diff options
Diffstat (limited to 'gui/gdmsession.c')
| -rw-r--r-- | gui/gdmsession.c | 479 |
1 files changed, 0 insertions, 479 deletions
diff --git a/gui/gdmsession.c b/gui/gdmsession.c deleted file mode 100644 index 76b788ac..00000000 --- a/gui/gdmsession.c +++ /dev/null @@ -1,479 +0,0 @@ -/* GDM - The GNOME Display Manager - * Copyright (C) 1999, 2000 Martin K. Petersen <mkp@mkp.net> - * - * This file Copyright (c) 2003 George Lebl - * - Common routines for the greeters. - * - * 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - */ - -#include "config.h" - -#include <unistd.h> -#include <dirent.h> -#include <gtk/gtk.h> -#include <glib/gi18n.h> - -#include "vicious.h" - -#include "gdm.h" -#include "gdmsession.h" -#include "gdmcommon.h" -#include "gdmconfig.h" -#include "gdmwm.h" - -GHashTable *sessnames = NULL; -gchar *default_session = NULL; -const gchar *current_session = NULL; -GList *sessions = NULL; -static gint save_session = GTK_RESPONSE_NO; - - -/* This is true if session dir doesn't exist or is whacked out - * in some way or another */ -gboolean session_dir_whacked_out = FALSE; - -gint -gdm_session_sort_func (const char *a, const char *b) -{ - /* Put default and GNOME sessions at the top */ - if (strcmp (a, ve_sure_string (gdm_config_get_string (GDM_KEY_DEFAULT_SESSION))) == 0) - return -1; - - if (strcmp (b, ve_sure_string (gdm_config_get_string (GDM_KEY_DEFAULT_SESSION))) == 0) - return 1; - - if (strcmp (a, "default.desktop") == 0) - return -1; - - if (strcmp (b, "default.desktop") == 0) - return 1; - - if (strcmp (a, "gnome.desktop") == 0) - return -1; - - if (strcmp (b, "gnome.desktop") == 0) - return 1; - - /* put failsafe sessions on the bottom */ - if (strcmp (b, GDM_SESSION_FAILSAFE_XTERM) == 0) - return -1; - - if (strcmp (a, GDM_SESSION_FAILSAFE_XTERM) == 0) - return 1; - - if (strcmp (b, GDM_SESSION_FAILSAFE_GNOME) == 0) - return -1; - - if (strcmp (a, GDM_SESSION_FAILSAFE_GNOME) == 0) - return 1; - - /* put everything else in the middle in alphabetical order */ - return strcmp (a, b); -} - -const char * -gdm_session_name (const char *name) -{ - GdmSession *session; - - /* eek */ - if G_UNLIKELY (name == NULL) - return "(null)"; - - session = g_hash_table_lookup (sessnames, name); - if (session != NULL && !ve_string_empty (session->name)) - return session->name; - else - return name; -} - -void -gdm_session_list_from_hash_table_func (const char *key, const char *value, - GList **sessions) -{ - *sessions = g_list_prepend (*sessions, g_strdup (key)); -} - - -void -gdm_session_list_init () -{ - GdmSession *session = NULL; - gboolean some_dir_exists = FALSE; - gboolean searching_for_default = TRUE; - struct dirent *dent; - char **vec; - char *name; - DIR *sessdir; - int i; - - sessnames = g_hash_table_new (g_str_hash, g_str_equal); - - if (gdm_config_get_bool (GDM_KEY_SHOW_GNOME_FAILSAFE)) { - session = g_new0 (GdmSession, 1); - session->name = g_strdup (_("Failsafe _GNOME")); - session->comment = g_strdup (_("This is a failsafe session that will log you " - "into GNOME. No startup scripts will be read " - "and it is only to be used when you can't log " - "in otherwise. GNOME will use the 'Default' " - "session.")); - g_hash_table_insert (sessnames, g_strdup (GDM_SESSION_FAILSAFE_GNOME), session); - } - - if (gdm_config_get_bool (GDM_KEY_SHOW_XTERM_FAILSAFE)) { - session = g_new0 (GdmSession, 1); - session->name = g_strdup (_("Failsafe _Terminal")); - session->comment = g_strdup (_("This is a failsafe session that will log you " - "into a terminal. No startup scripts will be read " - "and it is only to be used when you can't log " - "in otherwise. To exit the terminal, " - "type 'exit'.")); - g_hash_table_insert (sessnames, g_strdup (GDM_SESSION_FAILSAFE_XTERM), - session); - } - - vec = g_strsplit (gdm_config_get_string (GDM_KEY_SESSION_DESKTOP_DIR), - ":", -1); - for (i = 0; vec != NULL && vec[i] != NULL; i++) { - const char *dir = vec[i]; - - /* Check that session dir is readable */ - if G_UNLIKELY (dir == NULL || access (dir, R_OK|X_OK) != 0) - continue; - - some_dir_exists = TRUE; - - /* Read directory entries in session dir */ - sessdir = opendir (dir); - - if G_LIKELY (sessdir != NULL) - dent = readdir (sessdir); - else - dent = NULL; - - while (dent != NULL) { - VeConfig *cfg; - char *exec; - char *comment; - char *s; - char *tryexec; - char *ext; - - /* ignore everything but the .desktop files */ - ext = strstr (dent->d_name, ".desktop"); - if (ext == NULL || - strcmp (ext, ".desktop") != 0) { - dent = readdir (sessdir); - continue; - } - - /* already found this session, ignore */ - if (g_hash_table_lookup (sessnames, dent->d_name) != NULL) { - dent = readdir (sessdir); - continue; - } - - s = g_strconcat (dir, "/", dent->d_name, NULL); - cfg = ve_config_new (s); - g_free (s); - - if (ve_config_get_bool (cfg, "Desktop Entry/Hidden=false")) { - session = g_new0 (GdmSession, 1); - session->name = "foo"; - g_hash_table_insert (sessnames, g_strdup (dent->d_name), session); - ve_config_destroy (cfg); - dent = readdir (sessdir); - continue; - } - - tryexec = ve_config_get_string (cfg, "Desktop Entry/TryExec"); - if ( ! ve_string_empty (tryexec)) { - char *full = g_find_program_in_path (tryexec); - if (full == NULL) { - session = g_new0 (GdmSession, 1); - session->name = "foo"; - g_hash_table_insert (sessnames, g_strdup (dent->d_name), - session); - g_free (tryexec); - ve_config_destroy (cfg); - dent = readdir (sessdir); - continue; - } - g_free (full); - } - g_free (tryexec); - - exec = ve_config_get_string (cfg, "Desktop Entry/Exec"); - name = ve_config_get_translated_string (cfg, "Desktop Entry/Name"); - comment = ve_config_get_translated_string (cfg, "Desktop Entry/Comment"); - - ve_config_destroy (cfg); - - if G_UNLIKELY (ve_string_empty (exec) || ve_string_empty (name)) { - session = g_new0 (GdmSession, 1); - session->name = "foo"; - g_hash_table_insert (sessnames, g_strdup (dent->d_name), session); - g_free (exec); - g_free (name); - g_free (comment); - dent = readdir (sessdir); - continue; - } - - /* if we found the default session */ - if ( ! ve_string_empty (gdm_config_get_string (GDM_KEY_DEFAULT_SESSION)) && - strcmp (dent->d_name, gdm_config_get_string (GDM_KEY_DEFAULT_SESSION)) == 0) { - g_free (default_session); - default_session = g_strdup (dent->d_name); - searching_for_default = FALSE; - } - - /* if there is a session called Default */ - if (searching_for_default && - g_ascii_strcasecmp (dent->d_name, "default.desktop") == 0) { - g_free (default_session); - default_session = g_strdup (dent->d_name); - } - - if (searching_for_default && - g_ascii_strcasecmp (dent->d_name, "gnome.desktop") == 0) { - /* Just in case there is no default session and - * no default link, make gnome the default */ - if (default_session == NULL) - default_session = g_strdup (dent->d_name); - - } - - session = g_new0 (GdmSession, 1); - session->name = g_strdup (name); - session->comment = g_strdup (comment); - g_hash_table_insert (sessnames, g_strdup (dent->d_name), session); - g_free (exec); - g_free (comment); - dent = readdir (sessdir); - } - - if G_LIKELY (sessdir != NULL) - closedir (sessdir); - } - - g_strfreev (vec); - - /* Check that session dir is readable */ - if G_UNLIKELY ( ! some_dir_exists) { - gdm_common_error ("%s: Session directory <%s> not found!", - "gdm_session_list_init", ve_sure_string - (gdm_config_get_string (GDM_KEY_SESSION_DESKTOP_DIR))); - session_dir_whacked_out = TRUE; - } - - if G_UNLIKELY (g_hash_table_size (sessnames) == 0) { - gdm_common_warning ("Error, no sessions found in the session directory <%s>.", - ve_sure_string (gdm_config_get_string (GDM_KEY_SESSION_DESKTOP_DIR))); - - session_dir_whacked_out = TRUE; - default_session = g_strdup (GDM_SESSION_FAILSAFE_GNOME); - } - - - if (gdm_config_get_bool (GDM_KEY_SHOW_GNOME_FAILSAFE)) { - session = g_new0 (GdmSession, 1); - session->name = g_strdup (_("Failsafe _GNOME")); - session->comment = g_strdup (_("This is a failsafe session that will log you " - "into GNOME. No startup scripts will be read " - "and it is only to be used when you can't log " - "in otherwise. GNOME will use the 'Default' " - "session.")); - g_hash_table_insert (sessnames, - g_strdup (GDM_SESSION_FAILSAFE_GNOME), session); - } - - if (gdm_config_get_bool (GDM_KEY_SHOW_XTERM_FAILSAFE)) { - session = g_new0 (GdmSession, 1); - session->name = g_strdup (_("Failsafe _Terminal")); - session->comment = g_strdup (_("This is a failsafe session that will log you " - "into a terminal. No startup scripts will be read " - "and it is only to be used when you can't log " - "in otherwise. To exit the terminal, " - "type 'exit'.")); - g_hash_table_insert (sessnames, - g_strdup (GDM_SESSION_FAILSAFE_XTERM), session); - } - - /* Convert to list (which is unsorted) */ - g_hash_table_foreach (sessnames, - (GHFunc) gdm_session_list_from_hash_table_func, &sessions); - - /* Prioritize and sort the list */ - sessions = g_list_sort (sessions, (GCompareFunc) gdm_session_sort_func); - - if G_UNLIKELY (default_session == NULL) { - default_session = g_strdup (GDM_SESSION_FAILSAFE_GNOME); - gdm_common_warning ("No default session link found. Using Failsafe GNOME."); - } - - if (current_session == NULL) - current_session = default_session; -} - -static gboolean -gdm_login_list_lookup (GList *l, const gchar *data) -{ - GList *list = l; - - if (list == NULL || data == NULL) - return FALSE; - - /* FIXME: Hack, will support these builtin types later */ - if (strcmp (data, GDM_SESSION_DEFAULT ".desktop") == 0 || - strcmp (data, GDM_SESSION_CUSTOM ".desktop") == 0 || - strcmp (data, GDM_SESSION_FAILSAFE ".desktop") == 0) { - return TRUE; - } - - while (list) { - - if (strcmp (list->data, data) == 0) - return TRUE; - - list = list->next; - } - - return FALSE; -} - -char * -gdm_session_lookup (const char *saved_session) -{ - gchar *session = NULL; - - /* Don't save session unless told otherwise */ - save_session = GTK_RESPONSE_NO; - - /* Previously saved session not found in ~/.dmrc */ - if ( ! (saved_session != NULL && - strcmp ("(null)", saved_session) != 0 && - saved_session[0] != '\0')) { - /* If "Last" is chosen run default, - * else run user's current selection */ - if (current_session == NULL || strcmp (current_session, LAST_SESSION) == 0) - session = g_strdup (default_session); - else - session = g_strdup (current_session); - - save_session = GTK_RESPONSE_YES; - return session; - } - - /* If "Last" session is selected */ - if (current_session == NULL || - strcmp (current_session, LAST_SESSION) == 0) - { - session = g_strdup (saved_session); - - /* Check if user's saved session exists on this box */ - if (!gdm_login_list_lookup (sessions, session)) - { - gchar *firstmsg; - gchar *secondmsg; - - g_free (session); - session = g_strdup (default_session); - firstmsg = g_strdup_printf (_("Do you wish to make %s the default for " - "future sessions?"), - gdm_session_name (saved_session)); - secondmsg = g_strdup_printf (_("Your preferred session type %s is not " - "installed on this computer."), - gdm_session_name (default_session)); - save_session = gdm_wm_query_dialog (firstmsg, secondmsg, - _("Make _Default"), _("Just _Log In"), TRUE); - g_free (firstmsg); - g_free (secondmsg); - } - } - else /* One of the other available session types is selected */ - { - session = g_strdup (current_session); - - /* User's saved session is not the chosen one */ - if (strcmp (session, GDM_SESSION_FAILSAFE_GNOME) == 0 || - strcmp (session, GDM_SESSION_FAILSAFE_XTERM) == 0 || - g_ascii_strcasecmp (session, GDM_SESSION_FAILSAFE ".desktop") == 0 || - g_ascii_strcasecmp (session, GDM_SESSION_FAILSAFE) == 0) - { - /* - * Never save failsafe sessions as the default session. - * These are intended to be used for debugging or temporary - * purposes. - */ - save_session = GTK_RESPONSE_NO; - } - else if (strcmp (saved_session, session) != 0) - { - gchar *firstmsg = NULL; - gchar *secondmsg = NULL; - - if (gdm_config_get_bool (GDM_KEY_SHOW_LAST_SESSION)) - { - firstmsg = g_strdup_printf (_("Do you wish to make %s the default for " - "future sessions?"), - gdm_session_name (session)); - secondmsg = g_strdup_printf (_("You have chosen %s for this " - "session, but your default " - "setting is %s."), - gdm_session_name (session), - gdm_session_name (saved_session)); - save_session = gdm_wm_query_dialog (firstmsg, secondmsg, - _("Make _Default"), _("Just For _This Session"), TRUE); - } - else if (strcmp (session, default_session) != 0 && - strcmp (session, saved_session) != 0 && - strcmp (session, LAST_SESSION) != 0) - { - /* - * If (! GDM_KEY_SHOW_LAST_SESSION) then our saved session is - * irrelevant, we are in "switchdesk mode" and the relevant - * thing is the saved session in .Xclients - */ - if (g_access ("/usr/bin/switchdesk", F_OK) == 0) - { - firstmsg = g_strdup_printf (_("You have chosen %s for this " - "session"), - gdm_session_name (session)); - secondmsg = g_strdup_printf (_("If you wish to make %s " - "the default for future sessions, " - "run the 'switchdesk' utility " - "(System->Desktop Switching Tool from " - "the panel menu)."), - gdm_session_name (session)); - gdm_wm_message_dialog (firstmsg, secondmsg); - } - save_session = GTK_RESPONSE_NO; - } - g_free (firstmsg); - g_free (secondmsg); - } - } - - return session; -} - -gint -gdm_get_save_session (void) -{ - return save_session; -} - |