102 lines
4.0 KiB
C
102 lines
4.0 KiB
C
/*
|
|
* fs/cifs/ntlmssp.h
|
|
*
|
|
* Copyright (c) International Business Machines Corp., 2002
|
|
* Author(s): Steve French (sfrench@us.ibm.com)
|
|
*
|
|
* This library is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU Lesser General Public License as published
|
|
* by the Free Software Foundation; either version 2.1 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* This library 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 Lesser General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public License
|
|
* along with this library; if not, write to the Free Software
|
|
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
|
*/
|
|
|
|
#pragma pack(1)
|
|
|
|
#define NTLMSSP_SIGNATURE "NTLMSSP"
|
|
/* Message Types */
|
|
#define NtLmNegotiate cpu_to_le32(1)
|
|
#define NtLmChallenge cpu_to_le32(2)
|
|
#define NtLmAuthenticate cpu_to_le32(3)
|
|
#define UnknownMessage cpu_to_le32(8)
|
|
|
|
/* Negotiate Flags */
|
|
#define NTLMSSP_NEGOTIATE_UNICODE 0x01 // Text strings are in unicode
|
|
#define NTLMSSP_NEGOTIATE_OEM 0x02 // Text strings are in OEM
|
|
#define NTLMSSP_REQUEST_TARGET 0x04 // Server return its auth realm
|
|
#define NTLMSSP_NEGOTIATE_SIGN 0x0010 // Request signature capability
|
|
#define NTLMSSP_NEGOTIATE_SEAL 0x0020 // Request confidentiality
|
|
#define NTLMSSP_NEGOTIATE_DGRAM 0x0040
|
|
#define NTLMSSP_NEGOTIATE_LM_KEY 0x0080 // Use LM session key for sign/seal
|
|
#define NTLMSSP_NEGOTIATE_NTLM 0x0200 // NTLM authentication
|
|
#define NTLMSSP_NEGOTIATE_DOMAIN_SUPPLIED 0x1000
|
|
#define NTLMSSP_NEGOTIATE_WORKSTATION_SUPPLIED 0x2000
|
|
#define NTLMSSP_NEGOTIATE_LOCAL_CALL 0x4000 // client/server on same machine
|
|
#define NTLMSSP_NEGOTIATE_ALWAYS_SIGN 0x8000 // Sign for all security levels
|
|
#define NTLMSSP_TARGET_TYPE_DOMAIN 0x10000
|
|
#define NTLMSSP_TARGET_TYPE_SERVER 0x20000
|
|
#define NTLMSSP_TARGET_TYPE_SHARE 0x40000
|
|
#define NTLMSSP_NEGOTIATE_NTLMV2 0x80000
|
|
#define NTLMSSP_REQUEST_INIT_RESP 0x100000
|
|
#define NTLMSSP_REQUEST_ACCEPT_RESP 0x200000
|
|
#define NTLMSSP_REQUEST_NOT_NT_KEY 0x400000
|
|
#define NTLMSSP_NEGOTIATE_TARGET_INFO 0x800000
|
|
#define NTLMSSP_NEGOTIATE_128 0x20000000
|
|
#define NTLMSSP_NEGOTIATE_KEY_XCH 0x40000000
|
|
#define NTLMSSP_NEGOTIATE_56 0x80000000
|
|
|
|
/* Although typedefs are not commonly used for structure definitions */
|
|
/* in the Linux kernel, in this particular case they are useful */
|
|
/* to more closely match the standards document for NTLMSSP from */
|
|
/* OpenGroup and to make the code more closely match the standard in */
|
|
/* appearance */
|
|
|
|
typedef struct _SECURITY_BUFFER {
|
|
__le16 Length;
|
|
__le16 MaximumLength;
|
|
__le32 Buffer; /* offset to buffer */
|
|
} SECURITY_BUFFER;
|
|
|
|
typedef struct _NEGOTIATE_MESSAGE {
|
|
__u8 Signature[sizeof (NTLMSSP_SIGNATURE)];
|
|
__le32 MessageType; /* 1 */
|
|
__le32 NegotiateFlags;
|
|
SECURITY_BUFFER DomainName; /* RFC 1001 style and ASCII */
|
|
SECURITY_BUFFER WorkstationName; /* RFC 1001 and ASCII */
|
|
char DomainString[0];
|
|
/* followed by WorkstationString */
|
|
} NEGOTIATE_MESSAGE, *PNEGOTIATE_MESSAGE;
|
|
|
|
typedef struct _CHALLENGE_MESSAGE {
|
|
__u8 Signature[sizeof (NTLMSSP_SIGNATURE)];
|
|
__le32 MessageType; /* 2 */
|
|
SECURITY_BUFFER TargetName;
|
|
__le32 NegotiateFlags;
|
|
__u8 Challenge[CIFS_CRYPTO_KEY_SIZE];
|
|
__u8 Reserved[8];
|
|
SECURITY_BUFFER TargetInfoArray;
|
|
} CHALLENGE_MESSAGE, *PCHALLENGE_MESSAGE;
|
|
|
|
typedef struct _AUTHENTICATE_MESSAGE {
|
|
__u8 Signature[sizeof (NTLMSSP_SIGNATURE)];
|
|
__le32 MessageType; /* 3 */
|
|
SECURITY_BUFFER LmChallengeResponse;
|
|
SECURITY_BUFFER NtChallengeResponse;
|
|
SECURITY_BUFFER DomainName;
|
|
SECURITY_BUFFER UserName;
|
|
SECURITY_BUFFER WorkstationName;
|
|
SECURITY_BUFFER SessionKey;
|
|
__le32 NegotiateFlags;
|
|
char UserString[0];
|
|
} AUTHENTICATE_MESSAGE, *PAUTHENTICATE_MESSAGE;
|
|
|
|
#pragma pack() /* resume default structure packing */
|