2006-04-20 [paul] 2.1.1cvs18
[claws.git] / src / main.c
1 /*
2  * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
3  * Copyright (C) 1999-2006 Hiroyuki Yamamoto and the Sylpheed-Claws 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 #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         gboolean exit;
142         gboolean subscribe;
143         const gchar *subscribe_uri;
144         const gchar *target;
145 } cmd;
146
147 static void parse_cmd_opt(int argc, char *argv[]);
148
149 static gint prohibit_duplicate_launch   (void);
150 static gchar * get_crashfile_name       (void);
151 static gint lock_socket_remove          (void);
152 static void lock_socket_input_cb        (gpointer          data,
153                                          gint              source,
154                                          GdkInputCondition condition);
155 #ifndef CLAWS                                    
156 static 
157 #endif
158 gchar *get_socket_name          (void);
159
160
161 static void open_compose_new            (const gchar    *address,
162                                          GPtrArray      *attach_files);
163
164 static void send_queue                  (void);
165 static void initial_processing          (FolderItem *item, gpointer data);
166 static void quit_signal_handler         (int sig);
167 static void install_basic_sighandlers   (void);
168 static void exit_sylpheed               (MainWindow *mainwin);
169
170 #define MAKE_DIR_IF_NOT_EXIST(dir) \
171 { \
172         if (!is_dir_exist(dir)) { \
173                 if (is_file_exist(dir)) { \
174                         alertpanel_warning \
175                                 (_("File '%s' already exists.\n" \
176                                    "Can't create folder."), \
177                                  dir); \
178                         return 1; \
179                 } \
180                 if (make_dir(dir) < 0) \
181                         return 1; \
182         } \
183 }
184
185 static MainWindow *static_mainwindow;
186
187 #ifdef HAVE_STARTUP_NOTIFICATION
188 static void sn_error_trap_push(SnDisplay *display, Display *xdisplay)
189 {
190         gdk_error_trap_push();
191 }
192
193 static void sn_error_trap_pop(SnDisplay *display, Display *xdisplay)
194 {
195         gdk_error_trap_pop();
196 }
197
198 static void startup_notification_complete(gboolean with_window)
199 {
200         Display *xdisplay;
201         GtkWidget *hack = NULL;
202
203         if (with_window) {
204                 /* this is needed to make the startup notification leave,
205                  * if we have been launched from a menu.
206                  * We have to display a window, so let it be very little */
207                 hack = gtk_window_new(GTK_WINDOW_POPUP);
208                 gtk_widget_set_uposition(hack, 0, 0);
209                 gtk_widget_set_size_request(hack, 1, 1);
210                 gtk_widget_show(hack);
211         }
212
213         xdisplay = GDK_DISPLAY();
214         sn_display = sn_display_new(xdisplay,
215                                 sn_error_trap_push,
216                                 sn_error_trap_pop);
217         sn_context = sn_launchee_context_new_from_environment(sn_display,
218                                                  DefaultScreen(xdisplay));
219
220         if (sn_context != NULL) {
221                 sn_launchee_context_complete(sn_context);
222                 sn_launchee_context_unref(sn_context);
223                 sn_display_unref(sn_display);
224         }
225         if (with_window) {
226                 gtk_widget_destroy(hack);
227         }
228 }
229 #endif /* HAVE_STARTUP_NOTIFICATION */
230
231 void sylpheed_gtk_idle(void) 
232 {
233         while(gtk_events_pending()) {
234                 gtk_main_iteration();
235         }
236         g_usleep(50000);
237 }
238
239 gboolean defer_check_all(void *data)
240 {
241         gboolean autochk = GPOINTER_TO_INT(data);
242
243         inc_all_account_mail(static_mainwindow, autochk, 
244                         prefs_common.newmail_notify_manu);
245
246         return FALSE;
247 }
248
249 gboolean defer_check(void *data)
250 {
251         inc_mail(static_mainwindow, prefs_common.newmail_notify_manu);
252
253         return FALSE;
254 }
255
256 static gboolean defer_jump(void *data)
257 {
258         mainwindow_jump_to(data);
259         return FALSE;
260 }
261
262 static gboolean migrate_old_config(const gchar *old_cfg_dir, const gchar *new_cfg_dir)
263 {
264         gchar *message = g_strdup_printf(_("Configuration for Sylpheed-Claws %s found.\n"
265                          "Do you want to migrate this configuration?"),
266                          !strcmp(old_cfg_dir, OLD_GTK1_RC_DIR)?
267                                 _("1.0.5 or previous"):_("1.9.15 or previous"));
268         gint r = 0;
269         GtkWidget *window = NULL;
270         if (alertpanel(_("Migration of configuration"),
271                        message,
272                        GTK_STOCK_NO, GTK_STOCK_YES, NULL) != G_ALERTALTERNATE) {
273                 return FALSE;
274         }
275         
276         window = label_window_create(_("Copying configuration..."));
277         GTK_EVENTS_FLUSH();
278         r = copy_dir(old_cfg_dir, new_cfg_dir);
279         gtk_widget_destroy(window);
280         if (r != 0) {
281                 alertpanel_error(_("Migration failed!"));
282         }
283         return (r == 0);
284 }
285
286 int main(int argc, char *argv[])
287 {
288         gchar *userrc;
289         MainWindow *mainwin;
290         FolderView *folderview;
291         GdkPixbuf *icon;
292         gboolean crash_file_present = FALSE;
293
294         if (!sylpheed_init(&argc, &argv)) {
295                 return 0;
296         }
297
298         prog_version = PROG_VERSION;
299 #ifdef CRASH_DIALOG
300         argv0 = g_strdup(argv[0]);
301 #endif
302
303         parse_cmd_opt(argc, argv);
304
305 #ifdef CRASH_DIALOG
306         if (cmd.crash) {
307                 gtk_set_locale();
308                 gtk_init(&argc, &argv);
309                 crash_main(cmd.crash_params);
310                 return 0;
311         }
312         crash_install_handlers();
313 #endif
314         install_basic_sighandlers();
315         sock_init();
316
317         /* check and create unix domain socket for remote operation */
318 #ifdef G_OS_UNIX
319         lock_socket = prohibit_duplicate_launch();
320         if (lock_socket < 0) {
321 #ifdef HAVE_STARTUP_NOTIFICATION
322                 if(gtk_init_check(&argc, &argv))
323                         startup_notification_complete(TRUE);
324 #endif
325                 return 0;
326         }
327
328         if (cmd.status || cmd.status_full) {
329                 puts("0 Sylpheed-Claws not running.");
330                 lock_socket_remove();
331                 return 0;
332         }
333         
334         if (cmd.exit)
335                 return 0;
336 #endif
337         g_thread_init(NULL);
338         /* gdk_threads_init(); */
339
340         gtk_set_locale();
341         gtk_init(&argc, &argv);
342
343         gdk_rgb_init();
344         gtk_widget_set_default_colormap(gdk_rgb_get_colormap());
345         gtk_widget_set_default_visual(gdk_rgb_get_visual());
346
347         if (!g_thread_supported()) {
348                 g_error(_("g_thread is not supported by glib.\n"));
349         }
350
351         /* parse gtkrc files */
352         userrc = g_strconcat(get_home_dir(), G_DIR_SEPARATOR_S, ".gtkrc-2.0",
353                              NULL);
354         gtk_rc_parse(userrc);
355         g_free(userrc);
356         userrc = g_strconcat(get_home_dir(), G_DIR_SEPARATOR_S, ".gtk",
357                              G_DIR_SEPARATOR_S, "gtkrc-2.0", NULL);
358         gtk_rc_parse(userrc);
359         g_free(userrc);
360
361         CHDIR_RETURN_VAL_IF_FAIL(get_home_dir(), 1);
362         if (!is_dir_exist(RC_DIR)) {
363                 gboolean r = FALSE;
364                 if (is_dir_exist(OLD_GTK2_RC_DIR))
365                         r = migrate_old_config(OLD_GTK2_RC_DIR, RC_DIR);
366                 else if (is_dir_exist(OLD_GTK1_RC_DIR))
367                         r = migrate_old_config(OLD_GTK1_RC_DIR, RC_DIR);
368                 if (r == FALSE && !is_dir_exist(RC_DIR) && make_dir(RC_DIR) < 0)
369                         exit(1);
370         }
371
372         userrc = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S, "gtkrc-2.0", NULL);
373         gtk_rc_parse(userrc);
374         g_free(userrc);
375
376         userrc = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S, MENU_RC, NULL);
377         gtk_accel_map_load (userrc);
378         g_free(userrc);
379
380         gtk_settings_set_long_property(gtk_settings_get_default(), 
381                                        "gtk-can-change-accels",
382                                        (glong)TRUE, "XProperty");
383
384         CHDIR_RETURN_VAL_IF_FAIL(get_rc_dir(), 1);
385
386         MAKE_DIR_IF_NOT_EXIST(get_mail_base_dir());
387         MAKE_DIR_IF_NOT_EXIST(get_imap_cache_dir());
388         MAKE_DIR_IF_NOT_EXIST(get_news_cache_dir());
389         MAKE_DIR_IF_NOT_EXIST(get_mime_tmp_dir());
390         MAKE_DIR_IF_NOT_EXIST(get_tmp_dir());
391         MAKE_DIR_IF_NOT_EXIST(UIDL_DIR);
392
393         crash_file_present = is_file_exist(get_crashfile_name());
394         /* remove temporary files */
395         remove_all_files(get_tmp_dir());
396         remove_all_files(get_mime_tmp_dir());
397
398         if (is_file_exist("sylpheed.log")) {
399                 if (rename_force("sylpheed.log", "sylpheed.log.bak") < 0)
400                         FILE_OP_ERROR("sylpheed.log", "rename");
401         }
402         set_log_file("sylpheed.log");
403
404         CHDIR_RETURN_VAL_IF_FAIL(get_home_dir(), 1);
405
406         folder_system_init();
407         prefs_common_read_config();
408
409         prefs_themes_init();
410         prefs_fonts_init();
411         prefs_ext_prog_init();
412         prefs_wrapping_init();
413         prefs_compose_writing_init();
414         prefs_msg_colors_init();
415         image_viewer_init();
416         prefs_image_viewer_init();
417         prefs_quote_init();
418         prefs_summaries_init();
419         prefs_message_init();
420         prefs_other_init();
421         prefs_receive_init();
422         prefs_send_init();
423 #ifdef USE_ASPELL
424         gtkaspell_checkers_init();
425         prefs_spelling_init();
426 #endif
427         
428         sock_set_io_timeout(prefs_common.io_timeout_secs);
429 #ifdef HAVE_LIBETPAN
430         imap_main_set_timeout(prefs_common.io_timeout_secs);
431 #endif
432         prefs_actions_read_config();
433         prefs_display_header_read_config();
434         /* prefs_filtering_read_config(); */
435         addressbook_read_file();
436         renderer_read_config();
437
438         gtkut_widget_init();
439         stock_pixbuf_gdk(NULL, STOCK_PIXMAP_SYLPHEED_ICON, &icon);
440         gtk_window_set_default_icon(icon);
441
442         folderview_initialize();
443
444         mh_gtk_init();
445         imap_gtk_init();
446         news_gtk_init();
447                 
448         mainwin = main_window_create
449                 (prefs_common.sep_folder | prefs_common.sep_msg << 1);
450         folderview = mainwin->folderview;
451
452         gtk_clist_freeze(GTK_CLIST(mainwin->folderview->ctree));
453         folder_item_update_freeze();
454
455         /* register the callback of unix domain socket input */
456 #ifdef G_OS_UNIX
457         lock_socket_tag = gdk_input_add(lock_socket,
458                                         GDK_INPUT_READ | GDK_INPUT_EXCEPTION,
459                                         lock_socket_input_cb,
460                                         mainwin);
461 #endif
462
463         prefs_account_init();
464         account_read_config_all();
465
466         if (folder_read_list() < 0) {
467                 if (!run_wizard(mainwin, TRUE))
468                         exit(1);
469                 folder_write_list();
470         }
471
472         if (!account_get_list()) {
473                 if (!run_wizard(mainwin, FALSE))
474                         exit(1);
475                 account_read_config_all();
476                 if(!account_get_list())
477                         exit_sylpheed(mainwin);
478         }
479
480         main_window_popup(mainwin);
481
482 #ifdef HAVE_LIBETPAN
483         imap_main_init();
484 #endif  
485         account_set_missing_folder();
486         folder_set_missing_folders();
487         folderview_set(folderview);
488
489         prefs_matcher_read_config();
490
491         /* make one all-folder processing before using sylpheed */
492         main_window_cursor_wait(mainwin);
493         folder_func_to_all_folders(initial_processing, (gpointer *)mainwin);
494
495         /* if Sylpheed crashed, rebuild caches */
496         if (!cmd.crash && crash_file_present) {
497                 debug_print("Sylpheed-Claws crashed, checking for new messages in local folders\n");
498                 folder_item_update_thaw();
499                 folderview_check_new(NULL);
500                 folder_clean_cache_memory_force();
501                 folder_item_update_freeze();
502         }
503         /* make the crash-indicator file */
504         str_write_to_file("foo", get_crashfile_name());
505
506         inc_autocheck_timer_init(mainwin);
507
508         /* ignore SIGPIPE signal for preventing sudden death of program */
509 #ifdef G_OS_UNIX
510         signal(SIGPIPE, SIG_IGN);
511 #endif
512         if (cmd.online_mode == ONLINE_MODE_OFFLINE) {
513                 main_window_toggle_work_offline(mainwin, TRUE, FALSE);
514         }
515         if (cmd.online_mode == ONLINE_MODE_ONLINE) {
516                 main_window_toggle_work_offline(mainwin, FALSE, FALSE);
517         }
518
519         if (cmd.status_folders) {
520                 g_ptr_array_free(cmd.status_folders, TRUE);
521                 cmd.status_folders = NULL;
522         }
523         if (cmd.status_full_folders) {
524                 g_ptr_array_free(cmd.status_full_folders, TRUE);
525                 cmd.status_full_folders = NULL;
526         }
527
528         sylpheed_register_idle_function(sylpheed_gtk_idle);
529
530         prefs_toolbar_init();
531
532         plugin_load_all("GTK2");
533         
534         if (plugin_get_unloaded_list() != NULL) {
535                 alertpanel_warning(_("Some plugin(s) failed to load. "
536                                      "Check the Plugins configuration "
537                                      "for more information."));
538         }
539         
540         if (!folder_have_mailbox()) {
541                 alertpanel_error(_("Sylpheed-Claws has detected a configured "
542                                    "mailbox, but could not load it. It is "
543                                    "probably provided by an out-of-date "
544                                    "external plugin. Please reinstall the "
545                                    "plugin and try again."));
546                 exit(1);
547         }
548         
549         static_mainwindow = mainwin;
550
551 #ifdef HAVE_STARTUP_NOTIFICATION
552         startup_notification_complete(FALSE);
553 #endif
554         folder_item_update_thaw();
555         gtk_clist_thaw(GTK_CLIST(mainwin->folderview->ctree));
556         main_window_cursor_normal(mainwin);
557
558         if (cmd.receive_all) {
559                 g_timeout_add(1000, defer_check_all, GINT_TO_POINTER(FALSE));
560         } else if (prefs_common.chk_on_startup) {
561                 g_timeout_add(1000, defer_check_all, GINT_TO_POINTER(TRUE));
562         } else if (cmd.receive) {
563                 g_timeout_add(1000, defer_check, NULL);
564         } else {
565                 gtk_widget_grab_focus(folderview->ctree);
566         }
567
568         if (cmd.compose) {
569                 open_compose_new(cmd.compose_mailto, cmd.attach_files);
570         }
571         if (cmd.attach_files) {
572                 ptr_array_free_strings(cmd.attach_files);
573                 g_ptr_array_free(cmd.attach_files, TRUE);
574                 cmd.attach_files = NULL;
575         }
576         if (cmd.subscribe) {
577                 folder_subscribe(cmd.subscribe_uri);
578         }
579
580         if (cmd.send) {
581                 send_queue();
582         }
583         
584         if (cmd.target) {
585                 g_timeout_add(500, defer_jump, GINT_TO_POINTER(cmd.target));
586         }
587
588         gtk_main();
589
590         exit_sylpheed(mainwin);
591
592         return 0;
593 }
594
595 static void save_all_caches(FolderItem *item, gpointer data)
596 {
597         if (!item->cache) {
598                 return;
599         }
600         folder_item_write_cache(item);
601 }
602
603 static void exit_sylpheed(MainWindow *mainwin)
604 {
605         gchar *filename;
606
607         debug_print("shutting down\n");
608         inc_autocheck_timer_remove();
609
610         if (prefs_common.clean_on_exit) {
611                 main_window_empty_trash(mainwin, prefs_common.ask_on_clean);
612         }
613
614         /* save prefs for opened folder */
615         if(mainwin->folderview->opened) {
616                 FolderItem *item;
617
618                 item = gtk_ctree_node_get_row_data(GTK_CTREE(mainwin->folderview->ctree), mainwin->folderview->opened);
619                 summary_save_prefs_to_folderitem(mainwin->folderview->summaryview, item);
620         }
621
622         /* save all state before exiting */
623         folder_write_list();
624         folder_func_to_all_folders(save_all_caches, NULL);
625
626         main_window_get_size(mainwin);
627         main_window_get_position(mainwin);
628         prefs_common_write_config();
629         account_write_config_all();
630         addressbook_export_to_file();
631
632         filename = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S, MENU_RC, NULL);
633         gtk_accel_map_save(filename);
634         g_free(filename);
635
636         /* delete temporary files */
637         remove_all_files(get_tmp_dir());
638         remove_all_files(get_mime_tmp_dir());
639
640         close_log_file();
641
642 #ifdef HAVE_LIBETPAN
643         imap_main_done();
644 #endif
645         /* delete crashfile */
646         if (!cmd.crash)
647                 g_unlink(get_crashfile_name());
648
649         lock_socket_remove();
650
651         main_window_destroy_all();
652         
653         plugin_unload_all("GTK2");
654
655         prefs_toolbar_done();
656
657         addressbook_destroy();
658
659         prefs_themes_done();
660         prefs_fonts_done();
661         prefs_ext_prog_done();
662         prefs_wrapping_done();
663         prefs_compose_writing_done();
664         prefs_msg_colors_done();
665         prefs_image_viewer_done();
666         image_viewer_done();
667         prefs_quote_done();
668         prefs_summaries_done();
669         prefs_message_done();
670         prefs_other_done();
671         prefs_receive_done();
672         prefs_send_done();
673 #ifdef USE_ASPELL       
674         prefs_spelling_done();
675         gtkaspell_checkers_quit();
676 #endif
677         sylpheed_done();
678
679 }
680
681 static void parse_cmd_opt(int argc, char *argv[])
682 {
683         gint i;
684
685         for (i = 1; i < argc; i++) {
686                 if (!strncmp(argv[i], "--receive-all", 13)) {
687                         cmd.receive_all = TRUE;
688                 } else if (!strncmp(argv[i], "--receive", 9)) {
689                         cmd.receive = TRUE;
690                 } else if (!strncmp(argv[i], "--compose", 9)) {
691                         const gchar *p = argv[i + 1];
692
693                         cmd.compose = TRUE;
694                         cmd.compose_mailto = NULL;
695                         if (p && *p != '\0' && *p != '-') {
696                                 if (!strncmp(p, "mailto:", 7)) {
697                                         cmd.compose_mailto = p + 7;
698                                 } else {
699                                         cmd.compose_mailto = p;
700                                 }
701                                 i++;
702                         }
703                 } else if (!strncmp(argv[i], "--subscribe", 11)) {
704                         const gchar *p = argv[i + 1];
705                         if (p && *p != '\0' && *p != '-') {
706                                 cmd.subscribe = TRUE;
707                                 cmd.subscribe_uri = p;
708                         }
709                 } else if (!strncmp(argv[i], "--attach", 8)) {
710                         const gchar *p = argv[i + 1];
711                         gchar *file;
712
713                         while (p && *p != '\0' && *p != '-') {
714                                 if (!cmd.attach_files) {
715                                         cmd.attach_files = g_ptr_array_new();
716                                 }
717                                 if (*p != G_DIR_SEPARATOR) {
718                                         file = g_strconcat(sylpheed_get_startup_dir(),
719                                                            G_DIR_SEPARATOR_S,
720                                                            p, NULL);
721                                 } else {
722                                         file = g_strdup(p);
723                                 }
724                                 g_ptr_array_add(cmd.attach_files, file);
725                                 i++;
726                                 p = argv[i + 1];
727                         }
728                 } else if (!strncmp(argv[i], "--send", 6)) {
729                         cmd.send = TRUE;
730                 } else if (!strncmp(argv[i], "--version", 9)) {
731                         puts("Sylpheed-Claws version " VERSION);
732                         exit(0);
733                 } else if (!strncmp(argv[i], "--status-full", 13)) {
734                         const gchar *p = argv[i + 1];
735  
736                         cmd.status_full = TRUE;
737                         while (p && *p != '\0' && *p != '-') {
738                                 if (!cmd.status_full_folders) {
739                                         cmd.status_full_folders =
740                                                 g_ptr_array_new();
741                                 }
742                                 g_ptr_array_add(cmd.status_full_folders,
743                                                 g_strdup(p));
744                                 i++;
745                                 p = argv[i + 1];
746                         }
747                 } else if (!strncmp(argv[i], "--status", 8)) {
748                         const gchar *p = argv[i + 1];
749  
750                         cmd.status = TRUE;
751                         while (p && *p != '\0' && *p != '-') {
752                                 if (!cmd.status_folders)
753                                         cmd.status_folders = g_ptr_array_new();
754                                 g_ptr_array_add(cmd.status_folders,
755                                                 g_strdup(p));
756                                 i++;
757                                 p = argv[i + 1];
758                         }
759                 } else if (!strncmp(argv[i], "--online", 8)) {
760                         cmd.online_mode = ONLINE_MODE_ONLINE;
761                 } else if (!strncmp(argv[i], "--offline", 9)) {
762                         cmd.online_mode = ONLINE_MODE_OFFLINE;
763                 } else if (!strncmp(argv[i], "--help", 6)) {
764                         gchar *base = g_path_get_basename(argv[0]);
765                         g_print(_("Usage: %s [OPTION]...\n"), base);
766
767                         g_print("%s\n", _("  --compose [address]    open composition window"));
768                         g_print("%s\n", _("  --subscribe [uri]      subscribe to the given URI if possible"));
769                         g_print("%s\n", _("  --attach file1 [file2]...\n"
770                                   "                         open composition window with specified files\n"
771                                   "                         attached"));
772                         g_print("%s\n", _("  --receive              receive new messages"));
773                         g_print("%s\n", _("  --receive-all          receive new messages of all accounts"));
774                         g_print("%s\n", _("  --send                 send all queued messages"));
775                         g_print("%s\n", _("  --status [folder]...   show the total number of messages"));
776                         g_print("%s\n", _("  --status-full [folder]...\n"
777                                "                         show the status of each folder"));
778                         g_print("%s\n", _("  --select folder[/msg]  jumps to the specified folder/message\n" 
779                                           "                         folder is a folder id like '#mh/Mailbox/inbox'"));
780                         g_print("%s\n", _("  --online               switch to online mode"));
781                         g_print("%s\n", _("  --offline              switch to offline mode"));
782                         g_print("%s\n", _("  --exit                 exit Sylpheed-Claws"));
783                         g_print("%s\n", _("  --debug                debug mode"));
784                         g_print("%s\n", _("  --help                 display this help and exit"));
785                         g_print("%s\n", _("  --version              output version information and exit"));
786                         g_print("%s\n", _("  --config-dir           output configuration directory"));
787
788                         g_free(base);
789                         exit(1);
790                 } else if (!strncmp(argv[i], "--crash", 7)) {
791                         cmd.crash = TRUE;
792                         cmd.crash_params = g_strdup(argv[i + 1]);
793                         i++;
794                 } else if (!strncmp(argv[i], "--config-dir", sizeof "--config-dir" - 1)) {
795                         puts(RC_DIR);
796                         exit(0);
797                 } else if (!strncmp(argv[i], "--exit", 6)) {
798                         cmd.exit = TRUE;
799                 } else if (!strncmp(argv[i], "--select", 8) && i+1 < argc) {
800                         cmd.target = argv[i+1];
801                 } else if (i == 1 && argc == 2) {
802                         /* only one parameter. Do something intelligent about it */
803                         if (strstr(argv[i], "@") && !strstr(argv[i], "://")) {
804                                 const gchar *p = argv[i];
805
806                                 cmd.compose = TRUE;
807                                 cmd.compose_mailto = NULL;
808                                 if (p && *p != '\0' && *p != '-') {
809                                         if (!strncmp(p, "mailto:", 7)) {
810                                                 cmd.compose_mailto = p + 7;
811                                         } else {
812                                                 cmd.compose_mailto = p;
813                                         }
814                                 }
815                         } else if (strstr(argv[i], "://")) {
816                                 const gchar *p = argv[i];
817                                 if (p && *p != '\0' && *p != '-') {
818                                         cmd.subscribe = TRUE;
819                                         cmd.subscribe_uri = p;
820                                 }
821                         }
822                 }
823                 
824         }
825
826         if (cmd.attach_files && cmd.compose == FALSE) {
827                 cmd.compose = TRUE;
828                 cmd.compose_mailto = NULL;
829         }
830 }
831
832 static gint get_queued_message_num(void)
833 {
834         FolderItem *queue;
835
836         queue = folder_get_default_queue();
837         if (!queue) {
838                 return -1;
839         }
840
841         folder_item_scan(queue);
842         return queue->total_msgs;
843 }
844
845 static void initial_processing(FolderItem *item, gpointer data)
846 {
847         MainWindow *mainwin = (MainWindow *)data;
848         gchar *buf;
849
850         g_return_if_fail(item);
851         buf = g_strdup_printf(_("Processing (%s)..."), 
852                               item->path 
853                               ? item->path 
854                               : _("top level folder"));
855         debug_print("%s\n", buf);
856         g_free(buf);
857
858         
859         if (item->prefs->enable_processing) {
860                 folder_item_apply_processing(item);
861         }
862
863         debug_print("done.\n");
864         STATUSBAR_POP(mainwin);
865 }
866
867 static void draft_all_messages(void)
868 {
869         GList *compose_list = NULL;
870         
871         while ((compose_list = compose_get_compose_list()) != NULL) {
872                 Compose *c = (Compose*)compose_list->data;
873                 compose_draft(c);
874         }       
875 }
876
877 gboolean clean_quit(gpointer data)
878 {
879         static gboolean firstrun = TRUE;
880
881         if (!firstrun) {
882                 return FALSE;
883         }
884         firstrun = FALSE;
885
886         /*!< Good idea to have the main window stored in a 
887          *   static variable so we can check that variable
888          *   to see if we're really allowed to do things
889          *   that actually the spawner is supposed to 
890          *   do (like: sending mail, composing messages).
891          *   Because, really, if we're the spawnee, and
892          *   we touch GTK stuff, we're hosed. See the 
893          *   next fixme. */
894
895         /* FIXME: Use something else to signal that we're
896          * in the original spawner, and not in a spawned
897          * child. */
898         if (!static_mainwindow) {
899                 return FALSE;
900         }
901                 
902         draft_all_messages();
903
904         exit_sylpheed(static_mainwindow);
905         exit(0);
906
907         return FALSE;
908 }
909
910 void app_will_exit(GtkWidget *widget, gpointer data)
911 {
912         MainWindow *mainwin = data;
913
914         if (compose_get_compose_list()) {
915                 gint val = alertpanel(_("Really quit?"),
916                                _("Composing message exists."),
917                                _("_Save to Draft"), _("_Discard them"), _("Do_n't quit"));
918                 switch (val) {
919                         case G_ALERTOTHER:
920                                 return;
921                         case G_ALERTALTERNATE:
922                                 break;
923                         default:
924                                 draft_all_messages();
925                 }
926
927                 manage_window_focus_in(mainwin->window, NULL, NULL);
928         }
929
930         if (prefs_common.warn_queued_on_exit && get_queued_message_num() > 0) {
931                 if (alertpanel(_("Queued messages"),
932                                _("Some unsent messages are queued. Exit now?"),
933                                GTK_STOCK_CANCEL, GTK_STOCK_OK, NULL)
934                     != G_ALERTALTERNATE) {
935                         return;
936                 }
937                 manage_window_focus_in(mainwin->window, NULL, NULL);
938         }
939
940         sock_cleanup();
941
942         gtk_main_quit();
943 }
944
945 /*
946  * CLAWS: want this public so crash dialog can delete the
947  * lock file too
948  */
949 #ifndef CLAWS
950 static
951 #endif
952 gchar *get_socket_name(void)
953 {
954         static gchar *filename = NULL;
955
956         if (filename == NULL) {
957                 filename = g_strdup_printf("%s%csylpheed-claws-%d",
958                                            g_get_tmp_dir(), G_DIR_SEPARATOR,
959 #if HAVE_GETUID
960                                            getuid());
961 #else
962                                            0);                                          
963 #endif
964         }
965
966         return filename;
967 }
968
969 static gchar *get_crashfile_name(void)
970 {
971         static gchar *filename = NULL;
972
973         if (filename == NULL) {
974                 filename = g_strdup_printf("%s%csylpheed-crashed",
975                                            get_tmp_dir(), G_DIR_SEPARATOR);
976         }
977
978         return filename;
979 }
980
981 static gint prohibit_duplicate_launch(void)
982 {
983         gint uxsock;
984         gchar *path;
985
986         path = get_socket_name();
987         uxsock = fd_connect_unix(path);
988         if (uxsock < 0) {
989                 g_unlink(path);
990                 return fd_open_unix(path);
991         }
992
993         /* remote command mode */
994
995         debug_print("another Sylpheed-Claws instance is already running.\n");
996
997         if (cmd.receive_all) {
998                 fd_write_all(uxsock, "receive_all\n", 12);
999         } else if (cmd.receive) {
1000                 fd_write_all(uxsock, "receive\n", 8);
1001         } else if (cmd.compose && cmd.attach_files) {
1002                 gchar *str, *compose_str;
1003                 gint i;
1004
1005                 if (cmd.compose_mailto) {
1006                         compose_str = g_strdup_printf("compose_attach %s\n",
1007                                                       cmd.compose_mailto);
1008                 } else {
1009                         compose_str = g_strdup("compose_attach\n");
1010                 }
1011
1012                 fd_write_all(uxsock, compose_str, strlen(compose_str));
1013                 g_free(compose_str);
1014
1015                 for (i = 0; i < cmd.attach_files->len; i++) {
1016                         str = g_ptr_array_index(cmd.attach_files, i);
1017                         fd_write_all(uxsock, str, strlen(str));
1018                         fd_write_all(uxsock, "\n", 1);
1019                 }
1020
1021                 fd_write_all(uxsock, ".\n", 2);
1022         } else if (cmd.compose) {
1023                 gchar *compose_str;
1024
1025                 if (cmd.compose_mailto) {
1026                         compose_str = g_strdup_printf
1027                                 ("compose %s\n", cmd.compose_mailto);
1028                 } else {
1029                         compose_str = g_strdup("compose\n");
1030                 }
1031
1032                 fd_write_all(uxsock, compose_str, strlen(compose_str));
1033                 g_free(compose_str);
1034         } else if (cmd.subscribe) {
1035                 gchar *str = g_strdup_printf("subscribe %s\n", cmd.subscribe_uri);
1036                 fd_write_all(uxsock, str, strlen(str));
1037                 g_free(str);
1038         } else if (cmd.send) {
1039                 fd_write_all(uxsock, "send\n", 5);
1040         } else if (cmd.online_mode == ONLINE_MODE_ONLINE) {
1041                 fd_write(uxsock, "online\n", 6);
1042         } else if (cmd.online_mode == ONLINE_MODE_OFFLINE) {
1043                 fd_write(uxsock, "offline\n", 7);
1044         } else if (cmd.status || cmd.status_full) {
1045                 gchar buf[BUFFSIZE];
1046                 gint i;
1047                 const gchar *command;
1048                 GPtrArray *folders;
1049                 gchar *folder;
1050  
1051                 command = cmd.status_full ? "status-full\n" : "status\n";
1052                 folders = cmd.status_full ? cmd.status_full_folders :
1053                         cmd.status_folders;
1054  
1055                 fd_write_all(uxsock, command, strlen(command));
1056                 for (i = 0; folders && i < folders->len; ++i) {
1057                         folder = g_ptr_array_index(folders, i);
1058                         fd_write_all(uxsock, folder, strlen(folder));
1059                         fd_write_all(uxsock, "\n", 1);
1060                 }
1061                 fd_write_all(uxsock, ".\n", 2);
1062                 for (;;) {
1063                         fd_gets(uxsock, buf, sizeof(buf));
1064                         if (!strncmp(buf, ".\n", 2)) break;
1065                         fputs(buf, stdout);
1066                 }
1067         } else if (cmd.exit) {
1068                 fd_write_all(uxsock, "exit\n", 5);
1069         } else if (cmd.target) {
1070                 gchar *str = g_strdup_printf("select %s\n", cmd.target);
1071                 fd_write_all(uxsock, str, strlen(str));
1072                 g_free(str);
1073         } else
1074                 fd_write_all(uxsock, "popup\n", 6);
1075
1076         fd_close(uxsock);
1077         return -1;
1078 }
1079
1080 static gint lock_socket_remove(void)
1081 {
1082 #ifdef G_OS_UNIX
1083         gchar *filename;
1084
1085         if (lock_socket < 0) {
1086                 return -1;
1087         }
1088
1089         if (lock_socket_tag > 0) {
1090                 gdk_input_remove(lock_socket_tag);
1091         }
1092         fd_close(lock_socket);
1093         filename = get_socket_name();
1094         g_unlink(filename);
1095 #endif
1096
1097         return 0;
1098 }
1099
1100 static GPtrArray *get_folder_item_list(gint sock)
1101 {
1102         gchar buf[BUFFSIZE];
1103         FolderItem *item;
1104         GPtrArray *folders = NULL;
1105
1106         for (;;) {
1107                 fd_gets(sock, buf, sizeof(buf));
1108                 if (!strncmp(buf, ".\n", 2)) {
1109                         break;
1110                 }
1111                 strretchomp(buf);
1112                 if (!folders) {
1113                         folders = g_ptr_array_new();
1114                 }
1115                 item = folder_find_item_from_identifier(buf);
1116                 if (item) {
1117                         g_ptr_array_add(folders, item);
1118                 } else {
1119                         g_warning("no such folder: %s\n", buf);
1120                 }
1121         }
1122
1123         return folders;
1124 }
1125
1126 static void lock_socket_input_cb(gpointer data,
1127                                  gint source,
1128                                  GdkInputCondition condition)
1129 {
1130         MainWindow *mainwin = (MainWindow *)data;
1131         gint sock;
1132         gchar buf[BUFFSIZE];
1133
1134         sock = fd_accept(source);
1135         fd_gets(sock, buf, sizeof(buf));
1136
1137         if (!strncmp(buf, "popup", 5)) {
1138                 main_window_popup(mainwin);
1139         } else if (!strncmp(buf, "receive_all", 11)) {
1140                 inc_all_account_mail(mainwin, FALSE,
1141                                      prefs_common.newmail_notify_manu);
1142         } else if (!strncmp(buf, "receive", 7)) {
1143                 inc_mail(mainwin, prefs_common.newmail_notify_manu);
1144         } else if (!strncmp(buf, "compose_attach", 14)) {
1145                 GPtrArray *files;
1146                 gchar *mailto;
1147
1148                 mailto = g_strdup(buf + strlen("compose_attach") + 1);
1149                 files = g_ptr_array_new();
1150                 while (fd_gets(sock, buf, sizeof(buf)) > 0) {
1151                         if (buf[0] == '.' && buf[1] == '\n') {
1152                                 break;
1153                         }
1154                         strretchomp(buf);
1155                         g_ptr_array_add(files, g_strdup(buf));
1156                 }
1157                 open_compose_new(mailto, files);
1158                 ptr_array_free_strings(files);
1159                 g_ptr_array_free(files, TRUE);
1160                 g_free(mailto);
1161         } else if (!strncmp(buf, "compose", 7)) {
1162                 open_compose_new(buf + strlen("compose") + 1, NULL);
1163         } else if (!strncmp(buf, "subscribe", 9)) {
1164                 main_window_popup(mainwin);
1165                 folder_subscribe(buf + strlen("subscribe") + 1);
1166         } else if (!strncmp(buf, "send", 4)) {
1167                 send_queue();
1168         } else if (!strncmp(buf, "online", 6)) {
1169                 main_window_toggle_work_offline(mainwin, FALSE, FALSE);
1170         } else if (!strncmp(buf, "offline", 7)) {
1171                 main_window_toggle_work_offline(mainwin, TRUE, FALSE);
1172         } else if (!strncmp(buf, "status-full", 11) ||
1173                    !strncmp(buf, "status", 6)) {
1174                 gchar *status;
1175                 GPtrArray *folders;
1176  
1177                 folders = get_folder_item_list(sock);
1178                 status = folder_get_status
1179                         (folders, !strncmp(buf, "status-full", 11));
1180                 fd_write_all(sock, status, strlen(status));
1181                 fd_write_all(sock, ".\n", 2);
1182                 g_free(status);
1183                 if (folders) g_ptr_array_free(folders, TRUE);
1184         } else if (!strncmp(buf, "select ", 7)) {
1185                 const gchar *target = buf+7;
1186                 mainwindow_jump_to(target);
1187         } else if (!strncmp(buf, "exit", 4)) {
1188                 app_will_exit(NULL, mainwin);
1189         }
1190
1191         fd_close(sock);
1192 }
1193
1194 static void open_compose_new(const gchar *address, GPtrArray *attach_files)
1195 {
1196         gchar *addr = NULL;
1197
1198         if (address) {
1199                 Xstrdup_a(addr, address, return);
1200                 g_strstrip(addr);
1201         }
1202
1203         compose_new(NULL, addr, attach_files);
1204 }
1205
1206 static void send_queue(void)
1207 {
1208         GList *list;
1209
1210         for (list = folder_get_list(); list != NULL; list = list->next) {
1211                 Folder *folder = list->data;
1212
1213                 if (folder->queue) {
1214                         gint res = procmsg_send_queue
1215                                 (folder->queue, prefs_common.savemsg);
1216
1217                         if (res < 0) {
1218                                 alertpanel_error(_("Some errors occurred while sending queued messages."));
1219                         }
1220                         if (res) {
1221                                 folder_item_scan(folder->queue);
1222                         }
1223                 }
1224         }
1225 }
1226
1227 static void quit_signal_handler(int sig)
1228 {
1229         debug_print("Quitting on signal %d\n", sig);
1230
1231         g_timeout_add(0, clean_quit, NULL);
1232 }
1233
1234 static void install_basic_sighandlers()
1235 {
1236 #ifndef G_OS_WIN32
1237         sigset_t    mask;
1238         struct sigaction act;
1239
1240         sigemptyset(&mask);
1241
1242 #ifdef SIGTERM
1243         sigaddset(&mask, SIGTERM);
1244 #endif
1245 #ifdef SIGINT
1246         sigaddset(&mask, SIGINT);
1247 #endif
1248 #ifdef SIGHUP
1249         sigaddset(&mask, SIGHUP);
1250 #endif
1251
1252         act.sa_handler = quit_signal_handler;
1253         act.sa_mask    = mask;
1254         act.sa_flags   = 0;
1255
1256 #ifdef SIGTERM
1257         sigaction(SIGTERM, &act, 0);
1258 #endif
1259 #ifdef SIGINT
1260         sigaction(SIGINT, &act, 0);
1261 #endif  
1262 #ifdef SIGHUP
1263         sigaction(SIGHUP, &act, 0);
1264 #endif  
1265
1266         sigprocmask(SIG_UNBLOCK, &mask, 0);
1267 #endif /* !G_OS_WIN32 */
1268 }