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 3 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, see <http://www.gnu.org/licenses/>.
  17  *
  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 #  include <errno.h>
  42 #  include <fcntl.h>
  43 #endif
  44 #ifdef HAVE_LIBSM
  45 #include <X11/SM/SMlib.h>
  46 #endif
  47 #ifdef USE_GNUTLS
  48 #include <pthread.h>
  49 #include <gcrypt.h>
  50 GCRY_THREAD_OPTION_PTHREAD_IMPL;
  51 #endif
  52
  53 #include "wizard.h"
  54 #ifdef HAVE_STARTUP_NOTIFICATION
  55 # define SN_API_NOT_YET_FROZEN
  56 # include <libsn/sn-launchee.h>
  57 # include <gdk/gdkx.h>
  58 #endif
  59
  60 #ifdef HAVE_NETWORKMANAGER_SUPPORT
  61 #include <dbus/dbus-glib.h>
  62 #include <NetworkManager.h>
  63 #endif
  64
  65 #include "claws.h"
  66 #include "main.h"
  67 #include "mainwindow.h"
  68 #include "folderview.h"
  69 #include "image_viewer.h"
  70 #include "summaryview.h"
  71 #include "prefs_common.h"
  72 #include "prefs_account.h"
  73 #include "prefs_actions.h"
  74 #include "prefs_ext_prog.h"
  75 #include "prefs_fonts.h"
  76 #include "prefs_image_viewer.h"
  77 #include "prefs_message.h"
  78 #include "prefs_receive.h"
  79 #include "prefs_msg_colors.h"
  80 #include "prefs_quote.h"
  81 #include "prefs_spelling.h"
  82 #include "prefs_summaries.h"
  83 #include "prefs_themes.h"
  84 #include "prefs_other.h"
  85 #include "prefs_logging.h"
  86 #include "prefs_send.h"
  87 #include "prefs_wrapping.h"
  88 #include "prefs_compose_writing.h"
  89 #include "prefs_display_header.h"
  90 #include "account.h"
  91 #include "procmsg.h"
  92 #include "inc.h"
  93 #include "import.h"
  94 #include "manage_window.h"
  95 #include "alertpanel.h"
  96 #include "statusbar.h"
  97 #include "addressbook.h"
  98 #include "compose.h"
  99 #include "folder.h"
 100 #include "setup.h"
 101 #include "utils.h"
 102 #include "gtkutils.h"
 103 #include "socket.h"
 104 #include "log.h"
 105 #include "prefs_toolbar.h"
 106 #include "plugin.h"
 107 #include "mh_gtk.h"
 108 #include "imap_gtk.h"
 109 #include "news_gtk.h"
 110 #include "matcher.h"
 111 #include "tags.h"
 112 #ifdef HAVE_LIBETPAN
 113 #include "imap-thread.h"
 114 #include "nntp-thread.h"
 115 #endif
 116 #include "stock_pixmap.h"
 117 #ifdef HAVE_VALGRIND
 118 #include "valgrind.h"
 119 #endif
 120 #if (defined(USE_OPENSSL) || defined (USE_GNUTLS))
 121 #  include "ssl.h"
 122 #endif
 123
 124 #include "version.h"
 125
 126 #include "crash.h"
 127
 128 #include "timing.h"
 129
 130 #ifdef MAEMO
 131 #ifdef CHINOOK
 132 #include <hildon/hildon-banner.h>
 133 #include <hildon/hildon-program.h>
 134 #else
 135 #include <hildon-widgets/hildon-banner.h>
 136 #include <hildon-widgets/hildon-program.h>
 137 #endif
 138 #include <gtk/gtkmain.h>
 139 #include <libosso.h>
 140 #include <libgnomevfs/gnome-vfs-volume.h>
 141 #include <libgnomevfs/gnome-vfs-volume-monitor.h>
 142 #include <libgnomevfs/gnome-vfs-utils.h>
 143
 144 #define OSSO_NAME    "claws_mail"
 145 #define OSSO_SERVICE "com.nokia."OSSO_NAME
 146 #define OSSO_OBJECT  "/com/nokia/"OSSO_NAME
 147 #define OSSO_IFACE   "com.nokia."OSSO_NAME
 148
 149 typedef struct _AppData AppData;
 150 struct _AppData {
 151     HildonProgram *program;
 152     HildonWindow *window;
 153     osso_context_t *osso_context;
 154 };
 155
 156 static GnomeVFSVolumeMonitor *volmon;
 157 #endif
 158
 159 #ifdef HAVE_NETWORKMANAGER_SUPPORT
 160 /* Went offline due to NetworkManager */
 161 static gboolean went_offline_nm;
 162 #endif
 163
 164 gchar *prog_version;
 165 gchar *argv0;
 166
 167 #ifdef MAEMO
 168 HildonProgram *hildon_program;
 169 #endif
 170
 171 #ifdef HAVE_STARTUP_NOTIFICATION
 172 static SnLauncheeContext *sn_context = NULL;
 173 static SnDisplay *sn_display = NULL;
 174 #endif
 175
 176 static gint lock_socket = -1;
 177 static gint lock_socket_tag = 0;
 178 static gchar *x_display = NULL;
 179 typedef enum
 180 {
 181         ONLINE_MODE_DONT_CHANGE,
 182         ONLINE_MODE_ONLINE,
 183         ONLINE_MODE_OFFLINE
 184 } OnlineMode;
 185
 186 static struct RemoteCmd {
 187         gboolean receive;
 188         gboolean receive_all;
 189         gboolean compose;
 190         const gchar *compose_mailto;
 191         GPtrArray *attach_files;
 192         gboolean status;
 193         gboolean status_full;
 194         GPtrArray *status_folders;
 195         GPtrArray *status_full_folders;
 196         gboolean send;
 197         gboolean crash;
 198         int online_mode;
 199         gchar   *crash_params;
 200         gboolean exit;
 201         gboolean subscribe;
 202         const gchar *subscribe_uri;
 203         const gchar *target;
 204 } cmd;
 205
 206 static void parse_cmd_opt(int argc, char *argv[]);
 207
 208 static gint prohibit_duplicate_launch   (void);
 209 static gchar * get_crashfile_name       (void);
 210 static gint lock_socket_remove          (void);
 211 static void lock_socket_input_cb        (gpointer          data,
 212                                          gint              source,
 213                                          GdkInputCondition condition);
 214
 215 static void open_compose_new            (const gchar    *address,
 216                                          GPtrArray      *attach_files);
 217
 218 static void send_queue                  (void);
 219 static void initial_processing          (FolderItem *item, gpointer data);
 220 static void quit_signal_handler         (int sig);
 221 static void install_basic_sighandlers   (void);
 222 #if (defined linux && defined SIGIO)
 223 static void install_memory_sighandler   (void);
 224 #endif
 225 static void exit_claws                  (MainWindow *mainwin);
 226
 227 #ifdef HAVE_NETWORKMANAGER_SUPPORT
 228 static void networkmanager_state_change_cb(DBusGProxy *proxy, gchar *dev,
 229                                                                                                                                                                          gpointer data);
 230 #endif
 231
 232 #define MAKE_DIR_IF_NOT_EXIST(dir) \
 233 { \
 234         if (!is_dir_exist(dir)) { \
 235                 if (is_file_exist(dir)) { \
 236                         alertpanel_warning \
 237                                 (_("File '%s' already exists.\n" \
 238                                    "Can't create folder."), \
 239                                  dir); \
 240                         return 1; \
 241                 } \
 242                 if (make_dir(dir) < 0) \
 243                         return 1; \
 244         } \
 245 }
 246
 247 static MainWindow *static_mainwindow;
 248
 249 #ifdef MAEMO
 250 static osso_context_t *static_osso_context;
 251
 252 void exit_event_handler(gboolean die_now, gpointer data)
 253 {
 254         AppData *appdata;
 255         appdata = (AppData *) data;
 256         /* Do whatever application needs to do before exiting */
 257         exit_claws(static_mainwindow);
 258         hildon_banner_show_information(GTK_WIDGET(appdata->window), NULL,
 259                                    _("Exiting..."));
 260
 261 }
 262
 263 /* Callback for hardware D-BUS events */
 264 void hw_event_handler(osso_hw_state_t *state, gpointer data)
 265 {
 266         AppData *appdata;
 267         appdata = (AppData *) data;
 268
 269         if (state->shutdown_ind) {
 270                 exit_claws(static_mainwindow);
 271                 hildon_banner_show_information(GTK_WIDGET(appdata->window), NULL,
 272                         _("Exiting..."));
 273         }
 274 }
 275
 276 /* Callback for normal D-BUS messages */
 277 gint dbus_req_handler(const gchar * interface, const gchar * method,
 278                       GArray * arguments, gpointer data,
 279                       osso_rpc_t * retval)
 280 {
 281     AppData *appdata;
 282     appdata = (AppData *) data;
 283
 284     if (!strcmp(method, "top_application")) {
 285             osso_rpc_free_val(retval);
 286             return OSSO_OK;
 287     }
 288     osso_system_note_infoprint(appdata->osso_context, method, retval);
 289     osso_rpc_free_val(retval);
 290
 291     return OSSO_OK;
 292 }
 293 #endif
 294 static gboolean emergency_exit = FALSE;
 295
 296 #ifdef HAVE_STARTUP_NOTIFICATION
 297 static void sn_error_trap_push(SnDisplay *display, Display *xdisplay)
 298 {
 299         gdk_error_trap_push();
 300 }
 301
 302 static void sn_error_trap_pop(SnDisplay *display, Display *xdisplay)
 303 {
 304         gdk_error_trap_pop();
 305 }
 306
 307 static void startup_notification_complete(gboolean with_window)
 308 {
 309         Display *xdisplay;
 310         GtkWidget *hack = NULL;
 311
 312         if (with_window) {
 313                 /* this is needed to make the startup notification leave,
 314                  * if we have been launched from a menu.
 315                  * We have to display a window, so let it be very little */
 316                 hack = gtk_window_new(GTK_WINDOW_POPUP);
 317                 gtk_widget_set_uposition(hack, 0, 0);
 318                 gtk_widget_set_size_request(hack, 1, 1);
 319                 gtk_widget_show(hack);
 320         }
 321
 322         xdisplay = GDK_DISPLAY();
 323         sn_display = sn_display_new(xdisplay,
 324                                 sn_error_trap_push,
 325                                 sn_error_trap_pop);
 326         sn_context = sn_launchee_context_new_from_environment(sn_display,
 327                                                  DefaultScreen(xdisplay));
 328
 329         if (sn_context != NULL) {
 330                 sn_launchee_context_complete(sn_context);
 331                 sn_launchee_context_unref(sn_context);
 332                 sn_display_unref(sn_display);
 333         }
 334         if (with_window) {
 335                 gtk_widget_destroy(hack);
 336         }
 337 }
 338 #endif /* HAVE_STARTUP_NOTIFICATION */
 339
 340 static void claws_gtk_idle(void)
 341 {
 342         while(gtk_events_pending()) {
 343                 gtk_main_iteration();
 344         }
 345         g_usleep(50000);
 346 }
 347
 348 static gboolean sc_starting = FALSE;
 349
 350 static gboolean defer_check_all(void *data)
 351 {
 352         gboolean autochk = GPOINTER_TO_INT(data);
 353
 354         inc_all_account_mail(static_mainwindow, autochk,
 355                         prefs_common.newmail_notify_manu);
 356
 357         if (sc_starting) {
 358                 sc_starting = FALSE;
 359                 main_window_set_menu_sensitive(static_mainwindow);
 360                 toolbar_main_set_sensitive(static_mainwindow);
 361         }
 362         return FALSE;
 363 }
 364
 365 static gboolean defer_check(void *data)
 366 {
 367         inc_mail(static_mainwindow, prefs_common.newmail_notify_manu);
 368
 369         if (sc_starting) {
 370                 sc_starting = FALSE;
 371                 main_window_set_menu_sensitive(static_mainwindow);
 372                 toolbar_main_set_sensitive(static_mainwindow);
 373         }
 374         return FALSE;
 375 }
 376
 377 static gboolean defer_jump(void *data)
 378 {
 379         if (cmd.receive_all) {
 380                 defer_check_all(GINT_TO_POINTER(FALSE));
 381         } else if (prefs_common.chk_on_startup) {
 382                 defer_check_all(GINT_TO_POINTER(TRUE));
 383         } else if (cmd.receive) {
 384                 defer_check(NULL);
 385         }
 386         mainwindow_jump_to(data, FALSE);
 387         if (sc_starting) {
 388                 sc_starting = FALSE;
 389                 main_window_set_menu_sensitive(static_mainwindow);
 390                 toolbar_main_set_sensitive(static_mainwindow);
 391         }
 392         return FALSE;
 393 }
 394
 395 static void chk_update_val(GtkWidget *widget, gpointer data)
 396 {
 397         gboolean *val = (gboolean *)data;
 398         *val = gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(widget));
 399 }
 400
 401 static gboolean migrate_old_config(const gchar *old_cfg_dir, const gchar *new_cfg_dir, const gchar *oldversion)
 402 {
 403         gchar *message = g_strdup_printf(_("Configuration for %s found.\n"
 404                          "Do you want to migrate this configuration?"), oldversion);
 405         gchar *message2 = g_strdup_printf(_("\n\nYour Sylpheed filtering rules can be converted by a\n"
 406                              "script available at %s."), TOOLS_URI);
 407
 408         if (!strcmp(oldversion, "Sylpheed"))
 409                 message = g_strconcat(message, message2, NULL);
 410         g_free(message2);
 411
 412         gint r = 0;
 413         GtkWidget *window = NULL;
 414         GtkWidget *keep_backup_chk;
 415         GtkTooltips *tips = gtk_tooltips_new();
 416         gboolean backup = TRUE;
 417
 418         keep_backup_chk = gtk_check_button_new_with_label (_("Keep old configuration"));
 419         gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(keep_backup_chk), TRUE);
 420         gtk_tooltips_set_tip(GTK_TOOLTIPS(tips), keep_backup_chk,
 421                              _("Keeping a backup will allow you to go back to an "
 422                                "older version, but may take a while if you have "
 423                                "cached IMAP or News data, and will take some extra "
 424                                "room on your disk."),
 425                              NULL);
 426
 427         g_signal_connect(G_OBJECT(keep_backup_chk), "toggled",
 428                         G_CALLBACK(chk_update_val), &backup);
 429
 430         if (alertpanel_full(_("Migration of configuration"), message,
 431                         GTK_STOCK_NO, "+" GTK_STOCK_YES, NULL, FALSE,
 432                         keep_backup_chk, ALERT_QUESTION, G_ALERTDEFAULT) != G_ALERTALTERNATE) {
 433                 return FALSE;
 434         }
 435
 436         /* we can either do a fast migration requiring not any extra disk
 437          * space, or a slow one that copies the old configuration and leaves
 438          * it in place. */
 439         if (backup) {
 440 backup_mode:
 441                 window = label_window_create(_("Copying configuration... This may take a while..."));
 442                 GTK_EVENTS_FLUSH();
 443
 444                 r = copy_dir(old_cfg_dir, new_cfg_dir);
 445                 label_window_destroy(window);
 446
 447                 /* if copy failed, we'll remove the partially copied
 448                  * new directory */
 449                 if (r != 0) {
 450                         alertpanel_error(_("Migration failed!"));
 451                         remove_dir_recursive(new_cfg_dir);
 452                 } else {
 453                         if (!backup) {
 454                                 /* fast mode failed, but we don't want backup */
 455                                 remove_dir_recursive(old_cfg_dir);
 456                         }
 457                 }
 458         } else {
 459                 window = label_window_create(_("Migrating configuration..."));
 460                 GTK_EVENTS_FLUSH();
 461
 462                 r = g_rename(old_cfg_dir, new_cfg_dir);
 463                 label_window_destroy(window);
 464
 465                 /* if g_rename failed, we'll try to copy */
 466                 if (r != 0) {
 467                         FILE_OP_ERROR(new_cfg_dir, "g_rename failed, trying copy\n");
 468                         goto backup_mode;
 469                 }
 470         }
 471         return (r == 0);
 472 }
 473
 474 static int migrate_common_rc(const gchar *old_rc, const gchar *new_rc)
 475 {
 476         FILE *oldfp, *newfp;
 477         gchar *plugin_path, *old_plugin_path, *new_plugin_path;
 478         gchar buf[BUFFSIZE];
 479         gboolean err = FALSE;
 480
 481         oldfp = g_fopen(old_rc, "r");
 482         if (!oldfp)
 483                 return -1;
 484         newfp = g_fopen(new_rc, "w");
 485         if (!newfp) {
 486                 fclose(oldfp);
 487                 return -1;
 488         }
 489
 490         plugin_path = g_strdup(get_plugin_dir());
 491         new_plugin_path = g_strdup(plugin_path);
 492
 493         if (strstr(plugin_path, "/claws-mail/")) {
 494                 gchar *end = g_strdup(strstr(plugin_path, "/claws-mail/")+strlen("/claws-mail/"));
 495                 *(strstr(plugin_path, "/claws-mail/")) = '\0';
 496                 old_plugin_path = g_strconcat(plugin_path, "/sylpheed-claws/", end, NULL);
 497                 g_free(end);
 498         } else {
 499                 old_plugin_path = g_strdup(new_plugin_path);
 500         }
 501         debug_print("replacing %s with %s\n", old_plugin_path, new_plugin_path);
 502         while (fgets(buf, sizeof(buf), oldfp)) {
 503                 if (strncmp(buf, old_plugin_path, strlen(old_plugin_path))) {
 504                         err |= (fputs(buf, newfp) == EOF);
 505                 } else {
 506                         debug_print("->replacing %s", buf);
 507                         debug_print("  with %s%s", new_plugin_path, buf+strlen(old_plugin_path));
 508                         err |= (fputs(new_plugin_path, newfp) == EOF);
 509                         err |= (fputs(buf+strlen(old_plugin_path), newfp) == EOF);
 510                 }
 511         }
 512         g_free(plugin_path);
 513         g_free(new_plugin_path);
 514         g_free(old_plugin_path);
 515         fclose(oldfp);
 516         if (fclose(newfp) == EOF)
 517                 err = TRUE;
 518
 519         return (err ? -1:0);
 520 }
 521
 522 #ifdef HAVE_LIBSM
 523 static void
 524 sc_client_set_value (MainWindow *mainwin,
 525                   gchar       *name,
 526                   char        *type,
 527                   int          num_vals,
 528                   SmPropValue *vals)
 529 {
 530         SmProp *proplist[1];
 531         SmProp prop;
 532
 533         prop.name = name;
 534         prop.type = type;
 535         prop.num_vals = num_vals;
 536         prop.vals = vals;
 537
 538         proplist[0]= &prop;
 539         if (mainwin->smc_conn)
 540                 SmcSetProperties ((SmcConn) mainwin->smc_conn, 1, proplist);
 541 }
 542
 543 static void sc_die_callback (SmcConn smc_conn, SmPointer client_data)
 544 {
 545         clean_quit(NULL);
 546 }
 547
 548 static void sc_save_complete_callback(SmcConn smc_conn, SmPointer client_data)
 549 {
 550 }
 551
 552 static void sc_shutdown_cancelled_callback (SmcConn smc_conn, SmPointer client_data)
 553 {
 554         MainWindow *mainwin = (MainWindow *)client_data;
 555         if (mainwin->smc_conn)
 556                 SmcSaveYourselfDone ((SmcConn) mainwin->smc_conn, TRUE);
 557 }
 558
 559 static void sc_save_yourself_callback (SmcConn   smc_conn,
 560                                SmPointer client_data,
 561                                int       save_style,
 562                                gboolean  shutdown,
 563                                int       interact_style,
 564                                gboolean  fast) {
 565
 566         MainWindow *mainwin = (MainWindow *)client_data;
 567         if (mainwin->smc_conn)
 568                 SmcSaveYourselfDone ((SmcConn) mainwin->smc_conn, TRUE);
 569 }
 570
 571 static IceIOErrorHandler sc_ice_installed_handler;
 572
 573 static void sc_ice_io_error_handler (IceConn connection)
 574 {
 575         if (sc_ice_installed_handler)
 576                 (*sc_ice_installed_handler) (connection);
 577 }
 578 static gboolean sc_process_ice_messages (GIOChannel   *source,
 579                       GIOCondition  condition,
 580                       gpointer      data)
 581 {
 582         IceConn connection = (IceConn) data;
 583         IceProcessMessagesStatus status;
 584
 585         status = IceProcessMessages (connection, NULL, NULL);
 586
 587         if (status == IceProcessMessagesIOError) {
 588                 IcePointer context = IceGetConnectionContext (connection);
 589
 590                 if (context && GTK_IS_OBJECT (context)) {
 591                 guint disconnect_id = g_signal_lookup ("disconnect", G_OBJECT_TYPE (context));
 592
 593                 if (disconnect_id > 0)
 594                         g_signal_emit (context, disconnect_id, 0);
 595                 } else {
 596                         IceSetShutdownNegotiation (connection, False);
 597                         IceCloseConnection (connection);
 598                 }
 599         }
 600
 601         return TRUE;
 602 }
 603
 604 static void new_ice_connection (IceConn connection, IcePointer client_data, Bool opening,
 605                     IcePointer *watch_data)
 606 {
 607         guint input_id;
 608
 609         if (opening) {
 610                 GIOChannel *channel;
 611                 /* Make sure we don't pass on these file descriptors to any
 612                 exec'ed children */
 613                 fcntl(IceConnectionNumber(connection),F_SETFD,
 614                 fcntl(IceConnectionNumber(connection),F_GETFD,0) | FD_CLOEXEC);
 615
 616                 channel = g_io_channel_unix_new (IceConnectionNumber (connection));
 617                 input_id = g_io_add_watch (channel,
 618                 G_IO_IN | G_IO_HUP | G_IO_ERR | G_IO_PRI,
 619                 sc_process_ice_messages,
 620                 connection);
 621                 g_io_channel_unref (channel);
 622
 623                 *watch_data = (IcePointer) GUINT_TO_POINTER (input_id);
 624         } else {
 625                 input_id = GPOINTER_TO_UINT ((gpointer) *watch_data);
 626                 g_source_remove (input_id);
 627         }
 628 }
 629
 630 static void sc_session_manager_connect(MainWindow *mainwin)
 631 {
 632         static gboolean connected = FALSE;
 633         SmcCallbacks      callbacks;
 634         gchar            *client_id;
 635         IceIOErrorHandler default_handler;
 636
 637         if (connected)
 638                 return;
 639         connected = TRUE;
 640
 641
 642         sc_ice_installed_handler = IceSetIOErrorHandler (NULL);
 643         default_handler = IceSetIOErrorHandler (sc_ice_io_error_handler);
 644
 645         if (sc_ice_installed_handler == default_handler)
 646                 sc_ice_installed_handler = NULL;
 647
 648         IceAddConnectionWatch (new_ice_connection, NULL);
 649
 650
 651         callbacks.save_yourself.callback      = sc_save_yourself_callback;
 652         callbacks.die.callback                = sc_die_callback;
 653         callbacks.save_complete.callback      = sc_save_complete_callback;
 654         callbacks.shutdown_cancelled.callback = sc_shutdown_cancelled_callback;
 655
 656         callbacks.save_yourself.client_data =
 657                 callbacks.die.client_data =
 658                 callbacks.save_complete.client_data =
 659                 callbacks.shutdown_cancelled.client_data = (SmPointer) mainwin;
 660         if (g_getenv ("SESSION_MANAGER")) {
 661                 gchar error_string_ret[256] = "";
 662
 663                 mainwin->smc_conn = (gpointer)
 664                         SmcOpenConnection (NULL, mainwin,
 665                                 SmProtoMajor, SmProtoMinor,
 666                                 SmcSaveYourselfProcMask | SmcDieProcMask |
 667                                 SmcSaveCompleteProcMask |
 668                                 SmcShutdownCancelledProcMask,
 669                                 &callbacks,
 670                                 NULL, &client_id,
 671                                 256, error_string_ret);
 672
 673                 if (error_string_ret[0] || mainwin->smc_conn == NULL)
 674                         g_warning ("While connecting to session manager:\n%s.",
 675                                 error_string_ret);
 676                 else {
 677                         SmPropValue *vals;
 678                         vals = g_new (SmPropValue, 1);
 679                         vals[0].length = strlen(argv0);
 680                         vals[0].value = argv0;
 681                         sc_client_set_value (mainwin, SmCloneCommand, SmLISTofARRAY8, 1, vals);
 682                         sc_client_set_value (mainwin, SmRestartCommand, SmLISTofARRAY8, 1, vals);
 683                         sc_client_set_value (mainwin, SmProgram, SmARRAY8, 1, vals);
 684
 685                         vals[0].length = strlen(g_get_user_name()?g_get_user_name():"");
 686                         vals[0].value = g_strdup(g_get_user_name()?g_get_user_name():"");
 687                         sc_client_set_value (mainwin, SmUserID, SmARRAY8, 1, vals);
 688                 }
 689         }
 690 }
 691 #endif
 692
 693 static gboolean sc_exiting = FALSE;
 694 static gboolean show_at_startup = TRUE;
 695 static gboolean claws_crashed_bool = FALSE;
 696
 697 gboolean claws_crashed(void) {
 698         return claws_crashed_bool;
 699 }
 700
 701 void main_set_show_at_startup(gboolean show)
 702 {
 703         show_at_startup = show;
 704 }
 705
 706 #ifdef MAEMO
 707 static void main_vol_mount_cb(GnomeVFSVolumeMonitor *vfs, GnomeVFSVolume *vol, MainWindow *mainwin)
 708 {
 709         gchar *uri = gnome_vfs_volume_get_activation_uri (vol);
 710         gchar *mount_path = uri?gnome_vfs_get_local_path_from_uri (uri):NULL;
 711         g_free (uri);
 712         if (mount_path) {
 713                 if(!strcmp(mount_path, prefs_common.data_root)) {
 714                         gtk_widget_set_sensitive(mainwin->window, TRUE);
 715                         inc_unlock();
 716                 }
 717         }
 718         g_free(mount_path);
 719 }
 720 static void main_vol_unmount_cb(GnomeVFSVolumeMonitor *vfs, GnomeVFSVolume *vol, MainWindow *mainwin)
 721 {
 722         gchar *uri = gnome_vfs_volume_get_activation_uri (vol);
 723         gchar *mount_path = uri?gnome_vfs_get_local_path_from_uri (uri):NULL;
 724         g_free (uri);
 725         if (mount_path) {
 726                 if(!strcmp(mount_path, prefs_common.data_root)) {
 727                         gtk_widget_set_sensitive(mainwin->window, FALSE);
 728                         inc_lock();
 729                 }
 730         }
 731         g_free(mount_path);
 732 }
 733 #endif
 734
 735 #ifdef G_OS_WIN32
 736 static FILE* win32_debug_fp=NULL;
 737 static guint win32_log_handler_app_id;
 738 static guint win32_log_handler_glib_id;
 739 static guint win32_log_handler_gtk_id;
 740
 741 static void win32_print_stdout(const gchar *string)
 742 {
 743         if (win32_debug_fp) {
 744                 fprintf(win32_debug_fp, string);
 745                 fflush(win32_debug_fp);
 746         }
 747 }
 748
 749 static void win32_print_stderr(const gchar *string)
 750 {
 751         if (win32_debug_fp) {
 752                 fprintf(win32_debug_fp, string);
 753                 fflush(win32_debug_fp);
 754         }
 755 }
 756
 757 static void win32_log(const gchar *log_domain, GLogLevelFlags log_level, const gchar* message, gpointer user_data)
 758 {
 759         if (win32_debug_fp) {
 760                 const gchar* type;
 761
 762                 switch(log_level & G_LOG_LEVEL_MASK)
 763                 {
 764                         case G_LOG_LEVEL_ERROR:
 765                                 type="error";
 766                                 break;
 767                         case G_LOG_LEVEL_CRITICAL:
 768                                 type="critical";
 769                                 break;
 770                         case G_LOG_LEVEL_WARNING:
 771                                 type="warning";
 772                                 break;
 773                         case G_LOG_LEVEL_MESSAGE:
 774                                 type="message";
 775                                 break;
 776                         case G_LOG_LEVEL_INFO:
 777                                 type="info";
 778                                 break;
 779                         case G_LOG_LEVEL_DEBUG:
 780                                 type="debug";
 781                                 break;
 782                         default:
 783                                 type="N/A";
 784                 }
 785                 if (log_domain)
 786                         fprintf(win32_debug_fp, "%s: %s: %s", log_domain, type, message);
 787                 else
 788                         fprintf(win32_debug_fp, "%s: %s", type, message);
 789                 fflush(win32_debug_fp);
 790         }
 791 }
 792
 793 static void win32_open_log(void)
 794 {
 795         if (is_file_exist("claws-win32.log")) {
 796                 if (rename_force("claws-win32.log", "claws-win32.log.bak") < 0)
 797                         FILE_OP_ERROR("claws-win32.log", "rename");
 798         }
 799         win32_debug_fp = fopen("claws-win32.log", "w");
 800         if (win32_debug_fp)
 801         {
 802                 g_set_print_handler(win32_print_stdout);
 803                 g_set_printerr_handler(win32_print_stdout);
 804                 win32_log_handler_app_id = g_log_set_handler(NULL, G_LOG_LEVEL_MASK | G_LOG_FLAG_FATAL
 805                      | G_LOG_FLAG_RECURSION, win32_log, NULL);
 806                 win32_log_handler_glib_id = g_log_set_handler("GLib", G_LOG_LEVEL_MASK | G_LOG_FLAG_FATAL
 807                      | G_LOG_FLAG_RECURSION, win32_log, NULL);
 808                 win32_log_handler_gtk_id = g_log_set_handler("Gtk", G_LOG_LEVEL_MASK | G_LOG_FLAG_FATAL
 809                      | G_LOG_FLAG_RECURSION, win32_log, NULL);
 810         }
 811 }
 812
 813 static void win32_close_log(void)
 814 {
 815         if (win32_debug_fp)
 816         {
 817                 g_log_remove_handler("", win32_log_handler_app_id);
 818                 g_log_remove_handler("GLib", win32_log_handler_glib_id);
 819                 g_log_remove_handler("Gtk", win32_log_handler_gtk_id);
 820                 fclose(win32_debug_fp);
 821                 win32_debug_fp=NULL;
 822         }
 823 }
 824 #endif
 825
 826 static void main_dump_features_list(gboolean show_debug_only)
 827 /* display compiled-in features list */
 828 {
 829         if (show_debug_only && !debug_get_mode())
 830                 return;
 831
 832         if (show_debug_only)
 833                 debug_print("GTK+ %d.%d.%d / GLib %d.%d.%d\n",
 834                            gtk_major_version, gtk_minor_version, gtk_micro_version,
 835                            glib_major_version, glib_minor_version, glib_micro_version);
 836         else
 837                 g_print("GTK+ %d.%d.%d / GLib %d.%d.%d\n",
 838                            gtk_major_version, gtk_minor_version, gtk_micro_version,
 839                            glib_major_version, glib_minor_version, glib_micro_version);
 840         if (show_debug_only)
 841                 debug_print("Compiled-in features:\n");
 842         else
 843                 g_print("Compiled-in features:\n");
 844 #if HAVE_LIBCOMPFACE
 845         if (show_debug_only)
 846                 debug_print(" compface\n");
 847         else
 848                 g_print(" compface\n");
 849 #endif
 850 #if USE_ASPELL
 851         if (show_debug_only)
 852                 debug_print(" aspell\n");
 853         else
 854                 g_print(" aspell\n");
 855 #endif
 856 #if USE_GNUTLS
 857         if (show_debug_only)
 858                 debug_print(" gnutls\n");
 859         else
 860                 g_print(" gnutls\n");
 861 #endif
 862 #if INET6
 863         if (show_debug_only)
 864                 debug_print(" ipv6\n");
 865         else
 866                 g_print(" ipv6\n");
 867 #endif
 868 #if HAVE_ICONV
 869         if (show_debug_only)
 870                 debug_print(" iconv\n");
 871         else
 872                 g_print(" iconv\n");
 873 #endif
 874 #if USE_JPILOT
 875         if (show_debug_only)
 876                 debug_print(" jpilot\n");
 877         else
 878                 g_print(" jpilot\n");
 879 #endif
 880 #if USE_LDAP
 881         if (show_debug_only)
 882                 debug_print(" ldap\n");
 883         else
 884                 g_print(" ldap\n");
 885 #endif
 886 #if HAVE_LIBETPAN
 887         if (show_debug_only)
 888                 debug_print(" libetpan %d.%d\n", LIBETPAN_VERSION_MAJOR, LIBETPAN_VERSION_MINOR);
 889         else
 890                 g_print(" libetpan %d.%d\n", LIBETPAN_VERSION_MAJOR, LIBETPAN_VERSION_MINOR);
 891 #endif
 892 #if USE_GNOMEPRINT
 893         if (show_debug_only)
 894                 debug_print(" gnomeprint\n");
 895         else
 896                 g_print(" gnomeprint\n");
 897 #endif
 898 #if HAVE_LIBSM
 899         if (show_debug_only)
 900                 debug_print(" libsm\n");
 901         else
 902                 g_print(" libsm\n");
 903 #endif
 904 #if HAVE_NETWORKMANAGER_SUPPORT
 905         if (show_debug_only)
 906                 debug_print(" NetworkManager\n");
 907         else
 908                 g_print(" NetworkManager\n");
 909 #endif
 910 #if USE_OPENSSL
 911         if (show_debug_only)
 912                 debug_print(" openssl\n");
 913         else
 914                 g_print(" openssl\n");
 915 #endif
 916 }
 917
 918 int main(int argc, char *argv[])
 919 {
 920 #ifdef MAEMO
 921         osso_context_t *osso_context;
 922         osso_return_t result;
 923 #endif
 924 #ifdef HAVE_NETWORKMANAGER_SUPPORT
 925         DBusGConnection *connection;
 926   GError *error;
 927   DBusGProxy *proxy;
 928 #endif
 929         gchar *userrc;
 930         MainWindow *mainwin;
 931         FolderView *folderview;
 932         GdkPixbuf *icon;
 933         gboolean crash_file_present = FALSE;
 934         gint num_folder_class = 0;
 935         gboolean asked_for_migration = FALSE;
 936         gboolean start_done = TRUE;
 937
 938         START_TIMING("startup");
 939
 940         sc_starting = TRUE;
 941
 942 #ifdef G_OS_WIN32
 943         win32_open_log();
 944 #endif
 945         if (!claws_init(&argc, &argv)) {
 946 #ifdef G_OS_WIN32
 947                 win32_close_log();
 948 #endif
 949                 return 0;
 950         }
 951
 952         main_dump_features_list(TRUE);
 953
 954         prog_version = PROG_VERSION;
 955         argv0 = g_strdup(argv[0]);
 956
 957         parse_cmd_opt(argc, argv);
 958
 959         prefs_prepare_cache();
 960
 961 #ifdef CRASH_DIALOG
 962         if (cmd.crash) {
 963                 gtk_set_locale();
 964                 gtk_init(&argc, &argv);
 965                 crash_main(cmd.crash_params);
 966 #ifdef G_OS_WIN32
 967                 win32_close_log();
 968 #endif
 969                 return 0;
 970         }
 971         crash_install_handlers();
 972 #endif
 973         install_basic_sighandlers();
 974 #if (defined linux && defined SIGIO)
 975         install_memory_sighandler();
 976 #endif
 977         sock_init();
 978
 979         /* check and create unix domain socket for remote operation */
 980 #ifdef G_OS_UNIX
 981         lock_socket = prohibit_duplicate_launch();
 982         if (lock_socket < 0) {
 983 #ifdef HAVE_STARTUP_NOTIFICATION
 984                 if(gtk_init_check(&argc, &argv))
 985                         startup_notification_complete(TRUE);
 986 #endif
 987                 return 0;
 988         }
 989
 990         if (cmd.status || cmd.status_full) {
 991                 puts("0 Claws Mail not running.");
 992                 lock_socket_remove();
 993                 return 0;
 994         }
 995
 996         if (cmd.exit)
 997                 return 0;
 998 #endif
 999         if (!g_thread_supported())
1000                 g_thread_init(NULL);
1001
1002         gtk_set_locale();
1003         gtk_init(&argc, &argv);
1004
1005 #ifdef HAVE_NETWORKMANAGER_SUPPORT
1006         went_offline_nm = FALSE;
1007         error = NULL;
1008         proxy = NULL;
1009   connection = dbus_g_bus_get(DBUS_BUS_SYSTEM, &error);
1010
1011   if(!connection) {
1012                 debug_print("Failed to open connection to system bus: %s\n", error->message);
1013                 g_error_free(error);
1014         }
1015         else {
1016                 proxy = dbus_g_proxy_new_for_name(connection,
1017                                                                                                                                                         "org.freedesktop.NetworkManager",
1018                                                                                                                                                         "/org/freedesktop/NetworkManager",
1019                                                                                                                                                         "org.freedesktop.NetworkManager");
1020                 dbus_g_proxy_add_signal(proxy,"StateChange", G_TYPE_UINT, G_TYPE_INVALID);
1021                 dbus_g_proxy_connect_signal(proxy, "StateChange",
1022                         G_CALLBACK(networkmanager_state_change_cb),
1023                         NULL,NULL);
1024         }
1025 #endif
1026
1027
1028 #ifdef MAEMO
1029         osso_context = osso_initialize(OSSO_SERVICE, "2.8.1", TRUE, NULL);
1030         if (osso_context == NULL) {
1031                 return OSSO_ERROR;
1032         }
1033         hildon_program = HILDON_PROGRAM(hildon_program_get_instance());
1034         static_osso_context = osso_context;
1035 #endif
1036         gdk_rgb_init();
1037         gtk_widget_set_default_colormap(gdk_rgb_get_colormap());
1038         gtk_widget_set_default_visual(gdk_rgb_get_visual());
1039
1040         if (!g_thread_supported()) {
1041                 g_error(_("g_thread is not supported by glib.\n"));
1042         }
1043
1044         /* check that we're not on a too recent/old gtk+ */
1045 #if GTK_CHECK_VERSION(2, 9, 0)
1046         if (gtk_check_version(2, 9, 0) != NULL) {
1047                 alertpanel_error(_("Claws Mail has been compiled with "
1048                                    "a more recent GTK+ library than is "
1049                                    "currently available. This will cause "
1050                                    "crashes. You need to upgrade GTK+ or "
1051                                    "recompile Claws Mail."));
1052 #ifdef G_OS_WIN32
1053                 win32_close_log();
1054 #endif
1055                 exit(1);
1056         }
1057 #else
1058         if (gtk_check_version(2, 9, 0) == NULL) {
1059                 alertpanel_error(_("Claws Mail has been compiled with "
1060                                    "an older GTK+ library than is "
1061                                    "currently available. This will cause "
1062                                    "crashes. You need to recompile "
1063                                    "Claws Mail."));
1064 #ifdef G_OS_WIN32
1065                 win32_close_log();
1066 #endif
1067                 exit(1);
1068         }
1069 #endif
1070
1071 #ifdef G_OS_WIN32
1072         CHDIR_EXEC_CODE_RETURN_VAL_IF_FAIL(get_home_dir(), 1, win32_close_log(););
1073 #else
1074         CHDIR_RETURN_VAL_IF_FAIL(get_home_dir(), 1);
1075 #endif
1076
1077         /* no config dir exists. See if we can migrate an old config. */
1078         if (!is_dir_exist(RC_DIR)) {
1079                 prefs_destroy_cache();
1080                 gboolean r = FALSE;
1081
1082                 /* if one of the old dirs exist, we'll ask if the user
1083                  * want to migrates, and r will be TRUE if he said yes
1084                  * and migration succeeded, and FALSE otherwise.
1085                  */
1086                 if (is_dir_exist(OLD_GTK2_RC_DIR)) {
1087                         r = migrate_old_config(OLD_GTK2_RC_DIR, RC_DIR, _("Sylpheed-Claws 2.6.0 (or older)"));
1088                         asked_for_migration = TRUE;
1089                 } else if (is_dir_exist(OLDER_GTK2_RC_DIR)) {
1090                         r = migrate_old_config(OLDER_GTK2_RC_DIR, RC_DIR, _("Sylpheed-Claws 1.9.15 (or older)"));
1091                         asked_for_migration = TRUE;
1092                 } else if (is_dir_exist(OLD_GTK1_RC_DIR)) {
1093                         r = migrate_old_config(OLD_GTK1_RC_DIR, RC_DIR, _("Sylpheed-Claws 1.0.5 (or older)"));
1094                         asked_for_migration = TRUE;
1095                 } else if (is_dir_exist(SYLPHEED_RC_DIR)) {
1096                         r = migrate_old_config(SYLPHEED_RC_DIR, RC_DIR, "Sylpheed");
1097                         asked_for_migration = TRUE;
1098                 }
1099
1100                 /* If migration failed or the user didn't want to do it,
1101                  * we create a new one (and we'll hit wizard later).
1102                  */
1103                 if (r == FALSE && !is_dir_exist(RC_DIR) && make_dir(RC_DIR) < 0) {
1104 #ifdef G_OS_WIN32
1105                         win32_close_log();
1106 #endif
1107                         exit(1);
1108         }
1109         }
1110
1111
1112         if (!is_file_exist(RC_DIR G_DIR_SEPARATOR_S COMMON_RC) &&
1113             is_file_exist(RC_DIR G_DIR_SEPARATOR_S OLD_COMMON_RC)) {
1114                 /* post 2.6 name change */
1115                 migrate_common_rc(RC_DIR G_DIR_SEPARATOR_S OLD_COMMON_RC,
1116                           RC_DIR G_DIR_SEPARATOR_S COMMON_RC);
1117         }
1118
1119         if (!cmd.exit)
1120                 plugin_load_all("Common");
1121
1122         userrc = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S, "gtkrc-2.0", NULL);
1123         gtk_rc_parse(userrc);
1124         g_free(userrc);
1125
1126         userrc = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S, MENU_RC, NULL);
1127         gtk_accel_map_load (userrc);
1128         g_free(userrc);
1129
1130 #ifdef G_OS_WIN32
1131         CHDIR_EXEC_CODE_RETURN_VAL_IF_FAIL(get_rc_dir(), 1, win32_close_log(););
1132 #else
1133         CHDIR_RETURN_VAL_IF_FAIL(get_rc_dir(), 1);
1134 #endif
1135
1136         MAKE_DIR_IF_NOT_EXIST(get_mail_base_dir());
1137         MAKE_DIR_IF_NOT_EXIST(get_imap_cache_dir());
1138         MAKE_DIR_IF_NOT_EXIST(get_news_cache_dir());
1139         MAKE_DIR_IF_NOT_EXIST(get_mime_tmp_dir());
1140         MAKE_DIR_IF_NOT_EXIST(get_tmp_dir());
1141         MAKE_DIR_IF_NOT_EXIST(UIDL_DIR);
1142
1143         crash_file_present = is_file_exist(get_crashfile_name());
1144         /* remove temporary files */
1145         remove_all_files(get_tmp_dir());
1146         remove_all_files(get_mime_tmp_dir());
1147
1148         if (!cmd.crash && crash_file_present)
1149                 claws_crashed_bool = TRUE;
1150
1151         if (is_file_exist("claws.log")) {
1152                 if (rename_force("claws.log", "claws.log.bak") < 0)
1153                         FILE_OP_ERROR("claws.log", "rename");
1154         }
1155         set_log_file(LOG_PROTOCOL, "claws.log");
1156
1157         if (is_file_exist("filtering.log")) {
1158                 if (rename_force("filtering.log", "filtering.log.bak") < 0)
1159                         FILE_OP_ERROR("filtering.log", "rename");
1160         }
1161         set_log_file(LOG_DEBUG_FILTERING, "filtering.log");
1162
1163 #ifdef G_OS_WIN32
1164         CHDIR_EXEC_CODE_RETURN_VAL_IF_FAIL(get_home_dir(), 1, win32_close_log(););
1165 #else
1166         CHDIR_RETURN_VAL_IF_FAIL(get_home_dir(), 1);
1167 #endif
1168
1169         folder_system_init();
1170         prefs_common_read_config();
1171
1172         prefs_themes_init();
1173         prefs_fonts_init();
1174         prefs_ext_prog_init();
1175         prefs_wrapping_init();
1176         prefs_compose_writing_init();
1177         prefs_msg_colors_init();
1178         image_viewer_init();
1179         prefs_image_viewer_init();
1180         prefs_quote_init();
1181         prefs_summaries_init();
1182         prefs_message_init();
1183         prefs_other_init();
1184         prefs_logging_init();
1185         prefs_receive_init();
1186         prefs_send_init();
1187         tags_read_tags();
1188 #ifdef USE_ASPELL
1189         gtkaspell_checkers_init();
1190         prefs_spelling_init();
1191 #endif
1192
1193         sock_set_io_timeout(prefs_common.io_timeout_secs);
1194         prefs_actions_read_config();
1195         prefs_display_header_read_config();
1196         /* prefs_filtering_read_config(); */
1197         addressbook_read_file();
1198
1199         gtkut_widget_init();
1200         stock_pixbuf_gdk(NULL, STOCK_PIXMAP_CLAWS_MAIL_ICON, &icon);
1201         gtk_window_set_default_icon(icon);
1202
1203         folderview_initialize();
1204
1205         mh_gtk_init();
1206         imap_gtk_init();
1207         news_gtk_init();
1208
1209         mainwin = main_window_create();
1210
1211 #ifdef HAVE_NETWORKMANAGER_SUPPORT
1212                 networkmanager_state_change_cb(proxy,NULL,mainwin);
1213 #endif
1214
1215 #ifdef MAEMO
1216         AppData *appdata;
1217         appdata = g_new0(AppData, 1);
1218         appdata->program = hildon_program;
1219         appdata->window = HILDON_WINDOW(mainwin->window);
1220         appdata->osso_context = osso_context;
1221         result = osso_rpc_set_cb_f(appdata->osso_context,
1222                 OSSO_SERVICE,
1223                 OSSO_OBJECT,
1224                 OSSO_IFACE,
1225                 dbus_req_handler, appdata);
1226         if (result != OSSO_OK) {
1227                 return OSSO_ERROR;
1228         }
1229
1230 #ifndef CHINOOK
1231         /* Add handler for Exit D-BUS messages */
1232         result = osso_application_set_exit_cb(appdata->osso_context,
1233                                                 exit_event_handler,
1234                                                 (gpointer) appdata);
1235         if (result != OSSO_OK) {
1236                 return OSSO_ERROR;
1237         }
1238 #endif
1239         osso_hw_set_event_cb( appdata->osso_context,
1240                                 NULL, hw_event_handler, (gpointer) appdata );
1241 #endif
1242         manage_window_focus_in(mainwin->window, NULL, NULL);
1243         folderview = mainwin->folderview;
1244
1245         gtk_clist_freeze(GTK_CLIST(mainwin->folderview->ctree));
1246         folder_item_update_freeze();
1247
1248         /* register the callback of unix domain socket input */
1249 #ifdef G_OS_UNIX
1250         lock_socket_tag = gdk_input_add(lock_socket,
1251                                         GDK_INPUT_READ | GDK_INPUT_EXCEPTION,
1252                                         lock_socket_input_cb,
1253                                         mainwin);
1254 #endif
1255
1256
1257         prefs_account_init();
1258         account_read_config_all();
1259
1260         /* If we can't read a folder list or don't have accounts,
1261          * it means the configuration's not done. Either this is
1262          * a brand new install, either a failed/refused migration.
1263          * So we'll start the wizard.
1264          */
1265         if (folder_read_list() < 0) {
1266                 prefs_destroy_cache();
1267
1268                 /* if run_wizard returns FALSE it's because it's
1269                  * been cancelled. We can't do much but exit.
1270                  * however, if the user was asked for a migration,
1271                  * we remove the newly created directory so that
1272                  * he's asked again for migration on next launch.*/
1273                 if (!run_wizard(mainwin, TRUE)) {
1274                         if (asked_for_migration)
1275                                 remove_dir_recursive(RC_DIR);
1276 #ifdef G_OS_WIN32
1277                         win32_close_log();
1278 #endif
1279                         exit(1);
1280                 }
1281                 main_window_reflect_prefs_all_now();
1282                 folder_write_list();
1283         }
1284
1285         if (!account_get_list()) {
1286                 prefs_destroy_cache();
1287                 if (!run_wizard(mainwin, FALSE)) {
1288                         if (asked_for_migration)
1289                                 remove_dir_recursive(RC_DIR);
1290 #ifdef G_OS_WIN32
1291                         win32_close_log();
1292 #endif
1293                         exit(1);
1294                 }
1295                 if(!account_get_list()) {
1296                         exit_claws(mainwin);
1297 #ifdef G_OS_WIN32
1298                         win32_close_log();
1299 #endif
1300                         exit(1);
1301                 }
1302         }
1303
1304
1305         toolbar_main_set_sensitive(mainwin);
1306         main_window_set_menu_sensitive(mainwin);
1307
1308         /* if crashed, show window early so that the user
1309          * sees what's happening */
1310         if (claws_crashed())
1311                 main_window_popup(mainwin);
1312
1313 #ifdef USE_GNUTLS
1314         gcry_control (GCRYCTL_SET_THREAD_CBS, &gcry_threads_pthread);
1315 #endif
1316
1317 #ifdef HAVE_LIBETPAN
1318         imap_main_init(prefs_common.skip_ssl_cert_check);
1319         imap_main_set_timeout(prefs_common.io_timeout_secs);
1320         nntp_main_init(prefs_common.skip_ssl_cert_check);
1321 #endif
1322         account_set_missing_folder();
1323         folder_set_missing_folders();
1324         folderview_set(folderview);
1325
1326         prefs_matcher_read_config();
1327
1328         /* make one all-folder processing before using claws */
1329         main_window_cursor_wait(mainwin);
1330         folder_func_to_all_folders(initial_processing, (gpointer *)mainwin);
1331
1332         /* if claws crashed, rebuild caches */
1333         if (claws_crashed()) {
1334                 GTK_EVENTS_FLUSH();
1335                 debug_print("Claws Mail crashed, checking for new messages in local folders\n");
1336                 folder_item_update_thaw();
1337                 folderview_check_new(NULL);
1338                 folder_clean_cache_memory_force();
1339                 folder_item_update_freeze();
1340         }
1341         /* make the crash-indicator file */
1342         str_write_to_file("foo", get_crashfile_name());
1343
1344         inc_autocheck_timer_init(mainwin);
1345
1346         /* ignore SIGPIPE signal for preventing sudden death of program */
1347 #ifdef G_OS_UNIX
1348         signal(SIGPIPE, SIG_IGN);
1349 #endif
1350         if (cmd.online_mode == ONLINE_MODE_OFFLINE) {
1351                 main_window_toggle_work_offline(mainwin, TRUE, FALSE);
1352         }
1353         if (cmd.online_mode == ONLINE_MODE_ONLINE) {
1354                 main_window_toggle_work_offline(mainwin, FALSE, FALSE);
1355         }
1356
1357         if (cmd.status_folders) {
1358                 g_ptr_array_free(cmd.status_folders, TRUE);
1359                 cmd.status_folders = NULL;
1360         }
1361         if (cmd.status_full_folders) {
1362                 g_ptr_array_free(cmd.status_full_folders, TRUE);
1363                 cmd.status_full_folders = NULL;
1364         }
1365
1366         claws_register_idle_function(claws_gtk_idle);
1367
1368         prefs_toolbar_init();
1369
1370         num_folder_class = g_list_length(folder_get_list());
1371
1372         plugin_load_all("GTK2");
1373
1374         if (g_list_length(folder_get_list()) != num_folder_class) {
1375                 debug_print("new folders loaded, reloading processing rules\n");
1376                 prefs_matcher_read_config();
1377         }
1378
1379         if (plugin_get_unloaded_list() != NULL) {
1380                 main_window_cursor_normal(mainwin);
1381                 alertpanel_warning(_("Some plugin(s) failed to load. "
1382                                      "Check the Plugins configuration "
1383                                      "for more information."));
1384                 main_window_cursor_wait(mainwin);
1385         }
1386
1387         plugin_load_standard_plugins ();
1388
1389         /* if not crashed, show window now */
1390         if (!claws_crashed()) {
1391                 /* apart if something told not to show */
1392                 if (show_at_startup)
1393                         main_window_popup(mainwin);
1394         }
1395
1396         if (!folder_have_mailbox()) {
1397                 prefs_destroy_cache();
1398                 main_window_cursor_normal(mainwin);
1399                 if (folder_get_list() != NULL) {
1400                         alertpanel_error(_("Claws Mail has detected a configured "
1401                                    "mailbox, but it is incomplete. It is "
1402                                    "possibly due to a failing IMAP account. Use "
1403                                    "\"Rebuild folder tree\" on the mailbox parent "
1404                                    "folder's context menu to try to fix it."));
1405                 } else {
1406                         alertpanel_error(_("Claws Mail has detected a configured "
1407                                    "mailbox, but could not load it. It is "
1408                                    "probably provided by an out-of-date "
1409                                    "external plugin. Please reinstall the "
1410                                    "plugin and try again."));
1411                         exit_claws(mainwin);
1412 #ifdef G_OS_WIN32
1413                         win32_close_log();
1414 #endif
1415                         exit(1);
1416                 }
1417         }
1418
1419         static_mainwindow = mainwin;
1420
1421 #ifdef MAEMO
1422         if (prefs_common.data_root != NULL && *prefs_common.data_root != '\0') {
1423                 GnomeVFSVolume *vol = NULL;
1424                 gchar *uri, *mount_path;
1425
1426                 volmon = gnome_vfs_get_volume_monitor();
1427                 vol = gnome_vfs_volume_monitor_get_volume_for_path(volmon, prefs_common.data_root);
1428
1429                 uri = gnome_vfs_volume_get_activation_uri (vol);
1430                 mount_path = uri?gnome_vfs_get_local_path_from_uri (uri):NULL;
1431                 g_free(uri);
1432
1433                 if (vol == NULL || !gnome_vfs_volume_is_mounted(vol)
1434                     || strcmp(mount_path, prefs_common.data_root)) {
1435                         alertpanel_error(_("Claws Mail can not start without its data volume (%s)."),
1436                                 prefs_common.data_root);
1437                         g_free(mount_path);
1438                         gnome_vfs_volume_unref(vol);
1439                         exit_claws(mainwin);
1440                         exit(1);
1441                 }
1442                 g_free(mount_path);
1443                 gnome_vfs_volume_unref(vol);
1444                 g_signal_connect(G_OBJECT(volmon),
1445                                 "volume-mounted", G_CALLBACK(main_vol_mount_cb), mainwin);
1446                 g_signal_connect(G_OBJECT(volmon),
1447                                 "volume-unmounted", G_CALLBACK(main_vol_unmount_cb), mainwin);
1448         }
1449 #endif
1450
1451 #ifdef HAVE_STARTUP_NOTIFICATION
1452         startup_notification_complete(FALSE);
1453 #endif
1454 #ifdef HAVE_LIBSM
1455         sc_session_manager_connect(mainwin);
1456 #endif
1457
1458         folder_item_update_thaw();
1459         gtk_clist_thaw(GTK_CLIST(mainwin->folderview->ctree));
1460         main_window_cursor_normal(mainwin);
1461
1462         if (!cmd.target && prefs_common.goto_last_folder_on_startup &&
1463             folder_find_item_from_identifier(prefs_common.last_opened_folder) != NULL &&
1464             !claws_crashed()) {
1465                 cmd.target = prefs_common.last_opened_folder;
1466         }
1467
1468         if (cmd.receive_all && !cmd.target) {
1469                 start_done = FALSE;
1470                 g_timeout_add(1000, defer_check_all, GINT_TO_POINTER(FALSE));
1471         } else if (prefs_common.chk_on_startup && !cmd.target) {
1472                 start_done = FALSE;
1473                 g_timeout_add(1000, defer_check_all, GINT_TO_POINTER(TRUE));
1474         } else if (cmd.receive && !cmd.target) {
1475                 start_done = FALSE;
1476                 g_timeout_add(1000, defer_check, NULL);
1477         }
1478         gtk_widget_grab_focus(folderview->ctree);
1479
1480         if (cmd.compose) {
1481                 open_compose_new(cmd.compose_mailto, cmd.attach_files);
1482         }
1483         if (cmd.attach_files) {
1484                 ptr_array_free_strings(cmd.attach_files);
1485                 g_ptr_array_free(cmd.attach_files, TRUE);
1486                 cmd.attach_files = NULL;
1487         }
1488         if (cmd.subscribe) {
1489                 folder_subscribe(cmd.subscribe_uri);
1490         }
1491
1492         if (cmd.send) {
1493                 send_queue();
1494         }
1495
1496         if (cmd.target) {
1497                 start_done = FALSE;
1498                 g_timeout_add(500, defer_jump, (gpointer)cmd.target);
1499         }
1500
1501         prefs_destroy_cache();
1502
1503         compose_reopen_exit_drafts();
1504
1505         if (start_done) {
1506                 sc_starting = FALSE;
1507                 main_window_set_menu_sensitive(mainwin);
1508                 toolbar_main_set_sensitive(mainwin);
1509         }
1510         END_TIMING();
1511
1512         gtk_main();
1513
1514 #ifdef MAEMO
1515         osso_deinitialize(osso_context);
1516 #endif
1517 #ifdef HAVE_NETWORKMANAGER_SUPPORT
1518         if(proxy)
1519                 g_object_unref(proxy);
1520         if(connection)
1521                 dbus_g_connection_unref(connection);
1522 #endif
1523 #ifdef G_OS_WIN32
1524         win32_close_log();
1525 #endif
1526         utils_free_regex();
1527         exit_claws(mainwin);
1528
1529         return 0;
1530 }
1531
1532 static void save_all_caches(FolderItem *item, gpointer data)
1533 {
1534         if (!item->cache) {
1535                 return;
1536         }
1537
1538         if (item->opened) {
1539                 folder_item_close(item);
1540         }
1541
1542         folder_item_free_cache(item, TRUE);
1543 }
1544
1545 static void exit_claws(MainWindow *mainwin)
1546 {
1547         gchar *filename;
1548
1549         sc_exiting = TRUE;
1550
1551         debug_print("shutting down\n");
1552         inc_autocheck_timer_remove();
1553
1554         if (prefs_common.clean_on_exit && !emergency_exit) {
1555                 main_window_empty_trash(mainwin, prefs_common.ask_on_clean);
1556         }
1557
1558 #ifdef HAVE_NETWORKMANAGER_SUPPORT
1559         if (prefs_common.work_offline && went_offline_nm)
1560                 prefs_common.work_offline = FALSE;
1561 #endif
1562
1563         /* save prefs for opened folder */
1564         if(mainwin->folderview->opened) {
1565                 FolderItem *item;
1566
1567                 item = gtk_ctree_node_get_row_data(GTK_CTREE(mainwin->folderview->ctree), mainwin->folderview->opened);
1568                 summary_save_prefs_to_folderitem(mainwin->folderview->summaryview, item);
1569                 prefs_common.last_opened_folder = folder_item_get_identifier(item);
1570         }
1571
1572         /* save all state before exiting */
1573         folder_func_to_all_folders(save_all_caches, NULL);
1574         folder_write_list();
1575
1576         main_window_get_size(mainwin);
1577         main_window_get_position(mainwin);
1578
1579         prefs_common_write_config();
1580         account_write_config_all();
1581         addressbook_export_to_file();
1582
1583         filename = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S, MENU_RC, NULL);
1584         gtk_accel_map_save(filename);
1585         g_free(filename);
1586
1587         /* delete temporary files */
1588         remove_all_files(get_tmp_dir());
1589         remove_all_files(get_mime_tmp_dir());
1590
1591         close_log_file(LOG_PROTOCOL);
1592         close_log_file(LOG_DEBUG_FILTERING);
1593
1594 #ifdef HAVE_LIBETPAN
1595         imap_main_done();
1596         nntp_main_done();
1597 #endif
1598         /* delete crashfile */
1599         if (!cmd.crash)
1600                 claws_unlink(get_crashfile_name());
1601
1602         lock_socket_remove();
1603
1604 #ifdef HAVE_LIBSM
1605         if (mainwin->smc_conn)
1606                 SmcCloseConnection ((SmcConn)mainwin->smc_conn, 0, NULL);
1607         mainwin->smc_conn = NULL;
1608 #endif
1609
1610         main_window_destroy_all();
1611
1612         plugin_unload_all("GTK2");
1613
1614         prefs_toolbar_done();
1615
1616         addressbook_destroy();
1617
1618         prefs_themes_done();
1619         prefs_fonts_done();
1620         prefs_ext_prog_done();
1621         prefs_wrapping_done();
1622         prefs_compose_writing_done();
1623         prefs_msg_colors_done();
1624         prefs_image_viewer_done();
1625         image_viewer_done();
1626         prefs_quote_done();
1627         prefs_summaries_done();
1628         prefs_message_done();
1629         prefs_other_done();
1630         prefs_receive_done();
1631         prefs_logging_done();
1632         prefs_send_done();
1633         tags_write_tags();
1634 #ifdef USE_ASPELL
1635         prefs_spelling_done();
1636         gtkaspell_checkers_quit();
1637 #endif
1638         plugin_unload_all("Common");
1639         claws_done();
1640 }
1641
1642 static void parse_cmd_opt(int argc, char *argv[])
1643 {
1644         gint i;
1645
1646         for (i = 1; i < argc; i++) {
1647                 if (!strncmp(argv[i], "--receive-all", 13)) {
1648                         cmd.receive_all = TRUE;
1649                 } else if (!strncmp(argv[i], "--receive", 9)) {
1650                         cmd.receive = TRUE;
1651                 } else if (!strncmp(argv[i], "--compose", 9)) {
1652                         const gchar *p = argv[i + 1];
1653
1654                         cmd.compose = TRUE;
1655                         cmd.compose_mailto = NULL;
1656                         if (p && *p != '\0' && *p != '-') {
1657                                 if (!strncmp(p, "mailto:", 7)) {
1658                                         cmd.compose_mailto = p + 7;
1659                                 } else {
1660                                         cmd.compose_mailto = p;
1661                                 }
1662                                 i++;
1663                         }
1664                 } else if (!strncmp(argv[i], "--subscribe", 11)) {
1665                         const gchar *p = argv[i + 1];
1666                         if (p && *p != '\0' && *p != '-') {
1667                                 cmd.subscribe = TRUE;
1668                                 cmd.subscribe_uri = p;
1669                         }
1670                 } else if (!strncmp(argv[i], "--attach", 8)) {
1671                         const gchar *p = argv[i + 1];
1672                         gchar *file = NULL;
1673
1674                         while (p && *p != '\0' && *p != '-') {
1675                                 if (!cmd.attach_files) {
1676                                         cmd.attach_files = g_ptr_array_new();
1677                                 }
1678                                 if ((file = g_filename_from_uri(p, NULL, NULL)) != NULL) {
1679                                         if (!is_file_exist(file)) {
1680                                                 g_free(file);
1681                                                 file = NULL;
1682                                         }
1683                                 }
1684                                 if (file == NULL && *p != G_DIR_SEPARATOR) {
1685                                         file = g_strconcat(claws_get_startup_dir(),
1686                                                            G_DIR_SEPARATOR_S,
1687                                                            p, NULL);
1688                                 } else if (file == NULL) {
1689                                         file = g_strdup(p);
1690                                 }
1691                                 g_ptr_array_add(cmd.attach_files, file);
1692                                 i++;
1693                                 p = argv[i + 1];
1694                         }
1695                 } else if (!strncmp(argv[i], "--send", 6)) {
1696                         cmd.send = TRUE;
1697                 } else if (!strncmp(argv[i], "--version-full", 14) ||
1698                            !strncmp(argv[i], "-V", 2)) {
1699                         g_print("Claws Mail version " VERSION "\n");
1700                         main_dump_features_list(FALSE);
1701                         exit(0);
1702                 } else if (!strncmp(argv[i], "--version", 9) ||
1703                            !strncmp(argv[i], "-v", 2)) {
1704                         g_print("Claws Mail version " VERSION "\n");
1705                         exit(0);
1706                 } else if (!strncmp(argv[i], "--status-full", 13)) {
1707                         const gchar *p = argv[i + 1];
1708
1709                         cmd.status_full = TRUE;
1710                         while (p && *p != '\0' && *p != '-') {
1711                                 if (!cmd.status_full_folders) {
1712                                         cmd.status_full_folders =
1713                                                 g_ptr_array_new();
1714                                 }
1715                                 g_ptr_array_add(cmd.status_full_folders,
1716                                                 g_strdup(p));
1717                                 i++;
1718                                 p = argv[i + 1];
1719                         }
1720                 } else if (!strncmp(argv[i], "--status", 8)) {
1721                         const gchar *p = argv[i + 1];
1722
1723                         cmd.status = TRUE;
1724                         while (p && *p != '\0' && *p != '-') {
1725                                 if (!cmd.status_folders)
1726                                         cmd.status_folders = g_ptr_array_new();
1727                                 g_ptr_array_add(cmd.status_folders,
1728                                                 g_strdup(p));
1729                                 i++;
1730                                 p = argv[i + 1];
1731                         }
1732                 } else if (!strncmp(argv[i], "--online", 8)) {
1733                         cmd.online_mode = ONLINE_MODE_ONLINE;
1734                 } else if (!strncmp(argv[i], "--offline", 9)) {
1735                         cmd.online_mode = ONLINE_MODE_OFFLINE;
1736                 } else if (!strncmp(argv[i], "--help", 6) ||
1737                            !strncmp(argv[i], "-h", 2)) {
1738                         gchar *base = g_path_get_basename(argv[0]);
1739                         g_print(_("Usage: %s [OPTION]...\n"), base);
1740
1741                         g_print("%s\n", _("  --compose [address]    open composition window"));
1742                         g_print("%s\n", _("  --subscribe [uri]      subscribe to the given URI if possible"));
1743                         g_print("%s\n", _("  --attach file1 [file2]...\n"
1744                                   "                         open composition window with specified files\n"
1745                                   "                         attached"));
1746                         g_print("%s\n", _("  --receive              receive new messages"));
1747                         g_print("%s\n", _("  --receive-all          receive new messages of all accounts"));
1748                         g_print("%s\n", _("  --send                 send all queued messages"));
1749                         g_print("%s\n", _("  --status [folder]...   show the total number of messages"));
1750                         g_print("%s\n", _("  --status-full [folder]...\n"
1751                                           "                         show the status of each folder"));
1752                         g_print("%s\n", _("  --select folder[/msg]  jumps to the specified folder/message\n"
1753                                           "                         folder is a folder id like 'folder/sub_folder'"));
1754                         g_print("%s\n", _("  --online               switch to online mode"));
1755                         g_print("%s\n", _("  --offline              switch to offline mode"));
1756                         g_print("%s\n", _("  --exit --quit -q       exit Claws Mail"));
1757                         g_print("%s\n", _("  --debug                debug mode"));
1758                         g_print("%s\n", _("  --help -h              display this help and exit"));
1759                         g_print("%s\n", _("  --version -v           output version information and exit"));
1760                         g_print("%s\n", _("  --version-full -V      output version and built-in features information and exit"));
1761                         g_print("%s\n", _("  --config-dir           output configuration directory"));
1762                         g_print("%s\n", _("  --alternate-config-dir [dir]\n"
1763                                           "                         use specified configuration directory"));
1764
1765                         g_free(base);
1766                         exit(1);
1767                 } else if (!strncmp(argv[i], "--crash", 7)) {
1768                         cmd.crash = TRUE;
1769                         cmd.crash_params = g_strdup(argv[i + 1]);
1770                         i++;
1771                 } else if (!strncmp(argv[i], "--config-dir", sizeof "--config-dir" - 1)) {
1772                         g_print(RC_DIR "\n");
1773                         exit(0);
1774                 } else if (!strncmp(argv[i], "--alternate-config-dir", sizeof "--alternate-config-dir" - 1) && i+1 < argc) {
1775                         set_rc_dir(argv[i+1]);
1776                 } else if (!strncmp(argv[i], "--exit", 6) ||
1777                            !strncmp(argv[i], "--quit", 6) ||
1778                            !strncmp(argv[i], "-q", 2)) {
1779                         cmd.exit = TRUE;
1780                 } else if (!strncmp(argv[i], "--select", 8) && i+1 < argc) {
1781                         cmd.target = argv[i+1];
1782                 } else if (i == 1 && argc == 2) {
1783                         /* only one parameter. Do something intelligent about it */
1784                         if (strstr(argv[i], "@") && !strstr(argv[i], "://")) {
1785                                 const gchar *p = argv[i];
1786
1787                                 cmd.compose = TRUE;
1788                                 cmd.compose_mailto = NULL;
1789                                 if (p && *p != '\0' && *p != '-') {
1790                                         if (!strncmp(p, "mailto:", 7)) {
1791                                                 cmd.compose_mailto = p + 7;
1792                                         } else {
1793                                                 cmd.compose_mailto = p;
1794                                         }
1795                                 }
1796                         } else if (!strncmp(argv[i], "file://", 7)) {
1797                                 cmd.target = argv[i];
1798                         } else if (!strncmp(argv[i], "?attach=file://", strlen("?attach=file://"))) {
1799                                 cmd.compose = TRUE;
1800                                 cmd.compose_mailto = argv[i];
1801                         } else if (strstr(argv[i], "://")) {
1802                                 const gchar *p = argv[i];
1803                                 if (p && *p != '\0' && *p != '-') {
1804                                         cmd.subscribe = TRUE;
1805                                         cmd.subscribe_uri = p;
1806                                 }
1807                         } else if (!strcmp(argv[i], "--sync")) {
1808                                 /* gtk debug */
1809                         } else if (is_dir_exist(argv[i]) || is_file_exist(argv[i])) {
1810                                 cmd.target = argv[i];
1811                         } else {
1812                                 g_print(_("Unknown option\n"));
1813                                 exit(1);
1814                         }
1815                 }
1816         }
1817
1818         if (cmd.attach_files && cmd.compose == FALSE) {
1819                 cmd.compose = TRUE;
1820                 cmd.compose_mailto = NULL;
1821         }
1822 }
1823
1824 static void initial_processing(FolderItem *item, gpointer data)
1825 {
1826         MainWindow *mainwin = (MainWindow *)data;
1827         gchar *buf;
1828
1829         g_return_if_fail(item);
1830         buf = g_strdup_printf(_("Processing (%s)..."),
1831                               item->path
1832                               ? item->path
1833                               : _("top level folder"));
1834         g_free(buf);
1835
1836
1837         if (item->prefs->enable_processing) {
1838                 item->processing_pending = TRUE;
1839                 folder_item_apply_processing(item);
1840                 item->processing_pending = FALSE;
1841         }
1842
1843         STATUSBAR_POP(mainwin);
1844 }
1845
1846 static gboolean draft_all_messages(void)
1847 {
1848         GList *compose_list = NULL;
1849
1850         compose_clear_exit_drafts();
1851         compose_list = compose_get_compose_list();
1852         while (compose_list != NULL) {
1853                 Compose *c = (Compose*)compose_list->data;
1854                 if (!compose_draft(c, COMPOSE_DRAFT_FOR_EXIT))
1855                         return FALSE;
1856                 compose_list = compose_get_compose_list();
1857         }
1858         return TRUE;
1859 }
1860 gboolean clean_quit(gpointer data)
1861 {
1862         static gboolean firstrun = TRUE;
1863
1864         if (!firstrun) {
1865                 return FALSE;
1866         }
1867         firstrun = FALSE;
1868
1869         /*!< Good idea to have the main window stored in a
1870          *   static variable so we can check that variable
1871          *   to see if we're really allowed to do things
1872          *   that actually the spawner is supposed to
1873          *   do (like: sending mail, composing messages).
1874          *   Because, really, if we're the spawnee, and
1875          *   we touch GTK stuff, we're hosed. See the
1876          *   next fixme. */
1877
1878         /* FIXME: Use something else to signal that we're
1879          * in the original spawner, and not in a spawned
1880          * child. */
1881         if (!static_mainwindow) {
1882                 return FALSE;
1883         }
1884
1885         draft_all_messages();
1886         emergency_exit = TRUE;
1887         exit_claws(static_mainwindow);
1888         exit(0);
1889
1890         return FALSE;
1891 }
1892
1893 void app_will_exit(GtkWidget *widget, gpointer data)
1894 {
1895         MainWindow *mainwin = data;
1896
1897         if (sc_exiting == TRUE) {
1898                 debug_print("exit pending\n");
1899                 return;
1900         }
1901         sc_exiting = TRUE;
1902         debug_print("exiting\n");
1903         if (compose_get_compose_list()) {
1904                 if (!draft_all_messages()) {
1905                         main_window_popup(mainwin);
1906                         sc_exiting = FALSE;
1907                         return;
1908                 }
1909         }
1910
1911         if (prefs_common.warn_queued_on_exit && procmsg_have_queued_mails_fast()) {
1912                 if (alertpanel(_("Queued messages"),
1913                                _("Some unsent messages are queued. Exit now?"),
1914                                GTK_STOCK_CANCEL, GTK_STOCK_OK, NULL)
1915                     != G_ALERTALTERNATE) {
1916                         main_window_popup(mainwin);
1917                         sc_exiting = FALSE;
1918                         return;
1919                 }
1920                 manage_window_focus_in(mainwin->window, NULL, NULL);
1921         }
1922
1923         sock_cleanup();
1924 #ifdef HAVE_VALGRIND
1925         if (RUNNING_ON_VALGRIND) {
1926                 summary_clear_list(mainwin->summaryview);
1927         }
1928 #endif
1929         if (folderview_get_selected_item(mainwin->folderview))
1930                 folder_item_close(folderview_get_selected_item(mainwin->folderview));
1931         gtk_main_quit();
1932 }
1933
1934 gboolean claws_is_exiting(void)
1935 {
1936         return sc_exiting;
1937 }
1938
1939 gboolean claws_is_starting(void)
1940 {
1941         return sc_starting;
1942 }
1943
1944 /*
1945  * CLAWS: want this public so crash dialog can delete the
1946  * lock file too
1947  */
1948 gchar *claws_get_socket_name(void)
1949 {
1950         static gchar *filename = NULL;
1951         const gchar *socket_dir = NULL;
1952
1953         if (rc_dir_is_alt())
1954                 socket_dir = get_rc_dir();
1955         else
1956                 socket_dir = g_get_tmp_dir();
1957         if (filename == NULL) {
1958                 filename = g_strdup_printf("%s%cclaws-mail-%d",
1959                                            socket_dir, G_DIR_SEPARATOR,
1960 #if HAVE_GETUID
1961                                            getuid());
1962 #else
1963                                            0);
1964 #endif
1965         }
1966
1967         return filename;
1968 }
1969
1970 static gchar *get_crashfile_name(void)
1971 {
1972         static gchar *filename = NULL;
1973
1974         if (filename == NULL) {
1975                 filename = g_strdup_printf("%s%cclaws-crashed",
1976                                            get_tmp_dir(), G_DIR_SEPARATOR);
1977         }
1978
1979         return filename;
1980 }
1981
1982 static gint prohibit_duplicate_launch(void)
1983 {
1984         gint uxsock;
1985         gchar *path;
1986
1987         path = claws_get_socket_name();
1988         uxsock = fd_connect_unix(path);
1989
1990         if (x_display == NULL)
1991                 x_display = g_strdup(g_getenv("DISPLAY"));
1992
1993         if (uxsock < 0) {
1994                 claws_unlink(path);
1995                 return fd_open_unix(path);
1996         }
1997
1998         /* remote command mode */
1999
2000         debug_print("another Claws Mail instance is already running.\n");
2001
2002         if (cmd.receive_all) {
2003                 fd_write_all(uxsock, "receive_all\n", 12);
2004         } else if (cmd.receive) {
2005                 fd_write_all(uxsock, "receive\n", 8);
2006         } else if (cmd.compose && cmd.attach_files) {
2007                 gchar *str, *compose_str;
2008                 gint i;
2009
2010                 if (cmd.compose_mailto) {
2011                         compose_str = g_strdup_printf("compose_attach %s\n",
2012                                                       cmd.compose_mailto);
2013                 } else {
2014                         compose_str = g_strdup("compose_attach\n");
2015                 }
2016
2017                 fd_write_all(uxsock, compose_str, strlen(compose_str));
2018                 g_free(compose_str);
2019
2020                 for (i = 0; i < cmd.attach_files->len; i++) {
2021                         str = g_ptr_array_index(cmd.attach_files, i);
2022                         fd_write_all(uxsock, str, strlen(str));
2023                         fd_write_all(uxsock, "\n", 1);
2024                 }
2025
2026                 fd_write_all(uxsock, ".\n", 2);
2027         } else if (cmd.compose) {
2028                 gchar *compose_str;
2029
2030                 if (cmd.compose_mailto) {
2031                         compose_str = g_strdup_printf
2032                                 ("compose %s\n", cmd.compose_mailto);
2033                 } else {
2034                         compose_str = g_strdup("compose\n");
2035                 }
2036
2037                 fd_write_all(uxsock, compose_str, strlen(compose_str));
2038                 g_free(compose_str);
2039         } else if (cmd.subscribe) {
2040                 gchar *str = g_strdup_printf("subscribe %s\n", cmd.subscribe_uri);
2041                 fd_write_all(uxsock, str, strlen(str));
2042                 g_free(str);
2043         } else if (cmd.send) {
2044                 fd_write_all(uxsock, "send\n", 5);
2045         } else if (cmd.online_mode == ONLINE_MODE_ONLINE) {
2046                 fd_write(uxsock, "online\n", 6);
2047         } else if (cmd.online_mode == ONLINE_MODE_OFFLINE) {
2048                 fd_write(uxsock, "offline\n", 7);
2049         } else if (cmd.status || cmd.status_full) {
2050                 gchar buf[BUFFSIZE];
2051                 gint i;
2052                 const gchar *command;
2053                 GPtrArray *folders;
2054                 gchar *folder;
2055
2056                 command = cmd.status_full ? "status-full\n" : "status\n";
2057                 folders = cmd.status_full ? cmd.status_full_folders :
2058                         cmd.status_folders;
2059
2060                 fd_write_all(uxsock, command, strlen(command));
2061                 for (i = 0; folders && i < folders->len; ++i) {
2062                         folder = g_ptr_array_index(folders, i);
2063                         fd_write_all(uxsock, folder, strlen(folder));
2064                         fd_write_all(uxsock, "\n", 1);
2065                 }
2066                 fd_write_all(uxsock, ".\n", 2);
2067                 for (;;) {
2068                         fd_gets(uxsock, buf, sizeof(buf));
2069                         if (!strncmp(buf, ".\n", 2)) break;
2070                         fputs(buf, stdout);
2071                 }
2072         } else if (cmd.exit) {
2073                 fd_write_all(uxsock, "exit\n", 5);
2074         } else if (cmd.target) {
2075                 gchar *str = g_strdup_printf("select %s\n", cmd.target);
2076                 fd_write_all(uxsock, str, strlen(str));
2077                 g_free(str);
2078         } else {
2079                 gchar buf[BUFSIZ];
2080                 fd_write_all(uxsock, "get_display\n", 12);
2081                 memset(buf, 0, sizeof(buf));
2082                 fd_gets(uxsock, buf, sizeof(buf));
2083                 if (strcmp2(buf, x_display)) {
2084                         g_print("Claws Mail is already running on display %s.\n",
2085                                 buf);
2086                 } else {
2087                         fd_close(uxsock);
2088                         uxsock = fd_connect_unix(path);
2089                         fd_write_all(uxsock, "popup\n", 6);
2090                 }
2091         }
2092
2093         fd_close(uxsock);
2094         return -1;
2095 }
2096
2097 static gint lock_socket_remove(void)
2098 {
2099 #ifdef G_OS_UNIX
2100         gchar *filename;
2101
2102         if (lock_socket < 0) {
2103                 return -1;
2104         }
2105
2106         if (lock_socket_tag > 0) {
2107                 gdk_input_remove(lock_socket_tag);
2108         }
2109         fd_close(lock_socket);
2110         filename = claws_get_socket_name();
2111         claws_unlink(filename);
2112 #endif
2113
2114         return 0;
2115 }
2116
2117 static GPtrArray *get_folder_item_list(gint sock)
2118 {
2119         gchar buf[BUFFSIZE];
2120         FolderItem *item;
2121         GPtrArray *folders = NULL;
2122
2123         for (;;) {
2124                 fd_gets(sock, buf, sizeof(buf));
2125                 if (!strncmp(buf, ".\n", 2)) {
2126                         break;
2127                 }
2128                 strretchomp(buf);
2129                 if (!folders) {
2130                         folders = g_ptr_array_new();
2131                 }
2132                 item = folder_find_item_from_identifier(buf);
2133                 if (item) {
2134                         g_ptr_array_add(folders, item);
2135                 } else {
2136                         g_warning("no such folder: %s\n", buf);
2137                 }
2138         }
2139
2140         return folders;
2141 }
2142
2143 static void lock_socket_input_cb(gpointer data,
2144                                  gint source,
2145                                  GdkInputCondition condition)
2146 {
2147         MainWindow *mainwin = (MainWindow *)data;
2148         gint sock;
2149         gchar buf[BUFFSIZE];
2150
2151         sock = fd_accept(source);
2152         fd_gets(sock, buf, sizeof(buf));
2153
2154         if (!strncmp(buf, "popup", 5)) {
2155                 main_window_popup(mainwin);
2156         } else if (!strncmp(buf, "get_display", 11)) {
2157                 fd_write_all(sock, x_display, strlen(x_display));
2158         } else if (!strncmp(buf, "receive_all", 11)) {
2159                 inc_all_account_mail(mainwin, FALSE,
2160                                      prefs_common.newmail_notify_manu);
2161         } else if (!strncmp(buf, "receive", 7)) {
2162                 inc_mail(mainwin, prefs_common.newmail_notify_manu);
2163         } else if (!strncmp(buf, "compose_attach", 14)) {
2164                 GPtrArray *files;
2165                 gchar *mailto;
2166
2167                 mailto = g_strdup(buf + strlen("compose_attach") + 1);
2168                 files = g_ptr_array_new();
2169                 while (fd_gets(sock, buf, sizeof(buf)) > 0) {
2170                         if (buf[0] == '.' && buf[1] == '\n') {
2171                                 break;
2172                         }
2173                         strretchomp(buf);
2174                         g_ptr_array_add(files, g_strdup(buf));
2175                 }
2176                 open_compose_new(mailto, files);
2177                 ptr_array_free_strings(files);
2178                 g_ptr_array_free(files, TRUE);
2179                 g_free(mailto);
2180         } else if (!strncmp(buf, "compose", 7)) {
2181                 open_compose_new(buf + strlen("compose") + 1, NULL);
2182         } else if (!strncmp(buf, "subscribe", 9)) {
2183                 main_window_popup(mainwin);
2184                 folder_subscribe(buf + strlen("subscribe") + 1);
2185         } else if (!strncmp(buf, "send", 4)) {
2186                 send_queue();
2187         } else if (!strncmp(buf, "online", 6)) {
2188                 main_window_toggle_work_offline(mainwin, FALSE, FALSE);
2189         } else if (!strncmp(buf, "offline", 7)) {
2190                 main_window_toggle_work_offline(mainwin, TRUE, FALSE);
2191         } else if (!strncmp(buf, "status-full", 11) ||
2192                    !strncmp(buf, "status", 6)) {
2193                 gchar *status;
2194                 GPtrArray *folders;
2195
2196                 folders = get_folder_item_list(sock);
2197                 status = folder_get_status
2198                         (folders, !strncmp(buf, "status-full", 11));
2199                 fd_write_all(sock, status, strlen(status));
2200                 fd_write_all(sock, ".\n", 2);
2201                 g_free(status);
2202                 if (folders) g_ptr_array_free(folders, TRUE);
2203         } else if (!strncmp(buf, "select ", 7)) {
2204                 const gchar *target = buf+7;
2205                 mainwindow_jump_to(target, TRUE);
2206         } else if (!strncmp(buf, "exit", 4)) {
2207                 app_will_exit(NULL, mainwin);
2208         }
2209
2210         fd_close(sock);
2211 }
2212
2213 static void open_compose_new(const gchar *address, GPtrArray *attach_files)
2214 {
2215         gchar *addr = NULL;
2216
2217         if (address) {
2218                 Xstrdup_a(addr, address, return);
2219                 g_strstrip(addr);
2220         }
2221
2222         compose_new(NULL, addr, attach_files);
2223 }
2224
2225 static void send_queue(void)
2226 {
2227         GList *list;
2228         gchar *errstr = NULL;
2229         gboolean error = FALSE;
2230         for (list = folder_get_list(); list != NULL; list = list->next) {
2231                 Folder *folder = list->data;
2232
2233                 if (folder->queue) {
2234                         gint res = procmsg_send_queue
2235                                 (folder->queue, prefs_common.savemsg,
2236                                 &errstr);
2237
2238                         if (res) {
2239                                 folder_item_scan(folder->queue);
2240                         }
2241
2242                         if (res < 0)
2243                                 error = TRUE;
2244                 }
2245         }
2246         if (errstr) {
2247                 alertpanel_error_log(_("Some errors occurred "
2248                                 "while sending queued messages:\n%s"), errstr);
2249                 g_free(errstr);
2250         } else if (error) {
2251                 alertpanel_error_log("Some errors occurred "
2252                                 "while sending queued messages.");
2253         }
2254 }
2255
2256 static void quit_signal_handler(int sig)
2257 {
2258         debug_print("Quitting on signal %d\n", sig);
2259
2260         g_timeout_add(0, clean_quit, NULL);
2261 }
2262
2263 static void install_basic_sighandlers()
2264 {
2265 #ifndef G_OS_WIN32
2266         sigset_t    mask;
2267         struct sigaction act;
2268
2269         sigemptyset(&mask);
2270
2271 #ifdef SIGTERM
2272         sigaddset(&mask, SIGTERM);
2273 #endif
2274 #ifdef SIGINT
2275         sigaddset(&mask, SIGINT);
2276 #endif
2277 #ifdef SIGHUP
2278         sigaddset(&mask, SIGHUP);
2279 #endif
2280
2281         act.sa_handler = quit_signal_handler;
2282         act.sa_mask    = mask;
2283         act.sa_flags   = 0;
2284
2285 #ifdef SIGTERM
2286         sigaction(SIGTERM, &act, 0);
2287 #endif
2288 #ifdef SIGINT
2289         sigaction(SIGINT, &act, 0);
2290 #endif
2291 #ifdef SIGHUP
2292         sigaction(SIGHUP, &act, 0);
2293 #endif
2294
2295         sigprocmask(SIG_UNBLOCK, &mask, 0);
2296 #endif /* !G_OS_WIN32 */
2297 }
2298
2299 #if (defined linux && defined SIGIO)
2300 static int mem_notify_fd = 0;
2301
2302 static gboolean clean_caches(gpointer unused)
2303 {
2304         if (static_mainwindow && static_mainwindow->lock_count > 0)
2305                 return TRUE;
2306         debug_print("/dev/mem_notify: callback: Freeing some memory now!\n");
2307         folder_clean_cache_memory_force();
2308         return FALSE;
2309 }
2310
2311 static void memory_signal_handler(int sig)
2312 {
2313         debug_print("/dev/mem_notify: Kernel says we should free up some memory!\n");
2314         g_timeout_add(10, clean_caches, NULL);
2315 }
2316
2317 static void install_memory_sighandler()
2318 {
2319         sigset_t    mask;
2320         struct sigaction act;
2321         int flags;
2322
2323         mem_notify_fd = open("/dev/mem_notify", O_RDONLY|O_NONBLOCK);
2324         if (mem_notify_fd == -1) {
2325                 debug_print("/dev/mem_notify not available (%s)\n",
2326                         strerror(errno));
2327                 return;
2328         }
2329
2330         fcntl(mem_notify_fd, F_SETOWN, getpid());
2331         flags = fcntl(mem_notify_fd, F_GETFL);
2332         fcntl(mem_notify_fd, flags|FASYNC);
2333
2334         sigemptyset(&mask);
2335
2336         sigaddset(&mask, SIGIO);
2337
2338         act.sa_handler = memory_signal_handler;
2339         act.sa_mask    = mask;
2340         act.sa_flags   = 0;
2341
2342         sigaction(SIGIO, &act, 0);
2343
2344         sigprocmask(SIG_UNBLOCK, &mask, 0);
2345
2346         debug_print("/dev/mem_notify: installed handler\n");
2347 }
2348 #endif /* linux && SIGIO */
2349
2350 #ifdef MAEMO
2351 osso_context_t *get_osso_context(void)
2352 {
2353         return static_osso_context;
2354 }
2355 #endif
2356
2357
2358 #ifdef HAVE_NETWORKMANAGER_SUPPORT
2359 static void networkmanager_state_change_cb(DBusGProxy *proxy, gchar *dev,
2360                                          gpointer data)
2361 {
2362         MainWindow *mainWin;
2363
2364         mainWin = NULL;
2365         if (static_mainwindow)
2366                 mainWin = static_mainwindow;
2367         else if (data)
2368                 mainWin = (MainWindow*)data;
2369
2370         if (!prefs_common.use_networkmanager)
2371                 return;
2372
2373         if (mainWin) {
2374                 GError *error;
2375                 gboolean online;
2376
2377                 error = NULL;
2378                 online = networkmanager_is_online(&error);
2379                 if(!error) {
2380                         if(online && went_offline_nm) {
2381                                 went_offline_nm = FALSE;
2382                                 main_window_toggle_work_offline(mainWin, FALSE, FALSE);
2383                                 debug_print("NetworkManager: Went online\n");
2384                                 log_message(LOG_PROTOCOL, _("NetworkManager: network is online.\n"));
2385                         }
2386                         else if(!online) {
2387                                 went_offline_nm = TRUE;
2388                                 main_window_toggle_work_offline(mainWin, TRUE, FALSE);
2389                                 debug_print("NetworkManager: Went offline\n");
2390                                 log_message(LOG_PROTOCOL, _("NetworkManager: network is offline.\n"));
2391                         }
2392                 }
2393                 else {
2394                         debug_print("Failed to get online information from NetworkManager: %s\n",
2395                                                          error->message);
2396                         g_error_free(error);
2397                 }
2398         }
2399         else
2400                 debug_print("NetworkManager: Cannot change connection state because "
2401                                                  "main window does not exist\n");
2402 }
2403
2404 /* Returns true (and sets error appropriately, if given) in case of error */
2405 gboolean networkmanager_is_online(GError **error)
2406 {
2407         DBusGConnection *connection;
2408         DBusGProxy *proxy;
2409         GError *tmp_error;
2410         gboolean retVal;
2411         guint32 state;
2412
2413         if (!prefs_common.use_networkmanager)
2414                 return TRUE;
2415
2416         tmp_error = NULL;
2417         proxy = NULL;
2418         connection = dbus_g_bus_get(DBUS_BUS_SYSTEM, &tmp_error);
2419
2420         if(!connection) {
2421                 /* If calling code doesn't do error checking, at least print some debug */
2422                 if((error == NULL) || (*error == NULL))
2423                         debug_print("Failed to open connection to system bus: %s\n",
2424                                                          tmp_error->message);
2425                 g_propagate_error(error, tmp_error);
2426                 return TRUE;
2427         }
2428
2429         proxy = dbus_g_proxy_new_for_name(connection,
2430                         "org.freedesktop.NetworkManager",
2431                         "/org/freedesktop/NetworkManager",
2432                         "org.freedesktop.NetworkManager");
2433
2434         retVal = dbus_g_proxy_call(proxy,"state",&tmp_error, G_TYPE_INVALID,
2435                         G_TYPE_UINT, &state, G_TYPE_INVALID);
2436
2437         if(proxy)
2438                 g_object_unref(proxy);
2439         if(connection)
2440                 dbus_g_connection_unref(connection);
2441
2442         if(!retVal) {
2443                 /* If calling code doesn't do error checking, at least print some debug */
2444                 if((error == NULL) || (*error == NULL))
2445                         debug_print("Failed to get state info from NetworkManager: %s\n",
2446                                                          tmp_error->message);
2447                 g_propagate_error(error, tmp_error);
2448                 return TRUE;
2449         }
2450
2451         return (state == NM_STATE_CONNECTED || state == NM_STATE_UNKNOWN);
2452 }
2453 #endif