-/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
-
-/***
- 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/>.
-***/
+/* SPDX-License-Identifier: LGPL-2.1+ */
#include <errno.h>
#include <string.h>
+#include <sys/stat.h>
+#include <sys/types.h>
#include <unistd.h>
-#ifdef HAVE_AUDIT
+#if HAVE_AUDIT
#include <libaudit.h>
#endif
#include "sd-bus.h"
+#include "alloc-util.h"
+#include "bus-error.h"
+#include "bus-util.h"
+#include "format-util.h"
#include "log.h"
#include "macro.h"
-#include "util.h"
+#include "process-util.h"
#include "special.h"
-#include "utmp-wtmp.h"
-#include "bus-util.h"
-#include "bus-error.h"
+#include "strv.h"
#include "unit-name.h"
-#include "formats-util.h"
+#include "util.h"
+#include "utmp-wtmp.h"
typedef struct Context {
sd_bus *bus;
-#ifdef HAVE_AUDIT
+#if HAVE_AUDIT
int audit_fd;
#endif
} Context;
+static void context_clear(Context *c) {
+ assert(c);
+
+ c->bus = sd_bus_flush_close_unref(c->bus);
+#if HAVE_AUDIT
+ if (c->audit_fd >= 0)
+ audit_close(c->audit_fd);
+ c->audit_fd = -1;
+#endif
+}
+
static usec_t get_startup_time(Context *c) {
- _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
+ _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
usec_t t = 0;
int r;
{ '1', SPECIAL_RESCUE_TARGET },
};
- _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
+ _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
int r;
unsigned i;
if (r < 0)
return log_warning_errno(r, "Failed to get state: %s", bus_error_message(&error, r));
- if (streq(state, "active") || streq(state, "reloading"))
+ if (STR_IN_SET(state, "active", "reloading"))
return table[i].runlevel;
}
/* We finished start-up, so let's write the utmp
* record and send the audit msg */
-#ifdef HAVE_AUDIT
+#if HAVE_AUDIT
if (c->audit_fd >= 0)
if (audit_log_user_comm_message(c->audit_fd, AUDIT_SYSTEM_BOOT, "", "systemd-update-utmp", NULL, NULL, NULL, 1) < 0 &&
errno != EPERM) {
/* We started shut-down, so let's write the utmp
* record and send the audit msg */
-#ifdef HAVE_AUDIT
+#if HAVE_AUDIT
if (c->audit_fd >= 0)
if (audit_log_user_comm_message(c->audit_fd, AUDIT_SYSTEM_SHUTDOWN, "", "systemd-update-utmp", NULL, NULL, NULL, 1) < 0 &&
errno != EPERM) {
q = utmp_get_runlevel(&previous, NULL);
if (q < 0) {
- if (q != -ESRCH && q != -ENOENT)
+ if (!IN_SET(q, -ESRCH, -ENOENT))
return log_error_errno(q, "Failed to get current runlevel: %m");
previous = 0;
if (previous == runlevel)
return 0;
-#ifdef HAVE_AUDIT
+#if HAVE_AUDIT
if (c->audit_fd >= 0) {
_cleanup_free_ char *s = NULL;
#endif
q = utmp_put_runlevel(runlevel, previous);
- if (q < 0 && q != -ESRCH && q != -ENOENT) {
+ if (q < 0 && !IN_SET(q, -ESRCH, -ENOENT)) {
log_error_errno(q, "Failed to write utmp record: %m");
r = q;
}
}
int main(int argc, char *argv[]) {
- Context c = {
-#ifdef HAVE_AUDIT
+ _cleanup_(context_clear) Context c = {
+#if HAVE_AUDIT
.audit_fd = -1
#endif
};
return EXIT_FAILURE;
}
- log_set_target(LOG_TARGET_AUTO);
- log_parse_environment();
- log_open();
+ log_setup_service();
umask(0022);
-#ifdef HAVE_AUDIT
+#if HAVE_AUDIT
/* If the kernel lacks netlink or audit support,
* don't worry about it. */
c.audit_fd = audit_open();
- if (c.audit_fd < 0 && errno != EAFNOSUPPORT && errno != EPROTONOSUPPORT)
+ if (c.audit_fd < 0 && !IN_SET(errno, EAFNOSUPPORT, EPROTONOSUPPORT))
log_error_errno(errno, "Failed to connect to audit log: %m");
#endif
r = bus_connect_system_systemd(&c.bus);
if (r < 0) {
log_error_errno(r, "Failed to get D-Bus connection: %m");
- r = -EIO;
- goto finish;
+ return EXIT_FAILURE;
}
- log_debug("systemd-update-utmp running as pid "PID_FMT, getpid());
+ log_debug("systemd-update-utmp running as pid "PID_FMT, getpid_cached());
if (streq(argv[1], "reboot"))
r = on_reboot(&c);
r = on_runlevel(&c);
else {
log_error("Unknown command %s", argv[1]);
- r = -EINVAL;
+ return EXIT_FAILURE;
}
- log_debug("systemd-update-utmp stopped as pid "PID_FMT, getpid());
-
-finish:
-#ifdef HAVE_AUDIT
- if (c.audit_fd >= 0)
- audit_close(c.audit_fd);
-#endif
+ log_debug("systemd-update-utmp stopped as pid "PID_FMT, getpid_cached());
- sd_bus_unref(c.bus);
return r < 0 ? EXIT_FAILURE : EXIT_SUCCESS;
}