2024-10-16 16:21:28 +05:30

77 lines
2.3 KiB
C

/*
* SPDX-FileCopyrightText: 2017-2024 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
#ifndef _ESP_CRT_BUNDLE_H_
#define _ESP_CRT_BUNDLE_H_
#include "esp_err.h"
#include "mbedtls/ssl.h"
#ifdef __cplusplus
extern "C" {
#endif
/**
* @brief Attach and enable use of a bundle for certificate verification
*
* Attach and enable use of a bundle for certificate verification through a verification callback.
* If no specific bundle has been set through esp_crt_bundle_set() it will default to the
* bundle defined in menuconfig and embedded in the binary.
*
* @param[in] conf The config struct for the SSL connection.
*
* @return
* - ESP_OK if adding certificates was successful.
* - Other if an error occurred or an action must be taken by the calling process.
*/
esp_err_t esp_crt_bundle_attach(void *conf);
/**
* @brief Disable and dealloc the certification bundle
*
* Removes the certificate verification callback and deallocates used resources
*
* @param[in] conf The config struct for the SSL connection.
*/
void esp_crt_bundle_detach(mbedtls_ssl_config *conf);
/**
* @brief Set the default certificate bundle used for verification
*
* Overrides the default certificate bundle only in case of successful initialization. In most use cases the bundle should be
* set through menuconfig. The bundle needs to be sorted by subject name since binary search is
* used to find certificates.
*
* @param[in] x509_bundle A pointer to the certificate bundle.
*
* @param[in] bundle_size Size of the certificate bundle in bytes.
*
* @return
* - ESP_OK if adding certificates was successful.
* - Other if an error occurred or an action must be taken by the calling process.
*/
esp_err_t esp_crt_bundle_set(const uint8_t *x509_bundle, size_t bundle_size);
/**
* @brief Check if the given CA certificate chain is the default "dummy"
* certificate chain attached by the esp_crt_bundle
*
* @param ca_chain A pointer to the CA chain.
* @return true if the ca_chain is the dummy CA chain attached by esp_crt_bundle
* @return false otherwise
*/
bool esp_crt_bundle_in_use(const mbedtls_x509_crt* ca_chain);
#ifdef __cplusplus
}
#endif
#endif //_ESP_CRT_BUNDLE_H_