// +build !windows package main import ( "bufio" "encoding/json" "fmt" "io/ioutil" "os" "os/exec" "path/filepath" "regexp" "strconv" "strings" "syscall" "time" "github.com/docker/docker/pkg/homedir" "github.com/docker/docker/pkg/integration/checker" "github.com/docker/docker/pkg/mount" "github.com/docker/docker/pkg/parsers" "github.com/docker/docker/pkg/sysinfo" "github.com/go-check/check" "github.com/kr/pty" ) // #6509 func (s *DockerSuite) TestRunRedirectStdout(c *check.C) { checkRedirect := func(command string) { _, tty, err := pty.Open() c.Assert(err, checker.IsNil, check.Commentf("Could not open pty")) cmd := exec.Command("sh", "-c", command) cmd.Stdin = tty cmd.Stdout = tty cmd.Stderr = tty c.Assert(cmd.Start(), checker.IsNil) ch := make(chan error) go func() { ch <- cmd.Wait() close(ch) }() select { case <-time.After(10 * time.Second): c.Fatal("command timeout") case err := <-ch: c.Assert(err, checker.IsNil, check.Commentf("wait err")) } } checkRedirect(dockerBinary + " run -i busybox cat /etc/passwd | grep -q root") checkRedirect(dockerBinary + " run busybox cat /etc/passwd | grep -q root") } // Test recursive bind mount works by default func (s *DockerSuite) TestRunWithVolumesIsRecursive(c *check.C) { // /tmp gets permission denied testRequires(c, NotUserNamespace, SameHostDaemon) tmpDir, err := ioutil.TempDir("", "docker_recursive_mount_test") c.Assert(err, checker.IsNil) defer os.RemoveAll(tmpDir) // Create a temporary tmpfs mount. tmpfsDir := filepath.Join(tmpDir, "tmpfs") c.Assert(os.MkdirAll(tmpfsDir, 0777), checker.IsNil, check.Commentf("failed to mkdir at %s", tmpfsDir)) c.Assert(mount.Mount("tmpfs", tmpfsDir, "tmpfs", ""), checker.IsNil, check.Commentf("failed to create a tmpfs mount at %s", tmpfsDir)) f, err := ioutil.TempFile(tmpfsDir, "touch-me") c.Assert(err, checker.IsNil) defer f.Close() runCmd := exec.Command(dockerBinary, "run", "--name", "test-data", "--volume", fmt.Sprintf("%s:/tmp:ro", tmpDir), "busybox:latest", "ls", "/tmp/tmpfs") out, _, _, err := runCommandWithStdoutStderr(runCmd) c.Assert(err, checker.IsNil) c.Assert(out, checker.Contains, filepath.Base(f.Name()), check.Commentf("Recursive bind mount test failed. Expected file not found")) } func (s *DockerSuite) TestRunDeviceDirectory(c *check.C) { testRequires(c, DaemonIsLinux, NotUserNamespace, NotArm) if _, err := os.Stat("/dev/snd"); err != nil { c.Skip("Host does not have /dev/snd") } out, _ := dockerCmd(c, "run", "--device", "/dev/snd:/dev/snd", "busybox", "sh", "-c", "ls /dev/snd/") c.Assert(strings.Trim(out, "\r\n"), checker.Contains, "timer", check.Commentf("expected output /dev/snd/timer")) out, _ = dockerCmd(c, "run", "--device", "/dev/snd:/dev/othersnd", "busybox", "sh", "-c", "ls /dev/othersnd/") c.Assert(strings.Trim(out, "\r\n"), checker.Contains, "seq", check.Commentf("expected output /dev/othersnd/seq")) } // TestRunDetach checks attaching and detaching with the default escape sequence. func (s *DockerSuite) TestRunAttachDetach(c *check.C) { name := "attach-detach" dockerCmd(c, "run", "--name", name, "-itd", "busybox", "cat") cmd := exec.Command(dockerBinary, "attach", name) stdout, err := cmd.StdoutPipe() c.Assert(err, checker.IsNil) cpty, tty, err := pty.Open() c.Assert(err, checker.IsNil) defer cpty.Close() cmd.Stdin = tty c.Assert(cmd.Start(), checker.IsNil) c.Assert(waitRun(name), check.IsNil) _, err = cpty.Write([]byte("hello\n")) c.Assert(err, checker.IsNil) out, err := bufio.NewReader(stdout).ReadString('\n') c.Assert(err, checker.IsNil) c.Assert(strings.TrimSpace(out), checker.Equals, "hello") // escape sequence _, err = cpty.Write([]byte{16}) c.Assert(err, checker.IsNil) time.Sleep(100 * time.Millisecond) _, err = cpty.Write([]byte{17}) c.Assert(err, checker.IsNil) ch := make(chan struct{}) go func() { cmd.Wait() ch <- struct{}{} }() select { case <-ch: case <-time.After(10 * time.Second): c.Fatal("timed out waiting for container to exit") } running := inspectField(c, name, "State.Running") c.Assert(running, checker.Equals, "true", check.Commentf("expected container to still be running")) out, _ = dockerCmd(c, "events", "--since=0", "--until", daemonUnixTime(c), "-f", "container="+name) // attach and detach event should be monitored c.Assert(out, checker.Contains, "attach") c.Assert(out, checker.Contains, "detach") } // TestRunDetach checks attaching and detaching with the escape sequence specified via flags. func (s *DockerSuite) TestRunAttachDetachFromFlag(c *check.C) { name := "attach-detach" keyCtrlA := []byte{1} keyA := []byte{97} dockerCmd(c, "run", "--name", name, "-itd", "busybox", "cat") cmd := exec.Command(dockerBinary, "attach", "--detach-keys=ctrl-a,a", name) stdout, err := cmd.StdoutPipe() if err != nil { c.Fatal(err) } cpty, tty, err := pty.Open() if err != nil { c.Fatal(err) } defer cpty.Close() cmd.Stdin = tty if err := cmd.Start(); err != nil { c.Fatal(err) } c.Assert(waitRun(name), check.IsNil) if _, err := cpty.Write([]byte("hello\n")); err != nil { c.Fatal(err) } out, err := bufio.NewReader(stdout).ReadString('\n') if err != nil { c.Fatal(err) } if strings.TrimSpace(out) != "hello" { c.Fatalf("expected 'hello', got %q", out) } // escape sequence if _, err := cpty.Write(keyCtrlA); err != nil { c.Fatal(err) } time.Sleep(100 * time.Millisecond) if _, err := cpty.Write(keyA); err != nil { c.Fatal(err) } ch := make(chan struct{}) go func() { cmd.Wait() ch <- struct{}{} }() select { case <-ch: case <-time.After(10 * time.Second): c.Fatal("timed out waiting for container to exit") } running := inspectField(c, name, "State.Running") c.Assert(running, checker.Equals, "true", check.Commentf("expected container to still be running")) } // TestRunDetach checks attaching and detaching with the escape sequence specified via flags. func (s *DockerSuite) TestRunAttachDetachFromInvalidFlag(c *check.C) { name := "attach-detach" dockerCmd(c, "run", "--name", name, "-itd", "busybox", "top") c.Assert(waitRun(name), check.IsNil) // specify an invalid detach key, container will ignore it and use default cmd := exec.Command(dockerBinary, "attach", "--detach-keys=ctrl-A,a", name) stdout, err := cmd.StdoutPipe() if err != nil { c.Fatal(err) } cpty, tty, err := pty.Open() if err != nil { c.Fatal(err) } defer cpty.Close() cmd.Stdin = tty if err := cmd.Start(); err != nil { c.Fatal(err) } bufReader := bufio.NewReader(stdout) out, err := bufReader.ReadString('\n') if err != nil { c.Fatal(err) } // it should print a warning to indicate the detach key flag is invalid errStr := "Invalid escape keys (ctrl-A,a) provided" c.Assert(strings.TrimSpace(out), checker.Equals, errStr) } // TestRunDetach checks attaching and detaching with the escape sequence specified via config file. func (s *DockerSuite) TestRunAttachDetachFromConfig(c *check.C) { keyCtrlA := []byte{1} keyA := []byte{97} // Setup config homeKey := homedir.Key() homeVal := homedir.Get() tmpDir, err := ioutil.TempDir("", "fake-home") c.Assert(err, checker.IsNil) defer os.RemoveAll(tmpDir) dotDocker := filepath.Join(tmpDir, ".docker") os.Mkdir(dotDocker, 0600) tmpCfg := filepath.Join(dotDocker, "config.json") defer func() { os.Setenv(homeKey, homeVal) }() os.Setenv(homeKey, tmpDir) data := `{ "detachKeys": "ctrl-a,a" }` err = ioutil.WriteFile(tmpCfg, []byte(data), 0600) c.Assert(err, checker.IsNil) // Then do the work name := "attach-detach" dockerCmd(c, "run", "--name", name, "-itd", "busybox", "cat") cmd := exec.Command(dockerBinary, "attach", name) stdout, err := cmd.StdoutPipe() if err != nil { c.Fatal(err) } cpty, tty, err := pty.Open() if err != nil { c.Fatal(err) } defer cpty.Close() cmd.Stdin = tty if err := cmd.Start(); err != nil { c.Fatal(err) } c.Assert(waitRun(name), check.IsNil) if _, err := cpty.Write([]byte("hello\n")); err != nil { c.Fatal(err) } out, err := bufio.NewReader(stdout).ReadString('\n') if err != nil { c.Fatal(err) } if strings.TrimSpace(out) != "hello" { c.Fatalf("expected 'hello', got %q", out) } // escape sequence if _, err := cpty.Write(keyCtrlA); err != nil { c.Fatal(err) } time.Sleep(100 * time.Millisecond) if _, err := cpty.Write(keyA); err != nil { c.Fatal(err) } ch := make(chan struct{}) go func() { cmd.Wait() ch <- struct{}{} }() select { case <-ch: case <-time.After(10 * time.Second): c.Fatal("timed out waiting for container to exit") } running := inspectField(c, name, "State.Running") c.Assert(running, checker.Equals, "true", check.Commentf("expected container to still be running")) } // TestRunDetach checks attaching and detaching with the detach flags, making sure it overrides config file func (s *DockerSuite) TestRunAttachDetachKeysOverrideConfig(c *check.C) { keyCtrlA := []byte{1} keyA := []byte{97} // Setup config homeKey := homedir.Key() homeVal := homedir.Get() tmpDir, err := ioutil.TempDir("", "fake-home") c.Assert(err, checker.IsNil) defer os.RemoveAll(tmpDir) dotDocker := filepath.Join(tmpDir, ".docker") os.Mkdir(dotDocker, 0600) tmpCfg := filepath.Join(dotDocker, "config.json") defer func() { os.Setenv(homeKey, homeVal) }() os.Setenv(homeKey, tmpDir) data := `{ "detachKeys": "ctrl-e,e" }` err = ioutil.WriteFile(tmpCfg, []byte(data), 0600) c.Assert(err, checker.IsNil) // Then do the work name := "attach-detach" dockerCmd(c, "run", "--name", name, "-itd", "busybox", "cat") cmd := exec.Command(dockerBinary, "attach", "--detach-keys=ctrl-a,a", name) stdout, err := cmd.StdoutPipe() if err != nil { c.Fatal(err) } cpty, tty, err := pty.Open() if err != nil { c.Fatal(err) } defer cpty.Close() cmd.Stdin = tty if err := cmd.Start(); err != nil { c.Fatal(err) } c.Assert(waitRun(name), check.IsNil) if _, err := cpty.Write([]byte("hello\n")); err != nil { c.Fatal(err) } out, err := bufio.NewReader(stdout).ReadString('\n') if err != nil { c.Fatal(err) } if strings.TrimSpace(out) != "hello" { c.Fatalf("expected 'hello', got %q", out) } // escape sequence if _, err := cpty.Write(keyCtrlA); err != nil { c.Fatal(err) } time.Sleep(100 * time.Millisecond) if _, err := cpty.Write(keyA); err != nil { c.Fatal(err) } ch := make(chan struct{}) go func() { cmd.Wait() ch <- struct{}{} }() select { case <-ch: case <-time.After(10 * time.Second): c.Fatal("timed out waiting for container to exit") } running := inspectField(c, name, "State.Running") c.Assert(running, checker.Equals, "true", check.Commentf("expected container to still be running")) } func (s *DockerSuite) TestRunAttachInvalidDetachKeySequencePreserved(c *check.C) { name := "attach-detach" keyA := []byte{97} keyB := []byte{98} dockerCmd(c, "run", "--name", name, "-itd", "busybox", "cat") cmd := exec.Command(dockerBinary, "attach", "--detach-keys=a,b,c", name) stdout, err := cmd.StdoutPipe() if err != nil { c.Fatal(err) } cpty, tty, err := pty.Open() if err != nil { c.Fatal(err) } defer cpty.Close() cmd.Stdin = tty if err := cmd.Start(); err != nil { c.Fatal(err) } c.Assert(waitRun(name), check.IsNil) // Invalid escape sequence aba, should print aba in output if _, err := cpty.Write(keyA); err != nil { c.Fatal(err) } time.Sleep(100 * time.Millisecond) if _, err := cpty.Write(keyB); err != nil { c.Fatal(err) } time.Sleep(100 * time.Millisecond) if _, err := cpty.Write(keyA); err != nil { c.Fatal(err) } time.Sleep(100 * time.Millisecond) if _, err := cpty.Write([]byte("\n")); err != nil { c.Fatal(err) } out, err := bufio.NewReader(stdout).ReadString('\n') if err != nil { c.Fatal(err) } if strings.TrimSpace(out) != "aba" { c.Fatalf("expected 'aba', got %q", out) } } // "test" should be printed func (s *DockerSuite) TestRunWithCPUQuota(c *check.C) { testRequires(c, cpuCfsQuota) file := "/sys/fs/cgroup/cpu/cpu.cfs_quota_us" out, _ := dockerCmd(c, "run", "--cpu-quota", "8000", "--name", "test", "busybox", "cat", file) c.Assert(strings.TrimSpace(out), checker.Equals, "8000") out = inspectField(c, "test", "HostConfig.CpuQuota") c.Assert(out, checker.Equals, "8000", check.Commentf("setting the CPU CFS quota failed")) } func (s *DockerSuite) TestRunWithCpuPeriod(c *check.C) { testRequires(c, cpuCfsPeriod) file := "/sys/fs/cgroup/cpu/cpu.cfs_period_us" out, _ := dockerCmd(c, "run", "--cpu-period", "50000", "--name", "test", "busybox", "cat", file) c.Assert(strings.TrimSpace(out), checker.Equals, "50000") out, _ = dockerCmd(c, "run", "--cpu-period", "0", "busybox", "cat", file) c.Assert(strings.TrimSpace(out), checker.Equals, "100000") out = inspectField(c, "test", "HostConfig.CpuPeriod") c.Assert(out, checker.Equals, "50000", check.Commentf("setting the CPU CFS period failed")) } func (s *DockerSuite) TestRunWithInvalidCpuPeriod(c *check.C) { testRequires(c, cpuCfsPeriod) out, _, err := dockerCmdWithError("run", "--cpu-period", "900", "busybox", "true") c.Assert(err, check.NotNil) expected := "CPU cfs period can not be less than 1ms (i.e. 1000) or larger than 1s (i.e. 1000000)" c.Assert(out, checker.Contains, expected) out, _, err = dockerCmdWithError("run", "--cpu-period", "2000000", "busybox", "true") c.Assert(err, check.NotNil) c.Assert(out, checker.Contains, expected) out, _, err = dockerCmdWithError("run", "--cpu-period", "-3", "busybox", "true") c.Assert(err, check.NotNil) c.Assert(out, checker.Contains, expected) } func (s *DockerSuite) TestRunWithKernelMemory(c *check.C) { testRequires(c, kernelMemorySupport) file := "/sys/fs/cgroup/memory/memory.kmem.limit_in_bytes" stdout, _, _ := dockerCmdWithStdoutStderr(c, "run", "--kernel-memory", "50M", "--name", "test1", "busybox", "cat", file) c.Assert(strings.TrimSpace(stdout), checker.Equals, "52428800") out := inspectField(c, "test1", "HostConfig.KernelMemory") c.Assert(out, check.Equals, "52428800") } func (s *DockerSuite) TestRunWithInvalidKernelMemory(c *check.C) { testRequires(c, kernelMemorySupport) out, _, err := dockerCmdWithError("run", "--kernel-memory", "2M", "busybox", "true") c.Assert(err, check.NotNil) expected := "Minimum kernel memory limit allowed is 4MB" c.Assert(out, checker.Contains, expected) out, _, err = dockerCmdWithError("run", "--kernel-memory", "-16m", "--name", "test2", "busybox", "echo", "test") c.Assert(err, check.NotNil) expected = "invalid size" c.Assert(out, checker.Contains, expected) } func (s *DockerSuite) TestRunWithCPUShares(c *check.C) { testRequires(c, cpuShare) file := "/sys/fs/cgroup/cpu/cpu.shares" out, _ := dockerCmd(c, "run", "--cpu-shares", "1000", "--name", "test", "busybox", "cat", file) c.Assert(strings.TrimSpace(out), checker.Equals, "1000") out = inspectField(c, "test", "HostConfig.CPUShares") c.Assert(out, check.Equals, "1000") } // "test" should be printed func (s *DockerSuite) TestRunEchoStdoutWithCPUSharesAndMemoryLimit(c *check.C) { testRequires(c, cpuShare) testRequires(c, memoryLimitSupport) out, _, _ := dockerCmdWithStdoutStderr(c, "run", "--cpu-shares", "1000", "-m", "32m", "busybox", "echo", "test") c.Assert(out, checker.Equals, "test\n", check.Commentf("container should've printed 'test'")) } func (s *DockerSuite) TestRunWithCpusetCpus(c *check.C) { testRequires(c, cgroupCpuset) file := "/sys/fs/cgroup/cpuset/cpuset.cpus" out, _ := dockerCmd(c, "run", "--cpuset-cpus", "0", "--name", "test", "busybox", "cat", file) c.Assert(strings.TrimSpace(out), checker.Equals, "0") out = inspectField(c, "test", "HostConfig.CpusetCpus") c.Assert(out, check.Equals, "0") } func (s *DockerSuite) TestRunWithCpusetMems(c *check.C) { testRequires(c, cgroupCpuset) file := "/sys/fs/cgroup/cpuset/cpuset.mems" out, _ := dockerCmd(c, "run", "--cpuset-mems", "0", "--name", "test", "busybox", "cat", file) c.Assert(strings.TrimSpace(out), checker.Equals, "0") out = inspectField(c, "test", "HostConfig.CpusetMems") c.Assert(out, check.Equals, "0") } func (s *DockerSuite) TestRunWithBlkioWeight(c *check.C) { testRequires(c, blkioWeight) file := "/sys/fs/cgroup/blkio/blkio.weight" out, _ := dockerCmd(c, "run", "--blkio-weight", "300", "--name", "test", "busybox", "cat", file) c.Assert(strings.TrimSpace(out), checker.Equals, "300") out = inspectField(c, "test", "HostConfig.BlkioWeight") c.Assert(out, check.Equals, "300") } func (s *DockerSuite) TestRunWithInvalidBlkioWeight(c *check.C) { testRequires(c, blkioWeight) out, _, err := dockerCmdWithError("run", "--blkio-weight", "5", "busybox", "true") c.Assert(err, check.NotNil, check.Commentf(out)) expected := "Range of blkio weight is from 10 to 1000" c.Assert(out, checker.Contains, expected) } func (s *DockerSuite) TestRunWithInvalidPathforBlkioWeightDevice(c *check.C) { testRequires(c, blkioWeight) out, _, err := dockerCmdWithError("run", "--blkio-weight-device", "/dev/sdX:100", "busybox", "true") c.Assert(err, check.NotNil, check.Commentf(out)) } func (s *DockerSuite) TestRunWithInvalidPathforBlkioDeviceReadBps(c *check.C) { testRequires(c, blkioWeight) out, _, err := dockerCmdWithError("run", "--device-read-bps", "/dev/sdX:500", "busybox", "true") c.Assert(err, check.NotNil, check.Commentf(out)) } func (s *DockerSuite) TestRunWithInvalidPathforBlkioDeviceWriteBps(c *check.C) { testRequires(c, blkioWeight) out, _, err := dockerCmdWithError("run", "--device-write-bps", "/dev/sdX:500", "busybox", "true") c.Assert(err, check.NotNil, check.Commentf(out)) } func (s *DockerSuite) TestRunWithInvalidPathforBlkioDeviceReadIOps(c *check.C) { testRequires(c, blkioWeight) out, _, err := dockerCmdWithError("run", "--device-read-iops", "/dev/sdX:500", "busybox", "true") c.Assert(err, check.NotNil, check.Commentf(out)) } func (s *DockerSuite) TestRunWithInvalidPathforBlkioDeviceWriteIOps(c *check.C) { testRequires(c, blkioWeight) out, _, err := dockerCmdWithError("run", "--device-write-iops", "/dev/sdX:500", "busybox", "true") c.Assert(err, check.NotNil, check.Commentf(out)) } func (s *DockerSuite) TestRunOOMExitCode(c *check.C) { testRequires(c, memoryLimitSupport, swapMemorySupport) errChan := make(chan error) go func() { defer close(errChan) out, exitCode, _ := dockerCmdWithError("run", "-m", "4MB", "busybox", "sh", "-c", "x=a; while true; do x=$x$x$x$x; done") if expected := 137; exitCode != expected { errChan <- fmt.Errorf("wrong exit code for OOM container: expected %d, got %d (output: %q)", expected, exitCode, out) } }() select { case err := <-errChan: c.Assert(err, check.IsNil) case <-time.After(600 * time.Second): c.Fatal("Timeout waiting for container to die on OOM") } } func (s *DockerSuite) TestRunWithMemoryLimit(c *check.C) { testRequires(c, memoryLimitSupport) file := "/sys/fs/cgroup/memory/memory.limit_in_bytes" stdout, _, _ := dockerCmdWithStdoutStderr(c, "run", "-m", "32M", "--name", "test", "busybox", "cat", file) c.Assert(strings.TrimSpace(stdout), checker.Equals, "33554432") out := inspectField(c, "test", "HostConfig.Memory") c.Assert(out, check.Equals, "33554432") } // TestRunWithoutMemoryswapLimit sets memory limit and disables swap // memory limit, this means the processes in the container can use // 16M memory and as much swap memory as they need (if the host // supports swap memory). func (s *DockerSuite) TestRunWithoutMemoryswapLimit(c *check.C) { testRequires(c, DaemonIsLinux) testRequires(c, memoryLimitSupport) testRequires(c, swapMemorySupport) dockerCmd(c, "run", "-m", "32m", "--memory-swap", "-1", "busybox", "true") } func (s *DockerSuite) TestRunWithSwappiness(c *check.C) { testRequires(c, memorySwappinessSupport) file := "/sys/fs/cgroup/memory/memory.swappiness" out, _ := dockerCmd(c, "run", "--memory-swappiness", "0", "--name", "test", "busybox", "cat", file) c.Assert(strings.TrimSpace(out), checker.Equals, "0") out = inspectField(c, "test", "HostConfig.MemorySwappiness") c.Assert(out, check.Equals, "0") } func (s *DockerSuite) TestRunWithSwappinessInvalid(c *check.C) { testRequires(c, memorySwappinessSupport) out, _, err := dockerCmdWithError("run", "--memory-swappiness", "101", "busybox", "true") c.Assert(err, check.NotNil) expected := "Valid memory swappiness range is 0-100" c.Assert(out, checker.Contains, expected, check.Commentf("Expected output to contain %q, not %q", out, expected)) out, _, err = dockerCmdWithError("run", "--memory-swappiness", "-10", "busybox", "true") c.Assert(err, check.NotNil) c.Assert(out, checker.Contains, expected, check.Commentf("Expected output to contain %q, not %q", out, expected)) } func (s *DockerSuite) TestRunWithMemoryReservation(c *check.C) { testRequires(c, memoryReservationSupport) file := "/sys/fs/cgroup/memory/memory.soft_limit_in_bytes" out, _ := dockerCmd(c, "run", "--memory-reservation", "200M", "--name", "test", "busybox", "cat", file) c.Assert(strings.TrimSpace(out), checker.Equals, "209715200") out = inspectField(c, "test", "HostConfig.MemoryReservation") c.Assert(out, check.Equals, "209715200") } func (s *DockerSuite) TestRunWithMemoryReservationInvalid(c *check.C) { testRequires(c, memoryLimitSupport) testRequires(c, memoryReservationSupport) out, _, err := dockerCmdWithError("run", "-m", "500M", "--memory-reservation", "800M", "busybox", "true") c.Assert(err, check.NotNil) expected := "Minimum memory limit can not be less than memory reservation limit" c.Assert(strings.TrimSpace(out), checker.Contains, expected, check.Commentf("run container should fail with invalid memory reservation")) out, _, err = dockerCmdWithError("run", "--memory-reservation", "1k", "busybox", "true") c.Assert(err, check.NotNil) expected = "Minimum memory reservation allowed is 4MB" c.Assert(strings.TrimSpace(out), checker.Contains, expected, check.Commentf("run container should fail with invalid memory reservation")) } func (s *DockerSuite) TestStopContainerSignal(c *check.C) { out, _ := dockerCmd(c, "run", "--stop-signal", "SIGUSR1", "-d", "busybox", "/bin/sh", "-c", `trap 'echo "exit trapped"; exit 0' USR1; while true; do sleep 1; done`) containerID := strings.TrimSpace(out) c.Assert(waitRun(containerID), checker.IsNil) dockerCmd(c, "stop", containerID) out, _ = dockerCmd(c, "logs", containerID) c.Assert(out, checker.Contains, "exit trapped", check.Commentf("Expected `exit trapped` in the log")) } func (s *DockerSuite) TestRunSwapLessThanMemoryLimit(c *check.C) { testRequires(c, memoryLimitSupport) testRequires(c, swapMemorySupport) out, _, err := dockerCmdWithError("run", "-m", "16m", "--memory-swap", "15m", "busybox", "echo", "test") expected := "Minimum memoryswap limit should be larger than memory limit" c.Assert(err, check.NotNil) c.Assert(out, checker.Contains, expected) } func (s *DockerSuite) TestRunInvalidCpusetCpusFlagValue(c *check.C) { testRequires(c, cgroupCpuset, SameHostDaemon) sysInfo := sysinfo.New(true) cpus, err := parsers.ParseUintList(sysInfo.Cpus) c.Assert(err, check.IsNil) var invalid int for i := 0; i <= len(cpus)+1; i++ { if !cpus[i] { invalid = i break } } out, _, err := dockerCmdWithError("run", "--cpuset-cpus", strconv.Itoa(invalid), "busybox", "true") c.Assert(err, check.NotNil) expected := fmt.Sprintf("Error response from daemon: Requested CPUs are not available - requested %s, available: %s", strconv.Itoa(invalid), sysInfo.Cpus) c.Assert(out, checker.Contains, expected) } func (s *DockerSuite) TestRunInvalidCpusetMemsFlagValue(c *check.C) { testRequires(c, cgroupCpuset) sysInfo := sysinfo.New(true) mems, err := parsers.ParseUintList(sysInfo.Mems) c.Assert(err, check.IsNil) var invalid int for i := 0; i <= len(mems)+1; i++ { if !mems[i] { invalid = i break } } out, _, err := dockerCmdWithError("run", "--cpuset-mems", strconv.Itoa(invalid), "busybox", "true") c.Assert(err, check.NotNil) expected := fmt.Sprintf("Error response from daemon: Requested memory nodes are not available - requested %s, available: %s", strconv.Itoa(invalid), sysInfo.Mems) c.Assert(out, checker.Contains, expected) } func (s *DockerSuite) TestRunInvalidCPUShares(c *check.C) { testRequires(c, cpuShare, DaemonIsLinux) out, _, err := dockerCmdWithError("run", "--cpu-shares", "1", "busybox", "echo", "test") c.Assert(err, check.NotNil, check.Commentf(out)) expected := "The minimum allowed cpu-shares is 2" c.Assert(out, checker.Contains, expected) out, _, err = dockerCmdWithError("run", "--cpu-shares", "-1", "busybox", "echo", "test") c.Assert(err, check.NotNil, check.Commentf(out)) expected = "shares: invalid argument" c.Assert(out, checker.Contains, expected) out, _, err = dockerCmdWithError("run", "--cpu-shares", "99999999", "busybox", "echo", "test") c.Assert(err, check.NotNil, check.Commentf(out)) expected = "The maximum allowed cpu-shares is" c.Assert(out, checker.Contains, expected) } func (s *DockerSuite) TestRunWithDefaultShmSize(c *check.C) { testRequires(c, DaemonIsLinux) name := "shm-default" out, _ := dockerCmd(c, "run", "--name", name, "busybox", "mount") shmRegex := regexp.MustCompile(`shm on /dev/shm type tmpfs(.*)size=65536k`) if !shmRegex.MatchString(out) { c.Fatalf("Expected shm of 64MB in mount command, got %v", out) } shmSize := inspectField(c, name, "HostConfig.ShmSize") c.Assert(shmSize, check.Equals, "67108864") } func (s *DockerSuite) TestRunWithShmSize(c *check.C) { testRequires(c, DaemonIsLinux) name := "shm" out, _ := dockerCmd(c, "run", "--name", name, "--shm-size=1G", "busybox", "mount") shmRegex := regexp.MustCompile(`shm on /dev/shm type tmpfs(.*)size=1048576k`) if !shmRegex.MatchString(out) { c.Fatalf("Expected shm of 1GB in mount command, got %v", out) } shmSize := inspectField(c, name, "HostConfig.ShmSize") c.Assert(shmSize, check.Equals, "1073741824") } func (s *DockerSuite) TestRunTmpfsMountsEnsureOrdered(c *check.C) { tmpFile, err := ioutil.TempFile("", "test") c.Assert(err, check.IsNil) defer tmpFile.Close() out, _ := dockerCmd(c, "run", "--tmpfs", "/run", "-v", tmpFile.Name()+":/run/test", "busybox", "ls", "/run") c.Assert(out, checker.Contains, "test") } func (s *DockerSuite) TestRunTmpfsMounts(c *check.C) { // TODO Windows (Post TP5): This test cannot run on a Windows daemon as // Windows does not support tmpfs mounts. testRequires(c, DaemonIsLinux) if out, _, err := dockerCmdWithError("run", "--tmpfs", "/run", "busybox", "touch", "/run/somefile"); err != nil { c.Fatalf("/run directory not mounted on tmpfs %q %s", err, out) } if out, _, err := dockerCmdWithError("run", "--tmpfs", "/run:noexec", "busybox", "touch", "/run/somefile"); err != nil { c.Fatalf("/run directory not mounted on tmpfs %q %s", err, out) } if out, _, err := dockerCmdWithError("run", "--tmpfs", "/run:noexec,nosuid,rw,size=5k,mode=700", "busybox", "touch", "/run/somefile"); err != nil { c.Fatalf("/run failed to mount on tmpfs with valid options %q %s", err, out) } if _, _, err := dockerCmdWithError("run", "--tmpfs", "/run:foobar", "busybox", "touch", "/run/somefile"); err == nil { c.Fatalf("/run mounted on tmpfs when it should have vailed within invalid mount option") } if _, _, err := dockerCmdWithError("run", "--tmpfs", "/run", "-v", "/run:/run", "busybox", "touch", "/run/somefile"); err == nil { c.Fatalf("Should have generated an error saying Duplicate mount points") } } func (s *DockerSuite) TestRunTmpfsMountsOverrideImageVolumes(c *check.C) { name := "img-with-volumes" _, err := buildImage( name, ` FROM busybox VOLUME /run RUN touch /run/stuff `, true) if err != nil { c.Fatal(err) } out, _ := dockerCmd(c, "run", "--tmpfs", "/run", name, "ls", "/run") c.Assert(out, checker.Not(checker.Contains), "stuff") } // Test case for #22420 func (s *DockerSuite) TestRunTmpfsMountsWithOptions(c *check.C) { testRequires(c, DaemonIsLinux) expectedOptions := []string{"rw", "nosuid", "nodev", "noexec", "relatime"} out, _ := dockerCmd(c, "run", "--tmpfs", "/tmp", "busybox", "sh", "-c", "mount | grep 'tmpfs on /tmp'") for _, option := range expectedOptions { c.Assert(out, checker.Contains, option) } c.Assert(out, checker.Not(checker.Contains), "size=") expectedOptions = []string{"rw", "nosuid", "nodev", "noexec", "relatime"} out, _ = dockerCmd(c, "run", "--tmpfs", "/tmp:rw", "busybox", "sh", "-c", "mount | grep 'tmpfs on /tmp'") for _, option := range expectedOptions { c.Assert(out, checker.Contains, option) } c.Assert(out, checker.Not(checker.Contains), "size=") expectedOptions = []string{"rw", "nosuid", "nodev", "relatime", "size=8192k"} out, _ = dockerCmd(c, "run", "--tmpfs", "/tmp:rw,exec,size=8192k", "busybox", "sh", "-c", "mount | grep 'tmpfs on /tmp'") for _, option := range expectedOptions { c.Assert(out, checker.Contains, option) } expectedOptions = []string{"rw", "nosuid", "nodev", "noexec", "relatime", "size=4096k"} out, _ = dockerCmd(c, "run", "--tmpfs", "/tmp:rw,size=8192k,exec,size=4096k,noexec", "busybox", "sh", "-c", "mount | grep 'tmpfs on /tmp'") for _, option := range expectedOptions { c.Assert(out, checker.Contains, option) } // We use debian:jessie as there is no findmnt in busybox. Also the output will be in the format of // TARGET PROPAGATION // /tmp shared // so we only capture `shared` here. expectedOptions = []string{"shared"} out, _ = dockerCmd(c, "run", "--tmpfs", "/tmp:shared", "debian:jessie", "findmnt", "-o", "TARGET,PROPAGATION", "/tmp") for _, option := range expectedOptions { c.Assert(out, checker.Contains, option) } } func (s *DockerSuite) TestRunSysctls(c *check.C) { testRequires(c, DaemonIsLinux) var err error out, _ := dockerCmd(c, "run", "--sysctl", "net.ipv4.ip_forward=1", "--name", "test", "busybox", "cat", "/proc/sys/net/ipv4/ip_forward") c.Assert(strings.TrimSpace(out), check.Equals, "1") out = inspectFieldJSON(c, "test", "HostConfig.Sysctls") sysctls := make(map[string]string) err = json.Unmarshal([]byte(out), &sysctls) c.Assert(err, check.IsNil) c.Assert(sysctls["net.ipv4.ip_forward"], check.Equals, "1") out, _ = dockerCmd(c, "run", "--sysctl", "net.ipv4.ip_forward=0", "--name", "test1", "busybox", "cat", "/proc/sys/net/ipv4/ip_forward") c.Assert(strings.TrimSpace(out), check.Equals, "0") out = inspectFieldJSON(c, "test1", "HostConfig.Sysctls") err = json.Unmarshal([]byte(out), &sysctls) c.Assert(err, check.IsNil) c.Assert(sysctls["net.ipv4.ip_forward"], check.Equals, "0") runCmd := exec.Command(dockerBinary, "run", "--sysctl", "kernel.foobar=1", "--name", "test2", "busybox", "cat", "/proc/sys/kernel/foobar") out, _, _ = runCommandWithOutput(runCmd) if !strings.Contains(out, "invalid argument") { c.Fatalf("expected --sysctl to fail, got %s", out) } } // TestRunSeccompProfileDenyUnshare checks that 'docker run --security-opt seccomp=/tmp/profile.json debian:jessie unshare' exits with operation not permitted. func (s *DockerSuite) TestRunSeccompProfileDenyUnshare(c *check.C) { testRequires(c, SameHostDaemon, seccompEnabled, NotArm, Apparmor) jsonData := `{ "defaultAction": "SCMP_ACT_ALLOW", "syscalls": [ { "name": "unshare", "action": "SCMP_ACT_ERRNO" } ] }` tmpFile, err := ioutil.TempFile("", "profile.json") if err != nil { c.Fatal(err) } defer tmpFile.Close() if _, err := tmpFile.Write([]byte(jsonData)); err != nil { c.Fatal(err) } runCmd := exec.Command(dockerBinary, "run", "--security-opt", "apparmor=unconfined", "--security-opt", "seccomp="+tmpFile.Name(), "debian:jessie", "unshare", "-p", "-m", "-f", "-r", "mount", "-t", "proc", "none", "/proc") out, _, _ := runCommandWithOutput(runCmd) if !strings.Contains(out, "Operation not permitted") { c.Fatalf("expected unshare with seccomp profile denied to fail, got %s", out) } } // TestRunSeccompProfileDenyChmod checks that 'docker run --security-opt seccomp=/tmp/profile.json busybox chmod 400 /etc/hostname' exits with operation not permitted. func (s *DockerSuite) TestRunSeccompProfileDenyChmod(c *check.C) { testRequires(c, SameHostDaemon, seccompEnabled) jsonData := `{ "defaultAction": "SCMP_ACT_ALLOW", "syscalls": [ { "name": "chmod", "action": "SCMP_ACT_ERRNO" }, { "name":"fchmod", "action": "SCMP_ACT_ERRNO" }, { "name": "fchmodat", "action":"SCMP_ACT_ERRNO" } ] }` tmpFile, err := ioutil.TempFile("", "profile.json") c.Assert(err, check.IsNil) defer tmpFile.Close() if _, err := tmpFile.Write([]byte(jsonData)); err != nil { c.Fatal(err) } runCmd := exec.Command(dockerBinary, "run", "--security-opt", "seccomp="+tmpFile.Name(), "busybox", "chmod", "400", "/etc/hostname") out, _, _ := runCommandWithOutput(runCmd) if !strings.Contains(out, "Operation not permitted") { c.Fatalf("expected chmod with seccomp profile denied to fail, got %s", out) } } // TestRunSeccompProfileDenyUnshareUserns checks that 'docker run debian:jessie unshare --map-root-user --user sh -c whoami' with a specific profile to // deny unshare of a userns exits with operation not permitted. func (s *DockerSuite) TestRunSeccompProfileDenyUnshareUserns(c *check.C) { testRequires(c, SameHostDaemon, seccompEnabled, NotArm, Apparmor) // from sched.h jsonData := fmt.Sprintf(`{ "defaultAction": "SCMP_ACT_ALLOW", "syscalls": [ { "name": "unshare", "action": "SCMP_ACT_ERRNO", "args": [ { "index": 0, "value": %d, "op": "SCMP_CMP_EQ" } ] } ] }`, uint64(0x10000000)) tmpFile, err := ioutil.TempFile("", "profile.json") if err != nil { c.Fatal(err) } defer tmpFile.Close() if _, err := tmpFile.Write([]byte(jsonData)); err != nil { c.Fatal(err) } runCmd := exec.Command(dockerBinary, "run", "--security-opt", "apparmor=unconfined", "--security-opt", "seccomp="+tmpFile.Name(), "debian:jessie", "unshare", "--map-root-user", "--user", "sh", "-c", "whoami") out, _, _ := runCommandWithOutput(runCmd) if !strings.Contains(out, "Operation not permitted") { c.Fatalf("expected unshare userns with seccomp profile denied to fail, got %s", out) } } // TestRunSeccompProfileDenyUnusualSocketFamilies checks that rarely used socket families such as Appletalk are blocked by the default profile func (s *DockerSuite) TestRunSeccompProfileDenyUnusualSocketFamilies(c *check.C) { testRequires(c, SameHostDaemon, seccompEnabled) ensureSyscallTest(c) runCmd := exec.Command(dockerBinary, "run", "syscall-test", "appletalk-test") _, _, err := runCommandWithOutput(runCmd) if err != nil { c.Fatal("expected opening appletalk socket family to fail") } } // TestRunSeccompProfileDenyCloneUserns checks that 'docker run syscall-test' // with a the default seccomp profile exits with operation not permitted. func (s *DockerSuite) TestRunSeccompProfileDenyCloneUserns(c *check.C) { testRequires(c, SameHostDaemon, seccompEnabled) ensureSyscallTest(c) runCmd := exec.Command(dockerBinary, "run", "syscall-test", "userns-test", "id") out, _, err := runCommandWithOutput(runCmd) if err == nil || !strings.Contains(out, "clone failed: Operation not permitted") { c.Fatalf("expected clone userns with default seccomp profile denied to fail, got %s: %v", out, err) } } // TestRunSeccompUnconfinedCloneUserns checks that // 'docker run --security-opt seccomp=unconfined syscall-test' allows creating a userns. func (s *DockerSuite) TestRunSeccompUnconfinedCloneUserns(c *check.C) { testRequires(c, SameHostDaemon, seccompEnabled, UserNamespaceInKernel, NotUserNamespace, unprivilegedUsernsClone) ensureSyscallTest(c) // make sure running w privileged is ok runCmd := exec.Command(dockerBinary, "run", "--security-opt", "seccomp=unconfined", "syscall-test", "userns-test", "id") if out, _, err := runCommandWithOutput(runCmd); err != nil || !strings.Contains(out, "nobody") { c.Fatalf("expected clone userns with --security-opt seccomp=unconfined to succeed, got %s: %v", out, err) } } // TestRunSeccompAllowPrivCloneUserns checks that 'docker run --privileged syscall-test' // allows creating a userns. func (s *DockerSuite) TestRunSeccompAllowPrivCloneUserns(c *check.C) { testRequires(c, SameHostDaemon, seccompEnabled, UserNamespaceInKernel, NotUserNamespace) ensureSyscallTest(c) // make sure running w privileged is ok runCmd := exec.Command(dockerBinary, "run", "--privileged", "syscall-test", "userns-test", "id") if out, _, err := runCommandWithOutput(runCmd); err != nil || !strings.Contains(out, "nobody") { c.Fatalf("expected clone userns with --privileged to succeed, got %s: %v", out, err) } } // TestRunSeccompProfileAllow32Bit checks that 32 bit code can run on x86_64 // with the default seccomp profile. func (s *DockerSuite) TestRunSeccompProfileAllow32Bit(c *check.C) { testRequires(c, SameHostDaemon, seccompEnabled, IsAmd64) ensureSyscallTest(c) runCmd := exec.Command(dockerBinary, "run", "syscall-test", "exit32-test", "id") if out, _, err := runCommandWithOutput(runCmd); err != nil { c.Fatalf("expected to be able to run 32 bit code, got %s: %v", out, err) } } // TestRunSeccompAllowSetrlimit checks that 'docker run debian:jessie ulimit -v 1048510' succeeds. func (s *DockerSuite) TestRunSeccompAllowSetrlimit(c *check.C) { testRequires(c, SameHostDaemon, seccompEnabled) // ulimit uses setrlimit, so we want to make sure we don't break it runCmd := exec.Command(dockerBinary, "run", "debian:jessie", "bash", "-c", "ulimit -v 1048510") if out, _, err := runCommandWithOutput(runCmd); err != nil { c.Fatalf("expected ulimit with seccomp to succeed, got %s: %v", out, err) } } func (s *DockerSuite) TestRunSeccompDefaultProfileAcct(c *check.C) { testRequires(c, SameHostDaemon, seccompEnabled, NotUserNamespace) ensureSyscallTest(c) out, _, err := dockerCmdWithError("run", "syscall-test", "acct-test") if err == nil || !strings.Contains(out, "Operation not permitted") { c.Fatalf("test 0: expected Operation not permitted, got: %s", out) } out, _, err = dockerCmdWithError("run", "--cap-add", "sys_admin", "syscall-test", "acct-test") if err == nil || !strings.Contains(out, "Operation not permitted") { c.Fatalf("test 1: expected Operation not permitted, got: %s", out) } out, _, err = dockerCmdWithError("run", "--cap-add", "sys_pacct", "syscall-test", "acct-test") if err == nil || !strings.Contains(out, "No such file or directory") { c.Fatalf("test 2: expected No such file or directory, got: %s", out) } out, _, err = dockerCmdWithError("run", "--cap-add", "ALL", "syscall-test", "acct-test") if err == nil || !strings.Contains(out, "No such file or directory") { c.Fatalf("test 3: expected No such file or directory, got: %s", out) } out, _, err = dockerCmdWithError("run", "--cap-drop", "ALL", "--cap-add", "sys_pacct", "syscall-test", "acct-test") if err == nil || !strings.Contains(out, "No such file or directory") { c.Fatalf("test 4: expected No such file or directory, got: %s", out) } } func (s *DockerSuite) TestRunSeccompDefaultProfileNS(c *check.C) { testRequires(c, SameHostDaemon, seccompEnabled, NotUserNamespace) ensureSyscallTest(c) out, _, err := dockerCmdWithError("run", "syscall-test", "ns-test", "echo", "hello0") if err == nil || !strings.Contains(out, "Operation not permitted") { c.Fatalf("test 0: expected Operation not permitted, got: %s", out) } out, _, err = dockerCmdWithError("run", "--cap-add", "sys_admin", "syscall-test", "ns-test", "echo", "hello1") if err != nil || !strings.Contains(out, "hello1") { c.Fatalf("test 1: expected hello1, got: %s, %v", out, err) } out, _, err = dockerCmdWithError("run", "--cap-drop", "all", "--cap-add", "sys_admin", "syscall-test", "ns-test", "echo", "hello2") if err != nil || !strings.Contains(out, "hello2") { c.Fatalf("test 2: expected hello2, got: %s, %v", out, err) } out, _, err = dockerCmdWithError("run", "--cap-add", "ALL", "syscall-test", "ns-test", "echo", "hello3") if err != nil || !strings.Contains(out, "hello3") { c.Fatalf("test 3: expected hello3, got: %s, %v", out, err) } out, _, err = dockerCmdWithError("run", "--cap-add", "ALL", "--security-opt", "seccomp=unconfined", "syscall-test", "acct-test") if err == nil || !strings.Contains(out, "No such file or directory") { c.Fatalf("test 4: expected No such file or directory, got: %s", out) } out, _, err = dockerCmdWithError("run", "--cap-add", "ALL", "--security-opt", "seccomp=unconfined", "syscall-test", "ns-test", "echo", "hello4") if err != nil || !strings.Contains(out, "hello4") { c.Fatalf("test 5: expected hello4, got: %s, %v", out, err) } } // TestRunNoNewPrivSetuid checks that --security-opt=no-new-privileges prevents // effective uid transtions on executing setuid binaries. func (s *DockerSuite) TestRunNoNewPrivSetuid(c *check.C) { testRequires(c, DaemonIsLinux, NotUserNamespace, SameHostDaemon) ensureNNPTest(c) // test that running a setuid binary results in no effective uid transition runCmd := exec.Command(dockerBinary, "run", "--security-opt", "no-new-privileges", "--user", "1000", "nnp-test", "/usr/bin/nnp-test") if out, _, err := runCommandWithOutput(runCmd); err != nil || !strings.Contains(out, "EUID=1000") { c.Fatalf("expected output to contain EUID=1000, got %s: %v", out, err) } } func (s *DockerSuite) TestUserNoEffectiveCapabilitiesChown(c *check.C) { testRequires(c, DaemonIsLinux) ensureSyscallTest(c) // test that a root user has default capability CAP_CHOWN runCmd := exec.Command(dockerBinary, "run", "busybox", "chown", "100", "/tmp") _, _, err := runCommandWithOutput(runCmd) c.Assert(err, check.IsNil) // test that non root user does not have default capability CAP_CHOWN runCmd = exec.Command(dockerBinary, "run", "--user", "1000:1000", "busybox", "chown", "100", "/tmp") out, _, err := runCommandWithOutput(runCmd) c.Assert(err, checker.NotNil, check.Commentf(out)) c.Assert(out, checker.Contains, "Operation not permitted") // test that root user can drop default capability CAP_CHOWN runCmd = exec.Command(dockerBinary, "run", "--cap-drop", "chown", "busybox", "chown", "100", "/tmp") out, _, err = runCommandWithOutput(runCmd) c.Assert(err, checker.NotNil, check.Commentf(out)) c.Assert(out, checker.Contains, "Operation not permitted") } func (s *DockerSuite) TestUserNoEffectiveCapabilitiesDacOverride(c *check.C) { testRequires(c, DaemonIsLinux) ensureSyscallTest(c) // test that a root user has default capability CAP_DAC_OVERRIDE runCmd := exec.Command(dockerBinary, "run", "busybox", "sh", "-c", "echo test > /etc/passwd") _, _, err := runCommandWithOutput(runCmd) c.Assert(err, check.IsNil) // test that non root user does not have default capability CAP_DAC_OVERRIDE runCmd = exec.Command(dockerBinary, "run", "--user", "1000:1000", "busybox", "sh", "-c", "echo test > /etc/passwd") out, _, err := runCommandWithOutput(runCmd) c.Assert(err, checker.NotNil, check.Commentf(out)) c.Assert(out, checker.Contains, "Permission denied") // TODO test that root user can drop default capability CAP_DAC_OVERRIDE } func (s *DockerSuite) TestUserNoEffectiveCapabilitiesFowner(c *check.C) { testRequires(c, DaemonIsLinux) ensureSyscallTest(c) // test that a root user has default capability CAP_FOWNER runCmd := exec.Command(dockerBinary, "run", "busybox", "chmod", "777", "/etc/passwd") _, _, err := runCommandWithOutput(runCmd) c.Assert(err, check.IsNil) // test that non root user does not have default capability CAP_FOWNER runCmd = exec.Command(dockerBinary, "run", "--user", "1000:1000", "busybox", "chmod", "777", "/etc/passwd") out, _, err := runCommandWithOutput(runCmd) c.Assert(err, checker.NotNil, check.Commentf(out)) c.Assert(out, checker.Contains, "Operation not permitted") // TODO test that root user can drop default capability CAP_FOWNER } // TODO CAP_KILL func (s *DockerSuite) TestUserNoEffectiveCapabilitiesSetuid(c *check.C) { testRequires(c, DaemonIsLinux) ensureSyscallTest(c) // test that a root user has default capability CAP_SETUID runCmd := exec.Command(dockerBinary, "run", "syscall-test", "setuid-test") _, _, err := runCommandWithOutput(runCmd) c.Assert(err, check.IsNil) // test that non root user does not have default capability CAP_SETUID runCmd = exec.Command(dockerBinary, "run", "--user", "1000:1000", "syscall-test", "setuid-test") out, _, err := runCommandWithOutput(runCmd) c.Assert(err, checker.NotNil, check.Commentf(out)) c.Assert(out, checker.Contains, "Operation not permitted") // test that root user can drop default capability CAP_SETUID runCmd = exec.Command(dockerBinary, "run", "--cap-drop", "setuid", "syscall-test", "setuid-test") out, _, err = runCommandWithOutput(runCmd) c.Assert(err, checker.NotNil, check.Commentf(out)) c.Assert(out, checker.Contains, "Operation not permitted") } func (s *DockerSuite) TestUserNoEffectiveCapabilitiesSetgid(c *check.C) { testRequires(c, DaemonIsLinux) ensureSyscallTest(c) // test that a root user has default capability CAP_SETGID runCmd := exec.Command(dockerBinary, "run", "syscall-test", "setgid-test") _, _, err := runCommandWithOutput(runCmd) c.Assert(err, check.IsNil) // test that non root user does not have default capability CAP_SETGID runCmd = exec.Command(dockerBinary, "run", "--user", "1000:1000", "syscall-test", "setgid-test") out, _, err := runCommandWithOutput(runCmd) c.Assert(err, checker.NotNil, check.Commentf(out)) c.Assert(out, checker.Contains, "Operation not permitted") // test that root user can drop default capability CAP_SETGID runCmd = exec.Command(dockerBinary, "run", "--cap-drop", "setgid", "syscall-test", "setgid-test") out, _, err = runCommandWithOutput(runCmd) c.Assert(err, checker.NotNil, check.Commentf(out)) c.Assert(out, checker.Contains, "Operation not permitted") } // TODO CAP_SETPCAP func (s *DockerSuite) TestUserNoEffectiveCapabilitiesNetBindService(c *check.C) { testRequires(c, DaemonIsLinux) ensureSyscallTest(c) // test that a root user has default capability CAP_NET_BIND_SERVICE runCmd := exec.Command(dockerBinary, "run", "syscall-test", "socket-test") _, _, err := runCommandWithOutput(runCmd) c.Assert(err, check.IsNil) // test that non root user does not have default capability CAP_NET_BIND_SERVICE runCmd = exec.Command(dockerBinary, "run", "--user", "1000:1000", "syscall-test", "socket-test") out, _, err := runCommandWithOutput(runCmd) c.Assert(err, checker.NotNil, check.Commentf(out)) c.Assert(out, checker.Contains, "Permission denied") // test that root user can drop default capability CAP_NET_BIND_SERVICE runCmd = exec.Command(dockerBinary, "run", "--cap-drop", "net_bind_service", "syscall-test", "socket-test") out, _, err = runCommandWithOutput(runCmd) c.Assert(err, checker.NotNil, check.Commentf(out)) c.Assert(out, checker.Contains, "Permission denied") } func (s *DockerSuite) TestUserNoEffectiveCapabilitiesNetRaw(c *check.C) { testRequires(c, DaemonIsLinux) ensureSyscallTest(c) // test that a root user has default capability CAP_NET_RAW runCmd := exec.Command(dockerBinary, "run", "syscall-test", "raw-test") _, _, err := runCommandWithOutput(runCmd) c.Assert(err, check.IsNil) // test that non root user does not have default capability CAP_NET_RAW runCmd = exec.Command(dockerBinary, "run", "--user", "1000:1000", "syscall-test", "raw-test") out, _, err := runCommandWithOutput(runCmd) c.Assert(err, checker.NotNil, check.Commentf(out)) c.Assert(out, checker.Contains, "Operation not permitted") // test that root user can drop default capability CAP_NET_RAW runCmd = exec.Command(dockerBinary, "run", "--cap-drop", "net_raw", "syscall-test", "raw-test") out, _, err = runCommandWithOutput(runCmd) c.Assert(err, checker.NotNil, check.Commentf(out)) c.Assert(out, checker.Contains, "Operation not permitted") } func (s *DockerSuite) TestUserNoEffectiveCapabilitiesChroot(c *check.C) { testRequires(c, DaemonIsLinux) ensureSyscallTest(c) // test that a root user has default capability CAP_SYS_CHROOT runCmd := exec.Command(dockerBinary, "run", "busybox", "chroot", "/", "/bin/true") _, _, err := runCommandWithOutput(runCmd) c.Assert(err, check.IsNil) // test that non root user does not have default capability CAP_SYS_CHROOT runCmd = exec.Command(dockerBinary, "run", "--user", "1000:1000", "busybox", "chroot", "/", "/bin/true") out, _, err := runCommandWithOutput(runCmd) c.Assert(err, checker.NotNil, check.Commentf(out)) c.Assert(out, checker.Contains, "Operation not permitted") // test that root user can drop default capability CAP_SYS_CHROOT runCmd = exec.Command(dockerBinary, "run", "--cap-drop", "sys_chroot", "busybox", "chroot", "/", "/bin/true") out, _, err = runCommandWithOutput(runCmd) c.Assert(err, checker.NotNil, check.Commentf(out)) c.Assert(out, checker.Contains, "Operation not permitted") } func (s *DockerSuite) TestUserNoEffectiveCapabilitiesMknod(c *check.C) { testRequires(c, DaemonIsLinux, NotUserNamespace) ensureSyscallTest(c) // test that a root user has default capability CAP_MKNOD runCmd := exec.Command(dockerBinary, "run", "busybox", "mknod", "/tmp/node", "b", "1", "2") _, _, err := runCommandWithOutput(runCmd) c.Assert(err, check.IsNil) // test that non root user does not have default capability CAP_MKNOD runCmd = exec.Command(dockerBinary, "run", "--user", "1000:1000", "busybox", "mknod", "/tmp/node", "b", "1", "2") out, _, err := runCommandWithOutput(runCmd) c.Assert(err, checker.NotNil, check.Commentf(out)) c.Assert(out, checker.Contains, "Operation not permitted") // test that root user can drop default capability CAP_MKNOD runCmd = exec.Command(dockerBinary, "run", "--cap-drop", "mknod", "busybox", "mknod", "/tmp/node", "b", "1", "2") out, _, err = runCommandWithOutput(runCmd) c.Assert(err, checker.NotNil, check.Commentf(out)) c.Assert(out, checker.Contains, "Operation not permitted") } // TODO CAP_AUDIT_WRITE // TODO CAP_SETFCAP func (s *DockerSuite) TestRunApparmorProcDirectory(c *check.C) { testRequires(c, SameHostDaemon, Apparmor) // running w seccomp unconfined tests the apparmor profile runCmd := exec.Command(dockerBinary, "run", "--security-opt", "seccomp=unconfined", "busybox", "chmod", "777", "/proc/1/cgroup") if out, _, err := runCommandWithOutput(runCmd); err == nil || !(strings.Contains(out, "Permission denied") || strings.Contains(out, "Operation not permitted")) { c.Fatalf("expected chmod 777 /proc/1/cgroup to fail, got %s: %v", out, err) } runCmd = exec.Command(dockerBinary, "run", "--security-opt", "seccomp=unconfined", "busybox", "chmod", "777", "/proc/1/attr/current") if out, _, err := runCommandWithOutput(runCmd); err == nil || !(strings.Contains(out, "Permission denied") || strings.Contains(out, "Operation not permitted")) { c.Fatalf("expected chmod 777 /proc/1/attr/current to fail, got %s: %v", out, err) } } // make sure the default profile can be successfully parsed (using unshare as it is // something which we know is blocked in the default profile) func (s *DockerSuite) TestRunSeccompWithDefaultProfile(c *check.C) { testRequires(c, SameHostDaemon, seccompEnabled) out, _, err := dockerCmdWithError("run", "--security-opt", "seccomp=../profiles/seccomp/default.json", "debian:jessie", "unshare", "--map-root-user", "--user", "sh", "-c", "whoami") c.Assert(err, checker.NotNil, check.Commentf(out)) c.Assert(strings.TrimSpace(out), checker.Equals, "unshare: unshare failed: Operation not permitted") } // TestRunDeviceSymlink checks run with device that follows symlink (#13840 and #22271) func (s *DockerSuite) TestRunDeviceSymlink(c *check.C) { testRequires(c, DaemonIsLinux, NotUserNamespace, NotArm, SameHostDaemon) if _, err := os.Stat("/dev/zero"); err != nil { c.Skip("Host does not have /dev/zero") } // Create a temporary directory to create symlink tmpDir, err := ioutil.TempDir("", "docker_device_follow_symlink_tests") c.Assert(err, checker.IsNil) defer os.RemoveAll(tmpDir) // Create a symbolic link to /dev/zero symZero := filepath.Join(tmpDir, "zero") err = os.Symlink("/dev/zero", symZero) c.Assert(err, checker.IsNil) // Create a temporary file "temp" inside tmpDir, write some data to "tmpDir/temp", // then create a symlink "tmpDir/file" to the temporary file "tmpDir/temp". tmpFile := filepath.Join(tmpDir, "temp") err = ioutil.WriteFile(tmpFile, []byte("temp"), 0666) c.Assert(err, checker.IsNil) symFile := filepath.Join(tmpDir, "file") err = os.Symlink(tmpFile, symFile) c.Assert(err, checker.IsNil) // Create a symbolic link to /dev/zero, this time with a relative path (#22271) err = os.Symlink("zero", "/dev/symzero") if err != nil { c.Fatal("/dev/symzero creation failed") } // We need to remove this symbolic link here as it is created in /dev/, not temporary directory as above defer os.Remove("/dev/symzero") // md5sum of 'dd if=/dev/zero bs=4K count=8' is bb7df04e1b0a2570657527a7e108ae23 out, _ := dockerCmd(c, "run", "--device", symZero+":/dev/symzero", "busybox", "sh", "-c", "dd if=/dev/symzero bs=4K count=8 | md5sum") c.Assert(strings.Trim(out, "\r\n"), checker.Contains, "bb7df04e1b0a2570657527a7e108ae23", check.Commentf("expected output bb7df04e1b0a2570657527a7e108ae23")) // symlink "tmpDir/file" to a file "tmpDir/temp" will result in an error as it is not a device. out, _, err = dockerCmdWithError("run", "--device", symFile+":/dev/symzero", "busybox", "sh", "-c", "dd if=/dev/symzero bs=4K count=8 | md5sum") c.Assert(err, check.NotNil) c.Assert(strings.Trim(out, "\r\n"), checker.Contains, "not a device node", check.Commentf("expected output 'not a device node'")) // md5sum of 'dd if=/dev/zero bs=4K count=8' is bb7df04e1b0a2570657527a7e108ae23 (this time check with relative path backed, see #22271) out, _ = dockerCmd(c, "run", "--device", "/dev/symzero:/dev/symzero", "busybox", "sh", "-c", "dd if=/dev/symzero bs=4K count=8 | md5sum") c.Assert(strings.Trim(out, "\r\n"), checker.Contains, "bb7df04e1b0a2570657527a7e108ae23", check.Commentf("expected output bb7df04e1b0a2570657527a7e108ae23")) } // TestRunPIDsLimit makes sure the pids cgroup is set with --pids-limit func (s *DockerSuite) TestRunPIDsLimit(c *check.C) { testRequires(c, pidsLimit) file := "/sys/fs/cgroup/pids/pids.max" out, _ := dockerCmd(c, "run", "--name", "skittles", "--pids-limit", "4", "busybox", "cat", file) c.Assert(strings.TrimSpace(out), checker.Equals, "4") out = inspectField(c, "skittles", "HostConfig.PidsLimit") c.Assert(out, checker.Equals, "4", check.Commentf("setting the pids limit failed")) } func (s *DockerSuite) TestRunPrivilegedAllowedDevices(c *check.C) { testRequires(c, DaemonIsLinux, NotUserNamespace) file := "/sys/fs/cgroup/devices/devices.list" out, _ := dockerCmd(c, "run", "--privileged", "busybox", "cat", file) c.Logf("out: %q", out) c.Assert(strings.TrimSpace(out), checker.Equals, "a *:* rwm") } func (s *DockerSuite) TestRunUserDeviceAllowed(c *check.C) { testRequires(c, DaemonIsLinux) fi, err := os.Stat("/dev/snd/timer") if err != nil { c.Skip("Host does not have /dev/snd/timer") } stat, ok := fi.Sys().(*syscall.Stat_t) if !ok { c.Skip("Could not stat /dev/snd/timer") } file := "/sys/fs/cgroup/devices/devices.list" out, _ := dockerCmd(c, "run", "--device", "/dev/snd/timer:w", "busybox", "cat", file) c.Assert(out, checker.Contains, fmt.Sprintf("c %d:%d w", stat.Rdev/256, stat.Rdev%256)) } func (s *DockerDaemonSuite) TestRunSeccompJSONNewFormat(c *check.C) { testRequires(c, SameHostDaemon, seccompEnabled) err := s.d.StartWithBusybox() c.Assert(err, check.IsNil) jsonData := `{ "defaultAction": "SCMP_ACT_ALLOW", "syscalls": [ { "names": ["chmod", "fchmod", "fchmodat"], "action": "SCMP_ACT_ERRNO" } ] }` tmpFile, err := ioutil.TempFile("", "profile.json") c.Assert(err, check.IsNil) defer tmpFile.Close() _, err = tmpFile.Write([]byte(jsonData)) c.Assert(err, check.IsNil) out, err := s.d.Cmd("run", "--security-opt", "seccomp="+tmpFile.Name(), "busybox", "chmod", "777", ".") c.Assert(err, check.NotNil) c.Assert(out, checker.Contains, "Operation not permitted") } func (s *DockerDaemonSuite) TestRunSeccompJSONNoNameAndNames(c *check.C) { testRequires(c, SameHostDaemon, seccompEnabled) err := s.d.StartWithBusybox() c.Assert(err, check.IsNil) jsonData := `{ "defaultAction": "SCMP_ACT_ALLOW", "syscalls": [ { "name": "chmod", "names": ["fchmod", "fchmodat"], "action": "SCMP_ACT_ERRNO" } ] }` tmpFile, err := ioutil.TempFile("", "profile.json") c.Assert(err, check.IsNil) defer tmpFile.Close() _, err = tmpFile.Write([]byte(jsonData)) c.Assert(err, check.IsNil) out, err := s.d.Cmd("run", "--security-opt", "seccomp="+tmpFile.Name(), "busybox", "chmod", "777", ".") c.Assert(err, check.NotNil) c.Assert(out, checker.Contains, "'name' and 'names' were specified in the seccomp profile, use either 'name' or 'names'") } func (s *DockerDaemonSuite) TestRunSeccompJSONNoArchAndArchMap(c *check.C) { testRequires(c, SameHostDaemon, seccompEnabled) err := s.d.StartWithBusybox() c.Assert(err, check.IsNil) jsonData := `{ "archMap": [ { "architecture": "SCMP_ARCH_X86_64", "subArchitectures": [ "SCMP_ARCH_X86", "SCMP_ARCH_X32" ] } ], "architectures": [ "SCMP_ARCH_X32" ], "defaultAction": "SCMP_ACT_ALLOW", "syscalls": [ { "names": ["chmod", "fchmod", "fchmodat"], "action": "SCMP_ACT_ERRNO" } ] }` tmpFile, err := ioutil.TempFile("", "profile.json") c.Assert(err, check.IsNil) defer tmpFile.Close() _, err = tmpFile.Write([]byte(jsonData)) c.Assert(err, check.IsNil) out, err := s.d.Cmd("run", "--security-opt", "seccomp="+tmpFile.Name(), "busybox", "chmod", "777", ".") c.Assert(err, check.NotNil) c.Assert(out, checker.Contains, "'architectures' and 'archMap' were specified in the seccomp profile, use either 'architectures' or 'archMap'") } func (s *DockerDaemonSuite) TestRunWithDaemonDefaultSeccompProfile(c *check.C) { testRequires(c, SameHostDaemon, seccompEnabled) err := s.d.StartWithBusybox() c.Assert(err, check.IsNil) // 1) verify I can run containers with the Docker default shipped profile which allows chmod _, err = s.d.Cmd("run", "busybox", "chmod", "777", ".") c.Assert(err, check.IsNil) jsonData := `{ "defaultAction": "SCMP_ACT_ALLOW", "syscalls": [ { "name": "chmod", "action": "SCMP_ACT_ERRNO" } ] }` tmpFile, err := ioutil.TempFile("", "profile.json") c.Assert(err, check.IsNil) defer tmpFile.Close() _, err = tmpFile.Write([]byte(jsonData)) c.Assert(err, check.IsNil) // 2) restart the daemon and add a custom seccomp profile in which we deny chmod err = s.d.Restart("--seccomp-profile=" + tmpFile.Name()) c.Assert(err, check.IsNil) out, err := s.d.Cmd("run", "busybox", "chmod", "777", ".") c.Assert(err, check.NotNil) c.Assert(out, checker.Contains, "Operation not permitted") } func (s *DockerSuite) TestRunWithNanoCPUs(c *check.C) { testRequires(c, cpuCfsQuota, cpuCfsPeriod) file1 := "/sys/fs/cgroup/cpu/cpu.cfs_quota_us" file2 := "/sys/fs/cgroup/cpu/cpu.cfs_period_us" out, _ := dockerCmd(c, "run", "--cpus", "0.5", "--name", "test", "busybox", "sh", "-c", fmt.Sprintf("cat %s && cat %s", file1, file2)) c.Assert(strings.TrimSpace(out), checker.Equals, "50000\n100000") out = inspectField(c, "test", "HostConfig.NanoCpus") c.Assert(out, checker.Equals, "5e+08", check.Commentf("setting the Nano CPUs failed")) out = inspectField(c, "test", "HostConfig.CpuQuota") c.Assert(out, checker.Equals, "0", check.Commentf("CPU CFS quota should be 0")) out = inspectField(c, "test", "HostConfig.CpuPeriod") c.Assert(out, checker.Equals, "0", check.Commentf("CPU CFS period should be 0")) out, _, err := dockerCmdWithError("run", "--cpus", "0.5", "--cpu-quota", "50000", "--cpu-period", "100000", "busybox", "sh") c.Assert(err, check.NotNil) c.Assert(out, checker.Contains, "Conflicting options: Nano CPUs and CPU Period cannot both be set") }