src/inc.c

   1 /*
   2  * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
   3  * Copyright (C) 1999-2013 Hiroyuki Yamamoto and the Claws Mail team
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; either version 3 of the License, or
   8  * (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License
  16  * along with this program. If not, see <http://www.gnu.org/licenses/>.
  17  *
  18  */
  19
  20 #ifdef HAVE_CONFIG_H
  21 #  include "config.h"
  22 #include "claws-features.h"
  23 #endif
  24
  25 #include "defs.h"
  26
  27 #include <glib.h>
  28 #include <glib/gi18n.h>
  29 #include <gtk/gtk.h>
  30 #include <stdio.h>
  31 #include <unistd.h>
  32 #include <string.h>
  33
  34 #include "main.h"
  35 #include "inc.h"
  36 #include "mainwindow.h"
  37 #include "folderview.h"
  38 #include "summaryview.h"
  39 #include "prefs_common.h"
  40 #include "prefs_account.h"
  41 #include "account.h"
  42 #include "procmsg.h"
  43 #include "socket.h"
  44 #include "ssl.h"
  45 #include "pop.h"
  46 #include "recv.h"
  47 #include "mbox.h"
  48 #include "utils.h"
  49 #include "gtkutils.h"
  50 #include "statusbar.h"
  51 #include "msgcache.h"
  52 #include "manage_window.h"
  53 #include "stock_pixmap.h"
  54 #include "progressdialog.h"
  55 #include "inputdialog.h"
  56 #include "alertpanel.h"
  57 #include "folder.h"
  58 #include "filtering.h"
  59 #include "log.h"
  60 #include "hooks.h"
  61 #include "logwindow.h"
  62
  63 extern SessionStats session_stats;
  64
  65 static GList *inc_dialog_list = NULL;
  66
  67 guint inc_lock_count = 0;
  68
  69 static GdkPixbuf *currentpix;
  70 static GdkPixbuf *errorpix;
  71 static GdkPixbuf *okpix;
  72
  73 #define MESSAGEBUFSIZE  8192
  74
  75 static void inc_update_stats(gint new_msgs);
  76 static void inc_finished                (MainWindow             *mainwin,
  77                                          gboolean                new_messages,
  78                                          gboolean                autocheck);
  79 static gint inc_account_mail_real       (MainWindow             *mainwin,
  80                                          PrefsAccount           *account);
  81
  82 static IncProgressDialog *inc_progress_dialog_create
  83                                         (gboolean                autocheck);
  84 static void inc_progress_dialog_set_list(IncProgressDialog      *inc_dialog);
  85 static void inc_progress_dialog_destroy (IncProgressDialog      *inc_dialog);
  86
  87 static IncSession *inc_session_new      (PrefsAccount           *account);
  88 static void inc_session_destroy         (IncSession             *session);
  89 static gint inc_start                   (IncProgressDialog      *inc_dialog);
  90 static IncState inc_pop3_session_do     (IncSession             *session);
  91
  92 static void inc_progress_dialog_update  (IncProgressDialog      *inc_dialog,
  93                                          IncSession             *inc_session);
  94
  95 static void inc_progress_dialog_set_label
  96                                         (IncProgressDialog      *inc_dialog,
  97                                          IncSession             *inc_session);
  98 static void inc_progress_dialog_set_progress
  99                                         (IncProgressDialog      *inc_dialog,
 100                                          IncSession             *inc_session);
 101
 102 static void inc_progress_dialog_update_periodic
 103                                         (IncProgressDialog      *inc_dialog,
 104                                          IncSession             *inc_session);
 105
 106 static gint inc_recv_data_progressive   (Session        *session,
 107                                          guint           cur_len,
 108                                          guint           total_len,
 109                                          gpointer        data);
 110 static gint inc_recv_data_finished      (Session        *session,
 111                                          guint           len,
 112                                          gpointer        data);
 113 static gint inc_recv_message            (Session        *session,
 114                                          const gchar    *msg,
 115                                          gpointer        data);
 116 static gint inc_drop_message            (Pop3Session    *session,
 117                                          const gchar    *file);
 118
 119 static void inc_put_error               (IncState        istate,
 120                                          Pop3Session    *session);
 121
 122 static void inc_showlog_cb              (GtkWidget      *widget,
 123                                          gpointer        data);
 124 static void inc_cancel_cb               (GtkWidget      *widget,
 125                                          gpointer        data);
 126 static gint inc_dialog_delete_cb        (GtkWidget      *widget,
 127                                          GdkEventAny    *event,
 128                                          gpointer        data);
 129
 130 static gint get_spool                   (FolderItem     *dest,
 131                                          const gchar    *mbox,
 132                                          PrefsAccount   *account);
 133
 134 static gint inc_spool_account(PrefsAccount *account);
 135 static gint inc_all_spool(void);
 136 static void inc_autocheck_timer_set_interval    (guint           interval);
 137 static gint inc_autocheck_func                  (gpointer        data);
 138
 139 static void inc_notify_cmd              (gint new_msgs,
 140                                          gboolean notify);
 141
 142 static void inc_update_stats(gint new_msgs)
 143 {
 144         /* update session statistics */
 145         session_stats.received += new_msgs;
 146 }
 147
 148 /**
 149  * inc_finished:
 150  * @mainwin: Main window.
 151  * @new_messages: TRUE if some messages have been received.
 152  *
 153  * Update the folder view and the summary view after receiving
 154  * messages.  If @new_messages is FALSE, this function avoids unneeded
 155  * updating.
 156  **/
 157 static void inc_finished(MainWindow *mainwin, gboolean new_messages, gboolean autocheck)
 158 {
 159         if (prefs_common.scan_all_after_inc)
 160                 folderview_check_new(NULL);
 161
 162         if (!autocheck && new_messages && prefs_common.open_inbox_on_inc) {
 163                 FolderItem *item = NULL;
 164
 165                 if (cur_account && cur_account->inbox)
 166                         item = folder_find_item_from_identifier(cur_account->inbox);
 167                 if (item == NULL && cur_account && cur_account->folder)
 168                         item = cur_account->folder->inbox;
 169                 if (item == NULL)
 170                         item = folder_get_default_inbox();
 171
 172                 folderview_unselect(mainwin->folderview);
 173                 folderview_select(mainwin->folderview, item);
 174         }
 175 }
 176
 177 void inc_mail(MainWindow *mainwin, gboolean notify)
 178 {
 179         gint new_msgs = 0;
 180         gint account_new_msgs = 0;
 181
 182         if (inc_lock_count) return;
 183
 184         if (prefs_common.work_offline &&
 185             !inc_offline_should_override(TRUE,
 186                 _("Claws Mail needs network access in order "
 187                   "to get mails.")))
 188                 return;
 189
 190         inc_lock();
 191         inc_autocheck_timer_remove();
 192         main_window_lock(mainwin);
 193
 194         if (prefs_common.use_extinc && prefs_common.extinc_cmd) {
 195                 /* external incorporating program */
 196                 if (execute_command_line(prefs_common.extinc_cmd, FALSE) < 0) {
 197                         main_window_unlock(mainwin);
 198                         inc_autocheck_timer_set();
 199                         inc_unlock();
 200                         return;
 201                 }
 202         } else {
 203                 account_new_msgs = inc_account_mail_real(mainwin, cur_account);
 204                 if (account_new_msgs > 0)
 205                         new_msgs += account_new_msgs;
 206         }
 207
 208         inc_update_stats(new_msgs);
 209         inc_finished(mainwin, new_msgs > 0, FALSE);
 210         main_window_unlock(mainwin);
 211         inc_notify_cmd(new_msgs, notify);
 212         inc_autocheck_timer_set();
 213         inc_unlock();
 214 }
 215
 216 void inc_pop_before_smtp(PrefsAccount *acc)
 217 {
 218         IncProgressDialog *inc_dialog;
 219         IncSession *session;
 220         MainWindow *mainwin;
 221
 222         mainwin = mainwindow_get_mainwindow();
 223
 224         session = inc_session_new(acc);
 225         if (!session) return;
 226         POP3_SESSION(session->session)->pop_before_smtp = TRUE;
 227
 228         inc_dialog = inc_progress_dialog_create(FALSE);
 229         inc_dialog->queue_list = g_list_append(inc_dialog->queue_list,
 230                                                session);
 231         /* FIXME: assumes to attach to first main window */
 232         inc_dialog->mainwin = mainwin;
 233         inc_progress_dialog_set_list(inc_dialog);
 234
 235         if (mainwin) {
 236                 toolbar_main_set_sensitive(mainwin);
 237                 main_window_set_menu_sensitive(mainwin);
 238         }
 239
 240         inc_start(inc_dialog);
 241 }
 242
 243 static gint inc_account_mail_real(MainWindow *mainwin, PrefsAccount *account)
 244 {
 245         IncProgressDialog *inc_dialog;
 246         IncSession *session;
 247
 248         switch (account->protocol) {
 249         case A_IMAP4:
 250         case A_NNTP:
 251                 /* Melvin: bug [14]
 252                  * FIXME: it should return foldeview_check_new() value.
 253                  * TODO: do it when bug [19] is fixed (IMAP folder sets
 254                  * an incorrect new message count)
 255                  */
 256                 folderview_check_new(FOLDER(account->folder));
 257                 return 0;
 258         case A_POP3:
 259         case A_APOP:
 260                 session = inc_session_new(account);
 261                 if (!session) return 0;
 262
 263                 inc_dialog = inc_progress_dialog_create(FALSE);
 264                 inc_dialog->queue_list = g_list_append(inc_dialog->queue_list,
 265                                                        session);
 266                 inc_dialog->mainwin = mainwin;
 267                 inc_progress_dialog_set_list(inc_dialog);
 268
 269                 if (mainwin) {
 270                         toolbar_main_set_sensitive(mainwin);
 271                         main_window_set_menu_sensitive(mainwin);
 272                 }
 273
 274                 return inc_start(inc_dialog);
 275
 276         case A_LOCAL:
 277                 return inc_spool_account(account);
 278
 279         default:
 280                 break;
 281         }
 282         return 0;
 283 }
 284
 285 gint inc_account_mail(MainWindow *mainwin, PrefsAccount *account)
 286 {
 287         gint new_msgs;
 288
 289         if (inc_lock_count) return 0;
 290
 291         if (prefs_common.work_offline &&
 292             !inc_offline_should_override(TRUE,
 293                 _("Claws Mail needs network access in order "
 294                   "to get mails.")))
 295                 return 0;
 296
 297         inc_autocheck_timer_remove();
 298         main_window_lock(mainwin);
 299
 300         new_msgs = inc_account_mail_real(mainwin, account);
 301
 302         inc_update_stats(new_msgs);
 303         inc_finished(mainwin, new_msgs > 0, FALSE);
 304         main_window_unlock(mainwin);
 305         inc_autocheck_timer_set();
 306
 307         return new_msgs;
 308 }
 309
 310 void inc_all_account_mail(MainWindow *mainwin, gboolean autocheck,
 311                           gboolean notify)
 312 {
 313         GList *list, *queue_list = NULL;
 314         IncProgressDialog *inc_dialog;
 315         gint new_msgs = 0;
 316         gint account_new_msgs = 0;
 317
 318         if (prefs_common.work_offline &&
 319             !inc_offline_should_override( (autocheck == FALSE),
 320                 _("Claws Mail needs network access in order "
 321                   "to get mails.")))
 322                 return;
 323
 324         if (inc_lock_count) return;
 325
 326         inc_autocheck_timer_remove();
 327         main_window_lock(mainwin);
 328
 329         list = account_get_list();
 330         if (!list) {
 331                 inc_update_stats(new_msgs);
 332                 inc_finished(mainwin, new_msgs > 0, autocheck);
 333                 main_window_unlock(mainwin);
 334                 inc_notify_cmd(new_msgs, notify);
 335                 inc_autocheck_timer_set();
 336                 return;
 337         }
 338
 339         if (prefs_common.use_extinc && prefs_common.extinc_cmd) {
 340                 /* external incorporating program */
 341                 if (execute_command_line(prefs_common.extinc_cmd, FALSE) < 0) {
 342                         log_error(LOG_PROTOCOL, _("%s failed\n"), prefs_common.extinc_cmd);
 343
 344                         main_window_unlock(mainwin);
 345                         inc_autocheck_timer_set();
 346                         return;
 347                 }
 348         }
 349
 350         /* check local folders */
 351         account_new_msgs = inc_all_spool();
 352         if (account_new_msgs > 0)
 353                 new_msgs += account_new_msgs;
 354
 355         /* check IMAP4 / News folders */
 356         for (list = account_get_list(); list != NULL; list = list->next) {
 357                 PrefsAccount *account = list->data;
 358                 if ((account->protocol == A_IMAP4 ||
 359                      account->protocol == A_NNTP) && account->recv_at_getall) {
 360                         new_msgs += folderview_check_new(FOLDER(account->folder));
 361                 }
 362         }
 363
 364         /* check POP3 accounts */
 365         for (list = account_get_list(); list != NULL; list = list->next) {
 366                 IncSession *session;
 367                 PrefsAccount *account = list->data;
 368
 369                 if (account->recv_at_getall) {
 370                         session = inc_session_new(account);
 371                         if (session)
 372                                 queue_list = g_list_append(queue_list, session);
 373                 }
 374         }
 375
 376         if (queue_list) {
 377                 inc_dialog = inc_progress_dialog_create(autocheck);
 378                 inc_dialog->queue_list = queue_list;
 379                 inc_dialog->mainwin = mainwin;
 380                 inc_progress_dialog_set_list(inc_dialog);
 381
 382                 toolbar_main_set_sensitive(mainwin);
 383                 main_window_set_menu_sensitive(mainwin);
 384                 new_msgs += inc_start(inc_dialog);
 385         }
 386
 387         inc_update_stats(new_msgs);
 388         inc_finished(mainwin, new_msgs > 0, autocheck);
 389         main_window_unlock(mainwin);
 390         inc_notify_cmd(new_msgs, notify);
 391         inc_autocheck_timer_set();
 392 }
 393
 394 static void inc_progress_dialog_size_allocate_cb(GtkWidget *widget,
 395                                          GtkAllocation *allocation)
 396 {
 397         cm_return_if_fail(allocation != NULL);
 398
 399         prefs_common.receivewin_width = allocation->width;
 400         prefs_common.receivewin_height = allocation->height;
 401 }
 402
 403 static IncProgressDialog *inc_progress_dialog_create(gboolean autocheck)
 404 {
 405         IncProgressDialog *dialog;
 406         ProgressDialog *progress;
 407         static GdkGeometry geometry;
 408
 409         dialog = g_new0(IncProgressDialog, 1);
 410
 411         progress = progress_dialog_create();
 412         gtk_window_set_title(GTK_WINDOW(progress->window),
 413                              _("Retrieving new messages"));
 414         g_signal_connect(G_OBJECT(progress->showlog_btn), "clicked",
 415                          G_CALLBACK(inc_showlog_cb), dialog);
 416         g_signal_connect(G_OBJECT(progress->cancel_btn), "clicked",
 417                          G_CALLBACK(inc_cancel_cb), dialog);
 418         g_signal_connect(G_OBJECT(progress->window), "delete_event",
 419                          G_CALLBACK(inc_dialog_delete_cb), dialog);
 420         g_signal_connect(G_OBJECT(progress->window), "size_allocate",
 421                          G_CALLBACK(inc_progress_dialog_size_allocate_cb), NULL);
 422         /* manage_window_set_transient(GTK_WINDOW(progress->window)); */
 423
 424         progress_dialog_get_fraction(progress);
 425
 426         stock_pixbuf_gdk(progress->treeview, STOCK_PIXMAP_COMPLETE,
 427                          &okpix);
 428         stock_pixbuf_gdk(progress->treeview, STOCK_PIXMAP_CONTINUE,
 429                          &currentpix);
 430         stock_pixbuf_gdk(progress->treeview, STOCK_PIXMAP_ERROR,
 431                          &errorpix);
 432
 433         if (!geometry.min_height) {
 434                 geometry.min_width = 460;
 435                 geometry.min_height = 250;
 436         }
 437
 438         gtk_window_set_geometry_hints(GTK_WINDOW(progress->window), NULL, &geometry,
 439                                       GDK_HINT_MIN_SIZE);
 440         gtk_widget_set_size_request(progress->window, prefs_common.receivewin_width,
 441                                     prefs_common.receivewin_height);
 442
 443         if (prefs_common.recv_dialog_mode == RECV_DIALOG_ALWAYS ||
 444             (prefs_common.recv_dialog_mode == RECV_DIALOG_MANUAL &&
 445              !autocheck)) {
 446                 dialog->show_dialog = TRUE;
 447                 gtk_widget_show_now(progress->window);
 448         }
 449
 450         dialog->dialog = progress;
 451         g_get_current_time(&dialog->progress_tv);
 452         g_get_current_time(&dialog->folder_tv);
 453         dialog->queue_list = NULL;
 454         dialog->cur_row = 0;
 455
 456         inc_dialog_list = g_list_append(inc_dialog_list, dialog);
 457
 458         return dialog;
 459 }
 460
 461 static void inc_progress_dialog_set_list(IncProgressDialog *inc_dialog)
 462 {
 463         GList *list;
 464
 465         for (list = inc_dialog->queue_list; list != NULL; list = list->next) {
 466                 IncSession *session = list->data;
 467                 Pop3Session *pop3_session = POP3_SESSION(session->session);
 468
 469                 session->data = inc_dialog;
 470
 471                 progress_dialog_list_set(inc_dialog->dialog,
 472                                          -1, NULL,
 473                                          pop3_session->ac_prefs->account_name,
 474                                          _("Standby"));
 475         }
 476 }
 477
 478 static void inc_progress_dialog_clear(IncProgressDialog *inc_dialog)
 479 {
 480         progress_dialog_get_fraction(inc_dialog->dialog);
 481         progress_dialog_set_label(inc_dialog->dialog, "");
 482         if (inc_dialog->mainwin)
 483                 main_window_progress_off(inc_dialog->mainwin);
 484 }
 485
 486 static void inc_progress_dialog_destroy(IncProgressDialog *inc_dialog)
 487 {
 488         cm_return_if_fail(inc_dialog != NULL);
 489
 490         inc_dialog_list = g_list_remove(inc_dialog_list, inc_dialog);
 491
 492         if (inc_dialog->mainwin)
 493                 main_window_progress_off(inc_dialog->mainwin);
 494         progress_dialog_destroy(inc_dialog->dialog);
 495
 496         g_free(inc_dialog);
 497 }
 498
 499 static IncSession *inc_session_new(PrefsAccount *account)
 500 {
 501         IncSession *session;
 502
 503         cm_return_val_if_fail(account != NULL, NULL);
 504
 505         if (account->protocol != A_POP3)
 506                 return NULL;
 507         if (!account->recv_server || !account->userid)
 508                 return NULL;
 509
 510         session = g_new0(IncSession, 1);
 511
 512         session->session = pop3_session_new(account);
 513         session->session->data = session;
 514         POP3_SESSION(session->session)->drop_message = inc_drop_message;
 515         session_set_recv_message_notify(session->session,
 516                                         inc_recv_message, session);
 517         session_set_recv_data_progressive_notify(session->session,
 518                                                  inc_recv_data_progressive,
 519                                                  session);
 520         session_set_recv_data_notify(session->session,
 521                                      inc_recv_data_finished, session);
 522
 523         return session;
 524 }
 525
 526 static void inc_session_destroy(IncSession *session)
 527 {
 528         cm_return_if_fail(session != NULL);
 529
 530         session_destroy(session->session);
 531         g_free(session);
 532 }
 533
 534 static gint pop3_get_port(Pop3Session *pop3_session)
 535 {
 536 #ifdef USE_GNUTLS
 537         return pop3_session->ac_prefs->set_popport ?
 538                 pop3_session->ac_prefs->popport :
 539                 pop3_session->ac_prefs->ssl_pop == SSL_TUNNEL ? 995 : 110;
 540 #else
 541         return pop3_session->ac_prefs->set_popport ?
 542                 pop3_session->ac_prefs->popport : 110;
 543 #endif
 544 }
 545
 546 static gint inc_start(IncProgressDialog *inc_dialog)
 547 {
 548         IncSession *session;
 549         GList *qlist;
 550         Pop3Session *pop3_session;
 551         IncState inc_state;
 552         gint error_num = 0;
 553         gint new_msgs = 0;
 554         gchar *msg;
 555         gchar *fin_msg;
 556         FolderItem *processing, *inbox;
 557         GSList *msglist, *msglist_element;
 558         gboolean cancelled = FALSE;
 559
 560         qlist = inc_dialog->queue_list;
 561         while (qlist != NULL) {
 562                 GList *next = qlist->next;
 563
 564                 session = qlist->data;
 565                 pop3_session = POP3_SESSION(session->session);
 566                 pop3_session->user = g_strdup(pop3_session->ac_prefs->userid);
 567
 568                 if (password_get(pop3_session->user,
 569                                         pop3_session->ac_prefs->recv_server,
 570                                         "pop3", pop3_get_port(pop3_session),
 571                                         &(pop3_session->pass))) {
 572                         /* NOP */;
 573                 } else if (pop3_session->ac_prefs->passwd)
 574                         pop3_session->pass =
 575                                 g_strdup(pop3_session->ac_prefs->passwd);
 576                 else {
 577                         gchar *pass;
 578
 579                         if (inc_dialog->show_dialog)
 580                                 manage_window_focus_in
 581                                         (inc_dialog->dialog->window,
 582                                          NULL, NULL);
 583
 584                         pass = input_dialog_query_password_keep
 585                                 (pop3_session->ac_prefs->recv_server,
 586                                  pop3_session->user,
 587                                  &(pop3_session->ac_prefs->session_passwd));
 588
 589                         if (inc_dialog->show_dialog)
 590                                 manage_window_focus_out
 591                                         (inc_dialog->dialog->window,
 592                                          NULL, NULL);
 593
 594                         if (pass) {
 595                                 pop3_session->pass = pass;
 596                         }
 597                 }
 598
 599                 qlist = next;
 600         }
 601
 602 #define SET_PIXMAP_AND_TEXT(pix, str)                                      \
 603 {                                                                          \
 604         progress_dialog_list_set(inc_dialog->dialog,                       \
 605                                  inc_dialog->cur_row,                      \
 606                                  pix,                                      \
 607                                  NULL,                                     \
 608                                  str);                                     \
 609 }
 610
 611         for (; inc_dialog->queue_list != NULL && !cancelled; inc_dialog->cur_row++) {
 612                 session = inc_dialog->queue_list->data;
 613                 pop3_session = POP3_SESSION(session->session);
 614                 GSList *filtered, *unfiltered;
 615
 616                 if (pop3_session->pass == NULL) {
 617                         SET_PIXMAP_AND_TEXT(okpix, _("Cancelled"));
 618                         inc_session_destroy(session);
 619                         inc_dialog->queue_list =
 620                                 g_list_remove(inc_dialog->queue_list, session);
 621                         continue;
 622                 }
 623
 624                 inc_progress_dialog_clear(inc_dialog);
 625                 progress_dialog_scroll_to_row(inc_dialog->dialog,
 626                                               inc_dialog->cur_row);
 627
 628                 SET_PIXMAP_AND_TEXT(currentpix, _("Retrieving"));
 629
 630                 /* begin POP3 session */
 631                 inc_state = inc_pop3_session_do(session);
 632
 633                 switch (inc_state) {
 634                 case INC_SUCCESS:
 635                         if (pop3_session->cur_total_num > 0)
 636                                 msg = g_strdup_printf(
 637                                         ngettext("Done (%d message (%s) received)",
 638                                                  "Done (%d messages (%s) received)",
 639                                          pop3_session->cur_total_num),
 640                                          pop3_session->cur_total_num,
 641                                          to_human_readable((goffset)pop3_session->cur_total_recv_bytes));
 642                         else
 643                                 msg = g_strdup_printf(_("Done (no new messages)"));
 644                         SET_PIXMAP_AND_TEXT(okpix, msg);
 645                         g_free(msg);
 646                         break;
 647                 case INC_CONNECT_ERROR:
 648                         SET_PIXMAP_AND_TEXT(errorpix, _("Connection failed"));
 649                         break;
 650                 case INC_AUTH_FAILED:
 651                         SET_PIXMAP_AND_TEXT(errorpix, _("Auth failed"));
 652                         if (pop3_session->ac_prefs->session_passwd) {
 653                                 g_free(pop3_session->ac_prefs->session_passwd);
 654                                 pop3_session->ac_prefs->session_passwd = NULL;
 655                         }
 656                         break;
 657                 case INC_LOCKED:
 658                         SET_PIXMAP_AND_TEXT(errorpix, _("Locked"));
 659                         break;
 660                 case INC_ERROR:
 661                 case INC_NO_SPACE:
 662                 case INC_IO_ERROR:
 663                 case INC_SOCKET_ERROR:
 664                 case INC_EOF:
 665                         SET_PIXMAP_AND_TEXT(errorpix, _("Error"));
 666                         break;
 667                 case INC_TIMEOUT:
 668                         SET_PIXMAP_AND_TEXT(errorpix, _("Timeout"));
 669                         break;
 670                 case INC_CANCEL:
 671                         SET_PIXMAP_AND_TEXT(okpix, _("Cancelled"));
 672                         if (!inc_dialog->show_dialog)
 673                                 cancelled = TRUE;
 674                         break;
 675                 default:
 676                         break;
 677                 }
 678
 679                 if (pop3_session->error_val == PS_AUTHFAIL) {
 680                         if(!prefs_common.no_recv_err_panel) {
 681                                 if((prefs_common.recv_dialog_mode == RECV_DIALOG_ALWAYS) ||
 682                                     ((prefs_common.recv_dialog_mode == RECV_DIALOG_MANUAL) && focus_window))
 683                                         manage_window_focus_in(inc_dialog->dialog->window, NULL, NULL);
 684                         }
 685                 }
 686
 687                 /* CLAWS: perform filtering actions on dropped message */
 688                 /* CLAWS: get default inbox (perhaps per account) */
 689                 if (pop3_session->ac_prefs->inbox) {
 690                         /* CLAWS: get destination folder / mailbox */
 691                         inbox = folder_find_item_from_identifier(pop3_session->ac_prefs->inbox);
 692                         if (!inbox)
 693                                 inbox = folder_get_default_inbox();
 694                 } else
 695                         inbox = folder_get_default_inbox();
 696
 697                 /* get list of messages in processing */
 698                 processing = folder_get_default_processing();
 699                 folder_item_scan(processing);
 700                 msglist = folder_item_get_msg_list(processing);
 701
 702                 /* process messages */
 703                 folder_item_update_freeze();
 704
 705                 procmsg_msglist_filter(msglist, pop3_session->ac_prefs,
 706                                 &filtered, &unfiltered,
 707                                 pop3_session->ac_prefs->filter_on_recv);
 708
 709                 filtering_move_and_copy_msgs(msglist);
 710                 if (unfiltered != NULL)
 711                         folder_item_move_msgs(inbox, unfiltered);
 712
 713                 for(msglist_element = msglist; msglist_element != NULL;
 714                     msglist_element = msglist_element->next) {
 715                         MsgInfo *msginfo = (MsgInfo *)msglist_element->data;
 716                         procmsg_msginfo_free(msginfo);
 717                 }
 718                 folder_item_update_thaw();
 719
 720                 g_slist_free(msglist);
 721                 g_slist_free(filtered);
 722                 g_slist_free(unfiltered);
 723
 724                 statusbar_pop_all();
 725
 726                 new_msgs += pop3_session->cur_total_num;
 727
 728                 pop3_write_uidl_list(pop3_session);
 729
 730                 if (inc_state != INC_SUCCESS && inc_state != INC_CANCEL) {
 731                         error_num++;
 732                         if (inc_dialog->show_dialog)
 733                                 manage_window_focus_in
 734                                         (inc_dialog->dialog->window,
 735                                          NULL, NULL);
 736                         inc_put_error(inc_state, pop3_session);
 737                         if (inc_dialog->show_dialog)
 738                                 manage_window_focus_out
 739                                         (inc_dialog->dialog->window,
 740                                          NULL, NULL);
 741                         if (inc_state == INC_NO_SPACE ||
 742                             inc_state == INC_IO_ERROR)
 743                                 break;
 744                 }
 745                 folder_item_free_cache(processing, TRUE);
 746
 747                 inc_session_destroy(session);
 748                 inc_dialog->queue_list =
 749                         g_list_remove(inc_dialog->queue_list, session);
 750         }
 751
 752 #undef SET_PIXMAP_AND_TEXT
 753
 754         if (new_msgs > 0)
 755                 fin_msg = g_strdup_printf(ngettext("Finished (%d new message)",
 756                                                    "Finished (%d new messages)",
 757                                                    new_msgs), new_msgs);
 758         else
 759                 fin_msg = g_strdup_printf(_("Finished (no new messages)"));
 760
 761         progress_dialog_set_label(inc_dialog->dialog, fin_msg);
 762
 763         while (inc_dialog->queue_list != NULL) {
 764                 session = inc_dialog->queue_list->data;
 765                 inc_session_destroy(session);
 766                 inc_dialog->queue_list =
 767                         g_list_remove(inc_dialog->queue_list, session);
 768         }
 769
 770         if (prefs_common.close_recv_dialog || !inc_dialog->show_dialog)
 771                 inc_progress_dialog_destroy(inc_dialog);
 772         else {
 773                 gtk_window_set_title(GTK_WINDOW(inc_dialog->dialog->window),
 774                                      fin_msg);
 775                 gtk_button_set_label(GTK_BUTTON(inc_dialog->dialog->cancel_btn),
 776                                      GTK_STOCK_CLOSE);
 777         }
 778
 779         g_free(fin_msg);
 780
 781         return new_msgs;
 782 }
 783
 784 static IncState inc_pop3_session_do(IncSession *session)
 785 {
 786         Pop3Session *pop3_session = POP3_SESSION(session->session);
 787         IncProgressDialog *inc_dialog = (IncProgressDialog *)session->data;
 788         gchar *server;
 789         gchar *account_name;
 790         gushort port;
 791         gchar *buf;
 792
 793         debug_print("getting new messages of account %s...\n",
 794                     pop3_session->ac_prefs->account_name);
 795
 796         pop3_session->ac_prefs->last_pop_login_time = time(NULL);
 797
 798         buf = g_strdup_printf(_("%s: Retrieving new messages"),
 799                               pop3_session->ac_prefs->recv_server);
 800         gtk_window_set_title(GTK_WINDOW(inc_dialog->dialog->window), buf);
 801         g_free(buf);
 802
 803         server = pop3_session->ac_prefs->recv_server;
 804         account_name = pop3_session->ac_prefs->account_name;
 805         port = pop3_get_port(pop3_session);
 806
 807 #ifdef USE_GNUTLS
 808         SESSION(pop3_session)->ssl_type = pop3_session->ac_prefs->ssl_pop;
 809         if (pop3_session->ac_prefs->ssl_pop != SSL_NONE)
 810                 SESSION(pop3_session)->nonblocking =
 811                         pop3_session->ac_prefs->use_nonblocking_ssl;
 812 #else
 813         if (pop3_session->ac_prefs->ssl_pop != SSL_NONE) {
 814                 if (alertpanel_full(_("Insecure connection"),
 815                         _("This connection is configured to be secured "
 816                           "using SSL, but SSL is not available in this "
 817                           "build of Claws Mail. \n\n"
 818                           "Do you want to continue connecting to this "
 819                           "server? The communication would not be "
 820                           "secure."),
 821                           GTK_STOCK_CANCEL, _("Con_tinue connecting"),
 822                           NULL, FALSE, NULL, ALERT_WARNING,
 823                           G_ALERTDEFAULT) != G_ALERTALTERNATE)
 824                         return INC_CANCEL;
 825         }
 826 #endif
 827
 828         buf = g_strdup_printf(_("Account '%s': Connecting to POP3 server: %s:%d..."),
 829                                 account_name, server, port);
 830         statuswindow_print_all("%s", buf);
 831         log_message(LOG_PROTOCOL, "%s\n", buf);
 832
 833         progress_dialog_set_label(inc_dialog->dialog, buf);
 834         GTK_EVENTS_FLUSH();
 835         g_free(buf);
 836
 837         session_set_timeout(SESSION(pop3_session),
 838                             prefs_common.io_timeout_secs * 1000);
 839
 840         if (session_connect(SESSION(pop3_session), server, port) < 0) {
 841                 if(!prefs_common.no_recv_err_panel) {
 842                         if((prefs_common.recv_dialog_mode == RECV_DIALOG_ALWAYS) ||
 843                             ((prefs_common.recv_dialog_mode == RECV_DIALOG_MANUAL) && focus_window)) {
 844                                 manage_window_focus_in(inc_dialog->dialog->window, NULL, NULL);
 845                         }
 846                         alertpanel_error(_("Can't connect to POP3 server: %s:%d"),
 847                                          server, port);
 848                         manage_window_focus_out(inc_dialog->dialog->window, NULL, NULL);
 849                 } else {
 850                         log_error(LOG_PROTOCOL, _("Can't connect to POP3 server: %s:%d\n"),
 851                             server, port);
 852                 }
 853                 session->inc_state = INC_CONNECT_ERROR;
 854                 statuswindow_pop_all();
 855                 return INC_CONNECT_ERROR;
 856         }
 857
 858         while (session_is_running(SESSION(pop3_session)) &&
 859                session->inc_state != INC_CANCEL)
 860                 gtk_main_iteration();
 861
 862         if (session->inc_state == INC_SUCCESS) {
 863                 switch (pop3_session->error_val) {
 864                 case PS_SUCCESS:
 865                         switch (SESSION(pop3_session)->state) {
 866                         case SESSION_ERROR:
 867                                 if (pop3_session->state == POP3_READY)
 868                                         session->inc_state = INC_CONNECT_ERROR;
 869                                 else
 870                                         session->inc_state = INC_ERROR;
 871                                 break;
 872                         case SESSION_EOF:
 873                                 session->inc_state = INC_EOF;
 874                                 break;
 875                         case SESSION_TIMEOUT:
 876                                 session->inc_state = INC_TIMEOUT;
 877                                 break;
 878                         default:
 879                                 session->inc_state = INC_SUCCESS;
 880                                 break;
 881                         }
 882                         break;
 883                 case PS_AUTHFAIL:
 884                         session->inc_state = INC_AUTH_FAILED;
 885                         break;
 886                 case PS_IOERR:
 887                         session->inc_state = INC_IO_ERROR;
 888                         break;
 889                 case PS_SOCKET:
 890                         session->inc_state = INC_SOCKET_ERROR;
 891                         break;
 892                 case PS_LOCKBUSY:
 893                         session->inc_state = INC_LOCKED;
 894                         break;
 895                 default:
 896                         session->inc_state = INC_ERROR;
 897                         break;
 898                 }
 899         }
 900
 901         session_disconnect(SESSION(pop3_session));
 902         statusbar_pop_all();
 903
 904         return session->inc_state;
 905 }
 906
 907 static void inc_progress_dialog_update(IncProgressDialog *inc_dialog,
 908                                        IncSession *inc_session)
 909 {
 910         inc_progress_dialog_set_label(inc_dialog, inc_session);
 911         inc_progress_dialog_set_progress(inc_dialog, inc_session);
 912 }
 913
 914 static void inc_progress_dialog_set_label(IncProgressDialog *inc_dialog,
 915                                           IncSession *inc_session)
 916 {
 917         ProgressDialog *dialog = inc_dialog->dialog;
 918         Pop3Session *session;
 919
 920         cm_return_if_fail(inc_session != NULL);
 921
 922         session = POP3_SESSION(inc_session->session);
 923
 924         switch (session->state) {
 925         case POP3_GREETING:
 926                 break;
 927         case POP3_GETAUTH_USER:
 928         case POP3_GETAUTH_PASS:
 929         case POP3_GETAUTH_APOP:
 930                 progress_dialog_set_label(dialog, _("Authenticating..."));
 931                 statuswindow_pop_all();
 932                 statusbar_print_all(_("Retrieving messages from %s (%s)..."),
 933                                     SESSION(session)->server,
 934                                     session->ac_prefs->account_name);
 935                 break;
 936         case POP3_GETRANGE_STAT:
 937                 progress_dialog_set_label
 938                         (dialog, _("Getting the number of new messages (STAT)..."));
 939                 break;
 940         case POP3_GETRANGE_LAST:
 941                 progress_dialog_set_label
 942                         (dialog, _("Getting the number of new messages (LAST)..."));
 943                 break;
 944         case POP3_GETRANGE_UIDL:
 945                 progress_dialog_set_label
 946                         (dialog, _("Getting the number of new messages (UIDL)..."));
 947                 break;
 948         case POP3_GETSIZE_LIST:
 949                 progress_dialog_set_label
 950                         (dialog, _("Getting the size of messages (LIST)..."));
 951                 break;
 952         case POP3_RETR:
 953         case POP3_RETR_RECV:
 954         case POP3_DELETE:
 955                 break;
 956         case POP3_LOGOUT:
 957                 progress_dialog_set_label(dialog, _("Quitting"));
 958                 break;
 959         default:
 960                 break;
 961         }
 962 }
 963
 964 static void inc_progress_dialog_set_progress(IncProgressDialog *inc_dialog,
 965                                              IncSession *inc_session)
 966 {
 967         gchar buf[MESSAGEBUFSIZE];
 968         Pop3Session *pop3_session = POP3_SESSION(inc_session->session);
 969         gchar *total_size_str;
 970         gint cur_total;
 971         gint total;
 972
 973         if (!pop3_session->new_msg_exist) return;
 974
 975         cur_total = inc_session->cur_total_bytes;
 976         total = pop3_session->total_bytes;
 977         if (pop3_session->state == POP3_RETR ||
 978             pop3_session->state == POP3_RETR_RECV ||
 979             pop3_session->state == POP3_DELETE) {
 980                 Xstrdup_a(total_size_str, to_human_readable((goffset)total), return);
 981                 g_snprintf(buf, sizeof(buf),
 982                            _("Retrieving message (%d / %d) (%s / %s)"),
 983                            pop3_session->cur_msg, pop3_session->count,
 984                            to_human_readable((goffset)cur_total), total_size_str);
 985                 progress_dialog_set_label(inc_dialog->dialog, buf);
 986         }
 987
 988         progress_dialog_set_fraction
 989                 (inc_dialog->dialog, (total == 0) ? 0: (gfloat)cur_total / (gfloat)total);
 990
 991         statusbar_progress_all(pop3_session->cur_msg, pop3_session->count, 1);
 992
 993         if (pop3_session->cur_total_num > 0) {
 994                 g_snprintf(buf, sizeof(buf),
 995                            ngettext("Retrieving (%d message (%s) received)",
 996                                     "Retrieving (%d messages (%s) received)",
 997                                     pop3_session->cur_total_num),
 998                            pop3_session->cur_total_num,
 999                            to_human_readable
1000                            ((goffset)pop3_session->cur_total_recv_bytes));
1001                 progress_dialog_list_set_status(inc_dialog->dialog,
1002                                                 inc_dialog->cur_row,
1003                                                 buf);
1004         }
1005 }
1006
1007 static void inc_progress_dialog_update_periodic(IncProgressDialog *inc_dialog,
1008                                                 IncSession *inc_session)
1009 {
1010         GTimeVal tv_cur;
1011         GTimeVal tv_result;
1012         gint msec;
1013
1014         g_get_current_time(&tv_cur);
1015
1016         tv_result.tv_sec = tv_cur.tv_sec - inc_dialog->progress_tv.tv_sec;
1017         tv_result.tv_usec = tv_cur.tv_usec - inc_dialog->progress_tv.tv_usec;
1018         if (tv_result.tv_usec < 0) {
1019                 tv_result.tv_sec--;
1020                 tv_result.tv_usec += G_USEC_PER_SEC;
1021         }
1022
1023         msec = tv_result.tv_sec * 1000 + tv_result.tv_usec / 1000;
1024         if (msec > PROGRESS_UPDATE_INTERVAL) {
1025                 inc_progress_dialog_update(inc_dialog, inc_session);
1026                 inc_dialog->progress_tv.tv_sec = tv_cur.tv_sec;
1027                 inc_dialog->progress_tv.tv_usec = tv_cur.tv_usec;
1028         }
1029 }
1030
1031 static gint inc_recv_data_progressive(Session *session, guint cur_len,
1032                                       guint total_len, gpointer data)
1033 {
1034         IncSession *inc_session = (IncSession *)data;
1035         Pop3Session *pop3_session = POP3_SESSION(session);
1036         IncProgressDialog *inc_dialog;
1037         gint cur_total;
1038
1039         cm_return_val_if_fail(inc_session != NULL, -1);
1040
1041         if (pop3_session->state != POP3_RETR &&
1042             pop3_session->state != POP3_RETR_RECV &&
1043             pop3_session->state != POP3_DELETE &&
1044             pop3_session->state != POP3_LOGOUT) return 0;
1045
1046         if (!pop3_session->new_msg_exist) return 0;
1047
1048         cur_total = pop3_session->cur_total_bytes + cur_len;
1049         if (cur_total > pop3_session->total_bytes)
1050                 cur_total = pop3_session->total_bytes;
1051         inc_session->cur_total_bytes = cur_total;
1052
1053         inc_dialog = (IncProgressDialog *)inc_session->data;
1054         inc_progress_dialog_update_periodic(inc_dialog, inc_session);
1055
1056         return 0;
1057 }
1058
1059 static gint inc_recv_data_finished(Session *session, guint len, gpointer data)
1060 {
1061         IncSession *inc_session = (IncSession *)data;
1062         IncProgressDialog *inc_dialog;
1063
1064         cm_return_val_if_fail(inc_session != NULL, -1);
1065
1066         inc_dialog = (IncProgressDialog *)inc_session->data;
1067
1068         inc_recv_data_progressive(session, 0, 0, inc_session);
1069
1070         if (POP3_SESSION(session)->state == POP3_LOGOUT) {
1071                 inc_progress_dialog_update(inc_dialog, inc_session);
1072         }
1073
1074         return 0;
1075 }
1076
1077 static gint inc_recv_message(Session *session, const gchar *msg, gpointer data)
1078 {
1079         IncSession *inc_session = (IncSession *)data;
1080         IncProgressDialog *inc_dialog;
1081
1082         cm_return_val_if_fail(inc_session != NULL, -1);
1083
1084         inc_dialog = (IncProgressDialog *)inc_session->data;
1085
1086         switch (POP3_SESSION(session)->state) {
1087         case POP3_GETAUTH_USER:
1088         case POP3_GETAUTH_PASS:
1089         case POP3_GETAUTH_APOP:
1090         case POP3_GETRANGE_STAT:
1091         case POP3_GETRANGE_LAST:
1092         case POP3_GETRANGE_UIDL:
1093         case POP3_GETSIZE_LIST:
1094                 inc_progress_dialog_update(inc_dialog, inc_session);
1095                 break;
1096         case POP3_RETR:
1097                 inc_recv_data_progressive(session, 0, 0, inc_session);
1098                 break;
1099         case POP3_LOGOUT:
1100                 inc_progress_dialog_update(inc_dialog, inc_session);
1101                 break;
1102         default:
1103                 break;
1104         }
1105
1106         return 0;
1107 }
1108
1109 static gint inc_drop_message(Pop3Session *session, const gchar *file)
1110 {
1111         FolderItem *inbox;
1112         FolderItem *dropfolder;
1113         IncSession *inc_session = (IncSession *)(SESSION(session)->data);
1114         gint msgnum;
1115
1116         cm_return_val_if_fail(inc_session != NULL, -1);
1117
1118         if (session->ac_prefs->inbox) {
1119                 inbox = folder_find_item_from_identifier
1120                         (session->ac_prefs->inbox);
1121                 if (!inbox)
1122                         inbox = folder_get_default_inbox();
1123         } else
1124                 inbox = folder_get_default_inbox();
1125         if (!inbox) {
1126                 claws_unlink(file);
1127                 return -1;
1128         }
1129
1130         /* CLAWS: claws uses a global .processing folder for the filtering. */
1131         dropfolder = folder_get_default_processing();
1132
1133         /* add msg file to drop folder */
1134         if ((msgnum = folder_item_add_msg(
1135                         dropfolder, file, NULL, TRUE)) < 0) {
1136                 claws_unlink(file);
1137                 return -1;
1138         }
1139
1140         return 0;
1141 }
1142
1143 static void inc_put_error(IncState istate, Pop3Session *session)
1144 {
1145         gchar *log_msg = NULL;
1146         gchar *err_msg = NULL;
1147         gboolean fatal_error = FALSE;
1148
1149         switch (istate) {
1150         case INC_CONNECT_ERROR:
1151                 fatal_error = TRUE;
1152                 if (prefs_common.no_recv_err_panel)
1153                         break;
1154                 err_msg = g_strdup_printf(_("Connection to %s:%d failed."),
1155                                           SESSION(session)->server,
1156                                           SESSION(session)->port);
1157                 break;
1158         case INC_ERROR:
1159                 log_msg = _("Error occurred while processing mail.");
1160                 fatal_error = TRUE;
1161                 if (prefs_common.no_recv_err_panel)
1162                         break;
1163                 if (session->error_msg)
1164                         err_msg = g_strdup_printf
1165                                 (_("Error occurred while processing mail:\n%s"),
1166                                  session->error_msg);
1167                 else
1168                         err_msg = g_strdup(log_msg);
1169                 break;
1170         case INC_NO_SPACE:
1171                 log_msg = _("No disk space left.");
1172                 err_msg = g_strdup(log_msg);
1173                 fatal_error = TRUE;
1174                 break;
1175         case INC_IO_ERROR:
1176                 log_msg = _("Can't write file.");
1177                 err_msg = g_strdup(log_msg);
1178                 fatal_error = TRUE;
1179                 break;
1180         case INC_SOCKET_ERROR:
1181                 log_msg = _("Socket error.");
1182                 if (prefs_common.no_recv_err_panel)
1183                         break;
1184                 err_msg = g_strdup_printf(_("Socket error on connection to %s:%d."),
1185                                           SESSION(session)->server,
1186                                           SESSION(session)->port);
1187                 break;
1188         case INC_EOF:
1189                 log_msg = _("Connection closed by the remote host.");
1190                 if (prefs_common.no_recv_err_panel)
1191                         break;
1192                 err_msg = g_strdup_printf(_("Connection to %s:%d closed by the remote host."),
1193                                           SESSION(session)->server,
1194                                           SESSION(session)->port);
1195                 break;
1196         case INC_LOCKED:
1197                 log_msg = _("Mailbox is locked.");
1198                 if (prefs_common.no_recv_err_panel)
1199                         break;
1200                 if (session->error_msg)
1201                         err_msg = g_strdup_printf(_("Mailbox is locked:\n%s"),
1202                                                   session->error_msg);
1203                 else
1204                         err_msg = g_strdup(log_msg);
1205                 break;
1206         case INC_AUTH_FAILED:
1207                 log_msg = _("Authentication failed.");
1208                 fatal_error = TRUE;
1209                 if (prefs_common.no_recv_err_panel)
1210                         break;
1211                 if (session->error_msg)
1212                         err_msg = g_strdup_printf
1213                                 (_("Authentication failed:\n%s"), session->error_msg);
1214                 else
1215                         err_msg = g_strdup(log_msg);
1216                 break;
1217         case INC_TIMEOUT:
1218                 log_msg = _("Session timed out. You may be able to "
1219                             "recover by increasing the timeout value in "
1220                             "Preferences/Other/Miscellaneous.");
1221                 if (prefs_common.no_recv_err_panel)
1222                         break;
1223                 err_msg = g_strdup_printf(_("Connection to %s:%d timed out."),
1224                                           SESSION(session)->server,
1225                                           SESSION(session)->port);
1226                 break;
1227         default:
1228                 break;
1229         }
1230
1231         if (log_msg) {
1232                 if (fatal_error)
1233                         log_error(LOG_PROTOCOL, "%s\n", log_msg);
1234                 else
1235                         log_warning(LOG_PROTOCOL, "%s\n", log_msg);
1236         }
1237         if (prefs_common.no_recv_err_panel && fatal_error)
1238                 mainwindow_show_error();
1239
1240         if (err_msg) {
1241                 alertpanel_error_log("%s", err_msg);
1242                 g_free(err_msg);
1243         }
1244 }
1245
1246 static void inc_cancel(IncProgressDialog *dialog)
1247 {
1248         IncSession *session;
1249
1250         cm_return_if_fail(dialog != NULL);
1251
1252         if (dialog->queue_list == NULL) {
1253                 inc_progress_dialog_destroy(dialog);
1254                 return;
1255         }
1256
1257         session = dialog->queue_list->data;
1258
1259         session->inc_state = INC_CANCEL;
1260
1261         log_message(LOG_PROTOCOL, _("Incorporation cancelled\n"));
1262 }
1263
1264 gboolean inc_is_active(void)
1265 {
1266         return (inc_dialog_list != NULL);
1267 }
1268
1269 void inc_cancel_all(void)
1270 {
1271         GList *cur;
1272
1273         for (cur = inc_dialog_list; cur != NULL; cur = cur->next)
1274                 inc_cancel((IncProgressDialog *)cur->data);
1275 }
1276
1277 static void inc_showlog_cb(GtkWidget *widget, gpointer data)
1278 {
1279         MainWindow *mainwin = mainwindow_get_mainwindow();
1280
1281         log_window_show(mainwin->logwin);
1282 }
1283
1284 static void inc_cancel_cb(GtkWidget *widget, gpointer data)
1285 {
1286         inc_cancel((IncProgressDialog *)data);
1287 }
1288
1289 static gint inc_dialog_delete_cb(GtkWidget *widget, GdkEventAny *event,
1290                                  gpointer data)
1291 {
1292         IncProgressDialog *dialog = (IncProgressDialog *)data;
1293
1294         if (dialog->queue_list == NULL)
1295                 inc_progress_dialog_destroy(dialog);
1296
1297         return TRUE;
1298 }
1299
1300 static gint inc_spool_account(PrefsAccount *account)
1301 {
1302         FolderItem *inbox;
1303         gchar *mbox;
1304         gint result;
1305
1306         if (account->local_inbox) {
1307                 inbox = folder_find_item_from_identifier(account->local_inbox);
1308                 if (!inbox)
1309                         inbox = folder_get_default_inbox();
1310         } else
1311                 inbox = folder_get_default_inbox();
1312
1313         if (account->local_mbox) {
1314                 if (is_file_exist(account->local_mbox))
1315                         mbox = g_strdup(account->local_mbox);
1316                 else if (is_dir_exist(account->local_mbox))
1317                         mbox = g_strconcat(account->local_mbox, G_DIR_SEPARATOR_S,
1318                                            g_get_user_name(), NULL);
1319                 else {
1320                         debug_print("%s: local mailbox not found.\n",
1321                                     account->local_mbox);
1322                         return -1;
1323                 }
1324         } else {
1325                 debug_print("local mailbox not set in account info.\n");
1326                 return -1;
1327         }
1328
1329         result = get_spool(inbox, mbox, account);
1330         g_free(mbox);
1331
1332         statusbar_pop_all();
1333
1334         return result;
1335 }
1336
1337 static gint inc_all_spool(void)
1338 {
1339         GList *list = NULL;
1340         gint new_msgs = 0;
1341         gint account_new_msgs = 0;
1342
1343         list = account_get_list();
1344         if (!list) return 0;
1345
1346         for (; list != NULL; list = list->next) {
1347                 PrefsAccount *account = list->data;
1348
1349                 if ((account->protocol == A_LOCAL) &&
1350                     (account->recv_at_getall)) {
1351                         account_new_msgs = inc_spool_account(account);
1352                         if (account_new_msgs > 0)
1353                                 new_msgs += account_new_msgs;
1354                 }
1355         }
1356
1357         return new_msgs;
1358 }
1359
1360 static gint get_spool(FolderItem *dest, const gchar *mbox, PrefsAccount *account)
1361 {
1362         gint msgs, size;
1363         gint lockfd;
1364         gchar tmp_mbox[MAXPATHLEN + 1];
1365
1366         cm_return_val_if_fail(dest != NULL, -1);
1367         cm_return_val_if_fail(mbox != NULL, -1);
1368         cm_return_val_if_fail(account != NULL, -1);
1369
1370         if (!is_file_exist(mbox) || (size = get_file_size(mbox)) == 0) {
1371                 debug_print("%s: no messages in local mailbox.\n", mbox);
1372                 return 0;
1373         } else if (size < 0)
1374                 return -1;
1375
1376         if ((lockfd = lock_mbox(mbox, LOCK_FLOCK)) < 0)
1377                 return -1;
1378
1379         g_snprintf(tmp_mbox, sizeof(tmp_mbox), "%s%ctmpmbox.%p",
1380                    get_tmp_dir(), G_DIR_SEPARATOR, mbox);
1381
1382         if (copy_mbox(lockfd, tmp_mbox) < 0) {
1383                 unlock_mbox(mbox, lockfd, LOCK_FLOCK);
1384                 return -1;
1385         }
1386
1387         debug_print("Getting new messages from %s into %s...\n",
1388                     mbox, dest->path);
1389
1390         msgs = proc_mbox(dest, tmp_mbox, account->filter_on_recv, account);
1391
1392         claws_unlink(tmp_mbox);
1393         if (msgs >= 0) empty_mbox(mbox);
1394         unlock_mbox(mbox, lockfd, LOCK_FLOCK);
1395
1396         return msgs;
1397 }
1398
1399 void inc_lock_real(void)
1400 {
1401         inc_lock_count++;
1402 }
1403
1404 void inc_unlock_real(void)
1405 {
1406         if (inc_lock_count > 0)
1407                 inc_lock_count--;
1408 }
1409
1410 static guint autocheck_timer = 0;
1411 static gpointer autocheck_data = NULL;
1412
1413 static void inc_notify_cmd(gint new_msgs, gboolean notify)
1414 {
1415         gchar *buf, *numpos, *ret_str;
1416         gssize by_read = 0, by_written = 0;
1417
1418         if (!(new_msgs && notify && prefs_common.newmail_notify_cmd &&
1419             *prefs_common.newmail_notify_cmd))
1420                      return;
1421
1422         buf = g_strdup(prefs_common.newmail_notify_cmd);
1423         if ((numpos = strstr(buf, "%d")) != NULL) {
1424                 gchar *buf2;
1425
1426                 *numpos = '\0';
1427                 buf2 = g_strdup_printf("%s%d%s", buf, new_msgs, numpos + 2);
1428                 g_free(buf);
1429                 buf = buf2;
1430         }
1431
1432         ret_str = g_locale_from_utf8(buf, strlen(buf), &by_read, &by_written,
1433                                      NULL);
1434         if (ret_str && by_written) {
1435                 g_free(buf);
1436                 buf = ret_str;
1437         }
1438         debug_print("executing new mail notification command: %s\n", buf);
1439         execute_command_line(buf, TRUE);
1440
1441         g_free(buf);
1442 }
1443
1444 void inc_autocheck_timer_init(MainWindow *mainwin)
1445 {
1446         autocheck_data = mainwin;
1447         inc_autocheck_timer_set();
1448 }
1449
1450 static void inc_autocheck_timer_set_interval(guint interval)
1451 {
1452         inc_autocheck_timer_remove();
1453         /* last test is to avoid re-enabling auto_check after modifying
1454            the common preferences */
1455         if (prefs_common.autochk_newmail && autocheck_data
1456             && prefs_common.work_offline == FALSE) {
1457 #if GLIB_CHECK_VERSION(2,14,0)
1458                 if (interval % 1000 == 0)
1459                         autocheck_timer =
1460                                 g_timeout_add_seconds(interval/1000, inc_autocheck_func, autocheck_data);
1461                 else
1462 #endif
1463                 autocheck_timer = g_timeout_add
1464                         (interval, inc_autocheck_func, autocheck_data);
1465                 debug_print("added timer = %d\n", autocheck_timer);
1466         }
1467 }
1468
1469 void inc_autocheck_timer_set(void)
1470 {
1471         inc_autocheck_timer_set_interval(prefs_common.autochk_itv * 60000);
1472 }
1473
1474 void inc_autocheck_timer_remove(void)
1475 {
1476         if (autocheck_timer) {
1477                 debug_print("removed timer = %d\n", autocheck_timer);
1478                 g_source_remove(autocheck_timer);
1479                 autocheck_timer = 0;
1480         }
1481 }
1482
1483 static gint inc_autocheck_func(gpointer data)
1484 {
1485         MainWindow *mainwin = (MainWindow *)data;
1486
1487         if (inc_lock_count) {
1488                 debug_print("autocheck is locked.\n");
1489                 inc_autocheck_timer_set_interval(1000);
1490                 return FALSE;
1491         }
1492
1493         inc_all_account_mail(mainwin, TRUE, prefs_common.newmail_notify_auto);
1494
1495         return FALSE;
1496 }
1497
1498 gboolean inc_offline_should_override(gboolean force_ask, const gchar *msg)
1499 {
1500         static time_t overridden_yes = 0;
1501         static time_t overridden_no  = 0;
1502         int length = 10; /* minutes */
1503         gint answer = G_ALERTDEFAULT;
1504
1505 #ifdef HAVE_NETWORKMANAGER_SUPPORT
1506         /* If no network connection is available, override is not possible */
1507         if(!networkmanager_is_online(NULL))
1508                 return FALSE;
1509 #endif
1510
1511         if (prefs_common.autochk_newmail)
1512                 length = prefs_common.autochk_itv; /* minutes */
1513
1514         if (force_ask) {
1515                 overridden_no = (time_t)0;
1516         }
1517
1518         if (prefs_common.work_offline) {
1519                 gchar *tmp = NULL;
1520
1521                 if (time(NULL) - overridden_yes < length * 60) /* seconds */
1522                          return TRUE;
1523                 else if (time(NULL) - overridden_no < length * 60) /* seconds */
1524                          return FALSE;
1525
1526                 if (!force_ask)
1527                         tmp = g_strdup_printf(
1528                                 _("%s%sYou're working offline. Override for %d minutes?"),
1529                                 msg?msg:"",
1530                                 msg?"\n\n":"",
1531                                 length);
1532                 else
1533                         tmp = g_strdup_printf(
1534                                 _("%s%sYou're working offline. Override?"),
1535                                 msg?msg:"",
1536                                 msg?"\n\n":"");
1537
1538                 answer = alertpanel(_("Offline warning"),
1539                                tmp,
1540                                GTK_STOCK_NO, "+" GTK_STOCK_YES,
1541                                 !force_ask? _("On_ly once"):NULL);
1542                 g_free(tmp);
1543                 if (answer == G_ALERTALTERNATE) {
1544                         overridden_yes = time(NULL);
1545                         return TRUE;
1546                 } else if (answer == G_ALERTDEFAULT) {
1547                         if (!force_ask)
1548                                 overridden_no  = time(NULL);
1549                         return FALSE;
1550                 } else {
1551                         overridden_yes = (time_t)0;
1552                         overridden_no  = (time_t)0;
1553                         return TRUE;
1554                 }
1555         }
1556         return TRUE;
1557 }