source3/libsmb/pwd_cache.c

   1 /*
   2    Unix SMB/CIFS implementation.
   3    Password cacheing.  obfuscation is planned
   4    Copyright (C) Luke Kenneth Casson Leighton 1996-1998
   5
   6    This program is free software; you can redistribute it and/or modify
   7    it under the terms of the GNU General Public License as published by
   8    the Free Software Foundation; either version 3 of the License, or
   9    (at your option) any later version.
  10
  11    This program is distributed in the hope that it will be useful,
  12    but WITHOUT ANY WARRANTY; without even the implied warranty of
  13    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14    GNU General Public License for more details.
  15
  16    You should have received a copy of the GNU General Public License
  17    along with this program.  If not, see <http://www.gnu.org/licenses/>.
  18 */
  19
  20 #include "includes.h"
  21
  22 /****************************************************************************
  23  Initialises a password structure.
  24 ****************************************************************************/
  25
  26 static void pwd_init(struct pwd_info *pwd)
  27 {
  28         memset((char *)pwd->password  , '\0', sizeof(pwd->password  ));
  29
  30         pwd->null_pwd  = True; /* safest option... */
  31 }
  32
  33 /****************************************************************************
  34  Stores a cleartext password.
  35 ****************************************************************************/
  36
  37 void pwd_set_cleartext(struct pwd_info *pwd, const char *clr)
  38 {
  39         pwd_init(pwd);
  40         if (clr) {
  41                 fstrcpy(pwd->password, clr);
  42                 pwd->null_pwd = False;
  43         } else {
  44                 pwd->null_pwd = True;
  45         }
  46
  47         pwd->cleartext = True;
  48 }
  49
  50 /****************************************************************************
  51  Gets a cleartext password.
  52 ****************************************************************************/
  53
  54 void pwd_get_cleartext(struct pwd_info *pwd, fstring clr)
  55 {
  56         if (pwd->cleartext)
  57                 fstrcpy(clr, pwd->password);
  58         else
  59                 clr[0] = 0;
  60
  61 }