| /* |
| * 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; |