src/inc.c

   1 /*
   2  * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
   3  * Copyright (C) 1999-2001 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 <sys/types.h>
  35 #include <sys/stat.h>
  36 #include <sys/wait.h>
  37 #include <signal.h>
  38 #include <errno.h>
  39
  40 #include "intl.h"
  41 #include "main.h"
  42 #include "inc.h"
  43 #include "mainwindow.h"
  44 #include "folderview.h"
  45 #include "summaryview.h"
  46 #include "prefs_common.h"
  47 #include "prefs_account.h"
  48 #include "account.h"
  49 #include "procmsg.h"
  50 #include "socket.h"
  51 #include "ssl.h"
  52 #include "pop.h"
  53 #include "recv.h"
  54 #include "mbox.h"
  55 #include "utils.h"
  56 #include "gtkutils.h"
  57 #include "statusbar.h"
  58 #include "manage_window.h"
  59 #include "progressdialog.h"
  60 #include "inputdialog.h"
  61 #include "alertpanel.h"
  62 #include "filter.h"
  63 #include "automaton.h"
  64 #include "folder.h"
  65 #include "filtering.h"
  66
  67 #include "pixmaps/continue.xpm"
  68 #include "pixmaps/complete.xpm"
  69 #include "pixmaps/error.xpm"
  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 Pop3State *inc_pop3_state_new    (PrefsAccount           *account);
  93 static void inc_pop3_state_destroy      (Pop3State              *state);
  94 static gint inc_start                   (IncProgressDialog      *inc_dialog);
  95 static IncState inc_pop3_session_do     (IncSession             *session);
  96 static gint pop3_automaton_terminate    (SockInfo               *source,
  97                                          Automaton              *atm);
  98
  99 static GHashTable *inc_get_uidl_table   (PrefsAccount           *ac_prefs);
 100 static void inc_write_uidl_list         (Pop3State              *state);
 101
 102 #if USE_THREADS
 103 static gint connection_check_cb         (Automaton      *atm);
 104 #endif
 105
 106 static void inc_pop3_recv_func          (SockInfo       *sock,
 107                                          gint            count,
 108                                          gint            read_bytes,
 109                                          gpointer        data);
 110
 111 static void inc_put_error               (IncState        istate);
 112
 113 static void inc_cancel                  (GtkWidget      *widget,
 114                                          gpointer        data);
 115
 116 static gint inc_spool                   (void);
 117 static gint get_spool                   (FolderItem     *dest,
 118                                          const gchar    *mbox);
 119
 120 static void inc_all_spool(void);
 121 static void inc_autocheck_timer_set_interval    (guint           interval);
 122 static gint inc_autocheck_func                  (gpointer        data);
 123
 124 /**
 125  * inc_finished:
 126  * @mainwin: Main window.
 127  * @new_messages: TRUE if some messages have been received.
 128  *
 129  * Update the folder view and the summary view after receiving
 130  * messages.  If @new_messages is FALSE, this function avoids unneeded
 131  * updating.
 132  **/
 133 static void inc_finished(MainWindow *mainwin, gboolean new_messages)
 134 {
 135         FolderItem *item;
 136
 137         if (prefs_common.scan_all_after_inc)
 138                 folderview_update_all_node();
 139         /* XXX: major problems right here. if we change marks after
 140          * incorporation of mail, folderview_select() rewrites it
 141          * right under our nose. folderview_select() eventually
 142          * calls summary_show(), which rewrites the cache twice:
 143          * one for the previously selected FolderItem*, and one
 144          * for the newly selected FolderItem*
 145          *
 146          * since filtering also allows changing mark files,
 147          * i've solved this by using a global variable (in
 148          * SummmaryView*). a better solution is to use the folder
 149          * hash table, and see whether the newly and currently
 150          * selected FolderItem* where updated by the filtering. */
 151
 152         mainwin->summaryview->filtering_happened = TRUE;
 153
 154         /* XXX: filtering_happened is reset by summary_show() */
 155
 156         if (!new_messages && !prefs_common.scan_all_after_inc) return;
 157
 158         if (prefs_common.open_inbox_on_inc) {
 159                 item = cur_account && cur_account->inbox
 160                         ? folder_find_item_from_path(cur_account->inbox)
 161                         : folder_get_default_inbox();
 162                 folderview_unselect(mainwin->folderview);
 163                 folderview_select(mainwin->folderview, item);
 164         } else {
 165                 item = mainwin->summaryview->folder_item;
 166                 folderview_unselect(mainwin->folderview);
 167                 folderview_select(mainwin->folderview, item);
 168         }
 169 }
 170
 171 void inc_mail(MainWindow *mainwin)
 172 {
 173         gint new_msgs = 0;
 174
 175         if (inc_lock_count) return;
 176
 177         inc_autocheck_timer_remove();
 178         summary_write_cache(mainwin->summaryview);
 179         main_window_lock(mainwin);
 180
 181         if (prefs_common.use_extinc && prefs_common.extinc_cmd) {
 182                 /* external incorporating program */
 183                 if (execute_command_line(prefs_common.extinc_cmd, FALSE) < 0) {
 184                         main_window_unlock(mainwin);
 185                         inc_autocheck_timer_set();
 186                         return;
 187                 }
 188
 189                 if (prefs_common.inc_local)
 190                         new_msgs = inc_spool();
 191         } else {
 192                 if (prefs_common.inc_local)
 193                         new_msgs = inc_spool();
 194
 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_autocheck_timer_set();
 201 }
 202
 203 static gint inc_account_mail(PrefsAccount *account, MainWindow *mainwin)
 204 {
 205         IncProgressDialog *inc_dialog;
 206         IncSession *session;
 207         gchar *text[3];
 208
 209         session = inc_session_new(account);
 210         if (!session) return 0;
 211
 212         inc_dialog = inc_progress_dialog_create();
 213         inc_dialog->queue_list = g_list_append(inc_dialog->queue_list, session);
 214         inc_dialog->mainwin = mainwin;
 215         session->data = inc_dialog;
 216
 217         text[0] = NULL;
 218         text[1] = account->account_name;
 219         text[2] = _("Standby");
 220         gtk_clist_append(GTK_CLIST(inc_dialog->dialog->clist), text);
 221
 222         return inc_start(inc_dialog);
 223 }
 224
 225 void inc_all_account_mail(MainWindow *mainwin)
 226 {
 227         GList *list, *queue_list = NULL;
 228         IncProgressDialog *inc_dialog;
 229         gint new_msgs = 0;
 230
 231         if (inc_lock_count) return;
 232
 233         inc_autocheck_timer_remove();
 234         summary_write_cache(mainwin->summaryview);
 235         main_window_lock(mainwin);
 236
 237         if (prefs_common.inc_local)
 238                 new_msgs = inc_spool();
 239
 240         list = account_get_list();
 241         if (!list) {
 242                 inc_finished(mainwin, new_msgs > 0);
 243                 main_window_unlock(mainwin);
 244                 inc_autocheck_timer_set();
 245                 return;
 246         }
 247
 248         for (; list != NULL; list = list->next) {
 249                 IncSession *session;
 250                 PrefsAccount *account = list->data;
 251
 252                 if (account->recv_at_getall) {
 253                         session = inc_session_new(account);
 254                         if (session)
 255                                 queue_list = g_list_append(queue_list, session);
 256                 }
 257         }
 258
 259         if (!queue_list) {
 260                 inc_finished(mainwin, new_msgs > 0);
 261                 main_window_unlock(mainwin);
 262                 inc_autocheck_timer_set();
 263                 return;
 264         }
 265
 266         inc_dialog = inc_progress_dialog_create();
 267         inc_dialog->queue_list = queue_list;
 268         inc_dialog->mainwin = mainwin;
 269         for (list = queue_list; list != NULL; list = list->next) {
 270                 IncSession *session = list->data;
 271                 gchar *text[3];
 272
 273                 session->data = inc_dialog;
 274
 275                 text[0] = NULL;
 276                 text[1] = session->pop3_state->ac_prefs->account_name;
 277                 text[2] = _("Standby");
 278                 gtk_clist_append(GTK_CLIST(inc_dialog->dialog->clist), text);
 279         }
 280
 281         new_msgs += inc_start(inc_dialog);
 282
 283         inc_finished(mainwin, new_msgs > 0);
 284         main_window_unlock(mainwin);
 285         inc_autocheck_timer_set();
 286 }
 287
 288 static IncProgressDialog *inc_progress_dialog_create(void)
 289 {
 290         IncProgressDialog *dialog;
 291         ProgressDialog *progress;
 292
 293         dialog = g_new0(IncProgressDialog, 1);
 294
 295         progress = progress_dialog_create();
 296         gtk_window_set_title(GTK_WINDOW(progress->window),
 297                              _("Retrieving new messages"));
 298         gtk_signal_connect(GTK_OBJECT(progress->cancel_btn), "clicked",
 299                            GTK_SIGNAL_FUNC(inc_cancel), dialog);
 300         gtk_signal_connect(GTK_OBJECT(progress->window), "delete_event",
 301                            GTK_SIGNAL_FUNC(gtk_true), NULL);
 302         /* manage_window_set_transient(GTK_WINDOW(progress->window)); */
 303
 304         progress_dialog_set_value(progress, 0.0);
 305
 306         PIXMAP_CREATE(progress->clist, okxpm, okxpmmask, complete_xpm);
 307         PIXMAP_CREATE(progress->clist,
 308                       currentxpm, currentxpmmask, continue_xpm);
 309         PIXMAP_CREATE(progress->clist, errorxpm, errorxpmmask, error_xpm);
 310
 311         if (prefs_common.recv_dialog_mode == RECV_DIALOG_ALWAYS ||
 312             (prefs_common.recv_dialog_mode == RECV_DIALOG_ACTIVE &&
 313              manage_window_get_focus_window())) {
 314                 dialog->show_dialog = TRUE;
 315                 gtk_widget_show_now(progress->window);
 316         }
 317
 318         dialog->dialog = progress;
 319         dialog->queue_list = NULL;
 320
 321         return dialog;
 322 }
 323
 324 static void inc_progress_dialog_clear(IncProgressDialog *inc_dialog)
 325 {
 326         progress_dialog_set_value(inc_dialog->dialog, 0.0);
 327         progress_dialog_set_label(inc_dialog->dialog, "");
 328         gtk_progress_bar_update
 329                 (GTK_PROGRESS_BAR(inc_dialog->mainwin->progressbar), 0.0);
 330 }
 331
 332 static void inc_progress_dialog_destroy(IncProgressDialog *inc_dialog)
 333 {
 334         g_return_if_fail(inc_dialog != NULL);
 335
 336         gtk_progress_bar_update
 337                 (GTK_PROGRESS_BAR(inc_dialog->mainwin->progressbar), 0.0);
 338         progress_dialog_destroy(inc_dialog->dialog);
 339
 340         g_free(inc_dialog);
 341 }
 342
 343 static IncSession *inc_session_new(PrefsAccount *account)
 344 {
 345         IncSession *session;
 346
 347         g_return_val_if_fail(account != NULL, NULL);
 348
 349         if (account->protocol != A_POP3 && account->protocol != A_APOP)
 350                 return NULL;
 351         if (!account->recv_server || !account->userid)
 352                 return NULL;
 353
 354         session = g_new0(IncSession, 1);
 355         session->pop3_state = inc_pop3_state_new(account);
 356         session->pop3_state->session = session;
 357
 358         return session;
 359 }
 360
 361 static void inc_session_destroy(IncSession *session)
 362 {
 363         g_return_if_fail(session != NULL);
 364
 365         inc_pop3_state_destroy(session->pop3_state);
 366         g_free(session);
 367 }
 368
 369 static Pop3State *inc_pop3_state_new(PrefsAccount *account)
 370 {
 371         Pop3State *state;
 372
 373         state = g_new0(Pop3State, 1);
 374
 375         state->ac_prefs = account;
 376         state->folder_table = g_hash_table_new(NULL, NULL);
 377         state->id_table = inc_get_uidl_table(account);
 378         state->id_list = NULL;
 379         state->new_id_list = NULL;
 380         state->inc_state = INC_SUCCESS;
 381
 382         return state;
 383 }
 384
 385 static void inc_pop3_state_destroy(Pop3State *state)
 386 {
 387         g_hash_table_destroy(state->folder_table);
 388         g_free(state->sizes);
 389
 390         if (state->id_table) {
 391                 hash_free_strings(state->id_table);
 392                 g_hash_table_destroy(state->id_table);
 393         }
 394         slist_free_strings(state->id_list);
 395         slist_free_strings(state->new_id_list);
 396         g_slist_free(state->id_list);
 397         g_slist_free(state->new_id_list);
 398
 399         g_free(state->greeting);
 400         g_free(state->user);
 401         g_free(state->pass);
 402         g_free(state->prev_folder);
 403
 404         g_free(state);
 405 }
 406
 407 static gint inc_start(IncProgressDialog *inc_dialog)
 408 {
 409         IncSession *session;
 410         GtkCList *clist = GTK_CLIST(inc_dialog->dialog->clist);
 411         Pop3State *pop3_state;
 412         IncState inc_state;
 413         gint num = 0;
 414         gint error_num = 0;
 415         gint new_msgs = 0;
 416
 417         /* gtk_label_set_text(GTK_LABEL(inc_dialog->mainwin->statuslabel),
 418                            _("Receiving"));  */
 419
 420         while (inc_dialog->queue_list != NULL) {
 421                 session = inc_dialog->queue_list->data;
 422                 pop3_state = session->pop3_state;
 423
 424                 inc_progress_dialog_clear(inc_dialog);
 425
 426                 gtk_clist_moveto(clist, num, -1, 1.0, 0.0);
 427
 428                 pop3_state->user = g_strdup(pop3_state->ac_prefs->userid);
 429                 if (pop3_state->ac_prefs->passwd)
 430                         pop3_state->pass =
 431                                 g_strdup(pop3_state->ac_prefs->passwd);
 432                 else if (pop3_state->ac_prefs->tmp_pass)
 433                         pop3_state->pass =
 434                                 g_strdup(pop3_state->ac_prefs->tmp_pass);
 435                 else {
 436                         gchar *pass;
 437                         gchar *message;
 438
 439                         message = g_strdup_printf
 440                                 (_("Input password for %s on %s:"),
 441                                  pop3_state->user,
 442                                  pop3_state->ac_prefs->recv_server);
 443
 444                         pass = input_dialog_with_invisible(_("Input password"),
 445                                                            message, NULL);
 446                         g_free(message);
 447                         if (inc_dialog->show_dialog)
 448                                 manage_window_focus_in
 449                                         (inc_dialog->mainwin->window,
 450                                          NULL, NULL);
 451                         if (pass) {
 452                                 pop3_state->ac_prefs->tmp_pass = g_strdup(pass);
 453                                 pop3_state->pass = pass;
 454                         } else {
 455                                 inc_session_destroy(session);
 456                                 inc_dialog->queue_list = g_list_remove
 457                                         (inc_dialog->queue_list, session);
 458                                 continue;
 459                         }
 460                 }
 461
 462                 gtk_clist_set_pixmap(clist, num, 0, currentxpm, currentxpmmask);
 463                 gtk_clist_set_text(clist, num, 2, _("Retrieving"));
 464
 465                 /* begin POP3 session */
 466                 inc_state = inc_pop3_session_do(session);
 467
 468                 if (inc_state == INC_SUCCESS) {
 469                         gtk_clist_set_pixmap(clist, num, 0, okxpm, okxpmmask);
 470                         gtk_clist_set_text(clist, num, 2, _("Done"));
 471                 } else if (inc_state == INC_CANCEL) {
 472                         gtk_clist_set_pixmap(clist, num, 0, okxpm, okxpmmask);
 473                         gtk_clist_set_text(clist, num, 2, _("Cancelled"));
 474                 } else {
 475                         gtk_clist_set_pixmap(clist, num, 0, errorxpm, errorxpmmask);
 476                         if (inc_state == INC_CONNECT_ERROR)
 477                                 gtk_clist_set_text(clist, num, 2,
 478                                                    _("Connection failed"));
 479                         else if (inc_state == INC_AUTH_FAILED)
 480                                 gtk_clist_set_text(clist, num, 2,
 481                                                    _("Auth failed"));
 482                         else
 483                                 gtk_clist_set_text(clist, num, 2, _("Error"));
 484                 }
 485
 486                 if (pop3_state->error_val == PS_AUTHFAIL) {
 487                         if(!prefs_common.noerrorpanel) {
 488                                 if((prefs_common.recv_dialog_mode == RECV_DIALOG_ALWAYS) ||
 489                                     ((prefs_common.recv_dialog_mode == RECV_DIALOG_ACTIVE) && focus_window)) {
 490                                         manage_window_focus_in(inc_dialog->dialog->window, NULL, NULL);
 491                                 }
 492                                 alertpanel_error
 493                                         (_("Authorization for %s on %s failed"),
 494                                          pop3_state->user,
 495                                          pop3_state->ac_prefs->recv_server);
 496                         }
 497                 }
 498
 499                 statusbar_pop_all();
 500
 501                 new_msgs += pop3_state->cur_total_num;
 502
 503                 if (!prefs_common.scan_all_after_inc) {
 504                         folder_item_scan_foreach(pop3_state->folder_table);
 505                         folderview_update_item_foreach
 506                                 (pop3_state->folder_table);
 507                 }
 508
 509                 if (pop3_state->error_val == PS_AUTHFAIL &&
 510                     pop3_state->ac_prefs->tmp_pass) {
 511                         g_free(pop3_state->ac_prefs->tmp_pass);
 512                         pop3_state->ac_prefs->tmp_pass = NULL;
 513                 }
 514
 515                 inc_write_uidl_list(pop3_state);
 516
 517                 if (inc_state != INC_SUCCESS && inc_state != INC_CANCEL) {
 518                         error_num++;
 519                         if (inc_state == INC_NOSPACE) {
 520                                 inc_put_error(inc_state);
 521                                 break;
 522                         }
 523                 }
 524
 525                 inc_session_destroy(session);
 526                 inc_dialog->queue_list =
 527                         g_list_remove(inc_dialog->queue_list, session);
 528
 529                 num++;
 530         }
 531
 532         /* gtk_label_set_text(GTK_LABEL(inc_dialog->mainwin->statuslabel), "");  */
 533
 534         if (error_num && !prefs_common.noerrorpanel) {
 535                 if (inc_dialog->show_dialog)
 536                         manage_window_focus_in(inc_dialog->dialog->window,
 537                                                NULL, NULL);
 538                 alertpanel_error(_("Some errors occured while getting mail."));
 539                 if (inc_dialog->show_dialog)
 540                         manage_window_focus_out(inc_dialog->dialog->window,
 541                                                 NULL, NULL);
 542         }
 543
 544         while (inc_dialog->queue_list != NULL) {
 545                 session = inc_dialog->queue_list->data;
 546                 inc_session_destroy(session);
 547                 inc_dialog->queue_list =
 548                         g_list_remove(inc_dialog->queue_list, session);
 549         }
 550
 551         inc_progress_dialog_destroy(inc_dialog);
 552
 553         return new_msgs;
 554 }
 555
 556 static IncState inc_pop3_session_do(IncSession *session)
 557 {
 558         Pop3State *pop3_state = session->pop3_state;
 559         IncProgressDialog *inc_dialog = (IncProgressDialog *)session->data;
 560         Automaton *atm;
 561         SockInfo *sockinfo;
 562         gint i;
 563         gchar *server;
 564         gushort port;
 565         gchar *buf;
 566         static AtmHandler handlers[] = {
 567                 pop3_greeting_recv      ,
 568                 pop3_getauth_user_send  , pop3_getauth_user_recv,
 569                 pop3_getauth_pass_send  , pop3_getauth_pass_recv,
 570                 pop3_getauth_apop_send  , pop3_getauth_apop_recv,
 571                 pop3_getrange_stat_send , pop3_getrange_stat_recv,
 572                 pop3_getrange_last_send , pop3_getrange_last_recv,
 573                 pop3_getrange_uidl_send , pop3_getrange_uidl_recv,
 574                 pop3_getsize_list_send  , pop3_getsize_list_recv,
 575                 pop3_retr_send          , pop3_retr_recv,
 576                 pop3_delete_send        , pop3_delete_recv,
 577                 pop3_logout_send        , pop3_logout_recv
 578         };
 579
 580         debug_print(_("getting new messages of account %s...\n"),
 581                     pop3_state->ac_prefs->account_name);
 582
 583         atm = automaton_create(N_POP3_PHASE);
 584
 585         session->atm = atm;
 586         atm->data = pop3_state;
 587
 588         buf = g_strdup_printf(_("%s: Retrieving new messages"),
 589                               pop3_state->ac_prefs->recv_server);
 590         gtk_window_set_title(GTK_WINDOW(inc_dialog->dialog->window), buf);
 591         g_free(buf);
 592
 593         for (i = POP3_GREETING_RECV; i < N_POP3_PHASE; i++)
 594                 atm->state[i].handler = handlers[i];
 595         atm->state[POP3_GREETING_RECV].condition = GDK_INPUT_READ;
 596         for (i = POP3_GETAUTH_USER_SEND; i < N_POP3_PHASE; ) {
 597                 atm->state[i++].condition = GDK_INPUT_WRITE;
 598                 atm->state[i++].condition = GDK_INPUT_READ;
 599         }
 600
 601         atm->terminate = (AtmHandler)pop3_automaton_terminate;
 602
 603         atm->num = POP3_GREETING_RECV;
 604
 605         server = pop3_state->ac_prefs->recv_server;
 606 #if USE_SSL
 607         port = pop3_state->ac_prefs->set_popport ?
 608                 pop3_state->ac_prefs->popport :
 609                 pop3_state->ac_prefs->ssl_pop ? 995 : 110;
 610 #else
 611         port = pop3_state->ac_prefs->set_popport ?
 612                 pop3_state->ac_prefs->popport : 110;
 613 #endif
 614
 615         buf = g_strdup_printf(_("Connecting to POP3 server: %s ..."), server);
 616         log_message("%s\n", buf);
 617         progress_dialog_set_label(inc_dialog->dialog, buf);
 618         g_free(buf);
 619         GTK_EVENTS_FLUSH();
 620         statusbar_pop_all();
 621
 622 #if USE_THREADS
 623         if ((sockinfo = sock_connect_with_thread(server, port)) == NULL) {
 624 #else
 625         if ((sockinfo = sock_connect(server, port)) == NULL) {
 626 #endif
 627                 log_warning(_("Can't connect to POP3 server: %s:%d\n"),
 628                             server, port);
 629                 if(!prefs_common.noerrorpanel) {
 630                         if((prefs_common.recv_dialog_mode == RECV_DIALOG_ALWAYS) ||
 631                             ((prefs_common.recv_dialog_mode == RECV_DIALOG_ACTIVE) && focus_window)) {
 632                                 manage_window_focus_in(inc_dialog->dialog->window, NULL, NULL);
 633                         }
 634                         alertpanel_error(_("Can't connect to POP3 server: %s:%d"),
 635                                          server, port);
 636                         manage_window_focus_out(inc_dialog->dialog->window, NULL, NULL);
 637                 }
 638                 pop3_automaton_terminate(NULL, atm);
 639                 automaton_destroy(atm);
 640                 return INC_CONNECT_ERROR;
 641         }
 642
 643 #if USE_SSL
 644         if (pop3_state->ac_prefs->ssl_pop && !ssl_init_socket(sockinfo)) {
 645                 pop3_automaton_terminate(NULL, atm);
 646                 automaton_destroy(atm);
 647                 return INC_CONNECT_ERROR;
 648         }
 649 #endif
 650
 651         /* :WK: Hmmm, with the later sock_gdk_input, we have 2 references
 652          * to the sock structure - implement a reference counter?? */
 653         pop3_state->sockinfo = sockinfo;
 654         atm->help_sock = sockinfo;
 655
 656         log_verbosity_set(TRUE);
 657         recv_set_ui_func(inc_pop3_recv_func, session);
 658
 659 #if USE_THREADS
 660         atm->timeout_tag = gtk_timeout_add
 661                 (TIMEOUT_ITV, (GtkFunction)connection_check_cb, atm);
 662 #else
 663         atm->tag = sock_gdk_input_add(sockinfo,
 664                                       atm->state[atm->num].condition,
 665                                       automaton_input_cb, atm);
 666 #endif
 667
 668         while (!atm->terminated)
 669                 gtk_main_iteration();
 670
 671         log_verbosity_set(FALSE);
 672         recv_set_ui_func(NULL, NULL);
 673
 674 #if USE_THREADS
 675         //pthread_join(sockinfo->connect_thr, NULL);
 676 #endif
 677         automaton_destroy(atm);
 678
 679         return pop3_state->inc_state;
 680 }
 681
 682 static gint pop3_automaton_terminate(SockInfo *source, Automaton *atm)
 683 {
 684         if (atm->tag > 0) {
 685                 gdk_input_remove(atm->tag);
 686                 atm->tag = 0;
 687         }
 688         if (atm->timeout_tag > 0) {
 689                 gtk_timeout_remove(atm->timeout_tag);
 690                 atm->timeout_tag = 0;
 691         }
 692         if (source)
 693                 sock_close(source);
 694
 695         atm->terminated = TRUE;
 696
 697         return 0;
 698 }
 699
 700 static GHashTable *inc_get_uidl_table(PrefsAccount *ac_prefs)
 701 {
 702         GHashTable *table;
 703         gchar *path;
 704         FILE *fp;
 705         gchar buf[IDLEN + 3];
 706
 707         path = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S,
 708                            "uidl-", ac_prefs->recv_server,
 709                            "-", ac_prefs->userid, NULL);
 710         if ((fp = fopen(path, "r")) == NULL) {
 711                 if (ENOENT != errno) FILE_OP_ERROR(path, "fopen");
 712                 g_free(path);
 713                 return NULL;
 714         }
 715         g_free(path);
 716
 717         table = g_hash_table_new(g_str_hash, g_str_equal);
 718
 719         while (fgets(buf, sizeof(buf), fp) != NULL) {
 720                 strretchomp(buf);
 721                 g_hash_table_insert(table, g_strdup(buf), GINT_TO_POINTER(1));
 722         }
 723
 724         fclose(fp);
 725
 726         return table;
 727 }
 728
 729 static void inc_write_uidl_list(Pop3State *state)
 730 {
 731         gchar *path;
 732         FILE *fp;
 733         GSList *cur;
 734
 735         if (!state->id_list) return;
 736
 737         path = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S,
 738                            "uidl-", state->ac_prefs->recv_server,
 739                            "-", state->user, NULL);
 740         if ((fp = fopen(path, "w")) == NULL) {
 741                 FILE_OP_ERROR(path, "fopen");
 742                 g_free(path);
 743                 return;
 744         }
 745
 746         for (cur = state->id_list; cur != NULL; cur = cur->next) {
 747                 if (fputs((gchar *)cur->data, fp) == EOF) {
 748                         FILE_OP_ERROR(path, "fputs");
 749                         break;
 750                 }
 751                 if (fputc('\n', fp) == EOF) {
 752                         FILE_OP_ERROR(path, "fputc");
 753                         break;
 754                 }
 755         }
 756
 757         if (fclose(fp) == EOF) FILE_OP_ERROR(path, "fclose");
 758         g_free(path);
 759 }
 760
 761 #if USE_THREADS
 762 static gint connection_check_cb(Automaton *atm)
 763 {
 764         Pop3State *state = atm->data;
 765         IncProgressDialog *inc_dialog = state->session->data;
 766         SockInfo *sockinfo = state->sockinfo;
 767
 768         /* g_print("connection check\n"); */
 769
 770         if (sockinfo->state == CONN_LOOKUPFAILED ||
 771             sockinfo->state == CONN_FAILED) {
 772                 atm->timeout_tag = 0;
 773                 log_warning(_("Can't connect to POP3 server: %s:%d\n"),
 774                             sockinfo->hostname, sockinfo->port);
 775                 if(!prefs_common.noerrorpanel) {
 776                         if((prefs_common.recv_dialog_mode == RECV_DIALOG_ALWAYS) ||
 777                             ((prefs_common.recv_dialog_mode == RECV_DIALOG_ACTIVE) && focus_window)) {
 778                                 manage_window_focus_in(inc_dialog->dialog->window, NULL, NULL);
 779                         }
 780                         alertpanel_error(_("Can't connect to POP3 server: %s:%d"),
 781                                          sockinfo->hostname, sockinfo->port);
 782                         manage_window_focus_out(inc_dialog->dialog->window, NULL, NULL);
 783                 }
 784                 pop3_automaton_terminate(sockinfo, atm);
 785                 return FALSE;
 786         } else if (sockinfo->state == CONN_ESTABLISHED) {
 787                 atm->timeout_tag = 0;
 788                 atm->tag = sock_gdk_input_add(sockinfo,
 789                                               atm->state[atm->num].condition,
 790                                               automaton_input_cb, atm);
 791                 return FALSE;
 792         } else {
 793                 return TRUE;
 794         }
 795 }
 796 #endif
 797
 798 static void inc_pop3_recv_func(SockInfo *sock, gint count, gint read_bytes,
 799                                gpointer data)
 800 {
 801         gchar buf[MSGBUFSIZE];
 802         IncSession *session = (IncSession *)data;
 803         Pop3State *state = session->pop3_state;
 804         IncProgressDialog *inc_dialog = session->data;
 805         ProgressDialog *dialog = inc_dialog->dialog;
 806         gint cur_total;
 807         gchar *total_size;
 808
 809         cur_total = state->cur_total_bytes + read_bytes;
 810         if (cur_total > state->total_bytes)
 811                 cur_total = state->total_bytes;
 812
 813         Xstrdup_a(total_size, to_human_readable(state->total_bytes), return);
 814         g_snprintf(buf, sizeof(buf),
 815                    _("Retrieving message (%d / %d) (%s / %s)"),
 816                    state->cur_msg, state->count,
 817                    to_human_readable(cur_total), total_size);
 818         progress_dialog_set_label(dialog, buf);
 819
 820         progress_dialog_set_percentage
 821                 (dialog, (gfloat)cur_total / (gfloat)state->total_bytes);
 822         gtk_progress_bar_update
 823                 (GTK_PROGRESS_BAR(inc_dialog->mainwin->progressbar),
 824                  (gfloat)cur_total / (gfloat)state->total_bytes);
 825         GTK_EVENTS_FLUSH();
 826 }
 827
 828 void inc_progress_update(Pop3State *state, Pop3Phase phase)
 829 {
 830         gchar buf[MSGBUFSIZE];
 831         IncProgressDialog *inc_dialog = state->session->data;
 832         ProgressDialog *dialog = inc_dialog->dialog;
 833         gchar *total_size;
 834
 835         switch (phase) {
 836         case POP3_GREETING_RECV:
 837                 break;
 838         case POP3_GETAUTH_USER_SEND:
 839         case POP3_GETAUTH_USER_RECV:
 840         case POP3_GETAUTH_PASS_SEND:
 841         case POP3_GETAUTH_PASS_RECV:
 842         case POP3_GETAUTH_APOP_SEND:
 843         case POP3_GETAUTH_APOP_RECV:
 844                 progress_dialog_set_label(dialog, _("Authenticating..."));
 845                 break;
 846         case POP3_GETRANGE_STAT_SEND:
 847         case POP3_GETRANGE_STAT_RECV:
 848                 progress_dialog_set_label
 849                         (dialog, _("Getting the number of new messages (STAT)..."));
 850                 break;
 851         case POP3_GETRANGE_LAST_SEND:
 852         case POP3_GETRANGE_LAST_RECV:
 853                 progress_dialog_set_label
 854                         (dialog, _("Getting the number of new messages (LAST)..."));
 855                 break;
 856         case POP3_GETRANGE_UIDL_SEND:
 857         case POP3_GETRANGE_UIDL_RECV:
 858                 progress_dialog_set_label
 859                         (dialog, _("Getting the number of new messages (UIDL)..."));
 860                 break;
 861         case POP3_GETSIZE_LIST_SEND:
 862         case POP3_GETSIZE_LIST_RECV:
 863                 progress_dialog_set_label
 864                         (dialog, _("Getting the size of messages (LIST)..."));
 865                 break;
 866         case POP3_RETR_SEND:
 867         case POP3_RETR_RECV:
 868                 Xstrdup_a(total_size, to_human_readable(state->total_bytes), return);
 869                 g_snprintf(buf, sizeof(buf),
 870                            _("Retrieving message (%d / %d) (%s / %s)"),
 871                            state->cur_msg, state->count,
 872                            to_human_readable(state->cur_total_bytes),
 873                            total_size);
 874                 progress_dialog_set_label(dialog, buf);
 875                 progress_dialog_set_percentage
 876                         (dialog,
 877                          (gfloat)(state->cur_total_bytes) /
 878                          (gfloat)(state->total_bytes));
 879                 gtk_progress_bar_update
 880                         (GTK_PROGRESS_BAR(inc_dialog->mainwin->progressbar),
 881                          (gfloat)(state->cur_total_bytes) /
 882                          (gfloat)(state->total_bytes));
 883                 break;
 884         case POP3_DELETE_SEND:
 885         case POP3_DELETE_RECV:
 886                 progress_dialog_set_label(dialog, _("Deleting message"));
 887                 break;
 888         case POP3_LOGOUT_SEND:
 889         case POP3_LOGOUT_RECV:
 890                 progress_dialog_set_label(dialog, _("Quitting"));
 891                 break;
 892         default:
 893                 break;
 894         }
 895 }
 896
 897 gint inc_drop_message(const gchar *file, Pop3State *state)
 898 {
 899         FolderItem *inbox;
 900         FolderItem *dropfolder;
 901         gint val;
 902         gint msgnum;
 903
 904         if (state->ac_prefs->inbox) {
 905                 inbox = folder_find_item_from_path(state->ac_prefs->inbox);
 906                 if (!inbox)
 907                         inbox = folder_get_default_inbox();
 908         } else
 909                 inbox = folder_get_default_inbox();
 910         if (!inbox) {
 911                 unlink(file);
 912                 return -1;
 913         }
 914
 915         if (prefs_filtering == NULL) {
 916                 /* old filtering */
 917                 if (state->ac_prefs->filter_on_recv) {
 918                         dropfolder =
 919                                 filter_get_dest_folder(prefs_common.fltlist, file);
 920                         if (!dropfolder) dropfolder = inbox;
 921                         else if (!strcmp(dropfolder->path, FILTER_NOT_RECEIVE)) {
 922                                 g_warning(_("a message won't be received\n"));
 923                                 return 1;
 924                         }
 925                 } else
 926                         dropfolder = inbox;
 927         } else {
 928                 /* new filtering */
 929                 dropfolder = inbox;
 930         }
 931
 932         val = GPOINTER_TO_INT(g_hash_table_lookup
 933                               (state->folder_table, dropfolder));
 934         if (val == 0) {
 935                 folder_item_scan(dropfolder);
 936                 g_hash_table_insert(state->folder_table, dropfolder,
 937                                     GINT_TO_POINTER(1));
 938         }
 939
 940         if (prefs_filtering == NULL || !state->ac_prefs->filter_on_recv) {
 941                 if ((msgnum = folder_item_add_msg(dropfolder, file, TRUE)) < 0) {
 942                         unlink(file);
 943                         return -1;
 944                 }
 945         }
 946         else {
 947                 filter_incoming_message(dropfolder, file, state->folder_table);
 948         }
 949
 950         return 0;
 951 }
 952
 953 static void inc_put_error(IncState istate)
 954 {
 955         switch (istate) {
 956         case INC_ERROR:
 957                 if(!prefs_common.noerrorpanel) {
 958                         alertpanel_error(_("Error occurred while processing mail."));
 959                 }
 960                 break;
 961         case INC_NOSPACE:
 962                 alertpanel_error(_("No disk space left."));
 963                 break;
 964         default:
 965                 break;
 966         }
 967 }
 968
 969 static void inc_cancel(GtkWidget *widget, gpointer data)
 970 {
 971         IncProgressDialog *dialog = data;
 972         IncSession *session = dialog->queue_list->data;
 973         SockInfo *sockinfo = session->pop3_state->sockinfo;
 974
 975 #if USE_THREADS
 976         if (sockinfo->state == CONN_READY ||
 977             sockinfo->state == CONN_LOOKUPSUCCESS) {
 978                 pthread_cancel(sockinfo->connect_thr);
 979                 /* pthread_kill(sockinfo->connect_thr, SIGINT); */
 980                 g_print("connection was cancelled.\n");
 981         }
 982 #endif
 983
 984         session->pop3_state->inc_state = INC_CANCEL;
 985         pop3_automaton_terminate(sockinfo, session->atm);
 986 }
 987
 988 static gint inc_spool(void)
 989 {
 990         gchar *mbox, *logname;
 991         gint msgs;
 992
 993         logname = g_get_user_name();
 994         mbox = g_strconcat(prefs_common.spool_path
 995                            ? prefs_common.spool_path : DEFAULT_SPOOL_PATH,
 996                            G_DIR_SEPARATOR_S, logname, NULL);
 997         msgs = get_spool(folder_get_default_inbox(), mbox);
 998         g_free(mbox);
 999
1000         return msgs;
1001 }
1002
1003 static void inc_spool_account(PrefsAccount *account)
1004 {
1005         FolderItem *inbox;
1006         FolderItem *dropfolder;
1007         gint val;
1008
1009         if (account->inbox) {
1010                 inbox = folder_find_item_from_path(account->inbox);
1011                 if (!inbox)
1012                         inbox = folder_get_default_inbox();
1013         } else
1014                 inbox = folder_get_default_inbox();
1015
1016         get_spool(inbox, account->local_mbox);
1017 }
1018
1019 static void inc_all_spool(void)
1020 {
1021         GList *list = NULL;
1022
1023         list = account_get_list();
1024         if (!list) return;
1025
1026         for (; list != NULL; list = list->next) {
1027                 IncSession *session;
1028                 PrefsAccount *account = list->data;
1029
1030                 if (account->protocol == A_LOCAL)
1031                         inc_spool_account(account);
1032         }
1033 }
1034
1035 static gint get_spool(FolderItem *dest, const gchar *mbox)
1036 {
1037         gint msgs, size;
1038         gint lockfd;
1039         gchar tmp_mbox[MAXPATHLEN + 1];
1040         GHashTable *folder_table = NULL;
1041
1042         g_return_val_if_fail(dest != NULL, -1);
1043         g_return_val_if_fail(mbox != NULL, -1);
1044
1045         if (!is_file_exist(mbox) || (size = get_file_size(mbox)) == 0) {
1046                 debug_print(_("no messages in local mailbox.\n"));
1047                 return 0;
1048         } else if (size < 0)
1049                 return -1;
1050
1051         if ((lockfd = lock_mbox(mbox, LOCK_FLOCK)) < 0)
1052                 return -1;
1053
1054         g_snprintf(tmp_mbox, sizeof(tmp_mbox), "%s%ctmpmbox%d",
1055                    get_rc_dir(), G_DIR_SEPARATOR, (gint)mbox);
1056
1057         if (copy_mbox(mbox, tmp_mbox) < 0)
1058                 return -1;
1059
1060         debug_print(_("Getting new messages from %s into %s...\n"),
1061                     mbox, dest->path);
1062
1063         if (prefs_common.filter_on_inc)
1064                 folder_table = g_hash_table_new(NULL, NULL);
1065         msgs = proc_mbox(dest, tmp_mbox, folder_table);
1066
1067         unlink(tmp_mbox);
1068         if (msgs >= 0) empty_mbox(mbox);
1069         unlock_mbox(mbox, lockfd, LOCK_FLOCK);
1070
1071         if (folder_table) {
1072                 if (!prefs_common.scan_all_after_inc) {
1073                 g_hash_table_insert(folder_table, dest,
1074                                     GINT_TO_POINTER(1));
1075                         folder_item_scan_foreach(folder_table);
1076                         folderview_update_item_foreach(folder_table);
1077                 }
1078                 g_hash_table_destroy(folder_table);
1079         } else if (!prefs_common.scan_all_after_inc) {
1080                 folder_item_scan(dest);
1081                 folderview_update_item(dest, FALSE);
1082         }
1083
1084         return msgs;
1085 }
1086
1087 void inc_lock(void)
1088 {
1089         inc_lock_count++;
1090 }
1091
1092 void inc_unlock(void)
1093 {
1094         if (inc_lock_count > 0)
1095                 inc_lock_count--;
1096 }
1097
1098 static guint autocheck_timer = 0;
1099 static gpointer autocheck_data = NULL;
1100
1101 void inc_autocheck_timer_init(MainWindow *mainwin)
1102 {
1103         autocheck_data = mainwin;
1104         inc_autocheck_timer_set();
1105 }
1106
1107 static void inc_autocheck_timer_set_interval(guint interval)
1108 {
1109         inc_autocheck_timer_remove();
1110
1111         if (prefs_common.autochk_newmail && autocheck_data) {
1112                 autocheck_timer = gtk_timeout_add
1113                         (interval, inc_autocheck_func, autocheck_data);
1114                 debug_print("added timer = %d\n", autocheck_timer);
1115         }
1116 }
1117
1118 void inc_autocheck_timer_set(void)
1119 {
1120         inc_autocheck_timer_set_interval(prefs_common.autochk_itv * 60000);
1121 }
1122
1123 void inc_autocheck_timer_remove(void)
1124 {
1125         if (autocheck_timer) {
1126                 debug_print("removed timer = %d\n", autocheck_timer);
1127                 gtk_timeout_remove(autocheck_timer);
1128                 autocheck_timer = 0;
1129         }
1130 }
1131
1132 static gint inc_autocheck_func(gpointer data)
1133 {
1134         MainWindow *mainwin = (MainWindow *)data;
1135
1136         if (inc_lock_count) {
1137                 debug_print("autocheck is locked.\n");
1138                 inc_autocheck_timer_set_interval(1000);
1139                 return FALSE;
1140         }
1141
1142         inc_all_account_mail(mainwin);
1143
1144         return FALSE;
1145 }