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