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// Copyright (c) .NET Foundation and contributors. All rights reserved. Licensed under the Microsoft Reciprocal License. See LICENSE.TXT file in the project root for full license information.
#include "precomp.h"
enum eWebLogQuery { wlqLog = 1, wlqFormat };
/* ****************************************************************
* LookupLogFormatGUID -Looks up a given IIS Log format type in
* the metabase and returns the GUID for it.
* ****************************************************************/
static HRESULT LookupLogFormatGUID(
__in IMSAdminBase* piMetabase,
__in LPCWSTR wzLogFormat,
__out_ecount(cchGUID) LPWSTR wzGUID,
__in int cchGUID
)
{
WCHAR wzKey[METADATA_MAX_NAME_LEN];
HRESULT hr = S_OK;
METADATA_RECORD mrKeyType;
::ZeroMemory(&mrKeyType, sizeof(mrKeyType));
mrKeyType.dwMDIdentifier = MD_KEY_TYPE;
mrKeyType.dwMDAttributes = METADATA_NO_ATTRIBUTES;
mrKeyType.dwMDUserType = IIS_MD_UT_SERVER;
mrKeyType.dwMDDataType = ALL_METADATA;
mrKeyType.dwMDDataLen = 0;
mrKeyType.pbMDData = NULL;
METADATA_RECORD mrPluginId;
::ZeroMemory(&mrPluginId, sizeof(mrPluginId));
mrPluginId.dwMDIdentifier = MD_LOG_PLUGIN_MOD_ID;
mrPluginId.dwMDAttributes = METADATA_INHERIT;
mrPluginId.dwMDUserType = IIS_MD_UT_SERVER;
mrPluginId.dwMDDataType = ALL_METADATA;
mrPluginId.dwMDDataLen = 0;
mrPluginId.pbMDData = NULL;
hr = ::StringCchPrintfW(wzKey, countof(wzKey), L"/LM/Logging/%s", wzLogFormat);
ExitOnFailure(hr, "failed to format logging metabase key name");
// verify that we have this log format available in IIS
hr = MetaGetValue(piMetabase, METADATA_MASTER_ROOT_HANDLE, wzKey, &mrKeyType);
ExitOnFailure(hr, "Failed to find specified Log format key in IIS for log format: %ls", wzLogFormat);
ExitOnNull(mrKeyType.pbMDData, hr, E_POINTER, "Request for Log format key in IIS for log format returned success, but value was NULL");
if (0 != lstrcmpW(L"IIsLogModule", (LPCWSTR)mrKeyType.pbMDData))
{
ExitOnFailure(hr = E_UNEXPECTED, "Found invalid log format in IIS: %ls", (LPCWSTR)mrKeyType.pbMDData);
}
// find the GUID for that log format
hr = MetaGetValue(piMetabase, METADATA_MASTER_ROOT_HANDLE, wzKey, &mrPluginId);
ExitOnFailure(hr, "Failed to retrieve IISLog format GUID. Key: %ls", wzKey);
ExitOnNull(mrPluginId.pbMDData, hr, E_POINTER, "Retrieval of IISLog format GUID returned success, but value was NULL");
hr = ::StringCchCopyW(wzGUID, cchGUID, (LPCWSTR)mrPluginId.pbMDData);
ExitOnFailure(hr, "failed to copy metabase value: %ls", (LPCWSTR)mrPluginId.pbMDData);
LExit:
if (mrKeyType.pbMDData)
{
MetaFreeValue(&mrKeyType);
}
if (mrPluginId.pbMDData)
{
MetaFreeValue(&mrPluginId);
}
return hr;
}
/* ****************************************************************
* ScaGetWebLog -Retrieves Log table data for the specified Log key
*
* ****************************************************************/
HRESULT ScaGetWebLog(
IMSAdminBase* piMetabase,
LPCWSTR wzLog,
__in WCA_WRAPQUERY_HANDLE hWebLogQuery,
SCA_WEB_LOG* pswl
)
{
HRESULT hr = S_OK;
LPWSTR pwzData = NULL;
MSIHANDLE hRec;
if (0 == WcaGetQueryRecords(hWebLogQuery))
{
WcaLog(LOGMSG_VERBOSE, "Skipping ScaGetWebLog() - no records to process");
ExitFunction1(hr = S_FALSE);
}
WcaFetchWrappedReset(hWebLogQuery);
hr = WcaFetchWrappedRecordWhereString(hWebLogQuery, wlqLog, wzLog, &hRec);
if (E_NOMOREITEMS == hr)
{
ExitOnFailure(hr, "cannot locate IIsWebLog.Log='%ls'", wzLog);
}
HRESULT hrTemp = WcaFetchWrappedRecordWhereString(hWebLogQuery, wlqLog, wzLog, &hRec);
if (SUCCEEDED(hrTemp))
{
ExitOnFailure(hr, "error - found multiple matching IIsWebLog rows");
}
::ZeroMemory(pswl, sizeof(SCA_WEB_LOG));
// check that log key matches
hr = WcaGetRecordString(hRec, wlqLog, &pwzData);
ExitOnFailure(hr, "failed to get IIsWebLog.Log for Log: %ls", wzLog);
hr = ::StringCchCopyW(pswl->wzLog, countof(pswl->wzLog), pwzData);
ExitOnFailure(hr, "failed to copy log name: %ls", pwzData);
hr = WcaGetRecordString(hRec, wlqFormat, &pwzData);
ExitOnFailure(hr, "failed to get IIsWebLog.Format for Log:", wzLog);
hr = ::StringCchCopyW(pswl->wzFormat, countof(pswl->wzFormat), pwzData);
ExitOnFailure(hr, "failed to copy log format: %ls", pwzData);
// if they specified a log format, look up its GUID in the metabase
if (*pswl->wzFormat && 0 != lstrcmpW(pswl->wzFormat, L"none"))
{
hr = LookupLogFormatGUID(piMetabase, pswl->wzFormat, pswl->wzFormatGUID, countof(pswl->wzFormatGUID));
ExitOnFailure(hr, "Failed to get Log Format GUID for Log: %ls", wzLog);
}
LExit:
ReleaseStr(pwzData);
return hr;
}
/* ****************************************************************
* ScaWriteWebLog -Writes the IIS log values to the metabase.
*
* ****************************************************************/
HRESULT ScaWriteWebLog(
IMSAdminBase* piMetabase,
LPCWSTR wzWebBase,
SCA_WEB_LOG *pswl
)
{
HRESULT hr = S_OK;
if (*pswl->wzFormat)
{
if (0 == lstrcmpW(pswl->wzFormat, L"none"))
{
// user wishes for Logging to be turned 'off'
hr = ScaWriteMetabaseValue(piMetabase, wzWebBase, L"", MD_LOG_TYPE, METADATA_INHERIT, IIS_MD_UT_SERVER, DWORD_METADATA, (LPVOID)((DWORD_PTR)0));
ExitOnFailure(hr, "Failed to write Log Type for Web: %ls", wzWebBase);
}
else
{
Assert(*pswl->wzFormatGUID);
// write the GUID for the log format for the web to the metabase
hr = ScaWriteMetabaseValue(piMetabase, wzWebBase, L"", MD_LOG_PLUGIN_ORDER, METADATA_INHERIT, IIS_MD_UT_SERVER, STRING_METADATA, pswl->wzFormatGUID);
ExitOnFailure(hr, "Failed to write Log GUID for Web: %ls", wzWebBase);
hr = ScaWriteMetabaseValue(piMetabase, wzWebBase, L"", MD_LOG_TYPE, METADATA_INHERIT, IIS_MD_UT_SERVER, DWORD_METADATA, (LPVOID)((DWORD_PTR)1));
ExitOnFailure(hr, "Failed to write Log Type for Web: %ls", wzWebBase);
}
}
LExit:
return hr;
}
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