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