| 1 | //go:build windows |
| 2 | |
| 3 | package winaclresidue |
| 4 | |
| 5 | import ( |
| 6 | "os" |
| 7 | "os/exec" |
| 8 | "path/filepath" |
| 9 | "testing" |
| 10 | ) |
| 11 | |
| 12 | // A dead run's marker is swept (deny removed, marker deleted); a marker whose |
| 13 | // owner is still alive is left for that owner. |
| 14 | func TestSweepStaleMarkersRemovesDeadRunResidueOnly(t *testing.T) { |
| 15 | t.Setenv("TEMP", t.TempDir()) |
| 16 | userSID, err := currentProcessUserSIDString() |
| 17 | if err != nil { |
| 18 | t.Fatal(err) |
| 19 | } |
| 20 | dead := filepath.Join(t.TempDir(), "dead.txt") |
| 21 | live := filepath.Join(t.TempDir(), "live.txt") |
| 22 | for _, path := range []string{dead, live} { |
| 23 | if err := os.WriteFile(path, []byte("secret\n"), 0o600); err != nil { |
| 24 | t.Fatal(err) |
| 25 | } |
| 26 | installLegacyDeny(t, path, userSID) |
| 27 | if _, err := os.ReadFile(path); err == nil { |
| 28 | t.Fatalf("deny did not block reads of %s", path) |
| 29 | } |
| 30 | } |
| 31 | exited := exec.Command("cmd", "/c", "exit 0") |
| 32 | if err := exited.Run(); err != nil { |
| 33 | t.Fatal(err) |
| 34 | } |
| 35 | deadMarker := writeMarker(t, exited.ProcessState.Pid(), dead) |
| 36 | liveMarker := writeMarker(t, os.Getppid(), live) |
| 37 | |
| 38 | SweepStaleMarkers() |
| 39 | |
| 40 | if _, err := os.ReadFile(dead); err != nil { |
| 41 | t.Fatalf("dead run's deny survived the sweep: %v", err) |
| 42 | } |
| 43 | if _, err := os.Stat(deadMarker); !os.IsNotExist(err) { |
| 44 | t.Fatalf("dead marker survived the sweep: %v", err) |
| 45 | } |
| 46 | if _, err := os.ReadFile(live); err == nil { |
| 47 | t.Fatal("live owner's deny was removed") |
| 48 | } |
| 49 | if _, err := os.Stat(liveMarker); err != nil { |
| 50 | t.Fatalf("live marker was deleted: %v", err) |
| 51 | } |
| 52 | } |
| 53 |