mirror of
https://gitlab2.federez.net/re2o/re2o
synced 2024-11-22 19:33:11 +00:00
269 lines
9 KiB
Python
269 lines
9 KiB
Python
# -*- mode: python; coding: utf-8 -*-
|
|
# Re2o est un logiciel d'administration développé initiallement au Rézo Metz. Il
|
|
# se veut agnostique au réseau considéré, de manière à être installable en
|
|
# quelques clics.
|
|
#
|
|
# Copyright © 2020 Corentin Canebier
|
|
#
|
|
# This program 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 2 of the License, or
|
|
# (at your option) any later version.
|
|
#
|
|
# This program 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 this program; if not, write to the Free Software Foundation, Inc.,
|
|
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
|
|
|
|
from rest_framework.decorators import api_view
|
|
from rest_framework.response import Response
|
|
from django.db.models import Q
|
|
from django.http import HttpResponse
|
|
from django.forms import ValidationError
|
|
from django.contrib.auth.decorators import login_required
|
|
|
|
from . import serializers
|
|
from machines.models import Domain, IpList, Interface, Nas, Machine
|
|
from users.models import User
|
|
from preferences.models import RadiusOption
|
|
from topologie.models import Port, Switch
|
|
from re2o.acl import can_view_all_api, can_edit_all_api, can_create_api
|
|
|
|
|
|
class AuthorizeResponse:
|
|
"""Contains objects the radius needs for the Authorize step"""
|
|
|
|
def __init__(self, nas, user):
|
|
self.nas = nas
|
|
self.user = user
|
|
|
|
def can_view(self, user):
|
|
"""Method to bypass api permissions, because we are using ACL decorators"""
|
|
return (True, None, None)
|
|
|
|
|
|
@api_view(["GET"])
|
|
@login_required
|
|
@can_view_all_api(Interface, Domain, IpList, Nas, User)
|
|
def authorize(request, nas_id, username):
|
|
"""Return objects the radius needs for the Authorize step
|
|
|
|
Parameters:
|
|
nas_id (string): NAS name or ipv4
|
|
username (string): username of the user who is trying to connect
|
|
|
|
Return:
|
|
AuthorizeResponse: contains all required informations
|
|
"""
|
|
|
|
# get the Nas object which made the request (if exists)
|
|
nas_interface = Interface.objects.filter(
|
|
Q(domain__name=nas_id) | Q(ipv4__ipv4=nas_id)
|
|
).first()
|
|
nas_type = None
|
|
if nas_interface:
|
|
nas_type = Nas.objects.filter(nas_type=nas_interface.machine_type).first()
|
|
|
|
# get the User corresponding to the username in the URL
|
|
# If no username was provided (wired connection), username="None"
|
|
user = User.objects.filter(pseudo__iexact=username).first()
|
|
|
|
serialized = serializers.AuthorizeResponseSerializer(
|
|
AuthorizeResponse(nas_type, user)
|
|
)
|
|
|
|
return Response(data=serialized.data)
|
|
|
|
|
|
class PostAuthResponse:
|
|
"""Contains objects the radius needs for the Post-Auth step"""
|
|
|
|
def __init__(
|
|
self,
|
|
nas,
|
|
room_users,
|
|
port,
|
|
port_profile,
|
|
switch,
|
|
user,
|
|
user_interface,
|
|
radius_option,
|
|
EMAIL_STATE_UNVERIFIED,
|
|
RADIUS_OPTION_REJECT,
|
|
USER_STATE_ACTIVE,
|
|
):
|
|
self.nas = nas
|
|
self.room_users = room_users
|
|
self.port = port
|
|
self.port_profile = port_profile
|
|
self.switch = switch
|
|
self.user = user
|
|
self.user_interface = user_interface
|
|
self.radius_option = radius_option
|
|
self.EMAIL_STATE_UNVERIFIED = EMAIL_STATE_UNVERIFIED
|
|
self.RADIUS_OPTION_REJECT = RADIUS_OPTION_REJECT
|
|
self.USER_STATE_ACTIVE = USER_STATE_ACTIVE
|
|
|
|
def can_view(self, user):
|
|
"""Method to bypass api permissions, because we are using ACL decorators"""
|
|
return (True, None, None)
|
|
|
|
|
|
@api_view(["GET"])
|
|
@login_required
|
|
@can_view_all_api(Interface, Domain, IpList, Nas, Switch, Port, User)
|
|
def post_auth(request, nas_id, nas_port, user_mac, username):
|
|
"""Return objects the radius needs for the Post-Auth step
|
|
|
|
Parameters:
|
|
nas_id (string): NAS name or ipv4
|
|
nas_port (string): NAS port from wich the request came. Work with Cisco, HP and Juniper convention
|
|
user_mac (string): mac address of the device which is trying to connect
|
|
username (string): username of the user who is trying to connect
|
|
|
|
Return:
|
|
PostAuthResponse: contains all required informations
|
|
"""
|
|
|
|
# get the Nas object which made the request (if exists)
|
|
nas_interface = (
|
|
Interface.objects.prefetch_related("machine__switch__stack")
|
|
.filter(Q(domain__name=nas_id) | Q(ipv4__ipv4=nas_id))
|
|
.first()
|
|
)
|
|
nas_type = None
|
|
if nas_interface:
|
|
nas_type = Nas.objects.filter(nas_type=nas_interface.machine_type).first()
|
|
|
|
# get the switch (if wired connection)
|
|
switch = None
|
|
if nas_interface:
|
|
switch = Switch.objects.filter(machine_ptr=nas_interface.machine).first()
|
|
|
|
# If the switch is part of a stack, get the correct object
|
|
if hasattr(nas_interface.machine, "switch"):
|
|
stack = nas_interface.machine.switch.stack
|
|
if stack:
|
|
# For Juniper, the result looks something like this: NAS-Port-Id = "ge-0/0/6.0""
|
|
# For other brands (e.g. HP or Mikrotik), the result usually looks like: NAS-Port-Id = "6.0"
|
|
# This "magic split" handles both cases
|
|
# Cisco can rot in Hell for all I care, so their format is not supported (it looks like NAS-Port-ID = atm 31/31/7:255.65535 guangzhou001/0/31/63/31/127)
|
|
id_stack_member = nas_port.split("-")[1].split("/")[0]
|
|
switch = (
|
|
Switch.objects.filter(stack=stack)
|
|
.filter(stack_member_id=id_stack_member)
|
|
.first()
|
|
)
|
|
|
|
# get the switch port
|
|
port = None
|
|
if nas_port and nas_port != "None":
|
|
# magic split (see above)
|
|
port_number = nas_port.split(".")[0].split("/")[-1][-2:]
|
|
port = Port.objects.filter(switch=switch, port=port_number).first()
|
|
|
|
port_profile = None
|
|
if port:
|
|
port_profile = port.get_port_profile
|
|
|
|
# get the User corresponding to the username in the URL
|
|
# If no username was provided (wired connection), username="None"
|
|
user = User.objects.filter(pseudo__iexact=username).first()
|
|
|
|
# get the interface which is trying to connect (if already created)
|
|
user_interface = (
|
|
Interface.objects.filter(mac_address=user_mac)
|
|
.select_related("machine__user")
|
|
.select_related("ipv4")
|
|
.first()
|
|
)
|
|
|
|
# get all users and clubs of the room
|
|
room_users = []
|
|
if port:
|
|
room_users = User.objects.filter(
|
|
Q(club__room=port.room) | Q(adherent__room=port.room)
|
|
)
|
|
|
|
# get all radius options
|
|
radius_option = RadiusOption.objects.first()
|
|
|
|
# get a few class constants the radius will need
|
|
EMAIL_STATE_UNVERIFIED = User.EMAIL_STATE_UNVERIFIED
|
|
RADIUS_OPTION_REJECT = RadiusOption.REJECT
|
|
USER_STATE_ACTIVE = User.STATE_ACTIVE
|
|
|
|
serialized = serializers.PostAuthResponseSerializer(
|
|
PostAuthResponse(
|
|
nas_type,
|
|
room_users,
|
|
port,
|
|
port_profile,
|
|
switch,
|
|
user,
|
|
user_interface,
|
|
radius_option,
|
|
EMAIL_STATE_UNVERIFIED,
|
|
RADIUS_OPTION_REJECT,
|
|
USER_STATE_ACTIVE,
|
|
)
|
|
)
|
|
|
|
return Response(data=serialized.data)
|
|
|
|
|
|
@api_view(["GET"])
|
|
@login_required
|
|
@can_view_all_api(Interface, Domain, IpList, Nas, User)
|
|
@can_edit_all_api(User, Domain, Machine, Interface)
|
|
def autoregister_machine(request, nas_id, username, mac_address):
|
|
"""Autoregister machine in the Authorize step of the radius
|
|
|
|
Parameters:
|
|
nas_id (string): NAS name or ipv4
|
|
username (string): username of the user who is trying to connect
|
|
mac_address (string): mac address of the device which is trying to connect
|
|
|
|
Return:
|
|
200 if autoregistering worked
|
|
400 if it failed, and the reason why
|
|
"""
|
|
nas_interface = Interface.objects.filter(
|
|
Q(domain__name=nas_id) | Q(ipv4__ipv4=nas_id)
|
|
).first()
|
|
nas_type = None
|
|
if nas_interface:
|
|
nas_type = Nas.objects.filter(nas_type=nas_interface.machine_type).first()
|
|
|
|
user = User.objects.filter(pseudo__iexact=username).first()
|
|
|
|
result, reason = user.autoregister_machine(mac_address, nas_type)
|
|
if result:
|
|
return Response(reason)
|
|
return Response(reason, status=400)
|
|
|
|
|
|
@api_view(["GET"])
|
|
@can_view_all_api(Interface)
|
|
@can_edit_all_api(Interface)
|
|
def assign_ip(request, mac_address):
|
|
"""Autoassign ip in the Authorize and Post-Auth steps of the Radius
|
|
|
|
Parameters:
|
|
mac_address (string): mac address of the device which is trying to connect
|
|
|
|
Return:
|
|
200 if it worked
|
|
400 if it failed, and the reason why
|
|
"""
|
|
interface = Interface.objects.filter(mac_address=mac_address).first()
|
|
|
|
try:
|
|
interface.assign_ipv4()
|
|
return Response()
|
|
except ValidationError as err:
|
|
return Response(err.message, status=400)
|