X-Git-Url: https://git.netwichtig.de/gitweb/?a=blobdiff_plain;f=src%2Fusers.cpp;h=647619ae81e7027ec7b6410b21491de712c2714f;hb=1312f2db8ed90464e73acdcc07bb1aae92964345;hp=7f60b2f93eea5c86979734b5cbfc35ad18b4ccba;hpb=91df762e93212958db487d8517addba1a63a4ddd;p=user%2Fhenk%2Fcode%2Finspircd.git

diff --git a/src/users.cpp b/src/users.cpp
index 7f60b2f93..647619ae8 100644
--- a/src/users.cpp
+++ b/src/users.cpp
@@ -20,8 +20,7 @@
 #include "bancache.h"
 #include "commands/cmd_whowas.h"
 
-/* XXX: Used for speeding up WriteCommon operations */
-unsigned long uniq_id = 1;
+static unsigned long uniq_id = 1;
 
 static unsigned long* already_sent = NULL;
 
@@ -109,9 +108,9 @@ void User::StartDNSLookup()
 		UserResolver *res_reverse;
 
 		QueryType resolvtype = this->client_sa.sa.sa_family == AF_INET6 ? DNS_QUERY_PTR6 : DNS_QUERY_PTR4;
-		res_reverse = new UserResolver(this->ServerInstance, this, sip, resolvtype, cached);
+		res_reverse = new UserResolver(this, sip, resolvtype, cached);
 
-		this->ServerInstance->AddResolver(res_reverse, cached);
+		ServerInstance->AddResolver(res_reverse, cached);
 	}
 	catch (CoreException& e)
 	{
@@ -205,9 +204,9 @@ void User::DecrementModes()
 	}
 }
 
-User::User(InspIRCd* Instance, const std::string &uid) : ServerInstance(Instance)
+User::User(const std::string &uid)
 {
-	server = Instance->FindServerNamePtr(Instance->Config->ServerName);
+	server = ServerInstance->Config->ServerName;
 	age = ServerInstance->Time();
 	Penalty = 0;
 	lastping = signon = idle_lastmsg = nping = registered = 0;
@@ -216,57 +215,27 @@ User::User(InspIRCd* Instance, const std::string &uid) : ServerInstance(Instance
 	fd = -1;
 	server_sa.sa.sa_family = AF_UNSPEC;
 	client_sa.sa.sa_family = AF_UNSPEC;
-	recvq.clear();
-	sendq.clear();
 	MyClass = NULL;
 	AllowedPrivs = AllowedOperCommands = NULL;
-	chans.clear();
-	invites.clear();
 
 	if (uid.empty())
-		uuid.assign(Instance->GetUID(), 0, UUID_LENGTH - 1);
+		uuid.assign(ServerInstance->GetUID(), 0, UUID_LENGTH - 1);
 	else
 		uuid.assign(uid, 0, UUID_LENGTH - 1);
 
 	ServerInstance->Logs->Log("USERS", DEBUG,"New UUID for user: %s (%s)", uuid.c_str(), uid.empty() ? "allocated new" : "used remote");
 
-	user_hash::iterator finduuid = Instance->Users->uuidlist->find(uuid);
-	if (finduuid == Instance->Users->uuidlist->end())
-		(*Instance->Users->uuidlist)[uuid] = this;
+	user_hash::iterator finduuid = ServerInstance->Users->uuidlist->find(uuid);
+	if (finduuid == ServerInstance->Users->uuidlist->end())
+		(*ServerInstance->Users->uuidlist)[uuid] = this;
 	else
 		throw CoreException("Duplicate UUID "+std::string(uuid)+" in User constructor");
 }
 
 User::~User()
 {
-	/* NULL for remote users :) */
-	if (this->MyClass)
-	{
-		this->MyClass->RefCount--;
-		ServerInstance->Logs->Log("USERS", DEBUG, "User destructor -- connect refcount now: %lu", this->MyClass->RefCount);
-		if (MyClass->RefCount == 0)
-			delete MyClass;
-	}
-
-	if (this->AllowedOperCommands)
-	{
-		delete AllowedOperCommands;
-		AllowedOperCommands = NULL;
-	}
-
-	if (this->AllowedPrivs)
-	{
-		delete AllowedPrivs;
-		AllowedPrivs = NULL;
-	}
-
-	this->InvalidateCache();
-	this->DecrementModes();
-
-	if (client_sa.sa.sa_family != AF_UNSPEC)
-		ServerInstance->Users->RemoveCloneCounts(this);
-
-	ServerInstance->Users->uuidlist->erase(uuid);
+	if (uuid.length())
+		ServerInstance->Logs->Log("USERS", ERROR, "User destructor for %s called without cull", uuid.c_str());
 }
 
 const std::string& User::MakeHost()
@@ -309,15 +278,6 @@ const std::string& User::MakeHostIP()
 	return this->cached_hostip;
 }
 
-void User::CloseSocket()
-{
-	if (this->fd > -1)
-	{
-		ServerInstance->SE->Shutdown(this, 2);
-		ServerInstance->SE->Close(this);
-	}
-}
-
 const std::string User::GetFullHost()
 {
 	if (!this->cached_fullhost.empty())
@@ -352,21 +312,6 @@ char* User::MakeWildHost()
 	return nresult;
 }
 
-int User::ReadData(void* buffer, size_t size)
-{
-	if (IS_LOCAL(this))
-	{
-#ifndef WIN32
-		return read(this->fd, buffer, size);
-#else
-		return recv(this->fd, (char*)buffer, size, 0);
-#endif
-	}
-	else
-		return 0;
-}
-
-
 const std::string User::GetFullRealHost()
 {
 	if (!this->cached_fullrealhost.empty())
@@ -540,191 +485,131 @@ bool User::HasPrivPermission(const std::string &privstr, bool noisy)
 	return false;
 }
 
-bool User::AddBuffer(const std::string &a)
+void User::OnDataReady()
 {
-	std::string::size_type start = 0;
-	std::string::size_type i = a.find('\r');
-
-	/*
-	 * The old implementation here took a copy, and rfind() on \r, removing as it found them, before
-	 * copying a second time onto the recvq. That's ok, but involves three copies minimum (recv() to buffer,
-	 * buffer to here, here to recvq) - The new method now copies twice (recv() to buffer, buffer to recvq).
-	 *
-	 * We use find() instead of rfind() for clarity, however unlike the old code, our scanning of the string is
-	 * contiguous: as we specify a startpoint, we never see characters we have scanned previously, making this
-	 * marginally faster in cases with a number of \r hidden early on in the buffer.
-	 *
-	 * How it works:
-	 * Start at first pos of string, find first \r, append everything in the chunk (excluding \r) to recvq. Set
-	 * i ahead of the \r, search for next \r, add next chunk to buffer... repeat.
-	 *		-- w00t (7 may, 2008)
-	 */
-	if (i == std::string::npos)
-	{
-		// no \r that we need to dance around, just add to buffer
-		recvq.append(a);
-	}
-	else
-	{
-		// While we can find the end of a chunk to add
-		while (i != std::string::npos)
-		{
-			// Append the chunk that we have
-			recvq.append(a, start, (i - start));
-
-			// Start looking for the next one
-			start = i + 1;
-			i = a.find('\r', start);
-		}
-
-		if (start != a.length())
-		{
-			/*
-			 * This is here to catch a corner case when we get something like:
-			 * NICK w0
-			 * 0t\r\nU
-			 * SER ...
-			 * in successive calls to us.
-			 *
-			 * Without this conditional, the 'U' on the second case will be dropped,
-			 * which is most *certainly* not the behaviour we want!
-			 *		-- w00t
-			 */
-			recvq.append(a, start, (a.length() - start));
-		}
-	}
+	if (quitting)
+		return;
 
-	if (this->MyClass && !this->HasPrivPermission("users/flood/increased-buffers") && recvq.length() > this->MyClass->GetRecvqMax())
+	if (MyClass && recvq.length() > MyClass->GetRecvqMax() && !HasPrivPermission("users/flood/increased-buffers"))
 	{
 		ServerInstance->Users->QuitUser(this, "RecvQ exceeded");
-		ServerInstance->SNO->WriteToSnoMask('a', "User %s RecvQ of %lu exceeds connect class maximum of %lu",this->nick.c_str(),(unsigned long int)recvq.length(),this->MyClass->GetRecvqMax());
-		return false;
+		ServerInstance->SNO->WriteToSnoMask('a', "User %s RecvQ of %lu exceeds connect class maximum of %lu",
+			nick.c_str(), (unsigned long)recvq.length(), MyClass->GetRecvqMax());
 	}
+	unsigned long sendqmax = ULONG_MAX;
+	if (MyClass && !HasPrivPermission("users/flood/increased-buffers"))
+		sendqmax = MyClass->GetSendqSoftMax();
 
-	return true;
-}
-
-bool User::BufferIsReady()
-{
-	return (recvq.find('\n') != std::string::npos);
-}
-
-void User::ClearBuffer()
-{
-	recvq.clear();
-}
-
-std::string User::GetBuffer()
-{
-	try
+	while (Penalty < 10 && getSendQSize() < sendqmax)
 	{
-		if (recvq.empty())
-			return "";
-
-		/* Strip any leading \r or \n off the string.
-		 * Usually there are only one or two of these,
-		 * so its is computationally cheap to do.
-		 */
-		std::string::iterator t = recvq.begin();
-		while (t != recvq.end() && (*t == '\r' || *t == '\n'))
+		std::string line;
+		line.reserve(MAXBUF);
+		std::string::size_type qpos = 0;
+		while (qpos < recvq.length())
 		{
-			recvq.erase(t);
-			t = recvq.begin();
-		}
-
-		for (std::string::iterator x = recvq.begin(); x != recvq.end(); x++)
-		{
-			/* Find the first complete line, return it as the
-			 * result, and leave the recvq as whats left
-			 */
-			if (*x == '\n')
+			char c = recvq[qpos++];
+			switch (c)
 			{
-				std::string ret = std::string(recvq.begin(), x);
-				recvq.erase(recvq.begin(), x + 1);
-				return ret;
+			case '\0':
+				c = ' ';
+				break;
+			case '\r':
+				continue;
+			case '\n':
+				goto eol_found;
 			}
+			if (line.length() < MAXBUF - 2)
+				line.push_back(c);
 		}
-		return "";
-	}
+		// if we got here, the recvq ran out before we found a newline
+		return;
+eol_found:
+		// just found a newline. Terminate the string, and pull it out of recvq
+		recvq = recvq.substr(qpos);
 
-	catch (...)
-	{
-		ServerInstance->Logs->Log("USERS", DEBUG,"Exception in User::GetBuffer()");
-		return "";
+		// TODO should this be moved to when it was inserted in recvq?
+		ServerInstance->stats->statsRecv += qpos;
+		this->bytes_in += qpos;
+		this->cmds_in++;
+
+		ServerInstance->Parser->ProcessBuffer(line, this);
 	}
+	// Add pseudo-penalty so that we continue processing after sendq recedes
+	if (Penalty == 0 && getSendQSize() >= sendqmax)
+		Penalty++;
 }
 
 void User::AddWriteBuf(const std::string &data)
 {
-	if (!this->quitting && this->MyClass && !this->HasPrivPermission("users/flood/increased-buffers") && sendq.length() + data.length() > this->MyClass->GetSendqMax())
+	// Don't bother sending text to remote users!
+	if (IS_REMOTE(this))
+		return;
+	if (!quitting && MyClass && getSendQSize() + data.length() > MyClass->GetSendqHardMax() && !HasPrivPermission("users/flood/increased-buffers"))
 	{
 		/*
-		 * Fix by brain - Set the error text BEFORE calling, because
-		 * if we dont it'll recursively  call here over and over again trying
-		 * to repeatedly add the text to the sendq!
+		 * Quit the user FIRST, because otherwise we could recurse
+		 * here and hit the same limit.
 		 */
 		ServerInstance->Users->QuitUser(this, "SendQ exceeded");
-		ServerInstance->SNO->WriteToSnoMask('a', "User %s SendQ of %lu exceeds connect class maximum of %lu",this->nick.c_str(),(unsigned long int)sendq.length() + data.length(),this->MyClass->GetSendqMax());
+		ServerInstance->SNO->WriteToSnoMask('a', "User %s SendQ exceeds connect class maximum of %lu",
+			nick.c_str(), MyClass->GetSendqHardMax());
 		return;
 	}
 
 	// We still want to append data to the sendq of a quitting user,
 	// e.g. their ERROR message that says 'closing link'
 
-	if (data.length() > MAXBUF - 2) /* MAXBUF has a value of 514, to account for line terminators */
-		sendq.append(data.substr(0,MAXBUF - 4)).append("\r\n"); /* MAXBUF-4 = 510 */
-	else
-		sendq.append(data);
+	WriteData(data);
+}
+
+void User::OnError(BufferedSocketError)
+{
+	ServerInstance->Users->QuitUser(this, getError());
 }
 
-// send AS MUCH OF THE USERS SENDQ as we are able to (might not be all of it)
-void User::FlushWriteBuf()
+bool User::cull()
 {
-	if (this->fd == FD_MAGIC_NUMBER)
+	if (!quitting)
+		ServerInstance->Users->QuitUser(this, "Culled without QuitUser");
+	if (uuid.empty())
 	{
-		sendq.clear();
-		return;
+		ServerInstance->Logs->Log("USERS", DEBUG, "User culled twice? UUID empty");
+		return true;
 	}
-
-	if ((sendq.length()) && (this->fd != FD_MAGIC_NUMBER))
+	PurgeEmptyChannels();
+	if (IS_LOCAL(this))
 	{
-		int old_sendq_length = sendq.length();
-		int n_sent = ServerInstance->SE->Send(this, this->sendq.data(), this->sendq.length(), 0);
+		if (fd != INT_MAX)
+			Close();
 
-		if (n_sent == -1)
-		{
-			if (errno == EAGAIN)
-			{
-				/* The socket buffer is full. This isnt fatal,
-				 * try again later.
-				 */
-				ServerInstance->SE->WantWrite(this);
-			}
-			else
-			{
-				/* Fatal error, set write error and bail */
-				ServerInstance->Users->QuitUser(this, errno ? strerror(errno) : "Write error");
-				return;
-			}
-		}
+		std::vector<User*>::iterator x = find(ServerInstance->Users->local_users.begin(),ServerInstance->Users->local_users.end(),this);
+		if (x != ServerInstance->Users->local_users.end())
+			ServerInstance->Users->local_users.erase(x);
 		else
-		{
-			/* advance the queue */
-			if (n_sent)
-				this->sendq = this->sendq.substr(n_sent);
-			/* update the user's stats counters */
-			this->bytes_out += n_sent;
-			this->cmds_out++;
-			if (n_sent != old_sendq_length)
-				this->ServerInstance->SE->WantWrite(this);
-		}
+			ServerInstance->Logs->Log("USERS", DEBUG, "Failed to remove user from vector");
 	}
 
-	/* note: NOT else if! */
-	if (this->sendq.empty())
+	if (this->AllowedOperCommands)
 	{
-		FOREACH_MOD(I_OnBufferFlushed,OnBufferFlushed(this));
+		delete AllowedOperCommands;
+		AllowedOperCommands = NULL;
 	}
+
+	if (this->AllowedPrivs)
+	{
+		delete AllowedPrivs;
+		AllowedPrivs = NULL;
+	}
+
+	this->InvalidateCache();
+	this->DecrementModes();
+
+	if (client_sa.sa.sa_family != AF_UNSPEC)
+		ServerInstance->Users->RemoveCloneCounts(this);
+
+	ServerInstance->Users->uuidlist->erase(uuid);
+	uuid.clear();
+	return true;
 }
 
 void User::Oper(const std::string &opertype, const std::string &opername)
@@ -953,11 +838,11 @@ void User::FullConnect()
 	if (this->CheckLines())
 		return;
 
-	this->WriteServ("NOTICE Auth :Welcome to \002%s\002!",ServerInstance->Config->Network);
-	this->WriteNumeric(RPL_WELCOME, "%s :Welcome to the %s IRC Network %s!%s@%s",this->nick.c_str(), ServerInstance->Config->Network, this->nick.c_str(), this->ident.c_str(), this->host.c_str());
-	this->WriteNumeric(RPL_YOURHOSTIS, "%s :Your host is %s, running version InspIRCd-2.0",this->nick.c_str(),ServerInstance->Config->ServerName);
+	this->WriteServ("NOTICE Auth :Welcome to \002%s\002!",ServerInstance->Config->Network.c_str());
+	this->WriteNumeric(RPL_WELCOME, "%s :Welcome to the %s IRC Network %s!%s@%s",this->nick.c_str(), ServerInstance->Config->Network.c_str(), this->nick.c_str(), this->ident.c_str(), this->host.c_str());
+	this->WriteNumeric(RPL_YOURHOSTIS, "%s :Your host is %s, running version InspIRCd-2.0",this->nick.c_str(),ServerInstance->Config->ServerName.c_str());
 	this->WriteNumeric(RPL_SERVERCREATED, "%s :This server was created %s %s", this->nick.c_str(), __TIME__, __DATE__);
-	this->WriteNumeric(RPL_SERVERVERSION, "%s %s InspIRCd-2.0 %s %s %s", this->nick.c_str(), ServerInstance->Config->ServerName, ServerInstance->Modes->UserModeList().c_str(), ServerInstance->Modes->ChannelModeList().c_str(), ServerInstance->Modes->ParaModeList().c_str());
+	this->WriteNumeric(RPL_SERVERVERSION, "%s %s InspIRCd-2.0 %s %s %s", this->nick.c_str(), ServerInstance->Config->ServerName.c_str(), ServerInstance->Modes->UserModeList().c_str(), ServerInstance->Modes->ChannelModeList().c_str(), ServerInstance->Modes->ParaModeList().c_str());
 
 	ServerInstance->Config->Send005(this);
 	this->WriteNumeric(RPL_YOURUUID, "%s %s :your unique ID", this->nick.c_str(), this->uuid.c_str());
@@ -973,7 +858,7 @@ void User::FullConnect()
 	ModResult MOD_RESULT;
 	std::string command("LUSERS");
 	std::vector<std::string> parameters;
-	FIRST_MOD_RESULT(ServerInstance, OnPreCommand, MOD_RESULT, (command, parameters, this, true, "LUSERS"));
+	FIRST_MOD_RESULT(OnPreCommand, MOD_RESULT, (command, parameters, this, true, "LUSERS"));
 	if (!MOD_RESULT)
 		ServerInstance->CallCommandHandler(command, parameters, this);
 
@@ -1030,7 +915,7 @@ bool User::ForceNickChange(const char* newnick)
 	this->InvalidateCache();
 
 	NICKForced.set(this, 1);
-	FIRST_MOD_RESULT(ServerInstance, OnUserPreNick, MOD_RESULT, (this, newnick));
+	FIRST_MOD_RESULT(OnUserPreNick, MOD_RESULT, (this, newnick));
 	NICKForced.set(this, 0);
 
 	if (MOD_RESULT == MOD_RES_DENY)
@@ -1163,14 +1048,6 @@ const char* User::GetCIDRMask(int range)
 	return ""; // unused, but oh well
 }
 
-std::string User::GetServerIP()
-{
-	int port;
-	std::string ip;
-	irc::sockets::satoap(&server_sa, ip, port);
-	return ip;
-}
-
 const char* User::GetIPString()
 {
 	int port;
@@ -1191,35 +1068,29 @@ bool User::SetClientIP(const char* sip)
 	return irc::sockets::aptosa(sip, 0, &client_sa);
 }
 
+static std::string wide_newline("\r\n");
+
 void User::Write(const std::string& text)
 {
 	if (!ServerInstance->SE->BoundsCheckFd(this))
 		return;
 
-	ServerInstance->Logs->Log("USEROUTPUT", DEBUG,"C[%d] O %s", this->GetFd(), text.c_str());
-
-	if (this->GetIOHook())
+	if (text.length() > MAXBUF - 2)
 	{
-		/* XXX: The lack of buffering here is NOT a bug, modules implementing this interface have to
-		 * implement their own buffering mechanisms
-		 */
-		try
-		{
-			this->GetIOHook()->OnRawSocketWrite(this->fd, text.data(), text.length());
-			this->GetIOHook()->OnRawSocketWrite(this->fd, "\r\n", 2);
-		}
-		catch (CoreException& modexcept)
-		{
-			ServerInstance->Logs->Log("USEROUTPUT", DEBUG, "%s threw an exception: %s", modexcept.GetSource(), modexcept.GetReason());
-		}
-	}
-	else
-	{
-		this->AddWriteBuf(text);
-		this->AddWriteBuf("\r\n");
+		// this should happen rarely or never. Crop the string at 512 and try again.
+		std::string try_again = text.substr(0, MAXBUF - 2);
+		Write(try_again);
+		return;
 	}
+
+	ServerInstance->Logs->Log("USEROUTPUT", DEBUG,"C[%d] O %s", this->GetFd(), text.c_str());
+
+	this->AddWriteBuf(text);
+	this->AddWriteBuf(wide_newline);
+
 	ServerInstance->stats->statsSent += text.length() + 2;
-	this->ServerInstance->SE->WantWrite(this);
+	this->bytes_out += text.length() + 2;
+	this->cmds_out++;
 }
 
 /** Write()
@@ -1238,7 +1109,7 @@ void User::Write(const char *text, ...)
 
 void User::WriteServ(const std::string& text)
 {
-	this->Write(":%s %s",ServerInstance->Config->ServerName,text.c_str());
+	this->Write(":%s %s",ServerInstance->Config->ServerName.c_str(),text.c_str());
 }
 
 /** WriteServ()
@@ -1274,12 +1145,12 @@ void User::WriteNumeric(unsigned int numeric, const std::string &text)
 	char textbuffer[MAXBUF];
 	ModResult MOD_RESULT;
 
-	FIRST_MOD_RESULT(ServerInstance, OnNumeric, MOD_RESULT, (this, numeric, text));
+	FIRST_MOD_RESULT(OnNumeric, MOD_RESULT, (this, numeric, text));
 
 	if (MOD_RESULT == MOD_RES_DENY)
 		return;
 
-	snprintf(textbuffer,MAXBUF,":%s %03u %s",ServerInstance->Config->ServerName, numeric, text.c_str());
+	snprintf(textbuffer,MAXBUF,":%s %03u %s",ServerInstance->Config->ServerName.c_str(), numeric, text.c_str());
 	this->Write(std::string(textbuffer));
 }
 
@@ -1327,78 +1198,80 @@ void User::WriteTo(User *dest, const std::string &data)
 	dest->WriteFrom(this, data);
 }
 
-
 void User::WriteCommon(const char* text, ...)
 {
 	char textbuffer[MAXBUF];
 	va_list argsPtr;
 
-	if (this->registered != REG_ALL)
+	if (this->registered != REG_ALL || !IS_LOCAL(this) || quitting)
 		return;
 
+	int len = snprintf(textbuffer,MAXBUF,":%s ",this->GetFullHost().c_str());
+
 	va_start(argsPtr, text);
-	vsnprintf(textbuffer, MAXBUF, text, argsPtr);
+	vsnprintf(textbuffer + len, MAXBUF - len, text, argsPtr);
 	va_end(argsPtr);
 
-	this->WriteCommon(std::string(textbuffer));
+	this->WriteCommonRaw(std::string(textbuffer), true);
 }
 
-void User::WriteCommon(const std::string &text)
+void User::WriteCommonExcept(const char* text, ...)
 {
-	bool sent_to_at_least_one = false;
-	char tb[MAXBUF];
+	char textbuffer[MAXBUF];
+	va_list argsPtr;
 
-	if (this->registered != REG_ALL)
+	if (this->registered != REG_ALL || !IS_LOCAL(this) || quitting)
 		return;
 
-	uniq_id++;
+	int len = snprintf(textbuffer,MAXBUF,":%s ",this->GetFullHost().c_str());
+
+	va_start(argsPtr, text);
+	vsnprintf(textbuffer + len, MAXBUF - len, text, argsPtr);
+	va_end(argsPtr);
+
+	this->WriteCommonRaw(std::string(textbuffer), false);
+}
+
+void User::WriteCommonRaw(const std::string &line, bool include_self)
+{
+	if (this->registered != REG_ALL || !IS_LOCAL(this) || quitting)
+		return;
 
 	if (!already_sent)
 		InitializeAlreadySent(ServerInstance->SE);
+	uniq_id++;
 
-	/* We dont want to be doing this n times, just once */
-	snprintf(tb,MAXBUF,":%s %s",this->GetFullHost().c_str(),text.c_str());
-	std::string out = tb;
+	UserChanList include_c(chans);
+	std::map<User*,bool> exceptions;
 
-	for (UCListIter v = this->chans.begin(); v != this->chans.end(); v++)
+	exceptions[this] = include_self;
+
+	FOREACH_MOD(I_OnBuildNeighborList,OnBuildNeighborList(this, include_c, exceptions));
+
+	for (std::map<User*,bool>::iterator i = exceptions.begin(); i != exceptions.end(); ++i)
 	{
-		const UserMembList* ulist = (*v)->GetUsers();
+		User* u = i->first;
+		if (IS_LOCAL(u) && !u->quitting)
+		{
+			already_sent[u->fd] = uniq_id;
+			if (i->second)
+				u->Write(line);
+		}
+	}
+	for (UCListIter v = include_c.begin(); v != include_c.end(); ++v)
+	{
+		Channel* c = *v;
+		const UserMembList* ulist = c->GetUsers();
 		for (UserMembList::const_iterator i = ulist->begin(); i != ulist->end(); i++)
 		{
-			if ((IS_LOCAL(i->first)) && (already_sent[i->first->fd] != uniq_id))
+			User* u = i->first;
+			if (IS_LOCAL(u) && !u->quitting && already_sent[u->fd] != uniq_id)
 			{
-				already_sent[i->first->fd] = uniq_id;
-				i->first->Write(out);
-				sent_to_at_least_one = true;
+				already_sent[u->fd] = uniq_id;
+				u->Write(line);
 			}
 		}
 	}
-
-	/*
-	 * if the user was not in any channels, no users will receive the text. Make sure the user
-	 * receives their OWN message for WriteCommon
-	 */
-	if (!sent_to_at_least_one)
-	{
-		this->Write(std::string(tb));
-	}
-}
-
-
-/* write a formatted string to all users who share at least one common
- * channel, NOT including the source user e.g. for use in QUIT
- */
-
-void User::WriteCommonExcept(const char* text, ...)
-{
-	char textbuffer[MAXBUF];
-	va_list argsPtr;
-
-	va_start(argsPtr, text);
-	vsnprintf(textbuffer, MAXBUF, text, argsPtr);
-	va_end(argsPtr);
-
-	this->WriteCommonExcept(std::string(textbuffer));
 }
 
 void User::WriteCommonQuit(const std::string &normal_text, const std::string &oper_text)
@@ -1419,55 +1292,34 @@ void User::WriteCommonQuit(const std::string &normal_text, const std::string &op
 	std::string out1 = tb1;
 	std::string out2 = tb2;
 
-	for (UCListIter v = this->chans.begin(); v != this->chans.end(); v++)
+	UserChanList include_c(chans);
+	std::map<User*,bool> exceptions;
+
+	FOREACH_MOD(I_OnBuildNeighborList,OnBuildNeighborList(this, include_c, exceptions));
+
+	for (std::map<User*,bool>::iterator i = exceptions.begin(); i != exceptions.end(); ++i)
 	{
-		const UserMembList* ulist = (*v)->GetUsers();
-		for (UserMembList::const_iterator i = ulist->begin(); i != ulist->end(); i++)
+		User* u = i->first;
+		if (IS_LOCAL(u) && !u->quitting)
 		{
-			if (this != i->first)
-			{
-				if ((IS_LOCAL(i->first)) && (already_sent[i->first->fd] != uniq_id))
-				{
-					already_sent[i->first->fd] = uniq_id;
-					i->first->Write(IS_OPER(i->first) ? out2 : out1);
-				}
-			}
+			already_sent[u->fd] = uniq_id;
+			if (i->second)
+				u->Write(IS_OPER(u) ? out2 : out1);
 		}
 	}
-}
-
-void User::WriteCommonExcept(const std::string &text)
-{
-	char tb1[MAXBUF];
-	std::string out1;
-
-	if (this->registered != REG_ALL)
-		return;
-
-	uniq_id++;
-
-	if (!already_sent)
-		InitializeAlreadySent(ServerInstance->SE);
-
-	snprintf(tb1,MAXBUF,":%s %s",this->GetFullHost().c_str(),text.c_str());
-	out1 = tb1;
-
-	for (UCListIter v = this->chans.begin(); v != this->chans.end(); v++)
+	for (UCListIter v = include_c.begin(); v != include_c.end(); ++v)
 	{
 		const UserMembList* ulist = (*v)->GetUsers();
 		for (UserMembList::const_iterator i = ulist->begin(); i != ulist->end(); i++)
 		{
-			if (this != i->first)
+			User* u = i->first;
+			if (IS_LOCAL(u) && !u->quitting && (already_sent[u->fd] != uniq_id))
 			{
-				if ((IS_LOCAL(i->first)) && (already_sent[i->first->fd] != uniq_id))
-				{
-					already_sent[i->first->fd] = uniq_id;
-					i->first->Write(out1);
-				}
+				already_sent[u->fd] = uniq_id;
+				u->Write(IS_OPER(u) ? out2 : out1);
 			}
 		}
 	}
-
 }
 
 void User::WriteWallOps(const std::string &text)
@@ -1535,7 +1387,7 @@ bool User::ChangeName(const char* gecos)
 	if (IS_LOCAL(this))
 	{
 		ModResult MOD_RESULT;
-		FIRST_MOD_RESULT(ServerInstance, OnChangeLocalUserGECOS, MOD_RESULT, (this,gecos));
+		FIRST_MOD_RESULT(OnChangeLocalUserGECOS, MOD_RESULT, (this,gecos));
 		if (MOD_RESULT == MOD_RES_DENY)
 			return false;
 		FOREACH_MOD(I_OnChangeName,OnChangeName(this,gecos));
@@ -1549,12 +1401,7 @@ void User::DoHostCycle(const std::string &quitline)
 {
 	char buffer[MAXBUF];
 
-	ModResult result = MOD_RES_PASSTHRU;
-	FIRST_MOD_RESULT(ServerInstance, OnHostCycle, result, (this));
-
-	if (result == MOD_RES_DENY)
-		return;
-	if (result == MOD_RES_PASSTHRU && !ServerInstance->Config->CycleHosts)
+	if (!ServerInstance->Config->CycleHosts)
 		return;
 
 	uniq_id++;
@@ -1562,12 +1409,27 @@ void User::DoHostCycle(const std::string &quitline)
 	if (!already_sent)
 		InitializeAlreadySent(ServerInstance->SE);
 
-	for (UCListIter v = this->chans.begin(); v != this->chans.end(); v++)
+	UserChanList include_c(chans);
+	std::map<User*,bool> exceptions;
+
+	FOREACH_MOD(I_OnBuildNeighborList,OnBuildNeighborList(this, include_c, exceptions));
+
+	for (std::map<User*,bool>::iterator i = exceptions.begin(); i != exceptions.end(); ++i)
+	{
+		User* u = i->first;
+		if (IS_LOCAL(u) && !u->quitting)
+		{
+			already_sent[u->fd] = uniq_id;
+			if (i->second)
+				u->Write(quitline);
+		}
+	}
+	for (UCListIter v = include_c.begin(); v != include_c.end(); ++v)
 	{
 		Channel* c = *v;
 		snprintf(buffer, MAXBUF, ":%s JOIN %s", GetFullHost().c_str(), c->name.c_str());
 		std::string joinline(buffer);
-		std::string modeline = this->ServerInstance->Modes->ModeString(this, c);
+		std::string modeline = ServerInstance->Modes->ModeString(this, c);
 		if (modeline.length() > 0)
 		{
 			snprintf(buffer, MAXBUF, ":%s MODE %s +%s", GetFullHost().c_str(), c->name.c_str(), modeline.c_str());
@@ -1601,7 +1463,7 @@ bool User::ChangeDisplayedHost(const char* shost)
 	if (IS_LOCAL(this))
 	{
 		ModResult MOD_RESULT;
-		FIRST_MOD_RESULT(ServerInstance, OnChangeLocalUserHost, MOD_RESULT, (this,shost));
+		FIRST_MOD_RESULT(OnChangeLocalUserHost, MOD_RESULT, (this,shost));
 		if (MOD_RESULT == MOD_RES_DENY)
 			return false;
 	}
@@ -1661,21 +1523,18 @@ void User::SendAll(const char* command, const char* text, ...)
 }
 
 
-std::string User::ChannelList(User* source)
+std::string User::ChannelList(User* source, bool spy)
 {
 	std::string list;
 
 	for (UCListIter i = this->chans.begin(); i != this->chans.end(); i++)
 	{
 		Channel* c = *i;
-		/* If the target is the same as the sender, let them see all their channels.
-		 * If the channel is NOT private/secret OR the user shares a common channel
-		 * If the user is an oper, and the <options:operspywhois> option is set.
+		/* If the target is the sender, neither +p nor +s is set, or
+		 * the channel contains the user, it is not a spy channel
 		 */
-		if ((source == this) || (IS_OPER(source) && ServerInstance->Config->OperSpyWhois) || (((!c->IsModeSet('p')) && (!c->IsModeSet('s'))) || (c->HasUser(source))))
-		{
+		if (spy != (source == this || !(c->IsModeSet('p') || c->IsModeSet('s')) || c->HasUser(source)))
 			list.append(c->GetPrefixChar(this)).append(c->name).append(" ");
-		}
 	}
 
 	return list;
@@ -1689,7 +1548,7 @@ void User::SplitChanList(User* dest, const std::string &cl)
 
 	prefix << this->nick << " " << dest->nick << " :";
 	line = prefix.str();
-	int namelen = strlen(ServerInstance->Config->ServerName) + 6;
+	int namelen = ServerInstance->Config->ServerName.length() + 6;
 
 	for (start = 0; (pos = cl.find(' ', start)) != std::string::npos; start = pos+1)
 	{
@@ -1774,7 +1633,7 @@ ConnectClass* User::SetClass(const std::string &explicit_name)
 			 * deny change if change will take class over the limit check it HERE, not after we found a matching class,
 			 * because we should attempt to find another class if this one doesn't match us. -- w00t
 			 */
-			if (c->limit && (c->RefCount >= c->limit))
+			if (c->limit && (c->GetReferenceCount() >= c->limit))
 			{
 				ServerInstance->Logs->Log("CONNECTCLASS", DEBUG, "OOPS: Connect class limit (%lu) hit, denying", c->limit);
 				continue;
@@ -1804,20 +1663,7 @@ ConnectClass* User::SetClass(const std::string &explicit_name)
 	 */
 	if (found)
 	{
-		/* only fiddle with refcounts if they are already in a class .. */
-		if (this->MyClass)
-		{
-			if (found == this->MyClass) // no point changing this shit :P
-				return this->MyClass;
-			this->MyClass->RefCount--;
-			ServerInstance->Logs->Log("USERS", DEBUG, "Untying user from connect class -- refcount: %lu", this->MyClass->RefCount);
-			if (MyClass->RefCount == 0)
-				delete MyClass;
-		}
-
-		this->MyClass = found;
-		this->MyClass->RefCount++;
-		ServerInstance->Logs->Log("USERS", DEBUG, "User tied to new class -- connect refcount now: %lu", this->MyClass->RefCount);
+		MyClass = found;
 	}
 
 	return this->MyClass;
@@ -1863,7 +1709,7 @@ void User::PurgeEmptyChannels()
 		if (i2 != ServerInstance->chanlist->end())
 		{
 			ModResult MOD_RESULT;
-			FIRST_MOD_RESULT(ServerInstance, OnChannelPreDelete, MOD_RESULT, (i2->second));
+			FIRST_MOD_RESULT(OnChannelPreDelete, MOD_RESULT, (i2->second));
 			if (MOD_RESULT == MOD_RES_DENY)
 				continue; // delete halted by module
 			FOREACH_MOD(I_OnChannelDelete,OnChannelDelete(i2->second));
@@ -1883,7 +1729,7 @@ void User::ShowMOTD()
 		this->WriteNumeric(ERR_NOMOTD, "%s :Message of the day file is missing.",this->nick.c_str());
 		return;
 	}
-	this->WriteNumeric(RPL_MOTDSTART, "%s :%s message of the day", this->nick.c_str(), ServerInstance->Config->ServerName);
+	this->WriteNumeric(RPL_MOTDSTART, "%s :%s message of the day", this->nick.c_str(), ServerInstance->Config->ServerName.c_str());
 
 	for (file_cache::iterator i = ServerInstance->Config->MOTD.begin(); i != ServerInstance->Config->MOTD.end(); i++)
 		this->WriteNumeric(RPL_MOTD, "%s :- %s",this->nick.c_str(),i->c_str());
@@ -1899,7 +1745,7 @@ void User::ShowRULES()
 		return;
 	}
 
-	this->WriteNumeric(RPL_RULESTART, "%s :- %s Server Rules -",this->nick.c_str(),ServerInstance->Config->ServerName);
+	this->WriteNumeric(RPL_RULESTART, "%s :- %s Server Rules -",this->nick.c_str(),ServerInstance->Config->ServerName.c_str());
 
 	for (file_cache::iterator i = ServerInstance->Config->RULES.begin(); i != ServerInstance->Config->RULES.end(); i++)
 		this->WriteNumeric(RPL_RULES, "%s :- %s",this->nick.c_str(),i->c_str());
@@ -1907,25 +1753,6 @@ void User::ShowRULES()
 	this->WriteNumeric(RPL_RULESEND, "%s :End of RULES command.",this->nick.c_str());
 }
 
-void User::HandleEvent(EventType et, int errornum)
-{
-	if (this->quitting) // drop everything, user is due to be quit
-		return;
-
-	switch (et)
-	{
-		case EVENT_READ:
-			ServerInstance->ProcessUser(this);
-		break;
-		case EVENT_WRITE:
-			this->FlushWriteBuf();
-		break;
-		case EVENT_ERROR:
-			ServerInstance->Users->QuitUser(this, errornum ? strerror(errornum) : "Client closed the connection");
-		break;
-	}
-}
-
 void User::IncreasePenalty(int increase)
 {
 	this->Penalty += increase;
@@ -1939,30 +1766,38 @@ void User::DecreasePenalty(int decrease)
 void FakeUser::SetFakeServer(std::string name)
 {
 	this->nick = name;
-	this->server = nick.c_str();
+	this->server = name;
 }
 
 const std::string FakeUser::GetFullHost()
 {
-	if (*ServerInstance->Config->HideWhoisServer)
+	if (!ServerInstance->Config->HideWhoisServer.empty())
 		return ServerInstance->Config->HideWhoisServer;
 	return nick;
 }
 
 const std::string FakeUser::GetFullRealHost()
 {
-	if (*ServerInstance->Config->HideWhoisServer)
+	if (!ServerInstance->Config->HideWhoisServer.empty())
 		return ServerInstance->Config->HideWhoisServer;
 	return nick;
 }
 
 ConnectClass::ConnectClass(char t, const std::string& mask)
-	: type(t), name("unnamed"), registration_timeout(0), host(mask), pingtime(0), pass(""), hash(""), sendqmax(0), recvqmax(0), maxlocal(0), maxglobal(0), maxchans(0), port(0), limit(0), RefCount(1)
+	: type(t), name("unnamed"), registration_timeout(0), host(mask),
+	pingtime(0), pass(""), hash(""), softsendqmax(0), hardsendqmax(0),
+	recvqmax(0), maxlocal(0), maxglobal(0), maxchans(0), port(0), limit(0)
 {
 }
 
 ConnectClass::ConnectClass(char t, const std::string& mask, const ConnectClass& parent)
-	: type(t), name("unnamed"), registration_timeout(parent.registration_timeout), host(mask), pingtime(parent.pingtime), pass(parent.pass), hash(parent.hash), sendqmax(parent.sendqmax), recvqmax(parent.recvqmax), maxlocal(parent.maxlocal), maxglobal(parent.maxglobal), maxchans(parent.maxchans), port(parent.port), limit(parent.limit), RefCount(1)
+	: type(t), name("unnamed"),
+	registration_timeout(parent.registration_timeout), host(mask),
+	pingtime(parent.pingtime), pass(parent.pass), hash(parent.hash),
+	softsendqmax(parent.softsendqmax), hardsendqmax(parent.hardsendqmax),
+	recvqmax(parent.recvqmax), maxlocal(parent.maxlocal),
+	maxglobal(parent.maxglobal), maxchans(parent.maxchans),
+	port(parent.port), limit(parent.limit)
 {
 }
 
@@ -1974,7 +1809,8 @@ void ConnectClass::Update(const ConnectClass* src)
 	pingtime = src->pingtime;
 	pass = src->pass;
 	hash = src->hash;
-	sendqmax = src->sendqmax;
+	softsendqmax = src->softsendqmax;
+	hardsendqmax = src->hardsendqmax;
 	recvqmax = src->recvqmax;
 	maxlocal = src->maxlocal;
 	maxglobal = src->maxglobal;