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