A bit of error handling in ModsProtect

pull/275/head
KnifMelti 2023-02-07 20:06:54 +01:00
parent 2471438c3b
commit c505773f8c
3 changed files with 66 additions and 55 deletions

View File

@ -384,12 +384,15 @@ function Install-WingetAutoUpdate {
Write-host "`nChecking Mods Directory:" -ForegroundColor Yellow
. "$WingetUpdatePath\functions\Invoke-ModsProtect.ps1"
$Protected = Invoke-ModsProtect "$WingetUpdatePath\mods"
if ($Protected) {
if ($Protected -eq $True) {
Write-Host "The mods directory is now secured!`n" -ForegroundColor Green
}
elseif (!$Protected) {
elseif ($Protected -eq $False) {
Write-Host "The mods directory was already secured!`n" -ForegroundColor Green
}
else {
Write-Host "Error: The mods directory couldn't be verified as secured!`n" -ForegroundColor Red
}
#Create Shortcuts
if ($StartMenuShortcut) {

View File

@ -3,58 +3,63 @@
#Check if Local Users have write rights in Mods directory or not (and take action if necessary):
function Invoke-ModsProtect ($ModsPath) {
$directory = Get-Item -Path $ModsPath
$acl = Get-Acl -Path $directory.FullName
#Local Users - S-1-5-32-545
$userSID = New-Object System.Security.Principal.SecurityIdentifier("S-1-5-32-545")
#Translate SID to Locale Name
$ntAccount = $userSID.Translate([System.Security.Principal.NTAccount])
$userName = $ntAccount.Value
$userRights = [System.Security.AccessControl.FileSystemRights]"Write"
$hasWriteAccess = $False
foreach ($access in $acl.Access) {
if ($access.IdentityReference.Value -eq $userName -and $access.FileSystemRights -eq $userRights) {
$hasWriteAccess = $True
break
}
}
if ($hasWriteAccess) {
#Disable inheritance
$acl.SetAccessRuleProtection($True, $True)
# Remove any existing rules
$acl.Access | ForEach-Object { $acl.RemoveAccessRule($_) }
#SYSTEM Full - S-1-5-18
$userSID = New-Object System.Security.Principal.SecurityIdentifier("S-1-5-18")
$rule = New-Object System.Security.AccessControl.FileSystemAccessRule($userSID,"FullControl","ContainerInherit,ObjectInherit","None","Allow")
$acl.SetAccessRule($rule)
# Save the updated ACL
Set-Acl -Path $directory.FullName -AclObject $acl
#Administrators Full - S-1-5-32-544
$acl = Get-Acl -Path $directory.FullName
$userSID = New-Object System.Security.Principal.SecurityIdentifier("S-1-5-32-544")
$rule = New-Object System.Security.AccessControl.FileSystemAccessRule($userSID,"FullControl","ContainerInherit,ObjectInherit","None","Allow")
$acl.SetAccessRule($rule)
Set-Acl -Path $directory.FullName -AclObject $acl
#Local Users ReadAndExecute - S-1-5-32-545 S-1-5-11
try {
$directory = Get-Item -Path $ModsPath -ErrorAction SilentlyContinue
$acl = Get-Acl -Path $directory.FullName
#Local Users - S-1-5-32-545
$userSID = New-Object System.Security.Principal.SecurityIdentifier("S-1-5-32-545")
$rule = New-Object System.Security.AccessControl.FileSystemAccessRule($userSID, "ReadAndExecute","ContainerInherit,ObjectInherit","None","Allow")
$acl.SetAccessRule($rule)
Set-Acl -Path $directory.FullName -AclObject $acl
#Authenticated Users ReadAndExecute - S-1-5-11
$acl = Get-Acl -Path $directory.FullName
$userSID = New-Object System.Security.Principal.SecurityIdentifier("S-1-5-11")
$rule = New-Object System.Security.AccessControl.FileSystemAccessRule($userSID, "ReadAndExecute","ContainerInherit,ObjectInherit","None","Allow")
$acl.SetAccessRule($rule)
Set-Acl -Path $directory.FullName -AclObject $acl
return $True
#Translate SID to Locale Name
$ntAccount = $userSID.Translate([System.Security.Principal.NTAccount])
$userName = $ntAccount.Value
$userRights = [System.Security.AccessControl.FileSystemRights]"Write"
$hasWriteAccess = $False
foreach ($access in $acl.Access) {
if ($access.IdentityReference.Value -eq $userName -and $access.FileSystemRights -eq $userRights) {
$hasWriteAccess = $True
break
}
}
if ($hasWriteAccess) {
#Disable inheritance
$acl.SetAccessRuleProtection($True, $True)
# Remove any existing rules
$acl.Access | ForEach-Object { $acl.RemoveAccessRule($_) }
#SYSTEM Full - S-1-5-18
$userSID = New-Object System.Security.Principal.SecurityIdentifier("S-1-5-18")
$rule = New-Object System.Security.AccessControl.FileSystemAccessRule($userSID,"FullControl","ContainerInherit,ObjectInherit","None","Allow")
$acl.SetAccessRule($rule)
# Save the updated ACL
Set-Acl -Path $directory.FullName -AclObject $acl
#Administrators Full - S-1-5-32-544
$acl = Get-Acl -Path $directory.FullName
$userSID = New-Object System.Security.Principal.SecurityIdentifier("S-1-5-32-544")
$rule = New-Object System.Security.AccessControl.FileSystemAccessRule($userSID,"FullControl","ContainerInherit,ObjectInherit","None","Allow")
$acl.SetAccessRule($rule)
Set-Acl -Path $directory.FullName -AclObject $acl
#Local Users ReadAndExecute - S-1-5-32-545 S-1-5-11
$acl = Get-Acl -Path $directory.FullName
$userSID = New-Object System.Security.Principal.SecurityIdentifier("S-1-5-32-545")
$rule = New-Object System.Security.AccessControl.FileSystemAccessRule($userSID, "ReadAndExecute","ContainerInherit,ObjectInherit","None","Allow")
$acl.SetAccessRule($rule)
Set-Acl -Path $directory.FullName -AclObject $acl
#Authenticated Users ReadAndExecute - S-1-5-11
$acl = Get-Acl -Path $directory.FullName
$userSID = New-Object System.Security.Principal.SecurityIdentifier("S-1-5-11")
$rule = New-Object System.Security.AccessControl.FileSystemAccessRule($userSID, "ReadAndExecute","ContainerInherit,ObjectInherit","None","Allow")
$acl.SetAccessRule($rule)
Set-Acl -Path $directory.FullName -AclObject $acl
return $True
}
return $False
}
catch {
return "Error"
}
return $False
}

View File

@ -74,12 +74,15 @@ function Invoke-PostUpdateActions {
#Security check
Write-Log "-> Checking Mods Directory:" "yellow"
$Protected = Invoke-ModsProtect "$($WAUConfig.InstallLocation)\mods"
if ($Protected) {
if ($Protected -eq $True) {
Write-Log "-> The mods directory is now secured!" "green"
}
elseif (!$Protected) {
elseif ($Protected -eq $False) {
Write-Log "-> The mods directory was already secured!" "green"
}
else {
Write-Log "-> Error: The mods directory couldn't be verified as secured!" "red"
}
#Convert about.xml if exists (previous WAU versions) to reg
$WAUAboutPath = "$WorkingDir\config\about.xml"