使用Powershell递归设置文件夹权限？ | 使用Powershell递归设置文件夹权限

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问题描述

我有一个目录，要递归浏览并设置所有文件夹的权限。因此，操作顺序应为：

从文件夹中删除所有ACL

将ACL添加到文件夹

设置ACL

我尝试了以下代码，但出现错误

foreach ($folder in Get-ChildItem -Path c:\perms -Recurse -Directory) {
    $AccessRule = New-Object System.Security.Accesscontrol.FileSystemAccessRule ("user", "FullControl", "ContainerInherit,ObjectInherit", "InheritOnly", "Allow")
    $acl = Get-Acl $folder
    $acl.SetAcccessRule($AccessRule)
    Set-Acl -Path $folder.FullName -AclObject $acl
}

I got rid of the error message, and it added the ACL, but I want to basically remove all ACLs from the folder and add new ones.

I updated my script to look like this:

$acl = Get-Acl -Path "c:\perms"
$acl.SetAccessRuleProtection($true,$false)
$acl.Access | ForEach-Object { $acl.RemoveAccessRule($_) | Out-Null }
$ace = New-Object System.Security.Accesscontrol.FileSystemAccessRule ("user", "FullControl", "ContainerInherit,ObjectInherit", "InheritOnly", "Allow")
$acl.AddAccessRule($ace)
Set-Acl -Path "c:\perms" -AclObject $acl

If I want to add multiple $ace, is it just a matter of declaring $ace2, $ace3 and then calling $acl.AddAccessRule($ace2), $acl.AddAccessRule($ace3).

解决方案

Use SetAccessRuleProtection() to disable inheritance and remove inherited ACEs:

$acl.SetAccessRuleProtection($true, $false)

Use RemoveAccessRule() to remove existing (non-inherited) ACEs:

$acl.Access | ForEach-Object { $acl.RemoveAccessRule($_) | Out-Null }

Use AddAccessRule() to add new ACEs:

$ace = New-Object Security.AccessControl.FileSystemAccessRule "user", ...
$acl.AddAccessRule($ace)
...

Do this only for the topmost folder. Leave inheritance enabled everywhere below, so your changes are propagated automatically.

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