static MbedtlsPkcs11Status_t configureMbedtlsSniAlpn()

in platform/posix/transport/src/mbedtls_pkcs11_posix.c [421:465]
37 lines of code
6 McCabe index (conditional complexity)

static MbedtlsPkcs11Status_t configureMbedtlsSniAlpn( MbedtlsPkcs11Context_t * pMbedtlsPkcs11Context,
                                                      const MbedtlsPkcs11Credentials_t * pMbedtlsPkcs11Credentials,
                                                      const char * pHostName )
{
    MbedtlsPkcs11Status_t returnStatus = MBEDTLS_PKCS11_SUCCESS;
    int32_t mbedtlsError = 0;

    assert( pMbedtlsPkcs11Context != NULL );
    assert( pHostName != NULL );
    assert( pMbedtlsPkcs11Credentials != NULL );
    assert( pMbedtlsPkcs11Credentials->pRootCaPath != NULL );

    if( pMbedtlsPkcs11Credentials->pAlpnProtos != NULL )
    {
        /* Include an application protocol list in the TLS ClientHello message. */
        mbedtlsError = mbedtls_ssl_conf_alpn_protocols( &( pMbedtlsPkcs11Context->config ),
                                                        pMbedtlsPkcs11Credentials->pAlpnProtos );

        if( mbedtlsError != 0 )
        {
            LogError( ( "Failed to configure ALPN protocol in MbedTLS: mbedTLSError= %s : %s.",
                        mbedtlsHighLevelCodeOrDefault( mbedtlsError ),
                        mbedtlsLowLevelCodeOrDefault( mbedtlsError ) ) );
            returnStatus = MBEDTLS_PKCS11_INTERNAL_ERROR;
        }
    }

    /* Enable SNI if requested. */
    if( ( returnStatus == MBEDTLS_PKCS11_SUCCESS ) &&
        ( pMbedtlsPkcs11Credentials->disableSni == false ) )
    {
        mbedtlsError = mbedtls_ssl_set_hostname( &( pMbedtlsPkcs11Context->context ),
                                                 pHostName );

        if( mbedtlsError != 0 )
        {
            LogError( ( "Failed to set server name: mbedTLSError= %s : %s.",
                        mbedtlsHighLevelCodeOrDefault( mbedtlsError ),
                        mbedtlsLowLevelCodeOrDefault( mbedtlsError ) ) );
            returnStatus = MBEDTLS_PKCS11_INTERNAL_ERROR;
        }
    }

    return returnStatus;
}