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
  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    (void);
  88 static void inc_progress_dialog_destroy (IncProgressDialog      *inc_dialog);
  89
  90 static IncSession *inc_session_new      (PrefsAccount           *account);
  91 static void inc_session_destroy         (IncSession             *session);
  92 static gint inc_start                   (IncProgressDialog      *inc_dialog);
  93 static IncState inc_pop3_session_do     (IncSession             *session);
  94 static gint pop3_automaton_terminate    (SockInfo               *source,
  95                                          Automaton              *atm);
  96
  97 static gboolean inc_pop3_recv_func      (SockInfo       *sock,
  98                                          gint            count,
  99                                          gint            read_bytes,
 100                                          gpointer        data);
 101
 102 static void inc_put_error               (IncState        istate);
 103
 104 static void inc_cancel_cb               (GtkWidget      *widget,
 105                                          gpointer        data);
 106 static gint inc_dialog_delete_cb        (GtkWidget      *widget,
 107                                          GdkEventAny    *event,
 108                                          gpointer        data);
 109
 110 static gint inc_spool                   (void);
 111 static gint get_spool                   (FolderItem     *dest,
 112                                          const gchar    *mbox);
 113
 114 static void inc_spool_account(PrefsAccount *account);
 115 static void inc_all_spool(void);
 116 static void inc_autocheck_timer_set_interval    (guint           interval);
 117 static gint inc_autocheck_func                  (gpointer        data);
 118
 119 static void inc_notify_cmd              (gint new_msgs,
 120                                          gboolean notify);
 121
 122 #define FOLDER_SUMMARY_MISMATCH(f, s) \
 123         (f) && (s) ? ((s)->newmsgs != (f)->new) || ((f)->unread != (s)->unread) || ((f)->total != (s)->messages) \
 124         : FALSE
 125
 126 /**
 127  * inc_finished:
 128  * @mainwin: Main window.
 129  * @new_messages: TRUE if some messages have been received.
 130  *
 131  * Update the folder view and the summary view after receiving
 132  * messages.  If @new_messages is FALSE, this function avoids unneeded
 133  * updating.
 134  **/
 135 static void inc_finished(MainWindow *mainwin, gboolean new_messages)
 136 {
 137         FolderItem *item;
 138
 139         if (prefs_common.scan_all_after_inc)
 140                 folderview_check_new(NULL);
 141
 142         if (!new_messages && !prefs_common.scan_all_after_inc) return;
 143
 144         if (prefs_common.open_inbox_on_inc) {
 145                 item = cur_account && cur_account->inbox
 146                         ? folder_find_item_from_identifier(cur_account->inbox)
 147                         : folder_get_default_inbox();
 148                 if (FOLDER_SUMMARY_MISMATCH(item, mainwin->summaryview)) {
 149                         folderview_unselect(mainwin->folderview);
 150                         folderview_select(mainwin->folderview, item);
 151                 }
 152         } else if (prefs_common.scan_all_after_inc) {
 153                 item = mainwin->summaryview->folder_item;
 154                 if (FOLDER_SUMMARY_MISMATCH(item, mainwin->summaryview)) {
 155                         folderview_update_item(item, TRUE);
 156                 }
 157         }
 158 }
 159
 160 void inc_mail(MainWindow *mainwin, gboolean notify)
 161 {
 162         gint new_msgs = 0;
 163
 164         if (inc_lock_count) return;
 165
 166         if (prefs_common.work_offline)
 167                 if (alertpanel(_("Offline warning"),
 168                                _("You're working offline. Override?"),
 169                                _("Yes"), _("No"), NULL) != G_ALERTDEFAULT)
 170                 return;
 171
 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                         new_msgs = inc_spool();
 185
 186                 if (new_msgs <= 0)
 187                         new_msgs = 1;
 188         } else {
 189                 if (prefs_common.inc_local) {
 190                         new_msgs = inc_spool();
 191                         if (new_msgs < 0)
 192                                 new_msgs = 0;
 193                 }
 194                 cur_account->session = STYPE_NORMAL;
 195                 new_msgs += inc_account_mail(cur_account, mainwin);
 196         }
 197
 198         inc_finished(mainwin, new_msgs > 0);
 199         main_window_unlock(mainwin);
 200         inc_notify_cmd(new_msgs, notify);
 201         inc_autocheck_timer_set();
 202 }
 203
 204 void inc_selective_download(MainWindow *mainwin, PrefsAccount *acc, gint session)
 205 {
 206         GSList *cur;
 207         gint new_msgs = 0;
 208
 209         acc->session = session;
 210         inc_account_mail(acc, mainwin);
 211         acc->session = STYPE_NORMAL;
 212
 213         for (cur = acc->msg_list; cur != NULL; cur = cur->next) {
 214                 HeaderItems *items =(HeaderItems*)cur->data;
 215
 216                 if (items->state == SD_DOWNLOADED &&
 217                     items->del_by_old_session == FALSE) {
 218                         new_msgs++;
 219                 }
 220         }
 221
 222         if (new_msgs) {
 223                 inc_finished(mainwin, TRUE);
 224                 inc_notify_cmd(new_msgs, prefs_common.newmail_notify_manu);
 225         }
 226 }
 227
 228 void inc_pop_before_smtp(PrefsAccount *acc)
 229 {
 230         acc->session = STYPE_POP_BEFORE_SMTP;
 231         inc_account_mail(acc, NULL);
 232 }
 233
 234 static gint inc_account_mail(PrefsAccount *account, MainWindow *mainwin)
 235 {
 236         IncProgressDialog *inc_dialog;
 237         IncSession *session;
 238         gchar *text[3];
 239         FolderItem *item;
 240
 241         if(mainwin && mainwin->summaryview)
 242                 item = mainwin->summaryview->folder_item;
 243
 244         switch (account->protocol) {
 245         case A_IMAP4:
 246         case A_NNTP:
 247                 folderview_check_new(FOLDER(account->folder));
 248                 if (!prefs_common.scan_all_after_inc && item != NULL &&
 249                     FOLDER(account->folder) == item->folder)
 250                         folderview_update_item(item, TRUE);
 251                 return 1;
 252
 253         case A_POP3:
 254         case A_APOP:
 255                 session = inc_session_new(account);
 256                 if (!session) return 0;
 257
 258                 inc_dialog = inc_progress_dialog_create();
 259                 inc_dialog->queue_list = g_list_append(inc_dialog->queue_list,
 260                                                        session);
 261                 inc_dialog->mainwin = mainwin;
 262                 session->data = inc_dialog;
 263
 264                 text[0] = NULL;
 265                 text[1] = account->account_name;
 266                 text[2] = _("Standby");
 267                 gtk_clist_append(GTK_CLIST(inc_dialog->dialog->clist), text);
 268
 269                 if (mainwin) {
 270                         toolbar_set_sensitive(mainwin);
 271                         main_window_set_menu_sensitive(mainwin);
 272                 }
 273
 274                 return inc_start(inc_dialog);
 275
 276         case A_LOCAL:
 277                 inc_spool_account(account);
 278                 return 1;
 279
 280         default:
 281                 break;
 282         }
 283         return 0;
 284 }
 285
 286 void inc_all_account_mail(MainWindow *mainwin, gboolean notify)
 287 {
 288         GList *list, *queue_list = NULL;
 289         IncProgressDialog *inc_dialog;
 290         gint new_msgs = 0;
 291
 292         if (prefs_common.work_offline)
 293                 if (alertpanel(_("Offline warning"),
 294                                _("You're working offline. Override?"),
 295                                _("Yes"), _("No"), NULL) != G_ALERTDEFAULT)
 296                 return;
 297
 298         if (inc_lock_count) return;
 299
 300         inc_autocheck_timer_remove();
 301         main_window_lock(mainwin);
 302
 303         if (prefs_common.inc_local) {
 304                 new_msgs = inc_spool();
 305                 if (new_msgs < 0)
 306                         new_msgs = 0;
 307         }
 308
 309         list = account_get_list();
 310         if (!list) {
 311                 inc_finished(mainwin, new_msgs > 0);
 312                 main_window_unlock(mainwin);
 313                 inc_notify_cmd(new_msgs, notify);
 314                 inc_autocheck_timer_set();
 315                 return;
 316         }
 317
 318         /* check local folders */
 319         inc_all_spool();
 320
 321         /* check IMAP4 folders */
 322         for (; list != NULL; list = list->next) {
 323                 PrefsAccount *account = list->data;
 324                 if ((account->protocol == A_IMAP4 ||
 325                      account->protocol == A_NNTP) && account->recv_at_getall) {
 326                         FolderItem *item = mainwin->summaryview->folder_item;
 327
 328                         folderview_check_new(FOLDER(account->folder));
 329                         if (!prefs_common.scan_all_after_inc && item != NULL &&
 330                             FOLDER(account->folder) == item->folder)
 331                                 folderview_update_item(item, TRUE);
 332                 }
 333         }
 334
 335         /* check POP3 accounts */
 336         for (list = account_get_list(); list != NULL; list = list->next) {
 337                 IncSession *session;
 338                 PrefsAccount *account = list->data;
 339                 account->session = STYPE_NORMAL;
 340                 if (account->recv_at_getall) {
 341                         session = inc_session_new(account);
 342                         if (session)
 343                                 queue_list = g_list_append(queue_list, session);
 344                 }
 345         }
 346
 347         if (!queue_list) {
 348                 inc_finished(mainwin, new_msgs > 0);
 349                 main_window_unlock(mainwin);
 350                 inc_notify_cmd(new_msgs, notify);
 351                 inc_autocheck_timer_set();
 352                 return;
 353         }
 354
 355         inc_dialog = inc_progress_dialog_create();
 356         inc_dialog->queue_list = queue_list;
 357         inc_dialog->mainwin = mainwin;
 358         for (list = queue_list; list != NULL; list = list->next) {
 359                 IncSession *session = list->data;
 360                 gchar *text[3];
 361
 362                 session->data = inc_dialog;
 363
 364                 text[0] = NULL;
 365                 text[1] = session->pop3_state->ac_prefs->account_name;
 366                 text[2] = _("Standby");
 367                 gtk_clist_append(GTK_CLIST(inc_dialog->dialog->clist), text);
 368         }
 369
 370         toolbar_set_sensitive(mainwin);
 371         main_window_set_menu_sensitive(mainwin);
 372
 373         new_msgs += inc_start(inc_dialog);
 374
 375         inc_finished(mainwin, new_msgs > 0);
 376         main_window_unlock(mainwin);
 377         inc_notify_cmd(new_msgs, notify);
 378         inc_autocheck_timer_set();
 379 }
 380
 381 static IncProgressDialog *inc_progress_dialog_create(void)
 382 {
 383         IncProgressDialog *dialog;
 384         ProgressDialog *progress;
 385
 386         dialog = g_new0(IncProgressDialog, 1);
 387
 388         progress = progress_dialog_create();
 389         gtk_window_set_title(GTK_WINDOW(progress->window),
 390                              _("Retrieving new messages"));
 391         gtk_signal_connect(GTK_OBJECT(progress->cancel_btn), "clicked",
 392                            GTK_SIGNAL_FUNC(inc_cancel_cb), dialog);
 393         gtk_signal_connect(GTK_OBJECT(progress->window), "delete_event",
 394                            GTK_SIGNAL_FUNC(inc_dialog_delete_cb), dialog);
 395         /* manage_window_set_transient(GTK_WINDOW(progress->window)); */
 396
 397         progress_dialog_set_value(progress, 0.0);
 398
 399         stock_pixmap_gdk(progress->clist, STOCK_PIXMAP_COMPLETE,
 400                          &okxpm, &okxpmmask);
 401         stock_pixmap_gdk(progress->clist, STOCK_PIXMAP_CONTINUE,
 402                          &currentxpm, &currentxpmmask);
 403         stock_pixmap_gdk(progress->clist, STOCK_PIXMAP_ERROR,
 404                          &errorxpm, &errorxpmmask);
 405
 406         if (prefs_common.recv_dialog_mode == RECV_DIALOG_ALWAYS ||
 407             (prefs_common.recv_dialog_mode == RECV_DIALOG_ACTIVE &&
 408              manage_window_get_focus_window())) {
 409                 dialog->show_dialog = TRUE;
 410                 gtk_widget_show_now(progress->window);
 411         }
 412
 413         dialog->dialog = progress;
 414         dialog->queue_list = NULL;
 415
 416         inc_dialog_list = g_list_append(inc_dialog_list, dialog);
 417
 418         return dialog;
 419 }
 420
 421 static void inc_progress_dialog_clear(IncProgressDialog *inc_dialog)
 422 {
 423         progress_dialog_set_value(inc_dialog->dialog, 0.0);
 424         progress_dialog_set_label(inc_dialog->dialog, "");
 425         if (inc_dialog->mainwin)
 426                 gtk_progress_bar_update
 427                         (GTK_PROGRESS_BAR(inc_dialog->mainwin->progressbar), 0.0);
 428 }
 429
 430 static void inc_progress_dialog_destroy(IncProgressDialog *inc_dialog)
 431 {
 432         g_return_if_fail(inc_dialog != NULL);
 433
 434         inc_dialog_list = g_list_remove(inc_dialog_list, inc_dialog);
 435         if (inc_dialog->mainwin)
 436                 gtk_progress_bar_update
 437                         (GTK_PROGRESS_BAR(inc_dialog->mainwin->progressbar), 0.0);
 438         progress_dialog_destroy(inc_dialog->dialog);
 439
 440         g_free(inc_dialog);
 441 }
 442
 443 static IncSession *inc_session_new(PrefsAccount *account)
 444 {
 445         IncSession *session;
 446
 447         g_return_val_if_fail(account != NULL, NULL);
 448
 449         if (account->protocol != A_POP3 && account->protocol != A_APOP)
 450                 return NULL;
 451         if (!account->recv_server || !account->userid)
 452                 return NULL;
 453
 454         session = g_new0(IncSession, 1);
 455         session->pop3_state = pop3_state_new(account);
 456         session->pop3_state->data = session;
 457
 458         return session;
 459 }
 460
 461 static void inc_session_destroy(IncSession *session)
 462 {
 463         g_return_if_fail(session != NULL);
 464
 465         pop3_state_destroy(session->pop3_state);
 466         g_free(session);
 467 }
 468
 469 static gint inc_start(IncProgressDialog *inc_dialog)
 470 {
 471         IncSession *session;
 472         GtkCList *clist = GTK_CLIST(inc_dialog->dialog->clist);
 473         Pop3State *pop3_state;
 474         IncState inc_state;
 475         gint num = 0;
 476         gint error_num = 0;
 477         gint new_msgs = 0;
 478         gchar *msg;
 479         gchar *fin_msg;
 480
 481         while (inc_dialog->queue_list != NULL) {
 482                 session = inc_dialog->queue_list->data;
 483                 pop3_state = session->pop3_state;
 484
 485                 inc_progress_dialog_clear(inc_dialog);
 486
 487                 gtk_clist_moveto(clist, num, -1, 1.0, 0.0);
 488
 489                 pop3_state->user = g_strdup(pop3_state->ac_prefs->userid);
 490                 if (pop3_state->ac_prefs->passwd)
 491                         pop3_state->pass =
 492                                 g_strdup(pop3_state->ac_prefs->passwd);
 493                 else if (pop3_state->ac_prefs->tmp_pass)
 494                         pop3_state->pass =
 495                                 g_strdup(pop3_state->ac_prefs->tmp_pass);
 496                 else {
 497                         gchar *pass;
 498
 499                         pass = input_dialog_query_password
 500                                 (pop3_state->ac_prefs->recv_server,
 501                                  pop3_state->user);
 502
 503                         if (inc_dialog->mainwin && inc_dialog->show_dialog)
 504                                 manage_window_focus_in
 505                                         (inc_dialog->mainwin->window,
 506                                          NULL, NULL);
 507                         if (pass) {
 508                                 pop3_state->ac_prefs->tmp_pass = g_strdup(pass);
 509                                 pop3_state->pass = pass;
 510                         } else {
 511                                 inc_session_destroy(session);
 512                                 inc_dialog->queue_list = g_list_remove
 513                                         (inc_dialog->queue_list, session);
 514                                 continue;
 515                         }
 516                 }
 517
 518                 gtk_clist_set_pixmap(clist, num, 0, currentxpm, currentxpmmask);
 519                 gtk_clist_set_text(clist, num, 2, _("Retrieving"));
 520
 521                 /* begin POP3 session */
 522                 inc_state = inc_pop3_session_do(session);
 523
 524                 switch (inc_state) {
 525                 case INC_SUCCESS:
 526                         if (pop3_state->cur_total_num > 0)
 527                                 msg = g_strdup_printf
 528                                         (_("Done (%d message(s) (%s) received)"),
 529                                          pop3_state->cur_total_num,
 530                                          to_human_readable(pop3_state->cur_total_recv_bytes));
 531                         else
 532                                 msg = g_strdup_printf(_("Done (no new messages)"));
 533                         gtk_clist_set_pixmap(clist, num, 0, okxpm, okxpmmask);
 534                         gtk_clist_set_text(clist, num, 2, msg);
 535                         g_free(msg);
 536                         break;
 537                 case INC_CONNECT_ERROR:
 538                         gtk_clist_set_pixmap(clist, num, 0, errorxpm, errorxpmmask);
 539                         gtk_clist_set_text(clist, num, 2, _("Connection failed"));
 540                         break;
 541                 case INC_AUTH_FAILED:
 542                         gtk_clist_set_pixmap(clist, num, 0, errorxpm, errorxpmmask);
 543                         gtk_clist_set_text(clist, num, 2, _("Auth failed"));
 544                         break;
 545                 case INC_LOCKED:
 546                         gtk_clist_set_pixmap(clist, num, 0, errorxpm, errorxpmmask);
 547                         gtk_clist_set_text(clist, num, 2, _("Locked"));
 548                         break;
 549                 case INC_ERROR:
 550                 case INC_NOSPACE:
 551                 case INC_SOCKET_ERROR:
 552                         gtk_clist_set_pixmap(clist, num, 0, errorxpm, errorxpmmask);
 553                         gtk_clist_set_text(clist, num, 2, _("Error"));
 554                         break;
 555                 case INC_CANCEL:
 556                         gtk_clist_set_pixmap(clist, num, 0, okxpm, okxpmmask);
 557                         gtk_clist_set_text(clist, num, 2, _("Cancelled"));
 558                         break;
 559                 default:
 560                         break;
 561                 }
 562
 563                 if (pop3_state->error_val == PS_AUTHFAIL) {
 564                         if(!prefs_common.no_recv_err_panel) {
 565                                 if((prefs_common.recv_dialog_mode == RECV_DIALOG_ALWAYS) ||
 566                                     ((prefs_common.recv_dialog_mode == RECV_DIALOG_ACTIVE) && focus_window)) {
 567                                         manage_window_focus_in(inc_dialog->dialog->window, NULL, NULL);
 568                                 }
 569                                 alertpanel_error
 570                                         (_("Authorization for %s on %s failed"),
 571                                          pop3_state->user,
 572                                          pop3_state->ac_prefs->recv_server);
 573                         }
 574                 }
 575
 576                 statusbar_pop_all();
 577
 578                 /* CLAWS: perform filtering actions on dropped message */
 579                 if (global_processing != NULL) {
 580                         FolderItem *processing, *inbox;
 581                         MsgInfo *msginfo;
 582                         GSList *msglist, *msglist_element;
 583
 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(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
 614                 new_msgs += pop3_state->cur_total_num;
 615
 616                 if (!prefs_common.scan_all_after_inc) {
 617                         folderview_update_items_when_required
 618                                  (!prefs_common.open_inbox_on_inc);
 619                 }
 620
 621                 if (pop3_state->error_val == PS_AUTHFAIL &&
 622                     pop3_state->ac_prefs->tmp_pass) {
 623                         g_free(pop3_state->ac_prefs->tmp_pass);
 624                         pop3_state->ac_prefs->tmp_pass = NULL;
 625                 }
 626
 627                 pop3_write_uidl_list(pop3_state);
 628
 629                 if (inc_state != INC_SUCCESS && inc_state != INC_CANCEL) {
 630                         error_num++;
 631                         if (inc_state == INC_NOSPACE || inc_state == INC_SOCKET_ERROR) {
 632                                 inc_put_error(inc_state);
 633                                 break;
 634                         }
 635                 }
 636
 637                 inc_session_destroy(session);
 638                 inc_dialog->queue_list =
 639                         g_list_remove(inc_dialog->queue_list, session);
 640
 641                 num++;
 642         }
 643
 644         if (new_msgs > 0)
 645                 fin_msg = g_strdup_printf(_("Finished (%d new message(s))"),
 646                                           new_msgs);
 647         else
 648                 fin_msg = g_strdup_printf(_("Finished (no new messages)"));
 649
 650         progress_dialog_set_label(inc_dialog->dialog, fin_msg);
 651
 652         if (error_num && !prefs_common.no_recv_err_panel) {
 653                 if (inc_dialog->show_dialog)
 654                         manage_window_focus_in(inc_dialog->dialog->window,
 655                                                NULL, NULL);
 656                 alertpanel_error(_("Some errors occurred while getting mail."));
 657                 if (inc_dialog->show_dialog)
 658                         manage_window_focus_out(inc_dialog->dialog->window,
 659                                                 NULL, NULL);
 660         }
 661
 662         while (inc_dialog->queue_list != NULL) {
 663                 session = inc_dialog->queue_list->data;
 664                 inc_session_destroy(session);
 665                 inc_dialog->queue_list =
 666                         g_list_remove(inc_dialog->queue_list, session);
 667         }
 668
 669         if (prefs_common.close_recv_dialog)
 670                 inc_progress_dialog_destroy(inc_dialog);
 671         else {
 672                 gtk_window_set_title(GTK_WINDOW(inc_dialog->dialog->window),
 673                                      fin_msg);
 674                 gtk_label_set_text(GTK_LABEL(GTK_BIN(inc_dialog->dialog->cancel_btn)->child),
 675                                    _("Close"));
 676         }
 677
 678         g_free(fin_msg);
 679
 680         return new_msgs;
 681 }
 682
 683 static IncState inc_pop3_session_do(IncSession *session)
 684 {
 685         Pop3State *pop3_state = session->pop3_state;
 686         IncProgressDialog *inc_dialog = (IncProgressDialog *)session->data;
 687         Automaton *atm;
 688         SockInfo *sockinfo;
 689         gint i;
 690         gchar *server;
 691         gushort port;
 692         gchar *buf;
 693         static AtmHandler handlers[] = {
 694                 pop3_greeting_recv      ,
 695 #if USE_SSL
 696                 pop3_stls_send          , pop3_stls_recv,
 697 #endif
 698                 pop3_getauth_user_send  , pop3_getauth_user_recv,
 699                 pop3_getauth_pass_send  , pop3_getauth_pass_recv,
 700                 pop3_getauth_apop_send  , pop3_getauth_apop_recv,
 701                 pop3_getrange_stat_send , pop3_getrange_stat_recv,
 702                 pop3_getrange_last_send , pop3_getrange_last_recv,
 703                 pop3_getrange_uidl_send , pop3_getrange_uidl_recv,
 704                 pop3_getsize_list_send  , pop3_getsize_list_recv,
 705                 pop3_top_send           , pop3_top_recv,
 706                 pop3_retr_send          , pop3_retr_recv,
 707                 pop3_delete_send        , pop3_delete_recv,
 708                 pop3_logout_send        , pop3_logout_recv
 709         };
 710
 711         debug_print("getting new messages of account %s...\n",
 712                     pop3_state->ac_prefs->account_name);
 713
 714         pop3_state->ac_prefs->last_pop_login_time = time(NULL);
 715         atm = automaton_create(N_POP3_PHASE);
 716
 717         session->atm = atm;
 718         atm->data = pop3_state;
 719
 720         buf = g_strdup_printf(_("%s: Retrieving new messages"),
 721                               pop3_state->ac_prefs->recv_server);
 722         gtk_window_set_title(GTK_WINDOW(inc_dialog->dialog->window), buf);
 723         g_free(buf);
 724
 725         for (i = POP3_GREETING_RECV; i < N_POP3_PHASE; i++)
 726                 atm->state[i].handler = handlers[i];
 727         atm->state[POP3_GREETING_RECV].condition = GDK_INPUT_READ;
 728         for (i = POP3_GREETING_RECV + 1; i < N_POP3_PHASE; ) {
 729                 atm->state[i++].condition = GDK_INPUT_WRITE;
 730                 atm->state[i++].condition = GDK_INPUT_READ;
 731         }
 732
 733         atm->terminate = (AtmHandler)pop3_automaton_terminate;
 734         atm->ui_func = (AtmUIFunc)inc_progress_update;
 735
 736         atm->num = POP3_GREETING_RECV;
 737
 738         server = pop3_state->ac_prefs->recv_server;
 739 #if USE_SSL
 740         port = pop3_state->ac_prefs->set_popport ?
 741                 pop3_state->ac_prefs->popport :
 742                 pop3_state->ac_prefs->ssl_pop == SSL_TUNNEL ? 995 : 110;
 743 #else
 744         port = pop3_state->ac_prefs->set_popport ?
 745                 pop3_state->ac_prefs->popport : 110;
 746 #endif
 747
 748         buf = g_strdup_printf(_("Connecting to POP3 server: %s ..."), server);
 749         log_message("%s\n", buf);
 750         progress_dialog_set_label(inc_dialog->dialog, buf);
 751         g_free(buf);
 752         GTK_EVENTS_FLUSH();
 753         statusbar_pop_all();
 754
 755         if ((sockinfo = sock_connect(server, port)) == NULL) {
 756                 log_warning(_("Can't connect to POP3 server: %s:%d\n"),
 757                             server, port);
 758                 if(!prefs_common.no_recv_err_panel) {
 759                         if((prefs_common.recv_dialog_mode == RECV_DIALOG_ALWAYS) ||
 760                             ((prefs_common.recv_dialog_mode == RECV_DIALOG_ACTIVE) && focus_window)) {
 761                                 manage_window_focus_in(inc_dialog->dialog->window, NULL, NULL);
 762                         }
 763                         alertpanel_error(_("Can't connect to POP3 server: %s:%d"),
 764                                          server, port);
 765                         manage_window_focus_out(inc_dialog->dialog->window, NULL, NULL);
 766                 }
 767                 pop3_automaton_terminate(NULL, atm);
 768                 automaton_destroy(atm);
 769                 session->inc_state = INC_CONNECT_ERROR;
 770                 return INC_CONNECT_ERROR;
 771         }
 772
 773 #if USE_SSL
 774         if (pop3_state->ac_prefs->ssl_pop == SSL_TUNNEL &&
 775             !ssl_init_socket(sockinfo)) {
 776                 pop3_automaton_terminate(sockinfo, atm);
 777                 automaton_destroy(atm);
 778                 session->inc_state = INC_CONNECT_ERROR;
 779                 return INC_CONNECT_ERROR;
 780         }
 781 #endif
 782
 783         /* :WK: Hmmm, with the later sock_gdk_input, we have 2 references
 784          * to the sock structure - implement a reference counter?? */
 785         pop3_state->sockinfo = sockinfo;
 786         atm->help_sock = sockinfo;
 787
 788         log_verbosity_set(TRUE);
 789         /* oha: this messes up inc_progress update:
 790            disabling this would avoid the label "Retrieve Header"
 791            being overwritten by "Retrieve Message"
 792            Setting inc_pop3_recv_func is not necessary
 793            since atm already handles the progress dialog ui
 794            just fine.
 795         */
 796         recv_set_ui_func(inc_pop3_recv_func, session);
 797
 798         atm->tag = sock_gdk_input_add(sockinfo,
 799                                       atm->state[atm->num].condition,
 800                                       automaton_input_cb, atm);
 801
 802         while (!atm->terminated && !atm->cancelled)
 803                 gtk_main_iteration();
 804
 805         if (!atm->terminated)
 806                 pop3_automaton_terminate(sockinfo, atm);
 807
 808         log_verbosity_set(FALSE);
 809         /* oha: see above */
 810         recv_set_ui_func(NULL, NULL);
 811
 812         automaton_destroy(atm);
 813
 814         if (session->inc_state != INC_SUCCESS)
 815                 return session->inc_state;
 816
 817         switch (pop3_state->error_val) {
 818         case PS_SUCCESS:
 819                 session->inc_state = INC_SUCCESS;
 820                 break;
 821         case PS_AUTHFAIL:
 822                 session->inc_state = INC_AUTH_FAILED;
 823                 break;
 824         case PS_IOERR:
 825                 session->inc_state = INC_NOSPACE;
 826                 break;
 827         case PS_SOCKET:
 828                 session->inc_state = INC_SOCKET_ERROR;
 829                 break;
 830         case PS_LOCKBUSY:
 831                 session->inc_state = INC_LOCKED;
 832                 break;
 833         default:
 834                 session->inc_state = INC_ERROR;
 835                 break;
 836         }
 837
 838         return session->inc_state;
 839 }
 840
 841 static gint pop3_automaton_terminate(SockInfo *source, Automaton *atm)
 842 {
 843         if (atm->terminated) return 0;
 844
 845         if (atm->tag > 0) {
 846                 gdk_input_remove(atm->tag);
 847                 atm->tag = 0;
 848         }
 849         if (atm->timeout_tag > 0) {
 850                 gtk_timeout_remove(atm->timeout_tag);
 851                 atm->timeout_tag = 0;
 852         }
 853         if (source)
 854                 sock_close(source);
 855
 856         atm->terminated = TRUE;
 857
 858         return 0;
 859 }
 860
 861 static gboolean inc_pop3_recv_func(SockInfo *sock, gint count, gint read_bytes,
 862                                    gpointer data)
 863 {
 864         gchar buf[MSGBUFSIZE];
 865         IncSession *session = (IncSession *)data;
 866         Pop3State *state = session->pop3_state;
 867         IncProgressDialog *inc_dialog = (IncProgressDialog *)session->data;
 868         ProgressDialog *dialog = inc_dialog->dialog;
 869         gint cur_total;
 870         gchar *total_size;
 871
 872         cur_total = state->cur_total_bytes + read_bytes;
 873         if (cur_total > state->total_bytes)
 874                 cur_total = state->total_bytes;
 875
 876         Xstrdup_a(total_size, to_human_readable(state->total_bytes),
 877                   return FALSE);
 878         g_snprintf(buf, sizeof(buf),
 879                    _("Retrieving message (%d / %d) (%s / %s)"),
 880                    state->cur_msg, state->count,
 881                    to_human_readable(cur_total), total_size);
 882         progress_dialog_set_label(dialog, buf);
 883
 884         progress_dialog_set_percentage
 885                 (dialog, (gfloat)cur_total / (gfloat)state->total_bytes);
 886         if (inc_dialog->mainwin)
 887                 gtk_progress_bar_update
 888                         (GTK_PROGRESS_BAR(inc_dialog->mainwin->progressbar),
 889                          (gfloat)cur_total / (gfloat)state->total_bytes);
 890         GTK_EVENTS_FLUSH();
 891
 892         if (session->inc_state == INC_CANCEL)
 893                 return FALSE;
 894         else
 895                 return TRUE;
 896 }
 897
 898 void inc_progress_update(Pop3State *state, Pop3Phase phase)
 899 {
 900         gchar buf[MSGBUFSIZE];
 901         IncSession *session = (IncSession *)state->data;
 902         IncProgressDialog *inc_dialog = (IncProgressDialog *)session->data;
 903         ProgressDialog *dialog = inc_dialog->dialog;
 904         gchar *total_size;
 905
 906         switch (phase) {
 907         case POP3_GREETING_RECV:
 908                 break;
 909         case POP3_GETAUTH_USER_SEND:
 910         case POP3_GETAUTH_PASS_SEND:
 911         case POP3_GETAUTH_APOP_SEND:
 912                 progress_dialog_set_label(dialog, _("Authenticating..."));
 913                 break;
 914         case POP3_GETRANGE_STAT_SEND:
 915                 progress_dialog_set_label
 916                         (dialog, _("Getting the number of new messages (STAT)..."));
 917                 break;
 918         case POP3_GETRANGE_LAST_SEND:
 919                 progress_dialog_set_label
 920                         (dialog, _("Getting the number of new messages (LAST)..."));
 921                 break;
 922         case POP3_GETRANGE_UIDL_SEND:
 923                 progress_dialog_set_label
 924                         (dialog, _("Getting the number of new messages (UIDL)..."));
 925                 break;
 926         case POP3_GETSIZE_LIST_SEND:
 927                 progress_dialog_set_label
 928                         (dialog, _("Getting the size of messages (LIST)..."));
 929                 break;
 930         case POP3_TOP_SEND:
 931                 g_snprintf(buf, sizeof(buf),
 932                            _("Retrieving header (%d / %d)"),
 933                            state->cur_msg, state->count);
 934                 progress_dialog_set_label (dialog, buf);
 935                 progress_dialog_set_percentage
 936                         (dialog,
 937                          (gfloat)(state->cur_msg) /
 938                          (gfloat)(state->count));
 939                 if (inc_dialog->mainwin)
 940                         gtk_progress_bar_update
 941                                 (GTK_PROGRESS_BAR(inc_dialog->mainwin->progressbar),
 942                                  (gfloat)(state->cur_msg) /
 943                                  (gfloat)(state->count));
 944                 break;
 945         case POP3_RETR_SEND:
 946                 Xstrdup_a(total_size, to_human_readable(state->total_bytes), return);
 947                 g_snprintf(buf, sizeof(buf),
 948                            _("Retrieving message (%d / %d) (%s / %s)"),
 949                            state->cur_msg, state->count,
 950                            to_human_readable(state->cur_total_bytes),
 951                            total_size);
 952                 progress_dialog_set_label(dialog, buf);
 953                 progress_dialog_set_percentage
 954                         (dialog,
 955                          (gfloat)(state->cur_total_bytes) /
 956                          (gfloat)(state->total_bytes));
 957                 if (inc_dialog->mainwin)
 958                         gtk_progress_bar_update
 959                                 (GTK_PROGRESS_BAR(inc_dialog->mainwin->progressbar),
 960                                  (gfloat)(state->cur_total_bytes) /
 961                                  (gfloat)(state->total_bytes));
 962                 break;
 963         case POP3_DELETE_SEND:
 964                 if (state->msg[state->cur_msg].recv_time < state->current_time) {
 965                         g_snprintf(buf, sizeof(buf), _("Deleting message %d"),
 966                                    state->cur_msg);
 967                         progress_dialog_set_label(dialog, buf);
 968                 }
 969                 break;
 970         case POP3_LOGOUT_SEND:
 971                 progress_dialog_set_label(dialog, _("Quitting"));
 972                 break;
 973         default:
 974                 break;
 975         }
 976 }
 977
 978 gint inc_drop_message(const gchar *file, Pop3State *state)
 979 {
 980         FolderItem *inbox;
 981         FolderItem *dropfolder;
 982         gint msgnum;
 983
 984         /* CLAWS: get default inbox (perhaps per account) */
 985         if (state->ac_prefs->inbox) {
 986                 /* CLAWS: get destination folder / mailbox */
 987                 inbox = folder_find_item_from_identifier
 988                         (state->ac_prefs->inbox);
 989                 if (!inbox)
 990                         inbox = folder_get_default_inbox();
 991         } else
 992                 inbox = folder_get_default_inbox();
 993         if (!inbox) {
 994                 unlink(file);
 995                 return -1;
 996         }
 997
 998         /* CLAWS: claws uses a global .processing folder for the filtering. */
 999         dropfolder = folder_get_default_processing();
1000
1001         /* add msg file to drop folder */
1002         if ((msgnum = folder_item_add_msg(dropfolder, file, TRUE)) < 0) {
1003                 unlink(file);
1004                 return -1;
1005         }
1006
1007         return 0;
1008 }
1009
1010 static void inc_put_error(IncState istate)
1011 {
1012         switch (istate) {
1013         case INC_ERROR:
1014                 if (!prefs_common.no_recv_err_panel)
1015                         alertpanel_error
1016                                 (_("Error occurred while processing mail."));
1017                 break;
1018         case INC_NOSPACE:
1019                 alertpanel_error(_("No disk space left."));
1020                 break;
1021         case INC_SOCKET_ERROR:
1022                 alertpanel_error(_("Socket error."));
1023                 break;
1024         case INC_LOCKED:
1025                 if (!prefs_common.no_recv_err_panel)
1026                         alertpanel_error(_("Mailbox is locked."));
1027                 break;
1028         default:
1029                 break;
1030         }
1031 }
1032
1033 static void inc_cancel(IncProgressDialog *dialog)
1034 {
1035         IncSession *session;
1036         SockInfo *sockinfo;
1037
1038         g_return_if_fail(dialog != NULL);
1039
1040         if (dialog->queue_list == NULL) {
1041                 inc_progress_dialog_destroy(dialog);
1042                 return;
1043         }
1044
1045         session = dialog->queue_list->data;
1046         sockinfo = session->pop3_state->sockinfo;
1047
1048         if (!sockinfo || session->atm->terminated == TRUE) return;
1049
1050         session->pop3_state->cancelled = TRUE;
1051         session->inc_state = INC_CANCEL;
1052         session->atm->cancelled = TRUE;
1053
1054         log_message(_("Incorporation cancelled\n"));
1055 }
1056
1057 gboolean inc_is_active(void)
1058 {
1059         return (inc_dialog_list != NULL);
1060 }
1061
1062 void inc_cancel_all(void)
1063 {
1064         GList *cur;
1065
1066         for (cur = inc_dialog_list; cur != NULL; cur = cur->next)
1067                 inc_cancel((IncProgressDialog *)cur->data);
1068 }
1069
1070 static void inc_cancel_cb(GtkWidget *widget, gpointer data)
1071 {
1072         inc_cancel((IncProgressDialog *)data);
1073 }
1074
1075 static gint inc_dialog_delete_cb(GtkWidget *widget, GdkEventAny *event,
1076                                  gpointer data)
1077 {
1078         IncProgressDialog *dialog = (IncProgressDialog *)data;
1079
1080         if (dialog->queue_list == NULL)
1081                 inc_progress_dialog_destroy(dialog);
1082
1083         return TRUE;
1084 }
1085
1086 static gint inc_spool(void)
1087 {
1088         gchar *mbox, *logname;
1089         gint msgs;
1090
1091         logname = g_get_user_name();
1092         mbox = g_strconcat(prefs_common.spool_path
1093                            ? prefs_common.spool_path : DEFAULT_SPOOL_PATH,
1094                            G_DIR_SEPARATOR_S, logname, NULL);
1095         msgs = get_spool(folder_get_default_inbox(), mbox);
1096         g_free(mbox);
1097
1098         return msgs;
1099 }
1100
1101 static void inc_spool_account(PrefsAccount *account)
1102 {
1103         FolderItem *inbox;
1104
1105         if (account->inbox) {
1106                 inbox = folder_find_item_from_path(account->inbox);
1107                 if (!inbox)
1108                         inbox = folder_get_default_inbox();
1109         } else
1110                 inbox = folder_get_default_inbox();
1111
1112         get_spool(inbox, account->local_mbox);
1113 }
1114
1115 static void inc_all_spool(void)
1116 {
1117         GList *list = NULL;
1118
1119         list = account_get_list();
1120         if (!list) return;
1121
1122         for (; list != NULL; list = list->next) {
1123                 PrefsAccount *account = list->data;
1124
1125                 if ((account->protocol == A_LOCAL) &&
1126                     (account->recv_at_getall))
1127                         inc_spool_account(account);
1128         }
1129 }
1130
1131 static gint get_spool(FolderItem *dest, const gchar *mbox)
1132 {
1133         gint msgs, size;
1134         gint lockfd;
1135         gchar tmp_mbox[MAXPATHLEN + 1];
1136
1137         g_return_val_if_fail(dest != NULL, -1);
1138         g_return_val_if_fail(mbox != NULL, -1);
1139
1140         if (!is_file_exist(mbox) || (size = get_file_size(mbox)) == 0) {
1141                 debug_print("no messages in local mailbox.\n");
1142                 return 0;
1143         } else if (size < 0)
1144                 return -1;
1145
1146         if ((lockfd = lock_mbox(mbox, LOCK_FLOCK)) < 0)
1147                 return -1;
1148
1149         g_snprintf(tmp_mbox, sizeof(tmp_mbox), "%s%ctmpmbox.%08x",
1150                    get_tmp_dir(), G_DIR_SEPARATOR, (gint)mbox);
1151
1152         if (copy_mbox(mbox, tmp_mbox) < 0) {
1153                 unlock_mbox(mbox, lockfd, LOCK_FLOCK);
1154                 return -1;
1155         }
1156
1157         debug_print("Getting new messages from %s into %s...\n",
1158                     mbox, dest->path);
1159
1160         msgs = proc_mbox(dest, tmp_mbox);
1161
1162         unlink(tmp_mbox);
1163         if (msgs >= 0) empty_mbox(mbox);
1164         unlock_mbox(mbox, lockfd, LOCK_FLOCK);
1165
1166         if (!prefs_common.scan_all_after_inc) {
1167                 folderview_update_items_when_required
1168                         (!prefs_common.open_inbox_on_inc);
1169         } else if (!prefs_common.scan_all_after_inc) {
1170                 folderview_update_item(dest, TRUE);
1171         }
1172
1173         return msgs;
1174 }
1175
1176 void inc_lock(void)
1177 {
1178         inc_lock_count++;
1179 }
1180
1181 void inc_unlock(void)
1182 {
1183         if (inc_lock_count > 0)
1184                 inc_lock_count--;
1185 }
1186
1187 static guint autocheck_timer = 0;
1188 static gpointer autocheck_data = NULL;
1189
1190 static void inc_notify_cmd(gint new_msgs, gboolean notify)
1191 {
1192
1193         gchar *buf;
1194
1195         if (!(new_msgs && notify && prefs_common.newmail_notify_cmd &&
1196             *prefs_common.newmail_notify_cmd))
1197                      return;
1198         if ((buf = strchr(prefs_common.newmail_notify_cmd, '%')) &&
1199                 buf[1] == 'd' && !strchr(&buf[1], '%'))
1200                 buf = g_strdup_printf(prefs_common.newmail_notify_cmd,
1201                                       new_msgs);
1202         else
1203                 buf = g_strdup(prefs_common.newmail_notify_cmd);
1204
1205         execute_command_line(buf, TRUE);
1206
1207         g_free(buf);
1208 }
1209
1210 void inc_autocheck_timer_init(MainWindow *mainwin)
1211 {
1212         autocheck_data = mainwin;
1213         inc_autocheck_timer_set();
1214 }
1215
1216 static void inc_autocheck_timer_set_interval(guint interval)
1217 {
1218         inc_autocheck_timer_remove();
1219         /* last test is to avoid re-enabling auto_check after modifying
1220            the common preferences */
1221         if (prefs_common.autochk_newmail && autocheck_data
1222             && prefs_common.work_offline == FALSE) {
1223                 autocheck_timer = gtk_timeout_add
1224                         (interval, inc_autocheck_func, autocheck_data);
1225                 debug_print("added timer = %d\n", autocheck_timer);
1226         }
1227 }
1228
1229 void inc_autocheck_timer_set(void)
1230 {
1231         inc_autocheck_timer_set_interval(prefs_common.autochk_itv * 60000);
1232 }
1233
1234 void inc_autocheck_timer_remove(void)
1235 {
1236         if (autocheck_timer) {
1237                 debug_print("removed timer = %d\n", autocheck_timer);
1238                 gtk_timeout_remove(autocheck_timer);
1239                 autocheck_timer = 0;
1240         }
1241 }
1242
1243 static gint inc_autocheck_func(gpointer data)
1244 {
1245         MainWindow *mainwin = (MainWindow *)data;
1246
1247         if (inc_lock_count) {
1248                 debug_print("autocheck is locked.\n");
1249                 inc_autocheck_timer_set_interval(1000);
1250                 return FALSE;
1251         }
1252
1253         inc_all_account_mail(mainwin, prefs_common.newmail_notify_auto);
1254
1255         return FALSE;
1256 }