tree-wide: drop 'This file is part of systemd' blurb

[thirdparty/systemd.git] / src / core / selinux-setup.c

diff --git a/src/core/selinux-setup.c b/src/core/selinux-setup.c
index b419a2710a071293251bc54fbb9b64112b3aea27..03744ae6db27ea657fad0a90cd3f6a266b5051fe 100644 (file)
--- a/src/core/selinux-setup.c
+++ b/src/core/selinux-setup.c
@@ -1,62 +1,46 @@
-/*-*- 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
@@ -81,24 +65,22 @@ int selinux_setup(bool *loaded_policy) {
         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 = label_get_create_label_from_exe(SYSTEMD_BINARY_PATH, &label);
-                if (r < 0 || label == NULL) {
+                r = mac_selinux_get_create_label_from_exe(SYSTEMD_BINARY_PATH, &label);
+                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);
-
-                        label_free(label);
                 }
 
                 after_load = now(CLOCK_MONOTONIC);
@@ -113,7 +95,7 @@ int selinux_setup(bool *loaded_policy) {
 
                 if (enforce > 0) {
                         if (!initialized) {
-                                log_error("Failed to load SELinux policy. Freezing.");
+                                log_emergency("Failed to load SELinux policy.");
                                 return -EIO;
                         }