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-rw-r--r--daemon/gdm-session.c75
1 files changed, 75 insertions, 0 deletions
diff --git a/daemon/gdm-session.c b/daemon/gdm-session.c
index 5f39fbab..6a116a85 100644
--- a/daemon/gdm-session.c
+++ b/daemon/gdm-session.c
@@ -1416,6 +1416,21 @@ gdm_session_handle_client_select_session (GdmDBusGreeter *greeter_interf
const char *session,
GdmSession *self)
{
+ if (gdm_session_is_running (self)) {
+ const char *username;
+
+ username = gdm_session_get_username (self);
+ g_debug ("GdmSession: refusing to select session %s since it's already running (for user %s)",
+ session,
+ username);
+ g_dbus_method_invocation_return_error (invocation,
+ G_DBUS_ERROR,
+ G_DBUS_ERROR_INVALID_ARGS,
+ "Session already running for user %s",
+ username);
+ return TRUE;
+ }
+
if (self->greeter_interface != NULL) {
gdm_dbus_greeter_complete_select_session (greeter_interface,
invocation);
@@ -1430,6 +1445,22 @@ gdm_session_handle_client_select_user (GdmDBusGreeter *greeter_interface,
const char *username,
GdmSession *self)
{
+ if (gdm_session_is_running (self)) {
+ const char *session_username;
+
+ session_username = gdm_session_get_username (self);
+ g_debug ("GdmSession: refusing to select user %s, since session (%p) already running (for user %s)",
+ username,
+ self,
+ session_username);
+ g_dbus_method_invocation_return_error (invocation,
+ G_DBUS_ERROR,
+ G_DBUS_ERROR_INVALID_ARGS,
+ "Session already running for user %s",
+ session_username);
+ return TRUE;
+ }
+
if (self->greeter_interface != NULL) {
gdm_dbus_greeter_complete_select_user (greeter_interface,
invocation);
@@ -1446,6 +1477,20 @@ gdm_session_handle_client_start_session_when_ready (GdmDBusGreeter *greet
gboolean client_is_ready,
GdmSession *self)
{
+ if (gdm_session_is_running (self)) {
+ const char *username;
+
+ username = gdm_session_get_username (self);
+ g_debug ("GdmSession: refusing to start session (%p), since it's already running (for user %s)",
+ self,
+ username);
+ g_dbus_method_invocation_return_error (invocation,
+ G_DBUS_ERROR,
+ G_DBUS_ERROR_INVALID_ARGS,
+ "Session already running for user %s",
+ username);
+ return TRUE;
+ }
if (self->greeter_interface != NULL) {
gdm_dbus_greeter_complete_start_session_when_ready (greeter_interface,
@@ -1464,6 +1509,20 @@ gdm_session_handle_get_timed_login_details (GdmDBusGreeter *greeter_inter
GDBusMethodInvocation *invocation,
GdmSession *self)
{
+ if (gdm_session_is_running (self)) {
+ const char *username;
+
+ username = gdm_session_get_username (self);
+ g_debug ("GdmSession: refusing to give timed login details, session (%p) already running (for user %s)",
+ self,
+ username);
+ g_dbus_method_invocation_return_error (invocation,
+ G_DBUS_ERROR,
+ G_DBUS_ERROR_INVALID_ARGS,
+ "Session already running for user %s",
+ username);
+ return TRUE;
+ }
if (self->greeter_interface != NULL) {
gdm_dbus_greeter_complete_get_timed_login_details (greeter_interface,
@@ -1486,6 +1545,22 @@ gdm_session_handle_client_begin_auto_login (GdmDBusGreeter *greeter_inter
const char *username,
GdmSession *self)
{
+ const char *session_username;
+
+ if (gdm_session_is_running (self)) {
+ session_username = gdm_session_get_username (self);
+ g_debug ("GdmSession: refusing auto login operation, session (%p) already running for user %s (%s requested)",
+ self,
+ session_username,
+ username);
+ g_dbus_method_invocation_return_error (invocation,
+ G_DBUS_ERROR,
+ G_DBUS_ERROR_INVALID_ARGS,
+ "Session already owned by user %s",
+ session_username);
+ return TRUE;
+ }
+
if (self->greeter_interface != NULL) {
gdm_dbus_greeter_complete_begin_auto_login (greeter_interface,
invocation);