refactor(结构): 分层重组 + 清除全部废弃路线
做了什么:
- 包改为分层: tcaptcha/{protocol,telemetry,solvers,ocr,adapters,models,tests}
* protocol/ client.py transport.py proxy.py
* telemetry/ crypto.py values.py key.py opcodes.py
disasm.py program.py layout.py modules.py
* solvers/ text_click.py icon_click.py icon_click_rotate.py slider.py
* ocr/ engines.py slicer.py
* adapters/ one_ms.py
- tools/ 里原本是**包运行时依赖**的 tdc_{disasm,program,layout,modules}.py 并入 telemetry/
（放在 tools/ 属于分层倒置），tools/ 只留 CLI: tdc_key_pure.py / tdc_profile.py / cdp_*.js
- crypto.py 529 -> 340 行: 切除「成功样本模板回填」与「Node 插桩兜底」两条老路；
generate_telemetry 只剩 python_values 一种模式，传别的会直接报错并说明原因
- 求解器改名分清: solver.py -> solvers/icon_click.py（client 实际在用的 YOLO+ResNet18 ONNX），
icon_click_solver.py -> solvers/icon_click_rotate.py（仅测试在用，留作对照）
- pyproject: 去掉 ultralytics/onnx（训练栈已删），补上真正在用的 onnxruntime
删除了什么:
- 雨云整条线 + dist/rainyun_qinglong（104M 旧快照）
- 模板回填: models/success_collect_template.b64、tdc_worker.js、analyze_collect_layout.py
- 「补环境」时代浏览器 JS: chrome_fetch/manual_captcha/probe_captcha/solve_in_browser/tdc_browser
- 旧 VM 探索工具 10 个(tdc_collectgen/tdc_slotmap/tdc_lift/tdc_vm_run/tdc_query/tdc_probe 等)
+ 8 个基于它们的旧 verify 脚本
- 训练/标注/评估: train_classifier/train_detector/prepare_yolo/web_labeler/collector/
siamese/evaluate/benchmark_verify
- tcaptcha/core_js/（60 个分析产物）、TOOLCHAIN_REPORT.md（整篇在描述已删工具）
- 3 个已无任何引用的 PyTorch 权重：icon_classifier.pt 43M / yolo_detector.pt 5.9M /
siamese_matcher.pt 1.6M —— 线上只跑 onnx，tcaptcha/ 117M -> 66M
为什么:
- 项目后面要专门承载「滑块 / 文字点选 / 图标点选」三种求解器；扁平包 + 运行时依赖混在
tools/ + 两条已废弃的 collect 生成路线，会让后续扩展持续踩坑
怎么验证:
- .venv/bin/python -m tcaptcha.selftest 全绿
- scripts/verify/verify_offline.py 逐槽全等 + 分段几何一致
- scripts/verify/verify_values.py 4 份真机明文 152/152 逐槽全等
- scripts/verify/send_test.py --mode python_values 1ms 签到页文字点选 errorCode=0
- 回滚点: tag backup/pre-refactor-20261012
This commit is contained in:
yml2213
@@ -0,0 +1,432 @@
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# -*- coding: utf-8 -*-
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"""
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tdc_program.py —— TDC Chaos VM 「程序结构层」分析器。
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它补的是 VM_SPEC.md §5/§6 自己点出的缺口:
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opcode 表 / 闭包调用约定 早已吃透, 但**模块系统 + 宿主调用序列**一直没被静态说明:
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顶层只"装配模块", 真正干活的代码在闭包被宿主调用时才跑。
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本工具把这些做出确定规格:
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* `closures` —— 全部 CREATE_CLOSURE 站点: (pc, target, caps[(dst,src)], params[reg])
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* `entries` —— 子程序入口集合 = {0} ∪ {所有 closure target}
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* `strings` —— 从字节码折叠出的字面串 (PUSH_EMPTY_STR + 连续 PUSH_STR_CHAR)
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* `owner(pc)` —— 某 pc 属于哪个子程序 (启发式: 覆盖它的、且 ≤pc 的最大入口)
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* `call_graph` —— 子程序 → 它在自己体内创建的闭包 target (静态调用图的"创建边")
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* `xfuncs` —— 同一 target 被多个站点创建的"共享体" (VM 里的复用函数)
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注意 (踩过的坑):
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`_decode_one` 对 CREATE_CLOSURE 的 `operands` **不含 target**(target 只写在 note 里),
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必须自己按 `target = z[pc+1]` 取, 否则会把 cap 寄存器号当成 target。
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用法:
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.venv/bin/python python -m tcaptcha.telemetry.program tcaptcha/tdc_sample.js --summary
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.venv/bin/python python -m tcaptcha.telemetry.program <js> --seq --max 30
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.venv/bin/python python -m tcaptcha.telemetry.program <js> --find getData
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.venv/bin/python python -m tcaptcha.telemetry.program <js> --at 1725
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"""
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from __future__ import annotations
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import argparse
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import re
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import sys
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from dataclasses import dataclass, field
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from pathlib import Path
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from typing import Dict, List, Optional, Sequence, Tuple
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ROOT = Path(__file__).resolve().parents[1]
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if str(ROOT) not in sys.path:
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sys.path.insert(0, str(ROOT))
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from tcaptcha.telemetry.opcodes import derive_opcode_table # noqa: E402
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from tcaptcha.telemetry.disasm import disassemble_cfg, extract_bytecode # noqa: E402
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MIN_STR_LEN = 3
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@dataclass
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class ClosureSite:
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pc: int
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target: int
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caps: List[Tuple[int, int]] = field(default_factory=list) # (新闭包寄存器, 父闭包寄存器)
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params: List[int] = field(default_factory=list) # 形参落到的寄存器号
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@dataclass
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class Program:
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path: str
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z: List[int]
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names: Dict[int, str]
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arity: Dict[int, int]
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dynamic: set
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insts: Dict[int, dict]
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closures: List[ClosureSite]
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strings: List[Tuple[int, str]]
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entries: List[int]
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_owner: Dict[int, int] = field(default_factory=dict)
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# -------------------------------------------------------------- 基本查询
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def name(self, pc: int) -> str:
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i = self.insts.get(pc)
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return i["name"] if i else "?"
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def owner(self, pc: int) -> int:
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"""pc 属于哪个子程序入口。
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注意: 代码布局是「函数体之间夹着父函数的初始化序列 + 内联的子函数体」,
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所以**不能**用"覆盖它的最大入口 ≤pc"来判 (会把父函数续段误判给夹在中间的兄弟函数)。
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这里用**边界感知走法**: 从入口开始走控制流, 一旦走到**另一个函数入口**就停下
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(函数只能被调用进入, 不会被穿过)。
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"""
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if not self._owner:
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self._build_owners()
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return self._owner.get(pc, 0)
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def _next_pc(self, pc: int, inst: dict) -> int:
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"""下一条 fall-through 指令的 pc。CREATE_CLOSURE 是动态长度, 不能用固定 arity。"""
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if inst["name"] == "CREATE_CLOSURE":
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capn, parn = self.z[pc + 2], self.z[pc + 3]
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return pc + 1 + 3 + 2 * capn + parn
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return pc + 1 + self.arity.get(inst["op"], 0)
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def function_code(self, entry: int) -> List[dict]:
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"""边界感知地取某个子程序**自己的**指令序列。"""
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starts = set(self.entries)
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out: Dict[int, dict] = {}
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work = [entry]
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while work:
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pc = work.pop()
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if pc in out or pc >= len(self.z) or pc < 0:
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continue
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if pc != entry and pc in starts: # 进入别的函数体 -> 不跨越
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continue
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inst = self.insts.get(pc)
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if inst is None:
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continue
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out[pc] = inst
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name = inst["name"]
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ops = inst["operands"] or []
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if name == "JUMP":
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work.append(ops[0])
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continue
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if name == "JUMP_IF_TRUE":
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work.append(ops[0])
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work.append(self._next_pc(pc, inst))
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continue
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if name == "PUSH_TRY" and self.arity.get(inst["op"], 0) == 2:
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work.append(ops[0])
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if name == "CREATE_CLOSURE":
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work.append(self.z[pc + 1])
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if name in ("RET_TRUE", "THROW"):
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continue
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work.append(self._next_pc(pc, inst))
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return [out[k] for k in sorted(out)]
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def _build_owners(self) -> None:
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for e in self.entries:
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for inst in self.function_code(e):
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self._owner.setdefault(inst["pc"], e)
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def closures_of(self, entry: int) -> List[ClosureSite]:
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return [c for c in self.closures if self.owner(c.pc) == entry]
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def call_graph(self) -> Dict[int, List[int]]:
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g: Dict[int, List[int]] = {}
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for c in self.closures:
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g.setdefault(self.owner(c.pc), []).append(c.target)
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return {k: sorted(set(v)) for k, v in g.items()}
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def shared_bodies(self) -> Dict[int, List[int]]:
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"""target -> 创建它的站点列表 (长度>1 说明这些站点共用同一个代码体)。"""
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m: Dict[int, List[int]] = {}
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for c in self.closures:
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m.setdefault(c.target, []).append(c.pc)
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return {k: v for k, v in m.items() if len(v) > 1}
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def module_registry(self, entry: int = 0) -> List[Tuple[int, int]]:
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"""识别顶层「模块注册表装配」模式, 返回 [(模块 id, 工厂闭包 entry), ...]。
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模式 (源码级 `registry[id] = function(module, exports, require){...}` 的编译产物):
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DUP; PUSH_IMM [id]; REVERSE_TOP2; JUMP -> @F; @F: CREATE_CLOSURE ...; SET_PROP
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这是整个程序的骨架: 顶层只把 228 个模块工厂按 id 填进一个数组, 入口再 drive 它。
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"""
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code = self.function_code(entry)
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pairs: List[Tuple[int, int]] = []
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for k, inst in enumerate(code):
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if inst["name"] != "CREATE_CLOSURE":
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continue
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for j in range(k - 1, max(-1, k - 4), -1):
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if code[j]["name"] != "JUMP":
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continue
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ops = code[j]["operands"] or []
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if not ops or ops[0] != inst["pc"]:
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continue
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for m in range(j - 1, max(-1, j - 6), -1):
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if code[m]["name"] == "PUSH_IMM" and code[m]["operands"]:
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# 记的是**工厂函数体入口** (CREATE_CLOSURE 的 target), 不是创建站点
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pairs.append((int(code[m]["operands"][0]), self.z[inst["pc"] + 1]))
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break
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break
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seen, out = set(), []
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for mid, tgt in sorted(pairs):
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if mid in seen:
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continue
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seen.add(mid)
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out.append((mid, tgt))
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return out
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# ---------------------------------------------------------- 轻量符号求值
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def symbolic_assignments(self, entry: int, limit: int = 30) -> List[Tuple[str, str]]:
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"""对一个小函数(如采集器模块)做**线性符号求值**, 还原 `rN = <表达式>`。
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只覆盖这类小模块实际用到的形状: 字面串 / BIND_THIS / MAKE_(REG_)PROP_REF /
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GET_PROP / GET_GLOBAL_PROP / NEW_FUNC / CALL_FUNC / CALL_METHOD / STORE_REG /
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LOAD_REG_IMM / REVERSE_TOP2 / DUP / 算术。
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目的: 把"这一槽取的是什么值"变成可读路径, 例如 `c.navigator.userAgent`。
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说明: 遇到分支时按 pc 顺序近似处理, 结果用于**定位语义**, 不作为执行依据。
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"""
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regs: Dict[int, str] = {}
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out: List[Tuple[str, str]] = []
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st: List[Tuple[str, str]] = [] # ("reg", n) | ("sym", text)
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def top() -> Tuple[str, str]:
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return st[-1] if st else ("sym", "?")
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# 栈上元素形如 ("reg", int) | ("sym", str)：`[1]` 可能是 int,
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# 插值进 f-string 前必须统一转 str（早期版本在 CALL_* 处直接 join 会 TypeError）。
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def txt(x: Tuple[str, object]) -> str:
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return str(x[1]) if isinstance(x, tuple) else str(x)
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def popn(n: int) -> List[Tuple[str, str]]:
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r = st[-n:] if n else []
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del st[len(st) - n:]
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return r
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for inst in self.function_code(entry):
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n, ops = inst["name"], inst["operands"] or []
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if n == "PUSH_IMM_ARRAY":
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st.append(("reg", ops[0]))
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elif n == "PUSH_EMPTY_STR":
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st.append(("sym", ""))
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elif n == "PUSH_STR_CHAR":
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k, v = top()
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st[-1] = ("sym", v + chr(ops[0] & 0xFF))
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elif n == "PUSH_IMM":
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st.append(("sym", str(ops[0])))
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elif n == "PUSH_UNDEFINED":
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st.append(("sym", "undefined"))
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elif n == "PUSH_NULL":
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st.append(("sym", "null"))
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elif n == "PUSH_TRUE":
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st.append(("sym", "true"))
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elif n == "PUSH_FALSE":
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st.append(("sym", "false"))
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elif n == "LOAD_REG_IMM":
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st.append(("sym", regs.get(ops[0], f"r{ops[0]}")))
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elif n == "LOAD_REG_INDIRECT":
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k, v = st.pop() if st else ("sym", "?")
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st.append(("sym", regs.get(int(v), f"r{v}") if str(v).isdigit() else v))
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elif n == "BIND_THIS":
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k, v = st.pop() if st else ("sym", "?")
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st.append(("sym", f"c.{txt(('sym', v))}"))
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elif n == "MAKE_PROP_REF":
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key = txt(top())
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popn(1)
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base = txt(top())
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popn(1)
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st.append(("sym", f"{base}.{key}"))
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elif n == "MAKE_REG_PROP_REF":
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key = txt(top())
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popn(1)
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k, v = st.pop() if st else ("sym", "?")
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st.append(("sym", f"{regs.get(v, f'r{v}')}.{key}"))
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elif n == "GET_GLOBAL_PROP":
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st[-1] = ("sym", f"c.{txt(top())}")
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elif n in ("GET_PROP", "GET_ELEM"):
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pass
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elif n in ("ADD", "SUB", "MUL", "DIV", "MOD", "BIT_AND", "BIT_OR", "BIT_XOR",
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"SHL", "SHR", "SHR_U", "EQ", "EQ_STRICT", "GREATER"):
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if len(st) >= 2:
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b = txt(top())
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popn(1)
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a = txt(top())
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popn(1)
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st.append(("sym", f"({a} {n} {b})"))
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elif n in ("NEW_FUNC", "NEW_METHOD"):
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args = popn(int(ops[0]) if ops else 0)
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fn = txt(st.pop()) if st else "?"
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st.append(("sym", f"new {fn}({','.join(txt(x) for x in args)})"))
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elif n == "CALL_FUNC":
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args = popn(int(ops[0]) if ops else 0)
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fn = txt(st.pop()) if st else "?"
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st.append(("sym", f"{fn}({','.join(txt(x) for x in args)})"))
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elif n == "CALL_METHOD":
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args = popn(int(ops[0]) if ops else 0)
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tgt = txt(st.pop()) if st else "?"
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st.append(("sym", f"{tgt}({','.join(txt(x) for x in args)})"))
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elif n == "STORE_REG":
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v = txt(st.pop()) if st else "?"
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k, ref = st.pop() if st else ("sym", "?")
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if k == "reg":
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regs[ref] = v
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out.append((f"r{ref}", v))
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elif n == "DUP":
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if st:
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st.append(st[-1])
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elif n == "REVERSE_TOP2":
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if len(st) >= 2:
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st[-1], st[-2] = st[-2], st[-1]
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elif n in ("POP", "SET_PROP", "ALLOC_REG", "SET_STACK_LEN", "REPLACE_TOP_IMM"):
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if n in ("POP", "SET_PROP") and st:
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st.pop()
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if len(out) >= limit:
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break
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return out
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def find_strings(self, pattern: str) -> List[Tuple[int, str, int]]:
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"""返回 (pc, 串, 所属子程序入口)。"""
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rx = re.compile(pattern, re.I)
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return [(pc, s, self.owner(pc)) for pc, s in self.strings if rx.search(s)]
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def _fold_strings(insts: Dict[int, dict]) -> List[Tuple[int, str]]:
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"""PUSH_EMPTY_STR 后跟一串 PUSH_STR_CHAR -> 还原字面串 (tdc_disasm 不做这步)。"""
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out: List[Tuple[int, str]] = []
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cur_pc: Optional[int] = None
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buf: List[str] = []
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for pc in sorted(insts):
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i = insts[pc]
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n = i["name"]
|
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if n == "PUSH_EMPTY_STR":
|
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cur_pc, buf = pc, []
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continue
|
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if n == "PUSH_STR_CHAR" and cur_pc is not None:
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ops = i["operands"] or []
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if ops:
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buf.append(chr(ops[0] & 0xFF))
|
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continue
|
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if cur_pc is not None:
|
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if len(buf) >= MIN_STR_LEN:
|
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out.append((cur_pc, "".join(buf)))
|
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cur_pc, buf = None, []
|
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if cur_pc is not None and len(buf) >= MIN_STR_LEN:
|
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out.append((cur_pc, "".join(buf)))
|
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return out
|
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|
||||
|
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def load(js_path: str) -> Program:
|
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js = open(js_path, encoding="utf-8", errors="replace").read()
|
||||
z = extract_bytecode(js)
|
||||
names, arity, dynamic, _diag = derive_opcode_table(js)
|
||||
insts = {i["pc"]: i for i in
|
||||
disassemble_cfg(z, 0, True, names=names, arity=arity, dynamic=dynamic)
|
||||
if i["op"] is not None}
|
||||
|
||||
closures: List[ClosureSite] = []
|
||||
for pc, i in insts.items():
|
||||
if i["name"] != "CREATE_CLOSURE":
|
||||
continue
|
||||
target, cap, par = z[pc + 1], z[pc + 2], z[pc + 3]
|
||||
base = pc + 4
|
||||
caps = [(z[base + 2 * k], z[base + 2 * k + 1]) for k in range(cap)]
|
||||
params = [z[base + 2 * cap + k] for k in range(par)]
|
||||
closures.append(ClosureSite(pc=pc, target=target, caps=caps, params=params))
|
||||
|
||||
strings = _fold_strings(insts)
|
||||
entries = sorted({0} | {c.target for c in closures})
|
||||
return Program(path=js_path, z=z, names=names, arity=arity, dynamic=dynamic,
|
||||
insts=insts, closures=sorted(closures, key=lambda c: c.pc),
|
||||
strings=strings, entries=entries)
|
||||
|
||||
|
||||
# --------------------------------------------------------------------------- CLI
|
||||
def main() -> int:
|
||||
ap = argparse.ArgumentParser(description="TDC Chaos VM 程序结构分析")
|
||||
ap.add_argument("path", nargs="?", default=str(ROOT / "tcaptcha/tdc_sample.js"))
|
||||
ap.add_argument("--summary", action="store_true", help="总体规模")
|
||||
ap.add_argument("--seq", action="store_true", help="按子程序列出闭包站点")
|
||||
ap.add_argument("--max", type=int, default=40, help="--seq/--find 的截断条数")
|
||||
ap.add_argument("--find", default=None, help="按正则找字面串")
|
||||
ap.add_argument("--at", type=int, default=None, help="看某个 pc 属于谁")
|
||||
ap.add_argument("--shared", action="store_true", help="列出被多个站点共享的闭包体")
|
||||
ap.add_argument("--func", type=int, default=None, help="打印某个子程序**自己的**指令序列")
|
||||
ap.add_argument("--asm-out", default=None, help="--func 时把反汇编写到该文件")
|
||||
ap.add_argument("--modules", action="store_true", help="导出模块注册表 (id -> 工厂 entry)")
|
||||
args = ap.parse_args()
|
||||
|
||||
p = load(args.path)
|
||||
shown = False
|
||||
|
||||
if args.summary or not any([args.seq, args.find is not None, args.at is not None,
|
||||
args.shared, args.func is not None]):
|
||||
shown = True
|
||||
print(f"file : {p.path}")
|
||||
print(f"bytecode : {len(p.z)} ints")
|
||||
print(f"reachable instrs: {len(p.insts)}")
|
||||
print(f"closure sites : {len(p.closures)}")
|
||||
print(f"subprograms : {len(p.entries)} (0 为顶层)")
|
||||
print(f"distinct bodies : {len({c.target for c in p.closures})}")
|
||||
print(f"literal strings : {len(p.strings)} (>= {MIN_STR_LEN} 字符)")
|
||||
|
||||
if args.seq:
|
||||
shown = True
|
||||
g = p.call_graph()
|
||||
print(f"\n--- 子程序与它们创建的闭包 (前 {args.max} 个入口) ---")
|
||||
for e in p.entries[: args.max]:
|
||||
kids = g.get(e, [])
|
||||
st = [s for pc, s in p.strings if p.owner(pc) == e]
|
||||
head = ", ".join(f"{s[:22]!r}" for s in st[:4])
|
||||
print(f" @{e:05d} -> {kids}")
|
||||
if head:
|
||||
print(f" 串: {head}")
|
||||
|
||||
if args.find is not None:
|
||||
shown = True
|
||||
hits = p.find_strings(args.find)
|
||||
print(f"\n--- 字面串匹配 {args.find!r}: {len(hits)} 条 ---")
|
||||
for pc, s, own in hits[: args.max]:
|
||||
print(f" @{pc:05d} [子程序 @{own:05d}] {s[:90]!r}")
|
||||
|
||||
if args.at is not None:
|
||||
shown = True
|
||||
pc = args.at
|
||||
print(f"\n--- pc @{pc} ---")
|
||||
print(f" 指令 : {p.insts.get(pc)}")
|
||||
print(f" 所属 : @{p.owner(pc)}")
|
||||
|
||||
if args.func is not None:
|
||||
shown = True
|
||||
code = p.function_code(args.func)
|
||||
lines = []
|
||||
for x in code:
|
||||
extra = (" " + " ".join(x["note"])) if x["note"] else (
|
||||
(" " + str(x["operands"])) if x["operands"] else "")
|
||||
lines.append(f"@{x['pc']:05d}: {x['name']:<18}{extra}")
|
||||
print(f"\n--- 子程序 @{args.func} 自身指令: {len(lines)} 条 ---")
|
||||
print("\n".join(lines[: args.max]))
|
||||
if args.asm_out:
|
||||
Path(args.asm_out).write_text("\n".join(lines), encoding="utf-8")
|
||||
print(f" -> {args.asm_out}")
|
||||
|
||||
if args.modules:
|
||||
shown = True
|
||||
reg = p.module_registry(0)
|
||||
print(f"\n--- 模块注册表: {len(reg)} 个模块 (registry[id] = 工厂闭包) ---")
|
||||
for mid, tgt in reg[: args.max]:
|
||||
print(f" registry[{mid:3d}] = 工厂 @{tgt}")
|
||||
if len(reg) > args.max:
|
||||
print(f" ... 共 {len(reg)} 个")
|
||||
|
||||
if args.shared:
|
||||
shown = True
|
||||
sh = p.shared_bodies()
|
||||
print(f"\n--- 共享闭包体: {len(sh)} 个 target 被多处创建 ---")
|
||||
for t, sites in sorted(sh.items(), key=lambda kv: -len(kv[1]))[: args.max]:
|
||||
print(f" target @{t:05d} x{len(sites)} sites={sites[:8]}{'...' if len(sites) > 8 else ''}")
|
||||
|
||||
return 0 if shown else 1
|
||||
|
||||
|
||||
if __name__ == "__main__":
|
||||
raise SystemExit(main())
|
||||
Reference in New Issue
Block a user