Pieter Wuille
13 years ago
21 changed files with 1041 additions and 546 deletions
@ -0,0 +1,42 @@
@@ -0,0 +1,42 @@
|
||||
// Copyright (c) 2009-2010 Satoshi Nakamoto
|
||||
// Copyright (c) 2011 The Bitcoin developers
|
||||
// Distributed under the MIT/X11 software license, see the accompanying
|
||||
// file license.txt or http://www.opensource.org/licenses/mit-license.php.
|
||||
#ifndef _BITCOIN_COMPAT_H |
||||
#define _BITCOIN_COMPAT_H 1 |
||||
|
||||
typedef u_int SOCKET; |
||||
#ifdef WIN32 |
||||
#define MSG_NOSIGNAL 0 |
||||
#define MSG_DONTWAIT 0 |
||||
typedef int socklen_t; |
||||
#else |
||||
#include "errno.h" |
||||
#define WSAGetLastError() errno |
||||
#define WSAEINVAL EINVAL |
||||
#define WSAEALREADY EALREADY |
||||
#define WSAEWOULDBLOCK EWOULDBLOCK |
||||
#define WSAEMSGSIZE EMSGSIZE |
||||
#define WSAEINTR EINTR |
||||
#define WSAEINPROGRESS EINPROGRESS |
||||
#define WSAEADDRINUSE EADDRINUSE |
||||
#define WSAENOTSOCK EBADF |
||||
#define INVALID_SOCKET (SOCKET)(~0) |
||||
#define SOCKET_ERROR -1 |
||||
#endif |
||||
|
||||
inline int myclosesocket(SOCKET& hSocket) |
||||
{ |
||||
if (hSocket == INVALID_SOCKET) |
||||
return WSAENOTSOCK; |
||||
#ifdef WIN32 |
||||
int ret = closesocket(hSocket); |
||||
#else |
||||
int ret = close(hSocket); |
||||
#endif |
||||
hSocket = INVALID_SOCKET; |
||||
return ret; |
||||
} |
||||
#define closesocket(s) myclosesocket(s) |
||||
|
||||
#endif |
||||
@ -0,0 +1,715 @@
@@ -0,0 +1,715 @@
|
||||
// Copyright (c) 2009-2010 Satoshi Nakamoto
|
||||
// Copyright (c) 2011 The Bitcoin developers
|
||||
// Distributed under the MIT/X11 software license, see the accompanying
|
||||
// file license.txt or http://www.opensource.org/licenses/mit-license.php.
|
||||
|
||||
#include "netbase.h" |
||||
#include "util.h" |
||||
|
||||
#ifndef WIN32 |
||||
#include <sys/fcntl.h> |
||||
#endif |
||||
|
||||
#include "strlcpy.h" |
||||
|
||||
using namespace std; |
||||
|
||||
// Settings
|
||||
int fUseProxy = false; |
||||
CService addrProxy("127.0.0.1",9050); |
||||
int nConnectTimeout = 5000; |
||||
|
||||
|
||||
static const unsigned char pchIPv4[12] = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0xff, 0xff }; |
||||
|
||||
bool static LookupIntern(const char *pszName, std::vector<CNetAddr>& vIP, int nMaxSolutions, bool fAllowLookup) |
||||
{ |
||||
vIP.clear(); |
||||
struct addrinfo aiHint = {}; |
||||
aiHint.ai_socktype = SOCK_STREAM; |
||||
aiHint.ai_protocol = IPPROTO_TCP; |
||||
#ifdef WIN32 |
||||
# ifdef USE_IPV6 |
||||
aiHint.ai_family = AF_UNSPEC; |
||||
aiHint.ai_flags = fAllowLookup ? 0 : AI_NUMERICHOST; |
||||
# else |
||||
aiHint.ai_family = AF_INET; |
||||
aiHint.ai_flags = fAllowLookup ? 0 : AI_NUMERICHOST; |
||||
# endif |
||||
#else |
||||
# ifdef USE_IPV6 |
||||
aiHint.ai_family = AF_UNSPEC; |
||||
aiHint.ai_flags = AI_ADDRCONFIG | (fAllowLookup ? 0 : AI_NUMERICHOST); |
||||
# else |
||||
aiHint.ai_family = AF_INET; |
||||
aiHint.ai_flags = AI_ADDRCONFIG | (fAllowLookup ? 0 : AI_NUMERICHOST); |
||||
# endif |
||||
#endif |
||||
struct addrinfo *aiRes = NULL; |
||||
int nErr = getaddrinfo(pszName, NULL, &aiHint, &aiRes); |
||||
if (nErr) |
||||
return false; |
||||
|
||||
struct addrinfo *aiTrav = aiRes; |
||||
while (aiTrav != NULL && (nMaxSolutions == 0 || vIP.size() < nMaxSolutions)) |
||||
{ |
||||
if (aiTrav->ai_family == AF_INET) |
||||
{ |
||||
assert(aiTrav->ai_addrlen >= sizeof(sockaddr_in)); |
||||
vIP.push_back(CNetAddr(((struct sockaddr_in*)(aiTrav->ai_addr))->sin_addr)); |
||||
} |
||||
|
||||
#ifdef USE_IPV6 |
||||
if (aiTrav->ai_family == AF_INET6) |
||||
{ |
||||
assert(aiTrav->ai_addrlen >= sizeof(sockaddr_in6)); |
||||
vIP.push_back(CNetAddr(((struct sockaddr_in6*)(aiTrav->ai_addr))->sin6_addr)); |
||||
} |
||||
#endif |
||||
|
||||
aiTrav = aiTrav->ai_next; |
||||
} |
||||
|
||||
freeaddrinfo(aiRes); |
||||
|
||||
return (vIP.size() > 0); |
||||
} |
||||
|
||||
bool LookupHost(const char *pszName, std::vector<CNetAddr>& vIP, int nMaxSolutions, bool fAllowLookup) |
||||
{ |
||||
if (pszName[0] == 0) |
||||
return false; |
||||
char psz[256]; |
||||
char *pszHost = psz; |
||||
strlcpy(psz, pszName, sizeof(psz)); |
||||
if (psz[0] == '[' && psz[strlen(psz)-1] == ']') |
||||
{ |
||||
pszHost = psz+1; |
||||
psz[strlen(psz)-1] = 0; |
||||
} |
||||
|
||||
return LookupIntern(pszHost, vIP, nMaxSolutions, fAllowLookup); |
||||
} |
||||
|
||||
bool LookupHostNumeric(const char *pszName, std::vector<CNetAddr>& vIP, int nMaxSolutions) |
||||
{ |
||||
return LookupHost(pszName, vIP, nMaxSolutions, false); |
||||
} |
||||
|
||||
bool Lookup(const char *pszName, CService& addr, int portDefault, bool fAllowLookup) |
||||
{ |
||||
if (pszName[0] == 0) |
||||
return false; |
||||
int port = portDefault; |
||||
char psz[256]; |
||||
char *pszHost = psz; |
||||
strlcpy(psz, pszName, sizeof(psz)); |
||||
char* pszColon = strrchr(psz+1,':'); |
||||
char *pszPortEnd = NULL; |
||||
int portParsed = pszColon ? strtoul(pszColon+1, &pszPortEnd, 10) : 0; |
||||
if (pszColon && pszPortEnd && pszPortEnd[0] == 0) |
||||
{ |
||||
if (psz[0] == '[' && pszColon[-1] == ']') |
||||
{ |
||||
pszHost = psz+1; |
||||
pszColon[-1] = 0; |
||||
} |
||||
else |
||||
pszColon[0] = 0; |
||||
if (port >= 0 && port <= USHRT_MAX) |
||||
port = portParsed; |
||||
} |
||||
else |
||||
{ |
||||
if (psz[0] == '[' && psz[strlen(psz)-1] == ']') |
||||
{ |
||||
pszHost = psz+1; |
||||
psz[strlen(psz)-1] = 0; |
||||
} |
||||
|
||||
} |
||||
|
||||
std::vector<CNetAddr> vIP; |
||||
bool fRet = LookupIntern(pszHost, vIP, 1, fAllowLookup); |
||||
if (!fRet) |
||||
return false; |
||||
addr = CService(vIP[0], port); |
||||
return true; |
||||
} |
||||
|
||||
bool LookupNumeric(const char *pszName, CService& addr, int portDefault) |
||||
{ |
||||
return Lookup(pszName, addr, portDefault, false); |
||||
} |
||||
|
||||
bool ConnectSocket(const CService &addrDest, SOCKET& hSocketRet, int nTimeout) |
||||
{ |
||||
hSocketRet = INVALID_SOCKET; |
||||
|
||||
SOCKET hSocket = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP); |
||||
if (hSocket == INVALID_SOCKET) |
||||
return false; |
||||
#ifdef SO_NOSIGPIPE |
||||
int set = 1; |
||||
setsockopt(hSocket, SOL_SOCKET, SO_NOSIGPIPE, (void*)&set, sizeof(int)); |
||||
#endif |
||||
|
||||
bool fProxy = (fUseProxy && addrDest.IsRoutable()); |
||||
struct sockaddr_in sockaddr; |
||||
if (fProxy) |
||||
addrProxy.GetSockAddr(&sockaddr); |
||||
else |
||||
addrDest.GetSockAddr(&sockaddr); |
||||
|
||||
#ifdef WIN32 |
||||
u_long fNonblock = 1; |
||||
if (ioctlsocket(hSocket, FIONBIO, &fNonblock) == SOCKET_ERROR) |
||||
#else |
||||
int fFlags = fcntl(hSocket, F_GETFL, 0); |
||||
if (fcntl(hSocket, F_SETFL, fFlags | O_NONBLOCK) == -1) |
||||
#endif |
||||
{ |
||||
closesocket(hSocket); |
||||
return false; |
||||
} |
||||
|
||||
|
||||
if (connect(hSocket, (struct sockaddr*)&sockaddr, sizeof(sockaddr)) == SOCKET_ERROR) |
||||
{ |
||||
// WSAEINVAL is here because some legacy version of winsock uses it
|
||||
if (WSAGetLastError() == WSAEINPROGRESS || WSAGetLastError() == WSAEWOULDBLOCK || WSAGetLastError() == WSAEINVAL) |
||||
{ |
||||
struct timeval timeout; |
||||
timeout.tv_sec = nTimeout / 1000; |
||||
timeout.tv_usec = (nTimeout % 1000) * 1000; |
||||
|
||||
fd_set fdset; |
||||
FD_ZERO(&fdset); |
||||
FD_SET(hSocket, &fdset); |
||||
int nRet = select(hSocket + 1, NULL, &fdset, NULL, &timeout); |
||||
if (nRet == 0) |
||||
{ |
||||
printf("connection timeout\n"); |
||||
closesocket(hSocket); |
||||
return false; |
||||
} |
||||
if (nRet == SOCKET_ERROR) |
||||
{ |
||||
printf("select() for connection failed: %i\n",WSAGetLastError()); |
||||
closesocket(hSocket); |
||||
return false; |
||||
} |
||||
socklen_t nRetSize = sizeof(nRet); |
||||
#ifdef WIN32 |
||||
if (getsockopt(hSocket, SOL_SOCKET, SO_ERROR, (char*)(&nRet), &nRetSize) == SOCKET_ERROR) |
||||
#else |
||||
if (getsockopt(hSocket, SOL_SOCKET, SO_ERROR, &nRet, &nRetSize) == SOCKET_ERROR) |
||||
#endif |
||||
{ |
||||
printf("getsockopt() for connection failed: %i\n",WSAGetLastError()); |
||||
closesocket(hSocket); |
||||
return false; |
||||
} |
||||
if (nRet != 0) |
||||
{ |
||||
printf("connect() failed after select(): %s\n",strerror(nRet)); |
||||
closesocket(hSocket); |
||||
return false; |
||||
} |
||||
} |
||||
#ifdef WIN32 |
||||
else if (WSAGetLastError() != WSAEISCONN) |
||||
#else |
||||
else |
||||
#endif |
||||
{ |
||||
printf("connect() failed: %i\n",WSAGetLastError()); |
||||
closesocket(hSocket); |
||||
return false; |
||||
} |
||||
} |
||||
|
||||
// this isn't even strictly necessary
|
||||
// CNode::ConnectNode immediately turns the socket back to non-blocking
|
||||
// but we'll turn it back to blocking just in case
|
||||
#ifdef WIN32 |
||||
fNonblock = 0; |
||||
if (ioctlsocket(hSocket, FIONBIO, &fNonblock) == SOCKET_ERROR) |
||||
#else |
||||
fFlags = fcntl(hSocket, F_GETFL, 0); |
||||
if (fcntl(hSocket, F_SETFL, fFlags & !O_NONBLOCK) == SOCKET_ERROR) |
||||
#endif |
||||
{ |
||||
closesocket(hSocket); |
||||
return false; |
||||
} |
||||
|
||||
if (fProxy) |
||||
{ |
||||
printf("proxy connecting %s\n", addrDest.ToString().c_str()); |
||||
char pszSocks4IP[] = "\4\1\0\0\0\0\0\0user"; |
||||
struct sockaddr_in addr; |
||||
addrDest.GetSockAddr(&addr); |
||||
memcpy(pszSocks4IP + 2, &addr.sin_port, 2); |
||||
memcpy(pszSocks4IP + 4, &addr.sin_addr, 4); |
||||
char* pszSocks4 = pszSocks4IP; |
||||
int nSize = sizeof(pszSocks4IP); |
||||
|
||||
int ret = send(hSocket, pszSocks4, nSize, MSG_NOSIGNAL); |
||||
if (ret != nSize) |
||||
{ |
||||
closesocket(hSocket); |
||||
return error("Error sending to proxy"); |
||||
} |
||||
char pchRet[8]; |
||||
if (recv(hSocket, pchRet, 8, 0) != 8) |
||||
{ |
||||
closesocket(hSocket); |
||||
return error("Error reading proxy response"); |
||||
} |
||||
if (pchRet[1] != 0x5a) |
||||
{ |
||||
closesocket(hSocket); |
||||
if (pchRet[1] != 0x5b) |
||||
printf("ERROR: Proxy returned error %d\n", pchRet[1]); |
||||
return false; |
||||
} |
||||
printf("proxy connected %s\n", addrDest.ToString().c_str()); |
||||
} |
||||
|
||||
hSocketRet = hSocket; |
||||
return true; |
||||
} |
||||
|
||||
void CNetAddr::Init() |
||||
{ |
||||
memset(ip, 0, 16); |
||||
} |
||||
|
||||
void CNetAddr::SetIP(const CNetAddr& ipIn) |
||||
{ |
||||
memcpy(ip, ipIn.ip, sizeof(ip)); |
||||
} |
||||
|
||||
CNetAddr::CNetAddr() |
||||
{ |
||||
Init(); |
||||
} |
||||
|
||||
CNetAddr::CNetAddr(const struct in_addr& ipv4Addr) |
||||
{ |
||||
memcpy(ip, pchIPv4, 12); |
||||
memcpy(ip+12, &ipv4Addr, 4); |
||||
} |
||||
|
||||
#ifdef USE_IPV6 |
||||
CNetAddr::CNetAddr(const struct in6_addr& ipv6Addr) |
||||
{ |
||||
memcpy(ip, &ipv6Addr, 16); |
||||
} |
||||
#endif |
||||
|
||||
CNetAddr::CNetAddr(const char *pszIp, bool fAllowLookup) |
||||
{ |
||||
Init(); |
||||
std::vector<CNetAddr> vIP; |
||||
if (LookupHost(pszIp, vIP, 1, fAllowLookup)) |
||||
*this = vIP[0]; |
||||
} |
||||
|
||||
CNetAddr::CNetAddr(const std::string &strIp, bool fAllowLookup) |
||||
{ |
||||
Init(); |
||||
std::vector<CNetAddr> vIP; |
||||
if (LookupHost(strIp.c_str(), vIP, 1, fAllowLookup)) |
||||
*this = vIP[0]; |
||||
} |
||||
|
||||
int CNetAddr::GetByte(int n) const |
||||
{ |
||||
return ip[15-n]; |
||||
} |
||||
|
||||
bool CNetAddr::IsIPv4() const |
||||
{ |
||||
return (memcmp(ip, pchIPv4, sizeof(pchIPv4)) == 0); |
||||
} |
||||
|
||||
bool CNetAddr::IsRFC1918() const |
||||
{ |
||||
return IsIPv4() && ( |
||||
GetByte(3) == 10 || |
||||
(GetByte(3) == 192 && GetByte(2) == 168) || |
||||
(GetByte(3) == 172 && (GetByte(2) >= 16 && GetByte(2) <= 31))); |
||||
} |
||||
|
||||
bool CNetAddr::IsRFC3927() const |
||||
{ |
||||
return IsIPv4() && (GetByte(3) == 169 && GetByte(2) == 254); |
||||
} |
||||
|
||||
bool CNetAddr::IsRFC3849() const |
||||
{ |
||||
return GetByte(15) == 0x20 && GetByte(14) == 0x01 && GetByte(13) == 0x0D && GetByte(12) == 0xB8; |
||||
} |
||||
|
||||
bool CNetAddr::IsRFC3964() const |
||||
{ |
||||
return (GetByte(15) == 0x20 && GetByte(14) == 0x02); |
||||
} |
||||
|
||||
bool CNetAddr::IsRFC6052() const |
||||
{ |
||||
static const unsigned char pchRFC6052[] = {0,0x64,0xFF,0x9B,0,0,0,0,0,0,0,0}; |
||||
return (memcmp(ip, pchRFC6052, sizeof(pchRFC6052)) == 0); |
||||
} |
||||
|
||||
bool CNetAddr::IsRFC4380() const |
||||
{ |
||||
return (GetByte(15) == 0x20 && GetByte(14) == 0x01 && GetByte(13) == 0 && GetByte(12) == 0); |
||||
} |
||||
|
||||
bool CNetAddr::IsRFC4862() const |
||||
{ |
||||
static const unsigned char pchRFC4862[] = {0xFE,0x80,0,0,0,0,0,0}; |
||||
return (memcmp(ip, pchRFC4862, sizeof(pchRFC4862)) == 0); |
||||
} |
||||
|
||||
bool CNetAddr::IsRFC4193() const |
||||
{ |
||||
return ((GetByte(15) & 0xFE) == 0xFC); |
||||
} |
||||
|
||||
bool CNetAddr::IsRFC6145() const |
||||
{ |
||||
static const unsigned char pchRFC6145[] = {0,0,0,0,0,0,0,0,0xFF,0xFF,0,0}; |
||||
return (memcmp(ip, pchRFC6145, sizeof(pchRFC6145)) == 0); |
||||
} |
||||
|
||||
bool CNetAddr::IsRFC4843() const |
||||
{ |
||||
return (GetByte(15) == 0x20 && GetByte(14) == 0x01 && GetByte(13) == 0x00 && GetByte(12) & 0xF0 == 0x10); |
||||
} |
||||
|
||||
bool CNetAddr::IsLocal() const |
||||
{ |
||||
// IPv4 loopback
|
||||
if (IsIPv4() && (GetByte(3) == 127 || GetByte(3) == 0)) |
||||
return true; |
||||
|
||||
// IPv6 loopback (::1/128)
|
||||
static const unsigned char pchLocal[16] = {0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1}; |
||||
if (memcmp(ip, pchLocal, 16) == 0) |
||||
return true; |
||||
|
||||
return false; |
||||
} |
||||
|
||||
bool CNetAddr::IsMulticast() const |
||||
{ |
||||
return (IsIPv4() && (GetByte(3) & 0xF0) == 0xE0) |
||||
|| (GetByte(15) == 0xFF); |
||||
} |
||||
|
||||
bool CNetAddr::IsValid() const |
||||
{ |
||||
// Clean up 3-byte shifted addresses caused by garbage in size field
|
||||
// of addr messages from versions before 0.2.9 checksum.
|
||||
// Two consecutive addr messages look like this:
|
||||
// header20 vectorlen3 addr26 addr26 addr26 header20 vectorlen3 addr26 addr26 addr26...
|
||||
// so if the first length field is garbled, it reads the second batch
|
||||
// of addr misaligned by 3 bytes.
|
||||
if (memcmp(ip, pchIPv4+3, sizeof(pchIPv4)-3) == 0) |
||||
return false; |
||||
|
||||
// unspecified IPv6 address (::/128)
|
||||
unsigned char ipNone[16] = {}; |
||||
if (memcmp(ip, ipNone, 16) == 0) |
||||
return false; |
||||
|
||||
// documentation IPv6 address
|
||||
if (IsRFC3849()) |
||||
return false; |
||||
|
||||
if (IsIPv4()) |
||||
{ |
||||
// INADDR_NONE
|
||||
uint32_t ipNone = INADDR_NONE; |
||||
if (memcmp(ip+12, &ipNone, 4) == 0) |
||||
return false; |
||||
|
||||
// 0
|
||||
ipNone = 0; |
||||
if (memcmp(ip+12, &ipNone, 4) == 0) |
||||
return false; |
||||
} |
||||
|
||||
return true; |
||||
} |
||||
|
||||
bool CNetAddr::IsRoutable() const |
||||
{ |
||||
return IsValid() && !(IsRFC1918() || IsRFC3927() || IsRFC4862() || IsRFC4193() || IsRFC4843() || IsLocal()); |
||||
} |
||||
|
||||
std::string CNetAddr::ToStringIP() const |
||||
{ |
||||
if (IsIPv4()) |
||||
return strprintf("%u.%u.%u.%u", GetByte(3), GetByte(2), GetByte(1), GetByte(0)); |
||||
else |
||||
return strprintf("%x:%x:%x:%x:%x:%x:%x:%x", |
||||
GetByte(15) << 8 | GetByte(14), GetByte(13) << 8 | GetByte(12), |
||||
GetByte(11) << 8 | GetByte(10), GetByte(9) << 8 | GetByte(8), |
||||
GetByte(7) << 8 | GetByte(6), GetByte(5) << 8 | GetByte(4), |
||||
GetByte(3) << 8 | GetByte(2), GetByte(1) << 8 | GetByte(0)); |
||||
} |
||||
|
||||
std::string CNetAddr::ToString() const |
||||
{ |
||||
return ToStringIP(); |
||||
} |
||||
|
||||
bool operator==(const CNetAddr& a, const CNetAddr& b) |
||||
{ |
||||
return (memcmp(a.ip, b.ip, 16) == 0); |
||||
} |
||||
|
||||
bool operator!=(const CNetAddr& a, const CNetAddr& b) |
||||
{ |
||||
return (memcmp(a.ip, b.ip, 16) != 0); |
||||
} |
||||
|
||||
bool operator<(const CNetAddr& a, const CNetAddr& b) |
||||
{ |
||||
return (memcmp(a.ip, b.ip, 16) < 0); |
||||
} |
||||
|
||||
bool CNetAddr::GetInAddr(struct in_addr* pipv4Addr) const |
||||
{ |
||||
if (!IsIPv4()) |
||||
return false; |
||||
memcpy(pipv4Addr, ip+12, 4); |
||||
return true; |
||||
} |
||||
|
||||
#ifdef USE_IPV6 |
||||
bool CNetAddr::GetIn6Addr(struct in6_addr* pipv6Addr) const |
||||
{ |
||||
memcpy(pipv6Addr, ip, 16); |
||||
return true; |
||||
} |
||||
#endif |
||||
|
||||
// get canonical identifier of an address' group
|
||||
// no two connections will be attempted to addresses with the same group
|
||||
std::vector<unsigned char> CNetAddr::GetGroup() const |
||||
{ |
||||
std::vector<unsigned char> vchRet; |
||||
int nClass = 0; // 0=IPv6, 1=IPv4, 255=unroutable
|
||||
int nStartByte = 0; |
||||
int nBits = 16; |
||||
|
||||
// for unroutable addresses, each address is considered different
|
||||
if (!IsRoutable()) |
||||
{ |
||||
nClass = 255; |
||||
nBits = 128; |
||||
} |
||||
// for IPv4 addresses, '1' + the 16 higher-order bits of the IP
|
||||
// includes mapped IPv4, SIIT translated IPv4, and the well-known prefix
|
||||
else if (IsIPv4() || IsRFC6145() || IsRFC6052()) |
||||
{ |
||||
nClass = 1; |
||||
nStartByte = 12; |
||||
} |
||||
// for 6to4 tunneled addresses, use the encapsulated IPv4 address
|
||||
else if (IsRFC3964()) |
||||
{ |
||||
nClass = 1; |
||||
nStartByte = 2; |
||||
} |
||||
// for Teredo-tunneled IPv6 addresses, use the encapsulated IPv4 address
|
||||
else if (IsRFC4380()) |
||||
{ |
||||
vchRet.push_back(1); |
||||
vchRet.push_back(GetByte(3) ^ 0xFF); |
||||
vchRet.push_back(GetByte(2) ^ 0xFF); |
||||
return vchRet; |
||||
} |
||||
// for he.net, use /36 groups
|
||||
else if (GetByte(15) == 0x20 && GetByte(14) == 0x11 && GetByte(13) == 0x04 && GetByte(12) == 0x70) |
||||
nBits = 36; |
||||
// for the rest of the IPv6 network, use /32 groups
|
||||
else |
||||
nBits = 32; |
||||
|
||||
vchRet.push_back(nClass); |
||||
while (nBits >= 8) |
||||
{ |
||||
vchRet.push_back(GetByte(15 - nStartByte)); |
||||
nStartByte++; |
||||
nBits -= 8; |
||||
} |
||||
if (nBits > 0) |
||||
vchRet.push_back(GetByte(15 - nStartByte) | ((1 << nBits) - 1)); |
||||
|
||||
return vchRet; |
||||
} |
||||
|
||||
int64 CNetAddr::GetHash() const |
||||
{ |
||||
uint256 hash = Hash(&ip[0], &ip[16]); |
||||
int64 nRet; |
||||
memcpy(&nRet, &hash, sizeof(nRet)); |
||||
return nRet; |
||||
} |
||||
|
||||
void CNetAddr::print() const |
||||
{ |
||||
printf("CNetAddr(%s)\n", ToString().c_str()); |
||||
} |
||||
|
||||
void CService::Init() |
||||
{ |
||||
port = 0; |
||||
} |
||||
|
||||
CService::CService() |
||||
{ |
||||
Init(); |
||||
} |
||||
|
||||
CService::CService(const CNetAddr& cip, unsigned short portIn) : CNetAddr(cip), port(portIn) |
||||
{ |
||||
} |
||||
|
||||
CService::CService(const struct in_addr& ipv4Addr, unsigned short portIn) : CNetAddr(ipv4Addr), port(portIn) |
||||
{ |
||||
} |
||||
|
||||
#ifdef USE_IPV6 |
||||
CService::CService(const struct in6_addr& ipv6Addr, unsigned short portIn) : CNetAddr(ipv6Addr), port(portIn) |
||||
{ |
||||
} |
||||
#endif |
||||
|
||||
CService::CService(const struct sockaddr_in& addr) : CNetAddr(addr.sin_addr), port(ntohs(addr.sin_port)) |
||||
{ |
||||
assert(addr.sin_family == AF_INET); |
||||
} |
||||
|
||||
#ifdef USE_IPV6 |
||||
CService::CService(const struct sockaddr_in6 &addr) : CNetAddr(addr.sin6_addr), port(ntohs(addr.sin6_port)) |
||||
{ |
||||
assert(addr.sin6_family == AF_INET6); |
||||
} |
||||
#endif |
||||
|
||||
CService::CService(const char *pszIpPort, bool fAllowLookup) |
||||
{ |
||||
Init(); |
||||
CService ip; |
||||
if (Lookup(pszIpPort, ip, 0, fAllowLookup)) |
||||
*this = ip; |
||||
} |
||||
|
||||
CService::CService(const char *pszIp, int portIn, bool fAllowLookup) |
||||
{ |
||||
std::vector<CNetAddr> ip; |
||||
if (LookupHost(pszIp, ip, 1, fAllowLookup)) |
||||
*this = CService(ip[0], portIn); |
||||
} |
||||
|
||||
CService::CService(const std::string &strIpPort, bool fAllowLookup) |
||||
{ |
||||
Init(); |
||||
CService ip; |
||||
if (Lookup(strIpPort.c_str(), ip, 0, fAllowLookup)) |
||||
*this = ip; |
||||
} |
||||
|
||||
CService::CService(const std::string &strIp, int portIn, bool fAllowLookup) |
||||
{ |
||||
std::vector<CNetAddr> ip; |
||||
if (LookupHost(strIp.c_str(), ip, 1, fAllowLookup)) |
||||
*this = CService(ip[0], portIn); |
||||
} |
||||
|
||||
unsigned short CService::GetPort() const |
||||
{ |
||||
return port; |
||||
} |
||||
|
||||
bool operator==(const CService& a, const CService& b) |
||||
{ |
||||
return (CNetAddr)a == (CNetAddr)b && a.port == b.port; |
||||
} |
||||
|
||||
bool operator!=(const CService& a, const CService& b) |
||||
{ |
||||
return (CNetAddr)a != (CNetAddr)b || a.port != b.port; |
||||
} |
||||
|
||||
bool operator<(const CService& a, const CService& b) |
||||
{ |
||||
return (CNetAddr)a < (CNetAddr)b || ((CNetAddr)a == (CNetAddr)b && a.port < b.port); |
||||
} |
||||
|
||||
bool CService::GetSockAddr(struct sockaddr_in* paddr) const |
||||
{ |
||||
if (!IsIPv4()) |
||||
return false; |
||||
memset(paddr, 0, sizeof(struct sockaddr_in)); |
||||
if (!GetInAddr(&paddr->sin_addr)) |
||||
return false; |
||||
paddr->sin_family = AF_INET; |
||||
paddr->sin_port = htons(port); |
||||
return true; |
||||
} |
||||
|
||||
#ifdef USE_IPV6 |
||||
bool CService::GetSockAddr6(struct sockaddr_in6* paddr) const |
||||
{ |
||||
memset(paddr, 0, sizeof(struct sockaddr_in6)); |
||||
if (!GetIn6Addr(&paddr->sin6_addr)) |
||||
return false; |
||||
paddr->sin6_family = AF_INET6; |
||||
paddr->sin6_port = htons(port); |
||||
return true; |
||||
} |
||||
#endif |
||||
|
||||
std::vector<unsigned char> CService::GetKey() const |
||||
{ |
||||
std::vector<unsigned char> vKey; |
||||
vKey.resize(18); |
||||
memcpy(&vKey[0], ip, 16); |
||||
vKey[16] = port / 0x100; |
||||
vKey[17] = port & 0x0FF; |
||||
return vKey; |
||||
} |
||||
|
||||
std::string CService::ToStringPort() const |
||||
{ |
||||
return strprintf(":%i", port); |
||||
} |
||||
|
||||
std::string CService::ToStringIPPort() const |
||||
{ |
||||
return ToStringIP() + ToStringPort(); |
||||
} |
||||
|
||||
std::string CService::ToString() const |
||||
{ |
||||
return ToStringIPPort(); |
||||
} |
||||
|
||||
void CService::print() const |
||||
{ |
||||
printf("CService(%s)\n", ToString().c_str()); |
||||
} |
||||
|
||||
void CService::SetPort(unsigned short portIn) |
||||
{ |
||||
port = portIn; |
||||
} |
||||
@ -0,0 +1,138 @@
@@ -0,0 +1,138 @@
|
||||
// Copyright (c) 2011 The Bitcoin developers
|
||||
// Distributed under the MIT/X11 software license, see the accompanying
|
||||
// file license.txt or http://www.opensource.org/licenses/mit-license.php.
|
||||
#ifndef BITCOIN_NETBASE_H |
||||
#define BITCOIN_NETBASE_H |
||||
|
||||
#include <string> |
||||
#include <vector> |
||||
|
||||
#ifdef WIN32 |
||||
#define _WIN32_WINNT 0x0501 |
||||
#include <winsock2.h> |
||||
#include <mswsock.h> |
||||
#include <ws2tcpip.h> |
||||
#else |
||||
#include <sys/types.h> |
||||
#include <sys/socket.h> |
||||
#include <arpa/inet.h> |
||||
#include <netdb.h> |
||||
#include <net/if.h> |
||||
#include <ifaddrs.h> |
||||
#endif |
||||
#ifdef BSD |
||||
#include <netinet/in.h> |
||||
#endif |
||||
|
||||
#include "serialize.h" |
||||
#include "compat.h" |
||||
|
||||
extern int nConnectTimeout; |
||||
|
||||
|
||||
// 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); |
||||
CNetAddr(const char *pszIp, bool fAllowLookup = false); |
||||
CNetAddr(const std::string &strIp, bool fAllowLookup = false); |
||||
void Init(); |
||||
void SetIP(const CNetAddr& ip); |
||||
bool IsIPv4() const; // IPv4 mapped address (::FFFF:0:0/96, 0.0.0.0/0)
|
||||
bool IsRFC1918() const; // IPv4 private networks (10.0.0.0/8, 192.168.0.0/16, 172.16.0.0/12)
|
||||
bool IsRFC3849() const; // IPv6 documentation address (2001:0DB8::/32)
|
||||
bool IsRFC3927() const; // IPv4 autoconfig (169.254.0.0/16)
|
||||
bool IsRFC3964() const; // IPv6 6to4 tunneling (2002::/16)
|
||||
bool IsRFC4193() const; // IPv6 unique local (FC00::/15)
|
||||
bool IsRFC4380() const; // IPv6 Teredo tunneling (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 IsLocal() const; |
||||
bool IsRoutable() const; |
||||
bool IsValid() const; |
||||
bool IsMulticast() const; |
||||
std::string ToString() const; |
||||
std::string ToStringIP() const; |
||||
int GetByte(int n) const; |
||||
int64 GetHash() const; |
||||
bool GetInAddr(struct in_addr* pipv4Addr) const; |
||||
std::vector<unsigned char> GetGroup() const; |
||||
void print() const; |
||||
|
||||
#ifdef USE_IPV6 |
||||
CNetAddr(const struct in6_addr& pipv6Addr); |
||||
bool GetIn6Addr(struct in6_addr* pipv6Addr) const; |
||||
#endif |
||||
|
||||
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); |
||||
|
||||
IMPLEMENT_SERIALIZE |
||||
( |
||||
READWRITE(FLATDATA(ip)); |
||||
) |
||||
}; |
||||
|
||||
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); |
||||
CService(const char *pszIp, int port, bool fAllowLookup = false); |
||||
CService(const char *pszIpPort, bool fAllowLookup = false); |
||||
CService(const std::string& strIp, int port, bool fAllowLookup = false); |
||||
CService(const std::string& strIpPort, bool fAllowLookup = false); |
||||
void Init(); |
||||
void SetPort(unsigned short portIn); |
||||
unsigned short GetPort() const; |
||||
bool GetSockAddr(struct sockaddr_in* paddr) const; |
||||
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; |
||||
void print() const; |
||||
|
||||
#ifdef USE_IPV6 |
||||
CService(const struct in6_addr& ipv6Addr, unsigned short port); |
||||
bool GetSockAddr6(struct sockaddr_in6* paddr) const; |
||||
CService(const struct sockaddr_in6& addr); |
||||
#endif |
||||
|
||||
IMPLEMENT_SERIALIZE |
||||
( |
||||
CService* pthis = const_cast<CService*>(this); |
||||
READWRITE(FLATDATA(ip)); |
||||
unsigned short portN = htons(port); |
||||
READWRITE(portN); |
||||
if (fRead) |
||||
pthis->port = ntohs(portN); |
||||
) |
||||
}; |
||||
|
||||
bool LookupHost(const char *pszName, std::vector<CNetAddr>& vIP, int nMaxSolutions = 0, bool fAllowLookup = true); |
||||
bool LookupHostNumeric(const char *pszName, std::vector<CNetAddr>& vIP, int nMaxSolutions = 0); |
||||
bool Lookup(const char *pszName, CService& addr, int portDefault = 0, bool fAllowLookup = true); |
||||
bool LookupNumeric(const char *pszName, CService& addr, int portDefault = 0); |
||||
bool ConnectSocket(const CService &addr, SOCKET& hSocketRet, int nTimeout = nConnectTimeout); |
||||
|
||||
// Settings
|
||||
extern int fUseProxy; |
||||
extern CService addrProxy; |
||||
|
||||
#endif |
||||
Loading…
Reference in new issue