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fix: make esp_mbedtls_server_session_create async compatible

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This commit is contained in:
thetek42 2024-09-03 13:47:01 +02:00
parent 6673376297
commit 07ff5af5dc
2 changed files with 51 additions and 11 deletions
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46
components/esp-tls/esp_tls_mbedtls.c
View File

@ -914,6 +914,21 @@ esp_err_t set_client_config(const char *hostname, size_t hostlen, esp_tls_cfg_t
* @brief Create TLS/SSL server session
*/
int esp_mbedtls_server_session_create(esp_tls_cfg_server_t *cfg, int sockfd, esp_tls_t *tls)
{
int ret = 0;
if ((ret = esp_mbedtls_server_session_create_start(cfg, sockfd, tls)) != 0) return ret;
while ((ret = esp_mbedtls_server_session_create_continue_async(tls)) != 0) {
if (ret != ESP_TLS_ERR_SSL_WANT_READ && ret != ESP_TLS_ERR_SSL_WANT_WRITE) {
return ret;
}
}
return ret;
}
/**
* @brief Initialization part of esp_mbedtls_server_session_create
*/
int esp_mbedtls_server_session_create_start(esp_tls_cfg_server_t *cfg, int sockfd, esp_tls_t *tls)
{
if (tls == NULL || cfg == NULL) {
return -1;
@ -932,19 +947,28 @@ int esp_mbedtls_server_session_create(esp_tls_cfg_server_t *cfg, int sockfd, esp
tls->read = esp_mbedtls_read;
tls->write = esp_mbedtls_write;
int ret;
while ((ret = mbedtls_ssl_handshake(&tls->ssl)) != 0) {
if (ret != ESP_TLS_ERR_SSL_WANT_READ && ret != ESP_TLS_ERR_SSL_WANT_WRITE) {
ESP_LOGE(TAG, "mbedtls_ssl_handshake returned -0x%04X", -ret);
mbedtls_print_error_msg(ret);
ESP_INT_EVENT_TRACKER_CAPTURE(tls->error_handle, ESP_TLS_ERR_TYPE_MBEDTLS, -ret);
ESP_INT_EVENT_TRACKER_CAPTURE(tls->error_handle, ESP_TLS_ERR_TYPE_ESP, ESP_ERR_MBEDTLS_SSL_HANDSHAKE_FAILED);
tls->conn_state = ESP_TLS_FAIL;
return ret;
}
}
return 0;
}
/**
* @brief Asyncronous continue of esp_mbedtls_server_session_create, to be
* called in a loop by the user until it returns 0, ESP_TLS_ERR_SSL_WANT_READ
* or ESP_TLS_ERR_SSL_WANT_WRITE
*/
int esp_mbedtls_server_session_create_continue_async(esp_tls_t *tls)
{
int ret = mbedtls_ssl_handshake(&tls->ssl);
if (ret != 0 && ret != ESP_TLS_ERR_SSL_WANT_READ && ret != ESP_TLS_ERR_SSL_WANT_WRITE) {
ESP_LOGE(TAG, "mbedtls_ssl_handshake returned -0x%04X", -ret);
mbedtls_print_error_msg(ret);
ESP_INT_EVENT_TRACKER_CAPTURE(tls->error_handle, ESP_TLS_ERR_TYPE_MBEDTLS, -ret);
ESP_INT_EVENT_TRACKER_CAPTURE(tls->error_handle, ESP_TLS_ERR_TYPE_ESP, ESP_ERR_MBEDTLS_SSL_HANDSHAKE_FAILED);
tls->conn_state = ESP_TLS_FAIL;
return ret;
}
return ret;
}
/**
* @brief Close the server side TLS/SSL connection and free any allocated resources.
*/

16
components/esp-tls/private_include/esp_tls_mbedtls.h
View File

@ -69,6 +69,22 @@ void *esp_mbedtls_get_ssl_context(esp_tls_t *tls);
*/
int esp_mbedtls_server_session_create(esp_tls_cfg_server_t *cfg, int sockfd, esp_tls_t *tls);
/**
* Initialization part of internal callback for mbedtls_server_session_create
*
* /note :- The function can only be used with mbedtls ssl library
*/
int esp_mbedtls_server_session_create_start(esp_tls_cfg_server_t *cfg, int sockfd, esp_tls_t *tls);
/**
* Asynchronous continue of internal callback for mbedtls_server_session_create,
* to be called in a loop by the user until it returns 0,
* ESP_TLS_ERR_SSL_WANT_READ or ESP_TLS_ERR_SSL_WANT_WRITE
*
* /note :- The function can only be used with mbedtls ssl library
*/
int esp_mbedtls_server_session_create_continue_async(esp_tls_t *tls);
/**
* Internal Callback for mbedtls_server_session_delete
*