#include "idl_types.h" /* the base dcerpc packet definitions - not traditionally coded as IDL, but given that pidl can handle it nicely it simplifies things a lot to do it this way See [C706 - DCE 1.1: Remote Procedure Call] for the OpenGroup DCERPC specification: http://pubs.opengroup.org/onlinepubs/9629399/toc.htm See C706 - Chapter 12: RPC PDU Encodings for packet layouts: http://www.opengroup.org/onlinepubs/9629399/chap12.htm See also [MS-RPCE] for the Microsoft "Remote Procedure Call Protocol Extensions". http://msdn.microsoft.com/en-us/library/cc243560.aspx */ import "misc.idl"; cpp_quote("extern const uint8_t DCERPC_SEC_VT_MAGIC[8];") [ helper("../librpc/ndr/ndr_dcerpc.h") ] interface dcerpc { typedef struct { uint16 context_id; uint8 num_transfer_syntaxes; ndr_syntax_id abstract_syntax; ndr_syntax_id transfer_syntaxes[num_transfer_syntaxes]; } dcerpc_ctx_list; typedef [public] struct { uint16 max_xmit_frag; uint16 max_recv_frag; uint32 assoc_group_id; uint8 num_contexts; dcerpc_ctx_list ctx_list[num_contexts]; [flag(NDR_REMAINING)] DATA_BLOB auth_info; } dcerpc_bind; const uint8 DCERPC_REQUEST_LENGTH = 24; typedef struct { } dcerpc_empty; typedef [nodiscriminant] union { [default] GUID object; [case(false)] dcerpc_empty empty; } dcerpc_object; typedef struct { uint32 alloc_hint; uint16 context_id; uint16 opnum; /* * NDR_DCERPC_REQUEST_OBJECT_PRESENT * is defined differently for ndr_dcerpc.c and py_dcerpc.c */ [switch_is(NDR_DCERPC_REQUEST_OBJECT_PRESENT)] dcerpc_object object; [flag(NDR_REMAINING)] DATA_BLOB stub_and_verifier; } dcerpc_request; typedef [enum16bit] enum { DCERPC_BIND_ACK_RESULT_ACCEPTANCE = 0, DCERPC_BIND_ACK_RESULT_USER_REJECTION = 1, DCERPC_BIND_ACK_RESULT_PROVIDER_REJECTION = 2, DCERPC_BIND_ACK_RESULT_NEGOTIATE_ACK = 3 } dcerpc_bind_ack_result; const int DCERPC_BIND_PROVIDER_REJECT = DCERPC_BIND_ACK_RESULT_PROVIDER_REJECTION; typedef [enum16bit] enum { DCERPC_BIND_ACK_REASON_NOT_SPECIFIED = 0, DCERPC_BIND_ACK_REASON_ABSTRACT_SYNTAX_NOT_SUPPORTED = 1, DCERPC_BIND_ACK_REASON_TRANSFER_SYNTAXES_NOT_SUPPORTED = 2, DCERPC_BIND_ACK_REASON_LOCAL_LIMIT_EXCEEDED = 3 } dcerpc_bind_ack_reason_values; const int DCERPC_BIND_REASON_ASYNTAX = DCERPC_BIND_ACK_REASON_ABSTRACT_SYNTAX_NOT_SUPPORTED; typedef [bitmap16bit] bitmap { DCERPC_BIND_TIME_SECURITY_CONTEXT_MULTIPLEXING = 0x0001, DCERPC_BIND_TIME_KEEP_CONNECTION_ON_ORPHAN = 0x0002 } dcerpc_bind_time_features; typedef [nodiscriminant] union { [case(DCERPC_BIND_ACK_RESULT_NEGOTIATE_ACK)] dcerpc_bind_time_features negotiate; [default] dcerpc_bind_ack_reason_values value; } dcerpc_bind_ack_reason; typedef struct { dcerpc_bind_ack_result result; [switch_is(result)] dcerpc_bind_ack_reason reason; ndr_syntax_id syntax; } dcerpc_ack_ctx; typedef struct { uint16 max_xmit_frag; uint16 max_recv_frag; uint32 assoc_group_id; [value(strlen_m_term_null(secondary_address))] uint16 secondary_address_size; [charset(DOS)] uint8 secondary_address[secondary_address_size]; [flag(NDR_ALIGN4)] DATA_BLOB _pad1; uint8 num_results; dcerpc_ack_ctx ctx_list[num_results]; [flag(NDR_REMAINING)] DATA_BLOB auth_info; } dcerpc_bind_ack; typedef [public,enum16bit] enum { DCERPC_BIND_NAK_REASON_NOT_SPECIFIED = 0, DCERPC_BIND_NAK_REASON_TEMPORARY_CONGESTION = 1, DCERPC_BIND_NAK_REASON_LOCAL_LIMIT_EXCEEDED = 2, DCERPC_BIND_NAK_REASON_PROTOCOL_VERSION_NOT_SUPPORTED = 4, DCERPC_BIND_NAK_REASON_INVALID_AUTH_TYPE = 8, DCERPC_BIND_NAK_REASON_INVALID_CHECKSUM = 9 } dcerpc_bind_nak_reason; const int DECRPC_BIND_PROTOCOL_VERSION_NOT_SUPPORTED = DCERPC_BIND_NAK_REASON_PROTOCOL_VERSION_NOT_SUPPORTED; const int DCERPC_BIND_REASON_INVALID_AUTH_TYPE = DCERPC_BIND_NAK_REASON_INVALID_AUTH_TYPE; typedef [public] struct { uint8 rpc_vers; /* RPC version */ uint8 rpc_vers_minor; /* Minor version */ } dcerpc_bind_nak_version; typedef [public,nopull] struct { dcerpc_bind_nak_reason reject_reason; uint8 num_versions; dcerpc_bind_nak_version versions[num_versions]; [flag(NDR_REMAINING)] DATA_BLOB _pad; } dcerpc_bind_nak; const uint8 DCERPC_RESPONSE_LENGTH = 24; typedef struct { uint32 alloc_hint; uint16 context_id; uint8 cancel_count; [value(0)] uint8 reserved; [flag(NDR_REMAINING)] DATA_BLOB stub_and_verifier; } dcerpc_response; typedef [v1_enum] enum { DCERPC_NCA_S_COMM_FAILURE = 0x1C010001, DCERPC_NCA_S_OP_RNG_ERROR = 0x1C010002, DCERPC_NCA_S_UNKNOWN_IF = 0x1C010003, DCERPC_NCA_S_WRONG_BOOT_TIME = 0x1C010006, DCERPC_NCA_S_YOU_CRASHED = 0x1C010009, DCERPC_NCA_S_PROTO_ERROR = 0x1C01000B, DCERPC_NCA_S_OUT_ARGS_TOO_BIG = 0x1C010013, DCERPC_NCA_S_SERVER_TOO_BUSY = 0x1C010014, DCERPC_NCA_S_FAULT_STRING_TOO_LARGE = 0x1C010015, DCERPC_NCA_S_UNSUPPORTED_TYPE = 0x1C010017, DCERPC_NCA_S_FAULT_INT_DIV_BY_ZERO = 0x1C000001, DCERPC_NCA_S_FAULT_ADDR_ERROR = 0x1C000002, DCERPC_NCA_S_FAULT_FP_DIV_BY_ZERO = 0x1C000003, DCERPC_NCA_S_FAULT_FP_UNDERFLOW = 0x1C000004, DCERPC_NCA_S_FAULT_FP_OVERRFLOW = 0x1C000005, DCERPC_NCA_S_FAULT_INVALID_TAG = 0x1C000006, DCERPC_NCA_S_FAULT_INVALID_BOUND = 0x1C000007, DCERPC_NCA_S_FAULT_RPC_VERSION_MISMATCH = 0x1C000008, DCERPC_NCA_S_FAULT_UNSPEC_REJECT = 0x1C000009, DCERPC_NCA_S_FAULT_BAD_ACTID = 0x1C00000A, DCERPC_NCA_S_FAULT_WHO_ARE_YOU_FAILED = 0x1C00000B, DCERPC_NCA_S_FAULT_MANAGER_NOT_ENTERED = 0x1C00000C, DCERPC_NCA_S_FAULT_CANCEL = 0x1C00000D, DCERPC_NCA_S_FAULT_ILL_INST = 0x1C00000E, DCERPC_NCA_S_FAULT_FP_ERROR = 0x1C00000F, DCERPC_NCA_S_FAULT_INT_OVERFLOW = 0x1C000010, DCERPC_NCA_S_UNUSED_1C000011 = 0x1C000011, DCERPC_NCA_S_FAULT_UNSPEC = 0x1C000012, DCERPC_NCA_S_FAULT_REMOTE_COMM_FAILURE = 0x1C000013, DCERPC_NCA_S_FAULT_PIPE_EMPTY = 0x1C000014, DCERPC_NCA_S_FAULT_PIPE_CLOSED = 0x1C000015, DCERPC_NCA_S_FAULT_PIPE_ORDER = 0x1C000016, DCERPC_NCA_S_FAULT_PIPE_DISCIPLINE = 0x1C000017, DCERPC_NCA_S_FAULT_PIPE_COMM_ERROR = 0x1C000018, DCERPC_NCA_S_FAULT_PIPE_MEMORY = 0x1C000019, DCERPC_NCA_S_FAULT_CONTEXT_MISMATCH = 0x1C00001A, DCERPC_NCA_S_FAULT_REMOTE_NO_MEMORY = 0x1C00001B, DCERPC_NCA_S_INVALID_PRES_CONTEXT_ID = 0x1C00001C, DCERPC_NCA_S_UNSUPPORTED_AUTHN_LEVEL = 0x1C00001D, DCERPC_NCA_S_UNUSED_1C00001E = 0x1C00001E, DCERPC_NCA_S_INVALID_CHECKSUM = 0x1C00001F, DCERPC_NCA_S_INVALID_CRC = 0x1C000020, DCERPC_NCA_S_FAULT_USER_DEFINED = 0x1C000021, DCERPC_NCA_S_FAULT_TX_OPEN_FAILED = 0x1C000022, DCERPC_NCA_S_FAULT_CODESET_CONV_ERROR = 0x1C000023, DCERPC_NCA_S_FAULT_OBJECT_NOT_FOUND = 0x1C000024, DCERPC_NCA_S_FAULT_NO_CLIENT_STUB = 0x1C000025, DCERPC_FAULT_ACCESS_DENIED = 0x00000005, DCERPC_FAULT_SERVER_UNAVAILABLE = 0x000006ba, DCERPC_FAULT_NO_CALL_ACTIVE = 0x000006bd, DCERPC_FAULT_CANT_PERFORM = 0x000006d8, DCERPC_FAULT_OUT_OF_RESOURCES = 0x000006d9, DCERPC_FAULT_BAD_STUB_DATA = 0x000006f7, DCERPC_FAULT_SEC_PKG_ERROR = 0x00000721 } dcerpc_nca_status; const int DCERPC_FAULT_OP_RNG_ERROR = DCERPC_NCA_S_OP_RNG_ERROR; const int DCERPC_FAULT_NDR = DCERPC_FAULT_BAD_STUB_DATA; const int DCERPC_FAULT_INVALID_TAG = DCERPC_NCA_S_FAULT_INVALID_TAG; const int DCERPC_FAULT_CONTEXT_MISMATCH = DCERPC_NCA_S_FAULT_CONTEXT_MISMATCH; const int DCERPC_FAULT_OTHER = 0x00000001; /* we return this fault when we haven't yet run the test to see what fault w2k3 returns in this case */ const int DCERPC_FAULT_TODO = 0x00000042; typedef [bitmap8bit] bitmap { DCERPC_FAULT_FLAG_EXTENDED_ERROR_INFORMATION = 0x01 } dcerpc_fault_flags; typedef struct { uint32 alloc_hint; uint16 context_id; uint8 cancel_count; dcerpc_fault_flags flags; dcerpc_nca_status status; [value(0)] uint32 reserved; [flag(NDR_REMAINING)] DATA_BLOB error_and_verifier; } dcerpc_fault; const uint8 DCERPC_FAULT_LENGTH = 32; /* the auth types we know about */ typedef [enum8bit] enum { DCERPC_AUTH_TYPE_NONE = 0, /* this seems to be not krb5! */ DCERPC_AUTH_TYPE_KRB5_1 = 1, DCERPC_AUTH_TYPE_SPNEGO = 9, DCERPC_AUTH_TYPE_NTLMSSP = 10, DCERPC_AUTH_TYPE_KRB5 = 16, DCERPC_AUTH_TYPE_DPA = 17, DCERPC_AUTH_TYPE_MSN = 18, DCERPC_AUTH_TYPE_DIGEST = 21, DCERPC_AUTH_TYPE_SCHANNEL = 68, DCERPC_AUTH_TYPE_MSMQ = 100, DCERPC_AUTH_TYPE_NCALRPC_AS_SYSTEM = 200 } dcerpc_AuthType; const char *AS_SYSTEM_MAGIC_PATH_TOKEN = "/root/ncalrpc_as_system"; typedef [enum8bit] enum { DCERPC_AUTH_LEVEL_NONE = 1, DCERPC_AUTH_LEVEL_CONNECT = 2, DCERPC_AUTH_LEVEL_CALL = 3, DCERPC_AUTH_LEVEL_PACKET = 4, DCERPC_AUTH_LEVEL_INTEGRITY = 5, DCERPC_AUTH_LEVEL_PRIVACY = 6 } dcerpc_AuthLevel; typedef [public] struct { dcerpc_AuthType auth_type; dcerpc_AuthLevel auth_level; uint8 auth_pad_length; uint8 auth_reserved; uint32 auth_context_id; [flag(NDR_REMAINING)] DATA_BLOB credentials; } dcerpc_auth; const uint8 DCERPC_AUTH_TRAILER_LENGTH = 8; const uint8 DCERPC_AUTH_PAD_ALIGNMENT = 16; typedef [public] struct { [value(0)] uint32 _pad; [flag(NDR_REMAINING)] DATA_BLOB auth_info; } dcerpc_auth3; typedef [public] struct { [flag(NDR_REMAINING)] DATA_BLOB auth_info; } dcerpc_orphaned; typedef [public] struct { [flag(NDR_REMAINING)] DATA_BLOB auth_info; } dcerpc_co_cancel; typedef [public] struct { uint32 version; uint32 id; } dcerpc_cl_cancel; typedef [public] struct { uint32 version; uint32 id; boolean32 server_is_accepting; } dcerpc_cancel_ack; typedef [public] struct { uint32 version; uint8 _pad1; uint16 window_size; uint32 max_tdsu; uint32 max_frag_size; uint16 serial_no; uint16 selack_size; uint32 selack[selack_size]; } dcerpc_fack; typedef [public] struct { } dcerpc_ack; typedef [public] struct { } dcerpc_ping; typedef [public] struct { } dcerpc_shutdown; typedef [public] struct { } dcerpc_working; /* RTS data structures */ typedef [public] struct { GUID Cookie; } RTSCookie; typedef [v1_enum,public] enum { RTS_IPV4 = 0, RTS_IPV6 = 1 } AddressType; typedef [nodiscriminant] union { [case(RTS_IPV4)] ipv4address ClientAddressIPV4; [case(RTS_IPV6)] ipv6address ClientAddressIPV6; } ClientAddressType; typedef [public] struct { AddressType AddressType; [switch_is(AddressType)] ClientAddressType ClientAddress; uint8 Padding[12]; } ClientAddress; typedef [v1_enum, public] enum { FDClient = 0, FDInProxy = 1, FDServer = 2, FDOutProxy = 3 } ForwardDestination; typedef [public] struct { uint32 BytesReceived; uint32 AvailableWindow; RTSCookie ChannelCookie; } FlowControlAcknowledgment; /* RTS commands */ /* RTS command: 0x0 */ typedef [public] struct { [range(0x2000,0x40000)] uint32 ReceiveWindowSize; } dcerpc_rts_cmd_ReceiveWindowSize; /* RTS command: 0x1 */ typedef [public] struct { FlowControlAcknowledgment Ack; } dcerpc_rts_cmd_FlowControlAck; /* RTS command: 0x2 */ typedef [public] struct { [range(0x1D4C0,0xDBBA00)] uint32 ConnectionTimeout; } dcerpc_rts_cmd_ConnectionTimeout; /* RTS command: 0x3 */ typedef [public] struct { RTSCookie Cookie; } dcerpc_rts_cmd_Cookie; /* RTS command: 0x4 */ typedef [public] struct { [range(0x20000,0x80000000)] uint32 ChannelLifetime; } dcerpc_rts_cmd_ChannelLifetime; /* RTS command: 0x5 */ typedef [public] struct { uint32 ClientKeepalive; } dcerpc_rts_cmd_ClientKeepalive; /* RTS command: 0x6 */ typedef [public] struct { uint32 Version; } dcerpc_rts_cmd_Version; /* RTS command: 0x7 */ typedef [public] struct { } dcerpc_rts_cmd_Empty; /* RTS command: 0x8 */ typedef [public] struct { [range(0x0,0xFFFF)] uint32 ConformanceCount; uint8 Padding[ConformanceCount]; } dcerpc_rts_cmd_Padding; /* RTS command: 0x9 */ typedef [public] struct { } dcerpc_rts_cmd_NegativeANCE; /* RTS Command: 0xA */ typedef [public] struct { } dcerpc_rts_cmd_ANCE; /* RTS command: 0xB */ typedef [public] struct { ClientAddress ClientAddress; } dcerpc_rts_cmd_ClientAddress; /* RTS command: 0xC */ typedef [public] struct { RTSCookie AssociationGroupId; } dcerpc_rts_cmd_AssociationGroupId; /* RTS command: 0xD */ typedef [public] struct { ForwardDestination ForwardDestination; } dcerpc_rts_cmd_Destination; /* RTS command: 0xE */ typedef [public] struct { uint32 PingTrafficSent; } dcerpc_rts_cmd_PingTrafficSentNotify; typedef [nodiscriminant] union { [case(0x0)] dcerpc_rts_cmd_ReceiveWindowSize ReceiveWindowSize; [case(0x1)] dcerpc_rts_cmd_FlowControlAck FlowControlAck; [case(0x2)] dcerpc_rts_cmd_ConnectionTimeout ConnectionTimeout; [case(0x3)] dcerpc_rts_cmd_Cookie Cookie; [case(0x4)] dcerpc_rts_cmd_ChannelLifetime ChannelLifetime; [case(0x5)] dcerpc_rts_cmd_ClientKeepalive ClientKeepalive; [case(0x6)] dcerpc_rts_cmd_Version Version; [case(0x7)] dcerpc_rts_cmd_Empty Empty; [case(0x8)] dcerpc_rts_cmd_Padding Padding; [case(0x9)] dcerpc_rts_cmd_NegativeANCE NegativeANCE; [case(0xA)] dcerpc_rts_cmd_ANCE ANCE; [case(0xB)] dcerpc_rts_cmd_ClientAddress ClientAddress; [case(0xC)] dcerpc_rts_cmd_AssociationGroupId AssociationGroupId; [case(0xD)] dcerpc_rts_cmd_Destination Destination; [case(0xE)] dcerpc_rts_cmd_PingTrafficSentNotify PingTrafficSentNotify; } dcerpc_rts_cmds; typedef [public] struct { uint32 CommandType; [switch_is(CommandType)] dcerpc_rts_cmds Command; } dcerpc_rts_cmd; /* The RTS flags */ typedef [public, bitmap16bit] bitmap { RTS_FLAG_NONE = 0x0000, RTS_FLAG_PING = 0x0001, RTS_FLAG_OTHER_CMD = 0x0002, RTS_FLAG_RECYCLE_CHANNEL = 0x0004, RTS_FLAG_IN_CHANNEL = 0x0008, RTS_FLAG_OUT_CHANNEL = 0x0010, RTS_FLAG_EOF = 0x0020, RTS_FLAG_ECHO = 0x0040 } dcerpc_rts_flags; typedef [public] struct { dcerpc_rts_flags Flags; uint16 NumberOfCommands; dcerpc_rts_cmd Commands[NumberOfCommands]; } dcerpc_rts; typedef [public,enum8bit] enum { DCERPC_PKT_REQUEST = 0, /* Ordinary request. */ DCERPC_PKT_PING = 1, /* Connectionless is server alive ? */ DCERPC_PKT_RESPONSE = 2, /* Ordinary reply. */ DCERPC_PKT_FAULT = 3, /* Fault in processing of call. */ DCERPC_PKT_WORKING = 4, /* Connectionless reply to a ping when server busy. */ DCERPC_PKT_NOCALL = 5, /* Connectionless reply to a ping when server has lost part of clients call. */ DCERPC_PKT_REJECT = 6, /* Refuse a request with a code. */ DCERPC_PKT_ACK = 7, /* Connectionless client to server code. */ DCERPC_PKT_CL_CANCEL = 8, /* Connectionless cancel. */ DCERPC_PKT_FACK = 9, /* Connectionless fragment ack. Both client and server send. */ DCERPC_PKT_CANCEL_ACK = 10, /* Server ACK to client cancel request. */ DCERPC_PKT_BIND = 11, /* Bind to interface. */ DCERPC_PKT_BIND_ACK = 12, /* Server ack of bind. */ DCERPC_PKT_BIND_NAK = 13, /* Server nack of bind. */ DCERPC_PKT_ALTER = 14, /* Alter auth. */ DCERPC_PKT_ALTER_RESP = 15, /* Reply to alter auth. */ DCERPC_PKT_AUTH3 = 16, /* not the real name! this is undocumented! */ DCERPC_PKT_SHUTDOWN = 17, /* Server to client request to shutdown. */ DCERPC_PKT_CO_CANCEL = 18, /* Connection-oriented cancel request. */ DCERPC_PKT_ORPHANED = 19, /* Client telling server it's aborting a partially sent request or telling server to stop sending replies. */ DCERPC_PKT_RTS = 20 /* RTS packets used in ncacn_http */ } dcerpc_pkt_type; typedef [public,nodiscriminant] union { [case(DCERPC_PKT_REQUEST)] dcerpc_request request; [case(DCERPC_PKT_PING)] dcerpc_ping ping; [case(DCERPC_PKT_RESPONSE)] dcerpc_response response; [case(DCERPC_PKT_FAULT)] dcerpc_fault fault; [case(DCERPC_PKT_WORKING)] dcerpc_working working; [case(DCERPC_PKT_NOCALL)] dcerpc_fack nocall; [case(DCERPC_PKT_REJECT)] dcerpc_fault reject; [case(DCERPC_PKT_ACK)] dcerpc_ack ack; [case(DCERPC_PKT_CL_CANCEL)] dcerpc_cl_cancel cl_cancel; [case(DCERPC_PKT_FACK)] dcerpc_fack fack; [case(DCERPC_PKT_CANCEL_ACK)] dcerpc_cancel_ack cancel_ack; [case(DCERPC_PKT_BIND)] dcerpc_bind bind; [case(DCERPC_PKT_BIND_ACK)] dcerpc_bind_ack bind_ack; [case(DCERPC_PKT_BIND_NAK)] dcerpc_bind_nak bind_nak; [case(DCERPC_PKT_ALTER)] dcerpc_bind alter; [case(DCERPC_PKT_ALTER_RESP)] dcerpc_bind_ack alter_resp; [case(DCERPC_PKT_SHUTDOWN)] dcerpc_shutdown shutdown; [case(DCERPC_PKT_CO_CANCEL)] dcerpc_co_cancel co_cancel; [case(DCERPC_PKT_ORPHANED)] dcerpc_orphaned orphaned; [case(DCERPC_PKT_AUTH3)] dcerpc_auth3 auth3; [case(DCERPC_PKT_RTS)] dcerpc_rts rts; } dcerpc_payload; /* pfc_flags values */ typedef [public,bitmap8bit] bitmap { DCERPC_PFC_FLAG_FIRST = 0x01, /* First fragment */ DCERPC_PFC_FLAG_LAST = 0x02, /* Last fragment */ DCERPC_PFC_FLAG_PENDING_CANCEL_OR_HDR_SIGNING = 0x04, /* depends on the pdu type */ DCERPC_PFC_FLAG_CONC_MPX = 0x10, /* supports concurrent multiplexing of a single connection. */ DCERPC_PFC_FLAG_DID_NOT_EXECUTE = 0x20, /* on a fault it means the server hasn't done anything */ DCERPC_PFC_FLAG_MAYBE = 0x40, /* `maybe' call semantics requested */ DCERPC_PFC_FLAG_OBJECT_UUID = 0x80 /* on valid guid is in the optional object field */ } dcerpc_pfc_flags; /* Cancel was pending at sender */ const int DCERPC_PFC_FLAG_PENDING_CANCEL = DCERPC_PFC_FLAG_PENDING_CANCEL_OR_HDR_SIGNING; const int DCERPC_PFC_FLAG_SUPPORT_HEADER_SIGN = DCERPC_PFC_FLAG_PENDING_CANCEL_OR_HDR_SIGNING; /* these offsets are needed by the signing code */ const uint8 DCERPC_PFC_OFFSET = 3; const uint8 DCERPC_DREP_OFFSET = 4; const uint8 DCERPC_FRAG_LEN_OFFSET = 8; const uint32 DCERPC_FRAG_MAX_SIZE = 5840; const uint8 DCERPC_AUTH_LEN_OFFSET = 10; const uint8 DCERPC_NCACN_PAYLOAD_OFFSET = 16; /* * See [MS-RPCE] 3.3.3.5.4 Maximum Server Input Data Size * 4 MByte is the default limit of reassembled request payload */ const uint32 DCERPC_NCACN_REQUEST_DEFAULT_MAX_SIZE = 0x400000; /* * See [MS-RPCE] 3.3.2.5.2 Handling Responses * * Indicates that Windows accepts up to 0x7FFFFFFF ~2 GByte * * talloc has a limit of 256 MByte, so we need to use something smaller. * * For now we try our luck with 240 MByte. */ const uint32 DCERPC_NCACN_RESPONSE_DEFAULT_MAX_SIZE = 0xf000000; /* 240 MByte */ /* little-endian flag */ const uint8 DCERPC_DREP_LE = 0x10; typedef [public,nopush,nopull,noprint] struct { uint8 rpc_vers; /* RPC version */ uint8 rpc_vers_minor; /* Minor version */ dcerpc_pkt_type ptype; /* Packet type */ dcerpc_pfc_flags pfc_flags; /* Fragmentation flags */ uint8 drep[4]; /* NDR data representation */ uint16 frag_length; /* Total length of fragment */ uint16 auth_length; /* authenticator length */ uint32 call_id; /* Call identifier */ [switch_is(ptype)] dcerpc_payload u; } ncacn_packet; typedef [public] struct { uint8 rpc_vers; /* RPC version (4) */ uint8 ptype; uint8 pfc_flags; uint8 ncadg_flags; uint8 drep[3]; uint8 serial_high; GUID object; GUID iface; GUID activity; uint32 server_boot; /* Server boot time */ uint32 iface_version; uint32 seq_num; uint16 opnum; uint16 ihint; uint16 ahint; uint16 len; uint16 fragnum; uint8 auth_proto; uint8 serial_low; [switch_is(ptype)] dcerpc_payload u; } ncadg_packet; typedef [bitmap16bit] bitmap { DCERPC_SEC_VT_COMMAND_ENUM = 0x3FFF, DCERPC_SEC_VT_COMMAND_END = 0x4000, DCERPC_SEC_VT_MUST_PROCESS = 0x8000 } dcerpc_sec_vt_command; typedef [enum16bit] enum { DCERPC_SEC_VT_COMMAND_BITMASK1 = 0x0001, DCERPC_SEC_VT_COMMAND_PCONTEXT = 0x0002, DCERPC_SEC_VT_COMMAND_HEADER2 = 0x0003 } dcerpc_sec_vt_command_enum; typedef [bitmap32bit] bitmap { DCERPC_SEC_VT_CLIENT_SUPPORTS_HEADER_SIGNING = 0x00000001 } dcerpc_sec_vt_bitmask1; typedef struct { ndr_syntax_id abstract_syntax; ndr_syntax_id transfer_syntax; } dcerpc_sec_vt_pcontext; typedef struct { dcerpc_pkt_type ptype; /* Packet type */ [value(0)] uint8 reserved1; [value(0)] uint16 reserved2; uint8 drep[4]; /* NDR data representation */ uint32 call_id; /* Call identifier */ uint16 context_id; uint16 opnum; } dcerpc_sec_vt_header2; typedef [switch_type(dcerpc_sec_vt_command_enum),nodiscriminant] union { [case(DCERPC_SEC_VT_COMMAND_BITMASK1)] dcerpc_sec_vt_bitmask1 bitmask1; [case(DCERPC_SEC_VT_COMMAND_PCONTEXT)] dcerpc_sec_vt_pcontext pcontext; [case(DCERPC_SEC_VT_COMMAND_HEADER2)] dcerpc_sec_vt_header2 header2; [default,flag(NDR_REMAINING)] DATA_BLOB _unknown; } dcerpc_sec_vt_union; typedef struct { dcerpc_sec_vt_command command; [switch_is(command & DCERPC_SEC_VT_COMMAND_ENUM)] [subcontext(2),flag(NDR_SUBCONTEXT_NO_UNREAD_BYTES)] dcerpc_sec_vt_union u; } dcerpc_sec_vt; typedef [public,nopush,nopull] struct { uint16 count; } dcerpc_sec_vt_count; /* * We assume that the whole verification trailer fits into * the last 1024 bytes after the stub data. * * There're currently only 3 commands defined and each should * only be used once. */ const uint16 DCERPC_SEC_VT_MAX_SIZE = 1024; typedef [public,flag(NDR_PAHEX)] struct { [flag(NDR_ALIGN4)] DATA_BLOB _pad; [value(DCERPC_SEC_VT_MAGIC)] uint8 magic[8]; dcerpc_sec_vt_count count; dcerpc_sec_vt commands[count.count]; } dcerpc_sec_verification_trailer; }