-/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
-
+/* SPDX-License-Identifier: LGPL-2.1+ */
/***
This file is part of systemd.
Copyright 2011 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 <errno.h>
#include <string.h>
#include <unistd.h>
-#include "sd-messages.h"
-#include "sd-event.h"
#include "sd-bus.h"
+#include "sd-event.h"
+#include "sd-messages.h"
-#include "util.h"
-#include "strv.h"
-#include "def.h"
+#include "alloc-util.h"
+#include "bus-common-errors.h"
+#include "bus-error.h"
+#include "bus-util.h"
#include "clock-util.h"
-#include "path-util.h"
+#include "def.h"
#include "fileio-label.h"
-#include "bus-util.h"
-#include "bus-error.h"
-#include "bus-common-errors.h"
-#include "event-util.h"
+#include "fs-util.h"
+#include "path-util.h"
#include "selinux-util.h"
+#include "strv.h"
+#include "user-util.h"
+#include "util.h"
#define NULL_ADJTIME_UTC "0.0 0 0\n0\nUTC\n"
#define NULL_ADJTIME_LOCAL "0.0 0 0\n0\nLOCAL\n"
assert(c);
- r = readlink_malloc("/etc/localtime", &t);
- if (r < 0) {
- if (r == -EINVAL)
- log_warning("/etc/localtime should be a symbolic link to a time zone data file in /usr/share/zoneinfo/.");
- else
- log_warning_errno(r, "Failed to get target of /etc/localtime: %m");
- } else {
- const char *e;
-
- e = path_startswith(t, "/usr/share/zoneinfo/");
- if (!e)
- e = path_startswith(t, "../usr/share/zoneinfo/");
-
- if (!e)
- log_warning("/etc/localtime should be a symbolic link to a time zone data file in /usr/share/zoneinfo/.");
- else {
- c->zone = strdup(e);
- if (!c->zone)
- return log_oom();
- }
- }
+ r = get_timezone(&t);
+ if (r == -EINVAL)
+ log_warning_errno(r, "/etc/localtime should be a symbolic link to a time zone data file in /usr/share/zoneinfo/.");
+ else if (r < 0)
+ log_warning_errno(r, "Failed to get target of /etc/localtime: %m");
- if (isempty(c->zone)) {
- free(c->zone);
- c->zone = NULL;
- }
+ free_and_replace(c->zone, t);
- c->local_rtc = clock_is_localtime() > 0;
+ c->local_rtc = clock_is_localtime(NULL) > 0;
return 0;
}
if (!w)
return -ENOMEM;
} else {
- char *p, *e;
+ char *p;
+ const char *e = "\n"; /* default if there is less than 3 lines */
+ const char *prepend = "";
size_t a, b;
- p = strchr(s, '\n');
- if (!p)
- return -EIO;
-
- p = strchr(p+1, '\n');
- if (!p)
- return -EIO;
-
- p++;
- e = strchr(p, '\n');
- if (!e)
- return -EIO;
+ p = strchrnul(s, '\n');
+ if (*p == '\0')
+ /* only one line, no \n terminator */
+ prepend = "\n0\n";
+ else if (p[1] == '\0') {
+ /* only one line, with \n terminator */
+ ++p;
+ prepend = "0\n";
+ } else {
+ p = strchr(p+1, '\n');
+ if (!p) {
+ /* only two lines, no \n terminator */
+ prepend = "\n";
+ p = s + strlen(s);
+ } else {
+ char *end;
+ /* third line might have a \n terminator or not */
+ p++;
+ end = strchr(p, '\n');
+ /* if we actually have a fourth line, use that as suffix "e", otherwise the default \n */
+ if (end)
+ e = end;
+ }
+ }
a = p - s;
b = strlen(e);
- w = new(char, a + (c->local_rtc ? 5 : 3) + b + 1);
+ w = new(char, a + (c->local_rtc ? 5 : 3) + strlen(prepend) + b + 1);
if (!w)
return -ENOMEM;
- *(char*) mempcpy(stpcpy(mempcpy(w, s, a), c->local_rtc ? "LOCAL" : "UTC"), e, b) = 0;
+ *(char*) mempcpy(stpcpy(stpcpy(mempcpy(w, s, a), prepend), c->local_rtc ? "LOCAL" : "UTC"), e, b) = 0;
if (streq(w, NULL_ADJTIME_UTC)) {
if (unlink("/etc/adjtime") < 0)
}
}
- mac_selinux_init("/etc");
+ mac_selinux_init();
return write_string_file_atomic_label("/etc/adjtime", w);
}
static int context_read_ntp(Context *c, sd_bus *bus) {
- _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
- _cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
+ _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
+ _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
const char *s;
int r;
m,
CAP_SYS_TIME,
"org.freedesktop.timedate1.set-timezone",
+ NULL,
interactive,
UID_INVALID,
&c->polkit_registry,
}
log_struct(LOG_INFO,
- LOG_MESSAGE_ID(SD_MESSAGE_TIMEZONE_CHANGE),
+ "MESSAGE_ID=" SD_MESSAGE_TIMEZONE_CHANGE_STR,
"TIMEZONE=%s", c->zone,
LOG_MESSAGE("Changed time zone to '%s'.", c->zone),
NULL);
m,
CAP_SYS_TIME,
"org.freedesktop.timedate1.set-local-rtc",
+ NULL,
interactive,
UID_INVALID,
&c->polkit_registry,
m,
CAP_SYS_TIME,
"org.freedesktop.timedate1.set-time",
+ NULL,
interactive,
UID_INVALID,
&c->polkit_registry,
clock_set_hwclock(tm);
log_struct(LOG_INFO,
- LOG_MESSAGE_ID(SD_MESSAGE_TIME_CHANGE),
+ "MESSAGE_ID=" SD_MESSAGE_TIME_CHANGE_STR,
"REALTIME="USEC_FMT, timespec_load(&ts),
LOG_MESSAGE("Changed local time to %s", ctime(&ts.tv_sec)),
NULL);
m,
CAP_SYS_TIME,
"org.freedesktop.timedate1.set-ntp",
+ NULL,
interactive,
UID_INVALID,
&c->polkit_registry,
return r;
c->use_ntp = enabled;
- log_info("Set NTP to %s", enabled ? "enabled" : "disabled");
+ log_info("Set NTP to %sd", enable_disable(enabled));
(void) sd_bus_emit_properties_changed(sd_bus_message_get_bus(m), "/org/freedesktop/timedate1", "org.freedesktop.timedate1", "NTP", NULL);
};
static int connect_bus(Context *c, sd_event *event, sd_bus **_bus) {
- _cleanup_bus_close_unref_ sd_bus *bus = NULL;
+ _cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL;
int r;
assert(c);
if (r < 0)
return log_error_errno(r, "Failed to register object: %m");
- r = sd_bus_request_name(bus, "org.freedesktop.timedate1", 0);
+ r = sd_bus_request_name_async(bus, NULL, "org.freedesktop.timedate1", 0, NULL, NULL);
if (r < 0)
- return log_error_errno(r, "Failed to register name: %m");
+ return log_error_errno(r, "Failed to request name: %m");
r = sd_bus_attach_event(bus, event, 0);
if (r < 0)
return log_error_errno(r, "Failed to attach bus to event loop: %m");
- *_bus = bus;
- bus = NULL;
+ *_bus = TAKE_PTR(bus);
return 0;
}
int main(int argc, char *argv[]) {
Context context = {};
- _cleanup_event_unref_ sd_event *event = NULL;
- _cleanup_bus_close_unref_ sd_bus *bus = NULL;
+ _cleanup_(sd_event_unrefp) sd_event *event = NULL;
+ _cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL;
int r;
log_set_target(LOG_TARGET_AUTO);