logind: restore logic to kill user processes when session ends

[elogind.git] / src / login / logind-dbus.c

diff --git a/src/login/logind-dbus.c b/src/login/logind-dbus.c
index 39af637d1b03d0996f562d5848292786f37e019d..345df9f1cc2bf5601ba0e510bc0ab25dc1b81148 100644 (file)
--- a/src/login/logind-dbus.c
+++ b/src/login/logind-dbus.c
@@ -643,6 +643,10 @@ static int bus_manager_create_session(Manager *m, DBusMessage *message) {
 
         session->create_message = dbus_message_ref(message);
 
+        /* Now, let's wait until the slice unit and stuff got
+         * created. We send the reply back from
+         * session_send_create_reply().*/
+
         return 0;
 
 fail:
@@ -2356,7 +2360,6 @@ DBusHandlerResult bus_message_filter(
                                 if (streq_ptr(path, s->scope_job)) {
                                         free(s->scope_job);
                                         s->scope_job = NULL;
-                                        session_save(s);
 
                                         if (s->started) {
                                                 if (streq(result, "done"))
@@ -2365,7 +2368,8 @@ DBusHandlerResult bus_message_filter(
                                                         dbus_set_error(&error, BUS_ERROR_JOB_FAILED, "Start job for unit %s failed with '%s'", unit, result);
                                                         session_send_create_reply(s, &error);
                                                 }
-                                        }
+                                        } else
+                                                session_save(s);
                                 }
 
                                 session_add_to_gc_queue(s);
@@ -2519,14 +2523,15 @@ int manager_start_scope(
                 const char *slice,
                 const char *description,
                 const char *after,
+                const char *kill_mode,
                 DBusError *error,
                 char **job) {
 
+        const char *timeout_stop_property = "TimeoutStopUSec", *send_sighup_property = "SendSIGHUP", *pids_property = "PIDs";
         _cleanup_dbus_message_unref_ DBusMessage *m = NULL, *reply = NULL;
         DBusMessageIter iter, sub, sub2, sub3, sub4;
-        const char *timeout_stop_property = "TimeoutStopUSec";
-        const char *pids_property = "PIDs";
         uint64_t timeout = 500 * USEC_PER_MSEC;
+        dbus_bool_t send_sighup = true;
         const char *fail = "fail";
         uint32_t u;
 
@@ -2590,6 +2595,18 @@ int manager_start_scope(
                         return log_oom();
         }
 
+        if (!isempty(kill_mode)) {
+                const char *kill_mode_property = "KillMode";
+
+                if (!dbus_message_iter_open_container(&sub, DBUS_TYPE_STRUCT, NULL, &sub2) ||
+                    !dbus_message_iter_append_basic(&sub2, DBUS_TYPE_STRING, &kill_mode_property) ||
+                    !dbus_message_iter_open_container(&sub2, DBUS_TYPE_VARIANT, "s", &sub3) ||
+                    !dbus_message_iter_append_basic(&sub3, DBUS_TYPE_STRING, &kill_mode) ||
+                    !dbus_message_iter_close_container(&sub2, &sub3) ||
+                    !dbus_message_iter_close_container(&sub, &sub2))
+                        return log_oom();
+        }
+
         /* cgroup empty notification is not available in containers
          * currently. To make this less problematic, let's shorten the
          * stop timeout for sessions, so that we don't wait
@@ -2603,6 +2620,16 @@ int manager_start_scope(
             !dbus_message_iter_close_container(&sub, &sub2))
                 return log_oom();
 
+        /* Make sure that the session shells are terminated with
+         * SIGHUP since bash and friends tend to ignore SIGTERM */
+        if (!dbus_message_iter_open_container(&sub, DBUS_TYPE_STRUCT, NULL, &sub2) ||
+            !dbus_message_iter_append_basic(&sub2, DBUS_TYPE_STRING, &send_sighup_property) ||
+            !dbus_message_iter_open_container(&sub2, DBUS_TYPE_VARIANT, "b", &sub3) ||
+            !dbus_message_iter_append_basic(&sub3, DBUS_TYPE_BOOLEAN, &send_sighup) ||
+            !dbus_message_iter_close_container(&sub2, &sub3) ||
+            !dbus_message_iter_close_container(&sub, &sub2))
+                return log_oom();
+
         u = pid;
         if (!dbus_message_iter_open_container(&sub, DBUS_TYPE_STRUCT, NULL, &sub2) ||
             !dbus_message_iter_append_basic(&sub2, DBUS_TYPE_STRING, &pids_property) ||
@@ -2611,8 +2638,10 @@ int manager_start_scope(
             !dbus_message_iter_append_basic(&sub4, DBUS_TYPE_UINT32, &u) ||
             !dbus_message_iter_close_container(&sub3, &sub4) ||
             !dbus_message_iter_close_container(&sub2, &sub3) ||
-            !dbus_message_iter_close_container(&sub, &sub2) ||
-            !dbus_message_iter_close_container(&iter, &sub))
+            !dbus_message_iter_close_container(&sub, &sub2))
+                return log_oom();
+
+        if (!dbus_message_iter_close_container(&iter, &sub))
                 return log_oom();
 
         reply = dbus_connection_send_with_reply_and_block(manager->bus, m, -1, error);