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/*
SSSD
Kerberos 5 Backend Module -- Utilities
Authors:
Sumit Bose <sbose@redhat.com>
Copyright (C) 2009 Red Hat
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.
This program 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <sys/types.h>
#include <unistd.h>
#include "util/util.h"
errno_t become_user(uid_t uid, gid_t gid)
{
int ret;
DEBUG(SSSDBG_FUNC_DATA, ("Trying to become user [%d][%d].\n", uid, gid));
ret = setgid(gid);
if (ret == -1) {
ret = errno;
DEBUG(SSSDBG_CRIT_FAILURE,
("setgid failed [%d][%s].\n", ret, strerror(ret)));
return ret;
}
ret = setuid(uid);
if (ret == -1) {
ret = errno;
DEBUG(SSSDBG_CRIT_FAILURE,
("setuid failed [%d][%s].\n", ret, strerror(ret)));
return ret;
}
ret = setegid(gid);
if (ret == -1) {
ret = errno;
DEBUG(SSSDBG_CRIT_FAILURE,
("setegid failed [%d][%s].\n", ret, strerror(ret)));
return ret;
}
ret = seteuid(uid);
if (ret == -1) {
ret = errno;
DEBUG(SSSDBG_CRIT_FAILURE,
("seteuid failed [%d][%s].\n", ret, strerror(ret)));
return ret;
}
return EOK;
}
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