windows-nt/Source/XPSP1/NT/base/pnp/tools/devcon2/setupclass.cpp

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2020-09-26 03:20:57 -05:00
// SetupClass.cpp : Implementation of CSetupClass
#include "stdafx.h"
#include "DevCon2.h"
#include "SetupClass.h"
#include "devices.h"
#include "utils.h"
#include "xStrings.h"
/////////////////////////////////////////////////////////////////////////////
// CSetupClass
CSetupClass::~CSetupClass()
{
if(pMachine) {
SysFreeString(pMachine);
}
}
HRESULT CSetupClass::Init(GUID *pGuid,LPWSTR Machine, IDeviceConsole *pDevCon)
{
ClassGuid = *pGuid;
if(pMachine) {
SysFreeString(pMachine);
}
if(Machine) {
pMachine = SysAllocString(Machine);
if(!pMachine) {
return E_OUTOFMEMORY;
}
} else {
pMachine = NULL;
}
DeviceConsole = pDevCon;
return S_OK;
}
BOOL CSetupClass::IsDuplicate(GUID *pCheck)
{
//
// only valid if pMachine/DeviceConsole known to be same
//
return memcmp(&ClassGuid,pCheck,sizeof(GUID)) ? FALSE : TRUE;
}
STDMETHODIMP CSetupClass::get_Name(BSTR *pVal)
{
HRESULT hr;
DWORD Err;
LPWSTR Buffer;
DWORD BuffSize=128;
DWORD ReqSize;
for(;;) {
Buffer = new WCHAR[BuffSize];
if(!Buffer) {
return E_OUTOFMEMORY;
}
if(SetupDiClassNameFromGuidEx(&ClassGuid,Buffer,BuffSize,&ReqSize,pMachine,NULL)) {
*pVal = SysAllocString(Buffer);
delete [] Buffer;
if(!*pVal) {
return E_OUTOFMEMORY;
}
return S_OK;
}
Err = GetLastError();
delete [] Buffer;
if(Err != ERROR_INSUFFICIENT_BUFFER) {
hr = HRESULT_FROM_SETUPAPI(Err);
return hr;
}
BuffSize = ReqSize+2;
}
return S_OK;
}
STDMETHODIMP CSetupClass::get_Description(BSTR *pVal)
{
HRESULT hr;
DWORD Err;
LPWSTR Buffer;
DWORD BuffSize=128;
DWORD ReqSize;
for(;;) {
Buffer = new WCHAR[BuffSize];
if(!Buffer) {
return E_OUTOFMEMORY;
}
if(SetupDiGetClassDescriptionEx(&ClassGuid,Buffer,BuffSize,&ReqSize,pMachine,NULL)) {
*pVal = SysAllocString(Buffer);
delete [] Buffer;
if(!*pVal) {
return E_OUTOFMEMORY;
}
return S_OK;
}
Err = GetLastError();
delete [] Buffer;
if(Err != ERROR_INSUFFICIENT_BUFFER) {
hr = HRESULT_FROM_SETUPAPI(Err);
return hr;
}
BuffSize = ReqSize+2;
}
return S_OK;
}
STDMETHODIMP CSetupClass::Devices(VARIANT flags,LPDISPATCH * pDevices)
{
DWORD diflags = 0;
HRESULT hr;
HDEVINFO hDevInfo;
DWORD Err;
hr = TranslateDeviceFlags(&flags,&diflags);
if(FAILED(hr)) {
return hr;
}
hDevInfo = SetupDiGetClassDevsEx(&ClassGuid,NULL,NULL,diflags,NULL,pMachine,NULL);
if(hDevInfo == INVALID_HANDLE_VALUE) {
Err = GetLastError();
return HRESULT_FROM_SETUPAPI(Err);
}
CComObject<CDevices> *d;
hr = CComObject<CDevices>::CreateInstance(&d);
if(FAILED(hr)) {
SetupDiDestroyDeviceInfoList(hDevInfo);
return hr;
}
d->AddRef();
hr = d->Init(hDevInfo,DeviceConsole);
if(FAILED(hr)) {
d->Release();
return hr;
}
*pDevices = d;
return S_OK;
}
STDMETHODIMP CSetupClass::CreateEmptyDeviceList(LPDISPATCH *pDevices)
{
HRESULT hr;
HDEVINFO hDevInfo;
DWORD Err;
hDevInfo = SetupDiCreateDeviceInfoListEx(&ClassGuid,
NULL,
pMachine,
NULL);
if(hDevInfo == INVALID_HANDLE_VALUE) {
Err = GetLastError();
return HRESULT_FROM_SETUPAPI(Err);
}
CComObject<CDevices> *d;
hr = CComObject<CDevices>::CreateInstance(&d);
if(FAILED(hr)) {
SetupDiDestroyDeviceInfoList(hDevInfo);
return hr;
}
d->AddRef();
hr = d->Init(hDevInfo,DeviceConsole);
if(FAILED(hr)) {
d->Release();
return hr;
}
*pDevices = d;
return S_OK;
}
STDMETHODIMP CSetupClass::get_Guid(BSTR *pVal)
{
LPOLESTR pStr;
HRESULT hr = StringFromCLSID(ClassGuid,&pStr);
if(FAILED(hr)) {
return hr;
}
*pVal = SysAllocString(pStr);
CoTaskMemFree(pStr);
if(!*pVal) {
return E_OUTOFMEMORY;
}
return S_OK;
}
GUID* CSetupClass::Guid()
{
return &ClassGuid;
}
STDMETHODIMP CSetupClass::get_Machine(BSTR *pVal)
{
if((pMachine == NULL) || !pMachine[0]) {
*pVal = SysAllocString(L"");
if(*pVal) {
return S_FALSE;
}
} else {
*pVal = SysAllocString(pMachine);
if(*pVal) {
return S_OK;
}
}
*pVal = NULL;
return E_OUTOFMEMORY;
}
STDMETHODIMP CSetupClass::get__ClassGuid(GUID *pVal)
{
*pVal = ClassGuid;
return S_OK;
}
STDMETHODIMP CSetupClass::get__Machine(BSTR *pVal)
{
return get_Machine(pVal);
return S_OK;
}
HRESULT CSetupClass::GetClassProperty(DWORD prop, VARIANT *pVal)
{
#if 0
//
// 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(SetupDiGetClassRegistryProperty(&ClassGuid,prop,&dataType,buffer,size,&reqSize,pMachine,NULL)) {
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;
}
strings->AddRef();
LPWSTR p;
UINT len = 0;
for(p = (LPWSTR)buffer;*p;p+=len+1) {
len = wcslen(p);
hr = strings->InternalAdd(p,len);
if(FAILED(hr)) {
strings->Release();
break;
}
}
V_VT(pVal) = VT_DISPATCH;
V_DISPATCH(pVal) = strings;
hr = S_OK;
}
break;
default:
hr = E_INVALIDARG;
break;
}
delete [] buffer;
return hr;
#endif
return E_NOTIMPL;
}
HRESULT CSetupClass::PutClassPropertyString(DWORD prop, VARIANT *pVal)
{
#if 0
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(SetupDiSetClassRegistryProperty(&ClassGuid,
prop,
data,
len,
pMachine,
NULL)) {
return S_OK;
}
DWORD Err = GetLastError();
return HRESULT_FROM_SETUPAPI(Err);
#endif
return E_NOTIMPL;
}
HRESULT CSetupClass::PutClassPropertyDword(DWORD prop, VARIANT *pVal)
{
#if 0
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(SetupDiSetClassRegistryProperty(&ClassGuid,
prop,
data,
len,
pMachine,
NULL)) {
return S_OK;
}
DWORD Err = GetLastError();
return HRESULT_FROM_SETUPAPI(Err);
#endif
return E_NOTIMPL;
}
HRESULT CSetupClass::PutClassPropertyMultiSz(DWORD prop, VARIANT *pVal)
{
#if 0
//
// build a CStrings collection
//
HRESULT hr;
CComObject<CStrings> *strings = NULL;
DWORD len = 0;
PBYTE data = NULL;
LPWSTR multisz;
if(!IsBlank(pVal)) {
hr = CComObject<CStrings>::CreateInstance(&strings);
if(FAILED(hr)) {
return hr;
}
strings->AddRef();
hr = strings->Add(*pVal);
if(FAILED(hr)) {
strings->Release();
return hr;
}
//
// now obtain multisz from the collection
//
hr = strings->GetMultiSz(&multisz,&len);
strings->Release(); // done with temporary collection
if(FAILED(hr)) {
return hr;
}
//
// now write the multi-sz value to device registry
//
len *= sizeof(WCHAR);
data = (PBYTE)multisz;
}
CONFIGRET cr = CM_Get_Class_Registry_Property(
if(SetupDiSetClassRegistryProperty(&ClassGuid,
prop,
(PBYTE)multisz,
len,
pMachine,
NULL)) {
if(multisz) {
delete [] multisz;
}
return S_OK;
}
DWORD Err = GetLastError();
if(multisz) {
delete [] multisz;
}
return HRESULT_FROM_SETUPAPI(Err);
#endif
return E_NOTIMPL;
}
STDMETHODIMP CSetupClass::get_Security(VARIANT *pVal)
{
return GetClassProperty(SPDRP_SECURITY_SDS,pVal);
}
STDMETHODIMP CSetupClass::put_Security(VARIANT newVal)
{
return PutClassPropertyString(SPDRP_SECURITY_SDS,&newVal);
}
STDMETHODIMP CSetupClass::get_DeviceTypeOverride(VARIANT *pVal)
{
return GetClassProperty(SPDRP_DEVTYPE,pVal);
}
STDMETHODIMP CSetupClass::put_DeviceTypeOverride(VARIANT newVal)
{
return PutClassPropertyDword(SPDRP_DEVTYPE,&newVal);
}
STDMETHODIMP CSetupClass::get_ForceExclusive(VARIANT *pVal)
{
return GetClassProperty(SPDRP_EXCLUSIVE,pVal);
}
STDMETHODIMP CSetupClass::put_ForceExclusive(VARIANT newVal)
{
return PutClassPropertyDword(SPDRP_EXCLUSIVE,&newVal);
}
STDMETHODIMP CSetupClass::get_CharacteristicsOverride(VARIANT *pVal)
{
return GetClassProperty(SPDRP_CHARACTERISTICS,pVal);
}
STDMETHODIMP CSetupClass::put_CharacteristicsOverride(VARIANT newVal)
{
return PutClassPropertyDword(SPDRP_CHARACTERISTICS,&newVal);
}
HRESULT CSetupClass::SubKeyInfo(LPCWSTR subkey, HKEY *hKey, LPWSTR *pSubKey,LPCWSTR *pKeyVal,BOOL writeable)
{
DWORD Scope = DICS_FLAG_GLOBAL;
DWORD HwProfile = 0;
HKEY hParentKey;
LPWSTR keyname;
LPCWSTR keyval;
size_t len;
hParentKey = SetupDiOpenClassRegKeyEx(&ClassGuid,
writeable ? KEY_WRITE: KEY_READ,
DIOCR_INSTALLER,
pMachine,
NULL
);
if((hParentKey == NULL) || (hParentKey == INVALID_HANDLE_VALUE)) {
DWORD Err = GetLastError();
return HRESULT_FROM_SETUPAPI(Err);
}
//
// determine value part of key
//
keyval = wcsrchr(subkey,L'\\');
if(!keyval) {
*hKey = hParentKey;
*pKeyVal = subkey[0] ? subkey : NULL;
*pSubKey = NULL;
return S_OK;
}
len = keyval-subkey+1;
keyname = new WCHAR[len];
if(!keyname) {
RegCloseKey(hParentKey);
return E_OUTOFMEMORY;
}
wcsncpy(keyname,subkey,len);
keyname[len-1] = 0;
keyval++;
if(!keyval[0]) {
keyval = NULL;
}
*hKey = hParentKey;
*pSubKey = keyname;
*pKeyVal = keyval;
return S_OK;
}
STDMETHODIMP CSetupClass::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;
}
pStringTemp->AddRef();
hr = pStringTemp->FromMultiSz((LPWSTR)pByte);
if(FAILED(hr)) {
pStringTemp->Release();
delete [] pByte;
return hr;
}
V_VT(pValue) = VT_DISPATCH;
V_DISPATCH(pValue) = pStringTemp;
}
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 CSetupClass::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;
}
pStringTemp->AddRef();
hr = pStringTemp->InternalInsert(0,pVal);
if(FAILED(hr)) {
pStringTemp->Release();
return hr;
}
hr = pStringTemp->GetMultiSz(&pString,&DataSize);
pStringTemp->Release();
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 CSetupClass::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;
}