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1998-07-04 10:14 Ulrich Drepper <drepper@cygnus.com> * libio/Makefile (routines): Add iofread_u and iofwrite_u. * libio/Versions: Add fread_unlocked and fwrite_unlocked. * Makerules (lib%.so): Adjust ignore pattern for last makefile change. * time/tzfile.c (decode): Optimize by using bswap_32. (__tzfile_read): Use _unlocked stream functions. Correct setting of __tzname array values. (__tzfile_compute): Correct setting of __tzname array values. * time/tzset.c (__tzstring): Clean up a bit. 1998-06-29 19:01 Jim Wilson <wilson@cygnus.com> * posix/regex.c (re_comp): Add cast to char * before gettext calls. 1998-06-30 Andreas Jaeger <aj@arthur.rhein-neckar.de> * sysdeps/unix/bsd/poll.c (__poll): Allocate fd_set dynamically so that fd can be bigger than FD_SETSIZE. 1998-07-01 Andreas Jaeger <aj@arthur.rhein-neckar.de> * nscd/grpcache.c: Include <unistd.h>. * nscd/pwdcache.c: Likewise. * nis/nis_modify.c: Include <string.h>. * nis/nis_add.c: Likewise. * nis/nis_checkpoint.c: Likewise. * posix/runptests.c: Likewise. * sysdeps/generic/statvfs64.c: Likewise. * sysdeps/generic/fstatvfs64.c: Likewise. 1998-07-03 13:16 Ulrich Drepper <drepper@cygnus.com> * localedata/charmaps/ISO-8859-9: Change mapping for 0xea, 0xec, 0xef to match data from Unicode. Reported by Michael Deutschmann <michael@talamasca.wkpowerlink.com>. 1998-07-03 11:45 Ulrich Drepper <drepper@cygnus.com> * stdio-common/printf.h: Define printf_function and printf_arginfo_function types using __PMT not __P. Reported by Marc Lehmann. 1998-07-02 14:07 -0400 Zack Weinberg <zack@rabi.phys.columbia.edu> * assert/test-assert.c: New test. * assert/test-assert-perr.c: New test. * assert/Makefile (tests): Add test-assert and test-assert-perr. 1998-07-02 13:45 Zack Weinberg <zack@rabi.phys.columbia.edu> BSD-style SCM_CREDS support. * sysdeps/unix/sysv/linux/socket.h: Define struct cmsgcred and SCM_CREDS. * sysdeps/unix/sysv/linux/sendmsg.c: New file. Convert user visible SCM_CREDS packet to what the kernel wants. * sysdeps/unix/sysv/linux/recvmsg.c: New file. Convert SCM_CREDS packet output by kernel to what users want. * sysdeps/unix/sysv/linux/sendmsg.S: Moved to... * sysdeps/unix/sysv/linux/__sendmsg.S: here. * sysdeps/unix/sysv/linux/recvmsg.S: Moved to... * sysdeps/unix/sysv/linux/__recvmsg.S: here. * sysdeps/unix/sysv/linux/Makefile [subdir=socket]: Add __sendmsg and __recvmsg to sysdep_routines. * sysdeps/unix/sysv/linux/Dist: Add __sendmsg.S and __recvmsg.S. 1998-07-02 Thorsten Kukuk <kukuk@vt.uni-paderborn.de> * nscd/grpcache.c: Fix gid pointer handling and debug messages. * nscd/pwdcache.c: Fix uid pointer handling and debug messages. * nscd/nscd.c: Check, if pthread_create fails. 1998-07-02 Andreas Jaeger <aj@arthur.rhein-neckar.de> * stdio-common/test_rdwr.c (main): Use %Zu for size_t in printf format strings. * stdio-common/bug1.c (main): Likewise. * stdio-common/bug5.c (main): Likewise. * stdio-common/tstgetln.c (main): Likewise. * elf/sprof.c (generate_call_graph): Likewise. (load_shobj): Likewise. * posix/runptests.c (main): Likewise. * string/tst-strlen.c (main): Likewise. * sysdeps/libm-ieee754/e_acos.c (__ieee754_acos): Remove unused variable q3. * sysdeps/libm-ieee754/e_asin.c (__ieee754_asin): Likewise 1998-07-03 Andreas Jaeger <aj@arthur.rhein-neckar.de> * wctype/Versions: Add __towctrans. Noticed by Alex Buell <alex.buell@tahallah.demon.co.uk>. 1998-07-02 Mark Kettenis <kettenis@phys.uva.nl> * grp/initgroups.c (compat_call): Only call dynamically loaded functions if they are really present. 1998-07-02 Mark Kettenis <kettenis@phys.uva.nl> * sysdeps/unix/sysv/linux/bits/sched.h: Move __END_DECLS within #ifdef that contains __BEGIN_DECLS. 1998-07-02 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> * libio/iofwrite.c: Fix return value when size == 0. 1998-07-01 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> * posix/Makefile (distribute): Add annexc.c. (generated): Add $(objpfx)annexc and $(objpfx)annexc.out. 1998-07-01 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> * sysdeps/unix/sysv/linux/Makefile (sysdep_headers): Add bits/pthreadtypes.h here, and do not clobber headers. * sysdeps/unix/sysv/linux/Dist: Add bits/pthreadtypes.h. 1998-07-03 Andreas Jaeger <aj@arthur.rhein-neckar.de> * timezone/tst-timezone.c: Add tests for tzname variable. 1998-07-03 12:17 Zack Weinberg <zack@rabi.phys.columbia.edu> * Makefile [versioning=yes]: Build the mapfiles with a pattern rule that lists all of them as targets. (sysd-versions): Depend only on Versions.def. Write a Makefile fragment that defines $(vers-libs) based on contents of that file; then include it. (lib-noranlib): Depend on lib-mapfiles not sysd-versions. (lib-mapfiles): New target, depends on sysd-versions and $(vers-libs). Predicate all this on avoid-generated unset as well as versioning. 1998-07-03 14:35 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
200 lines
5.3 KiB
C
200 lines
5.3 KiB
C
/* Copyright (C) 1989, 91, 93, 96, 97, 98 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public License as
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published by the Free Software Foundation; either version 2 of the
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License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with the GNU C Library; see the file COPYING.LIB. If not,
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write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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#include <alloca.h>
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#include <errno.h>
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#include <grp.h>
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#include <limits.h>
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#include <string.h>
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#include <unistd.h>
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#include <sys/types.h>
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#include <nsswitch.h>
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/* Type of the lookup function. */
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typedef enum nss_status (*initgroups_function) (const char *, gid_t,
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long int *, long int *,
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gid_t *, long int, int *);
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/* Prototype for the setgrent functions we use here. */
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typedef enum nss_status (*set_function) (void);
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/* Prototype for the endgrent functions we use here. */
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typedef enum nss_status (*end_function) (void);
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/* Prototype for the setgrent functions we use here. */
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typedef enum nss_status (*get_function) (struct group *, char *,
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size_t, int *);
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/* The lookup function for the first entry of this service. */
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extern int __nss_group_lookup (service_user **nip, const char *name,
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void **fctp);
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extern void *__nss_lookup_function (service_user *ni, const char *fct_name);
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extern service_user *__nss_group_database;
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static enum nss_status
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compat_call (service_user *nip, const char *user, gid_t group, long int *start,
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long int *size, gid_t *groups, long int limit, int *errnop)
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{
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struct group grpbuf, *g;
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size_t buflen = sysconf (_SC_GETPW_R_SIZE_MAX);
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char *tmpbuf;
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enum nss_status status;
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set_function setgrent_fct;
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get_function getgrent_fct;
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end_function endgrent_fct;
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getgrent_fct = __nss_lookup_function (nip, "getgrent_r");
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if (getgrent_fct == NULL)
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return NSS_STATUS_UNAVAIL;
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setgrent_fct = __nss_lookup_function (nip, "setgrent");
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if (setgrent_fct)
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{
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status = _CALL_DL_FCT (setgrent_fct, ());
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if (status != NSS_STATUS_SUCCESS)
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return status;
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}
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endgrent_fct = __nss_lookup_function (nip, "endgrent");
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tmpbuf = __alloca (buflen);
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do
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{
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while ((status = _CALL_DL_FCT (getgrent_fct,
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(&grpbuf, tmpbuf, buflen, errnop)),
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status == NSS_STATUS_TRYAGAIN)
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&& *errnop == ERANGE)
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{
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buflen *= 2;
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tmpbuf = __alloca (buflen);
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}
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if (status != NSS_STATUS_SUCCESS)
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goto done;
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g = &grpbuf;
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if (g->gr_gid != group)
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{
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char **m;
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for (m = g->gr_mem; *m != NULL; ++m)
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if (strcmp (*m, user) == 0)
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{
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/* Matches user. Insert this group. */
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if (*start == *size && limit <= 0)
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{
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/* Need a bigger buffer. */
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groups = realloc (groups, *size * sizeof (*groups));
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if (groups == NULL)
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goto done;
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*size *= 2;
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}
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groups[*start] = g->gr_gid;
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*start += 1;
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if (*start == limit)
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/* Can't take any more groups; stop searching. */
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goto done;
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break;
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}
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}
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}
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while (status == NSS_STATUS_SUCCESS);
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done:
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if (endgrent_fct)
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_CALL_DL_FCT (endgrent_fct, ());
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return NSS_STATUS_SUCCESS;
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}
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/* Initialize the group set for the current user
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by reading the group database and using all groups
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of which USER is a member. Also include GROUP. */
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int
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initgroups (user, group)
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const char *user;
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gid_t group;
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{
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#if defined NGROUPS_MAX && NGROUPS_MAX == 0
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/* No extra groups allowed. */
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return 0;
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#else
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service_user *nip = NULL;
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initgroups_function fct;
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enum nss_status status = NSS_STATUS_UNAVAIL;
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int no_more;
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/* Start is one, because we have the first group as parameter. */
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long int start = 1;
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long int size;
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gid_t *groups;
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#ifdef NGROUPS_MAX
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# define limit NGROUPS_MAX
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size = limit;
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#else
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long int limit = sysconf (_SC_NGROUPS_MAX);
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if (limit > 0)
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size = limit;
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else
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/* No fixed limit on groups. Pick a starting buffer size. */
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size = 16;
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#endif
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groups = malloc (size * sizeof (gid_t *));
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groups[0] = group;
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if (__nss_group_database != NULL)
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{
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no_more = 0;
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nip = __nss_group_database;
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}
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else
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no_more = __nss_database_lookup ("group", NULL,
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"compat [NOTFOUND=return] files", &nip);
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while (! no_more)
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{
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fct = __nss_lookup_function (nip, "initgroups");
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if (fct == NULL)
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status = compat_call (nip, user, group, &start, &size, groups,
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limit, &errno);
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else
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status = _CALL_DL_FCT (fct, (user, group, &start, &size, groups, limit,
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&errno));
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if (nip->next == NULL)
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no_more = -1;
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else
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nip = nip->next;
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}
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return setgroups (start, groups);
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#endif
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}
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