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Commit 9fb5f44b by Bach Dániel
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Merge branch 'feature-fw-api' into 'master' 

Feature fw api ✅

See merge request !297
parents 59cb3f57 4a0abb1e
Showing with 182 additions and 109 deletions
circle/circle/settings/base.py
......@@ -564,3 +564,6 @@ MAX_NODE_RAM = get_env_variable("MAX_NODE_RAM", 1024)
CLIENT_DOWNLOAD_URL = get_env_variable('CLIENT_DOWNLOAD_URL', 'http://circlecloud.org/client/download/')
ADMIN_ENABLED = False
BLACKLIST_PASSWORD = get_env_variable("BLACKLIST_PASSWORD", "")
BLACKLIST_HOOK_URL = get_env_variable("BLACKLIST_HOOK_URL", "")
circle/circle/urls.py
......@@ -27,21 +27,16 @@ from django.shortcuts import redirect
from circle.settings.base import get_env_variable
from dashboard.views import circle_login, HelpView
from dashboard.forms import CirclePasswordResetForm, CircleSetPasswordForm
from firewall.views import add_blacklist_item
admin.autodiscover()
urlpatterns = patterns(
'',
# url(r'^$', TemplateView.as_view(template_name='base.html')),
# Examples:
# url(r'^$', 'circle.views.home', name='home'),
# url(r'^circle/', include('circle.foo.urls')),
# url(r'^admin/doc/', include('django.contrib.admindocs.urls')),
url(r'^$', lambda x: redirect(reverse("dashboard.index"))),
url(r'^network/', include('network.urls')),
url(r'^blacklist-add/', add_blacklist_item),
url(r'^dashboard/', include('dashboard.urls')),
# django/contrib/auth/urls.py (care when new version)
......
circle/firewall/admin.py
......@@ -132,7 +132,8 @@ class RecordAdmin(admin.ModelAdmin):
class BlacklistItemAdmin(admin.ModelAdmin):
list_display = ('ipv4', 'type', 'reason', 'created_at', 'modified_at')
list_display = ('ipv4', 'whitelisted', 'reason', 'expires_at',
'created_at', 'modified_at')
class SwitchPortAdmin(admin.ModelAdmin):
......
circle/firewall/fw.py
......@@ -19,14 +19,12 @@ import re
import logging
from collections import OrderedDict
from netaddr import IPAddress, AddrFormatError
from datetime import timedelta
from itertools import product
from .models import (Host, Rule, Vlan, Domain, Record, BlacklistItem,
SwitchPort)
from .iptables import IptRule, IptChain
import django.conf
from django.db.models import Q
from django.template import loader, Context
from django.utils import timezone
......@@ -161,10 +159,9 @@ class BuildFirewall:
def ipset():
week = timezone.now() - timedelta(days=2)
filter_ban = (Q(type='tempban', modified_at__gte=week) |
Q(type='permban'))
return BlacklistItem.objects.filter(filter_ban).values('ipv4', 'reason')
now = timezone.now()
return BlacklistItem.objects.filter(whitelisted=False).exclude(
expires_at__lt=now).values('ipv4', 'reason')
def ipv6_to_octal(ipv6):
......
circle/firewall/migrations/0003_auto_20150226_1927.py 0 → 100644
# -*- coding: utf-8 -*-
from __future__ import unicode_literals
from django.db import models, migrations
class Migration(migrations.Migration):
dependencies = [
('firewall', '0002_auto_20150115_0021'),
]
operations = [
migrations.RemoveField(
model_name='blacklistitem',
name='type',
),
migrations.AddField(
model_name='blacklistitem',
name='expires_at',
field=models.DateTimeField(default=None, null=True, verbose_name='expires at', blank=True),
preserve_default=True,
),
migrations.AddField(
model_name='blacklistitem',
name='whitelisted',
field=models.BooleanField(default=False, verbose_name='whitelisted'),
preserve_default=True,
),
migrations.AlterField(
model_name='blacklistitem',
name='ipv4',
field=models.GenericIPAddressField(protocol=b'ipv4', unique=True, verbose_name=b'IPv4 address'),
preserve_default=True,
),
migrations.AlterField(
model_name='blacklistitem',
name='reason',
field=models.TextField(null=True, verbose_name='reason', blank=True),
preserve_default=True,
),
migrations.AlterField(
model_name='blacklistitem',
name='snort_message',
field=models.TextField(null=True, verbose_name='short message', blank=True),
preserve_default=True,
),
]
circle/firewall/models.py
......@@ -1109,24 +1109,23 @@ class EthernetDevice(models.Model):
class BlacklistItem(models.Model):
CHOICES_type = (('permban', 'permanent ban'), ('tempban', 'temporary ban'),
('whitelist', 'whitelist'), ('tempwhite', 'tempwhite'))
ipv4 = models.GenericIPAddressField(protocol='ipv4', unique=True)
host = models.ForeignKey('Host', blank=True, null=True,
verbose_name=_('host'))
reason = models.TextField(blank=True, verbose_name=_('reason'))
snort_message = models.TextField(blank=True,
verbose_name=_('short message'))
type = models.CharField(
max_length=10,
choices=CHOICES_type,
default='tempban',
verbose_name=_('type')
)
ipv4 = models.GenericIPAddressField(
protocol='ipv4', unique=True, verbose_name=("IPv4 address"))
host = models.ForeignKey(
'Host', blank=True, null=True, verbose_name=_('host'))
reason = models.TextField(
blank=True, null=True, verbose_name=_('reason'))
snort_message = models.TextField(
blank=True, null=True, verbose_name=_('short message'))
whitelisted = models.BooleanField(
default=False, verbose_name=_("whitelisted"))
created_at = models.DateTimeField(auto_now_add=True,
verbose_name=_('created_at'))
modified_at = models.DateTimeField(auto_now=True,
verbose_name=_('modified_at'))
expires_at = models.DateTimeField(blank=True, null=True, default=None,
verbose_name=_('expires at'))
def save(self, *args, **kwargs):
self.full_clean()
......
circle/firewall/tasks/local_tasks.py
......@@ -102,6 +102,7 @@ def reloadtask(type='Host', timeout=15):
'Rule': ['firewall'],
'SwitchPort': ['firewall_vlan'],
'EthernetDevice': ['firewall_vlan'],
'BlacklistItem': ['blacklist'],
}[type]
logger.info("Reload %s on next periodic iteration applying change to %s.",
", ".join(reload), type)
......
circle/firewall/views.py
......@@ -15,69 +15,97 @@
# You should have received a copy of the GNU General Public License along
# with CIRCLE. If not, see <http://www.gnu.org/licenses/>.
import base64
import datetime
import json
from __future__ import absolute_import, unicode_literals
from django.core.exceptions import ValidationError
from django.db import IntegrityError
from datetime import timedelta
from json import dumps
import logging
from netaddr import AddrFormatError, IPAddress
from requests import post
from requests.exceptions import RequestException
from django.core.exceptions import PermissionDenied
from django.http import HttpResponse
from django.utils.timezone import utc
from django.utils import timezone
from django.utils.translation import ugettext_lazy as _
from django.views.decorators.csrf import csrf_exempt
from django.views.decorators.http import require_POST
from .tasks.local_tasks import reloadtask
from .models import BlacklistItem, Host
from django.conf import settings
def reload_firewall(request):
if request.user.is_authenticated():
if request.user.is_superuser:
html = (_("Dear %s, you've signed in as administrator!<br />"
"Reloading in 10 seconds...") % request.user.username)
reloadtask.delay()
reloadtask.delay('Vlan')
else:
html = (_("Dear %s, you've signed in!") % request.user.username)
logger = logging.getLogger(__name__)
def send_request(obj):
data = {"ip": obj.ipv4,
"msg": obj.snort_message,
"reason": obj.reason,
"expires_at": str(obj.expires_at).split('.')[0],
"object_kind": "ban"}
if obj.host:
data.update({"hostname": obj.host.hostname,
"username": obj.host.owner.username,
"fullname": obj.host.owner.get_full_name()})
try:
r = post(settings.BLACKLIST_HOOK_URL, data=dumps(data, indent=2),
timeout=3)
r.raise_for_status()
except RequestException as e:
logger.warning("Error in HTTP POST: %s. url: %s params: %s",
str(e), settings.BLACKLIST_HOOK_URL, data)
else:
html = _("Dear anonymous, you've not signed in yet!")
return HttpResponse(html)
logger.info("Successful HTTP POST. url: %s params: %s",
settings.BLACKLIST_HOOK_URL, data)
@csrf_exempt
@require_POST
def firewall_api(request):
def add_blacklist_item(request):
password = request.POST.get('password')
if (not settings.BLACKLIST_PASSWORD or
password != settings.BLACKLIST_PASSWORD):
logger.warning("Tried invalid password. Password: %s IP: %s",
password, request.META["REMOTE_ADDR"])
raise PermissionDenied()
try:
data = json.loads(base64.b64decode(request.POST["data"]))
command = request.POST["command"]
if data["password"] != "bdmegintelrontottaanetet":
raise Exception(_("Wrong password."))
if command == "blacklist":
obj, created = BlacklistItem.objects.get_or_create(ipv4=data["ip"])
obj.reason = data["reason"]
obj.snort_message = data["snort_message"]
address = request.POST.get('address')
address_object = IPAddress(address, version=4)
except (AddrFormatError, TypeError) as e:
logger.warning("Invalid IP address: %s (%s)", address, str(e))
return HttpResponse(_("Invalid IP address."))
obj, created = BlacklistItem.objects.get_or_create(ipv4=address)
if created:
try:
obj.host = Host.objects.get(ipv4=data["ip"])
except (Host.DoesNotExist, ValidationError,
IntegrityError, AttributeError):
db_format = '.'.join("%03d" % x for x in address_object.words)
obj.host = Host.objects.get(ipv4=db_format)
except Host.DoesNotExist:
pass
modified = obj.modified_at + datetime.timedelta(minutes=1)
now = datetime.dateime.utcnow().replace(tzinfo=utc)
if obj.type == 'tempwhite' and modified < now:
obj.type = 'tempban'
if obj.type != 'whitelist':
now = timezone.now()
can_update = (
(obj.whitelisted and obj.expires_at and now > obj.expires_at) or
not obj.whitelisted)
is_new = created or (obj.expires_at and now > obj.expires_at)
if created or can_update:
obj.reason = request.POST.get('reason')
obj.snort_message = request.POST.get('snort_message')
obj.whitelisted = False
obj.expires_at = now + timedelta(weeks=1)
obj.full_clean()
obj.save()
return HttpResponse(unicode(_("OK")))
else:
raise Exception(_("Unknown command."))
except (ValidationError, IntegrityError, AttributeError, Exception) as e:
return HttpResponse(_("Something went wrong!\n%s\n") % e)
except:
return HttpResponse(_("Something went wrong!\n"))
if created:
logger.info("Successfully created blacklist item %s.", address)
elif can_update:
logger.info("Successfully modified blacklist item %s.", address)
if is_new and settings.BLACKLIST_HOOK_URL:
send_request(obj)
return HttpResponse(unicode(_("OK")))
circle/network/forms.py
......@@ -54,8 +54,10 @@ class BlacklistItemForm(ModelForm):
'',
'ipv4',
'host',
'expires_at',
'whitelisted',
'reason',
'type',
'snort_message',
)
),
FormActions(
......
circle/network/tables.py
......@@ -20,7 +20,8 @@ from django.utils.translation import ugettext_lazy as _
from django.utils.html import format_html
from django_tables2 import Table, A
from django_tables2.columns import LinkColumn, TemplateColumn, Column
from django_tables2.columns import (LinkColumn, TemplateColumn, Column,
BooleanColumn)
from firewall.models import Host, Vlan, Domain, Group, Record, Rule, SwitchPort
......@@ -41,12 +42,14 @@ class MACColumn(Column):
class BlacklistItemTable(Table):
ipv4 = LinkColumn('network.blacklist', args=[A('pk')])
whitelisted = BooleanColumn()
class Meta:
model = Domain
attrs = {'class': 'table table-striped table-condensed'}
fields = ('ipv4', 'host', 'reason', 'type')
order_by = ('ipv4', )
fields = ('ipv4', 'host', 'reason', 'whitelisted', 'expires_at',
'created_at')
order_by = ('-expires_at', )
class DomainTable(Table):
......
circle/network/views.py
......@@ -137,8 +137,7 @@ class BlacklistDetail(LoginRequiredMixin, SuperuserRequiredMixin,
model = BlacklistItem
template_name = "network/blacklist-edit.html"
form_class = BlacklistItemForm
success_message = _(u'Successfully modified blacklist item'
'%(ipv4)s - %(type)s!')
success_message = _(u'Successfully modified blacklist item %(ipv4)s.')
def get_success_url(self):
if 'pk' in self.kwargs:
......@@ -155,8 +154,7 @@ class BlacklistCreate(LoginRequiredMixin, SuperuserRequiredMixin,
model = BlacklistItem
template_name = "network/blacklist-create.html"
form_class = BlacklistItemForm
success_message = _(u'Successfully created blacklist item '
'%(ipv4)s - %(type)s!')
success_message = _(u'Successfully created blacklist item %(ipv4)s')
class BlacklistDelete(LoginRequiredMixin, SuperuserRequiredMixin, DeleteView):
......@@ -168,9 +166,7 @@ class BlacklistDelete(LoginRequiredMixin, SuperuserRequiredMixin, DeleteView):
context = super(BlacklistDelete, self).get_context_data(**kwargs)
if 'pk' in self.kwargs:
to_delete = BlacklistItem.objects.get(pk=self.kwargs['pk'])
context['object'] = "%s - %s - %s" % (to_delete.ipv4,
to_delete.reason,
to_delete.type)
context['object'] = "%s - %s" % (to_delete.ipv4, to_delete.reason)
return context
def get_success_url(self):
......@@ -193,7 +189,7 @@ class DomainDetail(LoginRequiredMixin, SuperuserRequiredMixin,
model = Domain
template_name = "network/domain-edit.html"
form_class = DomainForm
success_message = _(u'Successfully modified domain %(name)s!')
success_message = _(u'Successfully modified domain %(name)s.')
def get_success_url(self):
if 'pk' in self.kwargs:
......@@ -220,7 +216,7 @@ class DomainCreate(LoginRequiredMixin, SuperuserRequiredMixin,
model = Domain
template_name = "network/domain-create.html"
form_class = DomainForm
success_message = _(u'Successfully created domain %(name)s!')
success_message = _(u'Successfully created domain %(name)s.')
class DomainDelete(LoginRequiredMixin, SuperuserRequiredMixin, DeleteView):
......@@ -237,11 +233,11 @@ class DomainDelete(LoginRequiredMixin, SuperuserRequiredMixin, DeleteView):
def delete(self, request, *args, **kwargs):
self.object = self.get_object()
if unicode(self.object) != request.POST.get('confirm'):
messages.error(request, _(u"Object name does not match!"))
messages.error(request, _(u"Object name does not match."))
return self.get(request, *args, **kwargs)
response = super(DomainDelete, self).delete(request, *args, **kwargs)
messages.success(request, _(u"Domain successfully deleted!"))
messages.success(request, _(u"Domain successfully deleted."))
return response
def get_context_data(self, **kwargs):
......@@ -351,7 +347,7 @@ class GroupCreate(LoginRequiredMixin, SuperuserRequiredMixin,
model = Group
template_name = "network/group-create.html"
form_class = GroupForm
success_message = _(u'Successfully created host group %(name)s!')
success_message = _(u'Successfully created host group %(name)s.')
class GroupDetail(LoginRequiredMixin, SuperuserRequiredMixin,
......@@ -359,7 +355,7 @@ class GroupDetail(LoginRequiredMixin, SuperuserRequiredMixin,
model = Group
template_name = "network/group-edit.html"
form_class = GroupForm
success_message = _(u'Successfully modified host group %(name)s!')
success_message = _(u'Successfully modified host group %(name)s.')
def get_success_url(self):
if 'pk' in self.kwargs:
......@@ -443,7 +439,7 @@ class HostDetail(HostMagicMixin, LoginRequiredMixin, SuperuserRequiredMixin,
model = Host
template_name = "network/host-edit.html"
form_class = HostForm
success_message = _(u'Successfully modified host %(hostname)s!')
success_message = _(u'Successfully modified host %(hostname)s.')
def _get_ajax(self, *args, **kwargs):
if "vlan" not in self.request.GET:
......@@ -516,7 +512,7 @@ class HostCreate(HostMagicMixin, LoginRequiredMixin, SuperuserRequiredMixin,
model = Host
template_name = "network/host-create.html"
form_class = HostForm
success_message = _(u'Successfully created host %(hostname)s!')
success_message = _(u'Successfully created host %(hostname)s.')
def get_initial(self):
initial = super(HostCreate, self).get_initial()
......@@ -564,11 +560,11 @@ class HostDelete(LoginRequiredMixin, SuperuserRequiredMixin, DeleteView):
def delete(self, request, *args, **kwargs):
self.object = self.get_object()
if unicode(self.object) != request.POST.get('confirm'):
messages.error(request, _(u"Object name does not match!"))
messages.error(request, _(u"Object name does not match."))
return self.get(request, *args, **kwargs)
response = super(HostDelete, self).delete(request, *args, **kwargs)
messages.success(request, _(u"Host successfully deleted!"))
messages.success(request, _(u"Host successfully deleted."))
return response
......@@ -598,7 +594,7 @@ class RecordDetail(LoginRequiredMixin, SuperuserRequiredMixin,
template_name = "network/record-edit.html"
form_class = RecordForm
# TODO fqdn
success_message = _(u'Successfully modified record!')
success_message = _(u'Successfully modified record.')
def get_context_data(self, **kwargs):
context = super(RecordDetail, self).get_context_data(**kwargs)
......@@ -617,7 +613,7 @@ class RecordCreate(LoginRequiredMixin, SuperuserRequiredMixin,
template_name = "network/record-create.html"
form_class = RecordForm
# TODO fqdn
success_message = _(u'Successfully created record!')
success_message = _(u'Successfully created record.')
def get_initial(self):
initial = super(RecordCreate, self).get_initial()
......@@ -683,7 +679,7 @@ class RuleDetail(LoginRequiredMixin, SuperuserRequiredMixin,
model = Rule
template_name = "network/rule-edit.html"
form_class = RuleForm
success_message = _(u'Successfully modified rule!')
success_message = _(u'Successfully modified rule.')
def get_success_url(self):
if 'pk' in self.kwargs:
......@@ -703,7 +699,7 @@ class RuleCreate(LoginRequiredMixin, SuperuserRequiredMixin,
model = Rule
template_name = "network/rule-create.html"
form_class = RuleForm
success_message = _(u'Successfully created rule!')
success_message = _(u'Successfully created rule.')
def get_initial(self):
initial = super(RuleCreate, self).get_initial()
......@@ -739,7 +735,7 @@ class SwitchPortDetail(LoginRequiredMixin, SuperuserRequiredMixin,
model = SwitchPort
template_name = "network/switch-port-edit.html"
form_class = SwitchPortForm
success_message = _(u'Succesfully modified switch port!')
success_message = _(u'Succesfully modified switch port.')
def get_success_url(self):
if 'pk' in self.kwargs:
......@@ -758,7 +754,7 @@ class SwitchPortCreate(LoginRequiredMixin, SuperuserRequiredMixin,
model = SwitchPort
template_name = "network/switch-port-create.html"
form_class = SwitchPortForm
success_message = _(u'Successfully created switch port!')
success_message = _(u'Successfully created switch port.')
class SwitchPortDelete(LoginRequiredMixin, SuperuserRequiredMixin, DeleteView):
......@@ -805,7 +801,7 @@ class VlanDetail(VlanMagicMixin, LoginRequiredMixin, SuperuserRequiredMixin,
form_class = VlanForm
slug_field = 'vid'
slug_url_kwarg = 'vid'
success_message = _(u'Succesfully modified vlan %(name)s!')
success_message = _(u'Succesfully modified vlan %(name)s.')
def get_context_data(self, **kwargs):
context = super(VlanDetail, self).get_context_data(**kwargs)
......@@ -825,7 +821,7 @@ class VlanCreate(VlanMagicMixin, LoginRequiredMixin, SuperuserRequiredMixin,
model = Vlan
template_name = "network/vlan-create.html"
form_class = VlanForm
success_message = _(u'Successfully created vlan %(name)s!')
success_message = _(u'Successfully created vlan %(name)s.')
class VlanDelete(LoginRequiredMixin, SuperuserRequiredMixin, DeleteView):
......@@ -846,11 +842,11 @@ class VlanDelete(LoginRequiredMixin, SuperuserRequiredMixin, DeleteView):
def delete(self, request, *args, **kwargs):
self.object = self.get_object()
if unicode(self.object) != request.POST.get('confirm'):
messages.error(request, _(u"Object name does not match!"))
messages.error(request, _(u"Object name does not match."))
return self.get(request, *args, **kwargs)
response = super(VlanDelete, self).delete(request, *args, **kwargs)
messages.success(request, _(u"Vlan successfully deleted!"))
messages.success(request, _(u"Vlan successfully deleted."))
return response
def get_context_data(self, **kwargs):
......@@ -892,7 +888,7 @@ class VlanGroupDetail(LoginRequiredMixin, SuperuserRequiredMixin,
template_name = "network/vlan-group-edit.html"
form_class = VlanGroupForm
success_url = reverse_lazy('network.vlan_group_list')
success_message = _(u'Successfully modified vlan group %(name)s!')
success_message = _(u'Successfully modified vlan group %(name)s.')
def get_context_data(self, *args, **kwargs):
context = super(VlanGroupDetail, self).get_context_data(**kwargs)
......@@ -905,7 +901,7 @@ class VlanGroupCreate(LoginRequiredMixin, SuperuserRequiredMixin,
model = VlanGroup
template_name = "network/vlan-group-create.html"
form_class = VlanGroupForm
success_message = _(u'Successfully created vlan group %(name)s!')
success_message = _(u'Successfully created vlan group %(name)s.')
class VlanGroupDelete(LoginRequiredMixin, SuperuserRequiredMixin, DeleteView):
......@@ -938,7 +934,7 @@ def remove_host_group(request, **kwargs):
host.groups.remove(group)
if not request.is_ajax():
messages.success(request, _(u"Successfully removed %(host)s from "
"%(group)s group!" % {
"%(group)s group." % {
'host': host,
'group': group
}))
......@@ -954,7 +950,7 @@ def add_host_group(request, **kwargs):
host.groups.add(group)
if not request.is_ajax():
messages.success(request, _(u"Successfully added %(host)s to group"
" %(group)s!" % {
" %(group)s." % {
'host': host,
'group': group
}))
......@@ -973,7 +969,7 @@ def remove_switch_port_device(request, **kwargs):
device.delete()
if not request.is_ajax():
messages.success(request, _(u"Successfully deleted ethernet device"
" %(name)s!" % {
" %(name)s." % {
'name': device.name,
}))
return redirect(reverse_lazy('network.switch_port',
......@@ -997,9 +993,9 @@ def add_switch_port_device(request, **kwargs):
return redirect(reverse_lazy('network.switch_port', kwargs=kwargs))
elif not len(device_name) > 0:
messages.error(request, _("Ethernet device name cannot be empty!"))
messages.error(request, _("Ethernet device name cannot be empty."))
return redirect(reverse_lazy('network.switch_port', kwargs=kwargs))
elif EthernetDevice.objects.get(name=device_name) is not None:
messages.error(request, _("There is already an ethernet device with"
" that name!"))
" that name."))
return redirect(reverse_lazy('network.switch_port', kwargs=kwargs))
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