1 #ifndef HEADER_VAUTH_NTLM_H
2 #define HEADER_VAUTH_NTLM_H
3 /***************************************************************************
5 * Project ___| | | | _ \| |
7 * | (__| |_| | _ <| |___
8 * \___|\___/|_| \_\_____|
10 * Copyright (C) 1998 - 2022, 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 https://curl.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 * SPDX-License-Identifier: curl
25 ***************************************************************************/
27 #include "curl_setup.h"
31 /* NTLM buffer fixed size, large enough for long user + host + domain */
32 #define NTLM_BUFSIZE 1024
34 /* Stuff only required for curl_ntlm_msgs.c */
35 #ifdef BUILDING_CURL_NTLM_MSGS_C
37 /* Flag bits definitions based on
38 https://davenport.sourceforge.net/ntlm.html */
40 #define NTLMFLAG_NEGOTIATE_UNICODE (1<<0)
41 /* Indicates that Unicode strings are supported for use in security buffer
44 #define NTLMFLAG_NEGOTIATE_OEM (1<<1)
45 /* Indicates that OEM strings are supported for use in security buffer data. */
47 #define NTLMFLAG_REQUEST_TARGET (1<<2)
48 /* Requests that the server's authentication realm be included in the Type 2
52 #define NTLMFLAG_NEGOTIATE_SIGN (1<<4)
53 /* Specifies that authenticated communication between the client and server
54 should carry a digital signature (message integrity). */
56 #define NTLMFLAG_NEGOTIATE_SEAL (1<<5)
57 /* Specifies that authenticated communication between the client and server
58 should be encrypted (message confidentiality). */
60 #define NTLMFLAG_NEGOTIATE_DATAGRAM_STYLE (1<<6)
61 /* Indicates that datagram authentication is being used. */
63 #define NTLMFLAG_NEGOTIATE_LM_KEY (1<<7)
64 /* Indicates that the LAN Manager session key should be used for signing and
65 sealing authenticated communications. */
67 #define NTLMFLAG_NEGOTIATE_NETWARE (1<<8)
70 #define NTLMFLAG_NEGOTIATE_NTLM_KEY (1<<9)
71 /* Indicates that NTLM authentication is being used. */
75 #define NTLMFLAG_NEGOTIATE_ANONYMOUS (1<<11)
76 /* Sent by the client in the Type 3 message to indicate that an anonymous
77 context has been established. This also affects the response fields. */
79 #define NTLMFLAG_NEGOTIATE_DOMAIN_SUPPLIED (1<<12)
80 /* Sent by the client in the Type 1 message to indicate that a desired
81 authentication realm is included in the message. */
83 #define NTLMFLAG_NEGOTIATE_WORKSTATION_SUPPLIED (1<<13)
84 /* Sent by the client in the Type 1 message to indicate that the client
85 workstation's name is included in the message. */
87 #define NTLMFLAG_NEGOTIATE_LOCAL_CALL (1<<14)
88 /* Sent by the server to indicate that the server and client are on the same
89 machine. Implies that the client may use a pre-established local security
90 context rather than responding to the challenge. */
92 #define NTLMFLAG_NEGOTIATE_ALWAYS_SIGN (1<<15)
93 /* Indicates that authenticated communication between the client and server
94 should be signed with a "dummy" signature. */
96 #define NTLMFLAG_TARGET_TYPE_DOMAIN (1<<16)
97 /* Sent by the server in the Type 2 message to indicate that the target
98 authentication realm is a domain. */
100 #define NTLMFLAG_TARGET_TYPE_SERVER (1<<17)
101 /* Sent by the server in the Type 2 message to indicate that the target
102 authentication realm is a server. */
104 #define NTLMFLAG_TARGET_TYPE_SHARE (1<<18)
105 /* Sent by the server in the Type 2 message to indicate that the target
106 authentication realm is a share. Presumably, this is for share-level
107 authentication. Usage is unclear. */
109 #define NTLMFLAG_NEGOTIATE_NTLM2_KEY (1<<19)
110 /* Indicates that the NTLM2 signing and sealing scheme should be used for
111 protecting authenticated communications. */
113 #define NTLMFLAG_REQUEST_INIT_RESPONSE (1<<20)
114 /* unknown purpose */
116 #define NTLMFLAG_REQUEST_ACCEPT_RESPONSE (1<<21)
117 /* unknown purpose */
119 #define NTLMFLAG_REQUEST_NONNT_SESSION_KEY (1<<22)
120 /* unknown purpose */
122 #define NTLMFLAG_NEGOTIATE_TARGET_INFO (1<<23)
123 /* Sent by the server in the Type 2 message to indicate that it is including a
124 Target Information block in the message. */
132 #define NTLMFLAG_NEGOTIATE_128 (1<<29)
133 /* Indicates that 128-bit encryption is supported. */
135 #define NTLMFLAG_NEGOTIATE_KEY_EXCHANGE (1<<30)
136 /* Indicates that the client will provide an encrypted master key in
137 the "Session Key" field of the Type 3 message. */
139 #define NTLMFLAG_NEGOTIATE_56 (1<<31)
140 /* Indicates that 56-bit encryption is supported. */
142 #endif /* BUILDING_CURL_NTLM_MSGS_C */
144 #endif /* USE_NTLM */
146 #endif /* HEADER_VAUTH_NTLM_H */