source/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 2 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, write to the Free Software
  18    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  19 */
  20
  21 #include "includes.h"
  22
  23 /****************************************************************************
  24  Initialises a password structure.
  25 ****************************************************************************/
  26
  27 static void pwd_init(struct pwd_info *pwd)
  28 {
  29         memset((char *)pwd->password  , '\0', sizeof(pwd->password  ));
  30
  31         pwd->null_pwd  = True; /* safest option... */
  32 }
  33
  34 /****************************************************************************
  35  Stores a cleartext password.
  36 ****************************************************************************/
  37
  38 void pwd_set_cleartext(struct pwd_info *pwd, const char *clr)
  39 {
  40         pwd_init(pwd);
  41         if (clr) {
  42                 fstrcpy(pwd->password, clr);
  43                 pwd->null_pwd = False;
  44         } else {
  45                 pwd->null_pwd = True;
  46         }
  47
  48         pwd->cleartext = True;
  49 }
  50
  51 /****************************************************************************
  52  Gets a cleartext password.
  53 ****************************************************************************/
  54
  55 void pwd_get_cleartext(struct pwd_info *pwd, fstring clr)
  56 {
  57         if (pwd->cleartext)
  58                 fstrcpy(clr, pwd->password);
  59         else
  60                 clr[0] = 0;
  61
  62 }