about summary refs log tree commit diff
path: root/sysdeps/unix/sysv/linux/i386/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/i386/setegid.c
parent29e11320c90722aec6335a5f8d8af84d12ba3c6b (diff)
downloadglibc-2edb61e3f955bfcc9dd3cb6b3b1acfe4806234a6.tar.gz
glibc-2edb61e3f955bfcc9dd3cb6b3b1acfe4806234a6.tar.xz
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/i386/setegid.c')
-rw-r--r--sysdeps/unix/sysv/linux/i386/setegid.c28
1 files changed, 24 insertions, 4 deletions
diff --git a/sysdeps/unix/sysv/linux/i386/setegid.c b/sysdeps/unix/sysv/linux/i386/setegid.c
index fcd6cf1827..b8682e3681 100644
--- a/sysdeps/unix/sysv/linux/i386/setegid.c
+++ b/sysdeps/unix/sysv/linux/i386/setegid.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1995-1998, 2000, 2002, 2003 Free Software Foundation, Inc.
+/* Copyright (C) 1995-1998,2000,2002,2003,2004 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
@@ -22,6 +22,7 @@
 
 #include <sysdep.h>
 #include "kernel-features.h"
+#include <pthread-functions.h>
 
 
 #ifdef __NR_setresgid
@@ -32,10 +33,17 @@ int
 setegid (gid)
      gid_t gid;
 {
+  int result;
+
+  if (gid == (gid_t) ~0)
+    {
+      __set_errno (EINVAL);
+      return -1;
+    }
+
 #if __ASSUME_32BITUIDS > 0
-  return INLINE_SYSCALL (setresgid32, 3, -1, gid, -1);
+  result = INLINE_SYSCALL (setresgid32, 3, -1, gid, -1);
 #else
-  int result;
   /* First try the syscall.  */
 # ifdef __NR_setresgid
   result = __setresgid (-1, gid, -1);
@@ -49,8 +57,20 @@ setegid (gid)
        equal to the real user ID, making it impossible to switch back.  */
 # endif
     result = __setregid (-1, gid);
+#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;
+      cmd.syscall_no = __NR_setresgid32;
+      cmd.id[0] = -1;
+      cmd.id[1] = gid;
+      cmd.id[2] = -1;
+      __libc_pthread_functions.ptr__nptl_setxid (&cmd);
+    }
 #endif
+
+  return result;
 }
 libc_hidden_def (setegid)