mirror of
https://github.com/retspen/webvirtcloud
synced 2026-11-08 19:26:48 +00:00
525018dd99
The form checked both with re.match("^[0-9a-f./:]+|^$"), which tests
only how a value starts: "2001:db8::10/64'/><evil/>" passed and went
into the interface XML, which is built with f-strings, while upper-case
hex was refused. An address without a prefix passed too and then failed
with a ValueError when the XML was built.
The address is parsed with ipaddress.IPv6Interface and stored as
address/prefix (/128 when none is given), the gateway with
IPv6Address. A static configuration needs an address, and the XML gets
a route only when a gateway is given instead of gateway=''. The HTML
patterns accept upper-case hex.
Eight of the ten form and XML checks fail on the previous code.
108 lines
3.9 KiB
Python
108 lines
3.9 KiB
Python
import ipaddress
|
|
import re
|
|
|
|
from django import forms
|
|
from django.utils.translation import gettext_lazy as _
|
|
|
|
|
|
class AddInterface(forms.Form):
|
|
name = forms.CharField(max_length=10, required=True)
|
|
itype = forms.ChoiceField(
|
|
required=True, choices=(("bridge", "bridge"), ("ethernet", "ethernet"))
|
|
)
|
|
start_mode = forms.ChoiceField(
|
|
required=True,
|
|
choices=(("none", "none"), ("onboot", "onboot"), ("hotplug", "hotplug")),
|
|
)
|
|
netdev = forms.CharField(max_length=15, required=True)
|
|
ipv4_type = forms.ChoiceField(
|
|
required=True,
|
|
choices=(("dhcp", "dhcp"), ("static", "static"), ("none", "none")),
|
|
)
|
|
ipv4_addr = forms.CharField(max_length=18, required=False)
|
|
ipv4_gw = forms.CharField(max_length=15, required=False)
|
|
ipv6_type = forms.ChoiceField(
|
|
required=True,
|
|
choices=(("dhcp", "dhcp"), ("static", "static"), ("none", "none")),
|
|
)
|
|
ipv6_addr = forms.CharField(max_length=100, required=False)
|
|
ipv6_gw = forms.CharField(max_length=100, required=False)
|
|
stp = forms.ChoiceField(required=False, choices=(("on", "on"), ("off", "off")))
|
|
delay = forms.IntegerField(required=False)
|
|
|
|
def clean_ipv4_addr(self):
|
|
ipv4_addr = self.cleaned_data["ipv4_addr"]
|
|
have_symbol = re.match("^[0-9./]+$", ipv4_addr)
|
|
if not have_symbol:
|
|
raise forms.ValidationError(
|
|
_("The IPv4 address must not contain any special characters")
|
|
)
|
|
elif len(ipv4_addr) > 20:
|
|
raise forms.ValidationError(
|
|
_("The IPv4 address must not exceed 20 characters")
|
|
)
|
|
return ipv4_addr
|
|
|
|
def clean_ipv4_gw(self):
|
|
ipv4_gw = self.cleaned_data["ipv4_gw"]
|
|
have_symbol = re.match("^[0-9.]+$", ipv4_gw)
|
|
if not have_symbol:
|
|
raise forms.ValidationError(
|
|
_("The IPv4 gateway must not contain any special characters")
|
|
)
|
|
elif len(ipv4_gw) > 20:
|
|
raise forms.ValidationError(
|
|
_("The IPv4 gateway must not exceed 20 characters")
|
|
)
|
|
return ipv4_gw
|
|
|
|
def clean_ipv6_addr(self):
|
|
ipv6_addr = self.cleaned_data["ipv6_addr"]
|
|
if not ipv6_addr:
|
|
return ipv6_addr
|
|
try:
|
|
# Always address/prefix, as the interface XML needs both
|
|
return str(ipaddress.IPv6Interface(ipv6_addr))
|
|
except ValueError:
|
|
raise forms.ValidationError(_("The IPv6 address is not valid (e.g. 2001:db8::10/64)"))
|
|
|
|
def clean_ipv6_gw(self):
|
|
ipv6_gw = self.cleaned_data["ipv6_gw"]
|
|
if not ipv6_gw:
|
|
return ipv6_gw
|
|
try:
|
|
return str(ipaddress.IPv6Address(ipv6_gw))
|
|
except ValueError:
|
|
raise forms.ValidationError(_("The IPv6 gateway is not valid"))
|
|
|
|
def clean(self):
|
|
cleaned = super().clean()
|
|
if cleaned.get("ipv6_type") == "static" and not cleaned.get("ipv6_addr") and "ipv6_addr" not in self.errors:
|
|
self.add_error("ipv6_addr", _("A static IPv6 configuration needs an address"))
|
|
return cleaned
|
|
|
|
def clean_name(self):
|
|
name = self.cleaned_data["name"]
|
|
have_symbol = re.match("^[a-z0-9.]+$", name)
|
|
if not have_symbol:
|
|
raise forms.ValidationError(
|
|
_("The interface must not contain any special characters")
|
|
)
|
|
elif len(name) > 10:
|
|
raise forms.ValidationError(
|
|
_("The interface must not exceed 10 characters")
|
|
)
|
|
return name
|
|
|
|
def clean_netdev(self):
|
|
netdev = self.cleaned_data["netdev"]
|
|
have_symbol = re.match("^[a-z0-9.:]+$", netdev)
|
|
if not have_symbol:
|
|
raise forms.ValidationError(
|
|
_("The interface must not contain any special characters")
|
|
)
|
|
elif len(netdev) > 10:
|
|
raise forms.ValidationError(
|
|
_("The interface must not exceed 10 characters")
|
|
)
|
|
return netdev
|