func (c *Cgroups) Remove(name string) error {
errCpu := syscall.Rmdir(c.cpuacct + "/" + name)
errMemory := syscall.Rmdir(c.memory + "/" + name)
if errCpu != nil && errMemory != nil {
return errCpu
}
return nil
}
// TestMkdirRmdir creates and deletes a directory
func TestMkdirRmdir(t *testing.T, plainDir string) {
dir := plainDir + "/dir1"
err := os.Mkdir(dir, 0777)
if err != nil {
t.Error(err)
return
}
err = syscall.Rmdir(dir)
if err != nil {
t.Error(err)
return
}
// Removing a non-empty dir should fail with ENOTEMPTY
if os.Mkdir(dir, 0777) != nil {
t.Error(err)
return
}
f, err := os.Create(dir + "/file")
if err != nil {
t.Error(err)
return
}
f.Close()
err = syscall.Rmdir(dir)
errno := err.(syscall.Errno)
if errno != syscall.ENOTEMPTY {
t.Errorf("Should have gotten ENOTEMPTY, go %v", errno)
}
if syscall.Unlink(dir+"/file") != nil {
t.Error(err)
return
}
if syscall.Rmdir(dir) != nil {
t.Error(err)
return
}
// We should also be able to remove a directory we do not have permissions to
// read or write
err = os.Mkdir(dir, 0000)
if err != nil {
t.Error(err)
return
}
err = syscall.Rmdir(dir)
if err != nil {
// Make sure the directory can cleaned up by the next test run
os.Chmod(dir, 0700)
t.Error(err)
return
}
}
func (fs *FS) Delete(id string) error {
//dn := fs.of_id(id)
a, b, c, d := SplitFN(id)
an := fs.Prefix + "/" + a
bn := an + "/" + b
cn := bn + "/" + c
dn := cn + "/" + d
e := os.RemoveAll(dn)
if e == nil {
syscall.Rmdir(cn)
syscall.Rmdir(bn)
syscall.Rmdir(an)
}
return e
}
func TestWriteFilePermissions(t *testing.T) {
dir, err := ioutil.TempDir(os.TempDir(), "coreos-cloudinit-")
if err != nil {
t.Fatalf("Unable to create tempdir: %v", err)
}
defer syscall.Rmdir(dir)
fullPath := path.Join(dir, "tmp", "foo")
wf := File{
Path: fullPath,
RawFilePermissions: "0755",
}
if err := WriteFile(&wf); err != nil {
t.Fatalf("Processing of WriteFile failed: %v", err)
}
fi, err := os.Stat(fullPath)
if err != nil {
t.Fatalf("Unable to stat file: %v", err)
}
if fi.Mode() != os.FileMode(0755) {
t.Errorf("File has incorrect mode: %v", fi.Mode())
}
}
func (file *File) unlink() error {
// Remove whatever was there.
// NOTE: We will generally require the
// write lock to be held for this routine.
if file.write_deleted {
err := cleardelattr(file.write_path)
if err != nil {
return err
}
}
var stat syscall.Stat_t
err := syscall.Lstat(file.write_path, &stat)
if err == nil {
if stat.Mode&syscall.S_IFDIR != 0 {
err = syscall.Rmdir(file.write_path)
if err != nil {
return err
}
} else {
err = syscall.Unlink(file.write_path)
if err != nil {
return err
}
}
}
file.write_exists = false
file.write_deleted = false
return nil
}
// Remove removes the named file or directory.
// If there is an error, it will be of type *PathError.
func Remove(name string) error {
// System call interface forces us to know
// whether name is a file or directory.
// Try both: it is cheaper on average than
// doing a Stat plus the right one.
e := syscall.Unlink(name)
if e == nil {
return nil
}
e1 := syscall.Rmdir(name)
if e1 == nil {
return nil
}
// Both failed: figure out which error to return.
// OS X and Linux differ on whether unlink(dir)
// returns EISDIR, so can't use that. However,
// both agree that rmdir(file) returns ENOTDIR,
// so we can use that to decide which error is real.
// Rmdir might also return ENOTDIR if given a bad
// file path, like /etc/passwd/foo, but in that case,
// both errors will be ENOTDIR, so it's okay to
// use the error from unlink.
if e1 != syscall.ENOTDIR {
e = e1
}
return &PathError{"remove", name, e}
}
func cmd_rmdir(cmd *Interpreter) (ErrorLevel, error) {
if len(cmd.Args) <= 1 {
fmt.Println("Usage: rmdir [/s] DIRECTORIES...")
return NOERROR, nil
}
s_option := false
message := "%s: Rmdir Are you sure? [Yes/No/Quit] "
errorcount := ErrorLevel(0)
for _, arg1 := range cmd.Args[1:] {
if arg1 == "/s" {
s_option = true
message = "%s : Delete Tree. Are you sure? [Yes/No/Quit] "
continue
}
stat, statErr := os.Lstat(arg1)
if statErr != nil {
fmt.Fprintf(cmd.Stderr, "%s: %s\n", arg1, statErr)
errorcount++
continue
}
if !stat.IsDir() {
fmt.Fprintf(cmd.Stderr, "%s: not directory\n", arg1)
errorcount++
continue
}
fmt.Fprintf(cmd.Stderr, message, arg1)
ch := conio.GetCh()
fmt.Fprintf(cmd.Stderr, "%c ", ch)
switch ch {
case 'y', 'Y':
case 'q', 'Q':
fmt.Fprintln(cmd.Stderr, "-> canceled all")
return errorcount, nil
default:
fmt.Fprintln(cmd.Stderr, "-> canceled")
continue
}
var err error
if s_option {
fmt.Fprintln(cmd.Stdout)
err = dos.Truncate(arg1, func(path string, err error) bool {
fmt.Fprintf(cmd.Stderr, "%s -> %s\n", path, err.Error())
return true
}, cmd.Stdout)
} else {
err = syscall.Rmdir(arg1)
}
if err != nil {
fmt.Fprintf(cmd.Stderr, "-> %s\n", err.Error())
errorcount++
} else {
fmt.Fprintln(cmd.Stderr, "-> done.")
}
}
return errorcount, nil
}
// Create and delete a directory
func testMkdirRmdir(t *testing.T, plainDir string) {
dir := plainDir + "dir1"
err := os.Mkdir(dir, 0777)
if err != nil {
t.Fatal(err)
}
err = syscall.Rmdir(dir)
if err != nil {
t.Fatal(err)
}
// Removing a non-empty dir should fail with ENOTEMPTY
if os.Mkdir(dir, 0777) != nil {
t.Fatal(err)
}
f, err := os.Create(dir + "/file")
if err != nil {
t.Fatal(err)
}
f.Close()
err = syscall.Rmdir(dir)
errno := err.(syscall.Errno)
if errno != syscall.ENOTEMPTY {
t.Errorf("Should have gotten ENOTEMPTY, go %v", errno)
}
if syscall.Unlink(dir+"/file") != nil {
t.Fatal(err)
}
if syscall.Rmdir(dir) != nil {
t.Fatal(err)
}
// We should also be able to remove a directory we do not have permissions to
// read or write
err = os.Mkdir(dir, 0000)
if err != nil {
t.Fatal(err)
}
err = syscall.Rmdir(dir)
if err != nil {
t.Fatal(err)
}
}
func (constor *Constor) Rmdir(header *fuse.InHeader, name string) (code fuse.Status) {
constor.log("%d %s", header.NodeId, name)
var stat syscall.Stat_t
parentino := header.NodeId
dirpath, err := constor.dentrymap.getPath(parentino)
if err != nil {
return fuse.ToStatus(err)
}
path := Path.Join(dirpath, name)
if err := constor.Lstat(path, &stat); err != nil {
return fuse.ToStatus(err)
}
li := constor.getLayer(path)
if li == -1 {
return fuse.EIO
}
pathlayer0 := Path.Join(constor.layers[0], path)
if li == 0 {
// FIXME: make sure the dir is not empty
// err = os.RemoveAll(pathlayer0)
err = syscall.Rmdir(pathlayer0)
if err != nil {
return fuse.ToStatus(err)
}
li = constor.getLayer(path)
}
if li > 0 {
err := constor.createPath(dirpath)
if err != nil {
return fuse.ToStatus(err)
}
fd, err := syscall.Creat(pathlayer0, 0)
if err != nil {
return fuse.ToStatus(err)
}
syscall.Close(fd)
err = constor.setdeleted(pathlayer0)
if err != nil {
return fuse.ToStatus(err)
}
}
dentry, err := constor.dentrymap.findDentry(parentino, stat.Ino)
if err != nil {
return fuse.ToStatus(err)
}
constor.dentrymap.unhashDentry(dentry)
return fuse.OK
}
func TestWriteFileInvalidPermission(t *testing.T) {
wf := WriteFile{
Path: "/tmp/foo",
Content: "bar",
Permissions: "pants",
}
dir, err := ioutil.TempDir(os.TempDir(), "coreos-cloudinit-")
if err != nil {
t.Fatalf("Unable to create tempdir: %v", err)
}
defer syscall.Rmdir(dir)
if err := ProcessWriteFile(dir, &wf); err == nil {
t.Fatalf("Expected error to be raised when writing file with invalid permission")
}
}
func TestPlaceNetworkUnit(t *testing.T) {
u := Unit{
Name: "50-eth0.network",
Runtime: true,
Content: `[Match]
Name=eth47
[Network]
Address=10.209.171.177/19
`,
}
dir, err := ioutil.TempDir(os.TempDir(), "coreos-cloudinit-")
if err != nil {
t.Fatalf("Unable to create tempdir: %v", err)
}
defer syscall.Rmdir(dir)
if _, err := PlaceUnit(dir, &u); err != nil {
t.Fatalf("PlaceUnit failed: %v", err)
}
fullPath := path.Join(dir, "run", "systemd", "network", "50-eth0.network")
fi, err := os.Stat(fullPath)
if err != nil {
t.Fatalf("Unable to stat file: %v", err)
}
if fi.Mode() != os.FileMode(0644) {
t.Errorf("File has incorrect mode: %v", fi.Mode())
}
contents, err := ioutil.ReadFile(fullPath)
if err != nil {
t.Fatalf("Unable to read expected file: %v", err)
}
expect := `[Match]
Name=eth47
[Network]
Address=10.209.171.177/19
`
if string(contents) != expect {
t.Fatalf("File has incorrect contents '%s'.\nExpected '%s'", string(contents), expect)
}
}
func (fs *FS) Mkdir(relPath string, mode uint32, context *fuse.Context) (code fuse.Status) {
if fs.isFiltered(relPath) {
return fuse.EPERM
}
encPath, err := fs.getBackingPath(relPath)
if err != nil {
return fuse.ToStatus(err)
}
if !fs.args.DirIV {
return fuse.ToStatus(os.Mkdir(encPath, os.FileMode(mode)))
}
// We need write and execute permissions to create gocryptfs.diriv
origMode := mode
mode = mode | 0300
// The new directory may take the place of an older one that is still in the cache
fs.CryptFS.DirIVCacheEnc.Clear()
// Create directory
fs.dirIVLock.Lock()
defer fs.dirIVLock.Unlock()
err = os.Mkdir(encPath, os.FileMode(mode))
if err != nil {
return fuse.ToStatus(err)
}
// Create gocryptfs.diriv inside
err = cryptfs.WriteDirIV(encPath)
if err != nil {
// This should not happen
cryptfs.Warn.Printf("Mkdir: WriteDirIV failed: %v", err)
err2 := syscall.Rmdir(encPath)
if err2 != nil {
cryptfs.Warn.Printf("Mkdir: Rmdir rollback failed: %v", err2)
}
return fuse.ToStatus(err)
}
// Set permissions back to what the user wanted
if origMode != mode {
err = os.Chmod(encPath, os.FileMode(origMode))
if err != nil {
cryptfs.Warn.Printf("Mkdir: Chmod failed: %v", err)
}
}
return fuse.OK
}
func TestWriteFileEncodedContent(t *testing.T) {
wf := WriteFile{
Path: "/tmp/foo",
Content: "",
Encoding: "base64",
}
dir, err := ioutil.TempDir(os.TempDir(), "coreos-cloudinit-")
if err != nil {
t.Fatalf("Unable to create tempdir: %v", err)
}
defer syscall.Rmdir(dir)
if err := ProcessWriteFile(dir, &wf); err == nil {
t.Fatalf("Expected error to be raised when writing file with encoding")
}
}
func TestWriteFileInvalidPermission(t *testing.T) {
dir, err := ioutil.TempDir(os.TempDir(), "coreos-cloudinit-")
if err != nil {
t.Fatalf("Unable to create tempdir: %v", err)
}
defer syscall.Rmdir(dir)
wf := File{
Path: path.Join(dir, "tmp", "foo"),
Content: "bar",
RawFilePermissions: "pants",
}
if err := WriteFile(&wf); err == nil {
t.Fatalf("Expected error to be raised when writing file with invalid permission")
}
}
func cmd_rmdir(cmd *interpreter.Interpreter) (interpreter.NextT, error) {
if len(cmd.Args) <= 1 {
fmt.Println("Usage: rmdir [/s] DIRECTORIES...")
return interpreter.CONTINUE, nil
}
s_option := false
message := "%s: Rmdir Are you sure? [Yes/No/Quit] "
for _, arg1 := range cmd.Args[1:] {
if arg1 == "/s" {
s_option = true
message = "%s : Delete Tree. Are you sure? [Yes/No/Quit] "
continue
}
fmt.Fprintf(cmd.Stderr, message, arg1)
ch := conio.GetCh()
fmt.Fprintf(cmd.Stderr, "%c ", ch)
switch ch {
case 'y', 'Y':
case 'q', 'Q':
fmt.Fprintln(cmd.Stderr, "-> canceled all")
return interpreter.CONTINUE, nil
default:
fmt.Fprintln(cmd.Stderr, "-> canceled")
continue
}
var err error
if s_option {
fmt.Fprintln(cmd.Stdout)
err = dos.Truncate(arg1, func(path string, err error) bool {
fmt.Fprintf(cmd.Stderr, "%s -> %s\n", path, err.Error())
return true
}, cmd.Stdout)
} else {
err = syscall.Rmdir(arg1)
}
if err != nil {
fmt.Fprintf(cmd.Stderr, "-> %s\n", err.Error())
} else {
fmt.Fprintln(cmd.Stderr, "-> done.")
}
}
return interpreter.CONTINUE, nil
}
func TestPlaceMountUnit(t *testing.T) {
u := Unit{
Name: "media-state.mount",
Runtime: false,
Content: `[Mount]
What=/dev/sdb1
Where=/media/state
`,
}
dir, err := ioutil.TempDir(os.TempDir(), "coreos-cloudinit-")
if err != nil {
t.Fatalf("Unable to create tempdir: %v", err)
}
defer syscall.Rmdir(dir)
if _, err := PlaceUnit(dir, &u); err != nil {
t.Fatalf("PlaceUnit failed: %v", err)
}
fullPath := path.Join(dir, "etc", "systemd", "system", "media-state.mount")
fi, err := os.Stat(fullPath)
if err != nil {
t.Fatalf("Unable to stat file: %v", err)
}
if fi.Mode() != os.FileMode(0644) {
t.Errorf("File has incorrect mode: %v", fi.Mode())
}
contents, err := ioutil.ReadFile(fullPath)
if err != nil {
t.Fatalf("Unable to read expected file: %v", err)
}
expect := `[Mount]
What=/dev/sdb1
Where=/media/state
`
if string(contents) != expect {
t.Fatalf("File has incorrect contents '%s'.\nExpected '%s'", string(contents), expect)
}
}
func Truncate(folder string, whenError func(string, error) bool, out io.Writer) error {
attr, attrErr := GetFileAttributes(folder)
if attrErr != nil {
return fmt.Errorf("%s: %s", folder, attrErr)
}
if (attr & FILE_ATTRIBUTE_REPARSE_POINT) == 0 {
// Only not junction, delete files under folder.
fd, fdErr := os.Open(folder)
if fdErr != nil {
return fdErr
}
fi, fiErr := fd.Readdir(-1)
fd.Close()
if fiErr != nil {
return fiErr
}
for _, f := range fi {
if f.Name() == "." || f.Name() == ".." {
continue
}
fullpath := Join(folder, f.Name())
var err error
if f.IsDir() {
fmt.Fprintf(out, "%s\\\n", fullpath)
err = Truncate(fullpath, whenError, out)
} else {
fmt.Fprintln(out, fullpath)
SetFileAttributes(fullpath, FILE_ATTRIBUTE_NORMAL)
err = syscall.Unlink(fullpath)
}
if err != nil {
if whenError != nil && !whenError(fullpath, err) {
return fmt.Errorf("%s: %s", fullpath, err.Error())
}
}
}
}
if err := syscall.Rmdir(folder); err != nil {
return fmt.Errorf("%s: %s", folder, err.Error())
}
return nil
}
func compile(prog parse.Program, outfile string) int {
tempdir, err := ioutil.TempDir("/tmp", "jikken")
if err != nil {
log.Println("could not create temporary directory:", err)
return 1
}
defer func() {
_ = syscall.Rmdir(tempdir)
}()
llfile := tempdir + "/jikken.ll"
if err = ioutil.WriteFile(llfile, llcode(prog), 0644); err != nil {
log.Println("could not write temporary file:", err)
return 1
}
defer func() {
_ = syscall.Unlink(llfile)
}()
sfile := tempdir + "/jikken.s"
defer func() {
_ = syscall.Unlink(sfile)
}()
llc := exec.Command("llc", llfile)
llc.Stdout = os.Stdout
llc.Stderr = os.Stderr
if err = llc.Run(); err != nil {
log.Println("llc failed:", err)
return 1
}
gcc := exec.Command("gcc", "-o", outfile, sfile)
gcc.Stdout = os.Stdout
gcc.Stderr = os.Stderr
if err = gcc.Run(); err != nil {
log.Println("gcc failed:", err)
return 1
}
return 0
}
func TestDetectRemote_NotFound(t *testing.T) {
dir, err := ioutil.TempDir("", "")
if err != nil {
t.Error("failed to create tempdir:", err)
}
defer syscall.Rmdir(dir)
remotes, err := DetectRemote(dir + "/not_found")
if remotes != nil {
t.Error("unexpected result:", remotes)
}
if err == nil {
t.Error("error should be set")
}
re := regexp.MustCompile(`^chdir `)
if re.MatchString(err.Error()) == false {
t.Error("unexpected error", err)
}
}
func (fs *FS) mkdirWithIv(cPath string, mode uint32) error {
// Between the creation of the directory and the creation of gocryptfs.diriv
// the directory is inconsistent. Take the lock to prevent other readers
// from seeing it.
fs.dirIVLock.Lock()
// The new directory may take the place of an older one that is still in the cache
fs.nameTransform.DirIVCache.Clear()
defer fs.dirIVLock.Unlock()
err := os.Mkdir(cPath, os.FileMode(mode))
if err != nil {
return err
}
// Create gocryptfs.diriv
err = nametransform.WriteDirIV(cPath)
if err != nil {
err2 := syscall.Rmdir(cPath)
if err2 != nil {
tlog.Warn.Printf("mkdirWithIv: rollback failed: %v", err2)
}
}
return err
}
func TestWriteFileUnencodedContent(t *testing.T) {
dir, err := ioutil.TempDir(os.TempDir(), "coreos-cloudinit-")
if err != nil {
t.Fatalf("Unable to create tempdir: %v", err)
}
defer syscall.Rmdir(dir)
fullPath := path.Join(dir, "tmp", "foo")
wf := File{
Path: fullPath,
Content: "bar",
RawFilePermissions: "0644",
}
if err := WriteFile(&wf); err != nil {
t.Fatalf("Processing of WriteFile failed: %v", err)
}
fi, err := os.Stat(fullPath)
if err != nil {
t.Fatalf("Unable to stat file: %v", err)
}
if fi.Mode() != os.FileMode(0644) {
t.Errorf("File has incorrect mode: %v", fi.Mode())
}
contents, err := ioutil.ReadFile(fullPath)
if err != nil {
t.Fatalf("Unable to read expected file: %v", err)
}
if string(contents) != "bar" {
t.Fatalf("File has incorrect contents")
}
}
// - [email protected]:username/repo.git func TestDetectRemoteForBitBucket(t *testing.T) { dir, err := ioutil.TempDir("", "") if err != nil { t.Error("failed to create tempdir:", err) } defer syscall.Rmdir(dir) git := exec.Command("git", "init") git.Dir = dir if err := git.Run(); err != nil { t.Error("failed to run git init:", err) } git = exec.Command("git", "remote", "add", "origin", "[email protected]:username/repo.git") git.Dir = dir if err := git.Run(); err != nil { t.Error("failed to run git remote add :", err) } remotes, err := DetectRemote(dir) if err != nil { t.Error("error should be nil:", err) } if len(remotes) < 1 { t.Error("unexpected remotes count") } if remotes[0].Name != "origin" { t.Error("unexpected remote name", remotes[0].Name) } if remotes[0].Url != "[email protected]:username/repo.git" { t.Error("unexpected remote url", remotes[0].Url) } }
func (constor *Constor) Rename(input *fuse.RenameIn, oldName string, newName string) (code fuse.Status) {
sendEntryNotify := false
var inodedel *Inode
oldParent := constor.inodemap.findInodePtr(input.NodeId)
if oldParent == nil {
constor.error("oldParent == nil")
return fuse.ENOENT
}
newParent := constor.inodemap.findInodePtr(input.Newdir)
if newParent == nil {
constor.error("newParent == nil")
return fuse.ENOENT
}
if err := constor.copyup(newParent); err != nil {
constor.error("copyup failed for %s - %s", newParent.id, err)
return fuse.EIO
}
newParentPath := constor.getPath(0, newParent.id)
newentrypath := Path.Join(newParentPath, newName)
constor.log("%s %s %s %s", oldParent.id, oldName, newParent.id, newName)
// remove any entry that existed in the newName's place
if iddel, err := constor.getid(-1, newParent.id, newName); err == nil {
if inodedel = constor.inodemap.findInodeId(iddel); inodedel != nil {
if inodedel.layer == 0 {
linkcnt, err := constor.declinkscnt(inodedel.id)
if err != nil {
constor.error("declinkscnt %s : %s", inodedel.id, err)
return fuse.ToStatus(err)
}
if linkcnt == 0 {
path := constor.getPath(0, iddel)
fi, err := os.Lstat(path)
if err != nil {
constor.error("Lstat failed on %s", path)
return fuse.ToStatus(err)
}
if fi.IsDir() {
// FIXME: take care of this situation
constor.error("path is a directory")
return fuse.Status(syscall.EEXIST)
}
if err := syscall.Unlink(path); err != nil {
constor.error("Unable to remove %s", path)
return fuse.ToStatus(err)
}
inodedel.layer = -1
}
}
stat := syscall.Stat_t{}
// FIXME do copyup and declinkscnt
if err := syscall.Lstat(newentrypath, &stat); err == nil {
fi, err := os.Lstat(newentrypath)
if err != nil {
constor.error("Lstat failed on %s", newentrypath)
return fuse.ToStatus(err)
}
if fi.IsDir() {
// FIXME: take care of this situation
constor.error("path is a directory")
return fuse.Status(syscall.EEXIST)
}
if err := syscall.Unlink(newentrypath); err != nil {
constor.error("Unable to remove %s", newentrypath)
return fuse.ToStatus(err)
}
}
// inodedel.parentPtr = input.Newdir
// inodedel.name = newName
sendEntryNotify = true
// constor.ms.DeleteNotify(input.Newdir, uint64(uintptr(unsafe.Pointer(inodedel))), newName)
// constor.ms.EntryNotify(input.Newdir, newName)
} else {
constor.error("inodedel == nil for %s %s", newParent.id, newName)
return fuse.EIO
}
}
// remove any deleted placeholder
if constor.isdeleted(newentrypath, nil) {
if err := syscall.Unlink(newentrypath); err != nil {
constor.error("Unlink %s : %s", newentrypath, err)
return fuse.ToStatus(err)
}
}
oldid, err := constor.getid(-1, oldParent.id, oldName)
if err != nil {
constor.error("getid error %s %s", oldParent.id, oldName)
return fuse.ToStatus(err)
}
oldinode := constor.inodemap.findInodeId(oldid)
if oldinode == nil {
constor.error("oldinode == nil for %s", oldid)
return fuse.ENOENT
}
path := constor.getPath(oldinode.layer, oldid)
fi, err := os.Lstat(path)
if err != nil {
constor.error("Lstat %s", path)
return fuse.ToStatus(err)
}
oldParentPath := constor.getPath(0, oldParent.id)
oldentrypath := Path.Join(oldParentPath, oldName)
oldstat := syscall.Stat_t{}
if err := syscall.Lstat(oldentrypath, &oldstat); err == nil {
if fi.IsDir() {
if err := syscall.Rmdir(oldentrypath); err != nil {
constor.error("Rmdir %s : %s", oldentrypath, err)
return fuse.ToStatus(err)
}
} else {
if err := syscall.Unlink(oldentrypath); err != nil {
constor.error("Unlink %s : %s", oldentrypath, err)
return fuse.ToStatus(err)
}
}
}
if _, err := constor.getid(-1, oldParent.id, oldName); err == nil {
constor.setdeleted(oldentrypath)
}
if fi.Mode()&os.ModeSymlink == os.ModeSymlink {
err = os.Symlink("placeholder", newentrypath)
if err != nil {
constor.error("Symlink %s : %s", newentrypath, err)
return fuse.ToStatus(err)
}
} else if fi.Mode()&os.ModeDir == os.ModeDir {
err := os.Mkdir(newentrypath, fi.Mode())
if err != nil {
constor.error("Mkdir %s : %s", newentrypath, err)
return fuse.ToStatus(err)
}
} else {
fd, err := syscall.Creat(newentrypath, uint32(fi.Mode()))
if err != nil {
constor.error("create %s : %s", newentrypath, err)
return fuse.ToStatus(err)
}
syscall.Close(fd)
}
id := constor.setid(newentrypath, oldid)
if id == "" {
constor.error("setid %s : %s", newentrypath, err)
return fuse.EIO
}
if sendEntryNotify {
go func() {
// FIXME: is this needed?
constor.ms.DeleteNotify(input.Newdir, uint64(uintptr(unsafe.Pointer(inodedel))), newName)
constor.ms.DeleteNotify(input.NodeId, uint64(uintptr(unsafe.Pointer(oldinode))), oldName)
}()
}
return fuse.OK
}
func (fs *KakigooriFileSystem) Rmdir(name string, context *fuse.Context) (code fuse.Status) {
fullPath := fs.GetPath(name)
go event.Notify(event.Rmdir, fullPath)
return fuse.ToStatus(syscall.Rmdir(fullPath))
}
// This test is inspired on xfstest, t_dir_offset2.c
func TestReaddirPlusSeek(t *testing.T) {
tc := NewTestCase(t)
defer tc.Cleanup()
var names []string
for i := 0; i < 20; i++ {
names = append(names, fmt.Sprintf("abcd%d", i))
}
for _, n := range names {
if err := os.MkdirAll(filepath.Join(tc.origSubdir, n), 0755); err != nil {
t.Fatalf("Mkdir failed: %v", err)
}
}
fd, err := syscall.Open(tc.mountSubdir, syscall.O_RDONLY, 0755)
if err != nil {
t.Fatalf("Open(%q): %v", tc.mountSubdir, err)
}
defer syscall.Close(int(fd))
// store offsets
type entryOff struct {
ino uint64
off int64
}
previous := map[int]entryOff{}
var bufdata [1024]byte
for {
buf := bufdata[:]
n, err := syscall.ReadDirent(fd, buf)
if err != nil {
t.Fatalf("ReadDirent: %v", err)
}
if n == 0 {
break
}
buf = buf[:n]
for _, d := range parseDirents(buf) {
if d.name == "." || d.name == ".." {
continue
}
i := len(previous)
previous[i] = entryOff{d.ino, d.off}
}
}
for i := len(previous) - 1; i >= 0; i-- {
var off int64
if i > 0 {
off = previous[i-1].off
}
if _, err := syscall.Seek(fd, off, 0); err != nil {
t.Fatalf("Seek %v", err)
}
buf := bufdata[:]
n, err := syscall.ReadDirent(fd, buf)
if err != nil {
t.Fatalf("readdir after seek %d: %v", i, err)
}
if n == 0 {
t.Fatalf("no dirent after seek to %d", i)
}
ds := parseDirents(buf[:n])
if ds[0].ino != previous[i].ino {
t.Errorf("got ino %d, want %d", ds[0].ino, previous[i].ino)
}
}
// Delete has a forget as side-effect: make sure we get the lookup counts correct.
for _, n := range names {
full := filepath.Join(tc.mountSubdir, n)
if err := syscall.Rmdir(full); err != nil {
t.Fatalf("Rmdir(%q): %v", n, err)
}
}
}
func (fs *LoopbackFileSystem) Rmdir(name string, context *Context) (code Status) {
return ToStatus(syscall.Rmdir(fs.GetPath(name)))
}
func (fs *FS) Rmdir(name string, context *fuse.Context) (code fuse.Status) {
encPath, err := fs.getBackingPath(name)
if err != nil {
return fuse.ToStatus(err)
}
if !fs.args.DirIV {
return fuse.ToStatus(syscall.Rmdir(encPath))
}
// If the directory is not empty besides gocryptfs.diriv, do not even
// attempt the dance around gocryptfs.diriv.
fd, err := os.Open(encPath)
if perr, ok := err.(*os.PathError); ok && perr.Err == syscall.EACCES {
// We need permission to read and modify the directory
cryptfs.Debug.Printf("Rmdir: handling EACCESS")
fi, err2 := os.Stat(encPath)
if err2 != nil {
cryptfs.Debug.Printf("Rmdir: Stat: %v", err2)
return fuse.ToStatus(err2)
}
origMode := fi.Mode()
newMode := origMode | 0700
err2 = os.Chmod(encPath, newMode)
if err2 != nil {
cryptfs.Debug.Printf("Rmdir: Chmod failed: %v", err2)
return fuse.ToStatus(err)
}
defer func() {
if code != fuse.OK {
// Undo the chmod if removing the directory failed
err3 := os.Chmod(encPath, origMode)
if err3 != nil {
cryptfs.Warn.Printf("Rmdir: Chmod rollback failed: %v", err2)
}
}
}()
// Retry open
fd, err = os.Open(encPath)
}
if err != nil {
cryptfs.Debug.Printf("Rmdir: Open: %v", err)
return fuse.ToStatus(err)
}
list, err := fd.Readdirnames(10)
fd.Close()
if err != nil {
cryptfs.Debug.Printf("Rmdir: Readdirnames: %v", err)
return fuse.ToStatus(err)
}
if len(list) > 1 {
return fuse.ToStatus(syscall.ENOTEMPTY)
} else if len(list) == 0 {
cryptfs.Warn.Printf("Rmdir: gocryptfs.diriv missing, allowing deletion")
return fuse.ToStatus(syscall.Rmdir(encPath))
}
// Move "gocryptfs.diriv" to the parent dir as "gocryptfs.diriv.rmdir.XYZ"
dirivPath := filepath.Join(encPath, cryptfs.DIRIV_FILENAME)
parentDir := filepath.Dir(encPath)
tmpName := fmt.Sprintf("gocryptfs.diriv.rmdir.%d", cryptfs.RandUint64())
tmpDirivPath := filepath.Join(parentDir, tmpName)
cryptfs.Debug.Printf("Rmdir: Renaming %s to %s", cryptfs.DIRIV_FILENAME, tmpDirivPath)
// The directory is in an inconsistent state between rename and rmdir. Protect against
// concurrent readers.
fs.dirIVLock.Lock()
defer fs.dirIVLock.Unlock()
err = os.Rename(dirivPath, tmpDirivPath)
if err != nil {
cryptfs.Warn.Printf("Rmdir: Renaming %s to %s failed: %v", cryptfs.DIRIV_FILENAME, tmpDirivPath, err)
return fuse.ToStatus(err)
}
// Actual Rmdir
err = syscall.Rmdir(encPath)
if err != nil {
// This can happen if another file in the directory was created in the
// meantime, undo the rename
err2 := os.Rename(tmpDirivPath, dirivPath)
if err2 != nil {
cryptfs.Warn.Printf("Rmdir: Rename rollback failed: %v", err2)
}
return fuse.ToStatus(err)
}
// Delete "gocryptfs.diriv.rmdir.INODENUMBER"
err = syscall.Unlink(tmpDirivPath)
if err != nil {
cryptfs.Warn.Printf("Rmdir: Could not clean up %s: %v", tmpName, err)
}
// The now-deleted directory may have been in the DirIV cache. Clear it.
fs.CryptFS.DirIVCacheEnc.Clear()
return fuse.OK
}
func (me *LoopbackFileSystem) Rmdir(name string) (code Status) {
return Status(syscall.Rmdir(me.GetPath(name)))
}
func (fs *loopbackFileSystem) Rmdir(name string, context *fuse.Context) (code fuse.Status) {
return fuse.ToStatus(syscall.Rmdir(fs.GetPath(name)))
}
// Rmdir implements pathfs.FileSystem
func (fs *FS) Rmdir(path string, context *fuse.Context) (code fuse.Status) {
cPath, err := fs.getBackingPath(path)
if err != nil {
return fuse.ToStatus(err)
}
if fs.args.PlaintextNames {
err = syscall.Rmdir(cPath)
return fuse.ToStatus(err)
}
parentDir := filepath.Dir(cPath)
parentDirFd, err := os.Open(parentDir)
if err != nil {
return fuse.ToStatus(err)
}
defer parentDirFd.Close()
cName := filepath.Base(cPath)
dirfdRaw, err := syscallcompat.Openat(int(parentDirFd.Fd()), cName,
syscall.O_RDONLY, 0)
if err == syscall.EACCES {
// We need permission to read and modify the directory
tlog.Debug.Printf("Rmdir: handling EACCESS")
// TODO use syscall.Fstatat once it is available in Go
var fi os.FileInfo
fi, err = os.Lstat(cPath)
if err != nil {
tlog.Debug.Printf("Rmdir: Stat: %v", err)
return fuse.ToStatus(err)
}
origMode := fi.Mode()
// TODO use syscall.Chmodat once it is available in Go
err = os.Chmod(cPath, origMode|0700)
if err != nil {
tlog.Debug.Printf("Rmdir: Chmod failed: %v", err)
return fuse.ToStatus(err)
}
// Retry open
var st syscall.Stat_t
syscall.Lstat(cPath, &st)
dirfdRaw, err = syscallcompat.Openat(int(parentDirFd.Fd()), cName,
syscall.O_RDONLY, 0)
// Undo the chmod if removing the directory failed
defer func() {
if code != fuse.OK {
err = os.Chmod(cPath, origMode)
if err != nil {
tlog.Warn.Printf("Rmdir: Chmod rollback failed: %v", err)
}
}
}()
}
if err != nil {
tlog.Debug.Printf("Rmdir: Open: %v", err)
return fuse.ToStatus(err)
}
dirfd := os.NewFile(uintptr(dirfdRaw), cName)
defer dirfd.Close()
children, err := dirfd.Readdirnames(10)
if err == nil {
// If the directory is not empty besides gocryptfs.diriv, do not even
// attempt the dance around gocryptfs.diriv.
if len(children) > 1 {
return fuse.ToStatus(syscall.ENOTEMPTY)
}
// Move "gocryptfs.diriv" to the parent dir as "gocryptfs.diriv.rmdir.XYZ"
tmpName := fmt.Sprintf("gocryptfs.diriv.rmdir.%d", cryptocore.RandUint64())
tlog.Debug.Printf("Rmdir: Renaming %s to %s", nametransform.DirIVFilename, tmpName)
// The directory is in an inconsistent state between rename and rmdir.
// Protect against concurrent readers.
fs.dirIVLock.Lock()
defer fs.dirIVLock.Unlock()
err = syscallcompat.Renameat(int(dirfd.Fd()), nametransform.DirIVFilename,
int(parentDirFd.Fd()), tmpName)
if err != nil {
tlog.Warn.Printf("Rmdir: Renaming %s to %s failed: %v",
nametransform.DirIVFilename, tmpName, err)
return fuse.ToStatus(err)
}
// Actual Rmdir
// TODO Use syscall.Unlinkat with the AT_REMOVEDIR flag once it is available
// in Go
err = syscall.Rmdir(cPath)
if err != nil {
// This can happen if another file in the directory was created in the
// meantime, undo the rename
err2 := syscallcompat.Renameat(int(parentDirFd.Fd()), tmpName,
int(dirfd.Fd()), nametransform.DirIVFilename)
if err != nil {
tlog.Warn.Printf("Rmdir: Rename rollback failed: %v", err2)
}
return fuse.ToStatus(err)
}
// Delete "gocryptfs.diriv.rmdir.XYZ"
err = syscallcompat.Unlinkat(int(parentDirFd.Fd()), tmpName)
if err != nil {
tlog.Warn.Printf("Rmdir: Could not clean up %s: %v", tmpName, err)
}
} else if err == io.EOF {
// The directory is empty
tlog.Warn.Printf("Rmdir: %q: gocryptfs.diriv is missing", cPath)
err = syscall.Rmdir(cPath)
if err != nil {
return fuse.ToStatus(err)
}
} else {
tlog.Warn.Printf("Rmdir: Readdirnames: %v", err)
return fuse.ToStatus(err)
}
// Delete .name file
if nametransform.IsLongContent(cName) {
nametransform.DeleteLongName(parentDirFd, cName)
}
// The now-deleted directory may have been in the DirIV cache. Clear it.
fs.nameTransform.DirIVCache.Clear()
return fuse.OK
}
