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-rw-r--r--src/terminal.c601
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diff --git a/src/terminal.c b/src/terminal.c
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+++ b/src/terminal.c
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+/*
+ * Copyright © 2001, 2002 Havoc Pennington
+ * Copyright © 2002 Red Hat, Inc.
+ * Copyright © 2002 Sun Microsystems
+ * Copyright © 2003 Mariano Suarez-Alvarez
+ * Copyright © 2008, 2010, 2011 Christian Persch
+ *
+ * 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 3 of the License, 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, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "config.h"
+
+#include <errno.h>
+#include <locale.h>
+#include <stdlib.h>
+#include <time.h>
+#include <unistd.h>
+#include <sys/wait.h>
+
+#include <glib.h>
+#include <glib/gstdio.h>
+#include <gio/gio.h>
+#include <glib/gi18n.h>
+
+#include <gtk/gtk.h>
+
+#include "terminal-debug.h"
+#include "terminal-defines.h"
+#include "terminal-i18n.h"
+#include "terminal-options.h"
+#include "terminal-gdbus-generated.h"
+#include "terminal-defines.h"
+#include "terminal-client-utils.h"
+#include "terminal-libgsystem.h"
+
+GS_DEFINE_CLEANUP_FUNCTION0(TerminalOptions*, gs_local_options_free, terminal_options_free)
+#define gs_free_options __attribute__ ((cleanup(gs_local_options_free)))
+
+/* Wait-for-exit helper */
+
+typedef struct {
+ GMainLoop *loop;
+ int status;
+} RunData;
+
+static void
+receiver_child_exited_cb (TerminalReceiver *receiver,
+ int status,
+ RunData *data)
+{
+ data->status = status;
+
+ if (g_main_loop_is_running (data->loop))
+ g_main_loop_quit (data->loop);
+}
+
+static void
+factory_name_owner_notify_cb (TerminalFactory *factory,
+ GParamSpec *pspec,
+ RunData *data)
+{
+ /* Name owner change to NULL can only mean that the server
+ * went away before it could send out our child-exited signal.
+ * Assume the server was killed and thus our child process
+ * too, and return with the corresponding exit code.
+ */
+ if (g_dbus_proxy_get_name_owner(G_DBUS_PROXY (factory)) != NULL)
+ return;
+
+ data->status = W_EXITCODE(0, SIGKILL);
+
+ if (g_main_loop_is_running (data->loop))
+ g_main_loop_quit (data->loop);
+}
+
+static int
+run_receiver (TerminalFactory *factory,
+ TerminalReceiver *receiver)
+{
+ RunData data = { g_main_loop_new (NULL, FALSE), 0 };
+ gulong receiver_exited_id = g_signal_connect (receiver, "child-exited",
+ G_CALLBACK (receiver_child_exited_cb), &data);
+ gulong factory_notify_id = g_signal_connect (factory, "notify::g-name-owner",
+ G_CALLBACK (factory_name_owner_notify_cb), &data);
+ g_main_loop_run (data.loop);
+ g_signal_handler_disconnect (receiver, receiver_exited_id);
+ g_signal_handler_disconnect (factory, factory_notify_id);
+ g_main_loop_unref (data.loop);
+
+ /* Mangle the exit status */
+ int exit_code;
+ if (WIFEXITED (data.status))
+ exit_code = WEXITSTATUS (data.status);
+ else if (WIFSIGNALED (data.status))
+ exit_code = 128 + (int) WTERMSIG (data.status);
+ else if (WCOREDUMP (data.status))
+ exit_code = 127;
+ else
+ exit_code = 127;
+
+ return exit_code;
+}
+
+/* Factory helpers */
+
+static gboolean
+get_factory_exit_status (const char *service_name,
+ const char *message,
+ int *exit_status)
+{
+ gs_free char *pattern = NULL, *number = NULL;
+ gs_unref_regex GRegex *regex = NULL;
+ gs_free_match_info GMatchInfo *match_info = NULL;
+ gint64 v;
+ char *end;
+ GError *err = NULL;
+
+ pattern = g_strdup_printf ("org.freedesktop.DBus.Error.Spawn.ChildExited: Process %s exited with status (\\d+)$",
+ service_name);
+ regex = g_regex_new (pattern, 0, 0, &err);
+ g_assert_no_error (err);
+
+ if (!g_regex_match (regex, message, 0, &match_info))
+ return FALSE;
+
+ number = g_match_info_fetch (match_info, 1);
+ g_assert_nonnull (number);
+
+ errno = 0;
+ v = g_ascii_strtoll (number, &end, 10);
+ if (errno || end == number || *end != '\0' || v < 0 || v > G_MAXINT)
+ return FALSE;
+
+ *exit_status = (int)v;
+ return TRUE;
+}
+
+static gboolean
+handle_factory_error (const char *service_name,
+ GError *error)
+{
+ int exit_status;
+
+ if (!g_dbus_error_is_remote_error (error) ||
+ !g_error_matches (error, G_DBUS_ERROR, G_DBUS_ERROR_SPAWN_CHILD_EXITED) ||
+ !get_factory_exit_status (service_name, error->message, &exit_status))
+ return FALSE;
+
+ g_dbus_error_strip_remote_error (error);
+ terminal_printerr ("%s\n\n", error->message);
+
+ switch (exit_status) {
+ case _EXIT_FAILURE_WRONG_ID:
+ terminal_printerr ("You tried to run gnome-terminal-server with elevated privileged. This is not supported.\n");
+ break;
+ case _EXIT_FAILURE_NO_UTF8:
+ terminal_printerr ("The environment that gnome-terminal-server was launched with specified a non-UTF-8 locale. This is not supported.\n");
+ break;
+ case _EXIT_FAILURE_UNSUPPORTED_LOCALE:
+ terminal_printerr ("The environment that gnome-terminal-server was launched with specified an unsupported locale.\n");
+ break;
+ case _EXIT_FAILURE_GTK_INIT:
+ terminal_printerr ("The environment that gnome-terminal-server was launched with most likely contained an incorrect or unset \"DISPLAY\" variable.\n");
+ break;
+ default:
+ break;
+ }
+ terminal_printerr ("See https://wiki.gnome.org/Apps/Terminal/FAQ#Exit_status_%d for more information.\n", exit_status);
+
+ return TRUE;
+}
+
+static gboolean
+handle_create_instance_error (const char *service_name,
+ GError *error)
+{
+ if (handle_factory_error (service_name, error))
+ return TRUE;
+
+ g_dbus_error_strip_remote_error (error);
+ terminal_printerr ("Error creating terminal: %s\n", error->message);
+ return FALSE; /* don't abort */
+}
+
+static gboolean
+handle_create_receiver_proxy_error (const char *service_name,
+ GError *error)
+{
+ if (handle_factory_error (service_name, error))
+ return TRUE;
+
+ g_dbus_error_strip_remote_error (error);
+ terminal_printerr ("Failed to create proxy for terminal: %s\n", error->message);
+ return FALSE; /* don't abort */
+}
+
+static gboolean
+handle_exec_error (const char *service_name,
+ GError *error)
+{
+ if (handle_factory_error (service_name, error))
+ return TRUE;
+
+ g_dbus_error_strip_remote_error (error);
+ terminal_printerr ("Error: %s\n", error->message);
+ return FALSE; /* don't abort */
+}
+
+static gboolean
+factory_proxy_new_for_service_name (const char *service_name,
+ gboolean ping_server,
+ gboolean connect_signals,
+ TerminalFactory **factory_ptr,
+ char **service_name_ptr,
+ GError **error)
+{
+ if (service_name == NULL)
+ service_name = TERMINAL_APPLICATION_ID;
+
+ gs_free_error GError *err = NULL;
+ gs_unref_object TerminalFactory *factory =
+ terminal_factory_proxy_new_for_bus_sync (G_BUS_TYPE_SESSION,
+ G_DBUS_PROXY_FLAGS_DO_NOT_LOAD_PROPERTIES |
+ connect_signals ? 0 : G_DBUS_PROXY_FLAGS_DO_NOT_CONNECT_SIGNALS,
+ service_name,
+ TERMINAL_FACTORY_OBJECT_PATH,
+ NULL /* cancellable */,
+ &err);
+ if (factory == NULL) {
+ if (!handle_factory_error (service_name, err))
+ terminal_printerr ("Error constructing proxy for %s:%s: %s\n",
+ service_name, TERMINAL_FACTORY_OBJECT_PATH, err->message);
+ g_propagate_error (error, err);
+ err = NULL;
+ return FALSE;
+ }
+
+ if (ping_server) {
+ /* If we try to use the environment specified server, we need to make
+ * sure it actually exists so we can later fall back to the default name.
+ * There doesn't appear to a way to fail proxy creation above if the
+ * unique name doesn't exist; so we do it this way.
+ */
+ gs_unref_variant GVariant *v = g_dbus_proxy_call_sync (G_DBUS_PROXY (factory),
+ "org.freedesktop.DBus.Peer.Ping",
+ g_variant_new ("()"),
+ G_DBUS_CALL_FLAGS_NONE,
+ 1000 /* 1s */,
+ NULL /* cancelleable */,
+ &err);
+ if (v == NULL) {
+ g_propagate_error (error, err);
+ err = NULL;
+ return FALSE;
+ }
+ }
+
+ gs_transfer_out_value (factory_ptr, &factory);
+ *service_name_ptr = g_strdup (service_name);
+ return TRUE;
+}
+
+static gboolean
+factory_proxy_new (TerminalOptions *options,
+ TerminalFactory **factory_ptr,
+ char **service_name_ptr,
+ char **parent_screen_object_path_ptr,
+ GError **error)
+{
+ const char *service_name = options->server_app_id;
+
+ /* If --app-id was specified, or the environment does not specify
+ * the server to use, create the factory proxy from the given (or default)
+ * name, with no fallback.
+ *
+ * If the server specified by the environment doesn't exist, fall back to the
+ * default server, and ignore the environment-specified parent screen.
+ */
+ if (options->server_app_id == NULL &&
+ options->server_unique_name != NULL) {
+ gs_free_error GError *err = NULL;
+ if (factory_proxy_new_for_service_name (options->server_unique_name,
+ TRUE,
+ options->wait,
+ factory_ptr,
+ service_name_ptr,
+ &err)) {
+ *parent_screen_object_path_ptr = g_strdup (options->parent_screen_object_path);
+ return TRUE;
+ }
+
+ terminal_printerr ("Failed to use specified server: %s\n",
+ err->message);
+ terminal_printerr ("Falling back to default server.\n");
+
+ /* Fall back to the default */
+ service_name = NULL;
+ }
+
+ *parent_screen_object_path_ptr = NULL;
+
+ return factory_proxy_new_for_service_name (service_name,
+ FALSE,
+ options->wait,
+ factory_ptr,
+ service_name_ptr,
+ error);
+}
+
+static void
+handle_show_preferences (TerminalOptions *options,
+ const char *service_name)
+{
+ gs_free_error GError *error = NULL;
+ gs_unref_object GDBusConnection *bus = NULL;
+ gs_free char *object_path = NULL;
+ GVariantBuilder builder;
+
+ bus = g_bus_get_sync (G_BUS_TYPE_SESSION, NULL, &error);
+ if (bus == NULL) {
+ terminal_printerr ("Failed to get session bus: %s\n", error->message);
+ return;
+ }
+
+ /* For reasons (!?), the org.gtk.Actions interface's object path
+ * is derived from the service name, i.e. for service name
+ * "foo.bar.baz" the object path is "/foo/bar/baz".
+ * This means that without the name (like when given only the unique name),
+ * we cannot activate the action.
+ */
+ if (g_dbus_is_unique_name(service_name)) {
+ terminal_printerr ("Cannot call this function from within gnome-terminal.\n");
+ return;
+ }
+
+ object_path = g_strdelimit (g_strdup_printf (".%s", service_name), ".", '/');
+
+ g_variant_builder_init (&builder, G_VARIANT_TYPE ("(sava{sv})"));
+ g_variant_builder_add (&builder, "s", "preferences");
+ g_variant_builder_open (&builder, G_VARIANT_TYPE ("av"));
+ g_variant_builder_close (&builder);
+ g_variant_builder_open (&builder, G_VARIANT_TYPE ("a{sv}"));
+ if (options->startup_id)
+ g_variant_builder_add (&builder, "{sv}",
+ "desktop-startup-id", g_variant_new_string (options->startup_id));
+ g_variant_builder_close (&builder);
+
+ if (!g_dbus_connection_call_sync (bus,
+ service_name,
+ object_path,
+ "org.gtk.Actions",
+ "Activate",
+ g_variant_builder_end (&builder),
+ G_VARIANT_TYPE ("()"),
+ G_DBUS_CALL_FLAGS_NO_AUTO_START,
+ 30 * 1000 /* ms timeout */,
+ NULL /* cancelleable */,
+ &error)) {
+ terminal_printerr ("Activate call failed: %s\n", error->message);
+ return;
+ }
+}
+
+/**
+ * handle_options:
+ * @app:
+ * @options: a #TerminalOptions
+ * @allow_resume: whether to merge the terminal configuration from the
+ * saved session on resume
+ * @wait_for_receiver: location to store the #TerminalReceiver to wait for
+ *
+ * Processes @options. It loads or saves the terminal configuration, or
+ * opens the specified windows and tabs.
+ *
+ * Returns: %TRUE if @options could be successfully handled, or %FALSE on
+ * error
+ */
+static gboolean
+handle_options (TerminalOptions *options,
+ TerminalFactory *factory,
+ const char *service_name,
+ const char *parent_screen_object_path,
+ TerminalReceiver **wait_for_receiver)
+{
+ /* We need to forward the locale encoding to the server, see bug #732128 */
+ const char *encoding;
+ g_get_charset (&encoding);
+
+ if (options->show_preferences) {
+ handle_show_preferences (options, service_name);
+ } else {
+ /* Make sure we open at least one window */
+ terminal_options_ensure_window (options);
+ }
+
+ const char *factory_unique_name = g_dbus_proxy_get_name_owner (G_DBUS_PROXY (factory));
+
+ for (GList *lw = options->initial_windows; lw != NULL; lw = lw->next)
+ {
+ InitialWindow *iw = lw->data;
+
+ g_assert_nonnull (iw);
+
+ guint window_id = 0;
+
+ gs_free char *previous_screen_object_path = NULL;
+ if (iw->implicit_first_window)
+ previous_screen_object_path = g_strdup (parent_screen_object_path);
+
+ /* Now add the tabs */
+ for (GList *lt = iw->tabs; lt != NULL; lt = lt->next)
+ {
+ InitialTab *it = lt->data;
+ g_assert_nonnull (it);
+
+ GVariantBuilder builder;
+ g_variant_builder_init (&builder, G_VARIANT_TYPE ("a{sv}"));
+
+ terminal_client_append_create_instance_options (&builder,
+ options->display_name,
+ options->startup_id,
+ iw->geometry,
+ iw->role,
+ it->profile ? it->profile : options->default_profile,
+ encoding,
+ it->title ? it->title : options->default_title,
+ it->active,
+ iw->start_maximized,
+ iw->start_fullscreen);
+
+ /* This will be used to apply missing defaults */
+ if (parent_screen_object_path != NULL)
+ g_variant_builder_add (&builder, "{sv}",
+ "parent-screen", g_variant_new_object_path (parent_screen_object_path));
+
+ /* This will be used to get the parent window */
+ if (previous_screen_object_path)
+ g_variant_builder_add (&builder, "{sv}",
+ "window-from-screen", g_variant_new_object_path (previous_screen_object_path));
+ if (window_id)
+ g_variant_builder_add (&builder, "{sv}",
+ "window-id", g_variant_new_uint32 (window_id));
+ /* Restored windows shouldn't demand attention; see bug #586308. */
+ if (iw->source_tag == SOURCE_SESSION)
+ g_variant_builder_add (&builder, "{sv}",
+ "present-window", g_variant_new_boolean (FALSE));
+ if (options->zoom_set || it->zoom_set)
+ g_variant_builder_add (&builder, "{sv}",
+ "zoom", g_variant_new_double (it->zoom_set ? it->zoom : options->zoom));
+ if (iw->force_menubar_state)
+ g_variant_builder_add (&builder, "{sv}",
+ "show-menubar", g_variant_new_boolean (iw->menubar_state));
+
+ gs_free_error GError *err = NULL;
+ gs_free char *object_path = NULL;
+ if (!terminal_factory_call_create_instance_sync
+ (factory,
+ g_variant_builder_end (&builder),
+ &object_path,
+ NULL /* cancellable */,
+ &err)) {
+ if (handle_create_instance_error (service_name, err))
+ return FALSE;
+ else
+ continue; /* Continue processing the remaining options! */
+ }
+
+ /* Deprecated and not working on new server anymore */
+ char *p = strstr (object_path, "/window/");
+ if (p) {
+ char *end = NULL;
+ guint64 value;
+
+ errno = 0;
+ p += strlen ("/window/");
+ value = g_ascii_strtoull (p, &end, 10);
+ if (errno == 0 && end != p && *end == '/')
+ window_id = (guint) value;
+ }
+
+ g_free (previous_screen_object_path);
+ previous_screen_object_path = g_strdup (object_path);
+
+ gs_unref_object TerminalReceiver *receiver =
+ terminal_receiver_proxy_new_for_bus_sync (G_BUS_TYPE_SESSION,
+ G_DBUS_PROXY_FLAGS_DO_NOT_LOAD_PROPERTIES |
+ (it->wait ? 0 : G_DBUS_PROXY_FLAGS_DO_NOT_CONNECT_SIGNALS),
+ factory_unique_name,
+ object_path,
+ NULL /* cancellable */,
+ &err);
+ if (receiver == NULL) {
+ if (handle_create_receiver_proxy_error (service_name, err))
+ return FALSE;
+ else
+ continue; /* Continue processing the remaining options! */
+ }
+
+ g_variant_builder_init (&builder, G_VARIANT_TYPE ("a{sv}"));
+
+ char **argv = it->exec_argv ? it->exec_argv : options->exec_argv;
+ int argc = argv ? g_strv_length (argv) : 0;
+
+ PassFdElement *fd_array = it->fd_array ? (PassFdElement*)it->fd_array->data : NULL;
+ gsize fd_array_len = it->fd_array ? it->fd_array->len : 0;
+
+ terminal_client_append_exec_options (&builder,
+ !options->no_environment,
+ it->working_dir ? it->working_dir
+ : options->default_working_dir,
+ fd_array, fd_array_len,
+ argc == 0);
+
+ if (!terminal_receiver_call_exec_sync (receiver,
+ g_variant_builder_end (&builder),
+ g_variant_new_bytestring_array ((const char * const *) argv, argc),
+ it->fd_list, NULL /* outfdlist */,
+ NULL /* cancellable */,
+ &err)) {
+ if (handle_exec_error (service_name, err))
+ return FALSE;
+ else
+ continue; /* Continue processing the remaining options! */
+ }
+
+ if (it->wait)
+ gs_transfer_out_value (wait_for_receiver, &receiver);
+
+ if (options->print_environment)
+ g_print ("%s=%s\n", TERMINAL_ENV_SCREEN, object_path);
+ }
+ }
+
+ return TRUE;
+}
+
+int
+main (int argc, char **argv)
+{
+ int exit_code = EXIT_FAILURE;
+
+ g_log_set_writer_func (terminal_log_writer, NULL, NULL);
+
+ g_set_prgname ("gnome-terminal");
+
+ setlocale (LC_ALL, "");
+
+ terminal_i18n_init (TRUE);
+
+ _terminal_debug_init ();
+
+ gs_free_error GError *error = NULL;
+ gs_free_options TerminalOptions *options = terminal_options_parse (&argc, &argv, &error);
+ if (options == NULL) {
+ terminal_printerr (_("Failed to parse arguments: %s\n"), error->message);
+ return exit_code;
+ }
+
+ g_set_application_name (_("Terminal"));
+
+ gs_unref_object TerminalFactory *factory = NULL;
+ gs_free char *service_name = NULL;
+ gs_free char *parent_screen_object_path = NULL;
+ if (!factory_proxy_new (options,
+ &factory,
+ &service_name,
+ &parent_screen_object_path,
+ &error))
+ return exit_code;
+
+ if (options->print_environment) {
+ const char *name_owner = g_dbus_proxy_get_name_owner (G_DBUS_PROXY (factory));
+ if (name_owner != NULL)
+ g_print ("%s=%s\n", TERMINAL_ENV_SERVICE_NAME, name_owner);
+ else
+ return exit_code;
+ }
+
+ TerminalReceiver *receiver = NULL;
+ if (!handle_options (options, factory, service_name, parent_screen_object_path, &receiver))
+ return exit_code;
+
+ if (receiver != NULL) {
+ exit_code = run_receiver (factory, receiver);
+ g_object_unref (receiver);
+ } else
+ exit_code = EXIT_SUCCESS;
+
+ return exit_code;
+}