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 3 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, see <http://www.gnu.org/licenses/>.
22 #ifndef _DCE_RPC_H /* _DCE_RPC_H */
25 /* DCE/RPC packet types */
28 RPC_REQUEST
= 0x00, /* Ordinary request. */
29 RPC_PING
= 0x01, /* Connectionless is server alive ? */
30 RPC_RESPONSE
= 0x02, /* Ordinary reply. */
31 RPC_FAULT
= 0x03, /* Fault in processing of call. */
32 RPC_WORKING
= 0x04, /* Connectionless reply to a ping when server busy. */
33 RPC_NOCALL
= 0x05, /* Connectionless reply to a ping when server has lost part of clients call. */
34 RPC_REJECT
= 0x06, /* Refuse a request with a code. */
35 RPC_ACK
= 0x07, /* Connectionless client to server code. */
36 RPC_CL_CANCEL
= 0x08, /* Connectionless cancel. */
37 RPC_FACK
= 0x09, /* Connectionless fragment ack. Both client and server send. */
38 RPC_CANCEL_ACK
= 0x0A, /* Server ACK to client cancel request. */
39 RPC_BIND
= 0x0B, /* Bind to interface. */
40 RPC_BINDACK
= 0x0C, /* Server ack of bind. */
41 RPC_BINDNACK
= 0x0D, /* Server nack of bind. */
42 RPC_ALTCONT
= 0x0E, /* Alter auth. */
43 RPC_ALTCONTRESP
= 0x0F, /* Reply to alter auth. */
44 RPC_AUTH3
= 0x10, /* not the real name! this is undocumented! */
45 RPC_SHUTDOWN
= 0x11, /* Server to client request to shutdown. */
46 RPC_CO_CANCEL
= 0x12, /* Connection-oriented cancel request. */
47 RPC_ORPHANED
= 0x13 /* Client telling server it's aborting a partially sent request or telling
48 server to stop sending replies. */
52 #define RPC_FLG_FIRST 0x01
53 #define RPC_FLG_LAST 0x02
54 #define RPC_FLG_NOCALL 0x20
57 #define SMBD_NTLMSSP_NEG_FLAGS 0x000082b1 /* ALWAYS_SIGN|NEG_NTLM|NEG_LM|NEG_SEAL|NEG_SIGN|NEG_UNICODE */
59 /* NTLMSSP signature version */
60 #define NTLMSSP_SIGN_VERSION 0x01
62 /* DCE RPC auth types - extended by Microsoft. */
63 #define RPC_ANONYMOUS_AUTH_TYPE 0
64 #define RPC_AUTH_TYPE_KRB5_1 1
65 #define RPC_SPNEGO_AUTH_TYPE 9
66 #define RPC_NTLMSSP_AUTH_TYPE 10
67 #define RPC_KRB5_AUTH_TYPE 16 /* Not yet implemented. */
68 #define RPC_SCHANNEL_AUTH_TYPE 68 /* 0x44 */
70 /* DCE-RPC standard identifiers to indicate
71 signing or sealing of an RPC pipe */
72 #define RPC_AUTH_LEVEL_NONE 1
73 #define RPC_AUTH_LEVEL_CONNECT 2
74 #define RPC_AUTH_LEVEL_CALL 3
75 #define RPC_AUTH_LEVEL_PACKET 4
76 #define RPC_AUTH_LEVEL_INTEGRITY 5
77 #define RPC_AUTH_LEVEL_PRIVACY 6
80 #define RPC_PIPE_AUTH_SIGN_LEVEL 0x5
81 #define RPC_PIPE_AUTH_SEAL_LEVEL 0x6
84 #define DCERPC_FAULT_OP_RNG_ERROR 0x1c010002
85 #define DCERPC_FAULT_UNK_IF 0x1c010003
86 #define DCERPC_FAULT_INVALID_TAG 0x1c000006
87 #define DCERPC_FAULT_CONTEXT_MISMATCH 0x1c00001a
88 #define DCERPC_FAULT_OTHER 0x00000001
89 #define DCERPC_FAULT_ACCESS_DENIED 0x00000005
90 #define DCERPC_FAULT_CANT_PERFORM 0x000006d8
91 #define DCERPC_FAULT_NDR 0x000006f7
94 /* Netlogon schannel auth type and level */
95 #define SCHANNEL_SIGN_SIGNATURE { 0x77, 0x00, 0xff, 0xff, 0xff, 0xff, 0x00, 0x00 }
96 #define SCHANNEL_SEAL_SIGNATURE { 0x77, 0x00, 0x7a, 0x00, 0xff, 0xff, 0x00, 0x00 }
98 #define RPC_AUTH_SCHANNEL_SIGN_OR_SEAL_CHK_LEN 0x20
99 #define RPC_AUTH_SCHANNEL_SIGN_ONLY_CHK_LEN 0x18
102 #define NETLOGON_NEG_ARCFOUR 0x00000004
103 #define NETLOGON_NEG_128BIT 0x00004000
104 #define NETLOGON_NEG_SCHANNEL 0x40000000
106 /* The 7 here seems to be required to get Win2k not to downgrade us
107 to NT4. Actually, anything other than 1ff would seem to do... */
108 #define NETLOGON_NEG_AUTH2_FLAGS 0x000701ff
109 #define NETLOGON_NEG_DOMAIN_TRUST_ACCOUNT 0x2010b000
111 /* these are the flags that ADS clients use */
112 #define NETLOGON_NEG_AUTH2_ADS_FLAGS (0x200fbffb | NETLOGON_NEG_ARCFOUR | NETLOGON_NEG_128BIT | NETLOGON_NEG_SCHANNEL)
114 enum schannel_direction
{
119 /* Maximum size of the signing data in a fragment. */
120 #define RPC_MAX_SIGN_SIZE 0x20 /* 32 */
122 /* Maximum PDU fragment size. */
123 /* #define MAX_PDU_FRAG_LEN 0x1630 this is what wnt sets */
124 #define RPC_MAX_PDU_FRAG_LEN 0x10b8 /* this is what w2k sets */
127 typedef struct rpc_iface_info
{
128 struct GUID uuid
; /* 16 bytes of rpc interface identification */
129 uint32 version
; /* the interface version number */
132 #define RPC_IFACE_LEN (UUID_SIZE + 4)
134 struct pipe_id_info
{
135 /* the names appear not to matter: the syntaxes _do_ matter */
137 const char *client_pipe
;
138 RPC_IFACE abstr_syntax
; /* this one is the abstract syntax id */
140 const char *server_pipe
; /* this one is the secondary syntax name */
141 RPC_IFACE trans_syntax
; /* this one is the primary syntax id */
144 /* RPC_HDR - dce rpc header */
145 typedef struct rpc_hdr_info
{
146 uint8 major
; /* 5 - RPC major version */
147 uint8 minor
; /* 0 - RPC minor version */
148 uint8 pkt_type
; /* RPC_PKT_TYPE - RPC response packet */
149 uint8 flags
; /* DCE/RPC flags */
150 uint8 pack_type
[4]; /* 0x1000 0000 - little-endian packed data representation */
151 uint16 frag_len
; /* fragment length - data size (bytes) inc header and tail. */
152 uint16 auth_len
; /* 0 - authentication length */
153 uint32 call_id
; /* call identifier. matches 12th uint32 of incoming RPC data. */
156 #define RPC_HEADER_LEN 16
158 /* RPC_HDR_REQ - ms request rpc header */
159 typedef struct rpc_hdr_req_info
{
160 uint32 alloc_hint
; /* allocation hint - data size (bytes) minus header and tail. */
161 uint16 context_id
; /* presentation context identifier */
162 uint16 opnum
; /* opnum */
165 #define RPC_HDR_REQ_LEN 8
167 /* RPC_HDR_RESP - ms response rpc header */
168 typedef struct rpc_hdr_resp_info
{
169 uint32 alloc_hint
; /* allocation hint - data size (bytes) minus header and tail. */
170 uint16 context_id
; /* 0 - presentation context identifier */
171 uint8 cancel_count
; /* 0 - cancel count */
172 uint8 reserved
; /* 0 - reserved. */
175 #define RPC_HDR_RESP_LEN 8
177 /* RPC_HDR_FAULT - fault rpc header */
178 typedef struct rpc_hdr_fault_info
{
180 uint32 reserved
; /* 0x0000 0000 */
183 #define RPC_HDR_FAULT_LEN 8
185 /* this seems to be the same string name depending on the name of the pipe,
186 * but is more likely to be linked to the interface name
187 * "srvsvc", "\\PIPE\\ntsvcs"
188 * "samr", "\\PIPE\\lsass"
189 * "wkssvc", "\\PIPE\\wksvcs"
190 * "NETLOGON", "\\PIPE\\NETLOGON"
193 typedef struct rpc_addr_info
{
194 uint16 len
; /* length of the string including null terminator */
195 fstring str
; /* the string above in single byte, null terminated form */
198 /* RPC_HDR_BBA - bind acknowledge, and alter context response. */
199 typedef struct rpc_hdr_bba_info
{
200 uint16 max_tsize
; /* maximum transmission fragment size (0x1630) */
201 uint16 max_rsize
; /* max receive fragment size (0x1630) */
202 uint32 assoc_gid
; /* associated group id (0x0) */
205 #define RPC_HDR_BBA_LEN 8
208 typedef struct rpc_hdr_auth_info
{
209 uint8 auth_type
; /* See XXX_AUTH_TYPE above. */
210 uint8 auth_level
; /* See RPC_PIPE_AUTH_XXX_LEVEL above. */
213 uint32 auth_context_id
;
216 #define RPC_HDR_AUTH_LEN 8
218 /* this is TEMPORARILY coded up as a specific structure */
219 /* this structure comes after the bind request */
220 /* RPC_AUTH_SCHANNEL_NEG */
221 typedef struct rpc_auth_schannel_neg_info
{
222 uint32 type1
; /* Always zero ? */
223 uint32 type2
; /* Types 0x3 and 0x13 seen. Check AcquireSecurityContext() docs.... */
224 fstring domain
; /* calling workstations's domain */
225 fstring myname
; /* calling workstation's name */
226 } RPC_AUTH_SCHANNEL_NEG
;
228 /* attached to the end of encrypted rpc requests and responses */
229 /* RPC_AUTH_SCHANNEL_CHK */
230 typedef struct rpc_auth_schannel_chk_info
{
231 uint8 sig
[8]; /* 77 00 7a 00 ff ff 00 00 */
232 uint8 packet_digest
[8]; /* checksum over the packet, MD5'ed with session key */
233 uint8 seq_num
[8]; /* verifier, seq num */
234 uint8 confounder
[8]; /* random 8-byte nonce */
235 } RPC_AUTH_SCHANNEL_CHK
;
237 typedef struct rpc_context
{
238 uint16 context_id
; /* presentation context identifier. */
239 uint8 num_transfer_syntaxes
; /* the number of syntaxes */
240 RPC_IFACE abstract
; /* num and vers. of interface client is using */
241 RPC_IFACE
*transfer
; /* Array of transfer interfaces. */
244 /* RPC_BIND_REQ - ms req bind */
245 typedef struct rpc_bind_req_info
{
247 uint8 num_contexts
; /* the number of contexts */
248 RPC_CONTEXT
*rpc_context
;
252 * The following length is 8 bytes RPC_HDR_BBA_LEN +
253 * 4 bytes size of context count +
254 * (context_count * (4 bytes of context_id, size of transfer syntax count + RPC_IFACE_LEN bytes +
255 * (transfer_syntax_count * RPC_IFACE_LEN bytes)))
258 #define RPC_HDR_RB_LEN(rpc_hdr_rb) (RPC_HDR_BBA_LEN + 4 + \
259 ((rpc_hdr_rb)->num_contexts) * (4 + RPC_IFACE_LEN + (((rpc_hdr_rb)->rpc_context->num_transfer_syntaxes)*RPC_IFACE_LEN)))
261 /* RPC_RESULTS - can only cope with one reason, right now... */
262 typedef struct rpc_results_info
{
263 /* uint8[] # 4-byte alignment padding, against SMB header */
265 uint8 num_results
; /* the number of results (0x01) */
267 /* uint8[] # 4-byte alignment padding, against SMB header */
269 uint16 result
; /* result (0x00 = accept) */
270 uint16 reason
; /* reason (0x00 = no reason specified) */
274 typedef struct rpc_hdr_ba_info
{
277 RPC_ADDR_STR addr
; /* the secondary address string, as described earlier */
278 RPC_RESULTS res
; /* results and reasons */
279 RPC_IFACE transfer
; /* the transfer syntax from the request */
282 /* RPC_AUTH_VERIFIER */
283 typedef struct rpc_auth_verif_info
{
284 fstring signature
; /* "NTLMSSP".. Ok, not quite anymore */
285 uint32 msg_type
; /* NTLMSSP_MESSAGE_TYPE (1,2,3) and 5 for schannel */
288 #endif /* _DCE_RPC_H */