1 files changed, 120 insertions, 0 deletions
diff --git a/thirdparty/mbedtls/1453.diff b/thirdparty/mbedtls/1453.diff
new file mode 100644
index 0000000000..acc3654cd4
--- /dev/null
+++ b/thirdparty/mbedtls/1453.diff
@@ -0,0 +1,120 @@
+diff --git a/thirdparty/mbedtls/library/entropy_poll.c b/thirdparty/mbedtls/library/entropy_poll.c
+index 67900c46c8..cefe882d2a 100644
+--- a/thirdparty/mbedtls/library/entropy_poll.c
++++ b/thirdparty/mbedtls/library/entropy_poll.c
+@@ -54,28 +54,43 @@
+ #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 );
+diff --git a/thirdparty/mbedtls/library/x509_crt.c b/thirdparty/mbedtls/library/x509_crt.c
+index afff4e18bf..7960fa1a1a 100644
+--- a/thirdparty/mbedtls/library/x509_crt.c
++++ b/thirdparty/mbedtls/library/x509_crt.c
+@@ -64,6 +64,19 @@
+ 
+ #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
+@@ -1130,6 +1143,7 @@ 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;
+@@ -1144,7 +1158,18 @@ 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 );
+@@ -1161,8 +1186,11 @@ 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 )