[linux-2.6-block.git] / fs / cifs / ntlmssp.h

/*
 *   fs/cifs/ntlmssp.h
 *
 *   Copyright (c) International Business Machines  Corp., 2002,2007
 *   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
 */

#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 /* Sign/seal use LM session key */
#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 */
} __attribute__((packed)) 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 */
} __attribute__((packed)) 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;
} __attribute__((packed)) 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];
} __attribute__((packed)) AUTHENTICATE_MESSAGE, *PAUTHENTICATE_MESSAGE;
Commit	Line	Data
1da177e4 LT	1	/*
	2	* fs/cifs/ntlmssp.h
	3	*
d38d8c74	4	* Copyright (c) International Business Machines Corp., 2002,2007
1da177e4 LT	5	* Author(s): Steve French (sfrench@us.ibm.com)
	6	*
	7	* This library is free software; you can redistribute it and/or modify
	8	* it under the terms of the GNU Lesser General Public License as published
	9	* by the Free Software Foundation; either version 2.1 of the License, or
	10	* (at your option) any later version.
	11	*
	12	* This library is distributed in the hope that it will be useful,
	13	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	14	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See
	15	* the GNU Lesser General Public License for more details.
	16	*
	17	* You should have received a copy of the GNU Lesser General Public License
	18	* along with this library; if not, write to the Free Software
6dc0f87e	19	* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
1da177e4 LT	20	*/
1da177e4 LT	21
1da177e4 LT	22	#define NTLMSSP_SIGNATURE "NTLMSSP"
	23	/* Message Types */
	24	#define NtLmNegotiate cpu_to_le32(1)
	25	#define NtLmChallenge cpu_to_le32(2)
	26	#define NtLmAuthenticate cpu_to_le32(3)
	27	#define UnknownMessage cpu_to_le32(8)
	28
	29	/* Negotiate Flags */
d38d8c74 SF	30	#define NTLMSSP_NEGOTIATE_UNICODE 0x01 /* Text strings are in unicode */
	31	#define NTLMSSP_NEGOTIATE_OEM 0x02 /* Text strings are in OEM */
	32	#define NTLMSSP_REQUEST_TARGET 0x04 /* Server return its auth realm */
	33	#define NTLMSSP_NEGOTIATE_SIGN 0x0010 /* Request signature capability */
	34	#define NTLMSSP_NEGOTIATE_SEAL 0x0020 /* Request confidentiality */
1da177e4	35	#define NTLMSSP_NEGOTIATE_DGRAM 0x0040
d38d8c74 SF	36	#define NTLMSSP_NEGOTIATE_LM_KEY 0x0080 /* Sign/seal use LM session key */
d38d8c74 SF	37	#define NTLMSSP_NEGOTIATE_NTLM 0x0200 /* NTLM authentication */
1da177e4 LT	38	#define NTLMSSP_NEGOTIATE_DOMAIN_SUPPLIED 0x1000
1da177e4 LT	39	#define NTLMSSP_NEGOTIATE_WORKSTATION_SUPPLIED 0x2000
d38d8c74 SF	40	#define NTLMSSP_NEGOTIATE_LOCAL_CALL 0x4000 /* client/server on same machine */
d38d8c74 SF	41	#define NTLMSSP_NEGOTIATE_ALWAYS_SIGN 0x8000 /* Sign for all security levels */
1da177e4 LT	42	#define NTLMSSP_TARGET_TYPE_DOMAIN 0x10000
	43	#define NTLMSSP_TARGET_TYPE_SERVER 0x20000
	44	#define NTLMSSP_TARGET_TYPE_SHARE 0x40000
	45	#define NTLMSSP_NEGOTIATE_NTLMV2 0x80000
	46	#define NTLMSSP_REQUEST_INIT_RESP 0x100000
	47	#define NTLMSSP_REQUEST_ACCEPT_RESP 0x200000
	48	#define NTLMSSP_REQUEST_NOT_NT_KEY 0x400000
	49	#define NTLMSSP_NEGOTIATE_TARGET_INFO 0x800000
	50	#define NTLMSSP_NEGOTIATE_128 0x20000000
	51	#define NTLMSSP_NEGOTIATE_KEY_XCH 0x40000000
	52	#define NTLMSSP_NEGOTIATE_56 0x80000000
	53
	54	/* Although typedefs are not commonly used for structure definitions */
	55	/* in the Linux kernel, in this particular case they are useful */
	56	/* to more closely match the standards document for NTLMSSP from */
	57	/* OpenGroup and to make the code more closely match the standard in */
	58	/* appearance */
	59
	60	typedef struct _SECURITY_BUFFER {
	61	__le16 Length;
	62	__le16 MaximumLength;
	63	__le32 Buffer; /* offset to buffer */
0753ca7b	64	} __attribute__((packed)) SECURITY_BUFFER;
1da177e4 LT	65
1da177e4 LT	66	typedef struct _NEGOTIATE_MESSAGE {
582d21e5	67	__u8 Signature[sizeof(NTLMSSP_SIGNATURE)];
1da177e4 LT	68	__le32 MessageType; /* 1 */
	69	__le32 NegotiateFlags;
	70	SECURITY_BUFFER DomainName; /* RFC 1001 style and ASCII */
	71	SECURITY_BUFFER WorkstationName; /* RFC 1001 and ASCII */
	72	char DomainString[0];
	73	/* followed by WorkstationString */
0753ca7b	74	} __attribute__((packed)) NEGOTIATE_MESSAGE, *PNEGOTIATE_MESSAGE;
1da177e4 LT	75
1da177e4 LT	76	typedef struct _CHALLENGE_MESSAGE {
582d21e5	77	__u8 Signature[sizeof(NTLMSSP_SIGNATURE)];
1da177e4 LT	78	__le32 MessageType; /* 2 */
	79	SECURITY_BUFFER TargetName;
	80	__le32 NegotiateFlags;
	81	__u8 Challenge[CIFS_CRYPTO_KEY_SIZE];
	82	__u8 Reserved[8];
	83	SECURITY_BUFFER TargetInfoArray;
0753ca7b	84	} __attribute__((packed)) CHALLENGE_MESSAGE, *PCHALLENGE_MESSAGE;
1da177e4 LT	85
	86	typedef struct _AUTHENTICATE_MESSAGE {
	87	__u8 Signature[sizeof (NTLMSSP_SIGNATURE)];
	88	__le32 MessageType; /* 3 */
	89	SECURITY_BUFFER LmChallengeResponse;
	90	SECURITY_BUFFER NtChallengeResponse;
	91	SECURITY_BUFFER DomainName;
	92	SECURITY_BUFFER UserName;
	93	SECURITY_BUFFER WorkstationName;
	94	SECURITY_BUFFER SessionKey;
	95	__le32 NegotiateFlags;
	96	char UserString[0];
0753ca7b	97	} __attribute__((packed)) AUTHENTICATE_MESSAGE, *PAUTHENTICATE_MESSAGE;