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fix: make esp_tls_server_session_create async compatible

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thetek42
2024-10-16 17:26:53 +02:00
committed by Aditya Patwardhan
parent 3075efd80c
commit d97e435af9
4 changed files with 115 additions and 21 deletions
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48
components/esp-tls/esp_tls_mbedtls.c
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@@ -923,6 +923,23 @@ 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_init(cfg, sockfd, tls)) != 0) {
return ret;
}
while ((ret = esp_mbedtls_server_session_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_init(esp_tls_cfg_server_t *cfg, int sockfd, esp_tls_t *tls)
{
if (tls == NULL || cfg == NULL) {
return -1;
@@ -941,19 +958,28 @@ 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 Asynchronous 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_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.
*/