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19a2d668cf
d59a518
Use fixed preallocation instead of costly GetSerializeSize (Pieter Wuille)25a211a
Add optimized CSizeComputer serializers (Pieter Wuille)a2929a2
Make CSerAction's ForRead() constexpr (Pieter Wuille)a603925
Avoid -Wshadow errors (Pieter Wuille)5284721
Get rid of nType and nVersion (Pieter Wuille)657e05a
Make GetSerializeSize a wrapper on top of CSizeComputer (Pieter Wuille)fad9b66
Make nType and nVersion private and sometimes const (Pieter Wuille)c2c5d42
Make streams' read and write return void (Pieter Wuille)50e8a9c
Remove unused ReadVersion and WriteVersion (Pieter Wuille)
174 lines
6.1 KiB
C++
174 lines
6.1 KiB
C++
// Copyright (c) 2009-2015 The Bitcoin Core developers
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// Distributed under the MIT software license, see the accompanying
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// file COPYING or http://www.opensource.org/licenses/mit-license.php.
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#ifndef BITCOIN_NETADDRESS_H
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#define BITCOIN_NETADDRESS_H
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#if defined(HAVE_CONFIG_H)
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#include "config/dash-config.h"
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#endif
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#include "compat.h"
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#include "serialize.h"
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#include <stdint.h>
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#include <string>
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#include <vector>
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extern bool fAllowPrivateNet;
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enum Network
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{
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NET_UNROUTABLE = 0,
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NET_IPV4,
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NET_IPV6,
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NET_TOR,
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NET_MAX,
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};
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/** IP address (IPv6, or IPv4 using mapped IPv6 range (::FFFF:0:0/96)) */
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class CNetAddr
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{
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protected:
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unsigned char ip[16]; // in network byte order
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uint32_t scopeId; // for scoped/link-local ipv6 addresses
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public:
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CNetAddr();
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CNetAddr(const struct in_addr& ipv4Addr);
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void Init();
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void SetIP(const CNetAddr& ip);
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/**
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* Set raw IPv4 or IPv6 address (in network byte order)
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* @note Only NET_IPV4 and NET_IPV6 are allowed for network.
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*/
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void SetRaw(Network network, const uint8_t *data);
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bool SetSpecial(const std::string &strName); // for Tor addresses
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bool IsIPv4() const; // IPv4 mapped address (::FFFF:0:0/96, 0.0.0.0/0)
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bool IsIPv6() const; // IPv6 address (not mapped IPv4, not Tor)
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bool IsRFC1918() const; // IPv4 private networks (10.0.0.0/8, 192.168.0.0/16, 172.16.0.0/12)
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bool IsRFC2544() const; // IPv4 inter-network communcations (192.18.0.0/15)
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bool IsRFC6598() const; // IPv4 ISP-level NAT (100.64.0.0/10)
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bool IsRFC5737() const; // IPv4 documentation addresses (192.0.2.0/24, 198.51.100.0/24, 203.0.113.0/24)
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bool IsRFC3849() const; // IPv6 documentation address (2001:0DB8::/32)
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bool IsRFC3927() const; // IPv4 autoconfig (169.254.0.0/16)
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bool IsRFC3964() const; // IPv6 6to4 tunnelling (2002::/16)
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bool IsRFC4193() const; // IPv6 unique local (FC00::/7)
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bool IsRFC4380() const; // IPv6 Teredo tunnelling (2001::/32)
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bool IsRFC4843() const; // IPv6 ORCHID (2001:10::/28)
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bool IsRFC4862() const; // IPv6 autoconfig (FE80::/64)
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bool IsRFC6052() const; // IPv6 well-known prefix (64:FF9B::/96)
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bool IsRFC6145() const; // IPv6 IPv4-translated address (::FFFF:0:0:0/96)
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bool IsTor() const;
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bool IsLocal() const;
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bool IsRoutable() const;
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bool IsValid() const;
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bool IsMulticast() const;
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enum Network GetNetwork() const;
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std::string ToString() const;
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std::string ToStringIP(bool fUseGetnameinfo = true) const;
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unsigned int GetByte(int n) const;
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uint64_t GetHash() const;
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bool GetInAddr(struct in_addr* pipv4Addr) const;
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std::vector<unsigned char> GetGroup() const;
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int GetReachabilityFrom(const CNetAddr *paddrPartner = NULL) const;
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CNetAddr(const struct in6_addr& pipv6Addr, const uint32_t scope = 0);
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bool GetIn6Addr(struct in6_addr* pipv6Addr) const;
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friend bool operator==(const CNetAddr& a, const CNetAddr& b);
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friend bool operator!=(const CNetAddr& a, const CNetAddr& b);
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friend bool operator<(const CNetAddr& a, const CNetAddr& b);
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ADD_SERIALIZE_METHODS;
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template <typename Stream, typename Operation>
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inline void SerializationOp(Stream& s, Operation ser_action) {
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READWRITE(FLATDATA(ip));
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}
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friend class CSubNet;
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};
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class CSubNet
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{
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protected:
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/// Network (base) address
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CNetAddr network;
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/// Netmask, in network byte order
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uint8_t netmask[16];
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/// Is this value valid? (only used to signal parse errors)
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bool valid;
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public:
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CSubNet();
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CSubNet(const CNetAddr &addr, int32_t mask);
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CSubNet(const CNetAddr &addr, const CNetAddr &mask);
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//constructor for single ip subnet (<ipv4>/32 or <ipv6>/128)
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explicit CSubNet(const CNetAddr &addr);
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bool Match(const CNetAddr &addr) const;
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std::string ToString() const;
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bool IsValid() const;
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friend bool operator==(const CSubNet& a, const CSubNet& b);
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friend bool operator!=(const CSubNet& a, const CSubNet& b);
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friend bool operator<(const CSubNet& a, const CSubNet& b);
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ADD_SERIALIZE_METHODS;
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template <typename Stream, typename Operation>
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inline void SerializationOp(Stream& s, Operation ser_action) {
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READWRITE(network);
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READWRITE(FLATDATA(netmask));
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READWRITE(FLATDATA(valid));
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}
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};
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/** A combination of a network address (CNetAddr) and a (TCP) port */
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class CService : public CNetAddr
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{
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protected:
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unsigned short port; // host order
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public:
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CService();
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CService(const CNetAddr& ip, unsigned short port);
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CService(const struct in_addr& ipv4Addr, unsigned short port);
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CService(const struct sockaddr_in& addr);
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void Init();
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void SetPort(unsigned short portIn);
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unsigned short GetPort() const;
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bool GetSockAddr(struct sockaddr* paddr, socklen_t *addrlen) const;
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bool SetSockAddr(const struct sockaddr* paddr);
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friend bool operator==(const CService& a, const CService& b);
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friend bool operator!=(const CService& a, const CService& b);
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friend bool operator<(const CService& a, const CService& b);
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std::vector<unsigned char> GetKey() const;
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std::string ToString(bool fUseGetnameinfo = true) const;
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std::string ToStringPort() const;
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std::string ToStringIPPort(bool fUseGetnameinfo = true) const;
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CService(const struct in6_addr& ipv6Addr, unsigned short port);
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CService(const struct sockaddr_in6& addr);
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ADD_SERIALIZE_METHODS;
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template <typename Stream, typename Operation>
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inline void SerializationOp(Stream& s, Operation ser_action) {
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READWRITE(FLATDATA(ip));
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unsigned short portN = htons(port);
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READWRITE(FLATDATA(portN));
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if (ser_action.ForRead())
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port = ntohs(portN);
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}
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};
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#endif // BITCOIN_NETADDRESS_H
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