esp_http_client: Add support to disable validation of certificate's CN field

components/esp_http_client/esp_http_client.c

@@ -506,6 +506,10 @@ esp_http_client_handle_t esp_http_client_init(const esp_http_client_config_t *co
     if (config->client_key_pem) {
         esp_transport_ssl_set_client_key_data(ssl, config->client_key_pem, strlen(config->client_key_pem));
     }
+
+    if (config->skip_cert_common_name_check) {
+        esp_transport_ssl_skip_common_name_check(ssl);
+    }
 #endif
 
     if (_set_config(client, config) != ESP_OK) {

components/esp_http_client/include/esp_http_client.h

@@ -120,6 +120,7 @@ typedef struct {
     void                        *user_data;               /*!< HTTP user_data context */
     bool                        is_async;                 /*!< Set asynchronous mode, only supported with HTTPS for now */
     bool                        use_global_ca_store;      /*!< Use a global ca_store for all the connections in which this bool is set. */
+    bool                        skip_cert_common_name_check;    /*!< Skip any validation of server certificate CN field */
 } esp_http_client_config_t;
 
 /**