aboutsummaryrefslogtreecommitdiff
path: root/sysdeps/unix/sysv/linux/setegid.c
diff options
context:
space:
mode:
authorUlrich Drepper <drepper@redhat.com>2004-09-20 00:16:11 +0000
committerUlrich Drepper <drepper@redhat.com>2004-09-20 00:16:11 +0000
commit2edb61e3f955bfcc9dd3cb6b3b1acfe4806234a6 (patch)
treeeb3ba83120d92a0ea9955520f2df4e00a22bc884 /sysdeps/unix/sysv/linux/setegid.c
parent29e11320c90722aec6335a5f8d8af84d12ba3c6b (diff)
downloadglibc-2edb61e3f955bfcc9dd3cb6b3b1acfe4806234a6.tar
glibc-2edb61e3f955bfcc9dd3cb6b3b1acfe4806234a6.tar.gz
glibc-2edb61e3f955bfcc9dd3cb6b3b1acfe4806234a6.tar.bz2
glibc-2edb61e3f955bfcc9dd3cb6b3b1acfe4806234a6.zip
Update.
* sysdeps/unix/sysv/linux/setegid.c [HAVE_PTR__NPTL_SETXID]: Call callback to set IDs in all other threads as well. * sysdeps/unix/sysv/linux/seteuid.c: Likewise. * sysdeps/unix/sysv/linux/i386/setegid.c: Likewise. * sysdeps/unix/sysv/linux/i386/seteuid.c: Likewise. * sysdeps/unix/sysv/linux/i386/setgid.c: Likewise. * sysdeps/unix/sysv/linux/i386/setuid.c: Likewise. * sysdeps/unix/sysv/linux/i386/setreuid.c: Likewise. * sysdeps/unix/sysv/linux/i386/setreuid.c: Likewise. * sysdeps/unix/sysv/linux/i386/setresuid.c: Likewise. * sysdeps/unix/sysv/linux/i386/setresuid.c: Likewise. * sysdeps/unix/sysv/linux/setuid.c: New file. * sysdeps/unix/sysv/linux/setgid.c: New file. * sysdeps/unix/sysv/linux/setreuid.c: New file. * sysdeps/unix/sysv/linux/setregid.c: New file. * sysdeps/unix/sysv/linux/setresuid.c: New file. * sysdeps/unix/sysv/linux/setresgid.c: New file. * sysdeps/unix/sysv/linux/i386/sysdep.h: Define INTERNAL_SYSCALL_NCS. * sysdeps/unix/sysv/linux/ia64/sysdep.h: Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc32/sysdep.h: Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc64/sysdep.h: Likewise. * sysdeps/unix/sysv/linux/x86_64/sysdep.h: Likewise. * sysdeps/unix/sysv/linux/sparc/sparc32/setegid.c: Use x86 version. * sysdeps/unix/sysv/linux/sparc/sparc32/seteuid.c: Likewise. * sysdeps/unix/sysv/linux/sparc/sparc32/setresgid.c: New file. * sysdeps/unix/sysv/linux/sparc/sparc32/setresuid.c: New file. * sysdeps/unix/sysv/linux/sparc/sparc32/syscalls.list: Remove setresgid and setresuid. * nscd/aicache.c: Use pthread_seteuid_np instead of seteuid. * nscd/grpcache.c: Likewise. * nscd/hstcache.c: Likewise. * nscd/pwdcache.c: Likewise.
Diffstat (limited to 'sysdeps/unix/sysv/linux/setegid.c')
-rw-r--r--sysdeps/unix/sysv/linux/setegid.c28
1 files changed, 24 insertions, 4 deletions
diff --git a/sysdeps/unix/sysv/linux/setegid.c b/sysdeps/unix/sysv/linux/setegid.c
index 34e64a3dee..33e91c773a 100644
--- a/sysdeps/unix/sysv/linux/setegid.c
+++ b/sysdeps/unix/sysv/linux/setegid.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1998, 2000, 2002, 2003 Free Software Foundation, Inc.
+/* Copyright (C) 1998, 2000, 2002, 2003, 2004 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
@@ -23,6 +23,8 @@
#include <sysdep.h>
#include "kernel-features.h"
+#include <pthread-functions.h>
+
#if defined __NR_setresgid || __ASSUME_SETRESGID_SYSCALL > 0
@@ -40,10 +42,10 @@ setegid (gid_t gid)
}
# if __ASSUME_32BITUIDS > 0 && defined __NR_setresgid32
- return INLINE_SYSCALL (setresgid32, 3, -1, gid, -1);
+ result = INLINE_SYSCALL (setresgid32, 3, -1, gid, -1);
# else
/* First try the syscall. */
- result = __setresgid (-1, gid, -1);
+ result = INLINE_SYSCALL (setresgid, 3, -1, gid, -1);
# if __ASSUME_SETRESGID_SYSCALL == 0
if (result == -1 && errno == ENOSYS)
/* No system call available. Use emulation. This may not work
@@ -51,11 +53,29 @@ setegid (gid_t gid)
equal to the real group ID, making it impossible to switch back. */
result = __setregid (-1, gid);
# endif
+# endif
- return result;
+#if defined HAVE_PTR__NPTL_SETXID && !defined SINGLE_THREAD
+ if (result == 0 && __libc_pthread_functions.ptr__nptl_setxid != NULL)
+ {
+ struct xid_command cmd;
+# ifdef __NR_setresgid32
+ cmd.syscall_no = __NR_setresgid32;
+# else
+ cmd.syscall_no = __NR_setresgid;
# endif
+ cmd.id[0] = -1;
+ cmd.id[1] = gid;
+ cmd.id[2] = -1;
+ __libc_pthread_functions.ptr__nptl_setxid (&cmd);
+ }
+#endif
+
+ return result;
}
+#ifndef setegid
libc_hidden_def (setegid)
+#endif
#else
# include <sysdeps/unix/bsd/setegid.c>
#endif