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-rw-r--r--sysdeps/mach/hurd/setuid.c34
1 files changed, 18 insertions, 16 deletions
diff --git a/sysdeps/mach/hurd/setuid.c b/sysdeps/mach/hurd/setuid.c
index c2491d6d13..2b6d4c56a3 100644
--- a/sysdeps/mach/hurd/setuid.c
+++ b/sysdeps/mach/hurd/setuid.c
@@ -1,22 +1,21 @@
-/* Copyright (C) 1991, 1992, 1993, 1994, 1995 Free Software Foundation, Inc.
-This file is part of the GNU C Library.
+/* Copyright (C) 1991, 92, 93, 94, 95, 97 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 Library General Public License as
-published by the Free Software Foundation; either version 2 of the
-License, or (at your option) any later version.
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public License as
+   published by the Free Software Foundation; either version 2 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
-Library General Public License for more details.
+   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
+   Library General Public License for more details.
 
-You should have received a copy of the GNU Library General Public
-License along with the GNU C Library; see the file COPYING.LIB.  If
-not, write to the Free Software Foundation, Inc., 675 Mass Ave,
-Cambridge, MA 02139, USA.  */
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
 
-#include <ansidecl.h>
 #include <errno.h>
 #include <unistd.h>
 #include <sys/types.h>
@@ -29,7 +28,8 @@ Cambridge, MA 02139, USA.  */
    and effective user IDs, and the saved set-user-ID to UID;
    if not, the effective user ID is set to UID.  */
 int
-DEFUN(__setuid, (uid), uid_t uid)
+__setuid (uid)
+     uid_t uid;
 {
   auth_t newauth;
   error_t err;
@@ -71,6 +71,8 @@ DEFUN(__setuid, (uid), uid_t uid)
       else
 	{
 	  /* We are not root; just change the effective UID.  */
+	  /* XXX that implies an unprivileged setuid(0) will give
+	     the caller root, no questions asked! */
 	  _hurd_id.gen.uids[0] = uid;
 	  _hurd_id.valid = 0;
 	  newgen = _hurd_id.gen.uids;