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 <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 "stock_pixmap.h"
  60 #include "progressdialog.h"
  61 #include "inputdialog.h"
  62 #include "alertpanel.h"
  63 #include "filter.h"
  64 #include "automaton.h"
  65 #include "folder.h"
  66 #include "filtering.h"
  67 #include "selective_download.h"
  68
  69 static guint inc_lock_count = 0;
  70
  71 static GdkPixmap *currentxpm;
  72 static GdkBitmap *currentxpmmask;
  73 static GdkPixmap *errorxpm;
  74 static GdkBitmap *errorxpmmask;
  75 static GdkPixmap *okxpm;
  76 static GdkBitmap *okxpmmask;
  77
  78 #define MSGBUFSIZE      8192
  79
  80 static void inc_finished                (MainWindow             *mainwin,
  81                                          gboolean                new_messages);
  82 static gint inc_account_mail            (PrefsAccount           *account,
  83                                          MainWindow             *mainwin);
  84
  85 static IncProgressDialog *inc_progress_dialog_create    (void);
  86 static void inc_progress_dialog_destroy (IncProgressDialog      *inc_dialog);
  87
  88 static IncSession *inc_session_new      (PrefsAccount           *account);
  89 static void inc_session_destroy         (IncSession             *session);
  90 static Pop3State *inc_pop3_state_new    (PrefsAccount           *account);
  91 static void inc_pop3_state_destroy      (Pop3State              *state);
  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 GHashTable *inc_get_uidl_table   (PrefsAccount           *ac_prefs);
  98 static void inc_write_uidl_list         (Pop3State              *state);
  99
 100 static void inc_pop3_recv_func          (SockInfo       *sock,
 101                                          gint            count,
 102                                          gint            read_bytes,
 103                                          gpointer        data);
 104
 105 static void inc_put_error               (IncState        istate);
 106
 107 static void inc_cancel                  (GtkWidget      *widget,
 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_all_spool(void);
 115 static void inc_autocheck_timer_set_interval    (guint           interval);
 116 static gint inc_autocheck_func                  (gpointer        data);
 117
 118 #define FOLDER_SUMMARY_MISMATCH(f, s) \
 119         (f) && (s) ? ((s)->newmsgs != (f)->new) || ((f)->unread != (s)->unread) || ((f)->total != (s)->messages) \
 120         : FALSE
 121
 122 /**
 123  * inc_finished:
 124  * @mainwin: Main window.
 125  * @new_messages: TRUE if some messages have been received.
 126  *
 127  * Update the folder view and the summary view after receiving
 128  * messages.  If @new_messages is FALSE, this function avoids unneeded
 129  * updating.
 130  **/
 131 static void inc_finished(MainWindow *mainwin, gboolean new_messages)
 132 {
 133         FolderItem *item;
 134
 135         if (prefs_common.scan_all_after_inc)
 136                 folderview_check_new(NULL);
 137
 138         if (!new_messages && !prefs_common.scan_all_after_inc) return;
 139
 140         if (prefs_common.open_inbox_on_inc) {
 141                 item = cur_account && cur_account->inbox
 142                         ? folder_find_item_from_path(cur_account->inbox)
 143                         : folder_get_default_inbox();
 144                 if (FOLDER_SUMMARY_MISMATCH(item, mainwin->summaryview)) {
 145                         folderview_unselect(mainwin->folderview);
 146                         folderview_select(mainwin->folderview, item);
 147                 }
 148         } else {
 149                 item = mainwin->summaryview->folder_item;
 150                 if (FOLDER_SUMMARY_MISMATCH(item, mainwin->summaryview)) {
 151                         folderview_unselect(mainwin->folderview);
 152                         folderview_select(mainwin->folderview, item);
 153                 }
 154         }
 155 }
 156
 157 void inc_mail(MainWindow *mainwin)
 158 {
 159         gint new_msgs = 0;
 160
 161         if (inc_lock_count) return;
 162
 163         inc_autocheck_timer_remove();
 164         summary_write_cache(mainwin->summaryview);
 165         main_window_lock(mainwin);
 166
 167         if (prefs_common.use_extinc && prefs_common.extinc_cmd) {
 168                 /* external incorporating program */
 169                 if (execute_command_line(prefs_common.extinc_cmd, FALSE) < 0) {
 170                         main_window_unlock(mainwin);
 171                         inc_autocheck_timer_set();
 172                         return;
 173                 }
 174
 175                 if (prefs_common.inc_local)
 176                         new_msgs = inc_spool();
 177         } else {
 178                 if (prefs_common.inc_local)
 179                         new_msgs = inc_spool();
 180
 181                 new_msgs += inc_account_mail(cur_account, mainwin);
 182         }
 183
 184         inc_finished(mainwin, new_msgs > 0);
 185         main_window_unlock(mainwin);
 186         inc_autocheck_timer_set();
 187 }
 188
 189 gint inc_selective_download(MainWindow *mainwin, gint session_type)
 190 {
 191         PrefsAccount *account = cur_account;
 192         gint new_msgs = 0;
 193
 194         account->session_type = session_type;
 195         new_msgs = inc_account_mail(account, mainwin);
 196         account->session_type = RETR_NORMAL;
 197
 198         return new_msgs;
 199 }
 200
 201 static gint inc_account_mail(PrefsAccount *account, MainWindow *mainwin)
 202 {
 203         IncProgressDialog *inc_dialog;
 204         IncSession *session;
 205         gchar *text[3];
 206
 207         if (account->protocol == A_IMAP4 || account->protocol == A_NNTP) {
 208                 folderview_check_new(FOLDER(account->folder));
 209                 return 1;
 210         }
 211
 212         session = inc_session_new(account);
 213         if (!session) return 0;
 214
 215         inc_dialog = inc_progress_dialog_create();
 216         inc_dialog->queue_list = g_list_append(inc_dialog->queue_list, session);
 217         inc_dialog->mainwin = mainwin;
 218         session->data = inc_dialog;
 219
 220         text[0] = NULL;
 221         text[1] = account->account_name;
 222         text[2] = _("Standby");
 223         gtk_clist_append(GTK_CLIST(inc_dialog->dialog->clist), text);
 224
 225         return inc_start(inc_dialog);
 226 }
 227
 228 void inc_all_account_mail(MainWindow *mainwin)
 229 {
 230         GList *list, *queue_list = NULL;
 231         IncProgressDialog *inc_dialog;
 232         gint new_msgs = 0;
 233
 234         if (inc_lock_count) return;
 235
 236         inc_autocheck_timer_remove();
 237         summary_write_cache(mainwin->summaryview);
 238         main_window_lock(mainwin);
 239
 240         if (prefs_common.inc_local)
 241                 new_msgs = inc_spool();
 242
 243         list = account_get_list();
 244         if (!list) {
 245                 inc_finished(mainwin, new_msgs > 0);
 246                 main_window_unlock(mainwin);
 247                 inc_autocheck_timer_set();
 248                 return;
 249         }
 250
 251         /* check IMAP4 folders */
 252         for (; list != NULL; list = list->next) {
 253                 PrefsAccount *account = list->data;
 254                 if ((account->protocol == A_IMAP4 ||
 255                      account->protocol == A_NNTP) && account->recv_at_getall)
 256                         folderview_check_new(FOLDER(account->folder));
 257         }
 258
 259         /* check POP3 accounts */
 260         for (list = account_get_list(); list != NULL; list = list->next) {
 261                 IncSession *session;
 262                 PrefsAccount *account = list->data;
 263                 account->session_type = RETR_NORMAL;
 264                 if (account->recv_at_getall) {
 265                         session = inc_session_new(account);
 266                         if (session)
 267                                 queue_list = g_list_append(queue_list, session);
 268                 }
 269         }
 270
 271         if (!queue_list) {
 272                 inc_finished(mainwin, new_msgs > 0);
 273                 main_window_unlock(mainwin);
 274                 inc_autocheck_timer_set();
 275                 return;
 276         }
 277
 278         inc_dialog = inc_progress_dialog_create();
 279         inc_dialog->queue_list = queue_list;
 280         inc_dialog->mainwin = mainwin;
 281         for (list = queue_list; list != NULL; list = list->next) {
 282                 IncSession *session = list->data;
 283                 gchar *text[3];
 284
 285                 session->data = inc_dialog;
 286
 287                 text[0] = NULL;
 288                 text[1] = session->pop3_state->ac_prefs->account_name;
 289                 text[2] = _("Standby");
 290                 gtk_clist_append(GTK_CLIST(inc_dialog->dialog->clist), text);
 291         }
 292
 293         new_msgs += inc_start(inc_dialog);
 294
 295         inc_finished(mainwin, new_msgs > 0);
 296         main_window_unlock(mainwin);
 297         inc_autocheck_timer_set();
 298 }
 299
 300 static IncProgressDialog *inc_progress_dialog_create(void)
 301 {
 302         IncProgressDialog *dialog;
 303         ProgressDialog *progress;
 304
 305         dialog = g_new0(IncProgressDialog, 1);
 306
 307         progress = progress_dialog_create();
 308         gtk_window_set_title(GTK_WINDOW(progress->window),
 309                              _("Retrieving new messages"));
 310         gtk_signal_connect(GTK_OBJECT(progress->cancel_btn), "clicked",
 311                            GTK_SIGNAL_FUNC(inc_cancel), dialog);
 312         gtk_signal_connect(GTK_OBJECT(progress->window), "delete_event",
 313                            GTK_SIGNAL_FUNC(gtk_true), NULL);
 314         /* manage_window_set_transient(GTK_WINDOW(progress->window)); */
 315
 316         progress_dialog_set_value(progress, 0.0);
 317
 318         stock_pixmap_gdk(progress->clist, STOCK_PIXMAP_COMPLETE,
 319                          &okxpm, &okxpmmask);
 320         stock_pixmap_gdk(progress->clist, STOCK_PIXMAP_CONTINUE,
 321                          &currentxpm, &currentxpmmask);
 322         stock_pixmap_gdk(progress->clist, STOCK_PIXMAP_ERROR,
 323                          &errorxpm, &errorxpmmask);
 324
 325         if (prefs_common.recv_dialog_mode == RECV_DIALOG_ALWAYS ||
 326             (prefs_common.recv_dialog_mode == RECV_DIALOG_ACTIVE &&
 327              manage_window_get_focus_window())) {
 328                 dialog->show_dialog = TRUE;
 329                 gtk_widget_show_now(progress->window);
 330         }
 331
 332         dialog->dialog = progress;
 333         dialog->queue_list = NULL;
 334
 335         return dialog;
 336 }
 337
 338 static void inc_progress_dialog_clear(IncProgressDialog *inc_dialog)
 339 {
 340         progress_dialog_set_value(inc_dialog->dialog, 0.0);
 341         progress_dialog_set_label(inc_dialog->dialog, "");
 342         gtk_progress_bar_update
 343                 (GTK_PROGRESS_BAR(inc_dialog->mainwin->progressbar), 0.0);
 344 }
 345
 346 static void inc_progress_dialog_destroy(IncProgressDialog *inc_dialog)
 347 {
 348         g_return_if_fail(inc_dialog != NULL);
 349
 350         gtk_progress_bar_update
 351                 (GTK_PROGRESS_BAR(inc_dialog->mainwin->progressbar), 0.0);
 352         progress_dialog_destroy(inc_dialog->dialog);
 353
 354         g_free(inc_dialog);
 355 }
 356
 357 static IncSession *inc_session_new(PrefsAccount *account)
 358 {
 359         IncSession *session;
 360
 361         g_return_val_if_fail(account != NULL, NULL);
 362
 363         if (account->protocol != A_POP3 && account->protocol != A_APOP)
 364                 return NULL;
 365         if (!account->recv_server || !account->userid)
 366                 return NULL;
 367
 368         session = g_new0(IncSession, 1);
 369         session->pop3_state = inc_pop3_state_new(account);
 370         session->pop3_state->session = session;
 371
 372         return session;
 373 }
 374
 375 static void inc_session_destroy(IncSession *session)
 376 {
 377         g_return_if_fail(session != NULL);
 378
 379         inc_pop3_state_destroy(session->pop3_state);
 380         g_free(session);
 381 }
 382
 383 static Pop3State *inc_pop3_state_new(PrefsAccount *account)
 384 {
 385         Pop3State *state;
 386
 387         state = g_new0(Pop3State, 1);
 388
 389         state->ac_prefs = account;
 390         state->folder_table = g_hash_table_new(NULL, NULL);
 391         state->id_table = inc_get_uidl_table(account);
 392         state->id_list = NULL;
 393         state->new_id_list = NULL;
 394         state->inc_state = INC_SUCCESS;
 395
 396         return state;
 397 }
 398
 399 static void inc_pop3_state_destroy(Pop3State *state)
 400 {
 401         g_hash_table_destroy(state->folder_table);
 402         g_free(state->sizes);
 403
 404         if (state->id_table) {
 405                 hash_free_strings(state->id_table);
 406                 g_hash_table_destroy(state->id_table);
 407         }
 408         slist_free_strings(state->id_list);
 409         slist_free_strings(state->new_id_list);
 410         g_slist_free(state->id_list);
 411         g_slist_free(state->new_id_list);
 412
 413         g_free(state->greeting);
 414         g_free(state->user);
 415         g_free(state->pass);
 416         g_free(state->prev_folder);
 417
 418         g_free(state);
 419 }
 420
 421 static gint inc_start(IncProgressDialog *inc_dialog)
 422 {
 423         IncSession *session;
 424         GtkCList *clist = GTK_CLIST(inc_dialog->dialog->clist);
 425         Pop3State *pop3_state;
 426         IncState inc_state;
 427         gint num = 0;
 428         gint error_num = 0;
 429         gint new_msgs = 0;
 430
 431         while (inc_dialog->queue_list != NULL) {
 432                 session = inc_dialog->queue_list->data;
 433                 pop3_state = session->pop3_state;
 434
 435                 inc_progress_dialog_clear(inc_dialog);
 436
 437                 gtk_clist_moveto(clist, num, -1, 1.0, 0.0);
 438
 439                 pop3_state->user = g_strdup(pop3_state->ac_prefs->userid);
 440                 if (pop3_state->ac_prefs->passwd)
 441                         pop3_state->pass =
 442                                 g_strdup(pop3_state->ac_prefs->passwd);
 443                 else if (pop3_state->ac_prefs->tmp_pass)
 444                         pop3_state->pass =
 445                                 g_strdup(pop3_state->ac_prefs->tmp_pass);
 446                 else {
 447                         gchar *pass;
 448
 449                         pass = input_dialog_query_password
 450                                 (pop3_state->ac_prefs->recv_server,
 451                                  pop3_state->user);
 452
 453                         if (inc_dialog->show_dialog)
 454                                 manage_window_focus_in
 455                                         (inc_dialog->mainwin->window,
 456                                          NULL, NULL);
 457                         if (pass) {
 458                                 pop3_state->ac_prefs->tmp_pass = g_strdup(pass);
 459                                 pop3_state->pass = pass;
 460                         } else {
 461                                 inc_session_destroy(session);
 462                                 inc_dialog->queue_list = g_list_remove
 463                                         (inc_dialog->queue_list, session);
 464                                 continue;
 465                         }
 466                 }
 467
 468                 gtk_clist_set_pixmap(clist, num, 0, currentxpm, currentxpmmask);
 469                 gtk_clist_set_text(clist, num, 2, _("Retrieving"));
 470
 471                 /* begin POP3 session */
 472                 inc_state = inc_pop3_session_do(session);
 473
 474                 if (inc_state == INC_SUCCESS) {
 475                         gtk_clist_set_pixmap(clist, num, 0, okxpm, okxpmmask);
 476                         gtk_clist_set_text(clist, num, 2, _("Done"));
 477                 } else if (inc_state == INC_CANCEL) {
 478                         gtk_clist_set_pixmap(clist, num, 0, okxpm, okxpmmask);
 479                         gtk_clist_set_text(clist, num, 2, _("Cancelled"));
 480                 } else {
 481                         gtk_clist_set_pixmap(clist, num, 0, errorxpm, errorxpmmask);
 482                         if (inc_state == INC_CONNECT_ERROR)
 483                                 gtk_clist_set_text(clist, num, 2,
 484                                                    _("Connection failed"));
 485                         else if (inc_state == INC_AUTH_FAILED)
 486                                 gtk_clist_set_text(clist, num, 2,
 487                                                    _("Auth failed"));
 488                         else
 489                                 gtk_clist_set_text(clist, num, 2, _("Error"));
 490                 }
 491
 492                 if (pop3_state->error_val == PS_AUTHFAIL) {
 493                         if(!prefs_common.noerrorpanel) {
 494                                 if((prefs_common.recv_dialog_mode == RECV_DIALOG_ALWAYS) ||
 495                                     ((prefs_common.recv_dialog_mode == RECV_DIALOG_ACTIVE) && focus_window)) {
 496                                         manage_window_focus_in(inc_dialog->dialog->window, NULL, NULL);
 497                                 }
 498                                 alertpanel_error
 499                                         (_("Authorization for %s on %s failed"),
 500                                          pop3_state->user,
 501                                          pop3_state->ac_prefs->recv_server);
 502                         }
 503                 }
 504
 505                 statusbar_pop_all();
 506
 507                 new_msgs += pop3_state->cur_total_num;
 508
 509                 if (!prefs_common.scan_all_after_inc) {
 510                         folder_item_scan_foreach(pop3_state->folder_table);
 511                         folderview_update_item_foreach
 512                                 (pop3_state->folder_table);
 513                 }
 514
 515                 if (pop3_state->error_val == PS_AUTHFAIL &&
 516                     pop3_state->ac_prefs->tmp_pass) {
 517                         g_free(pop3_state->ac_prefs->tmp_pass);
 518                         pop3_state->ac_prefs->tmp_pass = NULL;
 519                 }
 520
 521                 inc_write_uidl_list(pop3_state);
 522
 523                 if (inc_state != INC_SUCCESS && inc_state != INC_CANCEL) {
 524                         error_num++;
 525                         if (inc_state == INC_NOSPACE) {
 526                                 inc_put_error(inc_state);
 527                                 break;
 528                         }
 529                 }
 530
 531                 inc_session_destroy(session);
 532                 inc_dialog->queue_list =
 533                         g_list_remove(inc_dialog->queue_list, session);
 534
 535                 num++;
 536         }
 537
 538         if (error_num && !prefs_common.noerrorpanel) {
 539                 if (inc_dialog->show_dialog)
 540                         manage_window_focus_in(inc_dialog->dialog->window,
 541                                                NULL, NULL);
 542                 alertpanel_error(_("Some errors occured while getting mail."));
 543                 if (inc_dialog->show_dialog)
 544                         manage_window_focus_out(inc_dialog->dialog->window,
 545                                                 NULL, NULL);
 546         }
 547
 548         while (inc_dialog->queue_list != NULL) {
 549                 session = inc_dialog->queue_list->data;
 550                 inc_session_destroy(session);
 551                 inc_dialog->queue_list =
 552                         g_list_remove(inc_dialog->queue_list, session);
 553         }
 554
 555         inc_progress_dialog_destroy(inc_dialog);
 556
 557         return new_msgs;
 558 }
 559
 560 static IncState inc_pop3_session_do(IncSession *session)
 561 {
 562         Pop3State *pop3_state = session->pop3_state;
 563         IncProgressDialog *inc_dialog = (IncProgressDialog *)session->data;
 564         Automaton *atm;
 565         SockInfo *sockinfo;
 566         gint i;
 567         gchar *server;
 568         gushort port;
 569         gchar *buf;
 570         static AtmHandler handlers[] = {
 571                 pop3_greeting_recv      ,
 572                 pop3_getauth_user_send  , pop3_getauth_user_recv,
 573                 pop3_getauth_pass_send  , pop3_getauth_pass_recv,
 574                 pop3_getauth_apop_send  , pop3_getauth_apop_recv,
 575                 pop3_getrange_stat_send , pop3_getrange_stat_recv,
 576                 pop3_getrange_last_send , pop3_getrange_last_recv,
 577                 pop3_getrange_uidl_send , pop3_getrange_uidl_recv,
 578                 pop3_getsize_list_send  , pop3_getsize_list_recv,
 579                 pop3_top_send           , pop3_top_recv,
 580                 pop3_retr_send          , pop3_retr_recv,
 581                 pop3_delete_send        , pop3_delete_recv,
 582                 pop3_logout_send        , pop3_logout_recv
 583         };
 584
 585         debug_print(_("getting new messages of account %s...\n"),
 586                     pop3_state->ac_prefs->account_name);
 587
 588         atm = automaton_create(N_POP3_PHASE);
 589
 590         session->atm = atm;
 591         atm->data = pop3_state;
 592
 593         buf = g_strdup_printf(_("%s: Retrieving new messages"),
 594                               pop3_state->ac_prefs->recv_server);
 595         gtk_window_set_title(GTK_WINDOW(inc_dialog->dialog->window), buf);
 596         g_free(buf);
 597
 598         for (i = POP3_GREETING_RECV; i < N_POP3_PHASE; i++)
 599                 atm->state[i].handler = handlers[i];
 600         atm->state[POP3_GREETING_RECV].condition = GDK_INPUT_READ;
 601         for (i = POP3_GETAUTH_USER_SEND; i < N_POP3_PHASE; ) {
 602                 atm->state[i++].condition = GDK_INPUT_WRITE;
 603                 atm->state[i++].condition = GDK_INPUT_READ;
 604         }
 605
 606         atm->terminate = (AtmHandler)pop3_automaton_terminate;
 607
 608         atm->num = POP3_GREETING_RECV;
 609
 610         server = pop3_state->ac_prefs->recv_server;
 611 #if USE_SSL
 612         port = pop3_state->ac_prefs->set_popport ?
 613                 pop3_state->ac_prefs->popport :
 614                 pop3_state->ac_prefs->ssl_pop ? 995 : 110;
 615 #else
 616         port = pop3_state->ac_prefs->set_popport ?
 617                 pop3_state->ac_prefs->popport : 110;
 618 #endif
 619
 620         buf = g_strdup_printf(_("Connecting to POP3 server: %s ..."), server);
 621         log_message("%s\n", buf);
 622         progress_dialog_set_label(inc_dialog->dialog, buf);
 623         g_free(buf);
 624         GTK_EVENTS_FLUSH();
 625         statusbar_pop_all();
 626
 627         if ((sockinfo = sock_connect(server, port)) == NULL) {
 628                 log_warning(_("Can't connect to POP3 server: %s:%d\n"),
 629                             server, port);
 630                 if(!prefs_common.noerrorpanel) {
 631                         if((prefs_common.recv_dialog_mode == RECV_DIALOG_ALWAYS) ||
 632                             ((prefs_common.recv_dialog_mode == RECV_DIALOG_ACTIVE) && focus_window)) {
 633                                 manage_window_focus_in(inc_dialog->dialog->window, NULL, NULL);
 634                         }
 635                         alertpanel_error(_("Can't connect to POP3 server: %s:%d"),
 636                                          server, port);
 637                         manage_window_focus_out(inc_dialog->dialog->window, NULL, NULL);
 638                 }
 639                 pop3_automaton_terminate(NULL, atm);
 640                 automaton_destroy(atm);
 641                 return INC_CONNECT_ERROR;
 642         }
 643
 644 #if USE_SSL
 645         if (pop3_state->ac_prefs->ssl_pop && !ssl_init_socket(sockinfo)) {
 646                 pop3_automaton_terminate(NULL, atm);
 647                 automaton_destroy(atm);
 648                 return INC_CONNECT_ERROR;
 649         }
 650 #endif
 651
 652         /* :WK: Hmmm, with the later sock_gdk_input, we have 2 references
 653          * to the sock structure - implement a reference counter?? */
 654         pop3_state->sockinfo = sockinfo;
 655         atm->help_sock = sockinfo;
 656
 657         log_verbosity_set(TRUE);
 658         recv_set_ui_func(inc_pop3_recv_func, session);
 659
 660         atm->tag = sock_gdk_input_add(sockinfo,
 661                                       atm->state[atm->num].condition,
 662                                       automaton_input_cb, atm);
 663
 664         while (!atm->terminated)
 665                 gtk_main_iteration();
 666
 667         log_verbosity_set(FALSE);
 668         recv_set_ui_func(NULL, NULL);
 669
 670         automaton_destroy(atm);
 671
 672         return pop3_state->inc_state;
 673 }
 674
 675 static gint pop3_automaton_terminate(SockInfo *source, Automaton *atm)
 676 {
 677         if (atm->terminated) return 0;
 678
 679         if (atm->tag > 0) {
 680                 gdk_input_remove(atm->tag);
 681                 atm->tag = 0;
 682         }
 683         if (atm->timeout_tag > 0) {
 684                 gtk_timeout_remove(atm->timeout_tag);
 685                 atm->timeout_tag = 0;
 686         }
 687         if (source)
 688                 sock_close(source);
 689
 690         atm->terminated = TRUE;
 691
 692         return 0;
 693 }
 694
 695 static GHashTable *inc_get_uidl_table(PrefsAccount *ac_prefs)
 696 {
 697         GHashTable *table;
 698         gchar *path;
 699         FILE *fp;
 700         gchar buf[IDLEN + 3];
 701
 702         path = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S,
 703                            "uidl-", ac_prefs->recv_server,
 704                            "-", ac_prefs->userid, NULL);
 705         if ((fp = fopen(path, "r")) == NULL) {
 706                 if (ENOENT != errno) FILE_OP_ERROR(path, "fopen");
 707                 g_free(path);
 708                 return NULL;
 709         }
 710         g_free(path);
 711
 712         table = g_hash_table_new(g_str_hash, g_str_equal);
 713
 714         while (fgets(buf, sizeof(buf), fp) != NULL) {
 715                 strretchomp(buf);
 716                 g_hash_table_insert(table, g_strdup(buf), GINT_TO_POINTER(1));
 717         }
 718
 719         fclose(fp);
 720
 721         return table;
 722 }
 723
 724 static void inc_write_uidl_list(Pop3State *state)
 725 {
 726         gchar *path;
 727         FILE *fp;
 728         GSList *cur;
 729
 730         if (!state->id_list) return;
 731
 732         path = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S,
 733                            "uidl-", state->ac_prefs->recv_server,
 734                            "-", state->user, NULL);
 735         if ((fp = fopen(path, "w")) == NULL) {
 736                 FILE_OP_ERROR(path, "fopen");
 737                 g_free(path);
 738                 return;
 739         }
 740
 741         for (cur = state->id_list; cur != NULL; cur = cur->next) {
 742                 if (fputs((gchar *)cur->data, fp) == EOF) {
 743                         FILE_OP_ERROR(path, "fputs");
 744                         break;
 745                 }
 746                 if (fputc('\n', fp) == EOF) {
 747                         FILE_OP_ERROR(path, "fputc");
 748                         break;
 749                 }
 750         }
 751
 752         if (fclose(fp) == EOF) FILE_OP_ERROR(path, "fclose");
 753         g_free(path);
 754 }
 755
 756 static void inc_pop3_recv_func(SockInfo *sock, gint count, gint read_bytes,
 757                                gpointer data)
 758 {
 759         gchar buf[MSGBUFSIZE];
 760         IncSession *session = (IncSession *)data;
 761         Pop3State *state = session->pop3_state;
 762         IncProgressDialog *inc_dialog = session->data;
 763         ProgressDialog *dialog = inc_dialog->dialog;
 764         gint cur_total;
 765         gchar *total_size;
 766
 767         cur_total = state->cur_total_bytes + read_bytes;
 768         if (cur_total > state->total_bytes)
 769                 cur_total = state->total_bytes;
 770
 771         Xstrdup_a(total_size, to_human_readable(state->total_bytes), return);
 772         g_snprintf(buf, sizeof(buf),
 773                    _("Retrieving message (%d / %d) (%s / %s)"),
 774                    state->cur_msg, state->count,
 775                    to_human_readable(cur_total), total_size);
 776         progress_dialog_set_label(dialog, buf);
 777
 778         progress_dialog_set_percentage
 779                 (dialog, (gfloat)cur_total / (gfloat)state->total_bytes);
 780         gtk_progress_bar_update
 781                 (GTK_PROGRESS_BAR(inc_dialog->mainwin->progressbar),
 782                  (gfloat)cur_total / (gfloat)state->total_bytes);
 783         GTK_EVENTS_FLUSH();
 784 }
 785
 786 void inc_progress_update(Pop3State *state, Pop3Phase phase)
 787 {
 788         gchar buf[MSGBUFSIZE];
 789         IncProgressDialog *inc_dialog = state->session->data;
 790         ProgressDialog *dialog = inc_dialog->dialog;
 791         gchar *total_size;
 792
 793         switch (phase) {
 794         case POP3_GREETING_RECV:
 795                 break;
 796         case POP3_GETAUTH_USER_SEND:
 797         case POP3_GETAUTH_USER_RECV:
 798         case POP3_GETAUTH_PASS_SEND:
 799         case POP3_GETAUTH_PASS_RECV:
 800         case POP3_GETAUTH_APOP_SEND:
 801         case POP3_GETAUTH_APOP_RECV:
 802                 progress_dialog_set_label(dialog, _("Authenticating..."));
 803                 break;
 804         case POP3_GETRANGE_STAT_SEND:
 805         case POP3_GETRANGE_STAT_RECV:
 806                 progress_dialog_set_label
 807                         (dialog, _("Getting the number of new messages (STAT)..."));
 808                 break;
 809         case POP3_GETRANGE_LAST_SEND:
 810         case POP3_GETRANGE_LAST_RECV:
 811                 progress_dialog_set_label
 812                         (dialog, _("Getting the number of new messages (LAST)..."));
 813                 break;
 814         case POP3_GETRANGE_UIDL_SEND:
 815         case POP3_GETRANGE_UIDL_RECV:
 816                 progress_dialog_set_label
 817                         (dialog, _("Getting the number of new messages (UIDL)..."));
 818                 break;
 819         case POP3_GETSIZE_LIST_SEND:
 820         case POP3_GETSIZE_LIST_RECV:
 821                 progress_dialog_set_label
 822                         (dialog, _("Getting the size of messages (LIST)..."));
 823                 break;
 824         case POP3_TOP_SEND:
 825         case POP3_TOP_RECV:
 826                 g_snprintf(buf, sizeof(buf),
 827                            _("Retrieving header (%d / %d)"),
 828                            state->cur_msg, state->count);
 829                 progress_dialog_set_label (dialog, buf);
 830                 progress_dialog_set_percentage
 831                         (dialog,
 832                          (gfloat)(state->cur_msg) /
 833                          (gfloat)(state->count));
 834                 gtk_progress_bar_update
 835                         (GTK_PROGRESS_BAR(inc_dialog->mainwin->progressbar),
 836                          (gfloat)(state->cur_msg) /
 837                          (gfloat)(state->count));
 838                 break;
 839         case POP3_RETR_SEND:
 840         case POP3_RETR_RECV:
 841                 Xstrdup_a(total_size, to_human_readable(state->total_bytes), return);
 842                 g_snprintf(buf, sizeof(buf),
 843                            _("Retrieving message (%d / %d) (%s / %s)"),
 844                            state->cur_msg, state->count,
 845                            to_human_readable(state->cur_total_bytes),
 846                            total_size);
 847                 progress_dialog_set_label(dialog, buf);
 848                 progress_dialog_set_percentage
 849                         (dialog,
 850                          (gfloat)(state->cur_total_bytes) /
 851                          (gfloat)(state->total_bytes));
 852                 gtk_progress_bar_update
 853                         (GTK_PROGRESS_BAR(inc_dialog->mainwin->progressbar),
 854                          (gfloat)(state->cur_total_bytes) /
 855                          (gfloat)(state->total_bytes));
 856                 break;
 857         case POP3_DELETE_SEND:
 858         case POP3_DELETE_RECV:
 859                 progress_dialog_set_label(dialog, _("Deleting message"));
 860                 break;
 861         case POP3_LOGOUT_SEND:
 862         case POP3_LOGOUT_RECV:
 863                 progress_dialog_set_label(dialog, _("Quitting"));
 864                 break;
 865         default:
 866                 break;
 867         }
 868 }
 869
 870 gint inc_drop_message(const gchar *file, Pop3State *state)
 871 {
 872         FolderItem *inbox;
 873         FolderItem *dropfolder;
 874         gint val;
 875         gint msgnum;
 876
 877         /* CLAWS: get default inbox (perhaps per account) */
 878         if (state->ac_prefs->inbox) {
 879                 /* CLAWS: get destination folder / mailbox */
 880                 inbox = folder_find_item_from_identifier(state->ac_prefs->inbox);
 881                 if (!inbox)
 882                         inbox = folder_get_default_inbox();
 883         } else
 884                 inbox = folder_get_default_inbox();
 885         if (!inbox) {
 886                 unlink(file);
 887                 return -1;
 888         }
 889
 890         /* CLAWS: claws uses a global .processing folder for the filtering. */
 891         if (global_processing == NULL) {
 892                 if (state->ac_prefs->filter_on_recv) {
 893                         dropfolder =
 894                                 filter_get_dest_folder(prefs_common.fltlist, file);
 895                         if (!dropfolder) dropfolder = inbox;
 896                         else if (!strcmp(dropfolder->path, FILTER_NOT_RECEIVE)) {
 897                                 g_warning(_("a message won't be received\n"));
 898                                 return 1;
 899                         }
 900                 } else
 901                         dropfolder = inbox;
 902         } else {
 903                 dropfolder = folder_get_default_processing();
 904         }
 905
 906         val = GPOINTER_TO_INT(g_hash_table_lookup
 907                               (state->folder_table, dropfolder));
 908         if (val == 0) {
 909                 folder_item_scan(dropfolder);
 910                 g_hash_table_insert(state->folder_table, dropfolder,
 911                                     GINT_TO_POINTER(1));
 912         }
 913
 914         /* add msg file to drop folder */
 915         if ((msgnum = folder_item_add_msg(dropfolder, file, TRUE)) < 0) {
 916                 unlink(file);
 917                 return -1;
 918         }
 919
 920         /* CLAWS: perform filtering actions on dropped message */
 921         if (global_processing != NULL) {
 922                 if (state->ac_prefs->filter_on_recv)
 923                         filter_message(global_processing, inbox, msgnum,
 924                                        state->folder_table);
 925         }
 926
 927         return 0;
 928 }
 929
 930 static void inc_put_error(IncState istate)
 931 {
 932         switch (istate) {
 933         case INC_ERROR:
 934                 if(!prefs_common.noerrorpanel) {
 935                         alertpanel_error(_("Error occurred while processing mail."));
 936                 }
 937                 break;
 938         case INC_NOSPACE:
 939                 alertpanel_error(_("No disk space left."));
 940                 break;
 941         default:
 942                 break;
 943         }
 944 }
 945
 946 static void inc_cancel(GtkWidget *widget, gpointer data)
 947 {
 948         IncProgressDialog *dialog = data;
 949         IncSession *session = dialog->queue_list->data;
 950         SockInfo *sockinfo = session->pop3_state->sockinfo;
 951
 952         if (!sockinfo || session->atm->terminated == TRUE) return;
 953
 954         session->pop3_state->inc_state = INC_CANCEL;
 955         pop3_automaton_terminate(sockinfo, session->atm);
 956         session->pop3_state->sockinfo = NULL;
 957 }
 958
 959 static gint inc_spool(void)
 960 {
 961         gchar *mbox, *logname;
 962         gint msgs;
 963
 964         logname = g_get_user_name();
 965         mbox = g_strconcat(prefs_common.spool_path
 966                            ? prefs_common.spool_path : DEFAULT_SPOOL_PATH,
 967                            G_DIR_SEPARATOR_S, logname, NULL);
 968         msgs = get_spool(folder_get_default_inbox(), mbox);
 969         g_free(mbox);
 970
 971         return msgs;
 972 }
 973
 974 static void inc_spool_account(PrefsAccount *account)
 975 {
 976         FolderItem *inbox;
 977         FolderItem *dropfolder;
 978         gint val;
 979
 980         if (account->inbox) {
 981                 inbox = folder_find_item_from_path(account->inbox);
 982                 if (!inbox)
 983                         inbox = folder_get_default_inbox();
 984         } else
 985                 inbox = folder_get_default_inbox();
 986
 987         get_spool(inbox, account->local_mbox);
 988 }
 989
 990 static void inc_all_spool(void)
 991 {
 992         GList *list = NULL;
 993
 994         list = account_get_list();
 995         if (!list) return;
 996
 997         for (; list != NULL; list = list->next) {
 998                 IncSession *session;
 999                 PrefsAccount *account = list->data;
1000
1001                 if (account->protocol == A_LOCAL)
1002                         inc_spool_account(account);
1003         }
1004 }
1005
1006 static gint get_spool(FolderItem *dest, const gchar *mbox)
1007 {
1008         gint msgs, size;
1009         gint lockfd;
1010         gchar tmp_mbox[MAXPATHLEN + 1];
1011         GHashTable *folder_table = NULL;
1012
1013         g_return_val_if_fail(dest != NULL, -1);
1014         g_return_val_if_fail(mbox != NULL, -1);
1015
1016         if (!is_file_exist(mbox) || (size = get_file_size(mbox)) == 0) {
1017                 debug_print(_("no messages in local mailbox.\n"));
1018                 return 0;
1019         } else if (size < 0)
1020                 return -1;
1021
1022         if ((lockfd = lock_mbox(mbox, LOCK_FLOCK)) < 0)
1023                 return -1;
1024
1025         g_snprintf(tmp_mbox, sizeof(tmp_mbox), "%s%ctmpmbox%d",
1026                    get_rc_dir(), G_DIR_SEPARATOR, (gint)mbox);
1027
1028         if (copy_mbox(mbox, tmp_mbox) < 0)
1029                 return -1;
1030
1031         debug_print(_("Getting new messages from %s into %s...\n"),
1032                     mbox, dest->path);
1033
1034         if (prefs_common.filter_on_inc)
1035                 folder_table = g_hash_table_new(NULL, NULL);
1036         msgs = proc_mbox(dest, tmp_mbox, folder_table);
1037
1038         unlink(tmp_mbox);
1039         if (msgs >= 0) empty_mbox(mbox);
1040         unlock_mbox(mbox, lockfd, LOCK_FLOCK);
1041
1042         if (folder_table) {
1043                 if (!prefs_common.scan_all_after_inc) {
1044                 g_hash_table_insert(folder_table, dest,
1045                                     GINT_TO_POINTER(1));
1046                         folder_item_scan_foreach(folder_table);
1047                         folderview_update_item_foreach(folder_table);
1048                 }
1049                 g_hash_table_destroy(folder_table);
1050         } else if (!prefs_common.scan_all_after_inc) {
1051                 folder_item_scan(dest);
1052                 folderview_update_item(dest, FALSE);
1053         }
1054
1055         return msgs;
1056 }
1057
1058 void inc_lock(void)
1059 {
1060         inc_lock_count++;
1061 }
1062
1063 void inc_unlock(void)
1064 {
1065         if (inc_lock_count > 0)
1066                 inc_lock_count--;
1067 }
1068
1069 static guint autocheck_timer = 0;
1070 static gpointer autocheck_data = NULL;
1071
1072 void inc_autocheck_timer_init(MainWindow *mainwin)
1073 {
1074         autocheck_data = mainwin;
1075         inc_autocheck_timer_set();
1076 }
1077
1078 static void inc_autocheck_timer_set_interval(guint interval)
1079 {
1080         inc_autocheck_timer_remove();
1081
1082         if (prefs_common.autochk_newmail && autocheck_data) {
1083                 autocheck_timer = gtk_timeout_add
1084                         (interval, inc_autocheck_func, autocheck_data);
1085                 debug_print("added timer = %d\n", autocheck_timer);
1086         }
1087 }
1088
1089 void inc_autocheck_timer_set(void)
1090 {
1091         inc_autocheck_timer_set_interval(prefs_common.autochk_itv * 60000);
1092 }
1093
1094 void inc_autocheck_timer_remove(void)
1095 {
1096         if (autocheck_timer) {
1097                 debug_print("removed timer = %d\n", autocheck_timer);
1098                 gtk_timeout_remove(autocheck_timer);
1099                 autocheck_timer = 0;
1100         }
1101 }
1102
1103 static gint inc_autocheck_func(gpointer data)
1104 {
1105         MainWindow *mainwin = (MainWindow *)data;
1106
1107         if (inc_lock_count) {
1108                 debug_print("autocheck is locked.\n");
1109                 inc_autocheck_timer_set_interval(1000);
1110                 return FALSE;
1111         }
1112
1113         inc_all_account_mail(mainwin);
1114
1115         return FALSE;
1116 }