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#############################################################################
# Script: changePermissions.ps1
# Author: Internet & Luis Goncalves & Rui Duarte & Manuel Kuss
# Date: 13/09/2017
# Keywords:
# Comments: Fixed Version for Powershell v3
# Pre-Requisites: Full Control over destination folder.
#
# DISCLAIMER
# ==========
# THIS CODE IS MADE AVAILABLE AS IS, WITHOUT WARRANTY OF ANY KIND. THE ENTIRE
# RISK OF THE USE OR THE RESULTS FROM THE USE OF THIS CODE REMAINS WITH THE USER.
#############################################################################
#############################################################################
#
# Where is the root of the home drives?
$homeDrivesDir="F:\DATA"
# Report only? ($false = fix problems)
$reportMode = $false
# Print all valid directories?
$verbose = $true
# What domain are your users in?
$domainName = "DOMAIN.LOCAL"
#
# ACL Options:
# Grant the user full control (FullControl, Modify, ...)
$accessLevel = "Modify"
# Should permissions be inherited from above? (ContainerInherit, ObjectInherit or None)
$inheritanceFlags = "ContainerInherit, ObjectInherit"
# Should permissions propagate to below?
$propagationFlags = "None"
# Is this an Allow/Deny entry?
$accessControlType = "Allow"
#######################################################################
# Save the current working directory before we change it (purely for convenience)
pushd .
# Change to the location of the home drives
set-location $homeDrivesDir
# Warn the user if we will be fixing or just reporting on problems
write-host ""
if ($reportMode) {
Write-Host "Report mode is on. Not fixing problems"
} else {
Write-Host "Report mode is off. Will fix problems"
}
write-host ""
# Initialise a few counter variables. Only useful for multiple executions from the same session
$goodPermissions = $unfixablePermissions = $fixedPermissions = $badPermissions = 0
$failedFolders = @()
# For every folder in the $homeDrivesDir folder
foreach($homeFolder in (Get-ChildItem $homeDrivesDir | Where {$_.psIsContainer -eq $true})) {
# dump the current ACL in a variable
$acl= (Get-Item $homeFolder).GetAccessControl("Access")
# create a permission mask in the form of DOMAIN\Username where Username=foldername
# (adjust as necessary if your home folders are not exactly your usernames)
$compareString = "*" + $domainName + "\" + $homeFolder.Name + " Allow FullControl*"
# if the permission mask is in the ACL
if ($Acl.AccessToString -like $compareString) {
# everything's good, increment the counter and move on.
if ($verbose) {Write-Host "Permissions are valid for" $homeFolder.Name -backgroundcolor green -foregroundcolor white}
$goodPermissions += 1
} else {
# Permissions are invalid, either fix or report
# increment the number of permissions needing repair
$badPermissions += 1
# if we're in report mode
if ($reportMode -eq $true) {
# reportmode is on, don't do anything
Write-Host "Permissions not valid for" $homeFolder.Name -backgroundcolor red -foregroundcolor white
} else {
# reportmode is off, fix the permissions
Write-Host "Setting permissions for" $homeFolder.Name -foregroundcolor white -backgroundcolor red
# Add the user in format DOMAIN\Username
$username = $domainName + "\" + $homeFolder.Name
try {
# Create the Access Rule
$accessRule = New-Object System.Security.AccessControl.FileSystemAccessRule($username,$accessLevel,$inheritanceFlags,$propagationFlags,$accessControlType)
# Attempt to apply the access rule to the ACL
$Acl.SetAccessRule($accessRule)
Set-Acl -Path $homeFolder -AclObject $Acl
# if it hasn't errored out by now, increment the counter
$fixedPermissions += 1
} catch {
# It failed!
# Increment the fail count
$unfixablePermissions += 1
# and add the folder to the list of failed folders
$failedFolders += $homeFolder
}
} #/if
} #/if
} #/foreach
# Print out a summary
Write-Host ""
Write-Host $goodPermissions "valid permissions"
Write-Host $badPermissions "permissions needing repair"
if ($reportMode -eq $false) {Write-Host $fixedPermissions "permissions fixed"}
if ($unfixablePermissions -gt 0) {
Write-Host $unfixablePermissions "ACLs could not be repaired."
foreach ($folder in $failedFolders) {Write-Host " -" $folder}
}
# Cleanup
popd