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 "pop.h"
  52 #include "recv.h"
  53 #include "mbox.h"
  54 #include "utils.h"
  55 #include "gtkutils.h"
  56 #include "statusbar.h"
  57 #include "manage_window.h"
  58 #include "progressdialog.h"
  59 #include "inputdialog.h"
  60 #include "alertpanel.h"
  61 #include "filter.h"
  62 #include "automaton.h"
  63 #include "folder.h"
  64 #include "filtering.h"
  65
  66 #include "pixmaps/continue.xpm"
  67 #include "pixmaps/complete.xpm"
  68 #include "pixmaps/error.xpm"
  69
  70 GdkPixmap *currentxpm;
  71 GdkBitmap *currentxpmmask;
  72 GdkPixmap *errorxpm;
  73 GdkBitmap *errorxpmmask;
  74 GdkPixmap *okxpm;
  75 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
 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         /* XXX: major problems right here. if we change marks after
 137          * incorporation of mail, folderview_select() rewrites it
 138          * right under our nose. folderview_select() eventually
 139          * calls summary_show(), which rewrites the cache twice:
 140          * one for the previously selected FolderItem*, and one
 141          * for the newly selected FolderItem*
 142          *
 143          * since filtering also allows changing mark files,
 144          * i've solved this by using a global variable (in
 145          * SummmaryView*). a better solution is to use the folder
 146          * hash table, and see whether the newly and currently
 147          * selected FolderItem* where updated by the filtering. */
 148
 149         mainwin->summaryview->filtering_happened = TRUE;
 150
 151         /* XXX: filtering_happened is reset by summary_show() */
 152
 153         if (!new_messages && !prefs_common.scan_all_after_inc) return;
 154
 155         if (prefs_common.open_inbox_on_inc) {
 156                 item = cur_account && cur_account->inbox
 157                         ? folder_find_item_from_path(cur_account->inbox)
 158                         : folder_get_default_inbox();
 159                 folderview_unselect(mainwin->folderview);
 160                 folderview_select(mainwin->folderview, item);
 161         } else {
 162                 item = mainwin->summaryview->folder_item;
 163                 folderview_unselect(mainwin->folderview);
 164                 folderview_select(mainwin->folderview, item);
 165         }
 166 }
 167
 168 void inc_mail(MainWindow *mainwin)
 169 {
 170         gint new_msgs = 0;
 171
 172         inc_autocheck_timer_remove();
 173         summary_write_cache(mainwin->summaryview);
 174         main_window_lock(mainwin);
 175
 176         if (prefs_common.use_extinc && prefs_common.extinc_path) {
 177                 gint pid;
 178
 179                 /* external incorporating program */
 180                 if ((pid = fork()) < 0) {
 181                         perror("fork");
 182                         main_window_unlock(mainwin);
 183                         inc_autocheck_timer_set();
 184                         return;
 185                 }
 186
 187                 if (pid == 0) {
 188                         execlp(prefs_common.extinc_path,
 189                                g_basename(prefs_common.extinc_path),
 190                                NULL);
 191
 192                         /* this will be called when failed */
 193                         perror("exec");
 194                         _exit(1);
 195                 }
 196
 197                 /* wait until child process is terminated */
 198                 waitpid(pid, NULL, 0);
 199
 200                 if (prefs_common.inc_local)
 201                         new_msgs = inc_spool();
 202         } else {
 203                 if (prefs_common.inc_local)
 204                         new_msgs = inc_spool();
 205
 206                 new_msgs += inc_account_mail(cur_account, mainwin);
 207         }
 208
 209         inc_finished(mainwin, new_msgs > 0);
 210         main_window_unlock(mainwin);
 211         inc_autocheck_timer_set();
 212 }
 213
 214 static gint inc_account_mail(PrefsAccount *account, MainWindow *mainwin)
 215 {
 216         IncProgressDialog *inc_dialog;
 217         IncSession *session;
 218         gchar *text[3];
 219
 220         session = inc_session_new(account);
 221         if (!session) return 0;
 222
 223         inc_dialog = inc_progress_dialog_create();
 224         inc_dialog->queue_list = g_list_append(inc_dialog->queue_list, session);
 225         inc_dialog->mainwin = mainwin;
 226         session->data = inc_dialog;
 227
 228         text[0] = NULL;
 229         text[1] = account->account_name;
 230         text[2] = _("Standby");
 231         gtk_clist_append(GTK_CLIST(inc_dialog->dialog->clist), text);
 232
 233         return inc_start(inc_dialog);
 234 }
 235
 236 void inc_all_account_mail(MainWindow *mainwin)
 237 {
 238         GList *list, *queue_list = NULL;
 239         IncProgressDialog *inc_dialog;
 240         gint new_msgs = 0;
 241
 242         inc_autocheck_timer_remove();
 243         summary_write_cache(mainwin->summaryview);
 244         main_window_lock(mainwin);
 245
 246         if (prefs_common.inc_local)
 247                 new_msgs = inc_spool();
 248
 249         list = account_get_list();
 250         if (!list) {
 251                 inc_finished(mainwin, new_msgs > 0);
 252                 main_window_unlock(mainwin);
 253                 inc_autocheck_timer_set();
 254                 return;
 255         }
 256
 257         for (; list != NULL; list = list->next) {
 258                 IncSession *session;
 259                 PrefsAccount *account = list->data;
 260
 261                 if (account->recv_at_getall) {
 262                         session = inc_session_new(account);
 263                         if (session)
 264                                 queue_list = g_list_append(queue_list, session);
 265                 }
 266         }
 267
 268         if (!queue_list) {
 269                 inc_finished(mainwin, new_msgs > 0);
 270                 main_window_unlock(mainwin);
 271                 inc_autocheck_timer_set();
 272                 return;
 273         }
 274
 275         inc_dialog = inc_progress_dialog_create();
 276         inc_dialog->queue_list = queue_list;
 277         inc_dialog->mainwin = mainwin;
 278         for (list = queue_list; list != NULL; list = list->next) {
 279                 IncSession *session = list->data;
 280                 gchar *text[3];
 281
 282                 session->data = inc_dialog;
 283
 284                 text[0] = NULL;
 285                 text[1] = session->pop3_state->ac_prefs->account_name;
 286                 text[2] = _("Standby");
 287                 gtk_clist_append(GTK_CLIST(inc_dialog->dialog->clist), text);
 288         }
 289
 290         new_msgs += inc_start(inc_dialog);
 291
 292         inc_finished(mainwin, new_msgs > 0);
 293         main_window_unlock(mainwin);
 294         inc_autocheck_timer_set();
 295 }
 296
 297 static IncProgressDialog *inc_progress_dialog_create(void)
 298 {
 299         IncProgressDialog *dialog;
 300         ProgressDialog *progress;
 301
 302         dialog = g_new0(IncProgressDialog, 1);
 303
 304         progress = progress_dialog_create();
 305         gtk_window_set_title(GTK_WINDOW(progress->window),
 306                              _("Retrieving new messages"));
 307         gtk_signal_connect(GTK_OBJECT(progress->cancel_btn), "clicked",
 308                            GTK_SIGNAL_FUNC(inc_cancel), dialog);
 309         gtk_signal_connect(GTK_OBJECT(progress->window), "delete_event",
 310                            GTK_SIGNAL_FUNC(gtk_true), NULL);
 311
 312         progress_dialog_set_value(progress, 0.0);
 313
 314         PIXMAP_CREATE(progress->clist, okxpm, okxpmmask, complete_xpm);
 315         PIXMAP_CREATE(progress->clist,
 316                       currentxpm, currentxpmmask, continue_xpm);
 317         PIXMAP_CREATE(progress->clist, errorxpm, errorxpmmask, error_xpm);
 318
 319         if (prefs_common.recv_dialog_mode == RECV_DIALOG_ALWAYS ||
 320             (prefs_common.recv_dialog_mode == RECV_DIALOG_ACTIVE &&
 321              manage_window_get_focus_window())) {
 322                 dialog->show_dialog = TRUE;
 323                 gtk_widget_show_now(progress->window);
 324         }
 325
 326         dialog->dialog = progress;
 327         dialog->queue_list = NULL;
 328
 329         return dialog;
 330 }
 331
 332 static void inc_progress_dialog_clear(IncProgressDialog *inc_dialog)
 333 {
 334         progress_dialog_set_value(inc_dialog->dialog, 0.0);
 335         progress_dialog_set_label(inc_dialog->dialog, "");
 336         gtk_progress_bar_update
 337                 (GTK_PROGRESS_BAR(inc_dialog->mainwin->progressbar), 0.0);
 338 }
 339
 340 static void inc_progress_dialog_destroy(IncProgressDialog *inc_dialog)
 341 {
 342         g_return_if_fail(inc_dialog != NULL);
 343
 344         gtk_progress_bar_update
 345                 (GTK_PROGRESS_BAR(inc_dialog->mainwin->progressbar), 0.0);
 346         progress_dialog_destroy(inc_dialog->dialog);
 347
 348         g_free(inc_dialog);
 349 }
 350
 351 static IncSession *inc_session_new(PrefsAccount *account)
 352 {
 353         IncSession *session;
 354
 355         g_return_val_if_fail(account != NULL, NULL);
 356
 357         if (account->protocol != A_POP3 && account->protocol != A_APOP)
 358                 return NULL;
 359         if (!account->recv_server || !account->userid)
 360                 return NULL;
 361
 362         session = g_new0(IncSession, 1);
 363         session->pop3_state = inc_pop3_state_new(account);
 364         session->pop3_state->session = session;
 365
 366         return session;
 367 }
 368
 369 static void inc_session_destroy(IncSession *session)
 370 {
 371         g_return_if_fail(session != NULL);
 372
 373         inc_pop3_state_destroy(session->pop3_state);
 374         g_free(session);
 375 }
 376
 377 static Pop3State *inc_pop3_state_new(PrefsAccount *account)
 378 {
 379         Pop3State *state;
 380
 381         state = g_new0(Pop3State, 1);
 382
 383         state->ac_prefs = account;
 384         state->folder_table = g_hash_table_new(NULL, NULL);
 385         state->id_table = inc_get_uidl_table(account);
 386         state->id_list = NULL;
 387         state->new_id_list = NULL;
 388         state->inc_state = INC_SUCCESS;
 389
 390         return state;
 391 }
 392
 393 static void inc_pop3_state_destroy(Pop3State *state)
 394 {
 395         g_hash_table_destroy(state->folder_table);
 396         g_free(state->sizes);
 397
 398         if (state->id_table) {
 399                 hash_free_strings(state->id_table);
 400                 g_hash_table_destroy(state->id_table);
 401         }
 402         slist_free_strings(state->id_list);
 403         slist_free_strings(state->new_id_list);
 404         g_slist_free(state->id_list);
 405         g_slist_free(state->new_id_list);
 406
 407         g_free(state->greeting);
 408         g_free(state->user);
 409         g_free(state->pass);
 410         g_free(state->prev_folder);
 411
 412         g_free(state);
 413 }
 414
 415 static gint inc_start(IncProgressDialog *inc_dialog)
 416 {
 417         IncSession *session;
 418         GtkCList *clist = GTK_CLIST(inc_dialog->dialog->clist);
 419         Pop3State *pop3_state;
 420         IncState inc_state;
 421         gint num = 0;
 422         gint error_num = 0;
 423         gint new_msgs = 0;
 424
 425         /* gtk_label_set_text(GTK_LABEL(inc_dialog->mainwin->statuslabel),
 426                            _("Receiving"));  */
 427
 428         while (inc_dialog->queue_list != NULL) {
 429                 session = inc_dialog->queue_list->data;
 430                 pop3_state = session->pop3_state;
 431
 432                 inc_progress_dialog_clear(inc_dialog);
 433
 434                 pop3_state->user = g_strdup(pop3_state->ac_prefs->userid);
 435                 if (pop3_state->ac_prefs->passwd)
 436                         pop3_state->pass =
 437                                 g_strdup(pop3_state->ac_prefs->passwd);
 438                 else if (pop3_state->ac_prefs->tmp_pass)
 439                         pop3_state->pass =
 440                                 g_strdup(pop3_state->ac_prefs->tmp_pass);
 441                 else {
 442                         gchar *pass;
 443                         gchar *message;
 444
 445                         message = g_strdup_printf
 446                                 (_("Input password for %s on %s:"),
 447                                  pop3_state->user,
 448                                  pop3_state->ac_prefs->recv_server);
 449
 450                         pass = input_dialog_with_invisible(_("Input password"),
 451                                                            message, NULL);
 452                         g_free(message);
 453                         if (inc_dialog->show_dialog)
 454                                 manage_window_focus_in
 455                                         (inc_dialog->mainwin->window,
 456                                          NULL, NULL);
 457                         if (pass) {
 458                                 pop3_state->ac_prefs->tmp_pass = g_strdup(pass);
 459                                 pop3_state->pass = pass;
 460                         } else {
 461                                 inc_session_destroy(session);
 462                                 inc_dialog->queue_list = g_list_remove
 463                                         (inc_dialog->queue_list, session);
 464                                 continue;
 465                         }
 466                 }
 467
 468                 gtk_clist_set_pixmap(clist, num, 0, currentxpm, currentxpmmask);
 469                 gtk_clist_set_text(clist, num, 2, _("Retrieving"));
 470
 471                 /* begin POP3 session */
 472                 inc_state = inc_pop3_session_do(session);
 473
 474                 if (inc_state == INC_SUCCESS) {
 475                         gtk_clist_set_pixmap(clist, num, 0, okxpm, okxpmmask);
 476                         gtk_clist_set_text(clist, num, 2, _("Done"));
 477                 } else if (inc_state == INC_CANCEL) {
 478                         gtk_clist_set_pixmap(clist, num, 0, okxpm, okxpmmask);
 479                         gtk_clist_set_text(clist, num, 2, _("Cancelled"));
 480                 } else {
 481                         gtk_clist_set_pixmap(clist, num, 0, errorxpm, errorxpmmask);
 482                         if (inc_state == INC_CONNECT_ERROR)
 483                                 gtk_clist_set_text(clist, num, 2,
 484                                                    _("Connection failed"));
 485                         else if (inc_state == INC_AUTH_FAILED)
 486                                 gtk_clist_set_text(clist, num, 2,
 487                                                    _("Auth failed"));
 488                         else
 489                                 gtk_clist_set_text(clist, num, 2, _("Error"));
 490                 }
 491
 492                 if (pop3_state->error_val == PS_AUTHFAIL) {
 493                         if(!prefs_common.noerrorpanel) {
 494                                 if((prefs_common.recv_dialog_mode == RECV_DIALOG_ALWAYS) ||
 495                                     ((prefs_common.recv_dialog_mode == RECV_DIALOG_ACTIVE) && focus_window)) {
 496                                         manage_window_focus_in(inc_dialog->dialog->window, NULL, NULL);
 497                                 }
 498                                 alertpanel_error
 499                                         (_("Authorization for %s on %s failed"),
 500                                          pop3_state->user,
 501                                          pop3_state->ac_prefs->recv_server);
 502                         }
 503                 }
 504
 505                 statusbar_pop_all();
 506
 507                 new_msgs += pop3_state->cur_total_num;
 508
 509                 if (!prefs_common.scan_all_after_inc) {
 510                         folder_item_scan_foreach(pop3_state->folder_table);
 511                         folderview_update_item_foreach
 512                                 (pop3_state->folder_table);
 513                 }
 514
 515                 if (pop3_state->error_val == PS_AUTHFAIL &&
 516                     pop3_state->ac_prefs->tmp_pass) {
 517                         g_free(pop3_state->ac_prefs->tmp_pass);
 518                         pop3_state->ac_prefs->tmp_pass = NULL;
 519                 }
 520
 521                 inc_write_uidl_list(pop3_state);
 522
 523                 if (inc_state != INC_SUCCESS && inc_state != INC_CANCEL) {
 524                         error_num++;
 525                         if (inc_state == INC_NOSPACE) {
 526                                 inc_put_error(inc_state);
 527                                 break;
 528                         }
 529                 }
 530
 531                 inc_session_destroy(session);
 532                 inc_dialog->queue_list =
 533                         g_list_remove(inc_dialog->queue_list, session);
 534
 535                 num++;
 536         }
 537
 538         /* gtk_label_set_text(GTK_LABEL(inc_dialog->mainwin->statuslabel), "");  */
 539
 540         if (error_num && !prefs_common.noerrorpanel) {
 541                 if (inc_dialog->show_dialog)
 542                         manage_window_focus_in(inc_dialog->dialog->window,
 543                                                NULL, NULL);
 544                 alertpanel_error(_("Some errors occured while getting mail."));
 545                 if (inc_dialog->show_dialog)
 546                         manage_window_focus_out(inc_dialog->dialog->window,
 547                                                 NULL, NULL);
 548         }
 549
 550         while (inc_dialog->queue_list != NULL) {
 551                 session = inc_dialog->queue_list->data;
 552                 inc_session_destroy(session);
 553                 inc_dialog->queue_list =
 554                         g_list_remove(inc_dialog->queue_list, session);
 555         }
 556
 557         inc_progress_dialog_destroy(inc_dialog);
 558
 559         return new_msgs;
 560 }
 561
 562
 563 static IncState inc_pop3_session_do(IncSession *session)
 564 {
 565         Pop3State *pop3_state = session->pop3_state;
 566         IncProgressDialog *inc_dialog = (IncProgressDialog *)session->data;
 567         Automaton *atm;
 568         SockInfo *sockinfo;
 569         gint i;
 570         gchar *server;
 571         gushort port;
 572         gchar *buf;
 573         static AtmHandler handlers[] = {
 574                 pop3_greeting_recv      ,
 575                 pop3_getauth_user_send  , pop3_getauth_user_recv,
 576                 pop3_getauth_pass_send  , pop3_getauth_pass_recv,
 577                 pop3_getauth_apop_send  , pop3_getauth_apop_recv,
 578                 pop3_getrange_stat_send , pop3_getrange_stat_recv,
 579                 pop3_getrange_last_send , pop3_getrange_last_recv,
 580                 pop3_getrange_uidl_send , pop3_getrange_uidl_recv,
 581                 pop3_getsize_list_send  , pop3_getsize_list_recv,
 582                 pop3_retr_send          , pop3_retr_recv,
 583                 pop3_delete_send        , pop3_delete_recv,
 584                 pop3_logout_send        , pop3_logout_recv
 585         };
 586
 587         debug_print(_("getting new messages of account %s...\n"),
 588                     pop3_state->ac_prefs->account_name);
 589
 590         atm = automaton_create(N_POP3_PHASE);
 591
 592         session->atm = atm;
 593         atm->data = pop3_state;
 594
 595         buf = g_strdup_printf(_("%s: Retrieving new messages"),
 596                               pop3_state->ac_prefs->recv_server);
 597         gtk_window_set_title(GTK_WINDOW(inc_dialog->dialog->window), buf);
 598         g_free(buf);
 599
 600         for (i = POP3_GREETING_RECV; i < N_POP3_PHASE; i++)
 601                 atm->state[i].handler = handlers[i];
 602         atm->state[POP3_GREETING_RECV].condition = GDK_INPUT_READ;
 603         for (i = POP3_GETAUTH_USER_SEND; i < N_POP3_PHASE; ) {
 604                 atm->state[i++].condition = GDK_INPUT_WRITE;
 605                 atm->state[i++].condition = GDK_INPUT_READ;
 606         }
 607
 608         atm->terminate = (AtmHandler)pop3_automaton_terminate;
 609
 610         atm->num = POP3_GREETING_RECV;
 611
 612         server = pop3_state->ac_prefs->recv_server;
 613 #if USE_SSL
 614         port = pop3_state->ac_prefs->set_popport ?
 615                 pop3_state->ac_prefs->popport : (pop3_state->ac_prefs->ssl_pop ? 995 : 110);
 616 #else
 617         port = pop3_state->ac_prefs->set_popport ?
 618                 pop3_state->ac_prefs->popport : 110;
 619 #endif
 620
 621         buf = g_strdup_printf(_("Connecting to POP3 server: %s ..."), server);
 622         log_message("%s\n", buf);
 623         progress_dialog_set_label(inc_dialog->dialog, buf);
 624         g_free(buf);
 625         GTK_EVENTS_FLUSH();
 626         statusbar_pop_all();
 627
 628 #if USE_THREADS
 629         if ((sockinfo = sock_connect_with_thread(server, port)) == NULL) {
 630 #else
 631         if ((sockinfo = sock_connect(server, port)) == NULL) {
 632 #endif
 633                 log_warning(_("Can't connect to POP3 server: %s:%d\n"),
 634                             server, port);
 635                 if(!prefs_common.noerrorpanel) {
 636                         if((prefs_common.recv_dialog_mode == RECV_DIALOG_ALWAYS) ||
 637                             ((prefs_common.recv_dialog_mode == RECV_DIALOG_ACTIVE) && focus_window)) {
 638                                 manage_window_focus_in(inc_dialog->dialog->window, NULL, NULL);
 639                         }
 640                         alertpanel_error(_("Can't connect to POP3 server: %s:%d"),
 641                                          server, port);
 642                         manage_window_focus_out(inc_dialog->dialog->window, NULL, NULL);
 643                 }
 644                 pop3_automaton_terminate(NULL, atm);
 645                 automaton_destroy(atm);
 646
 647                 return INC_CONNECT_ERROR;
 648         }
 649
 650         /* :WK: Hmmm, with the later sock_gdk_input, we have 2 references
 651          * to the sock structure - implement a reference counter?? */
 652         pop3_state->sockinfo = sockinfo;
 653         atm->help_sock = sockinfo;
 654
 655 #ifdef USE_SSL
 656         if(pop3_state->ac_prefs->ssl_pop) {
 657                 if(!ssl_init_socket(sockinfo)) {
 658                         pop3_automaton_terminate(NULL, atm);
 659                         automaton_destroy(atm);
 660
 661                         return INC_CONNECT_ERROR;
 662                 }
 663         } else {
 664                 sockinfo->ssl = NULL;
 665         }
 666 #endif
 667
 668         log_verbosity_set(TRUE);
 669         recv_set_ui_func(inc_pop3_recv_func, session);
 670
 671 #if USE_THREADS
 672         atm->timeout_tag = gtk_timeout_add
 673                 (TIMEOUT_ITV, (GtkFunction)connection_check_cb, atm);
 674 #else
 675         atm->tag = sock_gdk_input_add(sockinfo,
 676                                       atm->state[atm->num].condition,
 677                                       automaton_input_cb, atm);
 678 #endif
 679
 680         gtk_main();
 681
 682         log_verbosity_set(FALSE);
 683         recv_set_ui_func(NULL, NULL);
 684
 685 #if USE_THREADS
 686 /*
 687         pthread_join(sockinfo->connect_thr, NULL);
 688 */
 689 #endif
 690
 691 #if USE_SSL
 692         ssl_done_socket(sockinfo);
 693 #endif
 694         automaton_destroy(atm);
 695
 696         return pop3_state->inc_state;
 697 }
 698
 699 static gint pop3_automaton_terminate(SockInfo *source, Automaton *atm)
 700 {
 701         if (atm->tag > 0) {
 702                 gdk_input_remove(atm->tag);
 703                 atm->tag = 0;
 704         }
 705         if (atm->timeout_tag > 0) {
 706                 gtk_timeout_remove(atm->timeout_tag);
 707                 atm->timeout_tag = 0;
 708         }
 709         if (source) {
 710                 sock_close(source);
 711                 gtk_main_quit();
 712         }
 713
 714         atm->terminated = TRUE;
 715
 716         return 0;
 717 }
 718
 719 static GHashTable *inc_get_uidl_table(PrefsAccount *ac_prefs)
 720 {
 721         GHashTable *table;
 722         gchar *path;
 723         FILE *fp;
 724         gchar buf[IDLEN + 3];
 725
 726         path = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S,
 727                            "uidl-", ac_prefs->recv_server,
 728                            "-", ac_prefs->userid, NULL);
 729         if ((fp = fopen(path, "r")) == NULL) {
 730                 if (ENOENT != errno) FILE_OP_ERROR(path, "fopen");
 731                 g_free(path);
 732                 return NULL;
 733         }
 734         g_free(path);
 735
 736         table = g_hash_table_new(g_str_hash, g_str_equal);
 737
 738         while (fgets(buf, sizeof(buf), fp) != NULL) {
 739                 strretchomp(buf);
 740                 g_hash_table_insert(table, g_strdup(buf), GINT_TO_POINTER(1));
 741         }
 742
 743         fclose(fp);
 744
 745         return table;
 746 }
 747
 748 static void inc_write_uidl_list(Pop3State *state)
 749 {
 750         gchar *path;
 751         FILE *fp;
 752         GSList *cur;
 753
 754         if (!state->id_list) return;
 755
 756         path = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S,
 757                            "uidl-", state->ac_prefs->recv_server,
 758                            "-", state->user, NULL);
 759         if ((fp = fopen(path, "w")) == NULL) {
 760                 FILE_OP_ERROR(path, "fopen");
 761                 g_free(path);
 762                 return;
 763         }
 764
 765         for (cur = state->id_list; cur != NULL; cur = cur->next) {
 766                 if (fputs((gchar *)cur->data, fp) == EOF) {
 767                         FILE_OP_ERROR(path, "fputs");
 768                         break;
 769                 }
 770                 if (fputc('\n', fp) == EOF) {
 771                         FILE_OP_ERROR(path, "fputc");
 772                         break;
 773                 }
 774         }
 775
 776         if (fclose(fp) == EOF) FILE_OP_ERROR(path, "fclose");
 777         g_free(path);
 778 }
 779
 780 #if USE_THREADS
 781 static gint connection_check_cb(Automaton *atm)
 782 {
 783         Pop3State *state = atm->data;
 784         IncProgressDialog *inc_dialog = state->session->data;
 785         SockInfo *sockinfo = state->sockinfo;
 786
 787         /* g_print("connection check\n"); */
 788
 789         if (sockinfo->state == CONN_LOOKUPFAILED ||
 790             sockinfo->state == CONN_FAILED) {
 791                 atm->timeout_tag = 0;
 792                 log_warning(_("Can't connect to POP3 server: %s:%d\n"),
 793                             sockinfo->hostname, sockinfo->port);
 794                 if(!prefs_common.noerrorpanel) {
 795                         if((prefs_common.recv_dialog_mode == RECV_DIALOG_ALWAYS) ||
 796                             ((prefs_common.recv_dialog_mode == RECV_DIALOG_ACTIVE) && focus_window)) {
 797                                 manage_window_focus_in(inc_dialog->dialog->window, NULL, NULL);
 798                         }
 799                         alertpanel_error(_("Can't connect to POP3 server: %s:%d"),
 800                                          sockinfo->hostname, sockinfo->port);
 801                         manage_window_focus_out(inc_dialog->dialog->window, NULL, NULL);
 802                 }
 803                 pop3_automaton_terminate(sockinfo, atm);
 804                 return FALSE;
 805         } else if (sockinfo->state == CONN_ESTABLISHED) {
 806                 atm->timeout_tag = 0;
 807                 atm->tag = sock_gdk_input_add(sockinfo,
 808                                               atm->state[atm->num].condition,
 809                                               automaton_input_cb, atm);
 810                 return FALSE;
 811         } else {
 812                 return TRUE;
 813         }
 814 }
 815 #endif
 816
 817 static void inc_pop3_recv_func(SockInfo *sock, gint count, gint read_bytes,
 818                                gpointer data)
 819 {
 820         gchar buf[MSGBUFSIZE];
 821         IncSession *session = (IncSession *)data;
 822         Pop3State *state = session->pop3_state;
 823         IncProgressDialog *inc_dialog = session->data;
 824         ProgressDialog *dialog = inc_dialog->dialog;
 825         gint cur_total;
 826         gchar *total_size;
 827
 828         cur_total = state->cur_total_bytes + read_bytes;
 829         if (cur_total > state->total_bytes)
 830                 cur_total = state->total_bytes;
 831
 832         Xstrdup_a(total_size, to_human_readable(state->total_bytes), return);
 833         g_snprintf(buf, sizeof(buf),
 834                    _("Retrieving message (%d / %d) (%s / %s)"),
 835                    state->cur_msg, state->count,
 836                    to_human_readable(cur_total), total_size);
 837         progress_dialog_set_label(dialog, buf);
 838
 839         progress_dialog_set_percentage
 840                 (dialog, (gfloat)cur_total / (gfloat)state->total_bytes);
 841         gtk_progress_bar_update
 842                 (GTK_PROGRESS_BAR(inc_dialog->mainwin->progressbar),
 843                  (gfloat)cur_total / (gfloat)state->total_bytes);
 844         GTK_EVENTS_FLUSH();
 845 }
 846
 847 void inc_progress_update(Pop3State *state, Pop3Phase phase)
 848 {
 849         gchar buf[MSGBUFSIZE];
 850         IncProgressDialog *inc_dialog = state->session->data;
 851         ProgressDialog *dialog = inc_dialog->dialog;
 852         gchar *total_size;
 853
 854         switch (phase) {
 855         case POP3_GREETING_RECV:
 856                 break;
 857         case POP3_GETAUTH_USER_SEND:
 858         case POP3_GETAUTH_USER_RECV:
 859         case POP3_GETAUTH_PASS_SEND:
 860         case POP3_GETAUTH_PASS_RECV:
 861         case POP3_GETAUTH_APOP_SEND:
 862         case POP3_GETAUTH_APOP_RECV:
 863                 progress_dialog_set_label(dialog, _("Authorizing..."));
 864                 break;
 865         case POP3_GETRANGE_STAT_SEND:
 866         case POP3_GETRANGE_STAT_RECV:
 867                 progress_dialog_set_label
 868                         (dialog, _("Getting the number of new messages (STAT)..."));
 869                 break;
 870         case POP3_GETRANGE_LAST_SEND:
 871         case POP3_GETRANGE_LAST_RECV:
 872                 progress_dialog_set_label
 873                         (dialog, _("Getting the number of new messages (LAST)..."));
 874                 break;
 875         case POP3_GETRANGE_UIDL_SEND:
 876         case POP3_GETRANGE_UIDL_RECV:
 877                 progress_dialog_set_label
 878                         (dialog, _("Getting the number of new messages (UIDL)..."));
 879                 break;
 880         case POP3_GETSIZE_LIST_SEND:
 881         case POP3_GETSIZE_LIST_RECV:
 882                 progress_dialog_set_label
 883                         (dialog, _("Getting the size of messages (LIST)..."));
 884                 break;
 885         case POP3_RETR_SEND:
 886         case POP3_RETR_RECV:
 887                 Xstrdup_a(total_size, to_human_readable(state->total_bytes), return);
 888                 g_snprintf(buf, sizeof(buf),
 889                            _("Retrieving message (%d / %d) (%s / %s)"),
 890                            state->cur_msg, state->count,
 891                            to_human_readable(state->cur_total_bytes),
 892                            total_size);
 893                 progress_dialog_set_label(dialog, buf);
 894                 progress_dialog_set_percentage
 895                         (dialog,
 896                          (gfloat)(state->cur_total_bytes) /
 897                          (gfloat)(state->total_bytes));
 898                 gtk_progress_bar_update
 899                         (GTK_PROGRESS_BAR(inc_dialog->mainwin->progressbar),
 900                          (gfloat)(state->cur_total_bytes) /
 901                          (gfloat)(state->total_bytes));
 902                 break;
 903         case POP3_DELETE_SEND:
 904         case POP3_DELETE_RECV:
 905                 progress_dialog_set_label(dialog, _("Deleting message"));
 906                 break;
 907         case POP3_LOGOUT_SEND:
 908         case POP3_LOGOUT_RECV:
 909                 progress_dialog_set_label(dialog, _("Quitting"));
 910                 break;
 911         default:
 912                 break;
 913         }
 914 }
 915
 916 gint inc_drop_message(const gchar *file, Pop3State *state)
 917 {
 918         FolderItem *inbox;
 919         FolderItem *dropfolder;
 920         gint val;
 921         gint msgnum;
 922
 923         if (state->ac_prefs->inbox) {
 924                 inbox = folder_find_item_from_path(state->ac_prefs->inbox);
 925                 if (!inbox)
 926                         inbox = folder_get_default_inbox();
 927         } else
 928                 inbox = folder_get_default_inbox();
 929         if (!inbox) {
 930                 unlink(file);
 931                 return -1;
 932         }
 933
 934         if (prefs_filtering == NULL) {
 935                 /* old filtering */
 936                 if (state->ac_prefs->filter_on_recv) {
 937                         dropfolder =
 938                                 filter_get_dest_folder(prefs_common.fltlist, file);
 939                         if (!dropfolder) dropfolder = inbox;
 940                         else if (!strcmp(dropfolder->path, FILTER_NOT_RECEIVE)) {
 941                                 g_warning(_("a message won't be received\n"));
 942                                 return 1;
 943                         }
 944                 } else
 945                         dropfolder = inbox;
 946         } else {
 947                 /* new filtering */
 948                 dropfolder = inbox;
 949         }
 950
 951         val = GPOINTER_TO_INT(g_hash_table_lookup
 952                               (state->folder_table, dropfolder));
 953         if (val == 0) {
 954                 folder_item_scan(dropfolder);
 955                 g_hash_table_insert(state->folder_table, dropfolder,
 956                                     GINT_TO_POINTER(1));
 957         }
 958
 959         if (prefs_filtering == NULL || !state->ac_prefs->filter_on_recv) {
 960                 if ((msgnum = folder_item_add_msg(dropfolder, file, TRUE)) < 0) {
 961                         unlink(file);
 962                         return -1;
 963                 }
 964         }
 965         else {
 966                 filter_incoming_message(dropfolder, file, state->folder_table);
 967         }
 968
 969         return 0;
 970 }
 971
 972 static void inc_put_error(IncState istate)
 973 {
 974         switch (istate) {
 975         case INC_ERROR:
 976                 if(!prefs_common.noerrorpanel) {
 977                         alertpanel_error(_("Error occurred while processing mail."));
 978                 }
 979                 break;
 980         case INC_NOSPACE:
 981                 alertpanel_error(_("No disk space left."));
 982                 break;
 983         default:
 984                 break;
 985         }
 986 }
 987
 988 static void inc_cancel(GtkWidget *widget, gpointer data)
 989 {
 990         IncProgressDialog *dialog = data;
 991         IncSession *session = dialog->queue_list->data;
 992         SockInfo *sockinfo = session->pop3_state->sockinfo;
 993
 994 #if USE_THREADS
 995         if (sockinfo->state == CONN_READY ||
 996             sockinfo->state == CONN_LOOKUPSUCCESS) {
 997                 pthread_cancel(sockinfo->connect_thr);
 998                 /* pthread_kill(sockinfo->connect_thr, SIGINT); */
 999                 g_print("connection was cancelled.\n");
1000         }
1001 #endif
1002
1003         session->pop3_state->inc_state = INC_CANCEL;
1004         pop3_automaton_terminate(sockinfo, session->atm);
1005 }
1006
1007 static gint inc_spool(void)
1008 {
1009         gchar *mbox, *logname;
1010         gint msgs;
1011
1012         logname = g_get_user_name();
1013         mbox = g_strconcat(prefs_common.spool_path
1014                            ? prefs_common.spool_path : DEFAULT_SPOOL_PATH,
1015                            G_DIR_SEPARATOR_S, logname, NULL);
1016         msgs = get_spool(folder_get_default_inbox(), mbox);
1017         g_free(mbox);
1018
1019         return msgs;
1020 }
1021
1022 static void inc_spool_account(PrefsAccount *account)
1023 {
1024         FolderItem *inbox;
1025         FolderItem *dropfolder;
1026         gint val;
1027
1028         if (account->inbox) {
1029                 inbox = folder_find_item_from_path(account->inbox);
1030                 if (!inbox)
1031                         inbox = folder_get_default_inbox();
1032         } else
1033                 inbox = folder_get_default_inbox();
1034
1035         get_spool(inbox, account->local_mbox);
1036 }
1037
1038 static void inc_all_spool(void)
1039 {
1040         GList *list = NULL;
1041
1042         list = account_get_list();
1043         if (!list) return;
1044
1045         for (; list != NULL; list = list->next) {
1046                 IncSession *session;
1047                 PrefsAccount *account = list->data;
1048
1049                 if (account->protocol == A_LOCAL)
1050                         inc_spool_account(account);
1051         }
1052 }
1053
1054 static gint get_spool(FolderItem *dest, const gchar *mbox)
1055 {
1056         gint msgs, size;
1057         gint lockfd;
1058         gchar tmp_mbox[MAXPATHLEN + 1];
1059         GHashTable *folder_table = NULL;
1060
1061         g_return_val_if_fail(dest != NULL, -1);
1062         g_return_val_if_fail(mbox != NULL, -1);
1063
1064         if (!is_file_exist(mbox) || (size = get_file_size(mbox)) == 0) {
1065                 debug_print(_("no messages in local mailbox.\n"));
1066                 return 0;
1067         } else if (size < 0)
1068                 return -1;
1069
1070         if ((lockfd = lock_mbox(mbox, LOCK_FLOCK)) < 0)
1071                 return -1;
1072
1073         g_snprintf(tmp_mbox, sizeof(tmp_mbox), "%s%ctmpmbox%d",
1074                    get_rc_dir(), G_DIR_SEPARATOR, (gint)mbox);
1075
1076         if (copy_mbox(mbox, tmp_mbox) < 0)
1077                 return -1;
1078
1079         debug_print(_("Getting new messages from %s into %s...\n"),
1080                     mbox, dest->path);
1081
1082         if (prefs_common.filter_on_inc)
1083                 folder_table = g_hash_table_new(NULL, NULL);
1084         msgs = proc_mbox(dest, tmp_mbox, folder_table);
1085
1086         unlink(tmp_mbox);
1087         if (msgs >= 0) empty_mbox(mbox);
1088         unlock_mbox(mbox, lockfd, LOCK_FLOCK);
1089
1090         if (folder_table) {
1091                 if (!prefs_common.scan_all_after_inc) {
1092                 g_hash_table_insert(folder_table, dest,
1093                                     GINT_TO_POINTER(1));
1094                         folder_item_scan_foreach(folder_table);
1095                         folderview_update_item_foreach(folder_table);
1096                 }
1097                 g_hash_table_destroy(folder_table);
1098         } else if (!prefs_common.scan_all_after_inc) {
1099                 folder_item_scan(dest);
1100                 folderview_update_item(dest, FALSE);
1101         }
1102
1103         return msgs;
1104 }
1105
1106 static guint autocheck_timer = 0;
1107 static gpointer autocheck_data = NULL;
1108
1109 void inc_autocheck_timer_init(MainWindow *mainwin)
1110 {
1111         autocheck_data = mainwin;
1112         inc_autocheck_timer_set();
1113 }
1114
1115 void inc_autocheck_timer_set(void)
1116 {
1117         inc_autocheck_timer_remove();
1118
1119         if (prefs_common.autochk_newmail && autocheck_data) {
1120                 autocheck_timer = gtk_timeout_add
1121                         (prefs_common.autochk_itv * 60000,
1122                          inc_autocheck_func,
1123                          autocheck_data);
1124         }
1125 }
1126
1127 void inc_autocheck_timer_remove(void)
1128 {
1129         if (autocheck_timer) {
1130                 gtk_timeout_remove(autocheck_timer);
1131                 autocheck_timer = 0;
1132         }
1133 }
1134
1135 static gint inc_autocheck_func(gpointer data)
1136 {
1137         MainWindow *mainwin = (MainWindow *)data;
1138
1139         inc_all_account_mail(mainwin);
1140
1141         return FALSE;
1142 }