chiark / gitweb /
core/manager: remove infinite loop
[elogind.git] / src / timedate / timedatectl.c
index 30054b6..9b81513 100644 (file)
 #include "pager.h"
 #include "time-dst.h"
 
-static bool arg_adjust_system_clock = false;
 static bool arg_no_pager = false;
-static BusTransport arg_transport = BUS_TRANSPORT_LOCAL;
 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 pager_open_if_enabled(void) {
 
@@ -58,12 +58,15 @@ static void polkit_agent_open_if_enabled(void) {
         if (!arg_ask_password)
                 return;
 
+        if (arg_transport != BUS_TRANSPORT_LOCAL)
+                return;
+
         polkit_agent_open();
 }
 
 typedef struct StatusInfo {
         usec_t time;
-        const char *timezone;
+        char *timezone;
 
         usec_t rtc_time;
         bool rtc_local;
@@ -89,7 +92,7 @@ static const char *jump_str(int delta_minutes, char *s, size_t size) {
         return "";
 }
 
-static void print_status_info(StatusInfo *i) {
+static void print_status_info(const StatusInfo *i) {
         char a[FORMAT_TIMESTAMP_MAX];
         char b[FORMAT_TIMESTAMP_MAX];
         char s[32];
@@ -126,7 +129,7 @@ static void print_status_info(StatusInfo *i) {
 
                 rtc_sec = (time_t)(i->rtc_time / USEC_PER_SEC);
                 zero(tm);
-                assert_se(strftime(a, sizeof(a), "%a %Y-%m-%d %H:%M:%S %Z", gmtime_r(&rtc_sec, &tm)) > 0);
+                assert_se(strftime(a, sizeof(a), "%a %Y-%m-%d %H:%M:%S", gmtime_r(&rtc_sec, &tm)) > 0);
                 char_array_0(a);
                 printf("        RTC time: %s\n", a);
         } else
@@ -190,105 +193,37 @@ static void print_status_info(StatusInfo *i) {
                       "         RTC in UTC, by calling 'timedatectl set-local-rtc 0'" ANSI_HIGHLIGHT_OFF ".\n", stdout);
 }
 
-static int get_timedate_property_bool(sd_bus *bus, const char *name, bool *target) {
-        _cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
-        _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
-        int r, b;
-
-        assert(name);
-
-        r = sd_bus_get_property_trivial(
-                        bus,
-                        "org.freedesktop.timedate1",
-                        "/org/freedesktop/timedate1",
-                        "org.freedesktop.timedate1",
-                        name,
-                        &error,
-                        'b', &b);
-        if (r < 0) {
-                log_error("Failed to get property: %s %s", name, bus_error_message(&error, -r));
-                return r;
-        }
-
-        *target = b;
-        return 0;
-}
-
-static int get_timedate_property_usec(sd_bus *bus, const char *name, usec_t *target) {
-        _cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
-        _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
-        int r;
-
-        assert(name);
-
-        r = sd_bus_get_property_trivial(
-                        bus,
-                        "org.freedesktop.timedate1",
-                        "/org/freedesktop/timedate1",
-                        "org.freedesktop.timedate1",
-                        name,
-                        &error,
-                        't', target);
-        if (r < 0) {
-                log_error("Failed to get property: %s %s", name, bus_error_message(&error, -r));
-                return r;
-        }
-
-        return 0;
-}
-
 static int show_status(sd_bus *bus, char **args, unsigned n) {
-        _cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
-        _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
-        int r;
         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 = sd_bus_get_property(
-                        bus,
-                        "org.freedesktop.timedate1",
-                        "/org/freedesktop/timedate1",
-                        "org.freedesktop.timedate1",
-                        "Timezone",
-                        &error,
-                        &reply,
-                        "s");
+        r = bus_map_all_properties(bus,
+                                   "org.freedesktop.timedate1",
+                                   "/org/freedesktop/timedate1",
+                                   map,
+                                   &info);
         if (r < 0) {
-                log_error("Failed to get property: Timezone %s", bus_error_message(&error, -r));
-                return r;
+                log_error("Failed to query server: %s", strerror(-r));
+                goto fail;
         }
 
-        r = sd_bus_message_read(reply, "s", &info.timezone);
-        if (r < 0)
-                return r;
-
-        r = get_timedate_property_bool(bus, "LocalRTC", &info.rtc_local);
-        if (r < 0)
-                return r;
-
-        r = get_timedate_property_bool(bus, "NTP", &info.ntp_enabled);
-        if (r < 0)
-                return r;
-
-        r = get_timedate_property_bool(bus, "CanNTP", &info.ntp_capable);
-        if (r < 0)
-                return r;
-
-        r = get_timedate_property_bool(bus, "NTPSynchronized", &info.ntp_synced);
-        if (r < 0)
-                return r;
-
-        r = get_timedate_property_usec(bus, "TimeUSec", &info.time);
-        if (r < 0)
-                return r;
-
-        r = get_timedate_property_usec(bus, "RTCTimeUSec", &info.rtc_time);
-        if (r < 0)
-                return r;
-
         print_status_info(&info);
-        return 0;
+
+fail:
+        free(info.timezone);
+        return r;
 }
 
 static int set_time(sd_bus *bus, char **args, unsigned n) {
@@ -477,21 +412,20 @@ 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"
-               "  -M --machine=CONTAINER Operate on local container\n\n"
+               "  -h --help                Show this help\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 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",
+               "  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;
@@ -514,7 +448,7 @@ static int parse_argv(int argc, char *argv[]) {
                 { "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 },
-                { NULL,                  0,                 NULL, 0                       }
+                {}
         };
 
         int c;
@@ -527,8 +461,7 @@ static int parse_argv(int argc, char *argv[]) {
                 switch (c) {
 
                 case 'h':
-                        help();
-                        return 0;
+                        return help();
 
                 case ARG_VERSION:
                         puts(PACKAGE_STRING);
@@ -561,8 +494,7 @@ static int parse_argv(int argc, char *argv[]) {
                         return -EINVAL;
 
                 default:
-                        log_error("Unknown option code %c", c);
-                        return -EINVAL;
+                        assert_not_reached("Unhandled option");
                 }
         }
 
@@ -650,33 +582,27 @@ static int timedatectl_main(sd_bus *bus, int argc, char *argv[]) {
 }
 
 int main(int argc, char *argv[]) {
-        int r, ret = EXIT_FAILURE;
         _cleanup_bus_unref_ sd_bus *bus = NULL;
+        int r;
 
         setlocale(LC_ALL, "");
         log_parse_environment();
         log_open();
 
         r = parse_argv(argc, argv);
-        if (r < 0)
+        if (r <= 0)
                 goto finish;
-        else if (r == 0) {
-                ret = EXIT_SUCCESS;
-                goto finish;
-        }
 
         r = bus_open_transport(arg_transport, arg_host, false, &bus);
         if (r < 0) {
                 log_error("Failed to create bus connection: %s", strerror(-r));
-                ret = EXIT_FAILURE;
                 goto finish;
         }
 
         r = timedatectl_main(bus, argc, argv);
-        ret = r < 0 ? EXIT_FAILURE : r;
 
 finish:
         pager_close();
 
-        return ret;
+        return r < 0 ? EXIT_FAILURE : EXIT_SUCCESS;
 }