#include <errno.h>
#include <string.h>
#include <unistd.h>
+#include <sys/capability.h>
#include "sd-id128.h"
#include "sd-messages.h"
#include "fileio-label.h"
#include "label.h"
#include "bus-util.h"
+#include "bus-errors.h"
#include "event-util.h"
#define NULL_ADJTIME_UTC "0.0 0 0\n0\nUTC\n"
typedef struct Context {
char *zone;
bool local_rtc;
- unsigned can_ntp;
- unsigned use_ntp;
+ bool can_ntp;
+ bool use_ntp;
Hashmap *polkit_registry;
} Context;
-static void context_reset(Context *c) {
+static void context_free(Context *c) {
assert(c);
free(c->zone);
- c->zone = NULL;
-
- c->local_rtc = false;
- c->can_ntp = c->use_ntp = -1;
-}
-
-static void context_free(Context *c, sd_bus *bus) {
- assert(c);
-
- context_reset(c);
- bus_verify_polkit_async_registry_free(bus, c->polkit_registry);
-}
-
-static bool valid_timezone(const char *name) {
- const char *p;
- char *t;
- bool slash = false;
- int r;
- struct stat st;
-
- assert(name);
-
- if (*name == '/' || *name == 0)
- return false;
-
- for (p = name; *p; p++) {
- if (!(*p >= '0' && *p <= '9') &&
- !(*p >= 'a' && *p <= 'z') &&
- !(*p >= 'A' && *p <= 'Z') &&
- !(*p == '-' || *p == '_' || *p == '+' || *p == '/'))
- return false;
-
- if (*p == '/') {
-
- if (slash)
- return false;
-
- slash = true;
- } else
- slash = false;
- }
-
- if (slash)
- return false;
-
- t = strappend("/usr/share/zoneinfo/", name);
- if (!t)
- return false;
-
- r = stat(t, &st);
- free(t);
-
- if (r < 0)
- return false;
-
- if (!S_ISREG(st.st_mode))
- return false;
-
- return true;
+ bus_verify_polkit_async_registry_free(c->polkit_registry);
}
static int context_read_data(Context *c) {
assert(c);
- context_reset(c);
-
r = readlink_malloc("/etc/localtime", &t);
if (r < 0) {
if (r == -EINVAL)
return write_string_file_atomic_label("/etc/adjtime", w);
}
-static char** get_ntp_services(void) {
- _cleanup_strv_free_ char **r = NULL, **files = NULL;
- char **i;
- int k;
-
- k = conf_files_list(&files, ".list", NULL,
- "/etc/systemd/ntp-units.d",
- "/run/systemd/ntp-units.d",
- "/usr/local/lib/systemd/ntp-units.d",
- "/usr/lib/systemd/ntp-units.d",
- NULL);
- if (k < 0)
- return NULL;
-
- STRV_FOREACH(i, files) {
- _cleanup_fclose_ FILE *f;
-
- f = fopen(*i, "re");
- if (!f)
- continue;
-
- for (;;) {
- char line[PATH_MAX], *l;
-
- if (!fgets(line, sizeof(line), f)) {
- if (ferror(f))
- log_error("Failed to read NTP unit file: %m");
-
- break;
- }
-
- l = strstrip(line);
- if (l[0] == 0 || l[0] == '#')
- continue;
-
- if (strv_extend(&r, l) < 0) {
- log_oom();
- return NULL;
- }
- }
- }
-
- i = r;
- r = NULL; /* avoid cleanup */
-
- return strv_uniq(i);
-}
-
static int context_read_ntp(Context *c, sd_bus *bus) {
- _cleanup_strv_free_ char **l;
- char **i;
+ _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
+ sd_bus_message *reply = NULL;
+ const char *s;
int r;
assert(c);
assert(bus);
- l = get_ntp_services();
- STRV_FOREACH(i, l) {
- _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
- sd_bus_message *reply = NULL;
- const char *s;
-
- r = sd_bus_call_method(
- bus,
- "org.freedesktop.systemd1",
- "/org/freedesktop/systemd1",
- "org.freedesktop.systemd1.Manager",
- "GetUnitFileState",
- &error,
- &reply,
- "s",
- *i);
-
- if (r < 0) {
- /* This implementation does not exist. Try the next one. */
- if (sd_bus_error_has_name(&error, SD_BUS_ERROR_FILE_NOT_FOUND))
- continue;
-
- return r;
- }
-
- r = sd_bus_message_read(reply, "s", &s);
- if (r < 0)
- return r;
+ r = sd_bus_call_method(
+ bus,
+ "org.freedesktop.systemd1",
+ "/org/freedesktop/systemd1",
+ "org.freedesktop.systemd1.Manager",
+ "GetUnitFileState",
+ &error,
+ &reply,
+ "s",
+ "systemd-timesyncd.service");
- c->can_ntp = 1;
- c->use_ntp =
- streq(s, "enabled") ||
- streq(s, "enabled-runtime");
+ 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"))
+ return 0;
- return 0;
+ return r;
}
- /* NTP is not installed. */
- c->can_ntp = 0;
- c->use_ntp = 0;
+ r = sd_bus_message_read(reply, "s", &s);
+ if (r < 0)
+ return r;
+
+ c->can_ntp = true;
+ c->use_ntp = STR_IN_SET(s, "enabled", "enabled-runtime");
return 0;
}
static int context_start_ntp(Context *c, sd_bus *bus, sd_bus_error *error) {
- _cleanup_strv_free_ char **l = NULL;
- char **i;
int r;
assert(c);
assert(bus);
assert(error);
- l = get_ntp_services();
- STRV_FOREACH(i, l) {
-
- if (c->use_ntp)
- r = sd_bus_call_method(
- bus,
- "org.freedesktop.systemd1",
- "/org/freedesktop/systemd1",
- "org.freedesktop.systemd1.Manager",
- "StartUnit",
- error,
- NULL,
- "ss", *i, "replace");
- else
- r = sd_bus_call_method(
- bus,
- "org.freedesktop.systemd1",
- "/org/freedesktop/systemd1",
- "org.freedesktop.systemd1.Manager",
- "StopUnit",
- error,
- NULL,
- "ss", *i, "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")) {
- /* This implementation does not exist. Try the next one. */
- sd_bus_error_free(error);
- continue;
- }
+ 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");
- return r;
+ 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;
}
- return 1;
+ return r;
}
- sd_bus_error_set_const(error, "org.freedesktop.timedate1.NoNTPSupport", "NTP not supported.");
- return -ENOTSUP;
+ return 0;
}
static int context_enable_ntp(Context*c, sd_bus *bus, sd_bus_error *error) {
- _cleanup_strv_free_ char **l = NULL;
- char **i;
int r;
assert(c);
assert(bus);
assert(error);
- l = get_ntp_services();
- STRV_FOREACH(i, l) {
- if (c->use_ntp)
- r = sd_bus_call_method(
- bus,
- "org.freedesktop.systemd1",
- "/org/freedesktop/systemd1",
- "org.freedesktop.systemd1.Manager",
- "EnableUnitFiles",
- error,
- NULL,
- "asbb", 1, *i, false, true);
- else
- r = sd_bus_call_method(
- bus,
- "org.freedesktop.systemd1",
- "/org/freedesktop/systemd1",
- "org.freedesktop.systemd1.Manager",
- "DisableUnitFiles",
- error,
- NULL,
- "asb", 1, *i, false);
-
- if (r < 0) {
- if (sd_bus_error_has_name(error, SD_BUS_ERROR_FILE_NOT_FOUND)) {
- /* This implementation does not exist. Try the next one. */
- sd_bus_error_free(error);
- continue;
- }
-
- return r;
- }
-
+ if (c->use_ntp)
r = sd_bus_call_method(
bus,
"org.freedesktop.systemd1",
"/org/freedesktop/systemd1",
"org.freedesktop.systemd1.Manager",
- "Reload",
+ "EnableUnitFiles",
error,
NULL,
- NULL);
- if (r < 0)
- return r;
+ "asbb", 1,
+ "systemd-timesyncd.service",
+ false, true);
+ else
+ r = sd_bus_call_method(
+ bus,
+ "org.freedesktop.systemd1",
+ "/org/freedesktop/systemd1",
+ "org.freedesktop.systemd1.Manager",
+ "DisableUnitFiles",
+ error,
+ NULL,
+ "asb", 1,
+ "systemd-timesyncd.service",
+ false);
- return 1;
+ 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;
+ }
+
+ return r;
}
- sd_bus_error_set_const(error, "org.freedesktop.timedate1.NoNTPSupport", "NTP not supported.");
- return -ENOTSUP;
+ r = sd_bus_call_method(
+ bus,
+ "org.freedesktop.systemd1",
+ "/org/freedesktop/systemd1",
+ "org.freedesktop.systemd1.Manager",
+ "Reload",
+ error,
+ NULL,
+ NULL);
+ if (r < 0)
+ return r;
+
+ return 0;
}
static int property_get_rtc_time(
if (r < 0)
return r;
- if (!valid_timezone(z))
+ if (!timezone_is_valid(z))
return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid time zone '%s'", z);
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(bus, &c->polkit_registry, m, CAP_SYS_TIME, "org.freedesktop.timedate1.set-timezone", interactive, error, method_set_timezone, c);
if (r < 0)
return r;
if (r == 0)
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(bus, &c->polkit_registry, m, CAP_SYS_TIME, "org.freedesktop.timedate1.set-local-rtc", interactive, error, method_set_local_rtc, c);
if (r < 0)
return r;
if (r == 0)
assert(m);
assert(c);
+ if (c->use_ntp)
+ return sd_bus_error_setf(error, BUS_ERROR_AUTOMATIC_TIME_SYNC_ENABLED, "Automatic time synchronization is enabled");
+
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(bus, &c->polkit_registry, m, CAP_SYS_TIME, "org.freedesktop.timedate1.set-time", interactive, error, method_set_time, c);
if (r < 0)
return r;
if (r == 0)
if ((bool)ntp == 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(bus, &c->polkit_registry, m, CAP_SYS_TIME, "org.freedesktop.timedate1.set-ntp", interactive, error, method_set_ntp, c);
if (r < 0)
return r;
if (r == 0)
return sd_bus_reply_method_return(m, NULL);
}
-#include <sys/capability.h>
-
static const sd_bus_vtable timedate_vtable[] = {
SD_BUS_VTABLE_START(0),
SD_BUS_PROPERTY("Timezone", "s", NULL, offsetof(Context, zone), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
- SD_BUS_PROPERTY("LocalRTC", "b", NULL, offsetof(Context, local_rtc), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
- SD_BUS_PROPERTY("CanNTP", "b", bus_property_get_tristate, offsetof(Context, can_ntp), 0),
- SD_BUS_PROPERTY("NTP", "b", bus_property_get_tristate, offsetof(Context, use_ntp), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
+ SD_BUS_PROPERTY("LocalRTC", "b", bus_property_get_bool, offsetof(Context, local_rtc), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
+ SD_BUS_PROPERTY("CanNTP", "b", bus_property_get_bool, offsetof(Context, can_ntp), 0),
+ SD_BUS_PROPERTY("NTP", "b", bus_property_get_bool, offsetof(Context, use_ntp), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
SD_BUS_PROPERTY("NTPSynchronized", "b", property_get_ntp_sync, 0, 0),
SD_BUS_PROPERTY("TimeUSec", "t", property_get_time, 0, 0),
SD_BUS_PROPERTY("RTCTimeUSec", "t", property_get_rtc_time, 0, 0),
};
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);
}
int main(int argc, char *argv[]) {
- Context context = {
- .zone = NULL,
- .local_rtc = false,
- .can_ntp = -1,
- .use_ntp = -1,
- };
-
+ 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);
}
finish:
- context_free(&context, bus);
+ context_free(&context);
return r < 0 ? EXIT_FAILURE : EXIT_SUCCESS;
}
~ianmdlvl / elogind.git / blobdiff