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-rw-r--r--src/grp-timedate/Makefile28
-rw-r--r--src/grp-timedate/systemd-timedated/.gitignore1
-rw-r--r--src/grp-timedate/systemd-timedated/Makefile65
-rw-r--r--src/grp-timedate/systemd-timedated/org.freedesktop.timedate1.conf27
-rw-r--r--src/grp-timedate/systemd-timedated/org.freedesktop.timedate1.policy.in62
-rw-r--r--src/grp-timedate/systemd-timedated/org.freedesktop.timedate1.service12
-rw-r--r--src/grp-timedate/systemd-timedated/timedated.c747
-rw-r--r--src/grp-timedate/timedatectl/Makefile42
-rw-r--r--src/grp-timedate/timedatectl/timedatectl.c506
9 files changed, 1490 insertions, 0 deletions
diff --git a/src/grp-timedate/Makefile b/src/grp-timedate/Makefile
new file mode 100644
index 0000000000..bb8be753da
--- /dev/null
+++ b/src/grp-timedate/Makefile
@@ -0,0 +1,28 @@
+# -*- Mode: makefile; indent-tabs-mode: t -*-
+#
+# This file is part of systemd.
+#
+# Copyright 2010-2012 Lennart Poettering
+# Copyright 2010-2012 Kay Sievers
+# Copyright 2013 Zbigniew Jędrzejewski-Szmek
+# Copyright 2013 David Strauss
+# Copyright 2016 Luke Shumaker
+#
+# 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 $(dir $(lastword $(MAKEFILE_LIST)))/../../config.mk
+include $(topsrcdir)/build-aux/Makefile.head.mk
+
+at.subdirs += timedatectl systemd-timedated
+
+include $(topsrcdir)/build-aux/Makefile.tail.mk
diff --git a/src/grp-timedate/systemd-timedated/.gitignore b/src/grp-timedate/systemd-timedated/.gitignore
new file mode 100644
index 0000000000..48757f0968
--- /dev/null
+++ b/src/grp-timedate/systemd-timedated/.gitignore
@@ -0,0 +1 @@
+org.freedesktop.timedate1.policy
diff --git a/src/grp-timedate/systemd-timedated/Makefile b/src/grp-timedate/systemd-timedated/Makefile
new file mode 100644
index 0000000000..b3288b22b1
--- /dev/null
+++ b/src/grp-timedate/systemd-timedated/Makefile
@@ -0,0 +1,65 @@
+# -*- Mode: makefile; indent-tabs-mode: t -*-
+#
+# This file is part of systemd.
+#
+# Copyright 2010-2012 Lennart Poettering
+# Copyright 2010-2012 Kay Sievers
+# Copyright 2013 Zbigniew Jędrzejewski-Szmek
+# Copyright 2013 David Strauss
+# Copyright 2016 Luke Shumaker
+#
+# 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 $(dir $(lastword $(MAKEFILE_LIST)))/../../../config.mk
+include $(topsrcdir)/build-aux/Makefile.head.mk
+
+ifneq ($(ENABLE_TIMEDATED),)
+systemd_timedated_SOURCES = \
+ src/timedate/timedated.c
+
+systemd_timedated_LDADD = \
+ libshared.la
+
+libexec_PROGRAMS += \
+ systemd-timedated
+
+dist_dbussystemservice_DATA += \
+ src/timedate/org.freedesktop.timedate1.service
+
+dist_dbuspolicy_DATA += \
+ src/timedate/org.freedesktop.timedate1.conf
+
+nodist_systemunit_DATA += \
+ units/systemd-timedated.service
+
+dist_systemunit_DATA_busnames += \
+ units/org.freedesktop.timedate1.busname
+
+polkitpolicy_files += \
+ src/timedate/org.freedesktop.timedate1.policy
+
+SYSTEM_UNIT_ALIASES += \
+ systemd-timedated.service dbus-org.freedesktop.timedate1.service
+
+BUSNAMES_TARGET_WANTS += \
+ org.freedesktop.timedate1.busname
+
+endif # ENABLE_TIMEDATED
+
+polkitpolicy_in_files += \
+ src/timedate/org.freedesktop.timedate1.policy.in
+
+EXTRA_DIST += \
+ units/systemd-timedated.service.in
+
+include $(topsrcdir)/build-aux/Makefile.tail.mk
diff --git a/src/grp-timedate/systemd-timedated/org.freedesktop.timedate1.conf b/src/grp-timedate/systemd-timedated/org.freedesktop.timedate1.conf
new file mode 100644
index 0000000000..36557d5841
--- /dev/null
+++ b/src/grp-timedate/systemd-timedated/org.freedesktop.timedate1.conf
@@ -0,0 +1,27 @@
+<?xml version="1.0"?> <!--*-nxml-*-->
+<!DOCTYPE busconfig PUBLIC "-//freedesktop//DTD D-BUS Bus Configuration 1.0//EN"
+ "http://www.freedesktop.org/standards/dbus/1.0/busconfig.dtd">
+
+<!--
+ This file is part of systemd.
+
+ 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.
+-->
+
+<busconfig>
+
+ <policy user="root">
+ <allow own="org.freedesktop.timedate1"/>
+ <allow send_destination="org.freedesktop.timedate1"/>
+ <allow receive_sender="org.freedesktop.timedate1"/>
+ </policy>
+
+ <policy context="default">
+ <allow send_destination="org.freedesktop.timedate1"/>
+ <allow receive_sender="org.freedesktop.timedate1"/>
+ </policy>
+
+</busconfig>
diff --git a/src/grp-timedate/systemd-timedated/org.freedesktop.timedate1.policy.in b/src/grp-timedate/systemd-timedated/org.freedesktop.timedate1.policy.in
new file mode 100644
index 0000000000..aa30b70831
--- /dev/null
+++ b/src/grp-timedate/systemd-timedated/org.freedesktop.timedate1.policy.in
@@ -0,0 +1,62 @@
+<?xml version="1.0" encoding="UTF-8"?> <!--*-nxml-*-->
+<!DOCTYPE policyconfig PUBLIC "-//freedesktop//DTD PolicyKit Policy Configuration 1.0//EN"
+ "http://www.freedesktop.org/standards/PolicyKit/1/policyconfig.dtd">
+
+<!--
+ This file is part of systemd.
+
+ 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.
+-->
+
+<policyconfig>
+
+ <vendor>The systemd Project</vendor>
+ <vendor_url>http://www.freedesktop.org/wiki/Software/systemd</vendor_url>
+
+ <action id="org.freedesktop.timedate1.set-time">
+ <_description>Set system time</_description>
+ <_message>Authentication is required to set the system time.</_message>
+ <defaults>
+ <allow_any>auth_admin_keep</allow_any>
+ <allow_inactive>auth_admin_keep</allow_inactive>
+ <allow_active>auth_admin_keep</allow_active>
+ </defaults>
+ <annotate key="org.freedesktop.policykit.imply">org.freedesktop.timedate1.set-timezone org.freedesktop.timedate1.set-ntp</annotate>
+ </action>
+
+ <action id="org.freedesktop.timedate1.set-timezone">
+ <_description>Set system timezone</_description>
+ <_message>Authentication is required to set the system timezone.</_message>
+ <defaults>
+ <allow_any>auth_admin_keep</allow_any>
+ <allow_inactive>auth_admin_keep</allow_inactive>
+ <allow_active>auth_admin_keep</allow_active>
+ </defaults>
+ </action>
+
+ <action id="org.freedesktop.timedate1.set-local-rtc">
+ <_description>Set RTC to local timezone or UTC</_description>
+ <_message>Authentication is required to control whether
+ the RTC stores the local or UTC time.</_message>
+ <defaults>
+ <allow_any>auth_admin_keep</allow_any>
+ <allow_inactive>auth_admin_keep</allow_inactive>
+ <allow_active>auth_admin_keep</allow_active>
+ </defaults>
+ </action>
+
+ <action id="org.freedesktop.timedate1.set-ntp">
+ <_description>Turn network time synchronization on or off</_description>
+ <_message>Authentication is required to control whether
+ network time synchronization shall be enabled.</_message>
+ <defaults>
+ <allow_any>auth_admin_keep</allow_any>
+ <allow_inactive>auth_admin_keep</allow_inactive>
+ <allow_active>auth_admin_keep</allow_active>
+ </defaults>
+ </action>
+
+</policyconfig>
diff --git a/src/grp-timedate/systemd-timedated/org.freedesktop.timedate1.service b/src/grp-timedate/systemd-timedated/org.freedesktop.timedate1.service
new file mode 100644
index 0000000000..875f4bec78
--- /dev/null
+++ b/src/grp-timedate/systemd-timedated/org.freedesktop.timedate1.service
@@ -0,0 +1,12 @@
+# This file is part of systemd.
+#
+# 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.
+
+[D-BUS Service]
+Name=org.freedesktop.timedate1
+Exec=/bin/false
+User=root
+SystemdService=dbus-org.freedesktop.timedate1.service
diff --git a/src/grp-timedate/systemd-timedated/timedated.c b/src/grp-timedate/systemd-timedated/timedated.c
new file mode 100644
index 0000000000..51a13fcf49
--- /dev/null
+++ b/src/grp-timedate/systemd-timedated/timedated.c
@@ -0,0 +1,747 @@
+/***
+ 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 <systemd/sd-bus.h>
+#include <systemd/sd-event.h>
+#include <systemd/sd-messages.h>
+
+#include "alloc-util.h"
+#include "bus-common-errors.h"
+#include "bus-error.h"
+#include "bus-util.h"
+#include "clock-util.h"
+#include "def.h"
+#include "fileio-label.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"
+
+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;
+ bool can_ntp;
+ bool use_ntp;
+ Hashmap *polkit_registry;
+} Context;
+
+static void context_free(Context *c) {
+ assert(c);
+
+ free(c->zone);
+ bus_verify_polkit_async_registry_free(c->polkit_registry);
+}
+
+static int context_read_data(Context *c) {
+ _cleanup_free_ char *t = NULL;
+ int r;
+
+ assert(c);
+
+ 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");
+
+ free(c->zone);
+ c->zone = t;
+ t = NULL;
+
+ c->local_rtc = clock_is_localtime(NULL) > 0;
+
+ return 0;
+}
+
+static int context_write_data_timezone(Context *c) {
+ _cleanup_free_ char *p = NULL;
+ int r = 0;
+
+ assert(c);
+
+ if (isempty(c->zone)) {
+ if (unlink("/etc/localtime") < 0 && errno != ENOENT)
+ r = -errno;
+
+ return r;
+ }
+
+ p = strappend("../usr/share/zoneinfo/", c->zone);
+ if (!p)
+ return log_oom();
+
+ r = symlink_atomic(p, "/etc/localtime");
+ if (r < 0)
+ return r;
+
+ return 0;
+}
+
+static int context_write_data_local_rtc(Context *c) {
+ int r;
+ _cleanup_free_ char *s = NULL, *w = NULL;
+
+ assert(c);
+
+ r = read_full_file("/etc/adjtime", &s, NULL);
+ if (r < 0) {
+ if (r != -ENOENT)
+ return r;
+
+ if (!c->local_rtc)
+ return 0;
+
+ w = strdup(NULL_ADJTIME_LOCAL);
+ if (!w)
+ return -ENOMEM;
+ } else {
+ char *p;
+ const char *e = "\n"; /* default if there is less than 3 lines */
+ const char *prepend = "";
+ size_t a, b;
+
+ 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) + strlen(prepend) + b + 1);
+ if (!w)
+ return -ENOMEM;
+
+ *(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)
+ if (errno != ENOENT)
+ return -errno;
+
+ return 0;
+ }
+ }
+
+ mac_selinux_init();
+ return write_string_file_atomic_label("/etc/adjtime", w);
+}
+
+static int context_read_ntp(Context *c, sd_bus *bus) {
+ _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;
+
+ assert(c);
+ assert(bus);
+
+ r = sd_bus_call_method(
+ bus,
+ "org.freedesktop.systemd1",
+ "/org/freedesktop/systemd1",
+ "org.freedesktop.systemd1.Manager",
+ "GetUnitFileState",
+ &error,
+ &reply,
+ "s",
+ "systemd-timesyncd.service");
+
+ 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 r;
+ }
+
+ 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(sd_bus *bus, sd_bus_error *error, bool enabled) {
+ int r;
+
+ assert(bus);
+ assert(error);
+
+ 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"))
+ return sd_bus_error_set_const(error, "org.freedesktop.timedate1.NoNTPSupport", "NTP not supported.");
+
+ return r;
+ }
+
+ return 0;
+}
+
+static int context_enable_ntp(sd_bus *bus, sd_bus_error *error, bool enabled) {
+ int r;
+
+ assert(bus);
+ assert(error);
+
+ if (enabled)
+ r = sd_bus_call_method(
+ bus,
+ "org.freedesktop.systemd1",
+ "/org/freedesktop/systemd1",
+ "org.freedesktop.systemd1.Manager",
+ "EnableUnitFiles",
+ error,
+ NULL,
+ "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);
+
+ if (r < 0) {
+ 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;
+ }
+
+ 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(
+ sd_bus *bus,
+ const char *path,
+ const char *interface,
+ const char *property,
+ sd_bus_message *reply,
+ void *userdata,
+ sd_bus_error *error) {
+
+ struct tm tm;
+ usec_t t;
+ int r;
+
+ zero(tm);
+ r = clock_get_hwclock(&tm);
+ if (r == -EBUSY) {
+ log_warning("/dev/rtc is busy. Is somebody keeping it open continuously? That's not a good idea... Returning a bogus RTC timestamp.");
+ t = 0;
+ } else if (r == -ENOENT) {
+ log_debug("/dev/rtc not found.");
+ t = 0; /* no RTC found */
+ } else if (r < 0)
+ return sd_bus_error_set_errnof(error, r, "Failed to read RTC: %m");
+ else
+ t = (usec_t) timegm(&tm) * USEC_PER_SEC;
+
+ return sd_bus_message_append(reply, "t", t);
+}
+
+static int property_get_time(
+ sd_bus *bus,
+ const char *path,
+ const char *interface,
+ const char *property,
+ sd_bus_message *reply,
+ void *userdata,
+ sd_bus_error *error) {
+
+ return sd_bus_message_append(reply, "t", now(CLOCK_REALTIME));
+}
+
+static int property_get_ntp_sync(
+ sd_bus *bus,
+ const char *path,
+ const char *interface,
+ const char *property,
+ sd_bus_message *reply,
+ void *userdata,
+ sd_bus_error *error) {
+
+ return sd_bus_message_append(reply, "b", ntp_synced());
+}
+
+static int method_set_timezone(sd_bus_message *m, void *userdata, sd_bus_error *error) {
+ Context *c = userdata;
+ const char *z;
+ int interactive;
+ char *t;
+ int r;
+
+ assert(m);
+ assert(c);
+
+ r = sd_bus_message_read(m, "sb", &z, &interactive);
+ if (r < 0)
+ return r;
+
+ 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(
+ m,
+ CAP_SYS_TIME,
+ "org.freedesktop.timedate1.set-timezone",
+ NULL,
+ interactive,
+ UID_INVALID,
+ &c->polkit_registry,
+ error);
+ if (r < 0)
+ return r;
+ if (r == 0)
+ return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
+
+ t = strdup(z);
+ if (!t)
+ return -ENOMEM;
+
+ free(c->zone);
+ c->zone = t;
+
+ /* 1. Write new configuration file */
+ r = context_write_data_timezone(c);
+ if (r < 0) {
+ log_error_errno(r, "Failed to set time zone: %m");
+ return sd_bus_error_set_errnof(error, r, "Failed to set time zone: %m");
+ }
+
+ /* 2. Tell the kernel our timezone */
+ clock_set_timezone(NULL);
+
+ if (c->local_rtc) {
+ struct timespec ts;
+ struct tm *tm;
+
+ /* 3. Sync RTC from system clock, with the new delta */
+ assert_se(clock_gettime(CLOCK_REALTIME, &ts) == 0);
+ assert_se(tm = localtime(&ts.tv_sec));
+ clock_set_hwclock(tm);
+ }
+
+ log_struct(LOG_INFO,
+ LOG_MESSAGE_ID(SD_MESSAGE_TIMEZONE_CHANGE),
+ "TIMEZONE=%s", c->zone,
+ LOG_MESSAGE("Changed time zone to '%s'.", c->zone),
+ NULL);
+
+ (void) sd_bus_emit_properties_changed(sd_bus_message_get_bus(m), "/org/freedesktop/timedate1", "org.freedesktop.timedate1", "Timezone", NULL);
+
+ return sd_bus_reply_method_return(m, NULL);
+}
+
+static int method_set_local_rtc(sd_bus_message *m, void *userdata, sd_bus_error *error) {
+ int lrtc, fix_system, interactive;
+ Context *c = userdata;
+ struct timespec ts;
+ int r;
+
+ assert(m);
+ assert(c);
+
+ r = sd_bus_message_read(m, "bbb", &lrtc, &fix_system, &interactive);
+ if (r < 0)
+ return r;
+
+ if (lrtc == c->local_rtc)
+ return sd_bus_reply_method_return(m, NULL);
+
+ r = bus_verify_polkit_async(
+ m,
+ CAP_SYS_TIME,
+ "org.freedesktop.timedate1.set-local-rtc",
+ NULL,
+ interactive,
+ UID_INVALID,
+ &c->polkit_registry,
+ error);
+ if (r < 0)
+ return r;
+ if (r == 0)
+ return 1;
+
+ c->local_rtc = lrtc;
+
+ /* 1. Write new configuration file */
+ r = context_write_data_local_rtc(c);
+ if (r < 0) {
+ 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: %m");
+ }
+
+ /* 2. Tell the kernel our timezone */
+ clock_set_timezone(NULL);
+
+ /* 3. Synchronize clocks */
+ assert_se(clock_gettime(CLOCK_REALTIME, &ts) == 0);
+
+ if (fix_system) {
+ struct tm tm;
+
+ /* Sync system clock from RTC; first,
+ * initialize the timezone fields of
+ * struct tm. */
+ if (c->local_rtc)
+ tm = *localtime(&ts.tv_sec);
+ else
+ tm = *gmtime(&ts.tv_sec);
+
+ /* Override the main fields of
+ * struct tm, but not the timezone
+ * fields */
+ if (clock_get_hwclock(&tm) >= 0) {
+
+ /* And set the system clock
+ * with this */
+ if (c->local_rtc)
+ ts.tv_sec = mktime(&tm);
+ else
+ ts.tv_sec = timegm(&tm);
+
+ clock_settime(CLOCK_REALTIME, &ts);
+ }
+
+ } else {
+ struct tm *tm;
+
+ /* Sync RTC from system clock */
+ if (c->local_rtc)
+ tm = localtime(&ts.tv_sec);
+ else
+ tm = gmtime(&ts.tv_sec);
+
+ clock_set_hwclock(tm);
+ }
+
+ log_info("RTC configured to %s time.", c->local_rtc ? "local" : "UTC");
+
+ (void) sd_bus_emit_properties_changed(sd_bus_message_get_bus(m), "/org/freedesktop/timedate1", "org.freedesktop.timedate1", "LocalRTC", NULL);
+
+ return sd_bus_reply_method_return(m, NULL);
+}
+
+static int method_set_time(sd_bus_message *m, void *userdata, sd_bus_error *error) {
+ int relative, interactive;
+ Context *c = userdata;
+ int64_t utc;
+ struct timespec ts;
+ usec_t start;
+ struct tm* tm;
+ int r;
+
+ 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");
+
+ /* 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;
+
+ if (!relative && utc <= 0)
+ return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid absolute time");
+
+ if (relative && utc == 0)
+ return sd_bus_reply_method_return(m, NULL);
+
+ if (relative) {
+ usec_t n, x;
+
+ n = now(CLOCK_REALTIME);
+ x = n + utc;
+
+ if ((utc > 0 && x < n) ||
+ (utc < 0 && x > n))
+ return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Time value overflow");
+
+ timespec_store(&ts, x);
+ } else
+ timespec_store(&ts, (usec_t) utc);
+
+ r = bus_verify_polkit_async(
+ m,
+ CAP_SYS_TIME,
+ "org.freedesktop.timedate1.set-time",
+ NULL,
+ 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_errno(errno, "Failed to set local time: %m");
+ return sd_bus_error_set_errnof(error, errno, "Failed to set local time: %m");
+ }
+
+ /* Sync down to RTC */
+ if (c->local_rtc)
+ tm = localtime(&ts.tv_sec);
+ else
+ tm = gmtime(&ts.tv_sec);
+ clock_set_hwclock(tm);
+
+ log_struct(LOG_INFO,
+ LOG_MESSAGE_ID(SD_MESSAGE_TIME_CHANGE),
+ "REALTIME="USEC_FMT, timespec_load(&ts),
+ 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_message *m, void *userdata, sd_bus_error *error) {
+ int enabled, interactive;
+ Context *c = userdata;
+ int r;
+
+ assert(m);
+ assert(c);
+
+ r = sd_bus_message_read(m, "bb", &enabled, &interactive);
+ if (r < 0)
+ return r;
+
+ if ((bool)enabled == c->use_ntp)
+ return sd_bus_reply_method_return(m, NULL);
+
+ r = bus_verify_polkit_async(
+ m,
+ CAP_SYS_TIME,
+ "org.freedesktop.timedate1.set-ntp",
+ NULL,
+ interactive,
+ UID_INVALID,
+ &c->polkit_registry,
+ error);
+ if (r < 0)
+ return r;
+ if (r == 0)
+ return 1;
+
+ r = context_enable_ntp(sd_bus_message_get_bus(m), error, enabled);
+ if (r < 0)
+ return r;
+
+ r = context_start_ntp(sd_bus_message_get_bus(m), error, enabled);
+ if (r < 0)
+ return r;
+
+ c->use_ntp = enabled;
+ log_info("Set NTP to %s", enabled ? "enabled" : "disabled");
+
+ (void) sd_bus_emit_properties_changed(sd_bus_message_get_bus(m), "/org/freedesktop/timedate1", "org.freedesktop.timedate1", "NTP", NULL);
+
+ return sd_bus_reply_method_return(m, NULL);
+}
+
+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", 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),
+ SD_BUS_METHOD("SetTime", "xbb", NULL, method_set_time, SD_BUS_VTABLE_UNPRIVILEGED),
+ SD_BUS_METHOD("SetTimezone", "sb", NULL, method_set_timezone, SD_BUS_VTABLE_UNPRIVILEGED),
+ SD_BUS_METHOD("SetLocalRTC", "bbb", NULL, method_set_local_rtc, SD_BUS_VTABLE_UNPRIVILEGED),
+ SD_BUS_METHOD("SetNTP", "bb", NULL, method_set_ntp, SD_BUS_VTABLE_UNPRIVILEGED),
+ SD_BUS_VTABLE_END,
+};
+
+static int connect_bus(Context *c, sd_event *event, sd_bus **_bus) {
+ _cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL;
+ int r;
+
+ assert(c);
+ assert(event);
+ assert(_bus);
+
+ r = sd_bus_default_system(&bus);
+ 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)
+ return log_error_errno(r, "Failed to register object: %m");
+
+ r = sd_bus_request_name(bus, "org.freedesktop.timedate1", 0);
+ if (r < 0)
+ return log_error_errno(r, "Failed to register 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;
+
+ return 0;
+}
+
+int main(int argc, char *argv[]) {
+ Context context = {};
+ _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);
+ log_parse_environment();
+ log_open();
+
+ umask(0022);
+
+ if (argc != 1) {
+ log_error("This program takes no arguments.");
+ r = -EINVAL;
+ goto finish;
+ }
+
+ r = sd_event_default(&event);
+ if (r < 0) {
+ log_error_errno(r, "Failed to allocate event loop: %m");
+ goto finish;
+ }
+
+ sd_event_set_watchdog(event, true);
+
+ r = connect_bus(&context, event, &bus);
+ if (r < 0)
+ goto finish;
+
+ (void) sd_bus_negotiate_timestamp(bus, true);
+
+ r = context_read_data(&context);
+ if (r < 0) {
+ log_error_errno(r, "Failed to read time zone data: %m");
+ goto finish;
+ }
+
+ r = context_read_ntp(&context, bus);
+ if (r < 0) {
+ 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_errno(r, "Failed to run event loop: %m");
+ goto finish;
+ }
+
+finish:
+ context_free(&context);
+
+ return r < 0 ? EXIT_FAILURE : EXIT_SUCCESS;
+}
diff --git a/src/grp-timedate/timedatectl/Makefile b/src/grp-timedate/timedatectl/Makefile
new file mode 100644
index 0000000000..c1be945443
--- /dev/null
+++ b/src/grp-timedate/timedatectl/Makefile
@@ -0,0 +1,42 @@
+# -*- Mode: makefile; indent-tabs-mode: t -*-
+#
+# This file is part of systemd.
+#
+# Copyright 2010-2012 Lennart Poettering
+# Copyright 2010-2012 Kay Sievers
+# Copyright 2013 Zbigniew Jędrzejewski-Szmek
+# Copyright 2013 David Strauss
+# Copyright 2016 Luke Shumaker
+#
+# 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 $(dir $(lastword $(MAKEFILE_LIST)))/../../../config.mk
+include $(topsrcdir)/build-aux/Makefile.head.mk
+
+ifneq ($(ENABLE_TIMEDATED),)
+timedatectl_SOURCES = \
+ src/timedate/timedatectl.c
+
+timedatectl_LDADD = \
+ libshared.la
+
+bin_PROGRAMS += \
+ timedatectl
+
+dist_bashcompletion_data += \
+ shell-completion/bash/timedatectl
+
+dist_zshcompletion_data += \
+ shell-completion/zsh/_timedatectl
+endif # ENABLE_TIMEDATED
+include $(topsrcdir)/build-aux/Makefile.tail.mk
diff --git a/src/grp-timedate/timedatectl/timedatectl.c b/src/grp-timedate/timedatectl/timedatectl.c
new file mode 100644
index 0000000000..1fd542fb49
--- /dev/null
+++ b/src/grp-timedate/timedatectl/timedatectl.c
@@ -0,0 +1,506 @@
+/***
+ This file is part of systemd.
+
+ Copyright 2012 Lennart Poettering
+ Copyright 2013 Kay Sievers
+
+ 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 <getopt.h>
+#include <locale.h>
+#include <stdbool.h>
+#include <stdlib.h>
+
+#include <systemd/sd-bus.h>
+
+#include "bus-error.h"
+#include "bus-util.h"
+#include "pager.h"
+#include "parse-util.h"
+#include "spawn-polkit-agent.h"
+#include "strv.h"
+#include "terminal-util.h"
+#include "util.h"
+
+static bool arg_no_pager = false;
+static bool arg_ask_password = true;
+static BusTransport arg_transport = BUS_TRANSPORT_LOCAL;
+static char *arg_host = NULL;
+static bool arg_adjust_system_clock = false;
+
+static void polkit_agent_open_if_enabled(void) {
+
+ /* Open the polkit agent as a child process if necessary */
+ if (!arg_ask_password)
+ return;
+
+ if (arg_transport != BUS_TRANSPORT_LOCAL)
+ return;
+
+ polkit_agent_open();
+}
+
+typedef struct StatusInfo {
+ usec_t time;
+ char *timezone;
+
+ usec_t rtc_time;
+ bool rtc_local;
+
+ bool ntp_enabled;
+ bool ntp_capable;
+ bool ntp_synced;
+} StatusInfo;
+
+static void status_info_clear(StatusInfo *info) {
+ if (info) {
+ free(info->timezone);
+ zero(*info);
+ }
+}
+
+static void print_status_info(const StatusInfo *i) {
+ char a[FORMAT_TIMESTAMP_MAX];
+ struct tm tm;
+ time_t sec;
+ bool have_time = false;
+ const char *old_tz = NULL, *tz;
+ int r;
+
+ assert(i);
+
+ /* Save the old $TZ */
+ tz = getenv("TZ");
+ if (tz)
+ old_tz = strdupa(tz);
+
+ /* Set the new $TZ */
+ if (setenv("TZ", isempty(i->timezone) ? "UTC" : i->timezone, true) < 0)
+ log_warning_errno(errno, "Failed to set TZ environment variable, ignoring: %m");
+ else
+ tzset();
+
+ if (i->time != 0) {
+ sec = (time_t) (i->time / USEC_PER_SEC);
+ have_time = true;
+ } else if (IN_SET(arg_transport, BUS_TRANSPORT_LOCAL, BUS_TRANSPORT_MACHINE)) {
+ sec = time(NULL);
+ have_time = true;
+ } else
+ log_warning("Could not get time from timedated and not operating locally, ignoring.");
+
+ if (have_time) {
+ xstrftime(a, "%a %Y-%m-%d %H:%M:%S %Z", localtime_r(&sec, &tm));
+ printf(" Local time: %.*s\n", (int) sizeof(a), a);
+
+ xstrftime(a, "%a %Y-%m-%d %H:%M:%S UTC", gmtime_r(&sec, &tm));
+ printf(" Universal time: %.*s\n", (int) sizeof(a), a);
+ } else {
+ printf(" Local time: %s\n", "n/a");
+ printf(" Universal time: %s\n", "n/a");
+ }
+
+ if (i->rtc_time > 0) {
+ time_t rtc_sec;
+
+ rtc_sec = (time_t) (i->rtc_time / USEC_PER_SEC);
+ xstrftime(a, "%a %Y-%m-%d %H:%M:%S", gmtime_r(&rtc_sec, &tm));
+ printf(" RTC time: %.*s\n", (int) sizeof(a), a);
+ } else
+ printf(" RTC time: %s\n", "n/a");
+
+ if (have_time)
+ xstrftime(a, "%Z, %z", localtime_r(&sec, &tm));
+
+ /* Restore the $TZ */
+ if (old_tz)
+ r = setenv("TZ", old_tz, true);
+ else
+ r = unsetenv("TZ");
+ if (r < 0)
+ log_warning_errno(errno, "Failed to set TZ environment variable, ignoring: %m");
+ else
+ tzset();
+
+ printf(" Time zone: %s (%.*s)\n"
+ " Network time on: %s\n"
+ "NTP synchronized: %s\n"
+ " RTC in local TZ: %s\n",
+ strna(i->timezone), (int) sizeof(a), have_time ? a : "n/a",
+ i->ntp_capable ? yes_no(i->ntp_enabled) : "n/a",
+ yes_no(i->ntp_synced),
+ yes_no(i->rtc_local));
+
+ if (i->rtc_local)
+ fputs("\n" ANSI_HIGHLIGHT
+ "Warning: The system is configured to read the RTC time in the local time zone.\n"
+ " This mode can not be fully supported. It will create various problems\n"
+ " with time zone changes and daylight saving time adjustments. The RTC\n"
+ " time is never updated, it relies on external facilities to maintain it.\n"
+ " If at all possible, use RTC in UTC by calling\n"
+ " 'timedatectl set-local-rtc 0'." ANSI_NORMAL "\n", stdout);
+}
+
+static int show_status(sd_bus *bus, char **args, unsigned n) {
+ _cleanup_(status_info_clear) StatusInfo info = {};
+ static const struct bus_properties_map map[] = {
+ { "Timezone", "s", NULL, offsetof(StatusInfo, timezone) },
+ { "LocalRTC", "b", NULL, offsetof(StatusInfo, rtc_local) },
+ { "NTP", "b", NULL, offsetof(StatusInfo, ntp_enabled) },
+ { "CanNTP", "b", NULL, offsetof(StatusInfo, ntp_capable) },
+ { "NTPSynchronized", "b", NULL, offsetof(StatusInfo, ntp_synced) },
+ { "TimeUSec", "t", NULL, offsetof(StatusInfo, time) },
+ { "RTCTimeUSec", "t", NULL, offsetof(StatusInfo, rtc_time) },
+ {}
+ };
+ int r;
+
+ assert(bus);
+
+ r = bus_map_all_properties(bus,
+ "org.freedesktop.timedate1",
+ "/org/freedesktop/timedate1",
+ map,
+ &info);
+ if (r < 0)
+ return log_error_errno(r, "Failed to query server: %m");
+
+ print_status_info(&info);
+
+ return r;
+}
+
+static int set_time(sd_bus *bus, char **args, unsigned n) {
+ _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
+ bool relative = false, interactive = arg_ask_password;
+ usec_t t;
+ int r;
+
+ assert(args);
+ assert(n == 2);
+
+ polkit_agent_open_if_enabled();
+
+ r = parse_timestamp(args[1], &t);
+ if (r < 0) {
+ log_error("Failed to parse time specification: %s", args[1]);
+ return r;
+ }
+
+ r = sd_bus_call_method(bus,
+ "org.freedesktop.timedate1",
+ "/org/freedesktop/timedate1",
+ "org.freedesktop.timedate1",
+ "SetTime",
+ &error,
+ NULL,
+ "xbb", (int64_t)t, relative, interactive);
+ if (r < 0)
+ log_error("Failed to set time: %s", bus_error_message(&error, -r));
+
+ return r;
+}
+
+static int set_timezone(sd_bus *bus, char **args, unsigned n) {
+ _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
+ int r;
+
+ assert(args);
+ assert(n == 2);
+
+ polkit_agent_open_if_enabled();
+
+ r = sd_bus_call_method(bus,
+ "org.freedesktop.timedate1",
+ "/org/freedesktop/timedate1",
+ "org.freedesktop.timedate1",
+ "SetTimezone",
+ &error,
+ NULL,
+ "sb", args[1], arg_ask_password);
+ if (r < 0)
+ log_error("Failed to set time zone: %s", bus_error_message(&error, -r));
+
+ return r;
+}
+
+static int set_local_rtc(sd_bus *bus, char **args, unsigned n) {
+ _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
+ int r, b;
+
+ assert(args);
+ assert(n == 2);
+
+ polkit_agent_open_if_enabled();
+
+ b = parse_boolean(args[1]);
+ if (b < 0) {
+ log_error("Failed to parse local RTC setting: %s", args[1]);
+ return b;
+ }
+
+ r = sd_bus_call_method(bus,
+ "org.freedesktop.timedate1",
+ "/org/freedesktop/timedate1",
+ "org.freedesktop.timedate1",
+ "SetLocalRTC",
+ &error,
+ NULL,
+ "bbb", b, arg_adjust_system_clock, arg_ask_password);
+ if (r < 0)
+ log_error("Failed to set local RTC: %s", bus_error_message(&error, -r));
+
+ return r;
+}
+
+static int set_ntp(sd_bus *bus, char **args, unsigned n) {
+ _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
+ int b, r;
+
+ assert(args);
+ assert(n == 2);
+
+ polkit_agent_open_if_enabled();
+
+ b = parse_boolean(args[1]);
+ if (b < 0) {
+ log_error("Failed to parse NTP setting: %s", args[1]);
+ return b;
+ }
+
+ r = sd_bus_call_method(bus,
+ "org.freedesktop.timedate1",
+ "/org/freedesktop/timedate1",
+ "org.freedesktop.timedate1",
+ "SetNTP",
+ &error,
+ NULL,
+ "bb", b, arg_ask_password);
+ if (r < 0)
+ log_error("Failed to set ntp: %s", bus_error_message(&error, -r));
+
+ return r;
+}
+
+static int list_timezones(sd_bus *bus, char **args, unsigned n) {
+ _cleanup_strv_free_ char **zones = NULL;
+ int r;
+
+ assert(args);
+ assert(n == 1);
+
+ r = get_timezones(&zones);
+ if (r < 0)
+ return log_error_errno(r, "Failed to read list of time zones: %m");
+
+ pager_open(arg_no_pager, false);
+ strv_print(zones);
+
+ return 0;
+}
+
+static void help(void) {
+ printf("%s [OPTIONS...] COMMAND ...\n\n"
+ "Query or change system time and date settings.\n\n"
+ " -h --help Show this help message\n"
+ " --version Show package version\n"
+ " --no-pager Do not pipe output into a pager\n"
+ " --no-ask-password Do not prompt for password\n"
+ " -H --host=[USER@]HOST Operate on remote host\n"
+ " -M --machine=CONTAINER Operate on local container\n"
+ " --adjust-system-clock Adjust system clock when changing local RTC mode\n\n"
+ "Commands:\n"
+ " status Show current time settings\n"
+ " set-time TIME Set system time\n"
+ " set-timezone ZONE Set system time zone\n"
+ " list-timezones Show known time zones\n"
+ " set-local-rtc BOOL Control whether RTC is in local time\n"
+ " set-ntp BOOL Enable or disable network time synchronization\n",
+ program_invocation_short_name);
+}
+
+static int parse_argv(int argc, char *argv[]) {
+
+ enum {
+ ARG_VERSION = 0x100,
+ ARG_NO_PAGER,
+ ARG_ADJUST_SYSTEM_CLOCK,
+ ARG_NO_ASK_PASSWORD
+ };
+
+ static const struct option options[] = {
+ { "help", no_argument, NULL, 'h' },
+ { "version", no_argument, NULL, ARG_VERSION },
+ { "no-pager", no_argument, NULL, ARG_NO_PAGER },
+ { "host", required_argument, NULL, 'H' },
+ { "machine", required_argument, NULL, 'M' },
+ { "no-ask-password", no_argument, NULL, ARG_NO_ASK_PASSWORD },
+ { "adjust-system-clock", no_argument, NULL, ARG_ADJUST_SYSTEM_CLOCK },
+ {}
+ };
+
+ int c;
+
+ assert(argc >= 0);
+ assert(argv);
+
+ while ((c = getopt_long(argc, argv, "hH:M:", options, NULL)) >= 0)
+
+ switch (c) {
+
+ case 'h':
+ help();
+ return 0;
+
+ case ARG_VERSION:
+ return version();
+
+ case 'H':
+ arg_transport = BUS_TRANSPORT_REMOTE;
+ arg_host = optarg;
+ break;
+
+ case 'M':
+ arg_transport = BUS_TRANSPORT_MACHINE;
+ arg_host = optarg;
+ break;
+
+ case ARG_NO_ASK_PASSWORD:
+ arg_ask_password = false;
+ break;
+
+ case ARG_ADJUST_SYSTEM_CLOCK:
+ arg_adjust_system_clock = true;
+ break;
+
+ case ARG_NO_PAGER:
+ arg_no_pager = true;
+ break;
+
+ case '?':
+ return -EINVAL;
+
+ default:
+ assert_not_reached("Unhandled option");
+ }
+
+ return 1;
+}
+
+static int timedatectl_main(sd_bus *bus, int argc, char *argv[]) {
+
+ static const struct {
+ const char* verb;
+ const enum {
+ MORE,
+ LESS,
+ EQUAL
+ } argc_cmp;
+ const int argc;
+ int (* const dispatch)(sd_bus *bus, char **args, unsigned n);
+ } verbs[] = {
+ { "status", LESS, 1, show_status },
+ { "set-time", EQUAL, 2, set_time },
+ { "set-timezone", EQUAL, 2, set_timezone },
+ { "list-timezones", EQUAL, 1, list_timezones },
+ { "set-local-rtc", EQUAL, 2, set_local_rtc },
+ { "set-ntp", EQUAL, 2, set_ntp, },
+ };
+
+ int left;
+ unsigned i;
+
+ assert(argc >= 0);
+ assert(argv);
+
+ left = argc - optind;
+
+ if (left <= 0)
+ /* Special rule: no arguments means "status" */
+ i = 0;
+ else {
+ if (streq(argv[optind], "help")) {
+ help();
+ return 0;
+ }
+
+ for (i = 0; i < ELEMENTSOF(verbs); i++)
+ if (streq(argv[optind], verbs[i].verb))
+ break;
+
+ if (i >= ELEMENTSOF(verbs)) {
+ log_error("Unknown operation %s", argv[optind]);
+ return -EINVAL;
+ }
+ }
+
+ switch (verbs[i].argc_cmp) {
+
+ case EQUAL:
+ if (left != verbs[i].argc) {
+ log_error("Invalid number of arguments.");
+ return -EINVAL;
+ }
+
+ break;
+
+ case MORE:
+ if (left < verbs[i].argc) {
+ log_error("Too few arguments.");
+ return -EINVAL;
+ }
+
+ break;
+
+ case LESS:
+ if (left > verbs[i].argc) {
+ log_error("Too many arguments.");
+ return -EINVAL;
+ }
+
+ break;
+
+ default:
+ assert_not_reached("Unknown comparison operator.");
+ }
+
+ return verbs[i].dispatch(bus, argv + optind, left);
+}
+
+int main(int argc, char *argv[]) {
+ _cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL;
+ int r;
+
+ setlocale(LC_ALL, "");
+ log_parse_environment();
+ log_open();
+
+ r = parse_argv(argc, argv);
+ if (r <= 0)
+ goto finish;
+
+ r = bus_connect_transport(arg_transport, arg_host, false, &bus);
+ if (r < 0) {
+ log_error_errno(r, "Failed to create bus connection: %m");
+ goto finish;
+ }
+
+ r = timedatectl_main(bus, argc, argv);
+
+finish:
+ pager_close();
+
+ return r < 0 ? EXIT_FAILURE : EXIT_SUCCESS;
+}
generated by cgit v1.2.3-54-g00ecf (git 2.45.2) at 2024-07-03 14:59:03 +0000