change_dir.c

   1 /*
   2  * User FTP Server,  Share folders over FTP without being root.
   3  * Copyright (C) 2008  Isaac Jurado
   4  *
   5  * This program is free software; you can redistribute it and/or modify it under
   6  * the terms of the GNU General Public License as published by the Free Software
   7  * Foundation; either version 2 of the License, or (at your option) any later
   8  * version.
   9  *
  10  * This program is distributed in the hope that it will be useful, but WITHOUT
  11  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
  12  * FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more
  13  * details.
  14  *
  15  * You should have received a copy of the GNU General Public License along with
  16  * this program; if not, write to the Free Software Foundation, Inc.,
  17  * 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
  18  */
  19
  20 #include "uftps.h"
  21 #include <stddef.h>
  22
  23
  24 void change_dir (void)
  25 {
  26         int  len;
  27
  28         if (SS.arg == NULL)
  29         {
  30                 reply_c("501 Argument required.\r\n");
  31                 return;
  32         }
  33
  34         len = apply_path(SS.arg, SS.cwd, SS.cwd_len);
  35         if (len == -1)
  36         {
  37                 reply_c("552 Path overflow.\r\n");
  38                 fatal("Path overflow in CWD");
  39         }
  40
  41         SS.cwd_len = len;
  42         reply_c("250 Directory changed.\r\n");
  43         debug("Directory changed to '%s'", SS.cwd);
  44 }
  45