/*++ Copyright (c) 1989, 1990, 1991 Microsoft Corporation Module Name: framecon.c Abstract: This module contains routines which build NetBIOS Frames Protocol frames, both connection-oriented and connectionless. The following frames are constructed by routines in this module: o NBF_CMD_ADD_GROUP_NAME_QUERY o NBF_CMD_ADD_NAME_QUERY o NBF_CMD_NAME_IN_CONFLICT o NBF_CMD_STATUS_QUERY o NBF_CMD_TERMINATE_TRACE o NBF_CMD_DATAGRAM o NBF_CMD_DATAGRAM_BROADCAST o NBF_CMD_NAME_QUERY o NBF_CMD_ADD_NAME_RESPONSE o NBF_CMD_NAME_RECOGNIZED o NBF_CMD_STATUS_RESPONSE o NBF_CMD_TERMINATE_TRACE2 o NBF_CMD_DATA_ACK o NBF_CMD_DATA_FIRST_MIDDLE o NBF_CMD_DATA_ONLY_LAST o NBF_CMD_SESSION_CONFIRM o NBF_CMD_SESSION_END o NBF_CMD_SESSION_INITIALIZE o NBF_CMD_NO_RECEIVE o NBF_CMD_RECEIVE_OUTSTANDING o NBF_CMD_RECEIVE_CONTINUE o NBF_CMD_SESSION_ALIVE Author: David Beaver (dbeaver) 1-July-1991 Environment: Kernel mode Revision History: --*/ #include "precomp.h" #pragma hdrstop VOID ConstructAddGroupNameQuery( IN PNBF_HDR_CONNECTIONLESS RawFrame,// frame buffer to format. IN USHORT Correlator, // correlator for ADD_NAME_RESPONSE. IN PNAME GroupName // NetBIOS group name to be added. ) /*++ Routine Description: This routine constructs an NBF_CMD_ADD_GROUP_NAME_QUERY connectionless NetBIOS Frame. Arguments: RawFrame - Pointer to an unformatted 44-byte connectionless frame buffer. Correlator - Correlator for ADD_NAME_RESPONSE frame. GroupName - Pointer to NetBIOS group name to be added. Return Value: none. --*/ { USHORT i; IF_NBFDBG (NBF_DEBUG_FRAMECON) { NbfPrint0 ("ConstructAddGroupNameQuery: Entered.\n"); } RawFrame->Command = NBF_CMD_ADD_GROUP_NAME_QUERY; HEADER_LENGTH(RawFrame) = sizeof(NBF_HDR_CONNECTIONLESS); HEADER_SIGNATURE(RawFrame) = NETBIOS_SIGNATURE; RawFrame->Data1 = 0; // reserved field, MBZ. RawFrame->Data2Low = 0; RawFrame->Data2High = 0; TRANSMIT_CORR(RawFrame) = Correlator; RESPONSE_CORR(RawFrame) = (USHORT)0; for (i=0; iDestinationName [i] = 0; RawFrame->SourceName [i] = GroupName [i]; } } /* ConstructAddGroupNameQuery */ VOID ConstructAddNameQuery( IN PNBF_HDR_CONNECTIONLESS RawFrame,// frame buffer to format. IN USHORT Correlator, // correlator for ADD_NAME_RESPONSE. IN PNAME Name // NetBIOS name to be added. ) /*++ Routine Description: This routine constructs an NBF_CMD_ADD_NAME_QUERY connectionless NetBIOS Frame. Arguments: RawFrame - Pointer to an unformatted 44-byte connectionless frame buffer. Correlator - Correlator for ADD_NAME_RESPONSE frame. Name - Pointer to NetBIOS name to be added. Return Value: none. --*/ { USHORT i; IF_NBFDBG (NBF_DEBUG_FRAMECON) { NbfPrint0 ("ConstructAddNameQuery: Entered.\n"); } RawFrame->Command = NBF_CMD_ADD_NAME_QUERY; HEADER_LENGTH(RawFrame) = sizeof(NBF_HDR_CONNECTIONLESS); HEADER_SIGNATURE(RawFrame) = NETBIOS_SIGNATURE; RawFrame->Data1 = 0; // reserved field, MBZ. RawFrame->Data2Low = 0; RawFrame->Data2High = 0; TRANSMIT_CORR(RawFrame) = Correlator; RESPONSE_CORR(RawFrame) = (USHORT)0; for (i=0; iDestinationName [i] = 0; RawFrame->SourceName [i] = Name [i]; } } /* ConstructAddNameQuery */ VOID ConstructNameInConflict( IN PNBF_HDR_CONNECTIONLESS RawFrame,// frame buffer to format. IN PNAME ConflictingName, // NetBIOS name that is conflicting. IN PNAME SendingPermanentName // NetBIOS permanent node name of sender. ) /*++ Routine Description: This routine constructs an NBF_CMD_NAME_IN_CONFLICT connectionless NetBIOS Frame. Arguments: RawFrame - Pointer to an unformatted 44-byte connectionless frame buffer. Conflictingname - Pointer to NetBIOS name that is conflicting. SendingPermanentName - Pointer to NetBIOS permanent node name of sender. Return Value: none. --*/ { USHORT i; IF_NBFDBG (NBF_DEBUG_FRAMECON) { NbfPrint0 ("ConstructNameInConflict: Entered.\n"); } RawFrame->Command = NBF_CMD_NAME_IN_CONFLICT; HEADER_LENGTH(RawFrame) = sizeof(NBF_HDR_CONNECTIONLESS); HEADER_SIGNATURE(RawFrame) = NETBIOS_SIGNATURE; RawFrame->Data1 = 0; // reserved field, MBZ. RawFrame->Data2Low = 0; RawFrame->Data2High = 0; TRANSMIT_CORR(RawFrame) = (USHORT)0; RESPONSE_CORR(RawFrame) = (USHORT)0; for (i=0; iDestinationName [i] = ConflictingName[i]; RawFrame->SourceName [i] = SendingPermanentName[i]; } } /* ConstructNameInConflict */ VOID ConstructStatusQuery( IN PNBF_HDR_CONNECTIONLESS RawFrame,// frame buffer to format. IN UCHAR RequestType, // type of request. IN USHORT BufferLength, // length of user's status buffer. IN USHORT Correlator, // correlator for STATUS_RESPONSE. IN PNAME ReceiverName, // NetBIOS name of receiver. IN PNAME SendingPermanentName // NetBIOS permanent node name of sender. ) /*++ Routine Description: This routine constructs an NBF_CMD_STATUS_QUERY connectionless NetBIOS Frame. Arguments: RawFrame - Pointer to an unformatted 44-byte connectionless frame buffer. RequestType - Type of request. One of: 0 - request is 1.x or 2.0. 1 - first request, 2.1 or above. >1 - subsequent request, 2.1 or above. BufferLength - Length of user's status buffer. Correlator - Correlator for STATUS_RESPONSE frame. ReceiverName - Pointer to NetBIOS name of receiver. SendingPermanentName - Pointer to NetBIOS permanent node name of sender. Return Value: none. --*/ { SHORT i; IF_NBFDBG (NBF_DEBUG_FRAMECON) { NbfPrint1 ("ConstructStatusQuery: Entered, frame: %lx\n", RawFrame); } RawFrame->Command = NBF_CMD_STATUS_QUERY; HEADER_LENGTH(RawFrame) = sizeof(NBF_HDR_CONNECTIONLESS); HEADER_SIGNATURE(RawFrame) = NETBIOS_SIGNATURE; RawFrame->Data1 = RequestType; RawFrame->Data2Low = (UCHAR)(BufferLength & 0xff); RawFrame->Data2High = (UCHAR)(BufferLength >> 8); TRANSMIT_CORR(RawFrame) = (USHORT)0; RESPONSE_CORR(RawFrame) = Correlator; for (i=0; iDestinationName [i] = ReceiverName [i]; RawFrame->SourceName [i] = SendingPermanentName [i]; } } /* ConstructStatusQuery */ VOID ConstructDatagram( IN PNBF_HDR_CONNECTIONLESS RawFrame,// frame buffer to format. IN PNAME ReceiverName, // NetBIOS name of receiver. IN PNAME SenderName // NetBIOS name of sender. ) /*++ Routine Description: This routine constructs an NBF_CMD_DATAGRAM connectionless NetBIOS Frame. Arguments: RawFrame - Pointer to an unformatted 44-byte connectionless frame buffer. ReceiverName - Pointer to a NetBIOS name of the receiver. SenderName - Pointer to a NetBIOS name of the sender. Return Value: none. --*/ { USHORT i; IF_NBFDBG (NBF_DEBUG_FRAMECON) { NbfPrint0 ("ConstructDatagram: Entered.\n"); } RawFrame->Command = NBF_CMD_DATAGRAM; HEADER_LENGTH(RawFrame) = sizeof(NBF_HDR_CONNECTIONLESS); HEADER_SIGNATURE(RawFrame) = NETBIOS_SIGNATURE; RawFrame->Data1 = 0; // reserved field, MBZ. RawFrame->Data2Low = 0; RawFrame->Data2High = 0; TRANSMIT_CORR(RawFrame) = (USHORT)0; RESPONSE_CORR(RawFrame) = (USHORT)0; for (i=0; iDestinationName [i] = ReceiverName [i]; RawFrame->SourceName [i] = SenderName [i]; } } /* ConstructDatagram */ VOID ConstructDatagramBroadcast( IN PNBF_HDR_CONNECTIONLESS RawFrame,// frame buffer to format. IN PNAME SenderName // NetBIOS name of sender. ) /*++ Routine Description: This routine constructs an NBF_CMD_DATAGRAM_BROADCAST connectionless NetBIOS Frame. Arguments: RawFrame - Pointer to an unformatted 44-byte connectionless frame buffer. SenderName - Pointer to a NetBIOS name of the sender. Return Value: none. --*/ { USHORT i; IF_NBFDBG (NBF_DEBUG_FRAMECON) { NbfPrint0 ("ConstructDatagramBroadcast: Entered.\n"); } RawFrame->Command = NBF_CMD_DATAGRAM_BROADCAST; HEADER_LENGTH(RawFrame) = sizeof(NBF_HDR_CONNECTIONLESS); HEADER_SIGNATURE(RawFrame) = NETBIOS_SIGNATURE; RawFrame->Data1 = 0; // reserved field, MBZ. RawFrame->Data2Low = 0; RawFrame->Data2High = 0; TRANSMIT_CORR(RawFrame) = (USHORT)0; RESPONSE_CORR(RawFrame) = (USHORT)0; for (i=0; iDestinationName [i] = 0; RawFrame->SourceName [i] = SenderName [i]; } } /* ConstructDatagramBroadcast */ VOID ConstructNameQuery( IN PNBF_HDR_CONNECTIONLESS RawFrame,// frame buffer to format. IN UCHAR NameType, // type of name. IN UCHAR LocalSessionNumber, // LSN assigned to session (0=FIND_NAME). IN USHORT Correlator, // correlator in NAME_RECOGNIZED. IN PNAME SenderName, // NetBIOS name of sender. IN PNAME ReceiverName // NetBIOS name of receiver. ) /*++ Routine Description: This routine constructs an NBF_CMD_NAME_QUERY connectionless NetBIOS Frame. Arguments: RawFrame - Pointer to an unformatted 44-byte connectionless frame buffer. NameType - Type of name, one of the following: NAME_QUERY_LSN_FIND_NAME LocalSessionNumber - LSN assigned to session (0=FIND.NAME). Correlator - Correlator in NAME_RECOGNIZED. SenderName - Pointer to a NetBIOS name of the sender. ReceiverName - Pointer to a NetBIOS name of the receiver. Return Value: none. --*/ { SHORT i; IF_NBFDBG (NBF_DEBUG_FRAMECON) { NbfPrint1 ("ConstructNameQuery: Entered, frame: %lx\n", RawFrame); } RawFrame->Command = NBF_CMD_NAME_QUERY; HEADER_LENGTH(RawFrame) = sizeof(NBF_HDR_CONNECTIONLESS); HEADER_SIGNATURE(RawFrame) = NETBIOS_SIGNATURE; RawFrame->Data1 = 0; // reserved field, MBZ. RawFrame->Data2Low = LocalSessionNumber; RawFrame->Data2High = NameType; TRANSMIT_CORR(RawFrame) = (USHORT)0; RESPONSE_CORR(RawFrame) = Correlator; for (i=0; iDestinationName [i] = ReceiverName [i]; RawFrame->SourceName [i] = SenderName [i]; } } /* ConstructNameQuery */ VOID ConstructAddNameResponse( IN PNBF_HDR_CONNECTIONLESS RawFrame,// frame buffer to format. IN UCHAR NameType, // type of name. IN USHORT Correlator, // correlator from ADD_[GROUP_]NAME_QUERY. IN PNAME Name // NetBIOS name being responded to. ) /*++ Routine Description: This routine constructs an NBF_CMD_ADD_NAME_RESPONSE connectionless NetBIOS Frame. Arguments: RawFrame - Pointer to an unformatted 44-byte connectionless frame buffer. NameType - Type of name, either group or unique. Correlator - Correlator from ADD_[GROUP]NAME_QUERY. Name - Pointer to NetBIOS name being responded to. Return Value: none. --*/ { USHORT i; IF_NBFDBG (NBF_DEBUG_FRAMECON) { NbfPrint0 ("ConstructAddNameResponse: Entered.\n"); } RawFrame->Command = NBF_CMD_ADD_NAME_RESPONSE; HEADER_LENGTH(RawFrame) = sizeof(NBF_HDR_CONNECTIONLESS); HEADER_SIGNATURE(RawFrame) = NETBIOS_SIGNATURE; RawFrame->Data1 = 0; // reserved field, MBZ. RawFrame->Data2Low = NameType; RawFrame->Data2High = 0; TRANSMIT_CORR(RawFrame) = Correlator; RESPONSE_CORR(RawFrame) = (USHORT)0; for (i=0; iDestinationName [i] = Name [i]; RawFrame->SourceName [i] = Name [i]; } } /* ConstructAddNameResponse */ VOID ConstructNameRecognized( IN PNBF_HDR_CONNECTIONLESS RawFrame,// frame buffer to format. IN UCHAR NameType, // type of name. IN UCHAR LocalSessionNumber, // LSN assigned to session. IN USHORT NameQueryCorrelator, // correlator from NAME_QUERY. IN USHORT Correlator, // correlator expected from next response. IN PNAME SenderName, // NetBIOS name of sender. IN PNAME ReceiverName // NetBIOS name of receiver. ) /*++ Routine Description: This routine constructs an NBF_CMD_NAME_RECOGNIZED connectionless NetBIOS Frame. Arguments: RawFrame - Pointer to an unformatted 44-byte connectionless frame buffer. NameType - Type of name, either group or unique. LocalSessionNumber - LSN assigned to session. Special values are: NAME_RECOGNIZED_LSN_NO_LISTENS // no listens available. NAME_RECOGNIZED_LSN_FIND_NAME // this is a find name response. NAME_RECOGNIZED_LSN_NO_RESOURCE // listen available, but no resources. NameQueryCorrelator - Correlator from NAME_QUERY. Correlator - Correlator expected from next response. SenderName - Pointer to a NetBIOS name of the sender. ReceiverName - Pointer to a NetBIOS name of the receiver. Return Value: none. --*/ { USHORT i; IF_NBFDBG (NBF_DEBUG_FRAMECON) { NbfPrint0 ("ConstructNameRecognized: Entered.\n"); } RawFrame->Command = NBF_CMD_NAME_RECOGNIZED; HEADER_LENGTH(RawFrame) = sizeof(NBF_HDR_CONNECTIONLESS); HEADER_SIGNATURE(RawFrame) = NETBIOS_SIGNATURE; RawFrame->Data1 = 0; // reserved field, MBZ. RawFrame->Data2Low = LocalSessionNumber; RawFrame->Data2High = NameType; TRANSMIT_CORR(RawFrame) = NameQueryCorrelator; RESPONSE_CORR(RawFrame) = Correlator; for (i=0; iDestinationName [i] = ReceiverName [i]; RawFrame->SourceName [i] = SenderName [i]; } } /* ConstructNameRecognized */ VOID ConstructStatusResponse( IN PNBF_HDR_CONNECTIONLESS RawFrame,// frame buffer to format. IN UCHAR RequestType, // type of request, defined below. IN BOOLEAN Truncated, // data is truncated. IN BOOLEAN DataOverflow, // too much data for user's buffer. IN USHORT DataLength, // length of data sent. IN USHORT Correlator, // correlator from STATUS_QUERY. IN PNAME ReceivingPermanentName, // NetBIOS permanent node name of receiver. IN PNAME SenderName // NetBIOS name of sender. ) /*++ Routine Description: This routine constructs an NBF_CMD_STATUS_RESPONSE connectionless NetBIOS Frame. Arguments: RawFrame - Pointer to an unformatted 44-byte connectionless frame buffer. RequestType - type of request, one of the below: 0 - request is 1.x or 2.0. >0 - number of names, 2.1 or above. Truncated - TRUE if there are more names. DataOverflow - TRUE if the total data is larger than the user's buffer. DataLength - The length of the data in Buffer. Correlator - Correlator from STATUS_QUERY. ReceivingPermanentName - Pointer to the NetBIOS permanent node name of the receiver, as passed in the STATUS_QUERY frame. SenderName - Pointer to a NetBIOS name of the sender. Return Value: none. --*/ { SHORT i; IF_NBFDBG (NBF_DEBUG_FRAMECON) { NbfPrint0 ("ConstructStatusResponse: Entered.\n"); } RawFrame->Command = NBF_CMD_STATUS_RESPONSE; HEADER_LENGTH(RawFrame) = sizeof(NBF_HDR_CONNECTIONLESS); HEADER_SIGNATURE(RawFrame) = NETBIOS_SIGNATURE; RawFrame->Data1 = RequestType; RawFrame->Data2Low = (UCHAR)(DataLength & 0xff); RawFrame->Data2High = (UCHAR)((DataLength >> 8) + (Truncated << 7) + (DataOverflow << 6)); TRANSMIT_CORR(RawFrame) = Correlator; RESPONSE_CORR(RawFrame) = 0; for (i=0; iDestinationName [i] = ReceivingPermanentName [i]; RawFrame->SourceName [i] = SenderName [i]; } } /* ConstructStatusResponse */ VOID ConstructDataAck( IN PNBF_HDR_CONNECTION RawFrame, // frame buffer to format. IN USHORT Correlator, // correlator from DATA_ONLY_LAST. IN UCHAR LocalSessionNumber, // session number of SENDER. IN UCHAR RemoteSessionNumber // session number of RECEIVER. ) /*++ Routine Description: This routine constructs an NBF_CMD_DATA_ACK connection-oriented NetBIOS Frame. Arguments: RawFrame - Pointer to an unformatted 14-byte connection-oriented buffer. Correlator - Correlator from DATA_ONLY_LAST being acked. LocalSessionNumber - Session number of SENDER. RemoteSessionNumber - Session number of RECEIVER. Return Value: none. --*/ { IF_NBFDBG (NBF_DEBUG_FRAMECON) { NbfPrint0 ("ConstructDataAck: Entered.\n"); } RawFrame->Command = NBF_CMD_DATA_ACK; HEADER_LENGTH(RawFrame) = sizeof(NBF_HDR_CONNECTION); HEADER_SIGNATURE(RawFrame) = NETBIOS_SIGNATURE; RawFrame->Data1 = 0; RawFrame->Data2Low = 0; RawFrame->Data2High = 0; TRANSMIT_CORR(RawFrame) = Correlator; RESPONSE_CORR(RawFrame) = (USHORT)0; RawFrame->SourceSessionNumber = LocalSessionNumber; RawFrame->DestinationSessionNumber = RemoteSessionNumber; } /* ConstructDataAck */ VOID ConstructDataOnlyLast( IN PNBF_HDR_CONNECTION RawFrame, // frame buffer to format. IN BOOLEAN Resynched, // TRUE if we are resynching. IN USHORT Correlator, // correlator for RECEIVE_CONTINUE. IN UCHAR LocalSessionNumber, // session number of SENDER. IN UCHAR RemoteSessionNumber // session number of RECEIVER. ) /*++ Routine Description: This routine constructs an NBF_CMD_DATA_ONLY_LAST connection-oriented NetBIOS Frame. Arguments: RawFrame - Pointer to an unformatted 14-byte connection-oriented buffer. Resynched - TRUE if we are resynching and should set the correct bit in the frame. Correlator - Correlator for RECEIVE_CONTINUE, if any. LocalSessionNumber - Session number of SENDER. RemoteSessionNumber - Session number of RECEIVER. Return Value: none. --*/ { IF_NBFDBG (NBF_DEBUG_FRAMECON) { NbfPrint0 ("ConstructDataOnlyLast: Entered.\n"); } RawFrame->Command = NBF_CMD_DATA_ONLY_LAST; HEADER_LENGTH(RawFrame) = sizeof(NBF_HDR_CONNECTION); HEADER_SIGNATURE(RawFrame) = NETBIOS_SIGNATURE; RawFrame->Data1 = 0; ASSERT (TRUE == (UCHAR)1); RawFrame->Data2Low = Resynched; RawFrame->Data2High = (UCHAR)0; TRANSMIT_CORR(RawFrame) = (USHORT)0; RESPONSE_CORR(RawFrame) = Correlator; RawFrame->SourceSessionNumber = LocalSessionNumber; RawFrame->DestinationSessionNumber = RemoteSessionNumber; } /* ConstructDataOnlyLast */ VOID ConstructSessionConfirm( IN PNBF_HDR_CONNECTION RawFrame, // frame buffer to format. IN UCHAR Options, // bitflag options, defined below. IN USHORT MaximumUserBufferSize, // max size of user frame on session. IN USHORT Correlator, // correlator from SESSION_INITIALIZE. IN UCHAR LocalSessionNumber, // session number of SENDER. IN UCHAR RemoteSessionNumber // session number of RECEIVER. ) /*++ Routine Description: This routine constructs an NBF_CMD_SESSION_CONFIRM connection-oriented NetBIOS Frame. Arguments: RawFrame - Pointer to an unformatted 14-byte connection-oriented buffer. Options - Bitflag options, any of the following: SESSION_CONFIRM_OPTIONS_20 // set if NETBIOS 2.0 or above. SESSION_CONFIRM_NO_ACK // set if NO.ACK protocol supported. MaximumUserBufferSize - Maximum size of user data per frame on this session, in bytes. This is limited by the following constant: SESSION_CONFIRM_MAXIMUM_FRAME_SIZE // defined limit of this field. Correlator - Correlator from SESSION_INITIALIZE. LocalSessionNumber - Session number of SENDER. RemoteSessionNumber - Session number of RECEIVER. Return Value: none. --*/ { IF_NBFDBG (NBF_DEBUG_FRAMECON) { NbfPrint0 ("ConstructSessionConfirm: Entered.\n"); } RawFrame->Command = NBF_CMD_SESSION_CONFIRM; HEADER_LENGTH(RawFrame) = sizeof(NBF_HDR_CONNECTION); HEADER_SIGNATURE(RawFrame) = NETBIOS_SIGNATURE; RawFrame->Data1 = Options; RawFrame->Data2Low = (UCHAR)(MaximumUserBufferSize & 0xff); RawFrame->Data2High = (UCHAR)(MaximumUserBufferSize >> 8); TRANSMIT_CORR(RawFrame) = Correlator; RESPONSE_CORR(RawFrame) = (USHORT)0; RawFrame->SourceSessionNumber = LocalSessionNumber; RawFrame->DestinationSessionNumber = RemoteSessionNumber; } /* ConstructSessionConfirm */ VOID ConstructSessionEnd( IN PNBF_HDR_CONNECTION RawFrame, // frame buffer to format. IN USHORT Reason, // reason for termination, defined below. IN UCHAR LocalSessionNumber, // session number of SENDER. IN UCHAR RemoteSessionNumber // session number of RECEIVER. ) /*++ Routine Description: This routine constructs an NBF_CMD_SESSION_END connection-oriented NetBIOS Frame. Arguments: RawFrame - Pointer to an unformatted 14-byte connection-oriented buffer. Reason - Reason code for termination, any of the following: SESSION_END_REASON_HANGUP // normal termination via HANGUP. SESSION_END_REASON_ABEND // abnormal session termination. LocalSessionNumber - Session number of SENDER. RemoteSessionNumber - Session number of RECEIVER. Return Value: none. --*/ { IF_NBFDBG (NBF_DEBUG_FRAMECON) { NbfPrint0 ("ConstructSessionEnd: Entered.\n"); } RawFrame->Command = NBF_CMD_SESSION_END; HEADER_LENGTH(RawFrame) = sizeof(NBF_HDR_CONNECTION); HEADER_SIGNATURE(RawFrame) = NETBIOS_SIGNATURE; RawFrame->Data1 = 0; RawFrame->Data2Low = (UCHAR)(Reason & 0xff); RawFrame->Data2High = (UCHAR)(Reason >> 8); TRANSMIT_CORR(RawFrame) = (USHORT)0; RESPONSE_CORR(RawFrame) = (USHORT)0; RawFrame->SourceSessionNumber = LocalSessionNumber; RawFrame->DestinationSessionNumber = RemoteSessionNumber; } /* ConstructSessionEnd */ VOID ConstructSessionInitialize( IN PNBF_HDR_CONNECTION RawFrame, // frame buffer to format. IN UCHAR Options, // bitflag options, defined below. IN USHORT MaximumUserBufferSize, // max size of user frame on session. IN USHORT NameRecognizedCorrelator, // correlator from NAME_RECOGNIZED. IN USHORT Correlator, // correlator for SESSION_CONFIRM. IN UCHAR LocalSessionNumber, // session number of SENDER. IN UCHAR RemoteSessionNumber // session number of RECEIVER. ) /*++ Routine Description: This routine constructs an NBF_CMD_SESSION_INITIALIZE connection-oriented NetBIOS Frame. Arguments: RawFrame - Pointer to an unformatted 14-byte connection-oriented buffer. Options - Bitflag options, any of the following: SESSION_INITIALIZE_OPTIONS_20 // set if NETBIOS 2.0 or above. SESSION_INITIALIZE_NO_ACK // set if NO.ACK protocol supported. MaximumUserBufferSize - Maximum size of user data per frame on this session, in bytes. This is limited by the following constant: SESSION_INITIALIZE_MAXIMUM_FRAME_SIZE // defined limit of this field. NameRecognizedCorrelator - Correlator from NAME_RECOGNIZED. Correlator - Correlator for SESSION_CONFIRM. LocalSessionNumber - Session number of SENDER. RemoteSessionNumber - Session number of RECEIVER. Return Value: none. --*/ { IF_NBFDBG (NBF_DEBUG_FRAMECON) { NbfPrint0 ("ConstructSessionInitialize: Entered.\n"); } RawFrame->Command = NBF_CMD_SESSION_INITIALIZE; HEADER_LENGTH(RawFrame) = sizeof(NBF_HDR_CONNECTION); HEADER_SIGNATURE(RawFrame) = NETBIOS_SIGNATURE; RawFrame->Data1 = Options; RawFrame->Data2Low = (UCHAR)(MaximumUserBufferSize & 0xff); RawFrame->Data2High = (UCHAR)(MaximumUserBufferSize >> 8); TRANSMIT_CORR(RawFrame) = NameRecognizedCorrelator; RESPONSE_CORR(RawFrame) = Correlator; RawFrame->SourceSessionNumber = LocalSessionNumber; RawFrame->DestinationSessionNumber = RemoteSessionNumber; } /* ConstructSessionInitialize */ VOID ConstructNoReceive( IN PNBF_HDR_CONNECTION RawFrame, // frame buffer to format. IN USHORT Options, // option bitflags, defined below. IN USHORT BytesAccepted, // number of bytes accepted. IN UCHAR LocalSessionNumber, // session number of SENDER. IN UCHAR RemoteSessionNumber // session number of RECEIVER. ) /*++ Routine Description: This routine constructs an NBF_CMD_NO_RECEIVE connection-oriented NetBIOS Frame. Arguments: RawFrame - Pointer to an unformatted 14-byte connection-oriented buffer. Options - Bitflag options, any of the following: NO_RECEIVE_OPTIONS_PARTIAL_NO_ACK // NO.ACK data partially received. BytesAccepted - Number of bytes accepted, current outstanding message. LocalSessionNumber - Session number of SENDER. RemoteSessionNumber - Session number of RECEIVER. Return Value: none. --*/ { // Options; // prevent compiler warnings IF_NBFDBG (NBF_DEBUG_FRAMECON) { NbfPrint0 ("ConstructNoReceive: Entered.\n"); } RawFrame->Command = NBF_CMD_NO_RECEIVE; HEADER_LENGTH(RawFrame) = sizeof(NBF_HDR_CONNECTION); HEADER_SIGNATURE(RawFrame) = NETBIOS_SIGNATURE; if (Options == NO_RECEIVE_PARTIAL_NO_ACK) { RawFrame->Data1 = NO_RECEIVE_PARTIAL_NO_ACK; } else { RawFrame->Data1 = 0; } RawFrame->Data2Low = (UCHAR)(BytesAccepted & 0xff); RawFrame->Data2High = (UCHAR)(BytesAccepted >> 8); TRANSMIT_CORR(RawFrame) = (USHORT)0; RESPONSE_CORR(RawFrame) = (USHORT)0; RawFrame->SourceSessionNumber = LocalSessionNumber; RawFrame->DestinationSessionNumber = RemoteSessionNumber; } /* ConstructNoReceive */ VOID ConstructReceiveOutstanding( IN PNBF_HDR_CONNECTION RawFrame, // frame buffer to format. IN USHORT BytesAccepted, // number of bytes accepted. IN UCHAR LocalSessionNumber, // session number of SENDER. IN UCHAR RemoteSessionNumber // session number of RECEIVER. ) /*++ Routine Description: This routine constructs an NBF_CMD_RECEIVE_OUTSTANDING connection-oriented NetBIOS Frame. Arguments: RawFrame - Pointer to an unformatted 14-byte connection-oriented buffer. BytesAccepted - Number of bytes accepted, current outstanding message. LocalSessionNumber - Session number of SENDER. RemoteSessionNumber - Session number of RECEIVER. Return Value: none. --*/ { IF_NBFDBG (NBF_DEBUG_FRAMECON) { NbfPrint0 ("ConstructReceiveOutstanding: Entered.\n"); } RawFrame->Command = NBF_CMD_RECEIVE_OUTSTANDING; HEADER_LENGTH(RawFrame) = sizeof(NBF_HDR_CONNECTION); HEADER_SIGNATURE(RawFrame) = NETBIOS_SIGNATURE; RawFrame->Data1 = 0; RawFrame->Data2Low = (UCHAR)(BytesAccepted & 0xff); RawFrame->Data2High = (UCHAR)(BytesAccepted >> 8); TRANSMIT_CORR(RawFrame) = (USHORT)0; RESPONSE_CORR(RawFrame) = (USHORT)0; RawFrame->SourceSessionNumber = LocalSessionNumber; RawFrame->DestinationSessionNumber = RemoteSessionNumber; } /* ConstructReceiveOutstanding */ VOID ConstructReceiveContinue( IN PNBF_HDR_CONNECTION RawFrame, // frame buffer to format. IN USHORT Correlator, // correlator from DATA_FIRST_MIDDLE IN UCHAR LocalSessionNumber, // session number of SENDER. IN UCHAR RemoteSessionNumber // session number of RECEIVER. ) /*++ Routine Description: This routine constructs an NBF_CMD_RECEIVE_CONTINUE connection-oriented NetBIOS Frame. Arguments: RawFrame - Pointer to an unformatted 14-byte connection-oriented buffer. Correlator - The correlator from the DATA_FIRST_MIDDLE frame. LocalSessionNumber - Session number of SENDER. RemoteSessionNumber - Session number of RECEIVER. Return Value: none. --*/ { IF_NBFDBG (NBF_DEBUG_FRAMECON) { NbfPrint0 ("ConstructReceiveContinue: Entered.\n"); } RawFrame->Command = NBF_CMD_RECEIVE_CONTINUE; HEADER_LENGTH(RawFrame) = sizeof(NBF_HDR_CONNECTION); HEADER_SIGNATURE(RawFrame) = NETBIOS_SIGNATURE; RawFrame->Data1 = 0; RawFrame->Data2Low = 0; RawFrame->Data2High = 0; TRANSMIT_CORR(RawFrame) = Correlator; RESPONSE_CORR(RawFrame) = (USHORT)0; RawFrame->SourceSessionNumber = LocalSessionNumber; RawFrame->DestinationSessionNumber = RemoteSessionNumber; } /* ConstructReceiveContinue */ #if 0 VOID ConstructSessionAlive( IN PNBF_HDR_CONNECTION RawFrame // frame buffer to format. ) /*++ Routine Description: This routine constructs an NBF_CMD_SESSION_ALIVE connection-oriented NetBIOS Frame. Arguments: RawFrame - Pointer to an unformatted 14-byte connection-oriented buffer. Return Value: none. --*/ { IF_NBFDBG (NBF_DEBUG_FRAMECON) { NbfPrint0 ("ConstructSessionAlive: Entered.\n"); } RawFrame->Command = NBF_CMD_SESSION_ALIVE; HEADER_LENGTH(RawFrame) = sizeof(NBF_HDR_CONNECTION); HEADER_SIGNATURE(RawFrame) = NETBIOS_SIGNATURE; RawFrame->Data1 = 0; RawFrame->Data2Low = 0; RawFrame->Data2High = 0; TRANSMIT_CORR(RawFrame) = (USHORT)0; RESPONSE_CORR(RawFrame) = (USHORT)0; RawFrame->SourceSessionNumber = 0; RawFrame->DestinationSessionNumber = 0; } /* ConstructSessionAlive */ #endif