| 1 | #include "idl_types.h"
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| 2 |
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| 3 | /*
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| 4 | the base dcerpc packet definitions - not traditionally coded as IDL,
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| 5 | but given that pidl can handle it nicely it simplifies things a lot
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| 6 | to do it this way
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| 7 |
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| 8 | see http://www.opengroup.org/onlinepubs/9629399/chap12.htm for packet
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| 9 | layouts
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| 10 | */
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| 11 | import "misc.idl";
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| 12 |
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| 13 | interface dcerpc
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| 14 | {
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| 15 | typedef struct {
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| 16 | uint16 context_id;
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| 17 | uint8 num_transfer_syntaxes;
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| 18 | ndr_syntax_id abstract_syntax;
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| 19 | ndr_syntax_id transfer_syntaxes[num_transfer_syntaxes];
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| 20 | } dcerpc_ctx_list;
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| 21 |
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| 22 | typedef struct {
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| 23 | uint16 max_xmit_frag;
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| 24 | uint16 max_recv_frag;
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| 25 | uint32 assoc_group_id;
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| 26 | uint8 num_contexts;
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| 27 | dcerpc_ctx_list ctx_list[num_contexts];
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| 28 | [flag(NDR_ALIGN4)] DATA_BLOB _pad;
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| 29 | [flag(NDR_REMAINING)] DATA_BLOB auth_info;
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| 30 | } dcerpc_bind;
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| 31 |
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| 32 | const uint8 DCERPC_REQUEST_LENGTH = 24;
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| 33 |
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| 34 | typedef struct {
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| 35 | } dcerpc_empty;
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| 36 |
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| 37 | typedef [nodiscriminant] union {
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| 38 | [default] dcerpc_empty empty;
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| 39 | [case(LIBNDR_FLAG_OBJECT_PRESENT)] GUID object;
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| 40 | } dcerpc_object;
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| 41 |
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| 42 | typedef struct {
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| 43 | uint32 alloc_hint;
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| 44 | uint16 context_id;
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| 45 | uint16 opnum;
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| 46 | [switch_is(ndr->flags & LIBNDR_FLAG_OBJECT_PRESENT)] dcerpc_object object;
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| 47 | [flag(NDR_ALIGN8)] DATA_BLOB _pad;
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| 48 | [flag(NDR_REMAINING)] DATA_BLOB stub_and_verifier;
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| 49 | } dcerpc_request;
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| 50 |
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| 51 | const int DCERPC_BIND_REASON_ASYNTAX = 1;
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| 52 | const int DCERPC_BIND_PROVIDER_REJECT = 2;
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| 53 | const int DECRPC_BIND_PROTOCOL_VERSION_NOT_SUPPORTED = 4;
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| 54 | const int DCERPC_BIND_REASON_INVALID_AUTH_TYPE = 8;
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| 55 |
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| 56 | typedef struct {
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| 57 | uint16 result;
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| 58 | uint16 reason;
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| 59 | ndr_syntax_id syntax;
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| 60 | } dcerpc_ack_ctx;
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| 61 |
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| 62 | typedef struct {
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| 63 | uint16 max_xmit_frag;
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| 64 | uint16 max_recv_frag;
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| 65 | uint32 assoc_group_id;
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| 66 | [value(strlen(secondary_address)+1)] uint16 secondary_address_size;
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| 67 | [charset(DOS)] uint8 secondary_address[secondary_address_size];
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| 68 | [flag(NDR_ALIGN4)] DATA_BLOB _pad1;
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| 69 | uint8 num_results;
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| 70 | dcerpc_ack_ctx ctx_list[num_results];
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| 71 | [flag(NDR_REMAINING)] DATA_BLOB auth_info;
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| 72 | } dcerpc_bind_ack;
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| 73 |
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| 74 | typedef struct {
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| 75 | uint32 num_versions;
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| 76 | uint32 versions[num_versions];
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| 77 | } dcerpc_bind_nak_versions;
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| 78 |
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| 79 | typedef [nodiscriminant] union {
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| 80 | [case(DECRPC_BIND_PROTOCOL_VERSION_NOT_SUPPORTED)] dcerpc_bind_nak_versions v;
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| 81 | [default] ;
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| 82 | } dcerpc_bind_nak_versions_ctr;
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| 83 |
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| 84 | typedef struct {
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| 85 | uint16 reject_reason;
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| 86 | [switch_is(reject_reason)] dcerpc_bind_nak_versions_ctr versions;
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| 87 | } dcerpc_bind_nak;
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| 88 |
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| 89 | const uint8 DCERPC_RESPONSE_LENGTH = 24;
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| 90 |
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| 91 | typedef struct {
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| 92 | uint32 alloc_hint;
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| 93 | uint16 context_id;
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| 94 | uint8 cancel_count;
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| 95 | [flag(NDR_ALIGN8)] DATA_BLOB _pad;
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| 96 | [flag(NDR_REMAINING)] DATA_BLOB stub_and_verifier;
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| 97 | } dcerpc_response;
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| 98 |
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| 99 |
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| 100 | const int DCERPC_FAULT_OP_RNG_ERROR = 0x1c010002;
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| 101 | const int DCERPC_FAULT_UNK_IF = 0x1c010003;
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| 102 | const int DCERPC_FAULT_NDR = 0x000006f7;
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| 103 | const int DCERPC_FAULT_INVALID_TAG = 0x1c000006;
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| 104 | const int DCERPC_FAULT_CONTEXT_MISMATCH = 0x1c00001a;
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| 105 | const int DCERPC_FAULT_OTHER = 0x00000001;
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| 106 | const int DCERPC_FAULT_ACCESS_DENIED = 0x00000005;
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| 107 | const int DCERPC_FAULT_CANT_PERFORM = 0x000006d8;
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| 108 | const int DCERPC_FAULT_SEC_PKG_ERROR = 0x00000721;
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| 109 |
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| 110 | /* we return this fault when we haven't yet run the test
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| 111 | to see what fault w2k3 returns in this case */
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| 112 | const int DCERPC_FAULT_TODO = 0x00000042;
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| 113 |
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| 114 | typedef struct {
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| 115 | uint32 alloc_hint;
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| 116 | uint16 context_id;
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| 117 | uint8 cancel_count;
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| 118 | uint32 status;
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| 119 | [flag(NDR_REMAINING)] DATA_BLOB _pad;
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| 120 | } dcerpc_fault;
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| 121 |
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| 122 | /* the auth types we know about */
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| 123 | typedef [enum8bit] enum {
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| 124 | DCERPC_AUTH_TYPE_NONE = 0,
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| 125 | /* this seems to be not krb5! */
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| 126 | DCERPC_AUTH_TYPE_KRB5_1 = 1,
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| 127 | DCERPC_AUTH_TYPE_SPNEGO = 9,
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| 128 | DCERPC_AUTH_TYPE_NTLMSSP = 10,
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| 129 | DCERPC_AUTH_TYPE_KRB5 = 16,
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| 130 | DCERPC_AUTH_TYPE_DPA = 17,
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| 131 | DCERPC_AUTH_TYPE_MSN = 18,
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| 132 | DCERPC_AUTH_TYPE_DIGEST = 21,
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| 133 | DCERPC_AUTH_TYPE_SCHANNEL = 68,
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| 134 | DCERPC_AUTH_TYPE_MSMQ = 100
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| 135 | } dcerpc_AuthType;
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| 136 |
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| 137 | typedef [enum8bit] enum {
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| 138 | DCERPC_AUTH_LEVEL_NONE = 1,
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| 139 | DCERPC_AUTH_LEVEL_CONNECT = 2,
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| 140 | DCERPC_AUTH_LEVEL_CALL = 3,
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| 141 | DCERPC_AUTH_LEVEL_PACKET = 4,
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| 142 | DCERPC_AUTH_LEVEL_INTEGRITY = 5,
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| 143 | DCERPC_AUTH_LEVEL_PRIVACY = 6
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| 144 | } dcerpc_AuthLevel;
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| 145 |
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| 146 | const uint8 DCERPC_AUTH_LEVEL_DEFAULT = DCERPC_AUTH_LEVEL_CONNECT;
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| 147 |
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| 148 | typedef [public] struct {
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| 149 | dcerpc_AuthType auth_type;
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| 150 | dcerpc_AuthLevel auth_level;
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| 151 | uint8 auth_pad_length;
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| 152 | uint8 auth_reserved;
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| 153 | uint32 auth_context_id;
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| 154 | [flag(NDR_REMAINING)] DATA_BLOB credentials;
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| 155 | } dcerpc_auth;
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| 156 |
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| 157 | const uint8 DCERPC_AUTH_TRAILER_LENGTH = 8;
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| 158 |
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| 159 | typedef [public] struct {
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| 160 | uint32 _pad;
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| 161 | [flag(NDR_REMAINING)] DATA_BLOB auth_info;
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| 162 | } dcerpc_auth3;
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| 163 |
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| 164 | typedef [public] struct {
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| 165 | uint32 _pad;
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| 166 | [flag(NDR_REMAINING)] DATA_BLOB auth_info;
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| 167 | } dcerpc_orphaned;
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| 168 |
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| 169 | typedef [public] struct {
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| 170 | uint32 _pad;
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| 171 | [flag(NDR_REMAINING)] DATA_BLOB auth_info;
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| 172 | } dcerpc_co_cancel;
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| 173 |
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| 174 | typedef [public] struct {
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| 175 | uint32 version;
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| 176 | uint32 id;
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| 177 | } dcerpc_cl_cancel;
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| 178 |
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| 179 | typedef [public] struct {
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| 180 | uint32 version;
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| 181 | uint32 id;
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| 182 | boolean32 server_is_accepting;
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| 183 | } dcerpc_cancel_ack;
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| 184 |
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| 185 | typedef [public] struct {
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| 186 | uint32 version;
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| 187 | uint8 _pad1;
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| 188 | uint16 window_size;
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| 189 | uint32 max_tdsu;
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| 190 | uint32 max_frag_size;
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| 191 | uint16 serial_no;
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| 192 | uint16 selack_size;
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| 193 | uint32 selack[selack_size];
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| 194 | } dcerpc_fack;
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| 195 |
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| 196 | typedef [public] struct {
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| 197 | } dcerpc_ack;
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| 198 |
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| 199 | typedef [public] struct {
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| 200 | } dcerpc_ping;
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| 201 |
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| 202 | typedef [public] struct {
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| 203 | } dcerpc_shutdown;
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| 204 |
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| 205 | typedef [public] struct {
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| 206 | } dcerpc_working;
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| 207 |
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| 208 | typedef [enum8bit] enum {
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| 209 | DCERPC_PKT_REQUEST = 0, /* Ordinary request. */
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| 210 | DCERPC_PKT_PING = 1, /* Connectionless is server alive ? */
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| 211 | DCERPC_PKT_RESPONSE = 2, /* Ordinary reply. */
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| 212 | DCERPC_PKT_FAULT = 3, /* Fault in processing of call. */
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| 213 | DCERPC_PKT_WORKING = 4, /* Connectionless reply to a ping when server busy. */
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| 214 | DCERPC_PKT_NOCALL = 5, /* Connectionless reply to a ping when server has lost part of clients call. */
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| 215 | DCERPC_PKT_REJECT = 6, /* Refuse a request with a code. */
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| 216 | DCERPC_PKT_ACK = 7, /* Connectionless client to server code. */
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| 217 | DCERPC_PKT_CL_CANCEL = 8, /* Connectionless cancel. */
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| 218 | DCERPC_PKT_FACK = 9, /* Connectionless fragment ack. Both client and server send. */
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| 219 | DCERPC_PKT_CANCEL_ACK = 10, /* Server ACK to client cancel request. */
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| 220 | DCERPC_PKT_BIND = 11, /* Bind to interface. */
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| 221 | DCERPC_PKT_BIND_ACK = 12, /* Server ack of bind. */
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| 222 | DCERPC_PKT_BIND_NAK = 13, /* Server nack of bind. */
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| 223 | DCERPC_PKT_ALTER = 14, /* Alter auth. */
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| 224 | DCERPC_PKT_ALTER_RESP = 15, /* Reply to alter auth. */
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| 225 | DCERPC_PKT_AUTH3 = 16, /* not the real name! this is undocumented! */
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| 226 | DCERPC_PKT_SHUTDOWN = 17, /* Server to client request to shutdown. */
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| 227 | DCERPC_PKT_CO_CANCEL = 18, /* Connection-oriented cancel request. */
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| 228 | DCERPC_PKT_ORPHANED = 19 /* Client telling server it's aborting a partially sent request or telling server to stop sending replies. */
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| 229 | } dcerpc_pkt_type;
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| 230 |
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| 231 | typedef [nodiscriminant] union {
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| 232 | [case(DCERPC_PKT_REQUEST)] dcerpc_request request;
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| 233 | [case(DCERPC_PKT_PING)] dcerpc_ping ping;
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| 234 | [case(DCERPC_PKT_RESPONSE)] dcerpc_response response;
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| 235 | [case(DCERPC_PKT_FAULT)] dcerpc_fault fault;
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| 236 | [case(DCERPC_PKT_WORKING)] dcerpc_working working;
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| 237 | [case(DCERPC_PKT_NOCALL)] dcerpc_fack nocall;
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| 238 | [case(DCERPC_PKT_REJECT)] dcerpc_fault reject;
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| 239 | [case(DCERPC_PKT_ACK)] dcerpc_ack ack;
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| 240 | [case(DCERPC_PKT_CL_CANCEL)] dcerpc_cl_cancel cl_cancel;
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| 241 | [case(DCERPC_PKT_FACK)] dcerpc_fack fack;
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| 242 | [case(DCERPC_PKT_CANCEL_ACK)] dcerpc_cancel_ack cancel_ack;
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| 243 | [case(DCERPC_PKT_BIND)] dcerpc_bind bind;
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| 244 | [case(DCERPC_PKT_BIND_ACK)] dcerpc_bind_ack bind_ack;
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| 245 | [case(DCERPC_PKT_BIND_NAK)] dcerpc_bind_nak bind_nak;
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| 246 | [case(DCERPC_PKT_ALTER)] dcerpc_bind alter;
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| 247 | [case(DCERPC_PKT_ALTER_RESP)] dcerpc_bind_ack alter_resp;
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| 248 | [case(DCERPC_PKT_SHUTDOWN)] dcerpc_shutdown shutdown;
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| 249 | [case(DCERPC_PKT_CO_CANCEL)] dcerpc_co_cancel co_cancel;
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| 250 | [case(DCERPC_PKT_ORPHANED)] dcerpc_orphaned orphaned;
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| 251 | [case(DCERPC_PKT_AUTH3)] dcerpc_auth3 auth3;
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| 252 | } dcerpc_payload;
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| 253 |
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| 254 | /* pfc_flags values */
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| 255 | const uint8 DCERPC_PFC_FLAG_FIRST = 0x01; /* First fragment */
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| 256 | const uint8 DCERPC_PFC_FLAG_LAST = 0x02; /* Last fragment */
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| 257 | const uint8 DCERPC_PFC_FLAG_PENDING_CANCEL = 0x04; /* Cancel was pending at sender */
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| 258 | const uint8 DCERPC_PFC_FLAG_SUPPORT_HEADER_SIGN = DCERPC_PFC_FLAG_PENDING_CANCEL; /* depends on the pdu type */
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| 259 | const uint8 DCERPC_PFC_FLAG_CONC_MPX = 0x10; /* supports concurrent multiplexing of a single connection. */
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| 260 | const uint8 DCERPC_PFC_FLAG_DID_NOT_EXECUTE = 0x20; /* on a fault it means the server hasn't done anything */
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| 261 | const uint8 DCERPC_PFC_FLAG_MAYBE = 0x40; /* `maybe' call semantics requested */
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| 262 | const uint8 DCERPC_PFC_FLAG_OBJECT_UUID = 0x80; /* on valid guid is in the optional object field */
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| 263 |
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| 264 | /* these offsets are needed by the signing code */
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| 265 | const uint8 DCERPC_PFC_OFFSET = 3;
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| 266 | const uint8 DCERPC_DREP_OFFSET = 4;
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| 267 | const uint8 DCERPC_FRAG_LEN_OFFSET = 8;
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| 268 | const uint8 DCERPC_AUTH_LEN_OFFSET = 10;
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| 269 |
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| 270 | /* little-endian flag */
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| 271 | const uint8 DCERPC_DREP_LE = 0x10;
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| 272 |
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| 273 | typedef [public] struct {
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| 274 | uint8 rpc_vers; /* RPC version */
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| 275 | uint8 rpc_vers_minor; /* Minor version */
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| 276 | dcerpc_pkt_type ptype; /* Packet type */
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| 277 | uint8 pfc_flags; /* Fragmentation flags */
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| 278 | uint8 drep[4]; /* NDR data representation */
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| 279 | uint16 frag_length; /* Total length of fragment */
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| 280 | uint16 auth_length; /* authenticator length */
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| 281 | uint32 call_id; /* Call identifier */
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| 282 | [switch_is(ptype)] dcerpc_payload u;
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| 283 | } ncacn_packet;
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| 284 |
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| 285 | typedef [public] struct {
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| 286 | uint8 rpc_vers; /* RPC version (4) */
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| 287 | uint8 ptype;
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| 288 | uint8 pfc_flags;
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| 289 | uint8 ncadg_flags;
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| 290 | uint8 drep[3];
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| 291 | uint8 serial_high;
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| 292 | GUID object;
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| 293 | GUID iface;
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| 294 | GUID activity;
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| 295 | uint32 server_boot; /* Server boot time */
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| 296 | uint32 iface_version;
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| 297 | uint32 seq_num;
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| 298 | uint16 opnum;
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| 299 | uint16 ihint;
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| 300 | uint16 ahint;
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| 301 | uint16 len;
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| 302 | uint16 fragnum;
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| 303 | uint8 auth_proto;
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| 304 | uint8 serial_low;
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| 305 | [switch_is(ptype)] dcerpc_payload u;
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| 306 | } ncadg_packet;
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| 307 | }
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