From: Michael Tremer <michael.tremer@ipfire.org>
Date: Wed, 10 Dec 2025 10:52:15 +0000 (+0000)
Subject: exporter: Build an exporter for a regular DNS BL zone
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=1b1003bee76c614c67efcaa2d5d6948665687e2a;p=dnsbl.git

exporter: Build an exporter for a regular DNS BL zone

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>
---

diff --git a/src/dnsbl/exporters.py b/src/dnsbl/exporters.py
index ca24ba1..a52d749 100644
--- a/src/dnsbl/exporters.py
+++ b/src/dnsbl/exporters.py
@@ -107,10 +107,7 @@ class HostsExporter(Exporter):
 			f.write("0.0.0.0 %s\n" % domain)
 
 
-class RPZExporter(Exporter):
-	"""
-		Exports the list as a RPZ zone file
-	"""
+class ZoneExporter(Exporter):
 	def export(self, f, ttl=60, rpz_action="."):
 		# Write the header
 		self.write_header(f, ";")
@@ -148,7 +145,7 @@ class RPZExporter(Exporter):
 			zone.replace_rdataset(
 				dns.name.from_text("%s.%s" % (domain, self.list.zone), origin=origin),
 				dns.rdataset.from_text(
-					dns.rdataclass.IN, dns.rdatatype.CNAME, ttl, rpz_action,
+					dns.rdataclass.IN, self.type, ttl, self.content,
 				),
 			)
 
@@ -181,3 +178,19 @@ class RPZExporter(Exporter):
 
 		# Add the ZONEMD record
 		zone.replace_rdataset(zone.origin, rrset)
+
+
+class BlocklistExporter(ZoneExporter):
+	"""
+		Exports the list as a regular DNSBL zone file
+	"""
+	type = dns.rdatatype.A
+	content = "127.0.0.2"
+
+
+class RPZExporter(ZoneExporter):
+	"""
+		Exports the list as a RPZ zone file
+	"""
+	type = dns.rdatatype.CNAME
+	content = "."
diff --git a/src/dnsbl/lists.py b/src/dnsbl/lists.py
index 104be82..e3ee23e 100644
--- a/src/dnsbl/lists.py
+++ b/src/dnsbl/lists.py
@@ -255,6 +255,7 @@ class List(sqlmodel.SQLModel, database.BackendMixin, table=True):
 
 		formats = {
 			"domains" : exporters.DomainsExporter,
+			"dnsbl"   : exporters.BlocklistExporter,
 			"hosts"   : exporters.HostsExporter,
 			"rpz"     : exporters.RPZExporter,
 		}
diff --git a/src/scripts/dnsbl.in b/src/scripts/dnsbl.in
index b3e9188..e810d76 100644
--- a/src/scripts/dnsbl.in
+++ b/src/scripts/dnsbl.in
@@ -101,7 +101,7 @@ class CLI(object):
 		export.add_argument("output", type=argparse.FileType("w"),
 				help=_("The output file"))
 		export.add_argument("--format", default="domains",
-				choices=("domains", "hosts", "rpz",), help=_("Output Format"))
+				choices=("domains", "dnsbl", "hosts", "rpz",), help=_("Output Format"))
 		export.set_defaults(func=self.__export)
 
 		# export-all
@@ -290,6 +290,7 @@ class CLI(object):
 		"""
 		formats = {
 			"domains" : "domains.txt",
+			"dnsbl"   : "dnsbl.zone",
 			"hosts"   : "hosts.txt",
 			"rpz"     : "rpz.zone",
 		}