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/* +------------------------------------+
* | Inspire Internet Relay Chat Daemon |
* +------------------------------------+
*
* InspIRCd: (C) 2002-2008 InspIRCd Development Team
* See: http://www.inspircd.org/wiki/index.php/Credits
*
* This program is free but copyrighted software; see
* the file COPYING for details.
*
* ---------------------------------------------------
*/
/* $Core: libIRCDusermanager */
#include "inspircd.h"
#include "xline.h"
#include "bancache.h"
/* add a client connection to the sockets list */
void UserManager::AddClient(InspIRCd* Instance, int socket, int port, bool iscached, int socketfamily, sockaddr* ip)
{
/* 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->Log(DEFAULT,"*** WTF *** Duplicated UUID! -- Crack smoking monkies have been unleashed.");
Instance->WriteOpers("*** WARNING *** Duplicate UUID allocated!");
return;
}
Instance->Log(DEBUG,"New user fd: %d", socket);
int j = 0;
Instance->unregistered_count++;
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->SetSockAddr(socketfamily, ipaddr, port);
New->SetFd(socket);
/* Smarter than your average bear^H^H^H^Hset of strlcpys. */
for (const char* temp = New->GetIPString(); *temp && j < 64; temp++, j++)
New->dhost[j] = New->host[j] = *temp;
New->dhost[j] = New->host[j] = 0;
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)
{
User::QuitUser(Instance, 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();
Instance->local_users.push_back(New);
if ((Instance->local_users.size() > Instance->Config->SoftLimit) || (Instance->local_users.size() >= MAXCLIENTS))
{
Instance->WriteOpers("*** Warning: softlimit value has been reached: %d clients", Instance->Config->SoftLimit);
User::QuitUser(Instance, 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!)
*/
#ifndef WINDOWS
if ((unsigned int)socket >= MAX_DESCRIPTORS)
{
User::QuitUser(Instance, New, "Server is full");
return;
}
#endif
/*
* 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->Log(DEBUG, std::string("BanCache: Positive hit for ") + New->GetIPString());
if (*Instance->Config->MoronBanner)
New->WriteServ("NOTICE %s :*** %s", New->nick, Instance->Config->MoronBanner);
User::QuitUser(Instance, New, b->Reason);
return;
}
else
{
Instance->Log(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 (socket > -1)
{
if (!Instance->SE->AddFd(New))
{
Instance->Log(DEBUG,"Internal error on new connection");
User::QuitUser(Instance, 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->dns_done = true;
}
else
{
New->StartDNSLookup();
}
}
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;
}
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