2007-01-18 [colin] 2.7.1cvs25
[claws.git] / src / main.c
1 /*
2  * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
3  * Copyright (C) 1999-2007 Hiroyuki Yamamoto and the Claws Mail team
4  *
5  * This program is free software; you can redistribute it and/or modify
6  * it under the terms of the GNU General Public License as published by
7  * the Free Software Foundation; either version 2 of the License, or
8  * (at your option) any later version.
9  *
10  * This program is distributed in the hope that it will be useful,
11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
13  * GNU General Public License for more details.
14  *
15  * You should have received a copy of the GNU General Public License
16  * along with this program; if not, write to the Free Software
17  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
18  */
19
20 #ifdef HAVE_CONFIG_H
21 #  include "config.h"
22 #endif
23
24 #include "defs.h"
25
26 #include <glib.h>
27 #include <glib/gi18n.h>
28 #include <gtk/gtkmain.h>
29 #include <gtk/gtkrc.h>
30
31 #include <stdio.h>
32 #include <stdlib.h>
33 #include <string.h>
34 #include <ctype.h>
35 #include <unistd.h>
36 #include <time.h>
37 #include <sys/stat.h>
38 #include <sys/types.h>
39 #ifdef G_OS_UNIX
40 #  include <signal.h>
41 #endif
42 #ifdef HAVE_LIBSM
43 #include <X11/SM/SMlib.h>
44 #include <fcntl.h>
45 #endif
46
47 #include "wizard.h"
48 #ifdef HAVE_STARTUP_NOTIFICATION
49 # define SN_API_NOT_YET_FROZEN
50 # include <libsn/sn-launchee.h>
51 # include <gdk/gdkx.h>
52 #endif
53
54 #include "claws.h"
55 #include "main.h"
56 #include "mainwindow.h"
57 #include "folderview.h"
58 #include "image_viewer.h"
59 #include "summaryview.h"
60 #include "prefs_common.h"
61 #include "prefs_account.h"
62 #include "prefs_actions.h"
63 #include "prefs_ext_prog.h"
64 #include "prefs_fonts.h"
65 #include "prefs_image_viewer.h"
66 #include "prefs_message.h"
67 #include "prefs_receive.h"
68 #include "prefs_msg_colors.h"
69 #include "prefs_quote.h"
70 #include "prefs_spelling.h"
71 #include "prefs_summaries.h"
72 #include "prefs_themes.h"
73 #include "prefs_other.h"
74 #include "prefs_send.h"
75 #include "prefs_wrapping.h"
76 #include "prefs_compose_writing.h"
77 #include "prefs_display_header.h"
78 #include "account.h"
79 #include "procmsg.h"
80 #include "inc.h"
81 #include "import.h"
82 #include "manage_window.h"
83 #include "alertpanel.h"
84 #include "statusbar.h"
85 #include "addressbook.h"
86 #include "compose.h"
87 #include "folder.h"
88 #include "setup.h"
89 #include "utils.h"
90 #include "gtkutils.h"
91 #include "socket.h"
92 #include "log.h"
93 #include "prefs_toolbar.h"
94 #include "plugin.h"
95 #include "mh_gtk.h"
96 #include "imap_gtk.h"
97 #include "news_gtk.h"
98 #include "matcher.h"
99 #ifdef HAVE_LIBETPAN
100 #include "imap-thread.h"
101 #endif
102 #include "stock_pixmap.h"
103
104 #if USE_OPENSSL
105 #  include "ssl.h"
106 #endif
107
108 #include "version.h"
109
110 #include "crash.h"
111
112 #include "timing.h"
113
114 gchar *prog_version;
115 gchar *argv0;
116
117 #ifdef HAVE_STARTUP_NOTIFICATION
118 static SnLauncheeContext *sn_context = NULL;
119 static SnDisplay *sn_display = NULL;
120 #endif
121
122 static gint lock_socket = -1;
123 static gint lock_socket_tag = 0;
124
125 typedef enum 
126 {
127         ONLINE_MODE_DONT_CHANGE,
128         ONLINE_MODE_ONLINE,
129         ONLINE_MODE_OFFLINE
130 } OnlineMode;
131
132 static struct RemoteCmd {
133         gboolean receive;
134         gboolean receive_all;
135         gboolean compose;
136         const gchar *compose_mailto;
137         GPtrArray *attach_files;
138         gboolean status;
139         gboolean status_full;
140         GPtrArray *status_folders;
141         GPtrArray *status_full_folders;
142         gboolean send;
143         gboolean crash;
144         int online_mode;
145         gchar   *crash_params;
146         gboolean exit;
147         gboolean subscribe;
148         const gchar *subscribe_uri;
149         const gchar *target;
150 } cmd;
151
152 static void parse_cmd_opt(int argc, char *argv[]);
153
154 static gint prohibit_duplicate_launch   (void);
155 static gchar * get_crashfile_name       (void);
156 static gint lock_socket_remove          (void);
157 static void lock_socket_input_cb        (gpointer          data,
158                                          gint              source,
159                                          GdkInputCondition condition);
160
161 gchar *get_socket_name          (void);
162
163
164 static void open_compose_new            (const gchar    *address,
165                                          GPtrArray      *attach_files);
166
167 static void send_queue                  (void);
168 static void initial_processing          (FolderItem *item, gpointer data);
169 static void quit_signal_handler         (int sig);
170 static void install_basic_sighandlers   (void);
171 static void exit_claws                  (MainWindow *mainwin);
172
173 #define MAKE_DIR_IF_NOT_EXIST(dir) \
174 { \
175         if (!is_dir_exist(dir)) { \
176                 if (is_file_exist(dir)) { \
177                         alertpanel_warning \
178                                 (_("File '%s' already exists.\n" \
179                                    "Can't create folder."), \
180                                  dir); \
181                         return 1; \
182                 } \
183                 if (make_dir(dir) < 0) \
184                         return 1; \
185         } \
186 }
187
188 static MainWindow *static_mainwindow;
189 static gboolean emergency_exit = FALSE;
190
191 #ifdef HAVE_STARTUP_NOTIFICATION
192 static void sn_error_trap_push(SnDisplay *display, Display *xdisplay)
193 {
194         gdk_error_trap_push();
195 }
196
197 static void sn_error_trap_pop(SnDisplay *display, Display *xdisplay)
198 {
199         gdk_error_trap_pop();
200 }
201
202 static void startup_notification_complete(gboolean with_window)
203 {
204         Display *xdisplay;
205         GtkWidget *hack = NULL;
206
207         if (with_window) {
208                 /* this is needed to make the startup notification leave,
209                  * if we have been launched from a menu.
210                  * We have to display a window, so let it be very little */
211                 hack = gtk_window_new(GTK_WINDOW_POPUP);
212                 gtk_widget_set_uposition(hack, 0, 0);
213                 gtk_widget_set_size_request(hack, 1, 1);
214                 gtk_widget_show(hack);
215         }
216
217         xdisplay = GDK_DISPLAY();
218         sn_display = sn_display_new(xdisplay,
219                                 sn_error_trap_push,
220                                 sn_error_trap_pop);
221         sn_context = sn_launchee_context_new_from_environment(sn_display,
222                                                  DefaultScreen(xdisplay));
223
224         if (sn_context != NULL) {
225                 sn_launchee_context_complete(sn_context);
226                 sn_launchee_context_unref(sn_context);
227                 sn_display_unref(sn_display);
228         }
229         if (with_window) {
230                 gtk_widget_destroy(hack);
231         }
232 }
233 #endif /* HAVE_STARTUP_NOTIFICATION */
234
235 void claws_gtk_idle(void) 
236 {
237         while(gtk_events_pending()) {
238                 gtk_main_iteration();
239         }
240         g_usleep(50000);
241 }
242
243 gboolean defer_check_all(void *data)
244 {
245         gboolean autochk = GPOINTER_TO_INT(data);
246
247         inc_all_account_mail(static_mainwindow, autochk, 
248                         prefs_common.newmail_notify_manu);
249
250         return FALSE;
251 }
252
253 gboolean defer_check(void *data)
254 {
255         inc_mail(static_mainwindow, prefs_common.newmail_notify_manu);
256
257         return FALSE;
258 }
259
260 static gboolean defer_jump(void *data)
261 {
262         mainwindow_jump_to(data);
263         return FALSE;
264 }
265
266 static void chk_update_val(GtkWidget *widget, gpointer data)
267 {
268         gboolean *val = (gboolean *)data;
269         *val = gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(widget));
270 }
271
272 static gboolean migrate_old_config(const gchar *old_cfg_dir, const gchar *new_cfg_dir, const gchar *oldversion)
273 {
274         gchar *message = g_strdup_printf(_("Configuration for %s (or previous) found.\n"
275                          "Do you want to migrate this configuration?"), oldversion);
276         gint r = 0;
277         GtkWidget *window = NULL;
278         GtkWidget *keep_backup_chk;
279         GtkTooltips *tips = gtk_tooltips_new();
280         gboolean backup = TRUE;
281
282         keep_backup_chk = gtk_check_button_new_with_label (_("Keep old configuration"));
283         gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(keep_backup_chk), TRUE);
284         gtk_tooltips_set_tip(GTK_TOOLTIPS(tips), keep_backup_chk,
285                              _("Keeping a backup will allow you to go back to an "
286                                "older version, but may take a while if you have "
287                                "cached IMAP or News data, and will take some extra "
288                                "room on your disk."),
289                              NULL);
290
291         g_signal_connect(G_OBJECT(keep_backup_chk), "toggled", 
292                         G_CALLBACK(chk_update_val), &backup);
293
294         if (alertpanel_full(_("Migration of configuration"), message,
295                         GTK_STOCK_NO, "+" GTK_STOCK_YES, NULL, FALSE,
296                         keep_backup_chk, ALERT_QUESTION, G_ALERTDEFAULT) != G_ALERTALTERNATE) {
297                 return FALSE;
298         }
299         
300         /* we can either do a fast migration requiring not any extra disk
301          * space, or a slow one that copies the old configuration and leaves
302          * it in place. */
303         if (backup) {
304 backup_mode:
305                 window = label_window_create(_("Copying configuration... This may take a while..."));
306                 GTK_EVENTS_FLUSH();
307                 
308                 r = copy_dir(old_cfg_dir, new_cfg_dir);
309                 gtk_widget_destroy(window);
310                 
311                 /* if copy failed, we'll remove the partially copied
312                  * new directory */
313                 if (r != 0) {
314                         alertpanel_error(_("Migration failed!"));
315                         remove_dir_recursive(new_cfg_dir);
316                 } else {
317                         if (!backup) {
318                                 /* fast mode failed, but we don't want backup */
319                                 remove_dir_recursive(old_cfg_dir);
320                         }
321                 }
322         } else {
323                 window = label_window_create(_("Migrating configuration..."));
324                 GTK_EVENTS_FLUSH();
325                 
326                 r = g_rename(old_cfg_dir, new_cfg_dir);
327                 gtk_widget_destroy(window);
328                 
329                 /* if g_rename failed, we'll try to copy */
330                 if (r != 0) {
331                         FILE_OP_ERROR(new_cfg_dir, "g_rename failed, trying copy\n");
332                         goto backup_mode;
333                 }
334         }
335         return (r == 0);
336 }
337
338 static void migrate_common_rc(const gchar *old_rc, const gchar *new_rc)
339 {
340         FILE *oldfp, *newfp;
341         gchar *plugin_path, *old_plugin_path, *new_plugin_path;
342         gchar buf[BUFFSIZE];
343         oldfp = g_fopen(old_rc, "r");
344         if (!oldfp)
345                 return;
346         newfp = g_fopen(new_rc, "w");
347         if (!newfp) {
348                 fclose(oldfp);
349                 return;
350         }
351         
352         plugin_path = g_strdup(get_plugin_dir());
353         new_plugin_path = g_strdup(plugin_path);
354         
355         if (strstr(plugin_path, "/claws-mail/")) {
356                 gchar *end = g_strdup(strstr(plugin_path, "/claws-mail/")+strlen("/claws-mail/"));
357                 *(strstr(plugin_path, "/claws-mail/")) = '\0';
358                 old_plugin_path = g_strconcat(plugin_path, "/sylpheed-claws/", end, NULL);
359                 g_free(end);
360         } else {
361                 old_plugin_path = g_strdup(new_plugin_path);
362         }
363         debug_print("replacing %s with %s\n", old_plugin_path, new_plugin_path);
364         while (fgets(buf, sizeof(buf), oldfp)) {
365                 if (strncmp(buf, old_plugin_path, strlen(old_plugin_path))) {
366                         fputs(buf, newfp);
367                 } else {
368                         debug_print("->replacing %s", buf);
369                         debug_print("  with %s%s", new_plugin_path, buf+strlen(old_plugin_path));
370                         fputs(new_plugin_path, newfp);
371                         fputs(buf+strlen(old_plugin_path), newfp);
372                 }
373         }
374         g_free(plugin_path);
375         g_free(new_plugin_path);
376         g_free(old_plugin_path);
377         fclose(oldfp);
378         fclose(newfp);
379 }
380
381 #ifdef HAVE_LIBSM
382 static void
383 sc_client_set_value (MainWindow *mainwin,
384                   gchar       *name,
385                   char        *type,
386                   int          num_vals,
387                   SmPropValue *vals)
388 {
389         SmProp *proplist[1];
390         SmProp prop;
391
392         prop.name = name;
393         prop.type = type;
394         prop.num_vals = num_vals;
395         prop.vals = vals;
396
397         proplist[0]= &prop;
398         if (mainwin->smc_conn)
399                 SmcSetProperties ((SmcConn) mainwin->smc_conn, 1, proplist);
400 }
401
402 static void sc_die_callback (SmcConn smc_conn, SmPointer client_data)
403 {
404         clean_quit(NULL);
405 }
406
407 static void sc_save_complete_callback(SmcConn smc_conn, SmPointer client_data)
408 {
409 }
410
411 static void sc_shutdown_cancelled_callback (SmcConn smc_conn, SmPointer client_data)
412 {
413         MainWindow *mainwin = (MainWindow *)client_data;
414         if (mainwin->smc_conn)
415                 SmcSaveYourselfDone ((SmcConn) mainwin->smc_conn, TRUE);
416 }
417
418 static void sc_save_yourself_callback (SmcConn   smc_conn,
419                                SmPointer client_data,
420                                int       save_style,
421                                gboolean  shutdown,
422                                int       interact_style,
423                                gboolean  fast) {
424
425         MainWindow *mainwin = (MainWindow *)client_data;
426         if (mainwin->smc_conn)
427                 SmcSaveYourselfDone ((SmcConn) mainwin->smc_conn, TRUE);
428 }
429
430 static IceIOErrorHandler sc_ice_installed_handler;
431
432 static void sc_ice_io_error_handler (IceConn connection)
433 {
434         if (sc_ice_installed_handler)
435                 (*sc_ice_installed_handler) (connection);
436 }
437 static gboolean sc_process_ice_messages (GIOChannel   *source,
438                       GIOCondition  condition,
439                       gpointer      data)
440 {
441         IceConn connection = (IceConn) data;
442         IceProcessMessagesStatus status;
443
444         status = IceProcessMessages (connection, NULL, NULL);
445
446         if (status == IceProcessMessagesIOError) {
447                 IcePointer context = IceGetConnectionContext (connection);
448
449                 if (context && GTK_IS_OBJECT (context)) {
450                 guint disconnect_id = g_signal_lookup ("disconnect", G_OBJECT_TYPE (context));
451
452                 if (disconnect_id > 0)
453                         g_signal_emit (context, disconnect_id, 0);
454                 } else {
455                         IceSetShutdownNegotiation (connection, False);
456                         IceCloseConnection (connection);
457                 }
458         }
459
460         return TRUE;
461 }
462
463 static void new_ice_connection (IceConn connection, IcePointer client_data, Bool opening,
464                     IcePointer *watch_data)
465 {
466         guint input_id;
467
468         if (opening) {
469                 GIOChannel *channel;
470                 /* Make sure we don't pass on these file descriptors to any
471                 exec'ed children */
472                 fcntl(IceConnectionNumber(connection),F_SETFD,
473                 fcntl(IceConnectionNumber(connection),F_GETFD,0) | FD_CLOEXEC);
474
475                 channel = g_io_channel_unix_new (IceConnectionNumber (connection));
476                 input_id = g_io_add_watch (channel,
477                 G_IO_IN | G_IO_HUP | G_IO_ERR | G_IO_PRI,
478                 sc_process_ice_messages,
479                 connection);
480                 g_io_channel_unref (channel);
481
482                 *watch_data = (IcePointer) GUINT_TO_POINTER (input_id);
483         } else {
484                 input_id = GPOINTER_TO_UINT ((gpointer) *watch_data);
485                 g_source_remove (input_id);
486         }
487 }
488
489 static void sc_session_manager_connect(MainWindow *mainwin)
490 {
491         static gboolean connected = FALSE;
492         SmcCallbacks      callbacks;
493         gchar            *client_id;
494         IceIOErrorHandler default_handler;
495
496         if (connected)
497                 return;
498         connected = TRUE;
499
500
501         sc_ice_installed_handler = IceSetIOErrorHandler (NULL);
502         default_handler = IceSetIOErrorHandler (sc_ice_io_error_handler);
503
504         if (sc_ice_installed_handler == default_handler)
505                 sc_ice_installed_handler = NULL;
506
507         IceAddConnectionWatch (new_ice_connection, NULL);
508       
509       
510         callbacks.save_yourself.callback      = sc_save_yourself_callback;
511         callbacks.die.callback                = sc_die_callback;
512         callbacks.save_complete.callback      = sc_save_complete_callback;
513         callbacks.shutdown_cancelled.callback = sc_shutdown_cancelled_callback;
514
515         callbacks.save_yourself.client_data =
516                 callbacks.die.client_data =
517                 callbacks.save_complete.client_data =
518                 callbacks.shutdown_cancelled.client_data = (SmPointer) mainwin;
519         if (g_getenv ("SESSION_MANAGER")) {
520                 gchar error_string_ret[256] = "";
521
522                 mainwin->smc_conn = (gpointer)
523                         SmcOpenConnection (NULL, mainwin,
524                                 SmProtoMajor, SmProtoMinor,
525                                 SmcSaveYourselfProcMask | SmcDieProcMask |
526                                 SmcSaveCompleteProcMask |
527                                 SmcShutdownCancelledProcMask,
528                                 &callbacks,
529                                 NULL, &client_id,
530                                 256, error_string_ret);
531
532                 if (error_string_ret[0] || mainwin->smc_conn == NULL)
533                         g_warning ("While connecting to session manager:\n%s.",
534                                 error_string_ret);
535                 else {
536                         SmPropValue *vals;
537                         vals = g_new (SmPropValue, 1);
538                         vals[0].length = strlen(argv0);
539                         vals[0].value = argv0;
540                         sc_client_set_value (mainwin, SmCloneCommand, SmLISTofARRAY8, 1, vals);
541                         sc_client_set_value (mainwin, SmRestartCommand, SmLISTofARRAY8, 1, vals);
542                         sc_client_set_value (mainwin, SmProgram, SmARRAY8, 1, vals);
543
544                         vals[0].length = strlen(g_get_user_name()?g_get_user_name():"");
545                         vals[0].value = g_strdup(g_get_user_name()?g_get_user_name():"");
546                         sc_client_set_value (mainwin, SmUserID, SmARRAY8, 1, vals);
547                 }
548         }
549 }
550 #endif
551
552 static gboolean sc_exiting = FALSE;
553 static gboolean sc_starting = FALSE;
554
555 int main(int argc, char *argv[])
556 {
557         gchar *userrc;
558         MainWindow *mainwin;
559         FolderView *folderview;
560         GdkPixbuf *icon;
561         gboolean crash_file_present = FALSE;
562         gint num_folder_class = 0;
563         gboolean asked_for_migration = FALSE;
564
565         START_TIMING("startup");
566         
567         sc_starting = TRUE;
568
569         if (!claws_init(&argc, &argv)) {
570                 return 0;
571         }
572
573         prefs_prepare_cache();
574         prog_version = PROG_VERSION;
575         argv0 = g_strdup(argv[0]);
576
577         parse_cmd_opt(argc, argv);
578
579 #ifdef CRASH_DIALOG
580         if (cmd.crash) {
581                 gtk_set_locale();
582                 gtk_init(&argc, &argv);
583                 crash_main(cmd.crash_params);
584                 return 0;
585         }
586         crash_install_handlers();
587 #endif
588         install_basic_sighandlers();
589         sock_init();
590
591         /* check and create unix domain socket for remote operation */
592 #ifdef G_OS_UNIX
593         lock_socket = prohibit_duplicate_launch();
594         if (lock_socket < 0) {
595 #ifdef HAVE_STARTUP_NOTIFICATION
596                 if(gtk_init_check(&argc, &argv))
597                         startup_notification_complete(TRUE);
598 #endif
599                 return 0;
600         }
601
602         if (cmd.status || cmd.status_full) {
603                 puts("0 Claws Mail not running.");
604                 lock_socket_remove();
605                 return 0;
606         }
607         
608         if (cmd.exit)
609                 return 0;
610 #endif
611         if (!g_thread_supported())
612                 g_thread_init(NULL);
613
614         gtk_set_locale();
615         gtk_init(&argc, &argv);
616
617         gdk_rgb_init();
618         gtk_widget_set_default_colormap(gdk_rgb_get_colormap());
619         gtk_widget_set_default_visual(gdk_rgb_get_visual());
620
621         if (!g_thread_supported()) {
622                 g_error(_("g_thread is not supported by glib.\n"));
623         }
624
625         /* check that we're not on a too recent/old gtk+ */
626 #if GTK_CHECK_VERSION(2, 9, 0)
627         if (gtk_check_version(2, 9, 0) != NULL) {
628                 alertpanel_error(_("Claws Mail has been compiled with "
629                                    "a more recent GTK+ library than is "
630                                    "currently available. This will cause "
631                                    "crashes. You need to upgrade GTK+ or "
632                                    "recompile Claws Mail."));
633                 exit(1);
634         }
635 #else
636         if (gtk_check_version(2, 9, 0) == NULL) {
637                 alertpanel_error(_("Claws Mail has been compiled with "
638                                    "an older GTK+ library than is "
639                                    "currently available. This will cause "
640                                    "crashes. You need to recompile "
641                                    "Claws Mail."));
642                 exit(1);
643         }
644 #endif  
645         /* parse gtkrc files */
646         userrc = g_strconcat(get_home_dir(), G_DIR_SEPARATOR_S, ".gtkrc-2.0",
647                              NULL);
648         gtk_rc_parse(userrc);
649         g_free(userrc);
650         userrc = g_strconcat(get_home_dir(), G_DIR_SEPARATOR_S, ".gtk",
651                              G_DIR_SEPARATOR_S, "gtkrc-2.0", NULL);
652         gtk_rc_parse(userrc);
653         g_free(userrc);
654
655         CHDIR_RETURN_VAL_IF_FAIL(get_home_dir(), 1);
656         
657         /* no config dir exists. See if we can migrate an old config. */
658         if (!is_dir_exist(RC_DIR)) {
659                 prefs_destroy_cache();
660                 gboolean r = FALSE;
661                 
662                 /* if one of the old dirs exist, we'll ask if the user 
663                  * want to migrates, and r will be TRUE if he said yes
664                  * and migration succeeded, and FALSE otherwise.
665                  */
666                 if (is_dir_exist(OLD_GTK2_RC_DIR)) {
667                         r = migrate_old_config(OLD_GTK2_RC_DIR, RC_DIR, "Sylpheed-Claws 2.6.0");
668                         asked_for_migration = TRUE;
669                 } else if (is_dir_exist(OLDER_GTK2_RC_DIR)) {
670                         r = migrate_old_config(OLDER_GTK2_RC_DIR, RC_DIR, "Sylpheed-Claws 1.9.15");
671                         asked_for_migration = TRUE;
672                 } else if (is_dir_exist(OLD_GTK1_RC_DIR)) {
673                         r = migrate_old_config(OLD_GTK1_RC_DIR, RC_DIR, "Sylpheed-Claws 1.0.5");
674                         asked_for_migration = TRUE;
675                 }
676                 
677                 /* If migration failed or the user didn't want to do it,
678                  * we create a new one (and we'll hit wizard later). 
679                  */
680                 if (r == FALSE && !is_dir_exist(RC_DIR) && make_dir(RC_DIR) < 0)
681                         exit(1);
682         }
683         
684
685         if (!is_file_exist(RC_DIR G_DIR_SEPARATOR_S COMMON_RC) &&
686             is_file_exist(RC_DIR G_DIR_SEPARATOR_S OLD_COMMON_RC)) {
687                 /* post 2.6 name change */
688                 migrate_common_rc(RC_DIR G_DIR_SEPARATOR_S OLD_COMMON_RC,
689                           RC_DIR G_DIR_SEPARATOR_S COMMON_RC);
690         }
691
692         if (!cmd.exit)
693                 plugin_load_all("Common");
694
695         userrc = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S, "gtkrc-2.0", NULL);
696         gtk_rc_parse(userrc);
697         g_free(userrc);
698
699         userrc = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S, MENU_RC, NULL);
700         gtk_accel_map_load (userrc);
701         g_free(userrc);
702
703         CHDIR_RETURN_VAL_IF_FAIL(get_rc_dir(), 1);
704
705         MAKE_DIR_IF_NOT_EXIST(get_mail_base_dir());
706         MAKE_DIR_IF_NOT_EXIST(get_imap_cache_dir());
707         MAKE_DIR_IF_NOT_EXIST(get_news_cache_dir());
708         MAKE_DIR_IF_NOT_EXIST(get_mime_tmp_dir());
709         MAKE_DIR_IF_NOT_EXIST(get_tmp_dir());
710         MAKE_DIR_IF_NOT_EXIST(UIDL_DIR);
711
712         crash_file_present = is_file_exist(get_crashfile_name());
713         /* remove temporary files */
714         remove_all_files(get_tmp_dir());
715         remove_all_files(get_mime_tmp_dir());
716
717         if (is_file_exist("claws.log")) {
718                 if (rename_force("claws.log", "claws.log.bak") < 0)
719                         FILE_OP_ERROR("claws.log", "rename");
720         }
721         set_log_file("claws.log");
722
723         CHDIR_RETURN_VAL_IF_FAIL(get_home_dir(), 1);
724
725         folder_system_init();
726         prefs_common_read_config();
727
728         prefs_themes_init();
729         prefs_fonts_init();
730         prefs_ext_prog_init();
731         prefs_wrapping_init();
732         prefs_compose_writing_init();
733         prefs_msg_colors_init();
734         image_viewer_init();
735         prefs_image_viewer_init();
736         prefs_quote_init();
737         prefs_summaries_init();
738         prefs_message_init();
739         prefs_other_init();
740         prefs_receive_init();
741         prefs_send_init();
742 #ifdef USE_ASPELL
743         gtkaspell_checkers_init();
744         prefs_spelling_init();
745 #endif
746
747         sock_set_io_timeout(prefs_common.io_timeout_secs);
748 #ifdef HAVE_LIBETPAN
749         imap_main_set_timeout(prefs_common.io_timeout_secs);
750 #endif
751         prefs_actions_read_config();
752         prefs_display_header_read_config();
753         /* prefs_filtering_read_config(); */
754         addressbook_read_file();
755         renderer_read_config();
756
757         gtkut_widget_init();
758         stock_pixbuf_gdk(NULL, STOCK_PIXMAP_CLAWS_MAIL_ICON, &icon);
759         gtk_window_set_default_icon(icon);
760
761         folderview_initialize();
762
763         mh_gtk_init();
764         imap_gtk_init();
765         news_gtk_init();
766
767         mainwin = main_window_create
768                 (prefs_common.sep_folder | prefs_common.sep_msg << 1);
769         manage_window_focus_in(mainwin->window, NULL, NULL);
770         folderview = mainwin->folderview;
771
772         gtk_clist_freeze(GTK_CLIST(mainwin->folderview->ctree));
773         folder_item_update_freeze();
774
775         /* register the callback of unix domain socket input */
776 #ifdef G_OS_UNIX
777         lock_socket_tag = gdk_input_add(lock_socket,
778                                         GDK_INPUT_READ | GDK_INPUT_EXCEPTION,
779                                         lock_socket_input_cb,
780                                         mainwin);
781 #endif
782
783         prefs_account_init();
784         account_read_config_all();
785
786         /* If we can't read a folder list or don't have accounts,
787          * it means the configuration's not done. Either this is
788          * a brand new install, either a failed/refused migration.
789          * So we'll start the wizard.
790          */
791         if (folder_read_list() < 0) {
792                 prefs_destroy_cache();
793                 
794                 /* if run_wizard returns FALSE it's because it's
795                  * been cancelled. We can't do much but exit.
796                  * however, if the user was asked for a migration,
797                  * we remove the newly created directory so that
798                  * he's asked again for migration on next launch.*/
799                 if (!run_wizard(mainwin, TRUE)) {
800                         if (asked_for_migration)
801                                 remove_dir_recursive(RC_DIR);
802                         exit(1);
803                 }
804                 main_window_reflect_prefs_all_now();
805                 folder_write_list();
806         }
807
808         if (!account_get_list()) {
809                 prefs_destroy_cache();
810                 if (!run_wizard(mainwin, FALSE)) {
811                         if (asked_for_migration)
812                                 remove_dir_recursive(RC_DIR);
813                         exit(1);
814                 }
815                 account_read_config_all();
816                 if(!account_get_list()) {
817                         exit_claws(mainwin);
818                         exit(1);
819                 }
820         }
821
822         
823         toolbar_main_set_sensitive(mainwin);
824         main_window_set_menu_sensitive(mainwin);
825
826         main_window_popup(mainwin);
827
828 #ifdef HAVE_LIBETPAN
829         imap_main_init(prefs_common.skip_ssl_cert_check);
830 #endif  
831         account_set_missing_folder();
832         folder_set_missing_folders();
833         folderview_set(folderview);
834
835         prefs_matcher_read_config();
836
837         /* make one all-folder processing before using claws */
838         main_window_cursor_wait(mainwin);
839         folder_func_to_all_folders(initial_processing, (gpointer *)mainwin);
840
841         /* if claws crashed, rebuild caches */
842         if (!cmd.crash && crash_file_present) {
843                 GTK_EVENTS_FLUSH();
844                 debug_print("Claws Mail crashed, checking for new messages in local folders\n");
845                 folder_item_update_thaw();
846                 folderview_check_new(NULL);
847                 folder_clean_cache_memory_force();
848                 folder_item_update_freeze();
849         }
850         /* make the crash-indicator file */
851         str_write_to_file("foo", get_crashfile_name());
852
853         inc_autocheck_timer_init(mainwin);
854
855         /* ignore SIGPIPE signal for preventing sudden death of program */
856 #ifdef G_OS_UNIX
857         signal(SIGPIPE, SIG_IGN);
858 #endif
859         if (cmd.online_mode == ONLINE_MODE_OFFLINE) {
860                 main_window_toggle_work_offline(mainwin, TRUE, FALSE);
861         }
862         if (cmd.online_mode == ONLINE_MODE_ONLINE) {
863                 main_window_toggle_work_offline(mainwin, FALSE, FALSE);
864         }
865
866         if (cmd.status_folders) {
867                 g_ptr_array_free(cmd.status_folders, TRUE);
868                 cmd.status_folders = NULL;
869         }
870         if (cmd.status_full_folders) {
871                 g_ptr_array_free(cmd.status_full_folders, TRUE);
872                 cmd.status_full_folders = NULL;
873         }
874
875         claws_register_idle_function(claws_gtk_idle);
876
877         prefs_toolbar_init();
878
879         num_folder_class = g_list_length(folder_get_list());
880
881         plugin_load_all("GTK2");
882
883         if (g_list_length(folder_get_list()) != num_folder_class) {
884                 debug_print("new folders loaded, reloading processing rules\n");
885                 prefs_matcher_read_config();
886         }
887         
888         if (plugin_get_unloaded_list() != NULL) {
889                 main_window_cursor_normal(mainwin);
890                 alertpanel_warning(_("Some plugin(s) failed to load. "
891                                      "Check the Plugins configuration "
892                                      "for more information."));
893                 main_window_cursor_wait(mainwin);
894         }
895
896         plugin_load_standard_plugins ();
897        
898         if (!folder_have_mailbox()) {
899                 prefs_destroy_cache();
900                 main_window_cursor_normal(mainwin);
901                 if (folder_get_list() != NULL) {
902                         alertpanel_error(_("Claws Mail has detected a configured "
903                                    "mailbox, but is it incomplete. It is "
904                                    "possibly due to a failing IMAP account. Use "
905                                    "\"Rebuild folder tree\" on the mailbox's folder "
906                                    "to try to fix it."));
907                 } else {
908                         alertpanel_error(_("Claws Mail has detected a configured "
909                                    "mailbox, but could not load it. It is "
910                                    "probably provided by an out-of-date "
911                                    "external plugin. Please reinstall the "
912                                    "plugin and try again."));
913                         exit_claws(mainwin);
914                         exit(1);
915                 }
916         }
917         
918         static_mainwindow = mainwin;
919
920 #ifdef HAVE_STARTUP_NOTIFICATION
921         startup_notification_complete(FALSE);
922 #endif
923 #ifdef HAVE_LIBSM
924         sc_session_manager_connect(mainwin);
925 #endif
926         folder_item_update_thaw();
927         gtk_clist_thaw(GTK_CLIST(mainwin->folderview->ctree));
928         main_window_cursor_normal(mainwin);
929
930         if (cmd.receive_all) {
931                 g_timeout_add(1000, defer_check_all, GINT_TO_POINTER(FALSE));
932         } else if (prefs_common.chk_on_startup) {
933                 g_timeout_add(1000, defer_check_all, GINT_TO_POINTER(TRUE));
934         } else if (cmd.receive) {
935                 g_timeout_add(1000, defer_check, NULL);
936         } else {
937                 gtk_widget_grab_focus(folderview->ctree);
938         }
939
940         if (cmd.compose) {
941                 open_compose_new(cmd.compose_mailto, cmd.attach_files);
942         }
943         if (cmd.attach_files) {
944                 ptr_array_free_strings(cmd.attach_files);
945                 g_ptr_array_free(cmd.attach_files, TRUE);
946                 cmd.attach_files = NULL;
947         }
948         if (cmd.subscribe) {
949                 folder_subscribe(cmd.subscribe_uri);
950         }
951
952         if (cmd.send) {
953                 send_queue();
954         }
955         
956         if (cmd.target) {
957                 g_timeout_add(500, defer_jump, (gpointer)cmd.target);
958         }
959
960         prefs_destroy_cache();
961         
962         sc_starting = FALSE;
963         END_TIMING();
964         
965         gtk_main();
966
967         exit_claws(mainwin);
968
969         return 0;
970 }
971
972 static void save_all_caches(FolderItem *item, gpointer data)
973 {
974         if (!item->cache) {
975                 return;
976         }
977
978         if (item->opened)
979                 folder_item_close(item);
980         
981         folder_item_free_cache(item, TRUE);
982 }
983
984 static void exit_claws(MainWindow *mainwin)
985 {
986         gchar *filename;
987
988         sc_exiting = TRUE;
989
990         debug_print("shutting down\n");
991         inc_autocheck_timer_remove();
992
993         if (prefs_common.clean_on_exit && !emergency_exit) {
994                 main_window_empty_trash(mainwin, prefs_common.ask_on_clean);
995         }
996
997         /* save prefs for opened folder */
998         if(mainwin->folderview->opened) {
999                 FolderItem *item;
1000
1001                 item = gtk_ctree_node_get_row_data(GTK_CTREE(mainwin->folderview->ctree), mainwin->folderview->opened);
1002                 summary_save_prefs_to_folderitem(mainwin->folderview->summaryview, item);
1003         }
1004
1005         /* save all state before exiting */
1006         folder_func_to_all_folders(save_all_caches, NULL);
1007         folder_write_list();
1008
1009         main_window_get_size(mainwin);
1010         main_window_get_position(mainwin);
1011         prefs_common_write_config();
1012         account_write_config_all();
1013         addressbook_export_to_file();
1014
1015         filename = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S, MENU_RC, NULL);
1016         gtk_accel_map_save(filename);
1017         g_free(filename);
1018
1019         /* delete temporary files */
1020         remove_all_files(get_tmp_dir());
1021         remove_all_files(get_mime_tmp_dir());
1022
1023         close_log_file();
1024
1025 #ifdef HAVE_LIBETPAN
1026         imap_main_done();
1027 #endif
1028         /* delete crashfile */
1029         if (!cmd.crash)
1030                 g_unlink(get_crashfile_name());
1031
1032         lock_socket_remove();
1033
1034 #ifdef HAVE_LIBSM
1035         if (mainwin->smc_conn)
1036                 SmcCloseConnection ((SmcConn)mainwin->smc_conn, 0, NULL);
1037         mainwin->smc_conn = NULL;
1038 #endif
1039
1040         main_window_destroy_all();
1041         
1042         plugin_unload_all("GTK2");
1043
1044         prefs_toolbar_done();
1045
1046         addressbook_destroy();
1047
1048         prefs_themes_done();
1049         prefs_fonts_done();
1050         prefs_ext_prog_done();
1051         prefs_wrapping_done();
1052         prefs_compose_writing_done();
1053         prefs_msg_colors_done();
1054         prefs_image_viewer_done();
1055         image_viewer_done();
1056         prefs_quote_done();
1057         prefs_summaries_done();
1058         prefs_message_done();
1059         prefs_other_done();
1060         prefs_receive_done();
1061         prefs_send_done();
1062 #ifdef USE_ASPELL       
1063         prefs_spelling_done();
1064         gtkaspell_checkers_quit();
1065 #endif
1066         plugin_unload_all("Common");
1067         claws_done();
1068 }
1069
1070 static void parse_cmd_opt(int argc, char *argv[])
1071 {
1072         gint i;
1073
1074         for (i = 1; i < argc; i++) {
1075                 if (!strncmp(argv[i], "--receive-all", 13)) {
1076                         cmd.receive_all = TRUE;
1077                 } else if (!strncmp(argv[i], "--receive", 9)) {
1078                         cmd.receive = TRUE;
1079                 } else if (!strncmp(argv[i], "--compose", 9)) {
1080                         const gchar *p = argv[i + 1];
1081
1082                         cmd.compose = TRUE;
1083                         cmd.compose_mailto = NULL;
1084                         if (p && *p != '\0' && *p != '-') {
1085                                 if (!strncmp(p, "mailto:", 7)) {
1086                                         cmd.compose_mailto = p + 7;
1087                                 } else {
1088                                         cmd.compose_mailto = p;
1089                                 }
1090                                 i++;
1091                         }
1092                 } else if (!strncmp(argv[i], "--subscribe", 11)) {
1093                         const gchar *p = argv[i + 1];
1094                         if (p && *p != '\0' && *p != '-') {
1095                                 cmd.subscribe = TRUE;
1096                                 cmd.subscribe_uri = p;
1097                         }
1098                 } else if (!strncmp(argv[i], "--attach", 8)) {
1099                         const gchar *p = argv[i + 1];
1100                         gchar *file;
1101
1102                         while (p && *p != '\0' && *p != '-') {
1103                                 if (!cmd.attach_files) {
1104                                         cmd.attach_files = g_ptr_array_new();
1105                                 }
1106                                 if (*p != G_DIR_SEPARATOR) {
1107                                         file = g_strconcat(claws_get_startup_dir(),
1108                                                            G_DIR_SEPARATOR_S,
1109                                                            p, NULL);
1110                                 } else {
1111                                         file = g_strdup(p);
1112                                 }
1113                                 g_ptr_array_add(cmd.attach_files, file);
1114                                 i++;
1115                                 p = argv[i + 1];
1116                         }
1117                 } else if (!strncmp(argv[i], "--send", 6)) {
1118                         cmd.send = TRUE;
1119                 } else if (!strncmp(argv[i], "--version", 9) ||
1120                            !strncmp(argv[i], "-v", 2)) {
1121                         puts("Claws Mail version " VERSION);
1122                         exit(0);
1123                 } else if (!strncmp(argv[i], "--status-full", 13)) {
1124                         const gchar *p = argv[i + 1];
1125  
1126                         cmd.status_full = TRUE;
1127                         while (p && *p != '\0' && *p != '-') {
1128                                 if (!cmd.status_full_folders) {
1129                                         cmd.status_full_folders =
1130                                                 g_ptr_array_new();
1131                                 }
1132                                 g_ptr_array_add(cmd.status_full_folders,
1133                                                 g_strdup(p));
1134                                 i++;
1135                                 p = argv[i + 1];
1136                         }
1137                 } else if (!strncmp(argv[i], "--status", 8)) {
1138                         const gchar *p = argv[i + 1];
1139  
1140                         cmd.status = TRUE;
1141                         while (p && *p != '\0' && *p != '-') {
1142                                 if (!cmd.status_folders)
1143                                         cmd.status_folders = g_ptr_array_new();
1144                                 g_ptr_array_add(cmd.status_folders,
1145                                                 g_strdup(p));
1146                                 i++;
1147                                 p = argv[i + 1];
1148                         }
1149                 } else if (!strncmp(argv[i], "--online", 8)) {
1150                         cmd.online_mode = ONLINE_MODE_ONLINE;
1151                 } else if (!strncmp(argv[i], "--offline", 9)) {
1152                         cmd.online_mode = ONLINE_MODE_OFFLINE;
1153                 } else if (!strncmp(argv[i], "--help", 6) ||
1154                            !strncmp(argv[i], "-h", 2)) {
1155                         gchar *base = g_path_get_basename(argv[0]);
1156                         g_print(_("Usage: %s [OPTION]...\n"), base);
1157
1158                         g_print("%s\n", _("  --compose [address]    open composition window"));
1159                         g_print("%s\n", _("  --subscribe [uri]      subscribe to the given URI if possible"));
1160                         g_print("%s\n", _("  --attach file1 [file2]...\n"
1161                                   "                         open composition window with specified files\n"
1162                                   "                         attached"));
1163                         g_print("%s\n", _("  --receive              receive new messages"));
1164                         g_print("%s\n", _("  --receive-all          receive new messages of all accounts"));
1165                         g_print("%s\n", _("  --send                 send all queued messages"));
1166                         g_print("%s\n", _("  --status [folder]...   show the total number of messages"));
1167                         g_print("%s\n", _("  --status-full [folder]...\n"
1168                                "                         show the status of each folder"));
1169                         g_print("%s\n", _("  --select folder[/msg]  jumps to the specified folder/message\n" 
1170                                           "                         folder is a folder id like 'folder/sub_folder'"));
1171                         g_print("%s\n", _("  --online               switch to online mode"));
1172                         g_print("%s\n", _("  --offline              switch to offline mode"));
1173                         g_print("%s\n", _("  --exit --quit -q       exit Claws Mail"));
1174                         g_print("%s\n", _("  --debug                debug mode"));
1175                         g_print("%s\n", _("  --help -h              display this help and exit"));
1176                         g_print("%s\n", _("  --version -v           output version information and exit"));
1177                         g_print("%s\n", _("  --config-dir           output configuration directory"));
1178
1179                         g_free(base);
1180                         exit(1);
1181                 } else if (!strncmp(argv[i], "--crash", 7)) {
1182                         cmd.crash = TRUE;
1183                         cmd.crash_params = g_strdup(argv[i + 1]);
1184                         i++;
1185                 } else if (!strncmp(argv[i], "--config-dir", sizeof "--config-dir" - 1)) {
1186                         puts(RC_DIR);
1187                         exit(0);
1188                 } else if (!strncmp(argv[i], "--exit", 6) ||
1189                            !strncmp(argv[i], "--quit", 6) ||
1190                            !strncmp(argv[i], "-q", 2)) {
1191                         cmd.exit = TRUE;
1192                 } else if (!strncmp(argv[i], "--select", 8) && i+1 < argc) {
1193                         cmd.target = argv[i+1];
1194                 } else if (i == 1 && argc == 2) {
1195                         /* only one parameter. Do something intelligent about it */
1196                         if (strstr(argv[i], "@") && !strstr(argv[i], "://")) {
1197                                 const gchar *p = argv[i];
1198
1199                                 cmd.compose = TRUE;
1200                                 cmd.compose_mailto = NULL;
1201                                 if (p && *p != '\0' && *p != '-') {
1202                                         if (!strncmp(p, "mailto:", 7)) {
1203                                                 cmd.compose_mailto = p + 7;
1204                                         } else {
1205                                                 cmd.compose_mailto = p;
1206                                         }
1207                                 }
1208                         } else if (strstr(argv[i], "://")) {
1209                                 const gchar *p = argv[i];
1210                                 if (p && *p != '\0' && *p != '-') {
1211                                         cmd.subscribe = TRUE;
1212                                         cmd.subscribe_uri = p;
1213                                 }
1214                         } else {
1215                                 g_print(_("Unknown option\n"));
1216                                 exit(1);
1217                         }
1218                 }
1219         }
1220
1221         if (cmd.attach_files && cmd.compose == FALSE) {
1222                 cmd.compose = TRUE;
1223                 cmd.compose_mailto = NULL;
1224         }
1225 }
1226
1227 static gint get_queued_message_num(void)
1228 {
1229         FolderItem *queue;
1230
1231         queue = folder_get_default_queue();
1232         if (!queue) {
1233                 return -1;
1234         }
1235
1236         folder_item_scan(queue);
1237         return queue->total_msgs;
1238 }
1239
1240 static void initial_processing(FolderItem *item, gpointer data)
1241 {
1242         MainWindow *mainwin = (MainWindow *)data;
1243         gchar *buf;
1244
1245         g_return_if_fail(item);
1246         buf = g_strdup_printf(_("Processing (%s)..."), 
1247                               item->path 
1248                               ? item->path 
1249                               : _("top level folder"));
1250         g_free(buf);
1251
1252         
1253         if (item->prefs->enable_processing) {
1254                 folder_item_apply_processing(item);
1255         }
1256
1257         STATUSBAR_POP(mainwin);
1258 }
1259
1260 static void draft_all_messages(void)
1261 {
1262         GList *compose_list = NULL;
1263         
1264         while ((compose_list = compose_get_compose_list()) != NULL) {
1265                 Compose *c = (Compose*)compose_list->data;
1266                 compose_draft(c);
1267         }       
1268 }
1269 gboolean clean_quit(gpointer data)
1270 {
1271         static gboolean firstrun = TRUE;
1272
1273         if (!firstrun) {
1274                 return FALSE;
1275         }
1276         firstrun = FALSE;
1277
1278         /*!< Good idea to have the main window stored in a 
1279          *   static variable so we can check that variable
1280          *   to see if we're really allowed to do things
1281          *   that actually the spawner is supposed to 
1282          *   do (like: sending mail, composing messages).
1283          *   Because, really, if we're the spawnee, and
1284          *   we touch GTK stuff, we're hosed. See the 
1285          *   next fixme. */
1286
1287         /* FIXME: Use something else to signal that we're
1288          * in the original spawner, and not in a spawned
1289          * child. */
1290         if (!static_mainwindow) {
1291                 return FALSE;
1292         }
1293                 
1294         draft_all_messages();
1295         emergency_exit = TRUE;
1296         exit_claws(static_mainwindow);
1297         exit(0);
1298
1299         return FALSE;
1300 }
1301
1302 void app_will_exit(GtkWidget *widget, gpointer data)
1303 {
1304         MainWindow *mainwin = data;
1305         
1306         if (sc_exiting == TRUE) {
1307                 debug_print("exit pending\n");
1308                 return;
1309         }
1310         sc_exiting = TRUE;
1311         debug_print("exiting\n");
1312         if (compose_get_compose_list()) {
1313                 gint val = alertpanel(_("Really quit?"),
1314                                _("Composing message exists."),
1315                                _("_Save to Draft"), _("_Discard them"), _("Do_n't quit"));
1316                 switch (val) {
1317                         case G_ALERTOTHER:
1318                                 sc_exiting = FALSE;
1319                                 return;
1320                         case G_ALERTALTERNATE:
1321                                 break;
1322                         default:
1323                                 draft_all_messages();
1324                 }
1325
1326                 manage_window_focus_in(mainwin->window, NULL, NULL);
1327         }
1328
1329         if (prefs_common.warn_queued_on_exit && get_queued_message_num() > 0) {
1330                 if (alertpanel(_("Queued messages"),
1331                                _("Some unsent messages are queued. Exit now?"),
1332                                GTK_STOCK_CANCEL, GTK_STOCK_OK, NULL)
1333                     != G_ALERTALTERNATE) {
1334                         sc_exiting = FALSE;
1335                         return;
1336                 }
1337                 manage_window_focus_in(mainwin->window, NULL, NULL);
1338         }
1339
1340         sock_cleanup();
1341         if (folderview_get_selected_item(mainwin->folderview))
1342                 folder_item_close(folderview_get_selected_item(mainwin->folderview));
1343         gtk_main_quit();
1344 }
1345
1346 gboolean claws_is_exiting(void)
1347 {
1348         return sc_exiting;
1349 }
1350
1351 gboolean claws_is_starting(void)
1352 {
1353         return sc_starting;
1354 }
1355
1356 /*
1357  * CLAWS: want this public so crash dialog can delete the
1358  * lock file too
1359  */
1360 gchar *get_socket_name(void)
1361 {
1362         static gchar *filename = NULL;
1363
1364         if (filename == NULL) {
1365                 filename = g_strdup_printf("%s%cclaws-mail-%d",
1366                                            g_get_tmp_dir(), G_DIR_SEPARATOR,
1367 #if HAVE_GETUID
1368                                            getuid());
1369 #else
1370                                            0);                                          
1371 #endif
1372         }
1373
1374         return filename;
1375 }
1376
1377 static gchar *get_crashfile_name(void)
1378 {
1379         static gchar *filename = NULL;
1380
1381         if (filename == NULL) {
1382                 filename = g_strdup_printf("%s%cclaws-crashed",
1383                                            get_tmp_dir(), G_DIR_SEPARATOR);
1384         }
1385
1386         return filename;
1387 }
1388
1389 static gint prohibit_duplicate_launch(void)
1390 {
1391         gint uxsock;
1392         gchar *path;
1393
1394         path = get_socket_name();
1395         uxsock = fd_connect_unix(path);
1396         if (uxsock < 0) {
1397                 g_unlink(path);
1398                 return fd_open_unix(path);
1399         }
1400
1401         /* remote command mode */
1402
1403         debug_print("another Claws Mail instance is already running.\n");
1404
1405         if (cmd.receive_all) {
1406                 fd_write_all(uxsock, "receive_all\n", 12);
1407         } else if (cmd.receive) {
1408                 fd_write_all(uxsock, "receive\n", 8);
1409         } else if (cmd.compose && cmd.attach_files) {
1410                 gchar *str, *compose_str;
1411                 gint i;
1412
1413                 if (cmd.compose_mailto) {
1414                         compose_str = g_strdup_printf("compose_attach %s\n",
1415                                                       cmd.compose_mailto);
1416                 } else {
1417                         compose_str = g_strdup("compose_attach\n");
1418                 }
1419
1420                 fd_write_all(uxsock, compose_str, strlen(compose_str));
1421                 g_free(compose_str);
1422
1423                 for (i = 0; i < cmd.attach_files->len; i++) {
1424                         str = g_ptr_array_index(cmd.attach_files, i);
1425                         fd_write_all(uxsock, str, strlen(str));
1426                         fd_write_all(uxsock, "\n", 1);
1427                 }
1428
1429                 fd_write_all(uxsock, ".\n", 2);
1430         } else if (cmd.compose) {
1431                 gchar *compose_str;
1432
1433                 if (cmd.compose_mailto) {
1434                         compose_str = g_strdup_printf
1435                                 ("compose %s\n", cmd.compose_mailto);
1436                 } else {
1437                         compose_str = g_strdup("compose\n");
1438                 }
1439
1440                 fd_write_all(uxsock, compose_str, strlen(compose_str));
1441                 g_free(compose_str);
1442         } else if (cmd.subscribe) {
1443                 gchar *str = g_strdup_printf("subscribe %s\n", cmd.subscribe_uri);
1444                 fd_write_all(uxsock, str, strlen(str));
1445                 g_free(str);
1446         } else if (cmd.send) {
1447                 fd_write_all(uxsock, "send\n", 5);
1448         } else if (cmd.online_mode == ONLINE_MODE_ONLINE) {
1449                 fd_write(uxsock, "online\n", 6);
1450         } else if (cmd.online_mode == ONLINE_MODE_OFFLINE) {
1451                 fd_write(uxsock, "offline\n", 7);
1452         } else if (cmd.status || cmd.status_full) {
1453                 gchar buf[BUFFSIZE];
1454                 gint i;
1455                 const gchar *command;
1456                 GPtrArray *folders;
1457                 gchar *folder;
1458  
1459                 command = cmd.status_full ? "status-full\n" : "status\n";
1460                 folders = cmd.status_full ? cmd.status_full_folders :
1461                         cmd.status_folders;
1462  
1463                 fd_write_all(uxsock, command, strlen(command));
1464                 for (i = 0; folders && i < folders->len; ++i) {
1465                         folder = g_ptr_array_index(folders, i);
1466                         fd_write_all(uxsock, folder, strlen(folder));
1467                         fd_write_all(uxsock, "\n", 1);
1468                 }
1469                 fd_write_all(uxsock, ".\n", 2);
1470                 for (;;) {
1471                         fd_gets(uxsock, buf, sizeof(buf));
1472                         if (!strncmp(buf, ".\n", 2)) break;
1473                         fputs(buf, stdout);
1474                 }
1475         } else if (cmd.exit) {
1476                 fd_write_all(uxsock, "exit\n", 5);
1477         } else if (cmd.target) {
1478                 gchar *str = g_strdup_printf("select %s\n", cmd.target);
1479                 fd_write_all(uxsock, str, strlen(str));
1480                 g_free(str);
1481         } else
1482                 fd_write_all(uxsock, "popup\n", 6);
1483
1484         fd_close(uxsock);
1485         return -1;
1486 }
1487
1488 static gint lock_socket_remove(void)
1489 {
1490 #ifdef G_OS_UNIX
1491         gchar *filename;
1492
1493         if (lock_socket < 0) {
1494                 return -1;
1495         }
1496
1497         if (lock_socket_tag > 0) {
1498                 gdk_input_remove(lock_socket_tag);
1499         }
1500         fd_close(lock_socket);
1501         filename = get_socket_name();
1502         g_unlink(filename);
1503 #endif
1504
1505         return 0;
1506 }
1507
1508 static GPtrArray *get_folder_item_list(gint sock)
1509 {
1510         gchar buf[BUFFSIZE];
1511         FolderItem *item;
1512         GPtrArray *folders = NULL;
1513
1514         for (;;) {
1515                 fd_gets(sock, buf, sizeof(buf));
1516                 if (!strncmp(buf, ".\n", 2)) {
1517                         break;
1518                 }
1519                 strretchomp(buf);
1520                 if (!folders) {
1521                         folders = g_ptr_array_new();
1522                 }
1523                 item = folder_find_item_from_identifier(buf);
1524                 if (item) {
1525                         g_ptr_array_add(folders, item);
1526                 } else {
1527                         g_warning("no such folder: %s\n", buf);
1528                 }
1529         }
1530
1531         return folders;
1532 }
1533
1534 static void lock_socket_input_cb(gpointer data,
1535                                  gint source,
1536                                  GdkInputCondition condition)
1537 {
1538         MainWindow *mainwin = (MainWindow *)data;
1539         gint sock;
1540         gchar buf[BUFFSIZE];
1541
1542         sock = fd_accept(source);
1543         fd_gets(sock, buf, sizeof(buf));
1544
1545         if (!strncmp(buf, "popup", 5)) {
1546                 main_window_popup(mainwin);
1547         } else if (!strncmp(buf, "receive_all", 11)) {
1548                 inc_all_account_mail(mainwin, FALSE,
1549                                      prefs_common.newmail_notify_manu);
1550         } else if (!strncmp(buf, "receive", 7)) {
1551                 inc_mail(mainwin, prefs_common.newmail_notify_manu);
1552         } else if (!strncmp(buf, "compose_attach", 14)) {
1553                 GPtrArray *files;
1554                 gchar *mailto;
1555
1556                 mailto = g_strdup(buf + strlen("compose_attach") + 1);
1557                 files = g_ptr_array_new();
1558                 while (fd_gets(sock, buf, sizeof(buf)) > 0) {
1559                         if (buf[0] == '.' && buf[1] == '\n') {
1560                                 break;
1561                         }
1562                         strretchomp(buf);
1563                         g_ptr_array_add(files, g_strdup(buf));
1564                 }
1565                 open_compose_new(mailto, files);
1566                 ptr_array_free_strings(files);
1567                 g_ptr_array_free(files, TRUE);
1568                 g_free(mailto);
1569         } else if (!strncmp(buf, "compose", 7)) {
1570                 open_compose_new(buf + strlen("compose") + 1, NULL);
1571         } else if (!strncmp(buf, "subscribe", 9)) {
1572                 main_window_popup(mainwin);
1573                 folder_subscribe(buf + strlen("subscribe") + 1);
1574         } else if (!strncmp(buf, "send", 4)) {
1575                 send_queue();
1576         } else if (!strncmp(buf, "online", 6)) {
1577                 main_window_toggle_work_offline(mainwin, FALSE, FALSE);
1578         } else if (!strncmp(buf, "offline", 7)) {
1579                 main_window_toggle_work_offline(mainwin, TRUE, FALSE);
1580         } else if (!strncmp(buf, "status-full", 11) ||
1581                    !strncmp(buf, "status", 6)) {
1582                 gchar *status;
1583                 GPtrArray *folders;
1584  
1585                 folders = get_folder_item_list(sock);
1586                 status = folder_get_status
1587                         (folders, !strncmp(buf, "status-full", 11));
1588                 fd_write_all(sock, status, strlen(status));
1589                 fd_write_all(sock, ".\n", 2);
1590                 g_free(status);
1591                 if (folders) g_ptr_array_free(folders, TRUE);
1592         } else if (!strncmp(buf, "select ", 7)) {
1593                 const gchar *target = buf+7;
1594                 mainwindow_jump_to(target);
1595         } else if (!strncmp(buf, "exit", 4)) {
1596                 app_will_exit(NULL, mainwin);
1597         }
1598
1599         fd_close(sock);
1600 }
1601
1602 static void open_compose_new(const gchar *address, GPtrArray *attach_files)
1603 {
1604         gchar *addr = NULL;
1605
1606         if (address) {
1607                 Xstrdup_a(addr, address, return);
1608                 g_strstrip(addr);
1609         }
1610
1611         compose_new(NULL, addr, attach_files);
1612 }
1613
1614 static void send_queue(void)
1615 {
1616         GList *list;
1617         gchar *errstr = NULL;
1618         for (list = folder_get_list(); list != NULL; list = list->next) {
1619                 Folder *folder = list->data;
1620
1621                 if (folder->queue) {
1622                         gint res = procmsg_send_queue
1623                                 (folder->queue, prefs_common.savemsg,
1624                                 &errstr);
1625
1626                         if (res) {
1627                                 folder_item_scan(folder->queue);
1628                         }
1629                 }
1630         }
1631         if (errstr) {
1632                 gchar *tmp = g_strdup_printf(_("Some errors occurred "
1633                                 "while sending queued messages:\n%s"), errstr);
1634                 g_free(errstr);
1635                 alertpanel_error_log(tmp);
1636                 g_free(tmp);
1637         } else {
1638                 alertpanel_error_log("Some errors occurred "
1639                                 "while sending queued messages.");
1640         }
1641 }
1642
1643 static void quit_signal_handler(int sig)
1644 {
1645         debug_print("Quitting on signal %d\n", sig);
1646
1647         g_timeout_add(0, clean_quit, NULL);
1648 }
1649
1650 static void install_basic_sighandlers()
1651 {
1652 #ifndef G_OS_WIN32
1653         sigset_t    mask;
1654         struct sigaction act;
1655
1656         sigemptyset(&mask);
1657
1658 #ifdef SIGTERM
1659         sigaddset(&mask, SIGTERM);
1660 #endif
1661 #ifdef SIGINT
1662         sigaddset(&mask, SIGINT);
1663 #endif
1664 #ifdef SIGHUP
1665         sigaddset(&mask, SIGHUP);
1666 #endif
1667
1668         act.sa_handler = quit_signal_handler;
1669         act.sa_mask    = mask;
1670         act.sa_flags   = 0;
1671
1672 #ifdef SIGTERM
1673         sigaction(SIGTERM, &act, 0);
1674 #endif
1675 #ifdef SIGINT
1676         sigaction(SIGINT, &act, 0);
1677 #endif  
1678 #ifdef SIGHUP
1679         sigaction(SIGHUP, &act, 0);
1680 #endif  
1681
1682         sigprocmask(SIG_UNBLOCK, &mask, 0);
1683 #endif /* !G_OS_WIN32 */
1684 }