diff options
Diffstat (limited to 'integration_tests/main_test.go')
-rw-r--r-- | integration_tests/main_test.go | 437 |
1 files changed, 0 insertions, 437 deletions
diff --git a/integration_tests/main_test.go b/integration_tests/main_test.go deleted file mode 100644 index c7607ce..0000000 --- a/integration_tests/main_test.go +++ /dev/null @@ -1,437 +0,0 @@ -package integration_tests - -// File reading, writing, modification, truncate - -import ( - "bytes" - "crypto/md5" - "encoding/hex" - "flag" - "fmt" - "io/ioutil" - "os" - "runtime" - "sync" - "syscall" - "testing" -) - -var plaintextNames bool - -// This is the entry point for the tests -func TestMain(m *testing.M) { - var defaultonly bool - flag.BoolVar(&defaultonly, "defaultonly", false, "Only test default configuration (openssl=true, plaintextnames=false)") - flag.Parse() - - if testing.Verbose() { - fmt.Println("***** Testing with OpenSSL") - } - resetTmpDir(false) // <- this also create gocryptfs.diriv - mountOrExit(defaultCipherDir, defaultPlainDir, "--zerokey") - r := m.Run() - unmount(defaultPlainDir) - - if r != 0 { - os.Exit(r) - } - - if defaultonly { - os.Exit(r) - } - - if testing.Verbose() { - fmt.Println("***** Testing with native Go crypto") - } - resetTmpDir(false) - mountOrExit(defaultCipherDir, defaultPlainDir, "--zerokey", "--openssl=false") - r = m.Run() - unmount(defaultPlainDir) - - if r != 0 { - os.Exit(r) - } - - if testing.Verbose() { - fmt.Println("***** Testing \"--plaintextnames\"") - } - resetTmpDir(true) // do not create gocryptfs.diriv - mountOrExit(defaultCipherDir, defaultPlainDir, "--zerokey", "--plaintextnames") - plaintextNames = true - r = m.Run() - unmount(defaultPlainDir) - - if r != 0 { - os.Exit(r) - } - - os.Exit(r) -} - -// Write "n" zero bytes to filename "fn", read again, compare hash -func testWriteN(t *testing.T, fn string, n int) string { - file, err := os.Create(defaultPlainDir + fn) - if err != nil { - t.Fatal(err) - } - - d := make([]byte, n) - written, err := file.Write(d) - if err != nil || written != len(d) { - t.Errorf("err=\"%s\", written=%d", err, written) - } - err = file.Close() - if err != nil { - t.Error(err) - } - - verifySize(t, defaultPlainDir+fn, n) - - bin := md5.Sum(d) - hashWant := hex.EncodeToString(bin[:]) - - hashActual := md5fn(defaultPlainDir + fn) - - if hashActual != hashWant { - t.Errorf("Wrong content, hashWant=%s hashActual=%s", hashWant, hashActual) - } - - return hashActual -} - -func TestWrite10(t *testing.T) { - testWriteN(t, "10", 10) -} - -func TestWrite100(t *testing.T) { - testWriteN(t, "100", 100) -} - -func TestWrite1M(t *testing.T) { - testWriteN(t, "1M", 1024*1024) -} - -func TestWrite1Mx100(t *testing.T) { - hashWant := testWriteN(t, "1Mx100", 1024*1024) - // Read and check 100 times to catch race conditions - var i int - for i = 0; i < 100; i++ { - hashActual := md5fn(defaultPlainDir + "1M") - if hashActual != hashWant { - fmt.Printf("Read corruption in loop # %d\n", i) - t.FailNow() - } else { - //fmt.Print(".") - } - } -} - -func TestTruncate(t *testing.T) { - fn := defaultPlainDir + "truncate" - file, err := os.Create(fn) - if err != nil { - t.FailNow() - } - // Grow to two blocks - file.Truncate(7000) - verifySize(t, fn, 7000) - if md5fn(fn) != "95d4ec7038e3e4fdbd5f15c34c3f0b34" { - t.Errorf("wrong content") - } - // Shrink - needs RMW - file.Truncate(6999) - verifySize(t, fn, 6999) - if md5fn(fn) != "35fd15873ec6c35380064a41b9b9683b" { - t.Errorf("wrong content") - } - // Shrink to one partial block - file.Truncate(465) - verifySize(t, fn, 465) - if md5fn(fn) != "a1534d6e98a6b21386456a8f66c55260" { - t.Errorf("wrong content") - } - // Grow to exactly one block - file.Truncate(4096) - verifySize(t, fn, 4096) - if md5fn(fn) != "620f0b67a91f7f74151bc5be745b7110" { - t.Errorf("wrong content") - } -} - -func TestAppend(t *testing.T) { - fn := defaultPlainDir + "append" - file, err := os.Create(fn) - if err != nil { - t.FailNow() - } - data := []byte("testdata123456789") // length 17 - var buf bytes.Buffer - var hashWant string - for i := 0; i <= 500; i++ { - file.Write(data) - buf.Write(data) - bin := md5.Sum(buf.Bytes()) - hashWant = hex.EncodeToString(bin[:]) - hashActual := md5fn(fn) - if hashWant != hashActual { - t.FailNow() - } - } - - // Overwrite with the same data - // Hash must stay the same - file.Seek(0, 0) - for i := 0; i <= 500; i++ { - file.Write(data) - hashActual := md5fn(fn) - if hashWant != hashActual { - t.FailNow() - } - } -} - -// Create a file with holes by writing to offset 0 (block #0) and -// offset 4096 (block #1). -func TestFileHoles(t *testing.T) { - fn := defaultPlainDir + "fileholes" - file, err := os.Create(fn) - if err != nil { - t.Errorf("file create failed") - } - foo := []byte("foo") - file.Write(foo) - file.WriteAt(foo, 4096) - _, err = ioutil.ReadFile(fn) - if err != nil { - t.Error(err) - } -} - -// sContains - does the slice of strings "haystack" contain "needle"? -func sContains(haystack []string, needle string) bool { - for _, element := range haystack { - if element == needle { - return true - } - } - return false -} - -func TestRmwRace(t *testing.T) { - - runtime.GOMAXPROCS(10) - - fn := defaultPlainDir + "rmwrace" - f1, err := os.Create(fn) - if err != nil { - t.Fatalf("file create failed") - } - f2, err := os.Create(fn) - if err != nil { - t.Fatalf("file create failed") - } - - oldBlock := bytes.Repeat([]byte("o"), 4096) - - newBlock := bytes.Repeat([]byte("n"), 4096) - - shortBlock := bytes.Repeat([]byte("s"), 16) - - mergedBlock := make([]byte, 4096) - copy(mergedBlock, newBlock) - copy(mergedBlock[4080:], shortBlock) - - goodMd5 := make(map[string]int) - - for i := 0; i < 1000; i++ { - // Reset to [ooooooooo] - _, err = f1.WriteAt(oldBlock, 0) - if err != nil { - t.Fatalf("Write failed") - } - - var wg sync.WaitGroup - wg.Add(2) - - // Write to the end of the file, [....ssss] - go func() { - f1.WriteAt(shortBlock, 4080) - wg.Done() - }() - - // Overwrite to [nnnnnnn] - go func() { - f2.WriteAt(newBlock, 0) - wg.Done() - }() - - wg.Wait() - - // The file should be either: - // [nnnnnnnnnn] (md5: 6c1660fdabccd448d1359f27b3db3c99) or - // [nnnnnnssss] (md5: da885006a6a284530a427c73ce1e5c32) - // but it must not be - // [oooooossss] - - buf, _ := ioutil.ReadFile(fn) - m := md5hex(buf) - goodMd5[m] = goodMd5[m] + 1 - - /* - if m == "6c1660fdabccd448d1359f27b3db3c99" { - fmt.Println(hex.Dump(buf)) - t.FailNow() - } - */ - } - if testing.Verbose() { - fmt.Println(goodMd5) - } -} - -// With "--plaintextnames", the name "/gocryptfs.conf" is reserved. -// Otherwise there should be no restrictions. -func TestFiltered(t *testing.T) { - filteredFile := defaultPlainDir + "gocryptfs.conf" - file, err := os.Create(filteredFile) - if plaintextNames == true && err == nil { - t.Errorf("should have failed but didn't") - } else if plaintextNames == false && err != nil { - t.Error(err) - } - file.Close() - - err = os.Remove(filteredFile) - if plaintextNames == true && err == nil { - t.Errorf("should have failed but didn't") - } else if plaintextNames == false && err != nil { - t.Error(err) - } -} - -func TestFilenameEncryption(t *testing.T) { - file, err := os.Create(defaultPlainDir + "TestFilenameEncryption.txt") - file.Close() - if err != nil { - t.Fatal(err) - } - - _, err = os.Stat(defaultCipherDir + "TestFilenameEncryption.txt") - if plaintextNames == true && err != nil { - t.Errorf("plaintextnames not working: %v", err) - } else if plaintextNames == false && err == nil { - t.Errorf("file name encryption not working") - } -} - -// Test Mkdir and Rmdir -func TestMkdirRmdir(t *testing.T) { - testMkdirRmdir(t, defaultPlainDir) -} - -// Test Rename -func TestRename(t *testing.T) { - testRename(t, defaultPlainDir) -} - -// Overwrite an empty directory with another directory -func TestDirOverwrite(t *testing.T) { - dir1 := defaultPlainDir + "DirOverwrite1" - dir2 := defaultPlainDir + "DirOverwrite2" - err := os.Mkdir(dir1, 0777) - if err != nil { - t.Fatal(err) - } - err = os.Mkdir(dir2, 0777) - if err != nil { - t.Fatal(err) - } - err = os.Rename(dir1, dir2) - if err != nil { - t.Fatal(err) - } -} - -func TestLongNames(t *testing.T) { - fi, err := ioutil.ReadDir(defaultCipherDir) - if err != nil { - t.Fatal(err) - } - cnt1 := len(fi) - wd := defaultPlainDir - // Create file with long name - n255x := string(bytes.Repeat([]byte("x"), 255)) - f, err := os.Create(wd + n255x) - if err != nil { - t.Fatalf("Could not create n255x: %v", err) - } - f.Close() - if !verifyExistence(wd + n255x) { - t.Errorf("n255x is not in directory listing") - } - // Rename long to long - n255y := string(bytes.Repeat([]byte("y"), 255)) - err = os.Rename(wd+n255x, wd+n255y) - if err != nil { - t.Fatalf("Could not rename n255x to n255y: %v", err) - } - if !verifyExistence(wd + n255y) { - t.Errorf("n255y is not in directory listing") - } - // Rename long to short - err = os.Rename(wd+n255y, wd+"short") - if err != nil { - t.Fatalf("Could not rename n255y to short: %v", err) - } - if !verifyExistence(wd + "short") { - t.Errorf("short is not in directory listing") - } - // Rename short to long - err = os.Rename(wd+"short", wd+n255x) - if err != nil { - t.Fatalf("Could not rename short to n255x: %v", err) - } - if !verifyExistence(wd + n255x) { - t.Errorf("255x is not in directory listing II") - } - // Unlink - err = syscall.Unlink(wd + n255x) - if err != nil { - t.Fatalf("Could not unlink n255x: %v", err) - } - if verifyExistence(wd + n255x) { - t.Errorf("n255x still there after unlink") - } - // Long symlink - n255s := string(bytes.Repeat([]byte("s"), 255)) - err = os.Symlink("/etc/motd", wd+n255s) - if err != nil { - t.Fatal(err) - } - if !verifyExistence(wd + n255s) { - t.Errorf("n255s is not in directory listing") - } - err = syscall.Unlink(wd + n255s) - if err != nil { - t.Error(err) - } - // Long dir - n255d := string(bytes.Repeat([]byte("d"), 255)) - err = os.Mkdir(wd+n255d, 0777) - if err != nil { - t.Fatal(err) - } - err = syscall.Rmdir(wd + n255d) - if err != nil { - t.Error(err) - } - // Check for orphaned files - fi, err = ioutil.ReadDir(defaultCipherDir) - if err != nil { - t.Fatal(err) - } - cnt2 := len(fi) - if cnt1 != cnt2 { - t.Errorf("Leftover files, cnt1=%d cnt2=%d", cnt1, cnt2) - } -} |