godot/drivers/builtin_openssl2/winrt.cpp

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