src/news.c

   1 /*
   2  * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
   3  * Copyright (C) 1999-2011 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 #endif
  23
  24 #ifdef HAVE_LIBETPAN
  25
  26 #include "defs.h"
  27
  28 #include <glib.h>
  29 #include <glib/gi18n.h>
  30 #include <stdio.h>
  31 #include <string.h>
  32 #include <stdlib.h>
  33 #include <dirent.h>
  34 #include <unistd.h>
  35 #include <time.h>
  36 #include <libetpan/libetpan.h>
  37
  38 #include "nntp-thread.h"
  39 #include "news.h"
  40 #include "news_gtk.h"
  41 #include "socket.h"
  42 #include "recv.h"
  43 #include "procmsg.h"
  44 #include "procheader.h"
  45 #include "folder.h"
  46 #include "session.h"
  47 #include "statusbar.h"
  48 #include "codeconv.h"
  49 #include "utils.h"
  50 #include "prefs_common.h"
  51 #include "prefs_account.h"
  52 #include "inputdialog.h"
  53 #include "log.h"
  54 #include "progressindicator.h"
  55 #include "remotefolder.h"
  56 #include "alertpanel.h"
  57 #include "inc.h"
  58 #ifdef USE_GNUTLS
  59 #  include "ssl.h"
  60 #endif
  61
  62 #define NNTP_PORT       119
  63 #ifdef USE_GNUTLS
  64 #define NNTPS_PORT      563
  65 #endif
  66
  67 typedef struct _NewsFolder      NewsFolder;
  68 typedef struct _NewsSession     NewsSession;
  69
  70 #define NEWS_FOLDER(obj)        ((NewsFolder *)obj)
  71 #define NEWS_SESSION(obj)       ((NewsSession *)obj)
  72
  73 struct _NewsFolder
  74 {
  75         RemoteFolder rfolder;
  76
  77         gboolean use_auth;
  78         gboolean lock_count;
  79         guint refcnt;
  80 };
  81
  82 struct _NewsSession
  83 {
  84         Session session;
  85
  86         gchar *group;
  87 };
  88
  89 static void news_folder_init(Folder *folder, const gchar *name,
  90                              const gchar *path);
  91
  92 static Folder   *news_folder_new        (const gchar    *name,
  93                                          const gchar    *folder);
  94 static void      news_folder_destroy    (Folder         *folder);
  95
  96 static gchar *news_fetch_msg            (Folder         *folder,
  97                                          FolderItem     *item,
  98                                          gint            num);
  99 static void news_remove_cached_msg      (Folder         *folder,
 100                                          FolderItem     *item,
 101                                          MsgInfo        *msginfo);
 102 #ifdef USE_GNUTLS
 103 static Session *news_session_new         (Folder        *folder,
 104                                           const gchar   *server,
 105                                           gushort        port,
 106                                           const gchar   *userid,
 107                                           const gchar   *passwd,
 108                                           SSLType        ssl_type);
 109 #else
 110 static Session *news_session_new         (Folder        *folder,
 111                                           const gchar   *server,
 112                                           gushort        port,
 113                                           const gchar   *userid,
 114                                           const gchar   *passwd);
 115 #endif
 116
 117 static gint news_get_article             (Folder        *folder,
 118                                           gint           num,
 119                                           gchar         *filename);
 120
 121 static gint news_select_group            (Folder        *folder,
 122                                           const gchar   *group,
 123                                           gint          *num,
 124                                           gint          *first,
 125                                           gint          *last);
 126 static MsgInfo *news_parse_xover         (struct newsnntp_xover_resp_item *item);
 127 static gint news_get_num_list                    (Folder        *folder,
 128                                           FolderItem    *item,
 129                                           GSList       **list,
 130                                           gboolean      *old_uids_valid);
 131 static MsgInfo *news_get_msginfo                 (Folder        *folder,
 132                                           FolderItem    *item,
 133                                           gint           num);
 134 static GSList *news_get_msginfos                 (Folder        *folder,
 135                                           FolderItem    *item,
 136                                           GSList        *msgnum_list);
 137 static gboolean news_scan_required               (Folder        *folder,
 138                                           FolderItem    *item);
 139
 140 static gchar *news_folder_get_path       (Folder        *folder);
 141 static gchar *news_item_get_path                 (Folder        *folder,
 142                                           FolderItem    *item);
 143 static void news_synchronise             (FolderItem    *item, gint days);
 144 static int news_remove_msg               (Folder        *folder,
 145                                           FolderItem    *item,
 146                                           gint           msgnum);
 147 static gint news_rename_folder           (Folder *folder,
 148                                           FolderItem *item,
 149                                           const gchar *name);
 150 static gint news_remove_folder           (Folder        *folder,
 151                                           FolderItem    *item);
 152 static FolderClass news_class;
 153
 154 FolderClass *news_get_class(void)
 155 {
 156         if (news_class.idstr == NULL) {
 157                 news_class.type = F_NEWS;
 158                 news_class.idstr = "news";
 159                 news_class.uistr = "News";
 160
 161                 /* Folder functions */
 162                 news_class.new_folder = news_folder_new;
 163                 news_class.destroy_folder = news_folder_destroy;
 164
 165                 /* FolderItem functions */
 166                 news_class.item_get_path = news_item_get_path;
 167                 news_class.get_num_list = news_get_num_list;
 168                 news_class.scan_required = news_scan_required;
 169                 news_class.rename_folder = news_rename_folder;
 170                 news_class.remove_folder = news_remove_folder;
 171
 172                 /* Message functions */
 173                 news_class.get_msginfo = news_get_msginfo;
 174                 news_class.get_msginfos = news_get_msginfos;
 175                 news_class.fetch_msg = news_fetch_msg;
 176                 news_class.synchronise = news_synchronise;
 177                 news_class.remove_msg = news_remove_msg;
 178                 news_class.remove_cached_msg = news_remove_cached_msg;
 179         };
 180
 181         return &news_class;
 182 }
 183
 184 guint nntp_folder_get_refcnt(Folder *folder)
 185 {
 186         return ((NewsFolder *)folder)->refcnt;
 187 }
 188
 189 void nntp_folder_ref(Folder *folder)
 190 {
 191         ((NewsFolder *)folder)->refcnt++;
 192 }
 193
 194 void nntp_folder_unref(Folder *folder)
 195 {
 196         if (((NewsFolder *)folder)->refcnt > 0)
 197                 ((NewsFolder *)folder)->refcnt--;
 198 }
 199
 200 static int news_remove_msg               (Folder        *folder,
 201                                           FolderItem    *item,
 202                                           gint           msgnum)
 203 {
 204         gchar *path, *filename;
 205
 206         cm_return_val_if_fail(folder != NULL, -1);
 207         cm_return_val_if_fail(item != NULL, -1);
 208
 209         path = folder_item_get_path(item);
 210         if (!is_dir_exist(path))
 211                 make_dir_hier(path);
 212
 213         filename = g_strconcat(path, G_DIR_SEPARATOR_S, itos(msgnum), NULL);
 214         g_free(path);
 215         claws_unlink(filename);
 216         g_free(filename);
 217         return 0;
 218 }
 219
 220 static void news_folder_lock(NewsFolder *folder)
 221 {
 222         folder->lock_count++;
 223 }
 224
 225 static void news_folder_unlock(NewsFolder *folder)
 226 {
 227         if (folder->lock_count > 0)
 228                 folder->lock_count--;
 229 }
 230
 231 int news_folder_locked(Folder *folder)
 232 {
 233         if (folder == NULL)
 234                 return 0;
 235
 236         return NEWS_FOLDER(folder)->lock_count;
 237 }
 238
 239 static Folder *news_folder_new(const gchar *name, const gchar *path)
 240 {
 241         Folder *folder;
 242
 243         folder = (Folder *)g_new0(NewsFolder, 1);
 244         folder->klass = &news_class;
 245         news_folder_init(folder, name, path);
 246
 247         return folder;
 248 }
 249
 250 static void news_folder_destroy(Folder *folder)
 251 {
 252         gchar *dir;
 253
 254         while (nntp_folder_get_refcnt(folder) > 0)
 255                 gtk_main_iteration();
 256
 257         dir = news_folder_get_path(folder);
 258         if (is_dir_exist(dir))
 259                 remove_dir_recursive(dir);
 260         g_free(dir);
 261
 262         nntp_done(folder);
 263         folder_remote_folder_destroy(REMOTE_FOLDER(folder));
 264 }
 265
 266 static void news_folder_init(Folder *folder, const gchar *name,
 267                              const gchar *path)
 268 {
 269         folder_remote_folder_init(folder, name, path);
 270 }
 271
 272 static void news_session_destroy(Session *session)
 273 {
 274         NewsSession *news_session = NEWS_SESSION(session);
 275
 276         cm_return_if_fail(session != NULL);
 277
 278         if (news_session->group)
 279                 g_free(news_session->group);
 280 }
 281
 282 #ifdef USE_GNUTLS
 283 static Session *news_session_new(Folder *folder, const gchar *server, gushort port,
 284                                  const gchar *userid, const gchar *passwd,
 285                                  SSLType ssl_type)
 286 #else
 287 static Session *news_session_new(Folder *folder, const gchar *server, gushort port,
 288                                  const gchar *userid, const gchar *passwd)
 289 #endif
 290 {
 291         NewsSession *session;
 292         int r = 0;
 293         cm_return_val_if_fail(server != NULL, NULL);
 294
 295         log_message(LOG_PROTOCOL, _("Account '%s': Connecting to NNTP server: %s...\n"),
 296                                     folder->account->account_name, server);
 297
 298         session = g_new0(NewsSession, 1);
 299         session_init(SESSION(session), folder->account, FALSE);
 300         SESSION(session)->type             = SESSION_NEWS;
 301         SESSION(session)->server           = g_strdup(server);
 302         SESSION(session)->port             = port;
 303         SESSION(session)->sock             = NULL;
 304         SESSION(session)->destroy          = news_session_destroy;
 305
 306         nntp_init(folder);
 307
 308 #ifdef USE_GNUTLS
 309         if (ssl_type != SSL_NONE)
 310                 r = nntp_threaded_connect_ssl(folder, server, port);
 311         else
 312 #endif
 313                 r = nntp_threaded_connect(folder, server, port);
 314
 315         if (r != NEWSNNTP_NO_ERROR) {
 316                 log_error(LOG_PROTOCOL, _("Error logging in to %s:%d ...\n"), server, port);
 317                 session_destroy(SESSION(session));
 318                 return NULL;
 319         }
 320
 321         return SESSION(session);
 322 }
 323
 324 static Session *news_session_new_for_folder(Folder *folder)
 325 {
 326         Session *session;
 327         PrefsAccount *ac;
 328         const gchar *userid = NULL;
 329         gchar *passwd = NULL;
 330         gushort port;
 331         int r;
 332
 333         cm_return_val_if_fail(folder != NULL, NULL);
 334         cm_return_val_if_fail(folder->account != NULL, NULL);
 335
 336         ac = folder->account;
 337         if (ac->use_nntp_auth && ac->userid && ac->userid[0]) {
 338                 userid = ac->userid;
 339                 if (ac->passwd && ac->passwd[0])
 340                         passwd = g_strdup(ac->passwd);
 341                 else
 342                         passwd = input_dialog_query_password_keep(ac->nntp_server,
 343                                                                   userid,
 344                                                                   &(ac->session_passwd));
 345         }
 346
 347 #ifdef USE_GNUTLS
 348         port = ac->set_nntpport ? ac->nntpport
 349                 : ac->ssl_nntp ? NNTPS_PORT : NNTP_PORT;
 350         session = news_session_new(folder, ac->nntp_server, port, userid, passwd,
 351                                    ac->ssl_nntp);
 352 #else
 353         if (ac->ssl_nntp != SSL_NONE) {
 354                 if (alertpanel_full(_("Insecure connection"),
 355                         _("This connection is configured to be secured "
 356                           "using SSL, but SSL is not available in this "
 357                           "build of Claws Mail. \n\n"
 358                           "Do you want to continue connecting to this "
 359                           "server? The communication would not be "
 360                           "secure."),
 361                           GTK_STOCK_CANCEL, _("Con_tinue connecting"),
 362                           NULL, FALSE, NULL, ALERT_WARNING,
 363                           G_ALERTDEFAULT) != G_ALERTALTERNATE)
 364                         return NULL;
 365         }
 366         port = ac->set_nntpport ? ac->nntpport : NNTP_PORT;
 367         session = news_session_new(folder, ac->nntp_server, port, userid, passwd);
 368 #endif
 369
 370         if (session != NULL)
 371                 r = nntp_threaded_mode_reader(folder);
 372         else
 373                 r = NEWSNNTP_ERROR_CONNECTION_REFUSED;
 374
 375         if (r != NEWSNNTP_NO_ERROR) {
 376             if (r == NEWSNNTP_WARNING_REQUEST_AUTHORIZATION_USERNAME) {
 377                 /*
 378                    FIX ME when libetpan implements 480 to indicate authorization
 379                    is required to use this capability. Libetpan treats a 480 as a
 380                    381 which is clearly wrong.
 381                    RFC 4643 section 2.
 382                    Response code 480
 383                    Generic response
 384                    Meaning: command unavailable until the client
 385                    has authenticated itself.
 386                 */
 387                 /* if the server does not advertise the capability MODE-READER,
 388                    we normally should not send MODE READER. However this can't
 389                    hurt: a transit-only server returns 502 and closes the cnx.
 390                    Ref.: http://tools.ietf.org/html/rfc3977#section-5.3
 391                 */
 392                 log_error(LOG_PROTOCOL, _("Libetpan does not support return code 480 "
 393                 "so for now we choose to continue\n"));
 394             }
 395             else if (r == NEWSNNTP_ERROR_UNEXPECTED_RESPONSE) {
 396                 /* if the server does not advertise the capability MODE-READER,
 397                    we normally should not send MODE READER. However this can't
 398                    hurt: a transit-only server returns 502 and closes the cnx.
 399                    Ref.: http://tools.ietf.org/html/rfc3977#section-5.3
 400                 */
 401                 log_error(LOG_PROTOCOL, _("Mode reader failed, continuing nevertheless\n"));
 402             }
 403             else {
 404                 /* An error state bail out */
 405                 log_error(LOG_PROTOCOL, _("Error creating session with %s:%d\n"), ac->nntp_server, port);
 406                 session_destroy(SESSION(session));
 407                 g_free(passwd);
 408                 if (ac->session_passwd) {
 409                         g_free(ac->session_passwd);
 410                         ac->session_passwd = NULL;
 411                 }
 412                 return NULL;
 413             }
 414         }
 415
 416         if ((session != NULL) && ac->use_nntp_auth) { /* FIXME:  && ac->use_nntp_auth_onconnect */
 417                 if (nntp_threaded_login(folder, userid, passwd) !=
 418                         NEWSNNTP_NO_ERROR) {
 419                         log_error(LOG_PROTOCOL, _("Error authenticating to %s:%d ...\n"), ac->nntp_server, port);
 420                         session_destroy(SESSION(session));
 421                         g_free(passwd);
 422                         if (ac->session_passwd) {
 423                                 g_free(ac->session_passwd);
 424                                 ac->session_passwd = NULL;
 425                         }
 426                         return NULL;
 427                 }
 428         }
 429         g_free(passwd);
 430
 431         return session;
 432 }
 433
 434 static NewsSession *news_session_get(Folder *folder)
 435 {
 436         RemoteFolder *rfolder = REMOTE_FOLDER(folder);
 437         struct tm lt;
 438         int r;
 439
 440         cm_return_val_if_fail(folder != NULL, NULL);
 441         cm_return_val_if_fail(FOLDER_CLASS(folder) == &news_class, NULL);
 442         cm_return_val_if_fail(folder->account != NULL, NULL);
 443
 444         if (prefs_common.work_offline &&
 445             !inc_offline_should_override(FALSE,
 446                 _("Claws Mail needs network access in order "
 447                   "to access the News server."))) {
 448                 return NULL;
 449         }
 450
 451         if (!rfolder->session) {
 452                 rfolder->session = news_session_new_for_folder(folder);
 453                 return NEWS_SESSION(rfolder->session);
 454         }
 455
 456         /* Handle port change (also ssl/nossl change) without needing to
 457          * restart application. */
 458         if (rfolder->session->port != folder->account->nntpport) {
 459                 session_destroy(rfolder->session);
 460                 rfolder->session = news_session_new_for_folder(folder);
 461                 goto newsession;
 462         }
 463
 464         if (time(NULL) - rfolder->session->last_access_time <
 465                 SESSION_TIMEOUT_INTERVAL) {
 466                 return NEWS_SESSION(rfolder->session);
 467         }
 468
 469         if ((r = nntp_threaded_date(folder, &lt)) != NEWSNNTP_NO_ERROR) {
 470                 if (r != NEWSNNTP_ERROR_COMMAND_NOT_SUPPORTED &&
 471                     r != NEWSNNTP_ERROR_COMMAND_NOT_UNDERSTOOD) {
 472                         log_warning(LOG_PROTOCOL, _("NNTP connection to %s:%d has been"
 473                               " disconnected. Reconnecting...\n"),
 474                             folder->account->nntp_server,
 475                             folder->account->set_nntpport ?
 476                             folder->account->nntpport : NNTP_PORT);
 477                         session_destroy(rfolder->session);
 478                         rfolder->session = news_session_new_for_folder(folder);
 479                 }
 480         }
 481
 482 newsession:
 483         if (rfolder->session)
 484                 session_set_access_time(rfolder->session);
 485
 486         return NEWS_SESSION(rfolder->session);
 487 }
 488
 489 static void news_remove_cached_msg(Folder *folder, FolderItem *item, MsgInfo *msginfo)
 490 {
 491         gchar *path, *filename;
 492
 493         path = folder_item_get_path(item);
 494
 495         if (!is_dir_exist(path)) {
 496                 g_free(path);
 497                 return;
 498         }
 499
 500         filename = g_strconcat(path, G_DIR_SEPARATOR_S, itos(msginfo->msgnum), NULL);
 501         g_free(path);
 502
 503         if (is_file_exist(filename)) {
 504                 claws_unlink(filename);
 505         }
 506         g_free(filename);
 507 }
 508
 509 static gchar *news_fetch_msg(Folder *folder, FolderItem *item, gint num)
 510 {
 511         gchar *path, *filename;
 512         NewsSession *session;
 513         gint ok;
 514
 515         cm_return_val_if_fail(folder != NULL, NULL);
 516         cm_return_val_if_fail(item != NULL, NULL);
 517
 518         path = folder_item_get_path(item);
 519         if (!is_dir_exist(path))
 520                 make_dir_hier(path);
 521         filename = g_strconcat(path, G_DIR_SEPARATOR_S, itos(num), NULL);
 522         g_free(path);
 523
 524         if (is_file_exist(filename)) {
 525                 debug_print("article %d has been already cached.\n", num);
 526                 return filename;
 527         }
 528
 529         session = news_session_get(folder);
 530         if (!session) {
 531                 g_free(filename);
 532                 return NULL;
 533         }
 534
 535         ok = news_select_group(folder, item->path, NULL, NULL, NULL);
 536         if (ok != NEWSNNTP_NO_ERROR) {
 537                 if (ok == NEWSNNTP_ERROR_STREAM) {
 538                         session_destroy(SESSION(session));
 539                         REMOTE_FOLDER(folder)->session = NULL;
 540                 }
 541                 g_free(filename);
 542                 return NULL;
 543         }
 544
 545         debug_print("getting article %d...\n", num);
 546         ok = news_get_article(folder,
 547                               num, filename);
 548         if (ok != NEWSNNTP_NO_ERROR) {
 549                 g_warning("can't read article %d\n", num);
 550                 if (ok == NEWSNNTP_ERROR_STREAM) {
 551                         session_destroy(SESSION(session));
 552                         REMOTE_FOLDER(folder)->session = NULL;
 553                 }
 554                 g_free(filename);
 555                 return NULL;
 556         }
 557         GTK_EVENTS_FLUSH();
 558         return filename;
 559 }
 560
 561 static NewsGroupInfo *news_group_info_new(const gchar *name,
 562                                           gint first, gint last, gchar type)
 563 {
 564         NewsGroupInfo *ginfo;
 565
 566         ginfo = g_new(NewsGroupInfo, 1);
 567         ginfo->name = g_strdup(name);
 568         ginfo->first = first;
 569         ginfo->last = last;
 570         ginfo->type = type;
 571
 572         return ginfo;
 573 }
 574
 575 static void news_group_info_free(NewsGroupInfo *ginfo)
 576 {
 577         g_free(ginfo->name);
 578         g_free(ginfo);
 579 }
 580
 581 static gint news_group_info_compare(NewsGroupInfo *ginfo1,
 582                                     NewsGroupInfo *ginfo2)
 583 {
 584         return g_ascii_strcasecmp(ginfo1->name, ginfo2->name);
 585 }
 586
 587 GSList *news_get_group_list(Folder *folder)
 588 {
 589         gchar *path, *filename;
 590         FILE *fp;
 591         GSList *list = NULL;
 592         GSList *last = NULL;
 593         gchar buf[BUFFSIZE];
 594
 595         cm_return_val_if_fail(folder != NULL, NULL);
 596         cm_return_val_if_fail(FOLDER_CLASS(folder) == &news_class, NULL);
 597
 598         path = folder_item_get_path(FOLDER_ITEM(folder->node->data));
 599         if (!is_dir_exist(path))
 600                 make_dir_hier(path);
 601         filename = g_strconcat(path, G_DIR_SEPARATOR_S, NEWSGROUP_LIST, NULL);
 602         g_free(path);
 603
 604         if ((fp = g_fopen(filename, "rb")) == NULL) {
 605                 NewsSession *session;
 606                 gint ok;
 607                 clist *grouplist = NULL;
 608                 clistiter *cur;
 609                 fp = g_fopen(filename, "wb");
 610
 611                 if (!fp) {
 612                         g_free(filename);
 613                         return NULL;
 614                 }
 615                 session = news_session_get(folder);
 616                 if (!session) {
 617                         fclose(fp);
 618                         g_free(filename);
 619                         return NULL;
 620                 }
 621
 622                 ok = nntp_threaded_list(folder, &grouplist);
 623
 624                 if (ok != NEWSNNTP_NO_ERROR) {
 625                         if (ok == NEWSNNTP_ERROR_STREAM) {
 626                                 session_destroy(SESSION(session));
 627                                 REMOTE_FOLDER(folder)->session = NULL;
 628                         }
 629                         fclose(fp);
 630                         g_free(filename);
 631                         return NULL;
 632                 }
 633
 634                 if (grouplist) {
 635                         for (cur = clist_begin(grouplist); cur; cur = clist_next(cur)) {
 636                                 struct newsnntp_group_info *info = (struct newsnntp_group_info *)
 637                                                                         clist_content(cur);
 638                                 if (fprintf(fp, "%s %d %d %c\n",
 639                                         info->grp_name,
 640                                         info->grp_last,
 641                                         info->grp_first,
 642                                         info->grp_type) < 0) {
 643                                         log_error(LOG_PROTOCOL, ("Can't write newsgroup list\n"));
 644                                         session_destroy(SESSION(session));
 645                                         REMOTE_FOLDER(folder)->session = NULL;
 646                                         fclose(fp);
 647                                         g_free(filename);
 648                                         newsnntp_list_free(grouplist);
 649                                         return NULL;
 650                                 }
 651                         }
 652                         newsnntp_list_free(grouplist);
 653                 }
 654                 if (fclose(fp) == EOF) {
 655                         log_error(LOG_PROTOCOL, ("Can't write newsgroup list\n"));
 656                         session_destroy(SESSION(session));
 657                         REMOTE_FOLDER(folder)->session = NULL;
 658                         g_free(filename);
 659                         return NULL;
 660                 }
 661
 662                 if ((fp = g_fopen(filename, "rb")) == NULL) {
 663                         FILE_OP_ERROR(filename, "fopen");
 664                         g_free(filename);
 665                         return NULL;
 666                 }
 667         }
 668
 669         while (fgets(buf, sizeof(buf), fp) != NULL) {
 670                 gchar *p = buf;
 671                 gchar *name;
 672                 gint last_num;
 673                 gint first_num;
 674                 gchar type;
 675                 NewsGroupInfo *ginfo;
 676
 677                 p = strchr(p, ' ');
 678                 if (!p) continue;
 679                 *p = '\0';
 680                 p++;
 681                 name = buf;
 682
 683                 if (sscanf(p, "%d %d %c", &last_num, &first_num, &type) < 3)
 684                         continue;
 685
 686                 ginfo = news_group_info_new(name, first_num, last_num, type);
 687
 688                 if (!last)
 689                         last = list = g_slist_append(NULL, ginfo);
 690                 else {
 691                         last = g_slist_append(last, ginfo);
 692                         last = last->next;
 693                 }
 694         }
 695
 696         fclose(fp);
 697         g_free(filename);
 698
 699         list = g_slist_sort(list, (GCompareFunc)news_group_info_compare);
 700
 701         return list;
 702 }
 703
 704 void news_group_list_free(GSList *group_list)
 705 {
 706         GSList *cur;
 707
 708         if (!group_list) return;
 709
 710         for (cur = group_list; cur != NULL; cur = cur->next)
 711                 news_group_info_free((NewsGroupInfo *)cur->data);
 712         g_slist_free(group_list);
 713 }
 714
 715 void news_remove_group_list_cache(Folder *folder)
 716 {
 717         gchar *path, *filename;
 718
 719         cm_return_if_fail(folder != NULL);
 720         cm_return_if_fail(FOLDER_CLASS(folder) == &news_class);
 721
 722         path = folder_item_get_path(FOLDER_ITEM(folder->node->data));
 723         filename = g_strconcat(path, G_DIR_SEPARATOR_S, NEWSGROUP_LIST, NULL);
 724         g_free(path);
 725
 726         if (is_file_exist(filename)) {
 727                 if (remove(filename) < 0)
 728                         FILE_OP_ERROR(filename, "remove");
 729         }
 730         g_free(filename);
 731 }
 732
 733 gint news_post(Folder *folder, const gchar *file)
 734 {
 735         gint ok;
 736         char *contents = file_read_to_str_no_recode(file);
 737         NewsSession *session;
 738
 739         cm_return_val_if_fail(folder != NULL, -1);
 740         cm_return_val_if_fail(FOLDER_CLASS(folder) == &news_class, -1);
 741         cm_return_val_if_fail(contents != NULL, -1);
 742
 743         session = news_session_get(folder);
 744         if (!session)  {
 745                 g_free(contents);
 746                 return -1;
 747         }
 748
 749         ok = nntp_threaded_post(folder, contents, strlen(contents));
 750
 751         g_free(contents);
 752
 753         if (ok == NEWSNNTP_ERROR_STREAM) {
 754                 session_destroy(SESSION(session));
 755                 REMOTE_FOLDER(folder)->session = NULL;
 756         }
 757
 758         return (ok == NEWSNNTP_NO_ERROR ? 0 : -1);
 759 }
 760
 761 static gint news_get_article(Folder *folder, gint num, gchar *filename)
 762 {
 763         size_t len;
 764         char *result = NULL;
 765         int r;
 766
 767         r = nntp_threaded_article(folder, num, &result, &len);
 768
 769         if (r == NEWSNNTP_NO_ERROR) {
 770                 if (str_write_to_file(result, filename) < 0)
 771                         return -1;
 772                 g_free(result);
 773         }
 774
 775         return r;
 776 }
 777
 778 /**
 779  * news_select_group:
 780  * @session: Active NNTP session.
 781  * @group: Newsgroup name.
 782  * @num: Estimated number of articles.
 783  * @first: First article number.
 784  * @last: Last article number.
 785  *
 786  * Select newsgroup @group with the GROUP command if it is not already
 787  * selected in @session, or article numbers need to be returned.
 788  *
 789  * Return value: NNTP result code.
 790  **/
 791 static gint news_select_group(Folder *folder, const gchar *group,
 792                               gint *num, gint *first, gint *last)
 793 {
 794         gint ok;
 795         gint num_, first_, last_;
 796         struct newsnntp_group_info *info = NULL;
 797         NewsSession *session = NEWS_SESSION(news_session_get(folder));
 798
 799         cm_return_val_if_fail(session != NULL, -1);
 800
 801         if (!num || !first || !last) {
 802                 if (session->group && g_ascii_strcasecmp(session->group, group) == 0)
 803                         return NEWSNNTP_NO_ERROR;
 804                 num = &num_;
 805                 first = &first_;
 806                 last = &last_;
 807         }
 808
 809         g_free(session->group);
 810         session->group = NULL;
 811
 812         ok = nntp_threaded_group(folder, group, &info);
 813
 814         if (ok == NEWSNNTP_NO_ERROR && info) {
 815                 session->group = g_strdup(group);
 816                 *num = info->grp_first;
 817                 *first = info->grp_first;
 818                 *last = info->grp_last;
 819                 newsnntp_group_free(info);
 820         } else {
 821                 log_warning(LOG_PROTOCOL, _("couldn't select group: %s\n"), group);
 822         }
 823         return ok;
 824 }
 825
 826 static MsgInfo *news_parse_xover(struct newsnntp_xover_resp_item *item)
 827 {
 828         MsgInfo *msginfo;
 829
 830         /* set MsgInfo */
 831         msginfo = procmsg_msginfo_new();
 832         msginfo->msgnum = item->ovr_article;
 833         msginfo->size = item->ovr_size;
 834
 835         msginfo->date = g_strdup(item->ovr_date);
 836         msginfo->date_t = procheader_date_parse(NULL, item->ovr_date, 0);
 837
 838         msginfo->from = conv_unmime_header(item->ovr_author, NULL, TRUE);
 839         msginfo->fromname = procheader_get_fromname(msginfo->from);
 840
 841         msginfo->subject = conv_unmime_header(item->ovr_subject, NULL, TRUE);
 842
 843         remove_return(msginfo->from);
 844         remove_return(msginfo->fromname);
 845         remove_return(msginfo->subject);
 846
 847         if (item->ovr_message_id) {
 848                 gchar *tmp = g_strdup(item->ovr_message_id);
 849                 extract_parenthesis(tmp, '<', '>');
 850                 remove_space(tmp);
 851                 if (*tmp != '\0')
 852                         msginfo->msgid = g_strdup(tmp);
 853                 g_free(tmp);
 854         }
 855
 856         /* FIXME: this is a quick fix; references' meaning was changed
 857          * into having the actual list of references in the References: header.
 858          * We need a GSList here, so msginfo_free() and msginfo_copy() can do
 859          * their things properly. */
 860         if (item->ovr_references && *(item->ovr_references)) {
 861                 gchar **ref_tokens = g_strsplit(item->ovr_references, " ", -1);
 862                 guint i = 0;
 863                 char *tmp;
 864                 char *p;
 865                 while (ref_tokens[i]) {
 866                         gchar *cur_ref = ref_tokens[i];
 867                         msginfo->references = references_list_append(msginfo->references,
 868                                         cur_ref);
 869                         i++;
 870                 }
 871                 g_strfreev(ref_tokens);
 872
 873                 tmp = g_strdup(item->ovr_references);
 874                 eliminate_parenthesis(tmp, '(', ')');
 875                 if ((p = strrchr(tmp, '<')) != NULL) {
 876                         extract_parenthesis(p, '<', '>');
 877                         remove_space(p);
 878                         if (*p != '\0')
 879                                 msginfo->inreplyto = g_strdup(p);
 880                 }
 881                 g_free(tmp);
 882         }
 883
 884         return msginfo;
 885 }
 886
 887 gint news_cancel_article(Folder * folder, MsgInfo * msginfo)
 888 {
 889         gchar * tmp;
 890         FILE * tmpfp;
 891         gchar buf[BUFFSIZE];
 892
 893         tmp = g_strdup_printf("%s%ccancel%p", get_tmp_dir(),
 894                               G_DIR_SEPARATOR, msginfo);
 895         if (tmp == NULL)
 896                 return -1;
 897
 898         if ((tmpfp = g_fopen(tmp, "wb")) == NULL) {
 899                 FILE_OP_ERROR(tmp, "fopen");
 900                 return -1;
 901         }
 902         if (change_file_mode_rw(tmpfp, tmp) < 0) {
 903                 FILE_OP_ERROR(tmp, "chmod");
 904                 g_warning("can't change file mode\n");
 905         }
 906
 907         get_rfc822_date(buf, sizeof(buf));
 908         if (fprintf(tmpfp, "From: %s\r\n"
 909                        "Newsgroups: %s\r\n"
 910                        "Subject: cmsg cancel <%s>\r\n"
 911                        "Control: cancel <%s>\r\n"
 912                        "Approved: %s\r\n"
 913                        "X-Cancelled-by: %s\r\n"
 914                        "Date: %s\r\n"
 915                        "\r\n"
 916                        "removed with Claws Mail\r\n",
 917                        msginfo->from,
 918                        msginfo->newsgroups,
 919                        msginfo->msgid,
 920                        msginfo->msgid,
 921                        msginfo->from,
 922                        msginfo->from,
 923                        buf) < 0) {
 924                 FILE_OP_ERROR(tmp, "fprintf");
 925                 fclose(tmpfp);
 926                 claws_unlink(tmp);
 927                 g_free(tmp);
 928                 return -1;
 929         }
 930
 931         if (fclose(tmpfp) == EOF) {
 932                 FILE_OP_ERROR(tmp, "fclose");
 933                 claws_unlink(tmp);
 934                 g_free(tmp);
 935                 return -1;
 936         }
 937
 938         news_post(folder, tmp);
 939         remove(tmp);
 940
 941         g_free(tmp);
 942
 943         return 0;
 944 }
 945
 946 static gchar *news_folder_get_path(Folder *folder)
 947 {
 948         gchar *folder_path;
 949
 950         cm_return_val_if_fail(folder->account != NULL, NULL);
 951
 952         folder_path = g_strconcat(get_news_cache_dir(),
 953                                   G_DIR_SEPARATOR_S,
 954                                   folder->account->nntp_server,
 955                                   NULL);
 956         return folder_path;
 957 }
 958
 959 static gchar *news_item_get_path(Folder *folder, FolderItem *item)
 960 {
 961         gchar *folder_path, *path;
 962
 963         cm_return_val_if_fail(folder != NULL, NULL);
 964         cm_return_val_if_fail(item != NULL, NULL);
 965         folder_path = news_folder_get_path(folder);
 966
 967         cm_return_val_if_fail(folder_path != NULL, NULL);
 968         if (g_path_is_absolute(folder_path)) {
 969                 if (item->path)
 970                         path = g_strconcat(folder_path, G_DIR_SEPARATOR_S,
 971                                            item->path, NULL);
 972                 else
 973                         path = g_strdup(folder_path);
 974         } else {
 975                 if (item->path)
 976                         path = g_strconcat(get_home_dir(), G_DIR_SEPARATOR_S,
 977                                            folder_path, G_DIR_SEPARATOR_S,
 978                                            item->path, NULL);
 979                 else
 980                         path = g_strconcat(get_home_dir(), G_DIR_SEPARATOR_S,
 981                                            folder_path, NULL);
 982         }
 983         g_free(folder_path);
 984 #ifdef G_OS_WIN32
 985         while (strchr(path, '/'))
 986                 *strchr(path, '/') = '\\';
 987 #endif
 988         return path;
 989 }
 990
 991 static gint news_get_num_list(Folder *folder, FolderItem *item, GSList **msgnum_list, gboolean *old_uids_valid)
 992 {
 993         NewsSession *session;
 994         gint i, ok, num, first, last, nummsgs = 0;
 995         gchar *dir;
 996
 997         cm_return_val_if_fail(item != NULL, -1);
 998         cm_return_val_if_fail(item->folder != NULL, -1);
 999         cm_return_val_if_fail(FOLDER_CLASS(folder) == &news_class, -1);
1000
1001         session = news_session_get(folder);
1002         cm_return_val_if_fail(session != NULL, -1);
1003
1004         *old_uids_valid = TRUE;
1005
1006         news_folder_lock(NEWS_FOLDER(item->folder));
1007
1008         ok = news_select_group(folder, item->path, &num, &first, &last);
1009         if (ok != NEWSNNTP_NO_ERROR) {
1010                 log_warning(LOG_PROTOCOL, _("couldn't set group: %s\n"), item->path);
1011                 news_folder_unlock(NEWS_FOLDER(item->folder));
1012                 return -1;
1013         }
1014
1015         dir = news_folder_get_path(folder);
1016         if (num <= 0)
1017                 remove_all_numbered_files(dir);
1018         else if (last < first)
1019                 log_warning(LOG_PROTOCOL, _("invalid article range: %d - %d\n"),
1020                             first, last);
1021         else {
1022                 for (i = first; i <= last; i++) {
1023                         *msgnum_list = g_slist_prepend(*msgnum_list,
1024                                                        GINT_TO_POINTER(i));
1025                         nummsgs++;
1026                 }
1027                 debug_print("removing old messages from %d to %d in %s\n",
1028                             first, last, dir);
1029                 remove_numbered_files(dir, 1, first - 1);
1030         }
1031         g_free(dir);
1032         news_folder_unlock(NEWS_FOLDER(item->folder));
1033         return nummsgs;
1034 }
1035
1036 static void news_set_msg_flags(FolderItem *item, MsgInfo *msginfo)
1037 {
1038         msginfo->flags.tmp_flags = 0;
1039         if (item->folder->account->mark_crosspost_read && msginfo->msgid) {
1040                 if (item->folder->newsart &&
1041                     g_hash_table_lookup(item->folder->newsart, msginfo->msgid) != NULL) {
1042                         msginfo->flags.perm_flags = MSG_COLORLABEL_TO_FLAGS(item->folder->account->crosspost_col);
1043
1044                 } else {
1045                         if (!item->folder->newsart)
1046                                 item->folder->newsart = g_hash_table_new(g_str_hash, g_str_equal);
1047                         g_hash_table_insert(item->folder->newsart,
1048                                         g_strdup(msginfo->msgid), GINT_TO_POINTER(1));
1049                         msginfo->flags.perm_flags = MSG_NEW|MSG_UNREAD;
1050                 }
1051         } else {
1052                 msginfo->flags.perm_flags = MSG_NEW|MSG_UNREAD;
1053         }
1054 }
1055
1056 static void news_get_extra_fields(NewsSession *session, FolderItem *item, GSList *msglist)
1057 {
1058         MsgInfo *msginfo = NULL;
1059         gint ok;
1060         GSList *cur;
1061         clist *hdrlist = NULL;
1062         clistiter *hdr;
1063         gint first = -1, last = -1;
1064         GHashTable *hash_table;
1065
1066         cm_return_if_fail(session != NULL);
1067         cm_return_if_fail(item != NULL);
1068         cm_return_if_fail(item->folder != NULL);
1069         cm_return_if_fail(FOLDER_CLASS(item->folder) == &news_class);
1070
1071         news_folder_lock(NEWS_FOLDER(item->folder));
1072
1073         hash_table = g_hash_table_new(g_direct_hash, g_direct_equal);
1074
1075         for (cur = msglist; cur; cur = cur->next) {
1076                 msginfo = (MsgInfo *)cur->data;
1077                 if (first == -1 || msginfo->msgnum < first)
1078                         first = msginfo->msgnum;
1079                 if (last == -1 || msginfo->msgnum > last)
1080                         last = msginfo->msgnum;
1081                 g_hash_table_insert(hash_table,
1082                                 GINT_TO_POINTER(msginfo->msgnum), msginfo);
1083         }
1084
1085 /* Newsgroups */
1086         ok = nntp_threaded_xhdr(item->folder, "newsgroups", first, last, &hdrlist);
1087
1088         if (ok != NEWSNNTP_NO_ERROR) {
1089                 log_warning(LOG_PROTOCOL, _("couldn't get xhdr\n"));
1090                 if (ok == NEWSNNTP_ERROR_STREAM) {
1091                         session_destroy(SESSION(session));
1092                         REMOTE_FOLDER(item->folder)->session = NULL;
1093                 }
1094                 news_folder_unlock(NEWS_FOLDER(item->folder));
1095                 return;
1096         }
1097
1098         for (hdr = clist_begin(hdrlist); hdr; hdr = clist_next(hdr)) {
1099                 struct newsnntp_xhdr_resp_item *hdrval = clist_content(hdr);
1100                 msginfo = g_hash_table_lookup(hash_table, GINT_TO_POINTER(hdrval->hdr_article));
1101                 if (msginfo) {
1102                         if (msginfo->newsgroups)
1103                                 g_free(msginfo->newsgroups);
1104                         msginfo->newsgroups = g_strdup(hdrval->hdr_value);
1105                 }
1106         }
1107         newsnntp_xhdr_free(hdrlist);
1108
1109 /* To */
1110         ok = nntp_threaded_xhdr(item->folder, "to", first, last, &hdrlist);
1111
1112         if (ok != NEWSNNTP_NO_ERROR) {
1113                 log_warning(LOG_PROTOCOL, _("couldn't get xhdr\n"));
1114                 if (ok == NEWSNNTP_ERROR_STREAM) {
1115                         session_destroy(SESSION(session));
1116                         REMOTE_FOLDER(item->folder)->session = NULL;
1117                 }
1118                 news_folder_unlock(NEWS_FOLDER(item->folder));
1119                 return;
1120         }
1121
1122         for (hdr = clist_begin(hdrlist); hdr; hdr = clist_next(hdr)) {
1123                 struct newsnntp_xhdr_resp_item *hdrval = clist_content(hdr);
1124                 msginfo = g_hash_table_lookup(hash_table, GINT_TO_POINTER(hdrval->hdr_article));
1125                 if (msginfo) {
1126                         if (msginfo->to)
1127                                 g_free(msginfo->to);
1128                         msginfo->to = g_strdup(hdrval->hdr_value);
1129                 }
1130         }
1131         newsnntp_xhdr_free(hdrlist);
1132
1133 /* Cc */
1134         ok = nntp_threaded_xhdr(item->folder, "cc", first, last, &hdrlist);
1135
1136         if (ok != NEWSNNTP_NO_ERROR) {
1137                 log_warning(LOG_PROTOCOL, _("couldn't get xhdr\n"));
1138                 if (ok == NEWSNNTP_ERROR_STREAM) {
1139                         session_destroy(SESSION(session));
1140                         REMOTE_FOLDER(item->folder)->session = NULL;
1141                 }
1142                 news_folder_unlock(NEWS_FOLDER(item->folder));
1143                 return;
1144         }
1145
1146         for (hdr = clist_begin(hdrlist); hdr; hdr = clist_next(hdr)) {
1147                 struct newsnntp_xhdr_resp_item *hdrval = clist_content(hdr);
1148                 msginfo = g_hash_table_lookup(hash_table, GINT_TO_POINTER(hdrval->hdr_article));
1149                 if (msginfo) {
1150                         if (msginfo->cc)
1151                                 g_free(msginfo->cc);
1152                         msginfo->cc = g_strdup(hdrval->hdr_value);
1153                 }
1154         }
1155         newsnntp_xhdr_free(hdrlist);
1156
1157
1158         g_hash_table_destroy(hash_table);
1159         news_folder_unlock(NEWS_FOLDER(item->folder));
1160 }
1161
1162 static GSList *news_get_msginfos_for_range(NewsSession *session, FolderItem *item, guint begin, guint end)
1163 {
1164         GSList *newlist = NULL;
1165         GSList *llast = NULL;
1166         MsgInfo *msginfo;
1167         gint ok;
1168         clist *msglist = NULL;
1169         clistiter *cur;
1170         cm_return_val_if_fail(session != NULL, NULL);
1171         cm_return_val_if_fail(item != NULL, NULL);
1172
1173         log_message(LOG_PROTOCOL, _("getting xover %d - %d in %s...\n"),
1174                     begin, end, item->path);
1175
1176         news_folder_lock(NEWS_FOLDER(item->folder));
1177
1178         ok = news_select_group(item->folder, item->path, NULL, NULL, NULL);
1179         if (ok != NEWSNNTP_NO_ERROR) {
1180                 log_warning(LOG_PROTOCOL, _("couldn't set group: %s\n"), item->path);
1181                 news_folder_unlock(NEWS_FOLDER(item->folder));
1182                 return NULL;
1183         }
1184
1185         ok = nntp_threaded_xover(item->folder, begin, end, NULL, &msglist);
1186
1187         if (ok != NEWSNNTP_NO_ERROR) {
1188                 log_warning(LOG_PROTOCOL, _("couldn't get xover\n"));
1189                 if (ok == NEWSNNTP_ERROR_STREAM) {
1190                         session_destroy(SESSION(session));
1191                         REMOTE_FOLDER(item->folder)->session = NULL;
1192                 }
1193                 news_folder_unlock(NEWS_FOLDER(item->folder));
1194                 return NULL;
1195         }
1196
1197         if (msglist) {
1198                 for (cur = clist_begin(msglist); cur; cur = clist_next(cur)) {
1199                         struct newsnntp_xover_resp_item *ritem = (struct newsnntp_xover_resp_item *)clist_content(cur);
1200                         msginfo = news_parse_xover(ritem);
1201
1202                         if (!msginfo) {
1203                                 log_warning(LOG_PROTOCOL, _("invalid xover line\n"));
1204                                 continue;
1205                         }
1206
1207                         msginfo->folder = item;
1208                         news_set_msg_flags(item, msginfo);
1209                         msginfo->flags.tmp_flags |= MSG_NEWS;
1210
1211                         if (!newlist)
1212                                 llast = newlist = g_slist_append(newlist, msginfo);
1213                         else {
1214                                 llast = g_slist_append(llast, msginfo);
1215                                 llast = llast->next;
1216                         }
1217                 }
1218                 newsnntp_xover_resp_list_free(msglist);
1219         }
1220
1221         news_folder_unlock(NEWS_FOLDER(item->folder));
1222
1223         session_set_access_time(SESSION(session));
1224
1225         news_get_extra_fields(session, item, newlist);
1226
1227         return newlist;
1228 }
1229
1230 static MsgInfo *news_get_msginfo(Folder *folder, FolderItem *item, gint num)
1231 {
1232         GSList *msglist = NULL;
1233         NewsSession *session;
1234         MsgInfo *msginfo = NULL;
1235
1236         session = news_session_get(folder);
1237         cm_return_val_if_fail(session != NULL, NULL);
1238         cm_return_val_if_fail(item != NULL, NULL);
1239         cm_return_val_if_fail(item->folder != NULL, NULL);
1240         cm_return_val_if_fail(FOLDER_CLASS(item->folder) == &news_class, NULL);
1241
1242         msglist = news_get_msginfos_for_range(session, item, num, num);
1243
1244         if (msglist)
1245                 msginfo = msglist->data;
1246
1247         g_slist_free(msglist);
1248
1249         return msginfo;
1250 }
1251
1252 static GSList *news_get_msginfos(Folder *folder, FolderItem *item, GSList *msgnum_list)
1253 {
1254         NewsSession *session;
1255         GSList *elem, *msginfo_list = NULL, *tmp_msgnum_list, *tmp_msginfo_list;
1256         guint first, last, next;
1257         guint tofetch, fetched;
1258
1259         cm_return_val_if_fail(folder != NULL, NULL);
1260         cm_return_val_if_fail(FOLDER_CLASS(folder) == &news_class, NULL);
1261         cm_return_val_if_fail(msgnum_list != NULL, NULL);
1262         cm_return_val_if_fail(item != NULL, NULL);
1263
1264         session = news_session_get(folder);
1265         cm_return_val_if_fail(session != NULL, NULL);
1266
1267         tmp_msgnum_list = g_slist_copy(msgnum_list);
1268         tmp_msgnum_list = g_slist_sort(tmp_msgnum_list, g_int_compare);
1269
1270         progressindicator_start(PROGRESS_TYPE_NETWORK);
1271         tofetch = g_slist_length(tmp_msgnum_list);
1272         fetched = 0;
1273
1274         first = GPOINTER_TO_INT(tmp_msgnum_list->data);
1275         last = first;
1276
1277         news_folder_lock(NEWS_FOLDER(item->folder));
1278
1279         for(elem = g_slist_next(tmp_msgnum_list); elem != NULL; elem = g_slist_next(elem)) {
1280                 next = GPOINTER_TO_INT(elem->data);
1281                 if(next != (last + 1)) {
1282 /*                      session->fetch_base_percentage = ((gfloat) fetched) / ((gfloat) tofetch);
1283                         session->fetch_total_percentage = ((gfloat) (last - first + 1)) / ((gfloat) tofetch);
1284 */
1285                         tmp_msginfo_list = news_get_msginfos_for_range(session, item, first, last);
1286                         msginfo_list = g_slist_concat(msginfo_list, tmp_msginfo_list);
1287                         fetched = last - first + 1;
1288                         first = next;
1289                 }
1290                 last = next;
1291         }
1292
1293         news_folder_unlock(NEWS_FOLDER(item->folder));
1294
1295 /*      session->fetch_base_percentage = ((gfloat) fetched) / ((gfloat) tofetch);
1296         session->fetch_total_percentage = ((gfloat) (last - first + 1)) / ((gfloat) tofetch);
1297 */
1298         tmp_msginfo_list = news_get_msginfos_for_range(session, item, first, last);
1299         msginfo_list = g_slist_concat(msginfo_list, tmp_msginfo_list);
1300
1301         g_slist_free(tmp_msgnum_list);
1302
1303         progressindicator_stop(PROGRESS_TYPE_NETWORK);
1304
1305         return msginfo_list;
1306 }
1307
1308 static gboolean news_scan_required(Folder *folder, FolderItem *item)
1309 {
1310         return TRUE;
1311 }
1312
1313 void news_synchronise(FolderItem *item, gint days)
1314 {
1315         news_gtk_synchronise(item, days);
1316 }
1317
1318 static gint news_rename_folder(Folder *folder, FolderItem *item,
1319                                 const gchar *name)
1320 {
1321         gchar *path;
1322
1323         cm_return_val_if_fail(folder != NULL, -1);
1324         cm_return_val_if_fail(item != NULL, -1);
1325         cm_return_val_if_fail(item->path != NULL, -1);
1326         cm_return_val_if_fail(name != NULL, -1);
1327
1328         path = folder_item_get_path(item);
1329         if (!is_dir_exist(path))
1330                 make_dir_hier(path);
1331
1332         g_free(item->name);
1333         item->name = g_strdup(name);
1334
1335         return 0;
1336 }
1337
1338 static gint news_remove_folder(Folder *folder, FolderItem *item)
1339 {
1340         gchar *path;
1341
1342         cm_return_val_if_fail(folder != NULL, -1);
1343         cm_return_val_if_fail(item != NULL, -1);
1344         cm_return_val_if_fail(item->path != NULL, -1);
1345
1346         path = folder_item_get_path(item);
1347         if (remove_dir_recursive(path) < 0) {
1348                 g_warning("can't remove directory `%s'\n", path);
1349                 g_free(path);
1350                 return -1;
1351         }
1352
1353         g_free(path);
1354         folder_item_remove(item);
1355         return 0;
1356 }
1357
1358 #else
1359 #include <glib.h>
1360 #include <glib/gi18n.h>
1361 #include <gtk/gtk.h>
1362 #include "folder.h"
1363 #include "alertpanel.h"
1364
1365 static FolderClass news_class;
1366
1367 static void warn_etpan(void)
1368 {
1369         static gboolean missing_news_warning = TRUE;
1370         if (missing_news_warning) {
1371                 missing_news_warning = FALSE;
1372                 alertpanel_error(
1373                         _("You have one or more News accounts "
1374                           "defined. However this version of "
1375                           "Claws Mail has been built without "
1376                           "News support; your News account(s) are "
1377                           "disabled.\n\n"
1378                           "You probably need to "
1379                           "install libetpan and recompile "
1380                           "Claws Mail."));
1381         }
1382 }
1383 static Folder *news_folder_new(const gchar *name, const gchar *path)
1384 {
1385         warn_etpan();
1386         return NULL;
1387 }
1388 void news_group_list_free(GSList *group_list)
1389 {
1390         warn_etpan();
1391 }
1392 void news_remove_group_list_cache(Folder *folder)
1393 {
1394         warn_etpan();
1395 }
1396 int news_folder_locked(Folder *folder)
1397 {
1398         warn_etpan();
1399         return 0;
1400 }
1401 gint news_post(Folder *folder, const gchar *file)
1402 {
1403         warn_etpan();
1404         return -1;
1405 }
1406
1407 gint news_cancel_article(Folder * folder, MsgInfo * msginfo)
1408 {
1409         warn_etpan();
1410         return -1;
1411 }
1412
1413 GSList *news_get_group_list(Folder *folder)
1414 {
1415         warn_etpan();
1416         return NULL;
1417 }
1418
1419
1420 FolderClass *news_get_class(void)
1421 {
1422         if (news_class.idstr == NULL) {
1423                 news_class.type = F_NEWS;
1424                 news_class.idstr = "news";
1425                 news_class.uistr = "News";
1426
1427                 /* Folder functions */
1428                 news_class.new_folder = news_folder_new;
1429         };
1430
1431         return &news_class;
1432 }
1433
1434
1435 #endif