2 Unix SMB/Netbios implementation.
4 SMB parameters and setup
5 Copyright (C) Andrew Tridgell 1992-1997
6 Copyright (C) Luke Kenneth Casson Leighton 1996-1997
7 Copyright (C) Paul Ashton 1997
9 This program is free software; you can redistribute it and/or modify
10 it under the terms of the GNU General Public License as published by
11 the Free Software Foundation; either version 2 of the License, or
12 (at your option) any later version.
14 This program is distributed in the hope that it will be useful,
15 but WITHOUT ANY WARRANTY; without even the implied warranty of
16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 GNU General Public License for more details.
19 You should have received a copy of the GNU General Public License
20 along with this program; if not, write to the Free Software
21 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
24 #ifndef _DCE_RPC_H /* _DCE_RPC_H */
27 #include "rpc_misc.h" /* this only pulls in STRHDR */
30 /* DCE/RPC packet types */
39 RPC_BINDRESP
= 0x10 /* not the real name! this is undocumented! */
43 #define RPC_FLG_FIRST 0x01
44 #define RPC_FLG_LAST 0x02
46 /* NTLMSSP message types */
47 enum NTLM_MESSAGE_TYPE
49 NTLMSSP_NEGOTIATE
= 1,
50 NTLMSSP_CHALLENGE
= 2,
55 /* NTLMSSP negotiation flags */
56 #define NTLMSSP_NEGOTIATE_UNICODE 0x00000001
57 #define NTLMSSP_NEGOTIATE_OEM 0x00000002
58 #define NTLMSSP_REQUEST_TARGET 0x00000004
59 #define NTLMSSP_NEGOTIATE_SIGN 0x00000010
60 #define NTLMSSP_NEGOTIATE_SEAL 0x00000020
61 #define NTLMSSP_NEGOTIATE_LM_KEY 0x00000080
62 #define NTLMSSP_NEGOTIATE_NTLM 0x00000200
63 #define NTLMSSP_NEGOTIATE_00001000 0x00001000
64 #define NTLMSSP_NEGOTIATE_00002000 0x00002000
65 #define NTLMSSP_NEGOTIATE_ALWAYS_SIGN 0x00008000
66 #define NTLMSSP_NEGOTIATE_NTLM2 0x00080000
67 #define NTLMSSP_NEGOTIATE_TARGET_INFO 0x00800000
68 #define NTLMSSP_NEGOTIATE_128 0x20000000
69 #define NTLMSSP_NEGOTIATE_KEY_EXCH 0x40000000
71 /* NTLMSSP signature version */
72 #define NTLMSSP_SIGN_VERSION 0x01
76 typedef struct rpc_iface_info
78 uint8 data
[16]; /* 16 bytes of rpc interface identification */
79 uint32 version
; /* the interface version number */
85 /* the names appear not to matter: the syntaxes _do_ matter */
88 RPC_IFACE abstr_syntax
; /* this one is the abstract syntax id */
90 char *server_pipe
; /* this one is the secondary syntax name */
91 RPC_IFACE trans_syntax
; /* this one is the primary syntax id */
94 /* RPC_HDR - dce rpc header */
95 typedef struct rpc_hdr_info
97 uint8 major
; /* 5 - RPC major version */
98 uint8 minor
; /* 0 - RPC minor version */
99 uint8 pkt_type
; /* RPC_PKT_TYPE - RPC response packet */
100 uint8 flags
; /* DCE/RPC flags */
101 uint32 pack_type
; /* 0x1000 0000 - packed data representation */
102 uint16 frag_len
; /* fragment length - data size (bytes) inc header and tail. */
103 uint16 auth_len
; /* 0 - authentication length */
104 uint32 call_id
; /* call identifier. matches 12th uint32 of incoming RPC data. */
108 /* RPC_HDR_REQ - ms request rpc header */
109 typedef struct rpc_hdr_req_info
111 uint32 alloc_hint
; /* allocation hint - data size (bytes) minus header and tail. */
112 uint16 context_id
; /* 0 - presentation context identifier */
113 uint16 opnum
; /* opnum */
117 /* RPC_HDR_RESP - ms response rpc header */
118 typedef struct rpc_hdr_resp_info
120 uint32 alloc_hint
; /* allocation hint - data size (bytes) minus header and tail. */
121 uint16 context_id
; /* 0 - presentation context identifier */
122 uint8 cancel_count
; /* 0 - cancel count */
123 uint8 reserved
; /* 0 - reserved. */
127 /* this seems to be the same string name depending on the name of the pipe,
128 * but is more likely to be linked to the interface name
129 * "srvsvc", "\\PIPE\\ntsvcs"
130 * "samr", "\\PIPE\\lsass"
131 * "wkssvc", "\\PIPE\\wksvcs"
132 * "NETLOGON", "\\PIPE\\NETLOGON"
135 typedef struct rpc_addr_info
137 uint16 len
; /* length of the string including null terminator */
138 fstring str
; /* the string above in single byte, null terminated form */
143 typedef struct rpc_hdr_bba_info
145 uint16 max_tsize
; /* maximum transmission fragment size (0x1630) */
146 uint16 max_rsize
; /* max receive fragment size (0x1630) */
147 uint32 assoc_gid
; /* associated group id (0x0) */
152 typedef struct rpc_hdr_autha_info
154 uint16 max_tsize
; /* maximum transmission fragment size (0x1630) */
155 uint16 max_rsize
; /* max receive fragment size (0x1630) */
157 uint8 auth_type
; /* 0x0a */
158 uint8 auth_level
; /* 0x06 */
159 uint8 stub_type_len
; /* don't know */
160 uint8 padding
; /* padding */
162 uint32 unknown
; /* 0x0014a0c0 */
167 typedef struct rpc_hdr_auth_info
169 uint8 auth_type
; /* 0x0a */
170 uint8 auth_level
; /* 0x06 */
171 uint8 stub_type_len
; /* don't know */
172 uint8 padding
; /* padding */
174 uint32 unknown
; /* pointer */
178 /* RPC_BIND_REQ - ms req bind */
179 typedef struct rpc_bind_req_info
183 uint32 num_elements
; /* the number of elements (0x1) */
184 uint16 context_id
; /* presentation context identifier (0x0) */
185 uint8 num_syntaxes
; /* the number of syntaxes (has always been 1?)(0x1) */
187 RPC_IFACE abstract
; /* num and vers. of interface client is using */
188 RPC_IFACE transfer
; /* num and vers. of interface to use for replies */
192 /* RPC_RESULTS - can only cope with one reason, right now... */
193 typedef struct rpc_results_info
195 /* uint8[] # 4-byte alignment padding, against SMB header */
197 uint8 num_results
; /* the number of results (0x01) */
199 /* uint8[] # 4-byte alignment padding, against SMB header */
201 uint16 result
; /* result (0x00 = accept) */
202 uint16 reason
; /* reason (0x00 = no reason specified) */
207 typedef struct rpc_hdr_ba_info
211 RPC_ADDR_STR addr
; /* the secondary address string, as described earlier */
212 RPC_RESULTS res
; /* results and reasons */
213 RPC_IFACE transfer
; /* the transfer syntax from the request */
217 /* RPC_AUTH_VERIFIER */
218 typedef struct rpc_auth_verif_info
220 fstring signature
; /* "NTLMSSP" */
221 uint32 msg_type
; /* NTLMSSP_MESSAGE_TYPE (1,2,3) */
225 /* this is TEMPORARILY coded up as a specific structure */
226 /* this structure comes after the bind request */
227 /* RPC_AUTH_NTLMSSP_NEG */
228 typedef struct rpc_auth_ntlmssp_neg_info
230 uint32 neg_flgs
; /* 0x0000 b2b3 */
232 STRHDR hdr_myname
; /* offset is against START of this structure */
233 STRHDR hdr_domain
; /* offset is against START of this structure */
235 fstring myname
; /* calling workstation's name */
236 fstring domain
; /* calling workstations's domain */
238 } RPC_AUTH_NTLMSSP_NEG
;
240 /* this is TEMPORARILY coded up as a specific structure */
241 /* this structure comes after the bind acknowledgement */
242 /* RPC_AUTH_NTLMSSP_CHAL */
243 typedef struct rpc_auth_ntlmssp_chal_info
245 uint32 unknown_1
; /* 0x0000 0000 */
246 uint32 unknown_2
; /* 0x0000 0028 */
247 uint32 neg_flags
; /* 0x0000 82b1 */
249 uint8 challenge
[8]; /* ntlm challenge */
250 uint8 reserved
[8]; /* zeros */
252 } RPC_AUTH_NTLMSSP_CHAL
;
255 /* RPC_AUTH_NTLMSSP_RESP */
256 typedef struct rpc_auth_ntlmssp_resp_info
258 STRHDR hdr_lm_resp
; /* 24 byte response */
259 STRHDR hdr_nt_resp
; /* 24 byte response */
263 STRHDR hdr_sess_key
; /* NULL unless negotiated */
264 uint32 neg_flags
; /* 0x0000 82b1 */
273 } RPC_AUTH_NTLMSSP_RESP
;
276 /* attached to the end of encrypted rpc requests and responses */
277 /* RPC_AUTH_NTLMSSP_CHK */
278 typedef struct rpc_auth_ntlmssp_chk_info
280 uint32 ver
; /* 0x0000 0001 */
282 uint32 crc32
; /* checksum using 0xEDB8 8320 as a polynomial */
285 } RPC_AUTH_NTLMSSP_CHK
;
287 #endif /* _DCE_RPC_H */