* nscd/connections.c (restart): If we want to switch back to the

	old ID use setresuid and setresgid.
	(finish_drop_privileges): Likewise.

diff --git a/ChangeLog b/ChangeLog
index 1c1180c..ea5e1ab 100644 (file)
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+2006-04-27  Ulrich Drepper  <drepper@redhat.com>
+
+       * nscd/connections.c (restart): If we want to switch back to the
+       old ID use setresuid and setresgid.
+       (finish_drop_privileges): Likewise.
+
 2006-04-27  Jakub Jelinek  <jakub@redhat.com>
 
        * nscd/nscd.conf: Fix a typo.

diff --git a/nscd/connections.c b/nscd/connections.c
index 814d1c7..0de7945 100644 (file)
--- a/nscd/connections.c
+++ b/nscd/connections.c
@@ -1176,7 +1176,7 @@ cannot open /proc/self/cmdline: %s; disabling paranoia mode"),
   /* Second, change back to the old user if we changed it.  */
   if (server_user != NULL)
     {
-      if (setuid (old_uid) != 0)
+      if (setresuid (old_uid, old_uid, old_uid) != 0)
        {
          dbg_log (_("\
 cannot change to old UID: %s; disabling paranoia mode"),
@@ -1186,7 +1186,7 @@ cannot change to old UID: %s; disabling paranoia mode"),
          return;
        }
 
-      if (setgid (old_gid) != 0)
+      if (setresgid (old_gid, old_gid, old_gid) != 0)
        {
          dbg_log (_("\
 cannot change to old GID: %s; disabling paranoia mode"),
@@ -1873,14 +1873,14 @@ finish_drop_privileges (void)
       error (EXIT_FAILURE, errno, _("setgroups failed"));
     }
 
-  if (setgid (server_gid) == -1)
+  if (setresgid (server_gid, server_gid, old_gid) == -1)
     {
       dbg_log (_("Failed to run nscd as user '%s'"), server_user);
       perror ("setgid");
       exit (4);
     }
 
-  if (setuid (server_uid) == -1)
+  if (setresuid (server_uid, server_uid, old_uid) == -1)
     {
       dbg_log (_("Failed to run nscd as user '%s'"), server_user);
       perror ("setuid");