Source code of Windows XP (NT5)
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789 lines
18 KiB

#include "precomp.h"
LPWSTR gpszWirelessWMIObject = L"RSOP_IEEE80211PolicySetting";
HRESULT
PolSysAllocString(
BSTR * pbsStr,
const OLECHAR * sz
)
{
*pbsStr = SysAllocString(sz);
if (!pbsStr) {
return E_OUTOFMEMORY;
}
return S_OK;
}
HRESULT
PersistWMIObject(
IWbemServices *pWbemServices,
PWIRELESS_POLICY_OBJECT pWirelessWMIPolicyObject,
PGPO_INFO pGPOInfo
)
{
HRESULT hr;
IWbemClassObject *pWbemWIRELESSObj = NULL;
BSTR bstrWirelessWMIObject = NULL;
// If this first GPO we are writing after a policy
// update, clear the WMI store.
if (pGPOInfo->uiPrecedence == pGPOInfo->uiTotalGPOs) {
hr = DeleteWMIClassObject(
pWbemServices,
gpszWirelessWMIObject
);
BAIL_ON_HRESULT_ERROR(hr);
}
bstrWirelessWMIObject = SysAllocString(gpszWirelessWMIObject);
if(!bstrWirelessWMIObject) {
hr = E_OUTOFMEMORY;
BAIL_ON_HRESULT_ERROR(hr);
}
hr = IWbemServices_GetObject(pWbemServices,
bstrWirelessWMIObject,
WBEM_FLAG_RETURN_WBEM_COMPLETE,
0,
&pWbemWIRELESSObj,
0);
SysFreeString(bstrWirelessWMIObject);
BAIL_ON_HRESULT_ERROR(hr);
hr = PersistPolicyObjectEx(
pWbemServices,
pWbemWIRELESSObj,
pWirelessWMIPolicyObject,
pGPOInfo
);
error:
//close WMI?
if(pWbemWIRELESSObj)
IWbemClassObject_Release(pWbemWIRELESSObj);
return (hr);
}
HRESULT
PersistPolicyObjectEx(
IWbemServices *pWbemServices,
IWbemClassObject *pWbemClassObj,
PWIRELESS_POLICY_OBJECT pWirelessPolicyObject,
PGPO_INFO pGPOInfo
)
{
HRESULT hr = 0;
IWbemClassObject *pInstWIRELESSObj = NULL;
VARIANT var;
VariantInit(&var);
//start
hr = IWbemClassObject_SpawnInstance(
pWbemClassObj,
0,
&pInstWIRELESSObj
);
BAIL_ON_HRESULT_ERROR(hr);
var.vt = VT_BSTR;
var.bstrVal = SKIPL(pWirelessPolicyObject->pszWirelessOwnersReference);
hr = IWbemClassObject_Put(
pInstWIRELESSObj,
L"id",
0,
&var,
0
);
BAIL_ON_HRESULT_ERROR(hr);
hr = PersistComnRSOPPolicySettings(
pInstWIRELESSObj,
pGPOInfo
);
BAIL_ON_HRESULT_ERROR(hr);
var.vt = VT_BSTR;
hr = PolSysAllocString(&var.bstrVal, L"msieee80211-Policy");
BAIL_ON_HRESULT_ERROR(hr);
hr = IWbemClassObject_Put(
pInstWIRELESSObj,
L"ClassName",
0,
&var,
0
);
VariantClear(&var);
BAIL_ON_HRESULT_ERROR(hr);
if (pWirelessPolicyObject->pszDescription) {
var.vt = VT_BSTR;
var.bstrVal = SKIPL(pWirelessPolicyObject->pszDescription);
hr = IWbemClassObject_Put(
pInstWIRELESSObj,
L"description",
0,
&var,
0
);
BAIL_ON_HRESULT_ERROR(hr);
} else {
//delete description?
var.vt = VT_BSTR;
hr = PolSysAllocString(&var.bstrVal, L"");
BAIL_ON_HRESULT_ERROR(hr);
hr = IWbemClassObject_Put(
pInstWIRELESSObj,
L"description",
0,
&var,
0
);
VariantClear(&var);
BAIL_ON_HRESULT_ERROR(hr);
}
if (pWirelessPolicyObject->pszWirelessOwnersReference) {
var.vt = VT_BSTR;
var.bstrVal = SKIPL(pWirelessPolicyObject->pszWirelessOwnersReference);
hr = IWbemClassObject_Put(
pInstWIRELESSObj,
L"name",
0,
&var,
0
);
BAIL_ON_HRESULT_ERROR(hr);
}
if (pWirelessPolicyObject->pszWirelessName) {
var.vt = VT_BSTR;
var.bstrVal = SKIPL(pWirelessPolicyObject->pszWirelessName);
hr = IWbemClassObject_Put(
pInstWIRELESSObj,
L"msieee80211Name",
0,
&var,
0
);
BAIL_ON_HRESULT_ERROR(hr);
}
if (pWirelessPolicyObject->pszWirelessID) {
var.vt = VT_BSTR;
var.bstrVal = SKIPL(pWirelessPolicyObject->pszWirelessID);
hr = IWbemClassObject_Put(
pInstWIRELESSObj,
L"msieee80211ID",
0,
&var,
0
);
BAIL_ON_HRESULT_ERROR(hr);
}
var.vt = VT_I4;
var.lVal = pWirelessPolicyObject->dwWirelessDataType;
hr = IWbemClassObject_Put(
pInstWIRELESSObj,
L"msieee80211DataType",
0,
&var,
0
);
BAIL_ON_HRESULT_ERROR(hr);
if (pWirelessPolicyObject->pWirelessData) {
hr = LogBlobPropertyEx(
pInstWIRELESSObj,
L"msieee80211Data",
pWirelessPolicyObject->pWirelessData,
pWirelessPolicyObject->dwWirelessDataLen
);
BAIL_ON_HRESULT_ERROR(hr);
}
var.vt = VT_I4;
var.lVal = pWirelessPolicyObject->dwWhenChanged;
hr = IWbemClassObject_Put(
pInstWIRELESSObj,
L"whenChanged",
0,
&var,
0
);
BAIL_ON_HRESULT_ERROR(hr);
hr = IWbemServices_PutInstance(
pWbemServices,
pInstWIRELESSObj,
WBEM_FLAG_CREATE_OR_UPDATE,
0,
0
);
BAIL_ON_HRESULT_ERROR(hr);
error:
if (pInstWIRELESSObj) {
IWbemClassObject_Release(pInstWIRELESSObj);
}
return(hr);
}
HRESULT
PersistComnRSOPPolicySettings(
IWbemClassObject * pInstWIRELESSObj,
PGPO_INFO pGPOInfo
)
{
HRESULT hr = S_OK;
VARIANT var;
VariantInit(&var);
var.vt = VT_BSTR;
var.bstrVal = pGPOInfo->bsCreationtime;
hr = IWbemClassObject_Put(
pInstWIRELESSObj,
L"creationTime",
0,
&var,
0
);
BAIL_ON_HRESULT_ERROR(hr);
var.vt = VT_BSTR;
var.bstrVal = pGPOInfo->bsGPOID;
hr = IWbemClassObject_Put(
pInstWIRELESSObj,
L"GPOID",
0,
&var,
0
);
BAIL_ON_HRESULT_ERROR(hr);
var.vt = VT_I4;
var.lVal = pGPOInfo->uiPrecedence;
hr = IWbemClassObject_Put(
pInstWIRELESSObj,
L"precedence",
0,
&var,
0
);
BAIL_ON_HRESULT_ERROR(hr);
var.vt = VT_BSTR;
var.bstrVal = pGPOInfo->bsSOMID;
hr = IWbemClassObject_Put(
pInstWIRELESSObj,
L"SOMID",
0,
&var,
0
);
BAIL_ON_HRESULT_ERROR(hr);
error:
var.vt = VT_EMPTY;
return hr;
}
HRESULT
CloneDirectoryPolicyObjectEx(
PWIRELESS_POLICY_OBJECT pWirelessPolicyObject,
PWIRELESS_POLICY_OBJECT * ppWirelessWMIPolicyObject
)
{
DWORD dwError = 0;
PWIRELESS_POLICY_OBJECT pWirelessWMIPolicyObject = NULL;
LPWSTR pszUniquePolicyName = NULL;
WCHAR szUniquePolicyName[MAX_PATH];
//malloc policy object
pWirelessWMIPolicyObject = (PWIRELESS_POLICY_OBJECT)AllocPolMem(
sizeof(WIRELESS_POLICY_OBJECT)
);
if (!pWirelessWMIPolicyObject) {
dwError = ERROR_OUTOFMEMORY;
BAIL_ON_WIN32_ERROR(dwError);
}
//
// Now copy the rest of the data in the object
//
//copy owners ref
if (pWirelessPolicyObject->pszWirelessID) {
/*
dwError = CopyPolicyDSToWMIString(
pWirelessPolicyObject->pszWirelessOwnersReference,
&pWirelessWMIPolicyObject->pszWirelessOwnersReference
);
*/
wcscpy(szUniquePolicyName, L"\0");
wcscpy(szUniquePolicyName, L"msieee80211-Policy");
wcscat(szUniquePolicyName, pWirelessPolicyObject->pszWirelessID);
pszUniquePolicyName = AllocPolBstrStr(szUniquePolicyName);
if (!pszUniquePolicyName) {
dwError = ERROR_OUTOFMEMORY;
BAIL_ON_WIN32_ERROR(dwError);
}
pWirelessWMIPolicyObject->pszWirelessOwnersReference = pszUniquePolicyName;
}
//copy name
if (pWirelessPolicyObject->pszWirelessName) {
pWirelessWMIPolicyObject->pszWirelessName = AllocPolBstrStr(
pWirelessPolicyObject->pszWirelessName
);
if (!pWirelessWMIPolicyObject->pszWirelessName) {
dwError = ERROR_OUTOFMEMORY;
BAIL_ON_WIN32_ERROR(dwError);
}
}
//copy wirelessid
if (pWirelessPolicyObject->pszWirelessID) {
pWirelessWMIPolicyObject->pszWirelessID = AllocPolBstrStr(
pWirelessPolicyObject->pszWirelessID
);
if (!pWirelessWMIPolicyObject->pszWirelessID) {
dwError = ERROR_OUTOFMEMORY;
BAIL_ON_WIN32_ERROR(dwError);
}
}
//copy datatype
pWirelessWMIPolicyObject->dwWirelessDataType = pWirelessPolicyObject->dwWirelessDataType;
//copy wirelessdata
if (pWirelessPolicyObject->pWirelessData) {
dwError = CopyBinaryValue(
pWirelessPolicyObject->pWirelessData,
pWirelessPolicyObject->dwWirelessDataLen,
&pWirelessWMIPolicyObject->pWirelessData
);
BAIL_ON_WIN32_ERROR(dwError);
pWirelessWMIPolicyObject->dwWirelessDataLen = pWirelessPolicyObject->dwWirelessDataLen;
}
//copy description
if (pWirelessPolicyObject->pszDescription) {
pWirelessWMIPolicyObject->pszDescription = AllocPolBstrStr(
pWirelessPolicyObject->pszDescription
);
if (!pWirelessWMIPolicyObject->pszDescription) {
dwError = ERROR_OUTOFMEMORY;
BAIL_ON_WIN32_ERROR(dwError);
}
}
//copy whenchanged
pWirelessWMIPolicyObject->dwWhenChanged = pWirelessPolicyObject->dwWhenChanged;
//commit & return
*ppWirelessWMIPolicyObject = pWirelessWMIPolicyObject;
return(dwError);
error:
if (pWirelessWMIPolicyObject) {
FreeWirelessPolicyObject(
pWirelessWMIPolicyObject
);
}
*ppWirelessWMIPolicyObject = NULL;
return(HRESULT_FROM_WIN32(dwError));
}
DWORD
CopyPolicyDSToFQWMIString(
LPWSTR pszPolicyDN,
LPWSTR * ppszPolicyName
)
{
DWORD dwError = 0;
WCHAR szCommonName[MAX_PATH];
LPWSTR pszGuidName = NULL;
LPWSTR pszPolicyName = NULL;
DWORD dwStringSize = 0;
dwError = ComputePrelimCN(
pszPolicyDN,
szCommonName
);
BAIL_ON_WIN32_ERROR(dwError);
dwError = ComputeGUIDName(
szCommonName,
&pszGuidName
);
BAIL_ON_WIN32_ERROR(dwError);
dwStringSize = wcslen(pszGuidName);
dwStringSize += 1;
pszPolicyName = (LPWSTR)AllocPolMem(dwStringSize*sizeof(WCHAR));
if (!pszPolicyName) {
dwError = ERROR_OUTOFMEMORY;
BAIL_ON_WIN32_ERROR(dwError);
}
wcscpy(pszPolicyName, pszGuidName);
*ppszPolicyName = pszPolicyName;
return(dwError);
error:
*ppszPolicyName = NULL;
return(dwError);
}
HRESULT
WMIWriteMultiValuedString(
IWbemClassObject *pInstWbemClassObject,
LPWSTR pszValueName,
LPWSTR * ppszStringReferences,
DWORD dwNumStringReferences
)
{
HRESULT hr = S_OK;
SAFEARRAYBOUND arrayBound[1];
SAFEARRAY *pSafeArray = NULL;
VARIANT var;
DWORD i = 0;
BSTR Bstr = NULL;
VariantInit(&var);
if (!ppszStringReferences) {
hr = E_INVALIDARG;
BAIL_ON_HRESULT_ERROR(hr);
}
arrayBound[0].lLbound = 0;
arrayBound[0].cElements = dwNumStringReferences;
pSafeArray = SafeArrayCreate(VT_BSTR, 1, arrayBound);
if (!pSafeArray)
{
hr = E_OUTOFMEMORY;
BAIL_ON_HRESULT_ERROR(hr);
}
for (i = 0; i < dwNumStringReferences; i++)
{
Bstr = SysAllocString(*(ppszStringReferences + i));
if(!Bstr) {
hr = E_OUTOFMEMORY;
BAIL_ON_HRESULT_ERROR(hr);
}
hr = SafeArrayPutElement(pSafeArray, (long *)&i, Bstr);
SysFreeString(Bstr);
BAIL_ON_HRESULT_ERROR(hr);
}
var.vt = VT_ARRAY|VT_BSTR;
var.parray = pSafeArray;
hr = IWbemClassObject_Put(
pInstWbemClassObject,
pszValueName,
0,
&var,
0
);
VariantClear(&var);
BAIL_ON_HRESULT_ERROR(hr);
error:
return(hr);
}
DWORD
CopyFilterDSToWMIString(
LPWSTR pszFilterDN,
LPWSTR * ppszFilterName
)
{
DWORD dwError = 0;
WCHAR szCommonName[MAX_PATH];
LPWSTR pszGuidName = NULL;
LPWSTR pszFilterName = NULL;
dwError = ComputePrelimCN(
pszFilterDN,
szCommonName
);
BAIL_ON_WIN32_ERROR(dwError);
dwError = ComputeGUIDName(
szCommonName,
&pszGuidName
);
BAIL_ON_WIN32_ERROR(dwError);
pszFilterName = AllocPolBstrStr(pszGuidName);
if (!pszFilterName) {
dwError = ERROR_OUTOFMEMORY;
BAIL_ON_WIN32_ERROR(dwError);
}
*ppszFilterName = pszFilterName;
return(dwError);
error:
*ppszFilterName = NULL;
return(dwError);
}
DWORD
CopyPolicyDSToWMIString(
LPWSTR pszPolicyDN,
LPWSTR * ppszPolicyName
)
{
DWORD dwError = 0;
WCHAR szCommonName[MAX_PATH];
LPWSTR pszGuidName = NULL;
LPWSTR pszPolicyName = NULL;
dwError = ComputePrelimCN(
pszPolicyDN,
szCommonName
);
BAIL_ON_WIN32_ERROR(dwError);
dwError = ComputeGUIDName(
szCommonName,
&pszGuidName
);
BAIL_ON_WIN32_ERROR(dwError);
pszPolicyName = AllocPolBstrStr(pszGuidName);
if (!pszPolicyName) {
dwError = ERROR_OUTOFMEMORY;
BAIL_ON_WIN32_ERROR(dwError);
}
*ppszPolicyName = pszPolicyName;
return(dwError);
error:
*ppszPolicyName = NULL;
return(dwError);
}
HRESULT
LogBlobPropertyEx(
IWbemClassObject *pInstance,
BSTR bstrPropName,
BYTE *pbBlob,
DWORD dwLen
)
{
HRESULT hr = S_OK;
SAFEARRAYBOUND arrayBound[1];
SAFEARRAY *pSafeArray = NULL;
VARIANT var;
DWORD i = 0;
VariantInit(&var);
arrayBound[0].lLbound = 0;
arrayBound[0].cElements = dwLen;
pSafeArray = SafeArrayCreate(VT_UI1, 1, arrayBound);
if (!pSafeArray)
{
hr = E_OUTOFMEMORY;
BAIL_ON_HRESULT_ERROR(hr);
}
for (i = 0; i < dwLen; i++)
{
hr = SafeArrayPutElement(pSafeArray, (long *)&i, &pbBlob[i]);
BAIL_ON_HRESULT_ERROR(hr);
}
var.vt = VT_ARRAY|VT_UI1;
var.parray = pSafeArray;
hr = IWbemClassObject_Put(
pInstance,
bstrPropName,
0,
&var,
0
);
VariantClear(&var);
BAIL_ON_HRESULT_ERROR(hr);
error:
return(hr);
}
HRESULT
DeleteWMIClassObject(
IWbemServices *pWbemServices,
LPWSTR pszWirelessWMIObject
)
{
HRESULT hr = S_OK;
IEnumWbemClassObject *pEnum = NULL;
IWbemClassObject *pObj = NULL;
ULONG uReturned = 0;
VARIANT var;
BSTR bstrWirelessWMIObject = NULL;
VariantInit(&var);
bstrWirelessWMIObject = SysAllocString(pszWirelessWMIObject);
if(!bstrWirelessWMIObject) {
hr = E_OUTOFMEMORY;
BAIL_ON_HRESULT_ERROR(hr);
}
hr = IWbemServices_CreateInstanceEnum(
pWbemServices,
bstrWirelessWMIObject,
WBEM_FLAG_FORWARD_ONLY,
0,
&pEnum
);
SysFreeString(bstrWirelessWMIObject);
BAIL_ON_HRESULT_ERROR(hr);
while(1)
{
hr = IEnumWbemClassObject_Next(
pEnum,
WBEM_INFINITE,
1,
&pObj,
&uReturned
);
if (hr == WBEM_S_NO_ERROR) {
hr = IWbemClassObject_Get(
pObj,
L"__RELPATH",
0,
&var,
0,
0
);
BAIL_ON_HRESULT_ERROR(hr);
hr = IWbemServices_DeleteInstance(
pWbemServices,
var.bstrVal,
WBEM_FLAG_RETURN_WBEM_COMPLETE,
NULL,
NULL
);
BAIL_ON_HRESULT_ERROR(hr);
//free
if(pObj) {
IWbemClassObject_Release(pObj);
pObj = NULL;
}
VariantClear(&var);
} else {
if(hr == WBEM_S_FALSE) {
break;
} else {
BAIL_ON_HRESULT_ERROR(hr);
}
}
}
hr = S_OK;
cleanup:
if(pEnum)
IEnumWbemClassObject_Release(pEnum);
return(hr);
error:
if (pObj) {
IWbemClassObject_Release(pObj);
pObj = NULL;
}
VariantClear(&var);
goto cleanup;
}
LPWSTR
AllocPolBstrStr(
LPCWSTR pStr
)
{
LPWSTR pMem=NULL;
DWORD StrLen;
if (!pStr)
return 0;
StrLen = wcslen(pStr);
if (pMem = (LPWSTR)AllocPolMem( StrLen*sizeof(WCHAR) + sizeof(WCHAR)
+ sizeof(DWORD)))
wcscpy(pMem+2, pStr); // Leaving 4 bytes for length
*(DWORD *)pMem = StrLen*sizeof(WCHAR);
return pMem;
}