src/main.c

   1 /*
   2  * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
   3  * Copyright (C) 1999-2003 Hiroyuki Yamamoto
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; either version 2 of the License, or
   8  * (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License
  16  * along with this program; if not, write to the Free Software
  17  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  18  */
  19
  20 #ifdef HAVE_CONFIG_H
  21 #  include "config.h"
  22 #endif
  23
  24 #include "defs.h"
  25
  26 #include <glib.h>
  27 #include <gtk/gtkmain.h>
  28 #include <gtk/gtkrc.h>
  29
  30 #include <stdio.h>
  31 #include <stdlib.h>
  32 #include <string.h>
  33 #include <ctype.h>
  34 #include <unistd.h>
  35 #include <time.h>
  36 #include <sys/stat.h>
  37 #include <sys/types.h>
  38 #include <signal.h>
  39
  40 #if USE_GPGME
  41 #  include <gpgme.h>
  42 #  include "passphrase.h"
  43 #endif
  44
  45 #include "sylpheed.h"
  46 #include "intl.h"
  47 #include "main.h"
  48 #include "mainwindow.h"
  49 #include "folderview.h"
  50 #include "summaryview.h"
  51 #include "prefs_common.h"
  52 #include "prefs_account.h"
  53 #include "prefs_actions.h"
  54 #include "prefs_spelling.h"
  55 #include "scoring.h"
  56 #include "prefs_display_header.h"
  57 #include "account.h"
  58 #include "procmsg.h"
  59 #include "inc.h"
  60 #include "import.h"
  61 #include "manage_window.h"
  62 #include "alertpanel.h"
  63 #include "statusbar.h"
  64 #include "addressbook.h"
  65 #include "compose.h"
  66 #include "folder.h"
  67 #include "setup.h"
  68 #include "utils.h"
  69 #include "gtkutils.h"
  70 #include "socket.h"
  71 #include "log.h"
  72 #include "prefs_toolbar.h"
  73 #include "plugin.h"
  74
  75 #if USE_GPGME
  76 #  include "rfc2015.h"
  77 #endif
  78 #if USE_OPENSSL
  79 #  include "ssl.h"
  80 #endif
  81
  82 #include "version.h"
  83
  84 #include "crash.h"
  85
  86 gchar *prog_version;
  87 #ifdef CRASH_DIALOG
  88 gchar *argv0;
  89 #endif
  90
  91 static gint lock_socket = -1;
  92 static gint lock_socket_tag = 0;
  93
  94 typedef enum
  95 {
  96         ONLINE_MODE_DONT_CHANGE,
  97         ONLINE_MODE_ONLINE,
  98         ONLINE_MODE_OFFLINE
  99 } OnlineMode;
 100
 101 static struct RemoteCmd {
 102         gboolean receive;
 103         gboolean receive_all;
 104         gboolean compose;
 105         const gchar *compose_mailto;
 106         GPtrArray *attach_files;
 107         gboolean status;
 108         gboolean status_full;
 109         GPtrArray *status_folders;
 110         GPtrArray *status_full_folders;
 111         gboolean send;
 112         gboolean crash;
 113         int online_mode;
 114         gchar   *crash_params;
 115 } cmd;
 116
 117 static void parse_cmd_opt(int argc, char *argv[]);
 118
 119 #if USE_GPGME
 120 static void idle_function_for_gpgme(void);
 121 #endif /* USE_GPGME */
 122
 123 static gint prohibit_duplicate_launch   (void);
 124 static gchar * get_crashfile_name       (void);
 125 static gint lock_socket_remove          (void);
 126 static void lock_socket_input_cb        (gpointer          data,
 127                                          gint              source,
 128                                          GdkInputCondition condition);
 129 #ifndef CLAWS
 130 static
 131 #endif
 132 gchar *get_socket_name          (void);
 133
 134
 135 static void open_compose_new            (const gchar    *address,
 136                                          GPtrArray      *attach_files);
 137
 138 static void send_queue                  (void);
 139 static void initial_processing          (FolderItem *item, gpointer data);
 140 static void quit_signal_handler         (int sig);
 141 static void install_basic_sighandlers   (void);
 142
 143 #if 0
 144 /* for gettext */
 145 _("File `%s' already exists.\n"
 146   "Can't create folder.")
 147 #endif
 148
 149 #define MAKE_DIR_IF_NOT_EXIST(dir) \
 150 { \
 151         if (!is_dir_exist(dir)) { \
 152                 if (is_file_exist(dir)) { \
 153                         alertpanel_warning \
 154                                 (_("File `%s' already exists.\n" \
 155                                    "Can't create folder."), \
 156                                  dir); \
 157                         return 1; \
 158                 } \
 159                 if (make_dir(dir) < 0) \
 160                         return 1; \
 161         } \
 162 }
 163
 164 static MainWindow *static_mainwindow;
 165
 166 int main(int argc, char *argv[])
 167 {
 168         gchar *userrc;
 169         MainWindow *mainwin;
 170         FolderView *folderview;
 171
 172         if (!sylpheed_init(&argc, &argv)) {
 173                 return 0;
 174         }
 175
 176         prog_version = PROG_VERSION;
 177 #ifdef CRASH_DIALOG
 178         argv0 = g_strdup(argv[0]);
 179 #endif
 180
 181         parse_cmd_opt(argc, argv);
 182
 183 #ifdef CRASH_DIALOG
 184         if (cmd.crash) {
 185                 gtk_set_locale();
 186                 gtk_init(&argc, &argv);
 187                 crash_main(cmd.crash_params);
 188                 return 0;
 189         }
 190         crash_install_handlers();
 191 #endif
 192         install_basic_sighandlers();
 193
 194         /* check and create unix domain socket */
 195         lock_socket = prohibit_duplicate_launch();
 196         if (lock_socket < 0) return 0;
 197
 198         if (cmd.status || cmd.status_full) {
 199                 puts("0 Sylpheed not running.");
 200                 lock_socket_remove();
 201                 return 0;
 202         }
 203
 204         gtk_set_locale();
 205         gtk_init(&argc, &argv);
 206
 207         gdk_rgb_init();
 208         gtk_widget_set_default_colormap(gdk_rgb_get_cmap());
 209         gtk_widget_set_default_visual(gdk_rgb_get_visual());
 210
 211 #if USE_THREADS || USE_LDAP
 212         g_thread_init(NULL);
 213         if (!g_thread_supported())
 214                 g_error(_("g_thread is not supported by glib.\n"));
 215 #endif
 216
 217         /* parse gtkrc files */
 218         userrc = g_strconcat(get_home_dir(), G_DIR_SEPARATOR_S, ".gtkrc",
 219                              NULL);
 220         gtk_rc_parse(userrc);
 221         g_free(userrc);
 222         userrc = g_strconcat(get_home_dir(), G_DIR_SEPARATOR_S, ".gtk",
 223                              G_DIR_SEPARATOR_S, "gtkrc", NULL);
 224         gtk_rc_parse(userrc);
 225         g_free(userrc);
 226         userrc = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S, "gtkrc", NULL);
 227         gtk_rc_parse(userrc);
 228         g_free(userrc);
 229
 230         gtk_rc_parse("./gtkrc");
 231
 232         userrc = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S, MENU_RC, NULL);
 233         gtk_item_factory_parse_rc(userrc);
 234         g_free(userrc);
 235
 236         CHDIR_RETURN_VAL_IF_FAIL(get_home_dir(), 1);
 237
 238         MAKE_DIR_IF_NOT_EXIST(RC_DIR);
 239         MAKE_DIR_IF_NOT_EXIST(get_imap_cache_dir());
 240         MAKE_DIR_IF_NOT_EXIST(get_news_cache_dir());
 241         MAKE_DIR_IF_NOT_EXIST(get_mime_tmp_dir());
 242         MAKE_DIR_IF_NOT_EXIST(get_tmp_dir());
 243         MAKE_DIR_IF_NOT_EXIST(RC_DIR G_DIR_SEPARATOR_S "uidl");
 244
 245         set_log_file(RC_DIR G_DIR_SEPARATOR_S "sylpheed.log");
 246
 247         folder_system_init();
 248         prefs_common_init();
 249         prefs_common_read_config();
 250
 251 #if USE_GPGME
 252         gpg_started = FALSE;
 253         if (gpgme_engine_check_version(GPGME_PROTOCOL_OpenPGP) !=
 254                         GPGME_No_Error) {  /* Also does some gpgme init */
 255                 rfc2015_disable_all();
 256                 debug_print("gpgme_engine_version:\n%s\n",
 257                             gpgme_get_engine_info());
 258
 259                 if (prefs_common.gpg_warning) {
 260                         AlertValue val;
 261
 262                         val = alertpanel_message_with_disable
 263                                 (_("Warning"),
 264                                  _("GnuPG is not installed properly, or needs to be upgraded.\n"
 265                                    "OpenPGP support disabled."));
 266                         if (val & G_ALERTDISABLE)
 267                                 prefs_common.gpg_warning = FALSE;
 268                 }
 269         } else
 270                 gpg_started = TRUE;
 271
 272         gpgme_register_idle(idle_function_for_gpgme);
 273 #endif
 274
 275 #ifdef USE_ASPELL
 276         gtkaspell_checkers_init();
 277         prefs_spelling_init();
 278 #endif
 279
 280         sock_set_io_timeout(prefs_common.io_timeout_secs);
 281
 282         prefs_actions_read_config();
 283         prefs_display_header_read_config();
 284         /* prefs_filtering_read_config(); */
 285         addressbook_read_file();
 286         renderer_read_config();
 287
 288         gtkut_widget_init();
 289
 290         mainwin = main_window_create
 291                 (prefs_common.sep_folder | prefs_common.sep_msg << 1);
 292         folderview = mainwin->folderview;
 293
 294         /* register the callback of unix domain socket input */
 295         lock_socket_tag = gdk_input_add(lock_socket,
 296                                         GDK_INPUT_READ | GDK_INPUT_EXCEPTION,
 297                                         lock_socket_input_cb,
 298                                         mainwin);
 299
 300         account_read_config_all();
 301
 302         if (folder_read_list() < 0) {
 303                 setup(mainwin);
 304                 folder_write_list();
 305         }
 306         if (!account_get_list()) {
 307                 account_edit_open();
 308                 account_add();
 309         }
 310
 311         account_set_missing_folder();
 312         folder_set_missing_folders();
 313         folderview_set(folderview);
 314
 315         /* prefs_scoring_read_config(); */
 316         prefs_matcher_read_config();
 317
 318         /* make one all-folder processing before using sylpheed */
 319         folder_func_to_all_folders(initial_processing, (gpointer *)mainwin);
 320
 321         /* if Sylpheed crashed, rebuild caches */
 322         if (!cmd.crash && is_file_exist(get_crashfile_name())) {
 323                 debug_print("Sylpheed crashed, checking for new messages in local folders\n");
 324                 folderview_check_new(NULL);
 325         }
 326         /* make the crash-indicator file */
 327         str_write_to_file("foo", get_crashfile_name());
 328
 329         addressbook_read_file();
 330
 331         inc_autocheck_timer_init(mainwin);
 332
 333         /* ignore SIGPIPE signal for preventing sudden death of program */
 334         signal(SIGPIPE, SIG_IGN);
 335
 336         if (cmd.receive_all)
 337                 inc_all_account_mail(mainwin, FALSE,
 338                                      prefs_common.newmail_notify_manu);
 339         else if (prefs_common.chk_on_startup)
 340                 inc_all_account_mail(mainwin, TRUE,
 341                                      prefs_common.newmail_notify_manu);
 342         else if (cmd.receive)
 343                 inc_mail(mainwin, prefs_common.newmail_notify_manu);
 344         else
 345                 gtk_widget_grab_focus(folderview->ctree);
 346
 347         if (cmd.compose)
 348                 open_compose_new(cmd.compose_mailto, cmd.attach_files);
 349         if (cmd.attach_files) {
 350                 ptr_array_free_strings(cmd.attach_files);
 351                 g_ptr_array_free(cmd.attach_files, TRUE);
 352                 cmd.attach_files = NULL;
 353         }
 354         if (cmd.send)
 355                 send_queue();
 356         if (cmd.status_folders) {
 357                 g_ptr_array_free(cmd.status_folders, TRUE);
 358                 cmd.status_folders = NULL;
 359         }
 360         if (cmd.status_full_folders) {
 361                 g_ptr_array_free(cmd.status_full_folders, TRUE);
 362                 cmd.status_full_folders = NULL;
 363         }
 364
 365         if (cmd.online_mode == ONLINE_MODE_OFFLINE)
 366                 main_window_toggle_work_offline(mainwin, TRUE);
 367         if (cmd.online_mode == ONLINE_MODE_ONLINE)
 368                 main_window_toggle_work_offline(mainwin, FALSE);
 369
 370         prefs_toolbar_init();
 371
 372         plugin_load_all("GTK");
 373
 374         static_mainwindow = mainwin;
 375         gtk_main();
 376
 377         plugin_unload_all("GTK");
 378
 379         prefs_toolbar_done();
 380
 381         addressbook_destroy();
 382
 383 #ifdef USE_ASPELL
 384         prefs_spelling_done();
 385         gtkaspell_checkers_quit();
 386 #endif
 387         sylpheed_done();
 388
 389         return 0;
 390 }
 391
 392 static void parse_cmd_opt(int argc, char *argv[])
 393 {
 394         gint i;
 395
 396         for (i = 1; i < argc; i++) {
 397                 if (!strncmp(argv[i], "--receive-all", 13))
 398                         cmd.receive_all = TRUE;
 399                 else if (!strncmp(argv[i], "--receive", 9))
 400                         cmd.receive = TRUE;
 401                 else if (!strncmp(argv[i], "--compose", 9)) {
 402                         const gchar *p = argv[i + 1];
 403
 404                         cmd.compose = TRUE;
 405                         cmd.compose_mailto = NULL;
 406                         if (p && *p != '\0' && *p != '-') {
 407                                 if (!strncmp(p, "mailto:", 7))
 408                                         cmd.compose_mailto = p + 7;
 409                                 else
 410                                         cmd.compose_mailto = p;
 411                                 i++;
 412                         }
 413                 } else if (!strncmp(argv[i], "--attach", 8)) {
 414                         const gchar *p = argv[i + 1];
 415                         gchar *file;
 416
 417                         while (p && *p != '\0' && *p != '-') {
 418                                 if (!cmd.attach_files)
 419                                         cmd.attach_files = g_ptr_array_new();
 420                                 if (*p != G_DIR_SEPARATOR)
 421                                         file = g_strconcat(sylpheed_get_startup_dir(),
 422                                                            G_DIR_SEPARATOR_S,
 423                                                            p, NULL);
 424                                 else
 425                                         file = g_strdup(p);
 426                                 g_ptr_array_add(cmd.attach_files, file);
 427                                 i++;
 428                                 p = argv[i + 1];
 429                         }
 430                 } else if (!strncmp(argv[i], "--send", 6)) {
 431                         cmd.send = TRUE;
 432                 } else if (!strncmp(argv[i], "--version", 9)) {
 433                         puts("Sylpheed version " VERSION);
 434                         exit(0);
 435                 } else if (!strncmp(argv[i], "--status-full", 13)) {
 436                         const gchar *p = argv[i + 1];
 437
 438                         cmd.status_full = TRUE;
 439                         while (p && *p != '\0' && *p != '-') {
 440                                 if (!cmd.status_full_folders)
 441                                         cmd.status_full_folders =
 442                                                 g_ptr_array_new();
 443                                 g_ptr_array_add(cmd.status_full_folders,
 444                                                 g_strdup(p));
 445                                 i++;
 446                                 p = argv[i + 1];
 447                         }
 448                 } else if (!strncmp(argv[i], "--status", 8)) {
 449                         const gchar *p = argv[i + 1];
 450
 451                         cmd.status = TRUE;
 452                         while (p && *p != '\0' && *p != '-') {
 453                                 if (!cmd.status_folders)
 454                                         cmd.status_folders = g_ptr_array_new();
 455                                 g_ptr_array_add(cmd.status_folders,
 456                                                 g_strdup(p));
 457                                 i++;
 458                                 p = argv[i + 1];
 459                         }
 460                 } else if (!strncmp(argv[i], "--online", 8)) {
 461                         cmd.online_mode = ONLINE_MODE_ONLINE;
 462                 } else if (!strncmp(argv[i], "--offline", 9)) {
 463                         cmd.online_mode = ONLINE_MODE_OFFLINE;
 464                 } else if (!strncmp(argv[i], "--help", 6)) {
 465                         g_print(_("Usage: %s [OPTION]...\n"),
 466                                 g_basename(argv[0]));
 467
 468                         puts(_("  --compose [address]    open composition window"));
 469                         puts(_("  --attach file1 [file2]...\n"
 470                                "                         open composition window with specified files\n"
 471                                "                         attached"));
 472                         puts(_("  --receive              receive new messages"));
 473                         puts(_("  --receive-all          receive new messages of all accounts"));
 474                         puts(_("  --send                 send all queued messages"));
 475                         puts(_("  --status [folder]...   show the total number of messages"));
 476                         puts(_("  --status-full [folder]...\n"
 477                                "                         show the status of each folder"));
 478                         puts(_("  --online               switch to online mode"));
 479                         puts(_("  --offline              switch to offline mode"));
 480                         puts(_("  --debug                debug mode"));
 481                         puts(_("  --help                 display this help and exit"));
 482                         puts(_("  --version              output version information and exit"));
 483                         puts(_("  --config-dir           output configuration directory"));
 484
 485                         exit(1);
 486                 } else if (!strncmp(argv[i], "--crash", 7)) {
 487                         cmd.crash = TRUE;
 488                         cmd.crash_params = g_strdup(argv[i + 1]);
 489                         i++;
 490                 } else if (!strncmp(argv[i], "--config-dir", sizeof "--config-dir" - 1)) {
 491                         puts(RC_DIR);
 492                         exit(0);
 493                 }
 494
 495         }
 496
 497         if (cmd.attach_files && cmd.compose == FALSE) {
 498                 cmd.compose = TRUE;
 499                 cmd.compose_mailto = NULL;
 500         }
 501 }
 502
 503 static gint get_queued_message_num(void)
 504 {
 505         FolderItem *queue;
 506
 507         queue = folder_get_default_queue();
 508         if (!queue) return -1;
 509
 510         folder_item_scan(queue);
 511         return queue->total_msgs;
 512 }
 513
 514 static void save_all_caches(FolderItem *item, gpointer data)
 515 {
 516         if (!item->cache)
 517                 return;
 518         folder_item_write_cache(item);
 519 }
 520
 521 static void initial_processing(FolderItem *item, gpointer data)
 522 {
 523         MainWindow *mainwin = (MainWindow *)data;
 524         gchar *buf;
 525
 526         g_return_if_fail(item);
 527         buf = g_strdup_printf(_("Processing (%s)..."),
 528                               item->path
 529                               ? item->path
 530                               : _("top level folder"));
 531         debug_print("%s\n", buf);
 532         g_free(buf);
 533
 534         main_window_cursor_wait(mainwin);
 535
 536         folder_item_apply_processing(item);
 537
 538         debug_print("done.\n");
 539         STATUSBAR_POP(mainwin);
 540         main_window_cursor_normal(mainwin);
 541 }
 542
 543 static void draft_all_messages(void)
 544 {
 545         GList *compose_list = compose_get_compose_list();
 546         GList *elem = NULL;
 547
 548         if (compose_list) {
 549                 for (elem = compose_list; elem != NULL && elem->data != NULL;
 550                      elem = elem->next) {
 551                         Compose *c = (Compose*)elem->data;
 552                         compose_draft(c);
 553                 }
 554         }
 555 }
 556
 557 void clean_quit(void)
 558 {
 559         /*!< Good idea to have the main window stored in a
 560          *   static variable so we can check that variable
 561          *   to see if we're really allowed to do things
 562          *   that actually the spawner is supposed to
 563          *   do (like: sending mail, composing messages).
 564          *   Because, really, if we're the spawnee, and
 565          *   we touch GTK stuff, we're hosed. See the
 566          *   next fixme. */
 567
 568         /* FIXME: Use something else to signal that we're
 569          * in the original spawner, and not in a spawned
 570          * child. */
 571         if (!static_mainwindow)
 572                 return;
 573
 574         draft_all_messages();
 575
 576         if (prefs_common.warn_queued_on_exit) {
 577                 /* disable the popup */
 578                 prefs_common.warn_queued_on_exit = FALSE;
 579                 app_will_exit(NULL, static_mainwindow);
 580                 prefs_common.warn_queued_on_exit = TRUE;
 581                 prefs_common_save_config();
 582         } else {
 583                 app_will_exit(NULL, static_mainwindow);
 584         }
 585         exit(0);
 586 }
 587
 588 void app_will_exit(GtkWidget *widget, gpointer data)
 589 {
 590         MainWindow *mainwin = data;
 591         gchar *filename;
 592         GList *list;
 593
 594         if (compose_get_compose_list()) {
 595                 gint val = alertpanel(_("Notice"),
 596                                _("Composing message exists."),
 597                                _("Draft them"), _("Discard them"), _("Don't quit"));
 598                 switch (val) {
 599                         case G_ALERTOTHER:
 600                                 return;
 601                         case G_ALERTALTERNATE:
 602                                 break;
 603                         default:
 604                                 draft_all_messages();
 605                 }
 606
 607                 manage_window_focus_in(mainwin->window, NULL, NULL);
 608         }
 609
 610         if (prefs_common.warn_queued_on_exit && get_queued_message_num() > 0) {
 611                 if (alertpanel(_("Queued messages"),
 612                                _("Some unsent messages are queued. Exit now?"),
 613                                _("OK"), _("Cancel"), NULL) != G_ALERTDEFAULT)
 614                         return;
 615                 manage_window_focus_in(mainwin->window, NULL, NULL);
 616         }
 617
 618         inc_autocheck_timer_remove();
 619
 620 #if USE_GPGME
 621         gpgmegtk_free_passphrase();
 622 #endif
 623
 624         if (prefs_common.clean_on_exit)
 625                 main_window_empty_trash(mainwin, prefs_common.ask_on_clean);
 626
 627         /* save prefs for opened folder */
 628         if(mainwin->folderview->opened)
 629         {
 630                 FolderItem *item;
 631
 632                 item = gtk_ctree_node_get_row_data(GTK_CTREE(mainwin->folderview->ctree), mainwin->folderview->opened);
 633                 summary_save_prefs_to_folderitem(mainwin->folderview->summaryview, item);
 634         }
 635
 636         /* save all state before exiting */
 637         folder_write_list();
 638         folder_func_to_all_folders(save_all_caches, NULL);
 639         for (list = folder_get_list(); list != NULL; list = g_list_next(list)) {
 640                 Folder *folder = FOLDER(list->data);
 641
 642                 folder_tree_destroy(folder);
 643         }
 644
 645         main_window_get_size(mainwin);
 646         main_window_get_position(mainwin);
 647         prefs_common_save_config();
 648         account_save_config_all();
 649         addressbook_export_to_file();
 650
 651         filename = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S, MENU_RC, NULL);
 652         gtk_item_factory_dump_rc(filename, NULL, TRUE);
 653         g_free(filename);
 654
 655         /* delete temporary files */
 656         remove_all_files(get_mime_tmp_dir());
 657
 658         close_log_file();
 659
 660         /* delete crashfile */
 661         if (!cmd.crash)
 662                 unlink(get_crashfile_name());
 663
 664         lock_socket_remove();
 665
 666         gtk_main_quit();
 667 }
 668
 669 #if USE_GPGME
 670 static void idle_function_for_gpgme(void)
 671 {
 672         while (gtk_events_pending())
 673                 gtk_main_iteration();
 674 }
 675 #endif /* USE_GPGME */
 676
 677 /*
 678  * CLAWS: want this public so crash dialog can delete the
 679  * lock file too
 680  */
 681 #ifndef CLAWS
 682 static
 683 #endif
 684 gchar *get_socket_name(void)
 685 {
 686         static gchar *filename = NULL;
 687
 688         if (filename == NULL) {
 689                 filename = g_strdup_printf("%s%csylpheed-%d",
 690                                            g_get_tmp_dir(), G_DIR_SEPARATOR,
 691                                            getuid());
 692         }
 693
 694         return filename;
 695 }
 696
 697 static gchar *get_crashfile_name(void)
 698 {
 699         static gchar *filename = NULL;
 700
 701         if (filename == NULL) {
 702                 filename = g_strdup_printf("%s%csylpheed-crashed",
 703                                            get_tmp_dir(), G_DIR_SEPARATOR);
 704         }
 705
 706         return filename;
 707 }
 708
 709 static gint prohibit_duplicate_launch(void)
 710 {
 711         gint uxsock;
 712         gchar *path;
 713
 714         path = get_socket_name();
 715         uxsock = fd_connect_unix(path);
 716         if (uxsock < 0) {
 717                 unlink(path);
 718                 return fd_open_unix(path);
 719         }
 720
 721         /* remote command mode */
 722
 723         debug_print("another Sylpheed is already running.\n");
 724
 725         if (cmd.receive_all)
 726                 fd_write_all(uxsock, "receive_all\n", 12);
 727         else if (cmd.receive)
 728                 fd_write_all(uxsock, "receive\n", 8);
 729         else if (cmd.compose && cmd.attach_files) {
 730                 gchar *str, *compose_str;
 731                 gint i;
 732
 733                 if (cmd.compose_mailto)
 734                         compose_str = g_strdup_printf("compose_attach %s\n",
 735                                                       cmd.compose_mailto);
 736                 else
 737                         compose_str = g_strdup("compose_attach\n");
 738
 739                 fd_write_all(uxsock, compose_str, strlen(compose_str));
 740                 g_free(compose_str);
 741
 742                 for (i = 0; i < cmd.attach_files->len; i++) {
 743                         str = g_ptr_array_index(cmd.attach_files, i);
 744                         fd_write_all(uxsock, str, strlen(str));
 745                         fd_write_all(uxsock, "\n", 1);
 746                 }
 747
 748                 fd_write_all(uxsock, ".\n", 2);
 749         } else if (cmd.compose) {
 750                 gchar *compose_str;
 751
 752                 if (cmd.compose_mailto)
 753                         compose_str = g_strdup_printf
 754                                 ("compose %s\n", cmd.compose_mailto);
 755                 else
 756                         compose_str = g_strdup("compose\n");
 757
 758                 fd_write_all(uxsock, compose_str, strlen(compose_str));
 759                 g_free(compose_str);
 760         } else if (cmd.send) {
 761                 fd_write_all(uxsock, "send\n", 5);
 762         } else if (cmd.online_mode == ONLINE_MODE_ONLINE) {
 763                 fd_write(uxsock, "online\n", 6);
 764         } else if (cmd.online_mode == ONLINE_MODE_OFFLINE) {
 765                 fd_write(uxsock, "offline\n", 7);
 766         } else if (cmd.status || cmd.status_full) {
 767                 gchar buf[BUFFSIZE];
 768                 gint i;
 769                 const gchar *command;
 770                 GPtrArray *folders;
 771                 gchar *folder;
 772
 773                 command = cmd.status_full ? "status-full\n" : "status\n";
 774                 folders = cmd.status_full ? cmd.status_full_folders :
 775                         cmd.status_folders;
 776
 777                 fd_write_all(uxsock, command, strlen(command));
 778                 for (i = 0; folders && i < folders->len; ++i) {
 779                         folder = g_ptr_array_index(folders, i);
 780                         fd_write_all(uxsock, folder, strlen(folder));
 781                         fd_write_all(uxsock, "\n", 1);
 782                 }
 783                 fd_write_all(uxsock, ".\n", 2);
 784                 for (;;) {
 785                         fd_gets(uxsock, buf, sizeof(buf));
 786                         if (!strncmp(buf, ".\n", 2)) break;
 787                         fputs(buf, stdout);
 788                 }
 789         } else
 790                 fd_write_all(uxsock, "popup\n", 6);
 791
 792         fd_close(uxsock);
 793         return -1;
 794 }
 795
 796 static gint lock_socket_remove(void)
 797 {
 798         gchar *filename;
 799
 800         if (lock_socket < 0) return -1;
 801
 802         if (lock_socket_tag > 0)
 803                 gdk_input_remove(lock_socket_tag);
 804         fd_close(lock_socket);
 805         filename = get_socket_name();
 806         unlink(filename);
 807
 808         return 0;
 809 }
 810
 811 static GPtrArray *get_folder_item_list(gint sock)
 812 {
 813         gchar buf[BUFFSIZE];
 814         FolderItem *item;
 815         GPtrArray *folders = NULL;
 816
 817         for (;;) {
 818                 fd_gets(sock, buf, sizeof(buf));
 819                 if (!strncmp(buf, ".\n", 2)) break;
 820                 strretchomp(buf);
 821                 if (!folders) folders = g_ptr_array_new();
 822                 item = folder_find_item_from_identifier(buf);
 823                 if (item)
 824                         g_ptr_array_add(folders, item);
 825                 else
 826                         g_warning("no such folder: %s\n", buf);
 827         }
 828
 829         return folders;
 830 }
 831
 832 static void lock_socket_input_cb(gpointer data,
 833                                  gint source,
 834                                  GdkInputCondition condition)
 835 {
 836         MainWindow *mainwin = (MainWindow *)data;
 837         gint sock;
 838         gchar buf[BUFFSIZE];
 839
 840         sock = fd_accept(source);
 841         fd_gets(sock, buf, sizeof(buf));
 842
 843         if (!strncmp(buf, "popup", 5)) {
 844                 main_window_popup(mainwin);
 845         } else if (!strncmp(buf, "receive_all", 11)) {
 846                 inc_all_account_mail(mainwin, FALSE,
 847                                      prefs_common.newmail_notify_manu);
 848         } else if (!strncmp(buf, "receive", 7)) {
 849                 inc_mail(mainwin, prefs_common.newmail_notify_manu);
 850         } else if (!strncmp(buf, "compose_attach", 14)) {
 851                 GPtrArray *files;
 852                 gchar *mailto;
 853
 854                 mailto = g_strdup(buf + strlen("compose_attach") + 1);
 855                 files = g_ptr_array_new();
 856                 while (fd_gets(sock, buf, sizeof(buf)) > 0) {
 857                         if (buf[0] == '.' && buf[1] == '\n') break;
 858                         strretchomp(buf);
 859                         g_ptr_array_add(files, g_strdup(buf));
 860                 }
 861                 open_compose_new(mailto, files);
 862                 ptr_array_free_strings(files);
 863                 g_ptr_array_free(files, TRUE);
 864                 g_free(mailto);
 865         } else if (!strncmp(buf, "compose", 7)) {
 866                 open_compose_new(buf + strlen("compose") + 1, NULL);
 867         } else if (!strncmp(buf, "send", 4)) {
 868                 send_queue();
 869         } else if (!strncmp(buf, "online", 6)) {
 870                 main_window_toggle_work_offline(mainwin, FALSE);
 871         } else if (!strncmp(buf, "offline", 7)) {
 872                 main_window_toggle_work_offline(mainwin, TRUE);
 873         } else if (!strncmp(buf, "status-full", 11) ||
 874                    !strncmp(buf, "status", 6)) {
 875                 gchar *status;
 876                 GPtrArray *folders;
 877
 878                 folders = get_folder_item_list(sock);
 879                 status = folder_get_status
 880                         (folders, !strncmp(buf, "status-full", 11));
 881                 fd_write_all(sock, status, strlen(status));
 882                 fd_write_all(sock, ".\n", 2);
 883                 g_free(status);
 884                 if (folders) g_ptr_array_free(folders, TRUE);
 885         }
 886
 887         fd_close(sock);
 888 }
 889
 890 static void open_compose_new(const gchar *address, GPtrArray *attach_files)
 891 {
 892         gchar *addr = NULL;
 893
 894         if (address) {
 895                 Xstrdup_a(addr, address, return);
 896                 g_strstrip(addr);
 897         }
 898
 899         compose_new(NULL, addr, attach_files);
 900 }
 901
 902 static void send_queue(void)
 903 {
 904         GList *list;
 905         FolderItem *def_outbox;
 906
 907         def_outbox = folder_get_default_outbox();
 908
 909         for (list = folder_get_list(); list != NULL; list = list->next) {
 910                 Folder *folder = list->data;
 911
 912                 if (folder->queue) {
 913                         gint res = procmsg_send_queue
 914                                 (folder->queue, prefs_common.savemsg);
 915
 916                         if (res < 0)
 917                                 alertpanel_error(_("Some errors occurred while sending queued messages."));
 918                         if (res)
 919                                 folder_item_scan(folder->queue);
 920                         if (prefs_common.savemsg && folder->outbox) {
 921                                 if (folder->outbox == def_outbox)
 922                                         def_outbox = NULL;
 923                         }
 924                 }
 925         }
 926 }
 927
 928 static void quit_signal_handler(int sig)
 929 {
 930         debug_print("Quitting on signal %d\n", sig);
 931         clean_quit();
 932 }
 933
 934 static void install_basic_sighandlers()
 935 {
 936         sigset_t    mask;
 937         struct sigaction act;
 938
 939         sigemptyset(&mask);
 940
 941 #ifdef SIGTERM
 942         sigaddset(&mask, SIGTERM);
 943 #endif
 944 #ifdef SIGINT
 945         sigaddset(&mask, SIGINT);
 946 #endif
 947
 948         act.sa_handler = quit_signal_handler;
 949         act.sa_mask    = mask;
 950         act.sa_flags   = 0;
 951
 952 #ifdef SIGTERM
 953         sigaction(SIGTERM, &act, 0);
 954 #endif
 955 #ifdef SIGINT
 956         sigaction(SIGINT, &act, 0);
 957 #endif
 958
 959         sigprocmask(SIG_UNBLOCK, &mask, 0);
 960 }