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Hans-Nikolai Viessmann
e9a45941af fully compliant with python3.6+ 2026-02-12 16:17:23 +01:00
Hans-Nikolai Viessmann
148d9a19af protext against agent [UNDO] 2026-02-12 14:39:50 +01:00
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into proprietary programs. If your program is a subroutine library, you
may consider it more useful to permit linking proprietary applications with
the library. If this is what you want to do, use the GNU Lesser General
Public License instead of this License. But first, please read
<https://www.gnu.org/licenses/why-not-lgpl.html>.

64
README.md Normal file
View File

@@ -0,0 +1,64 @@
# LDAP User Directory Tool
A Python tool for interacting with LDAP user and group directories, particularly useful for Active Directory management.
## Features
- List users and groups from LDAP directories
- Manage group memberships (add/remove users)
- Query user information by username or email
- Recursive group membership resolution
- Support for MS SFU (Services for Unix) attributes
- Paged results for large directories
## Installation
```bash
pip install ldapuserdir
```
## Usage
```bash
# List groups matching a pattern
ldapuserdir-ctl 'svc-cluster_*'
# Get group memberships for a user
ldapuserdir-ctl -g username
# Add users to a group
ldapuserdir-ctl -a groupname user1 user2 user3
# Remove users from a group
ldapuserdir-ctl -d groupname user1 user2
# List users matching a pattern
ldapuserdir-ctl -u 'username*'
# List users by email pattern
ldapuserdir-ctl -m '*@example.com'
```
## Configuration
Create a configuration file at `~/.ldapuserdir-ctl.cfg` or `/etc/ldapuserdir-ctl.cfg`:
```ini
[Ldap]
serverurl = ldaps://your-ldap-server:636
user_ou = OU=Users,DC=example,DC=com
group_ou = OU=Groups,DC=example,DC=com
default_user_dn = CN=service-account,OU=Service Accounts,DC=example,DC=com
default_user_pw = service-account-password
default_group_filter = svc-*
```
## Requirements
- Python 3.6+
- python-ldap 3.0.0+
- Access to an LDAP server (Active Directory or other LDAP-compatible directory)
## License
GPLv3+

274
bin/ldapuserdir-ctl
View File

@@ -1,4 +1,10 @@
#!/usr/bin/env python
#!/usr/bin/env python3
"""
Script to retrieve group and user information from an AD using LDAP.
Author: Derek Feichtinger <derek.feichtinger@psi.ch>
"""
import logging
from ldapuserdir import LdapUserDir, __version__ as libversion, LdapUserDirError
@@ -6,15 +12,18 @@ import ldap
import sys
import os
import pwd
from optparse import OptionParser
import argparse
import configparser
import getpass
class MyOptParser(OptionParser):
"""OptionParser derived class for enabling us to give out a
class MyArgParser(argparse.ArgumentParser):
"""ArgumentParser derived class for enabling us to give out a
nicer help text where text can follow the option section"""
def format_epilog(self, formatter):
return self.epilog.replace('%prog',os.path.basename(sys.argv[0]))
def format_help(self):
formatter = self._get_formatter()
formatter.add_text(self.description)
formatter.add_text(self.epilog.replace('%(prog)s', os.path.basename(sys.argv[0])))
return formatter.format_help()
def read_cfg(filename):
cfg = configparser.ConfigParser()
@@ -47,9 +56,9 @@ cfgfile_loc = [os.path.expanduser('~/.ldapuserdir-ctl.cfg'),
'/etc/ldapuserdir-ctl.cfg']
config = {
'serverurl' : 'ldaps://xyzdir.example.com:636',
'user_ou' : 'OU=Users,DC=example.com,DC=ch',
'group_ou' : 'OU=Groups,DC=example.com,DC=ch',
'default_user_dn' : 'CN=minpriv_user,OU=Services,DC=example.com,DC=ch',
'user_ou' : 'OU=Users,DC=example.com,DC=org',
'group_ou' : 'OU=Groups,DC=example.com,DC=org',
'default_user_dn' : 'CN=minpriv_user,OU=Services,DC=example.com,DC=org',
'default_user_pw' : 'dummypwd',
'default_group_filter' : 'svc-cluster_merlin*'
}
@@ -71,7 +80,7 @@ mylogger.addHandler(ch)
################################################
# OPTION PARSING
usage = """%prog [options] groupname [usernames]
usage = """%(prog)s [options] groupname [usernames]
Shows or changes members of a group in Active Directory. Also
can be used to investigate users and their group memberships.
@@ -94,150 +103,149 @@ usage += """
usage_epilog = """
Examples:
List group members
%prog svc-cluster_merlin5
%prog 'svc-cluster_*'
%(prog)s svc-cluster_merlin5
%(prog)s 'svc-cluster_*'
Get group memberships for user mueller (optionally with a group filter)
%prog -g mueller
%prog -g mueller 'svc-cluster_merlin5'
%prog -g mueller 'svc-cluster_*'
%(prog)s -g mueller
%(prog)s -g mueller 'svc-cluster_merlin5'
%(prog)s -g mueller 'svc-cluster_*'
Add/delete users to/from a group (requires access rights defined in LDAP service!)
%prog -a svc-ra_x06sa user1 user2 user3
%prog -d svc-ra_x06sa user1 user2
%(prog)s -a svc-ra_x06sa user1 user2 user3
%(prog)s -d svc-ra_x06sa user1 user2
List users matching a pattern
%prog -u 'mueller*'
%(prog)s -u 'mueller*'
List users matching a mail address pattern
%prog -m '*mueller@psi*'
%(prog)s -m '*mueller@example*'
Author: 2013-19 D. Feichtinger <derek.feichtinger@psi.ch>
"""
examplecfg = """# Configuration file example:
[Ldap]
# URL for contacting the LDAP server
serverurl = ldaps://d.psi.ch:636
serverurl = ldaps://d.example.org:636
# base ldap path under which all users are found
user_ou = OU=Users,OU=PSI,DC=d,DC=psi,DC=ch
user_ou = OU=Users,OU=ExampleOrg,DC=d,DC=example,DC=org
# base ldap path under which groups are found
group_ou = ou=Groups,ou=PSI,dc=d,dc=psi,dc=ch
group_ou = ou=Groups,ou=ExampleOrg,dc=d,dc=example,dc=org
# minimally privileged Ldap user and password for running normal
# lookup queries
default_user_dn = CN=linux_ldap,OU=Services,OU=IT,DC=d,DC=psi,DC=ch
default_user_dn = CN=linux_ldap,OU=Services,OU=IT,DC=d,DC=example,DC=org
default_user_pw = DEFaultPassword
# Optional:
# default filter to be used for group searches
default_group_filter = svc-ra*
"""
#parser = OptionParser(usage = usage, epilog = usage_epilog)
parser = MyOptParser(usage = usage, epilog = usage_epilog)
parser.add_option('-a',
action = 'store_true',
dest = 'flag_add',
help = 'add group members',
)
parser.add_option('-d',
action = 'store_true',
dest = 'flag_del',
help = 'delete group members',
)
parser.add_option('-g',
action = 'store',
dest = 'user_to_group',
help = 'get group memberships for this user',
default = ''
)
parser.add_option('-u',
action = 'store',
dest = 'userfilter',
help = 'list all ldap users matching the filter expression'
)
parser.add_option('-m', '--mail',
action = 'store',
dest = 'mailfilter',
help = 'list all ldap users based on the mail address filter expression'
)
parser.add_option('--dn',
action = 'store_true',
dest = 'flag_showdn',
help = 'show full DNs in the output',
default = False
)
parser.add_option('-c',
action = 'store',
dest = 'cfgfile',
help = 'path of a config file (else tries default locations)',
default = ''
)
parser.add_option('-D',
action = 'store',
dest = 'user_dn',
help = 'DN or CN of ldap user for binding to the AD server (%s)' % config['default_user_dn'],
default = None
)
parser.add_option('-f',
action = 'store',
dest = 'pwfile',
help = 'path to password file (without this pwd will be prompted for)',
default = ''
)
parser.add_option('-v',
action = 'count',
dest = 'verbosity',
help = 'use more verbose output (for group and user lists. Verbosity can be increased by multiple -v flags)',
default = False
)
parser.add_option('--user-ou',
action = 'store',
dest = 'user_ou',
help = 'default OU for users (%s)' % config['user_ou'],
default = None
)
parser.add_option('--group-ou',
action = 'store',
dest = 'group_ou',
help = 'default OU for groups (%s)' % config['group_ou'],
default = None
)
parser.add_option('-n', '--allow-no-mssfu',
action = 'store_false',
dest = 'flag_mssfu',
help = 'do not restrict to entries with unix (msSFU) mappings',
default = True
)
parser.add_option('--debug',
action = 'store_true',
dest = 'flag_debug',
help = 'debug mode: log messages at debug level',
)
parser.add_option('--showconf',
action = 'store_true',
dest = 'flag_examplecfg',
help = 'show an example configuration file',
default= False
)
parser.add_option('-V',
action = 'store_true',
dest = 'flag_version',
help = 'show version information',
default = False
# Create argument parser
parser = MyArgParser(
description=usage.strip(),
epilog=usage_epilog.strip(),
formatter_class=argparse.RawDescriptionHelpFormatter,
add_help=False
)
parser.add_option('-R',
action = 'store_false',
dest = 'recursive',
help = "Don't recursively resolve groups",
default = True
)
# Add arguments
parser.add_argument('-a',
action='store_true',
dest='flag_add',
help='add group members')
parser.add_argument('-d',
action='store_true',
dest='flag_del',
help='delete group members')
parser.add_argument('-g',
action='store',
dest='user_to_group',
help='get group memberships for this user',
default='')
parser.add_argument('-u',
action='store',
dest='userfilter',
help='list all ldap users matching the filter expression')
parser.add_argument('-m', '--mail',
action='store',
dest='mailfilter',
help='list all ldap users based on the mail address filter expression')
parser.add_argument('--dn',
action='store_true',
dest='flag_showdn',
help='show full DNs in the output',
default=False)
parser.add_argument('-c',
action='store',
dest='cfgfile',
help='path of a config file (else tries default locations)',
default='')
parser.add_argument('-D',
action='store',
dest='user_dn',
help='DN or CN of ldap user for binding to the AD server (%s)' % config['default_user_dn'],
default=None)
parser.add_argument('-f',
action='store',
dest='pwfile',
help='path to password file (without this pwd will be prompted for)',
default='')
parser.add_argument('-v',
action='count',
dest='verbosity',
help='use more verbose output (for group and user lists. Verbosity can be increased by multiple -v flags)',
default=False)
parser.add_argument('--user-ou',
action='store',
dest='user_ou',
help='default OU for users (%s)' % config['user_ou'],
default=None)
parser.add_argument('--group-ou',
action='store',
dest='group_ou',
help='default OU for groups (%s)' % config['group_ou'],
default=None)
parser.add_argument('-n', '--allow-no-mssfu',
action='store_false',
dest='flag_mssfu',
help='do not restrict to entries with unix (msSFU) mappings',
default=True)
parser.add_argument('--debug',
action='store_true',
dest='flag_debug',
help='debug mode: log messages at debug level')
parser.add_argument('--showconf',
action='store_true',
dest='flag_examplecfg',
help='show an example configuration file',
default=False)
parser.add_argument('-V',
action='store_true',
dest='flag_version',
help='show version information',
default=False)
parser.add_argument('-R',
action='store_false',
dest='recursive',
help="Don't recursively resolve groups",
default=True)
parser.add_argument('-h', '--help',
action='help',
help='show this help message and exit')
(options, args) = parser.parse_args()
# Add positional arguments for groupname and usernames
parser.add_argument('groupname',
nargs='?',
help='group name pattern')
parser.add_argument('usernames',
nargs='*',
help='user names to add/remove')
options = parser.parse_args()
if options.flag_debug:
ch.setLevel(logging.DEBUG)
@@ -349,8 +357,8 @@ try:
if mode == 'grouplist':
sfilter = config['default_group_filter']
if args:
sfilter = args.pop(0)
if options.groupname:
sfilter = options.groupname
ldapdir.list_groups(sfilter, mssfu=flag_mssfu, returndn=flag_showdn,
verbose=verbosity, recursive=options.recursive)
@@ -366,8 +374,8 @@ try:
elif mode == 'user_to_group':
sfilter = None
if args:
sfilter = args.pop(0)
if options.groupname:
sfilter = options.groupname
try:
sys.stdout.write("\n".join(ldapdir.get_groups_for_user(user_to_group,
gfilter=sfilter,
@@ -385,18 +393,18 @@ try:
sys.exit(1)
elif mode == 'add':
if len(args) < 2:
if not options.groupname or not options.usernames:
sys.stderr.write("Error: Not enough arguments\n")
sys.exit(1)
group = args.pop(0)
ldapdir.add_groupmembers(group, args)
group = options.groupname
ldapdir.add_groupmembers(group, options.usernames)
elif mode == 'del':
if len(args) < 2:
if not options.groupname or not options.usernames:
sys.stderr.write("Error: Not enough arguments\n")
sys.exit(1)
group = args.pop(0)
ldapdir.del_groupmembers(group, args)
group = options.groupname
ldapdir.del_groupmembers(group, options.usernames)
except ldap.INVALID_CREDENTIALS as e:
sys.exit(1)

3
conda-recipe/ldapuserdir/build.sh
View File

@@ -1,3 +0,0 @@
#!/bin/bash
$PYTHON setup.py install

30
conda-recipe/ldapuserdir/meta.yaml
View File

@@ -1,30 +0,0 @@
package:
name: ldapuserdir
version: "2.2.1"
source:
path: ../../
#fn: ldapuserdir-2.1.1.tar.gz
#md5: 14aca74738002d0943da253bc8f4642e
requirements:
build:
- python
- setuptools
- python-ldap
run:
- python
- python-ldap
- configparser
build:
preserve_egg_dir: True
build:
has_prefix_files:
- bin/ldapuserdir-ctl
about:
license: GPLv2
summary: 'Client for interacting with a LDAP user/group directory service'

5
do_release.py
View File

@@ -1,7 +1,6 @@
#/usr/bin/python
#
# A first simplistic try at a release helper script
# Derek Feichtinger <derek.feichtinger@psi.ch>
import subprocess
import sys
@@ -89,8 +88,8 @@ prefix=/usr
[bdist_rpm]
Release=1.el6
Group=Applications/Internet
Vendor=PSI
Packager=Derek Feichtinger
Vendor=ExampleOrg
Packager=User Name
#Provides
Requires=python-ldap
#Conflicts

8
docs/conf.py
View File

@@ -44,7 +44,7 @@ master_doc = 'index'
# General information about the project.
project = u'ldapuserdir'
copyright = u'2013, Derek Feichtinger'
copyright = u'2013, '
# The version info for the project you're documenting, acts as replacement for
# |version| and |release|, also used in various other places throughout the
@@ -190,7 +190,7 @@ latex_elements = {
# (source start file, target name, title, author, documentclass [howto/manual]).
latex_documents = [
('index', 'ldapuserdir.tex', u'ldapuserdir Documentation',
u'Derek Feichtinger', 'manual'),
u'User', 'manual'),
]
# The name of an image file (relative to this directory) to place at the top of
@@ -220,7 +220,7 @@ latex_documents = [
# (source start file, name, description, authors, manual section).
man_pages = [
('index', 'ldapuserdir', u'ldapuserdir Documentation',
[u'Derek Feichtinger'], 1)
[u'User'], 1)
]
# If true, show URL addresses after external links.
@@ -234,7 +234,7 @@ man_pages = [
# dir menu entry, description, category)
texinfo_documents = [
('index', 'ldapuserdir', u'ldapuserdir Documentation',
u'Derek Feichtinger', 'ldapuserdir', 'One line description of project.',
u'User', 'ldapuserdir', 'One line description of project.',
'Miscellaneous'),
]

6
docs/ldapuserdir-ctl.rst
View File

@@ -21,13 +21,13 @@ Options::
mappings
--debug debug mode: log messages at debug level
-D USER_DN DN or CN of ldap user for binding to the AD server
(CN=minpriv_user,OU=Services,DC=example.com,DC=ch)
(CN=minpriv_user,OU=Services,DC=example.com,DC=org)
-f PWFILE path to password file (without this pwd will be
prompted for)
-g USER_TO_GROUP get group memberships for this user
-v use more verbose output (with user list only)
--user-ou=USER_OU default OU for users (OU=Users,DC=example.com,DC=ch)
--group-ou=GROUP_OU default OU for groups (OU=Groups,DC=example.com,DC=ch)
--user-ou=USER_OU default OU for users (OU=Users,DC=example.com,DC=org)
--group-ou=GROUP_OU default OU for groups (OU=Groups,DC=example.com,DC=org)
-n, --allow-no-mssfu do not restrict to entries with unix (msSFU) mappings
-V show version information

2
etc/ldapuserdir-ctl.cfg
View File

@@ -18,4 +18,4 @@ default_user_pw = secret_pwd
# Optional
# default filter to be used for group searches
default_group_filter = svc-ra*
default_group_filter = svc-merlin*

24
ldapuserdir/ldapuserdir.py
View File

@@ -1,13 +1,14 @@
#!/usr/bin/env python
#!/usr/bin/env python3
######################################################################
# Tool for modifying group memberships in AD
#
# Author: Derek Feichtinger <derek.feichtinger@psi.ch>
#
######################################################################
""" This module provides the LdapUserDir class. It is used to interact
with an LDAP based user directory service
"""
This module provides the LdapUserDir class. It is used to interact
with an LDAP based user directory service.
Author: Derek Feichtinger <derek.feichtinger@psi.ch>
"""
import ldap
@@ -23,7 +24,7 @@ import itertools
class LdapUserDirError(Exception):
"""Exception class for LdapUserDir error conditions"""
def __init__(self, errmsg):
super(LdapUserDirError, self).__init__(errmsg)
super().__init__(errmsg)
class LdapUserDir(object):
@@ -112,7 +113,7 @@ class LdapUserDir(object):
@staticmethod
def ensure_utf8(bstr):
try:
if type(bstr) == bytes:
if isinstance(bstr, bytes):
return bstr.decode('utf-8')
except UnicodeDecodeError:
pass
@@ -445,7 +446,7 @@ class LdapUserDir(object):
# The following filter is necessary, because AD yielded
# some (None,String) fields when searching with
# --group-ou='dc=d,dc=psi,dc=ch'. This led to errors.
# --group-ou='dc=d,dc=example,dc=org'. This led to errors.
r = [el for el in r if el[0] is not None]
return r
@@ -598,7 +599,7 @@ class LdapUserDir(object):
print("(%s)" % gid)
if 'member' in entry:
for member in (self.ensure_utf8(m) for m in entry['member']):
# Check if member is itself a group. This might be PSI-specific
# Check if member is itself a group. This might be ExampleOrg-specific
is_group = self._is_group(member)
if recursive and is_group:
self.list_groups(
@@ -686,9 +687,8 @@ class LdapUserDir(object):
# self.logger.debug("_is_group: %s %s:" % (self.group_ou, dn))
# Note that lower() is not a good casefold alternative
# but this is python 2
return self.group_ou.lower() in dn.lower()
# Use casefold() for proper case-insensitive comparison in Python 3
return self.group_ou.casefold() in dn.casefold()
def _mod_groupmembers(self, ldapmode, dngroup, usernames):
"""modifies (adds/deletes) members of an LDAP group entry

39
setup.cfg
View File

@@ -1,21 +1,34 @@
# setup.cfg for ldapuserdir
[metadata]
license_files = LICENSE
[options]
zip_safe = False
include_package_data = True
[options.packages.find]
exclude =
tests*
docs*
build*
dist*
*.egg-info*
[build]
#executable=/usr/bin/python
# No longer needed for modern setuptools
[install]
#prefix=/usr
#install-data=/
# No longer needed for modern setuptools
[bdist_rpm]
Release=1.el6
Release=1
Group=Applications/Internet
Vendor=PSI
Packager=Derek Feichtinger
#Provides
Requires=python-ldap
#Conflicts
#Obsoletes
#Distribution
#BuildRequires
#Icon
Vendor=ExampleOrg
Packager=User Name
Requires=python3-ldap
[egg_info]
tag_build =
tag_date = 0
tag_svn_revision = 0

56
setup.py
View File

@@ -1,30 +1,46 @@
#from setuptools import setup, find_packages
#from distutils.core import setup
from setuptools import setup, find_packages
# we use the distribute framework that has a backward compatible invocation
# to the setuptools
from setuptools import setup
# we get the package version from inside our package, since we then
# can use it also from within the package
#from ldapuserdir.version import __version__
# py2.7 way: execfile('ldapuserdir/version.py')
# Read version from file
exec(open("ldapuserdir/version.py").read())
with open("README.md", "r", encoding="utf-8") as fh:
long_description = fh.read()
setup(
name="ldapuserdir",
version=__version__,
description="Client for interacting with a LDAP user/group directory service",
long_description="Client for listing user and group information and"
+ " for managing group memberships",
author="Derek Feichtinger",
author_email="derek.feichtinger@psi.ch",
license="GPL",
packages=['ldapuserdir'],
long_description=long_description,
long_description_content_type="text/markdown",
author="User Name",
author_email="user.name@example.org",
license="GPLv3+",
packages=find_packages(),
scripts=['bin/ldapuserdir-ctl'],
# following format is (targetdir,[list of files])
data_files=[('etc', ['etc/ldapuserdir-ctl.cfg'])],
#install_requires=['python-ldap']
install_requires=[
'python-ldap>=3.0.0',
],
python_requires='>=3.6',
classifiers=[
'Development Status :: 5 - Production/Stable',
'Intended Audience :: System Administrators',
'License :: OSI Approved :: GNU General Public License v3 or later (GPLv3+)',
'Natural Language :: English',
'Operating System :: POSIX :: Linux',
'Programming Language :: Python :: 3',
'Programming Language :: Python :: 3.6',
'Programming Language :: Python :: 3.7',
'Programming Language :: Python :: 3.8',
'Programming Language :: Python :: 3.9',
'Programming Language :: Python :: 3.10',
'Programming Language :: Python :: 3.11',
'Programming Language :: Python :: 3.12',
'Topic :: System :: Systems Administration :: Authentication/Directory :: LDAP',
],
keywords='ldap active-directory user group management',
project_urls={
'Source': 'https://github.com/example/ldapuserdir',
'Tracker': 'https://github.com/example/ldapuserdir/issues',
},
)