src/main.c

   1 /*
   2  * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
   3  * Copyright (C) 1999-2003 Hiroyuki Yamamoto
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; either version 2 of the License, or
   8  * (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License
  16  * along with this program; if not, write to the Free Software
  17  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  18  */
  19
  20 #ifdef HAVE_CONFIG_H
  21 #  include "config.h"
  22 #endif
  23
  24 #include "defs.h"
  25
  26 #include <glib.h>
  27 #include <gtk/gtkmain.h>
  28 #include <gtk/gtkrc.h>
  29
  30 #include <stdio.h>
  31 #include <stdlib.h>
  32 #include <string.h>
  33 #include <ctype.h>
  34 #include <unistd.h>
  35 #include <time.h>
  36 #include <sys/stat.h>
  37 #include <sys/types.h>
  38 #include <signal.h>
  39
  40 #if USE_GPGME
  41 #  include <gpgme.h>
  42 #  include "passphrase.h"
  43 #endif
  44
  45 #include "sylpheed.h"
  46 #include "intl.h"
  47 #include "main.h"
  48 #include "mainwindow.h"
  49 #include "folderview.h"
  50 #include "summaryview.h"
  51 #include "prefs_common.h"
  52 #include "prefs_account.h"
  53 #include "prefs_actions.h"
  54 #include "prefs_ext_prog.h"
  55 #include "prefs_fonts.h"
  56 #include "prefs_spelling.h"
  57 #include "prefs_themes.h"
  58 #include "prefs_display_header.h"
  59 #include "account.h"
  60 #include "procmsg.h"
  61 #include "inc.h"
  62 #include "import.h"
  63 #include "manage_window.h"
  64 #include "alertpanel.h"
  65 #include "statusbar.h"
  66 #include "addressbook.h"
  67 #include "compose.h"
  68 #include "folder.h"
  69 #include "setup.h"
  70 #include "utils.h"
  71 #include "gtkutils.h"
  72 #include "socket.h"
  73 #include "log.h"
  74 #include "prefs_toolbar.h"
  75 #include "plugin.h"
  76
  77 #if USE_GPGME
  78 #  include "sgpgme.h"
  79 #  include "pgpmime.h"
  80 #endif
  81 #if USE_OPENSSL
  82 #  include "ssl.h"
  83 #endif
  84
  85 #include "version.h"
  86
  87 #include "crash.h"
  88
  89 gchar *prog_version;
  90 #ifdef CRASH_DIALOG
  91 gchar *argv0;
  92 #endif
  93
  94 static gint lock_socket = -1;
  95 static gint lock_socket_tag = 0;
  96
  97 typedef enum
  98 {
  99         ONLINE_MODE_DONT_CHANGE,
 100         ONLINE_MODE_ONLINE,
 101         ONLINE_MODE_OFFLINE
 102 } OnlineMode;
 103
 104 static struct RemoteCmd {
 105         gboolean receive;
 106         gboolean receive_all;
 107         gboolean compose;
 108         const gchar *compose_mailto;
 109         GPtrArray *attach_files;
 110         gboolean status;
 111         gboolean status_full;
 112         GPtrArray *status_folders;
 113         GPtrArray *status_full_folders;
 114         gboolean send;
 115         gboolean crash;
 116         int online_mode;
 117         gchar   *crash_params;
 118 } cmd;
 119
 120 static void parse_cmd_opt(int argc, char *argv[]);
 121
 122 static gint prohibit_duplicate_launch   (void);
 123 static gchar * get_crashfile_name       (void);
 124 static gint lock_socket_remove          (void);
 125 static void lock_socket_input_cb        (gpointer          data,
 126                                          gint              source,
 127                                          GdkInputCondition condition);
 128 #ifndef CLAWS
 129 static
 130 #endif
 131 gchar *get_socket_name          (void);
 132
 133
 134 static void open_compose_new            (const gchar    *address,
 135                                          GPtrArray      *attach_files);
 136
 137 static void send_queue                  (void);
 138 static void initial_processing          (FolderItem *item, gpointer data);
 139 static void quit_signal_handler         (int sig);
 140 static void install_basic_sighandlers   (void);
 141 static void exit_sylpheed               (MainWindow *mainwin);
 142
 143 #if 0
 144 /* for gettext */
 145 _("File `%s' already exists.\n"
 146   "Can't create folder.")
 147 #endif
 148
 149 #define MAKE_DIR_IF_NOT_EXIST(dir) \
 150 { \
 151         if (!is_dir_exist(dir)) { \
 152                 if (is_file_exist(dir)) { \
 153                         alertpanel_warning \
 154                                 (_("File `%s' already exists.\n" \
 155                                    "Can't create folder."), \
 156                                  dir); \
 157                         return 1; \
 158                 } \
 159                 if (make_dir(dir) < 0) \
 160                         return 1; \
 161         } \
 162 }
 163
 164 static MainWindow *static_mainwindow;
 165
 166 int main(int argc, char *argv[])
 167 {
 168         gchar *userrc;
 169         MainWindow *mainwin;
 170         FolderView *folderview;
 171
 172         if (!sylpheed_init(&argc, &argv)) {
 173                 return 0;
 174         }
 175
 176         prog_version = PROG_VERSION;
 177 #ifdef CRASH_DIALOG
 178         argv0 = g_strdup(argv[0]);
 179 #endif
 180
 181         parse_cmd_opt(argc, argv);
 182
 183 #ifdef CRASH_DIALOG
 184         if (cmd.crash) {
 185                 gtk_set_locale();
 186                 gtk_init(&argc, &argv);
 187                 crash_main(cmd.crash_params);
 188                 return 0;
 189         }
 190         crash_install_handlers();
 191 #endif
 192         install_basic_sighandlers();
 193
 194         /* check and create unix domain socket */
 195         lock_socket = prohibit_duplicate_launch();
 196         if (lock_socket < 0) return 0;
 197
 198         if (cmd.status || cmd.status_full) {
 199                 puts("0 Sylpheed not running.");
 200                 lock_socket_remove();
 201                 return 0;
 202         }
 203
 204         gtk_set_locale();
 205         gtk_init(&argc, &argv);
 206
 207         gdk_rgb_init();
 208         gtk_widget_set_default_colormap(gdk_rgb_get_cmap());
 209         gtk_widget_set_default_visual(gdk_rgb_get_visual());
 210
 211 #if USE_THREADS || USE_LDAP
 212         g_thread_init(NULL);
 213         if (!g_thread_supported())
 214                 g_error(_("g_thread is not supported by glib.\n"));
 215 #endif
 216
 217         /* parse gtkrc files */
 218         userrc = g_strconcat(get_home_dir(), G_DIR_SEPARATOR_S, ".gtkrc",
 219                              NULL);
 220         gtk_rc_parse(userrc);
 221         g_free(userrc);
 222         userrc = g_strconcat(get_home_dir(), G_DIR_SEPARATOR_S, ".gtk",
 223                              G_DIR_SEPARATOR_S, "gtkrc", NULL);
 224         gtk_rc_parse(userrc);
 225         g_free(userrc);
 226         userrc = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S, "gtkrc", NULL);
 227         gtk_rc_parse(userrc);
 228         g_free(userrc);
 229
 230         gtk_rc_parse("./gtkrc");
 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 #if USE_GPGME
 252         sgpgme_init();
 253         pgpmime_init();
 254 #endif
 255         prefs_ext_prog_init();
 256         prefs_themes_init();
 257         prefs_fonts_init();
 258 #ifdef USE_ASPELL
 259         gtkaspell_checkers_init();
 260         prefs_spelling_init();
 261 #endif
 262
 263         sock_set_io_timeout(prefs_common.io_timeout_secs);
 264
 265         prefs_actions_read_config();
 266         prefs_display_header_read_config();
 267         /* prefs_filtering_read_config(); */
 268         addressbook_read_file();
 269         renderer_read_config();
 270
 271         gtkut_widget_init();
 272
 273         mainwin = main_window_create
 274                 (prefs_common.sep_folder | prefs_common.sep_msg << 1);
 275         folderview = mainwin->folderview;
 276
 277         /* register the callback of unix domain socket input */
 278         lock_socket_tag = gdk_input_add(lock_socket,
 279                                         GDK_INPUT_READ | GDK_INPUT_EXCEPTION,
 280                                         lock_socket_input_cb,
 281                                         mainwin);
 282
 283         account_read_config_all();
 284
 285         if (folder_read_list() < 0) {
 286                 setup(mainwin);
 287                 folder_write_list();
 288         }
 289         if (!account_get_list()) {
 290                 account_edit_open();
 291                 account_add();
 292         }
 293
 294         account_set_missing_folder();
 295         folder_set_missing_folders();
 296         folderview_set(folderview);
 297
 298         prefs_matcher_read_config();
 299
 300         /* make one all-folder processing before using sylpheed */
 301         folder_func_to_all_folders(initial_processing, (gpointer *)mainwin);
 302
 303         /* if Sylpheed crashed, rebuild caches */
 304         if (!cmd.crash && is_file_exist(get_crashfile_name())) {
 305                 debug_print("Sylpheed crashed, checking for new messages in local folders\n");
 306                 folderview_check_new(NULL);
 307         }
 308         /* make the crash-indicator file */
 309         str_write_to_file("foo", get_crashfile_name());
 310
 311         addressbook_read_file();
 312
 313         inc_autocheck_timer_init(mainwin);
 314
 315         /* ignore SIGPIPE signal for preventing sudden death of program */
 316         signal(SIGPIPE, SIG_IGN);
 317
 318         if (cmd.online_mode == ONLINE_MODE_OFFLINE)
 319                 main_window_toggle_work_offline(mainwin, TRUE);
 320         if (cmd.online_mode == ONLINE_MODE_ONLINE)
 321                 main_window_toggle_work_offline(mainwin, FALSE);
 322
 323         if (cmd.receive_all)
 324                 inc_all_account_mail(mainwin, FALSE,
 325                                      prefs_common.newmail_notify_manu);
 326         else if (prefs_common.chk_on_startup)
 327                 inc_all_account_mail(mainwin, TRUE,
 328                                      prefs_common.newmail_notify_manu);
 329         else if (cmd.receive)
 330                 inc_mail(mainwin, prefs_common.newmail_notify_manu);
 331         else
 332                 gtk_widget_grab_focus(folderview->ctree);
 333
 334         if (cmd.compose)
 335                 open_compose_new(cmd.compose_mailto, cmd.attach_files);
 336         if (cmd.attach_files) {
 337                 ptr_array_free_strings(cmd.attach_files);
 338                 g_ptr_array_free(cmd.attach_files, TRUE);
 339                 cmd.attach_files = NULL;
 340         }
 341         if (cmd.send)
 342                 send_queue();
 343         if (cmd.status_folders) {
 344                 g_ptr_array_free(cmd.status_folders, TRUE);
 345                 cmd.status_folders = NULL;
 346         }
 347         if (cmd.status_full_folders) {
 348                 g_ptr_array_free(cmd.status_full_folders, TRUE);
 349                 cmd.status_full_folders = NULL;
 350         }
 351
 352         prefs_toolbar_init();
 353
 354         plugin_load_all("GTK");
 355
 356         static_mainwindow = mainwin;
 357         gtk_main();
 358
 359         exit_sylpheed(mainwin);
 360
 361         return 0;
 362 }
 363
 364 static void save_all_caches(FolderItem *item, gpointer data)
 365 {
 366         if (!item->cache)
 367                 return;
 368         folder_item_write_cache(item);
 369 }
 370
 371 static void exit_sylpheed(MainWindow *mainwin)
 372 {
 373         gchar *filename;
 374         GList *list, *cur;
 375
 376         debug_print("shutting down\n");
 377
 378         inc_autocheck_timer_remove();
 379
 380         if (prefs_common.clean_on_exit)
 381                 main_window_empty_trash(mainwin, prefs_common.ask_on_clean);
 382
 383         /* save prefs for opened folder */
 384         if(mainwin->folderview->opened)
 385         {
 386                 FolderItem *item;
 387
 388                 item = gtk_ctree_node_get_row_data(GTK_CTREE(mainwin->folderview->ctree), mainwin->folderview->opened);
 389                 summary_save_prefs_to_folderitem(mainwin->folderview->summaryview, item);
 390         }
 391
 392         /* save all state before exiting */
 393         folder_write_list();
 394         folder_func_to_all_folders(save_all_caches, NULL);
 395
 396         main_window_get_size(mainwin);
 397         main_window_get_position(mainwin);
 398         prefs_common_save_config();
 399         account_save_config_all();
 400         addressbook_export_to_file();
 401
 402         filename = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S, MENU_RC, NULL);
 403         gtk_item_factory_dump_rc(filename, NULL, TRUE);
 404         g_free(filename);
 405
 406         /* delete temporary files */
 407         remove_all_files(get_mime_tmp_dir());
 408
 409         close_log_file();
 410
 411         /* delete crashfile */
 412         if (!cmd.crash)
 413                 unlink(get_crashfile_name());
 414
 415         lock_socket_remove();
 416
 417         main_window_destroy(mainwin);
 418
 419         plugin_unload_all("GTK");
 420
 421         prefs_toolbar_done();
 422
 423         addressbook_destroy();
 424
 425 #ifdef USE_GPGME
 426         pgpmime_done();
 427         sgpgme_done();
 428 #endif
 429         prefs_ext_prog_done();
 430         prefs_themes_done();
 431         prefs_fonts_done();
 432 #ifdef USE_ASPELL
 433         prefs_spelling_done();
 434         gtkaspell_checkers_quit();
 435 #endif
 436         sylpheed_done();
 437
 438 }
 439
 440 static void parse_cmd_opt(int argc, char *argv[])
 441 {
 442         gint i;
 443
 444         for (i = 1; i < argc; i++) {
 445                 if (!strncmp(argv[i], "--receive-all", 13))
 446                         cmd.receive_all = TRUE;
 447                 else if (!strncmp(argv[i], "--receive", 9))
 448                         cmd.receive = TRUE;
 449                 else if (!strncmp(argv[i], "--compose", 9)) {
 450                         const gchar *p = argv[i + 1];
 451
 452                         cmd.compose = TRUE;
 453                         cmd.compose_mailto = NULL;
 454                         if (p && *p != '\0' && *p != '-') {
 455                                 if (!strncmp(p, "mailto:", 7))
 456                                         cmd.compose_mailto = p + 7;
 457                                 else
 458                                         cmd.compose_mailto = p;
 459                                 i++;
 460                         }
 461                 } else if (!strncmp(argv[i], "--attach", 8)) {
 462                         const gchar *p = argv[i + 1];
 463                         gchar *file;
 464
 465                         while (p && *p != '\0' && *p != '-') {
 466                                 if (!cmd.attach_files)
 467                                         cmd.attach_files = g_ptr_array_new();
 468                                 if (*p != G_DIR_SEPARATOR)
 469                                         file = g_strconcat(sylpheed_get_startup_dir(),
 470                                                            G_DIR_SEPARATOR_S,
 471                                                            p, NULL);
 472                                 else
 473                                         file = g_strdup(p);
 474                                 g_ptr_array_add(cmd.attach_files, file);
 475                                 i++;
 476                                 p = argv[i + 1];
 477                         }
 478                 } else if (!strncmp(argv[i], "--send", 6)) {
 479                         cmd.send = TRUE;
 480                 } else if (!strncmp(argv[i], "--version", 9)) {
 481                         puts("Sylpheed version " VERSION);
 482                         exit(0);
 483                 } else if (!strncmp(argv[i], "--status-full", 13)) {
 484                         const gchar *p = argv[i + 1];
 485
 486                         cmd.status_full = TRUE;
 487                         while (p && *p != '\0' && *p != '-') {
 488                                 if (!cmd.status_full_folders)
 489                                         cmd.status_full_folders =
 490                                                 g_ptr_array_new();
 491                                 g_ptr_array_add(cmd.status_full_folders,
 492                                                 g_strdup(p));
 493                                 i++;
 494                                 p = argv[i + 1];
 495                         }
 496                 } else if (!strncmp(argv[i], "--status", 8)) {
 497                         const gchar *p = argv[i + 1];
 498
 499                         cmd.status = TRUE;
 500                         while (p && *p != '\0' && *p != '-') {
 501                                 if (!cmd.status_folders)
 502                                         cmd.status_folders = g_ptr_array_new();
 503                                 g_ptr_array_add(cmd.status_folders,
 504                                                 g_strdup(p));
 505                                 i++;
 506                                 p = argv[i + 1];
 507                         }
 508                 } else if (!strncmp(argv[i], "--online", 8)) {
 509                         cmd.online_mode = ONLINE_MODE_ONLINE;
 510                 } else if (!strncmp(argv[i], "--offline", 9)) {
 511                         cmd.online_mode = ONLINE_MODE_OFFLINE;
 512                 } else if (!strncmp(argv[i], "--help", 6)) {
 513                         g_print(_("Usage: %s [OPTION]...\n"),
 514                                 g_basename(argv[0]));
 515
 516                         puts(_("  --compose [address]    open composition window"));
 517                         puts(_("  --attach file1 [file2]...\n"
 518                                "                         open composition window with specified files\n"
 519                                "                         attached"));
 520                         puts(_("  --receive              receive new messages"));
 521                         puts(_("  --receive-all          receive new messages of all accounts"));
 522                         puts(_("  --send                 send all queued messages"));
 523                         puts(_("  --status [folder]...   show the total number of messages"));
 524                         puts(_("  --status-full [folder]...\n"
 525                                "                         show the status of each folder"));
 526                         puts(_("  --online               switch to online mode"));
 527                         puts(_("  --offline              switch to offline mode"));
 528                         puts(_("  --debug                debug mode"));
 529                         puts(_("  --help                 display this help and exit"));
 530                         puts(_("  --version              output version information and exit"));
 531                         puts(_("  --config-dir           output configuration directory"));
 532
 533                         exit(1);
 534                 } else if (!strncmp(argv[i], "--crash", 7)) {
 535                         cmd.crash = TRUE;
 536                         cmd.crash_params = g_strdup(argv[i + 1]);
 537                         i++;
 538                 } else if (!strncmp(argv[i], "--config-dir", sizeof "--config-dir" - 1)) {
 539                         puts(RC_DIR);
 540                         exit(0);
 541                 }
 542
 543         }
 544
 545         if (cmd.attach_files && cmd.compose == FALSE) {
 546                 cmd.compose = TRUE;
 547                 cmd.compose_mailto = NULL;
 548         }
 549 }
 550
 551 static gint get_queued_message_num(void)
 552 {
 553         FolderItem *queue;
 554
 555         queue = folder_get_default_queue();
 556         if (!queue) return -1;
 557
 558         folder_item_scan(queue);
 559         return queue->total_msgs;
 560 }
 561
 562 static void initial_processing(FolderItem *item, gpointer data)
 563 {
 564         MainWindow *mainwin = (MainWindow *)data;
 565         gchar *buf;
 566
 567         g_return_if_fail(item);
 568         buf = g_strdup_printf(_("Processing (%s)..."),
 569                               item->path
 570                               ? item->path
 571                               : _("top level folder"));
 572         debug_print("%s\n", buf);
 573         g_free(buf);
 574
 575         main_window_cursor_wait(mainwin);
 576
 577         if (item->prefs->enable_processing)
 578                 folder_item_apply_processing(item);
 579
 580         debug_print("done.\n");
 581         STATUSBAR_POP(mainwin);
 582         main_window_cursor_normal(mainwin);
 583 }
 584
 585 static void draft_all_messages(void)
 586 {
 587         GList *compose_list = compose_get_compose_list();
 588         GList *elem = NULL;
 589
 590         if (compose_list) {
 591                 for (elem = compose_list; elem != NULL && elem->data != NULL;
 592                      elem = elem->next) {
 593                         Compose *c = (Compose*)elem->data;
 594                         compose_draft(c);
 595                 }
 596         }
 597 }
 598
 599 gboolean clean_quit(gpointer data)
 600 {
 601         static gboolean firstrun = TRUE;
 602
 603         if (!firstrun)
 604                 return FALSE;
 605         firstrun = FALSE;
 606
 607         /*!< Good idea to have the main window stored in a
 608          *   static variable so we can check that variable
 609          *   to see if we're really allowed to do things
 610          *   that actually the spawner is supposed to
 611          *   do (like: sending mail, composing messages).
 612          *   Because, really, if we're the spawnee, and
 613          *   we touch GTK stuff, we're hosed. See the
 614          *   next fixme. */
 615
 616         /* FIXME: Use something else to signal that we're
 617          * in the original spawner, and not in a spawned
 618          * child. */
 619         if (!static_mainwindow)
 620                 return FALSE;
 621
 622         draft_all_messages();
 623
 624         exit_sylpheed(static_mainwindow);
 625         exit(0);
 626
 627         return FALSE;
 628 }
 629
 630 void app_will_exit(GtkWidget *widget, gpointer data)
 631 {
 632         MainWindow *mainwin = data;
 633
 634         if (compose_get_compose_list()) {
 635                 gint val = alertpanel(_("Notice"),
 636                                _("Composing message exists."),
 637                                _("Draft them"), _("Discard them"), _("Don't quit"));
 638                 switch (val) {
 639                         case G_ALERTOTHER:
 640                                 return;
 641                         case G_ALERTALTERNATE:
 642                                 break;
 643                         default:
 644                                 draft_all_messages();
 645                 }
 646
 647                 manage_window_focus_in(mainwin->window, NULL, NULL);
 648         }
 649
 650         if (prefs_common.warn_queued_on_exit && get_queued_message_num() > 0) {
 651                 if (alertpanel(_("Queued messages"),
 652                                _("Some unsent messages are queued. Exit now?"),
 653                                _("OK"), _("Cancel"), NULL) != G_ALERTDEFAULT)
 654                         return;
 655                 manage_window_focus_in(mainwin->window, NULL, NULL);
 656         }
 657         gtk_main_quit();
 658 }
 659
 660 /*
 661  * CLAWS: want this public so crash dialog can delete the
 662  * lock file too
 663  */
 664 #ifndef CLAWS
 665 static
 666 #endif
 667 gchar *get_socket_name(void)
 668 {
 669         static gchar *filename = NULL;
 670
 671         if (filename == NULL) {
 672                 filename = g_strdup_printf("%s%csylpheed-%d",
 673                                            g_get_tmp_dir(), G_DIR_SEPARATOR,
 674                                            getuid());
 675         }
 676
 677         return filename;
 678 }
 679
 680 static gchar *get_crashfile_name(void)
 681 {
 682         static gchar *filename = NULL;
 683
 684         if (filename == NULL) {
 685                 filename = g_strdup_printf("%s%csylpheed-crashed",
 686                                            get_tmp_dir(), G_DIR_SEPARATOR);
 687         }
 688
 689         return filename;
 690 }
 691
 692 static gint prohibit_duplicate_launch(void)
 693 {
 694         gint uxsock;
 695         gchar *path;
 696
 697         path = get_socket_name();
 698         uxsock = fd_connect_unix(path);
 699         if (uxsock < 0) {
 700                 unlink(path);
 701                 return fd_open_unix(path);
 702         }
 703
 704         /* remote command mode */
 705
 706         debug_print("another Sylpheed is already running.\n");
 707
 708         if (cmd.receive_all)
 709                 fd_write_all(uxsock, "receive_all\n", 12);
 710         else if (cmd.receive)
 711                 fd_write_all(uxsock, "receive\n", 8);
 712         else if (cmd.compose && cmd.attach_files) {
 713                 gchar *str, *compose_str;
 714                 gint i;
 715
 716                 if (cmd.compose_mailto)
 717                         compose_str = g_strdup_printf("compose_attach %s\n",
 718                                                       cmd.compose_mailto);
 719                 else
 720                         compose_str = g_strdup("compose_attach\n");
 721
 722                 fd_write_all(uxsock, compose_str, strlen(compose_str));
 723                 g_free(compose_str);
 724
 725                 for (i = 0; i < cmd.attach_files->len; i++) {
 726                         str = g_ptr_array_index(cmd.attach_files, i);
 727                         fd_write_all(uxsock, str, strlen(str));
 728                         fd_write_all(uxsock, "\n", 1);
 729                 }
 730
 731                 fd_write_all(uxsock, ".\n", 2);
 732         } else if (cmd.compose) {
 733                 gchar *compose_str;
 734
 735                 if (cmd.compose_mailto)
 736                         compose_str = g_strdup_printf
 737                                 ("compose %s\n", cmd.compose_mailto);
 738                 else
 739                         compose_str = g_strdup("compose\n");
 740
 741                 fd_write_all(uxsock, compose_str, strlen(compose_str));
 742                 g_free(compose_str);
 743         } else if (cmd.send) {
 744                 fd_write_all(uxsock, "send\n", 5);
 745         } else if (cmd.online_mode == ONLINE_MODE_ONLINE) {
 746                 fd_write(uxsock, "online\n", 6);
 747         } else if (cmd.online_mode == ONLINE_MODE_OFFLINE) {
 748                 fd_write(uxsock, "offline\n", 7);
 749         } else if (cmd.status || cmd.status_full) {
 750                 gchar buf[BUFFSIZE];
 751                 gint i;
 752                 const gchar *command;
 753                 GPtrArray *folders;
 754                 gchar *folder;
 755
 756                 command = cmd.status_full ? "status-full\n" : "status\n";
 757                 folders = cmd.status_full ? cmd.status_full_folders :
 758                         cmd.status_folders;
 759
 760                 fd_write_all(uxsock, command, strlen(command));
 761                 for (i = 0; folders && i < folders->len; ++i) {
 762                         folder = g_ptr_array_index(folders, i);
 763                         fd_write_all(uxsock, folder, strlen(folder));
 764                         fd_write_all(uxsock, "\n", 1);
 765                 }
 766                 fd_write_all(uxsock, ".\n", 2);
 767                 for (;;) {
 768                         fd_gets(uxsock, buf, sizeof(buf));
 769                         if (!strncmp(buf, ".\n", 2)) break;
 770                         fputs(buf, stdout);
 771                 }
 772         } else
 773                 fd_write_all(uxsock, "popup\n", 6);
 774
 775         fd_close(uxsock);
 776         return -1;
 777 }
 778
 779 static gint lock_socket_remove(void)
 780 {
 781         gchar *filename;
 782
 783         if (lock_socket < 0) return -1;
 784
 785         if (lock_socket_tag > 0)
 786                 gdk_input_remove(lock_socket_tag);
 787         fd_close(lock_socket);
 788         filename = get_socket_name();
 789         unlink(filename);
 790
 791         return 0;
 792 }
 793
 794 static GPtrArray *get_folder_item_list(gint sock)
 795 {
 796         gchar buf[BUFFSIZE];
 797         FolderItem *item;
 798         GPtrArray *folders = NULL;
 799
 800         for (;;) {
 801                 fd_gets(sock, buf, sizeof(buf));
 802                 if (!strncmp(buf, ".\n", 2)) break;
 803                 strretchomp(buf);
 804                 if (!folders) folders = g_ptr_array_new();
 805                 item = folder_find_item_from_identifier(buf);
 806                 if (item)
 807                         g_ptr_array_add(folders, item);
 808                 else
 809                         g_warning("no such folder: %s\n", buf);
 810         }
 811
 812         return folders;
 813 }
 814
 815 static void lock_socket_input_cb(gpointer data,
 816                                  gint source,
 817                                  GdkInputCondition condition)
 818 {
 819         MainWindow *mainwin = (MainWindow *)data;
 820         gint sock;
 821         gchar buf[BUFFSIZE];
 822
 823         sock = fd_accept(source);
 824         fd_gets(sock, buf, sizeof(buf));
 825
 826         if (!strncmp(buf, "popup", 5)) {
 827                 main_window_popup(mainwin);
 828         } else if (!strncmp(buf, "receive_all", 11)) {
 829                 inc_all_account_mail(mainwin, FALSE,
 830                                      prefs_common.newmail_notify_manu);
 831         } else if (!strncmp(buf, "receive", 7)) {
 832                 inc_mail(mainwin, prefs_common.newmail_notify_manu);
 833         } else if (!strncmp(buf, "compose_attach", 14)) {
 834                 GPtrArray *files;
 835                 gchar *mailto;
 836
 837                 mailto = g_strdup(buf + strlen("compose_attach") + 1);
 838                 files = g_ptr_array_new();
 839                 while (fd_gets(sock, buf, sizeof(buf)) > 0) {
 840                         if (buf[0] == '.' && buf[1] == '\n') break;
 841                         strretchomp(buf);
 842                         g_ptr_array_add(files, g_strdup(buf));
 843                 }
 844                 open_compose_new(mailto, files);
 845                 ptr_array_free_strings(files);
 846                 g_ptr_array_free(files, TRUE);
 847                 g_free(mailto);
 848         } else if (!strncmp(buf, "compose", 7)) {
 849                 open_compose_new(buf + strlen("compose") + 1, NULL);
 850         } else if (!strncmp(buf, "send", 4)) {
 851                 send_queue();
 852         } else if (!strncmp(buf, "online", 6)) {
 853                 main_window_toggle_work_offline(mainwin, FALSE);
 854         } else if (!strncmp(buf, "offline", 7)) {
 855                 main_window_toggle_work_offline(mainwin, TRUE);
 856         } else if (!strncmp(buf, "status-full", 11) ||
 857                    !strncmp(buf, "status", 6)) {
 858                 gchar *status;
 859                 GPtrArray *folders;
 860
 861                 folders = get_folder_item_list(sock);
 862                 status = folder_get_status
 863                         (folders, !strncmp(buf, "status-full", 11));
 864                 fd_write_all(sock, status, strlen(status));
 865                 fd_write_all(sock, ".\n", 2);
 866                 g_free(status);
 867                 if (folders) g_ptr_array_free(folders, TRUE);
 868         }
 869
 870         fd_close(sock);
 871 }
 872
 873 static void open_compose_new(const gchar *address, GPtrArray *attach_files)
 874 {
 875         gchar *addr = NULL;
 876
 877         if (address) {
 878                 Xstrdup_a(addr, address, return);
 879                 g_strstrip(addr);
 880         }
 881
 882         compose_new(NULL, addr, attach_files);
 883 }
 884
 885 static void send_queue(void)
 886 {
 887         GList *list;
 888
 889         for (list = folder_get_list(); list != NULL; list = list->next) {
 890                 Folder *folder = list->data;
 891
 892                 if (folder->queue) {
 893                         gint res = procmsg_send_queue
 894                                 (folder->queue, prefs_common.savemsg);
 895
 896                         if (res < 0)
 897                                 alertpanel_error(_("Some errors occurred while sending queued messages."));
 898                         if (res)
 899                                 folder_item_scan(folder->queue);
 900                 }
 901         }
 902 }
 903
 904 static void quit_signal_handler(int sig)
 905 {
 906         debug_print("Quitting on signal %d\n", sig);
 907
 908         g_timeout_add(0, clean_quit, NULL);
 909 }
 910
 911 static void install_basic_sighandlers()
 912 {
 913         sigset_t    mask;
 914         struct sigaction act;
 915
 916         sigemptyset(&mask);
 917
 918 #ifdef SIGTERM
 919         sigaddset(&mask, SIGTERM);
 920 #endif
 921 #ifdef SIGINT
 922         sigaddset(&mask, SIGINT);
 923 #endif
 924
 925         act.sa_handler = quit_signal_handler;
 926         act.sa_mask    = mask;
 927         act.sa_flags   = 0;
 928
 929 #ifdef SIGTERM
 930         sigaction(SIGTERM, &act, 0);
 931 #endif
 932 #ifdef SIGINT
 933         sigaction(SIGINT, &act, 0);
 934 #endif
 935
 936         sigprocmask(SIG_UNBLOCK, &mask, 0);
 937 }