ZeroTierOne/node/DNS.hpp
2024-09-26 08:52:29 -04:00

56 lines
1.5 KiB
C++

/*
* Copyright (c)2020 ZeroTier, Inc.
*
* Use of this software is governed by the Business Source License included
* in the LICENSE.TXT file in the project's root directory.
*
* Change Date: 2026-01-01
*
* On the date above, in accordance with the Business Source License, use
* of this software will be governed by version 2.0 of the Apache License.
*/
/****/
#ifndef ZT_DNS_HPP
#define ZT_DNS_HPP
#include "../include/ZeroTierOne.h"
#include "Buffer.hpp"
#include "InetAddress.hpp"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
namespace ZeroTier {
/**
* DNS data serialization methods
*/
class DNS {
public:
template <unsigned int C> static inline void serializeDNS(Buffer<C>& b, const ZT_VirtualNetworkDNS* dns)
{
b.append(dns->domain, 128);
for (unsigned int j = 0; j < ZT_MAX_DNS_SERVERS; ++j) {
InetAddress tmp(dns->server_addr[j]);
tmp.serialize(b);
}
}
template <unsigned int C> static inline void deserializeDNS(const Buffer<C>& b, unsigned int& p, ZT_VirtualNetworkDNS* dns)
{
char* d = (char*)b.data() + p;
memset(dns, 0, sizeof(ZT_VirtualNetworkDNS));
memcpy(dns->domain, d, 128);
dns->domain[127] = 0;
p += 128;
for (unsigned int j = 0; j < ZT_MAX_DNS_SERVERS; ++j) {
p += reinterpret_cast<InetAddress*>(&(dns->server_addr[j]))->deserialize(b, p);
}
}
};
} // namespace ZeroTier
#endif // ZT_DNS_HPP