{"id":33201,"date":"2023-12-06T09:59:32","date_gmt":"2023-12-06T01:59:32","guid":{"rendered":"https:\/\/www.deepin.org\/?p=33201"},"modified":"2023-12-06T11:02:25","modified_gmt":"2023-12-06T03:02:25","slug":"kernel-security-subsystem-2","status":"publish","type":"post","link":"https:\/\/www.deepin.org.cn\/zh\/kernel-security-subsystem-2\/","title":{"rendered":"Linux\u5185\u6838\u5b89\u5168\u5b50\u7cfb\u7edf\u7b80\u4ecb\uff08\u4e0b\uff09"},"content":{"rendered":"<img loading=\"lazy\" src=\"https:\/\/storage.deepin.org\/thread\/202312060952333571_\u4e0b-zh.jpeg\" alt=\"\" width=\"900\" height=\"383\" \/><\/p>\n<p><strong>\u4f5c\u8005\uff1azhanglei<\/strong><\/p>\n<p><a href=\"https:\/\/www.deepin.org\/zh\/kernel-security-subsystem-1\/\">\u300aLinux\u5185\u6838\u5b89\u5168\u5b50\u7cfb\u7edf\u7b80\u4ecb\uff08\u4e0a\uff09\u300b<\/a><\/p>\n<h1 style=\"text-align: center;\"><strong><span id=\"i\">\u8d44\u6e90\u9694\u79bb<\/span><\/strong><\/h1>\n<p>\u8d44\u6e90\u9694\u79bb\u662f\u4e00\u4e2a\u5386\u53f2\u60a0\u4e45\u53c8\u5f02\u5e38\u6709\u6548\u7684\u5b89\u5168\u624b\u6bb5\u3002<\/p>\n<p>\u4ece\u64cd\u4f5c\u7cfb\u7edf\u7684\u89d2\u5ea6\u6765\u770b\uff0c\u5b83\u5bf9\u5404\u4e2a\u8fdb\u7a0b\u7684\u7ba1\u7406\u5b9e\u9645\u4e0a\u5c31\u662f\u4e00\u4e2a\u9694\u79bb\u3002\u6bcf\u4e2a\u8fdb\u7a0b\u90fd\u62e5\u6709\u4ece0\u5f00\u59cb\u7684\u8fde\u7eed\u4e00\u5927\u7247\u5730\u5740\u7a7a\u95f4\u53ef\u4ee5\u4f7f\u7528\uff0c\u4f46\u5b9e\u9645\u4e0a\u5728\u7269\u7406\u5730\u5740\u4e0a\uff0c\u5404\u4e2a\u8fdb\u7a0b\u5374\u88ab\u5206\u5272\u5f00\u6765\u3002<\/p>\n<p>\u5728Linux\u7cfb\u7edf\u4e0b\uff0c\u65e9\u671f\u6bd4\u8f83\u51fa\u540d\u7684\u8d44\u6e90\u9694\u79bb\u624b\u6bb5\u662fchroot\u3002Linux\u7528\u6237\u53ef\u4ee5\u521b\u5efa\u4e00\u4e2a\u865a\u62df\u7684\u6839\u6587\u4ef6\u7cfb\u7edf\uff0c\u5728\u5176\u4e2d\u90e8\u7f72\u8f6f\u4ef6\uff0c\u518d\u901a\u8fc7chroot\u547d\u4ee4\u8fd0\u884c\u90e8\u7f72\u5728\u5176\u4e2d\u7684\u8f6f\u4ef6\uff0c\u8fd9\u4e9b\u8f6f\u4ef6\u8fd0\u884c\u7684\u7ed3\u679c\u53ea\u4f1a\u5f71\u54cd\u5230\u865a\u62df\u6587\u4ef6\u7cfb\u7edf\uff0c\u8fd9\u6837\u5c31\u53ef\u4ee5\u907f\u514d\u5bf9\u771f\u5b9e\u7684\u6839\u6587\u4ef6\u7cfb\u7edf\u9020\u6210\u5f71\u54cd\u3002<\/p>\n<p>\u5728\u5f53\u4e0b\uff0cLinux\u64cd\u4f5c\u7cfb\u7edf\u4e2d\u5df2\u7ecf\u63d0\u4f9b\u4e86namespace\uff08\u547d\u540d\u7a7a\u95f4\uff09\uff0c\u5b83\u5305\u62eccgroup\u3001IPC\u3001network\u3001mount\u3001pid\u3001user\u4e0eUTS\u7b49\u591a\u4e2a\u5b50\u7cfb\u7edf\u7684\u9694\u79bb\u652f\u6301\u3002\u4f8b\u5982\uff0c\u901a\u8fc7mount namespace\u5373\u53ef\u521b\u5efa\u865a\u62df\u7684\u6587\u4ef6\u7cfb\u7edf\uff0c\u800c\u901a\u8fc7pid namespace\u5219\u53ef\u4ee5\u521b\u5efa\u865a\u62df\u7684\u8fdb\u7a0b\u53f7\u7cfb\u7edf\u3002\u4f7f\u7528namespace\u53ef\u4ee5\u9694\u79bb\u8fdb\u7a0b\u7684\u8fd0\u884c\u73af\u5883\uff0c\u4f7f\u5f97\u8fdb\u7a0b\u4e92\u4e0d\u5f71\u54cd\uff0c\u4e5f\u4e0d\u4f1a\u5f71\u54cd\u5230\u7cfb\u7edf\uff0c\u8fd9\u6837\u5373\u4f7f\u4e00\u4e2a\u8fdb\u7a0b\u51fa\u73b0\u4e86\u5b89\u5168\u95ee\u9898\uff0c\u4e5f\u4e0d\u4f1a\u5f71\u54cd\u5230\u7cfb\u7edf\u4e0e\u5176\u5b83\u8fdb\u7a0b\u3002<\/p>\n<p>\u5728Linux\u64cd\u4f5c\u7cfb\u7edf\u4e2d\uff0c\u7a0b\u5e8f\u53ef\u4ee5\u8c03\u7528<code>clone<\/code>\u3001<code>unshare<\/code>\u4e0e<code>setns<\/code>\u7b49\u7cfb\u7edf\u8c03\u7528\u8c03\u6574\u5f53\u524d\u8fdb\u7a0b\u7684namespace\uff0c\u7cfb\u7edf\u7ba1\u7406\u5458\u4e5f\u53ef\u4ee5\u901a\u8fc7<code>firejail<\/code>\u6216\u8005<code>unshare<\/code>\u547d\u4ee4\u8bbe\u7f6e\u4e00\u4e2a\u8fdb\u7a0b\u7684namespace\u3002\u4f8b\u5982\uff0c\u4f7f\u7528<code>firejail<\/code>\u8fd0\u884c<code>firefox<\/code>\u53ef\u4ee5\u8fd9\u6837\uff1a<\/p>\n<p><code>firejail firefox<\/code><\/p>\n<p>\u5bf9\u4e8e\u8fd0\u884c<code>firefox<\/code>\u7a76\u7adf\u5e94\u8be5\u5982\u4f55\u8fdb\u884c\u9650\u5236\uff0c\u5219\u53ef\u4ee5\u901a\u8fc7<code>\/etc\/firejail\/firefox.profile<\/code>\u6765\u9650\u5236\uff0c\u5982\u4e0b\uff1a<\/p>\n<p><img loading=\"lazy\" class=\"aligncenter\" src=\"https:\/\/storage.deepin.org\/thread\/20231206095522242_2.png\" alt=\"\" width=\"1015\" height=\"507\" \/><\/p>\n<p>\u53ef\u4ee5\u770b\u5230\uff0c\u5927\u90e8\u5206\u9650\u5236\u90fd\u662f\u9488\u5bf9\u8def\u5f84\u8fdb\u884c\u9650\u5236\u7684\uff0c\u5373<code>firejail<\/code>\u4e3a<code>firefox<\/code>\u7684\u8fd0\u884c\u73af\u5883\u521b\u5efa\u4e86\u4e00\u4e2a<code>mount namespace<\/code>\uff0c\u8fd9\u6837\u5c31\u53ef\u4ee5\u5c06<code>firefox<\/code>\u4e0e\u5b9e\u9645\u7684\u6587\u4ef6\u7cfb\u7edf\u8fdb\u884c\u9694\u79bb\u4e86\u3002<\/p>\n<p>\u5f53\u7136\uff0c\u4e5f\u53ef\u4ee5\u901a\u8fc7<code>firejail<\/code>\u7684\u547d\u4ee4\u884c\u53c2\u6570\u8bbe\u7f6e\u547d\u540d\u7a7a\u95f4\u9694\u79bb\uff0c\u4f8b\u5982\u8bbe\u5b9aDNS\u7b49\u3002<\/p>\n<h1 style=\"text-align: center;\"><strong><span id=\"i-2\">\u914d\u989d\u9650\u5236<\/span><\/strong><\/h1>\n<p>\u914d\u989d\u9650\u5236\u53ef\u4ee5\u8bbe\u5b9a\u4e00\u4e2a\u8fdb\u7a0b\u80fd\u4f7f\u7528\u7684\u8ba1\u7b97\u8d44\u6e90\uff0c\u8fd9\u4e9b\u8ba1\u7b97\u8d44\u6e90\u5305\u62ec\u5904\u7406\u5668\u3001\u5185\u5b58\u3001\u8bbe\u5907\u3001\u7f51\u7edc\u7b49\u7269\u7406\u8d44\u6e90\uff0c\u4e5f\u53ef\u80fd\u5305\u62ec\u8fdb\u7a0b\u8f6c\u50a8\uff08coredump\uff09\u3001\u6808\u5927\u5c0f\u7b49\u66f4\u62bd\u8c61\u7684\u8d44\u6e90\u3002<\/p>\n<p>\u914d\u989d\u9650\u5236\u5206\u4e3a\u591a\u4e2a\u573a\u666f\uff1a<\/p>\n<ul>\n<li>\u5982\u679c\u5e0c\u671b\u9650\u5236\u5f53\u524dshell\u4e0b\u7684\u8fdb\u7a0b\u8d44\u6e90\uff0c\u53ef\u4ee5\u4f7f\u7528<code>ulimit<\/code>\u547d\u4ee4<\/li>\n<li>\u5982\u679c\u5e0c\u671b\u9650\u5236\u67d0\u4e2a\u767b\u5f55\u4f1a\u8bdd\u7684\u8fdb\u7a0b\u8d44\u6e90\uff0c\u53ef\u4ee5\u4f7f\u7528<code>pam_limits.so<\/code>\uff0c\u5b83\u4f7f\u7528\u7684\u914d\u7f6e\u6587\u4ef6\u4e00\u822c\u662f<code>\/etc\/security\/limits.conf<\/code>\uff0c\u5b83\u53ef\u4ee5\u9650\u5236\u7684\u8d44\u6e90\u4e0e<code>ulimit<\/code>\u7c7b\u4f3c<\/li>\n<li>\u5982\u679c\u5e0c\u671b\u9650\u5236\u67d0\u4e2a\u5b88\u62a4\u8fdb\u7a0b\uff08\u5373systemd\u670d\u52a1\uff09\u7684\u8d44\u6e90\uff0c\u53ef\u4ee5\u4f7f\u7528<code>systemd.resource-control<\/code>\uff0c\u5b83\u662f\u57fa\u4e8ecgroups\u5bf9\u5b88\u62a4\u8fdb\u7a0b\u8fdb\u884c\u8d44\u6e90\u9650\u5236\u7684<\/li>\n<li>\u5bf9\u4e8e\u4efb\u610f\u8fdb\u7a0b\uff0c\u53ef\u4ee5\u4f7f\u7528cgroups\u5bf9\u5176\u8fdb\u884c\u8d44\u6e90\u9650\u5236\uff0c\u4e00\u822c\u7684\u6b65\u9aa4\u662f\uff1a\n<ul>\n<li>\u5728<code>\/sys\/fs\/cgroup<\/code>\u5177\u4f53\u8d44\u6e90\u76ee\u5f55\u4e0b\u521b\u5efa\u76ee\u5f55\uff0c\u4f8b\u5982\u5047\u8bbe\u60f3\u9650\u5236\u67d0\u4e2a\u8fdb\u7a0b\u7684\u8d44\u6e90\uff0c\u5219\u53ef\u4ee5<code>sudo mkdir \/sys\/fs\/cgroup\/memory\/mygroup<\/code><\/li>\n<li>\u4e3a\u4e86\u64cd\u4f5c\u65b9\u4fbf\uff0c\u8bbe\u7f6e\u76ee\u5f55\u7684\u5c5e\u4e3b\uff1a<code>sudo -R chown raphael:raphael \/sys\/fs\/cgroup\/memory\/mygroup<\/code><\/li>\n<li>\u8bbe\u7f6e\u8fdb\u7a0b\u7684\u6700\u5927\u5185\u5b58\u4e3a64M\uff1a<code>echo 64m &amp;gt; \/sys\/fs\/cgroup\/memory\/mygroup\/memory.limit_in_bytes<\/code><\/li>\n<li>\u5c06\u67d0\u4e2a\u8fdb\u7a0b\uff08<code>$mypid<\/code>\uff09\u52a0\u5165\u6b64cgroup\u7ec4\u4e2d\uff1a<code>echo $mypid &amp;gt; \/sys\/fs\/cgroup\/memory\/mygroup\/tasks<\/code><\/li>\n<li>\u5982\u679c\u5e0c\u671b\u4e00\u542f\u52a8\u8fdb\u7a0b\u5c31\u5c06\u5176\u52a0\u5165\u67d0\u4e2a\u7ec4\uff0c\u5219\u53ef\u4ee5\u4f7f\u7528<code>cgexec<\/code>\u547d\u4ee4<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>\u5bf9\u4e8e\u5f53\u524d\u7684\u4e91\u8ba1\u7b97\u6765\u8bf4\uff0c\u8d44\u6e90\u9694\u79bb\u4e0e\u914d\u989d\u9650\u5236\u662f\u6700\u4e3a\u91cd\u8981\u7684\u4e24\u4e2a\u529f\u80fd\uff0c\u524d\u8005\u53ef\u4ee5\u4f7f\u5f97\u79df\u6237\u53ef\u4ee5\u4e92\u4e0d\u5f71\u54cd\uff0c\u540e\u8005\u5219\u53ef\u4ee5\u4e3a\u6bcf\u4e2a\u79df\u6237\u914d\u7f6e\u4e0d\u540c\u7684\u8d44\u6e90\uff0c\u53e6\u5916\uff0c\u4e5f\u53ef\u4ee5\u4fdd\u8bc1\u67d0\u4e2a\u8fdb\u7a0b\u4e0d\u81f3\u4e8e\u5360\u7528\u4efb\u610f\u591a\u7684\u8d44\u6e90\uff0c\u4ece\u800c\u53ef\u4ee5\u9632\u6b62\u62d2\u7edd\u670d\u52a1\u7684\u653b\u51fb\u3002<\/p>\n<h1 style=\"text-align: center;\"><strong><span id=\"i-3\">\u7cfb\u7edf\u6c99\u7bb1<\/span><\/strong><\/h1>\n<p>\u6c99\u7bb1\u8fd9\u4e2a\u8bcd\u975e\u5e38\u6a21\u7cca\uff0c\u770b\u8d77\u6765\u5b83\u66f4\u50cf\u4e0a\u9762\u8bf4\u5230\u7684\u8d44\u6e90\u9694\u79bb\uff0c\u5c31\u662f\u628a\u5404\u4e2a\u8fdb\u7a0b\u9694\u79bb\u5728\u4e00\u4e2a\u5355\u72ec\u7684\u7bb1\u5b50\u91cc\u8fd0\u884c\u3002\u4f46\u5b9e\u9645\u4e0a\u5728Linux\u4e2d\uff0c\u7cfb\u7edf\u6c99\u7bb1\u6307\u7684\u662f\u5bf9\u7cfb\u7edf\u8c03\u7528\u8fdb\u884c\u8fc7\u6ee4\u7684\u65b9\u6cd5\uff0c\u5bf9\u5e94\u7684\u529f\u80fd\u662fseccomp\u3002<\/p>\n<p>seccomp\u662fLinux\u63d0\u4f9b\u7684\u4e00\u4e2a\u7cfb\u7edf\u8c03\u7528\uff0c\u901a\u8fc7seccomp\uff0c\u7a0b\u5e8f\u53ef\u4ee5\u9650\u5236\u5f53\u524d\u8fdb\u7a0b\u5728\u8c03\u7528\u7cfb\u7edf\u8c03\u7528\u65f6\uff0c\u53ef\u4ee5\u6839\u636e\u7cfb\u7edf\u8c03\u7528\u53f7\u3001\u7cfb\u7edf\u8c03\u7528\u53c2\u6570\u6765\u51b3\u5b9a\u7cfb\u7edf\u8c03\u7528\u7684\u8fd4\u56de\u503c\u3002\u9664\u6b64\u4e4b\u5916\uff0c\u4e5f\u53ef\u4ee5\u4f7f\u7528<code>prctl(PR_SET_SECCOMP...)<\/code>\u6765\u63d0\u4f9b\u7c7b\u4f3c\u7684\u529f\u80fd<\/p>\n<p>\u4f8b\u5982\u7a0b\u5e8f\u53ef\u4ee5\u8bbe\u7f6e\u5f53\u524d\u8fdb\u7a0b\u4e0d\u80fd\u8c03\u7528<code>socket<\/code>\uff08\u5373\u8fd4\u56de\u9519\u8bef\uff09\uff0c\u6216\u8005\u8c03\u7528<code>socket<\/code>\u521b\u5efaIPv6\u5957\u63a5\u5b57\u7684\u65f6\u5019\u6740\u6b7b\u5f53\u524d\u7ebf\u7a0b\uff0c\u6216\u8005\u8c03\u7528<code>socket<\/code>\u521b\u5efaIPv4\u5957\u63a5\u5b57\u6216\u8005Unix\u57df\u5957\u63a5\u5b57\u7684\u65f6\u5019\u4ea7\u751f\u4e00\u4e2aSIGSYS\u4fe1\u53f7\u3002<\/p>\n<p>\u8fd9\u4e9b\u590d\u6742\u7684\u903b\u8f91\u5b9e\u9645\u4e0a\u662f\u901a\u8fc7\u5185\u6838\u63d0\u4f9b\u7684cBPF\u865a\u62df\u673a\u5b9e\u73b0\u7684\u3002\u8981\u8bbe\u7f6e\u8fd9\u4e9b\u903b\u8f91\uff0c\u5f00\u53d1\u4eba\u5458\u9700\u8981\u5b66\u4e60cBPF\u5b57\u8282\u7801\uff0c\u5e76\u4f7f\u7528\u5b57\u8282\u7801\u7f16\u7a0b\uff0c\u5c06\u5b57\u8282\u7801\u6570\u7ec4\u901a\u8fc7bpf\u7cfb\u7edf\u8c03\u7528\u4f20\u9012\u5230\u5185\u6838\u4e2d\u53bb\u3002<\/p>\n<p>\u4e0b\u9762\u662f\u5185\u6838\u81ea\u5e26\u7684\u4f7f\u7528<code>prctl<\/code>\u8fdb\u884c\u7cfb\u7edf\u8c03\u7528\u63a7\u5236\u7684\u4e00\u4e2a\u4f8b\u5b50\u3002\u5728\u8fd9\u4e2a\u4f8b\u5b50\u91cc\uff0c\u5982\u679c\u5f53\u524d\u8fdb\u7a0b\u5728x_arch\u67b6\u6784\u4e0b\u8c03\u7528\u7cfb\u7edf\u8c03\u7528\u53f7\u4e3ax_nr\u7684\u7cfb\u7edf\u8c03\u7528\u65f6\uff0c\u5185\u6838\u4f1a\u76f4\u63a5\u8fd4\u56dex_err\u7684\u9519\u8bef\uff1a<\/p>\n<p><img loading=\"lazy\" class=\"aligncenter\" src=\"https:\/\/storage.deepin.org\/thread\/20231206095815817_3.png\" alt=\"\" width=\"1015\" height=\"375\" \/><\/p>\n<p>\u53ef\u4ee5\u770b\u5230\u5bf9\u5e94\u7684BPF\u5b57\u8282\u7801\u4e00\u5171\u6709\u516d\u6761\uff08\u6ce8\u610f\u6240\u6709\u7684\u8df3\u8f6c\u90fd\u662f\u76f8\u5bf9\u8df3\u8f6c\uff09\uff0c\u5b83\u4eec\u7684\u4f5c\u7528\u4f9d\u6b21\u662f\uff1a<\/p>\n<ol>\n<li>\u8bfb\u53d6\u5f53\u524d\u7cfb\u7edf\u7684\u67b6\u6784\u81f3\u5bc4\u5b58\u5668<\/li>\n<li>\u5bc4\u5b58\u5668\u7684\u503c\u4e0ex_arch\uff0c\u82e5\u4e0d\u7b49\u5219\u8df3\u5230\u6700\u540e\u4e00\u6761\u6307\u4ee4\uff083\uff09\uff0c\u4e0d\u7136\u7ee7\u7eed\u6267\u884c\u4e0b\u4e00\u6761\u6307\u4ee4\uff080\uff09<\/li>\n<li>\u8bfb\u53d6\u5f53\u524d\u7684\u7cfb\u7edf\u8c03\u7528\u53f7\u81f3\u5bc4\u5b58\u5668<\/li>\n<li>\u6bd4\u8f83\u5bc4\u5b58\u5668\u7684\u503c\u4e0ex_nr\uff0c\u82e5\u4e0d\u7b49\u5219\u8df3\u5230\u6700\u540e\u4e00\u6761\u6307\u4ee4\uff081\uff09\uff0c\u4e0d\u7136\u7ee7\u7eed\u6267\u884c\u4e0b\u4e00\u6761\u6307\u4ee4\uff080\uff09<\/li>\n<li>\u8fd4\u56de\uff08<code>BPF_RET<\/code>\uff09\u9519\u8bef\u53f7x_err<\/li>\n<li>\u8fd4\u56de\uff08<code>BPF_RET<\/code>\uff09\u5141\u8bb8\u7ee7\u7eed\u8fdb\u884c\u7cfb\u7edf\u8c03\u7528\uff08<code>SECCOMP_RET_ALLOW<\/code>\uff09<\/li>\n<\/ol>\n<p>cBPF\u6e90\u81ea\u4e8eBSD\u7cfb\u7edf\uff0c\u5b83\u662f\u57fa\u4e8e\u5bc4\u5b58\u5668\u7684\u8bed\u8a00\uff0c\u6709\u7d2f\u52a0\u5bc4\u5b58\u5668\u4e0e\u7d22\u5f15\u5bc4\u5b58\u5668\u4e24\u4e2a32\u4f4d\u7684\u5bc4\u5b58\u5668\uff0c\u4e00\u5171\u7ea6\u4e09\u5341\u676132\u4f4d\u7684\u6307\u4ee4\uff0c\u6bcf\u6761\u6307\u4ee4\u5305\u542b16\u4f4d\u7684\u64cd\u4f5c\u7801\uff08opcode\uff09\u30018\u4f4d\u7684\u4e3a\u771f\u65f6\u8df3\u8f6c\u5730\u5740\uff0c\u4ee5\u53ca8\u4f4d\u7684\u4e3a\u5047\u65f6\u8df3\u8f6c\u5730\u5740\uff0c\u8fd8\u53ef\u4ee5\u901a\u8fc7JIT\u8fdb\u884c\u52a0\u901f\u3002\u4e0d\u8fc7\u4e3a\u4e86\u4fdd\u8bc1\u5b89\u5168\u6027\uff0ccBPF\u4e0d\u652f\u6301\u5faa\u73af\u3002\u5728\u5185\u90e8\uff0ccBPF\u4f1a\u88ab\u4fee\u6539\u4e3aeBPF\u8fdb\u884c\u5904\u7406\u3002<\/p>\n<p>\u4f7f\u7528seccomp\u6700\u591a\u7684\u5c31\u662f\u6d4f\u89c8\u5668\u3001\u5bb9\u5668\u7b49\u8f6f\u4ef6\u3002seccomp\u6bd4\u8f83\u5927\u7684\u95ee\u9898\u5305\u62ec\uff1a<\/p>\n<ul>\n<li>\u9700\u8981\u5b66\u4e60\u548c\u4f7f\u7528\u5185\u6838\u7684cBPF\u8bed\u8a00\uff0c\u5728\u7528\u6237\u6001\u6ca1\u6709\u7279\u522b\u597d\u7684\u5de5\u5177\u94fe\u53ef\u7528\uff0c\u5185\u6838\u63d0\u4f9b\u4e86\u4e00\u4e2alibbpf\uff0c\u4f46\u662f\u7528\u8d77\u6765\u8fd8\u662f\u592a\u9ebb\u70e6\uff0c\u800c\u57fa\u4e8ellvm\u7684bcc\u7b49\u5de5\u5177\u5219\u9700\u8981\u643a\u5e26\u6574\u5957\u7f16\u8bd1\u5668\uff0c\u5bf9\u4e8e\u751f\u4ea7\u73af\u5883\u6765\u8bf4\u975e\u5e38\u4e0d\u4fbf<\/li>\n<li>\u53ea\u80fd\u7531\u5f53\u524d\u8fdb\u7a0b\u8c03\u7528seccomp\u9650\u5236\u81ea\u8eab\u7684\u7cfb\u7edf\u8c03\u7528\uff0c\u7cfb\u7edf\u7ba1\u7406\u5458\u65e0\u6cd5\u9650\u5236\u8fdb\u7a0b<\/li>\n<li>\u4e0e\u7528\u6237\u6001\u4ea4\u4e92\u4e0d\u65b9\u4fbf\uff0c\u6709\u65f6\u5019\u53ef\u80fd\u9700\u8981\u8bfb\u53d6\u7528\u6237\u6001\u7ba1\u7406\u7a0b\u5e8f\u8bbe\u7f6e\u7684\u6570\u636e\u5224\u5b9a\u662f\u5426\u53ef\u4ee5\u8fdb\u884c\u7cfb\u7edf\u8c03\u7528<\/li>\n<\/ul>\n<h1 style=\"text-align: center;\"><strong><span id=\"i-4\">\u53ef\u4fe1\u8ba1\u7b97<\/span><\/strong><\/h1>\n<p>\u53ef\u4fe1\u8ba1\u7b97\u662f\u4e00\u5957\u56f4\u7ed5\u53ef\u4fe1\u82af\u7247\u4e3a\u6838\u5fc3\u7684\u53ef\u4fe1\u94fe\u7ba1\u7406\u4f53\u7cfb\u3002\u5176\u539f\u7406\u662f\u7cfb\u7edf\u51fa\u5382\u65f6\u5bf9\u7cfb\u7edf\u7684\u5173\u952e\u90e8\u4ef6\u8fdb\u884c\u626b\u63cf\uff0c\u63d0\u53d6\u5176\u552f\u4e00\u6027\u7684\u6807\u8bc6\uff08\u5f53\u90e8\u4ef6\u7684\u5185\u5bb9\u6539\u53d8\u65f6\u6b64\u552f\u4e00\u6027\u6807\u8bc6\u5fc5\u987b\u4e5f\u76f8\u5e94\u53d8\u5316\uff09\uff0c\u5e76\u5c06\u5176\u5728\u53ef\u4fe1\u82af\u7247\u4e2d\u5b58\u50a8\u4e0b\u6765\u3002\u5f53\u7cfb\u7edf\u52a0\u7535\u65f6\uff0c\u4f1a\u7ecf\u5386\u4e0b\u9762\u51e0\u4e2a\u6b65\u9aa4\uff1a<\/p>\n<ul>\n<li>\u53ef\u4fe1\u82af\u7247\u9996\u5148\u5bf9\u5305\u62ec\u5904\u7406\u5668\u3001\u5185\u5b58\u3001\u603b\u7ebf\u5728\u5185\u7684\u786c\u4ef6\u90e8\u4ef6\u8fdb\u884c\u626b\u63cf\uff0c\u786e\u8ba4\u5176\u6807\u8bc6\u6ca1\u6709\u53d8\u5316\u4e4b\u540e\uff0c\u518d\u5c06\u7cfb\u7edf\u79fb\u4ea4\u7ed9\u5904\u7406\u5668<\/li>\n<li>\u5904\u7406\u5668\u9a8c\u8bc1bootloader\u7684\u5b8c\u6574\u6027\uff08\u901a\u8fc7\u8ba1\u7b97bootloader\u7684\u6563\u5217\u503c\uff0c\u5e76\u5c06\u8ba1\u7b97\u51fa\u6765\u7684\u6563\u5217\u503c\u4e0e\u5b58\u50a8\u5728\u53ef\u4fe1\u82af\u7247\u5185\u7684\u6563\u5217\u503c\u5bf9\u6bd4\uff09\uff0c\u786e\u8ba4\u5176\u5b8c\u6574\u6027\u6ca1\u6709\u53d8\u5316\u4e4b\u540e\u5c06\u7cfb\u7edf\u79fb\u4ea4\u7ed9bootloader<\/li>\n<li>bootloader\u9a8c\u8bc1\u5185\u6838\u7684\u5b8c\u6574\u6027\uff08\u540c\u6837\u662f\u6563\u5217\u503c\u6bd4\u8f83\uff09\uff0c\u786e\u8ba4\u5176\u5b8c\u6574\u6027\u6ca1\u6709\u53d8\u5316\u4e4b\u540e\u5c06\u5176\u79fb\u4ea4\u7ed9\u5185\u6838<\/li>\n<li>\u5185\u6838\u9a8c\u8bc1\u5916\u90e8\u5185\u6838\u6a21\u5757\u4e0einit\u76f8\u5173\u7a0b\u5e8f\u7684\u5b8c\u6574\u6027\uff0c\u82e5\u5b8c\u6574\u6027\u6ca1\u6709\u53d8\u5316\u4e4b\u540e\u52a0\u8f7d\u5185\u6838\u6a21\u5757\uff0c\u5e76\u542f\u52a8init\u7a0b\u5e8f\uff0c\u4e4b\u540e\u7684\u5b8c\u6574\u6027\u6821\u9a8c\u5219\u4e3b\u8981\u88ab\u8f6c\u4ea4\u7ed9\u4e86\u7528\u6237\u7a0b\u5e8f\u4e3b\u5bfc<\/li>\n<\/ul>\n<p>\u9664\u4e86\u4e0a\u8ff0\u6d41\u7a0b\u5916\uff0c\u53ef\u4fe1\u8ba1\u7b97\u8fd8\u6709\u51e0\u4e2a\u5b89\u5168\u7ea6\u675f\u3002\u9996\u5148\u662f\u4e0a\u8ff0\u5b58\u50a8\u5728\u53ef\u4fe1\u82af\u7247\u91cc\u7684\u552f\u4e00\u6027\u6807\u8bc6\u662f\u4e0d\u53ef\u66f4\u6539\u7684\uff0c\u56e0\u6b64\u5bf9\u53ef\u4fe1\u7cfb\u7edf\u7684\u66f4\u65b0\u662f\u4e00\u4e2a\u68d8\u624b\u7684\u95ee\u9898\u3002\u5176\u6b21\u662f\u8fd9\u4e9b\u552f\u4e00\u6027\u6807\u8bc6\u4e5f\u662f\u4e0d\u53ef\u8bfb\u7684\uff0c\u56e0\u6b64\u5982\u679c\u9700\u8981\u9a8c\u8bc1\u552f\u4e00\u6027\uff0c\u9700\u8981\u5c06\u5f85\u6821\u9a8c\u6570\u636e\u8f93\u5165\u53ef\u4fe1\u82af\u7247\uff0c\u7531\u53ef\u4fe1\u82af\u7247\u5728\u5185\u90e8\u8fdb\u884c\u6563\u5217\u8ba1\u7b97\u548c\u6bd4\u5bf9\u3002\u56e0\u6b64\u5728\u5bf9\u5927\u6570\u636e\u91cf\u8fdb\u884c\u5b8c\u6574\u6027\u6821\u9a8c\u65f6\uff0c\u5982\u679c\u5e26\u5bbd\u4e0d\u8db3\uff0c\u5219\u53ef\u80fd\u4e25\u91cd\u5f71\u54cd\u7cfb\u7edf\u7684\u6027\u80fd\u3002\u53e6\u5916\uff0c\u5728\u5b9e\u65bd\u4e0a\uff0c\u5b9e\u73b0\u5b8c\u5168\u7684\u53ef\u4fe1\u9700\u8981\u4ece\u56fa\u4ef6\u5f00\u59cb\u505a\u8d77\uff0c\u56e0\u6b64\u5bf9\u6574\u4e2a\u7cfb\u7edf\u7684\u6539\u9020\u91cf\u662f\u6bd4\u8f83\u5927\u7684\u3002<\/p>\n<p>\u9664\u4e86\u63d0\u4f9b\u5b8c\u6574\u6027\u6821\u9a8c\u4e4b\u5916\uff0c\u53ef\u4fe1\u82af\u7247\u8fd8\u63d0\u4f9b\u4e86\u591a\u4e2a\u52a0\u5bc6\u7b97\u6cd5\u7684\u5b9e\u73b0\u3002<\/p>\n<p>\u53ef\u4fe1\u8ba1\u7b97\u5728\u56fd\u5916\u7684\u6807\u51c6\u662fTPM\uff08trusted platform module\uff09\uff0cLinux\u5185\u6838\u65e9\u5df2\u652f\u6301\u4e86\u5b83\uff0c\u5bf9\u5e94\u5185\u6838\u91cc\u7684\u6e90\u7801\u5728<code>drivers\/char\/tpm<\/code>\u76ee\u5f55\u4e0b\u3002\u56fd\u5185\u5bf9\u5e94\u7684\u6807\u51c6\u662fTCM\u4e0eTPCM\uff0c\u5bf9\u5e94\u7684\u52a0\u5bc6\u7b97\u6cd5\u5305\u62ecSM2\uff08 \u692d\u5706\u66f2\u7ebf\u516c\u94a5\u5bc6\u7801\u7b97\u6cd5 \uff09\u3001SM3\uff08\u6563\u5217\u51fd\u6570\uff09\u3001SM4\uff08\u5206\u7ec4\u5bc6\u7801\u7b97\u6cd5\uff09\u4e0eSM9\uff08\u6807\u8bc6\u5bc6\u7801\u7b97\u6cd5\uff09\u7b49\u3002<\/p>\n<p>\u5728\u5185\u6838\u91cc\uff0c\u9664\u4e86\u5bf9TPM\u7684\u652f\u6301\u5916\uff0c\u8fd8\u6709\u5bf9TPM\u7684\u5e94\u7528\u3002\u5bf9\u5e94\u6a21\u5757\u662fIMA\u4e0eEVM\uff0c\u5b83\u4eec\u662f\u7ed3\u5408\u6587\u4ef6\u6269\u5c55\u5c5e\u6027\u5bf9\u6587\u4ef6\u5b8c\u6574\u6027\u8fdb\u884c\u6821\u9a8c\u7684\uff0c\u4e0d\u8fc7\u5176\u5b9e\u9645\u5e94\u7528\u5f88\u5c11\u89c1\u3002<\/p>\n<h1 style=\"text-align: center;\"><strong><span id=\"i-5\">\u5b89\u5168\u5ba1\u8ba1<\/span><\/strong><\/h1>\n<p>\u5728Linux\u64cd\u4f5c\u7cfb\u7edf\u5185\u6838\u4e2d\uff0c\u5ba1\u8ba1\u7cfb\u7edf\u8d77\u5230\u7684\u4f5c\u7528\u662f\u6309\u7167\u8bbe\u8ba1\u89c4\u5219\uff0c\u5bf9\u6574\u4e2a\u7cfb\u7edf\u4e2d\u53d1\u751f\u7684\u611f\u5174\u8da3\u7684\u4e8b\u4ef6\u8fdb\u884c\u8bb0\u5f55\uff0c\u5e76\u5c06\u8bb0\u5f55\u4fdd\u5b58\u4e0b\u6765\u6210\u4e3a\u5ba1\u8ba1\u65e5\u5fd7\u3002\u4e00\u822c\u7684\u65e5\u5fd7\u4e0e\u5ba1\u8ba1\u6709\u76f8\u4f3c\u4e4b\u5904\uff0c\u4e5f\u6709\u4e0d\u540c\u4e4b\u5904\u3002\u76f8\u4f3c\u4e4b\u5904\u5728\u4e8e\u5b83\u4eec\u90fd\u53ef\u4ee5\u8bb0\u5f55\u4e0b\u7cfb\u7edf\u4e2d\u53d1\u751f\u7684\u4e8b\u4ef6\uff0c\u4e0d\u540c\u4e4b\u5904\u5728\u4e8e\u65e5\u5fd7\u4e00\u822c\u662f\u57fa\u4e8e\u81ea\u89c9\u7684\u884c\u4e3a\uff0c\u5e94\u7528\u7a0b\u5e8f\u548c\u7cfb\u7edf\u4e2d\u7684\u5b88\u62a4\u8fdb\u7a0b\u5728\u6267\u884c\u81ea\u5df1\u4efb\u52a1\u7684\u8fc7\u7a0b\u4e2d\u4f1a\u4e3b\u52a8\u81ea\u89c9\u7684\u751f\u6210\u65e5\u5fd7\uff0c\u5e76\u5c06\u5176\u53d1\u9001\u7ed9\u65e5\u5fd7\u5b88\u62a4\u8fdb\u7a0b\uff0c\u7531\u65e5\u5fd7\u5b88\u62a4\u8fdb\u7a0b\u5c06\u5176\u8bb0\u5f55\u5728\u65e5\u5fd7\u6587\u4ef6\u4e2d\u3002\u800c\u5ba1\u8ba1\u5219\u662f\u6574\u4e2a\u7cfb\u7edf\u5185\u90e8\u5f3a\u5236\u6027\u7684\u4e8b\u4ef6\u68c0\u67e5\u3002<\/p>\n<p>Linux\u64cd\u4f5c\u7cfb\u7edf\u5185\u6838\u7684\u5ba1\u8ba1\u7cfb\u7edf\u7531\u5185\u6838\u6001\u4e0e\u7528\u6237\u6001\u7ec4\u6210\u3002\u5185\u6838\u6001\u7684\u5ba1\u8ba1\u6a21\u5757\u5185\u5d4c\u4e8e\u5185\u6838\u4e4b\u4e2d\uff0c\u5c5e\u4e8e\u4e0d\u53ef\u5378\u8f7d\uff0c\u53ef\u4ee5\u914d\u7f6e\u7684\u5185\u6838\u529f\u80fd\u6a21\u5757\u3002\u5b83\u7684\u4e3b\u8981\u529f\u80fd\u662f\u6839\u636e\u7528\u6237\u6001\u4f20\u5165\u7684\u5ba1\u8ba1\u89c4\u5219\uff0c\u5bf9\u5185\u6838\u4e2d\u53d1\u751f\u7684\u76f8\u5e94\u4e8b\u4ef6\u8fdb\u884c\u68c0\u67e5\u4e0e\u5ba1\u8ba1\uff0c\u5e76\u5c06\u5ba1\u8ba1\u4fe1\u606f\u4f20\u7ed9\u7528\u6237\u6001\u5b88\u62a4\u8fdb\u7a0b\uff08<code>auditd<\/code>\uff09\uff0c\u7531\u7528\u6237\u6001\u5b88\u62a4\u8fdb\u7a0b\u5c06\u5176\u8bb0\u5f55\u4e0b\u6765\u3002\u5ba1\u8ba1\u7cfb\u7edf\u7684\u7528\u6237\u6001\u7a0b\u5e8f\u8f83\u591a\uff0c\u6709\u8d1f\u8d23\u8bb0\u5f55\u5ba1\u8ba1\u65e5\u5fd7\u7684<code>auditd<\/code>\uff0c\u6709\u8d1f\u8d23\u63d0\u4f9b\u641c\u7d22\u5ba1\u8ba1\u7ed3\u679c\u7684<code>ausearch<\/code>\uff0c\u6709\u914d\u7f6e\u5ba1\u8ba1\u89c4\u5219\u7684<code>auditctl<\/code>\uff0c\u6709\u751f\u6210\u5ba1\u8ba1\u62a5\u544a\u7684<code>aureport<\/code>\uff0c\u8fd8\u6709\u53ef\u4ee5\u8fdb\u884c\u8fdb\u4e00\u6b65\u5206\u53d1\u7684<code>audispd<\/code>\u7b49\u3002<\/p>\n<p>\u5ba1\u8ba1\u7cfb\u7edf\u7684\u5185\u6838\u6001\u4e0e\u7528\u6237\u6001\u4e4b\u95f4\u7684\u63a5\u53e3\u4f7f\u7528\u7684\u662fnetlink socket\uff0c\u8fd9\u79cd\u901a\u8baf\u65b9\u5f0f\u53ef\u4ee5\u4ee5\u5f02\u6b65\u7684\u65b9\u5f0f\u8fdb\u884c\u56de\u8c03\u901a\u4fe1\uff0c\u56e0\u6b64\u4f7f\u7528\u8f83\u4e3a\u7075\u6d3b\u3002<code>auditd<\/code>\u5b88\u62a4\u8fdb\u7a0b\u901a\u8fc7netlink\u5957\u63a5\u5b57\u6301\u7eed\u83b7\u53d6\u5185\u6838\u7684\u5ba1\u8ba1\u6d88\u606f\uff0c\u4ee5\u8fdb\u884c\u8bb0\u5f55\u548c\u5206\u53d1\u3002<\/p>\n<p>\u5185\u6838\u751f\u6210\u5ba1\u8ba1\u4fe1\u606f\u7684\u9014\u5f84\u4e3b\u8981\u5305\u62ec\u7cfb\u7edf\u8c03\u7528\u4e0e\u4e3b\u52a8\u8c03\u7528\u4e24\u79cd\u65b9\u5f0f\uff0c\u5176\u4e2d\u4e3b\u52a8\u8c03\u7528\u53c8\u53ef\u4ee5\u5206\u4e3a\u5185\u6838\u6a21\u5757\u53d1\u8d77\u7684\u4e3b\u52a8\u5ba1\u8ba1\u4fe1\u606f\u53d1\u751f\u4e0e\u7528\u6237\u6001\u8fdb\u7a0b\u53d1\u8d77\u7684\u4e3b\u52a8\u5ba1\u8ba1\u4fe1\u606f\u53d1\u751f\u3002\u5728\u7cfb\u7edf\u8c03\u7528\u7684\u5165\u53e3\u548c\u51fa\u53e3\uff0c\u5185\u6838\u4f1a\u8c03\u7528<code>kernel\/auditsc.c<\/code>\u4e2d\u7684<code>__audit_syscall_entry<\/code>\u4e0e<code>__audit_syscall_exit<\/code>\u51fd\u6570\uff0c\u5206\u522b\u7528\u6765\u5206\u914d\u4e0e\u521d\u59cb\u5316\u7cfb\u7edf\u8c03\u7528\u7684\u5ba1\u8ba1\u76f8\u5173\u4fe1\u606f\uff08\u67b6\u6784\u3001\u7cfb\u7edf\u8c03\u7528\u53f7\u3001\u7cfb\u7edf\u8c03\u7528\u53c2\u6570\u7b49\uff09\uff0c\u4ee5\u53ca\u7528\u6765\u9500\u6bc1\u7cfb\u7edf\u8c03\u7528\u7684\u5ba1\u8ba1\u76f8\u5173\u4fe1\u606f\u7684\u3002<\/p>\n<p>\u8fd9\u4e9b\u51fd\u6570\u6700\u7ec8\u4f1a\u8c03\u7528\u5185\u6838\u7684<code>audit_log_<\/code>\u5f00\u5934\u7684\u4e00\u7cfb\u5217\u51fd\u6570\uff0c\u5c06\u5ba1\u8ba1\u65e5\u5fd7\u901a\u8fc7netlink\u5957\u63a5\u5b57\u53d1\u9001\u5230<code>auditd<\/code>\u8fdb\u884c\u5904\u7406\u3002<\/p>\n<h1 style=\"text-align: center;\"><strong><span id=\"i-6\">\u5176\u5b83\u5b89\u5168\u5b50\u7cfb\u7edf<\/span><\/strong><\/h1>\n<p>Linux\u4e0b\u7684\u6570\u636e\u900f\u660e\u52a0\u5bc6\u4e3b\u8981\u53ef\u4ee5\u5206\u4e3a\u4e24\u7c7b\uff1a<\/p>\n<ul>\n<li>\u57fa\u4e8e\u5757\u8bbe\u5907\u6620\u5c04\u6280\u672f\u7684\u900f\u660e\u52a0\u5bc6\uff0c\u5373\u57fa\u4e8edev-mapper\u7684dm-crypt\u7b49<\/li>\n<li>\u57fa\u4e8e\u6587\u4ef6\u7cfb\u7edf\u7684\u900f\u660e\u52a0\u5bc6\uff0c\u5982eCryptFS\uff0c\u4ee5\u53ca\u5404\u79cd\u52a0\u89e3\u5bc6\u7684FUSE\u6587\u4ef6\u7cfb\u7edf<\/li>\n<\/ul>\n<p>\u5176\u4e2dLinux\u4e0b\u4f7f\u7528\u6700\u5e7f\u7684\u900f\u660e\u52a0\u5bc6\u89e3\u51b3\u65b9\u6848LUKS\u5c31\u662f\u4f9d\u8d56\u4e8edm-crypt\u7684\u3002<\/p>\n<p>Linux\u4e0b\u7684\u7f51\u7edc\u9632\u706b\u5899\u5386\u7ecf\u53d8\u9769\uff0c\u5176\u539f\u7406\u57fa\u672c\u90fd\u662f\u57fa\u4e8e\u6570\u636e\u5305\u8fc7\u6ee4\u7684\u601d\u60f3\u3002Linux\u5185\u6838\u4e2d\u5bf9\u5e94\u7684\u5185\u6838\u6a21\u5757\u4e3anetfilter\/nftables\uff0c\u7528\u6237\u6001\u5bf9\u5e94\u7684\u5de5\u5177\u4e3b\u8981\u662fiptables\/nft\uff0c\u4e0d\u8fc7\u7531\u4e8eeBPF\u6700\u8fd1\u51e0\u5e74\u7684\u5feb\u901f\u53d1\u5c55\u4e0e\u5e94\u7528\uff0c\u6240\u4ee5\u5b9e\u9645\u4e0a\u9632\u706b\u5899\u5df2\u7ecf\u6709\u76f8\u5f53\u90e8\u5206\u529f\u80fd\u53ef\u4ee5\u901a\u8fc7bpf\u6765\u63a7\u5236\u4e86\u3002<\/p>\n<h1 style=\"text-align: center;\"><strong><span id=\"i-7\">\u95ee\u9898\u4e0e\u65b9\u5411<\/span><\/strong><\/h1>\n<p>\u5f53\u524dLinux\u5185\u6838\u5b89\u5168\u7cfb\u7edf\u8bbe\u8ba1\u7684\u95ee\u9898\u4e0d\u5c11\uff0c\u5305\u62ec\uff1a<\/p>\n<ul>\n<li>\u4f7f\u7528C\/C++\u5f00\u53d1\u5185\u6838\u4ee3\u7801\u5bb9\u6613\u5bfc\u81f4\u5b89\u5168\u9690\u60a3\uff0c\u4e3b\u8981\u662f\u5185\u5b58\u7ba1\u7406\u7684\u95ee\u9898\uff0c\u5982\u6ea2\u51fa\u3001\u6cc4\u6f0f\u3001\u8d8a\u754c\u8bbf\u95ee\u7b49\u3002\u867d\u7136\u6709\u4eba\u5df2\u7ecf\u5728\u5c1d\u8bd5\u4f7f\u7528rust\u5f00\u53d1\u5185\u6838\u6a21\u5757\uff0c\u4f46\u662f\u4ecd\u7136\u6709\u5f88\u591a\u7684\u95ee\u9898\u9700\u8981\u89e3\u51b3<\/li>\n<li>\u81ea\u4e3b\u8bbf\u95ee\u63a7\u5236\u65e0\u6cd5\u89e3\u51b3\u732a\u961f\u53cb\u7684\u95ee\u9898\uff0c\u5f3a\u5236\u8bbf\u95ee\u63a7\u5236\u65e0\u6cd5\u89e3\u51b3\u53ef\u6269\u5c55\u6027\u7684\u95ee\u9898<\/li>\n<li>\u7528\u6237\u9a8c\u8bc1\u7f3a\u4e4f\u5bf9\u65b0\u578b\u9a8c\u8bc1\u786c\u4ef6\u4e0e\u6280\u672f\u7684\u652f\u6301\uff0c\u4ee5\u53ca\u5bf9\u56fe\u5f62\u7528\u6237\u754c\u9762\u7684\u89c4\u8303<\/li>\n<li>\u53ef\u4fe1\u8ba1\u7b97\u96be\u4ee5\u907f\u514d\u7ba1\u7406\u50f5\u786c\u4e0e\u6027\u80fd\u4f4e\u4e0b\u7684\u95ee\u9898<\/li>\n<\/ul>\n<p>\u4e0a\u8ff0\u95ee\u9898\u6709\u7684\u6309\u7167\u73b0\u6709\u7684\u65b9\u5411\u5176\u5b9e\u5f88\u96be\u89e3\u51b3\uff0c\u56e0\u6b64\u6211\u4eec\u4e5f\u8bb8\u9700\u8981\u65b0\u7684\u65b9\u6cd5\u6765\u5904\u7406\u3002<\/p>\n<p>\u6bd4\u5982\uff1a<\/p>\n<ul>\n<li>\u5bf9\u7cfb\u7edf\u4e0e\u5e94\u7528\u8fdb\u884c\u5206\u79bb\u3002\u8fd9\u4e00\u70b9\u5df2\u7ecf\u5728iOS\u4e0eAndroid\u4e2d\u53d6\u5f97\u4e86\u6210\u529f<\/li>\n<li>\u5f62\u5f0f\u5316\u9a8c\u8bc1\u3002\u5bf9\u4e8e\u5c0f\u578b\u5316\u7cfb\u7edf\uff0c\u4f8b\u5982\u51e0\u5343\u884c\u6216\u8005\u751a\u81f3\u4e07\u884c\u7ea7\u522b\u7684\u7cfb\u7edf\uff0c\u8fd9\u4e5f\u8bb8\u662f\u53ef\u884c\u7684<\/li>\n<li>\u65b0\u7684\u8bbf\u95ee\u63a7\u5236\u6a21\u578b\u3002\u4f8b\u5982\u57fa\u4e8e\u5bf9\u8c61\u7684\u80fd\u529b\u6a21\u578b\uff0c\u5373oCap<\/li>\n<li>\u7ed3\u5408\u8bc1\u4e66\uff0c\u800c\u4e0d\u4ec5\u662f\u53ef\u4fe1\u8ba1\u7b97\u7684\u7cfb\u7edf\u95ed\u73af\u7ba1\u7406<\/li>\n<li>\u65b0\u7684\u5b89\u5168\u5f00\u53d1\u8bed\u8a00\uff0c\u4f8b\u5982\u7c7b\u4f3crust\u7684\u8bed\u8a00\uff0c\u800c\u73b0\u5728\u770b\u6765lisp\/haskell\u96be\u5f53\u91cd\u4efb<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"<p>\u4f5c\u8005\uff1azhanglei 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