src/news.c

   1 /*
   2  * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
   3  * Copyright (C) 1999-2009 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, _("creating NNTP connection to %s:%d ...\n"), server, port);
 296
 297         session = g_new0(NewsSession, 1);
 298         session_init(SESSION(session), folder->account, FALSE);
 299         SESSION(session)->type             = SESSION_NEWS;
 300         SESSION(session)->server           = g_strdup(server);
 301         SESSION(session)->sock             = NULL;
 302         SESSION(session)->destroy          = news_session_destroy;
 303
 304         nntp_init(folder);
 305
 306 #ifdef USE_GNUTLS
 307         if (ssl_type != SSL_NONE)
 308                 r = nntp_threaded_connect_ssl(folder, server, port);
 309         else
 310 #endif
 311                 r = nntp_threaded_connect(folder, server, port);
 312
 313         if (r != NEWSNNTP_NO_ERROR) {
 314                 log_error(LOG_PROTOCOL, _("Error logging in to %s:%d ...\n"), server, port);
 315                 session_destroy(SESSION(session));
 316                 return NULL;
 317         }
 318
 319         return SESSION(session);
 320 }
 321
 322 static Session *news_session_new_for_folder(Folder *folder)
 323 {
 324         Session *session;
 325         PrefsAccount *ac;
 326         const gchar *userid = NULL;
 327         gchar *passwd = NULL;
 328         gushort port;
 329
 330         cm_return_val_if_fail(folder != NULL, NULL);
 331         cm_return_val_if_fail(folder->account != NULL, NULL);
 332
 333         ac = folder->account;
 334         if (ac->use_nntp_auth && ac->userid && ac->userid[0]) {
 335                 userid = ac->userid;
 336                 if (ac->passwd && ac->passwd[0])
 337                         passwd = g_strdup(ac->passwd);
 338                 else
 339                         passwd = input_dialog_query_password_keep(ac->nntp_server,
 340                                                                   userid,
 341                                                                   &(ac->session_passwd));
 342         }
 343
 344 #ifdef USE_GNUTLS
 345         port = ac->set_nntpport ? ac->nntpport
 346                 : ac->ssl_nntp ? NNTPS_PORT : NNTP_PORT;
 347         session = news_session_new(folder, ac->nntp_server, port, userid, passwd,
 348                                    ac->ssl_nntp);
 349 #else
 350         if (ac->ssl_nntp != SSL_NONE) {
 351                 if (alertpanel_full(_("Insecure connection"),
 352                         _("This connection is configured to be secured "
 353                           "using SSL, but SSL is not available in this "
 354                           "build of Claws Mail. \n\n"
 355                           "Do you want to continue connecting to this "
 356                           "server? The communication would not be "
 357                           "secure."),
 358                           GTK_STOCK_CANCEL, _("Con_tinue connecting"),
 359                           NULL, FALSE, NULL, ALERT_WARNING,
 360                           G_ALERTDEFAULT) != G_ALERTALTERNATE)
 361                         return NULL;
 362         }
 363         port = ac->set_nntpport ? ac->nntpport : NNTP_PORT;
 364         session = news_session_new(folder, ac->nntp_server, port, userid, passwd);
 365 #endif
 366
 367         if ((session != NULL) && ac->use_nntp_auth) { /* FIXME:  && ac->use_nntp_auth_onconnect */
 368                 if (nntp_threaded_login(folder, userid, passwd) !=
 369                         NEWSNNTP_NO_ERROR) {
 370                         log_error(LOG_PROTOCOL, _("Error authenticating to %s:%d ...\n"), ac->nntp_server, port);
 371                         session_destroy(SESSION(session));
 372                         g_free(passwd);
 373                         if (ac->session_passwd) {
 374                                 g_free(ac->session_passwd);
 375                                 ac->session_passwd = NULL;
 376                         }
 377                         return NULL;
 378                 }
 379         }
 380         g_free(passwd);
 381
 382         return session;
 383 }
 384
 385 static NewsSession *news_session_get(Folder *folder)
 386 {
 387         RemoteFolder *rfolder = REMOTE_FOLDER(folder);
 388         struct tm lt;
 389         int r;
 390
 391         cm_return_val_if_fail(folder != NULL, NULL);
 392         cm_return_val_if_fail(FOLDER_CLASS(folder) == &news_class, NULL);
 393         cm_return_val_if_fail(folder->account != NULL, NULL);
 394
 395         if (prefs_common.work_offline &&
 396             !inc_offline_should_override(FALSE,
 397                 _("Claws Mail needs network access in order "
 398                   "to access the News server."))) {
 399                 return NULL;
 400         }
 401
 402         if (!rfolder->session) {
 403                 rfolder->session = news_session_new_for_folder(folder);
 404                 return NEWS_SESSION(rfolder->session);
 405         }
 406
 407         if (time(NULL) - rfolder->session->last_access_time <
 408                 SESSION_TIMEOUT_INTERVAL) {
 409                 return NEWS_SESSION(rfolder->session);
 410         }
 411
 412         if ((r = nntp_threaded_date(folder, &lt)) != NEWSNNTP_NO_ERROR) {
 413                 if (r != NEWSNNTP_ERROR_COMMAND_NOT_SUPPORTED &&
 414                     r != NEWSNNTP_ERROR_COMMAND_NOT_UNDERSTOOD) {
 415                         log_warning(LOG_PROTOCOL, _("NNTP connection to %s:%d has been"
 416                               " disconnected. Reconnecting...\n"),
 417                             folder->account->nntp_server,
 418                             folder->account->set_nntpport ?
 419                             folder->account->nntpport : NNTP_PORT);
 420                         session_destroy(rfolder->session);
 421                         rfolder->session = news_session_new_for_folder(folder);
 422                 }
 423         }
 424
 425         if (rfolder->session)
 426                 session_set_access_time(rfolder->session);
 427
 428         return NEWS_SESSION(rfolder->session);
 429 }
 430
 431 static void news_remove_cached_msg(Folder *folder, FolderItem *item, MsgInfo *msginfo)
 432 {
 433         gchar *path, *filename;
 434
 435         path = folder_item_get_path(item);
 436
 437         if (!is_dir_exist(path)) {
 438                 g_free(path);
 439                 return;
 440         }
 441
 442         filename = g_strconcat(path, G_DIR_SEPARATOR_S, itos(msginfo->msgnum), NULL);
 443         g_free(path);
 444
 445         if (is_file_exist(filename)) {
 446                 claws_unlink(filename);
 447         }
 448         g_free(filename);
 449 }
 450
 451 static gchar *news_fetch_msg(Folder *folder, FolderItem *item, gint num)
 452 {
 453         gchar *path, *filename;
 454         NewsSession *session;
 455         gint ok;
 456
 457         cm_return_val_if_fail(folder != NULL, NULL);
 458         cm_return_val_if_fail(item != NULL, NULL);
 459
 460         path = folder_item_get_path(item);
 461         if (!is_dir_exist(path))
 462                 make_dir_hier(path);
 463         filename = g_strconcat(path, G_DIR_SEPARATOR_S, itos(num), NULL);
 464         g_free(path);
 465
 466         if (is_file_exist(filename)) {
 467                 debug_print("article %d has been already cached.\n", num);
 468                 return filename;
 469         }
 470
 471         session = news_session_get(folder);
 472         if (!session) {
 473                 g_free(filename);
 474                 return NULL;
 475         }
 476
 477         ok = news_select_group(folder, item->path, NULL, NULL, NULL);
 478         if (ok != NEWSNNTP_NO_ERROR) {
 479                 if (ok == NEWSNNTP_ERROR_STREAM) {
 480                         session_destroy(SESSION(session));
 481                         REMOTE_FOLDER(folder)->session = NULL;
 482                 }
 483                 g_free(filename);
 484                 return NULL;
 485         }
 486
 487         debug_print("getting article %d...\n", num);
 488         ok = news_get_article(folder,
 489                               num, filename);
 490         if (ok != NEWSNNTP_NO_ERROR) {
 491                 g_warning("can't read article %d\n", num);
 492                 if (ok == NEWSNNTP_ERROR_STREAM) {
 493                         session_destroy(SESSION(session));
 494                         REMOTE_FOLDER(folder)->session = NULL;
 495                 }
 496                 g_free(filename);
 497                 return NULL;
 498         }
 499         GTK_EVENTS_FLUSH();
 500         return filename;
 501 }
 502
 503 static NewsGroupInfo *news_group_info_new(const gchar *name,
 504                                           gint first, gint last, gchar type)
 505 {
 506         NewsGroupInfo *ginfo;
 507
 508         ginfo = g_new(NewsGroupInfo, 1);
 509         ginfo->name = g_strdup(name);
 510         ginfo->first = first;
 511         ginfo->last = last;
 512         ginfo->type = type;
 513
 514         return ginfo;
 515 }
 516
 517 static void news_group_info_free(NewsGroupInfo *ginfo)
 518 {
 519         g_free(ginfo->name);
 520         g_free(ginfo);
 521 }
 522
 523 static gint news_group_info_compare(NewsGroupInfo *ginfo1,
 524                                     NewsGroupInfo *ginfo2)
 525 {
 526         return g_ascii_strcasecmp(ginfo1->name, ginfo2->name);
 527 }
 528
 529 GSList *news_get_group_list(Folder *folder)
 530 {
 531         gchar *path, *filename;
 532         FILE *fp;
 533         GSList *list = NULL;
 534         GSList *last = NULL;
 535         gchar buf[BUFFSIZE];
 536
 537         cm_return_val_if_fail(folder != NULL, NULL);
 538         cm_return_val_if_fail(FOLDER_CLASS(folder) == &news_class, NULL);
 539
 540         path = folder_item_get_path(FOLDER_ITEM(folder->node->data));
 541         if (!is_dir_exist(path))
 542                 make_dir_hier(path);
 543         filename = g_strconcat(path, G_DIR_SEPARATOR_S, NEWSGROUP_LIST, NULL);
 544         g_free(path);
 545
 546         if ((fp = g_fopen(filename, "rb")) == NULL) {
 547                 NewsSession *session;
 548                 gint ok;
 549                 clist *grouplist = NULL;
 550                 clistiter *cur;
 551                 fp = g_fopen(filename, "wb");
 552
 553                 if (!fp) {
 554                         g_free(filename);
 555                         return NULL;
 556                 }
 557                 session = news_session_get(folder);
 558                 if (!session) {
 559                         fclose(fp);
 560                         g_free(filename);
 561                         return NULL;
 562                 }
 563
 564                 ok = nntp_threaded_list(folder, &grouplist);
 565
 566                 if (ok != NEWSNNTP_NO_ERROR) {
 567                         if (ok == NEWSNNTP_ERROR_STREAM) {
 568                                 session_destroy(SESSION(session));
 569                                 REMOTE_FOLDER(folder)->session = NULL;
 570                         }
 571                         fclose(fp);
 572                         g_free(filename);
 573                         return NULL;
 574                 }
 575
 576                 if (grouplist) {
 577                         for (cur = clist_begin(grouplist); cur; cur = clist_next(cur)) {
 578                                 struct newsnntp_group_info *info = (struct newsnntp_group_info *)
 579                                                                         clist_content(cur);
 580                                 if (fprintf(fp, "%s %d %d %c\n",
 581                                         info->grp_name,
 582                                         info->grp_last,
 583                                         info->grp_first,
 584                                         info->grp_type) < 0) {
 585                                         log_error(LOG_PROTOCOL, ("Can't write newsgroup list\n"));
 586                                         session_destroy(SESSION(session));
 587                                         REMOTE_FOLDER(folder)->session = NULL;
 588                                         fclose(fp);
 589                                         g_free(filename);
 590                                         newsnntp_list_free(grouplist);
 591                                         return NULL;
 592                                 }
 593                         }
 594                         newsnntp_list_free(grouplist);
 595                 }
 596                 if (fclose(fp) == EOF) {
 597                         log_error(LOG_PROTOCOL, ("Can't write newsgroup list\n"));
 598                         session_destroy(SESSION(session));
 599                         REMOTE_FOLDER(folder)->session = NULL;
 600                         g_free(filename);
 601                         return NULL;
 602                 }
 603
 604                 if ((fp = g_fopen(filename, "rb")) == NULL) {
 605                         FILE_OP_ERROR(filename, "fopen");
 606                         g_free(filename);
 607                         return NULL;
 608                 }
 609         }
 610
 611         while (fgets(buf, sizeof(buf), fp) != NULL) {
 612                 gchar *p = buf;
 613                 gchar *name;
 614                 gint last_num;
 615                 gint first_num;
 616                 gchar type;
 617                 NewsGroupInfo *ginfo;
 618
 619                 p = strchr(p, ' ');
 620                 if (!p) continue;
 621                 *p = '\0';
 622                 p++;
 623                 name = buf;
 624
 625                 if (sscanf(p, "%d %d %c", &last_num, &first_num, &type) < 3)
 626                         continue;
 627
 628                 ginfo = news_group_info_new(name, first_num, last_num, type);
 629
 630                 if (!last)
 631                         last = list = g_slist_append(NULL, ginfo);
 632                 else {
 633                         last = g_slist_append(last, ginfo);
 634                         last = last->next;
 635                 }
 636         }
 637
 638         fclose(fp);
 639         g_free(filename);
 640
 641         list = g_slist_sort(list, (GCompareFunc)news_group_info_compare);
 642
 643         return list;
 644 }
 645
 646 void news_group_list_free(GSList *group_list)
 647 {
 648         GSList *cur;
 649
 650         if (!group_list) return;
 651
 652         for (cur = group_list; cur != NULL; cur = cur->next)
 653                 news_group_info_free((NewsGroupInfo *)cur->data);
 654         g_slist_free(group_list);
 655 }
 656
 657 void news_remove_group_list_cache(Folder *folder)
 658 {
 659         gchar *path, *filename;
 660
 661         cm_return_if_fail(folder != NULL);
 662         cm_return_if_fail(FOLDER_CLASS(folder) == &news_class);
 663
 664         path = folder_item_get_path(FOLDER_ITEM(folder->node->data));
 665         filename = g_strconcat(path, G_DIR_SEPARATOR_S, NEWSGROUP_LIST, NULL);
 666         g_free(path);
 667
 668         if (is_file_exist(filename)) {
 669                 if (remove(filename) < 0)
 670                         FILE_OP_ERROR(filename, "remove");
 671         }
 672         g_free(filename);
 673 }
 674
 675 gint news_post(Folder *folder, const gchar *file)
 676 {
 677         gint ok;
 678         char *contents = file_read_to_str_no_recode(file);
 679         NewsSession *session;
 680
 681         cm_return_val_if_fail(folder != NULL, -1);
 682         cm_return_val_if_fail(FOLDER_CLASS(folder) == &news_class, -1);
 683         cm_return_val_if_fail(contents != NULL, -1);
 684
 685         session = news_session_get(folder);
 686         if (!session)  {
 687                 g_free(contents);
 688                 return -1;
 689         }
 690
 691         ok = nntp_threaded_post(folder, contents, strlen(contents));
 692
 693         if (ok != NEWSNNTP_NO_ERROR && ok != NEWSNNTP_ERROR_STREAM) {
 694                 ok = nntp_threaded_mode_reader(folder);
 695                 if (ok == NEWSNNTP_NO_ERROR)
 696                         ok = nntp_threaded_post(folder, contents, strlen(contents));
 697         }
 698         g_free(contents);
 699
 700         if (ok == NEWSNNTP_ERROR_STREAM) {
 701                 session_destroy(SESSION(session));
 702                 REMOTE_FOLDER(folder)->session = NULL;
 703         }
 704
 705         return (ok == NEWSNNTP_NO_ERROR ? 0 : -1);
 706 }
 707
 708 static gint news_get_article(Folder *folder, gint num, gchar *filename)
 709 {
 710         size_t len;
 711         char *result = NULL;
 712         int r;
 713
 714         r = nntp_threaded_article(folder, num, &result, &len);
 715
 716         if (r == NEWSNNTP_NO_ERROR) {
 717                 if (str_write_to_file(result, filename) < 0)
 718                         return -1;
 719                 g_free(result);
 720         }
 721
 722         return r;
 723 }
 724
 725 /**
 726  * news_select_group:
 727  * @session: Active NNTP session.
 728  * @group: Newsgroup name.
 729  * @num: Estimated number of articles.
 730  * @first: First article number.
 731  * @last: Last article number.
 732  *
 733  * Select newsgroup @group with the GROUP command if it is not already
 734  * selected in @session, or article numbers need to be returned.
 735  *
 736  * Return value: NNTP result code.
 737  **/
 738 static gint news_select_group(Folder *folder, const gchar *group,
 739                               gint *num, gint *first, gint *last)
 740 {
 741         gint ok;
 742         gint num_, first_, last_;
 743         struct newsnntp_group_info *info = NULL;
 744         NewsSession *session = NEWS_SESSION(news_session_get(folder));
 745
 746         cm_return_val_if_fail(session != NULL, -1);
 747
 748         if (!num || !first || !last) {
 749                 if (session->group && g_ascii_strcasecmp(session->group, group) == 0)
 750                         return NEWSNNTP_NO_ERROR;
 751                 num = &num_;
 752                 first = &first_;
 753                 last = &last_;
 754         }
 755
 756         g_free(session->group);
 757         session->group = NULL;
 758
 759         ok = nntp_threaded_group(folder, group, &info);
 760
 761         if (ok != NEWSNNTP_NO_ERROR &&
 762             ok != NEWSNNTP_ERROR_STREAM &&
 763             ok != NEWSNNTP_WARNING_REQUEST_AUTHORIZATION_USERNAME) {
 764                 ok = nntp_threaded_mode_reader(folder);
 765                 if (ok == NEWSNNTP_NO_ERROR)
 766                         ok = nntp_threaded_group(folder, group, &info);
 767         }
 768
 769         if (ok == NEWSNNTP_NO_ERROR && info) {
 770                 session->group = g_strdup(group);
 771                 *num = info->grp_first;
 772                 *first = info->grp_first;
 773                 *last = info->grp_last;
 774                 newsnntp_group_free(info);
 775         } else {
 776                 log_warning(LOG_PROTOCOL, _("couldn't select group: %s\n"), group);
 777         }
 778         return ok;
 779 }
 780
 781 static MsgInfo *news_parse_xover(struct newsnntp_xover_resp_item *item)
 782 {
 783         MsgInfo *msginfo;
 784
 785         /* set MsgInfo */
 786         msginfo = procmsg_msginfo_new();
 787         msginfo->msgnum = item->ovr_article;
 788         msginfo->size = item->ovr_size;
 789
 790         msginfo->date = g_strdup(item->ovr_date);
 791         msginfo->date_t = procheader_date_parse(NULL, item->ovr_date, 0);
 792
 793         msginfo->from = conv_unmime_header(item->ovr_author, NULL);
 794         msginfo->fromname = procheader_get_fromname(msginfo->from);
 795
 796         msginfo->subject = conv_unmime_header(item->ovr_subject, NULL);
 797
 798         remove_return(msginfo->from);
 799         remove_return(msginfo->fromname);
 800         remove_return(msginfo->subject);
 801
 802         if (item->ovr_message_id) {
 803                 gchar *tmp = g_strdup(item->ovr_message_id);
 804                 extract_parenthesis(tmp, '<', '>');
 805                 remove_space(tmp);
 806                 if (*tmp != '\0')
 807                         msginfo->msgid = g_strdup(tmp);
 808                 g_free(tmp);
 809         }
 810
 811         /* FIXME: this is a quick fix; references' meaning was changed
 812          * into having the actual list of references in the References: header.
 813          * We need a GSList here, so msginfo_free() and msginfo_copy() can do
 814          * their things properly. */
 815         if (item->ovr_references && *(item->ovr_references)) {
 816                 gchar **ref_tokens = g_strsplit(item->ovr_references, " ", -1);
 817                 guint i = 0;
 818                 char *tmp;
 819                 char *p;
 820                 while (ref_tokens[i]) {
 821                         gchar *cur_ref = ref_tokens[i];
 822                         msginfo->references = references_list_append(msginfo->references,
 823                                         cur_ref);
 824                         i++;
 825                 }
 826                 g_strfreev(ref_tokens);
 827
 828                 tmp = g_strdup(item->ovr_references);
 829                 eliminate_parenthesis(tmp, '(', ')');
 830                 if ((p = strrchr(tmp, '<')) != NULL) {
 831                         extract_parenthesis(p, '<', '>');
 832                         remove_space(p);
 833                         if (*p != '\0')
 834                                 msginfo->inreplyto = g_strdup(p);
 835                 }
 836                 g_free(tmp);
 837         }
 838
 839         return msginfo;
 840 }
 841
 842 gint news_cancel_article(Folder * folder, MsgInfo * msginfo)
 843 {
 844         gchar * tmp;
 845         FILE * tmpfp;
 846         gchar buf[BUFFSIZE];
 847
 848         tmp = g_strdup_printf("%s%ccancel%p", get_tmp_dir(),
 849                               G_DIR_SEPARATOR, msginfo);
 850         if (tmp == NULL)
 851                 return -1;
 852
 853         if ((tmpfp = g_fopen(tmp, "wb")) == NULL) {
 854                 FILE_OP_ERROR(tmp, "fopen");
 855                 return -1;
 856         }
 857         if (change_file_mode_rw(tmpfp, tmp) < 0) {
 858                 FILE_OP_ERROR(tmp, "chmod");
 859                 g_warning("can't change file mode\n");
 860         }
 861
 862         get_rfc822_date(buf, sizeof(buf));
 863         if (fprintf(tmpfp, "From: %s\r\n"
 864                        "Newsgroups: %s\r\n"
 865                        "Subject: cmsg cancel <%s>\r\n"
 866                        "Control: cancel <%s>\r\n"
 867                        "Approved: %s\r\n"
 868                        "X-Cancelled-by: %s\r\n"
 869                        "Date: %s\r\n"
 870                        "\r\n"
 871                        "removed with Claws Mail\r\n",
 872                        msginfo->from,
 873                        msginfo->newsgroups,
 874                        msginfo->msgid,
 875                        msginfo->msgid,
 876                        msginfo->from,
 877                        msginfo->from,
 878                        buf) < 0) {
 879                 FILE_OP_ERROR(tmp, "fprintf");
 880                 fclose(tmpfp);
 881                 claws_unlink(tmp);
 882                 g_free(tmp);
 883                 return -1;
 884         }
 885
 886         if (fclose(tmpfp) == EOF) {
 887                 FILE_OP_ERROR(tmp, "fclose");
 888                 claws_unlink(tmp);
 889                 g_free(tmp);
 890                 return -1;
 891         }
 892
 893         news_post(folder, tmp);
 894         remove(tmp);
 895
 896         g_free(tmp);
 897
 898         return 0;
 899 }
 900
 901 static gchar *news_folder_get_path(Folder *folder)
 902 {
 903         gchar *folder_path;
 904
 905         cm_return_val_if_fail(folder->account != NULL, NULL);
 906
 907         folder_path = g_strconcat(get_news_cache_dir(),
 908                                   G_DIR_SEPARATOR_S,
 909                                   folder->account->nntp_server,
 910                                   NULL);
 911         return folder_path;
 912 }
 913
 914 static gchar *news_item_get_path(Folder *folder, FolderItem *item)
 915 {
 916         gchar *folder_path, *path;
 917
 918         cm_return_val_if_fail(folder != NULL, NULL);
 919         cm_return_val_if_fail(item != NULL, NULL);
 920         folder_path = news_folder_get_path(folder);
 921
 922         cm_return_val_if_fail(folder_path != NULL, NULL);
 923         if (g_path_is_absolute(folder_path)) {
 924                 if (item->path)
 925                         path = g_strconcat(folder_path, G_DIR_SEPARATOR_S,
 926                                            item->path, NULL);
 927                 else
 928                         path = g_strdup(folder_path);
 929         } else {
 930                 if (item->path)
 931                         path = g_strconcat(get_home_dir(), G_DIR_SEPARATOR_S,
 932                                            folder_path, G_DIR_SEPARATOR_S,
 933                                            item->path, NULL);
 934                 else
 935                         path = g_strconcat(get_home_dir(), G_DIR_SEPARATOR_S,
 936                                            folder_path, NULL);
 937         }
 938         g_free(folder_path);
 939 #ifdef G_OS_WIN32
 940         while (strchr(path, '/'))
 941                 *strchr(path, '/') = '\\';
 942 #endif
 943         return path;
 944 }
 945
 946 static gint news_get_num_list(Folder *folder, FolderItem *item, GSList **msgnum_list, gboolean *old_uids_valid)
 947 {
 948         NewsSession *session;
 949         gint i, ok, num, first, last, nummsgs = 0;
 950         gchar *dir;
 951
 952         cm_return_val_if_fail(item != NULL, -1);
 953         cm_return_val_if_fail(item->folder != NULL, -1);
 954         cm_return_val_if_fail(FOLDER_CLASS(folder) == &news_class, -1);
 955
 956         session = news_session_get(folder);
 957         cm_return_val_if_fail(session != NULL, -1);
 958
 959         *old_uids_valid = TRUE;
 960
 961         news_folder_lock(NEWS_FOLDER(item->folder));
 962
 963         ok = news_select_group(folder, item->path, &num, &first, &last);
 964         if (ok != NEWSNNTP_NO_ERROR) {
 965                 log_warning(LOG_PROTOCOL, _("couldn't set group: %s\n"), item->path);
 966                 news_folder_unlock(NEWS_FOLDER(item->folder));
 967                 return -1;
 968         }
 969
 970         dir = news_folder_get_path(folder);
 971         if (num <= 0)
 972                 remove_all_numbered_files(dir);
 973         else if (last < first)
 974                 log_warning(LOG_PROTOCOL, _("invalid article range: %d - %d\n"),
 975                             first, last);
 976         else {
 977                 for (i = first; i <= last; i++) {
 978                         *msgnum_list = g_slist_prepend(*msgnum_list,
 979                                                        GINT_TO_POINTER(i));
 980                         nummsgs++;
 981                 }
 982                 debug_print("removing old messages from %d to %d in %s\n",
 983                             first, last, dir);
 984                 remove_numbered_files(dir, 1, first - 1);
 985         }
 986         g_free(dir);
 987         news_folder_unlock(NEWS_FOLDER(item->folder));
 988         return nummsgs;
 989 }
 990
 991 static void news_set_msg_flags(FolderItem *item, MsgInfo *msginfo)
 992 {
 993         msginfo->flags.tmp_flags = 0;
 994         if (item->folder->account->mark_crosspost_read && msginfo->msgid) {
 995                 if (item->folder->newsart &&
 996                     g_hash_table_lookup(item->folder->newsart, msginfo->msgid) != NULL) {
 997                         msginfo->flags.perm_flags = MSG_COLORLABEL_TO_FLAGS(item->folder->account->crosspost_col);
 998
 999                 } else {
1000                         if (!item->folder->newsart)
1001                                 item->folder->newsart = g_hash_table_new(g_str_hash, g_str_equal);
1002                         g_hash_table_insert(item->folder->newsart,
1003                                         g_strdup(msginfo->msgid), GINT_TO_POINTER(1));
1004                         msginfo->flags.perm_flags = MSG_NEW|MSG_UNREAD;
1005                 }
1006         } else {
1007                 msginfo->flags.perm_flags = MSG_NEW|MSG_UNREAD;
1008         }
1009 }
1010
1011 static void news_get_extra_fields(NewsSession *session, FolderItem *item, GSList *msglist)
1012 {
1013         MsgInfo *msginfo = NULL;
1014         gint ok;
1015         GSList *cur;
1016         clist *hdrlist = NULL;
1017         clistiter *hdr;
1018         gint first = -1, last = -1;
1019         GHashTable *hash_table;
1020
1021         cm_return_if_fail(session != NULL);
1022         cm_return_if_fail(item != NULL);
1023         cm_return_if_fail(item->folder != NULL);
1024         cm_return_if_fail(FOLDER_CLASS(item->folder) == &news_class);
1025
1026         news_folder_lock(NEWS_FOLDER(item->folder));
1027
1028         hash_table = g_hash_table_new(g_direct_hash, g_direct_equal);
1029
1030         for (cur = msglist; cur; cur = cur->next) {
1031                 msginfo = (MsgInfo *)cur->data;
1032                 if (first == -1 || msginfo->msgnum < first)
1033                         first = msginfo->msgnum;
1034                 if (last == -1 || msginfo->msgnum > last)
1035                         last = msginfo->msgnum;
1036                 g_hash_table_insert(hash_table,
1037                                 GINT_TO_POINTER(msginfo->msgnum), msginfo);
1038         }
1039
1040 /* Newsgroups */
1041         ok = nntp_threaded_xhdr(item->folder, "newsgroups", first, last, &hdrlist);
1042
1043         if (ok != NEWSNNTP_NO_ERROR) {
1044                 log_warning(LOG_PROTOCOL, _("couldn't get xhdr\n"));
1045                 if (ok == NEWSNNTP_ERROR_STREAM) {
1046                         session_destroy(SESSION(session));
1047                         REMOTE_FOLDER(item->folder)->session = NULL;
1048                 }
1049                 news_folder_unlock(NEWS_FOLDER(item->folder));
1050                 return;
1051         }
1052
1053         for (hdr = clist_begin(hdrlist); hdr; hdr = clist_next(hdr)) {
1054                 struct newsnntp_xhdr_resp_item *hdrval = clist_content(hdr);
1055                 msginfo = g_hash_table_lookup(hash_table, GINT_TO_POINTER(hdrval->hdr_article));
1056                 if (msginfo) {
1057                         if (msginfo->newsgroups)
1058                                 g_free(msginfo->newsgroups);
1059                         msginfo->newsgroups = g_strdup(hdrval->hdr_value);
1060                 }
1061         }
1062         newsnntp_xhdr_free(hdrlist);
1063
1064 /* To */
1065         ok = nntp_threaded_xhdr(item->folder, "to", first, last, &hdrlist);
1066
1067         if (ok != NEWSNNTP_NO_ERROR) {
1068                 log_warning(LOG_PROTOCOL, _("couldn't get xhdr\n"));
1069                 if (ok == NEWSNNTP_ERROR_STREAM) {
1070                         session_destroy(SESSION(session));
1071                         REMOTE_FOLDER(item->folder)->session = NULL;
1072                 }
1073                 news_folder_unlock(NEWS_FOLDER(item->folder));
1074                 return;
1075         }
1076
1077         for (hdr = clist_begin(hdrlist); hdr; hdr = clist_next(hdr)) {
1078                 struct newsnntp_xhdr_resp_item *hdrval = clist_content(hdr);
1079                 msginfo = g_hash_table_lookup(hash_table, GINT_TO_POINTER(hdrval->hdr_article));
1080                 if (msginfo) {
1081                         if (msginfo->to)
1082                                 g_free(msginfo->to);
1083                         msginfo->to = g_strdup(hdrval->hdr_value);
1084                 }
1085         }
1086         newsnntp_xhdr_free(hdrlist);
1087
1088 /* Cc */
1089         ok = nntp_threaded_xhdr(item->folder, "cc", first, last, &hdrlist);
1090
1091         if (ok != NEWSNNTP_NO_ERROR) {
1092                 log_warning(LOG_PROTOCOL, _("couldn't get xhdr\n"));
1093                 if (ok == NEWSNNTP_ERROR_STREAM) {
1094                         session_destroy(SESSION(session));
1095                         REMOTE_FOLDER(item->folder)->session = NULL;
1096                 }
1097                 news_folder_unlock(NEWS_FOLDER(item->folder));
1098                 return;
1099         }
1100
1101         for (hdr = clist_begin(hdrlist); hdr; hdr = clist_next(hdr)) {
1102                 struct newsnntp_xhdr_resp_item *hdrval = clist_content(hdr);
1103                 msginfo = g_hash_table_lookup(hash_table, GINT_TO_POINTER(hdrval->hdr_article));
1104                 if (msginfo) {
1105                         if (msginfo->cc)
1106                                 g_free(msginfo->cc);
1107                         msginfo->cc = g_strdup(hdrval->hdr_value);
1108                 }
1109         }
1110         newsnntp_xhdr_free(hdrlist);
1111
1112
1113         g_hash_table_destroy(hash_table);
1114         news_folder_unlock(NEWS_FOLDER(item->folder));
1115 }
1116
1117 static GSList *news_get_msginfos_for_range(NewsSession *session, FolderItem *item, guint begin, guint end)
1118 {
1119         GSList *newlist = NULL;
1120         GSList *llast = NULL;
1121         MsgInfo *msginfo;
1122         gint ok;
1123         clist *msglist = NULL;
1124         clistiter *cur;
1125         cm_return_val_if_fail(session != NULL, NULL);
1126         cm_return_val_if_fail(item != NULL, NULL);
1127
1128         log_message(LOG_PROTOCOL, _("getting xover %d - %d in %s...\n"),
1129                     begin, end, item->path);
1130
1131         news_folder_lock(NEWS_FOLDER(item->folder));
1132
1133         ok = nntp_threaded_xover(item->folder, begin, end, NULL, &msglist);
1134
1135         if (ok != NEWSNNTP_NO_ERROR) {
1136                 log_warning(LOG_PROTOCOL, _("couldn't get xover\n"));
1137                 if (ok == NEWSNNTP_ERROR_STREAM) {
1138                         session_destroy(SESSION(session));
1139                         REMOTE_FOLDER(item->folder)->session = NULL;
1140                 }
1141                 news_folder_unlock(NEWS_FOLDER(item->folder));
1142                 return NULL;
1143         }
1144
1145         if (msglist) {
1146                 for (cur = clist_begin(msglist); cur; cur = clist_next(cur)) {
1147                         struct newsnntp_xover_resp_item *ritem = (struct newsnntp_xover_resp_item *)clist_content(cur);
1148                         msginfo = news_parse_xover(ritem);
1149
1150                         if (!msginfo) {
1151                                 log_warning(LOG_PROTOCOL, _("invalid xover line\n"));
1152                                 continue;
1153                         }
1154
1155                         msginfo->folder = item;
1156                         news_set_msg_flags(item, msginfo);
1157                         msginfo->flags.tmp_flags |= MSG_NEWS;
1158
1159                         if (!newlist)
1160                                 llast = newlist = g_slist_append(newlist, msginfo);
1161                         else {
1162                                 llast = g_slist_append(llast, msginfo);
1163                                 llast = llast->next;
1164                         }
1165                 }
1166                 newsnntp_xover_resp_list_free(msglist);
1167         }
1168
1169         news_folder_unlock(NEWS_FOLDER(item->folder));
1170
1171         session_set_access_time(SESSION(session));
1172
1173         news_get_extra_fields(session, item, newlist);
1174
1175         return newlist;
1176 }
1177
1178 static MsgInfo *news_get_msginfo(Folder *folder, FolderItem *item, gint num)
1179 {
1180         GSList *msglist = NULL;
1181         NewsSession *session;
1182         MsgInfo *msginfo = NULL;
1183
1184         session = news_session_get(folder);
1185         cm_return_val_if_fail(session != NULL, NULL);
1186         cm_return_val_if_fail(item != NULL, NULL);
1187         cm_return_val_if_fail(item->folder != NULL, NULL);
1188         cm_return_val_if_fail(FOLDER_CLASS(item->folder) == &news_class, NULL);
1189
1190         msglist = news_get_msginfos_for_range(session, item, num, num);
1191
1192         if (msglist)
1193                 msginfo = msglist->data;
1194
1195         g_slist_free(msglist);
1196
1197         return msginfo;
1198 }
1199
1200 static GSList *news_get_msginfos(Folder *folder, FolderItem *item, GSList *msgnum_list)
1201 {
1202         NewsSession *session;
1203         GSList *elem, *msginfo_list = NULL, *tmp_msgnum_list, *tmp_msginfo_list;
1204         guint first, last, next;
1205         guint tofetch, fetched;
1206
1207         cm_return_val_if_fail(folder != NULL, NULL);
1208         cm_return_val_if_fail(FOLDER_CLASS(folder) == &news_class, NULL);
1209         cm_return_val_if_fail(msgnum_list != NULL, NULL);
1210         cm_return_val_if_fail(item != NULL, NULL);
1211
1212         session = news_session_get(folder);
1213         cm_return_val_if_fail(session != NULL, NULL);
1214
1215         tmp_msgnum_list = g_slist_copy(msgnum_list);
1216         tmp_msgnum_list = g_slist_sort(tmp_msgnum_list, g_int_compare);
1217
1218         progressindicator_start(PROGRESS_TYPE_NETWORK);
1219         tofetch = g_slist_length(tmp_msgnum_list);
1220         fetched = 0;
1221
1222         first = GPOINTER_TO_INT(tmp_msgnum_list->data);
1223         last = first;
1224
1225         news_folder_lock(NEWS_FOLDER(item->folder));
1226
1227         for(elem = g_slist_next(tmp_msgnum_list); elem != NULL; elem = g_slist_next(elem)) {
1228                 next = GPOINTER_TO_INT(elem->data);
1229                 if(next != (last + 1)) {
1230 /*                      session->fetch_base_percentage = ((gfloat) fetched) / ((gfloat) tofetch);
1231                         session->fetch_total_percentage = ((gfloat) (last - first + 1)) / ((gfloat) tofetch);
1232 */
1233                         tmp_msginfo_list = news_get_msginfos_for_range(session, item, first, last);
1234                         msginfo_list = g_slist_concat(msginfo_list, tmp_msginfo_list);
1235                         fetched = last - first + 1;
1236                         first = next;
1237                 }
1238                 last = next;
1239         }
1240
1241         news_folder_unlock(NEWS_FOLDER(item->folder));
1242
1243 /*      session->fetch_base_percentage = ((gfloat) fetched) / ((gfloat) tofetch);
1244         session->fetch_total_percentage = ((gfloat) (last - first + 1)) / ((gfloat) tofetch);
1245 */
1246         tmp_msginfo_list = news_get_msginfos_for_range(session, item, first, last);
1247         msginfo_list = g_slist_concat(msginfo_list, tmp_msginfo_list);
1248
1249         g_slist_free(tmp_msgnum_list);
1250
1251         progressindicator_stop(PROGRESS_TYPE_NETWORK);
1252
1253         return msginfo_list;
1254 }
1255
1256 static gboolean news_scan_required(Folder *folder, FolderItem *item)
1257 {
1258         return TRUE;
1259 }
1260
1261 void news_synchronise(FolderItem *item, gint days)
1262 {
1263         news_gtk_synchronise(item, days);
1264 }
1265
1266 static gint news_rename_folder(Folder *folder, FolderItem *item,
1267                                 const gchar *name)
1268 {
1269         gchar *path;
1270
1271         cm_return_val_if_fail(folder != NULL, -1);
1272         cm_return_val_if_fail(item != NULL, -1);
1273         cm_return_val_if_fail(item->path != NULL, -1);
1274         cm_return_val_if_fail(name != NULL, -1);
1275
1276         path = folder_item_get_path(item);
1277         if (!is_dir_exist(path))
1278                 make_dir_hier(path);
1279
1280         g_free(item->name);
1281         item->name = g_strdup(name);
1282
1283         return 0;
1284 }
1285
1286 static gint news_remove_folder(Folder *folder, FolderItem *item)
1287 {
1288         gchar *path;
1289
1290         cm_return_val_if_fail(folder != NULL, -1);
1291         cm_return_val_if_fail(item != NULL, -1);
1292         cm_return_val_if_fail(item->path != NULL, -1);
1293
1294         path = folder_item_get_path(item);
1295         if (remove_dir_recursive(path) < 0) {
1296                 g_warning("can't remove directory `%s'\n", path);
1297                 g_free(path);
1298                 return -1;
1299         }
1300
1301         g_free(path);
1302         folder_item_remove(item);
1303         return 0;
1304 }
1305
1306 #else
1307 #include <glib.h>
1308 #include <glib/gi18n.h>
1309 #include <gtk/gtk.h>
1310 #include "folder.h"
1311 #include "alertpanel.h"
1312
1313 static FolderClass news_class;
1314
1315 static void warn_etpan(void)
1316 {
1317         static gboolean missing_news_warning = TRUE;
1318         if (missing_news_warning) {
1319                 missing_news_warning = FALSE;
1320                 alertpanel_error(
1321                         _("You have one or more News accounts "
1322                           "defined. However this version of "
1323                           "Claws Mail has been built without "
1324                           "News support; your News account(s) are "
1325                           "disabled.\n\n"
1326                           "You probably need to "
1327                           "install libetpan and recompile "
1328                           "Claws Mail."));
1329         }
1330 }
1331 static Folder *news_folder_new(const gchar *name, const gchar *path)
1332 {
1333         warn_etpan();
1334         return NULL;
1335 }
1336 void news_group_list_free(GSList *group_list)
1337 {
1338         warn_etpan();
1339 }
1340 void news_remove_group_list_cache(Folder *folder)
1341 {
1342         warn_etpan();
1343 }
1344 int news_folder_locked(Folder *folder)
1345 {
1346         warn_etpan();
1347         return 0;
1348 }
1349 gint news_post(Folder *folder, const gchar *file)
1350 {
1351         warn_etpan();
1352         return -1;
1353 }
1354
1355 gint news_cancel_article(Folder * folder, MsgInfo * msginfo)
1356 {
1357         warn_etpan();
1358         return -1;
1359 }
1360
1361 GSList *news_get_group_list(Folder *folder)
1362 {
1363         warn_etpan();
1364         return NULL;
1365 }
1366
1367
1368 FolderClass *news_get_class(void)
1369 {
1370         if (news_class.idstr == NULL) {
1371                 news_class.type = F_NEWS;
1372                 news_class.idstr = "news";
1373                 news_class.uistr = "News";
1374
1375                 /* Folder functions */
1376                 news_class.new_folder = news_folder_new;
1377         };
1378
1379         return &news_class;
1380 }
1381
1382
1383 #endif