SHA256
1
0
forked from pool/gdm
gdm/gdm-add-runtime-option-to-disable-starting-X-server-as-u.patch
Dominique Leuenberger 518cdfaaf3 Accepting request 917405 from home:xiaoguang_wang:branches:GNOME:Factory
- Add gdm-add-runtime-option-to-disable-starting-X-server-as-u.patch:
  Support to start X under root instead of regular user.
  (bnc#1188912 jsc#SLE-17880).
- Update X11-displaymanager-gdm file.

OBS-URL: https://build.opensuse.org/request/show/917405
OBS-URL: https://build.opensuse.org/package/show/GNOME:Factory/gdm?expand=0&rev=482
2021-09-09 08:49:52 +00:00

192 lines
7.1 KiB
Diff

From a19b51ad9e446948ba60c359641f6c4c14fec1da Mon Sep 17 00:00:00 2001
From: Michal Srb <msrb@suse.com>
Date: Fri, 26 Jan 2018 10:49:18 +0100
Subject: [PATCH] Add runtime option to disable starting X server as user
If the environmental variable GDM_DISABLE_USER_DISPLAY_SERVER is defined, the
X server will be started under root. The same way as if gdm was built with
--disable-user-display-server option.
This allows system to run X server under root if and only-if necessary.
---
Index: gdm-40.1/daemon/gdm-local-display-factory.c
===================================================================
--- gdm-40.1.orig/daemon/gdm-local-display-factory.c
+++ gdm-40.1/daemon/gdm-local-display-factory.c
@@ -236,11 +236,13 @@ gdm_local_display_factory_create_transie
g_debug ("GdmLocalDisplayFactory: Creating transient display");
#ifdef ENABLE_USER_DISPLAY_SERVER
+ if (getenv ("GDM_DISABLE_USER_DISPLAY_SERVER") == NULL ) {
display = gdm_local_display_new ();
if (gdm_local_display_factory_use_wayland ())
g_object_set (G_OBJECT (display), "session-type", "wayland", NULL);
is_initial = TRUE;
-#else
+//#else
+ } else {
if (display == NULL) {
guint32 num;
@@ -248,6 +250,7 @@ gdm_local_display_factory_create_transie
display = gdm_legacy_display_new (num);
}
+ }
#endif
g_object_set (display,
@@ -597,12 +600,14 @@ ensure_display_for_seat (GdmLocalDisplay
g_debug ("GdmLocalDisplayFactory: Adding display on seat %s", seat_id);
#ifdef ENABLE_USER_DISPLAY_SERVER
+ if (getenv ("GDM_DISABLE_USER_DISPLAY_SERVER") == NULL ) {
if (is_seat0) {
display = gdm_local_display_new ();
if (session_type != NULL) {
g_object_set (G_OBJECT (display), "session-type", session_type, NULL);
}
}
+ }
#endif
if (display == NULL) {
@@ -893,6 +898,10 @@ on_vt_changed (GIOChannel *source,
g_debug ("GdmLocalDisplayFactory: VT changed from %u to %u",
previous_vt, factory->active_vt);
+ if (getenv ("GDM_DISABLE_USER_DISPLAY_SERVER") != NULL) {
+ return G_SOURCE_CONTINUE;
+ }
+
store = gdm_display_factory_get_display_store (GDM_DISPLAY_FACTORY (factory));
/* if the old VT was running a wayland login screen kill it
@@ -1004,6 +1013,7 @@ gdm_local_display_factory_start_monitor
g_object_unref);
#if defined(ENABLE_USER_DISPLAY_SERVER)
+ if (getenv ("GDM_DISABLE_USER_DISPLAY_SERVER") == NULL ) {
io_channel = g_io_channel_new_file ("/sys/class/tty/tty0/active", "r", NULL);
if (io_channel != NULL) {
@@ -1014,6 +1024,7 @@ gdm_local_display_factory_start_monitor
on_vt_changed,
factory);
}
+ }
#endif
}
@@ -1036,6 +1047,7 @@ gdm_local_display_factory_stop_monitor (
factory->seat_properties_changed_id = 0;
}
#if defined(ENABLE_USER_DISPLAY_SERVER)
+ if (getenv ("GDM_DISABLE_USER_DISPLAY_SERVER") == NULL ) {
if (factory->active_vt_watch_id) {
g_source_remove (factory->active_vt_watch_id);
factory->active_vt_watch_id = 0;
@@ -1044,6 +1056,7 @@ gdm_local_display_factory_stop_monitor (
g_source_remove (factory->wait_to_finish_timeout_id);
factory->wait_to_finish_timeout_id = 0;
}
+ }
#endif
}
Index: gdm-40.1/daemon/gdm-session.c
===================================================================
--- gdm-40.1.orig/daemon/gdm-session.c
+++ gdm-40.1/daemon/gdm-session.c
@@ -382,19 +382,22 @@ get_system_session_dirs (GdmSession *sel
if (!self->ignore_wayland &&
(type == NULL || g_str_equal (type, "wayland"))) {
#ifdef ENABLE_USER_DISPLAY_SERVER
+ if (getenv ("GDM_DISABLE_USER_DISPLAY_SERVER") == NULL ) {
g_array_prepend_val (search_array, wayland_search_dir);
for (i = 0; system_data_dirs[i]; i++) {
gchar *dir = g_build_filename (system_data_dirs[i], "wayland-sessions", NULL);
g_array_insert_val (search_array, i, dir);
}
-#else
+//#else
+ } else {
for (i = 0; system_data_dirs[i]; i++) {
gchar *dir = g_build_filename (system_data_dirs[i], "wayland-sessions", NULL);
g_array_append_val (search_array, dir);
}
g_array_append_val (search_array, wayland_search_dir);
+ }
#endif
}
#endif
@@ -3341,6 +3344,7 @@ gdm_session_get_display_mode (GdmSession
}
#ifdef ENABLE_USER_DISPLAY_SERVER
+ if (getenv ("GDM_DISABLE_USER_DISPLAY_SERVER") == NULL ) {
/* All other cases (wayland login screen, X login screen,
* wayland user session, X user session) use the NEW_VT
* display mode. That display mode means that GDM allocates
@@ -3363,7 +3367,8 @@ gdm_session_get_display_mode (GdmSession
* are paused when handed out.
*/
return GDM_SESSION_DISPLAY_MODE_NEW_VT;
-#else
+//#else
+ } else {
#ifdef ENABLE_WAYLAND_SUPPORT
/* Wayland sessions are for now assumed to run in a
@@ -3374,6 +3379,7 @@ gdm_session_get_display_mode (GdmSession
}
#endif
return GDM_SESSION_DISPLAY_MODE_REUSE_VT;
+ }
#endif
}
Index: gdm-40.1/daemon/gdm-session-worker.c
===================================================================
--- gdm-40.1.orig/daemon/gdm-session-worker.c
+++ gdm-40.1/daemon/gdm-session-worker.c
@@ -1755,8 +1755,10 @@ jump_back_to_initial_vt (GdmSessionWorke
return;
#ifdef ENABLE_USER_DISPLAY_SERVER
+ if (getenv ("GDM_DISABLE_USER_DISPLAY_SERVER") == NULL ) {
jump_to_vt (worker, GDM_INITIAL_VT);
worker->priv->session_vt = 0;
+ }
#endif
}
Index: gdm-40.1/daemon/gdm-manager.c
===================================================================
--- gdm-40.1.orig/daemon/gdm-manager.c
+++ gdm-40.1/daemon/gdm-manager.c
@@ -1349,6 +1349,8 @@ set_up_automatic_login_session (GdmManag
"display-is-initial", FALSE,
NULL);
+ if (getenv ("GDM_DISABLE_USER_DISPLAY_SERVER") != NULL)
+ manager->priv->did_automatic_login = TRUE;
g_debug ("GdmManager: Starting automatic login conversation");
gdm_session_start_conversation (session, "gdm-autologin");
}
Index: gdm-40.1/daemon/gdm-server.c
===================================================================
--- gdm-40.1.orig/daemon/gdm-server.c
+++ gdm-40.1/daemon/gdm-server.c
@@ -752,7 +752,7 @@ gdm_server_start (GdmServer *server)
GError **error = &local_error;
/* Hardcode the VT for the initial X server, but nothing else */
- if (server->is_initial) {
+ if (server->is_initial && g_strcmp0 (server->display_name, ":0") == 0) {
vtarg = "vt" G_STRINGIFY (GDM_INITIAL_VT);
}