1 files changed, 125 insertions, 0 deletions
diff --git a/tunnel/src/main/proto/libwg.proto b/tunnel/src/main/proto/libwg.proto
new file mode 100644
index 00000000..3195690d
--- /dev/null
+++ b/tunnel/src/main/proto/libwg.proto
@@ -0,0 +1,125 @@
+syntax = "proto3";
+
+import "google/protobuf/duration.proto";
+
+option java_multiple_files = true;
+option java_package = 'com.wireguard.android.backend.gen';
+option java_outer_classname = "LibwgProto";
+option java_generic_services = true;
+option go_package = 'golang.zx2c4.com/wireguard/android/gen';
+
+package api;
+
+service Libwg {
+	rpc StopGrpc(StopGrpcRequest) returns (StopGrpcResponse);
+	rpc Version(VersionRequest) returns (VersionResponse);
+	rpc StartHttpProxy(StartHttpProxyRequest) returns (StartHttpProxyResponse);
+	rpc StopHttpProxy(StopHttpProxyRequest) returns (StopHttpProxyResponse);
+	rpc Reverse(stream ReverseRequest) returns (stream ReverseResponse);
+	rpc IpcSet(IpcSetRequest) returns (IpcSetResponse);
+	rpc Dhcp(DhcpRequest) returns (DhcpResponse);
+}
+
+message TunnelHandle { int32 handle = 1; }
+
+message Error {
+	enum Code {
+		NO_ERROR = 0;
+		UNSPECIFIED = 1;
+		INVALID_PROTOCOL_BUFFER = 2;
+		INVALID_RESPONSE = 3;
+	}
+	Code code = 1;
+	string message = 2;
+}
+
+message InetAddress {
+	bytes address = 1;
+}
+
+message InetSocketAddress {
+	InetAddress address = 1;
+	uint32 port = 2;
+}
+
+message StopGrpcRequest {
+}
+
+message StopGrpcResponse {
+}
+
+message VersionRequest {
+}
+
+message VersionResponse {
+	string version = 1;
+}
+
+message StartHttpProxyRequest {
+	oneof pacFile {
+		string pacFileUrl = 1;
+		string pacFileContent = 2;
+        }
+}
+
+message StartHttpProxyResponse {
+	uint32 listen_port = 1;
+	Error error = 2;
+}
+
+message StopHttpProxyRequest {
+}
+
+message StopHttpProxyResponse {
+	Error error = 1;
+}
+
+message ReverseRequest {
+	oneof response {
+		GetConnectionOwnerUidResponse uid = 1;
+	}
+}
+
+message ReverseResponse {
+	oneof request {
+		GetConnectionOwnerUidRequest uid = 1;
+	}
+}
+
+message GetConnectionOwnerUidRequest {
+	// ConnectivityManager.getConnectionOwnerUid(int protocol,
+	//     InetSocketAddress local, InetSocketAddress remote)
+	int32 protocol = 1;
+	InetSocketAddress local = 2;
+	InetSocketAddress remote = 3;
+}
+
+message GetConnectionOwnerUidResponse {
+	int32 uid = 1;
+	string package = 2; // context.getPackageManager().getNameForUid()
+}
+
+message IpcSetRequest {
+	TunnelHandle tunnel = 1;
+	string config = 2;
+}
+
+message IpcSetResponse {
+	Error error = 1;
+}
+
+message Lease {
+        InetAddress address = 1;
+        google.protobuf.Duration preferred_lifetime = 2;
+        google.protobuf.Duration valid_lifetime = 3;
+}
+
+message DhcpRequest {
+        InetAddress relay = 1;
+        InetAddress source = 2;
+}
+
+message DhcpResponse { 
+       Error error = 1;
+       repeated Lease leases = 2;
+}