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"""
Demo script for counting searching with OpenLDAP's no-op control
See https://www.python-ldap.org/ for project details.
This needs the following software:
Python
pyasn1
pyasn1-modules
python-ldap 2.4+
"""
import sys,ldap,ldapurl,getpass
from ldap.controls.openldap import SearchNoOpControl
SEARCH_TIMEOUT=30.0
try:
ldap_url = ldapurl.LDAPUrl(sys.argv[1])
except IndexError:
print('Usage: noopsearch.py <LDAP URL>')
sys.exit(1)
# Set debugging level
#ldap.set_option(ldap.OPT_DEBUG_LEVEL,255)
ldapmodule_trace_level = 2
ldapmodule_trace_file = sys.stderr
ldap_conn = ldap.ldapobject.LDAPObject(
ldap_url.initializeUrl(),
trace_level=ldapmodule_trace_level,
trace_file=ldapmodule_trace_file
)
if ldap_url.who and ldap_url.cred is None:
print('Password for %s:' % (repr(ldap_url.who)))
ldap_url.cred = getpass.getpass()
try:
ldap_conn.simple_bind_s(ldap_url.who or '',ldap_url.cred or '')
except ldap.INVALID_CREDENTIALS as e:
print('Simple bind failed:',str(e))
sys.exit(1)
try:
msg_id = ldap_conn.search_ext(
ldap_url.dn,
ldap_url.scope,
filterstr=ldap_url.filterstr or '(objectClass=*)',
attrlist=['1.1'],
timeout=SEARCH_TIMEOUT,
serverctrls=[SearchNoOpControl(criticality=True)],
)
_,_,_,search_response_ctrls = ldap_conn.result3(msg_id,all=1,timeout=SEARCH_TIMEOUT)
except (
ldap.TIMEOUT,
ldap.TIMELIMIT_EXCEEDED,
ldap.SIZELIMIT_EXCEEDED,
ldap.ADMINLIMIT_EXCEEDED) as e:
ldap_conn.abandon(msg_id)
sys.exit(1)
noop_srch_ctrl = [
c
for c in search_response_ctrls
if c.controlType==SearchNoOpControl.controlType
][0]
print('Number of search results: %d' % noop_srch_ctrl.numSearchResults)
print('Number of search continuations: %d' % noop_srch_ctrl.numSearchContinuations)
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