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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 eWebAppExtensionQuery { wappextqExtension = 1, wappextqVerbs, wappextqExecutable, wappextqAttributes, wappextqApplication };
// prototypes for private helper functions
static HRESULT NewAppExt(
__out SCA_WEB_APPLICATION_EXTENSION** ppswappext
);
static SCA_WEB_APPLICATION_EXTENSION* AddAppExtToList(
__in SCA_WEB_APPLICATION_EXTENSION* pswappextList,
__in SCA_WEB_APPLICATION_EXTENSION* pswappext
);
HRESULT ScaWebAppExtensionsRead(
__in LPCWSTR wzApplication,
__in WCA_WRAPQUERY_HANDLE hWebAppExtQuery,
__inout SCA_WEB_APPLICATION_EXTENSION** ppswappextList
)
{
HRESULT hr = S_OK;
MSIHANDLE hRec;
SCA_WEB_APPLICATION_EXTENSION* pswappext = NULL;
LPWSTR pwzData = NULL;
// Reset back to the first record
WcaFetchWrappedReset(hWebAppExtQuery);
// get the application extension information
while (S_OK == (hr = WcaFetchWrappedRecordWhereString(hWebAppExtQuery, wappextqApplication, wzApplication, &hRec)))
{
hr = NewAppExt(&pswappext);
ExitOnFailure(hr, "failed to create new web app extension");
// get the extension
hr = WcaGetRecordString(hRec, wappextqExtension, &pwzData);
ExitOnFailure(hr, "Failed to get Web Application Extension");
hr = ::StringCchCopyW(pswappext->wzExtension, countof(pswappext->wzExtension), pwzData);
ExitOnFailure(hr, "Failed to copy extension string to webappext object");
// application extension verbs
hr = WcaGetRecordString(hRec, wappextqVerbs, &pwzData);
ExitOnFailure(hr, "Failed to get Verbs for Application: '%ls'", wzApplication);
hr = ::StringCchCopyW(pswappext->wzVerbs, countof(pswappext->wzVerbs), pwzData);
ExitOnFailure(hr, "Failed to copy verbs string to webappext object");
// extension executeable
hr = WcaGetRecordString(hRec, wappextqExecutable, &pwzData);
ExitOnFailure(hr, "Failed to get Executable for Application: '%ls'", wzApplication);
hr = ::StringCchCopyW(pswappext->wzExecutable, countof(pswappext->wzExecutable), pwzData);
ExitOnFailure(hr, "Failed to copy executable string to webappext object");
hr = WcaGetRecordInteger(hRec, wappextqAttributes, &pswappext->iAttributes);
if (S_FALSE == hr)
{
pswappext->iAttributes = 0;
hr = S_OK;
}
ExitOnFailure(hr, "Failed to get App isolation");
*ppswappextList = AddAppExtToList(*ppswappextList, pswappext);
pswappext = NULL; // set the appext NULL so it doesn't accidentally get freed below
}
if (E_NOMOREITEMS == hr)
{
hr = S_OK;
}
LExit:
// if anything was left over after an error clean it all up
if (pswappext)
{
ScaWebAppExtensionsFreeList(pswappext);
}
ReleaseStr(pwzData);
return hr;
}
HRESULT ScaWebAppExtensionsWrite(
__in IMSAdminBase* piMetabase,
__in LPCWSTR wzRootOfWeb,
__in SCA_WEB_APPLICATION_EXTENSION* pswappextList
)
{
HRESULT hr = S_OK;
LPWSTR wzAppExt = NULL;
DWORD cchAppExt;
WCHAR wzAppExtension[1024];
WCHAR wzAppExtensions[65536];
SCA_WEB_APPLICATION_EXTENSION* pswappext = NULL;
if (!pswappextList)
{
ExitFunction();
}
::ZeroMemory(wzAppExtensions, sizeof(wzAppExtensions));
wzAppExt = wzAppExtensions;
cchAppExt = countof(wzAppExtensions);
pswappext = pswappextList;
while (pswappext)
{
// if all (represented by "*" or blank)
if (0 == lstrcmpW(pswappext->wzExtension, L"*") || 0 == lstrlenW(pswappext->wzExtension))
{
hr = ::StringCchPrintfW(wzAppExtension, countof(wzAppExtension), L"*,%s,%d", pswappext->wzExecutable, pswappext->iAttributes);
ExitOnFailure(hr, "Failed to format *,executable,attributes string");
}
else
{
hr = ::StringCchPrintfW(wzAppExtension, countof(wzAppExtension), L".%s,%s,%d", pswappext->wzExtension, pswappext->wzExecutable, pswappext->iAttributes);
ExitOnFailure(hr, "Failed to format extension,executable,attributes string");
}
// if verbs were specified and not the keyword "all"
if (pswappext->wzVerbs[0] && CSTR_EQUAL != CompareStringW(LOCALE_INVARIANT, NORM_IGNORECASE, pswappext->wzVerbs, -1, L"all", -1))
{
hr = ::StringCchCatW(wzAppExtension, countof(wzAppExtension), L",");
ExitOnFailure(hr, "Failed to concatenate comma to app extension string");
hr = ::StringCchCatW(wzAppExtension, countof(wzAppExtension), pswappext->wzVerbs);
ExitOnFailure(hr, "Failed to concatenate verb to app extension string");
}
hr = ::StringCchCopyW(wzAppExt, cchAppExt, wzAppExtension);
ExitOnFailure(hr, "Failed to copy app extension string");
wzAppExt += lstrlenW(wzAppExtension) + 1;
cchAppExt -= lstrlenW(wzAppExtension) + 1;
pswappext = pswappext->pswappextNext;
}
if (*wzAppExtensions)
{
hr = ScaWriteMetabaseValue(piMetabase, wzRootOfWeb, NULL, MD_SCRIPT_MAPS, METADATA_INHERIT, IIS_MD_UT_FILE, MULTISZ_METADATA, wzAppExtensions);
ExitOnFailure(hr, "Failed to write AppExtension: '%ls'", wzAppExtension);
}
LExit:
return hr;
}
void ScaWebAppExtensionsFreeList(
__in SCA_WEB_APPLICATION_EXTENSION* pswappextList
)
{
SCA_WEB_APPLICATION_EXTENSION* pswappextDelete = pswappextList;
while (pswappextList)
{
pswappextDelete = pswappextList;
pswappextList = pswappextList->pswappextNext;
MemFree(pswappextDelete);
}
}
// private helper functions
static HRESULT NewAppExt(
__out SCA_WEB_APPLICATION_EXTENSION** ppswappext
)
{
HRESULT hr = S_OK;
SCA_WEB_APPLICATION_EXTENSION* pswappext = static_cast<SCA_WEB_APPLICATION_EXTENSION*>(MemAlloc(sizeof(SCA_WEB_APPLICATION_EXTENSION), TRUE));
ExitOnNull(pswappext, hr, E_OUTOFMEMORY, "failed to allocate memory for new web app ext element");
*ppswappext = pswappext;
LExit:
return hr;
}
static SCA_WEB_APPLICATION_EXTENSION* AddAppExtToList(
__in SCA_WEB_APPLICATION_EXTENSION* pswappextList,
__in SCA_WEB_APPLICATION_EXTENSION* pswappext
)
{
if (pswappextList)
{
SCA_WEB_APPLICATION_EXTENSION* pswappextT = pswappextList;
while (pswappextT->pswappextNext)
{
pswappextT = pswappextT->pswappextNext;
}
pswappextT->pswappextNext = pswappext;
}
else
{
pswappextList = pswappext;
}
return pswappextList;
}
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