First Commmit

common/process/searcher_android.go

@@ -0,0 +1,48 @@
+package process
+
+import (
+	"context"
+	"net/netip"
+
+	"github.com/sagernet/sing-box/adapter"
+	"github.com/sagernet/sing-tun"
+	"github.com/sagernet/sing/common"
+)
+
+var _ Searcher = (*androidSearcher)(nil)
+
+type androidSearcher struct {
+	packageManager tun.PackageManager
+}
+
+func NewSearcher(config Config) (Searcher, error) {
+	return &androidSearcher{config.PackageManager}, nil
+}
+
+func (s *androidSearcher) Close() error {
+	return nil
+}
+
+func (s *androidSearcher) FindProcessInfo(ctx context.Context, network string, source netip.AddrPort, destination netip.AddrPort) (*adapter.ConnectionOwner, error) {
+	family, protocol, err := socketDiagSettings(network, source)
+	if err != nil {
+		return nil, err
+	}
+	_, uid, err := querySocketDiagOnce(family, protocol, source)
+	if err != nil {
+		return nil, err
+	}
+	appID := uid % 100000
+	var packageNames []string
+	if sharedPackage, loaded := s.packageManager.SharedPackageByID(appID); loaded {
+		packageNames = append(packageNames, sharedPackage)
+	}
+	if packages, loaded := s.packageManager.PackagesByID(appID); loaded {
+		packageNames = append(packageNames, packages...)
+	}
+	packageNames = common.Uniq(packageNames)
+	return &adapter.ConnectionOwner{
+		UserId:              int32(uid),
+		AndroidPackageNames: packageNames,
+	}, nil
+}