circuitpython/ports/espressif/common-hal/ssl/SSLContext.c

99 lines
3.8 KiB
C

/*
* This file is part of the MicroPython project, http://micropython.org/
*
* The MIT License (MIT)
*
* Copyright (c) 2020 Scott Shawcroft for Adafruit Industries
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#include "shared-bindings/ssl/SSLContext.h"
#include "shared-bindings/ssl/SSLSocket.h"
#include "bindings/espidf/__init__.h"
#include "components/mbedtls/esp_crt_bundle/include/esp_crt_bundle.h"
#include "py/runtime.h"
#include "lwip/sockets.h"
void common_hal_ssl_sslcontext_construct(ssl_sslcontext_obj_t *self) {
}
ssl_sslsocket_obj_t *common_hal_ssl_sslcontext_wrap_socket(ssl_sslcontext_obj_t *self,
socketpool_socket_obj_t *socket, bool server_side, const char *server_hostname) {
if (socket->type != SOCK_STREAM) {
mp_raise_RuntimeError(MP_ERROR_TEXT("Invalid socket for TLS"));
}
ssl_sslsocket_obj_t *sock = m_new_obj_with_finaliser(ssl_sslsocket_obj_t);
sock->base.type = &ssl_sslsocket_type;
sock->ssl_context = self;
sock->sock = socket;
socket->ssl_socket = sock;
// Create a copy of the ESP-TLS config object and store the server hostname
// Note that ESP-TLS will use common_name for both SNI and verification
memcpy(&sock->ssl_config, &self->ssl_config, sizeof(self->ssl_config));
sock->ssl_config.common_name = server_hostname;
esp_tls_t *tls_handle = esp_tls_init();
if (tls_handle == NULL) {
mp_raise_espidf_MemoryError();
}
sock->tls = tls_handle;
// TODO: do something with the original socket? Don't call a close on the internal LWIP.
return sock;
}
void common_hal_ssl_sslcontext_load_verify_locations(ssl_sslcontext_obj_t *self,
const char *cadata) {
self->ssl_config.crt_bundle_attach = NULL;
self->ssl_config.use_global_ca_store = false;
self->ssl_config.cacert_buf = (const unsigned char *)cadata;
self->ssl_config.cacert_bytes = strlen(cadata) + 1;
}
void common_hal_ssl_sslcontext_set_default_verify_paths(ssl_sslcontext_obj_t *self) {
self->ssl_config.crt_bundle_attach = esp_crt_bundle_attach;
self->ssl_config.use_global_ca_store = true;
self->ssl_config.cacert_buf = NULL;
self->ssl_config.cacert_bytes = 0;
}
bool common_hal_ssl_sslcontext_get_check_hostname(ssl_sslcontext_obj_t *self) {
return !self->ssl_config.skip_common_name;
}
void common_hal_ssl_sslcontext_set_check_hostname(ssl_sslcontext_obj_t *self, bool value) {
self->ssl_config.skip_common_name = !value;
}
void common_hal_ssl_sslcontext_load_cert_chain(ssl_sslcontext_obj_t *self, mp_buffer_info_t *cert_buf, mp_buffer_info_t *key_buf) {
self->ssl_config.clientcert_buf = cert_buf->buf;
self->ssl_config.clientcert_bytes = cert_buf->len + 1;
self->ssl_config.clientkey_buf = key_buf->buf;
self->ssl_config.clientkey_bytes = key_buf->len + 1;
}