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 http://www.opengroup.org/onlinepubs/9629399/chap12.htm for packet
   9   layouts
  10 */
  11 import "misc.idl";
  12
  13 interface dcerpc
  14 {
  15         typedef struct {
  16                 uint16 context_id;
  17                 uint8 num_transfer_syntaxes;
  18                 ndr_syntax_id abstract_syntax;
  19                 ndr_syntax_id transfer_syntaxes[num_transfer_syntaxes];
  20         } dcerpc_ctx_list;
  21
  22         typedef [public] struct {
  23                 uint16 max_xmit_frag;
  24                 uint16 max_recv_frag;
  25                 uint32 assoc_group_id;
  26                 uint8  num_contexts;
  27                 dcerpc_ctx_list ctx_list[num_contexts];
  28                 [flag(NDR_REMAINING)] DATA_BLOB auth_info;
  29         } dcerpc_bind;
  30
  31         const uint8 DCERPC_REQUEST_LENGTH = 24;
  32
  33         typedef struct {
  34         } dcerpc_empty;
  35
  36         typedef [nodiscriminant] union {
  37                 [default] dcerpc_empty empty;
  38                 [case(LIBNDR_FLAG_OBJECT_PRESENT)] GUID object;
  39         } dcerpc_object;
  40
  41         typedef struct {
  42                 uint32 alloc_hint;
  43                 uint16 context_id;
  44                 uint16 opnum;
  45                 [switch_is(ndr->flags & LIBNDR_FLAG_OBJECT_PRESENT)] dcerpc_object object;
  46                 [flag(NDR_ALIGN8)]    DATA_BLOB _pad;
  47                 [flag(NDR_REMAINING)] DATA_BLOB stub_and_verifier;
  48         } dcerpc_request;
  49
  50         const int DCERPC_BIND_REASON_ASYNTAX                 = 1;
  51         const int DCERPC_BIND_PROVIDER_REJECT                = 2;
  52         const int DECRPC_BIND_PROTOCOL_VERSION_NOT_SUPPORTED = 4;
  53         const int DCERPC_BIND_REASON_INVALID_AUTH_TYPE       = 8;
  54
  55         typedef struct {
  56                 uint16 result;
  57                 uint16 reason;
  58                 ndr_syntax_id syntax;
  59         } dcerpc_ack_ctx;
  60
  61         typedef struct {
  62                 uint16 max_xmit_frag;
  63                 uint16 max_recv_frag;
  64                 uint32 assoc_group_id;
  65                 [value(strlen(secondary_address)+1)] uint16 secondary_address_size;
  66                 [charset(DOS)] uint8 secondary_address[secondary_address_size];
  67                 [flag(NDR_ALIGN4)]    DATA_BLOB _pad1;
  68                 uint8 num_results;
  69                 dcerpc_ack_ctx ctx_list[num_results];
  70                 [flag(NDR_REMAINING)] DATA_BLOB auth_info;
  71         } dcerpc_bind_ack;
  72
  73         typedef struct {
  74                 uint32 num_versions;
  75                 uint32 versions[num_versions];
  76         } dcerpc_bind_nak_versions;
  77
  78         typedef [nodiscriminant] union {
  79                 [case(DECRPC_BIND_PROTOCOL_VERSION_NOT_SUPPORTED)] dcerpc_bind_nak_versions v;
  80                 [default] ;
  81         } dcerpc_bind_nak_versions_ctr;
  82
  83         typedef struct {
  84                 uint16 reject_reason;
  85                 [switch_is(reject_reason)] dcerpc_bind_nak_versions_ctr versions;
  86         } dcerpc_bind_nak;
  87
  88         const uint8 DCERPC_RESPONSE_LENGTH = 24;
  89
  90         typedef struct {
  91                 uint32 alloc_hint;
  92                 uint16 context_id;
  93                 uint8 cancel_count;
  94                 [flag(NDR_ALIGN8)]    DATA_BLOB _pad;
  95                 [flag(NDR_REMAINING)] DATA_BLOB stub_and_verifier;
  96         } dcerpc_response;
  97
  98         typedef [v1_enum] enum {
  99                 DCERPC_NCA_S_COMM_FAILURE               = 0x1C010001,
 100                 DCERPC_NCA_S_OP_RNG_ERROR               = 0x1C010002,
 101                 DCERPC_NCA_S_UNKNOWN_IF                 = 0x1C010003,
 102                 DCERPC_NCA_S_WRONG_BOOT_TIME            = 0x1C010006,
 103                 DCERPC_NCA_S_YOU_CRASHED                = 0x1C010009,
 104                 DCERPC_NCA_S_PROTO_ERROR                = 0x1C01000B,
 105                 DCERPC_NCA_S_OUT_ARGS_TOO_BIG           = 0x1C010013,
 106                 DCERPC_NCA_S_SERVER_TOO_BUSY            = 0x1C010014,
 107                 DCERPC_NCA_S_FAULT_STRING_TOO_LARGE     = 0x1C010015,
 108                 DCERPC_NCA_S_UNSUPPORTED_TYPE           = 0x1C010017,
 109                 DCERPC_NCA_S_FAULT_INT_DIV_BY_ZERO      = 0x1C000001,
 110                 DCERPC_NCA_S_FAULT_ADDR_ERROR           = 0x1C000002,
 111                 DCERPC_NCA_S_FAULT_FP_DIV_BY_ZERO       = 0x1C000003,
 112                 DCERPC_NCA_S_FAULT_FP_UNDERFLOW         = 0x1C000004,
 113                 DCERPC_NCA_S_FAULT_FP_OVERRFLOW         = 0x1C000005,
 114                 DCERPC_NCA_S_FAULT_INVALID_TAG          = 0x1C000006,
 115                 DCERPC_NCA_S_FAULT_INVALID_BOUND        = 0x1C000007,
 116                 DCERPC_NCA_S_FAULT_RPC_VERSION_MISMATCH = 0x1C000008,
 117                 DCERPC_NCA_S_FAULT_UNSPEC_REJECT        = 0x1C000009,
 118                 DCERPC_NCA_S_FAULT_BAD_ACTID            = 0x1C00000A,
 119                 DCERPC_NCA_S_FAULT_WHO_ARE_YOU_FAILED   = 0x1C00000B,
 120                 DCERPC_NCA_S_FAULT_MANAGER_NOT_ENTERED  = 0x1C00000C,
 121                 DCERPC_NCA_S_FAULT_CANCEL               = 0x1C00000D,
 122                 DCERPC_NCA_S_FAULT_ILL_INST             = 0x1C00000E,
 123                 DCERPC_NCA_S_FAULT_FP_ERROR             = 0x1C00000F,
 124                 DCERPC_NCA_S_FAULT_INT_OVERFLOW         = 0x1C000010,
 125                 DCERPC_NCA_S_UNUSED_1C000011            = 0x1C000011,
 126                 DCERPC_NCA_S_FAULT_UNSPEC               = 0x1C000012,
 127                 DCERPC_NCA_S_FAULT_REMOTE_COMM_FAILURE  = 0x1C000013,
 128                 DCERPC_NCA_S_FAULT_PIPE_EMPTY           = 0x1C000014,
 129                 DCERPC_NCA_S_FAULT_PIPE_CLOSED          = 0x1C000015,
 130                 DCERPC_NCA_S_FAULT_PIPE_ORDER           = 0x1C000016,
 131                 DCERPC_NCA_S_FAULT_PIPE_DISCIPLINE      = 0x1C000017,
 132                 DCERPC_NCA_S_FAULT_PIPE_COMM_ERROR      = 0x1C000018,
 133                 DCERPC_NCA_S_FAULT_PIPE_MEMORY          = 0x1C000019,
 134                 DCERPC_NCA_S_FAULT_CONTEXT_MISMATCH     = 0x1C00001A,
 135                 DCERPC_NCA_S_FAULT_REMOTE_NO_MEMORY     = 0x1C00001B,
 136                 DCERPC_NCA_S_INVALID_PRES_CONTEXT_ID    = 0x1C00001C,
 137                 DCERPC_NCA_S_UNSUPPORTED_AUTHN_LEVEL    = 0x1C00001D,
 138                 DCERPC_NCA_S_UNUSED_1C00001E            = 0x1C00001E,
 139                 DCERPC_NCA_S_INVALID_CHECKSUM           = 0x1C00001F,
 140                 DCERPC_NCA_S_INVALID_CRC                = 0x1C000020,
 141                 DCERPC_NCA_S_FAULT_USER_DEFINED         = 0x1C000021,
 142                 DCERPC_NCA_S_FAULT_TX_OPEN_FAILED       = 0x1C000022,
 143                 DCERPC_NCA_S_FAULT_CODESET_CONV_ERROR   = 0x1C000023,
 144                 DCERPC_NCA_S_FAULT_OBJECT_NOT_FOUND     = 0x1C000024,
 145                 DCERPC_NCA_S_FAULT_NO_CLIENT_STUB       = 0x1C000025
 146         } dcerpc_nca_status;
 147
 148         const int DCERPC_FAULT_OP_RNG_ERROR       = 0x1c010002;
 149         const int DCERPC_FAULT_UNK_IF             = 0x1c010003;
 150         const int DCERPC_FAULT_NDR                = 0x000006f7;
 151         const int DCERPC_FAULT_INVALID_TAG        = 0x1c000006;
 152         const int DCERPC_FAULT_CONTEXT_MISMATCH   = 0x1c00001a;
 153         const int DCERPC_FAULT_OTHER              = 0x00000001;
 154         const int DCERPC_FAULT_ACCESS_DENIED      = 0x00000005;
 155         const int DCERPC_FAULT_CANT_PERFORM       = 0x000006d8;
 156
 157         /* we return this fault when we haven't yet run the test
 158            to see what fault w2k3 returns in this case */
 159         const int DCERPC_FAULT_TODO         = 0x00000042;
 160
 161         typedef struct {
 162                 uint32 alloc_hint;
 163                 uint16 context_id;
 164                 uint8 cancel_count;
 165                 dcerpc_nca_status status;
 166                 [flag(NDR_REMAINING)] DATA_BLOB _pad;
 167         } dcerpc_fault;
 168
 169         /* the auth types we know about */
 170         typedef [enum8bit] enum {
 171                 DCERPC_AUTH_TYPE_NONE     = 0,
 172                 /* this seems to be not krb5! */
 173                 DCERPC_AUTH_TYPE_KRB5_1   = 1,
 174                 DCERPC_AUTH_TYPE_SPNEGO   = 9,
 175                 DCERPC_AUTH_TYPE_NTLMSSP  = 10,
 176                 DCERPC_AUTH_TYPE_KRB5     = 16,
 177                 DCERPC_AUTH_TYPE_DPA      = 17,
 178                 DCERPC_AUTH_TYPE_MSN      = 18,
 179                 DCERPC_AUTH_TYPE_DIGEST   = 21,
 180                 DCERPC_AUTH_TYPE_SCHANNEL = 68,
 181                 DCERPC_AUTH_TYPE_MSMQ     = 100
 182         } dcerpc_AuthType;
 183
 184         typedef [enum8bit] enum {
 185                 DCERPC_AUTH_LEVEL_NONE      = 1,
 186                 DCERPC_AUTH_LEVEL_CONNECT   = 2,
 187                 DCERPC_AUTH_LEVEL_CALL      = 3,
 188                 DCERPC_AUTH_LEVEL_PACKET    = 4,
 189                 DCERPC_AUTH_LEVEL_INTEGRITY = 5,
 190                 DCERPC_AUTH_LEVEL_PRIVACY   = 6
 191         } dcerpc_AuthLevel;
 192
 193         const uint8 DCERPC_AUTH_LEVEL_DEFAULT   = DCERPC_AUTH_LEVEL_CONNECT;
 194
 195         typedef [public] struct {
 196                 dcerpc_AuthType auth_type;
 197                 dcerpc_AuthLevel auth_level;
 198                 uint8  auth_pad_length;
 199                 uint8  auth_reserved;
 200                 uint32 auth_context_id;
 201                 [flag(NDR_REMAINING)] DATA_BLOB credentials;
 202         } dcerpc_auth;
 203
 204         const uint8 DCERPC_AUTH_TRAILER_LENGTH = 8;
 205
 206         typedef [public] struct {
 207                 [value(0)]            uint32    _pad;
 208                 [flag(NDR_REMAINING)] DATA_BLOB auth_info;
 209         } dcerpc_auth3;
 210
 211         typedef [public] struct {
 212                 [value(0)]            uint32    _pad;
 213                 [flag(NDR_REMAINING)] DATA_BLOB auth_info;
 214         } dcerpc_orphaned;
 215
 216         typedef [public] struct {
 217                 [value(0)]            uint32    _pad;
 218                 [flag(NDR_REMAINING)] DATA_BLOB auth_info;
 219         } dcerpc_co_cancel;
 220
 221         typedef [public] struct {
 222                 uint32 version;
 223                 uint32 id;
 224         } dcerpc_cl_cancel;
 225
 226         typedef [public] struct {
 227                 uint32 version;
 228                 uint32 id;
 229                 boolean32 server_is_accepting;
 230         } dcerpc_cancel_ack;
 231
 232         typedef [public] struct {
 233                 uint32 version;
 234                 uint8 _pad1;
 235                 uint16 window_size;
 236                 uint32 max_tdsu;
 237                 uint32 max_frag_size;
 238                 uint16 serial_no;
 239                 uint16 selack_size;
 240                 uint32 selack[selack_size];
 241         } dcerpc_fack;
 242
 243         typedef [public] struct {
 244         } dcerpc_ack;
 245
 246         typedef [public] struct {
 247         } dcerpc_ping;
 248
 249         typedef [public] struct {
 250         } dcerpc_shutdown;
 251
 252         typedef [public] struct {
 253         } dcerpc_working;
 254
 255         typedef [enum8bit] enum {
 256                 DCERPC_PKT_REQUEST     =  0,    /* Ordinary request. */
 257                 DCERPC_PKT_PING        =  1,    /* Connectionless is server alive ? */
 258                 DCERPC_PKT_RESPONSE    =  2,    /* Ordinary reply. */
 259                 DCERPC_PKT_FAULT       =  3,    /* Fault in processing of call. */
 260                 DCERPC_PKT_WORKING     =  4,    /* Connectionless reply to a ping when server busy. */
 261                 DCERPC_PKT_NOCALL      =  5,    /* Connectionless reply to a ping when server has lost part of clients call. */
 262                 DCERPC_PKT_REJECT      =  6,    /* Refuse a request with a code. */
 263                 DCERPC_PKT_ACK         =  7,    /* Connectionless client to server code. */
 264                 DCERPC_PKT_CL_CANCEL   =  8,    /* Connectionless cancel. */
 265                 DCERPC_PKT_FACK        =  9,    /* Connectionless fragment ack. Both client and server send. */
 266                 DCERPC_PKT_CANCEL_ACK  = 10,    /* Server ACK to client cancel request. */
 267                 DCERPC_PKT_BIND        = 11,    /* Bind to interface. */
 268                 DCERPC_PKT_BIND_ACK    = 12,    /* Server ack of bind. */
 269                 DCERPC_PKT_BIND_NAK    = 13,    /* Server nack of bind. */
 270                 DCERPC_PKT_ALTER       = 14,    /* Alter auth. */
 271                 DCERPC_PKT_ALTER_RESP  = 15,    /* Reply to alter auth. */
 272                 DCERPC_PKT_AUTH3       = 16,    /* not the real name!  this is undocumented! */
 273                 DCERPC_PKT_SHUTDOWN    = 17,    /* Server to client request to shutdown. */
 274                 DCERPC_PKT_CO_CANCEL   = 18,    /* Connection-oriented cancel request. */
 275                 DCERPC_PKT_ORPHANED    = 19     /* Client telling server it's aborting a partially sent request or telling server to stop sending replies. */
 276         } dcerpc_pkt_type;
 277
 278         typedef [nodiscriminant] union {
 279                 [case(DCERPC_PKT_REQUEST)]    dcerpc_request  request;
 280                 [case(DCERPC_PKT_PING)]           dcerpc_ping ping;
 281                 [case(DCERPC_PKT_RESPONSE)]   dcerpc_response response;
 282                 [case(DCERPC_PKT_FAULT)]          dcerpc_fault fault;
 283                 [case(DCERPC_PKT_WORKING)]        dcerpc_working working;
 284                 [case(DCERPC_PKT_NOCALL)]     dcerpc_fack nocall;
 285                 [case(DCERPC_PKT_REJECT)]     dcerpc_fault reject;
 286                 [case(DCERPC_PKT_ACK)]        dcerpc_ack ack;
 287                 [case(DCERPC_PKT_CL_CANCEL)]  dcerpc_cl_cancel cl_cancel;
 288                 [case(DCERPC_PKT_FACK)]       dcerpc_fack fack;
 289                 [case(DCERPC_PKT_CANCEL_ACK)] dcerpc_cancel_ack cancel_ack;
 290                 [case(DCERPC_PKT_BIND)]       dcerpc_bind     bind;
 291                 [case(DCERPC_PKT_BIND_ACK)]   dcerpc_bind_ack bind_ack;
 292                 [case(DCERPC_PKT_BIND_NAK)]   dcerpc_bind_nak bind_nak;
 293                 [case(DCERPC_PKT_ALTER)]      dcerpc_bind     alter;
 294                 [case(DCERPC_PKT_ALTER_RESP)] dcerpc_bind_ack alter_resp;
 295                 [case(DCERPC_PKT_SHUTDOWN)]   dcerpc_shutdown shutdown;
 296                 [case(DCERPC_PKT_CO_CANCEL)]  dcerpc_co_cancel co_cancel;
 297                 [case(DCERPC_PKT_ORPHANED)]   dcerpc_orphaned orphaned;
 298                 [case(DCERPC_PKT_AUTH3)]      dcerpc_auth3    auth3;
 299         } dcerpc_payload;
 300
 301         /* pfc_flags values */
 302         const uint8 DCERPC_PFC_FLAG_FIRST               = 0x01; /* First fragment */
 303         const uint8 DCERPC_PFC_FLAG_LAST                = 0x02; /* Last fragment */
 304         const uint8 DCERPC_PFC_FLAG_PENDING_CANCEL      = 0x04; /* Cancel was pending at sender */
 305         const uint8 DCERPC_PFC_FLAG_SUPPORT_HEADER_SIGN = DCERPC_PFC_FLAG_PENDING_CANCEL; /* depends on the pdu type */
 306         const uint8 DCERPC_PFC_FLAG_CONC_MPX            = 0x10; /* supports concurrent multiplexing of a single connection. */
 307         const uint8 DCERPC_PFC_FLAG_DID_NOT_EXECUTE     = 0x20; /* on a fault it means the server hasn't done anything */
 308         const uint8 DCERPC_PFC_FLAG_MAYBE               = 0x40; /* `maybe' call semantics requested */
 309         const uint8 DCERPC_PFC_FLAG_OBJECT_UUID         = 0x80; /* on valid guid is in the optional object field */
 310
 311         /* these offsets are needed by the signing code */
 312         const uint8 DCERPC_PFC_OFFSET      =  3;
 313         const uint8 DCERPC_DREP_OFFSET     =  4;
 314         const uint8 DCERPC_FRAG_LEN_OFFSET =  8;
 315         const uint8 DCERPC_AUTH_LEN_OFFSET = 10;
 316
 317         /* little-endian flag */
 318         const uint8 DCERPC_DREP_LE  = 0x10;
 319
 320         typedef [public] struct {
 321                 uint8 rpc_vers;         /* RPC version */
 322                 uint8 rpc_vers_minor;   /* Minor version */
 323                 dcerpc_pkt_type ptype;  /* Packet type */
 324                 uint8 pfc_flags;        /* Fragmentation flags */
 325                 uint8 drep[4];          /* NDR data representation */
 326                 uint16 frag_length;     /* Total length of fragment */
 327                 uint16 auth_length;     /* authenticator length */
 328                 uint32 call_id;         /* Call identifier */
 329                 [switch_is(ptype)] dcerpc_payload u;
 330         } ncacn_packet;
 331
 332         typedef [public] struct {
 333                 uint8 rpc_vers;         /* RPC version (4) */
 334                 uint8 ptype;
 335                 uint8 pfc_flags;
 336                 uint8 ncadg_flags;
 337                 uint8 drep[3];
 338                 uint8 serial_high;
 339                 GUID object;
 340                 GUID iface;
 341                 GUID activity;
 342                 uint32 server_boot; /* Server boot time */
 343                 uint32 iface_version;
 344                 uint32 seq_num;
 345                 uint16 opnum;
 346                 uint16 ihint;
 347                 uint16 ahint;
 348                 uint16 len;
 349                 uint16 fragnum;
 350                 uint8 auth_proto;
 351                 uint8 serial_low;
 352                 [switch_is(ptype)] dcerpc_payload u;
 353         } ncadg_packet;
 354 }