+++ /dev/null
-/* SPDX-License-Identifier: LGPL-2.1 */
-/*
- *
- * Copyright (c) International Business Machines Corp., 2002,2007
- * Author(s): Steve French (sfrench@us.ibm.com)
- *
- */
-
-#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 unicode */
-#define NTLMSSP_NEGOTIATE_OEM 0x02 /* Text strings are in OEM */
-#define NTLMSSP_REQUEST_TARGET 0x04 /* Srv returns its auth realm */
-/* define reserved9 0x08 */
-#define NTLMSSP_NEGOTIATE_SIGN 0x0010 /* Request signing capability */
-#define NTLMSSP_NEGOTIATE_SEAL 0x0020 /* Request confidentiality */
-#define NTLMSSP_NEGOTIATE_DGRAM 0x0040
-#define NTLMSSP_NEGOTIATE_LM_KEY 0x0080 /* Use LM session key */
-/* defined reserved 8 0x0100 */
-#define NTLMSSP_NEGOTIATE_NTLM 0x0200 /* NTLM authentication */
-#define NTLMSSP_NEGOTIATE_NT_ONLY 0x0400 /* Lanman not allowed */
-#define NTLMSSP_ANONYMOUS 0x0800
-#define NTLMSSP_NEGOTIATE_DOMAIN_SUPPLIED 0x1000 /* reserved6 */
-#define NTLMSSP_NEGOTIATE_WORKSTATION_SUPPLIED 0x2000
-#define NTLMSSP_NEGOTIATE_LOCAL_CALL 0x4000 /* client/server same machine */
-#define NTLMSSP_NEGOTIATE_ALWAYS_SIGN 0x8000 /* Sign. All security levels */
-#define NTLMSSP_TARGET_TYPE_DOMAIN 0x10000
-#define NTLMSSP_TARGET_TYPE_SERVER 0x20000
-#define NTLMSSP_TARGET_TYPE_SHARE 0x40000
-#define NTLMSSP_NEGOTIATE_EXTENDED_SEC 0x80000 /* NB:not related to NTLMv2 pwd*/
-/* #define NTLMSSP_REQUEST_INIT_RESP 0x100000 */
-#define NTLMSSP_NEGOTIATE_IDENTIFY 0x100000
-#define NTLMSSP_REQUEST_ACCEPT_RESP 0x200000 /* reserved5 */
-#define NTLMSSP_REQUEST_NON_NT_KEY 0x400000
-#define NTLMSSP_NEGOTIATE_TARGET_INFO 0x800000
-/* #define reserved4 0x1000000 */
-#define NTLMSSP_NEGOTIATE_VERSION 0x2000000 /* we only set for SMB2+ */
-/* #define reserved3 0x4000000 */
-/* #define reserved2 0x8000000 */
-/* #define reserved1 0x10000000 */
-#define NTLMSSP_NEGOTIATE_128 0x20000000
-#define NTLMSSP_NEGOTIATE_KEY_XCH 0x40000000
-#define NTLMSSP_NEGOTIATE_56 0x80000000
-
-/* Define AV Pair Field IDs */
-enum av_field_type {
- NTLMSSP_AV_EOL = 0,
- NTLMSSP_AV_NB_COMPUTER_NAME,
- NTLMSSP_AV_NB_DOMAIN_NAME,
- NTLMSSP_AV_DNS_COMPUTER_NAME,
- NTLMSSP_AV_DNS_DOMAIN_NAME,
- NTLMSSP_AV_DNS_TREE_NAME,
- NTLMSSP_AV_FLAGS,
- NTLMSSP_AV_TIMESTAMP,
- NTLMSSP_AV_RESTRICTION,
- NTLMSSP_AV_TARGET_NAME,
- NTLMSSP_AV_CHANNEL_BINDINGS
-};
-
-/* 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 BufferOffset; /* offset to buffer */
-} __attribute__((packed)) SECURITY_BUFFER;
-
-typedef struct _NEGOTIATE_MESSAGE {
- __u8 Signature[sizeof(NTLMSSP_SIGNATURE)];
- __le32 MessageType; /* NtLmNegotiate = 1 */
- __le32 NegotiateFlags;
- SECURITY_BUFFER DomainName; /* RFC 1001 style and ASCII */
- SECURITY_BUFFER WorkstationName; /* RFC 1001 and ASCII */
- /* SECURITY_BUFFER for version info not present since we
- do not set the version is present flag */
- char DomainString[];
- /* followed by WorkstationString */
-} __attribute__((packed)) NEGOTIATE_MESSAGE, *PNEGOTIATE_MESSAGE;
-
-#define NTLMSSP_REVISION_W2K3 0x0F
-
-/* See MS-NLMP section 2.2.2.10 */
-struct ntlmssp_version {
- __u8 ProductMajorVersion;
- __u8 ProductMinorVersion;
- __le16 ProductBuild; /* we send the cifs.ko module version here */
- __u8 Reserved[3];
- __u8 NTLMRevisionCurrent; /* currently 0x0F */
-} __packed;
-
-/* see MS-NLMP section 2.2.1.1 */
-struct negotiate_message {
- __u8 Signature[sizeof(NTLMSSP_SIGNATURE)];
- __le32 MessageType; /* NtLmNegotiate = 1 */
- __le32 NegotiateFlags;
- SECURITY_BUFFER DomainName; /* RFC 1001 style and ASCII */
- SECURITY_BUFFER WorkstationName; /* RFC 1001 and ASCII */
- struct ntlmssp_version Version;
- /* SECURITY_BUFFER */
- char DomainString[];
- /* followed by WorkstationString */
-} __packed;
-
-typedef struct _CHALLENGE_MESSAGE {
- __u8 Signature[sizeof(NTLMSSP_SIGNATURE)];
- __le32 MessageType; /* NtLmChallenge = 2 */
- SECURITY_BUFFER TargetName;
- __le32 NegotiateFlags;
- __u8 Challenge[CIFS_CRYPTO_KEY_SIZE];
- __u8 Reserved[8];
- SECURITY_BUFFER TargetInfoArray;
- /* SECURITY_BUFFER for version info not present since we
- do not set the version is present flag */
-} __attribute__((packed)) CHALLENGE_MESSAGE, *PCHALLENGE_MESSAGE;
-
-typedef struct _AUTHENTICATE_MESSAGE {
- __u8 Signature[sizeof(NTLMSSP_SIGNATURE)];
- __le32 MessageType; /* NtLmsAuthenticate = 3 */
- SECURITY_BUFFER LmChallengeResponse;
- SECURITY_BUFFER NtChallengeResponse;
- SECURITY_BUFFER DomainName;
- SECURITY_BUFFER UserName;
- SECURITY_BUFFER WorkstationName;
- SECURITY_BUFFER SessionKey;
- __le32 NegotiateFlags;
- /* SECURITY_BUFFER for version info not present since we
- do not set the version is present flag */
- char UserString[];
-} __attribute__((packed)) AUTHENTICATE_MESSAGE, *PAUTHENTICATE_MESSAGE;
-
-/*
- * Size of the session key (crypto key encrypted with the password
- */
-
-int decode_ntlmssp_challenge(char *bcc_ptr, int blob_len, struct cifs_ses *ses);
-int build_ntlmssp_negotiate_blob(unsigned char **pbuffer, u16 *buflen,
- struct cifs_ses *ses,
- struct TCP_Server_Info *server,
- const struct nls_table *nls_cp);
-int build_ntlmssp_smb3_negotiate_blob(unsigned char **pbuffer, u16 *buflen,
- struct cifs_ses *ses,
- struct TCP_Server_Info *server,
- const struct nls_table *nls_cp);
-int build_ntlmssp_auth_blob(unsigned char **pbuffer, u16 *buflen,
- struct cifs_ses *ses,
- struct TCP_Server_Info *server,
- const struct nls_table *nls_cp);
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