0d071af3a27537b1a576903fadad54c295d19870
[claws.git] / src / main.c
1 /*
2  * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
3  * Copyright (C) 1999-2005 Hiroyuki Yamamoto
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 #include "wizard.h"
43 #ifdef HAVE_STARTUP_NOTIFICATION
44 # define SN_API_NOT_YET_FROZEN
45 # include <libsn/sn-launchee.h>
46 # include <gdk/gdkx.h>
47 #endif
48
49 #include "sylpheed.h"
50 #include "main.h"
51 #include "mainwindow.h"
52 #include "folderview.h"
53 #include "image_viewer.h"
54 #include "summaryview.h"
55 #include "prefs_common.h"
56 #include "prefs_account.h"
57 #include "prefs_actions.h"
58 #include "prefs_ext_prog.h"
59 #include "prefs_fonts.h"
60 #include "prefs_image_viewer.h"
61 #include "prefs_message.h"
62 #include "prefs_receive.h"
63 #include "prefs_msg_colors.h"
64 #include "prefs_quote.h"
65 #include "prefs_spelling.h"
66 #include "prefs_summaries.h"
67 #include "prefs_themes.h"
68 #include "prefs_other.h"
69 #include "prefs_send.h"
70 #include "prefs_wrapping.h"
71 #include "prefs_compose_writing.h"
72 #include "prefs_display_header.h"
73 #include "account.h"
74 #include "procmsg.h"
75 #include "inc.h"
76 #include "import.h"
77 #include "manage_window.h"
78 #include "alertpanel.h"
79 #include "statusbar.h"
80 #include "addressbook.h"
81 #include "compose.h"
82 #include "folder.h"
83 #include "setup.h"
84 #include "utils.h"
85 #include "gtkutils.h"
86 #include "socket.h"
87 #include "log.h"
88 #include "prefs_toolbar.h"
89 #include "plugin.h"
90 #include "mh_gtk.h"
91 #include "imap_gtk.h"
92 #include "news_gtk.h"
93 #include "matcher.h"
94 #ifdef HAVE_LIBETPAN
95 #include "imap-thread.h"
96 #endif
97 #include "stock_pixmap.h"
98
99 #if USE_OPENSSL
100 #  include "ssl.h"
101 #endif
102
103 #include "version.h"
104
105 #include "crash.h"
106
107 gchar *prog_version;
108 #ifdef CRASH_DIALOG
109 gchar *argv0;
110 #endif
111
112 #ifdef HAVE_STARTUP_NOTIFICATION
113 static SnLauncheeContext *sn_context = NULL;
114 static SnDisplay *sn_display = NULL;
115 #endif
116
117 static gint lock_socket = -1;
118 static gint lock_socket_tag = 0;
119
120 typedef enum 
121 {
122         ONLINE_MODE_DONT_CHANGE,
123         ONLINE_MODE_ONLINE,
124         ONLINE_MODE_OFFLINE
125 } OnlineMode;
126
127 static struct RemoteCmd {
128         gboolean receive;
129         gboolean receive_all;
130         gboolean compose;
131         const gchar *compose_mailto;
132         GPtrArray *attach_files;
133         gboolean status;
134         gboolean status_full;
135         GPtrArray *status_folders;
136         GPtrArray *status_full_folders;
137         gboolean send;
138         gboolean crash;
139         int online_mode;
140         gchar   *crash_params;
141 } cmd;
142
143 static void parse_cmd_opt(int argc, char *argv[]);
144
145 static gint prohibit_duplicate_launch   (void);
146 static gchar * get_crashfile_name       (void);
147 static gint lock_socket_remove          (void);
148 static void lock_socket_input_cb        (gpointer          data,
149                                          gint              source,
150                                          GdkInputCondition condition);
151 #ifndef CLAWS                                    
152 static 
153 #endif
154 gchar *get_socket_name          (void);
155
156
157 static void open_compose_new            (const gchar    *address,
158                                          GPtrArray      *attach_files);
159
160 static void send_queue                  (void);
161 static void initial_processing          (FolderItem *item, gpointer data);
162 static void quit_signal_handler         (int sig);
163 static void install_basic_sighandlers   (void);
164 static void exit_sylpheed               (MainWindow *mainwin);
165
166 #define MAKE_DIR_IF_NOT_EXIST(dir) \
167 { \
168         if (!is_dir_exist(dir)) { \
169                 if (is_file_exist(dir)) { \
170                         alertpanel_warning \
171                                 (_("File '%s' already exists.\n" \
172                                    "Can't create folder."), \
173                                  dir); \
174                         return 1; \
175                 } \
176                 if (make_dir(dir) < 0) \
177                         return 1; \
178         } \
179 }
180
181 static MainWindow *static_mainwindow;
182
183 #ifdef HAVE_STARTUP_NOTIFICATION
184 static void sn_error_trap_push(SnDisplay *display, Display *xdisplay)
185 {
186         gdk_error_trap_push();
187 }
188
189 static void sn_error_trap_pop(SnDisplay *display, Display *xdisplay)
190 {
191         gdk_error_trap_pop();
192 }
193
194 static void startup_notification_complete(gboolean with_window)
195 {
196         Display *xdisplay;
197         GtkWidget *hack = NULL;
198
199         if (with_window) {
200                 /* this is needed to make the startup notification leave,
201                  * if we have been launched from a menu.
202                  * We have to display a window, so let it be very little */
203                 hack = gtk_window_new(GTK_WINDOW_POPUP);
204                 gtk_widget_set_uposition(hack, 0, 0);
205                 gtk_widget_set_size_request(hack, 1, 1);
206                 gtk_widget_show(hack);
207         }
208
209         xdisplay = GDK_DISPLAY();
210         sn_display = sn_display_new(xdisplay,
211                                 sn_error_trap_push,
212                                 sn_error_trap_pop);
213         sn_context = sn_launchee_context_new_from_environment(sn_display,
214                                                  DefaultScreen(xdisplay));
215
216         if (sn_context != NULL)
217         {
218                 sn_launchee_context_complete(sn_context);
219                 sn_launchee_context_unref(sn_context);
220                 sn_display_unref(sn_display);
221         }
222 }
223 #endif /* HAVE_STARTUP_NOTIFICATION */
224
225 void sylpheed_gtk_idle(void) 
226 {
227         while(gtk_events_pending())
228                 gtk_main_iteration();
229         usleep(50000);
230 }
231
232 gboolean defer_check_all(void *data)
233 {
234         gboolean autochk = GPOINTER_TO_INT(data);
235
236         inc_all_account_mail(static_mainwindow, autochk, 
237                         prefs_common.newmail_notify_manu);
238
239         return FALSE;
240 }
241
242 gboolean defer_check(void *data)
243 {
244         inc_mail(static_mainwindow, prefs_common.newmail_notify_manu);
245
246         return FALSE;
247 }
248
249 int main(int argc, char *argv[])
250 {
251         gchar *userrc;
252         MainWindow *mainwin;
253         FolderView *folderview;
254         GdkPixbuf *icon;
255         gboolean crash_file_present = FALSE;
256
257         if (!sylpheed_init(&argc, &argv)) {
258                 return 0;
259         }
260
261         prog_version = PROG_VERSION;
262 #ifdef CRASH_DIALOG
263         argv0 = g_strdup(argv[0]);
264 #endif
265
266         parse_cmd_opt(argc, argv);
267
268 #ifdef CRASH_DIALOG
269         if (cmd.crash) {
270                 gtk_set_locale();
271                 gtk_init(&argc, &argv);
272                 crash_main(cmd.crash_params);
273                 return 0;
274         }
275         crash_install_handlers();
276 #endif
277         install_basic_sighandlers();
278         sock_init();
279
280         /* check and create unix domain socket for remote operation */
281 #ifdef G_OS_UNIX
282         lock_socket = prohibit_duplicate_launch();
283         if (lock_socket < 0) {
284 #ifdef HAVE_STARTUP_NOTIFICATION
285                 if(gtk_init_check(&argc, &argv))
286                         startup_notification_complete(TRUE);
287 #endif
288                 return 0;
289         }
290
291         if (cmd.status || cmd.status_full) {
292                 puts("0 Sylpheed not running.");
293                 lock_socket_remove();
294                 return 0;
295         }
296 #endif
297         g_thread_init(NULL);
298         /* gdk_threads_init(); */
299
300         gtk_set_locale();
301         gtk_init(&argc, &argv);
302
303         gdk_rgb_init();
304         gtk_widget_set_default_colormap(gdk_rgb_get_colormap());
305         gtk_widget_set_default_visual(gdk_rgb_get_visual());
306
307         if (!g_thread_supported())
308                 g_error(_("g_thread is not supported by glib.\n"));
309
310         /* parse gtkrc files */
311         userrc = g_strconcat(get_home_dir(), G_DIR_SEPARATOR_S, ".gtkrc-2.0",
312                              NULL);
313         gtk_rc_parse(userrc);
314         g_free(userrc);
315         userrc = g_strconcat(get_home_dir(), G_DIR_SEPARATOR_S, ".gtk",
316                              G_DIR_SEPARATOR_S, "gtkrc-2.0", NULL);
317         gtk_rc_parse(userrc);
318         g_free(userrc);
319         userrc = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S, "gtkrc-2.0", NULL);
320         gtk_rc_parse(userrc);
321         g_free(userrc);
322
323         userrc = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S, MENU_RC, NULL);
324         gtk_accel_map_load (userrc);
325         g_free(userrc);
326
327         gtk_settings_set_long_property(gtk_settings_get_default(), 
328                                        "gtk-can-change-accels",
329                                        (glong)TRUE, "XProperty");
330
331         CHDIR_RETURN_VAL_IF_FAIL(get_home_dir(), 1);
332
333         MAKE_DIR_IF_NOT_EXIST(RC_DIR);
334
335         CHDIR_RETURN_VAL_IF_FAIL(get_rc_dir(), 1);
336
337         MAKE_DIR_IF_NOT_EXIST(get_imap_cache_dir());
338         MAKE_DIR_IF_NOT_EXIST(get_news_cache_dir());
339         MAKE_DIR_IF_NOT_EXIST(get_mime_tmp_dir());
340         MAKE_DIR_IF_NOT_EXIST(get_tmp_dir());
341         MAKE_DIR_IF_NOT_EXIST(UIDL_DIR);
342
343         crash_file_present = is_file_exist(get_crashfile_name());
344         /* remove temporary files */
345         remove_all_files(get_tmp_dir());
346         remove_all_files(get_mime_tmp_dir());
347
348         if (is_file_exist("sylpheed.log")) {
349                 if (rename_force("sylpheed.log", "sylpheed.log.bak") < 0)
350                         FILE_OP_ERROR("sylpheed.log", "rename");
351         }
352         set_log_file("sylpheed.log");
353
354         CHDIR_RETURN_VAL_IF_FAIL(get_home_dir(), 1);
355
356         folder_system_init();
357         prefs_common_read_config();
358
359         prefs_themes_init();
360         prefs_fonts_init();
361         prefs_ext_prog_init();
362         prefs_wrapping_init();
363         prefs_compose_writing_init();
364         prefs_msg_colors_init();
365         image_viewer_init();
366         prefs_image_viewer_init();
367         prefs_quote_init();
368         prefs_summaries_init();
369         prefs_message_init();
370         prefs_other_init();
371         prefs_receive_init();
372         prefs_send_init();
373 #ifdef USE_ASPELL
374         gtkaspell_checkers_init();
375         prefs_spelling_init();
376 #endif
377         
378         sock_set_io_timeout(prefs_common.io_timeout_secs);
379 #ifdef HAVE_LIBETPAN
380         imap_main_set_timeout(prefs_common.io_timeout_secs);
381 #endif
382         prefs_actions_read_config();
383         prefs_display_header_read_config();
384         /* prefs_filtering_read_config(); */
385         addressbook_read_file();
386         renderer_read_config();
387
388         gtkut_widget_init();
389         stock_pixbuf_gdk(NULL, STOCK_PIXMAP_SYLPHEED_ICON, &icon);
390         gtk_window_set_default_icon(icon);
391
392         folderview_initialize();
393
394         mh_gtk_init();
395         imap_gtk_init();
396         news_gtk_init();
397                 
398         mainwin = main_window_create
399                 (prefs_common.sep_folder | prefs_common.sep_msg << 1);
400         folderview = mainwin->folderview;
401
402         gtk_clist_freeze(GTK_CLIST(mainwin->folderview->ctree));
403         folder_item_update_freeze();
404
405         /* register the callback of unix domain socket input */
406 #ifdef G_OS_UNIX
407         lock_socket_tag = gdk_input_add(lock_socket,
408                                         GDK_INPUT_READ | GDK_INPUT_EXCEPTION,
409                                         lock_socket_input_cb,
410                                         mainwin);
411 #endif
412
413         prefs_account_init();
414         account_read_config_all();
415
416         if (folder_read_list() < 0) {
417                 if (!run_wizard(mainwin, TRUE))
418                         exit(1);
419                 folder_write_list();
420         }
421
422         if (!account_get_list()) {
423                 if (!run_wizard(mainwin, FALSE))
424                         exit(1);
425                 account_read_config_all();
426                 if(!account_get_list())
427                         exit_sylpheed(mainwin);
428         }
429
430 #ifdef HAVE_LIBETPAN
431         imap_main_init();
432 #endif  
433         account_set_missing_folder();
434         folder_set_missing_folders();
435         folderview_set(folderview);
436
437         prefs_matcher_read_config();
438
439         /* make one all-folder processing before using sylpheed */
440         main_window_cursor_wait(mainwin);
441         folder_func_to_all_folders(initial_processing, (gpointer *)mainwin);
442
443         /* if Sylpheed crashed, rebuild caches */
444         if (!cmd.crash && crash_file_present) {
445                 debug_print("Sylpheed crashed, checking for new messages in local folders\n");
446                 folder_item_update_thaw();
447                 folderview_check_new(NULL);
448                 folder_clean_cache_memory_force();
449                 folder_item_update_freeze();
450         }
451         /* make the crash-indicator file */
452         str_write_to_file("foo", get_crashfile_name());
453
454         addressbook_read_file();
455
456         inc_autocheck_timer_init(mainwin);
457
458         /* ignore SIGPIPE signal for preventing sudden death of program */
459 #ifdef G_OS_UNIX
460         signal(SIGPIPE, SIG_IGN);
461 #endif
462         if (cmd.online_mode == ONLINE_MODE_OFFLINE)
463                 main_window_toggle_work_offline(mainwin, TRUE, FALSE);
464         if (cmd.online_mode == ONLINE_MODE_ONLINE)
465                 main_window_toggle_work_offline(mainwin, FALSE, FALSE);
466
467         if (cmd.status_folders) {
468                 g_ptr_array_free(cmd.status_folders, TRUE);
469                 cmd.status_folders = NULL;
470         }
471         if (cmd.status_full_folders) {
472                 g_ptr_array_free(cmd.status_full_folders, TRUE);
473                 cmd.status_full_folders = NULL;
474         }
475
476         sylpheed_register_idle_function(sylpheed_gtk_idle);
477
478         prefs_toolbar_init();
479
480         plugin_load_all("GTK2");
481         
482         static_mainwindow = mainwin;
483
484 #ifdef HAVE_STARTUP_NOTIFICATION
485         startup_notification_complete(FALSE);
486 #endif
487         folder_item_update_thaw();
488         gtk_clist_thaw(GTK_CLIST(mainwin->folderview->ctree));
489         main_window_cursor_normal(mainwin);
490
491         if (cmd.receive_all)
492                 g_timeout_add(1000, defer_check_all, GINT_TO_POINTER(FALSE));
493         else if (prefs_common.chk_on_startup)
494                 g_timeout_add(1000, defer_check_all, GINT_TO_POINTER(TRUE));
495         else if (cmd.receive)
496                 g_timeout_add(1000, defer_check, NULL);
497         else
498                 gtk_widget_grab_focus(folderview->ctree);
499
500         if (cmd.compose)
501                 open_compose_new(cmd.compose_mailto, cmd.attach_files);
502         if (cmd.attach_files) {
503                 ptr_array_free_strings(cmd.attach_files);
504                 g_ptr_array_free(cmd.attach_files, TRUE);
505                 cmd.attach_files = NULL;
506         }
507         if (cmd.send)
508                 send_queue();
509         
510         gtk_main();
511
512         exit_sylpheed(mainwin);
513
514         return 0;
515 }
516
517 static void save_all_caches(FolderItem *item, gpointer data)
518 {
519         if (!item->cache)
520                 return;
521         folder_item_write_cache(item);
522 }
523
524 static void exit_sylpheed(MainWindow *mainwin)
525 {
526         gchar *filename;
527
528         debug_print("shutting down\n");
529         inc_autocheck_timer_remove();
530
531         if (prefs_common.clean_on_exit)
532                 main_window_empty_trash(mainwin, prefs_common.ask_on_clean);
533
534         /* save prefs for opened folder */
535         if(mainwin->folderview->opened)
536         {
537                 FolderItem *item;
538
539                 item = gtk_ctree_node_get_row_data(GTK_CTREE(mainwin->folderview->ctree), mainwin->folderview->opened);
540                 summary_save_prefs_to_folderitem(mainwin->folderview->summaryview, item);
541         }
542
543         /* save all state before exiting */
544         folder_write_list();
545         folder_func_to_all_folders(save_all_caches, NULL);
546
547         main_window_get_size(mainwin);
548         main_window_get_position(mainwin);
549         prefs_common_write_config();
550         account_write_config_all();
551         addressbook_export_to_file();
552
553         filename = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S, MENU_RC, NULL);
554         gtk_accel_map_save(filename);
555         g_free(filename);
556
557         /* delete temporary files */
558         remove_all_files(get_tmp_dir());
559         remove_all_files(get_mime_tmp_dir());
560
561         close_log_file();
562
563 #ifdef HAVE_LIBETPAN
564         imap_main_done();
565 #endif
566         /* delete crashfile */
567         if (!cmd.crash)
568                 g_unlink(get_crashfile_name());
569
570         lock_socket_remove();
571
572         main_window_destroy(mainwin);
573         
574         plugin_unload_all("GTK2");
575
576         prefs_toolbar_done();
577
578         addressbook_destroy();
579
580         prefs_themes_done();
581         prefs_fonts_done();
582         prefs_ext_prog_done();
583         prefs_wrapping_done();
584         prefs_compose_writing_done();
585         prefs_msg_colors_done();
586         prefs_image_viewer_done();
587         image_viewer_done();
588         prefs_quote_done();
589         prefs_summaries_done();
590         prefs_message_done();
591         prefs_other_done();
592         prefs_receive_done();
593         prefs_send_done();
594 #ifdef USE_ASPELL       
595         prefs_spelling_done();
596         gtkaspell_checkers_quit();
597 #endif
598         sylpheed_done();
599
600 }
601
602 static void parse_cmd_opt(int argc, char *argv[])
603 {
604         gint i;
605
606         for (i = 1; i < argc; i++) {
607                 if (!strncmp(argv[i], "--receive-all", 13))
608                         cmd.receive_all = TRUE;
609                 else if (!strncmp(argv[i], "--receive", 9))
610                         cmd.receive = TRUE;
611                 else if (!strncmp(argv[i], "--compose", 9)) {
612                         const gchar *p = argv[i + 1];
613
614                         cmd.compose = TRUE;
615                         cmd.compose_mailto = NULL;
616                         if (p && *p != '\0' && *p != '-') {
617                                 if (!strncmp(p, "mailto:", 7))
618                                         cmd.compose_mailto = p + 7;
619                                 else
620                                         cmd.compose_mailto = p;
621                                 i++;
622                         }
623                 } else if (!strncmp(argv[i], "--attach", 8)) {
624                         const gchar *p = argv[i + 1];
625                         gchar *file;
626
627                         while (p && *p != '\0' && *p != '-') {
628                                 if (!cmd.attach_files)
629                                         cmd.attach_files = g_ptr_array_new();
630                                 if (*p != G_DIR_SEPARATOR)
631                                         file = g_strconcat(sylpheed_get_startup_dir(),
632                                                            G_DIR_SEPARATOR_S,
633                                                            p, NULL);
634                                 else
635                                         file = g_strdup(p);
636                                 g_ptr_array_add(cmd.attach_files, file);
637                                 i++;
638                                 p = argv[i + 1];
639                         }
640                 } else if (!strncmp(argv[i], "--send", 6)) {
641                         cmd.send = TRUE;
642                 } else if (!strncmp(argv[i], "--version", 9)) {
643                         puts("Sylpheed version " VERSION);
644                         exit(0);
645                 } else if (!strncmp(argv[i], "--status-full", 13)) {
646                         const gchar *p = argv[i + 1];
647  
648                         cmd.status_full = TRUE;
649                         while (p && *p != '\0' && *p != '-') {
650                                 if (!cmd.status_full_folders)
651                                         cmd.status_full_folders =
652                                                 g_ptr_array_new();
653                                 g_ptr_array_add(cmd.status_full_folders,
654                                                 g_strdup(p));
655                                 i++;
656                                 p = argv[i + 1];
657                         }
658                 } else if (!strncmp(argv[i], "--status", 8)) {
659                         const gchar *p = argv[i + 1];
660  
661                         cmd.status = TRUE;
662                         while (p && *p != '\0' && *p != '-') {
663                                 if (!cmd.status_folders)
664                                         cmd.status_folders = g_ptr_array_new();
665                                 g_ptr_array_add(cmd.status_folders,
666                                                 g_strdup(p));
667                                 i++;
668                                 p = argv[i + 1];
669                         }
670                 } else if (!strncmp(argv[i], "--online", 8)) {
671                         cmd.online_mode = ONLINE_MODE_ONLINE;
672                 } else if (!strncmp(argv[i], "--offline", 9)) {
673                         cmd.online_mode = ONLINE_MODE_OFFLINE;
674                 } else if (!strncmp(argv[i], "--help", 6)) {
675                         gchar *base = g_path_get_basename(argv[0]);
676                         g_print(_("Usage: %s [OPTION]...\n"), base);
677
678                         g_print("%s\n", _("  --compose [address]    open composition window"));
679                         g_print("%s\n", _("  --attach file1 [file2]...\n"
680                                   "                         open composition window with specified files\n"
681                                   "                         attached"));
682                         g_print("%s\n", _("  --receive              receive new messages"));
683                         g_print("%s\n", _("  --receive-all          receive new messages of all accounts"));
684                         g_print("%s\n", _("  --send                 send all queued messages"));
685                         g_print("%s\n", _("  --status [folder]...   show the total number of messages"));
686                         g_print("%s\n", _("  --status-full [folder]...\n"
687                                "                         show the status of each folder"));
688                         g_print("%s\n", _("  --online               switch to online mode"));
689                         g_print("%s\n", _("  --offline              switch to offline mode"));
690                         g_print("%s\n", _("  --debug                debug mode"));
691                         g_print("%s\n", _("  --help                 display this help and exit"));
692                         g_print("%s\n", _("  --version              output version information and exit"));
693                         g_print("%s\n", _("  --config-dir           output configuration directory"));
694
695                         g_free(base);
696                         exit(1);
697                 } else if (!strncmp(argv[i], "--crash", 7)) {
698                         cmd.crash = TRUE;
699                         cmd.crash_params = g_strdup(argv[i + 1]);
700                         i++;
701                 } else if (!strncmp(argv[i], "--config-dir", sizeof "--config-dir" - 1)) {
702                         puts(RC_DIR);
703                         exit(0);
704                 }
705                 
706         }
707
708         if (cmd.attach_files && cmd.compose == FALSE) {
709                 cmd.compose = TRUE;
710                 cmd.compose_mailto = NULL;
711         }
712 }
713
714 static gint get_queued_message_num(void)
715 {
716         FolderItem *queue;
717
718         queue = folder_get_default_queue();
719         if (!queue) return -1;
720
721         folder_item_scan(queue);
722         return queue->total_msgs;
723 }
724
725 static void initial_processing(FolderItem *item, gpointer data)
726 {
727         MainWindow *mainwin = (MainWindow *)data;
728         gchar *buf;
729
730         g_return_if_fail(item);
731         buf = g_strdup_printf(_("Processing (%s)..."), 
732                               item->path 
733                               ? item->path 
734                               : _("top level folder"));
735         debug_print("%s\n", buf);
736         g_free(buf);
737
738         
739         if (item->prefs->enable_processing)
740                 folder_item_apply_processing(item);
741
742         debug_print("done.\n");
743         STATUSBAR_POP(mainwin);
744 }
745
746 static void draft_all_messages(void)
747 {
748         GList *compose_list = NULL;
749         
750         while ((compose_list = compose_get_compose_list()) != NULL) {
751                 Compose *c = (Compose*)compose_list->data;
752                 compose_draft(c);
753         }       
754 }
755
756 gboolean clean_quit(gpointer data)
757 {
758         static gboolean firstrun = TRUE;
759
760         if (!firstrun)
761                 return FALSE;
762         firstrun = FALSE;
763
764         /*!< Good idea to have the main window stored in a 
765          *   static variable so we can check that variable
766          *   to see if we're really allowed to do things
767          *   that actually the spawner is supposed to 
768          *   do (like: sending mail, composing messages).
769          *   Because, really, if we're the spawnee, and
770          *   we touch GTK stuff, we're hosed. See the 
771          *   next fixme. */
772
773         /* FIXME: Use something else to signal that we're
774          * in the original spawner, and not in a spawned
775          * child. */
776         if (!static_mainwindow) 
777                 return FALSE;
778                 
779         draft_all_messages();
780
781         exit_sylpheed(static_mainwindow);
782         exit(0);
783
784         return FALSE;
785 }
786
787 void app_will_exit(GtkWidget *widget, gpointer data)
788 {
789         MainWindow *mainwin = data;
790
791         if (compose_get_compose_list()) {
792                 gint val = alertpanel(_("Really quit?"),
793                                _("Composing message exists."),
794                                _("_Save to Draft"), _("_Discard them"), _("Do_n't quit"));
795                 switch (val) {
796                         case G_ALERTOTHER:
797                                 return;
798                         case G_ALERTALTERNATE:
799                                 break;
800                         default:
801                                 draft_all_messages();
802                 }
803
804                 manage_window_focus_in(mainwin->window, NULL, NULL);
805         }
806
807         if (prefs_common.warn_queued_on_exit && get_queued_message_num() > 0) {
808                 if (alertpanel(_("Queued messages"),
809                                _("Some unsent messages are queued. Exit now?"),
810                                GTK_STOCK_OK, GTK_STOCK_CANCEL, NULL)
811                     != G_ALERTDEFAULT)
812                         return;
813                 manage_window_focus_in(mainwin->window, NULL, NULL);
814         }
815
816         sock_cleanup();
817
818         gtk_main_quit();
819 }
820
821 /*
822  * CLAWS: want this public so crash dialog can delete the
823  * lock file too
824  */
825 #ifndef CLAWS
826 static
827 #endif
828 gchar *get_socket_name(void)
829 {
830         static gchar *filename = NULL;
831
832         if (filename == NULL) {
833                 filename = g_strdup_printf("%s%csylpheed-%d",
834                                            g_get_tmp_dir(), G_DIR_SEPARATOR,
835 #if HAVE_GETUID
836                                            getuid());
837 #else
838                                            0);                                          
839 #endif
840         }
841
842         return filename;
843 }
844
845 static gchar *get_crashfile_name(void)
846 {
847         static gchar *filename = NULL;
848
849         if (filename == NULL) {
850                 filename = g_strdup_printf("%s%csylpheed-crashed",
851                                            get_tmp_dir(), G_DIR_SEPARATOR);
852         }
853
854         return filename;
855 }
856
857 static gint prohibit_duplicate_launch(void)
858 {
859         gint uxsock;
860         gchar *path;
861
862         path = get_socket_name();
863         uxsock = fd_connect_unix(path);
864         if (uxsock < 0) {
865                 g_unlink(path);
866                 return fd_open_unix(path);
867         }
868
869         /* remote command mode */
870
871         debug_print("another Sylpheed is already running.\n");
872
873         if (cmd.receive_all)
874                 fd_write_all(uxsock, "receive_all\n", 12);
875         else if (cmd.receive)
876                 fd_write_all(uxsock, "receive\n", 8);
877         else if (cmd.compose && cmd.attach_files) {
878                 gchar *str, *compose_str;
879                 gint i;
880
881                 if (cmd.compose_mailto)
882                         compose_str = g_strdup_printf("compose_attach %s\n",
883                                                       cmd.compose_mailto);
884                 else
885                         compose_str = g_strdup("compose_attach\n");
886
887                 fd_write_all(uxsock, compose_str, strlen(compose_str));
888                 g_free(compose_str);
889
890                 for (i = 0; i < cmd.attach_files->len; i++) {
891                         str = g_ptr_array_index(cmd.attach_files, i);
892                         fd_write_all(uxsock, str, strlen(str));
893                         fd_write_all(uxsock, "\n", 1);
894                 }
895
896                 fd_write_all(uxsock, ".\n", 2);
897         } else if (cmd.compose) {
898                 gchar *compose_str;
899
900                 if (cmd.compose_mailto)
901                         compose_str = g_strdup_printf
902                                 ("compose %s\n", cmd.compose_mailto);
903                 else
904                         compose_str = g_strdup("compose\n");
905
906                 fd_write_all(uxsock, compose_str, strlen(compose_str));
907                 g_free(compose_str);
908         } else if (cmd.send) {
909                 fd_write_all(uxsock, "send\n", 5);
910         } else if (cmd.online_mode == ONLINE_MODE_ONLINE) {
911                 fd_write(uxsock, "online\n", 6);
912         } else if (cmd.online_mode == ONLINE_MODE_OFFLINE) {
913                 fd_write(uxsock, "offline\n", 7);
914         } else if (cmd.status || cmd.status_full) {
915                 gchar buf[BUFFSIZE];
916                 gint i;
917                 const gchar *command;
918                 GPtrArray *folders;
919                 gchar *folder;
920  
921                 command = cmd.status_full ? "status-full\n" : "status\n";
922                 folders = cmd.status_full ? cmd.status_full_folders :
923                         cmd.status_folders;
924  
925                 fd_write_all(uxsock, command, strlen(command));
926                 for (i = 0; folders && i < folders->len; ++i) {
927                         folder = g_ptr_array_index(folders, i);
928                         fd_write_all(uxsock, folder, strlen(folder));
929                         fd_write_all(uxsock, "\n", 1);
930                 }
931                 fd_write_all(uxsock, ".\n", 2);
932                 for (;;) {
933                         fd_gets(uxsock, buf, sizeof(buf));
934                         if (!strncmp(buf, ".\n", 2)) break;
935                         fputs(buf, stdout);
936                 }
937         } else
938                 fd_write_all(uxsock, "popup\n", 6);
939
940         fd_close(uxsock);
941         return -1;
942 }
943
944 static gint lock_socket_remove(void)
945 {
946 #ifdef G_OS_UNIX
947         gchar *filename;
948
949         if (lock_socket < 0) return -1;
950
951         if (lock_socket_tag > 0)
952                 gdk_input_remove(lock_socket_tag);
953         fd_close(lock_socket);
954         filename = get_socket_name();
955         g_unlink(filename);
956 #endif
957
958         return 0;
959 }
960
961 static GPtrArray *get_folder_item_list(gint sock)
962 {
963         gchar buf[BUFFSIZE];
964         FolderItem *item;
965         GPtrArray *folders = NULL;
966
967         for (;;) {
968                 fd_gets(sock, buf, sizeof(buf));
969                 if (!strncmp(buf, ".\n", 2)) break;
970                 strretchomp(buf);
971                 if (!folders) folders = g_ptr_array_new();
972                 item = folder_find_item_from_identifier(buf);
973                 if (item)
974                         g_ptr_array_add(folders, item);
975                 else
976                         g_warning("no such folder: %s\n", buf);
977         }
978
979         return folders;
980 }
981
982 static void lock_socket_input_cb(gpointer data,
983                                  gint source,
984                                  GdkInputCondition condition)
985 {
986         MainWindow *mainwin = (MainWindow *)data;
987         gint sock;
988         gchar buf[BUFFSIZE];
989
990         sock = fd_accept(source);
991         fd_gets(sock, buf, sizeof(buf));
992
993         if (!strncmp(buf, "popup", 5)) {
994                 main_window_popup(mainwin);
995         } else if (!strncmp(buf, "receive_all", 11)) {
996                 inc_all_account_mail(mainwin, FALSE,
997                                      prefs_common.newmail_notify_manu);
998         } else if (!strncmp(buf, "receive", 7)) {
999                 inc_mail(mainwin, prefs_common.newmail_notify_manu);
1000         } else if (!strncmp(buf, "compose_attach", 14)) {
1001                 GPtrArray *files;
1002                 gchar *mailto;
1003
1004                 mailto = g_strdup(buf + strlen("compose_attach") + 1);
1005                 files = g_ptr_array_new();
1006                 while (fd_gets(sock, buf, sizeof(buf)) > 0) {
1007                         if (buf[0] == '.' && buf[1] == '\n') break;
1008                         strretchomp(buf);
1009                         g_ptr_array_add(files, g_strdup(buf));
1010                 }
1011                 open_compose_new(mailto, files);
1012                 ptr_array_free_strings(files);
1013                 g_ptr_array_free(files, TRUE);
1014                 g_free(mailto);
1015         } else if (!strncmp(buf, "compose", 7)) {
1016                 open_compose_new(buf + strlen("compose") + 1, NULL);
1017         } else if (!strncmp(buf, "send", 4)) {
1018                 send_queue();
1019         } else if (!strncmp(buf, "online", 6)) {
1020                 main_window_toggle_work_offline(mainwin, FALSE, FALSE);
1021         } else if (!strncmp(buf, "offline", 7)) {
1022                 main_window_toggle_work_offline(mainwin, TRUE, FALSE);
1023         } else if (!strncmp(buf, "status-full", 11) ||
1024                    !strncmp(buf, "status", 6)) {
1025                 gchar *status;
1026                 GPtrArray *folders;
1027  
1028                 folders = get_folder_item_list(sock);
1029                 status = folder_get_status
1030                         (folders, !strncmp(buf, "status-full", 11));
1031                 fd_write_all(sock, status, strlen(status));
1032                 fd_write_all(sock, ".\n", 2);
1033                 g_free(status);
1034                 if (folders) g_ptr_array_free(folders, TRUE);
1035         }
1036
1037         fd_close(sock);
1038 }
1039
1040 static void open_compose_new(const gchar *address, GPtrArray *attach_files)
1041 {
1042         gchar *addr = NULL;
1043
1044         if (address) {
1045                 Xstrdup_a(addr, address, return);
1046                 g_strstrip(addr);
1047         }
1048
1049         compose_new(NULL, addr, attach_files);
1050 }
1051
1052 static void send_queue(void)
1053 {
1054         GList *list;
1055
1056         for (list = folder_get_list(); list != NULL; list = list->next) {
1057                 Folder *folder = list->data;
1058
1059                 if (folder->queue) {
1060                         gint res = procmsg_send_queue
1061                                 (folder->queue, prefs_common.savemsg);
1062
1063                         if (res < 0)    
1064                                 alertpanel_error(_("Some errors occurred while sending queued messages."));
1065                         if (res)        
1066                                 folder_item_scan(folder->queue);
1067                 }
1068         }
1069 }
1070
1071 static void quit_signal_handler(int sig)
1072 {
1073         debug_print("Quitting on signal %d\n", sig);
1074
1075         g_timeout_add(0, clean_quit, NULL);
1076 }
1077
1078 static void install_basic_sighandlers()
1079 {
1080         sigset_t    mask;
1081         struct sigaction act;
1082
1083         sigemptyset(&mask);
1084
1085 #ifdef SIGTERM
1086         sigaddset(&mask, SIGTERM);
1087 #endif
1088 #ifdef SIGINT
1089         sigaddset(&mask, SIGINT);
1090 #endif
1091 #ifdef SIGHUP
1092         sigaddset(&mask, SIGHUP);
1093 #endif
1094
1095         act.sa_handler = quit_signal_handler;
1096         act.sa_mask    = mask;
1097         act.sa_flags   = 0;
1098
1099 #ifdef SIGTERM
1100         sigaction(SIGTERM, &act, 0);
1101 #endif
1102 #ifdef SIGINT
1103         sigaction(SIGINT, &act, 0);
1104 #endif  
1105 #ifdef SIGHUP
1106         sigaction(SIGHUP, &act, 0);
1107 #endif  
1108
1109         sigprocmask(SIG_UNBLOCK, &mask, 0);
1110 }