Example #1
0
func TestLink(t *testing.T) {
	ino := maggiefs.NewInode(0, maggiefs.FTYPE_REG, 0755, uint32(os.Getuid()), uint32(os.Getgid()))
	id, err := testCluster.Names.AddInode(ino)
	if err != nil {
		panic(err)
	}
	ino.Inodeid = id

	ino2 := maggiefs.NewInode(0, maggiefs.FTYPE_REG, 0755, uint32(os.Getuid()), uint32(os.Getgid()))
	id, err = testCluster.Names.AddInode(ino)
	if err != nil {
		panic(err)
	}
	ino2.Inodeid = id

	// test normal link
	fmt.Println("linking")
	err = testCluster.Names.Link(ino.Inodeid, ino2.Inodeid, "name", true)
	if err != nil {
		panic(err)
	}
	ino, err = testCluster.Names.GetInode(ino.Inodeid)
	if err != nil {
		panic(err)
	}
	if ino.Children["name"].Inodeid != ino2.Inodeid {
		t.Fatalf("Didn't link properly!")
	}
	// test an unforced attempt to overwrite

	// test overwriting forced

}
Example #2
0
// Attr returns the attributes of a given node.
func (s *Node) Attr(ctx context.Context, a *fuse.Attr) error {
	log.Debug("Node attr")
	if s.cached == nil {
		if err := s.loadData(); err != nil {
			return fmt.Errorf("readonly: loadData() failed: %s", err)
		}
	}
	switch s.cached.GetType() {
	case ftpb.Data_Directory:
		a.Mode = os.ModeDir | 0555
		a.Uid = uint32(os.Getuid())
		a.Gid = uint32(os.Getgid())
	case ftpb.Data_File:
		size := s.cached.GetFilesize()
		a.Mode = 0444
		a.Size = uint64(size)
		a.Blocks = uint64(len(s.Nd.Links))
		a.Uid = uint32(os.Getuid())
		a.Gid = uint32(os.Getgid())
	case ftpb.Data_Raw:
		a.Mode = 0444
		a.Size = uint64(len(s.cached.GetData()))
		a.Blocks = uint64(len(s.Nd.Links))
		a.Uid = uint32(os.Getuid())
		a.Gid = uint32(os.Getgid())
	case ftpb.Data_Symlink:
		a.Mode = 0777 | os.ModeSymlink
		a.Size = uint64(len(s.cached.GetData()))
		a.Uid = uint32(os.Getuid())
		a.Gid = uint32(os.Getgid())
	default:
		return fmt.Errorf("Invalid data type - %s", s.cached.GetType())
	}
	return nil
}
Example #3
0
// Test running 'ls -l' with a symlink 'b' pointing to a file 'a'
func Test_l_File_Link2(t *testing.T) {
	setup_test_dir("l_File_Link2")

	time_now := time.Now()
	size := 13
	path := "a"
	_mkfile2(path, 0600, os.Getuid(), os.Getgid(), size, time_now)

	_mklink(path, "b")

	var output_buffer bytes.Buffer
	args := []string{"-l", "--nocolor"}
	ls_err := ls(&output_buffer, args, tw)

	output := clean_output_buffer(output_buffer)

	// remove the permissions string from each file listing
	output_line_split := strings.Split(output, "\n")
	output_noperms := ""
	for _, l := range output_line_split {
		output_line_split_noperms := strings.Split(l, " ")[1:]
		output_line_noperms := strings.Join(output_line_split_noperms, " ")
		if len(output_noperms) == 0 {
			output_noperms = output_line_noperms
		} else {
			output_noperms = output_noperms + "\n" + output_line_noperms
		}
	}

	var owner string
	owner_lookup, err := user.LookupId(fmt.Sprintf("%d", os.Getuid()))
	if err != nil {
		owner = user_map[int(os.Getuid())]
	} else {
		owner = owner_lookup.Username
	}

	group := group_map[os.Getgid()]

	expected := fmt.Sprintf(
		"1 %s %s %d %s %02d %02d:%02d a\n1 %s %s 1 %s %02d %02d:%02d b -> %s",
		owner,
		group,
		size,
		time_now.Month().String()[0:3],
		time_now.Day(),
		time_now.Hour(),
		time_now.Minute(),
		owner,
		group,
		time_now.Month().String()[0:3],
		time_now.Day(),
		time_now.Hour(),
		time_now.Minute(),
		path)

	check_output(t, output_noperms, expected)
	check_error_nil(t, ls_err)
}
Example #4
0
// Test LS_COLORS with an orphan link
func Test_LS_COLORS_orphan_link(t *testing.T) {
	setup_test_dir("LS_COLORS_orphan_link")

	time_now := time.Now()

	_mkfile2("a", 0600, os.Getuid(), os.Getgid(), 8, time_now)
	_mklink("a", "b")
	_rm("a")

	os.Setenv("LS_COLORS", default_LS_COLORS)

	var output_buffer bytes.Buffer
	args := []string{"-l"}
	ls_err := ls(&output_buffer, args, tw)

	output := clean_output_buffer(output_buffer)
	// remove the permissions string from the output
	output_noperms := strings.Join(strings.Split(output, " ")[1:], " ")

	var owner string
	owner_lookup, err := user.LookupId(fmt.Sprintf("%d", os.Getuid()))
	if err != nil {
		owner = user_map[int(os.Getuid())]
	} else {
		owner = owner_lookup.Username
	}

	group := group_map[os.Getgid()]

	// link info
	link_info, err := os.Lstat("b")
	if err != nil {
		t.Fatalf("error checking the symlink")
	}

	expected := fmt.Sprintf("1 %s %s %d %s %02d %02d:%02d %sb%s -> %sa%s",
		owner,
		group,
		link_info.Size(),
		time_now.Month().String()[0:3],
		time_now.Day(),
		time_now.Hour(),
		time_now.Minute(),
		"\x1b[40;31;01m",
		"\x1b[0m",
		"\x1b[01;05;37;41m",
		"\x1b[0m")

	check_output(t, output_noperms, expected)
	check_error_nil(t, ls_err)
}
Example #5
0
func (this *mapbe) DirMeta() (Meta, error) {
	return Meta{
		Perm: 0755,
		Uid:  uint32(os.Getuid()),
		Gid:  uint32(os.Getgid()),
	}, nil
}
Example #6
0
// Attr returns the attributes of a given node.
func (d *Directory) Attr(ctx context.Context, a *fuse.Attr) error {
	log.Debug("Directory Attr")
	a.Mode = os.ModeDir | 0555
	a.Uid = uint32(os.Getuid())
	a.Gid = uint32(os.Getgid())
	return nil
}
Example #7
0
func (n *mutFile) Attr() fuse.Attr {
	// TODO: don't grab n.mu three+ times in here.
	var mode os.FileMode = 0600 // writable

	n.mu.Lock()
	size := n.size
	var blocks uint64
	if size > 0 {
		blocks = uint64(size)/512 + 1
	}
	inode := n.permanode.Sum64()
	if n.symLink {
		mode |= os.ModeSymlink
	}
	n.mu.Unlock()

	return fuse.Attr{
		Inode:  inode,
		Mode:   mode,
		Uid:    uint32(os.Getuid()),
		Gid:    uint32(os.Getgid()),
		Size:   uint64(size),
		Blocks: blocks,
		Mtime:  n.modTime(),
		Atime:  n.accessTime(),
		Ctime:  serverStart,
		Crtime: serverStart,
	}
}
Example #8
0
// populateAttr should only be called once n.ss is known to be set and
// non-nil
func (n *node) populateAttr() error {
	ss := n.ss

	n.attr.Mode = ss.FileMode()

	if n.fs.IgnoreOwners {
		n.attr.Uid = uint32(os.Getuid())
		n.attr.Gid = uint32(os.Getgid())
		executeBit := n.attr.Mode & 0100
		n.attr.Mode = (n.attr.Mode ^ n.attr.Mode.Perm()) & 0400 & executeBit
	} else {
		n.attr.Uid = uint32(ss.MapUid())
		n.attr.Gid = uint32(ss.MapGid())
	}

	// TODO: inode?

	n.attr.Mtime = ss.ModTime()

	switch ss.Type {
	case "file":
		n.attr.Size = ss.SumPartsSize()
		n.attr.Blocks = 0 // TODO: set?
	case "directory":
		// Nothing special? Just prevent default case.
	case "symlink":
		// Nothing special? Just prevent default case.
	default:
		log.Printf("unknown attr ss.Type %q in populateAttr", ss.Type)
	}
	return nil
}
Example #9
0
func newTestTar(entries []*testTarEntry, dir string) (string, error) {
	t, err := ioutil.TempFile(dir, "tar")
	if err != nil {
		return "", err
	}
	defer t.Close()
	tw := tar.NewWriter(t)
	for _, entry := range entries {
		// Add default mode
		if entry.header.Mode == 0 {
			if entry.header.Typeflag == tar.TypeDir {
				entry.header.Mode = 0755
			} else {
				entry.header.Mode = 0644
			}
		}
		// Add calling user uid and gid or tests will fail
		entry.header.Uid = os.Getuid()
		entry.header.Gid = os.Getgid()
		if err := tw.WriteHeader(entry.header); err != nil {
			return "", err
		}
		if _, err := io.WriteString(tw, entry.contents); err != nil {
			return "", err
		}
	}
	if err := tw.Close(); err != nil {
		return "", err
	}
	return t.Name(), nil
}
Example #10
0
func TestNewFileCreation(t *testing.T) {
	Convey("Given a file path", t, func() {
		fname := filepath.Join(os.TempDir(), "__test_filepath")

		Convey("It should create an empty file", func() {
			err := file.New(fname)
			So(err, ShouldBeNil)
			defer os.Remove(fname)

			_, err = os.Stat(fname)
			So(err, ShouldBeNil)
		})

		Convey("With optional argument Contents", func() {
			c := "This is a file with text in it.\n"
			Convey("It should create a new file with the given contents", func() {
				err := file.New(fname, file.Contents(c))
				So(err, ShouldBeNil)
				defer os.Remove(fname)

				out, err := ioutil.ReadFile(fname)

				So(err, ShouldBeNil)
				So(string(out), ShouldEqual, c)
			})
		})

		Convey("With optional argument Permissions", func() {
			p := os.FileMode(0700)

			Convey("It should create a new file with the same permissions", func() {
				err := file.New(fname, file.Permissions(p))
				So(err, ShouldBeNil)
				defer os.Remove(fname)
				fi, err := os.Lstat(fname)

				So(err, ShouldBeNil)
				So(fi.Mode(), ShouldEqual, p)
			})
		})

		Convey("With optional argument User ID and/or Group ID", func() {
			userID, groupID := os.Getuid(), os.Getgid()

			Convey("It should create a new file belonging to given IDs", func() {
				err := file.New(fname, file.UID(userID), file.GID(groupID))
				So(err, ShouldBeNil)
				defer os.Remove(fname)
				fi, err := os.Lstat(fname)
				So(err, ShouldBeNil)

				uid := fi.Sys().(*syscall.Stat_t).Uid
				So(uid, ShouldEqual, userID)

				gid := fi.Sys().(*syscall.Stat_t).Gid
				So(gid, ShouldEqual, groupID)
			})
		})
	})
}
Example #11
0
func changePermissions(path string) error {
	var uid, gid int
	var err error

	suid := os.Getenv("SUDO_UID")
	if suid != "" {
		uid, err = strconv.Atoi(suid)
		if err != nil {
			return err
		}
	} else {
		uid = os.Getuid()
	}

	sgid := os.Getenv("SUDO_GID")
	if sgid != "" {
		gid, err = strconv.Atoi(sgid)
		if err != nil {
			return err
		}
	} else {
		gid = os.Getgid()
	}

	return os.Chown(path, uid, gid)
}
Example #12
0
func (n *rootsDir) Attr() fuse.Attr {
	return fuse.Attr{
		Mode: os.ModeDir | n.dirMode(),
		Uid:  uint32(os.Getuid()),
		Gid:  uint32(os.Getgid()),
	}
}
Example #13
0
func main() {
	runtime.GOMAXPROCS(runtime.NumCPU())

	listener, err := reuseport.NewReusablePortListener("tcp4", "localhost:8881")
	if err != nil {
		panic(err)

	}
	defer listener.Close()

	server := &http.Server{}
	http.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {
		fmt.Println(os.Getgid())
		go func() {
			cmd := exec.Command("./server")
			cmd.Start()
			log.Println("-------start")
			time.Sleep(18 * time.Second)
			log.Println("-------end")
			cmd.Process.Kill()
			cmd.Wait()
		}()
		fmt.Fprintf(w, "Hello, %q\n", html.EscapeString(r.URL.Path))
	})

	panic(server.Serve(listener))

}
Example #14
0
File: dir.go Project: fawick/restic
func newDirFromSnapshot(repo *repository.Repository, snapshot SnapshotWithId, ownerIsRoot bool) (*dir, error) {
	tree, err := restic.LoadTree(repo, *snapshot.Tree)
	if err != nil {
		return nil, err
	}
	items := make(map[string]*restic.Node)
	for _, n := range tree.Nodes {
		nodes, err := replaceSpecialNodes(repo, n)
		if err != nil {
			return nil, err
		}

		for _, node := range nodes {
			items[node.Name] = node
		}
	}

	return &dir{
		repo: repo,
		node: &restic.Node{
			UID:        uint32(os.Getuid()),
			GID:        uint32(os.Getgid()),
			AccessTime: snapshot.Time,
			ModTime:    snapshot.Time,
			ChangeTime: snapshot.Time,
			Mode:       os.ModeDir | 0555,
		},
		items:       items,
		inode:       inodeFromBackendId(snapshot.ID),
		ownerIsRoot: ownerIsRoot,
	}, nil
}
Example #15
0
File: xdg.go Project: goulash/xdg
func OpenRuntime(file string, flag int) (*os.File, error) {
	// TODO: Make sure that the runtime directory is only readable by the user.
	_, err := os.Stat(RuntimeDir)
	if err != nil {
		if os.IsNotExist(err) {
			err = os.MkdirAll(RuntimeDir, os.ModeDir|0700)
			if err != nil {
				return nil, err
			}
			_, err = os.Stat(RuntimeDir)
			if err != nil {
				// This really should never happen, but you never know!
				return nil, err
			}
		} else {
			return nil, err
		}
	}

	err = os.Chown(RuntimeDir, os.Getuid(), os.Getgid())
	if err != nil {
		return nil, err
	}

	return open(UserRuntime(file), flag)
}
Example #16
0
func (n *root) Attr() fuse.Attr {
	return fuse.Attr{
		Mode: os.ModeDir | 0755,
		Uid:  uint32(os.Getuid()),
		Gid:  uint32(os.Getgid()),
	}
}
Example #17
0
func CurrentProcessInfo() *ProcessInfo {
	var hasTty bool
	cwd, _ := os.Getwd()
	grp, _ := os.Getgroups()
	// no syscall.Getsid() wrapper on Linux?
	sid, _, _ := syscall.RawSyscall(syscall.SYS_GETSID, 0, 0, 0)

	if fh, err := os.Open("/dev/tty"); err == nil {
		hasTty = true
		fh.Close()
	}

	return &ProcessInfo{
		Ppid:   os.Getppid(),
		Pid:    os.Getpid(),
		Uid:    os.Getuid(),
		Euid:   os.Geteuid(),
		Gid:    os.Getgid(),
		Egid:   os.Getegid(),
		Pgrp:   syscall.Getpgrp(),
		Sid:    int(sid),
		Dir:    cwd,
		Groups: grp,
		Args:   os.Args,
		Env:    os.Environ(),
		HasTty: hasTty,
	}
}
Example #18
0
func (statsDir) Attr() fuse.Attr {
	return fuse.Attr{
		Mode: os.ModeDir | 0700,
		Uid:  uint32(os.Getuid()),
		Gid:  uint32(os.Getgid()),
	}
}
Example #19
0
func (t *unixTransport) Auth() error {
	cred := syscall.UnixCredentials(&syscall.Ucred{
		Pid: int32(os.Getpid()),
		Uid: uint32(os.Getuid()),
		Gid: uint32(os.Getgid()),
	})
	_, _, err := t.WriteMsgUnix([]byte{0}, cred, nil)
	if err != nil {
		return err
	}

	if _, err := fmt.Fprintf(t, "AUTH EXTERNAL %x\r\n", fmt.Sprintf("%d", os.Getuid())); err != nil {
		return err
	}

	var code, cookie string
	if _, err := fmt.Fscanln(t, &code, &cookie); err != nil {
		return err
	}

	fmt.Println(code, cookie)

	if _, err := fmt.Fprintf(t, "BEGIN\r\n"); err != nil {
		return err
	}
	return nil
}
Example #20
0
func newStore(t *testing.T) storage.Store {
	wd, err := ioutil.TempDir(topwd, "test.")
	if err != nil {
		t.Fatal(err)
	}
	err = os.MkdirAll(wd, 0700)
	if err != nil {
		t.Fatal(err)
	}
	run := filepath.Join(wd, "run")
	root := filepath.Join(wd, "root")
	uidmap := []idtools.IDMap{{
		ContainerID: 0,
		HostID:      os.Getuid(),
		Size:        1,
	}}
	gidmap := []idtools.IDMap{{
		ContainerID: 0,
		HostID:      os.Getgid(),
		Size:        1,
	}}
	store, err := storage.GetStore(storage.StoreOptions{
		RunRoot:            run,
		GraphRoot:          root,
		GraphDriverName:    "vfs",
		GraphDriverOptions: []string{},
		UIDMap:             uidmap,
		GIDMap:             gidmap,
	})
	if err != nil {
		t.Fatal(err)
	}
	Transport.SetStore(store)
	return store
}
Example #21
0
func (notImplementDirNode) Attr() fuse.Attr {
	return fuse.Attr{
		Mode: os.ModeDir | 0000,
		Uid:  uint32(os.Getuid()),
		Gid:  uint32(os.Getgid()),
	}
}
Example #22
0
func TestEmptyCredGroupsDisableSetgroups(t *testing.T) {
	cmd := whoamiCmd(t, os.Getuid(), os.Getgid(), false)
	cmd.SysProcAttr.Credential = &syscall.Credential{}
	if err := cmd.Run(); err != nil {
		t.Fatal(err)
	}
}
Example #23
0
func TestOwner(t *testing.T) {
	uid := os.Getuid()
	gid := os.Getgid()

	f, err := ioutil.TempFile("./", "")
	if err != nil {
		t.Error(err)
	}
	name := f.Name()

	owner, group, err := Owner(name)
	if err != nil {
		t.Error(err)
	}

	if owner != uid {
		t.Fail()
	}
	if group != gid {
		t.Fail()
	}

	if err := f.Close(); err != nil {
		t.Error(err)
	}
	if err != os.Remove(name) {
		t.Error(err)
	}
}
func statusHandler(w http.ResponseWriter, r *http.Request) {
	w.Header().Set("Content-Type", "text/plain")
	fmt.Fprintf(w, "pid=%d\n", os.Getpid())
	cwd, _ := os.Getwd()
	fmt.Fprintf(w, "cwd=%s\n", cwd)
	fmt.Fprintf(w, "uid=%d\n", os.Getuid())
	fmt.Fprintf(w, "euid=%d\n", os.Geteuid())
	fmt.Fprintf(w, "gid=%d\n", os.Getgid())

	groups, gerr := exec.Command("groups").CombinedOutput()
	if gerr != nil {
		fmt.Fprintf(w, "groups_err=%q\n", gerr)
	} else {
		fmt.Fprintf(w, "groups=%s\n", strings.TrimSpace(string(groups)))
	}

	ulimitN, _ := exec.Command("ulimit", "-n").Output()
	fmt.Fprintf(w, "ulimit_nofiles=%s\n", strings.TrimSpace(string(ulimitN)))

	env := os.Environ()
	sort.Strings(env)
	for _, env := range env {
		fmt.Fprintf(w, "%s\n", env)
	}
}
Example #25
0
func (n *roFile) Attr(ctx context.Context, a *fuse.Attr) error {
	// TODO: don't grab n.mu three+ times in here.
	var mode os.FileMode = 0400 // read-only

	n.mu.Lock()
	size := n.size
	var blocks uint64
	if size > 0 {
		blocks = uint64(size)/512 + 1
	}
	inode := n.permanode.Sum64()
	if n.symLink {
		mode |= os.ModeSymlink
	}
	n.mu.Unlock()

	*a = fuse.Attr{
		Inode:  inode,
		Mode:   mode,
		Uid:    uint32(os.Getuid()),
		Gid:    uint32(os.Getgid()),
		Size:   uint64(size),
		Blocks: blocks,
		Mtime:  n.modTime(),
		Atime:  n.accessTime(),
		Ctime:  serverStart,
		Crtime: serverStart,
	}
	return nil
}
Example #26
0
func (n *mutFile) Attr() fuse.Attr {
	// TODO: don't grab n.mu three+ times in here.

	n.mu.Lock()
	size := n.size
	var blocks uint64
	if size > 0 {
		blocks = uint64(size)/512 + 1
	}
	inode := n.permanode.AsUint64()
	n.mu.Unlock()

	return fuse.Attr{
		Inode:  inode,
		Mode:   0600, // writable!
		Uid:    uint32(os.Getuid()),
		Gid:    uint32(os.Getgid()),
		Size:   uint64(size),
		Blocks: blocks,
		Mtime:  n.modTime(),
		Atime:  n.accessTime(),
		Ctime:  serverStart,
		Crtime: serverStart,
	}
}
Example #27
0
func main() {
	// 获取系统名字
	fmt.Println(os.Hostname())
	// 获取系统内存
	fmt.Println(os.Getpagesize())
	// 获取系统环境变量
	for index, env := range os.Environ() {
		fmt.Println(index, " : ", env)
	}
	// 获取指定key的环境变量,环境变量不区分大小写
	fmt.Println("当前系统目录为:", os.Getenv("windir"))
	// 设置环境变量
	fmt.Println("cody的环境变量为:", os.Getenv("cody"))
	os.Setenv("Cody", "guo")
	fmt.Println("cody的环境变量为:", os.Getenv("cody"))
	// 删除所有环境变量
	os.Clearenv()
	fmt.Println(os.Environ())

	// 如果存在os.Exit()就不会执行defer
	// defer fmt.Println("我在退出吗?")
	// os.Exit(0)
	fmt.Println("程序已退出,不打印了...")

	fmt.Println(os.Getuid(), os.Getgid())
	fmt.Println(os.Getgroups())
	fmt.Println(os.Getpid(), os.Getppid())

	fmt.Println(os.TempDir())

}
Example #28
0
func New(filepath string, setters ...argument) error {
	// Default arguments
	args := &arguments{
		UID:         os.Getuid(),
		GID:         os.Getgid(),
		Contents:    "",
		Permissions: 0666,
		Flags:       os.O_CREATE | os.O_EXCL | os.O_WRONLY,
	}

	for _, setter := range setters {
		setter(args)
	}

	f, err := os.OpenFile(filepath, args.Flags, args.Permissions)
	if err != nil {
		return err
	} else {
		defer f.Close()
	}

	if _, err := f.WriteString(args.Contents); err != nil {
		return err
	}

	return f.Chown(args.UID, args.GID)
}
Example #29
0
func (n *atDir) Attr() fuse.Attr {
	return fuse.Attr{
		Mode: os.ModeDir | 0500,
		Uid:  uint32(os.Getuid()),
		Gid:  uint32(os.Getgid()),
	}
}
Example #30
0
File: fdb.go Project: hlandau/acme
// Returns the UID and GID to enforce. If the UID or GID is -1, it is not
// to be enforced. Neither or both or either of the UID or GID may be -1.
func resolveUIDGID(p *Permission) (uid, gid int, err error) {
	if p.UID == "$r" {
		uid = os.Getuid()
	} else if p.UID != "" {
		uid, err = passwd.ParseUID(p.UID)
		if err != nil {
			return
		}
	} else {
		uid = -1
	}

	if p.GID == "$r" {
		gid = os.Getgid()
	} else if p.GID != "" {
		gid, err = passwd.ParseGID(p.GID)
		if err != nil {
			return
		}
	} else {
		gid = -1
	}

	return
}