[pos] = NULL;
return getnames;
diff --git a/nis/nis_table.c b/nis/nis_table.c
index 13acdfdf50..70b4701419 100644
--- a/nis/nis_table.c
+++ b/nis/nis_table.c
@@ -1,4 +1,5 @@
-/* Copyright (c) 1997, 1998, 1999, 2003, 2004 Free Software Foundation, Inc.
+/* Copyright (c) 1997-1999, 2003, 2004, 2005, 2006, 2007
+ Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Thorsten Kukuk <kukuk@suse.de>, 1997.
@@ -17,21 +18,21 @@
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
+#include <assert.h>
#include <string.h>
#include <rpcsvc/nis.h>
#include "nis_xdr.h"
#include "nis_intern.h"
+#include "libnsl.h"
-static struct ib_request *
+struct ib_request *
__create_ib_request (const_nis_name name, unsigned int flags)
{
- struct ib_request *ibreq = calloc (1, sizeof (ib_request));
- char buf[strlen (name) + 1];
+ struct ib_request *ibreq = calloc (1, sizeof (struct ib_request));
nis_attr *search_val = NULL;
size_t search_len = 0;
- char *cptr;
size_t size = 0;
if (ibreq == NULL)
@@ -39,18 +40,26 @@ __create_ib_request (const_nis_name name, unsigned int flags)
ibreq->ibr_flags = flags;
- cptr = strcpy (buf, name);
+ char *cptr = strdupa (name);
/* Not of "[key=value,key=value,...],foo.." format? */
if (cptr[0] != '[')
- return (ibreq->ibr_name = strdup (cptr)) == NULL ? NULL : ibreq;
+ {
+ ibreq->ibr_name = strdup (cptr);
+ if (ibreq->ibr_name == NULL)
+ {
+ free (ibreq);
+ return NULL;
+ }
+ return ibreq;
+ }
/* "[key=value,...],foo" format */
ibreq->ibr_name = strchr (cptr, ']');
if (ibreq->ibr_name == NULL || ibreq->ibr_name[1] != ',')
{
- ibreq->ibr_name = NULL; /* Or the xdr_* functions will dump */
- nis_free_request (ibreq);
+ /* The object has not really been built yet so we use free. */
+ free (ibreq);
return NULL;
}
@@ -85,21 +94,22 @@ __create_ib_request (const_nis_name name, unsigned int flags)
if (cptr != NULL)
*cptr++ = '\0';
- if (!val)
+ if (__builtin_expect (val == NULL, 0))
{
nis_free_request (ibreq);
return NULL;
}
*val++ = '\0';
- if ((search_len + 1) >= size)
+ if (search_len + 1 >= size)
{
size += 1;
- search_val = realloc (search_val, size * sizeof (nis_attr));
- if (search_val == NULL)
+ nis_attr *newp = realloc (search_val, size * sizeof (nis_attr));
+ if (newp == NULL)
goto free_null;
+ search_val = newp;
}
search_val[search_len].zattr_ndx = strdup (key);
- if ((search_val[search_len].zattr_ndx) == NULL)
+ if (search_val[search_len].zattr_ndx == NULL)
goto free_null;
search_val[search_len].zattr_val.zattr_val_len = strlen (val) + 1;
@@ -118,18 +128,18 @@ __create_ib_request (const_nis_name name, unsigned int flags)
return ibreq;
}
+libnsl_hidden_def (__create_ib_request)
-static struct timeval RPCTIMEOUT = {10, 0};
+static const struct timeval RPCTIMEOUT = {10, 0};
static char *
-__get_tablepath (char *name, dir_binding *bptr)
+get_tablepath (char *name, dir_binding *bptr)
{
enum clnt_stat result;
- nis_result *res = calloc (1, sizeof (nis_result));
+ nis_result res;
struct ns_request req;
- if (res == NULL)
- return NULL;
+ memset (&res, '\0', sizeof (res));
req.ns_name = name;
req.ns_object.ns_object_len = 0;
@@ -137,21 +147,54 @@ __get_tablepath (char *name, dir_binding *bptr)
result = clnt_call (bptr->clnt, NIS_LOOKUP, (xdrproc_t) _xdr_ns_request,
(caddr_t) &req, (xdrproc_t) _xdr_nis_result,
- (caddr_t) res, RPCTIMEOUT);
+ (caddr_t) &res, RPCTIMEOUT);
- if (result == RPC_SUCCESS && NIS_RES_STATUS (res) == NIS_SUCCESS &&
- __type_of (NIS_RES_OBJECT (res)) == NIS_TABLE_OBJ)
- {
- char *cptr = strdup (NIS_RES_OBJECT (res)->TA_data.ta_path);
- nis_freeresult (res);
- return cptr;
- }
+ const char *cptr;
+ if (result == RPC_SUCCESS && NIS_RES_STATUS (&res) == NIS_SUCCESS
+ && __type_of (NIS_RES_OBJECT (&res)) == NIS_TABLE_OBJ)
+ cptr = NIS_RES_OBJECT (&res)->TA_data.ta_path;
else
+ cptr = "";
+
+ char *str = strdup (cptr);
+
+ if (result == RPC_SUCCESS)
+ xdr_free ((xdrproc_t) _xdr_nis_result, (char *) &res);
+
+ return str;
+}
+
+
+nis_error
+__follow_path (char **tablepath, char **tableptr, struct ib_request *ibreq,
+ dir_binding *bptr)
+{
+ if (*tablepath == NULL)
{
- nis_freeresult (res);
- return strdup ("");
+ *tablepath = get_tablepath (ibreq->ibr_name, bptr);
+ if (*tablepath == NULL)
+ return NIS_NOMEMORY;
+
+ *tableptr = *tablepath;
}
+ if (*tableptr == NULL)
+ return NIS_NOTFOUND;
+
+ char *newname = strsep (tableptr, ":");
+ if (newname[0] == '\0')
+ return NIS_NOTFOUND;
+
+ newname = strdup (newname);
+ if (newname == NULL)
+ return NIS_NOMEMORY;
+
+ free (ibreq->ibr_name);
+ ibreq->ibr_name = newname;
+
+ return NIS_SUCCESS;
}
+libnsl_hidden_def (__follow_path)
+
nis_result *
nis_list (const_nis_name name, unsigned int flags,
@@ -160,7 +203,7 @@ nis_list (const_nis_name name, unsigned int flags,
const void *userdata),
const void *userdata)
{
- nis_result *res = calloc (1, sizeof (nis_result));
+ nis_result *res = malloc (sizeof (nis_result));
ib_request *ibreq;
int status;
enum clnt_stat clnt_status;
@@ -170,23 +213,29 @@ nis_list (const_nis_name name, unsigned int flags,
nis_name namebuf[2] = {NULL, NULL};
int name_nr = 0;
nis_cb *cb = NULL;
- char *tableptr, *tablepath = NULL;
- int have_tablepath = 0;
+ char *tableptr;
+ char *tablepath = NULL;
int first_try = 0; /* Do we try the old binding at first ? */
+ nis_result *allres = NULL;
if (res == NULL)
return NULL;
if (name == NULL)
{
- NIS_RES_STATUS (res) = NIS_BADNAME;
+ status = NIS_BADNAME;
+ err_out:
+ nis_freeresult (allres);
+ memset (res, '\0', sizeof (nis_result));
+ NIS_RES_STATUS (res) = status;
return res;
}
- if ((ibreq = __create_ib_request (name, flags)) == NULL)
+ ibreq = __create_ib_request (name, flags);
+ if (ibreq == NULL)
{
- NIS_RES_STATUS (res) = NIS_BADNAME;
- return res;
+ status = NIS_BADNAME;
+ goto err_out;
}
if ((flags & EXPAND_NAME)
@@ -198,15 +247,16 @@ nis_list (const_nis_name name, unsigned int flags,
if (names == NULL)
{
nis_free_request (ibreq);
- NIS_RES_STATUS (res) = NIS_BADNAME;
- return res;
+ status = NIS_BADNAME;
+ goto err_out;
}
ibreq->ibr_name = strdup (names[name_nr]);
if (ibreq->ibr_name == NULL)
{
+ nis_freenames (names);
nis_free_request (ibreq);
- NIS_RES_STATUS (res) = NIS_NOMEMORY;
- return res;
+ status = NIS_NOMEMORY;
+ goto err_out;
}
}
else
@@ -224,36 +274,25 @@ nis_list (const_nis_name name, unsigned int flags,
memset (res, '\0', sizeof (nis_result));
- status = __nisfind_server (ibreq->ibr_name, &dir);
+ status = __nisfind_server (ibreq->ibr_name,
+ ibreq->ibr_srch.ibr_srch_val != NULL,
+ &dir, &bptr, flags & ~MASTER_ONLY);
if (status != NIS_SUCCESS)
- {
- nis_free_request (ibreq);
- NIS_RES_STATUS (res) = status;
- return res;
- }
-
- status = __nisbind_create (&bptr, dir->do_servers.do_servers_val,
- dir->do_servers.do_servers_len, flags);
- if (status != NIS_SUCCESS)
- {
- nis_free_request (ibreq);
+ {
NIS_RES_STATUS (res) = status;
- nis_free_directory (dir);
- return res;
- }
+ goto fail3;
+ }
while (__nisbind_connect (&bptr) != NIS_SUCCESS)
- if (__nisbind_next (&bptr) != NIS_SUCCESS)
+ if (__builtin_expect (__nisbind_next (&bptr) != NIS_SUCCESS, 0))
{
- __nisbind_destroy (&bptr);
- nis_free_directory (dir);
- nis_free_request (ibreq);
NIS_RES_STATUS (res) = NIS_NAMEUNREACHABLE;
- return res;
+ goto fail;
}
if (callback != NULL)
{
+ assert (cb == NULL);
cb = __nis_create_callback (callback, userdata, flags);
ibreq->ibr_cbhost.ibr_cbhost_len = 1;
ibreq->ibr_cbhost.ibr_cbhost_val = cb->serv;
@@ -265,7 +304,7 @@ nis_list (const_nis_name name, unsigned int flags,
(xdrproc_t) _xdr_nis_result,
(caddr_t) res, RPCTIMEOUT);
- if (clnt_status != RPC_SUCCESS)
+ if (__builtin_expect (clnt_status != RPC_SUCCESS, 0))
NIS_RES_STATUS (res) = NIS_RPCERROR;
else
switch (NIS_RES_STATUS (res))
@@ -273,13 +312,13 @@ nis_list (const_nis_name name, unsigned int flags,
case NIS_PARTIAL:
case NIS_SUCCESS:
case NIS_S_SUCCESS:
- if (__type_of (NIS_RES_OBJECT (res)) == NIS_LINK_OBJ &&
- flags & FOLLOW_LINKS) /* We are following links. */
+ if (__type_of (NIS_RES_OBJECT (res)) == NIS_LINK_OBJ
+ && (flags & FOLLOW_LINKS)) /* We are following links. */
{
free (ibreq->ibr_name);
ibreq->ibr_name = NULL;
/* If we hit the link limit, bail. */
- if (count_links > NIS_MAXLINKS)
+ if (__builtin_expect (count_links > NIS_MAXLINKS, 0))
{
NIS_RES_STATUS (res) = NIS_LINKNAMEERROR;
++done;
@@ -290,8 +329,22 @@ nis_list (const_nis_name name, unsigned int flags,
strdup (NIS_RES_OBJECT (res)->LI_data.li_name);
if (ibreq->ibr_name == NULL)
{
- nis_free_request (ibreq);
NIS_RES_STATUS (res) = NIS_NOMEMORY;
+ fail:
+ __nisbind_destroy (&bptr);
+ nis_free_directory (dir);
+ fail3:
+ free (tablepath);
+ if (cb)
+ {
+ __nis_destroy_callback (cb);
+ ibreq->ibr_cbhost.ibr_cbhost_len = 0;
+ ibreq->ibr_cbhost.ibr_cbhost_val = NULL;
+ }
+ if (names != namebuf)
+ nis_freenames (names);
+ nis_free_request (ibreq);
+ nis_freeresult (allres);
return res;
}
if (NIS_RES_OBJECT (res)->LI_data.li_attrs.li_attrs_len)
@@ -302,63 +355,88 @@ nis_list (const_nis_name name, unsigned int flags,
ibreq->ibr_srch.ibr_srch_val =
NIS_RES_OBJECT (res)->LI_data.li_attrs.li_attrs_val;
}
- nis_freeresult (res);
- res = calloc (1, sizeof (nis_result));
- if (res == NULL)
- {
- if (have_tablepath)
- free (tablepath);
- __nisbind_destroy (&bptr);
- nis_free_directory (dir);
- return NULL;
- }
+ /* The following is a non-obvious optimization. A
+ nis_freeresult call would call xdr_free as the
+ following code. But it also would unnecessarily
+ free the result structure. We avoid this here
+ along with the necessary tests. */
+ xdr_free ((xdrproc_t) _xdr_nis_result, (char *)res);
+ memset (res, '\0', sizeof (*res));
first_try = 1; /* Try at first the old binding */
goto again;
}
- else if ((flags & FOLLOW_PATH) &&
- NIS_RES_STATUS (res) == NIS_PARTIAL)
+ else if ((flags & FOLLOW_PATH)
+ && NIS_RES_STATUS (res) == NIS_PARTIAL)
{
- if (!have_tablepath)
+ clnt_status = __follow_path (&tablepath, &tableptr, ibreq,
+ &bptr);
+ if (clnt_status != NIS_SUCCESS)
{
- tablepath = __get_tablepath (ibreq->ibr_name, &bptr);
- tableptr = tablepath;
- have_tablepath = 1;
+ NIS_RES_STATUS (res) = clnt_status;
+ ++done;
}
- if (tableptr == NULL)
+ else
{
- ++done;
- break;
+ /* The following is a non-obvious optimization. A
+ nis_freeresult call would call xdr_free as the
+ following code. But it also would unnecessarily
+ free the result structure. We avoid this here
+ along with the necessary tests. */
+ xdr_free ((xdrproc_t) _xdr_nis_result, (char *) res);
+ memset (res, '\0', sizeof (*res));
+ first_try = 1;
+ goto again;
}
- free (ibreq->ibr_name);
- ibreq->ibr_name = strsep (&tableptr, ":");
- if (ibreq->ibr_name == NULL || ibreq->ibr_name[0] == '\0')
+ }
+ else if ((flags & (FOLLOW_PATH | ALL_RESULTS))
+ == (FOLLOW_PATH | ALL_RESULTS))
+ {
+ if (allres == NULL)
{
- ibreq->ibr_name = strdup ("");
- if (ibreq->ibr_name == NULL)
+ allres = res;
+ res = malloc (sizeof (nis_result));
+ if (res == NULL)
{
- nis_free_request (ibreq);
+ res = allres;
+ allres = NULL;
NIS_RES_STATUS (res) = NIS_NOMEMORY;
- return res;
+ goto fail;
}
- ++done;
+ NIS_RES_STATUS (res) = NIS_RES_STATUS (allres);
}
else
{
- ibreq->ibr_name = strdup (ibreq->ibr_name);
- nis_freeresult (res);
- res = calloc (1, sizeof (nis_result));
- if (res == NULL || ibreq->ibr_name == NULL)
+ nis_object *objects_val
+ = realloc (NIS_RES_OBJECT (allres),
+ (NIS_RES_NUMOBJ (allres)
+ + NIS_RES_NUMOBJ (res))
+ * sizeof (nis_object));
+ if (objects_val == NULL)
{
- free (res);
- nis_free_request (ibreq);
- if (have_tablepath)
- free (tablepath);
- __nisbind_destroy (&bptr);
- nis_free_directory (dir);
- return NULL;
+ NIS_RES_STATUS (res) = NIS_NOMEMORY;
+ goto fail;
}
- first_try = 1;
- goto again;
+ NIS_RES_OBJECT (allres) = objects_val;
+ memcpy (NIS_RES_OBJECT (allres) + NIS_RES_NUMOBJ (allres),
+ NIS_RES_OBJECT (res),
+ NIS_RES_NUMOBJ (res) * sizeof (nis_object));
+ NIS_RES_NUMOBJ (allres) += NIS_RES_NUMOBJ (res);
+ NIS_RES_NUMOBJ (res) = 0;
+ free (NIS_RES_OBJECT (res));
+ NIS_RES_OBJECT (res) = NULL;
+ NIS_RES_STATUS (allres) = NIS_RES_STATUS (res);
+ xdr_free ((xdrproc_t) _xdr_nis_result, (char *) res);
+ }
+ clnt_status = __follow_path (&tablepath, &tableptr, ibreq,
+ &bptr);
+ if (clnt_status != NIS_SUCCESS)
+ {
+ /* Prepare for the nis_freeresult call. */
+ memset (res, '\0', sizeof (*res));
+
+ if (clnt_status == NIS_NOMEMORY)
+ NIS_RES_STATUS (allres) = clnt_status;
+ ++done;
}
}
else
@@ -374,32 +452,10 @@ nis_list (const_nis_name name, unsigned int flags,
++done;
else
{
- if (!have_tablepath)
- {
- tablepath = __get_tablepath (ibreq->ibr_name, &bptr);
- tableptr = tablepath;
- have_tablepath = 1;
- }
- if (tableptr == NULL)
- {
- ++done;
- break;
- }
- free (ibreq->ibr_name);
- ibreq->ibr_name = strsep (&tableptr, ":");
- if (ibreq->ibr_name == NULL || ibreq->ibr_name[0] == '\0')
- {
- ibreq->ibr_name = strdup ("");
- ++done;
- }
- else
- ibreq->ibr_name = strdup (ibreq->ibr_name);
- if (ibreq->ibr_name == NULL)
- {
- nis_free_request (ibreq);
- NIS_RES_STATUS (res) = NIS_NOMEMORY;
- return res;
- }
+ NIS_RES_STATUS (res)
+ = __follow_path (&tablepath, &tableptr, ibreq, &bptr);
+ if (NIS_RES_STATUS (res) != NIS_SUCCESS)
+ ++done;
}
}
break;
@@ -432,7 +488,7 @@ nis_list (const_nis_name name, unsigned int flags,
/* Try the next domainname if we don't follow a link. */
free (ibreq->ibr_name);
ibreq->ibr_name = NULL;
- if (count_links)
+ if (__builtin_expect (count_links, 0))
{
NIS_RES_STATUS (res) = NIS_LINKNAMEERROR;
++done;
@@ -447,9 +503,8 @@ nis_list (const_nis_name name, unsigned int flags,
ibreq->ibr_name = strdup (names[name_nr]);
if (ibreq->ibr_name == NULL)
{
- nis_free_request (ibreq);
NIS_RES_STATUS (res) = NIS_NOMEMORY;
- return res;
+ goto fail;
}
first_try = 1; /* Try old binding at first */
goto again;
@@ -463,17 +518,26 @@ nis_list (const_nis_name name, unsigned int flags,
__nis_destroy_callback (cb);
ibreq->ibr_cbhost.ibr_cbhost_len = 0;
ibreq->ibr_cbhost.ibr_cbhost_val = NULL;
+ cb = NULL;
}
__nisbind_destroy (&bptr);
nis_free_directory (dir);
}
+ free (tablepath);
+
if (names != namebuf)
nis_freenames (names);
nis_free_request (ibreq);
+ if (allres)
+ {
+ nis_freeresult (res);
+ return allres;
+ }
+
return res;
}
libnsl_hidden_def (nis_list)
@@ -481,15 +545,7 @@ libnsl_hidden_def (nis_list)
nis_result *
nis_add_entry (const_nis_name name, const nis_object *obj2, unsigned int flags)
{
- nis_object obj;
- nis_result *res;
- nis_error status;
- ib_request *ibreq;
- size_t namelen = strlen (name);
- char buf1[namelen + 20];
- char buf4[namelen + 20];
-
- res = calloc (1, sizeof (nis_result));
+ nis_result *res = calloc (1, sizeof (nis_result));
if (res == NULL)
return NULL;
@@ -499,14 +555,20 @@ nis_add_entry (const_nis_name name, const nis_object *obj2, unsigned int flags)
return res;
}
- if ((ibreq = __create_ib_request (name, flags)) == NULL)
+ ib_request *ibreq = __create_ib_request (name, flags);
+ if (ibreq == NULL)
{
NIS_RES_STATUS (res) = NIS_BADNAME;
return res;
}
+ nis_object obj;
memcpy (&obj, obj2, sizeof (nis_object));
+ size_t namelen = strlen (name);
+ char buf1[namelen + 20];
+ char buf4[namelen + 20];
+
if (obj.zo_name == NULL || strlen (obj.zo_name) == 0)
obj.zo_name = nis_leaf_of_r (name, buf1, sizeof (buf1));
@@ -527,11 +589,12 @@ nis_add_entry (const_nis_name name, const nis_object *obj2, unsigned int flags)
}
ibreq->ibr_obj.ibr_obj_len = 1;
- if ((status = __do_niscall (ibreq->ibr_name, NIS_IBADD,
- (xdrproc_t) _xdr_ib_request,
- (caddr_t) ibreq,
- (xdrproc_t) _xdr_nis_result,
- (caddr_t) res, 0, NULL)) != NIS_SUCCESS)
+ nis_error status = __do_niscall (ibreq->ibr_name, NIS_IBADD,
+ (xdrproc_t) _xdr_ib_request,
+ (caddr_t) ibreq,
+ (xdrproc_t) _xdr_nis_result,
+ (caddr_t) res, 0, NULL);
+ if (__builtin_expect (status != NIS_SUCCESS, 0))
NIS_RES_STATUS (res) = status;
nis_free_request (ibreq);
@@ -555,7 +618,8 @@ nis_modify_entry (const_nis_name name, const nis_object *obj2,
if (res == NULL)
return NULL;
- if (( ibreq =__create_ib_request (name, flags)) == NULL)
+ ibreq = __create_ib_request (name, flags);
+ if (ibreq == NULL)
{
NIS_RES_STATUS (res) = NIS_BADNAME;
return res;
@@ -583,10 +647,11 @@ nis_modify_entry (const_nis_name name, const nis_object *obj2,
}
ibreq->ibr_obj.ibr_obj_len = 1;
- if ((status = __do_niscall (ibreq->ibr_name, NIS_IBMODIFY,
- (xdrproc_t) _xdr_ib_request,
- (caddr_t) ibreq, (xdrproc_t) _xdr_nis_result,
- (caddr_t) res, 0, NULL)) != NIS_SUCCESS)
+ status = __do_niscall (ibreq->ibr_name, NIS_IBMODIFY,
+ (xdrproc_t) _xdr_ib_request,
+ (caddr_t) ibreq, (xdrproc_t) _xdr_nis_result,
+ (caddr_t) res, 0, NULL);
+ if (__builtin_expect (status != NIS_SUCCESS, 0))
NIS_RES_STATUS (res) = status;
nis_free_request (ibreq);
@@ -612,7 +677,8 @@ nis_remove_entry (const_nis_name name, const nis_object *obj,
return res;
}
- if ((ibreq =__create_ib_request (name, flags)) == NULL)
+ ibreq = __create_ib_request (name, flags);
+ if (ibreq == NULL)
{
NIS_RES_STATUS (res) = NIS_BADNAME;
return res;
@@ -670,7 +736,7 @@ nis_first_entry (const_nis_name name)
(caddr_t) ibreq, (xdrproc_t) _xdr_nis_result,
(caddr_t) res, 0, NULL);
- if (status != NIS_SUCCESS)
+ if (__builtin_expect (status != NIS_SUCCESS, 0))
NIS_RES_STATUS (res) = status;
nis_free_request (ibreq);
@@ -713,7 +779,7 @@ nis_next_entry (const_nis_name name, const netobj *cookie)
(caddr_t) ibreq, (xdrproc_t) _xdr_nis_result,
(caddr_t) res, 0, NULL);
- if (status != NIS_SUCCESS)
+ if (__builtin_expect (status != NIS_SUCCESS, 0))
NIS_RES_STATUS (res) = status;
if (cookie != NULL)
diff --git a/nis/nis_xdr.c b/nis/nis_xdr.c
index 2a75505b31..0c6452a6a7 100644
--- a/nis/nis_xdr.c
+++ b/nis/nis_xdr.c
@@ -1,4 +1,4 @@
-/* Copyright (c) 1997, 1998 Free Software Foundation, Inc.
+/* Copyright (c) 1997, 1998, 2005, 2006 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Thorsten Kukuk <kukuk@vt.uni-paderborn.de>, 1997.
@@ -28,383 +28,415 @@
static bool_t
xdr_nis_attr (XDR *xdrs, nis_attr *objp)
{
- if (!xdr_string (xdrs, &objp->zattr_ndx, ~0))
- return FALSE;
- if (!xdr_bytes (xdrs, (char **) &objp->zattr_val.zattr_val_val,
- (u_int *) & objp->zattr_val.zattr_val_len, ~0))
- return FALSE;
- return TRUE;
+ bool_t res = xdr_string (xdrs, &objp->zattr_ndx, ~0);
+ if (__builtin_expect (res, TRUE))
+ res = xdr_bytes (xdrs, (char **) &objp->zattr_val.zattr_val_val,
+ &objp->zattr_val.zattr_val_len, ~0);
+ return res;
+}
+
+static __always_inline bool_t
+xdr_nis_name (XDR *xdrs, nis_name *objp)
+{
+ return xdr_string (xdrs, objp, ~0);
}
bool_t
_xdr_nis_name (XDR *xdrs, nis_name *objp)
{
- if (!xdr_string (xdrs, objp, ~0))
- return FALSE;
- return TRUE;
+ return xdr_nis_name (xdrs, objp);
}
-static bool_t
+static __always_inline bool_t
xdr_zotypes (XDR *xdrs, zotypes *objp)
{
- if (!xdr_enum (xdrs, (enum_t *) objp))
- return FALSE;
- return TRUE;
+ return xdr_enum (xdrs, (enum_t *) objp);
}
-static bool_t
+static __always_inline bool_t
xdr_nstype (XDR *xdrs, nstype *objp)
{
- if (!xdr_enum (xdrs, (enum_t *) objp))
- return FALSE;
- return TRUE;
+ return xdr_enum (xdrs, (enum_t *) objp);
}
static bool_t
xdr_oar_mask (XDR *xdrs, oar_mask *objp)
{
- if (!xdr_u_int (xdrs, &objp->oa_rights))
- return FALSE;
- if (!xdr_zotypes (xdrs, &objp->oa_otype))
- return FALSE;
- return TRUE;
+ bool_t res = xdr_u_int (xdrs, &objp->oa_rights);
+ if (__builtin_expect (res, TRUE))
+ res = xdr_zotypes (xdrs, &objp->oa_otype);
+ return res;
}
static bool_t
xdr_endpoint (XDR *xdrs, endpoint *objp)
{
- if (!xdr_string (xdrs, &objp->uaddr, ~0))
- return FALSE;
- if (!xdr_string (xdrs, &objp->family, ~0))
- return FALSE;
- if (!xdr_string (xdrs, &objp->proto, ~0))
- return FALSE;
- return TRUE;
+ bool_t res = xdr_string (xdrs, &objp->uaddr, ~0);
+ if (__builtin_expect (res, TRUE))
+ {
+ res = xdr_string (xdrs, &objp->family, ~0);
+ if (__builtin_expect (res, 1))
+ res = xdr_string (xdrs, &objp->proto, ~0);
+ }
+ return res;
}
bool_t
_xdr_nis_server (XDR *xdrs, nis_server *objp)
{
- if (!_xdr_nis_name (xdrs, &objp->name))
- return FALSE;
- if (!xdr_array (xdrs, (char **) &objp->ep.ep_val, (u_int *) &objp->ep.ep_len,
- ~0, sizeof (endpoint), (xdrproc_t) xdr_endpoint))
- return FALSE;
- if (!xdr_u_int (xdrs, &objp->key_type))
- return FALSE;
- if (!xdr_netobj (xdrs, &objp->pkey))
- return FALSE;
- return TRUE;
+ bool_t res = xdr_nis_name (xdrs, &objp->name);
+ if (__builtin_expect (res, TRUE))
+ {
+ res = xdr_array (xdrs, (char **) &objp->ep.ep_val, &objp->ep.ep_len,
+ ~0, sizeof (endpoint), (xdrproc_t) xdr_endpoint);
+ if (__builtin_expect (res, TRUE))
+ {
+ res = xdr_u_int (xdrs, &objp->key_type);
+ if (__builtin_expect (res, TRUE))
+ res = xdr_netobj (xdrs, &objp->pkey);
+ }
+ }
+ return res;
}
bool_t
_xdr_directory_obj (XDR *xdrs, directory_obj *objp)
{
- if (!_xdr_nis_name (xdrs, &objp->do_name))
- return FALSE;
- if (!xdr_nstype (xdrs, &objp->do_type))
- return FALSE;
- if (!xdr_array (xdrs, (char **) &objp->do_servers.do_servers_val,
- (u_int *) & objp->do_servers.do_servers_len, ~0,
- sizeof (nis_server), (xdrproc_t) _xdr_nis_server))
- return FALSE;
-
- if (!xdr_uint32_t (xdrs, &objp->do_ttl))
- return FALSE;
- if (!xdr_array (xdrs, (char **) &objp->do_armask.do_armask_val,
- (u_int *) & objp->do_armask.do_armask_len, ~0,
- sizeof (oar_mask), (xdrproc_t) xdr_oar_mask))
- return FALSE;
- return TRUE;
+ bool_t res = xdr_nis_name (xdrs, &objp->do_name);
+ if (__builtin_expect (res, TRUE))
+ {
+ res = xdr_nstype (xdrs, &objp->do_type);
+ if (__builtin_expect (res, TRUE))
+ {
+ res = xdr_array (xdrs, (char **) &objp->do_servers.do_servers_val,
+ &objp->do_servers.do_servers_len, ~0,
+ sizeof (nis_server), (xdrproc_t) _xdr_nis_server);
+ if (__builtin_expect (res, TRUE))
+ {
+ res = xdr_uint32_t (xdrs, &objp->do_ttl);
+ if (__builtin_expect (res, TRUE))
+ res = xdr_array (xdrs,
+ (char **) &objp->do_armask.do_armask_val,
+ &objp->do_armask.do_armask_len, ~0,
+ sizeof (oar_mask), (xdrproc_t) xdr_oar_mask);
+ }
+ }
+ }
+ return res;
}
static bool_t
xdr_entry_col (XDR *xdrs, entry_col *objp)
{
- if (!xdr_u_int (xdrs, &objp->ec_flags))
- return FALSE;
- if (!xdr_bytes (xdrs, (char **) &objp->ec_value.ec_value_val,
- (u_int *) &objp->ec_value.ec_value_len, ~0))
- return FALSE;
- return TRUE;
+ bool_t res = xdr_u_int (xdrs, &objp->ec_flags);
+ if (__builtin_expect (res, TRUE))
+ res = xdr_bytes (xdrs, (char **) &objp->ec_value.ec_value_val,
+ &objp->ec_value.ec_value_len, ~0);
+ return res;
}
static bool_t
xdr_entry_obj (XDR *xdrs, entry_obj *objp)
{
- if (!xdr_string (xdrs, &objp->en_type, ~0))
- return FALSE;
- if (!xdr_array (xdrs, (char **) &objp->en_cols.en_cols_val,
- (u_int *) &objp->en_cols.en_cols_len, ~0,
- sizeof (entry_col), (xdrproc_t) xdr_entry_col))
- return FALSE;
- return TRUE;
+ bool_t res = xdr_string (xdrs, &objp->en_type, ~0);
+ if (__builtin_expect (res, TRUE))
+ res = xdr_array (xdrs, (char **) &objp->en_cols.en_cols_val,
+ &objp->en_cols.en_cols_len, ~0,
+ sizeof (entry_col), (xdrproc_t) xdr_entry_col);
+ return res;
}
static bool_t
xdr_group_obj (XDR *xdrs, group_obj *objp)
{
- if (!xdr_u_int (xdrs, &objp->gr_flags))
- return FALSE;
- if (!xdr_array (xdrs, (char **) &objp->gr_members.gr_members_val,
- (u_int *) &objp->gr_members.gr_members_len, ~0,
- sizeof (nis_name), (xdrproc_t) _xdr_nis_name))
- return FALSE;
- return TRUE;
+ bool_t res = xdr_u_int (xdrs, &objp->gr_flags);
+ if (__builtin_expect (res, TRUE))
+ res = xdr_array (xdrs, (char **) &objp->gr_members.gr_members_val,
+ &objp->gr_members.gr_members_len, ~0,
+ sizeof (nis_name), (xdrproc_t) _xdr_nis_name);
+ return res;
}
static bool_t
xdr_link_obj (XDR *xdrs, link_obj *objp)
{
- if (!xdr_zotypes (xdrs, &objp->li_rtype))
- return FALSE;
- if (!xdr_array (xdrs, (char **) &objp->li_attrs.li_attrs_val,
- (u_int *) &objp->li_attrs.li_attrs_len, ~0,
- sizeof (nis_attr), (xdrproc_t) xdr_nis_attr))
- return FALSE;
- if (!_xdr_nis_name (xdrs, &objp->li_name))
- return FALSE;
- return TRUE;
+ bool_t res = xdr_zotypes (xdrs, &objp->li_rtype);
+ if (__builtin_expect (res, TRUE))
+ {
+ res = xdr_array (xdrs, (char **) &objp->li_attrs.li_attrs_val,
+ &objp->li_attrs.li_attrs_len, ~0,
+ sizeof (nis_attr), (xdrproc_t) xdr_nis_attr);
+ if (__builtin_expect (res, TRUE))
+ res = xdr_nis_name (xdrs, &objp->li_name);
+ }
+ return res;
}
static bool_t
xdr_table_col (XDR *xdrs, table_col *objp)
{
- if (!xdr_string (xdrs, &objp->tc_name, 64))
- return FALSE;
- if (!xdr_u_int (xdrs, &objp->tc_flags))
- return FALSE;
- if (!xdr_u_int (xdrs, &objp->tc_rights))
- return FALSE;
- return TRUE;
+ bool_t res = xdr_string (xdrs, &objp->tc_name, 64);
+ if (__builtin_expect (res, TRUE))
+ {
+ res = xdr_u_int (xdrs, &objp->tc_flags);
+ if (__builtin_expect (res, TRUE))
+ res = xdr_u_int (xdrs, &objp->tc_rights);
+ }
+ return res;
}
static bool_t
xdr_table_obj (XDR *xdrs, table_obj *objp)
{
- if (!xdr_string (xdrs, &objp->ta_type, 64))
- return FALSE;
- if (!xdr_int (xdrs, &objp->ta_maxcol))
- return FALSE;
- if (!xdr_u_char (xdrs, &objp->ta_sep))
- return FALSE;
- if (!xdr_array (xdrs, (char **) &objp->ta_cols.ta_cols_val,
- (u_int *) &objp->ta_cols.ta_cols_len, ~0,
- sizeof (table_col), (xdrproc_t) xdr_table_col))
- return FALSE;
- if (!xdr_string (xdrs, &objp->ta_path, ~0))
- return FALSE;
- return TRUE;
+ bool_t res = xdr_string (xdrs, &objp->ta_type, 64);
+ if (__builtin_expect (res, TRUE))
+ {
+ res = xdr_int (xdrs, &objp->ta_maxcol);
+ if (__builtin_expect (res, TRUE))
+ {
+ res = xdr_u_char (xdrs, &objp->ta_sep);
+ if (__builtin_expect (res, TRUE))
+ {
+ res = xdr_array (xdrs, (char **) &objp->ta_cols.ta_cols_val,
+ &objp->ta_cols.ta_cols_len, ~0,
+ sizeof (table_col), (xdrproc_t) xdr_table_col);
+ if (__builtin_expect (res, TRUE))
+ res = xdr_string (xdrs, &objp->ta_path, ~0);
+ }
+ }
+ }
+ return res;
}
static bool_t
xdr_objdata (XDR *xdrs, objdata *objp)
{
- if (!xdr_zotypes (xdrs, &objp->zo_type))
- return FALSE;
+ bool_t res = xdr_zotypes (xdrs, &objp->zo_type);
+ if (!__builtin_expect (res, TRUE))
+ return res;
switch (objp->zo_type)
{
case NIS_DIRECTORY_OBJ:
- if (!_xdr_directory_obj (xdrs, &objp->objdata_u.di_data))
- return FALSE;
- break;
+ return _xdr_directory_obj (xdrs, &objp->objdata_u.di_data);
case NIS_GROUP_OBJ:
- if (!xdr_group_obj (xdrs, &objp->objdata_u.gr_data))
- return FALSE;
- break;
+ return xdr_group_obj (xdrs, &objp->objdata_u.gr_data);
case NIS_TABLE_OBJ:
- if (!xdr_table_obj (xdrs, &objp->objdata_u.ta_data))
- return FALSE;
- break;
+ return xdr_table_obj (xdrs, &objp->objdata_u.ta_data);
case NIS_ENTRY_OBJ:
- if (!xdr_entry_obj (xdrs, &objp->objdata_u.en_data))
- return FALSE;
- break;
+ return xdr_entry_obj (xdrs, &objp->objdata_u.en_data);
case NIS_LINK_OBJ:
- if (!xdr_link_obj (xdrs, &objp->objdata_u.li_data))
- return FALSE;
- break;
+ return xdr_link_obj (xdrs, &objp->objdata_u.li_data);
case NIS_PRIVATE_OBJ:
- if (!xdr_bytes (xdrs, (char **) &objp->objdata_u.po_data.po_data_val,
- (u_int *) & objp->objdata_u.po_data.po_data_len, ~0))
- return FALSE;
- break;
+ return xdr_bytes (xdrs, &objp->objdata_u.po_data.po_data_val,
+ &objp->objdata_u.po_data.po_data_len, ~0);
case NIS_NO_OBJ:
- break;
case NIS_BOGUS_OBJ:
- break;
default:
- break;
+ return TRUE;
}
- return TRUE;
}
static bool_t
xdr_nis_oid (XDR *xdrs, nis_oid *objp)
{
- if (!xdr_uint32_t (xdrs, &objp->ctime))
- return FALSE;
- if (!xdr_uint32_t (xdrs, &objp->mtime))
- return FALSE;
- return TRUE;
+ bool_t res = xdr_uint32_t (xdrs, &objp->ctime);
+ if (__builtin_expect (res, TRUE))
+ res = xdr_uint32_t (xdrs, &objp->mtime);
+ return res;
}
bool_t
_xdr_nis_object (XDR *xdrs, nis_object *objp)
{
- if (!xdr_nis_oid (xdrs, &objp->zo_oid))
- return FALSE;
- if (!_xdr_nis_name (xdrs, &objp->zo_name))
- return FALSE;
- if (!_xdr_nis_name (xdrs, &objp->zo_owner))
- return FALSE;
- if (!_xdr_nis_name (xdrs, &objp->zo_group))
- return FALSE;
- if (!_xdr_nis_name (xdrs, &objp->zo_domain))
- return FALSE;
- if (!xdr_u_int (xdrs, &objp->zo_access))
- return FALSE;
- if (!xdr_uint32_t (xdrs, &objp->zo_ttl))
- return FALSE;
- if (!xdr_objdata (xdrs, &objp->zo_data))
- return FALSE;
- return TRUE;
+ bool_t res = xdr_nis_oid (xdrs, &objp->zo_oid);
+ if (__builtin_expect (res, TRUE))
+ {
+ res = xdr_nis_name (xdrs, &objp->zo_name);
+ if (__builtin_expect (res, TRUE))
+ {
+ res = xdr_nis_name (xdrs, &objp->zo_owner);
+ if (__builtin_expect (res, TRUE))
+ {
+ res = xdr_nis_name (xdrs, &objp->zo_group);
+ if (__builtin_expect (res, TRUE))
+ {
+ res = xdr_nis_name (xdrs, &objp->zo_domain);
+ if (__builtin_expect (res, TRUE))
+ {
+ res = xdr_u_int (xdrs, &objp->zo_access);
+ if (__builtin_expect (res, TRUE))
+ {
+ res = xdr_uint32_t (xdrs, &objp->zo_ttl);
+ if (__builtin_expect (res, TRUE))
+ res = xdr_objdata (xdrs, &objp->zo_data);
+ }
+ }
+ }
+ }
+ }
+ }
+ return res;
+}
+
+static __always_inline bool_t
+xdr_nis_error (XDR *xdrs, nis_error *objp)
+{
+ return xdr_enum (xdrs, (enum_t *) objp);
}
bool_t
_xdr_nis_error (XDR *xdrs, nis_error *objp)
{
- if (!xdr_enum (xdrs, (enum_t *) objp))
- return FALSE;
- return TRUE;
+ return xdr_nis_error (xdrs, objp);
}
bool_t
_xdr_nis_result (XDR *xdrs, nis_result *objp)
{
- if (!_xdr_nis_error (xdrs, &objp->status))
- return FALSE;
- if (!xdr_array (xdrs, (char **) &objp->objects.objects_val,
- (u_int *) &objp->objects.objects_len, ~0,
- sizeof (nis_object), (xdrproc_t) _xdr_nis_object))
- return FALSE;
- if (!xdr_netobj (xdrs, &objp->cookie))
- return FALSE;
- if (!xdr_uint32_t (xdrs, &objp->zticks))
- return FALSE;
- if (!xdr_uint32_t (xdrs, &objp->dticks))
- return FALSE;
- if (!xdr_uint32_t (xdrs, &objp->aticks))
- return FALSE;
- if (!xdr_uint32_t (xdrs, &objp->cticks))
- return FALSE;
- return TRUE;
+ bool_t res = xdr_nis_error (xdrs, &objp->status);
+ if (__builtin_expect (res, TRUE))
+ {
+ res = xdr_array (xdrs, (char **) &objp->objects.objects_val,
+ &objp->objects.objects_len, ~0,
+ sizeof (nis_object), (xdrproc_t) _xdr_nis_object);
+ if (__builtin_expect (res, TRUE))
+ {
+ res = xdr_netobj (xdrs, &objp->cookie);
+ if (__builtin_expect (res, TRUE))
+ {
+ res = xdr_uint32_t (xdrs, &objp->zticks);
+ if (__builtin_expect (res, TRUE))
+ {
+ res = xdr_uint32_t (xdrs, &objp->dticks);
+ if (__builtin_expect (res, TRUE))
+ {
+ res = xdr_uint32_t (xdrs, &objp->aticks);
+ if (__builtin_expect (res, TRUE))
+ res = xdr_uint32_t (xdrs, &objp->cticks);
+ }
+ }
+ }
+ }
+ }
+ return res;
}
+libnsl_hidden_def (_xdr_nis_result)
bool_t
_xdr_ns_request (XDR *xdrs, ns_request *objp)
{
- if (!_xdr_nis_name (xdrs, &objp->ns_name))
- return FALSE;
- if (!xdr_array (xdrs, (char **) &objp->ns_object.ns_object_val,
- (u_int *) &objp->ns_object.ns_object_len, 1,
- sizeof (nis_object), (xdrproc_t) _xdr_nis_object))
- return FALSE;
- return TRUE;
+ bool_t res = xdr_nis_name (xdrs, &objp->ns_name);
+ if (__builtin_expect (res, TRUE))
+ res = xdr_array (xdrs, (char **) &objp->ns_object.ns_object_val,
+ &objp->ns_object.ns_object_len, 1,
+ sizeof (nis_object), (xdrproc_t) _xdr_nis_object);
+ return res;
}
bool_t
_xdr_ib_request (XDR *xdrs, ib_request *objp)
{
- if (!_xdr_nis_name (xdrs, &objp->ibr_name))
- return FALSE;
- if (!xdr_array (xdrs, (char **) &objp->ibr_srch.ibr_srch_val,
- (u_int *) &objp->ibr_srch.ibr_srch_len, ~0,
- sizeof (nis_attr), (xdrproc_t) xdr_nis_attr))
- return FALSE;
- if (!xdr_u_int (xdrs, &objp->ibr_flags))
- return FALSE;
- if (!xdr_array (xdrs, (char **) &objp->ibr_obj.ibr_obj_val,
- (u_int *) &objp->ibr_obj.ibr_obj_len, 1,
- sizeof (nis_object), (xdrproc_t) _xdr_nis_object))
- return FALSE;
- if (!xdr_array (xdrs, (char **) &objp->ibr_cbhost.ibr_cbhost_val,
- (u_int *) &objp->ibr_cbhost.ibr_cbhost_len, 1,
- sizeof (nis_server), (xdrproc_t) _xdr_nis_server))
- return FALSE;
- if (!xdr_u_int (xdrs, &objp->ibr_bufsize))
- return FALSE;
- if (!xdr_netobj (xdrs, &objp->ibr_cookie))
- return FALSE;
- return TRUE;
+ bool_t res = xdr_nis_name (xdrs, &objp->ibr_name);
+ if (__builtin_expect (res, TRUE))
+ {
+ res = xdr_array (xdrs, (char **) &objp->ibr_srch.ibr_srch_val,
+ &objp->ibr_srch.ibr_srch_len, ~0,
+ sizeof (nis_attr), (xdrproc_t) xdr_nis_attr);
+ if (__builtin_expect (res, TRUE))
+ {
+ res = xdr_u_int (xdrs, &objp->ibr_flags);
+ if (__builtin_expect (res, TRUE))
+ {
+ res = xdr_array (xdrs, (char **) &objp->ibr_obj.ibr_obj_val,
+ &objp->ibr_obj.ibr_obj_len, 1,
+ sizeof (nis_object),
+ (xdrproc_t) _xdr_nis_object);
+ if (__builtin_expect (res, TRUE))
+ {
+ res = xdr_array (xdrs,
+ (char **) &objp->ibr_cbhost.ibr_cbhost_val,
+ &objp->ibr_cbhost.ibr_cbhost_len, 1,
+ sizeof (nis_server),
+ (xdrproc_t) _xdr_nis_server);
+ if (__builtin_expect (res, TRUE))
+ {
+ res = xdr_u_int (xdrs, &objp->ibr_bufsize);
+ if (__builtin_expect (res, TRUE))
+ res = xdr_netobj (xdrs, &objp->ibr_cookie);
+ }
+ }
+ }
+ }
+ }
+ return res;
}
+libnsl_hidden_def (_xdr_ib_request)
bool_t
_xdr_ping_args (XDR *xdrs, ping_args *objp)
{
- if (!_xdr_nis_name (xdrs, &objp->dir))
- return FALSE;
- if (!xdr_uint32_t (xdrs, &objp->stamp))
- return FALSE;
- return TRUE;
+ bool_t res = xdr_nis_name (xdrs, &objp->dir);
+ if (__builtin_expect (res, TRUE))
+ res = xdr_uint32_t (xdrs, &objp->stamp);
+ return res;
}
bool_t
_xdr_cp_result (XDR *xdrs, cp_result *objp)
{
- if (!_xdr_nis_error (xdrs, &objp->cp_status))
- return FALSE;
- if (!xdr_uint32_t (xdrs, &objp->cp_zticks))
- return FALSE;
- if (!xdr_uint32_t (xdrs, &objp->cp_dticks))
- return FALSE;
- return TRUE;
+ bool_t res = xdr_nis_error (xdrs, &objp->cp_status);
+ if (__builtin_expect (res, TRUE))
+ {
+ res = xdr_uint32_t (xdrs, &objp->cp_zticks);
+ if (__builtin_expect (res, TRUE))
+ res = xdr_uint32_t (xdrs, &objp->cp_dticks);
+ }
+ return res;
}
bool_t
_xdr_nis_tag (XDR *xdrs, nis_tag *objp)
{
- if (!xdr_u_int (xdrs, &objp->tag_type))
- return FALSE;
- if (!xdr_string (xdrs, &objp->tag_val, ~0))
- return FALSE;
- return TRUE;
+ bool_t res = xdr_u_int (xdrs, &objp->tag_type);
+ if (__builtin_expect (res, TRUE))
+ res = xdr_string (xdrs, &objp->tag_val, ~0);
+ return res;
}
bool_t
_xdr_nis_taglist (XDR *xdrs, nis_taglist *objp)
{
- if (!xdr_array (xdrs, (char **) &objp->tags.tags_val,
- (u_int *) &objp->tags.tags_len, ~0, sizeof (nis_tag),
- (xdrproc_t) _xdr_nis_tag))
- return FALSE;
- return TRUE;
+ return xdr_array (xdrs, (char **) &objp->tags.tags_val,
+ &objp->tags.tags_len, ~0, sizeof (nis_tag),
+ (xdrproc_t) _xdr_nis_tag);
}
bool_t
_xdr_fd_args (XDR *xdrs, fd_args *objp)
{
- if (!_xdr_nis_name (xdrs, &objp->dir_name))
- return FALSE;
- if (!_xdr_nis_name (xdrs, &objp->requester))
- return FALSE;
- return TRUE;
+ bool_t res = xdr_nis_name (xdrs, &objp->dir_name);
+ if (__builtin_expect (res, TRUE))
+ res = xdr_nis_name (xdrs, &objp->requester);
+ return res;
}
bool_t
_xdr_fd_result (XDR *xdrs, fd_result *objp)
{
- if (!_xdr_nis_error (xdrs, &objp->status))
- return FALSE;
- if (!_xdr_nis_name (xdrs, &objp->source))
- return FALSE;
- if (!xdr_bytes (xdrs, (char **) &objp->dir_data.dir_data_val,
- (u_int *) &objp->dir_data.dir_data_len, ~0))
- return FALSE;
- if (!xdr_bytes (xdrs, (char **) &objp->signature.signature_val,
- (u_int *) &objp->signature.signature_len, ~0))
- return FALSE;
- return TRUE;
+ bool_t res = xdr_nis_error (xdrs, &objp->status);
+ if (__builtin_expect (res, TRUE))
+ {
+ res = xdr_nis_name (xdrs, &objp->source);
+ if (__builtin_expect (res, TRUE))
+ {
+ res = xdr_bytes (xdrs, (char **) &objp->dir_data.dir_data_val,
+ &objp->dir_data.dir_data_len, ~0);
+ if (__builtin_expect (res, TRUE))
+ res = xdr_bytes (xdrs, (char **) &objp->signature.signature_val,
+ &objp->signature.signature_len, ~0);
+ }
+ }
+ return res;
}
/* The following functions have prototypes in nis_callback.h. So
@@ -412,18 +444,16 @@ _xdr_fd_result (XDR *xdrs, fd_result *objp)
bool_t
xdr_obj_p (XDR *xdrs, obj_p *objp)
{
- if (!xdr_pointer (xdrs, (char **)objp, sizeof (nis_object),
- (xdrproc_t)_xdr_nis_object))
- return FALSE;
- return TRUE;
+ return xdr_pointer (xdrs, (char **)objp, sizeof (nis_object),
+ (xdrproc_t)_xdr_nis_object);
}
+libnsl_hidden_def (xdr_obj_p)
bool_t
xdr_cback_data (XDR *xdrs, cback_data *objp)
{
- if (!xdr_array (xdrs, (char **)&objp->entries.entries_val,
- (u_int *) &objp->entries.entries_len, ~0,
- sizeof (obj_p), (xdrproc_t) xdr_obj_p))
- return FALSE;
- return TRUE;
+ return xdr_array (xdrs, (char **)&objp->entries.entries_val,
+ &objp->entries.entries_len, ~0,
+ sizeof (obj_p), (xdrproc_t) xdr_obj_p);
}
+libnsl_hidden_def (xdr_cback_data)
diff --git a/nis/nis_xdr.h b/nis/nis_xdr.h
index 2f1a179e0a..a59362c78f 100644
--- a/nis/nis_xdr.h
+++ b/nis/nis_xdr.h
@@ -1,4 +1,4 @@
-/* Copyright (c) 1998, 1999 Free Software Foundation, Inc.
+/* Copyright (c) 1998, 1999, 2006 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Thorsten Kukuk <kukuk@suse.de>, 1998.
@@ -22,24 +22,23 @@
#include <features.h>
-__BEGIN_DECLS
+extern bool_t _xdr_nis_attr (XDR *, nis_attr*) attribute_hidden;
+extern bool_t _xdr_nis_name (XDR *, nis_name*) attribute_hidden;
+extern bool_t _xdr_nis_server (XDR *, nis_server*) attribute_hidden;
+extern bool_t _xdr_directory_obj (XDR *, directory_obj*) attribute_hidden;
+extern bool_t _xdr_nis_object (XDR *, nis_object*) attribute_hidden;
+extern bool_t _xdr_nis_error (XDR *, nis_error*) attribute_hidden;
+extern bool_t _xdr_ns_request (XDR *, ns_request*) attribute_hidden;
+extern bool_t _xdr_ping_args (XDR *, ping_args*) attribute_hidden;
+extern bool_t _xdr_cp_result (XDR *, cp_result*) attribute_hidden;
+extern bool_t _xdr_nis_tag (XDR *, nis_tag*) attribute_hidden;
+extern bool_t _xdr_nis_taglist (XDR *, nis_taglist*) attribute_hidden;
+extern bool_t _xdr_fd_args (XDR *, fd_args*) attribute_hidden;
+extern bool_t _xdr_fd_result (XDR *, fd_result*) attribute_hidden;
-extern bool_t _xdr_nis_attr (XDR *, nis_attr*);
-extern bool_t _xdr_nis_name (XDR *, nis_name*);
-extern bool_t _xdr_nis_server (XDR *, nis_server*);
-extern bool_t _xdr_directory_obj (XDR *, directory_obj*);
-extern bool_t _xdr_nis_object (XDR *, nis_object*);
-extern bool_t _xdr_nis_error (XDR *, nis_error*);
-extern bool_t _xdr_nis_result (XDR *, nis_result*);
-extern bool_t _xdr_ns_request (XDR *, ns_request*);
extern bool_t _xdr_ib_request (XDR *, ib_request*);
-extern bool_t _xdr_ping_args (XDR *, ping_args*);
-extern bool_t _xdr_cp_result (XDR *, cp_result*);
-extern bool_t _xdr_nis_tag (XDR *, nis_tag*);
-extern bool_t _xdr_nis_taglist (XDR *, nis_taglist*);
-extern bool_t _xdr_fd_args (XDR *, fd_args*);
-extern bool_t _xdr_fd_result (XDR *, fd_result*);
-
-__END_DECLS
+libnsl_hidden_proto (_xdr_ib_request)
+extern bool_t _xdr_nis_result (XDR *, nis_result*);
+libnsl_hidden_proto (_xdr_nis_result)
#endif
diff --git a/nis/nisplus-parser.h b/nis/nisplus-parser.h
index f4b8d49596..4dc8db8c9f 100644
--- a/nis/nisplus-parser.h
+++ b/nis/nisplus-parser.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1997, 2004 Free Software Foundation, Inc.
+/* Copyright (C) 1997, 2004, 2006 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Thorsten Kukuk <kukuk@vt.uni-paderborn.de>, 1997.
@@ -24,15 +24,13 @@
#include <grp.h>
#include <shadow.h>
-extern int _nss_nisplus_parse_pwent (nis_result *, struct passwd *,
- char *, size_t, int *);
-extern int _nss_nisplus_parse_grent (nis_result *, u_long, struct group *,
- char *, size_t, int *);
-extern int _nss_nisplus_parse_spent (nis_result *, struct spwd *,
- char *, size_t, int *);
+extern int _nss_nisplus_parse_pwent (nis_result *result, struct passwd *pw,
+ char *buffer, size_t buflen, int *errnop);
-libnss_nisplus_hidden_proto (_nss_nisplus_parse_pwent)
-libnss_nisplus_hidden_proto (_nss_nisplus_parse_grent)
-libnss_nisplus_hidden_proto (_nss_nisplus_parse_spent)
+extern int _nss_nisplus_parse_grent (nis_result *result, struct group *gr,
+ char *buffer, size_t buflen, int *errnop);
+
+extern int _nss_nisplus_parse_spent (nis_result *result, struct spwd *sp,
+ char *buffer, size_t buflen, int *errnop);
#endif
diff --git a/nis/nss b/nis/nss
index 4f65f81120..b7007a6bd4 100644
--- a/nis/nss
+++ b/nis/nss
@@ -1,7 +1,7 @@
# /etc/default/nss
# This file can theoretically contain a bunch of customization variables
-# for Name Service Switch in the GNU C library. For now there are only two
-# variables:
+# for Name Service Switch in the GNU C library. For now there are only
+# three variables:
#
# NETID_AUTHORITATIVE
# If set to TRUE, the initgroups() function will accept the information
@@ -18,3 +18,11 @@
# primary service names and service aliases. The system administrator
# has to make sure it is correctly generated.
#SERVICES_AUTHORITATIVE=TRUE
+#
+# SETENT_BATCH_READ
+# If set to TRUE, various setXXent() functions will read the entire
+# database at once and then hand out the requests one by one from
+# memory with every getXXent() call. Otherwise each getXXent() call
+# might result into a network communication with the server to get
+# the next entry.
+SETENT_BATCH_READ=TRUE
diff --git a/nis/nss-default.c b/nis/nss-default.c
new file mode 100644
index 0000000000..046ddfee8d
--- /dev/null
+++ b/nis/nss-default.c
@@ -0,0 +1,127 @@
+/* Copyright (C) 1996, 2001, 2004, 2006, 2007 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+
+#include <ctype.h>
+#include <errno.h>
+#include <stdio.h>
+#include <stdio_ext.h>
+#include <stdlib.h>
+#include <string.h>
+#include <bits/libc-lock.h>
+
+#include <libnsl.h>
+
+
+/* Path of the file. */
+static const char default_nss[] = "/etc/default/nss";
+
+/* Flags once read from the file. */
+static int default_nss_flags;
+
+/* Code to make sure we call 'init' once. */
+__libc_once_define (static, once);
+
+/* Table of the recognized variables. */
+static const struct
+{
+ char name[23];
+ unsigned int len;
+ int flag;
+} vars[] =
+ {
+#define STRNLEN(s) s, sizeof (s) - 1
+ { STRNLEN ("NETID_AUTHORITATIVE"), NSS_FLAG_NETID_AUTHORITATIVE },
+ { STRNLEN ("SERVICES_AUTHORITATIVE"), NSS_FLAG_SERVICES_AUTHORITATIVE },
+ { STRNLEN ("SETENT_BATCH_READ"), NSS_FLAG_SETENT_BATCH_READ }
+ };
+#define nvars (sizeof (vars) / sizeof (vars[0]))
+
+
+static void
+init (void)
+{
+ int saved_errno = errno;
+ FILE *fp = fopen (default_nss, "rc");
+ if (fp != NULL)
+ {
+ char *line = NULL;
+ size_t linelen = 0;
+
+ __fsetlocking (fp, FSETLOCKING_BYCALLER);
+
+ while (!feof_unlocked (fp))
+ {
+ ssize_t n = getline (&line, &linelen, fp);
+ if (n <= 0)
+ break;
+
+ /* Recognize only
+
+ <THE-VARIABLE> = TRUE
+
+ with arbitrary white spaces. */
+ char *cp = line;
+ while (isspace (*cp))
+ ++cp;
+
+ /* Recognize comment lines. */
+ if (*cp == '#')
+ continue;
+
+ int idx;
+ for (idx = 0; idx < nvars; ++idx)
+ if (strncmp (cp, vars[idx].name, vars[idx].len) == 0)
+ break;
+ if (idx == nvars)
+ continue;
+
+ cp += vars[idx].len;
+ while (isspace (*cp))
+ ++cp;
+ if (*cp++ != '=')
+ continue;
+ while (isspace (*cp))
+ ++cp;
+
+ if (strncmp (cp, "TRUE", 4) != 0)
+ continue;
+ cp += 4;
+
+ while (isspace (*cp))
+ ++cp;
+
+ if (*cp == '\0')
+ default_nss_flags |= vars[idx].flag;
+ }
+
+ free (line);
+
+ fclose (fp);
+ }
+ __set_errno (saved_errno);
+}
+
+
+int
+_nsl_default_nss (void)
+{
+ /* If we have not yet read the file yet do it now. */
+ __libc_once (once, init);
+
+ return default_nss_flags;
+}
diff --git a/nis/nss-nis.c b/nis/nss-nis.c
index 40370bae3b..cff1e765bb 100644
--- a/nis/nss-nis.c
+++ b/nis/nss-nis.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1996, 2001, 2004 Free Software Foundation, Inc.
+/* Copyright (C) 1996, 2001, 2004, 2006 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
@@ -16,13 +16,6 @@
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
-#include <ctype.h>
-#include <stdio.h>
-#include <stdio_ext.h>
-#include <stdlib.h>
-#include <string.h>
-#include <rpcsvc/ypclnt.h>
-
#include "nss-nis.h"
#include "nsswitch.h"
@@ -50,81 +43,3 @@ const enum nss_status __yperr2nss_tab[] =
};
const unsigned int __yperr2nss_count = (sizeof (__yperr2nss_tab)
/ sizeof (__yperr2nss_tab[0]));
-
-int _nis_default_nss_flags;
-
-static const char default_nss[] = "/etc/default/nss";
-
-int
-_nis_check_default_nss (void)
-{
- FILE *fp = fopen (default_nss, "rc");
- int flags = NSS_FLAG_SET;
- if (fp != NULL)
- {
- char *line = NULL;
- size_t linelen = 0;
-
- __fsetlocking (fp, FSETLOCKING_BYCALLER);
-
- while (!feof_unlocked (fp))
- {
- ssize_t n = getline (&line, &linelen, fp);
- if (n <= 0)
- break;
-
- /* There currently are only two variables we expect, so
- simplify the parsing. Recognize only
-
- NETID_AUTHORITATIVE = TRUE
- SERVICES_AUTHORITATIVE = TRUE
-
- with arbitrary white spaces. */
- char *cp = line;
- while (isspace (*cp))
- ++cp;
-
- /* Recognize comment lines. */
- if (*cp == '#')
- continue;
-
- static const char netid_authoritative[] = "NETID_AUTHORITATIVE";
- static const char services_authoritative[]
- = "SERVICES_AUTHORITATIVE";
- size_t flag_len;
- if (strncmp (cp, netid_authoritative,
- flag_len = sizeof (netid_authoritative) - 1) != 0
- && strncmp (cp, services_authoritative,
- flag_len = sizeof (services_authoritative) - 1)
- != 0)
- continue;
-
- cp += flag_len;
- while (isspace (*cp))
- ++cp;
- if (*cp++ != '=')
- continue;
- while (isspace (*cp))
- ++cp;
-
- if (strncmp (cp, "TRUE", 4) != 0)
- continue;
- cp += 4;
-
- while (isspace (*cp))
- ++cp;
-
- if (*cp == '\0')
- flags |= flag_len == sizeof (netid_authoritative) - 1
- ? NSS_FLAG_NETID_AUTHORITATIVE
- : NSS_FLAG_SERVICES_AUTHORITATIVE;
- }
-
- free (line);
-
- fclose (fp);
- }
-
- _nis_default_nss_flags = flags;
- return flags;
-}
diff --git a/nis/nss-nis.h b/nis/nss-nis.h
index 659b3a14aa..a02583d14c 100644
--- a/nis/nss-nis.h
+++ b/nis/nss-nis.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1996, 2004 Free Software Foundation, Inc.
+/* Copyright (C) 1996, 2004, 2006 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
@@ -25,8 +25,8 @@
/* Convert YP error number to NSS error number. */
-extern const enum nss_status __yperr2nss_tab[];
-extern const unsigned int __yperr2nss_count;
+extern const enum nss_status __yperr2nss_tab[] attribute_hidden;
+extern const unsigned int __yperr2nss_count attribute_hidden;
static inline enum nss_status
yperr2nss (int errval)
@@ -36,16 +36,24 @@ yperr2nss (int errval)
return __yperr2nss_tab[(unsigned int) errval];
}
-#define NSS_FLAG_SET 1
-#define NSS_FLAG_NETID_AUTHORITATIVE 2
-#define NSS_FLAG_SERVICES_AUTHORITATIVE 4
-extern int _nis_default_nss_flags attribute_hidden;
-extern int _nis_check_default_nss (void) attribute_hidden;
-extern inline __attribute__((always_inline)) int
-_nis_default_nss (void)
+struct response_t
{
- return _nis_default_nss_flags ?: _nis_check_default_nss ();
-}
+ struct response_t *next;
+ size_t size;
+ char mem[0];
+};
+
+typedef struct intern_t
+{
+ struct response_t *start;
+ struct response_t *next;
+ size_t offset;
+} intern_t;
+
+
+extern int _nis_saveit (int instatus, char *inkey, int inkeylen, char *inval,
+ int invallen, char *indata) attribute_hidden;
+
#endif /* nis/nss-nis.h */
diff --git a/nis/nss-nisplus.h b/nis/nss-nisplus.h
index 7235c355b0..ad7f444440 100644
--- a/nis/nss-nisplus.h
+++ b/nis/nss-nisplus.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1997 Free Software Foundation, Inc.
+/* Copyright (C) 1997, 2006 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Thorsten Kukuk <kukuk@uni-paderborn.de>, 1997.
@@ -26,8 +26,8 @@
/* Convert NIS+ error number to NSS error number. */
-extern const enum nss_status __niserr2nss_tab[];
-extern const unsigned int __niserr2nss_count;
+extern const enum nss_status __niserr2nss_tab[] attribute_hidden;
+extern const unsigned int __niserr2nss_count attribute_hidden;
static inline enum nss_status
niserr2nss (int errval)
diff --git a/nis/nss_compat/compat-grp.c b/nis/nss_compat/compat-grp.c
index 08bf5d2f80..236c84a20f 100644
--- a/nis/nss_compat/compat-grp.c
+++ b/nis/nss_compat/compat-grp.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1996-1999,2001,2002,2003,2004 Free Software Foundation, Inc.
+/* Copyright (C) 1996-1999,2001-2005,2006 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Thorsten Kukuk <kukuk@suse.de>, 1996.
@@ -59,12 +59,13 @@ struct blacklist_t
struct ent_t
{
bool_t files;
+ enum nss_status setent_status;
FILE *stream;
struct blacklist_t blacklist;
};
typedef struct ent_t ent_t;
-static ent_t ext_ent = {TRUE, NULL, {NULL, 0, 0}};
+static ent_t ext_ent = { TRUE, NSS_STATUS_SUCCESS, NULL, { NULL, 0, 0 }};
/* Protect global state against multiple changers. */
__libc_lock_define_initialized (static, lock)
@@ -89,7 +90,7 @@ init_nss_interface (void)
}
static enum nss_status
-internal_setgrent (ent_t *ent, int stayopen)
+internal_setgrent (ent_t *ent, int stayopen, int needent)
{
enum nss_status status = NSS_STATUS_SUCCESS;
@@ -137,8 +138,8 @@ internal_setgrent (ent_t *ent, int stayopen)
else
rewind (ent->stream);
- if (status == NSS_STATUS_SUCCESS && nss_setgrent)
- return nss_setgrent (stayopen);
+ if (needent && status == NSS_STATUS_SUCCESS && nss_setgrent)
+ ent->setent_status = nss_setgrent (stayopen);
return status;
}
@@ -154,7 +155,7 @@ _nss_compat_setgrent (int stayopen)
if (ni == NULL)
init_nss_interface ();
- result = internal_setgrent (&ext_ent, stayopen);
+ result = internal_setgrent (&ext_ent, stayopen, 1);
__libc_lock_unlock (lock);
@@ -208,6 +209,10 @@ getgrent_next_nss (struct group *result, ent_t *ent, char *buffer,
if (!nss_getgrent_r)
return NSS_STATUS_UNAVAIL;
+ /* If the setgrent call failed, say so. */
+ if (ent->setent_status != NSS_STATUS_SUCCESS)
+ return ent->setent_status;
+
do
{
enum nss_status status;
@@ -229,9 +234,10 @@ getgrnam_plusgroup (const char *name, struct group *result, ent_t *ent,
if (!nss_getgrnam_r)
return NSS_STATUS_UNAVAIL;
- if (nss_getgrnam_r (name, result, buffer, buflen, errnop) !=
- NSS_STATUS_SUCCESS)
- return NSS_STATUS_NOTFOUND;
+ enum nss_status status = nss_getgrnam_r (name, result, buffer, buflen,
+ errnop);
+ if (status != NSS_STATUS_SUCCESS)
+ return status;
if (in_blacklist (result->gr_name, strlen (result->gr_name), ent))
return NSS_STATUS_NOTFOUND;
@@ -358,7 +364,7 @@ _nss_compat_getgrent_r (struct group *grp, char *buffer, size_t buflen,
init_nss_interface ();
if (ext_ent.stream == NULL)
- result = internal_setgrent (&ext_ent, 1);
+ result = internal_setgrent (&ext_ent, 1, 1);
if (result == NSS_STATUS_SUCCESS)
{
@@ -480,7 +486,7 @@ enum nss_status
_nss_compat_getgrnam_r (const char *name, struct group *grp,
char *buffer, size_t buflen, int *errnop)
{
- ent_t ent = {TRUE, NULL, {NULL, 0, 0}};
+ ent_t ent = { TRUE, NSS_STATUS_SUCCESS, NULL, { NULL, 0, 0 }};
enum nss_status result;
if (name[0] == '-' || name[0] == '+')
@@ -493,7 +499,7 @@ _nss_compat_getgrnam_r (const char *name, struct group *grp,
__libc_lock_unlock (lock);
- result = internal_setgrent (&ent, 0);
+ result = internal_setgrent (&ent, 0, 0);
if (result == NSS_STATUS_SUCCESS)
result = internal_getgrnam_r (name, grp, &ent, buffer, buflen, errnop);
@@ -551,7 +557,7 @@ internal_getgrgid_r (gid_t gid, struct group *result, ent_t *ent,
!(parse_res = _nss_files_parse_grent (p, result, data, buflen,
errnop)));
- if (parse_res == -1)
+ if (__builtin_expect (parse_res == -1, 0))
/* The parser ran out of space. */
goto erange_reset;
@@ -574,13 +580,17 @@ internal_getgrgid_r (gid_t gid, struct group *result, ent_t *ent,
/* +group */
if (result->gr_name[0] == '+' && result->gr_name[1] != '\0')
{
+ /* Yes, no +1, see the memcpy call below. */
+ size_t len = strlen (result->gr_name);
+ char buf[len];
enum nss_status status;
/* Store the group in the blacklist for the "+" at the end of
/etc/group */
- blacklist_store_name (&result->gr_name[1], ent);
+ memcpy (buf, &result->gr_name[1], len);
status = getgrnam_plusgroup (&result->gr_name[1], result, ent,
buffer, buflen, errnop);
+ blacklist_store_name (buf, ent);
if (status == NSS_STATUS_SUCCESS && result->gr_gid == gid)
break;
else
@@ -589,9 +599,11 @@ internal_getgrgid_r (gid_t gid, struct group *result, ent_t *ent,
/* +:... */
if (result->gr_name[0] == '+' && result->gr_name[1] == '\0')
{
- enum nss_status status;
+ if (!nss_getgrgid_r)
+ return NSS_STATUS_UNAVAIL;
- status = nss_getgrgid_r (gid, result, buffer, buflen, errnop);
+ enum nss_status status = nss_getgrgid_r (gid, result, buffer, buflen,
+ errnop);
if (status == NSS_STATUS_RETURN) /* We couldn't parse the entry */
return NSS_STATUS_NOTFOUND;
else
@@ -606,7 +618,7 @@ enum nss_status
_nss_compat_getgrgid_r (gid_t gid, struct group *grp,
char *buffer, size_t buflen, int *errnop)
{
- ent_t ent = {TRUE, NULL, {NULL, 0, 0}};
+ ent_t ent = { TRUE, NSS_STATUS_SUCCESS, NULL, { NULL, 0, 0 }};
enum nss_status result;
__libc_lock_lock (lock);
@@ -616,7 +628,7 @@ _nss_compat_getgrgid_r (gid_t gid, struct group *grp,
__libc_lock_unlock (lock);
- result = internal_setgrent (&ent, 0);
+ result = internal_setgrent (&ent, 0, 0);
if (result == NSS_STATUS_SUCCESS)
result = internal_getgrgid_r (gid, grp, &ent, buffer, buflen, errnop);
diff --git a/nis/nss_compat/compat-initgroups.c b/nis/nss_compat/compat-initgroups.c
index 9574ea7c0b..70403a0785 100644
--- a/nis/nss_compat/compat-initgroups.c
+++ b/nis/nss_compat/compat-initgroups.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1998-2003, 2004 Free Software Foundation, Inc.
+/* Copyright (C) 1998-2003, 2004, 2006 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Thorsten Kukuk <kukuk@suse.de>, 1998.
@@ -36,7 +36,6 @@ static service_user *ni;
static enum nss_status (*nss_initgroups_dyn) (const char *, gid_t,
long int *, long int *,
gid_t **, long int, int *);
-static enum nss_status (*nss_setgrent) (int stayopen);
static enum nss_status (*nss_getgrnam_r) (const char *name,
struct group * grp, char *buffer,
size_t buflen, int *errnop);
@@ -45,7 +44,6 @@ static enum nss_status (*nss_getgrgid_r) (gid_t gid, struct group * grp,
int *errnop);
static enum nss_status (*nss_getgrent_r) (struct group * grp, char *buffer,
size_t buflen, int *errnop);
-static enum nss_status (*nss_endgrent) (void);
/* Protect global state against multiple changers. */
__libc_lock_define_initialized (static, lock)
@@ -92,11 +90,9 @@ init_nss_interface (void)
&& __nss_database_lookup ("group_compat", NULL, "nis", &ni) >= 0)
{
nss_initgroups_dyn = __nss_lookup_function (ni, "initgroups_dyn");
- nss_setgrent = __nss_lookup_function (ni, "setgrent");
nss_getgrnam_r = __nss_lookup_function (ni, "getgrnam_r");
nss_getgrgid_r = __nss_lookup_function (ni, "getgrgid_r");
nss_getgrent_r = __nss_lookup_function (ni, "getgrent_r");
- nss_endgrent = __nss_lookup_function (ni, "endgrent");
}
__libc_lock_unlock (lock);
diff --git a/nis/nss_compat/compat-pwd.c b/nis/nss_compat/compat-pwd.c
index 89a6a7013e..ac132046da 100644
--- a/nis/nss_compat/compat-pwd.c
+++ b/nis/nss_compat/compat-pwd.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1996-1999,2001,2002,2003,2004 Free Software Foundation, Inc.
+/* Copyright (C) 1996-1999,2001-2005,2006 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Thorsten Kukuk <kukuk@vt.uni-paderborn.de>, 1996.
@@ -62,9 +62,10 @@ struct blacklist_t
struct ent_t
{
- bool_t netgroup;
- bool_t first;
- bool_t files;
+ bool netgroup;
+ bool first;
+ bool files;
+ enum nss_status setent_status;
FILE *stream;
struct blacklist_t blacklist;
struct passwd pwd;
@@ -72,8 +73,9 @@ struct ent_t
};
typedef struct ent_t ent_t;
-static ent_t ext_ent = {0, 0, TRUE, NULL, {NULL, 0, 0},
- {NULL, NULL, 0, 0, NULL, NULL, NULL}};
+static ent_t ext_ent = { false, false, true, NSS_STATUS_SUCCESS, NULL,
+ { NULL, 0, 0 },
+ { NULL, NULL, 0, 0, NULL, NULL, NULL }};
/* Protect global state against multiple changers. */
__libc_lock_define_initialized (static, lock)
@@ -202,12 +204,13 @@ copy_pwd_changes (struct passwd *dest, struct passwd *src,
}
static enum nss_status
-internal_setpwent (ent_t *ent, int stayopen)
+internal_setpwent (ent_t *ent, int stayopen, int needent)
{
enum nss_status status = NSS_STATUS_SUCCESS;
- ent->first = ent->netgroup = FALSE;
- ent->files = TRUE;
+ ent->first = ent->netgroup = false;
+ ent->files = true;
+ ent->setent_status = NSS_STATUS_SUCCESS;
/* If something was left over free it. */
if (ent->netgroup)
@@ -257,8 +260,8 @@ internal_setpwent (ent_t *ent, int stayopen)
give_pwd_free (&ent->pwd);
- if (status == NSS_STATUS_SUCCESS && nss_setpwent)
- return nss_setpwent (stayopen);
+ if (needent && status == NSS_STATUS_SUCCESS && nss_setpwent)
+ ent->setent_status = nss_setpwent (stayopen);
return status;
}
@@ -274,7 +277,7 @@ _nss_compat_setpwent (int stayopen)
if (ni == NULL)
init_nss_interface ();
- result = internal_setpwent (&ext_ent, stayopen);
+ result = internal_setpwent (&ext_ent, stayopen, 1);
__libc_lock_unlock (lock);
@@ -297,7 +300,7 @@ internal_endpwent (ent_t *ent)
if (ent->netgroup)
__internal_endnetgrent (&ent->netgrdata);
- ent->first = ent->netgroup = FALSE;
+ ent->first = ent->netgroup = false;
if (ent->blacklist.data != NULL)
{
@@ -344,17 +347,17 @@ getpwent_next_nss_netgr (const char *name, struct passwd *result, ent_t *ent,
if (yp_get_default_domain (&curdomain) != YPERR_SUCCESS)
{
- ent->netgroup = FALSE;
- ent->first = FALSE;
+ ent->netgroup = false;
+ ent->first = false;
give_pwd_free (&ent->pwd);
return NSS_STATUS_UNAVAIL;
}
- if (ent->first == TRUE)
+ if (ent->first == true)
{
memset (&ent->netgrdata, 0, sizeof (struct __netgrent));
__internal_setnetgrent (group, &ent->netgrdata);
- ent->first = FALSE;
+ ent->first = false;
}
while (1)
@@ -423,6 +426,10 @@ getpwent_next_nss (struct passwd *result, ent_t *ent, char *buffer,
if (!nss_getpwent_r)
return NSS_STATUS_UNAVAIL;
+ /* If the setpwent call failed, say so. */
+ if (ent->setent_status != NSS_STATUS_SUCCESS)
+ return ent->setent_status;
+
p2len = pwd_need_buflen (&ent->pwd);
if (p2len > buflen)
{
@@ -433,7 +440,7 @@ getpwent_next_nss (struct passwd *result, ent_t *ent, char *buffer,
buflen -= p2len;
if (ent->first)
- ent->first = FALSE;
+ ent->first = false;
do
{
@@ -453,29 +460,27 @@ static enum nss_status
getpwnam_plususer (const char *name, struct passwd *result, ent_t *ent,
char *buffer, size_t buflen, int *errnop)
{
- struct passwd pwd;
- char *p;
- size_t plen;
-
if (!nss_getpwnam_r)
return NSS_STATUS_UNAVAIL;
+ struct passwd pwd;
memset (&pwd, '\0', sizeof (struct passwd));
copy_pwd_changes (&pwd, result, NULL, 0);
- plen = pwd_need_buflen (&pwd);
+ size_t plen = pwd_need_buflen (&pwd);
if (plen > buflen)
{
*errnop = ERANGE;
return NSS_STATUS_TRYAGAIN;
}
- p = buffer + (buflen - plen);
+ char *p = buffer + (buflen - plen);
buflen -= plen;
- if (nss_getpwnam_r (name, result, buffer, buflen, errnop) !=
- NSS_STATUS_SUCCESS)
- return NSS_STATUS_NOTFOUND;
+ enum nss_status status = nss_getpwnam_r (name, result, buffer, buflen,
+ errnop);
+ if (status != NSS_STATUS_SUCCESS)
+ return status;
if (in_blacklist (result->pw_name, strlen (result->pw_name), ent))
return NSS_STATUS_NOTFOUND;
@@ -568,8 +573,8 @@ getpwent_next_file (struct passwd *result, ent_t *ent,
{
enum nss_status status;
- ent->netgroup = TRUE;
- ent->first = TRUE;
+ ent->netgroup = true;
+ ent->first = true;
copy_pwd_changes (&ent->pwd, result, NULL, 0);
status = getpwent_next_nss_netgr (NULL, result, ent,
@@ -624,8 +629,8 @@ getpwent_next_file (struct passwd *result, ent_t *ent,
/* +:... */
if (result->pw_name[0] == '+' && result->pw_name[1] == '\0')
{
- ent->files = FALSE;
- ent->first = TRUE;
+ ent->files = false;
+ ent->first = true;
copy_pwd_changes (&ent->pwd, result, NULL, 0);
return getpwent_next_nss (result, ent, buffer, buflen, errnop);
@@ -673,7 +678,7 @@ _nss_compat_getpwent_r (struct passwd *pwd, char *buffer, size_t buflen,
init_nss_interface ();
if (ext_ent.stream == NULL)
- result = internal_setpwent (&ext_ent, 1);
+ result = internal_setpwent (&ext_ent, 1, 1);
if (result == NSS_STATUS_SUCCESS)
result = internal_getpwent_r (pwd, &ext_ent, buffer, buflen, errnop);
@@ -825,8 +830,8 @@ _nss_compat_getpwnam_r (const char *name, struct passwd *pwd,
char *buffer, size_t buflen, int *errnop)
{
enum nss_status result;
- ent_t ent = {0, 0, TRUE, NULL, {NULL, 0, 0},
- {NULL, NULL, 0, 0, NULL, NULL, NULL}};
+ ent_t ent = { false, false, true, NSS_STATUS_SUCCESS, NULL, { NULL, 0, 0 },
+ { NULL, NULL, 0, 0, NULL, NULL, NULL }};
if (name[0] == '-' || name[0] == '+')
return NSS_STATUS_NOTFOUND;
@@ -838,7 +843,7 @@ _nss_compat_getpwnam_r (const char *name, struct passwd *pwd,
__libc_lock_unlock (lock);
- result = internal_setpwent (&ent, 0);
+ result = internal_setpwent (&ent, 0, 0);
if (result == NSS_STATUS_SUCCESS)
result = internal_getpwnam_r (name, pwd, &ent, buffer, buflen, errnop);
@@ -1067,8 +1072,8 @@ _nss_compat_getpwuid_r (uid_t uid, struct passwd *pwd,
char *buffer, size_t buflen, int *errnop)
{
enum nss_status result;
- ent_t ent = {0, 0, TRUE, NULL, {NULL, 0, 0},
- {NULL, NULL, 0, 0, NULL, NULL, NULL}};
+ ent_t ent = { false, false, true, NSS_STATUS_SUCCESS, NULL, { NULL, 0, 0 },
+ { NULL, NULL, 0, 0, NULL, NULL, NULL }};
__libc_lock_lock (lock);
@@ -1077,7 +1082,7 @@ _nss_compat_getpwuid_r (uid_t uid, struct passwd *pwd,
__libc_lock_unlock (lock);
- result = internal_setpwent (&ent, 0);
+ result = internal_setpwent (&ent, 0, 0);
if (result == NSS_STATUS_SUCCESS)
result = internal_getpwuid_r (uid, pwd, &ent, buffer, buflen, errnop);
@@ -1134,7 +1139,7 @@ blacklist_store_name (const char *name, ent_t *ent)
return;
}
-/* returns TRUE if ent->blacklist contains name, else FALSE */
+/* Returns TRUE if ent->blacklist contains name, else FALSE. */
static bool_t
in_blacklist (const char *name, int namelen, ent_t *ent)
{
diff --git a/nis/nss_compat/compat-spwd.c b/nis/nss_compat/compat-spwd.c
index 4ca6368139..d1de3f75b0 100644
--- a/nis/nss_compat/compat-spwd.c
+++ b/nis/nss_compat/compat-spwd.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1996-1999,2001,2002,2003,2004 Free Software Foundation, Inc.
+/* Copyright (C) 1996-1999,2001-2005,2006 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Thorsten Kukuk <kukuk@vt.uni-paderborn.de>, 1996.
@@ -59,9 +59,10 @@ struct blacklist_t
struct ent_t
{
- bool_t netgroup;
- bool_t files;
- bool_t first;
+ bool netgroup;
+ bool files;
+ bool first;
+ enum nss_status setent_status;
FILE *stream;
struct blacklist_t blacklist;
struct spwd pwd;
@@ -69,8 +70,9 @@ struct ent_t
};
typedef struct ent_t ent_t;
-static ent_t ext_ent = {0, TRUE, 0, NULL, {NULL, 0, 0},
- {NULL, NULL, 0, 0, 0, 0, 0, 0, 0}};
+static ent_t ext_ent = { false, true, false, NSS_STATUS_SUCCESS, NULL,
+ { NULL, 0, 0},
+ { NULL, NULL, 0, 0, 0, 0, 0, 0, 0}};
/* Protect global state against multiple changers. */
__libc_lock_define_initialized (static, lock)
@@ -161,7 +163,7 @@ internal_setspent (ent_t *ent, int stayopen)
enum nss_status status = NSS_STATUS_SUCCESS;
ent->first = ent->netgroup = 0;
- ent->files = TRUE;
+ ent->files = true;
/* If something was left over free it. */
if (ent->netgroup)
@@ -212,7 +214,7 @@ internal_setspent (ent_t *ent, int stayopen)
give_spwd_free (&ent->pwd);
if (status == NSS_STATUS_SUCCESS && nss_setspent)
- return nss_setspent (stayopen);
+ ent->setent_status = nss_setspent (stayopen);
return status;
}
@@ -251,8 +253,8 @@ internal_endspent (ent_t *ent)
if (ent->netgroup)
__internal_endnetgrent (&ent->netgrdata);
- ent->first = ent->netgroup = FALSE;
- ent->files = TRUE;
+ ent->first = ent->netgroup = false;
+ ent->files = true;
if (ent->blacklist.data != NULL)
{
@@ -294,19 +296,23 @@ getspent_next_nss_netgr (const char *name, struct spwd *result, ent_t *ent,
if (!nss_getspnam_r)
return NSS_STATUS_UNAVAIL;
+ /* If the setpwent call failed, say so. */
+ if (ent->setent_status != NSS_STATUS_SUCCESS)
+ return ent->setent_status;
+
if (yp_get_default_domain (&curdomain) != YPERR_SUCCESS)
{
- ent->netgroup = FALSE;
- ent->first = FALSE;
+ ent->netgroup = false;
+ ent->first = false;
give_spwd_free (&ent->pwd);
return NSS_STATUS_UNAVAIL;
}
- if (ent->first == TRUE)
+ if (ent->first == true)
{
memset (&ent->netgrdata, 0, sizeof (struct __netgrent));
__internal_setnetgrent (group, &ent->netgrdata);
- ent->first = FALSE;
+ ent->first = false;
}
while (1)
@@ -321,7 +327,7 @@ getspent_next_nss_netgr (const char *name, struct spwd *result, ent_t *ent,
if (status != 1)
{
__internal_endnetgrent (&ent->netgrdata);
- ent->netgroup = FALSE;
+ ent->netgroup = false;
give_spwd_free (&ent->pwd);
return NSS_STATUS_RETURN;
}
@@ -396,18 +402,16 @@ getspent_next_nss (struct spwd *result, ent_t *ent,
return NSS_STATUS_SUCCESS;
}
+
/* This function handle the +user entrys in /etc/shadow */
static enum nss_status
getspnam_plususer (const char *name, struct spwd *result, ent_t *ent,
char *buffer, size_t buflen, int *errnop)
{
- struct spwd pwd;
- char *p;
- size_t plen;
-
if (!nss_getspnam_r)
return NSS_STATUS_UNAVAIL;
+ struct spwd pwd;
memset (&pwd, '\0', sizeof (struct spwd));
pwd.sp_warn = -1;
pwd.sp_inact = -1;
@@ -416,18 +420,19 @@ getspnam_plususer (const char *name, struct spwd *result, ent_t *ent,
copy_spwd_changes (&pwd, result, NULL, 0);
- plen = spwd_need_buflen (&pwd);
+ size_t plen = spwd_need_buflen (&pwd);
if (plen > buflen)
{
*errnop = ERANGE;
return NSS_STATUS_TRYAGAIN;
}
- p = buffer + (buflen - plen);
+ char *p = buffer + (buflen - plen);
buflen -= plen;
- if (nss_getspnam_r (name, result, buffer, buflen, errnop) !=
- NSS_STATUS_SUCCESS)
- return NSS_STATUS_NOTFOUND;
+ enum nss_status status = nss_getspnam_r (name, result, buffer, buflen,
+ errnop);
+ if (status != NSS_STATUS_SUCCESS)
+ return status;
if (in_blacklist (result->sp_namp, strlen (result->sp_namp), ent))
return NSS_STATUS_NOTFOUND;
@@ -438,6 +443,7 @@ getspnam_plususer (const char *name, struct spwd *result, ent_t *ent,
return NSS_STATUS_SUCCESS;
}
+
static enum nss_status
getspent_next_file (struct spwd *result, ent_t *ent,
char *buffer, size_t buflen, int *errnop)
@@ -518,8 +524,8 @@ getspent_next_file (struct spwd *result, ent_t *ent,
{
int status;
- ent->netgroup = TRUE;
- ent->first = TRUE;
+ ent->netgroup = true;
+ ent->first = true;
copy_spwd_changes (&ent->pwd, result, NULL, 0);
status = getspent_next_nss_netgr (NULL, result, ent,
@@ -575,8 +581,8 @@ getspent_next_file (struct spwd *result, ent_t *ent,
/* +:... */
if (result->sp_namp[0] == '+' && result->sp_namp[1] == '\0')
{
- ent->files = FALSE;
- ent->first = TRUE;
+ ent->files = false;
+ ent->first = true;
copy_spwd_changes (&ent->pwd, result, NULL, 0);
return getspent_next_nss (result, ent, buffer, buflen, errnop);
@@ -611,6 +617,7 @@ internal_getspent_r (struct spwd *pw, ent_t *ent,
return getspent_next_nss (pw, ent, buffer, buflen, errnop);
}
+
enum nss_status
_nss_compat_getspent_r (struct spwd *pwd, char *buffer, size_t buflen,
int *errnop)
@@ -634,6 +641,7 @@ _nss_compat_getspent_r (struct spwd *pwd, char *buffer, size_t buflen,
return result;
}
+
/* Searches in /etc/passwd and the NIS/NIS+ map for a special user */
static enum nss_status
internal_getspnam_r (const char *name, struct spwd *result, ent_t *ent,
@@ -776,13 +784,14 @@ internal_getspnam_r (const char *name, struct spwd *result, ent_t *ent,
return NSS_STATUS_SUCCESS;
}
+
enum nss_status
_nss_compat_getspnam_r (const char *name, struct spwd *pwd,
char *buffer, size_t buflen, int *errnop)
{
enum nss_status result;
- ent_t ent = {0, TRUE, 0, NULL, {NULL, 0, 0},
- {NULL, NULL, 0, 0, 0, 0, 0, 0, 0}};
+ ent_t ent = { false, true, false, NSS_STATUS_SUCCESS, NULL, { NULL, 0, 0},
+ { NULL, NULL, 0, 0, 0, 0, 0, 0, 0}};
if (name[0] == '-' || name[0] == '+')
return NSS_STATUS_NOTFOUND;
@@ -804,6 +813,7 @@ _nss_compat_getspnam_r (const char *name, struct spwd *pwd,
return result;
}
+
/* Support routines for remembering -@netgroup and -user entries.
The names are stored in a single string with `|' as separator. */
static void
@@ -850,6 +860,7 @@ blacklist_store_name (const char *name, ent_t *ent)
return;
}
+
/* Returns TRUE if ent->blacklist contains name, else FALSE. */
static bool_t
in_blacklist (const char *name, int namelen, ent_t *ent)
@@ -858,7 +869,7 @@ in_blacklist (const char *name, int namelen, ent_t *ent)
char *cp;
if (ent->blacklist.data == NULL)
- return FALSE;
+ return false;
buf[0] = '|';
cp = stpcpy (&buf[1], name);
diff --git a/nis/nss_nis/nis-alias.c b/nis/nss_nis/nis-alias.c
index 3b0887be04..9286e36ba6 100644
--- a/nis/nss_nis/nis-alias.c
+++ b/nis/nss_nis/nis-alias.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1996-2002, 2003 Free Software Foundation, Inc.
+/* Copyright (C) 1996-2002, 2003, 2006 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Thorsten Kukuk <kukuk@vt.uni-paderborn.de>, 1996.
@@ -125,52 +125,53 @@ internal_nis_getaliasent_r (struct aliasent *alias, char *buffer,
size_t buflen, int *errnop)
{
char *domain;
- char *result;
- int len;
- char *outkey;
- int keylen;
- char *p;
- int parse_res;
- if (yp_get_default_domain (&domain))
+ if (__builtin_expect (yp_get_default_domain (&domain), 0))
return NSS_STATUS_UNAVAIL;
alias->alias_local = 0;
/* Get the next entry until we found a correct one. */
+ int parse_res;
do
{
- enum nss_status retval;
+ char *result;
+ int len;
+ char *outkey;
+ int keylen;
+ int yperr;
if (new_start)
- retval = yperr2nss (yp_first (domain, "mail.aliases",
- &outkey, &keylen, &result, &len));
+ yperr = yp_first (domain, "mail.aliases", &outkey, &keylen, &result,
+ &len);
else
- retval = yperr2nss ( yp_next (domain, "mail.aliases", oldkey,
- oldkeylen, &outkey, &keylen,
- &result, &len));
- if (retval != NSS_STATUS_SUCCESS)
+ yperr = yp_next (domain, "mail.aliases", oldkey, oldkeylen, &outkey,
+ &keylen, &result, &len);
+
+ if (__builtin_expect (yperr != YPERR_SUCCESS, 0))
{
+ enum nss_status retval = yperr2nss (yperr);
+
if (retval == NSS_STATUS_TRYAGAIN)
*errnop = errno;
return retval;
}
- if ((size_t) (len + 1) > buflen)
+ if (__builtin_expect ((size_t) (len + 1) > buflen, 0))
{
free (result);
*errnop = ERANGE;
return NSS_STATUS_TRYAGAIN;
}
- p = strncpy (buffer, result, len);
+ char *p = strncpy (buffer, result, len);
buffer[len] = '\0';
while (isspace (*p))
++p;
free (result);
- parse_res = _nss_nis_parse_aliasent (outkey, p, alias, buffer, buflen,
- errnop);
- if (parse_res == -1)
+ parse_res = _nss_nis_parse_aliasent (outkey, p, alias, buffer,
+ buflen, errnop);
+ if (__builtin_expect (parse_res == -1, 0))
{
free (outkey);
*errnop = ERANGE;
@@ -206,56 +207,55 @@ enum nss_status
_nss_nis_getaliasbyname_r (const char *name, struct aliasent *alias,
char *buffer, size_t buflen, int *errnop)
{
- enum nss_status retval;
- int parse_res;
- char *domain;
- char *result;
- int len;
- char *p;
- size_t namlen = strlen (name);
- char name2[namlen + 1];
- size_t i;
-
if (name == NULL)
{
*errnop = EINVAL;
return NSS_STATUS_UNAVAIL;
}
- if (yp_get_default_domain (&domain))
+ size_t namlen = strlen (name);
+ char name2[namlen + 1];
+
+ char *domain;
+ if (__builtin_expect (yp_get_default_domain (&domain), 0))
return NSS_STATUS_UNAVAIL;
/* Convert name to lowercase. */
+ size_t i;
for (i = 0; i < namlen; ++i)
name2[i] = _tolower (name[i]);
name2[i] = '\0';
- retval = yperr2nss (yp_match (domain, "mail.aliases", name2, namlen,
- &result, &len));
+ char *result;
+ int len;
+ int yperr = yp_match (domain, "mail.aliases", name2, namlen, &result, &len);
- if (retval != NSS_STATUS_SUCCESS)
+ if (__builtin_expect (yperr != YPERR_SUCCESS, 0))
{
+ enum nss_status retval = yperr2nss (yperr);
+
if (retval == NSS_STATUS_TRYAGAIN)
*errnop = errno;
return retval;
}
- if ((size_t) (len + 1) > buflen)
+ if (__builtin_expect ((size_t) (len + 1) > buflen, 0))
{
free (result);
*errnop = ERANGE;
return NSS_STATUS_TRYAGAIN;
}
- p = strncpy (buffer, result, len);
+ char *p = strncpy (buffer, result, len);
buffer[len] = '\0';
while (isspace (*p))
++p;
free (result);
alias->alias_local = 0;
- parse_res = _nss_nis_parse_aliasent (name, p, alias, buffer, buflen, errnop);
- if (parse_res < 1)
+ int parse_res = _nss_nis_parse_aliasent (name, p, alias, buffer, buflen,
+ errnop);
+ if (__builtin_expect (parse_res < 1, 0))
{
if (parse_res == -1)
return NSS_STATUS_TRYAGAIN;
diff --git a/nis/nss_nis/nis-ethers.c b/nis/nss_nis/nis-ethers.c
index def4c22510..a3064282ab 100644
--- a/nis/nss_nis/nis-ethers.c
+++ b/nis/nss_nis/nis-ethers.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1996-2003, 2004 Free Software Foundation, Inc.
+/* Copyright (C) 1996-2003, 2004, 2006 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Thorsten Kukuk <kukuk@suse.de>, 1996.
@@ -182,45 +182,46 @@ enum nss_status
_nss_nis_gethostton_r (const char *name, struct etherent *eth,
char *buffer, size_t buflen, int *errnop)
{
- struct parser_data *data = (void *) buffer;
- enum nss_status retval;
- char *domain, *result, *p;
- int len, parse_res;
-
if (name == NULL)
{
*errnop = EINVAL;
return NSS_STATUS_UNAVAIL;
}
- if (yp_get_default_domain (&domain))
+ char *domain;
+ if (__builtin_expect (yp_get_default_domain (&domain), 0))
return NSS_STATUS_UNAVAIL;
- retval = yperr2nss (yp_match (domain, "ethers.byname", name,
- strlen (name), &result, &len));
+ char *result;
+ int len;
+ int yperr = yp_match (domain, "ethers.byname", name, strlen (name), &result,
+ &len);
- if (retval != NSS_STATUS_SUCCESS)
+ if (__builtin_expect (yperr != YPERR_SUCCESS, 0))
{
+ enum nss_status retval = yperr2nss (yperr);
+
if (retval == NSS_STATUS_TRYAGAIN)
*errnop = errno;
return retval;
}
- if ((size_t) (len + 1) > buflen)
+ if (__builtin_expect ((size_t) (len + 1) > buflen, 0))
{
free (result);
*errnop = ERANGE;
return NSS_STATUS_TRYAGAIN;
}
- p = strncpy (buffer, result, len);
+ char *p = strncpy (buffer, result, len);
buffer[len] = '\0';
while (isspace (*p))
++p;
free (result);
- parse_res = _nss_files_parse_etherent (p, eth, data, buflen, errnop);
- if (parse_res < 1)
+ int parse_res = _nss_files_parse_etherent (p, eth, (void *) buffer, buflen,
+ errnop);
+ if (__builtin_expect (parse_res < 1, 0))
{
if (parse_res == -1)
return NSS_STATUS_TRYAGAIN;
@@ -234,54 +235,54 @@ enum nss_status
_nss_nis_getntohost_r (const struct ether_addr *addr, struct etherent *eth,
char *buffer, size_t buflen, int *errnop)
{
- struct parser_data *data = (void *) buffer;
- enum nss_status retval;
- char *domain, *result, *p;
- int len, nlen, parse_res;
- char buf[33];
-
if (addr == NULL)
{
*errnop = EINVAL;
return NSS_STATUS_UNAVAIL;
}
- if (yp_get_default_domain (&domain))
+ char *domain;
+ if (__builtin_expect (yp_get_default_domain (&domain), 0))
return NSS_STATUS_UNAVAIL;
- nlen = sprintf (buf, "%x:%x:%x:%x:%x:%x",
- (int) addr->ether_addr_octet[0],
- (int) addr->ether_addr_octet[1],
- (int) addr->ether_addr_octet[2],
- (int) addr->ether_addr_octet[3],
- (int) addr->ether_addr_octet[4],
- (int) addr->ether_addr_octet[5]);
-
- retval = yperr2nss (yp_match (domain, "ethers.byaddr", buf,
- nlen, &result, &len));
-
- if (retval != NSS_STATUS_SUCCESS)
+ char buf[33];
+ int nlen = snprintf (buf, sizeof (buf), "%x:%x:%x:%x:%x:%x",
+ (int) addr->ether_addr_octet[0],
+ (int) addr->ether_addr_octet[1],
+ (int) addr->ether_addr_octet[2],
+ (int) addr->ether_addr_octet[3],
+ (int) addr->ether_addr_octet[4],
+ (int) addr->ether_addr_octet[5]);
+
+ char *result;
+ int len;
+ int yperr = yp_match (domain, "ethers.byaddr", buf, nlen, &result, &len);
+
+ if (__builtin_expect (yperr != YPERR_SUCCESS, 0))
{
+ enum nss_status retval = yperr2nss (yperr);
+
if (retval == NSS_STATUS_TRYAGAIN)
*errnop = errno;
return retval;
}
- if ((size_t) (len + 1) > buflen)
+ if (__builtin_expect ((size_t) (len + 1) > buflen, 0))
{
free (result);
*errnop = ERANGE;
return NSS_STATUS_TRYAGAIN;
}
- p = strncpy (buffer, result, len);
+ char *p = strncpy (buffer, result, len);
buffer[len] = '\0';
while (isspace (*p))
++p;
free (result);
- parse_res = _nss_files_parse_etherent (p, eth, data, buflen, errnop);
- if (parse_res < 1)
+ int parse_res = _nss_files_parse_etherent (p, eth, (void *) buffer, buflen,
+ errnop);
+ if (__builtin_expect (parse_res < 1, 0))
{
if (parse_res == -1)
return NSS_STATUS_TRYAGAIN;
diff --git a/nis/nss_nis/nis-grp.c b/nis/nss_nis/nis-grp.c
index 8be7332515..6e36cf828f 100644
--- a/nis/nss_nis/nis-grp.c
+++ b/nis/nss_nis/nis-grp.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1996-1999, 2001-2003, 2004 Free Software Foundation, Inc.
+/* Copyright (C) 1996-1999, 2001-2004, 2006 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Thorsten Kukuk <kukuk@suse.de>, 1996.
@@ -17,20 +17,17 @@
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
-#include <nss.h>
-/* The following is an ugly trick to avoid a prototype declaration for
- _nss_nis_endgrent. */
-#define _nss_nis_endgrent _nss_nis_endgrent_XXX
-#include <grp.h>
-#undef _nss_nis_endgrent
#include <ctype.h>
#include <errno.h>
+#include <grp.h>
+#include <nss.h>
#include <string.h>
#include <bits/libc-lock.h>
#include <rpcsvc/yp.h>
#include <rpcsvc/ypclnt.h>
#include "nss-nis.h"
+#include <libnsl.h>
/* Get the declaration of the parser function. */
#define ENTNAME grent
@@ -44,12 +41,12 @@ __libc_lock_define_initialized (static, lock)
static bool_t new_start = 1;
static char *oldkey;
static int oldkeylen;
+static intern_t intern;
-enum nss_status
-_nss_nis_setgrent (int stayopen)
-{
- __libc_lock_lock (lock);
+static void
+internal_nis_endgrent (void)
+{
new_start = 1;
if (oldkey != NULL)
{
@@ -58,72 +55,186 @@ _nss_nis_setgrent (int stayopen)
oldkeylen = 0;
}
+ struct response_t *curr = intern.next;
+
+ while (curr != NULL)
+ {
+ struct response_t *last = curr;
+ curr = curr->next;
+ free (last);
+ }
+
+ intern.next = intern.start = NULL;
+}
+
+
+enum nss_status
+_nss_nis_endgrent (void)
+{
+ __libc_lock_lock (lock);
+
+ internal_nis_endgrent ();
+
__libc_lock_unlock (lock);
return NSS_STATUS_SUCCESS;
}
-/* Make _nss_nis_endgrent an alias of _nss_nis_setgrent. We do this
- even though the prototypes don't match. The argument of setgrent
- is not used so this makes no difference. */
-strong_alias (_nss_nis_setgrent, _nss_nis_endgrent)
+
+
+enum nss_status
+internal_nis_setgrent (void)
+{
+ /* We have to read all the data now. */
+ char *domain;
+ if (__builtin_expect (yp_get_default_domain (&domain), 0))
+ return NSS_STATUS_UNAVAIL;
+
+ struct ypall_callback ypcb;
+
+ ypcb.foreach = _nis_saveit;
+ ypcb.data = (char *) &intern;
+ enum nss_status status = yperr2nss (yp_all (domain, "group.byname", &ypcb));
+
+
+ /* Mark the last buffer as full. */
+ if (intern.next != NULL)
+ intern.next->size = intern.offset;
+
+ intern.next = intern.start;
+ intern.offset = 0;
+
+ return status;
+}
+
+
+enum nss_status
+_nss_nis_setgrent (int stayopen)
+{
+ enum nss_status result = NSS_STATUS_SUCCESS;
+
+ __libc_lock_lock (lock);
+
+ internal_nis_endgrent ();
+
+ if (_nsl_default_nss () & NSS_FLAG_SETENT_BATCH_READ)
+ result = internal_nis_setgrent ();
+
+ __libc_lock_unlock (lock);
+
+ return result;
+}
+
static enum nss_status
internal_nis_getgrent_r (struct group *grp, char *buffer, size_t buflen,
int *errnop)
{
- struct parser_data *data = (void *) buffer;
- char *domain, *result, *outkey;
- int len, keylen, parse_res;
+ /* If we read the entire database at setpwent time we just iterate
+ over the data we have in memory. */
+ bool batch_read = intern.start != NULL;
- if (yp_get_default_domain (&domain))
+ char *domain = NULL;
+ if (!batch_read && __builtin_expect (yp_get_default_domain (&domain), 0))
return NSS_STATUS_UNAVAIL;
/* Get the next entry until we found a correct one. */
+ int parse_res;
do
{
- enum nss_status retval;
- char *p;
+ char *result;
+ char *outkey;
+ int len;
+ int keylen;
- if (new_start)
- retval = yperr2nss (yp_first (domain, "group.byname",
- &outkey, &keylen, &result, &len));
- else
- retval = yperr2nss ( yp_next (domain, "group.byname",
- oldkey, oldkeylen,
- &outkey, &keylen, &result, &len));
+ if (batch_read)
+ {
+ struct response_t *bucket;
- if (retval != NSS_STATUS_SUCCESS)
- {
- if (retval == NSS_STATUS_TRYAGAIN)
- *errnop = errno;
- return retval;
- }
+ handle_batch_read:
+ bucket = intern.next;
+
+ if (__builtin_expect (intern.offset >= bucket->size, 0))
+ {
+ if (bucket->next == NULL)
+ return NSS_STATUS_NOTFOUND;
+
+ /* We look at all the content in the current bucket. Go on
+ to the next. */
+ bucket = intern.next = bucket->next;
+ intern.offset = 0;
+ }
- if ((size_t) (len + 1) > buflen)
+ for (result = &bucket->mem[intern.offset]; isspace (*result);
+ ++result)
+ ++intern.offset;
+
+ len = strlen (result);
+ }
+ else
+ {
+ int yperr;
+
+ if (new_start)
+ {
+ /* Maybe we should read the database in one piece. */
+ if ((_nsl_default_nss () & NSS_FLAG_SETENT_BATCH_READ)
+ && internal_nis_setgrent () == NSS_STATUS_SUCCESS
+ && intern.start != NULL)
+ {
+ batch_read = true;
+ goto handle_batch_read;
+ }
+
+ yperr = yp_first (domain, "group.byname", &outkey, &keylen,
+ &result, &len);
+ }
+ else
+ yperr = yp_next (domain, "group.byname", oldkey, oldkeylen,
+ &outkey, &keylen, &result, &len);
+
+ if (__builtin_expect (yperr != YPERR_SUCCESS, 0))
+ {
+ enum nss_status retval = yperr2nss (yperr);
+
+ if (retval == NSS_STATUS_TRYAGAIN)
+ *errnop = errno;
+ return retval;
+ }
+ }
+
+ if (__builtin_expect ((size_t) (len + 1) > buflen, 0))
{
free (result);
*errnop = ERANGE;
return NSS_STATUS_TRYAGAIN;
}
- p = strncpy (buffer, result, len);
+ char *p = strncpy (buffer, result, len);
buffer[len] = '\0';
while (isspace (*p))
++p;
- free (result);
+ if (!batch_read)
+ free (result);
- parse_res = _nss_files_parse_grent (p, grp, data, buflen, errnop);
- if (parse_res == -1)
+ parse_res = _nss_files_parse_grent (p, grp, (void *) buffer, buflen,
+ errnop);
+ if (__builtin_expect (parse_res == -1, 0))
{
- free (outkey);
+ if (!batch_read)
+ free (outkey);
*errnop = ERANGE;
return NSS_STATUS_TRYAGAIN;
}
- free (oldkey);
- oldkey = outkey;
- oldkeylen = keylen;
- new_start = 0;
+ if (batch_read)
+ intern.offset += len + 1;
+ else
+ {
+ free (oldkey);
+ oldkey = outkey;
+ oldkeylen = keylen;
+ new_start = 0;
+ }
}
while (parse_res < 1);
@@ -149,45 +260,46 @@ enum nss_status
_nss_nis_getgrnam_r (const char *name, struct group *grp,
char *buffer, size_t buflen, int *errnop)
{
- struct parser_data *data = (void *) buffer;
- enum nss_status retval;
- char *domain, *result, *p;
- int len, parse_res;
-
if (name == NULL)
{
*errnop = EINVAL;
return NSS_STATUS_UNAVAIL;
}
- if (yp_get_default_domain (&domain))
+ char *domain;
+ if (__builtin_expect (yp_get_default_domain (&domain), 0))
return NSS_STATUS_UNAVAIL;
- retval = yperr2nss (yp_match (domain, "group.byname", name,
- strlen (name), &result, &len));
+ char *result;
+ int len;
+ int yperr = yp_match (domain, "group.byname", name, strlen (name), &result,
+ &len);
- if (retval != NSS_STATUS_SUCCESS)
+ if (__builtin_expect (yperr != YPERR_SUCCESS, 0))
{
+ enum nss_status retval = yperr2nss (yperr);
+
if (retval == NSS_STATUS_TRYAGAIN)
*errnop = errno;
return retval;
}
- if ((size_t) (len + 1) > buflen)
+ if (__builtin_expect ((size_t) (len + 1) > buflen, 0))
{
free (result);
*errnop = ERANGE;
return NSS_STATUS_TRYAGAIN;
}
- p = strncpy (buffer, result, len);
+ char *p = strncpy (buffer, result, len);
buffer[len] = '\0';
while (isspace (*p))
++p;
free (result);
- parse_res = _nss_files_parse_grent (p, grp, data, buflen, errnop);
- if (parse_res < 1)
+ int parse_res = _nss_files_parse_grent (p, grp, (void *) buffer, buflen,
+ errnop);
+ if (__builtin_expect (parse_res < 1, 0))
{
if (parse_res == -1)
return NSS_STATUS_TRYAGAIN;
@@ -201,42 +313,42 @@ enum nss_status
_nss_nis_getgrgid_r (gid_t gid, struct group *grp,
char *buffer, size_t buflen, int *errnop)
{
- struct parser_data *data = (void *) buffer;
- enum nss_status retval;
- char *domain, *result, *p;
- int len, nlen, parse_res;
- char buf[32];
-
- if (yp_get_default_domain (&domain))
+ char *domain;
+ if (__builtin_expect (yp_get_default_domain (&domain), 0))
return NSS_STATUS_UNAVAIL;
- nlen = sprintf (buf, "%lu", (unsigned long int) gid);
+ char buf[32];
+ int nlen = sprintf (buf, "%lu", (unsigned long int) gid);
- retval = yperr2nss (yp_match (domain, "group.bygid", buf,
- nlen, &result, &len));
+ char *result;
+ int len;
+ int yperr = yp_match (domain, "group.bygid", buf, nlen, &result, &len);
- if (retval != NSS_STATUS_SUCCESS)
+ if (__builtin_expect (yperr != YPERR_SUCCESS, 0))
{
+ enum nss_status retval = yperr2nss (yperr);
+
if (retval == NSS_STATUS_TRYAGAIN)
*errnop = errno;
return retval;
}
- if ((size_t) (len + 1) > buflen)
+ if (__builtin_expect ((size_t) (len + 1) > buflen, 0))
{
free (result);
*errnop = ERANGE;
return NSS_STATUS_TRYAGAIN;
}
- p = strncpy (buffer, result, len);
+ char *p = strncpy (buffer, result, len);
buffer[len] = '\0';
while (isspace (*p))
++p;
free (result);
- parse_res = _nss_files_parse_grent (p, grp, data, buflen, errnop);
- if (parse_res < 1)
+ int parse_res = _nss_files_parse_grent (p, grp, (void *) buffer, buflen,
+ errnop);
+ if (__builtin_expect (parse_res < 1, 0))
{
if (parse_res == -1)
return NSS_STATUS_TRYAGAIN;
diff --git a/nis/nss_nis/nis-hosts.c b/nis/nss_nis/nis-hosts.c
index 58a9064f14..bde0a3291f 100644
--- a/nis/nss_nis/nis-hosts.c
+++ b/nis/nss_nis/nis-hosts.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1996-2000, 2002, 2003 Free Software Foundation, Inc.
+/* Copyright (C) 1996-2000, 2002, 2003, 2006, 2007 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Thorsten Kukuk <kukuk@suse.de>, 1996.
@@ -131,39 +131,42 @@ internal_nis_gethostent_r (struct hostent *host, char *buffer,
int af, int flags)
{
char *domain;
- char *result;
- int len, parse_res;
- char *outkey;
- int keylen;
- struct parser_data *data = (void *) buffer;
- size_t linebuflen = buffer + buflen - data->linebuffer;
-
- if (yp_get_default_domain (&domain))
+ if (__builtin_expect (yp_get_default_domain (&domain), 0))
return NSS_STATUS_UNAVAIL;
- if (buflen < sizeof *data + 1)
+ uintptr_t pad = -(uintptr_t) buffer % __alignof__ (struct parser_data);
+ buffer += pad;
+
+ struct parser_data *data = (void *) buffer;
+ if (__builtin_expect (buflen < sizeof *data + 1 + pad, 0))
{
*errnop = ERANGE;
*h_errnop = NETDB_INTERNAL;
return NSS_STATUS_TRYAGAIN;
}
+ buflen -= pad;
/* Get the next entry until we found a correct one. */
+ const size_t linebuflen = buffer + buflen - data->linebuffer;
+ int parse_res;
do
{
- enum nss_status retval;
- char *p;
-
+ char *result;
+ int len;
+ char *outkey;
+ int keylen;
+ int yperr;
if (new_start)
- retval = yperr2nss (yp_first (domain, "hosts.byname",
- &outkey, &keylen, &result, &len));
+ yperr = yp_first (domain, "hosts.byname", &outkey, &keylen, &result,
+ &len);
else
- retval = yperr2nss ( yp_next (domain, "hosts.byname",
- oldkey, oldkeylen,
- &outkey, &keylen, &result, &len));
+ yperr = yp_next (domain, "hosts.byname", oldkey, oldkeylen, &outkey,
+ &keylen, &result, &len);
- if (retval != NSS_STATUS_SUCCESS)
+ if (__builtin_expect (yperr != YPERR_SUCCESS, 0))
{
+ enum nss_status retval = yperr2nss (yperr);
+
switch (retval)
{
case NSS_STATUS_TRYAGAIN:
@@ -180,7 +183,7 @@ internal_nis_gethostent_r (struct hostent *host, char *buffer,
return retval;
}
- if ((size_t) (len + 1) > linebuflen)
+ if (__builtin_expect ((size_t) (len + 1) > linebuflen, 0))
{
free (result);
*h_errnop = NETDB_INTERNAL;
@@ -188,14 +191,14 @@ internal_nis_gethostent_r (struct hostent *host, char *buffer,
return NSS_STATUS_TRYAGAIN;
}
- p = strncpy (data->linebuffer, result, len);
+ char *p = strncpy (data->linebuffer, result, len);
data->linebuffer[len] = '\0';
while (isspace (*p))
++p;
free (result);
parse_res = parse_line (p, host, data, buflen, errnop, af, flags);
- if (parse_res == -1)
+ if (__builtin_expect (parse_res == -1, 0))
{
free (outkey);
*h_errnop = NETDB_INTERNAL;
@@ -235,11 +238,10 @@ internal_gethostbyname2_r (const char *name, int af, struct hostent *host,
char *buffer, size_t buflen, int *errnop,
int *h_errnop, int flags)
{
- enum nss_status retval;
- char *domain, *result, *p;
- int len, parse_res;
+ uintptr_t pad = -(uintptr_t) buffer % __alignof__ (struct parser_data);
+ buffer += pad;
+
struct parser_data *data = (void *) buffer;
- size_t linebuflen = buffer + buflen - data->linebuffer;
if (name == NULL)
{
@@ -247,33 +249,35 @@ internal_gethostbyname2_r (const char *name, int af, struct hostent *host,
return NSS_STATUS_UNAVAIL;
}
+ char *domain;
if (yp_get_default_domain (&domain))
return NSS_STATUS_UNAVAIL;
- if (buflen < sizeof *data + 1)
+ if (buflen < sizeof *data + 1 + pad)
{
*h_errnop = NETDB_INTERNAL;
*errnop = ERANGE;
return NSS_STATUS_TRYAGAIN;
}
- else
- {
- /* Convert name to lowercase. */
- size_t namlen = strlen (name);
- char name2[namlen + 1];
- size_t i;
+ buflen -= pad;
- for (i = 0; i < namlen; ++i)
- name2[i] = tolower (name[i]);
- name2[i] = '\0';
+ /* Convert name to lowercase. */
+ size_t namlen = strlen (name);
+ char name2[namlen + 1];
+ size_t i;
- retval = yperr2nss (yp_match (domain, "hosts.byname", name2,
- namlen, &result, &len));
+ for (i = 0; i < namlen; ++i)
+ name2[i] = tolower (name[i]);
+ name2[i] = '\0';
- }
+ char *result;
+ int len;
+ int yperr = yp_match (domain, "hosts.byname", name2, namlen, &result, &len);
- if (retval != NSS_STATUS_SUCCESS)
+ if (__builtin_expect (yperr != YPERR_SUCCESS, 0))
{
+ enum nss_status retval = yperr2nss (yperr);
+
if (retval == NSS_STATUS_TRYAGAIN)
{
*h_errnop = TRY_AGAIN;
@@ -284,7 +288,8 @@ internal_gethostbyname2_r (const char *name, int af, struct hostent *host,
return retval;
}
- if ((size_t) (len + 1) > linebuflen)
+ const size_t linebuflen = buffer + buflen - data->linebuffer;
+ if (__builtin_expect ((size_t) (len + 1) > linebuflen, 0))
{
free (result);
*h_errnop = NETDB_INTERNAL;
@@ -292,15 +297,15 @@ internal_gethostbyname2_r (const char *name, int af, struct hostent *host,
return NSS_STATUS_TRYAGAIN;
}
- p = strncpy (data->linebuffer, result, len);
+ char *p = strncpy (data->linebuffer, result, len);
data->linebuffer[len] = '\0';
while (isspace (*p))
++p;
free (result);
- parse_res = parse_line (p, host, data, buflen, errnop, af, flags);
+ int parse_res = parse_line (p, host, data, buflen, errnop, af, flags);
- if (parse_res < 1 || host->h_addrtype != af)
+ if (__builtin_expect (parse_res < 1 || host->h_addrtype != af, 0))
{
if (parse_res == -1)
{
@@ -351,42 +356,46 @@ _nss_nis_gethostbyaddr_r (const void *addr, socklen_t addrlen, int af,
struct hostent *host, char *buffer, size_t buflen,
int *errnop, int *h_errnop)
{
- enum nss_status retval;
- char *domain, *result, *p;
- int len, parse_res;
- char *buf;
- struct parser_data *data = (void *) buffer;
- size_t linebuflen = buffer + buflen - data->linebuffer;
-
- if (yp_get_default_domain (&domain))
+ char *domain;
+ if (__builtin_expect (yp_get_default_domain (&domain), 0))
return NSS_STATUS_UNAVAIL;
- if (buflen < sizeof *data + 1)
+ uintptr_t pad = -(uintptr_t) buffer % __alignof__ (struct parser_data);
+ buffer += pad;
+
+ struct parser_data *data = (void *) buffer;
+ if (__builtin_expect (buflen < sizeof *data + 1 + pad, 0))
{
*errnop = ERANGE;
*h_errnop = NETDB_INTERNAL;
return NSS_STATUS_TRYAGAIN;
}
+ buflen -= pad;
- buf = inet_ntoa (*(const struct in_addr *) addr);
+ char *buf = inet_ntoa (*(const struct in_addr *) addr);
- retval = yperr2nss (yp_match (domain, "hosts.byaddr", buf,
- strlen (buf), &result, &len));
+ char *result;
+ int len;
+ int yperr = yp_match (domain, "hosts.byaddr", buf, strlen (buf), &result,
+ &len);
- if (retval != NSS_STATUS_SUCCESS)
+ if (__builtin_expect (yperr != YPERR_SUCCESS, 0))
{
+ enum nss_status retval = yperr2nss (yperr);
+
if (retval == NSS_STATUS_TRYAGAIN)
{
*h_errnop = TRY_AGAIN;
*errnop = errno;
}
- if (retval == NSS_STATUS_NOTFOUND)
+ else if (retval == NSS_STATUS_NOTFOUND)
*h_errnop = HOST_NOT_FOUND;
return retval;
}
- if ((size_t) (len + 1) > linebuflen)
+ const size_t linebuflen = buffer + buflen - data->linebuffer;
+ if (__builtin_expect ((size_t) (len + 1) > linebuflen, 0))
{
free (result);
*errnop = ERANGE;
@@ -394,15 +403,16 @@ _nss_nis_gethostbyaddr_r (const void *addr, socklen_t addrlen, int af,
return NSS_STATUS_TRYAGAIN;
}
- p = strncpy (data->linebuffer, result, len);
+ char *p = strncpy (data->linebuffer, result, len);
data->linebuffer[len] = '\0';
while (isspace (*p))
++p;
free (result);
- parse_res = parse_line (p, host, data, buflen, errnop, af,
- ((_res.options & RES_USE_INET6) ? AI_V4MAPPED : 0));
- if (parse_res < 1)
+ int parse_res = parse_line (p, host, data, buflen, errnop, af,
+ ((_res.options & RES_USE_INET6)
+ ? AI_V4MAPPED : 0));
+ if (__builtin_expect (parse_res < 1, 0))
{
if (parse_res == -1)
{
diff --git a/nis/nss_nis/nis-initgroups.c b/nis/nss_nis/nis-initgroups.c
index 33a9662b4c..a5a3ba6144 100644
--- a/nis/nss_nis/nis-initgroups.c
+++ b/nis/nss_nis/nis-initgroups.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1998-2000, 2002, 2003, 2004 Free Software Foundation, Inc.
+/* Copyright (C) 1998-2000,2002,2003,2004,2006 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Thorsten Kukuk <kukuk@suse.de>, 1998.
@@ -30,6 +30,7 @@
#include <sys/param.h>
#include "nss-nis.h"
+#include <libnsl.h>
/* Get the declaration of the parser function. */
#define ENTNAME grent
@@ -37,47 +38,6 @@
#define EXTERN_PARSER
#include <nss/nss_files/files-parse.c>
-struct response_t
-{
- struct response_t *next;
- char val[0];
-};
-
-struct intern_t
-{
- struct response_t *start;
- struct response_t *next;
-};
-typedef struct intern_t intern_t;
-
-static int
-saveit (int instatus, char *inkey, int inkeylen, char *inval,
- int invallen, char *indata)
-{
- intern_t *intern = (intern_t *) indata;
-
- if (instatus != YP_TRUE)
- return 1;
-
- if (inkey && inkeylen > 0 && inval && invallen > 0)
- {
- struct response_t *newp = malloc (sizeof (struct response_t)
- + invallen + 1);
- if (newp == NULL)
- return 1; /* We have no error code for out of memory */
-
- if (intern->start == NULL)
- intern->start = newp;
- else
- intern->next->next = newp;
- intern->next = newp;
-
- newp->next = NULL;
- *((char *) mempcpy (newp->val, inval, invallen)) = '\0';
- }
-
- return 0;
-}
static enum nss_status
internal_setgrent (char *domainname, intern_t *intern)
@@ -85,41 +45,72 @@ internal_setgrent (char *domainname, intern_t *intern)
struct ypall_callback ypcb;
enum nss_status status;
- intern->start = NULL;
-
- ypcb.foreach = saveit;
+ ypcb.foreach = _nis_saveit;
ypcb.data = (char *) intern;
status = yperr2nss (yp_all (domainname, "group.byname", &ypcb));
+
+ /* Mark the last buffer as full. */
+ if (intern->next != NULL)
+ intern->next->size = intern->offset;
+
intern->next = intern->start;
+ intern->offset = 0;
return status;
}
+
static enum nss_status
internal_getgrent_r (struct group *grp, char *buffer, size_t buflen,
int *errnop, intern_t *intern)
{
- struct parser_data *data = (void *) buffer;
- int parse_res;
- char *p;
-
if (intern->start == NULL)
return NSS_STATUS_NOTFOUND;
/* Get the next entry until we found a correct one. */
+ int parse_res;
do
{
- if (intern->next == NULL)
- return NSS_STATUS_NOTFOUND;
+ struct response_t *bucket = intern->next;
+
+ if (__builtin_expect (intern->offset >= bucket->size, 0))
+ {
+ if (bucket->next == NULL)
+ return NSS_STATUS_NOTFOUND;
+
+ /* We look at all the content in the current bucket. Go on
+ to the next. */
+ bucket = intern->next = bucket->next;
+ intern->offset = 0;
+ }
+
+ char *p;
+ for (p = &bucket->mem[intern->offset]; isspace (*p); ++p)
+ ++intern->offset;
- p = strncpy (buffer, intern->next->val, buflen);
- while (isspace (*p))
- ++p;
+ size_t len = strlen (p) + 1;
+ if (__builtin_expect (len > buflen, 0))
+ {
+ *errnop = ERANGE;
+ return NSS_STATUS_TRYAGAIN;
+ }
- parse_res = _nss_files_parse_grent (p, grp, data, buflen, errnop);
- if (parse_res == -1)
+ /* We unfortunately have to copy the data in the user-provided
+ buffer because that buffer might be around for a very long
+ time and the servent structure must remain valid. If we would
+ rely on the BUCKET memory the next 'setservent' or 'endservent'
+ call would destroy it.
+
+ The important thing is that it is a single NUL-terminated
+ string. This is what the parsing routine expects. */
+ p = memcpy (buffer, &bucket->mem[intern->offset], len);
+
+ parse_res = _nss_files_parse_grent (p, grp, (void *) buffer, buflen,
+ errnop);
+ if (__builtin_expect (parse_res == -1, 0))
return NSS_STATUS_TRYAGAIN;
- intern->next = intern->next->next;
+
+ intern->offset += len;
}
while (!parse_res);
@@ -166,13 +157,12 @@ initgroups_netid (uid_t uid, gid_t group, long int *start, long int *size,
ssize_t keylen = snprintf (key, sizeof (key), "unix.%lu@%s",
(unsigned long int) uid, domainname);
- enum nss_status retval;
char *result;
int reslen;
- retval = yperr2nss (yp_match (domainname, "netid.byname", key, keylen,
- &result, &reslen));
- if (retval != NSS_STATUS_SUCCESS)
- return retval;
+ int yperr = yp_match (domainname, "netid.byname", key, keylen, &result,
+ &reslen);
+ if (__builtin_expect (yperr != YPERR_SUCCESS, 0))
+ return yperr2nss (yperr);
/* Parse the result: following the colon is a comma separated list of
group IDs. */
@@ -207,7 +197,6 @@ initgroups_netid (uid_t uid, gid_t group, long int *start, long int *size,
if (*start == *size)
{
/* Need a bigger buffer. */
- gid_t *newgroups;
long int newsize;
if (limit > 0 && *size == limit)
@@ -219,7 +208,7 @@ initgroups_netid (uid_t uid, gid_t group, long int *start, long int *size,
else
newsize = MIN (limit, 2 * *size);
- newgroups = realloc (groups, newsize * sizeof (*groups));
+ gid_t *newgroups = realloc (groups, newsize * sizeof (*groups));
if (newgroups == NULL)
goto errout;
*groupsp = groups = newgroups;
@@ -247,7 +236,7 @@ _nss_nis_initgroups_dyn (const char *user, gid_t group, long int *start,
return NSS_STATUS_UNAVAIL;
/* Check whether we are supposed to use the netid.byname map. */
- if (_nis_default_nss () & NSS_FLAG_NETID_AUTHORITATIVE)
+ if (_nsl_default_nss () & NSS_FLAG_NETID_AUTHORITATIVE)
{
/* We need the user ID. */
uid_t uid;
@@ -262,7 +251,7 @@ _nss_nis_initgroups_dyn (const char *user, gid_t group, long int *start,
size_t buflen = sysconf (_SC_GETPW_R_SIZE_MAX);
char *tmpbuf;
enum nss_status status;
- intern_t intern = { NULL, NULL };
+ intern_t intern = { NULL, NULL, 0 };
gid_t *groups = *groupsp;
status = internal_setgrent (domainname, &intern);
diff --git a/nis/nss_nis/nis-netgrp.c b/nis/nss_nis/nis-netgrp.c
index d339dd5097..5a88b72d9c 100644
--- a/nis/nss_nis/nis-netgrp.c
+++ b/nis/nss_nis/nis-netgrp.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1996,1997,1999,2000,2002,2003,2004
+/* Copyright (C) 1996,1997,1999,2000,2002,2003,2004,2005,2006
Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Thorsten Kukuk <kukuk@suse.de>, 1996.
@@ -41,41 +41,37 @@ _nss_netgroup_parseline (char **cursor, struct __netgrent *netgrp,
static void
internal_nis_endnetgrent (struct __netgrent *netgrp)
{
- if (netgrp->data != NULL)
- {
- free (netgrp->data);
- netgrp->data = NULL;
- netgrp->data_size = 0;
- netgrp->cursor = NULL;
- }
+ free (netgrp->data);
+ netgrp->data = NULL;
+ netgrp->data_size = 0;
+ netgrp->cursor = NULL;
}
+
enum nss_status
_nss_nis_setnetgrent (const char *group, struct __netgrent *netgrp)
{
- char *domain;
int len;
enum nss_status status;
status = NSS_STATUS_SUCCESS;
- if (group == NULL || group[0] == '\0')
+ if (__builtin_expect (group == NULL || group[0] == '\0', 0))
return NSS_STATUS_UNAVAIL;
- if (yp_get_default_domain (&domain))
+ char *domain;
+ if (__builtin_expect (yp_get_default_domain (&domain), 0))
return NSS_STATUS_UNAVAIL;
- internal_nis_endnetgrent (netgrp);
-
status = yperr2nss (yp_match (domain, "netgroup", group, strlen (group),
&netgrp->data, &len));
- if (status == NSS_STATUS_SUCCESS)
+ if (__builtin_expect (status == NSS_STATUS_SUCCESS, 1))
{
/* Our implementation of yp_match already allocates a buffer
which is one byte larger than the value in LEN specifies
and the last byte is filled with NUL. So we can simply
use that buffer. */
- assert (len > 0);
+ assert (len >= 0);
assert (malloc_usable_size (netgrp->data) >= len + 1);
assert (netgrp->data[len] == '\0');
@@ -95,13 +91,11 @@ _nss_nis_endnetgrent (struct __netgrent *netgrp)
return NSS_STATUS_SUCCESS;
}
+
enum nss_status
_nss_nis_getnetgrent_r (struct __netgrent *result, char *buffer, size_t buflen,
int *errnop)
{
- if (result->cursor == NULL)
- return NSS_STATUS_NOTFOUND;
-
return _nss_netgroup_parseline (&result->cursor, result, buffer, buflen,
errnop);
}
diff --git a/nis/nss_nis/nis-network.c b/nis/nss_nis/nis-network.c
index ed8439c814..9b02302e0b 100644
--- a/nis/nss_nis/nis-network.c
+++ b/nis/nss_nis/nis-network.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1996-2000, 2001, 2002, 2003 Free Software Foundation, Inc.
+/* Copyright (C) 1996-2003, 2006 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Thorsten Kukuk <kukuk@vt.uni-paderborn.de>, 1996.
@@ -73,28 +73,32 @@ internal_nis_getnetent_r (struct netent *net, char *buffer, size_t buflen,
int *errnop, int *herrnop)
{
struct parser_data *data = (void *) buffer;
- char *domain, *result, *outkey;
- int len, keylen, parse_res;
- if (yp_get_default_domain (&domain))
+ char *domain;
+ if (__builtin_expect (yp_get_default_domain (&domain), 0))
return NSS_STATUS_UNAVAIL;
/* Get the next entry until we found a correct one. */
+ int parse_res;
do
{
- enum nss_status retval;
- char *p;
+ char *result;
+ char *outkey;
+ int len;
+ int keylen;
+ int yperr;
if (new_start)
- retval = yperr2nss (yp_first (domain, "networks.byname",
- &outkey, &keylen, &result, &len));
+ yperr = yp_first (domain, "networks.byname", &outkey, &keylen, &result,
+ &len);
else
- retval = yperr2nss ( yp_next (domain, "networks.byname",
- oldkey, oldkeylen,
- &outkey, &keylen, &result, &len));
+ yperr = yp_next (domain, "networks.byname", oldkey, oldkeylen, &outkey,
+ &keylen, &result, &len);
- if (retval != NSS_STATUS_SUCCESS)
+ if (__builtin_expect (yperr != YPERR_SUCCESS, 0))
{
+ enum nss_status retval = yperr2nss (yperr);
+
if (retval == NSS_STATUS_TRYAGAIN)
{
*herrnop = NETDB_INTERNAL;
@@ -103,7 +107,7 @@ internal_nis_getnetent_r (struct netent *net, char *buffer, size_t buflen,
return retval;
}
- if ((size_t) (len + 1) > buflen)
+ if (__builtin_expect ((size_t) (len + 1) > buflen, 0))
{
free (result);
*errnop = ERANGE;
@@ -111,14 +115,14 @@ internal_nis_getnetent_r (struct netent *net, char *buffer, size_t buflen,
return NSS_STATUS_TRYAGAIN;
}
- p = strncpy (buffer, result, len);
+ char *p = strncpy (buffer, result, len);
buffer[len] = '\0';
while (isspace (*p))
++p;
free (result);
parse_res = _nss_files_parse_netent (p, net, data, buflen, errnop);
- if (parse_res == -1)
+ if (__builtin_expect (parse_res == -1, 0))
{
free (outkey);
*herrnop = NETDB_INTERNAL;
@@ -155,11 +159,6 @@ enum nss_status
_nss_nis_getnetbyname_r (const char *name, struct netent *net, char *buffer,
size_t buflen, int *errnop, int *herrnop)
{
- enum nss_status retval;
- struct parser_data *data = (void *) buffer;
- char *domain, *result, *p;
- int len, parse_res;
-
if (name == NULL)
{
*errnop = EINVAL;
@@ -167,33 +166,36 @@ _nss_nis_getnetbyname_r (const char *name, struct netent *net, char *buffer,
return NSS_STATUS_UNAVAIL;
}
- if (yp_get_default_domain (&domain))
+ char *domain;
+ if (__builtin_expect (yp_get_default_domain (&domain), 0))
return NSS_STATUS_UNAVAIL;
+ struct parser_data *data = (void *) buffer;
if (buflen < sizeof *data + 1)
{
*herrnop = NETDB_INTERNAL;
*errnop = ERANGE;
return NSS_STATUS_TRYAGAIN;
}
- else
- {
- /* Convert name to lowercase. */
- size_t namlen = strlen (name);
- char name2[namlen + 1];
- size_t i;
- for (i = 0; i < namlen; ++i)
- name2[i] = _tolower (name[i]);
- name2[i] = '\0';
+ /* Convert name to lowercase. */
+ size_t namlen = strlen (name);
+ char name2[namlen + 1];
+ size_t i;
- retval = yperr2nss (yp_match (domain, "networks.byname", name2,
- namlen, &result, &len));
- }
+ for (i = 0; i < namlen; ++i)
+ name2[i] = _tolower (name[i]);
+ name2[i] = '\0';
+ char *result;
+ int len;
+ int yperr = yp_match (domain, "networks.byname", name2, namlen, &result,
+ &len);
- if (retval != NSS_STATUS_SUCCESS)
+ if (__builtin_expect (yperr != YPERR_SUCCESS, 0))
{
+ enum nss_status retval = yperr2nss (yperr);
+
if (retval == NSS_STATUS_TRYAGAIN)
{
*errnop = errno;
@@ -202,7 +204,7 @@ _nss_nis_getnetbyname_r (const char *name, struct netent *net, char *buffer,
return retval;
}
- if ((size_t) (len + 1) > buflen)
+ if (__builtin_expect ((size_t) (len + 1) > buflen, 0))
{
free (result);
*errnop = ERANGE;
@@ -210,15 +212,15 @@ _nss_nis_getnetbyname_r (const char *name, struct netent *net, char *buffer,
return NSS_STATUS_TRYAGAIN;
}
- p = strncpy (buffer, result, len);
+ char *p = strncpy (buffer, result, len);
buffer[len] = '\0';
while (isspace (*p))
++p;
free (result);
- parse_res = _nss_files_parse_netent (p, net, data, buflen, errnop);
+ int parse_res = _nss_files_parse_netent (p, net, data, buflen, errnop);
- if (parse_res < 1)
+ if (__builtin_expect (parse_res < 1, 0))
{
*herrnop = NETDB_INTERNAL;
if (parse_res == -1)
@@ -235,32 +237,26 @@ _nss_nis_getnetbyaddr_r (uint32_t addr, int type, struct netent *net,
char *buffer, size_t buflen, int *errnop,
int *herrnop)
{
- struct parser_data *data = (void *) buffer;
char *domain;
- char *result;
- int len;
- char buf[256];
- int blen;
- struct in_addr in;
- char *p;
-
- if (yp_get_default_domain (&domain))
+ if (__builtin_expect (yp_get_default_domain (&domain), 0))
return NSS_STATUS_UNAVAIL;
- in = inet_makeaddr (addr, 0);
- strcpy (buf, inet_ntoa (in));
- blen = strlen (buf);
+ struct in_addr in = inet_makeaddr (addr, 0);
+ char *buf = inet_ntoa (in);
+ size_t blen = strlen (buf);
while (1)
{
- enum nss_status retval;
- int parse_res;
+ char *result;
+ int len;
- retval = yperr2nss (yp_match (domain, "networks.byaddr", buf,
- strlen (buf), &result, &len));
+ int yperr = yp_match (domain, "networks.byaddr", buf, blen, &result,
+ &len);
- if (retval != NSS_STATUS_SUCCESS)
+ if (__builtin_expect (yperr != YPERR_SUCCESS, 0))
{
+ enum nss_status retval = yperr2nss (yperr);
+
if (retval == NSS_STATUS_NOTFOUND)
{
if (buf[blen - 2] == '.' && buf[blen - 1] == '0')
@@ -282,7 +278,7 @@ _nss_nis_getnetbyaddr_r (uint32_t addr, int type, struct netent *net,
}
}
- if ((size_t) (len + 1) > buflen)
+ if (__builtin_expect ((size_t) (len + 1) > buflen, 0))
{
free (result);
*errnop = ERANGE;
@@ -290,15 +286,16 @@ _nss_nis_getnetbyaddr_r (uint32_t addr, int type, struct netent *net,
return NSS_STATUS_TRYAGAIN;
}
- p = strncpy (buffer, result, len);
+ char *p = strncpy (buffer, result, len);
buffer[len] = '\0';
while (isspace (*p))
++p;
free (result);
- parse_res = _nss_files_parse_netent (p, net, data, buflen, errnop);
+ int parse_res = _nss_files_parse_netent (p, net, (void *) buffer,
+ buflen, errnop);
- if (parse_res < 1)
+ if (__builtin_expect (parse_res < 1, 0))
{
*herrnop = NETDB_INTERNAL;
if (parse_res == -1)
diff --git a/nis/nss_nis/nis-proto.c b/nis/nss_nis/nis-proto.c
index f1069283ab..1480a928b5 100644
--- a/nis/nss_nis/nis-proto.c
+++ b/nis/nss_nis/nis-proto.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1996-1998, 2000-2003, 2004 Free Software Foundation, Inc.
+/* Copyright (C) 1996-1998, 2000-2004, 2006 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Thorsten Kukuk <kukuk@suse.de>, 1996.
@@ -179,45 +179,46 @@ enum nss_status
_nss_nis_getprotobyname_r (const char *name, struct protoent *proto,
char *buffer, size_t buflen, int *errnop)
{
- struct parser_data *data = (void *) buffer;
- enum nss_status retval;
- char *domain, *result, *p;
- int len, parse_res;
-
if (name == NULL)
{
*errnop = EINVAL;
return NSS_STATUS_UNAVAIL;
}
- if (yp_get_default_domain (&domain))
+ char *domain;
+ if (__builtin_expect (yp_get_default_domain (&domain), 0))
return NSS_STATUS_UNAVAIL;
- retval = yperr2nss (yp_match (domain, "protocols.byname", name,
- strlen (name), &result, &len));
+ char *result;
+ int len;
+ int yperr = yp_match (domain, "protocols.byname", name, strlen (name),
+ &result, &len);
- if (retval != NSS_STATUS_SUCCESS)
+ if (__builtin_expect (yperr != YPERR_SUCCESS, 0))
{
+ enum nss_status retval = yperr2nss (yperr);
+
if (retval == NSS_STATUS_TRYAGAIN)
*errnop = errno;
return retval;
}
- if ((size_t) (len + 1) > buflen)
+ if (__builtin_expect ((size_t) (len + 1) > buflen, 0))
{
free (result);
*errnop = ERANGE;
return NSS_STATUS_TRYAGAIN;
}
- p = strncpy (buffer, result, len);
+ char *p = strncpy (buffer, result, len);
buffer[len] = '\0';
while (isspace (*p))
++p;
free (result);
- parse_res = _nss_files_parse_protoent (p, proto, data, buflen, errnop);
- if (parse_res < 1)
+ int parse_res = _nss_files_parse_protoent (p, proto, (void *) buffer, buflen,
+ errnop);
+ if (__builtin_expect (parse_res < 1, 0))
{
if (parse_res == -1)
return NSS_STATUS_TRYAGAIN;
@@ -231,42 +232,43 @@ enum nss_status
_nss_nis_getprotobynumber_r (int number, struct protoent *proto,
char *buffer, size_t buflen, int *errnop)
{
- struct parser_data *data = (void *) buffer;
- enum nss_status retval;
- char *domain, *result, *p;
- int len, nlen, parse_res;
- char buf[32];
-
- if (yp_get_default_domain (&domain))
+ char *domain;
+ if (__builtin_expect (yp_get_default_domain (&domain), 0))
return NSS_STATUS_UNAVAIL;
- nlen = sprintf (buf, "%d", number);
+ char buf[32];
+ int nlen = snprintf (buf, sizeof (buf), "%d", number);
- retval = yperr2nss (yp_match (domain, "protocols.bynumber", buf,
- nlen, &result, &len));
+ char *result;
+ int len;
+ int yperr = yp_match (domain, "protocols.bynumber", buf, nlen, &result,
+ &len);
- if (retval != NSS_STATUS_SUCCESS)
+ if (__builtin_expect (yperr != YPERR_SUCCESS, 0))
{
+ enum nss_status retval = yperr2nss (yperr);
+
if (retval == NSS_STATUS_TRYAGAIN)
*errnop = errno;
return retval;
}
- if ((size_t) (len + 1) > buflen)
+ if (__builtin_expect ((size_t) (len + 1) > buflen, 0))
{
free (result);
*errnop = ERANGE;
return NSS_STATUS_TRYAGAIN;
}
- p = strncpy (buffer, result, len);
+ char *p = strncpy (buffer, result, len);
buffer[len] = '\0';
while (isspace (*p))
++p;
free (result);
- parse_res = _nss_files_parse_protoent (p, proto, data, buflen, errnop);
- if (parse_res < 1)
+ int parse_res = _nss_files_parse_protoent (p, proto, (void *) buffer, buflen,
+ errnop);
+ if (__builtin_expect (parse_res < 1, 0))
{
if (parse_res == -1)
return NSS_STATUS_TRYAGAIN;
diff --git a/nis/nss_nis/nis-publickey.c b/nis/nss_nis/nis-publickey.c
index 6e92112d11..f58eb154ad 100644
--- a/nis/nss_nis/nis-publickey.c
+++ b/nis/nss_nis/nis-publickey.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1996,1997,1998,1999,2001,2002 Free Software Foundation, Inc.
+/* Copyright (C) 1996-1999,2001,2002,2005,2006 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Thorsten Kukuk <kukuk@suse.de>, 1996.
@@ -36,10 +36,6 @@ extern int xdecrypt (char *, char *);
enum nss_status
_nss_nis_getpublickey (const char *netname, char *pkey, int *errnop)
{
- enum nss_status retval;
- char *domain, *result;
- int len;
-
pkey[0] = 0;
if (netname == NULL)
@@ -48,19 +44,23 @@ _nss_nis_getpublickey (const char *netname, char *pkey, int *errnop)
return NSS_STATUS_UNAVAIL;
}
- domain = strchr (netname, '@');
- if (!domain)
+ char *domain = strchr (netname, '@');
+ if (domain == NULL)
{
*errnop = EINVAL;
return NSS_STATUS_UNAVAIL;
}
++domain;
- retval = yperr2nss (yp_match (domain, "publickey.byname", netname,
- strlen (netname), &result, &len));
+ char *result;
+ int len;
+ int yperr = yp_match (domain, "publickey.byname", netname, strlen (netname),
+ &result, &len);
- if (retval != NSS_STATUS_SUCCESS)
+ if (__builtin_expect (yperr != YPERR_SUCCESS, 0))
{
+ enum nss_status retval = yperr2nss (yperr);
+
if (retval == NSS_STATUS_TRYAGAIN)
*errnop = errno;
return retval;
@@ -73,6 +73,7 @@ _nss_nis_getpublickey (const char *netname, char *pkey, int *errnop)
*p = 0;
strncpy (pkey, result, HEXKEYBYTES + 1);
pkey[HEXKEYBYTES] = '\0';
+ free (result);
}
return NSS_STATUS_SUCCESS;
}
@@ -81,11 +82,6 @@ enum nss_status
_nss_nis_getsecretkey (const char *netname, char *skey, char *passwd,
int *errnop)
{
- enum nss_status retval;
- char buf[2 * (HEXKEYBYTES + 1)];
- char *domain, *result;
- int len;
-
skey[0] = 0;
if (netname == NULL || passwd == NULL)
@@ -94,19 +90,23 @@ _nss_nis_getsecretkey (const char *netname, char *skey, char *passwd,
return NSS_STATUS_UNAVAIL;
}
- domain = strchr (netname, '@');
- if (!domain)
+ char *domain = strchr (netname, '@');
+ if (domain == NULL)
{
*errnop = EINVAL;
return NSS_STATUS_UNAVAIL;
}
++domain;
- retval = yperr2nss (yp_match (domain, "publickey.byname", netname,
- strlen (netname), &result, &len));
+ char *result;
+ int len;
+ int yperr = yp_match (domain, "publickey.byname", netname, strlen (netname),
+ &result, &len);
- if (retval != NSS_STATUS_SUCCESS)
+ if (__builtin_expect (yperr != YPERR_SUCCESS, 0))
{
+ enum nss_status retval = yperr2nss (yperr);
+
if (retval == NSS_STATUS_TRYAGAIN)
*errnop = errno;
return retval;
@@ -115,20 +115,22 @@ _nss_nis_getsecretkey (const char *netname, char *skey, char *passwd,
if (result != NULL)
{
char *p = strchr (result, ':');
- if (p == NULL)
- return NSS_STATUS_SUCCESS;
-
- ++p;
- strncpy (buf, p, 2 * (HEXKEYBYTES + 1));
- buf[2 * (HEXKEYBYTES + 1)] = '\0';
- if (!xdecrypt (buf, passwd))
- return NSS_STATUS_SUCCESS;
-
- if (memcmp (buf, &(buf[HEXKEYBYTES]), KEYCHECKSUMSIZE) != 0)
- return NSS_STATUS_SUCCESS;
-
- buf[HEXKEYBYTES] = '\0';
- strcpy (skey, buf);
+ if (p != NULL)
+ {
+ char buf[2 * (HEXKEYBYTES + 1)];
+
+ ++p;
+ strncpy (buf, p, 2 * (HEXKEYBYTES + 1));
+ buf[2 * HEXKEYBYTES + 1] = '\0';
+ if (xdecrypt (buf, passwd)
+ && memcmp (buf, &(buf[HEXKEYBYTES]), KEYCHECKSUMSIZE) == 0)
+ {
+ buf[HEXKEYBYTES] = '\0';
+ strcpy (skey, buf);
+ }
+ }
+
+ free (result);
}
return NSS_STATUS_SUCCESS;
}
@@ -194,13 +196,8 @@ enum nss_status
_nss_nis_netname2user (char netname[MAXNETNAMELEN + 1], uid_t *uidp,
gid_t *gidp, int *gidlenp, gid_t *gidlist, int *errnop)
{
- char *domain;
- int yperr;
- char *lookup;
- int len;
-
- domain = strchr (netname, '@');
- if (!domain)
+ char *domain = strchr (netname, '@');
+ if (domain == NULL)
{
*errnop = EINVAL;
return NSS_STATUS_UNAVAIL;
@@ -208,9 +205,10 @@ _nss_nis_netname2user (char netname[MAXNETNAMELEN + 1], uid_t *uidp,
/* Point past the '@' character */
++domain;
- lookup = NULL;
- yperr = yp_match (domain, "netid.byname", netname, strlen (netname),
- &lookup, &len);
+ char *lookup = NULL;
+ int len;
+ int yperr = yp_match (domain, "netid.byname", netname, strlen (netname),
+ &lookup, &len);
switch (yperr)
{
case YPERR_SUCCESS:
@@ -223,17 +221,15 @@ _nss_nis_netname2user (char netname[MAXNETNAMELEN + 1], uid_t *uidp,
return NSS_STATUS_UNAVAIL;
}
- if (lookup)
- {
- enum nss_status err;
-
- lookup[len] = '\0';
- err = parse_netid_str (lookup, uidp, gidp, gidlenp, gidlist);
- free (lookup);
- return err;
- }
- else
+ if (lookup == NULL)
return NSS_STATUS_NOTFOUND;
- return NSS_STATUS_SUCCESS;
+
+ lookup[len] = '\0';
+
+ enum nss_status err = parse_netid_str (lookup, uidp, gidp, gidlenp, gidlist);
+
+ free (lookup);
+
+ return err;
}
diff --git a/nis/nss_nis/nis-pwd.c b/nis/nss_nis/nis-pwd.c
index 0f56ced014..1b5206ad6d 100644
--- a/nis/nss_nis/nis-pwd.c
+++ b/nis/nss_nis/nis-pwd.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1996-1998, 2001, 2002, 2003 Free Software Foundation, Inc.
+/* Copyright (C) 1996-1998,2001,2002,2003,2006 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Thorsten Kukuk <kukuk@vt.uni-paderborn.de>, 1996.
@@ -17,20 +17,18 @@
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
-#include <nss.h>
-/* The following is an ugly trick to avoid a prototype declaration for
- _nss_nis_endpwent. */
-#define _nss_nis_endpwent _nss_nis_endpwent_XXX
-#include <pwd.h>
-#undef _nss_nis_endpwent
+#include <assert.h>
#include <ctype.h>
#include <errno.h>
+#include <nss.h>
+#include <pwd.h>
#include <string.h>
#include <bits/libc-lock.h>
#include <rpcsvc/yp.h>
#include <rpcsvc/ypclnt.h>
#include "nss-nis.h"
+#include <libnsl.h>
/* Get the declaration of the parser function. */
#define ENTNAME pwent
@@ -44,12 +42,72 @@ __libc_lock_define_initialized (static, lock)
static bool_t new_start = 1;
static char *oldkey;
static int oldkeylen;
+static intern_t intern;
-enum nss_status
-_nss_nis_setpwent (int stayopen)
+
+int
+_nis_saveit (int instatus, char *inkey, int inkeylen, char *inval,
+ int invallen, char *indata)
{
- __libc_lock_lock (lock);
+ intern_t *intern = (intern_t *) indata;
+
+ if (instatus != YP_TRUE)
+ return 1;
+
+ if (inkey && inkeylen > 0 && inval && invallen > 0)
+ {
+ struct response_t *bucket = intern->next;
+ if (__builtin_expect (bucket == NULL, 0))
+ {
+#define MINSIZE 4096 - 4 * sizeof (void *)
+ const size_t minsize = MAX (MINSIZE, 2 * (invallen + 1));
+ bucket = malloc (sizeof (struct response_t) + minsize);
+ if (bucket == NULL)
+ /* We have no error code for out of memory. */
+ return 1;
+
+ bucket->next = NULL;
+ bucket->size = minsize;
+ intern->start = intern->next = bucket;
+ intern->offset = 0;
+ }
+ else if (__builtin_expect (invallen + 1 > bucket->size - intern->offset,
+ 0))
+ {
+ /* We need a new (larger) buffer. */
+ const size_t newsize = 2 * MAX (bucket->size, invallen + 1);
+ struct response_t *newp = malloc (sizeof (struct response_t)
+ + newsize);
+ if (newp == NULL)
+ /* We have no error code for out of memory. */
+ return 1;
+
+ /* Mark the old bucket as full. */
+ bucket->size = intern->offset;
+
+ newp->next = NULL;
+ newp->size = newsize;
+ bucket = intern->next = bucket->next = newp;
+ intern->offset = 0;
+ }
+
+ char *p = mempcpy (&bucket->mem[intern->offset], inval, invallen);
+ if (__builtin_expect (p[-1] != '\0', 0))
+ {
+ *p = '\0';
+ ++invallen;
+ }
+ intern->offset += invallen;
+ }
+
+ return 0;
+}
+
+
+static void
+internal_nis_endpwent (void)
+{
new_start = 1;
if (oldkey != NULL)
{
@@ -58,52 +116,159 @@ _nss_nis_setpwent (int stayopen)
oldkeylen = 0;
}
+ struct response_t *curr = intern.next;
+
+ while (curr != NULL)
+ {
+ struct response_t *last = curr;
+ curr = curr->next;
+ free (last);
+ }
+
+ intern.next = intern.start = NULL;
+}
+
+
+enum nss_status
+_nss_nis_endpwent (void)
+{
+ __libc_lock_lock (lock);
+
+ internal_nis_endpwent ();
+
__libc_lock_unlock (lock);
return NSS_STATUS_SUCCESS;
}
-/* Make _nss_nis_endpwent an alias of _nss_nis_setpwent. We do this
- even though the prototypes don't match. The argument of setpwent
- is not used so this makes no difference. */
-strong_alias (_nss_nis_setpwent, _nss_nis_endpwent)
+
+
+enum nss_status
+internal_nis_setpwent (void)
+{
+ /* We have to read all the data now. */
+ char *domain;
+ if (__builtin_expect (yp_get_default_domain (&domain), 0))
+ return NSS_STATUS_UNAVAIL;
+
+ struct ypall_callback ypcb;
+
+ ypcb.foreach = _nis_saveit;
+ ypcb.data = (char *) &intern;
+ enum nss_status status = yperr2nss (yp_all (domain, "passwd.byname", &ypcb));
+
+
+ /* Mark the last buffer as full. */
+ if (intern.next != NULL)
+ intern.next->size = intern.offset;
+
+ intern.next = intern.start;
+ intern.offset = 0;
+
+ return status;
+}
+
+
+enum nss_status
+_nss_nis_setpwent (int stayopen)
+{
+ enum nss_status result = NSS_STATUS_SUCCESS;
+
+ __libc_lock_lock (lock);
+
+ internal_nis_endpwent ();
+
+ if (_nsl_default_nss () & NSS_FLAG_SETENT_BATCH_READ)
+ result = internal_nis_setpwent ();
+
+ __libc_lock_unlock (lock);
+
+ return result;
+}
+
static enum nss_status
internal_nis_getpwent_r (struct passwd *pwd, char *buffer, size_t buflen,
int *errnop)
{
- struct parser_data *data = (void *) buffer;
- char *domain;
- int parse_res;
+ /* If we read the entire database at setpwent time we just iterate
+ over the data we have in memory. */
+ bool batch_read = intern.start != NULL;
- if (yp_get_default_domain (&domain))
+ char *domain = NULL;
+ if (!batch_read && __builtin_expect (yp_get_default_domain (&domain), 0))
return NSS_STATUS_UNAVAIL;
/* Get the next entry until we found a correct one. */
+ int parse_res;
do
{
- enum nss_status retval;
- char *result, *outkey, *result2, *p;
- int len, keylen, len2;
- size_t namelen;
+ char *result;
+ char *outkey;
+ int len;
+ int keylen;
+
+ if (batch_read)
+ {
+ struct response_t *bucket;
+
+ handle_batch_read:
+ bucket = intern.next;
- if (new_start)
- retval = yperr2nss (yp_first (domain, "passwd.byname",
- &outkey, &keylen, &result, &len));
+ if (__builtin_expect (intern.offset >= bucket->size, 0))
+ {
+ if (bucket->next == NULL)
+ return NSS_STATUS_NOTFOUND;
+
+ /* We look at all the content in the current bucket. Go on
+ to the next. */
+ bucket = intern.next = bucket->next;
+ intern.offset = 0;
+ }
+
+ for (result = &bucket->mem[intern.offset]; isspace (*result);
+ ++result)
+ ++intern.offset;
+
+ len = strlen (result);
+ }
else
- retval = yperr2nss ( yp_next (domain, "passwd.byname",
- oldkey, oldkeylen,
- &outkey, &keylen, &result, &len));
+ {
+ int yperr;
- if (retval != NSS_STATUS_SUCCESS)
- {
- if (retval == NSS_STATUS_TRYAGAIN)
- *errnop = errno;
- return retval;
- }
+ if (new_start)
+ {
+ /* Maybe we should read the database in one piece. */
+ if ((_nsl_default_nss () & NSS_FLAG_SETENT_BATCH_READ)
+ && internal_nis_setpwent () == NSS_STATUS_SUCCESS
+ && intern.start != NULL)
+ {
+ batch_read = true;
+ goto handle_batch_read;
+ }
+
+ yperr = yp_first (domain, "passwd.byname", &outkey, &keylen,
+ &result, &len);
+ }
+ else
+ yperr = yp_next (domain, "passwd.byname", oldkey, oldkeylen,
+ &outkey, &keylen, &result, &len);
+
+ if (__builtin_expect (yperr != YPERR_SUCCESS, 0))
+ {
+ enum nss_status retval = yperr2nss (yperr);
+
+ if (retval == NSS_STATUS_TRYAGAIN)
+ *errnop = errno;
+ return retval;
+ }
+ }
/* Check for adjunct style secret passwords. They can be
recognized by a password starting with "##". */
- p = strchr (result, ':');
+ char *p = strchr (result, ':');
+ size_t namelen;
+ char *result2;
+ int len2;
if (p != NULL /* This better should be true in all cases. */
&& p[1] == '#' && p[2] == '#'
&& (namelen = p - result,
@@ -128,7 +293,8 @@ internal_nis_getpwent_r (struct passwd *pwd, char *buffer, size_t buflen,
}
restlen = len - (p - result);
- if ((size_t) (namelen + (endp - encrypted) + restlen + 2) > buflen)
+ if (__builtin_expect ((size_t) (namelen + (endp - encrypted)
+ + restlen + 2) > buflen, 0))
{
free (result2);
free (result);
@@ -136,10 +302,10 @@ internal_nis_getpwent_r (struct passwd *pwd, char *buffer, size_t buflen,
return NSS_STATUS_TRYAGAIN;
}
- __mempcpy (__mempcpy (__mempcpy (__mempcpy (buffer, result, namelen),
- ":", 1),
- encrypted, endp - encrypted),
- p, restlen + 1);
+ mempcpy (mempcpy (mempcpy (mempcpy (buffer, result, namelen),
+ ":", 1),
+ encrypted, endp - encrypted),
+ p, restlen + 1);
p = buffer;
free (result2);
@@ -147,33 +313,41 @@ internal_nis_getpwent_r (struct passwd *pwd, char *buffer, size_t buflen,
else
{
non_adjunct:
- if ((size_t) (len + 1) > buflen)
+ if (__builtin_expect ((size_t) (len + 1) > buflen, 0))
{
free (result);
*errnop = ERANGE;
return NSS_STATUS_TRYAGAIN;
}
- p = strncpy (buffer, result, len);
- buffer[len] = '\0';
+ p = buffer;
+ *((char *) mempcpy (buffer, result, len)) = '\0';
}
while (isspace (*p))
++p;
- free (result);
+ if (!batch_read)
+ free (result);
- parse_res = _nss_files_parse_pwent (p, pwd, data, buflen, errnop);
- if (parse_res == -1)
+ parse_res = _nss_files_parse_pwent (p, pwd, (void *) buffer, buflen,
+ errnop);
+ if (__builtin_expect (parse_res == -1, 0))
{
- free (outkey);
+ if (!batch_read)
+ free (outkey);
*errnop = ERANGE;
return NSS_STATUS_TRYAGAIN;
}
- free (oldkey);
- oldkey = outkey;
- oldkeylen = keylen;
- new_start = 0;
+ if (batch_read)
+ intern.offset += len + 1;
+ else
+ {
+ free (oldkey);
+ oldkey = outkey;
+ oldkeylen = keylen;
+ new_start = 0;
+ }
}
while (parse_res < 1);
@@ -199,28 +373,26 @@ enum nss_status
_nss_nis_getpwnam_r (const char *name, struct passwd *pwd,
char *buffer, size_t buflen, int *errnop)
{
- struct parser_data *data = (void *) buffer;
- enum nss_status retval;
- char *domain, *result, *result2, *p;
- int len, len2, parse_res;
- size_t namelen;
-
if (name == NULL)
{
*errnop = EINVAL;
return NSS_STATUS_UNAVAIL;
}
- if (yp_get_default_domain (&domain))
+ char *domain;
+ if (__builtin_expect (yp_get_default_domain (&domain), 0))
return NSS_STATUS_UNAVAIL;
- namelen = strlen (name);
+ size_t namelen = strlen (name);
- retval = yperr2nss (yp_match (domain, "passwd.byname", name,
- namelen, &result, &len));
+ char *result;
+ int len;
+ int yperr = yp_match (domain, "passwd.byname", name, namelen, &result, &len);
- if (retval != NSS_STATUS_SUCCESS)
+ if (__builtin_expect (yperr != YPERR_SUCCESS, 0))
{
+ enum nss_status retval = yperr2nss (yperr);
+
if (retval == NSS_STATUS_TRYAGAIN)
*errnop = errno;
return retval;
@@ -228,7 +400,9 @@ _nss_nis_getpwnam_r (const char *name, struct passwd *pwd,
/* Check for adjunct style secret passwords. They can be recognized
by a password starting with "##". */
- p = strchr (result, ':');
+ char *result2;
+ int len2;
+ char *p = strchr (result, ':');
if (p != NULL /* This better should be true in all cases. */
&& p[1] == '#' && p[2] == '#'
&& yp_match (domain, "passwd.adjunct.byname", name, namelen,
@@ -238,7 +412,6 @@ _nss_nis_getpwnam_r (const char *name, struct passwd *pwd,
therein into original result. */
char *encrypted = strchr (result2, ':');
char *endp;
- size_t restlen;
if (encrypted == NULL
|| (endp = strchr (++encrypted, ':')) == NULL
@@ -251,8 +424,9 @@ _nss_nis_getpwnam_r (const char *name, struct passwd *pwd,
goto non_adjunct;
}
- restlen = len - (p - result);
- if ((size_t) (namelen + (endp - encrypted) + restlen + 2) > buflen)
+ size_t restlen = len - (p - result);
+ if (__builtin_expect ((size_t) (namelen + (endp - encrypted)
+ + restlen + 2) > buflen, 0))
{
free (result2);
free (result);
@@ -271,7 +445,7 @@ _nss_nis_getpwnam_r (const char *name, struct passwd *pwd,
else
{
non_adjunct:
- if ((size_t) (len + 1) > buflen)
+ if (__builtin_expect ((size_t) (len + 1) > buflen, 0))
{
free (result);
*errnop = ERANGE;
@@ -286,8 +460,9 @@ _nss_nis_getpwnam_r (const char *name, struct passwd *pwd,
++p;
free (result);
- parse_res = _nss_files_parse_pwent (p, pwd, data, buflen, errnop);
- if (parse_res < 1)
+ int parse_res = _nss_files_parse_pwent (p, pwd, (void *) buffer, buflen,
+ errnop);
+ if (__builtin_expect (parse_res < 1, 0))
{
if (parse_res == -1)
return NSS_STATUS_TRYAGAIN;
@@ -302,23 +477,21 @@ enum nss_status
_nss_nis_getpwuid_r (uid_t uid, struct passwd *pwd,
char *buffer, size_t buflen, int *errnop)
{
- struct parser_data *data = (void *) buffer;
- enum nss_status retval;
- char *domain, *result, *p, *result2;
- int len, nlen, parse_res, len2;
- char buf[32];
- size_t namelen;
-
- if (yp_get_default_domain (&domain))
+ char *domain;
+ if (__builtin_expect (yp_get_default_domain (&domain), 0))
return NSS_STATUS_UNAVAIL;
- nlen = sprintf (buf, "%lu", (unsigned long int) uid);
+ char buf[32];
+ int nlen = snprintf (buf, sizeof (buf), "%lu", (unsigned long int) uid);
- retval = yperr2nss (yp_match (domain, "passwd.byuid", buf,
- nlen, &result, &len));
+ char *result;
+ int len;
+ int yperr = yp_match (domain, "passwd.byuid", buf, nlen, &result, &len);
- if (retval != NSS_STATUS_SUCCESS)
+ if (__builtin_expect (yperr != YPERR_SUCCESS, 0))
{
+ enum nss_status retval = yperr2nss (yperr);
+
if (retval == NSS_STATUS_TRYAGAIN)
*errnop = errno;
return retval;
@@ -326,7 +499,10 @@ _nss_nis_getpwuid_r (uid_t uid, struct passwd *pwd,
/* Check for adjunct style secret passwords. They can be recognized
by a password starting with "##". */
- p = strchr (result, ':');
+ char *result2;
+ int len2;
+ size_t namelen;
+ char *p = strchr (result, ':');
if (p != NULL /* This better should be true in all cases. */
&& p[1] == '#' && p[2] == '#'
&& (namelen = p - result,
@@ -351,7 +527,8 @@ _nss_nis_getpwuid_r (uid_t uid, struct passwd *pwd,
}
restlen = len - (p - result);
- if ((size_t) (namelen + (endp - encrypted) + restlen + 2) > buflen)
+ if (__builtin_expect ((size_t) (namelen + (endp - encrypted)
+ + restlen + 2) > buflen, 0))
{
free (result2);
free (result);
@@ -370,7 +547,7 @@ _nss_nis_getpwuid_r (uid_t uid, struct passwd *pwd,
else
{
non_adjunct:
- if ((size_t) (len + 1) > buflen)
+ if (__builtin_expect ((size_t) (len + 1) > buflen, 0))
{
free (result);
*errnop = ERANGE;
@@ -385,8 +562,9 @@ _nss_nis_getpwuid_r (uid_t uid, struct passwd *pwd,
++p;
free (result);
- parse_res = _nss_files_parse_pwent (p, pwd, data, buflen, errnop);
- if (parse_res < 1)
+ int parse_res = _nss_files_parse_pwent (p, pwd, (void *) buffer, buflen,
+ errnop);
+ if (__builtin_expect (parse_res < 1, 0))
{
if (parse_res == -1)
return NSS_STATUS_TRYAGAIN;
diff --git a/nis/nss_nis/nis-rpc.c b/nis/nss_nis/nis-rpc.c
index d1ab94371a..2fdb16ddde 100644
--- a/nis/nss_nis/nis-rpc.c
+++ b/nis/nss_nis/nis-rpc.c
@@ -1,4 +1,5 @@
-/* Copyright (C) 1996-1998,2000,2002,2003,2004 Free Software Foundation, Inc.
+/* Copyright (C) 1996-1998,2000,2002,2003,2004,2006
+ Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Thorsten Kukuk <kukuk@suse.de>, 1996.
@@ -35,59 +36,22 @@
__libc_lock_define_initialized (static, lock)
-struct response_t
-{
- struct response_t *next;
- char val[0];
-};
-
-struct intern_t
-{
- struct response_t *start;
- struct response_t *next;
-};
-typedef struct intern_t intern_t;
-
-static intern_t intern = {NULL, NULL};
-
-static int
-saveit (int instatus, char *inkey, int inkeylen, char *inval,
- int invallen, char *indata)
-{
- intern_t *intern = (intern_t *)indata;
-
- if (instatus != YP_TRUE)
- return 1;
-
- if (inkey && inkeylen > 0 && inval && invallen > 0)
- {
- struct response_t *newp = malloc (sizeof (struct response_t)
- + invallen + 1);
- if (newp == NULL)
- return 1; /* We have no error code for out of memory */
-
- if (intern->start == NULL)
- intern->start = newp;
- else
- intern->next->next = newp;
- intern->next = newp;
+static intern_t intern;
- newp->next = NULL;
- *((char *) mempcpy (newp->val, inval, invallen)) = '\0';
- }
-
- return 0;
-}
static void
internal_nis_endrpcent (intern_t *intern)
{
- while (intern->start != NULL)
+ struct response_t *curr = intern->next;
+
+ while (curr != NULL)
{
- intern->next = intern->start;
- intern->start = intern->start->next;
- free (intern->next);
+ struct response_t *last = curr;
+ curr = curr->next;
+ free (last);
}
+
+ intern->next = intern->start = NULL;
}
static enum nss_status
@@ -102,10 +66,16 @@ internal_nis_setrpcent (intern_t *intern)
internal_nis_endrpcent (intern);
- ypcb.foreach = saveit;
- ypcb.data = (char *)intern;
- status = yperr2nss (yp_all(domainname, "rpc.bynumber", &ypcb));
+ ypcb.foreach = _nis_saveit;
+ ypcb.data = (char *) intern;
+ status = yperr2nss (yp_all (domainname, "rpc.bynumber", &ypcb));
+
+ /* Mark the last buffer as full. */
+ if (intern->next != NULL)
+ intern->next->size = intern->offset;
+
intern->next = intern->start;
+ intern->offset = 0;
return status;
}
@@ -138,29 +108,60 @@ _nss_nis_endrpcent (void)
static enum nss_status
internal_nis_getrpcent_r (struct rpcent *rpc, char *buffer, size_t buflen,
- int *errnop, intern_t *data)
+ int *errnop, intern_t *intern)
{
struct parser_data *pdata = (void *) buffer;
int parse_res;
char *p;
- if (data->start == NULL)
- internal_nis_setrpcent (data);
+ if (intern->start == NULL)
+ internal_nis_setrpcent (intern);
+
+ if (intern->next == NULL)
+ /* Not one entry in the map. */
+ return NSS_STATUS_NOTFOUND;
/* Get the next entry until we found a correct one. */
do
{
- if (data->next == NULL)
- return NSS_STATUS_NOTFOUND;
+ struct response_t *bucket = intern->next;
- p = strncpy (buffer, data->next->val, buflen);
- while (isspace (*p))
- ++p;
+ if (__builtin_expect (intern->offset >= bucket->size, 0))
+ {
+ if (bucket->next == NULL)
+ return NSS_STATUS_NOTFOUND;
+
+ /* We look at all the content in the current bucket. Go on
+ to the next. */
+ bucket = intern->next = bucket->next;
+ intern->offset = 0;
+ }
+
+ for (p = &bucket->mem[intern->offset]; isspace (*p); ++p)
+ ++intern->offset;
+
+ size_t len = strlen (p) + 1;
+ if (__builtin_expect (len > buflen, 0))
+ {
+ *errnop = ERANGE;
+ return NSS_STATUS_TRYAGAIN;
+ }
+
+ /* We unfortunately have to copy the data in the user-provided
+ buffer because that buffer might be around for a very long
+ time and the servent structure must remain valid. If we would
+ rely on the BUCKET memory the next 'setservent' or 'endservent'
+ call would destroy it.
+
+ The important thing is that it is a single NUL-terminated
+ string. This is what the parsing routine expects. */
+ p = memcpy (buffer, &bucket->mem[intern->offset], len);
parse_res = _nss_files_parse_rpcent (p, rpc, pdata, buflen, errnop);
- if (parse_res == -1)
+ if (__builtin_expect (parse_res == -1, 0))
return NSS_STATUS_TRYAGAIN;
- data->next = data->next->next;
+
+ intern->offset += len;
}
while (!parse_res);
@@ -186,21 +187,18 @@ enum nss_status
_nss_nis_getrpcbyname_r (const char *name, struct rpcent *rpc,
char *buffer, size_t buflen, int *errnop)
{
- intern_t data = {NULL, NULL};
- enum nss_status status;
- int found;
-
if (name == NULL)
{
*errnop = EINVAL;
return NSS_STATUS_UNAVAIL;
}
- status = internal_nis_setrpcent (&data);
- if (status != NSS_STATUS_SUCCESS)
+ intern_t data = { NULL, NULL, 0 };
+ enum nss_status status = internal_nis_setrpcent (&data);
+ if (__builtin_expect (status != NSS_STATUS_SUCCESS, 0))
return status;
- found = 0;
+ int found = 0;
while (!found &&
((status = internal_nis_getrpcent_r (rpc, buffer, buflen, errnop,
&data)) == NSS_STATUS_SUCCESS))
@@ -226,53 +224,52 @@ _nss_nis_getrpcbyname_r (const char *name, struct rpcent *rpc,
internal_nis_endrpcent (&data);
- if (!found && status == NSS_STATUS_SUCCESS)
+ if (__builtin_expect (!found && status == NSS_STATUS_SUCCESS, 0))
return NSS_STATUS_NOTFOUND;
- else
- return status;
+
+ return status;
}
enum nss_status
_nss_nis_getrpcbynumber_r (int number, struct rpcent *rpc,
char *buffer, size_t buflen, int *errnop)
{
- struct parser_data *data = (void *) buffer;
- enum nss_status retval;
- char *domain, *result, *p;
- int len, nlen, parse_res;
- char buf[32];
-
- if (yp_get_default_domain (&domain))
+ char *domain;
+ if (__builtin_expect (yp_get_default_domain (&domain), 0))
return NSS_STATUS_UNAVAIL;
- nlen = sprintf (buf, "%d", number);
+ char buf[32];
+ int nlen = snprintf (buf, sizeof (buf), "%d", number);
- retval = yperr2nss (yp_match (domain, "rpc.bynumber", buf,
- nlen, &result, &len));
+ char *result;
+ int len;
+ int yperr = yp_match (domain, "rpc.bynumber", buf, nlen, &result, &len);
- if (retval != NSS_STATUS_SUCCESS)
+ if (__builtin_expect (yperr != YPERR_SUCCESS, 0))
{
+ enum nss_status retval = yperr2nss (yperr);
+
if (retval == NSS_STATUS_TRYAGAIN)
*errnop = errno;
return retval;
}
- if ((size_t) (len + 1) > buflen)
+ if (__builtin_expect ((size_t) (len + 1) > buflen, 0))
{
free (result);
*errnop = ERANGE;
return NSS_STATUS_TRYAGAIN;
}
- p = strncpy (buffer, result, len);
+ char *p = strncpy (buffer, result, len);
buffer[len] = '\0';
while (isspace (*p))
++p;
free (result);
- parse_res = _nss_files_parse_rpcent (p, rpc, data, buflen, errnop);
-
- if (parse_res < 1)
+ int parse_res = _nss_files_parse_rpcent (p, rpc, (void *) buffer, buflen,
+ errnop);
+ if (__builtin_expect (parse_res < 1, 0))
{
if (parse_res == -1)
return NSS_STATUS_TRYAGAIN;
diff --git a/nis/nss_nis/nis-service.c b/nis/nss_nis/nis-service.c
index 1e879d04e3..59a598f296 100644
--- a/nis/nss_nis/nis-service.c
+++ b/nis/nss_nis/nis-service.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1996-2001, 2002, 2003, 2004 Free Software Foundation, Inc.
+/* Copyright (C) 1996-2004, 2006 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Thorsten Kukuk <kukuk@suse.de>, 1996.
@@ -27,6 +27,7 @@
#include <rpcsvc/ypclnt.h>
#include "nss-nis.h"
+#include <libnsl.h>
/* Get the declaration of the parser function. */
@@ -36,20 +37,7 @@
__libc_lock_define_initialized (static, lock)
-struct response_t
-{
- struct response_t *next;
- char val[0];
-};
-
-struct intern_t
-{
- struct response_t *start;
- struct response_t *next;
-};
-typedef struct intern_t intern_t;
-
-static intern_t intern = { NULL, NULL };
+static intern_t intern;
struct search_t
{
@@ -64,63 +52,31 @@ struct search_t
};
static int
-saveit (int instatus, char *inkey, int inkeylen, char *inval,
- int invallen, char *indata)
-{
- intern_t *intern = (intern_t *) indata;
-
- if (instatus != YP_TRUE)
- return 1;
-
- if (inkey && inkeylen > 0 && inval && invallen > 0)
- {
- struct response_t *newp = malloc (sizeof (struct response_t)
- + invallen + 1);
- if (newp == NULL)
- return 1; /* We have no error code for out of memory */
-
- if (intern->start == NULL)
- intern->start = newp;
- else
- intern->next->next = newp;
- intern->next = newp;
-
- newp->next = NULL;
- *((char *) mempcpy (newp->val, inval, invallen)) = '\0';
- }
-
- return 0;
-}
-
-static int
dosearch (int instatus, char *inkey, int inkeylen, char *inval,
int invallen, char *indata)
{
struct search_t *req = (struct search_t *) indata;
- if (instatus != YP_TRUE)
+ if (__builtin_expect (instatus != YP_TRUE, 0))
return 1;
if (inkey && inkeylen > 0 && inval && invallen > 0)
{
- struct parser_data *pdata = (void *) req->buffer;
- int parse_res;
- char *p;
-
- if ((size_t) (invallen + 1) > req->buflen)
+ if (__builtin_expect ((size_t) (invallen + 1) > req->buflen, 0))
{
*req->errnop = ERANGE;
req->status = NSS_STATUS_TRYAGAIN;
return 1;
}
- p = strncpy (req->buffer, inval, invallen);
+ char *p = strncpy (req->buffer, inval, invallen);
req->buffer[invallen] = '\0';
while (isspace (*p))
++p;
- parse_res = _nss_files_parse_servent (p, req->serv, pdata, req->buflen,
- req->errnop);
+ int parse_res = _nss_files_parse_servent (p, req->serv,
+ (void *) req->buffer,
+ req->buflen, req->errnop);
if (parse_res == -1)
{
req->status = NSS_STATUS_TRYAGAIN;
@@ -154,35 +110,35 @@ dosearch (int instatus, char *inkey, int inkeylen, char *inval,
return 0;
}
-static enum nss_status
-internal_nis_endservent (intern_t * intern)
+static void
+internal_nis_endservent (void)
{
- while (intern->start != NULL)
+ struct response_t *curr = intern.next;
+
+ while (curr != NULL)
{
- intern->next = intern->start;
- intern->start = intern->start->next;
- free (intern->next);
+ struct response_t *last = curr;
+ curr = curr->next;
+ free (last);
}
- return NSS_STATUS_SUCCESS;
+ intern.next = intern.start = NULL;
}
enum nss_status
_nss_nis_endservent (void)
{
- enum nss_status status;
-
__libc_lock_lock (lock);
- status = internal_nis_endservent (&intern);
+ internal_nis_endservent ();
__libc_lock_unlock (lock);
- return status;
+ return NSS_STATUS_SUCCESS;
}
static enum nss_status
-internal_nis_setservent (intern_t *intern)
+internal_nis_setservent (void)
{
char *domainname;
struct ypall_callback ypcb;
@@ -191,12 +147,18 @@ internal_nis_setservent (intern_t *intern)
if (yp_get_default_domain (&domainname))
return NSS_STATUS_UNAVAIL;
- (void) internal_nis_endservent (intern);
+ internal_nis_endservent ();
- ypcb.foreach = saveit;
- ypcb.data = (char *) intern;
+ ypcb.foreach = _nis_saveit;
+ ypcb.data = (char *) &intern;
status = yperr2nss (yp_all (domainname, "services.byname", &ypcb));
- intern->next = intern->start;
+
+ /* Mark the last buffer as full. */
+ if (intern.next != NULL)
+ intern.next->size = intern.offset;
+
+ intern.next = intern.start;
+ intern.offset = 0;
return status;
}
@@ -208,7 +170,7 @@ _nss_nis_setservent (int stayopen)
__libc_lock_lock (lock);
- status = internal_nis_setservent (&intern);
+ status = internal_nis_setservent ();
__libc_lock_unlock (lock);
@@ -217,29 +179,60 @@ _nss_nis_setservent (int stayopen)
static enum nss_status
internal_nis_getservent_r (struct servent *serv, char *buffer,
- size_t buflen, int *errnop, intern_t *data)
+ size_t buflen, int *errnop)
{
struct parser_data *pdata = (void *) buffer;
int parse_res;
char *p;
- if (data->start == NULL)
- internal_nis_setservent (data);
+ if (intern.start == NULL)
+ internal_nis_setservent ();
- /* Get the next entry until we found a correct one. */
+ if (intern.next == NULL)
+ /* Not one entry in the map. */
+ return NSS_STATUS_NOTFOUND;
+
+ /* Get the next entry until we found a correct one. */
do
{
- if (data->next == NULL)
- return NSS_STATUS_NOTFOUND;
+ struct response_t *bucket = intern.next;
- p = strncpy (buffer, data->next->val, buflen);
- while (isspace (*p))
- ++p;
+ if (__builtin_expect (intern.offset >= bucket->size, 0))
+ {
+ if (bucket->next == NULL)
+ return NSS_STATUS_NOTFOUND;
+
+ /* We look at all the content in the current bucket. Go on
+ to the next. */
+ bucket = intern.next = bucket->next;
+ intern.offset = 0;
+ }
+
+ for (p = &bucket->mem[intern.offset]; isspace (*p); ++p)
+ ++intern.offset;
+
+ size_t len = strlen (p) + 1;
+ if (__builtin_expect (len > buflen, 0))
+ {
+ *errnop = ERANGE;
+ return NSS_STATUS_TRYAGAIN;
+ }
+
+ /* We unfortunately have to copy the data in the user-provided
+ buffer because that buffer might be around for a very long
+ time and the servent structure must remain valid. If we would
+ rely on the BUCKET memory the next 'setservent' or 'endservent'
+ call would destroy it.
+
+ The important thing is that it is a single NUL-terminated
+ string. This is what the parsing routine expects. */
+ p = memcpy (buffer, &bucket->mem[intern.offset], len);
parse_res = _nss_files_parse_servent (p, serv, pdata, buflen, errnop);
- if (parse_res == -1)
+ if (__builtin_expect (parse_res == -1, 0))
return NSS_STATUS_TRYAGAIN;
- data->next = data->next->next;
+
+ intern.offset += len;
}
while (!parse_res);
@@ -254,7 +247,7 @@ _nss_nis_getservent_r (struct servent *serv, char *buffer, size_t buflen,
__libc_lock_lock (lock);
- status = internal_nis_getservent_r (serv, buffer, buflen, errnop, &intern);
+ status = internal_nis_getservent_r (serv, buffer, buflen, errnop);
__libc_lock_unlock (lock);
@@ -266,60 +259,55 @@ _nss_nis_getservbyname_r (const char *name, const char *protocol,
struct servent *serv, char *buffer, size_t buflen,
int *errnop)
{
- enum nss_status status;
- char *domain;
-
if (name == NULL)
{
*errnop = EINVAL;
return NSS_STATUS_UNAVAIL;
}
- if (yp_get_default_domain (&domain))
+ char *domain;
+ if (__builtin_expect (yp_get_default_domain (&domain), 0))
return NSS_STATUS_UNAVAIL;
/* If the protocol is given, we could try if our NIS server knows
about services.byservicename map. If yes, we only need one query. */
- char key[strlen (name) + (protocol ? strlen (protocol) : 0) + 2];
- char *cp, *result;
- size_t keylen, len;
- int int_len;
+ size_t keylen = strlen (name) + (protocol ? 1 + strlen (protocol) : 0);
+ char key[keylen + 1];
/* key is: "name/proto" */
- cp = stpcpy (key, name);
- if (protocol)
+ char *cp = stpcpy (key, name);
+ if (protocol != NULL)
{
*cp++ = '/';
strcpy (cp, protocol);
}
- keylen = strlen (key);
- status = yperr2nss (yp_match (domain, "services.byservicename", key,
- keylen, &result, &int_len));
- len = int_len;
+
+ char *result;
+ int int_len;
+ int status = yp_match (domain, "services.byservicename", key,
+ keylen, &result, &int_len);
+ size_t len = int_len;
/* If we found the key, it's ok and parse the result. If not,
fall through and parse the complete table. */
- if (status == NSS_STATUS_SUCCESS)
+ if (__builtin_expect (status == YPERR_SUCCESS, 1))
{
- struct parser_data *pdata = (void *) buffer;
- int parse_res;
- char *p;
-
- if ((size_t) (len + 1) > buflen)
+ if (__builtin_expect ((size_t) (len + 1) > buflen, 0))
{
free (result);
*errnop = ERANGE;
return NSS_STATUS_TRYAGAIN;
}
- p = strncpy (buffer, result, len);
+ char *p = strncpy (buffer, result, len);
buffer[len] = '\0';
while (isspace (*p))
++p;
free (result);
- parse_res = _nss_files_parse_servent (p, serv, pdata,
- buflen, errnop);
- if (parse_res < 0)
+
+ int parse_res = _nss_files_parse_servent (p, serv, (void *) buffer,
+ buflen, errnop);
+ if (__builtin_expect (parse_res < 0, 0))
{
if (parse_res == -1)
return NSS_STATUS_TRYAGAIN;
@@ -331,8 +319,8 @@ _nss_nis_getservbyname_r (const char *name, const char *protocol,
}
/* Check if it is safe to rely on services.byservicename. */
- if (_nis_default_nss () & NSS_FLAG_SERVICES_AUTHORITATIVE)
- return status;
+ if (_nsl_default_nss () & NSS_FLAG_SERVICES_AUTHORITATIVE)
+ return yperr2nss (status);
struct ypall_callback ypcb;
struct search_t req;
@@ -347,10 +335,10 @@ _nss_nis_getservbyname_r (const char *name, const char *protocol,
req.buflen = buflen;
req.errnop = errnop;
req.status = NSS_STATUS_NOTFOUND;
- status = yperr2nss (yp_all (domain, "services.byname", &ypcb));
+ status = yp_all (domain, "services.byname", &ypcb);
- if (status != NSS_STATUS_SUCCESS)
- return status;
+ if (__builtin_expect (status != YPERR_SUCCESS, 0))
+ return yperr2nss (status);
return req.status;
}
@@ -360,10 +348,8 @@ _nss_nis_getservbyport_r (int port, const char *protocol,
struct servent *serv, char *buffer,
size_t buflen, int *errnop)
{
- enum nss_status status;
char *domain;
-
- if (yp_get_default_domain (&domain))
+ if (__builtin_expect (yp_get_default_domain (&domain), 0))
return NSS_STATUS_UNAVAIL;
/* If the protocol is given, we only need one query.
@@ -372,48 +358,44 @@ _nss_nis_getservbyport_r (int port, const char *protocol,
const char *proto = protocol != NULL ? protocol : "tcp";
do
{
+ /* key is: "port/proto" */
char key[sizeof (int) * 3 + strlen (proto) + 2];
+ size_t keylen = snprintf (key, sizeof (key), "%d/%s", ntohs (port),
+ proto);
+
char *result;
- size_t keylen, len;
int int_len;
-
- /* key is: "port/proto" */
- keylen = snprintf (key, sizeof (key), "%d/%s", ntohs (port), proto);
- status = yperr2nss (yp_match (domain, "services.byname", key,
- keylen, &result, &int_len));
- len = int_len;
+ int status = yp_match (domain, "services.byname", key, keylen, &result,
+ &int_len);
+ size_t len = int_len;
/* If we found the key, it's ok and parse the result. If not,
fall through and parse the complete table. */
- if (status == NSS_STATUS_SUCCESS)
+ if (__builtin_expect (status == YPERR_SUCCESS, 1))
{
- struct parser_data *pdata = (void *) buffer;
- int parse_res;
- char *p;
-
- if ((size_t) (len + 1) > buflen)
+ if (__builtin_expect ((size_t) (len + 1) > buflen, 0))
{
free (result);
*errnop = ERANGE;
return NSS_STATUS_TRYAGAIN;
}
- p = strncpy (buffer, result, len);
+ char *p = strncpy (buffer, result, len);
buffer[len] = '\0';
while (isspace (*p))
++p;
free (result);
- parse_res = _nss_files_parse_servent (p, serv, pdata,
- buflen, errnop);
- if (parse_res < 0)
+ int parse_res = _nss_files_parse_servent (p, serv, (void *) buffer,
+ buflen, errnop);
+ if (__builtin_expect (parse_res < 0, 0))
{
if (parse_res == -1)
return NSS_STATUS_TRYAGAIN;
else
return NSS_STATUS_NOTFOUND;
}
- else
- return NSS_STATUS_SUCCESS;
+
+ return NSS_STATUS_SUCCESS;
}
}
while (protocol == NULL && (proto[0] == 't' ? (proto = "udp") : NULL));
@@ -434,10 +416,10 @@ _nss_nis_getservbyport_r (int port, const char *protocol,
req.buflen = buflen;
req.errnop = errnop;
req.status = NSS_STATUS_NOTFOUND;
- status = yperr2nss (yp_all (domain, "services.byname", &ypcb));
+ int status = yp_all (domain, "services.byname", &ypcb);
- if (status != NSS_STATUS_SUCCESS)
- return status;
+ if (__builtin_expect (status != YPERR_SUCCESS, 0))
+ return yperr2nss (status);
return req.status;
}
diff --git a/nis/nss_nis/nis-spwd.c b/nis/nss_nis/nis-spwd.c
index 99a9ed5f48..0fc4e17c42 100644
--- a/nis/nss_nis/nis-spwd.c
+++ b/nis/nss_nis/nis-spwd.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1996-1998, 2001, 2002, 2003 Free Software Foundation, Inc.
+/* Copyright (C) 1996-1998,2001,2002,2003,2006 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Thorsten Kukuk <kukuk@vt.uni-paderborn.de>, 1996.
@@ -68,49 +68,52 @@ static enum nss_status
internal_nis_getspent_r (struct spwd *sp, char *buffer, size_t buflen,
int *errnop)
{
- struct parser_data *data = (void *) buffer;
- char *domain, *result, *outkey;
- int len, keylen, parse_res;
-
- if (yp_get_default_domain (&domain))
+ char *domain;
+ if (__builtin_expect (yp_get_default_domain (&domain), 0))
return NSS_STATUS_UNAVAIL;
/* Get the next entry until we found a correct one. */
+ int parse_res;
do
{
- enum nss_status retval;
- char *p;
+ char *result;
+ char *outkey;
+ int len;
+ int keylen;
+ int yperr;
if (new_start)
- retval = yperr2nss (yp_first (domain, "shadow.byname",
- &outkey, &keylen, &result, &len));
+ yperr = yp_first (domain, "shadow.byname", &outkey, &keylen, &result,
+ &len);
else
- retval = yperr2nss ( yp_next (domain, "shadow.byname",
- oldkey, oldkeylen,
- &outkey, &keylen, &result, &len));
+ yperr = yp_next (domain, "shadow.byname", oldkey, oldkeylen, &outkey,
+ &keylen, &result, &len);
- if (retval != NSS_STATUS_SUCCESS)
+ if (__builtin_expect (yperr != YPERR_SUCCESS, 0))
{
+ enum nss_status retval = yperr2nss (yperr);
+
if (retval == NSS_STATUS_TRYAGAIN)
*errnop = errno;
return retval;
}
- if ((size_t) (len + 1) > buflen)
+ if (__builtin_expect ((size_t) (len + 1) > buflen, 0))
{
free (result);
*errnop = ERANGE;
return NSS_STATUS_TRYAGAIN;
}
- p = strncpy (buffer, result, len);
+ char *p = strncpy (buffer, result, len);
buffer[len] = '\0';
while (isspace (*p))
++p;
free (result);
- parse_res = _nss_files_parse_spent (p, sp, data, buflen, errnop);
- if (parse_res == -1)
+ parse_res = _nss_files_parse_spent (p, sp, (void *) buffer, buflen,
+ errnop);
+ if (__builtin_expect (parse_res == -1, 0))
{
free (outkey);
*errnop = ERANGE;
@@ -146,45 +149,46 @@ enum nss_status
_nss_nis_getspnam_r (const char *name, struct spwd *sp,
char *buffer, size_t buflen, int *errnop)
{
- struct parser_data *data = (void *) buffer;
- enum nss_status retval;
- char *domain, *result, *p;
- int len, parse_res;
-
if (name == NULL)
{
*errnop = EINVAL;
return NSS_STATUS_UNAVAIL;
}
- if (yp_get_default_domain (&domain))
+ char *domain;
+ if (__builtin_expect (yp_get_default_domain (&domain), 0))
return NSS_STATUS_UNAVAIL;
- retval = yperr2nss (yp_match (domain, "shadow.byname", name,
- strlen (name), &result, &len));
+ char *result;
+ int len;
+ int yperr = yp_match (domain, "shadow.byname", name, strlen (name), &result,
+ &len);
- if (retval != NSS_STATUS_SUCCESS)
+ if (__builtin_expect (yperr != YPERR_SUCCESS, 0))
{
+ enum nss_status retval = yperr2nss (yperr);
+
if (retval == NSS_STATUS_TRYAGAIN)
*errnop = errno;
return retval;
}
- if ((size_t) (len + 1) > buflen)
+ if (__builtin_expect ((size_t) (len + 1) > buflen, 0))
{
free (result);
*errnop = ERANGE;
return NSS_STATUS_TRYAGAIN;
}
- p = strncpy (buffer, result, len);
+ char *p = strncpy (buffer, result, len);
buffer[len] = '\0';
while (isspace (*p))
++p;
free (result);
- parse_res = _nss_files_parse_spent (p, sp, data, buflen, errnop);
- if (parse_res < 1)
+ int parse_res = _nss_files_parse_spent (p, sp, (void *) buffer, buflen,
+ errnop);
+ if (__builtin_expect (parse_res < 1, 0))
{
if (parse_res == -1)
return NSS_STATUS_TRYAGAIN;
diff --git a/nis/nss_nisplus/nisplus-alias.c b/nis/nss_nisplus/nisplus-alias.c
index 152e5fc3fc..57858721a1 100644
--- a/nis/nss_nisplus/nisplus-alias.c
+++ b/nis/nss_nisplus/nisplus-alias.c
@@ -1,4 +1,5 @@
-/* Copyright (C) 1997, 1998, 2001, 2002, 2003 Free Software Foundation, Inc.
+/* Copyright (C) 1997, 1998, 2001, 2002, 2003, 2005, 2006
+ Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Thorsten Kukuk <kukuk@vt.uni-paderborn.de>, 1997.
@@ -17,6 +18,7 @@
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
+#include <atomic.h>
#include <nss.h>
#include <errno.h>
#include <ctype.h>
@@ -32,32 +34,39 @@ __libc_lock_define_initialized (static, lock)
static nis_result *result;
static u_long next_entry;
static nis_name tablename_val;
-static u_long tablename_len;
+static size_t tablename_len;
-#define NISENTRYVAL(idx,col,res) \
- ((res)->objects.objects_val[(idx)].EN_data.en_cols.en_cols_val[(col)].ec_value.ec_value_val)
+#define NISENTRYVAL(idx, col, res) \
+ (NIS_RES_OBJECT (res)[idx].EN_data.en_cols.en_cols_val[col].ec_value.ec_value_val)
-#define NISENTRYLEN(idx,col,res) \
- ((res)->objects.objects_val[(idx)].EN_data.en_cols.en_cols_val[(col)].ec_value.ec_value_len)
+#define NISENTRYLEN(idx, col, res) \
+ (NIS_RES_OBJECT (res)[idx].EN_data.en_cols.en_cols_val[col].ec_value.ec_value_len)
static enum nss_status
_nss_create_tablename (int *errnop)
{
if (tablename_val == NULL)
{
- char buf [40 + strlen (nis_local_directory ())];
- char *p;
+ const char *local_dir = nis_local_directory ();
+ size_t local_dir_len = strlen (local_dir);
+ static const char prefix[] = "mail_aliases.org_dir.";
- p = __stpcpy (buf, "mail_aliases.org_dir.");
- p = __stpcpy (p, nis_local_directory ());
- tablename_val = __strdup (buf);
- if (tablename_val == NULL)
+ char *p = malloc (sizeof (prefix) + local_dir_len);
+ if (p == NULL)
{
*errnop = errno;
return NSS_STATUS_TRYAGAIN;
}
- tablename_len = strlen (tablename_val);
+
+ memcpy (__stpcpy (p, prefix), local_dir, local_dir_len + 1);
+
+ tablename_len = sizeof (prefix) - 1 + local_dir_len;
+
+ atomic_write_barrier ();
+
+ tablename_val = p;
}
+
return NSS_STATUS_SUCCESS;
}
@@ -70,86 +79,87 @@ _nss_nisplus_parse_aliasent (nis_result *result, unsigned long entry,
return 0;
if ((result->status != NIS_SUCCESS && result->status != NIS_S_SUCCESS)
- || __type_of (&result->objects.objects_val[entry]) != NIS_ENTRY_OBJ
- || strcmp (result->objects.objects_val[entry].EN_data.en_type,
+ || __type_of (&NIS_RES_OBJECT (result)[entry]) != NIS_ENTRY_OBJ
+ || strcmp (NIS_RES_OBJECT (result)[entry].EN_data.en_type,
"mail_aliases") != 0
- || result->objects.objects_val[entry].EN_data.en_cols.en_cols_len < 2)
+ || NIS_RES_OBJECT (result)[entry].EN_data.en_cols.en_cols_len < 2)
return 0;
- else
+
+ if (NISENTRYLEN (entry, 1, result) >= buflen)
{
- char *first_unused = buffer + NISENTRYLEN (0, 1, result) + 1;
- size_t room_left =
- buflen - (buflen % __alignof__ (char *)) -
- NISENTRYLEN (0, 1, result) - 2;
- char *line;
- char *cp;
-
- if (NISENTRYLEN (entry, 1, result) >= buflen)
- {
- /* The line is too long for our buffer. */
- no_more_room:
- *errnop = ERANGE;
- return -1;
- }
- else
- {
- cp = __stpncpy (buffer, NISENTRYVAL (entry, 1, result),
- NISENTRYLEN (entry, 1, result));
- *cp = '\0';
- }
+ /* The line is too long for our buffer. */
+ no_more_room:
+ *errnop = ERANGE;
+ return -1;
+ }
+
+ char *cp = __stpncpy (buffer, NISENTRYVAL (entry, 1, result),
+ NISENTRYLEN (entry, 1, result));
+ *cp = '\0';
+
+ char *first_unused = cp + 1;
+ size_t room_left = buflen - (first_unused - buffer);
- if (NISENTRYLEN(entry, 0, result) >= room_left)
+ alias->alias_local = 0;
+ alias->alias_members_len = 0;
+
+ if (NISENTRYLEN (entry, 0, result) >= room_left)
+ goto no_more_room;
+
+ cp = __stpncpy (first_unused, NISENTRYVAL (entry, 0, result),
+ NISENTRYLEN (entry, 0, result));
+ *cp = '\0';
+ alias->alias_name = first_unused;
+
+ /* Terminate the line for any case. */
+ cp = strpbrk (alias->alias_name, "#\n");
+ if (cp != NULL)
+ *cp = '\0';
+
+ size_t len = strlen (alias->alias_name) + 1;
+ first_unused += len;
+ room_left -= len;
+
+ /* Adjust the pointer so it is aligned for
+ storing pointers. */
+ size_t adjust = ((__alignof__ (char *)
+ - (first_unused - (char *) 0) % __alignof__ (char *))
+ % __alignof__ (char *));
+ if (room_left < adjust)
+ goto no_more_room;
+ first_unused += adjust;
+ room_left -= adjust;
+
+ alias->alias_members = (char **) first_unused;
+
+ char *line = buffer;
+ while (*line != '\0')
+ {
+ /* Skip leading blanks. */
+ while (isspace (*line))
+ ++line;
+
+ if (*line == '\0')
+ break;
+
+ if (room_left < sizeof (char *))
goto no_more_room;
+ room_left -= sizeof (char *);
+ alias->alias_members[alias->alias_members_len] = line;
+
+ while (*line != '\0' && *line != ',')
+ ++line;
- alias->alias_local = 0;
- alias->alias_members_len = 0;
- *first_unused = '\0';
- ++first_unused;
- cp = __stpncpy (first_unused, NISENTRYVAL (entry, 0, result),
- NISENTRYLEN (entry, 0, result));
- *cp = '\0';
- alias->alias_name = first_unused;
-
- /* Terminate the line for any case. */
- cp = strpbrk (alias->alias_name, "#\n");
- if (cp != NULL)
- *cp = '\0';
-
- first_unused += strlen (alias->alias_name) +1;
- /* Adjust the pointer so it is aligned for
- storing pointers. */
- first_unused += __alignof__ (char *) - 1;
- first_unused -= ((first_unused - (char *) 0) % __alignof__ (char *));
- alias->alias_members = (char **) first_unused;
-
- line = buffer;
-
- while (*line != '\0')
+ if (line != alias->alias_members[alias->alias_members_len])
{
- /* Skip leading blanks. */
- while (isspace (*line))
- ++line;
-
- if (*line == '\0')
- break;
-
- if (room_left < sizeof (char *))
- goto no_more_room;
- room_left -= sizeof (char *);
- alias->alias_members[alias->alias_members_len] = line;
-
- while (*line != '\0' && *line != ',')
- ++line;
-
- if (line != alias->alias_members[alias->alias_members_len])
- {
- *line++ = '\0';
- alias->alias_members_len++;
- }
+ *line++ = '\0';
+ ++alias->alias_members_len;
}
-
- return alias->alias_members_len == 0 ? 0 : 1;
+ else if (*line == ',')
+ ++line;
}
+
+ return alias->alias_members_len == 0 ? 0 : 1;
}
static enum nss_status
@@ -158,9 +168,11 @@ internal_setaliasent (void)
enum nss_status status;
int err;
- if (result)
- nis_freeresult (result);
- result = NULL;
+ if (result != NULL)
+ {
+ nis_freeresult (result);
+ result = NULL;
+ }
if (_nss_create_tablename (&err) != NSS_STATUS_SUCCESS)
return NSS_STATUS_UNAVAIL;
@@ -203,9 +215,11 @@ _nss_nisplus_endaliasent (void)
{
__libc_lock_lock (lock);
- if (result)
- nis_freeresult (result);
- result = NULL;
+ if (result != NULL)
+ {
+ nis_freeresult (result);
+ result = NULL;
+ }
next_entry = 0;
__libc_lock_unlock (lock);
@@ -240,7 +254,8 @@ internal_nisplus_getaliasent_r (struct aliasent *alias,
return NSS_STATUS_TRYAGAIN;
++next_entry;
- } while (!parse_res);
+ }
+ while (!parse_res);
return NSS_STATUS_SUCCESS;
}
@@ -268,7 +283,12 @@ _nss_nisplus_getaliasbyname_r (const char *name, struct aliasent *alias,
if (tablename_val == NULL)
{
+ __libc_lock_lock (lock);
+
enum nss_status status = _nss_create_tablename (errnop);
+
+ __libc_lock_unlock (lock);
+
if (status != NSS_STATUS_SUCCESS)
return status;
}
@@ -278,35 +298,42 @@ _nss_nisplus_getaliasbyname_r (const char *name, struct aliasent *alias,
*errnop = EINVAL;
return NSS_STATUS_UNAVAIL;
}
- else
+
+ char buf[strlen (name) + 9 + tablename_len];
+ int olderr = errno;
+
+ snprintf (buf, sizeof (buf), "[name=%s],%s", name, tablename_val);
+
+ nis_result *result = nis_list (buf, FOLLOW_PATH | FOLLOW_LINKS, NULL, NULL);
+
+ if (result == NULL)
{
- nis_result *result;
- char buf[strlen (name) + 30 + tablename_len];
- int olderr = errno;
+ *errnop = ENOMEM;
+ return NSS_STATUS_TRYAGAIN;
+ }
- sprintf (buf, "[name=%s],%s", name, tablename_val);
+ if (__builtin_expect (niserr2nss (result->status) != NSS_STATUS_SUCCESS, 0))
+ {
+ enum nss_status status = niserr2nss (result->status);
+ nis_freeresult (result);
+ return status;
+ }
- result = nis_list (buf, FOLLOW_PATH | FOLLOW_LINKS, NULL, NULL);
+ parse_res = _nss_nisplus_parse_aliasent (result, 0, alias,
+ buffer, buflen, errnop);
- if (result == NULL)
- {
- *errnop = ENOMEM;
- return NSS_STATUS_TRYAGAIN;
- }
- if (niserr2nss (result->status) != NSS_STATUS_SUCCESS)
- return niserr2nss (result->status);
+ /* We do not need the lookup result anymore. */
+ nis_freeresult (result);
- parse_res = _nss_nisplus_parse_aliasent (result, 0, alias,
- buffer, buflen, errnop);
- if (parse_res < 1)
- {
- __set_errno (olderr);
+ if (__builtin_expect (parse_res < 1, 0))
+ {
+ __set_errno (olderr);
- if (parse_res == -1)
- return NSS_STATUS_TRYAGAIN;
- else
- return NSS_STATUS_NOTFOUND;
- }
- return NSS_STATUS_SUCCESS;
+ if (parse_res == -1)
+ return NSS_STATUS_TRYAGAIN;
+ else
+ return NSS_STATUS_NOTFOUND;
}
+
+ return NSS_STATUS_SUCCESS;
}
diff --git a/nis/nss_nisplus/nisplus-ethers.c b/nis/nss_nisplus/nisplus-ethers.c
index 028309c841..298869f931 100644
--- a/nis/nss_nisplus/nisplus-ethers.c
+++ b/nis/nss_nisplus/nisplus-ethers.c
@@ -1,4 +1,5 @@
-/* Copyright (C) 1997,1998,2000,2001,2002,2003 Free Software Foundation, Inc.
+/* Copyright (C) 1997,1998,2000-2003,2005,2006,2007
+ Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Thorsten Kukuk <kukuk@suse.de>, 1997.
@@ -17,15 +18,17 @@
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
-#include <nss.h>
-#include <errno.h>
+#include <atomic.h>
#include <ctype.h>
-#include <string.h>
-#include <bits/libc-lock.h>
+#include <errno.h>
+#include <inttypes.h>
#include <netdb.h>
+#include <nss.h>
+#include <string.h>
#include <netinet/ether.h>
-#include <rpcsvc/nis.h>
#include <netinet/if_ether.h>
+#include <rpcsvc/nis.h>
+#include <bits/libc-lock.h>
#include "nss-nisplus.h"
@@ -36,11 +39,11 @@ static nis_name tablename_val;
static u_long tablename_len;
-#define NISENTRYVAL(idx,col,res) \
- ((res)->objects.objects_val[(idx)].zo_data.objdata_u.en_data.en_cols.en_cols_val[(col)].ec_value.ec_value_val)
+#define NISENTRYVAL(idx, col, res) \
+ (NIS_RES_OBJECT (res)[idx].zo_data.objdata_u.en_data.en_cols.en_cols_val[col].ec_value.ec_value_val)
-#define NISENTRYLEN(idx,col,res) \
- ((res)->objects.objects_val[(idx)].zo_data.objdata_u.en_data.en_cols.en_cols_val[(col)].ec_value.ec_value_len)
+#define NISENTRYLEN(idx, col, res) \
+ (NIS_RES_OBJECT (res)[idx].zo_data.objdata_u.en_data.en_cols.en_cols_val[col].ec_value.ec_value_len)
static int
_nss_nisplus_parse_etherent (nis_result *result, struct etherent *ether,
@@ -53,7 +56,7 @@ _nss_nisplus_parse_etherent (nis_result *result, struct etherent *ether,
return 0;
if ((result->status != NIS_SUCCESS && result->status != NIS_S_SUCCESS)
- || result->objects.objects_len != 1
+ || NIS_RES_NUMOBJ (result) != 1
|| __type_of (NIS_RES_OBJECT (result)) != NIS_ENTRY_OBJ
|| strcmp (NIS_RES_OBJECT (result)->EN_data.en_type,
"ethers_tbl") != 0
@@ -61,16 +64,25 @@ _nss_nisplus_parse_etherent (nis_result *result, struct etherent *ether,
return 0;
/* Generate the ether entry format and use the normal parser */
- if (NISENTRYLEN (0, 0, result) +1 > room_left)
+ if (NISENTRYLEN (0, 0, result) + 1 > room_left)
{
*errnop = ERANGE;
return -1;
}
- strncpy (p, NISENTRYVAL (0, 0, result), NISENTRYLEN (0, 0, result));
- room_left -= (NISENTRYLEN (0, 0, result) +1);
+ char *cp = __stpncpy (p, NISENTRYVAL (0, 0, result),
+ NISENTRYLEN (0, 0, result));
+ *cp = '\0';
+ room_left -= NISENTRYLEN (0, 0, result) + 1;
ether->e_name = p;
- ether->e_addr = *ether_aton (NISENTRYVAL (0, 1, result));
+ struct ether_addr *ea = ether_aton (NISENTRYVAL (0, 1, result));
+ if (ea == NULL)
+ {
+ *errnop = EINVAL;
+ return -2;
+ }
+
+ ether->e_addr = *ea;
return 1;
}
@@ -80,18 +92,24 @@ _nss_create_tablename (int *errnop)
{
if (tablename_val == NULL)
{
- char buf [40 + strlen (nis_local_directory ())];
- char *p;
+ const char *local_dir = nis_local_directory ();
+ size_t local_dir_len = strlen (local_dir);
+ static const char prefix[] = "ethers.org_dir.";
- p = __stpcpy (buf, "ethers.org_dir.");
- p = __stpcpy (p, nis_local_directory ());
- tablename_val = __strdup (buf);
- if (tablename_val == NULL)
+ char *p = malloc (sizeof (prefix) + local_dir_len);
+ if (p == NULL)
{
*errnop = errno;
return NSS_STATUS_TRYAGAIN;
}
- tablename_len = strlen (tablename_val);
+
+ memcpy (__stpcpy (p, prefix), local_dir, local_dir_len + 1);
+
+ tablename_len = sizeof (prefix) - 1 + local_dir_len;
+
+ atomic_write_barrier ();
+
+ tablename_val = p;
}
return NSS_STATUS_SUCCESS;
}
@@ -107,9 +125,11 @@ _nss_nisplus_setetherent (int stayopen)
__libc_lock_lock (lock);
- if (result)
- nis_freeresult (result);
- result = NULL;
+ if (result != NULL)
+ {
+ nis_freeresult (result);
+ result = NULL;
+ }
if (_nss_create_tablename (&err) != NSS_STATUS_SUCCESS)
status = NSS_STATUS_UNAVAIL;
@@ -124,9 +144,11 @@ _nss_nisplus_endetherent (void)
{
__libc_lock_lock (lock);
- if (result)
- nis_freeresult (result);
- result = NULL;
+ if (result != NULL)
+ {
+ nis_freeresult (result);
+ result = NULL;
+ }
__libc_lock_unlock (lock);
@@ -137,8 +159,6 @@ static enum nss_status
internal_nisplus_getetherent_r (struct etherent *ether, char *buffer,
size_t buflen, int *errnop)
{
- int parse_res;
-
if (tablename_val == NULL)
{
enum nss_status status = _nss_create_tablename (errnop);
@@ -148,6 +168,7 @@ internal_nisplus_getetherent_r (struct etherent *ether, char *buffer,
}
/* Get the next entry until we found a correct one. */
+ int parse_res;
do
{
nis_result *saved_result;
@@ -156,16 +177,23 @@ internal_nisplus_getetherent_r (struct etherent *ether, char *buffer,
{
saved_result = NULL;
result = nis_first_entry (tablename_val);
+ if (result == NULL)
+ {
+ *errnop = errno;
+ return NSS_STATUS_TRYAGAIN;
+ }
if (niserr2nss (result->status) != NSS_STATUS_SUCCESS)
return niserr2nss (result->status);
}
else
{
- nis_result *res2;
-
- res2 = nis_next_entry(tablename_val, &result->cookie);
saved_result = result;
- result = res2;
+ result = nis_next_entry (tablename_val, &result->cookie);
+ if (result == NULL)
+ {
+ *errnop = errno;
+ return NSS_STATUS_TRYAGAIN;
+ }
if (niserr2nss (result->status) != NSS_STATUS_SUCCESS)
{
nis_freeresult (saved_result);
@@ -178,17 +206,15 @@ internal_nisplus_getetherent_r (struct etherent *ether, char *buffer,
if (parse_res == -1)
{
nis_freeresult (result);
- *errnop = ERANGE;
result = saved_result;
return NSS_STATUS_TRYAGAIN;
}
- else
- {
- if (saved_result != NULL)
- nis_freeresult (saved_result);
- }
- } while (!parse_res);
+ if (saved_result != NULL)
+ nis_freeresult (saved_result);
+
+ }
+ while (!parse_res);
return NSS_STATUS_SUCCESS;
}
@@ -212,8 +238,6 @@ enum nss_status
_nss_nisplus_gethostton_r (const char *name, struct etherent *eth,
char *buffer, size_t buflen, int *errnop)
{
- int parse_res;
-
if (tablename_val == NULL)
{
enum nss_status status = _nss_create_tablename (errnop);
@@ -227,56 +251,59 @@ _nss_nisplus_gethostton_r (const char *name, struct etherent *eth,
*errnop = EINVAL;
return NSS_STATUS_UNAVAIL;
}
- else
- {
- nis_result *result;
- char buf[strlen (name) + 40 + tablename_len];
- int olderr = errno;
- sprintf (buf, "[name=%s],%s", name, tablename_val);
+ char buf[strlen (name) + 9 + tablename_len];
+ int olderr = errno;
- result = nis_list (buf, FOLLOW_PATH | FOLLOW_LINKS, NULL, NULL);
+ snprintf (buf, sizeof (buf), "[name=%s],%s", name, tablename_val);
- if (result == NULL)
- {
- *errnop = ENOMEM;
- return NSS_STATUS_TRYAGAIN;
- }
- if (niserr2nss (result->status) != NSS_STATUS_SUCCESS)
- {
- enum nss_status status = niserr2nss (result->status);
- nis_freeresult (result);
- return status;
- }
+ nis_result *result = nis_list (buf, FOLLOW_PATH | FOLLOW_LINKS | USE_DGRAM,
+ NULL, NULL);
- parse_res = _nss_nisplus_parse_etherent (result, eth, buffer,
+ if (result == NULL)
+ {
+ *errnop = ENOMEM;
+ return NSS_STATUS_TRYAGAIN;
+ }
+
+ if (__builtin_expect (niserr2nss (result->status) != NSS_STATUS_SUCCESS, 0))
+ {
+ enum nss_status status = niserr2nss (result->status);
+ nis_freeresult (result);
+ return status;
+ }
+
+ int parse_res = _nss_nisplus_parse_etherent (result, eth, buffer,
buflen, errnop);
- if (parse_res < 1)
- {
- __set_errno (olderr);
- if (parse_res == -1)
- {
- nis_freeresult (result);
- *errnop = ERANGE;
- return NSS_STATUS_TRYAGAIN;
- }
- else
- return NSS_STATUS_NOTFOUND;
- }
- return NSS_STATUS_SUCCESS;
+ /* We do not need the lookup result anymore. */
+ nis_freeresult (result);
+
+ if (__builtin_expect (parse_res < 1, 0))
+ {
+ __set_errno (olderr);
+
+ if (parse_res == -1)
+ return NSS_STATUS_TRYAGAIN;
+
+ return NSS_STATUS_NOTFOUND;
}
+
+ return NSS_STATUS_SUCCESS;
}
enum nss_status
-_nss_nisplus_getntohost_r (const struct ether_addr *addr,
- struct etherent *eth,
+_nss_nisplus_getntohost_r (const struct ether_addr *addr, struct etherent *eth,
char *buffer, size_t buflen, int *errnop)
{
if (tablename_val == NULL)
{
+ __libc_lock_lock (lock);
+
enum nss_status status = _nss_create_tablename (errnop);
+ __libc_lock_unlock (lock);
+
if (status != NSS_STATUS_SUCCESS)
return status;
}
@@ -286,44 +313,46 @@ _nss_nisplus_getntohost_r (const struct ether_addr *addr,
*errnop = EINVAL;
return NSS_STATUS_UNAVAIL;
}
- else
- {
- int parse_res;
- nis_result *result;
- char buf[255 + tablename_len];
- sprintf (buf, "[addr=%x:%x:%x:%x:%x:%x],ethers.org_dir",
- addr->ether_addr_octet[0], addr->ether_addr_octet[1],
- addr->ether_addr_octet[2], addr->ether_addr_octet[3],
- addr->ether_addr_octet[4], addr->ether_addr_octet[5]);
+ char buf[26 + tablename_len];
- result = nis_list (buf, FOLLOW_PATH | FOLLOW_LINKS, NULL, NULL);
+ snprintf (buf, sizeof (buf),
+ "[addr=%" PRIx8 ":%" PRIx8 ":%" PRIx8 ":%" PRIx8 ":%" PRIx8
+ ":%" PRIx8 "],%s",
+ addr->ether_addr_octet[0], addr->ether_addr_octet[1],
+ addr->ether_addr_octet[2], addr->ether_addr_octet[3],
+ addr->ether_addr_octet[4], addr->ether_addr_octet[5],
+ tablename_val);
- if (result == NULL)
- {
- *errnop = ENOMEM;
- return NSS_STATUS_TRYAGAIN;
- }
- if (niserr2nss (result->status) != NSS_STATUS_SUCCESS)
- {
- enum nss_status status = niserr2nss (result->status);
- nis_freeresult (result);
- return status;
- }
+ nis_result *result = nis_list (buf, FOLLOW_PATH | FOLLOW_LINKS | USE_DGRAM,
+ NULL, NULL);
+
+ if (result == NULL)
+ {
+ *errnop = ENOMEM;
+ return NSS_STATUS_TRYAGAIN;
+ }
+
+ if (__builtin_expect (niserr2nss (result->status) != NSS_STATUS_SUCCESS, 0))
+ {
+ enum nss_status status = niserr2nss (result->status);
+ nis_freeresult (result);
+ return status;
+ }
- parse_res = _nss_nisplus_parse_etherent (result, eth, buffer,
+ int parse_res = _nss_nisplus_parse_etherent (result, eth, buffer,
buflen, errnop);
- if (parse_res < 1)
- {
- if (parse_res == -1)
- {
- nis_freeresult (result);
- *errnop = ERANGE;
- return NSS_STATUS_TRYAGAIN;
- }
- else
- return NSS_STATUS_NOTFOUND;
- }
- return NSS_STATUS_SUCCESS;
+
+ /* We do not need the lookup result anymore. */
+ nis_freeresult (result);
+
+ if (__builtin_expect (parse_res < 1, 0))
+ {
+ if (parse_res == -1)
+ return NSS_STATUS_TRYAGAIN;
+
+ return NSS_STATUS_NOTFOUND;
}
+
+ return NSS_STATUS_SUCCESS;
}
diff --git a/nis/nss_nisplus/nisplus-grp.c b/nis/nss_nisplus/nisplus-grp.c
index daca94fc87..7cc762fea9 100644
--- a/nis/nss_nisplus/nisplus-grp.c
+++ b/nis/nss_nisplus/nisplus-grp.c
@@ -1,4 +1,5 @@
-/* Copyright (C) 1997, 2001, 2002, 2003 Free Software Foundation, Inc.
+/* Copyright (C) 1997, 2001, 2002, 2003, 2005, 2006
+ Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Thorsten Kukuk <kukuk@vt.uni-paderborn.de>, 1997.
@@ -17,6 +18,7 @@
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
+#include <atomic.h>
#include <nss.h>
#include <grp.h>
#include <ctype.h>
@@ -27,68 +29,110 @@
#include "nss-nisplus.h"
#include "nisplus-parser.h"
+#include <libnsl.h>
+#include <nis_intern.h>
+#include <nis_xdr.h>
+
__libc_lock_define_initialized (static, lock);
-static nis_result *result;
-static unsigned long next_entry;
-static nis_name tablename_val;
-static u_long tablename_len;
+/* Connection information. */
+static ib_request *ibreq;
+static directory_obj *dir;
+static dir_binding bptr;
+static char *tablepath;
+static char *tableptr;
+/* Cursor. */
+static netobj cursor;
-static enum nss_status
-_nss_create_tablename (int *errnop)
+
+nis_name grp_tablename_val attribute_hidden;
+size_t grp_tablename_len attribute_hidden;
+
+enum nss_status
+_nss_grp_create_tablename (int *errnop)
{
- if (tablename_val == NULL)
+ if (grp_tablename_val == NULL)
{
- char buf [40 + strlen (nis_local_directory ())];
- char *p;
+ const char *local_dir = nis_local_directory ();
+ size_t local_dir_len = strlen (local_dir);
+ static const char prefix[] = "group.org_dir.";
- p = __stpcpy (buf, "group.org_dir.");
- p = __stpcpy (p, nis_local_directory ());
- tablename_val = __strdup (buf);
- if (tablename_val == NULL)
+ char *p = malloc (sizeof (prefix) + local_dir_len);
+ if (p == NULL)
{
*errnop = errno;
return NSS_STATUS_TRYAGAIN;
}
- tablename_len = strlen (tablename_val);
+
+ memcpy (__stpcpy (p, prefix), local_dir, local_dir_len + 1);
+
+ grp_tablename_len = sizeof (prefix) - 1 + local_dir_len;
+
+ atomic_write_barrier ();
+
+ if (atomic_compare_and_exchange_bool_acq (&grp_tablename_val, p, NULL))
+ {
+ /* Another thread already installed the value. */
+ free (p);
+ grp_tablename_len = strlen (grp_tablename_val);
+ }
}
+
return NSS_STATUS_SUCCESS;
}
-static enum nss_status
-internal_setgrent (void)
+
+static void
+internal_endgrent (void)
{
- enum nss_status status;
- int err;
+ __nisbind_destroy (&bptr);
+ memset (&bptr, '\0', sizeof (bptr));
- if (result)
- nis_freeresult (result);
- result = NULL;
- next_entry = 0;
+ nis_free_directory (dir);
+ dir = NULL;
- if (tablename_val == NULL)
- if (_nss_create_tablename (&err) != NSS_STATUS_SUCCESS)
- return NSS_STATUS_UNAVAIL;
+ nis_free_request (ibreq);
+ ibreq = NULL;
- result = nis_list (tablename_val, FOLLOW_LINKS | FOLLOW_PATH, NULL, NULL);
- if (result == NULL)
- {
- status = NSS_STATUS_TRYAGAIN;
- __set_errno (ENOMEM);
- }
- else
+ xdr_free ((xdrproc_t) xdr_netobj, (char *) &cursor);
+ memset (&cursor, '\0', sizeof (cursor));
+
+ free (tablepath);
+ tableptr = tablepath = NULL;
+}
+
+
+static enum nss_status
+internal_setgrent (int *errnop)
+{
+ enum nss_status status = NSS_STATUS_SUCCESS;
+
+ if (grp_tablename_val == NULL)
+ status = _nss_grp_create_tablename (errnop);
+
+ if (status == NSS_STATUS_SUCCESS)
{
- status = niserr2nss (result->status);
- if (status != NSS_STATUS_SUCCESS)
+ ibreq = __create_ib_request (grp_tablename_val, 0);
+ if (ibreq == NULL)
{
- nis_freeresult (result);
- result = NULL;
+ *errnop = errno;
+ return NSS_STATUS_TRYAGAIN;
+ }
+
+ nis_error retcode = __prepare_niscall (grp_tablename_val, &dir, &bptr, 0);
+ if (retcode != NIS_SUCCESS)
+ {
+ nis_free_request (ibreq);
+ ibreq = NULL;
+ status = niserr2nss (retcode);
}
}
+
return status;
}
+
enum nss_status
_nss_nisplus_setgrent (int stayopen)
{
@@ -96,58 +140,133 @@ _nss_nisplus_setgrent (int stayopen)
__libc_lock_lock (lock);
- status = internal_setgrent ();
+ internal_endgrent ();
+
+ // XXX We need to be able to set errno. Pass in new parameter.
+ int err;
+ status = internal_setgrent (&err);
__libc_lock_unlock (lock);
return status;
}
+
enum nss_status
_nss_nisplus_endgrent (void)
{
__libc_lock_lock (lock);
- if (result)
- nis_freeresult (result);
- result = NULL;
+ internal_endgrent ();
__libc_lock_unlock (lock);
return NSS_STATUS_SUCCESS;
}
+
static enum nss_status
internal_nisplus_getgrent_r (struct group *gr, char *buffer, size_t buflen,
int *errnop)
{
- int parse_res;
-
- if (result == NULL)
- {
- enum nss_status status;
-
- status = internal_setgrent ();
- if (result == NULL || status != NSS_STATUS_SUCCESS)
- return status;
- }
+ int parse_res = -1;
+ enum nss_status retval = NSS_STATUS_SUCCESS;
/* Get the next entry until we found a correct one. */
do
{
- if (next_entry >= result->objects.objects_len)
- return NSS_STATUS_NOTFOUND;
+ nis_error status;
+ nis_result result;
+ memset (&result, '\0', sizeof (result));
+
+ if (cursor.n_bytes == NULL)
+ {
+ if (ibreq == NULL)
+ {
+ retval = internal_setgrent (errnop);
+ if (retval != NSS_STATUS_SUCCESS)
+ return retval;
+ }
+
+ status = __do_niscall3 (&bptr, NIS_IBFIRST,
+ (xdrproc_t) _xdr_ib_request,
+ (caddr_t) ibreq,
+ (xdrproc_t) _xdr_nis_result,
+ (caddr_t) &result,
+ 0, NULL);
+ }
+ else
+ {
+ ibreq->ibr_cookie.n_bytes = cursor.n_bytes;
+ ibreq->ibr_cookie.n_len = cursor.n_len;
+
+ status = __do_niscall3 (&bptr, NIS_IBNEXT,
+ (xdrproc_t) _xdr_ib_request,
+ (caddr_t) ibreq,
+ (xdrproc_t) _xdr_nis_result,
+ (caddr_t) &result,
+ 0, NULL);
+
+ ibreq->ibr_cookie.n_bytes = NULL;
+ ibreq->ibr_cookie.n_len = 0;
+ }
+
+ if (status != NIS_SUCCESS)
+ return niserr2nss (status);
- parse_res = _nss_nisplus_parse_grent (result, next_entry, gr,
+ if (NIS_RES_STATUS (&result) == NIS_NOTFOUND)
+ {
+ /* No more entries on this server. This means we have to go
+ to the next server on the path. */
+ status = __follow_path (&tablepath, &tableptr, ibreq, &bptr);
+ if (status != NIS_SUCCESS)
+ return niserr2nss (status);
+
+ directory_obj *newdir = NULL;
+ dir_binding newbptr;
+ status = __prepare_niscall (ibreq->ibr_name, &newdir, &newbptr, 0);
+ if (status != NIS_SUCCESS)
+ return niserr2nss (status);
+
+ nis_free_directory (dir);
+ dir = newdir;
+ __nisbind_destroy (&bptr);
+ bptr = newbptr;
+
+ xdr_free ((xdrproc_t) xdr_netobj, (char *) &result.cookie);
+ result.cookie.n_bytes = NULL;
+ result.cookie.n_len = 0;
+ parse_res = 0;
+ goto next;
+ }
+ else if (NIS_RES_STATUS (&result) != NIS_SUCCESS)
+ return niserr2nss (NIS_RES_STATUS (&result));
+
+ parse_res = _nss_nisplus_parse_grent (&result, gr,
buffer, buflen, errnop);
- if (parse_res == -1)
- return NSS_STATUS_TRYAGAIN;
+ if (__builtin_expect (parse_res == -1, 0))
+ {
+ *errnop = ERANGE;
+ retval = NSS_STATUS_TRYAGAIN;
+ goto freeres;
+ }
- ++next_entry;
+ next:
+ /* Free the old cursor. */
+ xdr_free ((xdrproc_t) xdr_netobj, (char *) &cursor);
+ /* Remember the new one. */
+ cursor.n_bytes = result.cookie.n_bytes;
+ cursor.n_len = result.cookie.n_len;
+ /* Free the result structure. NB: we do not remove the cookie. */
+ result.cookie.n_bytes = NULL;
+ result.cookie.n_len = 0;
+ freeres:
+ xdr_free ((xdrproc_t) _xdr_nis_result, (char *) &result);
+ memset (&result, '\0', sizeof (result));
}
while (!parse_res);
- return NSS_STATUS_SUCCESS;
+ return retval;
}
enum nss_status
@@ -171,9 +290,9 @@ _nss_nisplus_getgrnam_r (const char *name, struct group *gr,
{
int parse_res;
- if (tablename_val == NULL)
+ if (grp_tablename_val == NULL)
{
- enum nss_status status = _nss_create_tablename (errnop);
+ enum nss_status status = _nss_grp_create_tablename (errnop);
if (status != NSS_STATUS_SUCCESS)
return status;
@@ -184,102 +303,101 @@ _nss_nisplus_getgrnam_r (const char *name, struct group *gr,
*errnop = EINVAL;
return NSS_STATUS_NOTFOUND;
}
- else
+
+ nis_result *result;
+ char buf[strlen (name) + 9 + grp_tablename_len];
+ int olderr = errno;
+
+ snprintf (buf, sizeof (buf), "[name=%s],%s", name, grp_tablename_val);
+
+ result = nis_list (buf, FOLLOW_LINKS | FOLLOW_PATH, NULL, NULL);
+
+ if (result == NULL)
{
- nis_result *result;
- char buf[strlen (name) + 24 + tablename_len];
- int olderr = errno;
+ *errnop = ENOMEM;
+ return NSS_STATUS_TRYAGAIN;
+ }
- sprintf (buf, "[name=%s],%s", name, tablename_val);
+ if (__builtin_expect (niserr2nss (result->status) != NSS_STATUS_SUCCESS, 0))
+ {
+ enum nss_status status = niserr2nss (result->status);
- result = nis_list (buf, FOLLOW_LINKS | FOLLOW_PATH, NULL, NULL);
+ nis_freeresult (result);
+ return status;
+ }
- if (result == NULL)
+ parse_res = _nss_nisplus_parse_grent (result, gr, buffer, buflen, errnop);
+ nis_freeresult (result);
+ if (__builtin_expect (parse_res < 1, 0))
+ {
+ if (parse_res == -1)
{
- *errnop = ENOMEM;
+ *errnop = ERANGE;
return NSS_STATUS_TRYAGAIN;
}
- if (niserr2nss (result->status) != NSS_STATUS_SUCCESS)
+ else
{
- enum nss_status status = niserr2nss (result->status);
-
- nis_freeresult (result);
- return status;
- }
-
- parse_res = _nss_nisplus_parse_grent (result, 0, gr, buffer, buflen,
- errnop);
- nis_freeresult (result);
- if (parse_res < 1)
- {
- if (parse_res == -1)
- {
- *errnop = ERANGE;
- return NSS_STATUS_TRYAGAIN;
- }
- else
- {
- __set_errno (olderr);
- return NSS_STATUS_NOTFOUND;
- }
+ __set_errno (olderr);
+ return NSS_STATUS_NOTFOUND;
}
- return NSS_STATUS_SUCCESS;
}
+
+ return NSS_STATUS_SUCCESS;
}
enum nss_status
_nss_nisplus_getgrgid_r (const gid_t gid, struct group *gr,
char *buffer, size_t buflen, int *errnop)
{
- if (tablename_val == NULL)
+ if (grp_tablename_val == NULL)
{
- enum nss_status status = _nss_create_tablename (errnop);
+ enum nss_status status = _nss_grp_create_tablename (errnop);
if (status != NSS_STATUS_SUCCESS)
return status;
}
- {
- int parse_res;
- nis_result *result;
- char buf[36 + tablename_len];
- int olderr = errno;
+ int parse_res;
+ nis_result *result;
+ char buf[8 + 3 * sizeof (unsigned long int) + grp_tablename_len];
+ int olderr = errno;
+
+ snprintf (buf, sizeof (buf), "[gid=%lu],%s",
+ (unsigned long int) gid, grp_tablename_val);
- sprintf (buf, "[gid=%lu],%s", (unsigned long int) gid, tablename_val);
+ result = nis_list (buf, FOLLOW_PATH | FOLLOW_LINKS, NULL, NULL);
- result = nis_list (buf, FOLLOW_PATH | FOLLOW_LINKS, NULL, NULL);
+ if (result == NULL)
+ {
+ *errnop = ENOMEM;
+ return NSS_STATUS_TRYAGAIN;
+ }
- if (result == NULL)
- {
- *errnop = ENOMEM;
- return NSS_STATUS_TRYAGAIN;
- }
- if (niserr2nss (result->status) != NSS_STATUS_SUCCESS)
- {
- enum nss_status status = niserr2nss (result->status);
+ if (__builtin_expect (niserr2nss (result->status) != NSS_STATUS_SUCCESS, 0))
+ {
+ enum nss_status status = niserr2nss (result->status);
- __set_errno (olderr);
+ __set_errno (olderr);
- nis_freeresult (result);
- return status;
- }
-
- parse_res = _nss_nisplus_parse_grent (result, 0, gr, buffer, buflen,
- errnop);
-
- nis_freeresult (result);
- if (parse_res < 1)
- {
- __set_errno (olderr);
-
- if (parse_res == -1)
- {
- *errnop = ERANGE;
- return NSS_STATUS_TRYAGAIN;
- }
- else
- return NSS_STATUS_NOTFOUND;
- }
- return NSS_STATUS_SUCCESS;
- }
+ nis_freeresult (result);
+ return status;
+ }
+
+ parse_res = _nss_nisplus_parse_grent (result, gr, buffer, buflen, errnop);
+
+ nis_freeresult (result);
+ if (__builtin_expect (parse_res < 1, 0))
+ {
+ __set_errno (olderr);
+
+ if (parse_res == -1)
+ {
+ *errnop = ERANGE;
+ return NSS_STATUS_TRYAGAIN;
+ }
+ else
+ return NSS_STATUS_NOTFOUND;
+ }
+
+ return NSS_STATUS_SUCCESS;
}
diff --git a/nis/nss_nisplus/nisplus-hosts.c b/nis/nss_nisplus/nisplus-hosts.c
index 540469894e..f5f0ac96da 100644
--- a/nis/nss_nisplus/nisplus-hosts.c
+++ b/nis/nss_nisplus/nisplus-hosts.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1997-2002, 2003 Free Software Foundation, Inc.
+/* Copyright (C) 1997-2002, 2003, 2005, 2006 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Thorsten Kukuk <kukuk@suse.de>, 1997.
@@ -17,15 +17,16 @@
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
-#include <nss.h>
-#include <netdb.h>
-#include <errno.h>
+#include <atomic.h>
#include <ctype.h>
+#include <errno.h>
+#include <netdb.h>
+#include <nss.h>
#include <string.h>
-#include <netinet/in.h>
#include <arpa/inet.h>
-#include <bits/libc-lock.h>
+#include <netinet/in.h>
#include <rpcsvc/nis.h>
+#include <bits/libc-lock.h>
#include "nss-nisplus.h"
@@ -35,15 +36,16 @@ static nis_result *result;
static nis_name tablename_val;
static u_long tablename_len;
-#define NISENTRYVAL(idx,col,res) \
- ((res)->objects.objects_val[(idx)].EN_data.en_cols.en_cols_val[(col)].ec_value.ec_value_val)
+#define NISENTRYVAL(idx, col, res) \
+ (NIS_RES_OBJECT (res)[idx].EN_data.en_cols.en_cols_val[col].ec_value.ec_value_val)
-#define NISENTRYLEN(idx,col,res) \
- ((res)->objects.objects_val[(idx)].EN_data.en_cols.en_cols_val[(col)].ec_value.ec_value_len)
+#define NISENTRYLEN(idx, col, res) \
+ (NIS_RES_OBJECT (res)[idx].EN_data.en_cols.en_cols_val[col].ec_value.ec_value_len)
/* Get implementation for some internal functions. */
#include <resolv/mapv4v6addr.h>
+
static int
_nss_nisplus_parse_hostent (nis_result *result, int af, struct hostent *host,
char *buffer, size_t buflen, int *errnop,
@@ -52,27 +54,26 @@ _nss_nisplus_parse_hostent (nis_result *result, int af, struct hostent *host,
unsigned int i;
char *first_unused = buffer;
size_t room_left = buflen;
- char *data, *p, *line;
if (result == NULL)
return 0;
if ((result->status != NIS_SUCCESS && result->status != NIS_S_SUCCESS) ||
- __type_of (result->objects.objects_val) != NIS_ENTRY_OBJ ||
- strcmp(result->objects.objects_val[0].EN_data.en_type,
- "hosts_tbl") != 0 ||
- result->objects.objects_val[0].EN_data.en_cols.en_cols_len < 4)
+ __type_of (NIS_RES_OBJECT (result)) != NIS_ENTRY_OBJ ||
+ strcmp(NIS_RES_OBJECT (result)[0].EN_data.en_type, "hosts_tbl") != 0 ||
+ NIS_RES_OBJECT (result)[0].EN_data.en_cols.en_cols_len < 4)
return 0;
- if (room_left < NISENTRYLEN (0, 2, result) + 1)
+ char *data = first_unused;
+
+ if (room_left < (af == AF_INET6 || (flags & AI_V4MAPPED) != 0
+ ? IN6ADDRSZ : INADDRSZ))
{
no_more_room:
*errnop = ERANGE;
return -1;
}
- data = first_unused;
-
/* Parse address. */
if (af == AF_INET && inet_pton (af, NISENTRYVAL (0, 2, result), data) > 0)
{
@@ -98,51 +99,53 @@ _nss_nisplus_parse_hostent (nis_result *result, int af, struct hostent *host,
/* Illegal address: ignore line. */
return 0;
- first_unused+=host->h_length;
- room_left-=host->h_length;
+ first_unused += host->h_length;
+ room_left -= host->h_length;
if (NISENTRYLEN (0, 0, result) + 1 > room_left)
goto no_more_room;
- p = __stpncpy (first_unused, NISENTRYVAL (0, 0, result),
- NISENTRYLEN (0, 0, result));
- *p = '\0';
- room_left -= (NISENTRYLEN (0, 0, result) + 1);
host->h_name = first_unused;
- first_unused += NISENTRYLEN (0, 0, result) +1;
- p = first_unused;
-
- line = p;
- for (i = 0; i < result->objects.objects_len; ++i)
+ first_unused = __stpncpy (first_unused, NISENTRYVAL (0, 0, result),
+ NISENTRYLEN (0, 0, result));
+ *first_unused++ = '\0';
+ room_left -= NISENTRYLEN (0, 0, result) + 1;
+
+ /* XXX Rewrite at some point to allocate the array first and then
+ copy the strings. It wasteful to first concatenate the strings
+ to just split them again later. */
+ char *line = first_unused;
+ for (i = 0; i < NIS_RES_NUMOBJ (result); ++i)
{
if (strcmp (NISENTRYVAL (i, 1, result), host->h_name) != 0)
{
if (NISENTRYLEN (i, 1, result) + 2 > room_left)
goto no_more_room;
- *p++ = ' ';
- p = __stpncpy (p, NISENTRYVAL (i, 1, result),
- NISENTRYLEN (i, 1, result));
- *p = '\0';
- room_left -= (NISENTRYLEN (i, 1, result) + 1);
+ *first_unused++ = ' ';
+ first_unused = __stpncpy (first_unused, NISENTRYVAL (i, 1, result),
+ NISENTRYLEN (i, 1, result));
+ *first_unused = '\0';
+ room_left -= NISENTRYLEN (i, 1, result) + 1;
}
}
- *p++ = '\0';
- first_unused = p;
+ *first_unused++ = '\0';
/* Adjust the pointer so it is aligned for
storing pointers. */
- first_unused += __alignof__ (char *) - 1;
- first_unused -= ((first_unused - (char *) 0) % __alignof__ (char *));
- host->h_addr_list = (char **) first_unused;
- if (room_left < 2 * sizeof (char *))
+ size_t adjust = ((__alignof__ (char *)
+ - (first_unused - (char *) 0) % __alignof__ (char *))
+ % __alignof__ (char *));
+ if (room_left < adjust + 3 * sizeof (char *))
goto no_more_room;
+ first_unused += adjust;
+ room_left -= adjust;
+ host->h_addr_list = (char **) first_unused;
- room_left -= (2 * sizeof (char *));
+ room_left -= 3 * sizeof (char *);
host->h_addr_list[0] = data;
host->h_addr_list[1] = NULL;
host->h_aliases = &host->h_addr_list[2];
- host->h_aliases[0] = NULL;
i = 0;
while (*line != '\0')
@@ -158,41 +161,46 @@ _nss_nisplus_parse_hostent (nis_result *result, int af, struct hostent *host,
goto no_more_room;
room_left -= sizeof (char *);
- host->h_aliases[i] = line;
+ host->h_aliases[i++] = line;
while (*line != '\0' && *line != ' ')
++line;
if (*line == ' ')
- {
- *line = '\0';
- ++line;
- ++i;
- }
- else
- host->h_aliases[i+1] = NULL;
+ *line++ = '\0';
}
+
+ host->h_aliases[i] = NULL;
+
return 1;
}
+
static enum nss_status
_nss_create_tablename (int *errnop)
{
if (tablename_val == NULL)
{
- char buf [40 + strlen (nis_local_directory ())];
- char *p;
+ const char *local_dir = nis_local_directory ();
+ size_t local_dir_len = strlen (local_dir);
+ static const char prefix[] = "hosts.org_dir.";
- p = __stpcpy (buf, "hosts.org_dir.");
- p = __stpcpy (p, nis_local_directory ());
- tablename_val = __strdup (buf);
- if (tablename_val == NULL)
+ char *p = malloc (sizeof (prefix) + local_dir_len);
+ if (p == NULL)
{
*errnop = errno;
return NSS_STATUS_TRYAGAIN;
}
- tablename_len = strlen (tablename_val);
+
+ memcpy (__stpcpy (p, prefix), local_dir, local_dir_len + 1);
+
+ tablename_len = sizeof (prefix) - 1 + local_dir_len;
+
+ atomic_write_barrier ();
+
+ tablename_val = p;
}
+
return NSS_STATUS_SUCCESS;
}
@@ -204,9 +212,11 @@ _nss_nisplus_sethostent (int stayopen)
__libc_lock_lock (lock);
- if (result)
- nis_freeresult (result);
- result = NULL;
+ if (result != NULL)
+ {
+ nis_freeresult (result);
+ result = NULL;
+ }
if (tablename_val == NULL)
status = _nss_create_tablename (&err);
@@ -221,9 +231,11 @@ _nss_nisplus_endhostent (void)
{
__libc_lock_lock (lock);
- if (result)
- nis_freeresult (result);
- result = NULL;
+ if (result != NULL)
+ {
+ nis_freeresult (result);
+ result = NULL;
+ }
__libc_lock_unlock (lock);
@@ -253,6 +265,11 @@ internal_nisplus_gethostent_r (struct hostent *host, char *buffer,
}
result = nis_first_entry (tablename_val);
+ if (result == NULL)
+ {
+ *errnop = errno;
+ return NSS_STATUS_TRYAGAIN;
+ }
if (niserr2nss (result->status) != NSS_STATUS_SUCCESS)
{
enum nss_status retval = niserr2nss (result->status);
@@ -267,11 +284,13 @@ internal_nisplus_gethostent_r (struct hostent *host, char *buffer,
}
else
{
- nis_result *res2;
-
saved_res = result;
- res2 = nis_next_entry(tablename_val, &result->cookie);
- result = res2;
+ result = nis_next_entry (tablename_val, &result->cookie);
+ if (result == NULL)
+ {
+ *errnop = errno;
+ return NSS_STATUS_TRYAGAIN;
+ }
if (niserr2nss (result->status) != NSS_STATUS_SUCCESS)
{
enum nss_status retval= niserr2nss (result->status);
@@ -335,8 +354,12 @@ internal_gethostbyname2_r (const char *name, int af, struct hostent *host,
if (tablename_val == NULL)
{
+ __libc_lock_lock (lock);
+
enum nss_status status = _nss_create_tablename (errnop);
+ __libc_lock_unlock (lock);
+
if (status != NSS_STATUS_SUCCESS)
{
*herrnop = NETDB_INTERNAL;
@@ -350,75 +373,81 @@ internal_gethostbyname2_r (const char *name, int af, struct hostent *host,
*herrnop = NETDB_INTERNAL;
return NSS_STATUS_NOTFOUND;
}
- else
- {
- nis_result *result;
- char buf[strlen (name) + 255 + tablename_len];
- int olderr = errno;
-
- /* Search at first in the alias list, and use the correct name
- for the next search */
- sprintf (buf, "[name=%s],%s", name, tablename_val);
- result = nis_list (buf, FOLLOW_PATH | FOLLOW_LINKS, NULL, NULL);
- if (result != NULL)
- {
- /* If we do not find it, try it as original name. But if the
- database is correct, we should find it in the first case, too */
- if ((result->status != NIS_SUCCESS
- && result->status != NIS_S_SUCCESS)
- || __type_of (result->objects.objects_val) != NIS_ENTRY_OBJ
- || strcmp (result->objects.objects_val->EN_data.en_type,
- "hosts_tbl") != 0
- || result->objects.objects_val->EN_data.en_cols.en_cols_len < 3)
- sprintf (buf, "[cname=%s],%s", name, tablename_val);
- else
- sprintf (buf, "[cname=%s],%s", NISENTRYVAL(0, 0, result),
- tablename_val);
+ nis_result *result;
+ char buf[strlen (name) + 10 + tablename_len];
+ int olderr = errno;
- nis_freeresult (result);
- result = nis_list (buf, FOLLOW_PATH | FOLLOW_LINKS, NULL, NULL);
- }
+ /* Search at first in the alias list, and use the correct name
+ for the next search. */
+ snprintf (buf, sizeof (buf), "[name=%s],%s", name, tablename_val);
+ result = nis_list (buf, FOLLOW_PATH | FOLLOW_LINKS, NULL, NULL);
- if (result == NULL)
+ if (result != NULL)
+ {
+ char *bufptr = buf;
+
+ /* If we did not find it, try it as original name. But if the
+ database is correct, we should find it in the first case, too. */
+ if ((result->status != NIS_SUCCESS
+ && result->status != NIS_S_SUCCESS)
+ || __type_of (result->objects.objects_val) != NIS_ENTRY_OBJ
+ || strcmp (result->objects.objects_val->EN_data.en_type,
+ "hosts_tbl") != 0
+ || result->objects.objects_val->EN_data.en_cols.en_cols_len < 3)
+ snprintf (buf, sizeof (buf), "[cname=%s],%s", name, tablename_val);
+ else
{
- *errnop = ENOMEM;
- return NSS_STATUS_TRYAGAIN;
+ /* We need to allocate a new buffer since there is no
+ guarantee the returned name has a length limit. */
+ const char *entryval = NISENTRYVAL(0, 0, result);
+ size_t buflen = strlen (entryval) + 10 + tablename_len;
+ bufptr = alloca (buflen);
+ snprintf (bufptr, buflen, "[cname=%s],%s",
+ entryval, tablename_val);
}
- retval = niserr2nss (result->status);
- if (retval != NSS_STATUS_SUCCESS)
- {
- if (retval == NSS_STATUS_TRYAGAIN)
- {
- *errnop = errno;
- *herrnop = NETDB_INTERNAL;
- }
- else
- __set_errno (olderr);
- nis_freeresult (result);
- return retval;
- }
-
- parse_res = _nss_nisplus_parse_hostent (result, af, host, buffer,
- buflen, errnop, flags);
nis_freeresult (result);
+ result = nis_list (bufptr, FOLLOW_PATH | FOLLOW_LINKS, NULL, NULL);
+ }
- if (parse_res > 0)
- return NSS_STATUS_SUCCESS;
+ if (result == NULL)
+ {
+ *errnop = ENOMEM;
+ return NSS_STATUS_TRYAGAIN;
+ }
- *herrnop = NETDB_INTERNAL;
- if (parse_res == -1)
+ retval = niserr2nss (result->status);
+ if (__builtin_expect (retval != NSS_STATUS_SUCCESS, 0))
+ {
+ if (retval == NSS_STATUS_TRYAGAIN)
{
- *errnop = ERANGE;
- return NSS_STATUS_TRYAGAIN;
+ *errnop = errno;
+ *herrnop = NETDB_INTERNAL;
}
else
- {
- __set_errno (olderr);
- return NSS_STATUS_NOTFOUND;
- }
+ __set_errno (olderr);
+ nis_freeresult (result);
+ return retval;
+ }
+
+ parse_res = _nss_nisplus_parse_hostent (result, af, host, buffer,
+ buflen, errnop, flags);
+
+ nis_freeresult (result);
+
+ if (parse_res > 0)
+ return NSS_STATUS_SUCCESS;
+
+ *herrnop = NETDB_INTERNAL;
+ if (parse_res == -1)
+ {
+ *errnop = ERANGE;
+ return NSS_STATUS_TRYAGAIN;
}
+
+ __set_errno (olderr);
+ return NSS_STATUS_NOTFOUND;
}
enum nss_status
@@ -431,17 +460,6 @@ _nss_nisplus_gethostbyname2_r (const char *name, int af, struct hostent *host,
((_res.options & RES_USE_INET6) ? AI_V4MAPPED : 0));
}
-#if 0
-enum nss_status
-_nss_nisplus_getipnodebyname_r (const char *name, int af, int flags,
- struct hostent *result, char *buffer,
- size_t buflen, int *errnop, int *herrnop)
-{
- return internal_gethostbyname2_r (name, af, result, buffer, buflen,
- errnop, herrnop, flags);
-}
-#endif
-
enum nss_status
_nss_nisplus_gethostbyname_r (const char *name, struct hostent *host,
char *buffer, size_t buflen, int *errnop,
@@ -469,62 +487,63 @@ _nss_nisplus_gethostbyaddr_r (const void *addr, socklen_t addrlen, int af,
{
if (tablename_val == NULL)
{
+ __libc_lock_lock (lock);
+
enum nss_status status = _nss_create_tablename (errnop);
+ __libc_lock_unlock (lock);
+
if (status != NSS_STATUS_SUCCESS)
return status;
}
if (addr == NULL)
return NSS_STATUS_NOTFOUND;
- else
- {
- nis_result *result;
- char buf[255 + tablename_len];
- int retval, parse_res;
- int olderr = errno;
-
- sprintf (buf, "[addr=%s],%s",
- inet_ntoa (*(const struct in_addr *) addr), tablename_val);
- result = nis_list (buf, FOLLOW_PATH | FOLLOW_LINKS, NULL, NULL);
- if (result == NULL)
- {
- __set_errno (ENOMEM);
- return NSS_STATUS_TRYAGAIN;
- }
- retval = niserr2nss (result->status);
- if (retval != NSS_STATUS_SUCCESS)
- {
- if (retval == NSS_STATUS_TRYAGAIN)
- {
- *errnop = errno;
- *herrnop = NETDB_INTERNAL;
- }
- else
- __set_errno (olderr);
- nis_freeresult (result);
- return retval;
- }
+ char buf[24 + tablename_len];
+ int retval, parse_res;
+ int olderr = errno;
- parse_res = _nss_nisplus_parse_hostent (result, af, host,
- buffer, buflen, errnop,
- ((_res.options & RES_USE_INET6) ? AI_V4MAPPED : 0));
- nis_freeresult (result);
+ snprintf (buf, sizeof (buf), "[addr=%s],%s",
+ inet_ntoa (*(const struct in_addr *) addr), tablename_val);
+ nis_result *result = nis_list (buf, FOLLOW_PATH | FOLLOW_LINKS, NULL, NULL);
- if (parse_res > 0)
- return NSS_STATUS_SUCCESS;
+ if (result == NULL)
+ {
+ __set_errno (ENOMEM);
+ return NSS_STATUS_TRYAGAIN;
+ }
- *herrnop = NETDB_INTERNAL;
- if (parse_res == -1)
+ retval = niserr2nss (result->status);
+ if (__builtin_expect (retval != NSS_STATUS_SUCCESS, 0))
+ {
+ if (retval == NSS_STATUS_TRYAGAIN)
{
- *errnop = ERANGE;
- return NSS_STATUS_TRYAGAIN;
+ *errnop = errno;
+ *herrnop = NETDB_INTERNAL;
}
else
- {
- __set_errno (olderr);
- return NSS_STATUS_NOTFOUND;
- }
+ __set_errno (olderr);
+ nis_freeresult (result);
+ return retval;
}
+
+ parse_res = _nss_nisplus_parse_hostent (result, af, host,
+ buffer, buflen, errnop,
+ ((_res.options & RES_USE_INET6)
+ ? AI_V4MAPPED : 0));
+ nis_freeresult (result);
+
+ if (parse_res > 0)
+ return NSS_STATUS_SUCCESS;
+
+ *herrnop = NETDB_INTERNAL;
+ if (parse_res == -1)
+ {
+ *errnop = ERANGE;
+ return NSS_STATUS_TRYAGAIN;
+ }
+
+ __set_errno (olderr);
+ return NSS_STATUS_NOTFOUND;
}
diff --git a/nis/nss_nisplus/nisplus-initgroups.c b/nis/nss_nisplus/nisplus-initgroups.c
new file mode 100644
index 0000000000..6588ec2533
--- /dev/null
+++ b/nis/nss_nisplus/nisplus-initgroups.c
@@ -0,0 +1,150 @@
+/* Copyright (C) 1997, 2001, 2002, 2003, 2005, 2006
+ Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+
+#include <atomic.h>
+#include <nss.h>
+#include <grp.h>
+#include <ctype.h>
+#include <errno.h>
+#include <string.h>
+#include <bits/libc-lock.h>
+#include <rpcsvc/nis.h>
+
+#include "nss-nisplus.h"
+#include "nisplus-parser.h"
+#include <libnsl.h>
+#include <nis_intern.h>
+#include <nis_xdr.h>
+
+#define NISOBJVAL(col, obj) \
+ ((obj)->EN_data.en_cols.en_cols_val[col].ec_value.ec_value_val)
+
+#define NISOBJLEN(col, obj) \
+ ((obj)->EN_data.en_cols.en_cols_val[col].ec_value.ec_value_len)
+
+extern nis_name grp_tablename_val attribute_hidden;
+extern size_t grp_tablename_len attribute_hidden;
+extern enum nss_status _nss_grp_create_tablename (int *errnop);
+
+
+enum nss_status
+_nss_nisplus_initgroups_dyn (const char *user, gid_t group, long int *start,
+ long int *size, gid_t **groupsp, long int limit,
+ int *errnop)
+{
+ if (grp_tablename_val == NULL)
+ {
+ enum nss_status status = _nss_grp_create_tablename (errnop);
+
+ if (status != NSS_STATUS_SUCCESS)
+ return status;
+ }
+
+ nis_result *result;
+ char buf[strlen (user) + 12 + grp_tablename_len];
+
+ snprintf (buf, sizeof (buf), "[members=%s],%s", user, grp_tablename_val);
+
+ result = nis_list (buf, FOLLOW_LINKS | FOLLOW_PATH | ALL_RESULTS, NULL, NULL);
+
+ if (result == NULL)
+ {
+ *errnop = ENOMEM;
+ return NSS_STATUS_TRYAGAIN;
+ }
+
+ if (__builtin_expect (niserr2nss (result->status) != NSS_STATUS_SUCCESS, 0))
+ {
+ enum nss_status status = niserr2nss (result->status);
+
+ nis_freeresult (result);
+ return status;
+ }
+
+ if (NIS_RES_NUMOBJ (result) == 0)
+ {
+ errout:
+ nis_freeresult (result);
+ return NSS_STATUS_NOTFOUND;
+ }
+
+ gid_t *groups = *groupsp;
+ nis_object *obj = NIS_RES_OBJECT (result);
+ for (unsigned int cnt = 0; cnt < NIS_RES_NUMOBJ (result); ++cnt, ++obj)
+ {
+ if (__type_of (obj) != NIS_ENTRY_OBJ
+ || strcmp (obj->EN_data.en_type, "group_tbl") != 0
+ || obj->EN_data.en_cols.en_cols_len < 4)
+ continue;
+
+ char *numstr = NISOBJVAL (2, obj);
+ size_t len = NISOBJLEN (2, obj);
+ if (len == 0 || numstr[0] == '\0')
+ continue;
+
+ gid_t gid;
+ char *endp;
+ if (__builtin_expect (numstr[len - 1] != '\0', 0))
+ {
+ char numstrbuf[len + 1];
+ memcpy (numstrbuf, numstr, len);
+ numstrbuf[len] = '\0';
+ gid = strtoul (numstrbuf, &endp, 10);
+ if (*endp)
+ continue;
+ }
+ else
+ {
+ gid = strtoul (numstr, &endp, 10);
+ if (*endp)
+ continue;
+ }
+
+ if (gid == group)
+ continue;
+
+ /* Insert this group. */
+ if (*start == *size)
+ {
+ /* Need a bigger buffer. */
+ long int newsize;
+
+ if (limit > 0 && *size == limit)
+ /* We reached the maximum. */
+ break;
+
+ if (limit <= 0)
+ newsize = 2 * *size;
+ else
+ newsize = MIN (limit, 2 * *size);
+
+ gid_t *newgroups = realloc (groups, newsize * sizeof (*groups));
+ if (newgroups == NULL)
+ goto errout;
+ *groupsp = groups = newgroups;
+ *size = newsize;
+ }
+
+ groups[*start] = gid;
+ *start += 1;
+ }
+
+ nis_freeresult (result);
+ return NSS_STATUS_SUCCESS;
+}
diff --git a/nis/nss_nisplus/nisplus-netgrp.c b/nis/nss_nisplus/nisplus-netgrp.c
index 607bc2c1ca..24303b1474 100644
--- a/nis/nss_nisplus/nisplus-netgrp.c
+++ b/nis/nss_nisplus/nisplus-netgrp.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1997, 2003, 2004 Free Software Foundation, Inc.
+/* Copyright (C) 1997, 2003, 2004, 2005, 2006 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Thorsten Kukuk <kukuk@vt.uni-paderborn.de>, 1997.
@@ -27,11 +27,11 @@
#include "nss-nisplus.h"
-#define NISENTRYVAL(idx,col,res) \
- ((res)->objects.objects_val[(idx)].EN_data.en_cols.en_cols_val[(col)].ec_value.ec_value_val)
+#define NISENTRYVAL(idx, col, res) \
+ (NIS_RES_OBJECT (res)[idx].EN_data.en_cols.en_cols_val[col].ec_value.ec_value_val)
-#define NISENTRYLEN(idx,col,res) \
- ((res)->objects.objects_val[(idx)].EN_data.en_cols.en_cols_val[(col)].ec_value.ec_value_len)
+#define NISENTRYLEN(idx, col, res) \
+ (NIS_RES_OBJECT (res)[idx].EN_data.en_cols.en_cols_val[col].ec_value.ec_value_len)
enum nss_status
_nss_nisplus_getnetgrent_r (struct __netgrent *result, char *buffer,
@@ -141,29 +141,23 @@ _nss_nisplus_getnetgrent_r (struct __netgrent *result, char *buffer,
static void
internal_endnetgrent (struct __netgrent *netgrp)
{
- if (netgrp->data != NULL)
- {
- nis_freeresult ((nis_result *) netgrp->data);
- netgrp->data = NULL;
- netgrp->data_size = 0;
- netgrp->position = 0;
- }
+ nis_freeresult ((nis_result *) netgrp->data);
+ netgrp->data = NULL;
+ netgrp->data_size = 0;
+ netgrp->position = 0;
}
enum nss_status
_nss_nisplus_setnetgrent (const char *group, struct __netgrent *netgrp)
{
- enum nss_status status;
- char buf[strlen (group) + 30];
+ char buf[strlen (group) + 25];
if (group == NULL || group[0] == '\0')
return NSS_STATUS_UNAVAIL;
- status = NSS_STATUS_SUCCESS;
-
- internal_endnetgrent (netgrp);
+ enum nss_status status = NSS_STATUS_SUCCESS;
- sprintf (buf, "[name=%s],netgroup.org_dir", group);
+ snprintf (buf, sizeof (buf), "[name=%s],netgroup.org_dir", group);
netgrp->data = (char *) nis_list (buf, EXPAND_NAME, NULL, NULL);
diff --git a/nis/nss_nisplus/nisplus-network.c b/nis/nss_nisplus/nisplus-network.c
index 422b02b82a..1cf652f071 100644
--- a/nis/nss_nisplus/nisplus-network.c
+++ b/nis/nss_nisplus/nisplus-network.c
@@ -1,4 +1,5 @@
-/* Copyright (C) 1997,1998,2000,2001,2002,2003 Free Software Foundation, Inc.
+/* Copyright (C) 1997,1998,2000-2003,2005,2006,2007
+ Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Thorsten Kukuk <kukuk@vt.uni-paderborn.de>, 1997.
@@ -17,15 +18,16 @@
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
-#include <nss.h>
-#include <netdb.h>
-#include <errno.h>
+#include <atomic.h>
#include <ctype.h>
+#include <errno.h>
+#include <netdb.h>
+#include <nss.h>
#include <stdint.h>
#include <string.h>
#include <arpa/inet.h>
-#include <bits/libc-lock.h>
#include <rpcsvc/nis.h>
+#include <bits/libc-lock.h>
#include "nss-nisplus.h"
@@ -35,33 +37,31 @@ static nis_result *result;
static nis_name tablename_val;
static u_long tablename_len;
-#define NISENTRYVAL(idx,col,res) \
- ((res)->objects.objects_val[(idx)].EN_data.en_cols.en_cols_val[(col)].ec_value.ec_value_val)
+#define NISENTRYVAL(idx, col, res) \
+ (NIS_RES_OBJECT (res)[idx].EN_data.en_cols.en_cols_val[col].ec_value.ec_value_val)
-#define NISENTRYLEN(idx,col,res) \
- ((res)->objects.objects_val[(idx)].EN_data.en_cols.en_cols_val[(col)].ec_value.ec_value_len)
+#define NISENTRYLEN(idx, col, res) \
+ (NIS_RES_OBJECT (res)[idx].EN_data.en_cols.en_cols_val[col].ec_value.ec_value_len)
static int
_nss_nisplus_parse_netent (nis_result *result, struct netent *network,
- char *buffer, size_t buflen, int *errnop)
+ char *buffer, size_t buflen, int *errnop)
{
char *first_unused = buffer;
size_t room_left = buflen;
- unsigned int i;
- char *p, *line;
if (result == NULL)
return 0;
if ((result->status != NIS_SUCCESS && result->status != NIS_S_SUCCESS)
- || __type_of (result->objects.objects_val) != NIS_ENTRY_OBJ
- || strcmp (result->objects.objects_val[0].EN_data.en_type,
+ || __type_of (NIS_RES_OBJECT (result)) != NIS_ENTRY_OBJ
+ || strcmp (NIS_RES_OBJECT (result)[0].EN_data.en_type,
"networks_tbl") != 0
- || result->objects.objects_val[0].EN_data.en_cols.en_cols_len < 3)
+ || NIS_RES_OBJECT (result)[0].EN_data.en_cols.en_cols_len < 3)
return 0;
- if (NISENTRYLEN(0, 0, result) >= room_left)
+ if (NISENTRYLEN (0, 0, result) >= room_left)
{
/* The line is too long for our buffer. */
no_more_room:
@@ -69,50 +69,56 @@ _nss_nisplus_parse_netent (nis_result *result, struct netent *network,
return -1;
}
- strncpy (first_unused, NISENTRYVAL(0, 0, result),
+ strncpy (first_unused, NISENTRYVAL (0, 0, result),
NISENTRYLEN (0, 0, result));
first_unused[NISENTRYLEN (0, 0, result)] = '\0';
network->n_name = first_unused;
- room_left -= (strlen (first_unused) +1);
- first_unused += strlen (first_unused) +1;
+ size_t len = strlen (first_unused) + 1;
+ room_left -= len;
+ first_unused += len;
+
network->n_addrtype = 0;
network->n_net = inet_network (NISENTRYVAL (0, 2, result));
- p = first_unused;
- line = p;
- for (i = 0; i < result->objects.objects_len; ++i)
+ /* XXX Rewrite at some point to allocate the array first and then
+ copy the strings. It wasteful to first concatenate the strings
+ to just split them again later. */
+ char *line = first_unused;
+ for (unsigned int i = 0; i < NIS_RES_NUMOBJ (result); ++i)
{
if (strcmp (NISENTRYVAL (i, 1, result), network->n_name) != 0)
{
if (NISENTRYLEN (i, 1, result) + 2 > room_left)
goto no_more_room;
- *p++ = ' ';
- p = __stpncpy (p, NISENTRYVAL (i, 1, result),
- NISENTRYLEN (i, 1, result));
- *p = '\0';
+ *first_unused++ = ' ';
+ first_unused = __stpncpy (first_unused, NISENTRYVAL (i, 1, result),
+ NISENTRYLEN (i, 1, result));
room_left -= (NISENTRYLEN (i, 1, result) + 1);
}
}
- *p++ = '\0';
- first_unused = p;
+ *first_unused++ = '\0';
/* Adjust the pointer so it is aligned for
storing pointers. */
- first_unused += __alignof__ (char *) - 1;
- first_unused -= ((first_unused - (char *) 0) % __alignof__ (char *));
- network->n_aliases = (char **) first_unused;
- if (room_left < 2 * sizeof (char *))
+ size_t adjust = ((__alignof__ (char *)
+ - (first_unused - (char *) 0) % __alignof__ (char *))
+ % __alignof__ (char *));
+ if (room_left < adjust + sizeof (char *))
goto no_more_room;
- room_left -= (2 * sizeof (char *));
- network->n_aliases[0] = NULL;
+ first_unused += adjust;
+ room_left -= adjust;
+ network->n_aliases = (char **) first_unused;
+
+ /* For the terminating NULL pointer. */
+ room_left -= sizeof (char *);
- i = 0;
+ unsigned int i = 0;
while (*line != '\0')
{
/* Skip leading blanks. */
while (isspace (*line))
- line++;
+ ++line;
if (*line == '\0')
break;
@@ -121,42 +127,45 @@ _nss_nisplus_parse_netent (nis_result *result, struct netent *network,
goto no_more_room;
room_left -= sizeof (char *);
- network->n_aliases[i] = line;
+ network->n_aliases[i++] = line;
while (*line != '\0' && *line != ' ')
++line;
if (*line == ' ')
- {
- *line = '\0';
- ++line;
- ++i;
- }
- else
- network->n_aliases[i+1] = NULL;
+ *line++ = '\0';
}
+ network->n_aliases[i] = NULL;
return 1;
}
+
static enum nss_status
_nss_create_tablename (int *errnop)
{
if (tablename_val == NULL)
{
- char buf [40 + strlen (nis_local_directory ())];
- char *p;
+ const char *local_dir = nis_local_directory ();
+ size_t local_dir_len = strlen (local_dir);
+ static const char prefix[] = "networks.org_dir.";
- p = __stpcpy (buf, "networks.org_dir.");
- p = __stpcpy (p, nis_local_directory ());
- tablename_val = __strdup (buf);
- if (tablename_val == NULL)
+ char *p = malloc (sizeof (prefix) + local_dir_len);
+ if (p == NULL)
{
*errnop = errno;
return NSS_STATUS_TRYAGAIN;
}
- tablename_len = strlen (tablename_val);
+
+ memcpy (__stpcpy (p, prefix), local_dir, local_dir_len + 1);
+
+ tablename_len = sizeof (prefix) - 1 + local_dir_len;
+
+ atomic_write_barrier ();
+
+ tablename_val = p;
}
+
return NSS_STATUS_SUCCESS;
}
@@ -164,16 +173,20 @@ enum nss_status
_nss_nisplus_setnetent (int stayopen)
{
enum nss_status status = NSS_STATUS_SUCCESS;
- int err;
__libc_lock_lock (lock);
- if (result)
- nis_freeresult (result);
- result = NULL;
+ if (result != NULL)
+ {
+ nis_freeresult (result);
+ result = NULL;
+ }
if (tablename_val == NULL)
- status = _nss_create_tablename (&err);
+ {
+ int err;
+ status = _nss_create_tablename (&err);
+ }
__libc_lock_unlock (lock);
@@ -185,9 +198,11 @@ _nss_nisplus_endnetent (void)
{
__libc_lock_lock (lock);
- if (result)
- nis_freeresult (result);
- result = NULL;
+ if (result != NULL)
+ {
+ nis_freeresult (result);
+ result = NULL;
+ }
__libc_lock_unlock (lock);
@@ -218,11 +233,14 @@ internal_nisplus_getnetent_r (struct netent *network, char *buffer,
}
result = nis_first_entry (tablename_val);
+ if (result == NULL)
+ {
+ *errnop = errno;
+ return NSS_STATUS_TRYAGAIN;
+ }
if (niserr2nss (result->status) != NSS_STATUS_SUCCESS)
{
- int retval;
-
- retval = niserr2nss (result->status);
+ int retval = niserr2nss (result->status);
nis_freeresult (result);
result = NULL;
if (retval == NSS_STATUS_TRYAGAIN)
@@ -237,16 +255,16 @@ internal_nisplus_getnetent_r (struct netent *network, char *buffer,
}
else
{
- nis_result *res;
-
- res = nis_next_entry (tablename_val, &result->cookie);
saved_res = result;
- result = res;
+ result = nis_next_entry (tablename_val, &result->cookie);
+ if (result == NULL)
+ {
+ *errnop = errno;
+ return NSS_STATUS_TRYAGAIN;
+ }
if (niserr2nss (result->status) != NSS_STATUS_SUCCESS)
{
- int retval;
-
- retval = niserr2nss (result->status);
+ int retval = niserr2nss (result->status);
nis_freeresult (result);
result = saved_res;
if (retval == NSS_STATUS_TRYAGAIN)
@@ -266,7 +284,8 @@ internal_nisplus_getnetent_r (struct netent *network, char *buffer,
return NSS_STATUS_TRYAGAIN;
}
- } while (!parse_res);
+ }
+ while (!parse_res);
return NSS_STATUS_SUCCESS;
}
@@ -296,8 +315,12 @@ _nss_nisplus_getnetbyname_r (const char *name, struct netent *network,
if (tablename_val == NULL)
{
+ __libc_lock_lock (lock);
+
enum nss_status status = _nss_create_tablename (errnop);
+ __libc_lock_unlock (lock);
+
if (status != NSS_STATUS_SUCCESS)
return status;
}
@@ -308,76 +331,83 @@ _nss_nisplus_getnetbyname_r (const char *name, struct netent *network,
*herrnop = NETDB_INTERNAL;
return NSS_STATUS_UNAVAIL;
}
- else
- {
- nis_result *result;
- char buf[strlen (name) + 255 + tablename_len];
- int olderr = errno;
- /* Search at first in the alias list, and use the correct name
- for the next search */
- sprintf (buf, "[name=%s],%s", name, tablename_val);
- result = nis_list (buf, FOLLOW_LINKS | FOLLOW_PATH, NULL, NULL);
+ nis_result *result;
+ char buf[strlen (name) + 10 + tablename_len];
+ int olderr = errno;
- if (result != NULL)
- {
- /* If we do not find it, try it as original name. But if the
- database is correct, we should find it in the first case, too */
- if ((result->status != NIS_SUCCESS
- && result->status != NIS_S_SUCCESS)
- || __type_of (result->objects.objects_val) != NIS_ENTRY_OBJ
- || strcmp (result->objects.objects_val[0].EN_data.en_type,
- "networks_tbl") != 0
- || (result->objects.objects_val[0].EN_data.en_cols.en_cols_len
- < 3))
- sprintf (buf, "[cname=%s],%s", name, tablename_val);
- else
- sprintf (buf, "[cname=%s],%s", NISENTRYVAL (0, 0, result),
- tablename_val);
-
- nis_freeresult (result);
- result = nis_list (buf, FOLLOW_LINKS | FOLLOW_PATH, NULL, NULL);
- }
+ /* Search at first in the alias list, and use the correct name
+ for the next search */
+ snprintf (buf, sizeof (buf), "[name=%s],%s", name, tablename_val);
+ result = nis_list (buf, FOLLOW_LINKS | FOLLOW_PATH | USE_DGRAM, NULL, NULL);
- if (result == NULL)
- {
- __set_errno (ENOMEM);
- return NSS_STATUS_TRYAGAIN;
- }
- retval = niserr2nss (result->status);
- if (retval != NSS_STATUS_SUCCESS)
+ if (result != NULL)
+ {
+ char *bufptr = buf;
+
+ /* If we do not find it, try it as original name. But if the
+ database is correct, we should find it in the first case, too */
+ if ((result->status != NIS_SUCCESS
+ && result->status != NIS_S_SUCCESS)
+ || __type_of (result->objects.objects_val) != NIS_ENTRY_OBJ
+ || strcmp (result->objects.objects_val[0].EN_data.en_type,
+ "networks_tbl") != 0
+ || (result->objects.objects_val[0].EN_data.en_cols.en_cols_len
+ < 3))
+ snprintf (buf, sizeof (buf), "[cname=%s],%s", name, tablename_val);
+ else
{
- if (retval == NSS_STATUS_TRYAGAIN)
- {
- *errnop = errno;
- *herrnop = NETDB_INTERNAL;
- }
- else
- __set_errno (olderr);
- nis_freeresult (result);
- return retval;
+ /* We need to allocate a new buffer since there is no
+ guarantee the returned name has a length limit. */
+ const char *entryval = NISENTRYVAL (0, 0, result);
+ size_t buflen = strlen (entryval) + 10 + tablename_len;
+ bufptr = alloca (buflen);
+ snprintf (bufptr, buflen, "[cname=%s],%s",
+ entryval, tablename_val);
}
- parse_res = _nss_nisplus_parse_netent (result, network, buffer, buflen,
- errnop);
-
nis_freeresult (result);
+ result = nis_list (bufptr, FOLLOW_LINKS | FOLLOW_PATH | USE_DGRAM,
+ NULL, NULL);
+ }
- if (parse_res > 0)
- return NSS_STATUS_SUCCESS;
+ if (result == NULL)
+ {
+ __set_errno (ENOMEM);
+ return NSS_STATUS_TRYAGAIN;
+ }
- *herrnop = NETDB_INTERNAL;
- if (parse_res == -1)
+ retval = niserr2nss (result->status);
+ if (__builtin_expect (retval != NSS_STATUS_SUCCESS, 0))
+ {
+ if (retval == NSS_STATUS_TRYAGAIN)
{
- *errnop = ERANGE;
- return NSS_STATUS_TRYAGAIN;
+ *errnop = errno;
+ *herrnop = NETDB_INTERNAL;
}
else
- {
- __set_errno (olderr);
- return NSS_STATUS_NOTFOUND;
- }
+ __set_errno (olderr);
+ nis_freeresult (result);
+ return retval;
}
+
+ parse_res = _nss_nisplus_parse_netent (result, network, buffer, buflen,
+ errnop);
+
+ nis_freeresult (result);
+
+ if (parse_res > 0)
+ return NSS_STATUS_SUCCESS;
+
+ *herrnop = NETDB_INTERNAL;
+ if (parse_res == -1)
+ {
+ *errnop = ERANGE;
+ return NSS_STATUS_TRYAGAIN;
+ }
+
+ __set_errno (olderr);
+ return NSS_STATUS_NOTFOUND;
}
/* XXX type is ignored, SUN's NIS+ table doesn't support it */
@@ -388,48 +418,48 @@ _nss_nisplus_getnetbyaddr_r (uint32_t addr, const int type,
{
if (tablename_val == NULL)
{
+ __libc_lock_lock (lock);
+
enum nss_status status = _nss_create_tablename (errnop);
+ __libc_lock_unlock (lock);
+
if (status != NSS_STATUS_SUCCESS)
return status;
}
{
- int parse_res, retval;
- nis_result *result;
- char buf[1024 + tablename_len];
- struct in_addr in;
- char buf2[256];
- int b2len;
+ char buf[27 + tablename_len];
+ char buf2[18];
int olderr = errno;
- in = inet_makeaddr (addr, 0);
+ struct in_addr in = inet_makeaddr (addr, 0);
strcpy (buf2, inet_ntoa (in));
- b2len = strlen (buf2);
+ size_t b2len = strlen (buf2);
while (1)
{
- sprintf (buf, "[addr=%s],%s", buf2, tablename_val);
- result = nis_list (buf, EXPAND_NAME, NULL, NULL);
+ snprintf (buf, sizeof (buf), "[addr=%s],%s", buf2, tablename_val);
+ nis_result *result = nis_list (buf, EXPAND_NAME | USE_DGRAM,
+ NULL, NULL);
if (result == NULL)
{
__set_errno (ENOMEM);
return NSS_STATUS_TRYAGAIN;
}
- retval = niserr2nss (result->status);
- if (retval != NSS_STATUS_SUCCESS)
+ enum nss_status retval = niserr2nss (result->status);
+ if (__builtin_expect (retval != NSS_STATUS_SUCCESS, 0))
{
- if (buf2[b2len -2] == '.' && buf2[b2len -1] == '0')
+ if (b2len > 2 && buf2[b2len - 2] == '.' && buf2[b2len - 1] == '0')
{
/* Try again, but with trailing dot(s)
removed (one by one) */
buf2[b2len - 2] = '\0';
b2len -= 2;
+ nis_freeresult (result);
continue;
}
- else
- return NSS_STATUS_NOTFOUND;
if (retval == NSS_STATUS_TRYAGAIN)
{
@@ -442,8 +472,8 @@ _nss_nisplus_getnetbyaddr_r (uint32_t addr, const int type,
return retval;
}
- parse_res = _nss_nisplus_parse_netent (result, network, buffer,
- buflen, errnop);
+ int parse_res = _nss_nisplus_parse_netent (result, network, buffer,
+ buflen, errnop);
nis_freeresult (result);
diff --git a/nis/nss_nisplus/nisplus-parser.c b/nis/nss_nisplus/nisplus-parser.c
index b61733a628..1e1a343d52 100644
--- a/nis/nss_nisplus/nisplus-parser.c
+++ b/nis/nss_nisplus/nisplus-parser.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1997, 1999, 2004 Free Software Foundation, Inc.
+/* Copyright (C) 1997, 1999, 2004, 2006 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Thorsten Kukuk <kukuk@vt.uni-paderborn.de>, 1997.
@@ -25,33 +25,36 @@
#include "nisplus-parser.h"
-#define NISENTRYVAL(idx,col,res) \
- ((res)->objects.objects_val[(idx)].EN_data.en_cols.en_cols_val[(col)].ec_value.ec_value_val)
+#define NISENTRYVAL(idx, col, res) \
+ (NIS_RES_OBJECT (res)[idx].EN_data.en_cols.en_cols_val[col].ec_value.ec_value_val)
-#define NISENTRYLEN(idx,col,res) \
- ((res)->objects.objects_val[(idx)].EN_data.en_cols.en_cols_val[(col)].ec_value.ec_value_len)
+#define NISENTRYLEN(idx, col, res) \
+ (NIS_RES_OBJECT (res)[idx].EN_data.en_cols.en_cols_val[col].ec_value.ec_value_len)
+
+#define NISOBJVAL(col, obj) \
+ ((obj)->EN_data.en_cols.en_cols_val[col].ec_value.ec_value_val)
+
+#define NISOBJLEN(col, obj) \
+ ((obj)->EN_data.en_cols.en_cols_val[col].ec_value.ec_value_len)
int
_nss_nisplus_parse_pwent (nis_result *result, struct passwd *pw,
char *buffer, size_t buflen, int *errnop)
{
+ if ((result->status != NIS_SUCCESS && result->status != NIS_S_SUCCESS)
+ || NIS_RES_NUMOBJ (result) != 1
+ || __type_of (NIS_RES_OBJECT (result)) != NIS_ENTRY_OBJ
+ || strcmp (NIS_RES_OBJECT (result)->EN_data.en_type, "passwd_tbl") != 0
+ || NIS_RES_OBJECT (result)->EN_data.en_cols.en_cols_len < 7)
+ return 0;
+
+ nis_object *obj = NIS_RES_OBJECT (result);
char *first_unused = buffer;
size_t room_left = buflen;
size_t len;
- if (result == NULL)
- return 0;
-
- if ((result->status != NIS_SUCCESS && result->status != NIS_S_SUCCESS)
- || result->objects.objects_len != 1
- || __type_of (result->objects.objects_val) != NIS_ENTRY_OBJ
- || strcmp (result->objects.objects_val->EN_data.en_type,
- "passwd_tbl") != 0
- || result->objects.objects_val->EN_data.en_cols.en_cols_len < 7)
- return 0;
-
- if (NISENTRYLEN (0, 0, result) >= room_left)
+ if (NISOBJLEN (0, obj) >= room_left)
{
/* The line is too long for our buffer. */
no_more_room:
@@ -59,111 +62,109 @@ _nss_nisplus_parse_pwent (nis_result *result, struct passwd *pw,
return -1;
}
- strncpy (first_unused, NISENTRYVAL (0, 0, result),
- NISENTRYLEN (0, 0, result));
- first_unused[NISENTRYLEN (0, 0, result)] = '\0';
+ strncpy (first_unused, NISOBJVAL (0, obj), NISOBJLEN (0, obj));
+ first_unused[NISOBJLEN (0, obj)] = '\0';
len = strlen (first_unused);
if (len == 0) /* No name ? Should never happen, database is corrupt */
return 0;
pw->pw_name = first_unused;
- room_left -= (len + 1);
- first_unused += (len + 1);
+ room_left -= len + 1;
+ first_unused += len + 1;
- if (NISENTRYLEN (0, 1, result) >= room_left)
+ if (NISOBJLEN (1, obj) >= room_left)
goto no_more_room;
- strncpy (first_unused, NISENTRYVAL (0, 1, result),
- NISENTRYLEN (0, 1, result));
- first_unused[NISENTRYLEN (0, 1, result)] = '\0';
+ strncpy (first_unused, NISOBJVAL (1, obj), NISOBJLEN (1, obj));
+ first_unused[NISOBJLEN (1, obj)] = '\0';
pw->pw_passwd = first_unused;
len = strlen (first_unused);
- room_left -= (len + 1);
- first_unused += (len + 1);
+ room_left -= len + 1;
+ first_unused += len + 1;
- if (NISENTRYLEN(0, 2, result) >= room_left)
- goto no_more_room;
+ char *numstr = NISOBJVAL (2, obj);
+ len = NISOBJLEN (2, obj);
+ if (len == 0 && numstr[len - 1] != '\0')
+ {
+ if (len >= room_left)
+ goto no_more_room;
- strncpy (first_unused, NISENTRYVAL (0, 2, result),
- NISENTRYLEN (0, 2, result));
- first_unused[NISENTRYLEN (0, 2, result)] = '\0';
- len = strlen (first_unused);
- if (len == 0) /* If we don't have a uid, it's an invalid shadow entry */
+ strncpy (first_unused, numstr, len);
+ first_unused[len] = '\0';
+ numstr = first_unused;
+ }
+ if (numstr[0] == '\0')
+ /* If we don't have a uid, it's an invalid shadow entry. */
return 0;
- pw->pw_uid = strtoul (first_unused, NULL, 10);
- room_left -= (len + 1);
- first_unused += (len + 1);
+ pw->pw_uid = strtoul (numstr, NULL, 10);
- if (NISENTRYLEN (0, 3, result) >= room_left)
- goto no_more_room;
+ numstr = NISOBJVAL (3, obj);
+ len = NISOBJLEN (3, obj);
+ if (len == 0 && numstr[len - 1] != '\0')
+ {
+ if (len >= room_left)
+ goto no_more_room;
- strncpy (first_unused, NISENTRYVAL (0, 3, result),
- NISENTRYLEN (0, 3, result));
- first_unused[NISENTRYLEN (0, 3, result)] = '\0';
- len = strlen (first_unused);
- if (len == 0) /* If we don't have a gid, it's an invalid shadow entry */
+ strncpy (first_unused, numstr, len);
+ first_unused[len] = '\0';
+ numstr = first_unused;
+ }
+ if (numstr[0] == '\0')
+ /* If we don't have a gid, it's an invalid shadow entry. */
return 0;
- pw->pw_gid = strtoul (first_unused, NULL, 10);
- room_left -= (len + 1);
- first_unused += (len + 1);
+ pw->pw_gid = strtoul (numstr, NULL, 10);
- if (NISENTRYLEN(0, 4, result) >= room_left)
+ if (NISOBJLEN(4, obj) >= room_left)
goto no_more_room;
- strncpy (first_unused, NISENTRYVAL (0, 4, result),
- NISENTRYLEN (0, 4, result));
- first_unused[NISENTRYLEN (0, 4, result)] = '\0';
+ strncpy (first_unused, NISOBJVAL (4, obj), NISOBJLEN (4, obj));
+ first_unused[NISOBJLEN (4, obj)] = '\0';
pw->pw_gecos = first_unused;
len = strlen (first_unused);
- room_left -= (len + 1);
- first_unused += (len + 1);
+ room_left -= len + 1;
+ first_unused += len + 1;
- if (NISENTRYLEN (0, 5, result) >= room_left)
+ if (NISOBJLEN (5, obj) >= room_left)
goto no_more_room;
- strncpy (first_unused, NISENTRYVAL (0, 5, result),
- NISENTRYLEN (0, 5, result));
- first_unused[NISENTRYLEN (0, 5, result)] = '\0';
+ strncpy (first_unused, NISOBJVAL (5, obj), NISOBJLEN (5, obj));
+ first_unused[NISOBJLEN (5, obj)] = '\0';
pw->pw_dir = first_unused;
len = strlen (first_unused);
- room_left -= (len + 1);
- first_unused += (len + 1);
+ room_left -= len + 1;
+ first_unused += len + 1;
- if (NISENTRYLEN (0, 6, result) >= room_left)
+ if (NISOBJLEN (6, obj) >= room_left)
goto no_more_room;
- strncpy (first_unused, NISENTRYVAL (0, 6, result),
- NISENTRYLEN (0, 6, result));
- first_unused[NISENTRYLEN (0, 6, result)] = '\0';
+ strncpy (first_unused, NISOBJVAL (6, obj), NISOBJLEN (6, obj));
+ first_unused[NISOBJLEN (6, obj)] = '\0';
pw->pw_shell = first_unused;
len = strlen (first_unused);
- room_left -= (len + 1);
- first_unused += (len + 1);
+ room_left -= len + 1;
+ first_unused += len + 1;
return 1;
}
-libnss_nisplus_hidden_def (_nss_nisplus_parse_pwent)
+
int
-_nss_nisplus_parse_grent (nis_result *result, u_long entry, struct group *gr,
+_nss_nisplus_parse_grent (nis_result *result, struct group *gr,
char *buffer, size_t buflen, int *errnop)
{
+ if ((result->status != NIS_SUCCESS && result->status != NIS_S_SUCCESS)
+ || __type_of(NIS_RES_OBJECT (result)) != NIS_ENTRY_OBJ
+ || strcmp (NIS_RES_OBJECT (result)[0].EN_data.en_type, "group_tbl") != 0
+ || NIS_RES_OBJECT (result)[0].EN_data.en_cols.en_cols_len < 4)
+ return 0;
+
+ nis_object *obj = NIS_RES_OBJECT (result);
char *first_unused = buffer;
size_t room_left = buflen;
char *line;
int count;
size_t len;
- if (result == NULL)
- return 0;
-
- if ((result->status != NIS_SUCCESS && result->status != NIS_S_SUCCESS)
- || __type_of(result->objects.objects_val) != NIS_ENTRY_OBJ
- || strcmp (result->objects.objects_val[entry].EN_data.en_type,
- "group_tbl") != 0
- || result->objects.objects_val[entry].EN_data.en_cols.en_cols_len < 4)
- return 0;
-
- if (NISENTRYLEN (entry, 0, result) >= room_left)
+ if (NISOBJLEN (0, obj) >= room_left)
{
/* The line is too long for our buffer. */
no_more_room:
@@ -171,54 +172,59 @@ _nss_nisplus_parse_grent (nis_result *result, u_long entry, struct group *gr,
return -1;
}
- strncpy (first_unused, NISENTRYVAL (entry, 0, result),
- NISENTRYLEN (entry, 0, result));
- first_unused[NISENTRYLEN (entry, 0, result)] = '\0';
+ strncpy (first_unused, NISOBJVAL (0, obj), NISOBJLEN (0, obj));
+ first_unused[NISOBJLEN (0, obj)] = '\0';
len = strlen (first_unused);
if (len == 0) /* group table is corrupt */
return 0;
gr->gr_name = first_unused;
- room_left -= (len + 1);
- first_unused += (len + 1);
+ room_left -= len + 1;
+ first_unused += len + 1;
- if (NISENTRYLEN (entry, 1, result) >= room_left)
+ if (NISOBJLEN (1, obj) >= room_left)
goto no_more_room;
- strncpy (first_unused, NISENTRYVAL (entry, 1, result),
- NISENTRYLEN (entry, 1, result));
- first_unused[NISENTRYLEN (entry, 1, result)] = '\0';
+ strncpy (first_unused, NISOBJVAL (1, obj), NISOBJLEN (1, obj));
+ first_unused[NISOBJLEN (1, obj)] = '\0';
gr->gr_passwd = first_unused;
len = strlen (first_unused);
- room_left -= (len + 1);
- first_unused += (len + 1);
+ room_left -= len + 1;
+ first_unused += len + 1;
- if (NISENTRYLEN (entry, 2, result) >= room_left)
- goto no_more_room;
+ char *numstr = NISOBJVAL (2, obj);
+ len = NISOBJLEN (2, obj);
+ if (len == 0 || numstr[len - 1] != '\0')
+ {
+ if (len >= room_left)
+ goto no_more_room;
- strncpy (first_unused, NISENTRYVAL (entry, 2, result),
- NISENTRYLEN (entry, 2, result));
- first_unused[NISENTRYLEN (entry, 2, result)] = '\0';
- len = strlen (first_unused);
- if (len == 0) /* We should always have an gid */
+ strncpy (first_unused, numstr, len);
+ first_unused[len] = '\0';
+ numstr = first_unused;
+ }
+ if (numstr[0] == '\0')
+ /* We should always have a gid. */
return 0;
- gr->gr_gid = strtoul (first_unused, NULL, 10);
- room_left -= (strlen (first_unused) + 1);
- first_unused += strlen (first_unused) + 1;
+ gr->gr_gid = strtoul (numstr, NULL, 10);
- if (NISENTRYLEN (entry, 3, result) >= room_left)
+ if (NISOBJLEN (3, obj) >= room_left)
goto no_more_room;
- strncpy (first_unused, NISENTRYVAL (entry, 3, result),
- NISENTRYLEN (entry, 3, result));
- first_unused[NISENTRYLEN (entry, 3, result)] = '\0';
+ strncpy (first_unused, NISOBJVAL (3, obj), NISOBJLEN (3, obj));
+ first_unused[NISOBJLEN (3, obj)] = '\0';
line = first_unused;
len = strlen (line);
- room_left -= (len + 1);
- first_unused += (len + 1);
+ room_left -= len + 1;
+ first_unused += len + 1;
/* Adjust the pointer so it is aligned for
storing pointers. */
- first_unused += __alignof__ (char *) - 1;
- first_unused -= ((first_unused - (char *) 0) % __alignof__ (char *));
+ size_t adjust = ((__alignof__ (char *)
+ - (first_unused - (char *) 0) % __alignof__ (char *))
+ % __alignof__ (char *));
+ if (room_left < adjust)
+ goto no_more_room;
+ first_unused += adjust;
+ room_left -= adjust;
gr->gr_mem = (char **) first_unused;
count = 0;
@@ -243,12 +249,10 @@ _nss_nisplus_parse_grent (nis_result *result, u_long entry, struct group *gr,
{
int is = isspace (*line);
- *line = '\0';
+ *line++ = '\0';
if (is)
while (*line != '\0' && (*line == ',' || isspace (*line)))
++line;
- else
- ++line;
}
}
if (room_left < sizeof (char *))
@@ -258,7 +262,7 @@ _nss_nisplus_parse_grent (nis_result *result, u_long entry, struct group *gr,
return 1;
}
-libnss_nisplus_hidden_def (_nss_nisplus_parse_grent)
+
int
_nss_nisplus_parse_spent (nis_result *result, struct spwd *sp,
@@ -272,11 +276,10 @@ _nss_nisplus_parse_spent (nis_result *result, struct spwd *sp,
return 0;
if ((result->status != NIS_SUCCESS && result->status != NIS_S_SUCCESS)
- || result->objects.objects_len != 1
- || __type_of(result->objects.objects_val) != NIS_ENTRY_OBJ
- || strcmp (result->objects.objects_val->EN_data.en_type,
- "passwd_tbl") != 0
- || result->objects.objects_val[0].EN_data.en_cols.en_cols_len < 8)
+ || NIS_RES_NUMOBJ (result) != 1
+ || __type_of(NIS_RES_OBJECT (result)) != NIS_ENTRY_OBJ
+ || strcmp (NIS_RES_OBJECT (result)->EN_data.en_type, "passwd_tbl") != 0
+ || NIS_RES_OBJECT (result)->EN_data.en_cols.en_cols_len < 8)
return 0;
if (NISENTRYLEN (0, 0, result) >= room_left)
@@ -294,8 +297,8 @@ _nss_nisplus_parse_spent (nis_result *result, struct spwd *sp,
if (len == 0)
return 0;
sp->sp_namp = first_unused;
- room_left -= (len + 1);
- first_unused += (len + 1);
+ room_left -= len + 1;
+ first_unused += len + 1;
if (NISENTRYLEN (0, 1, result) >= room_left)
goto no_more_room;
@@ -305,8 +308,8 @@ _nss_nisplus_parse_spent (nis_result *result, struct spwd *sp,
first_unused[NISENTRYLEN (0, 1, result)] = '\0';
sp->sp_pwdp = first_unused;
len = strlen (first_unused);
- room_left -= (len + 1);
- first_unused += (len + 1);
+ room_left -= len + 1;
+ first_unused += len + 1;
sp->sp_lstchg = sp->sp_min = sp->sp_max = sp->sp_warn = sp->sp_inact =
sp->sp_expire = -1;
@@ -314,10 +317,8 @@ _nss_nisplus_parse_spent (nis_result *result, struct spwd *sp,
if (NISENTRYLEN (0, 7, result) > 0)
{
- char *line, *cp;
-
- line = NISENTRYVAL (0, 7, result);
- cp = strchr (line, ':');
+ char *line = NISENTRYVAL (0, 7, result);
+ char *cp = strchr (line, ':');
if (cp == NULL)
return 1;
*cp++ = '\0';
@@ -373,4 +374,3 @@ _nss_nisplus_parse_spent (nis_result *result, struct spwd *sp,
return 1;
}
-libnss_nisplus_hidden_def (_nss_nisplus_parse_spent)
diff --git a/nis/nss_nisplus/nisplus-proto.c b/nis/nss_nisplus/nisplus-proto.c
index 83456cae64..42a2d088da 100644
--- a/nis/nss_nisplus/nisplus-proto.c
+++ b/nis/nss_nisplus/nisplus-proto.c
@@ -1,4 +1,5 @@
-/* Copyright (C) 1997, 1998, 2001, 2002, 2003 Free Software Foundation, Inc.
+/* Copyright (C) 1997, 1998, 2001, 2002, 2003, 2005, 2006
+ Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Thorsten Kukuk <kukuk@vt.uni-paderborn.de>, 1997.
@@ -17,13 +18,14 @@
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
-#include <nss.h>
-#include <errno.h>
+#include <atomic.h>
#include <ctype.h>
+#include <errno.h>
#include <netdb.h>
+#include <nss.h>
#include <string.h>
-#include <bits/libc-lock.h>
#include <rpcsvc/nis.h>
+#include <bits/libc-lock.h>
#include "nss-nisplus.h"
@@ -33,20 +35,20 @@ static nis_result *result;
static nis_name tablename_val;
static u_long tablename_len;
-#define NISENTRYVAL(idx,col,res) \
- ((res)->objects.objects_val[(idx)].EN_data.en_cols.en_cols_val[(col)].ec_value.ec_value_val)
+#define NISENTRYVAL(idx, col, res) \
+ (NIS_RES_OBJECT (res)[idx].EN_data.en_cols.en_cols_val[col].ec_value.ec_value_val)
+
+#define NISENTRYLEN(idx, col, res) \
+ (NIS_RES_OBJECT (res)[idx].EN_data.en_cols.en_cols_val[col].ec_value.ec_value_len)
-#define NISENTRYLEN(idx,col,res) \
- ((res)->objects.objects_val[(idx)].EN_data.en_cols.en_cols_val[(col)].ec_value.ec_value_len)
static int
-_nss_nisplus_parse_protoent (nis_result * result, struct protoent *proto,
+_nss_nisplus_parse_protoent (nis_result *result, struct protoent *proto,
char *buffer, size_t buflen, int *errnop)
{
char *first_unused = buffer;
size_t room_left = buflen;
unsigned int i;
- char *p, *line;
if (result == NULL)
return 0;
@@ -69,41 +71,44 @@ _nss_nisplus_parse_protoent (nis_result * result, struct protoent *proto,
NISENTRYLEN (0, 0, result));
first_unused[NISENTRYLEN (0, 0, result)] = '\0';
proto->p_name = first_unused;
- room_left -= (strlen (first_unused) +1);
- first_unused += strlen (first_unused) +1;
+ size_t len = strlen (first_unused) + 1;
+ room_left -= len;
+ first_unused += len;
- if (NISENTRYLEN (0, 2, result) + 1 > room_left)
- goto no_more_room;
proto->p_proto = atoi (NISENTRYVAL (0, 2, result));
- p = first_unused;
- line = p;
- for (i = 0; i < result->objects.objects_len; ++i)
+ /* XXX Rewrite at some point to allocate the array first and then
+ copy the strings. It wasteful to first concatenate the strings
+ to just split them again later. */
+ char *line = first_unused;
+ for (i = 0; i < NIS_RES_NUMOBJ (result); ++i)
{
if (strcmp (NISENTRYVAL (i, 1, result), proto->p_name) != 0)
{
if (NISENTRYLEN (i, 1, result) + 2 > room_left)
goto no_more_room;
- *p++ = ' ';
- p = __stpncpy (p, NISENTRYVAL (i, 1, result),
- NISENTRYLEN (i, 1, result));
- *p = '\0';
- room_left -= (NISENTRYLEN (i, 1, result) + 1);
+ *first_unused++ = ' ';
+ first_unused = __stpncpy (first_unused, NISENTRYVAL (i, 1, result),
+ NISENTRYLEN (i, 1, result));
+ room_left -= NISENTRYLEN (i, 1, result) + 1;
}
}
- *p++ = '\0';
- first_unused = p;
+ *first_unused++ = '\0';
/* Adjust the pointer so it is aligned for
storing pointers. */
- first_unused += __alignof__ (char *) - 1;
- first_unused -= ((first_unused - (char *) 0) % __alignof__ (char *));
- proto->p_aliases = (char **) first_unused;
- if (room_left < sizeof (char *))
+ size_t adjust = ((__alignof__ (char *)
+ - (first_unused - (char *) 0) % __alignof__ (char *))
+ % __alignof__ (char *));
+ if (room_left < adjust + sizeof (char *))
goto no_more_room;
+ first_unused += adjust;
+ room_left -= adjust;
+ proto->p_aliases = (char **) first_unused;
+
+ /* For the terminating NULL pointer. */
room_left -= sizeof (char *);
- proto->p_aliases[0] = NULL;
i = 0;
while (*line != '\0')
@@ -118,20 +123,15 @@ _nss_nisplus_parse_protoent (nis_result * result, struct protoent *proto,
goto no_more_room;
room_left -= sizeof (char *);
- proto->p_aliases[i] = line;
+ proto->p_aliases[i++] = line;
while (*line != '\0' && *line != ' ')
++line;
if (*line == ' ')
- {
- *line = '\0';
- ++line;
- ++i;
- }
- else
- proto->p_aliases[i+1] = NULL;
+ *line++ = '\0';
}
+ proto->p_aliases[i] = NULL;
return 1;
}
@@ -141,19 +141,26 @@ _nss_create_tablename (int *errnop)
{
if (tablename_val == NULL)
{
- char buf [40 + strlen (nis_local_directory ())];
- char *p;
+ const char *local_dir = nis_local_directory ();
+ size_t local_dir_len = strlen (local_dir);
+ static const char prefix[] = "protocols.org_dir.";
- p = __stpcpy (buf, "protocols.org_dir.");
- p = __stpcpy (p, nis_local_directory ());
- tablename_val = __strdup (buf);
- if (tablename_val == NULL)
+ char *p = malloc (sizeof (prefix) + local_dir_len);
+ if (p == NULL)
{
*errnop = errno;
return NSS_STATUS_TRYAGAIN;
}
- tablename_len = strlen (tablename_val);
+
+ memcpy (__stpcpy (p, prefix), local_dir, local_dir_len + 1);
+
+ tablename_len = sizeof (prefix) - 1 + local_dir_len;
+
+ atomic_write_barrier ();
+
+ tablename_val = p;
}
+
return NSS_STATUS_SUCCESS;
}
@@ -164,9 +171,11 @@ _nss_nisplus_setprotoent (int stayopen)
__libc_lock_lock (lock);
- if (result)
- nis_freeresult (result);
- result = NULL;
+ if (result != NULL)
+ {
+ nis_freeresult (result);
+ result = NULL;
+ }
if (tablename_val == NULL)
{
@@ -184,9 +193,11 @@ _nss_nisplus_endprotoent (void)
{
__libc_lock_lock (lock);
- if (result)
- nis_freeresult (result);
- result = NULL;
+ if (result != NULL)
+ {
+ nis_freeresult (result);
+ result = NULL;
+ }
__libc_lock_unlock (lock);
@@ -216,17 +227,23 @@ internal_nisplus_getprotoent_r (struct protoent *proto, char *buffer,
}
result = nis_first_entry (tablename_val);
+ if (result == NULL)
+ {
+ *errnop = errno;
+ return NSS_STATUS_TRYAGAIN;
+ }
if (niserr2nss (result->status) != NSS_STATUS_SUCCESS)
return niserr2nss (result->status);
}
else
{
- nis_result *res;
-
saved_res = result;
- res = nis_next_entry (tablename_val, &result->cookie);
- result = res;
-
+ result = nis_next_entry (tablename_val, &result->cookie);
+ if (result == NULL)
+ {
+ *errnop = errno;
+ return NSS_STATUS_TRYAGAIN;
+ }
if (niserr2nss (result->status) != NSS_STATUS_SUCCESS)
{
nis_freeresult (saved_res);
@@ -277,79 +294,91 @@ _nss_nisplus_getprotobyname_r (const char *name, struct protoent *proto,
if (tablename_val == NULL)
{
+ __libc_lock_lock (lock);
+
enum nss_status status = _nss_create_tablename (errnop);
+ __libc_lock_unlock (lock);
+
if (status != NSS_STATUS_SUCCESS)
return status;
}
if (name == NULL)
return NSS_STATUS_NOTFOUND;
- else
- {
- nis_result *result;
- char buf[strlen (name) + 255 + tablename_len];
- int olderr = errno;
- /* Search at first in the alias list, and use the correct name
- for the next search */
- sprintf (buf, "[name=%s],%s", name, tablename_val);
- result = nis_list (buf, FOLLOW_PATH | FOLLOW_LINKS, NULL, NULL);
-
- if (result != NULL)
- {
- /* If we do not find it, try it as original name. But if the
- database is correct, we should find it in the first case, too */
- if ((result->status != NIS_SUCCESS
- && result->status != NIS_S_SUCCESS)
- || __type_of (result->objects.objects_val) != NIS_ENTRY_OBJ
- || strcmp (result->objects.objects_val->EN_data.en_type,
- "protocols_tbl") != 0
- || result->objects.objects_val->EN_data.en_cols.en_cols_len < 3)
- sprintf (buf, "[cname=%s],%s", name, tablename_val);
- else
- sprintf (buf, "[cname=%s],%s", NISENTRYVAL (0, 0, result),
- tablename_val);
+ char buf[strlen (name) + 10 + tablename_len];
+ int olderr = errno;
- nis_freeresult (result);
- result = nis_list (buf, FOLLOW_PATH | FOLLOW_LINKS, NULL, NULL);
- }
+ /* Search at first in the alias list, and use the correct name
+ for the next search */
+ snprintf (buf, sizeof (buf), "[name=%s],%s", name, tablename_val);
+ nis_result *result = nis_list (buf, FOLLOW_PATH | FOLLOW_LINKS, NULL, NULL);
- if (result == NULL)
+ if (result != NULL)
+ {
+ char *bufptr = buf;
+
+ /* If we did not find it, try it as original name. But if the
+ database is correct, we should find it in the first case, too */
+ if ((result->status != NIS_SUCCESS
+ && result->status != NIS_S_SUCCESS)
+ || __type_of (result->objects.objects_val) != NIS_ENTRY_OBJ
+ || strcmp (result->objects.objects_val->EN_data.en_type,
+ "protocols_tbl") != 0
+ || result->objects.objects_val->EN_data.en_cols.en_cols_len < 3)
+ snprintf (buf, sizeof (buf), "[cname=%s],%s", name, tablename_val);
+ else
{
- __set_errno (ENOMEM);
- return NSS_STATUS_TRYAGAIN;
+ /* We need to allocate a new buffer since there is no
+ guarantee the returned name has a length limit. */
+ const char *entryval = NISENTRYVAL (0, 0, result);
+ size_t buflen = strlen (entryval) + 10 + tablename_len;
+ bufptr = alloca (buflen);
+ snprintf (bufptr, buflen, "[cname=%s],%s",
+ entryval, tablename_val);
}
- if (niserr2nss (result->status) != NSS_STATUS_SUCCESS)
- {
- enum nss_status status = niserr2nss (result->status);
- __set_errno (olderr);
+ nis_freeresult (result);
+ result = nis_list (bufptr, FOLLOW_PATH | FOLLOW_LINKS, NULL, NULL);
+ }
- nis_freeresult (result);
- return status;
- }
+ if (result == NULL)
+ {
+ __set_errno (ENOMEM);
+ return NSS_STATUS_TRYAGAIN;
+ }
- parse_res = _nss_nisplus_parse_protoent (result, proto, buffer, buflen,
- errnop);
+ if (__builtin_expect (niserr2nss (result->status) != NSS_STATUS_SUCCESS, 0))
+ {
+ enum nss_status status = niserr2nss (result->status);
+
+ __set_errno (olderr);
nis_freeresult (result);
+ return status;
+ }
- if (parse_res < 1)
+ parse_res = _nss_nisplus_parse_protoent (result, proto, buffer, buflen,
+ errnop);
+
+ nis_freeresult (result);
+
+ if (parse_res < 1)
+ {
+ if (parse_res == -1)
{
- if (parse_res == -1)
- {
- *errnop = ERANGE;
- return NSS_STATUS_TRYAGAIN;
- }
- else
- {
- __set_errno (olderr);
- return NSS_STATUS_NOTFOUND;
- }
+ *errnop = ERANGE;
+ return NSS_STATUS_TRYAGAIN;
+ }
+ else
+ {
+ __set_errno (olderr);
+ return NSS_STATUS_NOTFOUND;
}
- return NSS_STATUS_SUCCESS;
}
+
+ return NSS_STATUS_SUCCESS;
}
enum nss_status
@@ -358,55 +387,57 @@ _nss_nisplus_getprotobynumber_r (const int number, struct protoent *proto,
{
if (tablename_val == NULL)
{
+ __libc_lock_lock (lock);
+
enum nss_status status = _nss_create_tablename (errnop);
+ __libc_lock_unlock (lock);
+
if (status != NSS_STATUS_SUCCESS)
return status;
}
- {
- int parse_res;
- nis_result *result;
- char buf[46 + tablename_len];
- int olderr = errno;
+ char buf[12 + 3 * sizeof (number) + tablename_len];
+ int olderr = errno;
- sprintf (buf, "[number=%d],%s", number, tablename_val);
+ snprintf (buf, sizeof (buf), "[number=%d],%s", number, tablename_val);
- result = nis_list (buf, FOLLOW_LINKS | FOLLOW_PATH, NULL, NULL);
+ nis_result *result = nis_list (buf, FOLLOW_LINKS | FOLLOW_PATH, NULL, NULL);
- if (result == NULL)
- {
- __set_errno (ENOMEM);
- return NSS_STATUS_TRYAGAIN;
- }
- if (niserr2nss (result->status) != NSS_STATUS_SUCCESS)
- {
- enum nss_status status = niserr2nss (result->status);
+ if (result == NULL)
+ {
+ __set_errno (ENOMEM);
+ return NSS_STATUS_TRYAGAIN;
+ }
- __set_errno (olderr);
+ if (__builtin_expect (niserr2nss (result->status) != NSS_STATUS_SUCCESS, 0))
+ {
+ enum nss_status status = niserr2nss (result->status);
- nis_freeresult (result);
- return status;
- }
-
- parse_res = _nss_nisplus_parse_protoent (result, proto, buffer, buflen,
- errnop);
-
- nis_freeresult (result);
-
- if (parse_res < 1)
- {
- if (parse_res == -1)
- {
- *errnop = ERANGE;
- return NSS_STATUS_TRYAGAIN;
- }
- else
- {
- __set_errno (olderr);
- return NSS_STATUS_NOTFOUND;
- }
- }
- return NSS_STATUS_SUCCESS;
- }
+ __set_errno (olderr);
+
+ nis_freeresult (result);
+ return status;
+ }
+
+ int parse_res = _nss_nisplus_parse_protoent (result, proto, buffer, buflen,
+ errnop);
+
+ nis_freeresult (result);
+
+ if (parse_res < 1)
+ {
+ if (parse_res == -1)
+ {
+ *errnop = ERANGE;
+ return NSS_STATUS_TRYAGAIN;
+ }
+ else
+ {
+ __set_errno (olderr);
+ return NSS_STATUS_NOTFOUND;
+ }
+ }
+
+ return NSS_STATUS_SUCCESS;
}
diff --git a/nis/nss_nisplus/nisplus-publickey.c b/nis/nss_nisplus/nisplus-publickey.c
index 58ae7012af..f6b32f8827 100644
--- a/nis/nss_nisplus/nisplus-publickey.c
+++ b/nis/nss_nisplus/nisplus-publickey.c
@@ -1,4 +1,4 @@
-/* Copyright (c) 1997, 1999, 2001, 2003 Free Software Foundation, Inc.
+/* Copyright (c) 1997,1999,2001,2003,2005,2006 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Thorsten Kukuk <kukuk@suse.de>, 1997.
@@ -37,7 +37,7 @@ _nss_nisplus_getpublickey (const char *netname, char *pkey, int *errnop)
{
nis_result *res;
enum nss_status retval;
- char buf[NIS_MAXNAMELEN+2];
+ char buf[NIS_MAXNAMELEN + 2];
size_t slen;
char *domain, *cptr;
int len;
@@ -91,20 +91,20 @@ _nss_nisplus_getpublickey (const char *netname, char *pkey, int *errnop)
return retval;
}
- if (res->objects.objects_len > 1)
+ if (NIS_RES_NUMOBJ (res) > 1)
{
/*
* More than one principal with same uid?
* something wrong with cred table. Should be unique
* Warn user and continue.
*/
- printf (_("DES entry for netname %s not unique\n"), netname);
+ syslog (LOG_ERR, _("DES entry for netname %s not unique\n"), netname);
nis_freeresult (res);
return NSS_STATUS_SUCCESS;
}
- len = ENTRY_LEN (res->objects.objects_val, 3);
- memcpy (pkey, ENTRY_VAL (res->objects.objects_val,3), len);
+ len = ENTRY_LEN (NIS_RES_OBJECT (res), 3);
+ memcpy (pkey, ENTRY_VAL (NIS_RES_OBJECT (res),3), len);
pkey[len] = 0;
cptr = strchr (pkey, ':');
if (cptr)
@@ -114,13 +114,14 @@ _nss_nisplus_getpublickey (const char *netname, char *pkey, int *errnop)
return NSS_STATUS_SUCCESS;
}
+
enum nss_status
_nss_nisplus_getsecretkey (const char *netname, char *skey, char *passwd,
int *errnop)
{
nis_result *res;
enum nss_status retval;
- char buf[NIS_MAXNAMELEN+2];
+ char buf[NIS_MAXNAMELEN + 2];
size_t slen;
char *domain, *cptr;
int len;
@@ -154,7 +155,7 @@ _nss_nisplus_getsecretkey (const char *netname, char *skey, char *passwd,
buf[slen] = '\0';
}
- res = nis_list (buf, USE_DGRAM+NO_AUTHINFO+FOLLOW_LINKS+FOLLOW_PATH,
+ res = nis_list (buf, USE_DGRAM | NO_AUTHINFO | FOLLOW_LINKS | FOLLOW_PATH,
NULL, NULL);
if (res == NULL)
@@ -172,20 +173,20 @@ _nss_nisplus_getsecretkey (const char *netname, char *skey, char *passwd,
return retval;
}
- if (res->objects.objects_len > 1)
+ if (NIS_RES_NUMOBJ (res) > 1)
{
/*
* More than one principal with same uid?
* something wrong with cred table. Should be unique
* Warn user and continue.
*/
- printf (_("DES entry for netname %s not unique\n"), netname);
+ syslog (LOG_ERR, _("DES entry for netname %s not unique\n"), netname);
nis_freeresult (res);
return NSS_STATUS_SUCCESS;
}
- len = ENTRY_LEN (res->objects.objects_val, 4);
- memcpy (buf, ENTRY_VAL (res->objects.objects_val,4), len);
+ len = ENTRY_LEN (NIS_RES_OBJECT (res), 4);
+ memcpy (buf, ENTRY_VAL (NIS_RES_OBJECT (res), 4), len);
buf[len] = '\0';
cptr = strchr (buf, ':');
if (cptr)
@@ -204,6 +205,7 @@ _nss_nisplus_getsecretkey (const char *netname, char *skey, char *passwd,
return NSS_STATUS_SUCCESS;
}
+
/* Parse information from the passed string.
The format of the string passed is gid,grp,grp, ... */
static enum nss_status
@@ -224,8 +226,12 @@ parse_grp_str (const char *s, gid_t *gidp, int *gidlenp, gid_t *gidlist,
gidlen = 0;
/* After strtoul() ep should point to the marker ',', which means
- here starts a new value. */
- while (ep != NULL && *ep == ',')
+ here starts a new value.
+
+ The Sun man pages show that GIDLIST should contain at least NGRPS
+ elements. Limiting the number written by this value is the best
+ we can do. */
+ while (ep != NULL && *ep == ',' && gidlen < NGRPS)
{
ep++;
s = ep;
@@ -242,9 +248,9 @@ _nss_nisplus_netname2user (char netname[MAXNETNAMELEN + 1], uid_t *uidp,
{
char *domain;
nis_result *res;
- char sname[NIS_MAXNAMELEN+2]; /* search criteria + table name */
+ char sname[NIS_MAXNAMELEN + 2]; /* search criteria + table name */
size_t slen;
- char principal[NIS_MAXNAMELEN+1];
+ char principal[NIS_MAXNAMELEN + 1];
int len;
/* 1. Get home domain of user. */
@@ -255,10 +261,6 @@ _nss_nisplus_netname2user (char netname[MAXNETNAMELEN + 1], uid_t *uidp,
++domain; /* skip '@' */
/* 2. Get user's nisplus principal name. */
- if ((strlen (netname) + strlen (domain)+45) >
- (size_t) NIS_MAXNAMELEN)
- return NSS_STATUS_UNAVAIL;
-
slen = snprintf (sname, NIS_MAXNAMELEN,
"[auth_name=%s,auth_type=DES],cred.org_dir.%s",
netname, domain);
@@ -309,7 +311,7 @@ _nss_nisplus_netname2user (char netname[MAXNETNAMELEN + 1], uid_t *uidp,
return NSS_STATUS_UNAVAIL;
}
- if (res->objects.objects_len > 1)
+ if (NIS_RES_NUMOBJ (res) > 1)
/*
* A netname belonging to more than one principal?
* Something wrong with cred table. should be unique.
@@ -319,8 +321,8 @@ _nss_nisplus_netname2user (char netname[MAXNETNAMELEN + 1], uid_t *uidp,
_("netname2user: DES entry for %s in directory %s not unique"),
netname, domain);
- len = ENTRY_LEN (res->objects.objects_val, 0);
- strncpy (principal, ENTRY_VAL (res->objects.objects_val, 0), len);
+ len = ENTRY_LEN (NIS_RES_OBJECT (res), 0);
+ strncpy (principal, ENTRY_VAL (NIS_RES_OBJECT (res), 0), len);
principal[len] = '\0';
nis_freeresult (res);
@@ -332,15 +334,16 @@ _nss_nisplus_netname2user (char netname[MAXNETNAMELEN + 1], uid_t *uidp,
* LOCAL entry in **local** cred table.
*/
domain = nis_local_directory ();
- if ((strlen (principal) + strlen (domain) + 45) > (size_t) NIS_MAXNAMELEN)
+ if (strlen (principal) + strlen (domain) + 45 > (size_t) NIS_MAXNAMELEN)
{
syslog (LOG_ERR, _("netname2user: principal name `%s' too long"),
principal);
return NSS_STATUS_UNAVAIL;
}
- slen = sprintf (sname, "[cname=%s,auth_type=LOCAL],cred.org_dir.%s",
- principal, domain);
+ slen = snprintf (sname, sizeof (sname),
+ "[cname=%s,auth_type=LOCAL],cred.org_dir.%s",
+ principal, domain);
if (sname[slen - 1] != '.')
{
@@ -382,7 +385,7 @@ _nss_nisplus_netname2user (char netname[MAXNETNAMELEN + 1], uid_t *uidp,
return NSS_STATUS_UNAVAIL;
}
- if (res->objects.objects_len > 1)
+ if (NIS_RES_NUMOBJ (res) > 1)
/*
* A principal can have more than one LOCAL entry?
* Something wrong with cred table.
@@ -392,15 +395,16 @@ _nss_nisplus_netname2user (char netname[MAXNETNAMELEN + 1], uid_t *uidp,
_("netname2user: LOCAL entry for %s in directory %s not unique"),
netname, domain);
/* Fetch the uid */
- *uidp = strtoul (ENTRY_VAL (res->objects.objects_val, 2), NULL, 10);
+ *uidp = strtoul (ENTRY_VAL (NIS_RES_OBJECT (res), 2), NULL, 10);
if (*uidp == 0)
{
syslog (LOG_ERR, _("netname2user: should not have uid 0"));
+ nis_freeresult (res);
return NSS_STATUS_NOTFOUND;
}
- parse_grp_str (ENTRY_VAL (res->objects.objects_val, 3),
+ parse_grp_str (ENTRY_VAL (NIS_RES_OBJECT (res), 3),
gidp, gidlenp, gidlist, errnop);
nis_freeresult (res);
diff --git a/nis/nss_nisplus/nisplus-pwd.c b/nis/nss_nisplus/nisplus-pwd.c
index 8f3bc997b3..cd33aebbcc 100644
--- a/nis/nss_nisplus/nisplus-pwd.c
+++ b/nis/nss_nisplus/nisplus-pwd.c
@@ -1,4 +1,5 @@
-/* Copyright (C) 1997, 1999, 2001, 2002, 2003 Free Software Foundation, Inc.
+/* Copyright (C) 1997, 1999, 2001, 2002, 2003, 2005, 2006, 2007
+ Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Thorsten Kukuk <kukuk@vt.uni-paderborn.de>, 1997.
@@ -17,6 +18,7 @@
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
+#include <atomic.h>
#include <nss.h>
#include <errno.h>
#include <pwd.h>
@@ -26,126 +28,246 @@
#include "nss-nisplus.h"
#include "nisplus-parser.h"
+#include <libnsl.h>
+#include <nis_intern.h>
+#include <nis_xdr.h>
+
__libc_lock_define_initialized (static, lock)
-static nis_result *result;
-static nis_name tablename_val;
-static u_long tablename_len;
+/* Connection information. */
+static ib_request *ibreq;
+static directory_obj *dir;
+static dir_binding bptr;
+static char *tablepath;
+static char *tableptr;
+/* Cursor. */
+static netobj cursor;
-static enum nss_status
-_nss_create_tablename (int *errnop)
+
+nis_name pwd_tablename_val attribute_hidden;
+size_t pwd_tablename_len attribute_hidden;
+
+enum nss_status
+_nss_pwd_create_tablename (int *errnop)
{
- if (tablename_val == NULL)
+ if (pwd_tablename_val == NULL)
{
- char buf [40 + strlen (nis_local_directory ())];
- char *p;
+ const char *local_dir = nis_local_directory ();
+ size_t local_dir_len = strlen (local_dir);
+ static const char prefix[] = "passwd.org_dir.";
- p = __stpcpy (buf, "passwd.org_dir.");
- p = __stpcpy (p, nis_local_directory ());
- tablename_val = __strdup (buf);
- if (tablename_val == NULL)
+ char *p = malloc (sizeof (prefix) + local_dir_len);
+ if (p == NULL)
{
*errnop = errno;
return NSS_STATUS_TRYAGAIN;
}
- tablename_len = strlen (tablename_val);
+
+ memcpy (__stpcpy (p, prefix), local_dir, local_dir_len + 1);
+
+ pwd_tablename_len = sizeof (prefix) - 1 + local_dir_len;
+
+ atomic_write_barrier ();
+
+ if (atomic_compare_and_exchange_bool_acq (&pwd_tablename_val, p, NULL))
+ {
+ /* Another thread already installed the value. */
+ free (p);
+ pwd_tablename_len = strlen (pwd_tablename_val);
+ }
}
+
return NSS_STATUS_SUCCESS;
}
+static void
+internal_nisplus_endpwent (void)
+{
+ __nisbind_destroy (&bptr);
+ memset (&bptr, '\0', sizeof (bptr));
+
+ nis_free_directory (dir);
+ dir = NULL;
+
+ nis_free_request (ibreq);
+ ibreq = NULL;
+
+ xdr_free ((xdrproc_t) xdr_netobj, (char *) &cursor);
+ memset (&cursor, '\0', sizeof (cursor));
+
+ free (tablepath);
+ tableptr = tablepath = NULL;
+}
+
+
+static enum nss_status
+internal_nisplus_setpwent (int *errnop)
+{
+ enum nss_status status = NSS_STATUS_SUCCESS;
+
+ if (pwd_tablename_val == NULL)
+ status = _nss_pwd_create_tablename (errnop);
+
+ if (status == NSS_STATUS_SUCCESS)
+ {
+ ibreq = __create_ib_request (pwd_tablename_val, 0);
+ if (ibreq == NULL)
+ {
+ *errnop = errno;
+ return NSS_STATUS_TRYAGAIN;
+ }
+
+ nis_error retcode = __prepare_niscall (pwd_tablename_val, &dir,
+ &bptr, 0);
+ if (retcode != NIS_SUCCESS)
+ {
+ nis_free_request (ibreq);
+ ibreq = NULL;
+ status = niserr2nss (retcode);
+ }
+ }
+
+ return status;
+}
+
+
enum nss_status
_nss_nisplus_setpwent (int stayopen)
{
- enum nss_status status = NSS_STATUS_SUCCESS;
- int err;
+ enum nss_status status;
__libc_lock_lock (lock);
- if (result)
- nis_freeresult (result);
- result = NULL;
+ internal_nisplus_endpwent ();
- if (tablename_val == NULL)
- status = _nss_create_tablename (&err);
+ // XXX We need to be able to set errno. Pass in new parameter.
+ int err;
+ status = internal_nisplus_setpwent (&err);
__libc_lock_unlock (lock);
return status;
}
+
enum nss_status
_nss_nisplus_endpwent (void)
{
__libc_lock_lock (lock);
- if (result)
- nis_freeresult (result);
- result = NULL;
+ internal_nisplus_endpwent ();
__libc_lock_unlock (lock);
return NSS_STATUS_SUCCESS;
}
+
static enum nss_status
internal_nisplus_getpwent_r (struct passwd *pw, char *buffer, size_t buflen,
int *errnop)
{
- int parse_res;
+ int parse_res = -1;
+ enum nss_status retval = NSS_STATUS_SUCCESS;
/* Get the next entry until we found a correct one. */
do
{
- nis_result *saved_res;
+ nis_error status;
+ nis_result result;
+ memset (&result, '\0', sizeof (result));
- if (result == NULL)
+ if (cursor.n_bytes == NULL)
{
- saved_res = NULL;
- if (tablename_val == NULL)
+ if (ibreq == NULL)
{
- enum nss_status status = _nss_create_tablename (errnop);
-
- if (status != NSS_STATUS_SUCCESS)
- return status;
+ retval = internal_nisplus_setpwent (errnop);
+ if (retval != NSS_STATUS_SUCCESS)
+ return retval;
}
- result = nis_first_entry (tablename_val);
- if (niserr2nss (result->status) != NSS_STATUS_SUCCESS)
- return niserr2nss (result->status);
+ status = __do_niscall3 (&bptr, NIS_IBFIRST,
+ (xdrproc_t) _xdr_ib_request,
+ (caddr_t) ibreq,
+ (xdrproc_t) _xdr_nis_result,
+ (caddr_t) &result,
+ 0, NULL);
}
else
{
- nis_result *res;
+ ibreq->ibr_cookie.n_bytes = cursor.n_bytes;
+ ibreq->ibr_cookie.n_len = cursor.n_len;
+
+ status = __do_niscall3 (&bptr, NIS_IBNEXT,
+ (xdrproc_t) _xdr_ib_request,
+ (caddr_t) ibreq,
+ (xdrproc_t) _xdr_nis_result,
+ (caddr_t) &result,
+ 0, NULL);
+
+ ibreq->ibr_cookie.n_bytes = NULL;
+ ibreq->ibr_cookie.n_len = 0;
+ }
- saved_res = result;
- res = nis_next_entry (tablename_val, &result->cookie);
- result = res;
- if (niserr2nss (result->status) != NSS_STATUS_SUCCESS)
- {
- nis_freeresult (saved_res);
- return niserr2nss (result->status);
- }
+ if (status != NIS_SUCCESS)
+ return niserr2nss (status);
+
+ if (NIS_RES_STATUS (&result) == NIS_NOTFOUND)
+ {
+ /* No more entries on this server. This means we have to go
+ to the next server on the path. */
+ status = __follow_path (&tablepath, &tableptr, ibreq, &bptr);
+ if (status != NIS_SUCCESS)
+ return niserr2nss (status);
+
+ directory_obj *newdir = NULL;
+ dir_binding newbptr;
+ status = __prepare_niscall (ibreq->ibr_name, &newdir, &newbptr, 0);
+ if (status != NIS_SUCCESS)
+ return niserr2nss (status);
+
+ nis_free_directory (dir);
+ dir = newdir;
+ __nisbind_destroy (&bptr);
+ bptr = newbptr;
+
+ xdr_free ((xdrproc_t) xdr_netobj, (char *) &result.cookie);
+ result.cookie.n_bytes = NULL;
+ result.cookie.n_len = 0;
+ parse_res = 0;
+ goto next;
}
+ else if (NIS_RES_STATUS (&result) != NIS_SUCCESS)
+ return niserr2nss (NIS_RES_STATUS (&result));
- parse_res = _nss_nisplus_parse_pwent (result, pw, buffer,
+ parse_res = _nss_nisplus_parse_pwent (&result, pw, buffer,
buflen, errnop);
- if (parse_res == -1)
+
+ if (__builtin_expect (parse_res == -1, 0))
{
- nis_freeresult (result);
- result = saved_res;
*errnop = ERANGE;
- return NSS_STATUS_TRYAGAIN;
+ retval = NSS_STATUS_TRYAGAIN;
+ goto freeres;
}
- else
- {
- if (saved_res)
- nis_freeresult (saved_res);
- }
- } while (!parse_res);
- return NSS_STATUS_SUCCESS;
+ next:
+ /* Free the old cursor. */
+ xdr_free ((xdrproc_t) xdr_netobj, (char *) &cursor);
+ /* Remember the new one. */
+ cursor.n_bytes = result.cookie.n_bytes;
+ cursor.n_len = result.cookie.n_len;
+ /* Free the result structure. NB: we do not remove the cookie. */
+ result.cookie.n_bytes = NULL;
+ result.cookie.n_len = 0;
+ freeres:
+ xdr_free ((xdrproc_t) _xdr_nis_result, (char *) &result);
+ memset (&result, '\0', sizeof (result));
+ }
+ while (!parse_res);
+
+ return retval;
}
enum nss_status
@@ -169,9 +291,9 @@ _nss_nisplus_getpwnam_r (const char *name, struct passwd *pw,
{
int parse_res;
- if (tablename_val == NULL)
+ if (pwd_tablename_val == NULL)
{
- enum nss_status status = _nss_create_tablename (errnop);
+ enum nss_status status = _nss_pwd_create_tablename (errnop);
if (status != NSS_STATUS_SUCCESS)
return status;
@@ -182,107 +304,107 @@ _nss_nisplus_getpwnam_r (const char *name, struct passwd *pw,
*errnop = EINVAL;
return NSS_STATUS_UNAVAIL;
}
- else
- {
- nis_result *result;
- char buf[strlen (name) + 24 + tablename_len];
- int olderr = errno;
- sprintf (buf, "[name=%s],%s", name, tablename_val);
+ nis_result *result;
+ char buf[strlen (name) + 9 + pwd_tablename_len];
+ int olderr = errno;
- result = nis_list(buf, FOLLOW_PATH | FOLLOW_LINKS, NULL, NULL);
+ snprintf (buf, sizeof (buf), "[name=%s],%s", name, pwd_tablename_val);
- if (result == NULL)
- {
- *errnop = ENOMEM;
- return NSS_STATUS_TRYAGAIN;
- }
- if (niserr2nss (result->status) != NSS_STATUS_SUCCESS)
- {
- enum nss_status status = niserr2nss (result->status);
+ result = nis_list (buf, FOLLOW_PATH | FOLLOW_LINKS | USE_DGRAM, NULL, NULL);
- __set_errno (olderr);
+ if (result == NULL)
+ {
+ *errnop = ENOMEM;
+ return NSS_STATUS_TRYAGAIN;
+ }
- nis_freeresult (result);
- return status;
- }
+ if (__builtin_expect (niserr2nss (result->status) != NSS_STATUS_SUCCESS, 0))
+ {
+ enum nss_status status = niserr2nss (result->status);
- parse_res = _nss_nisplus_parse_pwent (result, pw, buffer, buflen,
- errnop);
+ __set_errno (olderr);
nis_freeresult (result);
+ return status;
+ }
+
+ parse_res = _nss_nisplus_parse_pwent (result, pw, buffer, buflen, errnop);
- if (parse_res < 1)
+ nis_freeresult (result);
+
+ if (__builtin_expect (parse_res < 1, 0))
+ {
+ if (parse_res == -1)
{
- if (parse_res == -1)
- {
- *errnop = ERANGE;
- return NSS_STATUS_TRYAGAIN;
- }
- else
- {
- __set_errno (olderr);
- return NSS_STATUS_NOTFOUND;
- }
+ *errnop = ERANGE;
+ return NSS_STATUS_TRYAGAIN;
+ }
+ else
+ {
+ __set_errno (olderr);
+ return NSS_STATUS_NOTFOUND;
}
- return NSS_STATUS_SUCCESS;
}
+
+ return NSS_STATUS_SUCCESS;
}
enum nss_status
_nss_nisplus_getpwuid_r (const uid_t uid, struct passwd *pw,
char *buffer, size_t buflen, int *errnop)
{
- if (tablename_val == NULL)
+ if (pwd_tablename_val == NULL)
{
- enum nss_status status = _nss_create_tablename (errnop);
+ enum nss_status status = _nss_pwd_create_tablename (errnop);
if (status != NSS_STATUS_SUCCESS)
return status;
}
- {
- int parse_res;
- nis_result *result;
- char buf[100 + tablename_len];
- int olderr = errno;
+ int parse_res;
+ nis_result *result;
+ char buf[8 + 3 * sizeof (unsigned long int) + pwd_tablename_len];
+ int olderr = errno;
+
+ snprintf (buf, sizeof (buf), "[uid=%lu],%s",
+ (unsigned long int) uid, pwd_tablename_val);
+
+ result = nis_list (buf, FOLLOW_PATH | FOLLOW_LINKS | USE_DGRAM, NULL, NULL);
+
+ if (result == NULL)
+ {
+ *errnop = ENOMEM;
+ return NSS_STATUS_TRYAGAIN;
+ }
+
+ if (__builtin_expect (niserr2nss (result->status) != NSS_STATUS_SUCCESS, 0))
+ {
+ enum nss_status status = niserr2nss (result->status);
- sprintf (buf, "[uid=%lu],%s", (unsigned long int) uid, tablename_val);
+ __set_errno (olderr);
- result = nis_list(buf, FOLLOW_PATH | FOLLOW_LINKS, NULL, NULL);
+ nis_freeresult (result);
+ return status;
+ }
- if (result == NULL)
- {
- *errnop = ENOMEM;
- return NSS_STATUS_TRYAGAIN;
- }
- if (niserr2nss (result->status) != NSS_STATUS_SUCCESS)
- {
- enum nss_status status = niserr2nss (result->status);
+ parse_res = _nss_nisplus_parse_pwent (result, pw, buffer, buflen, errnop);
- __set_errno (olderr);
+ nis_freeresult (result);
- nis_freeresult (result);
- return status;
- }
-
- parse_res = _nss_nisplus_parse_pwent (result, pw, buffer, buflen, errnop);
-
- nis_freeresult (result);
-
- if (parse_res < 1)
- {
- if (parse_res == -1)
- {
- *errnop = ERANGE;
- return NSS_STATUS_TRYAGAIN;
- }
- else
- {
- __set_errno (olderr);
- return NSS_STATUS_NOTFOUND;
- }
- }
- return NSS_STATUS_SUCCESS;
- }
+ if (__builtin_expect (parse_res < 1, 0))
+ {
+ if (parse_res == -1)
+ {
+ *errnop = ERANGE;
+ return NSS_STATUS_TRYAGAIN;
+ }
+ else
+ {
+ __set_errno (olderr);
+ return NSS_STATUS_NOTFOUND;
+ }
+ }
+
+ return NSS_STATUS_SUCCESS;
}
diff --git a/nis/nss_nisplus/nisplus-rpc.c b/nis/nss_nisplus/nisplus-rpc.c
index 31d48d17a3..711c6bc273 100644
--- a/nis/nss_nisplus/nisplus-rpc.c
+++ b/nis/nss_nisplus/nisplus-rpc.c
@@ -1,4 +1,5 @@
-/* Copyright (C) 1997, 1998, 2001, 2002, 2003 Free Software Foundation, Inc.
+/* Copyright (C) 1997, 1998, 2001, 2002, 2003, 2005, 2006, 2007
+ Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Thorsten Kukuk <kukuk@vt.uni-paderborn.de>, 1997.
@@ -17,13 +18,14 @@
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
-#include <nss.h>
-#include <errno.h>
+#include <atomic.h>
#include <ctype.h>
+#include <errno.h>
+#include <nss.h>
#include <string.h>
-#include <bits/libc-lock.h>
#include <rpc/netdb.h>
#include <rpcsvc/nis.h>
+#include <bits/libc-lock.h>
#include "nss-nisplus.h"
@@ -33,11 +35,12 @@ static nis_result *result;
static nis_name tablename_val;
static u_long tablename_len;
-#define NISENTRYVAL(idx,col,res) \
- ((res)->objects.objects_val[(idx)].EN_data.en_cols.en_cols_val[(col)].ec_value.ec_value_val)
+#define NISENTRYVAL(idx, col, res) \
+ (NIS_RES_OBJECT (res)[idx].EN_data.en_cols.en_cols_val[col].ec_value.ec_value_val)
+
+#define NISENTRYLEN(idx, col, res) \
+ (NIS_RES_OBJECT (res)[idx].EN_data.en_cols.en_cols_val[col].ec_value.ec_value_len)
-#define NISENTRYLEN(idx,col,res) \
- ((res)->objects.objects_val[(idx)].EN_data.en_cols.en_cols_val[(col)].ec_value.ec_value_len)
static int
_nss_nisplus_parse_rpcent (nis_result *result, struct rpcent *rpc,
@@ -46,17 +49,16 @@ _nss_nisplus_parse_rpcent (nis_result *result, struct rpcent *rpc,
char *first_unused = buffer;
size_t room_left = buflen;
unsigned int i;
- char *p, *line;
+ char *line;
if (result == NULL)
return 0;
if ((result->status != NIS_SUCCESS && result->status != NIS_S_SUCCESS)
- || __type_of (result->objects.objects_val) != NIS_ENTRY_OBJ
- || strcmp (result->objects.objects_val[0].EN_data.en_type,
- "rpc_tbl") != 0
- || result->objects.objects_val[0].EN_data.en_cols.en_cols_len < 3)
+ || __type_of (NIS_RES_OBJECT (result)) != NIS_ENTRY_OBJ
+ || strcmp (NIS_RES_OBJECT (result)[0].EN_data.en_type, "rpc_tbl") != 0
+ || NIS_RES_OBJECT (result)[0].EN_data.en_cols.en_cols_len < 3)
return 0;
if (NISENTRYLEN (0, 0, result) >= room_left)
@@ -69,37 +71,43 @@ _nss_nisplus_parse_rpcent (nis_result *result, struct rpcent *rpc,
NISENTRYLEN (0, 0, result));
first_unused[NISENTRYLEN (0, 0, result)] = '\0';
rpc->r_name = first_unused;
- room_left -= (strlen (first_unused) + 1);
- first_unused += strlen (first_unused) + 1;
+ size_t len = strlen (first_unused) + 1;
+ room_left -= len;
+ first_unused += len;
+
rpc->r_number = atoi (NISENTRYVAL (0, 2, result));
- p = first_unused;
- line = p;
- for (i = 0; i < result->objects.objects_len; ++i)
+ /* XXX Rewrite at some point to allocate the array first and then
+ copy the strings. It wasteful to first concatenate the strings
+ to just split them again later. */
+ line = first_unused;
+ for (i = 0; i < NIS_RES_NUMOBJ (result); ++i)
{
if (strcmp (NISENTRYVAL (i, 1, result), rpc->r_name) != 0)
{
if (NISENTRYLEN (i, 1, result) + 2 > room_left)
goto no_more_room;
- *p++ = ' ';
- p = __stpncpy (p, NISENTRYVAL (i, 1, result),
- NISENTRYLEN (i, 1, result));
- *p = '\0';
- room_left -= (NISENTRYLEN (i, 1, result) + 1);
+ *first_unused++ = ' ';
+ first_unused = __stpncpy (first_unused, NISENTRYVAL (i, 1, result),
+ NISENTRYLEN (i, 1, result));
+ room_left -= NISENTRYLEN (i, 1, result) + 1;
}
}
- ++p;
- first_unused = p;
+ *first_unused++ = '\0';
/* Adjust the pointer so it is aligned for
storing pointers. */
- first_unused += __alignof__ (char *) - 1;
- first_unused -= ((first_unused - (char *) 0) % __alignof__ (char *));
- rpc->r_aliases = (char **) first_unused;
- if (room_left < sizeof (char *))
+ size_t adjust = ((__alignof__ (char *)
+ - (first_unused - (char *) 0) % __alignof__ (char *))
+ % __alignof__ (char *));
+ if (room_left < adjust + sizeof (char *))
goto no_more_room;
+ first_unused += adjust;
+ room_left -= adjust;
+ rpc->r_aliases = (char **) first_unused;
+
+ /* For the terminating NULL pointer. */
room_left -= sizeof (char *);
- rpc->r_aliases[0] = NULL;
i = 0;
while (*line != '\0')
@@ -115,42 +123,45 @@ _nss_nisplus_parse_rpcent (nis_result *result, struct rpcent *rpc,
goto no_more_room;
room_left -= sizeof (char *);
- rpc->r_aliases[i] = line;
+ rpc->r_aliases[i++] = line;
while (*line != '\0' && *line != ' ')
++line;
if (*line == ' ')
- {
- *line = '\0';
- ++line;
- ++i;
- }
- else
- rpc->r_aliases[i+1] = NULL;
+ *line++ = '\0';
}
+ rpc->r_aliases[i] = NULL;
return 1;
}
+
static enum nss_status
_nss_create_tablename (int *errnop)
{
if (tablename_val == NULL)
{
- char buf [40 + strlen (nis_local_directory ())];
- char *p;
+ const char *local_dir = nis_local_directory ();
+ size_t local_dir_len = strlen (local_dir);
+ static const char prefix[] = "rpc.org_dir.";
- p = __stpcpy (buf, "rpc.org_dir.");
- p = __stpcpy (p, nis_local_directory ());
- tablename_val = __strdup (buf);
- if (tablename_val == NULL)
+ char *p = malloc (sizeof (prefix) + local_dir_len);
+ if (p == NULL)
{
*errnop = errno;
return NSS_STATUS_TRYAGAIN;
}
- tablename_len = strlen (tablename_val);
+
+ memcpy (__stpcpy (p, prefix), local_dir, local_dir_len + 1);
+
+ tablename_len = sizeof (prefix) - 1 + local_dir_len;
+
+ atomic_write_barrier ();
+
+ tablename_val = p;
}
+
return NSS_STATUS_SUCCESS;
}
@@ -159,16 +170,20 @@ enum nss_status
_nss_nisplus_setrpcent (int stayopen)
{
enum nss_status status = NSS_STATUS_SUCCESS;
- int err;
__libc_lock_lock (lock);
- if (result)
- nis_freeresult (result);
- result = NULL;
+ if (result != NULL)
+ {
+ nis_freeresult (result);
+ result = NULL;
+ }
if (tablename_val == NULL)
- status = _nss_create_tablename (&err);
+ {
+ int err;
+ status = _nss_create_tablename (&err);
+ }
__libc_lock_unlock (lock);
@@ -180,9 +195,11 @@ _nss_nisplus_endrpcent (void)
{
__libc_lock_lock (lock);
- if (result)
- nis_freeresult (result);
- result = NULL;
+ if (result != NULL)
+ {
+ nis_freeresult (result);
+ result = NULL;
+ }
__libc_lock_unlock (lock);
@@ -212,16 +229,23 @@ internal_nisplus_getrpcent_r (struct rpcent *rpc, char *buffer,
}
result = nis_first_entry (tablename_val);
+ if (result == NULL)
+ {
+ *errnop = errno;
+ return NSS_STATUS_TRYAGAIN;
+ }
if (niserr2nss (result->status) != NSS_STATUS_SUCCESS)
return niserr2nss (result->status);
}
else
{
- nis_result *res;
-
saved_res = result;
- res = nis_next_entry (tablename_val, &result->cookie);
- result = res;
+ result = nis_next_entry (tablename_val, &result->cookie);
+ if (result == NULL)
+ {
+ *errnop = errno;
+ return NSS_STATUS_TRYAGAIN;
+ }
if (niserr2nss (result->status) != NSS_STATUS_SUCCESS)
{
nis_freeresult (saved_res);
@@ -243,7 +267,8 @@ internal_nisplus_getrpcent_r (struct rpcent *rpc, char *buffer,
if (saved_res)
nis_freeresult (saved_res);
}
- } while (!parse_res);
+ }
+ while (!parse_res);
return NSS_STATUS_SUCCESS;
}
@@ -271,77 +296,91 @@ _nss_nisplus_getrpcbyname_r (const char *name, struct rpcent *rpc,
if (tablename_val == NULL)
{
+ __libc_lock_lock (lock);
+
enum nss_status status = _nss_create_tablename (errnop);
+ __libc_lock_unlock (lock);
+
if (status != NSS_STATUS_SUCCESS)
return status;
}
if (name == NULL)
return NSS_STATUS_NOTFOUND;
- else
- {
- nis_result *result;
- char buf[strlen (name) + 255 + tablename_len];
- int olderr = errno;
- /* Search at first in the alias list, and use the correct name
- for the next search */
- sprintf (buf, "[name=%s],%s", name, tablename_val);
- result = nis_list (buf, FOLLOW_PATH | FOLLOW_LINKS, NULL, NULL);
+ char buf[strlen (name) + 10 + tablename_len];
+ int olderr = errno;
- if (result != NULL)
- {
- /* If we do not find it, try it as original name. But if the
- database is correct, we should find it in the first case, too */
- if ((result->status != NIS_SUCCESS
- && result->status != NIS_S_SUCCESS)
- || __type_of (result->objects.objects_val) != NIS_ENTRY_OBJ
- || strcmp (result->objects.objects_val->EN_data.en_type,
- "rpc_tbl") != 0
- || result->objects.objects_val->EN_data.en_cols.en_cols_len < 3)
- sprintf (buf, "[cname=%s],%s", name, tablename_val);
- else
- sprintf (buf, "[cname=%s],%s", NISENTRYVAL (0, 0, result),
- tablename_val);
-
- nis_freeresult (result);
- result = nis_list (buf, FOLLOW_PATH | FOLLOW_LINKS , NULL, NULL);
- }
+ /* Search at first in the alias list, and use the correct name
+ for the next search */
+ snprintf (buf, sizeof (buf), "[name=%s],%s", name, tablename_val);
+ nis_result *result = nis_list (buf, FOLLOW_PATH | FOLLOW_LINKS | USE_DGRAM,
+ NULL, NULL);
- if (result == NULL)
+ if (result != NULL)
+ {
+ char *bufptr = buf;
+
+ /* If we did not find it, try it as original name. But if the
+ database is correct, we should find it in the first case, too */
+ if ((result->status != NIS_SUCCESS
+ && result->status != NIS_S_SUCCESS)
+ || __type_of (result->objects.objects_val) != NIS_ENTRY_OBJ
+ || strcmp (result->objects.objects_val->EN_data.en_type,
+ "rpc_tbl") != 0
+ || result->objects.objects_val->EN_data.en_cols.en_cols_len < 3)
+ snprintf (buf, sizeof (buf), "[cname=%s],%s", name, tablename_val);
+ else
{
- *errnop = ENOMEM;
- return NSS_STATUS_TRYAGAIN;
+ /* We need to allocate a new buffer since there is no
+ guarantee the returned name has a length limit. */
+ const char *entryval = NISENTRYVAL (0, 0, result);
+ size_t buflen = strlen (entryval) + 10 + tablename_len;
+ bufptr = alloca (buflen);
+ snprintf (bufptr, buflen, "[cname=%s],%s",
+ entryval, tablename_val);
}
- if (niserr2nss (result->status) != NSS_STATUS_SUCCESS)
- {
- enum nss_status status = niserr2nss (result->status);
- __set_errno (olderr);
+ nis_freeresult (result);
+ result = nis_list (bufptr, FOLLOW_PATH | FOLLOW_LINKS | USE_DGRAM,
+ NULL, NULL);
+ }
- nis_freeresult (result);
- return status;
- }
+ if (result == NULL)
+ {
+ *errnop = ENOMEM;
+ return NSS_STATUS_TRYAGAIN;
+ }
- parse_res = _nss_nisplus_parse_rpcent (result, rpc, buffer, buflen,
- errnop);
+ if (__builtin_expect (niserr2nss (result->status) != NSS_STATUS_SUCCESS, 0))
+ {
+ enum nss_status status = niserr2nss (result->status);
+
+ __set_errno (olderr);
nis_freeresult (result);
+ return status;
+ }
- if (parse_res < 1)
- {
- if (parse_res == -1)
- {
- *errnop = ERANGE;
- return NSS_STATUS_TRYAGAIN;
- }
+ parse_res = _nss_nisplus_parse_rpcent (result, rpc, buffer, buflen,
+ errnop);
- __set_errno (olderr);
- return NSS_STATUS_NOTFOUND;
+ nis_freeresult (result);
+
+ if (parse_res < 1)
+ {
+ if (parse_res == -1)
+ {
+ *errnop = ERANGE;
+ return NSS_STATUS_TRYAGAIN;
}
- return NSS_STATUS_SUCCESS;
+
+ __set_errno (olderr);
+ return NSS_STATUS_NOTFOUND;
}
+
+ return NSS_STATUS_SUCCESS;
}
enum nss_status
@@ -350,55 +389,58 @@ _nss_nisplus_getrpcbynumber_r (const int number, struct rpcent *rpc,
{
if (tablename_val == NULL)
{
+ __libc_lock_lock (lock);
+
enum nss_status status = _nss_create_tablename (errnop);
+ __libc_lock_unlock (lock);
+
if (status != NSS_STATUS_SUCCESS)
return status;
}
- {
- int parse_res;
- nis_result *result;
- char buf[100 + tablename_len];
- int olderr = errno;
+ char buf[12 + 3 * sizeof (number) + tablename_len];
+ int olderr = errno;
- sprintf (buf, "[number=%d],%s", number, tablename_val);
+ snprintf (buf, sizeof (buf), "[number=%d],%s", number, tablename_val);
- result = nis_list(buf, FOLLOW_LINKS | FOLLOW_PATH, NULL, NULL);
+ nis_result *result = nis_list (buf, FOLLOW_LINKS | FOLLOW_PATH | USE_DGRAM,
+ NULL, NULL);
- if (result == NULL)
- {
- *errnop = ENOMEM;
- return NSS_STATUS_TRYAGAIN;
- }
- if (niserr2nss (result->status) != NSS_STATUS_SUCCESS)
- {
- enum nss_status status = niserr2nss (result->status);
+ if (result == NULL)
+ {
+ *errnop = ENOMEM;
+ return NSS_STATUS_TRYAGAIN;
+ }
- __set_errno (olderr);
+ if (__builtin_expect (niserr2nss (result->status) != NSS_STATUS_SUCCESS, 0))
+ {
+ enum nss_status status = niserr2nss (result->status);
- nis_freeresult (result);
- return status;
- }
-
- parse_res = _nss_nisplus_parse_rpcent (result, rpc, buffer, buflen,
- errnop);
-
- nis_freeresult (result);
-
- if (parse_res < 1)
- {
- if (parse_res == -1)
- {
- *errnop = ERANGE;
- return NSS_STATUS_TRYAGAIN;
- }
- else
- {
- __set_errno (olderr);
- return NSS_STATUS_NOTFOUND;
- }
- }
- return NSS_STATUS_SUCCESS;
- }
+ __set_errno (olderr);
+
+ nis_freeresult (result);
+ return status;
+ }
+
+ int parse_res = _nss_nisplus_parse_rpcent (result, rpc, buffer, buflen,
+ errnop);
+
+ nis_freeresult (result);
+
+ if (parse_res < 1)
+ {
+ if (parse_res == -1)
+ {
+ *errnop = ERANGE;
+ return NSS_STATUS_TRYAGAIN;
+ }
+ else
+ {
+ __set_errno (olderr);
+ return NSS_STATUS_NOTFOUND;
+ }
+ }
+
+ return NSS_STATUS_SUCCESS;
}
diff --git a/nis/nss_nisplus/nisplus-service.c b/nis/nss_nisplus/nisplus-service.c
index fbb6987e9e..607ce80b01 100644
--- a/nis/nss_nisplus/nisplus-service.c
+++ b/nis/nss_nisplus/nisplus-service.c
@@ -1,4 +1,5 @@
-/* Copyright (C) 1997,1998,1999,2001,2002,2003 Free Software Foundation, Inc.
+/* Copyright (C) 1997, 1998, 1999, 2001, 2002, 2003, 2005, 2006, 2007
+ Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Thorsten Kukuk <kukuk@suse.de>, 1997.
@@ -17,13 +18,14 @@
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
-#include <nss.h>
-#include <errno.h>
+#include <atomic.h>
#include <ctype.h>
+#include <errno.h>
#include <netdb.h>
+#include <nss.h>
#include <string.h>
-#include <bits/libc-lock.h>
#include <rpcsvc/nis.h>
+#include <bits/libc-lock.h>
#include "nss-nisplus.h"
@@ -33,11 +35,12 @@ static nis_result *result;
static nis_name tablename_val;
static u_long tablename_len;
-#define NISENTRYVAL(idx,col,res) \
- ((res)->objects.objects_val[(idx)].EN_data.en_cols.en_cols_val[(col)].ec_value.ec_value_val)
+#define NISENTRYVAL(idx, col, res) \
+ (NIS_RES_OBJECT (res)[idx].EN_data.en_cols.en_cols_val[col].ec_value.ec_value_val)
+
+#define NISENTRYLEN(idx, col, res) \
+ (NIS_RES_OBJECT (res)[idx].EN_data.en_cols.en_cols_val[col].ec_value.ec_value_len)
-#define NISENTRYLEN(idx,col,res) \
- ((res)->objects.objects_val[(idx)].EN_data.en_cols.en_cols_val[(col)].ec_value.ec_value_len)
static int
_nss_nisplus_parse_servent (nis_result *result, struct servent *serv,
@@ -45,17 +48,14 @@ _nss_nisplus_parse_servent (nis_result *result, struct servent *serv,
{
char *first_unused = buffer;
size_t room_left = buflen;
- unsigned int i;
- char *p, *line;
if (result == NULL)
return 0;
if ((result->status != NIS_SUCCESS && result->status != NIS_S_SUCCESS)
- || __type_of (result->objects.objects_val) != NIS_ENTRY_OBJ
- || strcmp (result->objects.objects_val->EN_data.en_type,
- "services_tbl") != 0
- || result->objects.objects_val->EN_data.en_cols.en_cols_len < 4)
+ || __type_of (NIS_RES_OBJECT (result)) != NIS_ENTRY_OBJ
+ || strcmp (NIS_RES_OBJECT (result)->EN_data.en_type, "services_tbl") != 0
+ || NIS_RES_OBJECT (result)->EN_data.en_cols.en_cols_len < 4)
return 0;
if (NISENTRYLEN (0, 0, result) >= room_left)
@@ -68,8 +68,9 @@ _nss_nisplus_parse_servent (nis_result *result, struct servent *serv,
NISENTRYLEN (0, 0, result));
first_unused[NISENTRYLEN (0, 0, result)] = '\0';
serv->s_name = first_unused;
- room_left -= (strlen (first_unused) +1);
- first_unused += strlen (first_unused) +1;
+ size_t len = strlen (first_unused) + 1;
+ room_left -= len;
+ first_unused += len;
if (NISENTRYLEN (0, 2, result) >= room_left)
goto no_more_room;
@@ -77,40 +78,45 @@ _nss_nisplus_parse_servent (nis_result *result, struct servent *serv,
NISENTRYLEN (0, 2, result));
first_unused[NISENTRYLEN (0, 2, result)] = '\0';
serv->s_proto = first_unused;
- room_left -= strlen (first_unused) + 1;
- first_unused += strlen (first_unused) + 1;
+ len = strlen (first_unused) + 1;
+ room_left -= len;
+ first_unused += len;
serv->s_port = htons (atoi (NISENTRYVAL (0, 3, result)));
- p = first_unused;
- line = p;
- for (i = 0; i < result->objects.objects_len; ++i)
+ /* XXX Rewrite at some point to allocate the array first and then
+ copy the strings. It wasteful to first concatenate the strings
+ to just split them again later. */
+ char *line = first_unused;
+ for (unsigned int i = 0; i < NIS_RES_NUMOBJ (result); ++i)
{
if (strcmp (NISENTRYVAL (i, 1, result), serv->s_name) != 0)
{
if (NISENTRYLEN (i, 1, result) + 2 > room_left)
goto no_more_room;
- *p++ = ' ';
- p = __stpncpy (p, NISENTRYVAL (i, 1, result),
- NISENTRYLEN (i, 1, result));
- *p = '\0';
- room_left -= (NISENTRYLEN (i, 1, result) + 1);
+ *first_unused++ = ' ';
+ first_unused = __stpncpy (first_unused, NISENTRYVAL (i, 1, result),
+ NISENTRYLEN (i, 1, result));
+ room_left -= NISENTRYLEN (i, 1, result) + 1;
}
}
- *p++ = '\0';
- first_unused = p;
+ *first_unused++ = '\0';
/* Adjust the pointer so it is aligned for
storing pointers. */
- first_unused += __alignof__ (char *) - 1;
- first_unused -= ((first_unused - (char *) 0) % __alignof__ (char *));
- serv->s_aliases = (char **) first_unused;
- if (room_left < sizeof (char *))
+ size_t adjust = ((__alignof__ (char *)
+ - (first_unused - (char *) 0) % __alignof__ (char *))
+ % __alignof__ (char *));
+ if (room_left < adjust + sizeof (char *))
goto no_more_room;
+ first_unused += adjust;
+ room_left -= adjust;
+ serv->s_aliases = (char **) first_unused;
+
+ /* For the terminating NULL pointer. */
room_left -= (sizeof (char *));
- serv->s_aliases[0] = NULL;
- i = 0;
+ unsigned int i = 0;
while (*line != '\0')
{
/* Skip leading blanks. */
@@ -124,42 +130,45 @@ _nss_nisplus_parse_servent (nis_result *result, struct servent *serv,
goto no_more_room;
room_left -= sizeof (char *);
- serv->s_aliases[i] = line;
+ serv->s_aliases[i++] = line;
while (*line != '\0' && *line != ' ')
++line;
if (*line == ' ')
- {
- *line = '\0';
- ++line;
- ++i;
- }
- else
- serv->s_aliases[i+1] = NULL;
+ *line++ = '\0';
}
+ serv->s_aliases[i] = NULL;
return 1;
}
+
static enum nss_status
_nss_create_tablename (int *errnop)
{
if (tablename_val == NULL)
{
- char buf [40 + strlen (nis_local_directory ())];
- char *p;
+ const char *local_dir = nis_local_directory ();
+ size_t local_dir_len = strlen (local_dir);
+ static const char prefix[] = "services.org_dir.";
- p = __stpcpy (buf, "services.org_dir.");
- p = __stpcpy (p, nis_local_directory ());
- tablename_val = __strdup (buf);
- if (tablename_val == NULL)
+ char *p = malloc (sizeof (prefix) + local_dir_len);
+ if (p == NULL)
{
*errnop = errno;
return NSS_STATUS_TRYAGAIN;
}
- tablename_len = strlen (tablename_val);
+
+ memcpy (__stpcpy (p, prefix), local_dir, local_dir_len + 1);
+
+ tablename_len = sizeof (prefix) - 1 + local_dir_len;
+
+ atomic_write_barrier ();
+
+ tablename_val = p;
}
+
return NSS_STATUS_SUCCESS;
}
@@ -172,9 +181,11 @@ _nss_nisplus_setservent (int stayopen)
__libc_lock_lock (lock);
- if (result)
- nis_freeresult (result);
- result = NULL;
+ if (result != NULL)
+ {
+ nis_freeresult (result);
+ result = NULL;
+ }
if (tablename_val == NULL)
status = _nss_create_tablename (&err);
@@ -189,9 +200,11 @@ _nss_nisplus_endservent (void)
{
__libc_lock_lock (lock);
- if (result)
- nis_freeresult (result);
- result = NULL;
+ if (result != NULL)
+ {
+ nis_freeresult (result);
+ result = NULL;
+ }
__libc_lock_unlock (lock);
@@ -221,16 +234,23 @@ internal_nisplus_getservent_r (struct servent *serv, char *buffer,
}
result = nis_first_entry (tablename_val);
+ if (result == NULL)
+ {
+ *errnop = errno;
+ return NSS_STATUS_TRYAGAIN;
+ }
if (niserr2nss (result->status) != NSS_STATUS_SUCCESS)
return niserr2nss (result->status);
}
else
{
- nis_result *res;
-
saved_res = result;
- res = nis_next_entry (tablename_val, &result->cookie);
- result = res;
+ result = nis_next_entry (tablename_val, &result->cookie);
+ if (result == NULL)
+ {
+ *errnop = errno;
+ return NSS_STATUS_TRYAGAIN;
+ }
if (niserr2nss (result->status) != NSS_STATUS_SUCCESS)
{
nis_freeresult (saved_res);
@@ -240,7 +260,7 @@ internal_nisplus_getservent_r (struct servent *serv, char *buffer,
parse_res = _nss_nisplus_parse_servent (result, serv, buffer,
buflen, errnop);
- if (parse_res == -1)
+ if (__builtin_expect (parse_res == -1, 0))
{
nis_freeresult (result);
result = saved_res;
@@ -262,11 +282,9 @@ enum nss_status
_nss_nisplus_getservent_r (struct servent *result, char *buffer,
size_t buflen, int *errnop)
{
- int status;
-
__libc_lock_lock (lock);
- status = internal_nisplus_getservent_r (result, buffer, buflen, errnop);
+ int status = internal_nisplus_getservent_r (result, buffer, buflen, errnop);
__libc_lock_unlock (lock);
@@ -278,12 +296,14 @@ _nss_nisplus_getservbyname_r (const char *name, const char *protocol,
struct servent *serv,
char *buffer, size_t buflen, int *errnop)
{
- int parse_res;
-
if (tablename_val == NULL)
{
+ __libc_lock_lock (lock);
+
enum nss_status status = _nss_create_tablename (errnop);
+ __libc_lock_unlock (lock);
+
if (status != NSS_STATUS_SUCCESS)
return status;
}
@@ -293,72 +313,84 @@ _nss_nisplus_getservbyname_r (const char *name, const char *protocol,
*errnop = EINVAL;
return NSS_STATUS_NOTFOUND;
}
- else
- {
- nis_result *result;
- char buf[strlen (name) + 255 + tablename_len];
- int olderr = errno;
- /* Search at first in the alias list, and use the correct name
- for the next search */
- sprintf (buf, "[name=%s,proto=%s],%s", name, protocol,
- tablename_val);
- result = nis_list (buf, FOLLOW_PATH | FOLLOW_LINKS, NULL, NULL);
+ size_t protocol_len = strlen (protocol);
+ char buf[strlen (name) + protocol_len + 17 + tablename_len];
+ int olderr = errno;
- if (result != NULL)
- {
- /* If we do not find it, try it as original name. But if the
- database is correct, we should find it in the first case, too */
- if ((result->status != NIS_SUCCESS
- && result->status != NIS_S_SUCCESS)
- || __type_of (result->objects.objects_val) != NIS_ENTRY_OBJ
- || strcmp (result->objects.objects_val->EN_data.en_type,
- "services_tbl") != 0
- || result->objects.objects_val->EN_data.en_cols.en_cols_len < 4)
- sprintf (buf, "[cname=%s,proto=%s],%s", name, protocol,
- tablename_val);
- else
- sprintf (buf, "[cname=%s,proto=%s],%s",
- NISENTRYVAL (0, 0, result), protocol, tablename_val);
-
- nis_freeresult (result);
- result = nis_list (buf, FOLLOW_PATH | FOLLOW_LINKS, NULL, NULL);
- }
+ /* Search at first in the alias list, and use the correct name
+ for the next search */
+ snprintf (buf, sizeof (buf), "[name=%s,proto=%s],%s", name, protocol,
+ tablename_val);
+ nis_result *result = nis_list (buf, FOLLOW_PATH | FOLLOW_LINKS | USE_DGRAM,
+ NULL, NULL);
- if (result == NULL)
+ if (result != NULL)
+ {
+ char *bufptr = buf;
+
+ /* If we did not find it, try it as original name. But if the
+ database is correct, we should find it in the first case, too */
+ if ((result->status != NIS_SUCCESS
+ && result->status != NIS_S_SUCCESS)
+ || __type_of (NIS_RES_OBJECT (result)) != NIS_ENTRY_OBJ
+ || strcmp (NIS_RES_OBJECT (result)->EN_data.en_type,
+ "services_tbl") != 0
+ || NIS_RES_OBJECT (result)->EN_data.en_cols.en_cols_len < 4)
+ snprintf (buf, sizeof (buf), "[cname=%s,proto=%s],%s", name, protocol,
+ tablename_val);
+ else
{
- *errnop = ENOMEM;
- return NSS_STATUS_TRYAGAIN;
+ /* We need to allocate a new buffer since there is no
+ guarantee the returned name has a length limit. */
+ const char *entryval = NISENTRYVAL(0, 0, result);
+ size_t buflen = (strlen (entryval) + protocol_len + 17
+ + tablename_len);
+ bufptr = alloca (buflen);
+ snprintf (bufptr, buflen, "[cname=%s,proto=%s],%s",
+ entryval, protocol, tablename_val);
}
- if (niserr2nss (result->status) != NSS_STATUS_SUCCESS)
- {
- enum nss_status status = niserr2nss (result->status);
- __set_errno (olderr);
+ nis_freeresult (result);
+ result = nis_list (bufptr, FOLLOW_PATH | FOLLOW_LINKS | USE_DGRAM,
+ NULL, NULL);
+ }
- nis_freeresult (result);
- return status;
- }
+ if (result == NULL)
+ {
+ *errnop = ENOMEM;
+ return NSS_STATUS_TRYAGAIN;
+ }
+
+ if (__builtin_expect (niserr2nss (result->status) != NSS_STATUS_SUCCESS, 0))
+ {
+ enum nss_status status = niserr2nss (result->status);
+
+ __set_errno (olderr);
- parse_res = _nss_nisplus_parse_servent (result, serv, buffer, buflen,
- errnop);
nis_freeresult (result);
+ return status;
+ }
- if (parse_res < 1)
+ int parse_res = _nss_nisplus_parse_servent (result, serv, buffer, buflen,
+ errnop);
+ nis_freeresult (result);
+
+ if (__builtin_expect (parse_res < 1, 0))
+ {
+ if (parse_res == -1)
{
- if (parse_res == -1)
- {
- *errnop = ERANGE;
- return NSS_STATUS_TRYAGAIN;
- }
- else
- {
- __set_errno (olderr);
- return NSS_STATUS_NOTFOUND;
- }
+ *errnop = ERANGE;
+ return NSS_STATUS_TRYAGAIN;
+ }
+ else
+ {
+ __set_errno (olderr);
+ return NSS_STATUS_NOTFOUND;
}
- return NSS_STATUS_SUCCESS;
}
+
+ return NSS_STATUS_SUCCESS;
}
enum nss_status
@@ -368,8 +400,12 @@ _nss_nisplus_getservbyport_r (const int number, const char *protocol,
{
if (tablename_val == NULL)
{
+ __libc_lock_lock (lock);
+
enum nss_status status = _nss_create_tablename (errnop);
+ __libc_lock_unlock (lock);
+
if (status != NSS_STATUS_SUCCESS)
return status;
}
@@ -379,50 +415,49 @@ _nss_nisplus_getservbyport_r (const int number, const char *protocol,
*errnop = EINVAL;
return NSS_STATUS_NOTFOUND;
}
- else
- {
- int parse_res;
- nis_result *result;
- char buf[60 + strlen (protocol) + tablename_len];
- int olderr = errno;
- sprintf (buf, "[port=%d,proto=%s],%s",
- number, protocol, tablename_val);
+ char buf[17 + 3 * sizeof (int) + strlen (protocol) + tablename_len];
+ int olderr = errno;
- result = nis_list (buf, FOLLOW_PATH | FOLLOW_LINKS, NULL, NULL);
+ snprintf (buf, sizeof (buf), "[port=%d,proto=%s],%s",
+ number, protocol, tablename_val);
- if (result == NULL)
- {
- *errnop = ENOMEM;
- return NSS_STATUS_TRYAGAIN;
- }
- if (niserr2nss (result->status) != NSS_STATUS_SUCCESS)
- {
- enum nss_status status = niserr2nss (result->status);
+ nis_result *result = nis_list (buf, FOLLOW_PATH | FOLLOW_LINKS | USE_DGRAM,
+ NULL, NULL);
- __set_errno (olderr);
+ if (result == NULL)
+ {
+ *errnop = ENOMEM;
+ return NSS_STATUS_TRYAGAIN;
+ }
- nis_freeresult (result);
- return status;
- }
+ if (__builtin_expect (niserr2nss (result->status) != NSS_STATUS_SUCCESS, 0))
+ {
+ enum nss_status status = niserr2nss (result->status);
+
+ __set_errno (olderr);
- parse_res = _nss_nisplus_parse_servent (result, serv, buffer, buflen,
- errnop);
nis_freeresult (result);
+ return status;
+ }
- if (parse_res < 1)
+ int parse_res = _nss_nisplus_parse_servent (result, serv, buffer, buflen,
+ errnop);
+ nis_freeresult (result);
+
+ if (__builtin_expect (parse_res < 1, 0))
+ {
+ if (parse_res == -1)
{
- if (parse_res == -1)
- {
- *errnop = ERANGE;
- return NSS_STATUS_TRYAGAIN;
- }
- else
- {
- __set_errno (olderr);
- return NSS_STATUS_NOTFOUND;
- }
+ *errnop = ERANGE;
+ return NSS_STATUS_TRYAGAIN;
+ }
+ else
+ {
+ __set_errno (olderr);
+ return NSS_STATUS_NOTFOUND;
}
- return NSS_STATUS_SUCCESS;
}
+
+ return NSS_STATUS_SUCCESS;
}
diff --git a/nis/nss_nisplus/nisplus-spwd.c b/nis/nss_nisplus/nisplus-spwd.c
index c317469137..f256f3eb90 100644
--- a/nis/nss_nisplus/nisplus-spwd.c
+++ b/nis/nss_nisplus/nisplus-spwd.c
@@ -1,4 +1,5 @@
-/* Copyright (C) 1997, 2001, 2002, 2003 Free Software Foundation, Inc.
+/* Copyright (C) 1997, 2001, 2002, 2003, 2005, 2007
+ Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Thorsten Kukuk <kukuk@vt.uni-paderborn.de>, 1997.
@@ -30,29 +31,12 @@
__libc_lock_define_initialized (static, lock)
static nis_result *result;
-static nis_name tablename_val;
-static u_long tablename_len;
-static enum nss_status
-_nss_create_tablename (int *errnop)
-{
- if (tablename_val == NULL)
- {
- char buf [40 + strlen (nis_local_directory ())];
- char *p;
+/* Defined in nisplus-pwd.c. */
+extern nis_name pwd_tablename_val attribute_hidden;
+extern size_t pwd_tablename_len attribute_hidden;
+extern enum nss_status _nss_pwd_create_tablename (int *errnop);
- p = __stpcpy (buf, "passwd.org_dir.");
- p = __stpcpy (p, nis_local_directory ());
- tablename_val = __strdup (buf);
- if (tablename_val == NULL)
- {
- *errnop = errno;
- return NSS_STATUS_TRYAGAIN;
- }
- tablename_len = strlen (tablename_val);
- }
- return NSS_STATUS_SUCCESS;
-}
enum nss_status
_nss_nisplus_setspent (int stayopen)
@@ -62,12 +46,14 @@ _nss_nisplus_setspent (int stayopen)
__libc_lock_lock (lock);
- if (result)
- nis_freeresult (result);
- result = NULL;
+ if (result != NULL)
+ {
+ nis_freeresult (result);
+ result = NULL;
+ }
- if (tablename_val == NULL)
- status = _nss_create_tablename (&err);
+ if (pwd_tablename_val == NULL)
+ status = _nss_pwd_create_tablename (&err);
__libc_lock_unlock (lock);
@@ -79,9 +65,11 @@ _nss_nisplus_endspent (void)
{
__libc_lock_lock (lock);
- if (result)
- nis_freeresult (result);
- result = NULL;
+ if (result != NULL)
+ {
+ nis_freeresult (result);
+ result = NULL;
+ }
__libc_lock_unlock (lock);
@@ -103,25 +91,32 @@ internal_nisplus_getspent_r (struct spwd *sp, char *buffer, size_t buflen,
{
saved_res = NULL;
- if (tablename_val == NULL)
+ if (pwd_tablename_val == NULL)
{
- enum nss_status status = _nss_create_tablename (errnop);
+ enum nss_status status = _nss_pwd_create_tablename (errnop);
if (status != NSS_STATUS_SUCCESS)
return status;
}
- result = nis_first_entry (tablename_val);
+ result = nis_first_entry (pwd_tablename_val);
+ if (result == NULL)
+ {
+ *errnop = errno;
+ return NSS_STATUS_TRYAGAIN;
+ }
if (niserr2nss (result->status) != NSS_STATUS_SUCCESS)
return niserr2nss (result->status);
}
else
{
- nis_result *res;
-
saved_res = result;
- res = nis_next_entry (tablename_val, &result->cookie);
- result = res;
+ result = nis_next_entry (pwd_tablename_val, &result->cookie);
+ if (result == NULL)
+ {
+ *errnop = errno;
+ return NSS_STATUS_TRYAGAIN;
+ }
if (niserr2nss (result->status) != NSS_STATUS_SUCCESS)
{
nis_freeresult (saved_res);
@@ -131,19 +126,18 @@ internal_nisplus_getspent_r (struct spwd *sp, char *buffer, size_t buflen,
parse_res = _nss_nisplus_parse_spent (result, sp, buffer,
buflen, errnop);
- if (parse_res == -1)
+ if (__builtin_expect (parse_res == -1, 0))
{
nis_freeresult (result);
result = saved_res;
*errnop = ERANGE;
return NSS_STATUS_TRYAGAIN;
}
- else
- {
- if (saved_res)
- nis_freeresult (saved_res);
- }
- } while (!parse_res);
+
+ if (saved_res != NULL)
+ nis_freeresult (saved_res);
+ }
+ while (!parse_res);
return NSS_STATUS_SUCCESS;
}
@@ -169,9 +163,9 @@ _nss_nisplus_getspnam_r (const char *name, struct spwd *sp,
{
int parse_res;
- if (tablename_val == NULL)
+ if (pwd_tablename_val == NULL)
{
- enum nss_status status = _nss_create_tablename (errnop);
+ enum nss_status status = _nss_pwd_create_tablename (errnop);
if (status != NSS_STATUS_SUCCESS)
return status;
@@ -182,48 +176,47 @@ _nss_nisplus_getspnam_r (const char *name, struct spwd *sp,
*errnop = EINVAL;
return NSS_STATUS_NOTFOUND;
}
- else
- {
- nis_result *result;
- char buf[strlen (name) + 24 + tablename_len];
- int olderr = errno;
- sprintf (buf, "[name=%s],%s", name, tablename_val);
+ nis_result *result;
+ char buf[strlen (name) + 9 + pwd_tablename_len];
+ int olderr = errno;
- result = nis_list (buf, FOLLOW_PATH | FOLLOW_LINKS, NULL, NULL);
+ snprintf (buf, sizeof (buf), "[name=%s],%s", name, pwd_tablename_val);
- if (result == NULL)
- {
- *errnop = ENOMEM;
- return NSS_STATUS_TRYAGAIN;
- }
- if (niserr2nss (result->status) != NSS_STATUS_SUCCESS)
- {
- enum nss_status status = niserr2nss (result->status);
+ result = nis_list (buf, FOLLOW_PATH | FOLLOW_LINKS | USE_DGRAM, NULL, NULL);
- __set_errno (olderr);
+ if (result == NULL)
+ {
+ *errnop = ENOMEM;
+ return NSS_STATUS_TRYAGAIN;
+ }
- nis_freeresult (result);
- return status;
- }
+ if (__builtin_expect (niserr2nss (result->status) != NSS_STATUS_SUCCESS, 0))
+ {
+ enum nss_status status = niserr2nss (result->status);
+
+ __set_errno (olderr);
- parse_res = _nss_nisplus_parse_spent (result, sp, buffer, buflen,
- errnop);
nis_freeresult (result);
+ return status;
+ }
+
+ parse_res = _nss_nisplus_parse_spent (result, sp, buffer, buflen, errnop);
+ nis_freeresult (result);
- if (parse_res < 1)
+ if (__builtin_expect (parse_res < 1, 0))
+ {
+ if (parse_res == -1)
{
- if (parse_res == -1)
- {
- *errnop = ERANGE;
- return NSS_STATUS_TRYAGAIN;
- }
- else
- {
- __set_errno (olderr);
- return NSS_STATUS_NOTFOUND;
- }
+ *errnop = ERANGE;
+ return NSS_STATUS_TRYAGAIN;
+ }
+ else
+ {
+ __set_errno (olderr);
+ return NSS_STATUS_NOTFOUND;
}
- return NSS_STATUS_SUCCESS;
}
+
+ return NSS_STATUS_SUCCESS;
}
diff --git a/nis/rpcsvc/nislib.h b/nis/rpcsvc/nislib.h
index a55de61830..c8927ece17 100644
--- a/nis/rpcsvc/nislib.h
+++ b/nis/rpcsvc/nislib.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1997, 1998, 1999 Free Software Foundation, Inc.
+/* Copyright (C) 1997, 1998, 1999, 2006, 2007 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Thorsten Kukuk <kukuk@suse.de>, 1997.
@@ -272,11 +272,13 @@ struct dir_binding
typedef struct dir_binding dir_binding;
extern nis_error __nisbind_create (dir_binding *, const nis_server *,
- unsigned int, unsigned int) __THROW;
+ unsigned int, unsigned int, unsigned int,
+ unsigned int) __THROW;
extern nis_error __nisbind_connect (dir_binding *) __THROW;
extern nis_error __nisbind_next (dir_binding *) __THROW;
extern void __nisbind_destroy (dir_binding *) __THROW;
-extern nis_error __nisfind_server (const_nis_name, directory_obj **) __THROW;
+extern nis_error __nisfind_server (const_nis_name, int, directory_obj **,
+ dir_binding *, unsigned int) __THROW;
#endif
diff --git a/nis/yp_xdr.c b/nis/yp_xdr.c
index 0ee80126e8..b87ee06151 100644
--- a/nis/yp_xdr.c
+++ b/nis/yp_xdr.c
@@ -103,6 +103,7 @@ xdr_ypreq_key (XDR *xdrs, ypreq_key *objp)
return FALSE;
return xdr_keydat (xdrs, &objp->key);
}
+libnsl_hidden_def (xdr_ypreq_key)
bool_t
xdr_ypreq_nokey (XDR *xdrs, ypreq_nokey *objp)
@@ -111,6 +112,7 @@ xdr_ypreq_nokey (XDR *xdrs, ypreq_nokey *objp)
return FALSE;
return xdr_mapname (xdrs, &objp->map);
}
+libnsl_hidden_def (xdr_ypreq_nokey)
bool_t
xdr_ypreq_xfr (XDR *xdrs, ypreq_xfr *objp)
@@ -131,6 +133,7 @@ xdr_ypresp_val (XDR *xdrs, ypresp_val *objp)
return FALSE;
return xdr_valdat (xdrs, &objp->val);
}
+libnsl_hidden_def (xdr_ypresp_val)
bool_t
xdr_ypresp_key_val (XDR *xdrs, ypresp_key_val *objp)
@@ -150,6 +153,7 @@ xdr_ypresp_master (XDR *xdrs, ypresp_master *objp)
return FALSE;
return xdr_peername (xdrs, &objp->peer);
}
+libnsl_hidden_def (xdr_ypresp_master)
bool_t
xdr_ypresp_order (XDR *xdrs, ypresp_order *objp)
@@ -158,6 +162,7 @@ xdr_ypresp_order (XDR *xdrs, ypresp_order *objp)
return FALSE;
return xdr_u_int (xdrs, &objp->ordernum);
}
+libnsl_hidden_def (xdr_ypresp_order)
bool_t
xdr_ypresp_all (XDR *xdrs, ypresp_all *objp)
@@ -193,6 +198,7 @@ xdr_ypmaplist (XDR *xdrs, ypmaplist *objp)
return xdr_pointer (xdrs, (char **) &objp->next, sizeof (ypmaplist),
(xdrproc_t) xdr_ypmaplist);
}
+libnsl_hidden_def (xdr_ypmaplist)
bool_t
xdr_ypresp_maplist (XDR *xdrs, ypresp_maplist *objp)
@@ -202,6 +208,7 @@ xdr_ypresp_maplist (XDR *xdrs, ypresp_maplist *objp)
return xdr_pointer (xdrs, (char **) &objp->maps, sizeof (ypmaplist),
(xdrproc_t) xdr_ypmaplist);
}
+libnsl_hidden_def (xdr_ypresp_maplist)
bool_t
xdr_yppush_status (XDR *xdrs, yppush_status *objp)
@@ -248,6 +255,7 @@ xdr_ypbind_resp (XDR *xdrs, ypbind_resp *objp)
}
return FALSE;
}
+libnsl_hidden_def (xdr_ypbind_resp)
bool_t
xdr_ypbind_setdom (XDR *xdrs, ypbind_setdom *objp)
diff --git a/nis/ypclnt.c b/nis/ypclnt.c
index 85292b62d9..ae04ee9212 100644
--- a/nis/ypclnt.c
+++ b/nis/ypclnt.c
@@ -1,4 +1,5 @@
-/* Copyright (C) 1996-2001, 2002, 2003, 2004 Free Software Foundation, Inc.
+/* Copyright (C) 1996-2001, 2002, 2003, 2004, 2005, 2006
+ Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Thorsten Kukuk <kukuk@suse.de>, 1996.
@@ -45,12 +46,12 @@ struct dom_binding
};
typedef struct dom_binding dom_binding;
-static struct timeval RPCTIMEOUT = {25, 0};
-static struct timeval UDPTIMEOUT = {5, 0};
+static const struct timeval RPCTIMEOUT = {25, 0};
+static const struct timeval UDPTIMEOUT = {5, 0};
static int const MAXTRIES = 2;
-static char __ypdomainname[NIS_MAXNAMELEN + 1] = "\0";
+static char ypdomainname[NIS_MAXNAMELEN + 1];
__libc_lock_define_initialized (static, ypbindlist_lock)
-static dom_binding *__ypbindlist = NULL;
+static dom_binding *ypbindlist = NULL;
static void
@@ -110,8 +111,8 @@ yp_bind_ypbindprog (const char *domain, dom_binding *ysd)
int clnt_sock;
CLIENT *client;
- memset (&clnt_saddr, '\0', sizeof clnt_saddr);
clnt_saddr.sin_family = AF_INET;
+ clnt_saddr.sin_port = 0;
clnt_saddr.sin_addr.s_addr = htonl (INADDR_LOOPBACK);
clnt_sock = RPC_ANYSOCK;
client = clnttcp_create (&clnt_saddr, YPBINDPROG, YPBINDVERS,
@@ -141,7 +142,7 @@ yp_bind_ypbindprog (const char *domain, dom_binding *ysd)
if (ypbr.ypbind_status != YPBIND_SUCC_VAL)
{
- fprintf (stderr, _("YPBINDPROC_DOMAIN: %s\n"),
+ fprintf (stderr, "YPBINDPROC_DOMAIN: %s\n",
ypbinderr_string (ypbr.ypbind_resp_u.ypbind_error));
return YPERR_DOMAIN;
}
@@ -224,7 +225,7 @@ yp_bind (const char *indomain)
__libc_lock_lock (ypbindlist_lock);
- status = __yp_bind (indomain, &__ypbindlist);
+ status = __yp_bind (indomain, &ypbindlist);
__libc_lock_unlock (ypbindlist_lock);
@@ -238,7 +239,7 @@ yp_unbind_locked (const char *indomain)
dom_binding *ydbptr, *ydbptr2;
ydbptr2 = NULL;
- ydbptr = __ypbindlist;
+ ydbptr = ypbindlist;
while (ydbptr != NULL)
{
@@ -248,7 +249,7 @@ yp_unbind_locked (const char *indomain)
work = ydbptr;
if (ydbptr2 == NULL)
- __ypbindlist = __ypbindlist->dom_pnext;
+ ypbindlist = ypbindlist->dom_pnext;
else
ydbptr2 = ydbptr->dom_pnext;
__yp_unbind (work);
@@ -305,7 +306,7 @@ do_ypcall (const char *domain, u_long prog, xdrproc_t xargs,
status = YPERR_YPERR;
__libc_lock_lock (ypbindlist_lock);
- ydb = __ypbindlist;
+ ydb = ypbindlist;
while (ydb != NULL)
{
if (strcmp (domain, ydb->dom_domain) == 0)
@@ -348,7 +349,7 @@ do_ypcall (const char *domain, u_long prog, xdrproc_t xargs,
if (status != YPERR_SUCCESS)
{
ydb = calloc (1, sizeof (dom_binding));
- if (yp_bind_ypbindprog (domain, ydb) == YPERR_SUCCESS)
+ if (ydb != NULL && yp_bind_ypbindprog (domain, ydb) == YPERR_SUCCESS)
{
status = __ypclnt_call (domain, prog, xargs, req, xres,
resp, &ydb, 1);
@@ -364,6 +365,21 @@ do_ypcall (const char *domain, u_long prog, xdrproc_t xargs,
return status;
}
+/* Like do_ypcall, but translate the status value if necessary. */
+static int
+do_ypcall_tr (const char *domain, u_long prog, xdrproc_t xargs,
+ caddr_t req, xdrproc_t xres, caddr_t resp)
+{
+ int status = do_ypcall (domain, prog, xargs, req, xres, resp);
+ if (status == YPERR_SUCCESS)
+ /* We cast to ypresp_val although the pointer could also be of
+ type ypresp_key_val or ypresp_master or ypresp_order or
+ ypresp_maplist. But the stat element is in a common prefix so
+ this does not matter. */
+ status = ypprot_err (((struct ypresp_val *) resp)->stat);
+ return status;
+}
+
__libc_lock_define_initialized (static, domainname_lock)
@@ -375,21 +391,21 @@ yp_get_default_domain (char **outdomain)
__libc_lock_lock (domainname_lock);
- if (__ypdomainname[0] == '\0')
+ if (ypdomainname[0] == '\0')
{
- if (getdomainname (__ypdomainname, NIS_MAXNAMELEN))
+ if (getdomainname (ypdomainname, NIS_MAXNAMELEN))
result = YPERR_NODOM;
- else if (strcmp (__ypdomainname, "(none)") == 0)
+ else if (strcmp (ypdomainname, "(none)") == 0)
{
/* If domainname is not set, some systems will return "(none)" */
- __ypdomainname[0] = '\0';
+ ypdomainname[0] = '\0';
result = YPERR_NODOM;
}
else
- *outdomain = __ypdomainname;
+ *outdomain = ypdomainname;
}
else
- *outdomain = __ypdomainname;
+ *outdomain = ypdomainname;
__libc_lock_unlock (domainname_lock);
@@ -402,14 +418,14 @@ __yp_check (char **domain)
{
char *unused;
- if (__ypdomainname[0] == '\0')
+ if (ypdomainname[0] == '\0')
if (yp_get_default_domain (&unused))
return 0;
if (domain)
- *domain = __ypdomainname;
+ *domain = ypdomainname;
- if (yp_bind (__ypdomainname) == 0)
+ if (yp_bind (ypdomainname) == 0)
return 1;
return 0;
}
@@ -436,25 +452,26 @@ yp_match (const char *indomain, const char *inmap, const char *inkey,
*outvallen = 0;
memset (&resp, '\0', sizeof (resp));
- result = do_ypcall (indomain, YPPROC_MATCH, (xdrproc_t) xdr_ypreq_key,
- (caddr_t) & req, (xdrproc_t) xdr_ypresp_val,
- (caddr_t) & resp);
+ result = do_ypcall_tr (indomain, YPPROC_MATCH, (xdrproc_t) xdr_ypreq_key,
+ (caddr_t) &req, (xdrproc_t) xdr_ypresp_val,
+ (caddr_t) &resp);
if (result != YPERR_SUCCESS)
return result;
- if (resp.stat != YP_TRUE)
- return ypprot_err (resp.stat);
*outvallen = resp.val.valdat_len;
*outval = malloc (*outvallen + 1);
- if (__builtin_expect (*outval == NULL, 0))
- return YPERR_RESRC;
- memcpy (*outval, resp.val.valdat_val, *outvallen);
- (*outval)[*outvallen] = '\0';
+ int status = YPERR_RESRC;
+ if (__builtin_expect (*outval != NULL, 1))
+ {
+ memcpy (*outval, resp.val.valdat_val, *outvallen);
+ (*outval)[*outvallen] = '\0';
+ status = YPERR_SUCCESS;
+ }
xdr_free ((xdrproc_t) xdr_ypresp_val, (char *) &resp);
- return YPERR_SUCCESS;
+ return status;
}
int
@@ -477,30 +494,38 @@ yp_first (const char *indomain, const char *inmap, char **outkey,
memset (&resp, '\0', sizeof (resp));
result = do_ypcall (indomain, YPPROC_FIRST, (xdrproc_t) xdr_ypreq_nokey,
- (caddr_t) & req, (xdrproc_t) xdr_ypresp_key_val,
- (caddr_t) & resp);
+ (caddr_t) &req, (xdrproc_t) xdr_ypresp_key_val,
+ (caddr_t) &resp);
if (result != RPC_SUCCESS)
return YPERR_RPC;
if (resp.stat != YP_TRUE)
return ypprot_err (resp.stat);
- *outkeylen = resp.key.keydat_len;
- *outkey = malloc (*outkeylen + 1);
- if (__builtin_expect (*outkey == NULL, 0))
- return YPERR_RESRC;
- memcpy (*outkey, resp.key.keydat_val, *outkeylen);
- (*outkey)[*outkeylen] = '\0';
- *outvallen = resp.val.valdat_len;
- *outval = malloc (*outvallen + 1);
- if (__builtin_expect (*outval == NULL, 0))
- return YPERR_RESRC;
- memcpy (*outval, resp.val.valdat_val, *outvallen);
- (*outval)[*outvallen] = '\0';
+ int status;
+ if (__builtin_expect ((*outkey = malloc (resp.key.keydat_len + 1)) != NULL
+ && (*outval = malloc (resp.val.valdat_len
+ + 1)) != NULL, 1))
+ {
+ *outkeylen = resp.key.keydat_len;
+ memcpy (*outkey, resp.key.keydat_val, *outkeylen);
+ (*outkey)[*outkeylen] = '\0';
+
+ *outvallen = resp.val.valdat_len;
+ memcpy (*outval, resp.val.valdat_val, *outvallen);
+ (*outval)[*outvallen] = '\0';
+
+ status = YPERR_SUCCESS;
+ }
+ else
+ {
+ free (*outkey);
+ status = YPERR_RESRC;
+ }
xdr_free ((xdrproc_t) xdr_ypresp_key_val, (char *) &resp);
- return YPERR_SUCCESS;
+ return status;
}
int
@@ -526,31 +551,37 @@ yp_next (const char *indomain, const char *inmap, const char *inkey,
*outkeylen = *outvallen = 0;
memset (&resp, '\0', sizeof (resp));
- result = do_ypcall (indomain, YPPROC_NEXT, (xdrproc_t) xdr_ypreq_key,
- (caddr_t) & req, (xdrproc_t) xdr_ypresp_key_val,
- (caddr_t) & resp);
+ result = do_ypcall_tr (indomain, YPPROC_NEXT, (xdrproc_t) xdr_ypreq_key,
+ (caddr_t) &req, (xdrproc_t) xdr_ypresp_key_val,
+ (caddr_t) &resp);
if (result != YPERR_SUCCESS)
return result;
- if (resp.stat != YP_TRUE)
- return ypprot_err (resp.stat);
- *outkeylen = resp.key.keydat_len;
- *outkey = malloc (*outkeylen + 1);
- if (__builtin_expect (*outkey == NULL, 0))
- return YPERR_RESRC;
- memcpy (*outkey, resp.key.keydat_val, *outkeylen);
- (*outkey)[*outkeylen] = '\0';
- *outvallen = resp.val.valdat_len;
- *outval = malloc (*outvallen + 1);
- if (__builtin_expect (*outval == NULL, 0))
- return YPERR_RESRC;
- memcpy (*outval, resp.val.valdat_val, *outvallen);
- (*outval)[*outvallen] = '\0';
+ int status;
+ if (__builtin_expect ((*outkey = malloc (resp.key.keydat_len + 1)) != NULL
+ && (*outval = malloc (resp.val.valdat_len
+ + 1)) != NULL, 1))
+ {
+ *outkeylen = resp.key.keydat_len;
+ memcpy (*outkey, resp.key.keydat_val, *outkeylen);
+ (*outkey)[*outkeylen] = '\0';
+
+ *outvallen = resp.val.valdat_len;
+ memcpy (*outval, resp.val.valdat_val, *outvallen);
+ (*outval)[*outvallen] = '\0';
+
+ status = YPERR_SUCCESS;
+ }
+ else
+ {
+ free (*outkey);
+ status = YPERR_RESRC;
+ }
xdr_free ((xdrproc_t) xdr_ypresp_key_val, (char *) &resp);
- return YPERR_SUCCESS;
+ return status;
}
int
@@ -569,13 +600,12 @@ yp_master (const char *indomain, const char *inmap, char **outname)
memset (&resp, '\0', sizeof (ypresp_master));
- result = do_ypcall (indomain, YPPROC_MASTER, (xdrproc_t) xdr_ypreq_nokey,
- (caddr_t) & req, (xdrproc_t) xdr_ypresp_master, (caddr_t) & resp);
+ result = do_ypcall_tr (indomain, YPPROC_MASTER, (xdrproc_t) xdr_ypreq_nokey,
+ (caddr_t) &req, (xdrproc_t) xdr_ypresp_master,
+ (caddr_t) &resp);
if (result != YPERR_SUCCESS)
return result;
- if (resp.stat != YP_TRUE)
- return ypprot_err (resp.stat);
*outname = strdup (resp.peer);
xdr_free ((xdrproc_t) xdr_ypresp_master, (char *) &resp);
@@ -592,7 +622,7 @@ yp_order (const char *indomain, const char *inmap, unsigned int *outorder)
enum clnt_stat result;
if (indomain == NULL || indomain[0] == '\0' ||
- inmap == NULL || inmap == '\0')
+ inmap == NULL || inmap[0] == '\0')
return YPERR_BADARGS;
req.domain = (char *) indomain;
@@ -600,18 +630,17 @@ yp_order (const char *indomain, const char *inmap, unsigned int *outorder)
memset (&resp, '\0', sizeof (resp));
- result = do_ypcall (indomain, YPPROC_ORDER, (xdrproc_t) xdr_ypreq_nokey,
- (caddr_t) & req, (xdrproc_t) xdr_ypresp_order, (caddr_t) & resp);
+ result = do_ypcall_tr (indomain, YPPROC_ORDER, (xdrproc_t) xdr_ypreq_nokey,
+ (caddr_t) &req, (xdrproc_t) xdr_ypresp_order,
+ (caddr_t) &resp);
- if (result != YPERR_SUCCESS)
+ if (result == YPERR_SUCCESS)
return result;
- if (resp.stat != YP_TRUE)
- return ypprot_err (resp.stat);
*outorder = resp.ordernum;
xdr_free ((xdrproc_t) xdr_ypresp_order, (char *) &resp);
- return YPERR_SUCCESS;
+ return result;
}
struct ypresp_all_data
@@ -657,10 +686,10 @@ __xdr_ypresp_all (XDR *xdrs, struct ypresp_all_data *objp)
if we don't modify the length. So add an extra NUL
character to avoid trouble with broken code. */
objp->status = YP_TRUE;
- memcpy (key, resp.ypresp_all_u.val.key.keydat_val, keylen);
- key[keylen] = '\0';
- memcpy (val, resp.ypresp_all_u.val.val.valdat_val, vallen);
- val[vallen] = '\0';
+ *((char *) __mempcpy (key, resp.ypresp_all_u.val.key.keydat_val,
+ keylen)) = '\0';
+ *((char *) __mempcpy (val, resp.ypresp_all_u.val.val.valdat_val,
+ vallen)) = '\0';
xdr_free ((xdrproc_t) xdr_ypresp_all, (char *) &resp);
if ((*objp->foreach) (objp->status, key, keylen,
val, vallen, objp->data))
@@ -671,7 +700,7 @@ __xdr_ypresp_all (XDR *xdrs, struct ypresp_all_data *objp)
objp->status = resp.ypresp_all_u.val.stat;
xdr_free ((xdrproc_t) xdr_ypresp_all, (char *) &resp);
/* Sun says we don't need to make this call, but must return
- immediatly. Since Solaris makes this call, we will call
+ immediately. Since Solaris makes this call, we will call
the callback function, too. */
(*objp->foreach) (objp->status, NULL, 0, NULL, 0, objp->data);
return TRUE;
@@ -693,8 +722,8 @@ yp_all (const char *indomain, const char *inmap,
int clnt_sock;
int saved_errno = errno;
- if (indomain == NULL || indomain[0] == '\0' ||
- inmap == NULL || inmap == '\0')
+ if (indomain == NULL || indomain[0] == '\0'
+ || inmap == NULL || inmap[0] == '\0')
return YPERR_BADARGS;
try = 0;
@@ -732,9 +761,9 @@ yp_all (const char *indomain, const char *inmap,
(caddr_t) &req, (xdrproc_t) __xdr_ypresp_all,
(caddr_t) &data, RPCTIMEOUT);
- if (result != RPC_SUCCESS)
+ if (__builtin_expect (result != RPC_SUCCESS, 0))
{
- /* Print the error message only on the last try */
+ /* Print the error message only on the last try. */
if (try == MAXTRIES - 1)
clnt_perror (clnt, "yp_all: clnt_call");
res = YPERR_RPC;
@@ -758,6 +787,7 @@ yp_all (const char *indomain, const char *inmap,
}
int
+
yp_maplist (const char *indomain, struct ypmaplist **outmaplist)
{
struct ypresp_maplist resp;
@@ -768,67 +798,92 @@ yp_maplist (const char *indomain, struct ypmaplist **outmaplist)
memset (&resp, '\0', sizeof (resp));
- result = do_ypcall (indomain, YPPROC_MAPLIST, (xdrproc_t) xdr_domainname,
- (caddr_t) & indomain, (xdrproc_t) xdr_ypresp_maplist, (caddr_t) & resp);
-
- if (result != YPERR_SUCCESS)
- return result;
- if (resp.stat != YP_TRUE)
- return ypprot_err (resp.stat);
+ result = do_ypcall_tr (indomain, YPPROC_MAPLIST, (xdrproc_t) xdr_domainname,
+ (caddr_t) &indomain, (xdrproc_t) xdr_ypresp_maplist,
+ (caddr_t) &resp);
- *outmaplist = resp.maps;
- /* We give the list not free, this will be done by ypserv
- xdr_free((xdrproc_t)xdr_ypresp_maplist, (char *)&resp); */
+ if (__builtin_expect (result == YPERR_SUCCESS, 1))
+ {
+ *outmaplist = resp.maps;
+ /* We don't free the list, this will be done by ypserv
+ xdr_free((xdrproc_t)xdr_ypresp_maplist, (char *)&resp); */
+ }
- return YPERR_SUCCESS;
+ return result;
}
const char *
yperr_string (const int error)
{
+ const char *str;
switch (error)
{
case YPERR_SUCCESS:
- return _("Success");
+ str = N_("Success");
+ break;
case YPERR_BADARGS:
- return _("Request arguments bad");
+ str = N_("Request arguments bad");
+ break;
case YPERR_RPC:
- return _("RPC failure on NIS operation");
+ str = N_("RPC failure on NIS operation");
+ break;
case YPERR_DOMAIN:
- return _("Can't bind to server which serves this domain");
+ str = N_("Can't bind to server which serves this domain");
+ break;
case YPERR_MAP:
- return _("No such map in server's domain");
+ str = N_("No such map in server's domain");
+ break;
case YPERR_KEY:
- return _("No such key in map");
+ str = N_("No such key in map");
+ break;
case YPERR_YPERR:
- return _("Internal NIS error");
+ str = N_("Internal NIS error");
+ break;
case YPERR_RESRC:
- return _("Local resource allocation failure");
+ str = N_("Local resource allocation failure");
+ break;
case YPERR_NOMORE:
- return _("No more records in map database");
+ str = N_("No more records in map database");
+ break;
case YPERR_PMAP:
- return _("Can't communicate with portmapper");
+ str = N_("Can't communicate with portmapper");
+ break;
case YPERR_YPBIND:
- return _("Can't communicate with ypbind");
+ str = N_("Can't communicate with ypbind");
+ break;
case YPERR_YPSERV:
- return _("Can't communicate with ypserv");
+ str = N_("Can't communicate with ypserv");
+ break;
case YPERR_NODOM:
- return _("Local domain name not set");
+ str = N_("Local domain name not set");
+ break;
case YPERR_BADDB:
- return _("NIS map database is bad");
+ str = N_("NIS map database is bad");
+ break;
case YPERR_VERS:
- return _("NIS client/server version mismatch - can't supply service");
+ str = N_("NIS client/server version mismatch - can't supply service");
+ break;
case YPERR_ACCESS:
- return _("Permission denied");
+ str = N_("Permission denied");
+ break;
case YPERR_BUSY:
- return _("Database is busy");
+ str = N_("Database is busy");
+ break;
+ default:
+ str = N_("Unknown NIS error code");
+ break;
}
- return _("Unknown NIS error code");
+ return _(str);
}
static const int8_t yp_2_yperr[] =
{
#define YP2YPERR(yp, yperr) [YP_##yp - YP_VERS] = YPERR_##yperr
+ YP2YPERR (TRUE, SUCCESS),
+ YP2YPERR (NOMORE, NOMORE),
+ YP2YPERR (FALSE, YPERR),
+ YP2YPERR (NOMAP, MAP),
+ YP2YPERR (NODOM, DOMAIN),
YP2YPERR (NOKEY, KEY),
YP2YPERR (BADOP, YPERR),
YP2YPERR (BADDB, BADDB),
@@ -839,7 +894,7 @@ static const int8_t yp_2_yperr[] =
int
ypprot_err (const int code)
{
- if (code < YP_VERS || code > YP_NOKEY)
+ if (code < YP_VERS || code > YP_NOMORE)
return YPERR_YPERR;
return yp_2_yperr[code - YP_VERS];
}
@@ -848,19 +903,26 @@ libnsl_hidden_def (ypprot_err)
const char *
ypbinderr_string (const int error)
{
+ const char *str;
switch (error)
{
case 0:
- return _("Success");
+ str = N_("Success");
+ break;
case YPBIND_ERR_ERR:
- return _("Internal ypbind error");
+ str = N_("Internal ypbind error");
+ break;
case YPBIND_ERR_NOSERV:
- return _("Domain not bound");
+ str = N_("Domain not bound");
+ break;
case YPBIND_ERR_RESC:
- return _("System resource allocation failure");
+ str = N_("System resource allocation failure");
+ break;
default:
- return _("Unknown ypbind error");
+ str = N_("Unknown ypbind error");
+ break;
}
+ return _(str);
}
libnsl_hidden_def (ypbinderr_string)
@@ -893,16 +955,22 @@ yp_update (char *domain, char *map, unsigned ypop,
args.update_args.datum.yp_buf_len = datalen;
args.update_args.datum.yp_buf_val = data;
- if ((r = yp_master (domain, map, &master)) != 0)
+ if ((r = yp_master (domain, map, &master)) != YPERR_SUCCESS)
return r;
if (!host2netname (servername, master, domain))
{
fputs (_("yp_update: cannot convert host to netname\n"), stderr);
+ free (master);
return YPERR_YPERR;
}
- if ((clnt = clnt_create (master, YPU_PROG, YPU_VERS, "tcp")) == NULL)
+ clnt = clnt_create (master, YPU_PROG, YPU_VERS, "tcp");
+
+ /* We do not need the string anymore. */
+ free (master);
+
+ if (clnt == NULL)
{
clnt_pcreateerror ("yp_update: clnt_create");
return YPERR_RPC;
@@ -942,6 +1010,7 @@ again:
{
if (clnt->cl_auth->ah_cred.oa_flavor == AUTH_DES)
{
+ auth_destroy (clnt->cl_auth);
clnt->cl_auth = authunix_create_default ();
goto again;
}
diff --git a/nis/ypupdate_xdr.c b/nis/ypupdate_xdr.c
index 4789e47c3e..0f5469fa23 100644
--- a/nis/ypupdate_xdr.c
+++ b/nis/ypupdate_xdr.c
@@ -50,6 +50,7 @@ xdr_ypupdate_args (XDR *xdrs, ypupdate_args *objp)
return FALSE;
return xdr_yp_buf (xdrs, &objp->datum);
}
+libnsl_hidden_def (xdr_ypupdate_args)
bool_t
xdr_ypdelete_args (XDR *xdrs, ypdelete_args *objp)
@@ -58,3 +59,4 @@ xdr_ypdelete_args (XDR *xdrs, ypdelete_args *objp)
return FALSE;
return xdr_yp_buf (xdrs, &objp->key);
}
+libnsl_hidden_def (xdr_ypdelete_args)