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

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old ID use setresuid and setresgid.
	(finish_drop_privileges): Likewise.
This commit is contained in:
Ulrich Drepper 2006-04-27 20:20:52 +00:00
parent a6375d1104
commit 464c9fadaf
2 changed files with 10 additions and 4 deletions
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6
ChangeLog
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@ -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.

8
nscd/connections.c
View file

@ -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");