{"id":17479,"date":"2024-11-18T15:50:30","date_gmt":"2024-11-18T07:50:30","guid":{"rendered":"https:\/\/fwq.ai\/blog\/17479\/"},"modified":"2024-11-18T15:50:30","modified_gmt":"2024-11-18T07:50:30","slug":"%e5%88%a9%e7%94%a8linux-acl%e8%bf%9b%e8%a1%8c%e7%bb%86%e5%8c%96%e6%9d%83%e9%99%90%e7%ae%a1%e7%90%86","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/17479\/","title":{"rendered":"\u5229\u7528Linux ACL\u8fdb\u884c\u7ec6\u5316\u6743\u9650\u7ba1\u7406"},"content":{"rendered":"

\"\u5229\u7528Linux<\/p>\n

\u5982\u4f55\u4f7f\u7528Linux ACL\u5b9e\u73b0\u7cbe\u7ec6\u7684\u6743\u9650\u63a7\u5236<\/p>\n

\u5728Linux\u7cfb\u7edf\u4e2d\uff0cACL\uff08Access Control List\uff0c\u8bbf\u95ee\u63a7\u5236\u5217\u8868\uff09\u662f\u4e00\u79cd\u7528\u4e8e\u5b9e\u73b0\u7cbe\u7ec6\u6743\u9650\u63a7\u5236\u7684\u673a\u5236\u3002\u76f8\u8f83\u4e8e\u4f20\u7edf\u7684\u6743\u9650\u63a7\u5236\u65b9\u5f0f\uff08\u57fa\u4e8e\u7528\u6237\u7ec4\u548c\u6743\u9650\u4f4d\uff09\uff0cACL\u53ef\u4ee5\u66f4\u7ec6\u81f4\u5730\u63a7\u5236\u6587\u4ef6\u6216\u76ee\u5f55\u7684\u8bbf\u95ee\u6743\u9650\uff0c\u5141\u8bb8\u7ba1\u7406\u5458\u9488\u5bf9\u7279\u5b9a\u7528\u6237\u6216\u7ec4\u8bbe\u7f6e\u7279\u5b9a\u7684\u6743\u9650\u3002\u672c\u6587\u5c06\u4ecb\u7ecd\u5982\u4f55\u5728Linux\u7cfb\u7edf\u4e2d\u4f7f\u7528ACL\u5b9e\u73b0\u7cbe\u7ec6\u7684\u6743\u9650\u63a7\u5236\uff0c\u5e76\u63d0\u4f9b\u5177\u4f53\u7684\u4ee3\u7801\u793a\u4f8b\u3002<\/p>\n

1. \u68c0\u67e5ACL\u652f\u6301<\/h2>\n

\u5728\u5f00\u59cb\u4f7f\u7528ACL\u4e4b\u524d\uff0c\u6211\u4eec\u9996\u5148\u9700\u8981\u786e\u8ba4\u7cfb\u7edf\u662f\u5426\u652f\u6301ACL\u3002\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u547d\u4ee4\u68c0\u67e5\uff1a<\/p>\n

$ mount | grep acl<\/pre>\n
  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n
\u5982\u679c\u8f93\u51fa\u4e2d\u5305\u542b”acl”\u5b57\u6837\uff0c\u8868\u793a\u7cfb\u7edf\u5df2\u7ecf\u652f\u6301ACL\u3002\u5982\u679c\u672a\u770b\u5230\u8f93\u51fa\uff0c\u5219\u9700\u8981\u5728\u6587\u4ef6\u7cfb\u7edf\u4e2d\u542f\u7528ACL\u529f\u80fd\u3002<\/p>\n
2. \u542f\u7528ACL\u529f\u80fd<\/h2>\n
\u8981\u5728\u6587\u4ef6\u7cfb\u7edf\u4e2d\u542f\u7528ACL\u529f\u80fd\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u6b65\u9aa4\u3002\u4ee5ext4\u6587\u4ef6\u7cfb\u7edf\u4e3a\u4f8b\uff1a<\/p>\n
\uff081\uff09\u901a\u8fc7\u8c03\u6574\/etc\/fstab\u6587\u4ef6\u5b9e\u73b0\u6c38\u4e45\u542f\u7528ACL<\/h3>\n
\u5728\/etc\/fstab\u6587\u4ef6\u4e2d\uff0c\u627e\u5230\u5bf9\u5e94\u7684\u5206\u533a\u884c\uff0c\u6dfb\u52a0”acl”\u9009\u9879\uff1a<\/p>\n
\/dev\/sda1 \/mnt\/data ext4 defaults,acl 0 0<\/pre>\n
  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n
\uff082\uff09\u91cd\u65b0\u6302\u8f7d\u6587\u4ef6\u7cfb\u7edf<\/h3>\n
$ mount -o remount \/mnt\/data<\/pre>\n
  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n
3. \u8bbe\u7f6eACL\u6743\u9650<\/h2>\n
\uff081\uff09\u57fa\u672c\u6982\u5ff5<\/h3>\n
ACL\u6743\u9650\u63a7\u5236\u5305\u62ec\u4e09\u79cd\u4e3b\u8981\u6743\u9650\u7c7b\u578b\uff1a<\/p>\n
    \n
  • \u62e5\u6709\u8005\u6743\u9650\uff08user\uff09<\/li>\n
  • \u6240\u5c5e\u7ec4\u6743\u9650\uff08group\uff09<\/li>\n
  • \u5176\u4ed6\u7528\u6237\u6743\u9650\uff08other\uff09<\/li>\n<\/ul>\n
    \uff082\uff09ACL\u547d\u4ee4<\/h3>\n
    \u8bbe\u7f6eACL\u6743\u9650\u7684\u5e38\u7528\u547d\u4ee4\u5305\u62ec\uff1a<\/p>\n
      \n
    • setfacl: \u8bbe\u7f6eACL\u6743\u9650<\/li>\n
    • getfacl: \u83b7\u53d6ACL\u6743\u9650<\/li>\n<\/ul>\n
      \uff083\uff09\u793a\u4f8b<\/h3>\n
      \u4ee5\u4e0b\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u793a\u4f8b\uff0c\u5047\u8bbe\u6211\u4eec\u8981\u5bf9\/mnt\/data\u76ee\u5f55\u4e0b\u7684\u6587\u4ef6file.txt\u8bbe\u7f6eACL\u6743\u9650\uff1a<\/p>\n
      $ touch \/mnt\/data\/file.txt\n$ setfacl -m u:testuser:rw- \/mnt\/data\/file.txt\n$ getfacl \/mnt\/data\/file.txt<\/pre>\n
        \u767b\u5f55\u540e\u590d\u5236   <\/p>\n
      \u5728\u8fd9\u4e2a\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u5411testuser\u7528\u6237\u8d4b\u4e88\u4e86\u8bfb\u5199\u6743\u9650\u3002<\/p>\n
      4. ACL\u6743\u9650\u63a9\u7801<\/h2>\n
      ACL\u6743\u9650\u63a9\u7801\uff08mask\uff09\u7528\u4e8e\u9650\u5236ACL\u6743\u9650\u7684\u6700\u5927\u503c\uff0c\u9632\u6b62\u5bf9ACL\u6743\u9650\u8bbe\u7f6e\u8fc7\u9ad8\u6743\u9650\u3002\u5f53\u67d0\u4e2a\u7528\u6237\u5bf9\u6587\u4ef6\u8bbe\u7f6e\u4e86\u8f83\u9ad8\u7684\u6743\u9650\uff0c\u6743\u9650\u63a9\u7801\u4f1a\u786e\u4fdd\u4e0d\u4f1a\u8d85\u51faACL\u6743\u9650\u8303\u56f4\u3002<\/p>\n
      \uff081\uff09\u8bbe\u7f6eACL\u6743\u9650\u63a9\u7801<\/h3>\n
      $ setfacl -m m::rw- \/mnt\/data\/file.txt<\/pre>\n
        \u767b\u5f55\u540e\u590d\u5236   <\/p>\n
      \uff082\uff09\u67e5\u770bACL\u6743\u9650\u63a9\u7801<\/h3>\n
      $ getfacl \/mnt\/data\/file.txt<\/pre>\n
        \u767b\u5f55\u540e\u590d\u5236   <\/p>\n
      5. \u7ee7\u627fACL\u6743\u9650<\/h2>\n
      \u5728Linux\u7cfb\u7edf\u4e2d\uff0c\u5b50\u76ee\u5f55\u548c\u6587\u4ef6\u53ef\u4ee5\u7ee7\u627f\u4e0a\u7ea7\u76ee\u5f55\u7684ACL\u6743\u9650\u3002<\/p>\n
      \uff081\uff09\u8bbe\u7f6e\u9ed8\u8ba4ACL\u6743\u9650<\/h3>\n
      $ setfacl -d -m u::rwx,g::r-x,o::r-x \/mnt\/data<\/pre>\n
        \u767b\u5f55\u540e\u590d\u5236   <\/p>\n
      \uff082\uff09\u67e5\u770b\u9ed8\u8ba4ACL\u6743\u9650<\/h3>\n
      $ getfacl \/mnt\/data<\/pre>\n
        \u767b\u5f55\u540e\u590d\u5236   <\/p>\n
      \u7ed3\u8bed<\/h2>\n
      \u901a\u8fc7\u4f7f\u7528Linux ACL\u5b9e\u73b0\u7cbe\u7ec6\u7684\u6743\u9650\u63a7\u5236\uff0c\u7ba1\u7406\u5458\u53ef\u4ee5\u5728\u6587\u4ef6\u6216\u76ee\u5f55\u7ea7\u522b\u5bf9\u7528\u6237\u7684\u8bbf\u95ee\u8fdb\u884c\u66f4\u52a0\u7ec6\u81f4\u7684\u63a7\u5236\u3002\u5728\u5b9e\u9645\u751f\u4ea7\u73af\u5883\u4e2d\uff0c\u5408\u7406\u5229\u7528ACL\u53ef\u4ee5\u6709\u6548\u63d0\u5347\u7cfb\u7edf\u5b89\u5168\u6027\u548c\u7ba1\u7406\u6548\u7387\u3002\u5e0c\u671b\u672c\u6587\u5bf9\u60a8\u7406\u89e3ACL\u6743\u9650\u63a7\u5236\u63d0\u4f9b\u4e86\u4e00\u4e9b\u5e2e\u52a9\uff0c\u6b22\u8fce\u7ee7\u7eed\u6df1\u5165\u5b66\u4e60\u548c\u5e94\u7528\u3002<\/p>\n
      \u53c2\u8003\u8d44\u6599<\/h2>\n
        \n
      • Linux manpage: acl<\/li>\n
      • Red Hat Documentation: Using Access Control Lists<\/li>\n<\/ul>\n
        \u4ee5\u4e0a\u662f\u5173\u4e8e\u5982\u4f55\u4f7f\u7528Linux ACL\u5b9e\u73b0\u7cbe\u7ec6\u7684\u6743\u9650\u63a7\u5236\u7684\u6587\u7ae0\u5185\u5bb9\uff0c\u5e0c\u671b\u5bf9\u60a8\u6709\u6240\u5e2e\u52a9\u3002<\/p>\n
        \u4ee5\u4e0a\u5c31\u662f\u5229\u7528Linux ACL\u8fdb\u884c\u7ec6\u5316\u6743\u9650\u7ba1\u7406\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8\u7c73\u4e91\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"
        \u5982\u4f55\u4f7f\u7528Linux ACL\u5b9e\u73b0\u7cbe\u7ec6\u7684\u6743\u9650\u63a7\u5236 \u5728Linux\u7cfb\u7edf\u4e2d\uff0cACL\uff08Access Control List\uff0c\u8bbf\u95ee\u63a7\u5236\u5217\u8868\uff09\u662f\u4e00\u79cd\u7528\u4e8e\u5b9e\u73b0\u7cbe\u7ec6\u6743\u9650\u63a7\u5236\u7684\u673a\u5236\u3002\u76f8\u8f83\u4e8e\u4f20\u7edf\u7684\u6743\u9650\u63a7\u5236\u65b9\u5f0f\uff08\u57fa\u4e8e\u7528\u6237\u7ec4\u548c\u6743\u9650\u4f4d\uff09\uff0cACL\u53ef\u4ee5\u66f4\u7ec6\u81f4\u5730\u63a7\u5236\u6587\u4ef6\u6216\u76ee\u5f55\u7684\u8bbf\u95ee\u6743\u9650\uff0c\u5141\u8bb8\u7ba1\u7406\u5458\u9488\u5bf9\u7279\u5b9a\u7528\u6237\u6216\u7ec4\u8bbe\u7f6e\u7279\u5b9a\u7684\u6743\u9650\u3002\u672c\u6587\u5c06\u4ecb\u7ecd\u5982\u4f55\u5728Linux\u7cfb\u7edf\u4e2d\u4f7f\u7528ACL\u5b9e\u73b0\u7cbe\u7ec6\u7684\u6743\u9650\u63a7\u5236\uff0c\u5e76\u63d0\u4f9b\u5177\u4f53\u7684\u4ee3\u7801\u793a\u4f8b\u3002 1. \u68c0\u67e5ACL\u652f\u6301 \u5728\u5f00\u59cb\u4f7f\u7528ACL\u4e4b\u524d\uff0c\u6211\u4eec\u9996\u5148\u9700\u8981\u786e\u8ba4\u7cfb\u7edf\u662f\u5426\u652f\u6301ACL\u3002\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u547d\u4ee4\u68c0\u67e5\uff1a $ mount | grep acl \u767b\u5f55\u540e\u590d\u5236 \u5982\u679c\u8f93\u51fa\u4e2d\u5305\u542b”acl”\u5b57\u6837\uff0c\u8868\u793a\u7cfb\u7edf\u5df2\u7ecf\u652f\u6301ACL\u3002\u5982\u679c\u672a\u770b\u5230\u8f93\u51fa\uff0c\u5219\u9700\u8981\u5728\u6587\u4ef6\u7cfb\u7edf\u4e2d\u542f\u7528ACL\u529f\u80fd\u3002 2. \u542f\u7528ACL\u529f\u80fd \u8981\u5728\u6587\u4ef6\u7cfb\u7edf\u4e2d\u542f\u7528ACL\u529f\u80fd\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u6b65\u9aa4\u3002\u4ee5ext4\u6587\u4ef6\u7cfb\u7edf\u4e3a\u4f8b\uff1a \uff081\uff09\u901a\u8fc7\u8c03\u6574\/etc\/fstab\u6587\u4ef6\u5b9e\u73b0\u6c38\u4e45\u542f\u7528ACL \u5728\/etc\/fstab\u6587\u4ef6\u4e2d\uff0c\u627e\u5230\u5bf9\u5e94\u7684\u5206\u533a\u884c\uff0c\u6dfb\u52a0”acl”\u9009\u9879\uff1a \/dev\/sda1 \/mnt\/data ext4 defaults,acl 0 0 \u767b\u5f55\u540e\u590d\u5236 \uff082\uff09\u91cd\u65b0\u6302\u8f7d\u6587\u4ef6\u7cfb\u7edf $ mount -o remount \/mnt\/data \u767b\u5f55\u540e\u590d\u5236 3. \u8bbe\u7f6eACL\u6743\u9650 \uff081\uff09\u57fa\u672c\u6982\u5ff5 ACL\u6743\u9650\u63a7\u5236\u5305\u62ec\u4e09\u79cd\u4e3b\u8981\u6743\u9650\u7c7b\u578b\uff1a \u62e5\u6709\u8005\u6743\u9650\uff08user\uff09 \u6240\u5c5e\u7ec4\u6743\u9650\uff08group\uff09 \u5176\u4ed6\u7528\u6237\u6743\u9650\uff08other\uff09 \uff082\uff09ACL\u547d\u4ee4 \u8bbe\u7f6eACL\u6743\u9650\u7684\u5e38\u7528\u547d\u4ee4\u5305\u62ec\uff1a setfacl: \u8bbe\u7f6eACL\u6743\u9650 getfacl: \u83b7\u53d6ACL\u6743\u9650 \uff083\uff09\u793a\u4f8b \u4ee5\u4e0b\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u793a\u4f8b\uff0c\u5047\u8bbe\u6211\u4eec\u8981\u5bf9\/mnt\/data\u76ee\u5f55\u4e0b\u7684\u6587\u4ef6file.txt\u8bbe\u7f6eACL\u6743\u9650\uff1a $ touch \/mnt\/data\/file.txt $ setfacl -m […]<\/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-17479","post","type-post","status-publish","format-standard","hentry","category-os"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/17479","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=17479"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/17479\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=17479"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=17479"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=17479"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}