2 * libcompat - system compatibility library
4 * Based on code from libselinux, Public Domain.
5 * Copyright © 2014 Guillem Jover <guillem@debian.org>
7 * This is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2 of the License, or
10 * (at your option) any later version.
12 * This is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with this program. If not, see <https://www.gnu.org/licenses/>.
26 #include <selinux/selinux.h>
27 #include <selinux/context.h>
32 setexecfilecon(const char *filename
, const char *fallback
)
36 security_context_t curcon
= NULL
, newcon
= NULL
, filecon
= NULL
;
37 security_class_t seclass
;
38 context_t tmpcon
= NULL
;
40 if (is_selinux_enabled() < 1)
47 rc
= getfilecon(filename
, &filecon
);
51 seclass
= string_to_security_class("process");
55 rc
= security_compute_create(curcon
, filecon
, seclass
, &newcon
);
59 if (strcmp(curcon
, newcon
) == 0) {
60 /* No default transition, use fallback for now. */
62 tmpcon
= context_new(curcon
);
65 if (context_type_set(tmpcon
, fallback
))
68 newcon
= strdup(context_str(tmpcon
));
73 rc
= setexeccon(newcon
);
76 if (rc
< 0 && security_getenforce() == 0)