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 <stdio.h>
  31 #include <unistd.h>
  32 #include <string.h>
  33 #include <sys/types.h>
  34 #include <sys/stat.h>
  35 #include <sys/wait.h>
  36 #include <signal.h>
  37 #include <errno.h>
  38
  39 #include "intl.h"
  40 #include "main.h"
  41 #include "inc.h"
  42 #include "mainwindow.h"
  43 #include "folderview.h"
  44 #include "summaryview.h"
  45 #include "prefs_common.h"
  46 #include "prefs_account.h"
  47 #include "account.h"
  48 #include "procmsg.h"
  49 #include "socket.h"
  50 #include "pop.h"
  51 #include "recv.h"
  52 #include "mbox.h"
  53 #include "utils.h"
  54 #include "gtkutils.h"
  55 #include "statusbar.h"
  56 #include "manage_window.h"
  57 #include "progressdialog.h"
  58 #include "inputdialog.h"
  59 #include "alertpanel.h"
  60 #include "filter.h"
  61 #include "automaton.h"
  62 #include "folder.h"
  63 #include "filtering.h"
  64
  65 #include "pixmaps/continue.xpm"
  66 #include "pixmaps/complete.xpm"
  67 #include "pixmaps/error.xpm"
  68
  69 GdkPixmap *currentxpm;
  70 GdkBitmap *currentxpmmask;
  71 GdkPixmap *errorxpm;
  72 GdkBitmap *errorxpmmask;
  73 GdkPixmap *okxpm;
  74 GdkBitmap *okxpmmask;
  75
  76 #define MSGBUFSIZE      8192
  77
  78 static void inc_finished                (MainWindow             *mainwin,
  79                                          gboolean                new_messages);
  80 static gint inc_account_mail            (PrefsAccount           *account,
  81                                          MainWindow             *mainwin);
  82
  83 static IncProgressDialog *inc_progress_dialog_create    (void);
  84 static void inc_progress_dialog_destroy (IncProgressDialog      *inc_dialog);
  85
  86 static IncSession *inc_session_new      (PrefsAccount           *account);
  87 static void inc_session_destroy         (IncSession             *session);
  88 static Pop3State *inc_pop3_state_new    (PrefsAccount           *account);
  89 static void inc_pop3_state_destroy      (Pop3State              *state);
  90 static gint inc_start                   (IncProgressDialog      *inc_dialog);
  91 static IncState inc_pop3_session_do     (IncSession             *session);
  92 static gint pop3_automaton_terminate    (SockInfo               *source,
  93                                          Automaton              *atm);
  94
  95 static GHashTable *inc_get_uidl_table   (PrefsAccount           *ac_prefs);
  96 static void inc_write_uidl_list         (Pop3State              *state);
  97
  98 #if USE_THREADS
  99 static gint connection_check_cb         (Automaton      *atm);
 100 #endif
 101
 102 static void inc_pop3_recv_func          (SockInfo       *sock,
 103                                          gint            count,
 104                                          gint            read_bytes,
 105                                          gpointer        data);
 106
 107 static void inc_put_error               (IncState        istate);
 108
 109 static void inc_cancel                  (GtkWidget      *widget,
 110                                          gpointer        data);
 111
 112 static gint inc_spool                   (void);
 113 static gint get_spool                   (FolderItem     *dest,
 114                                          const gchar    *mbox);
 115
 116 static void inc_all_spool(void);
 117
 118 static gint inc_autocheck_func          (gpointer        data);
 119
 120 /**
 121  * inc_finished:
 122  * @mainwin: Main window.
 123  * @new_messages: TRUE if some messages have been received.
 124  *
 125  * Update the folder view and the summary view after receiving
 126  * messages.  If @new_messages is FALSE, this function avoids unneeded
 127  * updating.
 128  **/
 129 static void inc_finished(MainWindow *mainwin, gboolean new_messages)
 130 {
 131         FolderItem *item;
 132
 133         if (prefs_common.scan_all_after_inc)
 134                 folderview_update_all_node();
 135         /* XXX: major problems right here. if we change marks after
 136          * incorporation of mail, folderview_select() rewrites it
 137          * right under our nose. folderview_select() eventually
 138          * calls summary_show(), which rewrites the cache twice:
 139          * one for the previously selected FolderItem*, and one
 140          * for the newly selected FolderItem*
 141          *
 142          * since filtering also allows changing mark files,
 143          * i've solved this by using a global variable (in
 144          * SummmaryView*). a better solution is to use the folder
 145          * hash table, and see whether the newly and currently
 146          * selected FolderItem* where updated by the filtering. */
 147
 148         mainwin->summaryview->filtering_happened = TRUE;
 149
 150         /* XXX: filtering_happened is reset by summary_show() */
 151
 152         if (!new_messages && !prefs_common.scan_all_after_inc) return;
 153
 154         if (prefs_common.open_inbox_on_inc) {
 155                 item = cur_account && cur_account->inbox
 156                         ? folder_find_item_from_path(cur_account->inbox)
 157                         : folder_get_default_inbox();
 158                 folderview_unselect(mainwin->folderview);
 159                 folderview_select(mainwin->folderview, item);
 160         } else {
 161                 item = mainwin->summaryview->folder_item;
 162                 folderview_unselect(mainwin->folderview);
 163                 folderview_select(mainwin->folderview, item);
 164         }
 165 }
 166
 167 void inc_mail(MainWindow *mainwin)
 168 {
 169         gint new_msgs = 0;
 170
 171         inc_autocheck_timer_remove();
 172         summary_write_cache(mainwin->summaryview);
 173         main_window_lock(mainwin);
 174
 175         if (prefs_common.use_extinc && prefs_common.extinc_path) {
 176                 gint pid;
 177
 178                 /* external incorporating program */
 179                 if ((pid = fork()) < 0) {
 180                         perror("fork");
 181                         main_window_unlock(mainwin);
 182                         inc_autocheck_timer_set();
 183                         return;
 184                 }
 185
 186                 if (pid == 0) {
 187                         execlp(prefs_common.extinc_path,
 188                                g_basename(prefs_common.extinc_path),
 189                                NULL);
 190
 191                         /* this will be called when failed */
 192                         perror("exec");
 193                         _exit(1);
 194                 }
 195
 196                 /* wait until child process is terminated */
 197                 waitpid(pid, NULL, 0);
 198
 199                 if (prefs_common.inc_local)
 200                         new_msgs = inc_spool();
 201         } else {
 202                 if (prefs_common.inc_local)
 203                         new_msgs = inc_spool();
 204
 205                 new_msgs += inc_account_mail(cur_account, mainwin);
 206         }
 207
 208         inc_finished(mainwin, new_msgs > 0);
 209         main_window_unlock(mainwin);
 210         inc_autocheck_timer_set();
 211 }
 212
 213 static gint inc_account_mail(PrefsAccount *account, MainWindow *mainwin)
 214 {
 215         IncProgressDialog *inc_dialog;
 216         IncSession *session;
 217         gchar *text[3];
 218
 219         session = inc_session_new(account);
 220         if (!session) return 0;
 221
 222         inc_dialog = inc_progress_dialog_create();
 223         inc_dialog->queue_list = g_list_append(inc_dialog->queue_list, session);
 224         inc_dialog->mainwin = mainwin;
 225         session->data = inc_dialog;
 226
 227         text[0] = NULL;
 228         text[1] = account->account_name;
 229         text[2] = _("Standby");
 230         gtk_clist_append(GTK_CLIST(inc_dialog->dialog->clist), text);
 231
 232         return inc_start(inc_dialog);
 233 }
 234
 235 void inc_all_account_mail(MainWindow *mainwin)
 236 {
 237         GList *list, *queue_list = NULL;
 238         IncProgressDialog *inc_dialog;
 239         gint new_msgs = 0;
 240
 241         inc_autocheck_timer_remove();
 242         summary_write_cache(mainwin->summaryview);
 243         main_window_lock(mainwin);
 244
 245         if (prefs_common.inc_local)
 246                 new_msgs = inc_spool();
 247
 248         list = account_get_list();
 249         if (!list) {
 250                 inc_finished(mainwin, new_msgs > 0);
 251                 main_window_unlock(mainwin);
 252                 inc_autocheck_timer_set();
 253                 return;
 254         }
 255
 256         for (; list != NULL; list = list->next) {
 257                 IncSession *session;
 258                 PrefsAccount *account = list->data;
 259
 260                 if (account->recv_at_getall) {
 261                         session = inc_session_new(account);
 262                         if (session)
 263                                 queue_list = g_list_append(queue_list, session);
 264                 }
 265         }
 266
 267         if (!queue_list) {
 268                 inc_finished(mainwin, new_msgs > 0);
 269                 main_window_unlock(mainwin);
 270                 inc_autocheck_timer_set();
 271                 return;
 272         }
 273
 274         inc_dialog = inc_progress_dialog_create();
 275         inc_dialog->queue_list = queue_list;
 276         inc_dialog->mainwin = mainwin;
 277         for (list = queue_list; list != NULL; list = list->next) {
 278                 IncSession *session = list->data;
 279                 gchar *text[3];
 280
 281                 session->data = inc_dialog;
 282
 283                 text[0] = NULL;
 284                 text[1] = session->pop3_state->ac_prefs->account_name;
 285                 text[2] = _("Standby");
 286                 gtk_clist_append(GTK_CLIST(inc_dialog->dialog->clist), text);
 287         }
 288
 289         new_msgs += inc_start(inc_dialog);
 290
 291         inc_finished(mainwin, new_msgs > 0);
 292         main_window_unlock(mainwin);
 293         inc_autocheck_timer_set();
 294 }
 295
 296 static IncProgressDialog *inc_progress_dialog_create(void)
 297 {
 298         IncProgressDialog *dialog;
 299         ProgressDialog *progress;
 300
 301         dialog = g_new0(IncProgressDialog, 1);
 302
 303         progress = progress_dialog_create();
 304         gtk_window_set_title(GTK_WINDOW(progress->window),
 305                              _("Retrieving new messages"));
 306         gtk_signal_connect(GTK_OBJECT(progress->cancel_btn), "clicked",
 307                            GTK_SIGNAL_FUNC(inc_cancel), dialog);
 308         gtk_signal_connect(GTK_OBJECT(progress->window), "delete_event",
 309                            GTK_SIGNAL_FUNC(gtk_true), NULL);
 310
 311         progress_dialog_set_value(progress, 0.0);
 312
 313         PIXMAP_CREATE(progress->clist, okxpm, okxpmmask, complete_xpm);
 314         PIXMAP_CREATE(progress->clist,
 315                       currentxpm, currentxpmmask, continue_xpm);
 316         PIXMAP_CREATE(progress->clist, errorxpm, errorxpmmask, error_xpm);
 317
 318         if (prefs_common.recv_dialog_mode == RECV_DIALOG_ALWAYS ||
 319             (prefs_common.recv_dialog_mode == RECV_DIALOG_ACTIVE &&
 320              manage_window_get_focus_window())) {
 321                 dialog->show_dialog = TRUE;
 322                 gtk_widget_show_now(progress->window);
 323         }
 324
 325         dialog->dialog = progress;
 326         dialog->queue_list = NULL;
 327
 328         return dialog;
 329 }
 330
 331 static void inc_progress_dialog_clear(IncProgressDialog *inc_dialog)
 332 {
 333         progress_dialog_set_value(inc_dialog->dialog, 0.0);
 334         progress_dialog_set_label(inc_dialog->dialog, "");
 335 }
 336
 337 static void inc_progress_dialog_destroy(IncProgressDialog *inc_dialog)
 338 {
 339         g_return_if_fail(inc_dialog != NULL);
 340
 341         progress_dialog_destroy(inc_dialog->dialog);
 342
 343         g_free(inc_dialog);
 344 }
 345
 346 static IncSession *inc_session_new(PrefsAccount *account)
 347 {
 348         IncSession *session;
 349
 350         g_return_val_if_fail(account != NULL, NULL);
 351
 352         if (account->protocol != A_POP3 && account->protocol != A_APOP)
 353                 return NULL;
 354         if (!account->recv_server || !account->userid)
 355                 return NULL;
 356
 357         session = g_new0(IncSession, 1);
 358         session->pop3_state = inc_pop3_state_new(account);
 359         session->pop3_state->session = session;
 360
 361         return session;
 362 }
 363
 364 static void inc_session_destroy(IncSession *session)
 365 {
 366         g_return_if_fail(session != NULL);
 367
 368         inc_pop3_state_destroy(session->pop3_state);
 369         g_free(session);
 370 }
 371
 372 static Pop3State *inc_pop3_state_new(PrefsAccount *account)
 373 {
 374         Pop3State *state;
 375
 376         state = g_new0(Pop3State, 1);
 377
 378         state->ac_prefs = account;
 379         state->folder_table = g_hash_table_new(NULL, NULL);
 380         state->id_table = inc_get_uidl_table(account);
 381         state->id_list = NULL;
 382         state->new_id_list = NULL;
 383         state->inc_state = INC_SUCCESS;
 384
 385         return state;
 386 }
 387
 388 static void inc_pop3_state_destroy(Pop3State *state)
 389 {
 390         g_hash_table_destroy(state->folder_table);
 391         g_free(state->sizes);
 392
 393         if (state->id_table) {
 394                 hash_free_strings(state->id_table);
 395                 g_hash_table_destroy(state->id_table);
 396         }
 397         slist_free_strings(state->id_list);
 398         slist_free_strings(state->new_id_list);
 399         g_slist_free(state->id_list);
 400         g_slist_free(state->new_id_list);
 401
 402         g_free(state->greeting);
 403         g_free(state->user);
 404         g_free(state->pass);
 405         g_free(state->prev_folder);
 406
 407         g_free(state);
 408 }
 409
 410 static gint inc_start(IncProgressDialog *inc_dialog)
 411 {
 412         IncSession *session;
 413         GtkCList *clist = GTK_CLIST(inc_dialog->dialog->clist);
 414         Pop3State *pop3_state;
 415         IncState inc_state;
 416         gint num = 0;
 417         gint error_num = 0;
 418         gint new_msgs = 0;
 419
 420         while (inc_dialog->queue_list != NULL) {
 421                 session = inc_dialog->queue_list->data;
 422                 pop3_state = session->pop3_state;
 423
 424                 inc_progress_dialog_clear(inc_dialog);
 425
 426                 pop3_state->user = g_strdup(pop3_state->ac_prefs->userid);
 427                 if (pop3_state->ac_prefs->passwd)
 428                         pop3_state->pass =
 429                                 g_strdup(pop3_state->ac_prefs->passwd);
 430                 else if (pop3_state->ac_prefs->tmp_pass)
 431                         pop3_state->pass =
 432                                 g_strdup(pop3_state->ac_prefs->tmp_pass);
 433                 else {
 434                         gchar *pass;
 435                         gchar *message;
 436
 437                         message = g_strdup_printf
 438                                 (_("Input password for %s on %s:"),
 439                                  pop3_state->user,
 440                                  pop3_state->ac_prefs->recv_server);
 441
 442                         pass = input_dialog_with_invisible(_("Input password"),
 443                                                            message, NULL);
 444                         g_free(message);
 445                         if (inc_dialog->show_dialog)
 446                                 manage_window_focus_in
 447                                         (inc_dialog->mainwin->window,
 448                                          NULL, NULL);
 449                         if (pass) {
 450                                 pop3_state->ac_prefs->tmp_pass = g_strdup(pass);
 451                                 pop3_state->pass = pass;
 452                         } else {
 453                                 inc_session_destroy(session);
 454                                 inc_dialog->queue_list = g_list_remove
 455                                         (inc_dialog->queue_list, session);
 456                                 continue;
 457                         }
 458                 }
 459
 460                 gtk_clist_set_pixmap(clist, num, 0, currentxpm, currentxpmmask);
 461                 gtk_clist_set_text(clist, num, 2, _("Retrieving"));
 462
 463                 /* begin POP3 session */
 464                 inc_state = inc_pop3_session_do(session);
 465
 466                 if (inc_state == INC_SUCCESS) {
 467                         gtk_clist_set_pixmap(clist, num, 0, okxpm, okxpmmask);
 468                         gtk_clist_set_text(clist, num, 2, _("Done"));
 469                 } else if (inc_state == INC_CANCEL) {
 470                         gtk_clist_set_pixmap(clist, num, 0, okxpm, okxpmmask);
 471                         gtk_clist_set_text(clist, num, 2, _("Cancelled"));
 472                 } else {
 473                         gtk_clist_set_pixmap(clist, num, 0, errorxpm, errorxpmmask);
 474                         if (inc_state == INC_CONNECT_ERROR)
 475                                 gtk_clist_set_text(clist, num, 2,
 476                                                    _("Connection failed"));
 477                         else if (inc_state == INC_AUTH_FAILED)
 478                                 gtk_clist_set_text(clist, num, 2,
 479                                                    _("Auth failed"));
 480                         else
 481                                 gtk_clist_set_text(clist, num, 2, _("Error"));
 482                 }
 483
 484                 if (pop3_state->error_val == PS_AUTHFAIL) {
 485                         if(!prefs_common.noerrorpanel) {
 486                                 if((prefs_common.recv_dialog_mode == RECV_DIALOG_ALWAYS) ||
 487                                     ((prefs_common.recv_dialog_mode == RECV_DIALOG_ACTIVE) && focus_window)) {
 488                                         manage_window_focus_in(inc_dialog->dialog->window, NULL, NULL);
 489                                 }
 490                                 alertpanel_error
 491                                         (_("Authorization for %s on %s failed"),
 492                                          pop3_state->user,
 493                                          pop3_state->ac_prefs->recv_server);
 494                         }
 495                 }
 496
 497                 statusbar_pop_all();
 498
 499                 new_msgs += pop3_state->cur_total_num;
 500
 501                 if (!prefs_common.scan_all_after_inc) {
 502                         folder_item_scan_foreach(pop3_state->folder_table);
 503                         folderview_update_item_foreach
 504                                 (pop3_state->folder_table);
 505                 }
 506
 507                 if (pop3_state->error_val == PS_AUTHFAIL &&
 508                     pop3_state->ac_prefs->tmp_pass) {
 509                         g_free(pop3_state->ac_prefs->tmp_pass);
 510                         pop3_state->ac_prefs->tmp_pass = NULL;
 511                 }
 512
 513                 inc_write_uidl_list(pop3_state);
 514
 515                 if (inc_state != INC_SUCCESS && inc_state != INC_CANCEL) {
 516                         error_num++;
 517                         if (inc_state == INC_NOSPACE) {
 518                                 inc_put_error(inc_state);
 519                                 break;
 520                         }
 521                 }
 522
 523                 inc_session_destroy(session);
 524                 inc_dialog->queue_list =
 525                         g_list_remove(inc_dialog->queue_list, session);
 526
 527                 num++;
 528         }
 529
 530         if (error_num) {
 531                 if (inc_dialog->show_dialog)
 532                         manage_window_focus_in(inc_dialog->dialog->window,
 533                                                NULL, NULL);
 534                 alertpanel_error(_("Some errors occured while getting mail."));
 535                 if (inc_dialog->show_dialog)
 536                         manage_window_focus_out(inc_dialog->dialog->window,
 537                                                 NULL, NULL);
 538         }
 539
 540         while (inc_dialog->queue_list != NULL) {
 541                 session = inc_dialog->queue_list->data;
 542                 inc_session_destroy(session);
 543                 inc_dialog->queue_list =
 544                         g_list_remove(inc_dialog->queue_list, session);
 545         }
 546
 547         inc_progress_dialog_destroy(inc_dialog);
 548
 549         return new_msgs;
 550 }
 551
 552
 553 static IncState inc_pop3_session_do(IncSession *session)
 554 {
 555         Pop3State *pop3_state = session->pop3_state;
 556         IncProgressDialog *inc_dialog = (IncProgressDialog *)session->data;
 557         Automaton *atm;
 558         SockInfo *sockinfo;
 559         gint i;
 560         gchar *server;
 561         gushort port;
 562         gchar *buf;
 563         static AtmHandler handlers[] = {
 564                 pop3_greeting_recv      ,
 565                 pop3_getauth_user_send  , pop3_getauth_user_recv,
 566                 pop3_getauth_pass_send  , pop3_getauth_pass_recv,
 567                 pop3_getauth_apop_send  , pop3_getauth_apop_recv,
 568                 pop3_getrange_stat_send , pop3_getrange_stat_recv,
 569                 pop3_getrange_last_send , pop3_getrange_last_recv,
 570                 pop3_getrange_uidl_send , pop3_getrange_uidl_recv,
 571                 pop3_getsize_list_send  , pop3_getsize_list_recv,
 572                 pop3_retr_send          , pop3_retr_recv,
 573                 pop3_delete_send        , pop3_delete_recv,
 574                 pop3_logout_send        , pop3_logout_recv
 575         };
 576
 577         debug_print(_("getting new messages of account %s...\n"),
 578                     pop3_state->ac_prefs->account_name);
 579
 580         atm = automaton_create(N_POP3_PHASE);
 581
 582         session->atm = atm;
 583         atm->data = pop3_state;
 584
 585         buf = g_strdup_printf(_("%s: Retrieving new messages"),
 586                               pop3_state->ac_prefs->recv_server);
 587         gtk_window_set_title(GTK_WINDOW(inc_dialog->dialog->window), buf);
 588         g_free(buf);
 589
 590         for (i = POP3_GREETING_RECV; i < N_POP3_PHASE; i++)
 591                 atm->state[i].handler = handlers[i];
 592         atm->state[POP3_GREETING_RECV].condition = GDK_INPUT_READ;
 593         for (i = POP3_GETAUTH_USER_SEND; i < N_POP3_PHASE; ) {
 594                 atm->state[i++].condition = GDK_INPUT_WRITE;
 595                 atm->state[i++].condition = GDK_INPUT_READ;
 596         }
 597
 598         atm->terminate = (AtmHandler)pop3_automaton_terminate;
 599
 600         atm->num = POP3_GREETING_RECV;
 601
 602         server = pop3_state->ac_prefs->recv_server;
 603 #if USE_SSL
 604         port = pop3_state->ac_prefs->set_popport ?
 605                 pop3_state->ac_prefs->popport : (pop3_state->ac_prefs->ssl_pop ? 995 : 110);
 606 #else
 607         port = pop3_state->ac_prefs->set_popport ?
 608                 pop3_state->ac_prefs->popport : 110;
 609 #endif
 610
 611         buf = g_strdup_printf(_("Connecting to POP3 server: %s ..."), server);
 612         log_message("%s\n", buf);
 613         progress_dialog_set_label(inc_dialog->dialog, buf);
 614         g_free(buf);
 615         GTK_EVENTS_FLUSH();
 616
 617 #if USE_THREADS
 618         if ((sockinfo = sock_connect_with_thread(server, port)) == NULL) {
 619 #else
 620         if ((sockinfo = sock_connect(server, port)) == NULL) {
 621 #endif
 622                 log_warning(_("Can't connect to POP3 server: %s:%d\n"),
 623                             server, port);
 624                 if(!prefs_common.noerrorpanel) {
 625                         if((prefs_common.recv_dialog_mode == RECV_DIALOG_ALWAYS) ||
 626                             ((prefs_common.recv_dialog_mode == RECV_DIALOG_ACTIVE) && focus_window)) {
 627                                 manage_window_focus_in(inc_dialog->dialog->window, NULL, NULL);
 628                         }
 629                         alertpanel_error(_("Can't connect to POP3 server: %s:%d"),
 630                                          server, port);
 631                         manage_window_focus_out(inc_dialog->dialog->window, NULL, NULL);
 632                 }
 633                 pop3_automaton_terminate(NULL, atm);
 634                 automaton_destroy(atm);
 635
 636                 return INC_CONNECT_ERROR;
 637         }
 638
 639         /* :WK: Hmmm, with the later sock_gdk_input, we have 2 references
 640          * to the sock structure - implement a reference counter?? */
 641         pop3_state->sockinfo = sockinfo;
 642         atm->help_sock = sockinfo;
 643
 644 #ifdef USE_SSL
 645         if(pop3_state->ac_prefs->ssl_pop) {
 646                 if(!ssl_init_socket(sockinfo)) {
 647                         pop3_automaton_terminate(NULL, atm);
 648                         automaton_destroy(atm);
 649
 650                         return INC_CONNECT_ERROR;
 651                 }
 652         } else {
 653                 sockinfo->ssl = NULL;
 654         }
 655 #endif
 656
 657
 658         recv_set_ui_func(inc_pop3_recv_func, session);
 659
 660 #if USE_THREADS
 661         atm->timeout_tag = gtk_timeout_add
 662                 (TIMEOUT_ITV, (GtkFunction)connection_check_cb, atm);
 663 #else
 664         atm->tag = sock_gdk_input_add(sockinfo,
 665                                       atm->state[atm->num].condition,
 666                                       automaton_input_cb, atm);
 667 #endif
 668
 669         gtk_main();
 670
 671         recv_set_ui_func(NULL, NULL);
 672
 673 #if USE_THREADS
 674 /*
 675         pthread_join(sockinfo->connect_thr, NULL);
 676 */
 677 #endif
 678
 679 #if USE_SSL
 680         ssl_done_socket(sockinfo);
 681 #endif
 682         automaton_destroy(atm);
 683
 684         return pop3_state->inc_state;
 685 }
 686
 687 static gint pop3_automaton_terminate(SockInfo *source, Automaton *atm)
 688 {
 689         if (atm->tag > 0) {
 690                 gdk_input_remove(atm->tag);
 691                 atm->tag = 0;
 692         }
 693         if (atm->timeout_tag > 0) {
 694                 gtk_timeout_remove(atm->timeout_tag);
 695                 atm->timeout_tag = 0;
 696         }
 697         if (source) {
 698                 sock_close(source);
 699                 gtk_main_quit();
 700         }
 701
 702         atm->terminated = TRUE;
 703
 704         return 0;
 705 }
 706
 707 static GHashTable *inc_get_uidl_table(PrefsAccount *ac_prefs)
 708 {
 709         GHashTable *table;
 710         gchar *path;
 711         FILE *fp;
 712         gchar buf[IDLEN + 3];
 713
 714         path = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S,
 715                            "uidl-", ac_prefs->recv_server,
 716                            "-", ac_prefs->userid, NULL);
 717         if ((fp = fopen(path, "r")) == NULL) {
 718                 if (ENOENT != errno) FILE_OP_ERROR(path, "fopen");
 719                 g_free(path);
 720                 return NULL;
 721         }
 722         g_free(path);
 723
 724         table = g_hash_table_new(g_str_hash, g_str_equal);
 725
 726         while (fgets(buf, sizeof(buf), fp) != NULL) {
 727                 strretchomp(buf);
 728                 g_hash_table_insert(table, g_strdup(buf), GINT_TO_POINTER(1));
 729         }
 730
 731         fclose(fp);
 732
 733         return table;
 734 }
 735
 736 static void inc_write_uidl_list(Pop3State *state)
 737 {
 738         gchar *path;
 739         FILE *fp;
 740         GSList *cur;
 741
 742         if (!state->id_list) return;
 743
 744         path = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S,
 745                            "uidl-", state->ac_prefs->recv_server,
 746                            "-", state->user, NULL);
 747         if ((fp = fopen(path, "w")) == NULL) {
 748                 FILE_OP_ERROR(path, "fopen");
 749                 g_free(path);
 750                 return;
 751         }
 752
 753         for (cur = state->id_list; cur != NULL; cur = cur->next) {
 754                 if (fputs((gchar *)cur->data, fp) == EOF) {
 755                         FILE_OP_ERROR(path, "fputs");
 756                         break;
 757                 }
 758                 if (fputc('\n', fp) == EOF) {
 759                         FILE_OP_ERROR(path, "fputc");
 760                         break;
 761                 }
 762         }
 763
 764         if (fclose(fp) == EOF) FILE_OP_ERROR(path, "fclose");
 765         g_free(path);
 766 }
 767
 768 #if USE_THREADS
 769 static gint connection_check_cb(Automaton *atm)
 770 {
 771         Pop3State *state = atm->data;
 772         IncProgressDialog *inc_dialog = state->session->data;
 773         SockInfo *sockinfo = state->sockinfo;
 774
 775         /* g_print("connection check\n"); */
 776
 777         if (sockinfo->state == CONN_LOOKUPFAILED ||
 778             sockinfo->state == CONN_FAILED) {
 779                 atm->timeout_tag = 0;
 780                 log_warning(_("Can't connect to POP3 server: %s:%d\n"),
 781                             sockinfo->hostname, sockinfo->port);
 782                 if(!prefs_common.noerrorpanel) {
 783                         if((prefs_common.recv_dialog_mode == RECV_DIALOG_ALWAYS) ||
 784                             ((prefs_common.recv_dialog_mode == RECV_DIALOG_ACTIVE) && focus_window)) {
 785                                 manage_window_focus_in(inc_dialog->dialog->window, NULL, NULL);
 786                         }
 787                         alertpanel_error(_("Can't connect to POP3 server: %s:%d"),
 788                                          sockinfo->hostname, sockinfo->port);
 789                         manage_window_focus_out(inc_dialog->dialog->window, NULL, NULL);
 790                 }
 791                 pop3_automaton_terminate(sockinfo, atm);
 792                 return FALSE;
 793         } else if (sockinfo->state == CONN_ESTABLISHED) {
 794                 atm->timeout_tag = 0;
 795                 atm->tag = sock_gdk_input_add(sockinfo,
 796                                               atm->state[atm->num].condition,
 797                                               automaton_input_cb, atm);
 798                 return FALSE;
 799         } else {
 800                 return TRUE;
 801         }
 802 }
 803 #endif
 804
 805 static void inc_pop3_recv_func(SockInfo *sock, gint count, gint read_bytes,
 806                                gpointer data)
 807 {
 808         gchar buf[MSGBUFSIZE];
 809         IncSession *session = (IncSession *)data;
 810         Pop3State *state = session->pop3_state;
 811         IncProgressDialog *inc_dialog = session->data;
 812         ProgressDialog *dialog = inc_dialog->dialog;
 813         gint cur_total;
 814         gchar *total_size;
 815
 816         cur_total = state->cur_total_bytes + read_bytes;
 817         if (cur_total > state->total_bytes)
 818                 cur_total = state->total_bytes;
 819
 820         Xstrdup_a(total_size, to_human_readable(state->total_bytes), return);
 821         g_snprintf(buf, sizeof(buf),
 822                    _("Retrieving message (%d / %d) (%s / %s)"),
 823                    state->cur_msg, state->count,
 824                    to_human_readable(cur_total), total_size);
 825         progress_dialog_set_label(dialog, buf);
 826
 827         progress_dialog_set_percentage
 828                 (dialog, (gfloat)cur_total / (gfloat)state->total_bytes);
 829         GTK_EVENTS_FLUSH();
 830 }
 831
 832 void inc_progress_update(Pop3State *state, Pop3Phase phase)
 833 {
 834         gchar buf[MSGBUFSIZE];
 835         IncProgressDialog *inc_dialog = state->session->data;
 836         ProgressDialog *dialog = inc_dialog->dialog;
 837         gchar *total_size;
 838
 839         switch (phase) {
 840         case POP3_GREETING_RECV:
 841                 break;
 842         case POP3_GETAUTH_USER_SEND:
 843         case POP3_GETAUTH_USER_RECV:
 844         case POP3_GETAUTH_PASS_SEND:
 845         case POP3_GETAUTH_PASS_RECV:
 846         case POP3_GETAUTH_APOP_SEND:
 847         case POP3_GETAUTH_APOP_RECV:
 848                 progress_dialog_set_label(dialog, _("Authorizing..."));
 849                 break;
 850         case POP3_GETRANGE_STAT_SEND:
 851         case POP3_GETRANGE_STAT_RECV:
 852                 progress_dialog_set_label
 853                         (dialog, _("Getting the number of new messages (STAT)..."));
 854                 break;
 855         case POP3_GETRANGE_LAST_SEND:
 856         case POP3_GETRANGE_LAST_RECV:
 857                 progress_dialog_set_label
 858                         (dialog, _("Getting the number of new messages (LAST)..."));
 859                 break;
 860         case POP3_GETRANGE_UIDL_SEND:
 861         case POP3_GETRANGE_UIDL_RECV:
 862                 progress_dialog_set_label
 863                         (dialog, _("Getting the number of new messages (UIDL)..."));
 864                 break;
 865         case POP3_GETSIZE_LIST_SEND:
 866         case POP3_GETSIZE_LIST_RECV:
 867                 progress_dialog_set_label
 868                         (dialog, _("Getting the size of messages (LIST)..."));
 869                 break;
 870         case POP3_RETR_SEND:
 871         case POP3_RETR_RECV:
 872                 Xstrdup_a(total_size, to_human_readable(state->total_bytes), return);
 873                 g_snprintf(buf, sizeof(buf),
 874                            _("Retrieving message (%d / %d) (%s / %s)"),
 875                            state->cur_msg, state->count,
 876                            to_human_readable(state->cur_total_bytes),
 877                            total_size);
 878                 progress_dialog_set_label(dialog, buf);
 879                 progress_dialog_set_percentage
 880                         (dialog,
 881                          (gfloat)(state->cur_total_bytes) /
 882                          (gfloat)(state->total_bytes));
 883                 break;
 884         case POP3_DELETE_SEND:
 885         case POP3_DELETE_RECV:
 886                 progress_dialog_set_label(dialog, _("Deleting message"));
 887                 break;
 888         case POP3_LOGOUT_SEND:
 889         case POP3_LOGOUT_RECV:
 890                 progress_dialog_set_label(dialog, _("Quitting"));
 891                 break;
 892         default:
 893                 break;
 894         }
 895 }
 896
 897 gint inc_drop_message(const gchar *file, Pop3State *state)
 898 {
 899         FolderItem *inbox;
 900         FolderItem *dropfolder;
 901         gint val;
 902         gint msgnum;
 903
 904         if (state->ac_prefs->inbox) {
 905                 inbox = folder_find_item_from_path(state->ac_prefs->inbox);
 906                 if (!inbox)
 907                         inbox = folder_get_default_inbox();
 908         } else
 909                 inbox = folder_get_default_inbox();
 910         if (!inbox) {
 911                 unlink(file);
 912                 return -1;
 913         }
 914
 915         if (prefs_filtering == NULL) {
 916                 /* old filtering */
 917                 if (state->ac_prefs->filter_on_recv) {
 918                         dropfolder =
 919                                 filter_get_dest_folder(prefs_common.fltlist, file);
 920                         if (!dropfolder) dropfolder = inbox;
 921                         else if (!strcmp(dropfolder->path, FILTER_NOT_RECEIVE)) {
 922                                 g_warning(_("a message won't be received\n"));
 923                                 return 1;
 924                         }
 925                 } else
 926                         dropfolder = inbox;
 927         } else {
 928                 /* new filtering */
 929                 dropfolder = inbox;
 930         }
 931
 932         val = GPOINTER_TO_INT(g_hash_table_lookup
 933                               (state->folder_table, dropfolder));
 934         if (val == 0) {
 935                 folder_item_scan(dropfolder);
 936                 g_hash_table_insert(state->folder_table, dropfolder,
 937                                     GINT_TO_POINTER(1));
 938         }
 939
 940         if (prefs_filtering == NULL || !state->ac_prefs->filter_on_recv) {
 941                 if ((msgnum = folder_item_add_msg(dropfolder, file, TRUE)) < 0) {
 942                         unlink(file);
 943                         return -1;
 944                 }
 945         }
 946         else {
 947                 filter_incoming_message(dropfolder, file, state->folder_table);
 948         }
 949
 950         return 0;
 951 }
 952
 953 static void inc_put_error(IncState istate)
 954 {
 955         switch (istate) {
 956         case INC_ERROR:
 957                 if(!prefs_common.noerrorpanel) {
 958                         alertpanel_error(_("Error occurred while processing mail."));
 959                 }
 960                 break;
 961         case INC_NOSPACE:
 962                 alertpanel_error(_("No disk space left."));
 963                 break;
 964         default:
 965                 break;
 966         }
 967 }
 968
 969 static void inc_cancel(GtkWidget *widget, gpointer data)
 970 {
 971         IncProgressDialog *dialog = data;
 972         IncSession *session = dialog->queue_list->data;
 973         SockInfo *sockinfo = session->pop3_state->sockinfo;
 974
 975 #if USE_THREADS
 976         if (sockinfo->state == CONN_READY ||
 977             sockinfo->state == CONN_LOOKUPSUCCESS) {
 978                 pthread_cancel(sockinfo->connect_thr);
 979                 /* pthread_kill(sockinfo->connect_thr, SIGINT); */
 980                 g_print("connection was cancelled.\n");
 981         }
 982 #endif
 983
 984         session->pop3_state->inc_state = INC_CANCEL;
 985         pop3_automaton_terminate(sockinfo, session->atm);
 986 }
 987
 988 static gint inc_spool(void)
 989 {
 990         gchar *mbox, *logname;
 991         gint msgs;
 992
 993         logname = g_get_user_name();
 994         mbox = g_strconcat(prefs_common.spool_path
 995                            ? prefs_common.spool_path : DEFAULT_SPOOL_PATH,
 996                            G_DIR_SEPARATOR_S, logname, NULL);
 997         msgs = get_spool(folder_get_default_inbox(), mbox);
 998         g_free(mbox);
 999
1000         return msgs;
1001 }
1002
1003 static void inc_spool_account(PrefsAccount *account)
1004 {
1005         FolderItem *inbox;
1006         FolderItem *dropfolder;
1007         gint val;
1008
1009         if (account->inbox) {
1010                 inbox = folder_find_item_from_path(account->inbox);
1011                 if (!inbox)
1012                         inbox = folder_get_default_inbox();
1013         } else
1014                 inbox = folder_get_default_inbox();
1015
1016         get_spool(inbox, account->local_mbox);
1017 }
1018
1019 static void inc_all_spool(void)
1020 {
1021         GList *list = NULL;
1022
1023         list = account_get_list();
1024         if (!list) return;
1025
1026         for (; list != NULL; list = list->next) {
1027                 IncSession *session;
1028                 PrefsAccount *account = list->data;
1029
1030                 if (account->protocol == A_LOCAL)
1031                         inc_spool_account(account);
1032         }
1033 }
1034
1035 static gint get_spool(FolderItem *dest, const gchar *mbox)
1036 {
1037         gint msgs, size;
1038         gint lockfd;
1039         gchar tmp_mbox[MAXPATHLEN + 1];
1040         GHashTable *folder_table = NULL;
1041
1042         g_return_val_if_fail(dest != NULL, -1);
1043         g_return_val_if_fail(mbox != NULL, -1);
1044
1045         if (!is_file_exist(mbox) || (size = get_file_size(mbox)) == 0) {
1046                 debug_print(_("no messages in local mailbox.\n"));
1047                 return 0;
1048         } else if (size < 0)
1049                 return -1;
1050
1051         if ((lockfd = lock_mbox(mbox, LOCK_FLOCK)) < 0)
1052                 return -1;
1053
1054         g_snprintf(tmp_mbox, sizeof(tmp_mbox), "%s%ctmpmbox%d",
1055                    get_rc_dir(), G_DIR_SEPARATOR, (gint)mbox);
1056
1057         if (copy_mbox(mbox, tmp_mbox) < 0)
1058                 return -1;
1059
1060         debug_print(_("Getting new messages from %s into %s...\n"),
1061                     mbox, dest->path);
1062
1063         if (prefs_common.filter_on_inc)
1064                 folder_table = g_hash_table_new(NULL, NULL);
1065         msgs = proc_mbox(dest, tmp_mbox, folder_table);
1066
1067         unlink(tmp_mbox);
1068         if (msgs >= 0) empty_mbox(mbox);
1069         unlock_mbox(mbox, lockfd, LOCK_FLOCK);
1070
1071         if (folder_table) {
1072                 if (!prefs_common.scan_all_after_inc) {
1073                 g_hash_table_insert(folder_table, dest,
1074                                     GINT_TO_POINTER(1));
1075                         folder_item_scan_foreach(folder_table);
1076                         folderview_update_item_foreach(folder_table);
1077                 }
1078                 g_hash_table_destroy(folder_table);
1079         } else if (!prefs_common.scan_all_after_inc) {
1080                 folder_item_scan(dest);
1081                 folderview_update_item(dest, FALSE);
1082         }
1083
1084         return msgs;
1085 }
1086
1087 static guint autocheck_timer = 0;
1088 static gpointer autocheck_data = NULL;
1089
1090 void inc_autocheck_timer_init(MainWindow *mainwin)
1091 {
1092         autocheck_data = mainwin;
1093         inc_autocheck_timer_set();
1094 }
1095
1096 void inc_autocheck_timer_set(void)
1097 {
1098         inc_autocheck_timer_remove();
1099
1100         if (prefs_common.autochk_newmail && autocheck_data) {
1101                 autocheck_timer = gtk_timeout_add
1102                         (prefs_common.autochk_itv * 60000,
1103                          inc_autocheck_func,
1104                          autocheck_data);
1105         }
1106 }
1107
1108 void inc_autocheck_timer_remove(void)
1109 {
1110         if (autocheck_timer) {
1111                 gtk_timeout_remove(autocheck_timer);
1112                 autocheck_timer = 0;
1113         }
1114 }
1115
1116 static gint inc_autocheck_func(gpointer data)
1117 {
1118         MainWindow *mainwin = (MainWindow *)data;
1119
1120         inc_all_account_mail(mainwin);
1121
1122         return FALSE;
1123 }