from ipaddr import *
from django.core.urlresolvers import reverse
from django.contrib.auth.models import User
+from django.conf import settings
import datetime
-
+from django.core.mail import mail_admins, mail_managers, send_mail
class RouteForm(forms.ModelForm):
# " e.g.10.10.0.1/32"), label=ugettext_lazy("Destination Address"), required=False)
# destination_ports = forms.ModelMultipleChoiceField(queryset=MatchPort.objects.all(), help_text=ugettext_lazy("A set of destination ports to block"), label=ugettext_lazy("Destination Ports"), required=False)
# ports = forms.ModelMultipleChoiceField(queryset=MatchPort.objects.all(), help_text=ugettext_lazy("A set of ports to block"), label=ugettext_lazy("Ports"), required=False)
+
class Meta:
model = Route
def clean_source(self):
+ user = User.objects.get(pk=self.data['applier'])
+ peer = user.get_profile().peer
data = self.cleaned_data['source']
private_error = False
+ protected_error = False
if data:
try:
address = IPNetwork(data)
+ for net in settings.PROTECTED_SUBNETS:
+ if address in IPNetwork(net):
+ protected_error = True
+ mail_body = "User %s %s (%s) attempted to set %s as the source address in a firewall rule" %(user.username, user.email, peer.peer_name, data)
+ send_mail(settings.EMAIL_SUBJECT_PREFIX + "Caught an attempt to set a protected IP/network as a source address",
+ mail_body, settings.SERVER_EMAIL,
+ settings.NOTIFY_ADMIN_MAILS, fail_silently=True)
+ raise forms.ValidationError("Not allowed")
if address.is_private:
private_error = True
raise forms.ValidationError('Private addresses not allowed')
error_text = 'Invalid network address format'
if private_error:
error_text = 'Private addresses not allowed'
+ if protected_error:
+ error_text = 'You have no authority on this subnet'
raise forms.ValidationError(error_text)
def clean_destination(self):
+ user = User.objects.get(pk=self.data['applier'])
+ peer = user.get_profile().peer
data = self.cleaned_data['destination']
+ error = None
+ protected_error = False
if data:
try:
address = IPNetwork(data)
+ for net in settings.PROTECTED_SUBNETS:
+ if address in IPNetwork(net):
+ protected_error = True
+ mail_body = "User %s %s (%s) attempted to set %s as the destination address in a firewall rule" %(user.username, user.email, peer.peer_name, data)
+ send_mail(settings.EMAIL_SUBJECT_PREFIX + "Caught an attempt to set a protected IP/network as the destination address",
+ mail_body, settings.SERVER_EMAIL,
+ settings.NOTIFY_ADMIN_MAILS, fail_silently=True)
+ raise forms.ValidationError("Not allowed")
+ if address.prefixlen < settings.PREFIX_LENGTH:
+ error = "Currently no prefix lengths < %s are allowed" %settings.PREFIX_LENGTH
+ raise forms.ValidationError('error')
return self.cleaned_data["destination"]
except Exception:
- raise forms.ValidationError('Invalid network address format')
+ error_text = 'Invalid network address format'
+ if error:
+ error_text = error
+ if protected_error:
+ error_text = 'You have no authority on this subnet'
+ raise forms.ValidationError(error_text)
def clean_expires(self):
date = self.cleaned_data['expires']
networks = peer.networks.all()
mynetwork = False
route_pk_list = []
-
if destination:
for network in networks:
net = IPNetwork(network.network)
if destinationports and not destination:
raise forms.ValidationError('Once destination port is matched, destination has to be filled as well. Either deselect destination port or fill destination address')
if not (source or sourceports or ports or destination or destinationports):
- raise forms.ValidationError('Fill at least a Route Match Condition')
+ raise forms.ValidationError('Fill at least a Rule Match Condition')
+ if not user.is_superuser and then[0].action not in settings.UI_USER_THEN_ACTIONS:
+ raise forms.ValidationError('This action "%s" is not permitted' %(then[0].action))
existing_routes = Route.objects.exclude(status='EXPIRED').exclude(status='PENDING').exclude(status='ERROR').exclude(status='ADMININACTIVE')
existing_routes = existing_routes.filter(applier__userprofile__peer=peer)
if source:
if action_value:
try:
assert(int(action_value))
+ if int(action_value) < 50:
+ raise forms.ValidationError('Rate-limiting cannot be < 50kbps')
return "%s" %self.cleaned_data["action_value"]
except:
- raise forms.ValidationError('Rate-limiting should be an integer')
- if int(action_value) < 50:
- raise forms.ValidationError('Rate-limiting cannot be < 50kbps')
+ raise forms.ValidationError('Rate-limiting should be an integer < 50')
else:
raise forms.ValidationError('Cannot be empty')
raise forms.ValidationError('Cannot select something other than rate-limit')
else:
return self.cleaned_data["action"]
+
class PortPlainForm(forms.ModelForm):
# action = forms.CharField(initial='rate-limit')