97 lines
2.3 KiB
Go
97 lines
2.3 KiB
Go
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package defaults
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import (
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"bytes"
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"fmt"
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"io/ioutil"
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"os"
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"strings"
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"testing"
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xattr "github.com/rfjakob/pkg-xattr"
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"github.com/rfjakob/gocryptfs/tests/test_helpers"
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)
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// On modern Linux distributions, /tmp may be on tmpfs,
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// which does not support user xattrs. Try /var/tmp instead.
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var alternateTestParentDir = "/var/tmp/gocryptfs-xattr-test-parent"
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func TestMain(m *testing.M) {
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if !xattr.Supported(test_helpers.TmpDir) {
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test_helpers.SwitchTestParentDir(alternateTestParentDir)
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}
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if !xattr.Supported(test_helpers.TmpDir) {
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fmt.Printf("xattrs not supported on %q", test_helpers.TmpDir)
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os.Exit(1)
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}
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test_helpers.ResetTmpDir(true)
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test_helpers.MountOrExit(test_helpers.DefaultCipherDir, test_helpers.DefaultPlainDir, "-zerokey")
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r := m.Run()
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test_helpers.UnmountPanic(test_helpers.DefaultPlainDir)
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os.RemoveAll(test_helpers.TmpDir)
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os.Exit(r)
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}
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func TestXattrSetGetRm(t *testing.T) {
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attr := "user.foo"
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fn := test_helpers.DefaultPlainDir + "/TestXattrSetGetRm"
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err := ioutil.WriteFile(fn, nil, 0700)
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if err != nil {
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t.Fatalf("creating empty file failed: %v", err)
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}
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// Set
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val1 := []byte("123456789")
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err = xattr.Set(fn, attr, val1)
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if err != nil {
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t.Fatal(err)
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}
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// Read back
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val2, err := xattr.Get(fn, attr)
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if err != nil {
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t.Fatal(err)
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}
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if !bytes.Equal(val1, val2) {
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t.Fatalf("wrong readback value: %v != %v", val1, val2)
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}
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// Remove
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err = xattr.Remove(fn, attr)
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if err != nil {
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t.Fatal(err)
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}
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// Read back
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val3, err := xattr.Get(fn, attr)
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if err == nil {
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t.Fatalf("attr is still there after deletion!? val3=%v", val3)
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}
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}
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func TestXattrList(t *testing.T) {
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fn := test_helpers.DefaultPlainDir + "/TestXattrList"
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err := ioutil.WriteFile(fn, nil, 0700)
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if err != nil {
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t.Fatalf("creating empty file failed: %v", err)
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}
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val := []byte("xxxxxxxxyyyyyyyyyyyyyyyzzzzzzzzzzzzz")
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num := 20
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for i := 1; i <= num; i++ {
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attr := fmt.Sprintf("user.TestXattrList.%02d", i)
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err = xattr.Set(fn, attr, val)
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if err != nil {
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t.Fatal(err)
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}
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}
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names, err := xattr.List(fn)
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if err != nil {
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t.Fatal(err)
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}
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if len(names) != num {
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t.Errorf("wrong number of names, want=%d have=%d", num, len(names))
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}
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for _, n := range names {
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if !strings.HasPrefix(n, "user.TestXattrList.") {
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t.Errorf("unexpected attr name: %q", n)
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}
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}
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}
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