Copyright 2011 Lennart Poettering
systemd is free software; you can redistribute it and/or modify it
- under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
+ 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
- General Public License for more details.
+ Lesser General Public License for more details.
- You should have received a copy of the GNU General Public License
+ 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 "dbus-common.h"
#include "polkit.h"
#include "def.h"
+#include "hwclock.h"
+#include "conf-files.h"
#define NULL_ADJTIME_UTC "0.0 0 0\n0\nUTC\n"
#define NULL_ADJTIME_LOCAL "0.0 0 0\n0\nLOCAL\n"
const char timedate_interface[] _introspect_("timedate1") = INTERFACE;
-static char *zone = NULL;
-static bool local_rtc = false;
-static int use_ntp = -1;
+typedef struct TZ {
+ char *zone;
+ bool local_rtc;
+ int use_ntp;
+} TZ;
-static usec_t remain_until = 0;
+static TZ tz = {
+ .use_ntp = -1,
+};
+
+static usec_t remain_until;
static void free_data(void) {
- free(zone);
- zone = NULL;
+ free(tz.zone);
+ tz.zone = NULL;
- local_rtc = false;
+ tz.local_rtc = false;
}
static bool valid_timezone(const char *name) {
size_t l, q;
int j, k;
- if (!zone)
+ if (!tz.zone)
return;
- p = strappend("/usr/share/zoneinfo/", zone);
+ p = strappend("/usr/share/zoneinfo/", tz.zone);
if (!p) {
log_error("Out of memory");
return;
if (j < 0 || k < 0 || l != q || memcmp(a, b, l)) {
log_warning("/etc/localtime and /etc/timezone out of sync.");
- free(zone);
- zone = NULL;
+ free(tz.zone);
+ tz.zone = NULL;
}
free(a);
free_data();
- r = read_one_line_file("/etc/timezone", &zone);
+ r = read_one_line_file("/etc/timezone", &tz.zone);
if (r < 0) {
if (r != -ENOENT)
log_warning("Failed to read /etc/timezone: %s", strerror(-r));
#ifdef TARGET_FEDORA
r = parse_env_file("/etc/sysconfig/clock", NEWLINE,
- "ZONE", &zone,
+ "ZONE", &tz.zone,
NULL);
if (r < 0 && r != -ENOENT)
#endif
}
- if (isempty(zone)) {
- free(zone);
- zone = NULL;
+ if (isempty(tz.zone)) {
+ free(tz.zone);
+ tz.zone = NULL;
}
verify_timezone();
- local_rtc = hwclock_is_localtime() > 0;
+ tz.local_rtc = hwclock_is_localtime() > 0;
return 0;
}
int r = 0;
char *p;
- if (!zone) {
+ if (!tz.zone) {
if (unlink("/etc/timezone") < 0 && errno != ENOENT)
r = -errno;
return r;
}
- p = strappend("/usr/share/zoneinfo/", zone);
+ p = strappend("/usr/share/zoneinfo/", tz.zone);
if (!p) {
log_error("Out of memory");
return -ENOMEM;
if (r < 0)
return r;
- r = write_one_line_file_atomic("/etc/timezone", zone);
+ r = write_one_line_file_atomic("/etc/timezone", tz.zone);
if (r < 0)
return r;
if (r != -ENOENT)
return r;
- if (!local_rtc)
+ if (!tz.local_rtc)
return 0;
w = strdup(NULL_ADJTIME_LOCAL);
a = p - s;
b = strlen(e);
- w = new(char, a + (local_rtc ? 5 : 3) + b + 1);
+ w = new(char, a + (tz.local_rtc ? 5 : 3) + b + 1);
if (!w) {
free(s);
return -ENOMEM;
}
- *(char*) mempcpy(stpcpy(mempcpy(w, s, a), local_rtc ? "LOCAL" : "UTC"), e, b) = 0;
+ *(char*) mempcpy(stpcpy(mempcpy(w, s, a), tz.local_rtc ? "LOCAL" : "UTC"), e, b) = 0;
if (streq(w, NULL_ADJTIME_UTC)) {
free(w);
return r;
}
+static char** get_ntp_services(void) {
+ char **r = NULL, **files, **i;
+ int k;
+
+ k = conf_files_list(&files, ".list",
+ "/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) {
+ FILE *f;
+
+ f = fopen(*i, "re");
+ if (!f)
+ continue;
+
+ 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);
+ }
+
+ strv_free(files);
+
+ return r;
+}
+
static int read_ntp(DBusConnection *bus) {
DBusMessage *m = NULL, *reply = NULL;
- const char *name = "ntpd.service", *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");
+ 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 (!m) {
- log_error("Out of memory");
- 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;
+ }
- 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 (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;
+ }
- 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;
- }
+ 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;
+ 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;
+ }
+
+ tz.use_ntp =
+ streq(s, "enabled") ||
+ streq(s, "enabled-runtime");
+ r = 0;
goto finish;
}
- use_ntp =
- streq(s, "enabled") ||
- streq(s, "enabled-runtime");
+ /* NTP is not installed. */
+ tz.use_ntp = 0;
r = 0;
finish:
if (reply)
dbus_message_unref(reply);
+ strv_free(l);
+
dbus_error_free(&error);
return r;
static int start_ntp(DBusConnection *bus, DBusError *error) {
DBusMessage *m = NULL, *reply = NULL;
- const char *name = "ntpd.service", *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",
- 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;
+ }
- 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;
+ 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;
+ }
+
+ r = 0;
goto finish;
}
- r = 0;
+ /* No implementaiton available... */
+ r = -ENOENT;
finish:
if (m)
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[] = { "ntpd.service", 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",
- 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 (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)
if (reply)
dbus_message_unref(reply);
+ strv_free(l);
+
return r;
}
assert(i);
assert(property);
- db = use_ntp > 0;
+ db = tz.use_ntp > 0;
if (!dbus_message_iter_append_basic(i, DBUS_TYPE_BOOLEAN, &db))
return -ENOMEM;
return 0;
}
+static const BusProperty bus_timedate_properties[] = {
+ { "Timezone", bus_property_append_string, "s", offsetof(TZ, zone), true },
+ { "LocalRTC", bus_property_append_bool, "b", offsetof(TZ, local_rtc) },
+ { "NTP", property_append_ntp, "b", offsetof(TZ, use_ntp) },
+ { NULL, }
+};
+
+static const BusBoundProperties bps[] = {
+ { "org.freedesktop.timedate1", bus_timedate_properties, &tz },
+ { NULL, }
+};
+
static DBusHandlerResult timedate_message_handler(
DBusConnection *connection,
DBusMessage *message,
void *userdata) {
- const BusProperty properties[] = {
- { "org.freedesktop.timedate1", "Timezone", bus_property_append_string, "s", zone },
- { "org.freedesktop.timedate1", "LocalRTC", bus_property_append_bool, "b", &local_rtc },
- { "org.freedesktop.timedate1", "NTP", property_append_ntp, "b", NULL },
- { NULL, NULL, NULL, NULL, NULL }
- };
-
DBusMessage *reply = NULL, *changed = NULL;
DBusError error;
int r;
if (!valid_timezone(z))
return bus_send_error_reply(connection, message, NULL, -EINVAL);
- if (!streq_ptr(z, zone)) {
+ if (!streq_ptr(z, tz.zone)) {
char *t;
- r = verify_polkit(connection, message, "org.freedesktop.timedate1.set-timezone", interactive, &error);
+ r = verify_polkit(connection, message, "org.freedesktop.timedate1.set-timezone", interactive, NULL, &error);
if (r < 0)
return bus_send_error_reply(connection, message, &error, r);
if (!t)
goto oom;
- free(zone);
- zone = t;
+ free(tz.zone);
+ tz.zone = t;
/* 1. Write new configuration file */
r = write_data_timezone();
return bus_send_error_reply(connection, message, NULL, r);
}
- if (local_rtc) {
+ if (tz.local_rtc) {
struct timespec ts;
struct tm *tm;
hwclock_set_time(tm);
}
- log_info("Changed timezone to '%s'.", zone);
+ log_info("Changed timezone to '%s'.", tz.zone);
changed = bus_properties_changed_new(
"/org/freedesktop/timedate1",
DBUS_TYPE_INVALID))
return bus_send_error_reply(connection, message, &error, -EINVAL);
- if (lrtc != local_rtc) {
+ if (lrtc != tz.local_rtc) {
struct timespec ts;
- r = verify_polkit(connection, message, "org.freedesktop.timedate1.set-local-rtc", interactive, &error);
+ r = verify_polkit(connection, message, "org.freedesktop.timedate1.set-local-rtc", interactive, NULL, &error);
if (r < 0)
return bus_send_error_reply(connection, message, &error, r);
- local_rtc = lrtc;
+ tz.local_rtc = lrtc;
/* 1. Write new configuration file */
r = write_data_local_rtc();
}
/* 2. Teach kernel new timezone */
- if (local_rtc)
+ if (tz.local_rtc)
hwclock_apply_localtime_delta(NULL);
else
hwclock_reset_localtime_delta();
/* Sync system clock from RTC; first,
* initialize the timezone fields of
* struct tm. */
- if (local_rtc)
+ if (tz.local_rtc)
tm = *localtime(&ts.tv_sec);
else
tm = *gmtime(&ts.tv_sec);
/* And set the system clock
* with this */
- if (local_rtc)
+ if (tz.local_rtc)
ts.tv_sec = mktime(&tm);
else
ts.tv_sec = timegm(&tm);
struct tm *tm;
/* Sync RTC from system clock */
- if (local_rtc)
+ if (tz.local_rtc)
tm = localtime(&ts.tv_sec);
else
tm = gmtime(&ts.tv_sec);
hwclock_set_time(tm);
}
- log_info("RTC configured to %s time.", local_rtc ? "local" : "UTC");
+ log_info("RTC configured to %s time.", tz.local_rtc ? "local" : "UTC");
changed = bus_properties_changed_new(
"/org/freedesktop/timedate1",
struct timespec ts;
struct tm* tm;
- r = verify_polkit(connection, message, "org.freedesktop.timedate1.set-time", interactive, &error);
+ r = verify_polkit(connection, message, "org.freedesktop.timedate1.set-time", interactive, NULL, &error);
if (r < 0)
return bus_send_error_reply(connection, message, &error, r);
}
/* Sync down to RTC */
- if (local_rtc)
+ if (tz.local_rtc)
tm = localtime(&ts.tv_sec);
else
tm = gmtime(&ts.tv_sec);
DBUS_TYPE_INVALID))
return bus_send_error_reply(connection, message, &error, -EINVAL);
- if (ntp != !!use_ntp) {
+ if (ntp != !!tz.use_ntp) {
- r = verify_polkit(connection, message, "org.freedesktop.timedate1.set-ntp", interactive, &error);
+ r = verify_polkit(connection, message, "org.freedesktop.timedate1.set-ntp", interactive, NULL, &error);
if (r < 0)
return bus_send_error_reply(connection, message, &error, r);
- use_ntp = !!ntp;
+ tz.use_ntp = !!ntp;
r = enable_ntp(connection, &error);
if (r < 0)
if (r < 0)
return bus_send_error_reply(connection, message, &error, r);
- log_info("Set NTP to %s", use_ntp ? "enabled" : "disabled");
+ log_info("Set NTP to %s", tz.use_ntp ? "enabled" : "disabled");
changed = bus_properties_changed_new(
"/org/freedesktop/timedate1",
}
} else
- return bus_default_message_handler(connection, message, INTROSPECTION, INTERFACES_LIST, properties);
+ return bus_default_message_handler(connection, message, INTROSPECTION, INTERFACES_LIST, bps);
if (!(reply = dbus_message_new_method_return(message)))
goto oom;
~ianmdlvl / elogind.git / blobdiff