void Cleanup() {
Limits::iterator it;
time_t now = time(NULL);
for (it = m_chans.begin(); it != m_chans.end(); ++it) {
// The timeout for this channel did not expire yet?
if (it->second.first + (time_t)m_iThresholdSecs >= now)
continue;
CChan *pChan = m_pNetwork->FindChan(it->first);
if (it->second.second >= m_iThresholdMsgs
&& pChan && pChan->IsDetached()) {
// The channel is detached and it is over the
// messages limit. Since we only track those
// limits for non-detached channels or for
// channels which we detached, this means that
// we detached because of a flood.
PutModule("Flood in [" + pChan->GetName() + "] is over, "
"re-attaching...");
// No buffer playback, makes sense, doesn't it?
pChan->ClearBuffer();
pChan->JoinUser();
}
Limits::iterator it2 = it++;
m_chans.erase(it2);
// Without this Bad Things (tm) could happen
if (it == m_chans.end())
break;
}
}
bool CIRCSock::OnJoinMessage(CJoinMessage& Message) {
const CNick& Nick = Message.GetNick();
CString sChan = Message.GetParam(0);
CChan* pChan = nullptr;
if (Nick.NickEquals(GetNick())) {
m_pNetwork->AddChan(sChan, false);
pChan = m_pNetwork->FindChan(sChan);
if (pChan) {
pChan->Enable();
pChan->SetIsOn(true);
PutIRC("MODE " + sChan);
}
} else {
pChan = m_pNetwork->FindChan(sChan);
}
if (pChan) {
pChan->AddNick(Nick.GetNickMask());
Message.SetChan(pChan);
IRCSOCKMODULECALL(OnJoinMessage(Message), NOTHING);
if (pChan->IsDetached()) {
return true;
}
}
return false;
}
bool CIRCSock::OnPartMessage(CPartMessage& Message) {
const CNick& Nick = Message.GetNick();
CString sChan = Message.GetTarget();
CChan* pChan = m_pNetwork->FindChan(sChan);
bool bDetached = false;
if (pChan) {
pChan->RemNick(Nick.GetNick());
Message.SetChan(pChan);
IRCSOCKMODULECALL(OnPartMessage(Message), NOTHING);
if (pChan->IsDetached()) bDetached = true;
}
if (Nick.NickEquals(GetNick())) {
m_pNetwork->DelChan(sChan);
}
/*
* We use this boolean because
* m_pNetwork->DelChan() will delete this channel
* and thus we would dereference an
* already-freed pointer!
*/
return bDetached;
}
void CheckAttach(const CString& sMessage, CChan& Channel) {
if (Channel.IsDetached()) {
if (sMessage.AsLower().find(m_pNetwork->GetCurNick().AsLower()) != CString::npos) {
Channel.JoinUser();
}
}
}
void TryAttach(CChan& Channel) {
const CString& sChan = Channel.GetName();
if (Channel.IsDetached() && IsAutoAttach(sChan)) {
Channel.JoinUser();
}
}
bool CIRCSock::OnActionMessage(CActionMessage& Message) {
bool bResult = false;
CChan* pChan = nullptr;
CString sTarget = Message.GetTarget();
if (sTarget.Equals(GetNick())) {
IRCSOCKMODULECALL(OnPrivCTCPMessage(Message), &bResult);
if (bResult) return true;
IRCSOCKMODULECALL(OnPrivActionMessage(Message), &bResult);
if (bResult) return true;
if (!m_pNetwork->IsUserOnline() ||
!m_pNetwork->GetUser()->AutoClearQueryBuffer()) {
const CNick& Nick = Message.GetNick();
CQuery* pQuery = m_pNetwork->AddQuery(Nick.GetNick());
if (pQuery) {
CActionMessage Format;
Format.Clone(Message);
Format.SetNick(_NAMEDFMT(Nick.GetNickMask()));
Format.SetTarget("{target}");
Format.SetText("{text}");
pQuery->AddBuffer(Format, Message.GetText());
}
}
} else {
pChan = m_pNetwork->FindChan(sTarget);
if (pChan) {
Message.SetChan(pChan);
FixupChanNick(Message.GetNick(), pChan);
IRCSOCKMODULECALL(OnChanCTCPMessage(Message), &bResult);
if (bResult) return true;
IRCSOCKMODULECALL(OnChanActionMessage(Message), &bResult);
if (bResult) return true;
if (!pChan->AutoClearChanBuffer() || !m_pNetwork->IsUserOnline() ||
pChan->IsDetached()) {
CActionMessage Format;
Format.Clone(Message);
Format.SetNick(_NAMEDFMT(Message.GetNick().GetNickMask()));
Format.SetTarget(_NAMEDFMT(Message.GetTarget()));
Format.SetText("{text}");
pChan->AddBuffer(Format, Message.GetText());
}
}
}
return (pChan && pChan->IsDetached());
}
bool CClient::OnJoinMessage(CJoinMessage& Message) {
CString sChans = Message.GetTarget();
CString sKeys = Message.GetKey();
VCString vsChans;
sChans.Split(",", vsChans, false);
sChans.clear();
VCString vsKeys;
sKeys.Split(",", vsKeys, true);
sKeys.clear();
for (unsigned int a = 0; a < vsChans.size(); a++) {
Message.SetTarget(vsChans[a]);
Message.SetKey((a < vsKeys.size()) ? vsKeys[a] : "");
if (m_pNetwork) {
// May be nullptr.
Message.SetChan(m_pNetwork->FindChan(vsChans[a]));
}
bool bContinue = false;
NETWORKMODULECALL(OnUserJoinMessage(Message), m_pUser, m_pNetwork, this,
&bContinue);
if (bContinue) continue;
CString sChannel = Message.GetTarget();
CString sKey = Message.GetKey();
if (m_pNetwork) {
CChan* pChan = m_pNetwork->FindChan(sChannel);
if (pChan) {
if (pChan->IsDetached())
pChan->AttachUser(this);
else
pChan->JoinUser(sKey);
continue;
} else if (!sChannel.empty()) {
pChan = new CChan(sChannel, m_pNetwork, false);
if (m_pNetwork->AddChan(pChan)) {
pChan->SetKey(sKey);
}
}
}
if (!sChannel.empty()) {
sChans += (sChans.empty()) ? sChannel : CString("," + sChannel);
if (!vsKeys.empty()) {
sKeys += (sKeys.empty()) ? sKey : CString("," + sKey);
}
}
}
Message.SetTarget(sChans);
Message.SetKey(sKeys);
return sChans.empty();
}
bool CIRCSock::OnNoticeMessage(CNoticeMessage& Message) {
CString sTarget = Message.GetTarget();
bool bResult = false;
if (sTarget.Equals(GetNick())) {
IRCSOCKMODULECALL(OnPrivNoticeMessage(Message), &bResult);
if (bResult) return true;
if (!m_pNetwork->IsUserOnline()) {
// If the user is detached, add to the buffer
CNoticeMessage Format;
Format.Clone(Message);
Format.SetNick(CNick(_NAMEDFMT(Message.GetNick().GetNickMask())));
Format.SetTarget("{target}");
Format.SetText("{text}");
m_pNetwork->AddNoticeBuffer(Format, Message.GetText());
}
return false;
} else {
CChan* pChan = m_pNetwork->FindChan(sTarget);
if (pChan) {
Message.SetChan(pChan);
FixupChanNick(Message.GetNick(), pChan);
IRCSOCKMODULECALL(OnChanNoticeMessage(Message), &bResult);
if (bResult) return true;
if (!pChan->AutoClearChanBuffer() || !m_pNetwork->IsUserOnline() ||
pChan->IsDetached()) {
CNoticeMessage Format;
Format.Clone(Message);
Format.SetNick(_NAMEDFMT(Message.GetNick().GetNickMask()));
Format.SetTarget(_NAMEDFMT(Message.GetTarget()));
Format.SetText("{text}");
pChan->AddBuffer(Format, Message.GetText());
}
}
return (pChan && pChan->IsDetached());
}
}
void CChan::Clone(CChan& chan) {
// We assume that m_sName and m_pNetwork are equal
SetBufferCount(chan.GetBufferCount(), true);
SetKeepBuffer(chan.KeepBuffer());
SetKey(chan.GetKey());
SetDefaultModes(chan.GetDefaultModes());
if (IsDetached() != chan.IsDetached()) {
// Only send something if it makes sense
// (= Only detach if client is on the channel
// and only attach if we are on the channel)
if (IsOn()) {
if (IsDetached()) {
JoinUser(false, "");
} else {
DetachUser();
}
}
SetDetached(chan.IsDetached());
}
}
void SetChan(const CString& sLine) {
const CString var = sLine.Token(1).AsLower();
CString username = sLine.Token(2);
CString chan = sLine.Token(3);
CString value = sLine.Token(4, true);
if (value.empty()) {
PutModule("Usage: setchan <variable> <username> <chan> <value>");
return;
}
CUser* user = GetUser(username);
if (!user)
return;
CChan* pChan = user->FindChan(chan);
if (!pChan) {
PutModule("Error: Channel not found: " + chan);
return;
}
if (var == "defmodes") {
pChan->SetDefaultModes(value);
PutModule("DefModes = " + value);
} else if (var == "buffer") {
unsigned int i = value.ToUInt();
pChan->SetBufferCount(i);
PutModule("Buffer = " + CString(i));
} else if (var == "inconfig") {
bool b = value.ToBool();
pChan->SetInConfig(b);
PutModule("InConfig = " + CString(b));
} else if (var == "keepbuffer") {
bool b = value.ToBool();
pChan->SetKeepBuffer(b);
PutModule("KeepBuffer = " + CString(b));
} else if (var == "detached") {
bool b = value.ToBool();
if (pChan->IsDetached() != b) {
if (b)
pChan->DetachUser();
else
pChan->AttachUser();
}
PutModule("Detached = " + CString(b));
} else
PutModule("Error: Unknown variable");
}
void Message(CChan& Channel) {
Limits::iterator it;
time_t now = time(NULL);
// First: Clean up old entries and reattach where necessary
Cleanup();
it = m_chans.find(Channel.GetName());
if (it == m_chans.end()) {
// We don't track detached channels
if (Channel.IsDetached())
return;
// This is the first message for this channel, start a
// new timeout.
std::pair<time_t, unsigned int> tmp(now, 1);
m_chans[Channel.GetName()] = tmp;
return;
}
// No need to check it->second.first (expiry time), since
// Cleanup() would have removed it if it was expired.
if (it->second.second >= m_iThresholdMsgs) {
// The channel already hit the limit and we detached the
// user, but it is still being flooded, reset the timeout
it->second.first = now;
it->second.second++;
return;
}
it->second.second++;
if (it->second.second < m_iThresholdMsgs)
return;
// The channel hit the limit, reset the timeout so that we keep
// it detached for longer.
it->second.first = now;
Channel.DetachUser();
if (!GetNV("silent").ToBool()) {
PutModule("Channel [" + Channel.GetName() + "] was "
"flooded, you've been detached");
}
}
bool CIRCSock::OnTopicMessage(CTopicMessage& Message) {
const CNick& Nick = Message.GetNick();
CChan* pChan = m_pNetwork->FindChan(Message.GetParam(0));
if (pChan) {
Message.SetChan(pChan);
bool bReturn = false;
IRCSOCKMODULECALL(OnTopicMessage(Message), &bReturn);
if (bReturn) return true;
pChan->SetTopicOwner(Nick.GetNick());
pChan->SetTopicDate((unsigned long)time(nullptr));
pChan->SetTopic(Message.GetTopic());
}
return (pChan && pChan->IsDetached());
}
void TryAttach(const CNick& Nick, CChan& Channel, CString& Message) {
const CString& sChan = Channel.GetName();
const CString& sHost = Nick.GetHostMask();
const CString& sMessage = Message;
VAttachIter it;
if (!Channel.IsDetached()) return;
// Any negated match?
for (it = m_vMatches.begin(); it != m_vMatches.end(); ++it) {
if (it->IsNegated() && it->IsMatch(sChan, sHost, sMessage)) return;
}
// Now check for a positive match
for (it = m_vMatches.begin(); it != m_vMatches.end(); ++it) {
if (!it->IsNegated() && it->IsMatch(sChan, sHost, sMessage)) {
Channel.AttachUser();
return;
}
}
}
void GetChan(const CString& sLine) {
const CString var = sLine.Token(1).AsLower();
CString username = sLine.Token(2);
CString chan = sLine.Token(3, true);
if (var.empty()) {
PutModule("Usage: getchan <variable> [username] <chan>");
return;
}
if (chan.empty()) {
chan = username;
username = "";
}
if (username.empty()) {
username = m_pUser->GetUserName();
}
CUser* user = GetUser(username);
if (!user)
return;
CChan* pChan = user->FindChan(chan);
if (!pChan) {
PutModule("Error: Channel not found: " + chan);
return;
}
if (var == "defmodes")
PutModule("DefModes = " + pChan->GetDefaultModes());
else if (var == "buffer")
PutModule("Buffer = " + CString(pChan->GetBufferCount()));
else if (var == "inconfig")
PutModule("InConfig = " + pChan->InConfig());
else if (var == "keepbuffer")
PutModule("KeepBuffer = " + pChan->KeepBuffer());
else if (var == "detached")
PutModule("Detached = " + pChan->IsDetached());
else
PutModule("Error: Unknown variable");
}
bool CIRCSock::OnKickMessage(CKickMessage& Message) {
CString sChan = Message.GetParam(0);
CString sKickedNick = Message.GetKickedNick();
CChan* pChan = m_pNetwork->FindChan(sChan);
if (pChan) {
Message.SetChan(pChan);
IRCSOCKMODULECALL(OnKickMessage(Message), 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();
}
return (pChan && pChan->IsDetached());
}
bool CIRCSock::OnModeMessage(CModeMessage& Message) {
const CNick& Nick = Message.GetNick();
CString sTarget = Message.GetTarget();
CString sModes = Message.GetModes();
CChan* pChan = m_pNetwork->FindChan(sTarget);
if (pChan) {
pChan->ModeChange(sModes, &Nick);
if (pChan->IsDetached()) {
return true;
}
} 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_pNetwork->GetUser(), nullptr, );
*/
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);
}
}
}
}
return false;
}
void Attach(CChan& channel) {
if (!channel.IsDetached())
return;
channel.JoinUser();
}
bool CIRCSock::OnCTCPMessage(CCTCPMessage& Message) {
bool bResult = false;
CChan* pChan = nullptr;
CString sTarget = Message.GetTarget();
if (sTarget.Equals(GetNick())) {
if (Message.IsReply()) {
IRCSOCKMODULECALL(OnCTCPReplyMessage(Message), &bResult);
return bResult;
} else {
IRCSOCKMODULECALL(OnPrivCTCPMessage(Message), &bResult);
if (bResult) return true;
}
} else {
pChan = m_pNetwork->FindChan(sTarget);
if (pChan) {
Message.SetChan(pChan);
FixupChanNick(Message.GetNick(), pChan);
IRCSOCKMODULECALL(OnChanCTCPMessage(Message), &bResult);
if (bResult) return true;
}
}
const CNick& Nick = Message.GetNick();
const CString& sMessage = Message.GetText();
const MCString& mssCTCPReplies = m_pNetwork->GetUser()->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_pNetwork->ExpandString(it->second);
bHaveReply = true;
if (sReply.empty()) {
return true;
}
}
if (!bHaveReply && !m_pNetwork->IsUserAttached()) {
if (sQuery == "VERSION") {
sReply = CZNC::GetTag(false);
} else if (sQuery == "PING") {
sReply = sMessage.Token(1, true);
}
}
if (!sReply.empty()) {
time_t now = time(nullptr);
// 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 true;
}
m_uNumCTCP++;
PutIRC("NOTICE " + Nick.GetNick() + " :\001" + sQuery + " " + sReply +
"\001");
return true;
}
return (pChan && pChan->IsDetached());
}
bool CIRCSock::OnNumericMessage(CNumericMessage& Message) {
const CString& sCmd = Message.GetCommand();
CString sServer = Message.GetNick().GetHostMask();
unsigned int uRaw = Message.GetCode();
CString sNick = Message.GetParam(0);
bool bResult = false;
IRCSOCKMODULECALL(OnNumericMessage(Message), &bResult);
if (bResult) return true;
switch (uRaw) {
case 1: { // :irc.server.com 001 nick :Welcome to the Internet Relay
if (m_bAuthed && sServer == "irc.znc.in") {
// m_bAuthed == true => we already received another 001 => we
// might be in a traffic loop
m_pNetwork->PutStatus(
"ZNC seems to be connected to itself, disconnecting...");
Quit();
return true;
}
m_pNetwork->SetIRCServer(sServer);
// Now that we are connected, let nature take its course
SetTimeout(CIRCNetwork::NO_TRAFFIC_TIMEOUT, TMO_READ);
PutIRC("WHO " + sNick);
m_bAuthed = true;
m_pNetwork->PutStatus("Connected!");
const vector<CClient*>& vClients = m_pNetwork->GetClients();
for (CClient* pClient : vClients) {
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);
IRCSOCKMODULECALL(OnIRCConnected(), NOTHING);
m_pNetwork->ClearRawBuffer();
m_pNetwork->AddRawBuffer(BufferMessage(Message));
m_pNetwork->IRCConnected();
break;
}
case 5:
ParseISupport(Message);
m_pNetwork->UpdateExactRawBuffer(BufferMessage(Message));
break;
case 10: { // :irc.server.com 010 nick <hostname> <port> :<info>
CString sHost = Message.GetParam(1);
CString sPort = Message.GetParam(2);
CString sInfo = Message.GetParam(3);
m_pNetwork->PutStatus(
"Server [" + m_pNetwork->GetCurrentServer()->GetString(false) +
"] redirects us to [" + sHost + ":" + sPort +
"] with reason [" + sInfo + "]");
m_pNetwork->PutStatus(
"Perhaps you want to add it as a new server.");
// Don't send server redirects to the client
return true;
}
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_pNetwork->UpdateRawBuffer(sCmd, BufferMessage(Message));
break;
case 305:
m_pNetwork->SetIRCAway(false);
break;
case 306:
m_pNetwork->SetIRCAway(true);
break;
case 324: { // MODE
// :irc.server.com 324 nick #chan +nstk key
CChan* pChan = m_pNetwork->FindChan(Message.GetParam(1));
if (pChan) {
pChan->SetModes(Message.GetParams(2));
// 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 true;
}
if (pChan->IsDetached()) {
return true;
}
}
}
break;
case 329: {
// :irc.server.com 329 nick #chan 1234567890
CChan* pChan = m_pNetwork->FindChan(Message.GetParam(1));
if (pChan) {
unsigned long ulDate = Message.GetParam(2).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 true;
}
if (pChan->IsDetached()) {
return true;
}
}
}
break;
case 331: {
// :irc.server.com 331 yournick #chan :No topic is set.
CChan* pChan = m_pNetwork->FindChan(Message.GetParam(1));
if (pChan) {
pChan->SetTopic("");
if (pChan->IsDetached()) {
return true;
}
}
break;
}
case 332: {
// :irc.server.com 332 yournick #chan :This is a topic
CChan* pChan = m_pNetwork->FindChan(Message.GetParam(1));
if (pChan) {
CString sTopic = Message.GetParam(2);
pChan->SetTopic(sTopic);
if (pChan->IsDetached()) {
return true;
}
}
break;
}
case 333: {
// :irc.server.com 333 yournick #chan setternick 1112320796
CChan* pChan = m_pNetwork->FindChan(Message.GetParam(1));
if (pChan) {
sNick = Message.GetParam(2);
unsigned long ulDate = Message.GetParam(3).ToULong();
pChan->SetTopicOwner(sNick);
pChan->SetTopicDate(ulDate);
if (pChan->IsDetached()) {
return true;
}
}
break;
}
case 352: { // WHO
// :irc.yourserver.com 352 yournick #chan ident theirhost.com irc.theirserver.com theirnick H :0 Real Name
sNick = Message.GetParam(5);
CString sChan = Message.GetParam(1);
CString sIdent = Message.GetParam(2);
CString sHost = Message.GetParam(3);
if (sNick.Equals(GetNick())) {
m_Nick.SetIdent(sIdent);
m_Nick.SetHost(sHost);
}
m_pNetwork->SetIRCNick(m_Nick);
m_pNetwork->SetIRCServer(sServer);
const vector<CChan*>& vChans = m_pNetwork->GetChans();
for (CChan* pChan : vChans) {
pChan->OnWho(sNick, sIdent, sHost);
}
CChan* pChan = m_pNetwork->FindChan(sChan);
if (pChan && pChan->IsDetached()) {
return true;
}
break;
}
case 353: { // NAMES
// :irc.server.com 353 nick @ #chan :nick1 nick2
// Todo: allow for non @+= server msgs
CChan* pChan = m_pNetwork->FindChan(Message.GetParam(2));
// 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 = Message.GetParam(3);
pChan->AddNicks(sNicks);
if (pChan->IsDetached()) {
return true;
}
}
break;
}
case 366: { // end of names list
// :irc.server.com 366 nick #chan :End of /NAMES list.
CChan* pChan = m_pNetwork->FindChan(Message.GetParam(1));
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_pNetwork->GetUser()->GetDefaultChanModes();
}
if (!sModes.empty()) {
PutIRC("MODE " + pChan->GetName() + " " + sModes);
}
}
}
if (pChan->IsDetached()) {
// don't put it to clients
return true;
}
}
break;
}
case 375: // begin motd
case 422: // MOTD File is missing
if (m_pNetwork->GetIRCServer().Equals(sServer)) {
m_pNetwork->ClearMotdBuffer();
}
case 372: // motd
case 376: // end motd
if (m_pNetwork->GetIRCServer().Equals(sServer)) {
m_pNetwork->AddMotdBuffer(BufferMessage(Message));
}
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_pNetwork->IsChan(Message.GetParam(1)) || sNick != "*") break;
case 432:
// :irc.server.com 432 * nick :Erroneous Nickname: Illegal chars
case 433: {
CString sBadNick = Message.GetParam(1);
if (!m_bAuthed) {
SendAltNick(sBadNick);
return true;
}
break;
}
case 451:
// :irc.server.com 451 CAP :You have not registered
// Servers that don't support CAP will give us this error, don't send
// it to the client
if (sNick.Equals("CAP")) return true;
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_pNetwork->FindChan(Message.GetParam(1));
if (!pChan) {
// unreal style numeric
pChan = m_pNetwork->FindChan(Message.GetParam(2));
}
if (pChan) {
pChan->Disable();
m_pNetwork->PutStatus("Channel [" + pChan->GetName() +
"] is linked to "
"another channel and was thus disabled.");
}
break;
}
case 670:
// :hydra.sector5d.org 670 kylef :STARTTLS successful, go ahead with TLS handshake
//
// 670 is a response to `STARTTLS` telling the client to switch to
// TLS
if (!GetSSL()) {
StartTLS();
m_pNetwork->PutStatus("Switched to SSL (STARTTLS)");
}
return true;
}
return false;
}
void CIRCSock::ReadLine(const CString& sData) {
CString sLine = sData;
sLine.TrimRight("\n\r");
DEBUG("(" << m_pNetwork->GetUser()->GetUserName() << "/" << m_pNetwork->GetName() << ") IRC -> ZNC [" << sLine << "]");
NETWORKMODULECALL(OnRaw(sLine), m_pNetwork->GetUser(), m_pNetwork, 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));
sError.TrimPrefix();
m_pNetwork->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).LeftChomp_n();
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_pNetwork->PutStatus("ZNC seems to be connected to itself, disconnecting...");
Quit();
return;
}
m_pNetwork->SetIRCServer(sServer);
SetTimeout(540, TMO_READ); // Now that we are connected, let nature take its course
PutIRC("WHO " + sNick);
m_bAuthed = true;
m_pNetwork->PutStatus("Connected!");
vector<CClient*>& vClients = m_pNetwork->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);
NETWORKMODULECALL(OnIRCConnected(), m_pNetwork->GetUser(), m_pNetwork, NULL, NOTHING);
m_pNetwork->ClearRawBuffer();
m_pNetwork->AddRawBuffer(":" + sServer + " " + sCmd + " ", " " + sRest);
break;
}
case 5:
ParseISupport(sRest);
m_pNetwork->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_pNetwork->PutStatus("Server [" + m_pNetwork->GetCurrentServer()->GetString(false) +
"] redirects us to [" + sHost + ":" + sPort + "] with reason [" + sInfo + "]");
m_pNetwork->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_pNetwork->UpdateRawBuffer(":" + sServer + " " + sCmd + " ", " " + sRest);
break;
case 305:
m_pNetwork->SetIRCAway(false);
break;
case 306:
m_pNetwork->SetIRCAway(true);
break;
case 324: { // MODE
sRest.Trim();
CChan* pChan = m_pNetwork->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_pNetwork->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_pNetwork->FindChan(sLine.Token(3));
if (pChan) {
pChan->SetTopic("");
}
break;
}
case 332: {
// :irc.server.com 332 yournick #chan :This is a topic
CChan* pChan = m_pNetwork->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_pNetwork->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_pNetwork->SetIRCNick(m_Nick);
m_pNetwork->SetIRCServer(sServer);
const vector<CChan*>& vChans = m_pNetwork->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_pNetwork->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).TrimPrefix_n();
pChan->AddNicks(sNicks);
}
ForwardRaw353(sLine);
// We forwarded it already, so return
return;
}
case 366: { // end of names list
m_pNetwork->PutUser(sLine); // First send them the raw
// :irc.server.com 366 nick #chan :End of /NAMES list.
CChan* pChan = m_pNetwork->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_pNetwork->GetUser()->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_pNetwork->ClearMotdBuffer();
case 372: // motd
case 376: // end motd
m_pNetwork->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_pNetwork->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_pNetwork->FindChan(sRest.Token(0));
if (!pChan) {
// unreal style numeric
pChan = m_pNetwork->FindChan(sRest.Token(1));
}
if (pChan) {
pChan->Disable();
m_pNetwork->PutStatus("Channel [" + pChan->GetName() + "] is linked to "
"another channel and was thus disabled.");
}
break;
}
}
} else {
CNick Nick(sLine.Token(0).TrimPrefix_n());
sCmd = sLine.Token(1);
CString sRest = sLine.Token(2, true);
if (sCmd.Equals("NICK")) {
CString sNewNick = sRest.TrimPrefix_n();
bool bIsVisible = false;
vector<CChan*> vFoundChans;
const vector<CChan*>& vChans = m_pNetwork->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);
}
NETWORKMODULECALL(OnNick(Nick, sNewNick, vFoundChans), m_pNetwork->GetUser(), m_pNetwork, NULL, NOTHING);
if (!bIsVisible) {
return;
}
} else if (sCmd.Equals("QUIT")) {
CString sMessage = sRest.TrimPrefix_n();
bool bIsVisible = false;
// :[email protected] QUIT :message
if (Nick.GetNick().Equals(GetNick())) {
m_pNetwork->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_pNetwork->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;
}
}
}
NETWORKMODULECALL(OnQuit(Nick, sMessage, vFoundChans), m_pNetwork->GetUser(), m_pNetwork, NULL, NOTHING);
if (!bIsVisible) {
return;
}
} else if (sCmd.Equals("JOIN")) {
CString sChan = sRest.Token(0).TrimPrefix_n();
CChan* pChan;
// Todo: use nick compare function
if (Nick.GetNick().Equals(GetNick())) {
m_pNetwork->AddChan(sChan, false);
pChan = m_pNetwork->FindChan(sChan);
if (pChan) {
pChan->ResetJoinTries();
pChan->Enable();
pChan->SetIsOn(true);
PutIRC("MODE " + sChan);
}
} else {
pChan = m_pNetwork->FindChan(sChan);
}
if (pChan) {
pChan->AddNick(Nick.GetNickMask());
NETWORKMODULECALL(OnJoin(Nick.GetNickMask(), *pChan), m_pNetwork->GetUser(), m_pNetwork, NULL, NOTHING);
if (pChan->IsDetached()) {
return;
}
}
} else if (sCmd.Equals("PART")) {
CString sChan = sRest.Token(0).TrimPrefix_n();
CString sMsg = sRest.Token(1, true).TrimPrefix_n();
CChan* pChan = m_pNetwork->FindChan(sChan);
bool bDetached = false;
if (pChan) {
pChan->RemNick(Nick.GetNick());
NETWORKMODULECALL(OnPart(Nick.GetNickMask(), *pChan, sMsg), m_pNetwork->GetUser(), m_pNetwork, NULL, NOTHING);
if (pChan->IsDetached())
bDetached = true;
}
// Todo: use nick compare function
if (Nick.GetNick().Equals(GetNick())) {
m_pNetwork->DelChan(sChan);
}
/*
* We use this boolean because
* m_pNetwork->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_pNetwork->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_pNetwork->GetUser(), 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")) {
// :[email protected] 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_pNetwork->FindChan(sChan);
if (pChan) {
NETWORKMODULECALL(OnKick(Nick, sKickedNick, *pChan, sMsg), m_pNetwork->GetUser(), m_pNetwork, 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")) {
// :[email protected] 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_pNetwork->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_pNetwork->GetIRCServer())) {
m_pNetwork->PutUser(":" + Nick.GetNick() + " NOTICE " + sTarget + " :" + sMsg);
} else {
m_pNetwork->PutUser(":" + Nick.GetNickMask() + " NOTICE " + sTarget + " :" + sMsg);
}
return;
} else if (sCmd.Equals("TOPIC")) {
// :[email protected] TOPIC #chan :This is a topic
CChan* pChan = m_pNetwork->FindChan(sLine.Token(2));
if (pChan) {
CString sTopic = sLine.Token(3, true);
sTopic.LeftChomp();
NETWORKMODULECALL(OnTopic(Nick, *pChan, sTopic), m_pNetwork->GetUser(), m_pNetwork, 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")) {