From 0a61b0df1224a5470bcddab302bc199ca5a9e356 Mon Sep 17 00:00:00 2001 From: s_nakamoto Date: Sun, 29 Aug 2010 16:58:15 +0000 Subject: propset svn:eol-style native git-svn-id: https://bitcoin.svn.sourceforge.net/svnroot/bitcoin/trunk@146 1a98c847-1fd6-4fd8-948a-caf3550aa51b --- irc.cpp | 656 ++++++++++++++++++++++++++++++++-------------------------------- 1 file changed, 328 insertions(+), 328 deletions(-) (limited to 'irc.cpp') diff --git a/irc.cpp b/irc.cpp index 711841ec6..daa9a0db6 100644 --- a/irc.cpp +++ b/irc.cpp @@ -1,328 +1,328 @@ -// Copyright (c) 2009-2010 Satoshi Nakamoto -// Distributed under the MIT/X11 software license, see the accompanying -// file license.txt or http://www.opensource.org/licenses/mit-license.php. - -#include "headers.h" - -int nGotIRCAddresses = 0; - - - -#pragma pack(push, 1) -struct ircaddr -{ - int ip; - short port; -}; -#pragma pack(pop) - -string EncodeAddress(const CAddress& addr) -{ - struct ircaddr tmp; - tmp.ip = addr.ip; - tmp.port = addr.port; - - vector vch(UBEGIN(tmp), UEND(tmp)); - return string("u") + EncodeBase58Check(vch); -} - -bool DecodeAddress(string str, CAddress& addr) -{ - vector vch; - if (!DecodeBase58Check(str.substr(1), vch)) - return false; - - struct ircaddr tmp; - if (vch.size() != sizeof(tmp)) - return false; - memcpy(&tmp, &vch[0], sizeof(tmp)); - - addr = CAddress(tmp.ip, tmp.port, NODE_NETWORK); - return true; -} - - - - - - -static bool Send(SOCKET hSocket, const char* pszSend) -{ - if (strstr(pszSend, "PONG") != pszSend) - printf("IRC SENDING: %s\n", pszSend); - const char* psz = pszSend; - const char* pszEnd = psz + strlen(psz); - while (psz < pszEnd) - { - int ret = send(hSocket, psz, pszEnd - psz, MSG_NOSIGNAL); - if (ret < 0) - return false; - psz += ret; - } - return true; -} - -bool RecvLine(SOCKET hSocket, string& strLine) -{ - strLine = ""; - loop - { - char c; - int nBytes = recv(hSocket, &c, 1, 0); - if (nBytes > 0) - { - if (c == '\n') - continue; - if (c == '\r') - return true; - strLine += c; - if (strLine.size() >= 9000) - return true; - } - else if (nBytes <= 0) - { - if (!strLine.empty()) - return true; - // socket closed - printf("IRC socket closed\n"); - return false; - } - else - { - // socket error - int nErr = WSAGetLastError(); - if (nErr != WSAEMSGSIZE && nErr != WSAEINTR && nErr != WSAEINPROGRESS) - { - printf("IRC recv failed: %d\n", nErr); - return false; - } - } - } -} - -bool RecvLineIRC(SOCKET hSocket, string& strLine) -{ - loop - { - bool fRet = RecvLine(hSocket, strLine); - if (fRet) - { - if (fShutdown) - return false; - vector vWords; - ParseString(strLine, ' ', vWords); - if (vWords.size() >= 1 && vWords[0] == "PING") - { - strLine[1] = 'O'; - strLine += '\r'; - Send(hSocket, strLine.c_str()); - continue; - } - } - return fRet; - } -} - -int RecvUntil(SOCKET hSocket, const char* psz1, const char* psz2=NULL, const char* psz3=NULL) -{ - loop - { - string strLine; - if (!RecvLineIRC(hSocket, strLine)) - return 0; - printf("IRC %s\n", strLine.c_str()); - if (psz1 && strLine.find(psz1) != -1) - return 1; - if (psz2 && strLine.find(psz2) != -1) - return 2; - if (psz3 && strLine.find(psz3) != -1) - return 3; - } -} - -bool Wait(int nSeconds) -{ - if (fShutdown) - return false; - printf("IRC waiting %d seconds to reconnect\n", nSeconds); - for (int i = 0; i < nSeconds; i++) - { - if (fShutdown) - return false; - Sleep(1000); - } - return true; -} - - - -void ThreadIRCSeed(void* parg) -{ - if (mapArgs.count("-connect")) - return; - if (mapArgs.count("-noirc")) - return; - printf("ThreadIRCSeed started\n"); - int nErrorWait = 10; - int nRetryWait = 10; - bool fNameInUse = false; - bool fTOR = (fUseProxy && addrProxy.port == htons(9050)); - - while (!fShutdown) - { - //CAddress addrConnect("216.155.130.130:6667"); // chat.freenode.net - CAddress addrConnect("92.243.23.21:6667"); // irc.lfnet.org - if (!fTOR) - { - //struct hostent* phostent = gethostbyname("chat.freenode.net"); - struct hostent* phostent = gethostbyname("irc.lfnet.org"); - if (phostent && phostent->h_addr_list && phostent->h_addr_list[0]) - addrConnect = CAddress(*(u_long*)phostent->h_addr_list[0], htons(6667)); - } - - SOCKET hSocket; - if (!ConnectSocket(addrConnect, hSocket)) - { - printf("IRC connect failed\n"); - nErrorWait = nErrorWait * 11 / 10; - if (Wait(nErrorWait += 60)) - continue; - else - return; - } - - if (!RecvUntil(hSocket, "Found your hostname", "using your IP address instead", "Couldn't look up your hostname")) - { - closesocket(hSocket); - hSocket = INVALID_SOCKET; - nErrorWait = nErrorWait * 11 / 10; - if (Wait(nErrorWait += 60)) - continue; - else - return; - } - - string strMyName; - if (addrLocalHost.IsRoutable() && !fUseProxy && !fNameInUse) - strMyName = EncodeAddress(addrLocalHost); - else - strMyName = strprintf("x%u", GetRand(1000000000)); - - Send(hSocket, strprintf("NICK %s\r", strMyName.c_str()).c_str()); - Send(hSocket, strprintf("USER %s 8 * : %s\r", strMyName.c_str(), strMyName.c_str()).c_str()); - - int nRet = RecvUntil(hSocket, " 004 ", " 433 "); - if (nRet != 1) - { - closesocket(hSocket); - hSocket = INVALID_SOCKET; - if (nRet == 2) - { - printf("IRC name already in use\n"); - fNameInUse = true; - Wait(10); - continue; - } - nErrorWait = nErrorWait * 11 / 10; - if (Wait(nErrorWait += 60)) - continue; - else - return; - } - Sleep(500); - - Send(hSocket, "JOIN #bitcoin\r"); - Send(hSocket, "WHO #bitcoin\r"); - - int64 nStart = GetTime(); - string strLine; - while (!fShutdown && RecvLineIRC(hSocket, strLine)) - { - if (strLine.empty() || strLine.size() > 900 || strLine[0] != ':') - continue; - - vector vWords; - ParseString(strLine, ' ', vWords); - if (vWords.size() < 2) - continue; - - char pszName[10000]; - pszName[0] = '\0'; - - if (vWords[1] == "352" && vWords.size() >= 8) - { - // index 7 is limited to 16 characters - // could get full length name at index 10, but would be different from join messages - strlcpy(pszName, vWords[7].c_str(), sizeof(pszName)); - printf("IRC got who\n"); - } - - if (vWords[1] == "JOIN" && vWords[0].size() > 1) - { - // :username!username@50000007.F000000B.90000002.IP JOIN :#channelname - strlcpy(pszName, vWords[0].c_str() + 1, sizeof(pszName)); - if (strchr(pszName, '!')) - *strchr(pszName, '!') = '\0'; - printf("IRC got join\n"); - } - - if (pszName[0] == 'u') - { - CAddress addr; - if (DecodeAddress(pszName, addr)) - { - addr.nTime = GetAdjustedTime() - 51 * 60; - if (AddAddress(addr)) - printf("IRC got new address\n"); - nGotIRCAddresses++; - } - else - { - printf("IRC decode failed\n"); - } - } - } - closesocket(hSocket); - hSocket = INVALID_SOCKET; - - // IRC usually blocks TOR, so only try once - if (fTOR) - return; - - if (GetTime() - nStart > 20 * 60) - { - nErrorWait /= 3; - nRetryWait /= 3; - } - - nRetryWait = nRetryWait * 11 / 10; - if (!Wait(nRetryWait += 60)) - return; - } -} - - - - - - - - - - -#ifdef TEST -int main(int argc, char *argv[]) -{ - WSADATA wsadata; - if (WSAStartup(MAKEWORD(2,2), &wsadata) != NO_ERROR) - { - printf("Error at WSAStartup()\n"); - return false; - } - - ThreadIRCSeed(NULL); - - WSACleanup(); - return 0; -} -#endif +// Copyright (c) 2009-2010 Satoshi Nakamoto +// Distributed under the MIT/X11 software license, see the accompanying +// file license.txt or http://www.opensource.org/licenses/mit-license.php. + +#include "headers.h" + +int nGotIRCAddresses = 0; + + + +#pragma pack(push, 1) +struct ircaddr +{ + int ip; + short port; +}; +#pragma pack(pop) + +string EncodeAddress(const CAddress& addr) +{ + struct ircaddr tmp; + tmp.ip = addr.ip; + tmp.port = addr.port; + + vector vch(UBEGIN(tmp), UEND(tmp)); + return string("u") + EncodeBase58Check(vch); +} + +bool DecodeAddress(string str, CAddress& addr) +{ + vector vch; + if (!DecodeBase58Check(str.substr(1), vch)) + return false; + + struct ircaddr tmp; + if (vch.size() != sizeof(tmp)) + return false; + memcpy(&tmp, &vch[0], sizeof(tmp)); + + addr = CAddress(tmp.ip, tmp.port, NODE_NETWORK); + return true; +} + + + + + + +static bool Send(SOCKET hSocket, const char* pszSend) +{ + if (strstr(pszSend, "PONG") != pszSend) + printf("IRC SENDING: %s\n", pszSend); + const char* psz = pszSend; + const char* pszEnd = psz + strlen(psz); + while (psz < pszEnd) + { + int ret = send(hSocket, psz, pszEnd - psz, MSG_NOSIGNAL); + if (ret < 0) + return false; + psz += ret; + } + return true; +} + +bool RecvLine(SOCKET hSocket, string& strLine) +{ + strLine = ""; + loop + { + char c; + int nBytes = recv(hSocket, &c, 1, 0); + if (nBytes > 0) + { + if (c == '\n') + continue; + if (c == '\r') + return true; + strLine += c; + if (strLine.size() >= 9000) + return true; + } + else if (nBytes <= 0) + { + if (!strLine.empty()) + return true; + // socket closed + printf("IRC socket closed\n"); + return false; + } + else + { + // socket error + int nErr = WSAGetLastError(); + if (nErr != WSAEMSGSIZE && nErr != WSAEINTR && nErr != WSAEINPROGRESS) + { + printf("IRC recv failed: %d\n", nErr); + return false; + } + } + } +} + +bool RecvLineIRC(SOCKET hSocket, string& strLine) +{ + loop + { + bool fRet = RecvLine(hSocket, strLine); + if (fRet) + { + if (fShutdown) + return false; + vector vWords; + ParseString(strLine, ' ', vWords); + if (vWords.size() >= 1 && vWords[0] == "PING") + { + strLine[1] = 'O'; + strLine += '\r'; + Send(hSocket, strLine.c_str()); + continue; + } + } + return fRet; + } +} + +int RecvUntil(SOCKET hSocket, const char* psz1, const char* psz2=NULL, const char* psz3=NULL) +{ + loop + { + string strLine; + if (!RecvLineIRC(hSocket, strLine)) + return 0; + printf("IRC %s\n", strLine.c_str()); + if (psz1 && strLine.find(psz1) != -1) + return 1; + if (psz2 && strLine.find(psz2) != -1) + return 2; + if (psz3 && strLine.find(psz3) != -1) + return 3; + } +} + +bool Wait(int nSeconds) +{ + if (fShutdown) + return false; + printf("IRC waiting %d seconds to reconnect\n", nSeconds); + for (int i = 0; i < nSeconds; i++) + { + if (fShutdown) + return false; + Sleep(1000); + } + return true; +} + + + +void ThreadIRCSeed(void* parg) +{ + if (mapArgs.count("-connect")) + return; + if (mapArgs.count("-noirc")) + return; + printf("ThreadIRCSeed started\n"); + int nErrorWait = 10; + int nRetryWait = 10; + bool fNameInUse = false; + bool fTOR = (fUseProxy && addrProxy.port == htons(9050)); + + while (!fShutdown) + { + //CAddress addrConnect("216.155.130.130:6667"); // chat.freenode.net + CAddress addrConnect("92.243.23.21:6667"); // irc.lfnet.org + if (!fTOR) + { + //struct hostent* phostent = gethostbyname("chat.freenode.net"); + struct hostent* phostent = gethostbyname("irc.lfnet.org"); + if (phostent && phostent->h_addr_list && phostent->h_addr_list[0]) + addrConnect = CAddress(*(u_long*)phostent->h_addr_list[0], htons(6667)); + } + + SOCKET hSocket; + if (!ConnectSocket(addrConnect, hSocket)) + { + printf("IRC connect failed\n"); + nErrorWait = nErrorWait * 11 / 10; + if (Wait(nErrorWait += 60)) + continue; + else + return; + } + + if (!RecvUntil(hSocket, "Found your hostname", "using your IP address instead", "Couldn't look up your hostname")) + { + closesocket(hSocket); + hSocket = INVALID_SOCKET; + nErrorWait = nErrorWait * 11 / 10; + if (Wait(nErrorWait += 60)) + continue; + else + return; + } + + string strMyName; + if (addrLocalHost.IsRoutable() && !fUseProxy && !fNameInUse) + strMyName = EncodeAddress(addrLocalHost); + else + strMyName = strprintf("x%u", GetRand(1000000000)); + + Send(hSocket, strprintf("NICK %s\r", strMyName.c_str()).c_str()); + Send(hSocket, strprintf("USER %s 8 * : %s\r", strMyName.c_str(), strMyName.c_str()).c_str()); + + int nRet = RecvUntil(hSocket, " 004 ", " 433 "); + if (nRet != 1) + { + closesocket(hSocket); + hSocket = INVALID_SOCKET; + if (nRet == 2) + { + printf("IRC name already in use\n"); + fNameInUse = true; + Wait(10); + continue; + } + nErrorWait = nErrorWait * 11 / 10; + if (Wait(nErrorWait += 60)) + continue; + else + return; + } + Sleep(500); + + Send(hSocket, "JOIN #bitcoin\r"); + Send(hSocket, "WHO #bitcoin\r"); + + int64 nStart = GetTime(); + string strLine; + while (!fShutdown && RecvLineIRC(hSocket, strLine)) + { + if (strLine.empty() || strLine.size() > 900 || strLine[0] != ':') + continue; + + vector vWords; + ParseString(strLine, ' ', vWords); + if (vWords.size() < 2) + continue; + + char pszName[10000]; + pszName[0] = '\0'; + + if (vWords[1] == "352" && vWords.size() >= 8) + { + // index 7 is limited to 16 characters + // could get full length name at index 10, but would be different from join messages + strlcpy(pszName, vWords[7].c_str(), sizeof(pszName)); + printf("IRC got who\n"); + } + + if (vWords[1] == "JOIN" && vWords[0].size() > 1) + { + // :username!username@50000007.F000000B.90000002.IP JOIN :#channelname + strlcpy(pszName, vWords[0].c_str() + 1, sizeof(pszName)); + if (strchr(pszName, '!')) + *strchr(pszName, '!') = '\0'; + printf("IRC got join\n"); + } + + if (pszName[0] == 'u') + { + CAddress addr; + if (DecodeAddress(pszName, addr)) + { + addr.nTime = GetAdjustedTime() - 51 * 60; + if (AddAddress(addr)) + printf("IRC got new address\n"); + nGotIRCAddresses++; + } + else + { + printf("IRC decode failed\n"); + } + } + } + closesocket(hSocket); + hSocket = INVALID_SOCKET; + + // IRC usually blocks TOR, so only try once + if (fTOR) + return; + + if (GetTime() - nStart > 20 * 60) + { + nErrorWait /= 3; + nRetryWait /= 3; + } + + nRetryWait = nRetryWait * 11 / 10; + if (!Wait(nRetryWait += 60)) + return; + } +} + + + + + + + + + + +#ifdef TEST +int main(int argc, char *argv[]) +{ + WSADATA wsadata; + if (WSAStartup(MAKEWORD(2,2), &wsadata) != NO_ERROR) + { + printf("Error at WSAStartup()\n"); + return false; + } + + ThreadIRCSeed(NULL); + + WSACleanup(); + return 0; +} +#endif -- cgit v1.2.3