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22 #define NTLMSSP_SIGNATURE "NTLMSSP"
23
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
30 #define NTLMSSP_NEGOTIATE_UNICODE 0x01
31 #define NTLMSSP_NEGOTIATE_OEM 0x02
32 #define NTLMSSP_REQUEST_TARGET 0x04
33
34 #define NTLMSSP_NEGOTIATE_SIGN 0x0010
35 #define NTLMSSP_NEGOTIATE_SEAL 0x0020
36 #define NTLMSSP_NEGOTIATE_DGRAM 0x0040
37 #define NTLMSSP_NEGOTIATE_LM_KEY 0x0080
38
39 #define NTLMSSP_NEGOTIATE_NTLM 0x0200
40 #define NTLMSSP_NEGOTIATE_NT_ONLY 0x0400
41 #define NTLMSSP_ANONYMOUS 0x0800
42 #define NTLMSSP_NEGOTIATE_DOMAIN_SUPPLIED 0x1000
43 #define NTLMSSP_NEGOTIATE_WORKSTATION_SUPPLIED 0x2000
44 #define NTLMSSP_NEGOTIATE_LOCAL_CALL 0x4000
45 #define NTLMSSP_NEGOTIATE_ALWAYS_SIGN 0x8000
46 #define NTLMSSP_TARGET_TYPE_DOMAIN 0x10000
47 #define NTLMSSP_TARGET_TYPE_SERVER 0x20000
48 #define NTLMSSP_TARGET_TYPE_SHARE 0x40000
49 #define NTLMSSP_NEGOTIATE_EXTENDED_SEC 0x80000
50
51 #define NTLMSSP_NEGOTIATE_IDENTIFY 0x100000
52 #define NTLMSSP_REQUEST_ACCEPT_RESP 0x200000
53 #define NTLMSSP_REQUEST_NON_NT_KEY 0x400000
54 #define NTLMSSP_NEGOTIATE_TARGET_INFO 0x800000
55
56 #define NTLMSSP_NEGOTIATE_VERSION 0x2000000
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58
59
60 #define NTLMSSP_NEGOTIATE_128 0x20000000
61 #define NTLMSSP_NEGOTIATE_KEY_XCH 0x40000000
62 #define NTLMSSP_NEGOTIATE_56 0x80000000
63
64
65 enum av_field_type {
66 NTLMSSP_AV_EOL = 0,
67 NTLMSSP_AV_NB_COMPUTER_NAME,
68 NTLMSSP_AV_NB_DOMAIN_NAME,
69 NTLMSSP_AV_DNS_COMPUTER_NAME,
70 NTLMSSP_AV_DNS_DOMAIN_NAME,
71 NTLMSSP_AV_DNS_TREE_NAME,
72 NTLMSSP_AV_FLAGS,
73 NTLMSSP_AV_TIMESTAMP,
74 NTLMSSP_AV_RESTRICTION,
75 NTLMSSP_AV_TARGET_NAME,
76 NTLMSSP_AV_CHANNEL_BINDINGS
77 };
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85 typedef struct _SECURITY_BUFFER {
86 __le16 Length;
87 __le16 MaximumLength;
88 __le32 BufferOffset;
89 } __attribute__((packed)) SECURITY_BUFFER;
90
91 typedef struct _NEGOTIATE_MESSAGE {
92 __u8 Signature[sizeof(NTLMSSP_SIGNATURE)];
93 __le32 MessageType;
94 __le32 NegotiateFlags;
95 SECURITY_BUFFER DomainName;
96 SECURITY_BUFFER WorkstationName;
97
98
99 char DomainString[0];
100
101 } __attribute__((packed)) NEGOTIATE_MESSAGE, *PNEGOTIATE_MESSAGE;
102
103 typedef struct _CHALLENGE_MESSAGE {
104 __u8 Signature[sizeof(NTLMSSP_SIGNATURE)];
105 __le32 MessageType;
106 SECURITY_BUFFER TargetName;
107 __le32 NegotiateFlags;
108 __u8 Challenge[CIFS_CRYPTO_KEY_SIZE];
109 __u8 Reserved[8];
110 SECURITY_BUFFER TargetInfoArray;
111
112
113 } __attribute__((packed)) CHALLENGE_MESSAGE, *PCHALLENGE_MESSAGE;
114
115 typedef struct _AUTHENTICATE_MESSAGE {
116 __u8 Signature[sizeof(NTLMSSP_SIGNATURE)];
117 __le32 MessageType;
118 SECURITY_BUFFER LmChallengeResponse;
119 SECURITY_BUFFER NtChallengeResponse;
120 SECURITY_BUFFER DomainName;
121 SECURITY_BUFFER UserName;
122 SECURITY_BUFFER WorkstationName;
123 SECURITY_BUFFER SessionKey;
124 __le32 NegotiateFlags;
125
126
127 char UserString[0];
128 } __attribute__((packed)) AUTHENTICATE_MESSAGE, *PAUTHENTICATE_MESSAGE;
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134 int decode_ntlmssp_challenge(char *bcc_ptr, int blob_len, struct cifs_ses *ses);
135 void build_ntlmssp_negotiate_blob(unsigned char *pbuffer, struct cifs_ses *ses);
136 int build_ntlmssp_auth_blob(unsigned char **pbuffer, u16 *buflen,
137 struct cifs_ses *ses,
138 const struct nls_table *nls_cp);