src/inc.c

   1 /*
   2  * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
   3  * Copyright (C) 1999-2002 Hiroyuki Yamamoto
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; either version 2 of the License, or
   8  * (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License
  16  * along with this program; if not, write to the Free Software
  17  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  18  */
  19
  20 #ifdef HAVE_CONFIG_H
  21 #  include "config.h"
  22 #endif
  23
  24 #include "defs.h"
  25
  26 #include <glib.h>
  27 #include <gtk/gtkmain.h>
  28 #include <gtk/gtkwindow.h>
  29 #include <gtk/gtksignal.h>
  30 #include <gtk/gtkprogressbar.h>
  31 #include <stdio.h>
  32 #include <unistd.h>
  33 #include <string.h>
  34 #include <sys/types.h>
  35 #include <sys/stat.h>
  36 #include <sys/wait.h>
  37 #include <signal.h>
  38 #include <errno.h>
  39
  40 #include "intl.h"
  41 #include "main.h"
  42 #include "inc.h"
  43 #include "mainwindow.h"
  44 #include "folderview.h"
  45 #include "summaryview.h"
  46 #include "prefs_common.h"
  47 #include "prefs_account.h"
  48 #include "account.h"
  49 #include "procmsg.h"
  50 #include "socket.h"
  51 #include "ssl.h"
  52 #include "pop.h"
  53 #include "recv.h"
  54 #include "mbox.h"
  55 #include "utils.h"
  56 #include "gtkutils.h"
  57 #include "statusbar.h"
  58 #include "manage_window.h"
  59 #include "stock_pixmap.h"
  60 #include "progressdialog.h"
  61 #include "inputdialog.h"
  62 #include "alertpanel.h"
  63 #include "filter.h"
  64 #include "automaton.h"
  65 #include "folder.h"
  66 #include "filtering.h"
  67
  68 static guint inc_lock_count = 0;
  69
  70 static GdkPixmap *currentxpm;
  71 static GdkBitmap *currentxpmmask;
  72 static GdkPixmap *errorxpm;
  73 static GdkBitmap *errorxpmmask;
  74 static GdkPixmap *okxpm;
  75 static GdkBitmap *okxpmmask;
  76
  77 #define MSGBUFSIZE      8192
  78
  79 static void inc_finished                (MainWindow             *mainwin,
  80                                          gboolean                new_messages);
  81 static gint inc_account_mail            (PrefsAccount           *account,
  82                                          MainWindow             *mainwin);
  83
  84 static IncProgressDialog *inc_progress_dialog_create    (void);
  85 static void inc_progress_dialog_destroy (IncProgressDialog      *inc_dialog);
  86
  87 static IncSession *inc_session_new      (PrefsAccount           *account);
  88 static void inc_session_destroy         (IncSession             *session);
  89 static Pop3State *inc_pop3_state_new    (PrefsAccount           *account);
  90 static void inc_pop3_state_destroy      (Pop3State              *state);
  91 static gint inc_start                   (IncProgressDialog      *inc_dialog);
  92 static IncState inc_pop3_session_do     (IncSession             *session);
  93 static gint pop3_automaton_terminate    (SockInfo               *source,
  94                                          Automaton              *atm);
  95
  96 static GHashTable *inc_get_uidl_table   (PrefsAccount           *ac_prefs);
  97 static void inc_write_uidl_list         (Pop3State              *state);
  98
  99 static void inc_pop3_recv_func          (SockInfo       *sock,
 100                                          gint            count,
 101                                          gint            read_bytes,
 102                                          gpointer        data);
 103
 104 static void inc_put_error               (IncState        istate);
 105
 106 static void inc_cancel                  (GtkWidget      *widget,
 107                                          gpointer        data);
 108
 109 static gint inc_spool                   (void);
 110 static gint get_spool                   (FolderItem     *dest,
 111                                          const gchar    *mbox);
 112
 113 static void inc_all_spool(void);
 114 static void inc_autocheck_timer_set_interval    (guint           interval);
 115 static gint inc_autocheck_func                  (gpointer        data);
 116
 117 #define FOLDER_SUMMARY_MISMATCH(f, s) \
 118         (f) && (s) ? ((s)->newmsgs != (f)->new) || ((f)->unread != (s)->unread) || ((f)->total != (s)->messages) \
 119         : FALSE
 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_check_new(NULL);
 136
 137         if (!new_messages && !prefs_common.scan_all_after_inc) return;
 138
 139         if (prefs_common.open_inbox_on_inc) {
 140                 item = cur_account && cur_account->inbox
 141                         ? folder_find_item_from_path(cur_account->inbox)
 142                         : folder_get_default_inbox();
 143                 if (FOLDER_SUMMARY_MISMATCH(item, mainwin->summaryview)) {
 144                         folderview_unselect(mainwin->folderview);
 145                         folderview_select(mainwin->folderview, item);
 146                 }
 147         } else {
 148                 item = mainwin->summaryview->folder_item;
 149                 if (FOLDER_SUMMARY_MISMATCH(item, mainwin->summaryview)) {
 150                         folderview_unselect(mainwin->folderview);
 151                         folderview_select(mainwin->folderview, item);
 152                 }
 153         }
 154 }
 155
 156 void inc_mail(MainWindow *mainwin)
 157 {
 158         gint new_msgs = 0;
 159
 160         if (inc_lock_count) return;
 161
 162         inc_autocheck_timer_remove();
 163         summary_write_cache(mainwin->summaryview);
 164         main_window_lock(mainwin);
 165
 166         if (prefs_common.use_extinc && prefs_common.extinc_cmd) {
 167                 /* external incorporating program */
 168                 if (execute_command_line(prefs_common.extinc_cmd, FALSE) < 0) {
 169                         main_window_unlock(mainwin);
 170                         inc_autocheck_timer_set();
 171                         return;
 172                 }
 173
 174                 if (prefs_common.inc_local)
 175                         new_msgs = inc_spool();
 176         } else {
 177                 if (prefs_common.inc_local)
 178                         new_msgs = inc_spool();
 179
 180                 new_msgs += inc_account_mail(cur_account, mainwin);
 181         }
 182
 183         inc_finished(mainwin, new_msgs > 0);
 184         main_window_unlock(mainwin);
 185         inc_autocheck_timer_set();
 186 }
 187
 188 static gint inc_account_mail(PrefsAccount *account, MainWindow *mainwin)
 189 {
 190         IncProgressDialog *inc_dialog;
 191         IncSession *session;
 192         gchar *text[3];
 193
 194         if (account->protocol == A_IMAP4 || account->protocol == A_NNTP) {
 195                 folderview_check_new(FOLDER(account->folder));
 196                 return 1;
 197         }
 198
 199         session = inc_session_new(account);
 200         if (!session) return 0;
 201
 202         inc_dialog = inc_progress_dialog_create();
 203         inc_dialog->queue_list = g_list_append(inc_dialog->queue_list, session);
 204         inc_dialog->mainwin = mainwin;
 205         session->data = inc_dialog;
 206
 207         text[0] = NULL;
 208         text[1] = account->account_name;
 209         text[2] = _("Standby");
 210         gtk_clist_append(GTK_CLIST(inc_dialog->dialog->clist), text);
 211
 212         return inc_start(inc_dialog);
 213 }
 214
 215 void inc_all_account_mail(MainWindow *mainwin)
 216 {
 217         GList *list, *queue_list = NULL;
 218         IncProgressDialog *inc_dialog;
 219         gint new_msgs = 0;
 220
 221         if (inc_lock_count) return;
 222
 223         inc_autocheck_timer_remove();
 224         summary_write_cache(mainwin->summaryview);
 225         main_window_lock(mainwin);
 226
 227         if (prefs_common.inc_local)
 228                 new_msgs = inc_spool();
 229
 230         list = account_get_list();
 231         if (!list) {
 232                 inc_finished(mainwin, new_msgs > 0);
 233                 main_window_unlock(mainwin);
 234                 inc_autocheck_timer_set();
 235                 return;
 236         }
 237
 238         /* check IMAP4 folders */
 239         for (; list != NULL; list = list->next) {
 240                 PrefsAccount *account = list->data;
 241                 if ((account->protocol == A_IMAP4 ||
 242                      account->protocol == A_NNTP) && account->recv_at_getall)
 243                         folderview_check_new(FOLDER(account->folder));
 244         }
 245
 246         /* check POP3 accounts */
 247         for (list = account_get_list(); list != NULL; list = list->next) {
 248                 IncSession *session;
 249                 PrefsAccount *account = list->data;
 250
 251                 if (account->recv_at_getall) {
 252                         session = inc_session_new(account);
 253                         if (session)
 254                                 queue_list = g_list_append(queue_list, session);
 255                 }
 256         }
 257
 258         if (!queue_list) {
 259                 inc_finished(mainwin, new_msgs > 0);
 260                 main_window_unlock(mainwin);
 261                 inc_autocheck_timer_set();
 262                 return;
 263         }
 264
 265         inc_dialog = inc_progress_dialog_create();
 266         inc_dialog->queue_list = queue_list;
 267         inc_dialog->mainwin = mainwin;
 268         for (list = queue_list; list != NULL; list = list->next) {
 269                 IncSession *session = list->data;
 270                 gchar *text[3];
 271
 272                 session->data = inc_dialog;
 273
 274                 text[0] = NULL;
 275                 text[1] = session->pop3_state->ac_prefs->account_name;
 276                 text[2] = _("Standby");
 277                 gtk_clist_append(GTK_CLIST(inc_dialog->dialog->clist), text);
 278         }
 279
 280         new_msgs += inc_start(inc_dialog);
 281
 282         inc_finished(mainwin, new_msgs > 0);
 283         main_window_unlock(mainwin);
 284         inc_autocheck_timer_set();
 285 }
 286
 287 static IncProgressDialog *inc_progress_dialog_create(void)
 288 {
 289         IncProgressDialog *dialog;
 290         ProgressDialog *progress;
 291
 292         dialog = g_new0(IncProgressDialog, 1);
 293
 294         progress = progress_dialog_create();
 295         gtk_window_set_title(GTK_WINDOW(progress->window),
 296                              _("Retrieving new messages"));
 297         gtk_signal_connect(GTK_OBJECT(progress->cancel_btn), "clicked",
 298                            GTK_SIGNAL_FUNC(inc_cancel), dialog);
 299         gtk_signal_connect(GTK_OBJECT(progress->window), "delete_event",
 300                            GTK_SIGNAL_FUNC(gtk_true), NULL);
 301         /* manage_window_set_transient(GTK_WINDOW(progress->window)); */
 302
 303         progress_dialog_set_value(progress, 0.0);
 304
 305         stock_pixmap_gdk(progress->clist, STOCK_PIXMAP_COMPLETE,
 306                          &okxpm, &okxpmmask);
 307         stock_pixmap_gdk(progress->clist, STOCK_PIXMAP_CONTINUE,
 308                          &currentxpm, &currentxpmmask);
 309         stock_pixmap_gdk(progress->clist, STOCK_PIXMAP_ERROR,
 310                          &errorxpm, &errorxpmmask);
 311
 312         if (prefs_common.recv_dialog_mode == RECV_DIALOG_ALWAYS ||
 313             (prefs_common.recv_dialog_mode == RECV_DIALOG_ACTIVE &&
 314              manage_window_get_focus_window())) {
 315                 dialog->show_dialog = TRUE;
 316                 gtk_widget_show_now(progress->window);
 317         }
 318
 319         dialog->dialog = progress;
 320         dialog->queue_list = NULL;
 321
 322         return dialog;
 323 }
 324
 325 static void inc_progress_dialog_clear(IncProgressDialog *inc_dialog)
 326 {
 327         progress_dialog_set_value(inc_dialog->dialog, 0.0);
 328         progress_dialog_set_label(inc_dialog->dialog, "");
 329         gtk_progress_bar_update
 330                 (GTK_PROGRESS_BAR(inc_dialog->mainwin->progressbar), 0.0);
 331 }
 332
 333 static void inc_progress_dialog_destroy(IncProgressDialog *inc_dialog)
 334 {
 335         g_return_if_fail(inc_dialog != NULL);
 336
 337         gtk_progress_bar_update
 338                 (GTK_PROGRESS_BAR(inc_dialog->mainwin->progressbar), 0.0);
 339         progress_dialog_destroy(inc_dialog->dialog);
 340
 341         g_free(inc_dialog);
 342 }
 343
 344 static IncSession *inc_session_new(PrefsAccount *account)
 345 {
 346         IncSession *session;
 347
 348         g_return_val_if_fail(account != NULL, NULL);
 349
 350         if (account->protocol != A_POP3 && account->protocol != A_APOP)
 351                 return NULL;
 352         if (!account->recv_server || !account->userid)
 353                 return NULL;
 354
 355         session = g_new0(IncSession, 1);
 356         session->pop3_state = inc_pop3_state_new(account);
 357         session->pop3_state->session = session;
 358
 359         return session;
 360 }
 361
 362 static void inc_session_destroy(IncSession *session)
 363 {
 364         g_return_if_fail(session != NULL);
 365
 366         inc_pop3_state_destroy(session->pop3_state);
 367         g_free(session);
 368 }
 369
 370 static Pop3State *inc_pop3_state_new(PrefsAccount *account)
 371 {
 372         Pop3State *state;
 373
 374         state = g_new0(Pop3State, 1);
 375
 376         state->ac_prefs = account;
 377         state->folder_table = g_hash_table_new(NULL, NULL);
 378         state->id_table = inc_get_uidl_table(account);
 379         state->id_list = NULL;
 380         state->new_id_list = NULL;
 381         state->inc_state = INC_SUCCESS;
 382
 383         return state;
 384 }
 385
 386 static void inc_pop3_state_destroy(Pop3State *state)
 387 {
 388         g_hash_table_destroy(state->folder_table);
 389         g_free(state->sizes);
 390
 391         if (state->id_table) {
 392                 hash_free_strings(state->id_table);
 393                 g_hash_table_destroy(state->id_table);
 394         }
 395         slist_free_strings(state->id_list);
 396         slist_free_strings(state->new_id_list);
 397         g_slist_free(state->id_list);
 398         g_slist_free(state->new_id_list);
 399
 400         g_free(state->greeting);
 401         g_free(state->user);
 402         g_free(state->pass);
 403         g_free(state->prev_folder);
 404
 405         g_free(state);
 406 }
 407
 408 static gint inc_start(IncProgressDialog *inc_dialog)
 409 {
 410         IncSession *session;
 411         GtkCList *clist = GTK_CLIST(inc_dialog->dialog->clist);
 412         Pop3State *pop3_state;
 413         IncState inc_state;
 414         gint num = 0;
 415         gint error_num = 0;
 416         gint new_msgs = 0;
 417
 418         while (inc_dialog->queue_list != NULL) {
 419                 session = inc_dialog->queue_list->data;
 420                 pop3_state = session->pop3_state;
 421
 422                 inc_progress_dialog_clear(inc_dialog);
 423
 424                 gtk_clist_moveto(clist, num, -1, 1.0, 0.0);
 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
 436                         pass = input_dialog_query_password
 437                                 (pop3_state->ac_prefs->recv_server,
 438                                  pop3_state->user);
 439
 440                         if (inc_dialog->show_dialog)
 441                                 manage_window_focus_in
 442                                         (inc_dialog->mainwin->window,
 443                                          NULL, NULL);
 444                         if (pass) {
 445                                 pop3_state->ac_prefs->tmp_pass = g_strdup(pass);
 446                                 pop3_state->pass = pass;
 447                         } else {
 448                                 inc_session_destroy(session);
 449                                 inc_dialog->queue_list = g_list_remove
 450                                         (inc_dialog->queue_list, session);
 451                                 continue;
 452                         }
 453                 }
 454
 455                 gtk_clist_set_pixmap(clist, num, 0, currentxpm, currentxpmmask);
 456                 gtk_clist_set_text(clist, num, 2, _("Retrieving"));
 457
 458                 /* begin POP3 session */
 459                 inc_state = inc_pop3_session_do(session);
 460
 461                 if (inc_state == INC_SUCCESS) {
 462                         gtk_clist_set_pixmap(clist, num, 0, okxpm, okxpmmask);
 463                         gtk_clist_set_text(clist, num, 2, _("Done"));
 464                 } else if (inc_state == INC_CANCEL) {
 465                         gtk_clist_set_pixmap(clist, num, 0, okxpm, okxpmmask);
 466                         gtk_clist_set_text(clist, num, 2, _("Cancelled"));
 467                 } else {
 468                         gtk_clist_set_pixmap(clist, num, 0, errorxpm, errorxpmmask);
 469                         if (inc_state == INC_CONNECT_ERROR)
 470                                 gtk_clist_set_text(clist, num, 2,
 471                                                    _("Connection failed"));
 472                         else if (inc_state == INC_AUTH_FAILED)
 473                                 gtk_clist_set_text(clist, num, 2,
 474                                                    _("Auth failed"));
 475                         else
 476                                 gtk_clist_set_text(clist, num, 2, _("Error"));
 477                 }
 478
 479                 if (pop3_state->error_val == PS_AUTHFAIL) {
 480                         if(!prefs_common.noerrorpanel) {
 481                                 if((prefs_common.recv_dialog_mode == RECV_DIALOG_ALWAYS) ||
 482                                     ((prefs_common.recv_dialog_mode == RECV_DIALOG_ACTIVE) && focus_window)) {
 483                                         manage_window_focus_in(inc_dialog->dialog->window, NULL, NULL);
 484                                 }
 485                                 alertpanel_error
 486                                         (_("Authorization for %s on %s failed"),
 487                                          pop3_state->user,
 488                                          pop3_state->ac_prefs->recv_server);
 489                         }
 490                 }
 491
 492                 statusbar_pop_all();
 493
 494                 new_msgs += pop3_state->cur_total_num;
 495
 496                 if (!prefs_common.scan_all_after_inc) {
 497                         folder_item_scan_foreach(pop3_state->folder_table);
 498                         folderview_update_item_foreach
 499                                 (pop3_state->folder_table);
 500                 }
 501
 502                 if (pop3_state->error_val == PS_AUTHFAIL &&
 503                     pop3_state->ac_prefs->tmp_pass) {
 504                         g_free(pop3_state->ac_prefs->tmp_pass);
 505                         pop3_state->ac_prefs->tmp_pass = NULL;
 506                 }
 507
 508                 inc_write_uidl_list(pop3_state);
 509
 510                 if (inc_state != INC_SUCCESS && inc_state != INC_CANCEL) {
 511                         error_num++;
 512                         if (inc_state == INC_NOSPACE) {
 513                                 inc_put_error(inc_state);
 514                                 break;
 515                         }
 516                 }
 517
 518                 inc_session_destroy(session);
 519                 inc_dialog->queue_list =
 520                         g_list_remove(inc_dialog->queue_list, session);
 521
 522                 num++;
 523         }
 524
 525         if (error_num && !prefs_common.noerrorpanel) {
 526                 if (inc_dialog->show_dialog)
 527                         manage_window_focus_in(inc_dialog->dialog->window,
 528                                                NULL, NULL);
 529                 alertpanel_error(_("Some errors occured while getting mail."));
 530                 if (inc_dialog->show_dialog)
 531                         manage_window_focus_out(inc_dialog->dialog->window,
 532                                                 NULL, NULL);
 533         }
 534
 535         while (inc_dialog->queue_list != NULL) {
 536                 session = inc_dialog->queue_list->data;
 537                 inc_session_destroy(session);
 538                 inc_dialog->queue_list =
 539                         g_list_remove(inc_dialog->queue_list, session);
 540         }
 541
 542         inc_progress_dialog_destroy(inc_dialog);
 543
 544         return new_msgs;
 545 }
 546
 547 static IncState inc_pop3_session_do(IncSession *session)
 548 {
 549         Pop3State *pop3_state = session->pop3_state;
 550         IncProgressDialog *inc_dialog = (IncProgressDialog *)session->data;
 551         Automaton *atm;
 552         SockInfo *sockinfo;
 553         gint i;
 554         gchar *server;
 555         gushort port;
 556         gchar *buf;
 557         static AtmHandler handlers[] = {
 558                 pop3_greeting_recv      ,
 559                 pop3_getauth_user_send  , pop3_getauth_user_recv,
 560                 pop3_getauth_pass_send  , pop3_getauth_pass_recv,
 561                 pop3_getauth_apop_send  , pop3_getauth_apop_recv,
 562                 pop3_getrange_stat_send , pop3_getrange_stat_recv,
 563                 pop3_getrange_last_send , pop3_getrange_last_recv,
 564                 pop3_getrange_uidl_send , pop3_getrange_uidl_recv,
 565                 pop3_getsize_list_send  , pop3_getsize_list_recv,
 566                 pop3_retr_send          , pop3_retr_recv,
 567                 pop3_delete_send        , pop3_delete_recv,
 568                 pop3_logout_send        , pop3_logout_recv
 569         };
 570
 571         debug_print(_("getting new messages of account %s...\n"),
 572                     pop3_state->ac_prefs->account_name);
 573
 574         atm = automaton_create(N_POP3_PHASE);
 575
 576         session->atm = atm;
 577         atm->data = pop3_state;
 578
 579         buf = g_strdup_printf(_("%s: Retrieving new messages"),
 580                               pop3_state->ac_prefs->recv_server);
 581         gtk_window_set_title(GTK_WINDOW(inc_dialog->dialog->window), buf);
 582         g_free(buf);
 583
 584         for (i = POP3_GREETING_RECV; i < N_POP3_PHASE; i++)
 585                 atm->state[i].handler = handlers[i];
 586         atm->state[POP3_GREETING_RECV].condition = GDK_INPUT_READ;
 587         for (i = POP3_GETAUTH_USER_SEND; i < N_POP3_PHASE; ) {
 588                 atm->state[i++].condition = GDK_INPUT_WRITE;
 589                 atm->state[i++].condition = GDK_INPUT_READ;
 590         }
 591
 592         atm->terminate = (AtmHandler)pop3_automaton_terminate;
 593
 594         atm->num = POP3_GREETING_RECV;
 595
 596         server = pop3_state->ac_prefs->recv_server;
 597 #if USE_SSL
 598         port = pop3_state->ac_prefs->set_popport ?
 599                 pop3_state->ac_prefs->popport :
 600                 pop3_state->ac_prefs->ssl_pop ? 995 : 110;
 601 #else
 602         port = pop3_state->ac_prefs->set_popport ?
 603                 pop3_state->ac_prefs->popport : 110;
 604 #endif
 605
 606         buf = g_strdup_printf(_("Connecting to POP3 server: %s ..."), server);
 607         log_message("%s\n", buf);
 608         progress_dialog_set_label(inc_dialog->dialog, buf);
 609         g_free(buf);
 610         GTK_EVENTS_FLUSH();
 611         statusbar_pop_all();
 612
 613         if ((sockinfo = sock_connect(server, port)) == NULL) {
 614                 log_warning(_("Can't connect to POP3 server: %s:%d\n"),
 615                             server, port);
 616                 if(!prefs_common.noerrorpanel) {
 617                         if((prefs_common.recv_dialog_mode == RECV_DIALOG_ALWAYS) ||
 618                             ((prefs_common.recv_dialog_mode == RECV_DIALOG_ACTIVE) && focus_window)) {
 619                                 manage_window_focus_in(inc_dialog->dialog->window, NULL, NULL);
 620                         }
 621                         alertpanel_error(_("Can't connect to POP3 server: %s:%d"),
 622                                          server, port);
 623                         manage_window_focus_out(inc_dialog->dialog->window, NULL, NULL);
 624                 }
 625                 pop3_automaton_terminate(NULL, atm);
 626                 automaton_destroy(atm);
 627                 return INC_CONNECT_ERROR;
 628         }
 629
 630 #if USE_SSL
 631         if (pop3_state->ac_prefs->ssl_pop && !ssl_init_socket(sockinfo)) {
 632                 pop3_automaton_terminate(NULL, atm);
 633                 automaton_destroy(atm);
 634                 return INC_CONNECT_ERROR;
 635         }
 636 #endif
 637
 638         /* :WK: Hmmm, with the later sock_gdk_input, we have 2 references
 639          * to the sock structure - implement a reference counter?? */
 640         pop3_state->sockinfo = sockinfo;
 641         atm->help_sock = sockinfo;
 642
 643         log_verbosity_set(TRUE);
 644         recv_set_ui_func(inc_pop3_recv_func, session);
 645
 646         atm->tag = sock_gdk_input_add(sockinfo,
 647                                       atm->state[atm->num].condition,
 648                                       automaton_input_cb, atm);
 649
 650         while (!atm->terminated)
 651                 gtk_main_iteration();
 652
 653         log_verbosity_set(FALSE);
 654         recv_set_ui_func(NULL, NULL);
 655
 656         automaton_destroy(atm);
 657
 658         return pop3_state->inc_state;
 659 }
 660
 661 static gint pop3_automaton_terminate(SockInfo *source, Automaton *atm)
 662 {
 663         if (atm->terminated) return 0;
 664
 665         if (atm->tag > 0) {
 666                 gdk_input_remove(atm->tag);
 667                 atm->tag = 0;
 668         }
 669         if (atm->timeout_tag > 0) {
 670                 gtk_timeout_remove(atm->timeout_tag);
 671                 atm->timeout_tag = 0;
 672         }
 673         if (source)
 674                 sock_close(source);
 675
 676         atm->terminated = TRUE;
 677
 678         return 0;
 679 }
 680
 681 static GHashTable *inc_get_uidl_table(PrefsAccount *ac_prefs)
 682 {
 683         GHashTable *table;
 684         gchar *path;
 685         FILE *fp;
 686         gchar buf[IDLEN + 3];
 687
 688         path = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S,
 689                            "uidl-", ac_prefs->recv_server,
 690                            "-", ac_prefs->userid, NULL);
 691         if ((fp = fopen(path, "r")) == NULL) {
 692                 if (ENOENT != errno) FILE_OP_ERROR(path, "fopen");
 693                 g_free(path);
 694                 return NULL;
 695         }
 696         g_free(path);
 697
 698         table = g_hash_table_new(g_str_hash, g_str_equal);
 699
 700         while (fgets(buf, sizeof(buf), fp) != NULL) {
 701                 strretchomp(buf);
 702                 g_hash_table_insert(table, g_strdup(buf), GINT_TO_POINTER(1));
 703         }
 704
 705         fclose(fp);
 706
 707         return table;
 708 }
 709
 710 static void inc_write_uidl_list(Pop3State *state)
 711 {
 712         gchar *path;
 713         FILE *fp;
 714         GSList *cur;
 715
 716         if (!state->id_list) return;
 717
 718         path = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S,
 719                            "uidl-", state->ac_prefs->recv_server,
 720                            "-", state->user, NULL);
 721         if ((fp = fopen(path, "w")) == NULL) {
 722                 FILE_OP_ERROR(path, "fopen");
 723                 g_free(path);
 724                 return;
 725         }
 726
 727         for (cur = state->id_list; cur != NULL; cur = cur->next) {
 728                 if (fputs((gchar *)cur->data, fp) == EOF) {
 729                         FILE_OP_ERROR(path, "fputs");
 730                         break;
 731                 }
 732                 if (fputc('\n', fp) == EOF) {
 733                         FILE_OP_ERROR(path, "fputc");
 734                         break;
 735                 }
 736         }
 737
 738         if (fclose(fp) == EOF) FILE_OP_ERROR(path, "fclose");
 739         g_free(path);
 740 }
 741
 742 static void inc_pop3_recv_func(SockInfo *sock, gint count, gint read_bytes,
 743                                gpointer data)
 744 {
 745         gchar buf[MSGBUFSIZE];
 746         IncSession *session = (IncSession *)data;
 747         Pop3State *state = session->pop3_state;
 748         IncProgressDialog *inc_dialog = session->data;
 749         ProgressDialog *dialog = inc_dialog->dialog;
 750         gint cur_total;
 751         gchar *total_size;
 752
 753         cur_total = state->cur_total_bytes + read_bytes;
 754         if (cur_total > state->total_bytes)
 755                 cur_total = state->total_bytes;
 756
 757         Xstrdup_a(total_size, to_human_readable(state->total_bytes), return);
 758         g_snprintf(buf, sizeof(buf),
 759                    _("Retrieving message (%d / %d) (%s / %s)"),
 760                    state->cur_msg, state->count,
 761                    to_human_readable(cur_total), total_size);
 762         progress_dialog_set_label(dialog, buf);
 763
 764         progress_dialog_set_percentage
 765                 (dialog, (gfloat)cur_total / (gfloat)state->total_bytes);
 766         gtk_progress_bar_update
 767                 (GTK_PROGRESS_BAR(inc_dialog->mainwin->progressbar),
 768                  (gfloat)cur_total / (gfloat)state->total_bytes);
 769         GTK_EVENTS_FLUSH();
 770 }
 771
 772 void inc_progress_update(Pop3State *state, Pop3Phase phase)
 773 {
 774         gchar buf[MSGBUFSIZE];
 775         IncProgressDialog *inc_dialog = state->session->data;
 776         ProgressDialog *dialog = inc_dialog->dialog;
 777         gchar *total_size;
 778
 779         switch (phase) {
 780         case POP3_GREETING_RECV:
 781                 break;
 782         case POP3_GETAUTH_USER_SEND:
 783         case POP3_GETAUTH_USER_RECV:
 784         case POP3_GETAUTH_PASS_SEND:
 785         case POP3_GETAUTH_PASS_RECV:
 786         case POP3_GETAUTH_APOP_SEND:
 787         case POP3_GETAUTH_APOP_RECV:
 788                 progress_dialog_set_label(dialog, _("Authenticating..."));
 789                 break;
 790         case POP3_GETRANGE_STAT_SEND:
 791         case POP3_GETRANGE_STAT_RECV:
 792                 progress_dialog_set_label
 793                         (dialog, _("Getting the number of new messages (STAT)..."));
 794                 break;
 795         case POP3_GETRANGE_LAST_SEND:
 796         case POP3_GETRANGE_LAST_RECV:
 797                 progress_dialog_set_label
 798                         (dialog, _("Getting the number of new messages (LAST)..."));
 799                 break;
 800         case POP3_GETRANGE_UIDL_SEND:
 801         case POP3_GETRANGE_UIDL_RECV:
 802                 progress_dialog_set_label
 803                         (dialog, _("Getting the number of new messages (UIDL)..."));
 804                 break;
 805         case POP3_GETSIZE_LIST_SEND:
 806         case POP3_GETSIZE_LIST_RECV:
 807                 progress_dialog_set_label
 808                         (dialog, _("Getting the size of messages (LIST)..."));
 809                 break;
 810         case POP3_RETR_SEND:
 811         case POP3_RETR_RECV:
 812                 Xstrdup_a(total_size, to_human_readable(state->total_bytes), return);
 813                 g_snprintf(buf, sizeof(buf),
 814                            _("Retrieving message (%d / %d) (%s / %s)"),
 815                            state->cur_msg, state->count,
 816                            to_human_readable(state->cur_total_bytes),
 817                            total_size);
 818                 progress_dialog_set_label(dialog, buf);
 819                 progress_dialog_set_percentage
 820                         (dialog,
 821                          (gfloat)(state->cur_total_bytes) /
 822                          (gfloat)(state->total_bytes));
 823                 gtk_progress_bar_update
 824                         (GTK_PROGRESS_BAR(inc_dialog->mainwin->progressbar),
 825                          (gfloat)(state->cur_total_bytes) /
 826                          (gfloat)(state->total_bytes));
 827                 break;
 828         case POP3_DELETE_SEND:
 829         case POP3_DELETE_RECV:
 830                 progress_dialog_set_label(dialog, _("Deleting message"));
 831                 break;
 832         case POP3_LOGOUT_SEND:
 833         case POP3_LOGOUT_RECV:
 834                 progress_dialog_set_label(dialog, _("Quitting"));
 835                 break;
 836         default:
 837                 break;
 838         }
 839 }
 840
 841 gint inc_drop_message(const gchar *file, Pop3State *state)
 842 {
 843         FolderItem *inbox;
 844         FolderItem *dropfolder;
 845         gint val;
 846         gint msgnum;
 847
 848         /* CLAWS: get default inbox (perhaps per account) */
 849         if (state->ac_prefs->inbox) {
 850                 /* CLAWS: get destination folder / mailbox */
 851                 inbox = folder_find_item_from_identifier(state->ac_prefs->inbox);
 852                 if (!inbox)
 853                         inbox = folder_get_default_inbox();
 854         } else
 855                 inbox = folder_get_default_inbox();
 856         if (!inbox) {
 857                 unlink(file);
 858                 return -1;
 859         }
 860
 861         /* CLAWS: claws uses a global .processing folder for the filtering. */
 862         if (global_processing == NULL) {
 863                 if (state->ac_prefs->filter_on_recv) {
 864                         dropfolder =
 865                                 filter_get_dest_folder(prefs_common.fltlist, file);
 866                         if (!dropfolder) dropfolder = inbox;
 867                         else if (!strcmp(dropfolder->path, FILTER_NOT_RECEIVE)) {
 868                                 g_warning(_("a message won't be received\n"));
 869                                 return 1;
 870                         }
 871                 } else
 872                         dropfolder = inbox;
 873         } else {
 874                 dropfolder = folder_get_default_processing();
 875         }
 876
 877         val = GPOINTER_TO_INT(g_hash_table_lookup
 878                               (state->folder_table, dropfolder));
 879         if (val == 0) {
 880                 folder_item_scan(dropfolder);
 881                 g_hash_table_insert(state->folder_table, dropfolder,
 882                                     GINT_TO_POINTER(1));
 883         }
 884
 885         /* add msg file to drop folder */
 886         if ((msgnum = folder_item_add_msg(dropfolder, file, TRUE)) < 0) {
 887                 unlink(file);
 888                 return -1;
 889         }
 890
 891         /* CLAWS: perform filtering actions on dropped message */
 892         if (global_processing != NULL) {
 893                 if (state->ac_prefs->filter_on_recv)
 894                         filter_message(global_processing, inbox, msgnum,
 895                                        state->folder_table);
 896         }
 897
 898         return 0;
 899 }
 900
 901 static void inc_put_error(IncState istate)
 902 {
 903         switch (istate) {
 904         case INC_ERROR:
 905                 if(!prefs_common.noerrorpanel) {
 906                         alertpanel_error(_("Error occurred while processing mail."));
 907                 }
 908                 break;
 909         case INC_NOSPACE:
 910                 alertpanel_error(_("No disk space left."));
 911                 break;
 912         default:
 913                 break;
 914         }
 915 }
 916
 917 static void inc_cancel(GtkWidget *widget, gpointer data)
 918 {
 919         IncProgressDialog *dialog = data;
 920         IncSession *session = dialog->queue_list->data;
 921         SockInfo *sockinfo = session->pop3_state->sockinfo;
 922
 923         if (!sockinfo || session->atm->terminated == TRUE) return;
 924
 925         session->pop3_state->inc_state = INC_CANCEL;
 926         pop3_automaton_terminate(sockinfo, session->atm);
 927         session->pop3_state->sockinfo = NULL;
 928 }
 929
 930 static gint inc_spool(void)
 931 {
 932         gchar *mbox, *logname;
 933         gint msgs;
 934
 935         logname = g_get_user_name();
 936         mbox = g_strconcat(prefs_common.spool_path
 937                            ? prefs_common.spool_path : DEFAULT_SPOOL_PATH,
 938                            G_DIR_SEPARATOR_S, logname, NULL);
 939         msgs = get_spool(folder_get_default_inbox(), mbox);
 940         g_free(mbox);
 941
 942         return msgs;
 943 }
 944
 945 static void inc_spool_account(PrefsAccount *account)
 946 {
 947         FolderItem *inbox;
 948         FolderItem *dropfolder;
 949         gint val;
 950
 951         if (account->inbox) {
 952                 inbox = folder_find_item_from_path(account->inbox);
 953                 if (!inbox)
 954                         inbox = folder_get_default_inbox();
 955         } else
 956                 inbox = folder_get_default_inbox();
 957
 958         get_spool(inbox, account->local_mbox);
 959 }
 960
 961 static void inc_all_spool(void)
 962 {
 963         GList *list = NULL;
 964
 965         list = account_get_list();
 966         if (!list) return;
 967
 968         for (; list != NULL; list = list->next) {
 969                 IncSession *session;
 970                 PrefsAccount *account = list->data;
 971
 972                 if (account->protocol == A_LOCAL)
 973                         inc_spool_account(account);
 974         }
 975 }
 976
 977 static gint get_spool(FolderItem *dest, const gchar *mbox)
 978 {
 979         gint msgs, size;
 980         gint lockfd;
 981         gchar tmp_mbox[MAXPATHLEN + 1];
 982         GHashTable *folder_table = NULL;
 983
 984         g_return_val_if_fail(dest != NULL, -1);
 985         g_return_val_if_fail(mbox != NULL, -1);
 986
 987         if (!is_file_exist(mbox) || (size = get_file_size(mbox)) == 0) {
 988                 debug_print(_("no messages in local mailbox.\n"));
 989                 return 0;
 990         } else if (size < 0)
 991                 return -1;
 992
 993         if ((lockfd = lock_mbox(mbox, LOCK_FLOCK)) < 0)
 994                 return -1;
 995
 996         g_snprintf(tmp_mbox, sizeof(tmp_mbox), "%s%ctmpmbox%d",
 997                    get_rc_dir(), G_DIR_SEPARATOR, (gint)mbox);
 998
 999         if (copy_mbox(mbox, tmp_mbox) < 0)
1000                 return -1;
1001
1002         debug_print(_("Getting new messages from %s into %s...\n"),
1003                     mbox, dest->path);
1004
1005         if (prefs_common.filter_on_inc)
1006                 folder_table = g_hash_table_new(NULL, NULL);
1007         msgs = proc_mbox(dest, tmp_mbox, folder_table);
1008
1009         unlink(tmp_mbox);
1010         if (msgs >= 0) empty_mbox(mbox);
1011         unlock_mbox(mbox, lockfd, LOCK_FLOCK);
1012
1013         if (folder_table) {
1014                 if (!prefs_common.scan_all_after_inc) {
1015                 g_hash_table_insert(folder_table, dest,
1016                                     GINT_TO_POINTER(1));
1017                         folder_item_scan_foreach(folder_table);
1018                         folderview_update_item_foreach(folder_table);
1019                 }
1020                 g_hash_table_destroy(folder_table);
1021         } else if (!prefs_common.scan_all_after_inc) {
1022                 folder_item_scan(dest);
1023                 folderview_update_item(dest, FALSE);
1024         }
1025
1026         return msgs;
1027 }
1028
1029 void inc_lock(void)
1030 {
1031         inc_lock_count++;
1032 }
1033
1034 void inc_unlock(void)
1035 {
1036         if (inc_lock_count > 0)
1037                 inc_lock_count--;
1038 }
1039
1040 static guint autocheck_timer = 0;
1041 static gpointer autocheck_data = NULL;
1042
1043 void inc_autocheck_timer_init(MainWindow *mainwin)
1044 {
1045         autocheck_data = mainwin;
1046         inc_autocheck_timer_set();
1047 }
1048
1049 static void inc_autocheck_timer_set_interval(guint interval)
1050 {
1051         inc_autocheck_timer_remove();
1052
1053         if (prefs_common.autochk_newmail && autocheck_data) {
1054                 autocheck_timer = gtk_timeout_add
1055                         (interval, inc_autocheck_func, autocheck_data);
1056                 debug_print("added timer = %d\n", autocheck_timer);
1057         }
1058 }
1059
1060 void inc_autocheck_timer_set(void)
1061 {
1062         inc_autocheck_timer_set_interval(prefs_common.autochk_itv * 60000);
1063 }
1064
1065 void inc_autocheck_timer_remove(void)
1066 {
1067         if (autocheck_timer) {
1068                 debug_print("removed timer = %d\n", autocheck_timer);
1069                 gtk_timeout_remove(autocheck_timer);
1070                 autocheck_timer = 0;
1071         }
1072 }
1073
1074 static gint inc_autocheck_func(gpointer data)
1075 {
1076         MainWindow *mainwin = (MainWindow *)data;
1077
1078         if (inc_lock_count) {
1079                 debug_print("autocheck is locked.\n");
1080                 inc_autocheck_timer_set_interval(1000);
1081                 return FALSE;
1082         }
1083
1084         inc_all_account_mail(mainwin);
1085
1086         return FALSE;
1087 }