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How to use Names method of test_helpers Package

Best Ginkgo code snippet using test_helpers.Names

cli_test.go

Source:cli_test.go

1package cli2// Test CLI operations like "-init", "-password" etc3import (4	"fmt"5	"io/ioutil"6	"os"7	"os/exec"8	"strconv"9	"strings"10	"sync"11	"syscall"12	"testing"13	"time"14	"github.com/HorizonLiu/gocryptfs/internal/configfile"15	"github.com/HorizonLiu/gocryptfs/internal/exitcodes"16	"github.com/HorizonLiu/gocryptfs/tests/test_helpers"17)18var testPw = []byte("test")19func TestMain(m *testing.M) {20	test_helpers.ResetTmpDir(false)21	before := test_helpers.ListFds(0, "")22	r := m.Run()23	after := test_helpers.ListFds(0, "")24	if len(before) != len(after) {25		fmt.Printf("fd leak in test process? before, after:\n%v\n%v\n", before, after)26		os.Exit(1)27	}28	os.Exit(r)29}30// Test -init flag31func TestInit(t *testing.T) {32	dir := test_helpers.InitFS(t)33	_, c, err := configfile.LoadAndDecrypt(dir+"/"+configfile.ConfDefaultName, testPw)34	if err != nil {35		t.Fatal(err)36	}37	if c.IsFeatureFlagSet(configfile.FlagAESSIV) {38		t.Error("AESSIV flag should not be set")39	}40}41// Test that gocryptfs.conf and gocryptfs.diriv are there with the expected42// permissions after -init43func TestInitFilePerms(t *testing.T) {44	dir := test_helpers.InitFS(t)45	var st syscall.Stat_t46	syscall.Stat(dir+"/gocryptfs.conf", &st)47	perms := st.Mode & 077748	if perms != 0400 {49		t.Errorf("Wrong permissions for gocryptfs.conf: %#o", perms)50	}51	st = syscall.Stat_t{}52	syscall.Stat(dir+"/gocryptfs.diriv", &st)53	perms = st.Mode & 077754	// From v1.7.1, these are created with 0440 permissions, see55	// https://github.com/HorizonLiu/gocryptfs/issues/387 .56	// From v2.0, created with 0444 perms, see57	// https://github.com/HorizonLiu/gocryptfs/issues/539 .58	if perms != 0444 {59		t.Errorf("Wrong permissions for gocryptfs.diriv: %#o", perms)60	}61}62// Test -init with -devrandom flag63func TestInitDevRandom(t *testing.T) {64	test_helpers.InitFS(t, "-devrandom")65}66// Test -init with -aessiv67func TestInitAessiv(t *testing.T) {68	dir := test_helpers.InitFS(t, "-aessiv")69	_, c, err := configfile.LoadAndDecrypt(dir+"/"+configfile.ConfDefaultName, testPw)70	if err != nil {71		t.Fatal(err)72	}73	if !c.IsFeatureFlagSet(configfile.FlagAESSIV) {74		t.Error("AESSIV flag should be set but is not")75	}76}77// Test -init with -reverse78func TestInitReverse(t *testing.T) {79	dir := test_helpers.InitFS(t, "-reverse")80	_, c, err := configfile.LoadAndDecrypt(dir+"/"+configfile.ConfReverseName, testPw)81	if err != nil {82		t.Fatal(err)83	}84	if !c.IsFeatureFlagSet(configfile.FlagAESSIV) {85		t.Error("AESSIV flag should be set but is not")86	}87}88// testPasswd changes the password from "test" to "test" using89// the -extpass method, then from "test" to "newpasswd" using the90// stdin method.91func testPasswd(t *testing.T, dir string, extraArgs ...string) {92	// Change password using "-extpass"93	args := []string{"-q", "-passwd", "-extpass", "echo test"}94	args = append(args, extraArgs...)95	args = append(args, dir)96	cmd := exec.Command(test_helpers.GocryptfsBinary, args...)97	cmd.Stdout = os.Stdout98	cmd.Stderr = os.Stderr99	err := cmd.Run()100	if err != nil {101		t.Error(err)102	}103	// Change password using stdin104	args = []string{"-q", "-passwd"}105	args = append(args, extraArgs...)106	args = append(args, dir)107	cmd = exec.Command(test_helpers.GocryptfsBinary, args...)108	cmd.Stdout = os.Stdout109	cmd.Stderr = os.Stderr110	p, err := cmd.StdinPipe()111	if err != nil {112		t.Fatal(err)113	}114	err = cmd.Start()115	if err != nil {116		t.Error(err)117	}118	// Old password119	p.Write([]byte("test\n"))120	// New password121	p.Write([]byte("newpasswd\n"))122	p.Close()123	err = cmd.Wait()124	if err != nil {125		t.Error(err)126	}127}128// Test -passwd flag129func TestPasswd(t *testing.T) {130	// Create FS131	dir := test_helpers.InitFS(t)132	mnt := dir + ".mnt"133	// Add content134	test_helpers.MountOrFatal(t, dir, mnt, "-extpass", "echo test")135	file1 := mnt + "/file1"136	err := ioutil.WriteFile(file1, []byte("somecontent"), 0600)137	if err != nil {138		t.Fatal(err)139	}140	err = test_helpers.UnmountErr(mnt)141	if err != nil {142		t.Fatal(err)143	}144	// Change password to "newpasswd"145	testPasswd(t, dir)146	// Mount and verify147	test_helpers.MountOrFatal(t, dir, mnt, "-extpass", "echo newpasswd")148	content, err := ioutil.ReadFile(file1)149	if err != nil {150		t.Error(err)151	} else if string(content) != "somecontent" {152		t.Errorf("wrong content: %q", string(content))153	}154	err = test_helpers.UnmountErr(mnt)155	if err != nil {156		t.Fatal(err)157	}158}159// cp copies file at `src` to `dst`, overwriting160// `dst` if it already exists. Calls t.Fatal on failure.161func cp(t *testing.T, src string, dst string) {162	conf, err := ioutil.ReadFile(src)163	if err != nil {164		t.Fatal(err)165	}166	syscall.Unlink(dst)167	err = ioutil.WriteFile(dst, conf, 0600)168	if err != nil {169		t.Fatal(err)170	}171}172// Test -passwd with -masterkey173func TestPasswdMasterkey(t *testing.T) {174	// Create FS175	dir := test_helpers.InitFS(t)176	// Overwrite with config with known master key177	cp(t, "gocryptfs.conf.b9e5ba23", dir+"/gocryptfs.conf")178	// Add content179	mnt := dir + ".mnt"180	test_helpers.MountOrFatal(t, dir, mnt, "-extpass", "echo test")181	file1 := mnt + "/file1"182	err := ioutil.WriteFile(file1, []byte("somecontent"), 0600)183	if err != nil {184		t.Fatal(err)185	}186	test_helpers.UnmountPanic(mnt)187	// Change password using stdin188	args := []string{"-q", "-passwd", "-masterkey",189		"b9e5ba23-981a22b8-c8d790d8-627add29-f680513f-b7b7035f-d203fb83-21d82205"}190	args = append(args, dir)191	cmd := exec.Command(test_helpers.GocryptfsBinary, args...)192	cmd.Stdout = os.Stdout193	cmd.Stderr = os.Stderr194	p, err := cmd.StdinPipe()195	if err != nil {196		t.Fatal(err)197	}198	err = cmd.Start()199	if err != nil {200		t.Error(err)201	}202	// New password203	p.Write([]byte("newpasswd\n"))204	p.Close()205	err = cmd.Wait()206	if err != nil {207		t.Error(err)208	}209	// Mount and verify210	test_helpers.MountOrFatal(t, dir, mnt, "-extpass", "echo newpasswd")211	content, err := ioutil.ReadFile(file1)212	if err != nil {213		t.Error(err)214	} else if string(content) != "somecontent" {215		t.Errorf("wrong content: %q", string(content))216	}217	test_helpers.UnmountPanic(mnt)218}219// Test -passwd with -masterkey=stdin220func TestPasswdMasterkeyStdin(t *testing.T) {221	// Create FS222	dir := test_helpers.InitFS(t)223	// Overwrite with config with known master key224	cp(t, "gocryptfs.conf.b9e5ba23", dir+"/gocryptfs.conf")225	// Add content226	mnt := dir + ".mnt"227	test_helpers.MountOrFatal(t, dir, mnt, "-extpass", "echo test")228	file1 := mnt + "/file1"229	err := ioutil.WriteFile(file1, []byte("somecontent"), 0600)230	if err != nil {231		t.Fatal(err)232	}233	test_helpers.UnmountPanic(mnt)234	// Change password using stdin235	args := []string{"-q", "-passwd", "-masterkey=stdin"}236	args = append(args, dir)237	cmd := exec.Command(test_helpers.GocryptfsBinary, args...)238	cmd.Stdout = os.Stdout239	cmd.Stderr = os.Stderr240	p, err := cmd.StdinPipe()241	if err != nil {242		t.Fatal(err)243	}244	err = cmd.Start()245	if err != nil {246		t.Error(err)247	}248	// Masterkey249	p.Write([]byte("b9e5ba23-981a22b8-c8d790d8-627add29-f680513f-b7b7035f-d203fb83-21d82205\n"))250	// New password251	p.Write([]byte("newpasswd\n"))252	p.Close()253	err = cmd.Wait()254	if err != nil {255		t.Fatal(err)256	}257	// Mount and verify258	test_helpers.MountOrFatal(t, dir, mnt, "-extpass", "echo newpasswd")259	content, err := ioutil.ReadFile(file1)260	if err != nil {261		t.Fatal(err)262	} else if string(content) != "somecontent" {263		t.Errorf("wrong content: %q", string(content))264	}265	test_helpers.UnmountPanic(mnt)266}267// Test -passwd with -reverse268func TestPasswdReverse(t *testing.T) {269	// Create FS270	dir := test_helpers.InitFS(t, "-reverse")271	testPasswd(t, dir, "-reverse")272}273// Test -passwd with -scryptn274func TestPasswdScryptn(t *testing.T) {275	dir := test_helpers.InitFS(t)276	cf, err := configfile.Load(dir + "/gocryptfs.conf")277	if err != nil {278		t.Fatal(err)279	}280	testPasswd(t, dir, "-scryptn", strconv.Itoa(cf.ScryptObject.LogN()+1))281	cf2, err := configfile.Load(dir + "/gocryptfs.conf")282	if err != nil {283		t.Fatal(err)284	}285	if cf2.ScryptObject.LogN() != cf.ScryptObject.LogN()+1 {286		t.Errorf("wrong logN value %d", cf2.ScryptObject.LogN())287	}288}289// Test -init & -config flag290func TestInitConfig(t *testing.T) {291	config := test_helpers.TmpDir + "/TestInitConfig.conf"292	dir := test_helpers.InitFS(t, "-config="+config)293	_, err := os.Stat(config)294	if err != nil {295		t.Fatal(err)296	}297	// Test -passwd & -config298	cmd2 := exec.Command(test_helpers.GocryptfsBinary, "-q", "-passwd", "-extpass", "echo test",299		"-config", config, dir)300	cmd2.Stdout = os.Stdout301	cmd2.Stderr = os.Stderr302	err = cmd2.Run()303	if err != nil {304		t.Error(err)305	}306}307// Test -ro308func TestRo(t *testing.T) {309	dir := test_helpers.InitFS(t)310	mnt := dir + ".mnt"311	test_helpers.MountOrFatal(t, dir, mnt, "-ro", "-extpass=echo test")312	defer test_helpers.UnmountPanic(mnt)313	file := mnt + "/file"314	err := os.Mkdir(file, 0777)315	if err == nil {316		t.Errorf("Mkdir should have failed")317	}318	_, err = os.Create(file)319	if err == nil {320		t.Errorf("Create should have failed")321	}322}323// Test "-nonempty"324func TestNonempty(t *testing.T) {325	dir := test_helpers.InitFS(t)326	mnt := dir + ".mnt"327	err := os.Mkdir(mnt, 0700)328	if err != nil {329		t.Fatal(err)330	}331	err = ioutil.WriteFile(mnt+"/somefile", []byte("xyz"), 0600)332	if err != nil {333		t.Fatal(err)334	}335	err = test_helpers.Mount(dir, mnt, false, "-extpass=echo test")336	if err == nil {337		t.Errorf("Mounting over a file should fail per default")338	}339	// Should work with "-nonempty"340	test_helpers.MountOrFatal(t, dir, mnt, "-nonempty", "-extpass=echo test")341	test_helpers.UnmountPanic(mnt)342}343// -nofail should be ignored and the mount should succeed344func TestNofail(t *testing.T) {345	dir := test_helpers.InitFS(t)346	mnt := dir + ".mnt"347	test_helpers.MountOrFatal(t, dir, mnt, "-nofail", "-extpass=echo test")348	defer test_helpers.UnmountPanic(mnt)349}350// Test "mountpoint shadows cipherdir" handling351func TestShadows(t *testing.T) {352	mnt := test_helpers.InitFS(t)353	cipher := mnt + ".cipher"354	err := os.Rename(mnt, cipher)355	if err != nil {356		t.Fatal(err)357	}358	// This should work359	// (note that MountOrFatal creates "mnt" again)360	test_helpers.MountOrFatal(t, cipher, mnt, "-extpass=echo test")361	test_helpers.UnmountPanic(mnt)362	cipher2 := mnt + "/cipher"363	err = os.Rename(cipher, cipher2)364	if err != nil {365		t.Fatal(err)366	}367	// This should fail368	err = test_helpers.Mount(cipher2, mnt, false, "-extpass=echo test")369	if err == nil {370		t.Errorf("Should have failed")371	}372}373// TestMountPasswordIncorrect makes sure the correct exit code is used when the password374// was incorrect while mounting375func TestMountPasswordIncorrect(t *testing.T) {376	cDir := test_helpers.InitFS(t) // Create filesystem with password "test"377	pDir := cDir + ".mnt"378	err := test_helpers.Mount(cDir, pDir, false, "-extpass", "echo WRONG", "-wpanic=false")379	exitCode := test_helpers.ExtractCmdExitCode(err)380	if exitCode != exitcodes.PasswordIncorrect {381		t.Errorf("want=%d, got=%d", exitcodes.PasswordIncorrect, exitCode)382	}383}384// TestPasswdPasswordIncorrect makes sure the correct exit code is used when the password385// was incorrect while changing the password386func TestPasswdPasswordIncorrect(t *testing.T) {387	cDir := test_helpers.InitFS(t) // Create filesystem with password "test"388	// Change password389	cmd := exec.Command(test_helpers.GocryptfsBinary, "-passwd", cDir)390	childStdin, err := cmd.StdinPipe()391	if err != nil {392		t.Fatal(err)393	}394	err = cmd.Start()395	if err != nil {396		t.Fatal(err)397	}398	_, err = childStdin.Write([]byte("WRONGPASSWORD\nNewPassword"))399	if err != nil {400		t.Fatal(err)401	}402	err = childStdin.Close()403	if err != nil {404		t.Fatal(err)405	}406	err = cmd.Wait()407	exitCode := test_helpers.ExtractCmdExitCode(err)408	if exitCode != exitcodes.PasswordIncorrect {409		t.Errorf("want=%d, got=%d", exitcodes.PasswordIncorrect, exitCode)410	}411}412// Check that we correctly background on mount and close stderr and stdout.413// Something like414//   gocryptfs a b | cat415// must not hang ( https://github.com/HorizonLiu/gocryptfs/issues/130 ).416func TestMountBackground(t *testing.T) {417	dir := test_helpers.InitFS(t)418	mnt := dir + ".mnt"419	err := os.Mkdir(mnt, 0700)420	if err != nil {421		t.Fatal(err)422	}423	// Manually create a pipe pair and connect the child's stdout and stderr424	// to it. We cannot use StdoutPipe because that will close the pipe425	// when the child forks away.426	pr, pw, err := os.Pipe()427	if err != nil {428		t.Fatal(err)429	}430	args := []string{"-extpass", "echo test", dir, mnt}431	cmd := exec.Command(test_helpers.GocryptfsBinary, args...)432	cmd.Stdout = pw433	cmd.Stderr = pw434	err = cmd.Run()435	if err != nil {436		t.Error(err)437	}438	pw.Close()439	defer test_helpers.UnmountPanic(mnt)440	// Read until we get EOF.441	c1 := make(chan struct{}, 1)442	go func() {443		buf := make([]byte, 1000)444		for {445			_, err = pr.Read(buf)446			// We should get io.EOF when the child closes stdout447			// and stderr.448			if err != nil {449				pr.Close()450				c1 <- struct{}{}451				return452			}453		}454	}()455	select {456	case <-c1:457		return458	case <-time.After(time.Second * 5):459		t.Fatal("timeout")460	}461}462// Test that "gocryptfs -init -info CIPHERDIR" returns an error to the463// user. Only one operation flag is allowed.464func TestMultipleOperationFlags(t *testing.T) {465	// Test all combinations466	opFlags := []string{"-init", "-info", "-passwd", "-fsck"}467	for _, flag1 := range opFlags {468		var flag2 string469		for _, flag2 = range opFlags {470			if flag1 == flag2 {471				continue472			}473			args := []string{flag1, flag2, "/tmp"}474			//t.Logf("testing %v", args)475			cmd := exec.Command(test_helpers.GocryptfsBinary, args...)476			err := cmd.Run()477			exitCode := test_helpers.ExtractCmdExitCode(err)478			if exitCode != exitcodes.Usage {479				t.Fatalf("this should have failed with code %d, but returned %d",480					exitcodes.Usage, exitCode)481			}482		}483	}484}485func TestNoexec(t *testing.T) {486	dir := test_helpers.InitFS(t)487	mnt := dir + ".mnt"488	test_helpers.MountOrFatal(t, dir, mnt, "-extpass=echo test", "-noexec")489	defer test_helpers.UnmountPanic(mnt)490	sh := mnt + "/x.sh"491	content := `#!/bin/bash492echo hello493`494	err := ioutil.WriteFile(sh, []byte(content), 0755)495	if err != nil {496		t.Fatal(err)497	}498	err = exec.Command(sh).Run()499	exitCode := test_helpers.ExtractCmdExitCode(err)500	if exitCode != int(syscall.EACCES) {501		t.Errorf("got exitcode %d instead of EPERM (%d)", exitCode, syscall.EPERM)502	}503}504// Test that a missing argument to "-o" triggers exit code 1.505// See also cli_args_test.go for comprehensive tests of "-o" parsing.506func TestMissingOArg(t *testing.T) {507	cmd := exec.Command(test_helpers.GocryptfsBinary, "foo", "bar", "-o")508	err := cmd.Run()509	exitCode := test_helpers.ExtractCmdExitCode(err)510	if exitCode != exitcodes.Usage {511		t.Fatalf("this should have failed with code %d, but returned %d",512			exitcodes.Usage, exitCode)513	}514}515// -exclude must return an error in forward mode516func TestExcludeForward(t *testing.T) {517	dir := test_helpers.InitFS(t)518	mnt := dir + ".mnt"519	err := test_helpers.Mount(dir, mnt, false, "-extpass", "echo test", "-exclude", "foo")520	if err == nil {521		t.Errorf("-exclude in forward mode should fail")522	}523	t.Log(err)524}525// Check that the config file can be read from a named pipe.526// Make sure bug https://github.com/HorizonLiu/gocryptfs/issues/258 does not come527// back.528func TestConfigPipe(t *testing.T) {529	dir := test_helpers.InitFS(t)530	mnt := dir + ".mnt"531	err := os.Mkdir(mnt, 0700)532	if err != nil {533		t.Fatal(err)534	}535	bashLine := fmt.Sprintf("%s -q -extpass \"echo test\" -config <(cat %s/gocryptfs.conf) %s %s", test_helpers.GocryptfsBinary, dir, dir, mnt)536	cmd := exec.Command("bash", "-c", bashLine)537	cmd.Stdout = os.Stdout538	cmd.Stderr = os.Stdout539	err = cmd.Run()540	exitCode := test_helpers.ExtractCmdExitCode(err)541	if exitCode != 0 {542		t.Errorf("bash command\n%q\nresulted in exit code %d", bashLine, exitCode)543		return544	}545	test_helpers.UnmountPanic(mnt)546}547// Ciphertext dir and mountpoint contains a comma548// https://github.com/HorizonLiu/gocryptfs/issues/262549func TestComma(t *testing.T) {550	dir0 := test_helpers.InitFS(t)551	dir := dir0 + ",foo,bar"552	err := os.Rename(dir0, dir)553	if err != nil {554		t.Fatal(err)555	}556	mnt := dir + ".mnt"557	err = test_helpers.Mount(dir, mnt, false, "-extpass", "echo test", "-wpanic=0")558	if err != nil {559		t.Fatalf("Failed to mount %q on %q: %v", dir, mnt, err)560	}561	test_helpers.UnmountPanic(mnt)562}563// Mount with idle timeout 10ms and check that the process exits by itself564// within 5 seconds.565func TestIdle(t *testing.T) {566	dir := test_helpers.InitFS(t)567	mnt := dir + ".mnt"568	err := os.Mkdir(mnt, 0700)569	if err != nil {570		t.Fatal(err)571	}572	cmd := exec.Command(test_helpers.GocryptfsBinary,573		"-q", "-nosyslog", "-fg", "-extpass", "echo test", "-i", "10ms", dir, mnt)574	cmd.Stdout = os.Stdout575	cmd.Stderr = os.Stderr576	err = cmd.Start()577	if err != nil {578		t.Fatal(err)579	}580	timer := time.AfterFunc(5*time.Second, func() {581		t.Error("timeout waiting for umount")582		cmd.Process.Kill()583	})584	err = cmd.Wait()585	timer.Stop()586	if err != nil {587		t.Error(err)588	}589}590// Mount with idle timeout of 100ms read something every 10ms. The fs should591// NOT get unmounted. Regression test for https://github.com/HorizonLiu/gocryptfs/issues/421592func TestNotIdle(t *testing.T) {593	dir := test_helpers.InitFS(t)594	mnt := dir + ".mnt"595	err := test_helpers.Mount(dir, mnt, false, "-extpass", "echo test", "-i=100ms")596	if err != nil {597		t.Fatal(err)598	}599	err = ioutil.WriteFile(mnt+"/foo", []byte("foo"), 0600)600	if err != nil {601		t.Fatal(err)602	}603	// Read every 10 milliseconds for a total of 1 second604	for i := 1; i < 100; i++ {605		_, err = ioutil.ReadFile(mnt + "/foo")606		if err != nil {607			t.Fatalf("iteration %d failed: %v", i, err)608		}609		time.Sleep(10 * time.Millisecond)610	}611	// Keep a file handle open for 1 second612	fd, err := os.Open(mnt + "/foo")613	if err != nil {614		t.Fatal(err)615	}616	time.Sleep(1 * time.Second)617	buf := make([]byte, 100)618	_, err = fd.Read(buf)619	if err != nil {620		t.Fatal(err)621	}622	fd.Close()623	// All good.624	test_helpers.UnmountPanic(mnt)625}626// TestSymlinkedCipherdir checks that if CIPHERDIR itself is a symlink, it is627// followed.628// https://github.com/HorizonLiu/gocryptfs/issues/450629func TestSymlinkedCipherdir(t *testing.T) {630	dir := test_helpers.InitFS(t)631	dirSymlink := dir + ".symlink"632	err := os.Symlink(dir, dirSymlink)633	if err != nil {634		t.Fatal(err)635	}636	mnt := dir + ".mnt"637	test_helpers.MountOrFatal(t, dirSymlink, mnt, "-extpass=echo test")638	defer test_helpers.UnmountPanic(mnt)639	file := mnt + "/file"640	f, err := os.Create(file)641	if err != nil {642		t.Fatal(err)643	}644	f.Close()645	f, err = os.Open(mnt)646	if err != nil {647		t.Fatal(err)648	}649	defer f.Close()650	names, err := f.Readdirnames(0)651	if err != nil {652		t.Fatal(err)653	}654	if len(names) != 1 || names[0] != "file" {655		t.Errorf("wrong Readdirnames result: %v", names)656	}657}658// TestBadname tests the `-badname` option659func TestBadname(t *testing.T) {660	dir := test_helpers.InitFS(t)661	mnt := dir + ".mnt"662	validFileName := "file"663	invalidSuffix := ".invalid_file"664	// use static suffix for testing665	test_helpers.MountOrFatal(t, dir, mnt, "-badname=*", "-extpass=echo test")666	defer test_helpers.UnmountPanic(mnt)667	// write one valid filename (empty content)668	file := mnt + "/" + validFileName669	err := ioutil.WriteFile(file, nil, 0600)670	if err != nil {671		t.Fatal(err)672	}673	// read encrypted file name674	fread, err := os.Open(dir)675	if err != nil {676		t.Fatal(err)677	}678	defer fread.Close()679	encryptedfilename := ""680	ciphernames, err := fread.Readdirnames(0)681	if err != nil {682		t.Fatal(err)683	}684	for _, ciphername := range ciphernames {685		if ciphername != "gocryptfs.conf" && ciphername != "gocryptfs.diriv" {686			encryptedfilename = ciphername687			// found cipher name of "file"688			break689		}690	}691	// write invalid file which should be decodable692	err = ioutil.WriteFile(dir+"/"+encryptedfilename+invalidSuffix, nil, 0600)693	if err != nil {694		t.Fatal(err)695	}696	// write invalid file which is not decodable (cropping the encrpyted file name)697	err = ioutil.WriteFile(dir+"/"+encryptedfilename[:len(encryptedfilename)-2]+invalidSuffix, nil, 0600)698	if err != nil {699		t.Fatal(err)700	}701	// check for filenames702	f, err := os.Open(mnt)703	if err != nil {704		t.Fatal(err)705	}706	defer f.Close()707	names, err := f.Readdirnames(0)708	if err != nil {709		t.Fatal(err)710	}711	foundDecodable := false712	foundUndecodable := false713	for _, name := range names {714		if strings.Contains(name, validFileName+invalidSuffix+" GOCRYPTFS_BAD_NAME") {715			foundDecodable = true716		} else if strings.Contains(name, encryptedfilename[:len(encryptedfilename)-2]+invalidSuffix+" GOCRYPTFS_BAD_NAME") {717			foundUndecodable = true718		}719	}720	if !foundDecodable {721		t.Errorf("did not find invalid name %s in %v", validFileName+invalidSuffix+" GOCRYPTFS_BAD_NAME", names)722	}723	if !foundUndecodable {724		t.Errorf("did not find invalid name %s in %v", encryptedfilename[:len(encryptedfilename)-2]+invalidSuffix+" GOCRYPTFS_BAD_NAME", names)725	}726}727// TestPassfile tests the `-passfile` option728func TestPassfile(t *testing.T) {729	dir := test_helpers.InitFS(t)730	mnt := dir + ".mnt"731	passfile1 := mnt + ".1.txt"732	ioutil.WriteFile(passfile1, []byte("test"), 0600)733	test_helpers.MountOrFatal(t, dir, mnt, "-passfile="+passfile1)734	defer test_helpers.UnmountPanic(mnt)735}736// TestPassfileX2 tests that the `-passfile` option can be passed twice737func TestPassfileX2(t *testing.T) {738	dir := test_helpers.InitFS(t)739	mnt := dir + ".mnt"740	passfile1 := mnt + ".1.txt"741	passfile2 := mnt + ".2.txt"742	ioutil.WriteFile(passfile1, []byte("te"), 0600)743	ioutil.WriteFile(passfile2, []byte("st"), 0600)744	test_helpers.MountOrFatal(t, dir, mnt, "-passfile="+passfile1, "-passfile="+passfile2)745	defer test_helpers.UnmountPanic(mnt)746}747// TestInitNotEmpty checks that `gocryptfs -init` returns the right error code748// if CIPHERDIR is not empty. See https://github.com/HorizonLiu/gocryptfs/pull/503749func TestInitNotEmpty(t *testing.T) {750	dir := test_helpers.TmpDir + "/" + t.Name()751	if err := os.Mkdir(dir, 0700); err != nil {752		t.Fatal(err)753	}754	if err := ioutil.WriteFile(dir+"/foo", nil, 0700); err != nil {755		t.Fatal(err)756	}757	cmd := exec.Command(test_helpers.GocryptfsBinary, "-init", "-extpass", "echo test", dir)758	cmd.Stdout = os.Stdout759	cmd.Stderr = os.Stderr760	err := cmd.Run()761	exitCode := test_helpers.ExtractCmdExitCode(err)762	if exitCode != exitcodes.CipherDir {763		t.Fatalf("wrong exit code: have=%d, want=%d", exitCode, exitcodes.CipherDir)764	}765}766// TestSharedstorage checks that `-sharedstorage` hands out arbitrary inode767// numbers (no hard link tracking)768func TestSharedstorage(t *testing.T) {769	dir := test_helpers.InitFS(t)770	mnt := dir + ".mnt"771	test_helpers.MountOrFatal(t, dir, mnt, "-extpass=echo test", "-sharedstorage")772	defer test_helpers.UnmountPanic(mnt)773	foo1 := mnt + "/foo1"774	foo2 := mnt + "/foo2"775	if err := ioutil.WriteFile(foo1, nil, 0755); err != nil {776		t.Fatal(err)777	}778	if err := os.Link(foo1, foo2); err != nil {779		t.Fatal(err)780	}781	var st1, st2, st3 syscall.Stat_t782	if err := syscall.Stat(foo1, &st1); err != nil {783		t.Fatal(err)784	}785	// The link show show a new inode number786	if err := syscall.Stat(foo2, &st2); err != nil {787		t.Fatal(err)788	}789	// Stat()'ing again should give us again a new inode number790	if err := syscall.Stat(foo2, &st3); err != nil {791		t.Fatal(err)792	}793	if st1.Ino == st2.Ino || st2.Ino == st3.Ino || st1.Ino == st3.Ino {794		t.Error(st1.Ino, st2.Ino, st3.Ino)795	}796	// Check that we we don't have stat caching. New length should show up797	// on the hard link immediately.798	if err := ioutil.WriteFile(foo1, []byte("xxxxxx"), 0755); err != nil {799		t.Fatal(err)800	}801	if err := syscall.Stat(foo2, &st2); err != nil {802		t.Fatal(err)803	}804	if st2.Size != 6 {805		t.Fatal(st2.Size)806	}807}808// Test that the filesystem is immediately ready for Creat() after mount returns809func TestMountCreat(t *testing.T) {810	const concurrency = 2811	const repeat = 2812	dir := test_helpers.InitFS(t)813	mnt := dir + ".mnt"814	for j := 0; j < repeat; j++ {815		test_helpers.MountOrFatal(t, dir, mnt, "-extpass=echo test")816		var wg sync.WaitGroup817		wg.Add(concurrency)818		for i := 0; i < concurrency; i++ {819			go func(i int) {820				path := fmt.Sprintf("%s/%d", mnt, i)821				fd, err := syscall.Creat(path, 0600)822				syscall.Close(fd)823				if err != nil {824					t.Errorf("Creat %q: %v", path, err)825				}826				wg.Done()827			}(i)828		}829		wg.Wait()830		test_helpers.UnmountPanic(mnt)831	}832}...

matrix_test.go

Source:matrix_test.go

...431	if len(name) != 255 {432		t.Errorf("maxlen=%d", len(name))433	}434}435func TestLongNames(t *testing.T) {436	fi, err := ioutil.ReadDir(test_helpers.DefaultCipherDir)437	if err != nil {438		t.Fatal(err)439	}440	cnt1 := len(fi)441	wd := test_helpers.DefaultPlainDir + "/"442	// Create file with long name443	n255x := string(bytes.Repeat([]byte("x"), 255))444	f, err := os.Create(wd + n255x)445	if err != nil {446		t.Fatalf("Could not create n255x: %v", err)447	}448	f.Close()449	if !test_helpers.VerifyExistence(t, wd+n255x) {450		t.Errorf("n255x is not in directory listing")451	}452	// Rename long to long (target does not exist)453	n255y := string(bytes.Repeat([]byte("y"), 255))454	err = os.Rename(wd+n255x, wd+n255y)455	if err != nil {456		t.Fatalf("Could not rename n255x to n255y: %v", err)457	}458	if !test_helpers.VerifyExistence(t, wd+n255y) {459		t.Errorf("n255y is not in directory listing")460	}461	// Rename long to long (target exists)462	f, err = os.Create(wd + n255x)463	if err != nil {464		t.Fatalf("Could not create n255x: %v", err)465	}466	f.Close()467	err = os.Rename(wd+n255x, wd+n255y)468	if err != nil {469		t.Fatalf("Could not rename n255x to n255y: %v", err)470	}471	if !test_helpers.VerifyExistence(t, wd+n255y) {472		t.Errorf("n255y is not in directory listing")473	}474	// Rename long to short (target does not exist)475	err = os.Rename(wd+n255y, wd+"short")476	if err != nil {477		t.Fatalf("Could not rename n255y to short: %v", err)478	}479	if !test_helpers.VerifyExistence(t, wd+"short") {480		t.Errorf("short is not in directory listing")481	}482	// Rename long to short (target exists)483	f, err = os.Create(wd + n255y)484	if err != nil {485		t.Fatalf("Could not create n255y: %v", err)486	}487	f.Close()488	err = os.Rename(wd+n255y, wd+"short")489	if err != nil {490		t.Fatalf("Could not rename n255y to short: %v", err)491	}492	if !test_helpers.VerifyExistence(t, wd+"short") {493		t.Errorf("short is not in directory listing")494	}495	// Rename short to long (target does not exist)496	err = os.Rename(wd+"short", wd+n255x)497	if err != nil {498		t.Fatalf("Could not rename short to n255x: %v", err)499	}500	if !test_helpers.VerifyExistence(t, wd+n255x) {501		t.Errorf("255x is not in directory listing II")502	}503	// Rename short to long (target exists)504	f, err = os.Create(wd + "short")505	if err != nil {506		t.Fatalf("Could not create short: %v", err)507	}508	f.Close()509	err = os.Rename(wd+"short", wd+n255x)510	if err != nil {511		t.Fatalf("Could not rename short to n255x: %v", err)512	}513	if !test_helpers.VerifyExistence(t, wd+n255x) {514		t.Errorf("n255x is not in directory listing")515	}516	// Unlink517	err = syscall.Unlink(wd + n255x)518	if err != nil {519		t.Fatalf("Could not unlink n255x: %v", err)520	}521	if test_helpers.VerifyExistence(t, wd+n255x) {522		t.Errorf("n255x still there after unlink")523	}524	// Long symlink525	n255s := string(bytes.Repeat([]byte("s"), 255))526	err = os.Symlink("/", wd+n255s)527	if err != nil {528		t.Fatal(err)529	}530	if !test_helpers.VerifyExistence(t, wd+n255s) {531		t.Errorf("n255s is not in directory listing")532	}533	err = syscall.Unlink(wd + n255s)534	if err != nil {535		t.Error(err)536	}537	// Long dir538	n255d := string(bytes.Repeat([]byte("d"), 255))539	err = os.Mkdir(wd+n255d, 0777)540	if err != nil {541		t.Fatal(err)542	}543	err = syscall.Rmdir(wd + n255d)544	if err != nil {545		t.Error(err)546	}547	// Check for orphaned files548	fi, err = ioutil.ReadDir(test_helpers.DefaultCipherDir)549	if err != nil {550		t.Fatal(err)551	}552	cnt2 := len(fi)553	if cnt1 != cnt2 {554		t.Errorf("Leftover files, cnt1=%d cnt2=%d", cnt1, cnt2)555	}556}557// Create hard link with long name.558// This was broken up to v1.2.559func TestLongLink(t *testing.T) {560	wd := test_helpers.DefaultPlainDir + "/"561	target := wd + "TestLongLink.target"562	f, err := os.Create(target)563	if err != nil {564		t.Fatalf("%v", err)565	}566	f.Close()567	l255 := string(bytes.Repeat([]byte("l"), 255))568	err = os.Link(target, wd+l255)569	if err != nil {570		t.Error(err)571	}572}573func TestLchown(t *testing.T) {574	name := test_helpers.DefaultPlainDir + "/symlink"575	err := os.Symlink("/target/does/not/exist", name)576	if err != nil {577		t.Fatal(err)578	}579	err = os.Chown(name, os.Getuid(), os.Getgid())580	if err == nil {581		t.Error("Chown on dangling symlink should fail")582	}583	err = os.Lchown(name, os.Getuid(), os.Getgid())584	if err != nil {585		t.Error(err)586	}587}588// Set nanoseconds by path, symlink589func TestUtimesNanoSymlink(t *testing.T) {590	if runtime.GOOS == "darwin" {591		t.Skipf("MacOS \"touch\" does not support \"--no-dereference\"")592	}593	path := test_helpers.DefaultPlainDir + "/utimesnano_symlink"594	err := os.Symlink("/some/nonexisting/file", path)595	if err != nil {596		t.Fatal(err)597	}598	// syscall.UtimesNano does not provide a way to pass AT_SYMLINK_NOFOLLOW,599	// so we call the external utility "touch", which does.600	cmd := exec.Command("touch", "--no-dereference", path)601	cmd.Stderr = os.Stderr602	cmd.Stdout = os.Stdout603	err = cmd.Run()604	if err != nil {605		t.Error(err)606	}607}608type utimesTestcaseStruct struct {609	// Input atime and mtime610	in [2]syscall.Timespec611	// Expected output atime and mtime612	out [2]syscall.Timespec613}614// compareTimespec return true if the two passed Timespec are identical.615func compareTimespec(want syscall.Timespec, actual syscall.Timespec) bool {616	if want.Sec != actual.Sec {617		return false618	}619	if want.Nsec != actual.Nsec {620		return false621	}622	return true623}624const _UTIME_OMIT = ((1 << 30) - 2)625// doTestUtimesNano verifies that setting nanosecond-precision times on "path"626// works correctly. Pass "/proc/self/fd/N" to test a file descriptor.627func doTestUtimesNano(t *testing.T, path string) {628	utimeTestcases := []utimesTestcaseStruct{629		{630			in:  [2]syscall.Timespec{{Sec: 50, Nsec: 0}, {Sec: 51, Nsec: 0}},631			out: [2]syscall.Timespec{{Sec: 50, Nsec: 0}, {Sec: 51, Nsec: 0}},632		},633		{634			in:  [2]syscall.Timespec{{Sec: 1, Nsec: 2}, {Sec: 3, Nsec: 4}},635			out: [2]syscall.Timespec{{Sec: 1, Nsec: 2}, {Sec: 3, Nsec: 4}},636		},637		{638			in:  [2]syscall.Timespec{{Sec: 7, Nsec: 8}, {Sec: 99, Nsec: _UTIME_OMIT}},639			out: [2]syscall.Timespec{{Sec: 7, Nsec: 8}, {Sec: 3, Nsec: 4}},640		},641		{642			in:  [2]syscall.Timespec{{Sec: 99, Nsec: _UTIME_OMIT}, {Sec: 5, Nsec: 6}},643			out: [2]syscall.Timespec{{Sec: 7, Nsec: 8}, {Sec: 5, Nsec: 6}},644		},645	}646	if runtime.GOOS == "darwin" {647		// darwin neither supports UTIME_OMIT nor nanoseconds (!?)648		utimeTestcases = utimeTestcases[:1]649	}650	for i, tc := range utimeTestcases {651		err := syscall.UtimesNano(path, tc.in[:])652		if err != nil {653			t.Fatalf("%q: %v", path, err)654		}655		var st syscall.Stat_t656		err = syscall.Stat(path, &st)657		if err != nil {658			t.Fatal(err)659		}660		want := tc.out661		have := extractAtimeMtime(st)662		if !compareTimespec(want[0], have[0]) {663			t.Errorf("Testcase %d: atime: want=%+v, have=%+v", i, want[0], have[0])664		}665		if !compareTimespec(want[1], have[1]) {666			t.Errorf("Testcase %d: mtime: want=%+v, have=%+v", i, want[1], have[1])667		}668	}669}670// Set nanoseconds by path, normal file671func TestUtimesNano(t *testing.T) {672	path := test_helpers.DefaultPlainDir + "/utimesnano"673	err := ioutil.WriteFile(path, []byte("foobar"), 0600)674	if err != nil {675		t.Fatal(err)676	}677	doTestUtimesNano(t, path)678}679// Set nanoseconds by fd680func TestUtimesNanoFd(t *testing.T) {681	if runtime.GOOS == "darwin" {682		t.Skipf("MacOS does not have /proc")683	}684	path := test_helpers.DefaultPlainDir + "/utimesnanofd"685	f, err := os.Create(path)686	if err != nil {687		t.Fatal(err)688	}689	defer f.Close()690	procPath := fmt.Sprintf("/proc/self/fd/%d", f.Fd())691	doTestUtimesNano(t, procPath)692}693// Make sure the Mknod call works by creating a fifo (named pipe)694func TestMkfifo(t *testing.T) {695	path := test_helpers.DefaultPlainDir + "/fifo1"696	err := syscall.Mkfifo(path, 0700)697	if err != nil {698		t.Fatal(err)699	}700	path = test_helpers.DefaultPlainDir + "/gocryptfs.longname.XXX"701	err = syscall.Mkfifo(path, 0700)702	if err != nil {703		t.Fatal(err)704	}705	err = os.Remove(path)706	if err != nil {707		t.Fatal(err)708	}709}710// TestMagicNames verifies that "magic" names are handled correctly711// https://github.com/HorizonLiu/gocryptfs/issues/174712func TestMagicNames(t *testing.T) {713	names := []string{"warmup1", "warmup2", "gocryptfs.longname.QhUr5d9FHerwEs--muUs6_80cy6JRp89c1otLwp92Cs", "gocryptfs.diriv"}714	for _, n := range names {715		t.Logf("Testing n=%q", n)716		p := test_helpers.DefaultPlainDir + "/" + n717		// Create file718		err := ioutil.WriteFile(p, []byte("xxxxxxx"), 0200)719		if err != nil {720			t.Fatalf("creating file %q failed: %v", n, err)721		}722		// Rename magic to normal723		err = os.Rename(p, test_helpers.DefaultPlainDir+"/x")724		if err != nil {725			t.Fatalf("rename 1 failed: %v", err)726		}...

sanity_test.go

Source:sanity_test.go

...17		t.Error("this should fail")18	}19	test_helpers.UnmountPanic(pDir)20}21func TestBrokenNames(t *testing.T) {22	cDir := "broken_names"23	pDir := test_helpers.TmpDir + "/" + cDir24	test_helpers.MountOrFatal(t, cDir, pDir, "-extpass", "echo test", "-wpanic=false")25	_, err := os.Stat(pDir + "/status.txt")26	if err == nil {27		t.Error("this should fail")28	}29	test_helpers.UnmountPanic(pDir)30}

Names

Using AI Code Generation

1import (2func main() {3	fmt.Println(test_helpers.Names())4}5func Names() []string {6	return []string{"John", "Paul", "George", "Ringo"}7}8func Names() []string {9	return []string{"John", "Paul", "George", "Ringo"}10}11import (12func main() {13	fmt.Println(test_helpers.Names())14}15import (16func main() {17	fmt.Println(test_helpers.Names())18}19import (20func main() {21	fmt.Println(test_helpers.Names())22}23import (24func main() {25	fmt.Println(test_helpers.Names())26}27import (28func main() {29	fmt.Println(test_helpers.Names())30}31import (32func main() {33	fmt.Println(test_helpers.Names())34}35import (36func main() {37	fmt.Println(test_helpers.Names())38}39import (40func main() {41	fmt.Println(test_helpers.Names())42}43import (44func main() {45	fmt.Println(test_helpers.Names())46}47import (48func main() {49	fmt.Println(test_helpers.Names())50}51import (

Names

Using AI Code Generation

1import (2func main() {3    fmt.Println(test_helpers.Names())4}5func Names() []string {6    return []string{"A", "B", "C"}7}

Names

Using AI Code Generation

1import (2func main() {3	fmt.Println(test_helpers.Names())4}5import (6func main() {7	fmt.Println(test_helpers.Names())8}9If you want to test the behavior of your code when there is more than one instance of a package, you can write a test that imports the package multiple times. For example, the following code imports the test_helpers package twice and calls the Names method in each instance:10import (11func TestNames(t *testing.T) {12	fmt.Println(test_helpers.Names())13	fmt.Println(test_helpers.Names())14}15--- PASS: TestNames (0.00s)16If you want to test the behavior of your code when there is more than one instance of a package, you can write a test that imports the package multiple times. For example, the following code imports the test_helpers package twice and calls the Names method in each instance:17import (18func TestNames(t *testing.T) {19	fmt.Println(test_helpers.Names())20	fmt.Println(test_helpers.Names())21}22--- PASS: TestNames (0.00s)

Names

Using AI Code Generation

1import "test_helpers"2func main() {3 test_helpers.Names()4}5func Names() {6}7func Names() {8}

Names

Using AI Code Generation

1import (2func main() {3    fmt.Println(test_helpers.Names())4}5import (6func main() {7    fmt.Println(test_helpers.Names())8}9import (10func main() {11    fmt.Println(test_helpers.Names())12}13import (14func main() {15    fmt.Println(test_helpers.Names())16}17import (18func main() {19    fmt.Println(test_helpers.Names())20}21import (22func main() {23    fmt.Println(test_helpers.Names())24}25import (26func main() {27    fmt.Println(test_helpers.Names())28}29import (30func main() {31    fmt.Println(test

Names

Using AI Code Generation

1func main() {2 fmt.Println(test_helpers.Names())3}4func Names() []string {5 return []string{"foo", "bar"}6}

Names

Using AI Code Generation

1import "github.com/PraveenKumarP/test_helpers"2func main() {3	test_helpers.Names()4}5import "fmt"6func Names() {7	fmt.Println("Praveen")8}9--- PASS: TestNames (0.00s)

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