src/inc.c

   1 /*
   2  * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
   3  * Copyright (C) 1999-2002 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 "automaton.h"
  65 #include "folder.h"
  66 #include "filtering.h"
  67 #include "selective_download.h"
  68 #include "log.h"
  69
  70 static GList *inc_dialog_list = NULL;
  71
  72 static guint inc_lock_count = 0;
  73
  74 static GdkPixmap *currentxpm;
  75 static GdkBitmap *currentxpmmask;
  76 static GdkPixmap *errorxpm;
  77 static GdkBitmap *errorxpmmask;
  78 static GdkPixmap *okxpm;
  79 static GdkBitmap *okxpmmask;
  80
  81 #define MSGBUFSIZE      8192
  82
  83 static void inc_finished                (MainWindow             *mainwin,
  84                                          gboolean                new_messages);
  85 static gint inc_account_mail            (PrefsAccount           *account,
  86                                          MainWindow             *mainwin);
  87
  88 static IncProgressDialog *inc_progress_dialog_create    (void);
  89 static void inc_progress_dialog_destroy (IncProgressDialog      *inc_dialog);
  90
  91 static IncSession *inc_session_new      (PrefsAccount           *account);
  92 static void inc_session_destroy         (IncSession             *session);
  93 static gint inc_start                   (IncProgressDialog      *inc_dialog);
  94 static IncState inc_pop3_session_do     (IncSession             *session);
  95 static gint pop3_automaton_terminate    (SockInfo               *source,
  96                                          Automaton              *atm);
  97
  98 static gboolean inc_pop3_recv_func      (SockInfo       *sock,
  99                                          gint            count,
 100                                          gint            read_bytes,
 101                                          gpointer        data);
 102
 103 static void inc_put_error               (IncState        istate);
 104
 105 static void inc_cancel_cb               (GtkWidget      *widget,
 106                                          gpointer        data);
 107 static gint inc_dialog_delete_cb        (GtkWidget      *widget,
 108                                          GdkEventAny    *event,
 109                                          gpointer        data);
 110
 111 static gint inc_spool                   (void);
 112 static gint get_spool                   (FolderItem     *dest,
 113                                          const gchar    *mbox);
 114
 115 static void inc_spool_account(PrefsAccount *account);
 116 static void inc_all_spool(void);
 117 static void inc_autocheck_timer_set_interval    (guint           interval);
 118 static gint inc_autocheck_func                  (gpointer        data);
 119
 120 static void inc_notify_cmd              (gint new_msgs,
 121                                          gboolean notify);
 122
 123 #define FOLDER_SUMMARY_MISMATCH(f, s) \
 124         (f) && (s) ? ((s)->newmsgs != (f)->new) || ((f)->unread != (s)->unread) || ((f)->total != (s)->messages) \
 125         : FALSE
 126
 127 /**
 128  * inc_finished:
 129  * @mainwin: Main window.
 130  * @new_messages: TRUE if some messages have been received.
 131  *
 132  * Update the folder view and the summary view after receiving
 133  * messages.  If @new_messages is FALSE, this function avoids unneeded
 134  * updating.
 135  **/
 136 static void inc_finished(MainWindow *mainwin, gboolean new_messages)
 137 {
 138         FolderItem *item;
 139
 140         if (prefs_common.scan_all_after_inc)
 141                 folderview_check_new(NULL);
 142
 143         if (!new_messages && !prefs_common.scan_all_after_inc) return;
 144
 145         if (prefs_common.open_inbox_on_inc) {
 146                 item = cur_account && cur_account->inbox
 147                         ? folder_find_item_from_identifier(cur_account->inbox)
 148                         : folder_get_default_inbox();
 149                 if (FOLDER_SUMMARY_MISMATCH(item, mainwin->summaryview)) {
 150                         folderview_unselect(mainwin->folderview);
 151                         folderview_select(mainwin->folderview, item);
 152                 }
 153         } else if (prefs_common.scan_all_after_inc) {
 154                 item = mainwin->summaryview->folder_item;
 155                 if (FOLDER_SUMMARY_MISMATCH(item, mainwin->summaryview)) {
 156                         folder_update_item(item, TRUE);
 157                 }
 158         }
 159 }
 160
 161 void inc_mail(MainWindow *mainwin, gboolean notify)
 162 {
 163         gint new_msgs = 0;
 164
 165         if (inc_lock_count) return;
 166
 167         if (prefs_common.work_offline)
 168                 if (alertpanel(_("Offline warning"),
 169                                _("You're working offline. Override?"),
 170                                _("Yes"), _("No"), NULL) != G_ALERTDEFAULT)
 171                 return;
 172
 173         inc_lock();
 174         inc_autocheck_timer_remove();
 175         main_window_lock(mainwin);
 176
 177         if (prefs_common.use_extinc && prefs_common.extinc_cmd) {
 178                 /* external incorporating program */
 179                 if (execute_command_line(prefs_common.extinc_cmd, FALSE) < 0) {
 180                         main_window_unlock(mainwin);
 181                         inc_autocheck_timer_set();
 182                         return;
 183                 }
 184
 185                 if (prefs_common.inc_local)
 186                         new_msgs = inc_spool();
 187
 188                 if (new_msgs <= 0)
 189                         new_msgs = 1;
 190         } else {
 191                 if (prefs_common.inc_local) {
 192                         new_msgs = inc_spool();
 193                         if (new_msgs < 0)
 194                                 new_msgs = 0;
 195                 }
 196                 cur_account->session = STYPE_NORMAL;
 197                 new_msgs += inc_account_mail(cur_account, mainwin);
 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_selective_download(MainWindow *mainwin, PrefsAccount *acc, gint session)
 208 {
 209         GSList *cur;
 210         gint new_msgs = 0;
 211
 212         acc->session = session;
 213         inc_account_mail(acc, mainwin);
 214         acc->session = STYPE_NORMAL;
 215
 216         for (cur = acc->msg_list; cur != NULL; cur = cur->next) {
 217                 HeaderItems *items =(HeaderItems*)cur->data;
 218
 219                 if (items->state == SD_DOWNLOADED &&
 220                     items->del_by_old_session == FALSE) {
 221                         new_msgs++;
 222                 }
 223         }
 224
 225         if (new_msgs) {
 226                 inc_finished(mainwin, TRUE);
 227                 inc_notify_cmd(new_msgs, prefs_common.newmail_notify_manu);
 228         }
 229 }
 230
 231 void inc_pop_before_smtp(PrefsAccount *acc)
 232 {
 233         acc->session = STYPE_POP_BEFORE_SMTP;
 234         inc_account_mail(acc, NULL);
 235 }
 236
 237 static gint inc_account_mail(PrefsAccount *account, MainWindow *mainwin)
 238 {
 239         IncProgressDialog *inc_dialog;
 240         IncSession *session;
 241         gchar *text[3];
 242         FolderItem *item = NULL;
 243
 244         if(mainwin && mainwin->summaryview)
 245                 item = mainwin->summaryview->folder_item;
 246
 247         switch (account->protocol) {
 248         case A_IMAP4:
 249         case A_NNTP:
 250                 folderview_check_new(FOLDER(account->folder));
 251                 if (!prefs_common.scan_all_after_inc && item != NULL &&
 252                     FOLDER(account->folder) == item->folder)
 253                         folder_update_item(item, TRUE);
 254                 return 1;
 255
 256         case A_POP3:
 257         case A_APOP:
 258                 session = inc_session_new(account);
 259                 if (!session) return 0;
 260
 261                 inc_dialog = inc_progress_dialog_create();
 262                 inc_dialog->queue_list = g_list_append(inc_dialog->queue_list,
 263                                                        session);
 264                 inc_dialog->mainwin = mainwin;
 265                 session->data = inc_dialog;
 266
 267                 text[0] = NULL;
 268                 text[1] = account->account_name;
 269                 text[2] = _("Standby");
 270                 gtk_clist_append(GTK_CLIST(inc_dialog->dialog->clist), text);
 271
 272                 if (mainwin) {
 273                         toolbar_set_sensitive(mainwin);
 274                         main_window_set_menu_sensitive(mainwin);
 275                 }
 276
 277                 return inc_start(inc_dialog);
 278
 279         case A_LOCAL:
 280                 inc_spool_account(account);
 281                 return 1;
 282
 283         default:
 284                 break;
 285         }
 286         return 0;
 287 }
 288
 289 void inc_all_account_mail(MainWindow *mainwin, gboolean notify)
 290 {
 291         GList *list, *queue_list = NULL;
 292         IncProgressDialog *inc_dialog;
 293         gint new_msgs = 0;
 294
 295         if (prefs_common.work_offline)
 296                 if (alertpanel(_("Offline warning"),
 297                                _("You're working offline. Override?"),
 298                                _("Yes"), _("No"), NULL) != G_ALERTDEFAULT)
 299                 return;
 300
 301         if (inc_lock_count) return;
 302
 303         inc_autocheck_timer_remove();
 304         main_window_lock(mainwin);
 305
 306         if (prefs_common.inc_local) {
 307                 new_msgs = inc_spool();
 308                 if (new_msgs < 0)
 309                         new_msgs = 0;
 310         }
 311
 312         list = account_get_list();
 313         if (!list) {
 314                 inc_finished(mainwin, new_msgs > 0);
 315                 main_window_unlock(mainwin);
 316                 inc_notify_cmd(new_msgs, notify);
 317                 inc_autocheck_timer_set();
 318                 return;
 319         }
 320
 321         /* check local folders */
 322         inc_all_spool();
 323
 324         /* check IMAP4 folders */
 325         for (; list != NULL; list = list->next) {
 326                 PrefsAccount *account = list->data;
 327                 if ((account->protocol == A_IMAP4 ||
 328                      account->protocol == A_NNTP) && account->recv_at_getall) {
 329                         FolderItem *item = mainwin->summaryview->folder_item;
 330
 331                         folderview_check_new(FOLDER(account->folder));
 332                         if (!prefs_common.scan_all_after_inc && item != NULL &&
 333                             FOLDER(account->folder) == item->folder)
 334                                 folder_update_item(item, TRUE);
 335                 }
 336         }
 337
 338         /* check POP3 accounts */
 339         for (list = account_get_list(); list != NULL; list = list->next) {
 340                 IncSession *session;
 341                 PrefsAccount *account = list->data;
 342                 account->session = STYPE_NORMAL;
 343                 if (account->recv_at_getall) {
 344                         session = inc_session_new(account);
 345                         if (session)
 346                                 queue_list = g_list_append(queue_list, session);
 347                 }
 348         }
 349
 350         if (!queue_list) {
 351                 inc_finished(mainwin, new_msgs > 0);
 352                 main_window_unlock(mainwin);
 353                 inc_notify_cmd(new_msgs, notify);
 354                 inc_autocheck_timer_set();
 355                 return;
 356         }
 357
 358         inc_dialog = inc_progress_dialog_create();
 359         inc_dialog->queue_list = queue_list;
 360         inc_dialog->mainwin = mainwin;
 361         for (list = queue_list; list != NULL; list = list->next) {
 362                 IncSession *session = list->data;
 363                 gchar *text[3];
 364
 365                 session->data = inc_dialog;
 366
 367                 text[0] = NULL;
 368                 text[1] = session->pop3_state->ac_prefs->account_name;
 369                 text[2] = _("Standby");
 370                 gtk_clist_append(GTK_CLIST(inc_dialog->dialog->clist), text);
 371         }
 372
 373         toolbar_set_sensitive(mainwin);
 374         main_window_set_menu_sensitive(mainwin);
 375
 376         new_msgs += inc_start(inc_dialog);
 377
 378         inc_finished(mainwin, new_msgs > 0);
 379         main_window_unlock(mainwin);
 380         inc_notify_cmd(new_msgs, notify);
 381         inc_autocheck_timer_set();
 382 }
 383
 384 static IncProgressDialog *inc_progress_dialog_create(void)
 385 {
 386         IncProgressDialog *dialog;
 387         ProgressDialog *progress;
 388
 389         dialog = g_new0(IncProgressDialog, 1);
 390
 391         progress = progress_dialog_create();
 392         gtk_window_set_title(GTK_WINDOW(progress->window),
 393                              _("Retrieving new messages"));
 394         gtk_signal_connect(GTK_OBJECT(progress->cancel_btn), "clicked",
 395                            GTK_SIGNAL_FUNC(inc_cancel_cb), dialog);
 396         gtk_signal_connect(GTK_OBJECT(progress->window), "delete_event",
 397                            GTK_SIGNAL_FUNC(inc_dialog_delete_cb), dialog);
 398         /* manage_window_set_transient(GTK_WINDOW(progress->window)); */
 399
 400         progress_dialog_set_value(progress, 0.0);
 401
 402         stock_pixmap_gdk(progress->clist, STOCK_PIXMAP_COMPLETE,
 403                          &okxpm, &okxpmmask);
 404         stock_pixmap_gdk(progress->clist, STOCK_PIXMAP_CONTINUE,
 405                          &currentxpm, &currentxpmmask);
 406         stock_pixmap_gdk(progress->clist, STOCK_PIXMAP_ERROR,
 407                          &errorxpm, &errorxpmmask);
 408
 409         if (prefs_common.recv_dialog_mode == RECV_DIALOG_ALWAYS ||
 410             (prefs_common.recv_dialog_mode == RECV_DIALOG_ACTIVE &&
 411              manage_window_get_focus_window())) {
 412                 dialog->show_dialog = TRUE;
 413                 gtk_widget_show_now(progress->window);
 414         }
 415
 416         dialog->dialog = progress;
 417         dialog->queue_list = NULL;
 418
 419         inc_dialog_list = g_list_append(inc_dialog_list, dialog);
 420
 421         return dialog;
 422 }
 423
 424 static void inc_progress_dialog_clear(IncProgressDialog *inc_dialog)
 425 {
 426         progress_dialog_set_value(inc_dialog->dialog, 0.0);
 427         progress_dialog_set_label(inc_dialog->dialog, "");
 428         if (inc_dialog->mainwin)
 429                 gtk_progress_bar_update
 430                         (GTK_PROGRESS_BAR(inc_dialog->mainwin->progressbar), 0.0);
 431 }
 432
 433 static void inc_progress_dialog_destroy(IncProgressDialog *inc_dialog)
 434 {
 435         g_return_if_fail(inc_dialog != NULL);
 436
 437         inc_dialog_list = g_list_remove(inc_dialog_list, inc_dialog);
 438         if (inc_dialog->mainwin)
 439                 gtk_progress_bar_update
 440                         (GTK_PROGRESS_BAR(inc_dialog->mainwin->progressbar), 0.0);
 441         progress_dialog_destroy(inc_dialog->dialog);
 442
 443         g_free(inc_dialog);
 444 }
 445
 446 static IncSession *inc_session_new(PrefsAccount *account)
 447 {
 448         IncSession *session;
 449
 450         g_return_val_if_fail(account != NULL, NULL);
 451
 452         if (account->protocol != A_POP3 && account->protocol != A_APOP)
 453                 return NULL;
 454         if (!account->recv_server || !account->userid)
 455                 return NULL;
 456
 457         session = g_new0(IncSession, 1);
 458         session->pop3_state = pop3_state_new(account);
 459         session->pop3_state->data = session;
 460
 461         return session;
 462 }
 463
 464 static void inc_session_destroy(IncSession *session)
 465 {
 466         g_return_if_fail(session != NULL);
 467
 468         pop3_state_destroy(session->pop3_state);
 469         g_free(session);
 470 }
 471
 472 static gint inc_start(IncProgressDialog *inc_dialog)
 473 {
 474         IncSession *session;
 475         GtkCList *clist = GTK_CLIST(inc_dialog->dialog->clist);
 476         Pop3State *pop3_state;
 477         IncState inc_state;
 478         gint num = 0;
 479         gint error_num = 0;
 480         gint new_msgs = 0;
 481         gchar *msg;
 482         gchar *fin_msg;
 483         FolderItem *processing, *inbox;
 484         MsgInfo *msginfo;
 485         GSList *msglist, *msglist_element;
 486
 487         while (inc_dialog->queue_list != NULL) {
 488                 session = inc_dialog->queue_list->data;
 489                 pop3_state = session->pop3_state;
 490
 491                 inc_progress_dialog_clear(inc_dialog);
 492
 493                 gtk_clist_moveto(clist, num, -1, 1.0, 0.0);
 494
 495                 pop3_state->user = g_strdup(pop3_state->ac_prefs->userid);
 496                 if (pop3_state->ac_prefs->passwd)
 497                         pop3_state->pass =
 498                                 g_strdup(pop3_state->ac_prefs->passwd);
 499                 else if (pop3_state->ac_prefs->tmp_pass)
 500                         pop3_state->pass =
 501                                 g_strdup(pop3_state->ac_prefs->tmp_pass);
 502                 else {
 503                         gchar *pass;
 504
 505                         pass = input_dialog_query_password
 506                                 (pop3_state->ac_prefs->recv_server,
 507                                  pop3_state->user);
 508
 509                         if (inc_dialog->mainwin && inc_dialog->show_dialog)
 510                                 manage_window_focus_in
 511                                         (inc_dialog->mainwin->window,
 512                                          NULL, NULL);
 513                         if (pass) {
 514                                 pop3_state->ac_prefs->tmp_pass = g_strdup(pass);
 515                                 pop3_state->pass = pass;
 516                         } else {
 517                                 inc_session_destroy(session);
 518                                 inc_dialog->queue_list = g_list_remove
 519                                         (inc_dialog->queue_list, session);
 520                                 continue;
 521                         }
 522                 }
 523
 524                 gtk_clist_set_pixmap(clist, num, 0, currentxpm, currentxpmmask);
 525                 gtk_clist_set_text(clist, num, 2, _("Retrieving"));
 526
 527                 /* begin POP3 session */
 528                 inc_state = inc_pop3_session_do(session);
 529
 530                 switch (inc_state) {
 531                 case INC_SUCCESS:
 532                         if (pop3_state->cur_total_num > 0)
 533                                 msg = g_strdup_printf
 534                                         (_("Done (%d message(s) (%s) received)"),
 535                                          pop3_state->cur_total_num,
 536                                          to_human_readable(pop3_state->cur_total_recv_bytes));
 537                         else
 538                                 msg = g_strdup_printf(_("Done (no new messages)"));
 539                         gtk_clist_set_pixmap(clist, num, 0, okxpm, okxpmmask);
 540                         gtk_clist_set_text(clist, num, 2, msg);
 541                         g_free(msg);
 542                         break;
 543                 case INC_CONNECT_ERROR:
 544                         gtk_clist_set_pixmap(clist, num, 0, errorxpm, errorxpmmask);
 545                         gtk_clist_set_text(clist, num, 2, _("Connection failed"));
 546                         break;
 547                 case INC_AUTH_FAILED:
 548                         gtk_clist_set_pixmap(clist, num, 0, errorxpm, errorxpmmask);
 549                         gtk_clist_set_text(clist, num, 2, _("Auth failed"));
 550                         break;
 551                 case INC_LOCKED:
 552                         gtk_clist_set_pixmap(clist, num, 0, errorxpm, errorxpmmask);
 553                         gtk_clist_set_text(clist, num, 2, _("Locked"));
 554                         break;
 555                 case INC_ERROR:
 556                 case INC_NO_SPACE:
 557                 case INC_IO_ERROR:
 558                 case INC_SOCKET_ERROR:
 559                         gtk_clist_set_pixmap(clist, num, 0, errorxpm, errorxpmmask);
 560                         gtk_clist_set_text(clist, num, 2, _("Error"));
 561                         break;
 562                 case INC_CANCEL:
 563                         gtk_clist_set_pixmap(clist, num, 0, okxpm, okxpmmask);
 564                         gtk_clist_set_text(clist, num, 2, _("Cancelled"));
 565                         break;
 566                 default:
 567                         break;
 568                 }
 569
 570                 if (pop3_state->error_val == PS_AUTHFAIL) {
 571                         if(!prefs_common.no_recv_err_panel) {
 572                                 if((prefs_common.recv_dialog_mode == RECV_DIALOG_ALWAYS) ||
 573                                     ((prefs_common.recv_dialog_mode == RECV_DIALOG_ACTIVE) && focus_window)) {
 574                                         manage_window_focus_in(inc_dialog->dialog->window, NULL, NULL);
 575                                 }
 576                                 alertpanel_error
 577                                         (_("Authorization for %s on %s failed"),
 578                                          pop3_state->user,
 579                                          pop3_state->ac_prefs->recv_server);
 580                         }
 581                 }
 582
 583                 /* CLAWS: perform filtering actions on dropped message */
 584                 /* CLAWS: get default inbox (perhaps per account) */
 585                 if (pop3_state->ac_prefs->inbox) {
 586                         /* CLAWS: get destination folder / mailbox */
 587                         inbox = folder_find_item_from_identifier(pop3_state->ac_prefs->inbox);
 588                         if (!inbox)
 589                                 inbox = folder_get_default_inbox();
 590                 } else
 591                         inbox = folder_get_default_inbox();
 592
 593                 /* get list of messages in processing */
 594                 processing = folder_get_default_processing();
 595                 folder_item_scan(processing);
 596                 msglist = folder_item_get_msg_list(processing);
 597
 598                 /* process messages */
 599                 for(msglist_element = msglist; msglist_element != NULL; msglist_element = msglist_element->next) {
 600                         msginfo = (MsgInfo *) msglist_element->data;
 601                         /* filter if enabled in prefs or move to inbox if not */
 602                         if(global_processing && pop3_state->ac_prefs->filter_on_recv) {
 603                                 filter_message_by_msginfo_with_inbox(global_processing, msginfo,
 604                                                                      inbox);
 605                         } else {
 606                                 folder_item_move_msg(inbox, msginfo);
 607                         }
 608                         procmsg_msginfo_free(msginfo);
 609                 }
 610                 g_slist_free(msglist);
 611
 612
 613                 new_msgs += pop3_state->cur_total_num;
 614
 615                 if (!prefs_common.scan_all_after_inc) {
 616                         folder_update_items_when_required
 617                                  (!prefs_common.open_inbox_on_inc);
 618                 }
 619
 620                 if (pop3_state->error_val == PS_AUTHFAIL &&
 621                     pop3_state->ac_prefs->tmp_pass) {
 622                         g_free(pop3_state->ac_prefs->tmp_pass);
 623                         pop3_state->ac_prefs->tmp_pass = NULL;
 624                 }
 625
 626                 pop3_write_uidl_list(pop3_state);
 627
 628                 if (inc_state != INC_SUCCESS && inc_state != INC_CANCEL) {
 629                         error_num++;
 630                         if (inc_state == INC_ERROR    ||
 631                             inc_state == INC_NO_SPACE ||
 632                             inc_state == INC_IO_ERROR ||
 633                             inc_state == INC_SOCKET_ERROR) {
 634                                 inc_put_error(inc_state);
 635                                 break;
 636                         }
 637                 }
 638
 639                 inc_session_destroy(session);
 640                 inc_dialog->queue_list =
 641                         g_list_remove(inc_dialog->queue_list, session);
 642
 643                 num++;
 644         }
 645
 646         if (new_msgs > 0)
 647                 fin_msg = g_strdup_printf(_("Finished (%d new message(s))"),
 648                                           new_msgs);
 649         else
 650                 fin_msg = g_strdup_printf(_("Finished (no new messages)"));
 651
 652         progress_dialog_set_label(inc_dialog->dialog, fin_msg);
 653
 654         if (error_num && !prefs_common.no_recv_err_panel) {
 655                 if (inc_dialog->show_dialog)
 656                         manage_window_focus_in(inc_dialog->dialog->window,
 657                                                NULL, NULL);
 658                 alertpanel_error(_("Some errors occurred while getting mail."));
 659                 if (inc_dialog->show_dialog)
 660                         manage_window_focus_out(inc_dialog->dialog->window,
 661                                                 NULL, NULL);
 662         }
 663
 664         while (inc_dialog->queue_list != NULL) {
 665                 session = inc_dialog->queue_list->data;
 666                 inc_session_destroy(session);
 667                 inc_dialog->queue_list =
 668                         g_list_remove(inc_dialog->queue_list, session);
 669         }
 670
 671         if (prefs_common.close_recv_dialog)
 672                 inc_progress_dialog_destroy(inc_dialog);
 673         else {
 674                 gtk_window_set_title(GTK_WINDOW(inc_dialog->dialog->window),
 675                                      fin_msg);
 676                 gtk_label_set_text(GTK_LABEL(GTK_BIN(inc_dialog->dialog->cancel_btn)->child),
 677                                    _("Close"));
 678         }
 679
 680         g_free(fin_msg);
 681
 682         return new_msgs;
 683 }
 684
 685 static IncState inc_pop3_session_do(IncSession *session)
 686 {
 687         Pop3State *pop3_state = session->pop3_state;
 688         IncProgressDialog *inc_dialog = (IncProgressDialog *)session->data;
 689         Automaton *atm;
 690         SockInfo *sockinfo;
 691         gint i;
 692         gchar *server;
 693         gushort port;
 694         gchar *buf;
 695         static AtmHandler handlers[] = {
 696                 pop3_greeting_recv      ,
 697 #if USE_OPENSSL
 698                 pop3_stls_send          , pop3_stls_recv,
 699 #endif
 700                 pop3_getauth_user_send  , pop3_getauth_user_recv,
 701                 pop3_getauth_pass_send  , pop3_getauth_pass_recv,
 702                 pop3_getauth_apop_send  , pop3_getauth_apop_recv,
 703                 pop3_getrange_stat_send , pop3_getrange_stat_recv,
 704                 pop3_getrange_last_send , pop3_getrange_last_recv,
 705                 pop3_getrange_uidl_send , pop3_getrange_uidl_recv,
 706                 pop3_getsize_list_send  , pop3_getsize_list_recv,
 707                 pop3_top_send           , pop3_top_recv,
 708                 pop3_retr_send          , pop3_retr_recv,
 709                 pop3_delete_send        , pop3_delete_recv,
 710                 pop3_logout_send        , pop3_logout_recv
 711         };
 712
 713         debug_print("getting new messages of account %s...\n",
 714                     pop3_state->ac_prefs->account_name);
 715
 716         pop3_state->ac_prefs->last_pop_login_time = time(NULL);
 717         atm = automaton_create(N_POP3_PHASE);
 718
 719         session->atm = atm;
 720         atm->data = pop3_state;
 721
 722         buf = g_strdup_printf(_("%s: Retrieving new messages"),
 723                               pop3_state->ac_prefs->recv_server);
 724         gtk_window_set_title(GTK_WINDOW(inc_dialog->dialog->window), buf);
 725         g_free(buf);
 726
 727         for (i = POP3_GREETING_RECV; i < N_POP3_PHASE; i++)
 728                 atm->state[i].handler = handlers[i];
 729         atm->state[POP3_GREETING_RECV].condition = (G_IO_IN | G_IO_HUP | G_IO_ERR);
 730         for (i = POP3_GREETING_RECV + 1; i < N_POP3_PHASE; ) {
 731                 atm->state[i++].condition = (G_IO_OUT | G_IO_ERR);
 732                 atm->state[i++].condition = (G_IO_IN | G_IO_HUP | G_IO_ERR);
 733         }
 734
 735         atm->terminate = (AtmHandler)pop3_automaton_terminate;
 736         atm->ui_func = (AtmUIFunc)inc_progress_update;
 737
 738         atm->num = POP3_GREETING_RECV;
 739
 740         server = pop3_state->ac_prefs->recv_server;
 741 #if USE_OPENSSL
 742         port = pop3_state->ac_prefs->set_popport ?
 743                 pop3_state->ac_prefs->popport :
 744                 pop3_state->ac_prefs->ssl_pop == SSL_TUNNEL ? 995 : 110;
 745 #else
 746         port = pop3_state->ac_prefs->set_popport ?
 747                 pop3_state->ac_prefs->popport : 110;
 748 #endif
 749
 750         buf = g_strdup_printf(_("Connecting to POP3 server: %s ..."), server);
 751         log_message("%s\n", buf);
 752         progress_dialog_set_label(inc_dialog->dialog, buf);
 753         g_free(buf);
 754         GTK_EVENTS_FLUSH();
 755
 756         if ((sockinfo = sock_connect(server, port)) == NULL) {
 757                 log_warning(_("Can't connect to POP3 server: %s:%d\n"),
 758                             server, port);
 759                 if(!prefs_common.no_recv_err_panel) {
 760                         if((prefs_common.recv_dialog_mode == RECV_DIALOG_ALWAYS) ||
 761                             ((prefs_common.recv_dialog_mode == RECV_DIALOG_ACTIVE) && focus_window)) {
 762                                 manage_window_focus_in(inc_dialog->dialog->window, NULL, NULL);
 763                         }
 764                         alertpanel_error(_("Can't connect to POP3 server: %s:%d"),
 765                                          server, port);
 766                         manage_window_focus_out(inc_dialog->dialog->window, NULL, NULL);
 767                 }
 768                 pop3_automaton_terminate(NULL, atm);
 769                 automaton_destroy(atm);
 770                 session->inc_state = INC_CONNECT_ERROR;
 771                 return INC_CONNECT_ERROR;
 772         }
 773
 774 #if USE_OPENSSL
 775         if (pop3_state->ac_prefs->ssl_pop == SSL_TUNNEL &&
 776             !ssl_init_socket(sockinfo)) {
 777                 pop3_automaton_terminate(sockinfo, atm);
 778                 automaton_destroy(atm);
 779                 session->inc_state = INC_CONNECT_ERROR;
 780                 return INC_CONNECT_ERROR;
 781         }
 782 #endif
 783
 784         /* :WK: Hmmm, with the later sock_gdk_input, we have 2 references
 785          * to the sock structure - implement a reference counter?? */
 786         pop3_state->sockinfo = sockinfo;
 787         atm->help_sock = sockinfo;
 788
 789         statusbar_verbosity_set(TRUE);
 790         /* oha: this messes up inc_progress update:
 791            disabling this would avoid the label "Retrieve Header"
 792            being overwritten by "Retrieve Message"
 793            Setting inc_pop3_recv_func is not necessary
 794            since atm already handles the progress dialog ui
 795            just fine.
 796         */
 797         recv_set_ui_func(inc_pop3_recv_func, session);
 798
 799         atm->tag = sock_input_add(sockinfo,
 800                                   atm->state[atm->num].condition,
 801                                   automaton_input_cb, atm);
 802
 803         while (!atm->terminated && !atm->cancelled)
 804                 gtk_main_iteration();
 805
 806         if (!atm->terminated)
 807                 pop3_automaton_terminate(sockinfo, atm);
 808
 809         statusbar_verbosity_set(FALSE);
 810         /* oha: see above */
 811         recv_set_ui_func(NULL, NULL);
 812
 813         automaton_destroy(atm);
 814
 815         if (session->inc_state != INC_SUCCESS)
 816                 return session->inc_state;
 817
 818         switch (pop3_state->error_val) {
 819         case PS_SUCCESS:
 820                 session->inc_state = INC_SUCCESS;
 821                 break;
 822         case PS_AUTHFAIL:
 823                 session->inc_state = INC_AUTH_FAILED;
 824                 break;
 825         case PS_IOERR:
 826                 session->inc_state = INC_IO_ERROR;
 827                 break;
 828         case PS_SOCKET:
 829                 session->inc_state = INC_SOCKET_ERROR;
 830                 break;
 831         case PS_LOCKBUSY:
 832                 session->inc_state = INC_LOCKED;
 833                 break;
 834         default:
 835                 session->inc_state = INC_ERROR;
 836                 break;
 837         }
 838
 839         return session->inc_state;
 840 }
 841
 842 static gint pop3_automaton_terminate(SockInfo *source, Automaton *atm)
 843 {
 844         if (atm->terminated) return 0;
 845
 846         if (atm->tag > 0) {
 847                 gdk_input_remove(atm->tag);
 848                 atm->tag = 0;
 849         }
 850         if (atm->timeout_tag > 0) {
 851                 gtk_timeout_remove(atm->timeout_tag);
 852                 atm->timeout_tag = 0;
 853         }
 854         if (source)
 855                 sock_close(source);
 856
 857         atm->terminated = TRUE;
 858
 859         return 0;
 860 }
 861
 862 static gboolean inc_pop3_recv_func(SockInfo *sock, gint count, gint read_bytes,
 863                                    gpointer data)
 864 {
 865         gchar buf[MSGBUFSIZE];
 866         IncSession *session = (IncSession *)data;
 867         Pop3State *state = session->pop3_state;
 868         IncProgressDialog *inc_dialog = (IncProgressDialog *)session->data;
 869         ProgressDialog *dialog = inc_dialog->dialog;
 870         gint cur_total;
 871         gchar *total_size;
 872
 873         cur_total = state->cur_total_bytes + read_bytes;
 874         if (cur_total > state->total_bytes)
 875                 cur_total = state->total_bytes;
 876
 877         Xstrdup_a(total_size, to_human_readable(state->total_bytes),
 878                   return FALSE);
 879         g_snprintf(buf, sizeof(buf),
 880                    _("Retrieving message (%d / %d) (%s / %s)"),
 881                    state->cur_msg, state->count,
 882                    to_human_readable(cur_total), total_size);
 883         progress_dialog_set_label(dialog, buf);
 884
 885         progress_dialog_set_percentage
 886                 (dialog, (gfloat)cur_total / (gfloat)state->total_bytes);
 887         if (inc_dialog->mainwin)
 888                 gtk_progress_bar_update
 889                         (GTK_PROGRESS_BAR(inc_dialog->mainwin->progressbar),
 890                          (gfloat)cur_total / (gfloat)state->total_bytes);
 891         GTK_EVENTS_FLUSH();
 892
 893         if (session->inc_state == INC_CANCEL)
 894                 return FALSE;
 895         else
 896                 return TRUE;
 897 }
 898
 899 void inc_progress_update(Pop3State *state, Pop3Phase phase)
 900 {
 901         gchar buf[MSGBUFSIZE];
 902         IncSession *session = (IncSession *)state->data;
 903         IncProgressDialog *inc_dialog = (IncProgressDialog *)session->data;
 904         ProgressDialog *dialog = inc_dialog->dialog;
 905         gchar *total_size;
 906
 907         switch (phase) {
 908         case POP3_GREETING_RECV:
 909                 break;
 910         case POP3_GETAUTH_USER_SEND:
 911         case POP3_GETAUTH_PASS_SEND:
 912         case POP3_GETAUTH_APOP_SEND:
 913                 progress_dialog_set_label(dialog, _("Authenticating..."));
 914                 break;
 915         case POP3_GETRANGE_STAT_SEND:
 916                 progress_dialog_set_label
 917                         (dialog, _("Getting the number of new messages (STAT)..."));
 918                 break;
 919         case POP3_GETRANGE_LAST_SEND:
 920                 progress_dialog_set_label
 921                         (dialog, _("Getting the number of new messages (LAST)..."));
 922                 break;
 923         case POP3_GETRANGE_UIDL_SEND:
 924                 progress_dialog_set_label
 925                         (dialog, _("Getting the number of new messages (UIDL)..."));
 926                 break;
 927         case POP3_GETSIZE_LIST_SEND:
 928                 progress_dialog_set_label
 929                         (dialog, _("Getting the size of messages (LIST)..."));
 930                 break;
 931         case POP3_TOP_SEND:
 932                 g_snprintf(buf, sizeof(buf),
 933                            _("Retrieving header (%d / %d)"),
 934                            state->cur_msg, state->count);
 935                 progress_dialog_set_label (dialog, buf);
 936                 progress_dialog_set_percentage
 937                         (dialog,
 938                          (gfloat)(state->cur_msg) /
 939                          (gfloat)(state->count));
 940                 if (inc_dialog->mainwin)
 941                         gtk_progress_bar_update
 942                                 (GTK_PROGRESS_BAR(inc_dialog->mainwin->progressbar),
 943                                  (gfloat)(state->cur_msg) /
 944                                  (gfloat)(state->count));
 945                 break;
 946         case POP3_RETR_SEND:
 947                 Xstrdup_a(total_size, to_human_readable(state->total_bytes), return);
 948                 g_snprintf(buf, sizeof(buf),
 949                            _("Retrieving message (%d / %d) (%s / %s)"),
 950                            state->cur_msg, state->count,
 951                            to_human_readable(state->cur_total_bytes),
 952                            total_size);
 953                 progress_dialog_set_label(dialog, buf);
 954                 progress_dialog_set_percentage
 955                         (dialog,
 956                          (gfloat)(state->cur_total_bytes) /
 957                          (gfloat)(state->total_bytes));
 958                 if (inc_dialog->mainwin)
 959                         gtk_progress_bar_update
 960                                 (GTK_PROGRESS_BAR(inc_dialog->mainwin->progressbar),
 961                                  (gfloat)(state->cur_total_bytes) /
 962                                  (gfloat)(state->total_bytes));
 963                 break;
 964         case POP3_DELETE_SEND:
 965                 if (state->msg[state->cur_msg].recv_time < state->current_time) {
 966                         g_snprintf(buf, sizeof(buf), _("Deleting message %d"),
 967                                    state->cur_msg);
 968                         progress_dialog_set_label(dialog, buf);
 969                 }
 970                 break;
 971         case POP3_LOGOUT_SEND:
 972                 progress_dialog_set_label(dialog, _("Quitting"));
 973                 break;
 974         default:
 975                 break;
 976         }
 977 }
 978
 979 gint inc_drop_message(const gchar *file, Pop3State *state)
 980 {
 981         FolderItem *inbox;
 982         FolderItem *dropfolder;
 983         gint msgnum;
 984
 985         /* CLAWS: get default inbox (perhaps per account) */
 986         if (state->ac_prefs->inbox) {
 987                 /* CLAWS: get destination folder / mailbox */
 988                 inbox = folder_find_item_from_identifier
 989                         (state->ac_prefs->inbox);
 990                 if (!inbox)
 991                         inbox = folder_get_default_inbox();
 992         } else
 993                 inbox = folder_get_default_inbox();
 994         if (!inbox) {
 995                 unlink(file);
 996                 return -1;
 997         }
 998
 999         /* CLAWS: claws uses a global .processing folder for the filtering. */
1000         dropfolder = folder_get_default_processing();
1001
1002         /* add msg file to drop folder */
1003         if ((msgnum = folder_item_add_msg(dropfolder, file, TRUE)) < 0) {
1004                 unlink(file);
1005                 return -1;
1006         }
1007
1008         return 0;
1009 }
1010
1011 static void inc_put_error(IncState istate)
1012 {
1013         switch (istate) {
1014         case INC_ERROR:
1015                 if (!prefs_common.no_recv_err_panel)
1016                         alertpanel_error
1017                                 (_("Error occurred while processing mail."));
1018                 break;
1019         case INC_NO_SPACE:
1020                 alertpanel_error(_("No disk space left."));
1021                 break;
1022         case INC_IO_ERROR:
1023                 alertpanel_error(_("Can't write file."));
1024                 break;
1025         case INC_SOCKET_ERROR:
1026                 alertpanel_error(_("Socket error."));
1027                 break;
1028         case INC_LOCKED:
1029                 if (!prefs_common.no_recv_err_panel)
1030                         alertpanel_error(_("Mailbox is locked."));
1031                 break;
1032         default:
1033                 break;
1034         }
1035 }
1036
1037 static void inc_cancel(IncProgressDialog *dialog)
1038 {
1039         IncSession *session;
1040         SockInfo *sockinfo;
1041
1042         g_return_if_fail(dialog != NULL);
1043
1044         if (dialog->queue_list == NULL) {
1045                 inc_progress_dialog_destroy(dialog);
1046                 return;
1047         }
1048
1049         session = dialog->queue_list->data;
1050         sockinfo = session->pop3_state->sockinfo;
1051
1052         if (!sockinfo || session->atm->terminated == TRUE) return;
1053
1054         session->pop3_state->cancelled = TRUE;
1055         session->inc_state = INC_CANCEL;
1056         session->atm->cancelled = TRUE;
1057
1058         log_message(_("Incorporation cancelled\n"));
1059 }
1060
1061 gboolean inc_is_active(void)
1062 {
1063         return (inc_dialog_list != NULL);
1064 }
1065
1066 void inc_cancel_all(void)
1067 {
1068         GList *cur;
1069
1070         for (cur = inc_dialog_list; cur != NULL; cur = cur->next)
1071                 inc_cancel((IncProgressDialog *)cur->data);
1072 }
1073
1074 static void inc_cancel_cb(GtkWidget *widget, gpointer data)
1075 {
1076         inc_cancel((IncProgressDialog *)data);
1077 }
1078
1079 static gint inc_dialog_delete_cb(GtkWidget *widget, GdkEventAny *event,
1080                                  gpointer data)
1081 {
1082         IncProgressDialog *dialog = (IncProgressDialog *)data;
1083
1084         if (dialog->queue_list == NULL)
1085                 inc_progress_dialog_destroy(dialog);
1086
1087         return TRUE;
1088 }
1089
1090 static gint inc_spool(void)
1091 {
1092         gchar *mbox, *logname;
1093         gint msgs;
1094
1095         logname = g_get_user_name();
1096         mbox = g_strconcat(prefs_common.spool_path
1097                            ? prefs_common.spool_path : DEFAULT_SPOOL_PATH,
1098                            G_DIR_SEPARATOR_S, logname, NULL);
1099         msgs = get_spool(folder_get_default_inbox(), mbox);
1100         g_free(mbox);
1101
1102         return msgs;
1103 }
1104
1105 static void inc_spool_account(PrefsAccount *account)
1106 {
1107         FolderItem *inbox;
1108
1109         if (account->inbox) {
1110                 inbox = folder_find_item_from_path(account->inbox);
1111                 if (!inbox)
1112                         inbox = folder_get_default_inbox();
1113         } else
1114                 inbox = folder_get_default_inbox();
1115
1116         get_spool(inbox, account->local_mbox);
1117 }
1118
1119 static void inc_all_spool(void)
1120 {
1121         GList *list = NULL;
1122
1123         list = account_get_list();
1124         if (!list) return;
1125
1126         for (; list != NULL; list = list->next) {
1127                 PrefsAccount *account = list->data;
1128
1129                 if ((account->protocol == A_LOCAL) &&
1130                     (account->recv_at_getall))
1131                         inc_spool_account(account);
1132         }
1133 }
1134
1135 static gint get_spool(FolderItem *dest, const gchar *mbox)
1136 {
1137         gint msgs, size;
1138         gint lockfd;
1139         gchar tmp_mbox[MAXPATHLEN + 1];
1140
1141         g_return_val_if_fail(dest != NULL, -1);
1142         g_return_val_if_fail(mbox != NULL, -1);
1143
1144         if (!is_file_exist(mbox) || (size = get_file_size(mbox)) == 0) {
1145                 debug_print("no messages in local mailbox.\n");
1146                 return 0;
1147         } else if (size < 0)
1148                 return -1;
1149
1150         if ((lockfd = lock_mbox(mbox, LOCK_FLOCK)) < 0)
1151                 return -1;
1152
1153         g_snprintf(tmp_mbox, sizeof(tmp_mbox), "%s%ctmpmbox.%08x",
1154                    get_tmp_dir(), G_DIR_SEPARATOR, (gint)mbox);
1155
1156         if (copy_mbox(mbox, tmp_mbox) < 0) {
1157                 unlock_mbox(mbox, lockfd, LOCK_FLOCK);
1158                 return -1;
1159         }
1160
1161         debug_print("Getting new messages from %s into %s...\n",
1162                     mbox, dest->path);
1163
1164         msgs = proc_mbox(dest, tmp_mbox);
1165
1166         unlink(tmp_mbox);
1167         if (msgs >= 0) empty_mbox(mbox);
1168         unlock_mbox(mbox, lockfd, LOCK_FLOCK);
1169
1170         if (!prefs_common.scan_all_after_inc) {
1171                 folder_update_items_when_required
1172                         (!prefs_common.open_inbox_on_inc);
1173         } else if (!prefs_common.scan_all_after_inc) {
1174                 folder_update_item(dest, TRUE);
1175         }
1176
1177         return msgs;
1178 }
1179
1180 void inc_lock(void)
1181 {
1182         inc_lock_count++;
1183 }
1184
1185 void inc_unlock(void)
1186 {
1187         if (inc_lock_count > 0)
1188                 inc_lock_count--;
1189 }
1190
1191 static guint autocheck_timer = 0;
1192 static gpointer autocheck_data = NULL;
1193
1194 static void inc_notify_cmd(gint new_msgs, gboolean notify)
1195 {
1196
1197         gchar *buf;
1198
1199         if (!(new_msgs && notify && prefs_common.newmail_notify_cmd &&
1200             *prefs_common.newmail_notify_cmd))
1201                      return;
1202         if ((buf = strchr(prefs_common.newmail_notify_cmd, '%')) &&
1203                 buf[1] == 'd' && !strchr(&buf[1], '%'))
1204                 buf = g_strdup_printf(prefs_common.newmail_notify_cmd,
1205                                       new_msgs);
1206         else
1207                 buf = g_strdup(prefs_common.newmail_notify_cmd);
1208
1209         execute_command_line(buf, TRUE);
1210
1211         g_free(buf);
1212 }
1213
1214 void inc_autocheck_timer_init(MainWindow *mainwin)
1215 {
1216         autocheck_data = mainwin;
1217         inc_autocheck_timer_set();
1218 }
1219
1220 static void inc_autocheck_timer_set_interval(guint interval)
1221 {
1222         inc_autocheck_timer_remove();
1223         /* last test is to avoid re-enabling auto_check after modifying
1224            the common preferences */
1225         if (prefs_common.autochk_newmail && autocheck_data
1226             && prefs_common.work_offline == FALSE) {
1227                 autocheck_timer = gtk_timeout_add
1228                         (interval, inc_autocheck_func, autocheck_data);
1229                 debug_print("added timer = %d\n", autocheck_timer);
1230         }
1231 }
1232
1233 void inc_autocheck_timer_set(void)
1234 {
1235         inc_autocheck_timer_set_interval(prefs_common.autochk_itv * 60000);
1236 }
1237
1238 void inc_autocheck_timer_remove(void)
1239 {
1240         if (autocheck_timer) {
1241                 debug_print("removed timer = %d\n", autocheck_timer);
1242                 gtk_timeout_remove(autocheck_timer);
1243                 autocheck_timer = 0;
1244         }
1245 }
1246
1247 static gint inc_autocheck_func(gpointer data)
1248 {
1249         MainWindow *mainwin = (MainWindow *)data;
1250
1251         if (inc_lock_count) {
1252                 debug_print("autocheck is locked.\n");
1253                 inc_autocheck_timer_set_interval(1000);
1254                 return FALSE;
1255         }
1256
1257         inc_all_account_mail(mainwin, prefs_common.newmail_notify_auto);
1258
1259         return FALSE;
1260 }