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 "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
  68 static guint inc_lock_count = 0;
  69
  70 static GdkPixmap *currentxpm;
  71 static GdkBitmap *currentxpmmask;
  72 static GdkPixmap *errorxpm;
  73 static GdkBitmap *errorxpmmask;
  74 static GdkPixmap *okxpm;
  75 static GdkBitmap *okxpmmask;
  76
  77 #define MSGBUFSIZE      8192
  78
  79 static void inc_finished                (MainWindow             *mainwin,
  80                                          gboolean                new_messages);
  81 static gint inc_account_mail            (PrefsAccount           *account,
  82                                          MainWindow             *mainwin);
  83
  84 static IncProgressDialog *inc_progress_dialog_create    (void);
  85 static void inc_progress_dialog_destroy (IncProgressDialog      *inc_dialog);
  86
  87 static IncSession *inc_session_new      (PrefsAccount           *account);
  88 static void inc_session_destroy         (IncSession             *session);
  89 static Pop3State *inc_pop3_state_new    (PrefsAccount           *account);
  90 static void inc_pop3_state_destroy      (Pop3State              *state);
  91 static gint inc_start                   (IncProgressDialog      *inc_dialog);
  92 static IncState inc_pop3_session_do     (IncSession             *session);
  93 static gint pop3_automaton_terminate    (SockInfo               *source,
  94                                          Automaton              *atm);
  95
  96 static GHashTable *inc_get_uidl_table   (PrefsAccount           *ac_prefs);
  97 static void inc_write_uidl_list         (Pop3State              *state);
  98
  99 #if USE_THREADS
 100 static gint connection_check_cb         (Automaton      *atm);
 101 #endif
 102
 103 static void inc_pop3_recv_func          (SockInfo       *sock,
 104                                          gint            count,
 105                                          gint            read_bytes,
 106                                          gpointer        data);
 107
 108 static void inc_put_error               (IncState        istate);
 109
 110 static void inc_cancel                  (GtkWidget      *widget,
 111                                          gpointer        data);
 112
 113 static gint inc_spool                   (void);
 114 static gint get_spool                   (FolderItem     *dest,
 115                                          const gchar    *mbox);
 116
 117 static void inc_all_spool(void);
 118 static void inc_autocheck_timer_set_interval    (guint           interval);
 119 static gint inc_autocheck_func                  (gpointer        data);
 120
 121 /**
 122  * inc_finished:
 123  * @mainwin: Main window.
 124  * @new_messages: TRUE if some messages have been received.
 125  *
 126  * Update the folder view and the summary view after receiving
 127  * messages.  If @new_messages is FALSE, this function avoids unneeded
 128  * updating.
 129  **/
 130 static void inc_finished(MainWindow *mainwin, gboolean new_messages)
 131 {
 132         FolderItem *item;
 133
 134         if (prefs_common.scan_all_after_inc)
 135                 folderview_update_all_node();
 136
 137         if (!new_messages && !prefs_common.scan_all_after_inc) return;
 138
 139         if (prefs_common.open_inbox_on_inc) {
 140                 item = cur_account && cur_account->inbox
 141                         ? folder_find_item_from_path(cur_account->inbox)
 142                         : folder_get_default_inbox();
 143                 folderview_unselect(mainwin->folderview);
 144                 folderview_select(mainwin->folderview, item);
 145         } else {
 146                 item = mainwin->summaryview->folder_item;
 147                 folderview_unselect(mainwin->folderview);
 148                 folderview_select(mainwin->folderview, item);
 149         }
 150 }
 151
 152 void inc_mail(MainWindow *mainwin)
 153 {
 154         gint new_msgs = 0;
 155
 156         if (inc_lock_count) return;
 157
 158         inc_autocheck_timer_remove();
 159         summary_write_cache(mainwin->summaryview);
 160         main_window_lock(mainwin);
 161
 162         if (prefs_common.use_extinc && prefs_common.extinc_cmd) {
 163                 /* external incorporating program */
 164                 if (execute_command_line(prefs_common.extinc_cmd, FALSE) < 0) {
 165                         main_window_unlock(mainwin);
 166                         inc_autocheck_timer_set();
 167                         return;
 168                 }
 169
 170                 if (prefs_common.inc_local)
 171                         new_msgs = inc_spool();
 172         } else {
 173                 if (prefs_common.inc_local)
 174                         new_msgs = inc_spool();
 175
 176                 new_msgs += inc_account_mail(cur_account, mainwin);
 177         }
 178
 179         inc_finished(mainwin, new_msgs > 0);
 180         main_window_unlock(mainwin);
 181         inc_autocheck_timer_set();
 182 }
 183
 184 static gint inc_account_mail(PrefsAccount *account, MainWindow *mainwin)
 185 {
 186         IncProgressDialog *inc_dialog;
 187         IncSession *session;
 188         gchar *text[3];
 189
 190         session = inc_session_new(account);
 191         if (!session) return 0;
 192
 193         inc_dialog = inc_progress_dialog_create();
 194         inc_dialog->queue_list = g_list_append(inc_dialog->queue_list, session);
 195         inc_dialog->mainwin = mainwin;
 196         session->data = inc_dialog;
 197
 198         text[0] = NULL;
 199         text[1] = account->account_name;
 200         text[2] = _("Standby");
 201         gtk_clist_append(GTK_CLIST(inc_dialog->dialog->clist), text);
 202
 203         return inc_start(inc_dialog);
 204 }
 205
 206 void inc_all_account_mail(MainWindow *mainwin)
 207 {
 208         GList *list, *queue_list = NULL;
 209         IncProgressDialog *inc_dialog;
 210         gint new_msgs = 0;
 211
 212         if (inc_lock_count) return;
 213
 214         inc_autocheck_timer_remove();
 215         summary_write_cache(mainwin->summaryview);
 216         main_window_lock(mainwin);
 217
 218         if (prefs_common.inc_local)
 219                 new_msgs = inc_spool();
 220
 221         list = account_get_list();
 222         if (!list) {
 223                 inc_finished(mainwin, new_msgs > 0);
 224                 main_window_unlock(mainwin);
 225                 inc_autocheck_timer_set();
 226                 return;
 227         }
 228
 229         for (; list != NULL; list = list->next) {
 230                 IncSession *session;
 231                 PrefsAccount *account = list->data;
 232
 233                 if (account->recv_at_getall) {
 234                         session = inc_session_new(account);
 235                         if (session)
 236                                 queue_list = g_list_append(queue_list, session);
 237                 }
 238         }
 239
 240         if (!queue_list) {
 241                 inc_finished(mainwin, new_msgs > 0);
 242                 main_window_unlock(mainwin);
 243                 inc_autocheck_timer_set();
 244                 return;
 245         }
 246
 247         inc_dialog = inc_progress_dialog_create();
 248         inc_dialog->queue_list = queue_list;
 249         inc_dialog->mainwin = mainwin;
 250         for (list = queue_list; list != NULL; list = list->next) {
 251                 IncSession *session = list->data;
 252                 gchar *text[3];
 253
 254                 session->data = inc_dialog;
 255
 256                 text[0] = NULL;
 257                 text[1] = session->pop3_state->ac_prefs->account_name;
 258                 text[2] = _("Standby");
 259                 gtk_clist_append(GTK_CLIST(inc_dialog->dialog->clist), text);
 260         }
 261
 262         new_msgs += inc_start(inc_dialog);
 263
 264         inc_finished(mainwin, new_msgs > 0);
 265         main_window_unlock(mainwin);
 266         inc_autocheck_timer_set();
 267 }
 268
 269 static IncProgressDialog *inc_progress_dialog_create(void)
 270 {
 271         IncProgressDialog *dialog;
 272         ProgressDialog *progress;
 273
 274         dialog = g_new0(IncProgressDialog, 1);
 275
 276         progress = progress_dialog_create();
 277         gtk_window_set_title(GTK_WINDOW(progress->window),
 278                              _("Retrieving new messages"));
 279         gtk_signal_connect(GTK_OBJECT(progress->cancel_btn), "clicked",
 280                            GTK_SIGNAL_FUNC(inc_cancel), dialog);
 281         gtk_signal_connect(GTK_OBJECT(progress->window), "delete_event",
 282                            GTK_SIGNAL_FUNC(gtk_true), NULL);
 283         /* manage_window_set_transient(GTK_WINDOW(progress->window)); */
 284
 285         progress_dialog_set_value(progress, 0.0);
 286
 287         stock_pixmap_gdk(progress->clist, STOCK_PIXMAP_COMPLETE,
 288                          &okxpm, &okxpmmask);
 289         stock_pixmap_gdk(progress->clist, STOCK_PIXMAP_CONTINUE,
 290                          &currentxpm, &currentxpmmask);
 291         stock_pixmap_gdk(progress->clist, STOCK_PIXMAP_ERROR,
 292                          &errorxpm, &errorxpmmask);
 293
 294         if (prefs_common.recv_dialog_mode == RECV_DIALOG_ALWAYS ||
 295             (prefs_common.recv_dialog_mode == RECV_DIALOG_ACTIVE &&
 296              manage_window_get_focus_window())) {
 297                 dialog->show_dialog = TRUE;
 298                 gtk_widget_show_now(progress->window);
 299         }
 300
 301         dialog->dialog = progress;
 302         dialog->queue_list = NULL;
 303
 304         return dialog;
 305 }
 306
 307 static void inc_progress_dialog_clear(IncProgressDialog *inc_dialog)
 308 {
 309         progress_dialog_set_value(inc_dialog->dialog, 0.0);
 310         progress_dialog_set_label(inc_dialog->dialog, "");
 311         gtk_progress_bar_update
 312                 (GTK_PROGRESS_BAR(inc_dialog->mainwin->progressbar), 0.0);
 313 }
 314
 315 static void inc_progress_dialog_destroy(IncProgressDialog *inc_dialog)
 316 {
 317         g_return_if_fail(inc_dialog != NULL);
 318
 319         gtk_progress_bar_update
 320                 (GTK_PROGRESS_BAR(inc_dialog->mainwin->progressbar), 0.0);
 321         progress_dialog_destroy(inc_dialog->dialog);
 322
 323         g_free(inc_dialog);
 324 }
 325
 326 static IncSession *inc_session_new(PrefsAccount *account)
 327 {
 328         IncSession *session;
 329
 330         g_return_val_if_fail(account != NULL, NULL);
 331
 332         if (account->protocol != A_POP3 && account->protocol != A_APOP)
 333                 return NULL;
 334         if (!account->recv_server || !account->userid)
 335                 return NULL;
 336
 337         session = g_new0(IncSession, 1);
 338         session->pop3_state = inc_pop3_state_new(account);
 339         session->pop3_state->session = session;
 340
 341         return session;
 342 }
 343
 344 static void inc_session_destroy(IncSession *session)
 345 {
 346         g_return_if_fail(session != NULL);
 347
 348         inc_pop3_state_destroy(session->pop3_state);
 349         g_free(session);
 350 }
 351
 352 static Pop3State *inc_pop3_state_new(PrefsAccount *account)
 353 {
 354         Pop3State *state;
 355
 356         state = g_new0(Pop3State, 1);
 357
 358         state->ac_prefs = account;
 359         state->folder_table = g_hash_table_new(NULL, NULL);
 360         state->id_table = inc_get_uidl_table(account);
 361         state->id_list = NULL;
 362         state->new_id_list = NULL;
 363         state->inc_state = INC_SUCCESS;
 364
 365         return state;
 366 }
 367
 368 static void inc_pop3_state_destroy(Pop3State *state)
 369 {
 370         g_hash_table_destroy(state->folder_table);
 371         g_free(state->sizes);
 372
 373         if (state->id_table) {
 374                 hash_free_strings(state->id_table);
 375                 g_hash_table_destroy(state->id_table);
 376         }
 377         slist_free_strings(state->id_list);
 378         slist_free_strings(state->new_id_list);
 379         g_slist_free(state->id_list);
 380         g_slist_free(state->new_id_list);
 381
 382         g_free(state->greeting);
 383         g_free(state->user);
 384         g_free(state->pass);
 385         g_free(state->prev_folder);
 386
 387         g_free(state);
 388 }
 389
 390 static gint inc_start(IncProgressDialog *inc_dialog)
 391 {
 392         IncSession *session;
 393         GtkCList *clist = GTK_CLIST(inc_dialog->dialog->clist);
 394         Pop3State *pop3_state;
 395         IncState inc_state;
 396         gint num = 0;
 397         gint error_num = 0;
 398         gint new_msgs = 0;
 399
 400         while (inc_dialog->queue_list != NULL) {
 401                 session = inc_dialog->queue_list->data;
 402                 pop3_state = session->pop3_state;
 403
 404                 inc_progress_dialog_clear(inc_dialog);
 405
 406                 gtk_clist_moveto(clist, num, -1, 1.0, 0.0);
 407
 408                 pop3_state->user = g_strdup(pop3_state->ac_prefs->userid);
 409                 if (pop3_state->ac_prefs->passwd)
 410                         pop3_state->pass =
 411                                 g_strdup(pop3_state->ac_prefs->passwd);
 412                 else if (pop3_state->ac_prefs->tmp_pass)
 413                         pop3_state->pass =
 414                                 g_strdup(pop3_state->ac_prefs->tmp_pass);
 415                 else {
 416                         gchar *pass;
 417                         gchar *message;
 418
 419                         message = g_strdup_printf
 420                                 (_("Input password for %s on %s:"),
 421                                  pop3_state->user,
 422                                  pop3_state->ac_prefs->recv_server);
 423
 424                         pass = input_dialog_with_invisible(_("Input password"),
 425                                                            message, NULL);
 426                         g_free(message);
 427                         if (inc_dialog->show_dialog)
 428                                 manage_window_focus_in
 429                                         (inc_dialog->mainwin->window,
 430                                          NULL, NULL);
 431                         if (pass) {
 432                                 pop3_state->ac_prefs->tmp_pass = g_strdup(pass);
 433                                 pop3_state->pass = pass;
 434                         } else {
 435                                 inc_session_destroy(session);
 436                                 inc_dialog->queue_list = g_list_remove
 437                                         (inc_dialog->queue_list, session);
 438                                 continue;
 439                         }
 440                 }
 441
 442                 gtk_clist_set_pixmap(clist, num, 0, currentxpm, currentxpmmask);
 443                 gtk_clist_set_text(clist, num, 2, _("Retrieving"));
 444
 445                 /* begin POP3 session */
 446                 inc_state = inc_pop3_session_do(session);
 447
 448                 if (inc_state == INC_SUCCESS) {
 449                         gtk_clist_set_pixmap(clist, num, 0, okxpm, okxpmmask);
 450                         gtk_clist_set_text(clist, num, 2, _("Done"));
 451                 } else if (inc_state == INC_CANCEL) {
 452                         gtk_clist_set_pixmap(clist, num, 0, okxpm, okxpmmask);
 453                         gtk_clist_set_text(clist, num, 2, _("Cancelled"));
 454                 } else {
 455                         gtk_clist_set_pixmap(clist, num, 0, errorxpm, errorxpmmask);
 456                         if (inc_state == INC_CONNECT_ERROR)
 457                                 gtk_clist_set_text(clist, num, 2,
 458                                                    _("Connection failed"));
 459                         else if (inc_state == INC_AUTH_FAILED)
 460                                 gtk_clist_set_text(clist, num, 2,
 461                                                    _("Auth failed"));
 462                         else
 463                                 gtk_clist_set_text(clist, num, 2, _("Error"));
 464                 }
 465
 466                 if (pop3_state->error_val == PS_AUTHFAIL) {
 467                         if(!prefs_common.noerrorpanel) {
 468                                 if((prefs_common.recv_dialog_mode == RECV_DIALOG_ALWAYS) ||
 469                                     ((prefs_common.recv_dialog_mode == RECV_DIALOG_ACTIVE) && focus_window)) {
 470                                         manage_window_focus_in(inc_dialog->dialog->window, NULL, NULL);
 471                                 }
 472                                 alertpanel_error
 473                                         (_("Authorization for %s on %s failed"),
 474                                          pop3_state->user,
 475                                          pop3_state->ac_prefs->recv_server);
 476                         }
 477                 }
 478
 479                 statusbar_pop_all();
 480
 481                 new_msgs += pop3_state->cur_total_num;
 482
 483                 if (!prefs_common.scan_all_after_inc) {
 484                         folder_item_scan_foreach(pop3_state->folder_table);
 485                         folderview_update_item_foreach
 486                                 (pop3_state->folder_table);
 487                 }
 488
 489                 if (pop3_state->error_val == PS_AUTHFAIL &&
 490                     pop3_state->ac_prefs->tmp_pass) {
 491                         g_free(pop3_state->ac_prefs->tmp_pass);
 492                         pop3_state->ac_prefs->tmp_pass = NULL;
 493                 }
 494
 495                 inc_write_uidl_list(pop3_state);
 496
 497                 if (inc_state != INC_SUCCESS && inc_state != INC_CANCEL) {
 498                         error_num++;
 499                         if (inc_state == INC_NOSPACE) {
 500                                 inc_put_error(inc_state);
 501                                 break;
 502                         }
 503                 }
 504
 505                 inc_session_destroy(session);
 506                 inc_dialog->queue_list =
 507                         g_list_remove(inc_dialog->queue_list, session);
 508
 509                 num++;
 510         }
 511
 512         if (error_num && !prefs_common.noerrorpanel) {
 513                 if (inc_dialog->show_dialog)
 514                         manage_window_focus_in(inc_dialog->dialog->window,
 515                                                NULL, NULL);
 516                 alertpanel_error(_("Some errors occured while getting mail."));
 517                 if (inc_dialog->show_dialog)
 518                         manage_window_focus_out(inc_dialog->dialog->window,
 519                                                 NULL, NULL);
 520         }
 521
 522         while (inc_dialog->queue_list != NULL) {
 523                 session = inc_dialog->queue_list->data;
 524                 inc_session_destroy(session);
 525                 inc_dialog->queue_list =
 526                         g_list_remove(inc_dialog->queue_list, session);
 527         }
 528
 529         inc_progress_dialog_destroy(inc_dialog);
 530
 531         return new_msgs;
 532 }
 533
 534 static IncState inc_pop3_session_do(IncSession *session)
 535 {
 536         Pop3State *pop3_state = session->pop3_state;
 537         IncProgressDialog *inc_dialog = (IncProgressDialog *)session->data;
 538         Automaton *atm;
 539         SockInfo *sockinfo;
 540         gint i;
 541         gchar *server;
 542         gushort port;
 543         gchar *buf;
 544         static AtmHandler handlers[] = {
 545                 pop3_greeting_recv      ,
 546                 pop3_getauth_user_send  , pop3_getauth_user_recv,
 547                 pop3_getauth_pass_send  , pop3_getauth_pass_recv,
 548                 pop3_getauth_apop_send  , pop3_getauth_apop_recv,
 549                 pop3_getrange_stat_send , pop3_getrange_stat_recv,
 550                 pop3_getrange_last_send , pop3_getrange_last_recv,
 551                 pop3_getrange_uidl_send , pop3_getrange_uidl_recv,
 552                 pop3_getsize_list_send  , pop3_getsize_list_recv,
 553                 pop3_retr_send          , pop3_retr_recv,
 554                 pop3_delete_send        , pop3_delete_recv,
 555                 pop3_logout_send        , pop3_logout_recv
 556         };
 557
 558         debug_print(_("getting new messages of account %s...\n"),
 559                     pop3_state->ac_prefs->account_name);
 560
 561         atm = automaton_create(N_POP3_PHASE);
 562
 563         session->atm = atm;
 564         atm->data = pop3_state;
 565
 566         buf = g_strdup_printf(_("%s: Retrieving new messages"),
 567                               pop3_state->ac_prefs->recv_server);
 568         gtk_window_set_title(GTK_WINDOW(inc_dialog->dialog->window), buf);
 569         g_free(buf);
 570
 571         for (i = POP3_GREETING_RECV; i < N_POP3_PHASE; i++)
 572                 atm->state[i].handler = handlers[i];
 573         atm->state[POP3_GREETING_RECV].condition = GDK_INPUT_READ;
 574         for (i = POP3_GETAUTH_USER_SEND; i < N_POP3_PHASE; ) {
 575                 atm->state[i++].condition = GDK_INPUT_WRITE;
 576                 atm->state[i++].condition = GDK_INPUT_READ;
 577         }
 578
 579         atm->terminate = (AtmHandler)pop3_automaton_terminate;
 580
 581         atm->num = POP3_GREETING_RECV;
 582
 583         server = pop3_state->ac_prefs->recv_server;
 584 #if USE_SSL
 585         port = pop3_state->ac_prefs->set_popport ?
 586                 pop3_state->ac_prefs->popport :
 587                 pop3_state->ac_prefs->ssl_pop ? 995 : 110;
 588 #else
 589         port = pop3_state->ac_prefs->set_popport ?
 590                 pop3_state->ac_prefs->popport : 110;
 591 #endif
 592
 593         buf = g_strdup_printf(_("Connecting to POP3 server: %s ..."), server);
 594         log_message("%s\n", buf);
 595         progress_dialog_set_label(inc_dialog->dialog, buf);
 596         g_free(buf);
 597         GTK_EVENTS_FLUSH();
 598         statusbar_pop_all();
 599
 600 #if USE_THREADS
 601         if ((sockinfo = sock_connect_with_thread(server, port)) == NULL) {
 602 #else
 603         if ((sockinfo = sock_connect(server, port)) == NULL) {
 604 #endif
 605                 log_warning(_("Can't connect to POP3 server: %s:%d\n"),
 606                             server, port);
 607                 if(!prefs_common.noerrorpanel) {
 608                         if((prefs_common.recv_dialog_mode == RECV_DIALOG_ALWAYS) ||
 609                             ((prefs_common.recv_dialog_mode == RECV_DIALOG_ACTIVE) && focus_window)) {
 610                                 manage_window_focus_in(inc_dialog->dialog->window, NULL, NULL);
 611                         }
 612                         alertpanel_error(_("Can't connect to POP3 server: %s:%d"),
 613                                          server, port);
 614                         manage_window_focus_out(inc_dialog->dialog->window, NULL, NULL);
 615                 }
 616                 pop3_automaton_terminate(NULL, atm);
 617                 automaton_destroy(atm);
 618                 return INC_CONNECT_ERROR;
 619         }
 620
 621 #if USE_SSL
 622         if (pop3_state->ac_prefs->ssl_pop && !ssl_init_socket(sockinfo)) {
 623                 pop3_automaton_terminate(NULL, atm);
 624                 automaton_destroy(atm);
 625                 return INC_CONNECT_ERROR;
 626         }
 627 #endif
 628
 629         /* :WK: Hmmm, with the later sock_gdk_input, we have 2 references
 630          * to the sock structure - implement a reference counter?? */
 631         pop3_state->sockinfo = sockinfo;
 632         atm->help_sock = sockinfo;
 633
 634         log_verbosity_set(TRUE);
 635         recv_set_ui_func(inc_pop3_recv_func, session);
 636
 637 #if USE_THREADS
 638         atm->timeout_tag = gtk_timeout_add
 639                 (TIMEOUT_ITV, (GtkFunction)connection_check_cb, atm);
 640 #else
 641         atm->tag = sock_gdk_input_add(sockinfo,
 642                                       atm->state[atm->num].condition,
 643                                       automaton_input_cb, atm);
 644 #endif
 645
 646         while (!atm->terminated)
 647                 gtk_main_iteration();
 648
 649         log_verbosity_set(FALSE);
 650         recv_set_ui_func(NULL, NULL);
 651
 652 #if USE_THREADS
 653         /* pthread_join(sockinfo->connect_thr, NULL); */
 654 #endif
 655         automaton_destroy(atm);
 656
 657         return pop3_state->inc_state;
 658 }
 659
 660 static gint pop3_automaton_terminate(SockInfo *source, Automaton *atm)
 661 {
 662         if (atm->terminated) return 0;
 663
 664         if (atm->tag > 0) {
 665                 gdk_input_remove(atm->tag);
 666                 atm->tag = 0;
 667         }
 668         if (atm->timeout_tag > 0) {
 669                 gtk_timeout_remove(atm->timeout_tag);
 670                 atm->timeout_tag = 0;
 671         }
 672         if (source)
 673                 sock_close(source);
 674
 675         atm->terminated = TRUE;
 676
 677         return 0;
 678 }
 679
 680 static GHashTable *inc_get_uidl_table(PrefsAccount *ac_prefs)
 681 {
 682         GHashTable *table;
 683         gchar *path;
 684         FILE *fp;
 685         gchar buf[IDLEN + 3];
 686
 687         path = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S,
 688                            "uidl-", ac_prefs->recv_server,
 689                            "-", ac_prefs->userid, NULL);
 690         if ((fp = fopen(path, "r")) == NULL) {
 691                 if (ENOENT != errno) FILE_OP_ERROR(path, "fopen");
 692                 g_free(path);
 693                 return NULL;
 694         }
 695         g_free(path);
 696
 697         table = g_hash_table_new(g_str_hash, g_str_equal);
 698
 699         while (fgets(buf, sizeof(buf), fp) != NULL) {
 700                 strretchomp(buf);
 701                 g_hash_table_insert(table, g_strdup(buf), GINT_TO_POINTER(1));
 702         }
 703
 704         fclose(fp);
 705
 706         return table;
 707 }
 708
 709 static void inc_write_uidl_list(Pop3State *state)
 710 {
 711         gchar *path;
 712         FILE *fp;
 713         GSList *cur;
 714
 715         if (!state->id_list) return;
 716
 717         path = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S,
 718                            "uidl-", state->ac_prefs->recv_server,
 719                            "-", state->user, NULL);
 720         if ((fp = fopen(path, "w")) == NULL) {
 721                 FILE_OP_ERROR(path, "fopen");
 722                 g_free(path);
 723                 return;
 724         }
 725
 726         for (cur = state->id_list; cur != NULL; cur = cur->next) {
 727                 if (fputs((gchar *)cur->data, fp) == EOF) {
 728                         FILE_OP_ERROR(path, "fputs");
 729                         break;
 730                 }
 731                 if (fputc('\n', fp) == EOF) {
 732                         FILE_OP_ERROR(path, "fputc");
 733                         break;
 734                 }
 735         }
 736
 737         if (fclose(fp) == EOF) FILE_OP_ERROR(path, "fclose");
 738         g_free(path);
 739 }
 740
 741 #if USE_THREADS
 742 static gint connection_check_cb(Automaton *atm)
 743 {
 744         Pop3State *state = atm->data;
 745         IncProgressDialog *inc_dialog = state->session->data;
 746         SockInfo *sockinfo = state->sockinfo;
 747
 748         /* g_print("connection check\n"); */
 749
 750         if (sockinfo->state == CONN_LOOKUPFAILED ||
 751             sockinfo->state == CONN_FAILED) {
 752                 atm->timeout_tag = 0;
 753                 log_warning(_("Can't connect to POP3 server: %s:%d\n"),
 754                             sockinfo->hostname, sockinfo->port);
 755                 if(!prefs_common.noerrorpanel) {
 756                         if((prefs_common.recv_dialog_mode == RECV_DIALOG_ALWAYS) ||
 757                             ((prefs_common.recv_dialog_mode == RECV_DIALOG_ACTIVE) && focus_window)) {
 758                                 manage_window_focus_in(inc_dialog->dialog->window, NULL, NULL);
 759                         }
 760                         alertpanel_error(_("Can't connect to POP3 server: %s:%d"),
 761                                          sockinfo->hostname, sockinfo->port);
 762                         manage_window_focus_out(inc_dialog->dialog->window, NULL, NULL);
 763                 }
 764                 pop3_automaton_terminate(sockinfo, atm);
 765                 state->sockinfo = NULL;
 766                 return FALSE;
 767         } else if (sockinfo->state == CONN_ESTABLISHED) {
 768                 atm->timeout_tag = 0;
 769                 atm->tag = sock_gdk_input_add(sockinfo,
 770                                               atm->state[atm->num].condition,
 771                                               automaton_input_cb, atm);
 772                 return FALSE;
 773         } else {
 774                 return TRUE;
 775         }
 776 }
 777 #endif
 778
 779 static void inc_pop3_recv_func(SockInfo *sock, gint count, gint read_bytes,
 780                                gpointer data)
 781 {
 782         gchar buf[MSGBUFSIZE];
 783         IncSession *session = (IncSession *)data;
 784         Pop3State *state = session->pop3_state;
 785         IncProgressDialog *inc_dialog = session->data;
 786         ProgressDialog *dialog = inc_dialog->dialog;
 787         gint cur_total;
 788         gchar *total_size;
 789
 790         cur_total = state->cur_total_bytes + read_bytes;
 791         if (cur_total > state->total_bytes)
 792                 cur_total = state->total_bytes;
 793
 794         Xstrdup_a(total_size, to_human_readable(state->total_bytes), return);
 795         g_snprintf(buf, sizeof(buf),
 796                    _("Retrieving message (%d / %d) (%s / %s)"),
 797                    state->cur_msg, state->count,
 798                    to_human_readable(cur_total), total_size);
 799         progress_dialog_set_label(dialog, buf);
 800
 801         progress_dialog_set_percentage
 802                 (dialog, (gfloat)cur_total / (gfloat)state->total_bytes);
 803         gtk_progress_bar_update
 804                 (GTK_PROGRESS_BAR(inc_dialog->mainwin->progressbar),
 805                  (gfloat)cur_total / (gfloat)state->total_bytes);
 806         GTK_EVENTS_FLUSH();
 807 }
 808
 809 void inc_progress_update(Pop3State *state, Pop3Phase phase)
 810 {
 811         gchar buf[MSGBUFSIZE];
 812         IncProgressDialog *inc_dialog = state->session->data;
 813         ProgressDialog *dialog = inc_dialog->dialog;
 814         gchar *total_size;
 815
 816         switch (phase) {
 817         case POP3_GREETING_RECV:
 818                 break;
 819         case POP3_GETAUTH_USER_SEND:
 820         case POP3_GETAUTH_USER_RECV:
 821         case POP3_GETAUTH_PASS_SEND:
 822         case POP3_GETAUTH_PASS_RECV:
 823         case POP3_GETAUTH_APOP_SEND:
 824         case POP3_GETAUTH_APOP_RECV:
 825                 progress_dialog_set_label(dialog, _("Authenticating..."));
 826                 break;
 827         case POP3_GETRANGE_STAT_SEND:
 828         case POP3_GETRANGE_STAT_RECV:
 829                 progress_dialog_set_label
 830                         (dialog, _("Getting the number of new messages (STAT)..."));
 831                 break;
 832         case POP3_GETRANGE_LAST_SEND:
 833         case POP3_GETRANGE_LAST_RECV:
 834                 progress_dialog_set_label
 835                         (dialog, _("Getting the number of new messages (LAST)..."));
 836                 break;
 837         case POP3_GETRANGE_UIDL_SEND:
 838         case POP3_GETRANGE_UIDL_RECV:
 839                 progress_dialog_set_label
 840                         (dialog, _("Getting the number of new messages (UIDL)..."));
 841                 break;
 842         case POP3_GETSIZE_LIST_SEND:
 843         case POP3_GETSIZE_LIST_RECV:
 844                 progress_dialog_set_label
 845                         (dialog, _("Getting the size of messages (LIST)..."));
 846                 break;
 847         case POP3_RETR_SEND:
 848         case POP3_RETR_RECV:
 849                 Xstrdup_a(total_size, to_human_readable(state->total_bytes), return);
 850                 g_snprintf(buf, sizeof(buf),
 851                            _("Retrieving message (%d / %d) (%s / %s)"),
 852                            state->cur_msg, state->count,
 853                            to_human_readable(state->cur_total_bytes),
 854                            total_size);
 855                 progress_dialog_set_label(dialog, buf);
 856                 progress_dialog_set_percentage
 857                         (dialog,
 858                          (gfloat)(state->cur_total_bytes) /
 859                          (gfloat)(state->total_bytes));
 860                 gtk_progress_bar_update
 861                         (GTK_PROGRESS_BAR(inc_dialog->mainwin->progressbar),
 862                          (gfloat)(state->cur_total_bytes) /
 863                          (gfloat)(state->total_bytes));
 864                 break;
 865         case POP3_DELETE_SEND:
 866         case POP3_DELETE_RECV:
 867                 progress_dialog_set_label(dialog, _("Deleting message"));
 868                 break;
 869         case POP3_LOGOUT_SEND:
 870         case POP3_LOGOUT_RECV:
 871                 progress_dialog_set_label(dialog, _("Quitting"));
 872                 break;
 873         default:
 874                 break;
 875         }
 876 }
 877
 878 gint inc_drop_message(const gchar *file, Pop3State *state)
 879 {
 880         FolderItem *inbox;
 881         FolderItem *dropfolder;
 882         gint val;
 883         gint msgnum;
 884
 885         /* get default inbox (perhaps per account) */
 886         if (state->ac_prefs->inbox) {
 887                 inbox = folder_find_item_from_path(state->ac_prefs->inbox);
 888                 if (!inbox)
 889                         inbox = folder_get_default_inbox();
 890         } else
 891                 inbox = folder_get_default_inbox();
 892         if (!inbox) {
 893                 unlink(file);
 894                 return -1;
 895         }
 896
 897         if (global_processing == NULL) {
 898                 /* old filtering */
 899                 if (state->ac_prefs->filter_on_recv) {
 900                         dropfolder =
 901                                 filter_get_dest_folder(prefs_common.fltlist, file);
 902                         if (!dropfolder) dropfolder = inbox;
 903                         else if (!strcmp(dropfolder->path, FILTER_NOT_RECEIVE)) {
 904                                 g_warning(_("a message won't be received\n"));
 905                                 return 1;
 906                         }
 907                 } else
 908                         dropfolder = inbox;
 909         } else {
 910                 /* CLAWS: new filtering */
 911                 dropfolder = folder_get_default_processing();
 912         }
 913
 914         val = GPOINTER_TO_INT(g_hash_table_lookup
 915                               (state->folder_table, dropfolder));
 916         if (val == 0) {
 917                 folder_item_scan(dropfolder);
 918                 g_hash_table_insert(state->folder_table, dropfolder,
 919                                     GINT_TO_POINTER(1));
 920         }
 921
 922         /* add msg file to drop folder */
 923         if ((msgnum = folder_item_add_msg(dropfolder, file, TRUE)) < 0) {
 924                 unlink(file);
 925                 return -1;
 926         }
 927
 928         /* CLAWS: perform filtering actions on dropped message */
 929         if (global_processing != NULL) {
 930                 if (state->ac_prefs->filter_on_recv)
 931                         filter_message(global_processing, inbox, msgnum,
 932                                        state->folder_table);
 933         }
 934
 935         return 0;
 936 }
 937
 938 static void inc_put_error(IncState istate)
 939 {
 940         switch (istate) {
 941         case INC_ERROR:
 942                 if(!prefs_common.noerrorpanel) {
 943                         alertpanel_error(_("Error occurred while processing mail."));
 944                 }
 945                 break;
 946         case INC_NOSPACE:
 947                 alertpanel_error(_("No disk space left."));
 948                 break;
 949         default:
 950                 break;
 951         }
 952 }
 953
 954 static void inc_cancel(GtkWidget *widget, gpointer data)
 955 {
 956         IncProgressDialog *dialog = data;
 957         IncSession *session = dialog->queue_list->data;
 958         SockInfo *sockinfo = session->pop3_state->sockinfo;
 959
 960         if (!sockinfo || session->atm->terminated == TRUE) return;
 961
 962 #if USE_THREADS
 963         if (sockinfo->state == CONN_READY ||
 964             sockinfo->state == CONN_LOOKUPSUCCESS) {
 965                 pthread_cancel(sockinfo->connect_thr);
 966                 /* pthread_kill(sockinfo->connect_thr, SIGINT); */
 967                 g_print("connection was cancelled.\n");
 968         }
 969 #endif
 970
 971         session->pop3_state->inc_state = INC_CANCEL;
 972         pop3_automaton_terminate(sockinfo, session->atm);
 973         session->pop3_state->sockinfo = NULL;
 974 }
 975
 976 static gint inc_spool(void)
 977 {
 978         gchar *mbox, *logname;
 979         gint msgs;
 980
 981         logname = g_get_user_name();
 982         mbox = g_strconcat(prefs_common.spool_path
 983                            ? prefs_common.spool_path : DEFAULT_SPOOL_PATH,
 984                            G_DIR_SEPARATOR_S, logname, NULL);
 985         msgs = get_spool(folder_get_default_inbox(), mbox);
 986         g_free(mbox);
 987
 988         return msgs;
 989 }
 990
 991 static void inc_spool_account(PrefsAccount *account)
 992 {
 993         FolderItem *inbox;
 994         FolderItem *dropfolder;
 995         gint val;
 996
 997         if (account->inbox) {
 998                 inbox = folder_find_item_from_path(account->inbox);
 999                 if (!inbox)
1000                         inbox = folder_get_default_inbox();
1001         } else
1002                 inbox = folder_get_default_inbox();
1003
1004         get_spool(inbox, account->local_mbox);
1005 }
1006
1007 static void inc_all_spool(void)
1008 {
1009         GList *list = NULL;
1010
1011         list = account_get_list();
1012         if (!list) return;
1013
1014         for (; list != NULL; list = list->next) {
1015                 IncSession *session;
1016                 PrefsAccount *account = list->data;
1017
1018                 if (account->protocol == A_LOCAL)
1019                         inc_spool_account(account);
1020         }
1021 }
1022
1023 static gint get_spool(FolderItem *dest, const gchar *mbox)
1024 {
1025         gint msgs, size;
1026         gint lockfd;
1027         gchar tmp_mbox[MAXPATHLEN + 1];
1028         GHashTable *folder_table = NULL;
1029
1030         g_return_val_if_fail(dest != NULL, -1);
1031         g_return_val_if_fail(mbox != NULL, -1);
1032
1033         if (!is_file_exist(mbox) || (size = get_file_size(mbox)) == 0) {
1034                 debug_print(_("no messages in local mailbox.\n"));
1035                 return 0;
1036         } else if (size < 0)
1037                 return -1;
1038
1039         if ((lockfd = lock_mbox(mbox, LOCK_FLOCK)) < 0)
1040                 return -1;
1041
1042         g_snprintf(tmp_mbox, sizeof(tmp_mbox), "%s%ctmpmbox%d",
1043                    get_rc_dir(), G_DIR_SEPARATOR, (gint)mbox);
1044
1045         if (copy_mbox(mbox, tmp_mbox) < 0)
1046                 return -1;
1047
1048         debug_print(_("Getting new messages from %s into %s...\n"),
1049                     mbox, dest->path);
1050
1051         if (prefs_common.filter_on_inc)
1052                 folder_table = g_hash_table_new(NULL, NULL);
1053         msgs = proc_mbox(dest, tmp_mbox, folder_table);
1054
1055         unlink(tmp_mbox);
1056         if (msgs >= 0) empty_mbox(mbox);
1057         unlock_mbox(mbox, lockfd, LOCK_FLOCK);
1058
1059         if (folder_table) {
1060                 if (!prefs_common.scan_all_after_inc) {
1061                 g_hash_table_insert(folder_table, dest,
1062                                     GINT_TO_POINTER(1));
1063                         folder_item_scan_foreach(folder_table);
1064                         folderview_update_item_foreach(folder_table);
1065                 }
1066                 g_hash_table_destroy(folder_table);
1067         } else if (!prefs_common.scan_all_after_inc) {
1068                 folder_item_scan(dest);
1069                 folderview_update_item(dest, FALSE);
1070         }
1071
1072         return msgs;
1073 }
1074
1075 void inc_lock(void)
1076 {
1077         inc_lock_count++;
1078 }
1079
1080 void inc_unlock(void)
1081 {
1082         if (inc_lock_count > 0)
1083                 inc_lock_count--;
1084 }
1085
1086 static guint autocheck_timer = 0;
1087 static gpointer autocheck_data = NULL;
1088
1089 void inc_autocheck_timer_init(MainWindow *mainwin)
1090 {
1091         autocheck_data = mainwin;
1092         inc_autocheck_timer_set();
1093 }
1094
1095 static void inc_autocheck_timer_set_interval(guint interval)
1096 {
1097         inc_autocheck_timer_remove();
1098
1099         if (prefs_common.autochk_newmail && autocheck_data) {
1100                 autocheck_timer = gtk_timeout_add
1101                         (interval, inc_autocheck_func, autocheck_data);
1102                 debug_print("added timer = %d\n", autocheck_timer);
1103         }
1104 }
1105
1106 void inc_autocheck_timer_set(void)
1107 {
1108         inc_autocheck_timer_set_interval(prefs_common.autochk_itv * 60000);
1109 }
1110
1111 void inc_autocheck_timer_remove(void)
1112 {
1113         if (autocheck_timer) {
1114                 debug_print("removed timer = %d\n", autocheck_timer);
1115                 gtk_timeout_remove(autocheck_timer);
1116                 autocheck_timer = 0;
1117         }
1118 }
1119
1120 static gint inc_autocheck_func(gpointer data)
1121 {
1122         MainWindow *mainwin = (MainWindow *)data;
1123
1124         if (inc_lock_count) {
1125                 debug_print("autocheck is locked.\n");
1126                 inc_autocheck_timer_set_interval(1000);
1127                 return FALSE;
1128         }
1129
1130         inc_all_account_mail(mainwin);
1131
1132         return FALSE;
1133 }