4 the base dcerpc packet definitions - not traditionally coded as IDL,
5 but given that pidl can handle it nicely it simplifies things a lot
8 See [C706 - DCE 1.1: Remote Procedure Call] for the OpenGroup
10 http://pubs.opengroup.org/onlinepubs/9629399/toc.htm
12 See C706 - Chapter 12: RPC PDU Encodings for packet layouts:
13 http://www.opengroup.org/onlinepubs/9629399/chap12.htm
15 See also [MS-RPCE] for the Microsoft
16 "Remote Procedure Call Protocol Extensions".
17 http://msdn.microsoft.com/en-us/library/cc243560.aspx
22 cpp_quote("extern const uint8_t DCERPC_SEC_VT_MAGIC[8];")
25 helper("../librpc/ndr/ndr_dcerpc.h")
31 uint8 num_transfer_syntaxes;
32 ndr_syntax_id abstract_syntax;
33 ndr_syntax_id transfer_syntaxes[num_transfer_syntaxes];
36 typedef [public] struct {
39 uint32 assoc_group_id;
41 dcerpc_ctx_list ctx_list[num_contexts];
42 [flag(NDR_REMAINING)] DATA_BLOB auth_info;
45 const uint8 DCERPC_REQUEST_LENGTH = 24;
50 typedef [nodiscriminant] union {
51 [case(LIBNDR_FLAG_OBJECT_PRESENT)] GUID object;
52 [default] dcerpc_empty empty;
60 * NDR_DCERPC_REQUEST_OBJECT_PRESENT
61 * is defined differently for ndr_dcerpc.c and py_dcerpc.c
63 [switch_is(NDR_DCERPC_REQUEST_OBJECT_PRESENT)] dcerpc_object object;
64 [flag(NDR_ALIGN8)] DATA_BLOB _pad;
65 [flag(NDR_REMAINING)] DATA_BLOB stub_and_verifier;
68 typedef [enum16bit] enum {
69 DCERPC_BIND_ACK_RESULT_ACCEPTANCE = 0,
70 DCERPC_BIND_ACK_RESULT_USER_REJECTION = 1,
71 DCERPC_BIND_ACK_RESULT_PROVIDER_REJECTION = 2,
72 DCERPC_BIND_ACK_RESULT_NEGOTIATE_ACK = 3
73 } dcerpc_bind_ack_result;
75 const int DCERPC_BIND_PROVIDER_REJECT =
76 DCERPC_BIND_ACK_RESULT_PROVIDER_REJECTION;
78 typedef [enum16bit] enum {
79 DCERPC_BIND_ACK_REASON_NOT_SPECIFIED = 0,
80 DCERPC_BIND_ACK_REASON_ABSTRACT_SYNTAX_NOT_SUPPORTED = 1,
81 DCERPC_BIND_ACK_REASON_TRANSFER_SYNTAXES_NOT_SUPPORTED = 2,
82 DCERPC_BIND_ACK_REASON_LOCAL_LIMIT_EXCEEDED = 3
83 } dcerpc_bind_ack_reason_values;
85 const int DCERPC_BIND_REASON_ASYNTAX =
86 DCERPC_BIND_ACK_REASON_ABSTRACT_SYNTAX_NOT_SUPPORTED;
88 typedef [bitmap16bit] bitmap {
89 DCERPC_BIND_TIME_SECURITY_CONTEXT_MULTIPLEXING = 0x0001,
90 DCERPC_BIND_TIME_KEEP_CONNECTION_ON_ORPHAN = 0x0002
91 } dcerpc_bind_time_features;
93 typedef [nodiscriminant] union {
94 [case(DCERPC_BIND_ACK_RESULT_NEGOTIATE_ACK)]
95 dcerpc_bind_time_features negotiate;
96 [default] dcerpc_bind_ack_reason_values value;
97 } dcerpc_bind_ack_reason;
100 dcerpc_bind_ack_result result;
101 [switch_is(result)] dcerpc_bind_ack_reason reason;
102 ndr_syntax_id syntax;
106 uint16 max_xmit_frag;
107 uint16 max_recv_frag;
108 uint32 assoc_group_id;
109 [value(strlen_m_term_null(secondary_address))] uint16 secondary_address_size;
110 [charset(DOS)] uint8 secondary_address[secondary_address_size];
111 [flag(NDR_ALIGN4)] DATA_BLOB _pad1;
113 dcerpc_ack_ctx ctx_list[num_results];
114 [flag(NDR_REMAINING)] DATA_BLOB auth_info;
117 typedef [public,enum16bit] enum {
118 DCERPC_BIND_NAK_REASON_NOT_SPECIFIED = 0,
119 DCERPC_BIND_NAK_REASON_TEMPORARY_CONGESTION = 1,
120 DCERPC_BIND_NAK_REASON_LOCAL_LIMIT_EXCEEDED = 2,
121 DCERPC_BIND_NAK_REASON_PROTOCOL_VERSION_NOT_SUPPORTED = 4,
122 DCERPC_BIND_NAK_REASON_INVALID_AUTH_TYPE = 8,
123 DCERPC_BIND_NAK_REASON_INVALID_CHECKSUM = 9
124 } dcerpc_bind_nak_reason;
126 const int DECRPC_BIND_PROTOCOL_VERSION_NOT_SUPPORTED =
127 DCERPC_BIND_NAK_REASON_PROTOCOL_VERSION_NOT_SUPPORTED;
128 const int DCERPC_BIND_REASON_INVALID_AUTH_TYPE =
129 DCERPC_BIND_NAK_REASON_INVALID_AUTH_TYPE;
131 typedef [public] struct {
132 uint8 rpc_vers; /* RPC version */
133 uint8 rpc_vers_minor; /* Minor version */
134 } dcerpc_bind_nak_version;
136 typedef [public,nopull] struct {
137 dcerpc_bind_nak_reason reject_reason;
139 dcerpc_bind_nak_version versions[num_versions];
140 [flag(NDR_REMAINING)] DATA_BLOB _pad;
143 const uint8 DCERPC_RESPONSE_LENGTH = 24;
149 [flag(NDR_ALIGN8)] DATA_BLOB _pad;
150 [flag(NDR_REMAINING)] DATA_BLOB stub_and_verifier;
153 typedef [v1_enum] enum {
154 DCERPC_NCA_S_COMM_FAILURE = 0x1C010001,
155 DCERPC_NCA_S_OP_RNG_ERROR = 0x1C010002,
156 DCERPC_NCA_S_UNKNOWN_IF = 0x1C010003,
157 DCERPC_NCA_S_WRONG_BOOT_TIME = 0x1C010006,
158 DCERPC_NCA_S_YOU_CRASHED = 0x1C010009,
159 DCERPC_NCA_S_PROTO_ERROR = 0x1C01000B,
160 DCERPC_NCA_S_OUT_ARGS_TOO_BIG = 0x1C010013,
161 DCERPC_NCA_S_SERVER_TOO_BUSY = 0x1C010014,
162 DCERPC_NCA_S_FAULT_STRING_TOO_LARGE = 0x1C010015,
163 DCERPC_NCA_S_UNSUPPORTED_TYPE = 0x1C010017,
164 DCERPC_NCA_S_FAULT_INT_DIV_BY_ZERO = 0x1C000001,
165 DCERPC_NCA_S_FAULT_ADDR_ERROR = 0x1C000002,
166 DCERPC_NCA_S_FAULT_FP_DIV_BY_ZERO = 0x1C000003,
167 DCERPC_NCA_S_FAULT_FP_UNDERFLOW = 0x1C000004,
168 DCERPC_NCA_S_FAULT_FP_OVERRFLOW = 0x1C000005,
169 DCERPC_NCA_S_FAULT_INVALID_TAG = 0x1C000006,
170 DCERPC_NCA_S_FAULT_INVALID_BOUND = 0x1C000007,
171 DCERPC_NCA_S_FAULT_RPC_VERSION_MISMATCH = 0x1C000008,
172 DCERPC_NCA_S_FAULT_UNSPEC_REJECT = 0x1C000009,
173 DCERPC_NCA_S_FAULT_BAD_ACTID = 0x1C00000A,
174 DCERPC_NCA_S_FAULT_WHO_ARE_YOU_FAILED = 0x1C00000B,
175 DCERPC_NCA_S_FAULT_MANAGER_NOT_ENTERED = 0x1C00000C,
176 DCERPC_NCA_S_FAULT_CANCEL = 0x1C00000D,
177 DCERPC_NCA_S_FAULT_ILL_INST = 0x1C00000E,
178 DCERPC_NCA_S_FAULT_FP_ERROR = 0x1C00000F,
179 DCERPC_NCA_S_FAULT_INT_OVERFLOW = 0x1C000010,
180 DCERPC_NCA_S_UNUSED_1C000011 = 0x1C000011,
181 DCERPC_NCA_S_FAULT_UNSPEC = 0x1C000012,
182 DCERPC_NCA_S_FAULT_REMOTE_COMM_FAILURE = 0x1C000013,
183 DCERPC_NCA_S_FAULT_PIPE_EMPTY = 0x1C000014,
184 DCERPC_NCA_S_FAULT_PIPE_CLOSED = 0x1C000015,
185 DCERPC_NCA_S_FAULT_PIPE_ORDER = 0x1C000016,
186 DCERPC_NCA_S_FAULT_PIPE_DISCIPLINE = 0x1C000017,
187 DCERPC_NCA_S_FAULT_PIPE_COMM_ERROR = 0x1C000018,
188 DCERPC_NCA_S_FAULT_PIPE_MEMORY = 0x1C000019,
189 DCERPC_NCA_S_FAULT_CONTEXT_MISMATCH = 0x1C00001A,
190 DCERPC_NCA_S_FAULT_REMOTE_NO_MEMORY = 0x1C00001B,
191 DCERPC_NCA_S_INVALID_PRES_CONTEXT_ID = 0x1C00001C,
192 DCERPC_NCA_S_UNSUPPORTED_AUTHN_LEVEL = 0x1C00001D,
193 DCERPC_NCA_S_UNUSED_1C00001E = 0x1C00001E,
194 DCERPC_NCA_S_INVALID_CHECKSUM = 0x1C00001F,
195 DCERPC_NCA_S_INVALID_CRC = 0x1C000020,
196 DCERPC_NCA_S_FAULT_USER_DEFINED = 0x1C000021,
197 DCERPC_NCA_S_FAULT_TX_OPEN_FAILED = 0x1C000022,
198 DCERPC_NCA_S_FAULT_CODESET_CONV_ERROR = 0x1C000023,
199 DCERPC_NCA_S_FAULT_OBJECT_NOT_FOUND = 0x1C000024,
200 DCERPC_NCA_S_FAULT_NO_CLIENT_STUB = 0x1C000025,
201 DCERPC_FAULT_ACCESS_DENIED = 0x00000005,
202 DCERPC_FAULT_NO_CALL_ACTIVE = 0x000006bd,
203 DCERPC_FAULT_CANT_PERFORM = 0x000006d8,
204 DCERPC_FAULT_OUT_OF_RESOURCES = 0x000006d9,
205 DCERPC_FAULT_BAD_STUB_DATA = 0x000006f7,
206 DCERPC_FAULT_SEC_PKG_ERROR = 0x00000721
209 const int DCERPC_FAULT_OP_RNG_ERROR = DCERPC_NCA_S_OP_RNG_ERROR;
210 const int DCERPC_FAULT_UNK_IF = DCERPC_NCA_S_UNKNOWN_IF;
211 const int DCERPC_FAULT_NDR = DCERPC_FAULT_BAD_STUB_DATA;
212 const int DCERPC_FAULT_INVALID_TAG = DCERPC_NCA_S_FAULT_INVALID_TAG;
213 const int DCERPC_FAULT_CONTEXT_MISMATCH = DCERPC_NCA_S_FAULT_CONTEXT_MISMATCH;
214 const int DCERPC_FAULT_OTHER = 0x00000001;
216 /* we return this fault when we haven't yet run the test
217 to see what fault w2k3 returns in this case */
218 const int DCERPC_FAULT_TODO = 0x00000042;
224 dcerpc_nca_status status;
225 [flag(NDR_REMAINING)] DATA_BLOB _pad;
228 /* the auth types we know about */
229 typedef [enum8bit] enum {
230 DCERPC_AUTH_TYPE_NONE = 0,
231 /* this seems to be not krb5! */
232 DCERPC_AUTH_TYPE_KRB5_1 = 1,
233 DCERPC_AUTH_TYPE_SPNEGO = 9,
234 DCERPC_AUTH_TYPE_NTLMSSP = 10,
235 DCERPC_AUTH_TYPE_KRB5 = 16,
236 DCERPC_AUTH_TYPE_DPA = 17,
237 DCERPC_AUTH_TYPE_MSN = 18,
238 DCERPC_AUTH_TYPE_DIGEST = 21,
239 DCERPC_AUTH_TYPE_SCHANNEL = 68,
240 DCERPC_AUTH_TYPE_MSMQ = 100,
241 DCERPC_AUTH_TYPE_NCALRPC_AS_SYSTEM = 200
244 typedef [enum8bit] enum {
245 DCERPC_AUTH_LEVEL_NONE = 1,
246 DCERPC_AUTH_LEVEL_CONNECT = 2,
247 DCERPC_AUTH_LEVEL_CALL = 3,
248 DCERPC_AUTH_LEVEL_PACKET = 4,
249 DCERPC_AUTH_LEVEL_INTEGRITY = 5,
250 DCERPC_AUTH_LEVEL_PRIVACY = 6
253 typedef [public] struct {
254 dcerpc_AuthType auth_type;
255 dcerpc_AuthLevel auth_level;
256 uint8 auth_pad_length;
258 uint32 auth_context_id;
259 [flag(NDR_REMAINING)] DATA_BLOB credentials;
262 const uint8 DCERPC_AUTH_TRAILER_LENGTH = 8;
263 const uint8 DCERPC_AUTH_PAD_ALIGNMENT = 16;
265 typedef [public] struct {
266 [value(0)] uint32 _pad;
267 [flag(NDR_REMAINING)] DATA_BLOB auth_info;
270 typedef [public] struct {
271 [value(0)] uint32 _pad;
272 [flag(NDR_REMAINING)] DATA_BLOB auth_info;
275 typedef [public] struct {
276 [value(0)] uint32 _pad;
277 [flag(NDR_REMAINING)] DATA_BLOB auth_info;
280 typedef [public] struct {
285 typedef [public] struct {
288 boolean32 server_is_accepting;
291 typedef [public] struct {
296 uint32 max_frag_size;
299 uint32 selack[selack_size];
302 typedef [public] struct {
305 typedef [public] struct {
308 typedef [public] struct {
311 typedef [public] struct {
314 /* RTS data structures */
315 typedef [public] struct {
319 typedef [v1_enum,public] enum {
324 typedef [nodiscriminant] union {
325 [case(RTS_IPV4)] ipv4address ClientAddressIPV4;
326 [case(RTS_IPV6)] ipv6address ClientAddressIPV6;
329 typedef [public] struct {
330 AddressType AddressType;
331 [switch_is(AddressType)] ClientAddressType ClientAddress;
335 typedef [v1_enum, public] enum {
340 } ForwardDestination;
342 typedef [public] struct {
343 uint32 BytesReceived;
344 uint32 AvailableWindow;
345 RTSCookie ChannelCookie;
346 } FlowControlAcknowledgment;
350 /* RTS command: 0x0 */
351 typedef [public] struct {
352 [range(0x2000,0x40000)] uint32 ReceiveWindowSize;
353 } dcerpc_rts_cmd_ReceiveWindowSize;
355 /* RTS command: 0x1 */
356 typedef [public] struct {
357 FlowControlAcknowledgment Ack;
358 } dcerpc_rts_cmd_FlowControlAck;
360 /* RTS command: 0x2 */
361 typedef [public] struct {
362 [range(0x1D4C0,0xDBBA00)] uint32 ConnectionTimeout;
363 } dcerpc_rts_cmd_ConnectionTimeout;
365 /* RTS command: 0x3 */
366 typedef [public] struct {
368 } dcerpc_rts_cmd_Cookie;
370 /* RTS command: 0x4 */
371 typedef [public] struct {
372 [range(0x20000,0x80000000)] uint32 ChannelLifetime;
373 } dcerpc_rts_cmd_ChannelLifetime;
375 /* RTS command: 0x5 */
376 typedef [public] struct {
377 uint32 ClientKeepalive;
378 } dcerpc_rts_cmd_ClientKeepalive;
380 /* RTS command: 0x6 */
381 typedef [public] struct {
383 } dcerpc_rts_cmd_Version;
385 /* RTS command: 0x7 */
386 typedef [public] struct {
387 } dcerpc_rts_cmd_Empty;
389 /* RTS command: 0x8 */
390 typedef [public] struct {
391 [range(0x0,0xFFFF)] uint32 ConformanceCount;
392 uint8 Padding[ConformanceCount];
393 } dcerpc_rts_cmd_Padding;
395 /* RTS command: 0x9 */
396 typedef [public] struct {
397 } dcerpc_rts_cmd_NegativeANCE;
399 /* RTS Command: 0xA */
400 typedef [public] struct {
401 } dcerpc_rts_cmd_ANCE;
403 /* RTS command: 0xB */
404 typedef [public] struct {
405 ClientAddress ClientAddress;
406 } dcerpc_rts_cmd_ClientAddress;
408 /* RTS command: 0xC */
409 typedef [public] struct {
410 RTSCookie AssociationGroupId;
411 } dcerpc_rts_cmd_AssociationGroupId;
413 /* RTS command: 0xD */
414 typedef [public] struct {
415 ForwardDestination ForwardDestination;
416 } dcerpc_rts_cmd_Destination;
418 /* RTS command: 0xE */
419 typedef [public] struct {
420 uint32 PingTrafficSent;
421 } dcerpc_rts_cmd_PingTrafficSentNotify;
423 typedef [nodiscriminant] union {
424 [case(0x0)] dcerpc_rts_cmd_ReceiveWindowSize ReceiveWindowSize;
425 [case(0x1)] dcerpc_rts_cmd_FlowControlAck FlowControlAck;
426 [case(0x2)] dcerpc_rts_cmd_ConnectionTimeout ConnectionTimeout;
427 [case(0x3)] dcerpc_rts_cmd_Cookie Cookie;
428 [case(0x4)] dcerpc_rts_cmd_ChannelLifetime ChannelLifetime;
429 [case(0x5)] dcerpc_rts_cmd_ClientKeepalive ClientKeepalive;
430 [case(0x6)] dcerpc_rts_cmd_Version Version;
431 [case(0x7)] dcerpc_rts_cmd_Empty Empty;
432 [case(0x8)] dcerpc_rts_cmd_Padding Padding;
433 [case(0x9)] dcerpc_rts_cmd_NegativeANCE NegativeANCE;
434 [case(0xA)] dcerpc_rts_cmd_ANCE ANCE;
435 [case(0xB)] dcerpc_rts_cmd_ClientAddress ClientAddress;
436 [case(0xC)] dcerpc_rts_cmd_AssociationGroupId AssociationGroupId;
437 [case(0xD)] dcerpc_rts_cmd_Destination Destination;
438 [case(0xE)] dcerpc_rts_cmd_PingTrafficSentNotify PingTrafficSentNotify;
441 typedef [public] struct {
443 [switch_is(CommandType)] dcerpc_rts_cmds Command;
447 typedef [public, bitmap16bit] bitmap {
448 RTS_FLAG_NONE = 0x0000,
449 RTS_FLAG_PING = 0x0001,
450 RTS_FLAG_OTHER_CMD = 0x0002,
451 RTS_FLAG_RECYCLE_CHANNEL = 0x0004,
452 RTS_FLAG_IN_CHANNEL = 0x0008,
453 RTS_FLAG_OUT_CHANNEL = 0x0010,
454 RTS_FLAG_EOF = 0x0020,
455 RTS_FLAG_ECHO = 0x0040
458 typedef [public] struct {
459 dcerpc_rts_flags Flags;
460 uint16 NumberOfCommands;
461 dcerpc_rts_cmd Commands[NumberOfCommands];
464 typedef [enum8bit] enum {
465 DCERPC_PKT_REQUEST = 0, /* Ordinary request. */
466 DCERPC_PKT_PING = 1, /* Connectionless is server alive ? */
467 DCERPC_PKT_RESPONSE = 2, /* Ordinary reply. */
468 DCERPC_PKT_FAULT = 3, /* Fault in processing of call. */
469 DCERPC_PKT_WORKING = 4, /* Connectionless reply to a ping when server busy. */
470 DCERPC_PKT_NOCALL = 5, /* Connectionless reply to a ping when server has lost part of clients call. */
471 DCERPC_PKT_REJECT = 6, /* Refuse a request with a code. */
472 DCERPC_PKT_ACK = 7, /* Connectionless client to server code. */
473 DCERPC_PKT_CL_CANCEL = 8, /* Connectionless cancel. */
474 DCERPC_PKT_FACK = 9, /* Connectionless fragment ack. Both client and server send. */
475 DCERPC_PKT_CANCEL_ACK = 10, /* Server ACK to client cancel request. */
476 DCERPC_PKT_BIND = 11, /* Bind to interface. */
477 DCERPC_PKT_BIND_ACK = 12, /* Server ack of bind. */
478 DCERPC_PKT_BIND_NAK = 13, /* Server nack of bind. */
479 DCERPC_PKT_ALTER = 14, /* Alter auth. */
480 DCERPC_PKT_ALTER_RESP = 15, /* Reply to alter auth. */
481 DCERPC_PKT_AUTH3 = 16, /* not the real name! this is undocumented! */
482 DCERPC_PKT_SHUTDOWN = 17, /* Server to client request to shutdown. */
483 DCERPC_PKT_CO_CANCEL = 18, /* Connection-oriented cancel request. */
484 DCERPC_PKT_ORPHANED = 19, /* Client telling server it's aborting a partially sent request or telling server to stop sending replies. */
485 DCERPC_PKT_RTS = 20 /* RTS packets used in ncacn_http */
488 typedef [nodiscriminant] union {
489 [case(DCERPC_PKT_REQUEST)] dcerpc_request request;
490 [case(DCERPC_PKT_PING)] dcerpc_ping ping;
491 [case(DCERPC_PKT_RESPONSE)] dcerpc_response response;
492 [case(DCERPC_PKT_FAULT)] dcerpc_fault fault;
493 [case(DCERPC_PKT_WORKING)] dcerpc_working working;
494 [case(DCERPC_PKT_NOCALL)] dcerpc_fack nocall;
495 [case(DCERPC_PKT_REJECT)] dcerpc_fault reject;
496 [case(DCERPC_PKT_ACK)] dcerpc_ack ack;
497 [case(DCERPC_PKT_CL_CANCEL)] dcerpc_cl_cancel cl_cancel;
498 [case(DCERPC_PKT_FACK)] dcerpc_fack fack;
499 [case(DCERPC_PKT_CANCEL_ACK)] dcerpc_cancel_ack cancel_ack;
500 [case(DCERPC_PKT_BIND)] dcerpc_bind bind;
501 [case(DCERPC_PKT_BIND_ACK)] dcerpc_bind_ack bind_ack;
502 [case(DCERPC_PKT_BIND_NAK)] dcerpc_bind_nak bind_nak;
503 [case(DCERPC_PKT_ALTER)] dcerpc_bind alter;
504 [case(DCERPC_PKT_ALTER_RESP)] dcerpc_bind_ack alter_resp;
505 [case(DCERPC_PKT_SHUTDOWN)] dcerpc_shutdown shutdown;
506 [case(DCERPC_PKT_CO_CANCEL)] dcerpc_co_cancel co_cancel;
507 [case(DCERPC_PKT_ORPHANED)] dcerpc_orphaned orphaned;
508 [case(DCERPC_PKT_AUTH3)] dcerpc_auth3 auth3;
509 [case(DCERPC_PKT_RTS)] dcerpc_rts rts;
512 /* pfc_flags values */
513 typedef [bitmap8bit] bitmap {
514 DCERPC_PFC_FLAG_FIRST = 0x01, /* First fragment */
515 DCERPC_PFC_FLAG_LAST = 0x02, /* Last fragment */
516 DCERPC_PFC_FLAG_PENDING_CANCEL_OR_HDR_SIGNING = 0x04, /* depends on the pdu type */
517 DCERPC_PFC_FLAG_CONC_MPX = 0x10, /* supports concurrent multiplexing of a single connection. */
518 DCERPC_PFC_FLAG_DID_NOT_EXECUTE = 0x20, /* on a fault it means the server hasn't done anything */
519 DCERPC_PFC_FLAG_MAYBE = 0x40, /* `maybe' call semantics requested */
520 DCERPC_PFC_FLAG_OBJECT_UUID = 0x80 /* on valid guid is in the optional object field */
523 /* Cancel was pending at sender */
524 const int DCERPC_PFC_FLAG_PENDING_CANCEL =
525 DCERPC_PFC_FLAG_PENDING_CANCEL_OR_HDR_SIGNING;
526 const int DCERPC_PFC_FLAG_SUPPORT_HEADER_SIGN =
527 DCERPC_PFC_FLAG_PENDING_CANCEL_OR_HDR_SIGNING;
529 /* these offsets are needed by the signing code */
530 const uint8 DCERPC_PFC_OFFSET = 3;
531 const uint8 DCERPC_DREP_OFFSET = 4;
532 const uint8 DCERPC_FRAG_LEN_OFFSET = 8;
533 const uint32 DCERPC_FRAG_MAX_SIZE = 5840;
534 const uint8 DCERPC_AUTH_LEN_OFFSET = 10;
535 const uint8 DCERPC_NCACN_PAYLOAD_OFFSET = 16;
538 * See [MS-RPCE] 3.3.3.5.4 Maximum Server Input Data Size
539 * 4 MByte is the default limit of reassembled request payload
541 const uint32 DCERPC_NCACN_REQUEST_DEFAULT_MAX_SIZE = 0x400000;
544 * See [MS-RPCE] 3.3.2.5.2 Handling Responses
546 * Indicates that Windows accepts up to 0x7FFFFFFF ~2 GByte
548 * talloc has a limit of 256 MByte, so we need to use something smaller.
550 * For now we try our luck with 240 MByte.
552 const uint32 DCERPC_NCACN_RESPONSE_DEFAULT_MAX_SIZE = 0xf000000; /* 240 MByte */
554 /* little-endian flag */
555 const uint8 DCERPC_DREP_LE = 0x10;
557 typedef [public] struct {
558 uint8 rpc_vers; /* RPC version */
559 uint8 rpc_vers_minor; /* Minor version */
560 dcerpc_pkt_type ptype; /* Packet type */
561 dcerpc_pfc_flags pfc_flags; /* Fragmentation flags */
562 uint8 drep[4]; /* NDR data representation */
563 uint16 frag_length; /* Total length of fragment */
564 uint16 auth_length; /* authenticator length */
565 uint32 call_id; /* Call identifier */
566 [switch_is(ptype)] dcerpc_payload u;
569 typedef [public] struct {
570 uint8 rpc_vers; /* RPC version (4) */
579 uint32 server_boot; /* Server boot time */
580 uint32 iface_version;
589 [switch_is(ptype)] dcerpc_payload u;
592 typedef [bitmap16bit] bitmap {
593 DCERPC_SEC_VT_COMMAND_ENUM = 0x3FFF,
594 DCERPC_SEC_VT_COMMAND_END = 0x4000,
595 DCERPC_SEC_VT_MUST_PROCESS = 0x8000
596 } dcerpc_sec_vt_command;
598 typedef [enum16bit] enum {
599 DCERPC_SEC_VT_COMMAND_BITMASK1 = 0x0001,
600 DCERPC_SEC_VT_COMMAND_PCONTEXT = 0x0002,
601 DCERPC_SEC_VT_COMMAND_HEADER2 = 0x0003
602 } dcerpc_sec_vt_command_enum;
604 typedef [bitmap32bit] bitmap {
605 DCERPC_SEC_VT_CLIENT_SUPPORTS_HEADER_SIGNING = 0x00000001
606 } dcerpc_sec_vt_bitmask1;
609 ndr_syntax_id abstract_syntax;
610 ndr_syntax_id transfer_syntax;
611 } dcerpc_sec_vt_pcontext;
614 dcerpc_pkt_type ptype; /* Packet type */
615 [value(0)] uint8 reserved1;
616 [value(0)] uint16 reserved2;
617 uint8 drep[4]; /* NDR data representation */
618 uint32 call_id; /* Call identifier */
621 } dcerpc_sec_vt_header2;
623 typedef [switch_type(dcerpc_sec_vt_command_enum),nodiscriminant] union {
624 [case(DCERPC_SEC_VT_COMMAND_BITMASK1)] dcerpc_sec_vt_bitmask1 bitmask1;
625 [case(DCERPC_SEC_VT_COMMAND_PCONTEXT)] dcerpc_sec_vt_pcontext pcontext;
626 [case(DCERPC_SEC_VT_COMMAND_HEADER2)] dcerpc_sec_vt_header2 header2;
627 [default,flag(NDR_REMAINING)] DATA_BLOB _unknown;
628 } dcerpc_sec_vt_union;
631 dcerpc_sec_vt_command command;
632 [switch_is(command & DCERPC_SEC_VT_COMMAND_ENUM)]
633 [subcontext(2),flag(NDR_SUBCONTEXT_NO_UNREAD_BYTES)]
634 dcerpc_sec_vt_union u;
637 typedef [public,nopush,nopull] struct {
639 } dcerpc_sec_vt_count;
642 * We assume that the whole verification trailer fits into
643 * the last 1024 bytes after the stub data.
645 * There're currently only 3 commands defined and each should
648 const uint16 DCERPC_SEC_VT_MAX_SIZE = 1024;
650 typedef [public,flag(NDR_PAHEX)] struct {
651 [flag(NDR_ALIGN4)] DATA_BLOB _pad;
652 [value(DCERPC_SEC_VT_MAGIC)] uint8 magic[8];
653 dcerpc_sec_vt_count count;
654 dcerpc_sec_vt commands[count.count];
655 } dcerpc_sec_verification_trailer;