Leaked source code of windows server 2003
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465 lines
12 KiB

#define UNICODE 1
#include <ntosp.h>
#include <zwapi.h>
#include <tdikrnl.h>
#define UINT ULONG //tmp
#include <irioctl.h>
#include <ircommtdi.h>
#include <ircommdbg.h>
NTSTATUS
IrdaOpenControlChannel(
HANDLE *ControlHandle
)
{
NTSTATUS Status;
IO_STATUS_BLOCK Iosb;
OBJECT_ATTRIBUTES ObjectAttributes;
UNICODE_STRING DeviceName;
RtlInitUnicodeString(&DeviceName, IRDA_DEVICE_NAME);
InitializeObjectAttributes(&ObjectAttributes, &DeviceName,
OBJ_CASE_INSENSITIVE, NULL, NULL);
Status = ZwCreateFile(
ControlHandle,
GENERIC_READ | GENERIC_WRITE | SYNCHRONIZE,
&ObjectAttributes,
&Iosb, // returned status information.
0, // block size (unused).
0, // file attributes.
FILE_SHARE_READ | FILE_SHARE_WRITE,
FILE_CREATE, // create disposition.
0, // create options.
NULL,
0
);
return Status;
}
NTSTATUS
IrdaDiscoverDevices(
PDEVICELIST pDevList,
PULONG pDevListLen
)
{
NTSTATUS Status;
IO_STATUS_BLOCK Iosb;
HANDLE ControlHandle;
OBJECT_ATTRIBUTES ObjectAttributes;
UNICODE_STRING DeviceName;
RtlInitUnicodeString(&DeviceName, IRDA_DEVICE_NAME);
InitializeObjectAttributes(&ObjectAttributes, &DeviceName,
OBJ_CASE_INSENSITIVE, NULL, NULL);
Status = ZwCreateFile(
&ControlHandle,
GENERIC_READ | GENERIC_WRITE | SYNCHRONIZE,
&ObjectAttributes,
&Iosb, // returned status information.
0, // block size (unused).
0, // file attributes.
FILE_SHARE_READ | FILE_SHARE_WRITE,
FILE_CREATE, // create disposition.
0, // create options.
NULL,
0
);
Status = ZwDeviceIoControlFile(
ControlHandle,
NULL, // EventHandle
NULL, // APC Routine
NULL, // APC Context
&Iosb,
IOCTL_IRDA_GET_INFO_ENUM_DEV,
pDevList,
*pDevListLen,
pDevList, // OutputBuffer
*pDevListLen // OutputBufferLength
);
if (Status == STATUS_PENDING )
{
Status = ZwWaitForSingleObject(ControlHandle, TRUE, NULL);
ASSERT(NT_SUCCESS(Status) );
Status = Iosb.Status;
}
ZwClose(ControlHandle);
return Status;
}
NTSTATUS
IrdaIASStringQuery(
ULONG DeviceID,
PSTR ClassName,
PSTR AttributeName,
PWSTR *ReturnString
)
{
NTSTATUS Status;
IO_STATUS_BLOCK Iosb;
HANDLE AddressHandle;
IAS_QUERY IasQuery;
*ReturnString=NULL;
Status=IrdaOpenControlChannel(&AddressHandle);
if (!NT_SUCCESS(Status)) {
D_ERROR(DbgPrint("IRCOMM: IrdaCreateAddress() failed %08lx\n",Status);)
return Status;
}
RtlCopyMemory(&IasQuery.irdaDeviceID[0],&DeviceID,sizeof(IasQuery.irdaDeviceID));
strcpy(IasQuery.irdaClassName,ClassName);
strcpy(IasQuery.irdaAttribName,AttributeName);
Status = ZwDeviceIoControlFile(
AddressHandle,
NULL, // EventHandle
NULL, // APC Routine
NULL, // APC Context
&Iosb,
IOCTL_IRDA_QUERY_IAS,
&IasQuery,
sizeof(IasQuery),
&IasQuery, // OutputBuffer
sizeof(IasQuery) // OutputBufferLength
);
if (Status == STATUS_PENDING ) {
ZwWaitForSingleObject(AddressHandle, TRUE, NULL);
Status = Iosb.Status;
}
ZwClose(AddressHandle);
if (!NT_SUCCESS(Status)) {
return Status;
}
{
WCHAR TempBuffer[IAS_MAX_USER_STRING+1];
UNICODE_STRING UnicodeString;
UnicodeString.Length=0;
if (IasQuery.irdaAttribute.irdaAttribUsrStr.CharSet == LmCharSetUNICODE) {
UnicodeString.MaximumLength=(USHORT)(IasQuery.irdaAttribute.irdaAttribUsrStr.Len+1);
} else {
UnicodeString.MaximumLength=(USHORT)(IasQuery.irdaAttribute.irdaAttribUsrStr.Len+1)*sizeof(WCHAR);
}
UnicodeString.Buffer=ALLOCATE_PAGED_POOL(UnicodeString.MaximumLength);
if (UnicodeString.Buffer == NULL) {
return STATUS_INSUFFICIENT_RESOURCES;
}
RtlZeroMemory(UnicodeString.Buffer,UnicodeString.MaximumLength);
//
// zero out the temp buffer, so we can copy the remote device name,
// so we can be sure it is null terminated
//
RtlZeroMemory(TempBuffer,sizeof(TempBuffer));
RtlCopyMemory(TempBuffer,IasQuery.irdaAttribute.irdaAttribUsrStr.UsrStr,IasQuery.irdaAttribute.irdaAttribUsrStr.Len);
if (IasQuery.irdaAttribute.irdaAttribUsrStr.CharSet == LmCharSetUNICODE) {
//
// the name is unicode
//
Status=RtlAppendUnicodeToString(&UnicodeString,TempBuffer);
} else {
//
// the name is ansi, need to convert unicode
//
ANSI_STRING AnsiString;
RtlInitAnsiString(
&AnsiString,
(PCSZ)TempBuffer
);
Status=RtlAnsiStringToUnicodeString(
&UnicodeString,
&AnsiString,
FALSE
);
}
if (NT_SUCCESS(Status)) {
*ReturnString=UnicodeString.Buffer;
} else {
FREE_POOL(UnicodeString.Buffer);
}
}
return Status;
}
NTSTATUS
IrdaIASIntegerQuery(
ULONG DeviceID,
PSTR ClassName,
PSTR AttributeName,
LONG *ReturnValue
)
{
NTSTATUS Status;
IO_STATUS_BLOCK Iosb;
HANDLE AddressHandle;
IAS_QUERY IasQuery;
*ReturnValue=0;
Status=IrdaOpenControlChannel(&AddressHandle);
if (!NT_SUCCESS(Status)) {
D_ERROR(DbgPrint("IRCOMM: IrdaCreateAddress() failed %08lx\n",Status);)
return Status;
}
RtlCopyMemory(&IasQuery.irdaDeviceID[0],&DeviceID,sizeof(IasQuery.irdaDeviceID));
strcpy(IasQuery.irdaClassName,ClassName);
strcpy(IasQuery.irdaAttribName,AttributeName);
Status = ZwDeviceIoControlFile(
AddressHandle,
NULL, // EventHandle
NULL, // APC Routine
NULL, // APC Context
&Iosb,
IOCTL_IRDA_QUERY_IAS,
&IasQuery,
sizeof(IasQuery),
&IasQuery, // OutputBuffer
sizeof(IasQuery) // OutputBufferLength
);
if (Status == STATUS_PENDING ) {
ZwWaitForSingleObject(AddressHandle, TRUE, NULL);
Status = Iosb.Status;
}
ZwClose(AddressHandle);
if (!NT_SUCCESS(Status)) {
return Status;
}
if (IasQuery.irdaAttribType != IAS_ATTRIB_INT) {
return STATUS_UNSUCCESSFUL;
}
*ReturnValue=IasQuery.irdaAttribute.irdaAttribInt;
return STATUS_SUCCESS;
}
NTSTATUS
IrdaIASStringSet(
HANDLE AddressHandle,
PSTR ClassName,
PSTR AttributeName,
PSTR StringToSet
)
{
NTSTATUS Status;
IO_STATUS_BLOCK Iosb;
IAS_SET IasSet;
strcpy(IasSet.irdaClassName,ClassName);
strcpy(IasSet.irdaAttribName,AttributeName);
IasSet.irdaAttribType=IAS_ATTRIB_STR;
IasSet.irdaAttribute.irdaAttribUsrStr.CharSet=LmCharSetASCII;
IasSet.irdaAttribute.irdaAttribUsrStr.Len=(UCHAR)strlen(StringToSet);
strcpy(IasSet.irdaAttribute.irdaAttribUsrStr.UsrStr,StringToSet);
Status = ZwDeviceIoControlFile(
AddressHandle,
NULL, // EventHandle
NULL, // APC Routine
NULL, // APC Context
&Iosb,
IOCTL_IRDA_SET_IAS,
&IasSet,
sizeof(IasSet),
&IasSet, // OutputBuffer
sizeof(IasSet) // OutputBufferLength
);
if (Status == STATUS_PENDING ) {
ZwWaitForSingleObject(AddressHandle, TRUE, NULL);
Status = Iosb.Status;
}
if (!NT_SUCCESS(Status)) {
D_ERROR(DbgPrint("IRENUM:IrdaIASStringSet() failed %08lx\n",Status);)
}
return Status;
}
NTSTATUS
IrdaIASOctetSet(
PFILE_OBJECT FileObject,
PSTR ClassName,
PSTR AttributeName,
PUCHAR Value,
ULONG ValueLength
)
{
NTSTATUS Status;
IO_STATUS_BLOCK Iosb;
IAS_SET IasSet;
KEVENT Event;
PIRP Irp;
PIO_STACK_LOCATION IrpSp;
KeInitializeEvent(&Event,NotificationEvent,FALSE);
strcpy(IasSet.irdaClassName,ClassName);
strcpy(IasSet.irdaAttribName,AttributeName);
IasSet.irdaAttribType=IAS_ATTRIB_OCTETSEQ;
IasSet.irdaAttribute.irdaAttribOctetSeq.Len=(USHORT)ValueLength;
RtlCopyMemory(&IasSet.irdaAttribute.irdaAttribOctetSeq.OctetSeq,Value,ValueLength);
Irp=IoBuildDeviceIoControlRequest(
IOCTL_IRDA_SET_IAS,
IoGetRelatedDeviceObject(FileObject),
&IasSet,
sizeof(IasSet),
NULL,
0,
FALSE,
&Event,
&Iosb
);
if (Irp == NULL) {
return STATUS_INSUFFICIENT_RESOURCES;
}
IrpSp=IoGetNextIrpStackLocation(Irp);
IrpSp->FileObject=FileObject;
IoCallDriver(
IoGetRelatedDeviceObject(FileObject),
Irp
);
KeWaitForSingleObject(
&Event,
Executive,
KernelMode,
FALSE,
NULL
);
//
// get the final status from the io request
//
Status = Iosb.Status;
if (!NT_SUCCESS(Status)) {
D_ERROR(DbgPrint("IRCOMM:IrdaIASOctetSet() failed %08lx\n",Status);)
}
//
// the irp is completed and freed by the os
//
return Status;
}
VOID
IrdaLazyDiscoverDevices(
HANDLE ControlHandle,
HANDLE Event,
PIO_STATUS_BLOCK Iosb,
PDEVICELIST pDevList,
ULONG DevListLen
)
{
ZwDeviceIoControlFile(
ControlHandle,
Event, // EventHandle
NULL, // APC Routine
NULL, // APC Context
Iosb,
IOCTL_IRDA_LAZY_DISCOVERY,
NULL,
0,
pDevList, // OutputBuffer
DevListLen // OutputBufferLength
);
return;
}