From 70181fddf1467996bea393d13294ffe76b8a0853 Mon Sep 17 00:00:00 2001 From: Ulrich Drepper Date: Fri, 14 Jan 2011 08:42:11 -0500 Subject: [PATCH] Change setgroups to affect all the threads in the process. --- ChangeLog | 5 +++++ NEWS | 9 ++++---- nptl/ChangeLog | 7 ++++++ nptl/sysdeps/pthread/setxid.h | 8 +++---- sysdeps/unix/sysv/linux/i386/setgroups.c | 12 +++++++---- sysdeps/unix/sysv/linux/setgroups.c | 37 ++++++++++++++++++++++++++++++++ 6 files changed, 66 insertions(+), 12 deletions(-) create mode 100644 sysdeps/unix/sysv/linux/setgroups.c diff --git a/ChangeLog b/ChangeLog index 59d1a94..08c3535 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,5 +1,10 @@ 2011-01-14 Ulrich Drepper + [BZ #10563] + * sysdeps/unix/sysv/linux/i386/setgroups.c: Use INLINE_SETXID_SYSCALL + to make the syscall. + * sysdeps/unix/sysv/linux/setgroups.c: New file. + [BZ #12378] * posix/fnmatch_loop.c (FCT): When matching '[' keep track of beginning and fall back to matching as normal character if the string ends before diff --git a/NEWS b/NEWS index 5e5b7aa..01984f6 100644 --- a/NEWS +++ b/NEWS @@ -9,10 +9,11 @@ Version 2.13 * The following bugs are resolved with this release: - 3268, 7066, 10085, 10484, 10851, 11149, 11155, 11611, 11640, 11655, 11701, - 11840, 11856, 11883, 11903, 11904, 11968, 11979, 12005, 12037, 12067, - 12077, 12078, 12092, 12093, 12107, 12108, 12113, 12140, 12159, 12167, - 12191, 12194, 12201, 12204, 12205, 12207, 12348, 12378, 12394, 12397 + 3268, 7066, 10085, 10484, 10563, 10851, 11149, 11155, 11611, 11640, 11655, + 11701, 11840, 11856, 11883, 11903, 11904, 11968, 11979, 12005, 12037, + 12067, 12077, 12078, 12092, 12093, 12107, 12108, 12113, 12140, 12159, + 12167, 12191, 12194, 12201, 12204, 12205, 12207, 12348, 12378, 12394, + 12397 * New Linux interfaces: prlimit, prlimit64, fanotify_init, fanotify_mark diff --git a/nptl/ChangeLog b/nptl/ChangeLog index 22b8208..f3a2753 100644 --- a/nptl/ChangeLog +++ b/nptl/ChangeLog @@ -1,3 +1,10 @@ +2011-01-14 Ulrich Drepper + + [BZ #10563] + * sysdeps/pthread/setxid.h (__SETXID_1): Add cast to assignment. + (__SETXID_2): Likewise. + (__SETXID_3): Likewise. + 2011-01-13 Ulrich Drepper [BZ #10484] diff --git a/nptl/sysdeps/pthread/setxid.h b/nptl/sysdeps/pthread/setxid.h index aebdbd2..043ffd2 100644 --- a/nptl/sysdeps/pthread/setxid.h +++ b/nptl/sysdeps/pthread/setxid.h @@ -1,4 +1,4 @@ -/* Copyright (C) 2004, 2007 Free Software Foundation, Inc. +/* Copyright (C) 2004, 2007, 2011 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -20,11 +20,11 @@ #include #define __SETXID_1(cmd, arg1) \ - cmd.id[0] = arg1 + cmd.id[0] = (long int) arg1 #define __SETXID_2(cmd, arg1, arg2) \ - __SETXID_1 (cmd, arg1); cmd.id[1] = arg2 + __SETXID_1 (cmd, arg1); cmd.id[1] = (long int) arg2 #define __SETXID_3(cmd, arg1, arg2, arg3) \ - __SETXID_2 (cmd, arg1, arg2); cmd.id[2] = arg3 + __SETXID_2 (cmd, arg1, arg2); cmd.id[2] = (long int) arg3 #ifdef SINGLE_THREAD # define INLINE_SETXID_SYSCALL(name, nr, args...) \ diff --git a/sysdeps/unix/sysv/linux/i386/setgroups.c b/sysdeps/unix/sysv/linux/i386/setgroups.c index 10f5b7c..42f7702 100644 --- a/sysdeps/unix/sysv/linux/i386/setgroups.c +++ b/sysdeps/unix/sysv/linux/i386/setgroups.c @@ -1,4 +1,5 @@ -/* Copyright (C) 1997,1998,2000,2002,2004,2006 Free Software Foundation, Inc. +/* Copyright (C) 1997,1998,2000,2002,2004,2006,2011 + Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -25,6 +26,7 @@ #include #include +#include #include #include @@ -44,7 +46,7 @@ int setgroups (size_t n, const gid_t *groups) { #if __ASSUME_32BITUIDS > 0 - return INLINE_SYSCALL (setgroups32, 2, n, CHECK_N (groups, n)); + return INLINE_SETXID_SYSCALL (setgroups32, 2, n, CHECK_N (groups, n)); #else if (n > (size_t) __sysconf (_SC_NGROUPS_MAX)) { @@ -62,7 +64,8 @@ setgroups (size_t n, const gid_t *groups) int result; int saved_errno = errno; - result = INLINE_SYSCALL (setgroups32, 2, n, CHECK_N (groups, n)); + result = INLINE_SETXID_SYSCALL (setgroups32, 2, n, + CHECK_N (groups, n)); if (result == 0 || errno != ENOSYS) return result; @@ -80,7 +83,8 @@ setgroups (size_t n, const gid_t *groups) } } - return INLINE_SYSCALL (setgroups, 2, n, CHECK_N (kernel_groups, n)); + return INLINE_SETXID_SYSCALL (setgroups, 2, n, + CHECK_N (kernel_groups, n)); } #endif } diff --git a/sysdeps/unix/sysv/linux/setgroups.c b/sysdeps/unix/sysv/linux/setgroups.c new file mode 100644 index 0000000..9649974 --- /dev/null +++ b/sysdeps/unix/sysv/linux/setgroups.c @@ -0,0 +1,37 @@ +/* Copyright (C) 1997,1998,2000,2002,2004,2006,2011 + Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include +#include +#include +#include + + +/* Set the group set for the current user to GROUPS (N of them). For + Linux we must convert the array of groups into the format that the + kernel expects. */ +int +setgroups (size_t n, const gid_t *groups) +{ +#ifdef __NR_setgroups32 +# error "wrong setgroups.c file used" +#endif + return INLINE_SETXID_SYSCALL (setgroups, 2, n, groups); +} +libc_hidden_def (setgroups) -- 2.7.4