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/*
* Copyright (C) 2019-2025 Intel Corporation
*
* SPDX-License-Identifier: MIT
*
*/
#include "shared/source/os_interface/windows/os_library_win.h"
#include "shared/source/helpers/debug_helpers.h"
#include "shared/source/os_interface/windows/sys_calls.h"
#include <iomanip>
#include <regex>
#include <sstream>
namespace NEO {
OsLibrary *OsLibrary::load(const OsLibraryCreateProperties &properties) {
Windows::OsLibrary *ptr = new Windows::OsLibrary(properties);
if (!ptr->isLoaded()) {
delete ptr;
return nullptr;
}
return ptr;
}
const std::string OsLibrary::createFullSystemPath(const std::string &name) {
CHAR buff[MAX_PATH];
UINT ret = 0;
ret = Windows::OsLibrary::getSystemDirectoryA(buff, MAX_PATH);
buff[ret] = '\\';
buff[ret + 1] = 0;
strncat_s(&buff[0], sizeof(buff), name.c_str(), _TRUNCATE);
return std::string(buff);
}
namespace Windows {
decltype(&GetModuleHandleA) OsLibrary::getModuleHandleA = GetModuleHandleA;
decltype(&LoadLibraryExA) OsLibrary::loadLibraryExA = LoadLibraryExA;
decltype(&GetModuleFileNameA) OsLibrary::getModuleFileNameA = GetModuleFileNameA;
decltype(&GetSystemDirectoryA) OsLibrary::getSystemDirectoryA = GetSystemDirectoryA;
decltype(&FreeLibrary) OsLibrary::freeLibrary = FreeLibrary;
extern "C" IMAGE_DOS_HEADER __ImageBase; // NOLINT(readability-identifier-naming)
__inline HINSTANCE getModuleHINSTANCE() { return (HINSTANCE)&__ImageBase; }
void OsLibrary::getLastErrorString(std::string *errorValue) {
DWORD errorID = GetLastError();
if (errorID && errorValue != nullptr) {
LPSTR tempErrorMessage = nullptr;
FormatMessageA(FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS,
NULL, errorID, MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), (LPSTR)&tempErrorMessage, 0, NULL);
errorValue->assign(tempErrorMessage);
LocalFree(tempErrorMessage);
}
}
HMODULE OsLibrary::loadDependency(const std::string &dependencyFileName) const {
char dllPath[MAX_PATH];
DWORD length = getModuleFileNameA(getModuleHINSTANCE(), dllPath, MAX_PATH);
for (DWORD idx = length; idx > 0; idx--) {
if (dllPath[idx - 1] == '\\') {
dllPath[idx] = '\0';
break;
}
}
strcat_s(dllPath, MAX_PATH, dependencyFileName.c_str());
return loadLibraryExA(dllPath, NULL, 0);
}
OsLibrary::OsLibrary(const OsLibraryCreateProperties &properties) {
if (properties.libraryName.empty()) {
this->handle = getModuleHandleA(nullptr);
this->selfOpen = true;
} else {
if (properties.performSelfLoad) {
this->handle = getModuleHandleA(properties.libraryName.c_str());
this->selfOpen = true;
} else {
this->handle = loadDependency(properties.libraryName);
if (this->handle == nullptr) {
this->handle = loadLibraryExA(properties.libraryName.c_str(), NULL, LOAD_LIBRARY_SEARCH_SYSTEM32);
}
}
if ((this->handle == nullptr) && (properties.errorValue != nullptr)) {
getLastErrorString(properties.errorValue);
}
}
}
OsLibrary::~OsLibrary() {
if (!this->selfOpen && this->handle) {
freeLibrary(this->handle);
this->handle = nullptr;
}
}
bool OsLibrary::isLoaded() {
return this->handle != nullptr;
}
void *OsLibrary::getProcAddress(const std::string &procName) {
return reinterpret_cast<void *>(::GetProcAddress(this->handle, procName.c_str()));
}
std::string OsLibrary::getFullPath() {
char dllPath[MAX_PATH];
getModuleFileNameA(getModuleHINSTANCE(), dllPath, MAX_PATH);
return std::string(dllPath);
}
} // namespace Windows
bool getLoadedLibVersion(const std::string &libName, const std::string ®exVersionPattern, std::string &outVersion, std::string &errReason) {
HMODULE mod = NULL;
auto ret = SysCalls::getModuleHandleExW(GET_MODULE_HANDLE_EX_FLAG_UNCHANGED_REFCOUNT, std::wstring(libName.begin(), libName.end()).c_str(), &mod);
if (0 == ret) {
errReason = "Failed to read info of " + libName + " - GetModuleHandleExA failed, GetLastError=" + std::to_string(SysCalls::getLastError());
return false;
}
wchar_t path[MAX_PATH];
DWORD length = SysCalls::getModuleFileNameW(mod, path, MAX_PATH);
if (0 == length) {
errReason = "Failed to read info of " + libName + " - GetModuleFileName failed, GetLastError=" + std::to_string(SysCalls::getLastError());
return false;
}
std::wstring trimmedPath = {path, length};
DWORD infoVersioSize = SysCalls::getFileVersionInfoSizeW(trimmedPath.c_str(), nullptr);
if (0 == infoVersioSize) {
errReason = "Failed to read info of " + libName + " - GetFileVersionInfoSize failed, GetLastError=" + std::to_string(SysCalls::getLastError());
return false;
}
std::vector<char> fileInformationBackingStorage;
fileInformationBackingStorage.resize(infoVersioSize);
ret = SysCalls::getFileVersionInfoW(path, 0, static_cast<DWORD>(fileInformationBackingStorage.size()), fileInformationBackingStorage.data());
if (0 == ret) {
errReason = "Failed to read info of " + libName + " - GetFileVersionInfo failed, GetLastError=" + std::to_string(SysCalls::getLastError());
return false;
}
struct LangCodePage {
WORD lang;
WORD codePage;
};
LangCodePage *translateInfo = nullptr;
unsigned int langCodePagesSize = 0;
ret = SysCalls::verQueryValueW(fileInformationBackingStorage.data(), L"\\VarFileInfo\\Translation", reinterpret_cast<LPVOID *>(&translateInfo), &langCodePagesSize);
if (0 == ret) {
errReason = "Failed to read info of " + libName + " - VerQueryValue(\\VarFileInfo\\Translation) failed, GetLastError=" + std::to_string(SysCalls::getLastError());
return false;
}
auto truncateWstringToString = [](const std::wstring &ws) {
std::string ret;
std::transform(ws.begin(), ws.end(), std::back_inserter(ret), [](wchar_t wc) { return static_cast<char>(wc); });
return ret;
};
size_t langCodePagesCount = (langCodePagesSize / sizeof(LangCodePage));
std::regex versionPattern{regexVersionPattern};
for (size_t j = 0; j < langCodePagesCount; ++j) {
std::wstringstream subBlockPath;
subBlockPath << L"\\StringFileInfo\\";
subBlockPath << std::setw(4) << std::setfill(L'0') << std::hex << translateInfo[j].lang;
subBlockPath << std::setw(4) << std::setfill(L'0') << std::hex << translateInfo[j].codePage;
subBlockPath << L"\\ProductVersion";
wchar_t *data;
unsigned int len = 0;
ret = SysCalls::verQueryValueW(fileInformationBackingStorage.data(), subBlockPath.str().c_str(), (LPVOID *)&data, &len);
if (0 == ret) {
errReason = "Failed to read info of " + libName + " - VerQueryValue(" + truncateWstringToString(subBlockPath.str()) + ") failed, GetLastError=" + std::to_string(SysCalls::getLastError());
return false;
}
auto sdata = truncateWstringToString(data);
if (std::regex_search(sdata, versionPattern)) {
outVersion = std::move(sdata);
return true;
}
}
errReason = "Could not find version info for " + std::string(libName) + " that would satisfy expected pattern\n";
return false;
}
} // namespace NEO
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