/**
* Initialize the DCE/RPC request. Set the SMB transaction parameter count so that the data offset
* can be calculated.
*
* @param handle int
* @param typ byte
* @param flags int
* @param callId int
*/
public final void initializeDCERequest(int handle, byte typ, int flags, int callId) {
// Initialize the transaction
InitializeTransact(16, null, 0, null, 0);
// Set the parameter byte count/offset for this packet
int bytPos = DCEDataPacker.longwordAlign(getByteOffset());
setParameter(3, 0);
setParameter(4, bytPos - RFCNetBIOSProtocol.HEADER_LEN);
// Set the parameter displacement
setParameter(5, 0);
// Set the data byte count/offset for this packet
setParameter(6, 0);
setParameter(7, bytPos - RFCNetBIOSProtocol.HEADER_LEN);
// Set the data displacement
setParameter(8, 0);
// Set up word count
setParameter(9, 0);
// Set the setup words
setSetupParameter(0, PacketType.TransactNmPipe);
setSetupParameter(1, handle);
// Reset the DCE offset for a DCE reply
m_offset = bytPos;
// Build the DCE/RPC header
byte[] buf = getBuffer();
DataPacker.putZeros(buf, m_offset, 24);
buf[m_offset + VERSIONMAJOR] = HDR_VERSIONMAJOR;
buf[m_offset + VERSIONMINOR] = HDR_VERSIONMINOR;
buf[m_offset + PDUTYPE] = typ;
buf[m_offset + HEADERFLAGS] = (byte) (flags & 0xFF);
DataPacker.putIntelInt(HDR_PACKEDDATAREP, buf, m_offset + PACKEDDATAREP);
DataPacker.putIntelInt(0, buf, m_offset + AUTHLEN);
DataPacker.putIntelInt(callId, buf, m_offset + CALLID);
}
/**
* Set the allocation hint
*
* @param alloc int
*/
public final void setAllocationHint(int alloc) {
DataPacker.putIntelInt(alloc, getBuffer(), m_offset + ALLOCATIONHINT);
}
/**
* Set the long SMB error code
*
* @param err Long SMB error code.
*/
public final void setLongErrorCode(int err) {
DataPacker.putIntelInt(err, m_smbbuf, ERRORCODE);
}
/**
* Set the specified parameter words.
*
* @param idx Parameter index (zero based).
* @param val Parameter value.
*/
public final void setParameterLong(int idx, int val) {
int pos = WORDCNT + (2 * idx) + 1;
DataPacker.putIntelInt(val, m_smbbuf, pos);
}
/**
* Pack an integer (32 bit) value into the byte area
*
* @param val int
*/
public final void packInt(int val) {
DataPacker.putIntelInt(val, m_smbbuf, m_pos);
m_pos += 4;
}