diff options
Diffstat (limited to 'daemon/gdm-launch-environment.c')
| -rw-r--r-- | daemon/gdm-launch-environment.c | 1047 |
1 files changed, 1047 insertions, 0 deletions
diff --git a/daemon/gdm-launch-environment.c b/daemon/gdm-launch-environment.c new file mode 100644 index 0000000..932c3e8 --- /dev/null +++ b/daemon/gdm-launch-environment.c @@ -0,0 +1,1047 @@ +/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 8 -*- + * + * Copyright (C) 2008 William Jon McCann <jmccann@redhat.com> + * + * 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 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, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. + * + */ + +#include "config.h" + +#include <gio/gio.h> + +#include <stdlib.h> +#include <stdio.h> +#include <fcntl.h> +#include <unistd.h> +#include <string.h> +#include <sys/types.h> +#include <sys/wait.h> +#include <errno.h> +#include <ctype.h> +#include <pwd.h> +#include <grp.h> +#include <signal.h> +#ifdef HAVE_SYS_PRCTL_H +#include <sys/prctl.h> +#endif + +#include <glib.h> +#include <glib/gi18n.h> +#include <glib/gstdio.h> +#include <glib-object.h> + +#include "gdm-common.h" + +#include "gdm-session-enum-types.h" +#include "gdm-launch-environment.h" +#include "gdm-settings-direct.h" +#include "gdm-settings-keys.h" + +#define INITIAL_SETUP_USERNAME "gnome-initial-setup" +#define GDM_SESSION_MODE "gdm" +#define INITIAL_SETUP_SESSION_MODE "initial-setup" + +extern char **environ; + +struct GdmLaunchEnvironmentPrivate +{ + GdmSession *session; + char *command; + GPid pid; + + GdmSessionVerificationMode verification_mode; + + char *user_name; + char *runtime_dir; + + char *session_id; + char *session_type; + char *session_mode; + char *x11_display_name; + char *x11_display_seat_id; + char *x11_display_device; + char *x11_display_hostname; + char *x11_authority_file; + gboolean x11_display_is_local; +}; + +enum { + PROP_0, + PROP_VERIFICATION_MODE, + PROP_SESSION_TYPE, + PROP_SESSION_MODE, + PROP_X11_DISPLAY_NAME, + PROP_X11_DISPLAY_SEAT_ID, + PROP_X11_DISPLAY_DEVICE, + PROP_X11_DISPLAY_HOSTNAME, + PROP_X11_AUTHORITY_FILE, + PROP_X11_DISPLAY_IS_LOCAL, + PROP_USER_NAME, + PROP_RUNTIME_DIR, + PROP_COMMAND, +}; + +enum { + OPENED, + STARTED, + STOPPED, + EXITED, + DIED, + HOSTNAME_SELECTED, + LAST_SIGNAL +}; + +static guint signals [LAST_SIGNAL] = { 0, }; + +static void gdm_launch_environment_class_init (GdmLaunchEnvironmentClass *klass); +static void gdm_launch_environment_init (GdmLaunchEnvironment *launch_environment); +static void gdm_launch_environment_finalize (GObject *object); + +G_DEFINE_TYPE_WITH_PRIVATE (GdmLaunchEnvironment, gdm_launch_environment, G_TYPE_OBJECT) + +static char * +get_var_cb (const char *var, + gpointer user_data) +{ + const char *value = g_hash_table_lookup (user_data, var); + return g_strdup (value); +} + +static void +load_env_func (const char *var, + const char *value, + gpointer user_data) +{ + GHashTable *environment = user_data; + g_hash_table_replace (environment, g_strdup (var), g_strdup (value)); +} + +static GHashTable * +build_launch_environment (GdmLaunchEnvironment *launch_environment, + gboolean start_session) +{ + GHashTable *hash; + struct passwd *pwent; + static const char *const optional_environment[] = { + "GI_TYPELIB_PATH", + "LANG", + "LANGUAGE", + "LC_ADDRESS", + "LC_ALL", + "LC_COLLATE", + "LC_CTYPE", + "LC_IDENTIFICATION", + "LC_MEASUREMENT", + "LC_MESSAGES", + "LC_MONETARY", + "LC_NAME", + "LC_NUMERIC", + "LC_PAPER", + "LC_TELEPHONE", + "LC_TIME", + "LD_LIBRARY_PATH", + "PATH", + "WINDOWPATH", + "XCURSOR_PATH", + "XDG_CONFIG_DIRS", + NULL + }; + char *system_data_dirs; + g_auto (GStrv) supported_session_types = NULL; + int i; + + /* create a hash table of current environment, then update keys has necessary */ + hash = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, g_free); + + for (i = 0; optional_environment[i] != NULL; i++) { + if (g_getenv (optional_environment[i]) == NULL) { + continue; + } + + g_hash_table_insert (hash, + g_strdup (optional_environment[i]), + g_strdup (g_getenv (optional_environment[i]))); + } + + if (launch_environment->priv->x11_authority_file != NULL) + g_hash_table_insert (hash, g_strdup ("XAUTHORITY"), g_strdup (launch_environment->priv->x11_authority_file)); + + if (launch_environment->priv->session_mode != NULL) { + g_hash_table_insert (hash, g_strdup ("GNOME_SHELL_SESSION_MODE"), g_strdup (launch_environment->priv->session_mode)); + + if (strcmp (launch_environment->priv->session_mode, INITIAL_SETUP_SESSION_MODE) != 0) { + /* gvfs is needed for fetching remote avatars in the initial setup. Disable it otherwise. */ + g_hash_table_insert (hash, g_strdup ("GVFS_DISABLE_FUSE"), g_strdup ("1")); + g_hash_table_insert (hash, g_strdup ("GIO_USE_VFS"), g_strdup ("local")); + g_hash_table_insert (hash, g_strdup ("GVFS_REMOTE_VOLUME_MONITOR_IGNORE"), g_strdup ("1")); + + /* The locked down dconf profile should not be used for the initial setup session. + * This allows overridden values from the user profile to take effect. + */ + g_hash_table_insert (hash, g_strdup ("DCONF_PROFILE"), g_strdup ("gdm")); + } + } + + g_hash_table_insert (hash, g_strdup ("LOGNAME"), g_strdup (launch_environment->priv->user_name)); + g_hash_table_insert (hash, g_strdup ("USER"), g_strdup (launch_environment->priv->user_name)); + g_hash_table_insert (hash, g_strdup ("USERNAME"), g_strdup (launch_environment->priv->user_name)); + + g_hash_table_insert (hash, g_strdup ("GDM_VERSION"), g_strdup (VERSION)); + g_hash_table_remove (hash, "MAIL"); + + g_hash_table_insert (hash, g_strdup ("HOME"), g_strdup ("/")); + g_hash_table_insert (hash, g_strdup ("PWD"), g_strdup ("/")); + g_hash_table_insert (hash, g_strdup ("SHELL"), g_strdup ("/bin/sh")); + + gdm_get_pwent_for_name (launch_environment->priv->user_name, &pwent); + if (pwent != NULL) { + if (pwent->pw_dir != NULL && pwent->pw_dir[0] != '\0') { + g_hash_table_insert (hash, g_strdup ("HOME"), g_strdup (pwent->pw_dir)); + g_hash_table_insert (hash, g_strdup ("PWD"), g_strdup (pwent->pw_dir)); + } + + g_hash_table_insert (hash, g_strdup ("SHELL"), g_strdup (pwent->pw_shell)); + } + + if (start_session && launch_environment->priv->x11_display_seat_id != NULL) { + char *seat_id; + + seat_id = launch_environment->priv->x11_display_seat_id; + + g_hash_table_insert (hash, g_strdup ("GDM_SEAT_ID"), g_strdup (seat_id)); + } + + g_hash_table_insert (hash, g_strdup ("RUNNING_UNDER_GDM"), g_strdup ("true")); + + /* Now populate XDG_DATA_DIRS from env.d if we're running initial setup; this allows + * e.g. Flatpak apps to be recognized by gnome-shell. + */ + if (g_strcmp0 (launch_environment->priv->session_mode, INITIAL_SETUP_SESSION_MODE) == 0) + gdm_load_env_d (load_env_func, get_var_cb, hash); + + /* Prepend our own XDG_DATA_DIRS value */ + system_data_dirs = g_strdup (g_hash_table_lookup (hash, "XDG_DATA_DIRS")); + if (!system_data_dirs) + system_data_dirs = g_strjoinv (":", (char **) g_get_system_data_dirs ()); + + g_hash_table_insert (hash, + g_strdup ("XDG_DATA_DIRS"), + g_strdup_printf ("%s:%s:%s", + DATADIR "/gdm/greeter", + DATADIR, + system_data_dirs)); + g_free (system_data_dirs); + + g_object_get (launch_environment->priv->session, + "supported-session-types", + &supported_session_types, + NULL); + g_hash_table_insert (hash, + g_strdup ("GDM_SUPPORTED_SESSION_TYPES"), + g_strjoinv (":", supported_session_types)); + + return hash; +} + +static void +on_session_setup_complete (GdmSession *session, + const char *service_name, + GdmLaunchEnvironment *launch_environment) +{ + GHashTable *hash; + GHashTableIter iter; + gpointer key, value; + + hash = build_launch_environment (launch_environment, TRUE); + + g_hash_table_iter_init (&iter, hash); + while (g_hash_table_iter_next (&iter, &key, &value)) { + gdm_session_set_environment_variable (launch_environment->priv->session, key, value); + } + g_hash_table_destroy (hash); +} + +static void +on_session_opened (GdmSession *session, + const char *service_name, + const char *session_id, + GdmLaunchEnvironment *launch_environment) +{ + launch_environment->priv->session_id = g_strdup (session_id); + + g_signal_emit (G_OBJECT (launch_environment), signals [OPENED], 0); + gdm_session_start_session (launch_environment->priv->session, service_name); +} + +static void +on_session_started (GdmSession *session, + const char *service_name, + int pid, + GdmLaunchEnvironment *launch_environment) +{ + launch_environment->priv->pid = pid; + g_signal_emit (G_OBJECT (launch_environment), signals [STARTED], 0); +} + +static void +on_session_exited (GdmSession *session, + int exit_code, + GdmLaunchEnvironment *launch_environment) +{ + gdm_session_stop_conversation (launch_environment->priv->session, "gdm-launch-environment"); + + g_signal_emit (G_OBJECT (launch_environment), signals [EXITED], 0, exit_code); +} + +static void +on_session_died (GdmSession *session, + int signal_number, + GdmLaunchEnvironment *launch_environment) +{ + gdm_session_stop_conversation (launch_environment->priv->session, "gdm-launch-environment"); + + g_signal_emit (G_OBJECT (launch_environment), signals [DIED], 0, signal_number); +} + +static void +on_hostname_selected (GdmSession *session, + const char *hostname, + GdmLaunchEnvironment *launch_environment) +{ + g_debug ("GdmSession: hostname selected: %s", hostname); + g_signal_emit (launch_environment, signals [HOSTNAME_SELECTED], 0, hostname); +} + +static void +on_conversation_started (GdmSession *session, + const char *service_name, + GdmLaunchEnvironment *launch_environment) +{ + char *log_path; + char *log_file; + + if (launch_environment->priv->x11_display_name != NULL) + log_file = g_strdup_printf ("%s-greeter.log", launch_environment->priv->x11_display_name); + else + log_file = g_strdup ("greeter.log"); + + log_path = g_build_filename (LOGDIR, log_file, NULL); + g_free (log_file); + + gdm_session_setup_for_program (launch_environment->priv->session, + "gdm-launch-environment", + launch_environment->priv->user_name, + log_path); + g_free (log_path); +} + +static void +on_conversation_stopped (GdmSession *session, + const char *service_name, + GdmLaunchEnvironment *launch_environment) +{ + GdmSession *conversation_session; + + conversation_session = launch_environment->priv->session; + launch_environment->priv->session = NULL; + + g_debug ("GdmLaunchEnvironment: conversation stopped"); + + if (launch_environment->priv->pid > 1) { + gdm_signal_pid (-launch_environment->priv->pid, SIGTERM); + g_signal_emit (G_OBJECT (launch_environment), signals [STOPPED], 0); + } + + if (conversation_session != NULL) { + gdm_session_close (conversation_session); + g_object_unref (conversation_session); + } +} + +static gboolean +ensure_directory_with_uid_gid (const char *path, + uid_t uid, + gid_t gid, + GError **error) +{ + if (mkdir (path, 0700) == -1 && errno != EEXIST) { + g_set_error (error, G_IO_ERROR, G_IO_ERROR_FAILED, + "Failed to create directory %s: %s", path, + g_strerror (errno)); + return FALSE; + } + if (chown (path, uid, gid) == -1) { + g_set_error (error, G_IO_ERROR, G_IO_ERROR_FAILED, + "Failed to set owner of %s: %s", path, + g_strerror (errno)); + return FALSE; + } + return TRUE; +} + +/** + * gdm_launch_environment_start: + * @disp: Pointer to a GdmDisplay structure + * + * Starts a local X launch_environment. Handles retries and fatal errors properly. + */ +gboolean +gdm_launch_environment_start (GdmLaunchEnvironment *launch_environment) +{ + gboolean res = FALSE; + GError *local_error = NULL; + GError **error = &local_error; + struct passwd *passwd_entry; + uid_t uid; + gid_t gid; + + g_debug ("GdmLaunchEnvironment: Starting..."); + + if (!gdm_get_pwent_for_name (launch_environment->priv->user_name, &passwd_entry)) { + g_set_error (error, G_IO_ERROR, G_IO_ERROR_FAILED, + "Unknown user %s", + launch_environment->priv->user_name); + goto out; + } + + uid = passwd_entry->pw_uid; + gid = passwd_entry->pw_gid; + + g_debug ("GdmLaunchEnvironment: Setting up run time dir %s", + launch_environment->priv->runtime_dir); + if (!ensure_directory_with_uid_gid (launch_environment->priv->runtime_dir, uid, gid, error)) { + goto out; + } + + /* Create the home directory too */ + if (!ensure_directory_with_uid_gid (passwd_entry->pw_dir, uid, gid, error)) + goto out; + + launch_environment->priv->session = gdm_session_new (launch_environment->priv->verification_mode, + uid, + launch_environment->priv->x11_display_name, + launch_environment->priv->x11_display_hostname, + launch_environment->priv->x11_display_device, + launch_environment->priv->x11_display_seat_id, + launch_environment->priv->x11_authority_file, + launch_environment->priv->x11_display_is_local, + NULL); + + g_signal_connect_object (launch_environment->priv->session, + "conversation-started", + G_CALLBACK (on_conversation_started), + launch_environment, + 0); + g_signal_connect_object (launch_environment->priv->session, + "conversation-stopped", + G_CALLBACK (on_conversation_stopped), + launch_environment, + 0); + g_signal_connect_object (launch_environment->priv->session, + "setup-complete", + G_CALLBACK (on_session_setup_complete), + launch_environment, + 0); + g_signal_connect_object (launch_environment->priv->session, + "session-opened", + G_CALLBACK (on_session_opened), + launch_environment, + 0); + g_signal_connect_object (launch_environment->priv->session, + "session-started", + G_CALLBACK (on_session_started), + launch_environment, + 0); + g_signal_connect_object (launch_environment->priv->session, + "session-exited", + G_CALLBACK (on_session_exited), + launch_environment, + 0); + g_signal_connect_object (launch_environment->priv->session, + "session-died", + G_CALLBACK (on_session_died), + launch_environment, + 0); + g_signal_connect_object (launch_environment->priv->session, + "hostname-selected", + G_CALLBACK (on_hostname_selected), + launch_environment, + 0); + + gdm_session_start_conversation (launch_environment->priv->session, "gdm-launch-environment"); + gdm_session_select_program (launch_environment->priv->session, launch_environment->priv->command); + + if (launch_environment->priv->session_type != NULL) { + g_object_set (G_OBJECT (launch_environment->priv->session), + "session-type", + launch_environment->priv->session_type, + NULL); + } + + res = TRUE; + out: + if (local_error) { + g_critical ("GdmLaunchEnvironment: %s", local_error->message); + g_clear_error (&local_error); + } + return res; +} + +gboolean +gdm_launch_environment_stop (GdmLaunchEnvironment *launch_environment) +{ + if (launch_environment->priv->pid > 1) { + gdm_signal_pid (-launch_environment->priv->pid, SIGTERM); + } + + if (launch_environment->priv->session != NULL) { + gdm_session_close (launch_environment->priv->session); + + g_clear_object (&launch_environment->priv->session); + } + + g_signal_emit (G_OBJECT (launch_environment), signals [STOPPED], 0); + + return TRUE; +} + +GdmSession * +gdm_launch_environment_get_session (GdmLaunchEnvironment *launch_environment) +{ + return launch_environment->priv->session; +} + +char * +gdm_launch_environment_get_session_id (GdmLaunchEnvironment *launch_environment) +{ + return g_strdup (launch_environment->priv->session_id); +} + +static void +_gdm_launch_environment_set_verification_mode (GdmLaunchEnvironment *launch_environment, + GdmSessionVerificationMode verification_mode) +{ + launch_environment->priv->verification_mode = verification_mode; +} + +static void +_gdm_launch_environment_set_session_type (GdmLaunchEnvironment *launch_environment, + const char *session_type) +{ + g_free (launch_environment->priv->session_type); + launch_environment->priv->session_type = g_strdup (session_type); +} + +static void +_gdm_launch_environment_set_session_mode (GdmLaunchEnvironment *launch_environment, + const char *session_mode) +{ + g_free (launch_environment->priv->session_mode); + launch_environment->priv->session_mode = g_strdup (session_mode); +} + +static void +_gdm_launch_environment_set_x11_display_name (GdmLaunchEnvironment *launch_environment, + const char *name) +{ + g_free (launch_environment->priv->x11_display_name); + launch_environment->priv->x11_display_name = g_strdup (name); +} + +static void +_gdm_launch_environment_set_x11_display_seat_id (GdmLaunchEnvironment *launch_environment, + const char *sid) +{ + g_free (launch_environment->priv->x11_display_seat_id); + launch_environment->priv->x11_display_seat_id = g_strdup (sid); +} + +static void +_gdm_launch_environment_set_x11_display_hostname (GdmLaunchEnvironment *launch_environment, + const char *name) +{ + g_free (launch_environment->priv->x11_display_hostname); + launch_environment->priv->x11_display_hostname = g_strdup (name); +} + +static void +_gdm_launch_environment_set_x11_display_device (GdmLaunchEnvironment *launch_environment, + const char *name) +{ + g_free (launch_environment->priv->x11_display_device); + launch_environment->priv->x11_display_device = g_strdup (name); +} + +static void +_gdm_launch_environment_set_x11_display_is_local (GdmLaunchEnvironment *launch_environment, + gboolean is_local) +{ + launch_environment->priv->x11_display_is_local = is_local; +} + +static void +_gdm_launch_environment_set_x11_authority_file (GdmLaunchEnvironment *launch_environment, + const char *file) +{ + g_free (launch_environment->priv->x11_authority_file); + launch_environment->priv->x11_authority_file = g_strdup (file); +} + +static void +_gdm_launch_environment_set_user_name (GdmLaunchEnvironment *launch_environment, + const char *name) +{ + g_free (launch_environment->priv->user_name); + launch_environment->priv->user_name = g_strdup (name); +} + +static void +_gdm_launch_environment_set_runtime_dir (GdmLaunchEnvironment *launch_environment, + const char *dir) +{ + g_free (launch_environment->priv->runtime_dir); + launch_environment->priv->runtime_dir = g_strdup (dir); +} + +static void +_gdm_launch_environment_set_command (GdmLaunchEnvironment *launch_environment, + const char *name) +{ + g_free (launch_environment->priv->command); + launch_environment->priv->command = g_strdup (name); +} + +static void +gdm_launch_environment_set_property (GObject *object, + guint prop_id, + const GValue *value, + GParamSpec *pspec) +{ + GdmLaunchEnvironment *self; + + self = GDM_LAUNCH_ENVIRONMENT (object); + + switch (prop_id) { + case PROP_VERIFICATION_MODE: + _gdm_launch_environment_set_verification_mode (self, g_value_get_enum (value)); + break; + case PROP_SESSION_TYPE: + _gdm_launch_environment_set_session_type (self, g_value_get_string (value)); + break; + case PROP_SESSION_MODE: + _gdm_launch_environment_set_session_mode (self, g_value_get_string (value)); + break; + case PROP_X11_DISPLAY_NAME: + _gdm_launch_environment_set_x11_display_name (self, g_value_get_string (value)); + break; + case PROP_X11_DISPLAY_SEAT_ID: + _gdm_launch_environment_set_x11_display_seat_id (self, g_value_get_string (value)); + break; + case PROP_X11_DISPLAY_HOSTNAME: + _gdm_launch_environment_set_x11_display_hostname (self, g_value_get_string (value)); + break; + case PROP_X11_DISPLAY_DEVICE: + _gdm_launch_environment_set_x11_display_device (self, g_value_get_string (value)); + break; + case PROP_X11_DISPLAY_IS_LOCAL: + _gdm_launch_environment_set_x11_display_is_local (self, g_value_get_boolean (value)); + break; + case PROP_X11_AUTHORITY_FILE: + _gdm_launch_environment_set_x11_authority_file (self, g_value_get_string (value)); + break; + case PROP_USER_NAME: + _gdm_launch_environment_set_user_name (self, g_value_get_string (value)); + break; + case PROP_RUNTIME_DIR: + _gdm_launch_environment_set_runtime_dir (self, g_value_get_string (value)); + break; + case PROP_COMMAND: + _gdm_launch_environment_set_command (self, g_value_get_string (value)); + break; + default: + G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); + break; + } +} + +static void +gdm_launch_environment_get_property (GObject *object, + guint prop_id, + GValue *value, + GParamSpec *pspec) +{ + GdmLaunchEnvironment *self; + + self = GDM_LAUNCH_ENVIRONMENT (object); + + switch (prop_id) { + case PROP_VERIFICATION_MODE: + g_value_set_enum (value, self->priv->verification_mode); + break; + case PROP_SESSION_TYPE: + g_value_set_string (value, self->priv->session_type); + break; + case PROP_SESSION_MODE: + g_value_set_string (value, self->priv->session_mode); + break; + case PROP_X11_DISPLAY_NAME: + g_value_set_string (value, self->priv->x11_display_name); + break; + case PROP_X11_DISPLAY_SEAT_ID: + g_value_set_string (value, self->priv->x11_display_seat_id); + break; + case PROP_X11_DISPLAY_HOSTNAME: + g_value_set_string (value, self->priv->x11_display_hostname); + break; + case PROP_X11_DISPLAY_DEVICE: + g_value_set_string (value, self->priv->x11_display_device); + break; + case PROP_X11_DISPLAY_IS_LOCAL: + g_value_set_boolean (value, self->priv->x11_display_is_local); + break; + case PROP_X11_AUTHORITY_FILE: + g_value_set_string (value, self->priv->x11_authority_file); + break; + case PROP_USER_NAME: + g_value_set_string (value, self->priv->user_name); + break; + case PROP_RUNTIME_DIR: + g_value_set_string (value, self->priv->runtime_dir); + break; + case PROP_COMMAND: + g_value_set_string (value, self->priv->command); + break; + default: + G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); + break; + } +} + +static void +gdm_launch_environment_class_init (GdmLaunchEnvironmentClass *klass) +{ + GObjectClass *object_class = G_OBJECT_CLASS (klass); + + object_class->get_property = gdm_launch_environment_get_property; + object_class->set_property = gdm_launch_environment_set_property; + object_class->finalize = gdm_launch_environment_finalize; + + 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_PARAM_STATIC_STRINGS)); + g_object_class_install_property (object_class, + PROP_SESSION_TYPE, + g_param_spec_string ("session-type", + NULL, + NULL, + NULL, + G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)); + g_object_class_install_property (object_class, + PROP_SESSION_MODE, + g_param_spec_string ("session-mode", + NULL, + NULL, + NULL, + G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)); + g_object_class_install_property (object_class, + PROP_X11_DISPLAY_NAME, + g_param_spec_string ("x11-display-name", + "name", + "name", + NULL, + G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY | G_PARAM_STATIC_STRINGS)); + g_object_class_install_property (object_class, + PROP_X11_DISPLAY_SEAT_ID, + g_param_spec_string ("x11-display-seat-id", + "seat id", + "seat id", + NULL, + G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY | G_PARAM_STATIC_STRINGS)); + g_object_class_install_property (object_class, + PROP_X11_DISPLAY_HOSTNAME, + g_param_spec_string ("x11-display-hostname", + "hostname", + "hostname", + NULL, + G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY | G_PARAM_STATIC_STRINGS)); + g_object_class_install_property (object_class, + PROP_X11_DISPLAY_DEVICE, + g_param_spec_string ("x11-display-device", + "device", + "device", + NULL, + G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)); + g_object_class_install_property (object_class, + PROP_X11_DISPLAY_IS_LOCAL, + g_param_spec_boolean ("x11-display-is-local", + "is local", + "is local", + FALSE, + G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY | G_PARAM_STATIC_STRINGS)); + g_object_class_install_property (object_class, + PROP_X11_AUTHORITY_FILE, + g_param_spec_string ("x11-authority-file", + "authority file", + "authority file", + NULL, + G_PARAM_READWRITE | G_PARAM_CONSTRUCT | G_PARAM_STATIC_STRINGS)); + g_object_class_install_property (object_class, + PROP_USER_NAME, + g_param_spec_string ("user-name", + "user name", + "user name", + GDM_USERNAME, + G_PARAM_READWRITE | G_PARAM_CONSTRUCT | G_PARAM_STATIC_STRINGS)); + g_object_class_install_property (object_class, + PROP_RUNTIME_DIR, + g_param_spec_string ("runtime-dir", + "runtime dir", + "runtime dir", + NULL, + G_PARAM_READWRITE | G_PARAM_CONSTRUCT | G_PARAM_STATIC_STRINGS)); + g_object_class_install_property (object_class, + PROP_COMMAND, + g_param_spec_string ("command", + "command", + "command", + NULL, + G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY | G_PARAM_STATIC_STRINGS)); + signals [OPENED] = + g_signal_new ("opened", + G_OBJECT_CLASS_TYPE (object_class), + G_SIGNAL_RUN_FIRST, + G_STRUCT_OFFSET (GdmLaunchEnvironmentClass, opened), + NULL, + NULL, + g_cclosure_marshal_VOID__VOID, + G_TYPE_NONE, + 0); + signals [STARTED] = + g_signal_new ("started", + G_OBJECT_CLASS_TYPE (object_class), + G_SIGNAL_RUN_FIRST, + G_STRUCT_OFFSET (GdmLaunchEnvironmentClass, started), + NULL, + NULL, + g_cclosure_marshal_VOID__VOID, + G_TYPE_NONE, + 0); + signals [STOPPED] = + g_signal_new ("stopped", + G_OBJECT_CLASS_TYPE (object_class), + G_SIGNAL_RUN_FIRST, + G_STRUCT_OFFSET (GdmLaunchEnvironmentClass, stopped), + NULL, + NULL, + g_cclosure_marshal_VOID__VOID, + G_TYPE_NONE, + 0); + signals [EXITED] = + g_signal_new ("exited", + G_OBJECT_CLASS_TYPE (object_class), + G_SIGNAL_RUN_FIRST, + G_STRUCT_OFFSET (GdmLaunchEnvironmentClass, exited), + NULL, + NULL, + g_cclosure_marshal_VOID__INT, + G_TYPE_NONE, + 1, + G_TYPE_INT); + signals [DIED] = + g_signal_new ("died", + G_OBJECT_CLASS_TYPE (object_class), + G_SIGNAL_RUN_FIRST, + G_STRUCT_OFFSET (GdmLaunchEnvironmentClass, died), + NULL, + NULL, + g_cclosure_marshal_VOID__INT, + G_TYPE_NONE, + 1, + G_TYPE_INT); + + signals [HOSTNAME_SELECTED] = + g_signal_new ("hostname-selected", + G_OBJECT_CLASS_TYPE (object_class), + G_SIGNAL_RUN_FIRST, + G_STRUCT_OFFSET (GdmLaunchEnvironmentClass, hostname_selected), + NULL, + NULL, + g_cclosure_marshal_VOID__STRING, + G_TYPE_NONE, + 1, + G_TYPE_STRING); +} + +static void +gdm_launch_environment_init (GdmLaunchEnvironment *launch_environment) +{ + + launch_environment->priv = gdm_launch_environment_get_instance_private (launch_environment); + + launch_environment->priv->command = NULL; + launch_environment->priv->session = NULL; +} + +static void +gdm_launch_environment_finalize (GObject *object) +{ + GdmLaunchEnvironment *launch_environment; + + g_return_if_fail (object != NULL); + g_return_if_fail (GDM_IS_LAUNCH_ENVIRONMENT (object)); + + launch_environment = GDM_LAUNCH_ENVIRONMENT (object); + + g_return_if_fail (launch_environment->priv != NULL); + + gdm_launch_environment_stop (launch_environment); + + if (launch_environment->priv->session) { + g_object_unref (launch_environment->priv->session); + } + + g_free (launch_environment->priv->command); + g_free (launch_environment->priv->user_name); + g_free (launch_environment->priv->runtime_dir); + g_free (launch_environment->priv->x11_display_name); + g_free (launch_environment->priv->x11_display_seat_id); + g_free (launch_environment->priv->x11_display_device); + g_free (launch_environment->priv->x11_display_hostname); + g_free (launch_environment->priv->x11_authority_file); + g_free (launch_environment->priv->session_id); + g_free (launch_environment->priv->session_type); + + G_OBJECT_CLASS (gdm_launch_environment_parent_class)->finalize (object); +} + +static GdmLaunchEnvironment * +create_gnome_session_environment (const char *session_id, + const char *user_name, + const char *display_name, + const char *seat_id, + const char *session_type, + const char *session_mode, + const char *display_hostname, + gboolean display_is_local) +{ + gboolean debug = FALSE; + char *command; + GdmLaunchEnvironment *launch_environment; + char **argv; + GPtrArray *args; + + gdm_settings_direct_get_boolean (GDM_KEY_DEBUG, &debug); + + args = g_ptr_array_new (); + g_ptr_array_add (args, "gnome-session"); + + g_ptr_array_add (args, "--autostart"); + g_ptr_array_add (args, DATADIR "/gdm/greeter/autostart"); + + if (debug) { + g_ptr_array_add (args, "--debug"); + } + + if (session_id != NULL) { + g_ptr_array_add (args, " --session"); + g_ptr_array_add (args, (char *) session_id); + } + + g_ptr_array_add (args, NULL); + + argv = (char **) g_ptr_array_free (args, FALSE); + command = g_strjoinv (" ", argv); + g_free (argv); + + launch_environment = g_object_new (GDM_TYPE_LAUNCH_ENVIRONMENT, + "command", command, + "user-name", user_name, + "session-type", session_type, + "session-mode", session_mode, + "x11-display-name", display_name, + "x11-display-seat-id", seat_id, + "x11-display-hostname", display_hostname, + "x11-display-is-local", display_is_local, + "runtime-dir", GDM_SCREENSHOT_DIR, + NULL); + + g_free (command); + return launch_environment; +} + +GdmLaunchEnvironment * +gdm_create_greeter_launch_environment (const char *display_name, + const char *seat_id, + const char *session_type, + const char *display_hostname, + gboolean display_is_local) +{ + const char *session_name = NULL; + + return create_gnome_session_environment (session_name, + GDM_USERNAME, + display_name, + seat_id, + session_type, + GDM_SESSION_MODE, + display_hostname, + display_is_local); +} + +GdmLaunchEnvironment * +gdm_create_initial_setup_launch_environment (const char *display_name, + const char *seat_id, + const char *session_type, + const char *display_hostname, + gboolean display_is_local) +{ + return create_gnome_session_environment ("gnome-initial-setup", + INITIAL_SETUP_USERNAME, + display_name, + seat_id, + session_type, + INITIAL_SETUP_SESSION_MODE, + display_hostname, + display_is_local); +} + +GdmLaunchEnvironment * +gdm_create_chooser_launch_environment (const char *display_name, + const char *seat_id, + const char *display_hostname) + +{ + GdmLaunchEnvironment *launch_environment; + + launch_environment = g_object_new (GDM_TYPE_LAUNCH_ENVIRONMENT, + "command", LIBEXECDIR "/gdm-simple-chooser", + "verification-mode", GDM_SESSION_VERIFICATION_MODE_CHOOSER, + "user-name", GDM_USERNAME, + "x11-display-name", display_name, + "x11-display-seat-id", seat_id, + "x11-display-hostname", display_hostname, + "x11-display-is-local", FALSE, + "runtime-dir", GDM_SCREENSHOT_DIR, + NULL); + + return launch_environment; +} + |