X-Git-Url: https://git.netwichtig.de/gitweb/?a=blobdiff_plain;f=src%2Fusermanager.cpp;h=2eebb1ed029f2c5035055d520b4df43aa467091c;hb=26cd5393c9308fabe73c41870f06f73a5b001cd7;hp=3bf17cda273941a8d03398eb36a63a02033cfedc;hpb=f96eeeddab6b799efcebec80fdf64a58cab122f5;p=user%2Fhenk%2Fcode%2Finspircd.git

diff --git a/src/usermanager.cpp b/src/usermanager.cpp
index 3bf17cda2..2eebb1ed0 100644
--- a/src/usermanager.cpp
+++ b/src/usermanager.cpp
@@ -2,8 +2,8 @@
  *       | Inspire Internet Relay Chat Daemon |
  *       +------------------------------------+
  *
- *  InspIRCd: (C) 2002-2008 InspIRCd Development Team
- * See: http://www.inspircd.org/wiki/index.php/Credits
+ *  InspIRCd: (C) 2002-2009 InspIRCd Development Team
+ * See: http://wiki.inspircd.org/Credits
  *
  * This program is free but copyrighted software; see
  *	    the file COPYING for details.
@@ -11,7 +11,515 @@
  * ---------------------------------------------------
  */
 
-/* $Core: libIRCDusermanager */
+/* $Core */
 
 #include "inspircd.h"
+#include "xline.h"
+#include "bancache.h"
 
+/* add a client connection to the sockets list */
+void UserManager::AddUser(int socket, ClientListenSocket* via, irc::sockets::sockaddrs* client, irc::sockets::sockaddrs* server)
+{
+	/* NOTE: Calling this one parameter constructor for User automatically
+	 * allocates a new UUID and places it in the hash_map.
+	 */
+	User* New = NULL;
+	try
+	{
+		New = new User();
+	}
+	catch (...)
+	{
+		ServerInstance->Logs->Log("USERS", DEFAULT,"*** WTF *** Duplicated UUID! -- Crack smoking monkies have been unleashed.");
+		ServerInstance->SNO->WriteToSnoMask('a', "WARNING *** Duplicate UUID allocated!");
+		return;
+	}
+
+	New->SetFd(socket);
+	memcpy(&New->client_sa, client, sizeof(irc::sockets::sockaddrs));
+	memcpy(&New->server_sa, server, sizeof(irc::sockets::sockaddrs));
+
+	/* Give each of the modules an attempt to hook the user for I/O */
+	FOREACH_MOD(I_OnHookIO, OnHookIO(New, via));
+
+	if (New->GetIOHook())
+	{
+		try
+		{
+			New->GetIOHook()->OnStreamSocketAccept(New, client, server);
+		}
+		catch (CoreException& modexcept)
+		{
+			ServerInstance->Logs->Log("SOCKET", DEBUG,"%s threw an exception: %s", modexcept.GetSource(), modexcept.GetReason());
+		}
+	}
+
+	ServerInstance->Logs->Log("USERS", DEBUG,"New user fd: %d", socket);
+
+	this->unregistered_count++;
+
+	(*(this->clientlist))[New->uuid] = New;
+
+	/* The users default nick is their UUID */
+	New->nick.assign(New->uuid, 0, ServerInstance->Config->Limits.NickMax);
+
+	New->server = ServerInstance->Config->ServerName;
+	New->ident.assign("unknown");
+
+	New->registered = REG_NONE;
+	New->signon = ServerInstance->Time() + ServerInstance->Config->dns_timeout;
+	New->lastping = 1;
+
+	/* Smarter than your average bear^H^H^H^Hset of strlcpys. */
+	New->dhost.assign(New->GetIPString(), 0, 64);
+	New->host.assign(New->GetIPString(), 0, 64);
+
+	ServerInstance->Users->AddLocalClone(New);
+	ServerInstance->Users->AddGlobalClone(New);
+
+	/*
+	 * First class check. We do this again in FullConnect after DNS is done, and NICK/USER is recieved.
+	 * See my note down there for why this is required. DO NOT REMOVE. :) -- w00t
+	 */
+	ConnectClass* i = New->SetClass();
+
+	if (!i)
+	{
+		this->QuitUser(New, "Access denied by configuration");
+		return;
+	}
+
+	/*
+	 * Check connect class settings and initialise settings into User.
+	 * This will be done again after DNS resolution. -- w00t
+	 */
+	New->CheckClass();
+
+	this->local_users.push_back(New);
+
+	if ((this->local_users.size() > ServerInstance->Config->SoftLimit) || (this->local_users.size() >= (unsigned int)ServerInstance->SE->GetMaxFds()))
+	{
+		ServerInstance->SNO->WriteToSnoMask('a', "Warning: softlimit value has been reached: %d clients", ServerInstance->Config->SoftLimit);
+		this->QuitUser(New,"No more connections allowed");
+		return;
+	}
+
+	/*
+	 * even with bancache, we still have to keep User::exempt current.
+	 * besides that, if we get a positive bancache hit, we still won't fuck
+	 * them over if they are exempt. -- w00t
+	 */
+	New->exempt = (ServerInstance->XLines->MatchesLine("E",New) != NULL);
+
+	if (BanCacheHit *b = ServerInstance->BanCache->GetHit(New->GetIPString()))
+	{
+		if (!b->Type.empty() && !New->exempt)
+		{
+			/* user banned */
+			ServerInstance->Logs->Log("BANCACHE", DEBUG, std::string("BanCache: Positive hit for ") + New->GetIPString());
+			if (!ServerInstance->Config->MoronBanner.empty())
+				New->WriteServ("NOTICE %s :*** %s", New->nick.c_str(), ServerInstance->Config->MoronBanner.c_str());
+			this->QuitUser(New, b->Reason);
+			return;
+		}
+		else
+		{
+			ServerInstance->Logs->Log("BANCACHE", DEBUG, std::string("BanCache: Negative hit for ") + New->GetIPString());
+		}
+	}
+	else
+	{
+		if (!New->exempt)
+		{
+			XLine* r = ServerInstance->XLines->MatchesLine("Z",New);
+
+			if (r)
+			{
+				r->Apply(New);
+				return;
+			}
+		}
+	}
+
+	if (!ServerInstance->SE->AddFd(New, FD_WANT_FAST_READ | FD_WANT_EDGE_WRITE))
+	{
+		ServerInstance->Logs->Log("USERS", DEBUG,"Internal error on new connection");
+		this->QuitUser(New, "Internal error handling connection");
+	}
+
+	/* NOTE: even if dns lookups are *off*, we still need to display this.
+	 * BOPM and other stuff requires it.
+	 */
+	New->WriteServ("NOTICE Auth :*** Looking up your hostname...");
+
+	if (ServerInstance->Config->NoUserDns)
+	{
+		New->WriteServ("NOTICE %s :*** Skipping host resolution (disabled by server administrator)", New->nick.c_str());
+		New->dns_done = true;
+	}
+	else
+	{
+		New->StartDNSLookup();
+	}
+}
+
+void UserManager::QuitUser(User *user, const std::string &quitreason, const char* operreason)
+{
+	if (user->quitting)
+	{
+		ServerInstance->Logs->Log("CULLLIST",DEBUG, "*** Warning *** - You tried to quit a user (%s) twice. Did your module call QuitUser twice?", user->nick.c_str());
+		return;
+	}
+
+	if (IS_SERVER(user))
+	{
+		ServerInstance->Logs->Log("CULLLIST",DEBUG, "*** Warning *** - You tried to quit a fake user (%s)", user->nick.c_str());
+		return;
+	}
+
+	user->quitting = true;
+
+	ServerInstance->Logs->Log("USERS", 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());
+
+	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;
+
+	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(I_OnUserDisconnect,OnUserDisconnect(user));
+
+	if (user->registered != REG_ALL)
+		if (ServerInstance->Users->unregistered_count)
+			ServerInstance->Users->unregistered_count--;
+
+	if (IS_LOCAL(user))
+	{
+		user->DoWrite();
+		if (user->GetIOHook())
+		{
+			try
+			{
+				user->GetIOHook()->OnStreamSocketClose(user);
+			}
+			catch (CoreException& modexcept)
+			{
+				ServerInstance->Logs->Log("USERS",DEBUG, "%s threw an exception: %s", modexcept.GetSource(), modexcept.GetReason());
+			}
+		}
+
+		ServerInstance->SE->DelFd(user);
+		user->Close();
+		// user->Close() will set fd to -1; this breaks IS_LOCAL. Fix
+		user->SetFd(INT_MAX);
+	}
+
+	/*
+	 * this must come before the ServerInstance->SNO->WriteToSnoMaskso that it doesnt try to fill their buffer with anything
+	 * if they were an oper with +sn +qQ.
+	 */
+	if (user->registered == REG_ALL)
+	{
+		if (IS_LOCAL(user))
+		{
+			if (!user->quietquit)
+			{
+				ServerInstance->SNO->WriteToSnoMask('q',"Client exiting: %s!%s@%s [%s]",
+					user->nick.c_str(), user->ident.c_str(), user->host.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 [%s]",
+					user->server.c_str(), user->nick.c_str(), user->ident.c_str(), user->host.c_str(), oper_reason.c_str());
+			}
+		}
+		user->AddToWhoWas();
+	}
+
+	user_hash::iterator iter = this->clientlist->find(user->nick);
+
+	if (iter != this->clientlist->end())
+		this->clientlist->erase(iter);
+	else
+		ServerInstance->Logs->Log("USERS", DEBUG, "iter == clientlist->end, can't remove them from hash... problematic..");
+}
+
+
+void UserManager::AddLocalClone(User *user)
+{
+	int range = 32;
+	clonemap::iterator x;
+	switch (user->client_sa.sa.sa_family)
+	{
+		case AF_INET6:
+			range = ServerInstance->Config->c_ipv6_range;
+		break;
+		case AF_INET:
+			range = ServerInstance->Config->c_ipv4_range;
+		break;
+	}
+
+	x = local_clones.find(user->GetCIDRMask(range));
+	if (x != local_clones.end())
+		x->second++;
+	else
+		local_clones[user->GetCIDRMask(range)] = 1;
+}
+
+void UserManager::AddGlobalClone(User *user)
+{
+	int range = 32;
+	clonemap::iterator x;
+	switch (user->client_sa.sa.sa_family)
+	{
+		case AF_INET6:
+			range = ServerInstance->Config->c_ipv6_range;
+		break;
+		case AF_INET:
+			range = ServerInstance->Config->c_ipv4_range;
+		break;
+	}
+
+	x = global_clones.find(user->GetCIDRMask(range));
+	if (x != global_clones.end())
+		x->second++;
+	else
+		global_clones[user->GetCIDRMask(range)] = 1;
+}
+
+void UserManager::RemoveCloneCounts(User *user)
+{
+	int range = 32;
+	switch (user->client_sa.sa.sa_family)
+	{
+		case AF_INET6:
+			range = ServerInstance->Config->c_ipv6_range;
+		break;
+		case AF_INET:
+			range = ServerInstance->Config->c_ipv4_range;
+		break;
+	}
+
+	clonemap::iterator x = local_clones.find(user->GetCIDRMask(range));
+	if (x != local_clones.end())
+	{
+		x->second--;
+		if (!x->second)
+		{
+			local_clones.erase(x);
+		}
+	}
+
+	clonemap::iterator y = global_clones.find(user->GetCIDRMask(range));
+	if (y != global_clones.end())
+	{
+		y->second--;
+		if (!y->second)
+		{
+			global_clones.erase(y);
+		}
+	}
+}
+
+unsigned long UserManager::GlobalCloneCount(User *user)
+{
+	int range = 32;
+	switch (user->client_sa.sa.sa_family)
+	{
+		case AF_INET6:
+			range = ServerInstance->Config->c_ipv6_range;
+		break;
+		case AF_INET:
+			range = ServerInstance->Config->c_ipv4_range;
+		break;
+	}
+	clonemap::iterator x = global_clones.find(user->GetCIDRMask(range));
+	if (x != global_clones.end())
+		return x->second;
+	else
+		return 0;
+}
+
+unsigned long UserManager::LocalCloneCount(User *user)
+{
+	int range = 32;
+	switch (user->client_sa.sa.sa_family)
+	{
+		case AF_INET6:
+			range = ServerInstance->Config->c_ipv6_range;
+		break;
+		case AF_INET:
+			range = ServerInstance->Config->c_ipv4_range;
+		break;
+	}
+	clonemap::iterator x = local_clones.find(user->GetCIDRMask(range));
+	if (x != local_clones.end())
+		return x->second;
+	else
+		return 0;
+}
+
+/* this function counts all users connected, wether they are registered or NOT. */
+unsigned int UserManager::UserCount()
+{
+	/*
+	 * XXX: Todo:
+	 *  As part of this restructuring, move clientlist/etc fields into usermanager.
+	 * 	-- w00t
+	 */
+	return this->clientlist->size();
+}
+
+/* this counts only registered users, so that the percentages in /MAP don't mess up */
+unsigned int UserManager::RegisteredUserCount()
+{
+	return this->clientlist->size() - this->UnregisteredUserCount();
+}
+
+/* return how many users are opered */
+unsigned int UserManager::OperCount()
+{
+	return this->all_opers.size();
+}
+
+/* return how many users are unregistered */
+unsigned int UserManager::UnregisteredUserCount()
+{
+	return this->unregistered_count;
+}
+
+/* return how many local registered users there are */
+unsigned int UserManager::LocalUserCount()
+{
+	/* Doesnt count unregistered clients */
+	return (this->local_users.size() - this->UnregisteredUserCount());
+}
+
+void UserManager::ServerNoticeAll(const char* text, ...)
+{
+	if (!text)
+		return;
+
+	char textbuffer[MAXBUF];
+	char formatbuffer[MAXBUF];
+	va_list argsPtr;
+	va_start (argsPtr, text);
+	vsnprintf(textbuffer, MAXBUF, text, argsPtr);
+	va_end(argsPtr);
+
+	snprintf(formatbuffer,MAXBUF,"NOTICE $%s :%s", ServerInstance->Config->ServerName.c_str(), textbuffer);
+
+	for (std::vector<User*>::const_iterator i = local_users.begin(); i != local_users.end(); i++)
+	{
+		User* t = *i;
+		t->WriteServ(std::string(formatbuffer));
+	}
+}
+
+void UserManager::ServerPrivmsgAll(const char* text, ...)
+{
+	if (!text)
+		return;
+
+	char textbuffer[MAXBUF];
+	char formatbuffer[MAXBUF];
+	va_list argsPtr;
+	va_start (argsPtr, text);
+	vsnprintf(textbuffer, MAXBUF, text, argsPtr);
+	va_end(argsPtr);
+
+	snprintf(formatbuffer,MAXBUF,"PRIVMSG $%s :%s", ServerInstance->Config->ServerName.c_str(), textbuffer);
+
+	for (std::vector<User*>::const_iterator i = local_users.begin(); i != local_users.end(); i++)
+	{
+		User* t = *i;
+		t->WriteServ(std::string(formatbuffer));
+	}
+}
+
+void UserManager::WriteMode(const char* modes, int flags, const char* text, ...)
+{
+	char textbuffer[MAXBUF];
+	int modelen;
+	va_list argsPtr;
+
+	if (!text || !modes || !flags)
+	{
+		ServerInstance->Logs->Log("USERS", DEFAULT,"*** BUG *** WriteMode was given an invalid parameter");
+		return;
+	}
+
+	va_start(argsPtr, text);
+	vsnprintf(textbuffer, MAXBUF, text, argsPtr);
+	va_end(argsPtr);
+	modelen = strlen(modes);
+
+	if (flags == WM_AND)
+	{
+		for (std::vector<User*>::const_iterator i = local_users.begin(); i != local_users.end(); i++)
+		{
+			User* t = *i;
+			bool send_to_user = true;
+
+			for (int n = 0; n < modelen; n++)
+			{
+				if (!t->IsModeSet(modes[n]))
+				{
+					send_to_user = false;
+					break;
+				}
+			}
+			if (send_to_user)
+			{
+				t->WriteServ("NOTICE %s :%s", t->nick.c_str(), textbuffer);
+			}
+		}
+	}
+	else if (flags == WM_OR)
+	{
+		for (std::vector<User*>::const_iterator i = local_users.begin(); i != local_users.end(); i++)
+		{
+			User* t = *i;
+			bool send_to_user = false;
+
+			for (int n = 0; n < modelen; n++)
+			{
+				if (t->IsModeSet(modes[n]))
+				{
+					send_to_user = true;
+					break;
+				}
+			}
+
+			if (send_to_user)
+			{
+				t->WriteServ("NOTICE %s :%s", t->nick.c_str(), textbuffer);
+			}
+		}
+	}
+}
+
+/* return how many users have a given mode e.g. 'a' */
+int UserManager::ModeCount(const char mode)
+{
+	ModeHandler* mh = ServerInstance->Modes->FindMode(mode, MODETYPE_USER);
+
+	if (mh)
+		return mh->GetCount();
+	else
+		return 0;
+}