#!/usr/bin/env python3
"""模拟器 32hex hdid 抓取 v7 (严格按约定 doc)。

时序(严格复刻成功案例 hook_emu_spawn_bypass.py):
  1. spawn(挂起)
  2. load bypass_msaoaid_maps_art_callsite.js  (挂起)
  3. load mask_frida_maps_only.js               (挂起)
  4. resume
  5. sleep 11
  6. load patch_guard_block_termination.js
  7. load 主 hook JS: 轮询等模块 -> hook setSafeDeviceId/getHdid/createWupDeviceInfo + SSL_write
命中即写 /tmp/emu_hdid_v7.json, 实时打印。
"""
import frida, time, re, subprocess, json
from pathlib import Path

REMOTE = "127.0.0.1:31878"
PACKAGE = "com.duowan.kiwi"
RE = Path("/Users/yml/codes/Reverse-Engineering-Agent-Universal-v3.0")
OUT = Path("/tmp/emu_hdid_v7.json")

MAIN_JS = r"""
'use strict';
function readStdString(p){
  if (p.isNull()) return null;
  try{
    var first = p.readU8();
    if ((first & 1) === 0) {
      var len = first >> 1;
      return (len>0 && len<256) ? p.add(1).readUtf8String(len) : '';
    } else {
      var data = p.readPointer();
      var len = p.add(8).readU64();
      return (len>0 && len<1024) ? data.readUtf8String(len) : null;
    }
  }catch(e){ return null; }
}
function hexb(p,n){try{return Array.from(new Uint8Array(p.readByteArray(n))).map(b=>('0'+b.toString(16)).slice(-2)).join('');}catch(e){return '';}}
function head(p,n){try{return p.readCString(n);}catch(e){return '';}}
function emit(tag,val){ send({type:tag, tag:tag, val:''+(val||''), ts:Date.now()}); }
var hooked=false, sslDone=false;

function hookUdb(){
  if (hooked) return;
  var md = Process.findModuleByName('libudbauthunify.so');
  if (!md) return;               // 未加载, 等下一轮
  emit('mod-base', ''+md.base);
  try{
    Interceptor.attach(md.base.add(0x26A2E0), {
      onEnter:function(a){ this.sd=readStdString(a[1]); this.hd=readStdString(a[2]); },
      onLeave:function(){
        var hd=(this.hd||''); emit('SETSD', hd+' | sd='+(this.sd||'').slice(0,24));
        if(/^[0-9a-f]{32}$/.test(hd)) emit('FOUND_HDID_32', hd);
      }
    });
  }catch(e){ emit('setSd-err',''+e); }
  try{
    Interceptor.attach(md.base.add(0x26A484), {
      onEnter:function(a){ try{ this.thiz=this.context.x8; }catch(e){ this.thiz=null; } },
      onLeave:function(){
        if(!this.thiz) return;
        try{
          var s=readStdString(this.thiz.add(1088));
          if(s){ emit('GETHDID',''+s); if(/^[0-9a-f]{32}$/.test(s)) emit('FOUND_HDID_32',''+s); }
        }catch(e){}
      }
    });
  }catch(e){ emit('getHdid-err',''+e); }
  try{
    Interceptor.attach(md.base.add(0x2746A0), {
      onLeave:function(ret){
        try{
          var s=readStdString(ret.add(152));
          if(s){ emit('WUPDEV_HDID',''+s); if(/^[0-9a-f]{32}$/.test(s)) emit('FOUND_HDID_32',''+s); }
        }catch(e){ emit('wupdev-err',''+e); }
      }
    });
  }catch(e){ emit('wupdev-err2',''+e); }
  emit('ready','all hooked');
  hooked=true;
}

function hookSSL(){
  if (sslDone) return;
  try{
    var r=new ApiResolver('module');
    r.enumerateMatchesSync('exports:*!SSL_write').forEach(function(m){
      Interceptor.attach(m.address,{onEnter:function(a){
        var len=a[2].toInt32();
        if(len<50||len>50000)return;
        var h=head(a[1],Math.min(len,600));
        if(h.indexOf('hypasswordLogin')>=0||h.indexOf('huyaudbwebui')>=0){
          emit('WUP_FRAME', len+'B '+h.slice(0,80));
        }
      }});
    });
    send({type:'sslwrite-hooked', tag:'ssl'});
  }catch(e){}
  sslDone=true;
}

setInterval(function(){ hookUdb(); }, 300);
setInterval(function(){ hookSSL(); }, 1000);
"""

def load(session, js, wait=0.2):
    try:
        s = session.create_script(js); s.load(); return s
    except Exception as e:
        print("[load-err]", str(e)[:160], flush=True)
        return None

def main():
    subprocess.run(["adb","-s","127.0.0.1:5555","shell","am","force-stop",PACKAGE],
                   capture_output=True)
    time.sleep(1.5)
    d = frida.get_device_manager().add_remote_device(REMOTE)
    pid = d.spawn([PACKAGE])
    print(f"[*] spawn pid={pid}", flush=True)
    session = d.attach(pid)

    # 挂起阶段: 只加载两个 bypass (复刻成功案例)
    load(session, (RE/"evidence/scripts/bypass_msaoaid_maps_skip_cleanup.js").read_text())
    print("[*] bypass_msaoaid loaded", flush=True)
    load(session, (RE/"evidence/scripts/mask_frida_maps_only.js").read_text())
    print("[*] mask_frida loaded", flush=True)

    d.resume(pid)
    print("[*] resumed", flush=True)
    # 立即加载 patch_guard (不 sleep 11! bash-118 成功案例 resume 后立即加载, sleep 期间 App 被杀)
    load(session, (RE/"evidence/scripts/patch_guard_block_termination.js").read_text(), wait=0.1)
    print("[*] patch_guard loaded", flush=True)

    events = []
    def on_message(m, data):
        if m.get('type') == 'error':
            print("[JS-ERR]", str(m)[:200], flush=True); return
        p = m.get('payload') or {}
        t = p.get('type')
        if t in ('SETSD','GETHDID','WUPDEV_HDID','FOUND_HDID_32','mod-base','ready',
                 'setSd-err','getHdid-err','wupdev-err','wupdev-err2'):
            print(f"[{t}] {p.get('val')}", flush=True)
            events.append(p); OUT.write_text(json.dumps(events, indent=1))
        elif t == 'WUP_FRAME':
            print(f"[WUP_FRAME] {p.get('val')}", flush=True)
            events.append(p); OUT.write_text(json.dumps(events, indent=1))
        elif t == 'sslwrite-hooked':
            print("[*] SSL_write hooked", flush=True)

    main_sc = load(session, MAIN_JS)
    if main_sc:
        main_sc.on('message', on_message)

    print("[*] running 150s", flush=True)
    t0 = time.time()
    while time.time() - t0 < 150:
        time.sleep(3)
        if any(e.get('tag') in ('FOUND_HDID_32','SETSD','GETHDID','WUPDEV_HDID') for e in events):
            print("[*] 命中 hdid, 提前停止", flush=True)
            break
    print(f"[*] done, {len(events)} events", flush=True)

if __name__ == "__main__":
    main()