fix various issues

- Signature of
  - mbedtls_tls13_set_hs_sent_ext_mask
  - check_received_extension and issues
- Also fix comment issue.
- improve readablity.

Signed-off-by: Jerry Yu <jerry.h.yu@arm.com>
This commit is contained in:
Jerry Yu 2022-10-29 09:08:47 +08:00
parent 03112ae022
commit c4bf5d658e
6 changed files with 84 additions and 94 deletions

View File

@ -107,8 +107,7 @@ static int ssl_write_hostname_ext( mbedtls_ssl_context *ssl,
*olen = hostname_len + 9;
#if defined(MBEDTLS_SSL_PROTO_TLS1_3)
mbedtls_tls13_set_sent_ext_mask( ssl,
MBEDTLS_TLS_EXT_SERVERNAME );
mbedtls_ssl_tls13_set_hs_sent_ext_mask( ssl, MBEDTLS_TLS_EXT_SERVERNAME );
MBEDTLS_SSL_DEBUG_MSG(
4, ( "sent %s extension",
mbedtls_tls13_get_extension_name(
@ -186,8 +185,7 @@ static int ssl_write_alpn_ext( mbedtls_ssl_context *ssl,
MBEDTLS_PUT_UINT16_BE( *out_len - 4, buf, 2 );
#if defined(MBEDTLS_SSL_PROTO_TLS1_3)
mbedtls_tls13_set_sent_ext_mask( ssl,
MBEDTLS_TLS_EXT_ALPN );
mbedtls_ssl_tls13_set_hs_sent_ext_mask( ssl, MBEDTLS_TLS_EXT_ALPN );
MBEDTLS_SSL_DEBUG_MSG(
4, ( "sent %s extension",
mbedtls_tls13_get_extension_name(
@ -312,8 +310,7 @@ static int ssl_write_supported_groups_ext( mbedtls_ssl_context *ssl,
*out_len = p - buf;
#if defined(MBEDTLS_SSL_PROTO_TLS1_3)
mbedtls_tls13_set_sent_ext_mask( ssl,
MBEDTLS_TLS_EXT_SUPPORTED_GROUPS );
mbedtls_ssl_tls13_set_hs_sent_ext_mask( ssl, MBEDTLS_TLS_EXT_SUPPORTED_GROUPS );
MBEDTLS_SSL_DEBUG_MSG( 4, ( "sent %s extension",
mbedtls_tls13_get_extension_name(
MBEDTLS_TLS_EXT_SUPPORTED_GROUPS ) ) );

View File

@ -103,11 +103,12 @@
#define MBEDTLS_SSL_EXT_SIG_ALG_CERT ( 1 << 20 )
#define MBEDTLS_SSL_EXT_KEY_SHARE ( 1 << 21 )
/* For request messages, we should just ignore unrecognized extension when
* parsing messages. For response messages, we should not ignore unrecognized
* extension when parsing messages. Request messages include ClientHello,
* Certificate and NewSessionTicket. Response messages include ServerHello,
* EncryptExtensions, Certificate and HelloRetryRequest.
/* In messages containing extension requests, we should ignore unrecognized
* extensions. In messages containing extension responses, unrecognized
* extensions should result in handshake abortion. Messages containing
* extension requests include ClientHello, CertificateRequest and
* NewSessionTicket. Messages containing extension responses include
* ServerHello, HelloRetryRequest, EncryptedExtensions and Certificate.
*
* RFC 8446 section 4.1.3
*
@ -1932,13 +1933,14 @@ static inline int mbedtls_ssl_tls13_some_psk_enabled( mbedtls_ssl_context *ssl )
uint32_t mbedtls_tls13_get_extension_mask( unsigned int extension_type );
MBEDTLS_CHECK_RETURN_CRITICAL
int mbedtls_tls13_check_received_extensions( mbedtls_ssl_context *ssl,
int hs_msg_type,
uint32_t extension_type,
uint32_t allowed_mask );
int mbedtls_ssl_tls13_check_received_extension(
mbedtls_ssl_context *ssl,
int hs_msg_type,
unsigned int received_extension_type,
uint32_t hs_msg_allowed_extensions_mask );
static inline void mbedtls_tls13_set_sent_ext_mask( mbedtls_ssl_context *ssl,
uint16_t extension_type )
static inline void mbedtls_ssl_tls13_set_hs_sent_ext_mask(
mbedtls_ssl_context *ssl, unsigned int extension_type )
{
ssl->handshake->sent_extensions |=
mbedtls_tls13_get_extension_mask( extension_type );

View File

@ -8713,8 +8713,7 @@ int mbedtls_ssl_write_sig_alg_ext( mbedtls_ssl_context *ssl, unsigned char *buf,
*out_len = p - buf;
#if defined(MBEDTLS_SSL_PROTO_TLS1_3)
mbedtls_tls13_set_sent_ext_mask( ssl,
MBEDTLS_TLS_EXT_SIG_ALG );
mbedtls_ssl_tls13_set_hs_sent_ext_mask( ssl, MBEDTLS_TLS_EXT_SIG_ALG );
MBEDTLS_SSL_DEBUG_MSG(
4, ( "sent %s extension",
mbedtls_tls13_get_extension_name(

View File

@ -89,8 +89,8 @@ static int ssl_tls13_write_supported_versions_ext( mbedtls_ssl_context *ssl,
}
*out_len = 5 + versions_len;
mbedtls_tls13_set_sent_ext_mask( ssl,
MBEDTLS_TLS_EXT_SUPPORTED_VERSIONS );
mbedtls_ssl_tls13_set_hs_sent_ext_mask(
ssl, MBEDTLS_TLS_EXT_SUPPORTED_VERSIONS );
MBEDTLS_SSL_DEBUG_MSG(
4, ( "sent %s extension",
mbedtls_tls13_get_extension_name(
@ -365,8 +365,7 @@ static int ssl_tls13_write_key_share_ext( mbedtls_ssl_context *ssl,
MBEDTLS_SSL_DEBUG_BUF( 3, "client hello, key_share extension", buf, *out_len );
mbedtls_tls13_set_sent_ext_mask( ssl,
MBEDTLS_TLS_EXT_KEY_SHARE );
mbedtls_ssl_tls13_set_hs_sent_ext_mask( ssl, MBEDTLS_TLS_EXT_KEY_SHARE );
MBEDTLS_SSL_DEBUG_MSG(
4, ( "sent %s extension",
@ -612,8 +611,7 @@ static int ssl_tls13_write_cookie_ext( mbedtls_ssl_context *ssl,
*out_len = handshake->hrr_cookie_len + 6;
mbedtls_tls13_set_sent_ext_mask( ssl,
MBEDTLS_TLS_EXT_COOKIE );
mbedtls_ssl_tls13_set_hs_sent_ext_mask( ssl, MBEDTLS_TLS_EXT_COOKIE );
MBEDTLS_SSL_DEBUG_MSG(
4, ( "sent %s extension",
mbedtls_tls13_get_extension_name(
@ -688,8 +686,8 @@ static int ssl_tls13_write_psk_key_exchange_modes_ext( mbedtls_ssl_context *ssl,
*out_len = p - buf;
mbedtls_tls13_set_sent_ext_mask( ssl,
MBEDTLS_TLS_EXT_PSK_KEY_EXCHANGE_MODES );
mbedtls_ssl_tls13_set_hs_sent_ext_mask(
ssl, MBEDTLS_TLS_EXT_PSK_KEY_EXCHANGE_MODES );
MBEDTLS_SSL_DEBUG_MSG(
4, ( "sent %s extension",
mbedtls_tls13_get_extension_name(
@ -1059,8 +1057,8 @@ int mbedtls_ssl_tls13_write_binders_of_pre_shared_key_ext(
MBEDTLS_SSL_DEBUG_BUF( 3, "pre_shared_key binders", buf, p - buf );
mbedtls_tls13_set_sent_ext_mask( ssl,
MBEDTLS_TLS_EXT_PRE_SHARED_KEY );
mbedtls_ssl_tls13_set_hs_sent_ext_mask(
ssl, MBEDTLS_TLS_EXT_PRE_SHARED_KEY );
MBEDTLS_SSL_DEBUG_MSG(
4, ( "sent %s extension",
mbedtls_tls13_get_extension_name(
@ -1668,7 +1666,7 @@ static int ssl_tls13_parse_server_hello( mbedtls_ssl_context *ssl,
MBEDTLS_SSL_DEBUG_BUF( 3, "server hello extensions", p, extensions_len );
ssl->handshake->received_extensions = MBEDTLS_SSL_EXT_NONE;
handshake->received_extensions = MBEDTLS_SSL_EXT_NONE;
allowed_extensions_mask = is_hrr ?
MBEDTLS_SSL_TLS1_3_ALLOWED_EXTS_OF_HRR :
MBEDTLS_SSL_TLS1_3_ALLOWED_EXTS_OF_SH;
@ -1687,7 +1685,7 @@ static int ssl_tls13_parse_server_hello( mbedtls_ssl_context *ssl,
MBEDTLS_SSL_CHK_BUF_READ_PTR( p, extensions_end, extension_data_len );
extension_data_end = p + extension_data_len;
ret = mbedtls_tls13_check_received_extensions(
ret = mbedtls_ssl_tls13_check_received_extension(
ssl,
is_hrr ?
-MBEDTLS_SSL_HS_SERVER_HELLO : MBEDTLS_SSL_HS_SERVER_HELLO,
@ -1766,7 +1764,7 @@ static int ssl_tls13_parse_server_hello( mbedtls_ssl_context *ssl,
MBEDTLS_SSL_TLS1_3_PRINT_EXTS(
3, is_hrr ? -MBEDTLS_SSL_HS_SERVER_HELLO : MBEDTLS_SSL_HS_SERVER_HELLO,
ssl->handshake->received_extensions );
handshake->received_extensions );
cleanup:
@ -1999,6 +1997,7 @@ static int ssl_tls13_parse_encrypted_extensions( mbedtls_ssl_context *ssl,
size_t extensions_len;
const unsigned char *p = buf;
const unsigned char *extensions_end;
mbedtls_ssl_handshake_params *handshake = ssl->handshake;
MBEDTLS_SSL_CHK_BUF_READ_PTR( p, end, 2 );
extensions_len = MBEDTLS_GET_UINT16_BE( p, 0 );
@ -2008,7 +2007,7 @@ static int ssl_tls13_parse_encrypted_extensions( mbedtls_ssl_context *ssl,
MBEDTLS_SSL_CHK_BUF_READ_PTR( p, end, extensions_len );
extensions_end = p + extensions_len;
ssl->handshake->received_extensions = MBEDTLS_SSL_EXT_NONE;
handshake->received_extensions = MBEDTLS_SSL_EXT_NONE;
while( p < extensions_end )
{
@ -2028,7 +2027,7 @@ static int ssl_tls13_parse_encrypted_extensions( mbedtls_ssl_context *ssl,
MBEDTLS_SSL_CHK_BUF_READ_PTR( p, extensions_end, extension_data_len );
ret = mbedtls_tls13_check_received_extensions(
ret = mbedtls_ssl_tls13_check_received_extension(
ssl, MBEDTLS_SSL_HS_ENCRYPTED_EXTENSIONS, extension_type,
MBEDTLS_SSL_TLS1_3_ALLOWED_EXTS_OF_EE );
if( ret != 0 )
@ -2036,16 +2035,6 @@ static int ssl_tls13_parse_encrypted_extensions( mbedtls_ssl_context *ssl,
switch( extension_type )
{
case MBEDTLS_TLS_EXT_SERVERNAME:
MBEDTLS_SSL_DEBUG_MSG( 3, ( "found server_name extension" ) );
/* The server_name extension should be an empty extension */
break;
case MBEDTLS_TLS_EXT_SUPPORTED_GROUPS:
MBEDTLS_SSL_DEBUG_MSG( 3, ( "found extensions supported groups" ) );
break;
#if defined(MBEDTLS_SSL_ALPN)
case MBEDTLS_TLS_EXT_ALPN:
MBEDTLS_SSL_DEBUG_MSG( 3, ( "found alpn extension" ) );
@ -2069,7 +2058,7 @@ static int ssl_tls13_parse_encrypted_extensions( mbedtls_ssl_context *ssl,
}
MBEDTLS_SSL_TLS1_3_PRINT_EXTS( 3, MBEDTLS_SSL_HS_ENCRYPTED_EXTENSIONS,
ssl->handshake->received_extensions );
handshake->received_extensions );
/* Check that we consumed all the message. */
if( p != end )
@ -2176,6 +2165,7 @@ static int ssl_tls13_parse_certificate_request( mbedtls_ssl_context *ssl,
size_t certificate_request_context_len = 0;
size_t extensions_len = 0;
const unsigned char *extensions_end;
mbedtls_ssl_handshake_params *handshake = ssl->handshake;
/* ...
* opaque certificate_request_context<0..2^8-1>
@ -2191,7 +2181,6 @@ static int ssl_tls13_parse_certificate_request( mbedtls_ssl_context *ssl,
MBEDTLS_SSL_DEBUG_BUF( 3, "Certificate Request Context",
p, certificate_request_context_len );
mbedtls_ssl_handshake_params *handshake = ssl->handshake;
handshake->certificate_request_context =
mbedtls_calloc( 1, certificate_request_context_len );
if( handshake->certificate_request_context == NULL )
@ -2215,7 +2204,7 @@ static int ssl_tls13_parse_certificate_request( mbedtls_ssl_context *ssl,
MBEDTLS_SSL_CHK_BUF_READ_PTR( p, end, extensions_len );
extensions_end = p + extensions_len;
ssl->handshake->received_extensions = MBEDTLS_SSL_EXT_NONE;
handshake->received_extensions = MBEDTLS_SSL_EXT_NONE;
while( p < extensions_end )
{
@ -2229,7 +2218,7 @@ static int ssl_tls13_parse_certificate_request( mbedtls_ssl_context *ssl,
MBEDTLS_SSL_CHK_BUF_READ_PTR( p, extensions_end, extension_data_len );
ret = mbedtls_tls13_check_received_extensions(
ret = mbedtls_ssl_tls13_check_received_extension(
ssl, MBEDTLS_SSL_HS_CERTIFICATE_REQUEST, extension_type,
MBEDTLS_SSL_TLS1_3_ALLOWED_EXTS_OF_CR );
if( ret != 0 )
@ -2260,7 +2249,7 @@ static int ssl_tls13_parse_certificate_request( mbedtls_ssl_context *ssl,
MBEDTLS_SSL_TLS1_3_PRINT_EXTS( 3,
MBEDTLS_SSL_HS_CERTIFICATE_REQUEST,
ssl->handshake->received_extensions );
handshake->received_extensions );
/* Check that we consumed all the message. */
if( p != end )
@ -2274,7 +2263,7 @@ static int ssl_tls13_parse_certificate_request( mbedtls_ssl_context *ssl,
*
* The "signature_algorithms" extension MUST be specified
*/
if( ( ssl->handshake->received_extensions & MBEDTLS_SSL_EXT_SIG_ALG ) == 0 )
if( ( handshake->received_extensions & MBEDTLS_SSL_EXT_SIG_ALG ) == 0 )
{
MBEDTLS_SSL_DEBUG_MSG( 3,
( "no signature algorithms extension found" ) );
@ -2514,10 +2503,11 @@ static int ssl_tls13_parse_new_session_ticket_exts( mbedtls_ssl_context *ssl,
const unsigned char *buf,
const unsigned char *end )
{
mbedtls_ssl_handshake_params *handshake = ssl->handshake;
const unsigned char *p = buf;
ssl->handshake->received_extensions = MBEDTLS_SSL_EXT_NONE;
handshake->received_extensions = MBEDTLS_SSL_EXT_NONE;
while( p < end )
{
@ -2532,7 +2522,7 @@ static int ssl_tls13_parse_new_session_ticket_exts( mbedtls_ssl_context *ssl,
MBEDTLS_SSL_CHK_BUF_READ_PTR( p, end, extension_data_len );
ret = mbedtls_tls13_check_received_extensions(
ret = mbedtls_ssl_tls13_check_received_extension(
ssl, MBEDTLS_SSL_HS_CLIENT_HELLO, extension_type,
MBEDTLS_SSL_TLS1_3_ALLOWED_EXTS_OF_CH );
if( ret != 0 )
@ -2556,7 +2546,7 @@ static int ssl_tls13_parse_new_session_ticket_exts( mbedtls_ssl_context *ssl,
}
MBEDTLS_SSL_TLS1_3_PRINT_EXTS(
3, MBEDTLS_SSL_HS_NEW_SESSION_TICKET, ssl->handshake->received_extensions );
3, MBEDTLS_SSL_HS_NEW_SESSION_TICKET, handshake->received_extensions );
return( 0 );
}

View File

@ -398,6 +398,7 @@ int mbedtls_ssl_tls13_parse_certificate( mbedtls_ssl_context *ssl,
size_t certificate_list_len = 0;
const unsigned char *p = buf;
const unsigned char *certificate_list_end;
mbedtls_ssl_handshake_params *handshake = ssl->handshake;
MBEDTLS_SSL_CHK_BUF_READ_PTR( p, end, 4 );
certificate_request_context_len = p[0];
@ -507,7 +508,7 @@ int mbedtls_ssl_tls13_parse_certificate( mbedtls_ssl_context *ssl,
MBEDTLS_SSL_CHK_BUF_READ_PTR( p, certificate_list_end, extensions_len );
extensions_end = p + extensions_len;
ssl->handshake->received_extensions = MBEDTLS_SSL_EXT_NONE;
handshake->received_extensions = MBEDTLS_SSL_EXT_NONE;
while( p < extensions_end )
{
@ -527,9 +528,9 @@ int mbedtls_ssl_tls13_parse_certificate( mbedtls_ssl_context *ssl,
MBEDTLS_SSL_CHK_BUF_READ_PTR( p, extensions_end, extension_data_len );
ret = mbedtls_tls13_check_received_extensions(
ssl, MBEDTLS_SSL_HS_CERTIFICATE, extension_type,
MBEDTLS_SSL_TLS1_3_ALLOWED_EXTS_OF_CT );
ret = mbedtls_ssl_tls13_check_received_extension(
ssl, MBEDTLS_SSL_HS_CERTIFICATE, extension_type,
MBEDTLS_SSL_TLS1_3_ALLOWED_EXTS_OF_CT );
if( ret != 0 )
return( ret );
@ -547,7 +548,7 @@ int mbedtls_ssl_tls13_parse_certificate( mbedtls_ssl_context *ssl,
}
MBEDTLS_SSL_TLS1_3_PRINT_EXTS(
3, MBEDTLS_SSL_HS_CERTIFICATE, ssl->handshake->received_extensions );
3, MBEDTLS_SSL_HS_CERTIFICATE, handshake->received_extensions );
}
exit:
@ -555,7 +556,7 @@ exit:
if( p != end )
{
MBEDTLS_SSL_DEBUG_MSG( 1, ( "bad Certificate message" ) );
MBEDTLS_SSL_PEND_FATAL_ALERT( MBEDTLS_SSL_ALERT_MSG_DECODE_ERROR, \
MBEDTLS_SSL_PEND_FATAL_ALERT( MBEDTLS_SSL_ALERT_MSG_DECODE_ERROR,
MBEDTLS_ERR_SSL_DECODE_ERROR );
return( MBEDTLS_ERR_SSL_DECODE_ERROR );
}
@ -1759,43 +1760,46 @@ void mbedtls_ssl_tls13_print_extensions( const mbedtls_ssl_context *ssl,
*
*/
int mbedtls_tls13_check_received_extensions( mbedtls_ssl_context *ssl,
int hs_msg_type,
uint32_t extension_type,
uint32_t allowed_mask )
int mbedtls_ssl_tls13_check_received_extension(
mbedtls_ssl_context *ssl,
int hs_msg_type,
unsigned int received_extension_type,
uint32_t hs_msg_allowed_extensions_mask )
{
uint32_t extension_mask;
#if defined(MBEDTLS_DEBUG_C)
const char *hs_msg_name = ssl_tls13_get_hs_msg_name( hs_msg_type );
#endif
extension_mask = mbedtls_tls13_get_extension_mask( extension_type );
uint32_t extension_mask = mbedtls_tls13_get_extension_mask( received_extension_type );
MBEDTLS_SSL_DEBUG_MSG( 3,
( "%s : received %s(%x) extension",
hs_msg_name,
mbedtls_tls13_get_extension_name( extension_type ),
(unsigned int)extension_type ) );
mbedtls_tls13_get_extension_name( received_extension_type ),
(unsigned int)received_extension_type ) );
if( ( extension_mask & allowed_mask ) == 0 )
if( ( extension_mask & hs_msg_allowed_extensions_mask ) == 0 )
{
MBEDTLS_SSL_DEBUG_MSG(
3, ( "%s : forbidden extension received.", hs_msg_name ) );
MBEDTLS_SSL_PEND_FATAL_ALERT(
MBEDTLS_SSL_ALERT_MSG_ILLEGAL_PARAMETER,
MBEDTLS_ERR_SSL_HANDSHAKE_FAILURE );
return( MBEDTLS_ERR_SSL_HANDSHAKE_FAILURE );
MBEDTLS_ERR_SSL_ILLEGAL_PARAMETER );
return( MBEDTLS_ERR_SSL_ILLEGAL_PARAMETER );
}
ssl->handshake->received_extensions |= extension_mask;
/*
* If it is a message containing extension responses, check that we
* previously sent the extension.
*/
switch( hs_msg_type )
{
case MBEDTLS_SSL_HS_SERVER_HELLO:
case -MBEDTLS_SSL_HS_SERVER_HELLO: // HRR does not have IANA value.
case MBEDTLS_SSL_HS_ENCRYPTED_EXTENSIONS:
case MBEDTLS_SSL_HS_CERTIFICATE:
if( ( ~ssl->handshake->sent_extensions & extension_mask ) == 0 )
/* Check if the received extension is sent by peer message.*/
if( ( ssl->handshake->sent_extensions & extension_mask ) != 0 )
return( 0 );
break;
default:
@ -1803,11 +1807,11 @@ int mbedtls_tls13_check_received_extensions( mbedtls_ssl_context *ssl,
}
MBEDTLS_SSL_DEBUG_MSG(
3, ( "%s : forbidden extension received.", hs_msg_name ) );
3, ( "%s : unexpected extension received.", hs_msg_name ) );
MBEDTLS_SSL_PEND_FATAL_ALERT(
MBEDTLS_SSL_ALERT_MSG_UNSUPPORTED_EXT,
MBEDTLS_ERR_SSL_HANDSHAKE_FAILURE );
return( MBEDTLS_ERR_SSL_HANDSHAKE_FAILURE );
MBEDTLS_ERR_SSL_UNSUPPORTED_EXTENSION );
return( MBEDTLS_ERR_SSL_UNSUPPORTED_EXTENSION );
}
#endif /* MBEDTLS_SSL_TLS_C && MBEDTLS_SSL_PROTO_TLS1_3 */

View File

@ -1239,6 +1239,7 @@ static int ssl_tls13_parse_client_hello( mbedtls_ssl_context *ssl,
const unsigned char *cipher_suites_end;
size_t extensions_len;
const unsigned char *extensions_end;
mbedtls_ssl_handshake_params *handshake = ssl->handshake;
int hrr_required = 0;
#if defined(MBEDTLS_SSL_TLS1_3_KEY_EXCHANGE_MODE_SOME_PSK_ENABLED)
@ -1304,7 +1305,7 @@ static int ssl_tls13_parse_client_hello( mbedtls_ssl_context *ssl,
MBEDTLS_SSL_DEBUG_BUF( 3, "client hello, random bytes",
p, MBEDTLS_CLIENT_HELLO_RANDOM_LEN );
memcpy( &ssl->handshake->randbytes[0], p, MBEDTLS_CLIENT_HELLO_RANDOM_LEN );
memcpy( &handshake->randbytes[0], p, MBEDTLS_CLIENT_HELLO_RANDOM_LEN );
p += MBEDTLS_CLIENT_HELLO_RANDOM_LEN;
/* ...
@ -1374,13 +1375,13 @@ static int ssl_tls13_parse_client_hello( mbedtls_ssl_context *ssl,
continue;
ssl->session_negotiate->ciphersuite = cipher_suite;
ssl->handshake->ciphersuite_info = ciphersuite_info;
handshake->ciphersuite_info = ciphersuite_info;
MBEDTLS_SSL_DEBUG_MSG( 2, ( "selected ciphersuite: %04x - %s",
cipher_suite,
ciphersuite_info->name ) );
}
if( ssl->handshake->ciphersuite_info == NULL )
if( handshake->ciphersuite_info == NULL )
{
MBEDTLS_SSL_PEND_FATAL_ALERT( MBEDTLS_SSL_ALERT_MSG_HANDSHAKE_FAILURE,
MBEDTLS_ERR_SSL_HANDSHAKE_FAILURE );
@ -1416,7 +1417,7 @@ static int ssl_tls13_parse_client_hello( mbedtls_ssl_context *ssl,
MBEDTLS_SSL_DEBUG_BUF( 3, "client hello extensions", p, extensions_len );
ssl->handshake->received_extensions = MBEDTLS_SSL_EXT_NONE;
handshake->received_extensions = MBEDTLS_SSL_EXT_NONE;
while( p < extensions_end )
{
@ -1431,8 +1432,7 @@ static int ssl_tls13_parse_client_hello( mbedtls_ssl_context *ssl,
* Servers MUST check that it is the last extension and otherwise fail
* the handshake with an "illegal_parameter" alert.
*/
if( ssl->handshake->received_extensions &
mbedtls_tls13_get_extension_mask( MBEDTLS_TLS_EXT_PRE_SHARED_KEY ) )
if( handshake->received_extensions & MBEDTLS_SSL_EXT_PRE_SHARED_KEY )
{
MBEDTLS_SSL_DEBUG_MSG(
3, ( "pre_shared_key is not last extension." ) );
@ -1450,7 +1450,7 @@ static int ssl_tls13_parse_client_hello( mbedtls_ssl_context *ssl,
MBEDTLS_SSL_CHK_BUF_READ_PTR( p, extensions_end, extension_data_len );
extension_data_end = p + extension_data_len;
ret = mbedtls_tls13_check_received_extensions(
ret = mbedtls_ssl_tls13_check_received_extension(
ssl, MBEDTLS_SSL_HS_CLIENT_HELLO, extension_type,
MBEDTLS_SSL_TLS1_3_ALLOWED_EXTS_OF_CH );
if( ret != 0 )
@ -1554,13 +1554,13 @@ static int ssl_tls13_parse_client_hello( mbedtls_ssl_context *ssl,
case MBEDTLS_TLS_EXT_PRE_SHARED_KEY:
MBEDTLS_SSL_DEBUG_MSG( 3, ( "found pre_shared_key extension" ) );
if( ( ssl->handshake->received_extensions &
if( ( handshake->received_extensions &
MBEDTLS_SSL_EXT_PSK_KEY_EXCHANGE_MODES ) == 0 )
{
MBEDTLS_SSL_PEND_FATAL_ALERT(
MBEDTLS_SSL_ALERT_MSG_ILLEGAL_PARAMETER,
MBEDTLS_ERR_SSL_HANDSHAKE_FAILURE );
return( MBEDTLS_ERR_SSL_HANDSHAKE_FAILURE );
MBEDTLS_ERR_SSL_ILLEGAL_PARAMETER );
return( MBEDTLS_ERR_SSL_ILLEGAL_PARAMETER );
}
#if defined(MBEDTLS_SSL_TLS1_3_KEY_EXCHANGE_MODE_SOME_PSK_ENABLED)
/* Delay processing of the PSK identity once we have
@ -1614,7 +1614,7 @@ static int ssl_tls13_parse_client_hello( mbedtls_ssl_context *ssl,
}
MBEDTLS_SSL_TLS1_3_PRINT_EXTS(
3, MBEDTLS_SSL_HS_CLIENT_HELLO, ssl->handshake->received_extensions );
3, MBEDTLS_SSL_HS_CLIENT_HELLO, handshake->received_extensions );
mbedtls_ssl_add_hs_hdr_to_checksum( ssl,
MBEDTLS_SSL_HS_CLIENT_HELLO,
@ -1628,10 +1628,9 @@ static int ssl_tls13_parse_client_hello( mbedtls_ssl_context *ssl,
/* If we've settled on a PSK-based exchange, parse PSK identity ext */
if( mbedtls_ssl_tls13_some_psk_enabled( ssl ) &&
mbedtls_ssl_conf_tls13_some_psk_enabled( ssl ) &&
( ssl->handshake->received_extensions &
MBEDTLS_SSL_EXT_PRE_SHARED_KEY ) )
( handshake->received_extensions & MBEDTLS_SSL_EXT_PRE_SHARED_KEY ) )
{
ssl->handshake->update_checksum( ssl, buf,
handshake->update_checksum( ssl, buf,
pre_shared_key_ext - buf );
ret = ssl_tls13_parse_pre_shared_key_ext( ssl,
pre_shared_key_ext,
@ -1640,8 +1639,7 @@ static int ssl_tls13_parse_client_hello( mbedtls_ssl_context *ssl,
cipher_suites_end );
if( ret == MBEDTLS_ERR_SSL_UNKNOWN_IDENTITY )
{
ssl->handshake->received_extensions &=
~MBEDTLS_SSL_EXT_PRE_SHARED_KEY;
handshake->received_extensions &= ~MBEDTLS_SSL_EXT_PRE_SHARED_KEY;
}
else if( ret != 0 )
{
@ -1653,14 +1651,14 @@ static int ssl_tls13_parse_client_hello( mbedtls_ssl_context *ssl,
else
#endif /* MBEDTLS_SSL_TLS1_3_KEY_EXCHANGE_MODE_SOME_PSK_ENABLED */
{
ssl->handshake->update_checksum( ssl, buf, p - buf );
handshake->update_checksum( ssl, buf, p - buf );
}
ret = ssl_tls13_determine_key_exchange_mode( ssl );
if( ret < 0 )
return( ret );
mbedtls_ssl_optimize_checksum( ssl, ssl->handshake->ciphersuite_info );
mbedtls_ssl_optimize_checksum( ssl, handshake->ciphersuite_info );
return( hrr_required ? SSL_CLIENT_HELLO_HRR_REQUIRED : SSL_CLIENT_HELLO_OK );
}