Removed user substituting and chrooting. It must be made within systemd unit file.

cmd/dwelling-upload-clean/main.go

@@ -8,36 +8,13 @@ import (
 	"io/ioutil"
 	"log"
 	"os"
-	"os/user"
 	"path"
-	"strconv"
-	"syscall"
 	"time"
 )
 
 var configPath *string = flag.String("conf", "config.yaml", "path to configuration file")
 var logToStdout *bool = flag.Bool("log-stdout", false, "write logs to stdout")
 
-func substituteUser(username string) error {
-	u, err := user.Lookup(username)
-	if err != nil {
-		return err
-	}
-
-	uid, err := strconv.Atoi(u.Uid)
-	if err != nil {
-		return err
-	}
-
-	if os.Getuid() != uid {
-		if err := syscall.Setuid(uid); err != nil {
-			return err
-		}
-	}
-
-	return nil
-}
-
 func main() {
 	flag.Parse()
 
@@ -46,16 +23,6 @@ func main() {
 		log.Fatalln(err)
 	}
 
-	if config.Chroot != "" {
-		if err := syscall.Chroot(config.Chroot); err != nil {
-			log.Fatalln("failed to chroot:", err)
-		}
-	}
-
-	if err := substituteUser(config.User); err != nil {
-		log.Fatalln(err)
-	}
-
 	if *logToStdout {
 		config.Log.ToStdout = true
 	}