AuroraMiddleware/mbedtls
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Read max_fragment_length extension (server)

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This commit is contained in:
Manuel Pégourié-Gonnard 2013-07-17 10:25:37 +02:00
parent 787b658bb3
commit 48f8d0dbbd
2 changed files with 26 additions and 0 deletions
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2
include/polarssl/ssl.h
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@ -247,6 +247,8 @@
#define TLS_EXT_SERVERNAME 0
#define TLS_EXT_SERVERNAME_HOSTNAME 0
#define TLS_EXT_MAX_FRAGMENT_LENGTH 1
#define TLS_EXT_SUPPORTED_ELLIPTIC_CURVES 10
#define TLS_EXT_SUPPORTED_POINT_FORMATS 11

24
library/ssl_srv.c
View File

@ -291,6 +291,22 @@ static int ssl_parse_supported_point_formats( ssl_context *ssl,
}
#endif /* POLARSSL_ECP_C */
static int ssl_parse_max_fragment_length_ext( ssl_context *ssl,
const unsigned char *buf,
size_t len )
{
int ret;
if( len != 1 ||
( ret = ssl_set_max_frag_len( ssl, buf[0] ) ) != 0 )
{
SSL_DEBUG_MSG( 1, ( "bad client hello message" ) );
return( POLARSSL_ERR_SSL_BAD_HS_CLIENT_HELLO );
}
return( 0 );
}
#if defined(POLARSSL_SSL_SRV_SUPPORT_SSLV2_CLIENT_HELLO)
static int ssl_parse_client_hello_v2( ssl_context *ssl )
{
@ -825,6 +841,14 @@ static int ssl_parse_client_hello( ssl_context *ssl )
break;
#endif /* POLARSSL_ECP_C */
case TLS_EXT_MAX_FRAGMENT_LENGTH:
SSL_DEBUG_MSG( 3, ( "found max fragment length extension" ) );
ret = ssl_parse_max_fragment_length_ext( ssl, ext + 4, ext_size );
if( ret != 0 )
return( ret );
break;
default:
SSL_DEBUG_MSG( 3, ( "unknown extension found: %d (ignoring)",
ext_id ) );