source4/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 [
  12 pointer_default(unique)
  13 ]
  14 interface dcerpc
  15 {
  16         typedef [public] struct {
  17                 GUID uuid;
  18                 uint32 if_version;
  19         } dcerpc_syntax_id;
  20
  21         typedef struct {
  22                 uint16 context_id;
  23                 uint8 num_transfer_syntaxes;
  24                 dcerpc_syntax_id abstract_syntax;
  25                 dcerpc_syntax_id transfer_syntaxes[num_transfer_syntaxes];
  26         } dcerpc_ctx_list;
  27
  28         typedef struct {
  29                 uint16 max_xmit_frag;
  30                 uint16 max_recv_frag;
  31                 uint32 assoc_group_id;
  32                 uint8  num_contexts;
  33                 dcerpc_ctx_list ctx_list[num_contexts];
  34                 [flag(NDR_ALIGN8)]    DATA_BLOB _pad;
  35                 [flag(NDR_REMAINING)] DATA_BLOB auth_info;
  36         } dcerpc_bind;
  37
  38
  39         const uint8 DCERPC_REQUEST_LENGTH = 24;
  40         const uint8 DCERPC_MAX_SIGN_SIZE  = 32;
  41
  42         typedef struct {
  43         } dcerpc_empty;
  44
  45         typedef [nodiscriminant] union {
  46                 [default] dcerpc_empty empty;
  47                 [case(LIBNDR_FLAG_OBJECT_PRESENT)] GUID object;
  48         } dcerpc_object;
  49
  50         typedef struct {
  51                 uint32 alloc_hint;
  52                 uint16 context_id;
  53                 uint16 opnum;
  54                 [switch_is(ndr->flags & LIBNDR_FLAG_OBJECT_PRESENT)] dcerpc_object object;
  55                 [flag(NDR_ALIGN8)]    DATA_BLOB _pad;
  56                 [flag(NDR_REMAINING)] DATA_BLOB stub_and_verifier;
  57         } dcerpc_request;
  58
  59         const int DCERPC_BIND_PROVIDER_REJECT = 2;
  60         const int DCERPC_BIND_REASON_ASYNTAX  = 1;
  61
  62         typedef struct {
  63                 uint16 result;
  64                 uint16 reason;
  65                 dcerpc_syntax_id syntax;
  66         } dcerpc_ack_ctx;
  67
  68         typedef struct {
  69                 uint16 max_xmit_frag;
  70                 uint16 max_recv_frag;
  71                 uint32 assoc_group_id;
  72                 ascstr3 secondary_address;
  73                 [flag(NDR_ALIGN4)]    DATA_BLOB _pad1;
  74                 uint8 num_results;
  75                 dcerpc_ack_ctx ctx_list[num_results];
  76                 [flag(NDR_REMAINING)] DATA_BLOB auth_info;
  77         } dcerpc_bind_ack;
  78
  79         typedef struct {
  80                 uint16 reject_reason;
  81                 uint32 num_versions;
  82                 uint32 versions[num_versions];
  83         } dcerpc_bind_nak;
  84
  85         const uint8 DCERPC_RESPONSE_LENGTH = 24;
  86
  87         typedef struct {
  88                 uint32 alloc_hint;
  89                 uint16 context_id;
  90                 uint8 cancel_count;
  91                 [flag(NDR_ALIGN8)]    DATA_BLOB _pad;
  92                 [flag(NDR_REMAINING)] DATA_BLOB stub_and_verifier;
  93         } dcerpc_response;
  94
  95
  96         const int DCERPC_FAULT_OP_RNG_ERROR       = 0x1c010002;
  97         const int DCERPC_FAULT_UNK_IF             = 0x1c010003;
  98         const int DCERPC_FAULT_NDR                = 0x000006f7;
  99         const int DCERPC_FAULT_INVALID_TAG        = 0x1c000006;
 100         const int DCERPC_FAULT_CONTEXT_MISMATCH   = 0x1c00001a;
 101         const int DCERPC_FAULT_OTHER              = 0x00000001;
 102         const int DCERPC_FAULT_LOGON_FAILURE      = 0x00000005;
 103         const int DCERPC_FAULT_CANT_PERFORM       = 0x000006d8;
 104
 105         /* we return this fault when we haven't yet run the test
 106            to see what fault w2k3 returns in this case */
 107         const int DCERPC_FAULT_TODO         = 0x00000042;
 108
 109         typedef struct {
 110                 uint32 alloc_hint;
 111                 uint16 context_id;
 112                 uint8 cancel_count;
 113                 uint32 status;
 114         } dcerpc_fault;
 115
 116         /* the auth types we know about
 117         const uint8 DCERPC_AUTH_TYPE_NONE     = 0;
 118         /* this seems to be not krb5! */
 119         const uint8 DCERPC_AUTH_TYPE_KRB5_1   = 1;
 120         const uint8 DCERPC_AUTH_TYPE_SPNEGO   = 9;
 121         const uint8 DCERPC_AUTH_TYPE_NTLMSSP  = 10;
 122         /* I'm not 100% sure but type 16(0x10)
 123          * seems to be raw krb5 --metze
 124          */
 125         const uint8 DCERPC_AUTH_TYPE_KRB5     = 16;
 126         const uint8 DCERPC_AUTH_TYPE_SCHANNEL = 68;
 127         const uint8 DCERPC_AUTH_TYPE_MSMQ     = 100;
 128
 129         const uint8 DCERPC_AUTH_LEVEL_DEFAULT   = DCERPC_AUTH_LEVEL_CONNECT;
 130         const uint8 DCERPC_AUTH_LEVEL_NONE      = 1;
 131         const uint8 DCERPC_AUTH_LEVEL_CONNECT   = 2;
 132         const uint8 DCERPC_AUTH_LEVEL_CALL      = 3;
 133         const uint8 DCERPC_AUTH_LEVEL_PACKET    = 4;
 134         const uint8 DCERPC_AUTH_LEVEL_INTEGRITY = 5;
 135         const uint8 DCERPC_AUTH_LEVEL_PRIVACY   = 6;
 136
 137         typedef [public] struct {
 138                 uint8  auth_type;
 139                 uint8  auth_level;
 140                 uint8  auth_pad_length;
 141                 uint8  auth_reserved;
 142                 uint32 auth_context_id;
 143                 [flag(NDR_REMAINING)] DATA_BLOB credentials;
 144         } dcerpc_auth;
 145
 146         typedef [public] struct {
 147                 uint32 _pad;
 148                 [flag(NDR_REMAINING)] DATA_BLOB auth_info;
 149         } dcerpc_auth3;
 150
 151         typedef [enum8bit] enum {
 152                 DCERPC_PKT_REQUEST     =  0,
 153                 DCERPC_PKT_PING        =  1,
 154                 DCERPC_PKT_RESPONSE    =  2,
 155                 DCERPC_PKT_FAULT       =  3,
 156                 DCERPC_PKT_WORKING     =  4,
 157                 DCERPC_PKT_NOCALL      =  5,
 158                 DCERPC_PKT_REJECT      =  6,
 159                 DCERPC_PKT_ACK         =  7,
 160                 DCERPC_PKT_CL_CANCEL   =  8,
 161                 DCERPC_PKT_FACK        =  9,
 162                 DCERPC_PKT_CANCEL_ACK  = 10,
 163                 DCERPC_PKT_BIND        = 11,
 164                 DCERPC_PKT_BIND_ACK    = 12,
 165                 DCERPC_PKT_BIND_NAK    = 13,
 166                 DCERPC_PKT_ALTER       = 14,
 167                 DCERPC_PKT_ALTER_RESP  = 15,
 168                 DCERPC_PKT_AUTH3       = 16,
 169                 DCERPC_PKT_SHUTDOWN    = 17,
 170                 DCERPC_PKT_CO_CANCEL   = 18,
 171                 DCERPC_PKT_ORPHANED    = 19
 172         } dcerpc_pkt_type;
 173
 174         typedef [nodiscriminant] union {
 175                 [case(DCERPC_PKT_REQUEST)]    dcerpc_request  request;
 176                 [case(DCERPC_PKT_RESPONSE)]   dcerpc_response response;
 177                 [case(DCERPC_PKT_BIND)]       dcerpc_bind     bind;
 178                 [case(DCERPC_PKT_BIND_ACK)]   dcerpc_bind_ack bind_ack;
 179                 [case(DCERPC_PKT_ALTER)]      dcerpc_bind     alter;
 180                 [case(DCERPC_PKT_ALTER_RESP)] dcerpc_bind_ack alter_resp;
 181                 [case(DCERPC_PKT_FAULT)]      dcerpc_fault    fault;
 182                 [case(DCERPC_PKT_AUTH3)]      dcerpc_auth3    auth3;
 183                 [case(DCERPC_PKT_BIND_NAK)]   dcerpc_bind_nak bind_nak;
 184         } dcerpc_payload;
 185
 186
 187         /* pfc_flags values */
 188         const uint8 DCERPC_PFC_FLAG_FIRST  = 0x01;
 189         const uint8 DCERPC_PFC_FLAG_LAST   = 0x02;
 190         const uint8 DCERPC_PFC_FLAG_NOCALL = 0x20;
 191         const uint8 DCERPC_PFC_FLAG_ORPC   = 0x80;
 192
 193         /* these offsets are needed by the signing code */
 194         const uint8 DCERPC_DREP_OFFSET     =  4;
 195         const uint8 DCERPC_FRAG_LEN_OFFSET =  8;
 196         const uint8 DCERPC_AUTH_LEN_OFFSET = 10;
 197
 198         /* little-endian flag */
 199         const uint8 DCERPC_DREP_LE  = 0x10;
 200
 201         typedef [public] struct {
 202                 uint8 rpc_vers;         /* RPC version */
 203                 uint8 rpc_vers_minor;   /* Minor version */
 204                 dcerpc_pkt_type ptype;  /* Packet type */
 205                 uint8 pfc_flags;        /* Fragmentation flags */
 206                 uint8 drep[4];          /* NDR data representation */
 207                 uint16 frag_length;     /* Total length of fragment */
 208                 uint16 auth_length;     /* authenticator length */
 209                 uint32 call_id;         /* Call identifier */
 210                 [switch_is(ptype)] dcerpc_payload u;
 211         } dcerpc_packet;
 212 }