2 Unix SMB/CIFS implementation.
3 SMB parameters and setup
4 Copyright (C) Andrew Tridgell 1992-1997
5 Copyright (C) Luke Kenneth Casson Leighton 1996-1997
6 Copyright (C) Paul Ashton 1997
8 This program is free software; you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by
10 the Free Software Foundation; either version 2 of the License, or
11 (at your option) any later version.
13 This program is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details.
18 You should have received a copy of the GNU General Public License
19 along with this program; if not, write to the Free Software
20 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
23 #ifndef _DCE_RPC_H /* _DCE_RPC_H */
26 #include "rpc_misc.h" /* this only pulls in STRHDR */
29 /* 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
47 #define RPC_FLG_NOCALL 0x20
49 /* NTLMSSP message types */
50 enum NTLM_MESSAGE_TYPE
52 NTLMSSP_NEGOTIATE = 1,
53 NTLMSSP_CHALLENGE = 2,
58 /* NTLMSSP negotiation flags */
59 #define NTLMSSP_NEGOTIATE_UNICODE 0x00000001
60 #define NTLMSSP_NEGOTIATE_OEM 0x00000002
61 #define NTLMSSP_REQUEST_TARGET 0x00000004
62 #define NTLMSSP_NEGOTIATE_SIGN 0x00000010
63 #define NTLMSSP_NEGOTIATE_SEAL 0x00000020
64 #define NTLMSSP_NEGOTIATE_LM_KEY 0x00000080
65 #define NTLMSSP_NEGOTIATE_NTLM 0x00000200
66 #define NTLMSSP_NEGOTIATE_00001000 0x00001000
67 #define NTLMSSP_NEGOTIATE_00002000 0x00002000
68 #define NTLMSSP_NEGOTIATE_ALWAYS_SIGN 0x00008000
69 #define NTLMSSP_NEGOTIATE_NTLM2 0x00080000
70 #define NTLMSSP_NEGOTIATE_TARGET_INFO 0x00800000
71 #define NTLMSSP_NEGOTIATE_128 0x20000000
72 #define NTLMSSP_NEGOTIATE_KEY_EXCH 0x40000000
74 #define SMBD_NTLMSSP_NEG_FLAGS 0x000082b1
76 /* NTLMSSP signature version */
77 #define NTLMSSP_SIGN_VERSION 0x01
79 /* NTLMSSP auth type and level. */
80 #define NTLMSSP_AUTH_TYPE 0xa
81 #define NTLMSSP_AUTH_LEVEL 0x6
83 /* Maximum PDU fragment size. */
84 #define MAX_PDU_FRAG_LEN 0x1630
87 * Actual structure of a DCE UUID
90 typedef struct rpc_uuid
94 uint16 time_hi_and_version;
98 #define RPC_UUID_LEN 16
101 typedef struct rpc_iface_info
103 RPC_UUID uuid; /* 16 bytes of rpc interface identification */
104 uint32 version; /* the interface version number */
108 #define RPC_IFACE_LEN (RPC_UUID_LEN + 4)
112 /* the names appear not to matter: the syntaxes _do_ matter */
115 RPC_IFACE abstr_syntax; /* this one is the abstract syntax id */
117 char *server_pipe; /* this one is the secondary syntax name */
118 RPC_IFACE trans_syntax; /* this one is the primary syntax id */
121 /* RPC_HDR - dce rpc header */
122 typedef struct rpc_hdr_info
124 uint8 major; /* 5 - RPC major version */
125 uint8 minor; /* 0 - RPC minor version */
126 uint8 pkt_type; /* RPC_PKT_TYPE - RPC response packet */
127 uint8 flags; /* DCE/RPC flags */
128 uint8 pack_type[4]; /* 0x1000 0000 - little-endian packed data representation */
129 uint16 frag_len; /* fragment length - data size (bytes) inc header and tail. */
130 uint16 auth_len; /* 0 - authentication length */
131 uint32 call_id; /* call identifier. matches 12th uint32 of incoming RPC data. */
135 #define RPC_HEADER_LEN 16
137 /* RPC_HDR_REQ - ms request rpc header */
138 typedef struct rpc_hdr_req_info
140 uint32 alloc_hint; /* allocation hint - data size (bytes) minus header and tail. */
141 uint16 context_id; /* 0 - presentation context identifier */
142 uint16 opnum; /* opnum */
146 #define RPC_HDR_REQ_LEN 8
148 /* RPC_HDR_RESP - ms response rpc header */
149 typedef struct rpc_hdr_resp_info
151 uint32 alloc_hint; /* allocation hint - data size (bytes) minus header and tail. */
152 uint16 context_id; /* 0 - presentation context identifier */
153 uint8 cancel_count; /* 0 - cancel count */
154 uint8 reserved; /* 0 - reserved. */
158 #define RPC_HDR_RESP_LEN 8
160 /* RPC_HDR_FAULT - fault rpc header */
161 typedef struct rpc_hdr_fault_info
164 uint32 reserved; /* 0x0000 0000 */
167 #define RPC_HDR_FAULT_LEN 8
169 /* this seems to be the same string name depending on the name of the pipe,
170 * but is more likely to be linked to the interface name
171 * "srvsvc", "\\PIPE\\ntsvcs"
172 * "samr", "\\PIPE\\lsass"
173 * "wkssvc", "\\PIPE\\wksvcs"
174 * "NETLOGON", "\\PIPE\\NETLOGON"
177 typedef struct rpc_addr_info
179 uint16 len; /* length of the string including null terminator */
180 fstring str; /* the string above in single byte, null terminated form */
185 typedef struct rpc_hdr_bba_info
187 uint16 max_tsize; /* maximum transmission fragment size (0x1630) */
188 uint16 max_rsize; /* max receive fragment size (0x1630) */
189 uint32 assoc_gid; /* associated group id (0x0) */
193 #define RPC_HDR_BBA_LEN 8
196 typedef struct rpc_hdr_autha_info
198 uint16 max_tsize; /* maximum transmission fragment size (0x1630) */
199 uint16 max_rsize; /* max receive fragment size (0x1630) */
201 uint8 auth_type; /* 0x0a */
202 uint8 auth_level; /* 0x06 */
203 uint8 stub_type_len; /* don't know */
204 uint8 padding; /* padding */
206 uint32 unknown; /* 0x0014a0c0 */
210 #define RPC_HDR_AUTHA_LEN 12
213 typedef struct rpc_hdr_auth_info
215 uint8 auth_type; /* 0x0a */
216 uint8 auth_level; /* 0x06 */
217 uint8 stub_type_len; /* don't know */
218 uint8 padding; /* padding */
220 uint32 unknown; /* pointer */
224 #define RPC_HDR_AUTH_LEN 8
226 /* RPC_BIND_REQ - ms req bind */
227 typedef struct rpc_bind_req_info
231 uint32 num_elements; /* the number of elements (0x1) */
232 uint16 context_id; /* presentation context identifier (0x0) */
233 uint8 num_syntaxes; /* the number of syntaxes (has always been 1?)(0x1) */
235 RPC_IFACE abstract; /* num and vers. of interface client is using */
236 RPC_IFACE transfer; /* num and vers. of interface to use for replies */
241 * The following length is 8 bytes RPC_HDR_BBA_LEN, 8 bytes internals
242 * (with 3 bytes padding), + 2 x RPC_IFACE_LEN bytes for RPC_IFACE structs.
245 #define RPC_HDR_RB_LEN (RPC_HDR_BBA_LEN + 8 + (2*RPC_IFACE_LEN))
247 /* RPC_RESULTS - can only cope with one reason, right now... */
248 typedef struct rpc_results_info
250 /* uint8[] # 4-byte alignment padding, against SMB header */
252 uint8 num_results; /* the number of results (0x01) */
254 /* uint8[] # 4-byte alignment padding, against SMB header */
256 uint16 result; /* result (0x00 = accept) */
257 uint16 reason; /* reason (0x00 = no reason specified) */
262 typedef struct rpc_hdr_ba_info
266 RPC_ADDR_STR addr ; /* the secondary address string, as described earlier */
267 RPC_RESULTS res ; /* results and reasons */
268 RPC_IFACE transfer; /* the transfer syntax from the request */
272 /* RPC_AUTH_VERIFIER */
273 typedef struct rpc_auth_verif_info
275 fstring signature; /* "NTLMSSP" */
276 uint32 msg_type; /* NTLMSSP_MESSAGE_TYPE (1,2,3) */
280 /* this is TEMPORARILY coded up as a specific structure */
281 /* this structure comes after the bind request */
282 /* RPC_AUTH_NTLMSSP_NEG */
283 typedef struct rpc_auth_ntlmssp_neg_info
285 uint32 neg_flgs; /* 0x0000 b2b3 */
287 STRHDR hdr_myname; /* offset is against START of this structure */
288 STRHDR hdr_domain; /* offset is against START of this structure */
290 fstring myname; /* calling workstation's name */
291 fstring domain; /* calling workstations's domain */
293 } RPC_AUTH_NTLMSSP_NEG;
295 /* this is TEMPORARILY coded up as a specific structure */
296 /* this structure comes after the bind acknowledgement */
297 /* RPC_AUTH_NTLMSSP_CHAL */
298 typedef struct rpc_auth_ntlmssp_chal_info
300 uint32 unknown_1; /* 0x0000 0000 */
301 uint32 unknown_2; /* 0x0000 0028 */
302 uint32 neg_flags; /* 0x0000 82b1 */
304 uint8 challenge[8]; /* ntlm challenge */
305 uint8 reserved [8]; /* zeros */
307 } RPC_AUTH_NTLMSSP_CHAL;
310 /* RPC_AUTH_NTLMSSP_RESP */
311 typedef struct rpc_auth_ntlmssp_resp_info
313 STRHDR hdr_lm_resp; /* 24 byte response */
314 STRHDR hdr_nt_resp; /* 24 byte response */
318 STRHDR hdr_sess_key; /* NULL unless negotiated */
319 uint32 neg_flags; /* 0x0000 82b1 */
328 } RPC_AUTH_NTLMSSP_RESP;
330 /* attached to the end of encrypted rpc requests and responses */
331 /* RPC_AUTH_NTLMSSP_CHK */
332 typedef struct rpc_auth_ntlmssp_chk_info
334 uint32 ver; /* 0x0000 0001 */
336 uint32 crc32; /* checksum using 0xEDB8 8320 as a polynomial */
339 } RPC_AUTH_NTLMSSP_CHK;
341 #define RPC_AUTH_NTLMSSP_CHK_LEN 16
344 #endif /* _DCE_RPC_H */