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 "prefs_fonts.h"
  55 #include "prefs_spelling.h"
  56 #include "scoring.h"
  57 #include "prefs_display_header.h"
  58 #include "account.h"
  59 #include "procmsg.h"
  60 #include "inc.h"
  61 #include "import.h"
  62 #include "manage_window.h"
  63 #include "alertpanel.h"
  64 #include "statusbar.h"
  65 #include "addressbook.h"
  66 #include "compose.h"
  67 #include "folder.h"
  68 #include "setup.h"
  69 #include "utils.h"
  70 #include "gtkutils.h"
  71 #include "socket.h"
  72 #include "log.h"
  73 #include "prefs_toolbar.h"
  74 #include "plugin.h"
  75
  76 #if USE_GPGME
  77 #  include "rfc2015.h"
  78 #endif
  79 #if USE_OPENSSL
  80 #  include "ssl.h"
  81 #endif
  82
  83 #include "version.h"
  84
  85 #include "crash.h"
  86
  87 gchar *prog_version;
  88 #ifdef CRASH_DIALOG
  89 gchar *argv0;
  90 #endif
  91
  92 static gint lock_socket = -1;
  93 static gint lock_socket_tag = 0;
  94
  95 typedef enum
  96 {
  97         ONLINE_MODE_DONT_CHANGE,
  98         ONLINE_MODE_ONLINE,
  99         ONLINE_MODE_OFFLINE
 100 } OnlineMode;
 101
 102 static struct RemoteCmd {
 103         gboolean receive;
 104         gboolean receive_all;
 105         gboolean compose;
 106         const gchar *compose_mailto;
 107         GPtrArray *attach_files;
 108         gboolean status;
 109         gboolean status_full;
 110         GPtrArray *status_folders;
 111         GPtrArray *status_full_folders;
 112         gboolean send;
 113         gboolean crash;
 114         int online_mode;
 115         gchar   *crash_params;
 116 } cmd;
 117
 118 static void parse_cmd_opt(int argc, char *argv[]);
 119
 120 #if USE_GPGME
 121 static void idle_function_for_gpgme(void);
 122 #endif /* USE_GPGME */
 123
 124 static gint prohibit_duplicate_launch   (void);
 125 static gchar * get_crashfile_name       (void);
 126 static gint lock_socket_remove          (void);
 127 static void lock_socket_input_cb        (gpointer          data,
 128                                          gint              source,
 129                                          GdkInputCondition condition);
 130 #ifndef CLAWS
 131 static
 132 #endif
 133 gchar *get_socket_name          (void);
 134
 135
 136 static void open_compose_new            (const gchar    *address,
 137                                          GPtrArray      *attach_files);
 138
 139 static void send_queue                  (void);
 140 static void initial_processing          (FolderItem *item, gpointer data);
 141 static void quit_signal_handler         (int sig);
 142 static void install_basic_sighandlers   (void);
 143
 144 #if 0
 145 /* for gettext */
 146 _("File `%s' already exists.\n"
 147   "Can't create folder.")
 148 #endif
 149
 150 #define MAKE_DIR_IF_NOT_EXIST(dir) \
 151 { \
 152         if (!is_dir_exist(dir)) { \
 153                 if (is_file_exist(dir)) { \
 154                         alertpanel_warning \
 155                                 (_("File `%s' already exists.\n" \
 156                                    "Can't create folder."), \
 157                                  dir); \
 158                         return 1; \
 159                 } \
 160                 if (make_dir(dir) < 0) \
 161                         return 1; \
 162         } \
 163 }
 164
 165 static MainWindow *static_mainwindow;
 166
 167 int main(int argc, char *argv[])
 168 {
 169         gchar *userrc;
 170         MainWindow *mainwin;
 171         FolderView *folderview;
 172
 173         if (!sylpheed_init(&argc, &argv)) {
 174                 return 0;
 175         }
 176
 177         prog_version = PROG_VERSION;
 178 #ifdef CRASH_DIALOG
 179         argv0 = g_strdup(argv[0]);
 180 #endif
 181
 182         parse_cmd_opt(argc, argv);
 183
 184 #ifdef CRASH_DIALOG
 185         if (cmd.crash) {
 186                 gtk_set_locale();
 187                 gtk_init(&argc, &argv);
 188                 crash_main(cmd.crash_params);
 189                 return 0;
 190         }
 191         crash_install_handlers();
 192 #endif
 193         install_basic_sighandlers();
 194
 195         /* check and create unix domain socket */
 196         lock_socket = prohibit_duplicate_launch();
 197         if (lock_socket < 0) return 0;
 198
 199         if (cmd.status || cmd.status_full) {
 200                 puts("0 Sylpheed not running.");
 201                 lock_socket_remove();
 202                 return 0;
 203         }
 204
 205         gtk_set_locale();
 206         gtk_init(&argc, &argv);
 207
 208         gdk_rgb_init();
 209         gtk_widget_set_default_colormap(gdk_rgb_get_cmap());
 210         gtk_widget_set_default_visual(gdk_rgb_get_visual());
 211
 212 #if USE_THREADS || USE_LDAP
 213         g_thread_init(NULL);
 214         if (!g_thread_supported())
 215                 g_error(_("g_thread is not supported by glib.\n"));
 216 #endif
 217
 218         /* parse gtkrc files */
 219         userrc = g_strconcat(get_home_dir(), G_DIR_SEPARATOR_S, ".gtkrc",
 220                              NULL);
 221         gtk_rc_parse(userrc);
 222         g_free(userrc);
 223         userrc = g_strconcat(get_home_dir(), G_DIR_SEPARATOR_S, ".gtk",
 224                              G_DIR_SEPARATOR_S, "gtkrc", NULL);
 225         gtk_rc_parse(userrc);
 226         g_free(userrc);
 227         userrc = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S, "gtkrc", NULL);
 228         gtk_rc_parse(userrc);
 229         g_free(userrc);
 230
 231         gtk_rc_parse("./gtkrc");
 232
 233         userrc = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S, MENU_RC, NULL);
 234         gtk_item_factory_parse_rc(userrc);
 235         g_free(userrc);
 236
 237         CHDIR_RETURN_VAL_IF_FAIL(get_home_dir(), 1);
 238
 239         MAKE_DIR_IF_NOT_EXIST(RC_DIR);
 240         MAKE_DIR_IF_NOT_EXIST(get_imap_cache_dir());
 241         MAKE_DIR_IF_NOT_EXIST(get_news_cache_dir());
 242         MAKE_DIR_IF_NOT_EXIST(get_mime_tmp_dir());
 243         MAKE_DIR_IF_NOT_EXIST(get_tmp_dir());
 244         MAKE_DIR_IF_NOT_EXIST(RC_DIR G_DIR_SEPARATOR_S "uidl");
 245
 246         set_log_file(RC_DIR G_DIR_SEPARATOR_S "sylpheed.log");
 247
 248         folder_system_init();
 249         prefs_common_init();
 250         prefs_common_read_config();
 251
 252 #if USE_GPGME
 253         gpg_started = FALSE;
 254         if (gpgme_engine_check_version(GPGME_PROTOCOL_OpenPGP) !=
 255                         GPGME_No_Error) {  /* Also does some gpgme init */
 256                 rfc2015_disable_all();
 257                 debug_print("gpgme_engine_version:\n%s\n",
 258                             gpgme_get_engine_info());
 259
 260                 if (prefs_common.gpg_warning) {
 261                         AlertValue val;
 262
 263                         val = alertpanel_message_with_disable
 264                                 (_("Warning"),
 265                                  _("GnuPG is not installed properly, or needs to be upgraded.\n"
 266                                    "OpenPGP support disabled."));
 267                         if (val & G_ALERTDISABLE)
 268                                 prefs_common.gpg_warning = FALSE;
 269                 }
 270         } else
 271                 gpg_started = TRUE;
 272
 273         gpgme_register_idle(idle_function_for_gpgme);
 274 #endif
 275
 276         prefs_fonts_init();
 277 #ifdef USE_ASPELL
 278         gtkaspell_checkers_init();
 279         prefs_spelling_init();
 280 #endif
 281
 282         sock_set_io_timeout(prefs_common.io_timeout_secs);
 283
 284         prefs_actions_read_config();
 285         prefs_display_header_read_config();
 286         /* prefs_filtering_read_config(); */
 287         addressbook_read_file();
 288         renderer_read_config();
 289
 290         gtkut_widget_init();
 291
 292         mainwin = main_window_create
 293                 (prefs_common.sep_folder | prefs_common.sep_msg << 1);
 294         folderview = mainwin->folderview;
 295
 296         /* register the callback of unix domain socket input */
 297         lock_socket_tag = gdk_input_add(lock_socket,
 298                                         GDK_INPUT_READ | GDK_INPUT_EXCEPTION,
 299                                         lock_socket_input_cb,
 300                                         mainwin);
 301
 302         account_read_config_all();
 303
 304         if (folder_read_list() < 0) {
 305                 setup(mainwin);
 306                 folder_write_list();
 307         }
 308         if (!account_get_list()) {
 309                 account_edit_open();
 310                 account_add();
 311         }
 312
 313         account_set_missing_folder();
 314         folder_set_missing_folders();
 315         folderview_set(folderview);
 316
 317         /* prefs_scoring_read_config(); */
 318         prefs_matcher_read_config();
 319
 320         /* make one all-folder processing before using sylpheed */
 321         folder_func_to_all_folders(initial_processing, (gpointer *)mainwin);
 322
 323         /* if Sylpheed crashed, rebuild caches */
 324         if (!cmd.crash && is_file_exist(get_crashfile_name())) {
 325                 debug_print("Sylpheed crashed, checking for new messages in local folders\n");
 326                 folderview_check_new(NULL);
 327         }
 328         /* make the crash-indicator file */
 329         str_write_to_file("foo", get_crashfile_name());
 330
 331         addressbook_read_file();
 332
 333         inc_autocheck_timer_init(mainwin);
 334
 335         /* ignore SIGPIPE signal for preventing sudden death of program */
 336         signal(SIGPIPE, SIG_IGN);
 337
 338         if (cmd.receive_all)
 339                 inc_all_account_mail(mainwin, FALSE,
 340                                      prefs_common.newmail_notify_manu);
 341         else if (prefs_common.chk_on_startup)
 342                 inc_all_account_mail(mainwin, TRUE,
 343                                      prefs_common.newmail_notify_manu);
 344         else if (cmd.receive)
 345                 inc_mail(mainwin, prefs_common.newmail_notify_manu);
 346         else
 347                 gtk_widget_grab_focus(folderview->ctree);
 348
 349         if (cmd.compose)
 350                 open_compose_new(cmd.compose_mailto, cmd.attach_files);
 351         if (cmd.attach_files) {
 352                 ptr_array_free_strings(cmd.attach_files);
 353                 g_ptr_array_free(cmd.attach_files, TRUE);
 354                 cmd.attach_files = NULL;
 355         }
 356         if (cmd.send)
 357                 send_queue();
 358         if (cmd.status_folders) {
 359                 g_ptr_array_free(cmd.status_folders, TRUE);
 360                 cmd.status_folders = NULL;
 361         }
 362         if (cmd.status_full_folders) {
 363                 g_ptr_array_free(cmd.status_full_folders, TRUE);
 364                 cmd.status_full_folders = NULL;
 365         }
 366
 367         if (cmd.online_mode == ONLINE_MODE_OFFLINE)
 368                 main_window_toggle_work_offline(mainwin, TRUE);
 369         if (cmd.online_mode == ONLINE_MODE_ONLINE)
 370                 main_window_toggle_work_offline(mainwin, FALSE);
 371
 372         prefs_toolbar_init();
 373
 374         plugin_load_all("GTK");
 375
 376         static_mainwindow = mainwin;
 377         gtk_main();
 378
 379         plugin_unload_all("GTK");
 380
 381         prefs_toolbar_done();
 382
 383         addressbook_destroy();
 384
 385         prefs_fonts_done();
 386 #ifdef USE_ASPELL
 387         prefs_spelling_done();
 388         gtkaspell_checkers_quit();
 389 #endif
 390         sylpheed_done();
 391
 392         return 0;
 393 }
 394
 395 static void parse_cmd_opt(int argc, char *argv[])
 396 {
 397         gint i;
 398
 399         for (i = 1; i < argc; i++) {
 400                 if (!strncmp(argv[i], "--receive-all", 13))
 401                         cmd.receive_all = TRUE;
 402                 else if (!strncmp(argv[i], "--receive", 9))
 403                         cmd.receive = TRUE;
 404                 else if (!strncmp(argv[i], "--compose", 9)) {
 405                         const gchar *p = argv[i + 1];
 406
 407                         cmd.compose = TRUE;
 408                         cmd.compose_mailto = NULL;
 409                         if (p && *p != '\0' && *p != '-') {
 410                                 if (!strncmp(p, "mailto:", 7))
 411                                         cmd.compose_mailto = p + 7;
 412                                 else
 413                                         cmd.compose_mailto = p;
 414                                 i++;
 415                         }
 416                 } else if (!strncmp(argv[i], "--attach", 8)) {
 417                         const gchar *p = argv[i + 1];
 418                         gchar *file;
 419
 420                         while (p && *p != '\0' && *p != '-') {
 421                                 if (!cmd.attach_files)
 422                                         cmd.attach_files = g_ptr_array_new();
 423                                 if (*p != G_DIR_SEPARATOR)
 424                                         file = g_strconcat(sylpheed_get_startup_dir(),
 425                                                            G_DIR_SEPARATOR_S,
 426                                                            p, NULL);
 427                                 else
 428                                         file = g_strdup(p);
 429                                 g_ptr_array_add(cmd.attach_files, file);
 430                                 i++;
 431                                 p = argv[i + 1];
 432                         }
 433                 } else if (!strncmp(argv[i], "--send", 6)) {
 434                         cmd.send = TRUE;
 435                 } else if (!strncmp(argv[i], "--version", 9)) {
 436                         puts("Sylpheed version " VERSION);
 437                         exit(0);
 438                 } else if (!strncmp(argv[i], "--status-full", 13)) {
 439                         const gchar *p = argv[i + 1];
 440
 441                         cmd.status_full = TRUE;
 442                         while (p && *p != '\0' && *p != '-') {
 443                                 if (!cmd.status_full_folders)
 444                                         cmd.status_full_folders =
 445                                                 g_ptr_array_new();
 446                                 g_ptr_array_add(cmd.status_full_folders,
 447                                                 g_strdup(p));
 448                                 i++;
 449                                 p = argv[i + 1];
 450                         }
 451                 } else if (!strncmp(argv[i], "--status", 8)) {
 452                         const gchar *p = argv[i + 1];
 453
 454                         cmd.status = TRUE;
 455                         while (p && *p != '\0' && *p != '-') {
 456                                 if (!cmd.status_folders)
 457                                         cmd.status_folders = g_ptr_array_new();
 458                                 g_ptr_array_add(cmd.status_folders,
 459                                                 g_strdup(p));
 460                                 i++;
 461                                 p = argv[i + 1];
 462                         }
 463                 } else if (!strncmp(argv[i], "--online", 8)) {
 464                         cmd.online_mode = ONLINE_MODE_ONLINE;
 465                 } else if (!strncmp(argv[i], "--offline", 9)) {
 466                         cmd.online_mode = ONLINE_MODE_OFFLINE;
 467                 } else if (!strncmp(argv[i], "--help", 6)) {
 468                         g_print(_("Usage: %s [OPTION]...\n"),
 469                                 g_basename(argv[0]));
 470
 471                         puts(_("  --compose [address]    open composition window"));
 472                         puts(_("  --attach file1 [file2]...\n"
 473                                "                         open composition window with specified files\n"
 474                                "                         attached"));
 475                         puts(_("  --receive              receive new messages"));
 476                         puts(_("  --receive-all          receive new messages of all accounts"));
 477                         puts(_("  --send                 send all queued messages"));
 478                         puts(_("  --status [folder]...   show the total number of messages"));
 479                         puts(_("  --status-full [folder]...\n"
 480                                "                         show the status of each folder"));
 481                         puts(_("  --online               switch to online mode"));
 482                         puts(_("  --offline              switch to offline mode"));
 483                         puts(_("  --debug                debug mode"));
 484                         puts(_("  --help                 display this help and exit"));
 485                         puts(_("  --version              output version information and exit"));
 486                         puts(_("  --config-dir           output configuration directory"));
 487
 488                         exit(1);
 489                 } else if (!strncmp(argv[i], "--crash", 7)) {
 490                         cmd.crash = TRUE;
 491                         cmd.crash_params = g_strdup(argv[i + 1]);
 492                         i++;
 493                 } else if (!strncmp(argv[i], "--config-dir", sizeof "--config-dir" - 1)) {
 494                         puts(RC_DIR);
 495                         exit(0);
 496                 }
 497
 498         }
 499
 500         if (cmd.attach_files && cmd.compose == FALSE) {
 501                 cmd.compose = TRUE;
 502                 cmd.compose_mailto = NULL;
 503         }
 504 }
 505
 506 static gint get_queued_message_num(void)
 507 {
 508         FolderItem *queue;
 509
 510         queue = folder_get_default_queue();
 511         if (!queue) return -1;
 512
 513         folder_item_scan(queue);
 514         return queue->total_msgs;
 515 }
 516
 517 static void save_all_caches(FolderItem *item, gpointer data)
 518 {
 519         if (!item->cache)
 520                 return;
 521         folder_item_write_cache(item);
 522 }
 523
 524 static void initial_processing(FolderItem *item, gpointer data)
 525 {
 526         MainWindow *mainwin = (MainWindow *)data;
 527         gchar *buf;
 528
 529         g_return_if_fail(item);
 530         buf = g_strdup_printf(_("Processing (%s)..."),
 531                               item->path
 532                               ? item->path
 533                               : _("top level folder"));
 534         debug_print("%s\n", buf);
 535         g_free(buf);
 536
 537         main_window_cursor_wait(mainwin);
 538
 539         folder_item_apply_processing(item);
 540
 541         debug_print("done.\n");
 542         STATUSBAR_POP(mainwin);
 543         main_window_cursor_normal(mainwin);
 544 }
 545
 546 static void draft_all_messages(void)
 547 {
 548         GList *compose_list = compose_get_compose_list();
 549         GList *elem = NULL;
 550
 551         if (compose_list) {
 552                 for (elem = compose_list; elem != NULL && elem->data != NULL;
 553                      elem = elem->next) {
 554                         Compose *c = (Compose*)elem->data;
 555                         compose_draft(c);
 556                 }
 557         }
 558 }
 559
 560 void clean_quit(void)
 561 {
 562         /*!< Good idea to have the main window stored in a
 563          *   static variable so we can check that variable
 564          *   to see if we're really allowed to do things
 565          *   that actually the spawner is supposed to
 566          *   do (like: sending mail, composing messages).
 567          *   Because, really, if we're the spawnee, and
 568          *   we touch GTK stuff, we're hosed. See the
 569          *   next fixme. */
 570
 571         /* FIXME: Use something else to signal that we're
 572          * in the original spawner, and not in a spawned
 573          * child. */
 574         if (!static_mainwindow)
 575                 return;
 576
 577         draft_all_messages();
 578
 579         if (prefs_common.warn_queued_on_exit) {
 580                 /* disable the popup */
 581                 prefs_common.warn_queued_on_exit = FALSE;
 582                 app_will_exit(NULL, static_mainwindow);
 583                 prefs_common.warn_queued_on_exit = TRUE;
 584                 prefs_common_save_config();
 585         } else {
 586                 app_will_exit(NULL, static_mainwindow);
 587         }
 588         exit(0);
 589 }
 590
 591 void app_will_exit(GtkWidget *widget, gpointer data)
 592 {
 593         MainWindow *mainwin = data;
 594         gchar *filename;
 595         GList *list;
 596
 597         if (compose_get_compose_list()) {
 598                 gint val = alertpanel(_("Notice"),
 599                                _("Composing message exists."),
 600                                _("Draft them"), _("Discard them"), _("Don't quit"));
 601                 switch (val) {
 602                         case G_ALERTOTHER:
 603                                 return;
 604                         case G_ALERTALTERNATE:
 605                                 break;
 606                         default:
 607                                 draft_all_messages();
 608                 }
 609
 610                 manage_window_focus_in(mainwin->window, NULL, NULL);
 611         }
 612
 613         if (prefs_common.warn_queued_on_exit && get_queued_message_num() > 0) {
 614                 if (alertpanel(_("Queued messages"),
 615                                _("Some unsent messages are queued. Exit now?"),
 616                                _("OK"), _("Cancel"), NULL) != G_ALERTDEFAULT)
 617                         return;
 618                 manage_window_focus_in(mainwin->window, NULL, NULL);
 619         }
 620
 621         inc_autocheck_timer_remove();
 622
 623 #if USE_GPGME
 624         gpgmegtk_free_passphrase();
 625 #endif
 626
 627         if (prefs_common.clean_on_exit)
 628                 main_window_empty_trash(mainwin, prefs_common.ask_on_clean);
 629
 630         /* save prefs for opened folder */
 631         if(mainwin->folderview->opened)
 632         {
 633                 FolderItem *item;
 634
 635                 item = gtk_ctree_node_get_row_data(GTK_CTREE(mainwin->folderview->ctree), mainwin->folderview->opened);
 636                 summary_save_prefs_to_folderitem(mainwin->folderview->summaryview, item);
 637         }
 638
 639         /* save all state before exiting */
 640         folder_write_list();
 641         folder_func_to_all_folders(save_all_caches, NULL);
 642         for (list = folder_get_list(); list != NULL; list = g_list_next(list)) {
 643                 Folder *folder = FOLDER(list->data);
 644
 645                 folder_tree_destroy(folder);
 646         }
 647
 648         main_window_get_size(mainwin);
 649         main_window_get_position(mainwin);
 650         prefs_common_save_config();
 651         account_save_config_all();
 652         addressbook_export_to_file();
 653
 654         filename = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S, MENU_RC, NULL);
 655         gtk_item_factory_dump_rc(filename, NULL, TRUE);
 656         g_free(filename);
 657
 658         /* delete temporary files */
 659         remove_all_files(get_mime_tmp_dir());
 660
 661         close_log_file();
 662
 663         /* delete crashfile */
 664         if (!cmd.crash)
 665                 unlink(get_crashfile_name());
 666
 667         lock_socket_remove();
 668
 669         gtk_main_quit();
 670 }
 671
 672 #if USE_GPGME
 673 static void idle_function_for_gpgme(void)
 674 {
 675         while (gtk_events_pending())
 676                 gtk_main_iteration();
 677 }
 678 #endif /* USE_GPGME */
 679
 680 /*
 681  * CLAWS: want this public so crash dialog can delete the
 682  * lock file too
 683  */
 684 #ifndef CLAWS
 685 static
 686 #endif
 687 gchar *get_socket_name(void)
 688 {
 689         static gchar *filename = NULL;
 690
 691         if (filename == NULL) {
 692                 filename = g_strdup_printf("%s%csylpheed-%d",
 693                                            g_get_tmp_dir(), G_DIR_SEPARATOR,
 694                                            getuid());
 695         }
 696
 697         return filename;
 698 }
 699
 700 static gchar *get_crashfile_name(void)
 701 {
 702         static gchar *filename = NULL;
 703
 704         if (filename == NULL) {
 705                 filename = g_strdup_printf("%s%csylpheed-crashed",
 706                                            get_tmp_dir(), G_DIR_SEPARATOR);
 707         }
 708
 709         return filename;
 710 }
 711
 712 static gint prohibit_duplicate_launch(void)
 713 {
 714         gint uxsock;
 715         gchar *path;
 716
 717         path = get_socket_name();
 718         uxsock = fd_connect_unix(path);
 719         if (uxsock < 0) {
 720                 unlink(path);
 721                 return fd_open_unix(path);
 722         }
 723
 724         /* remote command mode */
 725
 726         debug_print("another Sylpheed is already running.\n");
 727
 728         if (cmd.receive_all)
 729                 fd_write_all(uxsock, "receive_all\n", 12);
 730         else if (cmd.receive)
 731                 fd_write_all(uxsock, "receive\n", 8);
 732         else if (cmd.compose && cmd.attach_files) {
 733                 gchar *str, *compose_str;
 734                 gint i;
 735
 736                 if (cmd.compose_mailto)
 737                         compose_str = g_strdup_printf("compose_attach %s\n",
 738                                                       cmd.compose_mailto);
 739                 else
 740                         compose_str = g_strdup("compose_attach\n");
 741
 742                 fd_write_all(uxsock, compose_str, strlen(compose_str));
 743                 g_free(compose_str);
 744
 745                 for (i = 0; i < cmd.attach_files->len; i++) {
 746                         str = g_ptr_array_index(cmd.attach_files, i);
 747                         fd_write_all(uxsock, str, strlen(str));
 748                         fd_write_all(uxsock, "\n", 1);
 749                 }
 750
 751                 fd_write_all(uxsock, ".\n", 2);
 752         } else if (cmd.compose) {
 753                 gchar *compose_str;
 754
 755                 if (cmd.compose_mailto)
 756                         compose_str = g_strdup_printf
 757                                 ("compose %s\n", cmd.compose_mailto);
 758                 else
 759                         compose_str = g_strdup("compose\n");
 760
 761                 fd_write_all(uxsock, compose_str, strlen(compose_str));
 762                 g_free(compose_str);
 763         } else if (cmd.send) {
 764                 fd_write_all(uxsock, "send\n", 5);
 765         } else if (cmd.online_mode == ONLINE_MODE_ONLINE) {
 766                 fd_write(uxsock, "online\n", 6);
 767         } else if (cmd.online_mode == ONLINE_MODE_OFFLINE) {
 768                 fd_write(uxsock, "offline\n", 7);
 769         } else if (cmd.status || cmd.status_full) {
 770                 gchar buf[BUFFSIZE];
 771                 gint i;
 772                 const gchar *command;
 773                 GPtrArray *folders;
 774                 gchar *folder;
 775
 776                 command = cmd.status_full ? "status-full\n" : "status\n";
 777                 folders = cmd.status_full ? cmd.status_full_folders :
 778                         cmd.status_folders;
 779
 780                 fd_write_all(uxsock, command, strlen(command));
 781                 for (i = 0; folders && i < folders->len; ++i) {
 782                         folder = g_ptr_array_index(folders, i);
 783                         fd_write_all(uxsock, folder, strlen(folder));
 784                         fd_write_all(uxsock, "\n", 1);
 785                 }
 786                 fd_write_all(uxsock, ".\n", 2);
 787                 for (;;) {
 788                         fd_gets(uxsock, buf, sizeof(buf));
 789                         if (!strncmp(buf, ".\n", 2)) break;
 790                         fputs(buf, stdout);
 791                 }
 792         } else
 793                 fd_write_all(uxsock, "popup\n", 6);
 794
 795         fd_close(uxsock);
 796         return -1;
 797 }
 798
 799 static gint lock_socket_remove(void)
 800 {
 801         gchar *filename;
 802
 803         if (lock_socket < 0) return -1;
 804
 805         if (lock_socket_tag > 0)
 806                 gdk_input_remove(lock_socket_tag);
 807         fd_close(lock_socket);
 808         filename = get_socket_name();
 809         unlink(filename);
 810
 811         return 0;
 812 }
 813
 814 static GPtrArray *get_folder_item_list(gint sock)
 815 {
 816         gchar buf[BUFFSIZE];
 817         FolderItem *item;
 818         GPtrArray *folders = NULL;
 819
 820         for (;;) {
 821                 fd_gets(sock, buf, sizeof(buf));
 822                 if (!strncmp(buf, ".\n", 2)) break;
 823                 strretchomp(buf);
 824                 if (!folders) folders = g_ptr_array_new();
 825                 item = folder_find_item_from_identifier(buf);
 826                 if (item)
 827                         g_ptr_array_add(folders, item);
 828                 else
 829                         g_warning("no such folder: %s\n", buf);
 830         }
 831
 832         return folders;
 833 }
 834
 835 static void lock_socket_input_cb(gpointer data,
 836                                  gint source,
 837                                  GdkInputCondition condition)
 838 {
 839         MainWindow *mainwin = (MainWindow *)data;
 840         gint sock;
 841         gchar buf[BUFFSIZE];
 842
 843         sock = fd_accept(source);
 844         fd_gets(sock, buf, sizeof(buf));
 845
 846         if (!strncmp(buf, "popup", 5)) {
 847                 main_window_popup(mainwin);
 848         } else if (!strncmp(buf, "receive_all", 11)) {
 849                 inc_all_account_mail(mainwin, FALSE,
 850                                      prefs_common.newmail_notify_manu);
 851         } else if (!strncmp(buf, "receive", 7)) {
 852                 inc_mail(mainwin, prefs_common.newmail_notify_manu);
 853         } else if (!strncmp(buf, "compose_attach", 14)) {
 854                 GPtrArray *files;
 855                 gchar *mailto;
 856
 857                 mailto = g_strdup(buf + strlen("compose_attach") + 1);
 858                 files = g_ptr_array_new();
 859                 while (fd_gets(sock, buf, sizeof(buf)) > 0) {
 860                         if (buf[0] == '.' && buf[1] == '\n') break;
 861                         strretchomp(buf);
 862                         g_ptr_array_add(files, g_strdup(buf));
 863                 }
 864                 open_compose_new(mailto, files);
 865                 ptr_array_free_strings(files);
 866                 g_ptr_array_free(files, TRUE);
 867                 g_free(mailto);
 868         } else if (!strncmp(buf, "compose", 7)) {
 869                 open_compose_new(buf + strlen("compose") + 1, NULL);
 870         } else if (!strncmp(buf, "send", 4)) {
 871                 send_queue();
 872         } else if (!strncmp(buf, "online", 6)) {
 873                 main_window_toggle_work_offline(mainwin, FALSE);
 874         } else if (!strncmp(buf, "offline", 7)) {
 875                 main_window_toggle_work_offline(mainwin, TRUE);
 876         } else if (!strncmp(buf, "status-full", 11) ||
 877                    !strncmp(buf, "status", 6)) {
 878                 gchar *status;
 879                 GPtrArray *folders;
 880
 881                 folders = get_folder_item_list(sock);
 882                 status = folder_get_status
 883                         (folders, !strncmp(buf, "status-full", 11));
 884                 fd_write_all(sock, status, strlen(status));
 885                 fd_write_all(sock, ".\n", 2);
 886                 g_free(status);
 887                 if (folders) g_ptr_array_free(folders, TRUE);
 888         }
 889
 890         fd_close(sock);
 891 }
 892
 893 static void open_compose_new(const gchar *address, GPtrArray *attach_files)
 894 {
 895         gchar *addr = NULL;
 896
 897         if (address) {
 898                 Xstrdup_a(addr, address, return);
 899                 g_strstrip(addr);
 900         }
 901
 902         compose_new(NULL, addr, attach_files);
 903 }
 904
 905 static void send_queue(void)
 906 {
 907         GList *list;
 908         FolderItem *def_outbox;
 909
 910         def_outbox = folder_get_default_outbox();
 911
 912         for (list = folder_get_list(); list != NULL; list = list->next) {
 913                 Folder *folder = list->data;
 914
 915                 if (folder->queue) {
 916                         gint res = procmsg_send_queue
 917                                 (folder->queue, prefs_common.savemsg);
 918
 919                         if (res < 0)
 920                                 alertpanel_error(_("Some errors occurred while sending queued messages."));
 921                         if (res)
 922                                 folder_item_scan(folder->queue);
 923                         if (prefs_common.savemsg && folder->outbox) {
 924                                 if (folder->outbox == def_outbox)
 925                                         def_outbox = NULL;
 926                         }
 927                 }
 928         }
 929 }
 930
 931 static void quit_signal_handler(int sig)
 932 {
 933         debug_print("Quitting on signal %d\n", sig);
 934         clean_quit();
 935 }
 936
 937 static void install_basic_sighandlers()
 938 {
 939         sigset_t    mask;
 940         struct sigaction act;
 941
 942         sigemptyset(&mask);
 943
 944 #ifdef SIGTERM
 945         sigaddset(&mask, SIGTERM);
 946 #endif
 947 #ifdef SIGINT
 948         sigaddset(&mask, SIGINT);
 949 #endif
 950
 951         act.sa_handler = quit_signal_handler;
 952         act.sa_mask    = mask;
 953         act.sa_flags   = 0;
 954
 955 #ifdef SIGTERM
 956         sigaction(SIGTERM, &act, 0);
 957 #endif
 958 #ifdef SIGINT
 959         sigaction(SIGINT, &act, 0);
 960 #endif
 961
 962         sigprocmask(SIG_UNBLOCK, &mask, 0);
 963 }