src/main.c

   1 /*
   2  * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
   3  * Copyright (C) 1999-2006 Hiroyuki Yamamoto and the Sylpheed-Claws team
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; either version 2 of the License, or
   8  * (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License
  16  * along with this program; if not, write to the Free Software
  17  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  18  */
  19
  20 #ifdef HAVE_CONFIG_H
  21 #  include "config.h"
  22 #endif
  23
  24 #include "defs.h"
  25
  26 #include <glib.h>
  27 #include <glib/gi18n.h>
  28 #include <gtk/gtkmain.h>
  29 #include <gtk/gtkrc.h>
  30
  31 #include <stdio.h>
  32 #include <stdlib.h>
  33 #include <string.h>
  34 #include <ctype.h>
  35 #include <unistd.h>
  36 #include <time.h>
  37 #include <sys/stat.h>
  38 #include <sys/types.h>
  39 #ifdef G_OS_UNIX
  40 #  include <signal.h>
  41 #endif
  42 #include "wizard.h"
  43 #ifdef HAVE_STARTUP_NOTIFICATION
  44 # define SN_API_NOT_YET_FROZEN
  45 # include <libsn/sn-launchee.h>
  46 # include <gdk/gdkx.h>
  47 #endif
  48
  49 #include "sylpheed.h"
  50 #include "main.h"
  51 #include "mainwindow.h"
  52 #include "folderview.h"
  53 #include "image_viewer.h"
  54 #include "summaryview.h"
  55 #include "prefs_common.h"
  56 #include "prefs_account.h"
  57 #include "prefs_actions.h"
  58 #include "prefs_ext_prog.h"
  59 #include "prefs_fonts.h"
  60 #include "prefs_image_viewer.h"
  61 #include "prefs_message.h"
  62 #include "prefs_receive.h"
  63 #include "prefs_msg_colors.h"
  64 #include "prefs_quote.h"
  65 #include "prefs_spelling.h"
  66 #include "prefs_summaries.h"
  67 #include "prefs_themes.h"
  68 #include "prefs_other.h"
  69 #include "prefs_send.h"
  70 #include "prefs_wrapping.h"
  71 #include "prefs_compose_writing.h"
  72 #include "prefs_display_header.h"
  73 #include "account.h"
  74 #include "procmsg.h"
  75 #include "inc.h"
  76 #include "import.h"
  77 #include "manage_window.h"
  78 #include "alertpanel.h"
  79 #include "statusbar.h"
  80 #include "addressbook.h"
  81 #include "compose.h"
  82 #include "folder.h"
  83 #include "setup.h"
  84 #include "utils.h"
  85 #include "gtkutils.h"
  86 #include "socket.h"
  87 #include "log.h"
  88 #include "prefs_toolbar.h"
  89 #include "plugin.h"
  90 #include "mh_gtk.h"
  91 #include "imap_gtk.h"
  92 #include "news_gtk.h"
  93 #include "matcher.h"
  94 #ifdef HAVE_LIBETPAN
  95 #include "imap-thread.h"
  96 #endif
  97 #include "stock_pixmap.h"
  98
  99 #if USE_OPENSSL
 100 #  include "ssl.h"
 101 #endif
 102
 103 #include "version.h"
 104
 105 #include "crash.h"
 106
 107 gchar *prog_version;
 108 #ifdef CRASH_DIALOG
 109 gchar *argv0;
 110 #endif
 111
 112 #ifdef HAVE_STARTUP_NOTIFICATION
 113 static SnLauncheeContext *sn_context = NULL;
 114 static SnDisplay *sn_display = NULL;
 115 #endif
 116
 117 static gint lock_socket = -1;
 118 static gint lock_socket_tag = 0;
 119
 120 typedef enum
 121 {
 122         ONLINE_MODE_DONT_CHANGE,
 123         ONLINE_MODE_ONLINE,
 124         ONLINE_MODE_OFFLINE
 125 } OnlineMode;
 126
 127 static struct RemoteCmd {
 128         gboolean receive;
 129         gboolean receive_all;
 130         gboolean compose;
 131         const gchar *compose_mailto;
 132         GPtrArray *attach_files;
 133         gboolean status;
 134         gboolean status_full;
 135         GPtrArray *status_folders;
 136         GPtrArray *status_full_folders;
 137         gboolean send;
 138         gboolean crash;
 139         int online_mode;
 140         gchar   *crash_params;
 141         gboolean exit;
 142         gboolean subscribe;
 143         const gchar *subscribe_uri;
 144 } cmd;
 145
 146 static void parse_cmd_opt(int argc, char *argv[]);
 147
 148 static gint prohibit_duplicate_launch   (void);
 149 static gchar * get_crashfile_name       (void);
 150 static gint lock_socket_remove          (void);
 151 static void lock_socket_input_cb        (gpointer          data,
 152                                          gint              source,
 153                                          GdkInputCondition condition);
 154 #ifndef CLAWS
 155 static
 156 #endif
 157 gchar *get_socket_name          (void);
 158
 159
 160 static void open_compose_new            (const gchar    *address,
 161                                          GPtrArray      *attach_files);
 162
 163 static void send_queue                  (void);
 164 static void initial_processing          (FolderItem *item, gpointer data);
 165 static void quit_signal_handler         (int sig);
 166 static void install_basic_sighandlers   (void);
 167 static void exit_sylpheed               (MainWindow *mainwin);
 168
 169 #define MAKE_DIR_IF_NOT_EXIST(dir) \
 170 { \
 171         if (!is_dir_exist(dir)) { \
 172                 if (is_file_exist(dir)) { \
 173                         alertpanel_warning \
 174                                 (_("File '%s' already exists.\n" \
 175                                    "Can't create folder."), \
 176                                  dir); \
 177                         return 1; \
 178                 } \
 179                 if (make_dir(dir) < 0) \
 180                         return 1; \
 181         } \
 182 }
 183
 184 static MainWindow *static_mainwindow;
 185
 186 #ifdef HAVE_STARTUP_NOTIFICATION
 187 static void sn_error_trap_push(SnDisplay *display, Display *xdisplay)
 188 {
 189         gdk_error_trap_push();
 190 }
 191
 192 static void sn_error_trap_pop(SnDisplay *display, Display *xdisplay)
 193 {
 194         gdk_error_trap_pop();
 195 }
 196
 197 static void startup_notification_complete(gboolean with_window)
 198 {
 199         Display *xdisplay;
 200         GtkWidget *hack = NULL;
 201
 202         if (with_window) {
 203                 /* this is needed to make the startup notification leave,
 204                  * if we have been launched from a menu.
 205                  * We have to display a window, so let it be very little */
 206                 hack = gtk_window_new(GTK_WINDOW_POPUP);
 207                 gtk_widget_set_uposition(hack, 0, 0);
 208                 gtk_widget_set_size_request(hack, 1, 1);
 209                 gtk_widget_show(hack);
 210         }
 211
 212         xdisplay = GDK_DISPLAY();
 213         sn_display = sn_display_new(xdisplay,
 214                                 sn_error_trap_push,
 215                                 sn_error_trap_pop);
 216         sn_context = sn_launchee_context_new_from_environment(sn_display,
 217                                                  DefaultScreen(xdisplay));
 218
 219         if (sn_context != NULL) {
 220                 sn_launchee_context_complete(sn_context);
 221                 sn_launchee_context_unref(sn_context);
 222                 sn_display_unref(sn_display);
 223         }
 224         if (with_window) {
 225                 gtk_widget_destroy(hack);
 226         }
 227 }
 228 #endif /* HAVE_STARTUP_NOTIFICATION */
 229
 230 void sylpheed_gtk_idle(void)
 231 {
 232         while(gtk_events_pending()) {
 233                 gtk_main_iteration();
 234         }
 235         g_usleep(50000);
 236 }
 237
 238 gboolean defer_check_all(void *data)
 239 {
 240         gboolean autochk = GPOINTER_TO_INT(data);
 241
 242         inc_all_account_mail(static_mainwindow, autochk,
 243                         prefs_common.newmail_notify_manu);
 244
 245         return FALSE;
 246 }
 247
 248 gboolean defer_check(void *data)
 249 {
 250         inc_mail(static_mainwindow, prefs_common.newmail_notify_manu);
 251
 252         return FALSE;
 253 }
 254
 255 static gboolean migrate_old_config(const gchar *old_cfg_dir, const gchar *new_cfg_dir)
 256 {
 257         gchar *message = g_strdup_printf(_("Configuration for Sylpheed-Claws %s found.\n"
 258                          "Do you want to migrate this configuration?"),
 259                          !strcmp(old_cfg_dir, OLD_GTK1_RC_DIR)?
 260                                 _("1.0.5 or previous"):_("1.9.15 or previous"));
 261         gint r = 0;
 262         GtkWidget *window = NULL;
 263         if (alertpanel(_("Migration of configuration"),
 264                        message,
 265                        GTK_STOCK_NO, GTK_STOCK_YES, NULL) != G_ALERTALTERNATE) {
 266                 return FALSE;
 267         }
 268
 269         window = label_window_create(_("Copying configuration..."));
 270         GTK_EVENTS_FLUSH();
 271         r = copy_dir(old_cfg_dir, new_cfg_dir);
 272         gtk_widget_destroy(window);
 273         if (r != 0) {
 274                 alertpanel_error(_("Migration failed!"));
 275         }
 276         return (r == 0);
 277 }
 278
 279 int main(int argc, char *argv[])
 280 {
 281         gchar *userrc;
 282         MainWindow *mainwin;
 283         FolderView *folderview;
 284         GdkPixbuf *icon;
 285         gboolean crash_file_present = FALSE;
 286
 287         if (!sylpheed_init(&argc, &argv)) {
 288                 return 0;
 289         }
 290
 291         prog_version = PROG_VERSION;
 292 #ifdef CRASH_DIALOG
 293         argv0 = g_strdup(argv[0]);
 294 #endif
 295
 296         parse_cmd_opt(argc, argv);
 297
 298 #ifdef CRASH_DIALOG
 299         if (cmd.crash) {
 300                 gtk_set_locale();
 301                 gtk_init(&argc, &argv);
 302                 crash_main(cmd.crash_params);
 303                 return 0;
 304         }
 305         crash_install_handlers();
 306 #endif
 307         install_basic_sighandlers();
 308         sock_init();
 309
 310         /* check and create unix domain socket for remote operation */
 311 #ifdef G_OS_UNIX
 312         lock_socket = prohibit_duplicate_launch();
 313         if (lock_socket < 0) {
 314 #ifdef HAVE_STARTUP_NOTIFICATION
 315                 if(gtk_init_check(&argc, &argv))
 316                         startup_notification_complete(TRUE);
 317 #endif
 318                 return 0;
 319         }
 320
 321         if (cmd.status || cmd.status_full) {
 322                 puts("0 Sylpheed-Claws not running.");
 323                 lock_socket_remove();
 324                 return 0;
 325         }
 326
 327         if (cmd.exit)
 328                 return 0;
 329 #endif
 330         g_thread_init(NULL);
 331         /* gdk_threads_init(); */
 332
 333         gtk_set_locale();
 334         gtk_init(&argc, &argv);
 335
 336         gdk_rgb_init();
 337         gtk_widget_set_default_colormap(gdk_rgb_get_colormap());
 338         gtk_widget_set_default_visual(gdk_rgb_get_visual());
 339
 340         if (!g_thread_supported()) {
 341                 g_error(_("g_thread is not supported by glib.\n"));
 342         }
 343
 344         /* parse gtkrc files */
 345         userrc = g_strconcat(get_home_dir(), G_DIR_SEPARATOR_S, ".gtkrc-2.0",
 346                              NULL);
 347         gtk_rc_parse(userrc);
 348         g_free(userrc);
 349         userrc = g_strconcat(get_home_dir(), G_DIR_SEPARATOR_S, ".gtk",
 350                              G_DIR_SEPARATOR_S, "gtkrc-2.0", NULL);
 351         gtk_rc_parse(userrc);
 352         g_free(userrc);
 353
 354         CHDIR_RETURN_VAL_IF_FAIL(get_home_dir(), 1);
 355         if (!is_dir_exist(RC_DIR)) {
 356                 gboolean r = FALSE;
 357                 if (is_dir_exist(OLD_GTK2_RC_DIR))
 358                         r = migrate_old_config(OLD_GTK2_RC_DIR, RC_DIR);
 359                 else if (is_dir_exist(OLD_GTK1_RC_DIR))
 360                         r = migrate_old_config(OLD_GTK1_RC_DIR, RC_DIR);
 361                 if (r == FALSE && !is_dir_exist(RC_DIR) && make_dir(RC_DIR) < 0)
 362                         exit(1);
 363         }
 364
 365         userrc = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S, "gtkrc-2.0", NULL);
 366         gtk_rc_parse(userrc);
 367         g_free(userrc);
 368
 369         userrc = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S, MENU_RC, NULL);
 370         gtk_accel_map_load (userrc);
 371         g_free(userrc);
 372
 373         gtk_settings_set_long_property(gtk_settings_get_default(),
 374                                        "gtk-can-change-accels",
 375                                        (glong)TRUE, "XProperty");
 376
 377         CHDIR_RETURN_VAL_IF_FAIL(get_rc_dir(), 1);
 378
 379         MAKE_DIR_IF_NOT_EXIST(get_mail_base_dir());
 380         MAKE_DIR_IF_NOT_EXIST(get_imap_cache_dir());
 381         MAKE_DIR_IF_NOT_EXIST(get_news_cache_dir());
 382         MAKE_DIR_IF_NOT_EXIST(get_mime_tmp_dir());
 383         MAKE_DIR_IF_NOT_EXIST(get_tmp_dir());
 384         MAKE_DIR_IF_NOT_EXIST(UIDL_DIR);
 385
 386         crash_file_present = is_file_exist(get_crashfile_name());
 387         /* remove temporary files */
 388         remove_all_files(get_tmp_dir());
 389         remove_all_files(get_mime_tmp_dir());
 390
 391         if (is_file_exist("sylpheed.log")) {
 392                 if (rename_force("sylpheed.log", "sylpheed.log.bak") < 0)
 393                         FILE_OP_ERROR("sylpheed.log", "rename");
 394         }
 395         set_log_file("sylpheed.log");
 396
 397         CHDIR_RETURN_VAL_IF_FAIL(get_home_dir(), 1);
 398
 399         folder_system_init();
 400         prefs_common_read_config();
 401
 402         prefs_themes_init();
 403         prefs_fonts_init();
 404         prefs_ext_prog_init();
 405         prefs_wrapping_init();
 406         prefs_compose_writing_init();
 407         prefs_msg_colors_init();
 408         image_viewer_init();
 409         prefs_image_viewer_init();
 410         prefs_quote_init();
 411         prefs_summaries_init();
 412         prefs_message_init();
 413         prefs_other_init();
 414         prefs_receive_init();
 415         prefs_send_init();
 416 #ifdef USE_ASPELL
 417         gtkaspell_checkers_init();
 418         prefs_spelling_init();
 419 #endif
 420
 421         sock_set_io_timeout(prefs_common.io_timeout_secs);
 422 #ifdef HAVE_LIBETPAN
 423         imap_main_set_timeout(prefs_common.io_timeout_secs);
 424 #endif
 425         prefs_actions_read_config();
 426         prefs_display_header_read_config();
 427         /* prefs_filtering_read_config(); */
 428         addressbook_read_file();
 429         renderer_read_config();
 430
 431         gtkut_widget_init();
 432         stock_pixbuf_gdk(NULL, STOCK_PIXMAP_SYLPHEED_ICON, &icon);
 433         gtk_window_set_default_icon(icon);
 434
 435         folderview_initialize();
 436
 437         mh_gtk_init();
 438         imap_gtk_init();
 439         news_gtk_init();
 440
 441         mainwin = main_window_create
 442                 (prefs_common.sep_folder | prefs_common.sep_msg << 1);
 443         folderview = mainwin->folderview;
 444
 445         gtk_clist_freeze(GTK_CLIST(mainwin->folderview->ctree));
 446         folder_item_update_freeze();
 447
 448         /* register the callback of unix domain socket input */
 449 #ifdef G_OS_UNIX
 450         lock_socket_tag = gdk_input_add(lock_socket,
 451                                         GDK_INPUT_READ | GDK_INPUT_EXCEPTION,
 452                                         lock_socket_input_cb,
 453                                         mainwin);
 454 #endif
 455
 456         prefs_account_init();
 457         account_read_config_all();
 458
 459         if (folder_read_list() < 0) {
 460                 if (!run_wizard(mainwin, TRUE))
 461                         exit(1);
 462                 folder_write_list();
 463         }
 464
 465         if (!account_get_list()) {
 466                 if (!run_wizard(mainwin, FALSE))
 467                         exit(1);
 468                 account_read_config_all();
 469                 if(!account_get_list())
 470                         exit_sylpheed(mainwin);
 471         }
 472
 473         main_window_popup(mainwin);
 474
 475 #ifdef HAVE_LIBETPAN
 476         imap_main_init();
 477 #endif
 478         account_set_missing_folder();
 479         folder_set_missing_folders();
 480         folderview_set(folderview);
 481
 482         prefs_matcher_read_config();
 483
 484         /* make one all-folder processing before using sylpheed */
 485         main_window_cursor_wait(mainwin);
 486         folder_func_to_all_folders(initial_processing, (gpointer *)mainwin);
 487
 488         /* if Sylpheed crashed, rebuild caches */
 489         if (!cmd.crash && crash_file_present) {
 490                 debug_print("Sylpheed-Claws crashed, checking for new messages in local folders\n");
 491                 folder_item_update_thaw();
 492                 folderview_check_new(NULL);
 493                 folder_clean_cache_memory_force();
 494                 folder_item_update_freeze();
 495         }
 496         /* make the crash-indicator file */
 497         str_write_to_file("foo", get_crashfile_name());
 498
 499         inc_autocheck_timer_init(mainwin);
 500
 501         /* ignore SIGPIPE signal for preventing sudden death of program */
 502 #ifdef G_OS_UNIX
 503         signal(SIGPIPE, SIG_IGN);
 504 #endif
 505         if (cmd.online_mode == ONLINE_MODE_OFFLINE) {
 506                 main_window_toggle_work_offline(mainwin, TRUE, FALSE);
 507         }
 508         if (cmd.online_mode == ONLINE_MODE_ONLINE) {
 509                 main_window_toggle_work_offline(mainwin, FALSE, FALSE);
 510         }
 511
 512         if (cmd.status_folders) {
 513                 g_ptr_array_free(cmd.status_folders, TRUE);
 514                 cmd.status_folders = NULL;
 515         }
 516         if (cmd.status_full_folders) {
 517                 g_ptr_array_free(cmd.status_full_folders, TRUE);
 518                 cmd.status_full_folders = NULL;
 519         }
 520
 521         sylpheed_register_idle_function(sylpheed_gtk_idle);
 522
 523         prefs_toolbar_init();
 524
 525         plugin_load_all("GTK2");
 526
 527         if (plugin_get_unloaded_list() != NULL) {
 528                 alertpanel_warning(_("Some plugin(s) failed to load. "
 529                                      "Check the Plugins configuration "
 530                                      "for more information."));
 531         }
 532
 533         if (!folder_have_mailbox()) {
 534                 alertpanel_error(_("Sylpheed-Claws has detected a configured "
 535                                    "mailbox, but could not load it. It is "
 536                                    "probably provided by an out-of-date "
 537                                    "external plugin. Please reinstall the "
 538                                    "plugin and try again."));
 539                 exit(1);
 540         }
 541
 542         static_mainwindow = mainwin;
 543
 544 #ifdef HAVE_STARTUP_NOTIFICATION
 545         startup_notification_complete(FALSE);
 546 #endif
 547         folder_item_update_thaw();
 548         gtk_clist_thaw(GTK_CLIST(mainwin->folderview->ctree));
 549         main_window_cursor_normal(mainwin);
 550
 551         if (cmd.receive_all) {
 552                 g_timeout_add(1000, defer_check_all, GINT_TO_POINTER(FALSE));
 553         } else if (prefs_common.chk_on_startup) {
 554                 g_timeout_add(1000, defer_check_all, GINT_TO_POINTER(TRUE));
 555         } else if (cmd.receive) {
 556                 g_timeout_add(1000, defer_check, NULL);
 557         } else {
 558                 gtk_widget_grab_focus(folderview->ctree);
 559         }
 560
 561         if (cmd.compose) {
 562                 open_compose_new(cmd.compose_mailto, cmd.attach_files);
 563         }
 564         if (cmd.attach_files) {
 565                 ptr_array_free_strings(cmd.attach_files);
 566                 g_ptr_array_free(cmd.attach_files, TRUE);
 567                 cmd.attach_files = NULL;
 568         }
 569         if (cmd.subscribe) {
 570                 folder_subscribe(cmd.subscribe_uri);
 571         }
 572
 573         if (cmd.send) {
 574                 send_queue();
 575         }
 576
 577         gtk_main();
 578
 579         exit_sylpheed(mainwin);
 580
 581         return 0;
 582 }
 583
 584 static void save_all_caches(FolderItem *item, gpointer data)
 585 {
 586         if (!item->cache) {
 587                 return;
 588         }
 589         folder_item_write_cache(item);
 590 }
 591
 592 static void exit_sylpheed(MainWindow *mainwin)
 593 {
 594         gchar *filename;
 595
 596         debug_print("shutting down\n");
 597         inc_autocheck_timer_remove();
 598
 599         if (prefs_common.clean_on_exit) {
 600                 main_window_empty_trash(mainwin, prefs_common.ask_on_clean);
 601         }
 602
 603         /* save prefs for opened folder */
 604         if(mainwin->folderview->opened) {
 605                 FolderItem *item;
 606
 607                 item = gtk_ctree_node_get_row_data(GTK_CTREE(mainwin->folderview->ctree), mainwin->folderview->opened);
 608                 summary_save_prefs_to_folderitem(mainwin->folderview->summaryview, item);
 609         }
 610
 611         /* save all state before exiting */
 612         folder_write_list();
 613         folder_func_to_all_folders(save_all_caches, NULL);
 614
 615         main_window_get_size(mainwin);
 616         main_window_get_position(mainwin);
 617         prefs_common_write_config();
 618         account_write_config_all();
 619         addressbook_export_to_file();
 620
 621         filename = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S, MENU_RC, NULL);
 622         gtk_accel_map_save(filename);
 623         g_free(filename);
 624
 625         /* delete temporary files */
 626         remove_all_files(get_tmp_dir());
 627         remove_all_files(get_mime_tmp_dir());
 628
 629         close_log_file();
 630
 631 #ifdef HAVE_LIBETPAN
 632         imap_main_done();
 633 #endif
 634         /* delete crashfile */
 635         if (!cmd.crash)
 636                 g_unlink(get_crashfile_name());
 637
 638         lock_socket_remove();
 639
 640         main_window_destroy_all();
 641
 642         plugin_unload_all("GTK2");
 643
 644         prefs_toolbar_done();
 645
 646         addressbook_destroy();
 647
 648         prefs_themes_done();
 649         prefs_fonts_done();
 650         prefs_ext_prog_done();
 651         prefs_wrapping_done();
 652         prefs_compose_writing_done();
 653         prefs_msg_colors_done();
 654         prefs_image_viewer_done();
 655         image_viewer_done();
 656         prefs_quote_done();
 657         prefs_summaries_done();
 658         prefs_message_done();
 659         prefs_other_done();
 660         prefs_receive_done();
 661         prefs_send_done();
 662 #ifdef USE_ASPELL
 663         prefs_spelling_done();
 664         gtkaspell_checkers_quit();
 665 #endif
 666         sylpheed_done();
 667
 668 }
 669
 670 static void parse_cmd_opt(int argc, char *argv[])
 671 {
 672         gint i;
 673
 674         for (i = 1; i < argc; i++) {
 675                 if (!strncmp(argv[i], "--receive-all", 13)) {
 676                         cmd.receive_all = TRUE;
 677                 } else if (!strncmp(argv[i], "--receive", 9)) {
 678                         cmd.receive = TRUE;
 679                 } else if (!strncmp(argv[i], "--compose", 9)) {
 680                         const gchar *p = argv[i + 1];
 681
 682                         cmd.compose = TRUE;
 683                         cmd.compose_mailto = NULL;
 684                         if (p && *p != '\0' && *p != '-') {
 685                                 if (!strncmp(p, "mailto:", 7)) {
 686                                         cmd.compose_mailto = p + 7;
 687                                 } else {
 688                                         cmd.compose_mailto = p;
 689                                 }
 690                                 i++;
 691                         }
 692                 } else if (!strncmp(argv[i], "--subscribe", 11)) {
 693                         const gchar *p = argv[i + 1];
 694                         if (p && *p != '\0' && *p != '-') {
 695                                 cmd.subscribe = TRUE;
 696                                 cmd.subscribe_uri = p;
 697                         }
 698                 } else if (!strncmp(argv[i], "--attach", 8)) {
 699                         const gchar *p = argv[i + 1];
 700                         gchar *file;
 701
 702                         while (p && *p != '\0' && *p != '-') {
 703                                 if (!cmd.attach_files) {
 704                                         cmd.attach_files = g_ptr_array_new();
 705                                 }
 706                                 if (*p != G_DIR_SEPARATOR) {
 707                                         file = g_strconcat(sylpheed_get_startup_dir(),
 708                                                            G_DIR_SEPARATOR_S,
 709                                                            p, NULL);
 710                                 } else {
 711                                         file = g_strdup(p);
 712                                 }
 713                                 g_ptr_array_add(cmd.attach_files, file);
 714                                 i++;
 715                                 p = argv[i + 1];
 716                         }
 717                 } else if (!strncmp(argv[i], "--send", 6)) {
 718                         cmd.send = TRUE;
 719                 } else if (!strncmp(argv[i], "--version", 9)) {
 720                         puts("Sylpheed-Claws version " VERSION);
 721                         exit(0);
 722                 } else if (!strncmp(argv[i], "--status-full", 13)) {
 723                         const gchar *p = argv[i + 1];
 724
 725                         cmd.status_full = TRUE;
 726                         while (p && *p != '\0' && *p != '-') {
 727                                 if (!cmd.status_full_folders) {
 728                                         cmd.status_full_folders =
 729                                                 g_ptr_array_new();
 730                                 }
 731                                 g_ptr_array_add(cmd.status_full_folders,
 732                                                 g_strdup(p));
 733                                 i++;
 734                                 p = argv[i + 1];
 735                         }
 736                 } else if (!strncmp(argv[i], "--status", 8)) {
 737                         const gchar *p = argv[i + 1];
 738
 739                         cmd.status = TRUE;
 740                         while (p && *p != '\0' && *p != '-') {
 741                                 if (!cmd.status_folders)
 742                                         cmd.status_folders = g_ptr_array_new();
 743                                 g_ptr_array_add(cmd.status_folders,
 744                                                 g_strdup(p));
 745                                 i++;
 746                                 p = argv[i + 1];
 747                         }
 748                 } else if (!strncmp(argv[i], "--online", 8)) {
 749                         cmd.online_mode = ONLINE_MODE_ONLINE;
 750                 } else if (!strncmp(argv[i], "--offline", 9)) {
 751                         cmd.online_mode = ONLINE_MODE_OFFLINE;
 752                 } else if (!strncmp(argv[i], "--help", 6)) {
 753                         gchar *base = g_path_get_basename(argv[0]);
 754                         g_print(_("Usage: %s [OPTION]...\n"), base);
 755
 756                         g_print("%s\n", _("  --compose [address]    open composition window"));
 757                         g_print("%s\n", _("  --subscribe [uri]      subscribe to the given URI if possible"));
 758                         g_print("%s\n", _("  --attach file1 [file2]...\n"
 759                                   "                         open composition window with specified files\n"
 760                                   "                         attached"));
 761                         g_print("%s\n", _("  --receive              receive new messages"));
 762                         g_print("%s\n", _("  --receive-all          receive new messages of all accounts"));
 763                         g_print("%s\n", _("  --send                 send all queued messages"));
 764                         g_print("%s\n", _("  --status [folder]...   show the total number of messages"));
 765                         g_print("%s\n", _("  --status-full [folder]...\n"
 766                                "                         show the status of each folder"));
 767                         g_print("%s\n", _("  --online               switch to online mode"));
 768                         g_print("%s\n", _("  --offline              switch to offline mode"));
 769                         g_print("%s\n", _("  --exit                 exit Sylpheed-Claws"));
 770                         g_print("%s\n", _("  --debug                debug mode"));
 771                         g_print("%s\n", _("  --help                 display this help and exit"));
 772                         g_print("%s\n", _("  --version              output version information and exit"));
 773                         g_print("%s\n", _("  --config-dir           output configuration directory"));
 774
 775                         g_free(base);
 776                         exit(1);
 777                 } else if (!strncmp(argv[i], "--crash", 7)) {
 778                         cmd.crash = TRUE;
 779                         cmd.crash_params = g_strdup(argv[i + 1]);
 780                         i++;
 781                 } else if (!strncmp(argv[i], "--config-dir", sizeof "--config-dir" - 1)) {
 782                         puts(RC_DIR);
 783                         exit(0);
 784                 } else if (!strncmp(argv[i], "--exit", 6)) {
 785                         cmd.exit = TRUE;
 786                 } else if (i == 1 && argc == 2) {
 787                         /* only one parameter. Do something intelligent about it */
 788                         if (strstr(argv[i], "@") && !strstr(argv[i], "://")) {
 789                                 const gchar *p = argv[i];
 790
 791                                 cmd.compose = TRUE;
 792                                 cmd.compose_mailto = NULL;
 793                                 if (p && *p != '\0' && *p != '-') {
 794                                         if (!strncmp(p, "mailto:", 7)) {
 795                                                 cmd.compose_mailto = p + 7;
 796                                         } else {
 797                                                 cmd.compose_mailto = p;
 798                                         }
 799                                 }
 800                         } else if (strstr(argv[i], "://")) {
 801                                 const gchar *p = argv[i];
 802                                 if (p && *p != '\0' && *p != '-') {
 803                                         cmd.subscribe = TRUE;
 804                                         cmd.subscribe_uri = p;
 805                                 }
 806                         }
 807                 }
 808
 809         }
 810
 811         if (cmd.attach_files && cmd.compose == FALSE) {
 812                 cmd.compose = TRUE;
 813                 cmd.compose_mailto = NULL;
 814         }
 815 }
 816
 817 static gint get_queued_message_num(void)
 818 {
 819         FolderItem *queue;
 820
 821         queue = folder_get_default_queue();
 822         if (!queue) {
 823                 return -1;
 824         }
 825
 826         folder_item_scan(queue);
 827         return queue->total_msgs;
 828 }
 829
 830 static void initial_processing(FolderItem *item, gpointer data)
 831 {
 832         MainWindow *mainwin = (MainWindow *)data;
 833         gchar *buf;
 834
 835         g_return_if_fail(item);
 836         buf = g_strdup_printf(_("Processing (%s)..."),
 837                               item->path
 838                               ? item->path
 839                               : _("top level folder"));
 840         debug_print("%s\n", buf);
 841         g_free(buf);
 842
 843
 844         if (item->prefs->enable_processing) {
 845                 folder_item_apply_processing(item);
 846         }
 847
 848         debug_print("done.\n");
 849         STATUSBAR_POP(mainwin);
 850 }
 851
 852 static void draft_all_messages(void)
 853 {
 854         GList *compose_list = NULL;
 855
 856         while ((compose_list = compose_get_compose_list()) != NULL) {
 857                 Compose *c = (Compose*)compose_list->data;
 858                 compose_draft(c);
 859         }
 860 }
 861
 862 gboolean clean_quit(gpointer data)
 863 {
 864         static gboolean firstrun = TRUE;
 865
 866         if (!firstrun) {
 867                 return FALSE;
 868         }
 869         firstrun = FALSE;
 870
 871         /*!< Good idea to have the main window stored in a
 872          *   static variable so we can check that variable
 873          *   to see if we're really allowed to do things
 874          *   that actually the spawner is supposed to
 875          *   do (like: sending mail, composing messages).
 876          *   Because, really, if we're the spawnee, and
 877          *   we touch GTK stuff, we're hosed. See the
 878          *   next fixme. */
 879
 880         /* FIXME: Use something else to signal that we're
 881          * in the original spawner, and not in a spawned
 882          * child. */
 883         if (!static_mainwindow) {
 884                 return FALSE;
 885         }
 886
 887         draft_all_messages();
 888
 889         exit_sylpheed(static_mainwindow);
 890         exit(0);
 891
 892         return FALSE;
 893 }
 894
 895 void app_will_exit(GtkWidget *widget, gpointer data)
 896 {
 897         MainWindow *mainwin = data;
 898
 899         if (compose_get_compose_list()) {
 900                 gint val = alertpanel(_("Really quit?"),
 901                                _("Composing message exists."),
 902                                _("_Save to Draft"), _("_Discard them"), _("Do_n't quit"));
 903                 switch (val) {
 904                         case G_ALERTOTHER:
 905                                 return;
 906                         case G_ALERTALTERNATE:
 907                                 break;
 908                         default:
 909                                 draft_all_messages();
 910                 }
 911
 912                 manage_window_focus_in(mainwin->window, NULL, NULL);
 913         }
 914
 915         if (prefs_common.warn_queued_on_exit && get_queued_message_num() > 0) {
 916                 if (alertpanel(_("Queued messages"),
 917                                _("Some unsent messages are queued. Exit now?"),
 918                                GTK_STOCK_CANCEL, GTK_STOCK_OK, NULL)
 919                     != G_ALERTALTERNATE) {
 920                         return;
 921                 }
 922                 manage_window_focus_in(mainwin->window, NULL, NULL);
 923         }
 924
 925         sock_cleanup();
 926
 927         gtk_main_quit();
 928 }
 929
 930 /*
 931  * CLAWS: want this public so crash dialog can delete the
 932  * lock file too
 933  */
 934 #ifndef CLAWS
 935 static
 936 #endif
 937 gchar *get_socket_name(void)
 938 {
 939         static gchar *filename = NULL;
 940
 941         if (filename == NULL) {
 942                 filename = g_strdup_printf("%s%csylpheed-claws-%d",
 943                                            g_get_tmp_dir(), G_DIR_SEPARATOR,
 944 #if HAVE_GETUID
 945                                            getuid());
 946 #else
 947                                            0);
 948 #endif
 949         }
 950
 951         return filename;
 952 }
 953
 954 static gchar *get_crashfile_name(void)
 955 {
 956         static gchar *filename = NULL;
 957
 958         if (filename == NULL) {
 959                 filename = g_strdup_printf("%s%csylpheed-crashed",
 960                                            get_tmp_dir(), G_DIR_SEPARATOR);
 961         }
 962
 963         return filename;
 964 }
 965
 966 static gint prohibit_duplicate_launch(void)
 967 {
 968         gint uxsock;
 969         gchar *path;
 970
 971         path = get_socket_name();
 972         uxsock = fd_connect_unix(path);
 973         if (uxsock < 0) {
 974                 g_unlink(path);
 975                 return fd_open_unix(path);
 976         }
 977
 978         /* remote command mode */
 979
 980         debug_print("another Sylpheed-Claws instance is already running.\n");
 981
 982         if (cmd.receive_all) {
 983                 fd_write_all(uxsock, "receive_all\n", 12);
 984         } else if (cmd.receive) {
 985                 fd_write_all(uxsock, "receive\n", 8);
 986         } else if (cmd.compose && cmd.attach_files) {
 987                 gchar *str, *compose_str;
 988                 gint i;
 989
 990                 if (cmd.compose_mailto) {
 991                         compose_str = g_strdup_printf("compose_attach %s\n",
 992                                                       cmd.compose_mailto);
 993                 } else {
 994                         compose_str = g_strdup("compose_attach\n");
 995                 }
 996
 997                 fd_write_all(uxsock, compose_str, strlen(compose_str));
 998                 g_free(compose_str);
 999
1000                 for (i = 0; i < cmd.attach_files->len; i++) {
1001                         str = g_ptr_array_index(cmd.attach_files, i);
1002                         fd_write_all(uxsock, str, strlen(str));
1003                         fd_write_all(uxsock, "\n", 1);
1004                 }
1005
1006                 fd_write_all(uxsock, ".\n", 2);
1007         } else if (cmd.compose) {
1008                 gchar *compose_str;
1009
1010                 if (cmd.compose_mailto) {
1011                         compose_str = g_strdup_printf
1012                                 ("compose %s\n", cmd.compose_mailto);
1013                 } else {
1014                         compose_str = g_strdup("compose\n");
1015                 }
1016
1017                 fd_write_all(uxsock, compose_str, strlen(compose_str));
1018                 g_free(compose_str);
1019         } else if (cmd.subscribe) {
1020                 gchar *str = g_strdup_printf("subscribe %s\n", cmd.subscribe_uri);
1021                 fd_write_all(uxsock, str, strlen(str));
1022                 g_free(str);
1023         } else if (cmd.send) {
1024                 fd_write_all(uxsock, "send\n", 5);
1025         } else if (cmd.online_mode == ONLINE_MODE_ONLINE) {
1026                 fd_write(uxsock, "online\n", 6);
1027         } else if (cmd.online_mode == ONLINE_MODE_OFFLINE) {
1028                 fd_write(uxsock, "offline\n", 7);
1029         } else if (cmd.status || cmd.status_full) {
1030                 gchar buf[BUFFSIZE];
1031                 gint i;
1032                 const gchar *command;
1033                 GPtrArray *folders;
1034                 gchar *folder;
1035
1036                 command = cmd.status_full ? "status-full\n" : "status\n";
1037                 folders = cmd.status_full ? cmd.status_full_folders :
1038                         cmd.status_folders;
1039
1040                 fd_write_all(uxsock, command, strlen(command));
1041                 for (i = 0; folders && i < folders->len; ++i) {
1042                         folder = g_ptr_array_index(folders, i);
1043                         fd_write_all(uxsock, folder, strlen(folder));
1044                         fd_write_all(uxsock, "\n", 1);
1045                 }
1046                 fd_write_all(uxsock, ".\n", 2);
1047                 for (;;) {
1048                         fd_gets(uxsock, buf, sizeof(buf));
1049                         if (!strncmp(buf, ".\n", 2)) break;
1050                         fputs(buf, stdout);
1051                 }
1052         } else if (cmd.exit) {
1053                 fd_write_all(uxsock, "exit\n", 5);
1054         } else
1055                 fd_write_all(uxsock, "popup\n", 6);
1056
1057         fd_close(uxsock);
1058         return -1;
1059 }
1060
1061 static gint lock_socket_remove(void)
1062 {
1063 #ifdef G_OS_UNIX
1064         gchar *filename;
1065
1066         if (lock_socket < 0) {
1067                 return -1;
1068         }
1069
1070         if (lock_socket_tag > 0) {
1071                 gdk_input_remove(lock_socket_tag);
1072         }
1073         fd_close(lock_socket);
1074         filename = get_socket_name();
1075         g_unlink(filename);
1076 #endif
1077
1078         return 0;
1079 }
1080
1081 static GPtrArray *get_folder_item_list(gint sock)
1082 {
1083         gchar buf[BUFFSIZE];
1084         FolderItem *item;
1085         GPtrArray *folders = NULL;
1086
1087         for (;;) {
1088                 fd_gets(sock, buf, sizeof(buf));
1089                 if (!strncmp(buf, ".\n", 2)) {
1090                         break;
1091                 }
1092                 strretchomp(buf);
1093                 if (!folders) {
1094                         folders = g_ptr_array_new();
1095                 }
1096                 item = folder_find_item_from_identifier(buf);
1097                 if (item) {
1098                         g_ptr_array_add(folders, item);
1099                 } else {
1100                         g_warning("no such folder: %s\n", buf);
1101                 }
1102         }
1103
1104         return folders;
1105 }
1106
1107 static void lock_socket_input_cb(gpointer data,
1108                                  gint source,
1109                                  GdkInputCondition condition)
1110 {
1111         MainWindow *mainwin = (MainWindow *)data;
1112         gint sock;
1113         gchar buf[BUFFSIZE];
1114
1115         sock = fd_accept(source);
1116         fd_gets(sock, buf, sizeof(buf));
1117
1118         if (!strncmp(buf, "popup", 5)) {
1119                 main_window_popup(mainwin);
1120         } else if (!strncmp(buf, "receive_all", 11)) {
1121                 inc_all_account_mail(mainwin, FALSE,
1122                                      prefs_common.newmail_notify_manu);
1123         } else if (!strncmp(buf, "receive", 7)) {
1124                 inc_mail(mainwin, prefs_common.newmail_notify_manu);
1125         } else if (!strncmp(buf, "compose_attach", 14)) {
1126                 GPtrArray *files;
1127                 gchar *mailto;
1128
1129                 mailto = g_strdup(buf + strlen("compose_attach") + 1);
1130                 files = g_ptr_array_new();
1131                 while (fd_gets(sock, buf, sizeof(buf)) > 0) {
1132                         if (buf[0] == '.' && buf[1] == '\n') {
1133                                 break;
1134                         }
1135                         strretchomp(buf);
1136                         g_ptr_array_add(files, g_strdup(buf));
1137                 }
1138                 open_compose_new(mailto, files);
1139                 ptr_array_free_strings(files);
1140                 g_ptr_array_free(files, TRUE);
1141                 g_free(mailto);
1142         } else if (!strncmp(buf, "compose", 7)) {
1143                 open_compose_new(buf + strlen("compose") + 1, NULL);
1144         } else if (!strncmp(buf, "subscribe", 9)) {
1145                 main_window_popup(mainwin);
1146                 folder_subscribe(buf + strlen("subscribe") + 1);
1147         } else if (!strncmp(buf, "send", 4)) {
1148                 send_queue();
1149         } else if (!strncmp(buf, "online", 6)) {
1150                 main_window_toggle_work_offline(mainwin, FALSE, FALSE);
1151         } else if (!strncmp(buf, "offline", 7)) {
1152                 main_window_toggle_work_offline(mainwin, TRUE, FALSE);
1153         } else if (!strncmp(buf, "status-full", 11) ||
1154                    !strncmp(buf, "status", 6)) {
1155                 gchar *status;
1156                 GPtrArray *folders;
1157
1158                 folders = get_folder_item_list(sock);
1159                 status = folder_get_status
1160                         (folders, !strncmp(buf, "status-full", 11));
1161                 fd_write_all(sock, status, strlen(status));
1162                 fd_write_all(sock, ".\n", 2);
1163                 g_free(status);
1164                 if (folders) g_ptr_array_free(folders, TRUE);
1165         } else if (!strncmp(buf, "exit", 4)) {
1166                 app_will_exit(NULL, mainwin);
1167         }
1168
1169         fd_close(sock);
1170 }
1171
1172 static void open_compose_new(const gchar *address, GPtrArray *attach_files)
1173 {
1174         gchar *addr = NULL;
1175
1176         if (address) {
1177                 Xstrdup_a(addr, address, return);
1178                 g_strstrip(addr);
1179         }
1180
1181         compose_new(NULL, addr, attach_files);
1182 }
1183
1184 static void send_queue(void)
1185 {
1186         GList *list;
1187
1188         for (list = folder_get_list(); list != NULL; list = list->next) {
1189                 Folder *folder = list->data;
1190
1191                 if (folder->queue) {
1192                         gint res = procmsg_send_queue
1193                                 (folder->queue, prefs_common.savemsg);
1194
1195                         if (res < 0) {
1196                                 alertpanel_error(_("Some errors occurred while sending queued messages."));
1197                         }
1198                         if (res) {
1199                                 folder_item_scan(folder->queue);
1200                         }
1201                 }
1202         }
1203 }
1204
1205 static void quit_signal_handler(int sig)
1206 {
1207         debug_print("Quitting on signal %d\n", sig);
1208
1209         g_timeout_add(0, clean_quit, NULL);
1210 }
1211
1212 static void install_basic_sighandlers()
1213 {
1214 #ifndef G_OS_WIN32
1215         sigset_t    mask;
1216         struct sigaction act;
1217
1218         sigemptyset(&mask);
1219
1220 #ifdef SIGTERM
1221         sigaddset(&mask, SIGTERM);
1222 #endif
1223 #ifdef SIGINT
1224         sigaddset(&mask, SIGINT);
1225 #endif
1226 #ifdef SIGHUP
1227         sigaddset(&mask, SIGHUP);
1228 #endif
1229
1230         act.sa_handler = quit_signal_handler;
1231         act.sa_mask    = mask;
1232         act.sa_flags   = 0;
1233
1234 #ifdef SIGTERM
1235         sigaction(SIGTERM, &act, 0);
1236 #endif
1237 #ifdef SIGINT
1238         sigaction(SIGINT, &act, 0);
1239 #endif
1240 #ifdef SIGHUP
1241         sigaction(SIGHUP, &act, 0);
1242 #endif
1243
1244         sigprocmask(SIG_UNBLOCK, &mask, 0);
1245 #endif /* !G_OS_WIN32 */
1246 }