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2011-01-14 Ulrich Drepper <drepper@gmail.com>
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[BZ #10563]
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* sysdeps/unix/sysv/linux/i386/setgroups.c: Use INLINE_SETXID_SYSCALL
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to make the syscall.
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* sysdeps/unix/sysv/linux/setgroups.c: New file.
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b9ba6d |
2011-01-14 Ulrich Drepper <drepper@gmail.com>
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b9ba6d |
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b9ba6d |
[BZ #10563]
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* sysdeps/pthread/setxid.h (__SETXID_1): Add cast to assignment.
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(__SETXID_2): Likewise.
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(__SETXID_3): Likewise.
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Index: glibc-2.12-2-gc4ccff1/nptl/sysdeps/pthread/setxid.h
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===================================================================
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--- glibc-2.12-2-gc4ccff1.orig/nptl/sysdeps/pthread/setxid.h
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+++ glibc-2.12-2-gc4ccff1/nptl/sysdeps/pthread/setxid.h
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@@ -20,11 +20,11 @@
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#include <sysdep.h>
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#define __SETXID_1(cmd, arg1) \
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- cmd.id[0] = arg1
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+ cmd.id[0] = (long int) arg1
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#define __SETXID_2(cmd, arg1, arg2) \
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- __SETXID_1 (cmd, arg1); cmd.id[1] = arg2
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+ __SETXID_1 (cmd, arg1); cmd.id[1] = (long int) arg2
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#define __SETXID_3(cmd, arg1, arg2, arg3) \
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- __SETXID_2 (cmd, arg1, arg2); cmd.id[2] = arg3
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+ __SETXID_2 (cmd, arg1, arg2); cmd.id[2] = (long int) arg3
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#ifdef SINGLE_THREAD
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# define INLINE_SETXID_SYSCALL(name, nr, args...) \
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Index: glibc-2.12-2-gc4ccff1/sysdeps/unix/sysv/linux/i386/setgroups.c
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===================================================================
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--- glibc-2.12-2-gc4ccff1.orig/sysdeps/unix/sysv/linux/i386/setgroups.c
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+++ glibc-2.12-2-gc4ccff1/sysdeps/unix/sysv/linux/i386/setgroups.c
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@@ -25,6 +25,7 @@
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#include <sys/syscall.h>
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#include <bp-checks.h>
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+#include <setxid.h>
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#include <linux/posix_types.h>
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#include <kernel-features.h>
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@@ -44,7 +45,7 @@ int
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setgroups (size_t n, const gid_t *groups)
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{
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#if __ASSUME_32BITUIDS > 0
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- return INLINE_SYSCALL (setgroups32, 2, n, CHECK_N (groups, n));
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+ return INLINE_SETXID_SYSCALL (setgroups32, 2, n, CHECK_N (groups, n));
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#else
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if (n > (size_t) __sysconf (_SC_NGROUPS_MAX))
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{
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@@ -62,7 +63,8 @@ setgroups (size_t n, const gid_t *groups
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int result;
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int saved_errno = errno;
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- result = INLINE_SYSCALL (setgroups32, 2, n, CHECK_N (groups, n));
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+ result = INLINE_SETXID_SYSCALL (setgroups32, 2, n,
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+ CHECK_N (groups, n));
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if (result == 0 || errno != ENOSYS)
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return result;
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@@ -80,7 +82,8 @@ setgroups (size_t n, const gid_t *groups
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}
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}
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- return INLINE_SYSCALL (setgroups, 2, n, CHECK_N (kernel_groups, n));
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+ return INLINE_SETXID_SYSCALL (setgroups, 2, n,
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+ CHECK_N (kernel_groups, n));
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}
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#endif
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}
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Index: glibc-2.12-2-gc4ccff1/sysdeps/unix/sysv/linux/setgroups.c
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===================================================================
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--- /dev/null
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+++ glibc-2.12-2-gc4ccff1/sysdeps/unix/sysv/linux/setgroups.c
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@@ -0,0 +1,37 @@
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+/* Copyright (C) 1997,1998,2000,2002,2004,2006,2011
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+ Free Software Foundation, Inc.
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+ This file is part of the GNU C Library.
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+
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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 Lesser General Public
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+ License as published by the Free Software Foundation; either
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+ version 2.1 of the License, or (at your option) any later version.
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+
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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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+ Lesser General Public License for more details.
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+
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+ You should have received a copy of the GNU Lesser General Public
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+ License along with the GNU C Library; if not, write to the Free
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+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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+ 02111-1307 USA. */
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+
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+#include <errno.h>
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+#include <grp.h>
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+#include <setxid.h>
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+#include <sysdep.h>
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+
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+
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+/* Set the group set for the current user to GROUPS (N of them). For
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+ Linux we must convert the array of groups into the format that the
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+ kernel expects. */
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+int
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+setgroups (size_t n, const gid_t *groups)
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+{
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+#ifdef __NR_setgroups32
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+# error "wrong setgroups.c file used"
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+#endif
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+ return INLINE_SETXID_SYSCALL (setgroups, 2, n, groups);
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+}
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+libc_hidden_def (setgroups)
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