Leaked source code of windows server 2003
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// Device.cpp : Implementation of CDevice
#include "stdafx.h"
#include "DevCon2.h"
#include "Device.h"
#include "xStrings.h"
#include "Driver.h"
#include "Drivers.h"
#include "DrvSearchSet.h"
#include "utils.h"
/////////////////////////////////////////////////////////////////////////////
// CDevice
CDevice::~CDevice()
{
//
// when this is destroyed, yank the entry out of HDEVINFO
//
if(DevInfoData.cbSize) {
HDEVINFO hDevInfo = GetDevInfoSet();
if(hDevInfo != INVALID_HANDLE_VALUE) {
SetupDiDeleteDeviceInfo(hDevInfo,&DevInfoData);
}
}
}
HRESULT CDevice::Init(IDevInfoSet *pDevInfoSet, LPCWSTR pInstance,IDeviceConsole *pDevCon)
{
//
// init a new device (DeviceConsole/DevInfoSet are smart pointers)
//
DevInfoSet = pDevInfoSet;
HDEVINFO hDevInfo = GetDevInfoSet();
HRESULT hr;
DWORD err;
if(hDevInfo == INVALID_HANDLE_VALUE) {
return E_UNEXPECTED;
}
DeviceConsole = pDevCon;
DevInfoData.cbSize = sizeof(DevInfoData);
if(SetupDiOpenDeviceInfo(hDevInfo,pInstance,NULL,0,&DevInfoData)) {
return S_OK;
}
err = GetLastError();
hr = HRESULT_FROM_SETUPAPI(err);
DevInfoData.cbSize = 0;
return hr;
}
HRESULT CDevice::Init(IDevInfoSet *pDevInfoSet, PSP_DEVINFO_DATA pData,IDeviceConsole *pDevCon)
{
//
// init an existing device (DeviceConsole/DevInfoSet are smart pointers)
//
DevInfoSet = pDevInfoSet;
DevInfoData = *pData;
DeviceConsole = pDevCon;
return S_OK;
}
HDEVINFO CDevice::GetDevInfoSet()
{
ULONGLONG h;
HRESULT hr;
if(!DevInfoSet) {
return (HDEVINFO)INVALID_HANDLE_VALUE;
}
hr = DevInfoSet->get_Handle(&h);
if(FAILED(hr)) {
return (HDEVINFO)INVALID_HANDLE_VALUE;
}
return (HDEVINFO)h;
}
STDMETHODIMP CDevice::get_InstanceId(BSTR *pVal)
{
if(!DevInfoData.cbSize) {
return E_UNEXPECTED;
}
HDEVINFO hDevInfo = GetDevInfoSet();
if(hDevInfo == INVALID_HANDLE_VALUE) {
return E_UNEXPECTED;
}
//
// get instance string given hDevInfo and DevInfoData
//
WCHAR devID[MAX_DEVICE_ID_LEN];
SP_DEVINFO_LIST_DETAIL_DATA devInfoListDetail;
devInfoListDetail.cbSize = sizeof(devInfoListDetail);
if((!SetupDiGetDeviceInfoListDetail(hDevInfo,&devInfoListDetail)) ||
(CM_Get_Device_ID_Ex(DevInfoData.DevInst,devID,MAX_DEVICE_ID_LEN,0,devInfoListDetail.RemoteMachineHandle)!=CR_SUCCESS)) {
return E_UNEXPECTED;
}
*pVal = SysAllocString(devID);
if(!*pVal) {
return E_OUTOFMEMORY;
}
return S_OK;
}
BOOL CDevice::SameAs(CDevice *pOther)
{
//
// only works if pOther is in same set as us
//
if(pOther == this) {
return TRUE;
}
if(!pOther) {
return FALSE;
}
if(DevInfoData.cbSize != pOther->DevInfoData.cbSize) {
return FALSE;
}
if(DevInfoData.DevInst != pOther->DevInfoData.DevInst) {
return FALSE;
}
return TRUE;
}
STDMETHODIMP CDevice::Delete()
{
if(!DevInfoData.cbSize) {
return E_INVALIDARG;
}
HDEVINFO hDevInfo = GetDevInfoSet();
if(hDevInfo == INVALID_HANDLE_VALUE) {
return E_UNEXPECTED;
}
SP_REMOVEDEVICE_PARAMS rmdParams;
ZeroMemory(&rmdParams,sizeof(rmdParams));
rmdParams.ClassInstallHeader.cbSize = sizeof(SP_CLASSINSTALL_HEADER);
rmdParams.ClassInstallHeader.InstallFunction = DIF_REMOVE;
rmdParams.Scope = DI_REMOVEDEVICE_GLOBAL;
rmdParams.HwProfile = 0;
if(!SetupDiSetClassInstallParams(hDevInfo,&DevInfoData,&rmdParams.ClassInstallHeader,sizeof(rmdParams))
|| !SetupDiCallClassInstaller(DIF_REMOVE,hDevInfo,&DevInfoData)) {
DWORD Err = GetLastError();
return HRESULT_FROM_SETUPAPI(Err);
}
return CheckNoReboot();
}
STDMETHODIMP CDevice::Enable()
{
if(!DevInfoData.cbSize) {
return E_INVALIDARG;
}
HDEVINFO hDevInfo = GetDevInfoSet();
if(hDevInfo == INVALID_HANDLE_VALUE) {
return E_UNEXPECTED;
}
SP_PROPCHANGE_PARAMS pcp;
VARIANT_BOOL NeedReboot;
VARIANT_BOOL NowNeedReboot;
HRESULT hr;
//
// remember current reboot status
//
hr = get_RebootRequired(&NeedReboot);
if(FAILED(hr)) {
return hr;
}
//
// attempt to enable globally
//
ZeroMemory(&pcp,sizeof(pcp));
pcp.ClassInstallHeader.cbSize = sizeof(SP_CLASSINSTALL_HEADER);
pcp.ClassInstallHeader.InstallFunction = DIF_PROPERTYCHANGE;
pcp.StateChange = DICS_ENABLE;
pcp.Scope = DICS_FLAG_GLOBAL;
pcp.HwProfile = 0;
if(!SetupDiSetClassInstallParams(hDevInfo,&DevInfoData,&pcp.ClassInstallHeader,sizeof(pcp)) ||
!SetupDiCallClassInstaller(DIF_PROPERTYCHANGE,hDevInfo,&DevInfoData)) {
//
// failed to invoke DIF_PROPERTYCHANGE
//
DWORD Err = GetLastError();
return HRESULT_FROM_SETUPAPI(Err);
}
hr = get_RebootRequired(&NowNeedReboot);
if(FAILED(hr)) {
return hr;
}
if(!(NeedReboot || NowNeedReboot)) {
//
// reboot not required, we must have enabled the device
//
return S_OK;
}
if(!NeedReboot) {
//
// reset reboot status back to how it was originally
//
put_RebootRequired(VARIANT_FALSE);
}
//
// also do config specific enable
//
pcp.ClassInstallHeader.cbSize = sizeof(SP_CLASSINSTALL_HEADER);
pcp.ClassInstallHeader.InstallFunction = DIF_PROPERTYCHANGE;
pcp.StateChange = DICS_ENABLE;
pcp.Scope = DICS_FLAG_CONFIGSPECIFIC;
pcp.HwProfile = 0;
if(SetupDiSetClassInstallParams(hDevInfo,&DevInfoData,&pcp.ClassInstallHeader,sizeof(pcp))
&& SetupDiCallClassInstaller(DIF_PROPERTYCHANGE,hDevInfo,&DevInfoData)) {
//
// succeeded to invoke config-specific
//
if(NeedReboot) {
//
// set back original status if reboot was required
//
put_RebootRequired(VARIANT_TRUE);
}
return CheckNoReboot();
}
//
// if this failed, just imply reboot (our first result)
//
put_RebootRequired(VARIANT_TRUE);
return CheckNoReboot();
}
STDMETHODIMP CDevice::Disable()
{
if(!DevInfoData.cbSize) {
return E_INVALIDARG;
}
HDEVINFO hDevInfo = GetDevInfoSet();
if(hDevInfo == INVALID_HANDLE_VALUE) {
return E_UNEXPECTED;
}
SP_PROPCHANGE_PARAMS pcp;
//
// attempt to disable globally
//
ZeroMemory(&pcp,sizeof(pcp));
pcp.ClassInstallHeader.cbSize = sizeof(SP_CLASSINSTALL_HEADER);
pcp.ClassInstallHeader.InstallFunction = DIF_PROPERTYCHANGE;
pcp.StateChange = DICS_DISABLE;
pcp.Scope = DICS_FLAG_GLOBAL;
pcp.HwProfile = 0;
if(!SetupDiSetClassInstallParams(hDevInfo,&DevInfoData,&pcp.ClassInstallHeader,sizeof(pcp)) ||
!SetupDiCallClassInstaller(DIF_PROPERTYCHANGE,hDevInfo,&DevInfoData)) {
//
// failed to invoke DIF_PROPERTYCHANGE
//
DWORD Err = GetLastError();
return HRESULT_FROM_SETUPAPI(Err);
}
return CheckNoReboot();
}
STDMETHODIMP CDevice::Start()
{
if(!DevInfoData.cbSize) {
return E_INVALIDARG;
}
HDEVINFO hDevInfo = GetDevInfoSet();
if(hDevInfo == INVALID_HANDLE_VALUE) {
return E_UNEXPECTED;
}
SP_PROPCHANGE_PARAMS pcp;
//
// attempt to start (can only be for this config)
//
ZeroMemory(&pcp,sizeof(pcp));
pcp.ClassInstallHeader.cbSize = sizeof(SP_CLASSINSTALL_HEADER);
pcp.ClassInstallHeader.InstallFunction = DIF_PROPERTYCHANGE;
pcp.StateChange = DICS_ENABLE;
pcp.Scope = DICS_FLAG_CONFIGSPECIFIC;
pcp.HwProfile = 0;
if(!SetupDiSetClassInstallParams(hDevInfo,&DevInfoData,&pcp.ClassInstallHeader,sizeof(pcp)) ||
!SetupDiCallClassInstaller(DIF_PROPERTYCHANGE,hDevInfo,&DevInfoData)) {
//
// failed to invoke DIF_PROPERTYCHANGE
//
DWORD Err = GetLastError();
return HRESULT_FROM_SETUPAPI(Err);
}
return CheckNoReboot();
}
STDMETHODIMP CDevice::Stop()
{
if(!DevInfoData.cbSize) {
return E_INVALIDARG;
}
HDEVINFO hDevInfo = GetDevInfoSet();
if(hDevInfo == INVALID_HANDLE_VALUE) {
return E_UNEXPECTED;
}
SP_PROPCHANGE_PARAMS pcp;
//
// attempt to start (can only be for this config)
//
ZeroMemory(&pcp,sizeof(pcp));
pcp.ClassInstallHeader.cbSize = sizeof(SP_CLASSINSTALL_HEADER);
pcp.ClassInstallHeader.InstallFunction = DIF_PROPERTYCHANGE;
pcp.StateChange = DICS_STOP;
pcp.Scope = DICS_FLAG_CONFIGSPECIFIC;
pcp.HwProfile = 0;
if(!SetupDiSetClassInstallParams(hDevInfo,&DevInfoData,&pcp.ClassInstallHeader,sizeof(pcp)) ||
!SetupDiCallClassInstaller(DIF_PROPERTYCHANGE,hDevInfo,&DevInfoData)) {
//
// failed to invoke DIF_PROPERTYCHANGE
//
DWORD Err = GetLastError();
return HRESULT_FROM_SETUPAPI(Err);
}
return CheckNoReboot();
}
STDMETHODIMP CDevice::Restart()
{
if(!DevInfoData.cbSize) {
return E_INVALIDARG;
}
HDEVINFO hDevInfo = GetDevInfoSet();
if(hDevInfo == INVALID_HANDLE_VALUE) {
return E_UNEXPECTED;
}
SP_PROPCHANGE_PARAMS pcp;
//
// attempt to stop then start (restart) (can only be for this config)
//
ZeroMemory(&pcp,sizeof(pcp));
pcp.ClassInstallHeader.cbSize = sizeof(SP_CLASSINSTALL_HEADER);
pcp.ClassInstallHeader.InstallFunction = DIF_PROPERTYCHANGE;
pcp.StateChange = DICS_PROPCHANGE;
pcp.Scope = DICS_FLAG_CONFIGSPECIFIC;
pcp.HwProfile = 0;
if(!SetupDiSetClassInstallParams(hDevInfo,&DevInfoData,&pcp.ClassInstallHeader,sizeof(pcp)) ||
!SetupDiCallClassInstaller(DIF_PROPERTYCHANGE,hDevInfo,&DevInfoData)) {
//
// failed to invoke DIF_PROPERTYCHANGE
//
DWORD Err = GetLastError();
return HRESULT_FROM_SETUPAPI(Err);
}
return CheckNoReboot();
}
HRESULT CDevice::CheckNoReboot()
{
VARIANT_BOOL NeedReboot;
HRESULT hr = get_RebootRequired(&NeedReboot);
if(FAILED(hr)) {
return hr;
}
if(NeedReboot) {
if(DeviceConsole) {
//
// set reboot required in device console too
//
DeviceConsole->put_RebootRequired(VARIANT_TRUE);
}
return S_FALSE;
}
return S_OK;
}
STDMETHODIMP CDevice::get_RebootRequired(VARIANT_BOOL *pVal)
{
if(!DevInfoData.cbSize) {
return E_INVALIDARG;
}
HDEVINFO hDevInfo = GetDevInfoSet();
if(hDevInfo == INVALID_HANDLE_VALUE) {
return E_UNEXPECTED;
}
SP_DEVINSTALL_PARAMS devParams;
ZeroMemory(&devParams,sizeof(devParams));
devParams.cbSize = sizeof(devParams);
if(!SetupDiGetDeviceInstallParams(hDevInfo,&DevInfoData,&devParams)) {
DWORD Err = GetLastError();
return HRESULT_FROM_SETUPAPI(Err);
}
*pVal = (devParams.Flags & (DI_NEEDRESTART|DI_NEEDREBOOT)) ? VARIANT_TRUE : VARIANT_FALSE;
return S_OK;
}
STDMETHODIMP CDevice::put_RebootRequired(VARIANT_BOOL newVal)
{
if(!DevInfoData.cbSize) {
return E_INVALIDARG;
}
HDEVINFO hDevInfo = GetDevInfoSet();
if(hDevInfo == INVALID_HANDLE_VALUE) {
return E_UNEXPECTED;
}
BOOL changed = FALSE;
SP_DEVINSTALL_PARAMS devParams;
ZeroMemory(&devParams,sizeof(devParams));
devParams.cbSize = sizeof(devParams);
if(!SetupDiGetDeviceInstallParams(hDevInfo,&DevInfoData,&devParams)) {
DWORD Err = GetLastError();
return HRESULT_FROM_SETUPAPI(Err);
}
if(newVal) {
if((devParams.Flags & (DI_NEEDRESTART|DI_NEEDREBOOT)) == 0) {
devParams.Flags |= DI_NEEDREBOOT|DI_NEEDRESTART;
changed = TRUE;
if(DeviceConsole) {
//
// set reboot required in device console too
//
DeviceConsole->put_RebootRequired(VARIANT_TRUE);
}
}
} else {
if((devParams.Flags & (DI_NEEDRESTART|DI_NEEDREBOOT)) != 0) {
devParams.Flags &= ~DI_NEEDREBOOT|DI_NEEDRESTART;
changed = TRUE;
}
}
if(changed) {
if(!SetupDiSetDeviceInstallParams(hDevInfo,&DevInfoData,&devParams)) {
DWORD Err = GetLastError();
return HRESULT_FROM_SETUPAPI(Err);
}
}
return S_OK;
}
STDMETHODIMP CDevice::get_Description(BSTR *pVal)
{
//
// obtain a description for the device
//
HRESULT hr;
CComVariant v;
VARIANT final;
VariantInit(&final);
hr = GetDeviceProperty(SPDRP_FRIENDLYNAME,&v);
if(SUCCEEDED(hr)) {
hr = v.ChangeType(VT_BSTR);
if(SUCCEEDED(hr)) {
if(V_BSTR(&v)!=NULL && V_BSTR(&v)[0]) {
v.Detach(&final);
*pVal = V_BSTR(&final);
return S_OK;
}
}
}
v.Clear();
hr = GetDeviceProperty(SPDRP_DEVICEDESC,&v);
if(SUCCEEDED(hr)) {
hr = v.ChangeType(VT_BSTR);
if(SUCCEEDED(hr)) {
if(V_BSTR(&v)!=NULL && V_BSTR(&v)[0]) {
v.Detach(&final);
*pVal = V_BSTR(&final);
return S_OK;
}
}
}
v.Clear();
*pVal = SysAllocString(L"");
if(!*pVal) {
return E_OUTOFMEMORY;
}
return S_OK;
}
STDMETHODIMP CDevice::get_HardwareIds(VARIANT *pVal)
{
return GetDeviceProperty(SPDRP_HARDWAREID,pVal);
}
STDMETHODIMP CDevice::put_HardwareIds(VARIANT newVal)
{
return PutDevicePropertyMultiSz(SPDRP_HARDWAREID,&newVal);
}
STDMETHODIMP CDevice::get_CompatibleIds(VARIANT *pVal)
{
return GetDeviceProperty(SPDRP_COMPATIBLEIDS,pVal);
}
STDMETHODIMP CDevice::put_CompatibleIds(VARIANT newVal)
{
return PutDevicePropertyMultiSz(SPDRP_COMPATIBLEIDS,&newVal);
}
STDMETHODIMP CDevice::get_ServiceName(VARIANT *pVal)
{
return GetDeviceProperty(SPDRP_SERVICE,pVal);
}
STDMETHODIMP CDevice::get_Class(VARIANT *pVal)
{
return GetDeviceProperty(SPDRP_CLASS,pVal);
}
STDMETHODIMP CDevice::get_Manufacturer(VARIANT *pVal)
{
return GetDeviceProperty(SPDRP_MFG,pVal);
}
STDMETHODIMP CDevice::get_FriendlyName(VARIANT *pVal)
{
return GetDeviceProperty(SPDRP_FRIENDLYNAME,pVal);
}
STDMETHODIMP CDevice::put_FriendlyName(VARIANT newVal)
{
return PutDevicePropertyString(SPDRP_FRIENDLYNAME,&newVal);
}
STDMETHODIMP CDevice::get_LocationInformation(VARIANT *pVal)
{
return GetDeviceProperty(SPDRP_LOCATION_INFORMATION,pVal);
}
STDMETHODIMP CDevice::put_LocationInformation(VARIANT newVal)
{
return PutDevicePropertyString(SPDRP_LOCATION_INFORMATION,&newVal);
}
STDMETHODIMP CDevice::get_UpperFilters(VARIANT *pVal)
{
return GetDeviceProperty(SPDRP_UPPERFILTERS,pVal);
}
STDMETHODIMP CDevice::put_UpperFilters(VARIANT newVal)
{
return PutDevicePropertyMultiSz(SPDRP_UPPERFILTERS,&newVal);
}
STDMETHODIMP CDevice::get_LowerFilters(VARIANT *pVal)
{
return GetDeviceProperty(SPDRP_LOWERFILTERS,pVal);
}
STDMETHODIMP CDevice::put_LowerFilters(VARIANT newVal)
{
return PutDevicePropertyMultiSz(SPDRP_LOWERFILTERS,&newVal);
}
STDMETHODIMP CDevice::get_EnumeratorName(VARIANT *pVal)
{
return GetDeviceProperty(SPDRP_ENUMERATOR_NAME,pVal);
}
STDMETHODIMP CDevice::get_Security(VARIANT *pVal)
{
return GetDeviceProperty(SPDRP_SECURITY_SDS,pVal);
}
STDMETHODIMP CDevice::put_Security(VARIANT newVal)
{
return PutDevicePropertyString(SPDRP_SECURITY_SDS,&newVal);
}
STDMETHODIMP CDevice::get_DeviceTypeOverride(VARIANT *pVal)
{
return GetDeviceProperty(SPDRP_DEVTYPE,pVal);
}
STDMETHODIMP CDevice::put_DeviceTypeOverride(VARIANT newVal)
{
return PutDevicePropertyDword(SPDRP_DEVTYPE,&newVal);
}
STDMETHODIMP CDevice::get_ForceExclusive(VARIANT *pVal)
{
return GetDeviceProperty(SPDRP_EXCLUSIVE,pVal);
}
STDMETHODIMP CDevice::put_ForceExclusive(VARIANT newVal)
{
return PutDevicePropertyDword(SPDRP_EXCLUSIVE,&newVal);
}
STDMETHODIMP CDevice::get_CharacteristicsOverride(VARIANT *pVal)
{
return GetDeviceProperty(SPDRP_CHARACTERISTICS,pVal);
}
STDMETHODIMP CDevice::put_CharacteristicsOverride(VARIANT newVal)
{
return PutDevicePropertyDword(SPDRP_CHARACTERISTICS,&newVal);
}
HRESULT CDevice::GetDeviceProperty(DWORD prop, VARIANT *pVal)
{
if(!DevInfoData.cbSize) {
return E_INVALIDARG;
}
HDEVINFO hDevInfo = GetDevInfoSet();
if(hDevInfo == INVALID_HANDLE_VALUE) {
return E_UNEXPECTED;
}
//
// first obtain raw registry data
//
LPBYTE buffer = NULL;
DWORD size = 1024;
DWORD bufsize;
DWORD reqSize;
DWORD dataType;
HRESULT hr;
for(;;) {
if(buffer) {
delete [] buffer;
}
bufsize = size + sizeof(WCHAR)*2;
buffer = new BYTE[bufsize];
if(!buffer) {
return E_OUTOFMEMORY;
}
if(SetupDiGetDeviceRegistryProperty(hDevInfo,&DevInfoData,prop,&dataType,buffer,size,&reqSize)) {
break;
}
DWORD Err = GetLastError();
if(Err != ERROR_INSUFFICIENT_BUFFER) {
delete [] buffer;
hr = HRESULT_FROM_SETUPAPI(Err);
return hr;
}
}
//
// now determine how to parcel it to caller
//
switch(dataType) {
case REG_DWORD: {
//
// package value as a long
//
if(size != sizeof(DWORD)) {
hr = E_INVALIDARG;
} else {
VariantClear(pVal);
V_VT(pVal) = VT_I4;
V_I4(pVal) = (long)*((DWORD*)buffer);
hr = S_OK;
}
}
break;
case REG_SZ: {
//
// package value as string
//
VariantClear(pVal);
ZeroMemory(buffer+size,sizeof(WCHAR));
BSTR pString = SysAllocString((LPWSTR)buffer);
if(!pString) {
hr = E_OUTOFMEMORY;
} else {
V_VT(pVal) = VT_BSTR;
V_BSTR(pVal) = pString;
hr = S_OK;
}
}
break;
case REG_MULTI_SZ: {
//
// package as string-list
//
VariantClear(pVal);
ZeroMemory(buffer+size,sizeof(WCHAR)*2);
CComObject<CStrings> *strings;
hr = CComObject<CStrings>::CreateInstance(&strings);
if(FAILED(hr)) {
break;
}
CComPtr<IStrings> stringsPtr = strings;
LPWSTR p;
UINT len = 0;
for(p = (LPWSTR)buffer;*p;p+=len+1) {
len = wcslen(p);
hr = strings->InternalAdd(p,len);
if(FAILED(hr)) {
break;
}
}
V_VT(pVal) = VT_DISPATCH;
V_DISPATCH(pVal) = stringsPtr.Detach();
hr = S_OK;
}
break;
default:
hr = E_INVALIDARG;
break;
}
delete [] buffer;
return hr;
}
HRESULT CDevice::PutDevicePropertyString(DWORD prop, VARIANT *pVal)
{
if(!DevInfoData.cbSize) {
return E_INVALIDARG;
}
HDEVINFO hDevInfo = GetDevInfoSet();
if(hDevInfo == INVALID_HANDLE_VALUE) {
return E_UNEXPECTED;
}
HRESULT hr;
DWORD len = 0;
PBYTE data = NULL;
CComVariant v;
if(!IsBlank(pVal)) {
hr = v.ChangeType(VT_BSTR,pVal);
if(FAILED(hr)) {
return hr;
}
len = (SysStringLen(V_BSTR(&v))+1)*sizeof(WCHAR);
data = (PBYTE)V_BSTR(&v);
}
if(SetupDiSetDeviceRegistryProperty(hDevInfo,
&DevInfoData,
prop,
data,
len)) {
return S_OK;
}
DWORD Err = GetLastError();
return HRESULT_FROM_SETUPAPI(Err);
}
HRESULT CDevice::PutDevicePropertyDword(DWORD prop, VARIANT *pVal)
{
if(!DevInfoData.cbSize) {
return E_INVALIDARG;
}
HDEVINFO hDevInfo = GetDevInfoSet();
if(hDevInfo == INVALID_HANDLE_VALUE) {
return E_UNEXPECTED;
}
CComVariant v;
HRESULT hr;
DWORD len = 0;
PBYTE data = NULL;
if(!IsBlank(pVal)) {
hr = v.ChangeType(VT_I4,pVal);
if(FAILED(hr)) {
return hr;
}
len = sizeof(V_I4(&v));
data = (PBYTE)&V_I4(&v);
}
if(SetupDiSetDeviceRegistryProperty(hDevInfo,
&DevInfoData,
prop,
data,
len)) {
return S_OK;
}
DWORD Err = GetLastError();
return HRESULT_FROM_SETUPAPI(Err);
}
HRESULT CDevice::PutDevicePropertyMultiSz(DWORD prop, VARIANT *pVal)
{
if(!DevInfoData.cbSize) {
return E_INVALIDARG;
}
HDEVINFO hDevInfo = GetDevInfoSet();
if(hDevInfo == INVALID_HANDLE_VALUE) {
return E_UNEXPECTED;
}
//
// build a CStrings collection
//
HRESULT hr;
CComObject<CStrings> *strings = NULL;
CComPtr<IStrings> stringsPtr;
DWORD len = 0;
PBYTE data = NULL;
LPWSTR multisz;
if(!IsBlank(pVal)) {
hr = CComObject<CStrings>::CreateInstance(&strings);
if(FAILED(hr)) {
return hr;
}
stringsPtr = strings; // handle ref-counting
hr = strings->Add(*pVal);
if(FAILED(hr)) {
return hr;
}
//
// now obtain multisz from the collection
//
hr = strings->GetMultiSz(&multisz,&len);
if(FAILED(hr)) {
return hr;
}
//
// now write the multi-sz value to device registry
//
len *= sizeof(WCHAR);
data = (PBYTE)multisz;
}
if(SetupDiSetDeviceRegistryProperty(hDevInfo,
&DevInfoData,
prop,
(PBYTE)multisz,
len)) {
if(multisz) {
delete [] multisz;
}
return S_OK;
}
DWORD Err = GetLastError();
if(multisz) {
delete [] multisz;
}
return HRESULT_FROM_SETUPAPI(Err);
}
HRESULT CDevice::GetRemoteMachine(HANDLE *hMachine)
{
if(!DevInfoData.cbSize) {
return E_INVALIDARG;
}
HDEVINFO hDevInfo = GetDevInfoSet();
if(hDevInfo == INVALID_HANDLE_VALUE) {
return E_UNEXPECTED;
}
SP_DEVINFO_LIST_DETAIL_DATA devInfoListDetail;
devInfoListDetail.cbSize = sizeof(devInfoListDetail);
if(!SetupDiGetDeviceInfoListDetail(hDevInfo,&devInfoListDetail)) {
DWORD Err = GetLastError();
return HRESULT_FROM_SETUPAPI(Err);
}
*hMachine = devInfoListDetail.RemoteMachineHandle;
return S_OK;
}
STDMETHODIMP CDevice::get_IsRunning(VARIANT_BOOL *pVal)
{
HANDLE hMachine;
ULONG status = 0;
ULONG problem = 0;
HRESULT hr = GetRemoteMachine(&hMachine);
if(FAILED(hr)) {
return hr;
}
if(CM_Get_DevNode_Status_Ex(&status,&problem,DevInfoData.DevInst,0,hMachine)!=CR_SUCCESS) {
return E_UNEXPECTED;
}
if(status & DN_STARTED) {
*pVal = VARIANT_TRUE;
} else {
*pVal = VARIANT_FALSE;
}
return S_OK;
}
STDMETHODIMP CDevice::get_IsDisabled(VARIANT_BOOL *pVal)
{
HANDLE hMachine;
ULONG status = 0;
ULONG problem = 0;
HRESULT hr = GetRemoteMachine(&hMachine);
if(FAILED(hr)) {
return hr;
}
if(CM_Get_DevNode_Status_Ex(&status,&problem,DevInfoData.DevInst,0,hMachine)!=CR_SUCCESS) {
return E_UNEXPECTED;
}
if(status & DN_HAS_PROBLEM) {
if((problem == CM_PROB_DISABLED) || (problem == CM_PROB_HARDWARE_DISABLED)) {
*pVal = VARIANT_TRUE;
return S_OK;
}
}
*pVal = VARIANT_FALSE;
return S_OK;
}
STDMETHODIMP CDevice::get_HasProblem(VARIANT_BOOL *pVal)
{
HANDLE hMachine;
ULONG status = 0;
ULONG problem = 0;
HRESULT hr = GetRemoteMachine(&hMachine);
if(FAILED(hr)) {
return hr;
}
if(CM_Get_DevNode_Status_Ex(&status,&problem,DevInfoData.DevInst,0,hMachine)!=CR_SUCCESS) {
return E_UNEXPECTED;
}
if(status & (DN_HAS_PROBLEM|DN_PRIVATE_PROBLEM)) {
*pVal = VARIANT_TRUE;
} else {
*pVal = VARIANT_FALSE;
}
return S_OK;
}
STDMETHODIMP CDevice::get_ProblemCode(long *pVal)
{
HANDLE hMachine;
ULONG status = 0;
ULONG problem = 0;
HRESULT hr = GetRemoteMachine(&hMachine);
if(FAILED(hr)) {
return hr;
}
if(CM_Get_DevNode_Status_Ex(&status,&problem,DevInfoData.DevInst,0,hMachine)!=CR_SUCCESS) {
return E_UNEXPECTED;
}
if(status & DN_HAS_PROBLEM) {
*pVal = (long)problem;
} else {
*pVal = 0;
}
return S_OK;
}
STDMETHODIMP CDevice::get_HasPrivateProblem(VARIANT_BOOL *pVal)
{
HANDLE hMachine;
ULONG status = 0;
ULONG problem = 0;
HRESULT hr = GetRemoteMachine(&hMachine);
if(FAILED(hr)) {
return hr;
}
if(CM_Get_DevNode_Status_Ex(&status,&problem,DevInfoData.DevInst,0,hMachine)!=CR_SUCCESS) {
return E_UNEXPECTED;
}
if(status & DN_PRIVATE_PROBLEM) {
*pVal = VARIANT_TRUE;
} else {
*pVal = VARIANT_FALSE;
}
return S_OK;
}
STDMETHODIMP CDevice::get_IsRootEnumerated(VARIANT_BOOL *pVal)
{
HANDLE hMachine;
ULONG status = 0;
ULONG problem = 0;
HRESULT hr = GetRemoteMachine(&hMachine);
if(FAILED(hr)) {
return hr;
}
if(CM_Get_DevNode_Status_Ex(&status,&problem,DevInfoData.DevInst,0,hMachine)!=CR_SUCCESS) {
return E_UNEXPECTED;
}
if(status & DN_ROOT_ENUMERATED) {
*pVal = VARIANT_TRUE;
} else {
*pVal = VARIANT_FALSE;
}
return S_OK;
}
STDMETHODIMP CDevice::get_IsDisableable(VARIANT_BOOL *pVal)
{
HANDLE hMachine;
ULONG status = 0;
ULONG problem = 0;
HRESULT hr = GetRemoteMachine(&hMachine);
if(FAILED(hr)) {
return hr;
}
if(CM_Get_DevNode_Status_Ex(&status,&problem,DevInfoData.DevInst,0,hMachine)!=CR_SUCCESS) {
return E_UNEXPECTED;
}
if(status & DN_DISABLEABLE) {
*pVal = VARIANT_TRUE;
} else {
*pVal = VARIANT_FALSE;
}
return S_OK;
}
STDMETHODIMP CDevice::get_IsRemovable(VARIANT_BOOL *pVal)
{
HANDLE hMachine;
ULONG status = 0;
ULONG problem = 0;
HRESULT hr = GetRemoteMachine(&hMachine);
if(FAILED(hr)) {
return hr;
}
if(CM_Get_DevNode_Status_Ex(&status,&problem,DevInfoData.DevInst,0,hMachine)!=CR_SUCCESS) {
return E_UNEXPECTED;
}
if(status & DN_REMOVABLE) {
*pVal = VARIANT_TRUE;
} else {
*pVal = VARIANT_FALSE;
}
return S_OK;
}
BOOL CDevice::SameAs(LPWSTR str)
{
BSTR pThisStr;
HRESULT hr = get_InstanceId(&pThisStr);
if(FAILED(hr)) {
return FALSE;
}
BOOL f = _wcsicmp(str,pThisStr)==0;
SysFreeString(pThisStr);
return f;
}
STDMETHODIMP CDevice::RegRead(BSTR key,VARIANT * pValue)
{
HKEY hParentKey;
HKEY hKey;
LPCWSTR val;
LPWSTR subkey;
LONG regerr;
DWORD regType;
DWORD regSize;
LPBYTE pByte;
if(!pValue) {
return E_INVALIDARG;
}
VariantInit(pValue);
HRESULT hr = SubKeyInfo(key,&hParentKey,&subkey,&val,FALSE);
if(FAILED(hr)) {
return hr;
}
//
// now work out and marshell data
//
if(subkey) {
regerr = RegOpenKeyEx(hParentKey,subkey,0,KEY_READ,&hKey);
delete [] subkey;
RegCloseKey(hParentKey);
if(regerr != NO_ERROR) {
return HRESULT_FROM_SETUPAPI(regerr);
}
} else {
hKey = hParentKey;
}
regSize = 0;
regerr = RegQueryValueEx(hKey,val,NULL,&regType,NULL,&regSize);
if(regerr != NO_ERROR) {
RegCloseKey(hKey);
return HRESULT_FROM_SETUPAPI(regerr);
}
pByte = new BYTE[regSize+sizeof(WCHAR)*2];
if(!pByte) {
RegCloseKey(hKey);
return E_OUTOFMEMORY;
}
regerr = RegQueryValueEx(hKey,val,NULL,&regType,pByte,&regSize);
RegCloseKey(hKey);
if(regerr != NO_ERROR) {
delete [] pByte;
return HRESULT_FROM_SETUPAPI(regerr);
}
switch(regType) {
case REG_DWORD:
if(regSize != 4) {
delete [] pByte;
return DISP_E_TYPEMISMATCH;
}
V_VT(pValue) = VT_UI4;
V_UI4(pValue) = *(DWORD*)pByte;
break;
case REG_BINARY:
switch(regSize) {
case 1:
V_VT(pValue) = VT_UI1;
V_UI1(pValue) = *((BYTE*)pByte);
break;
case 2:
V_VT(pValue) = VT_UI2;
V_UI2(pValue) = *((WORD*)pByte);
break;
case 4:
V_VT(pValue) = VT_UI4;
V_UI4(pValue) = *((DWORD*)pByte);
break;
default:
delete [] pByte;
return DISP_E_TYPEMISMATCH;
}
break;
case REG_SZ:
ZeroMemory(pByte+regSize,sizeof(WCHAR)*1);
V_VT(pValue) = VT_BSTR;
V_BSTR(pValue) = SysAllocString((LPWSTR)pByte);
if(!V_BSTR(pValue)) {
delete [] pByte;
return E_OUTOFMEMORY;
}
break;
case REG_MULTI_SZ: {
ZeroMemory(pByte+regSize,sizeof(WCHAR)*2);
CComObject<CStrings> *pStringTemp = NULL;
hr = CComObject<CStrings>::CreateInstance(&pStringTemp);
if(FAILED(hr)) {
delete [] pByte;
return hr;
}
CComPtr<IStrings> stringTempPtr = pStringTemp; // handle ref-counting
hr = pStringTemp->FromMultiSz((LPWSTR)pByte);
if(FAILED(hr)) {
delete [] pByte;
return hr;
}
V_VT(pValue) = VT_DISPATCH;
V_DISPATCH(pValue) = stringTempPtr.Detach();
}
break;
case REG_EXPAND_SZ:
ZeroMemory(pByte+regSize,sizeof(WCHAR)*1);
regSize = ExpandEnvironmentStrings((LPWSTR)pByte,NULL,0);
if(regSize == 0) {
V_VT(pValue) = VT_BSTR;
V_BSTR(pValue) = SysAllocString((LPWSTR)pByte);
} else {
LPWSTR pExp = new WCHAR[regSize+1];
if(!pExp) {
delete [] pByte;
return E_OUTOFMEMORY;
}
regSize = ExpandEnvironmentStrings((LPWSTR)pByte,NULL,regSize);
V_VT(pValue) = VT_BSTR;
V_BSTR(pValue) = SysAllocString(pExp);
delete [] pExp;
}
if(!V_BSTR(pValue)) {
delete [] pByte;
return E_OUTOFMEMORY;
}
break;
default:
delete [] pByte;
return HRESULT_FROM_SETUPAPI(regerr);
}
delete [] pByte;
return S_OK;
}
STDMETHODIMP CDevice::RegWrite(BSTR key, VARIANT val, VARIANT strType)
{
HKEY hParentKey;
HKEY hKey;
LPCWSTR valname;
LPWSTR subkey;
LONG regerr;
CComVariant strType_v;
CComVariant val_v;
LPCWSTR pType;
HRESULT hr;
DWORD dwType;
BOOL DetermineType = FALSE;
LPBYTE pData = NULL;
LPWSTR pString = NULL;
DWORD DataSize = 0;
BYTE SimpleData[4];
LPVARIANT pVal = &val;
while(V_VT(pVal) == (VT_BYREF|VT_VARIANT)) {
pVal = V_VARIANTREF(pVal);
}
//
// validate strType
//
hr = GetOptionalString(&strType,strType_v,&pType);
if(FAILED(hr)) {
return hr;
}
if((pType == NULL) || !pType[0]) {
//
// determine type of variant
//
if(IsNumericVariant(pVal)) {
dwType = REG_DWORD;
} else if(IsMultiValueVariant(pVal)) {
dwType = REG_MULTI_SZ;
} else {
dwType = REG_SZ;
}
} else if(_wcsicmp(pType,L"REG_DWORD")==0) {
dwType = REG_DWORD;
} else if(_wcsicmp(pType,L"REG_SZ")==0) {
dwType = REG_SZ;
} else if(_wcsicmp(pType,L"REG_EXPAND_SZ")==0) {
dwType = REG_EXPAND_SZ;
} else if(_wcsicmp(pType,L"REG_MULTI_SZ")==0) {
dwType = REG_MULTI_SZ;
} else if(_wcsicmp(pType,L"REG_BINARY")==0) {
dwType = REG_BINARY;
} else {
return DISP_E_TYPEMISMATCH;
}
//
// build up value data
//
switch(dwType) {
case REG_BINARY:
pData = SimpleData;
switch V_VT(pVal) {
case VT_I1:
case VT_UI1:
*(LPBYTE)pData = V_UI1(pVal);
DataSize = 1;
break;
case VT_I1|VT_BYREF:
case VT_UI1|VT_BYREF:
*(LPBYTE)pData = *V_UI1REF(pVal);
DataSize = 1;
break;
case VT_I2:
case VT_UI2:
*(LPWORD)pData = V_UI2(pVal);
DataSize = 2;
break;
case VT_I2|VT_BYREF:
case VT_UI2|VT_BYREF:
*(LPWORD)pData = *V_UI2REF(pVal);
DataSize = 2;
break;
case VT_I4:
case VT_UI4:
*(LPDWORD)pData = V_UI4(pVal);
DataSize = 4;
break;
case VT_I4|VT_BYREF:
case VT_UI4|VT_BYREF:
*(LPDWORD)pData = *V_UI4REF(pVal);
DataSize = 4;
break;
default:
return DISP_E_TYPEMISMATCH;
}
break;
case REG_DWORD:
pData = SimpleData;
hr = val_v.ChangeType(VT_UI4,pVal);
if(FAILED(hr)) {
return DISP_E_TYPEMISMATCH;
}
*(LPDWORD)pData = V_UI4(pVal);
DataSize = 4;
break;
case REG_SZ:
case REG_EXPAND_SZ:
hr = val_v.ChangeType(VT_BSTR,pVal);
if(FAILED(hr)) {
return DISP_E_TYPEMISMATCH;
}
DataSize = (SysStringLen(V_BSTR(&val_v))+1);
pString = new WCHAR[DataSize];
if(!pString) {
return E_OUTOFMEMORY;
}
pData = (LPBYTE)pString;
DataSize *= sizeof(WCHAR);
memcpy(pData,V_BSTR(&val_v),DataSize);
break;
case REG_MULTI_SZ: {
CComObject<CStrings> *pStringTemp = NULL;
hr = CComObject<CStrings>::CreateInstance(&pStringTemp);
if(FAILED(hr)) {
return hr;
}
CComPtr<IStrings> pStringTempPtr = pStringTemp; // for ref-counting
hr = pStringTemp->InternalInsert(0,pVal);
if(FAILED(hr)) {
return hr;
}
hr = pStringTemp->GetMultiSz(&pString,&DataSize);
if(FAILED(hr)) {
return hr;
}
pData = (LPBYTE)pString;
DataSize *= sizeof(WCHAR);
}
break;
default:
return DISP_E_TYPEMISMATCH;
}
hr = SubKeyInfo(key,&hParentKey,&subkey,&valname,TRUE);
if(FAILED(hr)) {
if(pString) {
delete [] pString;
}
return hr;
}
if(subkey) {
regerr = RegCreateKeyEx(hParentKey,subkey,0,NULL,0,KEY_WRITE,NULL,&hKey,NULL);
delete [] subkey;
RegCloseKey(hParentKey);
if(regerr != NO_ERROR) {
if(pString) {
delete [] pString;
}
return HRESULT_FROM_SETUPAPI(regerr);
}
} else {
hKey = hParentKey;
}
regerr = RegSetValueEx(hKey,valname,0,dwType,pData,DataSize);
if(pString) {
delete [] pString;
}
RegCloseKey(hKey);
if(regerr != NO_ERROR) {
return HRESULT_FROM_SETUPAPI(regerr);
}
return S_OK;
}
STDMETHODIMP CDevice::RegDelete(BSTR key)
{
HKEY hParentKey;
HKEY hKey;
LPCWSTR valname;
LPWSTR subkey;
LONG regerr;
HRESULT hr = SubKeyInfo(key,&hParentKey,&subkey,&valname,TRUE);
if(FAILED(hr)) {
return hr;
}
if(subkey) {
regerr = RegOpenKeyEx(hParentKey,subkey,0,KEY_WRITE,&hKey);
delete [] subkey;
RegCloseKey(hParentKey);
if(regerr != NO_ERROR) {
return HRESULT_FROM_SETUPAPI(regerr);
}
} else {
hKey = hParentKey;
}
regerr = RegDeleteValue(hKey,valname);
RegCloseKey(hKey);
if(regerr != NO_ERROR) {
return HRESULT_FROM_SETUPAPI(regerr);
}
return S_OK;
}
HRESULT CDevice::SubKeyInfo(LPCWSTR subkey, HKEY *hKey, LPWSTR *pSubKey,LPCWSTR *pKeyVal,BOOL writeable)
{
//
// first 3 chars of subkey can be "SW\" or "HW\"
//
LPCWSTR partkey;
DWORD Scope = DICS_FLAG_GLOBAL;
DWORD HwProfile = 0;
DWORD KeyType;
HKEY hParentKey;
LPWSTR keyname;
LPCWSTR keyval;
size_t len;
if(!DevInfoData.cbSize) {
return E_INVALIDARG;
}
HDEVINFO hDevInfo = GetDevInfoSet();
if(hDevInfo == INVALID_HANDLE_VALUE) {
return E_UNEXPECTED;
}
if((subkey[0] == L'S' || subkey[0] == L's')
&&(subkey[1] == L'W' || subkey[1] == L'w')
&&(subkey[2] == L'\\')) {
partkey = subkey+3;
KeyType = DIREG_DRV;
} else if((subkey[0] == L'H' || subkey[0] == L'h')
&&(subkey[1] == L'W' || subkey[1] == L'w')
&&(subkey[2] == L'\\')) {
partkey = subkey+3;
KeyType = DIREG_DEV;
} else {
return E_INVALIDARG;
}
hParentKey = SetupDiOpenDevRegKey(hDevInfo,
&DevInfoData,
Scope,
HwProfile,
KeyType,
writeable ? KEY_WRITE: KEY_READ
);
if((hParentKey == NULL) || (hParentKey == INVALID_HANDLE_VALUE)) {
DWORD Err = GetLastError();
return HRESULT_FROM_SETUPAPI(Err);
}
//
// determine value part of key
//
keyval = wcsrchr(partkey,L'\\');
if(!keyval) {
*hKey = hParentKey;
*pKeyVal = partkey[0] ? partkey : NULL;
*pSubKey = NULL;
return S_OK;
}
len = keyval-partkey+1;
keyname = new WCHAR[len];
if(!keyname) {
RegCloseKey(hParentKey);
return E_OUTOFMEMORY;
}
wcsncpy(keyname,partkey,len);
keyname[len-1] = 0;
keyval++;
if(!keyval[0]) {
keyval = NULL;
}
*hKey = hParentKey;
*pSubKey = keyname;
*pKeyVal = keyval;
return S_OK;
}
STDMETHODIMP CDevice::CurrentDriverPackage(LPDISPATCH *pDriver)
{
*pDriver = NULL;
//
// create a search set for finding current driver
//
HRESULT hr;
if(!DevInfoData.cbSize) {
return E_INVALIDARG;
}
HDEVINFO hDevInfo = GetDevInfoSet();
if(hDevInfo == INVALID_HANDLE_VALUE) {
return E_UNEXPECTED;
}
HANDLE remote;
if(SUCCEEDED(GetRemoteMachine(&remote)) && remote) {
//
// remote driver search not implemented
//
return E_NOTIMPL;
}
CComObject<CDrvSearchSet> *pSet = NULL;
hr = CComObject<CDrvSearchSet>::CreateInstance(&pSet);
if(FAILED(hr)) {
return hr;
}
CComPtr<IDrvSearchSet> pSetPtr = pSet; // for ref-counting
hr = pSet->Init(this,SPDIT_CLASSDRIVER);
if(FAILED(hr)) {
return hr;
}
//
// use temporary device information
//
HDEVINFO SetDevInfo = pSet->GetDevInfoSet();
PSP_DEVINFO_DATA SetDevInfoData = pSet->GetDevInfoData();
//
// WinXP has a nice feature for obtaining current driver
//
DWORD Err;
SP_DEVINSTALL_PARAMS DeviceInstallParams;
SP_DRVINFO_DATA DriverInfoData;
ZeroMemory(&DeviceInstallParams, sizeof(DeviceInstallParams));
ZeroMemory(&DriverInfoData, sizeof(DriverInfoData));
DeviceInstallParams.cbSize = sizeof(SP_DEVINSTALL_PARAMS);
DriverInfoData.cbSize = sizeof(SP_DRVINFO_DATA);
if(!SetupDiGetDeviceInstallParams(SetDevInfo, SetDevInfoData, &DeviceInstallParams)) {
Err = GetLastError();
return HRESULT_FROM_SETUPAPI(Err);
}
//
// Set the flags that tell SetupDiBuildDriverInfoList to just put the currently installed
// driver node in the list, and that it should allow excluded drivers.
//
DeviceInstallParams.FlagsEx |= (DI_FLAGSEX_INSTALLEDDRIVER | DI_FLAGSEX_ALLOWEXCLUDEDDRVS);
if(SetupDiSetDeviceInstallParams(SetDevInfo, SetDevInfoData, &DeviceInstallParams)
&& SetupDiBuildDriverInfoList(SetDevInfo, SetDevInfoData, SPDIT_CLASSDRIVER)) {
if(!SetupDiEnumDriverInfo(SetDevInfo,SetDevInfoData,SPDIT_CLASSDRIVER,0,&DriverInfoData)) {
//
// flag recognized, but no driver
//
return S_OK;
}
//
// DriverInfoData contains driver
//
} else {
//
// get information about a driver to do a full search
//
WCHAR SectionName[LINE_LEN];
WCHAR DrvDescription[LINE_LEN];
HKEY hKey = NULL;
DWORD RegDataLength;
DWORD RegDataType;
long regerr;
//
// get driver key - if it doesn't exist, no driver
//
hKey = SetupDiOpenDevRegKey(SetDevInfo,
SetDevInfoData,
DICS_FLAG_GLOBAL,
0,
DIREG_DRV,
KEY_READ
);
if(hKey == INVALID_HANDLE_VALUE) {
//
// no such value exists, so we haven't an associated driver
//
RegCloseKey(hKey);
return S_OK;
}
//
// obtain path of INF
//
RegDataLength = sizeof(DeviceInstallParams.DriverPath); // want in bytes, not chars
regerr = RegQueryValueEx(hKey,
REGSTR_VAL_INFPATH,
NULL,
&RegDataType,
(PBYTE)DeviceInstallParams.DriverPath,
&RegDataLength
);
if((regerr != ERROR_SUCCESS) || (RegDataType != REG_SZ)) {
//
// no such value exists, so we haven't an associated driver
//
RegCloseKey(hKey);
return S_OK;
}
RegDataLength = sizeof(DriverInfoData.ProviderName);
regerr = RegQueryValueEx(hKey,
REGSTR_VAL_PROVIDER_NAME,
NULL,
&RegDataType,
(PBYTE)DriverInfoData.ProviderName,
&RegDataLength
);
if((regerr != ERROR_SUCCESS) || (RegDataType != REG_SZ)) {
//
// no such value exists, so we don't have a valid associated driver
//
RegCloseKey(hKey);
return S_OK;
}
RegDataLength = sizeof(SectionName);
regerr = RegQueryValueEx(hKey,
REGSTR_VAL_INFSECTION,
NULL,
&RegDataType,
(PBYTE)SectionName,
&RegDataLength
);
if((regerr != ERROR_SUCCESS) || (RegDataType != REG_SZ)) {
//
// no such value exists, so we don't have a valid associated driver
//
RegCloseKey(hKey);
return S_OK;
}
//
// driver description is usually same as original device description
// but sometimes obtained from strings section
//
RegDataLength = sizeof(DrvDescription);
regerr = RegQueryValueEx(hKey,
REGSTR_VAL_DRVDESC,
NULL,
&RegDataType,
(PBYTE)DrvDescription,
&RegDataLength
);
RegCloseKey(hKey);
if((regerr != ERROR_SUCCESS) || (RegDataType != REG_SZ)) {
//
// no such value exists, so we don't have a valid associated driver
//
return S_OK;
}
//
// Manufacturer
//
if(!SetupDiGetDeviceRegistryProperty(SetDevInfo,
SetDevInfoData,
SPDRP_MFG,
NULL, // datatype is guaranteed to always be REG_SZ.
(PBYTE)DriverInfoData.MfgName,
sizeof(DriverInfoData.MfgName),
NULL)) {
//
// no such value exists, so we don't have a valid associated driver
//
return S_OK;
}
//
// Description
//
if(!SetupDiGetDeviceRegistryProperty(SetDevInfo,
SetDevInfoData,
SPDRP_DEVICEDESC,
NULL, // datatype is guaranteed to always be REG_SZ.
(PBYTE)DriverInfoData.Description,
sizeof(DriverInfoData.Description),
NULL)) {
//
// no such value exists, so we don't have a valid associated driver
//
return S_OK;
}
//
// now search for drivers listed in the INF
//
//
DeviceInstallParams.Flags |= DI_ENUMSINGLEINF;
DeviceInstallParams.FlagsEx &= ~DI_FLAGSEX_INSTALLEDDRIVER;
DeviceInstallParams.FlagsEx |= DI_FLAGSEX_ALLOWEXCLUDEDDRVS;
if(!SetupDiSetDeviceInstallParams(SetDevInfo, SetDevInfoData, &DeviceInstallParams)) {
Err = GetLastError();
return HRESULT_FROM_SETUPAPI(Err);
}
if(!SetupDiBuildDriverInfoList(SetDevInfo, SetDevInfoData, SPDIT_CLASSDRIVER)) {
return S_OK;
}
//
// enumerate drivers to find a good match
//
SP_DRVINFO_DATA ThisDriverInfoData;
ZeroMemory(&ThisDriverInfoData, sizeof(ThisDriverInfoData));
ThisDriverInfoData.cbSize = sizeof(SP_DRVINFO_DATA);
DWORD c;
BOOL match = FALSE;
for(c=0;SetupDiEnumDriverInfo(SetDevInfo,SetDevInfoData,SPDIT_CLASSDRIVER,c,&ThisDriverInfoData);c++) {
if((_wcsicmp(DriverInfoData.MfgName,ThisDriverInfoData.MfgName)==0)
&&(_wcsicmp(DriverInfoData.ProviderName,ThisDriverInfoData.ProviderName)==0)) {
//
// these two fields match, try more detailed info
//
SP_DRVINFO_DETAIL_DATA detail;
detail.cbSize = sizeof(SP_DRVINFO_DETAIL_DATA);
if(!SetupDiGetDriverInfoDetail(SetDevInfo,SetDevInfoData,&ThisDriverInfoData,&detail,sizeof(detail),NULL)) {
Err = GetLastError();
if((Err != NO_ERROR) && (Err != ERROR_INSUFFICIENT_BUFFER)) {
continue;
}
}
if((_wcsicmp(SectionName,detail.SectionName)==0) &&
(_wcsicmp(DrvDescription,detail.DrvDescription)==0)) {
DriverInfoData = ThisDriverInfoData;
match = TRUE;
break;
}
}
}
if(!match) {
return S_OK;
}
}
//
// create the driver object
//
CComObject<CDriverPackage> *driver = NULL;
hr = CComObject<CDriverPackage>::CreateInstance(&driver);
if(FAILED(hr)) {
return hr;
}
CComPtr<IDriverPackage> driverPtr = driver; // for ref-counting
hr = driver->Init(pSet,&DriverInfoData);
if(FAILED(hr)) {
return hr;
}
*pDriver = driverPtr.Detach();
return S_OK;
}
STDMETHODIMP CDevice::FindDriverPackages(VARIANT ScriptPath, LPDISPATCH *pDriversOut)
{
*pDriversOut = NULL;
//
// Treat variant as a multi-sz array if it exists
//
CComObject<CStrings> *pStrings = NULL;
CComPtr<IStrings> pStringsPtr;
CComObject<CDrvSearchSet> *pSet = NULL;
CComPtr<IDrvSearchSet> pSetPtr;
CComObject<CDriverPackages> *pDrivers = NULL;
CComPtr<IDriverPackages> pDriversPtr;
CComObject<CDriverPackage> *pDriver = NULL;
CComPtr<IDriverPackage> pDriverPtr;
HRESULT hr;
if(!IsNoArg(&ScriptPath)) {
hr = CComObject<CStrings>::CreateInstance(&pStrings);
if(FAILED(hr)) {
return hr;
}
pStringsPtr = pStrings;
hr = pStrings->InternalInsert(0,&ScriptPath);
if(FAILED(hr)) {
return hr;
}
}
//
// create context for driver search
//
hr = CComObject<CDrvSearchSet>::CreateInstance(&pSet);
if(FAILED(hr)) {
return hr;
}
pSetPtr = pSet;
hr = pSet->Init(this,SPDIT_COMPATDRIVER);
if(FAILED(hr)) {
return hr;
}
//
// use temporary device information
//
HDEVINFO SetDevInfo = pSet->GetDevInfoSet();
PSP_DEVINFO_DATA SetDevInfoData = pSet->GetDevInfoData();
DWORD Err;
SP_DEVINSTALL_PARAMS DeviceInstallParams;
SP_DRVINFO_DATA DriverInfoData;
DWORD c;
ZeroMemory(&DeviceInstallParams, sizeof(DeviceInstallParams));
ZeroMemory(&DriverInfoData, sizeof(DriverInfoData));
DeviceInstallParams.cbSize = sizeof(SP_DEVINSTALL_PARAMS);
DriverInfoData.cbSize = sizeof(SP_DRVINFO_DATA);
if(!SetupDiGetDeviceInstallParams(SetDevInfo, SetDevInfoData, &DeviceInstallParams)) {
Err = GetLastError();
return HRESULT_FROM_SETUPAPI(Err);
}
//
// Do a search in standard directories.
//
DeviceInstallParams.FlagsEx |= DI_FLAGSEX_ALLOWEXCLUDEDDRVS;
BOOL done_wild = FALSE;
BSTR str;
for(c=0,str=NULL;(pStrings==NULL) || (pStrings->InternalEnum(c,&str));c++) {
if(str && str[0] && ((str[0] != '*') || str[1])) {
DWORD attr = GetFileAttributes(str);
if(attr == (DWORD)(-1)) {
continue;
}
DWORD sz = GetFullPathName(str,MAX_PATH,DeviceInstallParams.DriverPath,NULL);
if(sz >= MAX_PATH) {
DeviceInstallParams.DriverPath[0] = '\0';
continue;
}
if(!(attr & FILE_ATTRIBUTE_DIRECTORY)) {
DeviceInstallParams.FlagsEx |= DI_ENUMSINGLEINF;
}
} else if(done_wild) {
continue;
} else {
done_wild = TRUE;
}
if(!SetupDiSetDeviceInstallParams(SetDevInfo, SetDevInfoData, &DeviceInstallParams)) {
Err = GetLastError();
hr = HRESULT_FROM_SETUPAPI(Err);
goto final;
}
if(!SetupDiBuildDriverInfoList(SetDevInfo, SetDevInfoData, SPDIT_COMPATDRIVER)) {
Err = GetLastError();
hr = HRESULT_FROM_SETUPAPI(Err);
goto final;
}
SetupDiGetDeviceInstallParams(SetDevInfo, SetDevInfoData, &DeviceInstallParams);
DeviceInstallParams.FlagsEx |= DI_FLAGSEX_APPENDDRIVERLIST;
DeviceInstallParams.FlagsEx &= ~DI_ENUMSINGLEINF;
DeviceInstallParams.DriverPath[0] = '\0';
}
//
// now create the collection to hold search results
//
hr = CComObject<CDriverPackages>::CreateInstance(&pDrivers);
if(FAILED(hr)) {
pDrivers = NULL;
goto final;
}
pDriversPtr = pDrivers;
hr = pDrivers->Init(pSet);
if(FAILED(hr)) {
goto final;
}
for(c=0;SetupDiEnumDriverInfo(SetDevInfo,SetDevInfoData,SPDIT_COMPATDRIVER,c,&DriverInfoData);c++) {
//
// create the driver object
//
hr = CComObject<CDriverPackage>::CreateInstance(&pDriver);
if(FAILED(hr)) {
goto final;
}
pDriverPtr = pDriver;
hr = pDriver->Init(pSet,&DriverInfoData);
if(FAILED(hr)) {
goto final;
}
hr = pDrivers->InternalAdd(pDriver);
if(FAILED(hr)) {
goto final;
}
}
final:
if(FAILED(hr)) {
return hr;
}
*pDriversOut = pDriversPtr.Detach();
return S_OK;
}
STDMETHODIMP CDevice::HasInterface(BSTR Interface, VARIANT_BOOL *pFlag)
{
//
// create a search set for finding current driver
//
HRESULT hr;
if(!DevInfoData.cbSize) {
return E_INVALIDARG;
}
HDEVINFO hDevInfo = GetDevInfoSet();
if(hDevInfo == INVALID_HANDLE_VALUE) {
return E_UNEXPECTED;
}
GUID guid;
hr = CLSIDFromString(Interface,&guid);
if(FAILED(hr)) {
return hr;
}
SP_DEVICE_INTERFACE_DATA data;
ZeroMemory(&data,sizeof(data));
data.cbSize = sizeof(data);
BOOL f = SetupDiEnumDeviceInterfaces(hDevInfo,&DevInfoData,&guid,0,&data);
DWORD Err = GetLastError();
*pFlag = f? VARIANT_TRUE: VARIANT_FALSE;
return S_OK;
}
STDMETHODIMP CDevice::get_Machine(BSTR *pVal)
{
*pVal = NULL;
HDEVINFO hDevInfo = GetDevInfoSet();
if(hDevInfo == INVALID_HANDLE_VALUE) {
return E_UNEXPECTED;
}
SP_DEVINFO_LIST_DETAIL_DATA devInfoListDetail;
devInfoListDetail.cbSize = sizeof(devInfoListDetail);
if(!SetupDiGetDeviceInfoListDetail(hDevInfo,&devInfoListDetail)) {
DWORD Err = GetLastError();
return HRESULT_FROM_SETUPAPI(Err);
}
if((devInfoListDetail.RemoteMachineHandle == NULL) || !devInfoListDetail.RemoteMachineName[0]) {
*pVal = SysAllocString(L"");
if(*pVal) {
return S_FALSE;
}
} else {
*pVal = SysAllocString(devInfoListDetail.RemoteMachineName);
if(*pVal) {
return S_OK;
}
}
return E_OUTOFMEMORY;
}
STDMETHODIMP CDevice::get__ClassGuid(GUID *pVal)
{
WCHAR ClassGuid[40];
HRESULT hr;
if(!DevInfoData.cbSize) {
return E_INVALIDARG;
}
HDEVINFO hDevInfo = GetDevInfoSet();
if(hDevInfo == INVALID_HANDLE_VALUE) {
return E_UNEXPECTED;
}
DWORD reqSize;
if(!SetupDiGetDeviceRegistryProperty(hDevInfo,
&DevInfoData,
SPDRP_CLASSGUID,
NULL,
(LPBYTE)ClassGuid,
sizeof(ClassGuid),
&reqSize)) {
DWORD Err = GetLastError();
return HRESULT_FROM_SETUPAPI(Err);
}
hr = CLSIDFromString(ClassGuid,pVal);
if(FAILED(hr)) {
return hr;
}
return S_OK;
}
STDMETHODIMP CDevice::get__Machine(BSTR *pVal)
{
return get_Machine(pVal);
}