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