src/inc.c

   1 /*
   2  * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
   3  * Copyright (C) 1999-2003 Hiroyuki Yamamoto
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; either version 2 of the License, or
   8  * (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License
  16  * along with this program; if not, write to the Free Software
  17  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  18  */
  19
  20 #ifdef HAVE_CONFIG_H
  21 #  include "config.h"
  22 #endif
  23
  24 #include "defs.h"
  25
  26 #include <glib.h>
  27 #include <gtk/gtkmain.h>
  28 #include <gtk/gtkwindow.h>
  29 #include <gtk/gtksignal.h>
  30 #include <gtk/gtkprogressbar.h>
  31 #include <stdio.h>
  32 #include <unistd.h>
  33 #include <string.h>
  34 #include <time.h>
  35 #include <sys/types.h>
  36 #include <sys/stat.h>
  37 #include <sys/wait.h>
  38 #include <signal.h>
  39 #include <errno.h>
  40
  41 #include "intl.h"
  42 #include "main.h"
  43 #include "inc.h"
  44 #include "mainwindow.h"
  45 #include "folderview.h"
  46 #include "summaryview.h"
  47 #include "prefs_common.h"
  48 #include "prefs_account.h"
  49 #include "account.h"
  50 #include "procmsg.h"
  51 #include "socket.h"
  52 #include "ssl.h"
  53 #include "pop.h"
  54 #include "recv.h"
  55 #include "mbox.h"
  56 #include "utils.h"
  57 #include "gtkutils.h"
  58 #include "statusbar.h"
  59 #include "manage_window.h"
  60 #include "stock_pixmap.h"
  61 #include "progressdialog.h"
  62 #include "inputdialog.h"
  63 #include "alertpanel.h"
  64 #include "folder.h"
  65 #include "filtering.h"
  66 #include "log.h"
  67 #include "hooks.h"
  68
  69 static GList *inc_dialog_list = NULL;
  70
  71 static guint inc_lock_count = 0;
  72
  73 static GdkPixmap *currentxpm;
  74 static GdkBitmap *currentxpmmask;
  75 static GdkPixmap *errorxpm;
  76 static GdkBitmap *errorxpmmask;
  77 static GdkPixmap *okxpm;
  78 static GdkBitmap *okxpmmask;
  79
  80 #define MSGBUFSIZE      8192
  81
  82 static void inc_finished                (MainWindow             *mainwin,
  83                                          gboolean                new_messages);
  84 static gint inc_account_mail            (PrefsAccount           *account,
  85                                          MainWindow             *mainwin);
  86
  87 static IncProgressDialog *inc_progress_dialog_create
  88                                         (gboolean                autocheck);
  89 static void inc_progress_dialog_set_list(IncProgressDialog      *inc_dialog);
  90 static void inc_progress_dialog_destroy (IncProgressDialog      *inc_dialog);
  91
  92 static IncSession *inc_session_new      (PrefsAccount           *account);
  93 static void inc_session_destroy         (IncSession             *session);
  94 static gint inc_start                   (IncProgressDialog      *inc_dialog);
  95 static IncState inc_pop3_session_do     (IncSession             *session);
  96
  97 static void inc_progress_dialog_set_label
  98                                         (IncProgressDialog      *inc_dialog,
  99                                          IncSession             *inc_session);
 100
 101 static gint inc_recv_data_progressive   (Session        *session,
 102                                          guint           cur_len,
 103                                          guint           total_len,
 104                                          gpointer        data);
 105 static gint inc_recv_data_finished      (Session        *session,
 106                                          guint           len,
 107                                          gpointer        data);
 108 static gint inc_recv_message            (Session        *session,
 109                                          const gchar    *msg,
 110                                          gpointer        data);
 111
 112 static void inc_put_error               (IncState        istate,
 113                                          const gchar    *msg);
 114
 115 static void inc_cancel_cb               (GtkWidget      *widget,
 116                                          gpointer        data);
 117 static gint inc_dialog_delete_cb        (GtkWidget      *widget,
 118                                          GdkEventAny    *event,
 119                                          gpointer        data);
 120
 121 static gint inc_spool                   (void);
 122 static gint get_spool                   (FolderItem     *dest,
 123                                          const gchar    *mbox);
 124
 125 static gint inc_spool_account(PrefsAccount *account);
 126 static gint inc_all_spool(void);
 127 static void inc_autocheck_timer_set_interval    (guint           interval);
 128 static gint inc_autocheck_func                  (gpointer        data);
 129
 130 static void inc_notify_cmd              (gint new_msgs,
 131                                          gboolean notify);
 132
 133 /**
 134  * inc_finished:
 135  * @mainwin: Main window.
 136  * @new_messages: TRUE if some messages have been received.
 137  *
 138  * Update the folder view and the summary view after receiving
 139  * messages.  If @new_messages is FALSE, this function avoids unneeded
 140  * updating.
 141  **/
 142 static void inc_finished(MainWindow *mainwin, gboolean new_messages)
 143 {
 144         FolderItem *item;
 145
 146         if (prefs_common.scan_all_after_inc)
 147                 folderview_check_new(NULL);
 148
 149         if (!new_messages && !prefs_common.scan_all_after_inc) return;
 150
 151         if (prefs_common.open_inbox_on_inc) {
 152                 item = cur_account && cur_account->inbox
 153                         ? folder_find_item_from_identifier(cur_account->inbox)
 154                         : folder_get_default_inbox();
 155         }
 156 }
 157
 158 void inc_mail(MainWindow *mainwin, gboolean notify)
 159 {
 160         gint new_msgs = 0;
 161         gint account_new_msgs = 0;
 162
 163         if (inc_lock_count) return;
 164
 165         if (prefs_common.work_offline)
 166                 if (alertpanel(_("Offline warning"),
 167                                _("You're working offline. Override?"),
 168                                _("Yes"), _("No"), NULL) != G_ALERTDEFAULT)
 169                 return;
 170
 171         inc_lock();
 172         inc_autocheck_timer_remove();
 173         main_window_lock(mainwin);
 174
 175         if (prefs_common.use_extinc && prefs_common.extinc_cmd) {
 176                 /* external incorporating program */
 177                 if (execute_command_line(prefs_common.extinc_cmd, FALSE) < 0) {
 178                         main_window_unlock(mainwin);
 179                         inc_autocheck_timer_set();
 180                         return;
 181                 }
 182
 183                 if (prefs_common.inc_local) {
 184                         account_new_msgs = inc_spool();
 185                         if (account_new_msgs > 0)
 186                                 new_msgs += account_new_msgs;
 187                 }
 188         } else {
 189                 if (prefs_common.inc_local) {
 190                         account_new_msgs = inc_spool();
 191                         if (account_new_msgs > 0)
 192                                 new_msgs += account_new_msgs;
 193                 }
 194
 195                 account_new_msgs = inc_account_mail(cur_account, mainwin);
 196                 if (account_new_msgs > 0)
 197                         new_msgs += account_new_msgs;
 198         }
 199
 200         inc_finished(mainwin, new_msgs > 0);
 201         main_window_unlock(mainwin);
 202         inc_notify_cmd(new_msgs, notify);
 203         inc_autocheck_timer_set();
 204         inc_unlock();
 205 }
 206
 207 void inc_pop_before_smtp(PrefsAccount *acc)
 208 {
 209         /* FIXME: assumes to attach to first main window */
 210         inc_account_mail(acc, mainwindow_get_mainwindow());
 211 }
 212
 213 static gint inc_account_mail(PrefsAccount *account, MainWindow *mainwin)
 214 {
 215         IncProgressDialog *inc_dialog;
 216         IncSession *session;
 217         FolderItem *item = NULL;
 218
 219         if(mainwin && mainwin->summaryview)
 220                 item = mainwin->summaryview->folder_item;
 221
 222         switch (account->protocol) {
 223         case A_IMAP4:
 224         case A_NNTP:
 225                 /* Melvin: bug [14]
 226                  * FIXME: it should return foldeview_check_new() value.
 227                  * TODO: do it when bug [19] is fixed (IMAP folder sets
 228                  * an incorrect new message count)
 229                  */
 230                 folderview_check_new(FOLDER(account->folder));
 231                 return 0;
 232         case A_POP3:
 233         case A_APOP:
 234                 session = inc_session_new(account);
 235                 if (!session) return 0;
 236
 237                 inc_dialog = inc_progress_dialog_create(FALSE);
 238                 inc_dialog->queue_list = g_list_append(inc_dialog->queue_list,
 239                                                        session);
 240                 inc_dialog->mainwin = mainwin;
 241                 inc_progress_dialog_set_list(inc_dialog);
 242
 243                 if (mainwin) {
 244                         toolbar_main_set_sensitive(mainwin);
 245                         main_window_set_menu_sensitive(mainwin);
 246                 }
 247
 248                 return inc_start(inc_dialog);
 249
 250         case A_LOCAL:
 251                 return inc_spool_account(account);
 252
 253         default:
 254                 break;
 255         }
 256         return 0;
 257 }
 258
 259 void inc_all_account_mail(MainWindow *mainwin, gboolean autocheck,
 260                           gboolean notify)
 261 {
 262         GList *list, *queue_list = NULL;
 263         IncProgressDialog *inc_dialog;
 264         gint new_msgs = 0;
 265         gint account_new_msgs = 0;
 266
 267         if (prefs_common.work_offline)
 268                 if (alertpanel(_("Offline warning"),
 269                                _("You're working offline. Override?"),
 270                                _("Yes"), _("No"), NULL) != G_ALERTDEFAULT)
 271                 return;
 272
 273         if (inc_lock_count) return;
 274
 275         inc_autocheck_timer_remove();
 276         main_window_lock(mainwin);
 277
 278         if (prefs_common.inc_local) {
 279                 account_new_msgs = inc_spool();
 280                 if (account_new_msgs > 0)
 281                         new_msgs += account_new_msgs;
 282         }
 283
 284         list = account_get_list();
 285         if (!list) {
 286                 inc_finished(mainwin, new_msgs > 0);
 287                 main_window_unlock(mainwin);
 288                 inc_notify_cmd(new_msgs, notify);
 289                 inc_autocheck_timer_set();
 290                 return;
 291         }
 292
 293         /* check local folders */
 294         account_new_msgs = inc_all_spool();
 295         if (account_new_msgs > 0)
 296                 new_msgs += account_new_msgs;
 297
 298         /* check IMAP4 folders */
 299         for (; list != NULL; list = list->next) {
 300                 PrefsAccount *account = list->data;
 301                 if ((account->protocol == A_IMAP4 ||
 302                      account->protocol == A_NNTP) && account->recv_at_getall) {
 303                         new_msgs += folderview_check_new(FOLDER(account->folder));
 304                 }
 305         }
 306
 307         /* check POP3 accounts */
 308         for (list = account_get_list(); list != NULL; list = list->next) {
 309                 IncSession *session;
 310                 PrefsAccount *account = list->data;
 311
 312                 if (account->recv_at_getall) {
 313                         session = inc_session_new(account);
 314                         if (session)
 315                                 queue_list = g_list_append(queue_list, session);
 316                 }
 317         }
 318
 319         if (!queue_list) {
 320                 inc_finished(mainwin, new_msgs > 0);
 321                 main_window_unlock(mainwin);
 322                 inc_notify_cmd(new_msgs, notify);
 323                 inc_autocheck_timer_set();
 324                 return;
 325         }
 326
 327         inc_dialog = inc_progress_dialog_create(autocheck);
 328         inc_dialog->queue_list = queue_list;
 329         inc_dialog->mainwin = mainwin;
 330         inc_progress_dialog_set_list(inc_dialog);
 331
 332         toolbar_main_set_sensitive(mainwin);
 333         main_window_set_menu_sensitive(mainwin);
 334
 335         new_msgs += inc_start(inc_dialog);
 336         inc_finished(mainwin, new_msgs > 0);
 337         main_window_unlock(mainwin);
 338         inc_notify_cmd(new_msgs, notify);
 339         inc_autocheck_timer_set();
 340 }
 341
 342 static IncProgressDialog *inc_progress_dialog_create(gboolean autocheck)
 343 {
 344         IncProgressDialog *dialog;
 345         ProgressDialog *progress;
 346
 347         dialog = g_new0(IncProgressDialog, 1);
 348
 349         progress = progress_dialog_create();
 350         gtk_window_set_title(GTK_WINDOW(progress->window),
 351                              _("Retrieving new messages"));
 352         gtk_signal_connect(GTK_OBJECT(progress->cancel_btn), "clicked",
 353                            GTK_SIGNAL_FUNC(inc_cancel_cb), dialog);
 354         gtk_signal_connect(GTK_OBJECT(progress->window), "delete_event",
 355                            GTK_SIGNAL_FUNC(inc_dialog_delete_cb), dialog);
 356         /* manage_window_set_transient(GTK_WINDOW(progress->window)); */
 357
 358         progress_dialog_set_value(progress, 0.0);
 359
 360         stock_pixmap_gdk(progress->clist, STOCK_PIXMAP_COMPLETE,
 361                          &okxpm, &okxpmmask);
 362         stock_pixmap_gdk(progress->clist, STOCK_PIXMAP_CONTINUE,
 363                          &currentxpm, &currentxpmmask);
 364         stock_pixmap_gdk(progress->clist, STOCK_PIXMAP_ERROR,
 365                          &errorxpm, &errorxpmmask);
 366
 367         if (prefs_common.recv_dialog_mode == RECV_DIALOG_ALWAYS ||
 368             (prefs_common.recv_dialog_mode == RECV_DIALOG_MANUAL &&
 369              !autocheck)) {
 370                 dialog->show_dialog = TRUE;
 371                 gtk_widget_show_now(progress->window);
 372         }
 373
 374         dialog->dialog = progress;
 375         dialog->queue_list = NULL;
 376         dialog->cur_row = 0;
 377
 378         inc_dialog_list = g_list_append(inc_dialog_list, dialog);
 379
 380         return dialog;
 381 }
 382
 383 static void inc_progress_dialog_set_list(IncProgressDialog *inc_dialog)
 384 {
 385         GList *list;
 386
 387         for (list = inc_dialog->queue_list; list != NULL; list = list->next) {
 388                 IncSession *session = list->data;
 389                 Pop3Session *pop3_session = POP3_SESSION(session->session);
 390                 gchar *text[3];
 391
 392                 session->data = inc_dialog;
 393
 394                 text[0] = NULL;
 395                 text[1] = pop3_session->ac_prefs->account_name;
 396                 text[2] = _("Standby");
 397                 gtk_clist_append(GTK_CLIST(inc_dialog->dialog->clist), text);
 398         }
 399 }
 400
 401 static void inc_progress_dialog_clear(IncProgressDialog *inc_dialog)
 402 {
 403         progress_dialog_set_value(inc_dialog->dialog, 0.0);
 404         progress_dialog_set_label(inc_dialog->dialog, "");
 405         if (inc_dialog->mainwin)
 406                 gtk_progress_set_show_text
 407                         (GTK_PROGRESS(inc_dialog->mainwin->progressbar), FALSE);
 408         gtk_progress_bar_update
 409                 (GTK_PROGRESS_BAR(inc_dialog->mainwin->progressbar), 0.0);
 410 }
 411
 412 static void inc_progress_dialog_destroy(IncProgressDialog *inc_dialog)
 413 {
 414         g_return_if_fail(inc_dialog != NULL);
 415
 416         inc_dialog_list = g_list_remove(inc_dialog_list, inc_dialog);
 417
 418         if (inc_dialog->mainwin)
 419                 gtk_progress_set_show_text
 420                         (GTK_PROGRESS(inc_dialog->mainwin->progressbar), FALSE);
 421         gtk_progress_bar_update
 422                 (GTK_PROGRESS_BAR(inc_dialog->mainwin->progressbar), 0.0);
 423
 424         progress_dialog_destroy(inc_dialog->dialog);
 425
 426         g_free(inc_dialog);
 427 }
 428
 429 static IncSession *inc_session_new(PrefsAccount *account)
 430 {
 431         IncSession *session;
 432
 433         g_return_val_if_fail(account != NULL, NULL);
 434
 435         if (account->protocol != A_POP3 && account->protocol != A_APOP)
 436                 return NULL;
 437         if (!account->recv_server || !account->userid)
 438                 return NULL;
 439
 440         session = g_new0(IncSession, 1);
 441         session->session = pop3_session_new(account);
 442         session->session->data = session;
 443
 444         return session;
 445 }
 446
 447 static void inc_session_destroy(IncSession *session)
 448 {
 449         g_return_if_fail(session != NULL);
 450
 451         session_destroy(session->session);
 452         g_free(session);
 453 }
 454
 455 static gint inc_start(IncProgressDialog *inc_dialog)
 456 {
 457         IncSession *session;
 458         GtkCList *clist = GTK_CLIST(inc_dialog->dialog->clist);
 459         GList *qlist;
 460         Pop3Session *pop3_session;
 461         IncState inc_state;
 462         gint error_num = 0;
 463         gint new_msgs = 0;
 464         gchar *msg;
 465         gchar *fin_msg;
 466         FolderItem *processing, *inbox;
 467         MsgInfo *msginfo;
 468         GSList *msglist, *msglist_element;
 469
 470         qlist = inc_dialog->queue_list;
 471         while (qlist != NULL) {
 472                 GList *next = qlist->next;
 473
 474                 session = qlist->data;
 475                 pop3_session = POP3_SESSION(session->session);
 476                 pop3_session->user = g_strdup(pop3_session->ac_prefs->userid);
 477                 if (pop3_session->ac_prefs->passwd)
 478                         pop3_session->pass =
 479                                 g_strdup(pop3_session->ac_prefs->passwd);
 480                 else if (pop3_session->ac_prefs->tmp_pass)
 481                         pop3_session->pass =
 482                                 g_strdup(pop3_session->ac_prefs->tmp_pass);
 483                 else {
 484                         gchar *pass;
 485
 486                         if (inc_dialog->show_dialog)
 487                                 manage_window_focus_in
 488                                         (inc_dialog->dialog->window,
 489                                          NULL, NULL);
 490
 491                         pass = input_dialog_query_password
 492                                 (pop3_session->ac_prefs->recv_server,
 493                                  pop3_session->user);
 494
 495                         if (inc_dialog->show_dialog)
 496                                 manage_window_focus_out
 497                                         (inc_dialog->dialog->window,
 498                                          NULL, NULL);
 499
 500                         if (pass) {
 501                                 pop3_session->ac_prefs->tmp_pass =
 502                                         g_strdup(pass);
 503                                 pop3_session->pass = pass;
 504                         }
 505                 }
 506
 507                 qlist = next;
 508         }
 509
 510 #define SET_PIXMAP_AND_TEXT(xpm, xpmmask, str)                             \
 511 {                                                                          \
 512         gtk_clist_set_pixmap(clist, inc_dialog->cur_row, 0, xpm, xpmmask); \
 513         gtk_clist_set_text(clist, inc_dialog->cur_row, 2, str);            \
 514 }
 515
 516         for (; inc_dialog->queue_list != NULL; inc_dialog->cur_row++) {
 517                 session = inc_dialog->queue_list->data;
 518                 pop3_session = POP3_SESSION(session->session);
 519
 520                 if (pop3_session->pass == NULL) {
 521                         SET_PIXMAP_AND_TEXT(okxpm, okxpmmask, _("Cancelled"));
 522                         inc_session_destroy(session);
 523                         inc_dialog->queue_list =
 524                                 g_list_remove(inc_dialog->queue_list, session);
 525                         continue;
 526                 }
 527
 528                 inc_progress_dialog_clear(inc_dialog);
 529                 gtk_clist_moveto(clist, inc_dialog->cur_row, -1, 1.0, 0.0);
 530
 531                 SET_PIXMAP_AND_TEXT(currentxpm, currentxpmmask,
 532                                     _("Retrieving"));
 533
 534                 session_set_recv_message_notify(session->session,
 535                                                 inc_recv_message, session);
 536                 session_set_recv_data_progressive_notify
 537                         (session->session, inc_recv_data_progressive, session);
 538                 session_set_recv_data_notify(session->session,
 539                                              inc_recv_data_finished, session);
 540
 541                 /* begin POP3 session */
 542                 inc_state = inc_pop3_session_do(session);
 543
 544                 switch (inc_state) {
 545                 case INC_SUCCESS:
 546                         if (pop3_session->cur_total_num > 0)
 547                                 msg = g_strdup_printf
 548                                         (_("Done (%d message(s) (%s) received)"),
 549                                          pop3_session->cur_total_num,
 550                                          to_human_readable(pop3_session->cur_total_recv_bytes));
 551                         else
 552                                 msg = g_strdup_printf(_("Done (no new messages)"));
 553                         SET_PIXMAP_AND_TEXT(okxpm, okxpmmask, msg);
 554                         g_free(msg);
 555                         break;
 556                 case INC_CONNECT_ERROR:
 557                         SET_PIXMAP_AND_TEXT(errorxpm, errorxpmmask,
 558                                             _("Connection failed"));
 559                         break;
 560                 case INC_AUTH_FAILED:
 561                         SET_PIXMAP_AND_TEXT(errorxpm, errorxpmmask,
 562                                             _("Auth failed"));
 563                         break;
 564                 case INC_LOCKED:
 565                         SET_PIXMAP_AND_TEXT(errorxpm, errorxpmmask,
 566                                             _("Locked"));
 567                         break;
 568                 case INC_ERROR:
 569                 case INC_NO_SPACE:
 570                 case INC_IO_ERROR:
 571                 case INC_SOCKET_ERROR:
 572                 case INC_EOF:
 573                         SET_PIXMAP_AND_TEXT(errorxpm, errorxpmmask, _("Error"));
 574                         break;
 575                 case INC_CANCEL:
 576                         SET_PIXMAP_AND_TEXT(okxpm, okxpmmask, _("Cancelled"));
 577                         break;
 578                 default:
 579                         break;
 580                 }
 581
 582                 if (pop3_session->error_val == PS_AUTHFAIL) {
 583                         if(!prefs_common.no_recv_err_panel) {
 584                                 if((prefs_common.recv_dialog_mode == RECV_DIALOG_ALWAYS) ||
 585                                     ((prefs_common.recv_dialog_mode == RECV_DIALOG_MANUAL) && focus_window)) {
 586                                         manage_window_focus_in(inc_dialog->dialog->window, NULL, NULL);
 587                                 }
 588                                 alertpanel_error
 589                                         (_("Authorization for %s on %s failed"),
 590                                          pop3_session->user,
 591                                          pop3_session->ac_prefs->recv_server);
 592                         }
 593                 }
 594
 595                 /* CLAWS: perform filtering actions on dropped message */
 596                 /* CLAWS: get default inbox (perhaps per account) */
 597                 if (pop3_session->ac_prefs->inbox) {
 598                         /* CLAWS: get destination folder / mailbox */
 599                         inbox = folder_find_item_from_identifier(pop3_session->ac_prefs->inbox);
 600                         if (!inbox)
 601                                 inbox = folder_get_default_inbox();
 602                 } else
 603                         inbox = folder_get_default_inbox();
 604
 605                 /* get list of messages in processing */
 606                 processing = folder_get_default_processing();
 607                 folder_item_scan(processing);
 608                 msglist = folder_item_get_msg_list(processing);
 609
 610                 folder_item_update_freeze();
 611
 612                 /* process messages */
 613                 for(msglist_element = msglist; msglist_element != NULL; msglist_element = msglist_element->next) {
 614                         msginfo = (MsgInfo *) msglist_element->data;
 615                         if (!pop3_session->ac_prefs->filter_on_recv || !procmsg_msginfo_filter(msginfo))
 616                                 folder_item_move_msg(inbox, msginfo);
 617                         procmsg_msginfo_free(msginfo);
 618                 }
 619                 g_slist_free(msglist);
 620
 621                 folder_item_update_thaw();
 622
 623                 statusbar_pop_all();
 624
 625                 new_msgs += pop3_session->cur_total_num;
 626
 627                 if (pop3_session->error_val == PS_AUTHFAIL &&
 628                     pop3_session->ac_prefs->tmp_pass) {
 629                         g_free(pop3_session->ac_prefs->tmp_pass);
 630                         pop3_session->ac_prefs->tmp_pass = NULL;
 631                 }
 632
 633                 pop3_write_uidl_list(pop3_session);
 634
 635                 if (inc_state != INC_SUCCESS && inc_state != INC_CANCEL) {
 636                         error_num++;
 637                         if (inc_dialog->show_dialog)
 638                                 manage_window_focus_in
 639                                         (inc_dialog->dialog->window,
 640                                          NULL, NULL);
 641                         inc_put_error(inc_state, pop3_session->error_msg);
 642                         if (inc_dialog->show_dialog)
 643                                 manage_window_focus_out
 644                                         (inc_dialog->dialog->window,
 645                                          NULL, NULL);
 646                         if (inc_state == INC_NO_SPACE ||
 647                             inc_state == INC_IO_ERROR)
 648                                 break;
 649                 }
 650
 651                 inc_session_destroy(session);
 652                 inc_dialog->queue_list =
 653                         g_list_remove(inc_dialog->queue_list, session);
 654         }
 655
 656 #undef SET_PIXMAP_AND_TEXT
 657
 658         if (new_msgs > 0)
 659                 fin_msg = g_strdup_printf(_("Finished (%d new message(s))"),
 660                                           new_msgs);
 661         else
 662                 fin_msg = g_strdup_printf(_("Finished (no new messages)"));
 663
 664         progress_dialog_set_label(inc_dialog->dialog, fin_msg);
 665
 666 #if 0
 667         if (error_num && !prefs_common.no_recv_err_panel) {
 668                 if (inc_dialog->show_dialog)
 669                         manage_window_focus_in(inc_dialog->dialog->window,
 670                                                NULL, NULL);
 671                 alertpanel_error_log(_("Some errors occurred while getting mail."));
 672                 if (inc_dialog->show_dialog)
 673                         manage_window_focus_out(inc_dialog->dialog->window,
 674                                                 NULL, NULL);
 675         }
 676 #endif
 677
 678         while (inc_dialog->queue_list != NULL) {
 679                 session = inc_dialog->queue_list->data;
 680                 inc_session_destroy(session);
 681                 inc_dialog->queue_list =
 682                         g_list_remove(inc_dialog->queue_list, session);
 683         }
 684
 685         if (prefs_common.close_recv_dialog)
 686                 inc_progress_dialog_destroy(inc_dialog);
 687         else {
 688                 gtk_window_set_title(GTK_WINDOW(inc_dialog->dialog->window),
 689                                      fin_msg);
 690                 gtk_label_set_text(GTK_LABEL(GTK_BIN(inc_dialog->dialog->cancel_btn)->child),
 691                                    _("Close"));
 692         }
 693
 694         g_free(fin_msg);
 695
 696         return new_msgs;
 697 }
 698
 699 static IncState inc_pop3_session_do(IncSession *session)
 700 {
 701         Pop3Session *pop3_session = POP3_SESSION(session->session);
 702         IncProgressDialog *inc_dialog = (IncProgressDialog *)session->data;
 703         gchar *server;
 704         gushort port;
 705         gchar *buf;
 706
 707         debug_print("getting new messages of account %s...\n",
 708                     pop3_session->ac_prefs->account_name);
 709
 710         pop3_session->ac_prefs->last_pop_login_time = time(NULL);
 711
 712         buf = g_strdup_printf(_("%s: Retrieving new messages"),
 713                               pop3_session->ac_prefs->recv_server);
 714         gtk_window_set_title(GTK_WINDOW(inc_dialog->dialog->window), buf);
 715         g_free(buf);
 716
 717         server = pop3_session->ac_prefs->recv_server;
 718 #if USE_OPENSSL
 719         port = pop3_session->ac_prefs->set_popport ?
 720                 pop3_session->ac_prefs->popport :
 721                 pop3_session->ac_prefs->ssl_pop == SSL_TUNNEL ? 995 : 110;
 722         SESSION(pop3_session)->ssl_type = pop3_session->ac_prefs->ssl_pop;
 723         if (pop3_session->ac_prefs->ssl_pop != SSL_NONE)
 724                 SESSION(pop3_session)->nonblocking =
 725                         pop3_session->ac_prefs->use_nonblocking_ssl;
 726 #else
 727         port = pop3_session->ac_prefs->set_popport ?
 728                 pop3_session->ac_prefs->popport : 110;
 729 #endif
 730
 731         buf = g_strdup_printf(_("Connecting to POP3 server: %s..."), server);
 732         log_message("%s\n", buf);
 733
 734         progress_dialog_set_label(inc_dialog->dialog, buf);
 735         g_free(buf);
 736
 737         if (session_connect(SESSION(pop3_session), server, port) < 0) {
 738                 log_warning(_("Can't connect to POP3 server: %s:%d\n"),
 739                             server, port);
 740                 if(!prefs_common.no_recv_err_panel) {
 741                         if((prefs_common.recv_dialog_mode == RECV_DIALOG_ALWAYS) ||
 742                             ((prefs_common.recv_dialog_mode == RECV_DIALOG_MANUAL) && focus_window)) {
 743                                 manage_window_focus_in(inc_dialog->dialog->window, NULL, NULL);
 744                         }
 745                         alertpanel_error(_("Can't connect to POP3 server: %s:%d"),
 746                                          server, port);
 747                         manage_window_focus_out(inc_dialog->dialog->window, NULL, NULL);
 748                 }
 749                 session->inc_state = INC_CONNECT_ERROR;
 750                 statusbar_pop_all();
 751                 return INC_CONNECT_ERROR;
 752         }
 753
 754         while (session_is_connected(SESSION(pop3_session)) &&
 755                session->inc_state != INC_CANCEL)
 756                 gtk_main_iteration();
 757
 758         statusbar_pop_all();
 759
 760         if (session->inc_state == INC_SUCCESS) {
 761                 switch (pop3_session->error_val) {
 762                 case PS_SUCCESS:
 763                         if (SESSION(pop3_session)->state == SESSION_ERROR) {
 764                                 if (pop3_session->state == POP3_READY)
 765                                         session->inc_state = INC_CONNECT_ERROR;
 766                                 else
 767                                         session->inc_state = INC_ERROR;
 768                         } else if (SESSION(pop3_session)->state == SESSION_EOF)
 769                                 session->inc_state = INC_EOF;
 770                         else
 771                                 session->inc_state = INC_SUCCESS;
 772                         break;
 773                 case PS_AUTHFAIL:
 774                         session->inc_state = INC_AUTH_FAILED;
 775                         break;
 776                 case PS_IOERR:
 777                         session->inc_state = INC_IO_ERROR;
 778                         break;
 779                 case PS_SOCKET:
 780                         session->inc_state = INC_SOCKET_ERROR;
 781                         break;
 782                 case PS_LOCKBUSY:
 783                         session->inc_state = INC_LOCKED;
 784                         break;
 785                 default:
 786                         session->inc_state = INC_ERROR;
 787                         break;
 788                 }
 789         }
 790
 791         return session->inc_state;
 792 }
 793
 794 static void inc_progress_dialog_set_label(IncProgressDialog *inc_dialog,
 795                                           IncSession *inc_session)
 796 {
 797         gchar buf[MSGBUFSIZE];
 798         ProgressDialog *dialog = inc_dialog->dialog;
 799         Pop3Session *session;
 800
 801         g_return_if_fail(inc_session != NULL);
 802
 803         session = POP3_SESSION(inc_session->session);
 804
 805         switch (session->state) {
 806         case POP3_GREETING:
 807                 break;
 808         case POP3_GETAUTH_USER:
 809         case POP3_GETAUTH_PASS:
 810         case POP3_GETAUTH_APOP:
 811                 progress_dialog_set_label(dialog, _("Authenticating..."));
 812                 statusbar_print_all(_("Retrieving messages from %s..."),
 813                                     SESSION(session)->server);
 814                 break;
 815         case POP3_GETRANGE_STAT:
 816                 progress_dialog_set_label
 817                         (dialog, _("Getting the number of new messages (STAT)..."));
 818                 break;
 819         case POP3_GETRANGE_LAST:
 820                 progress_dialog_set_label
 821                         (dialog, _("Getting the number of new messages (LAST)..."));
 822                 break;
 823         case POP3_GETRANGE_UIDL:
 824                 progress_dialog_set_label
 825                         (dialog, _("Getting the number of new messages (UIDL)..."));
 826                 break;
 827         case POP3_GETSIZE_LIST:
 828                 progress_dialog_set_label
 829                         (dialog, _("Getting the size of messages (LIST)..."));
 830                 break;
 831         case POP3_RETR:
 832                 gtk_progress_set_show_text
 833                         (GTK_PROGRESS(inc_dialog->mainwin->progressbar), TRUE);
 834                 g_snprintf(buf, sizeof(buf), "%d / %d",
 835                            session->cur_msg, session->count);
 836                 gtk_progress_set_format_string
 837                         (GTK_PROGRESS(inc_dialog->mainwin->progressbar), buf);
 838                 inc_recv_data_progressive
 839                         (SESSION(session), 0,
 840                          session->msg[session->cur_msg].size,
 841                          inc_session);
 842                 break;
 843         case POP3_DELETE:
 844                 if (session->msg[session->cur_msg].recv_time <
 845                         session->current_time) {
 846                         g_snprintf(buf, sizeof(buf), _("Deleting message %d"),
 847                                    session->cur_msg);
 848                         progress_dialog_set_label(dialog, buf);
 849                 }
 850                 break;
 851         case POP3_LOGOUT:
 852                 progress_dialog_set_label(dialog, _("Quitting"));
 853                 break;
 854         default:
 855                 break;
 856         }
 857 }
 858
 859 static gint inc_recv_data_progressive(Session *session, guint cur_len,
 860                                       guint total_len, gpointer data)
 861 {
 862         gchar buf[MSGBUFSIZE];
 863         IncSession *inc_session = (IncSession *)data;
 864         Pop3Session *pop3_session = POP3_SESSION(session);
 865         IncProgressDialog *inc_dialog;
 866         ProgressDialog *dialog;
 867         gint cur_total;
 868         gchar *total_size;
 869
 870         g_return_val_if_fail(inc_session != NULL, -1);
 871
 872         if (pop3_session->state != POP3_RETR &&
 873             pop3_session->state != POP3_RETR_RECV &&
 874             pop3_session->state != POP3_DELETE &&
 875             pop3_session->state != POP3_LOGOUT) return 0;
 876
 877         if (!pop3_session->new_msg_exist) return 0;
 878
 879         inc_dialog = (IncProgressDialog *)inc_session->data;
 880         dialog = inc_dialog->dialog;
 881
 882         cur_total = pop3_session->cur_total_bytes + cur_len;
 883         if (cur_total > pop3_session->total_bytes)
 884                 cur_total = pop3_session->total_bytes;
 885
 886         Xstrdup_a(total_size, to_human_readable(pop3_session->total_bytes),
 887                   return FALSE);
 888         g_snprintf(buf, sizeof(buf),
 889                    _("Retrieving message (%d / %d) (%s / %s)"),
 890                    pop3_session->cur_msg, pop3_session->count,
 891                    to_human_readable(cur_total), total_size);
 892         progress_dialog_set_label(dialog, buf);
 893         progress_dialog_set_percentage
 894                 (dialog, (gfloat)cur_total / (gfloat)pop3_session->total_bytes);
 895         if (inc_dialog->mainwin)
 896                 gtk_progress_bar_update
 897                         (GTK_PROGRESS_BAR(inc_dialog->mainwin->progressbar),
 898                          (gfloat)cur_total / (gfloat)pop3_session->total_bytes);
 899
 900         return 0;
 901 }
 902
 903 static gint inc_recv_data_finished(Session *session, guint len, gpointer data)
 904 {
 905         IncSession *inc_session = (IncSession *)data;
 906         Pop3Session *pop3_session = POP3_SESSION(session);
 907         IncProgressDialog *inc_dialog;
 908         gchar *msg;
 909
 910         g_return_val_if_fail(inc_session != NULL, -1);
 911
 912         inc_dialog = (IncProgressDialog *)inc_session->data;
 913         inc_recv_data_progressive(session, 0, len, inc_session);
 914         inc_progress_dialog_set_label(inc_dialog, inc_session);
 915
 916         if (pop3_session->cur_total_num == 0) return 0;
 917
 918         msg = g_strdup_printf(_("Retrieving (%d message(s) (%s) received)"),
 919                               pop3_session->cur_total_num,
 920                               to_human_readable
 921                                 (pop3_session->cur_total_recv_bytes));
 922         gtk_clist_set_text(GTK_CLIST(inc_dialog->dialog->clist),
 923                            inc_dialog->cur_row, 2, msg);
 924         g_free(msg);
 925
 926         return 0;
 927 }
 928
 929 static gint inc_recv_message(Session *session, const gchar *msg, gpointer data)
 930 {
 931         IncSession *inc_session = (IncSession *)data;
 932         IncProgressDialog *inc_dialog;
 933
 934         g_return_val_if_fail(inc_session != NULL, -1);
 935
 936         inc_dialog = (IncProgressDialog *)inc_session->data;
 937         inc_progress_dialog_set_label(inc_dialog, inc_session);
 938
 939         return 0;
 940 }
 941
 942 gint inc_drop_message(const gchar *file, Pop3Session *session)
 943 {
 944         FolderItem *inbox;
 945         FolderItem *dropfolder;
 946         gint msgnum;
 947
 948         if (session->ac_prefs->inbox) {
 949                 inbox = folder_find_item_from_identifier
 950                         (session->ac_prefs->inbox);
 951                 if (!inbox)
 952                         inbox = folder_get_default_inbox();
 953         } else
 954                 inbox = folder_get_default_inbox();
 955         if (!inbox) {
 956                 unlink(file);
 957                 return -1;
 958         }
 959
 960         /* CLAWS: claws uses a global .processing folder for the filtering. */
 961         dropfolder = folder_get_default_processing();
 962
 963         /* add msg file to drop folder */
 964         if ((msgnum = folder_item_add_msg(dropfolder, file, NULL, TRUE)) < 0) {
 965                 unlink(file);
 966                 return -1;
 967         }
 968
 969         return 0;
 970 }
 971
 972 static void inc_put_error(IncState istate, const gchar *msg)
 973 {
 974         gchar *log_msg = NULL;
 975         gchar *err_msg = NULL;
 976         gboolean fatal_error = FALSE;
 977
 978         switch (istate) {
 979         case INC_CONNECT_ERROR:
 980                 log_msg = _("Connection failed.");
 981                 if (prefs_common.no_recv_err_panel)
 982                         break;
 983                 err_msg = g_strdup(log_msg);
 984                 break;
 985         case INC_ERROR:
 986                 log_msg = _("Error occurred while processing mail.");
 987                 if (prefs_common.no_recv_err_panel)
 988                         break;
 989                 if (msg)
 990                         err_msg = g_strdup_printf
 991                                 (_("Error occurred while processing mail:\n%s"),
 992                                  msg);
 993                 else
 994                         err_msg = g_strdup(log_msg);
 995                 break;
 996         case INC_NO_SPACE:
 997                 log_msg = _("No disk space left.");
 998                 err_msg = g_strdup(log_msg);
 999                 fatal_error = TRUE;
1000                 break;
1001         case INC_IO_ERROR:
1002                 log_msg = _("Can't write file.");
1003                 err_msg = g_strdup(log_msg);
1004                 fatal_error = TRUE;
1005                 break;
1006         case INC_SOCKET_ERROR:
1007                 log_msg = _("Socket error.");
1008                 if (prefs_common.no_recv_err_panel)
1009                         break;
1010                 err_msg = g_strdup(log_msg);
1011                 break;
1012         case INC_EOF:
1013                 log_msg = _("Connection closed by the remote host.");
1014                 if (prefs_common.no_recv_err_panel)
1015                         break;
1016                 err_msg = g_strdup(log_msg);
1017                 break;
1018         case INC_LOCKED:
1019                 log_msg = _("Mailbox is locked.");
1020                 if (prefs_common.no_recv_err_panel)
1021                         break;
1022                 if (msg)
1023                         err_msg = g_strdup_printf(_("Mailbox is locked:\n%s"),
1024                                                   msg);
1025                 else
1026                         err_msg = g_strdup(log_msg);
1027                 break;
1028         case INC_AUTH_FAILED:
1029                 log_msg = _("Authentication failed.");
1030                 if (prefs_common.no_recv_err_panel)
1031                         break;
1032                 if (msg)
1033                         err_msg = g_strdup_printf
1034                                 (_("Authentication failed:\n%s"), msg);
1035                 else
1036                         err_msg = g_strdup(log_msg);
1037                 break;
1038         default:
1039                 break;
1040         }
1041
1042         if (log_msg) {
1043                 if (fatal_error)
1044                         log_error("%s\n", log_msg);
1045                 else
1046                         log_warning("%s\n", log_msg);
1047         }
1048         if (err_msg) {
1049                 alertpanel_error_log(err_msg);
1050                 g_free(err_msg);
1051         }
1052 }
1053
1054 static void inc_cancel(IncProgressDialog *dialog)
1055 {
1056         IncSession *session;
1057
1058         g_return_if_fail(dialog != NULL);
1059
1060         if (dialog->queue_list == NULL) {
1061                 inc_progress_dialog_destroy(dialog);
1062                 return;
1063         }
1064
1065         session = dialog->queue_list->data;
1066
1067         session->inc_state = INC_CANCEL;
1068
1069         log_message(_("Incorporation cancelled\n"));
1070 }
1071
1072 gboolean inc_is_active(void)
1073 {
1074         return (inc_dialog_list != NULL);
1075 }
1076
1077 void inc_cancel_all(void)
1078 {
1079         GList *cur;
1080
1081         for (cur = inc_dialog_list; cur != NULL; cur = cur->next)
1082                 inc_cancel((IncProgressDialog *)cur->data);
1083 }
1084
1085 static void inc_cancel_cb(GtkWidget *widget, gpointer data)
1086 {
1087         inc_cancel((IncProgressDialog *)data);
1088 }
1089
1090 static gint inc_dialog_delete_cb(GtkWidget *widget, GdkEventAny *event,
1091                                  gpointer data)
1092 {
1093         IncProgressDialog *dialog = (IncProgressDialog *)data;
1094
1095         if (dialog->queue_list == NULL)
1096                 inc_progress_dialog_destroy(dialog);
1097
1098         return TRUE;
1099 }
1100
1101 static gint inc_spool(void)
1102 {
1103         gchar *mbox, *logname;
1104         gint msgs;
1105
1106         logname = g_get_user_name();
1107         mbox = g_strconcat(prefs_common.spool_path
1108                            ? prefs_common.spool_path : DEFAULT_SPOOL_PATH,
1109                            G_DIR_SEPARATOR_S, logname, NULL);
1110         msgs = get_spool(folder_get_default_inbox(), mbox);
1111         g_free(mbox);
1112
1113         return msgs;
1114 }
1115
1116 static gint inc_spool_account(PrefsAccount *account)
1117 {
1118         FolderItem *inbox;
1119
1120         if (account->inbox) {
1121                 inbox = folder_find_item_from_path(account->inbox);
1122                 if (!inbox)
1123                         inbox = folder_get_default_inbox();
1124         } else
1125                 inbox = folder_get_default_inbox();
1126
1127         return get_spool(inbox, account->local_mbox);
1128 }
1129
1130 static gint inc_all_spool(void)
1131 {
1132         GList *list = NULL;
1133         gint new_msgs = 0;
1134         gint account_new_msgs = 0;
1135
1136         list = account_get_list();
1137         if (!list) return 0;
1138
1139         for (; list != NULL; list = list->next) {
1140                 PrefsAccount *account = list->data;
1141
1142                 if ((account->protocol == A_LOCAL) &&
1143                     (account->recv_at_getall)) {
1144                         account_new_msgs = inc_spool_account(account);
1145                         if (account_new_msgs > 0)
1146                                 new_msgs += account_new_msgs;
1147                 }
1148         }
1149
1150         return new_msgs;
1151 }
1152
1153 static gint get_spool(FolderItem *dest, const gchar *mbox)
1154 {
1155         gint msgs, size;
1156         gint lockfd;
1157         gchar tmp_mbox[MAXPATHLEN + 1];
1158
1159         g_return_val_if_fail(dest != NULL, -1);
1160         g_return_val_if_fail(mbox != NULL, -1);
1161
1162         if (!is_file_exist(mbox) || (size = get_file_size(mbox)) == 0) {
1163                 debug_print("no messages in local mailbox.\n");
1164                 return 0;
1165         } else if (size < 0)
1166                 return -1;
1167
1168         if ((lockfd = lock_mbox(mbox, LOCK_FLOCK)) < 0)
1169                 return -1;
1170
1171         g_snprintf(tmp_mbox, sizeof(tmp_mbox), "%s%ctmpmbox.%08x",
1172                    get_tmp_dir(), G_DIR_SEPARATOR, (gint)mbox);
1173
1174         if (copy_mbox(mbox, tmp_mbox) < 0) {
1175                 unlock_mbox(mbox, lockfd, LOCK_FLOCK);
1176                 return -1;
1177         }
1178
1179         debug_print("Getting new messages from %s into %s...\n",
1180                     mbox, dest->path);
1181
1182         msgs = proc_mbox(dest, tmp_mbox);
1183
1184         unlink(tmp_mbox);
1185         if (msgs >= 0) empty_mbox(mbox);
1186         unlock_mbox(mbox, lockfd, LOCK_FLOCK);
1187
1188         return msgs;
1189 }
1190
1191 void inc_lock(void)
1192 {
1193         inc_lock_count++;
1194 }
1195
1196 void inc_unlock(void)
1197 {
1198         if (inc_lock_count > 0)
1199                 inc_lock_count--;
1200 }
1201
1202 static guint autocheck_timer = 0;
1203 static gpointer autocheck_data = NULL;
1204
1205 static void inc_notify_cmd(gint new_msgs, gboolean notify)
1206 {
1207
1208         gchar *buf;
1209
1210         if (!(new_msgs && notify && prefs_common.newmail_notify_cmd &&
1211             *prefs_common.newmail_notify_cmd))
1212                      return;
1213         if ((buf = strchr(prefs_common.newmail_notify_cmd, '%')) &&
1214                 buf[1] == 'd' && !strchr(&buf[1], '%'))
1215                 buf = g_strdup_printf(prefs_common.newmail_notify_cmd,
1216                                       new_msgs);
1217         else
1218                 buf = g_strdup(prefs_common.newmail_notify_cmd);
1219
1220         execute_command_line(buf, TRUE);
1221
1222         g_free(buf);
1223 }
1224
1225 void inc_autocheck_timer_init(MainWindow *mainwin)
1226 {
1227         autocheck_data = mainwin;
1228         inc_autocheck_timer_set();
1229 }
1230
1231 static void inc_autocheck_timer_set_interval(guint interval)
1232 {
1233         inc_autocheck_timer_remove();
1234         /* last test is to avoid re-enabling auto_check after modifying
1235            the common preferences */
1236         if (prefs_common.autochk_newmail && autocheck_data
1237             && prefs_common.work_offline == FALSE) {
1238                 autocheck_timer = gtk_timeout_add
1239                         (interval, inc_autocheck_func, autocheck_data);
1240                 debug_print("added timer = %d\n", autocheck_timer);
1241         }
1242 }
1243
1244 void inc_autocheck_timer_set(void)
1245 {
1246         inc_autocheck_timer_set_interval(prefs_common.autochk_itv * 60000);
1247 }
1248
1249 void inc_autocheck_timer_remove(void)
1250 {
1251         if (autocheck_timer) {
1252                 debug_print("removed timer = %d\n", autocheck_timer);
1253                 gtk_timeout_remove(autocheck_timer);
1254                 autocheck_timer = 0;
1255         }
1256 }
1257
1258 static gint inc_autocheck_func(gpointer data)
1259 {
1260         MainWindow *mainwin = (MainWindow *)data;
1261
1262         if (inc_lock_count) {
1263                 debug_print("autocheck is locked.\n");
1264                 inc_autocheck_timer_set_interval(1000);
1265                 return FALSE;
1266         }
1267
1268         inc_all_account_mail(mainwin, TRUE, prefs_common.newmail_notify_auto);
1269
1270         return FALSE;
1271 }