Improve logout lockdown

Taken from gnome-session commit: 1e3e0b475cfd352d4abe7ace4ee5a40be04a8b42
From: Ray Strode <[email protected]>

2 files changed, 17 insertions, 0 deletions

diff --git a/mate-session/gsm-manager.c b/mate-session/gsm-manager.c
index 66ae3a6..a880fb3 100644
--- a/mate-session/gsm-manager.c
+++ b/mate-session/gsm-manager.c
@@ -215,6 +215,7 @@ gsm_manager_error_get_type (void)
                         ENUM_ENTRY (GSM_MANAGER_ERROR_ALREADY_REGISTERED, "AlreadyRegistered"),
                         ENUM_ENTRY (GSM_MANAGER_ERROR_NOT_REGISTERED, "NotRegistered"),
                         ENUM_ENTRY (GSM_MANAGER_ERROR_INVALID_OPTION, "InvalidOption"),
+                        ENUM_ENTRY (GSM_MANAGER_ERROR_LOCKED_DOWN, "LockedDown"),
                         { 0, 0, 0 }
                 };
 
@@ -3303,6 +3304,13 @@ gsm_manager_request_reboot (GsmManager *manager,
         return TRUE;
 }
 
+static gboolean
+_log_out_is_locked_down (GsmManager *manager)
+{
+        return g_settings_get_boolean (manager->priv->settings_lockdown,
+        "disable-log-out");
+}
+
 gboolean
 gsm_manager_shutdown (GsmManager *manager,
                       GError    **error)
@@ -3386,6 +3394,14 @@ gsm_manager_logout (GsmManager *manager,
                 return FALSE;
         }
 
+        if (_log_out_is_locked_down (manager)) {
+                g_set_error (error,
+                             GSM_MANAGER_ERROR,
+                             GSM_MANAGER_ERROR_LOCKED_DOWN,
+                             "Logout has been locked down");
+                return FALSE;
+        }
+
         switch (logout_mode) {
         case GSM_MANAGER_LOGOUT_MODE_NORMAL:
         case GSM_MANAGER_LOGOUT_MODE_NO_CONFIRMATION:
diff --git a/mate-session/gsm-manager.h b/mate-session/gsm-manager.h
index c9170df..035d11b 100644
--- a/mate-session/gsm-manager.h
+++ b/mate-session/gsm-manager.h
@@ -96,6 +96,7 @@ typedef enum
         GSM_MANAGER_ERROR_ALREADY_REGISTERED,
         GSM_MANAGER_ERROR_NOT_REGISTERED,
         GSM_MANAGER_ERROR_INVALID_OPTION,
+        GSM_MANAGER_ERROR_LOCKED_DOWN,
         GSM_MANAGER_NUM_ERRORS
 } GsmManagerError;