-/* add a client connection to the sockets list */
-void AddClient(int socket, char* host, int port, bool iscached, char* ip)
-{
- string tempnick;
- char tn2[MAXBUF];
- user_hash::iterator iter;
-
- tempnick = ConvToStr(socket) + "-unknown";
- sprintf(tn2,"%lu-unknown",(unsigned long)socket);
-
- iter = clientlist.find(tempnick);
-
- // fix by brain.
- // as these nicknames are 'RFC impossible', we can be sure nobody is going to be
- // using one as a registered connection. As theyre per fd, we can also safely assume
- // that we wont have collisions. Therefore, if the nick exists in the list, its only
- // used by a dead socket, erase the iterator so that the new client may reclaim it.
- // this was probably the cause of 'server ignores me when i hammer it with reconnects'
- // issue in earlier alphas/betas
- if (iter != clientlist.end())
- {
- userrec* goner = iter->second;
- delete goner;
- clientlist.erase(iter);
- }
-
- /*
- * It is OK to access the value here this way since we know
- * it exists, we just created it above.
- *
- * At NO other time should you access a value in a map or a
- * hash_map this way.
- */
- clientlist[tempnick] = new userrec();
-
- NonBlocking(socket);
- log(DEBUG,"AddClient: %lu %s %d %s",(unsigned long)socket,host,port,ip);
-
- clientlist[tempnick]->fd = socket;
- strlcpy(clientlist[tempnick]->nick, tn2,NICKMAX);
- strlcpy(clientlist[tempnick]->host, host,160);
- strlcpy(clientlist[tempnick]->dhost, host,160);
- clientlist[tempnick]->server = (char*)FindServerNamePtr(Config->ServerName);
- strlcpy(clientlist[tempnick]->ident, "unknown",IDENTMAX);
- clientlist[tempnick]->registered = 0;
- clientlist[tempnick]->signon = TIME + Config->dns_timeout;
- clientlist[tempnick]->lastping = 1;
- clientlist[tempnick]->port = port;
- strlcpy(clientlist[tempnick]->ip,ip,16);
-
- // set the registration timeout for this user
- unsigned long class_regtimeout = 90;
- int class_flood = 0;
- long class_threshold = 5;
- long class_sqmax = 262144; // 256kb
- long class_rqmax = 4096; // 4k
-
- for (ClassVector::iterator i = Config->Classes.begin(); i != Config->Classes.end(); i++)
- {
- if (match(clientlist[tempnick]->host,i->host) && (i->type == CC_ALLOW))
- {
- class_regtimeout = (unsigned long)i->registration_timeout;
- class_flood = i->flood;
- clientlist[tempnick]->pingmax = i->pingtime;
- class_threshold = i->threshold;
- class_sqmax = i->sendqmax;
- class_rqmax = i->recvqmax;
- break;
- }
- }
-
- clientlist[tempnick]->nping = TIME+clientlist[tempnick]->pingmax + Config->dns_timeout;
- clientlist[tempnick]->timeout = TIME+class_regtimeout;
- clientlist[tempnick]->flood = class_flood;
- clientlist[tempnick]->threshold = class_threshold;
- clientlist[tempnick]->sendqmax = class_sqmax;
- clientlist[tempnick]->recvqmax = class_rqmax;
-
- ucrec a;
- a.channel = NULL;
- a.uc_modes = 0;
- for (int i = 0; i < MAXCHANS; i++)
- clientlist[tempnick]->chans.push_back(a);
-
- if (clientlist.size() > Config->SoftLimit)
- {
- kill_link(clientlist[tempnick],"No more connections allowed");
- return;
- }
-
- if (clientlist.size() >= MAXCLIENTS)
- {
- kill_link(clientlist[tempnick],"No more connections allowed");
- return;
- }
-
- // 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 ((unsigned)socket > 65534)
- {
- kill_link(clientlist[tempnick],"Server is full");
- return;
- }
- char* e = matches_exception(ip);
- if (!e)
- {
- char* r = matches_zline(ip);
- if (r)
- {
- char reason[MAXBUF];
- snprintf(reason,MAXBUF,"Z-Lined: %s",r);
- kill_link(clientlist[tempnick],reason);
- return;
- }
- }
- fd_ref_table[socket] = clientlist[tempnick];
- SE->AddFd(socket,true,X_ESTAB_CLIENT);
-}
-
-void FullConnectUser(userrec* user)
-{
- stats->statsConnects++;
- user->idle_lastmsg = TIME;
- log(DEBUG,"ConnectUser: %s",user->nick);
-
- if ((strcmp(Passwd(user),"")) && (!user->haspassed))
- {
- kill_link(user,"Invalid password");
- return;
- }
- if (IsDenied(user))
- {
- kill_link(user,"Unauthorised connection");
- return;
- }
-
- char match_against[MAXBUF];
- snprintf(match_against,MAXBUF,"%s@%s",user->ident,user->host);
- char* e = matches_exception(match_against);
- if (!e)
- {
- char* r = matches_gline(match_against);
- if (r)
- {
- char reason[MAXBUF];
- snprintf(reason,MAXBUF,"G-Lined: %s",r);
- kill_link_silent(user,reason);
- return;
- }
- r = matches_kline(user->host);
- if (r)
- {
- char reason[MAXBUF];
- snprintf(reason,MAXBUF,"K-Lined: %s",r);
- kill_link_silent(user,reason);
- return;
- }
- }
-
-
- WriteServ(user->fd,"NOTICE Auth :Welcome to \002%s\002!",Config->Network);
- WriteServ(user->fd,"001 %s :Welcome to the %s IRC Network %s!%s@%s",user->nick,Config->Network,user->nick,user->ident,user->host);
- WriteServ(user->fd,"002 %s :Your host is %s, running version %s",user->nick,Config->ServerName,VERSION);
- WriteServ(user->fd,"003 %s :This server was created %s %s",user->nick,__TIME__,__DATE__);
- WriteServ(user->fd,"004 %s %s %s iowghraAsORVSxNCWqBzvdHtGI lvhopsmntikrRcaqOALQbSeKVfHGCuzN",user->nick,Config->ServerName,VERSION);
- // the neatest way to construct the initial 005 numeric, considering the number of configure constants to go in it...
- std::stringstream v;
- v << "WALLCHOPS MODES=13 CHANTYPES=# PREFIX=(ohv)@%+ MAP SAFELIST MAXCHANNELS=" << MAXCHANS;
- v << " MAXBANS=60 NICKLEN=" << NICKMAX;
- v << " TOPICLEN=" << MAXTOPIC << " KICKLEN=" << MAXKICK << " MAXTARGETS=20 AWAYLEN=" << MAXAWAY << " CHANMODES=ohvb,k,l,psmnti NETWORK=";
- v << Config->Network;
- std::string data005 = v.str();
- FOREACH_MOD On005Numeric(data005);
- // anfl @ #ratbox, efnet reminded me that according to the RFC this cant contain more than 13 tokens per line...
- // so i'd better split it :)
- std::stringstream out(data005);
- std::string token = "";
- std::string line5 = "";
- int token_counter = 0;
- while (!out.eof())
- {
- out >> token;
- line5 = line5 + token + " ";
- token_counter++;
- if ((token_counter >= 13) || (out.eof() == true))
- {
- WriteServ(user->fd,"005 %s %s:are supported by this server",user->nick,line5.c_str());
- line5 = "";
- token_counter = 0;
- }
- }
- ShowMOTD(user);
-
- // fix 3 by brain, move registered = 7 below these so that spurious modes and host changes dont go out
- // onto the network and produce 'fake direction'
- FOREACH_MOD OnUserConnect(user);
- FOREACH_MOD OnGlobalConnect(user);
- user->registered = 7;
- WriteOpers("*** Client connecting on port %lu: %s!%s@%s [%s]",(unsigned long)user->port,user->nick,user->ident,user->host,user->ip);
-}
-
-
-/* shows the message of the day, and any other on-logon stuff */
-void ConnectUser(userrec *user)
-{
- // dns is already done, things are fast. no need to wait for dns to complete just pass them straight on
- if ((user->dns_done) && (user->registered >= 3) && (AllModulesReportReady(user)))
- {
- FullConnectUser(user);
- }
-}
-
-/* re-allocates a nick in the user_hash after they change nicknames,
- * returns a pointer to the new user as it may have moved */