131 lines
4.2 KiB
C
131 lines
4.2 KiB
C
// Copyright 2018 Espressif Systems (Shanghai) PTE LTD
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#ifndef _ESP_HTTPS_SERVER_H_
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#define _ESP_HTTPS_SERVER_H_
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#include <stdbool.h>
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#include "esp_err.h"
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#include "esp_http_server.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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typedef enum {
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HTTPD_SSL_TRANSPORT_SECURE, // SSL Enabled
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HTTPD_SSL_TRANSPORT_INSECURE // SSL disabled
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} httpd_ssl_transport_mode_t;
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/**
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* HTTPS server config struct
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*
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* Please use HTTPD_SSL_CONFIG_DEFAULT() to initialize it.
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*/
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struct httpd_ssl_config {
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/**
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* Underlying HTTPD server config
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*
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* Parameters like task stack size and priority can be adjusted here.
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*/
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httpd_config_t httpd;
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/** CA certificate */
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const uint8_t *cacert_pem;
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/** CA certificate byte length */
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size_t cacert_len;
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/** Private key */
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const uint8_t *prvtkey_pem;
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/** Private key byte length */
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size_t prvtkey_len;
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/** Transport Mode (default secure) */
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httpd_ssl_transport_mode_t transport_mode;
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/** Port used when transport mode is secure (default 443) */
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uint16_t port_secure;
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/** Port used when transport mode is insecure (default 80) */
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uint16_t port_insecure;
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};
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typedef struct httpd_ssl_config httpd_ssl_config_t;
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/**
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* Default config struct init
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*
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* (http_server default config had to be copied for customization)
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*
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* Notes:
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* - port is set when starting the server, according to 'transport_mode'
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* - one socket uses ~ 40kB RAM with SSL, we reduce the default socket count to 4
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* - SSL sockets are usually long-lived, closing LRU prevents pool exhaustion DOS
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* - Stack size may need adjustments depending on the user application
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*/
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#define HTTPD_SSL_CONFIG_DEFAULT() { \
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.httpd = { \
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.task_priority = tskIDLE_PRIORITY+5, \
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.stack_size = 10240, \
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.server_port = 0, \
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.ctrl_port = 32768, \
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.max_open_sockets = 4, \
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.max_uri_handlers = 8, \
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.max_resp_headers = 8, \
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.backlog_conn = 5, \
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.lru_purge_enable = true, \
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.recv_wait_timeout = 5, \
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.send_wait_timeout = 5, \
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.global_user_ctx = NULL, \
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.global_user_ctx_free_fn = NULL, \
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.global_transport_ctx = NULL, \
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.global_transport_ctx_free_fn = NULL, \
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.open_fn = NULL, \
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.close_fn = NULL, \
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.uri_match_fn = NULL \
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}, \
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.cacert_pem = NULL, \
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.cacert_len = 0, \
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.prvtkey_pem = NULL, \
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.prvtkey_len = 0, \
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.transport_mode = HTTPD_SSL_TRANSPORT_SECURE, \
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.port_secure = 443, \
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.port_insecure = 80, \
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}
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/**
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* Create a SSL capable HTTP server (secure mode may be disabled in config)
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*
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* @param[in,out] config - server config, must not be const. Does not have to stay valid after
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* calling this function.
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* @param[out] handle - storage for the server handle, must be a valid pointer
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* @return success
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*/
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esp_err_t httpd_ssl_start(httpd_handle_t *handle, httpd_ssl_config_t *config);
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/**
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* Stop the server. Blocks until the server is shut down.
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*
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* @param[in] handle
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*/
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void httpd_ssl_stop(httpd_handle_t handle);
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#ifdef __cplusplus
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}
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#endif
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#endif // _ESP_HTTPS_SERVER_H_
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