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