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
 140         if (!new_messages && !prefs_common.scan_all_after_inc) return;
 141
 142         if (prefs_common.open_inbox_on_inc) {
 143                 item = cur_account && cur_account->inbox
 144                         ? folder_find_item_from_path(cur_account->inbox)
 145                         : folder_get_default_inbox();
 146                 folderview_unselect(mainwin->folderview);
 147                 folderview_select(mainwin->folderview, item);
 148         } else {
 149                 item = mainwin->summaryview->folder_item;
 150                 folderview_unselect(mainwin->folderview);
 151                 folderview_select(mainwin->folderview, item);
 152         }
 153 }
 154
 155 void inc_mail(MainWindow *mainwin)
 156 {
 157         gint new_msgs = 0;
 158
 159         if (inc_lock_count) return;
 160
 161         inc_autocheck_timer_remove();
 162         summary_write_cache(mainwin->summaryview);
 163         main_window_lock(mainwin);
 164
 165         if (prefs_common.use_extinc && prefs_common.extinc_cmd) {
 166                 /* external incorporating program */
 167                 if (execute_command_line(prefs_common.extinc_cmd, FALSE) < 0) {
 168                         main_window_unlock(mainwin);
 169                         inc_autocheck_timer_set();
 170                         return;
 171                 }
 172
 173                 if (prefs_common.inc_local)
 174                         new_msgs = inc_spool();
 175         } else {
 176                 if (prefs_common.inc_local)
 177                         new_msgs = inc_spool();
 178
 179                 new_msgs += inc_account_mail(cur_account, mainwin);
 180         }
 181
 182         inc_finished(mainwin, new_msgs > 0);
 183         main_window_unlock(mainwin);
 184         inc_autocheck_timer_set();
 185 }
 186
 187 static gint inc_account_mail(PrefsAccount *account, MainWindow *mainwin)
 188 {
 189         IncProgressDialog *inc_dialog;
 190         IncSession *session;
 191         gchar *text[3];
 192
 193         session = inc_session_new(account);
 194         if (!session) return 0;
 195
 196         inc_dialog = inc_progress_dialog_create();
 197         inc_dialog->queue_list = g_list_append(inc_dialog->queue_list, session);
 198         inc_dialog->mainwin = mainwin;
 199         session->data = inc_dialog;
 200
 201         text[0] = NULL;
 202         text[1] = account->account_name;
 203         text[2] = _("Standby");
 204         gtk_clist_append(GTK_CLIST(inc_dialog->dialog->clist), text);
 205
 206         return inc_start(inc_dialog);
 207 }
 208
 209 void inc_all_account_mail(MainWindow *mainwin)
 210 {
 211         GList *list, *queue_list = NULL;
 212         IncProgressDialog *inc_dialog;
 213         gint new_msgs = 0;
 214
 215         if (inc_lock_count) return;
 216
 217         inc_autocheck_timer_remove();
 218         summary_write_cache(mainwin->summaryview);
 219         main_window_lock(mainwin);
 220
 221         if (prefs_common.inc_local)
 222                 new_msgs = inc_spool();
 223
 224         list = account_get_list();
 225         if (!list) {
 226                 inc_finished(mainwin, new_msgs > 0);
 227                 main_window_unlock(mainwin);
 228                 inc_autocheck_timer_set();
 229                 return;
 230         }
 231
 232         for (; list != NULL; list = list->next) {
 233                 IncSession *session;
 234                 PrefsAccount *account = list->data;
 235
 236                 if (account->recv_at_getall) {
 237                         session = inc_session_new(account);
 238                         if (session)
 239                                 queue_list = g_list_append(queue_list, session);
 240                 }
 241         }
 242
 243         if (!queue_list) {
 244                 inc_finished(mainwin, new_msgs > 0);
 245                 main_window_unlock(mainwin);
 246                 inc_autocheck_timer_set();
 247                 return;
 248         }
 249
 250         inc_dialog = inc_progress_dialog_create();
 251         inc_dialog->queue_list = queue_list;
 252         inc_dialog->mainwin = mainwin;
 253         for (list = queue_list; list != NULL; list = list->next) {
 254                 IncSession *session = list->data;
 255                 gchar *text[3];
 256
 257                 session->data = inc_dialog;
 258
 259                 text[0] = NULL;
 260                 text[1] = session->pop3_state->ac_prefs->account_name;
 261                 text[2] = _("Standby");
 262                 gtk_clist_append(GTK_CLIST(inc_dialog->dialog->clist), text);
 263         }
 264
 265         new_msgs += inc_start(inc_dialog);
 266
 267         inc_finished(mainwin, new_msgs > 0);
 268         main_window_unlock(mainwin);
 269         inc_autocheck_timer_set();
 270 }
 271
 272 static IncProgressDialog *inc_progress_dialog_create(void)
 273 {
 274         IncProgressDialog *dialog;
 275         ProgressDialog *progress;
 276
 277         dialog = g_new0(IncProgressDialog, 1);
 278
 279         progress = progress_dialog_create();
 280         gtk_window_set_title(GTK_WINDOW(progress->window),
 281                              _("Retrieving new messages"));
 282         gtk_signal_connect(GTK_OBJECT(progress->cancel_btn), "clicked",
 283                            GTK_SIGNAL_FUNC(inc_cancel), dialog);
 284         gtk_signal_connect(GTK_OBJECT(progress->window), "delete_event",
 285                            GTK_SIGNAL_FUNC(gtk_true), NULL);
 286         /* manage_window_set_transient(GTK_WINDOW(progress->window)); */
 287
 288         progress_dialog_set_value(progress, 0.0);
 289
 290         PIXMAP_CREATE(progress->clist, okxpm, okxpmmask, complete_xpm);
 291         PIXMAP_CREATE(progress->clist,
 292                       currentxpm, currentxpmmask, continue_xpm);
 293         PIXMAP_CREATE(progress->clist, errorxpm, errorxpmmask, error_xpm);
 294
 295         if (prefs_common.recv_dialog_mode == RECV_DIALOG_ALWAYS ||
 296             (prefs_common.recv_dialog_mode == RECV_DIALOG_ACTIVE &&
 297              manage_window_get_focus_window())) {
 298                 dialog->show_dialog = TRUE;
 299                 gtk_widget_show_now(progress->window);
 300         }
 301
 302         dialog->dialog = progress;
 303         dialog->queue_list = NULL;
 304
 305         return dialog;
 306 }
 307
 308 static void inc_progress_dialog_clear(IncProgressDialog *inc_dialog)
 309 {
 310         progress_dialog_set_value(inc_dialog->dialog, 0.0);
 311         progress_dialog_set_label(inc_dialog->dialog, "");
 312         gtk_progress_bar_update
 313                 (GTK_PROGRESS_BAR(inc_dialog->mainwin->progressbar), 0.0);
 314 }
 315
 316 static void inc_progress_dialog_destroy(IncProgressDialog *inc_dialog)
 317 {
 318         g_return_if_fail(inc_dialog != NULL);
 319
 320         gtk_progress_bar_update
 321                 (GTK_PROGRESS_BAR(inc_dialog->mainwin->progressbar), 0.0);
 322         progress_dialog_destroy(inc_dialog->dialog);
 323
 324         g_free(inc_dialog);
 325 }
 326
 327 static IncSession *inc_session_new(PrefsAccount *account)
 328 {
 329         IncSession *session;
 330
 331         g_return_val_if_fail(account != NULL, NULL);
 332
 333         if (account->protocol != A_POP3 && account->protocol != A_APOP)
 334                 return NULL;
 335         if (!account->recv_server || !account->userid)
 336                 return NULL;
 337
 338         session = g_new0(IncSession, 1);
 339         session->pop3_state = inc_pop3_state_new(account);
 340         session->pop3_state->session = session;
 341
 342         return session;
 343 }
 344
 345 static void inc_session_destroy(IncSession *session)
 346 {
 347         g_return_if_fail(session != NULL);
 348
 349         inc_pop3_state_destroy(session->pop3_state);
 350         g_free(session);
 351 }
 352
 353 static Pop3State *inc_pop3_state_new(PrefsAccount *account)
 354 {
 355         Pop3State *state;
 356
 357         state = g_new0(Pop3State, 1);
 358
 359         state->ac_prefs = account;
 360         state->folder_table = g_hash_table_new(NULL, NULL);
 361         state->id_table = inc_get_uidl_table(account);
 362         state->id_list = NULL;
 363         state->new_id_list = NULL;
 364         state->inc_state = INC_SUCCESS;
 365
 366         return state;
 367 }
 368
 369 static void inc_pop3_state_destroy(Pop3State *state)
 370 {
 371         g_hash_table_destroy(state->folder_table);
 372         g_free(state->sizes);
 373
 374         if (state->id_table) {
 375                 hash_free_strings(state->id_table);
 376                 g_hash_table_destroy(state->id_table);
 377         }
 378         slist_free_strings(state->id_list);
 379         slist_free_strings(state->new_id_list);
 380         g_slist_free(state->id_list);
 381         g_slist_free(state->new_id_list);
 382
 383         g_free(state->greeting);
 384         g_free(state->user);
 385         g_free(state->pass);
 386         g_free(state->prev_folder);
 387
 388         g_free(state);
 389 }
 390
 391 static gint inc_start(IncProgressDialog *inc_dialog)
 392 {
 393         IncSession *session;
 394         GtkCList *clist = GTK_CLIST(inc_dialog->dialog->clist);
 395         Pop3State *pop3_state;
 396         IncState inc_state;
 397         gint num = 0;
 398         gint error_num = 0;
 399         gint new_msgs = 0;
 400
 401         while (inc_dialog->queue_list != NULL) {
 402                 session = inc_dialog->queue_list->data;
 403                 pop3_state = session->pop3_state;
 404
 405                 inc_progress_dialog_clear(inc_dialog);
 406
 407                 gtk_clist_moveto(clist, num, -1, 1.0, 0.0);
 408
 409                 pop3_state->user = g_strdup(pop3_state->ac_prefs->userid);
 410                 if (pop3_state->ac_prefs->passwd)
 411                         pop3_state->pass =
 412                                 g_strdup(pop3_state->ac_prefs->passwd);
 413                 else if (pop3_state->ac_prefs->tmp_pass)
 414                         pop3_state->pass =
 415                                 g_strdup(pop3_state->ac_prefs->tmp_pass);
 416                 else {
 417                         gchar *pass;
 418                         gchar *message;
 419
 420                         message = g_strdup_printf
 421                                 (_("Input password for %s on %s:"),
 422                                  pop3_state->user,
 423                                  pop3_state->ac_prefs->recv_server);
 424
 425                         pass = input_dialog_with_invisible(_("Input password"),
 426                                                            message, NULL);
 427                         g_free(message);
 428                         if (inc_dialog->show_dialog)
 429                                 manage_window_focus_in
 430                                         (inc_dialog->mainwin->window,
 431                                          NULL, NULL);
 432                         if (pass) {
 433                                 pop3_state->ac_prefs->tmp_pass = g_strdup(pass);
 434                                 pop3_state->pass = pass;
 435                         } else {
 436                                 inc_session_destroy(session);
 437                                 inc_dialog->queue_list = g_list_remove
 438                                         (inc_dialog->queue_list, session);
 439                                 continue;
 440                         }
 441                 }
 442
 443                 gtk_clist_set_pixmap(clist, num, 0, currentxpm, currentxpmmask);
 444                 gtk_clist_set_text(clist, num, 2, _("Retrieving"));
 445
 446                 /* begin POP3 session */
 447                 inc_state = inc_pop3_session_do(session);
 448
 449                 if (inc_state == INC_SUCCESS) {
 450                         gtk_clist_set_pixmap(clist, num, 0, okxpm, okxpmmask);
 451                         gtk_clist_set_text(clist, num, 2, _("Done"));
 452                 } else if (inc_state == INC_CANCEL) {
 453                         gtk_clist_set_pixmap(clist, num, 0, okxpm, okxpmmask);
 454                         gtk_clist_set_text(clist, num, 2, _("Cancelled"));
 455                 } else {
 456                         gtk_clist_set_pixmap(clist, num, 0, errorxpm, errorxpmmask);
 457                         if (inc_state == INC_CONNECT_ERROR)
 458                                 gtk_clist_set_text(clist, num, 2,
 459                                                    _("Connection failed"));
 460                         else if (inc_state == INC_AUTH_FAILED)
 461                                 gtk_clist_set_text(clist, num, 2,
 462                                                    _("Auth failed"));
 463                         else
 464                                 gtk_clist_set_text(clist, num, 2, _("Error"));
 465                 }
 466
 467                 if (pop3_state->error_val == PS_AUTHFAIL) {
 468                         if(!prefs_common.noerrorpanel) {
 469                                 if((prefs_common.recv_dialog_mode == RECV_DIALOG_ALWAYS) ||
 470                                     ((prefs_common.recv_dialog_mode == RECV_DIALOG_ACTIVE) && focus_window)) {
 471                                         manage_window_focus_in(inc_dialog->dialog->window, NULL, NULL);
 472                                 }
 473                                 alertpanel_error
 474                                         (_("Authorization for %s on %s failed"),
 475                                          pop3_state->user,
 476                                          pop3_state->ac_prefs->recv_server);
 477                         }
 478                 }
 479
 480                 statusbar_pop_all();
 481
 482                 new_msgs += pop3_state->cur_total_num;
 483
 484                 if (!prefs_common.scan_all_after_inc) {
 485                         folder_item_scan_foreach(pop3_state->folder_table);
 486                         folderview_update_item_foreach
 487                                 (pop3_state->folder_table);
 488                 }
 489
 490                 if (pop3_state->error_val == PS_AUTHFAIL &&
 491                     pop3_state->ac_prefs->tmp_pass) {
 492                         g_free(pop3_state->ac_prefs->tmp_pass);
 493                         pop3_state->ac_prefs->tmp_pass = NULL;
 494                 }
 495
 496                 inc_write_uidl_list(pop3_state);
 497
 498                 if (inc_state != INC_SUCCESS && inc_state != INC_CANCEL) {
 499                         error_num++;
 500                         if (inc_state == INC_NOSPACE) {
 501                                 inc_put_error(inc_state);
 502                                 break;
 503                         }
 504                 }
 505
 506                 inc_session_destroy(session);
 507                 inc_dialog->queue_list =
 508                         g_list_remove(inc_dialog->queue_list, session);
 509
 510                 num++;
 511         }
 512
 513         if (error_num && !prefs_common.noerrorpanel) {
 514                 if (inc_dialog->show_dialog)
 515                         manage_window_focus_in(inc_dialog->dialog->window,
 516                                                NULL, NULL);
 517                 alertpanel_error(_("Some errors occured while getting mail."));
 518                 if (inc_dialog->show_dialog)
 519                         manage_window_focus_out(inc_dialog->dialog->window,
 520                                                 NULL, NULL);
 521         }
 522
 523         while (inc_dialog->queue_list != NULL) {
 524                 session = inc_dialog->queue_list->data;
 525                 inc_session_destroy(session);
 526                 inc_dialog->queue_list =
 527                         g_list_remove(inc_dialog->queue_list, session);
 528         }
 529
 530         inc_progress_dialog_destroy(inc_dialog);
 531
 532         return new_msgs;
 533 }
 534
 535 static IncState inc_pop3_session_do(IncSession *session)
 536 {
 537         Pop3State *pop3_state = session->pop3_state;
 538         IncProgressDialog *inc_dialog = (IncProgressDialog *)session->data;
 539         Automaton *atm;
 540         SockInfo *sockinfo;
 541         gint i;
 542         gchar *server;
 543         gushort port;
 544         gchar *buf;
 545         static AtmHandler handlers[] = {
 546                 pop3_greeting_recv      ,
 547                 pop3_getauth_user_send  , pop3_getauth_user_recv,
 548                 pop3_getauth_pass_send  , pop3_getauth_pass_recv,
 549                 pop3_getauth_apop_send  , pop3_getauth_apop_recv,
 550                 pop3_getrange_stat_send , pop3_getrange_stat_recv,
 551                 pop3_getrange_last_send , pop3_getrange_last_recv,
 552                 pop3_getrange_uidl_send , pop3_getrange_uidl_recv,
 553                 pop3_getsize_list_send  , pop3_getsize_list_recv,
 554                 pop3_retr_send          , pop3_retr_recv,
 555                 pop3_delete_send        , pop3_delete_recv,
 556                 pop3_logout_send        , pop3_logout_recv
 557         };
 558
 559         debug_print(_("getting new messages of account %s...\n"),
 560                     pop3_state->ac_prefs->account_name);
 561
 562         atm = automaton_create(N_POP3_PHASE);
 563
 564         session->atm = atm;
 565         atm->data = pop3_state;
 566
 567         buf = g_strdup_printf(_("%s: Retrieving new messages"),
 568                               pop3_state->ac_prefs->recv_server);
 569         gtk_window_set_title(GTK_WINDOW(inc_dialog->dialog->window), buf);
 570         g_free(buf);
 571
 572         for (i = POP3_GREETING_RECV; i < N_POP3_PHASE; i++)
 573                 atm->state[i].handler = handlers[i];
 574         atm->state[POP3_GREETING_RECV].condition = GDK_INPUT_READ;
 575         for (i = POP3_GETAUTH_USER_SEND; i < N_POP3_PHASE; ) {
 576                 atm->state[i++].condition = GDK_INPUT_WRITE;
 577                 atm->state[i++].condition = GDK_INPUT_READ;
 578         }
 579
 580         atm->terminate = (AtmHandler)pop3_automaton_terminate;
 581
 582         atm->num = POP3_GREETING_RECV;
 583
 584         server = pop3_state->ac_prefs->recv_server;
 585 #if USE_SSL
 586         port = pop3_state->ac_prefs->set_popport ?
 587                 pop3_state->ac_prefs->popport :
 588                 pop3_state->ac_prefs->ssl_pop ? 995 : 110;
 589 #else
 590         port = pop3_state->ac_prefs->set_popport ?
 591                 pop3_state->ac_prefs->popport : 110;
 592 #endif
 593
 594         buf = g_strdup_printf(_("Connecting to POP3 server: %s ..."), server);
 595         log_message("%s\n", buf);
 596         progress_dialog_set_label(inc_dialog->dialog, buf);
 597         g_free(buf);
 598         GTK_EVENTS_FLUSH();
 599         statusbar_pop_all();
 600
 601 #if USE_THREADS
 602         if ((sockinfo = sock_connect_with_thread(server, port)) == NULL) {
 603 #else
 604         if ((sockinfo = sock_connect(server, port)) == NULL) {
 605 #endif
 606                 log_warning(_("Can't connect to POP3 server: %s:%d\n"),
 607                             server, port);
 608                 if(!prefs_common.noerrorpanel) {
 609                         if((prefs_common.recv_dialog_mode == RECV_DIALOG_ALWAYS) ||
 610                             ((prefs_common.recv_dialog_mode == RECV_DIALOG_ACTIVE) && focus_window)) {
 611                                 manage_window_focus_in(inc_dialog->dialog->window, NULL, NULL);
 612                         }
 613                         alertpanel_error(_("Can't connect to POP3 server: %s:%d"),
 614                                          server, port);
 615                         manage_window_focus_out(inc_dialog->dialog->window, NULL, NULL);
 616                 }
 617                 pop3_automaton_terminate(NULL, atm);
 618                 automaton_destroy(atm);
 619                 return INC_CONNECT_ERROR;
 620         }
 621
 622 #if USE_SSL
 623         if (pop3_state->ac_prefs->ssl_pop && !ssl_init_socket(sockinfo)) {
 624                 pop3_automaton_terminate(NULL, atm);
 625                 automaton_destroy(atm);
 626                 return INC_CONNECT_ERROR;
 627         }
 628 #endif
 629
 630         /* :WK: Hmmm, with the later sock_gdk_input, we have 2 references
 631          * to the sock structure - implement a reference counter?? */
 632         pop3_state->sockinfo = sockinfo;
 633         atm->help_sock = sockinfo;
 634
 635         log_verbosity_set(TRUE);
 636         recv_set_ui_func(inc_pop3_recv_func, session);
 637
 638 #if USE_THREADS
 639         atm->timeout_tag = gtk_timeout_add
 640                 (TIMEOUT_ITV, (GtkFunction)connection_check_cb, atm);
 641 #else
 642         atm->tag = sock_gdk_input_add(sockinfo,
 643                                       atm->state[atm->num].condition,
 644                                       automaton_input_cb, atm);
 645 #endif
 646
 647         while (!atm->terminated)
 648                 gtk_main_iteration();
 649
 650         log_verbosity_set(FALSE);
 651         recv_set_ui_func(NULL, NULL);
 652
 653 #if USE_THREADS
 654         /* pthread_join(sockinfo->connect_thr, NULL); */
 655 #endif
 656         automaton_destroy(atm);
 657
 658         return pop3_state->inc_state;
 659 }
 660
 661 static gint pop3_automaton_terminate(SockInfo *source, Automaton *atm)
 662 {
 663         if (atm->terminated) return 0;
 664
 665         if (atm->tag > 0) {
 666                 gdk_input_remove(atm->tag);
 667                 atm->tag = 0;
 668         }
 669         if (atm->timeout_tag > 0) {
 670                 gtk_timeout_remove(atm->timeout_tag);
 671                 atm->timeout_tag = 0;
 672         }
 673         if (source)
 674                 sock_close(source);
 675
 676         atm->terminated = TRUE;
 677
 678         return 0;
 679 }
 680
 681 static GHashTable *inc_get_uidl_table(PrefsAccount *ac_prefs)
 682 {
 683         GHashTable *table;
 684         gchar *path;
 685         FILE *fp;
 686         gchar buf[IDLEN + 3];
 687
 688         path = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S,
 689                            "uidl-", ac_prefs->recv_server,
 690                            "-", ac_prefs->userid, NULL);
 691         if ((fp = fopen(path, "r")) == NULL) {
 692                 if (ENOENT != errno) FILE_OP_ERROR(path, "fopen");
 693                 g_free(path);
 694                 return NULL;
 695         }
 696         g_free(path);
 697
 698         table = g_hash_table_new(g_str_hash, g_str_equal);
 699
 700         while (fgets(buf, sizeof(buf), fp) != NULL) {
 701                 strretchomp(buf);
 702                 g_hash_table_insert(table, g_strdup(buf), GINT_TO_POINTER(1));
 703         }
 704
 705         fclose(fp);
 706
 707         return table;
 708 }
 709
 710 static void inc_write_uidl_list(Pop3State *state)
 711 {
 712         gchar *path;
 713         FILE *fp;
 714         GSList *cur;
 715
 716         if (!state->id_list) return;
 717
 718         path = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S,
 719                            "uidl-", state->ac_prefs->recv_server,
 720                            "-", state->user, NULL);
 721         if ((fp = fopen(path, "w")) == NULL) {
 722                 FILE_OP_ERROR(path, "fopen");
 723                 g_free(path);
 724                 return;
 725         }
 726
 727         for (cur = state->id_list; cur != NULL; cur = cur->next) {
 728                 if (fputs((gchar *)cur->data, fp) == EOF) {
 729                         FILE_OP_ERROR(path, "fputs");
 730                         break;
 731                 }
 732                 if (fputc('\n', fp) == EOF) {
 733                         FILE_OP_ERROR(path, "fputc");
 734                         break;
 735                 }
 736         }
 737
 738         if (fclose(fp) == EOF) FILE_OP_ERROR(path, "fclose");
 739         g_free(path);
 740 }
 741
 742 #if USE_THREADS
 743 static gint connection_check_cb(Automaton *atm)
 744 {
 745         Pop3State *state = atm->data;
 746         IncProgressDialog *inc_dialog = state->session->data;
 747         SockInfo *sockinfo = state->sockinfo;
 748
 749         /* g_print("connection check\n"); */
 750
 751         if (sockinfo->state == CONN_LOOKUPFAILED ||
 752             sockinfo->state == CONN_FAILED) {
 753                 atm->timeout_tag = 0;
 754                 log_warning(_("Can't connect to POP3 server: %s:%d\n"),
 755                             sockinfo->hostname, sockinfo->port);
 756                 if(!prefs_common.noerrorpanel) {
 757                         if((prefs_common.recv_dialog_mode == RECV_DIALOG_ALWAYS) ||
 758                             ((prefs_common.recv_dialog_mode == RECV_DIALOG_ACTIVE) && focus_window)) {
 759                                 manage_window_focus_in(inc_dialog->dialog->window, NULL, NULL);
 760                         }
 761                         alertpanel_error(_("Can't connect to POP3 server: %s:%d"),
 762                                          sockinfo->hostname, sockinfo->port);
 763                         manage_window_focus_out(inc_dialog->dialog->window, NULL, NULL);
 764                 }
 765                 pop3_automaton_terminate(sockinfo, atm);
 766                 state->sockinfo = NULL;
 767                 return FALSE;
 768         } else if (sockinfo->state == CONN_ESTABLISHED) {
 769                 atm->timeout_tag = 0;
 770                 atm->tag = sock_gdk_input_add(sockinfo,
 771                                               atm->state[atm->num].condition,
 772                                               automaton_input_cb, atm);
 773                 return FALSE;
 774         } else {
 775                 return TRUE;
 776         }
 777 }
 778 #endif
 779
 780 static void inc_pop3_recv_func(SockInfo *sock, gint count, gint read_bytes,
 781                                gpointer data)
 782 {
 783         gchar buf[MSGBUFSIZE];
 784         IncSession *session = (IncSession *)data;
 785         Pop3State *state = session->pop3_state;
 786         IncProgressDialog *inc_dialog = session->data;
 787         ProgressDialog *dialog = inc_dialog->dialog;
 788         gint cur_total;
 789         gchar *total_size;
 790
 791         cur_total = state->cur_total_bytes + read_bytes;
 792         if (cur_total > state->total_bytes)
 793                 cur_total = state->total_bytes;
 794
 795         Xstrdup_a(total_size, to_human_readable(state->total_bytes), return);
 796         g_snprintf(buf, sizeof(buf),
 797                    _("Retrieving message (%d / %d) (%s / %s)"),
 798                    state->cur_msg, state->count,
 799                    to_human_readable(cur_total), total_size);
 800         progress_dialog_set_label(dialog, buf);
 801
 802         progress_dialog_set_percentage
 803                 (dialog, (gfloat)cur_total / (gfloat)state->total_bytes);
 804         gtk_progress_bar_update
 805                 (GTK_PROGRESS_BAR(inc_dialog->mainwin->progressbar),
 806                  (gfloat)cur_total / (gfloat)state->total_bytes);
 807         GTK_EVENTS_FLUSH();
 808 }
 809
 810 void inc_progress_update(Pop3State *state, Pop3Phase phase)
 811 {
 812         gchar buf[MSGBUFSIZE];
 813         IncProgressDialog *inc_dialog = state->session->data;
 814         ProgressDialog *dialog = inc_dialog->dialog;
 815         gchar *total_size;
 816
 817         switch (phase) {
 818         case POP3_GREETING_RECV:
 819                 break;
 820         case POP3_GETAUTH_USER_SEND:
 821         case POP3_GETAUTH_USER_RECV:
 822         case POP3_GETAUTH_PASS_SEND:
 823         case POP3_GETAUTH_PASS_RECV:
 824         case POP3_GETAUTH_APOP_SEND:
 825         case POP3_GETAUTH_APOP_RECV:
 826                 progress_dialog_set_label(dialog, _("Authenticating..."));
 827                 break;
 828         case POP3_GETRANGE_STAT_SEND:
 829         case POP3_GETRANGE_STAT_RECV:
 830                 progress_dialog_set_label
 831                         (dialog, _("Getting the number of new messages (STAT)..."));
 832                 break;
 833         case POP3_GETRANGE_LAST_SEND:
 834         case POP3_GETRANGE_LAST_RECV:
 835                 progress_dialog_set_label
 836                         (dialog, _("Getting the number of new messages (LAST)..."));
 837                 break;
 838         case POP3_GETRANGE_UIDL_SEND:
 839         case POP3_GETRANGE_UIDL_RECV:
 840                 progress_dialog_set_label
 841                         (dialog, _("Getting the number of new messages (UIDL)..."));
 842                 break;
 843         case POP3_GETSIZE_LIST_SEND:
 844         case POP3_GETSIZE_LIST_RECV:
 845                 progress_dialog_set_label
 846                         (dialog, _("Getting the size of messages (LIST)..."));
 847                 break;
 848         case POP3_RETR_SEND:
 849         case POP3_RETR_RECV:
 850                 Xstrdup_a(total_size, to_human_readable(state->total_bytes), return);
 851                 g_snprintf(buf, sizeof(buf),
 852                            _("Retrieving message (%d / %d) (%s / %s)"),
 853                            state->cur_msg, state->count,
 854                            to_human_readable(state->cur_total_bytes),
 855                            total_size);
 856                 progress_dialog_set_label(dialog, buf);
 857                 progress_dialog_set_percentage
 858                         (dialog,
 859                          (gfloat)(state->cur_total_bytes) /
 860                          (gfloat)(state->total_bytes));
 861                 gtk_progress_bar_update
 862                         (GTK_PROGRESS_BAR(inc_dialog->mainwin->progressbar),
 863                          (gfloat)(state->cur_total_bytes) /
 864                          (gfloat)(state->total_bytes));
 865                 break;
 866         case POP3_DELETE_SEND:
 867         case POP3_DELETE_RECV:
 868                 progress_dialog_set_label(dialog, _("Deleting message"));
 869                 break;
 870         case POP3_LOGOUT_SEND:
 871         case POP3_LOGOUT_RECV:
 872                 progress_dialog_set_label(dialog, _("Quitting"));
 873                 break;
 874         default:
 875                 break;
 876         }
 877 }
 878
 879 gint inc_drop_message(const gchar *file, Pop3State *state)
 880 {
 881         FolderItem *inbox;
 882         FolderItem *dropfolder;
 883         gint val;
 884         gint msgnum;
 885
 886         /* get default inbox (perhaps per account) */
 887         if (state->ac_prefs->inbox) {
 888                 inbox = folder_find_item_from_path(state->ac_prefs->inbox);
 889                 if (!inbox)
 890                         inbox = folder_get_default_inbox();
 891         } else
 892                 inbox = folder_get_default_inbox();
 893         if (!inbox) {
 894                 unlink(file);
 895                 return -1;
 896         }
 897
 898         if (global_processing == NULL) {
 899                 /* old filtering */
 900                 if (state->ac_prefs->filter_on_recv) {
 901                         dropfolder =
 902                                 filter_get_dest_folder(prefs_common.fltlist, file);
 903                         if (!dropfolder) dropfolder = inbox;
 904                         else if (!strcmp(dropfolder->path, FILTER_NOT_RECEIVE)) {
 905                                 g_warning(_("a message won't be received\n"));
 906                                 return 1;
 907                         }
 908                 } else
 909                         dropfolder = inbox;
 910         } else {
 911                 /* CLAWS: new filtering */
 912                 dropfolder = folder_get_default_processing();
 913         }
 914
 915         val = GPOINTER_TO_INT(g_hash_table_lookup
 916                               (state->folder_table, dropfolder));
 917         if (val == 0) {
 918                 folder_item_scan(dropfolder);
 919                 g_hash_table_insert(state->folder_table, dropfolder,
 920                                     GINT_TO_POINTER(1));
 921         }
 922
 923         /* add msg file to drop folder */
 924         if ((msgnum = folder_item_add_msg(dropfolder, file, TRUE)) < 0) {
 925                 unlink(file);
 926                 return -1;
 927         }
 928
 929         /* CLAWS: perform filtering actions on dropped message */
 930         if (global_processing != NULL) {
 931                 if (state->ac_prefs->filter_on_recv)
 932                         filter_message(global_processing, inbox, msgnum,
 933                                        state->folder_table);
 934         }
 935
 936         return 0;
 937 }
 938
 939 static void inc_put_error(IncState istate)
 940 {
 941         switch (istate) {
 942         case INC_ERROR:
 943                 if(!prefs_common.noerrorpanel) {
 944                         alertpanel_error(_("Error occurred while processing mail."));
 945                 }
 946                 break;
 947         case INC_NOSPACE:
 948                 alertpanel_error(_("No disk space left."));
 949                 break;
 950         default:
 951                 break;
 952         }
 953 }
 954
 955 static void inc_cancel(GtkWidget *widget, gpointer data)
 956 {
 957         IncProgressDialog *dialog = data;
 958         IncSession *session = dialog->queue_list->data;
 959         SockInfo *sockinfo = session->pop3_state->sockinfo;
 960
 961         if (!sockinfo || session->atm->terminated == TRUE) return;
 962
 963 #if USE_THREADS
 964         if (sockinfo->state == CONN_READY ||
 965             sockinfo->state == CONN_LOOKUPSUCCESS) {
 966                 pthread_cancel(sockinfo->connect_thr);
 967                 /* pthread_kill(sockinfo->connect_thr, SIGINT); */
 968                 g_print("connection was cancelled.\n");
 969         }
 970 #endif
 971
 972         session->pop3_state->inc_state = INC_CANCEL;
 973         pop3_automaton_terminate(sockinfo, session->atm);
 974         session->pop3_state->sockinfo = NULL;
 975 }
 976
 977 static gint inc_spool(void)
 978 {
 979         gchar *mbox, *logname;
 980         gint msgs;
 981
 982         logname = g_get_user_name();
 983         mbox = g_strconcat(prefs_common.spool_path
 984                            ? prefs_common.spool_path : DEFAULT_SPOOL_PATH,
 985                            G_DIR_SEPARATOR_S, logname, NULL);
 986         msgs = get_spool(folder_get_default_inbox(), mbox);
 987         g_free(mbox);
 988
 989         return msgs;
 990 }
 991
 992 static void inc_spool_account(PrefsAccount *account)
 993 {
 994         FolderItem *inbox;
 995         FolderItem *dropfolder;
 996         gint val;
 997
 998         if (account->inbox) {
 999                 inbox = folder_find_item_from_path(account->inbox);
1000                 if (!inbox)
1001                         inbox = folder_get_default_inbox();
1002         } else
1003                 inbox = folder_get_default_inbox();
1004
1005         get_spool(inbox, account->local_mbox);
1006 }
1007
1008 static void inc_all_spool(void)
1009 {
1010         GList *list = NULL;
1011
1012         list = account_get_list();
1013         if (!list) return;
1014
1015         for (; list != NULL; list = list->next) {
1016                 IncSession *session;
1017                 PrefsAccount *account = list->data;
1018
1019                 if (account->protocol == A_LOCAL)
1020                         inc_spool_account(account);
1021         }
1022 }
1023
1024 static gint get_spool(FolderItem *dest, const gchar *mbox)
1025 {
1026         gint msgs, size;
1027         gint lockfd;
1028         gchar tmp_mbox[MAXPATHLEN + 1];
1029         GHashTable *folder_table = NULL;
1030
1031         g_return_val_if_fail(dest != NULL, -1);
1032         g_return_val_if_fail(mbox != NULL, -1);
1033
1034         if (!is_file_exist(mbox) || (size = get_file_size(mbox)) == 0) {
1035                 debug_print(_("no messages in local mailbox.\n"));
1036                 return 0;
1037         } else if (size < 0)
1038                 return -1;
1039
1040         if ((lockfd = lock_mbox(mbox, LOCK_FLOCK)) < 0)
1041                 return -1;
1042
1043         g_snprintf(tmp_mbox, sizeof(tmp_mbox), "%s%ctmpmbox%d",
1044                    get_rc_dir(), G_DIR_SEPARATOR, (gint)mbox);
1045
1046         if (copy_mbox(mbox, tmp_mbox) < 0)
1047                 return -1;
1048
1049         debug_print(_("Getting new messages from %s into %s...\n"),
1050                     mbox, dest->path);
1051
1052         if (prefs_common.filter_on_inc)
1053                 folder_table = g_hash_table_new(NULL, NULL);
1054         msgs = proc_mbox(dest, tmp_mbox, folder_table);
1055
1056         unlink(tmp_mbox);
1057         if (msgs >= 0) empty_mbox(mbox);
1058         unlock_mbox(mbox, lockfd, LOCK_FLOCK);
1059
1060         if (folder_table) {
1061                 if (!prefs_common.scan_all_after_inc) {
1062                 g_hash_table_insert(folder_table, dest,
1063                                     GINT_TO_POINTER(1));
1064                         folder_item_scan_foreach(folder_table);
1065                         folderview_update_item_foreach(folder_table);
1066                 }
1067                 g_hash_table_destroy(folder_table);
1068         } else if (!prefs_common.scan_all_after_inc) {
1069                 folder_item_scan(dest);
1070                 folderview_update_item(dest, FALSE);
1071         }
1072
1073         return msgs;
1074 }
1075
1076 void inc_lock(void)
1077 {
1078         inc_lock_count++;
1079 }
1080
1081 void inc_unlock(void)
1082 {
1083         if (inc_lock_count > 0)
1084                 inc_lock_count--;
1085 }
1086
1087 static guint autocheck_timer = 0;
1088 static gpointer autocheck_data = NULL;
1089
1090 void inc_autocheck_timer_init(MainWindow *mainwin)
1091 {
1092         autocheck_data = mainwin;
1093         inc_autocheck_timer_set();
1094 }
1095
1096 static void inc_autocheck_timer_set_interval(guint interval)
1097 {
1098         inc_autocheck_timer_remove();
1099
1100         if (prefs_common.autochk_newmail && autocheck_data) {
1101                 autocheck_timer = gtk_timeout_add
1102                         (interval, inc_autocheck_func, autocheck_data);
1103                 debug_print("added timer = %d\n", autocheck_timer);
1104         }
1105 }
1106
1107 void inc_autocheck_timer_set(void)
1108 {
1109         inc_autocheck_timer_set_interval(prefs_common.autochk_itv * 60000);
1110 }
1111
1112 void inc_autocheck_timer_remove(void)
1113 {
1114         if (autocheck_timer) {
1115                 debug_print("removed timer = %d\n", autocheck_timer);
1116                 gtk_timeout_remove(autocheck_timer);
1117                 autocheck_timer = 0;
1118         }
1119 }
1120
1121 static gint inc_autocheck_func(gpointer data)
1122 {
1123         MainWindow *mainwin = (MainWindow *)data;
1124
1125         if (inc_lock_count) {
1126                 debug_print("autocheck is locked.\n");
1127                 inc_autocheck_timer_set_interval(1000);
1128                 return FALSE;
1129         }
1130
1131         inc_all_account_mail(mainwin);
1132
1133         return FALSE;
1134 }