src/inc.c

   1 /*
   2  * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
   3  * Copyright (C) 1999-2006 Hiroyuki Yamamoto and the Sylpheed-Claws team
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; either version 2 of the License, or
   8  * (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License
  16  * along with this program; if not, write to the Free Software
  17  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  18  */
  19
  20 #ifdef HAVE_CONFIG_H
  21 #  include "config.h"
  22 #endif
  23
  24 #include "defs.h"
  25
  26 #include <glib.h>
  27 #include <glib/gi18n.h>
  28 #include <gtk/gtkmain.h>
  29 #include <gtk/gtkwindow.h>
  30 #include <gtk/gtksignal.h>
  31 #include <gtk/gtkprogressbar.h>
  32 #include <stdio.h>
  33 #include <unistd.h>
  34 #include <string.h>
  35
  36 #include "main.h"
  37 #include "inc.h"
  38 #include "mainwindow.h"
  39 #include "folderview.h"
  40 #include "summaryview.h"
  41 #include "prefs_common.h"
  42 #include "prefs_account.h"
  43 #include "account.h"
  44 #include "procmsg.h"
  45 #include "socket.h"
  46 #include "ssl.h"
  47 #include "pop.h"
  48 #include "recv.h"
  49 #include "mbox.h"
  50 #include "utils.h"
  51 #include "gtkutils.h"
  52 #include "statusbar.h"
  53 #include "manage_window.h"
  54 #include "stock_pixmap.h"
  55 #include "progressdialog.h"
  56 #include "inputdialog.h"
  57 #include "alertpanel.h"
  58 #include "folder.h"
  59 #include "filtering.h"
  60 #include "log.h"
  61 #include "hooks.h"
  62
  63 static GList *inc_dialog_list = NULL;
  64
  65 static guint inc_lock_count = 0;
  66
  67 static GdkPixbuf *currentpix;
  68 static GdkPixbuf *errorpix;
  69 static GdkPixbuf *okpix;
  70
  71 #define MSGBUFSIZE      8192
  72
  73 static void inc_finished                (MainWindow             *mainwin,
  74                                          gboolean                new_messages);
  75 static gint inc_account_mail_real       (MainWindow             *mainwin,
  76                                          PrefsAccount           *account);
  77
  78 static IncProgressDialog *inc_progress_dialog_create
  79                                         (gboolean                autocheck);
  80 static void inc_progress_dialog_set_list(IncProgressDialog      *inc_dialog);
  81 static void inc_progress_dialog_destroy (IncProgressDialog      *inc_dialog);
  82
  83 static IncSession *inc_session_new      (PrefsAccount           *account);
  84 static void inc_session_destroy         (IncSession             *session);
  85 static gint inc_start                   (IncProgressDialog      *inc_dialog);
  86 static IncState inc_pop3_session_do     (IncSession             *session);
  87
  88 static void inc_progress_dialog_update  (IncProgressDialog      *inc_dialog,
  89                                          IncSession             *inc_session);
  90
  91 static void inc_progress_dialog_set_label
  92                                         (IncProgressDialog      *inc_dialog,
  93                                          IncSession             *inc_session);
  94 static void inc_progress_dialog_set_progress
  95                                         (IncProgressDialog      *inc_dialog,
  96                                          IncSession             *inc_session);
  97
  98 static void inc_progress_dialog_update_periodic
  99                                         (IncProgressDialog      *inc_dialog,
 100                                          IncSession             *inc_session);
 101
 102 static gint inc_recv_data_progressive   (Session        *session,
 103                                          guint           cur_len,
 104                                          guint           total_len,
 105                                          gpointer        data);
 106 static gint inc_recv_data_finished      (Session        *session,
 107                                          guint           len,
 108                                          gpointer        data);
 109 static gint inc_recv_message            (Session        *session,
 110                                          const gchar    *msg,
 111                                          gpointer        data);
 112 static gint inc_drop_message            (Pop3Session    *session,
 113                                          const gchar    *file);
 114
 115 static void inc_put_error               (IncState        istate,
 116                                          Pop3Session    *session);
 117
 118 static void inc_cancel_cb               (GtkWidget      *widget,
 119                                          gpointer        data);
 120 static gint inc_dialog_delete_cb        (GtkWidget      *widget,
 121                                          GdkEventAny    *event,
 122                                          gpointer        data);
 123
 124 static gint get_spool                   (FolderItem     *dest,
 125                                          const gchar    *mbox);
 126
 127 static gint inc_spool_account(PrefsAccount *account);
 128 static gint inc_all_spool(void);
 129 static void inc_autocheck_timer_set_interval    (guint           interval);
 130 static gint inc_autocheck_func                  (gpointer        data);
 131
 132 static void inc_notify_cmd              (gint new_msgs,
 133                                          gboolean notify);
 134
 135 /**
 136  * inc_finished:
 137  * @mainwin: Main window.
 138  * @new_messages: TRUE if some messages have been received.
 139  *
 140  * Update the folder view and the summary view after receiving
 141  * messages.  If @new_messages is FALSE, this function avoids unneeded
 142  * updating.
 143  **/
 144 static void inc_finished(MainWindow *mainwin, gboolean new_messages)
 145 {
 146         FolderItem *item;
 147
 148         if (prefs_common.scan_all_after_inc)
 149                 folderview_check_new(NULL);
 150
 151         if (!new_messages && !prefs_common.scan_all_after_inc) return;
 152
 153         if (prefs_common.open_inbox_on_inc) {
 154                 item = cur_account && cur_account->inbox
 155                         ? folder_find_item_from_identifier(cur_account->inbox)
 156                         : folder_get_default_inbox();
 157                 folderview_unselect(mainwin->folderview);
 158                 folderview_select(mainwin->folderview, item);
 159         }
 160 }
 161
 162 void inc_mail(MainWindow *mainwin, gboolean notify)
 163 {
 164         gint new_msgs = 0;
 165         gint account_new_msgs = 0;
 166
 167         if (inc_lock_count) return;
 168
 169         if (prefs_common.work_offline &&
 170             !inc_offline_should_override(
 171                 _("Sylpheed-Claws needs network access in order "
 172                   "to get mails.")))
 173                 return;
 174
 175         inc_lock();
 176         inc_autocheck_timer_remove();
 177         main_window_lock(mainwin);
 178
 179         if (prefs_common.use_extinc && prefs_common.extinc_cmd) {
 180                 /* external incorporating program */
 181                 if (execute_command_line(prefs_common.extinc_cmd, FALSE) < 0) {
 182                         main_window_unlock(mainwin);
 183                         inc_autocheck_timer_set();
 184                         return;
 185                 }
 186         } else {
 187                 account_new_msgs = inc_account_mail_real(mainwin, cur_account);
 188                 if (account_new_msgs > 0)
 189                         new_msgs += account_new_msgs;
 190         }
 191
 192         inc_finished(mainwin, new_msgs > 0);
 193         main_window_unlock(mainwin);
 194         inc_notify_cmd(new_msgs, notify);
 195         inc_autocheck_timer_set();
 196         inc_unlock();
 197 }
 198
 199 void inc_pop_before_smtp(PrefsAccount *acc)
 200 {
 201         IncProgressDialog *inc_dialog;
 202         IncSession *session;
 203         MainWindow *mainwin;
 204
 205         mainwin = mainwindow_get_mainwindow();
 206
 207         session = inc_session_new(acc);
 208         if (!session) return;
 209         POP3_SESSION(session->session)->pop_before_smtp = TRUE;
 210
 211         inc_dialog = inc_progress_dialog_create(FALSE);
 212         inc_dialog->queue_list = g_list_append(inc_dialog->queue_list,
 213                                                session);
 214         /* FIXME: assumes to attach to first main window */
 215         inc_dialog->mainwin = mainwin;
 216         inc_progress_dialog_set_list(inc_dialog);
 217
 218         if (mainwin) {
 219                 toolbar_main_set_sensitive(mainwin);
 220                 main_window_set_menu_sensitive(mainwin);
 221         }
 222
 223         inc_start(inc_dialog);
 224 }
 225
 226 static gint inc_account_mail_real(MainWindow *mainwin, PrefsAccount *account)
 227 {
 228         IncProgressDialog *inc_dialog;
 229         IncSession *session;
 230
 231         switch (account->protocol) {
 232         case A_IMAP4:
 233         case A_NNTP:
 234                 /* Melvin: bug [14]
 235                  * FIXME: it should return foldeview_check_new() value.
 236                  * TODO: do it when bug [19] is fixed (IMAP folder sets
 237                  * an incorrect new message count)
 238                  */
 239                 folderview_check_new(FOLDER(account->folder));
 240                 return 0;
 241         case A_POP3:
 242         case A_APOP:
 243                 session = inc_session_new(account);
 244                 if (!session) return 0;
 245
 246                 inc_dialog = inc_progress_dialog_create(FALSE);
 247                 inc_dialog->queue_list = g_list_append(inc_dialog->queue_list,
 248                                                        session);
 249                 inc_dialog->mainwin = mainwin;
 250                 inc_progress_dialog_set_list(inc_dialog);
 251
 252                 if (mainwin) {
 253                         toolbar_main_set_sensitive(mainwin);
 254                         main_window_set_menu_sensitive(mainwin);
 255                 }
 256
 257                 return inc_start(inc_dialog);
 258
 259         case A_LOCAL:
 260                 return inc_spool_account(account);
 261
 262         default:
 263                 break;
 264         }
 265         return 0;
 266 }
 267
 268 gint inc_account_mail(MainWindow *mainwin, PrefsAccount *account)
 269 {
 270         gint new_msgs;
 271
 272         if (inc_lock_count) return 0;
 273
 274         if (prefs_common.work_offline &&
 275             !inc_offline_should_override(
 276                 _("Sylpheed-Claws needs network access in order "
 277                   "to get mails.")))
 278                 return 0;
 279
 280         inc_autocheck_timer_remove();
 281         main_window_lock(mainwin);
 282
 283         new_msgs = inc_account_mail_real(mainwin, account);
 284
 285         inc_finished(mainwin, new_msgs > 0);
 286         main_window_unlock(mainwin);
 287         inc_autocheck_timer_set();
 288
 289         return new_msgs;
 290 }
 291
 292 void inc_all_account_mail(MainWindow *mainwin, gboolean autocheck,
 293                           gboolean notify)
 294 {
 295         GList *list, *queue_list = NULL;
 296         IncProgressDialog *inc_dialog;
 297         gint new_msgs = 0;
 298         gint account_new_msgs = 0;
 299
 300         if (prefs_common.work_offline &&
 301             !inc_offline_should_override(
 302                 _("Sylpheed-Claws needs network access in order "
 303                   "to get mails.")))
 304                 return;
 305
 306         if (inc_lock_count) return;
 307
 308         inc_autocheck_timer_remove();
 309         main_window_lock(mainwin);
 310
 311         list = account_get_list();
 312         if (!list) {
 313                 inc_finished(mainwin, new_msgs > 0);
 314                 main_window_unlock(mainwin);
 315                 inc_notify_cmd(new_msgs, notify);
 316                 inc_autocheck_timer_set();
 317                 return;
 318         }
 319
 320         /* check local folders */
 321         account_new_msgs = inc_all_spool();
 322         if (account_new_msgs > 0)
 323                 new_msgs += account_new_msgs;
 324
 325         /* check IMAP4 / News folders */
 326         for (list = account_get_list(); list != NULL; list = list->next) {
 327                 PrefsAccount *account = list->data;
 328                 if ((account->protocol == A_IMAP4 ||
 329                      account->protocol == A_NNTP) && account->recv_at_getall) {
 330                         new_msgs += folderview_check_new(FOLDER(account->folder));
 331                 }
 332         }
 333
 334         /* check POP3 accounts */
 335         for (list = account_get_list(); list != NULL; list = list->next) {
 336                 IncSession *session;
 337                 PrefsAccount *account = list->data;
 338
 339                 if (account->recv_at_getall) {
 340                         session = inc_session_new(account);
 341                         if (session)
 342                                 queue_list = g_list_append(queue_list, session);
 343                 }
 344         }
 345
 346         if (queue_list) {
 347                 inc_dialog = inc_progress_dialog_create(autocheck);
 348                 inc_dialog->queue_list = queue_list;
 349                 inc_dialog->mainwin = mainwin;
 350                 inc_progress_dialog_set_list(inc_dialog);
 351
 352                 toolbar_main_set_sensitive(mainwin);
 353                 main_window_set_menu_sensitive(mainwin);
 354                 new_msgs += inc_start(inc_dialog);
 355         }
 356
 357         inc_finished(mainwin, new_msgs > 0);
 358         main_window_unlock(mainwin);
 359         inc_notify_cmd(new_msgs, notify);
 360         inc_autocheck_timer_set();
 361 }
 362
 363 static IncProgressDialog *inc_progress_dialog_create(gboolean autocheck)
 364 {
 365         IncProgressDialog *dialog;
 366         ProgressDialog *progress;
 367
 368         dialog = g_new0(IncProgressDialog, 1);
 369
 370         progress = progress_dialog_create();
 371         gtk_window_set_title(GTK_WINDOW(progress->window),
 372                              _("Retrieving new messages"));
 373         g_signal_connect(G_OBJECT(progress->cancel_btn), "clicked",
 374                          G_CALLBACK(inc_cancel_cb), dialog);
 375         g_signal_connect(G_OBJECT(progress->window), "delete_event",
 376                          G_CALLBACK(inc_dialog_delete_cb), dialog);
 377         /* manage_window_set_transient(GTK_WINDOW(progress->window)); */
 378
 379         progress_dialog_get_fraction(progress);
 380
 381         stock_pixbuf_gdk(progress->treeview, STOCK_PIXMAP_COMPLETE,
 382                          &okpix);
 383         stock_pixbuf_gdk(progress->treeview, STOCK_PIXMAP_CONTINUE,
 384                          &currentpix);
 385         stock_pixbuf_gdk(progress->treeview, STOCK_PIXMAP_ERROR,
 386                          &errorpix);
 387
 388         if (prefs_common.recv_dialog_mode == RECV_DIALOG_ALWAYS ||
 389             (prefs_common.recv_dialog_mode == RECV_DIALOG_MANUAL &&
 390              !autocheck)) {
 391                 dialog->show_dialog = TRUE;
 392                 gtk_widget_show_now(progress->window);
 393         }
 394
 395         dialog->dialog = progress;
 396         g_get_current_time(&dialog->progress_tv);
 397         g_get_current_time(&dialog->folder_tv);
 398         dialog->queue_list = NULL;
 399         dialog->cur_row = 0;
 400
 401         inc_dialog_list = g_list_append(inc_dialog_list, dialog);
 402
 403         return dialog;
 404 }
 405
 406 static void inc_progress_dialog_set_list(IncProgressDialog *inc_dialog)
 407 {
 408         GList *list;
 409
 410         for (list = inc_dialog->queue_list; list != NULL; list = list->next) {
 411                 IncSession *session = list->data;
 412                 Pop3Session *pop3_session = POP3_SESSION(session->session);
 413
 414                 session->data = inc_dialog;
 415
 416                 progress_dialog_list_set(inc_dialog->dialog,
 417                                          -1, NULL,
 418                                          pop3_session->ac_prefs->account_name,
 419                                          _("Standby"));
 420         }
 421 }
 422
 423 static void inc_progress_dialog_clear(IncProgressDialog *inc_dialog)
 424 {
 425         progress_dialog_get_fraction(inc_dialog->dialog);
 426         progress_dialog_set_label(inc_dialog->dialog, "");
 427         if (inc_dialog->mainwin)
 428                 main_window_progress_off(inc_dialog->mainwin);
 429 }
 430
 431 static void inc_progress_dialog_destroy(IncProgressDialog *inc_dialog)
 432 {
 433         g_return_if_fail(inc_dialog != NULL);
 434
 435         inc_dialog_list = g_list_remove(inc_dialog_list, inc_dialog);
 436
 437         if (inc_dialog->mainwin)
 438                 main_window_progress_off(inc_dialog->mainwin);
 439         progress_dialog_destroy(inc_dialog->dialog);
 440
 441         g_free(inc_dialog);
 442 }
 443
 444 static IncSession *inc_session_new(PrefsAccount *account)
 445 {
 446         IncSession *session;
 447
 448         g_return_val_if_fail(account != NULL, NULL);
 449
 450         if (account->protocol != A_POP3)
 451                 return NULL;
 452         if (!account->recv_server || !account->userid)
 453                 return NULL;
 454
 455         session = g_new0(IncSession, 1);
 456
 457         session->session = pop3_session_new(account);
 458         session->session->data = session;
 459         POP3_SESSION(session->session)->drop_message = inc_drop_message;
 460         session_set_recv_message_notify(session->session,
 461                                         inc_recv_message, session);
 462         session_set_recv_data_progressive_notify(session->session,
 463                                                  inc_recv_data_progressive,
 464                                                  session);
 465         session_set_recv_data_notify(session->session,
 466                                      inc_recv_data_finished, session);
 467
 468         return session;
 469 }
 470
 471 static void inc_session_destroy(IncSession *session)
 472 {
 473         g_return_if_fail(session != NULL);
 474
 475         session_destroy(session->session);
 476         g_free(session);
 477 }
 478
 479 static gint inc_start(IncProgressDialog *inc_dialog)
 480 {
 481         IncSession *session;
 482         GList *qlist;
 483         Pop3Session *pop3_session;
 484         IncState inc_state;
 485         gint error_num = 0;
 486         gint new_msgs = 0;
 487         gchar *msg;
 488         gchar *fin_msg;
 489         FolderItem *processing, *inbox;
 490         MsgInfo *msginfo;
 491         GSList *msglist, *msglist_element;
 492         gboolean cancelled = FALSE;
 493
 494         qlist = inc_dialog->queue_list;
 495         while (qlist != NULL) {
 496                 GList *next = qlist->next;
 497
 498                 session = qlist->data;
 499                 pop3_session = POP3_SESSION(session->session);
 500                 pop3_session->user = g_strdup(pop3_session->ac_prefs->userid);
 501                 if (pop3_session->ac_prefs->passwd)
 502                         pop3_session->pass =
 503                                 g_strdup(pop3_session->ac_prefs->passwd);
 504                 else if (pop3_session->ac_prefs->tmp_pass)
 505                         pop3_session->pass =
 506                                 g_strdup(pop3_session->ac_prefs->tmp_pass);
 507                 else {
 508                         gchar *pass;
 509
 510                         if (inc_dialog->show_dialog)
 511                                 manage_window_focus_in
 512                                         (inc_dialog->dialog->window,
 513                                          NULL, NULL);
 514
 515                         pass = input_dialog_query_password
 516                                 (pop3_session->ac_prefs->recv_server,
 517                                  pop3_session->user);
 518
 519                         if (inc_dialog->show_dialog)
 520                                 manage_window_focus_out
 521                                         (inc_dialog->dialog->window,
 522                                          NULL, NULL);
 523
 524                         if (pass) {
 525                                 pop3_session->ac_prefs->tmp_pass =
 526                                         g_strdup(pass);
 527                                 pop3_session->pass = pass;
 528                         }
 529                 }
 530
 531                 qlist = next;
 532         }
 533
 534 #define SET_PIXMAP_AND_TEXT(pix, str)                                      \
 535 {                                                                          \
 536         progress_dialog_list_set(inc_dialog->dialog,                       \
 537                                  inc_dialog->cur_row,                      \
 538                                  pix,                                      \
 539                                  NULL,                                     \
 540                                  str);                                     \
 541 }
 542
 543         for (; inc_dialog->queue_list != NULL && !cancelled; inc_dialog->cur_row++) {
 544                 int cur = 0, total = 0;
 545                 session = inc_dialog->queue_list->data;
 546                 pop3_session = POP3_SESSION(session->session);
 547
 548                 if (pop3_session->pass == NULL) {
 549                         SET_PIXMAP_AND_TEXT(okpix, _("Cancelled"));
 550                         inc_session_destroy(session);
 551                         inc_dialog->queue_list =
 552                                 g_list_remove(inc_dialog->queue_list, session);
 553                         continue;
 554                 }
 555
 556                 inc_progress_dialog_clear(inc_dialog);
 557                 progress_dialog_scroll_to_row(inc_dialog->dialog,
 558                                               inc_dialog->cur_row);
 559
 560                 SET_PIXMAP_AND_TEXT(currentpix, _("Retrieving"));
 561
 562                 /* begin POP3 session */
 563                 inc_state = inc_pop3_session_do(session);
 564
 565                 switch (inc_state) {
 566                 case INC_SUCCESS:
 567                         if (pop3_session->cur_total_num > 0)
 568                                 msg = g_strdup_printf(
 569                                         ngettext("Done (%d message (%s) received)",
 570                                                  "Done (%d messages (%s) received)",
 571                                          pop3_session->cur_total_num),
 572                                          pop3_session->cur_total_num,
 573                                          to_human_readable(pop3_session->cur_total_recv_bytes));
 574                         else
 575                                 msg = g_strdup_printf(_("Done (no new messages)"));
 576                         SET_PIXMAP_AND_TEXT(okpix, msg);
 577                         g_free(msg);
 578                         break;
 579                 case INC_CONNECT_ERROR:
 580                         SET_PIXMAP_AND_TEXT(errorpix, _("Connection failed"));
 581                         break;
 582                 case INC_AUTH_FAILED:
 583                         SET_PIXMAP_AND_TEXT(errorpix, _("Auth failed"));
 584                         break;
 585                 case INC_LOCKED:
 586                         SET_PIXMAP_AND_TEXT(errorpix, _("Locked"));
 587                         break;
 588                 case INC_ERROR:
 589                 case INC_NO_SPACE:
 590                 case INC_IO_ERROR:
 591                 case INC_SOCKET_ERROR:
 592                 case INC_EOF:
 593                         SET_PIXMAP_AND_TEXT(errorpix, _("Error"));
 594                         break;
 595                 case INC_TIMEOUT:
 596                         SET_PIXMAP_AND_TEXT(errorpix, _("Timeout"));
 597                         break;
 598                 case INC_CANCEL:
 599                         SET_PIXMAP_AND_TEXT(okpix, _("Cancelled"));
 600                         if (!inc_dialog->show_dialog)
 601                                 cancelled = TRUE;
 602                         break;
 603                 default:
 604                         break;
 605                 }
 606
 607                 if (pop3_session->error_val == PS_AUTHFAIL) {
 608                         if(!prefs_common.no_recv_err_panel) {
 609                                 if((prefs_common.recv_dialog_mode == RECV_DIALOG_ALWAYS) ||
 610                                     ((prefs_common.recv_dialog_mode == RECV_DIALOG_MANUAL) && focus_window))
 611                                         manage_window_focus_in(inc_dialog->dialog->window, NULL, NULL);
 612                         }
 613                 }
 614
 615                 /* CLAWS: perform filtering actions on dropped message */
 616                 /* CLAWS: get default inbox (perhaps per account) */
 617                 if (pop3_session->ac_prefs->inbox) {
 618                         /* CLAWS: get destination folder / mailbox */
 619                         inbox = folder_find_item_from_identifier(pop3_session->ac_prefs->inbox);
 620                         if (!inbox)
 621                                 inbox = folder_get_default_inbox();
 622                 } else
 623                         inbox = folder_get_default_inbox();
 624
 625                 /* get list of messages in processing */
 626                 processing = folder_get_default_processing();
 627                 folder_item_scan(processing);
 628                 msglist = folder_item_get_msg_list(processing);
 629
 630                 /* process messages */
 631                 folder_item_update_freeze();
 632                 if (pop3_session->ac_prefs->filter_on_recv)
 633                         statusbar_print_all(_("Filtering messages...\n"));
 634                 total = g_slist_length(msglist);
 635
 636                 for(msglist_element = msglist; msglist_element != NULL;
 637                     msglist_element = msglist_element->next) {
 638                         gchar *filename;
 639                         msginfo = (MsgInfo *) msglist_element->data;
 640                         filename = folder_item_fetch_msg(processing, msginfo->msgnum);
 641                         g_free(filename);
 642
 643                         if (pop3_session->ac_prefs->filter_on_recv)
 644                                 statusbar_progress_all(cur++,total, prefs_common.statusbar_update_step);
 645
 646                         if (!pop3_session->ac_prefs->filter_on_recv ||
 647                             !procmsg_msginfo_filter(msginfo))
 648                                 folder_item_move_msg(inbox, msginfo);
 649                 }
 650                 filtering_move_and_copy_msgs(msglist);
 651                 for(msglist_element = msglist; msglist_element != NULL;
 652                     msglist_element = msglist_element->next) {
 653                         MsgInfo *msginfo = (MsgInfo *)msglist_element->data;
 654                         procmsg_msginfo_free(msginfo);
 655                 }
 656                 folder_item_update_thaw();
 657
 658                 statusbar_progress_all(0,0,0);
 659                 statusbar_pop_all();
 660
 661                 g_slist_free(msglist);
 662
 663                 statusbar_pop_all();
 664
 665                 new_msgs += pop3_session->cur_total_num;
 666
 667                 if (pop3_session->error_val == PS_AUTHFAIL &&
 668                     pop3_session->ac_prefs->tmp_pass) {
 669                         g_free(pop3_session->ac_prefs->tmp_pass);
 670                         pop3_session->ac_prefs->tmp_pass = NULL;
 671                 }
 672
 673                 pop3_write_uidl_list(pop3_session);
 674
 675                 if (inc_state != INC_SUCCESS && inc_state != INC_CANCEL) {
 676                         error_num++;
 677                         if (inc_dialog->show_dialog)
 678                                 manage_window_focus_in
 679                                         (inc_dialog->dialog->window,
 680                                          NULL, NULL);
 681                         inc_put_error(inc_state, pop3_session);
 682                         if (inc_dialog->show_dialog)
 683                                 manage_window_focus_out
 684                                         (inc_dialog->dialog->window,
 685                                          NULL, NULL);
 686                         if (inc_state == INC_NO_SPACE ||
 687                             inc_state == INC_IO_ERROR)
 688                                 break;
 689                 }
 690                 folder_item_free_cache(processing);
 691
 692                 inc_session_destroy(session);
 693                 inc_dialog->queue_list =
 694                         g_list_remove(inc_dialog->queue_list, session);
 695         }
 696
 697 #undef SET_PIXMAP_AND_TEXT
 698
 699         if (new_msgs > 0)
 700                 fin_msg = g_strdup_printf(ngettext("Finished (%d new message)",
 701                                                    "Finished (%d new messages)",
 702                                                    new_msgs), new_msgs);
 703         else
 704                 fin_msg = g_strdup_printf(_("Finished (no new messages)"));
 705
 706         progress_dialog_set_label(inc_dialog->dialog, fin_msg);
 707
 708         while (inc_dialog->queue_list != NULL) {
 709                 session = inc_dialog->queue_list->data;
 710                 inc_session_destroy(session);
 711                 inc_dialog->queue_list =
 712                         g_list_remove(inc_dialog->queue_list, session);
 713         }
 714
 715         if (prefs_common.close_recv_dialog || !inc_dialog->show_dialog)
 716                 inc_progress_dialog_destroy(inc_dialog);
 717         else {
 718                 gtk_window_set_title(GTK_WINDOW(inc_dialog->dialog->window),
 719                                      fin_msg);
 720                 gtk_button_set_label(GTK_BUTTON(inc_dialog->dialog->cancel_btn),
 721                                      GTK_STOCK_CLOSE);
 722         }
 723
 724         g_free(fin_msg);
 725
 726         return new_msgs;
 727 }
 728
 729 static IncState inc_pop3_session_do(IncSession *session)
 730 {
 731         Pop3Session *pop3_session = POP3_SESSION(session->session);
 732         IncProgressDialog *inc_dialog = (IncProgressDialog *)session->data;
 733         gchar *server;
 734         gushort port;
 735         gchar *buf;
 736
 737         debug_print("getting new messages of account %s...\n",
 738                     pop3_session->ac_prefs->account_name);
 739
 740         pop3_session->ac_prefs->last_pop_login_time = time(NULL);
 741
 742         buf = g_strdup_printf(_("%s: Retrieving new messages"),
 743                               pop3_session->ac_prefs->recv_server);
 744         gtk_window_set_title(GTK_WINDOW(inc_dialog->dialog->window), buf);
 745         g_free(buf);
 746
 747         server = pop3_session->ac_prefs->recv_server;
 748 #if USE_OPENSSL
 749         port = pop3_session->ac_prefs->set_popport ?
 750                 pop3_session->ac_prefs->popport :
 751                 pop3_session->ac_prefs->ssl_pop == SSL_TUNNEL ? 995 : 110;
 752         SESSION(pop3_session)->ssl_type = pop3_session->ac_prefs->ssl_pop;
 753         if (pop3_session->ac_prefs->ssl_pop != SSL_NONE)
 754                 SESSION(pop3_session)->nonblocking =
 755                         pop3_session->ac_prefs->use_nonblocking_ssl;
 756 #else
 757         if (pop3_session->ac_prefs->ssl_pop != SSL_NONE) {
 758                 if (alertpanel_full(_("Insecure connection"),
 759                         _("This connection is configured to be secured "
 760                           "using SSL, but SSL is not available in this "
 761                           "build of Sylpheed-Claws. \n\n"
 762                           "Do you want to continue connecting to this "
 763                           "server? The communication would not be "
 764                           "secure."),
 765                           GTK_STOCK_CANCEL, _("Con_tinue connecting"),
 766                           NULL, FALSE, NULL, ALERT_WARNING,
 767                           G_ALERTDEFAULT) != G_ALERTALTERNATE)
 768                         return INC_CANCEL;
 769         }
 770         port = pop3_session->ac_prefs->set_popport ?
 771                 pop3_session->ac_prefs->popport : 110;
 772 #endif
 773
 774         buf = g_strdup_printf(_("Connecting to POP3 server: %s..."), server);
 775         log_message("%s\n", buf);
 776
 777         progress_dialog_set_label(inc_dialog->dialog, buf);
 778         g_free(buf);
 779
 780         session_set_timeout(SESSION(pop3_session),
 781                             prefs_common.io_timeout_secs * 1000);
 782
 783         if (session_connect(SESSION(pop3_session), server, port) < 0) {
 784                 log_warning(_("Can't connect to POP3 server: %s:%d\n"),
 785                             server, port);
 786                 if(!prefs_common.no_recv_err_panel) {
 787                         if((prefs_common.recv_dialog_mode == RECV_DIALOG_ALWAYS) ||
 788                             ((prefs_common.recv_dialog_mode == RECV_DIALOG_MANUAL) && focus_window)) {
 789                                 manage_window_focus_in(inc_dialog->dialog->window, NULL, NULL);
 790                         }
 791                         alertpanel_error(_("Can't connect to POP3 server: %s:%d"),
 792                                          server, port);
 793                         manage_window_focus_out(inc_dialog->dialog->window, NULL, NULL);
 794                 }
 795                 session->inc_state = INC_CONNECT_ERROR;
 796                 statusbar_pop_all();
 797                 return INC_CONNECT_ERROR;
 798         }
 799
 800         while (session_is_connected(SESSION(pop3_session)) &&
 801                session->inc_state != INC_CANCEL)
 802                 gtk_main_iteration();
 803
 804         if (session->inc_state == INC_SUCCESS) {
 805                 switch (pop3_session->error_val) {
 806                 case PS_SUCCESS:
 807                         switch (SESSION(pop3_session)->state) {
 808                         case SESSION_ERROR:
 809                                 if (pop3_session->state == POP3_READY)
 810                                         session->inc_state = INC_CONNECT_ERROR;
 811                                 else
 812                                         session->inc_state = INC_ERROR;
 813                                 break;
 814                         case SESSION_EOF:
 815                                 session->inc_state = INC_EOF;
 816                                 break;
 817                         case SESSION_TIMEOUT:
 818                                 session->inc_state = INC_TIMEOUT;
 819                                 break;
 820                         default:
 821                                 session->inc_state = INC_SUCCESS;
 822                                 break;
 823                         }
 824                         break;
 825                 case PS_AUTHFAIL:
 826                         session->inc_state = INC_AUTH_FAILED;
 827                         break;
 828                 case PS_IOERR:
 829                         session->inc_state = INC_IO_ERROR;
 830                         break;
 831                 case PS_SOCKET:
 832                         session->inc_state = INC_SOCKET_ERROR;
 833                         break;
 834                 case PS_LOCKBUSY:
 835                         session->inc_state = INC_LOCKED;
 836                         break;
 837                 default:
 838                         session->inc_state = INC_ERROR;
 839                         break;
 840                 }
 841         }
 842
 843         session_disconnect(SESSION(pop3_session));
 844         statusbar_pop_all();
 845
 846         return session->inc_state;
 847 }
 848
 849 static void inc_progress_dialog_update(IncProgressDialog *inc_dialog,
 850                                        IncSession *inc_session)
 851 {
 852         inc_progress_dialog_set_label(inc_dialog, inc_session);
 853         inc_progress_dialog_set_progress(inc_dialog, inc_session);
 854 }
 855
 856 static void inc_progress_dialog_set_label(IncProgressDialog *inc_dialog,
 857                                           IncSession *inc_session)
 858 {
 859         ProgressDialog *dialog = inc_dialog->dialog;
 860         Pop3Session *session;
 861
 862         g_return_if_fail(inc_session != NULL);
 863
 864         session = POP3_SESSION(inc_session->session);
 865
 866         switch (session->state) {
 867         case POP3_GREETING:
 868                 break;
 869         case POP3_GETAUTH_USER:
 870         case POP3_GETAUTH_PASS:
 871         case POP3_GETAUTH_APOP:
 872                 progress_dialog_set_label(dialog, _("Authenticating..."));
 873                 statusbar_print_all(_("Retrieving messages from %s (%s) ..."),
 874                                     SESSION(session)->server,
 875                                     session->ac_prefs->account_name);
 876                 break;
 877         case POP3_GETRANGE_STAT:
 878                 progress_dialog_set_label
 879                         (dialog, _("Getting the number of new messages (STAT)..."));
 880                 break;
 881         case POP3_GETRANGE_LAST:
 882                 progress_dialog_set_label
 883                         (dialog, _("Getting the number of new messages (LAST)..."));
 884                 break;
 885         case POP3_GETRANGE_UIDL:
 886                 progress_dialog_set_label
 887                         (dialog, _("Getting the number of new messages (UIDL)..."));
 888                 break;
 889         case POP3_GETSIZE_LIST:
 890                 progress_dialog_set_label
 891                         (dialog, _("Getting the size of messages (LIST)..."));
 892                 break;
 893         case POP3_RETR:
 894         case POP3_RETR_RECV:
 895         case POP3_DELETE:
 896                 break;
 897         case POP3_LOGOUT:
 898                 progress_dialog_set_label(dialog, _("Quitting"));
 899                 break;
 900         default:
 901                 break;
 902         }
 903 }
 904
 905 static void inc_progress_dialog_set_progress(IncProgressDialog *inc_dialog,
 906                                              IncSession *inc_session)
 907 {
 908         gchar buf[MSGBUFSIZE];
 909         Pop3Session *pop3_session = POP3_SESSION(inc_session->session);
 910         gchar *total_size_str;
 911         gint cur_total;
 912         gint total;
 913
 914         if (!pop3_session->new_msg_exist) return;
 915
 916         cur_total = inc_session->cur_total_bytes;
 917         total = pop3_session->total_bytes;
 918         if (pop3_session->state == POP3_RETR ||
 919             pop3_session->state == POP3_RETR_RECV ||
 920             pop3_session->state == POP3_DELETE) {
 921                 Xstrdup_a(total_size_str, to_human_readable(total), return);
 922                 g_snprintf(buf, sizeof(buf),
 923                            _("Retrieving message (%d / %d) (%s / %s)"),
 924                            pop3_session->cur_msg, pop3_session->count,
 925                            to_human_readable(cur_total), total_size_str);
 926                 progress_dialog_set_label(inc_dialog->dialog, buf);
 927         }
 928
 929         progress_dialog_set_fraction
 930                 (inc_dialog->dialog, (total == 0) ? 0: (gfloat)cur_total / (gfloat)total);
 931
 932         g_snprintf(buf, sizeof(buf), "%d / %d",
 933                    pop3_session->cur_msg, pop3_session->count);
 934         gtk_progress_bar_set_text
 935                 (GTK_PROGRESS_BAR(inc_dialog->mainwin->progressbar), buf);
 936         gtk_progress_bar_set_fraction
 937                 (GTK_PROGRESS_BAR(inc_dialog->mainwin->progressbar),
 938                  (total == 0) ? 0 : (gfloat)cur_total / (gfloat)total);
 939
 940         if (pop3_session->cur_total_num > 0) {
 941                 g_snprintf(buf, sizeof(buf),
 942                            ngettext("Retrieving (%d message (%s) received)",
 943                                     "Retrieving (%d messages (%s) received)",
 944                                     pop3_session->cur_total_num),
 945                            pop3_session->cur_total_num,
 946                            to_human_readable
 947                            (pop3_session->cur_total_recv_bytes));
 948                 progress_dialog_list_set_status(inc_dialog->dialog,
 949                                                 inc_dialog->cur_row,
 950                                                 buf);
 951         }
 952 }
 953
 954 static void inc_progress_dialog_update_periodic(IncProgressDialog *inc_dialog,
 955                                                 IncSession *inc_session)
 956 {
 957         GTimeVal tv_cur;
 958         GTimeVal tv_result;
 959         gint msec;
 960
 961         g_get_current_time(&tv_cur);
 962
 963         tv_result.tv_sec = tv_cur.tv_sec - inc_dialog->progress_tv.tv_sec;
 964         tv_result.tv_usec = tv_cur.tv_usec - inc_dialog->progress_tv.tv_usec;
 965         if (tv_result.tv_usec < 0) {
 966                 tv_result.tv_sec--;
 967                 tv_result.tv_usec += G_USEC_PER_SEC;
 968         }
 969
 970         msec = tv_result.tv_sec * 1000 + tv_result.tv_usec / 1000;
 971         if (msec > PROGRESS_UPDATE_INTERVAL) {
 972                 inc_progress_dialog_update(inc_dialog, inc_session);
 973                 inc_dialog->progress_tv.tv_sec = tv_cur.tv_sec;
 974                 inc_dialog->progress_tv.tv_usec = tv_cur.tv_usec;
 975         }
 976 }
 977
 978 static gint inc_recv_data_progressive(Session *session, guint cur_len,
 979                                       guint total_len, gpointer data)
 980 {
 981         IncSession *inc_session = (IncSession *)data;
 982         Pop3Session *pop3_session = POP3_SESSION(session);
 983         IncProgressDialog *inc_dialog;
 984         gint cur_total;
 985
 986         g_return_val_if_fail(inc_session != NULL, -1);
 987
 988         if (pop3_session->state != POP3_RETR &&
 989             pop3_session->state != POP3_RETR_RECV &&
 990             pop3_session->state != POP3_DELETE &&
 991             pop3_session->state != POP3_LOGOUT) return 0;
 992
 993         if (!pop3_session->new_msg_exist) return 0;
 994
 995         cur_total = pop3_session->cur_total_bytes + cur_len;
 996         if (cur_total > pop3_session->total_bytes)
 997                 cur_total = pop3_session->total_bytes;
 998         inc_session->cur_total_bytes = cur_total;
 999
1000         inc_dialog = (IncProgressDialog *)inc_session->data;
1001         inc_progress_dialog_update_periodic(inc_dialog, inc_session);
1002
1003         return 0;
1004 }
1005
1006 static gint inc_recv_data_finished(Session *session, guint len, gpointer data)
1007 {
1008         IncSession *inc_session = (IncSession *)data;
1009         IncProgressDialog *inc_dialog;
1010
1011         g_return_val_if_fail(inc_session != NULL, -1);
1012
1013         inc_dialog = (IncProgressDialog *)inc_session->data;
1014
1015         inc_recv_data_progressive(session, 0, 0, inc_session);
1016
1017         if (POP3_SESSION(session)->state == POP3_LOGOUT) {
1018                 inc_progress_dialog_update(inc_dialog, inc_session);
1019         }
1020
1021         return 0;
1022 }
1023
1024 static gint inc_recv_message(Session *session, const gchar *msg, gpointer data)
1025 {
1026         IncSession *inc_session = (IncSession *)data;
1027         IncProgressDialog *inc_dialog;
1028
1029         g_return_val_if_fail(inc_session != NULL, -1);
1030
1031         inc_dialog = (IncProgressDialog *)inc_session->data;
1032
1033         switch (POP3_SESSION(session)->state) {
1034         case POP3_GETAUTH_USER:
1035         case POP3_GETAUTH_PASS:
1036         case POP3_GETAUTH_APOP:
1037         case POP3_GETRANGE_STAT:
1038         case POP3_GETRANGE_LAST:
1039         case POP3_GETRANGE_UIDL:
1040         case POP3_GETSIZE_LIST:
1041                 inc_progress_dialog_update(inc_dialog, inc_session);
1042                 break;
1043         case POP3_RETR:
1044                 inc_recv_data_progressive(session, 0, 0, inc_session);
1045                 break;
1046         case POP3_LOGOUT:
1047                 inc_progress_dialog_update(inc_dialog, inc_session);
1048                 break;
1049         default:
1050                 break;
1051         }
1052
1053         return 0;
1054 }
1055
1056 static gint inc_drop_message(Pop3Session *session, const gchar *file)
1057 {
1058         FolderItem *inbox;
1059         FolderItem *dropfolder;
1060         IncSession *inc_session = (IncSession *)(SESSION(session)->data);
1061         gint msgnum;
1062
1063         g_return_val_if_fail(inc_session != NULL, -1);
1064
1065         if (session->ac_prefs->inbox) {
1066                 inbox = folder_find_item_from_identifier
1067                         (session->ac_prefs->inbox);
1068                 if (!inbox)
1069                         inbox = folder_get_default_inbox();
1070         } else
1071                 inbox = folder_get_default_inbox();
1072         if (!inbox) {
1073                 g_unlink(file);
1074                 return -1;
1075         }
1076
1077         /* CLAWS: claws uses a global .processing folder for the filtering. */
1078         dropfolder = folder_get_default_processing();
1079
1080         /* add msg file to drop folder */
1081         if ((msgnum = folder_item_add_msg(
1082                         dropfolder, file, NULL, TRUE)) < 0) {
1083                 g_unlink(file);
1084                 return -1;
1085         }
1086
1087         return 0;
1088 }
1089
1090 static void inc_put_error(IncState istate, Pop3Session *session)
1091 {
1092         gchar *log_msg = NULL;
1093         gchar *err_msg = NULL;
1094         gboolean fatal_error = FALSE;
1095
1096         switch (istate) {
1097         case INC_CONNECT_ERROR:
1098                 log_msg = _("Connection failed.");
1099                 if (prefs_common.no_recv_err_panel)
1100                         break;
1101                 err_msg = g_strdup_printf(_("Connection to %s:%d failed."),
1102                                           SESSION(session)->server,
1103                                           SESSION(session)->port);
1104                 break;
1105         case INC_ERROR:
1106                 log_msg = _("Error occurred while processing mail.");
1107                 if (prefs_common.no_recv_err_panel)
1108                         break;
1109                 if (session->error_msg)
1110                         err_msg = g_strdup_printf
1111                                 (_("Error occurred while processing mail:\n%s"),
1112                                  session->error_msg);
1113                 else
1114                         err_msg = g_strdup(log_msg);
1115                 break;
1116         case INC_NO_SPACE:
1117                 log_msg = _("No disk space left.");
1118                 err_msg = g_strdup(log_msg);
1119                 fatal_error = TRUE;
1120                 break;
1121         case INC_IO_ERROR:
1122                 log_msg = _("Can't write file.");
1123                 err_msg = g_strdup(log_msg);
1124                 fatal_error = TRUE;
1125                 break;
1126         case INC_SOCKET_ERROR:
1127                 log_msg = _("Socket error.");
1128                 if (prefs_common.no_recv_err_panel)
1129                         break;
1130                 err_msg = g_strdup_printf(_("Socket error on connection to %s:%d."),
1131                                           SESSION(session)->server,
1132                                           SESSION(session)->port);
1133                 break;
1134         case INC_EOF:
1135                 log_msg = _("Connection closed by the remote host.");
1136                 if (prefs_common.no_recv_err_panel)
1137                         break;
1138                 err_msg = g_strdup_printf(_("Connection to %s:%d closed by the remote host."),
1139                                           SESSION(session)->server,
1140                                           SESSION(session)->port);
1141                 break;
1142         case INC_LOCKED:
1143                 log_msg = _("Mailbox is locked.");
1144                 if (prefs_common.no_recv_err_panel)
1145                         break;
1146                 if (session->error_msg)
1147                         err_msg = g_strdup_printf(_("Mailbox is locked:\n%s"),
1148                                                   session->error_msg);
1149                 else
1150                         err_msg = g_strdup(log_msg);
1151                 break;
1152         case INC_AUTH_FAILED:
1153                 log_msg = _("Authentication failed.");
1154                 if (prefs_common.no_recv_err_panel)
1155                         break;
1156                 if (session->error_msg)
1157                         err_msg = g_strdup_printf
1158                                 (_("Authentication failed:\n%s"), session->error_msg);
1159                 else
1160                         err_msg = g_strdup(log_msg);
1161                 break;
1162         case INC_TIMEOUT:
1163                 log_msg = _("Session timed out.");
1164                 if (prefs_common.no_recv_err_panel)
1165                         break;
1166                 err_msg = g_strdup_printf(_("Connection to %s:%d timed out."),
1167                                           SESSION(session)->server,
1168                                           SESSION(session)->port);
1169                 break;
1170         default:
1171                 break;
1172         }
1173
1174         if (log_msg) {
1175                 if (fatal_error)
1176                         log_error("%s\n", log_msg);
1177                 else
1178                         log_warning("%s\n", log_msg);
1179         }
1180         if (err_msg) {
1181                 alertpanel_error_log(err_msg);
1182                 g_free(err_msg);
1183         }
1184 }
1185
1186 static void inc_cancel(IncProgressDialog *dialog)
1187 {
1188         IncSession *session;
1189
1190         g_return_if_fail(dialog != NULL);
1191
1192         if (dialog->queue_list == NULL) {
1193                 inc_progress_dialog_destroy(dialog);
1194                 return;
1195         }
1196
1197         session = dialog->queue_list->data;
1198
1199         session->inc_state = INC_CANCEL;
1200
1201         log_message(_("Incorporation cancelled\n"));
1202 }
1203
1204 gboolean inc_is_active(void)
1205 {
1206         return (inc_dialog_list != NULL);
1207 }
1208
1209 void inc_cancel_all(void)
1210 {
1211         GList *cur;
1212
1213         for (cur = inc_dialog_list; cur != NULL; cur = cur->next)
1214                 inc_cancel((IncProgressDialog *)cur->data);
1215 }
1216
1217 static void inc_cancel_cb(GtkWidget *widget, gpointer data)
1218 {
1219         inc_cancel((IncProgressDialog *)data);
1220 }
1221
1222 static gint inc_dialog_delete_cb(GtkWidget *widget, GdkEventAny *event,
1223                                  gpointer data)
1224 {
1225         IncProgressDialog *dialog = (IncProgressDialog *)data;
1226
1227         if (dialog->queue_list == NULL)
1228                 inc_progress_dialog_destroy(dialog);
1229
1230         return TRUE;
1231 }
1232
1233 static gint inc_spool_account(PrefsAccount *account)
1234 {
1235         FolderItem *inbox;
1236         gchar *mbox;
1237         gint result;
1238
1239         if (account->local_inbox) {
1240                 inbox = folder_find_item_from_identifier(account->local_inbox);
1241                 if (!inbox)
1242                         inbox = folder_get_default_inbox();
1243         } else
1244                 inbox = folder_get_default_inbox();
1245
1246         if (is_file_exist(account->local_mbox))
1247                 mbox = g_strdup(account->local_mbox);
1248         else if (is_dir_exist(account->local_mbox))
1249                 mbox = g_strconcat(account->local_mbox, G_DIR_SEPARATOR_S,
1250                                    g_get_user_name(), NULL);
1251         else {
1252                 debug_print("%s: local mailbox not found.\n",
1253                             account->local_mbox);
1254                 return -1;
1255         }
1256
1257         result = get_spool(inbox, mbox);
1258         g_free(mbox);
1259
1260         statusbar_pop_all();
1261
1262         return result;
1263 }
1264
1265 static gint inc_all_spool(void)
1266 {
1267         GList *list = NULL;
1268         gint new_msgs = 0;
1269         gint account_new_msgs = 0;
1270
1271         list = account_get_list();
1272         if (!list) return 0;
1273
1274         for (; list != NULL; list = list->next) {
1275                 PrefsAccount *account = list->data;
1276
1277                 if ((account->protocol == A_LOCAL) &&
1278                     (account->recv_at_getall)) {
1279                         account_new_msgs = inc_spool_account(account);
1280                         if (account_new_msgs > 0)
1281                                 new_msgs += account_new_msgs;
1282                 }
1283         }
1284
1285         return new_msgs;
1286 }
1287
1288 static gint get_spool(FolderItem *dest, const gchar *mbox)
1289 {
1290         gint msgs, size;
1291         gint lockfd;
1292         gchar tmp_mbox[MAXPATHLEN + 1];
1293
1294         g_return_val_if_fail(dest != NULL, -1);
1295         g_return_val_if_fail(mbox != NULL, -1);
1296
1297         if (!is_file_exist(mbox) || (size = get_file_size(mbox)) == 0) {
1298                 debug_print("%s: no messages in local mailbox.\n", mbox);
1299                 return 0;
1300         } else if (size < 0)
1301                 return -1;
1302
1303         if ((lockfd = lock_mbox(mbox, LOCK_FLOCK)) < 0)
1304                 return -1;
1305
1306         g_snprintf(tmp_mbox, sizeof(tmp_mbox), "%s%ctmpmbox.%08x",
1307                    get_tmp_dir(), G_DIR_SEPARATOR, (gint)mbox);
1308
1309         if (copy_mbox(mbox, tmp_mbox) < 0) {
1310                 unlock_mbox(mbox, lockfd, LOCK_FLOCK);
1311                 return -1;
1312         }
1313
1314         debug_print("Getting new messages from %s into %s...\n",
1315                     mbox, dest->path);
1316
1317         msgs = proc_mbox(dest, tmp_mbox, TRUE);
1318
1319         g_unlink(tmp_mbox);
1320         if (msgs >= 0) empty_mbox(mbox);
1321         unlock_mbox(mbox, lockfd, LOCK_FLOCK);
1322
1323         return msgs;
1324 }
1325
1326 void inc_lock(void)
1327 {
1328         inc_lock_count++;
1329 }
1330
1331 void inc_unlock(void)
1332 {
1333         if (inc_lock_count > 0)
1334                 inc_lock_count--;
1335 }
1336
1337 static guint autocheck_timer = 0;
1338 static gpointer autocheck_data = NULL;
1339
1340 static void inc_notify_cmd(gint new_msgs, gboolean notify)
1341 {
1342
1343         gchar *buf, *numpos, *ret_str;
1344         gssize by_read = 0, by_written = 0;
1345
1346         if (!(new_msgs && notify && prefs_common.newmail_notify_cmd &&
1347             *prefs_common.newmail_notify_cmd))
1348                      return;
1349         buf = g_strdup(prefs_common.newmail_notify_cmd);
1350         if ((numpos = strstr(buf, "%d")) != NULL) {
1351                 gchar *buf2;
1352
1353                 *numpos = '\0';
1354                 buf2 = g_strdup_printf("%s%d%s", buf, new_msgs, numpos + 2);
1355                 g_free(buf);
1356                 buf = buf2;
1357         }
1358
1359         ret_str = g_locale_from_utf8(buf, strlen(buf), &by_read, &by_written,
1360                                      NULL);
1361         if (ret_str && by_written) {
1362                 g_free(buf);
1363                 buf = ret_str;
1364         }
1365         debug_print("executing new mail notification command: %s\n", buf);
1366         execute_command_line(buf, TRUE);
1367
1368         g_free(buf);
1369 }
1370
1371 void inc_autocheck_timer_init(MainWindow *mainwin)
1372 {
1373         autocheck_data = mainwin;
1374         inc_autocheck_timer_set();
1375 }
1376
1377 static void inc_autocheck_timer_set_interval(guint interval)
1378 {
1379         inc_autocheck_timer_remove();
1380         /* last test is to avoid re-enabling auto_check after modifying
1381            the common preferences */
1382         if (prefs_common.autochk_newmail && autocheck_data
1383             && prefs_common.work_offline == FALSE) {
1384                 autocheck_timer = gtk_timeout_add
1385                         (interval, inc_autocheck_func, autocheck_data);
1386                 debug_print("added timer = %d\n", autocheck_timer);
1387         }
1388 }
1389
1390 void inc_autocheck_timer_set(void)
1391 {
1392         inc_autocheck_timer_set_interval(prefs_common.autochk_itv * 60000);
1393 }
1394
1395 void inc_autocheck_timer_remove(void)
1396 {
1397         if (autocheck_timer) {
1398                 debug_print("removed timer = %d\n", autocheck_timer);
1399                 gtk_timeout_remove(autocheck_timer);
1400                 autocheck_timer = 0;
1401         }
1402 }
1403
1404 static gint inc_autocheck_func(gpointer data)
1405 {
1406         MainWindow *mainwin = (MainWindow *)data;
1407
1408         if (inc_lock_count) {
1409                 debug_print("autocheck is locked.\n");
1410                 inc_autocheck_timer_set_interval(1000);
1411                 return FALSE;
1412         }
1413
1414         inc_all_account_mail(mainwin, TRUE, prefs_common.newmail_notify_auto);
1415
1416         return FALSE;
1417 }
1418
1419 gboolean inc_offline_should_override(const gchar *msg)
1420 {
1421         static time_t overridden_yes = 0;
1422         static time_t overridden_no  = 0;
1423         int length = 10; /* minutes */
1424         gint answer = G_ALERTDEFAULT;
1425
1426         if (prefs_common.autochk_newmail)
1427                 length = prefs_common.autochk_itv; /* minutes */
1428
1429         if (prefs_common.work_offline) {
1430                 gchar *tmp = NULL;
1431
1432                 if (time(NULL) - overridden_yes < length * 60) /* seconds */
1433                          return TRUE;
1434                 else if (time(NULL) - overridden_no < 3) /* seconds */
1435                          return FALSE;
1436
1437                 tmp = g_strdup_printf(
1438                                 _("%s%sYou're working offline. Override for %d minutes?"),
1439                                 msg?msg:"",
1440                                 msg?"\n\n":"",
1441                                 length);
1442
1443                 answer = alertpanel(_("Offline warning"),
1444                                tmp,
1445                                GTK_STOCK_NO, "+" GTK_STOCK_YES, _("On_ly once"));
1446                 g_free(tmp);
1447                 if (answer == G_ALERTALTERNATE) {
1448                         overridden_yes = time(NULL);
1449                         return TRUE;
1450                 } else if (answer == G_ALERTDEFAULT) {
1451                         overridden_no  = time(NULL);
1452                         return FALSE;
1453                 } else {
1454                         overridden_yes = (time_t)0;
1455                         overridden_no  = (time_t)0;
1456                         return TRUE;
1457                 }
1458         }
1459         return TRUE;
1460 }