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 "msgcache.h"
  54 #include "manage_window.h"
  55 #include "stock_pixmap.h"
  56 #include "progressdialog.h"
  57 #include "inputdialog.h"
  58 #include "alertpanel.h"
  59 #include "folder.h"
  60 #include "filtering.h"
  61 #include "log.h"
  62 #include "hooks.h"
  63
  64 static GList *inc_dialog_list = NULL;
  65
  66 static guint inc_lock_count = 0;
  67
  68 static GdkPixbuf *currentpix;
  69 static GdkPixbuf *errorpix;
  70 static GdkPixbuf *okpix;
  71
  72 #define MSGBUFSIZE      8192
  73
  74 static void inc_finished                (MainWindow             *mainwin,
  75                                          gboolean                new_messages);
  76 static gint inc_account_mail_real       (MainWindow             *mainwin,
  77                                          PrefsAccount           *account);
  78
  79 static IncProgressDialog *inc_progress_dialog_create
  80                                         (gboolean                autocheck);
  81 static void inc_progress_dialog_set_list(IncProgressDialog      *inc_dialog);
  82 static void inc_progress_dialog_destroy (IncProgressDialog      *inc_dialog);
  83
  84 static IncSession *inc_session_new      (PrefsAccount           *account);
  85 static void inc_session_destroy         (IncSession             *session);
  86 static gint inc_start                   (IncProgressDialog      *inc_dialog);
  87 static IncState inc_pop3_session_do     (IncSession             *session);
  88
  89 static void inc_progress_dialog_update  (IncProgressDialog      *inc_dialog,
  90                                          IncSession             *inc_session);
  91
  92 static void inc_progress_dialog_set_label
  93                                         (IncProgressDialog      *inc_dialog,
  94                                          IncSession             *inc_session);
  95 static void inc_progress_dialog_set_progress
  96                                         (IncProgressDialog      *inc_dialog,
  97                                          IncSession             *inc_session);
  98
  99 static void inc_progress_dialog_update_periodic
 100                                         (IncProgressDialog      *inc_dialog,
 101                                          IncSession             *inc_session);
 102
 103 static gint inc_recv_data_progressive   (Session        *session,
 104                                          guint           cur_len,
 105                                          guint           total_len,
 106                                          gpointer        data);
 107 static gint inc_recv_data_finished      (Session        *session,
 108                                          guint           len,
 109                                          gpointer        data);
 110 static gint inc_recv_message            (Session        *session,
 111                                          const gchar    *msg,
 112                                          gpointer        data);
 113 static gint inc_drop_message            (Pop3Session    *session,
 114                                          const gchar    *file);
 115
 116 static void inc_put_error               (IncState        istate,
 117                                          Pop3Session    *session);
 118
 119 static void inc_cancel_cb               (GtkWidget      *widget,
 120                                          gpointer        data);
 121 static gint inc_dialog_delete_cb        (GtkWidget      *widget,
 122                                          GdkEventAny    *event,
 123                                          gpointer        data);
 124
 125 static gint get_spool                   (FolderItem     *dest,
 126                                          const gchar    *mbox,
 127                                          PrefsAccount   *account);
 128
 129 static gint inc_spool_account(PrefsAccount *account);
 130 static gint inc_all_spool(void);
 131 static void inc_autocheck_timer_set_interval    (guint           interval);
 132 static gint inc_autocheck_func                  (gpointer        data);
 133
 134 static void inc_notify_cmd              (gint new_msgs,
 135                                          gboolean notify);
 136
 137 /**
 138  * inc_finished:
 139  * @mainwin: Main window.
 140  * @new_messages: TRUE if some messages have been received.
 141  *
 142  * Update the folder view and the summary view after receiving
 143  * messages.  If @new_messages is FALSE, this function avoids unneeded
 144  * updating.
 145  **/
 146 static void inc_finished(MainWindow *mainwin, gboolean new_messages)
 147 {
 148         FolderItem *item;
 149
 150         if (prefs_common.scan_all_after_inc)
 151                 folderview_check_new(NULL);
 152
 153         if (!new_messages && !prefs_common.scan_all_after_inc) return;
 154
 155         if (prefs_common.open_inbox_on_inc) {
 156                 item = cur_account && cur_account->inbox
 157                         ? folder_find_item_from_identifier(cur_account->inbox)
 158                         : folder_get_default_inbox();
 159                 folderview_unselect(mainwin->folderview);
 160                 folderview_select(mainwin->folderview, item);
 161         }
 162 }
 163
 164 void inc_mail(MainWindow *mainwin, gboolean notify)
 165 {
 166         gint new_msgs = 0;
 167         gint account_new_msgs = 0;
 168
 169         if (inc_lock_count) return;
 170
 171         if (prefs_common.work_offline &&
 172             !inc_offline_should_override(
 173                 _("Sylpheed-Claws needs network access in order "
 174                   "to get mails.")))
 175                 return;
 176
 177         inc_lock();
 178         inc_autocheck_timer_remove();
 179         main_window_lock(mainwin);
 180
 181         if (prefs_common.use_extinc && prefs_common.extinc_cmd) {
 182                 /* external incorporating program */
 183                 if (execute_command_line(prefs_common.extinc_cmd, FALSE) < 0) {
 184                         main_window_unlock(mainwin);
 185                         inc_autocheck_timer_set();
 186                         return;
 187                 }
 188         } else {
 189                 account_new_msgs = inc_account_mail_real(mainwin, cur_account);
 190                 if (account_new_msgs > 0)
 191                         new_msgs += account_new_msgs;
 192         }
 193
 194         inc_finished(mainwin, new_msgs > 0);
 195         main_window_unlock(mainwin);
 196         inc_notify_cmd(new_msgs, notify);
 197         inc_autocheck_timer_set();
 198         inc_unlock();
 199 }
 200
 201 void inc_pop_before_smtp(PrefsAccount *acc)
 202 {
 203         IncProgressDialog *inc_dialog;
 204         IncSession *session;
 205         MainWindow *mainwin;
 206
 207         mainwin = mainwindow_get_mainwindow();
 208
 209         session = inc_session_new(acc);
 210         if (!session) return;
 211         POP3_SESSION(session->session)->pop_before_smtp = TRUE;
 212
 213         inc_dialog = inc_progress_dialog_create(FALSE);
 214         inc_dialog->queue_list = g_list_append(inc_dialog->queue_list,
 215                                                session);
 216         /* FIXME: assumes to attach to first main window */
 217         inc_dialog->mainwin = mainwin;
 218         inc_progress_dialog_set_list(inc_dialog);
 219
 220         if (mainwin) {
 221                 toolbar_main_set_sensitive(mainwin);
 222                 main_window_set_menu_sensitive(mainwin);
 223         }
 224
 225         inc_start(inc_dialog);
 226 }
 227
 228 static gint inc_account_mail_real(MainWindow *mainwin, PrefsAccount *account)
 229 {
 230         IncProgressDialog *inc_dialog;
 231         IncSession *session;
 232
 233         switch (account->protocol) {
 234         case A_IMAP4:
 235         case A_NNTP:
 236                 /* Melvin: bug [14]
 237                  * FIXME: it should return foldeview_check_new() value.
 238                  * TODO: do it when bug [19] is fixed (IMAP folder sets
 239                  * an incorrect new message count)
 240                  */
 241                 folderview_check_new(FOLDER(account->folder));
 242                 return 0;
 243         case A_POP3:
 244         case A_APOP:
 245                 session = inc_session_new(account);
 246                 if (!session) return 0;
 247
 248                 inc_dialog = inc_progress_dialog_create(FALSE);
 249                 inc_dialog->queue_list = g_list_append(inc_dialog->queue_list,
 250                                                        session);
 251                 inc_dialog->mainwin = mainwin;
 252                 inc_progress_dialog_set_list(inc_dialog);
 253
 254                 if (mainwin) {
 255                         toolbar_main_set_sensitive(mainwin);
 256                         main_window_set_menu_sensitive(mainwin);
 257                 }
 258
 259                 return inc_start(inc_dialog);
 260
 261         case A_LOCAL:
 262                 return inc_spool_account(account);
 263
 264         default:
 265                 break;
 266         }
 267         return 0;
 268 }
 269
 270 gint inc_account_mail(MainWindow *mainwin, PrefsAccount *account)
 271 {
 272         gint new_msgs;
 273
 274         if (inc_lock_count) return 0;
 275
 276         if (prefs_common.work_offline &&
 277             !inc_offline_should_override(
 278                 _("Sylpheed-Claws needs network access in order "
 279                   "to get mails.")))
 280                 return 0;
 281
 282         inc_autocheck_timer_remove();
 283         main_window_lock(mainwin);
 284
 285         new_msgs = inc_account_mail_real(mainwin, account);
 286
 287         inc_finished(mainwin, new_msgs > 0);
 288         main_window_unlock(mainwin);
 289         inc_autocheck_timer_set();
 290
 291         return new_msgs;
 292 }
 293
 294 void inc_all_account_mail(MainWindow *mainwin, gboolean autocheck,
 295                           gboolean notify)
 296 {
 297         GList *list, *queue_list = NULL;
 298         IncProgressDialog *inc_dialog;
 299         gint new_msgs = 0;
 300         gint account_new_msgs = 0;
 301
 302         if (prefs_common.work_offline &&
 303             !inc_offline_should_override(
 304                 _("Sylpheed-Claws needs network access in order "
 305                   "to get mails.")))
 306                 return;
 307
 308         if (inc_lock_count) return;
 309
 310         inc_autocheck_timer_remove();
 311         main_window_lock(mainwin);
 312
 313         list = account_get_list();
 314         if (!list) {
 315                 inc_finished(mainwin, new_msgs > 0);
 316                 main_window_unlock(mainwin);
 317                 inc_notify_cmd(new_msgs, notify);
 318                 inc_autocheck_timer_set();
 319                 return;
 320         }
 321
 322         /* check local folders */
 323         account_new_msgs = inc_all_spool();
 324         if (account_new_msgs > 0)
 325                 new_msgs += account_new_msgs;
 326
 327         /* check IMAP4 / News folders */
 328         for (list = account_get_list(); list != NULL; list = list->next) {
 329                 PrefsAccount *account = list->data;
 330                 if ((account->protocol == A_IMAP4 ||
 331                      account->protocol == A_NNTP) && account->recv_at_getall) {
 332                         new_msgs += folderview_check_new(FOLDER(account->folder));
 333                 }
 334         }
 335
 336         /* check POP3 accounts */
 337         for (list = account_get_list(); list != NULL; list = list->next) {
 338                 IncSession *session;
 339                 PrefsAccount *account = list->data;
 340
 341                 if (account->recv_at_getall) {
 342                         session = inc_session_new(account);
 343                         if (session)
 344                                 queue_list = g_list_append(queue_list, session);
 345                 }
 346         }
 347
 348         if (queue_list) {
 349                 inc_dialog = inc_progress_dialog_create(autocheck);
 350                 inc_dialog->queue_list = queue_list;
 351                 inc_dialog->mainwin = mainwin;
 352                 inc_progress_dialog_set_list(inc_dialog);
 353
 354                 toolbar_main_set_sensitive(mainwin);
 355                 main_window_set_menu_sensitive(mainwin);
 356                 new_msgs += inc_start(inc_dialog);
 357         }
 358
 359         inc_finished(mainwin, new_msgs > 0);
 360         main_window_unlock(mainwin);
 361         inc_notify_cmd(new_msgs, notify);
 362         inc_autocheck_timer_set();
 363 }
 364
 365 static IncProgressDialog *inc_progress_dialog_create(gboolean autocheck)
 366 {
 367         IncProgressDialog *dialog;
 368         ProgressDialog *progress;
 369
 370         dialog = g_new0(IncProgressDialog, 1);
 371
 372         progress = progress_dialog_create();
 373         gtk_window_set_title(GTK_WINDOW(progress->window),
 374                              _("Retrieving new messages"));
 375         g_signal_connect(G_OBJECT(progress->cancel_btn), "clicked",
 376                          G_CALLBACK(inc_cancel_cb), dialog);
 377         g_signal_connect(G_OBJECT(progress->window), "delete_event",
 378                          G_CALLBACK(inc_dialog_delete_cb), dialog);
 379         /* manage_window_set_transient(GTK_WINDOW(progress->window)); */
 380
 381         progress_dialog_get_fraction(progress);
 382
 383         stock_pixbuf_gdk(progress->treeview, STOCK_PIXMAP_COMPLETE,
 384                          &okpix);
 385         stock_pixbuf_gdk(progress->treeview, STOCK_PIXMAP_CONTINUE,
 386                          &currentpix);
 387         stock_pixbuf_gdk(progress->treeview, STOCK_PIXMAP_ERROR,
 388                          &errorpix);
 389
 390         if (prefs_common.recv_dialog_mode == RECV_DIALOG_ALWAYS ||
 391             (prefs_common.recv_dialog_mode == RECV_DIALOG_MANUAL &&
 392              !autocheck)) {
 393                 dialog->show_dialog = TRUE;
 394                 gtk_widget_show_now(progress->window);
 395         }
 396
 397         dialog->dialog = progress;
 398         g_get_current_time(&dialog->progress_tv);
 399         g_get_current_time(&dialog->folder_tv);
 400         dialog->queue_list = NULL;
 401         dialog->cur_row = 0;
 402
 403         inc_dialog_list = g_list_append(inc_dialog_list, dialog);
 404
 405         return dialog;
 406 }
 407
 408 static void inc_progress_dialog_set_list(IncProgressDialog *inc_dialog)
 409 {
 410         GList *list;
 411
 412         for (list = inc_dialog->queue_list; list != NULL; list = list->next) {
 413                 IncSession *session = list->data;
 414                 Pop3Session *pop3_session = POP3_SESSION(session->session);
 415
 416                 session->data = inc_dialog;
 417
 418                 progress_dialog_list_set(inc_dialog->dialog,
 419                                          -1, NULL,
 420                                          pop3_session->ac_prefs->account_name,
 421                                          _("Standby"));
 422         }
 423 }
 424
 425 static void inc_progress_dialog_clear(IncProgressDialog *inc_dialog)
 426 {
 427         progress_dialog_get_fraction(inc_dialog->dialog);
 428         progress_dialog_set_label(inc_dialog->dialog, "");
 429         if (inc_dialog->mainwin)
 430                 main_window_progress_off(inc_dialog->mainwin);
 431 }
 432
 433 static void inc_progress_dialog_destroy(IncProgressDialog *inc_dialog)
 434 {
 435         g_return_if_fail(inc_dialog != NULL);
 436
 437         inc_dialog_list = g_list_remove(inc_dialog_list, inc_dialog);
 438
 439         if (inc_dialog->mainwin)
 440                 main_window_progress_off(inc_dialog->mainwin);
 441         progress_dialog_destroy(inc_dialog->dialog);
 442
 443         g_free(inc_dialog);
 444 }
 445
 446 static IncSession *inc_session_new(PrefsAccount *account)
 447 {
 448         IncSession *session;
 449
 450         g_return_val_if_fail(account != NULL, NULL);
 451
 452         if (account->protocol != A_POP3)
 453                 return NULL;
 454         if (!account->recv_server || !account->userid)
 455                 return NULL;
 456
 457         session = g_new0(IncSession, 1);
 458
 459         session->session = pop3_session_new(account);
 460         session->session->data = session;
 461         POP3_SESSION(session->session)->drop_message = inc_drop_message;
 462         session_set_recv_message_notify(session->session,
 463                                         inc_recv_message, session);
 464         session_set_recv_data_progressive_notify(session->session,
 465                                                  inc_recv_data_progressive,
 466                                                  session);
 467         session_set_recv_data_notify(session->session,
 468                                      inc_recv_data_finished, session);
 469
 470         return session;
 471 }
 472
 473 static void inc_session_destroy(IncSession *session)
 474 {
 475         g_return_if_fail(session != NULL);
 476
 477         session_destroy(session->session);
 478         g_free(session);
 479 }
 480
 481 static gint inc_start(IncProgressDialog *inc_dialog)
 482 {
 483         IncSession *session;
 484         GList *qlist;
 485         Pop3Session *pop3_session;
 486         IncState inc_state;
 487         gint error_num = 0;
 488         gint new_msgs = 0;
 489         gchar *msg;
 490         gchar *fin_msg;
 491         FolderItem *processing, *inbox;
 492         GSList *msglist, *msglist_element;
 493         gboolean cancelled = FALSE;
 494
 495         qlist = inc_dialog->queue_list;
 496         while (qlist != NULL) {
 497                 GList *next = qlist->next;
 498
 499                 session = qlist->data;
 500                 pop3_session = POP3_SESSION(session->session);
 501                 pop3_session->user = g_strdup(pop3_session->ac_prefs->userid);
 502                 if (pop3_session->ac_prefs->passwd)
 503                         pop3_session->pass =
 504                                 g_strdup(pop3_session->ac_prefs->passwd);
 505                 else if (pop3_session->ac_prefs->tmp_pass)
 506                         pop3_session->pass =
 507                                 g_strdup(pop3_session->ac_prefs->tmp_pass);
 508                 else {
 509                         gchar *pass;
 510
 511                         if (inc_dialog->show_dialog)
 512                                 manage_window_focus_in
 513                                         (inc_dialog->dialog->window,
 514                                          NULL, NULL);
 515
 516                         pass = input_dialog_query_password
 517                                 (pop3_session->ac_prefs->recv_server,
 518                                  pop3_session->user);
 519
 520                         if (inc_dialog->show_dialog)
 521                                 manage_window_focus_out
 522                                         (inc_dialog->dialog->window,
 523                                          NULL, NULL);
 524
 525                         if (pass) {
 526                                 pop3_session->ac_prefs->tmp_pass =
 527                                         g_strdup(pass);
 528                                 pop3_session->pass = pass;
 529                         }
 530                 }
 531
 532                 qlist = next;
 533         }
 534
 535 #define SET_PIXMAP_AND_TEXT(pix, str)                                      \
 536 {                                                                          \
 537         progress_dialog_list_set(inc_dialog->dialog,                       \
 538                                  inc_dialog->cur_row,                      \
 539                                  pix,                                      \
 540                                  NULL,                                     \
 541                                  str);                                     \
 542 }
 543
 544         for (; inc_dialog->queue_list != NULL && !cancelled; inc_dialog->cur_row++) {
 545                 session = inc_dialog->queue_list->data;
 546                 pop3_session = POP3_SESSION(session->session);
 547                 GSList *filtered, *unfiltered;
 548
 549                 if (pop3_session->pass == NULL) {
 550                         SET_PIXMAP_AND_TEXT(okpix, _("Cancelled"));
 551                         inc_session_destroy(session);
 552                         inc_dialog->queue_list =
 553                                 g_list_remove(inc_dialog->queue_list, session);
 554                         continue;
 555                 }
 556
 557                 inc_progress_dialog_clear(inc_dialog);
 558                 progress_dialog_scroll_to_row(inc_dialog->dialog,
 559                                               inc_dialog->cur_row);
 560
 561                 SET_PIXMAP_AND_TEXT(currentpix, _("Retrieving"));
 562
 563                 /* begin POP3 session */
 564                 inc_state = inc_pop3_session_do(session);
 565
 566                 switch (inc_state) {
 567                 case INC_SUCCESS:
 568                         if (pop3_session->cur_total_num > 0)
 569                                 msg = g_strdup_printf(
 570                                         ngettext("Done (%d message (%s) received)",
 571                                                  "Done (%d messages (%s) received)",
 572                                          pop3_session->cur_total_num),
 573                                          pop3_session->cur_total_num,
 574                                          to_human_readable(pop3_session->cur_total_recv_bytes));
 575                         else
 576                                 msg = g_strdup_printf(_("Done (no new messages)"));
 577                         SET_PIXMAP_AND_TEXT(okpix, msg);
 578                         g_free(msg);
 579                         break;
 580                 case INC_CONNECT_ERROR:
 581                         SET_PIXMAP_AND_TEXT(errorpix, _("Connection failed"));
 582                         break;
 583                 case INC_AUTH_FAILED:
 584                         SET_PIXMAP_AND_TEXT(errorpix, _("Auth failed"));
 585                         break;
 586                 case INC_LOCKED:
 587                         SET_PIXMAP_AND_TEXT(errorpix, _("Locked"));
 588                         break;
 589                 case INC_ERROR:
 590                 case INC_NO_SPACE:
 591                 case INC_IO_ERROR:
 592                 case INC_SOCKET_ERROR:
 593                 case INC_EOF:
 594                         SET_PIXMAP_AND_TEXT(errorpix, _("Error"));
 595                         break;
 596                 case INC_TIMEOUT:
 597                         SET_PIXMAP_AND_TEXT(errorpix, _("Timeout"));
 598                         break;
 599                 case INC_CANCEL:
 600                         SET_PIXMAP_AND_TEXT(okpix, _("Cancelled"));
 601                         if (!inc_dialog->show_dialog)
 602                                 cancelled = TRUE;
 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
 634                 procmsg_msglist_filter(msglist, pop3_session->ac_prefs,
 635                                 &filtered, &unfiltered,
 636                                 pop3_session->ac_prefs->filter_on_recv);
 637
 638                 if (filtered != NULL)
 639                         filtering_move_and_copy_msgs(filtered);
 640                 if (unfiltered != NULL)
 641                         folder_item_move_msgs(inbox, unfiltered);
 642
 643                 for(msglist_element = msglist; msglist_element != NULL;
 644                     msglist_element = msglist_element->next) {
 645                         MsgInfo *msginfo = (MsgInfo *)msglist_element->data;
 646                         procmsg_msginfo_free(msginfo);
 647                 }
 648                 folder_item_update_thaw();
 649
 650                 g_slist_free(msglist);
 651                 g_slist_free(filtered);
 652                 g_slist_free(unfiltered);
 653
 654                 statusbar_pop_all();
 655
 656                 new_msgs += pop3_session->cur_total_num;
 657
 658                 if (pop3_session->error_val == PS_AUTHFAIL &&
 659                     pop3_session->ac_prefs->tmp_pass) {
 660                         g_free(pop3_session->ac_prefs->tmp_pass);
 661                         pop3_session->ac_prefs->tmp_pass = NULL;
 662                 }
 663
 664                 pop3_write_uidl_list(pop3_session);
 665
 666                 if (inc_state != INC_SUCCESS && inc_state != INC_CANCEL) {
 667                         error_num++;
 668                         if (inc_dialog->show_dialog)
 669                                 manage_window_focus_in
 670                                         (inc_dialog->dialog->window,
 671                                          NULL, NULL);
 672                         inc_put_error(inc_state, pop3_session);
 673                         if (inc_dialog->show_dialog)
 674                                 manage_window_focus_out
 675                                         (inc_dialog->dialog->window,
 676                                          NULL, NULL);
 677                         if (inc_state == INC_NO_SPACE ||
 678                             inc_state == INC_IO_ERROR)
 679                                 break;
 680                 }
 681                 folder_item_free_cache(processing, TRUE);
 682
 683                 inc_session_destroy(session);
 684                 inc_dialog->queue_list =
 685                         g_list_remove(inc_dialog->queue_list, session);
 686         }
 687
 688 #undef SET_PIXMAP_AND_TEXT
 689
 690         if (new_msgs > 0)
 691                 fin_msg = g_strdup_printf(ngettext("Finished (%d new message)",
 692                                                    "Finished (%d new messages)",
 693                                                    new_msgs), new_msgs);
 694         else
 695                 fin_msg = g_strdup_printf(_("Finished (no new messages)"));
 696
 697         progress_dialog_set_label(inc_dialog->dialog, fin_msg);
 698
 699         while (inc_dialog->queue_list != NULL) {
 700                 session = inc_dialog->queue_list->data;
 701                 inc_session_destroy(session);
 702                 inc_dialog->queue_list =
 703                         g_list_remove(inc_dialog->queue_list, session);
 704         }
 705
 706         if (prefs_common.close_recv_dialog || !inc_dialog->show_dialog)
 707                 inc_progress_dialog_destroy(inc_dialog);
 708         else {
 709                 gtk_window_set_title(GTK_WINDOW(inc_dialog->dialog->window),
 710                                      fin_msg);
 711                 gtk_button_set_label(GTK_BUTTON(inc_dialog->dialog->cancel_btn),
 712                                      GTK_STOCK_CLOSE);
 713         }
 714
 715         g_free(fin_msg);
 716
 717         return new_msgs;
 718 }
 719
 720 static IncState inc_pop3_session_do(IncSession *session)
 721 {
 722         Pop3Session *pop3_session = POP3_SESSION(session->session);
 723         IncProgressDialog *inc_dialog = (IncProgressDialog *)session->data;
 724         gchar *server;
 725         gushort port;
 726         gchar *buf;
 727
 728         debug_print("getting new messages of account %s...\n",
 729                     pop3_session->ac_prefs->account_name);
 730
 731         pop3_session->ac_prefs->last_pop_login_time = time(NULL);
 732
 733         buf = g_strdup_printf(_("%s: Retrieving new messages"),
 734                               pop3_session->ac_prefs->recv_server);
 735         gtk_window_set_title(GTK_WINDOW(inc_dialog->dialog->window), buf);
 736         g_free(buf);
 737
 738         server = pop3_session->ac_prefs->recv_server;
 739 #if USE_OPENSSL
 740         port = pop3_session->ac_prefs->set_popport ?
 741                 pop3_session->ac_prefs->popport :
 742                 pop3_session->ac_prefs->ssl_pop == SSL_TUNNEL ? 995 : 110;
 743         SESSION(pop3_session)->ssl_type = pop3_session->ac_prefs->ssl_pop;
 744         if (pop3_session->ac_prefs->ssl_pop != SSL_NONE)
 745                 SESSION(pop3_session)->nonblocking =
 746                         pop3_session->ac_prefs->use_nonblocking_ssl;
 747 #else
 748         if (pop3_session->ac_prefs->ssl_pop != SSL_NONE) {
 749                 if (alertpanel_full(_("Insecure connection"),
 750                         _("This connection is configured to be secured "
 751                           "using SSL, but SSL is not available in this "
 752                           "build of Sylpheed-Claws. \n\n"
 753                           "Do you want to continue connecting to this "
 754                           "server? The communication would not be "
 755                           "secure."),
 756                           GTK_STOCK_CANCEL, _("Con_tinue connecting"),
 757                           NULL, FALSE, NULL, ALERT_WARNING,
 758                           G_ALERTDEFAULT) != G_ALERTALTERNATE)
 759                         return INC_CANCEL;
 760         }
 761         port = pop3_session->ac_prefs->set_popport ?
 762                 pop3_session->ac_prefs->popport : 110;
 763 #endif
 764
 765         buf = g_strdup_printf(_("Connecting to POP3 server: %s..."), server);
 766         statusbar_print_all("%s", buf);
 767         log_message("%s\n", buf);
 768
 769         progress_dialog_set_label(inc_dialog->dialog, buf);
 770         GTK_EVENTS_FLUSH();
 771         g_free(buf);
 772
 773         session_set_timeout(SESSION(pop3_session),
 774                             prefs_common.io_timeout_secs * 1000);
 775
 776         if (session_connect(SESSION(pop3_session), server, port) < 0) {
 777                 if(!prefs_common.no_recv_err_panel) {
 778                         if((prefs_common.recv_dialog_mode == RECV_DIALOG_ALWAYS) ||
 779                             ((prefs_common.recv_dialog_mode == RECV_DIALOG_MANUAL) && focus_window)) {
 780                                 manage_window_focus_in(inc_dialog->dialog->window, NULL, NULL);
 781                         }
 782                         alertpanel_error(_("Can't connect to POP3 server: %s:%d"),
 783                                          server, port);
 784                         manage_window_focus_out(inc_dialog->dialog->window, NULL, NULL);
 785                 } else {
 786                         log_error(_("Can't connect to POP3 server: %s:%d\n"),
 787                             server, port);
 788                 }
 789                 session->inc_state = INC_CONNECT_ERROR;
 790                 statusbar_pop_all();
 791                 return INC_CONNECT_ERROR;
 792         }
 793
 794         while (session_is_connected(SESSION(pop3_session)) &&
 795                session->inc_state != INC_CANCEL)
 796                 gtk_main_iteration();
 797
 798         if (session->inc_state == INC_SUCCESS) {
 799                 switch (pop3_session->error_val) {
 800                 case PS_SUCCESS:
 801                         switch (SESSION(pop3_session)->state) {
 802                         case SESSION_ERROR:
 803                                 if (pop3_session->state == POP3_READY)
 804                                         session->inc_state = INC_CONNECT_ERROR;
 805                                 else
 806                                         session->inc_state = INC_ERROR;
 807                                 break;
 808                         case SESSION_EOF:
 809                                 session->inc_state = INC_EOF;
 810                                 break;
 811                         case SESSION_TIMEOUT:
 812                                 session->inc_state = INC_TIMEOUT;
 813                                 break;
 814                         default:
 815                                 session->inc_state = INC_SUCCESS;
 816                                 break;
 817                         }
 818                         break;
 819                 case PS_AUTHFAIL:
 820                         session->inc_state = INC_AUTH_FAILED;
 821                         break;
 822                 case PS_IOERR:
 823                         session->inc_state = INC_IO_ERROR;
 824                         break;
 825                 case PS_SOCKET:
 826                         session->inc_state = INC_SOCKET_ERROR;
 827                         break;
 828                 case PS_LOCKBUSY:
 829                         session->inc_state = INC_LOCKED;
 830                         break;
 831                 default:
 832                         session->inc_state = INC_ERROR;
 833                         break;
 834                 }
 835         }
 836
 837         session_disconnect(SESSION(pop3_session));
 838         statusbar_pop_all();
 839
 840         return session->inc_state;
 841 }
 842
 843 static void inc_progress_dialog_update(IncProgressDialog *inc_dialog,
 844                                        IncSession *inc_session)
 845 {
 846         inc_progress_dialog_set_label(inc_dialog, inc_session);
 847         inc_progress_dialog_set_progress(inc_dialog, inc_session);
 848 }
 849
 850 static void inc_progress_dialog_set_label(IncProgressDialog *inc_dialog,
 851                                           IncSession *inc_session)
 852 {
 853         ProgressDialog *dialog = inc_dialog->dialog;
 854         Pop3Session *session;
 855
 856         g_return_if_fail(inc_session != NULL);
 857
 858         session = POP3_SESSION(inc_session->session);
 859
 860         switch (session->state) {
 861         case POP3_GREETING:
 862                 break;
 863         case POP3_GETAUTH_USER:
 864         case POP3_GETAUTH_PASS:
 865         case POP3_GETAUTH_APOP:
 866                 progress_dialog_set_label(dialog, _("Authenticating..."));
 867                 statusbar_pop_all();
 868                 statusbar_print_all(_("Retrieving messages from %s (%s) ..."),
 869                                     SESSION(session)->server,
 870                                     session->ac_prefs->account_name);
 871                 break;
 872         case POP3_GETRANGE_STAT:
 873                 progress_dialog_set_label
 874                         (dialog, _("Getting the number of new messages (STAT)..."));
 875                 break;
 876         case POP3_GETRANGE_LAST:
 877                 progress_dialog_set_label
 878                         (dialog, _("Getting the number of new messages (LAST)..."));
 879                 break;
 880         case POP3_GETRANGE_UIDL:
 881                 progress_dialog_set_label
 882                         (dialog, _("Getting the number of new messages (UIDL)..."));
 883                 break;
 884         case POP3_GETSIZE_LIST:
 885                 progress_dialog_set_label
 886                         (dialog, _("Getting the size of messages (LIST)..."));
 887                 break;
 888         case POP3_RETR:
 889         case POP3_RETR_RECV:
 890         case POP3_DELETE:
 891                 break;
 892         case POP3_LOGOUT:
 893                 progress_dialog_set_label(dialog, _("Quitting"));
 894                 break;
 895         default:
 896                 break;
 897         }
 898 }
 899
 900 static void inc_progress_dialog_set_progress(IncProgressDialog *inc_dialog,
 901                                              IncSession *inc_session)
 902 {
 903         gchar buf[MSGBUFSIZE];
 904         Pop3Session *pop3_session = POP3_SESSION(inc_session->session);
 905         gchar *total_size_str;
 906         gint cur_total;
 907         gint total;
 908
 909         if (!pop3_session->new_msg_exist) return;
 910
 911         cur_total = inc_session->cur_total_bytes;
 912         total = pop3_session->total_bytes;
 913         if (pop3_session->state == POP3_RETR ||
 914             pop3_session->state == POP3_RETR_RECV ||
 915             pop3_session->state == POP3_DELETE) {
 916                 Xstrdup_a(total_size_str, to_human_readable(total), return);
 917                 g_snprintf(buf, sizeof(buf),
 918                            _("Retrieving message (%d / %d) (%s / %s)"),
 919                            pop3_session->cur_msg, pop3_session->count,
 920                            to_human_readable(cur_total), total_size_str);
 921                 progress_dialog_set_label(inc_dialog->dialog, buf);
 922         }
 923
 924         progress_dialog_set_fraction
 925                 (inc_dialog->dialog, (total == 0) ? 0: (gfloat)cur_total / (gfloat)total);
 926
 927         g_snprintf(buf, sizeof(buf), "%d / %d",
 928                    pop3_session->cur_msg, pop3_session->count);
 929         gtk_progress_bar_set_text
 930                 (GTK_PROGRESS_BAR(inc_dialog->mainwin->progressbar), buf);
 931         gtk_progress_bar_set_fraction
 932                 (GTK_PROGRESS_BAR(inc_dialog->mainwin->progressbar),
 933                  (total == 0) ? 0 : (gfloat)cur_total / (gfloat)total);
 934
 935         if (pop3_session->cur_total_num > 0) {
 936                 g_snprintf(buf, sizeof(buf),
 937                            ngettext("Retrieving (%d message (%s) received)",
 938                                     "Retrieving (%d messages (%s) received)",
 939                                     pop3_session->cur_total_num),
 940                            pop3_session->cur_total_num,
 941                            to_human_readable
 942                            (pop3_session->cur_total_recv_bytes));
 943                 progress_dialog_list_set_status(inc_dialog->dialog,
 944                                                 inc_dialog->cur_row,
 945                                                 buf);
 946         }
 947 }
 948
 949 static void inc_progress_dialog_update_periodic(IncProgressDialog *inc_dialog,
 950                                                 IncSession *inc_session)
 951 {
 952         GTimeVal tv_cur;
 953         GTimeVal tv_result;
 954         gint msec;
 955
 956         g_get_current_time(&tv_cur);
 957
 958         tv_result.tv_sec = tv_cur.tv_sec - inc_dialog->progress_tv.tv_sec;
 959         tv_result.tv_usec = tv_cur.tv_usec - inc_dialog->progress_tv.tv_usec;
 960         if (tv_result.tv_usec < 0) {
 961                 tv_result.tv_sec--;
 962                 tv_result.tv_usec += G_USEC_PER_SEC;
 963         }
 964
 965         msec = tv_result.tv_sec * 1000 + tv_result.tv_usec / 1000;
 966         if (msec > PROGRESS_UPDATE_INTERVAL) {
 967                 inc_progress_dialog_update(inc_dialog, inc_session);
 968                 inc_dialog->progress_tv.tv_sec = tv_cur.tv_sec;
 969                 inc_dialog->progress_tv.tv_usec = tv_cur.tv_usec;
 970         }
 971 }
 972
 973 static gint inc_recv_data_progressive(Session *session, guint cur_len,
 974                                       guint total_len, gpointer data)
 975 {
 976         IncSession *inc_session = (IncSession *)data;
 977         Pop3Session *pop3_session = POP3_SESSION(session);
 978         IncProgressDialog *inc_dialog;
 979         gint cur_total;
 980
 981         g_return_val_if_fail(inc_session != NULL, -1);
 982
 983         if (pop3_session->state != POP3_RETR &&
 984             pop3_session->state != POP3_RETR_RECV &&
 985             pop3_session->state != POP3_DELETE &&
 986             pop3_session->state != POP3_LOGOUT) return 0;
 987
 988         if (!pop3_session->new_msg_exist) return 0;
 989
 990         cur_total = pop3_session->cur_total_bytes + cur_len;
 991         if (cur_total > pop3_session->total_bytes)
 992                 cur_total = pop3_session->total_bytes;
 993         inc_session->cur_total_bytes = cur_total;
 994
 995         inc_dialog = (IncProgressDialog *)inc_session->data;
 996         inc_progress_dialog_update_periodic(inc_dialog, inc_session);
 997
 998         return 0;
 999 }
1000
1001 static gint inc_recv_data_finished(Session *session, guint len, gpointer data)
1002 {
1003         IncSession *inc_session = (IncSession *)data;
1004         IncProgressDialog *inc_dialog;
1005
1006         g_return_val_if_fail(inc_session != NULL, -1);
1007
1008         inc_dialog = (IncProgressDialog *)inc_session->data;
1009
1010         inc_recv_data_progressive(session, 0, 0, inc_session);
1011
1012         if (POP3_SESSION(session)->state == POP3_LOGOUT) {
1013                 inc_progress_dialog_update(inc_dialog, inc_session);
1014         }
1015
1016         return 0;
1017 }
1018
1019 static gint inc_recv_message(Session *session, const gchar *msg, gpointer data)
1020 {
1021         IncSession *inc_session = (IncSession *)data;
1022         IncProgressDialog *inc_dialog;
1023
1024         g_return_val_if_fail(inc_session != NULL, -1);
1025
1026         inc_dialog = (IncProgressDialog *)inc_session->data;
1027
1028         switch (POP3_SESSION(session)->state) {
1029         case POP3_GETAUTH_USER:
1030         case POP3_GETAUTH_PASS:
1031         case POP3_GETAUTH_APOP:
1032         case POP3_GETRANGE_STAT:
1033         case POP3_GETRANGE_LAST:
1034         case POP3_GETRANGE_UIDL:
1035         case POP3_GETSIZE_LIST:
1036                 inc_progress_dialog_update(inc_dialog, inc_session);
1037                 break;
1038         case POP3_RETR:
1039                 inc_recv_data_progressive(session, 0, 0, inc_session);
1040                 break;
1041         case POP3_LOGOUT:
1042                 inc_progress_dialog_update(inc_dialog, inc_session);
1043                 break;
1044         default:
1045                 break;
1046         }
1047
1048         return 0;
1049 }
1050
1051 static gint inc_drop_message(Pop3Session *session, const gchar *file)
1052 {
1053         FolderItem *inbox;
1054         FolderItem *dropfolder;
1055         IncSession *inc_session = (IncSession *)(SESSION(session)->data);
1056         gint msgnum;
1057
1058         g_return_val_if_fail(inc_session != NULL, -1);
1059
1060         if (session->ac_prefs->inbox) {
1061                 inbox = folder_find_item_from_identifier
1062                         (session->ac_prefs->inbox);
1063                 if (!inbox)
1064                         inbox = folder_get_default_inbox();
1065         } else
1066                 inbox = folder_get_default_inbox();
1067         if (!inbox) {
1068                 g_unlink(file);
1069                 return -1;
1070         }
1071
1072         /* CLAWS: claws uses a global .processing folder for the filtering. */
1073         dropfolder = folder_get_default_processing();
1074
1075         /* add msg file to drop folder */
1076         if ((msgnum = folder_item_add_msg(
1077                         dropfolder, file, NULL, TRUE)) < 0) {
1078                 g_unlink(file);
1079                 return -1;
1080         }
1081
1082         return 0;
1083 }
1084
1085 static void inc_put_error(IncState istate, Pop3Session *session)
1086 {
1087         gchar *log_msg = NULL;
1088         gchar *err_msg = NULL;
1089         gboolean fatal_error = FALSE;
1090
1091         switch (istate) {
1092         case INC_CONNECT_ERROR:
1093                 log_msg = _("Connection failed.");
1094                 fatal_error = TRUE;
1095                 if (prefs_common.no_recv_err_panel)
1096                         break;
1097                 err_msg = g_strdup_printf(_("Connection to %s:%d failed."),
1098                                           SESSION(session)->server,
1099                                           SESSION(session)->port);
1100                 break;
1101         case INC_ERROR:
1102                 log_msg = _("Error occurred while processing mail.");
1103                 fatal_error = TRUE;
1104                 if (prefs_common.no_recv_err_panel)
1105                         break;
1106                 if (session->error_msg)
1107                         err_msg = g_strdup_printf
1108                                 (_("Error occurred while processing mail:\n%s"),
1109                                  session->error_msg);
1110                 else
1111                         err_msg = g_strdup(log_msg);
1112                 break;
1113         case INC_NO_SPACE:
1114                 log_msg = _("No disk space left.");
1115                 err_msg = g_strdup(log_msg);
1116                 fatal_error = TRUE;
1117                 break;
1118         case INC_IO_ERROR:
1119                 log_msg = _("Can't write file.");
1120                 err_msg = g_strdup(log_msg);
1121                 fatal_error = TRUE;
1122                 break;
1123         case INC_SOCKET_ERROR:
1124                 log_msg = _("Socket error.");
1125                 if (prefs_common.no_recv_err_panel)
1126                         break;
1127                 err_msg = g_strdup_printf(_("Socket error on connection to %s:%d."),
1128                                           SESSION(session)->server,
1129                                           SESSION(session)->port);
1130                 break;
1131         case INC_EOF:
1132                 log_msg = _("Connection closed by the remote host.");
1133                 if (prefs_common.no_recv_err_panel)
1134                         break;
1135                 err_msg = g_strdup_printf(_("Connection to %s:%d closed by the remote host."),
1136                                           SESSION(session)->server,
1137                                           SESSION(session)->port);
1138                 break;
1139         case INC_LOCKED:
1140                 log_msg = _("Mailbox is locked.");
1141                 if (prefs_common.no_recv_err_panel)
1142                         break;
1143                 if (session->error_msg)
1144                         err_msg = g_strdup_printf(_("Mailbox is locked:\n%s"),
1145                                                   session->error_msg);
1146                 else
1147                         err_msg = g_strdup(log_msg);
1148                 break;
1149         case INC_AUTH_FAILED:
1150                 log_msg = _("Authentication failed.");
1151                 fatal_error = TRUE;
1152                 if (prefs_common.no_recv_err_panel)
1153                         break;
1154                 if (session->error_msg)
1155                         err_msg = g_strdup_printf
1156                                 (_("Authentication failed:\n%s"), session->error_msg);
1157                 else
1158                         err_msg = g_strdup(log_msg);
1159                 break;
1160         case INC_TIMEOUT:
1161                 log_msg = _("Session timed out.");
1162                 if (prefs_common.no_recv_err_panel)
1163                         break;
1164                 err_msg = g_strdup_printf(_("Connection to %s:%d timed out."),
1165                                           SESSION(session)->server,
1166                                           SESSION(session)->port);
1167                 break;
1168         default:
1169                 break;
1170         }
1171
1172         if (log_msg) {
1173                 if (fatal_error)
1174                         log_error("%s\n", log_msg);
1175                 else
1176                         log_warning("%s\n", log_msg);
1177         }
1178         if (prefs_common.no_recv_err_panel && fatal_error)
1179                 mainwindow_show_error();
1180
1181         if (err_msg) {
1182                 alertpanel_error_log(err_msg);
1183                 g_free(err_msg);
1184         }
1185 }
1186
1187 static void inc_cancel(IncProgressDialog *dialog)
1188 {
1189         IncSession *session;
1190
1191         g_return_if_fail(dialog != NULL);
1192
1193         if (dialog->queue_list == NULL) {
1194                 inc_progress_dialog_destroy(dialog);
1195                 return;
1196         }
1197
1198         session = dialog->queue_list->data;
1199
1200         session->inc_state = INC_CANCEL;
1201
1202         log_message(_("Incorporation cancelled\n"));
1203 }
1204
1205 gboolean inc_is_active(void)
1206 {
1207         return (inc_dialog_list != NULL);
1208 }
1209
1210 void inc_cancel_all(void)
1211 {
1212         GList *cur;
1213
1214         for (cur = inc_dialog_list; cur != NULL; cur = cur->next)
1215                 inc_cancel((IncProgressDialog *)cur->data);
1216 }
1217
1218 static void inc_cancel_cb(GtkWidget *widget, gpointer data)
1219 {
1220         inc_cancel((IncProgressDialog *)data);
1221 }
1222
1223 static gint inc_dialog_delete_cb(GtkWidget *widget, GdkEventAny *event,
1224                                  gpointer data)
1225 {
1226         IncProgressDialog *dialog = (IncProgressDialog *)data;
1227
1228         if (dialog->queue_list == NULL)
1229                 inc_progress_dialog_destroy(dialog);
1230
1231         return TRUE;
1232 }
1233
1234 static gint inc_spool_account(PrefsAccount *account)
1235 {
1236         FolderItem *inbox;
1237         gchar *mbox;
1238         gint result;
1239
1240         if (account->local_inbox) {
1241                 inbox = folder_find_item_from_identifier(account->local_inbox);
1242                 if (!inbox)
1243                         inbox = folder_get_default_inbox();
1244         } else
1245                 inbox = folder_get_default_inbox();
1246
1247         if (is_file_exist(account->local_mbox))
1248                 mbox = g_strdup(account->local_mbox);
1249         else if (is_dir_exist(account->local_mbox))
1250                 mbox = g_strconcat(account->local_mbox, G_DIR_SEPARATOR_S,
1251                                    g_get_user_name(), NULL);
1252         else {
1253                 debug_print("%s: local mailbox not found.\n",
1254                             account->local_mbox);
1255                 return -1;
1256         }
1257
1258         result = get_spool(inbox, mbox, account);
1259         g_free(mbox);
1260
1261         statusbar_pop_all();
1262
1263         return result;
1264 }
1265
1266 static gint inc_all_spool(void)
1267 {
1268         GList *list = NULL;
1269         gint new_msgs = 0;
1270         gint account_new_msgs = 0;
1271
1272         list = account_get_list();
1273         if (!list) return 0;
1274
1275         for (; list != NULL; list = list->next) {
1276                 PrefsAccount *account = list->data;
1277
1278                 if ((account->protocol == A_LOCAL) &&
1279                     (account->recv_at_getall)) {
1280                         account_new_msgs = inc_spool_account(account);
1281                         if (account_new_msgs > 0)
1282                                 new_msgs += account_new_msgs;
1283                 }
1284         }
1285
1286         return new_msgs;
1287 }
1288
1289 static gint get_spool(FolderItem *dest, const gchar *mbox, PrefsAccount *account)
1290 {
1291         gint msgs, size;
1292         gint lockfd;
1293         gchar tmp_mbox[MAXPATHLEN + 1];
1294
1295         g_return_val_if_fail(dest != NULL, -1);
1296         g_return_val_if_fail(mbox != NULL, -1);
1297
1298         if (!is_file_exist(mbox) || (size = get_file_size(mbox)) == 0) {
1299                 debug_print("%s: no messages in local mailbox.\n", mbox);
1300                 return 0;
1301         } else if (size < 0)
1302                 return -1;
1303
1304         if ((lockfd = lock_mbox(mbox, LOCK_FLOCK)) < 0)
1305                 return -1;
1306
1307         g_snprintf(tmp_mbox, sizeof(tmp_mbox), "%s%ctmpmbox.%08x",
1308                    get_tmp_dir(), G_DIR_SEPARATOR, (gint)mbox);
1309
1310         if (copy_mbox(mbox, tmp_mbox) < 0) {
1311                 unlock_mbox(mbox, lockfd, LOCK_FLOCK);
1312                 return -1;
1313         }
1314
1315         debug_print("Getting new messages from %s into %s...\n",
1316                     mbox, dest->path);
1317
1318         msgs = proc_mbox(dest, tmp_mbox, TRUE, account);
1319
1320         g_unlink(tmp_mbox);
1321         if (msgs >= 0) empty_mbox(mbox);
1322         unlock_mbox(mbox, lockfd, LOCK_FLOCK);
1323
1324         return msgs;
1325 }
1326
1327 void inc_lock(void)
1328 {
1329         inc_lock_count++;
1330 }
1331
1332 void inc_unlock(void)
1333 {
1334         if (inc_lock_count > 0)
1335                 inc_lock_count--;
1336 }
1337
1338 static guint autocheck_timer = 0;
1339 static gpointer autocheck_data = NULL;
1340
1341 static void inc_notify_cmd(gint new_msgs, gboolean notify)
1342 {
1343
1344         gchar *buf, *numpos, *ret_str;
1345         gssize by_read = 0, by_written = 0;
1346
1347         if (!(new_msgs && notify && prefs_common.newmail_notify_cmd &&
1348             *prefs_common.newmail_notify_cmd))
1349                      return;
1350         buf = g_strdup(prefs_common.newmail_notify_cmd);
1351         if ((numpos = strstr(buf, "%d")) != NULL) {
1352                 gchar *buf2;
1353
1354                 *numpos = '\0';
1355                 buf2 = g_strdup_printf("%s%d%s", buf, new_msgs, numpos + 2);
1356                 g_free(buf);
1357                 buf = buf2;
1358         }
1359
1360         ret_str = g_locale_from_utf8(buf, strlen(buf), &by_read, &by_written,
1361                                      NULL);
1362         if (ret_str && by_written) {
1363                 g_free(buf);
1364                 buf = ret_str;
1365         }
1366         debug_print("executing new mail notification command: %s\n", buf);
1367         execute_command_line(buf, TRUE);
1368
1369         g_free(buf);
1370 }
1371
1372 void inc_autocheck_timer_init(MainWindow *mainwin)
1373 {
1374         autocheck_data = mainwin;
1375         inc_autocheck_timer_set();
1376 }
1377
1378 static void inc_autocheck_timer_set_interval(guint interval)
1379 {
1380         inc_autocheck_timer_remove();
1381         /* last test is to avoid re-enabling auto_check after modifying
1382            the common preferences */
1383         if (prefs_common.autochk_newmail && autocheck_data
1384             && prefs_common.work_offline == FALSE) {
1385                 autocheck_timer = gtk_timeout_add
1386                         (interval, inc_autocheck_func, autocheck_data);
1387                 debug_print("added timer = %d\n", autocheck_timer);
1388         }
1389 }
1390
1391 void inc_autocheck_timer_set(void)
1392 {
1393         inc_autocheck_timer_set_interval(prefs_common.autochk_itv * 60000);
1394 }
1395
1396 void inc_autocheck_timer_remove(void)
1397 {
1398         if (autocheck_timer) {
1399                 debug_print("removed timer = %d\n", autocheck_timer);
1400                 gtk_timeout_remove(autocheck_timer);
1401                 autocheck_timer = 0;
1402         }
1403 }
1404
1405 static gint inc_autocheck_func(gpointer data)
1406 {
1407         MainWindow *mainwin = (MainWindow *)data;
1408
1409         if (inc_lock_count) {
1410                 debug_print("autocheck is locked.\n");
1411                 inc_autocheck_timer_set_interval(1000);
1412                 return FALSE;
1413         }
1414
1415         inc_all_account_mail(mainwin, TRUE, prefs_common.newmail_notify_auto);
1416
1417         return FALSE;
1418 }
1419
1420 gboolean inc_offline_should_override(const gchar *msg)
1421 {
1422         static time_t overridden_yes = 0;
1423         static time_t overridden_no  = 0;
1424         int length = 10; /* minutes */
1425         gint answer = G_ALERTDEFAULT;
1426
1427         if (prefs_common.autochk_newmail)
1428                 length = prefs_common.autochk_itv; /* minutes */
1429
1430         if (prefs_common.work_offline) {
1431                 gchar *tmp = NULL;
1432
1433                 if (time(NULL) - overridden_yes < length * 60) /* seconds */
1434                          return TRUE;
1435                 else if (time(NULL) - overridden_no < 3) /* seconds */
1436                          return FALSE;
1437
1438                 tmp = g_strdup_printf(
1439                                 _("%s%sYou're working offline. Override for %d minutes?"),
1440                                 msg?msg:"",
1441                                 msg?"\n\n":"",
1442                                 length);
1443
1444                 answer = alertpanel(_("Offline warning"),
1445                                tmp,
1446                                GTK_STOCK_NO, "+" GTK_STOCK_YES, _("On_ly once"));
1447                 g_free(tmp);
1448                 if (answer == G_ALERTALTERNATE) {
1449                         overridden_yes = time(NULL);
1450                         return TRUE;
1451                 } else if (answer == G_ALERTDEFAULT) {
1452                         overridden_no  = time(NULL);
1453                         return FALSE;
1454                 } else {
1455                         overridden_yes = (time_t)0;
1456                         overridden_no  = (time_t)0;
1457                         return TRUE;
1458                 }
1459         }
1460         return TRUE;
1461 }