Added powershell SID utils for shared common code (ansible#27091)

* Added powershell SID utils for shared common code

* rebased from upstream and fixed up module util after change

lib/ansible/module_utils/powershell/Ansible.ModuleUtils.SID.psm1

@@ -0,0 +1,85 @@
+# Copyright (c) 2017 Ansible Project
+# GNU General Public License v3.0+ (see COPYING or https://www.gnu.org/licenses/gpl-3.0.txt)
+
+Function Convert-FromSID($sid) {
+    # Converts a SID to a Down-Level Logon name in the form of DOMAIN\UserName
+    # If the SID is for a local user or group then DOMAIN would be the server
+    # name.
+
+    $account_object = New-Object System.Security.Principal.SecurityIdentifier($sid)
+    try {
+        $nt_account = $account_object.Translate([System.Security.Principal.NTAccount])
+    } catch {
+        Fail-Json -obj @{} -message "failed to convert sid '$sid' to a logon name: $($_.Exception.Message)"
+    }
+
+    return $nt_account.Value
+}
+
+Function Convert-ToSID($account_name) {
+    # Converts an account name to a SID, it can take in the following forms
+    # UPN:
+    #   principal@domain (Domain users only)
+    # Down-Level Login Name
+    #   DOMAIN\principal (Domain)
+    #   SERVERNAME\principal (Local)
+    #   .\principal (Local)
+    #   NT AUTHORITY\SYSTEM (Local Service Accounts)
+    # Login Name
+    #   principal (Local/Local Service Accounts)
+
+    if ($account_name -like "*\*") {
+        $account_name_split = $account_name -split "\\"
+        if ($account_name_split[0] -eq ".") {
+            $domain = $env:COMPUTERNAME
+        } else {
+            $domain = $account_name_split[0]
+        }
+        $username = $account_name_split[1]
+    } elseif ($account_name -like "*@*") {
+        $account_name_split = $account_name -split "@"
+        $domain = $account_name_split[1]
+        $username = $account_name_split[0]
+    } else {
+        $domain = $null
+        $username = $account_name
+    }
+
+    if ($domain) {
+        # searching for a local group with the servername prefixed will fail,
+        # need to check for this situation and only use NTAccount(String)
+        if ($domain -eq $env:COMPUTERNAME) {
+            $adsi = [ADSI]("WinNT://$env:COMPUTERNAME,computer")
+            $group = $adsi.psbase.children | Where-Object { $_.schemaClassName -eq "group" -and $_.Name -eq $username }
+        } else {
+            $group = $null
+        }
+        if ($group) {
+            $account = New-Object System.Security.Principal.NTAccount($username)
+        } else {
+            $account = New-Object System.Security.Principal.NTAccount($domain, $username)
+        }
+    } else {
+        # when in a domain NTAccount(String) will favour domain lookups check
+        # if username is a local user and explictly search on the localhost for
+        # that account
+        $adsi = [ADSI]("WinNT://$env:COMPUTERNAME,computer")
+        $user = $adsi.psbase.children | Where-Object { $_.schemaClassName -eq "user" -and $_.Name -eq $username }
+        if ($user) {
+            $account = New-Object System.Security.Principal.NTAccount($env:COMPUTERNAME, $username)
+        } else {
+            $account = New-Object System.Security.Principal.NTAccount($username)
+        }
+    }
+
+    try {
+        $account_sid = $account.Translate([System.Security.Principal.SecurityIdentifier])
+    } catch {
+        Fail-Json @{} "account_name $account_name is not a valid account, cannot get SID: $($_.Exception.Message)"
+    }
+
+    return $account_sid.Value
+}
+
+# this line must stay at the bottom to ensure all defined module parts are exported
+Export-ModuleMember -Alias * -Function * -Cmdlet *

test/integration/targets/win_module_utils/library/sid_utils_test.ps1

@@ -0,0 +1,66 @@
+#!powershell
+
+#Requires -Module Ansible.ModuleUtils.Legacy
+#Requires -Module Ansible.ModuleUtils.SID
+
+Function Assert-Equals($actual, $expected) {
+    if ($actual -ne $expected) {
+        Fail-Json @{} "actual != expected`nActual: $actual`nExpected: $expected"
+    }
+}
+
+Function Get-ComputerSID() {
+    # this is sort off cheating but I can't see any better way of getting this SID
+    $admin_sid = Convert-ToSID -account_name "$env:COMPUTERNAME\Administrator"
+
+    return $admin_sid.Substring(0, $admin_sid.Length - 4)
+}
+
+$local_sid = Get-ComputerSID
+
+### Set this to the NETBIOS name of the domain you wish to test, not set for shippable ###
+$test_domain = $null
+
+$tests = @(
+    # Local Users
+    @{ sid = "S-1-1-0"; full_name = "Everyone"; names = @("Everyone") },
+    @{ sid = "S-1-5-18"; full_name = "NT AUTHORITY\SYSTEM"; names = @("NT AUTHORITY\SYSTEM", "SYSTEM") },
+    @{ sid = "S-1-5-20"; full_name = "NT AUTHORITY\NETWORK SERVICE"; names = @("NT AUTHORITY\NETWORK SERVICE", "NETWORK SERVICE") },
+    @{ sid = "$local_sid-500"; full_name = "$env:COMPUTERNAME\Administrator"; names = @("$env:COMPUTERNAME\Administrator", "Administrator", ".\Administrator") },
+
+    # Local Groups
+    @{ sid = "S-1-5-32-544"; full_name = "BUILTIN\Administrators"; names = @("BUILTIN\Administrators", "Administrators", ".\Administrators") }
+)
+
+# Add domain tests if the domain name has been set
+if ($test_domain -ne $null) {
+    Import-Module ActiveDirectory
+    $domain_info = Get-ADDomain -Identity $test_domain
+    $domain_sid = $domain_info.DomainSID
+    $domain_netbios = $domain_info.NetBIOSName
+    $domain_upn = $domain_info.Forest
+
+    $tests += @{
+        sid = "$domain_sid-512"
+        full_name = "$domain_netbios\Domain Admins"
+        names = @("$domain_netbios\Domain Admins", "Domain Admins@$domain_upn", "Domain Admins")
+    }
+
+    $tests += @{
+        sid = "$domain_sid-500"
+        full_name = "$domain_netbios\Administrator"
+        names = @("$domain_netbios\Administrator", "Administrator@$domain_upn")
+    }
+}
+
+foreach ($test in $tests) {
+    $actual_account_name = Convert-FromSID -sid $test.sid
+    Assert-Equals -actual $actual_account_name -expected $test.full_name
+
+    foreach ($test_name in $test.names) {
+        $actual_sid = Convert-ToSID -account_name $test_name
+        Assert-Equals -actual $actual_sid -expected $test.sid
+    }
+}
+
+Exit-Json @{ data = "success" }

test/integration/targets/win_module_utils/tasks/main.yml

@@ -39,3 +39,11 @@
 - assert:
     that:
     - camel_conversion.data == 'success'
+
+- name: call module with SID tests
+  sid_utils_test:
+  register: sid_test
+
+- assert:
+    that:
+    - sid_test.data == 'success'