-/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
-
+/* SPDX-License-Identifier: LGPL-2.1+ */
/***
- This file is part of systemd.
-
Copyright 2010 Lennart Poettering
-
- systemd is free software; you can redistribute it and/or modify it
- under the terms of the GNU Lesser General Public License as published by
- the Free Software Foundation; either version 2.1 of the License, or
- (at your option) any later version.
-
- systemd 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
- Lesser General Public License for more details.
-
- You should have received a copy of the GNU Lesser General Public License
- along with systemd; If not, see <http://www.gnu.org/licenses/>.
***/
-#include <unistd.h>
-#include <stdio.h>
#include <errno.h>
-#include <string.h>
-#include <stdlib.h>
+#include <stdio.h>
+#include <unistd.h>
-#ifdef HAVE_SELINUX
+#if HAVE_SELINUX
#include <selinux/selinux.h>
#endif
+#include "log.h"
+#include "macro.h"
#include "selinux-setup.h"
#include "selinux-util.h"
-#include "label.h"
-#include "mount-setup.h"
-#include "macro.h"
+#include "string-util.h"
#include "util.h"
-#include "log.h"
-#ifdef HAVE_SELINUX
+#if HAVE_SELINUX
+_printf_(2,3)
static int null_log(int type, const char *fmt, ...) {
return 0;
}
#endif
-int selinux_setup(bool *loaded_policy) {
+int mac_selinux_setup(bool *loaded_policy) {
-#ifdef HAVE_SELINUX
+#if HAVE_SELINUX
int enforce = 0;
usec_t before_load, after_load;
- security_context_t con;
+ char *con;
int r;
- union selinux_callback cb;
+ static const union selinux_callback cb = {
+ .func_log = null_log,
+ };
+
bool initialized = false;
assert(loaded_policy);
/* Turn off all of SELinux' own logging, we want to do that */
- cb.func_log = null_log;
selinux_set_callback(SELINUX_CB_LOG, cb);
/* Don't load policy in the initrd if we don't appear to have
before_load = now(CLOCK_MONOTONIC);
r = selinux_init_load_policy(&enforce);
if (r == 0) {
+ _cleanup_(mac_selinux_freep) char *label = NULL;
char timespan[FORMAT_TIMESPAN_MAX];
- char *label;
- retest_selinux();
+ mac_selinux_retest();
/* Transition to the new context */
r = mac_selinux_get_create_label_from_exe(SYSTEMD_BINARY_PATH, &label);
- if (r < 0 || label == NULL) {
+ if (r < 0 || !label) {
log_open();
log_error("Failed to compute init label, ignoring.");
} else {
- r = setcon(label);
+ r = setcon_raw(label);
log_open();
if (r < 0)
log_error("Failed to transition into init label '%s', ignoring.", label);
-
- mac_selinux_free(label);
}
after_load = now(CLOCK_MONOTONIC);
if (enforce > 0) {
if (!initialized) {
- log_error("Failed to load SELinux policy. Freezing.");
+ log_emergency("Failed to load SELinux policy.");
return -EIO;
}