src/main.c

   1 /*
   2  * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
   3  * Copyright (C) 1999-2007 Hiroyuki Yamamoto and the Claws Mail team
   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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, 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 <glib/gi18n.h>
  28 #include <gtk/gtkmain.h>
  29 #include <gtk/gtkrc.h>
  30
  31 #include <stdio.h>
  32 #include <stdlib.h>
  33 #include <string.h>
  34 #include <ctype.h>
  35 #include <unistd.h>
  36 #include <time.h>
  37 #include <sys/stat.h>
  38 #include <sys/types.h>
  39 #ifdef G_OS_UNIX
  40 #  include <signal.h>
  41 #endif
  42 #ifdef HAVE_LIBSM
  43 #include <X11/SM/SMlib.h>
  44 #include <fcntl.h>
  45 #endif
  46
  47 #include "wizard.h"
  48 #ifdef HAVE_STARTUP_NOTIFICATION
  49 # define SN_API_NOT_YET_FROZEN
  50 # include <libsn/sn-launchee.h>
  51 # include <gdk/gdkx.h>
  52 #endif
  53
  54 #include "claws.h"
  55 #include "main.h"
  56 #include "mainwindow.h"
  57 #include "folderview.h"
  58 #include "image_viewer.h"
  59 #include "summaryview.h"
  60 #include "prefs_common.h"
  61 #include "prefs_account.h"
  62 #include "prefs_actions.h"
  63 #include "prefs_ext_prog.h"
  64 #include "prefs_fonts.h"
  65 #include "prefs_image_viewer.h"
  66 #include "prefs_message.h"
  67 #include "prefs_receive.h"
  68 #include "prefs_msg_colors.h"
  69 #include "prefs_quote.h"
  70 #include "prefs_spelling.h"
  71 #include "prefs_summaries.h"
  72 #include "prefs_themes.h"
  73 #include "prefs_other.h"
  74 #include "prefs_send.h"
  75 #include "prefs_wrapping.h"
  76 #include "prefs_compose_writing.h"
  77 #include "prefs_display_header.h"
  78 #include "account.h"
  79 #include "procmsg.h"
  80 #include "inc.h"
  81 #include "import.h"
  82 #include "manage_window.h"
  83 #include "alertpanel.h"
  84 #include "statusbar.h"
  85 #include "addressbook.h"
  86 #include "compose.h"
  87 #include "folder.h"
  88 #include "setup.h"
  89 #include "utils.h"
  90 #include "gtkutils.h"
  91 #include "socket.h"
  92 #include "log.h"
  93 #include "prefs_toolbar.h"
  94 #include "plugin.h"
  95 #include "mh_gtk.h"
  96 #include "imap_gtk.h"
  97 #include "news_gtk.h"
  98 #include "matcher.h"
  99 #ifdef HAVE_LIBETPAN
 100 #include "imap-thread.h"
 101 #endif
 102 #include "stock_pixmap.h"
 103
 104 #if USE_OPENSSL
 105 #  include "ssl.h"
 106 #endif
 107
 108 #include "version.h"
 109
 110 #include "crash.h"
 111
 112 #include "timing.h"
 113
 114 gchar *prog_version;
 115 gchar *argv0;
 116
 117 #ifdef HAVE_STARTUP_NOTIFICATION
 118 static SnLauncheeContext *sn_context = NULL;
 119 static SnDisplay *sn_display = NULL;
 120 #endif
 121
 122 static gint lock_socket = -1;
 123 static gint lock_socket_tag = 0;
 124
 125 typedef enum
 126 {
 127         ONLINE_MODE_DONT_CHANGE,
 128         ONLINE_MODE_ONLINE,
 129         ONLINE_MODE_OFFLINE
 130 } OnlineMode;
 131
 132 static struct RemoteCmd {
 133         gboolean receive;
 134         gboolean receive_all;
 135         gboolean compose;
 136         const gchar *compose_mailto;
 137         GPtrArray *attach_files;
 138         gboolean status;
 139         gboolean status_full;
 140         GPtrArray *status_folders;
 141         GPtrArray *status_full_folders;
 142         gboolean send;
 143         gboolean crash;
 144         int online_mode;
 145         gchar   *crash_params;
 146         gboolean exit;
 147         gboolean subscribe;
 148         const gchar *subscribe_uri;
 149         const gchar *target;
 150 } cmd;
 151
 152 static void parse_cmd_opt(int argc, char *argv[]);
 153
 154 static gint prohibit_duplicate_launch   (void);
 155 static gchar * get_crashfile_name       (void);
 156 static gint lock_socket_remove          (void);
 157 static void lock_socket_input_cb        (gpointer          data,
 158                                          gint              source,
 159                                          GdkInputCondition condition);
 160
 161 gchar *get_socket_name          (void);
 162
 163
 164 static void open_compose_new            (const gchar    *address,
 165                                          GPtrArray      *attach_files);
 166
 167 static void send_queue                  (void);
 168 static void initial_processing          (FolderItem *item, gpointer data);
 169 static void quit_signal_handler         (int sig);
 170 static void install_basic_sighandlers   (void);
 171 static void exit_claws                  (MainWindow *mainwin);
 172
 173 #define MAKE_DIR_IF_NOT_EXIST(dir) \
 174 { \
 175         if (!is_dir_exist(dir)) { \
 176                 if (is_file_exist(dir)) { \
 177                         alertpanel_warning \
 178                                 (_("File '%s' already exists.\n" \
 179                                    "Can't create folder."), \
 180                                  dir); \
 181                         return 1; \
 182                 } \
 183                 if (make_dir(dir) < 0) \
 184                         return 1; \
 185         } \
 186 }
 187
 188 static MainWindow *static_mainwindow;
 189 static gboolean emergency_exit = FALSE;
 190
 191 #ifdef HAVE_STARTUP_NOTIFICATION
 192 static void sn_error_trap_push(SnDisplay *display, Display *xdisplay)
 193 {
 194         gdk_error_trap_push();
 195 }
 196
 197 static void sn_error_trap_pop(SnDisplay *display, Display *xdisplay)
 198 {
 199         gdk_error_trap_pop();
 200 }
 201
 202 static void startup_notification_complete(gboolean with_window)
 203 {
 204         Display *xdisplay;
 205         GtkWidget *hack = NULL;
 206
 207         if (with_window) {
 208                 /* this is needed to make the startup notification leave,
 209                  * if we have been launched from a menu.
 210                  * We have to display a window, so let it be very little */
 211                 hack = gtk_window_new(GTK_WINDOW_POPUP);
 212                 gtk_widget_set_uposition(hack, 0, 0);
 213                 gtk_widget_set_size_request(hack, 1, 1);
 214                 gtk_widget_show(hack);
 215         }
 216
 217         xdisplay = GDK_DISPLAY();
 218         sn_display = sn_display_new(xdisplay,
 219                                 sn_error_trap_push,
 220                                 sn_error_trap_pop);
 221         sn_context = sn_launchee_context_new_from_environment(sn_display,
 222                                                  DefaultScreen(xdisplay));
 223
 224         if (sn_context != NULL) {
 225                 sn_launchee_context_complete(sn_context);
 226                 sn_launchee_context_unref(sn_context);
 227                 sn_display_unref(sn_display);
 228         }
 229         if (with_window) {
 230                 gtk_widget_destroy(hack);
 231         }
 232 }
 233 #endif /* HAVE_STARTUP_NOTIFICATION */
 234
 235 void claws_gtk_idle(void)
 236 {
 237         while(gtk_events_pending()) {
 238                 gtk_main_iteration();
 239         }
 240         g_usleep(50000);
 241 }
 242
 243 gboolean defer_check_all(void *data)
 244 {
 245         gboolean autochk = GPOINTER_TO_INT(data);
 246
 247         inc_all_account_mail(static_mainwindow, autochk,
 248                         prefs_common.newmail_notify_manu);
 249
 250         return FALSE;
 251 }
 252
 253 gboolean defer_check(void *data)
 254 {
 255         inc_mail(static_mainwindow, prefs_common.newmail_notify_manu);
 256
 257         return FALSE;
 258 }
 259
 260 static gboolean defer_jump(void *data)
 261 {
 262         mainwindow_jump_to(data);
 263         return FALSE;
 264 }
 265
 266 static void chk_update_val(GtkWidget *widget, gpointer data)
 267 {
 268         gboolean *val = (gboolean *)data;
 269         *val = gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(widget));
 270 }
 271
 272 static gboolean migrate_old_config(const gchar *old_cfg_dir, const gchar *new_cfg_dir, const gchar *oldversion)
 273 {
 274         gchar *message = g_strdup_printf(_("Configuration for %s (or previous) found.\n"
 275                          "Do you want to migrate this configuration?"), oldversion);
 276         gint r = 0;
 277         GtkWidget *window = NULL;
 278         GtkWidget *keep_backup_chk;
 279         GtkTooltips *tips = gtk_tooltips_new();
 280         gboolean backup = TRUE;
 281
 282         keep_backup_chk = gtk_check_button_new_with_label (_("Keep old configuration"));
 283         gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(keep_backup_chk), TRUE);
 284         gtk_tooltips_set_tip(GTK_TOOLTIPS(tips), keep_backup_chk,
 285                              _("Keeping a backup will allow you to go back to an "
 286                                "older version, but may take a while if you have "
 287                                "cached IMAP or News data, and will take some extra "
 288                                "room on your disk."),
 289                              NULL);
 290
 291         g_signal_connect(G_OBJECT(keep_backup_chk), "toggled",
 292                         G_CALLBACK(chk_update_val), &backup);
 293
 294         if (alertpanel_full(_("Migration of configuration"), message,
 295                         GTK_STOCK_NO, "+" GTK_STOCK_YES, NULL, FALSE,
 296                         keep_backup_chk, ALERT_QUESTION, G_ALERTDEFAULT) != G_ALERTALTERNATE) {
 297                 return FALSE;
 298         }
 299
 300         /* we can either do a fast migration requiring not any extra disk
 301          * space, or a slow one that copies the old configuration and leaves
 302          * it in place. */
 303         if (backup) {
 304 backup_mode:
 305                 window = label_window_create(_("Copying configuration... This may take a while..."));
 306                 GTK_EVENTS_FLUSH();
 307
 308                 r = copy_dir(old_cfg_dir, new_cfg_dir);
 309                 gtk_widget_destroy(window);
 310
 311                 /* if copy failed, we'll remove the partially copied
 312                  * new directory */
 313                 if (r != 0) {
 314                         alertpanel_error(_("Migration failed!"));
 315                         remove_dir_recursive(new_cfg_dir);
 316                 } else {
 317                         if (!backup) {
 318                                 /* fast mode failed, but we don't want backup */
 319                                 remove_dir_recursive(old_cfg_dir);
 320                         }
 321                 }
 322         } else {
 323                 window = label_window_create(_("Migrating configuration..."));
 324                 GTK_EVENTS_FLUSH();
 325
 326                 r = g_rename(old_cfg_dir, new_cfg_dir);
 327                 gtk_widget_destroy(window);
 328
 329                 /* if g_rename failed, we'll try to copy */
 330                 if (r != 0) {
 331                         FILE_OP_ERROR(new_cfg_dir, "g_rename failed, trying copy\n");
 332                         goto backup_mode;
 333                 }
 334         }
 335         return (r == 0);
 336 }
 337
 338 static void migrate_common_rc(const gchar *old_rc, const gchar *new_rc)
 339 {
 340         FILE *oldfp, *newfp;
 341         gchar *plugin_path, *old_plugin_path, *new_plugin_path;
 342         gchar buf[BUFFSIZE];
 343         oldfp = g_fopen(old_rc, "r");
 344         if (!oldfp)
 345                 return;
 346         newfp = g_fopen(new_rc, "w");
 347         if (!newfp) {
 348                 fclose(oldfp);
 349                 return;
 350         }
 351
 352         plugin_path = g_strdup(get_plugin_dir());
 353         new_plugin_path = g_strdup(plugin_path);
 354
 355         if (strstr(plugin_path, "/claws-mail/")) {
 356                 gchar *end = g_strdup(strstr(plugin_path, "/claws-mail/")+strlen("/claws-mail/"));
 357                 *(strstr(plugin_path, "/claws-mail/")) = '\0';
 358                 old_plugin_path = g_strconcat(plugin_path, "/sylpheed-claws/", end, NULL);
 359                 g_free(end);
 360         } else {
 361                 old_plugin_path = g_strdup(new_plugin_path);
 362         }
 363         debug_print("replacing %s with %s\n", old_plugin_path, new_plugin_path);
 364         while (fgets(buf, sizeof(buf), oldfp)) {
 365                 if (strncmp(buf, old_plugin_path, strlen(old_plugin_path))) {
 366                         fputs(buf, newfp);
 367                 } else {
 368                         debug_print("->replacing %s", buf);
 369                         debug_print("  with %s%s", new_plugin_path, buf+strlen(old_plugin_path));
 370                         fputs(new_plugin_path, newfp);
 371                         fputs(buf+strlen(old_plugin_path), newfp);
 372                 }
 373         }
 374         g_free(plugin_path);
 375         g_free(new_plugin_path);
 376         g_free(old_plugin_path);
 377         fclose(oldfp);
 378         fclose(newfp);
 379 }
 380
 381 #ifdef HAVE_LIBSM
 382 static void
 383 sc_client_set_value (MainWindow *mainwin,
 384                   gchar       *name,
 385                   char        *type,
 386                   int          num_vals,
 387                   SmPropValue *vals)
 388 {
 389         SmProp *proplist[1];
 390         SmProp prop;
 391
 392         prop.name = name;
 393         prop.type = type;
 394         prop.num_vals = num_vals;
 395         prop.vals = vals;
 396
 397         proplist[0]= &prop;
 398         if (mainwin->smc_conn)
 399                 SmcSetProperties ((SmcConn) mainwin->smc_conn, 1, proplist);
 400 }
 401
 402 static void sc_die_callback (SmcConn smc_conn, SmPointer client_data)
 403 {
 404         clean_quit(NULL);
 405 }
 406
 407 static void sc_save_complete_callback(SmcConn smc_conn, SmPointer client_data)
 408 {
 409 }
 410
 411 static void sc_shutdown_cancelled_callback (SmcConn smc_conn, SmPointer client_data)
 412 {
 413         MainWindow *mainwin = (MainWindow *)client_data;
 414         if (mainwin->smc_conn)
 415                 SmcSaveYourselfDone ((SmcConn) mainwin->smc_conn, TRUE);
 416 }
 417
 418 static void sc_save_yourself_callback (SmcConn   smc_conn,
 419                                SmPointer client_data,
 420                                int       save_style,
 421                                gboolean  shutdown,
 422                                int       interact_style,
 423                                gboolean  fast) {
 424
 425         MainWindow *mainwin = (MainWindow *)client_data;
 426         if (mainwin->smc_conn)
 427                 SmcSaveYourselfDone ((SmcConn) mainwin->smc_conn, TRUE);
 428 }
 429
 430 static IceIOErrorHandler sc_ice_installed_handler;
 431
 432 static void sc_ice_io_error_handler (IceConn connection)
 433 {
 434         if (sc_ice_installed_handler)
 435                 (*sc_ice_installed_handler) (connection);
 436 }
 437 static gboolean sc_process_ice_messages (GIOChannel   *source,
 438                       GIOCondition  condition,
 439                       gpointer      data)
 440 {
 441         IceConn connection = (IceConn) data;
 442         IceProcessMessagesStatus status;
 443
 444         status = IceProcessMessages (connection, NULL, NULL);
 445
 446         if (status == IceProcessMessagesIOError) {
 447                 IcePointer context = IceGetConnectionContext (connection);
 448
 449                 if (context && GTK_IS_OBJECT (context)) {
 450                 guint disconnect_id = g_signal_lookup ("disconnect", G_OBJECT_TYPE (context));
 451
 452                 if (disconnect_id > 0)
 453                         g_signal_emit (context, disconnect_id, 0);
 454                 } else {
 455                         IceSetShutdownNegotiation (connection, False);
 456                         IceCloseConnection (connection);
 457                 }
 458         }
 459
 460         return TRUE;
 461 }
 462
 463 static void new_ice_connection (IceConn connection, IcePointer client_data, Bool opening,
 464                     IcePointer *watch_data)
 465 {
 466         guint input_id;
 467
 468         if (opening) {
 469                 GIOChannel *channel;
 470                 /* Make sure we don't pass on these file descriptors to any
 471                 exec'ed children */
 472                 fcntl(IceConnectionNumber(connection),F_SETFD,
 473                 fcntl(IceConnectionNumber(connection),F_GETFD,0) | FD_CLOEXEC);
 474
 475                 channel = g_io_channel_unix_new (IceConnectionNumber (connection));
 476                 input_id = g_io_add_watch (channel,
 477                 G_IO_IN | G_IO_HUP | G_IO_ERR | G_IO_PRI,
 478                 sc_process_ice_messages,
 479                 connection);
 480                 g_io_channel_unref (channel);
 481
 482                 *watch_data = (IcePointer) GUINT_TO_POINTER (input_id);
 483         } else {
 484                 input_id = GPOINTER_TO_UINT ((gpointer) *watch_data);
 485                 g_source_remove (input_id);
 486         }
 487 }
 488
 489 static void sc_session_manager_connect(MainWindow *mainwin)
 490 {
 491         static gboolean connected = FALSE;
 492         SmcCallbacks      callbacks;
 493         gchar            *client_id;
 494         IceIOErrorHandler default_handler;
 495
 496         if (connected)
 497                 return;
 498         connected = TRUE;
 499
 500
 501         sc_ice_installed_handler = IceSetIOErrorHandler (NULL);
 502         default_handler = IceSetIOErrorHandler (sc_ice_io_error_handler);
 503
 504         if (sc_ice_installed_handler == default_handler)
 505                 sc_ice_installed_handler = NULL;
 506
 507         IceAddConnectionWatch (new_ice_connection, NULL);
 508
 509
 510         callbacks.save_yourself.callback      = sc_save_yourself_callback;
 511         callbacks.die.callback                = sc_die_callback;
 512         callbacks.save_complete.callback      = sc_save_complete_callback;
 513         callbacks.shutdown_cancelled.callback = sc_shutdown_cancelled_callback;
 514
 515         callbacks.save_yourself.client_data =
 516                 callbacks.die.client_data =
 517                 callbacks.save_complete.client_data =
 518                 callbacks.shutdown_cancelled.client_data = (SmPointer) mainwin;
 519         if (g_getenv ("SESSION_MANAGER")) {
 520                 gchar error_string_ret[256] = "";
 521
 522                 mainwin->smc_conn = (gpointer)
 523                         SmcOpenConnection (NULL, mainwin,
 524                                 SmProtoMajor, SmProtoMinor,
 525                                 SmcSaveYourselfProcMask | SmcDieProcMask |
 526                                 SmcSaveCompleteProcMask |
 527                                 SmcShutdownCancelledProcMask,
 528                                 &callbacks,
 529                                 NULL, &client_id,
 530                                 256, error_string_ret);
 531
 532                 if (error_string_ret[0] || mainwin->smc_conn == NULL)
 533                         g_warning ("While connecting to session manager:\n%s.",
 534                                 error_string_ret);
 535                 else {
 536                         SmPropValue *vals;
 537                         vals = g_new (SmPropValue, 1);
 538                         vals[0].length = strlen(argv0);
 539                         vals[0].value = argv0;
 540                         sc_client_set_value (mainwin, SmCloneCommand, SmLISTofARRAY8, 1, vals);
 541                         sc_client_set_value (mainwin, SmRestartCommand, SmLISTofARRAY8, 1, vals);
 542                         sc_client_set_value (mainwin, SmProgram, SmARRAY8, 1, vals);
 543
 544                         vals[0].length = strlen(g_get_user_name()?g_get_user_name():"");
 545                         vals[0].value = g_strdup(g_get_user_name()?g_get_user_name():"");
 546                         sc_client_set_value (mainwin, SmUserID, SmARRAY8, 1, vals);
 547                 }
 548         }
 549 }
 550 #endif
 551
 552 static gboolean sc_exiting = FALSE;
 553 static gboolean sc_starting = FALSE;
 554
 555 int main(int argc, char *argv[])
 556 {
 557         gchar *userrc;
 558         MainWindow *mainwin;
 559         FolderView *folderview;
 560         GdkPixbuf *icon;
 561         gboolean crash_file_present = FALSE;
 562         gint num_folder_class = 0;
 563         gboolean asked_for_migration = FALSE;
 564
 565         START_TIMING("startup");
 566
 567         sc_starting = TRUE;
 568
 569         if (!claws_init(&argc, &argv)) {
 570                 return 0;
 571         }
 572
 573         prefs_prepare_cache();
 574         prog_version = PROG_VERSION;
 575         argv0 = g_strdup(argv[0]);
 576
 577         parse_cmd_opt(argc, argv);
 578
 579 #ifdef CRASH_DIALOG
 580         if (cmd.crash) {
 581                 gtk_set_locale();
 582                 gtk_init(&argc, &argv);
 583                 crash_main(cmd.crash_params);
 584                 return 0;
 585         }
 586         crash_install_handlers();
 587 #endif
 588         install_basic_sighandlers();
 589         sock_init();
 590
 591         /* check and create unix domain socket for remote operation */
 592 #ifdef G_OS_UNIX
 593         lock_socket = prohibit_duplicate_launch();
 594         if (lock_socket < 0) {
 595 #ifdef HAVE_STARTUP_NOTIFICATION
 596                 if(gtk_init_check(&argc, &argv))
 597                         startup_notification_complete(TRUE);
 598 #endif
 599                 return 0;
 600         }
 601
 602         if (cmd.status || cmd.status_full) {
 603                 puts("0 Claws Mail not running.");
 604                 lock_socket_remove();
 605                 return 0;
 606         }
 607
 608         if (cmd.exit)
 609                 return 0;
 610 #endif
 611         if (!g_thread_supported())
 612                 g_thread_init(NULL);
 613
 614         gtk_set_locale();
 615         gtk_init(&argc, &argv);
 616
 617         gdk_rgb_init();
 618         gtk_widget_set_default_colormap(gdk_rgb_get_colormap());
 619         gtk_widget_set_default_visual(gdk_rgb_get_visual());
 620
 621         if (!g_thread_supported()) {
 622                 g_error(_("g_thread is not supported by glib.\n"));
 623         }
 624
 625         /* check that we're not on a too recent/old gtk+ */
 626 #if GTK_CHECK_VERSION(2, 9, 0)
 627         if (gtk_check_version(2, 9, 0) != NULL) {
 628                 alertpanel_error(_("Claws Mail has been compiled with "
 629                                    "a more recent GTK+ library than is "
 630                                    "currently available. This will cause "
 631                                    "crashes. You need to upgrade GTK+ or "
 632                                    "recompile Claws Mail."));
 633                 exit(1);
 634         }
 635 #else
 636         if (gtk_check_version(2, 9, 0) == NULL) {
 637                 alertpanel_error(_("Claws Mail has been compiled with "
 638                                    "an older GTK+ library than is "
 639                                    "currently available. This will cause "
 640                                    "crashes. You need to recompile "
 641                                    "Claws Mail."));
 642                 exit(1);
 643         }
 644 #endif
 645         /* parse gtkrc files */
 646         userrc = g_strconcat(get_home_dir(), G_DIR_SEPARATOR_S, ".gtkrc-2.0",
 647                              NULL);
 648         gtk_rc_parse(userrc);
 649         g_free(userrc);
 650         userrc = g_strconcat(get_home_dir(), G_DIR_SEPARATOR_S, ".gtk",
 651                              G_DIR_SEPARATOR_S, "gtkrc-2.0", NULL);
 652         gtk_rc_parse(userrc);
 653         g_free(userrc);
 654
 655         CHDIR_RETURN_VAL_IF_FAIL(get_home_dir(), 1);
 656
 657         /* no config dir exists. See if we can migrate an old config. */
 658         if (!is_dir_exist(RC_DIR)) {
 659                 prefs_destroy_cache();
 660                 gboolean r = FALSE;
 661
 662                 /* if one of the old dirs exist, we'll ask if the user
 663                  * want to migrates, and r will be TRUE if he said yes
 664                  * and migration succeeded, and FALSE otherwise.
 665                  */
 666                 if (is_dir_exist(OLD_GTK2_RC_DIR)) {
 667                         r = migrate_old_config(OLD_GTK2_RC_DIR, RC_DIR, "Sylpheed-Claws 2.6.0");
 668                         asked_for_migration = TRUE;
 669                 } else if (is_dir_exist(OLDER_GTK2_RC_DIR)) {
 670                         r = migrate_old_config(OLDER_GTK2_RC_DIR, RC_DIR, "Sylpheed-Claws 1.9.15");
 671                         asked_for_migration = TRUE;
 672                 } else if (is_dir_exist(OLD_GTK1_RC_DIR)) {
 673                         r = migrate_old_config(OLD_GTK1_RC_DIR, RC_DIR, "Sylpheed-Claws 1.0.5");
 674                         asked_for_migration = TRUE;
 675                 }
 676
 677                 /* If migration failed or the user didn't want to do it,
 678                  * we create a new one (and we'll hit wizard later).
 679                  */
 680                 if (r == FALSE && !is_dir_exist(RC_DIR) && make_dir(RC_DIR) < 0)
 681                         exit(1);
 682         }
 683
 684
 685         if (!is_file_exist(RC_DIR G_DIR_SEPARATOR_S COMMON_RC) &&
 686             is_file_exist(RC_DIR G_DIR_SEPARATOR_S OLD_COMMON_RC)) {
 687                 /* post 2.6 name change */
 688                 migrate_common_rc(RC_DIR G_DIR_SEPARATOR_S OLD_COMMON_RC,
 689                           RC_DIR G_DIR_SEPARATOR_S COMMON_RC);
 690         }
 691
 692         if (!cmd.exit)
 693                 plugin_load_all("Common");
 694
 695         userrc = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S, "gtkrc-2.0", NULL);
 696         gtk_rc_parse(userrc);
 697         g_free(userrc);
 698
 699         userrc = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S, MENU_RC, NULL);
 700         gtk_accel_map_load (userrc);
 701         g_free(userrc);
 702
 703         CHDIR_RETURN_VAL_IF_FAIL(get_rc_dir(), 1);
 704
 705         MAKE_DIR_IF_NOT_EXIST(get_mail_base_dir());
 706         MAKE_DIR_IF_NOT_EXIST(get_imap_cache_dir());
 707         MAKE_DIR_IF_NOT_EXIST(get_news_cache_dir());
 708         MAKE_DIR_IF_NOT_EXIST(get_mime_tmp_dir());
 709         MAKE_DIR_IF_NOT_EXIST(get_tmp_dir());
 710         MAKE_DIR_IF_NOT_EXIST(UIDL_DIR);
 711
 712         crash_file_present = is_file_exist(get_crashfile_name());
 713         /* remove temporary files */
 714         remove_all_files(get_tmp_dir());
 715         remove_all_files(get_mime_tmp_dir());
 716
 717         if (is_file_exist("claws.log")) {
 718                 if (rename_force("claws.log", "claws.log.bak") < 0)
 719                         FILE_OP_ERROR("claws.log", "rename");
 720         }
 721         set_log_file("claws.log");
 722
 723         CHDIR_RETURN_VAL_IF_FAIL(get_home_dir(), 1);
 724
 725         folder_system_init();
 726         prefs_common_read_config();
 727
 728         prefs_themes_init();
 729         prefs_fonts_init();
 730         prefs_ext_prog_init();
 731         prefs_wrapping_init();
 732         prefs_compose_writing_init();
 733         prefs_msg_colors_init();
 734         image_viewer_init();
 735         prefs_image_viewer_init();
 736         prefs_quote_init();
 737         prefs_summaries_init();
 738         prefs_message_init();
 739         prefs_other_init();
 740         prefs_receive_init();
 741         prefs_send_init();
 742 #ifdef USE_ASPELL
 743         gtkaspell_checkers_init();
 744         prefs_spelling_init();
 745 #endif
 746
 747         sock_set_io_timeout(prefs_common.io_timeout_secs);
 748 #ifdef HAVE_LIBETPAN
 749         imap_main_set_timeout(prefs_common.io_timeout_secs);
 750 #endif
 751         prefs_actions_read_config();
 752         prefs_display_header_read_config();
 753         /* prefs_filtering_read_config(); */
 754         addressbook_read_file();
 755         renderer_read_config();
 756
 757         gtkut_widget_init();
 758         stock_pixbuf_gdk(NULL, STOCK_PIXMAP_CLAWS_MAIL_ICON, &icon);
 759         gtk_window_set_default_icon(icon);
 760
 761         folderview_initialize();
 762
 763         mh_gtk_init();
 764         imap_gtk_init();
 765         news_gtk_init();
 766
 767         mainwin = main_window_create();
 768
 769         manage_window_focus_in(mainwin->window, NULL, NULL);
 770         folderview = mainwin->folderview;
 771
 772         gtk_clist_freeze(GTK_CLIST(mainwin->folderview->ctree));
 773         folder_item_update_freeze();
 774
 775         /* register the callback of unix domain socket input */
 776 #ifdef G_OS_UNIX
 777         lock_socket_tag = gdk_input_add(lock_socket,
 778                                         GDK_INPUT_READ | GDK_INPUT_EXCEPTION,
 779                                         lock_socket_input_cb,
 780                                         mainwin);
 781 #endif
 782
 783         prefs_account_init();
 784         account_read_config_all();
 785
 786         /* If we can't read a folder list or don't have accounts,
 787          * it means the configuration's not done. Either this is
 788          * a brand new install, either a failed/refused migration.
 789          * So we'll start the wizard.
 790          */
 791         if (folder_read_list() < 0) {
 792                 prefs_destroy_cache();
 793
 794                 /* if run_wizard returns FALSE it's because it's
 795                  * been cancelled. We can't do much but exit.
 796                  * however, if the user was asked for a migration,
 797                  * we remove the newly created directory so that
 798                  * he's asked again for migration on next launch.*/
 799                 if (!run_wizard(mainwin, TRUE)) {
 800                         if (asked_for_migration)
 801                                 remove_dir_recursive(RC_DIR);
 802                         exit(1);
 803                 }
 804                 main_window_reflect_prefs_all_now();
 805                 folder_write_list();
 806         }
 807
 808         if (!account_get_list()) {
 809                 prefs_destroy_cache();
 810                 if (!run_wizard(mainwin, FALSE)) {
 811                         if (asked_for_migration)
 812                                 remove_dir_recursive(RC_DIR);
 813                         exit(1);
 814                 }
 815                 account_read_config_all();
 816                 if(!account_get_list()) {
 817                         exit_claws(mainwin);
 818                         exit(1);
 819                 }
 820         }
 821
 822
 823         toolbar_main_set_sensitive(mainwin);
 824         main_window_set_menu_sensitive(mainwin);
 825
 826         main_window_popup(mainwin);
 827
 828 #ifdef HAVE_LIBETPAN
 829         imap_main_init(prefs_common.skip_ssl_cert_check);
 830 #endif
 831         account_set_missing_folder();
 832         folder_set_missing_folders();
 833         folderview_set(folderview);
 834
 835         prefs_matcher_read_config();
 836
 837         /* make one all-folder processing before using claws */
 838         main_window_cursor_wait(mainwin);
 839         folder_func_to_all_folders(initial_processing, (gpointer *)mainwin);
 840
 841         /* if claws crashed, rebuild caches */
 842         if (!cmd.crash && crash_file_present) {
 843                 GTK_EVENTS_FLUSH();
 844                 debug_print("Claws Mail crashed, checking for new messages in local folders\n");
 845                 folder_item_update_thaw();
 846                 folderview_check_new(NULL);
 847                 folder_clean_cache_memory_force();
 848                 folder_item_update_freeze();
 849         }
 850         /* make the crash-indicator file */
 851         str_write_to_file("foo", get_crashfile_name());
 852
 853         inc_autocheck_timer_init(mainwin);
 854
 855         /* ignore SIGPIPE signal for preventing sudden death of program */
 856 #ifdef G_OS_UNIX
 857         signal(SIGPIPE, SIG_IGN);
 858 #endif
 859         if (cmd.online_mode == ONLINE_MODE_OFFLINE) {
 860                 main_window_toggle_work_offline(mainwin, TRUE, FALSE);
 861         }
 862         if (cmd.online_mode == ONLINE_MODE_ONLINE) {
 863                 main_window_toggle_work_offline(mainwin, FALSE, FALSE);
 864         }
 865
 866         if (cmd.status_folders) {
 867                 g_ptr_array_free(cmd.status_folders, TRUE);
 868                 cmd.status_folders = NULL;
 869         }
 870         if (cmd.status_full_folders) {
 871                 g_ptr_array_free(cmd.status_full_folders, TRUE);
 872                 cmd.status_full_folders = NULL;
 873         }
 874
 875         claws_register_idle_function(claws_gtk_idle);
 876
 877         prefs_toolbar_init();
 878
 879         num_folder_class = g_list_length(folder_get_list());
 880
 881         plugin_load_all("GTK2");
 882
 883         if (g_list_length(folder_get_list()) != num_folder_class) {
 884                 debug_print("new folders loaded, reloading processing rules\n");
 885                 prefs_matcher_read_config();
 886         }
 887
 888         if (plugin_get_unloaded_list() != NULL) {
 889                 main_window_cursor_normal(mainwin);
 890                 alertpanel_warning(_("Some plugin(s) failed to load. "
 891                                      "Check the Plugins configuration "
 892                                      "for more information."));
 893                 main_window_cursor_wait(mainwin);
 894         }
 895
 896         plugin_load_standard_plugins ();
 897
 898         if (!folder_have_mailbox()) {
 899                 prefs_destroy_cache();
 900                 main_window_cursor_normal(mainwin);
 901                 if (folder_get_list() != NULL) {
 902                         alertpanel_error(_("Claws Mail has detected a configured "
 903                                    "mailbox, but is it incomplete. It is "
 904                                    "possibly due to a failing IMAP account. Use "
 905                                    "\"Rebuild folder tree\" on the mailbox's folder "
 906                                    "to try to fix it."));
 907                 } else {
 908                         alertpanel_error(_("Claws Mail has detected a configured "
 909                                    "mailbox, but could not load it. It is "
 910                                    "probably provided by an out-of-date "
 911                                    "external plugin. Please reinstall the "
 912                                    "plugin and try again."));
 913                         exit_claws(mainwin);
 914                         exit(1);
 915                 }
 916         }
 917
 918         static_mainwindow = mainwin;
 919
 920 #ifdef HAVE_STARTUP_NOTIFICATION
 921         startup_notification_complete(FALSE);
 922 #endif
 923 #ifdef HAVE_LIBSM
 924         sc_session_manager_connect(mainwin);
 925 #endif
 926         folder_item_update_thaw();
 927         gtk_clist_thaw(GTK_CLIST(mainwin->folderview->ctree));
 928         main_window_cursor_normal(mainwin);
 929
 930         if (cmd.receive_all) {
 931                 g_timeout_add(1000, defer_check_all, GINT_TO_POINTER(FALSE));
 932         } else if (prefs_common.chk_on_startup) {
 933                 g_timeout_add(1000, defer_check_all, GINT_TO_POINTER(TRUE));
 934         } else if (cmd.receive) {
 935                 g_timeout_add(1000, defer_check, NULL);
 936         } else {
 937                 gtk_widget_grab_focus(folderview->ctree);
 938         }
 939
 940         if (cmd.compose) {
 941                 open_compose_new(cmd.compose_mailto, cmd.attach_files);
 942         }
 943         if (cmd.attach_files) {
 944                 ptr_array_free_strings(cmd.attach_files);
 945                 g_ptr_array_free(cmd.attach_files, TRUE);
 946                 cmd.attach_files = NULL;
 947         }
 948         if (cmd.subscribe) {
 949                 folder_subscribe(cmd.subscribe_uri);
 950         }
 951
 952         if (cmd.send) {
 953                 send_queue();
 954         }
 955
 956         if (cmd.target) {
 957                 g_timeout_add(500, defer_jump, (gpointer)cmd.target);
 958         }
 959
 960         prefs_destroy_cache();
 961
 962         sc_starting = FALSE;
 963         END_TIMING();
 964
 965         gtk_main();
 966
 967         exit_claws(mainwin);
 968
 969         return 0;
 970 }
 971
 972 static void save_all_caches(FolderItem *item, gpointer data)
 973 {
 974         if (!item->cache) {
 975                 return;
 976         }
 977
 978         if (item->opened)
 979                 folder_item_close(item);
 980
 981         folder_item_free_cache(item, TRUE);
 982 }
 983
 984 static void exit_claws(MainWindow *mainwin)
 985 {
 986         gchar *filename;
 987
 988         sc_exiting = TRUE;
 989
 990         debug_print("shutting down\n");
 991         inc_autocheck_timer_remove();
 992
 993         if (prefs_common.clean_on_exit && !emergency_exit) {
 994                 main_window_empty_trash(mainwin, prefs_common.ask_on_clean);
 995         }
 996
 997         /* save prefs for opened folder */
 998         if(mainwin->folderview->opened) {
 999                 FolderItem *item;
1000
1001                 item = gtk_ctree_node_get_row_data(GTK_CTREE(mainwin->folderview->ctree), mainwin->folderview->opened);
1002                 summary_save_prefs_to_folderitem(mainwin->folderview->summaryview, item);
1003         }
1004
1005         /* save all state before exiting */
1006         folder_func_to_all_folders(save_all_caches, NULL);
1007         folder_write_list();
1008
1009         main_window_get_size(mainwin);
1010         main_window_get_position(mainwin);
1011         prefs_common_write_config();
1012         account_write_config_all();
1013         addressbook_export_to_file();
1014
1015         filename = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S, MENU_RC, NULL);
1016         gtk_accel_map_save(filename);
1017         g_free(filename);
1018
1019         /* delete temporary files */
1020         remove_all_files(get_tmp_dir());
1021         remove_all_files(get_mime_tmp_dir());
1022
1023         close_log_file();
1024
1025 #ifdef HAVE_LIBETPAN
1026         imap_main_done();
1027 #endif
1028         /* delete crashfile */
1029         if (!cmd.crash)
1030                 g_unlink(get_crashfile_name());
1031
1032         lock_socket_remove();
1033
1034 #ifdef HAVE_LIBSM
1035         if (mainwin->smc_conn)
1036                 SmcCloseConnection ((SmcConn)mainwin->smc_conn, 0, NULL);
1037         mainwin->smc_conn = NULL;
1038 #endif
1039
1040         main_window_destroy_all();
1041
1042         plugin_unload_all("GTK2");
1043
1044         prefs_toolbar_done();
1045
1046         addressbook_destroy();
1047
1048         prefs_themes_done();
1049         prefs_fonts_done();
1050         prefs_ext_prog_done();
1051         prefs_wrapping_done();
1052         prefs_compose_writing_done();
1053         prefs_msg_colors_done();
1054         prefs_image_viewer_done();
1055         image_viewer_done();
1056         prefs_quote_done();
1057         prefs_summaries_done();
1058         prefs_message_done();
1059         prefs_other_done();
1060         prefs_receive_done();
1061         prefs_send_done();
1062 #ifdef USE_ASPELL
1063         prefs_spelling_done();
1064         gtkaspell_checkers_quit();
1065 #endif
1066         plugin_unload_all("Common");
1067         claws_done();
1068 }
1069
1070 static void parse_cmd_opt(int argc, char *argv[])
1071 {
1072         gint i;
1073
1074         for (i = 1; i < argc; i++) {
1075                 if (!strncmp(argv[i], "--receive-all", 13)) {
1076                         cmd.receive_all = TRUE;
1077                 } else if (!strncmp(argv[i], "--receive", 9)) {
1078                         cmd.receive = TRUE;
1079                 } else if (!strncmp(argv[i], "--compose", 9)) {
1080                         const gchar *p = argv[i + 1];
1081
1082                         cmd.compose = TRUE;
1083                         cmd.compose_mailto = NULL;
1084                         if (p && *p != '\0' && *p != '-') {
1085                                 if (!strncmp(p, "mailto:", 7)) {
1086                                         cmd.compose_mailto = p + 7;
1087                                 } else {
1088                                         cmd.compose_mailto = p;
1089                                 }
1090                                 i++;
1091                         }
1092                 } else if (!strncmp(argv[i], "--subscribe", 11)) {
1093                         const gchar *p = argv[i + 1];
1094                         if (p && *p != '\0' && *p != '-') {
1095                                 cmd.subscribe = TRUE;
1096                                 cmd.subscribe_uri = p;
1097                         }
1098                 } else if (!strncmp(argv[i], "--attach", 8)) {
1099                         const gchar *p = argv[i + 1];
1100                         gchar *file;
1101
1102                         while (p && *p != '\0' && *p != '-') {
1103                                 if (!cmd.attach_files) {
1104                                         cmd.attach_files = g_ptr_array_new();
1105                                 }
1106                                 if (*p != G_DIR_SEPARATOR) {
1107                                         file = g_strconcat(claws_get_startup_dir(),
1108                                                            G_DIR_SEPARATOR_S,
1109                                                            p, NULL);
1110                                 } else {
1111                                         file = g_strdup(p);
1112                                 }
1113                                 g_ptr_array_add(cmd.attach_files, file);
1114                                 i++;
1115                                 p = argv[i + 1];
1116                         }
1117                 } else if (!strncmp(argv[i], "--send", 6)) {
1118                         cmd.send = TRUE;
1119                 } else if (!strncmp(argv[i], "--version", 9) ||
1120                            !strncmp(argv[i], "-v", 2)) {
1121                         puts("Claws Mail version " VERSION);
1122                         exit(0);
1123                 } else if (!strncmp(argv[i], "--status-full", 13)) {
1124                         const gchar *p = argv[i + 1];
1125
1126                         cmd.status_full = TRUE;
1127                         while (p && *p != '\0' && *p != '-') {
1128                                 if (!cmd.status_full_folders) {
1129                                         cmd.status_full_folders =
1130                                                 g_ptr_array_new();
1131                                 }
1132                                 g_ptr_array_add(cmd.status_full_folders,
1133                                                 g_strdup(p));
1134                                 i++;
1135                                 p = argv[i + 1];
1136                         }
1137                 } else if (!strncmp(argv[i], "--status", 8)) {
1138                         const gchar *p = argv[i + 1];
1139
1140                         cmd.status = TRUE;
1141                         while (p && *p != '\0' && *p != '-') {
1142                                 if (!cmd.status_folders)
1143                                         cmd.status_folders = g_ptr_array_new();
1144                                 g_ptr_array_add(cmd.status_folders,
1145                                                 g_strdup(p));
1146                                 i++;
1147                                 p = argv[i + 1];
1148                         }
1149                 } else if (!strncmp(argv[i], "--online", 8)) {
1150                         cmd.online_mode = ONLINE_MODE_ONLINE;
1151                 } else if (!strncmp(argv[i], "--offline", 9)) {
1152                         cmd.online_mode = ONLINE_MODE_OFFLINE;
1153                 } else if (!strncmp(argv[i], "--help", 6) ||
1154                            !strncmp(argv[i], "-h", 2)) {
1155                         gchar *base = g_path_get_basename(argv[0]);
1156                         g_print(_("Usage: %s [OPTION]...\n"), base);
1157
1158                         g_print("%s\n", _("  --compose [address]    open composition window"));
1159                         g_print("%s\n", _("  --subscribe [uri]      subscribe to the given URI if possible"));
1160                         g_print("%s\n", _("  --attach file1 [file2]...\n"
1161                                   "                         open composition window with specified files\n"
1162                                   "                         attached"));
1163                         g_print("%s\n", _("  --receive              receive new messages"));
1164                         g_print("%s\n", _("  --receive-all          receive new messages of all accounts"));
1165                         g_print("%s\n", _("  --send                 send all queued messages"));
1166                         g_print("%s\n", _("  --status [folder]...   show the total number of messages"));
1167                         g_print("%s\n", _("  --status-full [folder]...\n"
1168                                "                         show the status of each folder"));
1169                         g_print("%s\n", _("  --select folder[/msg]  jumps to the specified folder/message\n"
1170                                           "                         folder is a folder id like 'folder/sub_folder'"));
1171                         g_print("%s\n", _("  --online               switch to online mode"));
1172                         g_print("%s\n", _("  --offline              switch to offline mode"));
1173                         g_print("%s\n", _("  --exit --quit -q       exit Claws Mail"));
1174                         g_print("%s\n", _("  --debug                debug mode"));
1175                         g_print("%s\n", _("  --help -h              display this help and exit"));
1176                         g_print("%s\n", _("  --version -v           output version information and exit"));
1177                         g_print("%s\n", _("  --config-dir           output configuration directory"));
1178
1179                         g_free(base);
1180                         exit(1);
1181                 } else if (!strncmp(argv[i], "--crash", 7)) {
1182                         cmd.crash = TRUE;
1183                         cmd.crash_params = g_strdup(argv[i + 1]);
1184                         i++;
1185                 } else if (!strncmp(argv[i], "--config-dir", sizeof "--config-dir" - 1)) {
1186                         puts(RC_DIR);
1187                         exit(0);
1188                 } else if (!strncmp(argv[i], "--exit", 6) ||
1189                            !strncmp(argv[i], "--quit", 6) ||
1190                            !strncmp(argv[i], "-q", 2)) {
1191                         cmd.exit = TRUE;
1192                 } else if (!strncmp(argv[i], "--select", 8) && i+1 < argc) {
1193                         cmd.target = argv[i+1];
1194                 } else if (i == 1 && argc == 2) {
1195                         /* only one parameter. Do something intelligent about it */
1196                         if (strstr(argv[i], "@") && !strstr(argv[i], "://")) {
1197                                 const gchar *p = argv[i];
1198
1199                                 cmd.compose = TRUE;
1200                                 cmd.compose_mailto = NULL;
1201                                 if (p && *p != '\0' && *p != '-') {
1202                                         if (!strncmp(p, "mailto:", 7)) {
1203                                                 cmd.compose_mailto = p + 7;
1204                                         } else {
1205                                                 cmd.compose_mailto = p;
1206                                         }
1207                                 }
1208                         } else if (strstr(argv[i], "://")) {
1209                                 const gchar *p = argv[i];
1210                                 if (p && *p != '\0' && *p != '-') {
1211                                         cmd.subscribe = TRUE;
1212                                         cmd.subscribe_uri = p;
1213                                 }
1214                         } else if (!strcmp(argv[i], "--sync")) {
1215                                 /* gtk debug */
1216                         } else {
1217                                 g_print(_("Unknown option\n"));
1218                                 exit(1);
1219                         }
1220                 }
1221         }
1222
1223         if (cmd.attach_files && cmd.compose == FALSE) {
1224                 cmd.compose = TRUE;
1225                 cmd.compose_mailto = NULL;
1226         }
1227 }
1228
1229 static gint get_queued_message_num(void)
1230 {
1231         FolderItem *queue;
1232
1233         queue = folder_get_default_queue();
1234         if (!queue) {
1235                 return -1;
1236         }
1237
1238         folder_item_scan(queue);
1239         return queue->total_msgs;
1240 }
1241
1242 static void initial_processing(FolderItem *item, gpointer data)
1243 {
1244         MainWindow *mainwin = (MainWindow *)data;
1245         gchar *buf;
1246
1247         g_return_if_fail(item);
1248         buf = g_strdup_printf(_("Processing (%s)..."),
1249                               item->path
1250                               ? item->path
1251                               : _("top level folder"));
1252         g_free(buf);
1253
1254
1255         if (item->prefs->enable_processing) {
1256                 folder_item_apply_processing(item);
1257         }
1258
1259         STATUSBAR_POP(mainwin);
1260 }
1261
1262 static void draft_all_messages(void)
1263 {
1264         GList *compose_list = NULL;
1265
1266         while ((compose_list = compose_get_compose_list()) != NULL) {
1267                 Compose *c = (Compose*)compose_list->data;
1268                 compose_draft(c);
1269         }
1270 }
1271 gboolean clean_quit(gpointer data)
1272 {
1273         static gboolean firstrun = TRUE;
1274
1275         if (!firstrun) {
1276                 return FALSE;
1277         }
1278         firstrun = FALSE;
1279
1280         /*!< Good idea to have the main window stored in a
1281          *   static variable so we can check that variable
1282          *   to see if we're really allowed to do things
1283          *   that actually the spawner is supposed to
1284          *   do (like: sending mail, composing messages).
1285          *   Because, really, if we're the spawnee, and
1286          *   we touch GTK stuff, we're hosed. See the
1287          *   next fixme. */
1288
1289         /* FIXME: Use something else to signal that we're
1290          * in the original spawner, and not in a spawned
1291          * child. */
1292         if (!static_mainwindow) {
1293                 return FALSE;
1294         }
1295
1296         draft_all_messages();
1297         emergency_exit = TRUE;
1298         exit_claws(static_mainwindow);
1299         exit(0);
1300
1301         return FALSE;
1302 }
1303
1304 void app_will_exit(GtkWidget *widget, gpointer data)
1305 {
1306         MainWindow *mainwin = data;
1307
1308         if (sc_exiting == TRUE) {
1309                 debug_print("exit pending\n");
1310                 return;
1311         }
1312         sc_exiting = TRUE;
1313         debug_print("exiting\n");
1314         if (compose_get_compose_list()) {
1315                 gint val = alertpanel(_("Really quit?"),
1316                                _("Composing message exists."),
1317                                _("_Save to Draft"), _("_Discard them"), _("Do_n't quit"));
1318                 switch (val) {
1319                         case G_ALERTOTHER:
1320                                 sc_exiting = FALSE;
1321                                 return;
1322                         case G_ALERTALTERNATE:
1323                                 break;
1324                         default:
1325                                 draft_all_messages();
1326                 }
1327
1328                 manage_window_focus_in(mainwin->window, NULL, NULL);
1329         }
1330
1331         if (prefs_common.warn_queued_on_exit && get_queued_message_num() > 0) {
1332                 if (alertpanel(_("Queued messages"),
1333                                _("Some unsent messages are queued. Exit now?"),
1334                                GTK_STOCK_CANCEL, GTK_STOCK_OK, NULL)
1335                     != G_ALERTALTERNATE) {
1336                         sc_exiting = FALSE;
1337                         return;
1338                 }
1339                 manage_window_focus_in(mainwin->window, NULL, NULL);
1340         }
1341
1342         sock_cleanup();
1343         if (folderview_get_selected_item(mainwin->folderview))
1344                 folder_item_close(folderview_get_selected_item(mainwin->folderview));
1345         gtk_main_quit();
1346 }
1347
1348 gboolean claws_is_exiting(void)
1349 {
1350         return sc_exiting;
1351 }
1352
1353 gboolean claws_is_starting(void)
1354 {
1355         return sc_starting;
1356 }
1357
1358 /*
1359  * CLAWS: want this public so crash dialog can delete the
1360  * lock file too
1361  */
1362 gchar *get_socket_name(void)
1363 {
1364         static gchar *filename = NULL;
1365
1366         if (filename == NULL) {
1367                 filename = g_strdup_printf("%s%cclaws-mail-%d",
1368                                            g_get_tmp_dir(), G_DIR_SEPARATOR,
1369 #if HAVE_GETUID
1370                                            getuid());
1371 #else
1372                                            0);
1373 #endif
1374         }
1375
1376         return filename;
1377 }
1378
1379 static gchar *get_crashfile_name(void)
1380 {
1381         static gchar *filename = NULL;
1382
1383         if (filename == NULL) {
1384                 filename = g_strdup_printf("%s%cclaws-crashed",
1385                                            get_tmp_dir(), G_DIR_SEPARATOR);
1386         }
1387
1388         return filename;
1389 }
1390
1391 static gint prohibit_duplicate_launch(void)
1392 {
1393         gint uxsock;
1394         gchar *path;
1395
1396         path = get_socket_name();
1397         uxsock = fd_connect_unix(path);
1398         if (uxsock < 0) {
1399                 g_unlink(path);
1400                 return fd_open_unix(path);
1401         }
1402
1403         /* remote command mode */
1404
1405         debug_print("another Claws Mail instance is already running.\n");
1406
1407         if (cmd.receive_all) {
1408                 fd_write_all(uxsock, "receive_all\n", 12);
1409         } else if (cmd.receive) {
1410                 fd_write_all(uxsock, "receive\n", 8);
1411         } else if (cmd.compose && cmd.attach_files) {
1412                 gchar *str, *compose_str;
1413                 gint i;
1414
1415                 if (cmd.compose_mailto) {
1416                         compose_str = g_strdup_printf("compose_attach %s\n",
1417                                                       cmd.compose_mailto);
1418                 } else {
1419                         compose_str = g_strdup("compose_attach\n");
1420                 }
1421
1422                 fd_write_all(uxsock, compose_str, strlen(compose_str));
1423                 g_free(compose_str);
1424
1425                 for (i = 0; i < cmd.attach_files->len; i++) {
1426                         str = g_ptr_array_index(cmd.attach_files, i);
1427                         fd_write_all(uxsock, str, strlen(str));
1428                         fd_write_all(uxsock, "\n", 1);
1429                 }
1430
1431                 fd_write_all(uxsock, ".\n", 2);
1432         } else if (cmd.compose) {
1433                 gchar *compose_str;
1434
1435                 if (cmd.compose_mailto) {
1436                         compose_str = g_strdup_printf
1437                                 ("compose %s\n", cmd.compose_mailto);
1438                 } else {
1439                         compose_str = g_strdup("compose\n");
1440                 }
1441
1442                 fd_write_all(uxsock, compose_str, strlen(compose_str));
1443                 g_free(compose_str);
1444         } else if (cmd.subscribe) {
1445                 gchar *str = g_strdup_printf("subscribe %s\n", cmd.subscribe_uri);
1446                 fd_write_all(uxsock, str, strlen(str));
1447                 g_free(str);
1448         } else if (cmd.send) {
1449                 fd_write_all(uxsock, "send\n", 5);
1450         } else if (cmd.online_mode == ONLINE_MODE_ONLINE) {
1451                 fd_write(uxsock, "online\n", 6);
1452         } else if (cmd.online_mode == ONLINE_MODE_OFFLINE) {
1453                 fd_write(uxsock, "offline\n", 7);
1454         } else if (cmd.status || cmd.status_full) {
1455                 gchar buf[BUFFSIZE];
1456                 gint i;
1457                 const gchar *command;
1458                 GPtrArray *folders;
1459                 gchar *folder;
1460
1461                 command = cmd.status_full ? "status-full\n" : "status\n";
1462                 folders = cmd.status_full ? cmd.status_full_folders :
1463                         cmd.status_folders;
1464
1465                 fd_write_all(uxsock, command, strlen(command));
1466                 for (i = 0; folders && i < folders->len; ++i) {
1467                         folder = g_ptr_array_index(folders, i);
1468                         fd_write_all(uxsock, folder, strlen(folder));
1469                         fd_write_all(uxsock, "\n", 1);
1470                 }
1471                 fd_write_all(uxsock, ".\n", 2);
1472                 for (;;) {
1473                         fd_gets(uxsock, buf, sizeof(buf));
1474                         if (!strncmp(buf, ".\n", 2)) break;
1475                         fputs(buf, stdout);
1476                 }
1477         } else if (cmd.exit) {
1478                 fd_write_all(uxsock, "exit\n", 5);
1479         } else if (cmd.target) {
1480                 gchar *str = g_strdup_printf("select %s\n", cmd.target);
1481                 fd_write_all(uxsock, str, strlen(str));
1482                 g_free(str);
1483         } else
1484                 fd_write_all(uxsock, "popup\n", 6);
1485
1486         fd_close(uxsock);
1487         return -1;
1488 }
1489
1490 static gint lock_socket_remove(void)
1491 {
1492 #ifdef G_OS_UNIX
1493         gchar *filename;
1494
1495         if (lock_socket < 0) {
1496                 return -1;
1497         }
1498
1499         if (lock_socket_tag > 0) {
1500                 gdk_input_remove(lock_socket_tag);
1501         }
1502         fd_close(lock_socket);
1503         filename = get_socket_name();
1504         g_unlink(filename);
1505 #endif
1506
1507         return 0;
1508 }
1509
1510 static GPtrArray *get_folder_item_list(gint sock)
1511 {
1512         gchar buf[BUFFSIZE];
1513         FolderItem *item;
1514         GPtrArray *folders = NULL;
1515
1516         for (;;) {
1517                 fd_gets(sock, buf, sizeof(buf));
1518                 if (!strncmp(buf, ".\n", 2)) {
1519                         break;
1520                 }
1521                 strretchomp(buf);
1522                 if (!folders) {
1523                         folders = g_ptr_array_new();
1524                 }
1525                 item = folder_find_item_from_identifier(buf);
1526                 if (item) {
1527                         g_ptr_array_add(folders, item);
1528                 } else {
1529                         g_warning("no such folder: %s\n", buf);
1530                 }
1531         }
1532
1533         return folders;
1534 }
1535
1536 static void lock_socket_input_cb(gpointer data,
1537                                  gint source,
1538                                  GdkInputCondition condition)
1539 {
1540         MainWindow *mainwin = (MainWindow *)data;
1541         gint sock;
1542         gchar buf[BUFFSIZE];
1543
1544         sock = fd_accept(source);
1545         fd_gets(sock, buf, sizeof(buf));
1546
1547         if (!strncmp(buf, "popup", 5)) {
1548                 main_window_popup(mainwin);
1549         } else if (!strncmp(buf, "receive_all", 11)) {
1550                 inc_all_account_mail(mainwin, FALSE,
1551                                      prefs_common.newmail_notify_manu);
1552         } else if (!strncmp(buf, "receive", 7)) {
1553                 inc_mail(mainwin, prefs_common.newmail_notify_manu);
1554         } else if (!strncmp(buf, "compose_attach", 14)) {
1555                 GPtrArray *files;
1556                 gchar *mailto;
1557
1558                 mailto = g_strdup(buf + strlen("compose_attach") + 1);
1559                 files = g_ptr_array_new();
1560                 while (fd_gets(sock, buf, sizeof(buf)) > 0) {
1561                         if (buf[0] == '.' && buf[1] == '\n') {
1562                                 break;
1563                         }
1564                         strretchomp(buf);
1565                         g_ptr_array_add(files, g_strdup(buf));
1566                 }
1567                 open_compose_new(mailto, files);
1568                 ptr_array_free_strings(files);
1569                 g_ptr_array_free(files, TRUE);
1570                 g_free(mailto);
1571         } else if (!strncmp(buf, "compose", 7)) {
1572                 open_compose_new(buf + strlen("compose") + 1, NULL);
1573         } else if (!strncmp(buf, "subscribe", 9)) {
1574                 main_window_popup(mainwin);
1575                 folder_subscribe(buf + strlen("subscribe") + 1);
1576         } else if (!strncmp(buf, "send", 4)) {
1577                 send_queue();
1578         } else if (!strncmp(buf, "online", 6)) {
1579                 main_window_toggle_work_offline(mainwin, FALSE, FALSE);
1580         } else if (!strncmp(buf, "offline", 7)) {
1581                 main_window_toggle_work_offline(mainwin, TRUE, FALSE);
1582         } else if (!strncmp(buf, "status-full", 11) ||
1583                    !strncmp(buf, "status", 6)) {
1584                 gchar *status;
1585                 GPtrArray *folders;
1586
1587                 folders = get_folder_item_list(sock);
1588                 status = folder_get_status
1589                         (folders, !strncmp(buf, "status-full", 11));
1590                 fd_write_all(sock, status, strlen(status));
1591                 fd_write_all(sock, ".\n", 2);
1592                 g_free(status);
1593                 if (folders) g_ptr_array_free(folders, TRUE);
1594         } else if (!strncmp(buf, "select ", 7)) {
1595                 const gchar *target = buf+7;
1596                 mainwindow_jump_to(target);
1597         } else if (!strncmp(buf, "exit", 4)) {
1598                 app_will_exit(NULL, mainwin);
1599         }
1600
1601         fd_close(sock);
1602 }
1603
1604 static void open_compose_new(const gchar *address, GPtrArray *attach_files)
1605 {
1606         gchar *addr = NULL;
1607
1608         if (address) {
1609                 Xstrdup_a(addr, address, return);
1610                 g_strstrip(addr);
1611         }
1612
1613         compose_new(NULL, addr, attach_files);
1614 }
1615
1616 static void send_queue(void)
1617 {
1618         GList *list;
1619         gchar *errstr = NULL;
1620         for (list = folder_get_list(); list != NULL; list = list->next) {
1621                 Folder *folder = list->data;
1622
1623                 if (folder->queue) {
1624                         gint res = procmsg_send_queue
1625                                 (folder->queue, prefs_common.savemsg,
1626                                 &errstr);
1627
1628                         if (res) {
1629                                 folder_item_scan(folder->queue);
1630                         }
1631                 }
1632         }
1633         if (errstr) {
1634                 gchar *tmp = g_strdup_printf(_("Some errors occurred "
1635                                 "while sending queued messages:\n%s"), errstr);
1636                 g_free(errstr);
1637                 alertpanel_error_log(tmp);
1638                 g_free(tmp);
1639         } else {
1640                 alertpanel_error_log("Some errors occurred "
1641                                 "while sending queued messages.");
1642         }
1643 }
1644
1645 static void quit_signal_handler(int sig)
1646 {
1647         debug_print("Quitting on signal %d\n", sig);
1648
1649         g_timeout_add(0, clean_quit, NULL);
1650 }
1651
1652 static void install_basic_sighandlers()
1653 {
1654 #ifndef G_OS_WIN32
1655         sigset_t    mask;
1656         struct sigaction act;
1657
1658         sigemptyset(&mask);
1659
1660 #ifdef SIGTERM
1661         sigaddset(&mask, SIGTERM);
1662 #endif
1663 #ifdef SIGINT
1664         sigaddset(&mask, SIGINT);
1665 #endif
1666 #ifdef SIGHUP
1667         sigaddset(&mask, SIGHUP);
1668 #endif
1669
1670         act.sa_handler = quit_signal_handler;
1671         act.sa_mask    = mask;
1672         act.sa_flags   = 0;
1673
1674 #ifdef SIGTERM
1675         sigaction(SIGTERM, &act, 0);
1676 #endif
1677 #ifdef SIGINT
1678         sigaction(SIGINT, &act, 0);
1679 #endif
1680 #ifdef SIGHUP
1681         sigaction(SIGHUP, &act, 0);
1682 #endif
1683
1684         sigprocmask(SIG_UNBLOCK, &mask, 0);
1685 #endif /* !G_OS_WIN32 */
1686 }