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Diffstat (limited to 'thirdparty/mbedtls/library/x509_crt.c')
-rw-r--r--thirdparty/mbedtls/library/x509_crt.c40
1 files changed, 36 insertions, 4 deletions
diff --git a/thirdparty/mbedtls/library/x509_crt.c b/thirdparty/mbedtls/library/x509_crt.c
index c6209fb40d..2a5dbb8783 100644
--- a/thirdparty/mbedtls/library/x509_crt.c
+++ b/thirdparty/mbedtls/library/x509_crt.c
@@ -62,6 +62,19 @@
#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
@@ -133,7 +146,8 @@ const mbedtls_x509_crt_profile mbedtls_x509_crt_profile_suiteb =
MBEDTLS_X509_ID_FLAG( MBEDTLS_MD_SHA256 ) |
MBEDTLS_X509_ID_FLAG( MBEDTLS_MD_SHA384 ),
/* Only ECDSA */
- MBEDTLS_X509_ID_FLAG( MBEDTLS_PK_ECDSA ),
+ MBEDTLS_X509_ID_FLAG( MBEDTLS_PK_ECDSA ) |
+ MBEDTLS_X509_ID_FLAG( MBEDTLS_PK_ECKEY ),
#if defined(MBEDTLS_ECP_C)
/* Only NIST P-256 and P-384 */
MBEDTLS_X509_ID_FLAG( MBEDTLS_ECP_DP_SECP256R1 ) |
@@ -472,9 +486,12 @@ static int x509_get_subject_alt_name( unsigned char **p,
if( ( ret = mbedtls_asn1_get_len( p, end, &tag_len ) ) != 0 )
return( MBEDTLS_ERR_X509_INVALID_EXTENSIONS + ret );
- if( ( tag & MBEDTLS_ASN1_CONTEXT_SPECIFIC ) != MBEDTLS_ASN1_CONTEXT_SPECIFIC )
+ if( ( tag & MBEDTLS_ASN1_TAG_CLASS_MASK ) !=
+ MBEDTLS_ASN1_CONTEXT_SPECIFIC )
+ {
return( MBEDTLS_ERR_X509_INVALID_EXTENSIONS +
MBEDTLS_ERR_ASN1_UNEXPECTED_TAG );
+ }
/* Skip everything but DNS name */
if( tag != ( MBEDTLS_ASN1_CONTEXT_SPECIFIC | 2 ) )
@@ -1110,6 +1127,7 @@ 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;
@@ -1124,7 +1142,18 @@ 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 );
@@ -1141,8 +1170,11 @@ 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 )