systemd/0306-loginctl-list-users-use-bus_map_all_properties.patch

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From 837b3a3ba22efd133c8b39e142994405cc1aa322 Mon Sep 17 00:00:00 2001
From: Mike Yuan <me@yhndnzj.com>
Date: Tue, 23 May 2023 18:27:05 +0800
Subject: [PATCH] loginctl: list-users: use bus_map_all_properties
(cherry picked from commit 8b0da9971afabd47e2e0b72be82dc37c06caabee)
Related: #2209912
---
src/login/loginctl.c | 58 ++++++++++++++++++--------------------------
1 file changed, 24 insertions(+), 34 deletions(-)
diff --git a/src/login/loginctl.c b/src/login/loginctl.c
index 598acf766d..98bb87bd87 100644
--- a/src/login/loginctl.c
+++ b/src/login/loginctl.c
@@ -254,6 +254,13 @@ static int list_sessions(int argc, char *argv[], void *userdata) {
}
static int list_users(int argc, char *argv[], void *userdata) {
+
+ static const struct bus_properties_map property_map[] = {
+ { "Linger", "b", NULL, offsetof(UserStatusInfo, linger) },
+ { "State", "s", NULL, offsetof(UserStatusInfo, state) },
+ {},
+ };
+
_cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
_cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
_cleanup_(table_unrefp) Table *table = NULL;
@@ -280,10 +287,10 @@ static int list_users(int argc, char *argv[], void *userdata) {
for (;;) {
_cleanup_(sd_bus_error_free) sd_bus_error error_property = SD_BUS_ERROR_NULL;
- _cleanup_free_ char *state = NULL;
+ _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply_property = NULL;
+ _cleanup_(user_status_info_done) UserStatusInfo info = {};
const char *user, *object;
uint32_t uid;
- int linger;
r = sd_bus_message_read(reply, "(uso)", &uid, &user, &object);
if (r < 0)
@@ -291,44 +298,27 @@ static int list_users(int argc, char *argv[], void *userdata) {
if (r == 0)
break;
- r = sd_bus_get_property_trivial(bus,
- "org.freedesktop.login1",
- object,
- "org.freedesktop.login1.User",
- "Linger",
- &error_property,
- 'b',
- &linger);
+ r = bus_map_all_properties(bus,
+ "org.freedesktop.login1",
+ object,
+ property_map,
+ BUS_MAP_BOOLEAN_AS_BOOL,
+ &error_property,
+ &reply_property,
+ &info);
if (r < 0) {
- if (sd_bus_error_has_name(&error_property, SD_BUS_ERROR_UNKNOWN_OBJECT))
- /* The user logged out when we're querying the property */
- continue;
-
- return log_error_errno(r, "Failed to get linger status for user %s: %s",
- user, bus_error_message(&error_property, r));
- }
-
- r = sd_bus_get_property_string(bus,
- "org.freedesktop.login1",
- object,
- "org.freedesktop.login1.User",
- "State",
- &error_property,
- &state);
- if (r < 0) {
- if (sd_bus_error_has_name(&error_property, SD_BUS_ERROR_UNKNOWN_OBJECT))
- /* The user logged out when we're querying the property */
- continue;
-
- return log_error_errno(r, "Failed to get state for user %s: %s",
- user, bus_error_message(&error_property, r));
+ log_full_errno(sd_bus_error_has_name(&error_property, SD_BUS_ERROR_UNKNOWN_OBJECT) ? LOG_DEBUG : LOG_WARNING,
+ r,
+ "Failed to get properties of user %s, ignoring: %s",
+ user, bus_error_message(&error_property, r));
+ continue;
}
r = table_add_many(table,
TABLE_UID, (uid_t) uid,
TABLE_STRING, user,
- TABLE_BOOLEAN, linger,
- TABLE_STRING, state);
+ TABLE_BOOLEAN, info.linger,
+ TABLE_STRING, info.state);
if (r < 0)
return table_log_add_error(r);
}