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Fixes #15220: Move IP mask validation logic from form to model #15319

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Merged
merged 1 commit into from
Mar 1, 2024
Merged

Fixes #15220: Move IP mask validation logic from form to model #15319

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14 changes: 0 additions & 14 deletions netbox/ipam/forms/model_forms.py
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Original file line number Diff line number Diff line change
Expand Up @@ -367,20 +367,6 @@ def clean(self):
'primary_for_parent', _("Only IP addresses assigned to an interface can be designated as primary IPs.")
)

# Do not allow assigning a network ID or broadcast address to an interface.
if interface and (address := self.cleaned_data.get('address')):
if address.ip == address.network:
msg = _("{ip} is a network ID, which may not be assigned to an interface.").format(ip=address.ip)
if address.version == 4 and address.prefixlen not in (31, 32):
raise ValidationError(msg)
if address.version == 6 and address.prefixlen not in (127, 128):
raise ValidationError(msg)
if address.version == 4 and address.ip == address.broadcast and address.prefixlen not in (31, 32):
msg = _("{ip} is a broadcast address, which may not be assigned to an interface.").format(
ip=address.ip
)
raise ValidationError(msg)

def save(self, *args, **kwargs):
ipaddress = super().save(*args, **kwargs)

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19 changes: 19 additions & 0 deletions netbox/ipam/models/ip.py
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Original file line number Diff line number Diff line change
Expand Up @@ -844,6 +844,25 @@ def clean(self):
'address': _("Cannot create IP address with /0 mask.")
})

# Do not allow assigning a network ID or broadcast address to an interface.
if self.assigned_object:
if self.address.ip == self.address.network:
msg = _("{ip} is a network ID, which may not be assigned to an interface.").format(
ip=self.address.ip
)
if self.address.version == 4 and self.address.prefixlen not in (31, 32):
raise ValidationError(msg)
if self.address.version == 6 and self.address.prefixlen not in (127, 128):
raise ValidationError(msg)
if (
self.address.version == 4 and self.address.ip == self.address.broadcast and
self.address.prefixlen not in (31, 32)
):
msg = _("{ip} is a broadcast address, which may not be assigned to an interface.").format(
ip=self.address.ip
)
raise ValidationError(msg)

# Enforce unique IP space (if applicable)
if (self.vrf is None and get_config().ENFORCE_GLOBAL_UNIQUE) or (self.vrf and self.vrf.enforce_unique):
duplicate_ips = self.get_duplicates()
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