func TestNonseekable(t *testing.T) {
fs := &nonseekFs{FileSystem: pathfs.NewDefaultFileSystem()}
fs.Length = 200 * 1024
dir := testutil.TempDir()
defer os.RemoveAll(dir)
nfs := pathfs.NewPathNodeFs(fs, nil)
opts := nodefs.NewOptions()
opts.Debug = testutil.VerboseTest()
state, _, err := nodefs.MountRoot(dir, nfs.Root(), opts)
if err != nil {
t.Fatalf("failed: %v", err)
}
defer state.Unmount()
go state.Serve()
if err := state.WaitMount(); err != nil {
t.Fatal("WaitMount", err)
}
f, err := os.Open(dir + "/file")
if err != nil {
t.Fatalf("failed: %v", err)
}
defer f.Close()
b := make([]byte, 200)
n, err := f.ReadAt(b, 20)
if err == nil || n > 0 {
t.Errorf("file was opened nonseekable, but seek successful")
}
}
func setupCacheTest(t *testing.T) (string, *pathfs.PathNodeFs, func()) {
dir := testutil.TempDir()
os.Mkdir(dir+"/mnt", 0755)
os.Mkdir(dir+"/orig", 0755)
fs := &cacheFs{
pathfs.NewLoopbackFileSystem(dir + "/orig"),
}
pfs := pathfs.NewPathNodeFs(fs, &pathfs.PathNodeFsOptions{Debug: testutil.VerboseTest()})
opts := nodefs.NewOptions()
opts.Debug = testutil.VerboseTest()
state, _, err := nodefs.MountRoot(dir+"/mnt", pfs.Root(), opts)
if err != nil {
t.Fatalf("MountNodeFileSystem failed: %v", err)
}
go state.Serve()
if err := state.WaitMount(); err != nil {
t.Fatal("WaitMount", err)
}
return dir, pfs, func() {
err := state.Unmount()
if err == nil {
os.RemoveAll(dir)
}
}
}
// this function was borrowed from https://raw.githubusercontent.com/hanwen/go-fuse/master/example/memfs/main.go
func main() {
// Scans the arg list and sets up flags
debug := flag.Bool("debug", false, "print debugging messages.")
flag.Parse()
if flag.NArg() < 3 {
fmt.Println("usage: appendfs <mountpoint> <datafile> <metadatafile>")
os.Exit(2)
}
mountPoint := flag.Arg(0)
fs, err := appendfs.NewAppendFS(flag.Arg(1), flag.Arg(2))
if err != nil {
fmt.Printf("Mount fail: %v\n", err)
os.Exit(1)
}
options := nodefs.NewOptions()
options.Owner = nil
conn := nodefs.NewFileSystemConnector(fs.Root(), options)
server, err := fuse.NewServer(conn.RawFS(), mountPoint, nil)
if err != nil {
fmt.Printf("Mount fail: %v\n", err)
os.Exit(1)
}
server.SetDebug(*debug)
fmt.Println("Mounted!")
server.Serve()
fmt.Println("Closing filesystem")
err = fs.Close()
if err != nil {
fmt.Printf("Unmount fail: %v\n", err)
os.Exit(1)
}
}
func setupFAttrTest(t *testing.T, fs pathfs.FileSystem) (dir string, clean func()) {
dir, err := ioutil.TempDir("", "go-fuse-fsetattr_test")
if err != nil {
t.Fatalf("TempDir failed: %v", err)
}
nfs := pathfs.NewPathNodeFs(fs, nil)
opts := nodefs.NewOptions()
opts.Debug = VerboseTest()
state, _, err := nodefs.MountRoot(dir, nfs.Root(), opts)
if err != nil {
t.Fatalf("MountNodeFileSystem failed: %v", err)
}
go state.Serve()
if err := state.WaitMount(); err != nil {
t.Fatal("WaitMount", err)
}
if state.KernelSettings().Flags&fuse.CAP_FILE_OPS == 0 {
t.Skip("Mount does not support file operations")
}
return dir, func() {
if err := state.Unmount(); err != nil {
t.Errorf("cleanup: Unmount: %v", err)
} else {
os.RemoveAll(dir)
}
}
}
func defaultReadTest(t *testing.T) (root string, cleanup func()) {
fs := &DefaultReadFS{
FileSystem: pathfs.NewDefaultFileSystem(),
size: 22,
}
var err error
dir, err := ioutil.TempDir("", "go-fuse")
if err != nil {
t.Fatalf("TempDir failed: %v", err)
}
pathfs := pathfs.NewPathNodeFs(fs, nil)
opts := nodefs.NewOptions()
opts.Debug = VerboseTest()
state, _, err := nodefs.MountRoot(dir, pathfs.Root(), opts)
if err != nil {
t.Fatalf("MountNodeFileSystem failed: %v", err)
}
go state.Serve()
if err := state.WaitMount(); err != nil {
t.Fatal("WaitMount", err)
}
return dir, func() {
state.Unmount()
os.Remove(dir)
}
}
func TestDefaultXAttr(t *testing.T) {
dir := testutil.TempDir()
defer os.RemoveAll(dir)
root := &xattrNode{
Node: nodefs.NewDefaultNode(),
}
opts := nodefs.NewOptions()
opts.Debug = testutil.VerboseTest()
s, _, err := nodefs.MountRoot(dir, root, opts)
if err != nil {
t.Fatalf("MountRoot: %v", err)
}
go s.Serve()
if err := s.WaitMount(); err != nil {
t.Fatal("WaitMount", err)
}
defer s.Unmount()
var data [1024]byte
sz, err := syscall.Getxattr(filepath.Join(dir, "child"), "attr", data[:])
if err != nil {
t.Fatalf("Getxattr: %v", err)
} else if val := string(data[:sz]); val != "value" {
t.Fatalf("got %v, want 'value'", val)
}
}
func main() {
fsdebug := flag.Bool("fs-debug", false, "switch on FS debugging")
p4port := flag.String("p4-server", "", "address for P4 server")
p4binary := flag.String("p4-binary", "p4", "binary for P4 commandline client")
backingDir := flag.String("backing", "", "directory to store file contents.")
profile := flag.String("profile", "", "record cpu profile.")
flag.Parse()
if len(flag.Args()) != 1 {
log.Fatal("Usage: p4fs MOUNT-POINT")
}
mountpoint := flag.Arg(0)
opts := p4.ConnOptions{
Binary: *p4binary,
Address: *p4port,
}
p4conn := p4.NewConn(opts)
if *backingDir == "" {
d, err := ioutil.TempDir("", "p4fs")
if err != nil {
log.Fatalf("TempDir failed: %v", err)
}
*backingDir = d
defer os.RemoveAll(d)
}
root := NewP4FSRoot(p4conn, *backingDir)
conn := nodefs.NewFileSystemConnector(root, nodefs.NewOptions())
mount, err := fuse.NewServer(conn.RawFS(), mountpoint, nil)
if err != nil {
log.Fatalf("mount failed: %v", err)
}
conn.SetDebug(*fsdebug)
mount.SetDebug(*fsdebug)
log.Println("starting FUSE.")
if *profile != "" {
profFile, err := os.Create(*profile)
if err != nil {
log.Fatalf("os.Create: %v", err)
}
pprof.StartCPUProfile(profFile)
defer pprof.StopCPUProfile()
}
mount.Serve()
}
func TestOwnerDefault(t *testing.T) {
wd, cleanup := setupOwnerTest(t, nodefs.NewOptions())
defer cleanup()
var stat syscall.Stat_t
err := syscall.Lstat(wd+"/foo", &stat)
if err != nil {
t.Fatalf("Lstat failed: %v", err)
}
if int(stat.Uid) != os.Getuid() || int(stat.Gid) != os.Getgid() {
t.Fatal("Should use current uid for mount")
}
}
func setupWithoutServer(t *testing.T) (workdir string, cleanup func()) {
tmpDir, err := ioutil.TempDir("", "ec2metadata-test")
if err != nil {
t.Fatalf("creating tempdir failed: %v", err)
}
fs := New("")
nfs := pathfs.NewPathNodeFs(fs, nil)
state, _, err := nodefs.MountRoot(tmpDir, nfs.Root(), nodefs.NewOptions())
if err != nil {
t.Fatalf("mounting filesystem failed: %v", err)
}
go state.Serve()
return tmpDir, func() {
state.Unmount()
os.RemoveAll(tmpDir)
}
}
func main() {
// Scans the arg list and sets up flags
debug := flag.Bool("debug", false, "debug on")
flag.Parse()
if flag.NArg() < 1 {
_, prog := filepath.Split(os.Args[0])
fmt.Printf("usage: %s MOUNTPOINT\n", prog)
os.Exit(2)
}
fs := zipfs.NewMultiZipFs()
nfs := pathfs.NewPathNodeFs(fs, nil)
opts := nodefs.NewOptions()
opts.Debug = *debug
state, _, err := nodefs.MountRoot(flag.Arg(0), nfs.Root(), opts)
if err != nil {
fmt.Printf("Mount fail: %v\n", err)
os.Exit(1)
}
state.Serve()
}
func setup(t *testing.T) (svc *ec2.EC2, dir string, cleanup func()) {
svc = ec2.New(session.New())
svc.Handlers.Clear()
tmpDir, err := ioutil.TempDir("", "ec2metadata-test")
if err != nil {
t.Fatalf("creating tempdir failed: %v", err)
}
fs := New(svc, "i-123456")
nfs := pathfs.NewPathNodeFs(fs, nil)
state, _, err := nodefs.MountRoot(tmpDir, nfs.Root(), nodefs.NewOptions())
if err != nil {
t.Fatalf("mounting filesystem failed: %v", err)
}
go state.Serve()
return svc, tmpDir, func() {
state.Unmount()
os.RemoveAll(tmpDir)
}
}
func setup(t *testing.T) (mux *http.ServeMux, workdir string, cleanup func()) {
mux = http.NewServeMux()
server := httptest.NewServer(mux)
tmpDir, err := ioutil.TempDir("", "ec2metadata-test")
if err != nil {
t.Fatalf("creating tempdir failed: %v", err)
}
fs := New(server.URL + "/")
nfs := pathfs.NewPathNodeFs(fs, nil)
state, _, err := nodefs.MountRoot(tmpDir, nfs.Root(), nodefs.NewOptions())
if err != nil {
t.Fatalf("mounting filesystem failed: %v", err)
}
go state.Serve()
return mux, tmpDir, func() {
server.Close()
state.Unmount()
os.RemoveAll(tmpDir)
}
}
func startFs(t *testing.T, useAndroid bool) (root string, cleanup func()) {
dev, err := mtp.SelectDevice("")
if err != nil {
t.Fatalf("SelectDevice failed: %v", err)
}
defer func() {
if dev != nil {
dev.Close()
}
}()
if err = dev.Configure(); err != nil {
t.Fatalf("Configure failed: %v", err)
}
sids, err := SelectStorages(dev, "")
if err != nil {
t.Fatalf("selectStorages failed: %v", err)
}
if len(sids) == 0 {
t.Fatal("no storages found. Unlock device?")
}
tempdir, err := ioutil.TempDir("", "mtpfs")
if err != nil {
t.Fatal(err)
}
opts := DeviceFsOptions{
Android: useAndroid,
}
fs, err := NewDeviceFs(dev, sids, opts)
if err != nil {
t.Fatal("NewDeviceFs failed:", err)
}
conn := nodefs.NewFileSystemConnector(fs, nodefs.NewOptions())
rawFs := fuse.NewLockingRawFileSystem(conn.RawFS())
mount, err := fuse.NewServer(rawFs, tempdir, nil)
if err != nil {
t.Fatalf("mount failed: %v", err)
}
mount.SetDebug(fuse.VerboseTest())
dev.MTPDebug = fuse.VerboseTest()
dev.USBDebug = fuse.VerboseTest()
dev.DataDebug = fuse.VerboseTest()
go mount.Serve()
for i := 0; i < 10; i++ {
fis, err := ioutil.ReadDir(tempdir)
if err == nil && len(fis) > 0 {
root = filepath.Join(tempdir, fis[0].Name())
break
}
time.Sleep(1)
}
if root == "" {
mount.Unmount()
t.Fatal("could not find entries in mount point.")
}
d := dev
dev = nil
return root, func() {
mount.Unmount()
d.Close()
}
}
func main() {
debug := flag.String("debug", "", "comma-separated list of debugging options: usb, data, mtp, fuse")
usbTimeout := flag.Int("usb-timeout", 5000, "timeout in milliseconds")
vfat := flag.Bool("vfat", true, "assume removable RAM media uses VFAT, and rewrite names.")
other := flag.Bool("allow-other", false, "allow other users to access mounted fuse. Default: false.")
deviceFilter := flag.String("dev", "",
"regular expression to filter device IDs, "+
"which are composed of manufacturer/product/serial.")
storageFilter := flag.String("storage", "", "regular expression to filter storage areas.")
android := flag.Bool("android", true, "use android extensions if available")
flag.Parse()
if len(flag.Args()) != 1 {
log.Fatalf("Usage: %s [options] MOUNT-POINT\n", os.Args[0])
}
mountpoint := flag.Arg(0)
dev, err := mtp.SelectDevice(*deviceFilter)
if err != nil {
log.Fatalf("detect failed: %v", err)
}
defer dev.Close()
debugs := map[string]bool{}
for _, s := range strings.Split(*debug, ",") {
debugs[s] = true
}
dev.MTPDebug = debugs["mtp"]
dev.DataDebug = debugs["data"]
dev.USBDebug = debugs["usb"]
dev.Timeout = *usbTimeout
if err = dev.Configure(); err != nil {
log.Fatalf("Configure failed: %v", err)
}
sids, err := fs.SelectStorages(dev, *storageFilter)
if err != nil {
log.Fatalf("selectStorages failed: %v", err)
}
opts := fs.DeviceFsOptions{
RemovableVFat: *vfat,
Android: *android,
}
fs, err := fs.NewDeviceFs(dev, sids, opts)
if err != nil {
log.Fatalf("NewDeviceFs failed: %v", err)
}
conn := nodefs.NewFileSystemConnector(fs, nodefs.NewOptions())
rawFs := fuse.NewLockingRawFileSystem(conn.RawFS())
mOpts := &fuse.MountOptions{
AllowOther: *other,
}
mount, err := fuse.NewServer(rawFs, mountpoint, mOpts)
if err != nil {
log.Fatalf("mount failed: %v", err)
}
conn.SetDebug(debugs["fuse"] || debugs["fs"])
mount.SetDebug(debugs["fuse"] || debugs["fs"])
log.Printf("starting FUSE.")
mount.Serve()
fs.OnUnmount()
}
