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authorLukas Nykryn <lnykryn@redhat.com>2015-09-11 13:37:59 +0200
committerLukas Nykryn <lnykryn@redhat.com>2015-09-11 16:04:32 +0200
commit2a998c74028a109d6bd8888951abfa8e25a15fb1 (patch)
treefdc0c45bde7502dd66ca57eb3a99d3b6b2aea385 /src/login
parent3227b2bced36940554e3cefb6b995623227de822 (diff)
loginctl: print nontrivial properties in logictl show-*
Diffstat (limited to 'src/login')
-rw-r--r--src/login/loginctl.c152
1 files changed, 149 insertions, 3 deletions
diff --git a/src/login/loginctl.c b/src/login/loginctl.c
index a7e64071cf..405df49a7c 100644
--- a/src/login/loginctl.c
+++ b/src/login/loginctl.c
@@ -686,19 +686,165 @@ static int print_seat_status_info(sd_bus *bus, const char *path, bool *new_line)
return 0;
}
+static int print_property(const char *name, sd_bus_message *m, const char *contents) {
+ int r;
+
+ assert(name);
+ assert(m);
+ assert(contents);
+
+ if (arg_property && !strv_find(arg_property, name))
+ /* skip what we didn't read */
+ return sd_bus_message_skip(m, contents);
+
+ switch (contents[0]) {
+
+ case SD_BUS_TYPE_STRUCT_BEGIN:
+
+ if (contents[1] == SD_BUS_TYPE_STRING && STR_IN_SET(name, "Display", "Seat", "ActiveSession")) {
+ const char *s;
+
+ r = sd_bus_message_read(m, "(so)", &s, NULL);
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ if (arg_all || !isempty(s))
+ printf("%s=%s\n", name, s);
+
+ return 0;
+
+ } else if (contents[1] == SD_BUS_TYPE_UINT32 && streq(name, "User")) {
+ uint32_t uid;
+
+ r = sd_bus_message_read(m, "(uo)", &uid, NULL);
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ if (UID_IS_INVALID(uid)) {
+ log_error("Invalid user ID: " UID_FMT, uid);
+ return -EINVAL;
+ }
+
+ printf("%s=" UID_FMT "\n", name, uid);
+
+ return 0;
+ }
+
+ break;
+
+ case SD_BUS_TYPE_ARRAY:
+
+ if (contents[1] == SD_BUS_TYPE_STRUCT_BEGIN && streq(name, "Sessions")) {
+ const char *s;
+ bool space = false;
+
+ r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(so)");
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ printf("%s=", name);
+
+ while ((r = sd_bus_message_read(m, "(so)", &s, NULL)) > 0) {
+ printf("%s%s", space ? " " : "", s);
+ space = true;
+ }
+
+ printf("\n");
+
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ r = sd_bus_message_exit_container(m);
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ return 0;
+ }
+
+ break;
+ }
+
+ r = bus_print_property(name, m, arg_all);
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ if (r == 0) {
+ r = sd_bus_message_skip(m, contents);
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ if (arg_all)
+ printf("%s=[unprintable]\n", name);
+ }
+
+ return 0;
+}
+
static int show_properties(sd_bus *bus, const char *path, bool *new_line) {
+ _cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
+ _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
int r;
+ assert(bus);
+ assert(path);
+ assert(new_line);
+
+ r = sd_bus_call_method(
+ bus,
+ "org.freedesktop.login1",
+ path,
+ "org.freedesktop.DBus.Properties",
+ "GetAll",
+ &error,
+ &reply,
+ "s", "");
+ if (r < 0)
+ return log_error_errno(r, "Failed to get properties: %s", bus_error_message(&error, r));
+
+ r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_ARRAY, "{sv}");
+ if (r < 0)
+ return bus_log_parse_error(r);
+
if (*new_line)
printf("\n");
*new_line = true;
- r = bus_print_all_properties(bus, "org.freedesktop.login1", path, arg_property, arg_all);
+ while ((r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_DICT_ENTRY, "sv")) > 0) {
+ const char *name, *contents;
+
+ r = sd_bus_message_read(reply, "s", &name);
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ r = sd_bus_message_peek_type(reply, NULL, &contents);
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_VARIANT, contents);
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ r = print_property(name, reply, contents);
+ if (r < 0)
+ return r;
+
+ r = sd_bus_message_exit_container(reply);
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ r = sd_bus_message_exit_container(reply);
+ if (r < 0)
+ return bus_log_parse_error(r);
+ }
if (r < 0)
- log_error_errno(r, "Could not get properties: %m");
+ return bus_log_parse_error(r);
- return r;
+ r = sd_bus_message_exit_container(reply);
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ return 0;
}
static int show_session(int argc, char *argv[], void *userdata) {