Program Listing for File gpa-secure.h

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/******************************************************************************
Copyright (c) 2023 Intel Corporation.

This software and the related documents are Intel copyrighted materials,
and your use of them is governed by the express license under which they
were provided to you ("License"). Unless the License provides otherwise,
you may not use, modify, copy, publish, distribute, disclose or transmit
this software or the related documents without Intel's prior written
permission.


 This software and the related documents are provided as is, with no express
or implied warranties, other than those that are expressly stated in the
License.

******************************************************************************/

#pragma once
#ifdef _WIN32
#include <Windows.h>
#endif

#include <cstdio>
#include <malloc.h>
#include <stdlib.h>
#include <vector>

#if !defined(GPA_SPRINTF)
#ifdef _WIN32
#define GPA_SPRINTF(dst, count, fmt, ...) sprintf_s(dst, count, fmt, __VA_ARGS__)
#else
#define GPA_SPRINTF(dst, count, fmt, ...) snprintf(dst, count, fmt, __VA_ARGS__)
#endif
#endif

namespace gpa {
namespace secure {

enum SignatureVerifyStatus {
    SIGNATURE_STATUS_UNKNOWN,
    SIGNATURE_VALID,
    SIGNATURE_MISSING,
    SIGNATURE_NOT_TRUSTED,
    SIGNATURE_TRUST_DISABLED,
    SIGNATURE_ERROR,
};

#ifdef _WIN32
SignatureVerifyStatus VerifyEmbeddedSignature(const TCHAR* filePath, const TCHAR** pVerificationFailureMessage = nullptr);

typedef bool (*FSysEnvVarCallBack)(const wchar_t* key, const wchar_t* val, void* context);
bool GetSystemEnvironmentVariables(FSysEnvVarCallBack callback, void* context);
bool GetSafeEnvironment(std::vector<wchar_t>& buffer);  //Only system environment, without user's or process inherited to avoid hacks

HMODULE LoadLibrarySDL(const wchar_t* libFileName, HANDLE fileHandle = nullptr, DWORD flags = 0);
HMODULE LoadLibrarySDL(const char* libFileName, HANDLE fileHandle = nullptr, DWORD flags = 0);
#endif

}  // namespace secure
}  // namespace gpa