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 #define FOLDER_SUMMARY_MISMATCH(f, s) \
 122         (f) && (s) ? ((s)->newmsgs != (f)->new) || ((f)->unread != (s)->unread) || ((f)->total != (s)->messages) \
 123         : FALSE
 124
 125 /**
 126  * inc_finished:
 127  * @mainwin: Main window.
 128  * @new_messages: TRUE if some messages have been received.
 129  *
 130  * Update the folder view and the summary view after receiving
 131  * messages.  If @new_messages is FALSE, this function avoids unneeded
 132  * updating.
 133  **/
 134 static void inc_finished(MainWindow *mainwin, gboolean new_messages)
 135 {
 136         FolderItem *item;
 137
 138         if (prefs_common.scan_all_after_inc)
 139                 folderview_update_all_node();
 140
 141         if (!new_messages && !prefs_common.scan_all_after_inc) return;
 142
 143         if (prefs_common.open_inbox_on_inc) {
 144                 item = cur_account && cur_account->inbox
 145                         ? folder_find_item_from_path(cur_account->inbox)
 146                         : folder_get_default_inbox();
 147                 if (FOLDER_SUMMARY_MISMATCH(item, mainwin->summaryview)) {
 148                         folderview_unselect(mainwin->folderview);
 149                         folderview_select(mainwin->folderview, item);
 150                 }
 151         } else {
 152                 item = mainwin->summaryview->folder_item;
 153                 if (FOLDER_SUMMARY_MISMATCH(item, mainwin->summaryview)) {
 154                         folderview_unselect(mainwin->folderview);
 155                         folderview_select(mainwin->folderview, item);
 156                 }
 157         }
 158 }
 159
 160 void inc_mail(MainWindow *mainwin)
 161 {
 162         gint new_msgs = 0;
 163
 164         if (inc_lock_count) return;
 165
 166         inc_autocheck_timer_remove();
 167         summary_write_cache(mainwin->summaryview);
 168         main_window_lock(mainwin);
 169
 170         if (prefs_common.use_extinc && prefs_common.extinc_cmd) {
 171                 /* external incorporating program */
 172                 if (execute_command_line(prefs_common.extinc_cmd, FALSE) < 0) {
 173                         main_window_unlock(mainwin);
 174                         inc_autocheck_timer_set();
 175                         return;
 176                 }
 177
 178                 if (prefs_common.inc_local)
 179                         new_msgs = inc_spool();
 180         } else {
 181                 if (prefs_common.inc_local)
 182                         new_msgs = inc_spool();
 183
 184                 new_msgs += inc_account_mail(cur_account, mainwin);
 185         }
 186
 187         inc_finished(mainwin, new_msgs > 0);
 188         main_window_unlock(mainwin);
 189         inc_autocheck_timer_set();
 190 }
 191
 192 static gint inc_account_mail(PrefsAccount *account, MainWindow *mainwin)
 193 {
 194         IncProgressDialog *inc_dialog;
 195         IncSession *session;
 196         gchar *text[3];
 197
 198         session = inc_session_new(account);
 199         if (!session) return 0;
 200
 201         inc_dialog = inc_progress_dialog_create();
 202         inc_dialog->queue_list = g_list_append(inc_dialog->queue_list, session);
 203         inc_dialog->mainwin = mainwin;
 204         session->data = inc_dialog;
 205
 206         text[0] = NULL;
 207         text[1] = account->account_name;
 208         text[2] = _("Standby");
 209         gtk_clist_append(GTK_CLIST(inc_dialog->dialog->clist), text);
 210
 211         return inc_start(inc_dialog);
 212 }
 213
 214 void inc_all_account_mail(MainWindow *mainwin)
 215 {
 216         GList *list, *queue_list = NULL;
 217         IncProgressDialog *inc_dialog;
 218         gint new_msgs = 0;
 219
 220         if (inc_lock_count) return;
 221
 222         inc_autocheck_timer_remove();
 223         summary_write_cache(mainwin->summaryview);
 224         main_window_lock(mainwin);
 225
 226         if (prefs_common.inc_local)
 227                 new_msgs = inc_spool();
 228
 229         list = account_get_list();
 230         if (!list) {
 231                 inc_finished(mainwin, new_msgs > 0);
 232                 main_window_unlock(mainwin);
 233                 inc_autocheck_timer_set();
 234                 return;
 235         }
 236
 237         for (; list != NULL; list = list->next) {
 238                 IncSession *session;
 239                 PrefsAccount *account = list->data;
 240
 241                 if (account->recv_at_getall) {
 242                         session = inc_session_new(account);
 243                         if (session)
 244                                 queue_list = g_list_append(queue_list, session);
 245                 }
 246         }
 247
 248         if (!queue_list) {
 249                 inc_finished(mainwin, new_msgs > 0);
 250                 main_window_unlock(mainwin);
 251                 inc_autocheck_timer_set();
 252                 return;
 253         }
 254
 255         inc_dialog = inc_progress_dialog_create();
 256         inc_dialog->queue_list = queue_list;
 257         inc_dialog->mainwin = mainwin;
 258         for (list = queue_list; list != NULL; list = list->next) {
 259                 IncSession *session = list->data;
 260                 gchar *text[3];
 261
 262                 session->data = inc_dialog;
 263
 264                 text[0] = NULL;
 265                 text[1] = session->pop3_state->ac_prefs->account_name;
 266                 text[2] = _("Standby");
 267                 gtk_clist_append(GTK_CLIST(inc_dialog->dialog->clist), text);
 268         }
 269
 270         new_msgs += inc_start(inc_dialog);
 271
 272         inc_finished(mainwin, new_msgs > 0);
 273         main_window_unlock(mainwin);
 274         inc_autocheck_timer_set();
 275 }
 276
 277 static IncProgressDialog *inc_progress_dialog_create(void)
 278 {
 279         IncProgressDialog *dialog;
 280         ProgressDialog *progress;
 281
 282         dialog = g_new0(IncProgressDialog, 1);
 283
 284         progress = progress_dialog_create();
 285         gtk_window_set_title(GTK_WINDOW(progress->window),
 286                              _("Retrieving new messages"));
 287         gtk_signal_connect(GTK_OBJECT(progress->cancel_btn), "clicked",
 288                            GTK_SIGNAL_FUNC(inc_cancel), dialog);
 289         gtk_signal_connect(GTK_OBJECT(progress->window), "delete_event",
 290                            GTK_SIGNAL_FUNC(gtk_true), NULL);
 291         /* manage_window_set_transient(GTK_WINDOW(progress->window)); */
 292
 293         progress_dialog_set_value(progress, 0.0);
 294
 295         stock_pixmap_gdk(progress->clist, STOCK_PIXMAP_COMPLETE,
 296                          &okxpm, &okxpmmask);
 297         stock_pixmap_gdk(progress->clist, STOCK_PIXMAP_CONTINUE,
 298                          &currentxpm, &currentxpmmask);
 299         stock_pixmap_gdk(progress->clist, STOCK_PIXMAP_ERROR,
 300                          &errorxpm, &errorxpmmask);
 301
 302         if (prefs_common.recv_dialog_mode == RECV_DIALOG_ALWAYS ||
 303             (prefs_common.recv_dialog_mode == RECV_DIALOG_ACTIVE &&
 304              manage_window_get_focus_window())) {
 305                 dialog->show_dialog = TRUE;
 306                 gtk_widget_show_now(progress->window);
 307         }
 308
 309         dialog->dialog = progress;
 310         dialog->queue_list = NULL;
 311
 312         return dialog;
 313 }
 314
 315 static void inc_progress_dialog_clear(IncProgressDialog *inc_dialog)
 316 {
 317         progress_dialog_set_value(inc_dialog->dialog, 0.0);
 318         progress_dialog_set_label(inc_dialog->dialog, "");
 319         gtk_progress_bar_update
 320                 (GTK_PROGRESS_BAR(inc_dialog->mainwin->progressbar), 0.0);
 321 }
 322
 323 static void inc_progress_dialog_destroy(IncProgressDialog *inc_dialog)
 324 {
 325         g_return_if_fail(inc_dialog != NULL);
 326
 327         gtk_progress_bar_update
 328                 (GTK_PROGRESS_BAR(inc_dialog->mainwin->progressbar), 0.0);
 329         progress_dialog_destroy(inc_dialog->dialog);
 330
 331         g_free(inc_dialog);
 332 }
 333
 334 static IncSession *inc_session_new(PrefsAccount *account)
 335 {
 336         IncSession *session;
 337
 338         g_return_val_if_fail(account != NULL, NULL);
 339
 340         if (account->protocol != A_POP3 && account->protocol != A_APOP)
 341                 return NULL;
 342         if (!account->recv_server || !account->userid)
 343                 return NULL;
 344
 345         session = g_new0(IncSession, 1);
 346         session->pop3_state = inc_pop3_state_new(account);
 347         session->pop3_state->session = session;
 348
 349         return session;
 350 }
 351
 352 static void inc_session_destroy(IncSession *session)
 353 {
 354         g_return_if_fail(session != NULL);
 355
 356         inc_pop3_state_destroy(session->pop3_state);
 357         g_free(session);
 358 }
 359
 360 static Pop3State *inc_pop3_state_new(PrefsAccount *account)
 361 {
 362         Pop3State *state;
 363
 364         state = g_new0(Pop3State, 1);
 365
 366         state->ac_prefs = account;
 367         state->folder_table = g_hash_table_new(NULL, NULL);
 368         state->id_table = inc_get_uidl_table(account);
 369         state->id_list = NULL;
 370         state->new_id_list = NULL;
 371         state->inc_state = INC_SUCCESS;
 372
 373         return state;
 374 }
 375
 376 static void inc_pop3_state_destroy(Pop3State *state)
 377 {
 378         g_hash_table_destroy(state->folder_table);
 379         g_free(state->sizes);
 380
 381         if (state->id_table) {
 382                 hash_free_strings(state->id_table);
 383                 g_hash_table_destroy(state->id_table);
 384         }
 385         slist_free_strings(state->id_list);
 386         slist_free_strings(state->new_id_list);
 387         g_slist_free(state->id_list);
 388         g_slist_free(state->new_id_list);
 389
 390         g_free(state->greeting);
 391         g_free(state->user);
 392         g_free(state->pass);
 393         g_free(state->prev_folder);
 394
 395         g_free(state);
 396 }
 397
 398 static gint inc_start(IncProgressDialog *inc_dialog)
 399 {
 400         IncSession *session;
 401         GtkCList *clist = GTK_CLIST(inc_dialog->dialog->clist);
 402         Pop3State *pop3_state;
 403         IncState inc_state;
 404         gint num = 0;
 405         gint error_num = 0;
 406         gint new_msgs = 0;
 407
 408         while (inc_dialog->queue_list != NULL) {
 409                 session = inc_dialog->queue_list->data;
 410                 pop3_state = session->pop3_state;
 411
 412                 inc_progress_dialog_clear(inc_dialog);
 413
 414                 gtk_clist_moveto(clist, num, -1, 1.0, 0.0);
 415
 416                 pop3_state->user = g_strdup(pop3_state->ac_prefs->userid);
 417                 if (pop3_state->ac_prefs->passwd)
 418                         pop3_state->pass =
 419                                 g_strdup(pop3_state->ac_prefs->passwd);
 420                 else if (pop3_state->ac_prefs->tmp_pass)
 421                         pop3_state->pass =
 422                                 g_strdup(pop3_state->ac_prefs->tmp_pass);
 423                 else {
 424                         gchar *pass;
 425
 426                         pass = input_dialog_query_password
 427                                 (pop3_state->ac_prefs->recv_server,
 428                                  pop3_state->user);
 429
 430                         if (inc_dialog->show_dialog)
 431                                 manage_window_focus_in
 432                                         (inc_dialog->mainwin->window,
 433                                          NULL, NULL);
 434                         if (pass) {
 435                                 pop3_state->ac_prefs->tmp_pass = g_strdup(pass);
 436                                 pop3_state->pass = pass;
 437                         } else {
 438                                 inc_session_destroy(session);
 439                                 inc_dialog->queue_list = g_list_remove
 440                                         (inc_dialog->queue_list, session);
 441                                 continue;
 442                         }
 443                 }
 444
 445                 gtk_clist_set_pixmap(clist, num, 0, currentxpm, currentxpmmask);
 446                 gtk_clist_set_text(clist, num, 2, _("Retrieving"));
 447
 448                 /* begin POP3 session */
 449                 inc_state = inc_pop3_session_do(session);
 450
 451                 if (inc_state == INC_SUCCESS) {
 452                         gtk_clist_set_pixmap(clist, num, 0, okxpm, okxpmmask);
 453                         gtk_clist_set_text(clist, num, 2, _("Done"));
 454                 } else if (inc_state == INC_CANCEL) {
 455                         gtk_clist_set_pixmap(clist, num, 0, okxpm, okxpmmask);
 456                         gtk_clist_set_text(clist, num, 2, _("Cancelled"));
 457                 } else {
 458                         gtk_clist_set_pixmap(clist, num, 0, errorxpm, errorxpmmask);
 459                         if (inc_state == INC_CONNECT_ERROR)
 460                                 gtk_clist_set_text(clist, num, 2,
 461                                                    _("Connection failed"));
 462                         else if (inc_state == INC_AUTH_FAILED)
 463                                 gtk_clist_set_text(clist, num, 2,
 464                                                    _("Auth failed"));
 465                         else
 466                                 gtk_clist_set_text(clist, num, 2, _("Error"));
 467                 }
 468
 469                 if (pop3_state->error_val == PS_AUTHFAIL) {
 470                         if(!prefs_common.noerrorpanel) {
 471                                 if((prefs_common.recv_dialog_mode == RECV_DIALOG_ALWAYS) ||
 472                                     ((prefs_common.recv_dialog_mode == RECV_DIALOG_ACTIVE) && focus_window)) {
 473                                         manage_window_focus_in(inc_dialog->dialog->window, NULL, NULL);
 474                                 }
 475                                 alertpanel_error
 476                                         (_("Authorization for %s on %s failed"),
 477                                          pop3_state->user,
 478                                          pop3_state->ac_prefs->recv_server);
 479                         }
 480                 }
 481
 482                 statusbar_pop_all();
 483
 484                 new_msgs += pop3_state->cur_total_num;
 485
 486                 if (!prefs_common.scan_all_after_inc) {
 487                         folder_item_scan_foreach(pop3_state->folder_table);
 488                         folderview_update_item_foreach
 489                                 (pop3_state->folder_table);
 490                 }
 491
 492                 if (pop3_state->error_val == PS_AUTHFAIL &&
 493                     pop3_state->ac_prefs->tmp_pass) {
 494                         g_free(pop3_state->ac_prefs->tmp_pass);
 495                         pop3_state->ac_prefs->tmp_pass = NULL;
 496                 }
 497
 498                 inc_write_uidl_list(pop3_state);
 499
 500                 if (inc_state != INC_SUCCESS && inc_state != INC_CANCEL) {
 501                         error_num++;
 502                         if (inc_state == INC_NOSPACE) {
 503                                 inc_put_error(inc_state);
 504                                 break;
 505                         }
 506                 }
 507
 508                 inc_session_destroy(session);
 509                 inc_dialog->queue_list =
 510                         g_list_remove(inc_dialog->queue_list, session);
 511
 512                 num++;
 513         }
 514
 515         if (error_num && !prefs_common.noerrorpanel) {
 516                 if (inc_dialog->show_dialog)
 517                         manage_window_focus_in(inc_dialog->dialog->window,
 518                                                NULL, NULL);
 519                 alertpanel_error(_("Some errors occured while getting mail."));
 520                 if (inc_dialog->show_dialog)
 521                         manage_window_focus_out(inc_dialog->dialog->window,
 522                                                 NULL, NULL);
 523         }
 524
 525         while (inc_dialog->queue_list != NULL) {
 526                 session = inc_dialog->queue_list->data;
 527                 inc_session_destroy(session);
 528                 inc_dialog->queue_list =
 529                         g_list_remove(inc_dialog->queue_list, session);
 530         }
 531
 532         inc_progress_dialog_destroy(inc_dialog);
 533
 534         return new_msgs;
 535 }
 536
 537 static IncState inc_pop3_session_do(IncSession *session)
 538 {
 539         Pop3State *pop3_state = session->pop3_state;
 540         IncProgressDialog *inc_dialog = (IncProgressDialog *)session->data;
 541         Automaton *atm;
 542         SockInfo *sockinfo;
 543         gint i;
 544         gchar *server;
 545         gushort port;
 546         gchar *buf;
 547         static AtmHandler handlers[] = {
 548                 pop3_greeting_recv      ,
 549                 pop3_getauth_user_send  , pop3_getauth_user_recv,
 550                 pop3_getauth_pass_send  , pop3_getauth_pass_recv,
 551                 pop3_getauth_apop_send  , pop3_getauth_apop_recv,
 552                 pop3_getrange_stat_send , pop3_getrange_stat_recv,
 553                 pop3_getrange_last_send , pop3_getrange_last_recv,
 554                 pop3_getrange_uidl_send , pop3_getrange_uidl_recv,
 555                 pop3_getsize_list_send  , pop3_getsize_list_recv,
 556                 pop3_retr_send          , pop3_retr_recv,
 557                 pop3_delete_send        , pop3_delete_recv,
 558                 pop3_logout_send        , pop3_logout_recv
 559         };
 560
 561         debug_print(_("getting new messages of account %s...\n"),
 562                     pop3_state->ac_prefs->account_name);
 563
 564         atm = automaton_create(N_POP3_PHASE);
 565
 566         session->atm = atm;
 567         atm->data = pop3_state;
 568
 569         buf = g_strdup_printf(_("%s: Retrieving new messages"),
 570                               pop3_state->ac_prefs->recv_server);
 571         gtk_window_set_title(GTK_WINDOW(inc_dialog->dialog->window), buf);
 572         g_free(buf);
 573
 574         for (i = POP3_GREETING_RECV; i < N_POP3_PHASE; i++)
 575                 atm->state[i].handler = handlers[i];
 576         atm->state[POP3_GREETING_RECV].condition = GDK_INPUT_READ;
 577         for (i = POP3_GETAUTH_USER_SEND; i < N_POP3_PHASE; ) {
 578                 atm->state[i++].condition = GDK_INPUT_WRITE;
 579                 atm->state[i++].condition = GDK_INPUT_READ;
 580         }
 581
 582         atm->terminate = (AtmHandler)pop3_automaton_terminate;
 583
 584         atm->num = POP3_GREETING_RECV;
 585
 586         server = pop3_state->ac_prefs->recv_server;
 587 #if USE_SSL
 588         port = pop3_state->ac_prefs->set_popport ?
 589                 pop3_state->ac_prefs->popport :
 590                 pop3_state->ac_prefs->ssl_pop ? 995 : 110;
 591 #else
 592         port = pop3_state->ac_prefs->set_popport ?
 593                 pop3_state->ac_prefs->popport : 110;
 594 #endif
 595
 596         buf = g_strdup_printf(_("Connecting to POP3 server: %s ..."), server);
 597         log_message("%s\n", buf);
 598         progress_dialog_set_label(inc_dialog->dialog, buf);
 599         g_free(buf);
 600         GTK_EVENTS_FLUSH();
 601         statusbar_pop_all();
 602
 603 #if USE_THREADS
 604         if ((sockinfo = sock_connect_with_thread(server, port)) == NULL) {
 605 #else
 606         if ((sockinfo = sock_connect(server, port)) == NULL) {
 607 #endif
 608                 log_warning(_("Can't connect to POP3 server: %s:%d\n"),
 609                             server, port);
 610                 if(!prefs_common.noerrorpanel) {
 611                         if((prefs_common.recv_dialog_mode == RECV_DIALOG_ALWAYS) ||
 612                             ((prefs_common.recv_dialog_mode == RECV_DIALOG_ACTIVE) && focus_window)) {
 613                                 manage_window_focus_in(inc_dialog->dialog->window, NULL, NULL);
 614                         }
 615                         alertpanel_error(_("Can't connect to POP3 server: %s:%d"),
 616                                          server, port);
 617                         manage_window_focus_out(inc_dialog->dialog->window, NULL, NULL);
 618                 }
 619                 pop3_automaton_terminate(NULL, atm);
 620                 automaton_destroy(atm);
 621                 return INC_CONNECT_ERROR;
 622         }
 623
 624 #if USE_SSL
 625         if (pop3_state->ac_prefs->ssl_pop && !ssl_init_socket(sockinfo)) {
 626                 pop3_automaton_terminate(NULL, atm);
 627                 automaton_destroy(atm);
 628                 return INC_CONNECT_ERROR;
 629         }
 630 #endif
 631
 632         /* :WK: Hmmm, with the later sock_gdk_input, we have 2 references
 633          * to the sock structure - implement a reference counter?? */
 634         pop3_state->sockinfo = sockinfo;
 635         atm->help_sock = sockinfo;
 636
 637         log_verbosity_set(TRUE);
 638         recv_set_ui_func(inc_pop3_recv_func, session);
 639
 640 #if USE_THREADS
 641         atm->timeout_tag = gtk_timeout_add
 642                 (TIMEOUT_ITV, (GtkFunction)connection_check_cb, atm);
 643 #else
 644         atm->tag = sock_gdk_input_add(sockinfo,
 645                                       atm->state[atm->num].condition,
 646                                       automaton_input_cb, atm);
 647 #endif
 648
 649         while (!atm->terminated)
 650                 gtk_main_iteration();
 651
 652         log_verbosity_set(FALSE);
 653         recv_set_ui_func(NULL, NULL);
 654
 655 #if USE_THREADS
 656         /* pthread_join(sockinfo->connect_thr, NULL); */
 657 #endif
 658         automaton_destroy(atm);
 659
 660         return pop3_state->inc_state;
 661 }
 662
 663 static gint pop3_automaton_terminate(SockInfo *source, Automaton *atm)
 664 {
 665         if (atm->terminated) return 0;
 666
 667         if (atm->tag > 0) {
 668                 gdk_input_remove(atm->tag);
 669                 atm->tag = 0;
 670         }
 671         if (atm->timeout_tag > 0) {
 672                 gtk_timeout_remove(atm->timeout_tag);
 673                 atm->timeout_tag = 0;
 674         }
 675         if (source)
 676                 sock_close(source);
 677
 678         atm->terminated = TRUE;
 679
 680         return 0;
 681 }
 682
 683 static GHashTable *inc_get_uidl_table(PrefsAccount *ac_prefs)
 684 {
 685         GHashTable *table;
 686         gchar *path;
 687         FILE *fp;
 688         gchar buf[IDLEN + 3];
 689
 690         path = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S,
 691                            "uidl-", ac_prefs->recv_server,
 692                            "-", ac_prefs->userid, NULL);
 693         if ((fp = fopen(path, "r")) == NULL) {
 694                 if (ENOENT != errno) FILE_OP_ERROR(path, "fopen");
 695                 g_free(path);
 696                 return NULL;
 697         }
 698         g_free(path);
 699
 700         table = g_hash_table_new(g_str_hash, g_str_equal);
 701
 702         while (fgets(buf, sizeof(buf), fp) != NULL) {
 703                 strretchomp(buf);
 704                 g_hash_table_insert(table, g_strdup(buf), GINT_TO_POINTER(1));
 705         }
 706
 707         fclose(fp);
 708
 709         return table;
 710 }
 711
 712 static void inc_write_uidl_list(Pop3State *state)
 713 {
 714         gchar *path;
 715         FILE *fp;
 716         GSList *cur;
 717
 718         if (!state->id_list) return;
 719
 720         path = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S,
 721                            "uidl-", state->ac_prefs->recv_server,
 722                            "-", state->user, NULL);
 723         if ((fp = fopen(path, "w")) == NULL) {
 724                 FILE_OP_ERROR(path, "fopen");
 725                 g_free(path);
 726                 return;
 727         }
 728
 729         for (cur = state->id_list; cur != NULL; cur = cur->next) {
 730                 if (fputs((gchar *)cur->data, fp) == EOF) {
 731                         FILE_OP_ERROR(path, "fputs");
 732                         break;
 733                 }
 734                 if (fputc('\n', fp) == EOF) {
 735                         FILE_OP_ERROR(path, "fputc");
 736                         break;
 737                 }
 738         }
 739
 740         if (fclose(fp) == EOF) FILE_OP_ERROR(path, "fclose");
 741         g_free(path);
 742 }
 743
 744 #if USE_THREADS
 745 static gint connection_check_cb(Automaton *atm)
 746 {
 747         Pop3State *state = atm->data;
 748         IncProgressDialog *inc_dialog = state->session->data;
 749         SockInfo *sockinfo = state->sockinfo;
 750
 751         /* g_print("connection check\n"); */
 752
 753         if (sockinfo->state == CONN_LOOKUPFAILED ||
 754             sockinfo->state == CONN_FAILED) {
 755                 atm->timeout_tag = 0;
 756                 log_warning(_("Can't connect to POP3 server: %s:%d\n"),
 757                             sockinfo->hostname, sockinfo->port);
 758                 if(!prefs_common.noerrorpanel) {
 759                         if((prefs_common.recv_dialog_mode == RECV_DIALOG_ALWAYS) ||
 760                             ((prefs_common.recv_dialog_mode == RECV_DIALOG_ACTIVE) && focus_window)) {
 761                                 manage_window_focus_in(inc_dialog->dialog->window, NULL, NULL);
 762                         }
 763                         alertpanel_error(_("Can't connect to POP3 server: %s:%d"),
 764                                          sockinfo->hostname, sockinfo->port);
 765                         manage_window_focus_out(inc_dialog->dialog->window, NULL, NULL);
 766                 }
 767                 pop3_automaton_terminate(sockinfo, atm);
 768                 state->sockinfo = NULL;
 769                 return FALSE;
 770         } else if (sockinfo->state == CONN_ESTABLISHED) {
 771                 atm->timeout_tag = 0;
 772                 atm->tag = sock_gdk_input_add(sockinfo,
 773                                               atm->state[atm->num].condition,
 774                                               automaton_input_cb, atm);
 775                 return FALSE;
 776         } else {
 777                 return TRUE;
 778         }
 779 }
 780 #endif
 781
 782 static void inc_pop3_recv_func(SockInfo *sock, gint count, gint read_bytes,
 783                                gpointer data)
 784 {
 785         gchar buf[MSGBUFSIZE];
 786         IncSession *session = (IncSession *)data;
 787         Pop3State *state = session->pop3_state;
 788         IncProgressDialog *inc_dialog = session->data;
 789         ProgressDialog *dialog = inc_dialog->dialog;
 790         gint cur_total;
 791         gchar *total_size;
 792
 793         cur_total = state->cur_total_bytes + read_bytes;
 794         if (cur_total > state->total_bytes)
 795                 cur_total = state->total_bytes;
 796
 797         Xstrdup_a(total_size, to_human_readable(state->total_bytes), return);
 798         g_snprintf(buf, sizeof(buf),
 799                    _("Retrieving message (%d / %d) (%s / %s)"),
 800                    state->cur_msg, state->count,
 801                    to_human_readable(cur_total), total_size);
 802         progress_dialog_set_label(dialog, buf);
 803
 804         progress_dialog_set_percentage
 805                 (dialog, (gfloat)cur_total / (gfloat)state->total_bytes);
 806         gtk_progress_bar_update
 807                 (GTK_PROGRESS_BAR(inc_dialog->mainwin->progressbar),
 808                  (gfloat)cur_total / (gfloat)state->total_bytes);
 809         GTK_EVENTS_FLUSH();
 810 }
 811
 812 void inc_progress_update(Pop3State *state, Pop3Phase phase)
 813 {
 814         gchar buf[MSGBUFSIZE];
 815         IncProgressDialog *inc_dialog = state->session->data;
 816         ProgressDialog *dialog = inc_dialog->dialog;
 817         gchar *total_size;
 818
 819         switch (phase) {
 820         case POP3_GREETING_RECV:
 821                 break;
 822         case POP3_GETAUTH_USER_SEND:
 823         case POP3_GETAUTH_USER_RECV:
 824         case POP3_GETAUTH_PASS_SEND:
 825         case POP3_GETAUTH_PASS_RECV:
 826         case POP3_GETAUTH_APOP_SEND:
 827         case POP3_GETAUTH_APOP_RECV:
 828                 progress_dialog_set_label(dialog, _("Authenticating..."));
 829                 break;
 830         case POP3_GETRANGE_STAT_SEND:
 831         case POP3_GETRANGE_STAT_RECV:
 832                 progress_dialog_set_label
 833                         (dialog, _("Getting the number of new messages (STAT)..."));
 834                 break;
 835         case POP3_GETRANGE_LAST_SEND:
 836         case POP3_GETRANGE_LAST_RECV:
 837                 progress_dialog_set_label
 838                         (dialog, _("Getting the number of new messages (LAST)..."));
 839                 break;
 840         case POP3_GETRANGE_UIDL_SEND:
 841         case POP3_GETRANGE_UIDL_RECV:
 842                 progress_dialog_set_label
 843                         (dialog, _("Getting the number of new messages (UIDL)..."));
 844                 break;
 845         case POP3_GETSIZE_LIST_SEND:
 846         case POP3_GETSIZE_LIST_RECV:
 847                 progress_dialog_set_label
 848                         (dialog, _("Getting the size of messages (LIST)..."));
 849                 break;
 850         case POP3_RETR_SEND:
 851         case POP3_RETR_RECV:
 852                 Xstrdup_a(total_size, to_human_readable(state->total_bytes), return);
 853                 g_snprintf(buf, sizeof(buf),
 854                            _("Retrieving message (%d / %d) (%s / %s)"),
 855                            state->cur_msg, state->count,
 856                            to_human_readable(state->cur_total_bytes),
 857                            total_size);
 858                 progress_dialog_set_label(dialog, buf);
 859                 progress_dialog_set_percentage
 860                         (dialog,
 861                          (gfloat)(state->cur_total_bytes) /
 862                          (gfloat)(state->total_bytes));
 863                 gtk_progress_bar_update
 864                         (GTK_PROGRESS_BAR(inc_dialog->mainwin->progressbar),
 865                          (gfloat)(state->cur_total_bytes) /
 866                          (gfloat)(state->total_bytes));
 867                 break;
 868         case POP3_DELETE_SEND:
 869         case POP3_DELETE_RECV:
 870                 progress_dialog_set_label(dialog, _("Deleting message"));
 871                 break;
 872         case POP3_LOGOUT_SEND:
 873         case POP3_LOGOUT_RECV:
 874                 progress_dialog_set_label(dialog, _("Quitting"));
 875                 break;
 876         default:
 877                 break;
 878         }
 879 }
 880
 881 gint inc_drop_message(const gchar *file, Pop3State *state)
 882 {
 883         FolderItem *inbox;
 884         FolderItem *dropfolder;
 885         gint val;
 886         gint msgnum;
 887
 888         /* CLAWS: get default inbox (perhaps per account) */
 889         if (state->ac_prefs->inbox) {
 890                 /* CLAWS: get destination folder / mailbox */
 891                 inbox = folder_find_item_from_identifier(state->ac_prefs->inbox);
 892                 if (!inbox)
 893                         inbox = folder_get_default_inbox();
 894         } else
 895                 inbox = folder_get_default_inbox();
 896         if (!inbox) {
 897                 unlink(file);
 898                 return -1;
 899         }
 900
 901         /* CLAWS: claws uses a global .processing folder for the filtering. */
 902         if (global_processing == NULL) {
 903                 if (state->ac_prefs->filter_on_recv) {
 904                         dropfolder =
 905                                 filter_get_dest_folder(prefs_common.fltlist, file);
 906                         if (!dropfolder) dropfolder = inbox;
 907                         else if (!strcmp(dropfolder->path, FILTER_NOT_RECEIVE)) {
 908                                 g_warning(_("a message won't be received\n"));
 909                                 return 1;
 910                         }
 911                 } else
 912                         dropfolder = inbox;
 913         } else {
 914                 dropfolder = folder_get_default_processing();
 915         }
 916
 917         val = GPOINTER_TO_INT(g_hash_table_lookup
 918                               (state->folder_table, dropfolder));
 919         if (val == 0) {
 920                 folder_item_scan(dropfolder);
 921                 g_hash_table_insert(state->folder_table, dropfolder,
 922                                     GINT_TO_POINTER(1));
 923         }
 924
 925         /* add msg file to drop folder */
 926         if ((msgnum = folder_item_add_msg(dropfolder, file, TRUE)) < 0) {
 927                 unlink(file);
 928                 return -1;
 929         }
 930
 931         /* CLAWS: perform filtering actions on dropped message */
 932         if (global_processing != NULL) {
 933                 if (state->ac_prefs->filter_on_recv)
 934                         filter_message(global_processing, inbox, msgnum,
 935                                        state->folder_table);
 936         }
 937
 938         return 0;
 939 }
 940
 941 static void inc_put_error(IncState istate)
 942 {
 943         switch (istate) {
 944         case INC_ERROR:
 945                 if(!prefs_common.noerrorpanel) {
 946                         alertpanel_error(_("Error occurred while processing mail."));
 947                 }
 948                 break;
 949         case INC_NOSPACE:
 950                 alertpanel_error(_("No disk space left."));
 951                 break;
 952         default:
 953                 break;
 954         }
 955 }
 956
 957 static void inc_cancel(GtkWidget *widget, gpointer data)
 958 {
 959         IncProgressDialog *dialog = data;
 960         IncSession *session = dialog->queue_list->data;
 961         SockInfo *sockinfo = session->pop3_state->sockinfo;
 962
 963         if (!sockinfo || session->atm->terminated == TRUE) return;
 964
 965 #if USE_THREADS
 966         if (sockinfo->state == CONN_READY ||
 967             sockinfo->state == CONN_LOOKUPSUCCESS) {
 968                 pthread_cancel(sockinfo->connect_thr);
 969                 /* pthread_kill(sockinfo->connect_thr, SIGINT); */
 970                 g_print("connection was cancelled.\n");
 971         }
 972 #endif
 973
 974         session->pop3_state->inc_state = INC_CANCEL;
 975         pop3_automaton_terminate(sockinfo, session->atm);
 976         session->pop3_state->sockinfo = NULL;
 977 }
 978
 979 static gint inc_spool(void)
 980 {
 981         gchar *mbox, *logname;
 982         gint msgs;
 983
 984         logname = g_get_user_name();
 985         mbox = g_strconcat(prefs_common.spool_path
 986                            ? prefs_common.spool_path : DEFAULT_SPOOL_PATH,
 987                            G_DIR_SEPARATOR_S, logname, NULL);
 988         msgs = get_spool(folder_get_default_inbox(), mbox);
 989         g_free(mbox);
 990
 991         return msgs;
 992 }
 993
 994 static void inc_spool_account(PrefsAccount *account)
 995 {
 996         FolderItem *inbox;
 997         FolderItem *dropfolder;
 998         gint val;
 999
1000         if (account->inbox) {
1001                 inbox = folder_find_item_from_path(account->inbox);
1002                 if (!inbox)
1003                         inbox = folder_get_default_inbox();
1004         } else
1005                 inbox = folder_get_default_inbox();
1006
1007         get_spool(inbox, account->local_mbox);
1008 }
1009
1010 static void inc_all_spool(void)
1011 {
1012         GList *list = NULL;
1013
1014         list = account_get_list();
1015         if (!list) return;
1016
1017         for (; list != NULL; list = list->next) {
1018                 IncSession *session;
1019                 PrefsAccount *account = list->data;
1020
1021                 if (account->protocol == A_LOCAL)
1022                         inc_spool_account(account);
1023         }
1024 }
1025
1026 static gint get_spool(FolderItem *dest, const gchar *mbox)
1027 {
1028         gint msgs, size;
1029         gint lockfd;
1030         gchar tmp_mbox[MAXPATHLEN + 1];
1031         GHashTable *folder_table = NULL;
1032
1033         g_return_val_if_fail(dest != NULL, -1);
1034         g_return_val_if_fail(mbox != NULL, -1);
1035
1036         if (!is_file_exist(mbox) || (size = get_file_size(mbox)) == 0) {
1037                 debug_print(_("no messages in local mailbox.\n"));
1038                 return 0;
1039         } else if (size < 0)
1040                 return -1;
1041
1042         if ((lockfd = lock_mbox(mbox, LOCK_FLOCK)) < 0)
1043                 return -1;
1044
1045         g_snprintf(tmp_mbox, sizeof(tmp_mbox), "%s%ctmpmbox%d",
1046                    get_rc_dir(), G_DIR_SEPARATOR, (gint)mbox);
1047
1048         if (copy_mbox(mbox, tmp_mbox) < 0)
1049                 return -1;
1050
1051         debug_print(_("Getting new messages from %s into %s...\n"),
1052                     mbox, dest->path);
1053
1054         if (prefs_common.filter_on_inc)
1055                 folder_table = g_hash_table_new(NULL, NULL);
1056         msgs = proc_mbox(dest, tmp_mbox, folder_table);
1057
1058         unlink(tmp_mbox);
1059         if (msgs >= 0) empty_mbox(mbox);
1060         unlock_mbox(mbox, lockfd, LOCK_FLOCK);
1061
1062         if (folder_table) {
1063                 if (!prefs_common.scan_all_after_inc) {
1064                 g_hash_table_insert(folder_table, dest,
1065                                     GINT_TO_POINTER(1));
1066                         folder_item_scan_foreach(folder_table);
1067                         folderview_update_item_foreach(folder_table);
1068                 }
1069                 g_hash_table_destroy(folder_table);
1070         } else if (!prefs_common.scan_all_after_inc) {
1071                 folder_item_scan(dest);
1072                 folderview_update_item(dest, FALSE);
1073         }
1074
1075         return msgs;
1076 }
1077
1078 void inc_lock(void)
1079 {
1080         inc_lock_count++;
1081 }
1082
1083 void inc_unlock(void)
1084 {
1085         if (inc_lock_count > 0)
1086                 inc_lock_count--;
1087 }
1088
1089 static guint autocheck_timer = 0;
1090 static gpointer autocheck_data = NULL;
1091
1092 void inc_autocheck_timer_init(MainWindow *mainwin)
1093 {
1094         autocheck_data = mainwin;
1095         inc_autocheck_timer_set();
1096 }
1097
1098 static void inc_autocheck_timer_set_interval(guint interval)
1099 {
1100         inc_autocheck_timer_remove();
1101
1102         if (prefs_common.autochk_newmail && autocheck_data) {
1103                 autocheck_timer = gtk_timeout_add
1104                         (interval, inc_autocheck_func, autocheck_data);
1105                 debug_print("added timer = %d\n", autocheck_timer);
1106         }
1107 }
1108
1109 void inc_autocheck_timer_set(void)
1110 {
1111         inc_autocheck_timer_set_interval(prefs_common.autochk_itv * 60000);
1112 }
1113
1114 void inc_autocheck_timer_remove(void)
1115 {
1116         if (autocheck_timer) {
1117                 debug_print("removed timer = %d\n", autocheck_timer);
1118                 gtk_timeout_remove(autocheck_timer);
1119                 autocheck_timer = 0;
1120         }
1121 }
1122
1123 static gint inc_autocheck_func(gpointer data)
1124 {
1125         MainWindow *mainwin = (MainWindow *)data;
1126
1127         if (inc_lock_count) {
1128                 debug_print("autocheck is locked.\n");
1129                 inc_autocheck_timer_set_interval(1000);
1130                 return FALSE;
1131         }
1132
1133         inc_all_account_mail(mainwin);
1134
1135         return FALSE;
1136 }