Added max length checking of hostname

This commit is contained in:
Simon Butcher 2015-09-30 00:45:21 +01:00
parent 2cf9696785
commit 13ca8951f9
2 changed files with 5 additions and 0 deletions

View file

@ -121,6 +121,8 @@
#define SSL_LEGACY_ALLOW_RENEGOTIATION 1
#define SSL_LEGACY_BREAK_HANDSHAKE 2
#define SSL_MAX_HOST_NAME_LEN 255 /*!< Maximum host name defined in RFC 1035 */
/*
* Size of the input / output buffer.
* Note: the RFC defines the default size of SSL / TLS messages. If you

View file

@ -3350,6 +3350,9 @@ int ssl_set_hostname( ssl_context *ssl, const char *hostname )
if( ssl->hostname_len + 1 == 0 )
return( POLARSSL_ERR_SSL_BAD_INPUT_DATA );
if( ssl->hostname_len > SSL_MAX_HOST_NAME_LEN )
return( POLARSSL_ERR_SSL_BAD_INPUT_DATA );
ssl->hostname = (unsigned char *) malloc( ssl->hostname_len + 1 );
if( ssl->hostname == NULL )