1 #ifndef HEADER_CURL_NTLM_H
2 #define HEADER_CURL_NTLM_H
3 /***************************************************************************
5 * Project ___| | | | _ \| |
7 * | (__| |_| | _ <| |___
8 * \___|\___/|_| \_\_____|
10 * Copyright (C) 1998 - 2011, Daniel Stenberg, <daniel@haxx.se>, et al.
12 * This software is licensed as described in the file COPYING, which
13 * you should have received as part of this distribution. The terms
14 * are also available at http://curl.haxx.se/docs/copyright.html.
16 * You may opt to use, copy, modify, merge, publish, distribute and/or sell
17 * copies of the Software, and permit persons to whom the Software is
18 * furnished to do so, under the terms of the COPYING file.
20 * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
21 * KIND, either express or implied.
23 ***************************************************************************/
27 /* This is to generate a base64 encoded NTLM type-1 message */
28 CURLcode Curl_ntlm_create_type1_message(const char *userp,
30 struct ntlmdata *ntlm,
33 /* This is to generate a base64 encoded NTLM type-3 message */
34 CURLcode Curl_ntlm_create_type3_message(struct SessionHandle *data,
37 struct ntlmdata *ntlm,
40 /* This is to decode a NTLM type-2 message */
41 CURLcode Curl_ntlm_decode_type2_message(struct SessionHandle *data,
43 struct ntlmdata* ntlm);
45 /* This is to clean up the ntlm data structure */
46 #ifdef USE_WINDOWS_SSPI
47 void Curl_ntlm_sspi_cleanup(struct ntlmdata *ntlm);
50 /* NTLM buffer fixed size, large enough for long user + host + domain */
51 #define NTLM_BUFSIZE 1024
53 /* Stuff only required for curl_ntlm.c */
54 #ifdef BUILDING_CURL_NTLM_C
56 /* Flag bits definitions based on http://davenport.sourceforge.net/ntlm.html */
58 #define NTLMFLAG_NEGOTIATE_UNICODE (1<<0)
59 /* Indicates that Unicode strings are supported for use in security buffer
62 #define NTLMFLAG_NEGOTIATE_OEM (1<<1)
63 /* Indicates that OEM strings are supported for use in security buffer data. */
65 #define NTLMFLAG_REQUEST_TARGET (1<<2)
66 /* Requests that the server's authentication realm be included in the Type 2
70 #define NTLMFLAG_NEGOTIATE_SIGN (1<<4)
71 /* Specifies that authenticated communication between the client and server
72 should carry a digital signature (message integrity). */
74 #define NTLMFLAG_NEGOTIATE_SEAL (1<<5)
75 /* Specifies that authenticated communication between the client and server
76 should be encrypted (message confidentiality). */
78 #define NTLMFLAG_NEGOTIATE_DATAGRAM_STYLE (1<<6)
79 /* Indicates that datagram authentication is being used. */
81 #define NTLMFLAG_NEGOTIATE_LM_KEY (1<<7)
82 /* Indicates that the LAN Manager session key should be used for signing and
83 sealing authenticated communications. */
85 #define NTLMFLAG_NEGOTIATE_NETWARE (1<<8)
88 #define NTLMFLAG_NEGOTIATE_NTLM_KEY (1<<9)
89 /* Indicates that NTLM authentication is being used. */
93 #define NTLMFLAG_NEGOTIATE_ANONYMOUS (1<<11)
94 /* Sent by the client in the Type 3 message to indicate that an anonymous
95 context has been established. This also affects the response fields. */
97 #define NTLMFLAG_NEGOTIATE_DOMAIN_SUPPLIED (1<<12)
98 /* Sent by the client in the Type 1 message to indicate that a desired
99 authentication realm is included in the message. */
101 #define NTLMFLAG_NEGOTIATE_WORKSTATION_SUPPLIED (1<<13)
102 /* Sent by the client in the Type 1 message to indicate that the client
103 workstation's name is included in the message. */
105 #define NTLMFLAG_NEGOTIATE_LOCAL_CALL (1<<14)
106 /* Sent by the server to indicate that the server and client are on the same
107 machine. Implies that the client may use a pre-established local security
108 context rather than responding to the challenge. */
110 #define NTLMFLAG_NEGOTIATE_ALWAYS_SIGN (1<<15)
111 /* Indicates that authenticated communication between the client and server
112 should be signed with a "dummy" signature. */
114 #define NTLMFLAG_TARGET_TYPE_DOMAIN (1<<16)
115 /* Sent by the server in the Type 2 message to indicate that the target
116 authentication realm is a domain. */
118 #define NTLMFLAG_TARGET_TYPE_SERVER (1<<17)
119 /* Sent by the server in the Type 2 message to indicate that the target
120 authentication realm is a server. */
122 #define NTLMFLAG_TARGET_TYPE_SHARE (1<<18)
123 /* Sent by the server in the Type 2 message to indicate that the target
124 authentication realm is a share. Presumably, this is for share-level
125 authentication. Usage is unclear. */
127 #define NTLMFLAG_NEGOTIATE_NTLM2_KEY (1<<19)
128 /* Indicates that the NTLM2 signing and sealing scheme should be used for
129 protecting authenticated communications. */
131 #define NTLMFLAG_REQUEST_INIT_RESPONSE (1<<20)
132 /* unknown purpose */
134 #define NTLMFLAG_REQUEST_ACCEPT_RESPONSE (1<<21)
135 /* unknown purpose */
137 #define NTLMFLAG_REQUEST_NONNT_SESSION_KEY (1<<22)
138 /* unknown purpose */
140 #define NTLMFLAG_NEGOTIATE_TARGET_INFO (1<<23)
141 /* Sent by the server in the Type 2 message to indicate that it is including a
142 Target Information block in the message. */
150 #define NTLMFLAG_NEGOTIATE_128 (1<<29)
151 /* Indicates that 128-bit encryption is supported. */
153 #define NTLMFLAG_NEGOTIATE_KEY_EXCHANGE (1<<30)
154 /* Indicates that the client will provide an encrypted master key in
155 the "Session Key" field of the Type 3 message. */
157 #define NTLMFLAG_NEGOTIATE_56 (1<<31)
158 /* Indicates that 56-bit encryption is supported. */
160 #endif /* BUILDING_CURL_NTLM_C */
162 #endif /* USE_NTLM */
164 #endif /* HEADER_CURL_NTLM_H */