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 #include "selective_download.h"
  68
  69 static guint inc_lock_count = 0;
  70
  71 static GdkPixmap *currentxpm;
  72 static GdkBitmap *currentxpmmask;
  73 static GdkPixmap *errorxpm;
  74 static GdkBitmap *errorxpmmask;
  75 static GdkPixmap *okxpm;
  76 static GdkBitmap *okxpmmask;
  77
  78 #define MSGBUFSIZE      8192
  79
  80 static void inc_finished                (MainWindow             *mainwin,
  81                                          gboolean                new_messages);
  82 static gint inc_account_mail            (PrefsAccount           *account,
  83                                          MainWindow             *mainwin);
  84
  85 static IncProgressDialog *inc_progress_dialog_create    (void);
  86 static void inc_progress_dialog_destroy (IncProgressDialog      *inc_dialog);
  87
  88 static IncSession *inc_session_new      (PrefsAccount           *account);
  89 static void inc_session_destroy         (IncSession             *session);
  90 static Pop3State *inc_pop3_state_new    (PrefsAccount           *account);
  91 static void inc_pop3_state_destroy      (Pop3State              *state);
  92 static gint inc_start                   (IncProgressDialog      *inc_dialog);
  93 static IncState inc_pop3_session_do     (IncSession             *session);
  94 static gint pop3_automaton_terminate    (SockInfo               *source,
  95                                          Automaton              *atm);
  96
  97 static GHashTable *inc_get_uidl_table   (PrefsAccount           *ac_prefs);
  98 static void inc_write_uidl_list         (Pop3State              *state);
  99
 100 static gboolean inc_pop3_recv_func      (SockInfo       *sock,
 101                                          gint            count,
 102                                          gint            read_bytes,
 103                                          gpointer        data);
 104
 105 static void inc_put_error               (IncState        istate);
 106
 107 static void inc_cancel                  (GtkWidget      *widget,
 108                                          gpointer        data);
 109
 110 static gint inc_spool                   (void);
 111 static gint get_spool                   (FolderItem     *dest,
 112                                          const gchar    *mbox);
 113
 114 static void inc_all_spool(void);
 115 static void inc_autocheck_timer_set_interval    (guint           interval);
 116 static gint inc_autocheck_func                  (gpointer        data);
 117
 118 static void inc_notify_cmd              (gint new_msgs,
 119                                          gboolean notify);
 120
 121 #define FOLDER_SUMMARY_MISMATCH(f, s) \
 122         (f) && (s) ? ((s)->newmsgs != (f)->new) || ((f)->unread != (s)->unread) || ((f)->total != (s)->messages) \
 123         : FALSE
 124
 125 /**
 126  * inc_finished:
 127  * @mainwin: Main window.
 128  * @new_messages: TRUE if some messages have been received.
 129  *
 130  * Update the folder view and the summary view after receiving
 131  * messages.  If @new_messages is FALSE, this function avoids unneeded
 132  * updating.
 133  **/
 134 static void inc_finished(MainWindow *mainwin, gboolean new_messages)
 135 {
 136         FolderItem *item;
 137
 138         if (prefs_common.scan_all_after_inc)
 139                 folderview_check_new(NULL);
 140
 141         if (!new_messages && !prefs_common.scan_all_after_inc) return;
 142
 143         if (prefs_common.open_inbox_on_inc) {
 144                 item = cur_account && cur_account->inbox
 145                         ? folder_find_item_from_path(cur_account->inbox)
 146                         : folder_get_default_inbox();
 147                 if (FOLDER_SUMMARY_MISMATCH(item, mainwin->summaryview)) {
 148                         folderview_unselect(mainwin->folderview);
 149                         folderview_select(mainwin->folderview, item);
 150                 }
 151         } else {
 152                 item = mainwin->summaryview->folder_item;
 153                 if (FOLDER_SUMMARY_MISMATCH(item, mainwin->summaryview)) {
 154                         folderview_unselect(mainwin->folderview);
 155                         folderview_select(mainwin->folderview, item);
 156                 }
 157         }
 158 }
 159
 160 void inc_mail(MainWindow *mainwin, gboolean notify)
 161 {
 162         gint new_msgs = 0;
 163
 164         if (inc_lock_count) return;
 165
 166         inc_autocheck_timer_remove();
 167         summary_write_cache(mainwin->summaryview);
 168         main_window_lock(mainwin);
 169
 170         if (prefs_common.use_extinc && prefs_common.extinc_cmd) {
 171                 /* external incorporating program */
 172                 if (execute_command_line(prefs_common.extinc_cmd, FALSE) < 0) {
 173                         main_window_unlock(mainwin);
 174                         inc_autocheck_timer_set();
 175                         return;
 176                 }
 177
 178                 if (prefs_common.inc_local)
 179                         new_msgs = inc_spool();
 180         } else {
 181                 if (prefs_common.inc_local)
 182                         new_msgs = inc_spool();
 183
 184                 new_msgs += inc_account_mail(cur_account, mainwin);
 185         }
 186
 187         inc_finished(mainwin, new_msgs > 0);
 188         main_window_unlock(mainwin);
 189         inc_notify_cmd(new_msgs, notify);
 190         inc_autocheck_timer_set();
 191 }
 192
 193 gint inc_selective_download(MainWindow *mainwin, gint session_type)
 194 {
 195         PrefsAccount *account = cur_account;
 196         gint new_msgs = 0;
 197
 198         account->session_type = session_type;
 199         new_msgs = inc_account_mail(account, mainwin);
 200         account->session_type = RETR_NORMAL;
 201
 202         return new_msgs;
 203 }
 204
 205 static gint inc_account_mail(PrefsAccount *account, MainWindow *mainwin)
 206 {
 207         IncProgressDialog *inc_dialog;
 208         IncSession *session;
 209         gchar *text[3];
 210
 211         if (account->protocol == A_IMAP4 || account->protocol == A_NNTP) {
 212                 folderview_check_new(FOLDER(account->folder));
 213                 return 1;
 214         }
 215
 216         session = inc_session_new(account);
 217         if (!session) return 0;
 218
 219         inc_dialog = inc_progress_dialog_create();
 220         inc_dialog->queue_list = g_list_append(inc_dialog->queue_list, session);
 221         inc_dialog->mainwin = mainwin;
 222         session->data = inc_dialog;
 223
 224         text[0] = NULL;
 225         text[1] = account->account_name;
 226         text[2] = _("Standby");
 227         gtk_clist_append(GTK_CLIST(inc_dialog->dialog->clist), text);
 228
 229         return inc_start(inc_dialog);
 230 }
 231
 232 void inc_all_account_mail(MainWindow *mainwin, gboolean notify)
 233 {
 234         GList *list, *queue_list = NULL;
 235         IncProgressDialog *inc_dialog;
 236         gint new_msgs = 0;
 237
 238         if (inc_lock_count) return;
 239
 240         inc_autocheck_timer_remove();
 241         summary_write_cache(mainwin->summaryview);
 242         main_window_lock(mainwin);
 243
 244         if (prefs_common.inc_local)
 245                 new_msgs = inc_spool();
 246
 247         list = account_get_list();
 248         if (!list) {
 249                 inc_finished(mainwin, new_msgs > 0);
 250                 main_window_unlock(mainwin);
 251                 inc_notify_cmd(new_msgs, notify);
 252                 inc_autocheck_timer_set();
 253                 return;
 254         }
 255
 256         /* check IMAP4 folders */
 257         for (; list != NULL; list = list->next) {
 258                 PrefsAccount *account = list->data;
 259                 if ((account->protocol == A_IMAP4 ||
 260                      account->protocol == A_NNTP) && account->recv_at_getall)
 261                         folderview_check_new(FOLDER(account->folder));
 262         }
 263
 264         /* check POP3 accounts */
 265         for (list = account_get_list(); list != NULL; list = list->next) {
 266                 IncSession *session;
 267                 PrefsAccount *account = list->data;
 268                 account->session_type = RETR_NORMAL;
 269                 if (account->recv_at_getall) {
 270                         session = inc_session_new(account);
 271                         if (session)
 272                                 queue_list = g_list_append(queue_list, session);
 273                 }
 274         }
 275
 276         if (!queue_list) {
 277                 inc_finished(mainwin, new_msgs > 0);
 278                 main_window_unlock(mainwin);
 279                 inc_notify_cmd(new_msgs, notify);
 280                 inc_autocheck_timer_set();
 281                 return;
 282         }
 283
 284         inc_dialog = inc_progress_dialog_create();
 285         inc_dialog->queue_list = queue_list;
 286         inc_dialog->mainwin = mainwin;
 287         for (list = queue_list; list != NULL; list = list->next) {
 288                 IncSession *session = list->data;
 289                 gchar *text[3];
 290
 291                 session->data = inc_dialog;
 292
 293                 text[0] = NULL;
 294                 text[1] = session->pop3_state->ac_prefs->account_name;
 295                 text[2] = _("Standby");
 296                 gtk_clist_append(GTK_CLIST(inc_dialog->dialog->clist), text);
 297         }
 298
 299         new_msgs += inc_start(inc_dialog);
 300
 301         inc_finished(mainwin, new_msgs > 0);
 302         main_window_unlock(mainwin);
 303         inc_notify_cmd(new_msgs, notify);
 304         inc_autocheck_timer_set();
 305 }
 306
 307 static IncProgressDialog *inc_progress_dialog_create(void)
 308 {
 309         IncProgressDialog *dialog;
 310         ProgressDialog *progress;
 311
 312         dialog = g_new0(IncProgressDialog, 1);
 313
 314         progress = progress_dialog_create();
 315         gtk_window_set_title(GTK_WINDOW(progress->window),
 316                              _("Retrieving new messages"));
 317         gtk_signal_connect(GTK_OBJECT(progress->cancel_btn), "clicked",
 318                            GTK_SIGNAL_FUNC(inc_cancel), dialog);
 319         gtk_signal_connect(GTK_OBJECT(progress->window), "delete_event",
 320                            GTK_SIGNAL_FUNC(gtk_true), NULL);
 321         /* manage_window_set_transient(GTK_WINDOW(progress->window)); */
 322
 323         progress_dialog_set_value(progress, 0.0);
 324
 325         stock_pixmap_gdk(progress->clist, STOCK_PIXMAP_COMPLETE,
 326                          &okxpm, &okxpmmask);
 327         stock_pixmap_gdk(progress->clist, STOCK_PIXMAP_CONTINUE,
 328                          &currentxpm, &currentxpmmask);
 329         stock_pixmap_gdk(progress->clist, STOCK_PIXMAP_ERROR,
 330                          &errorxpm, &errorxpmmask);
 331
 332         if (prefs_common.recv_dialog_mode == RECV_DIALOG_ALWAYS ||
 333             (prefs_common.recv_dialog_mode == RECV_DIALOG_ACTIVE &&
 334              manage_window_get_focus_window())) {
 335                 dialog->show_dialog = TRUE;
 336                 gtk_widget_show_now(progress->window);
 337         }
 338
 339         dialog->dialog = progress;
 340         dialog->queue_list = NULL;
 341
 342         return dialog;
 343 }
 344
 345 static void inc_progress_dialog_clear(IncProgressDialog *inc_dialog)
 346 {
 347         progress_dialog_set_value(inc_dialog->dialog, 0.0);
 348         progress_dialog_set_label(inc_dialog->dialog, "");
 349         gtk_progress_bar_update
 350                 (GTK_PROGRESS_BAR(inc_dialog->mainwin->progressbar), 0.0);
 351 }
 352
 353 static void inc_progress_dialog_destroy(IncProgressDialog *inc_dialog)
 354 {
 355         g_return_if_fail(inc_dialog != NULL);
 356
 357         gtk_progress_bar_update
 358                 (GTK_PROGRESS_BAR(inc_dialog->mainwin->progressbar), 0.0);
 359         progress_dialog_destroy(inc_dialog->dialog);
 360
 361         g_free(inc_dialog);
 362 }
 363
 364 static IncSession *inc_session_new(PrefsAccount *account)
 365 {
 366         IncSession *session;
 367
 368         g_return_val_if_fail(account != NULL, NULL);
 369
 370         if (account->protocol != A_POP3 && account->protocol != A_APOP)
 371                 return NULL;
 372         if (!account->recv_server || !account->userid)
 373                 return NULL;
 374
 375         session = g_new0(IncSession, 1);
 376         session->pop3_state = inc_pop3_state_new(account);
 377         session->pop3_state->session = session;
 378
 379         return session;
 380 }
 381
 382 static void inc_session_destroy(IncSession *session)
 383 {
 384         g_return_if_fail(session != NULL);
 385
 386         inc_pop3_state_destroy(session->pop3_state);
 387         g_free(session);
 388 }
 389
 390 static Pop3State *inc_pop3_state_new(PrefsAccount *account)
 391 {
 392         Pop3State *state;
 393
 394         state = g_new0(Pop3State, 1);
 395
 396         state->ac_prefs = account;
 397         state->folder_table = g_hash_table_new(NULL, NULL);
 398         state->uidl_table = inc_get_uidl_table(account);
 399         state->inc_state = INC_SUCCESS;
 400
 401         return state;
 402 }
 403
 404 static void inc_pop3_state_destroy(Pop3State *state)
 405 {
 406         gint n;
 407
 408         g_hash_table_destroy(state->folder_table);
 409
 410         for (n = 1; n <= state->count; n++)
 411                 g_free(state->msg[n].uidl);
 412         g_free(state->msg);
 413
 414         if (state->uidl_table) {
 415                 hash_free_strings(state->uidl_table);
 416                 g_hash_table_destroy(state->uidl_table);
 417         }
 418
 419         g_free(state->greeting);
 420         g_free(state->user);
 421         g_free(state->pass);
 422         g_free(state->prev_folder);
 423
 424         g_free(state);
 425 }
 426
 427 static gint inc_start(IncProgressDialog *inc_dialog)
 428 {
 429         IncSession *session;
 430         GtkCList *clist = GTK_CLIST(inc_dialog->dialog->clist);
 431         Pop3State *pop3_state;
 432         IncState inc_state;
 433         gint num = 0;
 434         gint error_num = 0;
 435         gint new_msgs = 0;
 436
 437         while (inc_dialog->queue_list != NULL) {
 438                 session = inc_dialog->queue_list->data;
 439                 pop3_state = session->pop3_state;
 440
 441                 inc_progress_dialog_clear(inc_dialog);
 442
 443                 gtk_clist_moveto(clist, num, -1, 1.0, 0.0);
 444
 445                 pop3_state->user = g_strdup(pop3_state->ac_prefs->userid);
 446                 if (pop3_state->ac_prefs->passwd)
 447                         pop3_state->pass =
 448                                 g_strdup(pop3_state->ac_prefs->passwd);
 449                 else if (pop3_state->ac_prefs->tmp_pass)
 450                         pop3_state->pass =
 451                                 g_strdup(pop3_state->ac_prefs->tmp_pass);
 452                 else {
 453                         gchar *pass;
 454
 455                         pass = input_dialog_query_password
 456                                 (pop3_state->ac_prefs->recv_server,
 457                                  pop3_state->user);
 458
 459                         if (inc_dialog->show_dialog)
 460                                 manage_window_focus_in
 461                                         (inc_dialog->mainwin->window,
 462                                          NULL, NULL);
 463                         if (pass) {
 464                                 pop3_state->ac_prefs->tmp_pass = g_strdup(pass);
 465                                 pop3_state->pass = pass;
 466                         } else {
 467                                 inc_session_destroy(session);
 468                                 inc_dialog->queue_list = g_list_remove
 469                                         (inc_dialog->queue_list, session);
 470                                 continue;
 471                         }
 472                 }
 473
 474                 gtk_clist_set_pixmap(clist, num, 0, currentxpm, currentxpmmask);
 475                 gtk_clist_set_text(clist, num, 2, _("Retrieving"));
 476
 477                 /* begin POP3 session */
 478                 inc_state = inc_pop3_session_do(session);
 479
 480                 if (inc_state == INC_SUCCESS) {
 481                         gtk_clist_set_pixmap(clist, num, 0, okxpm, okxpmmask);
 482                         gtk_clist_set_text(clist, num, 2, _("Done"));
 483                 } else if (inc_state == INC_CANCEL) {
 484                         gtk_clist_set_pixmap(clist, num, 0, okxpm, okxpmmask);
 485                         gtk_clist_set_text(clist, num, 2, _("Cancelled"));
 486                 } else {
 487                         gtk_clist_set_pixmap(clist, num, 0, errorxpm, errorxpmmask);
 488                         if (inc_state == INC_CONNECT_ERROR)
 489                                 gtk_clist_set_text(clist, num, 2,
 490                                                    _("Connection failed"));
 491                         else if (inc_state == INC_AUTH_FAILED)
 492                                 gtk_clist_set_text(clist, num, 2,
 493                                                    _("Auth failed"));
 494                         else
 495                                 gtk_clist_set_text(clist, num, 2, _("Error"));
 496                 }
 497
 498                 if (pop3_state->error_val == PS_AUTHFAIL) {
 499                         if(!prefs_common.noerrorpanel) {
 500                                 if((prefs_common.recv_dialog_mode == RECV_DIALOG_ALWAYS) ||
 501                                     ((prefs_common.recv_dialog_mode == RECV_DIALOG_ACTIVE) && focus_window)) {
 502                                         manage_window_focus_in(inc_dialog->dialog->window, NULL, NULL);
 503                                 }
 504                                 alertpanel_error
 505                                         (_("Authorization for %s on %s failed"),
 506                                          pop3_state->user,
 507                                          pop3_state->ac_prefs->recv_server);
 508                         }
 509                 }
 510
 511                 statusbar_pop_all();
 512
 513                 /* CLAWS: perform filtering actions on dropped message */
 514                 if (global_processing != NULL) {
 515                         FolderItem *processing, *inbox;
 516                         Folder *folder;
 517                         MsgInfo *msginfo;
 518                         GSList *msglist, *msglist_element;
 519
 520                         /* CLAWS: get default inbox (perhaps per account) */
 521                         if (pop3_state->ac_prefs->inbox) {
 522                                 /* CLAWS: get destination folder / mailbox */
 523                                 inbox = folder_find_item_from_identifier(pop3_state->ac_prefs->inbox);
 524                                 if (!inbox)
 525                                         inbox = folder_get_default_inbox();
 526                         } else
 527                                 inbox = folder_get_default_inbox();
 528
 529                         /* get list of messages in processing */
 530                         processing = folder_get_default_processing();
 531                         folder_item_scan(processing);
 532                         folder = processing->folder;
 533                         msglist = folder->get_msg_list(folder, processing, FALSE);
 534
 535                         /* process messages */
 536                         for(msglist_element = msglist; msglist_element != NULL; msglist_element = msglist_element->next) {
 537                                 msginfo = (MsgInfo *) msglist_element->data;
 538                                 /* filter if enabled in prefs or move to inbox if not */
 539                                 if(pop3_state->ac_prefs->filter_on_recv) {
 540                                         filter_message_by_msginfo_with_inbox(global_processing, msginfo,
 541                                                                              pop3_state->folder_table,
 542                                                                              inbox);
 543                                 } else {
 544                                         folder_item_move_msg(inbox, msginfo);
 545                                         g_hash_table_insert(pop3_state->folder_table, inbox,
 546                                                             GINT_TO_POINTER(1));
 547                                 }
 548                                 procmsg_msginfo_free(msginfo);
 549                         }
 550                         g_slist_free(msglist);
 551                 }
 552
 553
 554                 new_msgs += pop3_state->cur_total_num;
 555
 556                 if (!prefs_common.scan_all_after_inc) {
 557                         folder_item_scan_foreach(pop3_state->folder_table);
 558                         folderview_update_item_foreach
 559                                 (pop3_state->folder_table);
 560                 }
 561
 562                 if (pop3_state->error_val == PS_AUTHFAIL &&
 563                     pop3_state->ac_prefs->tmp_pass) {
 564                         g_free(pop3_state->ac_prefs->tmp_pass);
 565                         pop3_state->ac_prefs->tmp_pass = NULL;
 566                 }
 567
 568                 inc_write_uidl_list(pop3_state);
 569
 570                 if (inc_state != INC_SUCCESS && inc_state != INC_CANCEL) {
 571                         error_num++;
 572                         if (inc_state == INC_NOSPACE) {
 573                                 inc_put_error(inc_state);
 574                                 break;
 575                         }
 576                 }
 577
 578                 inc_session_destroy(session);
 579                 inc_dialog->queue_list =
 580                         g_list_remove(inc_dialog->queue_list, session);
 581
 582                 num++;
 583         }
 584
 585         if (error_num && !prefs_common.noerrorpanel) {
 586                 if (inc_dialog->show_dialog)
 587                         manage_window_focus_in(inc_dialog->dialog->window,
 588                                                NULL, NULL);
 589                 alertpanel_error(_("Some errors occured while getting mail."));
 590                 if (inc_dialog->show_dialog)
 591                         manage_window_focus_out(inc_dialog->dialog->window,
 592                                                 NULL, NULL);
 593         }
 594
 595         while (inc_dialog->queue_list != NULL) {
 596                 session = inc_dialog->queue_list->data;
 597                 inc_session_destroy(session);
 598                 inc_dialog->queue_list =
 599                         g_list_remove(inc_dialog->queue_list, session);
 600         }
 601
 602         inc_progress_dialog_destroy(inc_dialog);
 603
 604         return new_msgs;
 605 }
 606
 607 static IncState inc_pop3_session_do(IncSession *session)
 608 {
 609         Pop3State *pop3_state = session->pop3_state;
 610         IncProgressDialog *inc_dialog = (IncProgressDialog *)session->data;
 611         Automaton *atm;
 612         SockInfo *sockinfo;
 613         gint i;
 614         gchar *server;
 615         gushort port;
 616         gchar *buf;
 617         static AtmHandler handlers[] = {
 618                 pop3_greeting_recv      ,
 619                 pop3_getauth_user_send  , pop3_getauth_user_recv,
 620                 pop3_getauth_pass_send  , pop3_getauth_pass_recv,
 621                 pop3_getauth_apop_send  , pop3_getauth_apop_recv,
 622                 pop3_getrange_stat_send , pop3_getrange_stat_recv,
 623                 pop3_getrange_last_send , pop3_getrange_last_recv,
 624                 pop3_getrange_uidl_send , pop3_getrange_uidl_recv,
 625                 pop3_getsize_list_send  , pop3_getsize_list_recv,
 626                 pop3_top_send           , pop3_top_recv,
 627                 pop3_retr_send          , pop3_retr_recv,
 628                 pop3_delete_send        , pop3_delete_recv,
 629                 pop3_logout_send        , pop3_logout_recv
 630         };
 631
 632         debug_print(_("getting new messages of account %s...\n"),
 633                     pop3_state->ac_prefs->account_name);
 634
 635         atm = automaton_create(N_POP3_PHASE);
 636
 637         session->atm = atm;
 638         atm->data = pop3_state;
 639
 640         buf = g_strdup_printf(_("%s: Retrieving new messages"),
 641                               pop3_state->ac_prefs->recv_server);
 642         gtk_window_set_title(GTK_WINDOW(inc_dialog->dialog->window), buf);
 643         g_free(buf);
 644
 645         for (i = POP3_GREETING_RECV; i < N_POP3_PHASE; i++)
 646                 atm->state[i].handler = handlers[i];
 647         atm->state[POP3_GREETING_RECV].condition = GDK_INPUT_READ;
 648         for (i = POP3_GETAUTH_USER_SEND; i < N_POP3_PHASE; ) {
 649                 atm->state[i++].condition = GDK_INPUT_WRITE;
 650                 atm->state[i++].condition = GDK_INPUT_READ;
 651         }
 652
 653         atm->terminate = (AtmHandler)pop3_automaton_terminate;
 654
 655         atm->num = POP3_GREETING_RECV;
 656
 657         server = pop3_state->ac_prefs->recv_server;
 658 #if USE_SSL
 659         port = pop3_state->ac_prefs->set_popport ?
 660                 pop3_state->ac_prefs->popport :
 661                 pop3_state->ac_prefs->ssl_pop ? 995 : 110;
 662 #else
 663         port = pop3_state->ac_prefs->set_popport ?
 664                 pop3_state->ac_prefs->popport : 110;
 665 #endif
 666
 667         buf = g_strdup_printf(_("Connecting to POP3 server: %s ..."), server);
 668         log_message("%s\n", buf);
 669         progress_dialog_set_label(inc_dialog->dialog, buf);
 670         g_free(buf);
 671         GTK_EVENTS_FLUSH();
 672         statusbar_pop_all();
 673
 674         if ((sockinfo = sock_connect(server, port)) == NULL) {
 675                 log_warning(_("Can't connect to POP3 server: %s:%d\n"),
 676                             server, port);
 677                 if(!prefs_common.noerrorpanel) {
 678                         if((prefs_common.recv_dialog_mode == RECV_DIALOG_ALWAYS) ||
 679                             ((prefs_common.recv_dialog_mode == RECV_DIALOG_ACTIVE) && focus_window)) {
 680                                 manage_window_focus_in(inc_dialog->dialog->window, NULL, NULL);
 681                         }
 682                         alertpanel_error(_("Can't connect to POP3 server: %s:%d"),
 683                                          server, port);
 684                         manage_window_focus_out(inc_dialog->dialog->window, NULL, NULL);
 685                 }
 686                 pop3_automaton_terminate(NULL, atm);
 687                 automaton_destroy(atm);
 688                 return INC_CONNECT_ERROR;
 689         }
 690
 691 #if USE_SSL
 692         if (pop3_state->ac_prefs->ssl_pop && !ssl_init_socket(sockinfo)) {
 693                 pop3_automaton_terminate(NULL, atm);
 694                 automaton_destroy(atm);
 695                 return INC_CONNECT_ERROR;
 696         }
 697 #endif
 698
 699         /* :WK: Hmmm, with the later sock_gdk_input, we have 2 references
 700          * to the sock structure - implement a reference counter?? */
 701         pop3_state->sockinfo = sockinfo;
 702         atm->help_sock = sockinfo;
 703
 704         log_verbosity_set(TRUE);
 705         recv_set_ui_func(inc_pop3_recv_func, session);
 706
 707         atm->tag = sock_gdk_input_add(sockinfo,
 708                                       atm->state[atm->num].condition,
 709                                       automaton_input_cb, atm);
 710
 711         while (!atm->terminated)
 712                 gtk_main_iteration();
 713
 714         log_verbosity_set(FALSE);
 715         recv_set_ui_func(NULL, NULL);
 716
 717         automaton_destroy(atm);
 718
 719         return pop3_state->inc_state;
 720 }
 721
 722 static gint pop3_automaton_terminate(SockInfo *source, Automaton *atm)
 723 {
 724         if (atm->terminated) return 0;
 725
 726         if (atm->tag > 0) {
 727                 gdk_input_remove(atm->tag);
 728                 atm->tag = 0;
 729         }
 730         if (atm->timeout_tag > 0) {
 731                 gtk_timeout_remove(atm->timeout_tag);
 732                 atm->timeout_tag = 0;
 733         }
 734         if (source)
 735                 sock_close(source);
 736
 737         atm->terminated = TRUE;
 738
 739         return 0;
 740 }
 741
 742 static GHashTable *inc_get_uidl_table(PrefsAccount *ac_prefs)
 743 {
 744         GHashTable *table;
 745         gchar *path;
 746         FILE *fp;
 747         gchar buf[IDLEN + 3];
 748
 749         path = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S,
 750                            "uidl-", ac_prefs->recv_server,
 751                            "-", ac_prefs->userid, NULL);
 752         if ((fp = fopen(path, "r")) == NULL) {
 753                 if (ENOENT != errno) FILE_OP_ERROR(path, "fopen");
 754                 g_free(path);
 755                 return NULL;
 756         }
 757         g_free(path);
 758
 759         table = g_hash_table_new(g_str_hash, g_str_equal);
 760
 761         while (fgets(buf, sizeof(buf), fp) != NULL) {
 762                 strretchomp(buf);
 763                 g_hash_table_insert(table, g_strdup(buf), GINT_TO_POINTER(1));
 764         }
 765
 766         fclose(fp);
 767
 768         return table;
 769 }
 770
 771 static void inc_write_uidl_list(Pop3State *state)
 772 {
 773         gchar *path;
 774         FILE *fp;
 775         gint n;
 776
 777         if (!state->uidl_is_valid) return;
 778
 779         path = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S,
 780                            "uidl-", state->ac_prefs->recv_server,
 781                            "-", state->user, NULL);
 782         if ((fp = fopen(path, "w")) == NULL) {
 783                 FILE_OP_ERROR(path, "fopen");
 784                 g_free(path);
 785                 return;
 786         }
 787
 788         for (n = 1; n <= state->count; n++) {
 789                 if (state->msg[n].uidl && state->msg[n].received &&
 790                     !state->msg[n].deleted) {
 791                         if (fputs(state->msg[n].uidl, fp) == EOF) {
 792                                 FILE_OP_ERROR(path, "fputs");
 793                                 break;
 794                         }
 795                         if (fputc('\n', fp) == EOF) {
 796                                 FILE_OP_ERROR(path, "fputc");
 797                                 break;
 798                         }
 799                 }
 800         }
 801
 802         if (fclose(fp) == EOF) FILE_OP_ERROR(path, "fclose");
 803         g_free(path);
 804 }
 805
 806 static gboolean inc_pop3_recv_func(SockInfo *sock, gint count, gint read_bytes,
 807                                    gpointer data)
 808 {
 809         gchar buf[MSGBUFSIZE];
 810         IncSession *session = (IncSession *)data;
 811         Pop3State *state = session->pop3_state;
 812         IncProgressDialog *inc_dialog = session->data;
 813         ProgressDialog *dialog = inc_dialog->dialog;
 814         gint cur_total;
 815         gchar *total_size;
 816
 817         cur_total = state->cur_total_bytes + read_bytes;
 818         if (cur_total > state->total_bytes)
 819                 cur_total = state->total_bytes;
 820
 821         Xstrdup_a(total_size, to_human_readable(state->total_bytes),
 822                   return FALSE);
 823         g_snprintf(buf, sizeof(buf),
 824                    _("Retrieving message (%d / %d) (%s / %s)"),
 825                    state->cur_msg, state->count,
 826                    to_human_readable(cur_total), total_size);
 827         progress_dialog_set_label(dialog, buf);
 828
 829         progress_dialog_set_percentage
 830                 (dialog, (gfloat)cur_total / (gfloat)state->total_bytes);
 831         gtk_progress_bar_update
 832                 (GTK_PROGRESS_BAR(inc_dialog->mainwin->progressbar),
 833                  (gfloat)cur_total / (gfloat)state->total_bytes);
 834         GTK_EVENTS_FLUSH();
 835
 836         if (state->inc_state == INC_CANCEL)
 837                 return FALSE;
 838         else
 839                 return TRUE;
 840 }
 841
 842 void inc_progress_update(Pop3State *state, Pop3Phase phase)
 843 {
 844         gchar buf[MSGBUFSIZE];
 845         IncProgressDialog *inc_dialog = state->session->data;
 846         ProgressDialog *dialog = inc_dialog->dialog;
 847         gchar *total_size;
 848
 849         switch (phase) {
 850         case POP3_GREETING_RECV:
 851                 break;
 852         case POP3_GETAUTH_USER_SEND:
 853         case POP3_GETAUTH_USER_RECV:
 854         case POP3_GETAUTH_PASS_SEND:
 855         case POP3_GETAUTH_PASS_RECV:
 856         case POP3_GETAUTH_APOP_SEND:
 857         case POP3_GETAUTH_APOP_RECV:
 858                 progress_dialog_set_label(dialog, _("Authenticating..."));
 859                 break;
 860         case POP3_GETRANGE_STAT_SEND:
 861         case POP3_GETRANGE_STAT_RECV:
 862                 progress_dialog_set_label
 863                         (dialog, _("Getting the number of new messages (STAT)..."));
 864                 break;
 865         case POP3_GETRANGE_LAST_SEND:
 866         case POP3_GETRANGE_LAST_RECV:
 867                 progress_dialog_set_label
 868                         (dialog, _("Getting the number of new messages (LAST)..."));
 869                 break;
 870         case POP3_GETRANGE_UIDL_SEND:
 871         case POP3_GETRANGE_UIDL_RECV:
 872                 progress_dialog_set_label
 873                         (dialog, _("Getting the number of new messages (UIDL)..."));
 874                 break;
 875         case POP3_GETSIZE_LIST_SEND:
 876         case POP3_GETSIZE_LIST_RECV:
 877                 progress_dialog_set_label
 878                         (dialog, _("Getting the size of messages (LIST)..."));
 879                 break;
 880         case POP3_TOP_SEND:
 881         case POP3_TOP_RECV:
 882                 g_snprintf(buf, sizeof(buf),
 883                            _("Retrieving header (%d / %d)"),
 884                            state->cur_msg, state->count);
 885                 progress_dialog_set_label (dialog, buf);
 886                 progress_dialog_set_percentage
 887                         (dialog,
 888                          (gfloat)(state->cur_msg) /
 889                          (gfloat)(state->count));
 890                 gtk_progress_bar_update
 891                         (GTK_PROGRESS_BAR(inc_dialog->mainwin->progressbar),
 892                          (gfloat)(state->cur_msg) /
 893                          (gfloat)(state->count));
 894                 break;
 895         case POP3_RETR_SEND:
 896         case POP3_RETR_RECV:
 897                 Xstrdup_a(total_size, to_human_readable(state->total_bytes), return);
 898                 g_snprintf(buf, sizeof(buf),
 899                            _("Retrieving message (%d / %d) (%s / %s)"),
 900                            state->cur_msg, state->count,
 901                            to_human_readable(state->cur_total_bytes),
 902                            total_size);
 903                 progress_dialog_set_label(dialog, buf);
 904                 progress_dialog_set_percentage
 905                         (dialog,
 906                          (gfloat)(state->cur_total_bytes) /
 907                          (gfloat)(state->total_bytes));
 908                 gtk_progress_bar_update
 909                         (GTK_PROGRESS_BAR(inc_dialog->mainwin->progressbar),
 910                          (gfloat)(state->cur_total_bytes) /
 911                          (gfloat)(state->total_bytes));
 912                 break;
 913         case POP3_DELETE_SEND:
 914         case POP3_DELETE_RECV:
 915                 progress_dialog_set_label(dialog, _("Deleting message"));
 916                 break;
 917         case POP3_LOGOUT_SEND:
 918         case POP3_LOGOUT_RECV:
 919                 progress_dialog_set_label(dialog, _("Quitting"));
 920                 break;
 921         default:
 922                 break;
 923         }
 924 }
 925
 926 gint inc_drop_message(const gchar *file, Pop3State *state)
 927 {
 928         FolderItem *inbox;
 929         FolderItem *dropfolder;
 930         gint val;
 931         gint msgnum;
 932
 933         /* CLAWS: get default inbox (perhaps per account) */
 934         if (state->ac_prefs->inbox) {
 935                 /* CLAWS: get destination folder / mailbox */
 936                 inbox = folder_find_item_from_identifier(state->ac_prefs->inbox);
 937                 if (!inbox)
 938                         inbox = folder_get_default_inbox();
 939         } else
 940                 inbox = folder_get_default_inbox();
 941         if (!inbox) {
 942                 unlink(file);
 943                 return -1;
 944         }
 945
 946         /* CLAWS: claws uses a global .processing folder for the filtering. */
 947         if (global_processing == NULL) {
 948                 if (state->ac_prefs->filter_on_recv) {
 949                         dropfolder =
 950                                 filter_get_dest_folder(prefs_common.fltlist, file);
 951                         if (!dropfolder) dropfolder = inbox;
 952                         else if (!strcmp(dropfolder->path, FILTER_NOT_RECEIVE)) {
 953                                 g_warning(_("a message won't be received\n"));
 954                                 return 1;
 955                         }
 956                 } else
 957                         dropfolder = inbox;
 958         } else {
 959                 dropfolder = folder_get_default_processing();
 960         }
 961
 962         val = GPOINTER_TO_INT(g_hash_table_lookup
 963                               (state->folder_table, dropfolder));
 964         if (val == 0) {
 965                 folder_item_scan(dropfolder);
 966                 g_hash_table_insert(state->folder_table, dropfolder,
 967                                     GINT_TO_POINTER(1));
 968         }
 969
 970         /* add msg file to drop folder */
 971         if ((msgnum = folder_item_add_msg(dropfolder, file, TRUE)) < 0) {
 972                 unlink(file);
 973                 return -1;
 974         }
 975
 976         return 0;
 977 }
 978
 979 static void inc_put_error(IncState istate)
 980 {
 981         switch (istate) {
 982         case INC_ERROR:
 983                 if(!prefs_common.noerrorpanel) {
 984                         alertpanel_error(_("Error occurred while processing mail."));
 985                 }
 986                 break;
 987         case INC_NOSPACE:
 988                 alertpanel_error(_("No disk space left."));
 989                 break;
 990         default:
 991                 break;
 992         }
 993 }
 994
 995 static void inc_cancel(GtkWidget *widget, gpointer data)
 996 {
 997         IncProgressDialog *dialog = data;
 998         IncSession *session = dialog->queue_list->data;
 999         SockInfo *sockinfo = session->pop3_state->sockinfo;
1000
1001         if (!sockinfo || session->atm->terminated == TRUE) return;
1002
1003         session->pop3_state->inc_state = INC_CANCEL;
1004         pop3_automaton_terminate(sockinfo, session->atm);
1005         session->pop3_state->sockinfo = NULL;
1006 }
1007
1008 static gint inc_spool(void)
1009 {
1010         gchar *mbox, *logname;
1011         gint msgs;
1012
1013         logname = g_get_user_name();
1014         mbox = g_strconcat(prefs_common.spool_path
1015                            ? prefs_common.spool_path : DEFAULT_SPOOL_PATH,
1016                            G_DIR_SEPARATOR_S, logname, NULL);
1017         msgs = get_spool(folder_get_default_inbox(), mbox);
1018         g_free(mbox);
1019
1020         return msgs;
1021 }
1022
1023 static void inc_spool_account(PrefsAccount *account)
1024 {
1025         FolderItem *inbox;
1026         FolderItem *dropfolder;
1027         gint val;
1028
1029         if (account->inbox) {
1030                 inbox = folder_find_item_from_path(account->inbox);
1031                 if (!inbox)
1032                         inbox = folder_get_default_inbox();
1033         } else
1034                 inbox = folder_get_default_inbox();
1035
1036         get_spool(inbox, account->local_mbox);
1037 }
1038
1039 static void inc_all_spool(void)
1040 {
1041         GList *list = NULL;
1042
1043         list = account_get_list();
1044         if (!list) return;
1045
1046         for (; list != NULL; list = list->next) {
1047                 IncSession *session;
1048                 PrefsAccount *account = list->data;
1049
1050                 if (account->protocol == A_LOCAL)
1051                         inc_spool_account(account);
1052         }
1053 }
1054
1055 static gint get_spool(FolderItem *dest, const gchar *mbox)
1056 {
1057         gint msgs, size;
1058         gint lockfd;
1059         gchar tmp_mbox[MAXPATHLEN + 1];
1060         GHashTable *folder_table = NULL;
1061
1062         g_return_val_if_fail(dest != NULL, -1);
1063         g_return_val_if_fail(mbox != NULL, -1);
1064
1065         if (!is_file_exist(mbox) || (size = get_file_size(mbox)) == 0) {
1066                 debug_print(_("no messages in local mailbox.\n"));
1067                 return 0;
1068         } else if (size < 0)
1069                 return -1;
1070
1071         if ((lockfd = lock_mbox(mbox, LOCK_FLOCK)) < 0)
1072                 return -1;
1073
1074         g_snprintf(tmp_mbox, sizeof(tmp_mbox), "%s%ctmpmbox%d",
1075                    get_rc_dir(), G_DIR_SEPARATOR, (gint)mbox);
1076
1077         if (copy_mbox(mbox, tmp_mbox) < 0) {
1078                 unlock_mbox(mbox, lockfd, LOCK_FLOCK);
1079                 return -1;
1080         }
1081
1082         debug_print(_("Getting new messages from %s into %s...\n"),
1083                     mbox, dest->path);
1084
1085         if (prefs_common.filter_on_inc)
1086                 folder_table = g_hash_table_new(NULL, NULL);
1087         msgs = proc_mbox(dest, tmp_mbox, folder_table);
1088
1089         unlink(tmp_mbox);
1090         if (msgs >= 0) empty_mbox(mbox);
1091         unlock_mbox(mbox, lockfd, LOCK_FLOCK);
1092
1093         if (folder_table) {
1094                 if (!prefs_common.scan_all_after_inc) {
1095                 g_hash_table_insert(folder_table, dest,
1096                                     GINT_TO_POINTER(1));
1097                         folder_item_scan_foreach(folder_table);
1098                         folderview_update_item_foreach(folder_table);
1099                 }
1100                 g_hash_table_destroy(folder_table);
1101         } else if (!prefs_common.scan_all_after_inc) {
1102                 folder_item_scan(dest);
1103                 folderview_update_item(dest, FALSE);
1104         }
1105
1106         return msgs;
1107 }
1108
1109 void inc_lock(void)
1110 {
1111         inc_lock_count++;
1112 }
1113
1114 void inc_unlock(void)
1115 {
1116         if (inc_lock_count > 0)
1117                 inc_lock_count--;
1118 }
1119
1120 static guint autocheck_timer = 0;
1121 static gpointer autocheck_data = NULL;
1122
1123 static void inc_notify_cmd(gint new_msgs, gboolean notify)
1124 {
1125
1126         gchar *buf;
1127
1128         if (!(new_msgs && notify && prefs_common.newmail_notify_cmd &&
1129             *prefs_common.newmail_notify_cmd))
1130                      return;
1131         if ((buf = strchr(prefs_common.newmail_notify_cmd, '%')) &&
1132                 buf[1] == 'd' && !strchr(&buf[1], '%'))
1133                 buf = g_strdup_printf(prefs_common.newmail_notify_cmd,
1134                                       new_msgs);
1135         else
1136                 buf = g_strdup(prefs_common.newmail_notify_cmd);
1137
1138         system(buf);
1139
1140         g_free(buf);
1141 }
1142
1143 void inc_autocheck_timer_init(MainWindow *mainwin)
1144 {
1145         autocheck_data = mainwin;
1146         inc_autocheck_timer_set();
1147 }
1148
1149 static void inc_autocheck_timer_set_interval(guint interval)
1150 {
1151         inc_autocheck_timer_remove();
1152
1153         if (prefs_common.autochk_newmail && autocheck_data) {
1154                 autocheck_timer = gtk_timeout_add
1155                         (interval, inc_autocheck_func, autocheck_data);
1156                 debug_print("added timer = %d\n", autocheck_timer);
1157         }
1158 }
1159
1160 void inc_autocheck_timer_set(void)
1161 {
1162         inc_autocheck_timer_set_interval(prefs_common.autochk_itv * 60000);
1163 }
1164
1165 void inc_autocheck_timer_remove(void)
1166 {
1167         if (autocheck_timer) {
1168                 debug_print("removed timer = %d\n", autocheck_timer);
1169                 gtk_timeout_remove(autocheck_timer);
1170                 autocheck_timer = 0;
1171         }
1172 }
1173
1174 static gint inc_autocheck_func(gpointer data)
1175 {
1176         MainWindow *mainwin = (MainWindow *)data;
1177
1178         if (inc_lock_count) {
1179                 debug_print("autocheck is locked.\n");
1180                 inc_autocheck_timer_set_interval(1000);
1181                 return FALSE;
1182         }
1183
1184         inc_all_account_mail(mainwin, prefs_common.newmail_notify_auto);
1185
1186         return FALSE;
1187 }