librpc/idl/dcerpc.idl

   1 #include "idl_types.h"
   2
   3 /*
   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
   6   to do it this way
   7
   8   See [C706 - DCE 1.1: Remote Procedure Call] for the OpenGroup
   9   DCERPC specification:
  10   http://pubs.opengroup.org/onlinepubs/9629399/toc.htm
  11
  12   See C706 - Chapter 12: RPC PDU Encodings for packet layouts:
  13   http://www.opengroup.org/onlinepubs/9629399/chap12.htm
  14
  15   See also [MS-RPCE] for the Microsoft
  16   "Remote Procedure Call Protocol Extensions".
  17   http://msdn.microsoft.com/en-us/library/cc243560.aspx
  18
  19 */
  20 import "misc.idl";
  21
  22 cpp_quote("extern const uint8_t DCERPC_SEC_VT_MAGIC[8];")
  23
  24 [
  25   helper("../librpc/ndr/ndr_dcerpc.h")
  26 ]
  27 interface dcerpc
  28 {
  29         typedef struct {
  30                 uint16 context_id;
  31                 uint8 num_transfer_syntaxes;
  32                 ndr_syntax_id abstract_syntax;
  33                 ndr_syntax_id transfer_syntaxes[num_transfer_syntaxes];
  34         } dcerpc_ctx_list;
  35
  36         typedef [public] struct {
  37                 uint16 max_xmit_frag;
  38                 uint16 max_recv_frag;
  39                 uint32 assoc_group_id;
  40                 uint8  num_contexts;
  41                 dcerpc_ctx_list ctx_list[num_contexts];
  42                 [flag(NDR_REMAINING)] DATA_BLOB auth_info;
  43         } dcerpc_bind;
  44
  45         const uint8 DCERPC_REQUEST_LENGTH = 24;
  46
  47         typedef struct {
  48         } dcerpc_empty;
  49
  50         typedef [nodiscriminant] union {
  51                 [default] GUID object;
  52                 [case(false)] dcerpc_empty empty;
  53         } dcerpc_object;
  54
  55         typedef struct {
  56                 uint32 alloc_hint;
  57                 uint16 context_id;
  58                 uint16 opnum;
  59                 /*
  60                  * NDR_DCERPC_REQUEST_OBJECT_PRESENT
  61                  * is defined differently for ndr_dcerpc.c and py_dcerpc.c
  62                  */
  63                 [switch_is(NDR_DCERPC_REQUEST_OBJECT_PRESENT)] dcerpc_object object;
  64                 [flag(NDR_REMAINING)] DATA_BLOB stub_and_verifier;
  65         } dcerpc_request;
  66
  67         typedef [enum16bit] enum {
  68                 DCERPC_BIND_ACK_RESULT_ACCEPTANCE          = 0,
  69                 DCERPC_BIND_ACK_RESULT_USER_REJECTION      = 1,
  70                 DCERPC_BIND_ACK_RESULT_PROVIDER_REJECTION  = 2,
  71                 DCERPC_BIND_ACK_RESULT_NEGOTIATE_ACK       = 3
  72         } dcerpc_bind_ack_result;
  73
  74         const int DCERPC_BIND_PROVIDER_REJECT =
  75                 DCERPC_BIND_ACK_RESULT_PROVIDER_REJECTION;
  76
  77         typedef [enum16bit] enum {
  78                 DCERPC_BIND_ACK_REASON_NOT_SPECIFIED                   = 0,
  79                 DCERPC_BIND_ACK_REASON_ABSTRACT_SYNTAX_NOT_SUPPORTED   = 1,
  80                 DCERPC_BIND_ACK_REASON_TRANSFER_SYNTAXES_NOT_SUPPORTED = 2,
  81                 DCERPC_BIND_ACK_REASON_LOCAL_LIMIT_EXCEEDED            = 3
  82         } dcerpc_bind_ack_reason_values;
  83
  84         const int DCERPC_BIND_REASON_ASYNTAX =
  85                 DCERPC_BIND_ACK_REASON_ABSTRACT_SYNTAX_NOT_SUPPORTED;
  86
  87         typedef [bitmap16bit] bitmap {
  88                 DCERPC_BIND_TIME_SECURITY_CONTEXT_MULTIPLEXING = 0x0001,
  89                 DCERPC_BIND_TIME_KEEP_CONNECTION_ON_ORPHAN     = 0x0002
  90         } dcerpc_bind_time_features;
  91
  92         typedef [nodiscriminant] union {
  93                 [case(DCERPC_BIND_ACK_RESULT_NEGOTIATE_ACK)]
  94                         dcerpc_bind_time_features negotiate;
  95                 [default] dcerpc_bind_ack_reason_values value;
  96         } dcerpc_bind_ack_reason;
  97
  98         typedef struct {
  99                 dcerpc_bind_ack_result result;
 100                 [switch_is(result)] dcerpc_bind_ack_reason reason;
 101                 ndr_syntax_id syntax;
 102         } dcerpc_ack_ctx;
 103
 104         typedef struct {
 105                 uint16 max_xmit_frag;
 106                 uint16 max_recv_frag;
 107                 uint32 assoc_group_id;
 108                 [value(strlen_m_term_null(secondary_address))] uint16 secondary_address_size;
 109                 [charset(DOS)] uint8 secondary_address[secondary_address_size];
 110                 [flag(NDR_ALIGN4)]    DATA_BLOB _pad1;
 111                 uint8 num_results;
 112                 dcerpc_ack_ctx ctx_list[num_results];
 113                 [flag(NDR_REMAINING)] DATA_BLOB auth_info;
 114         } dcerpc_bind_ack;
 115
 116         typedef [public,enum16bit] enum {
 117                 DCERPC_BIND_NAK_REASON_NOT_SPECIFIED                  = 0,
 118                 DCERPC_BIND_NAK_REASON_TEMPORARY_CONGESTION           = 1,
 119                 DCERPC_BIND_NAK_REASON_LOCAL_LIMIT_EXCEEDED           = 2,
 120                 DCERPC_BIND_NAK_REASON_PROTOCOL_VERSION_NOT_SUPPORTED = 4,
 121                 DCERPC_BIND_NAK_REASON_INVALID_AUTH_TYPE              = 8,
 122                 DCERPC_BIND_NAK_REASON_INVALID_CHECKSUM               = 9
 123         } dcerpc_bind_nak_reason;
 124
 125         const int DECRPC_BIND_PROTOCOL_VERSION_NOT_SUPPORTED =
 126                 DCERPC_BIND_NAK_REASON_PROTOCOL_VERSION_NOT_SUPPORTED;
 127         const int DCERPC_BIND_REASON_INVALID_AUTH_TYPE =
 128                 DCERPC_BIND_NAK_REASON_INVALID_AUTH_TYPE;
 129
 130         typedef [public] struct {
 131                 uint8 rpc_vers;         /* RPC version */
 132                 uint8 rpc_vers_minor;   /* Minor version */
 133         } dcerpc_bind_nak_version;
 134
 135         typedef [public,nopull] struct {
 136                 dcerpc_bind_nak_reason reject_reason;
 137                 uint8 num_versions;
 138                 dcerpc_bind_nak_version versions[num_versions];
 139                 [flag(NDR_REMAINING)] DATA_BLOB _pad;
 140         } dcerpc_bind_nak;
 141
 142         const uint8 DCERPC_RESPONSE_LENGTH = 24;
 143
 144         typedef struct {
 145                 uint32 alloc_hint;
 146                 uint16 context_id;
 147                 uint8 cancel_count;
 148                 [value(0)] uint8 reserved;
 149                 [flag(NDR_REMAINING)] DATA_BLOB stub_and_verifier;
 150         } dcerpc_response;
 151
 152         typedef [v1_enum] enum {
 153                 DCERPC_NCA_S_COMM_FAILURE               = 0x1C010001,
 154                 DCERPC_NCA_S_OP_RNG_ERROR               = 0x1C010002,
 155                 DCERPC_NCA_S_UNKNOWN_IF                 = 0x1C010003,
 156                 DCERPC_NCA_S_WRONG_BOOT_TIME            = 0x1C010006,
 157                 DCERPC_NCA_S_YOU_CRASHED                = 0x1C010009,
 158                 DCERPC_NCA_S_PROTO_ERROR                = 0x1C01000B,
 159                 DCERPC_NCA_S_OUT_ARGS_TOO_BIG           = 0x1C010013,
 160                 DCERPC_NCA_S_SERVER_TOO_BUSY            = 0x1C010014,
 161                 DCERPC_NCA_S_FAULT_STRING_TOO_LARGE     = 0x1C010015,
 162                 DCERPC_NCA_S_UNSUPPORTED_TYPE           = 0x1C010017,
 163                 DCERPC_NCA_S_FAULT_INT_DIV_BY_ZERO      = 0x1C000001,
 164                 DCERPC_NCA_S_FAULT_ADDR_ERROR           = 0x1C000002,
 165                 DCERPC_NCA_S_FAULT_FP_DIV_BY_ZERO       = 0x1C000003,
 166                 DCERPC_NCA_S_FAULT_FP_UNDERFLOW         = 0x1C000004,
 167                 DCERPC_NCA_S_FAULT_FP_OVERRFLOW         = 0x1C000005,
 168                 DCERPC_NCA_S_FAULT_INVALID_TAG          = 0x1C000006,
 169                 DCERPC_NCA_S_FAULT_INVALID_BOUND        = 0x1C000007,
 170                 DCERPC_NCA_S_FAULT_RPC_VERSION_MISMATCH = 0x1C000008,
 171                 DCERPC_NCA_S_FAULT_UNSPEC_REJECT        = 0x1C000009,
 172                 DCERPC_NCA_S_FAULT_BAD_ACTID            = 0x1C00000A,
 173                 DCERPC_NCA_S_FAULT_WHO_ARE_YOU_FAILED   = 0x1C00000B,
 174                 DCERPC_NCA_S_FAULT_MANAGER_NOT_ENTERED  = 0x1C00000C,
 175                 DCERPC_NCA_S_FAULT_CANCEL               = 0x1C00000D,
 176                 DCERPC_NCA_S_FAULT_ILL_INST             = 0x1C00000E,
 177                 DCERPC_NCA_S_FAULT_FP_ERROR             = 0x1C00000F,
 178                 DCERPC_NCA_S_FAULT_INT_OVERFLOW         = 0x1C000010,
 179                 DCERPC_NCA_S_UNUSED_1C000011            = 0x1C000011,
 180                 DCERPC_NCA_S_FAULT_UNSPEC               = 0x1C000012,
 181                 DCERPC_NCA_S_FAULT_REMOTE_COMM_FAILURE  = 0x1C000013,
 182                 DCERPC_NCA_S_FAULT_PIPE_EMPTY           = 0x1C000014,
 183                 DCERPC_NCA_S_FAULT_PIPE_CLOSED          = 0x1C000015,
 184                 DCERPC_NCA_S_FAULT_PIPE_ORDER           = 0x1C000016,
 185                 DCERPC_NCA_S_FAULT_PIPE_DISCIPLINE      = 0x1C000017,
 186                 DCERPC_NCA_S_FAULT_PIPE_COMM_ERROR      = 0x1C000018,
 187                 DCERPC_NCA_S_FAULT_PIPE_MEMORY          = 0x1C000019,
 188                 DCERPC_NCA_S_FAULT_CONTEXT_MISMATCH     = 0x1C00001A,
 189                 DCERPC_NCA_S_FAULT_REMOTE_NO_MEMORY     = 0x1C00001B,
 190                 DCERPC_NCA_S_INVALID_PRES_CONTEXT_ID    = 0x1C00001C,
 191                 DCERPC_NCA_S_UNSUPPORTED_AUTHN_LEVEL    = 0x1C00001D,
 192                 DCERPC_NCA_S_UNUSED_1C00001E            = 0x1C00001E,
 193                 DCERPC_NCA_S_INVALID_CHECKSUM           = 0x1C00001F,
 194                 DCERPC_NCA_S_INVALID_CRC                = 0x1C000020,
 195                 DCERPC_NCA_S_FAULT_USER_DEFINED         = 0x1C000021,
 196                 DCERPC_NCA_S_FAULT_TX_OPEN_FAILED       = 0x1C000022,
 197                 DCERPC_NCA_S_FAULT_CODESET_CONV_ERROR   = 0x1C000023,
 198                 DCERPC_NCA_S_FAULT_OBJECT_NOT_FOUND     = 0x1C000024,
 199                 DCERPC_NCA_S_FAULT_NO_CLIENT_STUB       = 0x1C000025,
 200                 DCERPC_FAULT_ACCESS_DENIED              = 0x00000005,
 201                 DCERPC_FAULT_SERVER_UNAVAILABLE         = 0x000006ba,
 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
 207         } dcerpc_nca_status;
 208
 209         const int DCERPC_FAULT_OP_RNG_ERROR       = DCERPC_NCA_S_OP_RNG_ERROR;
 210         const int DCERPC_FAULT_NDR                = DCERPC_FAULT_BAD_STUB_DATA;
 211         const int DCERPC_FAULT_INVALID_TAG        = DCERPC_NCA_S_FAULT_INVALID_TAG;
 212         const int DCERPC_FAULT_CONTEXT_MISMATCH   = DCERPC_NCA_S_FAULT_CONTEXT_MISMATCH;
 213         const int DCERPC_FAULT_OTHER              = 0x00000001;
 214
 215         /* we return this fault when we haven't yet run the test
 216            to see what fault w2k3 returns in this case */
 217         const int DCERPC_FAULT_TODO         = 0x00000042;
 218
 219         typedef [bitmap8bit] bitmap {
 220                 DCERPC_FAULT_FLAG_EXTENDED_ERROR_INFORMATION = 0x01
 221         } dcerpc_fault_flags;
 222
 223         typedef struct {
 224                 uint32 alloc_hint;
 225                 uint16 context_id;
 226                 uint8 cancel_count;
 227                 dcerpc_fault_flags flags;
 228                 dcerpc_nca_status status;
 229                 [value(0)] uint32 reserved;
 230                 [flag(NDR_REMAINING)] DATA_BLOB error_and_verifier;
 231         } dcerpc_fault;
 232
 233         const uint8 DCERPC_FAULT_LENGTH = 32;
 234
 235         /* the auth types we know about */
 236         typedef [enum8bit] enum {
 237                 DCERPC_AUTH_TYPE_NONE     = 0,
 238                 /* this seems to be not krb5! */
 239                 DCERPC_AUTH_TYPE_KRB5_1   = 1,
 240                 DCERPC_AUTH_TYPE_SPNEGO   = 9,
 241                 DCERPC_AUTH_TYPE_NTLMSSP  = 10,
 242                 DCERPC_AUTH_TYPE_KRB5     = 16,
 243                 DCERPC_AUTH_TYPE_DPA      = 17,
 244                 DCERPC_AUTH_TYPE_MSN      = 18,
 245                 DCERPC_AUTH_TYPE_DIGEST   = 21,
 246                 DCERPC_AUTH_TYPE_SCHANNEL = 68,
 247                 DCERPC_AUTH_TYPE_MSMQ     = 100,
 248                 DCERPC_AUTH_TYPE_NCALRPC_AS_SYSTEM = 200
 249         } dcerpc_AuthType;
 250         const char *AS_SYSTEM_MAGIC_PATH_TOKEN = "/root/ncalrpc_as_system";
 251
 252         typedef [enum8bit] enum {
 253                 DCERPC_AUTH_LEVEL_NONE      = 1,
 254                 DCERPC_AUTH_LEVEL_CONNECT   = 2,
 255                 DCERPC_AUTH_LEVEL_CALL      = 3,
 256                 DCERPC_AUTH_LEVEL_PACKET    = 4,
 257                 DCERPC_AUTH_LEVEL_INTEGRITY = 5,
 258                 DCERPC_AUTH_LEVEL_PRIVACY   = 6
 259         } dcerpc_AuthLevel;
 260
 261         typedef [public] struct {
 262                 dcerpc_AuthType auth_type;
 263                 dcerpc_AuthLevel auth_level;
 264                 uint8  auth_pad_length;
 265                 uint8  auth_reserved;
 266                 uint32 auth_context_id;
 267                 [flag(NDR_REMAINING)] DATA_BLOB credentials;
 268         } dcerpc_auth;
 269
 270         const uint8 DCERPC_AUTH_TRAILER_LENGTH = 8;
 271         const uint8 DCERPC_AUTH_PAD_ALIGNMENT = 16;
 272
 273         typedef [public] struct {
 274                 [value(0)]            uint32    _pad;
 275                 [flag(NDR_REMAINING)] DATA_BLOB auth_info;
 276         } dcerpc_auth3;
 277
 278         typedef [public] struct {
 279                 [flag(NDR_REMAINING)] DATA_BLOB auth_info;
 280         } dcerpc_orphaned;
 281
 282         typedef [public] struct {
 283                 [flag(NDR_REMAINING)] DATA_BLOB auth_info;
 284         } dcerpc_co_cancel;
 285
 286         typedef [public] struct {
 287                 uint32 version;
 288                 uint32 id;
 289         } dcerpc_cl_cancel;
 290
 291         typedef [public] struct {
 292                 uint32 version;
 293                 uint32 id;
 294                 boolean32 server_is_accepting;
 295         } dcerpc_cancel_ack;
 296
 297         typedef [public] struct {
 298                 uint32 version;
 299                 uint8 _pad1;
 300                 uint16 window_size;
 301                 uint32 max_tdsu;
 302                 uint32 max_frag_size;
 303                 uint16 serial_no;
 304                 uint16 selack_size;
 305                 uint32 selack[selack_size];
 306         } dcerpc_fack;
 307
 308         typedef [public] struct {
 309         } dcerpc_ack;
 310
 311         typedef [public] struct {
 312         } dcerpc_ping;
 313
 314         typedef [public] struct {
 315         } dcerpc_shutdown;
 316
 317         typedef [public] struct {
 318         } dcerpc_working;
 319
 320         /* RTS data structures */
 321         typedef [public] struct {
 322                 GUID            Cookie;
 323         } RTSCookie;
 324
 325         typedef [v1_enum,public] enum {
 326                 RTS_IPV4        = 0,
 327                 RTS_IPV6        = 1
 328         } AddressType;
 329
 330         typedef [nodiscriminant] union {
 331                 [case(RTS_IPV4)] ipv4address    ClientAddressIPV4;
 332                 [case(RTS_IPV6)] ipv6address    ClientAddressIPV6;
 333         } ClientAddressType;
 334
 335         typedef [public] struct {
 336                 AddressType                                     AddressType;
 337                 [switch_is(AddressType)] ClientAddressType      ClientAddress;
 338                 uint8                                           Padding[12];
 339         } ClientAddress;
 340
 341         typedef [v1_enum, public] enum {
 342                 FDClient        = 0,
 343                 FDInProxy       = 1,
 344                 FDServer        = 2,
 345                 FDOutProxy      = 3
 346         } ForwardDestination;
 347
 348         typedef [public] struct {
 349                 uint32          BytesReceived;
 350                 uint32          AvailableWindow;
 351                 RTSCookie       ChannelCookie;
 352         } FlowControlAcknowledgment;
 353
 354         /* RTS commands */
 355
 356         /* RTS command: 0x0 */
 357         typedef [public] struct {
 358                 [range(0x2000,0x40000)] uint32  ReceiveWindowSize;
 359         } dcerpc_rts_cmd_ReceiveWindowSize;
 360
 361         /* RTS command: 0x1 */
 362         typedef [public] struct {
 363                 FlowControlAcknowledgment       Ack;
 364         } dcerpc_rts_cmd_FlowControlAck;
 365
 366         /* RTS command: 0x2 */
 367         typedef [public] struct {
 368                 [range(0x1D4C0,0xDBBA00)] uint32        ConnectionTimeout;
 369         } dcerpc_rts_cmd_ConnectionTimeout;
 370
 371         /* RTS command: 0x3 */
 372         typedef [public] struct {
 373                 RTSCookie       Cookie;
 374         } dcerpc_rts_cmd_Cookie;
 375
 376         /* RTS command: 0x4 */
 377         typedef [public] struct {
 378                 [range(0x20000,0x80000000)] uint32      ChannelLifetime;
 379         } dcerpc_rts_cmd_ChannelLifetime;
 380
 381         /* RTS command: 0x5 */
 382         typedef [public] struct {
 383                 uint32          ClientKeepalive;
 384         } dcerpc_rts_cmd_ClientKeepalive;
 385
 386         /* RTS command: 0x6 */
 387         typedef [public] struct {
 388                 uint32          Version;
 389         } dcerpc_rts_cmd_Version;
 390
 391         /* RTS command: 0x7 */
 392         typedef [public] struct {
 393         } dcerpc_rts_cmd_Empty;
 394
 395         /* RTS command: 0x8 */
 396         typedef [public] struct {
 397                 [range(0x0,0xFFFF)] uint32      ConformanceCount;
 398                 uint8                           Padding[ConformanceCount];
 399         } dcerpc_rts_cmd_Padding;
 400
 401         /* RTS command: 0x9 */
 402         typedef [public] struct {
 403         } dcerpc_rts_cmd_NegativeANCE;
 404
 405         /* RTS Command: 0xA */
 406         typedef [public] struct {
 407         } dcerpc_rts_cmd_ANCE;
 408
 409         /* RTS command: 0xB */
 410         typedef [public] struct {
 411                 ClientAddress   ClientAddress;
 412         } dcerpc_rts_cmd_ClientAddress;
 413
 414         /* RTS command: 0xC */
 415         typedef [public] struct {
 416                 RTSCookie       AssociationGroupId;
 417         } dcerpc_rts_cmd_AssociationGroupId;
 418
 419         /* RTS command: 0xD */
 420         typedef [public] struct {
 421                 ForwardDestination      ForwardDestination;
 422         } dcerpc_rts_cmd_Destination;
 423
 424         /* RTS command: 0xE */
 425         typedef [public] struct {
 426                 uint32  PingTrafficSent;
 427         } dcerpc_rts_cmd_PingTrafficSentNotify;
 428
 429         typedef [nodiscriminant] union {
 430                 [case(0x0)] dcerpc_rts_cmd_ReceiveWindowSize            ReceiveWindowSize;
 431                 [case(0x1)] dcerpc_rts_cmd_FlowControlAck               FlowControlAck;
 432                 [case(0x2)] dcerpc_rts_cmd_ConnectionTimeout            ConnectionTimeout;
 433                 [case(0x3)] dcerpc_rts_cmd_Cookie                       Cookie;
 434                 [case(0x4)] dcerpc_rts_cmd_ChannelLifetime              ChannelLifetime;
 435                 [case(0x5)] dcerpc_rts_cmd_ClientKeepalive              ClientKeepalive;
 436                 [case(0x6)] dcerpc_rts_cmd_Version                      Version;
 437                 [case(0x7)] dcerpc_rts_cmd_Empty                        Empty;
 438                 [case(0x8)] dcerpc_rts_cmd_Padding                      Padding;
 439                 [case(0x9)] dcerpc_rts_cmd_NegativeANCE                 NegativeANCE;
 440                 [case(0xA)] dcerpc_rts_cmd_ANCE                         ANCE;
 441                 [case(0xB)] dcerpc_rts_cmd_ClientAddress                ClientAddress;
 442                 [case(0xC)] dcerpc_rts_cmd_AssociationGroupId           AssociationGroupId;
 443                 [case(0xD)] dcerpc_rts_cmd_Destination                  Destination;
 444                 [case(0xE)] dcerpc_rts_cmd_PingTrafficSentNotify        PingTrafficSentNotify;
 445         } dcerpc_rts_cmds;
 446
 447         typedef [public] struct {
 448                 uint32                                          CommandType;
 449                 [switch_is(CommandType)] dcerpc_rts_cmds        Command;
 450         } dcerpc_rts_cmd;
 451
 452         /* The RTS flags */
 453         typedef [public, bitmap16bit] bitmap {
 454                 RTS_FLAG_NONE                   =       0x0000,
 455                 RTS_FLAG_PING                   =       0x0001,
 456                 RTS_FLAG_OTHER_CMD              =       0x0002,
 457                 RTS_FLAG_RECYCLE_CHANNEL        =       0x0004,
 458                 RTS_FLAG_IN_CHANNEL             =       0x0008,
 459                 RTS_FLAG_OUT_CHANNEL            =       0x0010,
 460                 RTS_FLAG_EOF                    =       0x0020,
 461                 RTS_FLAG_ECHO                   =       0x0040
 462         } dcerpc_rts_flags;
 463
 464         typedef [public] struct {
 465                 dcerpc_rts_flags        Flags;
 466                 uint16                  NumberOfCommands;
 467                 dcerpc_rts_cmd          Commands[NumberOfCommands];
 468         } dcerpc_rts;
 469
 470         typedef [public,enum8bit] enum {
 471                 DCERPC_PKT_REQUEST     =  0,    /* Ordinary request. */
 472                 DCERPC_PKT_PING        =  1,    /* Connectionless is server alive ? */
 473                 DCERPC_PKT_RESPONSE    =  2,    /* Ordinary reply. */
 474                 DCERPC_PKT_FAULT       =  3,    /* Fault in processing of call. */
 475                 DCERPC_PKT_WORKING     =  4,    /* Connectionless reply to a ping when server busy. */
 476                 DCERPC_PKT_NOCALL      =  5,    /* Connectionless reply to a ping when server has lost part of clients call. */
 477                 DCERPC_PKT_REJECT      =  6,    /* Refuse a request with a code. */
 478                 DCERPC_PKT_ACK         =  7,    /* Connectionless client to server code. */
 479                 DCERPC_PKT_CL_CANCEL   =  8,    /* Connectionless cancel. */
 480                 DCERPC_PKT_FACK        =  9,    /* Connectionless fragment ack. Both client and server send. */
 481                 DCERPC_PKT_CANCEL_ACK  = 10,    /* Server ACK to client cancel request. */
 482                 DCERPC_PKT_BIND        = 11,    /* Bind to interface. */
 483                 DCERPC_PKT_BIND_ACK    = 12,    /* Server ack of bind. */
 484                 DCERPC_PKT_BIND_NAK    = 13,    /* Server nack of bind. */
 485                 DCERPC_PKT_ALTER       = 14,    /* Alter auth. */
 486                 DCERPC_PKT_ALTER_RESP  = 15,    /* Reply to alter auth. */
 487                 DCERPC_PKT_AUTH3       = 16,    /* not the real name!  this is undocumented! */
 488                 DCERPC_PKT_SHUTDOWN    = 17,    /* Server to client request to shutdown. */
 489                 DCERPC_PKT_CO_CANCEL   = 18,    /* Connection-oriented cancel request. */
 490                 DCERPC_PKT_ORPHANED    = 19,    /* Client telling server it's aborting a partially sent request or telling server to stop sending replies. */
 491                 DCERPC_PKT_RTS         = 20     /* RTS packets used in ncacn_http */
 492         } dcerpc_pkt_type;
 493
 494         typedef [public,nodiscriminant] union {
 495                 [case(DCERPC_PKT_REQUEST)]    dcerpc_request  request;
 496                 [case(DCERPC_PKT_PING)]           dcerpc_ping ping;
 497                 [case(DCERPC_PKT_RESPONSE)]   dcerpc_response response;
 498                 [case(DCERPC_PKT_FAULT)]          dcerpc_fault fault;
 499                 [case(DCERPC_PKT_WORKING)]        dcerpc_working working;
 500                 [case(DCERPC_PKT_NOCALL)]     dcerpc_fack nocall;
 501                 [case(DCERPC_PKT_REJECT)]     dcerpc_fault reject;
 502                 [case(DCERPC_PKT_ACK)]        dcerpc_ack ack;
 503                 [case(DCERPC_PKT_CL_CANCEL)]  dcerpc_cl_cancel cl_cancel;
 504                 [case(DCERPC_PKT_FACK)]       dcerpc_fack fack;
 505                 [case(DCERPC_PKT_CANCEL_ACK)] dcerpc_cancel_ack cancel_ack;
 506                 [case(DCERPC_PKT_BIND)]       dcerpc_bind     bind;
 507                 [case(DCERPC_PKT_BIND_ACK)]   dcerpc_bind_ack bind_ack;
 508                 [case(DCERPC_PKT_BIND_NAK)]   dcerpc_bind_nak bind_nak;
 509                 [case(DCERPC_PKT_ALTER)]      dcerpc_bind     alter;
 510                 [case(DCERPC_PKT_ALTER_RESP)] dcerpc_bind_ack alter_resp;
 511                 [case(DCERPC_PKT_SHUTDOWN)]   dcerpc_shutdown shutdown;
 512                 [case(DCERPC_PKT_CO_CANCEL)]  dcerpc_co_cancel co_cancel;
 513                 [case(DCERPC_PKT_ORPHANED)]   dcerpc_orphaned orphaned;
 514                 [case(DCERPC_PKT_AUTH3)]      dcerpc_auth3    auth3;
 515                 [case(DCERPC_PKT_RTS)]        dcerpc_rts      rts;
 516         } dcerpc_payload;
 517
 518         /* pfc_flags values */
 519         typedef [public,bitmap8bit] bitmap {
 520                 DCERPC_PFC_FLAG_FIRST           = 0x01, /* First fragment */
 521                 DCERPC_PFC_FLAG_LAST            = 0x02, /* Last fragment */
 522                 DCERPC_PFC_FLAG_PENDING_CANCEL_OR_HDR_SIGNING = 0x04, /* depends on the pdu type */
 523                 DCERPC_PFC_FLAG_CONC_MPX        = 0x10, /* supports concurrent multiplexing of a single connection. */
 524                 DCERPC_PFC_FLAG_DID_NOT_EXECUTE = 0x20, /* on a fault it means the server hasn't done anything */
 525                 DCERPC_PFC_FLAG_MAYBE           = 0x40, /* `maybe' call semantics requested */
 526                 DCERPC_PFC_FLAG_OBJECT_UUID     = 0x80 /* on valid guid is in the optional object field */
 527         } dcerpc_pfc_flags;
 528
 529         /* Cancel was pending at sender */
 530         const int DCERPC_PFC_FLAG_PENDING_CANCEL =
 531                 DCERPC_PFC_FLAG_PENDING_CANCEL_OR_HDR_SIGNING;
 532         const int DCERPC_PFC_FLAG_SUPPORT_HEADER_SIGN =
 533                 DCERPC_PFC_FLAG_PENDING_CANCEL_OR_HDR_SIGNING;
 534
 535         /* these offsets are needed by the signing code */
 536         const uint8 DCERPC_PFC_OFFSET      =  3;
 537         const uint8 DCERPC_DREP_OFFSET     =  4;
 538         const uint8 DCERPC_FRAG_LEN_OFFSET =  8;
 539         const uint32 DCERPC_FRAG_MAX_SIZE  = 5840;
 540         const uint8 DCERPC_AUTH_LEN_OFFSET = 10;
 541         const uint8 DCERPC_NCACN_PAYLOAD_OFFSET = 16;
 542
 543         /*
 544          * See [MS-RPCE] 3.3.3.5.4 Maximum Server Input Data Size
 545          * 4 MByte is the default limit of reassembled request payload
 546          */
 547         const uint32 DCERPC_NCACN_REQUEST_DEFAULT_MAX_SIZE = 0x400000;
 548
 549         /*
 550          * See [MS-RPCE] 3.3.2.5.2 Handling Responses
 551          *
 552          * Indicates that Windows accepts up to 0x7FFFFFFF ~2 GByte
 553          *
 554          * talloc has a limit of 256 MByte, so we need to use something smaller.
 555          *
 556          * For now we try our luck with 240 MByte.
 557          */
 558         const uint32 DCERPC_NCACN_RESPONSE_DEFAULT_MAX_SIZE = 0xf000000; /* 240 MByte */
 559
 560         /* little-endian flag */
 561         const uint8 DCERPC_DREP_LE  = 0x10;
 562
 563         typedef [public,nopush,nopull,noprint] struct {
 564                 uint8 rpc_vers;         /* RPC version */
 565                 uint8 rpc_vers_minor;   /* Minor version */
 566                 dcerpc_pkt_type ptype;  /* Packet type */
 567                 dcerpc_pfc_flags pfc_flags; /* Fragmentation flags */
 568                 uint8 drep[4];          /* NDR data representation */
 569                 uint16 frag_length;     /* Total length of fragment */
 570                 uint16 auth_length;     /* authenticator length */
 571                 uint32 call_id;         /* Call identifier */
 572                 [switch_is(ptype)] dcerpc_payload u;
 573         } ncacn_packet;
 574
 575         typedef [public] struct {
 576                 uint8 rpc_vers;         /* RPC version (4) */
 577                 uint8 ptype;
 578                 uint8 pfc_flags;
 579                 uint8 ncadg_flags;
 580                 uint8 drep[3];
 581                 uint8 serial_high;
 582                 GUID object;
 583                 GUID iface;
 584                 GUID activity;
 585                 uint32 server_boot; /* Server boot time */
 586                 uint32 iface_version;
 587                 uint32 seq_num;
 588                 uint16 opnum;
 589                 uint16 ihint;
 590                 uint16 ahint;
 591                 uint16 len;
 592                 uint16 fragnum;
 593                 uint8 auth_proto;
 594                 uint8 serial_low;
 595                 [switch_is(ptype)] dcerpc_payload u;
 596         } ncadg_packet;
 597
 598         typedef [bitmap16bit] bitmap {
 599                 DCERPC_SEC_VT_COMMAND_ENUM  = 0x3FFF,
 600                 DCERPC_SEC_VT_COMMAND_END   = 0x4000,
 601                 DCERPC_SEC_VT_MUST_PROCESS  = 0x8000
 602         } dcerpc_sec_vt_command;
 603
 604         typedef [enum16bit] enum {
 605                 DCERPC_SEC_VT_COMMAND_BITMASK1  = 0x0001,
 606                 DCERPC_SEC_VT_COMMAND_PCONTEXT  = 0x0002,
 607                 DCERPC_SEC_VT_COMMAND_HEADER2   = 0x0003
 608         } dcerpc_sec_vt_command_enum;
 609
 610         typedef [bitmap32bit] bitmap {
 611                 DCERPC_SEC_VT_CLIENT_SUPPORTS_HEADER_SIGNING = 0x00000001
 612         } dcerpc_sec_vt_bitmask1;
 613
 614         typedef struct {
 615                 ndr_syntax_id abstract_syntax;
 616                 ndr_syntax_id transfer_syntax;
 617         } dcerpc_sec_vt_pcontext;
 618
 619         typedef struct {
 620                 dcerpc_pkt_type ptype;  /* Packet type */
 621                 [value(0)] uint8 reserved1;
 622                 [value(0)] uint16 reserved2;
 623                 uint8 drep[4];          /* NDR data representation */
 624                 uint32 call_id;         /* Call identifier */
 625                 uint16 context_id;
 626                 uint16 opnum;
 627         } dcerpc_sec_vt_header2;
 628
 629         typedef [switch_type(dcerpc_sec_vt_command_enum),nodiscriminant] union {
 630         [case(DCERPC_SEC_VT_COMMAND_BITMASK1)] dcerpc_sec_vt_bitmask1 bitmask1;
 631         [case(DCERPC_SEC_VT_COMMAND_PCONTEXT)] dcerpc_sec_vt_pcontext pcontext;
 632         [case(DCERPC_SEC_VT_COMMAND_HEADER2)] dcerpc_sec_vt_header2 header2;
 633         [default,flag(NDR_REMAINING)] DATA_BLOB _unknown;
 634         } dcerpc_sec_vt_union;
 635
 636         typedef struct {
 637                 dcerpc_sec_vt_command command;
 638                 [switch_is(command & DCERPC_SEC_VT_COMMAND_ENUM)]
 639                         [subcontext(2),flag(NDR_SUBCONTEXT_NO_UNREAD_BYTES)]
 640                         dcerpc_sec_vt_union u;
 641         } dcerpc_sec_vt;
 642
 643         typedef [public,nopush,nopull] struct {
 644                 uint16 count;
 645         } dcerpc_sec_vt_count;
 646
 647         /*
 648          * We assume that the whole verification trailer fits into
 649          * the last 1024 bytes after the stub data.
 650          *
 651          * There're currently only 3 commands defined and each should
 652          * only be used once.
 653          */
 654         const uint16 DCERPC_SEC_VT_MAX_SIZE = 1024;
 655
 656         typedef [public,flag(NDR_PAHEX)] struct {
 657                 [flag(NDR_ALIGN4)] DATA_BLOB _pad;
 658                 [value(DCERPC_SEC_VT_MAGIC)] uint8 magic[8];
 659                 dcerpc_sec_vt_count count;
 660                 dcerpc_sec_vt commands[count.count];
 661         } dcerpc_sec_verification_trailer;
 662 }