9d7392a5be
One fd leak found in TestMountBackground.
451 lines
11 KiB
Go
451 lines
11 KiB
Go
package cli
|
|
|
|
// Test CLI operations like "-init", "-password" etc
|
|
|
|
import (
|
|
"fmt"
|
|
"io/ioutil"
|
|
"os"
|
|
"os/exec"
|
|
"syscall"
|
|
"testing"
|
|
"time"
|
|
|
|
"github.com/rfjakob/gocryptfs/internal/configfile"
|
|
"github.com/rfjakob/gocryptfs/internal/exitcodes"
|
|
|
|
"github.com/rfjakob/gocryptfs/tests/test_helpers"
|
|
)
|
|
|
|
var testPw = []byte("test")
|
|
|
|
func TestMain(m *testing.M) {
|
|
test_helpers.ResetTmpDir(false)
|
|
before := test_helpers.ListFds()
|
|
r := m.Run()
|
|
after := test_helpers.ListFds()
|
|
if len(before) != len(after) {
|
|
fmt.Printf("fd leak? before, after:\n%v\n%v\n", before, after)
|
|
os.Exit(1)
|
|
}
|
|
os.Exit(r)
|
|
}
|
|
|
|
// Test -init flag
|
|
func TestInit(t *testing.T) {
|
|
dir := test_helpers.InitFS(t)
|
|
_, c, err := configfile.LoadConfFile(dir+"/"+configfile.ConfDefaultName, testPw)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
if c.IsFeatureFlagSet(configfile.FlagAESSIV) {
|
|
t.Error("AESSIV flag should not be set")
|
|
}
|
|
}
|
|
|
|
// Test -init with -devrandom flag
|
|
func TestInitDevRandom(t *testing.T) {
|
|
test_helpers.InitFS(t, "-devrandom")
|
|
}
|
|
|
|
// Test -init with -aessiv
|
|
func TestInitAessiv(t *testing.T) {
|
|
dir := test_helpers.InitFS(t, "-aessiv")
|
|
_, c, err := configfile.LoadConfFile(dir+"/"+configfile.ConfDefaultName, testPw)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
if !c.IsFeatureFlagSet(configfile.FlagAESSIV) {
|
|
t.Error("AESSIV flag should be set but is not")
|
|
}
|
|
}
|
|
|
|
// Test -init with -reverse
|
|
func TestInitReverse(t *testing.T) {
|
|
dir := test_helpers.InitFS(t, "-reverse")
|
|
_, c, err := configfile.LoadConfFile(dir+"/"+configfile.ConfReverseName, testPw)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
if !c.IsFeatureFlagSet(configfile.FlagAESSIV) {
|
|
t.Error("AESSIV flag should be set but is not")
|
|
}
|
|
}
|
|
|
|
func testPasswd(t *testing.T, dir string, extraArgs ...string) {
|
|
// Change password using "-extpass"
|
|
args := []string{"-q", "-passwd", "-extpass", "echo test"}
|
|
args = append(args, extraArgs...)
|
|
args = append(args, dir)
|
|
cmd := exec.Command(test_helpers.GocryptfsBinary, args...)
|
|
cmd.Stdout = os.Stdout
|
|
cmd.Stderr = os.Stderr
|
|
err := cmd.Run()
|
|
if err != nil {
|
|
t.Error(err)
|
|
}
|
|
// Change password using stdin
|
|
args = []string{"-q", "-passwd"}
|
|
args = append(args, extraArgs...)
|
|
args = append(args, dir)
|
|
cmd = exec.Command(test_helpers.GocryptfsBinary, args...)
|
|
cmd.Stdout = os.Stdout
|
|
cmd.Stderr = os.Stderr
|
|
p, err := cmd.StdinPipe()
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
err = cmd.Start()
|
|
if err != nil {
|
|
t.Error(err)
|
|
}
|
|
// Old password
|
|
p.Write([]byte("test\n"))
|
|
// New password
|
|
p.Write([]byte("newpasswd\n"))
|
|
p.Close()
|
|
err = cmd.Wait()
|
|
if err != nil {
|
|
t.Error(err)
|
|
}
|
|
}
|
|
|
|
// Test -passwd flag
|
|
func TestPasswd(t *testing.T) {
|
|
// Create FS
|
|
dir := test_helpers.InitFS(t)
|
|
mnt := dir + ".mnt"
|
|
// Add content
|
|
test_helpers.MountOrFatal(t, dir, mnt, "-extpass", "echo test")
|
|
file1 := mnt + "/file1"
|
|
err := ioutil.WriteFile(file1, []byte("somecontent"), 0600)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
err = test_helpers.UnmountErr(mnt)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
// Change password to "newpasswd"
|
|
testPasswd(t, dir)
|
|
// Mount and verify
|
|
test_helpers.MountOrFatal(t, dir, mnt, "-extpass", "echo newpasswd")
|
|
content, err := ioutil.ReadFile(file1)
|
|
if err != nil {
|
|
t.Error(err)
|
|
} else if string(content) != "somecontent" {
|
|
t.Errorf("wrong content: %q", string(content))
|
|
}
|
|
err = test_helpers.UnmountErr(mnt)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
}
|
|
|
|
// Test -passwd with -masterkey
|
|
func TestPasswdMasterkey(t *testing.T) {
|
|
// Create FS
|
|
dir := test_helpers.InitFS(t)
|
|
// Overwrite with config with known master key
|
|
conf, err := ioutil.ReadFile("gocryptfs.conf.b9e5ba23")
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
syscall.Unlink(dir + "/gocryptfs.conf")
|
|
err = ioutil.WriteFile(dir+"/gocryptfs.conf", conf, 0600)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
// Add content
|
|
mnt := dir + ".mnt"
|
|
test_helpers.MountOrFatal(t, dir, mnt, "-extpass", "echo test")
|
|
file1 := mnt + "/file1"
|
|
err = ioutil.WriteFile(file1, []byte("somecontent"), 0600)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
test_helpers.UnmountPanic(mnt)
|
|
// Change password using stdin
|
|
args := []string{"-q", "-passwd", "-masterkey",
|
|
"b9e5ba23-981a22b8-c8d790d8-627add29-f680513f-b7b7035f-d203fb83-21d82205"}
|
|
args = append(args, dir)
|
|
cmd := exec.Command(test_helpers.GocryptfsBinary, args...)
|
|
cmd.Stdout = os.Stdout
|
|
cmd.Stderr = os.Stderr
|
|
p, err := cmd.StdinPipe()
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
err = cmd.Start()
|
|
if err != nil {
|
|
t.Error(err)
|
|
}
|
|
// New password
|
|
p.Write([]byte("newpasswd\n"))
|
|
p.Close()
|
|
err = cmd.Wait()
|
|
if err != nil {
|
|
t.Error(err)
|
|
}
|
|
// Mount and verify
|
|
test_helpers.MountOrFatal(t, dir, mnt, "-extpass", "echo newpasswd")
|
|
content, err := ioutil.ReadFile(file1)
|
|
if err != nil {
|
|
t.Error(err)
|
|
} else if string(content) != "somecontent" {
|
|
t.Errorf("wrong content: %q", string(content))
|
|
}
|
|
test_helpers.UnmountPanic(mnt)
|
|
}
|
|
|
|
// Test -passwd with -reverse
|
|
func TestPasswdReverse(t *testing.T) {
|
|
// Create FS
|
|
dir := test_helpers.InitFS(t, "-reverse")
|
|
testPasswd(t, dir, "-reverse")
|
|
}
|
|
|
|
// Test -init & -config flag
|
|
func TestInitConfig(t *testing.T) {
|
|
config := test_helpers.TmpDir + "/TestInitConfig.conf"
|
|
dir := test_helpers.InitFS(t, "-config="+config)
|
|
|
|
_, err := os.Stat(config)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
// Test -passwd & -config
|
|
cmd2 := exec.Command(test_helpers.GocryptfsBinary, "-q", "-passwd", "-extpass", "echo test",
|
|
"-config", config, dir)
|
|
cmd2.Stdout = os.Stdout
|
|
cmd2.Stderr = os.Stderr
|
|
err = cmd2.Run()
|
|
if err != nil {
|
|
t.Error(err)
|
|
}
|
|
}
|
|
|
|
// Test -ro
|
|
func TestRo(t *testing.T) {
|
|
dir := test_helpers.InitFS(t)
|
|
mnt := dir + ".mnt"
|
|
test_helpers.MountOrFatal(t, dir, mnt, "-ro", "-extpass=echo test")
|
|
defer test_helpers.UnmountPanic(mnt)
|
|
|
|
file := mnt + "/file"
|
|
err := os.Mkdir(file, 0777)
|
|
if err == nil {
|
|
t.Errorf("Mkdir should have failed")
|
|
}
|
|
_, err = os.Create(file)
|
|
if err == nil {
|
|
t.Errorf("Create should have failed")
|
|
}
|
|
}
|
|
|
|
// Test "-nonempty"
|
|
func TestNonempty(t *testing.T) {
|
|
dir := test_helpers.InitFS(t)
|
|
mnt := dir + ".mnt"
|
|
err := os.Mkdir(mnt, 0700)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
err = ioutil.WriteFile(mnt+"/somefile", []byte("xyz"), 0600)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
err = test_helpers.Mount(dir, mnt, false, "-extpass=echo test")
|
|
if err == nil {
|
|
t.Errorf("Mounting over a file should fail per default")
|
|
}
|
|
// Should work with "-nonempty"
|
|
test_helpers.MountOrFatal(t, dir, mnt, "-nonempty", "-extpass=echo test")
|
|
test_helpers.UnmountPanic(mnt)
|
|
}
|
|
|
|
// Test "mountpoint shadows cipherdir" handling
|
|
func TestShadows(t *testing.T) {
|
|
mnt := test_helpers.InitFS(t)
|
|
cipher := mnt + ".cipher"
|
|
err := os.Rename(mnt, cipher)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
// This should work
|
|
// (note that MountOrFatal creates "mnt" again)
|
|
test_helpers.MountOrFatal(t, cipher, mnt, "-extpass=echo test")
|
|
test_helpers.UnmountPanic(mnt)
|
|
cipher2 := mnt + "/cipher"
|
|
err = os.Rename(cipher, cipher2)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
// This should fail
|
|
err = test_helpers.Mount(cipher2, mnt, false, "-extpass=echo test")
|
|
if err == nil {
|
|
t.Errorf("Should have failed")
|
|
}
|
|
}
|
|
|
|
// TestInitTrailingGarbage verfies that gocryptfs exits with an error if we
|
|
// pass additional data after the password.
|
|
func TestInitTrailingGarbage(t *testing.T) {
|
|
table := []struct {
|
|
pw string
|
|
closeStdin bool
|
|
expectSuccess bool
|
|
}{
|
|
{"foo\n", false, true},
|
|
{"foo", true, true},
|
|
{"foo\n", true, true},
|
|
{"foo\n\n", false, false},
|
|
{"foo\nbar", false, false},
|
|
{"foo\n\n", true, false},
|
|
{"foo\nbar", true, false},
|
|
}
|
|
for _, row := range table {
|
|
dir, err := ioutil.TempDir(test_helpers.TmpDir, "")
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
cmd := exec.Command(test_helpers.GocryptfsBinary, "-q", "-init", "-scryptn=10", dir)
|
|
childStdin, err := cmd.StdinPipe()
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
err = cmd.Start()
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
childStdin.Write([]byte(row.pw))
|
|
if row.closeStdin {
|
|
childStdin.Close()
|
|
}
|
|
err = cmd.Wait()
|
|
success := (err == nil)
|
|
if success == true && row.expectSuccess == false {
|
|
t.Errorf("pw=%q should have failed, but succeeded", row.pw)
|
|
} else if success == false && row.expectSuccess == true {
|
|
t.Errorf("pw=%q should have succeeded, but failed", row.pw)
|
|
}
|
|
}
|
|
}
|
|
|
|
// TestMountPasswordIncorrect makes sure the correct exit code is used when the password
|
|
// was incorrect while mounting
|
|
func TestMountPasswordIncorrect(t *testing.T) {
|
|
cDir := test_helpers.InitFS(t) // Create filesystem with password "test"
|
|
pDir := cDir + ".mnt"
|
|
err := test_helpers.Mount(cDir, pDir, false, "-extpass", "echo WRONG", "-wpanic=false")
|
|
exitCode := test_helpers.ExtractCmdExitCode(err)
|
|
if exitCode != exitcodes.PasswordIncorrect {
|
|
t.Errorf("want=%d, got=%d", exitcodes.PasswordIncorrect, exitCode)
|
|
}
|
|
}
|
|
|
|
// TestPasswdPasswordIncorrect makes sure the correct exit code is used when the password
|
|
// was incorrect while changing the password
|
|
func TestPasswdPasswordIncorrect(t *testing.T) {
|
|
cDir := test_helpers.InitFS(t) // Create filesystem with password "test"
|
|
// Change password
|
|
cmd := exec.Command(test_helpers.GocryptfsBinary, "-passwd", cDir)
|
|
childStdin, err := cmd.StdinPipe()
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
err = cmd.Start()
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
_, err = childStdin.Write([]byte("WRONGPASSWORD\nNewPassword"))
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
err = childStdin.Close()
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
err = cmd.Wait()
|
|
exitCode := test_helpers.ExtractCmdExitCode(err)
|
|
if exitCode != exitcodes.PasswordIncorrect {
|
|
t.Errorf("want=%d, got=%d", exitcodes.PasswordIncorrect, exitCode)
|
|
}
|
|
}
|
|
|
|
// Check that we correctly background on mount and close stderr and stdout.
|
|
// Something like
|
|
// gocryptfs a b | cat
|
|
// must not hang ( https://github.com/rfjakob/gocryptfs/issues/130 ).
|
|
func TestMountBackground(t *testing.T) {
|
|
dir := test_helpers.InitFS(t)
|
|
mnt := dir + ".mnt"
|
|
err := os.Mkdir(mnt, 0700)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
// Manually create a pipe pair and connect the child's stdout and stderr
|
|
// to it. We cannot use StdoutPipe because that will close the pipe
|
|
// when the child forks away.
|
|
pr, pw, err := os.Pipe()
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
args := []string{"-extpass", "echo test", dir, mnt}
|
|
cmd := exec.Command(test_helpers.GocryptfsBinary, args...)
|
|
cmd.Stdout = pw
|
|
cmd.Stderr = pw
|
|
err = cmd.Run()
|
|
if err != nil {
|
|
t.Error(err)
|
|
}
|
|
pw.Close()
|
|
defer test_helpers.UnmountPanic(mnt)
|
|
// Read until we get EOF.
|
|
c1 := make(chan struct{}, 1)
|
|
go func() {
|
|
buf := make([]byte, 1000)
|
|
for {
|
|
_, err = pr.Read(buf)
|
|
// We should get io.EOF when the child closes stdout
|
|
// and stderr.
|
|
if err != nil {
|
|
pr.Close()
|
|
c1 <- struct{}{}
|
|
return
|
|
}
|
|
}
|
|
}()
|
|
select {
|
|
case <-c1:
|
|
return
|
|
case <-time.After(time.Second * 5):
|
|
t.Fatal("timeout")
|
|
}
|
|
}
|
|
|
|
// Test that "gocryptfs -init -info CIPHERDIR" returns an error to the
|
|
// user. Only one operation flag is allowed.
|
|
func TestMultipleOperationFlags(t *testing.T) {
|
|
// Test all combinations
|
|
opFlags := []string{"-init", "-info", "-passwd", "-fsck"}
|
|
for _, flag1 := range opFlags {
|
|
var flag2 string
|
|
for _, flag2 = range opFlags {
|
|
if flag1 == flag2 {
|
|
continue
|
|
}
|
|
args := []string{flag1, flag2, "/tmp"}
|
|
//t.Logf("testing %v", args)
|
|
cmd := exec.Command(test_helpers.GocryptfsBinary, args...)
|
|
err := cmd.Run()
|
|
exitCode := test_helpers.ExtractCmdExitCode(err)
|
|
if exitCode != exitcodes.Usage {
|
|
t.Fatalf("this should have failed with code %d, but returned %d",
|
|
exitcodes.Usage, exitCode)
|
|
}
|
|
}
|
|
}
|
|
}
|