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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/nss_nis
parent7d58530341304d403a6626d7f7a1913165fe2f32 (diff)
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2.5-18.1
Diffstat (limited to 'nis/nss_nis')
-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
13 files changed, 1038 insertions, 776 deletions
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;