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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"
struct NETCORESEARCH_STATE
{
LPCWSTR wzTargetName;
DWORD dwMajorVersion;
VERUTIL_VERSION* pVersion;
};
static HRESULT GetDotnetEnvironmentInfo(
__in DWORD dwMajorVersion,
__in_z LPCWSTR wzTargetName,
__inout VERUTIL_VERSION** ppVersion
);
static void HOSTFXR_CALLTYPE GetDotnetEnvironmentInfoResult(
__in const hostfxr_dotnet_environment_info* pInfo,
__in LPVOID pvContext
);
int __cdecl wmain(int argc, LPWSTR argv[])
{
HRESULT hr = S_OK;
DWORD dwMajorVersion = 0;
VERUTIL_VERSION* pVersion = NULL;
ConsoleInitialize();
if (argc != 3)
{
ExitFunction1(hr = E_INVALIDARG);
}
hr = StrStringToUInt32(argv[1], 0, reinterpret_cast<UINT*>(&dwMajorVersion));
ConsoleExitOnFailure(hr, CONSOLE_COLOR_RED, "Failed to get target version from: %ls", argv[1]);
hr = GetDotnetEnvironmentInfo(dwMajorVersion, argv[2], &pVersion);
ConsoleExitOnFailure(hr, CONSOLE_COLOR_RED, "Failed to search for .NET Core.");
if (pVersion)
{
ConsoleWriteW(CONSOLE_COLOR_NORMAL, pVersion->sczVersion);
}
LExit:
ReleaseVerutilVersion(pVersion);
ConsoleUninitialize();
return hr;
}
static HRESULT GetDotnetEnvironmentInfo(
__in DWORD dwMajorVersion,
__in_z LPCWSTR wzTargetName,
__inout VERUTIL_VERSION** ppVersion
)
{
HRESULT hr = S_OK;
LPWSTR sczProcessPath = NULL;
LPWSTR sczHostfxrPath = NULL;
HMODULE hModule = NULL;
hostfxr_get_dotnet_environment_info_fn pfnGetDotnetEnvironmentInfo = NULL;
NETCORESEARCH_STATE state = { };
state.dwMajorVersion = dwMajorVersion;
state.wzTargetName = wzTargetName;
hr = PathForCurrentProcess(&sczProcessPath, NULL);
ConsoleExitOnFailure(hr, CONSOLE_COLOR_RED, "Failed to get process path.");
hr = PathGetDirectory(sczProcessPath, &sczHostfxrPath);
ConsoleExitOnFailure(hr, CONSOLE_COLOR_RED, "Failed to get process directory.");
hr = StrAllocConcat(&sczHostfxrPath, L"hostfxr.dll", 0);
ConsoleExitOnFailure(hr, CONSOLE_COLOR_RED, "Failed to build hostfxr path.");
hModule = ::LoadLibraryExW(sczHostfxrPath, NULL, LOAD_WITH_ALTERED_SEARCH_PATH);
ConsoleExitOnNullWithLastError(hModule, hr, CONSOLE_COLOR_RED, "Failed to load hostfxr.");
pfnGetDotnetEnvironmentInfo = (hostfxr_get_dotnet_environment_info_fn)::GetProcAddress(hModule, "hostfxr_get_dotnet_environment_info");
ConsoleExitOnNullWithLastError(pfnGetDotnetEnvironmentInfo, hr, CONSOLE_COLOR_RED, "Failed to get address for hostfxr_get_dotnet_environment_info.");
hr = pfnGetDotnetEnvironmentInfo(NULL, NULL, GetDotnetEnvironmentInfoResult, &state);
ConsoleExitOnFailure(hr, CONSOLE_COLOR_RED, "Failed to get .NET Core environment info.");
if (state.pVersion)
{
*ppVersion = state.pVersion;
state.pVersion = NULL;
}
LExit:
ReleaseVerutilVersion(state.pVersion);
ReleaseStr(sczHostfxrPath);
ReleaseStr(sczProcessPath);
if (hModule)
{
::FreeLibrary(hModule);
}
return hr;
}
static void HOSTFXR_CALLTYPE GetDotnetEnvironmentInfoResult(
__in const hostfxr_dotnet_environment_info* pInfo,
__in LPVOID pvContext
)
{
NETCORESEARCH_STATE* pState = reinterpret_cast<NETCORESEARCH_STATE*>(pvContext);
HRESULT hr = S_OK;
VERUTIL_VERSION* pFrameworkVersion = NULL;
int nCompare = 0;
for (size_t i = 0; i < pInfo->framework_count; ++i)
{
const hostfxr_dotnet_environment_framework_info* pFrameworkInfo = pInfo->frameworks + i;
ReleaseVerutilVersion(pFrameworkVersion);
if (CSTR_EQUAL != ::CompareStringW(LOCALE_INVARIANT, NORM_IGNORECASE, pState->wzTargetName, -1, pFrameworkInfo->name, -1))
{
continue;
}
hr = VerParseVersion(pFrameworkInfo->version, 0, FALSE, &pFrameworkVersion);
ConsoleExitOnFailure(hr, CONSOLE_COLOR_RED, "Failed to parse framework version: %ls", pFrameworkInfo->version);
if (pFrameworkVersion->dwMajor != pState->dwMajorVersion)
{
continue;
}
if (pState->pVersion)
{
hr = VerCompareParsedVersions(pState->pVersion, pFrameworkVersion, &nCompare);
ConsoleExitOnFailure(hr, CONSOLE_COLOR_RED, "Failed to compare versions.");
if (nCompare > -1)
{
continue;
}
}
ReleaseVerutilVersion(pState->pVersion);
pState->pVersion = pFrameworkVersion;
pFrameworkVersion = NULL;
}
LExit:
ReleaseVerutilVersion(pFrameworkVersion);
}
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