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Diffstat (limited to 'dnsdist-svc.hh')
-rw-r--r-- | dnsdist-svc.hh | 66 |
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); |