mirrors-yuzu-emu/mbedtls
1
0
Fork 0
mirror of https://github.com/yuzu-emu/mbedtls synced 2024-11-25 12:48:56 +00:00
Code Issues Projects Releases Packages Wiki Activity

Read max_fragment_length extension (client)

Browse source
This commit is contained in:
Manuel Pégourié-Gonnard 2013-07-17 10:14:38 +02:00
parent a052849640
commit de600e571a
1 changed files with 28 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

28
library/ssl_cli.c
View file

@ -526,6 +526,23 @@ static int ssl_parse_renegotiation_info( ssl_context *ssl,
return( 0 );
}
static int ssl_parse_max_fragment_length_ext( ssl_context *ssl,
unsigned char *buf,
size_t len )
{
/*
* server should use the extension only if we did,
* and if so the server's value should match ours (and len is always 1)
*/
if( ssl->mfl_code == SSL_MAX_FRAG_LEN_NONE ||
len != 1 ||
buf[0] != ssl->mfl_code )
{
return( POLARSSL_ERR_SSL_BAD_HS_SERVER_HELLO );
}
return( 0 );
}
static int ssl_parse_server_hello( ssl_context *ssl )
{
@ -743,6 +760,17 @@ static int ssl_parse_server_hello( ssl_context *ssl )
break;
case TLS_EXT_MAX_FRAGMENT_LENGTH:
SSL_DEBUG_MSG( 3, ( "found max_fragment_length extension" ) );
if( ( ret = ssl_parse_max_fragment_length_ext( ssl,
ext + 4, ext_size ) ) != 0 )
{
return( ret );
}
break;
default:
SSL_DEBUG_MSG( 3, ( "unknown extension found: %d (ignoring)",
ext_id ) );