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 */
40 RPC_ALTCONTRESP = 0x0F,
41 RPC_BINDRESP = 0x10 /* not the real name! this is undocumented! */
45 #define RPC_FLG_FIRST 0x01
46 #define RPC_FLG_LAST 0x02
48 /* NTLMSSP message types */
49 enum NTLM_MESSAGE_TYPE
51 NTLMSSP_NEGOTIATE = 1,
52 NTLMSSP_CHALLENGE = 2,
57 /* NTLMSSP negotiation flags */
58 #define NTLMSSP_NEGOTIATE_UNICODE 0x00000001
59 #define NTLMSSP_NEGOTIATE_OEM 0x00000002
60 #define NTLMSSP_REQUEST_TARGET 0x00000004
61 #define NTLMSSP_NEGOTIATE_SIGN 0x00000010
62 #define NTLMSSP_NEGOTIATE_SEAL 0x00000020
63 #define NTLMSSP_NEGOTIATE_LM_KEY 0x00000080
64 #define NTLMSSP_NEGOTIATE_00000100 0x00000100
65 #define NTLMSSP_NEGOTIATE_NTLM 0x00000200
66 #define NTLMSSP_NEGOTIATE_00000400 0x00000400
67 #define NTLMSSP_NEGOTIATE_00001000 0x00001000
68 #define NTLMSSP_NEGOTIATE_00002000 0x00002000
69 #define NTLMSSP_NEGOTIATE_ALWAYS_SIGN 0x00008000
70 #define NTLMSSP_NEGOTIATE_NTLM2 0x00080000
71 #define NTLMSSP_NEGOTIATE_TARGET_INFO 0x00800000
72 #define NTLMSSP_NEGOTIATE_128 0x20000000
73 #define NTLMSSP_NEGOTIATE_KEY_EXCH 0x40000000
75 /* NTLMSSP signature version */
76 #define NTLMSSP_SIGN_VERSION 0x01
80 typedef struct rpc_iface_info
82 uint8 data[16]; /* 16 bytes of rpc interface identification */
83 uint32 version; /* the interface version number */
89 /* the names appear not to matter: the syntaxes _do_ matter */
92 RPC_IFACE abstr_syntax; /* this one is the abstract syntax id */
94 char *server_pipe; /* this one is the secondary syntax name */
95 RPC_IFACE trans_syntax; /* this one is the primary syntax id */
98 /* RPC_HDR - dce rpc header */
99 typedef struct rpc_hdr_info
101 uint8 major; /* 5 - RPC major version */
102 uint8 minor; /* 0 - RPC minor version */
103 uint8 pkt_type; /* RPC_PKT_TYPE - RPC response packet */
104 uint8 flags; /* DCE/RPC flags */
105 uint32 pack_type; /* 0x1000 0000 - packed data representation */
106 uint16 frag_len; /* fragment length - data size (bytes) inc header and tail. */
107 uint16 auth_len; /* 0 - authentication length */
108 uint32 call_id; /* call identifier. matches 12th uint32 of incoming RPC data. */
112 /* RPC_HDR_REQ - ms request rpc header */
113 typedef struct rpc_hdr_req_info
115 uint32 alloc_hint; /* allocation hint - data size (bytes) minus header and tail. */
116 uint16 context_id; /* 0 - presentation context identifier */
117 uint16 opnum; /* opnum */
121 /* RPC_HDR_RESP - ms response rpc header */
122 typedef struct rpc_hdr_resp_info
124 uint32 alloc_hint; /* allocation hint - data size (bytes) minus header and tail. */
125 uint16 context_id; /* 0 - presentation context identifier */
126 uint8 cancel_count; /* 0 - cancel count */
127 uint8 reserved; /* 0 - reserved. */
131 /* this seems to be the same string name depending on the name of the pipe,
132 * but is more likely to be linked to the interface name
133 * "srvsvc", "\\PIPE\\ntsvcs"
134 * "samr", "\\PIPE\\lsass"
135 * "wkssvc", "\\PIPE\\wksvcs"
136 * "NETLOGON", "\\PIPE\\NETLOGON"
139 typedef struct rpc_addr_info
141 uint16 len; /* length of the string including null terminator */
142 fstring str; /* the string above in single byte, null terminated form */
147 typedef struct rpc_hdr_bba_info
149 uint16 max_tsize; /* maximum transmission fragment size (0x1630) */
150 uint16 max_rsize; /* max receive fragment size (0x1630) */
151 uint32 assoc_gid; /* associated group id (0x0) */
156 typedef struct rpc_hdr_autha_info
158 uint16 max_tsize; /* maximum transmission fragment size (0x1630) */
159 uint16 max_rsize; /* max receive fragment size (0x1630) */
161 uint8 auth_type; /* 0x0a */
162 uint8 auth_level; /* 0x06 */
163 uint8 stub_type_len; /* don't know */
164 uint8 padding; /* padding */
166 uint32 unknown; /* 0x0014a0c0 */
171 typedef struct rpc_hdr_auth_info
173 uint8 auth_type; /* 0x0a */
174 uint8 auth_level; /* 0x06 */
175 uint8 stub_type_len; /* don't know */
176 uint8 padding; /* padding */
178 uint32 unknown; /* pointer */
182 /* RPC_BIND_REQ - ms req bind */
183 typedef struct rpc_bind_req_info
187 uint32 num_elements; /* the number of elements (0x1) */
188 uint16 context_id; /* presentation context identifier (0x0) */
189 uint8 num_syntaxes; /* the number of syntaxes (has always been 1?)(0x1) */
191 RPC_IFACE abstract; /* num and vers. of interface client is using */
192 RPC_IFACE transfer; /* num and vers. of interface to use for replies */
196 /* RPC_RESULTS - can only cope with one reason, right now... */
197 typedef struct rpc_results_info
199 /* uint8[] # 4-byte alignment padding, against SMB header */
201 uint8 num_results; /* the number of results (0x01) */
203 /* uint8[] # 4-byte alignment padding, against SMB header */
205 uint16 result; /* result (0x00 = accept) */
206 uint16 reason; /* reason (0x00 = no reason specified) */
211 typedef struct rpc_hdr_ba_info
215 RPC_ADDR_STR addr ; /* the secondary address string, as described earlier */
216 RPC_RESULTS res ; /* results and reasons */
217 RPC_IFACE transfer; /* the transfer syntax from the request */
221 /* RPC_AUTH_VERIFIER */
222 typedef struct rpc_auth_verif_info
224 fstring signature; /* "NTLMSSP" */
225 uint32 msg_type; /* NTLMSSP_MESSAGE_TYPE (1,2,3) */
229 /* this is TEMPORARILY coded up as a specific structure */
230 /* this structure comes after the bind request */
231 /* RPC_AUTH_NTLMSSP_NEG */
232 typedef struct rpc_auth_ntlmssp_neg_info
234 uint32 neg_flgs; /* 0x0000 b2b3 */
236 STRHDR hdr_myname; /* offset is against START of this structure */
237 STRHDR hdr_domain; /* offset is against START of this structure */
239 fstring myname; /* calling workstation's name */
240 fstring domain; /* calling workstations's domain */
242 } RPC_AUTH_NTLMSSP_NEG;
244 /* this is TEMPORARILY coded up as a specific structure */
245 /* this structure comes after the bind acknowledgement */
246 /* RPC_AUTH_NTLMSSP_CHAL */
247 typedef struct rpc_auth_ntlmssp_chal_info
249 uint32 unknown_1; /* 0x0000 0000 */
250 uint32 unknown_2; /* 0x0000 0028 */
251 uint32 neg_flags; /* 0x0000 82b1 */
253 uint8 challenge[8]; /* ntlm challenge */
254 uint8 reserved [8]; /* zeros */
256 } RPC_AUTH_NTLMSSP_CHAL;
259 /* RPC_AUTH_NTLMSSP_RESP */
260 typedef struct rpc_auth_ntlmssp_resp_info
262 STRHDR hdr_lm_resp; /* 24 byte response */
263 STRHDR hdr_nt_resp; /* 24 byte response */
267 STRHDR hdr_sess_key; /* NULL unless negotiated */
268 uint32 neg_flags; /* 0x0000 82b1 */
277 } RPC_AUTH_NTLMSSP_RESP;
280 /* attached to the end of encrypted rpc requests and responses */
281 /* RPC_AUTH_NTLMSSP_CHK */
282 typedef struct rpc_auth_ntlmssp_chk_info
284 uint32 ver; /* 0x0000 0001 */
286 uint32 crc32; /* checksum using 0xEDB8 8320 as a polynomial */
289 } RPC_AUTH_NTLMSSP_CHK;
291 #endif /* _DCE_RPC_H */