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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"
// Exit macros
#define ButilExitOnLastError(x, s, ...) ExitOnLastErrorSource(DUTIL_SOURCE_BUTIL, x, s, __VA_ARGS__)
#define ButilExitOnLastErrorDebugTrace(x, s, ...) ExitOnLastErrorDebugTraceSource(DUTIL_SOURCE_BUTIL, x, s, __VA_ARGS__)
#define ButilExitWithLastError(x, s, ...) ExitWithLastErrorSource(DUTIL_SOURCE_BUTIL, x, s, __VA_ARGS__)
#define ButilExitOnFailure(x, s, ...) ExitOnFailureSource(DUTIL_SOURCE_BUTIL, x, s, __VA_ARGS__)
#define ButilExitOnRootFailure(x, s, ...) ExitOnRootFailureSource(DUTIL_SOURCE_BUTIL, x, s, __VA_ARGS__)
#define ButilExitOnFailureDebugTrace(x, s, ...) ExitOnFailureDebugTraceSource(DUTIL_SOURCE_BUTIL, x, s, __VA_ARGS__)
#define ButilExitOnNull(p, x, e, s, ...) ExitOnNullSource(DUTIL_SOURCE_BUTIL, p, x, e, s, __VA_ARGS__)
#define ButilExitOnNullWithLastError(p, x, s, ...) ExitOnNullWithLastErrorSource(DUTIL_SOURCE_BUTIL, p, x, s, __VA_ARGS__)
#define ButilExitOnNullDebugTrace(p, x, e, s, ...) ExitOnNullDebugTraceSource(DUTIL_SOURCE_BUTIL, p, x, e, s, __VA_ARGS__)
#define ButilExitOnInvalidHandleWithLastError(p, x, s, ...) ExitOnInvalidHandleWithLastErrorSource(DUTIL_SOURCE_BUTIL, p, x, s, __VA_ARGS__)
#define ButilExitOnWin32Error(e, x, s, ...) ExitOnWin32ErrorSource(DUTIL_SOURCE_BUTIL, e, x, s, __VA_ARGS__)
// constants
// From engine/registration.h
const LPCWSTR BUNDLE_REGISTRATION_REGISTRY_UNINSTALL_KEY = L"SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\Uninstall";
const LPCWSTR BUNDLE_REGISTRATION_REGISTRY_BUNDLE_UPGRADE_CODE = L"BundleUpgradeCode";
const LPCWSTR BUNDLE_REGISTRATION_REGISTRY_BUNDLE_PROVIDER_KEY = L"BundleProviderKey";
// Forward declarations.
/********************************************************************
OpenBundleKey - Opens the bundle uninstallation key for a given bundle
NOTE: caller is responsible for closing key
********************************************************************/
static HRESULT OpenBundleKey(
__in_z LPCWSTR wzBundleId,
__in BUNDLE_INSTALL_CONTEXT context,
__inout HKEY *key);
extern "C" HRESULT DAPI BundleGetBundleInfo(
__in_z LPCWSTR wzBundleId,
__in_z LPCWSTR wzAttribute,
__out_ecount_opt(*pcchValueBuf) LPWSTR lpValueBuf,
__inout_opt LPDWORD pcchValueBuf
)
{
Assert(wzBundleId && wzAttribute);
HRESULT hr = S_OK;
BUNDLE_INSTALL_CONTEXT context = BUNDLE_INSTALL_CONTEXT_MACHINE;
LPWSTR sczValue = NULL;
HKEY hkBundle = NULL;
DWORD cchSource = 0;
DWORD dwType = 0;
DWORD dwValue = 0;
if ((lpValueBuf && !pcchValueBuf) || !wzBundleId || !wzAttribute)
{
ButilExitOnFailure(hr = E_INVALIDARG, "An invalid parameter was passed to the function.");
}
if (FAILED(hr = OpenBundleKey(wzBundleId, context = BUNDLE_INSTALL_CONTEXT_MACHINE, &hkBundle)) &&
FAILED(hr = OpenBundleKey(wzBundleId, context = BUNDLE_INSTALL_CONTEXT_USER, &hkBundle)))
{
ButilExitOnFailure(E_FILENOTFOUND == hr ? HRESULT_FROM_WIN32(ERROR_UNKNOWN_PRODUCT) : hr, "Failed to locate bundle uninstall key path.");
}
// If the bundle doesn't have the property defined, return ERROR_UNKNOWN_PROPERTY
hr = RegGetType(hkBundle, wzAttribute, &dwType);
ButilExitOnFailure(E_FILENOTFOUND == hr ? HRESULT_FROM_WIN32(ERROR_UNKNOWN_PROPERTY) : hr, "Failed to locate bundle property.");
switch (dwType)
{
case REG_SZ:
hr = RegReadString(hkBundle, wzAttribute, &sczValue);
ButilExitOnFailure(hr, "Failed to read string property.");
break;
case REG_DWORD:
hr = RegReadNumber(hkBundle, wzAttribute, &dwValue);
ButilExitOnFailure(hr, "Failed to read dword property.");
hr = StrAllocFormatted(&sczValue, L"%d", dwValue);
ButilExitOnFailure(hr, "Failed to format dword property as string.");
break;
default:
ButilExitOnFailure(hr = E_NOTIMPL, "Reading bundle info of type 0x%x not implemented.", dwType);
}
hr = ::StringCchLengthW(sczValue, STRSAFE_MAX_CCH, reinterpret_cast<UINT_PTR*>(&cchSource));
ButilExitOnFailure(hr, "Failed to calculate length of string");
if (lpValueBuf)
{
// cchSource is the length of the string not including the terminating null character
if (*pcchValueBuf <= cchSource)
{
*pcchValueBuf = ++cchSource;
ButilExitOnFailure(hr = HRESULT_FROM_WIN32(ERROR_MORE_DATA), "A buffer is too small to hold the requested data.");
}
hr = ::StringCchCatNExW(lpValueBuf, *pcchValueBuf, sczValue, cchSource, NULL, NULL, STRSAFE_FILL_BEHIND_NULL);
ButilExitOnFailure(hr, "Failed to copy the property value to the output buffer.");
*pcchValueBuf = cchSource++;
}
LExit:
ReleaseRegKey(hkBundle);
ReleaseStr(sczValue);
return hr;
}
HRESULT DAPI BundleEnumRelatedBundle(
__in_z LPCWSTR wzUpgradeCode,
__in BUNDLE_INSTALL_CONTEXT context,
__inout PDWORD pdwStartIndex,
__out_ecount(MAX_GUID_CHARS+1) LPWSTR lpBundleIdBuf
)
{
HRESULT hr = S_OK;
HKEY hkRoot = BUNDLE_INSTALL_CONTEXT_USER == context ? HKEY_CURRENT_USER : HKEY_LOCAL_MACHINE;
HKEY hkUninstall = NULL;
HKEY hkBundle = NULL;
LPWSTR sczUninstallSubKey = NULL;
DWORD cchUninstallSubKey = 0;
LPWSTR sczUninstallSubKeyPath = NULL;
LPWSTR sczValue = NULL;
DWORD dwType = 0;
LPWSTR* rgsczBundleUpgradeCodes = NULL;
DWORD cBundleUpgradeCodes = 0;
BOOL fUpgradeCodeFound = FALSE;
if (!wzUpgradeCode || !lpBundleIdBuf || !pdwStartIndex)
{
ButilExitOnFailure(hr = E_INVALIDARG, "An invalid parameter was passed to the function.");
}
hr = RegOpen(hkRoot, BUNDLE_REGISTRATION_REGISTRY_UNINSTALL_KEY, KEY_READ, &hkUninstall);
ButilExitOnFailure(hr, "Failed to open bundle uninstall key path.");
for (DWORD dwIndex = *pdwStartIndex; !fUpgradeCodeFound; dwIndex++)
{
hr = RegKeyEnum(hkUninstall, dwIndex, &sczUninstallSubKey);
ButilExitOnFailure(hr, "Failed to enumerate bundle uninstall key path.");
hr = StrAllocFormatted(&sczUninstallSubKeyPath, L"%ls\\%ls", BUNDLE_REGISTRATION_REGISTRY_UNINSTALL_KEY, sczUninstallSubKey);
ButilExitOnFailure(hr, "Failed to allocate bundle uninstall key path.");
hr = RegOpen(hkRoot, sczUninstallSubKeyPath, KEY_READ, &hkBundle);
ButilExitOnFailure(hr, "Failed to open uninstall key path.");
// If it's a bundle, it should have a BundleUpgradeCode value of type REG_SZ (old) or REG_MULTI_SZ
hr = RegGetType(hkBundle, BUNDLE_REGISTRATION_REGISTRY_BUNDLE_UPGRADE_CODE, &dwType);
if (FAILED(hr))
{
ReleaseRegKey(hkBundle);
ReleaseNullStr(sczUninstallSubKey);
ReleaseNullStr(sczUninstallSubKeyPath);
// Not a bundle
continue;
}
switch (dwType)
{
case REG_SZ:
hr = RegReadString(hkBundle, BUNDLE_REGISTRATION_REGISTRY_BUNDLE_UPGRADE_CODE, &sczValue);
ButilExitOnFailure(hr, "Failed to read BundleUpgradeCode string property.");
if (CSTR_EQUAL == ::CompareStringW(LOCALE_INVARIANT, NORM_IGNORECASE, sczValue, -1, wzUpgradeCode, -1))
{
*pdwStartIndex = dwIndex;
fUpgradeCodeFound = TRUE;
break;
}
ReleaseNullStr(sczValue);
break;
case REG_MULTI_SZ:
hr = RegReadStringArray(hkBundle, BUNDLE_REGISTRATION_REGISTRY_BUNDLE_UPGRADE_CODE, &rgsczBundleUpgradeCodes, &cBundleUpgradeCodes);
ButilExitOnFailure(hr, "Failed to read BundleUpgradeCode multi-string property.");
for (DWORD i = 0; i < cBundleUpgradeCodes; i++)
{
LPWSTR wzBundleUpgradeCode = rgsczBundleUpgradeCodes[i];
if (wzBundleUpgradeCode && *wzBundleUpgradeCode)
{
if (CSTR_EQUAL == ::CompareStringW(LOCALE_INVARIANT, NORM_IGNORECASE, wzBundleUpgradeCode, -1, wzUpgradeCode, -1))
{
*pdwStartIndex = dwIndex;
fUpgradeCodeFound = TRUE;
break;
}
}
}
ReleaseNullStrArray(rgsczBundleUpgradeCodes, cBundleUpgradeCodes);
break;
default:
ButilExitOnFailure(hr = E_NOTIMPL, "BundleUpgradeCode of type 0x%x not implemented.", dwType);
}
if (fUpgradeCodeFound)
{
if (lpBundleIdBuf)
{
hr = ::StringCchLengthW(sczUninstallSubKey, STRSAFE_MAX_CCH, reinterpret_cast<UINT_PTR*>(&cchUninstallSubKey));
ButilExitOnFailure(hr, "Failed to calculate length of string");
hr = ::StringCchCopyNExW(lpBundleIdBuf, MAX_GUID_CHARS + 1, sczUninstallSubKey, cchUninstallSubKey, NULL, NULL, STRSAFE_FILL_BEHIND_NULL);
ButilExitOnFailure(hr, "Failed to copy the property value to the output buffer.");
}
break;
}
// Cleanup before next iteration
ReleaseRegKey(hkBundle);
ReleaseNullStr(sczUninstallSubKey);
ReleaseNullStr(sczUninstallSubKeyPath);
}
LExit:
ReleaseStr(sczValue);
ReleaseStr(sczUninstallSubKey);
ReleaseStr(sczUninstallSubKeyPath);
ReleaseRegKey(hkBundle);
ReleaseRegKey(hkUninstall);
ReleaseStrArray(rgsczBundleUpgradeCodes, cBundleUpgradeCodes);
return hr;
}
HRESULT OpenBundleKey(
__in_z LPCWSTR wzBundleId,
__in BUNDLE_INSTALL_CONTEXT context,
__inout HKEY *key)
{
Assert(key && wzBundleId);
AssertSz(NULL == *key, "*key should be null");
HRESULT hr = S_OK;
HKEY hkRoot = BUNDLE_INSTALL_CONTEXT_USER == context ? HKEY_CURRENT_USER : HKEY_LOCAL_MACHINE;
LPWSTR sczKeypath = NULL;
hr = StrAllocFormatted(&sczKeypath, L"%ls\\%ls", BUNDLE_REGISTRATION_REGISTRY_UNINSTALL_KEY, wzBundleId);
ButilExitOnFailure(hr, "Failed to allocate bundle uninstall key path.");
hr = RegOpen(hkRoot, sczKeypath, KEY_READ, key);
ButilExitOnFailure(hr, "Failed to open bundle uninstall key path.");
LExit:
ReleaseStr(sczKeypath);
return hr;
}
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