Add FreeRDP backend for remote desktop support

1 files changed, 39 insertions, 0 deletions

diff --git a/backend/backend.c b/backend/backend.c
index 33ad20f2..2c76d989 100644
--- a/backend/backend.c
+++ b/backend/backend.c
@@ -21,6 +21,9 @@
 #if WLR_HAS_X11_BACKEND
 #include <wlr/backend/x11.h>
 #endif
+#if WLR_HAS_RDP_BACKEND
+#include <wlr/backend/rdp.h>
+#endif
 
 void wlr_backend_init(struct wlr_backend *backend,
 		const struct wlr_backend_impl *impl) {
@@ -134,6 +137,38 @@ static struct wlr_backend *attempt_headless_backend(
 	return backend;
 }
 
+#if WLR_HAS_RDP_BACKEND
+static struct wlr_backend *attempt_rdp_backend(struct wl_display *display,
+		wlr_renderer_create_func_t create_renderer_func) {
+	const char *cert_path = getenv("WLR_RDP_TLS_CERT_PATH");
+	const char *key_path = getenv("WLR_RDP_TLS_KEY_PATH");
+	if (!cert_path || !key_path) {
+		wlr_log(WLR_ERROR, "The RDP backend requires WLR_RDP_TLS_CERT_PATH "
+				"and WLR_RDP_TLS_KEY_PATH to be set.");
+		return NULL;
+	}
+	struct wlr_backend *backend = wlr_rdp_backend_create(
+			display, create_renderer_func, cert_path, key_path);
+	const char *address = getenv("WLR_RDP_ADDRESS");
+	if (address) {
+		wlr_rdp_backend_set_address(backend, address);
+	}
+	const char *_port = getenv("WLR_RDP_PORT");
+	if (_port) {
+		char *endptr;
+		int port = strtol(_port, &endptr, 10);
+		if (*endptr || port <= 0 || port >= 1024) {
+			wlr_log(WLR_ERROR, "Expected WLR_RDP_PORT to be a "
+					"positive integer less than 1024");
+			wlr_backend_destroy(backend);
+			return NULL;
+		}
+		wlr_rdp_backend_set_port(backend, port);
+	}
+	return backend;
+}
+#endif
+
 static struct wlr_backend *attempt_noop_backend(struct wl_display *display) {
 	struct wlr_backend *backend = wlr_noop_backend_create(display);
 	if (backend == NULL) {
@@ -185,6 +220,10 @@ static struct wlr_backend *attempt_backend_by_name(struct wl_display *display,
 #endif
 	} else if (strcmp(name, "headless") == 0) {
 		return attempt_headless_backend(display, create_renderer_func);
+#if WLR_HAS_RDP_BACKEND
+	} else if (strcmp(name, "rdp") == 0) {
+		return attempt_rdp_backend(display, create_renderer_func);
+#endif
 	} else if (strcmp(name, "noop") == 0) {
 		return attempt_noop_backend(display);
 	} else if (strcmp(name, "drm") == 0 || strcmp(name, "libinput") == 0) {