зеркало из https://github.com/microsoft/docker.git
1163 строки
30 KiB
Go
1163 строки
30 KiB
Go
package archive
|
|
|
|
import (
|
|
"archive/tar"
|
|
"bytes"
|
|
"fmt"
|
|
"io"
|
|
"io/ioutil"
|
|
"os"
|
|
"os/exec"
|
|
"path/filepath"
|
|
"runtime"
|
|
"strings"
|
|
"testing"
|
|
"time"
|
|
)
|
|
|
|
var tmp string
|
|
|
|
func init() {
|
|
tmp = "/tmp/"
|
|
if runtime.GOOS == "windows" {
|
|
tmp = os.Getenv("TEMP") + `\`
|
|
}
|
|
}
|
|
|
|
func TestIsArchiveNilHeader(t *testing.T) {
|
|
out := IsArchive(nil)
|
|
if out {
|
|
t.Fatalf("isArchive should return false as nil is not a valid archive header")
|
|
}
|
|
}
|
|
|
|
func TestIsArchiveInvalidHeader(t *testing.T) {
|
|
header := []byte{0x00, 0x01, 0x02}
|
|
out := IsArchive(header)
|
|
if out {
|
|
t.Fatalf("isArchive should return false as %s is not a valid archive header", header)
|
|
}
|
|
}
|
|
|
|
func TestIsArchiveBzip2(t *testing.T) {
|
|
header := []byte{0x42, 0x5A, 0x68}
|
|
out := IsArchive(header)
|
|
if !out {
|
|
t.Fatalf("isArchive should return true as %s is a bz2 header", header)
|
|
}
|
|
}
|
|
|
|
func TestIsArchive7zip(t *testing.T) {
|
|
header := []byte{0x50, 0x4b, 0x03, 0x04}
|
|
out := IsArchive(header)
|
|
if out {
|
|
t.Fatalf("isArchive should return false as %s is a 7z header and it is not supported", header)
|
|
}
|
|
}
|
|
|
|
func TestIsArchivePathDir(t *testing.T) {
|
|
cmd := exec.Command("sh", "-c", "mkdir -p /tmp/archivedir")
|
|
output, err := cmd.CombinedOutput()
|
|
if err != nil {
|
|
t.Fatalf("Fail to create an archive file for test : %s.", output)
|
|
}
|
|
if IsArchivePath(tmp + "archivedir") {
|
|
t.Fatalf("Incorrectly recognised directory as an archive")
|
|
}
|
|
}
|
|
|
|
func TestIsArchivePathInvalidFile(t *testing.T) {
|
|
cmd := exec.Command("sh", "-c", "dd if=/dev/zero bs=1024 count=1 of=/tmp/archive && gzip --stdout /tmp/archive > /tmp/archive.gz")
|
|
output, err := cmd.CombinedOutput()
|
|
if err != nil {
|
|
t.Fatalf("Fail to create an archive file for test : %s.", output)
|
|
}
|
|
if IsArchivePath(tmp + "archive") {
|
|
t.Fatalf("Incorrectly recognised invalid tar path as archive")
|
|
}
|
|
if IsArchivePath(tmp + "archive.gz") {
|
|
t.Fatalf("Incorrectly recognised invalid compressed tar path as archive")
|
|
}
|
|
}
|
|
|
|
func TestIsArchivePathTar(t *testing.T) {
|
|
var whichTar string
|
|
if runtime.GOOS == "solaris" {
|
|
whichTar = "gtar"
|
|
} else {
|
|
whichTar = "tar"
|
|
}
|
|
cmdStr := fmt.Sprintf("touch /tmp/archivedata && %s -cf /tmp/archive /tmp/archivedata && gzip --stdout /tmp/archive > /tmp/archive.gz", whichTar)
|
|
cmd := exec.Command("sh", "-c", cmdStr)
|
|
output, err := cmd.CombinedOutput()
|
|
if err != nil {
|
|
t.Fatalf("Fail to create an archive file for test : %s.", output)
|
|
}
|
|
if !IsArchivePath(tmp + "/archive") {
|
|
t.Fatalf("Did not recognise valid tar path as archive")
|
|
}
|
|
if !IsArchivePath(tmp + "archive.gz") {
|
|
t.Fatalf("Did not recognise valid compressed tar path as archive")
|
|
}
|
|
}
|
|
|
|
func testDecompressStream(t *testing.T, ext, compressCommand string) {
|
|
cmd := exec.Command("sh", "-c",
|
|
fmt.Sprintf("touch /tmp/archive && %s /tmp/archive", compressCommand))
|
|
output, err := cmd.CombinedOutput()
|
|
if err != nil {
|
|
t.Fatalf("Failed to create an archive file for test : %s.", output)
|
|
}
|
|
filename := "archive." + ext
|
|
archive, err := os.Open(tmp + filename)
|
|
if err != nil {
|
|
t.Fatalf("Failed to open file %s: %v", filename, err)
|
|
}
|
|
defer archive.Close()
|
|
|
|
r, err := DecompressStream(archive)
|
|
if err != nil {
|
|
t.Fatalf("Failed to decompress %s: %v", filename, err)
|
|
}
|
|
if _, err = ioutil.ReadAll(r); err != nil {
|
|
t.Fatalf("Failed to read the decompressed stream: %v ", err)
|
|
}
|
|
if err = r.Close(); err != nil {
|
|
t.Fatalf("Failed to close the decompressed stream: %v ", err)
|
|
}
|
|
}
|
|
|
|
func TestDecompressStreamGzip(t *testing.T) {
|
|
testDecompressStream(t, "gz", "gzip -f")
|
|
}
|
|
|
|
func TestDecompressStreamBzip2(t *testing.T) {
|
|
testDecompressStream(t, "bz2", "bzip2 -f")
|
|
}
|
|
|
|
func TestDecompressStreamXz(t *testing.T) {
|
|
if runtime.GOOS == "windows" {
|
|
t.Skip("Xz not present in msys2")
|
|
}
|
|
testDecompressStream(t, "xz", "xz -f")
|
|
}
|
|
|
|
func TestCompressStreamXzUnsupported(t *testing.T) {
|
|
dest, err := os.Create(tmp + "dest")
|
|
if err != nil {
|
|
t.Fatalf("Fail to create the destination file")
|
|
}
|
|
defer dest.Close()
|
|
|
|
_, err = CompressStream(dest, Xz)
|
|
if err == nil {
|
|
t.Fatalf("Should fail as xz is unsupported for compression format.")
|
|
}
|
|
}
|
|
|
|
func TestCompressStreamBzip2Unsupported(t *testing.T) {
|
|
dest, err := os.Create(tmp + "dest")
|
|
if err != nil {
|
|
t.Fatalf("Fail to create the destination file")
|
|
}
|
|
defer dest.Close()
|
|
|
|
_, err = CompressStream(dest, Xz)
|
|
if err == nil {
|
|
t.Fatalf("Should fail as xz is unsupported for compression format.")
|
|
}
|
|
}
|
|
|
|
func TestCompressStreamInvalid(t *testing.T) {
|
|
dest, err := os.Create(tmp + "dest")
|
|
if err != nil {
|
|
t.Fatalf("Fail to create the destination file")
|
|
}
|
|
defer dest.Close()
|
|
|
|
_, err = CompressStream(dest, -1)
|
|
if err == nil {
|
|
t.Fatalf("Should fail as xz is unsupported for compression format.")
|
|
}
|
|
}
|
|
|
|
func TestExtensionInvalid(t *testing.T) {
|
|
compression := Compression(-1)
|
|
output := compression.Extension()
|
|
if output != "" {
|
|
t.Fatalf("The extension of an invalid compression should be an empty string.")
|
|
}
|
|
}
|
|
|
|
func TestExtensionUncompressed(t *testing.T) {
|
|
compression := Uncompressed
|
|
output := compression.Extension()
|
|
if output != "tar" {
|
|
t.Fatalf("The extension of an uncompressed archive should be 'tar'.")
|
|
}
|
|
}
|
|
func TestExtensionBzip2(t *testing.T) {
|
|
compression := Bzip2
|
|
output := compression.Extension()
|
|
if output != "tar.bz2" {
|
|
t.Fatalf("The extension of a bzip2 archive should be 'tar.bz2'")
|
|
}
|
|
}
|
|
func TestExtensionGzip(t *testing.T) {
|
|
compression := Gzip
|
|
output := compression.Extension()
|
|
if output != "tar.gz" {
|
|
t.Fatalf("The extension of a bzip2 archive should be 'tar.gz'")
|
|
}
|
|
}
|
|
func TestExtensionXz(t *testing.T) {
|
|
compression := Xz
|
|
output := compression.Extension()
|
|
if output != "tar.xz" {
|
|
t.Fatalf("The extension of a bzip2 archive should be 'tar.xz'")
|
|
}
|
|
}
|
|
|
|
func TestCmdStreamLargeStderr(t *testing.T) {
|
|
cmd := exec.Command("sh", "-c", "dd if=/dev/zero bs=1k count=1000 of=/dev/stderr; echo hello")
|
|
out, _, err := cmdStream(cmd, nil)
|
|
if err != nil {
|
|
t.Fatalf("Failed to start command: %s", err)
|
|
}
|
|
errCh := make(chan error)
|
|
go func() {
|
|
_, err := io.Copy(ioutil.Discard, out)
|
|
errCh <- err
|
|
}()
|
|
select {
|
|
case err := <-errCh:
|
|
if err != nil {
|
|
t.Fatalf("Command should not have failed (err=%.100s...)", err)
|
|
}
|
|
case <-time.After(5 * time.Second):
|
|
t.Fatalf("Command did not complete in 5 seconds; probable deadlock")
|
|
}
|
|
}
|
|
|
|
func TestCmdStreamBad(t *testing.T) {
|
|
// TODO Windows: Figure out why this is failing in CI but not locally
|
|
if runtime.GOOS == "windows" {
|
|
t.Skip("Failing on Windows CI machines")
|
|
}
|
|
badCmd := exec.Command("sh", "-c", "echo hello; echo >&2 error couldn\\'t reverse the phase pulser; exit 1")
|
|
out, _, err := cmdStream(badCmd, nil)
|
|
if err != nil {
|
|
t.Fatalf("Failed to start command: %s", err)
|
|
}
|
|
if output, err := ioutil.ReadAll(out); err == nil {
|
|
t.Fatalf("Command should have failed")
|
|
} else if err.Error() != "exit status 1: error couldn't reverse the phase pulser\n" {
|
|
t.Fatalf("Wrong error value (%s)", err)
|
|
} else if s := string(output); s != "hello\n" {
|
|
t.Fatalf("Command output should be '%s', not '%s'", "hello\\n", output)
|
|
}
|
|
}
|
|
|
|
func TestCmdStreamGood(t *testing.T) {
|
|
cmd := exec.Command("sh", "-c", "echo hello; exit 0")
|
|
out, _, err := cmdStream(cmd, nil)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
if output, err := ioutil.ReadAll(out); err != nil {
|
|
t.Fatalf("Command should not have failed (err=%s)", err)
|
|
} else if s := string(output); s != "hello\n" {
|
|
t.Fatalf("Command output should be '%s', not '%s'", "hello\\n", output)
|
|
}
|
|
}
|
|
|
|
func TestUntarPathWithInvalidDest(t *testing.T) {
|
|
tempFolder, err := ioutil.TempDir("", "docker-archive-test")
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
defer os.RemoveAll(tempFolder)
|
|
invalidDestFolder := filepath.Join(tempFolder, "invalidDest")
|
|
// Create a src file
|
|
srcFile := filepath.Join(tempFolder, "src")
|
|
tarFile := filepath.Join(tempFolder, "src.tar")
|
|
os.Create(srcFile)
|
|
os.Create(invalidDestFolder) // being a file (not dir) should cause an error
|
|
|
|
// Translate back to Unix semantics as next exec.Command is run under sh
|
|
srcFileU := srcFile
|
|
tarFileU := tarFile
|
|
if runtime.GOOS == "windows" {
|
|
tarFileU = "/tmp/" + filepath.Base(filepath.Dir(tarFile)) + "/src.tar"
|
|
srcFileU = "/tmp/" + filepath.Base(filepath.Dir(srcFile)) + "/src"
|
|
}
|
|
|
|
cmd := exec.Command("sh", "-c", "tar cf "+tarFileU+" "+srcFileU)
|
|
_, err = cmd.CombinedOutput()
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
err = UntarPath(tarFile, invalidDestFolder)
|
|
if err == nil {
|
|
t.Fatalf("UntarPath with invalid destination path should throw an error.")
|
|
}
|
|
}
|
|
|
|
func TestUntarPathWithInvalidSrc(t *testing.T) {
|
|
dest, err := ioutil.TempDir("", "docker-archive-test")
|
|
if err != nil {
|
|
t.Fatalf("Fail to create the destination file")
|
|
}
|
|
defer os.RemoveAll(dest)
|
|
err = UntarPath("/invalid/path", dest)
|
|
if err == nil {
|
|
t.Fatalf("UntarPath with invalid src path should throw an error.")
|
|
}
|
|
}
|
|
|
|
func TestUntarPath(t *testing.T) {
|
|
tmpFolder, err := ioutil.TempDir("", "docker-archive-test")
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
defer os.RemoveAll(tmpFolder)
|
|
srcFile := filepath.Join(tmpFolder, "src")
|
|
tarFile := filepath.Join(tmpFolder, "src.tar")
|
|
os.Create(filepath.Join(tmpFolder, "src"))
|
|
|
|
destFolder := filepath.Join(tmpFolder, "dest")
|
|
err = os.MkdirAll(destFolder, 0740)
|
|
if err != nil {
|
|
t.Fatalf("Fail to create the destination file")
|
|
}
|
|
|
|
// Translate back to Unix semantics as next exec.Command is run under sh
|
|
srcFileU := srcFile
|
|
tarFileU := tarFile
|
|
if runtime.GOOS == "windows" {
|
|
tarFileU = "/tmp/" + filepath.Base(filepath.Dir(tarFile)) + "/src.tar"
|
|
srcFileU = "/tmp/" + filepath.Base(filepath.Dir(srcFile)) + "/src"
|
|
}
|
|
cmd := exec.Command("sh", "-c", "tar cf "+tarFileU+" "+srcFileU)
|
|
_, err = cmd.CombinedOutput()
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
err = UntarPath(tarFile, destFolder)
|
|
if err != nil {
|
|
t.Fatalf("UntarPath shouldn't throw an error, %s.", err)
|
|
}
|
|
expectedFile := filepath.Join(destFolder, srcFileU)
|
|
_, err = os.Stat(expectedFile)
|
|
if err != nil {
|
|
t.Fatalf("Destination folder should contain the source file but did not.")
|
|
}
|
|
}
|
|
|
|
// Do the same test as above but with the destination as file, it should fail
|
|
func TestUntarPathWithDestinationFile(t *testing.T) {
|
|
tmpFolder, err := ioutil.TempDir("", "docker-archive-test")
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
defer os.RemoveAll(tmpFolder)
|
|
srcFile := filepath.Join(tmpFolder, "src")
|
|
tarFile := filepath.Join(tmpFolder, "src.tar")
|
|
os.Create(filepath.Join(tmpFolder, "src"))
|
|
|
|
// Translate back to Unix semantics as next exec.Command is run under sh
|
|
srcFileU := srcFile
|
|
tarFileU := tarFile
|
|
if runtime.GOOS == "windows" {
|
|
tarFileU = "/tmp/" + filepath.Base(filepath.Dir(tarFile)) + "/src.tar"
|
|
srcFileU = "/tmp/" + filepath.Base(filepath.Dir(srcFile)) + "/src"
|
|
}
|
|
cmd := exec.Command("sh", "-c", "tar cf "+tarFileU+" "+srcFileU)
|
|
_, err = cmd.CombinedOutput()
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
destFile := filepath.Join(tmpFolder, "dest")
|
|
_, err = os.Create(destFile)
|
|
if err != nil {
|
|
t.Fatalf("Fail to create the destination file")
|
|
}
|
|
err = UntarPath(tarFile, destFile)
|
|
if err == nil {
|
|
t.Fatalf("UntarPath should throw an error if the destination if a file")
|
|
}
|
|
}
|
|
|
|
// Do the same test as above but with the destination folder already exists
|
|
// and the destination file is a directory
|
|
// It's working, see https://github.com/docker/docker/issues/10040
|
|
func TestUntarPathWithDestinationSrcFileAsFolder(t *testing.T) {
|
|
tmpFolder, err := ioutil.TempDir("", "docker-archive-test")
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
defer os.RemoveAll(tmpFolder)
|
|
srcFile := filepath.Join(tmpFolder, "src")
|
|
tarFile := filepath.Join(tmpFolder, "src.tar")
|
|
os.Create(srcFile)
|
|
|
|
// Translate back to Unix semantics as next exec.Command is run under sh
|
|
srcFileU := srcFile
|
|
tarFileU := tarFile
|
|
if runtime.GOOS == "windows" {
|
|
tarFileU = "/tmp/" + filepath.Base(filepath.Dir(tarFile)) + "/src.tar"
|
|
srcFileU = "/tmp/" + filepath.Base(filepath.Dir(srcFile)) + "/src"
|
|
}
|
|
|
|
cmd := exec.Command("sh", "-c", "tar cf "+tarFileU+" "+srcFileU)
|
|
_, err = cmd.CombinedOutput()
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
destFolder := filepath.Join(tmpFolder, "dest")
|
|
err = os.MkdirAll(destFolder, 0740)
|
|
if err != nil {
|
|
t.Fatalf("Fail to create the destination folder")
|
|
}
|
|
// Let's create a folder that will has the same path as the extracted file (from tar)
|
|
destSrcFileAsFolder := filepath.Join(destFolder, srcFileU)
|
|
err = os.MkdirAll(destSrcFileAsFolder, 0740)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
err = UntarPath(tarFile, destFolder)
|
|
if err != nil {
|
|
t.Fatalf("UntarPath should throw not throw an error if the extracted file already exists and is a folder")
|
|
}
|
|
}
|
|
|
|
func TestCopyWithTarInvalidSrc(t *testing.T) {
|
|
tempFolder, err := ioutil.TempDir("", "docker-archive-test")
|
|
if err != nil {
|
|
t.Fatal(nil)
|
|
}
|
|
destFolder := filepath.Join(tempFolder, "dest")
|
|
invalidSrc := filepath.Join(tempFolder, "doesnotexists")
|
|
err = os.MkdirAll(destFolder, 0740)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
err = CopyWithTar(invalidSrc, destFolder)
|
|
if err == nil {
|
|
t.Fatalf("archiver.CopyWithTar with invalid src path should throw an error.")
|
|
}
|
|
}
|
|
|
|
func TestCopyWithTarInexistentDestWillCreateIt(t *testing.T) {
|
|
tempFolder, err := ioutil.TempDir("", "docker-archive-test")
|
|
if err != nil {
|
|
t.Fatal(nil)
|
|
}
|
|
srcFolder := filepath.Join(tempFolder, "src")
|
|
inexistentDestFolder := filepath.Join(tempFolder, "doesnotexists")
|
|
err = os.MkdirAll(srcFolder, 0740)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
err = CopyWithTar(srcFolder, inexistentDestFolder)
|
|
if err != nil {
|
|
t.Fatalf("CopyWithTar with an inexistent folder shouldn't fail.")
|
|
}
|
|
_, err = os.Stat(inexistentDestFolder)
|
|
if err != nil {
|
|
t.Fatalf("CopyWithTar with an inexistent folder should create it.")
|
|
}
|
|
}
|
|
|
|
// Test CopyWithTar with a file as src
|
|
func TestCopyWithTarSrcFile(t *testing.T) {
|
|
folder, err := ioutil.TempDir("", "docker-archive-test")
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
defer os.RemoveAll(folder)
|
|
dest := filepath.Join(folder, "dest")
|
|
srcFolder := filepath.Join(folder, "src")
|
|
src := filepath.Join(folder, filepath.Join("src", "src"))
|
|
err = os.MkdirAll(srcFolder, 0740)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
err = os.MkdirAll(dest, 0740)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
ioutil.WriteFile(src, []byte("content"), 0777)
|
|
err = CopyWithTar(src, dest)
|
|
if err != nil {
|
|
t.Fatalf("archiver.CopyWithTar shouldn't throw an error, %s.", err)
|
|
}
|
|
_, err = os.Stat(dest)
|
|
// FIXME Check the content
|
|
if err != nil {
|
|
t.Fatalf("Destination file should be the same as the source.")
|
|
}
|
|
}
|
|
|
|
// Test CopyWithTar with a folder as src
|
|
func TestCopyWithTarSrcFolder(t *testing.T) {
|
|
folder, err := ioutil.TempDir("", "docker-archive-test")
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
defer os.RemoveAll(folder)
|
|
dest := filepath.Join(folder, "dest")
|
|
src := filepath.Join(folder, filepath.Join("src", "folder"))
|
|
err = os.MkdirAll(src, 0740)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
err = os.MkdirAll(dest, 0740)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
ioutil.WriteFile(filepath.Join(src, "file"), []byte("content"), 0777)
|
|
err = CopyWithTar(src, dest)
|
|
if err != nil {
|
|
t.Fatalf("archiver.CopyWithTar shouldn't throw an error, %s.", err)
|
|
}
|
|
_, err = os.Stat(dest)
|
|
// FIXME Check the content (the file inside)
|
|
if err != nil {
|
|
t.Fatalf("Destination folder should contain the source file but did not.")
|
|
}
|
|
}
|
|
|
|
func TestCopyFileWithTarInvalidSrc(t *testing.T) {
|
|
tempFolder, err := ioutil.TempDir("", "docker-archive-test")
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
defer os.RemoveAll(tempFolder)
|
|
destFolder := filepath.Join(tempFolder, "dest")
|
|
err = os.MkdirAll(destFolder, 0740)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
invalidFile := filepath.Join(tempFolder, "doesnotexists")
|
|
err = CopyFileWithTar(invalidFile, destFolder)
|
|
if err == nil {
|
|
t.Fatalf("archiver.CopyWithTar with invalid src path should throw an error.")
|
|
}
|
|
}
|
|
|
|
func TestCopyFileWithTarInexistentDestWillCreateIt(t *testing.T) {
|
|
tempFolder, err := ioutil.TempDir("", "docker-archive-test")
|
|
if err != nil {
|
|
t.Fatal(nil)
|
|
}
|
|
defer os.RemoveAll(tempFolder)
|
|
srcFile := filepath.Join(tempFolder, "src")
|
|
inexistentDestFolder := filepath.Join(tempFolder, "doesnotexists")
|
|
_, err = os.Create(srcFile)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
err = CopyFileWithTar(srcFile, inexistentDestFolder)
|
|
if err != nil {
|
|
t.Fatalf("CopyWithTar with an inexistent folder shouldn't fail.")
|
|
}
|
|
_, err = os.Stat(inexistentDestFolder)
|
|
if err != nil {
|
|
t.Fatalf("CopyWithTar with an inexistent folder should create it.")
|
|
}
|
|
// FIXME Test the src file and content
|
|
}
|
|
|
|
func TestCopyFileWithTarSrcFolder(t *testing.T) {
|
|
folder, err := ioutil.TempDir("", "docker-archive-copyfilewithtar-test")
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
defer os.RemoveAll(folder)
|
|
dest := filepath.Join(folder, "dest")
|
|
src := filepath.Join(folder, "srcfolder")
|
|
err = os.MkdirAll(src, 0740)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
err = os.MkdirAll(dest, 0740)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
err = CopyFileWithTar(src, dest)
|
|
if err == nil {
|
|
t.Fatalf("CopyFileWithTar should throw an error with a folder.")
|
|
}
|
|
}
|
|
|
|
func TestCopyFileWithTarSrcFile(t *testing.T) {
|
|
folder, err := ioutil.TempDir("", "docker-archive-test")
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
defer os.RemoveAll(folder)
|
|
dest := filepath.Join(folder, "dest")
|
|
srcFolder := filepath.Join(folder, "src")
|
|
src := filepath.Join(folder, filepath.Join("src", "src"))
|
|
err = os.MkdirAll(srcFolder, 0740)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
err = os.MkdirAll(dest, 0740)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
ioutil.WriteFile(src, []byte("content"), 0777)
|
|
err = CopyWithTar(src, dest+"/")
|
|
if err != nil {
|
|
t.Fatalf("archiver.CopyFileWithTar shouldn't throw an error, %s.", err)
|
|
}
|
|
_, err = os.Stat(dest)
|
|
if err != nil {
|
|
t.Fatalf("Destination folder should contain the source file but did not.")
|
|
}
|
|
}
|
|
|
|
func TestTarFiles(t *testing.T) {
|
|
// TODO Windows: Figure out how to port this test.
|
|
if runtime.GOOS == "windows" {
|
|
t.Skip("Failing on Windows")
|
|
}
|
|
// try without hardlinks
|
|
if err := checkNoChanges(1000, false); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
// try with hardlinks
|
|
if err := checkNoChanges(1000, true); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
}
|
|
|
|
func checkNoChanges(fileNum int, hardlinks bool) error {
|
|
srcDir, err := ioutil.TempDir("", "docker-test-srcDir")
|
|
if err != nil {
|
|
return err
|
|
}
|
|
defer os.RemoveAll(srcDir)
|
|
|
|
destDir, err := ioutil.TempDir("", "docker-test-destDir")
|
|
if err != nil {
|
|
return err
|
|
}
|
|
defer os.RemoveAll(destDir)
|
|
|
|
_, err = prepareUntarSourceDirectory(fileNum, srcDir, hardlinks)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
err = TarUntar(srcDir, destDir)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
changes, err := ChangesDirs(destDir, srcDir)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
if len(changes) > 0 {
|
|
return fmt.Errorf("with %d files and %v hardlinks: expected 0 changes, got %d", fileNum, hardlinks, len(changes))
|
|
}
|
|
return nil
|
|
}
|
|
|
|
func tarUntar(t *testing.T, origin string, options *TarOptions) ([]Change, error) {
|
|
archive, err := TarWithOptions(origin, options)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
defer archive.Close()
|
|
|
|
buf := make([]byte, 10)
|
|
if _, err := archive.Read(buf); err != nil {
|
|
return nil, err
|
|
}
|
|
wrap := io.MultiReader(bytes.NewReader(buf), archive)
|
|
|
|
detectedCompression := DetectCompression(buf)
|
|
compression := options.Compression
|
|
if detectedCompression.Extension() != compression.Extension() {
|
|
return nil, fmt.Errorf("Wrong compression detected. Actual compression: %s, found %s", compression.Extension(), detectedCompression.Extension())
|
|
}
|
|
|
|
tmp, err := ioutil.TempDir("", "docker-test-untar")
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
defer os.RemoveAll(tmp)
|
|
if err := Untar(wrap, tmp, nil); err != nil {
|
|
return nil, err
|
|
}
|
|
if _, err := os.Stat(tmp); err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
return ChangesDirs(origin, tmp)
|
|
}
|
|
|
|
func TestTarUntar(t *testing.T) {
|
|
// TODO Windows: Figure out how to fix this test.
|
|
if runtime.GOOS == "windows" {
|
|
t.Skip("Failing on Windows")
|
|
}
|
|
origin, err := ioutil.TempDir("", "docker-test-untar-origin")
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
defer os.RemoveAll(origin)
|
|
if err := ioutil.WriteFile(filepath.Join(origin, "1"), []byte("hello world"), 0700); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
if err := ioutil.WriteFile(filepath.Join(origin, "2"), []byte("welcome!"), 0700); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
if err := ioutil.WriteFile(filepath.Join(origin, "3"), []byte("will be ignored"), 0700); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
for _, c := range []Compression{
|
|
Uncompressed,
|
|
Gzip,
|
|
} {
|
|
changes, err := tarUntar(t, origin, &TarOptions{
|
|
Compression: c,
|
|
ExcludePatterns: []string{"3"},
|
|
})
|
|
|
|
if err != nil {
|
|
t.Fatalf("Error tar/untar for compression %s: %s", c.Extension(), err)
|
|
}
|
|
|
|
if len(changes) != 1 || changes[0].Path != "/3" {
|
|
t.Fatalf("Unexpected differences after tarUntar: %v", changes)
|
|
}
|
|
}
|
|
}
|
|
|
|
func TestTarWithOptions(t *testing.T) {
|
|
// TODO Windows: Figure out how to fix this test.
|
|
if runtime.GOOS == "windows" {
|
|
t.Skip("Failing on Windows")
|
|
}
|
|
origin, err := ioutil.TempDir("", "docker-test-untar-origin")
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
if _, err := ioutil.TempDir(origin, "folder"); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
defer os.RemoveAll(origin)
|
|
if err := ioutil.WriteFile(filepath.Join(origin, "1"), []byte("hello world"), 0700); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
if err := ioutil.WriteFile(filepath.Join(origin, "2"), []byte("welcome!"), 0700); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
cases := []struct {
|
|
opts *TarOptions
|
|
numChanges int
|
|
}{
|
|
{&TarOptions{IncludeFiles: []string{"1"}}, 2},
|
|
{&TarOptions{ExcludePatterns: []string{"2"}}, 1},
|
|
{&TarOptions{ExcludePatterns: []string{"1", "folder*"}}, 2},
|
|
{&TarOptions{IncludeFiles: []string{"1", "1"}}, 2},
|
|
{&TarOptions{IncludeFiles: []string{"1"}, RebaseNames: map[string]string{"1": "test"}}, 4},
|
|
}
|
|
for _, testCase := range cases {
|
|
changes, err := tarUntar(t, origin, testCase.opts)
|
|
if err != nil {
|
|
t.Fatalf("Error tar/untar when testing inclusion/exclusion: %s", err)
|
|
}
|
|
if len(changes) != testCase.numChanges {
|
|
t.Errorf("Expected %d changes, got %d for %+v:",
|
|
testCase.numChanges, len(changes), testCase.opts)
|
|
}
|
|
}
|
|
}
|
|
|
|
// Some tar archives such as http://haproxy.1wt.eu/download/1.5/src/devel/haproxy-1.5-dev21.tar.gz
|
|
// use PAX Global Extended Headers.
|
|
// Failing prevents the archives from being uncompressed during ADD
|
|
func TestTypeXGlobalHeaderDoesNotFail(t *testing.T) {
|
|
hdr := tar.Header{Typeflag: tar.TypeXGlobalHeader}
|
|
tmpDir, err := ioutil.TempDir("", "docker-test-archive-pax-test")
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
defer os.RemoveAll(tmpDir)
|
|
err = createTarFile(filepath.Join(tmpDir, "pax_global_header"), tmpDir, &hdr, nil, true, nil, false)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
}
|
|
|
|
// Some tar have both GNU specific (huge uid) and Ustar specific (long name) things.
|
|
// Not supposed to happen (should use PAX instead of Ustar for long name) but it does and it should still work.
|
|
func TestUntarUstarGnuConflict(t *testing.T) {
|
|
f, err := os.Open("testdata/broken.tar")
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
defer f.Close()
|
|
|
|
found := false
|
|
tr := tar.NewReader(f)
|
|
// Iterate through the files in the archive.
|
|
for {
|
|
hdr, err := tr.Next()
|
|
if err == io.EOF {
|
|
// end of tar archive
|
|
break
|
|
}
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
if hdr.Name == "root/.cpanm/work/1395823785.24209/Plack-1.0030/blib/man3/Plack::Middleware::LighttpdScriptNameFix.3pm" {
|
|
found = true
|
|
break
|
|
}
|
|
}
|
|
if !found {
|
|
t.Fatalf("%s not found in the archive", "root/.cpanm/work/1395823785.24209/Plack-1.0030/blib/man3/Plack::Middleware::LighttpdScriptNameFix.3pm")
|
|
}
|
|
}
|
|
|
|
func prepareUntarSourceDirectory(numberOfFiles int, targetPath string, makeLinks bool) (int, error) {
|
|
fileData := []byte("fooo")
|
|
for n := 0; n < numberOfFiles; n++ {
|
|
fileName := fmt.Sprintf("file-%d", n)
|
|
if err := ioutil.WriteFile(filepath.Join(targetPath, fileName), fileData, 0700); err != nil {
|
|
return 0, err
|
|
}
|
|
if makeLinks {
|
|
if err := os.Link(filepath.Join(targetPath, fileName), filepath.Join(targetPath, fileName+"-link")); err != nil {
|
|
return 0, err
|
|
}
|
|
}
|
|
}
|
|
totalSize := numberOfFiles * len(fileData)
|
|
return totalSize, nil
|
|
}
|
|
|
|
func BenchmarkTarUntar(b *testing.B) {
|
|
origin, err := ioutil.TempDir("", "docker-test-untar-origin")
|
|
if err != nil {
|
|
b.Fatal(err)
|
|
}
|
|
tempDir, err := ioutil.TempDir("", "docker-test-untar-destination")
|
|
if err != nil {
|
|
b.Fatal(err)
|
|
}
|
|
target := filepath.Join(tempDir, "dest")
|
|
n, err := prepareUntarSourceDirectory(100, origin, false)
|
|
if err != nil {
|
|
b.Fatal(err)
|
|
}
|
|
defer os.RemoveAll(origin)
|
|
defer os.RemoveAll(tempDir)
|
|
|
|
b.ResetTimer()
|
|
b.SetBytes(int64(n))
|
|
for n := 0; n < b.N; n++ {
|
|
err := TarUntar(origin, target)
|
|
if err != nil {
|
|
b.Fatal(err)
|
|
}
|
|
os.RemoveAll(target)
|
|
}
|
|
}
|
|
|
|
func BenchmarkTarUntarWithLinks(b *testing.B) {
|
|
origin, err := ioutil.TempDir("", "docker-test-untar-origin")
|
|
if err != nil {
|
|
b.Fatal(err)
|
|
}
|
|
tempDir, err := ioutil.TempDir("", "docker-test-untar-destination")
|
|
if err != nil {
|
|
b.Fatal(err)
|
|
}
|
|
target := filepath.Join(tempDir, "dest")
|
|
n, err := prepareUntarSourceDirectory(100, origin, true)
|
|
if err != nil {
|
|
b.Fatal(err)
|
|
}
|
|
defer os.RemoveAll(origin)
|
|
defer os.RemoveAll(tempDir)
|
|
|
|
b.ResetTimer()
|
|
b.SetBytes(int64(n))
|
|
for n := 0; n < b.N; n++ {
|
|
err := TarUntar(origin, target)
|
|
if err != nil {
|
|
b.Fatal(err)
|
|
}
|
|
os.RemoveAll(target)
|
|
}
|
|
}
|
|
|
|
func TestUntarInvalidFilenames(t *testing.T) {
|
|
// TODO Windows: Figure out how to fix this test.
|
|
if runtime.GOOS == "windows" {
|
|
t.Skip("Passes but hits breakoutError: platform and architecture is not supported")
|
|
}
|
|
for i, headers := range [][]*tar.Header{
|
|
{
|
|
{
|
|
Name: "../victim/dotdot",
|
|
Typeflag: tar.TypeReg,
|
|
Mode: 0644,
|
|
},
|
|
},
|
|
{
|
|
{
|
|
// Note the leading slash
|
|
Name: "/../victim/slash-dotdot",
|
|
Typeflag: tar.TypeReg,
|
|
Mode: 0644,
|
|
},
|
|
},
|
|
} {
|
|
if err := testBreakout("untar", "docker-TestUntarInvalidFilenames", headers); err != nil {
|
|
t.Fatalf("i=%d. %v", i, err)
|
|
}
|
|
}
|
|
}
|
|
|
|
func TestUntarHardlinkToSymlink(t *testing.T) {
|
|
// TODO Windows. There may be a way of running this, but turning off for now
|
|
if runtime.GOOS == "windows" {
|
|
t.Skip("hardlinks on Windows")
|
|
}
|
|
for i, headers := range [][]*tar.Header{
|
|
{
|
|
{
|
|
Name: "symlink1",
|
|
Typeflag: tar.TypeSymlink,
|
|
Linkname: "regfile",
|
|
Mode: 0644,
|
|
},
|
|
{
|
|
Name: "symlink2",
|
|
Typeflag: tar.TypeLink,
|
|
Linkname: "symlink1",
|
|
Mode: 0644,
|
|
},
|
|
{
|
|
Name: "regfile",
|
|
Typeflag: tar.TypeReg,
|
|
Mode: 0644,
|
|
},
|
|
},
|
|
} {
|
|
if err := testBreakout("untar", "docker-TestUntarHardlinkToSymlink", headers); err != nil {
|
|
t.Fatalf("i=%d. %v", i, err)
|
|
}
|
|
}
|
|
}
|
|
|
|
func TestUntarInvalidHardlink(t *testing.T) {
|
|
// TODO Windows. There may be a way of running this, but turning off for now
|
|
if runtime.GOOS == "windows" {
|
|
t.Skip("hardlinks on Windows")
|
|
}
|
|
for i, headers := range [][]*tar.Header{
|
|
{ // try reading victim/hello (../)
|
|
{
|
|
Name: "dotdot",
|
|
Typeflag: tar.TypeLink,
|
|
Linkname: "../victim/hello",
|
|
Mode: 0644,
|
|
},
|
|
},
|
|
{ // try reading victim/hello (/../)
|
|
{
|
|
Name: "slash-dotdot",
|
|
Typeflag: tar.TypeLink,
|
|
// Note the leading slash
|
|
Linkname: "/../victim/hello",
|
|
Mode: 0644,
|
|
},
|
|
},
|
|
{ // try writing victim/file
|
|
{
|
|
Name: "loophole-victim",
|
|
Typeflag: tar.TypeLink,
|
|
Linkname: "../victim",
|
|
Mode: 0755,
|
|
},
|
|
{
|
|
Name: "loophole-victim/file",
|
|
Typeflag: tar.TypeReg,
|
|
Mode: 0644,
|
|
},
|
|
},
|
|
{ // try reading victim/hello (hardlink, symlink)
|
|
{
|
|
Name: "loophole-victim",
|
|
Typeflag: tar.TypeLink,
|
|
Linkname: "../victim",
|
|
Mode: 0755,
|
|
},
|
|
{
|
|
Name: "symlink",
|
|
Typeflag: tar.TypeSymlink,
|
|
Linkname: "loophole-victim/hello",
|
|
Mode: 0644,
|
|
},
|
|
},
|
|
{ // Try reading victim/hello (hardlink, hardlink)
|
|
{
|
|
Name: "loophole-victim",
|
|
Typeflag: tar.TypeLink,
|
|
Linkname: "../victim",
|
|
Mode: 0755,
|
|
},
|
|
{
|
|
Name: "hardlink",
|
|
Typeflag: tar.TypeLink,
|
|
Linkname: "loophole-victim/hello",
|
|
Mode: 0644,
|
|
},
|
|
},
|
|
{ // Try removing victim directory (hardlink)
|
|
{
|
|
Name: "loophole-victim",
|
|
Typeflag: tar.TypeLink,
|
|
Linkname: "../victim",
|
|
Mode: 0755,
|
|
},
|
|
{
|
|
Name: "loophole-victim",
|
|
Typeflag: tar.TypeReg,
|
|
Mode: 0644,
|
|
},
|
|
},
|
|
} {
|
|
if err := testBreakout("untar", "docker-TestUntarInvalidHardlink", headers); err != nil {
|
|
t.Fatalf("i=%d. %v", i, err)
|
|
}
|
|
}
|
|
}
|
|
|
|
func TestUntarInvalidSymlink(t *testing.T) {
|
|
// TODO Windows. There may be a way of running this, but turning off for now
|
|
if runtime.GOOS == "windows" {
|
|
t.Skip("hardlinks on Windows")
|
|
}
|
|
for i, headers := range [][]*tar.Header{
|
|
{ // try reading victim/hello (../)
|
|
{
|
|
Name: "dotdot",
|
|
Typeflag: tar.TypeSymlink,
|
|
Linkname: "../victim/hello",
|
|
Mode: 0644,
|
|
},
|
|
},
|
|
{ // try reading victim/hello (/../)
|
|
{
|
|
Name: "slash-dotdot",
|
|
Typeflag: tar.TypeSymlink,
|
|
// Note the leading slash
|
|
Linkname: "/../victim/hello",
|
|
Mode: 0644,
|
|
},
|
|
},
|
|
{ // try writing victim/file
|
|
{
|
|
Name: "loophole-victim",
|
|
Typeflag: tar.TypeSymlink,
|
|
Linkname: "../victim",
|
|
Mode: 0755,
|
|
},
|
|
{
|
|
Name: "loophole-victim/file",
|
|
Typeflag: tar.TypeReg,
|
|
Mode: 0644,
|
|
},
|
|
},
|
|
{ // try reading victim/hello (symlink, symlink)
|
|
{
|
|
Name: "loophole-victim",
|
|
Typeflag: tar.TypeSymlink,
|
|
Linkname: "../victim",
|
|
Mode: 0755,
|
|
},
|
|
{
|
|
Name: "symlink",
|
|
Typeflag: tar.TypeSymlink,
|
|
Linkname: "loophole-victim/hello",
|
|
Mode: 0644,
|
|
},
|
|
},
|
|
{ // try reading victim/hello (symlink, hardlink)
|
|
{
|
|
Name: "loophole-victim",
|
|
Typeflag: tar.TypeSymlink,
|
|
Linkname: "../victim",
|
|
Mode: 0755,
|
|
},
|
|
{
|
|
Name: "hardlink",
|
|
Typeflag: tar.TypeLink,
|
|
Linkname: "loophole-victim/hello",
|
|
Mode: 0644,
|
|
},
|
|
},
|
|
{ // try removing victim directory (symlink)
|
|
{
|
|
Name: "loophole-victim",
|
|
Typeflag: tar.TypeSymlink,
|
|
Linkname: "../victim",
|
|
Mode: 0755,
|
|
},
|
|
{
|
|
Name: "loophole-victim",
|
|
Typeflag: tar.TypeReg,
|
|
Mode: 0644,
|
|
},
|
|
},
|
|
{ // try writing to victim/newdir/newfile with a symlink in the path
|
|
{
|
|
// this header needs to be before the next one, or else there is an error
|
|
Name: "dir/loophole",
|
|
Typeflag: tar.TypeSymlink,
|
|
Linkname: "../../victim",
|
|
Mode: 0755,
|
|
},
|
|
{
|
|
Name: "dir/loophole/newdir/newfile",
|
|
Typeflag: tar.TypeReg,
|
|
Mode: 0644,
|
|
},
|
|
},
|
|
} {
|
|
if err := testBreakout("untar", "docker-TestUntarInvalidSymlink", headers); err != nil {
|
|
t.Fatalf("i=%d. %v", i, err)
|
|
}
|
|
}
|
|
}
|
|
|
|
func TestTempArchiveCloseMultipleTimes(t *testing.T) {
|
|
reader := ioutil.NopCloser(strings.NewReader("hello"))
|
|
tempArchive, err := NewTempArchive(reader, "")
|
|
buf := make([]byte, 10)
|
|
n, err := tempArchive.Read(buf)
|
|
if n != 5 {
|
|
t.Fatalf("Expected to read 5 bytes. Read %d instead", n)
|
|
}
|
|
for i := 0; i < 3; i++ {
|
|
if err = tempArchive.Close(); err != nil {
|
|
t.Fatalf("i=%d. Unexpected error closing temp archive: %v", i, err)
|
|
}
|
|
}
|
|
}
|