You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
206 lines
7.9 KiB
206 lines
7.9 KiB
// Copyright (c) 2009-2013 The Bitcoin Core developers |
|
// Distributed under the MIT software license, see the accompanying |
|
// file COPYING or http://www.opensource.org/licenses/mit-license.php. |
|
|
|
#ifndef BITCOIN_NETBASE_H |
|
#define BITCOIN_NETBASE_H |
|
|
|
#if defined(HAVE_CONFIG_H) |
|
#include "config/bitcoin-config.h" |
|
#endif |
|
|
|
#include "compat.h" |
|
#include "serialize.h" |
|
|
|
#include <stdint.h> |
|
#include <string> |
|
#include <vector> |
|
|
|
extern int nConnectTimeout; |
|
extern bool fNameLookup; |
|
|
|
/** -timeout default */ |
|
static const int DEFAULT_CONNECT_TIMEOUT = 5000; |
|
|
|
#ifdef WIN32 |
|
// In MSVC, this is defined as a macro, undefine it to prevent a compile and link error |
|
#undef SetPort |
|
#endif |
|
|
|
enum Network |
|
{ |
|
NET_UNROUTABLE = 0, |
|
NET_IPV4, |
|
NET_IPV6, |
|
NET_TOR, |
|
|
|
NET_MAX, |
|
}; |
|
|
|
/** IP address (IPv6, or IPv4 using mapped IPv6 range (::FFFF:0:0/96)) */ |
|
class CNetAddr |
|
{ |
|
protected: |
|
unsigned char ip[16]; // in network byte order |
|
|
|
public: |
|
CNetAddr(); |
|
CNetAddr(const struct in_addr& ipv4Addr); |
|
explicit CNetAddr(const char *pszIp, bool fAllowLookup = false); |
|
explicit CNetAddr(const std::string &strIp, bool fAllowLookup = false); |
|
void Init(); |
|
void SetIP(const CNetAddr& ip); |
|
|
|
/** |
|
* Set raw IPv4 or IPv6 address (in network byte order) |
|
* @note Only NET_IPV4 and NET_IPV6 are allowed for network. |
|
*/ |
|
void SetRaw(Network network, const uint8_t *data); |
|
|
|
bool SetSpecial(const std::string &strName); // for Tor addresses |
|
bool IsIPv4() const; // IPv4 mapped address (::FFFF:0:0/96, 0.0.0.0/0) |
|
bool IsIPv6() const; // IPv6 address (not mapped IPv4, not Tor) |
|
bool IsRFC1918() const; // IPv4 private networks (10.0.0.0/8, 192.168.0.0/16, 172.16.0.0/12) |
|
bool IsRFC2544() const; // IPv4 inter-network communcations (192.18.0.0/15) |
|
bool IsRFC6598() const; // IPv4 ISP-level NAT (100.64.0.0/10) |
|
bool IsRFC5737() const; // IPv4 documentation addresses (192.0.2.0/24, 198.51.100.0/24, 203.0.113.0/24) |
|
bool IsRFC3849() const; // IPv6 documentation address (2001:0DB8::/32) |
|
bool IsRFC3927() const; // IPv4 autoconfig (169.254.0.0/16) |
|
bool IsRFC3964() const; // IPv6 6to4 tunnelling (2002::/16) |
|
bool IsRFC4193() const; // IPv6 unique local (FC00::/7) |
|
bool IsRFC4380() const; // IPv6 Teredo tunnelling (2001::/32) |
|
bool IsRFC4843() const; // IPv6 ORCHID (2001:10::/28) |
|
bool IsRFC4862() const; // IPv6 autoconfig (FE80::/64) |
|
bool IsRFC6052() const; // IPv6 well-known prefix (64:FF9B::/96) |
|
bool IsRFC6145() const; // IPv6 IPv4-translated address (::FFFF:0:0:0/96) |
|
bool IsTor() const; |
|
bool IsLocal() const; |
|
bool IsRoutable() const; |
|
bool IsValid() const; |
|
bool IsMulticast() const; |
|
enum Network GetNetwork() const; |
|
std::string ToString() const; |
|
std::string ToStringIP() const; |
|
unsigned int GetByte(int n) const; |
|
uint64_t GetHash() const; |
|
bool GetInAddr(struct in_addr* pipv4Addr) const; |
|
std::vector<unsigned char> GetGroup() const; |
|
int GetReachabilityFrom(const CNetAddr *paddrPartner = NULL) const; |
|
|
|
CNetAddr(const struct in6_addr& pipv6Addr); |
|
bool GetIn6Addr(struct in6_addr* pipv6Addr) const; |
|
|
|
friend bool operator==(const CNetAddr& a, const CNetAddr& b); |
|
friend bool operator!=(const CNetAddr& a, const CNetAddr& b); |
|
friend bool operator<(const CNetAddr& a, const CNetAddr& b); |
|
|
|
ADD_SERIALIZE_METHODS; |
|
|
|
template <typename Stream, typename Operation> |
|
inline void SerializationOp(Stream& s, Operation ser_action, int nType, int nVersion) { |
|
READWRITE(FLATDATA(ip)); |
|
} |
|
|
|
friend class CSubNet; |
|
}; |
|
|
|
class CSubNet |
|
{ |
|
protected: |
|
/// Network (base) address |
|
CNetAddr network; |
|
/// Netmask, in network byte order |
|
uint8_t netmask[16]; |
|
/// Is this value valid? (only used to signal parse errors) |
|
bool valid; |
|
|
|
public: |
|
CSubNet(); |
|
explicit CSubNet(const std::string &strSubnet, bool fAllowLookup = false); |
|
|
|
bool Match(const CNetAddr &addr) const; |
|
|
|
std::string ToString() const; |
|
bool IsValid() const; |
|
|
|
friend bool operator==(const CSubNet& a, const CSubNet& b); |
|
friend bool operator!=(const CSubNet& a, const CSubNet& b); |
|
}; |
|
|
|
/** A combination of a network address (CNetAddr) and a (TCP) port */ |
|
class CService : public CNetAddr |
|
{ |
|
protected: |
|
unsigned short port; // host order |
|
|
|
public: |
|
CService(); |
|
CService(const CNetAddr& ip, unsigned short port); |
|
CService(const struct in_addr& ipv4Addr, unsigned short port); |
|
CService(const struct sockaddr_in& addr); |
|
explicit CService(const char *pszIpPort, int portDefault, bool fAllowLookup = false); |
|
explicit CService(const char *pszIpPort, bool fAllowLookup = false); |
|
explicit CService(const std::string& strIpPort, int portDefault, bool fAllowLookup = false); |
|
explicit CService(const std::string& strIpPort, bool fAllowLookup = false); |
|
void Init(); |
|
void SetPort(unsigned short portIn); |
|
unsigned short GetPort() const; |
|
bool GetSockAddr(struct sockaddr* paddr, socklen_t *addrlen) const; |
|
bool SetSockAddr(const struct sockaddr* paddr); |
|
friend bool operator==(const CService& a, const CService& b); |
|
friend bool operator!=(const CService& a, const CService& b); |
|
friend bool operator<(const CService& a, const CService& b); |
|
std::vector<unsigned char> GetKey() const; |
|
std::string ToString() const; |
|
std::string ToStringPort() const; |
|
std::string ToStringIPPort() const; |
|
|
|
CService(const struct in6_addr& ipv6Addr, unsigned short port); |
|
CService(const struct sockaddr_in6& addr); |
|
|
|
ADD_SERIALIZE_METHODS; |
|
|
|
template <typename Stream, typename Operation> |
|
inline void SerializationOp(Stream& s, Operation ser_action, int nType, int nVersion) { |
|
READWRITE(FLATDATA(ip)); |
|
unsigned short portN = htons(port); |
|
READWRITE(FLATDATA(portN)); |
|
if (ser_action.ForRead()) |
|
port = ntohs(portN); |
|
} |
|
}; |
|
|
|
class proxyType |
|
{ |
|
public: |
|
proxyType(): randomize_credentials(false) {} |
|
proxyType(const CService &proxy, bool randomize_credentials=false): proxy(proxy), randomize_credentials(randomize_credentials) {} |
|
|
|
bool IsValid() const { return proxy.IsValid(); } |
|
|
|
CService proxy; |
|
bool randomize_credentials; |
|
}; |
|
|
|
enum Network ParseNetwork(std::string net); |
|
std::string GetNetworkName(enum Network net); |
|
void SplitHostPort(std::string in, int &portOut, std::string &hostOut); |
|
bool SetProxy(enum Network net, const proxyType &addrProxy); |
|
bool GetProxy(enum Network net, proxyType &proxyInfoOut); |
|
bool IsProxy(const CNetAddr &addr); |
|
bool SetNameProxy(const proxyType &addrProxy); |
|
bool HaveNameProxy(); |
|
bool LookupHost(const char *pszName, std::vector<CNetAddr>& vIP, unsigned int nMaxSolutions = 0, bool fAllowLookup = true); |
|
bool Lookup(const char *pszName, CService& addr, int portDefault = 0, bool fAllowLookup = true); |
|
bool Lookup(const char *pszName, std::vector<CService>& vAddr, int portDefault = 0, bool fAllowLookup = true, unsigned int nMaxSolutions = 0); |
|
bool LookupNumeric(const char *pszName, CService& addr, int portDefault = 0); |
|
bool ConnectSocket(const CService &addr, SOCKET& hSocketRet, int nTimeout, bool *outProxyConnectionFailed = 0); |
|
bool ConnectSocketByName(CService &addr, SOCKET& hSocketRet, const char *pszDest, int portDefault, int nTimeout, bool *outProxyConnectionFailed = 0); |
|
/** Return readable error string for a network error code */ |
|
std::string NetworkErrorString(int err); |
|
/** Close socket and set hSocket to INVALID_SOCKET */ |
|
bool CloseSocket(SOCKET& hSocket); |
|
/** Disable or enable blocking-mode for a socket */ |
|
bool SetSocketNonBlocking(SOCKET& hSocket, bool fNonBlocking); |
|
|
|
#endif // BITCOIN_NETBASE_H
|
|
|