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authorUlrich Drepper <drepper@redhat.com>1997-11-12 00:06:02 +0000
committerUlrich Drepper <drepper@redhat.com>1997-11-12 00:06:02 +0000
commitcc3fa755128c70f8afc2d604936f33e4d7d652d8 (patch)
tree0c68c1298140e1524078e8bfdf5154fb6129b680 /nis/nss_compat
parent86187531d302de284b67ac162cf76c60c86bd7da (diff)
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1997-11-11 21:30 Ulrich Drepper <drepper@cygnus.com> * include/sys/stat.h: Define stat, fstat, lstat and *64 variants as macros so the the library compiles correctly even without optimization. * io/fstat.c: Undef fstat. * io/fstat64.c: Undef fstat64 * io/lstat.c: Undef lstat. * io/lstat64.c: Undef lstat64 * io/stat.c: Undef stat. * io/stat64.c: Undef stat64 * io/fts.c: Include <include/sys/stat.h> to get macro definitions. * io/ftw.c: Likewise. * io/getdirname.c: Likewise. * Makefile (install): Run test-installation.pl if possible. * db2/Makefile: Update from db-2.3.12. * db2/db.h: Likewise. * db2/db_int.h: Likewise. * db2/btree/bt_cursor.c: Likewise. * db2/btree/bt_delete.c: Likewise. * db2/btree/bt_open.c: Likewise. * db2/btree/bt_put.c: Likewise. * db2/btree/bt_rec.c: Likewise. * db2/btree/bt_recno.c: Likewise. * db2/btree/bt_search.c: Likewise. * db2/btree/bt_split.c: Likewise. * db2/btree/bt_stat.c: Likewise. * db2/btree/btree.src: Likewise. * db2/btree/btree_auto.c: Likewise. * db2/btree/bt_cursor.c: Likewise. * db2/btree/bt_delete.c: Likewise. * db2/btree/bt_open.c: Likewise. * db2/btree/bt_put.c: Likewise. * db2/btree/bt_rec.c: Likewise. * db2/btree/bt_recno.c: Likewise. * db2/btree/bt_search.c: Likewise. * db2/btree/bt_split.c: Likewise. * db2/btree/bt_stat.c: Likewise. * db2/btree/btree.src: Likewise. * db2/btree/btree_auto.c: Likewise. * db2/common/db_appinit.c: Likewise. * db2/common/db_apprec.c: Likewise. * db2/common/db_byteorder.c: Likewise. * db2/common/db_region.c: Likewise. * db2/db/db.c: Likewise * db2/db/db.src: Likewise * db2/db/db_auto.c: Likewise * db2/db/db_dispatch.c: Likewise * db2/db/db_dup.c: Likewise * db2/db/db_overflow.c: Likewise * db2/db/db_pr.c: Likewise * db2/db/db_rec.c: Likewise * db2/db/db_ret.c: Likewise * db2/db/db_thread.c: Likewise * db2/db185/db185.c: Likewise. * db2/hash/hash.c: Likewise. * db2/hash/hash.src: Likewise. * db2/hash/hash_auto.c: Likewise. * db2/hash/hash_dup.c: Likewise. * db2/hash/hash_page.c: Likewise. * db2/hash/hash_rec.c: Likewise. * db2/include/btree_auto.h: Likewise. * db2/include/btree_ext.h: Likewise. * db2/include/clib_ext.h: Likewise. * db2/include/common_ext.h: Likewise. * db2/include/db.h.src: Likewise. * db2/include/db_am.h: Likewise. * db2/include/db_auto.h: Likewise. * db2/include/db_cxx.h: Likewise. * db2/include/db_ext.h: Likewise. * db2/include/db_int.h.src: Likewise. * db2/include/hash.h: Likewise. * db2/include/hash_auto.h: Likewise. * db2/include/hash_ext.h: Likewise. * db2/include/lock.h: Likewise. * db2/include/lock_ext.h: Likewise. * db2/include/log.h: Likewise. * db2/include/log_ext.h: Likewise. * db2/include/mp.h: Likewise. * db2/include/mp_ext.h: Likewise. * db2/include/mutex_ext.h: Likewise. * db2/include/os_ext.h: Likewise. * db2/include/os_func.h: Likewise. * db2/include/txn.h: Likewise. * db2/include/txn_ext.h: Likewise. * db2/lock/lock.c: Likewise. * db2/lock/lock_deadlock.c: Likewise. * db2/log/log.c: Likewise. * db2/log/log_archive.c: Likewise. * db2/log/log_auto.c: Likewise. * db2/log/log_findckp.c: Likewise. * db2/log/log_get.c: Likewise. * db2/log/log_put.c: Likewise. * db2/log/log_rec.c: Likewise. * db2/log/log_register.c: Likewise. * db2/mp/mp_bh.c: Likewise. * db2/mp/mp_fget.c: Likewise. * db2/mp/mp_fopen.c: Likewise. * db2/mp/mp_fput.c: Likewise. * db2/mp/mp_fset.c: Likewise. * db2/mp/mp_open.c: Likewise. * db2/mp/mp_pr.c: Likewise. * db2/mp/mp_region.c: Likewise. * db2/mp/mp_sync.c: Likewise. * db2/mutex/mutex.c: Likewise. * db2/os/os_abs.c: Likewise. * db2/os/os_dir.c: Likewise. * db2/os/os_fid.c: Likewise. * db2/os/os_fsync.c: Likewise. * db2/os/os_func.c: Likewise. * db2/os/os_map.c: Likewise. * db2/os/os_oflags.c: Likewise. * db2/os/os_open.c: Likewise. * db2/os/os_rpath.c: Likewise. * db2/os/os_rw.c: Likewise. * db2/os/os_seek.c: Likewise. * db2/os/os_sleep.c: Likewise. * db2/os/os_stat.c: Likewise. * db2/os/os_unlink.c: Likewise. * db2/progs/db_deadlock/db_deadlock.c: Likewise. * db2/progs/db_dump/db_dump.c: Likewise. * db2/progs/db_load/db_load.c: Likewise. * db2/progs/db_recover/db_recover.c: Likewise. * db2/progs/db_stat/db_stat.c: Likewise. * db2/txn/txn.c: Likewise. * db2/txn/txn_auto.c: Likewise. * db2/txn/txn_rec.c: Likewise. * db2/os/db_os_abs.c: Removed. * db2/os/db_os_dir.c: Removed. * db2/os/db_os_fid.c: Removed. * db2/os/db_os_lseek.c: Removed. * db2/os/db_os_mmap.c: Removed. * db2/os/db_os_open.c: Removed. * db2/os/db_os_rw.c: Removed. * db2/os/db_os_sleep.c: Removed. * db2/os/db_os_stat.c: Removed. * db2/os/db_os_unlink.c: Removed. * libio/stdio.h (fopen): Add __restrict to parameters. * manual/process.texi (system): Describe behaviour for NULL argument. * stdio-common/printf-parse.h: Parse hh modifier. * stdio-common/vfprintf.c: Handle hh modifier. * stdio-common/vfscanf.c: Likewise. * manual/stdio.texi: Describe hh modifier for scanf/printf. * math/complex.h: Don't define _Imaginary_I, but instead _Complex_I. gcc does no yet know the `imaginary' keyword. * math/test-math.c: Add little test for know gcc bug. * math/tgmath.h: Make complex versions of log10() only available if __USE_GNU. * stdlib/test-canon.c: Fix typo. * sysdeps/generic/setenv.c: Avoid compilation warnings. Reported by Jim Meyering. * sysdeps/generic/bits/errno.h: EILSEQ is an ISO C error number. * sysdeps/mach/hurd/bits/errno.h: Likewise. * sysdeps/standalone/bits/errno.h: Likewise. * sysdeps/unix/sysv/linux/bits/errno.h: Likewise. * sysdeps/i386/i586/memcpy.S: New file. * sysdeps/i386/i586/mempcpy.S: New file. * sysdeps/i386/i586/memset.S: Fix typo. * sysdeps/posix/getcwd.c: Define HAVE_MEMPCPY for _LIBC. Add casts. * sysdeps/posix/system.c: Add comment to explain code. * sysdeps/wordsize-32/inttypes.h: Include <stddef.h> for wchar_t. Define PTRDIFF_{MIN,MAX}, SIG_ATOMIC_{MIN,MAX}, SIZE_MAX, WCHAR_{MIN,MAX}, WINT_{MIN,MAX}. Define wcstoimax, wcstoumax. * sysdeps/wordsize-64/inttypes.h: Likewise. * wcsmbs/wchar.h: Define WCHAR_{MIN,MAX} if not already defined. Declare __wcsto{l,ul,ll,ull}_internal only if not already done. * time/Makefile (routines): Add strfxtime. * time/strftime.c: Implement %F and %f format. * time/strfxtime.c: New file. * time/time.h: Define new types and symbols from ISO C 9X. * time/mktime.c: Little comment correction. 1997-11-10 Andreas Jaeger <aj@arthur.rhein-neckar.de> * sysdeps/libm-ieee754/s_sincosl.c: Fix typo. * sysdeps/libm-ieee754/s_tanl.c: Fix typo. * sysdeps/libm-ieee754/s_floorl.c: Correct typos. * sysdeps/libm-ieee754/e_remainderl.c: Replace EXTRACT_LDOUBLE_WORDS by GET_LDOUBLE_WORDS. * sysdeps/libm-ieee754/e_atan2l.c: Replace EXTRACT_LDOUBLE_WORDS by GET_LDOUBLE_WORDS. * sysdeps/libm-ieee754/s_scalbnl.c: Replace ";" by "," for correct variable declaration. * sysdeps/libm-ieee754/s_scalblnl.c: Likewise. * sysdeps/libm-ieee754/s_lrint.c (__lrint): Correct function. * math/libm-test.c (sqrt_test): Add test for sqrt (0.25). (asin_test): Add more test. 1997-11-10 23:34 Ulrich Drepper <drepper@cygnus.com> * sysdeps/libm-ieee754/e_asin.c: Add braces to make code clearer and to not confuse the poor compiler. * sysdeps/libm-ieee754/e_asinf.c: Likewise. Reported by vertex@cagent.com. 1997-11-09 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> * elf/dl-lookup.c (do_lookup): Don't accept the base version if we require a specific one. * libio/oldfreopen.c: Bind old symbols to version GLIBC_2.0. * libio/oldiofopen.c: Likewise. * libio/oldstdfiles.c: Likewise. * libc.map: Export them. 1997-11-10 07:40 H.J. Lu <hjl@gnu.ai.mit.edu> * stdlib/exit.c (exit): Handle recursive calls to exit (). 1997-11-09 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> * sysdeps/m68k/fpu/s_llrint.c: Fixed to take double argument instead of long double. * sysdeps/m68k/fpu/s_llrintf.c: New file. * sysdeps/m68k/fpu/s_llrintl.c: New file. * sysdeps/libm-ieee754/s_llrint.c: Make compilable and fix overflow condition. * sysdeps/libm-ieee754/s_llrintf.c: Fix overflow condition. * sysdeps/libm-ieee754/s_llrintl.c: Likewise. * sysdeps/libm-ieee754/s_llround.c: Likewise. * sysdeps/libm-ieee754/s_llroundf.c: Likewise. * sysdeps/libm-ieee754/s_llroundl.c: Likewise. * sysdeps/libm-ieee754/s_lrint.c: Likewise. * sysdeps/libm-ieee754/s_lrintf.c: Likewise. * sysdeps/libm-ieee754/s_lrintl.c: Likewise. * sysdeps/libm-ieee754/s_lround.c: Likewise. * sysdeps/libm-ieee754/s_lroundf.c: Likewise. * sysdeps/libm-ieee754/s_lroundl.c: Likewise. * math/libm-test.c: Test all three variants of lrint and llrint. Fix typos in lround and llround tests. Add tests for boundary cases for lrint and llround. 1997-11-08 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> * manual/arith.texi: Misc doc fixes. * manual/ctype.texi: Likewise. * manual/pattern.texi: Likewise. * manual/terminal.texi: Likewise. 1997-11-08 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> * sysdeps/unix/sysv/linux/xstatconv.c: Use struct assignment instead of memcpy to let the compiler use whatever it regards as optimal. * sysdeps/unix/sysv/linux/alpha/xstatconv.c: Likewise. 1997-11-08 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> * sysdeps/unix/sysv/linux/Makefile (sysdep_headers) [$(subdir)=misc]: Add sys/prctl.h. * sysdeps/unix/sysv/linux/Dist: Distribute it. 1997-11-08 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> * io/ftwtest-sh: Don't use the unknown which command, instead try pwd as /bin/pwd and /usr/bin/pwd. 1997-11-08 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> * manual/maint.texi (Tools for Installation): Don't recommend broken version 3.76.1 of make. (Porting): Fix wording. 1997-11-06 06:13 H.J. Lu <hjl@gnu.ai.mit.edu> * config.make.in (build-pic-default): New, defined with pic_default. * configure.in (pic_default): New, set to yes if PIC is default. * Makeconfig (CPPFLAGS-.o, CPPFLAGS-.op, CPPFLAGS-.og, CPPFLAGS-.ob): Add -DPIC if $(build-pic-default) is yes. 1997-11-09 18:15 Ulrich Drepper <drepper@cygnus.com> * Makerules (libc.so): Fix typo. * csu/Makefile (CFLAGS-initfini.s): Correctly fix moving function definition. Patch by Zack Weinberg <zack@rabi.phys.columbia.edu>. * stdlib/strtod.c: Handle numbers like 0.0e10000 correctly which produce ±0.0. Reported by Joe Keane <jgk@jgk.org>. * sysdeps/libm-ieee754/s_ceill.c: Fix typos. * sysdeps/libm-ieee754/s_llrint.c: Correct code, it never worked. 1997-11-06 07:00 H.J. Lu <hjl@gnu.ai.mit.edu> * sysdeps/unix/sysv/i386/i686/time.S: Removed. 1997-11-08 14:07 Thorsten Kukuk <kukuk@vt.uni-paderborn.de> * nis/libnsl.map: Add __do_niscall2 for nis_cachemgr. * nis/nis_call.c: Set UDP resend timeout correct. * nis/nss_compat/compat-grp.c: Rewritten to make it faster. * nis/nss_compat/compat-pwd.c: Likewise. * nis/nss_compat/compat-spwd.c: Likewise. * nis/ypclnt.c: Fix UDP resend timeout, fix yp_bind/do_ypcall interaction. * inet/protocols/routed.h: Include sys/socket.h. * inet/protocols/talkd.h: Likewise. * inet/protocols/timed.h: Include rpc/types.h. * sunrpc/rpc/pmap_clnt.h: Include rpc/clnt.h. 1997-11-06 01:39 Ulrich Drepper <drepper@cygnus.com> * Makerules (libc.so): Add missing closing brace. 1997-11-05 Brendan Kehoe <brendan@lisa.cygnus.com> * libio.h (__P): Name its arg `p' instead of `params'. This was added solely to work around problems with the definition of __P in the Solaris math.h header.
Diffstat (limited to 'nis/nss_compat')
-rw-r--r--nis/nss_compat/compat-grp.c314
-rw-r--r--nis/nss_compat/compat-pwd.c526
-rw-r--r--nis/nss_compat/compat-spwd.c280
3 files changed, 987 insertions, 133 deletions
diff --git a/nis/nss_compat/compat-grp.c b/nis/nss_compat/compat-grp.c
index c0ddbdffdf..a460d8a8ef 100644
--- a/nis/nss_compat/compat-grp.c
+++ b/nis/nss_compat/compat-grp.c
@@ -29,6 +29,10 @@
#include <rpcsvc/nis.h>
#include <nsswitch.h>
+/* Comment out the following line for the production version. */
+/* #define NDEBUG 1 */
+#include <assert.h>
+
#include "nss-nisplus.h"
#include "nisplus-parser.h"
@@ -41,7 +45,7 @@ static size_t grptablelen = 0;
#define ENTNAME grent
#define STRUCTURE group
#define EXTERN_PARSER
-#include "../../nss/nss_files/files-parse.c"
+#include <nss/nss_files/files-parse.c>
/* Structure for remembering -group members ... */
#define BLACKLIST_INITIAL_SIZE 512
@@ -85,15 +89,22 @@ _nss_first_init (void)
if (grptable == NULL)
{
- char buf [20 + strlen (nis_local_directory ())];
- char *p;
+ static const char key[] = "group.org_dir.";
+ const char *local_dir = nis_local_directory ();
+ size_t len_local_dir = strlen (local_dir);
- p = stpcpy (buf, "group.org_dir.");
- p = stpcpy (p, nis_local_directory ());
- grptable = strdup (buf);
+ grptable = malloc (sizeof (key) + len_local_dir);
if (grptable == NULL)
return NSS_STATUS_TRYAGAIN;
- grptablelen = strlen (grptable);
+
+ grptablelen = ((char *) mempcpy (mempcpy (grptable,
+ key, sizeof (key) - 1),
+ local_dir, len_local_dir + 1)
+ - grptable) - 1;
+
+ /* *Maybe* (I'm no NIS expert) we have to duplicate the `local_dir'
+ value since it might change during our work. So add a test here. */
+ assert (grptablelen == sizeof (key) + len_local_dir);
}
return NSS_STATUS_SUCCESS;
@@ -370,8 +381,8 @@ getgrent_next_nisplus (struct group *result, ent_t *ent, char *buffer,
/* This function handle the +group entrys in /etc/group */
static enum nss_status
-getgrent_next_file_plusgroup (struct group *result, char *buffer,
- size_t buflen)
+getgrnam_plusgroup (const char *name, struct group *result, char *buffer,
+ size_t buflen)
{
struct parser_data *data = (void *) buffer;
int parse_res;
@@ -379,9 +390,9 @@ getgrent_next_file_plusgroup (struct group *result, char *buffer,
if (use_nisplus) /* Do the NIS+ query here */
{
nis_result *res;
- char buf[strlen (result->gr_name) + 24 + grptablelen];
+ char buf[strlen (name) + 24 + grptablelen];
- sprintf(buf, "[name=%s],%s", &result->gr_name[1], grptable);
+ sprintf(buf, "[name=%s],%s", name, grptable);
res = nis_list(buf, FOLLOW_PATH | FOLLOW_LINKS, NULL, NULL);
if (niserr2nss (res->status) != NSS_STATUS_SUCCESS)
{
@@ -407,9 +418,8 @@ getgrent_next_file_plusgroup (struct group *result, char *buffer,
if (yp_get_default_domain (&domain) != YPERR_SUCCESS)
return NSS_STATUS_TRYAGAIN;
- if (yp_match (domain, "group.byname", &result->gr_name[1],
- strlen (result->gr_name) - 1, &outval, &outvallen)
- != YPERR_SUCCESS)
+ if (yp_match (domain, "group.byname", name, strlen (name),
+ &outval, &outvallen) != YPERR_SUCCESS)
return NSS_STATUS_TRYAGAIN;
p = strncpy (buffer, outval,
buflen < (size_t) outvallen ? buflen : (size_t) outvallen);
@@ -430,7 +440,6 @@ getgrent_next_file_plusgroup (struct group *result, char *buffer,
return NSS_STATUS_RETURN;
}
-
static enum nss_status
getgrent_next_file (struct group *result, ent_t *ent,
char *buffer, size_t buflen)
@@ -495,7 +504,11 @@ getgrent_next_file (struct group *result, ent_t *ent,
{
enum nss_status status;
- status = getgrent_next_file_plusgroup (result, buffer, buflen);
+ /* Store the group in the blacklist for the "+" at the end of
+ /etc/group */
+ blacklist_store_name (&result->gr_name[1], ent);
+ status = getgrnam_plusgroup (&result->gr_name[1], result, buffer,
+ buflen);
if (status == NSS_STATUS_SUCCESS) /* We found the entry. */
break;
else
@@ -556,6 +569,104 @@ _nss_compat_getgrent_r (struct group *grp, char *buffer, size_t buflen)
return status;
}
+/* Searches in /etc/group and the NIS/NIS+ map for a special group */
+static enum nss_status
+internal_getgrnam_r (const char *name, struct group *result, ent_t *ent,
+ char *buffer, size_t buflen)
+{
+ struct parser_data *data = (void *) buffer;
+ while (1)
+ {
+ fpos_t pos;
+ int parse_res = 0;
+ char *p;
+
+ do
+ {
+ fgetpos (ent->stream, &pos);
+ p = fgets (buffer, buflen, ent->stream);
+ if (p == NULL)
+ {
+ if (feof (ent->stream))
+ return NSS_STATUS_NOTFOUND;
+ else
+ {
+ __set_errno (ERANGE);
+ return NSS_STATUS_TRYAGAIN;
+ }
+ }
+
+ /* Terminate the line for any case. */
+ buffer[buflen - 1] = '\0';
+
+ /* Skip leading blanks. */
+ while (isspace (*p))
+ ++p;
+ }
+ while (*p == '\0' || *p == '#' || /* Ignore empty and comment lines. */
+ /* Parse the line. If it is invalid, loop to
+ get the next line of the file to parse. */
+ !(parse_res = _nss_files_parse_grent (p, result, data, buflen)));
+
+ if (parse_res == -1)
+ {
+ /* The parser ran out of space. */
+ fsetpos (ent->stream, &pos);
+ __set_errno (ERANGE);
+ return NSS_STATUS_TRYAGAIN;
+ }
+
+ /* This is a real entry. */
+ if (result->gr_name[0] != '+' && result->gr_name[0] != '-')
+ {
+ if (strcmp (result->gr_name, name) == 0)
+ return NSS_STATUS_SUCCESS;
+ else
+ continue;
+ }
+
+ /* -group */
+ if (result->gr_name[0] == '-' && result->gr_name[1] != '\0'
+ && result->gr_name[1] != '@')
+ {
+ if (strcmp (&result->gr_name[1], name) == 0)
+ return NSS_STATUS_NOTFOUND;
+ else
+ continue;
+ }
+
+ /* +group */
+ if (result->gr_name[0] == '+' && result->gr_name[1] != '\0'
+ && result->gr_name[1] != '@')
+ {
+ if (strcmp (name, &result->gr_name[1]) == 0)
+ {
+ enum nss_status status;
+
+ status = getgrnam_plusgroup (name, result, buffer, buflen);
+ if (status == NSS_STATUS_RETURN)
+ /* We couldn't parse the entry */
+ continue;
+ else
+ return status;
+ }
+ }
+ /* +:... */
+ if (result->gr_name[0] == '+' && result->gr_name[1] == '\0')
+ {
+ enum nss_status status;
+
+ status = getgrnam_plusgroup (name, result, buffer, buflen);
+ if (status == NSS_STATUS_RETURN)
+ /* We couldn't parse the entry */
+ continue;
+ else
+ return status;
+ }
+ }
+
+ return NSS_STATUS_SUCCESS;
+}
enum nss_status
_nss_compat_getgrnam_r (const char *name, struct group *grp,
@@ -576,15 +687,172 @@ _nss_compat_getgrnam_r (const char *name, struct group *grp,
if (status != NSS_STATUS_SUCCESS)
return status;
- while ((status = internal_getgrent_r (grp, &ent, buffer, buflen))
- == NSS_STATUS_SUCCESS)
- if (strcmp (grp->gr_name, name) == 0)
- break;
+ status = internal_getgrnam_r (name, grp, &ent, buffer, buflen);
internal_endgrent (&ent);
+
return status;
}
+/* This function handle the + entry in /etc/group */
+static enum nss_status
+getgrgid_plusgroup (gid_t gid, struct group *result, char *buffer,
+ size_t buflen)
+{
+ struct parser_data *data = (void *) buffer;
+ int parse_res;
+
+ if (use_nisplus) /* Do the NIS+ query here */
+ {
+ nis_result *res;
+ char buf[1024 + grptablelen];
+
+ sprintf(buf, "[gid=%d],%s", gid, grptable);
+ res = nis_list(buf, FOLLOW_PATH | FOLLOW_LINKS, NULL, NULL);
+ if (niserr2nss (res->status) != NSS_STATUS_SUCCESS)
+ {
+ enum nss_status status = niserr2nss (res->status);
+
+ nis_freeresult (res);
+ return status;
+ }
+ if ((parse_res = _nss_nisplus_parse_grent (res, 0, result, buffer,
+ buflen)) == -1)
+ {
+ __set_errno (ERANGE);
+ nis_freeresult (res);
+ return NSS_STATUS_TRYAGAIN;
+ }
+ nis_freeresult (res);
+ }
+ else /* Use NIS */
+ {
+ char buf[1024];
+ char *domain, *outval, *p;
+ int outvallen;
+
+ if (yp_get_default_domain (&domain) != YPERR_SUCCESS)
+ return NSS_STATUS_TRYAGAIN;
+
+ snprintf (buf, sizeof (buf), "%d", gid);
+
+ if (yp_match (domain, "group.bygid", buf, strlen (buf),
+ &outval, &outvallen) != YPERR_SUCCESS)
+ return NSS_STATUS_TRYAGAIN;
+ p = strncpy (buffer, outval,
+ buflen < (size_t) outvallen ? buflen : (size_t) outvallen);
+ free (outval);
+ while (isspace (*p))
+ p++;
+ if ((parse_res = _nss_files_parse_grent (p, result, data, buflen)) == -1)
+ {
+ __set_errno (ERANGE);
+ return NSS_STATUS_TRYAGAIN;
+ }
+ }
+
+ if (parse_res)
+ /* We found the entry. */
+ return NSS_STATUS_SUCCESS;
+ else
+ return NSS_STATUS_RETURN;
+}
+
+/* Searches in /etc/group and the NIS/NIS+ map for a special group id */
+static enum nss_status
+internal_getgrgid_r (gid_t gid, struct group *result, ent_t *ent,
+ char *buffer, size_t buflen)
+{
+ struct parser_data *data = (void *) buffer;
+ while (1)
+ {
+ fpos_t pos;
+ int parse_res = 0;
+ char *p;
+
+ do
+ {
+ fgetpos (ent->stream, &pos);
+ p = fgets (buffer, buflen, ent->stream);
+ if (p == NULL)
+ {
+ if (feof (ent->stream))
+ return NSS_STATUS_NOTFOUND;
+ else
+ {
+ __set_errno (ERANGE);
+ return NSS_STATUS_TRYAGAIN;
+ }
+ }
+
+ /* Terminate the line for any case. */
+ buffer[buflen - 1] = '\0';
+
+ /* Skip leading blanks. */
+ while (isspace (*p))
+ ++p;
+ }
+ while (*p == '\0' || *p == '#' || /* Ignore empty and comment lines. */
+ /* Parse the line. If it is invalid, loop to
+ get the next line of the file to parse. */
+ !(parse_res = _nss_files_parse_grent (p, result, data, buflen)));
+
+ if (parse_res == -1)
+ {
+ /* The parser ran out of space. */
+ fsetpos (ent->stream, &pos);
+ __set_errno (ERANGE);
+ return NSS_STATUS_TRYAGAIN;
+ }
+
+ /* This is a real entry. */
+ if (result->gr_name[0] != '+' && result->gr_name[0] != '-')
+ {
+ if (result->gr_gid == gid)
+ return NSS_STATUS_SUCCESS;
+ else
+ continue;
+ }
+
+ /* -group */
+ if (result->gr_name[0] == '-' && result->gr_name[1] != '\0'
+ && result->gr_name[1] != '@')
+ {
+ blacklist_store_name (&result->gr_name[1], ent);
+ continue;
+ }
+
+ /* +group */
+ if (result->gr_name[0] == '+' && result->gr_name[1] != '\0'
+ && result->gr_name[1] != '@')
+ {
+ 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);
+ status = getgrnam_plusgroup (&result->gr_name[1], result, buffer,
+ buflen);
+ if (status == NSS_STATUS_SUCCESS && result->gr_gid == gid)
+ break;
+ else
+ continue;
+ }
+ /* +:... */
+ if (result->gr_name[0] == '+' && result->gr_name[1] == '\0')
+ {
+ enum nss_status status;
+
+ status = getgrgid_plusgroup (gid, result, buffer, buflen);
+ if (status == NSS_STATUS_RETURN) /* We couldn't parse the entry */
+ return NSS_STATUS_NOTFOUND;
+ else
+ return status;
+ }
+ }
+
+ return NSS_STATUS_SUCCESS;
+}
enum nss_status
_nss_compat_getgrgid_r (gid_t gid, struct group *grp,
@@ -602,12 +870,10 @@ _nss_compat_getgrgid_r (gid_t gid, struct group *grp,
if (status != NSS_STATUS_SUCCESS)
return status;
- while ((status = internal_getgrent_r (grp, &ent, buffer, buflen))
- == NSS_STATUS_SUCCESS)
- if (grp->gr_gid == gid && grp->gr_name[0] != '+' && grp->gr_name[0] != '-')
- break;
+ status = internal_getgrgid_r (gid, grp, &ent, buffer, buflen);
internal_endgrent (&ent);
+
return status;
}
diff --git a/nis/nss_compat/compat-pwd.c b/nis/nss_compat/compat-pwd.c
index 681258d2e6..0216522d36 100644
--- a/nis/nss_compat/compat-pwd.c
+++ b/nis/nss_compat/compat-pwd.c
@@ -30,6 +30,10 @@
#include <rpcsvc/nis.h>
#include <nsswitch.h>
+/* Comment out the following line for the production version. */
+/* #define NDEBUG 1 */
+#include <assert.h>
+
#include "netgroup.h"
#include "nss-nisplus.h"
#include "nisplus-parser.h"
@@ -43,7 +47,7 @@ static size_t pwdtablelen = 0;
#define ENTNAME pwent
#define STRUCTURE passwd
#define EXTERN_PARSER
-#include "../../nss/nss_files/files-parse.c"
+#include <nss/nss_files/files-parse.c>
/* Structure for remembering -@netgroup and -user members ... */
#define BLACKLIST_INITIAL_SIZE 512
@@ -211,15 +215,22 @@ internal_setpwent (ent_t *ent)
if (pwdtable == NULL)
{
- char buf [20 + strlen (nis_local_directory ())];
- char *p;
+ static const char key[] = "passwd.org_dir.";
+ const char *local_dir = nis_local_directory ();
+ size_t len_local_dir = strlen (local_dir);
- p = stpcpy (buf, "passwd.org_dir.");
- p = stpcpy (p, nis_local_directory ());
- pwdtable = strdup (buf);
+ pwdtable = malloc (sizeof (key) + len_local_dir);
if (pwdtable == NULL)
- return NSS_STATUS_TRYAGAIN;
- pwdtablelen = strlen (pwdtable);
+ return NSS_STATUS_TRYAGAIN;
+
+ pwdtablelen = ((char *) mempcpy (mempcpy (pwdtable,
+ key, sizeof (key) - 1),
+ local_dir, len_local_dir + 1)
+ - pwdtable) - 1;
+
+ /* *Maybe* (I'm no NIS expert) we have to duplicate the `local_dir'
+ value since it might change during our work. So add a test here. */
+ assert (pwdtablelen == sizeof (key) + len_local_dir);
}
ent->blacklist.current = 0;
@@ -334,8 +345,8 @@ _nss_compat_endpwent (void)
}
static enum nss_status
-getpwent_next_nis_netgr (struct passwd *result, ent_t *ent, char *group,
- char *buffer, size_t buflen)
+getpwent_next_nis_netgr (const char *name, struct passwd *result, ent_t *ent,
+ char *group, char *buffer, size_t buflen)
{
struct parser_data *data = (void *) buffer;
char *ypdomain, *host, *user, *domain, *outval, *p, *p2;
@@ -379,6 +390,11 @@ getpwent_next_nis_netgr (struct passwd *result, ent_t *ent, char *group,
if (domain != NULL && strcmp (ypdomain, domain) != 0)
continue;
+ /* If name != NULL, we are called from getpwnam */
+ if (name != NULL)
+ if (strcmp (user, name) != 0)
+ continue;
+
if (yp_match (ypdomain, "passwd.byname", user,
strlen (user), &outval, &outvallen)
!= YPERR_SUCCESS)
@@ -404,6 +420,9 @@ getpwent_next_nis_netgr (struct passwd *result, ent_t *ent, char *group,
if (parse_res)
{
+ /* Store the User in the blacklist for the "+" at the end of
+ /etc/passwd */
+ blacklist_store_name (result->pw_name, ent);
copy_pwd_changes (result, &ent->pwd, p2, p2len);
break;
}
@@ -413,8 +432,9 @@ getpwent_next_nis_netgr (struct passwd *result, ent_t *ent, char *group,
}
static enum nss_status
-getpwent_next_nisplus_netgr (struct passwd *result, ent_t *ent, char *group,
- char *buffer, size_t buflen)
+getpwent_next_nisplus_netgr (const char *name, struct passwd *result,
+ ent_t *ent, char *group, char *buffer,
+ size_t buflen)
{
char *ypdomain, *host, *user, *domain, *p2;
int status, parse_res;
@@ -459,6 +479,11 @@ getpwent_next_nisplus_netgr (struct passwd *result, ent_t *ent, char *group,
if (domain != NULL && strcmp (ypdomain, domain) != 0)
continue;
+ /* If name != NULL, we are called from getpwnam */
+ if (name != NULL)
+ if (strcmp (user, name) != 0)
+ continue;
+
p2len = pwd_need_buflen (&ent->pwd);
if (p2len > buflen)
{
@@ -488,6 +513,9 @@ getpwent_next_nisplus_netgr (struct passwd *result, ent_t *ent, char *group,
if (parse_res)
{
+ /* Store the User in the blacklist for the "+" at the end of
+ /etc/passwd */
+ blacklist_store_name (result->pw_name, ent);
copy_pwd_changes (result, &ent->pwd, p2, p2len);
break;
}
@@ -497,16 +525,6 @@ getpwent_next_nisplus_netgr (struct passwd *result, ent_t *ent, char *group,
}
static enum nss_status
-getpwent_next_netgr (struct passwd *result, ent_t *ent, char *group,
- char *buffer, size_t buflen)
-{
- if (use_nisplus)
- return getpwent_next_nisplus_netgr (result, ent, group, buffer, buflen);
- else
- return getpwent_next_nis_netgr (result, ent, group, buffer, buflen);
-}
-
-static enum nss_status
getpwent_next_nisplus (struct passwd *result, ent_t *ent, char *buffer,
size_t buflen)
{
@@ -683,8 +701,8 @@ getpwent_next_nis (struct passwd *result, ent_t *ent, char *buffer,
/* This function handle the +user entrys in /etc/passwd */
static enum nss_status
-getpwent_next_file_plususer (struct passwd *result, char *buffer,
- size_t buflen)
+getpwnam_plususer (const char *name, struct passwd *result, char *buffer,
+ size_t buflen)
{
struct parser_data *data = (void *) buffer;
struct passwd pwd;
@@ -708,9 +726,9 @@ getpwent_next_file_plususer (struct passwd *result, char *buffer,
if (use_nisplus) /* Do the NIS+ query here */
{
nis_result *res;
- char buf[strlen (result->pw_name) + 24 + pwdtablelen];
+ char buf[strlen (name) + 24 + pwdtablelen];
- sprintf(buf, "[name=%s],%s", &result->pw_name[1], pwdtable);
+ sprintf(buf, "[name=%s],%s", name, pwdtable);
res = nis_list(buf, FOLLOW_PATH | FOLLOW_LINKS, NULL, NULL);
if (niserr2nss (res->status) != NSS_STATUS_SUCCESS)
{
@@ -730,23 +748,24 @@ getpwent_next_file_plususer (struct passwd *result, char *buffer,
}
else /* Use NIS */
{
- char *domain;
- char *outval;
+ char *domain, *outval, *ptr;
int outvallen;
if (yp_get_default_domain (&domain) != YPERR_SUCCESS)
return NSS_STATUS_TRYAGAIN;
- if (yp_match (domain, "passwd.byname", &result->pw_name[1],
- strlen (result->pw_name) - 1, &outval, &outvallen)
+ if (yp_match (domain, "passwd.byname", name, strlen (name),
+ &outval, &outvallen)
!= YPERR_SUCCESS)
return NSS_STATUS_TRYAGAIN;
- p = strncpy (buffer, outval,
- buflen < (size_t) outvallen ? buflen : (size_t) outvallen);
+ ptr = strncpy (buffer, outval, buflen < (size_t) outvallen ?
+ buflen : (size_t) outvallen);
+ buffer[buflen < (size_t) outvallen ? buflen : (size_t) outvallen] = '\0';
free (outval);
- while (isspace (*p))
- p++;
- if ((parse_res = _nss_files_parse_pwent (p, result, data, buflen)) == -1)
+ while (isspace (*ptr))
+ ptr++;
+ if ((parse_res = _nss_files_parse_pwent (ptr, result, data, buflen))
+ == -1)
{
__set_errno (ERANGE);
return NSS_STATUS_TRYAGAIN;
@@ -841,8 +860,14 @@ getpwent_next_file (struct passwd *result, ent_t *ent,
ent->first = TRUE;
copy_pwd_changes (&ent->pwd, result, NULL, 0);
- status = getpwent_next_netgr (result, ent, &result->pw_name[2],
- buffer, buflen);
+ if (use_nisplus)
+ status = getpwent_next_nisplus_netgr (NULL, result, ent,
+ &result->pw_name[2],
+ buffer, buflen);
+ else
+ status = getpwent_next_nis_netgr (NULL, result, ent,
+ &result->pw_name[2],
+ buffer, buflen);
if (status == NSS_STATUS_RETURN)
continue;
else
@@ -863,7 +888,11 @@ getpwent_next_file (struct passwd *result, ent_t *ent,
{
enum nss_status status;
- status = getpwent_next_file_plususer (result, buffer, buflen);
+ /* Store the User in the blacklist for the "+" at the end of
+ /etc/passwd */
+ blacklist_store_name (&result->pw_name[1], ent);
+ status = getpwnam_plususer (&result->pw_name[1], result, buffer,
+ buflen);
if (status == NSS_STATUS_SUCCESS) /* We found the entry. */
break;
else
@@ -901,26 +930,30 @@ internal_getpwent_r (struct passwd *pw, ent_t *ent, char *buffer,
/* We are searching members in a netgroup */
/* Since this is not the first call, we don't need the group name */
- status = getpwent_next_netgr (pw, ent, NULL, buffer, buflen);
+ if (use_nisplus)
+ status = getpwent_next_nisplus_netgr (NULL, pw, ent, NULL, buffer,
+ buflen);
+ else
+ status = getpwent_next_nis_netgr (NULL, pw, ent, NULL, buffer, buflen);
if (status == NSS_STATUS_RETURN)
return getpwent_next_file (pw, ent, buffer, buflen);
else
return status;
}
- else if (ent->nis)
- {
- if (use_nisplus)
- return getpwent_next_nisplus (pw, ent, buffer, buflen);
- else
- return getpwent_next_nis (pw, ent, buffer, buflen);
- }
else
- return getpwent_next_file (pw, ent, buffer, buflen);
+ if (ent->nis)
+ {
+ if (use_nisplus)
+ return getpwent_next_nisplus (pw, ent, buffer, buflen);
+ else
+ return getpwent_next_nis (pw, ent, buffer, buflen);
+ }
+ else
+ return getpwent_next_file (pw, ent, buffer, buflen);
}
enum nss_status
-_nss_compat_getpwent_r (struct passwd *pwd, char *buffer,
- size_t buflen)
+_nss_compat_getpwent_r (struct passwd *pwd, char *buffer, size_t buflen)
{
enum nss_status status = NSS_STATUS_SUCCESS;
@@ -944,6 +977,158 @@ _nss_compat_getpwent_r (struct passwd *pwd, char *buffer,
return status;
}
+/* Searches in /etc/passwd and the NIS/NIS+ map for a special user */
+static enum nss_status
+internal_getpwnam_r (const char *name, struct passwd *result, ent_t *ent,
+ char *buffer, size_t buflen)
+{
+ struct parser_data *data = (void *) buffer;
+
+ while (1)
+ {
+ fpos_t pos;
+ char *p;
+ int parse_res;
+
+ do
+ {
+ fgetpos (ent->stream, &pos);
+ p = fgets (buffer, buflen, ent->stream);
+ if (p == NULL)
+ {
+ if (feof (ent->stream))
+ return NSS_STATUS_NOTFOUND;
+ else
+ {
+ __set_errno (ERANGE);
+ return NSS_STATUS_TRYAGAIN;
+ }
+ }
+
+ /* Terminate the line for any case. */
+ buffer[buflen - 1] = '\0';
+
+ /* Skip leading blanks. */
+ while (isspace (*p))
+ ++p;
+ }
+ while (*p == '\0' || *p == '#' || /* Ignore empty and comment lines. */
+ /* Parse the line. If it is invalid, loop to
+ get the next line of the file to parse. */
+ !(parse_res = _nss_files_parse_pwent (p, result, data, buflen)));
+
+ if (parse_res == -1)
+ {
+ /* The parser ran out of space. */
+ fsetpos (ent->stream, &pos);
+ __set_errno (ERANGE);
+ return NSS_STATUS_TRYAGAIN;
+ }
+
+ /* This is a real entry. */
+ if (result->pw_name[0] != '+' && result->pw_name[0] != '-')
+ {
+ if (strcmp (result->pw_name, name) == 0)
+ return NSS_STATUS_SUCCESS;
+ else
+ continue;
+ }
+
+ /* -@netgroup */
+ if (result->pw_name[0] == '-' && result->pw_name[1] == '@'
+ && result->pw_name[2] != '\0')
+ {
+ char buf2[1024];
+ char *user, *host, *domain;
+ struct __netgrent netgrdata;
+
+ bzero (&netgrdata, sizeof (struct __netgrent));
+ __internal_setnetgrent (&result->pw_name[2], &netgrdata);
+ while (__internal_getnetgrent_r (&host, &user, &domain,
+ &netgrdata, buf2, sizeof (buf2)))
+ {
+ if (user != NULL && user[0] != '-')
+ if (strcmp (user, name) == 0)
+ return NSS_STATUS_NOTFOUND;
+ }
+ __internal_endnetgrent (&netgrdata);
+ continue;
+ }
+
+ /* +@netgroup */
+ if (result->pw_name[0] == '+' && result->pw_name[1] == '@'
+ && result->pw_name[2] != '\0')
+ {
+ char buf[strlen (result->pw_name)];
+ int status;
+
+ strcpy (buf, &result->pw_name[2]);
+ ent->netgroup = TRUE;
+ ent->first = TRUE;
+ copy_pwd_changes (&ent->pwd, result, NULL, 0);
+
+ do
+ {
+ if (use_nisplus)
+ status = getpwent_next_nisplus_netgr (name, result, ent, buf,
+ buffer, buflen);
+ else
+ status = getpwent_next_nis_netgr (name, result, ent, buf,
+ buffer, buflen);
+ if (status == NSS_STATUS_RETURN)
+ continue;
+
+ if (status == NSS_STATUS_SUCCESS &&
+ strcmp (result->pw_name, name) == 0)
+ return NSS_STATUS_SUCCESS;
+ } while (status == NSS_STATUS_SUCCESS);
+ continue;
+ }
+
+ /* -user */
+ if (result->pw_name[0] == '-' && result->pw_name[1] != '\0'
+ && result->pw_name[1] != '@')
+ {
+ if (strcmp (&result->pw_name[1], name) == 0)
+ return NSS_STATUS_NOTFOUND;
+ else
+ continue;
+ }
+
+ /* +user */
+ if (result->pw_name[0] == '+' && result->pw_name[1] != '\0'
+ && result->pw_name[1] != '@')
+ {
+ if (strcmp (name, &result->pw_name[1]) == 0)
+ {
+ enum nss_status status;
+
+ status = getpwnam_plususer (name, result, buffer, buflen);
+ if (status == NSS_STATUS_RETURN)
+ /* We couldn't parse the entry */
+ return NSS_STATUS_NOTFOUND;
+ else
+ return status;
+ }
+ }
+
+ /* +:... */
+ if (result->pw_name[0] == '+' && result->pw_name[1] == '\0')
+ {
+ enum nss_status status;
+
+ status = getpwnam_plususer (name, result, buffer, buflen);
+ if (status == NSS_STATUS_SUCCESS) /* We found the entry. */
+ break;
+ else
+ if (status == NSS_STATUS_RETURN) /* We couldn't parse the entry */
+ return NSS_STATUS_NOTFOUND;
+ else
+ return status;
+ }
+ }
+ return NSS_STATUS_SUCCESS;
+}
enum nss_status
_nss_compat_getpwnam_r (const char *name, struct passwd *pwd,
@@ -970,15 +1155,244 @@ _nss_compat_getpwnam_r (const char *name, struct passwd *pwd,
if (status != NSS_STATUS_SUCCESS)
return status;
- while ((status = internal_getpwent_r (pwd, &ent, buffer, buflen))
- == NSS_STATUS_SUCCESS)
- if (strcmp (pwd->pw_name, name) == 0)
- break;
+ status = internal_getpwnam_r (name, pwd, &ent, buffer, buflen);
internal_endpwent (&ent);
+
return status;
}
+/* This function handle the + entry in /etc/passwd for getpwuid */
+static enum nss_status
+getpwuid_plususer (uid_t uid, struct passwd *result, char *buffer,
+ size_t buflen)
+{
+ struct parser_data *data = (void *) buffer;
+ struct passwd pwd;
+ int parse_res;
+ char *p;
+ size_t plen;
+
+ memset (&pwd, '\0', sizeof (struct passwd));
+
+ copy_pwd_changes (&pwd, result, NULL, 0);
+
+ plen = pwd_need_buflen (&pwd);
+ if (plen > buflen)
+ {
+ __set_errno (ERANGE);
+ return NSS_STATUS_TRYAGAIN;
+ }
+ p = buffer + (buflen - plen);
+ buflen -= plen;
+
+ if (use_nisplus) /* Do the NIS+ query here */
+ {
+ nis_result *res;
+ char buf[1024 + pwdtablelen];
+
+ sprintf(buf, "[uid=%d],%s", uid, pwdtable);
+ res = nis_list(buf, FOLLOW_PATH | FOLLOW_LINKS, NULL, NULL);
+ if (niserr2nss (res->status) != NSS_STATUS_SUCCESS)
+ {
+ enum nss_status status = niserr2nss (res->status);
+
+ nis_freeresult (res);
+ return status;
+ }
+ if ((parse_res = _nss_nisplus_parse_pwent (res, result, buffer,
+ buflen)) == -1)
+ {
+ nis_freeresult (res);
+ __set_errno (ERANGE);
+ return NSS_STATUS_TRYAGAIN;
+ }
+ nis_freeresult (res);
+ }
+ else /* Use NIS */
+ {
+ char buf[1024];
+ char *domain, *outval, *ptr;
+ int outvallen;
+
+ if (yp_get_default_domain (&domain) != YPERR_SUCCESS)
+ return NSS_STATUS_TRYAGAIN;
+
+ sprintf (buf, "%d", uid);
+ if (yp_match (domain, "passwd.byuid", buf, strlen (buf),
+ &outval, &outvallen)
+ != YPERR_SUCCESS)
+ return NSS_STATUS_TRYAGAIN;
+ ptr = strncpy (buffer, outval, buflen < (size_t) outvallen ?
+ buflen : (size_t) outvallen);
+ buffer[buflen < (size_t) outvallen ? buflen : (size_t) outvallen] = '\0';
+ free (outval);
+ while (isspace (*ptr))
+ ptr++;
+ if ((parse_res = _nss_files_parse_pwent (ptr, result, data, buflen))
+ == -1)
+ {
+ __set_errno (ERANGE);
+ return NSS_STATUS_TRYAGAIN;
+ }
+ }
+
+ if (parse_res > 0)
+ {
+ copy_pwd_changes (result, &pwd, p, plen);
+ give_pwd_free (&pwd);
+ /* We found the entry. */
+ return NSS_STATUS_SUCCESS;
+ }
+ else
+ {
+ /* Give buffer the old len back */
+ buflen += plen;
+ give_pwd_free (&pwd);
+ }
+ return NSS_STATUS_RETURN;
+}
+
+/* Searches in /etc/passwd and the NIS/NIS+ map for a special user id */
+static enum nss_status
+internal_getpwuid_r (uid_t uid, struct passwd *result, ent_t *ent,
+ char *buffer, size_t buflen)
+{
+ struct parser_data *data = (void *) buffer;
+
+ while (1)
+ {
+ fpos_t pos;
+ char *p;
+ int parse_res;
+
+ do
+ {
+ fgetpos (ent->stream, &pos);
+ p = fgets (buffer, buflen, ent->stream);
+ if (p == NULL)
+ return NSS_STATUS_NOTFOUND;
+
+ /* Terminate the line for any case. */
+ buffer[buflen - 1] = '\0';
+
+ /* Skip leading blanks. */
+ while (isspace (*p))
+ ++p;
+ }
+ while (*p == '\0' || *p == '#' || /* Ignore empty and comment lines. */
+ /* Parse the line. If it is invalid, loop to
+ get the next line of the file to parse. */
+ !(parse_res = _nss_files_parse_pwent (p, result, data, buflen)));
+
+ if (parse_res == -1)
+ {
+ /* The parser ran out of space. */
+ fsetpos (ent->stream, &pos);
+ __set_errno (ERANGE);
+ return NSS_STATUS_TRYAGAIN;
+ }
+
+ /* This is a real entry. */
+ if (result->pw_name[0] != '+' && result->pw_name[0] != '-')
+ {
+ if (result->pw_uid == uid)
+ return NSS_STATUS_SUCCESS;
+ else
+ continue;
+ }
+
+ /* -@netgroup */
+ if (result->pw_name[0] == '-' && result->pw_name[1] == '@'
+ && result->pw_name[2] != '\0')
+ {
+ char buf2[1024];
+ char *user, *host, *domain;
+ struct __netgrent netgrdata;
+
+ bzero (&netgrdata, sizeof (struct __netgrent));
+ __internal_setnetgrent (&result->pw_name[2], &netgrdata);
+ while (__internal_getnetgrent_r (&host, &user, &domain,
+ &netgrdata, buf2, sizeof (buf2)))
+ {
+ if (user != NULL && user[0] != '-')
+ blacklist_store_name (user, ent);
+ }
+ __internal_endnetgrent (&netgrdata);
+ continue;
+ }
+
+ /* +@netgroup */
+ if (result->pw_name[0] == '+' && result->pw_name[1] == '@'
+ && result->pw_name[2] != '\0')
+ {
+ char buf[strlen (result->pw_name)];
+ int status;
+
+ strcpy (buf, &result->pw_name[2]);
+ ent->netgroup = TRUE;
+ ent->first = TRUE;
+ copy_pwd_changes (&ent->pwd, result, NULL, 0);
+
+ do
+ {
+ if (use_nisplus)
+ status = getpwent_next_nisplus_netgr (NULL, result, ent, buf,
+ buffer, buflen);
+ else
+ status = getpwent_next_nis_netgr (NULL, result, ent, buf,
+ buffer, buflen);
+ if (status == NSS_STATUS_RETURN)
+ continue;
+
+ if (status == NSS_STATUS_SUCCESS && uid == result->pw_uid)
+ return NSS_STATUS_SUCCESS;
+ } while (status == NSS_STATUS_SUCCESS);
+ continue;
+ }
+
+ /* -user */
+ if (result->pw_name[0] == '-' && result->pw_name[1] != '\0'
+ && result->pw_name[1] != '@')
+ {
+ blacklist_store_name (&result->pw_name[1], ent);
+ continue;
+ }
+
+ /* +user */
+ if (result->pw_name[0] == '+' && result->pw_name[1] != '\0'
+ && result->pw_name[1] != '@')
+ {
+ enum nss_status status;
+
+ /* Store the User in the blacklist for the "+" at the end of
+ /etc/passwd */
+ blacklist_store_name (&result->pw_name[1], ent);
+ status = getpwnam_plususer (&result->pw_name[1], result, buffer,
+ buflen);
+ if (status == NSS_STATUS_SUCCESS && result->pw_uid == uid)
+ break;
+ else
+ continue;
+ }
+
+ /* +:... */
+ if (result->pw_name[0] == '+' && result->pw_name[1] == '\0')
+ {
+ enum nss_status status;
+
+ status = getpwuid_plususer (uid, result, buffer, buflen);
+ if (status == NSS_STATUS_SUCCESS) /* We found the entry. */
+ break;
+ else
+ if (status == NSS_STATUS_RETURN) /* We couldn't parse the entry */
+ return NSS_STATUS_NOTFOUND;
+ else
+ return status;
+ }
+ }
+ return NSS_STATUS_SUCCESS;
+}
enum nss_status
_nss_compat_getpwuid_r (uid_t uid, struct passwd *pwd,
@@ -1002,12 +1416,10 @@ _nss_compat_getpwuid_r (uid_t uid, struct passwd *pwd,
if (status != NSS_STATUS_SUCCESS)
return status;
- while ((status = internal_getpwent_r (pwd, &ent, buffer, buflen))
- == NSS_STATUS_SUCCESS)
- if (pwd->pw_uid == uid && pwd->pw_name[0] != '+' && pwd->pw_name[0] != '-')
- break;
+ status = internal_getpwuid_r (uid, pwd, &ent, buffer, buflen);
internal_endpwent (&ent);
+
return status;
}
diff --git a/nis/nss_compat/compat-spwd.c b/nis/nss_compat/compat-spwd.c
index 431380dac6..c33d5aa339 100644
--- a/nis/nss_compat/compat-spwd.c
+++ b/nis/nss_compat/compat-spwd.c
@@ -30,6 +30,10 @@
#include <rpcsvc/nis.h>
#include <nsswitch.h>
+/* Comment out the following line for the production version. */
+/* #define NDEBUG 1 */
+#include <assert.h>
+
#include "netgroup.h"
#include "nss-nisplus.h"
#include "nisplus-parser.h"
@@ -43,7 +47,7 @@ static size_t pwdtablelen = 0;
#define ENTNAME spent
#define STRUCTURE spwd
#define EXTERN_PARSER
-#include "../../nss/nss_files/files-parse.c"
+#include <nss/nss_files/files-parse.c>
/* Structure for remembering -@netgroup and -user members ... */
#define BLACKLIST_INITIAL_SIZE 512
@@ -163,15 +167,22 @@ internal_setspent (ent_t *ent)
if (pwdtable == NULL)
{
- char buf [20 + strlen (nis_local_directory ())];
- char *p;
+ static const char key[] = "passwd.org_dir.";
+ const char *local_dir = nis_local_directory ();
+ size_t len_local_dir = strlen (local_dir);
- p = stpcpy (buf, "passwd.org_dir.");
- p = stpcpy (p, nis_local_directory ());
- pwdtable = strdup (buf);
+ pwdtable = malloc (sizeof (key) + len_local_dir);
if (pwdtable == NULL)
return NSS_STATUS_TRYAGAIN;
- pwdtablelen = strlen (pwdtable);
+
+ pwdtablelen = ((char *) mempcpy (mempcpy (pwdtable,
+ key, sizeof (key) - 1),
+ local_dir, len_local_dir + 1)
+ - pwdtable) - 1;
+
+ /* *Maybe* (I'm no NIS expert) we have to duplicate the `local_dir'
+ value since it might change during our work. So add a test here. */
+ assert (pwdtablelen == sizeof (key) + len_local_dir);
}
ent->blacklist.current = 0;
@@ -287,8 +298,8 @@ _nss_compat_endspent (void)
static enum nss_status
-getspent_next_nis_netgr (struct spwd *result, ent_t *ent, char *group,
- char *buffer, size_t buflen)
+getspent_next_nis_netgr (const char *name, struct spwd *result, ent_t *ent,
+ char *group, char *buffer, size_t buflen)
{
struct parser_data *data = (void *) buffer;
char *ypdomain, *host, *user, *domain, *outval, *p, *p2;
@@ -332,6 +343,11 @@ getspent_next_nis_netgr (struct spwd *result, ent_t *ent, char *group,
if (domain != NULL && strcmp (ypdomain, domain) != 0)
continue;
+ /* If name != NULL, we are called from getpwnam */
+ if (name != NULL)
+ if (strcmp (user, name) != 0)
+ continue;
+
if (yp_match (ypdomain, "shadow.byname", user,
strlen (user), &outval, &outvallen)
!= YPERR_SUCCESS)
@@ -357,6 +373,9 @@ getspent_next_nis_netgr (struct spwd *result, ent_t *ent, char *group,
if (parse_res)
{
+ /* Store the User in the blacklist for the "+" at the end of
+ /etc/passwd */
+ blacklist_store_name (result->sp_namp, ent);
copy_spwd_changes (result, &ent->pwd, p2, p2len);
break;
}
@@ -366,8 +385,9 @@ getspent_next_nis_netgr (struct spwd *result, ent_t *ent, char *group,
}
static enum nss_status
-getspent_next_nisplus_netgr (struct spwd *result, ent_t *ent, char *group,
- char *buffer, size_t buflen)
+getspent_next_nisplus_netgr (const char *name, struct spwd *result,
+ ent_t *ent, char *group, char *buffer,
+ size_t buflen)
{
char *ypdomain, *host, *user, *domain, *p2;
int status, parse_res;
@@ -412,6 +432,11 @@ getspent_next_nisplus_netgr (struct spwd *result, ent_t *ent, char *group,
if (domain != NULL && strcmp (ypdomain, domain) != 0)
continue;
+ /* If name != NULL, we are called from getpwnam */
+ if (name != NULL)
+ if (strcmp (user, name) != 0)
+ continue;
+
p2len = spwd_need_buflen (&ent->pwd);
if (p2len > buflen)
{
@@ -440,7 +465,10 @@ getspent_next_nisplus_netgr (struct spwd *result, ent_t *ent, char *group,
if (parse_res)
{
- copy_spwd_changes (result, &ent->pwd, p2, p2len);
+ /* Store the User in the blacklist for the "+" at the end of
+ /etc/passwd */
+ blacklist_store_name (result->sp_namp, ent);
+ copy_spwd_changes (result, &ent->pwd, p2, p2len);
break;
}
}
@@ -449,16 +477,6 @@ getspent_next_nisplus_netgr (struct spwd *result, ent_t *ent, char *group,
}
static enum nss_status
-getspent_next_netgr (struct spwd *result, ent_t *ent, char *group,
- char *buffer, size_t buflen)
-{
- if (use_nisplus)
- return getspent_next_nisplus_netgr (result, ent, group, buffer, buflen);
- else
- return getspent_next_nis_netgr (result, ent, group, buffer, buflen);
-}
-
-static enum nss_status
getspent_next_nisplus (struct spwd *result, ent_t *ent, char *buffer,
size_t buflen)
{
@@ -635,8 +653,8 @@ getspent_next_nis (struct spwd *result, ent_t *ent,
/* This function handle the +user entrys in /etc/shadow */
static enum nss_status
-getspent_next_file_plususer (struct spwd *result, char *buffer,
- size_t buflen)
+getspnam_plususer (const char *name, struct spwd *result, char *buffer,
+ size_t buflen)
{
struct parser_data *data = (void *) buffer;
struct spwd pwd;
@@ -660,9 +678,9 @@ getspent_next_file_plususer (struct spwd *result, char *buffer,
if (use_nisplus) /* Do the NIS+ query here */
{
nis_result *res;
- char buf[strlen (result->sp_namp) + 24 + pwdtablelen];
+ char buf[strlen (name) + 24 + pwdtablelen];
- sprintf(buf, "[name=%s],%s", &result->sp_namp[1], pwdtable);
+ sprintf(buf, "[name=%s],%s", name, pwdtable);
res = nis_list(buf, 0, NULL, NULL);
if (niserr2nss (res->status) != NSS_STATUS_SUCCESS)
{
@@ -681,24 +699,28 @@ getspent_next_file_plususer (struct spwd *result, char *buffer,
}
else /* Use NIS */
{
- char *domain;
- char *outval;
+ char *domain, *outval, *ptr;
int outvallen;
if (yp_get_default_domain (&domain) != YPERR_SUCCESS)
return NSS_STATUS_TRYAGAIN;
- if (yp_match (domain, "passwd.byname", &result->sp_namp[1],
- strlen (result->sp_namp) - 1, &outval, &outvallen)
+ if (yp_match (domain, "shadow.byname", name, strlen (name),
+ &outval, &outvallen)
!= YPERR_SUCCESS)
return NSS_STATUS_TRYAGAIN;
- p = strncpy (buffer, outval,
- buflen < (size_t) outvallen ? buflen : (size_t) outvallen);
+ ptr = strncpy (buffer, outval, buflen < (size_t) outvallen ?
+ buflen : (size_t) outvallen);
+ buffer[buflen < (size_t) outvallen ? buflen : (size_t) outvallen] = '\0';
free (outval);
- while (isspace (*p))
- p++;
- if ((parse_res = _nss_files_parse_spent (p, result, data, buflen)) == -1)
- return NSS_STATUS_TRYAGAIN;
+ while (isspace (*ptr))
+ ptr++;
+ if ((parse_res = _nss_files_parse_spent (ptr, result, data, buflen))
+ == -1)
+ {
+ __set_errno (ERANGE);
+ return NSS_STATUS_TRYAGAIN;
+ }
}
if (parse_res)
@@ -790,8 +812,14 @@ getspent_next_file (struct spwd *result, ent_t *ent,
ent->first = TRUE;
copy_spwd_changes (&ent->pwd, result, NULL, 0);
- status = getspent_next_netgr (result, ent, &result->sp_namp[2],
- buffer, buflen);
+ if (use_nisplus)
+ status = getspent_next_nisplus_netgr (NULL, result, ent,
+ &result->sp_namp[2],
+ buffer, buflen);
+ else
+ status = getspent_next_nis_netgr (NULL, result, ent,
+ &result->sp_namp[2],
+ buffer, buflen);
if (status == NSS_STATUS_RETURN)
continue;
else
@@ -812,7 +840,11 @@ getspent_next_file (struct spwd *result, ent_t *ent,
{
enum nss_status status;
- status = getspent_next_file_plususer (result, buffer, buflen);
+ /* Store the User in the blacklist for the "+" at the end of
+ /etc/passwd */
+ blacklist_store_name (&result->sp_namp[1], ent);
+ status = getspnam_plususer (&result->sp_namp[1], result, buffer,
+ buflen);
if (status == NSS_STATUS_SUCCESS) /* We found the entry. */
break;
else
@@ -850,21 +882,26 @@ internal_getspent_r (struct spwd *pw, ent_t *ent,
/* We are searching members in a netgroup */
/* Since this is not the first call, we don't need the group name */
- status = getspent_next_netgr (pw, ent, NULL, buffer, buflen);
+ if (use_nisplus)
+ status = getspent_next_nisplus_netgr (NULL, pw, ent, NULL, buffer,
+ buflen);
+ else
+ status = getspent_next_nis_netgr (NULL, pw, ent, NULL, buffer, buflen);
if (status == NSS_STATUS_RETURN)
return getspent_next_file (pw, ent, buffer, buflen);
else
return status;
}
- else if (ent->nis)
- {
- if (use_nisplus)
- return getspent_next_nisplus (pw, ent, buffer, buflen);
- else
- return getspent_next_nis (pw, ent, buffer, buflen);
- }
else
- return getspent_next_file (pw, ent, buffer, buflen);
+ if (ent->nis)
+ {
+ if (use_nisplus)
+ return getspent_next_nisplus (pw, ent, buffer, buflen);
+ else
+ return getspent_next_nis (pw, ent, buffer, buflen);
+ }
+ else
+ return getspent_next_file (pw, ent, buffer, buflen);
}
enum nss_status
@@ -892,6 +929,147 @@ _nss_compat_getspent_r (struct spwd *pwd, char *buffer, size_t buflen)
return status;
}
+/* 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,
+ char *buffer, size_t buflen)
+{
+ struct parser_data *data = (void *) buffer;
+
+ while (1)
+ {
+ fpos_t pos;
+ char *p;
+ int parse_res;
+
+ do
+ {
+ fgetpos (ent->stream, &pos);
+ p = fgets (buffer, buflen, ent->stream);
+ if (p == NULL)
+ return NSS_STATUS_NOTFOUND;
+
+ /* Terminate the line for any case. */
+ buffer[buflen - 1] = '\0';
+
+ /* Skip leading blanks. */
+ while (isspace (*p))
+ ++p;
+ }
+ while (*p == '\0' || *p == '#' || /* Ignore empty and comment lines. */
+ /* Parse the line. If it is invalid, loop to
+ get the next line of the file to parse. */
+ !(parse_res = _nss_files_parse_spent (p, result, data, buflen)));
+
+ if (parse_res == -1)
+ {
+ /* The parser ran out of space. */
+ fsetpos (ent->stream, &pos);
+ __set_errno (ERANGE);
+ return NSS_STATUS_TRYAGAIN;
+ }
+
+ /* This is a real entry. */
+ if (result->sp_namp[0] != '+' && result->sp_namp[0] != '-')
+ {
+ if (strcmp (result->sp_namp, name) == 0)
+ return NSS_STATUS_SUCCESS;
+ else
+ continue;
+ }
+
+ /* -@netgroup */
+ if (result->sp_namp[0] == '-' && result->sp_namp[1] == '@'
+ && result->sp_namp[2] != '\0')
+ {
+ char buf2[1024];
+ char *user, *host, *domain;
+ struct __netgrent netgrdata;
+
+ bzero (&netgrdata, sizeof (struct __netgrent));
+ __internal_setnetgrent (&result->sp_namp[2], &netgrdata);
+ while (__internal_getnetgrent_r (&host, &user, &domain,
+ &netgrdata, buf2, sizeof (buf2)))
+ {
+ if (user != NULL && user[0] != '-')
+ if (strcmp (user, name) == 0)
+ return NSS_STATUS_NOTFOUND;
+ }
+ __internal_endnetgrent (&netgrdata);
+ continue;
+ }
+
+ /* +@netgroup */
+ if (result->sp_namp[0] == '+' && result->sp_namp[1] == '@'
+ && result->sp_namp[2] != '\0')
+ {
+ char buf[strlen (result->sp_namp)];
+ int status;
+
+ strcpy (buf, &result->sp_namp[2]);
+ ent->netgroup = TRUE;
+ ent->first = TRUE;
+ copy_spwd_changes (&ent->pwd, result, NULL, 0);
+
+ do
+ {
+ if (use_nisplus)
+ status = getspent_next_nisplus_netgr (name, result, ent, buf,
+ buffer, buflen);
+ else
+ status = getspent_next_nis_netgr (name, result, ent, buf,
+ buffer, buflen);
+ if (status == NSS_STATUS_RETURN)
+ continue;
+
+ if (status == NSS_STATUS_SUCCESS &&
+ strcmp (result->sp_namp, name) == 0)
+ return NSS_STATUS_SUCCESS;
+ } while (status == NSS_STATUS_SUCCESS);
+ continue;
+ }
+
+ /* -user */
+ if (result->sp_namp[0] == '-' && result->sp_namp[1] != '\0'
+ && result->sp_namp[1] != '@')
+ {
+ if (strcmp (&result->sp_namp[1], name) == 0)
+ return NSS_STATUS_NOTFOUND;
+ else
+ continue;
+ }
+
+ /* +user */
+ if (result->sp_namp[0] == '+' && result->sp_namp[1] != '\0'
+ && result->sp_namp[1] != '@')
+ {
+ if (strcmp (name, &result->sp_namp[1]) == 0)
+ {
+ enum nss_status status;
+
+ status = getspnam_plususer (name, result, buffer, buflen);
+ if (status == NSS_STATUS_RETURN)
+ /* We couldn't parse the entry */
+ return NSS_STATUS_NOTFOUND;
+ else
+ return status;
+ }
+ }
+
+ /* +:... */
+ if (result->sp_namp[0] == '+' && result->sp_namp[1] == '\0')
+ {
+ enum nss_status status;
+
+ status = getspnam_plususer (name, result, buffer, buflen);
+ if (status == NSS_STATUS_RETURN) /* We couldn't parse the entry */
+ return NSS_STATUS_NOTFOUND;
+ else
+ return status;
+ }
+ }
+ return NSS_STATUS_SUCCESS;
+}
enum nss_status
_nss_compat_getspnam_r (const char *name, struct spwd *pwd,
@@ -914,12 +1092,10 @@ _nss_compat_getspnam_r (const char *name, struct spwd *pwd,
if (status != NSS_STATUS_SUCCESS)
return status;
- while ((status = internal_getspent_r (pwd, &ent, buffer, buflen))
- == NSS_STATUS_SUCCESS)
- if (strcmp (pwd->sp_namp, name) == 0)
- break;
+ status = internal_getspnam_r (name, pwd, &ent, buffer, buflen);
internal_endspent (&ent);
+
return status;
}