Source code of Windows XP (NT5)
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//----------------------------------------------------------------------------
//
// Microsoft Windows
// Copyright (C) Microsoft Corporation, 2000.
//
// File: policy-r.c
//
// Contents: Policy management for registry.
//
//
// History: KrishnaG.
// AbhisheV.
//
//----------------------------------------------------------------------------
#include "precomp.h"
extern LPWSTR PolicyDNAttributes[];
DWORD
RegEnumPolicyData(
HKEY hRegistryKey,
LPWSTR pszIpsecRootContainer,
PIPSEC_POLICY_DATA ** pppIpsecPolicyData,
PDWORD pdwNumPolicyObjects
)
{
DWORD dwError = 0;
PIPSEC_POLICY_OBJECT * ppIpsecPolicyObjects = NULL;
PIPSEC_POLICY_DATA pIpsecPolicyData = NULL;
PIPSEC_POLICY_DATA * ppIpsecPolicyData = NULL;
DWORD dwNumPolicyObjects = 0;
DWORD i = 0;
DWORD j = 0;
dwError = RegEnumPolicyObjects(
hRegistryKey,
pszIpsecRootContainer,
&ppIpsecPolicyObjects,
&dwNumPolicyObjects
);
BAIL_ON_WIN32_ERROR(dwError);
if (dwNumPolicyObjects) {
ppIpsecPolicyData = (PIPSEC_POLICY_DATA *) AllocPolMem(
dwNumPolicyObjects*sizeof(PIPSEC_POLICY_DATA));
if (!ppIpsecPolicyData) {
dwError = ERROR_OUTOFMEMORY;
BAIL_ON_WIN32_ERROR(dwError);
}
}
for (i = 0; i < dwNumPolicyObjects; i++) {
dwError = RegUnmarshallPolicyData(
*(ppIpsecPolicyObjects + i),
&pIpsecPolicyData
);
if (!dwError) {
*(ppIpsecPolicyData + j) = pIpsecPolicyData;
j++;
}
}
if (j == 0) {
if (ppIpsecPolicyData) {
FreePolMem(ppIpsecPolicyData);
ppIpsecPolicyData = NULL;
}
}
*pppIpsecPolicyData = ppIpsecPolicyData;
*pdwNumPolicyObjects = j;
dwError = ERROR_SUCCESS;
cleanup:
if (ppIpsecPolicyObjects) {
FreeIpsecPolicyObjects(
ppIpsecPolicyObjects,
dwNumPolicyObjects
);
}
return(dwError);
error:
if (ppIpsecPolicyData) {
FreeMulIpsecPolicyData(
ppIpsecPolicyData,
i
);
}
*pppIpsecPolicyData = NULL;
*pdwNumPolicyObjects = 0;
goto cleanup;
}
DWORD
RegEnumPolicyObjects(
HKEY hRegistryKey,
LPWSTR pszIpsecRootContainer,
PIPSEC_POLICY_OBJECT ** pppIpsecPolicyObjects,
PDWORD pdwNumPolicyObjects
)
{
DWORD dwError = 0;
DWORD i = 0;
DWORD dwCount = 0;
PIPSEC_POLICY_OBJECT pIpsecPolicyObject = NULL;
PIPSEC_POLICY_OBJECT * ppIpsecPolicyObjects = NULL;
DWORD dwNumPolicyObjectsReturned = 0;
DWORD dwIndex = 0;
WCHAR szPolicyName[MAX_PATH];
DWORD dwSize = 0;
*pppIpsecPolicyObjects = NULL;
*pdwNumPolicyObjects = 0;
while (1) {
dwSize = MAX_PATH;
szPolicyName[0] = L'\0';
dwError = RegEnumKeyExW(
hRegistryKey,
dwIndex,
szPolicyName,
&dwSize,
NULL,
NULL,
0,
0
);
if (dwError == ERROR_NO_MORE_ITEMS) {
break;
}
BAIL_ON_WIN32_ERROR(dwError);
if (!wcsstr(szPolicyName, L"ipsecPolicy")) {
dwIndex++;
continue;
}
pIpsecPolicyObject = NULL;
dwError =UnMarshallRegistryPolicyObject(
hRegistryKey,
pszIpsecRootContainer,
szPolicyName,
REG_RELATIVE_NAME,
&pIpsecPolicyObject
);
if (dwError == ERROR_SUCCESS) {
dwError = ReallocatePolMem(
(LPVOID *) &ppIpsecPolicyObjects,
sizeof(PIPSEC_POLICY_OBJECT)*(dwNumPolicyObjectsReturned),
sizeof(PIPSEC_POLICY_OBJECT)*(dwNumPolicyObjectsReturned + 1)
);
BAIL_ON_WIN32_ERROR(dwError);
*(ppIpsecPolicyObjects + dwNumPolicyObjectsReturned) = pIpsecPolicyObject;
dwNumPolicyObjectsReturned++;
}
dwIndex++;
}
*pppIpsecPolicyObjects = ppIpsecPolicyObjects;
*pdwNumPolicyObjects = dwNumPolicyObjectsReturned;
dwError = ERROR_SUCCESS;
return(dwError);
error:
if (ppIpsecPolicyObjects) {
FreeIpsecPolicyObjects(
ppIpsecPolicyObjects,
dwNumPolicyObjectsReturned
);
}
if (pIpsecPolicyObject) {
FreeIpsecPolicyObject(
pIpsecPolicyObject
);
}
*pppIpsecPolicyObjects = NULL;
*pdwNumPolicyObjects = 0;
return(dwError);
}
DWORD
RegSetPolicyData(
HKEY hRegistryKey,
LPWSTR pszIpsecRootContainer,
LPWSTR pszLocationName,
PIPSEC_POLICY_DATA pIpsecPolicyData
)
{
DWORD dwError = 0;
PIPSEC_POLICY_OBJECT pIpsecPolicyObject = NULL;
LPWSTR pszAbsOldISAKMPRef = NULL;
LPWSTR pszRelOldISAKMPRef = NULL;
WCHAR szAbsPolicyReference[MAX_PATH];
LPWSTR pszRelISAKMPReference = NULL;
DWORD dwRootPathLen = 0;
BOOL bIsActive = FALSE;
dwRootPathLen = wcslen(pszIpsecRootContainer);
dwError = RegGetPolicyExistingISAKMPRef(
hRegistryKey,
pIpsecPolicyData,
&pszAbsOldISAKMPRef
);
// BAIL_ON_WIN32_ERROR(dwError);
if (pszAbsOldISAKMPRef && *pszAbsOldISAKMPRef) {
pszRelOldISAKMPRef = pszAbsOldISAKMPRef + dwRootPathLen + 1;
}
dwError = RegMarshallPolicyObject(
pIpsecPolicyData,
pszIpsecRootContainer,
&pIpsecPolicyObject
);
BAIL_ON_WIN32_ERROR(dwError);
dwError = RegSetPolicyObject(
hRegistryKey,
pszIpsecRootContainer,
pIpsecPolicyObject
);
BAIL_ON_WIN32_ERROR(dwError);
szAbsPolicyReference[0] = L'\0';
wcscpy(szAbsPolicyReference, pszIpsecRootContainer);
wcscat(szAbsPolicyReference, L"\\");
wcscat(szAbsPolicyReference, pIpsecPolicyObject->pszIpsecOwnersReference);
pszRelISAKMPReference = pIpsecPolicyObject->pszIpsecISAKMPReference
+ dwRootPathLen + 1;
if (pszRelOldISAKMPRef) {
dwError = RegRemovePolicyReferenceFromISAKMPObject(
hRegistryKey,
pszRelOldISAKMPRef,
szAbsPolicyReference
);
// BAIL_ON_WIN32_ERROR(dwError);
}
dwError = RegAddPolicyReferenceToISAKMPObject(
hRegistryKey,
pszRelISAKMPReference,
szAbsPolicyReference
);
BAIL_ON_WIN32_ERROR(dwError);
dwError = RegUpdateISAKMPReferenceInPolicyObject(
hRegistryKey,
pIpsecPolicyObject->pszIpsecOwnersReference,
pszAbsOldISAKMPRef,
pIpsecPolicyObject->pszIpsecISAKMPReference
);
BAIL_ON_WIN32_ERROR(dwError);
dwError = IsRegPolicyCurrentlyActive(
hRegistryKey,
pszIpsecRootContainer,
pIpsecPolicyData->PolicyIdentifier,
&bIsActive
);
BAIL_ON_WIN32_ERROR(dwError);
if (bIsActive) {
dwError = PingPolicyAgentSvc(pszLocationName);
BAIL_ON_WIN32_ERROR(dwError);
}
error:
if (pIpsecPolicyObject) {
FreeIpsecPolicyObject(pIpsecPolicyObject);
}
if (pszAbsOldISAKMPRef) {
FreePolStr(pszAbsOldISAKMPRef);
}
return(dwError);
}
DWORD
RegSetPolicyObject(
HKEY hRegistryKey,
LPWSTR pszIpsecRootContainer,
PIPSEC_POLICY_OBJECT pIpsecPolicyObject
)
{
DWORD dwError = 0;
dwError = PersistPolicyObject(
hRegistryKey,
pIpsecPolicyObject
);
BAIL_ON_WIN32_ERROR(dwError);
error:
return(dwError);
}
DWORD
RegCreatePolicyData(
HKEY hRegistryKey,
LPWSTR pszIpsecRootContainer,
PIPSEC_POLICY_DATA pIpsecPolicyData
)
{
DWORD dwError = 0;
PIPSEC_POLICY_OBJECT pIpsecPolicyObject = NULL;
WCHAR szAbsPolicyReference[MAX_PATH];
LPWSTR pszRelISAKMPReference = NULL;
DWORD dwRootPathLen = 0;
dwRootPathLen = wcslen(pszIpsecRootContainer);
dwError = RegMarshallPolicyObject(
pIpsecPolicyData,
pszIpsecRootContainer,
&pIpsecPolicyObject
);
BAIL_ON_WIN32_ERROR(dwError);
dwError = RegCreatePolicyObject(
hRegistryKey,
pszIpsecRootContainer,
pIpsecPolicyObject
);
BAIL_ON_WIN32_ERROR(dwError);
szAbsPolicyReference[0] = L'\0';
wcscpy(szAbsPolicyReference, pszIpsecRootContainer);
wcscat(szAbsPolicyReference, L"\\");
wcscat(szAbsPolicyReference, pIpsecPolicyObject->pszIpsecOwnersReference);
pszRelISAKMPReference = pIpsecPolicyObject->pszIpsecISAKMPReference
+ dwRootPathLen + 1;
//
// Write the ISAKMP object reference.
//
dwError = RegAddPolicyReferenceToISAKMPObject(
hRegistryKey,
pszRelISAKMPReference,
szAbsPolicyReference
);
BAIL_ON_WIN32_ERROR(dwError);
//
// Write the Policy object reference.
//
dwError = RegAddISAKMPReferenceToPolicyObject(
hRegistryKey,
pIpsecPolicyObject->pszIpsecOwnersReference,
pIpsecPolicyObject->pszIpsecISAKMPReference
);
BAIL_ON_WIN32_ERROR(dwError);
error:
if (pIpsecPolicyObject) {
FreeIpsecPolicyObject(
pIpsecPolicyObject
);
}
return(dwError);
}
DWORD
RegCreatePolicyObject(
HKEY hRegistryKey,
LPWSTR pszIpsecRootContainer,
PIPSEC_POLICY_OBJECT pIpsecPolicyObject
)
{
DWORD dwError = 0;
dwError = PersistPolicyObject(
hRegistryKey,
pIpsecPolicyObject
);
BAIL_ON_WIN32_ERROR(dwError);
error:
return(dwError);
}
DWORD
RegDeletePolicyData(
HKEY hRegistryKey,
LPWSTR pszIpsecRootContainer,
PIPSEC_POLICY_DATA pIpsecPolicyData
)
{
DWORD dwError = ERROR_SUCCESS;
PIPSEC_POLICY_OBJECT pIpsecPolicyObject = NULL;
WCHAR szAbsPolicyReference[MAX_PATH];
LPWSTR pszRelISAKMPReference = NULL;
DWORD dwRootPathLen = 0;
BOOL bIsActive = FALSE;
dwError = IsRegPolicyCurrentlyActive(
hRegistryKey,
pszIpsecRootContainer,
pIpsecPolicyData->PolicyIdentifier,
&bIsActive
);
BAIL_ON_WIN32_ERROR(dwError);
if (bIsActive) {
dwError = ERROR_INVALID_PARAMETER;
BAIL_ON_WIN32_ERROR(dwError);
}
dwRootPathLen = wcslen(pszIpsecRootContainer);
dwError = RegMarshallPolicyObject(
pIpsecPolicyData,
pszIpsecRootContainer,
&pIpsecPolicyObject
);
BAIL_ON_WIN32_ERROR(dwError);
szAbsPolicyReference[0] = L'\0';
wcscpy(szAbsPolicyReference, pszIpsecRootContainer);
wcscat(szAbsPolicyReference, L"\\");
wcscat(szAbsPolicyReference, pIpsecPolicyObject->pszIpsecOwnersReference);
pszRelISAKMPReference = pIpsecPolicyObject->pszIpsecISAKMPReference
+ dwRootPathLen + 1;
dwError = RegRemovePolicyReferenceFromISAKMPObject(
hRegistryKey,
pszRelISAKMPReference,
szAbsPolicyReference
);
// BAIL_ON_WIN32_ERROR(dwError);
dwError = RegDeleteKeyW(
hRegistryKey,
pIpsecPolicyObject->pszIpsecOwnersReference
);
BAIL_ON_WIN32_ERROR(dwError);
error:
if (pIpsecPolicyObject) {
FreeIpsecPolicyObject(pIpsecPolicyObject);
}
return(dwError);
}
DWORD
RegUnmarshallPolicyData(
PIPSEC_POLICY_OBJECT pIpsecPolicyObject,
PIPSEC_POLICY_DATA * ppIpsecPolicyData
)
{
DWORD dwError = 0;
dwError = UnmarshallPolicyObject(
pIpsecPolicyObject,
IPSEC_REGISTRY_PROVIDER,
ppIpsecPolicyData
);
return(dwError);
}
DWORD
RegMarshallPolicyObject(
PIPSEC_POLICY_DATA pIpsecPolicyData,
LPWSTR pszIpsecRootContainer,
PIPSEC_POLICY_OBJECT * ppIpsecPolicyObject
)
{
DWORD dwError = 0;
PIPSEC_POLICY_OBJECT pIpsecPolicyObject = NULL;
WCHAR szGuid[MAX_PATH];
WCHAR szDistinguishedName[MAX_PATH];
LPBYTE pBuffer = NULL;
DWORD dwBufferLen = 0;
LPWSTR pszStringUuid = NULL;
LPWSTR pszIpsecISAKMPReference = NULL;
time_t PresentTime;
szGuid[0] = L'\0';
szDistinguishedName[0] = L'\0';
pIpsecPolicyObject = (PIPSEC_POLICY_OBJECT)AllocPolMem(
sizeof(IPSEC_POLICY_OBJECT)
);
if (!pIpsecPolicyObject) {
dwError = ERROR_OUTOFMEMORY;
BAIL_ON_WIN32_ERROR(dwError);
}
dwError = UuidToString(
&pIpsecPolicyData->PolicyIdentifier,
&pszStringUuid
);
BAIL_ON_WIN32_ERROR(dwError);
wcscpy(szGuid, L"{");
wcscat(szGuid, pszStringUuid);
wcscat(szGuid, L"}");
//
// Fill in the distinguishedName
//
wcscpy(szDistinguishedName,L"ipsecPolicy");
wcscat(szDistinguishedName, szGuid);
pIpsecPolicyObject->pszIpsecOwnersReference = AllocPolStr(
szDistinguishedName
);
if (!pIpsecPolicyObject->pszIpsecOwnersReference) {
dwError = ERROR_OUTOFMEMORY;
BAIL_ON_WIN32_ERROR(dwError);
}
//
// Fill in the ipsecName
//
if (pIpsecPolicyData->pszIpsecName &&
*pIpsecPolicyData->pszIpsecName) {
pIpsecPolicyObject->pszIpsecName = AllocPolStr(
pIpsecPolicyData->pszIpsecName
);
if (!pIpsecPolicyObject->pszIpsecName) {
dwError = ERROR_OUTOFMEMORY;
BAIL_ON_WIN32_ERROR(dwError);
}
}
if (pIpsecPolicyData->pszDescription &&
*pIpsecPolicyData->pszDescription) {
pIpsecPolicyObject->pszDescription = AllocPolStr(
pIpsecPolicyData->pszDescription
);
if (!pIpsecPolicyObject->pszDescription) {
dwError = ERROR_OUTOFMEMORY;
BAIL_ON_WIN32_ERROR(dwError);
}
}
//
// Fill in the ipsecID
//
pIpsecPolicyObject->pszIpsecID = AllocPolStr(
szGuid
);
if (!pIpsecPolicyObject->pszIpsecID) {
dwError = ERROR_OUTOFMEMORY;
BAIL_ON_WIN32_ERROR(dwError);
}
//
// Fill in the ipsecDataType
//
pIpsecPolicyObject->dwIpsecDataType = 0x100;
//
// Marshall the pIpsecDataBuffer and the Length
//
dwError = MarshallPolicyBuffer(
pIpsecPolicyData,
&pBuffer,
&dwBufferLen
);
BAIL_ON_WIN32_ERROR(dwError);
pIpsecPolicyObject->pIpsecData = pBuffer;
pIpsecPolicyObject->dwIpsecDataLen = dwBufferLen;
dwError = ConvertGuidToISAKMPString(
pIpsecPolicyData->ISAKMPIdentifier,
pszIpsecRootContainer,
&pszIpsecISAKMPReference
);
BAIL_ON_WIN32_ERROR(dwError);
pIpsecPolicyObject->pszIpsecISAKMPReference = pszIpsecISAKMPReference;
time(&PresentTime);
pIpsecPolicyObject->dwWhenChanged = (DWORD) PresentTime;
*ppIpsecPolicyObject = pIpsecPolicyObject;
cleanup:
if (pszStringUuid) {
RpcStringFree(
&pszStringUuid
);
}
return(dwError);
error:
if (pIpsecPolicyObject) {
FreeIpsecPolicyObject(
pIpsecPolicyObject
);
}
*ppIpsecPolicyObject = NULL;
goto cleanup;
}
DWORD
MarshallPolicyBuffer(
PIPSEC_POLICY_DATA pIpsecPolicyData,
LPBYTE * ppBuffer,
DWORD * pdwBufferLen
)
{
LPBYTE pBuffer = NULL;
DWORD dwSize = 0;
DWORD dwError = 0;
DWORD dwPollingInterval = 0;
LPBYTE pCurrentPos = NULL;
DWORD dwEffectiveSize = 0;
// {22202163-4F4C-11d1-863B-00A0248D3021}
static const GUID GUID_IPSEC_POLICY_DATA_BLOB =
{ 0x22202163, 0x4f4c, 0x11d1, { 0x86, 0x3b, 0x0, 0xa0, 0x24, 0x8d, 0x30, 0x21 } };
dwSize += sizeof(GUID);
dwSize += sizeof(DWORD);
dwSize += sizeof(DWORD);
dwSize++;
pBuffer = AllocPolMem(dwSize);
if (!pBuffer) {
dwError = ERROR_OUTOFMEMORY;
BAIL_ON_WIN32_ERROR(dwError);
}
pCurrentPos = pBuffer;
memcpy(pCurrentPos, &GUID_IPSEC_POLICY_DATA_BLOB, sizeof(GUID));
pCurrentPos += sizeof(GUID);
dwEffectiveSize = dwSize - sizeof(GUID) - sizeof(DWORD) - 1;
memcpy(pCurrentPos, &dwEffectiveSize, sizeof(DWORD));
pCurrentPos += sizeof(DWORD);
dwPollingInterval = pIpsecPolicyData->dwPollingInterval;
memcpy(pCurrentPos, &dwPollingInterval, sizeof(DWORD));
*ppBuffer = pBuffer;
*pdwBufferLen = dwSize;
return(dwError);
error:
if (pBuffer) {
FreePolMem(pBuffer);
}
*ppBuffer = NULL;
*pdwBufferLen = 0;
return(dwError);
}
DWORD
ConvertGuidToISAKMPString(
GUID ISAKMPIdentifier,
LPWSTR pszIpsecRootContainer,
LPWSTR * ppszIpsecISAKMPReference
)
{
DWORD dwError = 0;
WCHAR szISAKMPReference[MAX_PATH];
LPWSTR pszIpsecISAKMPReference = NULL;
WCHAR szGuidString[MAX_PATH];
LPWSTR pszStringUuid = NULL;
dwError = UuidToString(
&ISAKMPIdentifier,
&pszStringUuid
);
BAIL_ON_WIN32_ERROR(dwError);
szGuidString[0] = L'\0';
wcscpy(szGuidString, L"{");
wcscat(szGuidString, pszStringUuid);
wcscat(szGuidString, L"}");
szISAKMPReference[0] = L'\0';
wcscpy(szISAKMPReference, pszIpsecRootContainer);
wcscat(szISAKMPReference, L"\\");
wcscat(szISAKMPReference, L"ipsecISAKMPPolicy");
wcscat(szISAKMPReference, szGuidString);
pszIpsecISAKMPReference = AllocPolStr(
szISAKMPReference
);
if (!pszIpsecISAKMPReference) {
dwError = ERROR_OUTOFMEMORY;
BAIL_ON_WIN32_ERROR(dwError);
}
*ppszIpsecISAKMPReference = pszIpsecISAKMPReference;
cleanup:
if (pszStringUuid) {
RpcStringFree(&pszStringUuid);
}
return(dwError);
error:
*ppszIpsecISAKMPReference = NULL;
goto cleanup;
}
DWORD
RegGetPolicyExistingISAKMPRef(
HKEY hRegistryKey,
PIPSEC_POLICY_DATA pIpsecPolicyData,
LPWSTR * ppszISAKMPName
)
{
DWORD dwError = 0;
LPWSTR pszStringUuid = NULL;
WCHAR szRelativeName[MAX_PATH];
HKEY hRegKey = NULL;
DWORD dwSize = 0;
szRelativeName[0] = L'\0';
dwError = UuidToString(
&pIpsecPolicyData->PolicyIdentifier,
&pszStringUuid
);
BAIL_ON_WIN32_ERROR(dwError);
wcscpy(szRelativeName, L"ipsecPolicy");
wcscat(szRelativeName, L"{");
wcscat(szRelativeName, pszStringUuid);
wcscat(szRelativeName, L"}");
dwError = RegOpenKeyExW(
hRegistryKey,
szRelativeName,
0,
KEY_ALL_ACCESS,
&hRegKey
);
BAIL_ON_WIN32_ERROR(dwError);
dwError = RegstoreQueryValue(
hRegKey,
L"ipsecISAKMPReference",
REG_SZ,
(LPBYTE *)ppszISAKMPName,
&dwSize
);
BAIL_ON_WIN32_ERROR(dwError);
error:
if (pszStringUuid) {
RpcStringFree(&pszStringUuid);
}
if (hRegKey) {
RegCloseKey(hRegKey);
}
return (dwError);
}
DWORD
RegAssignPolicy(
HKEY hRegistryKey,
LPWSTR pszIpsecRootContainer,
GUID PolicyIdentifier,
LPWSTR pszLocationName
)
{
DWORD dwError = 0;
WCHAR szRelativeName[MAX_PATH];
LPWSTR pszStringUuid = NULL;
WCHAR szAbsPolicyRef[MAX_PATH];
szRelativeName[0] = L'\0';
dwError = UuidToString(
&PolicyIdentifier,
&pszStringUuid
);
BAIL_ON_WIN32_ERROR(dwError);
wcscpy(szRelativeName, L"ipsecPolicy");
wcscat(szRelativeName, L"{");
wcscat(szRelativeName, pszStringUuid);
wcscat(szRelativeName, L"}");
szAbsPolicyRef[0] = L'\0';
wcscpy(szAbsPolicyRef, pszIpsecRootContainer);
wcscat(szAbsPolicyRef, L"\\");
wcscat(szAbsPolicyRef, szRelativeName);
dwError = RegSetValueExW(
hRegistryKey,
L"ActivePolicy",
0,
REG_SZ,
(LPBYTE) szAbsPolicyRef,
(wcslen(szAbsPolicyRef) + 1)*sizeof(WCHAR)
);
BAIL_ON_WIN32_ERROR(dwError);
dwError = PingPolicyAgentSvc(pszLocationName);
BAIL_ON_WIN32_ERROR(dwError);
error:
if (pszStringUuid) {
RpcStringFree(&pszStringUuid);
}
return (dwError);
}
DWORD
RegUnassignPolicy(
HKEY hRegistryKey,
LPWSTR pszIpsecRootContainer,
GUID PolicyIdentifier,
LPWSTR pszLocationName
)
{
DWORD dwError = 0;
dwError = RegDeleteValueW(
hRegistryKey,
L"ActivePolicy"
);
BAIL_ON_WIN32_ERROR(dwError);
dwError = PingPolicyAgentSvc(pszLocationName);
BAIL_ON_WIN32_ERROR(dwError);
error:
return (dwError);
}
DWORD
PingPolicyAgentSvc(
LPWSTR pszLocationName
)
{
SC_HANDLE ServiceDatabase = NULL;
SC_HANDLE ServiceHandle = NULL;
BOOL bStatus = FALSE;
DWORD dwError = 0;
SERVICE_STATUS IpsecStatus;
memset(&IpsecStatus, 0, sizeof(SERVICE_STATUS));
ServiceDatabase = OpenSCManagerW(
pszLocationName,
NULL,
SC_MANAGER_ALL_ACCESS
);
if (ServiceDatabase == NULL) {
dwError = GetLastError();
BAIL_ON_WIN32_ERROR(dwError);
}
ServiceHandle = OpenService(
ServiceDatabase,
"PolicyAgent",
SERVICE_ALL_ACCESS
);
if (ServiceHandle == NULL) {
dwError = GetLastError();
BAIL_ON_WIN32_ERROR(dwError);
}
bStatus = QueryServiceStatus(
ServiceHandle,
&IpsecStatus
);
if (bStatus == FALSE) {
dwError = GetLastError();
BAIL_ON_WIN32_ERROR(dwError);
}
if (IpsecStatus.dwCurrentState == SERVICE_STOPPED) {
bStatus = StartService(
ServiceHandle,
0,
NULL
);
if (bStatus == FALSE) {
dwError = GetLastError();
BAIL_ON_WIN32_ERROR(dwError);
}
}
else if (IpsecStatus.dwCurrentState == SERVICE_RUNNING) {
bStatus = ControlService(
ServiceHandle,
129,
&IpsecStatus
);
if (bStatus == FALSE) {
dwError = GetLastError();
BAIL_ON_WIN32_ERROR(dwError);
}
}
error:
if (ServiceDatabase != NULL) {
CloseServiceHandle(ServiceDatabase);
}
if (ServiceHandle != NULL) {
CloseServiceHandle(ServiceHandle);
}
return (dwError);
}
DWORD
IsRegPolicyCurrentlyActive(
HKEY hRegistryKey,
LPWSTR pszIpsecRootContainer,
GUID PolicyIdentifier,
PBOOL pbIsActive
)
{
DWORD dwError = 0;
PIPSEC_POLICY_DATA pIpsecPolicyData = NULL;
*pbIsActive = FALSE;
dwError = RegGetAssignedPolicyData(
hRegistryKey,
pszIpsecRootContainer,
&pIpsecPolicyData
);
if (pIpsecPolicyData) {
if (!memcmp(
&PolicyIdentifier,
&pIpsecPolicyData->PolicyIdentifier,
sizeof(GUID))) {
*pbIsActive = TRUE;
}
FreeIpsecPolicyData(pIpsecPolicyData);
}
dwError = ERROR_SUCCESS;
return (dwError);
}
DWORD
RegGetPolicyData(
HKEY hRegistryKey,
LPWSTR pszIpsecRootContainer,
GUID PolicyGUID,
PIPSEC_POLICY_DATA * ppIpsecPolicyData
)
{
DWORD dwError = 0;
PIPSEC_POLICY_OBJECT pIpsecPolicyObject = NULL;
PIPSEC_POLICY_DATA pIpsecPolicyData = NULL;
WCHAR szIpsecPolicyName[MAX_PATH];
LPWSTR pszPolicyName = NULL;
szIpsecPolicyName[0] = L'\0';
wcscpy(szIpsecPolicyName, L"ipsecPolicy");
dwError = UuidToString(&PolicyGUID, &pszPolicyName);
BAIL_ON_WIN32_ERROR(dwError);
wcscat(szIpsecPolicyName, L"{");
wcscat(szIpsecPolicyName, pszPolicyName);
wcscat(szIpsecPolicyName, L"}");
dwError = UnMarshallRegistryPolicyObject(
hRegistryKey,
pszIpsecRootContainer,
szIpsecPolicyName,
REG_RELATIVE_NAME,
&pIpsecPolicyObject
);
BAIL_ON_WIN32_ERROR(dwError);
dwError = RegUnmarshallPolicyData(
pIpsecPolicyObject,
&pIpsecPolicyData
);
BAIL_ON_WIN32_ERROR(dwError);
error:
if (pIpsecPolicyObject) {
FreeIpsecPolicyObject(
pIpsecPolicyObject
);
}
if (pszPolicyName) {
RpcStringFree(&pszPolicyName);
}
*ppIpsecPolicyData = pIpsecPolicyData;
return(dwError);
}
DWORD
RegPingPASvcForActivePolicy(
HKEY hRegistryKey,
LPWSTR pszIpsecRootContainer,
LPWSTR pszLocationName
)
{
DWORD dwError = 0;
PIPSEC_POLICY_DATA pIpsecPolicyData = NULL;
WCHAR szIpsecPolicyName[MAX_PATH];
LPWSTR pszPolicyName = NULL;
WCHAR szAbsPolicyReference[MAX_PATH];
dwError = RegGetAssignedPolicyData(
hRegistryKey,
pszIpsecRootContainer,
&pIpsecPolicyData
);
BAIL_ON_WIN32_ERROR(dwError);
if (!pIpsecPolicyData) {
dwError = ERROR_SUCCESS;
return (dwError);
}
szIpsecPolicyName[0] = L'\0';
wcscpy(szIpsecPolicyName, L"ipsecPolicy");
dwError = UuidToString(&pIpsecPolicyData->PolicyIdentifier, &pszPolicyName);
BAIL_ON_WIN32_ERROR(dwError);
wcscat(szIpsecPolicyName, L"{");
wcscat(szIpsecPolicyName, pszPolicyName);
wcscat(szIpsecPolicyName, L"}");
szAbsPolicyReference[0] = L'\0';
wcscpy(szAbsPolicyReference, pszIpsecRootContainer);
wcscat(szAbsPolicyReference, L"\\");
wcscat(szAbsPolicyReference, szIpsecPolicyName);
dwError = RegUpdatePolicy(
hRegistryKey,
pszIpsecRootContainer,
szAbsPolicyReference
);
BAIL_ON_WIN32_ERROR(dwError);
dwError = PingPolicyAgentSvc(pszLocationName);
BAIL_ON_WIN32_ERROR(dwError);
error:
if (pIpsecPolicyData) {
FreeIpsecPolicyData(pIpsecPolicyData);
}
if (pszPolicyName) {
RpcStringFree(&pszPolicyName);
}
return (dwError);
}