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/*
Unix SMB/CIFS implementation.
Password cacheing. obfuscation is planned
Copyright (C) Luke Kenneth Casson Leighton 1996-1998
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include "includes.h"
/****************************************************************************
Initialises a password structure.
****************************************************************************/
static void pwd_init(struct pwd_info *pwd)
{
memset((char *)pwd->password , '\0', sizeof(pwd->password ));
memset((char *)pwd->smb_lm_pwd, '\0', sizeof(pwd->smb_lm_pwd));
memset((char *)pwd->smb_nt_pwd, '\0', sizeof(pwd->smb_nt_pwd));
memset((char *)pwd->smb_lm_owf, '\0', sizeof(pwd->smb_lm_owf));
memset((char *)pwd->smb_nt_owf, '\0', sizeof(pwd->smb_nt_owf));
pwd->null_pwd = True; /* safest option... */
pwd->cleartext = False;
pwd->crypted = False;
}
/****************************************************************************
Makes lm and nt hashed passwords.
****************************************************************************/
static void pwd_make_lm_nt_16(struct pwd_info *pwd, const char *clr)
{
pwd_init(pwd);
if (!clr) {
ZERO_STRUCT(pwd->smb_nt_pwd);
ZERO_STRUCT(pwd->smb_lm_pwd);
pwd->null_pwd = True;
} else {
nt_lm_owf_gen(clr, pwd->smb_nt_pwd, pwd->smb_lm_pwd);
pwd->null_pwd = False;
}
pwd->crypted = False;
}
/****************************************************************************
Stores a cleartext password.
****************************************************************************/
void pwd_set_cleartext(struct pwd_info *pwd, const char *clr)
{
pwd_make_lm_nt_16(pwd, clr);
fstrcpy(pwd->password, clr);
pwd->cleartext = True;
}
/****************************************************************************
Gets a cleartext password.
****************************************************************************/
void pwd_get_cleartext(struct pwd_info *pwd, fstring clr)
{
if (pwd->cleartext)
fstrcpy(clr, pwd->password);
else
clr[0] = 0;
}
/****************************************************************************
Gets lm and nt crypts.
****************************************************************************/
void pwd_get_lm_nt_owf(struct pwd_info *pwd, uchar lm_owf[24], uchar nt_owf[24])
{
if (lm_owf != NULL)
memcpy(lm_owf, pwd->smb_lm_owf, 24);
if (nt_owf != NULL)
memcpy(nt_owf, pwd->smb_nt_owf, 24);
}
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