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More minor fix

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Signed-off-by: Johan Pascal <johan.pascal@belledonne-communications.com>
This commit is contained in:
Johan Pascal 2020-10-26 21:24:25 +01:00
parent 76fdf1d60e
commit adbd9449ec
1 changed files with 6 additions and 3 deletions
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9
library/ssl_cli.c
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@ -1878,7 +1878,7 @@ static int ssl_parse_use_srtp_ext( mbedtls_ssl_context *ssl,
* + mki_len(1 byte)
* and optional srtp_mki
*/
if( len != ( buf[4] + 5u ) )
if( ( len < 5 ) || ( len != ( buf[4] + 5u ) ) )
return( MBEDTLS_ERR_SSL_BAD_HS_SERVER_HELLO );
/*
@ -2524,8 +2524,11 @@ static int ssl_parse_server_hello( mbedtls_ssl_context *ssl )
case MBEDTLS_TLS_EXT_USE_SRTP:
MBEDTLS_SSL_DEBUG_MSG( 3, ( "found use_srtp extension" ) );
if( ( ret = ssl_parse_use_srtp_ext( ssl, ext + 4, ext_size ) ) != 0 )
return( ret );
if ( ssl->conf->transport == MBEDTLS_SSL_TRANSPORT_DATAGRAM )
{
if( ( ret = ssl_parse_use_srtp_ext( ssl, ext + 4, ext_size ) ) != 0 )
return( ret );
}
break;
#endif /* MBEDTLS_SSL_DTLS_SRTP */