2011-11-29 [wwp] 3.7.10cvs107
[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
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 #include "sylpheed.h"
47 #include "intl.h"
48 #include "main.h"
49 #include "mainwindow.h"
50 #include "folderview.h"
51 #include "summaryview.h"
52 #include "prefs_common.h"
53 #include "prefs_account.h"
54 #include "prefs_actions.h"
55 #include "prefs_ext_prog.h"
56 #include "prefs_fonts.h"
57 #include "prefs_msg_colors.h"
58 #include "prefs_spelling.h"
59 #include "prefs_themes.h"
60 #include "prefs_wrapping.h"
61 #include "prefs_display_header.h"
62 #include "account.h"
63 #include "procmsg.h"
64 #include "inc.h"
65 #include "import.h"
66 #include "manage_window.h"
67 #include "alertpanel.h"
68 #include "statusbar.h"
69 #include "addressbook.h"
70 #include "compose.h"
71 #include "folder.h"
72 #include "setup.h"
73 #include "utils.h"
74 #include "gtkutils.h"
75 #include "socket.h"
76 #include "log.h"
77 #include "prefs_toolbar.h"
78 #include "plugin.h"
79 #include "mh_gtk.h"
80 #include "imap_gtk.h"
81 #include "news_gtk.h"
82 #include "matcher.h"
83
84 #if USE_OPENSSL
85 #  include "ssl.h"
86 #endif
87
88 #include "version.h"
89
90 #include "crash.h"
91
92 gchar *prog_version;
93 #ifdef CRASH_DIALOG
94 gchar *argv0;
95 #endif
96
97 #ifdef HAVE_STARTUP_NOTIFICATION
98 static SnLauncheeContext *sn_context = NULL;
99 static SnDisplay *sn_display = NULL;
100 #endif
101
102 static gint lock_socket = -1;
103 static gint lock_socket_tag = 0;
104
105 typedef enum 
106 {
107         ONLINE_MODE_DONT_CHANGE,
108         ONLINE_MODE_ONLINE,
109         ONLINE_MODE_OFFLINE
110 } OnlineMode;
111
112 static struct RemoteCmd {
113         gboolean receive;
114         gboolean receive_all;
115         gboolean compose;
116         const gchar *compose_mailto;
117         GPtrArray *attach_files;
118         gboolean status;
119         gboolean status_full;
120         GPtrArray *status_folders;
121         GPtrArray *status_full_folders;
122         gboolean send;
123         gboolean crash;
124         int online_mode;
125         gchar   *crash_params;
126 } cmd;
127
128 static void parse_cmd_opt(int argc, char *argv[]);
129
130 static gint prohibit_duplicate_launch   (void);
131 static gchar * get_crashfile_name       (void);
132 static gint lock_socket_remove          (void);
133 static void lock_socket_input_cb        (gpointer          data,
134                                          gint              source,
135                                          GdkInputCondition condition);
136 #ifndef CLAWS                                    
137 static 
138 #endif
139 gchar *get_socket_name          (void);
140
141
142 static void open_compose_new            (const gchar    *address,
143                                          GPtrArray      *attach_files);
144
145 static void send_queue                  (void);
146 static void initial_processing          (FolderItem *item, gpointer data);
147 static void quit_signal_handler         (int sig);
148 static void install_basic_sighandlers   (void);
149 static void exit_sylpheed               (MainWindow *mainwin);
150
151 #if 0
152 /* for gettext */
153 _("File `%s' already exists.\n"
154   "Can't create folder.")
155 #endif
156
157 #define MAKE_DIR_IF_NOT_EXIST(dir) \
158 { \
159         if (!is_dir_exist(dir)) { \
160                 if (is_file_exist(dir)) { \
161                         alertpanel_warning \
162                                 (_("File `%s' already exists.\n" \
163                                    "Can't create folder."), \
164                                  dir); \
165                         return 1; \
166                 } \
167                 if (make_dir(dir) < 0) \
168                         return 1; \
169         } \
170 }
171
172 static MainWindow *static_mainwindow;
173
174 #ifdef HAVE_STARTUP_NOTIFICATION
175 static void sn_error_trap_push(SnDisplay *display, Display *xdisplay)
176 {
177         gdk_error_trap_push();
178 }
179
180 static void sn_error_trap_pop(SnDisplay *display, Display *xdisplay)
181 {
182         gdk_error_trap_pop();
183 }
184
185 static void startup_notification_complete(gboolean with_window)
186 {
187         Display *xdisplay;
188         GtkWidget *hack = NULL;
189
190         if (with_window) {
191                 /* this is needed to make the startup notification leave,
192                  * if we have been launched from a menu.
193                  * We have to display a window, so let it be very little */
194                 hack = gtk_window_new(GTK_WINDOW_POPUP);
195                 gtk_widget_set_uposition(hack, 0, 0);
196                 gtk_widget_set_usize(hack, 1, 1);
197                 gtk_widget_show(hack);
198         }
199
200         xdisplay = GDK_DISPLAY();
201         sn_display = sn_display_new(xdisplay,
202                                 sn_error_trap_push,
203                                 sn_error_trap_pop);
204         sn_context = sn_launchee_context_new_from_environment(sn_display,
205                                                  DefaultScreen(xdisplay));
206
207         if (sn_context != NULL)
208         {
209                 sn_launchee_context_complete(sn_context);
210                 sn_launchee_context_unref(sn_context);
211                 sn_display_unref(sn_display);
212         }
213 }
214 #endif /* HAVE_STARTUP_NOTIFICATION */
215
216 void sylpheed_gtk_idle(void) 
217 {
218         while(gtk_events_pending())
219                 gtk_main_iteration();
220 }
221
222 int main(int argc, char *argv[])
223 {
224
225         gchar *userrc;
226         MainWindow *mainwin;
227         FolderView *folderview;
228
229         if (!sylpheed_init(&argc, &argv)) {
230                 return 0;
231         }
232
233         prog_version = PROG_VERSION;
234 #ifdef CRASH_DIALOG
235         argv0 = g_strdup(argv[0]);
236 #endif
237
238         parse_cmd_opt(argc, argv);
239
240 #ifdef CRASH_DIALOG
241         if (cmd.crash) {
242                 gtk_set_locale();
243                 gtk_init(&argc, &argv);
244                 crash_main(cmd.crash_params);
245                 return 0;
246         }
247         crash_install_handlers();
248 #endif
249         install_basic_sighandlers();
250
251         /* check and create unix domain socket */
252         lock_socket = prohibit_duplicate_launch();
253         if (lock_socket < 0) {
254 #ifdef HAVE_STARTUP_NOTIFICATION
255                 if(gtk_init_check(&argc, &argv))
256                         startup_notification_complete(TRUE);
257 #endif
258                 return 0;
259         }
260
261         if (cmd.status || cmd.status_full) {
262                 puts("0 Sylpheed not running.");
263                 lock_socket_remove();
264                 return 0;
265         }
266
267         gtk_set_locale();
268         gtk_init(&argc, &argv);
269
270         gdk_rgb_init();
271         gtk_widget_set_default_colormap(gdk_rgb_get_cmap());
272         gtk_widget_set_default_visual(gdk_rgb_get_visual());
273
274 #if USE_THREADS || USE_LDAP
275         g_thread_init(NULL);
276         if (!g_thread_supported())
277                 g_error(_("g_thread is not supported by glib.\n"));
278 #endif
279
280         /* parse gtkrc files */
281         userrc = g_strconcat(get_home_dir(), G_DIR_SEPARATOR_S, ".gtkrc",
282                              NULL);
283         gtk_rc_parse(userrc);
284         g_free(userrc);
285         userrc = g_strconcat(get_home_dir(), G_DIR_SEPARATOR_S, ".gtk",
286                              G_DIR_SEPARATOR_S, "gtkrc", NULL);
287         gtk_rc_parse(userrc);
288         g_free(userrc);
289         userrc = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S, "gtkrc", NULL);
290         gtk_rc_parse(userrc);
291         g_free(userrc);
292
293         userrc = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S, MENU_RC, NULL);
294         gtk_item_factory_parse_rc(userrc);
295         g_free(userrc);
296
297         CHDIR_RETURN_VAL_IF_FAIL(get_home_dir(), 1);
298
299         MAKE_DIR_IF_NOT_EXIST(RC_DIR);
300         MAKE_DIR_IF_NOT_EXIST(get_imap_cache_dir());
301         MAKE_DIR_IF_NOT_EXIST(get_news_cache_dir());
302         MAKE_DIR_IF_NOT_EXIST(get_mime_tmp_dir());
303         MAKE_DIR_IF_NOT_EXIST(get_tmp_dir());
304         MAKE_DIR_IF_NOT_EXIST(RC_DIR G_DIR_SEPARATOR_S "uidl");
305
306         set_log_file(RC_DIR G_DIR_SEPARATOR_S "sylpheed.log");
307
308         folder_system_init();
309         prefs_common_init();
310         prefs_common_read_config();
311
312         prefs_themes_init();
313         prefs_fonts_init();
314         prefs_ext_prog_init();
315         prefs_wrapping_init();
316         prefs_msg_colors_init();
317 #ifdef USE_ASPELL
318         gtkaspell_checkers_init();
319         prefs_spelling_init();
320 #endif
321         
322         sock_set_io_timeout(prefs_common.io_timeout_secs);
323
324         prefs_actions_read_config();
325         prefs_display_header_read_config();
326         /* prefs_filtering_read_config(); */
327         addressbook_read_file();
328         renderer_read_config();
329
330         gtkut_widget_init();
331
332         folderview_initialize();
333         mh_gtk_init();
334         imap_gtk_init();
335         news_gtk_init();
336         mainwin = main_window_create
337                 (prefs_common.sep_folder | prefs_common.sep_msg << 1);
338         folderview = mainwin->folderview;
339
340         /* register the callback of unix domain socket input */
341         lock_socket_tag = gdk_input_add(lock_socket,
342                                         GDK_INPUT_READ | GDK_INPUT_EXCEPTION,
343                                         lock_socket_input_cb,
344                                         mainwin);
345
346         prefs_account_init();
347         account_read_config_all();
348
349         if (folder_read_list() < 0) {
350                 setup(mainwin);
351                 folder_write_list();
352         }
353         if (!account_get_list()) {
354                 account_edit_open();
355                 account_add();
356         }
357
358         account_set_missing_folder();
359         folder_set_missing_folders();
360         folderview_set(folderview);
361
362         prefs_matcher_read_config();
363
364         /* make one all-folder processing before using sylpheed */
365         main_window_cursor_wait(mainwin);
366         folder_func_to_all_folders(initial_processing, (gpointer *)mainwin);
367         main_window_cursor_normal(mainwin);
368
369         /* if Sylpheed crashed, rebuild caches */
370         if (!cmd.crash && is_file_exist(get_crashfile_name())) {
371                 debug_print("Sylpheed crashed, checking for new messages in local folders\n");
372                 folderview_check_new(NULL);
373         }
374         /* make the crash-indicator file */
375         str_write_to_file("foo", get_crashfile_name());
376
377         addressbook_read_file();
378
379         inc_autocheck_timer_init(mainwin);
380
381         /* ignore SIGPIPE signal for preventing sudden death of program */
382         signal(SIGPIPE, SIG_IGN);
383
384         if (cmd.online_mode == ONLINE_MODE_OFFLINE)
385                 main_window_toggle_work_offline(mainwin, TRUE);
386         if (cmd.online_mode == ONLINE_MODE_ONLINE)
387                 main_window_toggle_work_offline(mainwin, FALSE);
388
389         if (cmd.status_folders) {
390                 g_ptr_array_free(cmd.status_folders, TRUE);
391                 cmd.status_folders = NULL;
392         }
393         if (cmd.status_full_folders) {
394                 g_ptr_array_free(cmd.status_full_folders, TRUE);
395                 cmd.status_full_folders = NULL;
396         }
397
398         sylpheed_register_idle_function(sylpheed_gtk_idle);
399
400         prefs_toolbar_init();
401
402         plugin_load_all("GTK");
403         
404         static_mainwindow = mainwin;
405
406 #ifdef HAVE_STARTUP_NOTIFICATION
407         startup_notification_complete(FALSE);
408 #endif
409
410         if (cmd.receive_all)
411                 inc_all_account_mail(mainwin, FALSE, 
412                                      prefs_common.newmail_notify_manu);
413         else if (prefs_common.chk_on_startup)
414                 inc_all_account_mail(mainwin, TRUE, 
415                                      prefs_common.newmail_notify_manu);
416         else if (cmd.receive)
417                 inc_mail(mainwin, prefs_common.newmail_notify_manu);
418         else
419                 gtk_widget_grab_focus(folderview->ctree);
420
421         if (cmd.compose)
422                 open_compose_new(cmd.compose_mailto, cmd.attach_files);
423         if (cmd.attach_files) {
424                 ptr_array_free_strings(cmd.attach_files);
425                 g_ptr_array_free(cmd.attach_files, TRUE);
426                 cmd.attach_files = NULL;
427         }
428         if (cmd.send)
429                 send_queue();
430
431         gtk_main();
432
433         exit_sylpheed(mainwin);
434
435         return 0;
436 }
437
438 static void save_all_caches(FolderItem *item, gpointer data)
439 {
440         if (!item->cache)
441                 return;
442         folder_item_write_cache(item);
443 }
444
445 static void exit_sylpheed(MainWindow *mainwin)
446 {
447         gchar *filename;
448
449         debug_print("shutting down\n");
450
451         inc_autocheck_timer_remove();
452
453         if (prefs_common.clean_on_exit)
454                 main_window_empty_trash(mainwin, prefs_common.ask_on_clean);
455
456         /* save prefs for opened folder */
457         if(mainwin->folderview->opened)
458         {
459                 FolderItem *item;
460
461                 item = gtk_ctree_node_get_row_data(GTK_CTREE(mainwin->folderview->ctree), mainwin->folderview->opened);
462                 summary_save_prefs_to_folderitem(mainwin->folderview->summaryview, item);
463         }
464
465         /* save all state before exiting */
466         folder_write_list();
467         folder_func_to_all_folders(save_all_caches, NULL);
468
469         main_window_get_size(mainwin);
470         main_window_get_position(mainwin);
471         prefs_common_write_config();
472         account_write_config_all();
473         addressbook_export_to_file();
474
475         filename = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S, MENU_RC, NULL);
476         gtk_item_factory_dump_rc(filename, NULL, TRUE);
477         g_free(filename);
478
479         /* delete temporary files */
480         remove_all_files(get_tmp_dir());
481         remove_all_files(get_mime_tmp_dir());
482
483         close_log_file();
484
485         /* delete crashfile */
486         if (!cmd.crash)
487                 unlink(get_crashfile_name());
488
489         lock_socket_remove();
490
491         main_window_destroy(mainwin);
492         
493         plugin_unload_all("GTK");
494
495         prefs_toolbar_done();
496
497         addressbook_destroy();
498
499         prefs_themes_done();
500         prefs_fonts_done();
501         prefs_ext_prog_done();
502         prefs_wrapping_done();
503         prefs_msg_colors_done();
504 #ifdef USE_ASPELL       
505         prefs_spelling_done();
506         gtkaspell_checkers_quit();
507 #endif
508         sylpheed_done();
509
510 }
511
512 static void parse_cmd_opt(int argc, char *argv[])
513 {
514         gint i;
515
516         for (i = 1; i < argc; i++) {
517                 if (!strncmp(argv[i], "--receive-all", 13))
518                         cmd.receive_all = TRUE;
519                 else if (!strncmp(argv[i], "--receive", 9))
520                         cmd.receive = TRUE;
521                 else if (!strncmp(argv[i], "--compose", 9)) {
522                         const gchar *p = argv[i + 1];
523
524                         cmd.compose = TRUE;
525                         cmd.compose_mailto = NULL;
526                         if (p && *p != '\0' && *p != '-') {
527                                 if (!strncmp(p, "mailto:", 7))
528                                         cmd.compose_mailto = p + 7;
529                                 else
530                                         cmd.compose_mailto = p;
531                                 i++;
532                         }
533                 } else if (!strncmp(argv[i], "--attach", 8)) {
534                         const gchar *p = argv[i + 1];
535                         gchar *file;
536
537                         while (p && *p != '\0' && *p != '-') {
538                                 if (!cmd.attach_files)
539                                         cmd.attach_files = g_ptr_array_new();
540                                 if (*p != G_DIR_SEPARATOR)
541                                         file = g_strconcat(sylpheed_get_startup_dir(),
542                                                            G_DIR_SEPARATOR_S,
543                                                            p, NULL);
544                                 else
545                                         file = g_strdup(p);
546                                 g_ptr_array_add(cmd.attach_files, file);
547                                 i++;
548                                 p = argv[i + 1];
549                         }
550                 } else if (!strncmp(argv[i], "--send", 6)) {
551                         cmd.send = TRUE;
552                 } else if (!strncmp(argv[i], "--version", 9)) {
553                         puts("Sylpheed version " VERSION);
554                         exit(0);
555                 } else if (!strncmp(argv[i], "--status-full", 13)) {
556                         const gchar *p = argv[i + 1];
557  
558                         cmd.status_full = TRUE;
559                         while (p && *p != '\0' && *p != '-') {
560                                 if (!cmd.status_full_folders)
561                                         cmd.status_full_folders =
562                                                 g_ptr_array_new();
563                                 g_ptr_array_add(cmd.status_full_folders,
564                                                 g_strdup(p));
565                                 i++;
566                                 p = argv[i + 1];
567                         }
568                 } else if (!strncmp(argv[i], "--status", 8)) {
569                         const gchar *p = argv[i + 1];
570  
571                         cmd.status = TRUE;
572                         while (p && *p != '\0' && *p != '-') {
573                                 if (!cmd.status_folders)
574                                         cmd.status_folders = g_ptr_array_new();
575                                 g_ptr_array_add(cmd.status_folders,
576                                                 g_strdup(p));
577                                 i++;
578                                 p = argv[i + 1];
579                         }
580                 } else if (!strncmp(argv[i], "--online", 8)) {
581                         cmd.online_mode = ONLINE_MODE_ONLINE;
582                 } else if (!strncmp(argv[i], "--offline", 9)) {
583                         cmd.online_mode = ONLINE_MODE_OFFLINE;
584                 } else if (!strncmp(argv[i], "--help", 6)) {
585                         g_print(_("Usage: %s [OPTION]...\n"),
586                                 g_basename(argv[0]));
587
588                         puts(_("  --compose [address]    open composition window"));
589                         puts(_("  --attach file1 [file2]...\n"
590                                "                         open composition window with specified files\n"
591                                "                         attached"));
592                         puts(_("  --receive              receive new messages"));
593                         puts(_("  --receive-all          receive new messages of all accounts"));
594                         puts(_("  --send                 send all queued messages"));
595                         puts(_("  --status [folder]...   show the total number of messages"));
596                         puts(_("  --status-full [folder]...\n"
597                                "                         show the status of each folder"));
598                         puts(_("  --online               switch to online mode"));
599                         puts(_("  --offline              switch to offline mode"));
600                         puts(_("  --debug                debug mode"));
601                         puts(_("  --help                 display this help and exit"));
602                         puts(_("  --version              output version information and exit"));
603                         puts(_("  --config-dir           output configuration directory"));
604
605                         exit(1);
606                 } else if (!strncmp(argv[i], "--crash", 7)) {
607                         cmd.crash = TRUE;
608                         cmd.crash_params = g_strdup(argv[i + 1]);
609                         i++;
610                 } else if (!strncmp(argv[i], "--config-dir", sizeof "--config-dir" - 1)) {
611                         puts(RC_DIR);
612                         exit(0);
613                 }
614                 
615         }
616
617         if (cmd.attach_files && cmd.compose == FALSE) {
618                 cmd.compose = TRUE;
619                 cmd.compose_mailto = NULL;
620         }
621 }
622
623 static gint get_queued_message_num(void)
624 {
625         FolderItem *queue;
626
627         queue = folder_get_default_queue();
628         if (!queue) return -1;
629
630         folder_item_scan(queue);
631         return queue->total_msgs;
632 }
633
634 static void initial_processing(FolderItem *item, gpointer data)
635 {
636         MainWindow *mainwin = (MainWindow *)data;
637         gchar *buf;
638
639         g_return_if_fail(item);
640         buf = g_strdup_printf(_("Processing (%s)..."), 
641                               item->path 
642                               ? item->path 
643                               : _("top level folder"));
644         debug_print("%s\n", buf);
645         g_free(buf);
646
647         if (item->prefs->enable_processing)
648                 folder_item_apply_processing(item);
649
650         debug_print("done.\n");
651         STATUSBAR_POP(mainwin);
652 }
653
654 static void draft_all_messages(void)
655 {
656         GList *compose_list = NULL;
657         GList *elem = NULL;
658         
659         while ((compose_list = compose_get_compose_list()) != NULL) {
660                 Compose *c = (Compose*)compose_list->data;
661                 compose_draft(c);
662         }       
663 }
664
665 gboolean clean_quit(gpointer data)
666 {
667         static gboolean firstrun = TRUE;
668
669         if (!firstrun)
670                 return FALSE;
671         firstrun = FALSE;
672
673         /*!< Good idea to have the main window stored in a 
674          *   static variable so we can check that variable
675          *   to see if we're really allowed to do things
676          *   that actually the spawner is supposed to 
677          *   do (like: sending mail, composing messages).
678          *   Because, really, if we're the spawnee, and
679          *   we touch GTK stuff, we're hosed. See the 
680          *   next fixme. */
681
682         /* FIXME: Use something else to signal that we're
683          * in the original spawner, and not in a spawned
684          * child. */
685         if (!static_mainwindow) 
686                 return FALSE;
687                 
688         draft_all_messages();
689
690         exit_sylpheed(static_mainwindow);
691         exit(0);
692
693         return FALSE;
694 }
695
696 void app_will_exit(GtkWidget *widget, gpointer data)
697 {
698         MainWindow *mainwin = data;
699         
700         if (compose_get_compose_list()) {
701                 gint val = alertpanel(_("Really quit?"),
702                                _("Composing message exists."),
703                                _("Draft them"), _("Discard them"), _("Don't quit"));
704                 switch (val) {
705                         case G_ALERTOTHER:
706                                 return;
707                         case G_ALERTALTERNATE:
708                                 break;
709                         default:
710                                 draft_all_messages();
711                 }
712                 
713                 manage_window_focus_in(mainwin->window, NULL, NULL);
714         }
715
716         if (prefs_common.warn_queued_on_exit && get_queued_message_num() > 0) {
717                 if (alertpanel(_("Queued messages"),
718                                _("Some unsent messages are queued. Exit now?"),
719                                _("OK"), _("Cancel"), NULL) != G_ALERTDEFAULT)
720                         return;
721                 manage_window_focus_in(mainwin->window, NULL, NULL);
722         }
723         gtk_main_quit();
724 }
725
726 /*
727  * CLAWS: want this public so crash dialog can delete the
728  * lock file too
729  */
730 #ifndef CLAWS
731 static
732 #endif
733 gchar *get_socket_name(void)
734 {
735         static gchar *filename = NULL;
736
737         if (filename == NULL) {
738                 filename = g_strdup_printf("%s%csylpheed-%d",
739                                            g_get_tmp_dir(), G_DIR_SEPARATOR,
740                                            getuid());
741         }
742
743         return filename;
744 }
745
746 static gchar *get_crashfile_name(void)
747 {
748         static gchar *filename = NULL;
749
750         if (filename == NULL) {
751                 filename = g_strdup_printf("%s%csylpheed-crashed",
752                                            get_tmp_dir(), G_DIR_SEPARATOR);
753         }
754
755         return filename;
756 }
757
758 static gint prohibit_duplicate_launch(void)
759 {
760         gint uxsock;
761         gchar *path;
762
763         path = get_socket_name();
764         uxsock = fd_connect_unix(path);
765         if (uxsock < 0) {
766                 unlink(path);
767                 return fd_open_unix(path);
768         }
769
770         /* remote command mode */
771
772         debug_print("another Sylpheed is already running.\n");
773
774         if (cmd.receive_all)
775                 fd_write_all(uxsock, "receive_all\n", 12);
776         else if (cmd.receive)
777                 fd_write_all(uxsock, "receive\n", 8);
778         else if (cmd.compose && cmd.attach_files) {
779                 gchar *str, *compose_str;
780                 gint i;
781
782                 if (cmd.compose_mailto)
783                         compose_str = g_strdup_printf("compose_attach %s\n",
784                                                       cmd.compose_mailto);
785                 else
786                         compose_str = g_strdup("compose_attach\n");
787
788                 fd_write_all(uxsock, compose_str, strlen(compose_str));
789                 g_free(compose_str);
790
791                 for (i = 0; i < cmd.attach_files->len; i++) {
792                         str = g_ptr_array_index(cmd.attach_files, i);
793                         fd_write_all(uxsock, str, strlen(str));
794                         fd_write_all(uxsock, "\n", 1);
795                 }
796
797                 fd_write_all(uxsock, ".\n", 2);
798         } else if (cmd.compose) {
799                 gchar *compose_str;
800
801                 if (cmd.compose_mailto)
802                         compose_str = g_strdup_printf
803                                 ("compose %s\n", cmd.compose_mailto);
804                 else
805                         compose_str = g_strdup("compose\n");
806
807                 fd_write_all(uxsock, compose_str, strlen(compose_str));
808                 g_free(compose_str);
809         } else if (cmd.send) {
810                 fd_write_all(uxsock, "send\n", 5);
811         } else if (cmd.online_mode == ONLINE_MODE_ONLINE) {
812                 fd_write(uxsock, "online\n", 6);
813         } else if (cmd.online_mode == ONLINE_MODE_OFFLINE) {
814                 fd_write(uxsock, "offline\n", 7);
815         } else if (cmd.status || cmd.status_full) {
816                 gchar buf[BUFFSIZE];
817                 gint i;
818                 const gchar *command;
819                 GPtrArray *folders;
820                 gchar *folder;
821  
822                 command = cmd.status_full ? "status-full\n" : "status\n";
823                 folders = cmd.status_full ? cmd.status_full_folders :
824                         cmd.status_folders;
825  
826                 fd_write_all(uxsock, command, strlen(command));
827                 for (i = 0; folders && i < folders->len; ++i) {
828                         folder = g_ptr_array_index(folders, i);
829                         fd_write_all(uxsock, folder, strlen(folder));
830                         fd_write_all(uxsock, "\n", 1);
831                 }
832                 fd_write_all(uxsock, ".\n", 2);
833                 for (;;) {
834                         fd_gets(uxsock, buf, sizeof(buf));
835                         if (!strncmp(buf, ".\n", 2)) break;
836                         fputs(buf, stdout);
837                 }
838         } else
839                 fd_write_all(uxsock, "popup\n", 6);
840
841         fd_close(uxsock);
842         return -1;
843 }
844
845 static gint lock_socket_remove(void)
846 {
847         gchar *filename;
848
849         if (lock_socket < 0) return -1;
850
851         if (lock_socket_tag > 0)
852                 gdk_input_remove(lock_socket_tag);
853         fd_close(lock_socket);
854         filename = get_socket_name();
855         unlink(filename);
856
857         return 0;
858 }
859
860 static GPtrArray *get_folder_item_list(gint sock)
861 {
862         gchar buf[BUFFSIZE];
863         FolderItem *item;
864         GPtrArray *folders = NULL;
865
866         for (;;) {
867                 fd_gets(sock, buf, sizeof(buf));
868                 if (!strncmp(buf, ".\n", 2)) break;
869                 strretchomp(buf);
870                 if (!folders) folders = g_ptr_array_new();
871                 item = folder_find_item_from_identifier(buf);
872                 if (item)
873                         g_ptr_array_add(folders, item);
874                 else
875                         g_warning("no such folder: %s\n", buf);
876         }
877
878         return folders;
879 }
880
881 static void lock_socket_input_cb(gpointer data,
882                                  gint source,
883                                  GdkInputCondition condition)
884 {
885         MainWindow *mainwin = (MainWindow *)data;
886         gint sock;
887         gchar buf[BUFFSIZE];
888
889         sock = fd_accept(source);
890         fd_gets(sock, buf, sizeof(buf));
891
892         if (!strncmp(buf, "popup", 5)) {
893                 main_window_popup(mainwin);
894         } else if (!strncmp(buf, "receive_all", 11)) {
895                 inc_all_account_mail(mainwin, FALSE,
896                                      prefs_common.newmail_notify_manu);
897         } else if (!strncmp(buf, "receive", 7)) {
898                 inc_mail(mainwin, prefs_common.newmail_notify_manu);
899         } else if (!strncmp(buf, "compose_attach", 14)) {
900                 GPtrArray *files;
901                 gchar *mailto;
902
903                 mailto = g_strdup(buf + strlen("compose_attach") + 1);
904                 files = g_ptr_array_new();
905                 while (fd_gets(sock, buf, sizeof(buf)) > 0) {
906                         if (buf[0] == '.' && buf[1] == '\n') break;
907                         strretchomp(buf);
908                         g_ptr_array_add(files, g_strdup(buf));
909                 }
910                 open_compose_new(mailto, files);
911                 ptr_array_free_strings(files);
912                 g_ptr_array_free(files, TRUE);
913                 g_free(mailto);
914         } else if (!strncmp(buf, "compose", 7)) {
915                 open_compose_new(buf + strlen("compose") + 1, NULL);
916         } else if (!strncmp(buf, "send", 4)) {
917                 send_queue();
918         } else if (!strncmp(buf, "online", 6)) {
919                 main_window_toggle_work_offline(mainwin, FALSE);
920         } else if (!strncmp(buf, "offline", 7)) {
921                 main_window_toggle_work_offline(mainwin, TRUE);
922         } else if (!strncmp(buf, "status-full", 11) ||
923                    !strncmp(buf, "status", 6)) {
924                 gchar *status;
925                 GPtrArray *folders;
926  
927                 folders = get_folder_item_list(sock);
928                 status = folder_get_status
929                         (folders, !strncmp(buf, "status-full", 11));
930                 fd_write_all(sock, status, strlen(status));
931                 fd_write_all(sock, ".\n", 2);
932                 g_free(status);
933                 if (folders) g_ptr_array_free(folders, TRUE);
934         }
935
936         fd_close(sock);
937 }
938
939 static void open_compose_new(const gchar *address, GPtrArray *attach_files)
940 {
941         gchar *addr = NULL;
942
943         if (address) {
944                 Xstrdup_a(addr, address, return);
945                 g_strstrip(addr);
946         }
947
948         compose_new(NULL, addr, attach_files);
949 }
950
951 static void send_queue(void)
952 {
953         GList *list;
954
955         for (list = folder_get_list(); list != NULL; list = list->next) {
956                 Folder *folder = list->data;
957
958                 if (folder->queue) {
959                         gint res = procmsg_send_queue
960                                 (folder->queue, prefs_common.savemsg);
961
962                         if (res < 0)    
963                                 alertpanel_error(_("Some errors occurred while sending queued messages."));
964                         if (res)        
965                                 folder_item_scan(folder->queue);
966                 }
967         }
968 }
969
970 static void quit_signal_handler(int sig)
971 {
972         debug_print("Quitting on signal %d\n", sig);
973
974         g_timeout_add(0, clean_quit, NULL);
975 }
976
977 static void install_basic_sighandlers()
978 {
979         sigset_t    mask;
980         struct sigaction act;
981
982         sigemptyset(&mask);
983
984 #ifdef SIGTERM
985         sigaddset(&mask, SIGTERM);
986 #endif
987 #ifdef SIGINT
988         sigaddset(&mask, SIGINT);
989 #endif
990 #ifdef SIGHUP
991         sigaddset(&mask, SIGHUP);
992 #endif
993
994         act.sa_handler = quit_signal_handler;
995         act.sa_mask    = mask;
996         act.sa_flags   = 0;
997
998 #ifdef SIGTERM
999         sigaction(SIGTERM, &act, 0);
1000 #endif
1001 #ifdef SIGINT
1002         sigaction(SIGINT, &act, 0);
1003 #endif  
1004 #ifdef SIGHUP
1005         sigaction(SIGHUP, &act, 0);
1006 #endif  
1007
1008         sigprocmask(SIG_UNBLOCK, &mask, 0);
1009 }