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/*
* Copyright (C) 2010-2011 Robert Ancell.
* Author: Robert Ancell <robert.ancell@canonical.com>
*
* This program is free software: you can redistribute it and/or modify it under
* the terms of the GNU General Public License as published by the Free Software
* Foundation, either version 3 of the License, or (at your option) any later
* version. See http://www.gnu.org/copyleft/gpl.html the full text of the
* license.
*/
/* for setres*id() */
#define _GNU_SOURCE
#include <config.h>
#include "privileges.h"
void
privileges_drop (User *user)
{
g_return_if_fail (user != NULL);
g_debug ("Dropping privileges to uid %i", user_get_uid (user));
#ifdef HAVE_SETRESGID
g_debug ("Calling setresgid");
g_assert (setresgid (user_get_gid (user), user_get_gid (user), -1) == 0);
#else
g_assert (setgid (user_get_gid (user)) == 0);
g_assert (setegid (user_get_gid (user)) == 0);
#endif
#ifdef HAVE_SETRESUID
g_debug ("Calling setresuid");
g_assert (setresuid (user_get_uid (user), user_get_uid (user), -1) == 0);
#else
g_assert (setuid (user_get_uid (user)) == 0);
g_assert (seteuid (user_get_uid (user)) == 0);
#endif
}
void
privileges_reclaim (void)
{
g_debug ("Restoring privileges");
#ifdef HAVE_SETRESUID
g_debug ("Calling setresuid");
g_assert (setresuid (0, 0, -1) == 0);
#else
g_assert (setuid (0) == 0);
g_assert (seteuid (0) == 0);
#endif
#ifdef HAVE_SETRESGID
g_debug ("Calling setresgid");
g_assert (setresgid (0, 0, -1) == 0);
#else
g_assert (setgid (0) == 0);
g_assert (setegid (0) == 0);
#endif
}
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