/
IRCSock.cpp
1394 lines (1181 loc) · 39 KB
/
IRCSock.cpp
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/*
* Copyright (C) 2004-2015 ZNC, see the NOTICE file for details.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <znc/IRCSock.h>
#include <znc/Chan.h>
#include <znc/User.h>
#include <znc/IRCNetwork.h>
#include <znc/Server.h>
#include <znc/Query.h>
using std::set;
using std::vector;
using std::map;
#define IRCSOCKMODULECALL(macFUNC, macEXITER) NETWORKMODULECALL(macFUNC, m_pNetwork->GetUser(), m_pNetwork, NULL, macEXITER)
// These are used in OnGeneralCTCP()
const time_t CIRCSock::m_uCTCPFloodTime = 5;
const unsigned int CIRCSock::m_uCTCPFloodCount = 5;
// It will be bad if user sets it to 0.00000000000001
// If you want no flood protection, set network's flood rate to -1
// TODO move this constant to CIRCNetwork?
static const double FLOOD_MINIMAL_RATE = 0.3;
class CIRCFloodTimer : public CCron {
CIRCSock* m_pSock;
public:
CIRCFloodTimer(CIRCSock* pSock) {
m_pSock = pSock;
StartMaxCycles(m_pSock->m_fFloodRate, 0);
}
virtual void RunJob() {
if (m_pSock->m_iSendsAllowed < m_pSock->m_uFloodBurst) {
m_pSock->m_iSendsAllowed++;
}
m_pSock->TrySend();
}
};
bool CIRCSock::IsFloodProtected(double fRate) {
return fRate > FLOOD_MINIMAL_RATE;
}
CIRCSock::CIRCSock(CIRCNetwork* pNetwork) : CIRCSocket() {
m_pNetwork = pNetwork;
m_bAuthed = false;
m_bNamesx = false;
m_bUHNames = false;
m_fFloodRate = m_pNetwork->GetFloodRate();
m_uFloodBurst = m_pNetwork->GetFloodBurst();
m_bFloodProtection = IsFloodProtected(m_fFloodRate);
m_iSendsAllowed = m_uFloodBurst;
EnableReadLine();
m_Nick.SetIdent(m_pNetwork->GetIdent());
m_Nick.SetHost(m_pNetwork->GetBindHost());
SetEncoding(m_pNetwork->GetEncoding());
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;
pNetwork->SetIRCSocket(this);
// RFC says a line can have 512 chars max, but we don't care ;)
SetMaxBufferThreshold(1024);
if (m_bFloodProtection) {
AddCron(new CIRCFloodTimer(this));
}
}
CIRCSock::~CIRCSock() {
if (!m_bAuthed) {
IRCSOCKMODULECALL(OnIRCConnectionError(this), NOTHING);
}
const vector<CChan*>& vChans = m_pNetwork->GetChans();
for (unsigned int a = 0; a < vChans.size(); a++) {
vChans[a]->Reset();
}
m_pNetwork->IRCDisconnected();
for (map<CString, CChan*>::iterator a = m_msChans.begin(); a != m_msChans.end(); ++a) {
delete a->second;
}
Quit();
m_msChans.clear();
m_pNetwork->GetUser()->AddBytesRead(GetBytesRead());
m_pNetwork->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_pNetwork->ExpandString(m_pNetwork->GetQuitMsg()));
}
Close(CLT_AFTERWRITE);
}
void CIRCSock::ReadLine(const CString& sData) {
CString sLine = sData;
sLine.TrimRight("\n\r");
DEBUG("(" << m_pNetwork->GetUser()->GetUserName() << "/" << m_pNetwork->GetName() << ") IRC -> ZNC [" << sLine << "]");
bool bReturn = false;
IRCSOCKMODULECALL(OnRaw(sLine), &bReturn);
if (bReturn) 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
PutIRCQuick("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);
CString sTmp;
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(CIRCNetwork::NO_TRAFFIC_TIMEOUT, TMO_READ); // Now that we are connected, let nature take its course
PutIRC("WHO " + sNick);
m_bAuthed = true;
m_pNetwork->PutStatus("Connected!");
const 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);
IRCSOCKMODULECALL(OnIRCConnected(), NOTHING);
m_pNetwork->ClearRawBuffer();
m_pNetwork->AddRawBuffer(":" + _NAMEDFMT(sServer) + " " + sCmd + " {target} " + _NAMEDFMT(sRest));
m_pNetwork->IRCConnected();
break;
}
case 5:
ParseISupport(sRest);
m_pNetwork->UpdateExactRawBuffer(":" + _NAMEDFMT(sServer) + " " + sCmd + " {target} " + _NAMEDFMT(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
sTmp = ":" + _NAMEDFMT(sServer) + " " + sCmd;
m_pNetwork->UpdateRawBuffer(sTmp, sTmp + " {target} " + _NAMEDFMT(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;
}
if (pChan->IsDetached()) {
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;
}
if (pChan->IsDetached()) {
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("");
if (pChan->IsDetached()) {
return;
}
}
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);
if (pChan->IsDetached()) {
return;
}
}
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);
if (pChan->IsDetached()) {
return;
}
}
break;
}
case 352: { // WHO
// :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 sChan = sLine.Token(3);
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);
}
if (m_bNamesx && (sNick.size() > 1) && IsPermChar(sNick[1])) {
// sLine uses multi-prefix
const vector<CClient*>& vClients = m_pNetwork->GetClients();
vector<CClient*>::const_iterator it;
for (it = vClients.begin(); it != vClients.end(); ++it) {
CClient *pClient = *it;
if (pClient->HasNamesx()) {
m_pNetwork->PutUser(sLine, pClient);
} else {
// The client doesn't support multi-prefix so we need to remove
// the other prefixes.
CString sNewNick = sNick;
size_t pos = sNick.find_first_not_of(GetPerms());
if (pos >= 2 && pos != CString::npos) {
sNewNick = sNick[0] + sNick.substr(pos);
}
CString sNewLine = sServer + " 352 " + sLine.Token(2) + " " +
sChan + " " + sIdent + " " + sHost + " " +
sLine.Token(6) + " " + sNewNick + " " +
sLine.Token(8, true);
m_pNetwork->PutUser(sNewLine, pClient);
}
}
return;
}
CChan* pChan = m_pNetwork->FindChan(sChan);
if (pChan && pChan->IsDetached()) {
return;
}
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);
if (pChan->IsDetached()) {
return;
}
}
ForwardRaw353(sLine);
// We forwarded it already, so return
return;
}
case 366: { // end of names list
// :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);
}
}
}
if (pChan->IsDetached()) {
// don't put it to clients
return;
}
}
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(":" + _NAMEDFMT(sServer) + " " + sCmd + " {target} " + _NAMEDFMT(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;
}
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;
}
} 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;
}
}
}
if (Nick.NickEquals(GetNick())) {
// We are changing our own nick, the clients always must see this!
bIsVisible = false;
SetNick(sNewNick);
m_pNetwork->PutUser(sLine);
}
IRCSOCKMODULECALL(OnNick(Nick, sNewNick, vFoundChans), NOTHING);
if (!bIsVisible) {
return;
}
} else if (sCmd.Equals("QUIT")) {
CString sMessage = sRest.TrimPrefix_n();
bool bIsVisible = false;
// :nick!ident@host.com QUIT :message
if (Nick.NickEquals(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;
}
}
}
IRCSOCKMODULECALL(OnQuit(Nick, sMessage, vFoundChans), NOTHING);
if (!bIsVisible) {
return;
}
} else if (sCmd.Equals("JOIN")) {
CString sChan = sRest.Token(0).TrimPrefix_n();
CChan* pChan;
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());
IRCSOCKMODULECALL(OnJoin(Nick.GetNickMask(), *pChan), 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());
IRCSOCKMODULECALL(OnPart(Nick.GetNickMask(), *pChan, sMsg), 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!
*/
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")) {
// :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_pNetwork->FindChan(sChan);
if (pChan) {
IRCSOCKMODULECALL(OnKick(Nick, sKickedNick, *pChan, sMsg), 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_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.NickEquals(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")) {
// :nick!ident@host.com TOPIC #chan :This is a topic
CChan* pChan = m_pNetwork->FindChan(sLine.Token(2));
if (pChan) {
CString sTopic = sLine.Token(3, true);
sTopic.LeftChomp();
IRCSOCKMODULECALL(OnTopic(Nick, *pChan, sTopic), &bReturn);
if (bReturn) 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).TrimPrefix_n();
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_pNetwork->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_pNetwork->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).TrimPrefix_n();
if (!m_pNetwork->IsUserOnline()) {
m_pNetwork->AddNoticeBuffer(":" + _NAMEDFMT(Nick.GetNickMask()) + " WALLOPS :{text}", sMsg);
}
} 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();
IRCSOCKMODULECALL(OnServerCapResult(sArgs, true), 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();
IRCSOCKMODULECALL(OnServerCapResult(sArgs, false), NOTHING);
}
SendNextCap();
}
// Don't forward any CAP stuff to the client
return;
} else if (sCmd.Equals("INVITE")) {
IRCSOCKMODULECALL(OnInvite(Nick, sLine.Token(3).TrimPrefix_n(":")), &bReturn);
if (bReturn) return;
}
}
m_pNetwork->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) {
bool bResult = false;
IRCSOCKMODULECALL(OnServerCapAvailable(sCap), &bResult);
return bResult;
}
bool CIRCSock::OnCTCPReply(CNick& Nick, CString& sMessage) {
bool bResult = false;
IRCSOCKMODULECALL(OnCTCPReply(Nick, sMessage), &bResult);
return bResult;
}
bool CIRCSock::OnPrivCTCP(CNick& Nick, CString& sMessage) {
bool bResult = false;
IRCSOCKMODULECALL(OnPrivCTCP(Nick, sMessage), &bResult);
if (bResult) return true;
if (sMessage.TrimPrefix("ACTION ")) {
bResult = false;
IRCSOCKMODULECALL(OnPrivAction(Nick, sMessage), &bResult);
if (bResult) return true;
if (!m_pNetwork->IsUserOnline() || !m_pNetwork->GetUser()->AutoClearQueryBuffer()) {
CQuery* pQuery = m_pNetwork->AddQuery(Nick.GetNick());
if (pQuery) {
pQuery->AddBuffer(":" + _NAMEDFMT(Nick.GetNickMask()) + " PRIVMSG {target} :\001ACTION {text}\001", sMessage);
}
}
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_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();
} 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 true;
}
m_uNumCTCP++;
PutIRC("NOTICE " + Nick.GetNick() + " :\001" + sQuery + " " + sReply + "\001");
return true;
}
return false;
}
bool CIRCSock::OnPrivNotice(CNick& Nick, CString& sMessage) {
bool bResult = false;
IRCSOCKMODULECALL(OnPrivNotice(Nick, sMessage), &bResult);
if (bResult) return true;
if (!m_pNetwork->IsUserOnline()) {
// If the user is detached, add to the buffer
m_pNetwork->AddNoticeBuffer(":" + _NAMEDFMT(Nick.GetNickMask()) + " NOTICE {target} :{text}", sMessage);
}
return false;
}
bool CIRCSock::OnPrivMsg(CNick& Nick, CString& sMessage) {
bool bResult = false;
IRCSOCKMODULECALL(OnPrivMsg(Nick, sMessage), &bResult);
if (bResult) return true;
if (!m_pNetwork->IsUserOnline() || !m_pNetwork->GetUser()->AutoClearQueryBuffer()) {
CQuery* pQuery = m_pNetwork->AddQuery(Nick.GetNick());
if (pQuery) {
pQuery->AddBuffer(":" + _NAMEDFMT(Nick.GetNickMask()) + " PRIVMSG {target} :{text}", sMessage);
}
}
return false;
}
bool CIRCSock::OnChanCTCP(CNick& Nick, const CString& sChan, CString& sMessage) {
CChan* pChan = m_pNetwork->FindChan(sChan);
if (pChan) {
bool bResult = false;
IRCSOCKMODULECALL(OnChanCTCP(Nick, *pChan, sMessage), &bResult);
if (bResult) return true;
// Record a /me
if (sMessage.TrimPrefix("ACTION ")) {
bResult = false;
IRCSOCKMODULECALL(OnChanAction(Nick, *pChan, sMessage), &bResult);
if (bResult) return true;
if (!pChan->AutoClearChanBuffer() || !m_pNetwork->IsUserOnline() || pChan->IsDetached()) {
pChan->AddBuffer(":" + _NAMEDFMT(Nick.GetNickMask()) + " PRIVMSG " + _NAMEDFMT(sChan) + " :\001ACTION {text}\001", sMessage);
}
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_pNetwork->FindChan(sChan);
if (pChan) {