{"id":543,"date":"2016-03-22T20:24:42","date_gmt":"2016-03-22T12:24:42","guid":{"rendered":"http:\/\/cn.hostease.com\/xueyuan\/?p=543"},"modified":"2016-03-22T20:24:42","modified_gmt":"2016-03-22T12:24:42","slug":"linux%e4%b8%bb%e6%9c%ba%e7%9a%84%e5%85%b7%e4%bd%93%e6%9d%83%e9%99%90%e8%a7%84%e5%88%92-acl%e7%9a%84%e4%bd%bf%e7%94%a8","status":"publish","type":"post","link":"https:\/\/cn.hostease.com\/xueyuan\/jishu\/linux\/linux%e4%b8%bb%e6%9c%ba%e7%9a%84%e5%85%b7%e4%bd%93%e6%9d%83%e9%99%90%e8%a7%84%e5%88%92-acl%e7%9a%84%e4%bd%bf%e7%94%a8\/","title":{"rendered":"Linux\u4e3b\u673a\u7684\u5177\u4f53\u6743\u9650\u89c4\u5212-ACL\u7684\u4f7f\u7528"},"content":{"rendered":"

ACL\u662fAccess\u00a0Control\u00a0List\u00a0\u7684\u7f29\u5199,\u4e3b\u8981\u7684\u76ee\u7684\u662f\u63d0\u4f9b\u4f20\u7edf\u7684owner\u3001group\u3001other\u7684read\u3001write\u3001execute\u6743\u9650\u4e4b\u5916\u7684\u5177\u4f53\u6743\u9650\u8bbe\u7f6e.<\/p>\n

ACL\u53ef\u4ee5\u9488\u5bf9\u5355\u4e00\u7528\u6237\u3001\u5355\u4e00\u6587\u4ef6\u6216\u76ee\u5f55\u6765\u8fdb\u884cr\u3001w\u3001x\u7684\u6743\u9650\u8bbe\u7f6e,\u5bf9\u4e8e\u9700\u8981\u7279\u6b8a\u6743\u9650\u7684\u4f7f\u7528\u72b6\u51b5\u975e\u5e38\u6709\u5e2e\u52a9.<\/p>\n

\u90a3\u4e48ACL\u4e3b\u8981\u53ef\u4ee5\u9488\u5bf9\u90a3\u4e9b\u65b9\u9762\u6765\u63a7\u5236\u6743\u9650\u5462?\u5b83\u4e3b\u8981\u53ef\u4ee5\u9488\u5bf9\u51e0\u4e2a\u9879\u76ee:<\/p>\n

*\u00a0\u7528\u6237(user):\u53ef\u4ee5\u9488\u5bf9\u7528\u6237\u6765\u8bbe\u7f6e\u6743\u9650;<\/p>\n

*\u00a0\u7528\u6237\u7ec4(group):\u00a0\u9488\u5bf9\u7528\u6237\u7ec4\u6765\u8bbe\u7f6e\u5176\u6743\u9650;<\/p>\n

*\u00a0\u9ed8\u8ba4\u5c5e\u6027(mask):\u00a0\u8fd8\u53ef\u4ee5\u5728\u8be5\u76ee\u5f55\u4e0b\u5728\u65b0\u5efa\u65b0\u6587\u4ef6\/\u76ee\u5f55\u662f\u8bbe\u7f6e\u65b0\u6570\u636e\u7684\u9ed8\u8ba4\u6743\u9650.<\/p>\n

 <\/p>\n

<1>\u5982\u4f55\u542f\u52a8ACL<\/p>\n

\u7531\u4e8eACL\u662f\u4f20\u7edfUNIX-like\u64cd\u4f5c\u7cfb\u7edf\u6743\u9650\u7684\u989d\u5916\u652f\u6301\u9879\u76ee,\u56e0\u6b64\u8981\u4f7f\u7528ACL\u5fc5\u987b\u8981\u6709\u6587\u4ef6\u7cfb\u7edf\u7684\u652f\u6301\u624d\u884c.\u76ee\u524d\u7edd\u5927\u6570\u7684\u6587\u4ef6\u7cfb\u7edf\u90fd\u6709\u652f\u6301ACL\u7684\u529f\u80fd.<\/p>\n

\u90a3\u6211\u4eec\u5982\u4f55\u67e5\u770b\u4f60\u7684\u6587\u4ef6\u7cfb\u7edf\u662f\u5426\u652f\u6301ACL\u5462?\u6211\u4eec\u53ef\u4ee5\u8fd9\u6837\u770b:<\/p>\n

[root@sqj2015\u00a0~]#\u00a0mount\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\/\/\u76f4\u63a5\u67e5\u770b\u6302\u8f7d\u53c2\u6570\u7684\u529f\u80fd<\/p>\n

\/dev\/vda1\u00a0on\u00a0\/\u00a0type\u00a0ext4\u00a0(rw)<\/p>\n

…………<\/p>\n

##\u8fd9\u91cc\u6211\u4eec\u6ca1\u6709\u770b\u5230ACL<\/p>\n

 <\/p>\n

[root@sqj2015\u00a0~]#\u00a0dumpe2fs\u00a0-h\u00a0\/dev\/vda1\u00a0|\u00a0grep\u00a0‘mount\u00a0options’<\/p>\n

dumpe2fs\u00a01.41.12\u00a0(17-May-2010)<\/p>\n

Default\u00a0mount\u00a0options:\u00a0\u00a0\u00a0\u00a0user_xattr\u00a0acl<\/p>\n

##\u00a0\u7531mount\u5355\u7eaf\u53bb\u67e5\u8be2\u4e0d\u89c1\u5f97\u53ef\u4ee5\u770b\u5230\u5b9e\u9645\u7684\u9009\u9879,\u7531\u4e8e\u76ee\u524d\u65b0\u7684distribution\u7ecf\u5e38\u4f1a\u4e3b\u52a8\u52a0\u4eba\u67d0\u4e9b\u9ed8\u8ba4\u529f\u80fd.<\/p>\n

 <\/p>\n

\u82e5\u4f60\u7684\u7cfb\u7edf\u9ed8\u8ba4\u4e0d\u4f1a\u5e2e\u4f60\u52a0\u4e0aacl\u7684\u652f\u6301\u5462?\u90a3\u4e48\u4f60\u53ef\u4ee5\u8fd9\u6837\u64cd\u4f5c:<\/p>\n

[root@sqj2015\u00a0~]#\u00a0mount\u00a0-o\u00a0remount,acl\u00a0\/<\/p>\n

[root@sqj2015\u00a0~]#\u00a0mount<\/p>\n

\/dev\/vda1\u00a0on\u00a0\/\u00a0type\u00a0ext4\u00a0(rw,acl)<\/p>\n

##\u8fd9\u6837\u5c31\u52a0\u5165\u4e86!\u4f46\u662f\u5982\u679c\u4f60\u60f3\u8981\u6bcf\u6b21\u5f00\u673a\u90fd\u751f\u6548,\u5219\u9700\u8981\u8fd9\u6837:<\/p>\n

[root@sqj2015\u00a0~]#\u00a0vi\u00a0\/etc\/fstab<\/p>\n

\/dev\/vda1\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\/\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0ext4\u00a0\u00a0\u00a0\u00a0defaults,acl\u00a0\u00a0\u00a0\u00a01\u00a01<\/p>\n

 <\/p>\n

<2>ACL\u8bbe\u7f6e\u6280\u5de7<\/p>\n

\u5728\u6587\u4ef6\u7cfb\u7edf\u542f\u52a8ACL\u652f\u6301\u540e,\u63a5\u4e0b\u6765\u8be5\u5982\u4f55\u8bbe\u7f6e\u4e0e\u67e5\u770bACL\u5462?\u5f88\u7b80\u5355,\u5229\u7528\u4ee5\u4e0b2\u4e2a\u547d\u4ee4\u5c31\u53ef\u4ee5\u4e86:<\/p>\n

getfacl:\u67e5\u770b\u67d0\u4e2a\u6587\u4ef6\/\u76ee\u5f55\u7684ACL\u8bbe\u7f6e\u9879\u76ee;<\/p>\n

setfacl:\u8bbe\u7f6e\u67d0\u4e2a\u76ee\u5f55\/\u6587\u4ef6\u7684ACL\u89c4\u5b9a;<\/p>\n

 <\/p>\n

setfacl\u8bed\u6cd5<\/p>\n

setfacl\u00a0[\u53c2\u6570]\u00a0\u76ee\u6807\u6587\u4ef6\u540d<\/p>\n

\u53c2\u6570:<\/p>\n

-m\u00a0:\u00a0\u8bbe\u7f6e\u540e\u7eed\u7684acl\u53c2\u6570\u7ed9\u6587\u4ef6\u4f7f\u7528,\u4e0d\u53ef\u4e0e-x\u5408\u7528;<\/p>\n

-x\u00a0:\u00a0\u5220\u9664\u540e\u7eed\u7684acl\u53c2\u6570,\u4e0d\u53ef\u4e0e-m\u00a0\u5408\u7528;<\/p>\n

-b\u00a0:\u00a0\u5220\u9664\u6240\u6709acl\u8bbe\u7f6e\u53c2\u6570;<\/p>\n

-k\u00a0:\u00a0\u5220\u9664\u9ed8\u8ba4acl\u53c2\u6570;<\/p>\n

-R\u00a0:\u00a0\u9012\u5f52\u8bbe\u7f6eacl,\u4ea6\u5373\u5305\u62ec\u5b50\u76ee\u5f55\u90fd\u4f1a\u88ab\u8bbe\u7f6e\u8d77\u6765;<\/p>\n

-d\u00a0:\u00a0\u8bbe\u7f6e\u9ed8\u8ba4acl\u53c2\u6570,\u53ea\u5bf9\u76ee\u5f55\u6709\u6548,\u5728\u8be5\u76ee\u5f55\u65b0\u5efa\u7684\u6570\u636e\u4f1a\u5f15\u7528\u6b64\u9ed8\u8ba4\u503c.<\/p>\n

 <\/p>\n

\u63a5\u4e0b\u6765,\u5c31\u6765\u770b\u770bsetfacl\u7684\u8bbe\u7f6e\u65b9\u5f0f:<\/p>\n

**\u9488\u5bf9\u7279\u5b9a\u7528\u6237\u7684\u65b9\u5f0f:<\/p>\n

##\u8bbe\u7f6e\u89c4\u5b9a:\u00a0\u201cu:[\u7528\u6237\u8d26\u53f7\u5217\u8868]:[rwx]\u201d\u5982\u4e0b,\u8bbe\u7f6esqj\u6743\u9650\u4e3arw:<\/p>\n

[root@sqj2015\u00a0~]#\u00a0touch\u00a0acl_test<\/p>\n

[root@sqj2015\u00a0~]#\u00a0ll\u00a0acl_test<\/p>\n

-rw-r–r–.\u00a01\u00a0root\u00a0root\u00a00\u00a0Mar\u00a021\u00a013:44\u00a0acl_test<\/p>\n

[root@sqj2015\u00a0~]#\u00a0setfacl\u00a0-m\u00a0u:sqj:rw\u00a0acl_test<\/p>\n

[root@sqj2015\u00a0~]#\u00a0ll\u00a0acl_test<\/p>\n

-rw-rw-r–+\u00a01\u00a0root\u00a0root\u00a00\u00a0Mar\u00a021\u00a013:44\u00a0acl_test<\/p>\n

##\u662f\u5426\u770b\u5230\u4e86\u4e0d\u540c,\u5728\u6743\u9650\u90e8\u5206\u591a\u4e86\u4e2a+.<\/p>\n

 <\/p>\n

[root@sqj2015\u00a0~]#\u00a0setfacl\u00a0-m\u00a0u::rwx\u00a0acl_test<\/p>\n

[root@sqj2015\u00a0~]#\u00a0ll\u00a0acl_test<\/p>\n

-rwxrw-r–+\u00a01\u00a0root\u00a0root\u00a00\u00a0Mar\u00a021\u00a013:44\u00a0acl_test<\/p>\n

##\u82e5\u65e0\u7528\u6237\u5217\u8868,\u5219\u4ee3\u8868\u8bbe\u7f6e\u8be5\u6587\u4ef6\u6240\u6709\u8005,\u6240\u4ee5\u4e0a\u9762\u663e\u793aroot\u7684\u6743\u9650\u53d8\u6210\u4e86rwx\u4e86.<\/p>\n

 <\/p>\n

\u4f46\u6211\u4eec\u5177\u4f53\u600e\u4e48\u67e5\u770b\u8bbe\u7f6e\u7684ACL\u5462?\u5982\u4e0b:<\/p>\n

[root@sqj2015\u00a0~]#\u00a0getfacl\u00a0acl_test<\/p>\n

#\u00a0file:\u00a0acl_test<\/p>\n

#\u00a0owner:\u00a0root<\/p>\n

#\u00a0group:\u00a0root<\/p>\n

user::rwx<\/p>\n

user:sqj:rw-<\/p>\n

group::r–<\/p>\n

mask::rw-<\/p>\n

other::r–<\/p>\n

 <\/p>\n

**\u9488\u5bf9\u7279\u5b9a\u7528\u6237\u7ec4\u7684\u65b9\u5f0f:<\/p>\n

##\u8bbe\u7f6e\u89c4\u5b9a:\u00a0\u201cg:[\u7528\u6237\u7ec4\u5217\u8868]:[rwx]\u201d,\u4f8b\u5982,\u9488\u5bf9sqj\u7ec4\u6743\u9650rx:<\/p>\n

[root@sqj2015\u00a0~]#\u00a0setfacl\u00a0-m\u00a0g:sqj:rw\u00a0acl_test<\/p>\n

[root@sqj2015\u00a0~]#\u00a0getfacl\u00a0acl_test<\/p>\n

#\u00a0file:\u00a0acl_test<\/p>\n

#\u00a0owner:\u00a0root<\/p>\n

#\u00a0group:\u00a0root<\/p>\n

user::rwx<\/p>\n

user:sqj:rw-<\/p>\n

group::r–<\/p>\n

group:sqj:rw-<\/p>\n

mask::rw-<\/p>\n

other::r–<\/p>\n

 <\/p>\n

**\u9488\u5bf9\u6709\u6548\u6743\u9650mask\u7684\u8bbe\u7f6e\u65b9\u5f0f:<\/p>\n

##mask\u00a0\u5b83\u7684\u610f\u601d\u662f\u7528\u6237\u6216\u7ec4\u6240\u8bbe\u7f6e\u7684\u6743\u9650\u5fc5\u987b\u5b58\u5728\u4e0emask\u7684\u6743\u9650\u8bbe\u7f6e\u8303\u56f4\u5185\u624d\u80fd\u751f\u6548,\u6b64\u5373\u6709\u6548\u6743\u9650.<\/p>\n

##\u8bbe\u7f6e\u89c4\u5b9a:\u00a0\u201cm:[rwx]\u201d,\u4f8b\u5982\u9488\u5bf9\u521a\u624d\u7684\u6587\u4ef6\u89c4\u5b9a\u4e3a\u4ec5\u6709r\u6743\u9650:<\/p>\n

[root@sqj2015\u00a0~]#\u00a0setfacl\u00a0-m\u00a0m:r\u00a0acl_test<\/p>\n

[root@sqj2015\u00a0~]#\u00a0getfacl\u00a0acl_test<\/p>\n

#\u00a0file:\u00a0acl_test<\/p>\n

#\u00a0owner:\u00a0root<\/p>\n

#\u00a0group:\u00a0root<\/p>\n

user::rwx<\/p>\n

user:sqj:rw-\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0#effective:r–<\/p>\n

group::r–<\/p>\n

group:sqj:rw-\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0#effective:r–<\/p>\n

mask::r–<\/p>\n

other::r–<\/p>\n

##sqj\u7528\u6237\u3001sqj\u7ec4\u4e0emask\u7684\u96c6\u5408\u4ec5\u6709r\u5b58\u5728,\u56e0\u6b64sqj\u4ec5\u5177\u6709r\u7684\u6743\u9650\u800c\u5df2,\u5e76\u4e0d\u5b58\u5728w\u7684\u6743\u9650,\u8fd9\u5c31\u662fmask\u7684\u529f\u80fd.<\/p>\n

 <\/p>\n

**\u9488\u5bf9\u9ed8\u8ba4\u6743\u9650\u7684\u8bbe\u7f6e\u65b9\u5f0f:<\/p>\n

##\u8bbe\u7f6e\u89c4\u5b9a:\u201dd:[ug]:\u7528\u6237\u5217\u8868:[rwx]\u201d<\/p>\n

[root@sqj2015\u00a0~]#\u00a0mkdir\u00a0acl_test1<\/p>\n

[root@sqj2015\u00a0~]#\u00a0setfacl\u00a0-m\u00a0d:u:sqj:rw\u00a0acl_test1\/<\/p>\n

[root@sqj2015\u00a0~]#\u00a0getfacl\u00a0acl_test1<\/p>\n

#\u00a0file:\u00a0acl_test1<\/p>\n

#\u00a0owner:\u00a0root<\/p>\n

#\u00a0group:\u00a0root<\/p>\n

user::rwx<\/p>\n

group::r-x<\/p>\n

other::r-x<\/p>\n

default:user::rwx<\/p>\n

default:user:sqj:rw-<\/p>\n

default:group::r-x<\/p>\n

default:mask::rwx<\/p>\n

default:other::r-x<\/p>\n

 <\/p>\n

[root@sqj2015\u00a0~]#\u00a0cd\u00a0acl_test1<\/p>\n

[root@sqj2015\u00a0acl_test1]#\u00a0touch\u00a0test<\/p>\n

[root@sqj2015\u00a0acl_test1]#\u00a0ll\u00a0test<\/p>\n

-rw-rw-r–+\u00a01\u00a0root\u00a0root\u00a00\u00a0Mar\u00a021\u00a014:16\u00a0test<\/p>\n

[root@sqj2015\u00a0acl_test1]#\u00a0getfacl\u00a0test<\/p>\n

#\u00a0file:\u00a0test<\/p>\n

#\u00a0owner:\u00a0root<\/p>\n

#\u00a0group:\u00a0root<\/p>\n

user::rw-<\/p>\n

user:sqj:rw-<\/p>\n

group::r-x\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0#effective:r–<\/p>\n

mask::rw-<\/p>\n

other::r–<\/p>\n

##\u901a\u8fc7\u8fd9\u4e2a\u201d\u9488\u5bf9\u76ee\u5f55\u6765\u8bbe\u7f6e\u9ed8\u8ba4ACL\u6743\u9650\u201d\u7684\u9009\u9879,\u6211\u4eec\u53ef\u4ee5\u8ba9\u8fd9\u4e9b\u5c5e\u6027\u7ee7\u627f\u5230\u5b50\u76ee\u5f55\u4e0b\u9762.<\/p>\n","protected":false},"excerpt":{"rendered":"

ACL\u662fAccess\u00a0Control\u00a0List\u00a0\u7684\u7f29\u5199,\u4e3b\u8981\u7684\u76ee\u7684\u662f\u63d0\u4f9b\u4f20\u7edf\u7684owner\u3001group\u3001othe … \u9605\u8bfb\u66f4\u591a<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[49],"tags":[205,38,204],"class_list":["post-543","post","type-post","status-publish","format-standard","hentry","category-linux","tag-getfacl","tag-linux","tag-setfacl"],"aioseo_notices":[],"jetpack_featured_media_url":"","jetpack-related-posts":[],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/cn.hostease.com\/xueyuan\/wp-json\/wp\/v2\/posts\/543","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/cn.hostease.com\/xueyuan\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/cn.hostease.com\/xueyuan\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/cn.hostease.com\/xueyuan\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/cn.hostease.com\/xueyuan\/wp-json\/wp\/v2\/comments?post=543"}],"version-history":[{"count":1,"href":"https:\/\/cn.hostease.com\/xueyuan\/wp-json\/wp\/v2\/posts\/543\/revisions"}],"predecessor-version":[{"id":544,"href":"https:\/\/cn.hostease.com\/xueyuan\/wp-json\/wp\/v2\/posts\/543\/revisions\/544"}],"wp:attachment":[{"href":"https:\/\/cn.hostease.com\/xueyuan\/wp-json\/wp\/v2\/media?parent=543"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/cn.hostease.com\/xueyuan\/wp-json\/wp\/v2\/categories?post=543"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/cn.hostease.com\/xueyuan\/wp-json\/wp\/v2\/tags?post=543"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}