84 lines
2.5 KiB
Go
84 lines
2.5 KiB
Go
//go:build windows
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package backup
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import (
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"errors"
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"os"
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"path/filepath"
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"testing"
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"github.com/aritmolab/thothii/tools/tht/internal/safeio"
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)
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func TestReplaceRestoreFileWindowsCreatesAndReplacesOwnerOnlyRegular(t *testing.T) {
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parent := filepath.Join(t.TempDir(), "private")
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if err := os.Mkdir(parent, 0o700); err != nil {
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t.Fatal(err)
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}
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if err := safeio.ProtectPrivateDirectory(parent); err != nil {
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t.Fatal(err)
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}
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target := filepath.Join(parent, "auth.yaml")
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if err := replaceRestoreFile(target, []byte("created"), 0o600); err != nil {
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t.Fatal(err)
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}
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if err := safeio.ValidatePrivateRegular(target); err != nil {
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t.Fatalf("created restore file is not owner-only: %v", err)
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}
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if err := replaceRestoreFile(target, []byte("replacement"), 0o600); err != nil {
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t.Fatal(err)
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}
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if err := safeio.ValidatePrivateRegular(target); err != nil {
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t.Fatalf("replacement restore file is not owner-only: %v", err)
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}
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contents, err := os.ReadFile(target)
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if err != nil || string(contents) != "replacement" {
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t.Fatalf("replacement contents = %q, error = %v", contents, err)
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}
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}
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func TestReplaceRestoreFileWindowsPinsParentAndRejectsReparsePath(t *testing.T) {
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root := t.TempDir()
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parent := filepath.Join(root, "private")
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if err := os.Mkdir(parent, 0o700); err != nil {
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t.Fatal(err)
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}
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if err := safeio.ProtectPrivateDirectory(parent); err != nil {
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t.Fatal(err)
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}
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target := filepath.Join(parent, "users.yaml")
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if err := os.WriteFile(target, []byte("old"), 0o600); err != nil {
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t.Fatal(err)
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}
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if err := safeio.ProtectPrivateRegular(target); err != nil {
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t.Fatal(err)
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}
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renamed := parent + "-renamed"
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var hookCalled bool
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restoreHook := safeio.SetPrivateDirectoryTestHookForTest(func(stage string) {
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if stage != "after-restore-parent-open" {
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return
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}
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hookCalled = true
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if err := os.Rename(parent, renamed); err == nil {
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t.Fatal("parent rename succeeded while restore retained its directory handles")
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}
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})
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defer restoreHook()
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if err := replaceRestoreFile(target, []byte("new"), 0o600); err != nil {
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t.Fatal(err)
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}
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if !hookCalled {
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t.Fatal("parent-pinning race hook was not reached")
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}
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link := filepath.Join(root, "reparse-parent")
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if err := os.Symlink(parent, link); err != nil {
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t.Skipf("Windows host does not permit symlink creation: %v", err)
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}
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if err := replaceRestoreFile(filepath.Join(link, "users.yaml"), []byte("unsafe"), 0o600); !errors.Is(err, safeio.ErrUnsafeFile) {
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t.Fatalf("reparse-parent restore error = %v, want ErrUnsafeFile", err)
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}
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}
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