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IRCSock.cpp
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IRCSock.cpp
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/*
* Copyright (C) 2004-2011 See the AUTHORS file for details.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 as published
* by the Free Software Foundation.
*/
#include "IRCSock.h"
#include "Chan.h"
#include "Client.h"
#include "User.h"
#include "znc.h"
#include "Server.h"
// These are used in OnGeneralCTCP()
const time_t CIRCSock::m_uCTCPFloodTime = 5;
const unsigned int CIRCSock::m_uCTCPFloodCount = 5;
CIRCSock::CIRCSock(CUser* pUser) : CZNCSock() {
m_pUser = pUser;
m_bAuthed = false;
m_bNamesx = false;
m_bUHNames = false;
EnableReadLine();
m_Nick.SetIdent(pUser->GetIdent());
m_Nick.SetHost(pUser->GetBindHost());
m_uMaxNickLen = 9;
m_uCapPaused = 0;
m_lastCTCP = 0;
m_uNumCTCP = 0;
m_sPerms = "*!@%+";
m_sPermModes = "qaohv";
m_mueChanModes['b'] = ListArg;
m_mueChanModes['e'] = ListArg;
m_mueChanModes['I'] = ListArg;
m_mueChanModes['k'] = HasArg;
m_mueChanModes['l'] = ArgWhenSet;
m_mueChanModes['p'] = NoArg;
m_mueChanModes['s'] = NoArg;
m_mueChanModes['t'] = NoArg;
m_mueChanModes['i'] = NoArg;
m_mueChanModes['n'] = NoArg;
pUser->SetIRCSocket(this);
// RFC says a line can have 512 chars max, but we don't care ;)
SetMaxBufferThreshold(1024);
}
CIRCSock::~CIRCSock() {
if (!m_bAuthed) {
MODULECALL(OnIRCConnectionError(this), m_pUser, NULL, NOTHING);
}
const vector<CChan*>& vChans = m_pUser->GetChans();
for (unsigned int a = 0; a < vChans.size(); a++) {
vChans[a]->Reset();
}
m_pUser->IRCDisconnected();
for (map<CString, CChan*>::iterator a = m_msChans.begin(); a != m_msChans.end(); ++a) {
delete a->second;
}
Quit();
m_msChans.clear();
GetUser()->AddBytesRead(GetBytesRead());
GetUser()->AddBytesWritten(GetBytesWritten());
}
void CIRCSock::Quit(const CString& sQuitMsg) {
if (!m_bAuthed) {
Close(CLT_NOW);
return;
}
if (!sQuitMsg.empty()) {
PutIRC("QUIT :" + sQuitMsg);
} else {
PutIRC("QUIT :" + m_pUser->ExpandString(m_pUser->GetQuitMsg()));
}
Close(CLT_AFTERWRITE);
}
void CIRCSock::ReadLine(const CString& sData) {
CString sLine = sData;
sLine.TrimRight("\n\r");
DEBUG("(" << m_pUser->GetUserName() << ") IRC -> ZNC [" << sLine << "]");
MODULECALL(OnRaw(sLine), m_pUser, NULL, return);
if (sLine.Equals("PING ", false, 5)) {
// Generate a reply and don't forward this to any user,
// we don't want any PING forwarded
PutIRC("PONG " + sLine.substr(5));
return;
} else if (sLine.Token(1).Equals("PONG")) {
// Block PONGs, we already responded to the pings
return;
} else if (sLine.Equals("ERROR ", false, 6)) {
//ERROR :Closing Link: nick[24.24.24.24] (Excess Flood)
CString sError(sLine.substr(6));
if (sError.Left(1) == ":") {
sError.LeftChomp();
}
m_pUser->PutStatus("Error from Server [" + sError + "]");
return;
}
CString sCmd = sLine.Token(1);
if ((sCmd.length() == 3) && (isdigit(sCmd[0])) && (isdigit(sCmd[1])) && (isdigit(sCmd[2]))) {
CString sServer = sLine.Token(0); sServer.LeftChomp();
unsigned int uRaw = sCmd.ToUInt();
CString sNick = sLine.Token(2);
CString sRest = sLine.Token(3, true);
switch (uRaw) {
case 1: { // :irc.server.com 001 nick :Welcome to the Internet Relay Network nick
if (m_bAuthed && sServer == "irc.znc.in") {
// m_bAuthed == true => we already received another 001 => we might be in a traffic loop
m_pUser->PutStatus("ZNC seems to be connected to itself, disconnecting...");
Quit();
return;
}
m_pUser->SetIRCServer(sServer);
SetTimeout(540, TMO_READ); // Now that we are connected, let nature take its course
PutIRC("WHO " + sNick);
m_bAuthed = true;
m_pUser->PutStatus("Connected!");
vector<CClient*>& vClients = m_pUser->GetClients();
for (unsigned int a = 0; a < vClients.size(); a++) {
CClient* pClient = vClients[a];
CString sClientNick = pClient->GetNick(false);
if (!sClientNick.Equals(sNick)) {
// If they connected with a nick that doesn't match the one we got on irc, then we need to update them
pClient->PutClient(":" + sClientNick + "!" + m_Nick.GetIdent() + "@" + m_Nick.GetHost() + " NICK :" + sNick);
}
}
SetNick(sNick);
MODULECALL(OnIRCConnected(), m_pUser, NULL, NOTHING);
m_pUser->ClearRawBuffer();
m_pUser->AddRawBuffer(":" + sServer + " " + sCmd + " ", " " + sRest);
break;
}
case 5:
ParseISupport(sRest);
m_pUser->UpdateExactRawBuffer(":" + sServer + " " + sCmd + " ", " " + sRest);
break;
case 10: { // :irc.server.com 010 nick <hostname> <port> :<info>
CString sHost = sRest.Token(0);
CString sPort = sRest.Token(1);
CString sInfo = sRest.Token(2, true).TrimPrefix_n(":");
m_pUser->PutStatus("Server [" + m_pUser->GetCurrentServer()->GetString(false) +
"] redirects us to [" + sHost + ":" + sPort + "] with reason [" + sInfo + "]");
m_pUser->PutStatus("Perhaps you want to add it as a new server.");
// Don't send server redirects to the client
return;
}
case 2:
case 3:
case 4:
case 250: // highest connection count
case 251: // user count
case 252: // oper count
case 254: // channel count
case 255: // client count
case 265: // local users
case 266: // global users
m_pUser->UpdateRawBuffer(":" + sServer + " " + sCmd + " ", " " + sRest);
break;
case 305:
m_pUser->SetIRCAway(false);
break;
case 306:
m_pUser->SetIRCAway(true);
break;
case 324: { // MODE
sRest.Trim();
CChan* pChan = m_pUser->FindChan(sRest.Token(0));
if (pChan) {
pChan->SetModes(sRest.Token(1, true));
// We don't SetModeKnown(true) here,
// because a 329 will follow
if (!pChan->IsModeKnown()) {
// When we JOIN, we send a MODE
// request. This makes sure the
// reply isn't forwarded.
return;
}
}
}
break;
case 329: {
sRest.Trim();
CChan* pChan = m_pUser->FindChan(sRest.Token(0));
if (pChan) {
unsigned long ulDate = sLine.Token(4).ToULong();
pChan->SetCreationDate(ulDate);
if (!pChan->IsModeKnown()) {
pChan->SetModeKnown(true);
// When we JOIN, we send a MODE
// request. This makes sure the
// reply isn't forwarded.
return;
}
}
}
break;
case 331: {
// :irc.server.com 331 yournick #chan :No topic is set.
CChan* pChan = m_pUser->FindChan(sLine.Token(3));
if (pChan) {
pChan->SetTopic("");
}
break;
}
case 332: {
// :irc.server.com 332 yournick #chan :This is a topic
CChan* pChan = m_pUser->FindChan(sLine.Token(3));
if (pChan) {
CString sTopic = sLine.Token(4, true);
sTopic.LeftChomp();
pChan->SetTopic(sTopic);
}
break;
}
case 333: {
// :irc.server.com 333 yournick #chan setternick 1112320796
CChan* pChan = m_pUser->FindChan(sLine.Token(3));
if (pChan) {
sNick = sLine.Token(4);
unsigned long ulDate = sLine.Token(5).ToULong();
pChan->SetTopicOwner(sNick);
pChan->SetTopicDate(ulDate);
}
break;
}
case 352: {
// :irc.yourserver.com 352 yournick #chan ident theirhost.com irc.theirserver.com theirnick H :0 Real Name
sServer = sLine.Token(0);
sNick = sLine.Token(7);
CString sIdent = sLine.Token(4);
CString sHost = sLine.Token(5);
sServer.LeftChomp();
if (sNick.Equals(GetNick())) {
m_Nick.SetIdent(sIdent);
m_Nick.SetHost(sHost);
}
m_pUser->SetIRCNick(m_Nick);
m_pUser->SetIRCServer(sServer);
const vector<CChan*>& vChans = m_pUser->GetChans();
for (unsigned int a = 0; a < vChans.size(); a++) {
vChans[a]->OnWho(sNick, sIdent, sHost);
}
break;
}
case 353: { // NAMES
sRest.Trim();
// Todo: allow for non @+= server msgs
CChan* pChan = m_pUser->FindChan(sRest.Token(1));
// If we don't know that channel, some client might have
// requested a /names for it and we really should forward this.
if (pChan) {
CString sNicks = sRest.Token(2, true);
if (sNicks.Left(1) == ":") {
sNicks.LeftChomp();
}
pChan->AddNicks(sNicks);
}
ForwardRaw353(sLine);
// We forwarded it already, so return
return;
}
case 366: { // end of names list
m_pUser->PutUser(sLine); // First send them the raw
// :irc.server.com 366 nick #chan :End of /NAMES list.
CChan* pChan = m_pUser->FindChan(sRest.Token(0));
if (pChan) {
if (pChan->IsOn()) {
// If we are the only one in the chan, set our default modes
if (pChan->GetNickCount() == 1) {
CString sModes = pChan->GetDefaultModes();
if (sModes.empty()) {
sModes = m_pUser->GetDefaultChanModes();
}
if (!sModes.empty()) {
PutIRC("MODE " + pChan->GetName() + " " + sModes);
}
}
}
}
return; // return so we don't send them the raw twice
}
case 375: // begin motd
case 422: // MOTD File is missing
m_pUser->ClearMotdBuffer();
case 372: // motd
case 376: // end motd
m_pUser->AddMotdBuffer(":" + sServer + " " + sCmd + " ", " " + sRest);
break;
case 437:
// :irc.server.net 437 * badnick :Nick/channel is temporarily unavailable
// :irc.server.net 437 mynick badnick :Nick/channel is temporarily unavailable
// :irc.server.net 437 mynick badnick :Cannot change nickname while banned on channel
if (m_pUser->IsChan(sRest.Token(0)) || sNick != "*")
break;
case 432: // :irc.server.com 432 * nick :Erroneous Nickname: Illegal characters
case 433: {
CString sBadNick = sRest.Token(0);
if (!m_bAuthed) {
SendAltNick(sBadNick);
return;
}
break;
}
case 451:
// :irc.server.com 451 CAP :You have not registered
// Servers that dont support CAP will give us this error, dont send it to the client
if (sNick.Equals("CAP"))
return;
case 470: {
// :irc.unreal.net 470 mynick [Link] #chan1 has become full, so you are automatically being transferred to the linked channel #chan2
// :mccaffrey.freenode.net 470 mynick #electronics ##electronics :Forwarding to another channel
// freenode style numeric
CChan* pChan = m_pUser->FindChan(sRest.Token(0));
if (!pChan) {
// unreal style numeric
pChan = m_pUser->FindChan(sRest.Token(1));
}
if (pChan) {
pChan->Disable();
m_pUser->PutStatus("Channel [" + pChan->GetName() + "] is linked to "
"another channel and was thus disabled.");
}
break;
}
}
} else {
CNick Nick(sLine.Token(0).LeftChomp_n());
sCmd = sLine.Token(1);
CString sRest = sLine.Token(2, true);
if (sCmd.Equals("NICK")) {
CString sNewNick = sRest;
bool bIsVisible = false;
if (sNewNick.Left(1) == ":") {
sNewNick.LeftChomp();
}
vector<CChan*> vFoundChans;
const vector<CChan*>& vChans = m_pUser->GetChans();
for (unsigned int a = 0; a < vChans.size(); a++) {
CChan* pChan = vChans[a];
if (pChan->ChangeNick(Nick.GetNick(), sNewNick)) {
vFoundChans.push_back(pChan);
if (!pChan->IsDetached()) {
bIsVisible = true;
}
}
}
// Todo: use nick compare function here
if (Nick.GetNick().Equals(GetNick())) {
// We are changing our own nick, the clients always must see this!
bIsVisible = true;
SetNick(sNewNick);
}
MODULECALL(OnNick(Nick, sNewNick, vFoundChans), m_pUser, NULL, NOTHING);
if (!bIsVisible) {
return;
}
} else if (sCmd.Equals("QUIT")) {
CString sMessage = sRest;
bool bIsVisible = false;
if (sMessage.Left(1) == ":") {
sMessage.LeftChomp();
}
// :nick!ident@host.com QUIT :message
if (Nick.GetNick().Equals(GetNick())) {
m_pUser->PutStatus("You quit [" + sMessage + "]");
// We don't call module hooks and we don't
// forward this quit to clients (Some clients
// disconnect if they receive such a QUIT)
return;
}
vector<CChan*> vFoundChans;
const vector<CChan*>& vChans = m_pUser->GetChans();
for (unsigned int a = 0; a < vChans.size(); a++) {
CChan* pChan = vChans[a];
if (pChan->RemNick(Nick.GetNick())) {
vFoundChans.push_back(pChan);
if (!pChan->IsDetached()) {
bIsVisible = true;
}
}
}
MODULECALL(OnQuit(Nick, sMessage, vFoundChans), m_pUser, NULL, NOTHING);
if (!bIsVisible) {
return;
}
} else if (sCmd.Equals("JOIN")) {
CString sChan = sRest.Token(0);
if (sChan.Left(1) == ":") {
sChan.LeftChomp();
}
CChan* pChan;
// Todo: use nick compare function
if (Nick.GetNick().Equals(GetNick())) {
m_pUser->AddChan(sChan, false);
pChan = m_pUser->FindChan(sChan);
if (pChan) {
pChan->Enable();
pChan->SetIsOn(true);
PutIRC("MODE " + sChan);
}
} else {
pChan = m_pUser->FindChan(sChan);
}
if (pChan) {
pChan->AddNick(Nick.GetNickMask());
MODULECALL(OnJoin(Nick.GetNickMask(), *pChan), m_pUser, NULL, NOTHING);
if (pChan->IsDetached()) {
return;
}
}
} else if (sCmd.Equals("PART")) {
CString sChan = sRest.Token(0);
if (sChan.Left(1) == ":") {
sChan.LeftChomp();
}
CString sMsg = sRest.Token(1, true).TrimPrefix_n(":");
CChan* pChan = m_pUser->FindChan(sChan);
bool bDetached = false;
if (pChan) {
pChan->RemNick(Nick.GetNick());
MODULECALL(OnPart(Nick.GetNickMask(), *pChan, sMsg), m_pUser, NULL, NOTHING);
if (pChan->IsDetached())
bDetached = true;
}
// Todo: use nick compare function
if (Nick.GetNick().Equals(GetNick())) {
m_pUser->DelChan(sChan);
}
/*
* We use this boolean because
* m_pUser->DelChan() will delete this channel
* and thus we would dereference an
* already-freed pointer!
*/
if (bDetached) {
return;
}
} else if (sCmd.Equals("MODE")) {
CString sTarget = sRest.Token(0);
CString sModes = sRest.Token(1, true);
if (sModes.Left(1) == ":")
sModes = sModes.substr(1);
CChan* pChan = m_pUser->FindChan(sTarget);
if (pChan) {
pChan->ModeChange(sModes, &Nick);
if (pChan->IsDetached()) {
return;
}
} else if (sTarget == m_Nick.GetNick()) {
CString sModeArg = sModes.Token(0);
bool bAdd = true;
/* no module call defined (yet?)
MODULECALL(OnRawUserMode(*pOpNick, *this, sModeArg, sArgs), m_pUser, NULL, );
*/
for (unsigned int a = 0; a < sModeArg.size(); a++) {
const unsigned char& uMode = sModeArg[a];
if (uMode == '+') {
bAdd = true;
} else if (uMode == '-') {
bAdd = false;
} else {
if (bAdd) {
m_scUserModes.insert(uMode);
} else {
m_scUserModes.erase(uMode);
}
}
}
}
} else if (sCmd.Equals("KICK")) {
// :opnick!ident@host.com KICK #chan nick :msg
CString sChan = sRest.Token(0);
CString sKickedNick = sRest.Token(1);
CString sMsg = sRest.Token(2, true);
sMsg.LeftChomp();
CChan* pChan = m_pUser->FindChan(sChan);
if (pChan) {
MODULECALL(OnKick(Nick, sKickedNick, *pChan, sMsg), m_pUser, NULL, NOTHING);
// do not remove the nick till after the OnKick call, so modules
// can do Chan.FindNick or something to get more info.
pChan->RemNick(sKickedNick);
}
if (GetNick().Equals(sKickedNick) && pChan) {
pChan->SetIsOn(false);
// Don't try to rejoin!
pChan->Disable();
}
if ((pChan) && (pChan->IsDetached())) {
return;
}
} else if (sCmd.Equals("NOTICE")) {
// :nick!ident@host.com NOTICE #chan :Message
CString sTarget = sRest.Token(0);
CString sMsg = sRest.Token(1, true);
sMsg.LeftChomp();
if (sMsg.WildCmp("\001*\001")) {
sMsg.LeftChomp();
sMsg.RightChomp();
if (sTarget.Equals(GetNick())) {
if (OnCTCPReply(Nick, sMsg)) {
return;
}
}
m_pUser->PutUser(":" + Nick.GetNickMask() + " NOTICE " + sTarget + " :\001" + sMsg + "\001");
return;
} else {
if (sTarget.Equals(GetNick())) {
if (OnPrivNotice(Nick, sMsg)) {
return;
}
} else {
if (OnChanNotice(Nick, sTarget, sMsg)) {
return;
}
}
}
if (Nick.GetNick().Equals(m_pUser->GetIRCServer())) {
m_pUser->PutUser(":" + Nick.GetNick() + " NOTICE " + sTarget + " :" + sMsg);
} else {
m_pUser->PutUser(":" + Nick.GetNickMask() + " NOTICE " + sTarget + " :" + sMsg);
}
return;
} else if (sCmd.Equals("TOPIC")) {
// :nick!ident@host.com TOPIC #chan :This is a topic
CChan* pChan = m_pUser->FindChan(sLine.Token(2));
if (pChan) {
CString sTopic = sLine.Token(3, true);
sTopic.LeftChomp();
MODULECALL(OnTopic(Nick, *pChan, sTopic), m_pUser, NULL, return)
pChan->SetTopicOwner(Nick.GetNick());
pChan->SetTopicDate((unsigned long) time(NULL));
pChan->SetTopic(sTopic);
if (pChan->IsDetached()) {
return; // Don't forward this
}
sLine = ":" + Nick.GetNickMask() + " TOPIC " + pChan->GetName() + " :" + sTopic;
}
} else if (sCmd.Equals("PRIVMSG")) {
// :nick!ident@host.com PRIVMSG #chan :Message
CString sTarget = sRest.Token(0);
CString sMsg = sRest.Token(1, true);
if (sMsg.Left(1) == ":") {
sMsg.LeftChomp();
}
if (sMsg.WildCmp("\001*\001")) {
sMsg.LeftChomp();
sMsg.RightChomp();
if (sTarget.Equals(GetNick())) {
if (OnPrivCTCP(Nick, sMsg)) {
return;
}
} else {
if (OnChanCTCP(Nick, sTarget, sMsg)) {
return;
}
}
m_pUser->PutUser(":" + Nick.GetNickMask() + " PRIVMSG " + sTarget + " :\001" + sMsg + "\001");
return;
} else {
if (sTarget.Equals(GetNick())) {
if (OnPrivMsg(Nick, sMsg)) {
return;
}
} else {
if (OnChanMsg(Nick, sTarget, sMsg)) {
return;
}
}
m_pUser->PutUser(":" + Nick.GetNickMask() + " PRIVMSG " + sTarget + " :" + sMsg);
return;
}
} else if (sCmd.Equals("WALLOPS")) {
// :blub!dummy@rox-8DBEFE92 WALLOPS :this is a test
CString sMsg = sRest.Token(0, true);
if (sMsg.Left(1) == ":") {
sMsg.LeftChomp();
}
if (!m_pUser->IsUserAttached()) {
m_pUser->AddQueryBuffer(":" + Nick.GetNickMask() + " WALLOPS ", ":" + m_pUser->AddTimestamp(sMsg), false);
}
} else if (sCmd.Equals("CAP")) {
// CAPs are supported only before authorization.
if (!m_bAuthed) {
// sRest.Token(0) is most likely "*". No idea why, the
// CAP spec don't mention this, but all implementations
// I've seen add this extra asterisk
CString sSubCmd = sRest.Token(1);
// If the caplist of a reply is too long, it's split
// into multiple replies. A "*" is prepended to show
// that the list was split into multiple replies.
// This is useful mainly for LS. For ACK and NAK
// replies, there's no real need for this, because
// we request only 1 capability per line.
// If we will need to support broken servers or will
// send several requests per line, need to delay ACK
// actions until all ACK lines are received and
// to recognize past request of NAK by 100 chars
// of this reply.
CString sArgs;
if (sRest.Token(2) == "*") {
sArgs = sRest.Token(3, true).TrimPrefix_n(":");
} else {
sArgs = sRest.Token(2, true).TrimPrefix_n(":");
}
if (sSubCmd == "LS") {
VCString vsTokens;
VCString::iterator it;
sArgs.Split(" ", vsTokens, false);
for (it = vsTokens.begin(); it != vsTokens.end(); ++it) {
if (OnServerCapAvailable(*it) || *it == "multi-prefix" || *it == "userhost-in-names") {
m_ssPendingCaps.insert(*it);
}
}
} else if (sSubCmd == "ACK") {
sArgs.Trim();
MODULECALL(OnServerCapResult(sArgs, true), m_pUser, NULL, NOTHING);
if ("multi-prefix" == sArgs) {
m_bNamesx = true;
} else if ("userhost-in-names" == sArgs) {
m_bUHNames = true;
}
m_ssAcceptedCaps.insert(sArgs);
} else if (sSubCmd == "NAK") {
// This should work because there's no [known]
// capability with length of name more than 100 characters.
sArgs.Trim();
MODULECALL(OnServerCapResult(sArgs, false), m_pUser, NULL, NOTHING);
}
SendNextCap();
}
// Don't forward any CAP stuff to the client
return;
}
}
m_pUser->PutUser(sLine);
}
void CIRCSock::SendNextCap() {
if (!m_uCapPaused) {
if (m_ssPendingCaps.empty()) {
// We already got all needed ACK/NAK replies.
PutIRC("CAP END");
} else {
CString sCap = *m_ssPendingCaps.begin();
m_ssPendingCaps.erase(m_ssPendingCaps.begin());
PutIRC("CAP REQ :" + sCap);
}
}
}
void CIRCSock::PauseCap() {
++m_uCapPaused;
}
void CIRCSock::ResumeCap() {
--m_uCapPaused;
SendNextCap();
}
bool CIRCSock::OnServerCapAvailable(const CString& sCap) {
MODULECALL(OnServerCapAvailable(sCap), m_pUser, NULL, return true);
return false;
}
bool CIRCSock::OnCTCPReply(CNick& Nick, CString& sMessage) {
MODULECALL(OnCTCPReply(Nick, sMessage), m_pUser, NULL, return true);
return false;
}
bool CIRCSock::OnPrivCTCP(CNick& Nick, CString& sMessage) {
MODULECALL(OnPrivCTCP(Nick, sMessage), m_pUser, NULL, return true);
if (sMessage.TrimPrefix("ACTION ")) {
MODULECALL(OnPrivAction(Nick, sMessage), m_pUser, NULL, return true);
if (!m_pUser->IsUserAttached()) {
// If the user is detached, add to the buffer
m_pUser->AddQueryBuffer(":" + Nick.GetNickMask() + " PRIVMSG ", " :\001ACTION " + m_pUser->AddTimestamp(sMessage) + "\001");
}
sMessage = "ACTION " + sMessage;
}
// This handles everything which wasn't handled yet
return OnGeneralCTCP(Nick, sMessage);
}
bool CIRCSock::OnGeneralCTCP(CNick& Nick, CString& sMessage) {
const MCString& mssCTCPReplies = m_pUser->GetCTCPReplies();
CString sQuery = sMessage.Token(0).AsUpper();
MCString::const_iterator it = mssCTCPReplies.find(sQuery);
bool bHaveReply = false;
CString sReply;
if (it != mssCTCPReplies.end()) {
sReply = m_pUser->ExpandString(it->second);
bHaveReply = true;
if (sReply.empty()) {
return true;
}
}
if (!bHaveReply && !m_pUser->IsUserAttached()) {
if (sQuery == "VERSION") {
sReply = CZNC::GetTag();
} else if (sQuery == "PING") {
sReply = sMessage.Token(1, true);
}
}
if (!sReply.empty()) {
time_t now = time(NULL);
// If the last CTCP is older than m_uCTCPFloodTime, reset the counter
if (m_lastCTCP + m_uCTCPFloodTime < now)
m_uNumCTCP = 0;
m_lastCTCP = now;
// If we are over the limit, don't reply to this CTCP
if (m_uNumCTCP >= m_uCTCPFloodCount) {
DEBUG("CTCP flood detected - not replying to query");
return false;
}
m_uNumCTCP++;
PutIRC("NOTICE " + Nick.GetNick() + " :\001" + sQuery + " " + sReply + "\001");
return true;
}
return false;
}
bool CIRCSock::OnPrivNotice(CNick& Nick, CString& sMessage) {
MODULECALL(OnPrivNotice(Nick, sMessage), m_pUser, NULL, return true);
if (!m_pUser->IsUserAttached()) {
// If the user is detached, add to the buffer
m_pUser->AddQueryBuffer(":" + Nick.GetNickMask() + " NOTICE ", " :" + m_pUser->AddTimestamp(sMessage));
}
return false;
}
bool CIRCSock::OnPrivMsg(CNick& Nick, CString& sMessage) {
MODULECALL(OnPrivMsg(Nick, sMessage), m_pUser, NULL, return true);
if (!m_pUser->IsUserAttached()) {
// If the user is detached, add to the buffer
m_pUser->AddQueryBuffer(":" + Nick.GetNickMask() + " PRIVMSG ", " :" + m_pUser->AddTimestamp(sMessage));
}
return false;
}
bool CIRCSock::OnChanCTCP(CNick& Nick, const CString& sChan, CString& sMessage) {
CChan* pChan = m_pUser->FindChan(sChan);
if (pChan) {
MODULECALL(OnChanCTCP(Nick, *pChan, sMessage), m_pUser, NULL, return true);
// Record a /me
if (sMessage.TrimPrefix("ACTION ")) {
MODULECALL(OnChanAction(Nick, *pChan, sMessage), m_pUser, NULL, return true);
if (pChan->KeepBuffer() || !m_pUser->IsUserAttached() || pChan->IsDetached()) {
pChan->AddBuffer(":" + Nick.GetNickMask() + " PRIVMSG " + sChan + " :\001ACTION " + m_pUser->AddTimestamp(sMessage) + "\001");
}
sMessage = "ACTION " + sMessage;
}
}
if (OnGeneralCTCP(Nick, sMessage))
return true;
return (pChan && pChan->IsDetached());
}
bool CIRCSock::OnChanNotice(CNick& Nick, const CString& sChan, CString& sMessage) {
CChan* pChan = m_pUser->FindChan(sChan);
if (pChan) {
MODULECALL(OnChanNotice(Nick, *pChan, sMessage), m_pUser, NULL, return true);
if (pChan->KeepBuffer() || !m_pUser->IsUserAttached() || pChan->IsDetached()) {
pChan->AddBuffer(":" + Nick.GetNickMask() + " NOTICE " + sChan + " :" + m_pUser->AddTimestamp(sMessage));
}
}
return ((pChan) && (pChan->IsDetached()));
}
bool CIRCSock::OnChanMsg(CNick& Nick, const CString& sChan, CString& sMessage) {
CChan* pChan = m_pUser->FindChan(sChan);
if (pChan) {
MODULECALL(OnChanMsg(Nick, *pChan, sMessage), m_pUser, NULL, return true);
if (pChan->KeepBuffer() || !m_pUser->IsUserAttached() || pChan->IsDetached()) {
pChan->AddBuffer(":" + Nick.GetNickMask() + " PRIVMSG " + sChan + " :" + m_pUser->AddTimestamp(sMessage));
}
}
return ((pChan) && (pChan->IsDetached()));
}
void CIRCSock::PutIRC(const CString& sLine) {
DEBUG("(" << m_pUser->GetUserName() << ") ZNC -> IRC [" << sLine << "]");
Write(sLine + "\r\n");
}
void CIRCSock::SetNick(const CString& sNick) {
m_Nick.SetNick(sNick);
m_pUser->SetIRCNick(m_Nick);
}
void CIRCSock::Connected() {
DEBUG(GetSockName() << " == Connected()");
CString sPass = m_sPass;
CString sNick = m_pUser->GetNick();
CString sIdent = m_pUser->GetIdent();
CString sRealName = m_pUser->GetRealName();
MODULECALL(OnIRCRegistration(sPass, sNick, sIdent, sRealName), m_pUser, NULL, return);
PutIRC("CAP LS");
if (!sPass.empty()) {
PutIRC("PASS " + sPass);
}
PutIRC("NICK " + sNick);
PutIRC("USER " + sIdent + " \"" + sIdent + "\" \"" + sIdent + "\" :" + sRealName);
// SendAltNick() needs this
m_Nick.SetNick(sNick);
}
void CIRCSock::Disconnected() {
MODULECALL(OnIRCDisconnected(), m_pUser, NULL, NOTHING);
DEBUG(GetSockName() << " == Disconnected()");
if (!m_pUser->IsBeingDeleted() && m_pUser->GetIRCConnectEnabled() &&
m_pUser->GetServers().size() != 0) {
m_pUser->PutStatus("Disconnected from IRC. Reconnecting...");
}
m_pUser->ClearRawBuffer();
m_pUser->ClearMotdBuffer();
ResetChans();
// send a "reset user modes" cmd to the client.
// otherwise, on reconnect, it might think it still
// had user modes that it actually doesn't have.
CString sUserMode;
for (set<unsigned char>::const_iterator it = m_scUserModes.begin(); it != m_scUserModes.end(); ++it) {
sUserMode += *it;
}
if (!sUserMode.empty()) {
m_pUser->PutUser(":" + m_pUser->GetIRCNick().GetNickMask() + " MODE " + m_pUser->GetIRCNick().GetNick() + " :-" + sUserMode);
}
// also clear the user modes in our space:
m_scUserModes.clear();
}
void CIRCSock::SockError(int iErrno) {
CString sError;
if (iErrno == EDOM) {
sError = "Your bind host could not be resolved";
} else if (iErrno == EADDRNOTAVAIL) {
// Csocket uses this if it can't resolve the dest host name
// ...but it also does generate this if bind() fails -.-
sError = strerror(iErrno);
if (GetBindHost().empty())
sError += " (Is your IRC server's host name valid?)";
else
sError += " (Is your IRC server's host name and ZNC bind host valid?)";
} else {
sError = strerror(iErrno);
}
DEBUG(GetSockName() << " == SockError(" << iErrno << " "
<< sError << ")");
if (!m_pUser->IsBeingDeleted()) {
if (GetConState() != CST_OK)
m_pUser->PutStatus("Cannot connect to IRC (" +
sError + "). Retrying...");
else
m_pUser->PutStatus("Disconnected from IRC (" +
sError + "). Reconnecting...");
}