-/*-*- 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 <assert.h>
#include <errno.h>
#include <string.h>
-#include <sys/types.h>
#include <unistd.h>
-#ifdef HAVE_AUDIT
+#if HAVE_AUDIT
#include <libaudit.h>
#endif
#include "sd-bus.h"
-#include "log.h"
-#include "macro.h"
-#include "util.h"
-#include "special.h"
-#include "utmp-wtmp.h"
-#include "bus-util.h"
+//#include "alloc-util.h"
#include "bus-error.h"
-#include "unit-name.h"
+//#include "bus-util.h"
+//#include "format-util.h"
+//#include "log.h"
+//#include "macro.h"
+#include "process-util.h"
+//#include "special.h"
+#include "strv.h"
+//#include "unit-name.h"
+//#include "util.h"
+#include "utmp-wtmp.h"
+/// Additional includes needed by elogind
+#include "string-util.h"
+#include "time-util.h"
+#include "update-utmp.h"
typedef struct Context {
sd_bus *bus;
-#ifdef HAVE_AUDIT
+#if HAVE_AUDIT
int audit_fd;
#endif
} Context;
+#if 0 /// UNNEEDED by elogind
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;
&error,
't', &t);
if (r < 0) {
- log_error("Failed to get timestamp: %s", bus_error_message(&error, -r));
+ log_error_errno(r, "Failed to get timestamp: %s", bus_error_message(&error, r));
return 0;
}
{ '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;
"ActiveState",
&error,
&state);
- if (r < 0) {
- log_warning("Failed to get state: %s", bus_error_message(&error, -r));
- return r;
- }
+ 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;
}
return 0;
}
+#endif // 0
static int on_reboot(Context *c) {
int r = 0, q;
/* 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) {
- log_error_errno(errno, "Failed to send audit message: %m");
- r = -errno;
+ r = log_error_errno(errno, "Failed to send audit message: %m");
}
#endif
+#if 0 /// systemd hasn't started the system, so elogind always uses NOW()
/* If this call fails it will return 0, which
* utmp_put_reboot() will then fix to the current time */
t = get_startup_time(c);
+#else
+ t = now(CLOCK_REALTIME);
+#endif // 0
q = utmp_put_reboot(t);
if (q < 0) {
/* 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) {
- log_error_errno(errno, "Failed to send audit message: %m");
- r = -errno;
+ r = log_error_errno(errno, "Failed to send audit message: %m");
}
#endif
return r;
}
+#if 0 /// UNNEEDED by elogind
static int on_runlevel(Context *c) {
int r = 0, q, previous, runlevel;
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;
runlevel > 0 ? runlevel : 'N') < 0)
return log_oom();
- if (audit_log_user_comm_message(c->audit_fd, AUDIT_SYSTEM_RUNLEVEL, s, "systemd-update-utmp", NULL, NULL, NULL, 1) < 0 &&
- errno != EPERM) {
- log_error_errno(errno, "Failed to send audit message: %m");
- r = -errno;
- }
+ if (audit_log_user_comm_message(c->audit_fd, AUDIT_SYSTEM_RUNLEVEL, s, "systemd-update-utmp", NULL, NULL, NULL, 1) < 0 && errno != EPERM)
+ r = log_error_errno(errno, "Failed to send audit message: %m");
}
#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;
}
return r;
}
+#endif // 0
+#if 0 /// elogind needs this to be a callable function
int main(int argc, char *argv[]) {
+#else
+void update_utmp(int argc, char* argv[]) {
+#endif // 0
Context c = {
-#ifdef HAVE_AUDIT
+#if HAVE_AUDIT
.audit_fd = -1
#endif
};
+#if 0 /// UNNEEDED by elogind
int r;
if (getppid() != 1) {
log_open();
umask(0022);
+#else
+ assert(2 == argc);
+ assert(argv[1]);
+#endif // 0
-#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_open_system_systemd(&c.bus);
+#if 0 /// UNNEEDED by elogind
+ 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;
}
- 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 = -EINVAL;
}
- log_debug("systemd-update-utmp stopped as pid "PID_FMT, getpid());
+ log_debug("systemd-update-utmp stopped as pid "PID_FMT, getpid_cached());
finish:
-#ifdef HAVE_AUDIT
+#else
+ if (streq(argv[1], "reboot"))
+ (void)on_reboot(&c);
+ else if (streq(argv[1], "shutdown"))
+ (void)on_shutdown(&c);
+#endif // 0
+#if HAVE_AUDIT
if (c.audit_fd >= 0)
audit_close(c.audit_fd);
#endif
- if (c.bus)
- sd_bus_unref(c.bus);
-
+#if 0 /// UNNEEDED by elogind
+ sd_bus_flush_close_unref(c.bus);
return r < 0 ? EXIT_FAILURE : EXIT_SUCCESS;
+#endif // 0
}