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esp_tls: Added getter function for esp_tls ssl ctx.

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This commit is contained in:
Aditya Patwardhan
2022-04-20 11:30:56 +05:30
committed by BOT
parent 434e74ff73
commit 788c9ddf8d
7 changed files with 79 additions and 10 deletions
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38
examples/protocols/https_server/simple/main/main.c
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@@ -36,7 +36,7 @@ static esp_err_t root_get_handler(httpd_req_t *req)
}
#if CONFIG_EXAMPLE_ENABLE_HTTPS_USER_CALLBACK
#ifdef CONFIG_ESP_TLS_USING_MBEDTLS
static void print_peer_cert_info(const mbedtls_ssl_context *ssl)
{
const mbedtls_x509_crt *cert;
@@ -58,7 +58,7 @@ static void print_peer_cert_info(const mbedtls_ssl_context *ssl)
free(buf);
}
#endif
/**
* Example callback function to get the certificate of connected clients,
* whenever a new SSL connection is created and closed
@@ -75,22 +75,44 @@ static void print_peer_cert_info(const mbedtls_ssl_context *ssl)
static void https_server_user_callback(esp_https_server_user_cb_arg_t *user_cb)
{
ESP_LOGI(TAG, "User callback invoked!");
#ifdef CONFIG_ESP_TLS_USING_MBEDTLS
mbedtls_ssl_context *ssl_ctx = NULL;
#endif
switch(user_cb->user_cb_state) {
case HTTPD_SSL_USER_CB_SESS_CREATE:
ESP_LOGD(TAG, "At session creation");
// Logging the socket FD
ESP_LOGI(TAG, "Socket FD: %d", user_cb->tls->sockfd);
int sockfd = -1;
esp_err_t esp_ret;
esp_ret = esp_tls_get_conn_sockfd(user_cb->tls, &sockfd);
if (esp_ret != ESP_OK) {
ESP_LOGE(TAG, "Error in obtaining the sockfd from tls context");
break;
}
ESP_LOGI(TAG, "Socket FD: %d", sockfd);
#ifdef CONFIG_ESP_TLS_USING_MBEDTLS
ssl_ctx = (mbedtls_ssl_context *) esp_tls_get_ssl_context(user_cb->tls);
if (ssl_ctx == NULL) {
ESP_LOGE(TAG, "Error in obtaining ssl context");
break;
}
// Logging the current ciphersuite
ESP_LOGI(TAG, "Current Ciphersuite: %s", mbedtls_ssl_get_ciphersuite(&user_cb->tls->ssl));
ESP_LOGI(TAG, "Current Ciphersuite: %s", mbedtls_ssl_get_ciphersuite(ssl_ctx));
#endif
break;
case HTTPD_SSL_USER_CB_SESS_CLOSE:
ESP_LOGD(TAG, "At session close");
#ifdef CONFIG_ESP_TLS_USING_MBEDTLS
// Logging the peer certificate
print_peer_cert_info(&user_cb->tls->ssl);
ssl_ctx = (mbedtls_ssl_context *) esp_tls_get_ssl_context(user_cb->tls);
if (ssl_ctx == NULL) {
ESP_LOGE(TAG, "Error in obtaining ssl context");
break;
}
print_peer_cert_info(ssl_ctx);
#endif
break;
default:
ESP_LOGE(TAG, "Illegal state!");