diff options
Diffstat (limited to 'tunnel/tools')
-rw-r--r-- | tunnel/tools/libwg-go/.gitignore | 3 | ||||
-rw-r--r-- | tunnel/tools/libwg-go/Makefile | 27 | ||||
-rw-r--r-- | tunnel/tools/libwg-go/api-android.go | 29 | ||||
-rw-r--r-- | tunnel/tools/libwg-go/jni.c | 13 | ||||
-rw-r--r-- | tunnel/tools/libwg-go/service.go | 76 |
5 files changed, 142 insertions, 6 deletions
diff --git a/tunnel/tools/libwg-go/.gitignore b/tunnel/tools/libwg-go/.gitignore index d1638636..d69ee823 100644 --- a/tunnel/tools/libwg-go/.gitignore +++ b/tunnel/tools/libwg-go/.gitignore @@ -1 +1,2 @@ -build/
\ No newline at end of file +build/ +/gen/ diff --git a/tunnel/tools/libwg-go/Makefile b/tunnel/tools/libwg-go/Makefile index a2aefef7..41eea23b 100644 --- a/tunnel/tools/libwg-go/Makefile +++ b/tunnel/tools/libwg-go/Makefile @@ -19,6 +19,7 @@ export CC := $(ANDROID_C_COMPILER) export GOARCH := $(NDK_GO_ARCH_MAP_$(ANDROID_ARCH_NAME)) export GOOS := android export CGO_ENABLED := 1 +export GOPATH ?= $(HOME)/go GO_VERSION := 1.18.2 GO_PLATFORM := $(shell uname -s | tr '[:upper:]' '[:lower:]')-$(NDK_GO_ARCH_MAP_$(shell uname -m)) @@ -27,6 +28,13 @@ GO_HASH_darwin-amd64 := 1f5f539ce0baa8b65f196ee219abf73a7d9cf558ba9128cc0fe4833d GO_HASH_darwin-arm64 := 6c7df9a2405f09aa9bab55c93c9c4ce41d3e58127d626bc1825ba5d0a0045d5c GO_HASH_linux-amd64 := e54bec97a1a5d230fc2f9ad0880fcbabb5888f30ed9666eca4a91c5a32e86cbc +PROTOC_VERSION := 3.20.1 +PROTOC_GEN_GO := $(GOPATH)/bin/protoc-gen-go +PROTOC := $(GRADLE_USER_HOME)/caches/protoc-$(PROTOC_VERSION)/protoc +PROTODIR = $(CURDIR)/../../src/main/proto +PROTO_INCLUDEDIR = $(CURDIR)/../../build/extracted-include-protos/debug +PBDIR = $(GOPATH)/pkg/mod + default: $(DESTDIR)/libwg-go.so $(GRADLE_USER_HOME)/caches/golang/$(GO_TARBALL): @@ -45,8 +53,25 @@ $(BUILDDIR)/go-$(GO_VERSION)/.prepared: $(GRADLE_USER_HOME)/caches/golang/$(GO_T patch -p1 -f -N -r- -d "$(dir $@)" < goruntime-boottime-over-monotonic.diff && \ touch "$@"' +$(PROTOC_GEN_GO): export GOARCH := +$(PROTOC_GEN_GO): export GOOS := +$(PROTOC_GEN_GO): export PATH := $(BUILDDIR)/go-$(GO_VERSION)/bin/:$(PATH) +$(PROTOC_GEN_GO): $(BUILDDIR)/go-$(GO_VERSION)/.prepared Makefile + go install google.golang.org/protobuf/cmd/protoc-gen-go@v1.28 + go install google.golang.org/grpc/cmd/protoc-gen-go-grpc@v1.2 + +gen/%.pb.go: export PATH := $(GOPATH)/bin:$(PATH) +gen/%.pb.go: $(PROTODIR)/%.proto $(BUILDDIR)/go-$(GO_VERSION)/.prepared $(PROTOC_GEN_GO) + test -d gen || mkdir gen + $(PROTOC) -I $(PROTODIR) -I $(PROTO_INCLUDEDIR) --go_out=paths=source_relative:./gen $< + +gen/%_grpc.pb.go: export PATH := $(GOPATH)/bin:$(PATH) +gen/%_grpc.pb.go: $(PROTODIR)/%.proto $(BUILDDIR)/go-$(GO_VERSION)/.prepared $(PROTOC_GEN_GO) + test -d gen || mkdir gen + $(PROTOC) -I $(PROTODIR) -I $(PROTO_INCLUDEDIR) --go-grpc_out=./gen --go-grpc_opt=paths=source_relative $< + $(DESTDIR)/libwg-go.so: export PATH := $(BUILDDIR)/go-$(GO_VERSION)/bin/:$(PATH) -$(DESTDIR)/libwg-go.so: $(BUILDDIR)/go-$(GO_VERSION)/.prepared go.mod +$(DESTDIR)/libwg-go.so: $(BUILDDIR)/go-$(GO_VERSION)/.prepared go.mod api-android.go service.go gen/libwg.pb.go gen/libwg_grpc.pb.go jni.c go build -tags linux -ldflags="-X golang.zx2c4.com/wireguard/ipc.socketDirectory=/data/data/$(ANDROID_PACKAGE_NAME)/cache/wireguard" -v -trimpath -o "$@" -buildmode c-shared .DELETE_ON_ERROR: diff --git a/tunnel/tools/libwg-go/api-android.go b/tunnel/tools/libwg-go/api-android.go index d47c5d76..fd0142e1 100644 --- a/tunnel/tools/libwg-go/api-android.go +++ b/tunnel/tools/libwg-go/api-android.go @@ -48,6 +48,7 @@ func (l AndroidLogger) Printf(format string, args ...interface{}) { type TunnelHandle struct { device *device.Device uapi net.Listener + logger *device.Logger } var tunnelHandles map[int32]TunnelHandle @@ -208,20 +209,40 @@ func wgGetConfig(tunnelHandle int32) *C.char { //export wgVersion func wgVersion() *C.char { + return C.CString(Version()) +} + +func Version() string { info, ok := debug.ReadBuildInfo() if !ok { - return C.CString("unknown") + return "unknown" } for _, dep := range info.Deps { if dep.Path == "golang.zx2c4.com/wireguard" { parts := strings.Split(dep.Version, "-") if len(parts) == 3 && len(parts[2]) == 12 { - return C.CString(parts[2][:7]) + return parts[2][:7] } - return C.CString(dep.Version) + return dep.Version } } - return C.CString("unknown") + return "unknown" +} + +//export wgStartGrpc +func wgStartGrpc(sock_path string) C.int{ + tag := cstring("WireGuard/GoBackend/gRPC") + logger := &device.Logger{ + Verbosef: AndroidLogger{level: C.ANDROID_LOG_DEBUG, tag: tag}.Printf, + Errorf: AndroidLogger{level: C.ANDROID_LOG_ERROR, tag: tag}.Printf, + } + + res, errmsg := StartGrpc(sock_path, logger) + if res < 0 { + logger.Verbosef("wgStartGrpc: %v (%v)", errmsg, res) + } + + return C.int(res) } func main() {} diff --git a/tunnel/tools/libwg-go/jni.c b/tunnel/tools/libwg-go/jni.c index 7ad94d35..121729a7 100644 --- a/tunnel/tools/libwg-go/jni.c +++ b/tunnel/tools/libwg-go/jni.c @@ -14,6 +14,7 @@ extern int wgGetSocketV4(int handle); extern int wgGetSocketV6(int handle); extern char *wgGetConfig(int handle); extern char *wgVersion(); +extern int wgStartGrpc(); JNIEXPORT jint JNICALL Java_com_wireguard_android_backend_GoBackend_wgTurnOn(JNIEnv *env, jclass c, jstring ifname, jint tun_fd, jstring settings) { @@ -69,3 +70,15 @@ JNIEXPORT jstring JNICALL Java_com_wireguard_android_backend_GoBackend_wgVersion free(version); return ret; } + +JNIEXPORT jint JNICALL Java_com_wireguard_android_backend_GoBackend_wgStartGrpc(JNIEnv *env, jclass c, jstring sockname) +{ + const char *sockname_str = (*env)->GetStringUTFChars(env, sockname, 0); + size_t sockname_len = (*env)->GetStringUTFLength(env, sockname); + jint res = wgStartGrpc((struct go_string){ + .str = sockname_str, + .n = sockname_len + }); + (*env)->ReleaseStringUTFChars(env, sockname, sockname_str); + return res; +} diff --git a/tunnel/tools/libwg-go/service.go b/tunnel/tools/libwg-go/service.go new file mode 100644 index 00000000..2a0dfb2d --- /dev/null +++ b/tunnel/tools/libwg-go/service.go @@ -0,0 +1,76 @@ +package main + +import ( + "context" + "fmt" + "net" + "os" + + "google.golang.org/grpc" + + gen "golang.zx2c4.com/wireguard/android/gen" + "golang.zx2c4.com/wireguard/device" +) + +type LibwgServiceImpl struct { + gen.UnimplementedLibwgServer + logger *device.Logger +} + +var _ gen.LibwgServer = (*LibwgServiceImpl)(nil) +var server *grpc.Server + +func NewLibwgService(logger *device.Logger) gen.LibwgServer { + return &LibwgServiceImpl{logger: logger} +} + +func StartGrpc(sock_path string, logger *device.Logger) (int, string) { + if server != nil { + return -1, "Already started" + } + + if _, err := os.Stat(sock_path); err == nil { + if err := os.RemoveAll(sock_path); err != nil { + return -1, fmt.Sprintf("Cleanup failed: %v %v", sock_path, err) + } + } + + listener, err := net.Listen("unix", sock_path) + if err != nil { + return -1, fmt.Sprintf("Listen failed: %v %v", sock_path, err) + } + + server = grpc.NewServer() + service := NewLibwgService(logger) + + gen.RegisterLibwgServer(server, service) + + go func() { + server.Serve(listener) + }() + + logger.Verbosef("gRPC started") + + return 0, "" +} + +func (e *LibwgServiceImpl) Version(ctx context.Context, req *gen.VersionRequest) (*gen.VersionResponse, error) { + + r := &gen.VersionResponse{ + Version: Version(), + } + + return r, nil +} + +func (e *LibwgServiceImpl) StopGrpc(ctx context.Context, req *gen.StopGrpcRequest) (*gen.StopGrpcResponse, error) { + if server != nil { + server.Stop() + server = nil + } + + r := &gen.StopGrpcResponse{ + } + + return r, nil +} |