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Diffstat (limited to 'src/timedate/timedatectl.c')
-rw-r--r--src/timedate/timedatectl.c719
1 files changed, 0 insertions, 719 deletions
diff --git a/src/timedate/timedatectl.c b/src/timedate/timedatectl.c
deleted file mode 100644
index c96377f829..0000000000
--- a/src/timedate/timedatectl.c
+++ /dev/null
@@ -1,719 +0,0 @@
-/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
-
-/***
- This file is part of systemd.
-
- Copyright 2012 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 <stdlib.h>
-#include <stdbool.h>
-#include <unistd.h>
-#include <getopt.h>
-#include <locale.h>
-#include <string.h>
-#include <sys/timex.h>
-
-#include "dbus-common.h"
-#include "util.h"
-#include "spawn-polkit-agent.h"
-#include "build.h"
-#include "hwclock.h"
-#include "strv.h"
-#include "pager.h"
-#include "time-dst.h"
-
-static bool arg_adjust_system_clock = false;
-static bool arg_no_pager = false;
-static enum transport {
- TRANSPORT_NORMAL,
- TRANSPORT_SSH,
- TRANSPORT_POLKIT
-} arg_transport = TRANSPORT_NORMAL;
-static bool arg_ask_password = true;
-static const char *arg_host = NULL;
-
-static void pager_open_if_enabled(void) {
-
- if (arg_no_pager)
- return;
-
- pager_open();
-}
-
-static void polkit_agent_open_if_enabled(void) {
-
- /* Open the polkit agent as a child process if necessary */
-
- if (!arg_ask_password)
- return;
-
- polkit_agent_open();
-}
-
-typedef struct StatusInfo {
- const char *timezone;
- bool local_rtc;
- bool ntp;
-} StatusInfo;
-
-static bool ntp_synced(void) {
- struct timex txc;
-
- zero(txc);
- if (adjtimex(&txc) < 0)
- return false;
-
- if (txc.status & STA_UNSYNC)
- return false;
-
- return true;
-}
-
-static const char *jump_str(int delta_minutes, char *s, size_t size) {
- if (delta_minutes == 60)
- return "one hour forward";
- if (delta_minutes == -60)
- return "one hour backwards";
- if (delta_minutes < 0) {
- snprintf(s, size, "%i minutes backwards", -delta_minutes);
- return s;
- }
- if (delta_minutes > 0) {
- snprintf(s, size, "%i minutes forward", delta_minutes);
- return s;
- }
- return "";
-}
-
-static void print_status_info(StatusInfo *i) {
- usec_t n;
- char a[FORMAT_TIMESTAMP_MAX];
- char b[FORMAT_TIMESTAMP_MAX];
- char s[32];
- struct tm tm;
- time_t sec;
- char *zc, *zn;
- time_t t, tc, tn;
- int dn;
- bool is_dstc, is_dstn;
- int r;
-
- assert(i);
-
- /* enforce the values of /etc/localtime */
- if (getenv("TZ")) {
- fprintf(stderr, "Warning: ignoring the TZ variable, reading the system's timezone setting only.\n\n");
- unsetenv("TZ");
- }
-
- n = now(CLOCK_REALTIME);
- sec = (time_t) (n / USEC_PER_SEC);
-
- zero(tm);
- assert_se(strftime(a, sizeof(a), "%a, %Y-%m-%d %H:%M:%S %Z", localtime_r(&sec, &tm)) > 0);
- char_array_0(a);
- printf(" Local time: %s\n", a);
-
- zero(tm);
- assert_se(strftime(a, sizeof(a), "%a, %Y-%m-%d %H:%M:%S UTC", gmtime_r(&sec, &tm)) > 0);
- char_array_0(a);
- printf(" Universal time: %s\n", a);
-
- zero(tm);
- r = hwclock_get_time(&tm);
- if (r >= 0) {
- /* Calculcate the week-day */
- mktime(&tm);
-
- assert_se(strftime(a, sizeof(a), "%a, %Y-%m-%d %H:%M:%S", &tm) > 0);
- char_array_0(a);
- printf(" RTC time: %s\n", a);
- }
-
- zero(tm);
- assert_se(strftime(a, sizeof(a), "%z", localtime_r(&sec, &tm)) > 0);
- char_array_0(a);
- printf(" Timezone: %s\n"
- " UTC offset: %s\n"
- " NTP enabled: %s\n"
- "NTP synchronized: %s\n"
- " RTC in local TZ: %s\n",
- strna(i->timezone),
- a,
- yes_no(i->ntp),
- yes_no(ntp_synced()),
- yes_no(i->local_rtc));
-
- r = time_get_dst(sec, "/etc/localtime",
- &tc, &zc, &is_dstc,
- &tn, &dn, &zn, &is_dstn);
- if (r < 0)
- printf(" DST active: n/a\n");
- else {
- printf(" DST active: %s\n", yes_no(is_dstc));
-
- t = tc - 1;
- zero(tm);
- assert_se(strftime(a, sizeof(a), "%a, %Y-%m-%d %H:%M:%S %Z", localtime_r(&t, &tm)) > 0);
- char_array_0(a);
-
- zero(tm);
- assert_se(strftime(b, sizeof(b), "%a, %Y-%m-%d %H:%M:%S %Z", localtime_r(&tc, &tm)) > 0);
- char_array_0(b);
- printf(" Last DST change: %s → %s, DST became %s\n"
- " %s\n"
- " %s\n",
- strna(zn), strna(zc), is_dstc ? "active" : "inactive", a, b);
-
- t = tn - 1;
- zero(tm);
- assert_se(strftime(a, sizeof(a), "%a, %Y-%m-%d %H:%M:%S %Z", localtime_r(&t, &tm)) > 0);
- char_array_0(a);
-
- zero(tm);
- assert_se(strftime(b, sizeof(b), "%a, %Y-%m-%d %H:%M:%S %Z", localtime_r(&tn, &tm)) > 0);
- char_array_0(b);
- printf(" Next DST change: %s → %s, DST will become %s\n"
- " the clock will jump %s\n"
- " %s\n"
- " %s\n",
- strna(zc), strna(zn), is_dstn ? "active" : "inactive", jump_str(dn, s, sizeof(s)), a, b);
-
- free(zc);
- free(zn);
- }
-
- if (i->local_rtc)
- fputs("\n" ANSI_HIGHLIGHT_ON
- "Warning: The RTC is configured to maintain time in the local time zone. This\n"
- " mode is not fully supported and will create various problems with time\n"
- " zone changes and daylight saving adjustments. If at all possible use\n"
- " RTC in UTC, by calling 'timedatectl set-local-rtc 0'" ANSI_HIGHLIGHT_OFF ".\n", stdout);
-}
-
-static int status_property(const char *name, DBusMessageIter *iter, StatusInfo *i) {
- assert(name);
- assert(iter);
-
- switch (dbus_message_iter_get_arg_type(iter)) {
-
- case DBUS_TYPE_STRING: {
- const char *s;
-
- dbus_message_iter_get_basic(iter, &s);
- if (!isempty(s)) {
- if (streq(name, "Timezone"))
- i->timezone = s;
- }
- break;
- }
-
- case DBUS_TYPE_BOOLEAN: {
- dbus_bool_t b;
-
- dbus_message_iter_get_basic(iter, &b);
- if (streq(name, "LocalRTC"))
- i->local_rtc = b;
- else if (streq(name, "NTP"))
- i->ntp = b;
- }
- }
-
- return 0;
-}
-
-static int show_status(DBusConnection *bus, char **args, unsigned n) {
- _cleanup_dbus_message_unref_ DBusMessage *reply = NULL;
- const char *interface = "";
- int r;
- DBusMessageIter iter, sub, sub2, sub3;
- StatusInfo info;
-
- assert(args);
-
- r = bus_method_call_with_reply(
- bus,
- "org.freedesktop.timedate1",
- "/org/freedesktop/timedate1",
- "org.freedesktop.DBus.Properties",
- "GetAll",
- &reply,
- NULL,
- DBUS_TYPE_STRING, &interface,
- DBUS_TYPE_INVALID);
- if (r < 0)
- return r;
-
- if (!dbus_message_iter_init(reply, &iter) ||
- dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_ARRAY ||
- dbus_message_iter_get_element_type(&iter) != DBUS_TYPE_DICT_ENTRY) {
- log_error("Failed to parse reply.");
- return -EIO;
- }
-
- zero(info);
- dbus_message_iter_recurse(&iter, &sub);
-
- while (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_INVALID) {
- const char *name;
-
- if (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_DICT_ENTRY) {
- log_error("Failed to parse reply.");
- return -EIO;
- }
-
- dbus_message_iter_recurse(&sub, &sub2);
-
- if (bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &name, true) < 0) {
- log_error("Failed to parse reply.");
- return -EIO;
- }
-
- if (dbus_message_iter_get_arg_type(&sub2) != DBUS_TYPE_VARIANT) {
- log_error("Failed to parse reply.");
- return -EIO;
- }
-
- dbus_message_iter_recurse(&sub2, &sub3);
-
- r = status_property(name, &sub3, &info);
- if (r < 0) {
- log_error("Failed to parse reply.");
- return r;
- }
-
- dbus_message_iter_next(&sub);
- }
-
- print_status_info(&info);
- return 0;
-}
-
-static int set_time(DBusConnection *bus, char **args, unsigned n) {
- _cleanup_dbus_message_unref_ DBusMessage *reply = NULL;
- dbus_bool_t relative = false, interactive = true;
- usec_t t;
- dbus_int64_t u;
- 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;
- }
-
- u = (dbus_uint64_t) t;
-
- return bus_method_call_with_reply(
- bus,
- "org.freedesktop.timedate1",
- "/org/freedesktop/timedate1",
- "org.freedesktop.timedate1",
- "SetTime",
- &reply,
- NULL,
- DBUS_TYPE_INT64, &u,
- DBUS_TYPE_BOOLEAN, &relative,
- DBUS_TYPE_BOOLEAN, &interactive,
- DBUS_TYPE_INVALID);
-}
-
-static int set_timezone(DBusConnection *bus, char **args, unsigned n) {
- _cleanup_dbus_message_unref_ DBusMessage *reply = NULL;
- dbus_bool_t interactive = true;
-
- assert(args);
- assert(n == 2);
-
- polkit_agent_open_if_enabled();
-
- return bus_method_call_with_reply(
- bus,
- "org.freedesktop.timedate1",
- "/org/freedesktop/timedate1",
- "org.freedesktop.timedate1",
- "SetTimezone",
- &reply,
- NULL,
- DBUS_TYPE_STRING, &args[1],
- DBUS_TYPE_BOOLEAN, &interactive,
- DBUS_TYPE_INVALID);
-}
-
-static int set_local_rtc(DBusConnection *bus, char **args, unsigned n) {
- _cleanup_dbus_message_unref_ DBusMessage *reply = NULL;
- dbus_bool_t interactive = true, b, q;
- int r;
-
- assert(args);
- assert(n == 2);
-
- polkit_agent_open_if_enabled();
-
- r = parse_boolean(args[1]);
- if (r < 0) {
- log_error("Failed to parse local RTC setting: %s", args[1]);
- return r;
- }
-
- b = r;
- q = arg_adjust_system_clock;
-
- return bus_method_call_with_reply(
- bus,
- "org.freedesktop.timedate1",
- "/org/freedesktop/timedate1",
- "org.freedesktop.timedate1",
- "SetLocalRTC",
- &reply,
- NULL,
- DBUS_TYPE_BOOLEAN, &b,
- DBUS_TYPE_BOOLEAN, &q,
- DBUS_TYPE_BOOLEAN, &interactive,
- DBUS_TYPE_INVALID);
-}
-
-static int set_ntp(DBusConnection *bus, char **args, unsigned n) {
- _cleanup_dbus_message_unref_ DBusMessage *reply = NULL;
- dbus_bool_t interactive = true, b;
- int r;
-
- assert(args);
- assert(n == 2);
-
- polkit_agent_open_if_enabled();
-
- r = parse_boolean(args[1]);
- if (r < 0) {
- log_error("Failed to parse NTP setting: %s", args[1]);
- return r;
- }
-
- b = r;
-
- return bus_method_call_with_reply(
- bus,
- "org.freedesktop.timedate1",
- "/org/freedesktop/timedate1",
- "org.freedesktop.timedate1",
- "SetNTP",
- &reply,
- NULL,
- DBUS_TYPE_BOOLEAN, &b,
- DBUS_TYPE_BOOLEAN, &interactive,
- DBUS_TYPE_INVALID);
-}
-
-static int list_timezones(DBusConnection *bus, char **args, unsigned n) {
- _cleanup_fclose_ FILE *f = NULL;
- _cleanup_strv_free_ char **zones = NULL;
- size_t n_zones = 0;
- char **i;
-
- assert(args);
- assert(n == 1);
-
- f = fopen("/usr/share/zoneinfo/zone.tab", "re");
- if (!f) {
- log_error("Failed to open timezone database: %m");
- return -errno;
- }
-
- for (;;) {
- char l[LINE_MAX], *p, **z, *w;
- size_t k;
-
- if (!fgets(l, sizeof(l), f)) {
- if (feof(f))
- break;
-
- log_error("Failed to read timezone database: %m");
- return -errno;
- }
-
- p = strstrip(l);
-
- if (isempty(p) || *p == '#')
- continue;
-
-
- /* Skip over country code */
- p += strcspn(p, WHITESPACE);
- p += strspn(p, WHITESPACE);
-
- /* Skip over coordinates */
- p += strcspn(p, WHITESPACE);
- p += strspn(p, WHITESPACE);
-
- /* Found timezone name */
- k = strcspn(p, WHITESPACE);
- if (k <= 0)
- continue;
-
- w = strndup(p, k);
- if (!w)
- return log_oom();
-
- z = realloc(zones, sizeof(char*) * (n_zones + 2));
- if (!z) {
- free(w);
- return log_oom();
- }
-
- zones = z;
- zones[n_zones++] = w;
- }
-
- if (zones)
- zones[n_zones] = NULL;
-
- pager_open_if_enabled();
-
- strv_sort(zones);
- STRV_FOREACH(i, zones)
- puts(*i);
-
- return 0;
-}
-
-static int help(void) {
-
- printf("%s [OPTIONS...] COMMAND ...\n\n"
- "Query or change system time and date settings.\n\n"
- " -h --help Show this help\n"
- " --version Show package version\n"
- " --adjust-system-clock\n"
- " Adjust system clock when changing local RTC mode\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\n"
- "Commands:\n"
- " status Show current time settings\n"
- " set-time TIME Set system time\n"
- " set-timezone ZONE Set system timezone\n"
- " list-timezones Show known timezones\n"
- " set-local-rtc BOOL Control whether RTC is in local time\n"
- " set-ntp BOOL Control whether NTP is enabled\n",
- program_invocation_short_name);
-
- return 0;
-}
-
-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' },
- { "privileged", no_argument, NULL, 'P' },
- { "no-ask-password", no_argument, NULL, ARG_NO_ASK_PASSWORD },
- { "adjust-system-clock", no_argument, NULL, ARG_ADJUST_SYSTEM_CLOCK },
- { NULL, 0, NULL, 0 }
- };
-
- int c;
-
- assert(argc >= 0);
- assert(argv);
-
- while ((c = getopt_long(argc, argv, "+hH:P", options, NULL)) >= 0) {
-
- switch (c) {
-
- case 'h':
- help();
- return 0;
-
- case ARG_VERSION:
- puts(PACKAGE_STRING);
- puts(DISTRIBUTION);
- puts(SYSTEMD_FEATURES);
- return 0;
-
- case 'P':
- arg_transport = TRANSPORT_POLKIT;
- break;
-
- case 'H':
- arg_transport = TRANSPORT_SSH;
- arg_host = optarg;
- 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:
- log_error("Unknown option code %c", c);
- return -EINVAL;
- }
- }
-
- return 1;
-}
-
-static int timedatectl_main(DBusConnection *bus, int argc, char *argv[], DBusError *error) {
-
- static const struct {
- const char* verb;
- const enum {
- MORE,
- LESS,
- EQUAL
- } argc_cmp;
- const int argc;
- int (* const dispatch)(DBusConnection *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);
- assert(error);
-
- 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.");
- }
-
- if (!bus) {
- log_error("Failed to get D-Bus connection: %s", error->message);
- return -EIO;
- }
-
- return verbs[i].dispatch(bus, argv + optind, left);
-}
-
-int main(int argc, char *argv[]) {
- int r, retval = EXIT_FAILURE;
- DBusConnection *bus = NULL;
- DBusError error;
-
- dbus_error_init(&error);
-
- setlocale(LC_ALL, "");
- log_parse_environment();
- log_open();
-
- r = parse_argv(argc, argv);
- if (r < 0)
- goto finish;
- else if (r == 0) {
- retval = EXIT_SUCCESS;
- goto finish;
- }
-
- if (arg_transport == TRANSPORT_NORMAL)
- bus = dbus_bus_get_private(DBUS_BUS_SYSTEM, &error);
- else if (arg_transport == TRANSPORT_POLKIT)
- bus_connect_system_polkit(&bus, &error);
- else if (arg_transport == TRANSPORT_SSH)
- bus_connect_system_ssh(NULL, arg_host, &bus, &error);
- else
- assert_not_reached("Uh, invalid transport...");
-
- r = timedatectl_main(bus, argc, argv, &error);
- retval = r < 0 ? EXIT_FAILURE : r;
-
-finish:
- if (bus) {
- dbus_connection_flush(bus);
- dbus_connection_close(bus);
- dbus_connection_unref(bus);
- }
-
- dbus_error_free(&error);
- dbus_shutdown();
-
- pager_close();
-
- return retval;
-}
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