src/inc.c

   1 /*
   2  * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
   3  * Copyright (C) 1999-2001 Hiroyuki Yamamoto
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; either version 2 of the License, or
   8  * (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License
  16  * along with this program; if not, write to the Free Software
  17  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  18  */
  19
  20 #ifdef HAVE_CONFIG_H
  21 #  include "config.h"
  22 #endif
  23
  24 #include "defs.h"
  25
  26 #include <glib.h>
  27 #include <gtk/gtkmain.h>
  28 #include <gtk/gtkwindow.h>
  29 #include <gtk/gtksignal.h>
  30 #include <gtk/gtkprogressbar.h>
  31 #include <stdio.h>
  32 #include <unistd.h>
  33 #include <string.h>
  34 #include <sys/types.h>
  35 #include <sys/stat.h>
  36 #include <sys/wait.h>
  37 #include <signal.h>
  38 #include <errno.h>
  39
  40 #include "intl.h"
  41 #include "main.h"
  42 #include "inc.h"
  43 #include "mainwindow.h"
  44 #include "folderview.h"
  45 #include "summaryview.h"
  46 #include "prefs_common.h"
  47 #include "prefs_account.h"
  48 #include "account.h"
  49 #include "procmsg.h"
  50 #include "socket.h"
  51 #include "ssl.h"
  52 #include "pop.h"
  53 #include "recv.h"
  54 #include "mbox.h"
  55 #include "utils.h"
  56 #include "gtkutils.h"
  57 #include "statusbar.h"
  58 #include "manage_window.h"
  59 #include "progressdialog.h"
  60 #include "inputdialog.h"
  61 #include "alertpanel.h"
  62 #include "filter.h"
  63 #include "automaton.h"
  64 #include "folder.h"
  65 #include "filtering.h"
  66
  67 #include "pixmaps/continue.xpm"
  68 #include "pixmaps/complete.xpm"
  69 #include "pixmaps/error.xpm"
  70
  71 static guint inc_lock_count = 0;
  72
  73 static GdkPixmap *currentxpm;
  74 static GdkBitmap *currentxpmmask;
  75 static GdkPixmap *errorxpm;
  76 static GdkBitmap *errorxpmmask;
  77 static GdkPixmap *okxpm;
  78 static GdkBitmap *okxpmmask;
  79
  80 #define MSGBUFSIZE      8192
  81
  82 static void inc_finished                (MainWindow             *mainwin,
  83                                          gboolean                new_messages);
  84 static gint inc_account_mail            (PrefsAccount           *account,
  85                                          MainWindow             *mainwin);
  86
  87 static IncProgressDialog *inc_progress_dialog_create    (void);
  88 static void inc_progress_dialog_destroy (IncProgressDialog      *inc_dialog);
  89
  90 static IncSession *inc_session_new      (PrefsAccount           *account);
  91 static void inc_session_destroy         (IncSession             *session);
  92 static Pop3State *inc_pop3_state_new    (PrefsAccount           *account);
  93 static void inc_pop3_state_destroy      (Pop3State              *state);
  94 static gint inc_start                   (IncProgressDialog      *inc_dialog);
  95 static IncState inc_pop3_session_do     (IncSession             *session);
  96 static gint pop3_automaton_terminate    (SockInfo               *source,
  97                                          Automaton              *atm);
  98
  99 static GHashTable *inc_get_uidl_table   (PrefsAccount           *ac_prefs);
 100 static void inc_write_uidl_list         (Pop3State              *state);
 101
 102 #if USE_THREADS
 103 static gint connection_check_cb         (Automaton      *atm);
 104 #endif
 105
 106 static void inc_pop3_recv_func          (SockInfo       *sock,
 107                                          gint            count,
 108                                          gint            read_bytes,
 109                                          gpointer        data);
 110
 111 static void inc_put_error               (IncState        istate);
 112
 113 static void inc_cancel                  (GtkWidget      *widget,
 114                                          gpointer        data);
 115
 116 static gint inc_spool                   (void);
 117 static gint get_spool                   (FolderItem     *dest,
 118                                          const gchar    *mbox);
 119
 120 static void inc_all_spool(void);
 121 static void inc_autocheck_timer_set_interval    (guint           interval);
 122 static gint inc_autocheck_func                  (gpointer        data);
 123
 124 /**
 125  * inc_finished:
 126  * @mainwin: Main window.
 127  * @new_messages: TRUE if some messages have been received.
 128  *
 129  * Update the folder view and the summary view after receiving
 130  * messages.  If @new_messages is FALSE, this function avoids unneeded
 131  * updating.
 132  **/
 133 static void inc_finished(MainWindow *mainwin, gboolean new_messages)
 134 {
 135         FolderItem *item;
 136
 137         if (prefs_common.scan_all_after_inc)
 138                 folderview_update_all_node();
 139         /* XXX: major problems right here. if we change marks after
 140          * incorporation of mail, folderview_select() rewrites it
 141          * right under our nose. folderview_select() eventually
 142          * calls summary_show(), which rewrites the cache twice:
 143          * one for the previously selected FolderItem*, and one
 144          * for the newly selected FolderItem*
 145          *
 146          * since filtering also allows changing mark files,
 147          * i've solved this by using a global variable (in
 148          * SummmaryView*). a better solution is to use the folder
 149          * hash table, and see whether the newly and currently
 150          * selected FolderItem* where updated by the filtering. */
 151
 152         mainwin->summaryview->filtering_happened = TRUE;
 153
 154         /* XXX: filtering_happened is reset by summary_show() */
 155
 156         if (!new_messages && !prefs_common.scan_all_after_inc) return;
 157
 158         if (prefs_common.open_inbox_on_inc) {
 159                 item = cur_account && cur_account->inbox
 160                         ? folder_find_item_from_path(cur_account->inbox)
 161                         : folder_get_default_inbox();
 162                 folderview_unselect(mainwin->folderview);
 163                 folderview_select(mainwin->folderview, item);
 164         } else {
 165                 item = mainwin->summaryview->folder_item;
 166                 folderview_unselect(mainwin->folderview);
 167                 folderview_select(mainwin->folderview, item);
 168         }
 169 }
 170
 171 void inc_mail(MainWindow *mainwin)
 172 {
 173         gint new_msgs = 0;
 174
 175         if (inc_lock_count) return;
 176
 177         inc_autocheck_timer_remove();
 178         summary_write_cache(mainwin->summaryview);
 179         main_window_lock(mainwin);
 180
 181         if (prefs_common.use_extinc && prefs_common.extinc_cmd) {
 182                 /* external incorporating program */
 183                 if (execute_command_line(prefs_common.extinc_cmd, FALSE) < 0) {
 184                         main_window_unlock(mainwin);
 185                         inc_autocheck_timer_set();
 186                         return;
 187                 }
 188
 189                 if (prefs_common.inc_local)
 190                         new_msgs = inc_spool();
 191         } else {
 192                 if (prefs_common.inc_local)
 193                         new_msgs = inc_spool();
 194
 195                 new_msgs += inc_account_mail(cur_account, mainwin);
 196         }
 197
 198         inc_finished(mainwin, new_msgs > 0);
 199         main_window_unlock(mainwin);
 200         inc_autocheck_timer_set();
 201 }
 202
 203 static gint inc_account_mail(PrefsAccount *account, MainWindow *mainwin)
 204 {
 205         IncProgressDialog *inc_dialog;
 206         IncSession *session;
 207         gchar *text[3];
 208
 209         session = inc_session_new(account);
 210         if (!session) return 0;
 211
 212         inc_dialog = inc_progress_dialog_create();
 213         inc_dialog->queue_list = g_list_append(inc_dialog->queue_list, session);
 214         inc_dialog->mainwin = mainwin;
 215         session->data = inc_dialog;
 216
 217         text[0] = NULL;
 218         text[1] = account->account_name;
 219         text[2] = _("Standby");
 220         gtk_clist_append(GTK_CLIST(inc_dialog->dialog->clist), text);
 221
 222         return inc_start(inc_dialog);
 223 }
 224
 225 void inc_all_account_mail(MainWindow *mainwin)
 226 {
 227         GList *list, *queue_list = NULL;
 228         IncProgressDialog *inc_dialog;
 229         gint new_msgs = 0;
 230
 231         if (inc_lock_count) return;
 232
 233         inc_autocheck_timer_remove();
 234         summary_write_cache(mainwin->summaryview);
 235         main_window_lock(mainwin);
 236
 237         if (prefs_common.inc_local)
 238                 new_msgs = inc_spool();
 239
 240         list = account_get_list();
 241         if (!list) {
 242                 inc_finished(mainwin, new_msgs > 0);
 243                 main_window_unlock(mainwin);
 244                 inc_autocheck_timer_set();
 245                 return;
 246         }
 247
 248         for (; list != NULL; list = list->next) {
 249                 IncSession *session;
 250                 PrefsAccount *account = list->data;
 251
 252                 if (account->recv_at_getall) {
 253                         session = inc_session_new(account);
 254                         if (session)
 255                                 queue_list = g_list_append(queue_list, session);
 256                 }
 257         }
 258
 259         if (!queue_list) {
 260                 inc_finished(mainwin, new_msgs > 0);
 261                 main_window_unlock(mainwin);
 262                 inc_autocheck_timer_set();
 263                 return;
 264         }
 265
 266         inc_dialog = inc_progress_dialog_create();
 267         inc_dialog->queue_list = queue_list;
 268         inc_dialog->mainwin = mainwin;
 269         for (list = queue_list; list != NULL; list = list->next) {
 270                 IncSession *session = list->data;
 271                 gchar *text[3];
 272
 273                 session->data = inc_dialog;
 274
 275                 text[0] = NULL;
 276                 text[1] = session->pop3_state->ac_prefs->account_name;
 277                 text[2] = _("Standby");
 278                 gtk_clist_append(GTK_CLIST(inc_dialog->dialog->clist), text);
 279         }
 280
 281         new_msgs += inc_start(inc_dialog);
 282
 283         inc_finished(mainwin, new_msgs > 0);
 284         main_window_unlock(mainwin);
 285         inc_autocheck_timer_set();
 286 }
 287
 288 static IncProgressDialog *inc_progress_dialog_create(void)
 289 {
 290         IncProgressDialog *dialog;
 291         ProgressDialog *progress;
 292
 293         dialog = g_new0(IncProgressDialog, 1);
 294
 295         progress = progress_dialog_create();
 296         gtk_window_set_title(GTK_WINDOW(progress->window),
 297                              _("Retrieving new messages"));
 298         gtk_signal_connect(GTK_OBJECT(progress->cancel_btn), "clicked",
 299                            GTK_SIGNAL_FUNC(inc_cancel), dialog);
 300         gtk_signal_connect(GTK_OBJECT(progress->window), "delete_event",
 301                            GTK_SIGNAL_FUNC(gtk_true), NULL);
 302         /* manage_window_set_transient(GTK_WINDOW(progress->window)); */
 303
 304         progress_dialog_set_value(progress, 0.0);
 305
 306         PIXMAP_CREATE(progress->clist, okxpm, okxpmmask, complete_xpm);
 307         PIXMAP_CREATE(progress->clist,
 308                       currentxpm, currentxpmmask, continue_xpm);
 309         PIXMAP_CREATE(progress->clist, errorxpm, errorxpmmask, error_xpm);
 310
 311         if (prefs_common.recv_dialog_mode == RECV_DIALOG_ALWAYS ||
 312             (prefs_common.recv_dialog_mode == RECV_DIALOG_ACTIVE &&
 313              manage_window_get_focus_window())) {
 314                 dialog->show_dialog = TRUE;
 315                 gtk_widget_show_now(progress->window);
 316         }
 317
 318         dialog->dialog = progress;
 319         dialog->queue_list = NULL;
 320
 321         return dialog;
 322 }
 323
 324 static void inc_progress_dialog_clear(IncProgressDialog *inc_dialog)
 325 {
 326         progress_dialog_set_value(inc_dialog->dialog, 0.0);
 327         progress_dialog_set_label(inc_dialog->dialog, "");
 328         gtk_progress_bar_update
 329                 (GTK_PROGRESS_BAR(inc_dialog->mainwin->progressbar), 0.0);
 330 }
 331
 332 static void inc_progress_dialog_destroy(IncProgressDialog *inc_dialog)
 333 {
 334         g_return_if_fail(inc_dialog != NULL);
 335
 336         gtk_progress_bar_update
 337                 (GTK_PROGRESS_BAR(inc_dialog->mainwin->progressbar), 0.0);
 338         progress_dialog_destroy(inc_dialog->dialog);
 339
 340         g_free(inc_dialog);
 341 }
 342
 343 static IncSession *inc_session_new(PrefsAccount *account)
 344 {
 345         IncSession *session;
 346
 347         g_return_val_if_fail(account != NULL, NULL);
 348
 349         if (account->protocol != A_POP3 && account->protocol != A_APOP)
 350                 return NULL;
 351         if (!account->recv_server || !account->userid)
 352                 return NULL;
 353
 354         session = g_new0(IncSession, 1);
 355         session->pop3_state = inc_pop3_state_new(account);
 356         session->pop3_state->session = session;
 357
 358         return session;
 359 }
 360
 361 static void inc_session_destroy(IncSession *session)
 362 {
 363         g_return_if_fail(session != NULL);
 364
 365         inc_pop3_state_destroy(session->pop3_state);
 366         g_free(session);
 367 }
 368
 369 static Pop3State *inc_pop3_state_new(PrefsAccount *account)
 370 {
 371         Pop3State *state;
 372
 373         state = g_new0(Pop3State, 1);
 374
 375         state->ac_prefs = account;
 376         state->folder_table = g_hash_table_new(NULL, NULL);
 377         state->id_table = inc_get_uidl_table(account);
 378         state->id_list = NULL;
 379         state->new_id_list = NULL;
 380         state->inc_state = INC_SUCCESS;
 381
 382         return state;
 383 }
 384
 385 static void inc_pop3_state_destroy(Pop3State *state)
 386 {
 387         g_hash_table_destroy(state->folder_table);
 388         g_free(state->sizes);
 389
 390         if (state->id_table) {
 391                 hash_free_strings(state->id_table);
 392                 g_hash_table_destroy(state->id_table);
 393         }
 394         slist_free_strings(state->id_list);
 395         slist_free_strings(state->new_id_list);
 396         g_slist_free(state->id_list);
 397         g_slist_free(state->new_id_list);
 398
 399         g_free(state->greeting);
 400         g_free(state->user);
 401         g_free(state->pass);
 402         g_free(state->prev_folder);
 403
 404         g_free(state);
 405 }
 406
 407 static gint inc_start(IncProgressDialog *inc_dialog)
 408 {
 409         IncSession *session;
 410         GtkCList *clist = GTK_CLIST(inc_dialog->dialog->clist);
 411         Pop3State *pop3_state;
 412         IncState inc_state;
 413         gint num = 0;
 414         gint error_num = 0;
 415         gint new_msgs = 0;
 416
 417         while (inc_dialog->queue_list != NULL) {
 418                 session = inc_dialog->queue_list->data;
 419                 pop3_state = session->pop3_state;
 420
 421                 inc_progress_dialog_clear(inc_dialog);
 422
 423                 gtk_clist_moveto(clist, num, -1, 1.0, 0.0);
 424
 425                 pop3_state->user = g_strdup(pop3_state->ac_prefs->userid);
 426                 if (pop3_state->ac_prefs->passwd)
 427                         pop3_state->pass =
 428                                 g_strdup(pop3_state->ac_prefs->passwd);
 429                 else if (pop3_state->ac_prefs->tmp_pass)
 430                         pop3_state->pass =
 431                                 g_strdup(pop3_state->ac_prefs->tmp_pass);
 432                 else {
 433                         gchar *pass;
 434                         gchar *message;
 435
 436                         message = g_strdup_printf
 437                                 (_("Input password for %s on %s:"),
 438                                  pop3_state->user,
 439                                  pop3_state->ac_prefs->recv_server);
 440
 441                         pass = input_dialog_with_invisible(_("Input password"),
 442                                                            message, NULL);
 443                         g_free(message);
 444                         if (inc_dialog->show_dialog)
 445                                 manage_window_focus_in
 446                                         (inc_dialog->mainwin->window,
 447                                          NULL, NULL);
 448                         if (pass) {
 449                                 pop3_state->ac_prefs->tmp_pass = g_strdup(pass);
 450                                 pop3_state->pass = pass;
 451                         } else {
 452                                 inc_session_destroy(session);
 453                                 inc_dialog->queue_list = g_list_remove
 454                                         (inc_dialog->queue_list, session);
 455                                 continue;
 456                         }
 457                 }
 458
 459                 gtk_clist_set_pixmap(clist, num, 0, currentxpm, currentxpmmask);
 460                 gtk_clist_set_text(clist, num, 2, _("Retrieving"));
 461
 462                 /* begin POP3 session */
 463                 inc_state = inc_pop3_session_do(session);
 464
 465                 if (inc_state == INC_SUCCESS) {
 466                         gtk_clist_set_pixmap(clist, num, 0, okxpm, okxpmmask);
 467                         gtk_clist_set_text(clist, num, 2, _("Done"));
 468                 } else if (inc_state == INC_CANCEL) {
 469                         gtk_clist_set_pixmap(clist, num, 0, okxpm, okxpmmask);
 470                         gtk_clist_set_text(clist, num, 2, _("Cancelled"));
 471                 } else {
 472                         gtk_clist_set_pixmap(clist, num, 0, errorxpm, errorxpmmask);
 473                         if (inc_state == INC_CONNECT_ERROR)
 474                                 gtk_clist_set_text(clist, num, 2,
 475                                                    _("Connection failed"));
 476                         else if (inc_state == INC_AUTH_FAILED)
 477                                 gtk_clist_set_text(clist, num, 2,
 478                                                    _("Auth failed"));
 479                         else
 480                                 gtk_clist_set_text(clist, num, 2, _("Error"));
 481                 }
 482
 483                 if (pop3_state->error_val == PS_AUTHFAIL) {
 484                         if(!prefs_common.noerrorpanel) {
 485                                 if((prefs_common.recv_dialog_mode == RECV_DIALOG_ALWAYS) ||
 486                                     ((prefs_common.recv_dialog_mode == RECV_DIALOG_ACTIVE) && focus_window)) {
 487                                         manage_window_focus_in(inc_dialog->dialog->window, NULL, NULL);
 488                                 }
 489                                 alertpanel_error
 490                                         (_("Authorization for %s on %s failed"),
 491                                          pop3_state->user,
 492                                          pop3_state->ac_prefs->recv_server);
 493                         }
 494                 }
 495
 496                 statusbar_pop_all();
 497
 498                 new_msgs += pop3_state->cur_total_num;
 499
 500                 if (!prefs_common.scan_all_after_inc) {
 501                         folder_item_scan_foreach(pop3_state->folder_table);
 502                         folderview_update_item_foreach
 503                                 (pop3_state->folder_table);
 504                 }
 505
 506                 if (pop3_state->error_val == PS_AUTHFAIL &&
 507                     pop3_state->ac_prefs->tmp_pass) {
 508                         g_free(pop3_state->ac_prefs->tmp_pass);
 509                         pop3_state->ac_prefs->tmp_pass = NULL;
 510                 }
 511
 512                 inc_write_uidl_list(pop3_state);
 513
 514                 if (inc_state != INC_SUCCESS && inc_state != INC_CANCEL) {
 515                         error_num++;
 516                         if (inc_state == INC_NOSPACE) {
 517                                 inc_put_error(inc_state);
 518                                 break;
 519                         }
 520                 }
 521
 522                 inc_session_destroy(session);
 523                 inc_dialog->queue_list =
 524                         g_list_remove(inc_dialog->queue_list, session);
 525
 526                 num++;
 527         }
 528
 529         if (error_num && !prefs_common.noerrorpanel) {
 530                 if (inc_dialog->show_dialog)
 531                         manage_window_focus_in(inc_dialog->dialog->window,
 532                                                NULL, NULL);
 533                 alertpanel_error(_("Some errors occured while getting mail."));
 534                 if (inc_dialog->show_dialog)
 535                         manage_window_focus_out(inc_dialog->dialog->window,
 536                                                 NULL, NULL);
 537         }
 538
 539         while (inc_dialog->queue_list != NULL) {
 540                 session = inc_dialog->queue_list->data;
 541                 inc_session_destroy(session);
 542                 inc_dialog->queue_list =
 543                         g_list_remove(inc_dialog->queue_list, session);
 544         }
 545
 546         inc_progress_dialog_destroy(inc_dialog);
 547
 548         return new_msgs;
 549 }
 550
 551 static IncState inc_pop3_session_do(IncSession *session)
 552 {
 553         Pop3State *pop3_state = session->pop3_state;
 554         IncProgressDialog *inc_dialog = (IncProgressDialog *)session->data;
 555         Automaton *atm;
 556         SockInfo *sockinfo;
 557         gint i;
 558         gchar *server;
 559         gushort port;
 560         gchar *buf;
 561         static AtmHandler handlers[] = {
 562                 pop3_greeting_recv      ,
 563                 pop3_getauth_user_send  , pop3_getauth_user_recv,
 564                 pop3_getauth_pass_send  , pop3_getauth_pass_recv,
 565                 pop3_getauth_apop_send  , pop3_getauth_apop_recv,
 566                 pop3_getrange_stat_send , pop3_getrange_stat_recv,
 567                 pop3_getrange_last_send , pop3_getrange_last_recv,
 568                 pop3_getrange_uidl_send , pop3_getrange_uidl_recv,
 569                 pop3_getsize_list_send  , pop3_getsize_list_recv,
 570                 pop3_retr_send          , pop3_retr_recv,
 571                 pop3_delete_send        , pop3_delete_recv,
 572                 pop3_logout_send        , pop3_logout_recv
 573         };
 574
 575         debug_print(_("getting new messages of account %s...\n"),
 576                     pop3_state->ac_prefs->account_name);
 577
 578         atm = automaton_create(N_POP3_PHASE);
 579
 580         session->atm = atm;
 581         atm->data = pop3_state;
 582
 583         buf = g_strdup_printf(_("%s: Retrieving new messages"),
 584                               pop3_state->ac_prefs->recv_server);
 585         gtk_window_set_title(GTK_WINDOW(inc_dialog->dialog->window), buf);
 586         g_free(buf);
 587
 588         for (i = POP3_GREETING_RECV; i < N_POP3_PHASE; i++)
 589                 atm->state[i].handler = handlers[i];
 590         atm->state[POP3_GREETING_RECV].condition = GDK_INPUT_READ;
 591         for (i = POP3_GETAUTH_USER_SEND; i < N_POP3_PHASE; ) {
 592                 atm->state[i++].condition = GDK_INPUT_WRITE;
 593                 atm->state[i++].condition = GDK_INPUT_READ;
 594         }
 595
 596         atm->terminate = (AtmHandler)pop3_automaton_terminate;
 597
 598         atm->num = POP3_GREETING_RECV;
 599
 600         server = pop3_state->ac_prefs->recv_server;
 601 #if USE_SSL
 602         port = pop3_state->ac_prefs->set_popport ?
 603                 pop3_state->ac_prefs->popport :
 604                 pop3_state->ac_prefs->ssl_pop ? 995 : 110;
 605 #else
 606         port = pop3_state->ac_prefs->set_popport ?
 607                 pop3_state->ac_prefs->popport : 110;
 608 #endif
 609
 610         buf = g_strdup_printf(_("Connecting to POP3 server: %s ..."), server);
 611         log_message("%s\n", buf);
 612         progress_dialog_set_label(inc_dialog->dialog, buf);
 613         g_free(buf);
 614         GTK_EVENTS_FLUSH();
 615         statusbar_pop_all();
 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                 return INC_CONNECT_ERROR;
 636         }
 637
 638 #if USE_SSL
 639         if (pop3_state->ac_prefs->ssl_pop && !ssl_init_socket(sockinfo)) {
 640                 pop3_automaton_terminate(NULL, atm);
 641                 automaton_destroy(atm);
 642                 return INC_CONNECT_ERROR;
 643         }
 644 #endif
 645
 646         /* :WK: Hmmm, with the later sock_gdk_input, we have 2 references
 647          * to the sock structure - implement a reference counter?? */
 648         pop3_state->sockinfo = sockinfo;
 649         atm->help_sock = sockinfo;
 650
 651         log_verbosity_set(TRUE);
 652         recv_set_ui_func(inc_pop3_recv_func, session);
 653
 654 #if USE_THREADS
 655         atm->timeout_tag = gtk_timeout_add
 656                 (TIMEOUT_ITV, (GtkFunction)connection_check_cb, atm);
 657 #else
 658         atm->tag = sock_gdk_input_add(sockinfo,
 659                                       atm->state[atm->num].condition,
 660                                       automaton_input_cb, atm);
 661 #endif
 662
 663         while (!atm->terminated)
 664                 gtk_main_iteration();
 665
 666         log_verbosity_set(FALSE);
 667         recv_set_ui_func(NULL, NULL);
 668
 669 #if USE_THREADS
 670         /* pthread_join(sockinfo->connect_thr, NULL); */
 671 #endif
 672         automaton_destroy(atm);
 673
 674         return pop3_state->inc_state;
 675 }
 676
 677 static gint pop3_automaton_terminate(SockInfo *source, Automaton *atm)
 678 {
 679         if (atm->terminated) return 0;
 680
 681         if (atm->tag > 0) {
 682                 gdk_input_remove(atm->tag);
 683                 atm->tag = 0;
 684         }
 685         if (atm->timeout_tag > 0) {
 686                 gtk_timeout_remove(atm->timeout_tag);
 687                 atm->timeout_tag = 0;
 688         }
 689         if (source)
 690                 sock_close(source);
 691
 692         atm->terminated = TRUE;
 693
 694         return 0;
 695 }
 696
 697 static GHashTable *inc_get_uidl_table(PrefsAccount *ac_prefs)
 698 {
 699         GHashTable *table;
 700         gchar *path;
 701         FILE *fp;
 702         gchar buf[IDLEN + 3];
 703
 704         path = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S,
 705                            "uidl-", ac_prefs->recv_server,
 706                            "-", ac_prefs->userid, NULL);
 707         if ((fp = fopen(path, "r")) == NULL) {
 708                 if (ENOENT != errno) FILE_OP_ERROR(path, "fopen");
 709                 g_free(path);
 710                 return NULL;
 711         }
 712         g_free(path);
 713
 714         table = g_hash_table_new(g_str_hash, g_str_equal);
 715
 716         while (fgets(buf, sizeof(buf), fp) != NULL) {
 717                 strretchomp(buf);
 718                 g_hash_table_insert(table, g_strdup(buf), GINT_TO_POINTER(1));
 719         }
 720
 721         fclose(fp);
 722
 723         return table;
 724 }
 725
 726 static void inc_write_uidl_list(Pop3State *state)
 727 {
 728         gchar *path;
 729         FILE *fp;
 730         GSList *cur;
 731
 732         if (!state->id_list) return;
 733
 734         path = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S,
 735                            "uidl-", state->ac_prefs->recv_server,
 736                            "-", state->user, NULL);
 737         if ((fp = fopen(path, "w")) == NULL) {
 738                 FILE_OP_ERROR(path, "fopen");
 739                 g_free(path);
 740                 return;
 741         }
 742
 743         for (cur = state->id_list; cur != NULL; cur = cur->next) {
 744                 if (fputs((gchar *)cur->data, fp) == EOF) {
 745                         FILE_OP_ERROR(path, "fputs");
 746                         break;
 747                 }
 748                 if (fputc('\n', fp) == EOF) {
 749                         FILE_OP_ERROR(path, "fputc");
 750                         break;
 751                 }
 752         }
 753
 754         if (fclose(fp) == EOF) FILE_OP_ERROR(path, "fclose");
 755         g_free(path);
 756 }
 757
 758 #if USE_THREADS
 759 static gint connection_check_cb(Automaton *atm)
 760 {
 761         Pop3State *state = atm->data;
 762         IncProgressDialog *inc_dialog = state->session->data;
 763         SockInfo *sockinfo = state->sockinfo;
 764
 765         /* g_print("connection check\n"); */
 766
 767         if (sockinfo->state == CONN_LOOKUPFAILED ||
 768             sockinfo->state == CONN_FAILED) {
 769                 atm->timeout_tag = 0;
 770                 log_warning(_("Can't connect to POP3 server: %s:%d\n"),
 771                             sockinfo->hostname, sockinfo->port);
 772                 if(!prefs_common.noerrorpanel) {
 773                         if((prefs_common.recv_dialog_mode == RECV_DIALOG_ALWAYS) ||
 774                             ((prefs_common.recv_dialog_mode == RECV_DIALOG_ACTIVE) && focus_window)) {
 775                                 manage_window_focus_in(inc_dialog->dialog->window, NULL, NULL);
 776                         }
 777                         alertpanel_error(_("Can't connect to POP3 server: %s:%d"),
 778                                          sockinfo->hostname, sockinfo->port);
 779                         manage_window_focus_out(inc_dialog->dialog->window, NULL, NULL);
 780                 }
 781                 pop3_automaton_terminate(sockinfo, atm);
 782                 state->sockinfo = NULL;
 783                 return FALSE;
 784         } else if (sockinfo->state == CONN_ESTABLISHED) {
 785                 atm->timeout_tag = 0;
 786                 atm->tag = sock_gdk_input_add(sockinfo,
 787                                               atm->state[atm->num].condition,
 788                                               automaton_input_cb, atm);
 789                 return FALSE;
 790         } else {
 791                 return TRUE;
 792         }
 793 }
 794 #endif
 795
 796 static void inc_pop3_recv_func(SockInfo *sock, gint count, gint read_bytes,
 797                                gpointer data)
 798 {
 799         gchar buf[MSGBUFSIZE];
 800         IncSession *session = (IncSession *)data;
 801         Pop3State *state = session->pop3_state;
 802         IncProgressDialog *inc_dialog = session->data;
 803         ProgressDialog *dialog = inc_dialog->dialog;
 804         gint cur_total;
 805         gchar *total_size;
 806
 807         cur_total = state->cur_total_bytes + read_bytes;
 808         if (cur_total > state->total_bytes)
 809                 cur_total = state->total_bytes;
 810
 811         Xstrdup_a(total_size, to_human_readable(state->total_bytes), return);
 812         g_snprintf(buf, sizeof(buf),
 813                    _("Retrieving message (%d / %d) (%s / %s)"),
 814                    state->cur_msg, state->count,
 815                    to_human_readable(cur_total), total_size);
 816         progress_dialog_set_label(dialog, buf);
 817
 818         progress_dialog_set_percentage
 819                 (dialog, (gfloat)cur_total / (gfloat)state->total_bytes);
 820         gtk_progress_bar_update
 821                 (GTK_PROGRESS_BAR(inc_dialog->mainwin->progressbar),
 822                  (gfloat)cur_total / (gfloat)state->total_bytes);
 823         GTK_EVENTS_FLUSH();
 824 }
 825
 826 void inc_progress_update(Pop3State *state, Pop3Phase phase)
 827 {
 828         gchar buf[MSGBUFSIZE];
 829         IncProgressDialog *inc_dialog = state->session->data;
 830         ProgressDialog *dialog = inc_dialog->dialog;
 831         gchar *total_size;
 832
 833         switch (phase) {
 834         case POP3_GREETING_RECV:
 835                 break;
 836         case POP3_GETAUTH_USER_SEND:
 837         case POP3_GETAUTH_USER_RECV:
 838         case POP3_GETAUTH_PASS_SEND:
 839         case POP3_GETAUTH_PASS_RECV:
 840         case POP3_GETAUTH_APOP_SEND:
 841         case POP3_GETAUTH_APOP_RECV:
 842                 progress_dialog_set_label(dialog, _("Authenticating..."));
 843                 break;
 844         case POP3_GETRANGE_STAT_SEND:
 845         case POP3_GETRANGE_STAT_RECV:
 846                 progress_dialog_set_label
 847                         (dialog, _("Getting the number of new messages (STAT)..."));
 848                 break;
 849         case POP3_GETRANGE_LAST_SEND:
 850         case POP3_GETRANGE_LAST_RECV:
 851                 progress_dialog_set_label
 852                         (dialog, _("Getting the number of new messages (LAST)..."));
 853                 break;
 854         case POP3_GETRANGE_UIDL_SEND:
 855         case POP3_GETRANGE_UIDL_RECV:
 856                 progress_dialog_set_label
 857                         (dialog, _("Getting the number of new messages (UIDL)..."));
 858                 break;
 859         case POP3_GETSIZE_LIST_SEND:
 860         case POP3_GETSIZE_LIST_RECV:
 861                 progress_dialog_set_label
 862                         (dialog, _("Getting the size of messages (LIST)..."));
 863                 break;
 864         case POP3_RETR_SEND:
 865         case POP3_RETR_RECV:
 866                 Xstrdup_a(total_size, to_human_readable(state->total_bytes), return);
 867                 g_snprintf(buf, sizeof(buf),
 868                            _("Retrieving message (%d / %d) (%s / %s)"),
 869                            state->cur_msg, state->count,
 870                            to_human_readable(state->cur_total_bytes),
 871                            total_size);
 872                 progress_dialog_set_label(dialog, buf);
 873                 progress_dialog_set_percentage
 874                         (dialog,
 875                          (gfloat)(state->cur_total_bytes) /
 876                          (gfloat)(state->total_bytes));
 877                 gtk_progress_bar_update
 878                         (GTK_PROGRESS_BAR(inc_dialog->mainwin->progressbar),
 879                          (gfloat)(state->cur_total_bytes) /
 880                          (gfloat)(state->total_bytes));
 881                 break;
 882         case POP3_DELETE_SEND:
 883         case POP3_DELETE_RECV:
 884                 progress_dialog_set_label(dialog, _("Deleting message"));
 885                 break;
 886         case POP3_LOGOUT_SEND:
 887         case POP3_LOGOUT_RECV:
 888                 progress_dialog_set_label(dialog, _("Quitting"));
 889                 break;
 890         default:
 891                 break;
 892         }
 893 }
 894
 895 gint inc_drop_message(const gchar *file, Pop3State *state)
 896 {
 897         FolderItem *inbox;
 898         FolderItem *dropfolder;
 899         gint val;
 900         gint msgnum;
 901
 902         if (state->ac_prefs->inbox) {
 903                 inbox = folder_find_item_from_path(state->ac_prefs->inbox);
 904                 if (!inbox)
 905                         inbox = folder_get_default_inbox();
 906         } else
 907                 inbox = folder_get_default_inbox();
 908         if (!inbox) {
 909                 unlink(file);
 910                 return -1;
 911         }
 912
 913         if (global_processing == NULL) {
 914                 /* old filtering */
 915                 if (state->ac_prefs->filter_on_recv) {
 916                         dropfolder =
 917                                 filter_get_dest_folder(prefs_common.fltlist, file);
 918                         if (!dropfolder) dropfolder = inbox;
 919                         else if (!strcmp(dropfolder->path, FILTER_NOT_RECEIVE)) {
 920                                 g_warning(_("a message won't be received\n"));
 921                                 return 1;
 922                         }
 923                 } else
 924                         dropfolder = inbox;
 925         } else {
 926                 /* new filtering */
 927                 dropfolder = inbox;
 928         }
 929
 930         val = GPOINTER_TO_INT(g_hash_table_lookup
 931                               (state->folder_table, dropfolder));
 932         if (val == 0) {
 933                 folder_item_scan(dropfolder);
 934                 g_hash_table_insert(state->folder_table, dropfolder,
 935                                     GINT_TO_POINTER(1));
 936         }
 937
 938         if (global_processing == NULL || !state->ac_prefs->filter_on_recv) {
 939                 if ((msgnum = folder_item_add_msg(dropfolder, file, TRUE)) < 0) {
 940                         unlink(file);
 941                         return -1;
 942                 }
 943         }
 944         else {
 945                 filter_incoming_message(dropfolder, file, state->folder_table);
 946         }
 947
 948         return 0;
 949 }
 950
 951 static void inc_put_error(IncState istate)
 952 {
 953         switch (istate) {
 954         case INC_ERROR:
 955                 if(!prefs_common.noerrorpanel) {
 956                         alertpanel_error(_("Error occurred while processing mail."));
 957                 }
 958                 break;
 959         case INC_NOSPACE:
 960                 alertpanel_error(_("No disk space left."));
 961                 break;
 962         default:
 963                 break;
 964         }
 965 }
 966
 967 static void inc_cancel(GtkWidget *widget, gpointer data)
 968 {
 969         IncProgressDialog *dialog = data;
 970         IncSession *session = dialog->queue_list->data;
 971         SockInfo *sockinfo = session->pop3_state->sockinfo;
 972
 973         if (!sockinfo || session->atm->terminated == TRUE) return;
 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         session->pop3_state->sockinfo = NULL;
 987 }
 988
 989 static gint inc_spool(void)
 990 {
 991         gchar *mbox, *logname;
 992         gint msgs;
 993
 994         logname = g_get_user_name();
 995         mbox = g_strconcat(prefs_common.spool_path
 996                            ? prefs_common.spool_path : DEFAULT_SPOOL_PATH,
 997                            G_DIR_SEPARATOR_S, logname, NULL);
 998         msgs = get_spool(folder_get_default_inbox(), mbox);
 999         g_free(mbox);
1000
1001         return msgs;
1002 }
1003
1004 static void inc_spool_account(PrefsAccount *account)
1005 {
1006         FolderItem *inbox;
1007         FolderItem *dropfolder;
1008         gint val;
1009
1010         if (account->inbox) {
1011                 inbox = folder_find_item_from_path(account->inbox);
1012                 if (!inbox)
1013                         inbox = folder_get_default_inbox();
1014         } else
1015                 inbox = folder_get_default_inbox();
1016
1017         get_spool(inbox, account->local_mbox);
1018 }
1019
1020 static void inc_all_spool(void)
1021 {
1022         GList *list = NULL;
1023
1024         list = account_get_list();
1025         if (!list) return;
1026
1027         for (; list != NULL; list = list->next) {
1028                 IncSession *session;
1029                 PrefsAccount *account = list->data;
1030
1031                 if (account->protocol == A_LOCAL)
1032                         inc_spool_account(account);
1033         }
1034 }
1035
1036 static gint get_spool(FolderItem *dest, const gchar *mbox)
1037 {
1038         gint msgs, size;
1039         gint lockfd;
1040         gchar tmp_mbox[MAXPATHLEN + 1];
1041         GHashTable *folder_table = NULL;
1042
1043         g_return_val_if_fail(dest != NULL, -1);
1044         g_return_val_if_fail(mbox != NULL, -1);
1045
1046         if (!is_file_exist(mbox) || (size = get_file_size(mbox)) == 0) {
1047                 debug_print(_("no messages in local mailbox.\n"));
1048                 return 0;
1049         } else if (size < 0)
1050                 return -1;
1051
1052         if ((lockfd = lock_mbox(mbox, LOCK_FLOCK)) < 0)
1053                 return -1;
1054
1055         g_snprintf(tmp_mbox, sizeof(tmp_mbox), "%s%ctmpmbox%d",
1056                    get_rc_dir(), G_DIR_SEPARATOR, (gint)mbox);
1057
1058         if (copy_mbox(mbox, tmp_mbox) < 0)
1059                 return -1;
1060
1061         debug_print(_("Getting new messages from %s into %s...\n"),
1062                     mbox, dest->path);
1063
1064         if (prefs_common.filter_on_inc)
1065                 folder_table = g_hash_table_new(NULL, NULL);
1066         msgs = proc_mbox(dest, tmp_mbox, folder_table);
1067
1068         unlink(tmp_mbox);
1069         if (msgs >= 0) empty_mbox(mbox);
1070         unlock_mbox(mbox, lockfd, LOCK_FLOCK);
1071
1072         if (folder_table) {
1073                 if (!prefs_common.scan_all_after_inc) {
1074                 g_hash_table_insert(folder_table, dest,
1075                                     GINT_TO_POINTER(1));
1076                         folder_item_scan_foreach(folder_table);
1077                         folderview_update_item_foreach(folder_table);
1078                 }
1079                 g_hash_table_destroy(folder_table);
1080         } else if (!prefs_common.scan_all_after_inc) {
1081                 folder_item_scan(dest);
1082                 folderview_update_item(dest, FALSE);
1083         }
1084
1085         return msgs;
1086 }
1087
1088 void inc_lock(void)
1089 {
1090         inc_lock_count++;
1091 }
1092
1093 void inc_unlock(void)
1094 {
1095         if (inc_lock_count > 0)
1096                 inc_lock_count--;
1097 }
1098
1099 static guint autocheck_timer = 0;
1100 static gpointer autocheck_data = NULL;
1101
1102 void inc_autocheck_timer_init(MainWindow *mainwin)
1103 {
1104         autocheck_data = mainwin;
1105         inc_autocheck_timer_set();
1106 }
1107
1108 static void inc_autocheck_timer_set_interval(guint interval)
1109 {
1110         inc_autocheck_timer_remove();
1111
1112         if (prefs_common.autochk_newmail && autocheck_data) {
1113                 autocheck_timer = gtk_timeout_add
1114                         (interval, inc_autocheck_func, autocheck_data);
1115                 debug_print("added timer = %d\n", autocheck_timer);
1116         }
1117 }
1118
1119 void inc_autocheck_timer_set(void)
1120 {
1121         inc_autocheck_timer_set_interval(prefs_common.autochk_itv * 60000);
1122 }
1123
1124 void inc_autocheck_timer_remove(void)
1125 {
1126         if (autocheck_timer) {
1127                 debug_print("removed timer = %d\n", autocheck_timer);
1128                 gtk_timeout_remove(autocheck_timer);
1129                 autocheck_timer = 0;
1130         }
1131 }
1132
1133 static gint inc_autocheck_func(gpointer data)
1134 {
1135         MainWindow *mainwin = (MainWindow *)data;
1136
1137         if (inc_lock_count) {
1138                 debug_print("autocheck is locked.\n");
1139                 inc_autocheck_timer_set_interval(1000);
1140                 return FALSE;
1141         }
1142
1143         inc_all_account_mail(mainwin);
1144
1145         return FALSE;
1146 }