src/news.c

   1 /*
   2  * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
   3  * Copyright (C) 1999,2000 Hiroyuki Yamamoto
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; either version 2 of the License, or
   8  * (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License
  16  * along with this program; if not, write to the Free Software
  17  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  18  */
  19
  20 #ifdef HAVE_CONFIG_H
  21 #  include "config.h"
  22 #endif
  23
  24 #include "defs.h"
  25
  26 #include <glib.h>
  27 #include <stdio.h>
  28 #include <string.h>
  29 #include <stdlib.h>
  30 #include <dirent.h>
  31 #include <unistd.h>
  32
  33 #include "intl.h"
  34 #include "news.h"
  35 #include "nntp.h"
  36 #include "socket.h"
  37 #include "recv.h"
  38 #include "procmsg.h"
  39 #include "procheader.h"
  40 #include "folder.h"
  41 #include "session.h"
  42 #include "statusbar.h"
  43 #include "codeconv.h"
  44 #include "utils.h"
  45 #include "prefs_common.h"
  46 #include "prefs_account.h"
  47 #include "inputdialog.h"
  48 #include "alertpanel.h"
  49
  50 static gint news_get_article_cmd         (NNTPSession   *session,
  51                                           const gchar   *cmd,
  52                                           gint           num,
  53                                           gchar         *filename);
  54 static gint news_get_article             (NNTPSession   *session,
  55                                           gint           num,
  56                                           gchar         *filename);
  57 static gint news_get_header              (NNTPSession   *session,
  58                                           gint           num,
  59                                           gchar         *filename);
  60
  61 static gint news_select_group            (NNTPSession   *session,
  62                                           const char    *group);
  63 static GSList *news_get_uncached_articles(NNTPSession   *session,
  64                                           FolderItem    *item,
  65                                           gint           cache_last,
  66                                           gint          *rfirst,
  67                                           gint          *rlast);
  68 static MsgInfo *news_parse_xover         (const gchar   *xover_str);
  69 static gchar * news_parse_xhdr           (const gchar *xover_str,
  70                                           MsgInfo * info);
  71 static GSList *news_delete_old_article   (GSList        *alist,
  72                                           gint           first);
  73 static void news_delete_all_article      (FolderItem    *item);
  74
  75
  76 static Session *news_session_new(const gchar *server, gushort port,
  77                                  const gchar *userid, const gchar *passwd)
  78 {
  79         gchar buf[NNTPBUFSIZE];
  80         NNTPSession *session;
  81         NNTPSockInfo *nntp_sock;
  82
  83         g_return_val_if_fail(server != NULL, NULL);
  84
  85         log_message(_("creating NNTP connection to %s:%d ...\n"), server, port);
  86
  87         if (userid && passwd)
  88                 nntp_sock = nntp_open_auth(server, port, buf, userid, passwd);
  89         else
  90                 nntp_sock = nntp_open(server, port, buf);
  91         if (nntp_sock == NULL)
  92                 return NULL;
  93
  94         session = g_new(NNTPSession, 1);
  95         SESSION(session)->type      = SESSION_NEWS;
  96         SESSION(session)->server    = g_strdup(server);
  97         session->nntp_sock          = nntp_sock;
  98         SESSION(session)->sock      = nntp_sock->sock;
  99         SESSION(session)->connected = TRUE;
 100         SESSION(session)->phase     = SESSION_READY;
 101         SESSION(session)->data      = NULL;
 102         session->group = NULL;
 103
 104         return SESSION(session);
 105 }
 106
 107 void news_session_destroy(NNTPSession *session)
 108 {
 109         nntp_close(session->nntp_sock);
 110         session->nntp_sock = NULL;
 111         SESSION(session)->sock = NULL;
 112
 113         g_free(session->group);
 114 }
 115
 116 static gchar *news_query_password(const gchar *server,
 117                                   const gchar *user)
 118 {
 119         gchar *message;
 120         gchar *pass;
 121
 122         message = g_strdup_printf(_("Input password for %s on %s:"),
 123                                   user, server);
 124
 125         pass = input_dialog_with_invisible(_("Input password"),
 126                                            message, NULL);
 127         g_free(message);
 128 /*      manage_window_focus_in(inc_dialog->mainwin->window, */
 129 /*                             NULL, NULL); */
 130         return pass;
 131 }
 132
 133 static Session *news_session_new_for_folder(Folder *folder)
 134 {
 135         Session *session;
 136         PrefsAccount *ac;
 137         const gchar *userid;
 138         gchar *passwd;
 139
 140         ac = folder->account;
 141         if (ac->use_nntp_auth && ac->userid && ac->userid[0]) {
 142                 userid = ac->userid;
 143                 if (ac->passwd && ac->passwd[0])
 144                         passwd = g_strdup(ac->passwd);
 145                 else {
 146                         passwd = news_query_password(ac->nntp_server, userid);
 147                         if (!passwd)
 148                                 userid = NULL;
 149                 }
 150         } else {
 151                 userid = passwd = NULL;
 152         }
 153         session = news_session_new(ac->nntp_server, 119, userid, passwd);
 154         g_free(passwd);
 155         return session;
 156 }
 157
 158 NNTPSession *news_session_get(Folder *folder)
 159 {
 160         NNTPSession *session;
 161
 162         g_return_val_if_fail(folder != NULL, NULL);
 163         g_return_val_if_fail(folder->type == F_NEWS, NULL);
 164         g_return_val_if_fail(folder->account != NULL, NULL);
 165
 166         if (!REMOTE_FOLDER(folder)->session) {
 167                 REMOTE_FOLDER(folder)->session =
 168                         news_session_new_for_folder(folder);
 169         } else {
 170                 session = NNTP_SESSION(REMOTE_FOLDER(folder)->session);
 171                 if (nntp_mode(session->nntp_sock, FALSE) != NN_SUCCESS) {
 172                         log_warning(_("NNTP connection to %s:%d has been"
 173                                       " disconnected. Reconnecting...\n"),
 174                                     folder->account->nntp_server, 119);
 175                         session_destroy(REMOTE_FOLDER(folder)->session);
 176                         REMOTE_FOLDER(folder)->session =
 177                                 news_session_new_for_folder(folder);
 178                 }
 179         }
 180
 181         return NNTP_SESSION(REMOTE_FOLDER(folder)->session);
 182 }
 183
 184 GSList *news_get_article_list(Folder *folder, FolderItem *item,
 185                               gboolean use_cache)
 186 {
 187         GSList *alist;
 188         NNTPSession *session;
 189
 190         g_return_val_if_fail(folder != NULL, NULL);
 191         g_return_val_if_fail(item != NULL, NULL);
 192         g_return_val_if_fail(folder->type == F_NEWS, NULL);
 193
 194         session = news_session_get(folder);
 195
 196         if (!session) {
 197                 alist = procmsg_read_cache(item, FALSE);
 198                 item->last_num = procmsg_get_last_num_in_cache(alist);
 199         } else if (use_cache) {
 200                 GSList *newlist;
 201                 gint cache_last;
 202                 gint first, last;
 203
 204                 alist = procmsg_read_cache(item, FALSE);
 205
 206                 cache_last = procmsg_get_last_num_in_cache(alist);
 207                 newlist = news_get_uncached_articles
 208                         (session, item, cache_last, &first, &last);
 209                 alist = news_delete_old_article(alist, first);
 210
 211                 alist = g_slist_concat(alist, newlist);
 212                 item->last_num = last;
 213         } else {
 214                 gint last;
 215
 216                 alist = news_get_uncached_articles
 217                         (session, item, 0, NULL, &last);
 218                 news_delete_all_article(item);
 219                 item->last_num = last;
 220         }
 221
 222         procmsg_set_flags(alist, item);
 223
 224         statusbar_pop_all();
 225
 226         return alist;
 227 }
 228
 229 gchar *news_fetch_msg(Folder *folder, FolderItem *item, gint num)
 230 {
 231         gchar *path, *filename;
 232         gint ok;
 233
 234         g_return_val_if_fail(folder != NULL, NULL);
 235         g_return_val_if_fail(item != NULL, NULL);
 236
 237         path = folder_item_get_path(item);
 238         filename = g_strconcat(path, G_DIR_SEPARATOR_S, itos(num), NULL);
 239         g_free(path);
 240
 241         if (is_file_exist(filename)) {
 242                 debug_print(_("article %d has been already cached.\n"), num);
 243                 return filename;
 244         }
 245
 246         if (!REMOTE_FOLDER(folder)->session) {
 247                 g_free(filename);
 248                 return NULL;
 249         }
 250
 251         ok = news_select_group(NNTP_SESSION(REMOTE_FOLDER(folder)->session),
 252                                item->path);
 253         if (ok != NN_SUCCESS) {
 254                 g_warning(_("can't select group %s\n"), item->path);
 255                 g_free(filename);
 256                 return NULL;
 257         }
 258
 259         debug_print(_("getting article %d...\n"), num);
 260         ok = news_get_article(NNTP_SESSION(REMOTE_FOLDER(folder)->session),
 261                               num, filename);
 262         statusbar_pop_all();
 263         if (ok < 0) {
 264                 g_warning(_("can't read article %d\n"), num);
 265                 g_free(filename);
 266                 return NULL;
 267         }
 268
 269         return filename;
 270 }
 271
 272 void news_scan_group(Folder *folder, FolderItem *item)
 273 {
 274 }
 275
 276 gint news_post(Folder *folder, const gchar *file)
 277 {
 278         NNTPSession *session;
 279         FILE *fp;
 280         gint ok;
 281
 282         g_return_val_if_fail(folder != NULL, -1);
 283         g_return_val_if_fail(folder->type == F_NEWS, -1);
 284         g_return_val_if_fail(file != NULL, -1);
 285
 286         session = news_session_get(folder);
 287         if (!session) return -1;
 288
 289         if ((fp = fopen(file, "r")) == NULL) {
 290                 FILE_OP_ERROR(file, "fopen");
 291                 return -1;
 292         }
 293
 294         ok = nntp_post(session->nntp_sock, fp);
 295         if (ok != NN_SUCCESS) {
 296                 log_warning(_("can't post article.\n"));
 297                 return -1;
 298         }
 299
 300         fclose(fp);
 301
 302         statusbar_pop_all();
 303
 304         return 0;
 305 }
 306
 307 static gint news_get_article_cmd(NNTPSession *session, const gchar *cmd,
 308                                  gint num, gchar *filename)
 309 {
 310         gchar *msgid;
 311
 312         if (nntp_get_article(session->nntp_sock, cmd, num, &msgid)
 313             != NN_SUCCESS)
 314                 return -1;
 315
 316         debug_print("Message-Id = %s, num = %d\n", msgid, num);
 317         g_free(msgid);
 318
 319         if (recv_write_to_file(session->nntp_sock->sock, filename) < 0) {
 320                 log_warning(_("can't retrieve article %d\n"), num);
 321                 return -1;
 322         }
 323
 324         return 0;
 325 }
 326
 327 static gint news_get_article(NNTPSession *session, gint num, gchar *filename)
 328 {
 329         return news_get_article_cmd(session, "ARTICLE", num, filename);
 330 }
 331
 332 static gint news_get_header(NNTPSession *session, gint num, gchar *filename)
 333 {
 334         return news_get_article_cmd(session, "HEAD", num, filename);
 335 }
 336
 337 /**
 338  * news_select_group:
 339  * @session: Active NNTP session.
 340  * @group: Newsgroup name.
 341  *
 342  * Select newsgroup @group with the GROUP command if it is not already
 343  * selected in @session.
 344  *
 345  * Return value: NNTP result code.
 346  **/
 347 static gint news_select_group(NNTPSession *session,
 348                               const char *group)
 349 {
 350         gint ok;
 351         gint num, first, last;
 352
 353         if (g_strcasecmp(session->group, group) == 0)
 354                 return NN_SUCCESS;
 355
 356         g_free(session->group);
 357         session->group = NULL;
 358
 359         ok = nntp_group(session->nntp_sock, group, &num, &first, &last);
 360
 361         if (ok == NN_SUCCESS)
 362                 session->group = g_strdup(group);
 363
 364         return ok;
 365 }
 366
 367 static GSList *news_get_uncached_articles(NNTPSession *session,
 368                                           FolderItem *item, gint cache_last,
 369                                           gint *rfirst, gint *rlast)
 370 {
 371         gint ok;
 372         gint num = 0, first = 0, last = 0, begin = 0, end = 0;
 373         gchar buf[NNTPBUFSIZE];
 374         GSList *newlist = NULL;
 375         GSList *llast = NULL;
 376         MsgInfo *msginfo;
 377
 378         if (rfirst) *rfirst = 0;
 379         if (rlast)  *rlast  = 0;
 380
 381         g_return_val_if_fail(session != NULL, NULL);
 382         g_return_val_if_fail(item != NULL, NULL);
 383         g_return_val_if_fail(item->folder != NULL, NULL);
 384         g_return_val_if_fail(item->folder->type == F_NEWS, NULL);
 385
 386         g_free(session->group);
 387         session->group = NULL;
 388
 389         ok = nntp_group(session->nntp_sock, item->path,
 390                         &num, &first, &last);
 391         if (ok != NN_SUCCESS) {
 392                 log_warning(_("can't set group: %s\n"), item->path);
 393                 return NULL;
 394         }
 395
 396         session->group = g_strdup(item->path);
 397
 398         /* calculate getting overview range */
 399         if (first > last) {
 400                 log_warning(_("invalid article range: %d - %d\n"),
 401                             first, last);
 402                 return NULL;
 403         }
 404         if (cache_last < first)
 405                 begin = first;
 406         else if (last < cache_last)
 407                 begin = first;
 408         else if (last == cache_last) {
 409                 debug_print(_("no new articles.\n"));
 410                 return NULL;
 411         } else
 412                 begin = cache_last + 1;
 413         end = last;
 414
 415         if (prefs_common.max_articles > 0 &&
 416             end - begin + 1 > prefs_common.max_articles)
 417                 begin = end - prefs_common.max_articles + 1;
 418
 419         log_message(_("getting xover %d - %d in %s...\n"),
 420                     begin, end, item->path);
 421         if (nntp_xover(session->nntp_sock, begin, end) != NN_SUCCESS) {
 422                 log_warning(_("can't get xover\n"));
 423                 return NULL;
 424         }
 425
 426         for (;;) {
 427                 if (sock_gets(SESSION(session)->sock, buf, sizeof(buf)) < 0) {
 428                         log_warning(_("error occurred while getting xover.\n"));
 429                         return newlist;
 430                 }
 431
 432                 if (buf[0] == '.' && buf[1] == '\r') break;
 433
 434                 msginfo = news_parse_xover(buf);
 435                 if (!msginfo) {
 436                         log_warning(_("invalid xover line: %s\n"), buf);
 437                         continue;
 438                 }
 439
 440                 msginfo->folder = item;
 441                 msginfo->flags = MSG_NEW|MSG_UNREAD|MSG_NEWS;
 442                 msginfo->newsgroups = g_strdup(item->path);
 443
 444                 if (!newlist)
 445                         llast = newlist = g_slist_append(newlist, msginfo);
 446                 else {
 447                         llast = g_slist_append(llast, msginfo);
 448                         llast = llast->next;
 449                 }
 450         }
 451
 452         if (nntp_xhdr(session->nntp_sock, "to", begin, end) != NN_SUCCESS) {
 453                 log_warning(_("can't get xhdr\n"));
 454                 return NULL;
 455         }
 456
 457         llast = newlist;
 458
 459         for (;;) {
 460                 gchar * value;
 461
 462                 if (sock_gets(SESSION(session)->sock, buf, sizeof(buf)) < 0) {
 463                         log_warning(_("error occurred while getting xover.\n"));
 464                         return newlist;
 465                 }
 466
 467                 if (buf[0] == '.' && buf[1] == '\r') break;
 468
 469                 msginfo = (MsgInfo *) llast->data;
 470
 471                 value = news_parse_xhdr(buf, msginfo);
 472
 473                 if (value)
 474                         msginfo->to = value;
 475
 476                 llast = llast->next;
 477
 478         }
 479
 480         if (nntp_xhdr(session->nntp_sock, "cc", begin, end) != NN_SUCCESS) {
 481                 log_warning(_("can't get xhdr\n"));
 482                 return NULL;
 483         }
 484
 485         llast = newlist;
 486
 487         for (;;) {
 488                 gchar * value;
 489
 490                 if (sock_gets(SESSION(session)->sock, buf, sizeof(buf)) < 0) {
 491                         log_warning(_("error occurred while getting xover.\n"));
 492                         return newlist;
 493                 }
 494
 495                 if (buf[0] == '.' && buf[1] == '\r') break;
 496
 497                 msginfo = (MsgInfo *) llast->data;
 498
 499                 value = news_parse_xhdr(buf, msginfo);
 500
 501                 if (value)
 502                         msginfo->cc = value;
 503
 504                 llast = llast->next;
 505         }
 506
 507         if (rfirst) *rfirst = first;
 508         if (rlast)  *rlast  = last;
 509         return newlist;
 510 }
 511
 512 #define PARSE_ONE_PARAM(p, srcp) \
 513 { \
 514         p = strchr(srcp, '\t'); \
 515         if (!p) return NULL; \
 516         else \
 517                 *p++ = '\0'; \
 518 }
 519
 520 static MsgInfo *news_parse_xover(const gchar *xover_str)
 521 {
 522         MsgInfo *msginfo;
 523         gchar buf[NNTPBUFSIZE];
 524         gchar *subject, *sender, *size, *line, *date, *msgid, *ref, *tmp;
 525         gchar *p;
 526         gint num, size_int, line_int;
 527         gchar *xover_buf;
 528
 529         Xalloca(xover_buf, strlen(xover_str) + 1, return NULL);
 530         strcpy(xover_buf, xover_str);
 531
 532         PARSE_ONE_PARAM(subject, xover_buf);
 533         PARSE_ONE_PARAM(sender, subject);
 534         PARSE_ONE_PARAM(date, sender);
 535         PARSE_ONE_PARAM(msgid, date);
 536         PARSE_ONE_PARAM(ref, msgid);
 537         PARSE_ONE_PARAM(size, ref);
 538         PARSE_ONE_PARAM(line, size);
 539
 540         tmp = strchr(line, '\t');
 541         if (!tmp) tmp = strchr(line, '\r');
 542         if (!tmp) tmp = strchr(line, '\n');
 543         if (tmp) *tmp = '\0';
 544
 545         num = atoi(xover_str);
 546         size_int = atoi(size);
 547         line_int = atoi(line);
 548
 549         /* set MsgInfo */
 550         msginfo = g_new0(MsgInfo, 1);
 551         msginfo->msgnum = num;
 552         msginfo->size = size_int;
 553
 554         msginfo->date = g_strdup(date);
 555         msginfo->date_t = procheader_date_parse(NULL, date, 0);
 556
 557         conv_unmime_header(buf, sizeof(buf), sender, NULL);
 558         msginfo->from = g_strdup(buf);
 559         msginfo->fromname = procheader_get_fromname(buf);
 560
 561         conv_unmime_header(buf, sizeof(buf), subject, NULL);
 562         msginfo->subject = g_strdup(buf);
 563
 564         extract_parenthesis(msgid, '<', '>');
 565         remove_space(msgid);
 566         if (*msgid != '\0')
 567                 msginfo->msgid = g_strdup(msgid);
 568
 569         msginfo->references = g_strdup(ref);
 570         eliminate_parenthesis(ref, '(', ')');
 571         if ((p = strrchr(ref, '<')) != NULL) {
 572                 extract_parenthesis(p, '<', '>');
 573                 remove_space(p);
 574                 if (*p != '\0')
 575                         msginfo->inreplyto = g_strdup(p);
 576         }
 577
 578         return msginfo;
 579 }
 580
 581 static gchar * news_parse_xhdr(const gchar *xover_str, MsgInfo * info)
 582 {
 583         gchar buf[NNTPBUFSIZE];
 584         gchar *p;
 585         gint num;
 586         gchar * tmp;
 587
 588         p = strchr(xover_str, ' ');
 589         if (!p)
 590                 return NULL;
 591         else
 592                 p++;
 593
 594         num = atoi(xover_str);
 595
 596         if (info->msgnum != num)
 597                 return NULL;
 598
 599         tmp = strchr(p, '\r');
 600         if (!tmp) tmp = strchr(p, '\n');
 601
 602         if (tmp)
 603                 return g_strndup(p, tmp - p);
 604         else
 605                 return g_strdup(p);
 606 }
 607
 608 static GSList *news_delete_old_article(GSList *alist, gint first)
 609 {
 610         GSList *cur, *next;
 611         MsgInfo *msginfo;
 612         gchar *cache_file;
 613
 614         if (first < 2) return alist;
 615
 616         for (cur = alist; cur != NULL; ) {
 617                 next = cur->next;
 618
 619                 msginfo = (MsgInfo *)cur->data;
 620                 if (msginfo && msginfo->msgnum < first) {
 621                         debug_print(_("deleting article %d...\n"),
 622                                     msginfo->msgnum);
 623
 624                         cache_file = procmsg_get_message_file_path(msginfo);
 625                         if (is_file_exist(cache_file)) unlink(cache_file);
 626                         g_free(cache_file);
 627
 628                         procmsg_msginfo_free(msginfo);
 629                         alist = g_slist_remove(alist, msginfo);
 630                 }
 631
 632                 cur = next;
 633         }
 634
 635         return alist;
 636 }
 637
 638 static void news_delete_all_article(FolderItem *item)
 639 {
 640         DIR *dp;
 641         struct dirent *d;
 642         gchar *dir;
 643         gchar *file;
 644
 645         dir = folder_item_get_path(item);
 646         if ((dp = opendir(dir)) == NULL) {
 647                 FILE_OP_ERROR(dir, "opendir");
 648                 g_free(dir);
 649                 return;
 650         }
 651
 652         debug_print(_("\tDeleting all cached articles... "));
 653
 654         while ((d = readdir(dp)) != NULL) {
 655                 if (to_number(d->d_name) < 0) continue;
 656
 657                 file = g_strconcat(dir, G_DIR_SEPARATOR_S, d->d_name, NULL);
 658
 659                 if (is_file_exist(file)) {
 660                         if (unlink(file) < 0)
 661                                 FILE_OP_ERROR(file, "unlink");
 662                 }
 663
 664                 g_free(file);
 665         }
 666
 667         closedir(dp);
 668         g_free(dir);
 669
 670         debug_print(_("done.\n"));
 671 }
 672
 673 /*
 674   news_get_group_list returns a strings list.
 675   These strings are the names of the newsgroups of a server.
 676   item is the FolderItem of the news server.
 677   The names of the newsgroups are cached into a file so that
 678   when the function is called again, there is no need to make
 679   a request to the server.
 680  */
 681
 682 GSList * news_get_group_list(FolderItem *item)
 683 {
 684         gchar *path, *filename;
 685         gint ok;
 686         NNTPSession *session;
 687         GSList * group_list = NULL;
 688         FILE * f;
 689         gchar buf[NNTPBUFSIZE];
 690         int len;
 691
 692         if (item == NULL)
 693           return NULL;
 694
 695         path = folder_item_get_path(item);
 696
 697         if (!is_dir_exist(path))
 698                 make_dir_hier(path);
 699
 700         filename = g_strconcat(path, G_DIR_SEPARATOR_S, GROUPLIST_FILE, NULL);
 701         g_free(path);
 702
 703         session = news_session_get(item->folder);
 704
 705         if (session == NULL)
 706           return NULL;
 707
 708         if (is_file_exist(filename)) {
 709                 debug_print(_("group list has been already cached.\n"));
 710         }
 711         else {
 712             ok = nntp_list(session->nntp_sock);
 713             if (ok != NN_SUCCESS)
 714               return NULL;
 715
 716             if (recv_write_to_file(SESSION(session)->sock, filename) < 0) {
 717               log_warning(_("can't retrieve group list\n"));
 718               return NULL;
 719             }
 720         }
 721
 722         f = fopen(filename, "r");
 723         while (fgets(buf, NNTPBUFSIZE, f)) {
 724             char * s;
 725
 726             len = 0;
 727             while ((buf[len] != 0) && (buf[len] != ' '))
 728               len++;
 729             buf[len] = 0;
 730             s = g_strdup(buf);
 731
 732             group_list = g_slist_append(group_list, s);
 733         }
 734         fclose(f);
 735         g_free(filename);
 736
 737         group_list = g_slist_sort(group_list, (GCompareFunc) g_strcasecmp);
 738
 739         return group_list;
 740 }
 741
 742 /*
 743   remove the cache file of the names of the newsgroups.
 744  */
 745
 746 void news_reset_group_list(FolderItem *item)
 747 {
 748         gchar *path, *filename;
 749
 750         debug_print(_("\tDeleting cached group list... "));
 751         path = folder_item_get_path(item);
 752         filename = g_strconcat(path, G_DIR_SEPARATOR_S, GROUPLIST_FILE, NULL);
 753         g_free(path);
 754         if (remove(filename) != 0)
 755           log_warning(_("can't delete cached group list %s\n"), filename);
 756         g_free(filename);
 757 }