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 */
29 /* DCE/RPC packet types */
39 RPC_ALTCONTRESP = 0x0F,
40 RPC_BINDRESP = 0x10 /* not the real name! this is undocumented! */
44 #define RPC_FLG_FIRST 0x01
45 #define RPC_FLG_LAST 0x02
46 #define RPC_FLG_NOCALL 0x20
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 /* RPC_HDR_FAULT - ms fault rpc header */
132 typedef struct rpc_hdr_fault_info
135 uint32 reserved; /* 0x0000 0000 */
139 /* this seems to be the same string name depending on the name of the pipe,
140 * but is more likely to be linked to the interface name
141 * "srvsvc", "\\PIPE\\ntsvcs"
142 * "samr", "\\PIPE\\lsass"
143 * "wkssvc", "\\PIPE\\wksvcs"
144 * "NETLOGON", "\\PIPE\\NETLOGON"
147 typedef struct rpc_addr_info
149 uint16 len; /* length of the string including null terminator */
150 fstring str; /* the string above in single byte, null terminated form */
155 typedef struct rpc_hdr_bba_info
157 uint16 max_tsize; /* maximum transmission fragment size (0x1630) */
158 uint16 max_rsize; /* max receive fragment size (0x1630) */
159 uint32 assoc_gid; /* associated group id (0x0) */
164 typedef struct rpc_hdr_autha_info
166 uint16 max_tsize; /* maximum transmission fragment size (0x1630) */
167 uint16 max_rsize; /* max receive fragment size (0x1630) */
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; /* 0x0014a0c0 */
179 typedef struct rpc_hdr_auth_info
181 uint8 auth_type; /* 0x0a */
182 uint8 auth_level; /* 0x06 */
183 uint8 stub_type_len; /* don't know */
184 uint8 padding; /* padding */
186 uint32 unknown; /* pointer */
190 /* RPC_BIND_REQ - ms req bind */
191 typedef struct rpc_bind_req_info
195 uint32 num_elements; /* the number of elements (0x1) */
196 uint16 context_id; /* presentation context identifier (0x0) */
197 uint8 num_syntaxes; /* the number of syntaxes (has always been 1?)(0x1) */
199 RPC_IFACE abstract; /* num and vers. of interface client is using */
200 RPC_IFACE transfer; /* num and vers. of interface to use for replies */
204 /* RPC_RESULTS - can only cope with one reason, right now... */
205 typedef struct rpc_results_info
207 /* uint8[] # 4-byte alignment padding, against SMB header */
209 uint8 num_results; /* the number of results (0x01) */
211 /* uint8[] # 4-byte alignment padding, against SMB header */
213 uint16 result; /* result (0x00 = accept) */
214 uint16 reason; /* reason (0x00 = no reason specified) */
219 typedef struct rpc_hdr_ba_info
223 RPC_ADDR_STR addr ; /* the secondary address string, as described earlier */
224 RPC_RESULTS res ; /* results and reasons */
225 RPC_IFACE transfer; /* the transfer syntax from the request */
229 /* RPC_AUTH_NTLMSSP_VERIFIER */
230 typedef struct rpc_auth_ntlmssp_verif_info
232 fstring signature; /* "NTLMSSP" */
233 uint32 msg_type; /* NTLMSSP_MESSAGE_TYPE (1,2,3) */
235 } RPC_AUTH_NTLMSSP_VERIFIER;
237 /* this is TEMPORARILY coded up as a specific structure */
238 /* this structure comes after the bind request */
239 /* RPC_AUTH_NTLMSSP_NEG */
240 typedef struct rpc_auth_ntlmssp_neg_info
242 uint32 neg_flgs; /* 0x0000 b2b3 */
244 STRHDR hdr_myname; /* offset is against START of this structure */
245 STRHDR hdr_domain; /* offset is against START of this structure */
247 fstring myname; /* calling workstation's name */
248 fstring domain; /* calling workstations's domain */
250 } RPC_AUTH_NTLMSSP_NEG;
252 /* this is TEMPORARILY coded up as a specific structure */
253 /* this structure comes after the bind acknowledgement */
254 /* RPC_AUTH_NTLMSSP_CHAL */
255 typedef struct rpc_auth_ntlmssp_chal_info
257 uint32 unknown_1; /* 0x0000 0000 */
258 uint32 unknown_2; /* 0x0000 0028 */
259 uint32 neg_flags; /* 0x0000 82b1 */
261 uint8 challenge[8]; /* ntlm challenge */
262 uint8 reserved [8]; /* zeros */
264 } RPC_AUTH_NTLMSSP_CHAL;
267 /* RPC_AUTH_NTLMSSP_RESP */
268 typedef struct rpc_auth_ntlmssp_resp_info
270 STRHDR hdr_lm_resp; /* LM response (NULL or 24 bytes) */
271 STRHDR hdr_nt_resp; /* NT response (NULL, 24 or variable-length) */
275 STRHDR hdr_sess_key; /* NULL unless negotiated */
276 uint32 neg_flags; /* 0x0000 82b1 */
285 } RPC_AUTH_NTLMSSP_RESP;
288 /* attached to the end of encrypted rpc requests and responses */
289 /* RPC_AUTH_NTLMSSP_CHK */
290 typedef struct rpc_auth_ntlmssp_chk_info
292 uint32 ver; /* 0x0000 0001 */
294 uint32 crc32; /* checksum using 0xEDB8 8320 as a polynomial */
297 } RPC_AUTH_NTLMSSP_CHK;
299 #endif /* _DCE_RPC_H */