128 lines
2.9 KiB
C++
128 lines
2.9 KiB
C++
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/* Snippets extracted from https://github.com/Microsoft/openssl/blob/ec7e430e06e4e3ac87c183dee33cb216814cf980/ms/winrt.cpp
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* Adapted for Godot definitions
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*/
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/* winrt.cpp
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* Copyright 2014 Microsoft Corporation
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* C++/CX Entropy/shims for Windows Phone/Windows Store platform
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* written by Alejandro Jimenez Martinez
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* (aljim@microsoft.com) for the OpenSSL project 2014.
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*/
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#include <windows.h>
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#if defined(WINAPI_FAMILY)
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extern "C" {
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unsigned entropyRT(BYTE *buffer, unsigned len);
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void RAND_add(const void *buf, int num, double entropy);
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int RAND_poll(void);
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}
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#endif
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unsigned entropyRT(BYTE *buffer, unsigned len) {
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using namespace Platform;
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using namespace Windows::Foundation;
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using namespace Windows::Foundation::Collections;
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using namespace Windows::Security::Cryptography;
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using namespace Windows::Storage::Streams;
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IBuffer ^ buf = CryptographicBuffer::GenerateRandom(len);
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Array<unsigned char> ^ arr;
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CryptographicBuffer::CopyToByteArray(buf, &arr);
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unsigned arrayLen = arr->Length;
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// Make sure not to overflow the copy
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arrayLen = (arrayLen > len) ? len : arrayLen;
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memcpy(buffer, arr->Data, arrayLen);
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return arrayLen;
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}
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int RAND_poll(void) {
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BYTE buf[60];
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unsigned collected = entropyRT(buf, sizeof(buf));
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RAND_add(buf, collected, collected);
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return 1;
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}
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#if defined(WINRT_ENABLED)
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extern "C" {
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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void *GetModuleHandle(
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_In_opt_ LPCTSTR lpModuleName) {
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return NULL;
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}
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//no log for phone
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int RegisterEventSource(
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_In_ LPCTSTR lpUNCServerName,
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_In_ LPCTSTR lpSourceName) {
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return NULL;
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}
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int ReportEvent(
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_In_ HANDLE hEventLog,
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_In_ WORD wType,
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_In_ WORD wCategory,
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_In_ DWORD dwEventID,
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_In_ PSID lpUserSid,
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_In_ WORD wNumStrings,
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_In_ DWORD dwDataSize,
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_In_ LPCTSTR *lpStrings,
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_In_ LPVOID lpRawData) {
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return 0;
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}
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int MessageBox(
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_In_opt_ HWND hWnd,
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_In_opt_ LPCTSTR lpText,
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_In_opt_ LPCTSTR lpCaption,
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_In_ UINT uType) {
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return 0;
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}
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int __cdecl GetProcessWindowStation(void) {
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return NULL;
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}
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BOOL __cdecl GetUserObjectInformationW(
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_In_ HANDLE hObj,
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_In_ int nIndex,
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_Out_opt_ PVOID pvInfo,
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_In_ DWORD nLength,
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_Out_opt_ LPDWORD lpnLengthNeeded) {
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return 0;
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}
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int __cdecl GetStdHandle(
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_In_ DWORD nStdHandle) {
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return 0;
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}
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BOOL DeregisterEventSource(
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_Inout_ HANDLE hEventLog) {
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return 0;
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}
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char *getenv(
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const char *varname) {
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//hardcoded environmental variables used for the appx testing application for store/phone
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if (!strcmp(varname, "OPENSSL_CONF")) {
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return "./openssl.cnf";
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}
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return 0;
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}
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int setenv(const char *envname, const char *envval, int overwrite) {
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return -1;
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}
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int _getch(void) {
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return 0;
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}
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int _kbhit() {
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return 0;
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}
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BOOL __cdecl FlushConsoleInputBuffer(
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_In_ HANDLE hConsoleInput) {
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return 0;
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}
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int winrt_GetTickCount(void) {
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LARGE_INTEGER t;
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return (int)(QueryPerformanceCounter(&t) ? t.QuadPart : 0);
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}
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void *OPENSSL_UplinkTable[26] = { 0 };
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} //extern C
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#endif /*defined(WINRT_ENABLED)*/
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