source/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 []
   9 interface dcerpc
  10 {
  11         typedef struct {
  12                 GUID uuid;
  13                 uint32 if_version;
  14         } dcerpc_syntax_id;
  15
  16         typedef struct {
  17                 uint16 context_id;
  18                 uint8 num_transfer_syntaxes;
  19                 dcerpc_syntax_id abstract_syntax;
  20                 dcerpc_syntax_id transfer_syntaxes[num_transfer_syntaxes];
  21         } dcerpc_ctx_list;
  22
  23         typedef struct {
  24                 uint16 max_xmit_frag;
  25                 uint16 max_recv_frag;
  26                 uint32 assoc_group_id;
  27                 uint8 num_contexts;
  28                 dcerpc_ctx_list ctx_list[num_contexts];
  29                 [flag(NDR_ALIGN8)]    DATA_BLOB _pad;
  30                 [flag(NDR_REMAINING)] DATA_BLOB auth_verifier;
  31         } dcerpc_bind;
  32
  33         typedef struct {
  34                 uint32 alloc_hint;
  35                 uint16 context_id;
  36                 uint16 opnum;
  37                 [flag(NDR_ALIGN8)]    DATA_BLOB _pad;
  38                 [flag(NDR_REMAINING)] DATA_BLOB stub_and_verifier;
  39         } dcerpc_request;
  40
  41         typedef struct {
  42                 uint16 result;
  43                 uint16 reason;
  44                 dcerpc_syntax_id syntax;
  45         } dcerpc_ack_ctx;
  46
  47         typedef struct {
  48                 uint16 max_xmit_frag;
  49                 uint16 max_recv_frag;
  50                 uint32 assoc_group_id;
  51                 ascstr3 secondary_address;
  52                 [flag(NDR_ALIGN4)]    DATA_BLOB _pad1;
  53                 uint8 num_results;
  54                 dcerpc_ack_ctx ctx_list[num_results];
  55                 [flag(NDR_ALIGN8)]    DATA_BLOB _pad2;
  56                 [flag(NDR_REMAINING)] DATA_BLOB auth_verifier;
  57         } dcerpc_bind_ack;
  58
  59         typedef struct {
  60                 uint16 reject_reason;
  61                 uint32 num_versions;
  62                 uint32 versions[num_versions];
  63         } dcerpc_bind_nak;
  64
  65         typedef struct {
  66                 uint32 alloc_hint;
  67                 uint16 context_id;
  68                 uint8 cancel_count;
  69                 [flag(NDR_ALIGN8)]    DATA_BLOB _pad;
  70                 [flag(NDR_REMAINING)] DATA_BLOB stub_and_verifier;
  71         } dcerpc_response;
  72
  73         typedef struct {
  74                 uint32 status;
  75         } dcerpc_fault;
  76
  77         typedef enum {
  78                 DCERPC_PKT_REQUEST=0,
  79                 DCERPC_PKT_RESPONSE=2,
  80                 DCERPC_PKT_FAULT=3,
  81                 DCERPC_PKT_BIND=11,
  82                 DCERPC_PKT_BIND_ACK=12,
  83                 DCERPC_PKT_BIND_NAK=13
  84         } dcerpc_pkt_type;
  85
  86         typedef [nodiscriminant] union {
  87                 [case(DCERPC_PKT_REQUEST)]  dcerpc_request  request;
  88                 [case(DCERPC_PKT_RESPONSE)] dcerpc_response response;
  89                 [case(DCERPC_PKT_BIND)]     dcerpc_bind     bind;
  90                 [case(DCERPC_PKT_BIND_ACK)] dcerpc_bind_ack bind_ack;
  91                 [case(DCERPC_PKT_FAULT)]    dcerpc_fault    fault;
  92         } dcerpc_payload;
  93
  94
  95         /* pfc_flags values */
  96         const uint8 DCERPC_PFC_FLAG_FIRST  = 0x01;
  97         const uint8 DCERPC_PFC_FLAG_LAST   = 0x02;
  98         const uint8 DCERPC_PFC_FLAG_NOCALL = 0x20;
  99
 100         typedef [public] struct {
 101                 uint8 rpc_vers;         /* RPC version */
 102                 uint8 rpc_vers_minor;   /* Minor version */
 103                 uint8 ptype;            /* Packet type */
 104                 uint8 pfc_flags;        /* Fragmentation flags */
 105                 uint8 drep[4];          /* NDR data representation */
 106                 uint16 frag_length;     /* Total length of fragment */
 107                 uint16 auth_length;     /* authenticator length */
 108                 uint32 call_id;         /* Call identifier */
 109
 110                 [switch_is(ptype)] dcerpc_payload u;
 111         } dcerpc_packet;
 112 }