[systemd-commits] 2 commits - Makefile.am src/hostname src/libsystemd-bus src/locale src/timedate

Kay Sievers kay at kemper.freedesktop.org
Sat Nov 2 02:19:28 CET 2013


 Makefile.am                   |    5 
 src/hostname/hostnamectl.c    |  356 +++++++++++-------------------------------
 src/libsystemd-bus/bus-util.c |  165 +++++++++++++++++++
 src/libsystemd-bus/bus-util.h |   11 +
 src/locale/localectl.c        |  129 ++-------------
 src/timedate/timedatectl.c    |  112 ++-----------
 6 files changed, 311 insertions(+), 467 deletions(-)

New commits:
commit b028f3e410a7b9ba6b6291a79164d3de2638eb0b
Author: Simon Peeters <peeters.simon at gmail.com>
Date:   Wed Oct 30 06:55:31 2013 +0100

    hostnamectl: port to sd-bus
    
    Kay:
     - rebase to new transport logic
     - replaced iteration macro with property map

diff --git a/Makefile.am b/Makefile.am
index 8e99673..e9b80bf 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -3523,12 +3523,11 @@ hostnamectl_SOURCES = \
 	src/hostname/hostnamectl.c
 
 hostnamectl_CFLAGS = \
-	$(AM_CFLAGS) \
-	$(DBUS_CFLAGS)
+	$(AM_CFLAGS)
 
 hostnamectl_LDADD = \
 	libsystemd-shared.la \
-	libsystemd-dbus.la \
+	libsystemd-bus.la \
 	libsystemd-id128-internal.la
 
 bin_PROGRAMS += \
diff --git a/src/hostname/hostnamectl.c b/src/hostname/hostnamectl.c
index c6d72b5..7591d99 100644
--- a/src/hostname/hostnamectl.c
+++ b/src/hostname/hostnamectl.c
@@ -28,7 +28,10 @@
 #include <sys/timex.h>
 #include <sys/utsname.h>
 
-#include "dbus-common.h"
+#include "sd-bus.h"
+
+#include "bus-util.h"
+#include "bus-error.h"
 #include "util.h"
 #include "spawn-polkit-agent.h"
 #include "build.h"
@@ -38,34 +41,19 @@
 #include "virt.h"
 #include "fileio.h"
 
-static enum transport {
-        TRANSPORT_NORMAL,
-        TRANSPORT_SSH,
-        TRANSPORT_POLKIT
-} arg_transport = TRANSPORT_NORMAL;
 static bool arg_ask_password = true;
+static BusTransport arg_transport = BUS_TRANSPORT_LOCAL;
 static char *arg_host = NULL;
-static char *arg_user = NULL;
 static bool arg_transient = false;
 static bool arg_pretty = false;
 static bool arg_static = false;
 
-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 *hostname;
-        const char *static_hostname;
-        const char *pretty_hostname;
-        const char *icon_name;
-        const char *chassis;
+        char *hostname;
+        char *static_hostname;
+        char *pretty_hostname;
+        char *icon_name;
+        char *chassis;
 } StatusInfo;
 
 static void print_status_info(StatusInfo *i) {
@@ -125,139 +113,64 @@ static void print_status_info(StatusInfo *i) {
 
 }
 
-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, "Hostname"))
-                                i->hostname = s;
-                        if (streq(name, "StaticHostname"))
-                                i->static_hostname = s;
-                        if (streq(name, "PrettyHostname"))
-                                i->pretty_hostname = s;
-                        if (streq(name, "IconName"))
-                                i->icon_name = s;
-                        if (streq(name, "Chassis"))
-                                i->chassis = s;
-                }
-                break;
-        }
-        }
-
-        return 0;
-}
-
-static int show_one_name(DBusConnection *bus, const char* attr) {
-        _cleanup_dbus_message_unref_ DBusMessage *reply = NULL;
-        const char *interface = "org.freedesktop.hostname1", *s;
-        DBusMessageIter iter, sub;
+static int show_one_name(sd_bus *bus, const char* attr) {
+        _cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
+        _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
+        const char *s;
         int r;
 
-        r = bus_method_call_with_reply(
+        r = sd_bus_get_property(
                         bus,
                         "org.freedesktop.hostname1",
                         "/org/freedesktop/hostname1",
-                        "org.freedesktop.DBus.Properties",
-                        "Get",
-                        &reply,
-                        NULL,
-                        DBUS_TYPE_STRING, &interface,
-                        DBUS_TYPE_STRING, &attr,
-                        DBUS_TYPE_INVALID);
-        if (r < 0)
+                        "org.freedesktop.hostname1",
+                        attr,
+                        &error, &reply, "s");
+        if (r < 0) {
+                log_error("Could not get property: %s", bus_error_message(&error, -r));
                 return r;
-
-        if (!dbus_message_iter_init(reply, &iter) ||
-            dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_VARIANT) {
-                log_error("Failed to parse reply.");
-                return -EIO;
         }
 
-        dbus_message_iter_recurse(&iter, &sub);
-
-        if (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_STRING) {
-                log_error("Failed to parse reply.");
-                return -EIO;
-        }
+        r = sd_bus_message_read(reply, "s", &s);
+        if (r < 0)
+                return r;
 
-        dbus_message_iter_get_basic(&sub, &s);
         printf("%s\n", s);
 
         return 0;
 }
 
-static int show_all_names(DBusConnection *bus) {
-        _cleanup_dbus_message_unref_ DBusMessage *reply = NULL;
-        const char *interface = "";
-        int r;
-        DBusMessageIter iter, sub, sub2, sub3;
+static int show_all_names(sd_bus *bus) {
         StatusInfo info = {};
+        const struct bus_properties_map map[]  = {
+                { "s",  "Hostname",       &info.hostname },
+                { "s",  "StaticHostname", &info.static_hostname },
+                { "s",  "PrettyHostname", &info.pretty_hostname },
+                { "s",  "IconName",       &info.icon_name },
+                { "s",  "Chassis",        &info.chassis },
+                {}
+        };
+        int r;
 
-        r = bus_method_call_with_reply(
-                        bus,
-                        "org.freedesktop.hostname1",
-                        "/org/freedesktop/hostname1",
-                        "org.freedesktop.DBus.Properties",
-                        "GetAll",
-                        &reply,
-                        NULL,
-                        DBUS_TYPE_STRING, &interface,
-                        DBUS_TYPE_INVALID);
+        r = bus_map_all_properties(bus,
+                                   "org.freedesktop.hostname1",
+                                   "/org/freedesktop/hostname1",
+                                   map);
         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;
-        }
-
-        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);
-        }
+                goto fail;
 
         print_status_info(&info);
+
+fail:
+        free(info.hostname);
+        free(info.static_hostname);
+        free(info.pretty_hostname);
+        free(info.icon_name);
+        free(info.chassis);
         return 0;
 }
 
-static int show_status(DBusConnection *bus, char **args, unsigned n) {
+static int show_status(sd_bus *bus, char **args, unsigned n) {
         assert(args);
 
         if (arg_pretty || arg_static || arg_transient) {
@@ -276,9 +189,29 @@ static int show_status(DBusConnection *bus, char **args, unsigned n) {
                 return show_all_names(bus);
 }
 
-static int set_hostname(DBusConnection *bus, char **args, unsigned n) {
-        _cleanup_dbus_message_unref_ DBusMessage *reply = NULL;
-        dbus_bool_t interactive = arg_ask_password;
+static int set_simple_string(sd_bus *bus, const char *method, const char *value) {
+        _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
+        static bool first=true;
+        int r = 0;
+
+        if (first && arg_ask_password)
+                polkit_agent_open();
+        first = false;
+
+        r = sd_bus_call_method(
+                        bus,
+                        "org.freedesktop.hostname1",
+                        "/org/freedesktop/hostname1",
+                        "org.freedesktop.hostname1",
+                        method,
+                        &error, NULL,
+                        "sb", value, arg_ask_password);
+        if (r < 0)
+                log_error("Could not set property: %s", bus_error_message(&error, -r));
+        return r;
+}
+
+static int set_hostname(sd_bus *bus, char **args, unsigned n) {
         _cleanup_free_ char *h = NULL;
         const char *hostname = args[1];
         int r;
@@ -286,8 +219,6 @@ static int set_hostname(DBusConnection *bus, char **args, unsigned n) {
         assert(args);
         assert(n == 2);
 
-        polkit_agent_open_if_enabled();
-
         if (!arg_pretty && !arg_static && !arg_transient)
                 arg_pretty = arg_static = arg_transient = true;
 
@@ -313,57 +244,19 @@ static int set_hostname(DBusConnection *bus, char **args, unsigned n) {
                         hostname = h;
                 }
 
-                r = bus_method_call_with_reply(
-                                bus,
-                                "org.freedesktop.hostname1",
-                                "/org/freedesktop/hostname1",
-                                "org.freedesktop.hostname1",
-                                "SetPrettyHostname",
-                                &reply,
-                                NULL,
-                                DBUS_TYPE_STRING, &p,
-                                DBUS_TYPE_BOOLEAN, &interactive,
-                                DBUS_TYPE_INVALID);
+                r = set_simple_string(bus, "SetPrettyHostname", p);
                 if (r < 0)
                         return r;
-
-                dbus_message_unref(reply);
-                reply = NULL;
         }
 
         if (arg_static) {
-                r = bus_method_call_with_reply(
-                                bus,
-                                "org.freedesktop.hostname1",
-                                "/org/freedesktop/hostname1",
-                                "org.freedesktop.hostname1",
-                                "SetStaticHostname",
-                                &reply,
-                                NULL,
-                                DBUS_TYPE_STRING, &hostname,
-                                DBUS_TYPE_BOOLEAN, &interactive,
-                                DBUS_TYPE_INVALID);
-
+                r = set_simple_string(bus, "SetStaticHostname", hostname);
                 if (r < 0)
                         return r;
-
-                dbus_message_unref(reply);
-                reply = NULL;
         }
 
         if (arg_transient) {
-                r = bus_method_call_with_reply(
-                                bus,
-                                "org.freedesktop.hostname1",
-                                "/org/freedesktop/hostname1",
-                                "org.freedesktop.hostname1",
-                                "SetHostname",
-                                &reply,
-                                NULL,
-                                DBUS_TYPE_STRING, &hostname,
-                                DBUS_TYPE_BOOLEAN, &interactive,
-                                DBUS_TYPE_INVALID);
-
+                r = set_simple_string(bus, "SetHostname", hostname);
                 if (r < 0)
                         return r;
         }
@@ -371,48 +264,18 @@ static int set_hostname(DBusConnection *bus, char **args, unsigned n) {
         return 0;
 }
 
-static int set_icon_name(DBusConnection *bus, char **args, unsigned n) {
-        _cleanup_dbus_message_unref_ DBusMessage *reply = NULL;
-        dbus_bool_t interactive = arg_ask_password;
-
+static int set_icon_name(sd_bus *bus, char **args, unsigned n) {
         assert(args);
         assert(n == 2);
 
-        polkit_agent_open_if_enabled();
-
-        return bus_method_call_with_reply(
-                        bus,
-                        "org.freedesktop.hostname1",
-                        "/org/freedesktop/hostname1",
-                        "org.freedesktop.hostname1",
-                        "SetIconName",
-                        &reply,
-                        NULL,
-                        DBUS_TYPE_STRING, &args[1],
-                        DBUS_TYPE_BOOLEAN, &interactive,
-                        DBUS_TYPE_INVALID);
+        return set_simple_string(bus, "SetIconName", args[1]);
 }
 
-static int set_chassis(DBusConnection *bus, char **args, unsigned n) {
-        _cleanup_dbus_message_unref_ DBusMessage *reply = NULL;
-        dbus_bool_t interactive = arg_ask_password;
-
+static int set_chassis(sd_bus *bus, char **args, unsigned n) {
         assert(args);
         assert(n == 2);
 
-        polkit_agent_open_if_enabled();
-
-        return bus_method_call_with_reply(
-                        bus,
-                        "org.freedesktop.hostname1",
-                        "/org/freedesktop/hostname1",
-                        "org.freedesktop.hostname1",
-                        "SetChassis",
-                        &reply,
-                        NULL,
-                        DBUS_TYPE_STRING, &args[1],
-                        DBUS_TYPE_BOOLEAN, &interactive,
-                        DBUS_TYPE_INVALID);
+        return set_simple_string(bus, "SetChasis", args[1]);
 }
 
 static int help(void) {
@@ -424,9 +287,9 @@ static int help(void) {
                "     --transient         Only set transient hostname\n"
                "     --static            Only set static hostname\n"
                "     --pretty            Only set pretty hostname\n"
-               "  -P --privileged        Acquire privileges before execution\n"
                "     --no-ask-password   Do not prompt for password\n"
-               "  -H --host=[USER@]HOST  Operate on remote host\n\n"
+               "  -H --host=[USER@]HOST  Operate on remote host\n"
+               "  -M --machine=CONTAINER Operate on local container\n\n"
                "Commands:\n"
                "  status                 Show current hostname settings\n"
                "  set-hostname NAME      Set system hostname\n"
@@ -454,7 +317,7 @@ static int parse_argv(int argc, char *argv[]) {
                 { "static",          no_argument,       NULL, ARG_STATIC      },
                 { "pretty",          no_argument,       NULL, ARG_PRETTY      },
                 { "host",            required_argument, NULL, 'H'                 },
-                { "privileged",      no_argument,       NULL, 'P'                 },
+                { "machine",         required_argument, NULL, 'M'                 },
                 { "no-ask-password", no_argument,       NULL, ARG_NO_ASK_PASSWORD },
                 { NULL,              0,                 NULL, 0                   }
         };
@@ -464,7 +327,7 @@ static int parse_argv(int argc, char *argv[]) {
         assert(argc >= 0);
         assert(argv);
 
-        while ((c = getopt_long(argc, argv, "hH:P", options, NULL)) >= 0) {
+        while ((c = getopt_long(argc, argv, "hHM:P", options, NULL)) >= 0) {
 
                 switch (c) {
 
@@ -477,13 +340,14 @@ static int parse_argv(int argc, char *argv[]) {
                         puts(SYSTEMD_FEATURES);
                         return 0;
 
-                case 'P':
-                        arg_transport = TRANSPORT_POLKIT;
+                case 'H':
+                        arg_transport = BUS_TRANSPORT_REMOTE;
+                        arg_host = optarg;
                         break;
 
-                case 'H':
-                        arg_transport = TRANSPORT_SSH;
-                        parse_user_at_host(optarg, &arg_user, &arg_host);
+                case 'M':
+                        arg_transport = BUS_TRANSPORT_CONTAINER;
+                        arg_host = optarg;
                         break;
 
                 case ARG_TRANSIENT:
@@ -514,7 +378,7 @@ static int parse_argv(int argc, char *argv[]) {
         return 1;
 }
 
-static int hostnamectl_main(DBusConnection *bus, int argc, char *argv[], DBusError *error) {
+static int hostnamectl_main(sd_bus *bus, int argc, char *argv[]) {
 
         static const struct {
                 const char* verb;
@@ -524,7 +388,7 @@ static int hostnamectl_main(DBusConnection *bus, int argc, char *argv[], DBusErr
                         EQUAL
                 } argc_cmp;
                 const int argc;
-                int (* const dispatch)(DBusConnection *bus, char **args, unsigned n);
+                int (* const dispatch)(sd_bus *bus, char **args, unsigned n);
         } verbs[] = {
                 { "status",        LESS,  1, show_status   },
                 { "set-hostname",  EQUAL, 2, set_hostname  },
@@ -537,7 +401,6 @@ static int hostnamectl_main(DBusConnection *bus, int argc, char *argv[], DBusErr
 
         assert(argc >= 0);
         assert(argv);
-        assert(error);
 
         left = argc - optind;
 
@@ -590,54 +453,29 @@ static int hostnamectl_main(DBusConnection *bus, int argc, char *argv[], DBusErr
                 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);
+        int r;
+        _cleanup_bus_unref_ sd_bus *bus = NULL;
 
         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) {
-                retval = EXIT_SUCCESS;
+
+        r = bus_open_transport(arg_transport, arg_host, false, &bus);
+        if (r < 0) {
+                log_error("Failed to create bus connection: %s", strerror(-r));
                 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 = hostnamectl_main(bus, argc, argv, &error);
-        retval = r < 0 ? EXIT_FAILURE : r;
+        r = hostnamectl_main(bus, argc, argv);
 
 finish:
-        if (bus) {
-                dbus_connection_flush(bus);
-                dbus_connection_close(bus);
-                dbus_connection_unref(bus);
-        }
-
-        dbus_error_free(&error);
-        dbus_shutdown();
-
-        return retval;
+        return r < 0 ? EXIT_FAILURE : r;
 }

commit ffc06c3513d9a0693c7f810d03b20705127ba55a
Author: Kay Sievers <kay at vrfy.org>
Date:   Sat Nov 2 00:10:12 2013 +0100

    bus: use internal helper to read org.freedesktop.DBus.Properties::GetAll variables

diff --git a/src/libsystemd-bus/bus-util.c b/src/libsystemd-bus/bus-util.c
index 0632288..857e0c1 100644
--- a/src/libsystemd-bus/bus-util.c
+++ b/src/libsystemd-bus/bus-util.c
@@ -21,13 +21,16 @@
 
 #include <sys/socket.h>
 
-#include "sd-event.h"
-#include "sd-bus.h"
-
 #include "util.h"
+#include "strv.h"
 #include "macro.h"
 #include "def.h"
 
+#include "sd-event.h"
+#include "sd-bus.h"
+#include "bus-error.h"
+#include "bus-message.h"
+
 #include "bus-util.h"
 
 static int quit_callback(sd_bus *bus, sd_bus_message *m, void *userdata) {
@@ -595,6 +598,162 @@ int bus_generic_print_property(const char *name, sd_bus_message *property, bool
         return 0;
 }
 
+int bus_map_all_properties(sd_bus *bus,
+                           const char *destination,
+                           const char *path,
+                           const struct bus_properties_map *map) {
+        _cleanup_bus_message_unref_ sd_bus_message *m = NULL;
+        _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
+        int r;
+
+        r = sd_bus_call_method( bus,
+                        destination,
+                        path,
+                        "org.freedesktop.DBus.Properties",
+                        "GetAll",
+                        &error,
+                        &m,
+                        "s", "");
+        if (r < 0) {
+                log_error("Could not get properties: %s", bus_error_message(&error, -r));
+                return r;
+        }
+
+        r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "{sv}");
+        if (r < 0)
+                return r;
+
+        while ((r = sd_bus_message_enter_container(m, SD_BUS_TYPE_DICT_ENTRY, "sv")) > 0) {
+                const char *name;
+                char type;
+                const char *contents;
+                unsigned i;
+
+                r = sd_bus_message_read_basic(m, SD_BUS_TYPE_STRING, &name);
+                if (r < 0)
+                        return r;
+
+                r = sd_bus_message_peek_type(m, NULL, &contents);
+                if (r < 0)
+                        return r;
+
+                r = sd_bus_message_enter_container(m, SD_BUS_TYPE_VARIANT, contents);
+                if (r < 0)
+                        return r;
+
+                r = sd_bus_message_peek_type(m, &type, &contents);
+                if (r < 0) {
+                        log_error("Could not determine type of message: %s", strerror(-r));
+                        return r;
+                }
+
+                switch (type) {
+                case SD_BUS_TYPE_STRING: {
+                        const char *s;
+
+                        sd_bus_message_read_basic(m, type, &s);
+                        if (isempty(s))
+                                break;
+
+                        for (i = 0; map[i].type; i++) {
+                                const char **p;
+
+                                if (!streq(map[i].type, "s"))
+                                        continue;
+                                if (!streq(map[i].name, name))
+                                        continue;
+
+                                p = map[i].ptr;
+                                *p = strdup(s);
+                                if (!*p) {
+                                        r = -ENOMEM;
+                                        goto fail;
+                                }
+                        }
+                        break;
+                }
+
+                case SD_BUS_TYPE_ARRAY: {
+                        _cleanup_strv_free_ char **l = NULL;
+
+                        if (!streq(contents, "s"))
+                                break;
+
+                        for (i = 0; map[i].type; i++) {
+                                char ***p;
+
+                                if (!streq(map[i].type, "as"))
+                                        continue;
+                                if (!streq(map[i].name, name))
+                                        continue;
+
+                                r = bus_message_read_strv_extend(m, &l);
+                                if (r < 0)
+                                        break;
+
+                                p = map[i].ptr;
+                                strv_free(*p);
+                                *p = l;
+                                l = NULL;
+                        }
+                        break;
+                }
+
+                case SD_BUS_TYPE_BOOLEAN: {
+                        unsigned b;
+
+                        sd_bus_message_read_basic(m, type, &b);
+
+                        for (i = 0; map[i].type; i++) {
+                                bool *p;
+
+                                if (!streq(map[i].type, "b"))
+                                        continue;
+                                if (!streq(map[i].name, name))
+                                        continue;
+
+                                p = map[i].ptr;
+                                *p = b;
+                        }
+                        break;
+                }
+
+                case SD_BUS_TYPE_UINT64: {
+                        uint64_t t;
+
+                        sd_bus_message_read_basic(m, type, &t);
+
+                        for (i = 0; map[i].type; i++) {
+                                uint64_t *p;
+
+                                if (!streq(map[i].type, "t"))
+                                        continue;
+                                if (!streq(map[i].name, name))
+                                        continue;
+
+                                p = map[i].ptr;
+                                *p = t;
+                        }
+                        break;
+                }
+
+                default:
+                        break;
+                }
+
+                r = sd_bus_message_exit_container(m);
+                if (r < 0)
+                        return r;
+
+                r = sd_bus_message_exit_container(m);
+                if (r < 0)
+                        return r;
+        }
+
+fail:
+        return r;
+}
+
 int bus_open_transport(BusTransport transport, const char *host, bool user, sd_bus **bus) {
         int r;
 
diff --git a/src/libsystemd-bus/bus-util.h b/src/libsystemd-bus/bus-util.h
index e70006e..ddb9264 100644
--- a/src/libsystemd-bus/bus-util.h
+++ b/src/libsystemd-bus/bus-util.h
@@ -35,6 +35,17 @@ typedef enum BusTransport {
         _BUS_TRANSPORT_INVALID = -1
 } BusTransport;
 
+struct bus_properties_map {
+        const char *type;
+        const char *name;
+        void *ptr;
+};
+
+int bus_map_all_properties(sd_bus *bus,
+                           const char *destination,
+                           const char *path,
+                           const struct bus_properties_map *map);
+
 int bus_async_unregister_and_quit(sd_event *e, sd_bus *bus, const char *name);
 
 int bus_event_loop_with_idle(sd_event *e, sd_bus *bus, const char *name, usec_t timeout);
diff --git a/src/locale/localectl.c b/src/locale/localectl.c
index fe2af27..fb21bfd 100644
--- a/src/locale/localectl.c
+++ b/src/locale/localectl.c
@@ -102,125 +102,30 @@ static void print_status_info(StatusInfo *i) {
                 printf("     X11 Options: %s\n", i->x11_options);
 }
 
-static int status_read_property(const char *name, sd_bus_message *property, StatusInfo *i) {
-        char type;
-        const char *contents;
-        int r;
-
-        assert(name);
-        assert(property);
-
-        r = sd_bus_message_peek_type(property, &type, &contents);
-        if (r < 0) {
-                log_error("Could not determine type of message: %s", strerror(-r));
-                return r;
-        }
-
-        switch (type) {
-
-        case SD_BUS_TYPE_STRING: {
-                const char *s;
-
-                sd_bus_message_read_basic(property, type, &s);
-                if (isempty(s))
-                        break;
-
-                if (streq(name, "VConsoleKeymap"))
-                        i->vconsole_keymap = s;
-                else if (streq(name, "VConsoleKeymapToggle"))
-                        i->vconsole_keymap_toggle = s;
-                else if (streq(name, "X11Layout"))
-                        i->x11_layout = s;
-                else if (streq(name, "X11Model"))
-                        i->x11_model = s;
-                else if (streq(name, "X11Variant"))
-                        i->x11_variant = s;
-                else if (streq(name, "X11Options"))
-                        i->x11_options = s;
-
-                break;
-        }
-
-        case SD_BUS_TYPE_ARRAY: {
-                _cleanup_strv_free_ char **l = NULL;
-
-                if (!streq(contents, "s"))
-                        break;
-
-                if (!streq(name, "Locale"))
-                        break;
-
-                r = bus_message_read_strv_extend(property, &l);
-                if (r < 0)
-                        break;
-
-                strv_free(i->locale);
-                i->locale = l;
-                l = NULL;
-
-                break;
-        }
-        }
-
-        return r;
-}
-
 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 = {};
+        const struct bus_properties_map map[]  = {
+                { "s",  "VConsoleKeymap",       &info.vconsole_keymap },
+                { "s",  "VConsoleKeymap",       &info.vconsole_keymap },
+                { "s",  "VConsoleKeymapToggle", &info.vconsole_keymap_toggle},
+                { "s",  "X11Layout",            &info.x11_layout },
+                { "s",  "X11Model",             &info.x11_model },
+                { "s",  "X11Variant",           &info.x11_variant },
+                { "s",  "X11Options",           &info.x11_options },
+                { "as", "Locale",               &info.locale },
+                {}
+        };
+        int r;
 
-        assert(args);
-
-        r = sd_bus_call_method( bus,
-                        "org.freedesktop.locale1",
-                        "/org/freedesktop/locale1",
-                        "org.freedesktop.DBus.Properties",
-                        "GetAll",
-                        &error,
-                        &reply,
-                        "s", "");
-        if (r < 0) {
-                log_error("Could not get properties: %s", bus_error_message(&error, -r));
-                return r;
-        }
+        assert(bus);
 
-        r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_ARRAY, "{sv}");
+        r = bus_map_all_properties(bus,
+                                   "org.freedesktop.locale1",
+                                   "/org/freedesktop/locale1",
+                                   map);
         if (r < 0)
                 goto fail;
 
-        while ((r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_DICT_ENTRY, "sv")) > 0) {
-                const char *name;
-                const char *contents;
-
-                r = sd_bus_message_read_basic(reply, SD_BUS_TYPE_STRING, &name);
-                if (r < 0)
-                        goto fail;
-
-                r = sd_bus_message_peek_type(reply, NULL, &contents);
-                if (r < 0)
-                        goto fail;
-
-                r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_VARIANT, contents);
-                if (r < 0)
-                        goto fail;
-
-                r = status_read_property(name, reply, &info);
-                if (r < 0) {
-                        log_error("Failed to parse reply.");
-                        return r;
-                }
-
-                r = sd_bus_message_exit_container(reply);
-                if (r < 0)
-                        goto fail;
-
-                r = sd_bus_message_exit_container(reply);
-                if (r < 0)
-                        goto fail;
-        }
-
         print_status_info(&info);
 
 fail:
diff --git a/src/timedate/timedatectl.c b/src/timedate/timedatectl.c
index b63f1f5..777a3a3 100644
--- a/src/timedate/timedatectl.c
+++ b/src/timedate/timedatectl.c
@@ -63,7 +63,7 @@ static void polkit_agent_open_if_enabled(void) {
 
 typedef struct StatusInfo {
         usec_t time;
-        const char *timezone;
+        char *timezone;
 
         usec_t rtc_time;
         bool rtc_local;
@@ -89,7 +89,7 @@ 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];
@@ -190,103 +190,35 @@ 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_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_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 = {};
+        const struct bus_properties_map map[]  = {
+                { "s",  "Timezone",        &info.timezone },
+                { "b",  "LocalRTC",        &info.rtc_local },
+                { "b",  "NTP",             &info.ntp_enabled },
+                { "b",  "CanNTP",          &info.ntp_capable },
+                { "b",  "NTPSynchronized", &info.ntp_synced},
+                { "t",  "TimeUSec",        &info.time },
+                { "t",  "RTCTimeUSec",     &info.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");
-        if (r < 0) {
-                log_error("Failed to get property: Timezone %s", bus_error_message(&error, -r));
-                return r;
-        }
-
-        r = sd_bus_message_read(reply, "s", &info.timezone);
+        r = bus_map_all_properties(bus,
+                                   "org.freedesktop.timedate1",
+                                   "/org/freedesktop/timedate1",
+                                   map);
         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;
+                goto fail;
 
         print_status_info(&info);
-        return 0;
+
+fail:
+        free(info.timezone);
+        return r;
 }
 
 static int set_time(sd_bus *bus, char **args, unsigned n) {



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