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