class AuthPacketChapTests(unittest.TestCase):
def setUp(self):
self.path = os.path.join(home, 'tests', 'data')
self.dict = Dictionary(os.path.join(self.path, 'chap'))
# self.packet = packet.Packet(id=0, secret=six.b('secret'),
# dict=self.dict)
self.client = Client(server='localhost', secret=six.b('secret'),
dict=self.dict)
def testVerifyChapPasswd(self):
chap_id = b'9'
chap_challenge = b'987654321'
chap_password = b'%s%s' % (chap_id, md5_constructor(
b'%s%s%s' % (
chap_id,
b'test_password',
chap_challenge
)).digest())
pkt = self.client.CreateAuthPacket(
code=packet.AccessChallenge,
authenticator=b'ABCDEFG',
User_Name='test_name',
CHAP_Challenge=chap_challenge,
CHAP_Password=chap_password
)
self.assertEqual(pkt['CHAP-Challenge'][0], chap_challenge)
self.assertEqual(pkt['CHAP-Password'][0], chap_password)
self.assertEqual(pkt.VerifyChapPasswd('test_password'), True)
def authenticate(self, username=None, password=None):
"""Authenticate against the RADIUS server"""
# Create a RADIUS client
radius_dict = Dictionary(settings.RADIUS_DICT)
client = Client(server=settings.RADIUS_HOST,
authport=settings.RADIUS_PORT,
secret=settings.RADIUS_SECRET.encode('utf-8'), # avoid UnicodeDecodeError
dict=radius_dict,
)
# Create a packet ...
req = client.CreateAuthPacket(code=pyrad.packet.AccessRequest,
User_Name=username.encode('utf-8'),
)
req["User-Password"] = req.PwCrypt(password)
# .. and send it
try:
reply = client.SendPacket(req)
except Exception as e:
# Something went wrong with the packet. Just fall through
return None
# Handle the reply
if reply.code == pyrad.packet.AccessReject:
# Access was rejected
return None
elif reply.code != pyrad.packet.AccessAccept:
# Some error
return None
else:
backend = self.__module__ + "." + self.__class__.__name__
user, created = get_or_create_user(backend, username)
return user
class RadiusSession:
"""
Class that controls a RADIUS authentication
session. Responsible for communicating with
the RADIUS server.
"""
def __init__(self, server_addr, secret):
""" Initialize the connection
"""
self.server_addr = server_addr
self.nas_identifier = self.server_addr
self.secret = secret.encode()
self.server = Client(server=self.server_addr,
secret=self.secret,
dict=Dictionary('/etc/ejabberd/dictionary'))
def auth(self, username, password):
""" Request for authentication
Returns True if successful, else False.
"""
request = self.server.CreateAuthPacket(
code=pyrad.packet.AccessRequest,
User_Name=username,
NAS_Identifier=self.nas_identifier)
request['User-Password'] = request.PwCrypt(password)
reply = self.server.SendPacket(request)
if reply.code == pyrad.packet.AccessAccept:
return True
else:
return False
def eap_auth(self, pkt):
# self.print_pkt(pkt)
print(binascii.b2a_hex(pkt["EAP-Message"][0]))
print(binascii.b2a_hex(pkt["Message-Authenticator"][0]))
print(binascii.b2a_hex(pkt.authenticator))
from pyrad.client import Client
import six
client = Client("172.16.110.4", secret=self.secret, dict=dictionary.Dictionary("dictionary"))
kwargs = dict()
new_pkt = client.CreateAuthPacket(code=packet.AccessRequest)
all_keys = ["User-Name", "NAS-Identifier", "NAS-IP-Address", "NAS-Port", "Framed-MTU", "NAS-Port-Type", "Called-Station-Id", "Calling-Station-Id"]
all_keys.append("EAP-Message")
all_keys.append("Message-Authenticator")
for key in pkt.keys():
if key in all_keys:
new_pkt[key] = pkt[key][0]
else:
print(key)
new_pkt.authenticator = pkt.authenticator
print(new_pkt.authenticator)
reply = client.SendPacket(new_pkt)
return self.SendReplyPacket(pkt.fd, reply)
reply = self.CreateReplyPacket(pkt)
reply.code = packet.AccessAccept
return self.SendReplyPacket(pkt.fd, reply)
def peers_alive(config):
from pyrad.client import Client
from pyrad.dictionary import Dictionary
radconfig = config['radius']
localconfig = config['local']
auth_OK = True
dictionary = Dictionary(localconfig['raddict'])
for server in radconfig['servers']:
srv = Client(server=server,
secret=str(radconfig['secret']),
dict=dictionary)
req = srv.CreateAuthPacket(code=pyrad.packet.AccessRequest,
User_Name=radconfig['username'],
NAS_Identifier="localhost")
req["User-Password"] = req.PwCrypt(radconfig['password'])
try:
reply = srv.SendPacket(req)
except pyrad.client.Timeout:
print "Could not contact:", server
auth_OK = False
if reply.code != 2:
print "Auth failed to", server
auth_OK = False
return auth_OK
def _radius_auth_func(self, server, **kwargs):
"""More private method used to authenticate a user and password against the current RADIUS server. Returns
False if the user is rejected, True if the user is accepted. Raises CurrentServerFailed if there was an
error with the request (such as a timeout)."""
try:
auth_port = self.server_dict[server]['auth_port']
secret = self.server_dict[server]['secret']
srv = Client(server=server,
authport=auth_port,
secret=secret,
dict=self.dictionary)
srv.timeout = self.server_timeout
if self.client_bind_ip is not None:
# Binding to port 0 is the official way to bind to a OS-assigned random port.
srv.bind((self.client_bind_ip, 0))
req = srv.CreateAuthPacket(code=pyrad.packet.AccessRequest,
User_Name=kwargs['user'],
NAS_Identifier=self.nas_identifier)
req["User-Password"] = req.PwCrypt(kwargs['password'])
reply = srv.SendPacket(req)
if reply.code == pyrad.packet.AccessAccept:
return True
else:
return False
except (pyrad.packet.PacketError, pyrad.client.Timeout, socket.error):
raise CurrentServerFailed
def authenticate_using_radius_server(self, request, callback):
"""Authenticate a subject using a RADIUS server."""
try:
root_dir = os.path.abspath(
os.path.join(_conf.install_location(), '..'))
client = Client(
server=self.sec_conf['authentication']['server_ip'],
secret=bytes(self.sec_conf['authentication']['secret']),
dict=Dictionary(
os.path.join(root_dir, "extras", "pyrad_dicts",
"dictionary"),
os.path.join(root_dir, "extras", "pyrad_dicts",
"dictionary.acc")))
req = client.CreateAuthPacket(code=pyrad.packet.AccessRequest,
User_Name=request['subject']['user'],
NAS_Identifier=self.node.id)
req["User-Password"] = req.PwCrypt(request['subject']['password'])
# FIXME: should not block here (use a callback instead)
reply = client.SendPacket(req)
if reply.code == pyrad.packet.AccessAccept:
_log.debug("Security: access accepted")
# Save attributes returned by server.
self._return_authentication_decision(
True, json.loads(reply["Reply-Message"][0]), callback)
return
_log.debug("Security: access denied")
self._return_authentication_decision(False, [], callback)
except Exception as err:
_log.error("Failed RADIUS authentication, err={}".format(err))
self._return_authentication_decision(False, [], callback)
def execute(self):
args = self.args
# pylint: disable=W0703
try:
username = args.get("username", "")
password = args.get("password", "")
rad_secret = args.get("secret", "").encode("utf-8")
identifier = args.get("identifier", "")
dictionary = args.get("dictionary", DEFAULT_DICTIONARY)
ip, _port = self.get_address()
srv = Client(server=ip,
secret=rad_secret,
dict=Dictionary(dictionary))
req = srv.CreateAuthPacket(
code=pyrad.packet.AccessRequest,
User_Name=username,
NAS_Identifier=identifier,
)
req["User-Password"] = req.PwCrypt(password)
srv.SendPacket(req)
except Exception as err:
return (
Event.DOWN,
"Failed connecting to %s: %s)" %
(self.get_address(), str(err)),
)
version = "FreeRadius 1.0" # Fetch from radiusmonitor later.
self.version = version
return Event.UP, "Radius: " + version
class nassim:
def __init__(self, host, port=None):
self.host = host
self.port = port
self.nas_ip_address = '192.168.155.93'
self.nas_port_type = 'virtual'
self.nas_called_station_id = '94.74.128.22'
self.nas_calling_station_id = '94.74.128.22'
self.frame_protocol = 'PPP'
self.service_type = 'Framed-User'
self.dictionary = Dictionary("dictionary", "dictionary")
self.interimupdate = 60
self.shared_secret = "testing123"
self.Nas_Identifier = "localhost"
self.srv = Client(server=constants.host,
secret="testing123",
dict=Dictionary("dictionary", "dictionary"))
self.userlist = []
def send_auth_packet(self):
user = User("bob", "passbob")
# req = self.srv.CreateAuthPacket(code=pyrad.packet.AccessRequest, User_Name="alice", NAS_Identifier="localhost")
req = self.srv.CreateAuthPacket(code=pyrad.packet.AccessRequest,
User_Name=user.username,
NAS_Identifier="localhost")
req["User-Password"] = req.PwCrypt(user.password)
reply = self.srv.SendPacket(req)
if reply.code == pyrad.packet.AccessAccept:
return True
return False
def login():
server = app.config['AUTH_SERVER']
secret = app.config['AUTH_SECRET']
nas_id = app.config['NAS_ID']
form = LoginForm()
if form.validate_on_submit():
srv = Client(server=server,
secret=secret,
dict=Dictionary("dictionary.py"))
#test account
if ('test' in form.username.data):
print("access accepted")
user = User.query.filter_by(username=form.username.data).first()
if user:
login_user(user, remember=form.remember.data)
else:
new_user = User(username=form.username.data)
db.session.add(new_user)
db.session.commit()
login_user(new_user, remember=form.remember.data)
logger.info('{}:{} created'.format(current_user.id,
new_user.username))
logger.info('{}:{} login'.format(current_user.username,
current_user.id))
return redirect(url_for('asset.invest_list'))
# create request
req = srv.CreateAuthPacket(code=pyrad.packet.AccessRequest,
User_Name=form.username.data,
NAS_Identifier=nas_id)
req["User-Password"] = req.PwCrypt(form.password.data)
# send request
reply = srv.SendPacket(req)
if reply.code == pyrad.packet.AccessAccept:
print("access accepted")
user = User.query.filter_by(username=form.username.data).first()
if user:
login_user(user, remember=form.remember.data)
else:
new_user = User(username=form.username.data)
db.session.add(new_user)
db.session.commit()
login_user(new_user, remember=form.remember.data)
return redirect(url_for('asset.invest_list'))
else:
print("access denied")
flash('用户名或密码错误，请重新登陆')
return redirect(url_for('auth.login'))
print("Attributes returned by server:")
for i in reply.keys():
print("%s: %s" % (i, reply[i]))
return render_template('auth/login.html', form=form)
def __init__(self, user, password, log):
client = Client(server=os.environ.get('RADIUS_SERVER'),
secret=os.environ.get('RADIUS_SECRET').encode('ascii'),
dict=Dictionary('dictionary'))
req = client.CreateAuthPacket(code=pyrad.packet.AccessRequest,
User_Name=user)
req['User-Password'] = req.PwCrypt(password)
reply = client.SendPacket(req)
self.auth = reply.code
self.log = log
def check_auth(self, username, password, allowed_roles, resource, method):
srv = Client(server="192.168.137.200",
secret="wowsuchsecret",
dict=Dictionary("/usr/share/freeradius/dictionary"))
req = srv.CreateAuthPacket(code=pyrad.packet.AccessRequest,
User_Name=username,
NAS_Identifier="")
req["Password"] = req.PwCrypt(password)
reply = srv.SendPacket(req)
return reply.code == pyrad.packet.AccessAccept
def authenticate(cls, form):
"""
Authenticates to the configured RADIUS server.
"""
try:
username = unicode(form['username'].split('@', 1)[0].strip())
except Exception:
flash("{field} is required.".format(
field=cls.inputs['username']['label']))
log.error("Username field missing from authentication form!")
return None, False
try:
password = unicode(form['password'])
except Exception:
flash("{field} is required.".format(
field=cls.inputs['password']['label']))
log.error("Password field missing from authentication form!")
return username, False
srv = Client(server=cls.config.radius_server,
secret=cls.config.radius_secret,
dict=Dictionary(dict=cls.config.radius_dictionary))
req = srv.CreateAuthPacket(code=pyrad.packet.AccessRequest)
req["User-Name"] = username
req["User-Password"] = req.PwCrypt(password)
req["NAS-Identifier"] = cls.config.radius_nas_identifier
# The IP address config option could be made optional
# and determined from radius_nas_identifier
req["NAS-IP-Address"] = cls.config.radius_nas_ip_address
log.debug(
"Attempting radius auth: Server: {server}; User-Name: {user}; "
"NAS-Identifier {nasid}; NAS-IP: {nasip}; Dictionary {dict}".
format(server=srv.server,
user=req["User-Name"],
nasid=req["NAS-Identifier"],
nasip=req["NAS-IP-Address"],
dict=cls.config.radius_dictionary))
try:
reply = srv.SendPacket(req)
except pyrad.client.Timeout:
flash('An error has occurred. Please try again.')
log.error(
"Connection to radius server timed out. This may "
"be caused by incorrect sever settings. Check the radius "
"server logs for more information. {err}".format(
err=format_exc()))
return username, False
except Exception:
flash('An error has occurred. Please try again.')
log.error(
"Radius server connect failed. {err}".format(err=format_exc()))
return username, False
return username, reply.code == pyrad.packet.AccessAccept
def test_user_connection(self, username, password):
""" Method used to perform test search over RADIUS Repository
:param username: String with username
:param password: String with password
"""
logger.debug("Radius_authentication_test::Trying to authenticate username {}".format(username.encode('utf-8')))
response = {
'status': None,
'reason': None
}
try:
# Create client
srv = Client(server=self.host, secret=self.secret,
dict=Dictionary(DICTIONARY_PATH))
srv.retries = self.max_retry
srv.timeout = self.max_timeout
# create request
req = srv.CreateAuthPacket(code=pyrad.packet.AccessRequest,
User_Name=username, NAS_Identifier=self.nas_id)
req["Password"] = req.PwCrypt(password)
# send request
reply = srv.SendPacket(req)
logger.debug("Radius_authentication_test:: Username:{}, return code:{}".format(username, reply.code))
msg = ""
if reply.code == pyrad.packet.AccessAccept:
response['status'] = True
logger.info("RADIUS::Auth: Authentication succeed for user {}".format(username))
for key, item in reply.iteritems():
msg += str(key) + ":" + str(item)
else:
response['status'] = False
msg = "Authentication failed"
logger.info("RADIUS::Auth: Authentication failure for user {}".format(username))
response['reason'] = msg
except Timeout:
response['status'] = False
logger.info("RADIUS::Auth: Authentication failure for user {} : Timeout expired while connecting".format(username))
response['reason'] = "Timeout expired while connecting"
except Exception as e:
response['status'] = False
logger.error("Radius_authentication_test::Unable to authenticate username:{}, exception:{}".format(username, str(e)))
response['reason'] = "Exception : " + str(e)
return response
def request(config, user, password):
"""
Perform a RADIUS request to a RADIUS server.
The RADIUS configuration contains the IP address, the port and the
secret of the RADIUS server.
* config.server
* config.port
* config.secret
:param config: The RADIUS configuration
:type config: RADIUSServer Database Model
:param user: the radius username
:param password: the radius password
:return: True or False. If any error occurs, an exception is raised.
"""
success = False
nas_identifier = get_from_config("radius.nas_identifier",
"privacyIDEA")
r_dict = config.dictionary or get_from_config(
"radius.dictfile", "/etc/privacyidea/"
"dictionary")
log.debug("NAS Identifier: %r, "
"Dictionary: %r" % (nas_identifier, r_dict))
log.debug("constructing client object "
"with server: %r, port: %r, secret: %r" %
(config.server, config.port, config.secret))
srv = Client(server=config.server,
authport=config.port,
secret=decryptPassword(config.secret),
dict=Dictionary(r_dict))
req = srv.CreateAuthPacket(
code=pyrad.packet.AccessRequest,
User_Name=user.encode('ascii'),
NAS_Identifier=nas_identifier.encode('ascii'))
req["User-Password"] = req.PwCrypt(password)
response = srv.SendPacket(req)
if response.code == pyrad.packet.AccessAccept:
log.info("Radiusserver %s granted "
"access to user %s." % (config.server, user))
success = True
else:
log.warning("Radiusserver %s"
"rejected access to user %s." % (config.server, user))
return success
def login(self):
srv = Client(server=self.server, secret=self.secret, dict=Dictionary("dictionary"))
req = srv.CreateAuthPacket(code=pyrad.packet.AccessRequest, User_Name=self.username)
req["User-Password"] = req.PwCrypt(self.password)
t = Thread(target=self.authandacct(srv,req))
t.daemon = True
t.start()
if(self.request == 'auth'):
print("Start :",time.strftime("%d/%m/%Y"),time.strftime("%H:%M:%S"))
print("Request type : ",self.request)
print("Sessions transmitted : ", self.session)
print("Responses received : ", self.success)
print("Responses received rate: %s %% " % (self.success/self.session*100))
print("Timeout %.4s seconds " % (time.time() - start_time))
def authenticate(self, username, password, **kwargs):
# """Authentication method of LDAP repository, which returns dict of specified attributes:their values
# :param username: String with username
# :param password: String with password
# :param oauth2_attributes: List of attributes to retrieve
# :return: None and raise if failure, server message otherwise
# """
logger.debug("Trying to authenticate username {}".format(username.encode('utf-8')))
# try:
# Create client
srv = Client(server=self.host, secret=self.secret,
dict=Dictionary(DICTIONARY_PATH))
srv.retries = self.max_retry
srv.timeout = self.max_timeout
# create request
req = srv.CreateAuthPacket(code=pyrad.packet.AccessRequest,
User_Name=username, NAS_Identifier=self.nas_id)
req["Password"] = req.PwCrypt(password)
# send request
reply = srv.SendPacket(req)
logger.debug("Radius authentication username:{}, return code : {}".format(username, reply.code))
if reply.code == pyrad.packet.AccessAccept:
ret = ""
for key, item in reply.iteritems():
ret += str(key) + ":" + str(item)
else:
logger.error("RADIUS_CLI::authenticate: Authentication failure for user '{}'".format(username))
raise AuthenticationError("Authentication failure on Radius backend for user '{}'".format(username))
logger.debug("RADIUS_CLI::authenticate: Authentication reply from server : '{}'".format(ret))
logger.info("RADIUS_CLI::authenticate: Autentication succeed for user '{}'".format(username))
# except Timeout:
# raise Timeout
# except Exception, e:
# logger.error("Unable to authenticate username {} : exception : {}".format(username, str(e)))
return {
'dn': username,
'user_phone': 'N/A',
'user_email': 'N/A',
'password_expired': False,
'account_locked': False
}
class OtherTests(unittest.TestCase):
def setUp(self):
self.server = object()
self.client = Client(self.server, secret=six.b('zeer geheim'))
def testCreateAuthPacket(self):
packet = self.client.CreateAuthPacket(id=15)
self.failUnless(isinstance(packet, AuthPacket))
self.failUnless(packet.dict is self.client.dict)
self.assertEqual(packet.id, 15)
self.assertEqual(packet.secret, six.b('zeer geheim'))
def testCreateAcctPacket(self):
packet = self.client.CreateAcctPacket(id=15)
self.failUnless(isinstance(packet, AcctPacket))
self.failUnless(packet.dict is self.client.dict)
self.assertEqual(packet.id, 15)
self.assertEqual(packet.secret, six.b('zeer geheim'))
def authenticate(self, user=None, password=None, **kwargs):
radius_server = config.login.radius_server
radius_secret = config.login.radius_secret
client = Client(server=radius_server,
secret=radius_secret,
dict=self.RADIUS_DICT)
req = client.CreateAuthPacket(code=AccessRequest,
User_Name=user,
NAS_Identifier="noc")
req["User-Password"] = req.PwCrypt(password)
try:
reply = client.SendPacket(req)
except client.Timeout:
raise self.LoginError("Timed out")
if reply.code != AccessAccept:
raise self.LoginError("RADIUS Authentication failed. Code=%s",
reply.code)
return user
def pwd_authenticate(authenticator_id, login, password, source):
'''
Passsword authentication against RADIUS
:param authenticator_id: Authentication ID to be used.
:param login:
:param password:
:param source: Source that is asking for authentication. Used for error notifications
:returns: Effective authenticator ID
:raises AuthenticationFailed: when auth failed. May contain an error message (Reply Message sent back from RADIUS)
'''
srv = Client(
server="127.0.0.1",
authport=18122,
secret=b'a2e4t6u8qmlskdvcbxnw',
dict=Dictionary("/elan-agent/authentication/pyradius/dictionary"))
req = srv.CreateAuthPacket(
code=pyrad.packet.AccessRequest,
User_Name=login,
Connect_Info='authenticator={},source={},command=authenticate'.format(
authenticator_id, source))
req["User-Password"] = req.PwCrypt(password)
try:
reply = srv.SendPacket(req)
except Timeout:
raise RequestTimeout
except Exception as e:
raise RequestError(e)
if reply.code == pyrad.packet.AccessAccept:
if 'Reply-Message' in reply:
m = re.search('provider=(?P<provider_id>\d+)',
reply['Reply-Message'][0])
if m:
authenticator_id = m.group('provider_id')
return authenticator_id
errors = []
if 'Reply-Message' in reply:
errors = reply['Reply-Message']
raise AuthenticationFailed(*errors)
def can_auth(config, username, password):
"""
Performs authentication against a RADIUS server.
"""
log = logging.getLogger('radius_source.can_auth')
log.debug("Attempting RADIUS auth to %s for user %s" % (
config['rad_server'],
username,
))
processed_user = ldap_source.get_auth_username(config, username)
# Create a RADIUS client to communicate with the server.
srv = Client(
server=config['rad_server'],
secret=config['rad_secret'],
dict=Dictionary(config['rad_dictionary']),
)
req = srv.CreateAuthPacket(
code=pyrad.packet.AccessRequest,
User_Name=processed_user,
NAS_Identifier=gethostname(),
)
req['User-Password'] = req.PwCrypt(password)
try:
reply = srv.SendPacket(req)
except Exception:
log.exception("Problem contacting RADIUS server")
return False
if reply.code == pyrad.packet.AccessAccept:
log.info("User %s accepted by RADIUS" % (username, ))
return True
log.info("User %s rejected by RADIUS" % (username, ))
return False
def _connect_radius(host, port, config, toolbox):
"""Spin up test client and send a Status-Server packet to check if we can reach the radius server"""
secret = config.get_protected_str('secret_protected', 'secret').encode()
client = Client(server=host,
authport=port,
secret=secret,
dict=base.radius_dictionary())
client.timeout = const.DEFAULT_RADIUS_RETRY_WAIT
request = client.CreateAuthPacket(code=pyrad.packet.StatusServer)
# The request must contain a message authenticator.
request.add_message_authenticator()
try:
nas_ip = config.get_str('nas_ip')
except ConfigError:
nas_ip = util.get_authproxy_ip()
request.AddAttribute('NAS-IP-Address', nas_ip)
return toolbox.test_connect_radius(client, request)
def get_authorization(authenticator_id, login, source):
srv = Client(
server="127.0.0.1",
authport=18122,
secret=b'a2e4t6u8qmlskdvcbxnw',
dict=Dictionary("/elan-agent/authentication/pyradius/dictionary"))
req = srv.CreateAuthPacket(
code=pyrad.packet.AccessRequest,
User_Name=login,
Connect_Info='authenticator={},source={},command=authorize'.format(
authenticator_id, source))
reply = srv.SendPacket(req)
authz = {}
for attr in reply.get(18, []): # 18 -> Reply-Message
key, value = attr.split('=', 1)
if key == 'ELAN-Auth-Provider':
key = 'provider'
authz[key] = value
return authz
from pyrad.client import Client
from pyrad.dictionary import Dictionary
import pyrad.packet
from secrets import token_hex
import getpass
SERVER = "localhost"
USERNAME = "******"
PASSWORD = getpass.getpass(prompt="Enter the password for {}: ".format(USERNAME))
RADIUS_SECRET = b"$upers3cret"
srv = Client(server=SERVER, secret=RADIUS_SECRET, dict=Dictionary("dictionary"))
# create request
req = srv.CreateAuthPacket(code=pyrad.packet.AccessRequest, User_Name=USERNAME, NAS_Identifier="localhost")
req["User-Password"] = req.PwCrypt(PASSWORD)
req["Proxy-State"] = token_hex(8).encode("ascii")
# send request
reply = srv.SendPacket(req)
if reply.code == pyrad.packet.AccessAccept:
print("access accepted")
else:
print("access denied")
print("Attributes returned by server:")
for i in reply.keys():
print("%s: %s" % (i, reply[i]))
def do_request(self, user, password, options=None):
"""
run the radius request against the remote host
:param user: the requesting user (required)
:param password: the password which should be checked on the remote
host
:param options: dict which provides additional request parameter. e.g
for challenge response
:return: Tuple of (success, and reply=remote response)
"""
reply = {}
res = False
for server in self.config.keys():
server_config = self.config[server]
radiusServer = server_config['netloc']
radiusUser = user.login
# Read the secret!!! - currently in plain text
radiusSecret = server_config['secret']
# here we also need to check for radius.user
log.debug("Checking OTP len:%s on radius server %s,"
"User: %s", len(password), radiusServer, radiusUser)
try:
# pyrad does not allow to set timeout and retries.
# it defaults to retries=3, timeout=5
server = radiusServer.split(':')
r_server = server[0]
r_authport = 1812
nas_identifier = self.sysconfig.get("radius.nas_identifier",
"LinOTP")
r_dict = self.sysconfig.get("radius.dictfile",
"/etc/linotp2/dictionary")
if len(server) >= 2:
r_authport = int(server[1])
log.debug("Radius: NAS Identifier: %r, "
"Dictionary: %r", nas_identifier, r_dict)
log.debug(
"Radius: constructing client object "
"with server: %r, port: %r, secret: %r", r_server,
r_authport, radiusSecret)
srv = Client(server=r_server,
authport=r_authport,
secret=radiusSecret,
dict=Dictionary(r_dict))
req = srv.CreateAuthPacket(code=pyrad.packet.AccessRequest,
User_Name=radiusUser.\
encode('ascii'),
NAS_Identifier=nas_identifier.\
encode('ascii'))
req["User-Password"] = req.PwCrypt(password)
if "transactionid" in options or 'state' in options:
req["State"] = str(
options.get('transactionid', options.get('state')))
response = srv.SendPacket(req)
if response.code == pyrad.packet.AccessChallenge:
opt = {}
for attr in response.keys():
opt[attr] = response[attr]
res = False
log.debug("Radius: challenge returned %r ", opt)
# now we map this to a linotp challenge
if "State" in opt:
reply["transactionid"] = opt["State"][0]
if "Reply-Message" in opt:
reply["message"] = opt["Reply-Message"][0]
elif response.code == pyrad.packet.AccessAccept:
log.info("Radius: Server %s granted "
"access to user %s.", r_server, radiusUser)
res = True
else:
log.warning(
"Radius: Server %s"
"rejected access to user %s.", r_server, radiusUser)
res = False
# we break the servers look if one request ended up here
break
except Exception as ex:
log.exception("Error contacting " "radius Server: %r", ex)
return (res, reply)
def _check_radius(self, otpval, options=None, radius_state=None):
"""
run the RADIUS request against the RADIUS server
:param otpval: the OTP value
:param options: additional token specific options
:type options: dict
:return: counter of the matching OTP value.
:rtype: AccessAccept, AccessReject, AccessChallenge
"""
result = AccessReject
radius_message = None
if options is None:
options = {}
radius_dictionary = None
radius_identifier = self.get_tokeninfo("radius.identifier")
radius_user = self.get_tokeninfo("radius.user")
system_radius_settings = self.get_tokeninfo("radius.system_settings")
radius_timeout = 5
radius_retries = 3
if radius_identifier:
# New configuration
radius_server_object = get_radius(radius_identifier)
radius_server = radius_server_object.config.server
radius_port = radius_server_object.config.port
radius_server = u"{0!s}:{1!s}".format(radius_server, radius_port)
radius_secret = radius_server_object.get_secret()
radius_dictionary = radius_server_object.config.dictionary
radius_timeout = int(radius_server_object.config.timeout or 10)
radius_retries = int(radius_server_object.config.retries or 1)
elif system_radius_settings:
# system configuration
radius_server = get_from_config("radius.server")
radius_secret = get_from_config("radius.secret")
else:
# individual token settings
radius_server = self.get_tokeninfo("radius.server")
# Read the secret
secret = self.token.get_otpkey()
radius_secret = binascii.unhexlify(secret.getKey())
# here we also need to check for radius.user
log.debug(u"checking OTP len:{0!s} on radius server: "
u"{1!s}, user: {2!r}".format(len(otpval), radius_server,
radius_user))
try:
# pyrad does not allow to set timeout and retries.
# it defaults to retries=3, timeout=5
# TODO: At the moment we support only one radius server.
# No round robin.
server = radius_server.split(':')
r_server = server[0]
r_authport = 1812
if len(server) >= 2:
r_authport = int(server[1])
nas_identifier = get_from_config("radius.nas_identifier",
"privacyIDEA")
if not radius_dictionary:
radius_dictionary = get_from_config(
"radius.dictfile", "/etc/privacyidea/dictionary")
log.debug(u"NAS Identifier: %r, "
u"Dictionary: %r" % (nas_identifier, radius_dictionary))
log.debug(u"constructing client object "
u"with server: %r, port: %r, secret: %r" %
(r_server, r_authport, to_unicode(radius_secret)))
srv = Client(server=r_server,
authport=r_authport,
secret=to_bytes(radius_secret),
dict=Dictionary(radius_dictionary))
# Set retries and timeout of the client
srv.timeout = radius_timeout
srv.retries = radius_retries
req = srv.CreateAuthPacket(
code=pyrad.packet.AccessRequest,
User_Name=radius_user.encode('utf-8'),
NAS_Identifier=nas_identifier.encode('ascii'))
req["User-Password"] = req.PwCrypt(otpval)
if radius_state:
req["State"] = radius_state
log.info(
u"Sending saved challenge to radius server: {0!r} ".format(
radius_state))
try:
response = srv.SendPacket(req)
except Timeout:
log.warning(
u"The remote RADIUS server {0!s} timeout out for user {1!s}."
.format(r_server, radius_user))
return AccessReject
# handle the RADIUS challenge
if response.code == pyrad.packet.AccessChallenge:
# now we map this to a privacyidea challenge
if "State" in response:
radius_state = response["State"][0]
if "Reply-Message" in response:
radius_message = response["Reply-Message"][0]
result = AccessChallenge
elif response.code == pyrad.packet.AccessAccept:
radius_state = '<SUCCESS>'
radius_message = 'RADIUS authentication succeeded'
log.info(u"RADIUS server {0!s} granted "
u"access to user {1!s}.".format(
r_server, radius_user))
result = AccessAccept
else:
radius_state = '<REJECTED>'
radius_message = 'RADIUS authentication failed'
log.debug(u'radius response code {0!s}'.format(response.code))
log.info(u"Radiusserver {0!s} "
u"rejected access to user {1!s}.".format(
r_server, radius_user))
result = AccessReject
except Exception as ex: # pragma: no cover
log.error("Error contacting radius Server: {0!r}".format((ex)))
log.info("{0!s}".format(traceback.format_exc()))
options.update({'radius_result': result})
options.update({'radius_state': radius_state})
options.update({'radius_message': radius_message})
return result
path_to_dictionary = os.path.join(currentdir,'..',"dictionary")
def SendPacket(srv, req):
try:
reply = srv.SendPacket(req)
except pyrad.client.Timeout:
print("ERROR: RADIUS server does not reply")
sys.exit(1)
except socket.error as error:
print("ERROR: Network error: " + error[1])
sys.exit(1)
else:
if reply.code == pyrad.packet.AccessAccept:
print("Access accepted")
else:
print("ERROR: Access denied")
print(reply)
srv = Client(server="127.0.0.1", secret=b"56rmkuri92d8a0wvi9divyxvn1nku3", dict=Dictionary(path_to_dictionary))
req = srv.CreateAuthPacket(code=pyrad.packet.AccessRequest, User_Name="VZJ9VTB662KI7F1ZHFF8YBW8PNV1ECEQD3FZAMSY")
req["User-Password"] = req.PwCrypt("GHRZ88B1QMWPV6GKI91DHZFTZBKC0NDZBMVKJ36R")
req["Calling-Station-Id"] = "f2:ff:11:22:33:44"
SendPacket(srv,req)
def check_otp(self, otpval, counter=None, window=None, options=None):
"""
run the RADIUS request against the RADIUS server
:param otpval: the OTP value
:param counter: The counter for counter based otp values
:type counter: int
:param window: a counter window
:type counter: int
:param options: additional token specific options
:type options: dict
:return: counter of the matching OTP value.
:rtype: int
"""
otp_count = -1
options = options or {}
radius_dictionary = None
radius_identifier = self.get_tokeninfo("radius.identifier")
radius_user = self.get_tokeninfo("radius.user")
system_radius_settings = self.get_tokeninfo("radius.system_settings")
if radius_identifier:
# New configuration
radius_server_object = get_radius(radius_identifier)
radius_server = radius_server_object.config.server
radius_port = radius_server_object.config.port
radius_server = "{0!s}:{1!s}".format(radius_server, radius_port)
radius_secret = radius_server_object.get_secret()
radius_dictionary = radius_server_object.config.dictionary
elif system_radius_settings:
# system configuration
radius_server = get_from_config("radius.server")
radius_secret = get_from_config("radius.secret")
# Is returned as unicode, so we convert it to utf-8
radius_secret = radius_secret.encode("utf-8")
else:
# individual token settings
radius_server = self.get_tokeninfo("radius.server")
# Read the secret
secret = self.token.get_otpkey()
radius_secret = binascii.unhexlify(secret.getKey())
# here we also need to check for radius.user
log.debug(
"checking OTP len:{0!s} on radius server: {1!s}, user: {2!r}".
format(len(otpval), radius_server, radius_user))
try:
# pyrad does not allow to set timeout and retries.
# it defaults to retries=3, timeout=5
# TODO: At the moment we support only one radius server.
# No round robin.
server = radius_server.split(':')
r_server = server[0]
r_authport = 1812
if len(server) >= 2:
r_authport = int(server[1])
nas_identifier = get_from_config("radius.nas_identifier",
"privacyIDEA")
if not radius_dictionary:
radius_dictionary = get_from_config(
"radius.dictfile", "/etc/privacyidea/"
"dictionary")
log.debug("NAS Identifier: %r, "
"Dictionary: %r" % (nas_identifier, radius_dictionary))
log.debug("constructing client object "
"with server: %r, port: %r, secret: %r" %
(r_server, r_authport, radius_secret))
srv = Client(server=r_server,
authport=r_authport,
secret=radius_secret,
dict=Dictionary(radius_dictionary))
req = srv.CreateAuthPacket(
code=pyrad.packet.AccessRequest,
User_Name=radius_user.encode('ascii'),
NAS_Identifier=nas_identifier.encode('ascii'))
req["User-Password"] = req.PwCrypt(otpval)
if "transactionid" in options:
req["State"] = str(options.get("transactionid"))
response = srv.SendPacket(req)
c = response.code
# TODO: handle the RADIUS challenge
"""
if response.code == pyrad.packet.AccessChallenge:
opt = {}
for attr in response.keys():
opt[attr] = response[attr]
res = False
log.debug("challenge returned %r " % opt)
# now we map this to a privacyidea challenge
if "State" in opt:
reply["transactionid"] = opt["State"][0]
if "Reply-Message" in opt:
reply["message"] = opt["Reply-Message"][0]
"""
if response.code == pyrad.packet.AccessAccept:
log.info("Radiusserver %s granted "
"access to user %s." % (r_server, radius_user))
otp_count = 0
else:
log.warning("Radiusserver %s"
"rejected access to user %s." %
(r_server, radius_user))
except Exception as ex: # pragma: no cover
log.error("Error contacting radius Server: {0!r}".format((ex)))
log.debug("{0!s}".format(traceback.format_exc()))
return otp_count
#!/usr/bin/python
import socket, sys
import pyrad.packet
from pyrad.client import Client
from pyrad.dictionary import Dictionary
srv = Client(server="localhost",
secret="Kah3choteereethiejeimaeziecumi",
dict=Dictionary("dictionary"))
req = srv.CreateAuthPacket(code=pyrad.packet.AccessRequest,
User_Name="wichert")
req["NAS-IP-Address"] = "192.168.1.10"
req["NAS-Port"] = 0
req["Service-Type"] = "Login-User"
req["NAS-Identifier"] = "trillian"
req["Called-Station-Id"] = "00-04-5F-00-0F-D1"
req["Calling-Station-Id"] = "00-01-24-80-B3-9C"
req["Framed-IP-Address"] = "10.0.0.100"
try:
print "Sending authentication request"
reply = srv.SendPacket(req)
except pyrad.client.Timeout:
print "RADIUS server does not reply"
sys.exit(1)
except socket.error, error:
print "Network error: " + error[1]
sys.exit(1)
def do_request(self, anOtpVal, transactionid=None, user=None):
'''
Here we contact the Radius Server to verify the pass
'''
reply = {}
res = False
otp_count = -1
radiusServer = self.getFromTokenInfo("radius.server")
radiusUser = self.getFromTokenInfo("radius.user")
# Read the secret!!!
secObj = self._get_secret_object()
radiusSecret = binascii.unhexlify(secObj.getKey())
if radiusSecret == VOID_RADIUS_SECRET:
log.warning("Usage of default radius secret is not recomended!!")
# here we also need to check for radius.user
log.debug("[do_request] checking OTP len:%s on radius server: %s,"
" user: %s" % (len(anOtpVal), radiusServer, radiusUser))
try:
# pyrad does not allow to set timeout and retries.
# it defaults to retries=3, timeout=5
# TODO: At the moment we support only one radius server.
# No round robin.
server = radiusServer.split(':')
r_server = server[0]
r_authport = 1812
nas_identifier = env.get("radius.nas_identifier", "LinOTP")
r_dict = env.get("radius.dictfile", "/etc/linotp2/dictionary")
if len(server) >= 2:
r_authport = int(server[1])
log.debug("[do_request] [RadiusToken] NAS Identifier: %r, "
"Dictionary: %r" % (nas_identifier, r_dict))
log.debug("[do_request] [RadiusToken] constructing client object "
"with server: %r, port: %r, secret: %r" %
(r_server, r_authport, radiusSecret))
srv = Client(server=r_server,
authport=r_authport,
secret=radiusSecret,
dict=Dictionary(r_dict))
req = srv.CreateAuthPacket(code=pyrad.packet.AccessRequest,
User_Name=radiusUser.encode('ascii'),
NAS_Identifier=nas_identifier.encode('ascii'))
req["User-Password"] = req.PwCrypt(anOtpVal)
if transactionid is not None:
req["State"] = str(transactionid)
response = srv.SendPacket(req)
if response.code == pyrad.packet.AccessChallenge:
opt = {}
for attr in response.keys():
opt[attr] = response[attr]
res = False
log.debug("challenge returned %r " % opt)
# now we map this to a linotp challenge
if "State" in opt:
reply["transactionid"] = opt["State"][0]
if "Reply-Message" in opt:
reply["message"] = opt["Reply-Message"][0]
# preserve challenge reply for later
self.isRemoteChallengeRequest = True
self.remote_challenge_response = reply
elif response.code == pyrad.packet.AccessAccept:
log.info("[do_request] [RadiusToken] Radiusserver %s granted "
"access to user %s." % (r_server, radiusUser))
otp_count = 0
res = True
else:
log.warning("[do_request] [RadiusToken] Radiusserver %s"
"rejected access to user %s." %
(r_server, radiusUser))
res = False
except Exception as ex:
log.exception(
"[do_request] [RadiusToken] Error contacting radius Server: %r" % (ex))
return (res, otp_count, reply)
