diff options
Diffstat (limited to 'irc.cpp')
| -rw-r--r-- | irc.cpp | 648 |
1 files changed, 324 insertions, 324 deletions
@@ -1,324 +1,324 @@ -// 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<unsigned char> vch(UBEGIN(tmp), UEND(tmp));
- return string("u") + EncodeBase58Check(vch);
-}
-
-bool DecodeAddress(string str, CAddress& addr)
-{
- vector<unsigned char> 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<string> 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)
-{
- 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<string> 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<unsigned char> vch(UBEGIN(tmp), UEND(tmp)); + return string("u") + EncodeBase58Check(vch); +} + +bool DecodeAddress(string str, CAddress& addr) +{ + vector<unsigned char> 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<string> 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) +{ + 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<string> 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 |