diff options
Diffstat (limited to 'src/VBox/Additions/linux/lightdm-greeter/liblightdm-gobject-1.5.0/session.c')
| -rw-r--r-- | src/VBox/Additions/linux/lightdm-greeter/liblightdm-gobject-1.5.0/session.c | 388 |
1 files changed, 388 insertions, 0 deletions
diff --git a/src/VBox/Additions/linux/lightdm-greeter/liblightdm-gobject-1.5.0/session.c b/src/VBox/Additions/linux/lightdm-greeter/liblightdm-gobject-1.5.0/session.c new file mode 100644 index 00000000..2df3a1af --- /dev/null +++ b/src/VBox/Additions/linux/lightdm-greeter/liblightdm-gobject-1.5.0/session.c @@ -0,0 +1,388 @@ +/* + * Copyright (C) 2010 Robert Ancell. + * Author: Robert Ancell <robert.ancell@canonical.com> + * + * This library is free software; you can redistribute it and/or modify it under + * the terms of the GNU Lesser General Public License as published by the Free + * Software Foundation; either version 2 or version 3 of the License. + * See http://www.gnu.org/copyleft/lgpl.html the full text of the license. + */ + +/* + * Oracle LGPL Disclaimer: For the avoidance of doubt, except that if any license choice + * other than GPL or LGPL is available it will apply instead, Oracle elects to use only + * the Lesser General Public License version 2.1 (LGPLv2) at this time for any software where + * a choice of LGPL license versions is made available with the language indicating + * that LGPLv2 or any later version may be used, or where a choice of which version + * of the LGPL is applied is otherwise unspecified. + */ + +#include <string.h> +#include <gio/gdesktopappinfo.h> + +#include "lightdm/session.h" + +enum { + PROP_0, + PROP_KEY, + PROP_NAME, + PROP_COMMENT +}; + +typedef struct +{ + gchar *key; + gchar *name; + gchar *comment; +} LightDMSessionPrivate; + +G_DEFINE_TYPE (LightDMSession, lightdm_session, G_TYPE_OBJECT); + +#define GET_PRIVATE(obj) G_TYPE_INSTANCE_GET_PRIVATE ((obj), LIGHTDM_TYPE_SESSION, LightDMSessionPrivate) + +static gboolean have_sessions = FALSE; +static GList *local_sessions = NULL; +static GList *remote_sessions = NULL; + +static gint +compare_session (gconstpointer a, gconstpointer b) +{ + LightDMSessionPrivate *priv_a = GET_PRIVATE (a); + LightDMSessionPrivate *priv_b = GET_PRIVATE (b); + return strcmp (priv_a->name, priv_b->name); +} + +static LightDMSession * +load_session (GKeyFile *key_file, const gchar *key) +{ + gchar *domain, *name; + LightDMSession *session; + LightDMSessionPrivate *priv; + gchar *try_exec; + + if (g_key_file_get_boolean (key_file, G_KEY_FILE_DESKTOP_GROUP, G_KEY_FILE_DESKTOP_KEY_NO_DISPLAY, NULL) || + g_key_file_get_boolean (key_file, G_KEY_FILE_DESKTOP_GROUP, G_KEY_FILE_DESKTOP_KEY_HIDDEN, NULL)) + return NULL; + +#ifdef G_KEY_FILE_DESKTOP_KEY_GETTEXT_DOMAIN + domain = g_key_file_get_string (key_file, G_KEY_FILE_DESKTOP_GROUP, G_KEY_FILE_DESKTOP_KEY_GETTEXT_DOMAIN, NULL); +#else + domain = g_key_file_get_string (key_file, G_KEY_FILE_DESKTOP_GROUP, "X-GNOME-Gettext-Domain", NULL); +#endif + name = g_key_file_get_locale_string (key_file, G_KEY_FILE_DESKTOP_GROUP, G_KEY_FILE_DESKTOP_KEY_NAME, domain, NULL); + if (!name) + { + g_warning ("Ignoring session without name"); + g_free (domain); + return NULL; + } + + try_exec = g_key_file_get_locale_string (key_file, G_KEY_FILE_DESKTOP_GROUP, G_KEY_FILE_DESKTOP_KEY_TRY_EXEC, domain, NULL); + if (try_exec) + { + gchar *full_path; + + full_path = g_find_program_in_path (try_exec); + g_free (try_exec); + + if (!full_path) + { + g_free (name); + g_free (domain); + return NULL; + } + g_free (full_path); + } + + session = g_object_new (LIGHTDM_TYPE_SESSION, NULL); + priv = GET_PRIVATE (session); + + g_free (priv->key); + priv->key = g_strdup (key); + + g_free (priv->name); + priv->name = name; + + g_free (priv->comment); + priv->comment = g_key_file_get_locale_string (key_file, G_KEY_FILE_DESKTOP_GROUP, G_KEY_FILE_DESKTOP_KEY_COMMENT, domain, NULL); + if (!priv->comment) + priv->comment = g_strdup (""); + + g_free (domain); + + return session; +} + +static GList * +load_sessions (const gchar *sessions_dir) +{ + GDir *directory; + GList *sessions = NULL; + GError *error = NULL; + + directory = g_dir_open (sessions_dir, 0, &error); + if (error) + g_warning ("Failed to open sessions directory: %s", error->message); + g_clear_error (&error); + if (!directory) + return NULL; + + while (TRUE) + { + const gchar *filename; + gchar *path; + GKeyFile *key_file; + gboolean result; + + filename = g_dir_read_name (directory); + if (filename == NULL) + break; + + if (!g_str_has_suffix (filename, ".desktop")) + continue; + + path = g_build_filename (sessions_dir, filename, NULL); + + key_file = g_key_file_new (); + result = g_key_file_load_from_file (key_file, path, G_KEY_FILE_NONE, &error); + if (error) + g_warning ("Failed to load session file %s: %s:", path, error->message); + g_clear_error (&error); + + if (result) + { + gchar *key; + LightDMSession *session; + + key = g_strndup (filename, strlen (filename) - strlen (".desktop")); + session = load_session (key_file, key); + if (session) + { + g_debug ("Loaded session %s (%s, %s)", path, GET_PRIVATE (session)->name, GET_PRIVATE (session)->comment); + sessions = g_list_insert_sorted (sessions, session, compare_session); + } + else + g_debug ("Ignoring session %s", path); + g_free (key); + } + + g_free (path); + g_key_file_free (key_file); + } + + g_dir_close (directory); + + return sessions; +} + +static void +update_sessions (void) +{ + GKeyFile *config_key_file = NULL; + gchar *config_path = NULL; + gchar *xsessions_dir; + gchar *remote_sessions_dir; + gboolean result; + GError *error = NULL; + + if (have_sessions) + return; + + xsessions_dir = g_strdup (XSESSIONS_DIR); + remote_sessions_dir = g_strdup (REMOTE_SESSIONS_DIR); + + /* Use session directory from configuration */ + /* FIXME: This should be sent in the greeter connection */ + config_path = g_build_filename (CONFIG_DIR, "lightdm.conf", NULL); + config_key_file = g_key_file_new (); + result = g_key_file_load_from_file (config_key_file, config_path, G_KEY_FILE_NONE, &error); + if (error) + g_warning ("Failed to open configuration file: %s", error->message); + g_clear_error (&error); + if (result) + { + gchar *value; + + value = g_key_file_get_string (config_key_file, "LightDM", "xsessions-directory", NULL); + if (value) + { + g_free (xsessions_dir); + xsessions_dir = value; + } + + value = g_key_file_get_string (config_key_file, "LightDM", "remote-sessions-directory", NULL); + if (value) + { + g_free (remote_sessions_dir); + remote_sessions_dir = value; + } + } + g_key_file_free (config_key_file); + g_free (config_path); + + local_sessions = load_sessions (xsessions_dir); + remote_sessions = load_sessions (remote_sessions_dir); + + g_free (xsessions_dir); + g_free (remote_sessions_dir); + + have_sessions = TRUE; +} + +/** + * lightdm_get_sessions: + * + * Get the available sessions. + * + * Return value: (element-type LightDMSession) (transfer none): A list of #LightDMSession + **/ +GList * +lightdm_get_sessions (void) +{ + update_sessions (); + return local_sessions; +} + +/** + * 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 + * + * Get the key for a session + * + * Return value: The session key + **/ +const gchar * +lightdm_session_get_key (LightDMSession *session) +{ + g_return_val_if_fail (LIGHTDM_IS_SESSION (session), NULL); + return GET_PRIVATE (session)->key; +} + +/** + * lightdm_session_get_name: + * @session: A #LightDMSession + * + * Get the name for a session + * + * Return value: The session name + **/ +const gchar * +lightdm_session_get_name (LightDMSession *session) +{ + g_return_val_if_fail (LIGHTDM_IS_SESSION (session), NULL); + return GET_PRIVATE (session)->name; +} + +/** + * lightdm_session_get_comment: + * @session: A #LightDMSession + * + * Get the comment for a session + * + * Return value: The session comment + **/ +const gchar * +lightdm_session_get_comment (LightDMSession *session) +{ + g_return_val_if_fail (LIGHTDM_IS_SESSION (session), NULL); + return GET_PRIVATE (session)->comment; +} + +static void +lightdm_session_init (LightDMSession *session) +{ +} + +static void +lightdm_session_set_property (GObject *object, + guint prop_id, + const GValue *value, + GParamSpec *pspec) +{ + G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); +} + +static void +lightdm_session_get_property (GObject *object, + guint prop_id, + GValue *value, + GParamSpec *pspec) +{ + LightDMSession *self; + + self = LIGHTDM_SESSION (object); + + switch (prop_id) { + case PROP_KEY: + g_value_set_string (value, lightdm_session_get_key (self)); + break; + case PROP_NAME: + g_value_set_string (value, lightdm_session_get_name (self)); + break; + case PROP_COMMENT: + g_value_set_string (value, lightdm_session_get_comment (self)); + break; + default: + G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); + break; + } +} + +static void +lightdm_session_finalize (GObject *object) +{ + LightDMSession *self = LIGHTDM_SESSION (object); + LightDMSessionPrivate *priv = GET_PRIVATE (self); + + g_free (priv->key); + g_free (priv->name); + g_free (priv->comment); +} + +static void +lightdm_session_class_init (LightDMSessionClass *klass) +{ + GObjectClass *object_class = G_OBJECT_CLASS (klass); + + g_type_class_add_private (klass, sizeof (LightDMSessionPrivate)); + + object_class->set_property = lightdm_session_set_property; + object_class->get_property = lightdm_session_get_property; + object_class->finalize = lightdm_session_finalize; + + g_object_class_install_property (object_class, + PROP_KEY, + g_param_spec_string ("key", + "key", + "Session key", + NULL, + G_PARAM_READABLE)); + g_object_class_install_property (object_class, + PROP_NAME, + g_param_spec_string ("name", + "name", + "Session name", + NULL, + G_PARAM_READABLE)); + g_object_class_install_property (object_class, + PROP_COMMENT, + g_param_spec_string ("comment", + "comment", + "Session comment", + NULL, + G_PARAM_READABLE)); +} |