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|
#!powershell
# This file is part of Ansible
#
# Copyright 2015, Phil Schwartz <schwartzmx@gmail.com>
# Copyright 2015, Trond Hindenes
# Copyright 2015, Hans-Joachim Kliemeck <git@kliemeck.de>
#
# Ansible is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# Ansible is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with Ansible. If not, see <http://www.gnu.org/licenses/>.
# WANT_JSON
# POWERSHELL_COMMON
# win_acl module (File/Resources Permission Additions/Removal)
#Functions
Function UserSearch
{
Param ([string]$accountName)
#Check if there's a realm specified
$searchDomain = $false
$searchDomainUPN = $false
$SearchAppPools = $false
if ($accountName.Split("\").count -gt 1)
{
if ($accountName.Split("\")[0] -eq $env:COMPUTERNAME)
{
}
elseif ($accountName.Split("\")[0] -eq "IIS APPPOOL")
{
$SearchAppPools = $true
$accountName = $accountName.split("\")[1]
}
else
{
$searchDomain = $true
$accountName = $accountName.split("\")[1]
}
}
Elseif ($accountName.contains("@"))
{
$searchDomain = $true
$searchDomainUPN = $true
}
Else
{
#Default to local user account
$accountName = $env:COMPUTERNAME + "\" + $accountName
}
if (($searchDomain -eq $false) -and ($SearchAppPools -eq $false))
{
# do not use Win32_UserAccount, because e.g. SYSTEM (BUILTIN\SYSTEM or COMPUUTERNAME\SYSTEM) will not be listed. on Win32_Account groups will be listed too
$localaccount = get-wmiobject -class "Win32_Account" -namespace "root\CIMV2" -filter "(LocalAccount = True)" | where {$_.Caption -eq $accountName}
if ($localaccount)
{
return $localaccount.SID
}
}
Elseif ($SearchAppPools -eq $true)
{
Import-Module WebAdministration
$testiispath = Test-path "IIS:"
if ($testiispath -eq $false)
{
return $null
}
else
{
$apppoolobj = Get-ItemProperty IIS:\AppPools\$accountName
return $apppoolobj.applicationPoolSid
}
}
{
#Search by samaccountname
$Searcher = [adsisearcher]""
If ($searchDomainUPN -eq $false) {
$Searcher.Filter = "sAMAccountName=$($accountName)"
}
Else {
$Searcher.Filter = "userPrincipalName=$($accountName)"
}
$result = $Searcher.FindOne()
if ($result)
{
$user = $result.GetDirectoryEntry()
# get binary SID from AD account
$binarySID = $user.ObjectSid.Value
# convert to string SID
return (New-Object System.Security.Principal.SecurityIdentifier($binarySID,0)).Value
}
}
}
$params = Parse-Args $args;
$result = New-Object PSObject;
Set-Attr $result "changed" $false;
$path = Get-Attr $params "path" -failifempty $true
$user = Get-Attr $params "user" -failifempty $true
$rights = Get-Attr $params "rights" -failifempty $true
$type = Get-Attr $params "type" -failifempty $true -validateSet "allow","deny" -resultobj $result
$state = Get-Attr $params "state" "present" -validateSet "present","absent" -resultobj $result
$inherit = Get-Attr $params "inherit" ""
$propagation = Get-Attr $params "propagation" "None" -validateSet "None","NoPropagateInherit","InheritOnly" -resultobj $result
If (-Not (Test-Path -Path $path)) {
Fail-Json $result "$path file or directory does not exist on the host"
}
# Test that the user/group is resolvable on the local machine
$sid = UserSearch -AccountName ($user)
if (!$sid)
{
Fail-Json $result "$user is not a valid user or group on the host machine or domain"
}
If (Test-Path -Path $path -PathType Leaf) {
$inherit = "None"
}
ElseIf ($inherit -eq "") {
$inherit = "ContainerInherit, ObjectInherit"
}
Try {
$colRights = [System.Security.AccessControl.FileSystemRights]$rights
$InheritanceFlag = [System.Security.AccessControl.InheritanceFlags]$inherit
$PropagationFlag = [System.Security.AccessControl.PropagationFlags]$propagation
If ($type -eq "allow") {
$objType =[System.Security.AccessControl.AccessControlType]::Allow
}
Else {
$objType =[System.Security.AccessControl.AccessControlType]::Deny
}
$objUser = New-Object System.Security.Principal.SecurityIdentifier($sid)
$objACE = New-Object System.Security.AccessControl.FileSystemAccessRule ($objUser, $colRights, $InheritanceFlag, $PropagationFlag, $objType)
$objACL = Get-ACL $path
# Check if the ACE exists already in the objects ACL list
$match = $false
ForEach($rule in $objACL.Access){
$ruleIdentity = $rule.IdentityReference.Translate([System.Security.Principal.SecurityIdentifier])
If (($rule.FileSystemRights -eq $objACE.FileSystemRights) -And ($rule.AccessControlType -eq $objACE.AccessControlType) -And ($ruleIdentity -eq $objACE.IdentityReference) -And ($rule.IsInherited -eq $objACE.IsInherited) -And ($rule.InheritanceFlags -eq $objACE.InheritanceFlags) -And ($rule.PropagationFlags -eq $objACE.PropagationFlags)) {
$match = $true
Break
}
}
If ($state -eq "present" -And $match -eq $false) {
Try {
$objACL.AddAccessRule($objACE)
Set-ACL $path $objACL
Set-Attr $result "changed" $true;
}
Catch {
Fail-Json $result "an exception occured when adding the specified rule"
}
}
ElseIf ($state -eq "absent" -And $match -eq $true) {
Try {
$objACL.RemoveAccessRule($objACE)
Set-ACL $path $objACL
Set-Attr $result "changed" $true;
}
Catch {
Fail-Json $result "an exception occured when removing the specified rule"
}
}
Else {
# A rule was attempting to be added but already exists
If ($match -eq $true) {
Exit-Json $result "the specified rule already exists"
}
# A rule didn't exist that was trying to be removed
Else {
Exit-Json $result "the specified rule does not exist"
}
}
}
Catch {
Fail-Json $result "an error occured when attempting to $state $rights permission(s) on $path for $user"
}
Exit-Json $result
|
