mount: add option to disable allow others

fix https://github.com/chrislusf/seaweedfs/issues/877

weed/command/mount.go

@@ -17,6 +17,7 @@ type MountOptions struct {
 	ttlSec             *int
 	chunkSizeLimitMB   *int
 	dataCenter         *string
+	allowOthers        *bool
 }
 
 var (
@@ -37,6 +38,7 @@ func init() {
 	mountOptions.ttlSec = cmdMount.Flag.Int("ttl", 0, "file ttl in seconds")
 	mountOptions.chunkSizeLimitMB = cmdMount.Flag.Int("chunkSizeLimitMB", 4, "local write buffer size, also chunk large files")
 	mountOptions.dataCenter = cmdMount.Flag.String("dataCenter", "", "prefer to write to the data center")
+	mountOptions.allowOthers = cmdMount.Flag.Bool("allowOthers", true, "allows other users to access the file system")
 	mountCpuProfile = cmdMount.Flag.String("cpuprofile", "", "cpu profile output file")
 	mountMemProfile = cmdMount.Flag.String("memprofile", "", "memory profile output file")
 }

weed/command/mount_std.go

@@ -56,8 +56,7 @@ func runMount(cmd *Command, args []string) bool {
 
 	util.SetupProfiling(*mountCpuProfile, *mountMemProfile)
 
-	c, err := fuse.Mount(
-		*mountOptions.dir,
+	options := []fuse.MountOption{
 		fuse.VolumeName("SeaweedFS"),
 		fuse.FSName("SeaweedFS"),
 		fuse.Subtype("SeaweedFS"),
@@ -67,13 +66,17 @@ func runMount(cmd *Command, args []string) bool {
 		fuse.AutoXattr(),
 		fuse.ExclCreate(),
 		fuse.DaemonTimeout("3600"),
-		fuse.AllowOther(),
 		fuse.AllowSUID(),
 		fuse.DefaultPermissions(),
 		fuse.MaxReadahead(1024 * 128),
 		fuse.AsyncRead(),
 		fuse.WritebackCache(),
-	)
+	}
+	if *mountOptions.allowOthers {
+		options = append(options, fuse.AllowOther())
+	}
+
+	c, err := fuse.Mount(*mountOptions.dir, options...)
 	if err != nil {
 		glog.Fatal(err)
 		return false