src/main.c

   1 /*
   2  * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
   3  * Copyright (C) 1999-2006 Hiroyuki Yamamoto and the Sylpheed-Claws team
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; either version 2 of the License, or
   8  * (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License
  16  * along with this program; if not, write to the Free Software
  17  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  18  */
  19
  20 #ifdef HAVE_CONFIG_H
  21 #  include "config.h"
  22 #endif
  23
  24 #include "defs.h"
  25
  26 #include <glib.h>
  27 #include <glib/gi18n.h>
  28 #include <gtk/gtkmain.h>
  29 #include <gtk/gtkrc.h>
  30
  31 #include <stdio.h>
  32 #include <stdlib.h>
  33 #include <string.h>
  34 #include <ctype.h>
  35 #include <unistd.h>
  36 #include <time.h>
  37 #include <sys/stat.h>
  38 #include <sys/types.h>
  39 #ifdef G_OS_UNIX
  40 #  include <signal.h>
  41 #endif
  42 #include "wizard.h"
  43 #ifdef HAVE_STARTUP_NOTIFICATION
  44 # define SN_API_NOT_YET_FROZEN
  45 # include <libsn/sn-launchee.h>
  46 # include <gdk/gdkx.h>
  47 #endif
  48
  49 #include "sylpheed.h"
  50 #include "main.h"
  51 #include "mainwindow.h"
  52 #include "folderview.h"
  53 #include "image_viewer.h"
  54 #include "summaryview.h"
  55 #include "prefs_common.h"
  56 #include "prefs_account.h"
  57 #include "prefs_actions.h"
  58 #include "prefs_ext_prog.h"
  59 #include "prefs_fonts.h"
  60 #include "prefs_image_viewer.h"
  61 #include "prefs_message.h"
  62 #include "prefs_receive.h"
  63 #include "prefs_msg_colors.h"
  64 #include "prefs_quote.h"
  65 #include "prefs_spelling.h"
  66 #include "prefs_summaries.h"
  67 #include "prefs_themes.h"
  68 #include "prefs_other.h"
  69 #include "prefs_send.h"
  70 #include "prefs_wrapping.h"
  71 #include "prefs_compose_writing.h"
  72 #include "prefs_display_header.h"
  73 #include "account.h"
  74 #include "procmsg.h"
  75 #include "inc.h"
  76 #include "import.h"
  77 #include "manage_window.h"
  78 #include "alertpanel.h"
  79 #include "statusbar.h"
  80 #include "addressbook.h"
  81 #include "compose.h"
  82 #include "folder.h"
  83 #include "setup.h"
  84 #include "utils.h"
  85 #include "gtkutils.h"
  86 #include "socket.h"
  87 #include "log.h"
  88 #include "prefs_toolbar.h"
  89 #include "plugin.h"
  90 #include "mh_gtk.h"
  91 #include "imap_gtk.h"
  92 #include "news_gtk.h"
  93 #include "matcher.h"
  94 #ifdef HAVE_LIBETPAN
  95 #include "imap-thread.h"
  96 #endif
  97 #include "stock_pixmap.h"
  98
  99 #if USE_OPENSSL
 100 #  include "ssl.h"
 101 #endif
 102
 103 #include "version.h"
 104
 105 #include "crash.h"
 106
 107 gchar *prog_version;
 108 #ifdef CRASH_DIALOG
 109 gchar *argv0;
 110 #endif
 111
 112 #ifdef HAVE_STARTUP_NOTIFICATION
 113 static SnLauncheeContext *sn_context = NULL;
 114 static SnDisplay *sn_display = NULL;
 115 #endif
 116
 117 static gint lock_socket = -1;
 118 static gint lock_socket_tag = 0;
 119
 120 typedef enum
 121 {
 122         ONLINE_MODE_DONT_CHANGE,
 123         ONLINE_MODE_ONLINE,
 124         ONLINE_MODE_OFFLINE
 125 } OnlineMode;
 126
 127 static struct RemoteCmd {
 128         gboolean receive;
 129         gboolean receive_all;
 130         gboolean compose;
 131         const gchar *compose_mailto;
 132         GPtrArray *attach_files;
 133         gboolean status;
 134         gboolean status_full;
 135         GPtrArray *status_folders;
 136         GPtrArray *status_full_folders;
 137         gboolean send;
 138         gboolean crash;
 139         int online_mode;
 140         gchar   *crash_params;
 141         gboolean exit;
 142         gboolean subscribe;
 143         const gchar *subscribe_uri;
 144         const gchar *target;
 145 } cmd;
 146
 147 static void parse_cmd_opt(int argc, char *argv[]);
 148
 149 static gint prohibit_duplicate_launch   (void);
 150 static gchar * get_crashfile_name       (void);
 151 static gint lock_socket_remove          (void);
 152 static void lock_socket_input_cb        (gpointer          data,
 153                                          gint              source,
 154                                          GdkInputCondition condition);
 155 #ifndef CLAWS
 156 static
 157 #endif
 158 gchar *get_socket_name          (void);
 159
 160
 161 static void open_compose_new            (const gchar    *address,
 162                                          GPtrArray      *attach_files);
 163
 164 static void send_queue                  (void);
 165 static void initial_processing          (FolderItem *item, gpointer data);
 166 static void quit_signal_handler         (int sig);
 167 static void install_basic_sighandlers   (void);
 168 static void exit_sylpheed               (MainWindow *mainwin);
 169
 170 #define MAKE_DIR_IF_NOT_EXIST(dir) \
 171 { \
 172         if (!is_dir_exist(dir)) { \
 173                 if (is_file_exist(dir)) { \
 174                         alertpanel_warning \
 175                                 (_("File '%s' already exists.\n" \
 176                                    "Can't create folder."), \
 177                                  dir); \
 178                         return 1; \
 179                 } \
 180                 if (make_dir(dir) < 0) \
 181                         return 1; \
 182         } \
 183 }
 184
 185 static MainWindow *static_mainwindow;
 186
 187 #ifdef HAVE_STARTUP_NOTIFICATION
 188 static void sn_error_trap_push(SnDisplay *display, Display *xdisplay)
 189 {
 190         gdk_error_trap_push();
 191 }
 192
 193 static void sn_error_trap_pop(SnDisplay *display, Display *xdisplay)
 194 {
 195         gdk_error_trap_pop();
 196 }
 197
 198 static void startup_notification_complete(gboolean with_window)
 199 {
 200         Display *xdisplay;
 201         GtkWidget *hack = NULL;
 202
 203         if (with_window) {
 204                 /* this is needed to make the startup notification leave,
 205                  * if we have been launched from a menu.
 206                  * We have to display a window, so let it be very little */
 207                 hack = gtk_window_new(GTK_WINDOW_POPUP);
 208                 gtk_widget_set_uposition(hack, 0, 0);
 209                 gtk_widget_set_size_request(hack, 1, 1);
 210                 gtk_widget_show(hack);
 211         }
 212
 213         xdisplay = GDK_DISPLAY();
 214         sn_display = sn_display_new(xdisplay,
 215                                 sn_error_trap_push,
 216                                 sn_error_trap_pop);
 217         sn_context = sn_launchee_context_new_from_environment(sn_display,
 218                                                  DefaultScreen(xdisplay));
 219
 220         if (sn_context != NULL) {
 221                 sn_launchee_context_complete(sn_context);
 222                 sn_launchee_context_unref(sn_context);
 223                 sn_display_unref(sn_display);
 224         }
 225         if (with_window) {
 226                 gtk_widget_destroy(hack);
 227         }
 228 }
 229 #endif /* HAVE_STARTUP_NOTIFICATION */
 230
 231 void sylpheed_gtk_idle(void)
 232 {
 233         while(gtk_events_pending()) {
 234                 gtk_main_iteration();
 235         }
 236         g_usleep(50000);
 237 }
 238
 239 gboolean defer_check_all(void *data)
 240 {
 241         gboolean autochk = GPOINTER_TO_INT(data);
 242
 243         inc_all_account_mail(static_mainwindow, autochk,
 244                         prefs_common.newmail_notify_manu);
 245
 246         return FALSE;
 247 }
 248
 249 gboolean defer_check(void *data)
 250 {
 251         inc_mail(static_mainwindow, prefs_common.newmail_notify_manu);
 252
 253         return FALSE;
 254 }
 255
 256 static gboolean migrate_old_config(const gchar *old_cfg_dir, const gchar *new_cfg_dir)
 257 {
 258         gchar *message = g_strdup_printf(_("Configuration for Sylpheed-Claws %s found.\n"
 259                          "Do you want to migrate this configuration?"),
 260                          !strcmp(old_cfg_dir, OLD_GTK1_RC_DIR)?
 261                                 _("1.0.5 or previous"):_("1.9.15 or previous"));
 262         gint r = 0;
 263         GtkWidget *window = NULL;
 264         if (alertpanel(_("Migration of configuration"),
 265                        message,
 266                        GTK_STOCK_NO, GTK_STOCK_YES, NULL) != G_ALERTALTERNATE) {
 267                 return FALSE;
 268         }
 269
 270         window = label_window_create(_("Copying configuration..."));
 271         GTK_EVENTS_FLUSH();
 272         r = copy_dir(old_cfg_dir, new_cfg_dir);
 273         gtk_widget_destroy(window);
 274         if (r != 0) {
 275                 alertpanel_error(_("Migration failed!"));
 276         }
 277         return (r == 0);
 278 }
 279
 280 int main(int argc, char *argv[])
 281 {
 282         gchar *userrc;
 283         MainWindow *mainwin;
 284         FolderView *folderview;
 285         GdkPixbuf *icon;
 286         gboolean crash_file_present = FALSE;
 287
 288         if (!sylpheed_init(&argc, &argv)) {
 289                 return 0;
 290         }
 291
 292         prog_version = PROG_VERSION;
 293 #ifdef CRASH_DIALOG
 294         argv0 = g_strdup(argv[0]);
 295 #endif
 296
 297         parse_cmd_opt(argc, argv);
 298
 299 #ifdef CRASH_DIALOG
 300         if (cmd.crash) {
 301                 gtk_set_locale();
 302                 gtk_init(&argc, &argv);
 303                 crash_main(cmd.crash_params);
 304                 return 0;
 305         }
 306         crash_install_handlers();
 307 #endif
 308         install_basic_sighandlers();
 309         sock_init();
 310
 311         /* check and create unix domain socket for remote operation */
 312 #ifdef G_OS_UNIX
 313         lock_socket = prohibit_duplicate_launch();
 314         if (lock_socket < 0) {
 315 #ifdef HAVE_STARTUP_NOTIFICATION
 316                 if(gtk_init_check(&argc, &argv))
 317                         startup_notification_complete(TRUE);
 318 #endif
 319                 return 0;
 320         }
 321
 322         if (cmd.status || cmd.status_full) {
 323                 puts("0 Sylpheed-Claws not running.");
 324                 lock_socket_remove();
 325                 return 0;
 326         }
 327
 328         if (cmd.exit)
 329                 return 0;
 330 #endif
 331         g_thread_init(NULL);
 332         /* gdk_threads_init(); */
 333
 334         gtk_set_locale();
 335         gtk_init(&argc, &argv);
 336
 337         gdk_rgb_init();
 338         gtk_widget_set_default_colormap(gdk_rgb_get_colormap());
 339         gtk_widget_set_default_visual(gdk_rgb_get_visual());
 340
 341         if (!g_thread_supported()) {
 342                 g_error(_("g_thread is not supported by glib.\n"));
 343         }
 344
 345         /* parse gtkrc files */
 346         userrc = g_strconcat(get_home_dir(), G_DIR_SEPARATOR_S, ".gtkrc-2.0",
 347                              NULL);
 348         gtk_rc_parse(userrc);
 349         g_free(userrc);
 350         userrc = g_strconcat(get_home_dir(), G_DIR_SEPARATOR_S, ".gtk",
 351                              G_DIR_SEPARATOR_S, "gtkrc-2.0", NULL);
 352         gtk_rc_parse(userrc);
 353         g_free(userrc);
 354
 355         CHDIR_RETURN_VAL_IF_FAIL(get_home_dir(), 1);
 356         if (!is_dir_exist(RC_DIR)) {
 357                 gboolean r = FALSE;
 358                 if (is_dir_exist(OLD_GTK2_RC_DIR))
 359                         r = migrate_old_config(OLD_GTK2_RC_DIR, RC_DIR);
 360                 else if (is_dir_exist(OLD_GTK1_RC_DIR))
 361                         r = migrate_old_config(OLD_GTK1_RC_DIR, RC_DIR);
 362                 if (r == FALSE && !is_dir_exist(RC_DIR) && make_dir(RC_DIR) < 0)
 363                         exit(1);
 364         }
 365
 366         userrc = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S, "gtkrc-2.0", NULL);
 367         gtk_rc_parse(userrc);
 368         g_free(userrc);
 369
 370         userrc = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S, MENU_RC, NULL);
 371         gtk_accel_map_load (userrc);
 372         g_free(userrc);
 373
 374         gtk_settings_set_long_property(gtk_settings_get_default(),
 375                                        "gtk-can-change-accels",
 376                                        (glong)TRUE, "XProperty");
 377
 378         CHDIR_RETURN_VAL_IF_FAIL(get_rc_dir(), 1);
 379
 380         MAKE_DIR_IF_NOT_EXIST(get_mail_base_dir());
 381         MAKE_DIR_IF_NOT_EXIST(get_imap_cache_dir());
 382         MAKE_DIR_IF_NOT_EXIST(get_news_cache_dir());
 383         MAKE_DIR_IF_NOT_EXIST(get_mime_tmp_dir());
 384         MAKE_DIR_IF_NOT_EXIST(get_tmp_dir());
 385         MAKE_DIR_IF_NOT_EXIST(UIDL_DIR);
 386
 387         crash_file_present = is_file_exist(get_crashfile_name());
 388         /* remove temporary files */
 389         remove_all_files(get_tmp_dir());
 390         remove_all_files(get_mime_tmp_dir());
 391
 392         if (is_file_exist("sylpheed.log")) {
 393                 if (rename_force("sylpheed.log", "sylpheed.log.bak") < 0)
 394                         FILE_OP_ERROR("sylpheed.log", "rename");
 395         }
 396         set_log_file("sylpheed.log");
 397
 398         CHDIR_RETURN_VAL_IF_FAIL(get_home_dir(), 1);
 399
 400         folder_system_init();
 401         prefs_common_read_config();
 402
 403         prefs_themes_init();
 404         prefs_fonts_init();
 405         prefs_ext_prog_init();
 406         prefs_wrapping_init();
 407         prefs_compose_writing_init();
 408         prefs_msg_colors_init();
 409         image_viewer_init();
 410         prefs_image_viewer_init();
 411         prefs_quote_init();
 412         prefs_summaries_init();
 413         prefs_message_init();
 414         prefs_other_init();
 415         prefs_receive_init();
 416         prefs_send_init();
 417 #ifdef USE_ASPELL
 418         gtkaspell_checkers_init();
 419         prefs_spelling_init();
 420 #endif
 421
 422         sock_set_io_timeout(prefs_common.io_timeout_secs);
 423 #ifdef HAVE_LIBETPAN
 424         imap_main_set_timeout(prefs_common.io_timeout_secs);
 425 #endif
 426         prefs_actions_read_config();
 427         prefs_display_header_read_config();
 428         /* prefs_filtering_read_config(); */
 429         addressbook_read_file();
 430         renderer_read_config();
 431
 432         gtkut_widget_init();
 433         stock_pixbuf_gdk(NULL, STOCK_PIXMAP_SYLPHEED_ICON, &icon);
 434         gtk_window_set_default_icon(icon);
 435
 436         folderview_initialize();
 437
 438         mh_gtk_init();
 439         imap_gtk_init();
 440         news_gtk_init();
 441
 442         mainwin = main_window_create
 443                 (prefs_common.sep_folder | prefs_common.sep_msg << 1);
 444         folderview = mainwin->folderview;
 445
 446         gtk_clist_freeze(GTK_CLIST(mainwin->folderview->ctree));
 447         folder_item_update_freeze();
 448
 449         /* register the callback of unix domain socket input */
 450 #ifdef G_OS_UNIX
 451         lock_socket_tag = gdk_input_add(lock_socket,
 452                                         GDK_INPUT_READ | GDK_INPUT_EXCEPTION,
 453                                         lock_socket_input_cb,
 454                                         mainwin);
 455 #endif
 456
 457         prefs_account_init();
 458         account_read_config_all();
 459
 460         if (folder_read_list() < 0) {
 461                 if (!run_wizard(mainwin, TRUE))
 462                         exit(1);
 463                 folder_write_list();
 464         }
 465
 466         if (!account_get_list()) {
 467                 if (!run_wizard(mainwin, FALSE))
 468                         exit(1);
 469                 account_read_config_all();
 470                 if(!account_get_list())
 471                         exit_sylpheed(mainwin);
 472         }
 473
 474         main_window_popup(mainwin);
 475
 476 #ifdef HAVE_LIBETPAN
 477         imap_main_init();
 478 #endif
 479         account_set_missing_folder();
 480         folder_set_missing_folders();
 481         folderview_set(folderview);
 482
 483         prefs_matcher_read_config();
 484
 485         /* make one all-folder processing before using sylpheed */
 486         main_window_cursor_wait(mainwin);
 487         folder_func_to_all_folders(initial_processing, (gpointer *)mainwin);
 488
 489         /* if Sylpheed crashed, rebuild caches */
 490         if (!cmd.crash && crash_file_present) {
 491                 debug_print("Sylpheed-Claws crashed, checking for new messages in local folders\n");
 492                 folder_item_update_thaw();
 493                 folderview_check_new(NULL);
 494                 folder_clean_cache_memory_force();
 495                 folder_item_update_freeze();
 496         }
 497         /* make the crash-indicator file */
 498         str_write_to_file("foo", get_crashfile_name());
 499
 500         inc_autocheck_timer_init(mainwin);
 501
 502         /* ignore SIGPIPE signal for preventing sudden death of program */
 503 #ifdef G_OS_UNIX
 504         signal(SIGPIPE, SIG_IGN);
 505 #endif
 506         if (cmd.online_mode == ONLINE_MODE_OFFLINE) {
 507                 main_window_toggle_work_offline(mainwin, TRUE, FALSE);
 508         }
 509         if (cmd.online_mode == ONLINE_MODE_ONLINE) {
 510                 main_window_toggle_work_offline(mainwin, FALSE, FALSE);
 511         }
 512
 513         if (cmd.status_folders) {
 514                 g_ptr_array_free(cmd.status_folders, TRUE);
 515                 cmd.status_folders = NULL;
 516         }
 517         if (cmd.status_full_folders) {
 518                 g_ptr_array_free(cmd.status_full_folders, TRUE);
 519                 cmd.status_full_folders = NULL;
 520         }
 521
 522         sylpheed_register_idle_function(sylpheed_gtk_idle);
 523
 524         prefs_toolbar_init();
 525
 526         plugin_load_all("GTK2");
 527
 528         if (plugin_get_unloaded_list() != NULL) {
 529                 alertpanel_warning(_("Some plugin(s) failed to load. "
 530                                      "Check the Plugins configuration "
 531                                      "for more information."));
 532         }
 533
 534         if (!folder_have_mailbox()) {
 535                 alertpanel_error(_("Sylpheed-Claws has detected a configured "
 536                                    "mailbox, but could not load it. It is "
 537                                    "probably provided by an out-of-date "
 538                                    "external plugin. Please reinstall the "
 539                                    "plugin and try again."));
 540                 exit(1);
 541         }
 542
 543         static_mainwindow = mainwin;
 544
 545 #ifdef HAVE_STARTUP_NOTIFICATION
 546         startup_notification_complete(FALSE);
 547 #endif
 548         folder_item_update_thaw();
 549         gtk_clist_thaw(GTK_CLIST(mainwin->folderview->ctree));
 550         main_window_cursor_normal(mainwin);
 551
 552         if (cmd.receive_all) {
 553                 g_timeout_add(1000, defer_check_all, GINT_TO_POINTER(FALSE));
 554         } else if (prefs_common.chk_on_startup) {
 555                 g_timeout_add(1000, defer_check_all, GINT_TO_POINTER(TRUE));
 556         } else if (cmd.receive) {
 557                 g_timeout_add(1000, defer_check, NULL);
 558         } else {
 559                 gtk_widget_grab_focus(folderview->ctree);
 560         }
 561
 562         if (cmd.compose) {
 563                 open_compose_new(cmd.compose_mailto, cmd.attach_files);
 564         }
 565         if (cmd.attach_files) {
 566                 ptr_array_free_strings(cmd.attach_files);
 567                 g_ptr_array_free(cmd.attach_files, TRUE);
 568                 cmd.attach_files = NULL;
 569         }
 570         if (cmd.subscribe) {
 571                 folder_subscribe(cmd.subscribe_uri);
 572         }
 573
 574         if (cmd.send) {
 575                 send_queue();
 576         }
 577
 578         if (cmd.target) {
 579                 mainwindow_jump_to(cmd.target);
 580         }
 581
 582         gtk_main();
 583
 584         exit_sylpheed(mainwin);
 585
 586         return 0;
 587 }
 588
 589 static void save_all_caches(FolderItem *item, gpointer data)
 590 {
 591         if (!item->cache) {
 592                 return;
 593         }
 594         folder_item_write_cache(item);
 595 }
 596
 597 static void exit_sylpheed(MainWindow *mainwin)
 598 {
 599         gchar *filename;
 600
 601         debug_print("shutting down\n");
 602         inc_autocheck_timer_remove();
 603
 604         if (prefs_common.clean_on_exit) {
 605                 main_window_empty_trash(mainwin, prefs_common.ask_on_clean);
 606         }
 607
 608         /* save prefs for opened folder */
 609         if(mainwin->folderview->opened) {
 610                 FolderItem *item;
 611
 612                 item = gtk_ctree_node_get_row_data(GTK_CTREE(mainwin->folderview->ctree), mainwin->folderview->opened);
 613                 summary_save_prefs_to_folderitem(mainwin->folderview->summaryview, item);
 614         }
 615
 616         /* save all state before exiting */
 617         folder_write_list();
 618         folder_func_to_all_folders(save_all_caches, NULL);
 619
 620         main_window_get_size(mainwin);
 621         main_window_get_position(mainwin);
 622         prefs_common_write_config();
 623         account_write_config_all();
 624         addressbook_export_to_file();
 625
 626         filename = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S, MENU_RC, NULL);
 627         gtk_accel_map_save(filename);
 628         g_free(filename);
 629
 630         /* delete temporary files */
 631         remove_all_files(get_tmp_dir());
 632         remove_all_files(get_mime_tmp_dir());
 633
 634         close_log_file();
 635
 636 #ifdef HAVE_LIBETPAN
 637         imap_main_done();
 638 #endif
 639         /* delete crashfile */
 640         if (!cmd.crash)
 641                 g_unlink(get_crashfile_name());
 642
 643         lock_socket_remove();
 644
 645         main_window_destroy_all();
 646
 647         plugin_unload_all("GTK2");
 648
 649         prefs_toolbar_done();
 650
 651         addressbook_destroy();
 652
 653         prefs_themes_done();
 654         prefs_fonts_done();
 655         prefs_ext_prog_done();
 656         prefs_wrapping_done();
 657         prefs_compose_writing_done();
 658         prefs_msg_colors_done();
 659         prefs_image_viewer_done();
 660         image_viewer_done();
 661         prefs_quote_done();
 662         prefs_summaries_done();
 663         prefs_message_done();
 664         prefs_other_done();
 665         prefs_receive_done();
 666         prefs_send_done();
 667 #ifdef USE_ASPELL
 668         prefs_spelling_done();
 669         gtkaspell_checkers_quit();
 670 #endif
 671         sylpheed_done();
 672
 673 }
 674
 675 static void parse_cmd_opt(int argc, char *argv[])
 676 {
 677         gint i;
 678
 679         for (i = 1; i < argc; i++) {
 680                 if (!strncmp(argv[i], "--receive-all", 13)) {
 681                         cmd.receive_all = TRUE;
 682                 } else if (!strncmp(argv[i], "--receive", 9)) {
 683                         cmd.receive = TRUE;
 684                 } else if (!strncmp(argv[i], "--compose", 9)) {
 685                         const gchar *p = argv[i + 1];
 686
 687                         cmd.compose = TRUE;
 688                         cmd.compose_mailto = NULL;
 689                         if (p && *p != '\0' && *p != '-') {
 690                                 if (!strncmp(p, "mailto:", 7)) {
 691                                         cmd.compose_mailto = p + 7;
 692                                 } else {
 693                                         cmd.compose_mailto = p;
 694                                 }
 695                                 i++;
 696                         }
 697                 } else if (!strncmp(argv[i], "--subscribe", 11)) {
 698                         const gchar *p = argv[i + 1];
 699                         if (p && *p != '\0' && *p != '-') {
 700                                 cmd.subscribe = TRUE;
 701                                 cmd.subscribe_uri = p;
 702                         }
 703                 } else if (!strncmp(argv[i], "--attach", 8)) {
 704                         const gchar *p = argv[i + 1];
 705                         gchar *file;
 706
 707                         while (p && *p != '\0' && *p != '-') {
 708                                 if (!cmd.attach_files) {
 709                                         cmd.attach_files = g_ptr_array_new();
 710                                 }
 711                                 if (*p != G_DIR_SEPARATOR) {
 712                                         file = g_strconcat(sylpheed_get_startup_dir(),
 713                                                            G_DIR_SEPARATOR_S,
 714                                                            p, NULL);
 715                                 } else {
 716                                         file = g_strdup(p);
 717                                 }
 718                                 g_ptr_array_add(cmd.attach_files, file);
 719                                 i++;
 720                                 p = argv[i + 1];
 721                         }
 722                 } else if (!strncmp(argv[i], "--send", 6)) {
 723                         cmd.send = TRUE;
 724                 } else if (!strncmp(argv[i], "--version", 9)) {
 725                         puts("Sylpheed-Claws version " VERSION);
 726                         exit(0);
 727                 } else if (!strncmp(argv[i], "--status-full", 13)) {
 728                         const gchar *p = argv[i + 1];
 729
 730                         cmd.status_full = TRUE;
 731                         while (p && *p != '\0' && *p != '-') {
 732                                 if (!cmd.status_full_folders) {
 733                                         cmd.status_full_folders =
 734                                                 g_ptr_array_new();
 735                                 }
 736                                 g_ptr_array_add(cmd.status_full_folders,
 737                                                 g_strdup(p));
 738                                 i++;
 739                                 p = argv[i + 1];
 740                         }
 741                 } else if (!strncmp(argv[i], "--status", 8)) {
 742                         const gchar *p = argv[i + 1];
 743
 744                         cmd.status = TRUE;
 745                         while (p && *p != '\0' && *p != '-') {
 746                                 if (!cmd.status_folders)
 747                                         cmd.status_folders = g_ptr_array_new();
 748                                 g_ptr_array_add(cmd.status_folders,
 749                                                 g_strdup(p));
 750                                 i++;
 751                                 p = argv[i + 1];
 752                         }
 753                 } else if (!strncmp(argv[i], "--online", 8)) {
 754                         cmd.online_mode = ONLINE_MODE_ONLINE;
 755                 } else if (!strncmp(argv[i], "--offline", 9)) {
 756                         cmd.online_mode = ONLINE_MODE_OFFLINE;
 757                 } else if (!strncmp(argv[i], "--help", 6)) {
 758                         gchar *base = g_path_get_basename(argv[0]);
 759                         g_print(_("Usage: %s [OPTION]...\n"), base);
 760
 761                         g_print("%s\n", _("  --compose [address]    open composition window"));
 762                         g_print("%s\n", _("  --subscribe [uri]      subscribe to the given URI if possible"));
 763                         g_print("%s\n", _("  --attach file1 [file2]...\n"
 764                                   "                         open composition window with specified files\n"
 765                                   "                         attached"));
 766                         g_print("%s\n", _("  --receive              receive new messages"));
 767                         g_print("%s\n", _("  --receive-all          receive new messages of all accounts"));
 768                         g_print("%s\n", _("  --send                 send all queued messages"));
 769                         g_print("%s\n", _("  --status [folder]...   show the total number of messages"));
 770                         g_print("%s\n", _("  --status-full [folder]...\n"
 771                                "                         show the status of each folder"));
 772                         g_print("%s\n", _("  --select folder[/msg]  jumps to the specified folder/message\n"
 773                                           "                         folder is a folder id like '#mh/Mailbox/inbox'"));
 774                         g_print("%s\n", _("  --online               switch to online mode"));
 775                         g_print("%s\n", _("  --offline              switch to offline mode"));
 776                         g_print("%s\n", _("  --exit                 exit Sylpheed-Claws"));
 777                         g_print("%s\n", _("  --debug                debug mode"));
 778                         g_print("%s\n", _("  --help                 display this help and exit"));
 779                         g_print("%s\n", _("  --version              output version information and exit"));
 780                         g_print("%s\n", _("  --config-dir           output configuration directory"));
 781
 782                         g_free(base);
 783                         exit(1);
 784                 } else if (!strncmp(argv[i], "--crash", 7)) {
 785                         cmd.crash = TRUE;
 786                         cmd.crash_params = g_strdup(argv[i + 1]);
 787                         i++;
 788                 } else if (!strncmp(argv[i], "--config-dir", sizeof "--config-dir" - 1)) {
 789                         puts(RC_DIR);
 790                         exit(0);
 791                 } else if (!strncmp(argv[i], "--exit", 6)) {
 792                         cmd.exit = TRUE;
 793                 } else if (!strncmp(argv[i], "--select", 8) && i+1 < argc) {
 794                         cmd.target = argv[i+1];
 795                 } else if (i == 1 && argc == 2) {
 796                         /* only one parameter. Do something intelligent about it */
 797                         if (strstr(argv[i], "@") && !strstr(argv[i], "://")) {
 798                                 const gchar *p = argv[i];
 799
 800                                 cmd.compose = TRUE;
 801                                 cmd.compose_mailto = NULL;
 802                                 if (p && *p != '\0' && *p != '-') {
 803                                         if (!strncmp(p, "mailto:", 7)) {
 804                                                 cmd.compose_mailto = p + 7;
 805                                         } else {
 806                                                 cmd.compose_mailto = p;
 807                                         }
 808                                 }
 809                         } else if (strstr(argv[i], "://")) {
 810                                 const gchar *p = argv[i];
 811                                 if (p && *p != '\0' && *p != '-') {
 812                                         cmd.subscribe = TRUE;
 813                                         cmd.subscribe_uri = p;
 814                                 }
 815                         }
 816                 }
 817
 818         }
 819
 820         if (cmd.attach_files && cmd.compose == FALSE) {
 821                 cmd.compose = TRUE;
 822                 cmd.compose_mailto = NULL;
 823         }
 824 }
 825
 826 static gint get_queued_message_num(void)
 827 {
 828         FolderItem *queue;
 829
 830         queue = folder_get_default_queue();
 831         if (!queue) {
 832                 return -1;
 833         }
 834
 835         folder_item_scan(queue);
 836         return queue->total_msgs;
 837 }
 838
 839 static void initial_processing(FolderItem *item, gpointer data)
 840 {
 841         MainWindow *mainwin = (MainWindow *)data;
 842         gchar *buf;
 843
 844         g_return_if_fail(item);
 845         buf = g_strdup_printf(_("Processing (%s)..."),
 846                               item->path
 847                               ? item->path
 848                               : _("top level folder"));
 849         debug_print("%s\n", buf);
 850         g_free(buf);
 851
 852
 853         if (item->prefs->enable_processing) {
 854                 folder_item_apply_processing(item);
 855         }
 856
 857         debug_print("done.\n");
 858         STATUSBAR_POP(mainwin);
 859 }
 860
 861 static void draft_all_messages(void)
 862 {
 863         GList *compose_list = NULL;
 864
 865         while ((compose_list = compose_get_compose_list()) != NULL) {
 866                 Compose *c = (Compose*)compose_list->data;
 867                 compose_draft(c);
 868         }
 869 }
 870
 871 gboolean clean_quit(gpointer data)
 872 {
 873         static gboolean firstrun = TRUE;
 874
 875         if (!firstrun) {
 876                 return FALSE;
 877         }
 878         firstrun = FALSE;
 879
 880         /*!< Good idea to have the main window stored in a
 881          *   static variable so we can check that variable
 882          *   to see if we're really allowed to do things
 883          *   that actually the spawner is supposed to
 884          *   do (like: sending mail, composing messages).
 885          *   Because, really, if we're the spawnee, and
 886          *   we touch GTK stuff, we're hosed. See the
 887          *   next fixme. */
 888
 889         /* FIXME: Use something else to signal that we're
 890          * in the original spawner, and not in a spawned
 891          * child. */
 892         if (!static_mainwindow) {
 893                 return FALSE;
 894         }
 895
 896         draft_all_messages();
 897
 898         exit_sylpheed(static_mainwindow);
 899         exit(0);
 900
 901         return FALSE;
 902 }
 903
 904 void app_will_exit(GtkWidget *widget, gpointer data)
 905 {
 906         MainWindow *mainwin = data;
 907
 908         if (compose_get_compose_list()) {
 909                 gint val = alertpanel(_("Really quit?"),
 910                                _("Composing message exists."),
 911                                _("_Save to Draft"), _("_Discard them"), _("Do_n't quit"));
 912                 switch (val) {
 913                         case G_ALERTOTHER:
 914                                 return;
 915                         case G_ALERTALTERNATE:
 916                                 break;
 917                         default:
 918                                 draft_all_messages();
 919                 }
 920
 921                 manage_window_focus_in(mainwin->window, NULL, NULL);
 922         }
 923
 924         if (prefs_common.warn_queued_on_exit && get_queued_message_num() > 0) {
 925                 if (alertpanel(_("Queued messages"),
 926                                _("Some unsent messages are queued. Exit now?"),
 927                                GTK_STOCK_CANCEL, GTK_STOCK_OK, NULL)
 928                     != G_ALERTALTERNATE) {
 929                         return;
 930                 }
 931                 manage_window_focus_in(mainwin->window, NULL, NULL);
 932         }
 933
 934         sock_cleanup();
 935
 936         gtk_main_quit();
 937 }
 938
 939 /*
 940  * CLAWS: want this public so crash dialog can delete the
 941  * lock file too
 942  */
 943 #ifndef CLAWS
 944 static
 945 #endif
 946 gchar *get_socket_name(void)
 947 {
 948         static gchar *filename = NULL;
 949
 950         if (filename == NULL) {
 951                 filename = g_strdup_printf("%s%csylpheed-claws-%d",
 952                                            g_get_tmp_dir(), G_DIR_SEPARATOR,
 953 #if HAVE_GETUID
 954                                            getuid());
 955 #else
 956                                            0);
 957 #endif
 958         }
 959
 960         return filename;
 961 }
 962
 963 static gchar *get_crashfile_name(void)
 964 {
 965         static gchar *filename = NULL;
 966
 967         if (filename == NULL) {
 968                 filename = g_strdup_printf("%s%csylpheed-crashed",
 969                                            get_tmp_dir(), G_DIR_SEPARATOR);
 970         }
 971
 972         return filename;
 973 }
 974
 975 static gint prohibit_duplicate_launch(void)
 976 {
 977         gint uxsock;
 978         gchar *path;
 979
 980         path = get_socket_name();
 981         uxsock = fd_connect_unix(path);
 982         if (uxsock < 0) {
 983                 g_unlink(path);
 984                 return fd_open_unix(path);
 985         }
 986
 987         /* remote command mode */
 988
 989         debug_print("another Sylpheed-Claws instance is already running.\n");
 990
 991         if (cmd.receive_all) {
 992                 fd_write_all(uxsock, "receive_all\n", 12);
 993         } else if (cmd.receive) {
 994                 fd_write_all(uxsock, "receive\n", 8);
 995         } else if (cmd.compose && cmd.attach_files) {
 996                 gchar *str, *compose_str;
 997                 gint i;
 998
 999                 if (cmd.compose_mailto) {
1000                         compose_str = g_strdup_printf("compose_attach %s\n",
1001                                                       cmd.compose_mailto);
1002                 } else {
1003                         compose_str = g_strdup("compose_attach\n");
1004                 }
1005
1006                 fd_write_all(uxsock, compose_str, strlen(compose_str));
1007                 g_free(compose_str);
1008
1009                 for (i = 0; i < cmd.attach_files->len; i++) {
1010                         str = g_ptr_array_index(cmd.attach_files, i);
1011                         fd_write_all(uxsock, str, strlen(str));
1012                         fd_write_all(uxsock, "\n", 1);
1013                 }
1014
1015                 fd_write_all(uxsock, ".\n", 2);
1016         } else if (cmd.compose) {
1017                 gchar *compose_str;
1018
1019                 if (cmd.compose_mailto) {
1020                         compose_str = g_strdup_printf
1021                                 ("compose %s\n", cmd.compose_mailto);
1022                 } else {
1023                         compose_str = g_strdup("compose\n");
1024                 }
1025
1026                 fd_write_all(uxsock, compose_str, strlen(compose_str));
1027                 g_free(compose_str);
1028         } else if (cmd.subscribe) {
1029                 gchar *str = g_strdup_printf("subscribe %s\n", cmd.subscribe_uri);
1030                 fd_write_all(uxsock, str, strlen(str));
1031                 g_free(str);
1032         } else if (cmd.send) {
1033                 fd_write_all(uxsock, "send\n", 5);
1034         } else if (cmd.online_mode == ONLINE_MODE_ONLINE) {
1035                 fd_write(uxsock, "online\n", 6);
1036         } else if (cmd.online_mode == ONLINE_MODE_OFFLINE) {
1037                 fd_write(uxsock, "offline\n", 7);
1038         } else if (cmd.status || cmd.status_full) {
1039                 gchar buf[BUFFSIZE];
1040                 gint i;
1041                 const gchar *command;
1042                 GPtrArray *folders;
1043                 gchar *folder;
1044
1045                 command = cmd.status_full ? "status-full\n" : "status\n";
1046                 folders = cmd.status_full ? cmd.status_full_folders :
1047                         cmd.status_folders;
1048
1049                 fd_write_all(uxsock, command, strlen(command));
1050                 for (i = 0; folders && i < folders->len; ++i) {
1051                         folder = g_ptr_array_index(folders, i);
1052                         fd_write_all(uxsock, folder, strlen(folder));
1053                         fd_write_all(uxsock, "\n", 1);
1054                 }
1055                 fd_write_all(uxsock, ".\n", 2);
1056                 for (;;) {
1057                         fd_gets(uxsock, buf, sizeof(buf));
1058                         if (!strncmp(buf, ".\n", 2)) break;
1059                         fputs(buf, stdout);
1060                 }
1061         } else if (cmd.exit) {
1062                 fd_write_all(uxsock, "exit\n", 5);
1063         } else if (cmd.target) {
1064                 gchar *str = g_strdup_printf("select %s\n", cmd.target);
1065                 fd_write_all(uxsock, str, strlen(str));
1066                 g_free(str);
1067         } else
1068                 fd_write_all(uxsock, "popup\n", 6);
1069
1070         fd_close(uxsock);
1071         return -1;
1072 }
1073
1074 static gint lock_socket_remove(void)
1075 {
1076 #ifdef G_OS_UNIX
1077         gchar *filename;
1078
1079         if (lock_socket < 0) {
1080                 return -1;
1081         }
1082
1083         if (lock_socket_tag > 0) {
1084                 gdk_input_remove(lock_socket_tag);
1085         }
1086         fd_close(lock_socket);
1087         filename = get_socket_name();
1088         g_unlink(filename);
1089 #endif
1090
1091         return 0;
1092 }
1093
1094 static GPtrArray *get_folder_item_list(gint sock)
1095 {
1096         gchar buf[BUFFSIZE];
1097         FolderItem *item;
1098         GPtrArray *folders = NULL;
1099
1100         for (;;) {
1101                 fd_gets(sock, buf, sizeof(buf));
1102                 if (!strncmp(buf, ".\n", 2)) {
1103                         break;
1104                 }
1105                 strretchomp(buf);
1106                 if (!folders) {
1107                         folders = g_ptr_array_new();
1108                 }
1109                 item = folder_find_item_from_identifier(buf);
1110                 if (item) {
1111                         g_ptr_array_add(folders, item);
1112                 } else {
1113                         g_warning("no such folder: %s\n", buf);
1114                 }
1115         }
1116
1117         return folders;
1118 }
1119
1120 static void lock_socket_input_cb(gpointer data,
1121                                  gint source,
1122                                  GdkInputCondition condition)
1123 {
1124         MainWindow *mainwin = (MainWindow *)data;
1125         gint sock;
1126         gchar buf[BUFFSIZE];
1127
1128         sock = fd_accept(source);
1129         fd_gets(sock, buf, sizeof(buf));
1130
1131         if (!strncmp(buf, "popup", 5)) {
1132                 main_window_popup(mainwin);
1133         } else if (!strncmp(buf, "receive_all", 11)) {
1134                 inc_all_account_mail(mainwin, FALSE,
1135                                      prefs_common.newmail_notify_manu);
1136         } else if (!strncmp(buf, "receive", 7)) {
1137                 inc_mail(mainwin, prefs_common.newmail_notify_manu);
1138         } else if (!strncmp(buf, "compose_attach", 14)) {
1139                 GPtrArray *files;
1140                 gchar *mailto;
1141
1142                 mailto = g_strdup(buf + strlen("compose_attach") + 1);
1143                 files = g_ptr_array_new();
1144                 while (fd_gets(sock, buf, sizeof(buf)) > 0) {
1145                         if (buf[0] == '.' && buf[1] == '\n') {
1146                                 break;
1147                         }
1148                         strretchomp(buf);
1149                         g_ptr_array_add(files, g_strdup(buf));
1150                 }
1151                 open_compose_new(mailto, files);
1152                 ptr_array_free_strings(files);
1153                 g_ptr_array_free(files, TRUE);
1154                 g_free(mailto);
1155         } else if (!strncmp(buf, "compose", 7)) {
1156                 open_compose_new(buf + strlen("compose") + 1, NULL);
1157         } else if (!strncmp(buf, "subscribe", 9)) {
1158                 main_window_popup(mainwin);
1159                 folder_subscribe(buf + strlen("subscribe") + 1);
1160         } else if (!strncmp(buf, "send", 4)) {
1161                 send_queue();
1162         } else if (!strncmp(buf, "online", 6)) {
1163                 main_window_toggle_work_offline(mainwin, FALSE, FALSE);
1164         } else if (!strncmp(buf, "offline", 7)) {
1165                 main_window_toggle_work_offline(mainwin, TRUE, FALSE);
1166         } else if (!strncmp(buf, "status-full", 11) ||
1167                    !strncmp(buf, "status", 6)) {
1168                 gchar *status;
1169                 GPtrArray *folders;
1170
1171                 folders = get_folder_item_list(sock);
1172                 status = folder_get_status
1173                         (folders, !strncmp(buf, "status-full", 11));
1174                 fd_write_all(sock, status, strlen(status));
1175                 fd_write_all(sock, ".\n", 2);
1176                 g_free(status);
1177                 if (folders) g_ptr_array_free(folders, TRUE);
1178         } else if (!strncmp(buf, "select ", 7)) {
1179                 const gchar *target = buf+7;
1180                 mainwindow_jump_to(target);
1181         } else if (!strncmp(buf, "exit", 4)) {
1182                 app_will_exit(NULL, mainwin);
1183         }
1184
1185         fd_close(sock);
1186 }
1187
1188 static void open_compose_new(const gchar *address, GPtrArray *attach_files)
1189 {
1190         gchar *addr = NULL;
1191
1192         if (address) {
1193                 Xstrdup_a(addr, address, return);
1194                 g_strstrip(addr);
1195         }
1196
1197         compose_new(NULL, addr, attach_files);
1198 }
1199
1200 static void send_queue(void)
1201 {
1202         GList *list;
1203
1204         for (list = folder_get_list(); list != NULL; list = list->next) {
1205                 Folder *folder = list->data;
1206
1207                 if (folder->queue) {
1208                         gint res = procmsg_send_queue
1209                                 (folder->queue, prefs_common.savemsg);
1210
1211                         if (res < 0) {
1212                                 alertpanel_error(_("Some errors occurred while sending queued messages."));
1213                         }
1214                         if (res) {
1215                                 folder_item_scan(folder->queue);
1216                         }
1217                 }
1218         }
1219 }
1220
1221 static void quit_signal_handler(int sig)
1222 {
1223         debug_print("Quitting on signal %d\n", sig);
1224
1225         g_timeout_add(0, clean_quit, NULL);
1226 }
1227
1228 static void install_basic_sighandlers()
1229 {
1230 #ifndef G_OS_WIN32
1231         sigset_t    mask;
1232         struct sigaction act;
1233
1234         sigemptyset(&mask);
1235
1236 #ifdef SIGTERM
1237         sigaddset(&mask, SIGTERM);
1238 #endif
1239 #ifdef SIGINT
1240         sigaddset(&mask, SIGINT);
1241 #endif
1242 #ifdef SIGHUP
1243         sigaddset(&mask, SIGHUP);
1244 #endif
1245
1246         act.sa_handler = quit_signal_handler;
1247         act.sa_mask    = mask;
1248         act.sa_flags   = 0;
1249
1250 #ifdef SIGTERM
1251         sigaction(SIGTERM, &act, 0);
1252 #endif
1253 #ifdef SIGINT
1254         sigaction(SIGINT, &act, 0);
1255 #endif
1256 #ifdef SIGHUP
1257         sigaction(SIGHUP, &act, 0);
1258 #endif
1259
1260         sigprocmask(SIG_UNBLOCK, &mask, 0);
1261 #endif /* !G_OS_WIN32 */
1262 }