mirror of
https://github.com/MidnightCommander/mc
synced 2024-12-23 12:56:51 +03:00
250 lines
6.7 KiB
C
250 lines
6.7 KiB
C
/*
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Unix SMB/Netbios implementation.
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Version 1.9.
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Password cacheing. obfuscation is planned
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Copyright (C) Luke Kenneth Casson Leighton 1996-1998
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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#include "includes.h"
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extern int DEBUGLEVEL;
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/****************************************************************************
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initialises a password structure
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****************************************************************************/
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void pwd_init(struct pwd_info *pwd)
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{
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memset((char *)pwd->password , '\0', sizeof(pwd->password ));
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memset((char *)pwd->smb_lm_pwd, '\0', sizeof(pwd->smb_lm_pwd));
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memset((char *)pwd->smb_nt_pwd, '\0', sizeof(pwd->smb_nt_pwd));
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memset((char *)pwd->smb_lm_owf, '\0', sizeof(pwd->smb_lm_owf));
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memset((char *)pwd->smb_nt_owf, '\0', sizeof(pwd->smb_nt_owf));
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pwd->null_pwd = True; /* safest option... */
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pwd->cleartext = False;
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pwd->crypted = False;
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}
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/****************************************************************************
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de-obfuscates a password
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****************************************************************************/
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static void pwd_deobfuscate(struct pwd_info *pwd)
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{
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}
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/****************************************************************************
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obfuscates a password
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****************************************************************************/
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static void pwd_obfuscate(struct pwd_info *pwd)
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{
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}
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/****************************************************************************
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sets the obfuscation key info
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****************************************************************************/
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void pwd_obfuscate_key(struct pwd_info *pwd, uint32 int_key, char *str_key)
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{
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}
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#if 0
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/****************************************************************************
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reads a password
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****************************************************************************/
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void pwd_read(struct pwd_info *pwd, char *passwd_report, BOOL do_encrypt)
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{
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/* grab a password */
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char *user_pass;
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pwd_init(pwd);
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user_pass = (char*)getpass(passwd_report);
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if (user_pass == NULL || user_pass[0] == 0)
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{
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pwd_set_nullpwd(pwd);
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}
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else if (do_encrypt)
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{
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pwd_make_lm_nt_16(pwd, user_pass);
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}
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else
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{
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pwd_set_cleartext(pwd, user_pass);
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}
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}
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#endif
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/****************************************************************************
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stores a cleartext password
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****************************************************************************/
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void pwd_set_nullpwd(struct pwd_info *pwd)
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{
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pwd_init(pwd);
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pwd->cleartext = False;
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pwd->null_pwd = True;
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pwd->crypted = False;
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}
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/****************************************************************************
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stores a cleartext password
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****************************************************************************/
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void pwd_set_cleartext(struct pwd_info *pwd, char *clr)
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{
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pwd_init(pwd);
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fstrcpy(pwd->password, clr);
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pwd->cleartext = True;
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pwd->null_pwd = False;
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pwd->crypted = False;
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pwd_obfuscate(pwd);
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}
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/****************************************************************************
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gets a cleartext password
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****************************************************************************/
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void pwd_get_cleartext(struct pwd_info *pwd, char *clr)
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{
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pwd_deobfuscate(pwd);
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if (pwd->cleartext)
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{
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fstrcpy(clr, pwd->password);
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}
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else
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{
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clr[0] = 0;
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}
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pwd_obfuscate(pwd);
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}
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/****************************************************************************
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stores lm and nt hashed passwords
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****************************************************************************/
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void pwd_set_lm_nt_16(struct pwd_info *pwd, uchar lm_pwd[16], uchar nt_pwd[16])
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{
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pwd_init(pwd);
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if (lm_pwd)
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{
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memcpy(pwd->smb_lm_pwd, lm_pwd, 16);
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}
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else
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{
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memset((char *)pwd->smb_lm_pwd, '\0', 16);
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}
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if (nt_pwd)
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{
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memcpy(pwd->smb_nt_pwd, nt_pwd, 16);
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}
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else
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{
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memset((char *)pwd->smb_nt_pwd, '\0', 16);
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}
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pwd->null_pwd = False;
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pwd->cleartext = False;
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pwd->crypted = False;
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pwd_obfuscate(pwd);
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}
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/****************************************************************************
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gets lm and nt hashed passwords
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****************************************************************************/
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void pwd_get_lm_nt_16(struct pwd_info *pwd, uchar lm_pwd[16], uchar nt_pwd[16])
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{
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pwd_deobfuscate(pwd);
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if (lm_pwd != NULL)
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{
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memcpy(lm_pwd, pwd->smb_lm_pwd, 16);
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}
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if (nt_pwd != NULL)
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{
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memcpy(nt_pwd, pwd->smb_nt_pwd, 16);
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}
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pwd_obfuscate(pwd);
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}
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/****************************************************************************
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makes lm and nt hashed passwords
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****************************************************************************/
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void pwd_make_lm_nt_16(struct pwd_info *pwd, char *clr)
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{
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pwd_init(pwd);
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nt_lm_owf_gen(clr, pwd->smb_nt_pwd, pwd->smb_lm_pwd);
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pwd->null_pwd = False;
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pwd->cleartext = False;
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pwd->crypted = False;
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pwd_obfuscate(pwd);
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}
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/****************************************************************************
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makes lm and nt OWF crypts
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****************************************************************************/
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void pwd_make_lm_nt_owf(struct pwd_info *pwd, uchar cryptkey[8])
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{
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pwd_deobfuscate(pwd);
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#ifdef DEBUG_PASSWORD
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DEBUG(100,("client cryptkey: "));
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dump_data(100, (char *)cryptkey, 8);
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#endif
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SMBOWFencrypt(pwd->smb_nt_pwd, cryptkey, pwd->smb_nt_owf);
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#ifdef DEBUG_PASSWORD
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DEBUG(100,("nt_owf_passwd: "));
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dump_data(100, (char *)pwd->smb_nt_owf, sizeof(pwd->smb_nt_owf));
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DEBUG(100,("nt_sess_pwd: "));
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dump_data(100, (char *)pwd->smb_nt_pwd, sizeof(pwd->smb_nt_pwd));
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#endif
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SMBOWFencrypt(pwd->smb_lm_pwd, cryptkey, pwd->smb_lm_owf);
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#ifdef DEBUG_PASSWORD
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DEBUG(100,("lm_owf_passwd: "));
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dump_data(100, (char *)pwd->smb_lm_owf, sizeof(pwd->smb_lm_owf));
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DEBUG(100,("lm_sess_pwd: "));
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dump_data(100, (char *)pwd->smb_lm_pwd, sizeof(pwd->smb_lm_pwd));
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#endif
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pwd->crypted = True;
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pwd_obfuscate(pwd);
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}
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/****************************************************************************
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gets lm and nt crypts
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****************************************************************************/
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void pwd_get_lm_nt_owf(struct pwd_info *pwd, uchar lm_owf[24], uchar nt_owf[24])
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{
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pwd_deobfuscate(pwd);
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if (lm_owf != NULL)
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{
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memcpy(lm_owf, pwd->smb_lm_owf, 24);
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}
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if (nt_owf != NULL)
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{
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memcpy(nt_owf, pwd->smb_nt_owf, 24);
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}
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pwd_obfuscate(pwd);
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}
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