src/news.c

   1 /*
   2  * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
   3  * Copyright (C) 1999-2012 Hiroyuki Yamamoto and the Claws Mail team
   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 3 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, see <http://www.gnu.org/licenses/>.
  17  *
  18  */
  19
  20 #ifdef HAVE_CONFIG_H
  21 #  include "config.h"
  22 #include "claws-features.h"
  23 #endif
  24
  25 #ifdef HAVE_LIBETPAN
  26
  27 #include "defs.h"
  28
  29 #include <glib.h>
  30 #include <glib/gi18n.h>
  31 #include <stdio.h>
  32 #include <string.h>
  33 #include <stdlib.h>
  34 #include <dirent.h>
  35 #include <unistd.h>
  36 #include <time.h>
  37 #include <libetpan/libetpan.h>
  38
  39 #include "nntp-thread.h"
  40 #include "news.h"
  41 #include "news_gtk.h"
  42 #include "socket.h"
  43 #include "recv.h"
  44 #include "procmsg.h"
  45 #include "procheader.h"
  46 #include "folder.h"
  47 #include "session.h"
  48 #include "statusbar.h"
  49 #include "codeconv.h"
  50 #include "utils.h"
  51 #include "prefs_common.h"
  52 #include "prefs_account.h"
  53 #include "inputdialog.h"
  54 #include "log.h"
  55 #include "progressindicator.h"
  56 #include "remotefolder.h"
  57 #include "alertpanel.h"
  58 #include "inc.h"
  59 #ifdef USE_GNUTLS
  60 #  include "ssl.h"
  61 #endif
  62
  63 #define NNTP_PORT       119
  64 #ifdef USE_GNUTLS
  65 #define NNTPS_PORT      563
  66 #endif
  67
  68 typedef struct _NewsFolder      NewsFolder;
  69 typedef struct _NewsSession     NewsSession;
  70
  71 #define NEWS_FOLDER(obj)        ((NewsFolder *)obj)
  72 #define NEWS_SESSION(obj)       ((NewsSession *)obj)
  73
  74 struct _NewsFolder
  75 {
  76         RemoteFolder rfolder;
  77
  78         gboolean use_auth;
  79         gboolean lock_count;
  80         guint refcnt;
  81 };
  82
  83 struct _NewsSession
  84 {
  85         Session session;
  86         Folder *folder;
  87         gchar *group;
  88 };
  89
  90 static void news_folder_init(Folder *folder, const gchar *name,
  91                              const gchar *path);
  92
  93 static Folder   *news_folder_new        (const gchar    *name,
  94                                          const gchar    *folder);
  95 static void      news_folder_destroy    (Folder         *folder);
  96
  97 static gchar *news_fetch_msg            (Folder         *folder,
  98                                          FolderItem     *item,
  99                                          gint            num);
 100 static void news_remove_cached_msg      (Folder         *folder,
 101                                          FolderItem     *item,
 102                                          MsgInfo        *msginfo);
 103 #ifdef USE_GNUTLS
 104 static Session *news_session_new         (Folder        *folder,
 105                                           const gchar   *server,
 106                                           gushort        port,
 107                                           const gchar   *userid,
 108                                           const gchar   *passwd,
 109                                           SSLType        ssl_type);
 110 #else
 111 static Session *news_session_new         (Folder        *folder,
 112                                           const gchar   *server,
 113                                           gushort        port,
 114                                           const gchar   *userid,
 115                                           const gchar   *passwd);
 116 #endif
 117
 118 static gint news_get_article             (Folder        *folder,
 119                                           gint           num,
 120                                           gchar         *filename);
 121
 122 static gint news_select_group            (Folder        *folder,
 123                                           const gchar   *group,
 124                                           gint          *num,
 125                                           gint          *first,
 126                                           gint          *last);
 127 static MsgInfo *news_parse_xover         (struct newsnntp_xover_resp_item *item);
 128 static gint news_get_num_list                    (Folder        *folder,
 129                                           FolderItem    *item,
 130                                           GSList       **list,
 131                                           gboolean      *old_uids_valid);
 132 static MsgInfo *news_get_msginfo                 (Folder        *folder,
 133                                           FolderItem    *item,
 134                                           gint           num);
 135 static GSList *news_get_msginfos                 (Folder        *folder,
 136                                           FolderItem    *item,
 137                                           GSList        *msgnum_list);
 138 static gboolean news_scan_required               (Folder        *folder,
 139                                           FolderItem    *item);
 140
 141 static gchar *news_folder_get_path       (Folder        *folder);
 142 static gchar *news_item_get_path                 (Folder        *folder,
 143                                           FolderItem    *item);
 144 static void news_synchronise             (FolderItem    *item, gint days);
 145 static int news_remove_msg               (Folder        *folder,
 146                                           FolderItem    *item,
 147                                           gint           msgnum);
 148 static gint news_rename_folder           (Folder *folder,
 149                                           FolderItem *item,
 150                                           const gchar *name);
 151 static gint news_remove_folder           (Folder        *folder,
 152                                           FolderItem    *item);
 153 static FolderClass news_class;
 154
 155 FolderClass *news_get_class(void)
 156 {
 157         if (news_class.idstr == NULL) {
 158                 news_class.type = F_NEWS;
 159                 news_class.idstr = "news";
 160                 news_class.uistr = "News";
 161                 news_class.supports_server_search = FALSE;
 162
 163                 /* Folder functions */
 164                 news_class.new_folder = news_folder_new;
 165                 news_class.destroy_folder = news_folder_destroy;
 166
 167                 /* FolderItem functions */
 168                 news_class.item_get_path = news_item_get_path;
 169                 news_class.get_num_list = news_get_num_list;
 170                 news_class.scan_required = news_scan_required;
 171                 news_class.rename_folder = news_rename_folder;
 172                 news_class.remove_folder = news_remove_folder;
 173
 174                 /* Message functions */
 175                 news_class.get_msginfo = news_get_msginfo;
 176                 news_class.get_msginfos = news_get_msginfos;
 177                 news_class.fetch_msg = news_fetch_msg;
 178                 news_class.synchronise = news_synchronise;
 179                 news_class.search_msgs = folder_item_search_msgs_local;
 180                 news_class.remove_msg = news_remove_msg;
 181                 news_class.remove_cached_msg = news_remove_cached_msg;
 182         };
 183
 184         return &news_class;
 185 }
 186
 187 guint nntp_folder_get_refcnt(Folder *folder)
 188 {
 189         return ((NewsFolder *)folder)->refcnt;
 190 }
 191
 192 void nntp_folder_ref(Folder *folder)
 193 {
 194         ((NewsFolder *)folder)->refcnt++;
 195 }
 196
 197 void nntp_folder_unref(Folder *folder)
 198 {
 199         if (((NewsFolder *)folder)->refcnt > 0)
 200                 ((NewsFolder *)folder)->refcnt--;
 201 }
 202
 203 static int news_remove_msg               (Folder        *folder,
 204                                           FolderItem    *item,
 205                                           gint           msgnum)
 206 {
 207         gchar *path, *filename;
 208
 209         cm_return_val_if_fail(folder != NULL, -1);
 210         cm_return_val_if_fail(item != NULL, -1);
 211
 212         path = folder_item_get_path(item);
 213         if (!is_dir_exist(path))
 214                 make_dir_hier(path);
 215
 216         filename = g_strconcat(path, G_DIR_SEPARATOR_S, itos(msgnum), NULL);
 217         g_free(path);
 218         claws_unlink(filename);
 219         g_free(filename);
 220         return 0;
 221 }
 222
 223 static void news_folder_lock(NewsFolder *folder)
 224 {
 225         folder->lock_count++;
 226 }
 227
 228 static void news_folder_unlock(NewsFolder *folder)
 229 {
 230         if (folder->lock_count > 0)
 231                 folder->lock_count--;
 232 }
 233
 234 int news_folder_locked(Folder *folder)
 235 {
 236         if (folder == NULL)
 237                 return 0;
 238
 239         return NEWS_FOLDER(folder)->lock_count;
 240 }
 241
 242 static Folder *news_folder_new(const gchar *name, const gchar *path)
 243 {
 244         Folder *folder;
 245
 246         folder = (Folder *)g_new0(NewsFolder, 1);
 247         folder->klass = &news_class;
 248         news_folder_init(folder, name, path);
 249
 250         return folder;
 251 }
 252
 253 static void news_folder_destroy(Folder *folder)
 254 {
 255         gchar *dir;
 256
 257         while (nntp_folder_get_refcnt(folder) > 0)
 258                 gtk_main_iteration();
 259
 260         dir = news_folder_get_path(folder);
 261         if (is_dir_exist(dir))
 262                 remove_dir_recursive(dir);
 263         g_free(dir);
 264
 265         nntp_done(folder);
 266         folder_remote_folder_destroy(REMOTE_FOLDER(folder));
 267 }
 268
 269 static void news_folder_init(Folder *folder, const gchar *name,
 270                              const gchar *path)
 271 {
 272         folder_remote_folder_init(folder, name, path);
 273 }
 274
 275 static void news_session_destroy(Session *session)
 276 {
 277         NewsSession *news_session = NEWS_SESSION(session);
 278
 279         cm_return_if_fail(session != NULL);
 280
 281         if (news_session->group)
 282                 g_free(news_session->group);
 283 }
 284
 285 static gboolean nntp_ping(gpointer data)
 286 {
 287         Session *session = (Session *)data;
 288         NewsSession *news_session = NEWS_SESSION(session);
 289         int r;
 290         struct tm lt;
 291
 292         if (session->state != SESSION_READY || news_folder_locked(news_session->folder))
 293                 return FALSE;
 294
 295         if ((r = nntp_threaded_date(news_session->folder, &lt)) != NEWSNNTP_NO_ERROR) {
 296                 if (r != NEWSNNTP_ERROR_COMMAND_NOT_SUPPORTED &&
 297                     r != NEWSNNTP_ERROR_COMMAND_NOT_UNDERSTOOD) {
 298                         log_warning(LOG_PROTOCOL, _("NNTP connection to %s:%d has been"
 299                               " disconnected.\n"),
 300                             news_session->folder->account->nntp_server,
 301                             news_session->folder->account->set_nntpport ?
 302                             news_session->folder->account->nntpport : NNTP_PORT);
 303                         REMOTE_FOLDER(news_session->folder)->session = NULL;
 304                         session_destroy(session);
 305                         return FALSE;
 306                 }
 307         }
 308         session_set_access_time(session);
 309         return TRUE;
 310 }
 311
 312
 313 #ifdef USE_GNUTLS
 314 static Session *news_session_new(Folder *folder, const gchar *server, gushort port,
 315                                  const gchar *userid, const gchar *passwd,
 316                                  SSLType ssl_type)
 317 #else
 318 static Session *news_session_new(Folder *folder, const gchar *server, gushort port,
 319                                  const gchar *userid, const gchar *passwd)
 320 #endif
 321 {
 322         NewsSession *session;
 323         int r = 0;
 324         cm_return_val_if_fail(server != NULL, NULL);
 325
 326         log_message(LOG_PROTOCOL, _("Account '%s': Connecting to NNTP server: %s:%d...\n"),
 327                                     folder->account->account_name, server, port);
 328
 329         session = g_new0(NewsSession, 1);
 330         session_init(SESSION(session), folder->account, FALSE);
 331         SESSION(session)->type             = SESSION_NEWS;
 332         SESSION(session)->server           = g_strdup(server);
 333         SESSION(session)->port             = port;
 334         SESSION(session)->sock             = NULL;
 335         SESSION(session)->destroy          = news_session_destroy;
 336
 337         nntp_init(folder);
 338
 339 #ifdef USE_GNUTLS
 340         if (ssl_type != SSL_NONE)
 341                 r = nntp_threaded_connect_ssl(folder, server, port);
 342         else
 343 #endif
 344                 r = nntp_threaded_connect(folder, server, port);
 345
 346         if (r != NEWSNNTP_NO_ERROR) {
 347                 log_error(LOG_PROTOCOL, _("Error logging in to %s:%d ...\n"), server, port);
 348                 session_destroy(SESSION(session));
 349                 return NULL;
 350         }
 351
 352         session->folder = folder;
 353
 354         session_register_ping(SESSION(session), nntp_ping);
 355         return SESSION(session);
 356 }
 357
 358 static Session *news_session_new_for_folder(Folder *folder)
 359 {
 360         Session *session;
 361         PrefsAccount *ac;
 362         const gchar *userid = NULL;
 363         gchar *passwd = NULL;
 364         gushort port;
 365         int r;
 366
 367         cm_return_val_if_fail(folder != NULL, NULL);
 368         cm_return_val_if_fail(folder->account != NULL, NULL);
 369
 370         ac = folder->account;
 371         if (ac->use_nntp_auth && ac->userid && ac->userid[0]) {
 372                 userid = ac->userid;
 373                 if (ac->passwd && ac->passwd[0])
 374                         passwd = g_strdup(ac->passwd);
 375                 else
 376                         passwd = input_dialog_query_password_keep(ac->nntp_server,
 377                                                                   userid,
 378                                                                   &(ac->session_passwd));
 379         }
 380
 381 #ifdef USE_GNUTLS
 382         port = ac->set_nntpport ? ac->nntpport
 383                 : ac->ssl_nntp ? NNTPS_PORT : NNTP_PORT;
 384         session = news_session_new(folder, ac->nntp_server, port, userid, passwd,
 385                                    ac->ssl_nntp);
 386 #else
 387         if (ac->ssl_nntp != SSL_NONE) {
 388                 if (alertpanel_full(_("Insecure connection"),
 389                         _("This connection is configured to be secured "
 390                           "using SSL, but SSL is not available in this "
 391                           "build of Claws Mail. \n\n"
 392                           "Do you want to continue connecting to this "
 393                           "server? The communication would not be "
 394                           "secure."),
 395                           GTK_STOCK_CANCEL, _("Con_tinue connecting"),
 396                           NULL, FALSE, NULL, ALERT_WARNING,
 397                           G_ALERTDEFAULT) != G_ALERTALTERNATE)
 398                         return NULL;
 399         }
 400         port = ac->set_nntpport ? ac->nntpport : NNTP_PORT;
 401         session = news_session_new(folder, ac->nntp_server, port, userid, passwd);
 402 #endif
 403
 404         if (session != NULL)
 405                 r = nntp_threaded_mode_reader(folder);
 406         else
 407                 r = NEWSNNTP_ERROR_CONNECTION_REFUSED;
 408
 409         if (r != NEWSNNTP_NO_ERROR) {
 410             if (r == NEWSNNTP_WARNING_REQUEST_AUTHORIZATION_USERNAME) {
 411                 /*
 412                    FIX ME when libetpan implements 480 to indicate authorization
 413                    is required to use this capability. Libetpan treats a 480 as a
 414                    381 which is clearly wrong.
 415                    RFC 4643 section 2.
 416                    Response code 480
 417                    Generic response
 418                    Meaning: command unavailable until the client
 419                    has authenticated itself.
 420                 */
 421                 /* if the server does not advertise the capability MODE-READER,
 422                    we normally should not send MODE READER. However this can't
 423                    hurt: a transit-only server returns 502 and closes the cnx.
 424                    Ref.: http://tools.ietf.org/html/rfc3977#section-5.3
 425                 */
 426                 log_error(LOG_PROTOCOL, _("Libetpan does not support return code 480 "
 427                 "so for now we choose to continue\n"));
 428             }
 429             else if (r == NEWSNNTP_ERROR_UNEXPECTED_RESPONSE) {
 430                 /* if the server does not advertise the capability MODE-READER,
 431                    we normally should not send MODE READER. However this can't
 432                    hurt: a transit-only server returns 502 and closes the cnx.
 433                    Ref.: http://tools.ietf.org/html/rfc3977#section-5.3
 434                 */
 435                 log_error(LOG_PROTOCOL, _("Mode reader failed, continuing nevertheless\n"));
 436             }
 437             else {
 438                 /* An error state bail out */
 439                 log_error(LOG_PROTOCOL, _("Error creating session with %s:%d\n"), ac->nntp_server, port);
 440                 session_destroy(SESSION(session));
 441                 g_free(passwd);
 442                 if (ac->session_passwd) {
 443                         g_free(ac->session_passwd);
 444                         ac->session_passwd = NULL;
 445                 }
 446                 return NULL;
 447             }
 448         }
 449
 450         if ((session != NULL) && ac->use_nntp_auth) { /* FIXME:  && ac->use_nntp_auth_onconnect */
 451                 if (nntp_threaded_login(folder, userid, passwd) !=
 452                         NEWSNNTP_NO_ERROR) {
 453                         log_error(LOG_PROTOCOL, _("Error authenticating to %s:%d ...\n"), ac->nntp_server, port);
 454                         session_destroy(SESSION(session));
 455                         g_free(passwd);
 456                         if (ac->session_passwd) {
 457                                 g_free(ac->session_passwd);
 458                                 ac->session_passwd = NULL;
 459                         }
 460                         return NULL;
 461                 }
 462         }
 463         g_free(passwd);
 464
 465         return session;
 466 }
 467
 468 static NewsSession *news_session_get(Folder *folder)
 469 {
 470         RemoteFolder *rfolder = REMOTE_FOLDER(folder);
 471
 472         cm_return_val_if_fail(folder != NULL, NULL);
 473         cm_return_val_if_fail(FOLDER_CLASS(folder) == &news_class, NULL);
 474         cm_return_val_if_fail(folder->account != NULL, NULL);
 475
 476         if (prefs_common.work_offline &&
 477             !inc_offline_should_override(FALSE,
 478                 _("Claws Mail needs network access in order "
 479                   "to access the News server."))) {
 480                 return NULL;
 481         }
 482
 483         if (!rfolder->session) {
 484                 rfolder->session = news_session_new_for_folder(folder);
 485                 return NEWS_SESSION(rfolder->session);
 486         }
 487
 488         /* Handle port change (also ssl/nossl change) without needing to
 489          * restart application. */
 490         if (rfolder->session->port != folder->account->nntpport) {
 491                 session_destroy(rfolder->session);
 492                 rfolder->session = news_session_new_for_folder(folder);
 493                 goto newsession;
 494         }
 495
 496         if (time(NULL) - rfolder->session->last_access_time <
 497                 SESSION_TIMEOUT_INTERVAL) {
 498                 return NEWS_SESSION(rfolder->session);
 499         }
 500
 501         if (!nntp_ping(rfolder->session))
 502                 rfolder->session = news_session_new_for_folder(folder);
 503
 504 newsession:
 505         if (rfolder->session)
 506                 session_set_access_time(rfolder->session);
 507
 508         return NEWS_SESSION(rfolder->session);
 509 }
 510
 511 static void news_remove_cached_msg(Folder *folder, FolderItem *item, MsgInfo *msginfo)
 512 {
 513         gchar *path, *filename;
 514
 515         path = folder_item_get_path(item);
 516
 517         if (!is_dir_exist(path)) {
 518                 g_free(path);
 519                 return;
 520         }
 521
 522         filename = g_strconcat(path, G_DIR_SEPARATOR_S, itos(msginfo->msgnum), NULL);
 523         g_free(path);
 524
 525         if (is_file_exist(filename)) {
 526                 claws_unlink(filename);
 527         }
 528         g_free(filename);
 529 }
 530
 531 static gchar *news_fetch_msg(Folder *folder, FolderItem *item, gint num)
 532 {
 533         gchar *path, *filename;
 534         NewsSession *session;
 535         gint ok;
 536
 537         cm_return_val_if_fail(folder != NULL, NULL);
 538         cm_return_val_if_fail(item != NULL, NULL);
 539
 540         path = folder_item_get_path(item);
 541         if (!is_dir_exist(path))
 542                 make_dir_hier(path);
 543         filename = g_strconcat(path, G_DIR_SEPARATOR_S, itos(num), NULL);
 544         g_free(path);
 545
 546         if (is_file_exist(filename)) {
 547                 debug_print("article %d has been already cached.\n", num);
 548                 return filename;
 549         }
 550
 551         session = news_session_get(folder);
 552         if (!session) {
 553                 g_free(filename);
 554                 return NULL;
 555         }
 556
 557         ok = news_select_group(folder, item->path, NULL, NULL, NULL);
 558         if (ok != NEWSNNTP_NO_ERROR) {
 559                 if (ok == NEWSNNTP_ERROR_STREAM) {
 560                         session_destroy(SESSION(session));
 561                         REMOTE_FOLDER(folder)->session = NULL;
 562                 }
 563                 g_free(filename);
 564                 return NULL;
 565         }
 566
 567         debug_print("getting article %d...\n", num);
 568         ok = news_get_article(folder,
 569                               num, filename);
 570         if (ok != NEWSNNTP_NO_ERROR) {
 571                 g_warning("can't read article %d\n", num);
 572                 if (ok == NEWSNNTP_ERROR_STREAM) {
 573                         session_destroy(SESSION(session));
 574                         REMOTE_FOLDER(folder)->session = NULL;
 575                 }
 576                 g_free(filename);
 577                 return NULL;
 578         }
 579         GTK_EVENTS_FLUSH();
 580         return filename;
 581 }
 582
 583 static NewsGroupInfo *news_group_info_new(const gchar *name,
 584                                           gint first, gint last, gchar type)
 585 {
 586         NewsGroupInfo *ginfo;
 587
 588         ginfo = g_new(NewsGroupInfo, 1);
 589         ginfo->name = g_strdup(name);
 590         ginfo->first = first;
 591         ginfo->last = last;
 592         ginfo->type = type;
 593
 594         return ginfo;
 595 }
 596
 597 static void news_group_info_free(NewsGroupInfo *ginfo)
 598 {
 599         g_free(ginfo->name);
 600         g_free(ginfo);
 601 }
 602
 603 static gint news_group_info_compare(NewsGroupInfo *ginfo1,
 604                                     NewsGroupInfo *ginfo2)
 605 {
 606         return g_ascii_strcasecmp(ginfo1->name, ginfo2->name);
 607 }
 608
 609 GSList *news_get_group_list(Folder *folder)
 610 {
 611         gchar *path, *filename;
 612         FILE *fp;
 613         GSList *list = NULL;
 614         GSList *last = NULL;
 615         gchar buf[BUFFSIZE];
 616
 617         cm_return_val_if_fail(folder != NULL, NULL);
 618         cm_return_val_if_fail(FOLDER_CLASS(folder) == &news_class, NULL);
 619
 620         path = folder_item_get_path(FOLDER_ITEM(folder->node->data));
 621         if (!is_dir_exist(path))
 622                 make_dir_hier(path);
 623         filename = g_strconcat(path, G_DIR_SEPARATOR_S, NEWSGROUP_LIST, NULL);
 624         g_free(path);
 625
 626         if ((fp = g_fopen(filename, "rb")) == NULL) {
 627                 NewsSession *session;
 628                 gint ok;
 629                 clist *grouplist = NULL;
 630                 clistiter *cur;
 631                 fp = g_fopen(filename, "wb");
 632
 633                 if (!fp) {
 634                         g_free(filename);
 635                         return NULL;
 636                 }
 637                 session = news_session_get(folder);
 638                 if (!session) {
 639                         fclose(fp);
 640                         g_free(filename);
 641                         return NULL;
 642                 }
 643
 644                 ok = nntp_threaded_list(folder, &grouplist);
 645
 646                 if (ok != NEWSNNTP_NO_ERROR) {
 647                         if (ok == NEWSNNTP_ERROR_STREAM) {
 648                                 session_destroy(SESSION(session));
 649                                 REMOTE_FOLDER(folder)->session = NULL;
 650                         }
 651                         fclose(fp);
 652                         g_free(filename);
 653                         return NULL;
 654                 }
 655
 656                 if (grouplist) {
 657                         for (cur = clist_begin(grouplist); cur; cur = clist_next(cur)) {
 658                                 struct newsnntp_group_info *info = (struct newsnntp_group_info *)
 659                                                                         clist_content(cur);
 660                                 if (fprintf(fp, "%s %d %d %c\n",
 661                                         info->grp_name,
 662                                         info->grp_last,
 663                                         info->grp_first,
 664                                         info->grp_type) < 0) {
 665                                         log_error(LOG_PROTOCOL, ("Can't write newsgroup list\n"));
 666                                         session_destroy(SESSION(session));
 667                                         REMOTE_FOLDER(folder)->session = NULL;
 668                                         fclose(fp);
 669                                         g_free(filename);
 670                                         newsnntp_list_free(grouplist);
 671                                         return NULL;
 672                                 }
 673                         }
 674                         newsnntp_list_free(grouplist);
 675                 }
 676                 if (fclose(fp) == EOF) {
 677                         log_error(LOG_PROTOCOL, ("Can't write newsgroup list\n"));
 678                         session_destroy(SESSION(session));
 679                         REMOTE_FOLDER(folder)->session = NULL;
 680                         g_free(filename);
 681                         return NULL;
 682                 }
 683
 684                 if ((fp = g_fopen(filename, "rb")) == NULL) {
 685                         FILE_OP_ERROR(filename, "fopen");
 686                         g_free(filename);
 687                         return NULL;
 688                 }
 689         }
 690
 691         while (fgets(buf, sizeof(buf), fp) != NULL) {
 692                 gchar *p = buf;
 693                 gchar *name;
 694                 gint last_num;
 695                 gint first_num;
 696                 gchar type;
 697                 NewsGroupInfo *ginfo;
 698
 699                 p = strchr(p, ' ');
 700                 if (!p) continue;
 701                 *p = '\0';
 702                 p++;
 703                 name = buf;
 704
 705                 if (sscanf(p, "%d %d %c", &last_num, &first_num, &type) < 3)
 706                         continue;
 707
 708                 ginfo = news_group_info_new(name, first_num, last_num, type);
 709
 710                 if (!last)
 711                         last = list = g_slist_append(NULL, ginfo);
 712                 else {
 713                         last = g_slist_append(last, ginfo);
 714                         last = last->next;
 715                 }
 716         }
 717
 718         fclose(fp);
 719         g_free(filename);
 720
 721         list = g_slist_sort(list, (GCompareFunc)news_group_info_compare);
 722
 723         return list;
 724 }
 725
 726 void news_group_list_free(GSList *group_list)
 727 {
 728         GSList *cur;
 729
 730         if (!group_list) return;
 731
 732         for (cur = group_list; cur != NULL; cur = cur->next)
 733                 news_group_info_free((NewsGroupInfo *)cur->data);
 734         g_slist_free(group_list);
 735 }
 736
 737 void news_remove_group_list_cache(Folder *folder)
 738 {
 739         gchar *path, *filename;
 740
 741         cm_return_if_fail(folder != NULL);
 742         cm_return_if_fail(FOLDER_CLASS(folder) == &news_class);
 743
 744         path = folder_item_get_path(FOLDER_ITEM(folder->node->data));
 745         filename = g_strconcat(path, G_DIR_SEPARATOR_S, NEWSGROUP_LIST, NULL);
 746         g_free(path);
 747
 748         if (is_file_exist(filename)) {
 749                 if (remove(filename) < 0)
 750                         FILE_OP_ERROR(filename, "remove");
 751         }
 752         g_free(filename);
 753 }
 754
 755 gint news_post(Folder *folder, const gchar *file)
 756 {
 757         gint ok;
 758         char *contents = file_read_to_str_no_recode(file);
 759         NewsSession *session;
 760
 761         cm_return_val_if_fail(folder != NULL, -1);
 762         cm_return_val_if_fail(FOLDER_CLASS(folder) == &news_class, -1);
 763         cm_return_val_if_fail(contents != NULL, -1);
 764
 765         session = news_session_get(folder);
 766         if (!session)  {
 767                 g_free(contents);
 768                 return -1;
 769         }
 770
 771         ok = nntp_threaded_post(folder, contents, strlen(contents));
 772
 773         g_free(contents);
 774
 775         if (ok == NEWSNNTP_ERROR_STREAM) {
 776                 session_destroy(SESSION(session));
 777                 REMOTE_FOLDER(folder)->session = NULL;
 778         }
 779
 780         return (ok == NEWSNNTP_NO_ERROR ? 0 : -1);
 781 }
 782
 783 static gint news_get_article(Folder *folder, gint num, gchar *filename)
 784 {
 785         size_t len;
 786         char *result = NULL;
 787         int r;
 788
 789         r = nntp_threaded_article(folder, num, &result, &len);
 790
 791         if (r == NEWSNNTP_NO_ERROR) {
 792                 if (str_write_to_file(result, filename) < 0)
 793                         return -1;
 794                 g_free(result);
 795         }
 796
 797         return r;
 798 }
 799
 800 /**
 801  * news_select_group:
 802  * @session: Active NNTP session.
 803  * @group: Newsgroup name.
 804  * @num: Estimated number of articles.
 805  * @first: First article number.
 806  * @last: Last article number.
 807  *
 808  * Select newsgroup @group with the GROUP command if it is not already
 809  * selected in @session, or article numbers need to be returned.
 810  *
 811  * Return value: NNTP result code.
 812  **/
 813 static gint news_select_group(Folder *folder, const gchar *group,
 814                               gint *num, gint *first, gint *last)
 815 {
 816         gint ok;
 817         gint num_, first_, last_;
 818         struct newsnntp_group_info *info = NULL;
 819         NewsSession *session = NEWS_SESSION(news_session_get(folder));
 820
 821         cm_return_val_if_fail(session != NULL, -1);
 822
 823         if (!num || !first || !last) {
 824                 if (session->group && g_ascii_strcasecmp(session->group, group) == 0)
 825                         return NEWSNNTP_NO_ERROR;
 826                 num = &num_;
 827                 first = &first_;
 828                 last = &last_;
 829         }
 830
 831         g_free(session->group);
 832         session->group = NULL;
 833
 834         ok = nntp_threaded_group(folder, group, &info);
 835
 836         if (ok == NEWSNNTP_NO_ERROR && info) {
 837                 session->group = g_strdup(group);
 838                 *num = info->grp_first;
 839                 *first = info->grp_first;
 840                 *last = info->grp_last;
 841                 newsnntp_group_free(info);
 842         } else {
 843                 log_warning(LOG_PROTOCOL, _("couldn't select group: %s\n"), group);
 844         }
 845         return ok;
 846 }
 847
 848 static MsgInfo *news_parse_xover(struct newsnntp_xover_resp_item *item)
 849 {
 850         MsgInfo *msginfo;
 851
 852         /* set MsgInfo */
 853         msginfo = procmsg_msginfo_new();
 854         msginfo->msgnum = item->ovr_article;
 855         msginfo->size = item->ovr_size;
 856
 857         msginfo->date = g_strdup(item->ovr_date);
 858         msginfo->date_t = procheader_date_parse(NULL, item->ovr_date, 0);
 859
 860         msginfo->from = conv_unmime_header(item->ovr_author, NULL, TRUE);
 861         msginfo->fromname = procheader_get_fromname(msginfo->from);
 862
 863         msginfo->subject = conv_unmime_header(item->ovr_subject, NULL, TRUE);
 864
 865         remove_return(msginfo->from);
 866         remove_return(msginfo->fromname);
 867         remove_return(msginfo->subject);
 868
 869         if (item->ovr_message_id) {
 870                 gchar *tmp = g_strdup(item->ovr_message_id);
 871                 extract_parenthesis(tmp, '<', '>');
 872                 remove_space(tmp);
 873                 if (*tmp != '\0')
 874                         msginfo->msgid = g_strdup(tmp);
 875                 g_free(tmp);
 876         }
 877
 878         /* FIXME: this is a quick fix; references' meaning was changed
 879          * into having the actual list of references in the References: header.
 880          * We need a GSList here, so msginfo_free() and msginfo_copy() can do
 881          * their things properly. */
 882         if (item->ovr_references && *(item->ovr_references)) {
 883                 gchar **ref_tokens = g_strsplit(item->ovr_references, " ", -1);
 884                 guint i = 0;
 885                 char *tmp;
 886                 char *p;
 887                 while (ref_tokens[i]) {
 888                         gchar *cur_ref = ref_tokens[i];
 889                         msginfo->references = references_list_append(msginfo->references,
 890                                         cur_ref);
 891                         i++;
 892                 }
 893                 g_strfreev(ref_tokens);
 894
 895                 tmp = g_strdup(item->ovr_references);
 896                 eliminate_parenthesis(tmp, '(', ')');
 897                 if ((p = strrchr(tmp, '<')) != NULL) {
 898                         extract_parenthesis(p, '<', '>');
 899                         remove_space(p);
 900                         if (*p != '\0')
 901                                 msginfo->inreplyto = g_strdup(p);
 902                 }
 903                 g_free(tmp);
 904         }
 905
 906         return msginfo;
 907 }
 908
 909 gint news_cancel_article(Folder * folder, MsgInfo * msginfo)
 910 {
 911         gchar * tmp;
 912         FILE * tmpfp;
 913         gchar buf[BUFFSIZE];
 914
 915         tmp = g_strdup_printf("%s%ccancel%p", get_tmp_dir(),
 916                               G_DIR_SEPARATOR, msginfo);
 917         if (tmp == NULL)
 918                 return -1;
 919
 920         if ((tmpfp = g_fopen(tmp, "wb")) == NULL) {
 921                 FILE_OP_ERROR(tmp, "fopen");
 922                 return -1;
 923         }
 924         if (change_file_mode_rw(tmpfp, tmp) < 0) {
 925                 FILE_OP_ERROR(tmp, "chmod");
 926                 g_warning("can't change file mode\n");
 927         }
 928
 929         get_rfc822_date(buf, sizeof(buf));
 930         if (fprintf(tmpfp, "From: %s\r\n"
 931                        "Newsgroups: %s\r\n"
 932                        "Subject: cmsg cancel <%s>\r\n"
 933                        "Control: cancel <%s>\r\n"
 934                        "Approved: %s\r\n"
 935                        "X-Cancelled-by: %s\r\n"
 936                        "Date: %s\r\n"
 937                        "\r\n"
 938                        "removed with Claws Mail\r\n",
 939                        msginfo->from,
 940                        msginfo->newsgroups,
 941                        msginfo->msgid,
 942                        msginfo->msgid,
 943                        msginfo->from,
 944                        msginfo->from,
 945                        buf) < 0) {
 946                 FILE_OP_ERROR(tmp, "fprintf");
 947                 fclose(tmpfp);
 948                 claws_unlink(tmp);
 949                 g_free(tmp);
 950                 return -1;
 951         }
 952
 953         if (fclose(tmpfp) == EOF) {
 954                 FILE_OP_ERROR(tmp, "fclose");
 955                 claws_unlink(tmp);
 956                 g_free(tmp);
 957                 return -1;
 958         }
 959
 960         news_post(folder, tmp);
 961         remove(tmp);
 962
 963         g_free(tmp);
 964
 965         return 0;
 966 }
 967
 968 static gchar *news_folder_get_path(Folder *folder)
 969 {
 970         gchar *folder_path;
 971
 972         cm_return_val_if_fail(folder->account != NULL, NULL);
 973
 974         folder_path = g_strconcat(get_news_cache_dir(),
 975                                   G_DIR_SEPARATOR_S,
 976                                   folder->account->nntp_server,
 977                                   NULL);
 978         return folder_path;
 979 }
 980
 981 static gchar *news_item_get_path(Folder *folder, FolderItem *item)
 982 {
 983         gchar *folder_path, *path;
 984
 985         cm_return_val_if_fail(folder != NULL, NULL);
 986         cm_return_val_if_fail(item != NULL, NULL);
 987         folder_path = news_folder_get_path(folder);
 988
 989         cm_return_val_if_fail(folder_path != NULL, NULL);
 990         if (g_path_is_absolute(folder_path)) {
 991                 if (item->path)
 992                         path = g_strconcat(folder_path, G_DIR_SEPARATOR_S,
 993                                            item->path, NULL);
 994                 else
 995                         path = g_strdup(folder_path);
 996         } else {
 997                 if (item->path)
 998                         path = g_strconcat(get_home_dir(), G_DIR_SEPARATOR_S,
 999                                            folder_path, G_DIR_SEPARATOR_S,
1000                                            item->path, NULL);
1001                 else
1002                         path = g_strconcat(get_home_dir(), G_DIR_SEPARATOR_S,
1003                                            folder_path, NULL);
1004         }
1005         g_free(folder_path);
1006 #ifdef G_OS_WIN32
1007         while (strchr(path, '/'))
1008                 *strchr(path, '/') = '\\';
1009 #endif
1010         return path;
1011 }
1012
1013 static gint news_get_num_list(Folder *folder, FolderItem *item, GSList **msgnum_list, gboolean *old_uids_valid)
1014 {
1015         NewsSession *session;
1016         gint i, ok, num, first, last, nummsgs = 0;
1017         gchar *dir;
1018
1019         cm_return_val_if_fail(item != NULL, -1);
1020         cm_return_val_if_fail(item->folder != NULL, -1);
1021         cm_return_val_if_fail(FOLDER_CLASS(folder) == &news_class, -1);
1022
1023         session = news_session_get(folder);
1024         cm_return_val_if_fail(session != NULL, -1);
1025
1026         *old_uids_valid = TRUE;
1027
1028         news_folder_lock(NEWS_FOLDER(item->folder));
1029
1030         ok = news_select_group(folder, item->path, &num, &first, &last);
1031         if (ok != NEWSNNTP_NO_ERROR) {
1032                 log_warning(LOG_PROTOCOL, _("couldn't set group: %s\n"), item->path);
1033                 news_folder_unlock(NEWS_FOLDER(item->folder));
1034                 return -1;
1035         }
1036
1037         dir = news_folder_get_path(folder);
1038         if (num <= 0)
1039                 remove_all_numbered_files(dir);
1040         else if (last < first)
1041                 log_warning(LOG_PROTOCOL, _("invalid article range: %d - %d\n"),
1042                             first, last);
1043         else {
1044                 for (i = first; i <= last; i++) {
1045                         *msgnum_list = g_slist_prepend(*msgnum_list,
1046                                                        GINT_TO_POINTER(i));
1047                         nummsgs++;
1048                 }
1049                 debug_print("removing old messages from %d to %d in %s\n",
1050                             first, last, dir);
1051                 remove_numbered_files(dir, 1, first - 1);
1052         }
1053         g_free(dir);
1054         news_folder_unlock(NEWS_FOLDER(item->folder));
1055         return nummsgs;
1056 }
1057
1058 static void news_set_msg_flags(FolderItem *item, MsgInfo *msginfo)
1059 {
1060         msginfo->flags.tmp_flags = 0;
1061         if (item->folder->account->mark_crosspost_read && msginfo->msgid) {
1062                 if (item->folder->newsart &&
1063                     g_hash_table_lookup(item->folder->newsart, msginfo->msgid) != NULL) {
1064                         msginfo->flags.perm_flags = MSG_COLORLABEL_TO_FLAGS(item->folder->account->crosspost_col);
1065
1066                 } else {
1067                         if (!item->folder->newsart)
1068                                 item->folder->newsart = g_hash_table_new(g_str_hash, g_str_equal);
1069                         g_hash_table_insert(item->folder->newsart,
1070                                         g_strdup(msginfo->msgid), GINT_TO_POINTER(1));
1071                         msginfo->flags.perm_flags = MSG_NEW|MSG_UNREAD;
1072                 }
1073         } else {
1074                 msginfo->flags.perm_flags = MSG_NEW|MSG_UNREAD;
1075         }
1076 }
1077
1078 static void news_get_extra_fields(NewsSession *session, FolderItem *item, GSList *msglist)
1079 {
1080         MsgInfo *msginfo = NULL;
1081         gint ok;
1082         GSList *cur;
1083         clist *hdrlist = NULL;
1084         clistiter *hdr;
1085         gint first = -1, last = -1;
1086         GHashTable *hash_table;
1087
1088         cm_return_if_fail(session != NULL);
1089         cm_return_if_fail(item != NULL);
1090         cm_return_if_fail(item->folder != NULL);
1091         cm_return_if_fail(FOLDER_CLASS(item->folder) == &news_class);
1092
1093         news_folder_lock(NEWS_FOLDER(item->folder));
1094
1095         hash_table = g_hash_table_new(g_direct_hash, g_direct_equal);
1096
1097         for (cur = msglist; cur; cur = cur->next) {
1098                 msginfo = (MsgInfo *)cur->data;
1099                 if (first == -1 || msginfo->msgnum < first)
1100                         first = msginfo->msgnum;
1101                 if (last == -1 || msginfo->msgnum > last)
1102                         last = msginfo->msgnum;
1103                 g_hash_table_insert(hash_table,
1104                                 GINT_TO_POINTER(msginfo->msgnum), msginfo);
1105         }
1106
1107 /* Newsgroups */
1108         ok = nntp_threaded_xhdr(item->folder, "newsgroups", first, last, &hdrlist);
1109
1110         if (ok != NEWSNNTP_NO_ERROR) {
1111                 log_warning(LOG_PROTOCOL, _("couldn't get xhdr\n"));
1112                 if (ok == NEWSNNTP_ERROR_STREAM) {
1113                         session_destroy(SESSION(session));
1114                         REMOTE_FOLDER(item->folder)->session = NULL;
1115                 }
1116                 news_folder_unlock(NEWS_FOLDER(item->folder));
1117                 return;
1118         }
1119
1120         for (hdr = clist_begin(hdrlist); hdr; hdr = clist_next(hdr)) {
1121                 struct newsnntp_xhdr_resp_item *hdrval = clist_content(hdr);
1122                 msginfo = g_hash_table_lookup(hash_table, GINT_TO_POINTER(hdrval->hdr_article));
1123                 if (msginfo) {
1124                         if (msginfo->newsgroups)
1125                                 g_free(msginfo->newsgroups);
1126                         msginfo->newsgroups = g_strdup(hdrval->hdr_value);
1127                 }
1128         }
1129         newsnntp_xhdr_free(hdrlist);
1130
1131 /* To */
1132         ok = nntp_threaded_xhdr(item->folder, "to", first, last, &hdrlist);
1133
1134         if (ok != NEWSNNTP_NO_ERROR) {
1135                 log_warning(LOG_PROTOCOL, _("couldn't get xhdr\n"));
1136                 if (ok == NEWSNNTP_ERROR_STREAM) {
1137                         session_destroy(SESSION(session));
1138                         REMOTE_FOLDER(item->folder)->session = NULL;
1139                 }
1140                 news_folder_unlock(NEWS_FOLDER(item->folder));
1141                 return;
1142         }
1143
1144         for (hdr = clist_begin(hdrlist); hdr; hdr = clist_next(hdr)) {
1145                 struct newsnntp_xhdr_resp_item *hdrval = clist_content(hdr);
1146                 msginfo = g_hash_table_lookup(hash_table, GINT_TO_POINTER(hdrval->hdr_article));
1147                 if (msginfo) {
1148                         if (msginfo->to)
1149                                 g_free(msginfo->to);
1150                         msginfo->to = g_strdup(hdrval->hdr_value);
1151                 }
1152         }
1153         newsnntp_xhdr_free(hdrlist);
1154
1155 /* Cc */
1156         ok = nntp_threaded_xhdr(item->folder, "cc", first, last, &hdrlist);
1157
1158         if (ok != NEWSNNTP_NO_ERROR) {
1159                 log_warning(LOG_PROTOCOL, _("couldn't get xhdr\n"));
1160                 if (ok == NEWSNNTP_ERROR_STREAM) {
1161                         session_destroy(SESSION(session));
1162                         REMOTE_FOLDER(item->folder)->session = NULL;
1163                 }
1164                 news_folder_unlock(NEWS_FOLDER(item->folder));
1165                 return;
1166         }
1167
1168         for (hdr = clist_begin(hdrlist); hdr; hdr = clist_next(hdr)) {
1169                 struct newsnntp_xhdr_resp_item *hdrval = clist_content(hdr);
1170                 msginfo = g_hash_table_lookup(hash_table, GINT_TO_POINTER(hdrval->hdr_article));
1171                 if (msginfo) {
1172                         if (msginfo->cc)
1173                                 g_free(msginfo->cc);
1174                         msginfo->cc = g_strdup(hdrval->hdr_value);
1175                 }
1176         }
1177         newsnntp_xhdr_free(hdrlist);
1178
1179
1180         g_hash_table_destroy(hash_table);
1181         news_folder_unlock(NEWS_FOLDER(item->folder));
1182 }
1183
1184 static GSList *news_get_msginfos_for_range(NewsSession *session, FolderItem *item, guint begin, guint end)
1185 {
1186         GSList *newlist = NULL;
1187         GSList *llast = NULL;
1188         MsgInfo *msginfo;
1189         gint ok;
1190         clist *msglist = NULL;
1191         clistiter *cur;
1192         cm_return_val_if_fail(session != NULL, NULL);
1193         cm_return_val_if_fail(item != NULL, NULL);
1194
1195         log_message(LOG_PROTOCOL, _("getting xover %d - %d in %s...\n"),
1196                     begin, end, item->path);
1197
1198         news_folder_lock(NEWS_FOLDER(item->folder));
1199
1200         ok = news_select_group(item->folder, item->path, NULL, NULL, NULL);
1201         if (ok != NEWSNNTP_NO_ERROR) {
1202                 log_warning(LOG_PROTOCOL, _("couldn't set group: %s\n"), item->path);
1203                 news_folder_unlock(NEWS_FOLDER(item->folder));
1204                 return NULL;
1205         }
1206
1207         ok = nntp_threaded_xover(item->folder, begin, end, NULL, &msglist);
1208
1209         if (ok != NEWSNNTP_NO_ERROR) {
1210                 log_warning(LOG_PROTOCOL, _("couldn't get xover\n"));
1211                 if (ok == NEWSNNTP_ERROR_STREAM) {
1212                         session_destroy(SESSION(session));
1213                         REMOTE_FOLDER(item->folder)->session = NULL;
1214                 }
1215                 news_folder_unlock(NEWS_FOLDER(item->folder));
1216                 return NULL;
1217         }
1218
1219         if (msglist) {
1220                 for (cur = clist_begin(msglist); cur; cur = clist_next(cur)) {
1221                         struct newsnntp_xover_resp_item *ritem = (struct newsnntp_xover_resp_item *)clist_content(cur);
1222                         msginfo = news_parse_xover(ritem);
1223
1224                         if (!msginfo) {
1225                                 log_warning(LOG_PROTOCOL, _("invalid xover line\n"));
1226                                 continue;
1227                         }
1228
1229                         msginfo->folder = item;
1230                         news_set_msg_flags(item, msginfo);
1231                         msginfo->flags.tmp_flags |= MSG_NEWS;
1232
1233                         if (!newlist)
1234                                 llast = newlist = g_slist_append(newlist, msginfo);
1235                         else {
1236                                 llast = g_slist_append(llast, msginfo);
1237                                 llast = llast->next;
1238                         }
1239                 }
1240                 newsnntp_xover_resp_list_free(msglist);
1241         }
1242
1243         news_folder_unlock(NEWS_FOLDER(item->folder));
1244
1245         session_set_access_time(SESSION(session));
1246
1247         news_get_extra_fields(session, item, newlist);
1248
1249         return newlist;
1250 }
1251
1252 static MsgInfo *news_get_msginfo(Folder *folder, FolderItem *item, gint num)
1253 {
1254         GSList *msglist = NULL;
1255         NewsSession *session;
1256         MsgInfo *msginfo = NULL;
1257
1258         session = news_session_get(folder);
1259         cm_return_val_if_fail(session != NULL, NULL);
1260         cm_return_val_if_fail(item != NULL, NULL);
1261         cm_return_val_if_fail(item->folder != NULL, NULL);
1262         cm_return_val_if_fail(FOLDER_CLASS(item->folder) == &news_class, NULL);
1263
1264         msglist = news_get_msginfos_for_range(session, item, num, num);
1265
1266         if (msglist)
1267                 msginfo = msglist->data;
1268
1269         g_slist_free(msglist);
1270
1271         return msginfo;
1272 }
1273
1274 static GSList *news_get_msginfos(Folder *folder, FolderItem *item, GSList *msgnum_list)
1275 {
1276         NewsSession *session;
1277         GSList *elem, *msginfo_list = NULL, *tmp_msgnum_list, *tmp_msginfo_list;
1278         guint first, last, next;
1279 /*      guint tofetch, fetched;
1280 */
1281
1282         cm_return_val_if_fail(folder != NULL, NULL);
1283         cm_return_val_if_fail(FOLDER_CLASS(folder) == &news_class, NULL);
1284         cm_return_val_if_fail(msgnum_list != NULL, NULL);
1285         cm_return_val_if_fail(item != NULL, NULL);
1286
1287         session = news_session_get(folder);
1288         cm_return_val_if_fail(session != NULL, NULL);
1289
1290         tmp_msgnum_list = g_slist_copy(msgnum_list);
1291         tmp_msgnum_list = g_slist_sort(tmp_msgnum_list, g_int_compare);
1292
1293         progressindicator_start(PROGRESS_TYPE_NETWORK);
1294 /*      tofetch = g_slist_length(tmp_msgnum_list);
1295         fetched = 0;
1296 */
1297
1298         first = GPOINTER_TO_INT(tmp_msgnum_list->data);
1299         last = first;
1300
1301         news_folder_lock(NEWS_FOLDER(item->folder));
1302
1303         for(elem = g_slist_next(tmp_msgnum_list); elem != NULL; elem = g_slist_next(elem)) {
1304                 next = GPOINTER_TO_INT(elem->data);
1305                 if(next != (last + 1)) {
1306 /*                      session->fetch_base_percentage = ((gfloat) fetched) / ((gfloat) tofetch);
1307                         session->fetch_total_percentage = ((gfloat) (last - first + 1)) / ((gfloat) tofetch);
1308 */
1309                         tmp_msginfo_list = news_get_msginfos_for_range(session, item, first, last);
1310                         msginfo_list = g_slist_concat(msginfo_list, tmp_msginfo_list);
1311 /*                      fetched = last - first + 1;
1312 */
1313                         first = next;
1314                 }
1315                 last = next;
1316         }
1317
1318         news_folder_unlock(NEWS_FOLDER(item->folder));
1319
1320 /*      session->fetch_base_percentage = ((gfloat) fetched) / ((gfloat) tofetch);
1321         session->fetch_total_percentage = ((gfloat) (last - first + 1)) / ((gfloat) tofetch);
1322 */
1323         tmp_msginfo_list = news_get_msginfos_for_range(session, item, first, last);
1324         msginfo_list = g_slist_concat(msginfo_list, tmp_msginfo_list);
1325
1326         g_slist_free(tmp_msgnum_list);
1327
1328         progressindicator_stop(PROGRESS_TYPE_NETWORK);
1329
1330         return msginfo_list;
1331 }
1332
1333 static gboolean news_scan_required(Folder *folder, FolderItem *item)
1334 {
1335         return TRUE;
1336 }
1337
1338 void news_synchronise(FolderItem *item, gint days)
1339 {
1340         news_gtk_synchronise(item, days);
1341 }
1342
1343 static gint news_rename_folder(Folder *folder, FolderItem *item,
1344                                 const gchar *name)
1345 {
1346         gchar *path;
1347
1348         cm_return_val_if_fail(folder != NULL, -1);
1349         cm_return_val_if_fail(item != NULL, -1);
1350         cm_return_val_if_fail(item->path != NULL, -1);
1351         cm_return_val_if_fail(name != NULL, -1);
1352
1353         path = folder_item_get_path(item);
1354         if (!is_dir_exist(path))
1355                 make_dir_hier(path);
1356
1357         g_free(item->name);
1358         item->name = g_strdup(name);
1359
1360         return 0;
1361 }
1362
1363 static gint news_remove_folder(Folder *folder, FolderItem *item)
1364 {
1365         gchar *path;
1366
1367         cm_return_val_if_fail(folder != NULL, -1);
1368         cm_return_val_if_fail(item != NULL, -1);
1369         cm_return_val_if_fail(item->path != NULL, -1);
1370
1371         path = folder_item_get_path(item);
1372         if (remove_dir_recursive(path) < 0) {
1373                 g_warning("can't remove directory `%s'\n", path);
1374                 g_free(path);
1375                 return -1;
1376         }
1377
1378         g_free(path);
1379         folder_item_remove(item);
1380         return 0;
1381 }
1382
1383 void nntp_disconnect_all(gboolean have_connectivity)
1384 {
1385         GList *list;
1386         gboolean short_timeout;
1387 #ifdef HAVE_NETWORKMANAGER_SUPPORT
1388         GError *error;
1389 #endif
1390
1391 #ifdef HAVE_NETWORKMANAGER_SUPPORT
1392         error = NULL;
1393         short_timeout = !networkmanager_is_online(&error);
1394         if(error) {
1395                 short_timeout = TRUE;
1396                 g_error_free(error);
1397         }
1398 #else
1399         short_timeout = TRUE;
1400 #endif
1401
1402         if(short_timeout)
1403                 nntp_main_set_timeout(1);
1404
1405         for (list = account_get_list(); list != NULL; list = list->next) {
1406                 PrefsAccount *account = list->data;
1407                 if (account->protocol == A_NNTP) {
1408                         RemoteFolder *folder = (RemoteFolder *)account->folder;
1409                         if (folder && folder->session) {
1410                                 NewsSession *session = (NewsSession *)folder->session;
1411                                 if (have_connectivity)
1412                                         nntp_threaded_disconnect(FOLDER(folder));
1413                                 SESSION(session)->state = SESSION_DISCONNECTED;
1414                                 SESSION(session)->sock = NULL;
1415                                 session_destroy(SESSION(session));
1416                                 folder->session = NULL;
1417                         }
1418                 }
1419         }
1420
1421         if(short_timeout)
1422                 nntp_main_set_timeout(prefs_common.io_timeout_secs);
1423 }
1424
1425 #else
1426 #include <glib.h>
1427 #include <glib/gi18n.h>
1428 #include <gtk/gtk.h>
1429 #include "folder.h"
1430 #include "alertpanel.h"
1431
1432 static FolderClass news_class;
1433
1434 static void warn_etpan(void)
1435 {
1436         static gboolean missing_news_warning = TRUE;
1437         if (missing_news_warning) {
1438                 missing_news_warning = FALSE;
1439                 alertpanel_error(
1440                         _("You have one or more News accounts "
1441                           "defined. However this version of "
1442                           "Claws Mail has been built without "
1443                           "News support; your News account(s) are "
1444                           "disabled.\n\n"
1445                           "You probably need to "
1446                           "install libetpan and recompile "
1447                           "Claws Mail."));
1448         }
1449 }
1450 static Folder *news_folder_new(const gchar *name, const gchar *path)
1451 {
1452         warn_etpan();
1453         return NULL;
1454 }
1455 void news_group_list_free(GSList *group_list)
1456 {
1457         warn_etpan();
1458 }
1459 void news_remove_group_list_cache(Folder *folder)
1460 {
1461         warn_etpan();
1462 }
1463 int news_folder_locked(Folder *folder)
1464 {
1465         warn_etpan();
1466         return 0;
1467 }
1468 gint news_post(Folder *folder, const gchar *file)
1469 {
1470         warn_etpan();
1471         return -1;
1472 }
1473
1474 gint news_cancel_article(Folder * folder, MsgInfo * msginfo)
1475 {
1476         warn_etpan();
1477         return -1;
1478 }
1479
1480 GSList *news_get_group_list(Folder *folder)
1481 {
1482         warn_etpan();
1483         return NULL;
1484 }
1485
1486
1487 FolderClass *news_get_class(void)
1488 {
1489         if (news_class.idstr == NULL) {
1490                 news_class.type = F_NEWS;
1491                 news_class.idstr = "news";
1492                 news_class.uistr = "News";
1493
1494                 /* Folder functions */
1495                 news_class.new_folder = news_folder_new;
1496         };
1497
1498         return &news_class;
1499 }
1500
1501 void nntp_disconnect_all(gboolean have_connectivity)
1502 {
1503 }
1504
1505 #endif