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mirror of https://github.com/Mbed-TLS/mbedtls.git synced 2025-07-30 22:43:08 +03:00

Add mbedtls_ssl_set_hs_authmode

While at it, fix the following:
- on server with RSA_PSK, we don't want to set flags (client auth happens via
  the PSK, no cert is expected).
- use safer tests (eg == OPTIONAL vs != REQUIRED)
This commit is contained in:
Manuel Pégourié-Gonnard
2015-06-19 12:16:31 +02:00
parent a752d8780c
commit cdc26ae099
4 changed files with 62 additions and 13 deletions

View File

@ -3855,6 +3855,7 @@ int mbedtls_ssl_parse_certificate( mbedtls_ssl_context *ssl )
int ret = MBEDTLS_ERR_SSL_FEATURE_UNAVAILABLE;
size_t i, n;
const mbedtls_ssl_ciphersuite_t *ciphersuite_info = ssl->transform_negotiate->ciphersuite_info;
int authmode = ssl->conf->authmode;
MBEDTLS_SSL_DEBUG_MSG( 2, ( "=> parse certificate" ) );
@ -3869,8 +3870,20 @@ int mbedtls_ssl_parse_certificate( mbedtls_ssl_context *ssl )
#if defined(MBEDTLS_SSL_SRV_C)
if( ssl->conf->endpoint == MBEDTLS_SSL_IS_SERVER &&
( ssl->conf->authmode == MBEDTLS_SSL_VERIFY_NONE ||
ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_RSA_PSK ) )
ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_RSA_PSK )
{
MBEDTLS_SSL_DEBUG_MSG( 2, ( "<= skip parse certificate" ) );
ssl->state++;
return( 0 );
}
#if defined(MBEDTLS_SSL_SERVER_NAME_INDICATION)
if( ssl->handshake->sni_authmode != MBEDTLS_SSL_VERIFY_UNSET )
authmode = ssl->handshake->sni_authmode;
#endif
if( ssl->conf->endpoint == MBEDTLS_SSL_IS_SERVER &&
authmode == MBEDTLS_SSL_VERIFY_NONE )
{
ssl->session_negotiate->verify_result = MBEDTLS_X509_BADCERT_SKIP_VERIFY;
MBEDTLS_SSL_DEBUG_MSG( 2, ( "<= skip parse certificate" ) );
@ -3903,7 +3916,7 @@ int mbedtls_ssl_parse_certificate( mbedtls_ssl_context *ssl )
MBEDTLS_SSL_DEBUG_MSG( 1, ( "SSLv3 client has no certificate" ) );
ssl->session_negotiate->verify_result = MBEDTLS_X509_BADCERT_MISSING;
if( ssl->conf->authmode == MBEDTLS_SSL_VERIFY_OPTIONAL )
if( authmode == MBEDTLS_SSL_VERIFY_OPTIONAL )
return( 0 );
else
return( MBEDTLS_ERR_SSL_NO_CLIENT_CERTIFICATE );
@ -3924,10 +3937,10 @@ int mbedtls_ssl_parse_certificate( mbedtls_ssl_context *ssl )
MBEDTLS_SSL_DEBUG_MSG( 1, ( "TLSv1 client has no certificate" ) );
ssl->session_negotiate->verify_result = MBEDTLS_X509_BADCERT_MISSING;
if( ssl->conf->authmode == MBEDTLS_SSL_VERIFY_REQUIRED )
return( MBEDTLS_ERR_SSL_NO_CLIENT_CERTIFICATE );
else
if( authmode == MBEDTLS_SSL_VERIFY_OPTIONAL )
return( 0 );
else
return( MBEDTLS_ERR_SSL_NO_CLIENT_CERTIFICATE );
}
}
#endif /* MBEDTLS_SSL_PROTO_TLS1 || MBEDTLS_SSL_PROTO_TLS1_1 || \
@ -4037,7 +4050,7 @@ int mbedtls_ssl_parse_certificate( mbedtls_ssl_context *ssl )
}
#endif /* MBEDTLS_SSL_RENEGOTIATION && MBEDTLS_SSL_CLI_C */
if( ssl->conf->authmode != MBEDTLS_SSL_VERIFY_NONE )
if( authmode != MBEDTLS_SSL_VERIFY_NONE )
{
mbedtls_x509_crt *ca_chain;
mbedtls_x509_crl *ca_crl;
@ -4106,7 +4119,7 @@ int mbedtls_ssl_parse_certificate( mbedtls_ssl_context *ssl )
ret = MBEDTLS_ERR_SSL_BAD_HS_CERTIFICATE;
}
if( ssl->conf->authmode != MBEDTLS_SSL_VERIFY_REQUIRED )
if( authmode == MBEDTLS_SSL_VERIFY_OPTIONAL )
ret = 0;
}
@ -4860,6 +4873,10 @@ static void ssl_handshake_params_init( mbedtls_ssl_handshake_params *handshake )
#if defined(MBEDTLS_ECDH_C)
mbedtls_ecdh_init( &handshake->ecdh_ctx );
#endif
#if defined(MBEDTLS_SSL_SERVER_NAME_INDICATION)
handshake->sni_authmode = MBEDTLS_SSL_VERIFY_UNSET;
#endif
}
static void ssl_transform_init( mbedtls_ssl_transform *transform )
@ -5364,6 +5381,12 @@ void mbedtls_ssl_set_hs_ca_chain( mbedtls_ssl_context *ssl,
ssl->handshake->sni_ca_chain = ca_chain;
ssl->handshake->sni_ca_crl = ca_crl;
}
void mbedtls_ssl_set_hs_authmode( mbedtls_ssl_context *ssl,
int authmode )
{
ssl->handshake->sni_authmode = authmode;
}
#endif /* MBEDTLS_SSL_SERVER_NAME_INDICATION */
#if defined(MBEDTLS_KEY_EXCHANGE__SOME__PSK_ENABLED)