{"id":1572,"date":"2024-10-18T02:50:45","date_gmt":"2024-10-17T18:50:45","guid":{"rendered":"http:\/\/www.xiaosuigu.top\/?p=1572"},"modified":"2024-10-18T02:50:45","modified_gmt":"2024-10-17T18:50:45","slug":"unidbg%e5%b8%b8%e7%94%a8%e6%96%b9%e6%b3%95%e8%a7%a3%e9%87%8a","status":"publish","type":"post","link":"https:\/\/www.xiaosuigu.top\/index.php\/2024\/10\/18\/unidbg%e5%b8%b8%e7%94%a8%e6%96%b9%e6%b3%95%e8%a7%a3%e9%87%8a\/","title":{"rendered":"unidbg\u5e38\u7528\u65b9\u6cd5\u89e3\u91ca"},"content":{"rendered":"\n

\u6b64\u6587\u7ae0\u662f\u5bf9\u672c\u4eba\u5728\u521a\u5f00\u59cb\u4f7f\u7528\u65f6\u9047\u5230\u7684\u4e00\u4e9b\u60f3\u4e0d\u901a\u5730\u65b9\u7684\u6574\u7406\uff0c\u60f3\u770b\u8be6\u7ec6\u7684\u6559\u7a0b\u53ef\u4ee5\u70b9\u51fb\u94fe\u63a5\u3002\u611f\u8c22\u5927\u4f6c\u7684\u6587\u7ae0\uff0c\u5199\u7684\u771f\u7684\u662f\u901a\u4fd7\u6613\u61c2\uff01<\/p><\/blockquote>\n\n\n\n

1. \u4f4d\u6570<\/h4>\n\n\n\n
AndroidEmulatorBuilder.for64Bit()\nAndroidEmulatorBuilder.for32Bit()<\/code><\/pre>\n\n\n\n
\u4ee3\u8868\u6a21\u62df\u5668\u9009\u62e9\u8981\u5904\u740632\u4f4dso\u8fd8\u662f64\u4f4dso\u3002\u5982\u679c\u8bbe\u7f6e\u4e3a 32 \u4f4d\uff0c\u90a3\u4e48\u4f20\u5165\u7684\u52a8\u6001\u5e93\u5fc5\u987b\u662f ARM32\uff0c\u5982\u679c\u8bbe\u7f6e\u4e3a 64 \u4f4d\uff0c\u4f20\u5165\u7684\u52a8\u6001\u5e93\u5fc5\u987b\u662f ARM64\u3002<\/p>\n\n\n\n
2. \u8fdb\u7a0b\u540d<\/h4>\n\n\n\n
setProcessName(\"tv.danmaku.bili\")<\/code><\/pre>\n\n\n\n
\u6309\u7167\u6837\u672c\u7684\u771f\u5b9e\u8fdb\u7a0b\u540d\u505a\u8bbe\u7f6e\uff0c\u5426\u5219\u4f1a\u5e26\u6765\u9690\u60a3\u3002\u5728\u4e0d\u8bbe\u7f6e\u7684\u60c5\u51b5\u4e0b\u4f1a\u8fd4\u56deunidbg\uff0c\u6709\u4e9bapp\u4f1a\u5bf9\u8fdb\u7a0b\u540d\u505a\u51fa\u68c0\u6d4b\u3002<\/p>\n\n\n\n
3. \u540e\u7aef<\/h4>\n\n\n\n
emulator = AndroidEmulatorBuilder\n                .for64Bit()\n                .addBackendFactory(new Unicorn2Factory(true))\n                .setProcessName(\"tv.danmaku.bili\")\n                .build();<\/code><\/pre>\n\n\n\n
\u6307\u7684\u662faddBackendFactory(new Unicorn2Factory(true))<\/code>\uff0c\u5728\u4e0d\u5199\u7684\u60c5\u51b5\u4e0b\u9ed8\u8ba4\u4f7f\u7528Unicorn\u4e3a\u540e\u7aef\uff0c\u4f46\u662f\u5728\u4ed6\u4eec\u4e24\u8005\u4e4b\u95f4\u6700\u597d\u662f\u9009\u62e9Unicorn2\uff0c\u56e0\u6b64\u52a0\u4e0a\u8fd9\u6bb5\u4ee3\u7801\u5c31\u884c\u3002<\/p>\n\n\n\n
4. \u6839\u76ee\u5f55<\/h4>\n\n\n\n
emulator = AndroidEmulatorBuilder\n                .for64Bit()\n                .addBackendFactory(new Unicorn2Factory(true))\n                \/\/ \u8bbe\u7f6e\u6839\u76ee\u5f55\n                .setRootDir(new File(\"target\/rootfs\"))\n                .setProcessName(\"tv.danmaku.bili\")\n                .build();<\/code><\/pre>\n\n\n\n
\u76ee\u6807 SO \u53ef\u80fd\u4f1a\u505a\u6587\u4ef6\u8bbf\u95ee\u4e0e\u8bfb\u5199\u64cd\u4f5c\u65f6\uff0c\u5c31\u5e94\u8be5\u8bbe\u7f6e\u6839\u76ee\u5f55\u3002\u5982\u679c\u4e0d\u52a0\u4ee5\u8bbe\u7f6e\uff0cUnidbg \u4f1a\u9ed8\u8ba4\u5728\u672c\u673a\u4e34\u65f6\u76ee\u5f55\u4e0b\u521b\u5efa\u6839\u76ee\u5f55\uff0c\u8fd9\u4f1a\u5728\u5c06\u9879\u76ee\u8fc1\u79fb\u5230\u5176\u4ed6\u7535\u8111\u4e0a\u65f6\u5e26\u6765\u4e0d\u4fbf\u3002\u6240\u4ee5\u6211\u4eec\u4e00\u822c\u4f1a\u4e3b\u52a8\u8bbe\u7f6e\u6839\u76ee\u5f55\uff0c\u5e76\u8bbe\u7f6e\u4e3atarget\/rootfs<\/code>\u8fd9\u4e2a\u76f8\u5bf9\u8def\u5f84\uff0c\u4f7f\u5f97\u6f5c\u5728\u7684\u6587\u4ef6\u4f9d\u8d56\u4f4d\u4e8e\u5728\u5f53\u524d Unidbg \u9879\u76ee\u91cc\uff0c\u65b9\u4fbf\u6253\u5305\u5904\u7406\u548c\u8fc1\u79fb\u3002<\/p>\n\n\n\n
5. \u591a\u7ebf\u7a0b<\/h4>\n\n\n\n
\u5f53 Unidbg \u98d8\u7ea2\u62a5\u9519Out of Memory<\/code>\u65f6\uff0c\u4f60\u9700\u8981\u6253\u5f00 Unidbg \u7684\u591a\u7ebf\u7a0b\u6a21\u5f0f\u3002\u540e\u7aef\u9700\u8981\u8bbe\u7f6e\u6210unicorn2\u3002<\/p>\n\n\n\n
emulator = AndroidEmulatorBuilder.for32Bit()\n        .addBackendFactory(new Unicorn2Factory(false))\n        .setProcessName(\"test\")\n        .build();\n\/\/ \u8bbe\u7f6e\u6267\u884c\u591a\u5c11\u6761\u6307\u4ee4\u5207\u6362\u4e00\u6b21\u7ebf\u7a0b\nemulator.getBackend().registerEmuCountHook(10000);\n\/\/ \u5f00\u542f\u7ebf\u7a0b\u8c03\u5ea6\u5668\nemulator.getSyscallHandler().setEnableThreadDispatcher(true);<\/code><\/pre>\n\n\n\n
6. \u521b\u5efa\u865a\u62df\u673a<\/h4>\n\n\n\n
\/\/\u521b\u5efa\u865a\u62df\u673a\nVM dalvikVM = emulator.createDalvikVM((File) null);\n\/\/\u521b\u5efa\u865a\u62df\u673a\u5e76\u6307\u5b9aAPK\u6587\u4ef6\nVM dalvikVM = emulator.createDalvikVM(new File(\"apk file path\"));<\/code><\/pre>\n\n\n\n
\u63a8\u8350\u4f7f\u7528\u7b2c\u4e8c\u4e2a\u3002unidbg\u5e76\u4e0d\u662f\u5b89\u5353\u6a21\u62df\u5668\uff0c\u52a0\u8f7dAPK\u53ea\u662f\u65b9\u4fbf\u6211\u4eec\u5904\u7406\u3002<\/p>\n\n\n\n
  1. \u89e3\u6790 Apk \u57fa\u672c\u4fe1\u606f\uff0c\u51cf\u5c11\u4f7f\u7528\u8005\u5728\u8865 JNI \u73af\u5883\u4e0a\u7684\u5de5\u4f5c\u91cf\u3002Unidbg \u4f1a\u89e3\u6790 Apk \u7684\u7248\u672c\u540d\u3001\u7248\u672c\u53f7\u3001\u5305\u540d\u3001 Apk \u7b7e\u540d\u7b49\u4fe1\u606f\u3002\u5982\u679c\u6837\u672c\u901a\u8fc7 JNI \u8c03\u7528\u83b7\u53d6\u8fd9\u4e9b\u4fe1\u606f\uff0cUnidbg \u4f1a\u66ff\u6211\u4eec\u505a\u5904\u7406\u3002\u5982\u679c\u6ca1\u6709\u52a0\u8f7d Apk\uff0c\u8fd9\u4e9b\u903b\u8f91\u5c31\u9700\u8981\u6211\u4eec\u53bb\u8865\u73af\u5883\uff0c\u5e73\u6dfb\u4e86\u4e0d\u5c11\u5de5\u4f5c\u91cf\u3002<\/li>
  2. \u89e3\u6790\u548c\u7ba1\u7406 Apk \u8d44\u6e90\u6587\u4ef6\uff0c\u52a0\u8f7d Apk \u540e\u53ef\u4ee5\u901a\u8fc7 openAsset<\/code>\u83b7\u53d6 APK assets<\/code>\u76ee\u5f55\u4e0b\u7684\u6587\u4ef6\u3002\u5982\u679c\u6837\u672c\u901a\u8fc7AAssetManager_open<\/code>\u7b49\u51fd\u6570\u8bbf\u95ee apk \u7684assets<\/code>\uff0cUnidbg \u4f1a\u66ff\u6211\u4eec\u505a\u5904\u7406\u3002<\/li><\/ol>\n\n\n\n
    7. \u52a0\u8f7d SO<\/h4>\n\n\n\n
    \/\/ \u4f20\u5165\u672c\u5730so\u6587\u4ef6\u8def\u5f84\nDalvikModule dm = vm.loadLibrary(new File(soPath), true);\n\/\/ \u4f20\u5165so\u6587\u4ef6\u540d\u79f0\nDalvikModule dm = vm.loadLibrary(\"so\u6587\u4ef6\u540d\u79f0\", true);<\/code><\/pre>\n\n\n\n
    \u53ef\u4ee5\u53d1\u73b0\u533a\u522b\u5728\u4e8e\u7b2c\u4e00\u4e2a\u53c2\u6570\uff0c\u524d\u8005\u4f20\u5165\u6587\u4ef6\u540e\u8005\u4f20\u5165\u52a8\u6001\u5e93\u7684\u540d\u5b57\u3002<\/p>\n\n\n\n
    \u540e\u8005\u5728\u4f7f\u7528\u4e0a\u8fd1\u4f3c\u4e8e JAVA \u7684System.loadLibrary(soName)<\/code>\uff0c\u540d\u5b57\u8981\u6390\u5934\u53bb\u5c3e\uff0c\u5982 libkwsgmain.so \u5bf9\u5e94\u4e3a kwsgmain\u3002<\/p>\n\n\n\n
    8. \u7c7b<\/h4>\n\n\n\n
    DvmClass BiHelper = vm.resolveClass(\"com\/bilibili\/nativelibrary\/LibBili\");<\/code><\/pre>\n\n\n\n
    \u5728java\u5c42\u8c03\u7528\u7684native\u65b9\u6cd5\u4e00\u822c\u4f1a\u5728\u67d0\u4e2a\u7c7b\u4e0b\uff0c\u8fd9\u5c31\u9700\u8981\u5148\u5b9e\u4f8b\u5316\u8fd9\u4e2a\u7c7b\u5728\u8fdb\u884c\u8c03\u7528\u3002\u5728 Unidbg \u4e2d\uff0c\u901a\u8fc7vm.resolveClass(className)<\/code>\u53ef\u4ee5\u58f0\u660e\u4e00\u4e2a\u7c7b\u540d\u662fclassName<\/code>\u7684DvmClass<\/code>\u3002<\/p>\n\n\n\n
    BiHelper.newObject(null)<\/code><\/pre>\n\n\n\n
    \u7136\u540e\u901a\u8fc7newObject(null)<\/code>\u8fdb\u884c\u7c7b\u7684\u5b9e\u4f8b\u5316<\/p>\n\n\n\n
    9. \u8c03\u7528<\/h4>\n\n\n\n
    \u5982\u679c\u8fd4\u56de\u503c\u662f\u5b57\u7b26\u4e32\uff0c\u662f\u5bf9\u8c61\uff0c\u5c31\u7528callJniMethodObject<\/code>\uff0c\u5982\u679c\u8fd4\u56de\u503c\u662f int \u5c31\u7528callJniMethodInt<\/code>\uff0c\u5176\u4ed6\u7684\u6839\u636e\u63d0\u793a\u5bf9\u5e94\u8d77\u6765\u5373\u53ef\u3002<\/p>\n\n\n\n
    \u5982\u679c\u8c03\u7528\u7684\u65b9\u6cd5\u662f\u9759\u6001\u65b9\u6cd5\uff0c\u90a3\u4e48\u81ea\u7136\u4e0d\u9700\u8981 newObject\uff0c\u8c03\u7528\u5219\u901a\u8fc7 callStaticJNIMethodXXX<\/code> \u7cfb\u5217\u51fd\u6570\u3002<\/p>\n\n\n\n
    10. \u53c2\u6570\u4f20\u9012<\/h4>\n\n\n\n
    • \u57fa\u672c\u7c7b\u578b\u76f4\u63a5\u4f20\u9012\uff0cint\u3001long\u3001boolean\u3001double \u7b49\u3002<\/li>
    • \u4e0b\u9762\u51e0\u79cd\u5bf9\u8c61\u7c7b\u578b\u4e5f\u53ef\u4ee5\u76f4\u63a5\u4f20\u9012
      • String<\/li>
      • byte \u6570\u7ec4<\/li>
      • short \u6570\u7ec4<\/li>
      • int \u6570\u7ec4<\/li>
      • float \u6570\u7ec4<\/li>
      • double \u6570\u7ec4<\/li>
      • Enum \u679a\u4e3e\u7c7b\u578b<\/li><\/ul><\/li><\/ul>\n\n\n\n
        \u9664\u6b64\u4e4b\u5916\u8fd8\u6709\u8bb8\u591a\u79cd\u53ef\u80fd\u7684\u53c2\u6570\uff0c\u6bd4\u5982\u5b57\u7b26\u4e32\u6570\u7ec4\u3001\u4e8c\u7ef4\u6570\u7ec4\u3001Android Context\/Application\u3001HashMap \u7b49\u7b49\uff0c\u5728\u5927\u4f53\u4e0a\u9075\u5faa\u4e24\u7c7b\u5904\u7406\u529e\u6cd5\u3002<\/p>\n\n\n\n
        1. \u5982\u679c\u662f JDK \u4e2d\u5305\u542b\u7684\u7c7b\u5e93\u548c\u65b9\u6cd5\uff0c\u6bd4\u5982\u4e8c\u7ef4\u6570\u7ec4\u3001\u5b57\u7b26\u4e32\u6570\u7ec4\u3001HashMap \u7b49\u7b49\uff0c\u76f4\u63a5\u6784\u9020\u7136\u540e\u4f7f\u7528ProxyDvmObject.createObject(vm, obj);<\/code>\u6784\u9020\u51fa\u5bf9\u8c61\u3002\u9664\u6b64\u4e4b\u5916\u6bd4\u5982 Okhttp3 \u4e4b\u7c7b\u7684\u7b2c\u4e09\u65b9\u7c7b\u5e93\uff0c\u5bfc\u5165\u5230\u672c\u5730\u73af\u5883\u91cc\uff0c\u4e5f\u53ef\u4ee5\u4f7f\u7528\u8fd9\u4e2a\u529e\u6cd5\u3002<\/li>
        2. \u5982\u679c\u662f JDK \u4e2d\u65e0\u6cd5\u5305\u542b\u7684\u7c7b\u5e93\uff0c\u6bd4\u5982 Android FrameWork \u4ee5\u53ca\u6837\u672c\u81ea\u5b9a\u4e49\u7684\u7c7b\u5e93\uff0c\u901a\u8fc7resolveClass(className).newObject<\/code>\u5904\u7406\uff0c\u5c31\u50cf\u672c\u8282\u7684NativeApi<\/code>\u90a3\u6837\u5904\u7406\u3002<\/li><\/ol>\n","protected":false},"excerpt":{"rendered":"
          \u6b64\u6587\u7ae0\u662f\u5bf9\u672c\u4eba\u5728\u521a\u5f00\u59cb\u4f7f\u7528\u65f6\u9047\u5230\u7684\u4e00\u4e9b\u60f3\u4e0d\u901a\u5730\u65b9\u7684\u6574\u7406\uff0c\u60f3\u770b\u8be6\u7ec6\u7684\u6559\u7a0b\u53ef\u4ee5\u70b9\u51fb\u94fe\u63a5\u3002\u611f\u8c22\u5927\u4f6c\u7684\u6587\u7ae0\uff0c\u5199\u7684\u771f\u7684\u662f […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[5],"tags":[],"class_list":["post-1572","post","type-post","status-publish","format-standard","hentry","category-unidbg"],"_links":{"self":[{"href":"https:\/\/www.xiaosuigu.top\/index.php\/wp-json\/wp\/v2\/posts\/1572","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.xiaosuigu.top\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.xiaosuigu.top\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.xiaosuigu.top\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.xiaosuigu.top\/index.php\/wp-json\/wp\/v2\/comments?post=1572"}],"version-history":[{"count":0,"href":"https:\/\/www.xiaosuigu.top\/index.php\/wp-json\/wp\/v2\/posts\/1572\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.xiaosuigu.top\/index.php\/wp-json\/wp\/v2\/media?parent=1572"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.xiaosuigu.top\/index.php\/wp-json\/wp\/v2\/categories?post=1572"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.xiaosuigu.top\/index.php\/wp-json\/wp\/v2\/tags?post=1572"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}