Exemple #1
0
func containerFilePut(c container, path string, r *http.Request) Response {
	// Extract file ownership and mode from headers
	uid, gid, mode := shared.ParseLXDFileHeaders(r.Header)

	// Write file content to a tempfile
	temp, err := ioutil.TempFile("", "lxd_forkputfile_")
	if err != nil {
		return InternalError(err)
	}
	defer func() {
		temp.Close()
		os.Remove(temp.Name())
	}()

	_, err = io.Copy(temp, r.Body)
	if err != nil {
		return InternalError(err)
	}

	// Transfer the file into the container
	err = c.FilePush(temp.Name(), path, uid, gid, mode)
	if err != nil {
		return InternalError(err)
	}

	return EmptySyncResponse
}
Exemple #2
0
func (c *Client) PullFile(container string, p string) (int, int, os.FileMode, io.ReadCloser, error) {
	uri := c.url(shared.APIVersion, "containers", container, "files")
	query := url.Values{"path": []string{p}}

	r, err := c.getRaw(uri + "?" + query.Encode())
	if err != nil {
		return 0, 0, 0, nil, err
	}

	uid, gid, mode := shared.ParseLXDFileHeaders(r.Header)

	return uid, gid, mode, r.Body, nil
}
Exemple #3
0
func containerFilePut(pid int, r *http.Request, p string, idmapset *shared.IdmapSet) Response {

	uid, gid, mode, err := shared.ParseLXDFileHeaders(r.Header)
	if err != nil {
		return BadRequest(err)
	}
	uid, gid = idmapset.ShiftIntoNs(uid, gid)
	if uid == -1 || gid == -1 {
		return BadRequest(fmt.Errorf("unmapped uid or gid specified"))
	}

	temp, err := ioutil.TempFile("", "lxd_forkputfile_")
	if err != nil {
		return InternalError(err)
	}
	defer func() {
		temp.Close()
		os.Remove(temp.Name())
	}()

	_, err = io.Copy(temp, r.Body)
	if err != nil {
		return InternalError(err)
	}

	cmd := exec.Command(
		os.Args[0],
		"forkputfile",
		temp.Name(),
		fmt.Sprintf("%d", pid),
		p,
		fmt.Sprintf("%d", uid),
		fmt.Sprintf("%d", gid),
		fmt.Sprintf("%d", mode&os.ModePerm),
	)
	out, err := cmd.CombinedOutput()
	if err != nil {
		return InternalError(fmt.Errorf("%s: %s", err.Error(), string(out)))
	}

	return EmptySyncResponse
}
Exemple #4
0
func containerFilePut(d *Daemon, pid int, r *http.Request, p string, idmapset *shared.IdmapSet) Response {
	uid, gid, mode := shared.ParseLXDFileHeaders(r.Header)

	if idmapset != nil {
		uid, gid = idmapset.ShiftIntoNs(uid, gid)
	}

	temp, err := ioutil.TempFile("", "lxd_forkputfile_")
	if err != nil {
		return InternalError(err)
	}
	defer func() {
		temp.Close()
		os.Remove(temp.Name())
	}()

	_, err = io.Copy(temp, r.Body)
	if err != nil {
		return InternalError(err)
	}

	cmd := exec.Command(
		d.execPath,
		"forkputfile",
		temp.Name(),
		fmt.Sprintf("%d", pid),
		p,
		fmt.Sprintf("%d", uid),
		fmt.Sprintf("%d", gid),
		fmt.Sprintf("%d", mode&os.ModePerm),
	)
	out, err := cmd.CombinedOutput()
	if err != nil {
		return InternalError(fmt.Errorf(strings.TrimRight(string(out), "\n")))
	}

	return EmptySyncResponse
}