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ccd4436fc46dec671c45dcf69fa8c51a283b3fe5
runc/libcontainer/cgroups/fs/apply_raw_test.go
Akihiro Suda ccd4436fc4 .travis.yml: add Fedora 31 vagrant box (for cgroup2) 
As the baby step, only unit tests are executed.

Failing tests are currently skipped and will be fixed in follow-up PRs.

Fix #2124

Signed-off-by: Akihiro Suda <akihiro.suda.cz@hco.ntt.co.jp>
2019-10-31 16:53:01 +09:00

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// +build linux
package fs
import (
"path/filepath"
"strings"
"testing"
"github.com/opencontainers/runc/libcontainer/cgroups"
"github.com/opencontainers/runc/libcontainer/configs"
)
func TestInvalidCgroupPath(t *testing.T) {
if cgroups.IsCgroup2UnifiedMode() {
t.Skip("cgroup v1 is not supported")
}
root, err := getCgroupRoot()
if err != nil {
t.Errorf("couldn't get cgroup root: %v", err)
}
config := &configs.Cgroup{
Path: "../../../../../../../../../../some/path",
}
data, err := getCgroupData(config, 0)
if err != nil {
t.Errorf("couldn't get cgroup data: %v", err)
}
// Make sure the final innerPath doesn't go outside the cgroup mountpoint.
if strings.HasPrefix(data.innerPath, "..") {
t.Errorf("SECURITY: cgroup innerPath is outside cgroup mountpoint!")
}
// Double-check, using an actual cgroup.
deviceRoot := filepath.Join(root, "devices")
devicePath, err := data.path("devices")
if err != nil {
t.Errorf("couldn't get cgroup path: %v", err)
}
if !strings.HasPrefix(devicePath, deviceRoot) {
t.Errorf("SECURITY: cgroup path() is outside cgroup mountpoint!")
}
}
func TestInvalidAbsoluteCgroupPath(t *testing.T) {
if cgroups.IsCgroup2UnifiedMode() {
t.Skip("cgroup v1 is not supported")
}
root, err := getCgroupRoot()
if err != nil {
t.Errorf("couldn't get cgroup root: %v", err)
}
config := &configs.Cgroup{
Path: "/../../../../../../../../../../some/path",
}
data, err := getCgroupData(config, 0)
if err != nil {
t.Errorf("couldn't get cgroup data: %v", err)
}
// Make sure the final innerPath doesn't go outside the cgroup mountpoint.
if strings.HasPrefix(data.innerPath, "..") {
t.Errorf("SECURITY: cgroup innerPath is outside cgroup mountpoint!")
}
// Double-check, using an actual cgroup.
deviceRoot := filepath.Join(root, "devices")
devicePath, err := data.path("devices")
if err != nil {
t.Errorf("couldn't get cgroup path: %v", err)
}
if !strings.HasPrefix(devicePath, deviceRoot) {
t.Errorf("SECURITY: cgroup path() is outside cgroup mountpoint!")
}
}
// XXX: Remove me after we get rid of configs.Cgroup.Name and configs.Cgroup.Parent.
func TestInvalidCgroupParent(t *testing.T) {
if cgroups.IsCgroup2UnifiedMode() {
t.Skip("cgroup v1 is not supported")
}
root, err := getCgroupRoot()
if err != nil {
t.Errorf("couldn't get cgroup root: %v", err)
}
config := &configs.Cgroup{
Parent: "../../../../../../../../../../some/path",
Name: "name",
}
data, err := getCgroupData(config, 0)
if err != nil {
t.Errorf("couldn't get cgroup data: %v", err)
}
// Make sure the final innerPath doesn't go outside the cgroup mountpoint.
if strings.HasPrefix(data.innerPath, "..") {
t.Errorf("SECURITY: cgroup innerPath is outside cgroup mountpoint!")
}
// Double-check, using an actual cgroup.
deviceRoot := filepath.Join(root, "devices")
devicePath, err := data.path("devices")
if err != nil {
t.Errorf("couldn't get cgroup path: %v", err)
}
if !strings.HasPrefix(devicePath, deviceRoot) {
t.Errorf("SECURITY: cgroup path() is outside cgroup mountpoint!")
}
}
// XXX: Remove me after we get rid of configs.Cgroup.Name and configs.Cgroup.Parent.
func TestInvalidAbsoluteCgroupParent(t *testing.T) {
if cgroups.IsCgroup2UnifiedMode() {
t.Skip("cgroup v1 is not supported")
}
root, err := getCgroupRoot()
if err != nil {
t.Errorf("couldn't get cgroup root: %v", err)
}
config := &configs.Cgroup{
Parent: "/../../../../../../../../../../some/path",
Name: "name",
}
data, err := getCgroupData(config, 0)
if err != nil {
t.Errorf("couldn't get cgroup data: %v", err)
}
// Make sure the final innerPath doesn't go outside the cgroup mountpoint.
if strings.HasPrefix(data.innerPath, "..") {
t.Errorf("SECURITY: cgroup innerPath is outside cgroup mountpoint!")
}
// Double-check, using an actual cgroup.
deviceRoot := filepath.Join(root, "devices")
devicePath, err := data.path("devices")
if err != nil {
t.Errorf("couldn't get cgroup path: %v", err)
}
if !strings.HasPrefix(devicePath, deviceRoot) {
t.Errorf("SECURITY: cgroup path() is outside cgroup mountpoint!")
}
}
// XXX: Remove me after we get rid of configs.Cgroup.Name and configs.Cgroup.Parent.
func TestInvalidCgroupName(t *testing.T) {
if cgroups.IsCgroup2UnifiedMode() {
t.Skip("cgroup v1 is not supported")
}
root, err := getCgroupRoot()
if err != nil {
t.Errorf("couldn't get cgroup root: %v", err)
}
config := &configs.Cgroup{
Parent: "parent",
Name: "../../../../../../../../../../some/path",
}
data, err := getCgroupData(config, 0)
if err != nil {
t.Errorf("couldn't get cgroup data: %v", err)
}
// Make sure the final innerPath doesn't go outside the cgroup mountpoint.
if strings.HasPrefix(data.innerPath, "..") {
t.Errorf("SECURITY: cgroup innerPath is outside cgroup mountpoint!")
}
// Double-check, using an actual cgroup.
deviceRoot := filepath.Join(root, "devices")
devicePath, err := data.path("devices")
if err != nil {
t.Errorf("couldn't get cgroup path: %v", err)
}
if !strings.HasPrefix(devicePath, deviceRoot) {
t.Errorf("SECURITY: cgroup path() is outside cgroup mountpoint!")
}
}
// XXX: Remove me after we get rid of configs.Cgroup.Name and configs.Cgroup.Parent.
func TestInvalidAbsoluteCgroupName(t *testing.T) {
if cgroups.IsCgroup2UnifiedMode() {
t.Skip("cgroup v1 is not supported")
}
root, err := getCgroupRoot()
if err != nil {
t.Errorf("couldn't get cgroup root: %v", err)
}
config := &configs.Cgroup{
Parent: "parent",
Name: "/../../../../../../../../../../some/path",
}
data, err := getCgroupData(config, 0)
if err != nil {
t.Errorf("couldn't get cgroup data: %v", err)
}
// Make sure the final innerPath doesn't go outside the cgroup mountpoint.
if strings.HasPrefix(data.innerPath, "..") {
t.Errorf("SECURITY: cgroup innerPath is outside cgroup mountpoint!")
}
// Double-check, using an actual cgroup.
deviceRoot := filepath.Join(root, "devices")
devicePath, err := data.path("devices")
if err != nil {
t.Errorf("couldn't get cgroup path: %v", err)
}
if !strings.HasPrefix(devicePath, deviceRoot) {
t.Errorf("SECURITY: cgroup path() is outside cgroup mountpoint!")
}
}
// XXX: Remove me after we get rid of configs.Cgroup.Name and configs.Cgroup.Parent.
func TestInvalidCgroupNameAndParent(t *testing.T) {
if cgroups.IsCgroup2UnifiedMode() {
t.Skip("cgroup v1 is not supported")
}
root, err := getCgroupRoot()
if err != nil {
t.Errorf("couldn't get cgroup root: %v", err)
}
config := &configs.Cgroup{
Parent: "../../../../../../../../../../some/path",
Name: "../../../../../../../../../../some/path",
}
data, err := getCgroupData(config, 0)
if err != nil {
t.Errorf("couldn't get cgroup data: %v", err)
}
// Make sure the final innerPath doesn't go outside the cgroup mountpoint.
if strings.HasPrefix(data.innerPath, "..") {
t.Errorf("SECURITY: cgroup innerPath is outside cgroup mountpoint!")
}
// Double-check, using an actual cgroup.
deviceRoot := filepath.Join(root, "devices")
devicePath, err := data.path("devices")
if err != nil {
t.Errorf("couldn't get cgroup path: %v", err)
}
if !strings.HasPrefix(devicePath, deviceRoot) {
t.Errorf("SECURITY: cgroup path() is outside cgroup mountpoint!")
}
}
// XXX: Remove me after we get rid of configs.Cgroup.Name and configs.Cgroup.Parent.
func TestInvalidAbsoluteCgroupNameAndParent(t *testing.T) {
if cgroups.IsCgroup2UnifiedMode() {
t.Skip("cgroup v1 is not supported")
}
root, err := getCgroupRoot()
if err != nil {
t.Errorf("couldn't get cgroup root: %v", err)
}
config := &configs.Cgroup{
Parent: "/../../../../../../../../../../some/path",
Name: "/../../../../../../../../../../some/path",
}
data, err := getCgroupData(config, 0)
if err != nil {
t.Errorf("couldn't get cgroup data: %v", err)
}
// Make sure the final innerPath doesn't go outside the cgroup mountpoint.
if strings.HasPrefix(data.innerPath, "..") {
t.Errorf("SECURITY: cgroup innerPath is outside cgroup mountpoint!")
}
// Double-check, using an actual cgroup.
deviceRoot := filepath.Join(root, "devices")
devicePath, err := data.path("devices")
if err != nil {
t.Errorf("couldn't get cgroup path: %v", err)
}
if !strings.HasPrefix(devicePath, deviceRoot) {
t.Errorf("SECURITY: cgroup path() is outside cgroup mountpoint!")
}
}
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