2004-09-27 [colin] 0.9.12cvs104.1
[claws.git] / src / main.c
1 /*
2  * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
3  * Copyright (C) 1999-2004 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, 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 <gtk/gtkmain.h>
28 #include <gtk/gtkrc.h>
29
30 #include <stdio.h>
31 #include <stdlib.h>
32 #include <string.h>
33 #include <ctype.h>
34 #include <unistd.h>
35 #include <time.h>
36 #include <sys/stat.h>
37 #include <sys/types.h>
38 #include <signal.h>
39 #include "wizard.h"
40 #ifdef HAVE_STARTUP_NOTIFICATION
41 # define SN_API_NOT_YET_FROZEN
42 # include <libsn/sn-launchee.h>
43 # include <gdk/gdkx.h>
44 #endif
45
46 #if USE_GPGME
47 #  include <gpgme.h>
48 #  include "passphrase.h"
49 #endif
50
51 #include "sylpheed.h"
52 #include "intl.h"
53 #include "main.h"
54 #include "mainwindow.h"
55 #include "folderview.h"
56 #include "summaryview.h"
57 #include "prefs_common.h"
58 #include "prefs_account.h"
59 #include "prefs_actions.h"
60 #include "prefs_ext_prog.h"
61 #include "prefs_fonts.h"
62 #include "prefs_msg_colors.h"
63 #include "prefs_spelling.h"
64 #include "prefs_themes.h"
65 #include "prefs_wrapping.h"
66 #include "prefs_display_header.h"
67 #include "account.h"
68 #include "procmsg.h"
69 #include "inc.h"
70 #include "import.h"
71 #include "manage_window.h"
72 #include "alertpanel.h"
73 #include "statusbar.h"
74 #include "addressbook.h"
75 #include "compose.h"
76 #include "folder.h"
77 #include "setup.h"
78 #include "utils.h"
79 #include "gtkutils.h"
80 #include "socket.h"
81 #include "log.h"
82 #include "prefs_toolbar.h"
83 #include "plugin.h"
84 #include "mh_gtk.h"
85 #include "imap_gtk.h"
86 #include "news_gtk.h"
87 #include "matcher.h"
88
89 #if USE_OPENSSL
90 #  include "ssl.h"
91 #endif
92
93 #include "version.h"
94
95 #include "crash.h"
96
97 gchar *prog_version;
98 #ifdef CRASH_DIALOG
99 gchar *argv0;
100 #endif
101
102 #ifdef HAVE_STARTUP_NOTIFICATION
103 static SnLauncheeContext *sn_context = NULL;
104 static SnDisplay *sn_display = NULL;
105 #endif
106
107 static gint lock_socket = -1;
108 static gint lock_socket_tag = 0;
109
110 typedef enum 
111 {
112         ONLINE_MODE_DONT_CHANGE,
113         ONLINE_MODE_ONLINE,
114         ONLINE_MODE_OFFLINE
115 } OnlineMode;
116
117 static struct RemoteCmd {
118         gboolean receive;
119         gboolean receive_all;
120         gboolean compose;
121         const gchar *compose_mailto;
122         GPtrArray *attach_files;
123         gboolean status;
124         gboolean status_full;
125         GPtrArray *status_folders;
126         GPtrArray *status_full_folders;
127         gboolean send;
128         gboolean crash;
129         int online_mode;
130         gchar   *crash_params;
131 } cmd;
132
133 static void parse_cmd_opt(int argc, char *argv[]);
134
135 static gint prohibit_duplicate_launch   (void);
136 static gchar * get_crashfile_name       (void);
137 static gint lock_socket_remove          (void);
138 static void lock_socket_input_cb        (gpointer          data,
139                                          gint              source,
140                                          GdkInputCondition condition);
141 #ifndef CLAWS                                    
142 static 
143 #endif
144 gchar *get_socket_name          (void);
145
146
147 static void open_compose_new            (const gchar    *address,
148                                          GPtrArray      *attach_files);
149
150 static void send_queue                  (void);
151 static void initial_processing          (FolderItem *item, gpointer data);
152 static void quit_signal_handler         (int sig);
153 static void install_basic_sighandlers   (void);
154 static void exit_sylpheed               (MainWindow *mainwin);
155
156 #if 0
157 /* for gettext */
158 _("File `%s' already exists.\n"
159   "Can't create folder.")
160 #endif
161
162 #define MAKE_DIR_IF_NOT_EXIST(dir) \
163 { \
164         if (!is_dir_exist(dir)) { \
165                 if (is_file_exist(dir)) { \
166                         alertpanel_warning \
167                                 (_("File `%s' already exists.\n" \
168                                    "Can't create folder."), \
169                                  dir); \
170                         return 1; \
171                 } \
172                 if (make_dir(dir) < 0) \
173                         return 1; \
174         } \
175 }
176
177 static MainWindow *static_mainwindow;
178
179 #ifdef HAVE_STARTUP_NOTIFICATION
180 static void sn_error_trap_push(SnDisplay *display, Display *xdisplay)
181 {
182         gdk_error_trap_push();
183 }
184
185 static void sn_error_trap_pop(SnDisplay *display, Display *xdisplay)
186 {
187         gdk_error_trap_pop();
188 }
189
190 static void startup_notification_complete(gboolean with_window)
191 {
192         Display *xdisplay;
193         GtkWidget *hack = NULL;
194
195         if (with_window) {
196                 /* this is needed to make the startup notification leave,
197                  * if we have been launched from a menu.
198                  * We have to display a window, so let it be very little */
199                 hack = gtk_window_new(GTK_WINDOW_POPUP);
200                 gtk_widget_set_uposition(hack, 0, 0);
201                 gtk_widget_set_usize(hack, 1, 1);
202                 gtk_widget_show(hack);
203         }
204
205         xdisplay = GDK_DISPLAY();
206         sn_display = sn_display_new(xdisplay,
207                                 sn_error_trap_push,
208                                 sn_error_trap_pop);
209         sn_context = sn_launchee_context_new_from_environment(sn_display,
210                                                  DefaultScreen(xdisplay));
211
212         if (sn_context != NULL)
213         {
214                 sn_launchee_context_complete(sn_context);
215                 sn_launchee_context_unref(sn_context);
216                 sn_display_unref(sn_display);
217         }
218 }
219 #endif /* HAVE_STARTUP_NOTIFICATION */
220
221 void sylpheed_gtk_idle(void) 
222 {
223         while(gtk_events_pending())
224                 gtk_main_iteration();
225 }
226
227 int main(int argc, char *argv[])
228 {
229         gchar *userrc;
230         MainWindow *mainwin;
231         FolderView *folderview;
232
233         if (!sylpheed_init(&argc, &argv)) {
234                 return 0;
235         }
236
237         prog_version = PROG_VERSION;
238 #ifdef CRASH_DIALOG
239         argv0 = g_strdup(argv[0]);
240 #endif
241
242         parse_cmd_opt(argc, argv);
243
244 #ifdef CRASH_DIALOG
245         if (cmd.crash) {
246                 gtk_set_locale();
247                 gtk_init(&argc, &argv);
248                 crash_main(cmd.crash_params);
249                 return 0;
250         }
251         crash_install_handlers();
252 #endif
253         install_basic_sighandlers();
254
255         /* check and create unix domain socket */
256         lock_socket = prohibit_duplicate_launch();
257         if (lock_socket < 0) {
258 #ifdef HAVE_STARTUP_NOTIFICATION
259                 if(gtk_init_check(&argc, &argv))
260                         startup_notification_complete(TRUE);
261 #endif
262                 return 0;
263         }
264         if (cmd.status || cmd.status_full) {
265                 puts("0 Sylpheed not running.");
266                 lock_socket_remove();
267                 return 0;
268         }
269
270         gtk_set_locale();
271         gtk_init(&argc, &argv);
272
273         gdk_rgb_init();
274         gtk_widget_set_default_colormap(gdk_rgb_get_cmap());
275         gtk_widget_set_default_visual(gdk_rgb_get_visual());
276
277 #if USE_THREADS || USE_LDAP
278         g_thread_init(NULL);
279         if (!g_thread_supported())
280                 g_error(_("g_thread is not supported by glib.\n"));
281 #endif
282
283         /* parse gtkrc files */
284         userrc = g_strconcat(get_home_dir(), G_DIR_SEPARATOR_S, ".gtkrc-2.0",
285                              NULL);
286         gtk_rc_parse(userrc);
287         g_free(userrc);
288         userrc = g_strconcat(get_home_dir(), G_DIR_SEPARATOR_S, ".gtk",
289                              G_DIR_SEPARATOR_S, "gtkrc-2.0", NULL);
290         gtk_rc_parse(userrc);
291         g_free(userrc);
292         userrc = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S, "gtkrc-2.0", NULL);
293         gtk_rc_parse(userrc);
294         g_free(userrc);
295
296         userrc = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S, MENU_RC, NULL);
297         gtk_accel_map_load (userrc);
298         g_free(userrc);
299
300         gtk_settings_set_long_property(gtk_settings_get_default(), 
301                                        "gtk-can-change-accels",
302                                        (glong)TRUE, "XProperty");
303
304         CHDIR_RETURN_VAL_IF_FAIL(get_home_dir(), 1);
305
306         MAKE_DIR_IF_NOT_EXIST(RC_DIR);
307         MAKE_DIR_IF_NOT_EXIST(get_imap_cache_dir());
308         MAKE_DIR_IF_NOT_EXIST(get_news_cache_dir());
309         MAKE_DIR_IF_NOT_EXIST(get_mime_tmp_dir());
310         MAKE_DIR_IF_NOT_EXIST(get_tmp_dir());
311         MAKE_DIR_IF_NOT_EXIST(RC_DIR G_DIR_SEPARATOR_S "uidl");
312
313         set_log_file(RC_DIR G_DIR_SEPARATOR_S "sylpheed.log");
314
315         folder_system_init();
316         prefs_common_init();
317         prefs_common_read_config();
318
319         prefs_themes_init();
320         prefs_fonts_init();
321         prefs_ext_prog_init();
322         prefs_wrapping_init();
323         prefs_msg_colors_init();
324 #ifdef USE_ASPELL
325         gtkaspell_checkers_init();
326         prefs_spelling_init();
327 #endif
328         
329         sock_set_io_timeout(prefs_common.io_timeout_secs);
330
331         prefs_actions_read_config();
332         prefs_display_header_read_config();
333         /* prefs_filtering_read_config(); */
334         addressbook_read_file();
335         renderer_read_config();
336
337         gtkut_widget_init();
338
339         folderview_initialize();
340         mh_gtk_init();
341         imap_gtk_init();
342         news_gtk_init();
343                 
344         mainwin = main_window_create
345                 (prefs_common.sep_folder | prefs_common.sep_msg << 1);
346         folderview = mainwin->folderview;
347
348         /* register the callback of unix domain socket input */
349         lock_socket_tag = gdk_input_add(lock_socket,
350                                         GDK_INPUT_READ | GDK_INPUT_EXCEPTION,
351                                         lock_socket_input_cb,
352                                         mainwin);
353
354         account_read_config_all();
355
356         if (folder_read_list() < 0) {
357                 if (!run_wizard(mainwin, TRUE))
358                         exit(1);
359                 folder_write_list();
360         }
361
362         if (!account_get_list()) {
363                 if (!run_wizard(mainwin, FALSE))
364                         exit(1);
365                 account_read_config_all();
366                 if(!account_get_list())
367                         exit_sylpheed(mainwin);
368         }
369
370         account_set_missing_folder();
371         folder_set_missing_folders();
372         folderview_set(folderview);
373
374         prefs_matcher_read_config();
375
376         /* make one all-folder processing before using sylpheed */
377         folder_func_to_all_folders(initial_processing, (gpointer *)mainwin);
378
379         /* if Sylpheed crashed, rebuild caches */
380         if (!cmd.crash && is_file_exist(get_crashfile_name())) {
381                 debug_print("Sylpheed crashed, checking for new messages in local folders\n");
382                 folderview_check_new(NULL);
383         }
384         /* make the crash-indicator file */
385         str_write_to_file("foo", get_crashfile_name());
386
387         addressbook_read_file();
388
389         inc_autocheck_timer_init(mainwin);
390
391         /* ignore SIGPIPE signal for preventing sudden death of program */
392         signal(SIGPIPE, SIG_IGN);
393
394         if (cmd.online_mode == ONLINE_MODE_OFFLINE)
395                 main_window_toggle_work_offline(mainwin, TRUE);
396         if (cmd.online_mode == ONLINE_MODE_ONLINE)
397                 main_window_toggle_work_offline(mainwin, FALSE);
398
399         if (cmd.receive_all)
400                 inc_all_account_mail(mainwin, FALSE, 
401                                      prefs_common.newmail_notify_manu);
402         else if (prefs_common.chk_on_startup)
403                 inc_all_account_mail(mainwin, TRUE, 
404                                      prefs_common.newmail_notify_manu);
405         else if (cmd.receive)
406                 inc_mail(mainwin, prefs_common.newmail_notify_manu);
407         else
408                 gtk_widget_grab_focus(folderview->ctree);
409
410         if (cmd.compose)
411                 open_compose_new(cmd.compose_mailto, cmd.attach_files);
412         if (cmd.attach_files) {
413                 ptr_array_free_strings(cmd.attach_files);
414                 g_ptr_array_free(cmd.attach_files, TRUE);
415                 cmd.attach_files = NULL;
416         }
417         if (cmd.send)
418                 send_queue();
419         if (cmd.status_folders) {
420                 g_ptr_array_free(cmd.status_folders, TRUE);
421                 cmd.status_folders = NULL;
422         }
423         if (cmd.status_full_folders) {
424                 g_ptr_array_free(cmd.status_full_folders, TRUE);
425                 cmd.status_full_folders = NULL;
426         }
427
428         sylpheed_register_idle_function(sylpheed_gtk_idle);
429
430         prefs_toolbar_init();
431
432         plugin_load_all("GTK2");
433         
434         static_mainwindow = mainwin;
435
436 #ifdef HAVE_STARTUP_NOTIFICATION
437         startup_notification_complete(FALSE);
438 #endif
439         gtk_main();
440
441         exit_sylpheed(mainwin);
442
443         return 0;
444 }
445
446 static void save_all_caches(FolderItem *item, gpointer data)
447 {
448         if (!item->cache)
449                 return;
450         folder_item_write_cache(item);
451 }
452
453 static void exit_sylpheed(MainWindow *mainwin)
454 {
455         gchar *filename;
456
457         debug_print("shutting down\n");
458
459         inc_autocheck_timer_remove();
460
461         if (prefs_common.clean_on_exit)
462                 main_window_empty_trash(mainwin, prefs_common.ask_on_clean);
463
464         /* save prefs for opened folder */
465         if(mainwin->folderview->opened)
466         {
467                 FolderItem *item;
468
469                 item = gtk_ctree_node_get_row_data(GTK_CTREE(mainwin->folderview->ctree), mainwin->folderview->opened);
470                 summary_save_prefs_to_folderitem(mainwin->folderview->summaryview, item);
471         }
472
473         /* save all state before exiting */
474         folder_write_list();
475         folder_func_to_all_folders(save_all_caches, NULL);
476
477         main_window_get_size(mainwin);
478         main_window_get_position(mainwin);
479         prefs_common_write_config();
480         account_write_config_all();
481         addressbook_export_to_file();
482
483         filename = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S, MENU_RC, NULL);
484         gtk_accel_map_save(filename);
485         g_free(filename);
486
487         /* delete temporary files */
488         remove_all_files(get_mime_tmp_dir());
489
490         close_log_file();
491
492         /* delete crashfile */
493         if (!cmd.crash)
494                 unlink(get_crashfile_name());
495
496         lock_socket_remove();
497
498         main_window_destroy(mainwin);
499         
500         plugin_unload_all("GTK2");
501
502         prefs_toolbar_done();
503
504         addressbook_destroy();
505
506         prefs_themes_done();
507         prefs_fonts_done();
508         prefs_ext_prog_done();
509         prefs_wrapping_done();
510         prefs_msg_colors_done();
511 #ifdef USE_ASPELL       
512         prefs_spelling_done();
513         gtkaspell_checkers_quit();
514 #endif
515         sylpheed_done();
516
517 }
518
519 static void parse_cmd_opt(int argc, char *argv[])
520 {
521         gint i;
522
523         for (i = 1; i < argc; i++) {
524                 if (!strncmp(argv[i], "--receive-all", 13))
525                         cmd.receive_all = TRUE;
526                 else if (!strncmp(argv[i], "--receive", 9))
527                         cmd.receive = TRUE;
528                 else if (!strncmp(argv[i], "--compose", 9)) {
529                         const gchar *p = argv[i + 1];
530
531                         cmd.compose = TRUE;
532                         cmd.compose_mailto = NULL;
533                         if (p && *p != '\0' && *p != '-') {
534                                 if (!strncmp(p, "mailto:", 7))
535                                         cmd.compose_mailto = p + 7;
536                                 else
537                                         cmd.compose_mailto = p;
538                                 i++;
539                         }
540                 } else if (!strncmp(argv[i], "--attach", 8)) {
541                         const gchar *p = argv[i + 1];
542                         gchar *file;
543
544                         while (p && *p != '\0' && *p != '-') {
545                                 if (!cmd.attach_files)
546                                         cmd.attach_files = g_ptr_array_new();
547                                 if (*p != G_DIR_SEPARATOR)
548                                         file = g_strconcat(sylpheed_get_startup_dir(),
549                                                            G_DIR_SEPARATOR_S,
550                                                            p, NULL);
551                                 else
552                                         file = g_strdup(p);
553                                 g_ptr_array_add(cmd.attach_files, file);
554                                 i++;
555                                 p = argv[i + 1];
556                         }
557                 } else if (!strncmp(argv[i], "--send", 6)) {
558                         cmd.send = TRUE;
559                 } else if (!strncmp(argv[i], "--version", 9)) {
560                         puts("Sylpheed version " VERSION);
561                         exit(0);
562                 } else if (!strncmp(argv[i], "--status-full", 13)) {
563                         const gchar *p = argv[i + 1];
564  
565                         cmd.status_full = TRUE;
566                         while (p && *p != '\0' && *p != '-') {
567                                 if (!cmd.status_full_folders)
568                                         cmd.status_full_folders =
569                                                 g_ptr_array_new();
570                                 g_ptr_array_add(cmd.status_full_folders,
571                                                 g_strdup(p));
572                                 i++;
573                                 p = argv[i + 1];
574                         }
575                 } else if (!strncmp(argv[i], "--status", 8)) {
576                         const gchar *p = argv[i + 1];
577  
578                         cmd.status = TRUE;
579                         while (p && *p != '\0' && *p != '-') {
580                                 if (!cmd.status_folders)
581                                         cmd.status_folders = g_ptr_array_new();
582                                 g_ptr_array_add(cmd.status_folders,
583                                                 g_strdup(p));
584                                 i++;
585                                 p = argv[i + 1];
586                         }
587                 } else if (!strncmp(argv[i], "--online", 8)) {
588                         cmd.online_mode = ONLINE_MODE_ONLINE;
589                 } else if (!strncmp(argv[i], "--offline", 9)) {
590                         cmd.online_mode = ONLINE_MODE_OFFLINE;
591                 } else if (!strncmp(argv[i], "--help", 6)) {
592                         g_print(_("Usage: %s [OPTION]...\n"),
593                                 g_basename(argv[0]));
594
595                         puts(_("  --compose [address]    open composition window"));
596                         puts(_("  --attach file1 [file2]...\n"
597                                "                         open composition window with specified files\n"
598                                "                         attached"));
599                         puts(_("  --receive              receive new messages"));
600                         puts(_("  --receive-all          receive new messages of all accounts"));
601                         puts(_("  --send                 send all queued messages"));
602                         puts(_("  --status [folder]...   show the total number of messages"));
603                         puts(_("  --status-full [folder]...\n"
604                                "                         show the status of each folder"));
605                         puts(_("  --online               switch to online mode"));
606                         puts(_("  --offline              switch to offline mode"));
607                         puts(_("  --debug                debug mode"));
608                         puts(_("  --help                 display this help and exit"));
609                         puts(_("  --version              output version information and exit"));
610                         puts(_("  --config-dir           output configuration directory"));
611
612                         exit(1);
613                 } else if (!strncmp(argv[i], "--crash", 7)) {
614                         cmd.crash = TRUE;
615                         cmd.crash_params = g_strdup(argv[i + 1]);
616                         i++;
617                 } else if (!strncmp(argv[i], "--config-dir", sizeof "--config-dir" - 1)) {
618                         puts(RC_DIR);
619                         exit(0);
620                 }
621                 
622         }
623
624         if (cmd.attach_files && cmd.compose == FALSE) {
625                 cmd.compose = TRUE;
626                 cmd.compose_mailto = NULL;
627         }
628 }
629
630 static gint get_queued_message_num(void)
631 {
632         FolderItem *queue;
633
634         queue = folder_get_default_queue();
635         if (!queue) return -1;
636
637         folder_item_scan(queue);
638         return queue->total_msgs;
639 }
640
641 static void initial_processing(FolderItem *item, gpointer data)
642 {
643         MainWindow *mainwin = (MainWindow *)data;
644         gchar *buf;
645
646         g_return_if_fail(item);
647         buf = g_strdup_printf(_("Processing (%s)..."), 
648                               item->path 
649                               ? item->path 
650                               : _("top level folder"));
651         debug_print("%s\n", buf);
652         g_free(buf);
653
654         main_window_cursor_wait(mainwin);
655         
656         if (item->prefs->enable_processing)
657                 folder_item_apply_processing(item);
658
659         debug_print("done.\n");
660         STATUSBAR_POP(mainwin);
661         main_window_cursor_normal(mainwin);
662 }
663
664 static void draft_all_messages(void)
665 {
666         GList *compose_list = compose_get_compose_list();
667         GList *elem = NULL;
668         
669         if (compose_list) {
670                 for (elem = compose_list; elem != NULL && elem->data != NULL; 
671                      elem = elem->next) {
672                         Compose *c = (Compose*)elem->data;
673                         compose_draft(c);
674                 }
675         }       
676 }
677
678 gboolean clean_quit(gpointer data)
679 {
680         static gboolean firstrun = TRUE;
681
682         if (!firstrun)
683                 return FALSE;
684         firstrun = FALSE;
685
686         /*!< Good idea to have the main window stored in a 
687          *   static variable so we can check that variable
688          *   to see if we're really allowed to do things
689          *   that actually the spawner is supposed to 
690          *   do (like: sending mail, composing messages).
691          *   Because, really, if we're the spawnee, and
692          *   we touch GTK stuff, we're hosed. See the 
693          *   next fixme. */
694
695         /* FIXME: Use something else to signal that we're
696          * in the original spawner, and not in a spawned
697          * child. */
698         if (!static_mainwindow) 
699                 return FALSE;
700                 
701         draft_all_messages();
702
703         exit_sylpheed(static_mainwindow);
704         exit(0);
705
706         return FALSE;
707 }
708
709 void app_will_exit(GtkWidget *widget, gpointer data)
710 {
711         MainWindow *mainwin = data;
712         
713         if (compose_get_compose_list()) {
714                 gint val = alertpanel(_("Really quit?"),
715                                _("Composing message exists."),
716                                _("Draft them"), _("Discard them"), _("Don't quit"));
717                 switch (val) {
718                         case G_ALERTOTHER:
719                                 return;
720                         case G_ALERTALTERNATE:
721                                 break;
722                         default:
723                                 draft_all_messages();
724                 }
725                 
726                 manage_window_focus_in(mainwin->window, NULL, NULL);
727         }
728
729         if (prefs_common.warn_queued_on_exit && get_queued_message_num() > 0) {
730                 if (alertpanel(_("Queued messages"),
731                                _("Some unsent messages are queued. Exit now?"),
732                                _("OK"), _("Cancel"), NULL) != G_ALERTDEFAULT)
733                         return;
734                 manage_window_focus_in(mainwin->window, NULL, NULL);
735         }
736         gtk_main_quit();
737 }
738
739 /*
740  * CLAWS: want this public so crash dialog can delete the
741  * lock file too
742  */
743 #ifndef CLAWS
744 static
745 #endif
746 gchar *get_socket_name(void)
747 {
748         static gchar *filename = NULL;
749
750         if (filename == NULL) {
751                 filename = g_strdup_printf("%s%csylpheed-%d",
752                                            g_get_tmp_dir(), G_DIR_SEPARATOR,
753                                            getuid());
754         }
755
756         return filename;
757 }
758
759 static gchar *get_crashfile_name(void)
760 {
761         static gchar *filename = NULL;
762
763         if (filename == NULL) {
764                 filename = g_strdup_printf("%s%csylpheed-crashed",
765                                            get_tmp_dir(), G_DIR_SEPARATOR);
766         }
767
768         return filename;
769 }
770
771 static gint prohibit_duplicate_launch(void)
772 {
773         gint uxsock;
774         gchar *path;
775
776         path = get_socket_name();
777         uxsock = fd_connect_unix(path);
778         if (uxsock < 0) {
779                 unlink(path);
780                 return fd_open_unix(path);
781         }
782
783         /* remote command mode */
784
785         debug_print("another Sylpheed is already running.\n");
786
787         if (cmd.receive_all)
788                 fd_write_all(uxsock, "receive_all\n", 12);
789         else if (cmd.receive)
790                 fd_write_all(uxsock, "receive\n", 8);
791         else if (cmd.compose && cmd.attach_files) {
792                 gchar *str, *compose_str;
793                 gint i;
794
795                 if (cmd.compose_mailto)
796                         compose_str = g_strdup_printf("compose_attach %s\n",
797                                                       cmd.compose_mailto);
798                 else
799                         compose_str = g_strdup("compose_attach\n");
800
801                 fd_write_all(uxsock, compose_str, strlen(compose_str));
802                 g_free(compose_str);
803
804                 for (i = 0; i < cmd.attach_files->len; i++) {
805                         str = g_ptr_array_index(cmd.attach_files, i);
806                         fd_write_all(uxsock, str, strlen(str));
807                         fd_write_all(uxsock, "\n", 1);
808                 }
809
810                 fd_write_all(uxsock, ".\n", 2);
811         } else if (cmd.compose) {
812                 gchar *compose_str;
813
814                 if (cmd.compose_mailto)
815                         compose_str = g_strdup_printf
816                                 ("compose %s\n", cmd.compose_mailto);
817                 else
818                         compose_str = g_strdup("compose\n");
819
820                 fd_write_all(uxsock, compose_str, strlen(compose_str));
821                 g_free(compose_str);
822         } else if (cmd.send) {
823                 fd_write_all(uxsock, "send\n", 5);
824         } else if (cmd.online_mode == ONLINE_MODE_ONLINE) {
825                 fd_write(uxsock, "online\n", 6);
826         } else if (cmd.online_mode == ONLINE_MODE_OFFLINE) {
827                 fd_write(uxsock, "offline\n", 7);
828         } else if (cmd.status || cmd.status_full) {
829                 gchar buf[BUFFSIZE];
830                 gint i;
831                 const gchar *command;
832                 GPtrArray *folders;
833                 gchar *folder;
834  
835                 command = cmd.status_full ? "status-full\n" : "status\n";
836                 folders = cmd.status_full ? cmd.status_full_folders :
837                         cmd.status_folders;
838  
839                 fd_write_all(uxsock, command, strlen(command));
840                 for (i = 0; folders && i < folders->len; ++i) {
841                         folder = g_ptr_array_index(folders, i);
842                         fd_write_all(uxsock, folder, strlen(folder));
843                         fd_write_all(uxsock, "\n", 1);
844                 }
845                 fd_write_all(uxsock, ".\n", 2);
846                 for (;;) {
847                         fd_gets(uxsock, buf, sizeof(buf));
848                         if (!strncmp(buf, ".\n", 2)) break;
849                         fputs(buf, stdout);
850                 }
851         } else
852                 fd_write_all(uxsock, "popup\n", 6);
853
854         fd_close(uxsock);
855         return -1;
856 }
857
858 static gint lock_socket_remove(void)
859 {
860         gchar *filename;
861
862         if (lock_socket < 0) return -1;
863
864         if (lock_socket_tag > 0)
865                 gdk_input_remove(lock_socket_tag);
866         fd_close(lock_socket);
867         filename = get_socket_name();
868         unlink(filename);
869
870         return 0;
871 }
872
873 static GPtrArray *get_folder_item_list(gint sock)
874 {
875         gchar buf[BUFFSIZE];
876         FolderItem *item;
877         GPtrArray *folders = NULL;
878
879         for (;;) {
880                 fd_gets(sock, buf, sizeof(buf));
881                 if (!strncmp(buf, ".\n", 2)) break;
882                 strretchomp(buf);
883                 if (!folders) folders = g_ptr_array_new();
884                 item = folder_find_item_from_identifier(buf);
885                 if (item)
886                         g_ptr_array_add(folders, item);
887                 else
888                         g_warning("no such folder: %s\n", buf);
889         }
890
891         return folders;
892 }
893
894 static void lock_socket_input_cb(gpointer data,
895                                  gint source,
896                                  GdkInputCondition condition)
897 {
898         MainWindow *mainwin = (MainWindow *)data;
899         gint sock;
900         gchar buf[BUFFSIZE];
901
902         sock = fd_accept(source);
903         fd_gets(sock, buf, sizeof(buf));
904
905         if (!strncmp(buf, "popup", 5)) {
906                 main_window_popup(mainwin);
907         } else if (!strncmp(buf, "receive_all", 11)) {
908                 inc_all_account_mail(mainwin, FALSE,
909                                      prefs_common.newmail_notify_manu);
910         } else if (!strncmp(buf, "receive", 7)) {
911                 inc_mail(mainwin, prefs_common.newmail_notify_manu);
912         } else if (!strncmp(buf, "compose_attach", 14)) {
913                 GPtrArray *files;
914                 gchar *mailto;
915
916                 mailto = g_strdup(buf + strlen("compose_attach") + 1);
917                 files = g_ptr_array_new();
918                 while (fd_gets(sock, buf, sizeof(buf)) > 0) {
919                         if (buf[0] == '.' && buf[1] == '\n') break;
920                         strretchomp(buf);
921                         g_ptr_array_add(files, g_strdup(buf));
922                 }
923                 open_compose_new(mailto, files);
924                 ptr_array_free_strings(files);
925                 g_ptr_array_free(files, TRUE);
926                 g_free(mailto);
927         } else if (!strncmp(buf, "compose", 7)) {
928                 open_compose_new(buf + strlen("compose") + 1, NULL);
929         } else if (!strncmp(buf, "send", 4)) {
930                 send_queue();
931         } else if (!strncmp(buf, "online", 6)) {
932                 main_window_toggle_work_offline(mainwin, FALSE);
933         } else if (!strncmp(buf, "offline", 7)) {
934                 main_window_toggle_work_offline(mainwin, TRUE);
935         } else if (!strncmp(buf, "status-full", 11) ||
936                    !strncmp(buf, "status", 6)) {
937                 gchar *status;
938                 GPtrArray *folders;
939  
940                 folders = get_folder_item_list(sock);
941                 status = folder_get_status
942                         (folders, !strncmp(buf, "status-full", 11));
943                 fd_write_all(sock, status, strlen(status));
944                 fd_write_all(sock, ".\n", 2);
945                 g_free(status);
946                 if (folders) g_ptr_array_free(folders, TRUE);
947         }
948
949         fd_close(sock);
950 }
951
952 static void open_compose_new(const gchar *address, GPtrArray *attach_files)
953 {
954         gchar *addr = NULL;
955
956         if (address) {
957                 Xstrdup_a(addr, address, return);
958                 g_strstrip(addr);
959         }
960
961         compose_new(NULL, addr, attach_files);
962 }
963
964 static void send_queue(void)
965 {
966         GList *list;
967
968         for (list = folder_get_list(); list != NULL; list = list->next) {
969                 Folder *folder = list->data;
970
971                 if (folder->queue) {
972                         gint res = procmsg_send_queue
973                                 (folder->queue, prefs_common.savemsg);
974
975                         if (res < 0)    
976                                 alertpanel_error(_("Some errors occurred while sending queued messages."));
977                         if (res)        
978                                 folder_item_scan(folder->queue);
979                 }
980         }
981 }
982
983 static void quit_signal_handler(int sig)
984 {
985         debug_print("Quitting on signal %d\n", sig);
986
987         g_timeout_add(0, clean_quit, NULL);
988 }
989
990 static void install_basic_sighandlers()
991 {
992         sigset_t    mask;
993         struct sigaction act;
994
995         sigemptyset(&mask);
996
997 #ifdef SIGTERM
998         sigaddset(&mask, SIGTERM);
999 #endif
1000 #ifdef SIGINT
1001         sigaddset(&mask, SIGINT);
1002 #endif
1003 #ifdef SIGHUP
1004         sigaddset(&mask, SIGHUP);
1005 #endif
1006
1007         act.sa_handler = quit_signal_handler;
1008         act.sa_mask    = mask;
1009         act.sa_flags   = 0;
1010
1011 #ifdef SIGTERM
1012         sigaction(SIGTERM, &act, 0);
1013 #endif
1014 #ifdef SIGINT
1015         sigaction(SIGINT, &act, 0);
1016 #endif  
1017 #ifdef SIGHUP
1018         sigaction(SIGHUP, &act, 0);
1019 #endif  
1020
1021         sigprocmask(SIG_UNBLOCK, &mask, 0);
1022 }