{"id":51105,"date":"2024-12-03T10:19:42","date_gmt":"2024-12-03T02:19:42","guid":{"rendered":"https:\/\/fwq.ai\/blog\/51105\/"},"modified":"2024-12-03T10:19:42","modified_gmt":"2024-12-03T02:19:42","slug":"linux%e6%9c%8d%e5%8a%a1%e5%99%a8%e9%98%b2%e6%8a%a4%ef%bc%9a%e4%bf%9d%e6%8a%a4web%e6%8e%a5%e5%8f%a3%e5%85%8d%e5%8f%97%e7%9b%ae%e5%bd%95%e9%81%8d%e5%8e%86%e6%94%bb%e5%87%bb%e3%80%82-2","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/51105\/","title":{"rendered":"Linux\u670d\u52a1\u5668\u9632\u62a4\uff1a\u4fdd\u62a4Web\u63a5\u53e3\u514d\u53d7\u76ee\u5f55\u904d\u5386\u653b\u51fb\u3002"},"content":{"rendered":"

<\/b> <\/p>\n

Linux\u670d\u52a1\u5668\u9632\u62a4\uff1a\u4fdd\u62a4Web\u63a5\u53e3\u514d\u53d7\u76ee\u5f55\u904d\u5386\u653b\u51fb\u3002<\/h1>\n

\u4ece\u73b0\u5728\u5f00\u59cb\uff0c\u6211\u4eec\u8981\u52aa\u529b\u5b66\u4e60\u5566\uff01\u4eca\u5929\u6211\u7ed9\u5927\u5bb6\u5e26\u6765\uff0c\u611f\u5174\u8da3\u7684\u670b\u53cb\u8bf7\u7ee7\u7eed\u770b\u4e0b\u53bb\u5427\uff01\u4e0b\u6587\u4e2d\u7684\u5185\u5bb9\u6211\u4eec\u4e3b\u8981\u4f1a\u6d89\u53ca\u5230<\/span>\u7b49\u7b49\u77e5\u8bc6\u70b9\uff0c\u5982\u679c\u5728\u9605\u8bfb\u672c\u6587\u8fc7\u7a0b\u4e2d\u6709\u9047\u5230\u4e0d\u6e05\u695a\u7684\u5730\u65b9\uff0c\u6b22\u8fce\u7559\u8a00\u5440\uff01\u6211\u4eec\u4e00\u8d77\u8ba8\u8bba\uff0c\u4e00\u8d77\u5b66\u4e60\uff01<\/p>\n

Linux\u670d\u52a1\u5668\u9632\u62a4\uff1a\u4fdd\u62a4Web\u63a5\u53e3\u514d\u53d7\u76ee\u5f55\u904d\u5386\u653b\u51fb<\/p>\n

\u76ee\u5f55\u904d\u5386\u653b\u51fb\u662f\u4e00\u79cd\u5e38\u89c1\u7684\u7f51\u7edc\u5b89\u5168\u5a01\u80c1\uff0c\u653b\u51fb\u8005\u8bd5\u56fe\u901a\u8fc7\u8bbf\u95ee\u7cfb\u7edf\u6587\u4ef6\u8def\u5f84\u4ee5\u53ca\u654f\u611f\u6587\u4ef6\uff0c\u6765\u83b7\u53d6\u672a\u7ecf\u6388\u6743\u7684\u8bbf\u95ee\u6743\u9650\u3002\u5728Web\u5e94\u7528\u7a0b\u5e8f\u4e2d\uff0c\u76ee\u5f55\u904d\u5386\u653b\u51fb\u901a\u5e38\u662f\u901a\u8fc7\u64cd\u4f5cURL\u8def\u5f84\u6765\u5b9e\u73b0\u7684\uff0c\u653b\u51fb\u8005\u8f93\u5165\u7279\u6b8a\u7684\u76ee\u5f55\u904d\u5386\u5b57\u7b26\uff08\u5982\u201c..\/\u201d\uff09\u6765\u5bfc\u822a\u5230\u5e94\u7528\u7a0b\u5e8f\u4e0a\u4e0b\u6587\u4e4b\u5916\u7684\u76ee\u5f55\u3002<\/p>\n

\u4e3a\u4e86\u9632\u6b62Web\u63a5\u53e3\u906d\u53d7\u76ee\u5f55\u904d\u5386\u653b\u51fb\uff0c\u6211\u4eec\u53ef\u4ee5\u91c7\u53d6\u4ee5\u4e0b\u63aa\u65bd\u6765\u4fdd\u62a4\u670d\u52a1\u5668\u5b89\u5168\u3002<\/p>\n

    \n
  1. \u8f93\u5165\u9a8c\u8bc1
    \u5728Web\u5e94\u7528\u7a0b\u5e8f\u4e2d\uff0c\u8f93\u5165\u9a8c\u8bc1\u662f\u9632\u8303\u76ee\u5f55\u904d\u5386\u653b\u51fb\u7684\u91cd\u8981\u6b65\u9aa4\u3002\u5728\u63a5\u6536\u5230\u7528\u6237\u7684\u8f93\u5165\u540e\uff0c\u5e94\u8be5\u5bf9\u5176\u8fdb\u884c\u4e25\u683c\u9a8c\u8bc1\uff0c\u5e76\u8fc7\u6ee4\u6389\u7279\u6b8a\u5b57\u7b26\uff0c\u4f8b\u5982\u201c..\/\u201d\u3002\u53ef\u4ee5\u4f7f\u7528\u6b63\u5219\u8868\u8fbe\u5f0f\u6216\u7f16\u7a0b\u8bed\u8a00\u4e2d\u7684\u8fc7\u6ee4\u51fd\u6570\u5bf9\u7528\u6237\u8f93\u5165\u8fdb\u884c\u68c0\u67e5\u3002<\/li>\n<\/ol>\n
    function validateInput(input) {\n  \/\/ \u8fc7\u6ee4\u6389\u7279\u6b8a\u5b57\u7b26\n  const pattern = \/..\/g;\n  return !pattern.test(input);\n}\n\n\/\/ \u4f8b\u5b50\nconst userInput = \"..\/..\/etc\/passwd\";\nif (validateInput(userInput)) {\n  \/\/ \u5904\u7406\u7528\u6237\u8f93\u5165\n  \/\/ ...\n} else {\n  \/\/ \u8f93\u5165\u65e0\u6548\uff0c\u53ef\u80fd\u5b58\u5728\u76ee\u5f55\u904d\u5386\u653b\u51fb\n  \/\/ ...\n}<\/pre>\n
      \n
    1. \u6587\u4ef6\u8def\u5f84\u5904\u7406
      \u5728\u5904\u7406\u6587\u4ef6\u8def\u5f84\u65f6\uff0c\u6211\u4eec\u5e94\u4f7f\u7528\u7edd\u5bf9\u8def\u5f84\u800c\u4e0d\u662f\u76f8\u5bf9\u8def\u5f84\u3002\u7edd\u5bf9\u8def\u5f84\u786e\u5b9a\u4e86\u6587\u4ef6\u7684\u786e\u5207\u4f4d\u7f6e\uff0c\u4e0d\u4f1a\u56e0\u4e3a\u76f8\u5bf9\u8def\u5f84\u800c\u5bfc\u81f4\u8bef\u89e3\u8bfb\u3002<\/li>\n<\/ol>\n
      import java.nio.file.Path;\nimport java.nio.file.Paths;\n\npublic class FileProcessor {\n  public void processFile(String filename) {\n    \/\/ \u4f7f\u7528\u7edd\u5bf9\u8def\u5f84\n    Path filePath = Paths.get(\"\/var\/www\/html\", filename);\n    \/\/ ...\n  }\n}\n\n\/\/ \u4f8b\u5b50\nFileProcessor fileProcessor = new FileProcessor();\nfileProcessor.processFile(\"index.html\");<\/pre>\n
        \n
      1. \u6743\u9650\u9650\u5236
        \u4e3a\u4e86\u9650\u5236\u653b\u51fb\u8005\u901a\u8fc7\u76ee\u5f55\u904d\u5386\u653b\u51fb\u8bbf\u95ee\u975e\u6388\u6743\u76ee\u5f55\uff0c\u6211\u4eec\u9700\u8981\u5728\u670d\u52a1\u5668\u4e0a\u8bbe\u7f6e\u9002\u5f53\u7684\u6743\u9650\u3002\u786e\u4fddWeb\u670d\u52a1\u5668\u8fdb\u7a0b\u5177\u6709\u6700\u5c0f\u7684\u6743\u9650\uff0c\u53ea\u80fd\u8bbf\u95ee\u5fc5\u8981\u7684\u6587\u4ef6\u548c\u76ee\u5f55\u3002<\/li>\n<\/ol>\n
        \u4f8b\u5982\uff0c\u5bf9\u4e8eApache\u670d\u52a1\u5668\uff0c\u60a8\u53ef\u4ee5\u5728\u914d\u7f6e\u6587\u4ef6\uff08\u5982\u201chttpd.conf\u201d\uff09\u4e2d\u8bbe\u7f6e\u4ee5\u4e0b\u6743\u9650\u89c4\u5219\u3002<\/p>\n
        <Directory \/var\/www\/html>\n  Options None\n  AllowOverride None\n  Order deny,allow\n  Deny from all\n  Allow from 127.0.0.1\n<\/Directory><\/pre>\n
        \u4e0a\u8ff0\u914d\u7f6e\u5c06\u7981\u6b62\u5bf9\/var\/www\/html\u76ee\u5f55\u7684\u6240\u6709\u8bbf\u95ee\uff0c\u9664\u4e86\u672c\u5730\u56de\u73af\u5730\u5740\uff08127.0.0.1\uff09\u4e4b\u5916\u3002<\/p>\n
          \n
        1. \u6587\u4ef6\u767d\u540d\u5355
          \u4e3a\u4e86\u66f4\u8fdb\u4e00\u6b65\u51cf\u5c11\u76ee\u5f55\u904d\u5386\u653b\u51fb\u7684\u98ce\u9669\uff0c\u6211\u4eec\u53ef\u4ee5\u7ef4\u62a4\u4e00\u4e2a\u6587\u4ef6\u767d\u540d\u5355\uff0c\u4ec5\u5141\u8bb8\u8bbf\u95ee\u6307\u5b9a\u7684\u6587\u4ef6\u548c\u76ee\u5f55\u3002\u8fd9\u53ef\u4ee5\u5728\u5e94\u7528\u7a0b\u5e8f\u7684\u4ee3\u7801\u4e2d\u5b9e\u73b0\uff0c\u901a\u8fc7\u68c0\u67e5\u7528\u6237\u8bf7\u6c42\u7684\u6587\u4ef6\u8def\u5f84\u662f\u5426\u5728\u767d\u540d\u5355\u4e2d\u6765\u8fdb\u884c\u9650\u5236\u3002<\/li>\n<\/ol>\n
          def isFileAllowed(filePath):\n  allowedFiles = ['\/var\/www\/html\/index.html', '\/var\/www\/html\/style.css']\n  return filePath in allowedFiles\n\n# \u4f8b\u5b50\nuserFilePath = \"\/var\/www\/html\/..\/..\/..\/etc\/passwd\"\nif isFileAllowed(userFilePath):\n  # \u5904\u7406\u7528\u6237\u8bf7\u6c42\n  # ...\nelse:\n  # \u6587\u4ef6\u4e0d\u5728\u767d\u540d\u5355\u4e2d\n  # ...<\/pre>\n
          \u4ee5\u4e0a\u662f\u4e00\u4e9b\u57fa\u672c\u7684\u63aa\u65bd\uff0c\u53ef\u5e2e\u52a9\u4fdd\u62a4Web\u63a5\u53e3\u514d\u53d7\u76ee\u5f55\u904d\u5386\u653b\u51fb\u3002\u4f46\u8bf7\u8bb0\u4f4f\uff0c\u7f51\u7edc\u5b89\u5168\u662f\u4e00\u4e2a\u6301\u7eed\u4e0d\u65ad\u7684\u6597\u4e89\uff0c\u6211\u4eec\u8fd8\u5e94\u8be5\u5b9a\u671f\u66f4\u65b0\u8f6f\u4ef6\u3001\u4fee\u8865\u6f0f\u6d1e\uff0c\u5e76\u5b9a\u671f\u8fdb\u884c\u5b89\u5168\u5ba1\u8ba1\u548c\u6e17\u900f\u6d4b\u8bd5\uff0c\u4ee5\u4fdd\u969c\u7cfb\u7edf\u7684\u5b89\u5168\u6027\u3002<\/p>\n
          \u4ee5\u4e0a\u5c31\u662f\u672c\u6587\u7684\u5168\u90e8\u5185\u5bb9\u4e86\uff0c\u662f\u5426\u6709\u987a\u5229\u5e2e\u52a9\u4f60\u89e3\u51b3\u95ee\u9898\uff1f\u82e5\u662f\u80fd\u7ed9\u4f60\u5e26\u6765\u5b66\u4e60\u4e0a\u7684\u5e2e\u52a9\uff0c\u8bf7\u5927\u5bb6\u591a\u591a\u652f\u6301\u7c73\u4e91\uff01\u66f4\u591a\u5173\u4e8e\u6587\u7ae0\u7684\u76f8\u5173\u77e5\u8bc6\uff0c\u4e5f\u53ef\u5173\u6ce8\u7c73\u4e91\u516c\u4f17\u53f7\u3002<\/p>\n
          \n
          <\/dt>\n
          \n   Vue3+TS+Vite\u5f00\u53d1\u6280\u5de7\uff1a\u5982\u4f55\u4f7f\u7528Vite\u8fdb\u884c\u5feb\u901f\u6253\u5305\u548c\u70ed\u91cd\u8f7d\n <\/dd>\n<\/dl>\n","protected":false},"excerpt":{"rendered":"
          Linux\u670d\u52a1\u5668\u9632\u62a4\uff1a\u4fdd\u62a4Web\u63a5\u53e3\u514d\u53d7\u76ee\u5f55\u904d\u5386\u653b\u51fb\u3002 \u4ece\u73b0\u5728\u5f00\u59cb\uff0c\u6211\u4eec\u8981\u52aa\u529b\u5b66\u4e60\u5566\uff01\u4eca\u5929\u6211\u7ed9\u5927\u5bb6\u5e26\u6765\uff0c\u611f\u5174\u8da3\u7684\u670b\u53cb\u8bf7\u7ee7\u7eed\u770b\u4e0b\u53bb\u5427\uff01\u4e0b\u6587\u4e2d\u7684\u5185\u5bb9\u6211\u4eec\u4e3b\u8981\u4f1a\u6d89\u53ca\u5230\u7b49\u7b49\u77e5\u8bc6\u70b9\uff0c\u5982\u679c\u5728\u9605\u8bfb\u672c\u6587\u8fc7\u7a0b\u4e2d\u6709\u9047\u5230\u4e0d\u6e05\u695a\u7684\u5730\u65b9\uff0c\u6b22\u8fce\u7559\u8a00\u5440\uff01\u6211\u4eec\u4e00\u8d77\u8ba8\u8bba\uff0c\u4e00\u8d77\u5b66\u4e60\uff01 Linux\u670d\u52a1\u5668\u9632\u62a4\uff1a\u4fdd\u62a4Web\u63a5\u53e3\u514d\u53d7\u76ee\u5f55\u904d\u5386\u653b\u51fb \u76ee\u5f55\u904d\u5386\u653b\u51fb\u662f\u4e00\u79cd\u5e38\u89c1\u7684\u7f51\u7edc\u5b89\u5168\u5a01\u80c1\uff0c\u653b\u51fb\u8005\u8bd5\u56fe\u901a\u8fc7\u8bbf\u95ee\u7cfb\u7edf\u6587\u4ef6\u8def\u5f84\u4ee5\u53ca\u654f\u611f\u6587\u4ef6\uff0c\u6765\u83b7\u53d6\u672a\u7ecf\u6388\u6743\u7684\u8bbf\u95ee\u6743\u9650\u3002\u5728Web\u5e94\u7528\u7a0b\u5e8f\u4e2d\uff0c\u76ee\u5f55\u904d\u5386\u653b\u51fb\u901a\u5e38\u662f\u901a\u8fc7\u64cd\u4f5cURL\u8def\u5f84\u6765\u5b9e\u73b0\u7684\uff0c\u653b\u51fb\u8005\u8f93\u5165\u7279\u6b8a\u7684\u76ee\u5f55\u904d\u5386\u5b57\u7b26\uff08\u5982\u201c..\/\u201d\uff09\u6765\u5bfc\u822a\u5230\u5e94\u7528\u7a0b\u5e8f\u4e0a\u4e0b\u6587\u4e4b\u5916\u7684\u76ee\u5f55\u3002 \u4e3a\u4e86\u9632\u6b62Web\u63a5\u53e3\u906d\u53d7\u76ee\u5f55\u904d\u5386\u653b\u51fb\uff0c\u6211\u4eec\u53ef\u4ee5\u91c7\u53d6\u4ee5\u4e0b\u63aa\u65bd\u6765\u4fdd\u62a4\u670d\u52a1\u5668\u5b89\u5168\u3002 \u8f93\u5165\u9a8c\u8bc1\u5728Web\u5e94\u7528\u7a0b\u5e8f\u4e2d\uff0c\u8f93\u5165\u9a8c\u8bc1\u662f\u9632\u8303\u76ee\u5f55\u904d\u5386\u653b\u51fb\u7684\u91cd\u8981\u6b65\u9aa4\u3002\u5728\u63a5\u6536\u5230\u7528\u6237\u7684\u8f93\u5165\u540e\uff0c\u5e94\u8be5\u5bf9\u5176\u8fdb\u884c\u4e25\u683c\u9a8c\u8bc1\uff0c\u5e76\u8fc7\u6ee4\u6389\u7279\u6b8a\u5b57\u7b26\uff0c\u4f8b\u5982\u201c..\/\u201d\u3002\u53ef\u4ee5\u4f7f\u7528\u6b63\u5219\u8868\u8fbe\u5f0f\u6216\u7f16\u7a0b\u8bed\u8a00\u4e2d\u7684\u8fc7\u6ee4\u51fd\u6570\u5bf9\u7528\u6237\u8f93\u5165\u8fdb\u884c\u68c0\u67e5\u3002 function validateInput(input) { \/\/ \u8fc7\u6ee4\u6389\u7279\u6b8a\u5b57\u7b26 const pattern = \/..\/g; return !pattern.test(input); } \/\/ \u4f8b\u5b50 const userInput = “..\/..\/etc\/passwd”; if (validateInput(userInput)) { \/\/ \u5904\u7406\u7528\u6237\u8f93\u5165 \/\/ … } else { \/\/ \u8f93\u5165\u65e0\u6548\uff0c\u53ef\u80fd\u5b58\u5728\u76ee\u5f55\u904d\u5386\u653b\u51fb \/\/ … } \u6587\u4ef6\u8def\u5f84\u5904\u7406\u5728\u5904\u7406\u6587\u4ef6\u8def\u5f84\u65f6\uff0c\u6211\u4eec\u5e94\u4f7f\u7528\u7edd\u5bf9\u8def\u5f84\u800c\u4e0d\u662f\u76f8\u5bf9\u8def\u5f84\u3002\u7edd\u5bf9\u8def\u5f84\u786e\u5b9a\u4e86\u6587\u4ef6\u7684\u786e\u5207\u4f4d\u7f6e\uff0c\u4e0d\u4f1a\u56e0\u4e3a\u76f8\u5bf9\u8def\u5f84\u800c\u5bfc\u81f4\u8bef\u89e3\u8bfb\u3002 import java.nio.file.Path; import java.nio.file.Paths; public class FileProcessor { public void processFile(String filename) { \/\/ \u4f7f\u7528\u7edd\u5bf9\u8def\u5f84 […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[8],"tags":[],"class_list":["post-51105","post","type-post","status-publish","format-standard","hentry","category-os"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/51105","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/comments?post=51105"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/51105\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=51105"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=51105"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=51105"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}