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/*
Unix SMB/CIFS implementation.
Password and authentication handling
Copyright (C) Andrew Bartlett <abartlet@samba.org> 2001-2004
Copyright (C) Gerald Carter 2003
Copyright (C) Luke Kenneth Casson Leighton 1996-2000
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 3 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, see <http://www.gnu.org/licenses/>.
*/
#ifndef __LIBCLI_AUTH_NTLM_CHECK_H__
#define __LIBCLI_AUTH_NTLM_CHECK_H__
/* mangled names options */
enum ntlm_auth_level {NTLM_AUTH_DISABLED, NTLM_AUTH_ON,
NTLM_AUTH_NTLMV2_ONLY,
NTLM_AUTH_MSCHAPv2_NTLMV2_ONLY};
struct samr_Password;
/**
* Compare password hashes against those from the SAM
*
* @param mem_ctx talloc context
* @param client_lanman LANMAN password hash, as supplied by the client
* @param client_nt NT (MD4) password hash, as supplied by the client
* @param username internal Samba username, for log messages
* @param client_username username the client used
* @param client_domain domain name the client used (may be mapped)
* @param stored_lanman LANMAN password hash, as stored on the SAM
* @param stored_nt NT (MD4) password hash, as stored on the SAM
* @param user_sess_key User session key
* @param lm_sess_key LM session key (first 8 bytes of the LM hash)
*/
NTSTATUS hash_password_check(TALLOC_CTX *mem_ctx,
bool lanman_auth,
enum ntlm_auth_level ntlm_auth,
const struct samr_Password *client_lanman,
const struct samr_Password *client_nt,
const char *username,
const struct samr_Password *stored_lanman,
const struct samr_Password *stored_nt);
/**
* Check a challenge-response password against the value of the NT or
* LM password hash.
*
* @param mem_ctx talloc context
* @param challenge 8-byte challenge. If all zero, forces plaintext comparison
* @param nt_response 'unicode' NT response to the challenge, or unicode password
* @param lm_response ASCII or LANMAN response to the challenge, or password in DOS code page
* @param username internal Samba username, for log messages
* @param client_username username the client used
* @param client_domain domain name the client used (may be mapped)
* @param stored_lanman LANMAN ASCII password from our passdb or similar
* @param stored_nt MD4 unicode password from our passdb or similar
* @param user_sess_key User session key
* @param lm_sess_key LM session key (first 8 bytes of the LM hash)
*/
NTSTATUS ntlm_password_check(TALLOC_CTX *mem_ctx,
bool lanman_auth,
enum ntlm_auth_level ntlm_auth,
uint32_t logon_parameters,
const DATA_BLOB *challenge,
const DATA_BLOB *lm_response,
const DATA_BLOB *nt_response,
const char *username,
const char *client_username,
const char *client_domain,
const struct samr_Password *stored_lanman,
const struct samr_Password *stored_nt,
DATA_BLOB *user_sess_key,
DATA_BLOB *lm_sess_key);
#endif /* __LIBCLI_AUTH_NTLM_CHECK_H__ */
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