166 lines
4.6 KiB
C
166 lines
4.6 KiB
C
/**
|
|
* FreeRDP: A Remote Desktop Protocol Client
|
|
* NT LAN Manager Security Support Provider (NTLMSSP)
|
|
*
|
|
* Copyright 2011 Marc-Andre Moreau <marcandre.moreau@gmail.com>
|
|
*
|
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
|
* you may not use this file except in compliance with the License.
|
|
* You may obtain a copy of the License at
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
* See the License for the specific language governing permissions and
|
|
* limitations under the License.
|
|
*/
|
|
|
|
#ifndef __NTLMSSP_H
|
|
#define __NTLMSSP_H
|
|
|
|
#include "credssp.h"
|
|
|
|
#include <freerdp/freerdp.h>
|
|
#include <freerdp/utils/blob.h>
|
|
#include <freerdp/utils/debug.h>
|
|
#include <freerdp/utils/unicode.h>
|
|
|
|
struct _AV_PAIR
|
|
{
|
|
uint16 length;
|
|
uint8* value;
|
|
};
|
|
typedef struct _AV_PAIR AV_PAIR;
|
|
|
|
struct _AV_PAIRS
|
|
{
|
|
AV_PAIR NbComputerName;
|
|
AV_PAIR NbDomainName;
|
|
AV_PAIR DnsComputerName;
|
|
AV_PAIR DnsDomainName;
|
|
AV_PAIR DnsTreeName;
|
|
AV_PAIR Timestamp;
|
|
AV_PAIR Restrictions;
|
|
AV_PAIR TargetName;
|
|
AV_PAIR ChannelBindings;
|
|
uint32 Flags;
|
|
};
|
|
typedef struct _AV_PAIRS AV_PAIRS;
|
|
|
|
enum _AV_ID
|
|
{
|
|
MsvAvEOL,
|
|
MsvAvNbComputerName,
|
|
MsvAvNbDomainName,
|
|
MsvAvDnsComputerName,
|
|
MsvAvDnsDomainName,
|
|
MsvAvDnsTreeName,
|
|
MsvAvFlags,
|
|
MsvAvTimestamp,
|
|
MsvAvRestrictions,
|
|
MsvAvTargetName,
|
|
MsvChannelBindings
|
|
};
|
|
typedef enum _AV_ID AV_ID;
|
|
|
|
enum _NTLMSSP_STATE
|
|
{
|
|
NTLMSSP_STATE_INITIAL,
|
|
NTLMSSP_STATE_NEGOTIATE,
|
|
NTLMSSP_STATE_CHALLENGE,
|
|
NTLMSSP_STATE_AUTHENTICATE,
|
|
NTLMSSP_STATE_FINAL
|
|
};
|
|
typedef enum _NTLMSSP_STATE NTLMSSP_STATE;
|
|
|
|
struct _NTLMSSP
|
|
{
|
|
NTLMSSP_STATE state;
|
|
BLOB password;
|
|
BLOB username;
|
|
BLOB domain;
|
|
BLOB workstation;
|
|
BLOB target_info;
|
|
BLOB target_name;
|
|
BLOB spn;
|
|
UNICONV *uniconv;
|
|
uint32 negotiate_flags;
|
|
uint8 timestamp[8];
|
|
uint8 server_challenge[8];
|
|
uint8 client_challenge[8];
|
|
uint8 session_base_key[16];
|
|
uint8 key_exchange_key[16];
|
|
uint8 random_session_key[16];
|
|
uint8 exported_session_key[16];
|
|
uint8 encrypted_random_session_key[16];
|
|
uint8 client_signing_key[16];
|
|
uint8 client_sealing_key[16];
|
|
uint8 server_signing_key[16];
|
|
uint8 server_sealing_key[16];
|
|
uint8 message_integrity_check[16];
|
|
BLOB nt_challenge_response;
|
|
BLOB lm_challenge_response;
|
|
BLOB negotiate_message;
|
|
BLOB challenge_message;
|
|
BLOB authenticate_message;
|
|
CryptoRc4 send_rc4_seal;
|
|
CryptoRc4 recv_rc4_seal;
|
|
AV_PAIRS *av_pairs;
|
|
int send_seq_num;
|
|
int recv_seq_num;
|
|
int ntlm_v2;
|
|
};
|
|
typedef struct _NTLMSSP NTLMSSP;
|
|
|
|
void ntlmssp_set_username(NTLMSSP* ntlmssp, char* username);
|
|
void ntlmssp_set_domain(NTLMSSP* ntlmssp, char* domain);
|
|
void ntlmssp_set_password(NTLMSSP* ntlmssp, char* password);
|
|
|
|
void ntlmssp_generate_client_challenge(NTLMSSP* ntlmssp);
|
|
void ntlmssp_generate_key_exchange_key(NTLMSSP* ntlmssp);
|
|
void ntlmssp_generate_random_session_key(NTLMSSP* ntlmssp);
|
|
void ntlmssp_generate_exported_session_key(NTLMSSP* ntlmssp);
|
|
void ntlmssp_encrypt_random_session_key(NTLMSSP* ntlmssp);
|
|
|
|
void ntlmssp_generate_timestamp(NTLMSSP* ntlmssp);
|
|
void ntlmssp_generate_client_signing_key(NTLMSSP* ntlmssp);
|
|
void ntlmssp_generate_server_signing_key(NTLMSSP* ntlmssp);
|
|
void ntlmssp_generate_client_sealing_key(NTLMSSP* ntlmssp);
|
|
void ntlmssp_generate_server_sealing_key(NTLMSSP* ntlmssp);
|
|
void ntlmssp_init_rc4_seal_states(NTLMSSP* ntlmssp);
|
|
|
|
void ntlmssp_compute_lm_hash(char* password, char* hash);
|
|
void ntlmssp_compute_ntlm_hash(BLOB* password, char* hash);
|
|
void ntlmssp_compute_ntlm_v2_hash(NTLMSSP* ntlmssp, char* hash);
|
|
|
|
void ntlmssp_compute_lm_response(char* password, char* challenge, char* response);
|
|
void ntlmssp_compute_lm_v2_response(NTLMSSP* ntlmssp);
|
|
void ntlmssp_compute_ntlm_v2_response(NTLMSSP* ntlmssp);
|
|
|
|
void ntlmssp_populate_av_pairs(NTLMSSP* ntlmssp);
|
|
void ntlmssp_input_av_pairs(NTLMSSP* ntlmssp, STREAM* s);
|
|
void ntlmssp_output_av_pairs(NTLMSSP* ntlmssp, STREAM* s);
|
|
void ntlmssp_free_av_pairs(NTLMSSP* ntlmssp);
|
|
|
|
void ntlmssp_compute_message_integrity_check(NTLMSSP* ntlmssp);
|
|
|
|
void ntlmssp_encrypt_message(NTLMSSP* ntlmssp, BLOB* msg, BLOB* encrypted_msg, uint8* signature);
|
|
int ntlmssp_decrypt_message(NTLMSSP* ntlmssp, BLOB* encrypted_msg, BLOB* msg, uint8* signature);
|
|
|
|
int ntlmssp_recv(NTLMSSP* ntlmssp, STREAM* s);
|
|
int ntlmssp_send(NTLMSSP* ntlmssp, STREAM* s);
|
|
|
|
NTLMSSP* ntlmssp_new();
|
|
void ntlmssp_init(NTLMSSP* ntlmssp);
|
|
void ntlmssp_free(NTLMSSP* ntlmssp);
|
|
|
|
#ifdef WITH_DEBUG_NLA
|
|
#define DEBUG_NLA(fmt, ...) DEBUG_CLASS(NLA, fmt, ## __VA_ARGS__)
|
|
#else
|
|
#define DEBUG_NLA(fmt, ...) DEBUG_NULL(fmt, ## __VA_ARGS__)
|
|
#endif
|
|
|
|
#endif /* __NTLMSSP_H */
|