1 files changed, 66 insertions, 0 deletions
diff --git a/dnsdist-svc.hh b/dnsdist-svc.hh
new file mode 100644
index 0000000..d0a1a8c
--- /dev/null
+++ b/dnsdist-svc.hh
@@ -0,0 +1,66 @@
+/*
+ * This file is part of PowerDNS or dnsdist.
+ * Copyright -- PowerDNS.COM B.V. and its contributors
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of version 2 of the GNU General Public License as
+ * published by the Free Software Foundation.
+ *
+ * In addition, for the avoidance of any doubt, permission is granted to
+ * link this program with OpenSSL and to (re)distribute the binaries
+ * produced as the result of such linking.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+#pragma once
+
+#include <optional>
+#include <set>
+#include <string>
+#include <vector>
+#include <unordered_map>
+#include <boost/variant.hpp>
+
+#include "dnsname.hh"
+#include "iputils.hh"
+
+struct SVCRecordParameters
+{
+  SVCRecordParameters()
+  {
+  }
+
+  std::set<uint16_t> mandatoryParams;
+  std::vector<std::string> alpns;
+  std::vector<ComboAddress> ipv4hints;
+  std::vector<ComboAddress> ipv6hints;
+  std::vector<std::pair<uint16_t, std::string>> additionalParams;
+  std::string ech;
+  DNSName target;
+  std::optional<uint16_t> port{std::nullopt};
+  uint16_t priority{0};
+  bool noDefaultAlpn{false};
+};
+
+typedef std::unordered_map<
+  std::string,
+  boost::variant<
+    uint16_t,
+    bool,
+    std::string,
+    std::vector<std::pair<int, std::string>>,
+    std::vector<std::pair<int, ComboAddress>>>>
+  svcParamsLua_t;
+
+struct SVCRecordParameters parseSVCParameters(const svcParamsLua_t& params);
+
+bool generateSVCPayload(std::vector<uint8_t>& payload, uint16_t priority, const DNSName& target, const std::set<uint16_t>& mandatoryParams, const std::vector<std::string>& alpns, bool noDefaultAlpn, std::optional<uint16_t> port, const std::string& ech, const std::vector<ComboAddress>& ipv4hints, const std::vector<ComboAddress>& ipv6hints, const std::vector<std::pair<uint16_t, std::string>>& additionalParams);
+
+bool generateSVCPayload(std::vector<uint8_t>& payload, const SVCRecordParameters& parameters);