From c6f1fddf2e52ce2d4e50c5e6d1931765ada1fe7e Mon Sep 17 00:00:00 2001
From: Mikael Magnusson <mikma@users.sourceforge.net>
Date: Wed, 24 May 2023 22:48:37 +0200
Subject: tunnel: implement gRPC based wgSetConfig

---
 tunnel/tools/libwg-go/api-android.go |  5 +++++
 tunnel/tools/libwg-go/service.go     | 27 +++++++++++++++++++++++++++
 2 files changed, 32 insertions(+)

(limited to 'tunnel/tools')

diff --git a/tunnel/tools/libwg-go/api-android.go b/tunnel/tools/libwg-go/api-android.go
index 943ba628..5d9e8b96 100644
--- a/tunnel/tools/libwg-go/api-android.go
+++ b/tunnel/tools/libwg-go/api-android.go
@@ -54,6 +54,11 @@ type TunnelHandle struct {
 
 var tunnelHandles map[int32]TunnelHandle
 
+func GetTunnel(handle int32) (tunnelHandle TunnelHandle, ok bool) {
+	tunnelHandle, ok = tunnelHandles[handle]
+	return
+}
+
 func init() {
 	tunnelHandles = make(map[int32]TunnelHandle)
 	signals := make(chan os.Signal)
diff --git a/tunnel/tools/libwg-go/service.go b/tunnel/tools/libwg-go/service.go
index 30fe650b..f5460486 100644
--- a/tunnel/tools/libwg-go/service.go
+++ b/tunnel/tools/libwg-go/service.go
@@ -226,6 +226,33 @@ func (e *LibwgServiceImpl) Reverse(stream gen.Libwg_ReverseServer) error {
 	return nil
 }
 
+func (e *LibwgServiceImpl) IpcSet(ctx context.Context, req *gen.IpcSetRequest) (*gen.IpcSetResponse, error) {
+	tunnel, ok := GetTunnel(req.GetTunnel().GetHandle())
+	if !ok {
+		r := &gen.IpcSetResponse{
+			Error: &gen.Error{
+				Message: fmt.Sprintf("Invalid tunnel"),
+			},
+		}
+		return r, nil
+	}
+
+	err := tunnel.device.IpcSet(req.GetConfig())
+	if err != nil {
+		r := &gen.IpcSetResponse{
+			Error: &gen.Error{
+				Message: fmt.Sprintf("IpcSet failed: %v", err),
+			},
+		}
+		return r, nil
+	}
+
+	r := &gen.IpcSetResponse{
+	}
+
+	return r, nil
+}
+
 func (e *LibwgServiceImpl) Dhcp(ctx context.Context, req *gen.DhcpRequest) (*gen.DhcpResponse, error) {
 	var relayAddr netip.Addr
 	var sourceAddr netip.Addr
-- 
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