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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/seteuid.c
parent29e11320c90722aec6335a5f8d8af84d12ba3c6b (diff)
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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/seteuid.c')
-rw-r--r--sysdeps/unix/sysv/linux/seteuid.c30
1 files changed, 25 insertions, 5 deletions
diff --git a/sysdeps/unix/sysv/linux/seteuid.c b/sysdeps/unix/sysv/linux/seteuid.c
index a1832d64bc..da03a1e6ef 100644
--- a/sysdeps/unix/sysv/linux/seteuid.c
+++ b/sysdeps/unix/sysv/linux/seteuid.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1998, 1999, 2002, 2003 Free Software Foundation, Inc.
+/* Copyright (C) 1998, 1999, 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_setresuid || __ASSUME_SETRESUID_SYSCALL > 0
 
@@ -40,22 +42,40 @@ seteuid (uid_t uid)
     }
 
 # if __ASSUME_32BITUIDS > 0 && defined __NR_setresuid32
-  return INLINE_SYSCALL (setresuid32, 3, -1, uid, -1);
+  result = INLINE_SYSCALL (setresuid32, 3, -1, uid, -1);
 # else
   /* First try the syscall.  */
-  result = __setresuid (-1, uid, -1);
-# if __ASSUME_SETRESUID_SYSCALL == 0
+  result = INLINE_SYSCALL (setresuid, 3, -1, uid, -1);
+#  if __ASSUME_SETRESUID_SYSCALL == 0
   if (result == -1 && errno == ENOSYS)
     /* No system call available.  Use emulation.  This may not work
        since `setreuid' also sets the saved user ID when UID is not
        equal to the real user ID, making it impossible to switch back.  */
     result = __setreuid (-1, uid);
+#  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_setresuid32
+      cmd.syscall_no = __NR_setresuid32;
+# else
+      cmd.syscall_no = __NR_setresuid;
 # endif
+      cmd.id[0] = -1;
+      cmd.id[1] = uid;
+      cmd.id[2] = -1;
+      __libc_pthread_functions.ptr__nptl_setxid (&cmd);
+    }
+#endif
+
+  return result;
 }
+#ifndef seteuid
 libc_hidden_def (seteuid)
+#endif
 #else
 # include <sysdeps/unix/bsd/seteuid.c>
 #endif