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Refactor/fix win_group_membership to use SIDs for internal comparisons (#40725)

* refactor win_group_membership to use SIDs for comparisons instead of name parsing

* carry over previous doc cleanup changes

* remove trailing whitespace from docs
This commit is contained in:
Andrew Saraceni 2018-06-26 20:54:27 -04:00 committed by Jordan Borean
parent cc97e89620
commit bcb49f2575
4 changed files with 74 additions and 165 deletions

View file

@ -1,107 +1,36 @@
#!powershell
# (c) 2017, Andrew Saraceni <andrew.saraceni@gmail.com>
#
# This file is part of Ansible
#
# 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/>.
# Copyright: (c) 2017, Andrew Saraceni <andrew.saraceni@gmail.com>
# GNU General Public License v3.0+ (see COPYING or https://www.gnu.org/licenses/gpl-3.0.txt)
# WANT_JSON
# POWERSHELL_COMMON
#Requires -Module Ansible.ModuleUtils.Legacy
#Requires -Module Ansible.ModuleUtils.SID
$ErrorActionPreference = "Stop"
function Test-GroupMember {
<#
.SYNOPSIS
Parse desired member into domain and username.
Return SID and consistent account name (DOMAIN\Username) format of desired member.
Also, ensure member can be resolved/exists on the target system by checking its SID.
.NOTES
Returns a hashtable of the same type as returned from Get-GroupMember.
Accepts username (users, groups) and domains in the following formats:
- username
- .\username
- SERVERNAME\username
- NT AUTHORITY\username
- DOMAIN\username
- username@DOMAIN
Accepts username (users, groups) and domains in the formats accepted by Convert-ToSID.
#>
param(
[String]$GroupMember
)
$parsed_member = @{
domain = $null
username = $null
combined = $null
sid = $null
account_name = $null
}
# Split domain and account name into separate values
# '\' or '@' needs additional parsing, otherwise assume local computer
$sid = Convert-ToSID -account_name $GroupMember
$account_name = Convert-FromSID -sid $sid
if ($GroupMember -match "\\") {
# DOMAIN\username
$split_member = $GroupMember.Split("\")
if ($split_member[0] -in @($env:COMPUTERNAME, ".")) {
# Local
$parsed_member.domain = $env:COMPUTERNAME
}
else {
# Domain or service (i.e. NT AUTHORITY)
$parsed_member.domain = $split_member[0]
}
$parsed_member.username = $split_member[1]
}
elseif ($GroupMember -match "@") {
# username@DOMAIN
$parsed_member.domain = $GroupMember.Split("@")[1]
$parsed_member.username = $GroupMember.Split("@")[0]
}
else {
# Local
$parsed_member.domain = $env:COMPUTERNAME
$parsed_member.username = $GroupMember
}
if ($parsed_member.domain -match "\.") {
# Assume FQDN was passed - change to NetBIOS/short name for later ADSI membership comparisons
$netbios_name = (Get-CimInstance -ClassName Win32_NTDomain -Filter "DnsForestName = '$($parsed_member.domain)'").DomainName
if (!$netbios_name) {
Fail-Json -obj $result -message "Could not resolve NetBIOS name for domain $($parsed_member.domain)"
}
$parsed_member.domain = $netbios_name
}
# Set SID check arguments, and 'combined' for later comparison and output reporting
if ($parsed_member.domain -eq $env:COMPUTERNAME) {
$sid_check_args = @($parsed_member.username)
$parsed_member.combined = "{0}" -f $parsed_member.username
}
else {
$sid_check_args = @($parsed_member.domain, $parsed_member.username)
$parsed_member.combined = "{0}\{1}" -f $parsed_member.domain, $parsed_member.username
}
try {
$user_object = New-Object -TypeName System.Security.Principal.NTAccount -ArgumentList $sid_check_args
$user_object.Translate([System.Security.Principal.SecurityIdentifier])
}
catch {
Fail-Json -obj $result -message "Could not resolve group member $GroupMember"
}
$parsed_member.sid = $sid
$parsed_member.account_name = $account_name
return $parsed_member
}
@ -120,35 +49,28 @@ function Get-GroupMember {
$members = @()
$current_members = $Group.psbase.Invoke("Members") | ForEach-Object {
([ADSI]$_).InvokeGet("ADsPath")
$bytes = ([ADSI]$_).InvokeGet("objectSID")
$sid = New-Object -TypeName Security.Principal.SecurityIdentifier -ArgumentList $bytes, 0
$adspath = ([ADSI]$_).InvokeGet("ADsPath")
@{sid = $sid; adspath = $adspath} | Write-Output
}
foreach ($current_member in $current_members) {
$parsed_member = @{
domain = $null
username = $null
combined = $null
sid = $current_member.sid
account_name = $null
}
$rootless_adspath = $current_member.Replace("WinNT://", "")
$rootless_adspath = $current_member.adspath.Replace("WinNT://", "")
$split_adspath = $rootless_adspath.Split("/")
if ($split_adspath -match $env:COMPUTERNAME) {
# Local
$parsed_member.domain = $env:COMPUTERNAME
$parsed_member.username = $split_adspath[-1]
$parsed_member.combined = $split_adspath[-1]
}
elseif ($split_adspath.Count -eq 1 -and $split_adspath[0] -like "S-1*") {
# Broken SID
$parsed_member.username = $split_adspath[0]
$parsed_member.combined = $split_adspath[0]
}
else {
# Domain or service (i.e. NT AUTHORITY)
$parsed_member.domain = $split_adspath[0]
$parsed_member.username = $split_adspath[1]
$parsed_member.combined = "{0}\{1}" -f $split_adspath[0], $split_adspath[1]
# Ignore lookup on a broken SID, and just return the SID as the account_name
if ($split_adspath.Count -eq 1 -and $split_adspath[0] -like "S-1*") {
$parsed_member.account_name = $split_adspath[0]
} else {
$account_name = Convert-FromSID -sid $current_member.sid
$parsed_member.account_name = $account_name
}
$members += $parsed_member
@ -170,8 +92,7 @@ $result = @{
}
if ($state -eq "present") {
$result.added = @()
}
elseif ($state -eq "absent") {
} elseif ($state -eq "absent") {
$result.removed = @()
}
@ -189,31 +110,29 @@ foreach ($member in $members) {
$user_in_group = $false
foreach ($current_member in $current_members) {
if ($current_member.combined -eq $group_member.combined) {
if ($current_member.sid -eq $group_member.sid) {
$user_in_group = $true
break
}
}
$member_adspath = "WinNT://{0}/{1}" -f $group_member.domain, $group_member.username
$member_sid = "WinNT://{0}" -f $group_member.sid
try {
if ($state -eq "present" -and !$user_in_group) {
if (!$check_mode) {
$group.Add($member_adspath)
$result.added += $group_member.combined
$group.Add($member_sid)
$result.added += $group_member.account_name
}
$result.changed = $true
}
elseif ($state -eq "absent" -and $user_in_group) {
} elseif ($state -eq "absent" -and $user_in_group) {
if (!$check_mode) {
$group.Remove($member_adspath)
$result.removed += $group_member.combined
$group.Remove($member_sid)
$result.removed += $group_member.account_name
}
$result.changed = $true
}
}
catch {
} catch {
Fail-Json -obj $result -message $_.Exception.Message
}
}
@ -221,9 +140,8 @@ foreach ($member in $members) {
$final_members = Get-GroupMember -Group $group
if ($final_members) {
$result.members = [Array]$final_members.combined
}
else {
$result.members = [Array]$final_members.account_name
} else {
$result.members = @()
}

View file

@ -4,9 +4,6 @@
# Copyright: (c) 2017, Andrew Saraceni <andrew.saraceni@gmail.com>
# GNU General Public License v3.0+ (see COPYING or https://www.gnu.org/licenses/gpl-3.0.txt)
# this is a windows documentation stub. actual code lives in the .ps1
# file of the same name
ANSIBLE_METADATA = {'metadata_version': '1.1',
'status': ['preview'],
'supported_by': 'community'}
@ -27,9 +24,11 @@ options:
members:
description:
- A list of members to ensure are present/absent from the group.
- Accepts local users as username, .\username, and SERVERNAME\username.
- Accepts local users as .\username, and SERVERNAME\username.
- Accepts domain users and groups as DOMAIN\username and username@DOMAIN.
- Accepts service users as NT AUTHORITY\username.
- Accepts all local, domain and service user types as username,
favoring domain lookups when in a domain.
required: yes
state:
description:
@ -69,7 +68,7 @@ added:
empty if no members are added.
returned: success and C(state) is C(present)
type: list
sample: ["NewLocalAdmin", "DOMAIN\\TestUser"]
sample: ["SERVERNAME\\NewLocalAdmin", "DOMAIN\\TestUser"]
removed:
description: A list of members removed when C(state) is C(absent); this is
empty if no members are removed.
@ -81,5 +80,5 @@ members:
if the group contains no members.
returned: success
type: list
sample: ["DOMAIN\\TestUser", "NewLocalAdmin"]
sample: ["DOMAIN\\TestUser", "SERVERNAME\\NewLocalAdmin"]
'''

View file

@ -6,11 +6,22 @@
name: WinGroupMembershipTest
state: absent
- name: Remove potentially leftover test user
win_user: &wu_absent
name: WinTestUser
state: absent
- name: Add new test group
win_group:
name: WinGroupMembershipTest
state: present
- name: Add new test user
win_user:
name: WinTestUser
password: "W1nGr0upM3mb3rsh1pT3$tP@$$w0rd"
state: present
- name: Run tests for win_group_membership
block:
@ -18,14 +29,19 @@
import_tasks: tests.yml
vars:
win_local_group: WinGroupMembershipTest
win_local_user: WinTestUser
in_check_mode: no
- name: Test in check-mode
import_tasks: tests.yml
vars:
win_local_group: WinGroupMembershipTest
win_local_user: WinTestUser
in_check_mode: yes
check_mode: yes
- name: Remove test group
win_group: *wg_absent
- name: Remove test user
win_group: *wu_absent

View file

@ -1,21 +1,7 @@
# Test code for win_group_membership
# (c) 2017, Andrew Saraceni <andrew.saraceni@gmail.com>
#
# This file is part of Ansible
#
# 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/>.
# Copyright: (c) 2017, Andrew Saraceni <andrew.saraceni@gmail.com>
# GNU General Public License v3.0+ (see COPYING or https://www.gnu.org/licenses/gpl-3.0.txt)
- name: Look up built-in Administrator account name (-500 user whose domain == computer name)
raw: $machine_sid = (Get-CimInstance Win32_UserAccount -Filter "Domain='$env:COMPUTERNAME'")[0].SID -replace '(S-1-5-21-\d+-\d+-\d+)-\d+', '$1'; (Get-CimInstance Win32_UserAccount -Filter "SID='$machine_sid-500'").Name
@ -30,7 +16,7 @@
name: "{{ win_local_group }}"
members:
- "{{ admin_account_name }}"
- Guest
- "{{ win_local_user }}"
- NT AUTHORITY\SYSTEM
- NT AUTHORITY\NETWORK SERVICE
state: absent
@ -53,17 +39,7 @@
- FakeUser
state: present
register: add_fake_local_user
failed_when: add_fake_local_user.changed != false or add_fake_local_user.msg != "Could not resolve group member FakeUser"
- name: Add fake FQDN domain user
win_group_membership:
name: "{{ win_local_group }}"
members:
- FakeUser@domain.fake
state: present
register: add_fake_fqdn_domain_user
failed_when: add_fake_fqdn_domain_user.changed != false or add_fake_fqdn_domain_user.msg != "Could not resolve NetBIOS name for domain domain.fake"
failed_when: add_fake_local_user.changed != false or add_fake_local_user.msg is not search("account_name FakeUser is not a valid account, cannot get SID.*")
- name: Add users to group
@ -71,7 +47,7 @@
name: "{{ win_local_group }}"
members:
- "{{ admin_account_name }}"
- Guest
- "{{ win_local_user }}"
- NT AUTHORITY\SYSTEM
state: present
register: add_users_to_group
@ -80,8 +56,8 @@
assert:
that:
- add_users_to_group.changed == true
- add_users_to_group.added == [admin_account_name, "Guest", "NT AUTHORITY\\SYSTEM"]
- add_users_to_group.members == [admin_account_name, "Guest", "NT AUTHORITY\\SYSTEM"]
- add_users_to_group.added == ["{{ ansible_hostname }}\\{{ admin_account_name }}", "{{ ansible_hostname }}\\{{ win_local_user }}", "NT AUTHORITY\\SYSTEM"]
- add_users_to_group.members == ["{{ ansible_hostname }}\\{{ admin_account_name }}", "{{ ansible_hostname }}\\{{ win_local_user }}", "NT AUTHORITY\\SYSTEM"]
when: not in_check_mode
- name: Test add_users_to_group (check-mode)
@ -102,7 +78,7 @@
that:
- add_users_to_group_again.changed == false
- add_users_to_group_again.added == []
- add_users_to_group_again.members == [admin_account_name, "Guest", "NT AUTHORITY\\SYSTEM"]
- add_users_to_group_again.members == ["{{ ansible_hostname }}\\{{ admin_account_name }}", "{{ ansible_hostname }}\\{{ win_local_user }}", "NT AUTHORITY\\SYSTEM"]
when: not in_check_mode
@ -111,7 +87,7 @@
<<: *wgm_present
members:
- '{{ ansible_hostname }}\{{ admin_account_name }}'
- .\Guest
- '.\{{ win_local_user }}'
register: add_different_syntax_users_to_group_again
- name: Test add_different_syntax_users_to_group_again (normal mode)
@ -119,7 +95,7 @@
that:
- add_different_syntax_users_to_group_again.changed == false
- add_different_syntax_users_to_group_again.added == []
- add_different_syntax_users_to_group_again.members == [admin_account_name, "Guest", "NT AUTHORITY\\SYSTEM"]
- add_different_syntax_users_to_group_again.members == ["{{ ansible_hostname }}\\{{ admin_account_name }}", "{{ ansible_hostname }}\\{{ win_local_user }}", "NT AUTHORITY\\SYSTEM"]
when: not in_check_mode
- name: Test add_different_syntax_users_to_group_again (check-mode)
@ -143,7 +119,7 @@
that:
- add_another_user_to_group.changed == true
- add_another_user_to_group.added == ["NT AUTHORITY\\NETWORK SERVICE"]
- add_another_user_to_group.members == [admin_account_name, "Guest", "NT AUTHORITY\\SYSTEM", "NT AUTHORITY\\NETWORK SERVICE"]
- add_another_user_to_group.members == ["{{ ansible_hostname }}\\{{ admin_account_name }}", "{{ ansible_hostname }}\\{{ win_local_user }}", "NT AUTHORITY\\SYSTEM", "NT AUTHORITY\\NETWORK SERVICE"]
when: not in_check_mode
- name: Test add_another_user_to_group (check-mode)
@ -164,7 +140,7 @@
that:
- add_another_user_to_group_again.changed == false
- add_another_user_to_group_again.added == []
- add_another_user_to_group_again.members == [admin_account_name, "Guest", "NT AUTHORITY\\SYSTEM", "NT AUTHORITY\\NETWORK SERVICE"]
- add_another_user_to_group_again.members == ["{{ ansible_hostname }}\\{{ admin_account_name }}", "{{ ansible_hostname }}\\{{ win_local_user }}", "NT AUTHORITY\\SYSTEM", "NT AUTHORITY\\NETWORK SERVICE"]
when: not in_check_mode
@ -178,7 +154,7 @@
assert:
that:
- remove_users_from_group.changed == true
- remove_users_from_group.removed == [admin_account_name, "Guest", "NT AUTHORITY\\SYSTEM"]
- remove_users_from_group.removed == ["{{ ansible_hostname }}\\{{ admin_account_name }}", "{{ ansible_hostname }}\\{{ win_local_user }}", "NT AUTHORITY\\SYSTEM"]
- remove_users_from_group.members == ["NT AUTHORITY\\NETWORK SERVICE"]
when: not in_check_mode
@ -209,7 +185,7 @@
<<: *wgm_absent
members:
- '{{ ansible_hostname }}\{{ admin_account_name }}'
- .\Guest
- '.\{{ win_local_user }}'
register: remove_different_syntax_users_from_group_again
- name: Test remove_different_syntax_users_from_group_again (normal mode)