{"id":136,"date":"2016-01-15T17:13:57","date_gmt":"2016-01-15T09:13:57","guid":{"rendered":"http:\/\/blog.qiaogen.com\/?p=136"},"modified":"2016-01-15T17:13:57","modified_gmt":"2016-01-15T09:13:57","slug":"%e5%9c%a8ubuntu%e4%b8%8b%e7%94%a8jailkit%e5%bb%ba%e7%ab%8b%e4%b8%80%e4%b8%aa%e5%8f%97%e9%99%90shell","status":"publish","type":"post","link":"https:\/\/www.sangqiao.com\/blog\/archives\/136","title":{"rendered":"\u5728Ubuntu\u4e0b\u7528jailkit\u5efa\u7acb\u4e00\u4e2a\u53d7\u9650Shell"},"content":{"rendered":"<p>\u8f6c\u81ea\uff1ahttp:\/\/os.51cto.com\/art\/201312\/423602.htm<\/p>\n<p><strong>Jailkit\u548cjailed Shell<\/strong><\/p>\n<p>\u53d7\u9650shell\uff08Jailed Shell\uff09\u662f\u4e00\u7c7b\u88ab\u9650\u5236\u7684shell\uff0c\u5b83\u770b\u8d77\u6765\u975e\u5e38\u50cf\u771f\u5b9e\u7684Shell\uff0c\u4f46\u662f\u5b83\u4e0d\u5141\u8bb8\u67e5\u770b\u548c\u4fee\u6539\u771f\u5b9e\u7684\u6587\u4ef6\u7cfb\u7edf\u7684\u4efb\u4f55\u90e8\u5206\u3002Shell\u5185\u7684\u6587\u4ef6\u7cfb\u7edf\u4e0d\u540c\u4e8e\u5e95\u5c42\u7684\u6587\u4ef6\u7cfb\u7edf\u3002\u8fd9\u79cd\u529f\u80fd\u662f\u901a\u8fc7chroot\u548c\u5176\u4ed6\u591a\u79cd\u7a0b\u5e8f\u5b9e\u73b0\u7684\u3002\u4e3e\u4f8b\u6765\u8bf4\uff0c\u7ed9\u7528\u6237\u5efa\u7acb\u4e00\u4e2aLinux shell\u53bb\u8ba9\u4ed6\u201c\u73a9\u73a9\u201d\uff0c\u6216\u8005\u5728\u4e00\u4e2a\u9650\u5b9a\u7684\u73af\u5883\u91cc\u8fd0\u884c\u4e00\u4e9b\u7a0b\u5e8f\u7684\u6240\u6709\u529f\u80fd\u7b49\u7b49\u3002<\/p>\n<p><a href=\"http:\/\/s4.51cto.com\/wyfs01\/M00\/44\/35\/wKioOVKxAMmz8z6EAACNj9tJrCU384.png\" target=\"_blank\"><img loading=\"lazy\" class=\"fit-image\" style=\"border: 0px; text-align: center;\" src=\"http:\/\/s4.51cto.com\/wyfs01\/M00\/44\/35\/wKioOVKxAMmz8z6EAACNj9tJrCU384.png\" alt=\"\" width=\"256\" height=\"256\" border=\"0\" \/><\/a><\/p>\n<p>\u672c\u6587\u4e2d\u6211\u4eec\u5c06\u4f1a\u63a2\u8ba8\u5728Ubuntu\u4e0b\u7528jailkit\u5efa\u7acb\u4e00\u4e2a\u53d7\u9650shell\u3002Jailkit\u662f\u4e00\u4e2a\u8ba9\u4f60\u5feb\u901f\u5efa\u7acb\u4e00\u4e2a\u53d7\u9650shell\u7684\u5de5\u5177\uff0c\u5c06\u53d7\u9650\u7528\u6237\u653e\u5230\u91cc\u9762\uff0c\u5e76\u914d\u7f6e\u90a3\u4e9b\u8981\u5728\u53d7\u9650\u5236\u73af\u5883\u91cc\u8fd0\u884c\u7684\u7a0b\u5e8f\u3002<\/p>\n<p>Jailkit \u4ece\u8fd9\u91cc\u4e0b\u8f7d\uff1a<a href=\"http:\/\/olivier.sessink.nl\/jailkit\/\" target=\"_blank\">http:\/\/olivier.sessink.nl\/jailkit\/<\/a><\/p>\n<hr \/>\n<p><strong>\u5728Ubuntu\/Debian \u4e0a\u5b89\u88c5 jailkit<\/strong><\/p>\n<p>1. \u56e0\u4e3ajaikit\u9700\u8981\u5728\u7cfb\u7edf\u4e0a\u7f16\u8bd1\uff0c\u9996\u5148\uff0c\u6211\u4eec\u9700\u8981\u6709\u7528\u4e8e\u7f16\u8bd1\u7684\u90a3\u4e9b\u5de5\u5177\u3002\u6240\u4ee5\uff0c\u5b89\u88c5\u5982\u4e0b\u5305\uff1a<\/p>\n<ol class=\"dp-xml\">\n<li class=\"alt\">$\u00a0sudo\u00a0apt-get\u00a0install\u00a0build-essential\u00a0autoconf\u00a0automake\u00a0libtool\u00a0flex\u00a0bison\u00a0debhelper\u00a0binutils-gold<\/li>\n<\/ol>\n<p>2. \u4ece\u4e0b\u8ff0URL\u4e0b\u8f7dJailkit\uff0c\u6216\u8005\u8bbf\u95ee\u5b83\u7684\u7f51\u7ad9\u4ee5\u4e0b\u8f7d\u6700\u65b0\u7248\u672c\u7684\uff0c\u5982\u679c\u6709\u4e86\u66f4\u65b0\u7248\u672c\u7684\u8bdd\u3002<a href=\"http:\/\/olivier.sessink.nl\/jailkit\/jailkit-2.16.tar.gz\" target=\"_blank\">http:\/\/olivier.sessink.nl\/jailkit\/jailkit-2.16.tar.gz<\/a><\/p>\n<ol class=\"dp-xml\">\n<li class=\"alt\">$\u00a0wget\u00a0http:\/\/olivier.sessink.nl\/jailkit\/jailkit-2.16.tar.gz<\/li>\n<\/ol>\n<p>3. \u89e3\u538b<\/p>\n<ol class=\"dp-xml\">\n<li class=\"alt\">$\u00a0tar\u00a0-vxzf\u00a0jailkit-2.16.tar.gz<\/li>\n<\/ol>\n<p>4. \u7f16\u8bd1\u5e76\u521b\u5efadeb\u8f6f\u4ef6\u5305<\/p>\n<p>Jailkit\u5df2\u7ecf\u5305\u542b\u4e86\u7528\u4e8e\u7f16\u8bd1\u6210deb\u8f6f\u4ef6\u5305\u7684\u4ee3\u7801\u548c\u914d\u7f6e\uff0c\u53ef\u4ee5\u76f4\u63a5\u5b89\u88c5\u5728Debian\u7cfb\u7684Linux\u4e0a\u3002\u8fd0\u884c\u4e0b\u5217\u547d\u4ee4\u6765\u5b8c\u6210\u5b83\u3002<\/p>\n<ol class=\"dp-xml\">\n<li class=\"alt\">$\u00a0cd\u00a0jailkit-2.16\/<\/li>\n<li>$\u00a0sudo\u00a0.\/debian\/rules\u00a0binary<\/li>\n<\/ol>\n<p>5. \u5b89\u88c5deb\u8f6f\u4ef6\u5305<\/p>\n<p>\u4e0a\u8ff0\u547d\u4ee4\u521b\u5efa\u7684deb\u8f6f\u4ef6\u5305\u53eb\u505a\uff1a jailkit2.16-1amd64.deb.<\/p>\n<ol class=\"dp-xml\">\n<li class=\"alt\">$\u00a0cd\u00a0..<\/li>\n<li>$\u00a0sudo\u00a0dpkg\u00a0-i\u00a0jailkit_2.16-1_amd64.deb<\/li>\n<\/ol>\n<p>\u5c31\u662f\u8fd9\u6837\uff0c\u73b0\u5728Jailkit\u5df2\u7ecf\u5b89\u88c5\u5b8c\u6210\u4e86\u3002Jailkit\u6709\u8bb8\u591a\u547d\u4ee4\u53ef\u4ee5\u7528\u6765\u8bbe\u7f6e\u4e00\u4e2a\u57fa\u4e8echroot\u7684\u53d7\u9650\u73af\u5883\uff0c\u5982\u4e0b\u662f\u8fd9\u4e9b\u547d\u4ee4\uff1a<\/p>\n<ol class=\"dp-xml\">\n<li class=\"alt\">$\u00a0jk_<\/li>\n<li>jk_addjailuser\u00a0\u00a0\u00a0jk_chrootlaunch\u00a0\u00a0jk_cp\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0jk_jailuser\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0jk_lsh\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0jk_uchroot<\/li>\n<li class=\"alt\"><\/li>\n<li>jk_check\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0jk_chrootsh\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0jk_init\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0jk_list\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0jk_socketd\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0jk_update<\/li>\n<\/ol>\n<p>\u4e0a\u8ff0\u547d\u4ee4\u90fd\u6709man\u5e2e\u52a9\u4fe1\u606f\uff0c\u5982\u679c\u4f60\u4f7f\u7528\u5b83\u4eec\u65f6\uff0c\u53ef\u4ee5\u53c2\u8003\u3002<\/p>\n<hr \/>\n<p><strong>\u914d\u7f6eJailed Shell<\/strong><\/p>\n<p>1. \u914d\u7f6e\u53d7\u9650\u73af\u5883<\/p>\n<p>\u6211\u4eec\u9700\u8981\u5efa\u7acb\u4e00\u4e2a\u76ee\u5f55\u6765\u5b58\u653e\u6240\u6709\u53d7\u9650\u73af\u5883\u7684\u914d\u7f6e\u3002\u76ee\u5f55\u968f\u4fbf\u653e\u5728\u4ec0\u4e48\u5730\u65b9\uff0c\u6bd4\u5982\u6211\u4eec\u53ef\u4ee5\u521b\u5efa\u4e2a\/opt\/jail\u7684\u76ee\u5f55\u3002<\/p>\n<ol class=\"dp-xml\">\n<li class=\"alt\">$\u00a0sudo\u00a0mkdir\u00a0\/opt\/jail<\/li>\n<\/ol>\n<p>\u8fd9\u4e2a\u76ee\u5f55\u5e94\u4e3aRoot\u6240\u6709\u3002\u7528chown\u6539\u53d8\u5c5e\u4e3b\u3002<\/p>\n<ol class=\"dp-xml\">\n<li class=\"alt\">$\u00a0sudo\u00a0chown\u00a0root:root\u00a0\/opt\/jail<\/li>\n<\/ol>\n<p>2. \u8bbe\u7f6e\u5728\u53d7\u9650\u73af\u5883\u4e2d\u53ef\u7528\u7684\u7a0b\u5e8f<\/p>\n<p>\u4efb\u4f55\u7a0b\u5e8f\u60f3\u8981\u5728\u53d7\u9650\u73af\u5883\u4e2d\u6267\u884c\u5219\u5fc5\u987b\u7528jk_init\u547d\u4ee4\u62f7\u8d1d\u5230\u76ee\u5f55\u4e2d\u3002<\/p>\n<p>\u4f8b\u5982\uff1a<\/p>\n<ol class=\"dp-xml\">\n<li class=\"alt\">$\u00a0sudo\u00a0jk_init\u00a0-v\u00a0\/jail\u00a0basicshell<\/li>\n<li>$\u00a0sudo\u00a0jk_init\u00a0-v\u00a0\/jail\u00a0editors<\/li>\n<li class=\"alt\">$\u00a0sudo\u00a0jk_init\u00a0-v\u00a0\/jail\u00a0extendedshell<\/li>\n<li>$\u00a0sudo\u00a0jk_init\u00a0-v\u00a0\/jail\u00a0netutils<\/li>\n<li class=\"alt\">$\u00a0sudo\u00a0jk_init\u00a0-v\u00a0\/jail\u00a0ssh<\/li>\n<li>$\u00a0sudo\u00a0jk_init\u00a0-v\u00a0\/jail\u00a0sftp<\/li>\n<li class=\"alt\">$\u00a0sudo\u00a0jk_init\u00a0-v\u00a0\/jail\u00a0jk_lsh<\/li>\n<\/ol>\n<p>\u6216\u4e00\u6b21\u6027\u89e3\u51b3\uff1a<\/p>\n<ol class=\"dp-xml\">\n<li class=\"alt\">$\u00a0sudo\u00a0jk_init\u00a0-v\u00a0\/opt\/jail\u00a0netutils\u00a0basicshell\u00a0jk_lsh\u00a0openvpn\u00a0ssh\u00a0sftp<\/li>\n<\/ol>\n<p>\u50cfbasicshell, editors, netutils\u662f\u4e00\u4e9b\u7ec4\u540d\uff0c\u5176\u4e2d\u5305\u542b\u591a\u4e2a\u7a0b\u5e8f\u3002\u590d\u5236\u5230jail shell\u4e2d\u7684\u6bcf\u4e2a\u7ec4\u90fd\u662f\u53ef\u6267\u884c\u6587\u4ef6\u3001\u5e93\u6587\u4ef6\u7b49\u7684\u96c6\u5408\u3002\u6bd4\u5982<strong>basicshell<\/strong>\u5c31\u5728jail\u63d0\u4f9b\u6709bash, ls, cat, chmod, mkdir, cp, cpio, date, dd, echo, egrep\u7b49\u7a0b\u5e8f\u3002<\/p>\n<p>\u5b8c\u6574\u7684\u7a0b\u5e8f\u5217\u8868\u8bbe\u7f6e\uff0c\u4f60\u53ef\u4ee5\u5728\/etc\/jailkit\/jk_init.ini\u4e2d\u67e5\u770b\u3002<\/p>\n<table border=\"0\" width=\"95%\" cellspacing=\"0\" cellpadding=\"6\" align=\"center\">\n<tbody>\n<tr>\n<td bgcolor=\"#fdfddf\"><span style=\"color: #ff0000;\">\u00a0<\/span>jk_lsh (Jailkit limited shell) &#8211; \u8fd9\u662f\u4e00\u4e2a\u91cd\u8981\u7684\u90e8\u5206\uff0c\u5fc5\u987b\u6dfb\u52a0\u5230\u53d7\u9650\u73af\u5883\u4e2d\u3002<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>3. \u521b\u5efa\u5c06\u88ab\u76d1\u7981\u7684\u7528\u6237<\/p>\n<p>\u9700\u8981\u5c06\u4e00\u4e2a\u7528\u6237\u653e\u5165jail\u91cc\u3002\u53ef\u4ee5\u5148\u521b\u5efa\u4e00\u4e2a<\/p>\n<ol class=\"dp-xml\">\n<li class=\"alt\">$\u00a0sudo\u00a0adduser\u00a0robber<\/li>\n<li>Adding\u00a0user\u00a0`robber&#8217;\u00a0&#8230;<\/li>\n<li class=\"alt\">Adding\u00a0new\u00a0group\u00a0`robber&#8217;\u00a0(1005)\u00a0&#8230;<\/li>\n<li>Adding\u00a0new\u00a0user\u00a0`robber&#8217;\u00a0(1006)\u00a0with\u00a0group\u00a0`robber&#8217;\u00a0&#8230;<\/li>\n<li class=\"alt\">Creating\u00a0home\u00a0directory\u00a0`\/home\/robber&#8217;\u00a0&#8230;<\/li>\n<li>Copying\u00a0files\u00a0from\u00a0`\/etc\/skel&#8217;\u00a0&#8230;<\/li>\n<li class=\"alt\">Enter\u00a0new\u00a0UNIX\u00a0password:<\/li>\n<li>Retype\u00a0new\u00a0UNIX\u00a0password:<\/li>\n<li class=\"alt\">passwd:\u00a0password\u00a0updated\u00a0successfully<\/li>\n<li>Changing\u00a0the\u00a0user\u00a0information\u00a0for\u00a0robber<\/li>\n<li class=\"alt\">Enter\u00a0the\u00a0new\u00a0value,\u00a0or\u00a0press\u00a0ENTER\u00a0for\u00a0the\u00a0default<\/li>\n<li>\u00a0\u00a0\u00a0\u00a0Full\u00a0Name\u00a0[]:<\/li>\n<li class=\"alt\">\u00a0\u00a0\u00a0\u00a0Room\u00a0Number\u00a0[]:<\/li>\n<li>\u00a0\u00a0\u00a0\u00a0Work\u00a0Phone\u00a0[]:<\/li>\n<li class=\"alt\">\u00a0\u00a0\u00a0\u00a0Home\u00a0Phone\u00a0[]:<\/li>\n<li>\u00a0\u00a0\u00a0\u00a0Other\u00a0[]:<\/li>\n<li class=\"alt\">Is\u00a0the\u00a0information\u00a0correct?\u00a0[Y\/n]\u00a0y<\/li>\n<\/ol>\n<p><strong>\u6ce8\u610f<\/strong>\uff1a\u76ee\u524d\u521b\u5efa\u7684\u662f\u4e00\u4e2a\u5728\u5b9e\u9645\u6587\u4ef6\u7cfb\u7edf\u4e2d\u7684\u666e\u901a\u7528\u6237\uff0c\u5e76\u6ca1\u6709\u6dfb\u52a0\u5230\u53d7\u9650\u73af\u5883\u4e2d\u3002<\/p>\n<p>\u5728\u4e0b\u4e00\u6b65\u8fd9\u4e2a\u7528\u6237\u4f1a\u88ab\u653e\u5230\u53d7\u9650\u73af\u5883\u91cc\u3002<\/p>\n<p>\u8fd9\u65f6\u5019\u5982\u679c\u4f60\u67e5\u770b\/etc\/passwd\u6587\u4ef6\uff0c\u4f60\u4f1a\u5728\u6587\u4ef6\u6700\u540e\u770b\u5230\u8ddf\u4e0b\u9762\u5dee\u4e0d\u591a\u7684\u4e00\u4e2a\u6761\u76ee\u3002<\/p>\n<ol class=\"dp-xml\">\n<li class=\"alt\">robber:x:1006:1005:,,,:\/home\/robber:\/bin\/bash<\/li>\n<\/ol>\n<p>\u8fd9\u662f\u6211\u4eec\u65b0\u521b\u5efa\u7684\u7528\u6237\uff0c\u6700\u540e\u90e8\u5206\u7684\/bin\/bash\u6307\u793a\u4e86\u8fd9\u4e2a\u7528\u6237\u5982\u679c\u767b\u5165\u4e86\u90a3\u4e48\u5b83\u53ef\u4ee5\u5728\u7cfb\u7edf\u4e0a\u6b63\u5e38\u7684Shell\u8bbf\u95ee<\/p>\n<p>4. \u9650\u5236\u7528\u6237<\/p>\n<p>\u73b0\u5728\u662f\u65f6\u5019\u5c06\u7528\u6237\u9650\u5236<\/p>\n<ol class=\"dp-xml\">\n<li class=\"alt\">$\u00a0sudo\u00a0jk_jailuser\u00a0-m\u00a0-j\u00a0\/opt\/jail\/\u00a0robber<\/li>\n<\/ol>\n<p>\u6267\u884c\u4e0a\u5217\u547d\u4ee4\u540e\uff0c\u7528\u6237robber\u5c06\u4f1a\u88ab\u9650\u5236\u3002<\/p>\n<p>\u5982\u679c\u4f60\u73b0\u5728\u518d\u89c2\u5bdf\/etc\/passwd\u6587\u4ef6\uff0c\u4f1a\u53d1\u73b0\u7c7b\u4f3c\u4e0b\u9762\u7684\u6700\u540e\u6761\u76ee\u3002<\/p>\n<ol class=\"dp-xml\">\n<li class=\"alt\">robber:x:1006:1005:,,,:\/opt\/jail\/.\/home\/robber:\/usr\/sbin\/jk_chrootsh<\/li>\n<\/ol>\n<p><strong>\u6ce8\u610f<\/strong>\uff1a\u6700\u540e\u4e24\u90e8\u5206\u8868\u660e\u7528\u6237\u4e3b\u76ee\u5f55\u548cshell\u7c7b\u578b\u5df2\u7ecf\u88ab\u6539\u53d8\u4e86\u3002\u73b0\u5728\u7528\u6237\u7684\u4e3b\u76ee\u5f55\u5728\/opt\/jail(\u53d7\u9650\u73af\u5883)\u4e2d\u3002\u7528\u6237\u7684Shell\u662f\u4e00\u4e2a\u540d\u53ebjk_chrootsh\u7684\u7279\u6b8a\u7a0b\u5e8f\uff0c\u4f1a\u63d0\u4f9bJailed Shell\u3002<\/p>\n<p>jk_chrootsh\u8fd9\u662f\u4e2a\u7279\u6b8a\u7684shell\uff0c\u6bcf\u5f53\u7528\u6237\u767b\u5165\u7cfb\u7edf\u65f6\uff0c\u5b83\u90fd\u4f1a\u5c06\u7528\u6237\u653e\u5165\u53d7\u9650\u73af\u5883\u4e2d\u3002<\/p>\n<p>\u5230\u76ee\u524d\u4e3a\u6b62\u53d7\u9650\u914d\u7f6e\u5df2\u7ecf\u51e0\u4e4e\u5b8c\u6210\u4e86\u3002\u4f46\u662f\u5982\u679c\u4f60\u8bd5\u56fe\u7528ssh\u8fde\u63a5\uff0c\u90a3\u4e48\u6ce8\u5b9a\u4f1a\u5931\u8d25\uff0c\u50cf\u8fd9\u6837\uff1a<\/p>\n<ol class=\"dp-xml\">\n<li class=\"alt\">$\u00a0ssh\u00a0robber@localhost<\/li>\n<li>robber@localhost&#8217;s\u00a0password:<\/li>\n<li class=\"alt\">Welcome\u00a0to\u00a0Ubuntu\u00a012.04\u00a0LTS\u00a0(GNU\/Linux\u00a03.2.0-25-generic\u00a0x86_64)<\/li>\n<li>*\u00a0Documentation:\u00a0\u00a0https:\/\/help.ubuntu.com\/<\/li>\n<li class=\"alt\">13\u00a0packages\u00a0can\u00a0be\u00a0updated.<\/li>\n<li>0\u00a0updates\u00a0are\u00a0security\u00a0updates.<\/li>\n<li class=\"alt\">***\u00a0\/dev\/sda7\u00a0will\u00a0be\u00a0checked\u00a0for\u00a0errors\u00a0at\u00a0next\u00a0reboot\u00a0***<\/li>\n<li>***\u00a0\/dev\/sda8\u00a0will\u00a0be\u00a0checked\u00a0for\u00a0errors\u00a0at\u00a0next\u00a0reboot\u00a0***<\/li>\n<li class=\"alt\">Last\u00a0login:\u00a0Sat\u00a0Jun\u00a023\u00a012:45:13\u00a02012\u00a0from\u00a0localhost<\/li>\n<li>Connection\u00a0to\u00a0localhost\u00a0closed.<\/li>\n<li class=\"alt\">$<\/li>\n<\/ol>\n<p>\u8fde\u63a5\u4f1a\u7acb\u9a6c\u5173\u95ed\uff0c\u8fd9\u610f\u5473\u7740\u7528\u6237\u5df2\u7ecf\u6d3b\u52a8\u5728\u4e00\u4e2a\u53d7\u9650\u5236\u7684shell\u4e2d\u3002<\/p>\n<p>5. \u7ed9\u5728jail\u4e2d\u7684\u7528\u6237Bash Shell<\/p>\n<p>\u4e0b\u4e2a\u91cd\u8981\u7684\u4e8b\u60c5\u662f\u7ed9\u7528\u6237\u5728\u9650\u5236\u73af\u5883\u4e2d\u7684\u4e00\u4e2a\u6b63\u786e\u7684bash shell\u3002<\/p>\n<p>\u6253\u5f00\u4e0b\u9762\u7684\u6587\u4ef6<\/p>\n<ol class=\"dp-xml\">\n<li class=\"alt\">\/opt\/jail\/etc\/passwd<\/li>\n<\/ol>\n<p>\u8fd9\u662f\u4e2ajail\u4e2d\u7684password\u6587\u4ef6\u3002\u7c7b\u4f3c\u5982\u4e0b<\/p>\n<ol class=\"dp-xml\">\n<li class=\"alt\">root:x:0:0:root:\/root:\/bin\/bash<\/li>\n<li>robber:x:1006:1005:,,,:\/home\/robber:\/usr\/sbin\/jk_lsh<\/li>\n<\/ol>\n<p>\u5c06\/usr\/sbin\/jk_lsh\u6539\u4e3a\/bin\/bash<\/p>\n<ol class=\"dp-xml\">\n<li class=\"alt\">root:x:0:0:root:\/root:\/bin\/bash<\/li>\n<li>robber:x:1006:1005:,,,:\/home\/robber:\/bin\/bash<\/li>\n<\/ol>\n<p>\u4fdd\u5b58\u6587\u4ef6\u5e76\u9000\u51fa\u3002<\/p>\n<p>6. \u767b\u5165\u9650\u5236\u73af\u5883<\/p>\n<p>\u73b0\u5728\u8ba9\u6211\u4eec\u518d\u6b21\u767b\u5165\u53d7\u9650\u73af\u5883<\/p>\n<ol class=\"dp-xml\">\n<li class=\"alt\">$\u00a0ssh\u00a0robber@localhost<\/li>\n<li>robber@localhost&#8217;s\u00a0password:<\/li>\n<li class=\"alt\">Welcome\u00a0to\u00a0Ubuntu\u00a012.04\u00a0LTS\u00a0(GNU\/Linux\u00a03.2.0-25-generic\u00a0x86_64)<\/li>\n<li>\u00a0*\u00a0Documentation:\u00a0\u00a0https:\/\/help.ubuntu.com\/<\/li>\n<li class=\"alt\">13\u00a0packages\u00a0can\u00a0be\u00a0updated.<\/li>\n<li>0\u00a0updates\u00a0are\u00a0security\u00a0updates.<\/li>\n<li class=\"alt\">***\u00a0\/dev\/sda7\u00a0will\u00a0be\u00a0checked\u00a0for\u00a0errors\u00a0at\u00a0next\u00a0reboot\u00a0***<\/li>\n<li>***\u00a0\/dev\/sda8\u00a0will\u00a0be\u00a0checked\u00a0for\u00a0errors\u00a0at\u00a0next\u00a0reboot\u00a0***<\/li>\n<li class=\"alt\">Last\u00a0login:\u00a0Sat\u00a0Jun\u00a023\u00a012:46:01\u00a02012\u00a0from\u00a0localhost<\/li>\n<li>bash:\u00a0groups:\u00a0command\u00a0not\u00a0found<\/li>\n<li class=\"alt\">I\u00a0have\u00a0no\u00a0name!@desktop:~$<\/li>\n<\/ol>\n<p>\u53d7\u9650\u73af\u5883\u8bf4&#8217;I have no name!&#8217;\uff0c\u54c8\u54c8\u3002\u73b0\u5728\u6211\u4eec\u5728\u53d7\u9650\u73af\u5883\u4e2d\u6709\u4e86\u4e2a\u5b8c\u6574\u529f\u80fd\u7684bash shell\u3002<\/p>\n<p>\u73b0\u5728\u770b\u770b\u5b9e\u9645\u7684\u73af\u5883\u3002\u53d7\u9650\u73af\u5883\u4e2d\u7684\u6839\u76ee\u5f55\u5b9e\u9645\u5c31\u662f\u771f\u5b9e\u6587\u4ef6\u7cfb\u7edf\u4e2d\u7684\/opt\/jail\u3002\u4f46\u8fd9\u53ea\u6709\u6211\u4eec\u81ea\u5df1\u77e5\u9053\uff0c\u53d7\u9650\u7528\u6237\u5e76\u4e0d\u77e5\u60c5\u3002<\/p>\n<ol class=\"dp-xml\">\n<li class=\"alt\">I\u00a0have\u00a0no\u00a0name!@desktop:~$\u00a0cd\u00a0\/<\/li>\n<li>I\u00a0have\u00a0no\u00a0name!@desktop:\/$\u00a0ls<\/li>\n<li class=\"alt\">bin\u00a0\u00a0dev\u00a0\u00a0etc\u00a0\u00a0home\u00a0\u00a0lib\u00a0\u00a0lib64\u00a0\u00a0run\u00a0\u00a0usr\u00a0\u00a0var<\/li>\n<li>I\u00a0have\u00a0no\u00a0name!@desktop:\/$<\/li>\n<\/ol>\n<p>\u4e5f\u53ea\u6709\u6211\u4eec\u901a\u8fc7jk_cp\u62f7\u8d1d\u5230jail\u4e2d\u7684\u547d\u4ee4\u80fd\u4f7f\u7528\u3002<\/p>\n<p>\u5982\u679c\u767b\u5165\u5931\u8d25\uff0c\u8bf7\u68c0\u67e5\u4e00\u4e0b\/var\/log\/auth.log\u7684\u9519\u8bef\u4fe1\u606f\u3002<\/p>\n<p>\u73b0\u5728\u5c1d\u8bd5\u8fd0\u884c\u4e00\u4e9b\u7f51\u7edc\u547d\u4ee4\uff0c\u7c7b\u4f3cwget\u7684\u547d\u4ee4\u3002<\/p>\n<ol class=\"dp-xml\">\n<li class=\"alt\">$\u00a0wget\u00a0http:\/\/www.google.com\/<\/li>\n<\/ol>\n<p>\u5982\u679c\u4f60\u83b7\u5f97\u7c7b\u4f3c\u7684\u9519\u8bef\u63d0\u793a\uff1a<\/p>\n<ol class=\"dp-xml\">\n<li class=\"alt\">$\u00a0wget\u00a0http:\/\/www.google.com\/<\/li>\n<li>&#8211;2012-06-23\u00a012:56:43&#8211;\u00a0\u00a0http:\/\/www.google.com\/<\/li>\n<li class=\"alt\">Resolving\u00a0www.google.com\u00a0(www.google.com)&#8230;\u00a0failed:\u00a0Name\u00a0or\u00a0service\u00a0not\u00a0known.<\/li>\n<li>wget:\u00a0unable\u00a0to\u00a0resolve\u00a0host\u00a0address\u00a0`www.google.com&#8217;<\/li>\n<\/ol>\n<p>\u4f60\u53ef\u4ee5\u901a\u8fc7\u8fd0\u884c\u4e0b\u5217\u4e24\u6761\u547d\u4ee4\u6765\u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898\uff1a<\/p>\n<ol class=\"dp-xml\">\n<li class=\"alt\">$\u00a0sudo\u00a0jk_cp\u00a0-v\u00a0-j\u00a0\/opt\/jail\u00a0\/lib\/x86_64-linux-gnu\/libnss_files.so.2<\/li>\n<li>$\u00a0sudo\u00a0jk_cp\u00a0-v\u00a0-j\u00a0\/opt\/jail\u00a0\/lib\/x86_64-linux-gnu\/libnss_dns.so.2<\/li>\n<\/ol>\n<p>\u8fd9\u6837\u624d\u80fd\u6b63\u786e\u7684\u5b9a\u4f4d\u5230libnssfiles.so\u548clibnssdns.so<\/p>\n<hr \/>\n<p><strong>\u5728\u9650\u5236\u73af\u5883\u4e2d\u8fd0\u884c\u7a0b\u5e8f\u6216\u670d\u52a1<\/strong><\/p>\n<p>\u73b0\u5728\u914d\u7f6e\u5df2\u7ecf\u5b8c\u6210\u4e86\u3002\u53ef\u4ee5\u5728\u9650\u5236\/\u5b89\u5168\u7684\u73af\u5883\u91cc\u8fd0\u884c\u7a0b\u5e8f\u6216\u670d\u52a1\u3002\u8981\u5728\u9650\u5236\u73af\u5883\u4e2d\u542f\u52a8\u4e00\u4e2a\u7a0b\u5e8f\u6216\u5b88\u62a4\u8fdb\u7a0b\u53ef\u4ee5\u7528<strong>jk_chrootlaunch<\/strong>\u547d\u4ee4\u3002<\/p>\n<ol class=\"dp-xml\">\n<li class=\"alt\">$\u00a0sudo\u00a0jk_chrootlaunch\u00a0-j\u00a0\/opt\/jail\u00a0-u\u00a0robber\u00a0-x\u00a0\/some\/command\/in\/jail<\/li>\n<\/ol>\n<p>jk_chrootlaunch\u5de5\u5177\u53ef\u4ee5\u5728\u9650\u5236\u73af\u5883\u4e2d\u542f\u52a8\u4e00\u4e2a\u7279\u6b8a\u7684\u8fdb\u7a0b\u540c\u65f6\u6307\u5b9a\u7528\u6237\u7279\u6743\u3002\u5982\u679c\u5b88\u62a4\u8fdb\u7a0b\u542f\u52a8\u5931\u8d25\uff0c\u8bf7\u68c0\u67e5\/var\/log\/syslog\/\u9519\u8bef\u4fe1\u606f\u3002<\/p>\n<p>\u5728\u9650\u5236\u73af\u5883\u4e2d\u8fd0\u884c\u7a0b\u5e8f\u4e4b\u524d\uff0c\u8be5\u7a0b\u5e8f\u5fc5\u987b\u5df2\u7ecf\u7528jk_cp\u547d\u4ee4\u590d\u5236\u5230jail\u4e2d\u3002<\/p>\n<table border=\"0\" width=\"95%\" cellspacing=\"0\" cellpadding=\"6\" align=\"center\">\n<tbody>\n<tr>\n<td bgcolor=\"#fdfddf\"><span style=\"color: #ff0000;\">\u00a0<\/span>jk_cp -\u3000\u5c06\u6587\u4ef6\u5305\u62ec\u6743\u9650\u4fe1\u606f\u548c\u5e93\u6587\u4ef6\u590d\u5236\u5230jail\u7684\u5de5\u5177<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u8fdb\u4e00\u6b65\u9605\u8bfb\u6709\u5173\u5176\u4ed6jailkit\u547d\u4ee4\u4fe1\u606f\uff0c\u53ef\u4ee5\u9605\u8bfb\u6587\u6863\uff0c<a href=\"http:\/\/olivier.sessink.nl\/jailkit\/\" target=\"_blank\">http:\/\/olivier.sessink.nl\/jailkit\/<\/a><\/p>\n<p>via: <a href=\"http:\/\/www.binarytides.com\/install-jailkit-ubuntu-debian\/\" target=\"_blank\">http:\/\/www.binarytides.com\/install-jailkit-ubuntu-debian\/<\/a><\/p>\n<p>via: <a href=\"http:\/\/www.binarytides.com\/setup-jailed-shell-jailkit-ubuntu\/\" target=\"_blank\">http:\/\/www.binarytides.com\/setup-jailed-shell-jailkit-ubuntu\/<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u8f6c\u81ea\uff1ahttp:\/\/os.51cto.com\/art\/201312\/423602.htm Jailkit\u548cja [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[3],"tags":[],"_links":{"self":[{"href":"https:\/\/www.sangqiao.com\/blog\/wp-json\/wp\/v2\/posts\/136"}],"collection":[{"href":"https:\/\/www.sangqiao.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.sangqiao.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.sangqiao.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.sangqiao.com\/blog\/wp-json\/wp\/v2\/comments?post=136"}],"version-history":[{"count":1,"href":"https:\/\/www.sangqiao.com\/blog\/wp-json\/wp\/v2\/posts\/136\/revisions"}],"predecessor-version":[{"id":137,"href":"https:\/\/www.sangqiao.com\/blog\/wp-json\/wp\/v2\/posts\/136\/revisions\/137"}],"wp:attachment":[{"href":"https:\/\/www.sangqiao.com\/blog\/wp-json\/wp\/v2\/media?parent=136"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.sangqiao.com\/blog\/wp-json\/wp\/v2\/categories?post=136"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.sangqiao.com\/blog\/wp-json\/wp\/v2\/tags?post=136"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}