github.com/devdivbcp/moby@v17.12.0-ce-rc1.0.20200726071732-2d4bfdc789ad+incompatible/integration-cli/docker_cli_cp_to_container_unix_test.go (about)

     1  // +build !windows
     2  
     3  package main
     4  
     5  import (
     6  	"fmt"
     7  	"os"
     8  	"path/filepath"
     9  	"strconv"
    10  	"strings"
    11  	"testing"
    12  
    13  	"github.com/docker/docker/pkg/system"
    14  	"gotest.tools/assert"
    15  )
    16  
    17  func (s *DockerSuite) TestCpToContainerWithPermissions(c *testing.T) {
    18  	testRequires(c, testEnv.IsLocalDaemon, DaemonIsLinux)
    19  
    20  	tmpDir := getTestDir(c, "test-cp-to-host-with-permissions")
    21  	defer os.RemoveAll(tmpDir)
    22  
    23  	makeTestContentInDir(c, tmpDir)
    24  
    25  	containerName := "permtest"
    26  
    27  	_, exc := dockerCmd(c, "create", "--name", containerName, "debian:jessie", "/bin/bash", "-c", "stat -c '%u %g %a' /permdirtest /permdirtest/permtest")
    28  	assert.Equal(c, exc, 0)
    29  	defer dockerCmd(c, "rm", "-f", containerName)
    30  
    31  	srcPath := cpPath(tmpDir, "permdirtest")
    32  	dstPath := containerCpPath(containerName, "/")
    33  	assert.NilError(c, runDockerCp(c, srcPath, dstPath, []string{"-a"}))
    34  
    35  	out, err := startContainerGetOutput(c, containerName)
    36  	assert.NilError(c, err, "output: %v", out)
    37  	assert.Equal(c, strings.TrimSpace(out), "2 2 700\n65534 65534 400", "output: %v", out)
    38  }
    39  
    40  // Check ownership is root, both in non-userns and userns enabled modes
    41  func (s *DockerSuite) TestCpCheckDestOwnership(c *testing.T) {
    42  	testRequires(c, DaemonIsLinux, testEnv.IsLocalDaemon)
    43  	tmpVolDir := getTestDir(c, "test-cp-tmpvol")
    44  	containerID := makeTestContainer(c,
    45  		testContainerOptions{volumes: []string{fmt.Sprintf("%s:/tmpvol", tmpVolDir)}})
    46  
    47  	tmpDir := getTestDir(c, "test-cp-to-check-ownership")
    48  	defer os.RemoveAll(tmpDir)
    49  
    50  	makeTestContentInDir(c, tmpDir)
    51  
    52  	srcPath := cpPath(tmpDir, "file1")
    53  	dstPath := containerCpPath(containerID, "/tmpvol", "file1")
    54  
    55  	err := runDockerCp(c, srcPath, dstPath, nil)
    56  	assert.NilError(c, err)
    57  
    58  	stat, err := system.Stat(filepath.Join(tmpVolDir, "file1"))
    59  	assert.NilError(c, err)
    60  	uid, gid, err := getRootUIDGID()
    61  	assert.NilError(c, err)
    62  	assert.Equal(c, stat.UID(), uint32(uid), "Copied file not owned by container root UID")
    63  	assert.Equal(c, stat.GID(), uint32(gid), "Copied file not owned by container root GID")
    64  }
    65  
    66  func getRootUIDGID() (int, int, error) {
    67  	uidgid := strings.Split(filepath.Base(testEnv.DaemonInfo.DockerRootDir), ".")
    68  	if len(uidgid) == 1 {
    69  		//user namespace remapping is not turned on; return 0
    70  		return 0, 0, nil
    71  	}
    72  	uid, err := strconv.Atoi(uidgid[0])
    73  	if err != nil {
    74  		return 0, 0, err
    75  	}
    76  	gid, err := strconv.Atoi(uidgid[1])
    77  	if err != nil {
    78  		return 0, 0, err
    79  	}
    80  	return uid, gid, nil
    81  }