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81 lines
2.4 KiB
Go
81 lines
2.4 KiB
Go
// +build !windows
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package main
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import (
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"fmt"
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"os"
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"path/filepath"
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"strconv"
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"strings"
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"github.com/docker/docker/pkg/system"
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"github.com/go-check/check"
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"gotest.tools/assert"
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)
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func (s *DockerSuite) TestCpToContainerWithPermissions(c *check.C) {
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testRequires(c, testEnv.IsLocalDaemon, DaemonIsLinux)
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tmpDir := getTestDir(c, "test-cp-to-host-with-permissions")
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defer os.RemoveAll(tmpDir)
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makeTestContentInDir(c, tmpDir)
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containerName := "permtest"
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_, exc := dockerCmd(c, "create", "--name", containerName, "debian:jessie", "/bin/bash", "-c", "stat -c '%u %g %a' /permdirtest /permdirtest/permtest")
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assert.Equal(c, exc, 0)
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defer dockerCmd(c, "rm", "-f", containerName)
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srcPath := cpPath(tmpDir, "permdirtest")
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dstPath := containerCpPath(containerName, "/")
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assert.NilError(c, runDockerCp(c, srcPath, dstPath, []string{"-a"}))
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out, err := startContainerGetOutput(c, containerName)
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assert.NilError(c, err, "output: %v", out)
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assert.Equal(c, strings.TrimSpace(out), "2 2 700\n65534 65534 400", "output: %v", out)
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}
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// Check ownership is root, both in non-userns and userns enabled modes
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func (s *DockerSuite) TestCpCheckDestOwnership(c *check.C) {
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testRequires(c, DaemonIsLinux, testEnv.IsLocalDaemon)
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tmpVolDir := getTestDir(c, "test-cp-tmpvol")
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containerID := makeTestContainer(c,
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testContainerOptions{volumes: []string{fmt.Sprintf("%s:/tmpvol", tmpVolDir)}})
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tmpDir := getTestDir(c, "test-cp-to-check-ownership")
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defer os.RemoveAll(tmpDir)
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makeTestContentInDir(c, tmpDir)
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srcPath := cpPath(tmpDir, "file1")
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dstPath := containerCpPath(containerID, "/tmpvol", "file1")
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err := runDockerCp(c, srcPath, dstPath, nil)
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assert.NilError(c, err)
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stat, err := system.Stat(filepath.Join(tmpVolDir, "file1"))
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assert.NilError(c, err)
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uid, gid, err := getRootUIDGID()
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assert.NilError(c, err)
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assert.Equal(c, stat.UID(), uint32(uid), "Copied file not owned by container root UID")
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assert.Equal(c, stat.GID(), uint32(gid), "Copied file not owned by container root GID")
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}
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func getRootUIDGID() (int, int, error) {
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uidgid := strings.Split(filepath.Base(testEnv.DaemonInfo.DockerRootDir), ".")
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if len(uidgid) == 1 {
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//user namespace remapping is not turned on; return 0
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return 0, 0, nil
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}
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uid, err := strconv.Atoi(uidgid[0])
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if err != nil {
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return 0, 0, err
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}
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gid, err := strconv.Atoi(uidgid[1])
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if err != nil {
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return 0, 0, err
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}
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return uid, gid, nil
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}
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