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-rw-r--r--src/timedate/ntp-units4
-rw-r--r--src/timedate/timedated.c321
2 files changed, 213 insertions, 112 deletions
diff --git a/src/timedate/ntp-units b/src/timedate/ntp-units
new file mode 100644
index 0000000000..6fdef44edb
--- /dev/null
+++ b/src/timedate/ntp-units
@@ -0,0 +1,4 @@
+# NTP ervice implementations, in order for preference
+
+chronyd.service
+ntpd.service
diff --git a/src/timedate/timedated.c b/src/timedate/timedated.c
index 8316bc3ea2..4be7c3a997 100644
--- a/src/timedate/timedated.c
+++ b/src/timedate/timedated.c
@@ -303,62 +303,112 @@ static int write_data_local_rtc(void) {
return r;
}
+static char** get_ntp_services(void) {
+ char **r = NULL;
+ FILE *f;
+
+ f = fopen(SYSTEMD_NTP_UNITS, "re");
+ if (!f)
+ return NULL;
+
+ for (;;) {
+ char line[PATH_MAX], *l, **q;
+
+ if (!fgets(line, sizeof(line), f)) {
+
+ if (ferror(f))
+ log_error("Failed to read NTP units file: %m");
+
+ break;
+ }
+
+ l = strstrip(line);
+ if (l[0] == 0 || l[0] == '#')
+ continue;
+
+
+ q = strv_append(r, l);
+ if (!q) {
+ log_error("Out of memory");
+ break;
+ }
+
+ strv_free(r);
+ r = q;
+ }
+
+ fclose(f);
+
+ return r;
+}
+
static int read_ntp(DBusConnection *bus) {
DBusMessage *m = NULL, *reply = NULL;
- const char *name = "systemd-timedated-ntp.target", *s;
DBusError error;
int r;
+ char **i, **l;
assert(bus);
dbus_error_init(&error);
- m = dbus_message_new_method_call(
- "org.freedesktop.systemd1",
- "/org/freedesktop/systemd1",
- "org.freedesktop.systemd1.Manager",
- "GetUnitFileState");
-
- if (!m) {
- log_error("Out of memory");
- r = -ENOMEM;
- goto finish;
- }
+ l = get_ntp_services();
+ STRV_FOREACH(i, l) {
+ const char *s;
+
+ if (m)
+ dbus_message_unref(m);
+ m = dbus_message_new_method_call(
+ "org.freedesktop.systemd1",
+ "/org/freedesktop/systemd1",
+ "org.freedesktop.systemd1.Manager",
+ "GetUnitFileState");
+ if (!m) {
+ log_error("Out of memory");
+ r = -ENOMEM;
+ goto finish;
+ }
- if (!dbus_message_append_args(m,
- DBUS_TYPE_STRING, &name,
- DBUS_TYPE_INVALID)) {
- log_error("Could not append arguments to message.");
- r = -ENOMEM;
- goto finish;
- }
+ if (!dbus_message_append_args(m,
+ DBUS_TYPE_STRING, i,
+ DBUS_TYPE_INVALID)) {
+ log_error("Could not append arguments to message.");
+ r = -ENOMEM;
+ goto finish;
+ }
- reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error);
- if (!reply) {
+ if (reply)
+ dbus_message_unref(reply);
+ reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error);
+ if (!reply) {
+ if (streq(error.name, "org.freedesktop.DBus.Error.FileNotFound")) {
+ /* This implementation does not exist, try next one */
+ dbus_error_free(&error);
+ continue;
+ }
- if (streq(error.name, "org.freedesktop.DBus.Error.FileNotFound")) {
- /* NTP is not installed. */
- tz.use_ntp = false;
- r = 0;
+ log_error("Failed to issue method call: %s", bus_error_message(&error));
+ r = -EIO;
goto finish;
}
- log_error("Failed to issue method call: %s", bus_error_message(&error));
- r = -EIO;
- goto finish;
- }
+ if (!dbus_message_get_args(reply, &error,
+ DBUS_TYPE_STRING, &s,
+ DBUS_TYPE_INVALID)) {
+ log_error("Failed to parse reply: %s", bus_error_message(&error));
+ r = -EIO;
+ goto finish;
+ }
- if (!dbus_message_get_args(reply, &error,
- DBUS_TYPE_STRING, &s,
- DBUS_TYPE_INVALID)) {
- log_error("Failed to parse reply: %s", bus_error_message(&error));
- r = -EIO;
+ tz.use_ntp =
+ streq(s, "enabled") ||
+ streq(s, "enabled-runtime");
+ r = 0;
goto finish;
}
- tz.use_ntp =
- streq(s, "enabled") ||
- streq(s, "enabled-runtime");
+ /* NTP is not installed. */
+ tz.use_ntp = 0;
r = 0;
finish:
@@ -368,6 +418,8 @@ finish:
if (reply)
dbus_message_unref(reply);
+ strv_free(l);
+
dbus_error_free(&error);
return r;
@@ -375,40 +427,60 @@ finish:
static int start_ntp(DBusConnection *bus, DBusError *error) {
DBusMessage *m = NULL, *reply = NULL;
- const char *name = "systemd-timedated-ntp.target", *mode = "replace";
+ const char *mode = "replace";
+ char **i, **l;
int r;
assert(bus);
assert(error);
- m = dbus_message_new_method_call(
- "org.freedesktop.systemd1",
- "/org/freedesktop/systemd1",
- "org.freedesktop.systemd1.Manager",
- tz.use_ntp ? "StartUnit" : "StopUnit");
- if (!m) {
- log_error("Could not allocate message.");
- r = -ENOMEM;
- goto finish;
- }
+ l = get_ntp_services();
+ STRV_FOREACH(i, l) {
+ if (m)
+ dbus_message_unref(m);
+ m = dbus_message_new_method_call(
+ "org.freedesktop.systemd1",
+ "/org/freedesktop/systemd1",
+ "org.freedesktop.systemd1.Manager",
+ tz.use_ntp ? "StartUnit" : "StopUnit");
+ if (!m) {
+ log_error("Could not allocate message.");
+ r = -ENOMEM;
+ goto finish;
+ }
- if (!dbus_message_append_args(m,
- DBUS_TYPE_STRING, &name,
- DBUS_TYPE_STRING, &mode,
- DBUS_TYPE_INVALID)) {
- log_error("Could not append arguments to message.");
- r = -ENOMEM;
- goto finish;
- }
+ if (!dbus_message_append_args(m,
+ DBUS_TYPE_STRING, i,
+ DBUS_TYPE_STRING, &mode,
+ DBUS_TYPE_INVALID)) {
+ log_error("Could not append arguments to message.");
+ r = -ENOMEM;
+ goto finish;
+ }
+
+ if (reply)
+ dbus_message_unref(reply);
+ reply = dbus_connection_send_with_reply_and_block(bus, m, -1, error);
+ if (!reply) {
+ if (streq(error->name, "org.freedesktop.DBus.Error.FileNotFound") ||
+ streq(error->name, "org.freedesktop.systemd1.LoadFailed") ||
+ streq(error->name, "org.freedesktop.systemd1.NoSuchUnit")) {
+ /* This implementation does not exist, try next one */
+ dbus_error_free(error);
+ continue;
+ }
+
+ log_error("Failed to issue method call: %s", bus_error_message(error));
+ r = -EIO;
+ goto finish;
+ }
- reply = dbus_connection_send_with_reply_and_block(bus, m, -1, error);
- if (!reply) {
- log_error("Failed to issue method call: %s", bus_error_message(error));
- r = -EIO;
+ r = 0;
goto finish;
}
- r = 0;
+ /* No implementaiton available... */
+ r = -ENOENT;
finish:
if (m)
@@ -417,82 +489,105 @@ finish:
if (reply)
dbus_message_unref(reply);
+ strv_free(l);
+
return r;
}
static int enable_ntp(DBusConnection *bus, DBusError *error) {
DBusMessage *m = NULL, *reply = NULL;
- const char * const names[] = { "systemd-timedated-ntp.target", NULL };
int r;
DBusMessageIter iter;
dbus_bool_t f = FALSE, t = TRUE;
+ char **i, **l;
assert(bus);
assert(error);
- m = dbus_message_new_method_call(
- "org.freedesktop.systemd1",
- "/org/freedesktop/systemd1",
- "org.freedesktop.systemd1.Manager",
- tz.use_ntp ? "EnableUnitFiles" : "DisableUnitFiles");
+ l = get_ntp_services();
+ STRV_FOREACH(i, l) {
+ char* k[2];
+
+ if (m)
+ dbus_message_unref(m);
+ m = dbus_message_new_method_call(
+ "org.freedesktop.systemd1",
+ "/org/freedesktop/systemd1",
+ "org.freedesktop.systemd1.Manager",
+ tz.use_ntp ? "EnableUnitFiles" : "DisableUnitFiles");
+ if (!m) {
+ log_error("Could not allocate message.");
+ r = -ENOMEM;
+ goto finish;
+ }
- if (!m) {
- log_error("Could not allocate message.");
- r = -ENOMEM;
- goto finish;
- }
+ dbus_message_iter_init_append(m, &iter);
- dbus_message_iter_init_append(m, &iter);
+ k[0] = *i;
+ k[1] = NULL;
- r = bus_append_strv_iter(&iter, (char**) names);
- if (r < 0) {
- log_error("Failed to append unit files.");
- goto finish;
- }
- /* send runtime bool */
- if (!dbus_message_iter_append_basic(&iter, DBUS_TYPE_BOOLEAN, &f)) {
- log_error("Failed to append runtime boolean.");
- r = -ENOMEM;
- goto finish;
- }
+ r = bus_append_strv_iter(&iter, k);
+ if (r < 0) {
+ log_error("Failed to append unit files.");
+ goto finish;
+ }
- if (tz.use_ntp) {
- /* send force bool */
- if (!dbus_message_iter_append_basic(&iter, DBUS_TYPE_BOOLEAN, &t)) {
- log_error("Failed to append force boolean.");
+ /* send runtime bool */
+ if (!dbus_message_iter_append_basic(&iter, DBUS_TYPE_BOOLEAN, &f)) {
+ log_error("Failed to append runtime boolean.");
r = -ENOMEM;
goto finish;
}
- }
- reply = dbus_connection_send_with_reply_and_block(bus, m, -1, error);
- if (!reply) {
- log_error("Failed to issue method call: %s", bus_error_message(error));
- r = -EIO;
- goto finish;
- }
+ if (tz.use_ntp) {
+ /* send force bool */
+ if (!dbus_message_iter_append_basic(&iter, DBUS_TYPE_BOOLEAN, &t)) {
+ log_error("Failed to append force boolean.");
+ r = -ENOMEM;
+ goto finish;
+ }
+ }
- dbus_message_unref(m);
- m = dbus_message_new_method_call(
- "org.freedesktop.systemd1",
- "/org/freedesktop/systemd1",
- "org.freedesktop.systemd1.Manager",
- "Reload");
- if (!m) {
- log_error("Could not allocate message.");
- r = -ENOMEM;
- goto finish;
- }
+ if (reply)
+ dbus_message_unref(reply);
+ reply = dbus_connection_send_with_reply_and_block(bus, m, -1, error);
+ if (!reply) {
+ if (streq(error->name, "org.freedesktop.DBus.Error.FileNotFound")) {
+ /* This implementation does not exist, try next one */
+ dbus_error_free(error);
+ continue;
+ }
- dbus_message_unref(reply);
- reply = dbus_connection_send_with_reply_and_block(bus, m, -1, error);
- if (!reply) {
- log_error("Failed to issue method call: %s", bus_error_message(error));
- r = -EIO;
+ log_error("Failed to issue method call: %s", bus_error_message(error));
+ r = -EIO;
+ goto finish;
+ }
+
+ dbus_message_unref(m);
+ m = dbus_message_new_method_call(
+ "org.freedesktop.systemd1",
+ "/org/freedesktop/systemd1",
+ "org.freedesktop.systemd1.Manager",
+ "Reload");
+ if (!m) {
+ log_error("Could not allocate message.");
+ r = -ENOMEM;
+ goto finish;
+ }
+
+ dbus_message_unref(reply);
+ reply = dbus_connection_send_with_reply_and_block(bus, m, -1, error);
+ if (!reply) {
+ log_error("Failed to issue method call: %s", bus_error_message(error));
+ r = -EIO;
+ goto finish;
+ }
+
+ r = 0;
goto finish;
}
- r = 0;
+ r = -ENOENT;
finish:
if (m)
@@ -501,6 +596,8 @@ finish:
if (reply)
dbus_message_unref(reply);
+ strv_free(l);
+
return r;
}
generated by cgit v1.2.3-54-g00ecf (git 2.45.2) at 2024-11-09 13:28:58 +0000