Support for DS records

bin/dns-sync

@@ -105,6 +105,9 @@ def getDomainsFromQueryset(qs, zone, glueRecords, usedNameservers, v4reverse=Fal
 
         zone.append((domain.getZone(), "NS", servers))
 
+        if domain.ds_records:
+            zone.append((domain.getZone(), "DS", domain.ds_records.split("\n")))
+
         if v4reverse:
             # for ipv4 reverse we have to do some extra work in case of classless delegations
             # see RFC2317

domains/forms.py

@@ -15,10 +15,41 @@ import re
 import ipaddress
 
 
-class DomainForm(MntFormMixin, WhoisObjectFormMixin, forms.ModelForm):
+class DSRecordMixin(object):
+    ds_re = re.compile(r"^(?P<id>\d+)\s+(?P<crypto>\d+)\s+(?P<hashtype>\d+)\s+(?P<hash>[0-9a-fA-F]+)$")
+    HASH_SUPPORTED = (1, 2)
+    CRYPTO_SUPPORTED = (3, 5, 6, 8, 10, 13, 15)
+
+    def clean_ds_records(self):
+        ds_records = self.cleaned_data['ds_records'].strip()
+        result = []
+
+        if not ds_records:
+            return ''
+
+        for n, rec in enumerate(ds_records.split("\n"), 1):
+            rec = rec.strip()
+            m = self.ds_re.match(rec)
+            if not m:
+                raise forms.ValidationError("Could not parse records {} - needs to be in format "
+                                            "'<id> <crypto> <hashtype> <hash>'".format(n))
+
+            if int(m.group('hashtype')) not in self.HASH_SUPPORTED:
+                raise forms.ValidationError("Record {} has an invalid hashtype of {}, supported are {}"
+                                            "".format(n, m.group('hashtype'), " ".join(map(str, self.HASH_SUPPORTED))))
+            if int(m.group('crypto')) not in self.CRYPTO_SUPPORTED:
+                raise forms.ValidationError("Record {} has unsupported crypto {}, supported are {}"
+                                            "".format(n, m.group('crypto'), " ".join(map(str, self.CRYPTO_SUPPORTED))))
+
+            result.append("{id} {crypto} {hashtype} {hash}".format(**m.groupdict()))
+
+        return "\n".join(result)
+
+
+class DomainForm(MntFormMixin, WhoisObjectFormMixin, DSRecordMixin, forms.ModelForm):
     class Meta:
         model = Domain
-        fields = ['name', 'nameservers', 'mnt_by', 'admin_c']
+        fields = ['name', 'nameservers', 'mnt_by', 'admin_c', 'ds_records']
 
     def __init__(self, *args, **kwargs):
         super(DomainForm, self).__init__(*args, **kwargs)

domains/migrations/0004_auto_20170403_0533.py

@@ -0,0 +1,25 @@
+# -*- coding: utf-8 -*-
+# Generated by Django 1.10.5 on 2017-04-03 05:33
+from __future__ import unicode_literals
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('domains', '0003_auto_20170322_1801'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='domain',
+            name='mnt_by',
+            field=models.ManyToManyField(help_text='You can select multiple maintainers here', to='whoisdb.Maintainer'),
+        ),
+        migrations.AlterField(
+            model_name='nameserver',
+            name='mnt_by',
+            field=models.ManyToManyField(help_text='You can select multiple maintainers here', to='whoisdb.Maintainer'),
+        ),
+    ]

domains/migrations/0005_domain_ds_records.py

@@ -0,0 +1,20 @@
+# -*- coding: utf-8 -*-
+# Generated by Django 1.11 on 2019-05-30 21:18
+from __future__ import unicode_literals
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('domains', '0004_auto_20170403_0533'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='domain',
+            name='ds_records',
+            field=models.TextField(blank=True),
+        ),
+    ]

domains/models.py

@@ -50,6 +50,9 @@ class Domain(MntdObject):
     nameservers = models.ManyToManyField(Nameserver, blank=True)
     admin_c = models.ManyToManyField(Contact)
 
+    ds_records = models.TextField(blank=True, verbose_name='DS Records',
+                                  help_text='DS Records in the format of [id] [crypto-algo] [hash-algo] [hash]')
+
     def getPK(self):
         return self.name
 

whoisdb/helpers.py

@@ -39,7 +39,7 @@ def getWhoisObjectFields(obj, owner):
         fields.append(("Address CIDR", obj.prefix()))
         _addFields(fields, obj, ["description", "parent_range", "origin_as", "mnt_by", "mnt_lower", "admin_c"])
     elif c == domains.models.Domain:
-        _addFields(fields, obj, ["name", "nameservers", "mnt_by", "admin_c"])
+        _addFields(fields, obj, ["name", "nameservers", "mnt_by", "admin_c", "ds_records"])
     elif c == domains.models.Nameserver:
         _addFields(fields, obj, ["name", "glueIPv4", "glueIPv6", "mnt_by", "admin_c"])
     elif c == domains.models.ReverseZone: