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