X-Git-Url: https://git.netwichtig.de/gitweb/?a=blobdiff_plain;f=src%2Fusermanager.cpp;h=a171c32d203aec7ae4cafc8712aea2b95941bc4d;hb=7e4b66804044616a85d5049cbfdb88efa012cc51;hp=3bf17cda273941a8d03398eb36a63a02033cfedc;hpb=f96eeeddab6b799efcebec80fdf64a58cab122f5;p=user%2Fhenk%2Fcode%2Finspircd.git

diff --git a/src/usermanager.cpp b/src/usermanager.cpp
index 3bf17cda2..a171c32d2 100644
--- a/src/usermanager.cpp
+++ b/src/usermanager.cpp
@@ -14,4 +14,403 @@
 /* $Core: libIRCDusermanager */
 
 #include "inspircd.h"
+#include "xline.h"
+#include "bancache.h"
+
+/* add a client connection to the sockets list */
+void UserManager::AddUser(InspIRCd* Instance, int socket, int port, bool iscached, int socketfamily, sockaddr* ip, const std::string &targetip)
+{
+	/* 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(Instance);
+	}
+	catch (...)
+	{
+		Instance->Logs->Log("USERS", DEFAULT,"*** WTF *** Duplicated UUID! -- Crack smoking monkies have been unleashed.");
+		Instance->SNO->WriteToSnoMask('A', "WARNING *** Duplicate UUID allocated!");
+		return;
+	}
+
+	char ipaddr[MAXBUF];
+#ifdef IPV6
+	if (socketfamily == AF_INET6)
+		inet_ntop(AF_INET6, &((const sockaddr_in6*)ip)->sin6_addr, ipaddr, sizeof(ipaddr));
+	else
+#endif
+		inet_ntop(AF_INET, &((const sockaddr_in*)ip)->sin_addr, ipaddr, sizeof(ipaddr));
+
+	New->SetFd(socket);
+	New->SetSockAddr(socketfamily, ipaddr, port);
+
+	/* Give each of the modules an attempt to hook the user for I/O */
+	FOREACH_MOD_I(Instance, I_OnHookUserIO, OnHookUserIO(New, targetip));
+
+	if (New->io)
+	{
+		try
+		{
+			New->io->OnRawSocketAccept(socket, ipaddr, port);
+		}
+		catch (CoreException& modexcept)
+		{
+			ServerInstance->Logs->Log("SOCKET", DEBUG,"%s threw an exception: %s", modexcept.GetSource(), modexcept.GetReason());
+		}
+	}
+
+	Instance->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, NICKMAX - 1);
+
+	New->server = Instance->FindServerNamePtr(Instance->Config->ServerName);
+	New->ident.assign("unknown");
+
+	New->registered = REG_NONE;
+	New->signon = Instance->Time() + Instance->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);
+
+	Instance->Users->AddLocalClone(New);
+	Instance->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() > Instance->Config->SoftLimit) || (this->local_users.size() >= (unsigned int)Instance->SE->GetMaxFds()))
+	{
+		Instance->SNO->WriteToSnoMask('A', "Warning: softlimit value has been reached: %d clients", Instance->Config->SoftLimit);
+		this->QuitUser(New,"No more connections allowed");
+		return;
+	}
+
+	/*
+	 * XXX -
+	 * this is done as a safety check to keep the file descriptors within range of fd_ref_table.
+	 * its a pretty big but for the moment valid assumption:
+	 * file descriptors are handed out starting at 0, and are recycled as theyre freed.
+	 * therefore if there is ever an fd over 65535, 65536 clients must be connected to the
+	 * irc server at once (or the irc server otherwise initiating this many connections, files etc)
+	 * which for the time being is a physical impossibility (even the largest networks dont have more
+	 * than about 10,000 users on ONE server!)
+	 */
+	if (socket >= Instance->SE->GetMaxFds())
+	{
+		this->QuitUser(New, "Server is full");
+		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 = (Instance->XLines->MatchesLine("E",New) != NULL);
+
+	if (BanCacheHit *b = Instance->BanCache->GetHit(New->GetIPString()))
+	{
+		if (!b->Type.empty() && !New->exempt)
+		{
+			/* user banned */
+			Instance->Logs->Log("BANCACHE", DEBUG, std::string("BanCache: Positive hit for ") + New->GetIPString());
+			if (*Instance->Config->MoronBanner)
+				New->WriteServ("NOTICE %s :*** %s", New->nick.c_str(), Instance->Config->MoronBanner);
+			this->QuitUser(New, b->Reason);
+			return;
+		}
+		else
+		{
+			Instance->Logs->Log("BANCACHE", DEBUG, std::string("BanCache: Negative hit for ") + New->GetIPString());
+		}
+	}
+	else
+	{
+		if (!New->exempt)
+		{
+			XLine* r = Instance->XLines->MatchesLine("Z",New);
+
+			if (r)
+			{
+				r->Apply(New);
+				return;
+			}
+		}
+	}
+
+	if (!Instance->SE->AddFd(New))
+	{
+		Instance->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 (Instance->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)
+{
+	ServerInstance->Logs->Log("USERS", DEBUG,"QuitUser: %s '%s'", 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->quietquit = false;
+	user->quitmsg = quitreason;
+
+	if (!*operreason)
+		user->operquitmsg = quitreason;
+	else
+		user->operquitmsg = operreason;
+
+	ServerInstance->GlobalCulls.AddItem(user);
+}
+
+
+void UserManager::AddLocalClone(User *user)
+{
+	clonemap::iterator x = local_clones.find(user->GetIPString());
+	if (x != local_clones.end())
+		x->second++;
+	else
+		local_clones[user->GetIPString()] = 1;
+}
+
+void UserManager::AddGlobalClone(User *user)
+{
+	clonemap::iterator y = global_clones.find(user->GetIPString());
+	if (y != global_clones.end())
+		y->second++;
+	else
+		global_clones[user->GetIPString()] = 1;
+}
+
+void UserManager::RemoveCloneCounts(User *user)
+{
+	clonemap::iterator x = local_clones.find(user->GetIPString());
+	if (x != local_clones.end())
+	{
+		x->second--;
+		if (!x->second)
+		{
+			local_clones.erase(x);
+		}
+	}
+	
+	clonemap::iterator y = global_clones.find(user->GetIPString());
+	if (y != global_clones.end())
+	{
+		y->second--;
+		if (!y->second)
+		{
+			global_clones.erase(y);
+		}
+	}
+}
+
+unsigned long UserManager::GlobalCloneCount(User *user)
+{
+	clonemap::iterator x = global_clones.find(user->GetIPString());
+	if (x != global_clones.end())
+		return x->second;
+	else
+		return 0;
+}
+
+unsigned long UserManager::LocalCloneCount(User *user)
+{
+	clonemap::iterator x = local_clones.find(user->GetIPString());
+	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, 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, 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 = this->ServerInstance->Modes->FindMode(mode, MODETYPE_USER);
+
+	if (mh)
+		return mh->GetCount();
+	else
+		return 0;
+}
+
+