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Diffstat (limited to 'fs/cifs/ntlmssp.h')
| -rw-r--r-- | fs/cifs/ntlmssp.h | 101 |
1 files changed, 101 insertions, 0 deletions
diff --git a/fs/cifs/ntlmssp.h b/fs/cifs/ntlmssp.h new file mode 100644 index 000000000000..6facb41117a3 --- /dev/null +++ b/fs/cifs/ntlmssp.h @@ -0,0 +1,101 @@ +/* + * 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 */ |