/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 8 -*- * * Copyright (C) 2006 Ray Strode * Copyright (C) 2007 William Jon McCann * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2, or (at your option) * any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA * 02110-1301, USA. */ #include "config.h" #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include "gdm-session.h" #include "gdm-session-glue.h" #include "gdm-dbus-util.h" #include "gdm-session.h" #include "gdm-session-enum-types.h" #include "gdm-session-record.h" #include "gdm-session-worker-common.h" #include "gdm-session-worker-job.h" #include "gdm-session-worker-glue.h" #include "gdm-common.h" #define GDM_SESSION_DBUS_ERROR_CANCEL "org.gnome.DisplayManager.Session.Error.Cancel" #define GDM_SESSION_DBUS_OBJECT_PATH "/org/gnome/DisplayManager/Session" #define GDM_WORKER_DBUS_PATH "/org/gnome/DisplayManager/Worker" typedef struct { GdmSession *session; GdmSessionWorkerJob *job; GPid worker_pid; char *service_name; GDBusConnection *worker_connection; GDBusMethodInvocation *starting_invocation; char *starting_username; GDBusMethodInvocation *pending_invocation; GdmDBusWorkerManager *worker_manager_interface; GdmDBusWorker *worker_proxy; char *session_id; guint32 is_stopping : 1; GPid reauth_pid_of_caller; } GdmSessionConversation; struct _GdmSessionPrivate { /* per open scope */ char *selected_program; char *selected_session; char *saved_session; char *selected_language; char *saved_language; char *selected_user; char *user_x11_authority_file; GHashTable *conversations; GdmSessionConversation *session_conversation; char **conversation_environment; GdmDBusUserVerifier *user_verifier_interface; GdmDBusGreeter *greeter_interface; GdmDBusRemoteGreeter *remote_greeter_interface; GdmDBusChooser *chooser_interface; GList *pending_worker_connections; GList *outside_connections; GPid session_pid; /* object lifetime scope */ char *display_name; char *display_hostname; char *display_device; char *display_seat_id; char *display_x11_authority_file; gboolean display_is_local; GdmSessionVerificationMode verification_mode; uid_t allowed_user; char *fallback_session_name; GDBusServer *worker_server; GDBusServer *outside_server; GHashTable *environment; }; enum { PROP_0, PROP_VERIFICATION_MODE, PROP_ALLOWED_USER, PROP_DISPLAY_NAME, PROP_DISPLAY_HOSTNAME, PROP_DISPLAY_IS_LOCAL, PROP_DISPLAY_DEVICE, PROP_DISPLAY_SEAT_ID, PROP_DISPLAY_X11_AUTHORITY_FILE, PROP_USER_X11_AUTHORITY_FILE, PROP_CONVERSATION_ENVIRONMENT, }; enum { CONVERSATION_STARTED = 0, CONVERSATION_STOPPED, SETUP_COMPLETE, CANCELLED, HOSTNAME_SELECTED, CLIENT_CONNECTED, CLIENT_DISCONNECTED, CLIENT_READY_FOR_SESSION_TO_START, DISCONNECTED, VERIFICATION_COMPLETE, SESSION_OPENED, SESSION_STARTED, SESSION_START_FAILED, SESSION_EXITED, SESSION_DIED, REAUTHENTICATION_STARTED, REAUTHENTICATED, LAST_SIGNAL }; static guint signals [LAST_SIGNAL] = { 0, }; G_DEFINE_TYPE (GdmSession, gdm_session, G_TYPE_OBJECT); static GdmSessionConversation * find_conversation_by_name (GdmSession *self, const char *service_name) { GdmSessionConversation *conversation; conversation = g_hash_table_lookup (self->priv->conversations, service_name); if (conversation == NULL) { g_warning ("Tried to look up non-existent conversation %s", service_name); } return conversation; } static void on_session_started (GdmSession *self, const char *service_name) { GdmSessionConversation *conversation; conversation = find_conversation_by_name (self, service_name); if (conversation != NULL) { gdm_session_record_login (conversation->worker_pid, self->priv->selected_user, self->priv->display_hostname, self->priv->display_name, self->priv->display_device); } } static void on_session_start_failed (GdmSession *self, const char *service_name, const char *message) { GdmSessionConversation *conversation; conversation = find_conversation_by_name (self, service_name); if (conversation != NULL) { gdm_session_record_login (conversation->worker_pid, self->priv->selected_user, self->priv->display_hostname, self->priv->display_name, self->priv->display_device); } } static void on_session_exited (GdmSession *self, int exit_code) { gdm_session_record_logout (self->priv->session_pid, self->priv->selected_user, self->priv->display_hostname, self->priv->display_name, self->priv->display_device); } static void report_and_stop_conversation (GdmSession *self, const char *service_name, GError *error) { g_dbus_error_strip_remote_error (error); if (self->priv->user_verifier_interface != NULL) { if (g_error_matches (error, GDM_SESSION_WORKER_ERROR, GDM_SESSION_WORKER_ERROR_SERVICE_UNAVAILABLE)) { gdm_dbus_user_verifier_emit_service_unavailable (self->priv->user_verifier_interface, service_name, error->message); } else { gdm_dbus_user_verifier_emit_problem (self->priv->user_verifier_interface, service_name, error->message); } gdm_dbus_user_verifier_emit_verification_failed (self->priv->user_verifier_interface, service_name); } gdm_session_stop_conversation (self, service_name); } static void on_authenticate_cb (GdmDBusWorker *proxy, GAsyncResult *res, gpointer user_data) { GdmSessionConversation *conversation = user_data; GdmSession *self; char *service_name; GError *error = NULL; gboolean worked; worked = gdm_dbus_worker_call_authenticate_finish (proxy, res, &error); if (g_error_matches (error, G_IO_ERROR, G_IO_ERROR_CLOSED) || g_error_matches (error, G_IO_ERROR, G_IO_ERROR_CANCELLED)) return; self = conversation->session; service_name = conversation->service_name; if (worked) { gdm_session_authorize (self, service_name); } else { gdm_session_record_failed (conversation->worker_pid, self->priv->selected_user, self->priv->display_hostname, self->priv->display_name, self->priv->display_device); report_and_stop_conversation (self, service_name, error); } } static void on_authorize_cb (GdmDBusWorker *proxy, GAsyncResult *res, gpointer user_data) { GdmSessionConversation *conversation = user_data; GdmSession *self; char *service_name; GError *error = NULL; gboolean worked; worked = gdm_dbus_worker_call_authorize_finish (proxy, res, &error); if (g_error_matches (error, G_IO_ERROR, G_IO_ERROR_CLOSED) || g_error_matches (error, G_IO_ERROR, G_IO_ERROR_CANCELLED)) return; self = conversation->session; service_name = conversation->service_name; if (worked) { gdm_session_accredit (self, service_name); } else { report_and_stop_conversation (self, service_name, error); } } static void on_establish_credentials_cb (GdmDBusWorker *proxy, GAsyncResult *res, gpointer user_data) { GdmSessionConversation *conversation = user_data; GdmSession *self; char *service_name; GError *error = NULL; gboolean worked; worked = gdm_dbus_worker_call_establish_credentials_finish (proxy, res, &error); if (g_error_matches (error, G_IO_ERROR, G_IO_ERROR_CLOSED) || g_error_matches (error, G_IO_ERROR, G_IO_ERROR_CANCELLED)) return; self = conversation->session; service_name = conversation->service_name; if (worked) { switch (self->priv->verification_mode) { case GDM_SESSION_VERIFICATION_MODE_REAUTHENTICATE: if (self->priv->user_verifier_interface != NULL) { gdm_dbus_user_verifier_emit_verification_complete (self->priv->user_verifier_interface, service_name); g_signal_emit (self, signals[VERIFICATION_COMPLETE], 0, service_name); } break; case GDM_SESSION_VERIFICATION_MODE_LOGIN: case GDM_SESSION_VERIFICATION_MODE_CHOOSER: gdm_session_open_session (self, service_name); break; default: break; } } else { report_and_stop_conversation (self, service_name, error); } } static const char ** get_system_session_dirs (void) { static const char *search_dirs[] = { "/etc/X11/sessions/", DMCONFDIR "/Sessions/", DATADIR "/xsessions/", DATADIR "/gdm/BuiltInSessions/", NULL }; return search_dirs; } static gboolean is_prog_in_path (const char *prog) { char *f; gboolean ret; f = g_find_program_in_path (prog); ret = (f != NULL); g_free (f); return ret; } static gboolean get_session_command_for_file (const char *file, char **command) { GKeyFile *key_file; GError *error; char *exec; gboolean ret; gboolean res; exec = NULL; ret = FALSE; if (command != NULL) { *command = NULL; } key_file = g_key_file_new (); g_debug ("GdmSession: looking for session file '%s'", file); error = NULL; res = g_key_file_load_from_dirs (key_file, file, get_system_session_dirs (), NULL, G_KEY_FILE_NONE, &error); if (! res) { g_debug ("GdmSession: File '%s' not found: %s", file, error->message); g_error_free (error); if (command != NULL) { *command = NULL; } goto out; } error = NULL; res = g_key_file_get_boolean (key_file, G_KEY_FILE_DESKTOP_GROUP, G_KEY_FILE_DESKTOP_KEY_HIDDEN, &error); if (error == NULL && res) { g_debug ("GdmSession: Session %s is marked as hidden", file); goto out; } exec = g_key_file_get_string (key_file, G_KEY_FILE_DESKTOP_GROUP, G_KEY_FILE_DESKTOP_KEY_TRY_EXEC, NULL); if (exec != NULL) { res = is_prog_in_path (exec); g_free (exec); exec = NULL; if (! res) { g_debug ("GdmSession: Command not found: %s", G_KEY_FILE_DESKTOP_KEY_TRY_EXEC); goto out; } } error = NULL; exec = g_key_file_get_string (key_file, G_KEY_FILE_DESKTOP_GROUP, G_KEY_FILE_DESKTOP_KEY_EXEC, &error); if (error != NULL) { g_debug ("GdmSession: %s key not found: %s", G_KEY_FILE_DESKTOP_KEY_EXEC, error->message); g_error_free (error); goto out; } if (command != NULL) { *command = g_strdup (exec); } ret = TRUE; out: g_free (exec); return ret; } static gboolean get_session_command_for_name (const char *name, char **command) { gboolean res; char *filename; filename = g_strdup_printf ("%s.desktop", name); res = get_session_command_for_file (filename, command); g_free (filename); /* * The GDM Xsession script honors "custom" as a valid session. If the * session is one of these, no file is needed, then just run the * command as "custom". */ if (!res && strcmp (name, GDM_CUSTOM_SESSION) == 0) { g_debug ("No custom desktop file, but accepting it anyway."); if (command != NULL) { *command = g_strdup (GDM_CUSTOM_SESSION); } res = TRUE; } return res; } static const char * get_default_language_name (GdmSession *self) { if (self->priv->saved_language != NULL) { return self->priv->saved_language; } return setlocale (LC_MESSAGES, NULL); } static const char * get_fallback_session_name (GdmSession *self) { const char **search_dirs; int i; char *name; GSequence *sessions; GSequenceIter *session; if (self->priv->fallback_session_name != NULL) { /* verify that the cached version still exists */ if (get_session_command_for_name (self->priv->fallback_session_name, NULL)) { goto out; } } name = g_strdup ("gnome"); if (get_session_command_for_name (name, NULL)) { g_free (self->priv->fallback_session_name); self->priv->fallback_session_name = name; goto out; } g_free (name); sessions = g_sequence_new (g_free); search_dirs = get_system_session_dirs (); for (i = 0; search_dirs[i] != NULL; i++) { GDir *dir; const char *base_name; dir = g_dir_open (search_dirs[i], 0, NULL); if (dir == NULL) { continue; } do { base_name = g_dir_read_name (dir); if (base_name == NULL) { break; } if (!g_str_has_suffix (base_name, ".desktop")) { continue; } if (get_session_command_for_file (base_name, NULL)) { g_sequence_insert_sorted (sessions, g_strdup (base_name), (GCompareDataFunc) g_strcmp0, NULL); } } while (base_name != NULL); g_dir_close (dir); } name = NULL; session = g_sequence_get_begin_iter (sessions); do { if (g_sequence_get (session)) { char *base_name; g_free (name); base_name = g_sequence_get (session); name = g_strndup (base_name, strlen (base_name) - strlen (".desktop")); break; } session = g_sequence_iter_next (session); } while (!g_sequence_iter_is_end (session)); g_free (self->priv->fallback_session_name); self->priv->fallback_session_name = name; g_sequence_free (sessions); out: return self->priv->fallback_session_name; } static const char * get_default_session_name (GdmSession *self) { if (self->priv->saved_session != NULL) { return self->priv->saved_session; } return get_fallback_session_name (self); } static void gdm_session_defaults_changed (GdmSession *self) { if (self->priv->greeter_interface != NULL) { gdm_dbus_greeter_emit_default_language_name_changed (self->priv->greeter_interface, get_default_language_name (self)); gdm_dbus_greeter_emit_default_session_name_changed (self->priv->greeter_interface, get_default_session_name (self)); } } void gdm_session_select_user (GdmSession *self, const char *text) { g_debug ("GdmSession: Setting user: '%s'", text); g_free (self->priv->selected_user); self->priv->selected_user = g_strdup (text); g_free (self->priv->saved_session); self->priv->saved_session = NULL; g_free (self->priv->saved_language); self->priv->saved_language = NULL; } static void cancel_pending_query (GdmSessionConversation *conversation) { if (conversation->pending_invocation == NULL) { return; } g_debug ("GdmSession: Cancelling pending query"); g_dbus_method_invocation_return_dbus_error (conversation->pending_invocation, GDM_SESSION_DBUS_ERROR_CANCEL, "Operation cancelled"); conversation->pending_invocation = NULL; } static void answer_pending_query (GdmSessionConversation *conversation, const char *answer) { g_dbus_method_invocation_return_value (conversation->pending_invocation, g_variant_new ("(s)", answer)); conversation->pending_invocation = NULL; } static void set_pending_query (GdmSessionConversation *conversation, GDBusMethodInvocation *message) { g_assert (conversation->pending_invocation == NULL); conversation->pending_invocation = g_object_ref (message); } static gboolean gdm_session_handle_info_query (GdmDBusWorkerManager *worker_manager_interface, GDBusMethodInvocation *invocation, const char *service_name, const char *query, GdmSession *self) { GdmSessionConversation *conversation; g_return_val_if_fail (self->priv->user_verifier_interface != NULL, FALSE); conversation = find_conversation_by_name (self, service_name); if (conversation != NULL) { set_pending_query (conversation, invocation); gdm_dbus_user_verifier_emit_info_query (self->priv->user_verifier_interface, service_name, query); } return TRUE; } static gboolean gdm_session_handle_secret_info_query (GdmDBusWorkerManager *worker_manager_interface, GDBusMethodInvocation *invocation, const char *service_name, const char *query, GdmSession *self) { GdmSessionConversation *conversation; g_return_val_if_fail (self->priv->user_verifier_interface != NULL, FALSE); conversation = find_conversation_by_name (self, service_name); if (conversation != NULL) { set_pending_query (conversation, invocation); gdm_dbus_user_verifier_emit_secret_info_query (self->priv->user_verifier_interface, service_name, query); } return TRUE; } static gboolean gdm_session_handle_info (GdmDBusWorkerManager *worker_manager_interface, GDBusMethodInvocation *invocation, const char *service_name, const char *info, GdmSession *self) { gdm_dbus_worker_manager_complete_info (worker_manager_interface, invocation); if (self->priv->user_verifier_interface != NULL) { gdm_dbus_user_verifier_emit_info (self->priv->user_verifier_interface, service_name, info); } return TRUE; } static void worker_on_cancel_pending_query (GdmDBusWorker *worker, GdmSessionConversation *conversation) { cancel_pending_query (conversation); } static gboolean gdm_session_handle_problem (GdmDBusWorkerManager *worker_manager_interface, GDBusMethodInvocation *invocation, const char *service_name, const char *problem, GdmSession *self) { gdm_dbus_worker_manager_complete_problem (worker_manager_interface, invocation); if (self->priv->user_verifier_interface != NULL) { gdm_dbus_user_verifier_emit_problem (self->priv->user_verifier_interface, service_name, problem); } return TRUE; } static void on_opened (GdmDBusWorker *worker, GAsyncResult *res, gpointer user_data) { GdmSessionConversation *conversation = user_data; GdmSession *self; char *service_name; GError *error = NULL; gboolean worked; char *session_id; worked = gdm_dbus_worker_call_open_finish (worker, &session_id, res, &error); if (g_error_matches (error, G_IO_ERROR, G_IO_ERROR_CLOSED) || g_error_matches (error, G_IO_ERROR, G_IO_ERROR_CANCELLED)) return; self = conversation->session; service_name = conversation->service_name; if (worked) { g_clear_pointer (&conversation->session_id, (GDestroyNotify) g_free); conversation->session_id = g_strdup (session_id); if (self->priv->greeter_interface != NULL) { gdm_dbus_greeter_emit_session_opened (self->priv->greeter_interface, service_name); } if (self->priv->user_verifier_interface != NULL) { gdm_dbus_user_verifier_emit_verification_complete (self->priv->user_verifier_interface, service_name); g_signal_emit (self, signals[VERIFICATION_COMPLETE], 0, service_name); } g_debug ("GdmSession: Emitting 'session-opened' signal"); g_signal_emit (self, signals[SESSION_OPENED], 0, service_name, session_id); } else { report_and_stop_conversation (self, service_name, error); g_debug ("GdmSession: Emitting 'session-start-failed' signal"); g_signal_emit (self, signals[SESSION_START_FAILED], 0, service_name, error->message); } } static void worker_on_username_changed (GdmDBusWorker *worker, const char *username, GdmSessionConversation *conversation) { GdmSession *self = conversation->session; g_debug ("GdmSession: changing username from '%s' to '%s'", self->priv->selected_user != NULL ? self->priv->selected_user : "", (strlen (username)) ? username : ""); gdm_session_select_user (self, (strlen (username) > 0) ? g_strdup (username) : NULL); gdm_session_defaults_changed (self); } static void worker_on_session_exited (GdmDBusWorker *worker, const char *service_name, int status, GdmSessionConversation *conversation) { GdmSession *self = conversation->session; self->priv->session_conversation = NULL; if (WIFEXITED (status)) { g_debug ("GdmSession: Emitting 'session-exited' signal with exit code '%d'", WEXITSTATUS (status)); g_signal_emit (self, signals[SESSION_EXITED], 0, WEXITSTATUS (status)); } else if (WIFSIGNALED (status)) { g_debug ("GdmSession: Emitting 'session-died' signal with signal number '%d'", WTERMSIG (status)); g_signal_emit (self, signals[SESSION_DIED], 0, WTERMSIG (status)); } } static void on_reauthentication_started_cb (GdmDBusWorker *worker, GAsyncResult *res, gpointer user_data) { GdmSessionConversation *conversation = user_data; GdmSession *self; GError *error = NULL; gboolean worked; char *address; worked = gdm_dbus_worker_call_start_reauthentication_finish (worker, &address, res, &error); if (g_error_matches (error, G_IO_ERROR, G_IO_ERROR_CLOSED) || g_error_matches (error, G_IO_ERROR, G_IO_ERROR_CANCELLED)) return; self = conversation->session; if (worked) { GPid pid_of_caller = conversation->reauth_pid_of_caller; g_debug ("GdmSession: Emitting 'reauthentication-started' signal for caller pid '%d'", pid_of_caller); g_signal_emit (self, signals[REAUTHENTICATION_STARTED], 0, pid_of_caller, address); } conversation->reauth_pid_of_caller = 0; } static void worker_on_reauthenticated (GdmDBusWorker *worker, const char *service_name, GdmSessionConversation *conversation) { GdmSession *self = conversation->session; g_debug ("GdmSession: Emitting 'reauthenticated' signal "); g_signal_emit (self, signals[REAUTHENTICATED], 0, service_name); } static void worker_on_saved_language_name_read (GdmDBusWorker *worker, const char *language_name, GdmSessionConversation *conversation) { GdmSession *self = conversation->session; if (strcmp (language_name, get_default_language_name (self)) != 0) { g_free (self->priv->saved_language); self->priv->saved_language = g_strdup (language_name); if (self->priv->greeter_interface != NULL) { gdm_dbus_greeter_emit_default_language_name_changed (self->priv->greeter_interface, language_name); } } } static void worker_on_saved_session_name_read (GdmDBusWorker *worker, const char *session_name, GdmSessionConversation *conversation) { GdmSession *self = conversation->session; if (! get_session_command_for_name (session_name, NULL)) { /* ignore sessions that don't exist */ g_debug ("GdmSession: not using invalid .dmrc session: %s", session_name); g_free (self->priv->saved_session); self->priv->saved_session = NULL; return; } if (strcmp (session_name, get_default_session_name (self)) != 0) { g_free (self->priv->saved_session); self->priv->saved_session = g_strdup (session_name); if (self->priv->greeter_interface != NULL) { gdm_dbus_greeter_emit_default_session_name_changed (self->priv->greeter_interface, session_name); } } } static GdmSessionConversation * find_conversation_by_pid (GdmSession *self, GPid pid) { GHashTableIter iter; gpointer key, value; g_hash_table_iter_init (&iter, self->priv->conversations); while (g_hash_table_iter_next (&iter, &key, &value)) { GdmSessionConversation *conversation; conversation = (GdmSessionConversation *) value; if (conversation->worker_pid == pid) { return conversation; } } return NULL; } static gboolean allow_worker_function (GDBusAuthObserver *observer, GIOStream *stream, GCredentials *credentials, GdmSession *self) { uid_t connecting_user; connecting_user = g_credentials_get_unix_user (credentials, NULL); if (connecting_user == 0) { return TRUE; } if (connecting_user == self->priv->allowed_user) { return TRUE; } g_debug ("GdmSession: User not allowed"); return FALSE; } static GPid credentials_get_unix_pid (GCredentials *credentials) { GPid pid = 0; gpointer native_credentials = NULL; #ifdef __linux__ native_credentials = g_credentials_get_native (credentials, G_CREDENTIALS_TYPE_LINUX_UCRED); pid = (GPid) ((struct ucred *) native_credentials)->pid; #elif defined (__FreeBSD__) native_credentials = g_credentials_get_native (credentials, G_CREDENTIALS_TYPE_OPENBSD_SOCKPEERCRED); pid = (GPid) ((struct cmsgcred *) native_credentials)->cmcred_pid; #elif defined (__OpenBSD__) native_credentials = g_credentials_get_native (credentials, G_CREDENTIALS_TYPE_OPENBSD_SOCKPEERCRED); pid = (GPid) ((struct sockpeercred *) native_credentials)->pid; #else #error "platform not supported, need mechanism to detect pid of connected process" #endif return pid; } static gboolean register_worker (GdmDBusWorkerManager *worker_manager_interface, GDBusMethodInvocation *invocation, GdmSession *self) { GdmSessionConversation *conversation; GDBusConnection *connection; GList *connection_node; GCredentials *credentials; GPid pid; g_debug ("GdmSession: Authenticating new connection"); connection = g_dbus_method_invocation_get_connection (invocation); connection_node = g_list_find (self->priv->pending_worker_connections, connection); if (connection_node == NULL) { g_debug ("GdmSession: Ignoring connection that we aren't tracking"); return FALSE; } /* connection was ref'd when it was added to list, we're taking that * reference over and removing it from the list */ self->priv->pending_worker_connections = g_list_delete_link (self->priv->pending_worker_connections, connection_node); credentials = g_dbus_connection_get_peer_credentials (connection); pid = credentials_get_unix_pid (credentials); conversation = find_conversation_by_pid (self, (GPid) pid); if (conversation == NULL) { g_warning ("GdmSession: New worker connection is from unknown source"); g_dbus_method_invocation_return_error (invocation, G_DBUS_ERROR, G_DBUS_ERROR_ACCESS_DENIED, "Connection is not from a known conversation"); g_dbus_connection_close_sync (connection, NULL, NULL); return TRUE; } g_dbus_method_invocation_return_value (invocation, NULL); conversation->worker_connection = connection; conversation->worker_proxy = gdm_dbus_worker_proxy_new_sync (connection, G_DBUS_PROXY_FLAGS_NONE, NULL, GDM_WORKER_DBUS_PATH, NULL, NULL); g_dbus_proxy_set_default_timeout (G_DBUS_PROXY (conversation->worker_proxy), G_MAXINT); g_signal_connect (conversation->worker_proxy, "username-changed", G_CALLBACK (worker_on_username_changed), conversation); g_signal_connect (conversation->worker_proxy, "session-exited", G_CALLBACK (worker_on_session_exited), conversation); g_signal_connect (conversation->worker_proxy, "reauthenticated", G_CALLBACK (worker_on_reauthenticated), conversation); g_signal_connect (conversation->worker_proxy, "saved-language-name-read", G_CALLBACK (worker_on_saved_language_name_read), conversation); g_signal_connect (conversation->worker_proxy, "saved-session-name-read", G_CALLBACK (worker_on_saved_session_name_read), conversation); g_signal_connect (conversation->worker_proxy, "cancel-pending-query", G_CALLBACK (worker_on_cancel_pending_query), conversation); conversation->worker_manager_interface = g_object_ref (worker_manager_interface); g_debug ("GdmSession: worker connection is %p", connection); g_debug ("GdmSession: Emitting conversation-started signal"); g_signal_emit (self, signals[CONVERSATION_STARTED], 0, conversation->service_name); if (self->priv->user_verifier_interface != NULL) { gdm_dbus_user_verifier_emit_conversation_started (self->priv->user_verifier_interface, conversation->service_name); } if (conversation->starting_invocation != NULL) { if (conversation->starting_username != NULL) { gdm_session_setup_for_user (self, conversation->service_name, conversation->starting_username); g_clear_pointer (&conversation->starting_username, (GDestroyNotify) g_free); } else { gdm_session_setup (self, conversation->service_name); } } g_debug ("GdmSession: Conversation started"); return TRUE; } static void export_worker_manager_interface (GdmSession *self, GDBusConnection *connection) { GdmDBusWorkerManager *worker_manager_interface; worker_manager_interface = GDM_DBUS_WORKER_MANAGER (gdm_dbus_worker_manager_skeleton_new ()); g_signal_connect (worker_manager_interface, "handle-hello", G_CALLBACK (register_worker), self); g_signal_connect (worker_manager_interface, "handle-info-query", G_CALLBACK (gdm_session_handle_info_query), self); g_signal_connect (worker_manager_interface, "handle-secret-info-query", G_CALLBACK (gdm_session_handle_secret_info_query), self); g_signal_connect (worker_manager_interface, "handle-info", G_CALLBACK (gdm_session_handle_info), self); g_signal_connect (worker_manager_interface, "handle-problem", G_CALLBACK (gdm_session_handle_problem), self); g_dbus_interface_skeleton_export (G_DBUS_INTERFACE_SKELETON (worker_manager_interface), connection, GDM_SESSION_DBUS_OBJECT_PATH, NULL); } static void on_worker_connection_closed (GDBusConnection *connection, gboolean remote_peer_vanished, GError *error, GdmSession *self) { self->priv->pending_worker_connections = g_list_remove (self->priv->pending_worker_connections, connection); g_object_unref (connection); } static gboolean handle_connection_from_worker (GDBusServer *server, GDBusConnection *connection, GdmSession *self) { g_debug ("GdmSession: Handling new connection from worker"); /* add to the list of pending connections. We won't be able to * associate it with a specific worker conversation until we have * authenticated the connection (from the Hello handler). */ self->priv->pending_worker_connections = g_list_prepend (self->priv->pending_worker_connections, g_object_ref (connection)); g_signal_connect_object (connection, "closed", G_CALLBACK (on_worker_connection_closed), self, 0); export_worker_manager_interface (self, connection); return TRUE; } static GdmSessionConversation * begin_verification_conversation (GdmSession *self, GDBusMethodInvocation *invocation, const char *service_name) { GdmSessionConversation *conversation; gdm_session_start_conversation (self, service_name); conversation = find_conversation_by_name (self, service_name); if (conversation == NULL) { g_dbus_method_invocation_return_error (invocation, G_DBUS_ERROR, G_DBUS_ERROR_SPAWN_FAILED, _("Could not create authentication helper process")); } return conversation; } static gboolean gdm_session_handle_client_begin_verification (GdmDBusUserVerifier *user_verifier_interface, GDBusMethodInvocation *invocation, const char *service_name, GdmSession *self) { GdmSessionConversation *conversation; conversation = begin_verification_conversation (self, invocation, service_name); if (conversation != NULL) { conversation->starting_invocation = g_object_ref (invocation); conversation->starting_username = NULL; } return TRUE; } static gboolean gdm_session_handle_client_begin_verification_for_user (GdmDBusUserVerifier *user_verifier_interface, GDBusMethodInvocation *invocation, const char *service_name, const char *username, GdmSession *self) { GdmSessionConversation *conversation; conversation = begin_verification_conversation (self, invocation, service_name); if (conversation != NULL) { conversation->starting_invocation = g_object_ref (invocation); conversation->starting_username = g_strdup (username); } return TRUE; } static gboolean gdm_session_handle_client_answer_query (GdmDBusUserVerifier *user_verifier_interface, GDBusMethodInvocation *invocation, const char *service_name, const char *answer, GdmSession *self) { gdm_dbus_user_verifier_complete_answer_query (user_verifier_interface, invocation); gdm_session_answer_query (self, service_name, answer); return TRUE; } static gboolean gdm_session_handle_client_cancel (GdmDBusUserVerifier *user_verifier_interface, GDBusMethodInvocation *invocation, GdmSession *self) { gdm_dbus_user_verifier_complete_cancel (user_verifier_interface, invocation); gdm_session_cancel (self); return TRUE; } static gboolean gdm_session_handle_client_select_session (GdmDBusGreeter *greeter_interface, GDBusMethodInvocation *invocation, const char *session, GdmSession *self) { if (self->priv->greeter_interface != NULL) { gdm_dbus_greeter_complete_select_session (greeter_interface, invocation); } gdm_session_select_session (self, session); return TRUE; } static gboolean gdm_session_handle_client_select_language (GdmDBusGreeter *greeter_interface, GDBusMethodInvocation *invocation, const char *language, GdmSession *self) { if (self->priv->greeter_interface != NULL) { gdm_dbus_greeter_complete_select_language (greeter_interface, invocation); } gdm_session_select_language (self, language); return TRUE; } static gboolean gdm_session_handle_client_select_user (GdmDBusGreeter *greeter_interface, GDBusMethodInvocation *invocation, const char *username, GdmSession *self) { if (self->priv->greeter_interface != NULL) { gdm_dbus_greeter_complete_select_user (greeter_interface, invocation); } gdm_session_select_user (self, username); return TRUE; } static gboolean gdm_session_handle_client_start_session_when_ready (GdmDBusGreeter *greeter_interface, GDBusMethodInvocation *invocation, const char *service_name, gboolean client_is_ready, GdmSession *self) { if (self->priv->greeter_interface != NULL) { gdm_dbus_greeter_complete_start_session_when_ready (greeter_interface, invocation); } g_signal_emit (G_OBJECT (self), signals [CLIENT_READY_FOR_SESSION_TO_START], 0, service_name, client_is_ready); return TRUE; } static gboolean gdm_session_handle_client_begin_auto_login (GdmDBusGreeter *greeter_interface, GDBusMethodInvocation *invocation, const char *username, GdmSession *self) { if (self->priv->greeter_interface != NULL) { gdm_dbus_greeter_complete_begin_auto_login (greeter_interface, invocation); } g_debug ("GdmSession: begin auto login for user '%s'", username); gdm_session_setup_for_user (self, "gdm-autologin", username); return TRUE; } static void export_user_verifier_interface (GdmSession *self, GDBusConnection *connection) { GdmDBusUserVerifier *user_verifier_interface; user_verifier_interface = GDM_DBUS_USER_VERIFIER (gdm_dbus_user_verifier_skeleton_new ()); g_signal_connect (user_verifier_interface, "handle-begin-verification", G_CALLBACK (gdm_session_handle_client_begin_verification), self); g_signal_connect (user_verifier_interface, "handle-begin-verification-for-user", G_CALLBACK (gdm_session_handle_client_begin_verification_for_user), self); g_signal_connect (user_verifier_interface, "handle-answer-query", G_CALLBACK (gdm_session_handle_client_answer_query), self); g_signal_connect (user_verifier_interface, "handle-cancel", G_CALLBACK (gdm_session_handle_client_cancel), self); g_dbus_interface_skeleton_export (G_DBUS_INTERFACE_SKELETON (user_verifier_interface), connection, GDM_SESSION_DBUS_OBJECT_PATH, NULL); self->priv->user_verifier_interface = user_verifier_interface; } static void export_greeter_interface (GdmSession *self, GDBusConnection *connection) { GdmDBusGreeter *greeter_interface; greeter_interface = GDM_DBUS_GREETER (gdm_dbus_greeter_skeleton_new ()); g_signal_connect (greeter_interface, "handle-begin-auto-login", G_CALLBACK (gdm_session_handle_client_begin_auto_login), self); g_signal_connect (greeter_interface, "handle-select-session", G_CALLBACK (gdm_session_handle_client_select_session), self); g_signal_connect (greeter_interface, "handle-select-language", G_CALLBACK (gdm_session_handle_client_select_language), self); g_signal_connect (greeter_interface, "handle-select-user", G_CALLBACK (gdm_session_handle_client_select_user), self); g_signal_connect (greeter_interface, "handle-start-session-when-ready", G_CALLBACK (gdm_session_handle_client_start_session_when_ready), self); g_dbus_interface_skeleton_export (G_DBUS_INTERFACE_SKELETON (greeter_interface), connection, GDM_SESSION_DBUS_OBJECT_PATH, NULL); self->priv->greeter_interface = greeter_interface; } static gboolean gdm_session_handle_client_disconnect (GdmDBusChooser *chooser_interface, GDBusMethodInvocation *invocation, GdmSession *self) { gdm_dbus_chooser_complete_disconnect (chooser_interface, invocation); g_signal_emit (self, signals[DISCONNECTED], 0); return TRUE; } static void export_remote_greeter_interface (GdmSession *self, GDBusConnection *connection) { GdmDBusRemoteGreeter *remote_greeter_interface; remote_greeter_interface = GDM_DBUS_REMOTE_GREETER (gdm_dbus_remote_greeter_skeleton_new ()); g_signal_connect (remote_greeter_interface, "handle-disconnect", G_CALLBACK (gdm_session_handle_client_disconnect), self); g_dbus_interface_skeleton_export (G_DBUS_INTERFACE_SKELETON (remote_greeter_interface), connection, GDM_SESSION_DBUS_OBJECT_PATH, NULL); self->priv->remote_greeter_interface = remote_greeter_interface; } static gboolean gdm_session_handle_client_select_hostname (GdmDBusChooser *chooser_interface, GDBusMethodInvocation *invocation, const char *hostname, GdmSession *self) { gdm_dbus_chooser_complete_select_hostname (chooser_interface, invocation); g_signal_emit (self, signals[HOSTNAME_SELECTED], 0, hostname); return TRUE; } static void export_chooser_interface (GdmSession *self, GDBusConnection *connection) { GdmDBusChooser *chooser_interface; chooser_interface = GDM_DBUS_CHOOSER (gdm_dbus_chooser_skeleton_new ()); g_signal_connect (chooser_interface, "handle-select-hostname", G_CALLBACK (gdm_session_handle_client_select_hostname), self); g_dbus_interface_skeleton_export (G_DBUS_INTERFACE_SKELETON (chooser_interface), connection, GDM_SESSION_DBUS_OBJECT_PATH, NULL); self->priv->chooser_interface = chooser_interface; } static void on_outside_connection_closed (GDBusConnection *connection, gboolean remote_peer_vanished, GError *error, GdmSession *self) { GCredentials *credentials; GPid pid_of_client; g_debug ("GdmSession: external connection closed"); self->priv->outside_connections = g_list_remove (self->priv->outside_connections, connection); credentials = g_dbus_connection_get_peer_credentials (connection); pid_of_client = credentials_get_unix_pid (credentials); g_signal_emit (G_OBJECT (self), signals [CLIENT_DISCONNECTED], 0, credentials, (guint) pid_of_client); g_object_unref (connection); } static gboolean handle_connection_from_outside (GDBusServer *server, GDBusConnection *connection, GdmSession *self) { GCredentials *credentials; GPid pid_of_client; g_debug ("GdmSession: Handling new connection from outside"); self->priv->outside_connections = g_list_prepend (self->priv->outside_connections, g_object_ref (connection)); g_signal_connect_object (connection, "closed", G_CALLBACK (on_outside_connection_closed), self, 0); export_user_verifier_interface (self, connection); switch (self->priv->verification_mode) { case GDM_SESSION_VERIFICATION_MODE_LOGIN: export_greeter_interface (self, connection); break; case GDM_SESSION_VERIFICATION_MODE_CHOOSER: export_chooser_interface (self, connection); break; default: break; } if (!self->priv->display_is_local) { export_remote_greeter_interface (self, connection); } credentials = g_dbus_connection_get_peer_credentials (connection); pid_of_client = credentials_get_unix_pid (credentials); g_signal_emit (G_OBJECT (self), signals [CLIENT_CONNECTED], 0, credentials, (guint) pid_of_client); return TRUE; } static void setup_worker_server (GdmSession *self) { GDBusAuthObserver *observer; GDBusServer *server; GError *error = NULL; g_debug ("GdmSession: Creating D-Bus server for worker for session"); observer = g_dbus_auth_observer_new (); g_signal_connect (observer, "authorize-authenticated-peer", G_CALLBACK (allow_worker_function), self); server = gdm_dbus_setup_private_server (observer, &error); g_object_unref (observer); if (server == NULL) { g_warning ("Cannot create worker D-Bus server for the session: %s", error->message); return; } g_signal_connect (server, "new-connection", G_CALLBACK (handle_connection_from_worker), self); self->priv->worker_server = server; g_dbus_server_start (server); g_debug ("GdmSession: D-Bus server for workers listening on %s", g_dbus_server_get_client_address (self->priv->worker_server)); } static gboolean allow_user_function (GDBusAuthObserver *observer, GIOStream *stream, GCredentials *credentials, GdmSession *self) { uid_t client_uid; client_uid = g_credentials_get_unix_user (credentials, NULL); if (client_uid == self->priv->allowed_user) { return TRUE; } g_debug ("GdmSession: User not allowed"); return FALSE; } static void setup_outside_server (GdmSession *self) { GDBusAuthObserver *observer; GDBusServer *server; GError *error = NULL; g_debug ("GdmSession: Creating D-Bus server for greeters and such"); observer = g_dbus_auth_observer_new (); g_signal_connect (observer, "authorize-authenticated-peer", G_CALLBACK (allow_user_function), self); server = gdm_dbus_setup_private_server (observer, &error); g_object_unref (observer); if (server == NULL) { g_warning ("Cannot create greeter D-Bus server for the session: %s", error->message); return; } g_signal_connect (server, "new-connection", G_CALLBACK (handle_connection_from_outside), self); self->priv->outside_server = server; g_dbus_server_start (server); g_debug ("GdmSession: D-Bus server for greeters listening on %s", g_dbus_server_get_client_address (self->priv->outside_server)); } static void free_conversation (GdmSessionConversation *conversation) { if (conversation->job != NULL) { g_warning ("Freeing conversation '%s' with active job", conversation->service_name); } g_free (conversation->service_name); g_free (conversation->starting_username); g_free (conversation->session_id); g_clear_object (&conversation->session); g_free (conversation); } static void gdm_session_init (GdmSession *self) { self->priv = G_TYPE_INSTANCE_GET_PRIVATE (self, GDM_TYPE_SESSION, GdmSessionPrivate); g_signal_connect (self, "session-started", G_CALLBACK (on_session_started), NULL); g_signal_connect (self, "session-start-failed", G_CALLBACK (on_session_start_failed), NULL); g_signal_connect (self, "session-exited", G_CALLBACK (on_session_exited), NULL); self->priv->conversations = g_hash_table_new_full (g_str_hash, g_str_equal, (GDestroyNotify) g_free, (GDestroyNotify) free_conversation); self->priv->environment = g_hash_table_new_full (g_str_hash, g_str_equal, (GDestroyNotify) g_free, (GDestroyNotify) g_free); setup_worker_server (self); setup_outside_server (self); } static void worker_started (GdmSessionWorkerJob *job, GdmSessionConversation *conversation) { g_debug ("GdmSession: Worker job started"); } static void worker_exited (GdmSessionWorkerJob *job, int code, GdmSessionConversation *conversation) { GdmSession *self = conversation->session; g_debug ("GdmSession: Worker job exited: %d", code); g_hash_table_steal (self->priv->conversations, conversation->service_name); g_object_ref (conversation->job); if (self->priv->session_conversation == conversation) { g_signal_emit (self, signals[SESSION_EXITED], 0, code); self->priv->session_conversation = NULL; } g_debug ("GdmSession: Emitting conversation-stopped signal"); g_signal_emit (self, signals[CONVERSATION_STOPPED], 0, conversation->service_name); if (self->priv->user_verifier_interface != NULL) { gdm_dbus_user_verifier_emit_conversation_stopped (self->priv->user_verifier_interface, conversation->service_name); } g_object_unref (conversation->job); if (conversation->is_stopping) { g_object_unref (conversation->job); conversation->job = NULL; } free_conversation (conversation); } static void worker_died (GdmSessionWorkerJob *job, int signum, GdmSessionConversation *conversation) { GdmSession *self = conversation->session; g_debug ("GdmSession: Worker job died: %d", signum); g_hash_table_steal (self->priv->conversations, conversation->service_name); g_object_ref (conversation->job); if (self->priv->session_conversation == conversation) { g_signal_emit (self, signals[SESSION_DIED], 0, signum); self->priv->session_conversation = NULL; } g_debug ("GdmSession: Emitting conversation-stopped signal"); g_signal_emit (self, signals[CONVERSATION_STOPPED], 0, conversation->service_name); if (self->priv->user_verifier_interface != NULL) { gdm_dbus_user_verifier_emit_conversation_stopped (self->priv->user_verifier_interface, conversation->service_name); } g_object_unref (conversation->job); if (conversation->is_stopping) { g_object_unref (conversation->job); conversation->job = NULL; } free_conversation (conversation); } static GdmSessionConversation * start_conversation (GdmSession *self, const char *service_name) { GdmSessionConversation *conversation; char *job_name; conversation = g_new0 (GdmSessionConversation, 1); conversation->session = g_object_ref (self); conversation->service_name = g_strdup (service_name); conversation->worker_pid = -1; conversation->job = gdm_session_worker_job_new (); gdm_session_worker_job_set_server_address (conversation->job, g_dbus_server_get_client_address (self->priv->worker_server)); if (self->priv->conversation_environment != NULL) { gdm_session_worker_job_set_environment (conversation->job, (const char * const *) self->priv->conversation_environment); } g_signal_connect (conversation->job, "started", G_CALLBACK (worker_started), conversation); g_signal_connect (conversation->job, "exited", G_CALLBACK (worker_exited), conversation); g_signal_connect (conversation->job, "died", G_CALLBACK (worker_died), conversation); job_name = g_strdup_printf ("gdm-session-worker [pam/%s]", service_name); if (!gdm_session_worker_job_start (conversation->job, job_name)) { g_object_unref (conversation->job); g_free (conversation->service_name); g_free (conversation); g_free (job_name); return NULL; } g_free (job_name); conversation->worker_pid = gdm_session_worker_job_get_pid (conversation->job); return conversation; } static void stop_conversation (GdmSessionConversation *conversation) { if (conversation->worker_connection != NULL) { g_dbus_connection_close_sync (conversation->worker_connection, NULL, NULL); g_clear_object (&conversation->worker_connection); } conversation->is_stopping = TRUE; gdm_session_worker_job_stop (conversation->job); } static void stop_conversation_now (GdmSessionConversation *conversation) { g_clear_object (&conversation->worker_manager_interface); if (conversation->worker_connection != NULL) { g_dbus_connection_close_sync (conversation->worker_connection, NULL, NULL); g_clear_object (&conversation->worker_connection); } gdm_session_worker_job_stop_now (conversation->job); g_clear_object (&conversation->job); } void gdm_session_start_conversation (GdmSession *self, const char *service_name) { GdmSessionConversation *conversation; g_return_if_fail (GDM_IS_SESSION (self)); conversation = g_hash_table_lookup (self->priv->conversations, service_name); if (conversation != NULL) { if (!conversation->is_stopping) { g_warning ("GdmSession: conversation %s started more than once", service_name); return; } g_debug ("GdmSession: stopping old conversation %s", service_name); gdm_session_worker_job_stop_now (conversation->job); g_object_unref (conversation->job); conversation->job = NULL; } g_debug ("GdmSession: starting conversation %s", service_name); conversation = start_conversation (self, service_name); g_hash_table_insert (self->priv->conversations, g_strdup (service_name), conversation); } void gdm_session_stop_conversation (GdmSession *self, const char *service_name) { GdmSessionConversation *conversation; g_return_if_fail (GDM_IS_SESSION (self)); g_debug ("GdmSession: stopping conversation %s", service_name); conversation = find_conversation_by_name (self, service_name); if (conversation != NULL) { stop_conversation (conversation); } } static void on_setup_complete_cb (GdmDBusWorker *proxy, GAsyncResult *res, gpointer user_data) { GdmSessionConversation *conversation = user_data; GdmSession *self; char *service_name; GError *error = NULL; GVariant *ret; ret = g_dbus_proxy_call_finish (G_DBUS_PROXY (proxy), res, &error); if (g_error_matches (error, G_IO_ERROR, G_IO_ERROR_CLOSED) || g_error_matches (error, G_IO_ERROR, G_IO_ERROR_CANCELLED)) return; self = conversation->session; service_name = conversation->service_name; if (ret != NULL) { if (conversation->starting_invocation) { g_dbus_method_invocation_return_value (conversation->starting_invocation, NULL); } g_signal_emit (G_OBJECT (self), signals [SETUP_COMPLETE], 0, service_name); gdm_session_authenticate (self, service_name); } else { g_dbus_method_invocation_take_error (conversation->starting_invocation, error); report_and_stop_conversation (self, service_name, error); } g_variant_unref (ret); g_clear_object (&conversation->starting_invocation); } static void send_setup (GdmSession *self, const char *service_name) { const char *display_name; const char *display_device; const char *display_seat_id; const char *display_hostname; const char *display_x11_authority_file; GdmSessionConversation *conversation; g_assert (service_name != NULL); if (self->priv->display_name != NULL) { display_name = self->priv->display_name; } else { display_name = ""; } if (self->priv->display_hostname != NULL) { display_hostname = self->priv->display_hostname; } else { display_hostname = ""; } if (self->priv->display_device != NULL) { display_device = self->priv->display_device; } else { display_device = ""; } if (self->priv->display_seat_id != NULL) { display_seat_id = self->priv->display_seat_id; } else { display_seat_id = ""; } if (self->priv->display_x11_authority_file != NULL) { display_x11_authority_file = self->priv->display_x11_authority_file; } else { display_x11_authority_file = ""; } g_debug ("GdmSession: Beginning setup"); conversation = find_conversation_by_name (self, service_name); if (conversation != NULL) { gdm_dbus_worker_call_setup (conversation->worker_proxy, service_name, display_name, display_x11_authority_file, display_device, display_seat_id, display_hostname, self->priv->display_is_local, NULL, (GAsyncReadyCallback) on_setup_complete_cb, conversation); } } static void send_setup_for_user (GdmSession *self, const char *service_name) { const char *display_name; const char *display_device; const char *display_seat_id; const char *display_hostname; const char *display_x11_authority_file; const char *selected_user; GdmSessionConversation *conversation; g_assert (service_name != NULL); conversation = find_conversation_by_name (self, service_name); if (self->priv->display_name != NULL) { display_name = self->priv->display_name; } else { display_name = ""; } if (self->priv->display_hostname != NULL) { display_hostname = self->priv->display_hostname; } else { display_hostname = ""; } if (self->priv->display_device != NULL) { display_device = self->priv->display_device; } else { display_device = ""; } if (self->priv->display_seat_id != NULL) { display_seat_id = self->priv->display_seat_id; } else { display_seat_id = ""; } if (self->priv->display_x11_authority_file != NULL) { display_x11_authority_file = self->priv->display_x11_authority_file; } else { display_x11_authority_file = ""; } if (self->priv->selected_user != NULL) { selected_user = self->priv->selected_user; } else { selected_user = ""; } g_debug ("GdmSession: Beginning setup for user %s", self->priv->selected_user); if (conversation != NULL) { gdm_dbus_worker_call_setup_for_user (conversation->worker_proxy, service_name, selected_user, display_name, display_x11_authority_file, display_device, display_seat_id, display_hostname, self->priv->display_is_local, NULL, (GAsyncReadyCallback) on_setup_complete_cb, conversation); } } static void send_setup_for_program (GdmSession *self, const char *service_name, const char *username, const char *log_file) { const char *display_name; const char *display_device; const char *display_seat_id; const char *display_hostname; const char *display_x11_authority_file; GdmSessionConversation *conversation; g_assert (service_name != NULL); if (self->priv->display_name != NULL) { display_name = self->priv->display_name; } else { display_name = ""; } if (self->priv->display_hostname != NULL) { display_hostname = self->priv->display_hostname; } else { display_hostname = ""; } if (self->priv->display_device != NULL) { display_device = self->priv->display_device; } else { display_device = ""; } if (self->priv->display_seat_id != NULL) { display_seat_id = self->priv->display_seat_id; } else { display_seat_id = ""; } if (self->priv->display_x11_authority_file != NULL) { display_x11_authority_file = self->priv->display_x11_authority_file; } else { display_x11_authority_file = ""; } g_debug ("GdmSession: Beginning setup for session for program with log '%s', using PAM service %s", log_file, service_name); conversation = find_conversation_by_name (self, service_name); if (conversation != NULL) { gdm_dbus_worker_call_setup_for_program (conversation->worker_proxy, service_name, username, display_name, display_x11_authority_file, display_device, display_seat_id, display_hostname, self->priv->display_is_local, log_file, NULL, (GAsyncReadyCallback) on_setup_complete_cb, conversation); } } void gdm_session_setup (GdmSession *self, const char *service_name) { g_return_if_fail (GDM_IS_SESSION (self)); send_setup (self, service_name); gdm_session_defaults_changed (self); } void gdm_session_setup_for_user (GdmSession *self, const char *service_name, const char *username) { g_return_if_fail (GDM_IS_SESSION (self)); g_return_if_fail (username != NULL); gdm_session_select_user (self, username); send_setup_for_user (self, service_name); gdm_session_defaults_changed (self); } void gdm_session_setup_for_program (GdmSession *self, const char *service_name, const char *username, const char *log_file) { g_return_if_fail (GDM_IS_SESSION (self)); send_setup_for_program (self, service_name, username, log_file); } void gdm_session_authenticate (GdmSession *self, const char *service_name) { GdmSessionConversation *conversation; g_return_if_fail (GDM_IS_SESSION (self)); conversation = find_conversation_by_name (self, service_name); if (conversation != NULL) { gdm_dbus_worker_call_authenticate (conversation->worker_proxy, NULL, (GAsyncReadyCallback) on_authenticate_cb, conversation); } } void gdm_session_authorize (GdmSession *self, const char *service_name) { GdmSessionConversation *conversation; g_return_if_fail (GDM_IS_SESSION (self)); conversation = find_conversation_by_name (self, service_name); if (conversation != NULL) { gdm_dbus_worker_call_authorize (conversation->worker_proxy, NULL, (GAsyncReadyCallback) on_authorize_cb, conversation); } } void gdm_session_accredit (GdmSession *self, const char *service_name) { GdmSessionConversation *conversation; g_return_if_fail (GDM_IS_SESSION (self)); conversation = find_conversation_by_name (self, service_name); if (conversation != NULL) { gdm_dbus_worker_call_establish_credentials (conversation->worker_proxy, NULL, (GAsyncReadyCallback) on_establish_credentials_cb, conversation); } } static void send_environment_variable (const char *key, const char *value, GdmSessionConversation *conversation) { gdm_dbus_worker_call_set_environment_variable (conversation->worker_proxy, key, value, NULL, NULL, NULL); } static void send_environment (GdmSession *self, GdmSessionConversation *conversation) { g_hash_table_foreach (self->priv->environment, (GHFunc) send_environment_variable, conversation); } void gdm_session_send_environment (GdmSession *self, const char *service_name) { GdmSessionConversation *conversation; g_return_if_fail (GDM_IS_SESSION (self)); conversation = find_conversation_by_name (self, service_name); if (conversation != NULL) { send_environment (self, conversation); } } static const char * get_language_name (GdmSession *self) { if (self->priv->selected_language != NULL) { return self->priv->selected_language; } return get_default_language_name (self); } static const char * get_session_name (GdmSession *self) { /* FIXME: test the session names before we use them? */ if (self->priv->selected_session != NULL) { return self->priv->selected_session; } return get_default_session_name (self); } static char * get_session_command (GdmSession *self) { gboolean res; char *command; const char *session_name; session_name = get_session_name (self); command = NULL; res = get_session_command_for_name (session_name, &command); if (! res) { g_critical ("Cannot find a command for specified session: %s", session_name); exit (1); } return command; } void gdm_session_set_environment_variable (GdmSession *self, const char *key, const char *value) { g_return_if_fail (key != NULL); g_return_if_fail (value != NULL); g_hash_table_replace (self->priv->environment, g_strdup (key), g_strdup (value)); } static void setup_session_environment (GdmSession *self) { const char *locale; gdm_session_set_environment_variable (self, "GDMSESSION", get_session_name (self)); gdm_session_set_environment_variable (self, "DESKTOP_SESSION", get_session_name (self)); locale = get_language_name (self); if (locale != NULL && locale[0] != '\0') { gdm_session_set_environment_variable (self, "LANG", locale); gdm_session_set_environment_variable (self, "GDM_LANG", locale); } gdm_session_set_environment_variable (self, "DISPLAY", self->priv->display_name); if (self->priv->user_x11_authority_file != NULL) { gdm_session_set_environment_variable (self, "XAUTHORITY", self->priv->user_x11_authority_file); } if (g_getenv ("WINDOWPATH") != NULL) { gdm_session_set_environment_variable (self, "WINDOWPATH", g_getenv ("WINDOWPATH")); } } void gdm_session_open_session (GdmSession *self, const char *service_name) { GdmSessionConversation *conversation; g_return_if_fail (GDM_IS_SESSION (self)); conversation = find_conversation_by_name (self, service_name); if (conversation != NULL) { gdm_dbus_worker_call_open (conversation->worker_proxy, NULL, (GAsyncReadyCallback) on_opened, conversation); } } static void stop_all_other_conversations (GdmSession *self, GdmSessionConversation *conversation_to_keep, gboolean now) { GHashTableIter iter; gpointer key, value; if (self->priv->conversations == NULL) { return; } if (conversation_to_keep == NULL) { g_debug ("GdmSession: Stopping all conversations"); } else { g_debug ("GdmSession: Stopping all conversations except for %s", conversation_to_keep->service_name); } g_hash_table_iter_init (&iter, self->priv->conversations); while (g_hash_table_iter_next (&iter, &key, &value)) { GdmSessionConversation *conversation; conversation = (GdmSessionConversation *) value; if (conversation == conversation_to_keep) { if (now) { g_hash_table_iter_steal (&iter); g_free (key); } } else { if (now) { stop_conversation_now (conversation); } else { stop_conversation (conversation); } } } if (now) { g_hash_table_remove_all (self->priv->conversations); if (conversation_to_keep != NULL) { g_hash_table_insert (self->priv->conversations, g_strdup (conversation_to_keep->service_name), conversation_to_keep); } if (self->priv->session_conversation != conversation_to_keep) { self->priv->session_conversation = NULL; } } } static void on_start_program_cb (GdmDBusWorker *worker, GAsyncResult *res, gpointer user_data) { GdmSessionConversation *conversation = user_data; GdmSession *self; char *service_name; GError *error = NULL; gboolean worked; GPid pid; worked = gdm_dbus_worker_call_start_program_finish (worker, &pid, res, &error); if (g_error_matches (error, G_IO_ERROR, G_IO_ERROR_CLOSED) || g_error_matches (error, G_IO_ERROR, G_IO_ERROR_CANCELLED)) return; self = conversation->session; service_name = conversation->service_name; if (worked) { self->priv->session_pid = pid; self->priv->session_conversation = conversation; g_debug ("GdmSession: Emitting 'session-started' signal with pid '%d'", pid); g_signal_emit (self, signals[SESSION_STARTED], 0, service_name, pid); } else { gdm_session_stop_conversation (self, service_name); g_debug ("GdmSession: Emitting 'session-start-failed' signal"); g_signal_emit (self, signals[SESSION_START_FAILED], 0, service_name, error->message); } } void gdm_session_start_session (GdmSession *self, const char *service_name) { GdmSessionConversation *conversation; char *command; char *program; g_return_if_fail (GDM_IS_SESSION (self)); g_return_if_fail (self->priv->session_conversation == NULL); conversation = find_conversation_by_name (self, service_name); if (conversation == NULL) { g_warning ("GdmSession: Tried to start session of " "nonexistent conversation %s", service_name); return; } stop_all_other_conversations (self, conversation, FALSE); if (self->priv->selected_program == NULL) { command = get_session_command (self); if (gdm_session_bypasses_xsession (self)) { program = g_strdup (command); } else { program = g_strdup_printf (GDMCONFDIR "/Xsession \"%s\"", command); } g_free (command); } else { program = g_strdup (self->priv->selected_program); } setup_session_environment (self); send_environment (self, conversation); gdm_dbus_worker_call_start_program (conversation->worker_proxy, program, NULL, (GAsyncReadyCallback) on_start_program_cb, conversation); g_free (program); } static void stop_all_conversations (GdmSession *self) { stop_all_other_conversations (self, NULL, TRUE); } void gdm_session_close (GdmSession *self) { g_return_if_fail (GDM_IS_SESSION (self)); g_debug ("GdmSession: Closing session"); if (self->priv->session_conversation != NULL) { gdm_session_record_logout (self->priv->session_pid, self->priv->selected_user, self->priv->display_hostname, self->priv->display_name, self->priv->display_device); } stop_all_conversations (self); g_list_free_full (self->priv->outside_connections, g_object_unref); self->priv->outside_connections = NULL; g_list_free_full (self->priv->pending_worker_connections, g_object_unref); self->priv->pending_worker_connections = NULL; g_free (self->priv->selected_user); self->priv->selected_user = NULL; g_free (self->priv->selected_session); self->priv->selected_session = NULL; g_free (self->priv->saved_session); self->priv->saved_session = NULL; g_free (self->priv->selected_language); self->priv->selected_language = NULL; g_free (self->priv->saved_language); self->priv->saved_language = NULL; g_free (self->priv->user_x11_authority_file); self->priv->user_x11_authority_file = NULL; g_hash_table_remove_all (self->priv->environment); self->priv->session_pid = -1; self->priv->session_conversation = NULL; } void gdm_session_answer_query (GdmSession *self, const char *service_name, const char *text) { GdmSessionConversation *conversation; g_return_if_fail (GDM_IS_SESSION (self)); conversation = find_conversation_by_name (self, service_name); if (conversation != NULL) { answer_pending_query (conversation, text); } } void gdm_session_cancel (GdmSession *self) { g_return_if_fail (GDM_IS_SESSION (self)); g_signal_emit (G_OBJECT (self), signals [CANCELLED], 0); } void gdm_session_reset (GdmSession *self) { if (self->priv->user_verifier_interface != NULL) { gdm_dbus_user_verifier_emit_reset (self->priv->user_verifier_interface); } gdm_session_close (self); } void gdm_session_request_timed_login (GdmSession *self, const char *username, int delay) { if (self->priv->greeter_interface != NULL) { gdm_dbus_greeter_emit_timed_login_requested (self->priv->greeter_interface, username, delay); } } gboolean gdm_session_client_is_connected (GdmSession *self) { g_return_val_if_fail (GDM_IS_SESSION (self), FALSE); return self->priv->outside_connections != NULL; } uid_t gdm_session_get_allowed_user (GdmSession *self) { return self->priv->allowed_user; } void gdm_session_start_reauthentication (GdmSession *session, GPid pid_of_caller, uid_t uid_of_caller) { GdmSessionConversation *conversation = session->priv->session_conversation; g_return_if_fail (conversation != NULL); conversation->reauth_pid_of_caller = pid_of_caller; gdm_dbus_worker_call_start_reauthentication (conversation->worker_proxy, (int) pid_of_caller, (int) uid_of_caller, NULL, (GAsyncReadyCallback) on_reauthentication_started_cb, conversation); } char * gdm_session_get_server_address (GdmSession *self) { g_return_val_if_fail (GDM_IS_SESSION (self), NULL); return g_strdup (g_dbus_server_get_client_address (self->priv->outside_server)); } char * gdm_session_get_username (GdmSession *self) { g_return_val_if_fail (GDM_IS_SESSION (self), NULL); return g_strdup (self->priv->selected_user); } char * gdm_session_get_display_device (GdmSession *self) { g_return_val_if_fail (GDM_IS_SESSION (self), NULL); return g_strdup (self->priv->display_device); } char * gdm_session_get_display_seat_id (GdmSession *self) { g_return_val_if_fail (GDM_IS_SESSION (self), NULL); return g_strdup (self->priv->display_seat_id); } char * gdm_session_get_session_id (GdmSession *self) { GdmSessionConversation *conversation; g_return_val_if_fail (GDM_IS_SESSION (self), NULL); conversation = self->priv->session_conversation; if (conversation == NULL) { return NULL; } return g_strdup (conversation->session_id); } gboolean gdm_session_bypasses_xsession (GdmSession *self) { GError *error; GKeyFile *key_file; gboolean res; gboolean bypasses_xsession = FALSE; char *filename; g_return_val_if_fail (self != NULL, FALSE); g_return_val_if_fail (GDM_IS_SESSION (self), FALSE); filename = g_strdup_printf ("%s.desktop", get_session_name (self)); key_file = g_key_file_new (); error = NULL; res = g_key_file_load_from_dirs (key_file, filename, get_system_session_dirs (), NULL, G_KEY_FILE_NONE, &error); if (! res) { g_debug ("GdmSession: File '%s' not found: %s", filename, error->message); goto out; } error = NULL; res = g_key_file_has_key (key_file, G_KEY_FILE_DESKTOP_GROUP, "X-GDM-BypassXsession", NULL); if (!res) { goto out; } else { bypasses_xsession = g_key_file_get_boolean (key_file, G_KEY_FILE_DESKTOP_GROUP, "X-GDM-BypassXsession", &error); if (error) { bypasses_xsession = FALSE; g_error_free (error); goto out; } if (bypasses_xsession) { g_debug ("GdmSession: Session %s bypasses Xsession wrapper script", filename); } } out: g_free (filename); return bypasses_xsession; } void gdm_session_select_program (GdmSession *self, const char *text) { g_free (self->priv->selected_program); self->priv->selected_program = g_strdup (text); } void gdm_session_select_session_type (GdmSession *self, const char *text) { GHashTableIter iter; gpointer key, value; g_hash_table_iter_init (&iter, self->priv->conversations); while (g_hash_table_iter_next (&iter, &key, &value)) { GdmSessionConversation *conversation; conversation = (GdmSessionConversation *) value; gdm_dbus_worker_call_set_session_type (conversation->worker_proxy, text, NULL, NULL, NULL); } } void gdm_session_select_session (GdmSession *self, const char *text) { GHashTableIter iter; gpointer key, value; g_free (self->priv->selected_session); if (strcmp (text, "__previous") == 0) { self->priv->selected_session = NULL; } else { self->priv->selected_session = g_strdup (text); } g_hash_table_iter_init (&iter, self->priv->conversations); while (g_hash_table_iter_next (&iter, &key, &value)) { GdmSessionConversation *conversation; conversation = (GdmSessionConversation *) value; gdm_dbus_worker_call_set_session_name (conversation->worker_proxy, get_session_name (self), NULL, NULL, NULL); } } void gdm_session_select_language (GdmSession *self, const char *text) { GHashTableIter iter; gpointer key, value; g_free (self->priv->selected_language); if (strcmp (text, "__previous") == 0) { self->priv->selected_language = NULL; } else { self->priv->selected_language = g_strdup (text); } g_hash_table_iter_init (&iter, self->priv->conversations); while (g_hash_table_iter_next (&iter, &key, &value)) { GdmSessionConversation *conversation; conversation = (GdmSessionConversation *) value; gdm_dbus_worker_call_set_language_name (conversation->worker_proxy, get_language_name (self), NULL, NULL, NULL); } } /* At some point we may want to read these right from * the slave but for now I don't want the dependency */ static void set_display_name (GdmSession *self, const char *name) { g_free (self->priv->display_name); self->priv->display_name = g_strdup (name); } static void set_display_hostname (GdmSession *self, const char *name) { g_free (self->priv->display_hostname); self->priv->display_hostname = g_strdup (name); } static void set_display_device (GdmSession *self, const char *name) { g_debug ("GdmSession: Setting display device: %s", name); g_free (self->priv->display_device); self->priv->display_device = g_strdup (name); } static void set_display_seat_id (GdmSession *self, const char *name) { g_free (self->priv->display_seat_id); self->priv->display_seat_id = g_strdup (name); } static void set_user_x11_authority_file (GdmSession *self, const char *name) { g_free (self->priv->user_x11_authority_file); self->priv->user_x11_authority_file = g_strdup (name); } static void set_display_x11_authority_file (GdmSession *self, const char *name) { g_free (self->priv->display_x11_authority_file); self->priv->display_x11_authority_file = g_strdup (name); } static void set_display_is_local (GdmSession *self, gboolean is_local) { self->priv->display_is_local = is_local; } static void set_verification_mode (GdmSession *self, GdmSessionVerificationMode verification_mode) { self->priv->verification_mode = verification_mode; } static void set_allowed_user (GdmSession *self, uid_t allowed_user) { self->priv->allowed_user = allowed_user; } static void set_conversation_environment (GdmSession *self, char **environment) { g_strfreev (self->priv->conversation_environment); self->priv->conversation_environment = g_strdupv (environment); } static void gdm_session_set_property (GObject *object, guint prop_id, const GValue *value, GParamSpec *pspec) { GdmSession *self; self = GDM_SESSION (object); switch (prop_id) { case PROP_DISPLAY_NAME: set_display_name (self, g_value_get_string (value)); break; case PROP_DISPLAY_HOSTNAME: set_display_hostname (self, g_value_get_string (value)); break; case PROP_DISPLAY_DEVICE: set_display_device (self, g_value_get_string (value)); break; case PROP_DISPLAY_SEAT_ID: set_display_seat_id (self, g_value_get_string (value)); break; case PROP_USER_X11_AUTHORITY_FILE: set_user_x11_authority_file (self, g_value_get_string (value)); break; case PROP_DISPLAY_X11_AUTHORITY_FILE: set_display_x11_authority_file (self, g_value_get_string (value)); break; case PROP_DISPLAY_IS_LOCAL: set_display_is_local (self, g_value_get_boolean (value)); break; case PROP_VERIFICATION_MODE: set_verification_mode (self, g_value_get_enum (value)); break; case PROP_ALLOWED_USER: set_allowed_user (self, g_value_get_uint (value)); break; case PROP_CONVERSATION_ENVIRONMENT: set_conversation_environment (self, g_value_get_pointer (value)); break; default: G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); break; } } static void gdm_session_get_property (GObject *object, guint prop_id, GValue *value, GParamSpec *pspec) { GdmSession *self; self = GDM_SESSION (object); switch (prop_id) { case PROP_DISPLAY_NAME: g_value_set_string (value, self->priv->display_name); break; case PROP_DISPLAY_HOSTNAME: g_value_set_string (value, self->priv->display_hostname); break; case PROP_DISPLAY_DEVICE: g_value_set_string (value, self->priv->display_device); break; case PROP_DISPLAY_SEAT_ID: g_value_set_string (value, self->priv->display_seat_id); break; case PROP_USER_X11_AUTHORITY_FILE: g_value_set_string (value, self->priv->user_x11_authority_file); break; case PROP_DISPLAY_X11_AUTHORITY_FILE: g_value_set_string (value, self->priv->display_x11_authority_file); break; case PROP_DISPLAY_IS_LOCAL: g_value_set_boolean (value, self->priv->display_is_local); break; case PROP_VERIFICATION_MODE: g_value_set_enum (value, self->priv->verification_mode); break; case PROP_ALLOWED_USER: g_value_set_uint (value, self->priv->allowed_user); break; case PROP_CONVERSATION_ENVIRONMENT: g_value_set_pointer (value, self->priv->environment); break; default: G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); break; } } static void gdm_session_dispose (GObject *object) { GdmSession *self; self = GDM_SESSION (object); g_debug ("GdmSession: Disposing session"); gdm_session_close (self); g_clear_object (&self->priv->user_verifier_interface); g_clear_object (&self->priv->greeter_interface); g_clear_object (&self->priv->chooser_interface); g_free (self->priv->display_name); self->priv->display_name = NULL; g_free (self->priv->display_hostname); self->priv->display_hostname = NULL; g_free (self->priv->display_device); self->priv->display_device = NULL; g_free (self->priv->display_seat_id); self->priv->display_seat_id = NULL; g_free (self->priv->display_x11_authority_file); self->priv->display_x11_authority_file = NULL; g_strfreev (self->priv->conversation_environment); self->priv->conversation_environment = NULL; if (self->priv->worker_server != NULL) { g_dbus_server_stop (self->priv->worker_server); g_clear_object (&self->priv->worker_server); } if (self->priv->environment != NULL) { g_hash_table_destroy (self->priv->environment); self->priv->environment = NULL; } G_OBJECT_CLASS (gdm_session_parent_class)->dispose (object); } static void gdm_session_finalize (GObject *object) { GdmSession *self; GObjectClass *parent_class; self = GDM_SESSION (object); g_free (self->priv->selected_user); g_free (self->priv->selected_session); g_free (self->priv->saved_session); g_free (self->priv->selected_language); g_free (self->priv->saved_language); g_free (self->priv->fallback_session_name); parent_class = G_OBJECT_CLASS (gdm_session_parent_class); if (parent_class->finalize != NULL) parent_class->finalize (object); } static GObject * gdm_session_constructor (GType type, guint n_construct_properties, GObjectConstructParam *construct_properties) { GdmSession *self; self = GDM_SESSION (G_OBJECT_CLASS (gdm_session_parent_class)->constructor (type, n_construct_properties, construct_properties)); return G_OBJECT (self); } static void gdm_session_class_init (GdmSessionClass *session_class) { GObjectClass *object_class; object_class = G_OBJECT_CLASS (session_class); object_class->get_property = gdm_session_get_property; object_class->set_property = gdm_session_set_property; object_class->constructor = gdm_session_constructor; object_class->dispose = gdm_session_dispose; object_class->finalize = gdm_session_finalize; g_type_class_add_private (session_class, sizeof (GdmSessionPrivate)); signals [CONVERSATION_STARTED] = g_signal_new ("conversation-started", GDM_TYPE_SESSION, G_SIGNAL_RUN_FIRST, G_STRUCT_OFFSET (GdmSessionClass, conversation_started), NULL, NULL, g_cclosure_marshal_VOID__STRING, G_TYPE_NONE, 1, G_TYPE_STRING); signals [CONVERSATION_STOPPED] = g_signal_new ("conversation-stopped", GDM_TYPE_SESSION, G_SIGNAL_RUN_FIRST, G_STRUCT_OFFSET (GdmSessionClass, conversation_stopped), NULL, NULL, g_cclosure_marshal_VOID__STRING, G_TYPE_NONE, 1, G_TYPE_STRING); signals [SETUP_COMPLETE] = g_signal_new ("setup-complete", GDM_TYPE_SESSION, G_SIGNAL_RUN_FIRST, G_STRUCT_OFFSET (GdmSessionClass, setup_complete), NULL, NULL, g_cclosure_marshal_VOID__STRING, G_TYPE_NONE, 1, G_TYPE_STRING); signals [VERIFICATION_COMPLETE] = g_signal_new ("verification-complete", GDM_TYPE_SESSION, G_SIGNAL_RUN_FIRST, G_STRUCT_OFFSET (GdmSessionClass, verification_complete), NULL, NULL, NULL, G_TYPE_NONE, 1, G_TYPE_STRING); signals [SESSION_OPENED] = g_signal_new ("session-opened", GDM_TYPE_SESSION, G_SIGNAL_RUN_FIRST, G_STRUCT_OFFSET (GdmSessionClass, session_opened), NULL, NULL, NULL, G_TYPE_NONE, 2, G_TYPE_STRING, G_TYPE_STRING); signals [SESSION_STARTED] = g_signal_new ("session-started", GDM_TYPE_SESSION, G_SIGNAL_RUN_FIRST, G_STRUCT_OFFSET (GdmSessionClass, session_started), NULL, NULL, g_cclosure_marshal_generic, G_TYPE_NONE, 2, G_TYPE_STRING, G_TYPE_INT); signals [SESSION_START_FAILED] = g_signal_new ("session-start-failed", GDM_TYPE_SESSION, G_SIGNAL_RUN_FIRST, G_STRUCT_OFFSET (GdmSessionClass, session_start_failed), NULL, NULL, g_cclosure_marshal_generic, G_TYPE_NONE, 2, G_TYPE_STRING, G_TYPE_STRING); signals [SESSION_EXITED] = g_signal_new ("session-exited", GDM_TYPE_SESSION, G_SIGNAL_RUN_FIRST, G_STRUCT_OFFSET (GdmSessionClass, session_exited), NULL, NULL, g_cclosure_marshal_VOID__INT, G_TYPE_NONE, 1, G_TYPE_INT); signals [SESSION_DIED] = g_signal_new ("session-died", GDM_TYPE_SESSION, G_SIGNAL_RUN_FIRST, G_STRUCT_OFFSET (GdmSessionClass, session_died), NULL, NULL, g_cclosure_marshal_VOID__INT, G_TYPE_NONE, 1, G_TYPE_INT); signals [REAUTHENTICATION_STARTED] = g_signal_new ("reauthentication-started", GDM_TYPE_SESSION, G_SIGNAL_RUN_FIRST, G_STRUCT_OFFSET (GdmSessionClass, reauthentication_started), NULL, NULL, NULL, G_TYPE_NONE, 2, G_TYPE_INT, G_TYPE_STRING); signals [REAUTHENTICATED] = g_signal_new ("reauthenticated", GDM_TYPE_SESSION, G_SIGNAL_RUN_FIRST, G_STRUCT_OFFSET (GdmSessionClass, reauthenticated), NULL, NULL, NULL, G_TYPE_NONE, 1, G_TYPE_STRING); signals [CANCELLED] = g_signal_new ("cancelled", GDM_TYPE_SESSION, G_SIGNAL_RUN_FIRST, G_STRUCT_OFFSET (GdmSessionClass, cancelled), NULL, NULL, g_cclosure_marshal_VOID__VOID, G_TYPE_NONE, 0); signals [CLIENT_CONNECTED] = g_signal_new ("client-connected", GDM_TYPE_SESSION, G_SIGNAL_RUN_FIRST, G_STRUCT_OFFSET (GdmSessionClass, client_connected), NULL, NULL, NULL, G_TYPE_NONE, 2, G_TYPE_CREDENTIALS, G_TYPE_UINT); signals [CLIENT_DISCONNECTED] = g_signal_new ("client-disconnected", GDM_TYPE_SESSION, G_SIGNAL_RUN_FIRST, G_STRUCT_OFFSET (GdmSessionClass, client_disconnected), NULL, NULL, NULL, G_TYPE_NONE, 2, G_TYPE_CREDENTIALS, G_TYPE_UINT); signals [CLIENT_READY_FOR_SESSION_TO_START] = g_signal_new ("client-ready-for-session-to-start", GDM_TYPE_SESSION, G_SIGNAL_RUN_FIRST, G_STRUCT_OFFSET (GdmSessionClass, client_ready_for_session_to_start), NULL, NULL, NULL, G_TYPE_NONE, 2, G_TYPE_STRING, G_TYPE_BOOLEAN); signals [HOSTNAME_SELECTED] = g_signal_new ("hostname-selected", GDM_TYPE_SESSION, G_SIGNAL_RUN_FIRST, G_STRUCT_OFFSET (GdmSessionClass, disconnected), NULL, NULL, NULL, G_TYPE_NONE, 1, G_TYPE_STRING); signals [DISCONNECTED] = g_signal_new ("disconnected", GDM_TYPE_SESSION, G_SIGNAL_RUN_FIRST, G_STRUCT_OFFSET (GdmSessionClass, disconnected), NULL, NULL, g_cclosure_marshal_VOID__VOID, G_TYPE_NONE, 0); g_object_class_install_property (object_class, PROP_VERIFICATION_MODE, g_param_spec_enum ("verification-mode", "verification mode", "verification mode", GDM_TYPE_SESSION_VERIFICATION_MODE, GDM_SESSION_VERIFICATION_MODE_LOGIN, G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY)); g_object_class_install_property (object_class, PROP_ALLOWED_USER, g_param_spec_uint ("allowed-user", "allowed user", "allowed user ", 0, G_MAXUINT, 0, G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY)); g_object_class_install_property (object_class, PROP_CONVERSATION_ENVIRONMENT, g_param_spec_pointer ("conversation-environment", "conversation environment", "conversation environment", G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY)); g_object_class_install_property (object_class, PROP_DISPLAY_NAME, g_param_spec_string ("display-name", "display name", "display name", NULL, G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY)); g_object_class_install_property (object_class, PROP_DISPLAY_HOSTNAME, g_param_spec_string ("display-hostname", "display hostname", "display hostname", NULL, G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY)); g_object_class_install_property (object_class, PROP_DISPLAY_IS_LOCAL, g_param_spec_boolean ("display-is-local", "display is local", "display is local", TRUE, G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY)); g_object_class_install_property (object_class, PROP_DISPLAY_X11_AUTHORITY_FILE, g_param_spec_string ("display-x11-authority-file", "display x11 authority file", "display x11 authority file", NULL, G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY)); /* not construct only */ g_object_class_install_property (object_class, PROP_USER_X11_AUTHORITY_FILE, g_param_spec_string ("user-x11-authority-file", "", "", NULL, G_PARAM_READWRITE | G_PARAM_CONSTRUCT)); g_object_class_install_property (object_class, PROP_DISPLAY_DEVICE, g_param_spec_string ("display-device", "display device", "display device", NULL, G_PARAM_READWRITE | G_PARAM_CONSTRUCT)); g_object_class_install_property (object_class, PROP_DISPLAY_SEAT_ID, g_param_spec_string ("display-seat-id", "display seat id", "display seat id", NULL, G_PARAM_READWRITE | G_PARAM_CONSTRUCT)); } GdmSession * gdm_session_new (GdmSessionVerificationMode verification_mode, uid_t allowed_user, const char *display_name, const char *display_hostname, const char *display_device, const char *display_seat_id, const char *display_x11_authority_file, gboolean display_is_local, const char * const *environment) { GdmSession *self; self = g_object_new (GDM_TYPE_SESSION, "verification-mode", verification_mode, "allowed-user", (guint) allowed_user, "display-name", display_name, "display-hostname", display_hostname, "display-device", display_device, "display-seat-id", display_seat_id, "display-x11-authority-file", display_x11_authority_file, "display-is-local", display_is_local, "conversation-environment", environment, NULL); return self; }