diff options
Diffstat (limited to 'src')
-rw-r--r-- | src/login/loginctl.c | 152 |
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) { |