[VerusCoin.git] / irc.cpp

// 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;
bool fGotExternalIP = false;

void ThreadIRCSeed2(void* parg);


#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 (fShutdown)
                return false;
            if (nBytes < 0)
            {
                int nErr = WSAGetLastError();
                if (nErr == WSAEMSGSIZE)
                    continue;
                if (nErr == WSAEWOULDBLOCK || nErr == WSAEINTR || nErr == WSAEINPROGRESS)
                {
                    Sleep(10);
                    continue;
                }
            }
            if (!strLine.empty())
                return true;
            if (nBytes == 0)
            {
                // socket closed
                printf("IRC socket closed\n");
                return false;
            }
            else
            {
                // socket error
                int nErr = WSAGetLastError();
                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, const char* psz4=NULL)
{
    loop
    {
        string strLine;
        strLine.reserve(10000);
        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;
        if (psz4 && strLine.find(psz4) != -1)
            return 4;
    }
}

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;
}

bool RecvCodeLine(SOCKET hSocket, const char* psz1, string& strRet)
{
    strRet.clear();
    loop
    {
        string strLine;
        if (!RecvLineIRC(hSocket, strLine))
            return false;

        vector<string> vWords;
        ParseString(strLine, ' ', vWords);
        if (vWords.size() < 2)
            continue;

        if (vWords[1] == psz1)
        {
            printf("IRC %s\n", strLine.c_str());
            strRet = strLine;
            return true;
        }
    }
}

bool GetIPFromIRC(SOCKET hSocket, string strMyName, unsigned int& ipRet)
{
    Send(hSocket, strprintf("USERHOST %s\r", strMyName.c_str()).c_str());

    string strLine;
    if (!RecvCodeLine(hSocket, "302", strLine))
        return false;

    vector<string> vWords;
    ParseString(strLine, ' ', vWords);
    if (vWords.size() < 4)
        return false;

    string str = vWords[3];
    if (str.rfind("@") == string::npos)
        return false;
    string strHost = str.substr(str.rfind("@")+1);

    unsigned int a=0, b=0, c=0, d=0;
    if (sscanf(strHost.c_str(), "%u.%u.%u.%u", &a, &b, &c, &d) == 4 &&
        inet_addr(strHost.c_str()) != INADDR_NONE)
    {
        printf("GetIPFromIRC() userhost is IP %s\n", strHost.c_str());
        ipRet = CAddress(strHost).ip;
    }
    else
    {
        // Hybrid IRC used by lfnet always returns IP when you userhost yourself,
        // but in case another IRC is ever used this should work.
        printf("GetIPFromIRC() got userhost %s\n", strHost.c_str());
        if (fUseProxy)
            return false;
        struct hostent* phostent = gethostbyname(strHost.c_str());
        if (!phostent || !phostent->h_addr_list || !phostent->h_addr_list[0])
            return false;
        ipRet = *(u_long*)phostent->h_addr_list[0];
    }

    return true;
}


void ThreadIRCSeed(void* parg)
{
    IMPLEMENT_RANDOMIZE_STACK(ThreadIRCSeed(parg));
    try
    {
        ThreadIRCSeed2(parg);
    }
    catch (std::exception& e) {
        PrintExceptionContinue(&e, "ThreadIRCSeed()");
    } catch (...) {
        PrintExceptionContinue(NULL, "ThreadIRCSeed()");
    }
    printf("ThreadIRCSeed exiting\n");
}

void ThreadIRCSeed2(void* parg)
{
    /* Dont advertise on IRC if we don't allow incoming connections */
    if (mapArgs.count("-connect") || fNoListen)
        return;

    if (GetBoolArg("-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", "ignoring 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);

        // Get our external IP from the IRC server and re-nick before joining the channel
        CAddress addrFromIRC;
        if (GetIPFromIRC(hSocket, strMyName, addrFromIRC.ip))
        {
            printf("GetIPFromIRC() returned %s\n", addrFromIRC.ToStringIP().c_str());
            if (!fUseProxy && addrFromIRC.IsRoutable())
            {
                // IRC lets you to re-nick
                fGotExternalIP = true;
                addrLocalHost.ip = addrFromIRC.ip;
                strMyName = EncodeAddress(addrLocalHost);
                Send(hSocket, strprintf("NICK %s\r", strMyName.c_str()).c_str());
            }
        }

        Send(hSocket, fTestNet ? "JOIN #bitcoinTEST\r" : "JOIN #bitcoin\r");
        Send(hSocket, fTestNet ? "WHO #bitcoinTEST\r"  : "WHO #bitcoin\r");

        int64 nStart = GetTime();
        string strLine;
        strLine.reserve(10000);
        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)
            {
                // :[email protected] 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();
                    if (AddAddress(addr, 51 * 60))
                        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
Commit	Line	Data
0a61b0df	1	// Copyright (c) 2009-2010 Satoshi Nakamoto
	2	// Distributed under the MIT/X11 software license, see the accompanying
	3	// file license.txt or http://www.opensource.org/licenses/mit-license.php.
	4
	5	#include "headers.h"
	6
	7	int nGotIRCAddresses = 0;
629e37dd	8	bool fGotExternalIP = false;
0a61b0df	9
f1e1fb4b	10	void ThreadIRCSeed2(void* parg);
	11
	12
0a61b0df	13
	14
	15	#pragma pack(push, 1)
	16	struct ircaddr
	17	{
	18	int ip;
	19	short port;
	20	};
	21	#pragma pack(pop)
	22
	23	string EncodeAddress(const CAddress& addr)
	24	{
	25	struct ircaddr tmp;
	26	tmp.ip = addr.ip;
	27	tmp.port = addr.port;
	28
	29	vector<unsigned char> vch(UBEGIN(tmp), UEND(tmp));
	30	return string("u") + EncodeBase58Check(vch);
	31	}
	32
	33	bool DecodeAddress(string str, CAddress& addr)
	34	{
	35	vector<unsigned char> vch;
	36	if (!DecodeBase58Check(str.substr(1), vch))
	37	return false;
	38
	39	struct ircaddr tmp;
	40	if (vch.size() != sizeof(tmp))
	41	return false;
	42	memcpy(&tmp, &vch[0], sizeof(tmp));
	43
	44	addr = CAddress(tmp.ip, tmp.port, NODE_NETWORK);
	45	return true;
	46	}
	47
	48
	49
	50
	51
	52
	53	static bool Send(SOCKET hSocket, const char* pszSend)
	54	{
	55	if (strstr(pszSend, "PONG") != pszSend)
	56	printf("IRC SENDING: %s\n", pszSend);
	57	const char* psz = pszSend;
	58	const char* pszEnd = psz + strlen(psz);
	59	while (psz < pszEnd)
	60	{
	61	int ret = send(hSocket, psz, pszEnd - psz, MSG_NOSIGNAL);
	62	if (ret < 0)
	63	return false;
	64	psz += ret;
	65	}
	66	return true;
	67	}
	68
	69	bool RecvLine(SOCKET hSocket, string& strLine)
	70	{
	71	strLine = "";
	72	loop
	73	{
	74	char c;
	75	int nBytes = recv(hSocket, &c, 1, 0);
	76	if (nBytes > 0)
77	{
78	if (c == '\n')
79	continue;
80	if (c == '\r')
81	return true;
82	strLine += c;
83	if (strLine.size() >= 9000)
84	return true;
85	}
86	else if (nBytes <= 0)
87	{
c891967b	88	if (fShutdown)
	89	return false;
	90	if (nBytes < 0)
	91	{
	92	int nErr = WSAGetLastError();
	93	if (nErr == WSAEMSGSIZE)
	94	continue;
	95	if (nErr == WSAEWOULDBLOCK \|\| nErr == WSAEINTR \|\| nErr == WSAEINPROGRESS)
	96	{
	97	Sleep(10);
	98	continue;
	99	}
	100	}
0a61b0df	101	if (!strLine.empty())
0a61b0df	102	return true;
c891967b	103	if (nBytes == 0)
	104	{
	105	// socket closed
	106	printf("IRC socket closed\n");
	107	return false;
	108	}
	109	else
0a61b0df	110	{
c891967b	111	// socket error
c891967b	112	int nErr = WSAGetLastError();
0a61b0df	113	printf("IRC recv failed: %d\n", nErr);
	114	return false;
	115	}
	116	}
	117	}
	118	}
	119
	120	bool RecvLineIRC(SOCKET hSocket, string& strLine)
	121	{
	122	loop
	123	{
	124	bool fRet = RecvLine(hSocket, strLine);
	125	if (fRet)
	126	{
	127	if (fShutdown)
	128	return false;
	129	vector<string> vWords;
	130	ParseString(strLine, ' ', vWords);
	131	if (vWords.size() >= 1 && vWords[0] == "PING")
	132	{
	133	strLine[1] = 'O';
	134	strLine += '\r';
	135	Send(hSocket, strLine.c_str());
	136	continue;
	137	}
	138	}
	139	return fRet;
	140	}
	141	}
	142
10384941	143	int RecvUntil(SOCKET hSocket, const char* psz1, const char* psz2=NULL, const char* psz3=NULL, const char* psz4=NULL)
0a61b0df	144	{
	145	loop
	146	{
	147	string strLine;
f1e1fb4b	148	strLine.reserve(10000);
0a61b0df	149	if (!RecvLineIRC(hSocket, strLine))
	150	return 0;
	151	printf("IRC %s\n", strLine.c_str());
	152	if (psz1 && strLine.find(psz1) != -1)
	153	return 1;
	154	if (psz2 && strLine.find(psz2) != -1)
	155	return 2;
	156	if (psz3 && strLine.find(psz3) != -1)
	157	return 3;
10384941	158	if (psz4 && strLine.find(psz4) != -1)
10384941	159	return 4;
0a61b0df	160	}
	161	}
	162
	163	bool Wait(int nSeconds)
	164	{
	165	if (fShutdown)
	166	return false;
	167	printf("IRC waiting %d seconds to reconnect\n", nSeconds);
	168	for (int i = 0; i < nSeconds; i++)
	169	{
	170	if (fShutdown)
	171	return false;
	172	Sleep(1000);
	173	}
	174	return true;
	175	}
	176
f03304a9	177	bool RecvCodeLine(SOCKET hSocket, const char* psz1, string& strRet)
	178	{
	179	strRet.clear();
	180	loop
	181	{
	182	string strLine;
	183	if (!RecvLineIRC(hSocket, strLine))
	184	return false;
	185
	186	vector<string> vWords;
	187	ParseString(strLine, ' ', vWords);
	188	if (vWords.size() < 2)
	189	continue;
	190
	191	if (vWords[1] == psz1)
	192	{
	193	printf("IRC %s\n", strLine.c_str());
	194	strRet = strLine;
	195	return true;
	196	}
	197	}
	198	}
	199
	200	bool GetIPFromIRC(SOCKET hSocket, string strMyName, unsigned int& ipRet)
	201	{
	202	Send(hSocket, strprintf("USERHOST %s\r", strMyName.c_str()).c_str());
	203
	204	string strLine;
	205	if (!RecvCodeLine(hSocket, "302", strLine))
	206	return false;
	207
	208	vector<string> vWords;
	209	ParseString(strLine, ' ', vWords);
	210	if (vWords.size() < 4)
	211	return false;
	212
	213	string str = vWords[3];
	214	if (str.rfind("@") == string::npos)
	215	return false;
	216	string strHost = str.substr(str.rfind("@")+1);
	217
	218	unsigned int a=0, b=0, c=0, d=0;
	219	if (sscanf(strHost.c_str(), "%u.%u.%u.%u", &a, &b, &c, &d) == 4 &&
	220	inet_addr(strHost.c_str()) != INADDR_NONE)
	221	{
	222	printf("GetIPFromIRC() userhost is IP %s\n", strHost.c_str());
	223	ipRet = CAddress(strHost).ip;
	224	}
	225	else
	226	{
629e37dd	227	// Hybrid IRC used by lfnet always returns IP when you userhost yourself,
629e37dd	228	// but in case another IRC is ever used this should work.
f03304a9	229	printf("GetIPFromIRC() got userhost %s\n", strHost.c_str());
	230	if (fUseProxy)
	231	return false;
	232	struct hostent* phostent = gethostbyname(strHost.c_str());
	233	if (!phostent \|\| !phostent->h_addr_list \|\| !phostent->h_addr_list[0])
	234	return false;
	235	ipRet = (u_long)phostent->h_addr_list[0];
	236	}
	237
	238	return true;
	239	}
	240
0a61b0df	241
	242
	243	void ThreadIRCSeed(void* parg)
f1e1fb4b	244	{
	245	IMPLEMENT_RANDOMIZE_STACK(ThreadIRCSeed(parg));
	246	try
	247	{
	248	ThreadIRCSeed2(parg);
	249	}
	250	catch (std::exception& e) {
	251	PrintExceptionContinue(&e, "ThreadIRCSeed()");
	252	} catch (...) {
	253	PrintExceptionContinue(NULL, "ThreadIRCSeed()");
	254	}
	255	printf("ThreadIRCSeed exiting\n");
	256	}
	257
	258	void ThreadIRCSeed2(void* parg)
0a61b0df	259	{
72b98616 W	260	/* Dont advertise on IRC if we don't allow incoming connections */
72b98616 W	261	if (mapArgs.count("-connect") \|\| fNoListen)
0a61b0df	262	return;
72b98616	263
bdde31d7	264	if (GetBoolArg("-noirc"))
0a61b0df	265	return;
	266	printf("ThreadIRCSeed started\n");
	267	int nErrorWait = 10;
	268	int nRetryWait = 10;
	269	bool fNameInUse = false;
	270	bool fTOR = (fUseProxy && addrProxy.port == htons(9050));
	271
	272	while (!fShutdown)
	273	{
	274	//CAddress addrConnect("216.155.130.130:6667"); // chat.freenode.net
	275	CAddress addrConnect("92.243.23.21:6667"); // irc.lfnet.org
	276	if (!fTOR)
	277	{
	278	//struct hostent* phostent = gethostbyname("chat.freenode.net");
	279	struct hostent* phostent = gethostbyname("irc.lfnet.org");
	280	if (phostent && phostent->h_addr_list && phostent->h_addr_list[0])
	281	addrConnect = CAddress((u_long)phostent->h_addr_list[0], htons(6667));
	282	}
	283
	284	SOCKET hSocket;
	285	if (!ConnectSocket(addrConnect, hSocket))
	286	{
	287	printf("IRC connect failed\n");
	288	nErrorWait = nErrorWait * 11 / 10;
	289	if (Wait(nErrorWait += 60))
	290	continue;
	291	else
	292	return;
	293	}
	294
10384941	295	if (!RecvUntil(hSocket, "Found your hostname", "using your IP address instead", "Couldn't look up your hostname", "ignoring hostname"))
0a61b0df	296	{
	297	closesocket(hSocket);
	298	hSocket = INVALID_SOCKET;
	299	nErrorWait = nErrorWait * 11 / 10;
	300	if (Wait(nErrorWait += 60))
	301	continue;
	302	else
	303	return;
	304	}
	305
	306	string strMyName;
	307	if (addrLocalHost.IsRoutable() && !fUseProxy && !fNameInUse)
	308	strMyName = EncodeAddress(addrLocalHost);
	309	else
	310	strMyName = strprintf("x%u", GetRand(1000000000));
	311
	312	Send(hSocket, strprintf("NICK %s\r", strMyName.c_str()).c_str());
	313	Send(hSocket, strprintf("USER %s 8 * : %s\r", strMyName.c_str(), strMyName.c_str()).c_str());
	314
	315	int nRet = RecvUntil(hSocket, " 004 ", " 433 ");
	316	if (nRet != 1)
	317	{
	318	closesocket(hSocket);
	319	hSocket = INVALID_SOCKET;
	320	if (nRet == 2)
	321	{
	322	printf("IRC name already in use\n");
	323	fNameInUse = true;
	324	Wait(10);
	325	continue;
	326	}
	327	nErrorWait = nErrorWait * 11 / 10;
	328	if (Wait(nErrorWait += 60))
	329	continue;
	330	else
	331	return;
	332	}
	333	Sleep(500);
	334
629e37dd	335	// Get our external IP from the IRC server and re-nick before joining the channel
f03304a9	336	CAddress addrFromIRC;
	337	if (GetIPFromIRC(hSocket, strMyName, addrFromIRC.ip))
	338	{
f03304a9	339	printf("GetIPFromIRC() returned %s\n", addrFromIRC.ToStringIP().c_str());
629e37dd	340	if (!fUseProxy && addrFromIRC.IsRoutable())
f03304a9	341	{
629e37dd	342	// IRC lets you to re-nick
629e37dd	343	fGotExternalIP = true;
f03304a9	344	addrLocalHost.ip = addrFromIRC.ip;
	345	strMyName = EncodeAddress(addrLocalHost);
	346	Send(hSocket, strprintf("NICK %s\r", strMyName.c_str()).c_str());
	347	}
	348	}
	349
5cbf7532	350	Send(hSocket, fTestNet ? "JOIN #bitcoinTEST\r" : "JOIN #bitcoin\r");
5cbf7532	351	Send(hSocket, fTestNet ? "WHO #bitcoinTEST\r" : "WHO #bitcoin\r");
0a61b0df	352
	353	int64 nStart = GetTime();
	354	string strLine;
f1e1fb4b	355	strLine.reserve(10000);
0a61b0df	356	while (!fShutdown && RecvLineIRC(hSocket, strLine))
	357	{
	358	if (strLine.empty() \|\| strLine.size() > 900 \|\| strLine[0] != ':')
	359	continue;
	360
	361	vector<string> vWords;
	362	ParseString(strLine, ' ', vWords);
	363	if (vWords.size() < 2)
	364	continue;
	365
	366	char pszName[10000];
	367	pszName[0] = '\0';
	368
	369	if (vWords[1] == "352" && vWords.size() >= 8)
	370	{
	371	// index 7 is limited to 16 characters
	372	// could get full length name at index 10, but would be different from join messages
	373	strlcpy(pszName, vWords[7].c_str(), sizeof(pszName));
	374	printf("IRC got who\n");
	375	}
	376
	377	if (vWords[1] == "JOIN" && vWords[0].size() > 1)
	378	{
	379	// :[email protected] JOIN :#channelname
	380	strlcpy(pszName, vWords[0].c_str() + 1, sizeof(pszName));
	381	if (strchr(pszName, '!'))
	382	*strchr(pszName, '!') = '\0';
	383	printf("IRC got join\n");
	384	}
	385
	386	if (pszName[0] == 'u')
	387	{
	388	CAddress addr;
	389	if (DecodeAddress(pszName, addr))
	390	{
c891967b	391	addr.nTime = GetAdjustedTime();
c891967b	392	if (AddAddress(addr, 51 * 60))
0a61b0df	393	printf("IRC got new address\n");
	394	nGotIRCAddresses++;
	395	}
	396	else
	397	{
	398	printf("IRC decode failed\n");
	399	}
	400	}
	401	}
	402	closesocket(hSocket);
	403	hSocket = INVALID_SOCKET;
	404
	405	// IRC usually blocks TOR, so only try once
	406	if (fTOR)
	407	return;
	408
	409	if (GetTime() - nStart > 20 * 60)
	410	{
	411	nErrorWait /= 3;
	412	nRetryWait /= 3;
	413	}
	414
	415	nRetryWait = nRetryWait * 11 / 10;
	416	if (!Wait(nRetryWait += 60))
	417	return;
	418	}
	419	}
	420
	421
	422
	423
	424
	425
	426
	427
	428
	429
	430	#ifdef TEST
	431	int main(int argc, char *argv[])
	432	{
	433	WSADATA wsadata;
	434	if (WSAStartup(MAKEWORD(2,2), &wsadata) != NO_ERROR)
	435	{
	436	printf("Error at WSAStartup()\n");
	437	return false;
	438	}
	439
	440	ThreadIRCSeed(NULL);
	441
	442	WSACleanup();
	443	return 0;
	444	}
	445	#endif