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mbedtls: Re-apply upstream PR 1453 after #36823 

For some weird reason 'git apply' does not error out when it does nothing,
so I missed that I did not apply the patch properly in #36823...

This broke the UWP 32-bit x86 build.

(cherry picked from commit 9a727714ee)
This commit is contained in:
Rémi Verschelde 2020-03-09 16:03:04 +01:00
parent 9b8f66a825
commit 1e9c726231
2 changed files with 52 additions and 9 deletions
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29
thirdparty/mbedtls/library/entropy_poll.c vendored
View File

@ -61,28 +61,43 @@
#define _WIN32_WINNT 0x0400
#endif
#include <windows.h>
#include <wincrypt.h>
#include <bcrypt.h>
#if defined(_MSC_VER) && _MSC_VER <= 1600
/* Visual Studio 2010 and earlier issue a warning when both <stdint.h> and
* <intsafe.h> are included, as they redefine a number of <TYPE>_MAX constants.
* These constants are guaranteed to be the same, though, so we suppress the
* warning when including intsafe.h.
*/
#pragma warning( push )
#pragma warning( disable : 4005 )
#endif
#include <intsafe.h>
#if defined(_MSC_VER) && _MSC_VER <= 1600
#pragma warning( pop )
#endif
int mbedtls_platform_entropy_poll( void *data, unsigned char *output, size_t len,
size_t *olen )
{
HCRYPTPROV provider;
ULONG len_as_ulong = 0;
((void) data);
*olen = 0;
if( CryptAcquireContext( &provider, NULL, NULL,
PROV_RSA_FULL, CRYPT_VERIFYCONTEXT ) == FALSE )
/*
* BCryptGenRandom takes ULONG for size, which is smaller than size_t on
* 64-bit Windows platforms. Ensure len's value can be safely converted into
* a ULONG.
*/
if ( FAILED( SizeTToULong( len, &len_as_ulong ) ) )
{
return( MBEDTLS_ERR_ENTROPY_SOURCE_FAILED );
}
if( CryptGenRandom( provider, (DWORD) len, output ) == FALSE )
if ( !BCRYPT_SUCCESS( BCryptGenRandom( NULL, output, len_as_ulong, BCRYPT_USE_SYSTEM_PREFERRED_RNG ) ) )
{
CryptReleaseContext( provider, 0 );
return( MBEDTLS_ERR_ENTROPY_SOURCE_FAILED );
}
CryptReleaseContext( provider, 0 );
*olen = len;
return( 0 );

32
thirdparty/mbedtls/library/x509_crt.c vendored
View File

@ -65,6 +65,19 @@
#if defined(_WIN32) && !defined(EFIX64) && !defined(EFI32)
#include <windows.h>
#if defined(_MSC_VER) && _MSC_VER <= 1600
/* Visual Studio 2010 and earlier issue a warning when both <stdint.h> and
* <intsafe.h> are included, as they redefine a number of <TYPE>_MAX constants.
* These constants are guaranteed to be the same, though, so we suppress the
* warning when including intsafe.h.
*/
#pragma warning( push )
#pragma warning( disable : 4005 )
#endif
#include <intsafe.h>
#if defined(_MSC_VER) && _MSC_VER <= 1600
#pragma warning( pop )
#endif
#else
#include <time.h>
#endif
@ -1277,6 +1290,7 @@ int mbedtls_x509_crt_parse_path( mbedtls_x509_crt *chain, const char *path )
char filename[MAX_PATH];
char *p;
size_t len = strlen( path );
int lengthAsInt = 0;
WIN32_FIND_DATAW file_data;
HANDLE hFind;
@ -1291,7 +1305,18 @@ int mbedtls_x509_crt_parse_path( mbedtls_x509_crt *chain, const char *path )
p = filename + len;
filename[len++] = '*';
w_ret = MultiByteToWideChar( CP_ACP, 0, filename, (int)len, szDir,
if ( FAILED ( SizeTToInt( len, &lengthAsInt ) ) )
return( MBEDTLS_ERR_X509_FILE_IO_ERROR );
/*
* Note this function uses the code page CP_ACP, and assumes the incoming
* string is encoded in ANSI, before translating it into Unicode. If the
* incoming string were changed to be UTF-8, then the length check needs to
* change to check the number of characters, not the number of bytes, in the
* incoming string are less than MAX_PATH to avoid a buffer overrun with
* MultiByteToWideChar().
*/
w_ret = MultiByteToWideChar( CP_ACP, 0, filename, lengthAsInt, szDir,
MAX_PATH - 3 );
if( w_ret == 0 )
return( MBEDTLS_ERR_X509_BAD_INPUT_DATA );
@ -1308,8 +1333,11 @@ int mbedtls_x509_crt_parse_path( mbedtls_x509_crt *chain, const char *path )
if( file_data.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY )
continue;
if ( FAILED( SizeTToInt( wcslen( file_data.cFileName ), &lengthAsInt ) ) )
return( MBEDTLS_ERR_X509_FILE_IO_ERROR );
w_ret = WideCharToMultiByte( CP_ACP, 0, file_data.cFileName,
lstrlenW( file_data.cFileName ),
lengthAsInt,
p, (int) len - 1,
NULL, NULL );
if( w_ret == 0 )