src/main.c

   1 /*
   2  * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
   3  * Copyright (C) 1999-2004 Hiroyuki Yamamoto
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; either version 2 of the License, or
   8  * (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License
  16  * along with this program; if not, write to the Free Software
  17  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  18  */
  19
  20 #ifdef HAVE_CONFIG_H
  21 #  include "config.h"
  22 #endif
  23
  24 #include "defs.h"
  25
  26 #include <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_msg_colors.h"
  57 #include "prefs_spelling.h"
  58 #include "prefs_themes.h"
  59 #include "prefs_wrapping.h"
  60 #include "prefs_display_header.h"
  61 #include "account.h"
  62 #include "procmsg.h"
  63 #include "inc.h"
  64 #include "import.h"
  65 #include "manage_window.h"
  66 #include "alertpanel.h"
  67 #include "statusbar.h"
  68 #include "addressbook.h"
  69 #include "compose.h"
  70 #include "folder.h"
  71 #include "setup.h"
  72 #include "utils.h"
  73 #include "gtkutils.h"
  74 #include "socket.h"
  75 #include "log.h"
  76 #include "prefs_toolbar.h"
  77 #include "plugin.h"
  78 #include "mh_gtk.h"
  79 #include "imap_gtk.h"
  80 #include "news_gtk.h"
  81 #include "matcher.h"
  82
  83 #if USE_OPENSSL
  84 #  include "ssl.h"
  85 #endif
  86
  87 #include "version.h"
  88
  89 #include "crash.h"
  90
  91 gchar *prog_version;
  92 #ifdef CRASH_DIALOG
  93 gchar *argv0;
  94 #endif
  95
  96 static gint lock_socket = -1;
  97 static gint lock_socket_tag = 0;
  98
  99 typedef enum
 100 {
 101         ONLINE_MODE_DONT_CHANGE,
 102         ONLINE_MODE_ONLINE,
 103         ONLINE_MODE_OFFLINE
 104 } OnlineMode;
 105
 106 static struct RemoteCmd {
 107         gboolean receive;
 108         gboolean receive_all;
 109         gboolean compose;
 110         const gchar *compose_mailto;
 111         GPtrArray *attach_files;
 112         gboolean status;
 113         gboolean status_full;
 114         GPtrArray *status_folders;
 115         GPtrArray *status_full_folders;
 116         gboolean send;
 117         gboolean crash;
 118         int online_mode;
 119         gchar   *crash_params;
 120 } cmd;
 121
 122 static void parse_cmd_opt(int argc, char *argv[]);
 123
 124 static gint prohibit_duplicate_launch   (void);
 125 static gchar * get_crashfile_name       (void);
 126 static gint lock_socket_remove          (void);
 127 static void lock_socket_input_cb        (gpointer          data,
 128                                          gint              source,
 129                                          GdkInputCondition condition);
 130 #ifndef CLAWS
 131 static
 132 #endif
 133 gchar *get_socket_name          (void);
 134
 135
 136 static void open_compose_new            (const gchar    *address,
 137                                          GPtrArray      *attach_files);
 138
 139 static void send_queue                  (void);
 140 static void initial_processing          (FolderItem *item, gpointer data);
 141 static void quit_signal_handler         (int sig);
 142 static void install_basic_sighandlers   (void);
 143 static void exit_sylpheed               (MainWindow *mainwin);
 144
 145 #if 0
 146 /* for gettext */
 147 _("File `%s' already exists.\n"
 148   "Can't create folder.")
 149 #endif
 150
 151 #define MAKE_DIR_IF_NOT_EXIST(dir) \
 152 { \
 153         if (!is_dir_exist(dir)) { \
 154                 if (is_file_exist(dir)) { \
 155                         alertpanel_warning \
 156                                 (_("File `%s' already exists.\n" \
 157                                    "Can't create folder."), \
 158                                  dir); \
 159                         return 1; \
 160                 } \
 161                 if (make_dir(dir) < 0) \
 162                         return 1; \
 163         } \
 164 }
 165
 166 static MainWindow *static_mainwindow;
 167
 168 int main(int argc, char *argv[])
 169 {
 170         gchar *userrc;
 171         MainWindow *mainwin;
 172         FolderView *folderview;
 173
 174         if (!sylpheed_init(&argc, &argv)) {
 175                 return 0;
 176         }
 177
 178         prog_version = PROG_VERSION;
 179 #ifdef CRASH_DIALOG
 180         argv0 = g_strdup(argv[0]);
 181 #endif
 182
 183         parse_cmd_opt(argc, argv);
 184
 185 #ifdef CRASH_DIALOG
 186         if (cmd.crash) {
 187                 gtk_set_locale();
 188                 gtk_init(&argc, &argv);
 189                 crash_main(cmd.crash_params);
 190                 return 0;
 191         }
 192         crash_install_handlers();
 193 #endif
 194         install_basic_sighandlers();
 195
 196         /* check and create unix domain socket */
 197         lock_socket = prohibit_duplicate_launch();
 198         if (lock_socket < 0) return 0;
 199
 200         if (cmd.status || cmd.status_full) {
 201                 puts("0 Sylpheed not running.");
 202                 lock_socket_remove();
 203                 return 0;
 204         }
 205
 206         gtk_set_locale();
 207         gtk_init(&argc, &argv);
 208
 209         gdk_rgb_init();
 210         gtk_widget_set_default_colormap(gdk_rgb_get_cmap());
 211         gtk_widget_set_default_visual(gdk_rgb_get_visual());
 212
 213 #if USE_THREADS || USE_LDAP
 214         g_thread_init(NULL);
 215         if (!g_thread_supported())
 216                 g_error(_("g_thread is not supported by glib.\n"));
 217 #endif
 218
 219         /* parse gtkrc files */
 220         userrc = g_strconcat(get_home_dir(), G_DIR_SEPARATOR_S, ".gtkrc",
 221                              NULL);
 222         gtk_rc_parse(userrc);
 223         g_free(userrc);
 224         userrc = g_strconcat(get_home_dir(), G_DIR_SEPARATOR_S, ".gtk",
 225                              G_DIR_SEPARATOR_S, "gtkrc", NULL);
 226         gtk_rc_parse(userrc);
 227         g_free(userrc);
 228         userrc = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S, "gtkrc", NULL);
 229         gtk_rc_parse(userrc);
 230         g_free(userrc);
 231
 232         userrc = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S, MENU_RC, NULL);
 233         gtk_item_factory_parse_rc(userrc);
 234         g_free(userrc);
 235
 236         CHDIR_RETURN_VAL_IF_FAIL(get_home_dir(), 1);
 237
 238         MAKE_DIR_IF_NOT_EXIST(RC_DIR);
 239         MAKE_DIR_IF_NOT_EXIST(get_imap_cache_dir());
 240         MAKE_DIR_IF_NOT_EXIST(get_news_cache_dir());
 241         MAKE_DIR_IF_NOT_EXIST(get_mime_tmp_dir());
 242         MAKE_DIR_IF_NOT_EXIST(get_tmp_dir());
 243         MAKE_DIR_IF_NOT_EXIST(RC_DIR G_DIR_SEPARATOR_S "uidl");
 244
 245         set_log_file(RC_DIR G_DIR_SEPARATOR_S "sylpheed.log");
 246
 247         folder_system_init();
 248         prefs_common_init();
 249         prefs_common_read_config();
 250
 251         prefs_themes_init();
 252         prefs_fonts_init();
 253         prefs_ext_prog_init();
 254         prefs_wrapping_init();
 255         prefs_msg_colors_init();
 256 #ifdef USE_ASPELL
 257         gtkaspell_checkers_init();
 258         prefs_spelling_init();
 259 #endif
 260
 261         sock_set_io_timeout(prefs_common.io_timeout_secs);
 262
 263         prefs_actions_read_config();
 264         prefs_display_header_read_config();
 265         /* prefs_filtering_read_config(); */
 266         addressbook_read_file();
 267         renderer_read_config();
 268
 269         gtkut_widget_init();
 270
 271         folderview_initialize();
 272         mh_gtk_init();
 273         imap_gtk_init();
 274         news_gtk_init();
 275         mainwin = main_window_create
 276                 (prefs_common.sep_folder | prefs_common.sep_msg << 1);
 277         folderview = mainwin->folderview;
 278
 279         /* register the callback of unix domain socket input */
 280         lock_socket_tag = gdk_input_add(lock_socket,
 281                                         GDK_INPUT_READ | GDK_INPUT_EXCEPTION,
 282                                         lock_socket_input_cb,
 283                                         mainwin);
 284
 285         account_read_config_all();
 286
 287         if (folder_read_list() < 0) {
 288                 setup(mainwin);
 289                 folder_write_list();
 290         }
 291         if (!account_get_list()) {
 292                 account_edit_open();
 293                 account_add();
 294         }
 295
 296         account_set_missing_folder();
 297         folder_set_missing_folders();
 298         folderview_set(folderview);
 299
 300         prefs_matcher_read_config();
 301
 302         /* make one all-folder processing before using sylpheed */
 303         folder_func_to_all_folders(initial_processing, (gpointer *)mainwin);
 304
 305         /* if Sylpheed crashed, rebuild caches */
 306         if (!cmd.crash && is_file_exist(get_crashfile_name())) {
 307                 debug_print("Sylpheed crashed, checking for new messages in local folders\n");
 308                 folderview_check_new(NULL);
 309         }
 310         /* make the crash-indicator file */
 311         str_write_to_file("foo", get_crashfile_name());
 312
 313         addressbook_read_file();
 314
 315         inc_autocheck_timer_init(mainwin);
 316
 317         /* ignore SIGPIPE signal for preventing sudden death of program */
 318         signal(SIGPIPE, SIG_IGN);
 319
 320         if (cmd.online_mode == ONLINE_MODE_OFFLINE)
 321                 main_window_toggle_work_offline(mainwin, TRUE);
 322         if (cmd.online_mode == ONLINE_MODE_ONLINE)
 323                 main_window_toggle_work_offline(mainwin, FALSE);
 324
 325         if (cmd.receive_all)
 326                 inc_all_account_mail(mainwin, FALSE,
 327                                      prefs_common.newmail_notify_manu);
 328         else if (prefs_common.chk_on_startup)
 329                 inc_all_account_mail(mainwin, TRUE,
 330                                      prefs_common.newmail_notify_manu);
 331         else if (cmd.receive)
 332                 inc_mail(mainwin, prefs_common.newmail_notify_manu);
 333         else
 334                 gtk_widget_grab_focus(folderview->ctree);
 335
 336         if (cmd.compose)
 337                 open_compose_new(cmd.compose_mailto, cmd.attach_files);
 338         if (cmd.attach_files) {
 339                 ptr_array_free_strings(cmd.attach_files);
 340                 g_ptr_array_free(cmd.attach_files, TRUE);
 341                 cmd.attach_files = NULL;
 342         }
 343         if (cmd.send)
 344                 send_queue();
 345         if (cmd.status_folders) {
 346                 g_ptr_array_free(cmd.status_folders, TRUE);
 347                 cmd.status_folders = NULL;
 348         }
 349         if (cmd.status_full_folders) {
 350                 g_ptr_array_free(cmd.status_full_folders, TRUE);
 351                 cmd.status_full_folders = NULL;
 352         }
 353
 354         prefs_toolbar_init();
 355
 356         plugin_load_all("GTK");
 357
 358         static_mainwindow = mainwin;
 359         gtk_main();
 360
 361         exit_sylpheed(mainwin);
 362
 363         return 0;
 364 }
 365
 366 static void save_all_caches(FolderItem *item, gpointer data)
 367 {
 368         if (!item->cache)
 369                 return;
 370         folder_item_write_cache(item);
 371 }
 372
 373 static void exit_sylpheed(MainWindow *mainwin)
 374 {
 375         gchar *filename;
 376
 377         debug_print("shutting down\n");
 378
 379         inc_autocheck_timer_remove();
 380
 381         if (prefs_common.clean_on_exit)
 382                 main_window_empty_trash(mainwin, prefs_common.ask_on_clean);
 383
 384         /* save prefs for opened folder */
 385         if(mainwin->folderview->opened)
 386         {
 387                 FolderItem *item;
 388
 389                 item = gtk_ctree_node_get_row_data(GTK_CTREE(mainwin->folderview->ctree), mainwin->folderview->opened);
 390                 summary_save_prefs_to_folderitem(mainwin->folderview->summaryview, item);
 391         }
 392
 393         /* save all state before exiting */
 394         folder_write_list();
 395         folder_func_to_all_folders(save_all_caches, NULL);
 396
 397         main_window_get_size(mainwin);
 398         main_window_get_position(mainwin);
 399         prefs_common_write_config();
 400         account_write_config_all();
 401         addressbook_export_to_file();
 402
 403         filename = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S, MENU_RC, NULL);
 404         gtk_item_factory_dump_rc(filename, NULL, TRUE);
 405         g_free(filename);
 406
 407         /* delete temporary files */
 408         remove_all_files(get_mime_tmp_dir());
 409
 410         close_log_file();
 411
 412         /* delete crashfile */
 413         if (!cmd.crash)
 414                 unlink(get_crashfile_name());
 415
 416         lock_socket_remove();
 417
 418         main_window_destroy(mainwin);
 419
 420         plugin_unload_all("GTK");
 421
 422         prefs_toolbar_done();
 423
 424         addressbook_destroy();
 425
 426         prefs_themes_done();
 427         prefs_fonts_done();
 428         prefs_ext_prog_done();
 429         prefs_wrapping_done();
 430         prefs_msg_colors_done();
 431 #ifdef USE_ASPELL
 432         prefs_spelling_done();
 433         gtkaspell_checkers_quit();
 434 #endif
 435         sylpheed_done();
 436
 437 }
 438
 439 static void parse_cmd_opt(int argc, char *argv[])
 440 {
 441         gint i;
 442
 443         for (i = 1; i < argc; i++) {
 444                 if (!strncmp(argv[i], "--receive-all", 13))
 445                         cmd.receive_all = TRUE;
 446                 else if (!strncmp(argv[i], "--receive", 9))
 447                         cmd.receive = TRUE;
 448                 else if (!strncmp(argv[i], "--compose", 9)) {
 449                         const gchar *p = argv[i + 1];
 450
 451                         cmd.compose = TRUE;
 452                         cmd.compose_mailto = NULL;
 453                         if (p && *p != '\0' && *p != '-') {
 454                                 if (!strncmp(p, "mailto:", 7))
 455                                         cmd.compose_mailto = p + 7;
 456                                 else
 457                                         cmd.compose_mailto = p;
 458                                 i++;
 459                         }
 460                 } else if (!strncmp(argv[i], "--attach", 8)) {
 461                         const gchar *p = argv[i + 1];
 462                         gchar *file;
 463
 464                         while (p && *p != '\0' && *p != '-') {
 465                                 if (!cmd.attach_files)
 466                                         cmd.attach_files = g_ptr_array_new();
 467                                 if (*p != G_DIR_SEPARATOR)
 468                                         file = g_strconcat(sylpheed_get_startup_dir(),
 469                                                            G_DIR_SEPARATOR_S,
 470                                                            p, NULL);
 471                                 else
 472                                         file = g_strdup(p);
 473                                 g_ptr_array_add(cmd.attach_files, file);
 474                                 i++;
 475                                 p = argv[i + 1];
 476                         }
 477                 } else if (!strncmp(argv[i], "--send", 6)) {
 478                         cmd.send = TRUE;
 479                 } else if (!strncmp(argv[i], "--version", 9)) {
 480                         puts("Sylpheed version " VERSION);
 481                         exit(0);
 482                 } else if (!strncmp(argv[i], "--status-full", 13)) {
 483                         const gchar *p = argv[i + 1];
 484
 485                         cmd.status_full = TRUE;
 486                         while (p && *p != '\0' && *p != '-') {
 487                                 if (!cmd.status_full_folders)
 488                                         cmd.status_full_folders =
 489                                                 g_ptr_array_new();
 490                                 g_ptr_array_add(cmd.status_full_folders,
 491                                                 g_strdup(p));
 492                                 i++;
 493                                 p = argv[i + 1];
 494                         }
 495                 } else if (!strncmp(argv[i], "--status", 8)) {
 496                         const gchar *p = argv[i + 1];
 497
 498                         cmd.status = TRUE;
 499                         while (p && *p != '\0' && *p != '-') {
 500                                 if (!cmd.status_folders)
 501                                         cmd.status_folders = g_ptr_array_new();
 502                                 g_ptr_array_add(cmd.status_folders,
 503                                                 g_strdup(p));
 504                                 i++;
 505                                 p = argv[i + 1];
 506                         }
 507                 } else if (!strncmp(argv[i], "--online", 8)) {
 508                         cmd.online_mode = ONLINE_MODE_ONLINE;
 509                 } else if (!strncmp(argv[i], "--offline", 9)) {
 510                         cmd.online_mode = ONLINE_MODE_OFFLINE;
 511                 } else if (!strncmp(argv[i], "--help", 6)) {
 512                         g_print(_("Usage: %s [OPTION]...\n"),
 513                                 g_basename(argv[0]));
 514
 515                         puts(_("  --compose [address]    open composition window"));
 516                         puts(_("  --attach file1 [file2]...\n"
 517                                "                         open composition window with specified files\n"
 518                                "                         attached"));
 519                         puts(_("  --receive              receive new messages"));
 520                         puts(_("  --receive-all          receive new messages of all accounts"));
 521                         puts(_("  --send                 send all queued messages"));
 522                         puts(_("  --status [folder]...   show the total number of messages"));
 523                         puts(_("  --status-full [folder]...\n"
 524                                "                         show the status of each folder"));
 525                         puts(_("  --online               switch to online mode"));
 526                         puts(_("  --offline              switch to offline mode"));
 527                         puts(_("  --debug                debug mode"));
 528                         puts(_("  --help                 display this help and exit"));
 529                         puts(_("  --version              output version information and exit"));
 530                         puts(_("  --config-dir           output configuration directory"));
 531
 532                         exit(1);
 533                 } else if (!strncmp(argv[i], "--crash", 7)) {
 534                         cmd.crash = TRUE;
 535                         cmd.crash_params = g_strdup(argv[i + 1]);
 536                         i++;
 537                 } else if (!strncmp(argv[i], "--config-dir", sizeof "--config-dir" - 1)) {
 538                         puts(RC_DIR);
 539                         exit(0);
 540                 }
 541
 542         }
 543
 544         if (cmd.attach_files && cmd.compose == FALSE) {
 545                 cmd.compose = TRUE;
 546                 cmd.compose_mailto = NULL;
 547         }
 548 }
 549
 550 static gint get_queued_message_num(void)
 551 {
 552         FolderItem *queue;
 553
 554         queue = folder_get_default_queue();
 555         if (!queue) return -1;
 556
 557         folder_item_scan(queue);
 558         return queue->total_msgs;
 559 }
 560
 561 static void initial_processing(FolderItem *item, gpointer data)
 562 {
 563         MainWindow *mainwin = (MainWindow *)data;
 564         gchar *buf;
 565
 566         g_return_if_fail(item);
 567         buf = g_strdup_printf(_("Processing (%s)..."),
 568                               item->path
 569                               ? item->path
 570                               : _("top level folder"));
 571         debug_print("%s\n", buf);
 572         g_free(buf);
 573
 574         main_window_cursor_wait(mainwin);
 575
 576         if (item->prefs->enable_processing)
 577                 folder_item_apply_processing(item);
 578
 579         debug_print("done.\n");
 580         STATUSBAR_POP(mainwin);
 581         main_window_cursor_normal(mainwin);
 582 }
 583
 584 static void draft_all_messages(void)
 585 {
 586         GList *compose_list = compose_get_compose_list();
 587         GList *elem = NULL;
 588
 589         if (compose_list) {
 590                 for (elem = compose_list; elem != NULL && elem->data != NULL;
 591                      elem = elem->next) {
 592                         Compose *c = (Compose*)elem->data;
 593                         compose_draft(c);
 594                 }
 595         }
 596 }
 597
 598 gboolean clean_quit(gpointer data)
 599 {
 600         static gboolean firstrun = TRUE;
 601
 602         if (!firstrun)
 603                 return FALSE;
 604         firstrun = FALSE;
 605
 606         /*!< Good idea to have the main window stored in a
 607          *   static variable so we can check that variable
 608          *   to see if we're really allowed to do things
 609          *   that actually the spawner is supposed to
 610          *   do (like: sending mail, composing messages).
 611          *   Because, really, if we're the spawnee, and
 612          *   we touch GTK stuff, we're hosed. See the
 613          *   next fixme. */
 614
 615         /* FIXME: Use something else to signal that we're
 616          * in the original spawner, and not in a spawned
 617          * child. */
 618         if (!static_mainwindow)
 619                 return FALSE;
 620
 621         draft_all_messages();
 622
 623         exit_sylpheed(static_mainwindow);
 624         exit(0);
 625
 626         return FALSE;
 627 }
 628
 629 void app_will_exit(GtkWidget *widget, gpointer data)
 630 {
 631         MainWindow *mainwin = data;
 632
 633         if (compose_get_compose_list()) {
 634                 gint val = alertpanel(_("Really quit?"),
 635                                _("Composing message exists."),
 636                                _("Draft them"), _("Discard them"), _("Don't quit"));
 637                 switch (val) {
 638                         case G_ALERTOTHER:
 639                                 return;
 640                         case G_ALERTALTERNATE:
 641                                 break;
 642                         default:
 643                                 draft_all_messages();
 644                 }
 645
 646                 manage_window_focus_in(mainwin->window, NULL, NULL);
 647         }
 648
 649         if (prefs_common.warn_queued_on_exit && get_queued_message_num() > 0) {
 650                 if (alertpanel(_("Queued messages"),
 651                                _("Some unsent messages are queued. Exit now?"),
 652                                _("OK"), _("Cancel"), NULL) != G_ALERTDEFAULT)
 653                         return;
 654                 manage_window_focus_in(mainwin->window, NULL, NULL);
 655         }
 656         gtk_main_quit();
 657 }
 658
 659 /*
 660  * CLAWS: want this public so crash dialog can delete the
 661  * lock file too
 662  */
 663 #ifndef CLAWS
 664 static
 665 #endif
 666 gchar *get_socket_name(void)
 667 {
 668         static gchar *filename = NULL;
 669
 670         if (filename == NULL) {
 671                 filename = g_strdup_printf("%s%csylpheed-%d",
 672                                            g_get_tmp_dir(), G_DIR_SEPARATOR,
 673                                            getuid());
 674         }
 675
 676         return filename;
 677 }
 678
 679 static gchar *get_crashfile_name(void)
 680 {
 681         static gchar *filename = NULL;
 682
 683         if (filename == NULL) {
 684                 filename = g_strdup_printf("%s%csylpheed-crashed",
 685                                            get_tmp_dir(), G_DIR_SEPARATOR);
 686         }
 687
 688         return filename;
 689 }
 690
 691 static gint prohibit_duplicate_launch(void)
 692 {
 693         gint uxsock;
 694         gchar *path;
 695
 696         path = get_socket_name();
 697         uxsock = fd_connect_unix(path);
 698         if (uxsock < 0) {
 699                 unlink(path);
 700                 return fd_open_unix(path);
 701         }
 702
 703         /* remote command mode */
 704
 705         debug_print("another Sylpheed is already running.\n");
 706
 707         if (cmd.receive_all)
 708                 fd_write_all(uxsock, "receive_all\n", 12);
 709         else if (cmd.receive)
 710                 fd_write_all(uxsock, "receive\n", 8);
 711         else if (cmd.compose && cmd.attach_files) {
 712                 gchar *str, *compose_str;
 713                 gint i;
 714
 715                 if (cmd.compose_mailto)
 716                         compose_str = g_strdup_printf("compose_attach %s\n",
 717                                                       cmd.compose_mailto);
 718                 else
 719                         compose_str = g_strdup("compose_attach\n");
 720
 721                 fd_write_all(uxsock, compose_str, strlen(compose_str));
 722                 g_free(compose_str);
 723
 724                 for (i = 0; i < cmd.attach_files->len; i++) {
 725                         str = g_ptr_array_index(cmd.attach_files, i);
 726                         fd_write_all(uxsock, str, strlen(str));
 727                         fd_write_all(uxsock, "\n", 1);
 728                 }
 729
 730                 fd_write_all(uxsock, ".\n", 2);
 731         } else if (cmd.compose) {
 732                 gchar *compose_str;
 733
 734                 if (cmd.compose_mailto)
 735                         compose_str = g_strdup_printf
 736                                 ("compose %s\n", cmd.compose_mailto);
 737                 else
 738                         compose_str = g_strdup("compose\n");
 739
 740                 fd_write_all(uxsock, compose_str, strlen(compose_str));
 741                 g_free(compose_str);
 742         } else if (cmd.send) {
 743                 fd_write_all(uxsock, "send\n", 5);
 744         } else if (cmd.online_mode == ONLINE_MODE_ONLINE) {
 745                 fd_write(uxsock, "online\n", 6);
 746         } else if (cmd.online_mode == ONLINE_MODE_OFFLINE) {
 747                 fd_write(uxsock, "offline\n", 7);
 748         } else if (cmd.status || cmd.status_full) {
 749                 gchar buf[BUFFSIZE];
 750                 gint i;
 751                 const gchar *command;
 752                 GPtrArray *folders;
 753                 gchar *folder;
 754
 755                 command = cmd.status_full ? "status-full\n" : "status\n";
 756                 folders = cmd.status_full ? cmd.status_full_folders :
 757                         cmd.status_folders;
 758
 759                 fd_write_all(uxsock, command, strlen(command));
 760                 for (i = 0; folders && i < folders->len; ++i) {
 761                         folder = g_ptr_array_index(folders, i);
 762                         fd_write_all(uxsock, folder, strlen(folder));
 763                         fd_write_all(uxsock, "\n", 1);
 764                 }
 765                 fd_write_all(uxsock, ".\n", 2);
 766                 for (;;) {
 767                         fd_gets(uxsock, buf, sizeof(buf));
 768                         if (!strncmp(buf, ".\n", 2)) break;
 769                         fputs(buf, stdout);
 770                 }
 771         } else
 772                 fd_write_all(uxsock, "popup\n", 6);
 773
 774         fd_close(uxsock);
 775         return -1;
 776 }
 777
 778 static gint lock_socket_remove(void)
 779 {
 780         gchar *filename;
 781
 782         if (lock_socket < 0) return -1;
 783
 784         if (lock_socket_tag > 0)
 785                 gdk_input_remove(lock_socket_tag);
 786         fd_close(lock_socket);
 787         filename = get_socket_name();
 788         unlink(filename);
 789
 790         return 0;
 791 }
 792
 793 static GPtrArray *get_folder_item_list(gint sock)
 794 {
 795         gchar buf[BUFFSIZE];
 796         FolderItem *item;
 797         GPtrArray *folders = NULL;
 798
 799         for (;;) {
 800                 fd_gets(sock, buf, sizeof(buf));
 801                 if (!strncmp(buf, ".\n", 2)) break;
 802                 strretchomp(buf);
 803                 if (!folders) folders = g_ptr_array_new();
 804                 item = folder_find_item_from_identifier(buf);
 805                 if (item)
 806                         g_ptr_array_add(folders, item);
 807                 else
 808                         g_warning("no such folder: %s\n", buf);
 809         }
 810
 811         return folders;
 812 }
 813
 814 static void lock_socket_input_cb(gpointer data,
 815                                  gint source,
 816                                  GdkInputCondition condition)
 817 {
 818         MainWindow *mainwin = (MainWindow *)data;
 819         gint sock;
 820         gchar buf[BUFFSIZE];
 821
 822         sock = fd_accept(source);
 823         fd_gets(sock, buf, sizeof(buf));
 824
 825         if (!strncmp(buf, "popup", 5)) {
 826                 main_window_popup(mainwin);
 827         } else if (!strncmp(buf, "receive_all", 11)) {
 828                 inc_all_account_mail(mainwin, FALSE,
 829                                      prefs_common.newmail_notify_manu);
 830         } else if (!strncmp(buf, "receive", 7)) {
 831                 inc_mail(mainwin, prefs_common.newmail_notify_manu);
 832         } else if (!strncmp(buf, "compose_attach", 14)) {
 833                 GPtrArray *files;
 834                 gchar *mailto;
 835
 836                 mailto = g_strdup(buf + strlen("compose_attach") + 1);
 837                 files = g_ptr_array_new();
 838                 while (fd_gets(sock, buf, sizeof(buf)) > 0) {
 839                         if (buf[0] == '.' && buf[1] == '\n') break;
 840                         strretchomp(buf);
 841                         g_ptr_array_add(files, g_strdup(buf));
 842                 }
 843                 open_compose_new(mailto, files);
 844                 ptr_array_free_strings(files);
 845                 g_ptr_array_free(files, TRUE);
 846                 g_free(mailto);
 847         } else if (!strncmp(buf, "compose", 7)) {
 848                 open_compose_new(buf + strlen("compose") + 1, NULL);
 849         } else if (!strncmp(buf, "send", 4)) {
 850                 send_queue();
 851         } else if (!strncmp(buf, "online", 6)) {
 852                 main_window_toggle_work_offline(mainwin, FALSE);
 853         } else if (!strncmp(buf, "offline", 7)) {
 854                 main_window_toggle_work_offline(mainwin, TRUE);
 855         } else if (!strncmp(buf, "status-full", 11) ||
 856                    !strncmp(buf, "status", 6)) {
 857                 gchar *status;
 858                 GPtrArray *folders;
 859
 860                 folders = get_folder_item_list(sock);
 861                 status = folder_get_status
 862                         (folders, !strncmp(buf, "status-full", 11));
 863                 fd_write_all(sock, status, strlen(status));
 864                 fd_write_all(sock, ".\n", 2);
 865                 g_free(status);
 866                 if (folders) g_ptr_array_free(folders, TRUE);
 867         }
 868
 869         fd_close(sock);
 870 }
 871
 872 static void open_compose_new(const gchar *address, GPtrArray *attach_files)
 873 {
 874         gchar *addr = NULL;
 875
 876         if (address) {
 877                 Xstrdup_a(addr, address, return);
 878                 g_strstrip(addr);
 879         }
 880
 881         compose_new(NULL, addr, attach_files);
 882 }
 883
 884 static void send_queue(void)
 885 {
 886         GList *list;
 887
 888         for (list = folder_get_list(); list != NULL; list = list->next) {
 889                 Folder *folder = list->data;
 890
 891                 if (folder->queue) {
 892                         gint res = procmsg_send_queue
 893                                 (folder->queue, prefs_common.savemsg);
 894
 895                         if (res < 0)
 896                                 alertpanel_error(_("Some errors occurred while sending queued messages."));
 897                         if (res)
 898                                 folder_item_scan(folder->queue);
 899                 }
 900         }
 901 }
 902
 903 static void quit_signal_handler(int sig)
 904 {
 905         debug_print("Quitting on signal %d\n", sig);
 906
 907         g_timeout_add(0, clean_quit, NULL);
 908 }
 909
 910 static void install_basic_sighandlers()
 911 {
 912         sigset_t    mask;
 913         struct sigaction act;
 914
 915         sigemptyset(&mask);
 916
 917 #ifdef SIGTERM
 918         sigaddset(&mask, SIGTERM);
 919 #endif
 920 #ifdef SIGINT
 921         sigaddset(&mask, SIGINT);
 922 #endif
 923 #ifdef SIGHUP
 924         sigaddset(&mask, SIGHUP);
 925 #endif
 926
 927         act.sa_handler = quit_signal_handler;
 928         act.sa_mask    = mask;
 929         act.sa_flags   = 0;
 930
 931 #ifdef SIGTERM
 932         sigaction(SIGTERM, &act, 0);
 933 #endif
 934 #ifdef SIGINT
 935         sigaction(SIGINT, &act, 0);
 936 #endif
 937 #ifdef SIGHUP
 938         sigaction(SIGHUP, &act, 0);
 939 #endif
 940
 941         sigprocmask(SIG_UNBLOCK, &mask, 0);
 942 }