Django LDAP - raised SIZELIMIT_EXCEEDED - django

Django application can connect to the LDAP server flawlessly.
While login I'm getting the below error,
search_s('DC=xx,DC=yyy,DC=com', 2, " (objectClass=organizationalPerson)") raised SIZELIMIT_EXCEEDED(('msgtype': 100,
'msgid': 2, 'result': 4, 'desc': 'Size limit exceeded', 'ctrls': []})
How to set the SIZELIMIT in LDAP configuration
please help me with this issue.
My settings.py,
# Baseline Configuration
AUTH_LDAP_SERVER_URI='Ldap://xyz.server.com'
AUTH LDAP CONNECTION OPTIONS = {
ldap.OPT_REFERRALS: 0
}
LDAP_IGNORE_CERT_ERRORS = True
AUTH_LDAP_BIND_DN = 'CN=dev,OU=Accounts,DC=xy,DC=qwerty, DC=com'
AUTH_LDAP_BIND_PASSWORD = 'qwerty123'
AUTH_LDAP_USER_SEARCH = LDAPSearch(
'DC=xy,DC=qwerty, DC=com',
ldap.SCOPE_SUBTREE,
"(objectClass=organizationalPerson)",
['cn']
)
LDAP_USER_ATTRIBUTES="cn,sn,givenName,displayName,employeeID,mail"
LDAP_BASE_DN = "DC=xy,DC=qwerty, DC=com"
LDAP USE SSL= True
LDAP_SEARCH_DOMAINS = "au.pbs,branch1,branch?"
AUTH_LDAP_GROUP BASE = "OU=Accounts,DC=xy,DC=qwerty, DC=com"
AUTH_LDAP_GROUP_FILTER = '(objectClass=posixGroup)'
AUTH LDAP GROUP SEARCH = LDAPSearch(
AUTHLDAP_GROUP_BASE,
ldap.SCOPE_SUBTREE,
AUTH LDAP GROUP FILTER
)
AUTH_LDAP_GROUP_TYPE = GroupOfNamesType (name_attr="cn")
AUTH_LDAP _USER_ATTR_MAP = {
'first name': 'givenName',
"last name': 'sn',
'email':'email'
}

Related

Can we check whether a user is part of an Organizational Units instead of Groups in Django LDAP?

In my LDAP directory, Users are added to Organizational Units instead of groups. How can I check whether a user is a part of an Organizational Unit using Django LDAP ?
My settings.py file:
AUTH_LDAP_SERVER_URI = 'ldap://qwery'
AUTH_LDAP_BIND_AS_AUTHENTICATING_USER = True
AUTH_LDAP_BIND_DN = 'dndndn'
AUTH_LDAP_BIND_PASSWORD = 'pwdpwd'
AUTH_LDAP_USER_SEARCH = LDAPSearchUnion(
LDAPSearch('ou=abbb,dc=xxx,dc=net', ldap.SCOPE_SUBTREE, "(sAMAccountName=%(user)s)"),
LDAPSearch('ou=ammmm,dc=xxx,dc=net', ldap.SCOPE_SUBTREE, "(sAMAccountName=%(user)s)"),
LDAPSearch('ou=addddd,dc=xxx,dc=net', ldap.SCOPE_SUBTREE, "(sAMAccountName=%(user)s)"),
LDAPSearch('ou=ahhhhh,dc=xxx,dc=net', ldap.SCOPE_SUBTREE, "(sAMAccountName=%(user)s)"),
)
AUTH_LDAP_CACHE_TIMEOUT = 0
AUTHENTICATION_BACKENDS = [
'django_auth_ldap.backend.LDAPBackend',
'django.contrib.auth.backends.ModelBackend',
]
# Populate the Django user from the LDAP directory.
AUTH_LDAP_USER_ATTR_MAP = {
"name": "cn",
"username": "sAMAccountName",
"department":"distinguishedName"
}
AUTH_LDAP_GROUP_SEARCH = LDAPSearch(
"OU=addddd,DC=xxx,DC=net",
ldap.SCOPE_SUBTREE,
"(objectClass=*)")
AUTH_LDAP_FIND_GROUP_PERMS = True
AUTH_LDAP_GROUP_TYPE = GroupOfNamesType()
AUTH_LDAP_ALWAYS_UPDATE_USER = True
AUTH_USER_MODEL = 'login.Account'
AUTH_LDAP_USER_FLAGS_BY_GROUP= {
"is_it": "OU=IT,OU=ahhhh,DC=xxx,DC=net",
}
Thank you
You would need to determine the FDN into the RDN parts to determine which OU the user in within.
You can look at an example at: https://www.python-ldap.org/en/python-ldap-3.3.0/reference/ldap-dn.html#examples

django-auth-ldap failed to map the username to a DN after switching to LDAPS

I'm building a django project for my company, I had settings like below when I just use simple bind without SSL:
AUTH_LDAP_SERVER_URI = 'ldap://some.example.server:389'
AUTH_LDAP_BASE_DN = 'some-base-dn'
AUTH_LDAP_BIND_DN = 'some-bind-dn'
AUTH_LDAP_BIND_PASSWORD = 'some-password'
AUTH_LDAP_USER_SEARCH = LDAPSearch(
AUTH_LDAP_BASE_DN, ldap.SCOPE_SUBTREE, '(sAMAccountName=%(user)s)')
and it worked perfectly.
However, due to the security enhancement of our company's LDAP server, we're asked to use LDAP over SSL. So I get a certificate and change my code like this:
AUTH_LDAP_GLOBAL_OPTIONS = {
ldap.OPT_X_TLS_REQUIRE_CERT: True,
ldap.OPT_X_TLS_DEMAND: True,
ldap.OPT_REFERRALS: 0,
ldap.OPT_X_TLS_CACERTFILE: '/etc/ssl/certs/mycertfile.pem'
}
AUTH_LDAP_SERVER_URI = 'ldaps://some.example.server:636'
AUTH_LDAP_BASE_DN = 'some-base-dn'
AUTH_LDAP_BIND_DN = 'some-bind-dn'
AUTH_LDAP_BIND_PASSWORD = 'some-password'
AUTH_LDAP_USER_SEARCH = LDAPSearch(
AUTH_LDAP_BASE_DN, ldap.SCOPE_SUBTREE, '(sAMAccountName=%(user)s)')
It no longer works. It keeps saying search_s(xxx) returned 0 objects: Authentication failed for : failed to map the username to a DN.
But if I change the filter string for the LDAPSearch() from
'(sAMAccountName=%(user)s)'
to
'(sAMAccountName=<hard-coded-id>)'
it works.
I've been trying to dig out why this happens and so far no luck. Does anyone have any idea why this is happening?
Much Appreciated.
My apology, it was a user error. The code below works perfectly.
AUTH_LDAP_GLOBAL_OPTIONS = {
ldap.OPT_X_TLS_REQUIRE_CERT: True,
ldap.OPT_X_TLS_DEMAND: True,
ldap.OPT_REFERRALS: 0,
ldap.OPT_X_TLS_CACERTFILE: '/etc/ssl/certs/mycertfile.pem'
}
AUTH_LDAP_SERVER_URI = 'ldaps://some.example.server:636'
AUTH_LDAP_BASE_DN = 'some-base-dn'
AUTH_LDAP_BIND_DN = 'some-bind-dn'
AUTH_LDAP_BIND_PASSWORD = 'some-password'
AUTH_LDAP_USER_SEARCH = LDAPSearch(
AUTH_LDAP_BASE_DN, ldap.SCOPE_SUBTREE, '(sAMAccountName=%(user)s)')

Binding to Active Directory using django-auth-ldap

I'm trying to create user login authentication in my django app via Active Directory using django-auth-ldap. The problem is that I cannot bind to the AD using username (which is sAMAccountName LDAP equivalent). Part of my settings.py below:
import ldap
from django_auth_ldap.config import LDAPSearch
AUTHENTICATION_BACKENDS = [
'django_auth_ldap.backend.LDAPBackend',
]
AUTH_LDAP_START_TLS = False
AUTH_LDAP_ALWAYS_UPDATE_USER = False
AUTH_LDAP_SERVER_URI = 'ldap://ip_address:389'
AUTH_LDAP_BIND_DN = ''
AUTH_LDAP_BIND_PASSWORD = ''
AUTH_LDAP_USER_SEARCH = LDAPSearch('DC=example,DC=com', ldap.SCOPE_SUBTREE, '(sAMAccountName=%(user)s)')
AUTH_LDAP_CONNECTION_OPTIONS = {
ldap.OPT_REFERRALS: 0,
}
Console log:
ERROR search_s('DC=example,DC=com', 2, '(sAMAccountName=user)') raised OPERATIONS_ERROR({'desc': 'Operations error', 'info': '00000000: LdapErr: DSID-0C090627, comment: In order to perform this operation a successful bind must be completed on the connection., data 0, vece'})
DEBUG search_s('DC=example,DC=com', 2, '(sAMAccountName=%(user)s)') returned 0 objects:
DEBUG Authentication failed for user: failed to map the username to a DN.
Any idea why this is not working?
Anonymous read access is not enabled by default. To perform the search operation, populate AUTH_LDAP_BIND_DN and AUTH_LDAP_BIND_PASSWORD with a valid account. I generally create dedicated "system" accounts (i.e. not a real person's account because your authentication starts failing every time the user changes their password).

How to login using LDAP in Django

I am trying to enable LDAP server for login and authenticate in my Django application. I read django-auth-ldap tutorial and done all the changes in settings.py.
But I not able to login from LDAP server users, Django always try to login only form local database.
What i have to do and change any thing while login user? any changes is required in view.py authenticate() function for login.
My code snippets are below :
settings.py
AUTH_LDAP_SERVER_URI = 'ldap://my_domain.com'
AUTH_LDAP_BIND_DN = 'cn=admin,dc=my_domain,dc=com'
AUTH_LDAP_BIND_PASSWORD = 'My_password'
AUTH_LDAP_USER_SEARCH = LDAPSearch(
'ou=users,dc=my_domain,dc=com',
ldap.SCOPE_SUBTREE,
'(uid=%(user)s)',
)
AUTH_LDAP_CONNECTION_OPTIONS = {
ldap.OPT_REFERRALS: 0
}
# Set up the basic group parameters.
AUTH_LDAP_GROUP_SEARCH = LDAPSearch(
'ou=django,dc=my_domain,dc=com',
ldap.SCOPE_SUBTREE,
'(objectClass=groupOfNames)',
)
AUTH_LDAP_GROUP_TYPE = GroupOfNamesType(name_attr='cn')
# Simple group restrictions
AUTH_LDAP_REQUIRE_GROUP = 'cn=enabled,ou=django,ou=groups,dc=my_domain,dc=com'
AUTH_LDAP_DENY_GROUP = 'cn=disabled,ou=django,ou=groups,dc=my_domain,dc=com'
# Populate the Django user from the LDAP directory.
AUTH_LDAP_USER_ATTR_MAP = {
"username": "uid",
"passsword": "userPassword"
}
AUTH_LDAP_USER_FLAGS_BY_GROUP = {
'is_active': 'cn=active,ou=django,ou=groups,dc=my_domain,dc=com',
'is_staff': 'cn=staff,ou=django,ou=groups,dc=my_domain,dc=com',
'is_superuser': 'cn=superuser,ou=django,ou=groups,dc=my_domain,dc=com',
}
# This is the default, but I like to be explicit.
AUTH_LDAP_ALWAYS_UPDATE_USER = True
# Use LDAP group membership to calculate group permissions.
AUTH_LDAP_FIND_GROUP_PERMS = True
# Cache distinguised names and group memberships for an hour to minimize
# LDAP traffic.
AUTH_LDAP_CACHE_TIMEOUT = 3600
# Keep ModelBackend around for per-user permissions and maybe a local
# superuser.
AUTHENTICATION_BACKENDS = (
'django_auth_ldap.backend.LDAPBackend',
'django.contrib.auth.backends.ModelBackend',
)
#view.py
from django.contrib.auth import authenticate, login
def user_login(request):
user = authenticate(username = username, password = password)
login(request, user)
return HttpResponseRedirect('/')
Any code changes required in user_login() function or djagno automatically checks and authenticate users from LDAP as well as local database.
I am not sure which Django function will used for login purpose.
Any one please help me.
I was struggling for this soo long. and finally its working
with django-auth-ldap on Django 2.2 + Python 3.6.8 .
This is my settings.py
and its working fine.
import ldap
from django_auth_ldap.config import LDAPSearch, LDAPGroupQuery,GroupOfNamesType
AUTH_LDAP_SERVER_URI = 'ldap://192.168.122.222'
AUTH_LDAP_BIND_DN = 'CN=Django Admin,CN=Users,DC=hqvfx,DC=com'
AUTH_LDAP_BIND_PASSWORD = 'MyPassword'
AUTH_LDAP_USER_SEARCH = LDAPSearch('OU=all,OU=LSA_Users,DC=hqvfx,DC=com',ldap.SCOPE_SUBTREE, '(sAMAccountName=%(user)s)')
AUTH_LDAP_GROUP_SEARCH = LDAPSearch('OU=HQ_Groups,DC=hqvfx,DC=com',ldap.SCOPE_SUBTREE, '(objectClass=top)')
AUTH_LDAP_GROUP_TYPE = GroupOfNamesType()
AUTH_LDAP_MIRROR_GROUPS = True
# Populate the Django user from the LDAP directory.
AUTH_LDAP_USER_ATTR_MAP = {
'username': 'sAMAccountName',
'first_name': 'displayName',
'last_name': 'sn',
'email': 'mail',
}
AUTH_LDAP_USER_FLAGS_BY_GROUP = {
'is_active': 'CN=all, OU=HQ_Groups, DC=hqvfx, DC=com',
'is_staff': 'CN=all, OU=HQ_Groups, DC=hqvfx, DC=com',
'is_superuser': 'CN=all, OU=HQ_Groups, DC=hqvfx, DC=com',
}
AUTH_LDAP_ALWAYS_UPDATE_USER = True
AUTH_LDAP_FIND_GROUP_PERMS = True
AUTH_LDAP_CACHE_TIMEOUT = 3600
AUTHENTICATION_BACKENDS = (
'django_auth_ldap.backend.LDAPBackend',
'django.contrib.auth.backends.ModelBackend',
)

django auth ldap

I've been trying to get the LDAP -> Django groups mappings working without success. Everything seems to work fine except for the group mapping part. My LDAP backend is Active Directory. I'm using django-auth-ldap 1.0.10.
settings.py:
import ldap, logging
from django_auth_ldap.config import LDAPSearch, ActiveDirectoryGroupType
logger = logging.getLogger('django_auth_ldap')
logger.addHandler(logging.StreamHandler())
logger.setLevel(logging.DEBUG)
AUTH_LDAP_SERVER_URI = "ldap://sub.domain.com"
AUTH_LDAP_BIND_DN = 'CN=Bind Account,OU=Users,OU=Users,OU=Chicago,DC=sub,DC=domain,DC=com'
AUTH_LDAP_BIND_PASSWORD = 'passwd'
AUTH_LDAP_USER_SEARCH = LDAPSearch('OU=Users,OU=Users,OU=Chicago,DC=sub,DC=domain,DC=com', ldap.SCOPE_SUBTREE, "(uid=%(user)s)",)
AUTH_LDAP_GROUP_SEARCH = LDAPSearch("OU=Groups,OU=Chicago,DC=sub,DC=domain,DC=com", ldap.SCOPE_SUBTREE, "(objectClass=groupOfNames)")
AUTH_LDAP_GROUP_TYPE = ActiveDirectoryGroupType()
AUTH_LDAP_FIND_GROUP_PERMS = True
#AUTH_LDAP_CACHE_GROUPS = True
#AUTH_LDAP_GROUP_CACHE_TIMEOUT = 3600
AUTH_LDAP_GLOBAL_OPTIONS = {
ldap.OPT_X_TLS_REQUIRE_CERT: False,
ldap.OPT_REFERRALS: False,
}
AUTH_LDAP_USER_ATTR_MAP = {
"first_name": "givenName",
"last_name": "sn",
"email": "mail"
}
AUTH_LDAP_USER_FLAGS_BY_GROUP = {
"is_staff": "CN=SomeGroup,OU=Groups,OU=Chicago,DC=sub,DC=domain,DC=com",
}
AUTHENTICATION_BACKENDS = (
'django_auth_ldap.backend.LDAPBackend',
'django.contrib.auth.backends.ModelBackend',
)
and my logs
search_s('OU=Users,OU=Users,OU=Chicago,DC=sub,DC=domain,DC=com', 2, '(uid=myuser)') returned 1 objects: CN=My User,OU=Users,OU=Users,OU=Chicago,DC=sub,DC=domain,DC=com
Populating Django user myuser
CN=My User,OU=Users,OU=Users,OU=Chicago,DC=sub,DC=domain,DC=com is a member of CN=SomeGroup,OU=Groups,OU=Chicago,DC=sub,DC=domain,DC=com
search_s('OU=Groups,OU=Chicago,DC=sub,DC=domain,DC=com', 2, '(&(objectClass=groupOfNames)(member=CN=My User,OU=Users,OU=Users,OU=Chicago,DC=sub,DC=domain,DC=com))') returned 0 objects:
Populating Django user profile for myuser
I found the answer. In the group search, i changed the filter to be objectClass=group instead of objectClass=groupOfNames. All is well.