circuitpython/shared-bindings/ssl/SSLContext.c

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/*
* This file is part of the MicroPython project, http://micropython.org/
*
* The MIT License (MIT)
*
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* SPDX-FileCopyrightText: Copyright (c) 2020 Scott Shawcroft for Adafruit Industries
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*
* 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 <stdio.h>
#include <string.h>
#include "py/objtuple.h"
#include "py/objlist.h"
#include "py/runtime.h"
#include "py/mperrno.h"
#include "shared-bindings/ssl/SSLContext.h"
//| class SSLContext:
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//| """Settings related to SSL that can be applied to a socket by wrapping it.
//| This is useful to provide SSL certificates to specific connections
//| rather than all of them."""
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//|
STATIC mp_obj_t ssl_sslcontext_make_new(const mp_obj_type_t *type, size_t n_args, const mp_obj_t *args, mp_map_t *kw_args) {
mp_arg_check_num(n_args, kw_args, 0, 1, false);
ssl_sslcontext_obj_t *s = m_new_obj(ssl_sslcontext_obj_t);
s->base.type = &ssl_sslcontext_type;
common_hal_ssl_sslcontext_construct(s);
return MP_OBJ_FROM_PTR(s);
}
//| def wrap_socket(sock: socketpool.Socket, *, server_side: bool = False, server_hostname: Optional[str] = None) -> ssl.SSLSocket:
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//| """Wraps the socket into a socket-compatible class that handles SSL negotiation.
//| The socket must be of type SOCK_STREAM."""
//| ...
//|
STATIC mp_obj_t ssl_sslcontext_wrap_socket(size_t n_args, const mp_obj_t *pos_args, mp_map_t *kw_args) {
enum { ARG_sock, ARG_server_side, ARG_server_hostname };
static const mp_arg_t allowed_args[] = {
{ MP_QSTR_sock, MP_ARG_OBJ | MP_ARG_REQUIRED },
{ MP_QSTR_server_side, MP_ARG_KW_ONLY | MP_ARG_BOOL, {.u_bool = false} },
{ MP_QSTR_server_hostname, MP_ARG_KW_ONLY | MP_ARG_OBJ, {.u_obj = mp_const_none} },
};
ssl_sslcontext_obj_t *self = MP_OBJ_TO_PTR(pos_args[0]);
mp_arg_val_t args[MP_ARRAY_SIZE(allowed_args)];
mp_arg_parse_all(n_args - 1, pos_args + 1, kw_args, MP_ARRAY_SIZE(allowed_args), allowed_args, args);
const char *server_hostname = mp_obj_str_get_str(args[ARG_server_hostname].u_obj);
bool server_side = args[ARG_server_side].u_bool;
if (server_side && server_hostname != NULL) {
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mp_raise_ValueError(translate("Server side context cannot have hostname"));
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}
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socketpool_socket_obj_t *sock = args[ARG_sock].u_obj;
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return common_hal_ssl_sslcontext_wrap_socket(self, sock, server_side, server_hostname);
}
STATIC MP_DEFINE_CONST_FUN_OBJ_KW(ssl_sslcontext_wrap_socket_obj, 2, ssl_sslcontext_wrap_socket);
STATIC const mp_rom_map_elem_t ssl_sslcontext_locals_dict_table[] = {
{ MP_ROM_QSTR(MP_QSTR_wrap_socket), MP_ROM_PTR(&ssl_sslcontext_wrap_socket_obj) },
};
STATIC MP_DEFINE_CONST_DICT(ssl_sslcontext_locals_dict, ssl_sslcontext_locals_dict_table);
const mp_obj_type_t ssl_sslcontext_type = {
{ &mp_type_type },
.name = MP_QSTR_SSLContext,
.make_new = ssl_sslcontext_make_new,
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.locals_dict = (mp_obj_dict_t *)&ssl_sslcontext_locals_dict,
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};