NTSTATUS TdiOpenAddressFile(
PUNICODE_STRING DeviceName,
PTRANSPORT_ADDRESS Name,
ULONG ShareType,
PHANDLE AddressHandle,
PFILE_OBJECT *AddressObject)
/*
* FUNCTION: Opens an IPv4 address file object
* ARGUMENTS:
* DeviceName = Pointer to counted string with name of device
* Name = Pointer to socket name (IPv4 address family)
* AddressHandle = Address of buffer to place address file handle
* AddressObject = Address of buffer to place address file object
* RETURNS:
* Status of operation
*/
{
PFILE_FULL_EA_INFORMATION EaInfo;
NTSTATUS Status;
ULONG EaLength;
PTRANSPORT_ADDRESS Address;
AFD_DbgPrint(MAX_TRACE, ("Called. DeviceName (%wZ) Name (%p)\n",
DeviceName, Name));
/* EaName must be 0-terminated, even though TDI_TRANSPORT_ADDRESS_LENGTH does *not* include the 0 */
EaLength = sizeof(FILE_FULL_EA_INFORMATION) +
TDI_TRANSPORT_ADDRESS_LENGTH +
TaLengthOfTransportAddress( Name ) + 1;
EaInfo = (PFILE_FULL_EA_INFORMATION)ExAllocatePool(NonPagedPool, EaLength);
if (!EaInfo)
return STATUS_INSUFFICIENT_RESOURCES;
RtlZeroMemory(EaInfo, EaLength);
EaInfo->EaNameLength = TDI_TRANSPORT_ADDRESS_LENGTH;
/* Don't copy the terminating 0; we have already zeroed it */
RtlCopyMemory(EaInfo->EaName,
TdiTransportAddress,
TDI_TRANSPORT_ADDRESS_LENGTH);
EaInfo->EaValueLength = sizeof(TA_IP_ADDRESS);
Address =
(PTRANSPORT_ADDRESS)(EaInfo->EaName + TDI_TRANSPORT_ADDRESS_LENGTH + 1); /* 0-terminated */
TaCopyTransportAddressInPlace( Address, Name );
Status = TdiOpenDevice(DeviceName,
EaLength,
EaInfo,
ShareType,
AddressHandle,
AddressObject);
ExFreePool(EaInfo);
return Status;
}
PTRANSPORT_ADDRESS TaCopyTransportAddress( PTRANSPORT_ADDRESS OtherAddress ) {
UINT AddrLen;
PTRANSPORT_ADDRESS A;
AddrLen = TaLengthOfTransportAddress( OtherAddress );
if (!AddrLen)
return NULL;
A = ExAllocatePool( NonPagedPool, AddrLen );
if( A )
TaCopyTransportAddressInPlace( A, OtherAddress );
return A;
}
VOID TaCopyTransportAddressInPlace( PTRANSPORT_ADDRESS Target,
PTRANSPORT_ADDRESS Source ) {
UINT AddrLen = TaLengthOfTransportAddress( Source );
RtlCopyMemory( Target, Source, AddrLen );
}
