#include <errno.h>
#include <string.h>
#include <unistd.h>
-#include <sys/capability.h>
-#include "sd-id128.h"
#include "sd-messages.h"
#include "sd-event.h"
#include "sd-bus.h"
#include "strv.h"
#include "def.h"
#include "clock-util.h"
-#include "conf-files.h"
#include "path-util.h"
#include "fileio-label.h"
-#include "label.h"
#include "bus-util.h"
-#include "bus-errors.h"
+#include "bus-error.h"
+#include "bus-common-errors.h"
#include "event-util.h"
+#include "selinux-util.h"
#define NULL_ADJTIME_UTC "0.0 0 0\n0\nUTC\n"
#define NULL_ADJTIME_LOCAL "0.0 0 0\n0\nLOCAL\n"
+static BUS_ERROR_MAP_ELF_REGISTER const sd_bus_error_map timedated_errors[] = {
+ SD_BUS_ERROR_MAP("org.freedesktop.timedate1.NoNTPSupport", EOPNOTSUPP),
+ SD_BUS_ERROR_MAP_END
+};
+
typedef struct Context {
char *zone;
bool local_rtc;
Hashmap *polkit_registry;
} Context;
-static void context_free(Context *c, sd_bus *bus) {
+static void context_free(Context *c) {
assert(c);
free(c->zone);
- bus_verify_polkit_async_registry_free(bus, c->polkit_registry);
+ bus_verify_polkit_async_registry_free(c->polkit_registry);
}
static int context_read_data(Context *c) {
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("Failed to get target of /etc/localtime: %s", strerror(-r));
+ log_warning_errno(r, "Failed to get target of /etc/localtime: %m");
} else {
const char *e;
}
}
- label_init("/etc");
+ mac_selinux_init("/etc");
return write_string_file_atomic_label("/etc/adjtime", w);
}
return 0;
}
-static int context_start_ntp(Context *c, sd_bus *bus, sd_bus_error *error) {
+static int context_start_ntp(sd_bus *bus, sd_bus_error *error, bool enabled) {
int r;
- assert(c);
assert(bus);
assert(error);
- if (c->use_ntp)
- r = sd_bus_call_method(
- bus,
- "org.freedesktop.systemd1",
- "/org/freedesktop/systemd1",
- "org.freedesktop.systemd1.Manager",
- "StartUnit",
- error,
- NULL,
- "ss",
- "systemd-timesyncd.service",
- "replace");
- else
- r = sd_bus_call_method(
- bus,
- "org.freedesktop.systemd1",
- "/org/freedesktop/systemd1",
- "org.freedesktop.systemd1.Manager",
- "StopUnit",
- error,
- NULL,
- "ss",
- "systemd-timesyncd.service",
- "replace");
-
+ r = sd_bus_call_method(
+ bus,
+ "org.freedesktop.systemd1",
+ "/org/freedesktop/systemd1",
+ "org.freedesktop.systemd1.Manager",
+ enabled ? "StartUnit" : "StopUnit",
+ error,
+ NULL,
+ "ss",
+ "systemd-timesyncd.service",
+ "replace");
if (r < 0) {
if (sd_bus_error_has_name(error, SD_BUS_ERROR_FILE_NOT_FOUND) ||
sd_bus_error_has_name(error, "org.freedesktop.systemd1.LoadFailed") ||
- sd_bus_error_has_name(error, "org.freedesktop.systemd1.NoSuchUnit")) {
- sd_bus_error_set_const(error, "org.freedesktop.timedate1.NoNTPSupport", "NTP not supported.");
- return -ENOTSUP;
- }
+ sd_bus_error_has_name(error, "org.freedesktop.systemd1.NoSuchUnit"))
+ return sd_bus_error_set_const(error, "org.freedesktop.timedate1.NoNTPSupport", "NTP not supported.");
return r;
}
return 0;
}
-static int context_enable_ntp(Context*c, sd_bus *bus, sd_bus_error *error) {
+static int context_enable_ntp(sd_bus *bus, sd_bus_error *error, bool enabled) {
int r;
- assert(c);
assert(bus);
assert(error);
- if (c->use_ntp)
+ if (enabled)
r = sd_bus_call_method(
bus,
"org.freedesktop.systemd1",
false);
if (r < 0) {
- if (sd_bus_error_has_name(error, SD_BUS_ERROR_FILE_NOT_FOUND)) {
- sd_bus_error_set_const(error, "org.freedesktop.timedate1.NoNTPSupport", "NTP not supported.");
- return -ENOTSUP;
- }
+ if (sd_bus_error_has_name(error, SD_BUS_ERROR_FILE_NOT_FOUND))
+ return sd_bus_error_set_const(error, "org.freedesktop.timedate1.NoNTPSupport", "NTP not supported.");
return r;
}
if (streq_ptr(z, c->zone))
return sd_bus_reply_method_return(m, NULL);
- r = bus_verify_polkit_async(bus, &c->polkit_registry, m, "org.freedesktop.timedate1.set-timezone", interactive, error, method_set_timezone, c);
+ r = bus_verify_polkit_async(
+ m,
+ CAP_SYS_TIME,
+ "org.freedesktop.timedate1.set-timezone",
+ interactive,
+ UID_INVALID,
+ &c->polkit_registry,
+ error);
if (r < 0)
return r;
if (r == 0)
/* 1. Write new configuration file */
r = context_write_data_timezone(c);
if (r < 0) {
- log_error("Failed to set time zone: %s", strerror(-r));
+ log_error_errno(r, "Failed to set time zone: %m");
return sd_bus_error_set_errnof(error, r, "Failed to set time zone: %s", strerror(-r));
}
}
log_struct(LOG_INFO,
- MESSAGE_ID(SD_MESSAGE_TIMEZONE_CHANGE),
+ LOG_MESSAGE_ID(SD_MESSAGE_TIMEZONE_CHANGE),
"TIMEZONE=%s", c->zone,
- "MESSAGE=Changed time zone to '%s'.", c->zone,
+ LOG_MESSAGE("Changed time zone to '%s'.", c->zone),
NULL);
sd_bus_emit_properties_changed(bus, "/org/freedesktop/timedate1", "org.freedesktop.timedate1", "Timezone", NULL);
if (lrtc == c->local_rtc)
return sd_bus_reply_method_return(m, NULL);
- r = bus_verify_polkit_async(bus, &c->polkit_registry, m, "org.freedesktop.timedate1.set-local-rtc", interactive, error, method_set_local_rtc, c);
+ r = bus_verify_polkit_async(
+ m,
+ CAP_SYS_TIME,
+ "org.freedesktop.timedate1.set-local-rtc",
+ interactive,
+ UID_INVALID,
+ &c->polkit_registry,
+ error);
if (r < 0)
return r;
if (r == 0)
/* 1. Write new configuration file */
r = context_write_data_local_rtc(c);
if (r < 0) {
- log_error("Failed to set RTC to local/UTC: %s", strerror(-r));
+ log_error_errno(r, "Failed to set RTC to local/UTC: %m");
return sd_bus_error_set_errnof(error, r, "Failed to set RTC to local/UTC: %s", strerror(-r));
}
Context *c = userdata;
int64_t utc;
struct timespec ts;
+ usec_t start;
struct tm* tm;
int r;
if (c->use_ntp)
return sd_bus_error_setf(error, BUS_ERROR_AUTOMATIC_TIME_SYNC_ENABLED, "Automatic time synchronization is enabled");
+ /* this only gets used if dbus does not provide a timestamp */
+ start = now(CLOCK_MONOTONIC);
+
r = sd_bus_message_read(m, "xbb", &utc, &relative, &interactive);
if (r < 0)
return r;
} else
timespec_store(&ts, (usec_t) utc);
- r = bus_verify_polkit_async(bus, &c->polkit_registry, m, "org.freedesktop.timedate1.set-time", interactive, error, method_set_time, c);
+ r = bus_verify_polkit_async(
+ m,
+ CAP_SYS_TIME,
+ "org.freedesktop.timedate1.set-time",
+ interactive,
+ UID_INVALID,
+ &c->polkit_registry,
+ error);
if (r < 0)
return r;
if (r == 0)
return 1;
+ /* adjust ts for time spent in program */
+ r = sd_bus_message_get_monotonic_usec(m, &start);
+ /* when sd_bus_message_get_monotonic_usec() returns -ENODATA it does not modify &start */
+ if (r < 0 && r != -ENODATA)
+ return r;
+
+ timespec_store(&ts, timespec_load(&ts) + (now(CLOCK_MONOTONIC) - start));
+
/* Set system clock */
if (clock_settime(CLOCK_REALTIME, &ts) < 0) {
- log_error("Failed to set local time: %m");
+ log_error_errno(errno, "Failed to set local time: %m");
return sd_bus_error_set_errnof(error, errno, "Failed to set local time: %m");
}
clock_set_hwclock(tm);
log_struct(LOG_INFO,
- MESSAGE_ID(SD_MESSAGE_TIME_CHANGE),
+ LOG_MESSAGE_ID(SD_MESSAGE_TIME_CHANGE),
"REALTIME="USEC_FMT, timespec_load(&ts),
- "MESSAGE=Changed local time to %s", ctime(&ts.tv_sec),
+ LOG_MESSAGE("Changed local time to %s", ctime(&ts.tv_sec)),
NULL);
return sd_bus_reply_method_return(m, NULL);
}
static int method_set_ntp(sd_bus *bus, sd_bus_message *m, void *userdata, sd_bus_error *error) {
- int ntp, interactive;
+ int enabled, interactive;
Context *c = userdata;
int r;
- r = sd_bus_message_read(m, "bb", &ntp, &interactive);
+ r = sd_bus_message_read(m, "bb", &enabled, &interactive);
if (r < 0)
return r;
- if ((bool)ntp == c->use_ntp)
+ if ((bool)enabled == c->use_ntp)
return sd_bus_reply_method_return(m, NULL);
- r = bus_verify_polkit_async(bus, &c->polkit_registry, m, "org.freedesktop.timedate1.set-ntp", interactive, error, method_set_ntp, c);
+ r = bus_verify_polkit_async(
+ m,
+ CAP_SYS_TIME,
+ "org.freedesktop.timedate1.set-ntp",
+ interactive,
+ UID_INVALID,
+ &c->polkit_registry,
+ error);
if (r < 0)
return r;
if (r == 0)
return 1;
- c->use_ntp = ntp;
-
- r = context_enable_ntp(c, bus, error);
+ r = context_enable_ntp(bus, error, enabled);
if (r < 0)
return r;
- r = context_start_ntp(c, bus, error);
+ r = context_start_ntp(bus, error, enabled);
if (r < 0)
return r;
- log_info("Set NTP to %s", c->use_ntp ? "enabled" : "disabled");
+ c->use_ntp = enabled;
+ log_info("Set NTP to %s", enabled ? "enabled" : "disabled");
sd_bus_emit_properties_changed(bus, "/org/freedesktop/timedate1", "org.freedesktop.timedate1", "NTP", NULL);
};
static int connect_bus(Context *c, sd_event *event, sd_bus **_bus) {
- _cleanup_bus_unref_ sd_bus *bus = NULL;
+ _cleanup_bus_close_unref_ sd_bus *bus = NULL;
int r;
assert(c);
assert(_bus);
r = sd_bus_default_system(&bus);
- if (r < 0) {
- log_error("Failed to get system bus connection: %s", strerror(-r));
- return r;
- }
+ if (r < 0)
+ return log_error_errno(r, "Failed to get system bus connection: %m");
r = sd_bus_add_object_vtable(bus, NULL, "/org/freedesktop/timedate1", "org.freedesktop.timedate1", timedate_vtable, c);
- if (r < 0) {
- log_error("Failed to register object: %s", strerror(-r));
- return r;
- }
+ if (r < 0)
+ return log_error_errno(r, "Failed to register object: %m");
r = sd_bus_request_name(bus, "org.freedesktop.timedate1", 0);
- if (r < 0) {
- log_error("Failed to register name: %s", strerror(-r));
- return r;
- }
+ if (r < 0)
+ return log_error_errno(r, "Failed to register name: %m");
r = sd_bus_attach_event(bus, event, 0);
- if (r < 0) {
- log_error("Failed to attach bus to event loop: %s", strerror(-r));
- return r;
- }
+ if (r < 0)
+ return log_error_errno(r, "Failed to attach bus to event loop: %m");
*_bus = bus;
bus = NULL;
int main(int argc, char *argv[]) {
Context context = {};
_cleanup_event_unref_ sd_event *event = NULL;
- _cleanup_bus_unref_ sd_bus *bus = NULL;
+ _cleanup_bus_close_unref_ sd_bus *bus = NULL;
int r;
log_set_target(LOG_TARGET_AUTO);
r = sd_event_default(&event);
if (r < 0) {
- log_error("Failed to allocate event loop: %s", strerror(-r));
+ log_error_errno(r, "Failed to allocate event loop: %m");
goto finish;
}
if (r < 0)
goto finish;
+ (void) sd_bus_negotiate_timestamp(bus, true);
+
r = context_read_data(&context);
if (r < 0) {
- log_error("Failed to read time zone data: %s", strerror(-r));
+ log_error_errno(r, "Failed to read time zone data: %m");
goto finish;
}
r = context_read_ntp(&context, bus);
if (r < 0) {
- log_error("Failed to determine whether NTP is enabled: %s", strerror(-r));
+ log_error_errno(r, "Failed to determine whether NTP is enabled: %m");
goto finish;
}
r = bus_event_loop_with_idle(event, bus, "org.freedesktop.timedate1", DEFAULT_EXIT_USEC, NULL, NULL);
if (r < 0) {
- log_error("Failed to run event loop: %s", strerror(-r));
+ log_error_errno(r, "Failed to run event loop: %m");
goto finish;
}
finish:
- context_free(&context, bus);
+ context_free(&context);
return r < 0 ? EXIT_FAILURE : EXIT_SUCCESS;
}