src/main.c

   1 /*
   2  * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
   3  * Copyright (C) 1999-2004 Hiroyuki Yamamoto
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; either version 2 of the License, or
   8  * (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License
  16  * along with this program; if not, write to the Free Software
  17  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  18  */
  19
  20 #ifdef HAVE_CONFIG_H
  21 #  include "config.h"
  22 #endif
  23
  24 #include "defs.h"
  25
  26 #include <glib.h>
  27 #include <gtk/gtkmain.h>
  28 #include <gtk/gtkrc.h>
  29
  30 #include <stdio.h>
  31 #include <stdlib.h>
  32 #include <string.h>
  33 #include <ctype.h>
  34 #include <unistd.h>
  35 #include <time.h>
  36 #include <sys/stat.h>
  37 #include <sys/types.h>
  38 #include <signal.h>
  39 #include "wizard.h"
  40 #ifdef HAVE_STARTUP_NOTIFICATION
  41 # define SN_API_NOT_YET_FROZEN
  42 # include <libsn/sn-launchee.h>
  43 # include <gdk/gdkx.h>
  44 #endif
  45
  46 #include "sylpheed.h"
  47 #include "intl.h"
  48 #include "main.h"
  49 #include "mainwindow.h"
  50 #include "folderview.h"
  51 #include "summaryview.h"
  52 #include "prefs_common.h"
  53 #include "prefs_account.h"
  54 #include "prefs_actions.h"
  55 #include "prefs_ext_prog.h"
  56 #include "prefs_fonts.h"
  57 #include "prefs_msg_colors.h"
  58 #include "prefs_spelling.h"
  59 #include "prefs_themes.h"
  60 #include "prefs_wrapping.h"
  61 #include "prefs_display_header.h"
  62 #include "account.h"
  63 #include "procmsg.h"
  64 #include "inc.h"
  65 #include "import.h"
  66 #include "manage_window.h"
  67 #include "alertpanel.h"
  68 #include "statusbar.h"
  69 #include "addressbook.h"
  70 #include "compose.h"
  71 #include "folder.h"
  72 #include "setup.h"
  73 #include "utils.h"
  74 #include "gtkutils.h"
  75 #include "socket.h"
  76 #include "log.h"
  77 #include "prefs_toolbar.h"
  78 #include "plugin.h"
  79 #include "mh_gtk.h"
  80 #include "imap_gtk.h"
  81 #include "news_gtk.h"
  82 #include "matcher.h"
  83
  84 #if USE_OPENSSL
  85 #  include "ssl.h"
  86 #endif
  87
  88 #include "version.h"
  89
  90 #include "crash.h"
  91
  92 gchar *prog_version;
  93 #ifdef CRASH_DIALOG
  94 gchar *argv0;
  95 #endif
  96
  97 #ifdef HAVE_STARTUP_NOTIFICATION
  98 static SnLauncheeContext *sn_context = NULL;
  99 static SnDisplay *sn_display = NULL;
 100 #endif
 101
 102 static gint lock_socket = -1;
 103 static gint lock_socket_tag = 0;
 104
 105 typedef enum
 106 {
 107         ONLINE_MODE_DONT_CHANGE,
 108         ONLINE_MODE_ONLINE,
 109         ONLINE_MODE_OFFLINE
 110 } OnlineMode;
 111
 112 static struct RemoteCmd {
 113         gboolean receive;
 114         gboolean receive_all;
 115         gboolean compose;
 116         const gchar *compose_mailto;
 117         GPtrArray *attach_files;
 118         gboolean status;
 119         gboolean status_full;
 120         GPtrArray *status_folders;
 121         GPtrArray *status_full_folders;
 122         gboolean send;
 123         gboolean crash;
 124         int online_mode;
 125         gchar   *crash_params;
 126 } cmd;
 127
 128 static void parse_cmd_opt(int argc, char *argv[]);
 129
 130 static gint prohibit_duplicate_launch   (void);
 131 static gchar * get_crashfile_name       (void);
 132 static gint lock_socket_remove          (void);
 133 static void lock_socket_input_cb        (gpointer          data,
 134                                          gint              source,
 135                                          GdkInputCondition condition);
 136 #ifndef CLAWS
 137 static
 138 #endif
 139 gchar *get_socket_name          (void);
 140
 141
 142 static void open_compose_new            (const gchar    *address,
 143                                          GPtrArray      *attach_files);
 144
 145 static void send_queue                  (void);
 146 static void initial_processing          (FolderItem *item, gpointer data);
 147 static void quit_signal_handler         (int sig);
 148 static void install_basic_sighandlers   (void);
 149 static void exit_sylpheed               (MainWindow *mainwin);
 150
 151 #if 0
 152 /* for gettext */
 153 _("File `%s' already exists.\n"
 154   "Can't create folder.")
 155 #endif
 156
 157 #define MAKE_DIR_IF_NOT_EXIST(dir) \
 158 { \
 159         if (!is_dir_exist(dir)) { \
 160                 if (is_file_exist(dir)) { \
 161                         alertpanel_warning \
 162                                 (_("File `%s' already exists.\n" \
 163                                    "Can't create folder."), \
 164                                  dir); \
 165                         return 1; \
 166                 } \
 167                 if (make_dir(dir) < 0) \
 168                         return 1; \
 169         } \
 170 }
 171
 172 static MainWindow *static_mainwindow;
 173
 174 #ifdef HAVE_STARTUP_NOTIFICATION
 175 static void sn_error_trap_push(SnDisplay *display, Display *xdisplay)
 176 {
 177         gdk_error_trap_push();
 178 }
 179
 180 static void sn_error_trap_pop(SnDisplay *display, Display *xdisplay)
 181 {
 182         gdk_error_trap_pop();
 183 }
 184
 185 static void startup_notification_complete(gboolean with_window)
 186 {
 187         Display *xdisplay;
 188         GtkWidget *hack = NULL;
 189
 190         if (with_window) {
 191                 /* this is needed to make the startup notification leave,
 192                  * if we have been launched from a menu.
 193                  * We have to display a window, so let it be very little */
 194                 hack = gtk_window_new(GTK_WINDOW_POPUP);
 195                 gtk_widget_set_uposition(hack, 0, 0);
 196                 gtk_widget_set_usize(hack, 1, 1);
 197                 gtk_widget_show(hack);
 198         }
 199
 200         xdisplay = GDK_DISPLAY();
 201         sn_display = sn_display_new(xdisplay,
 202                                 sn_error_trap_push,
 203                                 sn_error_trap_pop);
 204         sn_context = sn_launchee_context_new_from_environment(sn_display,
 205                                                  DefaultScreen(xdisplay));
 206
 207         if (sn_context != NULL)
 208         {
 209                 sn_launchee_context_complete(sn_context);
 210                 sn_launchee_context_unref(sn_context);
 211                 sn_display_unref(sn_display);
 212         }
 213 }
 214 #endif /* HAVE_STARTUP_NOTIFICATION */
 215
 216 void sylpheed_gtk_idle(void)
 217 {
 218         while(gtk_events_pending())
 219                 gtk_main_iteration();
 220 }
 221
 222 int main(int argc, char *argv[])
 223 {
 224         gchar *userrc;
 225         MainWindow *mainwin;
 226         FolderView *folderview;
 227
 228         if (!sylpheed_init(&argc, &argv)) {
 229                 return 0;
 230         }
 231
 232         prog_version = PROG_VERSION;
 233 #ifdef CRASH_DIALOG
 234         argv0 = g_strdup(argv[0]);
 235 #endif
 236
 237         parse_cmd_opt(argc, argv);
 238
 239 #ifdef CRASH_DIALOG
 240         if (cmd.crash) {
 241                 gtk_set_locale();
 242                 gtk_init(&argc, &argv);
 243                 crash_main(cmd.crash_params);
 244                 return 0;
 245         }
 246         crash_install_handlers();
 247 #endif
 248         install_basic_sighandlers();
 249
 250         /* check and create unix domain socket */
 251         lock_socket = prohibit_duplicate_launch();
 252         if (lock_socket < 0) {
 253 #ifdef HAVE_STARTUP_NOTIFICATION
 254                 if(gtk_init_check(&argc, &argv))
 255                         startup_notification_complete(TRUE);
 256 #endif
 257                 return 0;
 258         }
 259
 260         if (cmd.status || cmd.status_full) {
 261                 puts("0 Sylpheed not running.");
 262                 lock_socket_remove();
 263                 return 0;
 264         }
 265
 266         gtk_set_locale();
 267         gtk_init(&argc, &argv);
 268
 269         gdk_rgb_init();
 270         gtk_widget_set_default_colormap(gdk_rgb_get_cmap());
 271         gtk_widget_set_default_visual(gdk_rgb_get_visual());
 272
 273 #if USE_THREADS || USE_LDAP
 274         g_thread_init(NULL);
 275         if (!g_thread_supported())
 276                 g_error(_("g_thread is not supported by glib.\n"));
 277 #endif
 278
 279         /* parse gtkrc files */
 280         userrc = g_strconcat(get_home_dir(), G_DIR_SEPARATOR_S, ".gtkrc-2.0",
 281                              NULL);
 282         gtk_rc_parse(userrc);
 283         g_free(userrc);
 284         userrc = g_strconcat(get_home_dir(), G_DIR_SEPARATOR_S, ".gtk",
 285                              G_DIR_SEPARATOR_S, "gtkrc-2.0", NULL);
 286         gtk_rc_parse(userrc);
 287         g_free(userrc);
 288         userrc = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S, "gtkrc-2.0", NULL);
 289         gtk_rc_parse(userrc);
 290         g_free(userrc);
 291
 292         userrc = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S, MENU_RC, NULL);
 293         gtk_accel_map_load (userrc);
 294         g_free(userrc);
 295
 296         gtk_settings_set_long_property(gtk_settings_get_default(),
 297                                        "gtk-can-change-accels",
 298                                        (glong)TRUE, "XProperty");
 299
 300         CHDIR_RETURN_VAL_IF_FAIL(get_home_dir(), 1);
 301
 302         MAKE_DIR_IF_NOT_EXIST(RC_DIR);
 303         MAKE_DIR_IF_NOT_EXIST(get_imap_cache_dir());
 304         MAKE_DIR_IF_NOT_EXIST(get_news_cache_dir());
 305         MAKE_DIR_IF_NOT_EXIST(get_mime_tmp_dir());
 306         MAKE_DIR_IF_NOT_EXIST(get_tmp_dir());
 307         MAKE_DIR_IF_NOT_EXIST(RC_DIR G_DIR_SEPARATOR_S "uidl");
 308
 309         set_log_file(RC_DIR G_DIR_SEPARATOR_S "sylpheed.log");
 310
 311         folder_system_init();
 312         prefs_common_init();
 313         prefs_common_read_config();
 314
 315         prefs_themes_init();
 316         prefs_fonts_init();
 317         prefs_ext_prog_init();
 318         prefs_wrapping_init();
 319         prefs_msg_colors_init();
 320 #ifdef USE_ASPELL
 321         gtkaspell_checkers_init();
 322         prefs_spelling_init();
 323 #endif
 324
 325         sock_set_io_timeout(prefs_common.io_timeout_secs);
 326
 327         prefs_actions_read_config();
 328         prefs_display_header_read_config();
 329         /* prefs_filtering_read_config(); */
 330         addressbook_read_file();
 331         renderer_read_config();
 332
 333         gtkut_widget_init();
 334
 335         folderview_initialize();
 336         mh_gtk_init();
 337         imap_gtk_init();
 338         news_gtk_init();
 339
 340         mainwin = main_window_create
 341                 (prefs_common.sep_folder | prefs_common.sep_msg << 1);
 342         folderview = mainwin->folderview;
 343
 344         /* register the callback of unix domain socket input */
 345         lock_socket_tag = gdk_input_add(lock_socket,
 346                                         GDK_INPUT_READ | GDK_INPUT_EXCEPTION,
 347                                         lock_socket_input_cb,
 348                                         mainwin);
 349
 350         prefs_account_init();
 351         account_read_config_all();
 352
 353         if (folder_read_list() < 0) {
 354                 if (!run_wizard(mainwin, TRUE))
 355                         exit(1);
 356                 folder_write_list();
 357         }
 358
 359         if (!account_get_list()) {
 360                 if (!run_wizard(mainwin, FALSE))
 361                         exit(1);
 362                 account_read_config_all();
 363                 if(!account_get_list())
 364                         exit_sylpheed(mainwin);
 365         }
 366
 367         account_set_missing_folder();
 368         folder_set_missing_folders();
 369         folderview_set(folderview);
 370
 371         prefs_matcher_read_config();
 372
 373         /* make one all-folder processing before using sylpheed */
 374         main_window_cursor_wait(mainwin);
 375         folder_func_to_all_folders(initial_processing, (gpointer *)mainwin);
 376         main_window_cursor_normal(mainwin);
 377
 378         /* if Sylpheed crashed, rebuild caches */
 379         if (!cmd.crash && is_file_exist(get_crashfile_name())) {
 380                 debug_print("Sylpheed crashed, checking for new messages in local folders\n");
 381                 folderview_check_new(NULL);
 382         }
 383         /* make the crash-indicator file */
 384         str_write_to_file("foo", get_crashfile_name());
 385
 386         addressbook_read_file();
 387
 388         inc_autocheck_timer_init(mainwin);
 389
 390         /* ignore SIGPIPE signal for preventing sudden death of program */
 391         signal(SIGPIPE, SIG_IGN);
 392
 393         if (cmd.online_mode == ONLINE_MODE_OFFLINE)
 394                 main_window_toggle_work_offline(mainwin, TRUE);
 395         if (cmd.online_mode == ONLINE_MODE_ONLINE)
 396                 main_window_toggle_work_offline(mainwin, FALSE);
 397
 398         if (cmd.receive_all)
 399                 inc_all_account_mail(mainwin, FALSE,
 400                                      prefs_common.newmail_notify_manu);
 401         else if (prefs_common.chk_on_startup)
 402                 inc_all_account_mail(mainwin, TRUE,
 403                                      prefs_common.newmail_notify_manu);
 404         else if (cmd.receive)
 405                 inc_mail(mainwin, prefs_common.newmail_notify_manu);
 406         else
 407                 gtk_widget_grab_focus(folderview->ctree);
 408
 409         if (cmd.compose)
 410                 open_compose_new(cmd.compose_mailto, cmd.attach_files);
 411         if (cmd.attach_files) {
 412                 ptr_array_free_strings(cmd.attach_files);
 413                 g_ptr_array_free(cmd.attach_files, TRUE);
 414                 cmd.attach_files = NULL;
 415         }
 416         if (cmd.send)
 417                 send_queue();
 418         if (cmd.status_folders) {
 419                 g_ptr_array_free(cmd.status_folders, TRUE);
 420                 cmd.status_folders = NULL;
 421         }
 422         if (cmd.status_full_folders) {
 423                 g_ptr_array_free(cmd.status_full_folders, TRUE);
 424                 cmd.status_full_folders = NULL;
 425         }
 426
 427         sylpheed_register_idle_function(sylpheed_gtk_idle);
 428
 429         prefs_toolbar_init();
 430
 431         plugin_load_all("GTK2");
 432
 433         static_mainwindow = mainwin;
 434
 435 #ifdef HAVE_STARTUP_NOTIFICATION
 436         startup_notification_complete(FALSE);
 437 #endif
 438         gtk_main();
 439
 440         exit_sylpheed(mainwin);
 441
 442         return 0;
 443 }
 444
 445 static void save_all_caches(FolderItem *item, gpointer data)
 446 {
 447         if (!item->cache)
 448                 return;
 449         folder_item_write_cache(item);
 450 }
 451
 452 static void exit_sylpheed(MainWindow *mainwin)
 453 {
 454         gchar *filename;
 455
 456         debug_print("shutting down\n");
 457
 458         inc_autocheck_timer_remove();
 459
 460         if (prefs_common.clean_on_exit)
 461                 main_window_empty_trash(mainwin, prefs_common.ask_on_clean);
 462
 463         /* save prefs for opened folder */
 464         if(mainwin->folderview->opened)
 465         {
 466                 FolderItem *item;
 467
 468                 item = gtk_ctree_node_get_row_data(GTK_CTREE(mainwin->folderview->ctree), mainwin->folderview->opened);
 469                 summary_save_prefs_to_folderitem(mainwin->folderview->summaryview, item);
 470         }
 471
 472         /* save all state before exiting */
 473         folder_write_list();
 474         folder_func_to_all_folders(save_all_caches, NULL);
 475
 476         main_window_get_size(mainwin);
 477         main_window_get_position(mainwin);
 478         prefs_common_write_config();
 479         account_write_config_all();
 480         addressbook_export_to_file();
 481
 482         filename = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S, MENU_RC, NULL);
 483         gtk_accel_map_save(filename);
 484         g_free(filename);
 485
 486         /* delete temporary files */
 487         remove_all_files(get_mime_tmp_dir());
 488
 489         close_log_file();
 490
 491         /* delete crashfile */
 492         if (!cmd.crash)
 493                 unlink(get_crashfile_name());
 494
 495         lock_socket_remove();
 496
 497         main_window_destroy(mainwin);
 498
 499         plugin_unload_all("GTK2");
 500
 501         prefs_toolbar_done();
 502
 503         addressbook_destroy();
 504
 505         prefs_themes_done();
 506         prefs_fonts_done();
 507         prefs_ext_prog_done();
 508         prefs_wrapping_done();
 509         prefs_msg_colors_done();
 510 #ifdef USE_ASPELL
 511         prefs_spelling_done();
 512         gtkaspell_checkers_quit();
 513 #endif
 514         sylpheed_done();
 515
 516 }
 517
 518 static void parse_cmd_opt(int argc, char *argv[])
 519 {
 520         gint i;
 521
 522         for (i = 1; i < argc; i++) {
 523                 if (!strncmp(argv[i], "--receive-all", 13))
 524                         cmd.receive_all = TRUE;
 525                 else if (!strncmp(argv[i], "--receive", 9))
 526                         cmd.receive = TRUE;
 527                 else if (!strncmp(argv[i], "--compose", 9)) {
 528                         const gchar *p = argv[i + 1];
 529
 530                         cmd.compose = TRUE;
 531                         cmd.compose_mailto = NULL;
 532                         if (p && *p != '\0' && *p != '-') {
 533                                 if (!strncmp(p, "mailto:", 7))
 534                                         cmd.compose_mailto = p + 7;
 535                                 else
 536                                         cmd.compose_mailto = p;
 537                                 i++;
 538                         }
 539                 } else if (!strncmp(argv[i], "--attach", 8)) {
 540                         const gchar *p = argv[i + 1];
 541                         gchar *file;
 542
 543                         while (p && *p != '\0' && *p != '-') {
 544                                 if (!cmd.attach_files)
 545                                         cmd.attach_files = g_ptr_array_new();
 546                                 if (*p != G_DIR_SEPARATOR)
 547                                         file = g_strconcat(sylpheed_get_startup_dir(),
 548                                                            G_DIR_SEPARATOR_S,
 549                                                            p, NULL);
 550                                 else
 551                                         file = g_strdup(p);
 552                                 g_ptr_array_add(cmd.attach_files, file);
 553                                 i++;
 554                                 p = argv[i + 1];
 555                         }
 556                 } else if (!strncmp(argv[i], "--send", 6)) {
 557                         cmd.send = TRUE;
 558                 } else if (!strncmp(argv[i], "--version", 9)) {
 559                         puts("Sylpheed version " VERSION);
 560                         exit(0);
 561                 } else if (!strncmp(argv[i], "--status-full", 13)) {
 562                         const gchar *p = argv[i + 1];
 563
 564                         cmd.status_full = TRUE;
 565                         while (p && *p != '\0' && *p != '-') {
 566                                 if (!cmd.status_full_folders)
 567                                         cmd.status_full_folders =
 568                                                 g_ptr_array_new();
 569                                 g_ptr_array_add(cmd.status_full_folders,
 570                                                 g_strdup(p));
 571                                 i++;
 572                                 p = argv[i + 1];
 573                         }
 574                 } else if (!strncmp(argv[i], "--status", 8)) {
 575                         const gchar *p = argv[i + 1];
 576
 577                         cmd.status = TRUE;
 578                         while (p && *p != '\0' && *p != '-') {
 579                                 if (!cmd.status_folders)
 580                                         cmd.status_folders = g_ptr_array_new();
 581                                 g_ptr_array_add(cmd.status_folders,
 582                                                 g_strdup(p));
 583                                 i++;
 584                                 p = argv[i + 1];
 585                         }
 586                 } else if (!strncmp(argv[i], "--online", 8)) {
 587                         cmd.online_mode = ONLINE_MODE_ONLINE;
 588                 } else if (!strncmp(argv[i], "--offline", 9)) {
 589                         cmd.online_mode = ONLINE_MODE_OFFLINE;
 590                 } else if (!strncmp(argv[i], "--help", 6)) {
 591                         gchar *base = g_path_get_basename(argv[0]);
 592                         g_print(_("Usage: %s [OPTION]...\n"), base);
 593
 594                         puts(_("  --compose [address]    open composition window"));
 595                         puts(_("  --attach file1 [file2]...\n"
 596                                "                         open composition window with specified files\n"
 597                                "                         attached"));
 598                         puts(_("  --receive              receive new messages"));
 599                         puts(_("  --receive-all          receive new messages of all accounts"));
 600                         puts(_("  --send                 send all queued messages"));
 601                         puts(_("  --status [folder]...   show the total number of messages"));
 602                         puts(_("  --status-full [folder]...\n"
 603                                "                         show the status of each folder"));
 604                         puts(_("  --online               switch to online mode"));
 605                         puts(_("  --offline              switch to offline mode"));
 606                         puts(_("  --debug                debug mode"));
 607                         puts(_("  --help                 display this help and exit"));
 608                         puts(_("  --version              output version information and exit"));
 609                         puts(_("  --config-dir           output configuration directory"));
 610
 611                         g_free(base);
 612                         exit(1);
 613                 } else if (!strncmp(argv[i], "--crash", 7)) {
 614                         cmd.crash = TRUE;
 615                         cmd.crash_params = g_strdup(argv[i + 1]);
 616                         i++;
 617                 } else if (!strncmp(argv[i], "--config-dir", sizeof "--config-dir" - 1)) {
 618                         puts(RC_DIR);
 619                         exit(0);
 620                 }
 621
 622         }
 623
 624         if (cmd.attach_files && cmd.compose == FALSE) {
 625                 cmd.compose = TRUE;
 626                 cmd.compose_mailto = NULL;
 627         }
 628 }
 629
 630 static gint get_queued_message_num(void)
 631 {
 632         FolderItem *queue;
 633
 634         queue = folder_get_default_queue();
 635         if (!queue) return -1;
 636
 637         folder_item_scan(queue);
 638         return queue->total_msgs;
 639 }
 640
 641 static void initial_processing(FolderItem *item, gpointer data)
 642 {
 643         MainWindow *mainwin = (MainWindow *)data;
 644         gchar *buf;
 645
 646         g_return_if_fail(item);
 647         buf = g_strdup_printf(_("Processing (%s)..."),
 648                               item->path
 649                               ? item->path
 650                               : _("top level folder"));
 651         debug_print("%s\n", buf);
 652         g_free(buf);
 653
 654
 655         if (item->prefs->enable_processing)
 656                 folder_item_apply_processing(item);
 657
 658         debug_print("done.\n");
 659         STATUSBAR_POP(mainwin);
 660 }
 661
 662 static void draft_all_messages(void)
 663 {
 664         GList *compose_list = compose_get_compose_list();
 665         GList *elem = NULL;
 666
 667         if (compose_list) {
 668                 for (elem = compose_list; elem != NULL && elem->data != NULL;
 669                      elem = elem->next) {
 670                         Compose *c = (Compose*)elem->data;
 671                         compose_draft(c);
 672                 }
 673         }
 674 }
 675
 676 gboolean clean_quit(gpointer data)
 677 {
 678         static gboolean firstrun = TRUE;
 679
 680         if (!firstrun)
 681                 return FALSE;
 682         firstrun = FALSE;
 683
 684         /*!< Good idea to have the main window stored in a
 685          *   static variable so we can check that variable
 686          *   to see if we're really allowed to do things
 687          *   that actually the spawner is supposed to
 688          *   do (like: sending mail, composing messages).
 689          *   Because, really, if we're the spawnee, and
 690          *   we touch GTK stuff, we're hosed. See the
 691          *   next fixme. */
 692
 693         /* FIXME: Use something else to signal that we're
 694          * in the original spawner, and not in a spawned
 695          * child. */
 696         if (!static_mainwindow)
 697                 return FALSE;
 698
 699         draft_all_messages();
 700
 701         exit_sylpheed(static_mainwindow);
 702         exit(0);
 703
 704         return FALSE;
 705 }
 706
 707 void app_will_exit(GtkWidget *widget, gpointer data)
 708 {
 709         MainWindow *mainwin = data;
 710
 711         if (compose_get_compose_list()) {
 712                 gint val = alertpanel(_("Really quit?"),
 713                                _("Composing message exists."),
 714                                _("Draft them"), _("Discard them"), _("Don't quit"));
 715                 switch (val) {
 716                         case G_ALERTOTHER:
 717                                 return;
 718                         case G_ALERTALTERNATE:
 719                                 break;
 720                         default:
 721                                 draft_all_messages();
 722                 }
 723
 724                 manage_window_focus_in(mainwin->window, NULL, NULL);
 725         }
 726
 727         if (prefs_common.warn_queued_on_exit && get_queued_message_num() > 0) {
 728                 if (alertpanel(_("Queued messages"),
 729                                _("Some unsent messages are queued. Exit now?"),
 730                                _("OK"), _("Cancel"), NULL) != G_ALERTDEFAULT)
 731                         return;
 732                 manage_window_focus_in(mainwin->window, NULL, NULL);
 733         }
 734         gtk_main_quit();
 735 }
 736
 737 /*
 738  * CLAWS: want this public so crash dialog can delete the
 739  * lock file too
 740  */
 741 #ifndef CLAWS
 742 static
 743 #endif
 744 gchar *get_socket_name(void)
 745 {
 746         static gchar *filename = NULL;
 747
 748         if (filename == NULL) {
 749                 filename = g_strdup_printf("%s%csylpheed-%d",
 750                                            g_get_tmp_dir(), G_DIR_SEPARATOR,
 751                                            getuid());
 752         }
 753
 754         return filename;
 755 }
 756
 757 static gchar *get_crashfile_name(void)
 758 {
 759         static gchar *filename = NULL;
 760
 761         if (filename == NULL) {
 762                 filename = g_strdup_printf("%s%csylpheed-crashed",
 763                                            get_tmp_dir(), G_DIR_SEPARATOR);
 764         }
 765
 766         return filename;
 767 }
 768
 769 static gint prohibit_duplicate_launch(void)
 770 {
 771         gint uxsock;
 772         gchar *path;
 773
 774         path = get_socket_name();
 775         uxsock = fd_connect_unix(path);
 776         if (uxsock < 0) {
 777                 unlink(path);
 778                 return fd_open_unix(path);
 779         }
 780
 781         /* remote command mode */
 782
 783         debug_print("another Sylpheed is already running.\n");
 784
 785         if (cmd.receive_all)
 786                 fd_write_all(uxsock, "receive_all\n", 12);
 787         else if (cmd.receive)
 788                 fd_write_all(uxsock, "receive\n", 8);
 789         else if (cmd.compose && cmd.attach_files) {
 790                 gchar *str, *compose_str;
 791                 gint i;
 792
 793                 if (cmd.compose_mailto)
 794                         compose_str = g_strdup_printf("compose_attach %s\n",
 795                                                       cmd.compose_mailto);
 796                 else
 797                         compose_str = g_strdup("compose_attach\n");
 798
 799                 fd_write_all(uxsock, compose_str, strlen(compose_str));
 800                 g_free(compose_str);
 801
 802                 for (i = 0; i < cmd.attach_files->len; i++) {
 803                         str = g_ptr_array_index(cmd.attach_files, i);
 804                         fd_write_all(uxsock, str, strlen(str));
 805                         fd_write_all(uxsock, "\n", 1);
 806                 }
 807
 808                 fd_write_all(uxsock, ".\n", 2);
 809         } else if (cmd.compose) {
 810                 gchar *compose_str;
 811
 812                 if (cmd.compose_mailto)
 813                         compose_str = g_strdup_printf
 814                                 ("compose %s\n", cmd.compose_mailto);
 815                 else
 816                         compose_str = g_strdup("compose\n");
 817
 818                 fd_write_all(uxsock, compose_str, strlen(compose_str));
 819                 g_free(compose_str);
 820         } else if (cmd.send) {
 821                 fd_write_all(uxsock, "send\n", 5);
 822         } else if (cmd.online_mode == ONLINE_MODE_ONLINE) {
 823                 fd_write(uxsock, "online\n", 6);
 824         } else if (cmd.online_mode == ONLINE_MODE_OFFLINE) {
 825                 fd_write(uxsock, "offline\n", 7);
 826         } else if (cmd.status || cmd.status_full) {
 827                 gchar buf[BUFFSIZE];
 828                 gint i;
 829                 const gchar *command;
 830                 GPtrArray *folders;
 831                 gchar *folder;
 832
 833                 command = cmd.status_full ? "status-full\n" : "status\n";
 834                 folders = cmd.status_full ? cmd.status_full_folders :
 835                         cmd.status_folders;
 836
 837                 fd_write_all(uxsock, command, strlen(command));
 838                 for (i = 0; folders && i < folders->len; ++i) {
 839                         folder = g_ptr_array_index(folders, i);
 840                         fd_write_all(uxsock, folder, strlen(folder));
 841                         fd_write_all(uxsock, "\n", 1);
 842                 }
 843                 fd_write_all(uxsock, ".\n", 2);
 844                 for (;;) {
 845                         fd_gets(uxsock, buf, sizeof(buf));
 846                         if (!strncmp(buf, ".\n", 2)) break;
 847                         fputs(buf, stdout);
 848                 }
 849         } else
 850                 fd_write_all(uxsock, "popup\n", 6);
 851
 852         fd_close(uxsock);
 853         return -1;
 854 }
 855
 856 static gint lock_socket_remove(void)
 857 {
 858         gchar *filename;
 859
 860         if (lock_socket < 0) return -1;
 861
 862         if (lock_socket_tag > 0)
 863                 gdk_input_remove(lock_socket_tag);
 864         fd_close(lock_socket);
 865         filename = get_socket_name();
 866         unlink(filename);
 867
 868         return 0;
 869 }
 870
 871 static GPtrArray *get_folder_item_list(gint sock)
 872 {
 873         gchar buf[BUFFSIZE];
 874         FolderItem *item;
 875         GPtrArray *folders = NULL;
 876
 877         for (;;) {
 878                 fd_gets(sock, buf, sizeof(buf));
 879                 if (!strncmp(buf, ".\n", 2)) break;
 880                 strretchomp(buf);
 881                 if (!folders) folders = g_ptr_array_new();
 882                 item = folder_find_item_from_identifier(buf);
 883                 if (item)
 884                         g_ptr_array_add(folders, item);
 885                 else
 886                         g_warning("no such folder: %s\n", buf);
 887         }
 888
 889         return folders;
 890 }
 891
 892 static void lock_socket_input_cb(gpointer data,
 893                                  gint source,
 894                                  GdkInputCondition condition)
 895 {
 896         MainWindow *mainwin = (MainWindow *)data;
 897         gint sock;
 898         gchar buf[BUFFSIZE];
 899
 900         sock = fd_accept(source);
 901         fd_gets(sock, buf, sizeof(buf));
 902
 903         if (!strncmp(buf, "popup", 5)) {
 904                 main_window_popup(mainwin);
 905         } else if (!strncmp(buf, "receive_all", 11)) {
 906                 inc_all_account_mail(mainwin, FALSE,
 907                                      prefs_common.newmail_notify_manu);
 908         } else if (!strncmp(buf, "receive", 7)) {
 909                 inc_mail(mainwin, prefs_common.newmail_notify_manu);
 910         } else if (!strncmp(buf, "compose_attach", 14)) {
 911                 GPtrArray *files;
 912                 gchar *mailto;
 913
 914                 mailto = g_strdup(buf + strlen("compose_attach") + 1);
 915                 files = g_ptr_array_new();
 916                 while (fd_gets(sock, buf, sizeof(buf)) > 0) {
 917                         if (buf[0] == '.' && buf[1] == '\n') break;
 918                         strretchomp(buf);
 919                         g_ptr_array_add(files, g_strdup(buf));
 920                 }
 921                 open_compose_new(mailto, files);
 922                 ptr_array_free_strings(files);
 923                 g_ptr_array_free(files, TRUE);
 924                 g_free(mailto);
 925         } else if (!strncmp(buf, "compose", 7)) {
 926                 open_compose_new(buf + strlen("compose") + 1, NULL);
 927         } else if (!strncmp(buf, "send", 4)) {
 928                 send_queue();
 929         } else if (!strncmp(buf, "online", 6)) {
 930                 main_window_toggle_work_offline(mainwin, FALSE);
 931         } else if (!strncmp(buf, "offline", 7)) {
 932                 main_window_toggle_work_offline(mainwin, TRUE);
 933         } else if (!strncmp(buf, "status-full", 11) ||
 934                    !strncmp(buf, "status", 6)) {
 935                 gchar *status;
 936                 GPtrArray *folders;
 937
 938                 folders = get_folder_item_list(sock);
 939                 status = folder_get_status
 940                         (folders, !strncmp(buf, "status-full", 11));
 941                 fd_write_all(sock, status, strlen(status));
 942                 fd_write_all(sock, ".\n", 2);
 943                 g_free(status);
 944                 if (folders) g_ptr_array_free(folders, TRUE);
 945         }
 946
 947         fd_close(sock);
 948 }
 949
 950 static void open_compose_new(const gchar *address, GPtrArray *attach_files)
 951 {
 952         gchar *addr = NULL;
 953
 954         if (address) {
 955                 Xstrdup_a(addr, address, return);
 956                 g_strstrip(addr);
 957         }
 958
 959         compose_new(NULL, addr, attach_files);
 960 }
 961
 962 static void send_queue(void)
 963 {
 964         GList *list;
 965
 966         for (list = folder_get_list(); list != NULL; list = list->next) {
 967                 Folder *folder = list->data;
 968
 969                 if (folder->queue) {
 970                         gint res = procmsg_send_queue
 971                                 (folder->queue, prefs_common.savemsg);
 972
 973                         if (res < 0)
 974                                 alertpanel_error(_("Some errors occurred while sending queued messages."));
 975                         if (res)
 976                                 folder_item_scan(folder->queue);
 977                 }
 978         }
 979 }
 980
 981 static void quit_signal_handler(int sig)
 982 {
 983         debug_print("Quitting on signal %d\n", sig);
 984
 985         g_timeout_add(0, clean_quit, NULL);
 986 }
 987
 988 static void install_basic_sighandlers()
 989 {
 990         sigset_t    mask;
 991         struct sigaction act;
 992
 993         sigemptyset(&mask);
 994
 995 #ifdef SIGTERM
 996         sigaddset(&mask, SIGTERM);
 997 #endif
 998 #ifdef SIGINT
 999         sigaddset(&mask, SIGINT);
1000 #endif
1001 #ifdef SIGHUP
1002         sigaddset(&mask, SIGHUP);
1003 #endif
1004
1005         act.sa_handler = quit_signal_handler;
1006         act.sa_mask    = mask;
1007         act.sa_flags   = 0;
1008
1009 #ifdef SIGTERM
1010         sigaction(SIGTERM, &act, 0);
1011 #endif
1012 #ifdef SIGINT
1013         sigaction(SIGINT, &act, 0);
1014 #endif
1015 #ifdef SIGHUP
1016         sigaction(SIGHUP, &act, 0);
1017 #endif
1018
1019         sigprocmask(SIG_UNBLOCK, &mask, 0);
1020 }