X-Git-Url: https://git.netwichtig.de/gitweb/?a=blobdiff_plain;f=src%2Fusers.cpp;h=0dc9cea573ced77a3893978e7e66986058b6dbb8;hb=3ae91bafe711b26ffae1aa27cfd4f5fe7bfc2347;hp=fb7c46d6b0e615bb5495ecc52725cb0f2be93235;hpb=a5fe50aca04ca554d313e7361c571c6a497a9c4e;p=user%2Fhenk%2Fcode%2Finspircd.git

diff --git a/src/users.cpp b/src/users.cpp
index fb7c46d6b..0dc9cea57 100644
--- a/src/users.cpp
+++ b/src/users.cpp
@@ -108,26 +108,6 @@ std::string User::ProcessNoticeMasks(const char *sm)
 	return output;
 }
 
-void LocalUser::StartDNSLookup()
-{
-	try
-	{
-		bool cached = false;
-		UserResolver *res_reverse;
-
-		QueryType resolvtype = this->client_sa.sa.sa_family == AF_INET6 ? DNS_QUERY_PTR6 : DNS_QUERY_PTR4;
-		res_reverse = new UserResolver(this, this->GetIPString(), resolvtype, cached);
-
-		ServerInstance->AddResolver(res_reverse, cached);
-	}
-	catch (CoreException& e)
-	{
-		ServerInstance->Logs->Log("USERS", LOG_DEBUG,"Error in resolver: %s",e.GetReason());
-		dns_done = true;
-		ServerInstance->stats->statsDnsBad++;
-	}
-}
-
 bool User::IsNoticeMaskSet(unsigned char sm)
 {
 	if (!isalpha(sm))
@@ -142,18 +122,16 @@ void User::SetNoticeMask(unsigned char sm, bool value)
 	snomasks[sm-65] = value;
 }
 
-const char* User::FormatNoticeMasks()
+std::string User::FormatNoticeMasks()
 {
-	static char data[MAXBUF];
-	int offset = 0;
+	std::string data;
 
-	for (int n = 0; n < 64; n++)
+	for (unsigned char n = 0; n < 64; n++)
 	{
 		if (snomasks[n])
-			data[offset++] = n+65;
+			data.push_back(n + 65); 
 	}
 
-	data[offset] = 0;
 	return data;
 }
 
@@ -173,15 +151,15 @@ void User::SetMode(unsigned char m, bool value)
 
 const char* User::FormatModes(bool showparameters)
 {
-	static char data[MAXBUF];
+	static std::string data;
 	std::string params;
-	int offset = 0;
+	data.clear();
 
 	for (unsigned char n = 0; n < 64; n++)
 	{
 		if (modes[n])
 		{
-			data[offset++] = n + 65;
+			data.push_back(n + 65);
 			ModeHandler* mh = ServerInstance->Modes->FindMode(n + 65, MODETYPE_USER);
 			if (showparameters && mh && mh->GetNumParams(true))
 			{
@@ -191,9 +169,8 @@ const char* User::FormatModes(bool showparameters)
 			}
 		}
 	}
-	data[offset] = 0;
-	strlcat(data, params.c_str(), MAXBUF);
-	return data;
+	data += params;
+	return data.c_str();
 }
 
 User::User(const std::string &uid, const std::string& sid, int type)
@@ -215,12 +192,12 @@ User::User(const std::string &uid, const std::string& sid, int type)
 }
 
 LocalUser::LocalUser(int myfd, irc::sockets::sockaddrs* client, irc::sockets::sockaddrs* servaddr)
-	: User(ServerInstance->GetUID(), ServerInstance->Config->ServerName, USERTYPE_LOCAL), eh(this),
+	: User(ServerInstance->UIDGen.GetUID(), ServerInstance->Config->ServerName, USERTYPE_LOCAL), eh(this),
 	localuseriter(ServerInstance->Users->local_users.end()),
 	bytes_in(0), bytes_out(0), cmds_in(0), cmds_out(0), nping(0), CommandFloodPenalty(0),
 	already_sent(0)
 {
-	exempt = quitting_sendq = dns_done = false;
+	exempt = quitting_sendq = false;
 	idle_lastmsg = 0;
 	ident = "unknown";
 	lastping = 0;
@@ -241,18 +218,8 @@ const std::string& User::MakeHost()
 	if (!this->cached_makehost.empty())
 		return this->cached_makehost;
 
-	char nhost[MAXBUF];
-	/* This is much faster than snprintf */
-	char* t = nhost;
-	for(const char* n = ident.c_str(); *n; n++)
-		*t++ = *n;
-	*t++ = '@';
-	for(const char* n = host.c_str(); *n; n++)
-		*t++ = *n;
-	*t = 0;
-
-	this->cached_makehost.assign(nhost);
-
+	// XXX: Is there really a need to cache this?
+	this->cached_makehost = ident + "@" + host;
 	return this->cached_makehost;
 }
 
@@ -261,18 +228,8 @@ const std::string& User::MakeHostIP()
 	if (!this->cached_hostip.empty())
 		return this->cached_hostip;
 
-	char ihost[MAXBUF];
-	/* This is much faster than snprintf */
-	char* t = ihost;
-	for(const char* n = ident.c_str(); *n; n++)
-		*t++ = *n;
-	*t++ = '@';
-	for(const char* n = this->GetIPString().c_str(); *n; n++)
-		*t++ = *n;
-	*t = 0;
-
-	this->cached_hostip = ihost;
-
+	// XXX: Is there really a need to cache this?
+	this->cached_hostip = ident + "@" + this->GetIPString();
 	return this->cached_hostip;
 }
 
@@ -281,91 +238,37 @@ const std::string& User::GetFullHost()
 	if (!this->cached_fullhost.empty())
 		return this->cached_fullhost;
 
-	char result[MAXBUF];
-	char* t = result;
-	for(const char* n = nick.c_str(); *n; n++)
-		*t++ = *n;
-	*t++ = '!';
-	for(const char* n = ident.c_str(); *n; n++)
-		*t++ = *n;
-	*t++ = '@';
-	for(const char* n = dhost.c_str(); *n; n++)
-		*t++ = *n;
-	*t = 0;
-
-	this->cached_fullhost = result;
-
+	// XXX: Is there really a need to cache this?
+	this->cached_fullhost = nick + "!" + ident + "@" + dhost;
 	return this->cached_fullhost;
 }
 
-char* User::MakeWildHost()
-{
-	static char nresult[MAXBUF];
-	char* t = nresult;
-	*t++ = '*';	*t++ = '!';
-	*t++ = '*';	*t++ = '@';
-	for(const char* n = dhost.c_str(); *n; n++)
-		*t++ = *n;
-	*t = 0;
-	return nresult;
-}
-
 const std::string& User::GetFullRealHost()
 {
 	if (!this->cached_fullrealhost.empty())
 		return this->cached_fullrealhost;
 
-	char fresult[MAXBUF];
-	char* t = fresult;
-	for(const char* n = nick.c_str(); *n; n++)
-		*t++ = *n;
-	*t++ = '!';
-	for(const char* n = ident.c_str(); *n; n++)
-		*t++ = *n;
-	*t++ = '@';
-	for(const char* n = host.c_str(); *n; n++)
-		*t++ = *n;
-	*t = 0;
-
-	this->cached_fullrealhost = fresult;
-
+	// XXX: Is there really a need to cache this?
+	this->cached_fullrealhost = nick + "!" + ident + "@" + host;
 	return this->cached_fullrealhost;
 }
 
-bool LocalUser::IsInvited(const irc::string &channel)
-{
-	Channel* chan = ServerInstance->FindChan(channel.c_str());
-	if (!chan)
-		return false;
-
-	return (Invitation::Find(chan, this) != NULL);
-}
-
 InviteList& LocalUser::GetInviteList()
 {
 	RemoveExpiredInvites();
 	return invites;
 }
 
-void LocalUser::InviteTo(const irc::string &channel, time_t invtimeout)
-{
-	Channel* chan = ServerInstance->FindChan(channel.c_str());
-	if (chan)
-		Invitation::Create(chan, this, invtimeout);
-}
-
-void LocalUser::RemoveInvite(const irc::string &channel)
+bool LocalUser::RemoveInvite(Channel* chan)
 {
-	Channel* chan = ServerInstance->FindChan(channel.c_str());
-	if (chan)
+	Invitation* inv = Invitation::Find(chan, this);
+	if (inv)
 	{
-		Invitation* inv = Invitation::Find(chan, this);
-		if (inv)
-		{
-			inv->cull();
-			delete inv;
-		}
+		inv->cull();
+		delete inv;
+		return true;
 	}
+	return false;
 }
 
 void LocalUser::RemoveExpiredInvites()
@@ -426,7 +329,7 @@ bool LocalUser::HasPrivPermission(const std::string &privstr, bool noisy)
 	if (!this->IsOper())
 	{
 		if (noisy)
-			this->WriteServ("NOTICE %s :You are not an oper", this->nick.c_str());
+			this->WriteNotice("You are not an oper");
 		return false;
 	}
 
@@ -440,7 +343,8 @@ bool LocalUser::HasPrivPermission(const std::string &privstr, bool noisy)
 	}
 
 	if (noisy)
-		this->WriteServ("NOTICE %s :Oper type %s does not have access to priv %s", this->nick.c_str(), oper->NameStr(), privstr.c_str());
+		this->WriteNotice("Oper type " + oper->name + " does not have access to priv " + privstr);
+
 	return false;
 }
 
@@ -454,6 +358,7 @@ void UserIOHandler::OnDataReady()
 		ServerInstance->Users->QuitUser(user, "RecvQ exceeded");
 		ServerInstance->SNO->WriteToSnoMask('a', "User %s RecvQ of %lu exceeds connect class maximum of %lu",
 			user->nick.c_str(), (unsigned long)recvq.length(), user->MyClass->GetRecvqMax());
+		return;
 	}
 	unsigned long sendqmax = ULONG_MAX;
 	if (!user->HasPrivPermission("users/flood/increased-buffers"))
@@ -465,7 +370,7 @@ void UserIOHandler::OnDataReady()
 	while (user->CommandFloodPenalty < penaltymax && getSendQSize() < sendqmax)
 	{
 		std::string line;
-		line.reserve(MAXBUF);
+		line.reserve(ServerInstance->Config->Limits.MaxLine);
 		std::string::size_type qpos = 0;
 		while (qpos < recvq.length())
 		{
@@ -480,7 +385,7 @@ void UserIOHandler::OnDataReady()
 			case '\n':
 				goto eol_found;
 			}
-			if (line.length() < MAXBUF - 2)
+			if (line.length() < ServerInstance->Config->Limits.MaxLine - 2)
 				line.push_back(c);
 		}
 		// if we got here, the recvq ran out before we found a newline
@@ -543,7 +448,12 @@ CullResult LocalUser::cull()
 	// overwritten in UserManager::AddUser() with the real iterator so this check
 	// is only a precaution currently.
 	if (localuseriter != ServerInstance->Users->local_users.end())
+	{
+		ServerInstance->Users->local_count--;
 		ServerInstance->Users->local_users.erase(localuseriter);
+	}
+	else
+		ServerInstance->Logs->Log("USERS", LOG_DEFAULT, "ERROR: LocalUserIter does not point to a valid entry for " + this->nick);
 
 	ClearInvites();
 	eh.cull();
@@ -585,10 +495,10 @@ void User::Oper(OperInfo* info)
 	}
 
 	ServerInstance->SNO->WriteToSnoMask('o',"%s (%s@%s) is now an IRC operator of type %s (using oper '%s')",
-		nick.c_str(), ident.c_str(), host.c_str(), oper->NameStr(), opername.c_str());
-	this->WriteNumeric(381, "%s :You are now %s %s", nick.c_str(), strchr("aeiouAEIOU", oper->name[0]) ? "an" : "a", oper->NameStr());
+		nick.c_str(), ident.c_str(), host.c_str(), oper->name.c_str(), opername.c_str());
+	this->WriteNumeric(381, "%s :You are now %s %s", nick.c_str(), strchr("aeiouAEIOU", oper->name[0]) ? "an" : "a", oper->name.c_str());
 
-	ServerInstance->Logs->Log("OPER", LOG_DEFAULT, "%s opered as type: %s", GetFullRealHost().c_str(), oper->NameStr());
+	ServerInstance->Logs->Log("OPER", LOG_DEFAULT, "%s opered as type: %s", GetFullRealHost().c_str(), oper->name.c_str());
 	ServerInstance->Users->all_opers.push_back(this);
 
 	// Expand permissions from config for faster lookup
@@ -690,7 +600,7 @@ void User::UnOper()
 /*
  * Check class restrictions
  */
-void LocalUser::CheckClass()
+void LocalUser::CheckClass(bool clone_count)
 {
 	ConnectClass* a = this->MyClass;
 
@@ -704,19 +614,22 @@ void LocalUser::CheckClass()
 		ServerInstance->Users->QuitUser(this, a->config->getString("reason", "Unauthorised connection"));
 		return;
 	}
-	else if ((a->GetMaxLocal()) && (ServerInstance->Users->LocalCloneCount(this) > a->GetMaxLocal()))
+	else if (clone_count)
 	{
-		ServerInstance->Users->QuitUser(this, "No more connections allowed from your host via this connect class (local)");
-		if (a->maxconnwarn)
-			ServerInstance->SNO->WriteToSnoMask('a', "WARNING: maximum LOCAL connections (%ld) exceeded for IP %s", a->GetMaxLocal(), this->GetIPString().c_str());
-		return;
-	}
-	else if ((a->GetMaxGlobal()) && (ServerInstance->Users->GlobalCloneCount(this) > a->GetMaxGlobal()))
-	{
-		ServerInstance->Users->QuitUser(this, "No more connections allowed from your host via this connect class (global)");
-		if (a->maxconnwarn)
-			ServerInstance->SNO->WriteToSnoMask('a', "WARNING: maximum GLOBAL connections (%ld) exceeded for IP %s", a->GetMaxGlobal(), this->GetIPString().c_str());
-		return;
+		if ((a->GetMaxLocal()) && (ServerInstance->Users->LocalCloneCount(this) > a->GetMaxLocal()))
+		{
+			ServerInstance->Users->QuitUser(this, "No more connections allowed from your host via this connect class (local)");
+			if (a->maxconnwarn)
+				ServerInstance->SNO->WriteToSnoMask('a', "WARNING: maximum LOCAL connections (%ld) exceeded for IP %s", a->GetMaxLocal(), this->GetIPString().c_str());
+			return;
+		}
+		else if ((a->GetMaxGlobal()) && (ServerInstance->Users->GlobalCloneCount(this) > a->GetMaxGlobal()))
+		{
+			ServerInstance->Users->QuitUser(this, "No more connections allowed from your host via this connect class (global)");
+			if (a->maxconnwarn)
+				ServerInstance->SNO->WriteToSnoMask('a', "WARNING: maximum GLOBAL connections (%ld) exceeded for IP %s", a->GetMaxGlobal(), this->GetIPString().c_str());
+			return;
+		}
 	}
 
 	this->nping = ServerInstance->Time() + a->GetPingTime() + ServerInstance->Config->dns_timeout;
@@ -766,10 +679,8 @@ void LocalUser::FullConnect()
 	this->WriteNumeric(RPL_YOURHOSTIS, "%s :Your host is %s, running version %s",this->nick.c_str(),ServerInstance->Config->ServerName.c_str(),BRANCH);
 	this->WriteNumeric(RPL_SERVERCREATED, "%s :This server was created %s %s", this->nick.c_str(), __TIME__, __DATE__);
 
-	std::string umlist = ServerInstance->Modes->UserModeList();
-	std::string cmlist = ServerInstance->Modes->ChannelModeList();
-	std::string pmlist = ServerInstance->Modes->ParaModeList();
-	this->WriteNumeric(RPL_SERVERVERSION, "%s %s %s %s %s %s", this->nick.c_str(), ServerInstance->Config->ServerName.c_str(), BRANCH, umlist.c_str(), cmlist.c_str(), pmlist.c_str());
+	const std::string& modelist = ServerInstance->Modes->GetModeListFor004Numeric();
+	this->WriteNumeric(RPL_SERVERVERSION, "%s %s %s %s", this->nick.c_str(), ServerInstance->Config->ServerName.c_str(), BRANCH, modelist.c_str());
 
 	ServerInstance->ISupport.SendTo(this);
 	this->WriteNumeric(RPL_YOURUUID, "%s %s :your unique ID", this->nick.c_str(), this->uuid.c_str());
@@ -824,19 +735,24 @@ void User::InvalidateCache()
 
 bool User::ChangeNick(const std::string& newnick, bool force)
 {
-	ModResult MOD_RESULT;
-
-	if (force)
-		ServerInstance->NICKForced.set(this, 1);
-	FIRST_MOD_RESULT(OnUserPreNick, MOD_RESULT, (this, newnick));
-	ServerInstance->NICKForced.set(this, 0);
-
-	if (MOD_RESULT == MOD_RES_DENY)
+	if (quitting)
 	{
-		ServerInstance->stats->statsCollisions++;
+		ServerInstance->Logs->Log("USERS", LOG_DEFAULT, "ERROR: Attempted to change nick of a quitting user: " + this->nick);
 		return false;
 	}
 
+	if (!force)
+	{
+		ModResult MOD_RESULT;
+		FIRST_MOD_RESULT(OnUserPreNick, MOD_RESULT, (this, newnick));
+
+		if (MOD_RESULT == MOD_RES_DENY)
+		{
+			ServerInstance->stats->statsCollisions++;
+			return false;
+		}
+	}
+
 	if (assign(newnick) == assign(nick))
 	{
 		// case change, don't need to check Q:lines and such
@@ -1024,10 +940,10 @@ void LocalUser::Write(const std::string& text)
 	if (!ServerInstance->SE->BoundsCheckFd(&eh))
 		return;
 
-	if (text.length() > MAXBUF - 2)
+	if (text.length() > ServerInstance->Config->Limits.MaxLine - 2)
 	{
 		// this should happen rarely or never. Crop the string at 512 and try again.
-		std::string try_again = text.substr(0, MAXBUF - 2);
+		std::string try_again = text.substr(0, ServerInstance->Config->Limits.MaxLine - 2);
 		Write(try_again);
 		return;
 	}
@@ -1046,14 +962,9 @@ void LocalUser::Write(const std::string& text)
  */
 void LocalUser::Write(const char *text, ...)
 {
-	va_list argsPtr;
-	char textbuffer[MAXBUF];
-
-	va_start(argsPtr, text);
-	vsnprintf(textbuffer, MAXBUF, text, argsPtr);
-	va_end(argsPtr);
-
-	this->Write(std::string(textbuffer));
+	std::string textbuffer;
+	VAFORMAT(textbuffer, text, text);
+	this->Write(textbuffer);
 }
 
 void User::WriteServ(const std::string& text)
@@ -1066,50 +977,41 @@ void User::WriteServ(const std::string& text)
  */
 void User::WriteServ(const char* text, ...)
 {
-	va_list argsPtr;
-	char textbuffer[MAXBUF];
-
-	va_start(argsPtr, text);
-	vsnprintf(textbuffer, MAXBUF, text, argsPtr);
-	va_end(argsPtr);
-
-	this->WriteServ(std::string(textbuffer));
+	std::string textbuffer;
+	VAFORMAT(textbuffer, text, text);
+	this->WriteServ(textbuffer);
 }
 
+void User::WriteNotice(const std::string& text)
+{
+	this->WriteServ("NOTICE " + (this->registered == REG_ALL ? this->nick : "*") + " :" + text);
+}
 
 void User::WriteNumeric(unsigned int numeric, const char* text, ...)
 {
-	va_list argsPtr;
-	char textbuffer[MAXBUF];
-
-	va_start(argsPtr, text);
-	vsnprintf(textbuffer, MAXBUF, text, argsPtr);
-	va_end(argsPtr);
-
-	this->WriteNumeric(numeric, std::string(textbuffer));
+	std::string textbuffer;
+	VAFORMAT(textbuffer, text, text);
+	this->WriteNumeric(numeric, textbuffer);
 }
 
 void User::WriteNumeric(unsigned int numeric, const std::string &text)
 {
-	char textbuffer[MAXBUF];
 	ModResult MOD_RESULT;
 
 	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.c_str(), numeric, text.c_str());
-	this->Write(std::string(textbuffer));
+	
+	const std::string message = InspIRCd::Format(":%s %03u %s", ServerInstance->Config->ServerName.c_str(),
+		numeric, text.c_str());
+	this->Write(message);
 }
 
 void User::WriteFrom(User *user, const std::string &text)
 {
-	char tb[MAXBUF];
-
-	snprintf(tb,MAXBUF,":%s %s",user->GetFullHost().c_str(),text.c_str());
-
-	this->Write(std::string(tb));
+	const std::string message = ":" + user->GetFullHost() + " " + text;
+	this->Write(message);
 }
 
 
@@ -1117,14 +1019,9 @@ void User::WriteFrom(User *user, const std::string &text)
 
 void User::WriteFrom(User *user, const char* text, ...)
 {
-	va_list argsPtr;
-	char textbuffer[MAXBUF];
-
-	va_start(argsPtr, text);
-	vsnprintf(textbuffer, MAXBUF, text, argsPtr);
-	va_end(argsPtr);
-
-	this->WriteFrom(user, std::string(textbuffer));
+	std::string textbuffer;
+	VAFORMAT(textbuffer, text, text);
+	this->WriteFrom(user, textbuffer);
 }
 
 
@@ -1132,14 +1029,9 @@ void User::WriteFrom(User *user, const char* text, ...)
 
 void User::WriteTo(User *dest, const char *data, ...)
 {
-	char textbuffer[MAXBUF];
-	va_list argsPtr;
-
-	va_start(argsPtr, data);
-	vsnprintf(textbuffer, MAXBUF, data, argsPtr);
-	va_end(argsPtr);
-
-	this->WriteTo(dest, std::string(textbuffer));
+	std::string textbuffer;
+	VAFORMAT(textbuffer, data, data);
+	this->WriteTo(dest, textbuffer);
 }
 
 void User::WriteTo(User *dest, const std::string &data)
@@ -1149,36 +1041,24 @@ void User::WriteTo(User *dest, const std::string &data)
 
 void User::WriteCommon(const char* text, ...)
 {
-	char textbuffer[MAXBUF];
-	va_list argsPtr;
-
 	if (this->registered != REG_ALL || quitting)
 		return;
 
-	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), true);
+	std::string textbuffer;
+	VAFORMAT(textbuffer, text, text);
+	textbuffer = ":" + this->GetFullHost() + " " + textbuffer;
+	this->WriteCommonRaw(textbuffer, true);
 }
 
 void User::WriteCommonExcept(const char* text, ...)
 {
-	char textbuffer[MAXBUF];
-	va_list argsPtr;
-
 	if (this->registered != REG_ALL || quitting)
 		return;
 
-	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);
+	std::string textbuffer;
+	VAFORMAT(textbuffer, text, text);
+	textbuffer = ":" + this->GetFullHost() + " " + textbuffer;
+	this->WriteCommonRaw(textbuffer, false);
 }
 
 void User::WriteCommonRaw(const std::string &line, bool include_self)
@@ -1223,18 +1103,13 @@ void User::WriteCommonRaw(const std::string &line, bool include_self)
 
 void User::WriteCommonQuit(const std::string &normal_text, const std::string &oper_text)
 {
-	char tb1[MAXBUF];
-	char tb2[MAXBUF];
-
 	if (this->registered != REG_ALL)
 		return;
 
 	already_sent_t uniq_id = ++LocalUser::already_sent_id;
 
-	snprintf(tb1,MAXBUF,":%s QUIT :%s",this->GetFullHost().c_str(),normal_text.c_str());
-	snprintf(tb2,MAXBUF,":%s QUIT :%s",this->GetFullHost().c_str(),oper_text.c_str());
-	std::string out1 = tb1;
-	std::string out2 = tb2;
+	const std::string normalMessage = ":" + this->GetFullHost() + " QUIT :" + normal_text;
+	const std::string operMessage = ":" + this->GetFullHost() + " QUIT :" + oper_text;
 
 	UserChanList include_c(chans);
 	std::map<User*,bool> exceptions;
@@ -1248,7 +1123,7 @@ void User::WriteCommonQuit(const std::string &normal_text, const std::string &op
 		{
 			u->already_sent = uniq_id;
 			if (i->second)
-				u->Write(u->IsOper() ? out2 : out1);
+				u->Write(u->IsOper() ? operMessage : normalMessage);
 		}
 	}
 	for (UCListIter v = include_c.begin(); v != include_c.end(); ++v)
@@ -1260,7 +1135,7 @@ void User::WriteCommonQuit(const std::string &normal_text, const std::string &op
 			if (u && !u->quitting && (u->already_sent != uniq_id))
 			{
 				u->already_sent = uniq_id;
-				u->Write(u->IsOper() ? out2 : out1);
+				u->Write(u->IsOper() ? operMessage : normalMessage);
 			}
 		}
 	}
@@ -1282,38 +1157,26 @@ void FakeUser::SendText(const std::string& line)
 
 void User::SendText(const char *text, ...)
 {
-	va_list argsPtr;
-	char line[MAXBUF];
-
-	va_start(argsPtr, text);
-	vsnprintf(line, MAXBUF, text, argsPtr);
-	va_end(argsPtr);
-
-	SendText(std::string(line));
+	std::string line;
+	VAFORMAT(line, text, text);
+	SendText(line);
 }
 
-void User::SendText(const std::string &LinePrefix, std::stringstream &TextStream)
+void User::SendText(const std::string& linePrefix, std::stringstream& textStream)
 {
-	char line[MAXBUF];
-	int start_pos = LinePrefix.length();
-	int pos = start_pos;
-	memcpy(line, LinePrefix.data(), pos);
-	std::string Word;
-	while (TextStream >> Word)
+	std::string line;
+	std::string word;
+	while (textStream >> word)
 	{
-		int len = Word.length();
-		if (pos + len + 12 > MAXBUF)
+		size_t lineLength = linePrefix.length() + line.length() + word.length() + 3; // "\s\n\r"
+		if (lineLength > ServerInstance->Config->Limits.MaxLine)
 		{
-			line[pos] = '\0';
-			SendText(std::string(line));
-			pos = start_pos;
+			SendText(linePrefix + line);
+			line.clear();
 		}
-		line[pos] = ' ';
-		memcpy(line + pos + 1, Word.data(), len);
-		pos += len + 1;
+		line += " " + word;
 	}
-	line[pos] = '\0';
-	SendText(std::string(line));
+	SendText(linePrefix + line);
 }
 
 /* return 0 or 1 depending if users u and u2 share one or more common channels
@@ -1365,8 +1228,6 @@ bool User::ChangeName(const char* gecos)
 
 void User::DoHostCycle(const std::string &quitline)
 {
-	char buffer[MAXBUF];
-
 	if (!ServerInstance->Config->CycleHosts)
 		return;
 
@@ -1397,18 +1258,17 @@ void User::DoHostCycle(const std::string &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);
 		Membership* memb = c->GetUser(this);
-		std::string modeline = memb->modes;
-		if (modeline.length() > 0)
+		const std::string joinline = ":" + GetFullHost() + " JOIN " + c->name;
+		std::string modeline;
+
+		if (!memb->modes.empty())
 		{
-			for(unsigned int i=0; i < memb->modes.length(); i++)
+			modeline = ":" + (ServerInstance->Config->CycleHostsFromUser ? GetFullHost() : ServerInstance->Config->ServerName)
+				+ " MODE " + c->name + " +" + memb->modes;
+
+			for (size_t i = 0; i < memb->modes.length(); i++)
 				modeline.append(" ").append(nick);
-			snprintf(buffer, MAXBUF, ":%s MODE %s +%s",
-				ServerInstance->Config->CycleHostsFromUser ? GetFullHost().c_str() : ServerInstance->Config->ServerName.c_str(),
-				c->name.c_str(), modeline.c_str());
-			modeline = buffer;
 		}
 
 		const UserMembList *ulist = c->GetUsers();
@@ -1426,7 +1286,7 @@ void User::DoHostCycle(const std::string &quitline)
 				u->already_sent = seen_id;
 			}
 			u->Write(joinline);
-			if (modeline.length() > 0)
+			if (!memb->modes.empty())
 				u->Write(modeline);
 		}
 	}
@@ -1482,21 +1342,14 @@ bool User::ChangeIdent(const char* newident)
 
 void User::SendAll(const char* command, const char* text, ...)
 {
-	char textbuffer[MAXBUF];
-	char formatbuffer[MAXBUF];
-	va_list argsPtr;
-
-	va_start(argsPtr, text);
-	vsnprintf(textbuffer, MAXBUF, text, argsPtr);
-	va_end(argsPtr);
-
-	snprintf(formatbuffer,MAXBUF,":%s %s $* :%s", this->GetFullHost().c_str(), command, textbuffer);
-	std::string fmt = formatbuffer;
+	std::string textbuffer;
+	VAFORMAT(textbuffer, text, text);
+	const std::string message = ":" + this->GetFullHost() + " " + command + " $* :" + textbuffer;
 
 	for (LocalUserList::const_iterator i = ServerInstance->Users->local_users.begin(); i != ServerInstance->Users->local_users.end(); i++)
 	{
 		if ((*i)->registered == REG_ALL)
-			(*i)->Write(fmt);
+			(*i)->Write(message);
 	}
 }
 
@@ -1648,7 +1501,8 @@ const std::string& FakeUser::GetFullRealHost()
 ConnectClass::ConnectClass(ConfigTag* tag, char t, const std::string& mask)
 	: config(tag), type(t), fakelag(true), name("unnamed"), registration_timeout(0), host(mask),
 	pingtime(0), softsendqmax(0), hardsendqmax(0), recvqmax(0),
-	penaltythreshold(0), commandrate(0), maxlocal(0), maxglobal(0), maxconnwarn(true), maxchans(0), limit(0)
+	penaltythreshold(0), commandrate(0), maxlocal(0), maxglobal(0), maxconnwarn(true), maxchans(0),
+	limit(0), nouserdns(false)
 {
 }
 
@@ -1658,7 +1512,7 @@ ConnectClass::ConnectClass(ConfigTag* tag, char t, const std::string& mask, cons
 	softsendqmax(parent.softsendqmax), hardsendqmax(parent.hardsendqmax), recvqmax(parent.recvqmax),
 	penaltythreshold(parent.penaltythreshold), commandrate(parent.commandrate),
 	maxlocal(parent.maxlocal), maxglobal(parent.maxglobal), maxconnwarn(parent.maxconnwarn), maxchans(parent.maxchans),
-	limit(parent.limit)
+	limit(parent.limit), nouserdns(parent.nouserdns)
 {
 }
 
@@ -1681,4 +1535,5 @@ void ConnectClass::Update(const ConnectClass* src)
 	maxconnwarn = src->maxconnwarn;
 	maxchans = src->maxchans;
 	limit = src->limit;
+	nouserdns = src->nouserdns;
 }