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274 lines
10 KiB
Python
274 lines
10 KiB
Python
# -*- coding: utf-8 -*-
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"""功能全量模糊测试：找出会"崩"的功能。
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约定：参数不合法应该抛 ValueError（会被转成给用户看的错误提示）。
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抛其它异常（TypeError / KeyError / AttributeError / IndexError / OSError…）
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就是 bug。
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设计要点（第一版太慢，这里改过）：
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* 只 fuzz 功能**自己声明**的参数（key / key2），不再瞎塞 13 个 key。
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之前 perf / installed_apps 这类会真去调 PowerShell，被调了几百次。
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* 有副作用的功能用 DANGEROUS 列表跳过实测。
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* 全屏类每次调用后立刻关掉，避免堆窗口。
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"""
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from __future__ import annotations
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import sys
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import tempfile
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import tkinter as tk
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from pathlib import Path
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ROOT = Path(__file__).resolve().parent.parent
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sys.path.insert(0, str(ROOT / "windows"))
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# 会真的动系统，不实测
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DANGEROUS = {
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"empty_recycle", "close_windows", "sign_out", "sleep", "hibernate",
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"restart_graphics", "minimize_all", "task_view", "restart_explorer",
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"lock_only", "lock_and_off", "clear_clip", "open_recycle", "open_file",
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"display_mode", "fade_volume", "monitor_on", "volume_up", "volume_down",
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"mute_all", "flush_dns", "password_gen", "cinema_mode", "random_song",
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"play_video", "stop_after", "pomodoro", "reminder", "cheer",
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"clip_fav_add", "download_file", "qr_code", "speed_test", "public_ip",
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}
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# 会开全屏窗口的：能测，但测完要关
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FULLSCREEN = {
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"big_text", "big_text_quiet", "countdown_screen", "roll_call", "whiteboard",
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"danmaku", "marquee", "lottery", "dice", "coin_flip", "countdown_321",
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"score_board", "score_change", "matrix_rain", "starfield", "dashboard",
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"stopwatch",
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}
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# 读一次就够、不跟参数走的（避免重复 shell 调用拖慢测试）
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EXPENSIVE = {
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"perf", "disk", "battery", "uptime", "installed_apps", "top_services",
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"event_errors", "temperature", "hardware_info", "startup_items",
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"scheduled_tasks", "system_detail", "recent_files", "network_speed",
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"gpu_info", "arp_devices", "net_adapters", "wifi_password", "disk_by_type",
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"world_clock", "timestamp_now", "uuid_gen", "screen_color",
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}
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JUNK = [None, [], {}, "", "abc", 999999, -1, 0, "a" * 3000]
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PASSED = 0
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CRASHES: list[tuple[str, str, str]] = []
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SLOW_SKIPPED: list[str] = []
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def main() -> int:
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global PASSED
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from lanremote.actions import Actions
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from lanremote.config import Store
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from lanremote.features import Features
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tmp = Path(tempfile.mkdtemp())
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store = Store(tmp)
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class FakeUI:
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root = tk.Tk()
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root.withdraw()
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def ui_call(self, fn, timeout=5.0):
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return fn()
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def screen_size(self):
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return (1920, 1080)
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def notify(self, *a, **k):
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pass
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def log(self, *a, **k):
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pass
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def show_message(self, *a, **k):
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pass
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def close_image(self):
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pass
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actions = Actions(FakeUI(), store)
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features = Features(actions)
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defs = {d["name"]: d for d in features.defs()}
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print(f"功能总数: {len(defs)}", flush=True)
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def cleanup_fullscreen(name):
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if name in FULLSCREEN:
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try:
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features.run("big_text_clear", {})
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except Exception: # noqa: BLE001
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pass
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try:
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FakeUI.root.update()
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except tk.TclError:
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pass
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# ---------------- 一、空参数 ----------------
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print()
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print("=" * 74)
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print("一、空参数（{}）")
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print("=" * 74, flush=True)
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for name in sorted(defs):
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if name in DANGEROUS:
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continue
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try:
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features.run(name, {})
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PASSED += 1
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except ValueError:
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PASSED += 1
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except Exception as exc: # noqa: BLE001
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CRASHES.append((name, "{}", f"{type(exc).__name__}: {exc}"))
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print(f" [崩溃] {name}({{}}) -> {type(exc).__name__}: {exc}", flush=True)
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cleanup_fullscreen(name)
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# ---------------- 二、垃圾参数 ----------------
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print()
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print("=" * 74)
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print("二、垃圾参数（只喂功能自己声明的 key）")
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print("=" * 74, flush=True)
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for name in sorted(defs):
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if name in DANGEROUS:
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continue
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spec = defs[name]
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keys = [k for k in (spec.get("key"), spec.get("key2")) if k]
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if not keys:
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continue # 不接参数的功能，上面那轮已经覆盖
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if name in EXPENSIVE:
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SLOW_SKIPPED.append(name)
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continue
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for key in keys:
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for junk in JUNK:
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try:
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features.run(name, {key: junk})
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PASSED += 1
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except ValueError:
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PASSED += 1
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except Exception as exc: # noqa: BLE001
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CRASHES.append((name, f"{key}={junk!r}"[:40],
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f"{type(exc).__name__}: {exc}"))
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print(f" [崩溃] {name}({key}={junk!r}) -> "
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f"{type(exc).__name__}: {exc}", flush=True)
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break
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cleanup_fullscreen(name)
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# ---------------- 三、越权路径 ----------------
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print()
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print("=" * 74)
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print("三、路径越权（必须全部拒绝）")
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print("=" * 74, flush=True)
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escapes = [
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r"C:\Windows\System32\drivers\etc\hosts",
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r"..\..\Windows\win.ini",
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r"C:\Windows",
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"/etc/passwd",
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r"\\?\C:\Windows\win.ini",
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r"C:Windows\win.ini",
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r"\Windows\win.ini",
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r"C:\Windows\..\Windows\win.ini",
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" C:\\Windows\\win.ini ",
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]
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for path in escapes:
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try:
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resolved = features.resolve_in_roots(path)
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allowed = [str(r.resolve()).lower() for r in features.allowed_roots()]
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inside = any(str(resolved).lower().startswith(a) for a in allowed)
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if inside:
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PASSED += 1
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else:
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CRASHES.append(("resolve_in_roots", repr(path),
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f"逃出允许范围: {resolved}"))
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print(f" [越权!] {path!r} -> {resolved}", flush=True)
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except ValueError:
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PASSED += 1
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except Exception as exc: # noqa: BLE001
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CRASHES.append(("resolve_in_roots", repr(path),
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f"{type(exc).__name__}: {exc}"))
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print(f" [崩溃] {path!r} -> {type(exc).__name__}: {exc}", flush=True)
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# 注意：search_files 接的是 keyword（拿去当文件名匹配），不是路径，
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# 它本来就逃不出允许目录，所以不放在路径测试里。
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file_features = ["list_dir", "make_dir", "rename_file",
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"delete_file", "open_file", "copy_file", "move_file",
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"zip_dir", "unzip", "file_info", "folder_size"]
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for name in file_features:
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for path in escapes[:5]:
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try:
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features.run(name, {"path": path, "to": path, "name": "zz",
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"keyword": "zz"})
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CRASHES.append((name, repr(path), "越权路径竟然被执行了"))
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print(f" [越权!] {name}({path!r}) 竟然执行了", flush=True)
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except ValueError:
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PASSED += 1
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except Exception as exc: # noqa: BLE001
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CRASHES.append((name, repr(path), f"{type(exc).__name__}: {exc}"))
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print(f" [崩溃] {name}({path!r}) -> "
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f"{type(exc).__name__}: {exc}", flush=True)
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# ---------------- 四、目录守卫 ----------------
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print()
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print("=" * 74)
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print("四、目录守卫（不能对允许目录本身动手）")
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print("=" * 74, flush=True)
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for name, params in (("rename_file", {"path": "Downloads", "name": "zz"}),
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("delete_file", {"path": "Desktop"}),
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("move_file", {"path": "Downloads", "to": "Documents"}),
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("copy_file", {"path": "Desktop", "to": "Downloads"})):
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try:
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features.run(name, params)
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CRASHES.append((name, str(params), "竟然允许对允许目录本身动手"))
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print(f" [危险!] {name} 竟然允许了", flush=True)
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except ValueError:
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PASSED += 1
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except Exception as exc: # noqa: BLE001
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CRASHES.append((name, str(params), f"{type(exc).__name__}: {exc}"))
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print(f" [崩溃] {name} -> {type(exc).__name__}: {exc}", flush=True)
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# ---------------- 五、数据目录 ----------------
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print()
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print("五、数据目录（配对码 / 设备令牌）不可访问")
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# 用真实的 store.dir 构成绝对路径来测 —— 相对路径会解析到 Downloads 下，
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# 那是允许目录，测不出东西。真正的 CWD 相对路径由端到端测试覆盖。
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probes = [str(store.dir / "settings.json"), str(store.dir / "devices.json"),
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str(store.dir)]
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for probe in probes:
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try:
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features.resolve_in_roots(probe)
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CRASHES.append(("resolve_in_roots", probe, "数据目录竟然可访问"))
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print(f" [危险!] {probe} 竟然可访问", flush=True)
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except ValueError:
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PASSED += 1
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except Exception as exc: # noqa: BLE001
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CRASHES.append(("resolve_in_roots", probe,
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f"{type(exc).__name__}: {exc}"))
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print(f" [崩溃] {probe} -> {type(exc).__name__}: {exc}", flush=True)
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try:
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FakeUI.root.destroy()
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except tk.TclError:
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pass
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print()
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print("=" * 74)
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print("汇总")
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print("=" * 74)
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print(f" 正常: {PASSED}")
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print(f" 崩溃/越权: {len(CRASHES)}")
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if SLOW_SKIPPED:
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print(f" 跳过的慢功能（只测了空参数）: {', '.join(SLOW_SKIPPED)}")
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if CRASHES:
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print()
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print(" ---- 需要修 ----")
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seen = set()
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for name, arg, err in CRASHES:
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key = (name, err.split(":")[0])
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if key in seen:
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continue
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seen.add(key)
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print(f" {name}({arg})\n {err}")
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return 1 if CRASHES else 0
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if __name__ == "__main__":
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sys.exit(main())
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