Add temporary api function to enable auth without tls

include/neatvnc.h

@@ -154,10 +154,17 @@ void nvnc_set_client_cleanup_fn(struct nvnc_client* self, nvnc_client_fn fn);
 void nvnc_set_cut_text_fn(struct nvnc*, nvnc_cut_text_fn fn);
 void nvnc_set_desktop_layout_fn(struct nvnc* self, nvnc_desktop_layout_fn);
 
+/* TODO: Changes this interface so that we have enable_auth(auth_fn),
+ * set_tls_creds(key, cert), and has_tls() -> bool
+ */
+
 bool nvnc_has_auth(void);
+
 int nvnc_enable_auth(struct nvnc* self, const char* privkey_path,
                      const char* cert_path, nvnc_auth_fn, void* userdata);
 
+int nvnc_enable_auth2(struct nvnc* self, nvnc_auth_fn, void* userdata);
+
 struct nvnc_fb* nvnc_fb_new(uint16_t width, uint16_t height,
                             uint32_t fourcc_format, uint16_t stride);
 struct nvnc_fb* nvnc_fb_from_buffer(void* buffer, uint16_t width,

src/server.c

@@ -2326,6 +2326,16 @@ cert_alloc_failure:
 	return -1;
 }
 
+EXPORT
+int nvnc_enable_auth2(struct nvnc* self, nvnc_auth_fn auth_fn, void* userdata)
+{
+#ifdef HAVE_CRYPTO
+	self->auth_fn = auth_fn;
+	return 0;
+#endif
+	return -1;
+}
+
 EXPORT
 void nvnc_set_cursor(struct nvnc* self, struct nvnc_fb* fb, uint16_t width,
 		uint16_t height, uint16_t hotspot_x, uint16_t hotspot_y,