src/inc.c

   1 /*
   2  * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
   3  * Copyright (C) 1999-2004 Hiroyuki Yamamoto
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; either version 2 of the License, or
   8  * (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License
  16  * along with this program; if not, write to the Free Software
  17  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  18  */
  19
  20 #ifdef HAVE_CONFIG_H
  21 #  include "config.h"
  22 #endif
  23
  24 #include "defs.h"
  25
  26 #include <glib.h>
  27 #include <gtk/gtkmain.h>
  28 #include <gtk/gtkwindow.h>
  29 #include <gtk/gtksignal.h>
  30 #include <gtk/gtkprogressbar.h>
  31 #include <stdio.h>
  32 #include <unistd.h>
  33 #include <string.h>
  34 #include <time.h>
  35 #include <sys/time.h>
  36 #include <sys/types.h>
  37 #include <sys/stat.h>
  38 #include <sys/wait.h>
  39 #include <signal.h>
  40 #include <errno.h>
  41
  42 #include "intl.h"
  43 #include "main.h"
  44 #include "inc.h"
  45 #include "mainwindow.h"
  46 #include "folderview.h"
  47 #include "summaryview.h"
  48 #include "prefs_common.h"
  49 #include "prefs_account.h"
  50 #include "account.h"
  51 #include "procmsg.h"
  52 #include "socket.h"
  53 #include "ssl.h"
  54 #include "pop.h"
  55 #include "recv.h"
  56 #include "mbox.h"
  57 #include "utils.h"
  58 #include "gtkutils.h"
  59 #include "statusbar.h"
  60 #include "manage_window.h"
  61 #include "stock_pixmap.h"
  62 #include "progressdialog.h"
  63 #include "inputdialog.h"
  64 #include "alertpanel.h"
  65 #include "folder.h"
  66 #include "filtering.h"
  67 #include "log.h"
  68 #include "hooks.h"
  69
  70 static GList *inc_dialog_list = NULL;
  71
  72 static guint inc_lock_count = 0;
  73
  74 static GdkPixbuf *currentpix;
  75 static GdkPixbuf *errorpix;
  76 static GdkPixbuf *okpix;
  77
  78 #define MSGBUFSIZE      8192
  79
  80 static void inc_finished                (MainWindow             *mainwin,
  81                                          gboolean                new_messages);
  82 static gint inc_account_mail_real       (MainWindow             *mainwin,
  83                                          PrefsAccount           *account);
  84
  85 static IncProgressDialog *inc_progress_dialog_create
  86                                         (gboolean                autocheck);
  87 static void inc_progress_dialog_set_list(IncProgressDialog      *inc_dialog);
  88 static void inc_progress_dialog_destroy (IncProgressDialog      *inc_dialog);
  89
  90 static IncSession *inc_session_new      (PrefsAccount           *account);
  91 static void inc_session_destroy         (IncSession             *session);
  92 static gint inc_start                   (IncProgressDialog      *inc_dialog);
  93 static IncState inc_pop3_session_do     (IncSession             *session);
  94
  95 static void inc_progress_dialog_update  (IncProgressDialog      *inc_dialog,
  96                                          IncSession             *inc_session);
  97
  98 static void inc_progress_dialog_set_label
  99                                         (IncProgressDialog      *inc_dialog,
 100                                          IncSession             *inc_session);
 101 static void inc_progress_dialog_set_progress
 102                                         (IncProgressDialog      *inc_dialog,
 103                                          IncSession             *inc_session);
 104
 105 static void inc_progress_dialog_update_periodic
 106                                         (IncProgressDialog      *inc_dialog,
 107                                          IncSession             *inc_session);
 108
 109 static gint inc_recv_data_progressive   (Session        *session,
 110                                          guint           cur_len,
 111                                          guint           total_len,
 112                                          gpointer        data);
 113 static gint inc_recv_data_finished      (Session        *session,
 114                                          guint           len,
 115                                          gpointer        data);
 116 static gint inc_recv_message            (Session        *session,
 117                                          const gchar    *msg,
 118                                          gpointer        data);
 119 static gint inc_drop_message            (Pop3Session    *session,
 120                                          const gchar    *file);
 121
 122 static void inc_put_error               (IncState        istate,
 123                                          Pop3Session    *session);
 124
 125 static void inc_cancel_cb               (GtkWidget      *widget,
 126                                          gpointer        data);
 127 static gint inc_dialog_delete_cb        (GtkWidget      *widget,
 128                                          GdkEventAny    *event,
 129                                          gpointer        data);
 130
 131 static gint get_spool                   (FolderItem     *dest,
 132                                          const gchar    *mbox);
 133
 134 static gint inc_spool_account(PrefsAccount *account);
 135 static gint inc_all_spool(void);
 136 static void inc_autocheck_timer_set_interval    (guint           interval);
 137 static gint inc_autocheck_func                  (gpointer        data);
 138
 139 static void inc_notify_cmd              (gint new_msgs,
 140                                          gboolean notify);
 141
 142 /**
 143  * inc_finished:
 144  * @mainwin: Main window.
 145  * @new_messages: TRUE if some messages have been received.
 146  *
 147  * Update the folder view and the summary view after receiving
 148  * messages.  If @new_messages is FALSE, this function avoids unneeded
 149  * updating.
 150  **/
 151 static void inc_finished(MainWindow *mainwin, gboolean new_messages)
 152 {
 153         FolderItem *item;
 154
 155         if (prefs_common.scan_all_after_inc)
 156                 folderview_check_new(NULL);
 157
 158         if (!new_messages && !prefs_common.scan_all_after_inc) return;
 159
 160         if (prefs_common.open_inbox_on_inc) {
 161                 item = cur_account && cur_account->inbox
 162                         ? folder_find_item_from_identifier(cur_account->inbox)
 163                         : folder_get_default_inbox();
 164                 folderview_unselect(mainwin->folderview);
 165                 folderview_select(mainwin->folderview, item);
 166         }
 167 }
 168
 169 void inc_mail(MainWindow *mainwin, gboolean notify)
 170 {
 171         gint new_msgs = 0;
 172         gint account_new_msgs = 0;
 173
 174         if (inc_lock_count) return;
 175
 176         if (prefs_common.work_offline)
 177                 if (alertpanel(_("Offline warning"),
 178                                _("You're working offline. Override?"),
 179                                _("Yes"), _("No"), NULL) != G_ALERTDEFAULT)
 180                 return;
 181
 182         inc_lock();
 183         inc_autocheck_timer_remove();
 184         main_window_lock(mainwin);
 185
 186         if (prefs_common.use_extinc && prefs_common.extinc_cmd) {
 187                 /* external incorporating program */
 188                 if (execute_command_line(prefs_common.extinc_cmd, FALSE) < 0) {
 189                         main_window_unlock(mainwin);
 190                         inc_autocheck_timer_set();
 191                         return;
 192                 }
 193         } else {
 194                 account_new_msgs = inc_account_mail_real(mainwin, cur_account);
 195                 if (account_new_msgs > 0)
 196                         new_msgs += account_new_msgs;
 197         }
 198
 199         inc_finished(mainwin, new_msgs > 0);
 200         main_window_unlock(mainwin);
 201         inc_notify_cmd(new_msgs, notify);
 202         inc_autocheck_timer_set();
 203         inc_unlock();
 204 }
 205
 206 void inc_pop_before_smtp(PrefsAccount *acc)
 207 {
 208         IncProgressDialog *inc_dialog;
 209         IncSession *session;
 210         MainWindow *mainwin;
 211
 212         mainwin = mainwindow_get_mainwindow();
 213
 214         session = inc_session_new(acc);
 215         if (!session) return;
 216         POP3_SESSION(session->session)->pop_before_smtp = TRUE;
 217
 218         inc_dialog = inc_progress_dialog_create(FALSE);
 219         inc_dialog->queue_list = g_list_append(inc_dialog->queue_list,
 220                                                session);
 221         /* FIXME: assumes to attach to first main window */
 222         inc_dialog->mainwin = mainwin;
 223         inc_progress_dialog_set_list(inc_dialog);
 224
 225         if (mainwin) {
 226                 toolbar_main_set_sensitive(mainwin);
 227                 main_window_set_menu_sensitive(mainwin);
 228         }
 229
 230         inc_start(inc_dialog);
 231 }
 232
 233 static gint inc_account_mail_real(MainWindow *mainwin, PrefsAccount *account)
 234 {
 235         IncProgressDialog *inc_dialog;
 236         IncSession *session;
 237
 238         switch (account->protocol) {
 239         case A_IMAP4:
 240         case A_NNTP:
 241                 /* Melvin: bug [14]
 242                  * FIXME: it should return foldeview_check_new() value.
 243                  * TODO: do it when bug [19] is fixed (IMAP folder sets
 244                  * an incorrect new message count)
 245                  */
 246                 folderview_check_new(FOLDER(account->folder));
 247                 return 0;
 248         case A_POP3:
 249         case A_APOP:
 250                 session = inc_session_new(account);
 251                 if (!session) return 0;
 252
 253                 inc_dialog = inc_progress_dialog_create(FALSE);
 254                 inc_dialog->queue_list = g_list_append(inc_dialog->queue_list,
 255                                                        session);
 256                 inc_dialog->mainwin = mainwin;
 257                 inc_progress_dialog_set_list(inc_dialog);
 258
 259                 if (mainwin) {
 260                         toolbar_main_set_sensitive(mainwin);
 261                         main_window_set_menu_sensitive(mainwin);
 262                 }
 263
 264                 return inc_start(inc_dialog);
 265
 266         case A_LOCAL:
 267                 return inc_spool_account(account);
 268
 269         default:
 270                 break;
 271         }
 272         return 0;
 273 }
 274
 275 gint inc_account_mail(MainWindow *mainwin, PrefsAccount *account)
 276 {
 277         gint new_msgs;
 278
 279         if (inc_lock_count) return 0;
 280
 281         if (prefs_common.work_offline)
 282                 if (alertpanel(_("Offline warning"),
 283                                _("You're working offline. Override?"),
 284                                _("Yes"), _("No"), NULL) != G_ALERTDEFAULT)
 285                         return 0;
 286
 287         inc_autocheck_timer_remove();
 288         main_window_lock(mainwin);
 289
 290         new_msgs = inc_account_mail_real(mainwin, account);
 291
 292         inc_finished(mainwin, new_msgs > 0);
 293         main_window_unlock(mainwin);
 294         inc_autocheck_timer_set();
 295
 296         return new_msgs;
 297 }
 298
 299 void inc_all_account_mail(MainWindow *mainwin, gboolean autocheck,
 300                           gboolean notify)
 301 {
 302         GList *list, *queue_list = NULL;
 303         IncProgressDialog *inc_dialog;
 304         gint new_msgs = 0;
 305         gint account_new_msgs = 0;
 306
 307         if (prefs_common.work_offline)
 308                 if (alertpanel(_("Offline warning"),
 309                                _("You're working offline. Override?"),
 310                                _("Yes"), _("No"), NULL) != G_ALERTDEFAULT)
 311                 return;
 312
 313         if (inc_lock_count) return;
 314
 315         inc_autocheck_timer_remove();
 316         main_window_lock(mainwin);
 317
 318         list = account_get_list();
 319         if (!list) {
 320                 inc_finished(mainwin, new_msgs > 0);
 321                 main_window_unlock(mainwin);
 322                 inc_notify_cmd(new_msgs, notify);
 323                 inc_autocheck_timer_set();
 324                 return;
 325         }
 326
 327         /* check local folders */
 328         account_new_msgs = inc_all_spool();
 329         if (account_new_msgs > 0)
 330                 new_msgs += account_new_msgs;
 331
 332         /* check IMAP4 / News folders */
 333         for (list = account_get_list(); list != NULL; list = list->next) {
 334                 PrefsAccount *account = list->data;
 335                 if ((account->protocol == A_IMAP4 ||
 336                      account->protocol == A_NNTP) && account->recv_at_getall) {
 337                         new_msgs += folderview_check_new(FOLDER(account->folder));
 338                 }
 339         }
 340
 341         /* check POP3 accounts */
 342         for (list = account_get_list(); list != NULL; list = list->next) {
 343                 IncSession *session;
 344                 PrefsAccount *account = list->data;
 345
 346                 if (account->recv_at_getall) {
 347                         session = inc_session_new(account);
 348                         if (session)
 349                                 queue_list = g_list_append(queue_list, session);
 350                 }
 351         }
 352
 353         if (queue_list) {
 354                 inc_dialog = inc_progress_dialog_create(autocheck);
 355                 inc_dialog->queue_list = queue_list;
 356                 inc_dialog->mainwin = mainwin;
 357                 inc_progress_dialog_set_list(inc_dialog);
 358
 359                 toolbar_main_set_sensitive(mainwin);
 360                 main_window_set_menu_sensitive(mainwin);
 361                 new_msgs += inc_start(inc_dialog);
 362         }
 363
 364         inc_finished(mainwin, new_msgs > 0);
 365         main_window_unlock(mainwin);
 366         inc_notify_cmd(new_msgs, notify);
 367         inc_autocheck_timer_set();
 368 }
 369
 370 static IncProgressDialog *inc_progress_dialog_create(gboolean autocheck)
 371 {
 372         IncProgressDialog *dialog;
 373         ProgressDialog *progress;
 374
 375         dialog = g_new0(IncProgressDialog, 1);
 376
 377         progress = progress_dialog_create();
 378         gtk_window_set_title(GTK_WINDOW(progress->window),
 379                              _("Retrieving new messages"));
 380         g_signal_connect(G_OBJECT(progress->cancel_btn), "clicked",
 381                          G_CALLBACK(inc_cancel_cb), dialog);
 382         g_signal_connect(G_OBJECT(progress->window), "delete_event",
 383                          G_CALLBACK(inc_dialog_delete_cb), dialog);
 384         /* manage_window_set_transient(GTK_WINDOW(progress->window)); */
 385
 386         progress_dialog_get_fraction(progress);
 387
 388         stock_pixbuf_gdk(progress->list_view, STOCK_PIXMAP_COMPLETE,
 389                          &okpix);
 390         stock_pixbuf_gdk(progress->list_view, STOCK_PIXMAP_CONTINUE,
 391                          &currentpix);
 392         stock_pixbuf_gdk(progress->list_view, STOCK_PIXMAP_ERROR,
 393                          &errorpix);
 394
 395         if (prefs_common.recv_dialog_mode == RECV_DIALOG_ALWAYS ||
 396             (prefs_common.recv_dialog_mode == RECV_DIALOG_MANUAL &&
 397              !autocheck)) {
 398                 dialog->show_dialog = TRUE;
 399                 gtk_widget_show_now(progress->window);
 400         }
 401
 402         dialog->dialog = progress;
 403         gettimeofday(&dialog->progress_tv, NULL);
 404         gettimeofday(&dialog->folder_tv, NULL);
 405         dialog->queue_list = NULL;
 406         dialog->cur_row = 0;
 407
 408         inc_dialog_list = g_list_append(inc_dialog_list, dialog);
 409
 410         return dialog;
 411 }
 412
 413 static void inc_progress_dialog_set_list(IncProgressDialog *inc_dialog)
 414 {
 415         GList *list;
 416
 417         for (list = inc_dialog->queue_list; list != NULL; list = list->next) {
 418                 IncSession *session = list->data;
 419                 Pop3Session *pop3_session = POP3_SESSION(session->session);
 420
 421                 session->data = inc_dialog;
 422
 423                 progress_dialog_list_set(inc_dialog->dialog,
 424                                          -1, NULL,
 425                                          pop3_session->ac_prefs->account_name,
 426                                          _("Standby"));
 427         }
 428 }
 429
 430 static void inc_progress_dialog_clear(IncProgressDialog *inc_dialog)
 431 {
 432         progress_dialog_get_fraction(inc_dialog->dialog);
 433         progress_dialog_set_label(inc_dialog->dialog, "");
 434         if (inc_dialog->mainwin)
 435                 main_window_progress_off(inc_dialog->mainwin);
 436 }
 437
 438 static void inc_progress_dialog_destroy(IncProgressDialog *inc_dialog)
 439 {
 440         g_return_if_fail(inc_dialog != NULL);
 441
 442         inc_dialog_list = g_list_remove(inc_dialog_list, inc_dialog);
 443
 444         if (inc_dialog->mainwin)
 445                 main_window_progress_off(inc_dialog->mainwin);
 446         progress_dialog_destroy(inc_dialog->dialog);
 447
 448         g_free(inc_dialog);
 449 }
 450
 451 static IncSession *inc_session_new(PrefsAccount *account)
 452 {
 453         IncSession *session;
 454
 455         g_return_val_if_fail(account != NULL, NULL);
 456
 457         if (account->protocol != A_POP3)
 458                 return NULL;
 459         if (!account->recv_server || !account->userid)
 460                 return NULL;
 461
 462         session = g_new0(IncSession, 1);
 463
 464         session->session = pop3_session_new(account);
 465         session->session->data = session;
 466         POP3_SESSION(session->session)->drop_message = inc_drop_message;
 467         session_set_recv_message_notify(session->session,
 468                                         inc_recv_message, session);
 469         session_set_recv_data_progressive_notify(session->session,
 470                                                  inc_recv_data_progressive,
 471                                                  session);
 472         session_set_recv_data_notify(session->session,
 473                                      inc_recv_data_finished, session);
 474
 475         return session;
 476 }
 477
 478 static void inc_session_destroy(IncSession *session)
 479 {
 480         g_return_if_fail(session != NULL);
 481
 482         session_destroy(session->session);
 483         g_free(session);
 484 }
 485
 486 static gint inc_start(IncProgressDialog *inc_dialog)
 487 {
 488         IncSession *session;
 489         GList *qlist;
 490         Pop3Session *pop3_session;
 491         IncState inc_state;
 492         gint error_num = 0;
 493         gint new_msgs = 0;
 494         gchar *msg;
 495         gchar *fin_msg;
 496         FolderItem *processing, *inbox;
 497         MsgInfo *msginfo;
 498         GSList *msglist, *msglist_element;
 499
 500         qlist = inc_dialog->queue_list;
 501         while (qlist != NULL) {
 502                 GList *next = qlist->next;
 503
 504                 session = qlist->data;
 505                 pop3_session = POP3_SESSION(session->session);
 506                 pop3_session->user = g_strdup(pop3_session->ac_prefs->userid);
 507                 if (pop3_session->ac_prefs->passwd)
 508                         pop3_session->pass =
 509                                 g_strdup(pop3_session->ac_prefs->passwd);
 510                 else if (pop3_session->ac_prefs->tmp_pass)
 511                         pop3_session->pass =
 512                                 g_strdup(pop3_session->ac_prefs->tmp_pass);
 513                 else {
 514                         gchar *pass;
 515
 516                         if (inc_dialog->show_dialog)
 517                                 manage_window_focus_in
 518                                         (inc_dialog->dialog->window,
 519                                          NULL, NULL);
 520
 521                         pass = input_dialog_query_password
 522                                 (pop3_session->ac_prefs->recv_server,
 523                                  pop3_session->user);
 524
 525                         if (inc_dialog->show_dialog)
 526                                 manage_window_focus_out
 527                                         (inc_dialog->dialog->window,
 528                                          NULL, NULL);
 529
 530                         if (pass) {
 531                                 pop3_session->ac_prefs->tmp_pass =
 532                                         g_strdup(pass);
 533                                 pop3_session->pass = pass;
 534                         }
 535                 }
 536
 537                 qlist = next;
 538         }
 539
 540 #define SET_PIXMAP_AND_TEXT(pix, str)                                      \
 541 {                                                                          \
 542         progress_dialog_list_set(inc_dialog->dialog,                       \
 543                                  inc_dialog->cur_row,                      \
 544                                  pix,                                      \
 545                                  NULL,                                     \
 546                                  str);                                     \
 547 }
 548
 549         for (; inc_dialog->queue_list != NULL; inc_dialog->cur_row++) {
 550                 session = inc_dialog->queue_list->data;
 551                 pop3_session = POP3_SESSION(session->session);
 552
 553                 if (pop3_session->pass == NULL) {
 554                         SET_PIXMAP_AND_TEXT(okpix, _("Cancelled"));
 555                         inc_session_destroy(session);
 556                         inc_dialog->queue_list =
 557                                 g_list_remove(inc_dialog->queue_list, session);
 558                         continue;
 559                 }
 560
 561                 inc_progress_dialog_clear(inc_dialog);
 562                 progress_dialog_list_select_row(inc_dialog->dialog,
 563                                                 inc_dialog->cur_row);
 564
 565                 SET_PIXMAP_AND_TEXT(currentpix, _("Retrieving"));
 566
 567                 /* begin POP3 session */
 568                 inc_state = inc_pop3_session_do(session);
 569
 570                 switch (inc_state) {
 571                 case INC_SUCCESS:
 572                         if (pop3_session->cur_total_num > 0)
 573                                 msg = g_strdup_printf
 574                                         (_("Done (%d message(s) (%s) received)"),
 575                                          pop3_session->cur_total_num,
 576                                          to_human_readable(pop3_session->cur_total_recv_bytes));
 577                         else
 578                                 msg = g_strdup_printf(_("Done (no new messages)"));
 579                         SET_PIXMAP_AND_TEXT(okpix, msg);
 580                         g_free(msg);
 581                         break;
 582                 case INC_CONNECT_ERROR:
 583                         SET_PIXMAP_AND_TEXT(errorpix, _("Connection failed"));
 584                         break;
 585                 case INC_AUTH_FAILED:
 586                         SET_PIXMAP_AND_TEXT(errorpix, _("Auth failed"));
 587                         break;
 588                 case INC_LOCKED:
 589                         SET_PIXMAP_AND_TEXT(errorpix, _("Locked"));
 590                         break;
 591                 case INC_ERROR:
 592                 case INC_NO_SPACE:
 593                 case INC_IO_ERROR:
 594                 case INC_SOCKET_ERROR:
 595                 case INC_EOF:
 596                         SET_PIXMAP_AND_TEXT(errorpix, _("Error"));
 597                         break;
 598                 case INC_TIMEOUT:
 599                         SET_PIXMAP_AND_TEXT(errorpix, _("Timeout"));
 600                         break;
 601                 case INC_CANCEL:
 602                         SET_PIXMAP_AND_TEXT(okpix, _("Cancelled"));
 603                         break;
 604                 default:
 605                         break;
 606                 }
 607
 608                 if (pop3_session->error_val == PS_AUTHFAIL) {
 609                         if(!prefs_common.no_recv_err_panel) {
 610                                 if((prefs_common.recv_dialog_mode == RECV_DIALOG_ALWAYS) ||
 611                                     ((prefs_common.recv_dialog_mode == RECV_DIALOG_MANUAL) && focus_window))
 612                                         manage_window_focus_in(inc_dialog->dialog->window, NULL, NULL);
 613                         }
 614                 }
 615
 616                 /* CLAWS: perform filtering actions on dropped message */
 617                 /* CLAWS: get default inbox (perhaps per account) */
 618                 if (pop3_session->ac_prefs->inbox) {
 619                         /* CLAWS: get destination folder / mailbox */
 620                         inbox = folder_find_item_from_identifier(pop3_session->ac_prefs->inbox);
 621                         if (!inbox)
 622                                 inbox = folder_get_default_inbox();
 623                 } else
 624                         inbox = folder_get_default_inbox();
 625
 626                 /* get list of messages in processing */
 627                 processing = folder_get_default_processing();
 628                 folder_item_scan(processing);
 629                 msglist = folder_item_get_msg_list(processing);
 630
 631                 /* process messages */
 632                 folder_item_update_freeze();
 633                 for(msglist_element = msglist; msglist_element != NULL; msglist_element = msglist_element->next) {
 634                         msginfo = (MsgInfo *) msglist_element->data;
 635                         if (!pop3_session->ac_prefs->filter_on_recv || !procmsg_msginfo_filter(msginfo))
 636                                 folder_item_move_msg(inbox, msginfo);
 637                         procmsg_msginfo_free(msginfo);
 638                 }
 639                 folder_item_update_thaw();
 640                 g_slist_free(msglist);
 641
 642                 statusbar_pop_all();
 643
 644                 new_msgs += pop3_session->cur_total_num;
 645
 646                 if (pop3_session->error_val == PS_AUTHFAIL &&
 647                     pop3_session->ac_prefs->tmp_pass) {
 648                         g_free(pop3_session->ac_prefs->tmp_pass);
 649                         pop3_session->ac_prefs->tmp_pass = NULL;
 650                 }
 651
 652                 pop3_write_uidl_list(pop3_session);
 653
 654                 if (inc_state != INC_SUCCESS && inc_state != INC_CANCEL) {
 655                         error_num++;
 656                         if (inc_dialog->show_dialog)
 657                                 manage_window_focus_in
 658                                         (inc_dialog->dialog->window,
 659                                          NULL, NULL);
 660                         inc_put_error(inc_state, pop3_session);
 661                         if (inc_dialog->show_dialog)
 662                                 manage_window_focus_out
 663                                         (inc_dialog->dialog->window,
 664                                          NULL, NULL);
 665                         if (inc_state == INC_NO_SPACE ||
 666                             inc_state == INC_IO_ERROR)
 667                                 break;
 668                 }
 669
 670                 inc_session_destroy(session);
 671                 inc_dialog->queue_list =
 672                         g_list_remove(inc_dialog->queue_list, session);
 673         }
 674
 675 #undef SET_PIXMAP_AND_TEXT
 676
 677         if (new_msgs > 0)
 678                 fin_msg = g_strdup_printf(_("Finished (%d new message(s))"),
 679                                           new_msgs);
 680         else
 681                 fin_msg = g_strdup_printf(_("Finished (no new messages)"));
 682
 683         progress_dialog_set_label(inc_dialog->dialog, fin_msg);
 684
 685 #if 0
 686         if (error_num && !prefs_common.no_recv_err_panel) {
 687                 if (inc_dialog->show_dialog)
 688                         manage_window_focus_in(inc_dialog->dialog->window,
 689                                                NULL, NULL);
 690                 alertpanel_error_log(_("Some errors occurred while getting mail."));
 691                 if (inc_dialog->show_dialog)
 692                         manage_window_focus_out(inc_dialog->dialog->window,
 693                                                 NULL, NULL);
 694         }
 695 #endif
 696
 697         while (inc_dialog->queue_list != NULL) {
 698                 session = inc_dialog->queue_list->data;
 699                 inc_session_destroy(session);
 700                 inc_dialog->queue_list =
 701                         g_list_remove(inc_dialog->queue_list, session);
 702         }
 703
 704         if (prefs_common.close_recv_dialog || !inc_dialog->show_dialog)
 705                 inc_progress_dialog_destroy(inc_dialog);
 706         else {
 707                 gtk_window_set_title(GTK_WINDOW(inc_dialog->dialog->window),
 708                                      fin_msg);
 709                 gtk_button_set_label(GTK_BUTTON(inc_dialog->dialog->cancel_btn),
 710                                      GTK_STOCK_CLOSE);
 711         }
 712
 713         g_free(fin_msg);
 714
 715         return new_msgs;
 716 }
 717
 718 static IncState inc_pop3_session_do(IncSession *session)
 719 {
 720         Pop3Session *pop3_session = POP3_SESSION(session->session);
 721         IncProgressDialog *inc_dialog = (IncProgressDialog *)session->data;
 722         gchar *server;
 723         gushort port;
 724         gchar *buf;
 725
 726         debug_print("getting new messages of account %s...\n",
 727                     pop3_session->ac_prefs->account_name);
 728
 729         pop3_session->ac_prefs->last_pop_login_time = time(NULL);
 730
 731         buf = g_strdup_printf(_("%s: Retrieving new messages"),
 732                               pop3_session->ac_prefs->recv_server);
 733         gtk_window_set_title(GTK_WINDOW(inc_dialog->dialog->window), buf);
 734         g_free(buf);
 735
 736         server = pop3_session->ac_prefs->recv_server;
 737 #if USE_OPENSSL
 738         port = pop3_session->ac_prefs->set_popport ?
 739                 pop3_session->ac_prefs->popport :
 740                 pop3_session->ac_prefs->ssl_pop == SSL_TUNNEL ? 995 : 110;
 741         SESSION(pop3_session)->ssl_type = pop3_session->ac_prefs->ssl_pop;
 742         if (pop3_session->ac_prefs->ssl_pop != SSL_NONE)
 743                 SESSION(pop3_session)->nonblocking =
 744                         pop3_session->ac_prefs->use_nonblocking_ssl;
 745 #else
 746         port = pop3_session->ac_prefs->set_popport ?
 747                 pop3_session->ac_prefs->popport : 110;
 748 #endif
 749
 750         buf = g_strdup_printf(_("Connecting to POP3 server: %s..."), server);
 751         log_message("%s\n", buf);
 752
 753         progress_dialog_set_label(inc_dialog->dialog, buf);
 754         g_free(buf);
 755
 756         session_set_timeout(SESSION(pop3_session),
 757                             prefs_common.io_timeout_secs * 1000);
 758
 759         if (session_connect(SESSION(pop3_session), server, port) < 0) {
 760                 log_warning(_("Can't connect to POP3 server: %s:%d\n"),
 761                             server, port);
 762                 if(!prefs_common.no_recv_err_panel) {
 763                         if((prefs_common.recv_dialog_mode == RECV_DIALOG_ALWAYS) ||
 764                             ((prefs_common.recv_dialog_mode == RECV_DIALOG_MANUAL) && focus_window)) {
 765                                 manage_window_focus_in(inc_dialog->dialog->window, NULL, NULL);
 766                         }
 767                         alertpanel_error(_("Can't connect to POP3 server: %s:%d"),
 768                                          server, port);
 769                         manage_window_focus_out(inc_dialog->dialog->window, NULL, NULL);
 770                 }
 771                 session->inc_state = INC_CONNECT_ERROR;
 772                 statusbar_pop_all();
 773                 return INC_CONNECT_ERROR;
 774         }
 775
 776         while (session_is_connected(SESSION(pop3_session)) &&
 777                session->inc_state != INC_CANCEL)
 778                 gtk_main_iteration();
 779
 780         if (session->inc_state == INC_SUCCESS) {
 781                 switch (pop3_session->error_val) {
 782                 case PS_SUCCESS:
 783                         switch (SESSION(pop3_session)->state) {
 784                         case SESSION_ERROR:
 785                                 if (pop3_session->state == POP3_READY)
 786                                         session->inc_state = INC_CONNECT_ERROR;
 787                                 else
 788                                         session->inc_state = INC_ERROR;
 789                                 break;
 790                         case SESSION_EOF:
 791                                 session->inc_state = INC_EOF;
 792                                 break;
 793                         case SESSION_TIMEOUT:
 794                                 session->inc_state = INC_TIMEOUT;
 795                                 break;
 796                         default:
 797                                 session->inc_state = INC_SUCCESS;
 798                                 break;
 799                         }
 800                         break;
 801                 case PS_AUTHFAIL:
 802                         session->inc_state = INC_AUTH_FAILED;
 803                         break;
 804                 case PS_IOERR:
 805                         session->inc_state = INC_IO_ERROR;
 806                         break;
 807                 case PS_SOCKET:
 808                         session->inc_state = INC_SOCKET_ERROR;
 809                         break;
 810                 case PS_LOCKBUSY:
 811                         session->inc_state = INC_LOCKED;
 812                         break;
 813                 default:
 814                         session->inc_state = INC_ERROR;
 815                         break;
 816                 }
 817         }
 818
 819         session_disconnect(SESSION(pop3_session));
 820         statusbar_pop_all();
 821
 822         return session->inc_state;
 823 }
 824
 825 static void inc_progress_dialog_update(IncProgressDialog *inc_dialog,
 826                                        IncSession *inc_session)
 827 {
 828         inc_progress_dialog_set_label(inc_dialog, inc_session);
 829         inc_progress_dialog_set_progress(inc_dialog, inc_session);
 830 }
 831
 832 static void inc_progress_dialog_set_label(IncProgressDialog *inc_dialog,
 833                                           IncSession *inc_session)
 834 {
 835         ProgressDialog *dialog = inc_dialog->dialog;
 836         Pop3Session *session;
 837
 838         g_return_if_fail(inc_session != NULL);
 839
 840         session = POP3_SESSION(inc_session->session);
 841
 842         switch (session->state) {
 843         case POP3_GREETING:
 844                 break;
 845         case POP3_GETAUTH_USER:
 846         case POP3_GETAUTH_PASS:
 847         case POP3_GETAUTH_APOP:
 848                 progress_dialog_set_label(dialog, _("Authenticating..."));
 849                 statusbar_print_all(_("Retrieving messages from %s (%s) ..."),
 850                                     SESSION(session)->server,
 851                                     session->ac_prefs->account_name);
 852                 break;
 853         case POP3_GETRANGE_STAT:
 854                 progress_dialog_set_label
 855                         (dialog, _("Getting the number of new messages (STAT)..."));
 856                 break;
 857         case POP3_GETRANGE_LAST:
 858                 progress_dialog_set_label
 859                         (dialog, _("Getting the number of new messages (LAST)..."));
 860                 break;
 861         case POP3_GETRANGE_UIDL:
 862                 progress_dialog_set_label
 863                         (dialog, _("Getting the number of new messages (UIDL)..."));
 864                 break;
 865         case POP3_GETSIZE_LIST:
 866                 progress_dialog_set_label
 867                         (dialog, _("Getting the size of messages (LIST)..."));
 868                 break;
 869         case POP3_RETR:
 870         case POP3_RETR_RECV:
 871                 break;
 872         case POP3_DELETE:
 873 #if 0
 874                 if (session->msg[session->cur_msg].recv_time <
 875                         session->current_time) {
 876                         gchar buf[MSGBUFSIZE];
 877                         g_snprintf(buf, sizeof(buf), _("Deleting message %d"),
 878                                    session->cur_msg);
 879                         progress_dialog_set_label(dialog, buf);
 880                 }
 881 #endif
 882                 break;
 883         case POP3_LOGOUT:
 884                 progress_dialog_set_label(dialog, _("Quitting"));
 885                 break;
 886         default:
 887                 break;
 888         }
 889 }
 890
 891 static void inc_progress_dialog_set_progress(IncProgressDialog *inc_dialog,
 892                                              IncSession *inc_session)
 893 {
 894         gchar buf[MSGBUFSIZE];
 895         Pop3Session *pop3_session = POP3_SESSION(inc_session->session);
 896         gchar *total_size_str;
 897         gint cur_total;
 898         gint total;
 899
 900         if (!pop3_session->new_msg_exist) return;
 901
 902         cur_total = inc_session->cur_total_bytes;
 903         total = pop3_session->total_bytes;
 904         if (pop3_session->state == POP3_RETR ||
 905             pop3_session->state == POP3_RETR_RECV ||
 906             pop3_session->state == POP3_DELETE) {
 907                 Xstrdup_a(total_size_str, to_human_readable(total), return);
 908                 g_snprintf(buf, sizeof(buf),
 909                            _("Retrieving message (%d / %d) (%s / %s)"),
 910                            pop3_session->cur_msg, pop3_session->count,
 911                            to_human_readable(cur_total), total_size_str);
 912                 progress_dialog_set_label(inc_dialog->dialog, buf);
 913         }
 914
 915         progress_dialog_set_fraction
 916                 (inc_dialog->dialog,(gfloat)cur_total / (gfloat)total);
 917
 918         g_snprintf(buf, sizeof(buf), "%d / %d",
 919                    pop3_session->cur_msg, pop3_session->count);
 920         gtk_progress_bar_set_text
 921                 (GTK_PROGRESS_BAR(inc_dialog->mainwin->progressbar), buf);
 922         gtk_progress_bar_set_fraction
 923                 (GTK_PROGRESS_BAR(inc_dialog->mainwin->progressbar),
 924                  (gfloat)cur_total / (gfloat)total);
 925
 926         if (pop3_session->cur_total_num > 0) {
 927                 g_snprintf(buf, sizeof(buf),
 928                            _("Retrieving (%d message(s) (%s) received)"),
 929                            pop3_session->cur_total_num,
 930                            to_human_readable
 931                            (pop3_session->cur_total_recv_bytes));
 932                 progress_dialog_list_set_status(inc_dialog->dialog,
 933                                                 inc_dialog->cur_row,
 934                                                 buf);
 935         }
 936 }
 937
 938 static void inc_progress_dialog_update_periodic(IncProgressDialog *inc_dialog,
 939                                                 IncSession *inc_session)
 940 {
 941         struct timeval tv_cur;
 942         struct timeval tv_result;
 943         gint msec;
 944
 945         gettimeofday(&tv_cur, NULL);
 946
 947         tv_result.tv_sec = tv_cur.tv_sec - inc_dialog->progress_tv.tv_sec;
 948         tv_result.tv_usec = tv_cur.tv_usec - inc_dialog->progress_tv.tv_usec;
 949         if (tv_result.tv_usec < 0) {
 950                 tv_result.tv_sec--;
 951                 tv_result.tv_usec += 1000000;
 952         }
 953
 954         msec = tv_result.tv_sec * 1000 + tv_result.tv_usec / 1000;
 955         if (msec > PROGRESS_UPDATE_INTERVAL) {
 956                 inc_progress_dialog_update(inc_dialog, inc_session);
 957                 inc_dialog->progress_tv.tv_sec = tv_cur.tv_sec;
 958                 inc_dialog->progress_tv.tv_usec = tv_cur.tv_usec;
 959         }
 960 }
 961
 962 static gint inc_recv_data_progressive(Session *session, guint cur_len,
 963                                       guint total_len, gpointer data)
 964 {
 965         IncSession *inc_session = (IncSession *)data;
 966         Pop3Session *pop3_session = POP3_SESSION(session);
 967         IncProgressDialog *inc_dialog;
 968         gint cur_total;
 969
 970         g_return_val_if_fail(inc_session != NULL, -1);
 971
 972         if (pop3_session->state != POP3_RETR &&
 973             pop3_session->state != POP3_RETR_RECV &&
 974             pop3_session->state != POP3_DELETE &&
 975             pop3_session->state != POP3_LOGOUT) return 0;
 976
 977         if (!pop3_session->new_msg_exist) return 0;
 978
 979         cur_total = pop3_session->cur_total_bytes + cur_len;
 980         if (cur_total > pop3_session->total_bytes)
 981                 cur_total = pop3_session->total_bytes;
 982         inc_session->cur_total_bytes = cur_total;
 983
 984         inc_dialog = (IncProgressDialog *)inc_session->data;
 985         inc_progress_dialog_update_periodic(inc_dialog, inc_session);
 986
 987         return 0;
 988 }
 989
 990 static gint inc_recv_data_finished(Session *session, guint len, gpointer data)
 991 {
 992         IncSession *inc_session = (IncSession *)data;
 993         IncProgressDialog *inc_dialog;
 994
 995         g_return_val_if_fail(inc_session != NULL, -1);
 996
 997         inc_dialog = (IncProgressDialog *)inc_session->data;
 998
 999         inc_recv_data_progressive(session, 0, 0, inc_session);
1000
1001         if (POP3_SESSION(session)->state == POP3_LOGOUT) {
1002                 inc_progress_dialog_update(inc_dialog, inc_session);
1003         }
1004
1005         return 0;
1006 }
1007
1008 static gint inc_recv_message(Session *session, const gchar *msg, gpointer data)
1009 {
1010         IncSession *inc_session = (IncSession *)data;
1011         IncProgressDialog *inc_dialog;
1012
1013         g_return_val_if_fail(inc_session != NULL, -1);
1014
1015         inc_dialog = (IncProgressDialog *)inc_session->data;
1016
1017         switch (POP3_SESSION(session)->state) {
1018         case POP3_GETAUTH_USER:
1019         case POP3_GETAUTH_PASS:
1020         case POP3_GETAUTH_APOP:
1021         case POP3_GETRANGE_STAT:
1022         case POP3_GETRANGE_LAST:
1023         case POP3_GETRANGE_UIDL:
1024         case POP3_GETSIZE_LIST:
1025                 inc_progress_dialog_update(inc_dialog, inc_session);
1026                 break;
1027         case POP3_RETR:
1028                 inc_recv_data_progressive(session, 0, 0, inc_session);
1029                 break;
1030         case POP3_LOGOUT:
1031                 inc_progress_dialog_update(inc_dialog, inc_session);
1032                 break;
1033         default:
1034                 break;
1035         }
1036
1037         return 0;
1038 }
1039
1040 static gint inc_drop_message(Pop3Session *session, const gchar *file)
1041 {
1042         FolderItem *inbox;
1043         FolderItem *dropfolder;
1044         IncSession *inc_session = (IncSession *)(SESSION(session)->data);
1045         gint msgnum;
1046
1047         g_return_val_if_fail(inc_session != NULL, -1);
1048
1049         if (session->ac_prefs->inbox) {
1050                 inbox = folder_find_item_from_identifier
1051                         (session->ac_prefs->inbox);
1052                 if (!inbox)
1053                         inbox = folder_get_default_inbox();
1054         } else
1055                 inbox = folder_get_default_inbox();
1056         if (!inbox) {
1057                 unlink(file);
1058                 return -1;
1059         }
1060
1061         /* CLAWS: claws uses a global .processing folder for the filtering. */
1062         dropfolder = folder_get_default_processing();
1063
1064         /* add msg file to drop folder */
1065         if ((msgnum = folder_item_add_msg(
1066                         dropfolder, file, NULL, TRUE)) < 0) {
1067                 unlink(file);
1068                 return -1;
1069         }
1070
1071         return 0;
1072 }
1073
1074 static void inc_put_error(IncState istate, Pop3Session *session)
1075 {
1076         gchar *log_msg = NULL;
1077         gchar *err_msg = NULL;
1078         gboolean fatal_error = FALSE;
1079
1080         switch (istate) {
1081         case INC_CONNECT_ERROR:
1082                 log_msg = _("Connection failed.");
1083                 if (prefs_common.no_recv_err_panel)
1084                         break;
1085                 err_msg = g_strdup_printf(_("Connection to %s:%d failed."),
1086                                           SESSION(session)->server,
1087                                           SESSION(session)->port);
1088                 break;
1089         case INC_ERROR:
1090                 log_msg = _("Error occurred while processing mail.");
1091                 if (prefs_common.no_recv_err_panel)
1092                         break;
1093                 if (session->error_msg)
1094                         err_msg = g_strdup_printf
1095                                 (_("Error occurred while processing mail:\n%s"),
1096                                  session->error_msg);
1097                 else
1098                         err_msg = g_strdup(log_msg);
1099                 break;
1100         case INC_NO_SPACE:
1101                 log_msg = _("No disk space left.");
1102                 err_msg = g_strdup(log_msg);
1103                 fatal_error = TRUE;
1104                 break;
1105         case INC_IO_ERROR:
1106                 log_msg = _("Can't write file.");
1107                 err_msg = g_strdup(log_msg);
1108                 fatal_error = TRUE;
1109                 break;
1110         case INC_SOCKET_ERROR:
1111                 log_msg = _("Socket error.");
1112                 if (prefs_common.no_recv_err_panel)
1113                         break;
1114                 err_msg = g_strdup_printf(_("Socket error on connection to %s:%d."),
1115                                           SESSION(session)->server,
1116                                           SESSION(session)->port);
1117                 break;
1118         case INC_EOF:
1119                 log_msg = _("Connection closed by the remote host.");
1120                 if (prefs_common.no_recv_err_panel)
1121                         break;
1122                 err_msg = g_strdup_printf(_("Connection to %s:%d closed by the remote host."),
1123                                           SESSION(session)->server,
1124                                           SESSION(session)->port);
1125                 break;
1126         case INC_LOCKED:
1127                 log_msg = _("Mailbox is locked.");
1128                 if (prefs_common.no_recv_err_panel)
1129                         break;
1130                 if (session->error_msg)
1131                         err_msg = g_strdup_printf(_("Mailbox is locked:\n%s"),
1132                                                   session->error_msg);
1133                 else
1134                         err_msg = g_strdup(log_msg);
1135                 break;
1136         case INC_AUTH_FAILED:
1137                 log_msg = _("Authentication failed.");
1138                 if (prefs_common.no_recv_err_panel)
1139                         break;
1140                 if (session->error_msg)
1141                         err_msg = g_strdup_printf
1142                                 (_("Authentication failed:\n%s"), session->error_msg);
1143                 else
1144                         err_msg = g_strdup(log_msg);
1145                 break;
1146         case INC_TIMEOUT:
1147                 log_msg = _("Session timed out.");
1148                 if (prefs_common.no_recv_err_panel)
1149                         break;
1150                 err_msg = g_strdup_printf(_("Connection to %s:%d timed out."),
1151                                           SESSION(session)->server,
1152                                           SESSION(session)->port);
1153                 break;
1154         default:
1155                 break;
1156         }
1157
1158         if (log_msg) {
1159                 if (fatal_error)
1160                         log_error("%s\n", log_msg);
1161                 else
1162                         log_warning("%s\n", log_msg);
1163         }
1164         if (err_msg) {
1165                 alertpanel_error_log(err_msg);
1166                 g_free(err_msg);
1167         }
1168 }
1169
1170 static void inc_cancel(IncProgressDialog *dialog)
1171 {
1172         IncSession *session;
1173
1174         g_return_if_fail(dialog != NULL);
1175
1176         if (dialog->queue_list == NULL) {
1177                 inc_progress_dialog_destroy(dialog);
1178                 return;
1179         }
1180
1181         session = dialog->queue_list->data;
1182
1183         session->inc_state = INC_CANCEL;
1184
1185         log_message(_("Incorporation cancelled\n"));
1186 }
1187
1188 gboolean inc_is_active(void)
1189 {
1190         return (inc_dialog_list != NULL);
1191 }
1192
1193 void inc_cancel_all(void)
1194 {
1195         GList *cur;
1196
1197         for (cur = inc_dialog_list; cur != NULL; cur = cur->next)
1198                 inc_cancel((IncProgressDialog *)cur->data);
1199 }
1200
1201 static void inc_cancel_cb(GtkWidget *widget, gpointer data)
1202 {
1203         inc_cancel((IncProgressDialog *)data);
1204 }
1205
1206 static gint inc_dialog_delete_cb(GtkWidget *widget, GdkEventAny *event,
1207                                  gpointer data)
1208 {
1209         IncProgressDialog *dialog = (IncProgressDialog *)data;
1210
1211         if (dialog->queue_list == NULL)
1212                 inc_progress_dialog_destroy(dialog);
1213
1214         return TRUE;
1215 }
1216
1217 static gint inc_spool_account(PrefsAccount *account)
1218 {
1219         FolderItem *inbox;
1220         gchar *mbox;
1221         gint result;
1222
1223         if (account->inbox) {
1224                 inbox = folder_find_item_from_path(account->inbox);
1225                 if (!inbox)
1226                         inbox = folder_get_default_inbox();
1227         } else
1228                 inbox = folder_get_default_inbox();
1229
1230         if (is_file_exist(account->local_mbox))
1231                 mbox = g_strdup(account->local_mbox);
1232         else if (is_dir_exist(account->local_mbox))
1233                 mbox = g_strconcat(account->local_mbox, G_DIR_SEPARATOR_S,
1234                                    g_get_user_name(), NULL);
1235         else {
1236                 debug_print("%s: local mailbox not found.\n",
1237                             account->local_mbox);
1238                 return -1;
1239         }
1240
1241         result = get_spool(inbox, mbox);
1242         g_free(mbox);
1243
1244         statusbar_pop_all();
1245
1246         return result;
1247 }
1248
1249 static gint inc_all_spool(void)
1250 {
1251         GList *list = NULL;
1252         gint new_msgs = 0;
1253         gint account_new_msgs = 0;
1254
1255         list = account_get_list();
1256         if (!list) return 0;
1257
1258         for (; list != NULL; list = list->next) {
1259                 PrefsAccount *account = list->data;
1260
1261                 if ((account->protocol == A_LOCAL) &&
1262                     (account->recv_at_getall)) {
1263                         account_new_msgs = inc_spool_account(account);
1264                         if (account_new_msgs > 0)
1265                                 new_msgs += account_new_msgs;
1266                 }
1267         }
1268
1269         return new_msgs;
1270 }
1271
1272 static gint get_spool(FolderItem *dest, const gchar *mbox)
1273 {
1274         gint msgs, size;
1275         gint lockfd;
1276         gchar tmp_mbox[MAXPATHLEN + 1];
1277
1278         g_return_val_if_fail(dest != NULL, -1);
1279         g_return_val_if_fail(mbox != NULL, -1);
1280
1281         if (!is_file_exist(mbox) || (size = get_file_size(mbox)) == 0) {
1282                 debug_print("%s: no messages in local mailbox.\n", mbox);
1283                 return 0;
1284         } else if (size < 0)
1285                 return -1;
1286
1287         if ((lockfd = lock_mbox(mbox, LOCK_FLOCK)) < 0)
1288                 return -1;
1289
1290         g_snprintf(tmp_mbox, sizeof(tmp_mbox), "%s%ctmpmbox.%08x",
1291                    get_tmp_dir(), G_DIR_SEPARATOR, (gint)mbox);
1292
1293         if (copy_mbox(mbox, tmp_mbox) < 0) {
1294                 unlock_mbox(mbox, lockfd, LOCK_FLOCK);
1295                 return -1;
1296         }
1297
1298         debug_print("Getting new messages from %s into %s...\n",
1299                     mbox, dest->path);
1300
1301         msgs = proc_mbox(dest, tmp_mbox, TRUE);
1302
1303         unlink(tmp_mbox);
1304         if (msgs >= 0) empty_mbox(mbox);
1305         unlock_mbox(mbox, lockfd, LOCK_FLOCK);
1306
1307         return msgs;
1308 }
1309
1310 void inc_lock(void)
1311 {
1312         inc_lock_count++;
1313 }
1314
1315 void inc_unlock(void)
1316 {
1317         if (inc_lock_count > 0)
1318                 inc_lock_count--;
1319 }
1320
1321 static guint autocheck_timer = 0;
1322 static gpointer autocheck_data = NULL;
1323
1324 static void inc_notify_cmd(gint new_msgs, gboolean notify)
1325 {
1326
1327         gchar *buf, *numpos, *ret_str;
1328         gssize by_read = 0, by_written = 0;
1329
1330         if (!(new_msgs && notify && prefs_common.newmail_notify_cmd &&
1331             *prefs_common.newmail_notify_cmd))
1332                      return;
1333         buf = g_strdup(prefs_common.newmail_notify_cmd);
1334         if ((numpos = strstr(buf, "%d")) != NULL) {
1335                 gchar *buf2;
1336
1337                 *numpos = '\0';
1338                 buf2 = g_strdup_printf("%s%d%s", buf, new_msgs, numpos + 2);
1339                 g_free(buf);
1340                 buf = buf2;
1341         }
1342
1343         ret_str = g_locale_from_utf8(buf, strlen(buf), &by_read, &by_written,
1344                                      NULL);
1345         if (ret_str && by_written) {
1346                 g_free(buf);
1347                 buf = ret_str;
1348         }
1349         debug_print("executing new mail notification command: %s\n", buf);
1350         execute_command_line(buf, TRUE);
1351
1352         g_free(buf);
1353 }
1354
1355 void inc_autocheck_timer_init(MainWindow *mainwin)
1356 {
1357         autocheck_data = mainwin;
1358         inc_autocheck_timer_set();
1359 }
1360
1361 static void inc_autocheck_timer_set_interval(guint interval)
1362 {
1363         inc_autocheck_timer_remove();
1364         /* last test is to avoid re-enabling auto_check after modifying
1365            the common preferences */
1366         if (prefs_common.autochk_newmail && autocheck_data
1367             && prefs_common.work_offline == FALSE) {
1368                 autocheck_timer = gtk_timeout_add
1369                         (interval, inc_autocheck_func, autocheck_data);
1370                 debug_print("added timer = %d\n", autocheck_timer);
1371         }
1372 }
1373
1374 void inc_autocheck_timer_set(void)
1375 {
1376         inc_autocheck_timer_set_interval(prefs_common.autochk_itv * 60000);
1377 }
1378
1379 void inc_autocheck_timer_remove(void)
1380 {
1381         if (autocheck_timer) {
1382                 debug_print("removed timer = %d\n", autocheck_timer);
1383                 gtk_timeout_remove(autocheck_timer);
1384                 autocheck_timer = 0;
1385         }
1386 }
1387
1388 static gint inc_autocheck_func(gpointer data)
1389 {
1390         MainWindow *mainwin = (MainWindow *)data;
1391
1392         if (inc_lock_count) {
1393                 debug_print("autocheck is locked.\n");
1394                 inc_autocheck_timer_set_interval(1000);
1395                 return FALSE;
1396         }
1397
1398         inc_all_account_mail(mainwin, TRUE, prefs_common.newmail_notify_auto);
1399
1400         return FALSE;
1401 }