src/main.c

   1 /*
   2  * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
   3  * Copyright (C) 1999-2003 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 #if USE_GPGME
  41 #  include <gpgme.h>
  42 #  include "passphrase.h"
  43 #endif
  44
  45 #include "sylpheed.h"
  46 #include "intl.h"
  47 #include "main.h"
  48 #include "mainwindow.h"
  49 #include "folderview.h"
  50 #include "summaryview.h"
  51 #include "prefs_common.h"
  52 #include "prefs_account.h"
  53 #include "prefs_actions.h"
  54 #include "scoring.h"
  55 #include "prefs_display_header.h"
  56 #include "account.h"
  57 #include "procmsg.h"
  58 #include "inc.h"
  59 #include "import.h"
  60 #include "manage_window.h"
  61 #include "alertpanel.h"
  62 #include "statusbar.h"
  63 #include "addressbook.h"
  64 #include "compose.h"
  65 #include "folder.h"
  66 #include "setup.h"
  67 #include "utils.h"
  68 #include "gtkutils.h"
  69 #include "socket.h"
  70 #include "log.h"
  71 #include "prefs_toolbar.h"
  72 #include "plugin.h"
  73
  74 #if USE_GPGME
  75 #  include "rfc2015.h"
  76 #endif
  77 #if USE_OPENSSL
  78 #  include "ssl.h"
  79 #endif
  80
  81 #include "version.h"
  82
  83 #include "crash.h"
  84
  85 gchar *prog_version;
  86 #ifdef CRASH_DIALOG
  87 gchar *argv0;
  88 #endif
  89
  90 static gint lock_socket = -1;
  91 static gint lock_socket_tag = 0;
  92
  93 typedef enum
  94 {
  95         ONLINE_MODE_DONT_CHANGE,
  96         ONLINE_MODE_ONLINE,
  97         ONLINE_MODE_OFFLINE
  98 } OnlineMode;
  99
 100 static struct RemoteCmd {
 101         gboolean receive;
 102         gboolean receive_all;
 103         gboolean compose;
 104         const gchar *compose_mailto;
 105         GPtrArray *attach_files;
 106         gboolean status;
 107         gboolean status_full;
 108         GPtrArray *status_folders;
 109         GPtrArray *status_full_folders;
 110         gboolean send;
 111         gboolean crash;
 112         int online_mode;
 113         gchar   *crash_params;
 114 } cmd;
 115
 116 static void parse_cmd_opt(int argc, char *argv[]);
 117
 118 #if USE_GPGME
 119 static void idle_function_for_gpgme(void);
 120 #endif /* USE_GPGME */
 121
 122 static gint prohibit_duplicate_launch   (void);
 123 static gchar * get_crashfile_name       (void);
 124 static gint lock_socket_remove          (void);
 125 static void lock_socket_input_cb        (gpointer          data,
 126                                          gint              source,
 127                                          GdkInputCondition condition);
 128 #ifndef CLAWS
 129 static
 130 #endif
 131 gchar *get_socket_name          (void);
 132
 133
 134 static void open_compose_new            (const gchar    *address,
 135                                          GPtrArray      *attach_files);
 136
 137 static void send_queue                  (void);
 138 static void initial_processing          (FolderItem *item, gpointer data);
 139 static void quit_signal_handler         (int sig);
 140 static void install_basic_sighandlers   (void);
 141
 142 #if 0
 143 /* for gettext */
 144 _("File `%s' already exists.\n"
 145   "Can't create folder.")
 146 #endif
 147
 148 #define MAKE_DIR_IF_NOT_EXIST(dir) \
 149 { \
 150         if (!is_dir_exist(dir)) { \
 151                 if (is_file_exist(dir)) { \
 152                         alertpanel_warning \
 153                                 (_("File `%s' already exists.\n" \
 154                                    "Can't create folder."), \
 155                                  dir); \
 156                         return 1; \
 157                 } \
 158                 if (make_dir(dir) < 0) \
 159                         return 1; \
 160         } \
 161 }
 162
 163 static MainWindow *static_mainwindow;
 164
 165 int main(int argc, char *argv[])
 166 {
 167         gchar *userrc;
 168         MainWindow *mainwin;
 169         FolderView *folderview;
 170
 171         if (!sylpheed_init(&argc, &argv)) {
 172                 return 0;
 173         }
 174
 175         prog_version = PROG_VERSION;
 176 #ifdef CRASH_DIALOG
 177         argv0 = g_strdup(argv[0]);
 178 #endif
 179
 180         parse_cmd_opt(argc, argv);
 181
 182 #ifdef CRASH_DIALOG
 183         if (cmd.crash) {
 184                 gtk_set_locale();
 185                 gtk_init(&argc, &argv);
 186                 crash_main(cmd.crash_params);
 187                 return 0;
 188         }
 189         crash_install_handlers();
 190 #endif
 191         install_basic_sighandlers();
 192
 193         /* check and create unix domain socket */
 194         lock_socket = prohibit_duplicate_launch();
 195         if (lock_socket < 0) return 0;
 196
 197         if (cmd.status || cmd.status_full) {
 198                 puts("0 Sylpheed not running.");
 199                 lock_socket_remove();
 200                 return 0;
 201         }
 202
 203         gtk_set_locale();
 204         gtk_init(&argc, &argv);
 205
 206         gdk_rgb_init();
 207         gtk_widget_set_default_colormap(gdk_rgb_get_cmap());
 208         gtk_widget_set_default_visual(gdk_rgb_get_visual());
 209
 210 #if USE_THREADS || USE_LDAP
 211         g_thread_init(NULL);
 212         if (!g_thread_supported())
 213                 g_error(_("g_thread is not supported by glib.\n"));
 214 #endif
 215
 216         /* parse gtkrc files */
 217         userrc = g_strconcat(get_home_dir(), G_DIR_SEPARATOR_S, ".gtkrc",
 218                              NULL);
 219         gtk_rc_parse(userrc);
 220         g_free(userrc);
 221         userrc = g_strconcat(get_home_dir(), G_DIR_SEPARATOR_S, ".gtk",
 222                              G_DIR_SEPARATOR_S, "gtkrc", NULL);
 223         gtk_rc_parse(userrc);
 224         g_free(userrc);
 225         userrc = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S, "gtkrc", NULL);
 226         gtk_rc_parse(userrc);
 227         g_free(userrc);
 228
 229         gtk_rc_parse("./gtkrc");
 230
 231         userrc = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S, MENU_RC, NULL);
 232         gtk_item_factory_parse_rc(userrc);
 233         g_free(userrc);
 234
 235         CHDIR_RETURN_VAL_IF_FAIL(get_home_dir(), 1);
 236
 237         MAKE_DIR_IF_NOT_EXIST(RC_DIR);
 238         MAKE_DIR_IF_NOT_EXIST(get_imap_cache_dir());
 239         MAKE_DIR_IF_NOT_EXIST(get_news_cache_dir());
 240         MAKE_DIR_IF_NOT_EXIST(get_mime_tmp_dir());
 241         MAKE_DIR_IF_NOT_EXIST(get_tmp_dir());
 242         MAKE_DIR_IF_NOT_EXIST(RC_DIR G_DIR_SEPARATOR_S "uidl");
 243
 244         set_log_file(RC_DIR G_DIR_SEPARATOR_S "sylpheed.log");
 245
 246         folder_system_init();
 247         prefs_common_init();
 248         prefs_common_read_config();
 249
 250 #if USE_GPGME
 251         gpg_started = FALSE;
 252         if (gpgme_engine_check_version(GPGME_PROTOCOL_OpenPGP) !=
 253                         GPGME_No_Error) {  /* Also does some gpgme init */
 254                 rfc2015_disable_all();
 255                 debug_print("gpgme_engine_version:\n%s\n",
 256                             gpgme_get_engine_info());
 257
 258                 if (prefs_common.gpg_warning) {
 259                         AlertValue val;
 260
 261                         val = alertpanel_message_with_disable
 262                                 (_("Warning"),
 263                                  _("GnuPG is not installed properly, or needs to be upgraded.\n"
 264                                    "OpenPGP support disabled."));
 265                         if (val & G_ALERTDISABLE)
 266                                 prefs_common.gpg_warning = FALSE;
 267                 }
 268         } else
 269                 gpg_started = TRUE;
 270
 271         gpgme_register_idle(idle_function_for_gpgme);
 272 #endif
 273
 274 #ifdef USE_ASPELL
 275         gtkaspell_checkers_init();
 276 #endif
 277
 278         sock_set_io_timeout(prefs_common.io_timeout_secs);
 279
 280         prefs_actions_read_config();
 281         prefs_display_header_read_config();
 282         /* prefs_filtering_read_config(); */
 283         addressbook_read_file();
 284         renderer_read_config();
 285
 286         gtkut_widget_init();
 287
 288         mainwin = main_window_create
 289                 (prefs_common.sep_folder | prefs_common.sep_msg << 1);
 290         folderview = mainwin->folderview;
 291
 292         /* register the callback of unix domain socket input */
 293         lock_socket_tag = gdk_input_add(lock_socket,
 294                                         GDK_INPUT_READ | GDK_INPUT_EXCEPTION,
 295                                         lock_socket_input_cb,
 296                                         mainwin);
 297
 298         account_read_config_all();
 299
 300         if (folder_read_list() < 0) {
 301                 setup(mainwin);
 302                 folder_write_list();
 303         }
 304         if (!account_get_list()) {
 305                 account_edit_open();
 306                 account_add();
 307         }
 308
 309         account_set_missing_folder();
 310         folder_set_missing_folders();
 311         folderview_set(folderview);
 312
 313         /* prefs_scoring_read_config(); */
 314         prefs_matcher_read_config();
 315
 316         /* make one all-folder processing before using sylpheed */
 317         folder_func_to_all_folders(initial_processing, (gpointer *)mainwin);
 318
 319         /* if Sylpheed crashed, rebuild caches */
 320         if (!cmd.crash && is_file_exist(get_crashfile_name())) {
 321                 debug_print("Sylpheed crashed, checking for new messages in local folders\n");
 322                 folderview_check_new(NULL);
 323         }
 324         /* make the crash-indicator file */
 325         str_write_to_file("foo", get_crashfile_name());
 326
 327         addressbook_read_file();
 328
 329         inc_autocheck_timer_init(mainwin);
 330
 331         /* ignore SIGPIPE signal for preventing sudden death of program */
 332         signal(SIGPIPE, SIG_IGN);
 333
 334         if (cmd.receive_all || prefs_common.chk_on_startup)
 335                 inc_all_account_mail(mainwin, prefs_common.newmail_notify_manu);
 336         else if (cmd.receive)
 337                 inc_mail(mainwin, prefs_common.newmail_notify_manu);
 338         else
 339                 gtk_widget_grab_focus(folderview->ctree);
 340
 341         if (cmd.compose)
 342                 open_compose_new(cmd.compose_mailto, cmd.attach_files);
 343         if (cmd.attach_files) {
 344                 ptr_array_free_strings(cmd.attach_files);
 345                 g_ptr_array_free(cmd.attach_files, TRUE);
 346                 cmd.attach_files = NULL;
 347         }
 348         if (cmd.send)
 349                 send_queue();
 350         if (cmd.status_folders) {
 351                 g_ptr_array_free(cmd.status_folders, TRUE);
 352                 cmd.status_folders = NULL;
 353         }
 354         if (cmd.status_full_folders) {
 355                 g_ptr_array_free(cmd.status_full_folders, TRUE);
 356                 cmd.status_full_folders = NULL;
 357         }
 358
 359         if (cmd.online_mode == ONLINE_MODE_OFFLINE)
 360                 main_window_toggle_work_offline(mainwin, TRUE);
 361         if (cmd.online_mode == ONLINE_MODE_ONLINE)
 362                 main_window_toggle_work_offline(mainwin, FALSE);
 363
 364         prefs_toolbar_init();
 365
 366         plugin_load_all("GTK");
 367
 368         static_mainwindow = mainwin;
 369         gtk_main();
 370
 371         plugin_unload_all("GTK");
 372
 373         prefs_toolbar_done();
 374
 375         addressbook_destroy();
 376
 377 #ifdef USE_ASPELL
 378         gtkaspell_checkers_quit();
 379 #endif
 380         sylpheed_done();
 381
 382         return 0;
 383 }
 384
 385 static void parse_cmd_opt(int argc, char *argv[])
 386 {
 387         gint i;
 388
 389         for (i = 1; i < argc; i++) {
 390                 if (!strncmp(argv[i], "--receive-all", 13))
 391                         cmd.receive_all = TRUE;
 392                 else if (!strncmp(argv[i], "--receive", 9))
 393                         cmd.receive = TRUE;
 394                 else if (!strncmp(argv[i], "--compose", 9)) {
 395                         const gchar *p = argv[i + 1];
 396
 397                         cmd.compose = TRUE;
 398                         cmd.compose_mailto = NULL;
 399                         if (p && *p != '\0' && *p != '-') {
 400                                 if (!strncmp(p, "mailto:", 7))
 401                                         cmd.compose_mailto = p + 7;
 402                                 else
 403                                         cmd.compose_mailto = p;
 404                                 i++;
 405                         }
 406                 } else if (!strncmp(argv[i], "--attach", 8)) {
 407                         const gchar *p = argv[i + 1];
 408                         gchar *file;
 409
 410                         while (p && *p != '\0' && *p != '-') {
 411                                 if (!cmd.attach_files)
 412                                         cmd.attach_files = g_ptr_array_new();
 413                                 if (*p != G_DIR_SEPARATOR)
 414                                         file = g_strconcat(sylpheed_get_startup_dir(),
 415                                                            G_DIR_SEPARATOR_S,
 416                                                            p, NULL);
 417                                 else
 418                                         file = g_strdup(p);
 419                                 g_ptr_array_add(cmd.attach_files, file);
 420                                 i++;
 421                                 p = argv[i + 1];
 422                         }
 423                 } else if (!strncmp(argv[i], "--send", 6)) {
 424                         cmd.send = TRUE;
 425                 } else if (!strncmp(argv[i], "--version", 9)) {
 426                         puts("Sylpheed version " VERSION);
 427                         exit(0);
 428                 } else if (!strncmp(argv[i], "--status-full", 13)) {
 429                         const gchar *p = argv[i + 1];
 430
 431                         cmd.status_full = TRUE;
 432                         while (p && *p != '\0' && *p != '-') {
 433                                 if (!cmd.status_full_folders)
 434                                         cmd.status_full_folders =
 435                                                 g_ptr_array_new();
 436                                 g_ptr_array_add(cmd.status_full_folders,
 437                                                 g_strdup(p));
 438                                 i++;
 439                                 p = argv[i + 1];
 440                         }
 441                 } else if (!strncmp(argv[i], "--status", 8)) {
 442                         const gchar *p = argv[i + 1];
 443
 444                         cmd.status = TRUE;
 445                         while (p && *p != '\0' && *p != '-') {
 446                                 if (!cmd.status_folders)
 447                                         cmd.status_folders = g_ptr_array_new();
 448                                 g_ptr_array_add(cmd.status_folders,
 449                                                 g_strdup(p));
 450                                 i++;
 451                                 p = argv[i + 1];
 452                         }
 453                 } else if (!strncmp(argv[i], "--online", 8)) {
 454                         cmd.online_mode = ONLINE_MODE_ONLINE;
 455                 } else if (!strncmp(argv[i], "--offline", 9)) {
 456                         cmd.online_mode = ONLINE_MODE_OFFLINE;
 457                 } else if (!strncmp(argv[i], "--help", 6)) {
 458                         g_print(_("Usage: %s [OPTION]...\n"),
 459                                 g_basename(argv[0]));
 460
 461                         puts(_("  --compose [address]    open composition window"));
 462                         puts(_("  --attach file1 [file2]...\n"
 463                                "                         open composition window with specified files\n"
 464                                "                         attached"));
 465                         puts(_("  --receive              receive new messages"));
 466                         puts(_("  --receive-all          receive new messages of all accounts"));
 467                         puts(_("  --send                 send all queued messages"));
 468                         puts(_("  --status [folder]...   show the total number of messages"));
 469                         puts(_("  --status-full [folder]...\n"
 470                                "                         show the status of each folder"));
 471                         puts(_("  --online               switch to online mode"));
 472                         puts(_("  --offline              switch to offline mode"));
 473                         puts(_("  --debug                debug mode"));
 474                         puts(_("  --help                 display this help and exit"));
 475                         puts(_("  --version              output version information and exit"));
 476                         puts(_("  --config-dir           output configuration directory"));
 477
 478                         exit(1);
 479                 } else if (!strncmp(argv[i], "--crash", 7)) {
 480                         cmd.crash = TRUE;
 481                         cmd.crash_params = g_strdup(argv[i + 1]);
 482                         i++;
 483                 } else if (!strncmp(argv[i], "--config-dir", sizeof "--config-dir" - 1)) {
 484                         puts(RC_DIR);
 485                         exit(0);
 486                 }
 487
 488         }
 489
 490         if (cmd.attach_files && cmd.compose == FALSE) {
 491                 cmd.compose = TRUE;
 492                 cmd.compose_mailto = NULL;
 493         }
 494 }
 495
 496 static gint get_queued_message_num(void)
 497 {
 498         FolderItem *queue;
 499
 500         queue = folder_get_default_queue();
 501         if (!queue) return -1;
 502
 503         folder_item_scan(queue);
 504         return queue->total_msgs;
 505 }
 506
 507 static void save_all_caches(FolderItem *item, gpointer data)
 508 {
 509         if (!item->cache)
 510                 return;
 511         folder_item_write_cache(item);
 512 }
 513
 514 static void initial_processing(FolderItem *item, gpointer data)
 515 {
 516         MainWindow *mainwin = (MainWindow *)data;
 517         gchar *buf;
 518
 519         g_return_if_fail(item);
 520         buf = g_strdup_printf(_("Processing (%s)..."),
 521                               item->path
 522                               ? item->path
 523                               : _("top level folder"));
 524         debug_print("%s\n", buf);
 525         g_free(buf);
 526
 527         main_window_cursor_wait(mainwin);
 528
 529         folder_item_apply_processing(item);
 530
 531         debug_print("done.\n");
 532         STATUSBAR_POP(mainwin);
 533         main_window_cursor_normal(mainwin);
 534 }
 535
 536 static void draft_all_messages(void)
 537 {
 538         GList *compose_list = compose_get_compose_list();
 539         GList *elem = NULL;
 540
 541         if (compose_list) {
 542                 for (elem = compose_list; elem != NULL && elem->data != NULL;
 543                      elem = elem->next) {
 544                         Compose *c = (Compose*)elem->data;
 545                         compose_draft(c);
 546                 }
 547         }
 548 }
 549
 550 void clean_quit(void)
 551 {
 552         /*!< Good idea to have the main window stored in a
 553          *   static variable so we can check that variable
 554          *   to see if we're really allowed to do things
 555          *   that actually the spawner is supposed to
 556          *   do (like: sending mail, composing messages).
 557          *   Because, really, if we're the spawnee, and
 558          *   we touch GTK stuff, we're hosed. See the
 559          *   next fixme. */
 560
 561         /* FIXME: Use something else to signal that we're
 562          * in the original spawner, and not in a spawned
 563          * child. */
 564         if (!static_mainwindow)
 565                 return;
 566
 567         draft_all_messages();
 568
 569         if (prefs_common.warn_queued_on_exit) {
 570                 /* disable the popup */
 571                 prefs_common.warn_queued_on_exit = FALSE;
 572                 app_will_exit(NULL, static_mainwindow);
 573                 prefs_common.warn_queued_on_exit = TRUE;
 574                 prefs_common_save_config();
 575         } else {
 576                 app_will_exit(NULL, static_mainwindow);
 577         }
 578         exit(0);
 579 }
 580
 581 void app_will_exit(GtkWidget *widget, gpointer data)
 582 {
 583         MainWindow *mainwin = data;
 584         gchar *filename;
 585         GList *list;
 586
 587         if (compose_get_compose_list()) {
 588                 gint val = alertpanel(_("Notice"),
 589                                _("Composing message exists."),
 590                                _("Draft them"), _("Discard them"), _("Don't quit"));
 591                 switch (val) {
 592                         case G_ALERTOTHER:
 593                                 return;
 594                         case G_ALERTALTERNATE:
 595                                 break;
 596                         default:
 597                                 draft_all_messages();
 598                 }
 599
 600                 manage_window_focus_in(mainwin->window, NULL, NULL);
 601         }
 602
 603         if (prefs_common.warn_queued_on_exit && get_queued_message_num() > 0) {
 604                 if (alertpanel(_("Queued messages"),
 605                                _("Some unsent messages are queued. Exit now?"),
 606                                _("OK"), _("Cancel"), NULL) != G_ALERTDEFAULT)
 607                         return;
 608                 manage_window_focus_in(mainwin->window, NULL, NULL);
 609         }
 610
 611         inc_autocheck_timer_remove();
 612
 613 #if USE_GPGME
 614         gpgmegtk_free_passphrase();
 615 #endif
 616
 617         if (prefs_common.clean_on_exit)
 618                 main_window_empty_trash(mainwin, prefs_common.ask_on_clean);
 619
 620         /* save prefs for opened folder */
 621         if(mainwin->folderview->opened)
 622         {
 623                 FolderItem *item;
 624
 625                 item = gtk_ctree_node_get_row_data(GTK_CTREE(mainwin->folderview->ctree), mainwin->folderview->opened);
 626                 summary_save_prefs_to_folderitem(mainwin->folderview->summaryview, item);
 627         }
 628
 629         /* save all state before exiting */
 630         folder_write_list();
 631         folder_func_to_all_folders(save_all_caches, NULL);
 632         for (list = folder_get_list(); list != NULL; list = g_list_next(list)) {
 633                 Folder *folder = FOLDER(list->data);
 634
 635                 folder_tree_destroy(folder);
 636         }
 637
 638         main_window_get_size(mainwin);
 639         main_window_get_position(mainwin);
 640         prefs_common_save_config();
 641         account_save_config_all();
 642         addressbook_export_to_file();
 643
 644         filename = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S, MENU_RC, NULL);
 645         gtk_item_factory_dump_rc(filename, NULL, TRUE);
 646         g_free(filename);
 647
 648         /* delete temporary files */
 649         remove_all_files(get_mime_tmp_dir());
 650
 651         close_log_file();
 652
 653         /* delete crashfile */
 654         if (!cmd.crash)
 655                 unlink(get_crashfile_name());
 656
 657         lock_socket_remove();
 658
 659         gtk_main_quit();
 660 }
 661
 662 #if USE_GPGME
 663 static void idle_function_for_gpgme(void)
 664 {
 665         while (gtk_events_pending())
 666                 gtk_main_iteration();
 667 }
 668 #endif /* USE_GPGME */
 669
 670 /*
 671  * CLAWS: want this public so crash dialog can delete the
 672  * lock file too
 673  */
 674 #ifndef CLAWS
 675 static
 676 #endif
 677 gchar *get_socket_name(void)
 678 {
 679         static gchar *filename = NULL;
 680
 681         if (filename == NULL) {
 682                 filename = g_strdup_printf("%s%csylpheed-%d",
 683                                            g_get_tmp_dir(), G_DIR_SEPARATOR,
 684                                            getuid());
 685         }
 686
 687         return filename;
 688 }
 689
 690 static gchar *get_crashfile_name(void)
 691 {
 692         static gchar *filename = NULL;
 693
 694         if (filename == NULL) {
 695                 filename = g_strdup_printf("%s%csylpheed-crashed",
 696                                            get_tmp_dir(), G_DIR_SEPARATOR);
 697         }
 698
 699         return filename;
 700 }
 701
 702 static gint prohibit_duplicate_launch(void)
 703 {
 704         gint uxsock;
 705         gchar *path;
 706
 707         path = get_socket_name();
 708         uxsock = fd_connect_unix(path);
 709         if (uxsock < 0) {
 710                 unlink(path);
 711                 return fd_open_unix(path);
 712         }
 713
 714         /* remote command mode */
 715
 716         debug_print("another Sylpheed is already running.\n");
 717
 718         if (cmd.receive_all)
 719                 fd_write_all(uxsock, "receive_all\n", 12);
 720         else if (cmd.receive)
 721                 fd_write_all(uxsock, "receive\n", 8);
 722         else if (cmd.compose && cmd.attach_files) {
 723                 gchar *str, *compose_str;
 724                 gint i;
 725
 726                 if (cmd.compose_mailto)
 727                         compose_str = g_strdup_printf("compose_attach %s\n",
 728                                                       cmd.compose_mailto);
 729                 else
 730                         compose_str = g_strdup("compose_attach\n");
 731
 732                 fd_write_all(uxsock, compose_str, strlen(compose_str));
 733                 g_free(compose_str);
 734
 735                 for (i = 0; i < cmd.attach_files->len; i++) {
 736                         str = g_ptr_array_index(cmd.attach_files, i);
 737                         fd_write_all(uxsock, str, strlen(str));
 738                         fd_write_all(uxsock, "\n", 1);
 739                 }
 740
 741                 fd_write_all(uxsock, ".\n", 2);
 742         } else if (cmd.compose) {
 743                 gchar *compose_str;
 744
 745                 if (cmd.compose_mailto)
 746                         compose_str = g_strdup_printf
 747                                 ("compose %s\n", cmd.compose_mailto);
 748                 else
 749                         compose_str = g_strdup("compose\n");
 750
 751                 fd_write_all(uxsock, compose_str, strlen(compose_str));
 752                 g_free(compose_str);
 753         } else if (cmd.send) {
 754                 fd_write_all(uxsock, "send\n", 5);
 755         } else if (cmd.online_mode == ONLINE_MODE_ONLINE) {
 756                 fd_write(uxsock, "online\n", 6);
 757         } else if (cmd.online_mode == ONLINE_MODE_OFFLINE) {
 758                 fd_write(uxsock, "offline\n", 7);
 759         } else if (cmd.status || cmd.status_full) {
 760                 gchar buf[BUFFSIZE];
 761                 gint i;
 762                 const gchar *command;
 763                 GPtrArray *folders;
 764                 gchar *folder;
 765
 766                 command = cmd.status_full ? "status-full\n" : "status\n";
 767                 folders = cmd.status_full ? cmd.status_full_folders :
 768                         cmd.status_folders;
 769
 770                 fd_write_all(uxsock, command, strlen(command));
 771                 for (i = 0; folders && i < folders->len; ++i) {
 772                         folder = g_ptr_array_index(folders, i);
 773                         fd_write_all(uxsock, folder, strlen(folder));
 774                         fd_write_all(uxsock, "\n", 1);
 775                 }
 776                 fd_write_all(uxsock, ".\n", 2);
 777                 for (;;) {
 778                         fd_gets(uxsock, buf, sizeof(buf));
 779                         if (!strncmp(buf, ".\n", 2)) break;
 780                         fputs(buf, stdout);
 781                 }
 782         } else
 783                 fd_write_all(uxsock, "popup\n", 6);
 784
 785         fd_close(uxsock);
 786         return -1;
 787 }
 788
 789 static gint lock_socket_remove(void)
 790 {
 791         gchar *filename;
 792
 793         if (lock_socket < 0) return -1;
 794
 795         if (lock_socket_tag > 0)
 796                 gdk_input_remove(lock_socket_tag);
 797         fd_close(lock_socket);
 798         filename = get_socket_name();
 799         unlink(filename);
 800
 801         return 0;
 802 }
 803
 804 static GPtrArray *get_folder_item_list(gint sock)
 805 {
 806         gchar buf[BUFFSIZE];
 807         FolderItem *item;
 808         GPtrArray *folders = NULL;
 809
 810         for (;;) {
 811                 fd_gets(sock, buf, sizeof(buf));
 812                 if (!strncmp(buf, ".\n", 2)) break;
 813                 strretchomp(buf);
 814                 if (!folders) folders = g_ptr_array_new();
 815                 item = folder_find_item_from_identifier(buf);
 816                 if (item)
 817                         g_ptr_array_add(folders, item);
 818                 else
 819                         g_warning("no such folder: %s\n", buf);
 820         }
 821
 822         return folders;
 823 }
 824
 825 static void lock_socket_input_cb(gpointer data,
 826                                  gint source,
 827                                  GdkInputCondition condition)
 828 {
 829         MainWindow *mainwin = (MainWindow *)data;
 830         gint sock;
 831         gchar buf[BUFFSIZE];
 832
 833         sock = fd_accept(source);
 834         fd_gets(sock, buf, sizeof(buf));
 835
 836         if (!strncmp(buf, "popup", 5)) {
 837                 main_window_popup(mainwin);
 838         } else if (!strncmp(buf, "receive_all", 11)) {
 839                 inc_all_account_mail(mainwin, prefs_common.newmail_notify_manu);
 840         } else if (!strncmp(buf, "receive", 7)) {
 841                 inc_mail(mainwin, prefs_common.newmail_notify_manu);
 842         } else if (!strncmp(buf, "compose_attach", 14)) {
 843                 GPtrArray *files;
 844                 gchar *mailto;
 845
 846                 mailto = g_strdup(buf + strlen("compose_attach") + 1);
 847                 files = g_ptr_array_new();
 848                 while (fd_gets(sock, buf, sizeof(buf)) > 0) {
 849                         if (buf[0] == '.' && buf[1] == '\n') break;
 850                         strretchomp(buf);
 851                         g_ptr_array_add(files, g_strdup(buf));
 852                 }
 853                 open_compose_new(mailto, files);
 854                 ptr_array_free_strings(files);
 855                 g_ptr_array_free(files, TRUE);
 856                 g_free(mailto);
 857         } else if (!strncmp(buf, "compose", 7)) {
 858                 open_compose_new(buf + strlen("compose") + 1, NULL);
 859         } else if (!strncmp(buf, "send", 4)) {
 860                 send_queue();
 861         } else if (!strncmp(buf, "online", 6)) {
 862                 main_window_toggle_work_offline(mainwin, FALSE);
 863         } else if (!strncmp(buf, "offline", 7)) {
 864                 main_window_toggle_work_offline(mainwin, TRUE);
 865         } else if (!strncmp(buf, "status-full", 11) ||
 866                    !strncmp(buf, "status", 6)) {
 867                 gchar *status;
 868                 GPtrArray *folders;
 869
 870                 folders = get_folder_item_list(sock);
 871                 status = folder_get_status
 872                         (folders, !strncmp(buf, "status-full", 11));
 873                 fd_write_all(sock, status, strlen(status));
 874                 fd_write_all(sock, ".\n", 2);
 875                 g_free(status);
 876                 if (folders) g_ptr_array_free(folders, TRUE);
 877         }
 878
 879         fd_close(sock);
 880 }
 881
 882 static void open_compose_new(const gchar *address, GPtrArray *attach_files)
 883 {
 884         gchar *addr = NULL;
 885
 886         if (address) {
 887                 Xstrdup_a(addr, address, return);
 888                 g_strstrip(addr);
 889         }
 890
 891         compose_new(NULL, addr, attach_files);
 892 }
 893
 894 static void send_queue(void)
 895 {
 896         GList *list;
 897         FolderItem *def_outbox;
 898
 899         def_outbox = folder_get_default_outbox();
 900
 901         for (list = folder_get_list(); list != NULL; list = list->next) {
 902                 Folder *folder = list->data;
 903
 904                 if (folder->queue) {
 905                         gint res = procmsg_send_queue
 906                                 (folder->queue, prefs_common.savemsg);
 907
 908                         if (res < 0)
 909                                 alertpanel_error(_("Some errors occurred while sending queued messages."));
 910                         if (res)
 911                                 folder_item_scan(folder->queue);
 912                         if (prefs_common.savemsg && folder->outbox) {
 913                                 if (folder->outbox == def_outbox)
 914                                         def_outbox = NULL;
 915                         }
 916                 }
 917         }
 918 }
 919
 920 static void quit_signal_handler(int sig)
 921 {
 922         debug_print("Quitting on signal %d\n", sig);
 923         clean_quit();
 924 }
 925
 926 static void install_basic_sighandlers()
 927 {
 928         sigset_t    mask;
 929         struct sigaction act;
 930
 931         sigemptyset(&mask);
 932
 933 #ifdef SIGTERM
 934         sigaddset(&mask, SIGTERM);
 935 #endif
 936 #ifdef SIGINT
 937         sigaddset(&mask, SIGINT);
 938 #endif
 939
 940         act.sa_handler = quit_signal_handler;
 941         act.sa_mask    = mask;
 942         act.sa_flags   = 0;
 943
 944 #ifdef SIGTERM
 945         sigaction(SIGTERM, &act, 0);
 946 #endif
 947 #ifdef SIGINT
 948         sigaction(SIGINT, &act, 0);
 949 #endif
 950
 951         sigprocmask(SIG_UNBLOCK, &mask, 0);
 952 }