X-Git-Url: https://git.netwichtig.de/gitweb/?a=blobdiff_plain;f=src%2Fusermanager.cpp;h=3e5fee3fcba4729088515b1642a4ec41a447be1f;hb=df9bd50866a1ee95db78b88090aae74e245ad469;hp=e7d1fd05c2bb888eed24d908e7ab92f80660236a;hpb=4c12eafe612932f4b3f6806fc1bea79942998941;p=user%2Fhenk%2Fcode%2Finspircd.git

diff --git a/src/usermanager.cpp b/src/usermanager.cpp
index e7d1fd05c..3e5fee3fc 100644
--- a/src/usermanager.cpp
+++ b/src/usermanager.cpp
@@ -22,25 +22,43 @@
 
 #include "inspircd.h"
 #include "xline.h"
-#include "bancache.h"
 #include "iohook.h"
 
+namespace
+{
+	class WriteCommonQuit : public User::ForEachNeighborHandler
+	{
+		std::string line;
+		std::string operline;
+
+		void Execute(LocalUser* user) CXX11_OVERRIDE
+		{
+			user->Write(user->IsOper() ? operline : line);
+		}
+
+	 public:
+		WriteCommonQuit(User* user, const std::string& msg, const std::string& opermsg)
+			: line(":" + user->GetFullHost() + " QUIT :")
+			, operline(line)
+		{
+			line += msg;
+			operline += opermsg;
+			user->ForEachNeighbor(*this, false);
+		}
+	};
+}
+
 UserManager::UserManager()
-	: clientlist(new user_hash)
-	, uuidlist(new user_hash)
-	, unregistered_count(0), local_count(0)
+	: unregistered_count(0)
 {
 }
 
 UserManager::~UserManager()
 {
-	for (user_hash::iterator i = clientlist->begin(); i != clientlist->end(); ++i)
+	for (user_hash::iterator i = clientlist.begin(); i != clientlist.end(); ++i)
 	{
 		delete i->second;
 	}
-
-	delete clientlist;
-	delete uuidlist;
 }
 
 /* add a client connection to the sockets list */
@@ -62,20 +80,9 @@ void UserManager::AddUser(int socket, ListenSocket* via, irc::sockets::sockaddrs
 	}
 	UserIOHandler* eh = &New->eh;
 
-	/* Give each of the modules an attempt to hook the user for I/O */
-	FOREACH_MOD(I_OnHookIO, OnHookIO(eh, via));
-
-	if (eh->GetIOHook())
-	{
-		try
-		{
-			eh->GetIOHook()->OnStreamSocketAccept(eh, client, server);
-		}
-		catch (CoreException& modexcept)
-		{
-			ServerInstance->Logs->Log("SOCKET", LOG_DEBUG, "%s threw an exception: %s", modexcept.GetSource(), modexcept.GetReason());
-		}
-	}
+	// If this listener has an IO hook provider set then tell it about the connection
+	if (via->iohookprov)
+		via->iohookprov->OnAccept(eh, client, server);
 
 	ServerInstance->Logs->Log("USERS", LOG_DEBUG, "New user fd: %d", socket);
 
@@ -83,19 +90,17 @@ void UserManager::AddUser(int socket, ListenSocket* via, irc::sockets::sockaddrs
 
 	/* The users default nick is their UUID */
 	New->nick = New->uuid;
-	(*(this->clientlist))[New->nick] = New;
+	this->clientlist[New->nick] = New;
 
 	New->registered = REG_NONE;
-	New->signon = ServerInstance->Time() + ServerInstance->Config->dns_timeout;
+	New->signon = ServerInstance->Time();
 	New->lastping = 1;
 
-	ServerInstance->Users->AddLocalClone(New);
-	ServerInstance->Users->AddGlobalClone(New);
+	this->AddClone(New);
 
-	New->localuseriter = this->local_users.insert(local_users.end(), New);
-	local_count++;
+	this->local_users.push_front(New);
 
-	if ((this->local_users.size() > ServerInstance->Config->SoftLimit) || (this->local_users.size() >= (unsigned int)ServerInstance->SE->GetMaxFds()))
+	if (this->local_users.size() > ServerInstance->Config->SoftLimit)
 	{
 		ServerInstance->SNO->WriteToSnoMask('a', "Warning: softlimit value has been reached: %d clients", ServerInstance->Config->SoftLimit);
 		this->QuitUser(New,"No more connections allowed");
@@ -123,14 +128,15 @@ void UserManager::AddUser(int socket, ListenSocket* via, irc::sockets::sockaddrs
 	 */
 	New->exempt = (ServerInstance->XLines->MatchesLine("E",New) != NULL);
 
-	if (BanCacheHit *b = ServerInstance->BanCache->GetHit(New->GetIPString()))
+	BanCacheHit* const b = ServerInstance->BanCache.GetHit(New->GetIPString());
+	if (b)
 	{
 		if (!b->Type.empty() && !New->exempt)
 		{
 			/* user banned */
 			ServerInstance->Logs->Log("BANCACHE", LOG_DEBUG, "BanCache: Positive hit for " + New->GetIPString());
-			if (!ServerInstance->Config->MoronBanner.empty())
-				New->WriteNotice("*** " +  ServerInstance->Config->MoronBanner);
+			if (!ServerInstance->Config->XLineMessage.empty())
+				New->WriteNumeric(ERR_YOUREBANNEDCREEP, ":" + ServerInstance->Config->XLineMessage);
 			this->QuitUser(New, b->Reason);
 			return;
 		}
@@ -153,7 +159,7 @@ void UserManager::AddUser(int socket, ListenSocket* via, irc::sockets::sockaddrs
 		}
 	}
 
-	if (!ServerInstance->SE->AddFd(eh, FD_WANT_FAST_READ | FD_WANT_EDGE_WRITE))
+	if (!SocketEngine::AddFd(eh, FD_WANT_FAST_READ | FD_WANT_EDGE_WRITE))
 	{
 		ServerInstance->Logs->Log("USERS", LOG_DEBUG, "Internal error on new connection");
 		this->QuitUser(New, "Internal error handling connection");
@@ -162,14 +168,14 @@ void UserManager::AddUser(int socket, ListenSocket* via, irc::sockets::sockaddrs
 	if (ServerInstance->Config->RawLog)
 		New->WriteNotice("*** Raw I/O logging is enabled on this server. All messages, passwords, and commands are being recorded.");
 
-	FOREACH_MOD(I_OnSetUserIP,OnSetUserIP(New));
+	FOREACH_MOD(OnSetUserIP, (New));
 	if (New->quitting)
 		return;
 
-	FOREACH_MOD(I_OnUserInit,OnUserInit(New));
+	FOREACH_MOD(OnUserInit, (New));
 }
 
-void UserManager::QuitUser(User *user, const std::string &quitreason, const char* operreason)
+void UserManager::QuitUser(User* user, const std::string& quitreason, const std::string* operreason)
 {
 	if (user->quitting)
 	{
@@ -186,121 +192,87 @@ void UserManager::QuitUser(User *user, const std::string &quitreason, const char
 	user->quitting = true;
 
 	ServerInstance->Logs->Log("USERS", LOG_DEBUG, "QuitUser: %s=%s '%s'", user->uuid.c_str(), user->nick.c_str(), quitreason.c_str());
-	user->Write("ERROR :Closing link: (%s@%s) [%s]", user->ident.c_str(), user->host.c_str(), *operreason ? operreason : quitreason.c_str());
+	user->Write("ERROR :Closing link: (%s@%s) [%s]", user->ident.c_str(), user->host.c_str(), operreason ? operreason->c_str() : quitreason.c_str());
 
 	std::string reason;
-	std::string oper_reason;
 	reason.assign(quitreason, 0, ServerInstance->Config->Limits.MaxQuit);
-	if (operreason && *operreason)
-		oper_reason.assign(operreason, 0, ServerInstance->Config->Limits.MaxQuit);
-	else
-		oper_reason = quitreason;
+	if (!operreason)
+		operreason = &reason;
 
 	ServerInstance->GlobalCulls.AddItem(user);
 
 	if (user->registered == REG_ALL)
 	{
-		FOREACH_MOD(I_OnUserQuit,OnUserQuit(user, reason, oper_reason));
-		user->WriteCommonQuit(reason, oper_reason);
+		FOREACH_MOD(OnUserQuit, (user, reason, *operreason));
+		WriteCommonQuit(user, reason, *operreason);
 	}
-
-	if (user->registered != REG_ALL)
-		if (ServerInstance->Users->unregistered_count)
-			ServerInstance->Users->unregistered_count--;
+	else
+		unregistered_count--;
 
 	if (IS_LOCAL(user))
 	{
 		LocalUser* lu = IS_LOCAL(user);
-		FOREACH_MOD(I_OnUserDisconnect,OnUserDisconnect(lu));
+		FOREACH_MOD(OnUserDisconnect, (lu));
 		lu->eh.Close();
-	}
 
-	/*
-	 * this must come before the ServerInstance->SNO->WriteToSnoMaskso that it doesnt try to fill their buffer with anything
-	 * if they were an oper with +s +qQ.
-	 */
-	if (user->registered == REG_ALL)
-	{
-		if (IS_LOCAL(user))
-		{
-			if (!user->quietquit)
-			{
-				ServerInstance->SNO->WriteToSnoMask('q',"Client exiting: %s (%s) [%s]",
-					user->GetFullRealHost().c_str(), user->GetIPString().c_str(), oper_reason.c_str());
-			}
-		}
-		else
-		{
-			if ((!ServerInstance->SilentULine(user->server)) && (!user->quietquit))
-			{
-				ServerInstance->SNO->WriteToSnoMask('Q',"Client exiting on server %s: %s (%s) [%s]",
-					user->server.c_str(), user->GetFullRealHost().c_str(), user->GetIPString().c_str(), oper_reason.c_str());
-			}
-		}
+		if (lu->registered == REG_ALL)
+			ServerInstance->SNO->WriteToSnoMask('q',"Client exiting: %s (%s) [%s]", user->GetFullRealHost().c_str(), user->GetIPString().c_str(), operreason->c_str());
+		local_users.erase(lu);
 	}
 
-	user_hash::iterator iter = this->clientlist->find(user->nick);
-
-	if (iter != this->clientlist->end())
-		this->clientlist->erase(iter);
-	else
+	if (!clientlist.erase(user->nick))
 		ServerInstance->Logs->Log("USERS", LOG_DEFAULT, "ERROR: Nick not found in clientlist, cannot remove: " + user->nick);
 
-	ServerInstance->Users->uuidlist->erase(user->uuid);
+	uuidlist.erase(user->uuid);
+	user->PurgeEmptyChannels();
 }
 
-void UserManager::AddLocalClone(User *user)
+void UserManager::AddClone(User* user)
 {
-	local_clones[user->GetCIDRMask()]++;
-}
-
-void UserManager::AddGlobalClone(User *user)
-{
-	global_clones[user->GetCIDRMask()]++;
+	CloneCounts& counts = clonemap[user->GetCIDRMask()];
+	counts.global++;
+	if (IS_LOCAL(user))
+		counts.local++;
 }
 
 void UserManager::RemoveCloneCounts(User *user)
 {
-	if (IS_LOCAL(user))
+	CloneMap::iterator it = clonemap.find(user->GetCIDRMask());
+	if (it != clonemap.end())
 	{
-		clonemap::iterator x = local_clones.find(user->GetCIDRMask());
-		if (x != local_clones.end())
+		CloneCounts& counts = it->second;
+		counts.global--;
+		if (counts.global == 0)
 		{
-			x->second--;
-			if (!x->second)
-			{
-				local_clones.erase(x);
-			}
+			// No more users from this IP, remove entry from the map
+			clonemap.erase(it);
+			return;
 		}
-	}
 
-	clonemap::iterator y = global_clones.find(user->GetCIDRMask());
-	if (y != global_clones.end())
-	{
-		y->second--;
-		if (!y->second)
-		{
-			global_clones.erase(y);
-		}
+		if (IS_LOCAL(user))
+			counts.local--;
 	}
 }
 
-unsigned long UserManager::GlobalCloneCount(User *user)
+void UserManager::RehashCloneCounts()
 {
-	clonemap::iterator x = global_clones.find(user->GetCIDRMask());
-	if (x != global_clones.end())
-		return x->second;
-	else
-		return 0;
+	clonemap.clear();
+
+	const user_hash& hash = ServerInstance->Users.GetUsers();
+	for (user_hash::const_iterator i = hash.begin(); i != hash.end(); ++i)
+	{
+		User* u = i->second;
+		AddClone(u);
+	}
 }
 
-unsigned long UserManager::LocalCloneCount(User *user)
+const UserManager::CloneCounts& UserManager::GetCloneCounts(User* user) const
 {
-	clonemap::iterator x = local_clones.find(user->GetCIDRMask());
-	if (x != local_clones.end())
-		return x->second;
+	CloneMap::const_iterator it = clonemap.find(user->GetCIDRMask());
+	if (it != clonemap.end())
+		return it->second;
 	else
-		return 0;
+		return zeroclonecounts;
 }
 
 void UserManager::ServerNoticeAll(const char* text, ...)
@@ -309,31 +281,18 @@ void UserManager::ServerNoticeAll(const char* text, ...)
 	VAFORMAT(message, text, text);
 	message = "NOTICE $" + ServerInstance->Config->ServerName + " :" + message;
 
-	for (LocalUserList::const_iterator i = local_users.begin(); i != local_users.end(); i++)
+	for (LocalList::const_iterator i = local_users.begin(); i != local_users.end(); ++i)
 	{
 		User* t = *i;
 		t->WriteServ(message);
 	}
 }
 
-/* return how many users have a given mode e.g. 'a' */
-int UserManager::ModeCount(const char mode)
-{
-	int c = 0;
-	for(user_hash::iterator i = clientlist->begin(); i != clientlist->end(); ++i)
-	{
-		User* u = i->second;
-		if (u->modes[mode-65])
-			c++;
-	}
-	return c;
-}
-
 void UserManager::GarbageCollect()
 {
 	// Reset the already_sent IDs so we don't wrap it around and drop a message
 	LocalUser::already_sent_id = 0;
-	for (LocalUserList::const_iterator i = this->local_users.begin(); i != this->local_users.end(); i++)
+	for (LocalList::const_iterator i = local_users.begin(); i != local_users.end(); ++i)
 	{
 		(**i).already_sent = 0;
 		(**i).RemoveExpiredInvites();
@@ -350,3 +309,75 @@ bool UserManager::AllModulesReportReady(LocalUser* user)
 	FIRST_MOD_RESULT(OnCheckReady, res, (user));
 	return (res == MOD_RES_PASSTHRU);
 }
+
+/**
+ * This function is called once a second from the mainloop.
+ * It is intended to do background checking on all the user structs, e.g.
+ * stuff like ping checks, registration timeouts, etc.
+ */
+void UserManager::DoBackgroundUserStuff()
+{
+	/*
+	 * loop over all local users..
+	 */
+	for (LocalList::iterator i = local_users.begin(); i != local_users.end(); )
+	{
+		// It's possible that we quit the user below due to ping timeout etc. and QuitUser() removes it from the list
+		LocalUser* curr = *i;
+		++i;
+
+		if (curr->CommandFloodPenalty || curr->eh.getSendQSize())
+		{
+			unsigned int rate = curr->MyClass->GetCommandRate();
+			if (curr->CommandFloodPenalty > rate)
+				curr->CommandFloodPenalty -= rate;
+			else
+				curr->CommandFloodPenalty = 0;
+			curr->eh.OnDataReady();
+		}
+
+		switch (curr->registered)
+		{
+			case REG_ALL:
+				if (ServerInstance->Time() >= curr->nping)
+				{
+					// This user didn't answer the last ping, remove them
+					if (!curr->lastping)
+					{
+						time_t time = ServerInstance->Time() - (curr->nping - curr->MyClass->GetPingTime());
+						const std::string message = "Ping timeout: " + ConvToStr(time) + (time != 1 ? " seconds" : " second");
+						this->QuitUser(curr, message);
+						continue;
+					}
+
+					curr->Write("PING :" + ServerInstance->Config->ServerName);
+					curr->lastping = 0;
+					curr->nping = ServerInstance->Time() + curr->MyClass->GetPingTime();
+				}
+				break;
+			case REG_NICKUSER:
+				if (AllModulesReportReady(curr))
+				{
+					/* User has sent NICK/USER, modules are okay, DNS finished. */
+					curr->FullConnect();
+					continue;
+				}
+
+				// If the user has been quit in OnCheckReady then we shouldn't
+				// quit them again for having a registration timeout.
+				if (curr->quitting)
+					continue;
+				break;
+		}
+
+		if (curr->registered != REG_ALL && curr->MyClass && (ServerInstance->Time() > (curr->signon + curr->MyClass->GetRegTimeout())))
+		{
+			/*
+			 * registration timeout -- didnt send USER/NICK/HOST
+			 * in the time specified in their connection class.
+			 */
+			this->QuitUser(curr, "Registration timeout");
+			continue;
+		}
+	}
+}