Start work on supporting remote session types

4 files changed, 62 insertions, 3 deletions

diff --git a/liblightdm-gobject/greeter.c b/liblightdm-gobject/greeter.c
index 2d31b84c..b6d1ba77 100644
--- a/liblightdm-gobject/greeter.c
+++ b/liblightdm-gobject/greeter.c
@@ -80,7 +80,8 @@ typedef enum
     GREETER_MESSAGE_CONTINUE_AUTHENTICATION,
     GREETER_MESSAGE_START_SESSION,
     GREETER_MESSAGE_CANCEL_AUTHENTICATION,
-    GREETER_MESSAGE_SET_LANGUAGE
+    GREETER_MESSAGE_SET_LANGUAGE,
+    GREETER_MESSAGE_AUTHENTICATE_REMOTE
 } GreeterMessage;
 
 /* Messages from the server to the greeter */
@@ -770,7 +771,7 @@ lightdm_greeter_cancel_autologin (LightDMGreeter *greeter)
  * Starts the authentication procedure for a user.
  **/
 void
-lightdm_greeter_authenticate (LightDMGreeter *greeter, const char *username)
+lightdm_greeter_authenticate (LightDMGreeter *greeter, const gchar *username)
 {
     LightDMGreeterPrivate *priv;
     guint8 message[MAX_MESSAGE_LENGTH];
@@ -832,6 +833,45 @@ lightdm_greeter_authenticate_as_guest (LightDMGreeter *greeter)
 }
 
 /**
+ * lightdm_greeter_authenticate_remote:
+ * @greeter: A #LightDMGreeter
+ * @session: The name of a remote session
+ * @username: (allow-none): A username of #NULL to prompt for a username.
+ *
+ * Start authentication for a remote session type.
+ **/
+void
+lightdm_greeter_authenticate_remote (LightDMGreeter *greeter, const gchar *session, const gchar *username)
+{
+    LightDMGreeterPrivate *priv;
+    guint8 message[MAX_MESSAGE_LENGTH];
+    gsize offset = 0;
+
+    g_return_if_fail (LIGHTDM_IS_GREETER (greeter));
+
+    priv = GET_PRIVATE (greeter);
+
+    g_return_if_fail (priv->connected);
+
+    priv->cancelling_authentication = FALSE;
+    priv->authenticate_sequence_number++;
+    priv->in_authentication = TRUE;
+    priv->is_authenticated = FALSE;
+    g_free (priv->authentication_user);
+    priv->authentication_user = NULL;
+
+    if (username)
+        g_debug ("Starting authentication for remote session %s as user %s...", session, username);
+    else
+        g_debug ("Starting authentication for remote session %s...", session);
+    write_header (message, MAX_MESSAGE_LENGTH, GREETER_MESSAGE_AUTHENTICATE_REMOTE, int_length () + string_length (session) + string_length (username), &offset);
+    write_int (message, MAX_MESSAGE_LENGTH, priv->authenticate_sequence_number, &offset);
+    write_string (message, MAX_MESSAGE_LENGTH, session, &offset);
+    write_string (message, MAX_MESSAGE_LENGTH, username, &offset);
+    write_message (greeter, message, offset);
+}
+
+/**
  * lightdm_greeter_respond:
  * @greeter: A #LightDMGreeter
  * @response: Response to a prompt
diff --git a/liblightdm-gobject/lightdm/greeter.h b/liblightdm-gobject/lightdm/greeter.h
index dc051b3e..cd26f772 100644
--- a/liblightdm-gobject/lightdm/greeter.h
+++ b/liblightdm-gobject/lightdm/greeter.h
@@ -98,10 +98,12 @@ gint lightdm_greeter_get_autologin_timeout_hint (LightDMGreeter *greeter);
 
 void lightdm_greeter_cancel_autologin (LightDMGreeter *greeter);
 
-void lightdm_greeter_authenticate (LightDMGreeter *greeter, const char *username);
+void lightdm_greeter_authenticate (LightDMGreeter *greeter, const gchar *username);
 
 void lightdm_greeter_authenticate_as_guest (LightDMGreeter *greeter);
 
+void lightdm_greeter_authenticate_remote (LightDMGreeter *greeter, const gchar *session, const gchar *username);
+
 void lightdm_greeter_respond (LightDMGreeter *greeter, const gchar *response);
 
 void lightdm_greeter_cancel_authentication (LightDMGreeter *greeter);
diff --git a/liblightdm-gobject/lightdm/session.h b/liblightdm-gobject/lightdm/session.h
index 3b07bdcd..910205e0 100644
--- a/liblightdm-gobject/lightdm/session.h
+++ b/liblightdm-gobject/lightdm/session.h
@@ -45,6 +45,8 @@ GType lightdm_session_get_type (void);
 
 GList *lightdm_get_sessions (void);
 
+GList *lightdm_get_remote_sessions (void);
+
 const gchar *lightdm_session_get_key (LightDMSession *session);
 
 const gchar *lightdm_session_get_name (LightDMSession *session);
diff --git a/liblightdm-gobject/session.c b/liblightdm-gobject/session.c
index 603ddb7f..577e3274 100644
--- a/liblightdm-gobject/session.c
+++ b/liblightdm-gobject/session.c
@@ -34,6 +34,7 @@ G_DEFINE_TYPE (LightDMSession, lightdm_session, G_TYPE_OBJECT);
 
 static gboolean have_sessions = FALSE;
 static GList *sessions = NULL;
+static GList *remote_sessions = NULL;
 
 static gint 
 compare_session (gconstpointer a, gconstpointer b)
@@ -209,6 +210,20 @@ lightdm_get_sessions (void)
 }
 
 /**
+ * lightdm_get_remote_sessions:
+ *
+ * Get the available remote sessions.
+ *
+ * Return value: (element-type LightDMSession) (transfer none): A list of #LightDMSession
+ **/
+GList *
+lightdm_get_remote_sessions (void)
+{
+    update_sessions ();
+    return remote_sessions;
+}
+
+/**
  * lightdm_session_get_key:
  * @session: A #LightDMSession
  *