Add D-Bus property exposing Ctrl-Alt-Delete action (#19217)

4 files changed, 14 insertions, 5 deletions

diff --git a/man/org.freedesktop.systemd1.xml b/man/org.freedesktop.systemd1.xml
index e1b9a5e490..7a44c9be9b 100644
--- a/man/org.freedesktop.systemd1.xml
+++ b/man/org.freedesktop.systemd1.xml
@@ -492,6 +492,8 @@ node /org/freedesktop/systemd1 {
       readonly t TimerSlackNSec = ...;
       @org.freedesktop.DBus.Property.EmitsChangedSignal("const")
       readonly s DefaultOOMPolicy = '...';
+      @org.freedesktop.DBus.Property.EmitsChangedSignal("const")
+      readonly s CtrlAltDelBurstAction = '...';
   };
   interface org.freedesktop.DBus.Peer { ... };
   interface org.freedesktop.DBus.Introspectable { ... };
@@ -733,6 +735,8 @@ node /org/freedesktop/systemd1 {
 
     <!--property DefaultOOMPolicy is not documented!-->
 
+    <!--property CtrlAltDelBurstAction is not documented!-->
+
     <!--Autogenerated cross-references for systemd.directives, do not edit-->
 
     <variablelist class="dbus-interface" generated="True" extra-ref="org.freedesktop.systemd1.Manager"/>
@@ -1127,6 +1131,8 @@ node /org/freedesktop/systemd1 {
 
     <variablelist class="dbus-property" generated="True" extra-ref="DefaultOOMPolicy"/>
 
+    <variablelist class="dbus-property" generated="True" extra-ref="CtrlAltDelBurstAction"/>
+
     <!--End of Autogenerated section-->
 
     <refsect2>
diff --git a/src/core/dbus-manager.c b/src/core/dbus-manager.c
index 974221199c..128d7778f5 100644
--- a/src/core/dbus-manager.c
+++ b/src/core/dbus-manager.c
@@ -48,6 +48,7 @@ static UnitFileFlags unit_file_bools_to_flags(bool runtime, bool force) {
 }
 
 BUS_DEFINE_PROPERTY_GET_ENUM(bus_property_get_oom_policy, oom_policy, OOMPolicy);
+BUS_DEFINE_PROPERTY_GET_ENUM(bus_property_get_emergency_action, emergency_action, EmergencyAction);
 
 static BUS_DEFINE_PROPERTY_GET_GLOBAL(property_get_version, "s", GIT_VERSION);
 static BUS_DEFINE_PROPERTY_GET_GLOBAL(property_get_features, "s", systemd_features);
@@ -2723,6 +2724,7 @@ const sd_bus_vtable bus_manager_vtable[] = {
         SD_BUS_PROPERTY("DefaultTasksMax", "t", bus_property_get_tasks_max, offsetof(Manager, default_tasks_max), 0),
         SD_BUS_PROPERTY("TimerSlackNSec", "t", property_get_timer_slack_nsec, 0, SD_BUS_VTABLE_PROPERTY_CONST),
         SD_BUS_PROPERTY("DefaultOOMPolicy", "s", bus_property_get_oom_policy, offsetof(Manager, default_oom_policy), SD_BUS_VTABLE_PROPERTY_CONST),
+        SD_BUS_PROPERTY("CtrlAltDelBurstAction", "s", bus_property_get_emergency_action, offsetof(Manager, cad_burst_action), SD_BUS_VTABLE_PROPERTY_CONST),
 
         SD_BUS_METHOD_WITH_NAMES("GetUnit",
                                  "s",
diff --git a/src/core/dbus-manager.h b/src/core/dbus-manager.h
index f3862fca83..9b050801a7 100644
--- a/src/core/dbus-manager.h
+++ b/src/core/dbus-manager.h
@@ -15,3 +15,4 @@ void bus_manager_send_change_signal(Manager *m);
 int verify_run_space_and_log(const char *message);
 
 int bus_property_get_oom_policy(sd_bus *bus, const char *path, const char *interface, const char *property, sd_bus_message *reply, void *userdata, sd_bus_error *ret_error);
+int bus_property_get_emergency_action(sd_bus *bus, const char *path, const char *interface, const char *property, sd_bus_message *reply, void *userdata, sd_bus_error *ret_error);
diff --git a/src/core/dbus-unit.c b/src/core/dbus-unit.c
index d73161c76c..2af7761c0f 100644
--- a/src/core/dbus-unit.c
+++ b/src/core/dbus-unit.c
@@ -10,6 +10,7 @@
 #include "cgroup-util.h"
 #include "condition.h"
 #include "dbus-job.h"
+#include "dbus-manager.h"
 #include "dbus-unit.h"
 #include "dbus-util.h"
 #include "dbus.h"
@@ -43,7 +44,6 @@ static bool unit_can_isolate_refuse_manual(Unit *u) {
 static BUS_DEFINE_PROPERTY_GET_ENUM(property_get_collect_mode, collect_mode, CollectMode);
 static BUS_DEFINE_PROPERTY_GET_ENUM(property_get_load_state, unit_load_state, UnitLoadState);
 static BUS_DEFINE_PROPERTY_GET_ENUM(property_get_job_mode, job_mode, JobMode);
-static BUS_DEFINE_PROPERTY_GET_ENUM(property_get_emergency_action, emergency_action, EmergencyAction);
 static BUS_DEFINE_PROPERTY_GET(property_get_description, "s", Unit, unit_description);
 static BUS_DEFINE_PROPERTY_GET2(property_get_active_state, "s", Unit, unit_active_state, unit_active_state_to_string);
 static BUS_DEFINE_PROPERTY_GET2(property_get_freezer_state, "s", Unit, unit_freezer_state, freezer_state_to_string);
@@ -899,7 +899,7 @@ const sd_bus_vtable bus_unit_vtable[] = {
         SD_BUS_PROPERTY("Markers", "as", property_get_markers, offsetof(Unit, markers), 0),
         SD_BUS_PROPERTY("JobTimeoutUSec", "t", bus_property_get_usec, offsetof(Unit, job_timeout), SD_BUS_VTABLE_PROPERTY_CONST),
         SD_BUS_PROPERTY("JobRunningTimeoutUSec", "t", bus_property_get_usec, offsetof(Unit, job_running_timeout), SD_BUS_VTABLE_PROPERTY_CONST),
-        SD_BUS_PROPERTY("JobTimeoutAction", "s", property_get_emergency_action, offsetof(Unit, job_timeout_action), SD_BUS_VTABLE_PROPERTY_CONST),
+        SD_BUS_PROPERTY("JobTimeoutAction", "s", bus_property_get_emergency_action, offsetof(Unit, job_timeout_action), SD_BUS_VTABLE_PROPERTY_CONST),
         SD_BUS_PROPERTY("JobTimeoutRebootArgument", "s", NULL, offsetof(Unit, job_timeout_reboot_arg), SD_BUS_VTABLE_PROPERTY_CONST),
         SD_BUS_PROPERTY("ConditionResult", "b", bus_property_get_bool, offsetof(Unit, condition_result), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
         SD_BUS_PROPERTY("AssertResult", "b", bus_property_get_bool, offsetof(Unit, assert_result), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
@@ -912,10 +912,10 @@ const sd_bus_vtable bus_unit_vtable[] = {
         SD_BUS_PROPERTY("Perpetual", "b", bus_property_get_bool, offsetof(Unit, perpetual), SD_BUS_VTABLE_PROPERTY_CONST),
         SD_BUS_PROPERTY("StartLimitIntervalUSec", "t", bus_property_get_usec, offsetof(Unit, start_ratelimit.interval), SD_BUS_VTABLE_PROPERTY_CONST),
         SD_BUS_PROPERTY("StartLimitBurst", "u", bus_property_get_unsigned, offsetof(Unit, start_ratelimit.burst), SD_BUS_VTABLE_PROPERTY_CONST),
-        SD_BUS_PROPERTY("StartLimitAction", "s", property_get_emergency_action, offsetof(Unit, start_limit_action), SD_BUS_VTABLE_PROPERTY_CONST),
-        SD_BUS_PROPERTY("FailureAction", "s", property_get_emergency_action, offsetof(Unit, failure_action), SD_BUS_VTABLE_PROPERTY_CONST),
+        SD_BUS_PROPERTY("StartLimitAction", "s", bus_property_get_emergency_action, offsetof(Unit, start_limit_action), SD_BUS_VTABLE_PROPERTY_CONST),
+        SD_BUS_PROPERTY("FailureAction", "s", bus_property_get_emergency_action, offsetof(Unit, failure_action), SD_BUS_VTABLE_PROPERTY_CONST),
         SD_BUS_PROPERTY("FailureActionExitStatus", "i", bus_property_get_int, offsetof(Unit, failure_action_exit_status), SD_BUS_VTABLE_PROPERTY_CONST),
-        SD_BUS_PROPERTY("SuccessAction", "s", property_get_emergency_action, offsetof(Unit, success_action), SD_BUS_VTABLE_PROPERTY_CONST),
+        SD_BUS_PROPERTY("SuccessAction", "s", bus_property_get_emergency_action, offsetof(Unit, success_action), SD_BUS_VTABLE_PROPERTY_CONST),
         SD_BUS_PROPERTY("SuccessActionExitStatus", "i", bus_property_get_int, offsetof(Unit, success_action_exit_status), SD_BUS_VTABLE_PROPERTY_CONST),
         SD_BUS_PROPERTY("RebootArgument", "s", NULL, offsetof(Unit, reboot_arg), SD_BUS_VTABLE_PROPERTY_CONST),
         SD_BUS_PROPERTY("InvocationID", "ay", bus_property_get_id128, offsetof(Unit, invocation_id), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),