typedef nspace::hash_map<in_addr,string*, nspace::hash<in_addr>, InAddr_HashComp> address_cache;
typedef std::deque<command_t> command_table;
+// This table references users by file descriptor.
+// its an array to make it VERY fast, as all lookups are referenced
+// by an integer, meaning there is no need for a scan/search operation.
+userrec* fd_ref_table[65536];
+
+int statsAccept = 0, statsRefused = 0, statsUnknown = 0, statsCollisions = 0, statsDns = 0, statsDnsGood = 0, statsDnsBad = 0, statsConnects = 0, statsSent= 0, statsRecv = 0;
+
serverrec* me[32];
FILE *log_file;
int defaultRoute = 0;
char ModPath[MAXBUF];
-connection C;
-
-long MyKey = C.GenKey();
-
/* prototypes */
int has_channel(userrec *u, chanrec *c);
std::vector<userrec*> all_opers;
+static char already_sent[65536];
+
void AddOper(userrec* user)
{
log(DEBUG,"Oper added to optimization list");
void ReadConfig(bool bail, userrec* user)
{
char dbg[MAXBUF],pauseval[MAXBUF],Value[MAXBUF],timeout[MAXBUF],NB[MAXBUF],flood[MAXBUF],MW[MAXBUF];
- char AH[MAXBUF],AP[MAXBUF],AF[MAXBUF],DNT[MAXBUF],pfreq[MAXBUF];
+ char AH[MAXBUF],AP[MAXBUF],AF[MAXBUF],DNT[MAXBUF],pfreq[MAXBUF],thold[MAXBUF];
ConnectClass c;
std::stringstream errstr;
ConfValue("connect","timeout",i,timeout,&config_f);
ConfValue("connect","flood",i,flood,&config_f);
ConfValue("connect","pingfreq",i,pfreq,&config_f);
+ ConfValue("connect","threshold",i,thold,&config_f);
if (Value[0])
{
strlcpy(c.host,Value,MAXBUF);
c.registration_timeout = 90; // default is 2 minutes
c.pingtime = 120;
c.flood = atoi(flood);
+ c.threshold = 5;
+ if (atoi(thold)>0)
+ {
+ c.threshold = atoi(thold);
+ }
if (atoi(timeout)>0)
{
c.registration_timeout = atoi(timeout);
chop(tb);
if (sock != -1)
{
- write(sock,tb,bytes > 514 ? 514 : bytes);
+ int MOD_RESULT = 0;
+ FOREACH_RESULT(OnRawSocketWrite(sock,tb,bytes > 512 ? 512 : bytes));
+ if (!MOD_RESULT)
+ write(sock,tb,bytes > 512 ? 512 : bytes);
+ if (fd_ref_table[sock])
+ {
+ fd_ref_table[sock]->bytes_out += (bytes > 512 ? 512 : bytes);
+ fd_ref_table[sock]->cmds_out++;
+ }
+ statsSent += (bytes > 512 ? 512 : bytes);
}
}
chop(tb);
if (sock != -1)
{
- write(sock,tb,bytes > 514 ? 514 : bytes);
+ int MOD_RESULT = 0;
+ FOREACH_RESULT(OnRawSocketWrite(sock,tb,bytes > 512 ? 512 : bytes));
+ if (!MOD_RESULT)
+ write(sock,tb,bytes > 512 ? 512 : bytes);
+ if (fd_ref_table[sock])
+ {
+ fd_ref_table[sock]->bytes_out += (bytes > 512 ? 512 : bytes);
+ fd_ref_table[sock]->cmds_out++;
+ }
+ statsSent += (bytes > 512 ? 512 : bytes);
}
}
chop(tb);
if (sock != -1)
{
- write(sock,tb,bytes > 514 ? 514 : bytes);
+ int MOD_RESULT = 0;
+ FOREACH_RESULT(OnRawSocketWrite(sock,tb,bytes > 512 ? 512 : bytes));
+ if (!MOD_RESULT)
+ write(sock,tb,bytes > 512 ? 512 : bytes);
+ if (fd_ref_table[sock])
+ {
+ fd_ref_table[sock]->bytes_out += (bytes > 512 ? 512 : bytes);
+ fd_ref_table[sock]->cmds_out++;
+ }
+ statsSent += (bytes > 512 ? 512 : bytes);
}
}
vsnprintf(textbuffer, MAXBUF, text, argsPtr);
va_end(argsPtr);
- WriteFrom(u->fd,u,"%s",textbuffer);
+ // FIX: Stops a message going to the same person more than once
+ bzero(&already_sent,65536);
+
+ bool sent_to_at_least_one = false;
for (int i = 0; i < MAXCHANS; i++)
{
{
char* o = (*ulist)[j];
userrec* otheruser = (userrec*)o;
- WriteFrom(otheruser->fd,u,"%s",textbuffer);
+ if (!already_sent[otheruser->fd])
+ {
+ already_sent[otheruser->fd] = 1;
+ WriteFrom(otheruser->fd,u,"%s",textbuffer);
+ sent_to_at_least_one = true;
+ }
}
}
}
+ // if the user was not in any channels, no users will receive the text. Make sure the user
+ // receives their OWN message for WriteCommon
+ if (!sent_to_at_least_one)
+ {
+ WriteFrom(u->fd,u,"%s",textbuffer);
+ }
}
/* write a formatted string to all users who share at least one common
vsnprintf(textbuffer, MAXBUF, text, argsPtr);
va_end(argsPtr);
+ bzero(&already_sent,65536);
+
for (int i = 0; i < MAXCHANS; i++)
{
if (u->chans[i].channel)
char* o = (*ulist)[j];
userrec* otheruser = (userrec*)o;
if (u != otheruser)
- WriteFrom(otheruser->fd,u,"%s",textbuffer);
+ {
+ if (!already_sent[otheruser->fd])
+ {
+ already_sent[otheruser->fd] = 1;
+ WriteFrom(otheruser->fd,u,"%s",textbuffer);
+ }
+ }
}
}
}
}
}
+void NoticeAllOpers(userrec *source, bool local_only, char* text, ...)
+{
+ if ((!text) || (!source))
+ {
+ log(DEFAULT,"*** BUG *** NoticeAllOpers was given an invalid parameter");
+ return;
+ }
+
+ char textbuffer[MAXBUF];
+ va_list argsPtr;
+ va_start (argsPtr, text);
+ vsnprintf(textbuffer, MAXBUF, text, argsPtr);
+ va_end(argsPtr);
+
+ for (std::vector<userrec*>::iterator i = all_opers.begin(); i != all_opers.end(); i++)
+ {
+ userrec* a = *i;
+ if ((a) && (a->fd != FD_MAGIC_NUMBER))
+ {
+ if (strchr(a->modes,'s'))
+ {
+ // send server notices to all with +s
+ WriteServ(a->fd,"NOTICE %s :*** Notice From %s: %s",a->nick,source->nick,textbuffer);
+ }
+ }
+ }
+
+ if (!local_only)
+ {
+ char buffer[MAXBUF];
+ snprintf(buffer,MAXBUF,"V %s @* :%s",source->nick,textbuffer);
+ NetSendToAll(buffer);
+ }
+}
+
// returns TRUE of any users on channel C occupy server 'servername'.
bool ChanAnyOnThisServer(chanrec *c,char* servername)
}
+void NoticeAll(userrec *source, bool local_only, char* text, ...)
+{
+ if ((!text) || (!source))
+ {
+ log(DEFAULT,"*** BUG *** NoticeAll was given an invalid parameter");
+ return;
+ }
+
+ char textbuffer[MAXBUF];
+ va_list argsPtr;
+ va_start (argsPtr, text);
+ vsnprintf(textbuffer, MAXBUF, text, argsPtr);
+ va_end(argsPtr);
+
+ for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
+ {
+ if ((i->second) && (i->second->fd != FD_MAGIC_NUMBER))
+ {
+ WriteFrom(i->second->fd,source,"NOTICE $* :%s",textbuffer);
+ }
+ }
+
+ if (!local_only)
+ {
+ char buffer[MAXBUF];
+ snprintf(buffer,MAXBUF,"V %s * :%s",source->nick,textbuffer);
+ NetSendToAll(buffer);
+ }
+
+}
+
void WriteWallOps(userrec *source, bool local_only, char* text, ...)
{
if ((!text) || (!source))
if (iter != chanlist.end())
{
log(DEBUG,"del_channel: destroyed: %s",Ptr->name);
- if (iter->second) delete iter->second;
+ delete Ptr;
chanlist.erase(iter);
}
}
if (iter != chanlist.end())
{
log(DEBUG,"del_channel: destroyed: %s",Ptr->name);
- if (iter->second) delete iter->second;
+ delete Ptr;
chanlist.erase(iter);
}
}
Write(user->fd,"ERROR :Closing link (%s@%s) [%s]",user->ident,user->host,reason);
log(DEBUG,"closing fd %lu",(unsigned long)user->fd);
- /* bugfix, cant close() a nonblocking socket (sux!) */
if (user->registered == 7) {
FOREACH_MOD OnUserQuit(user);
WriteCommonExcept(user,"QUIT :%s",reason);
if (user->fd > -1)
{
+ FOREACH_MOD OnRawSocketClose(user->fd);
shutdown(user->fd,2);
close(user->fd);
}
AddWhoWas(user);
}
+ if (user->registered == 7) {
+ purge_empty_chans(user);
+ }
+
if (iter != clientlist.end())
{
- log(DEBUG,"deleting user hash value %lu",(unsigned long)iter->second);
- if ((iter->second) && (user->registered == 7)) {
- if (iter->second) delete iter->second;
- }
+ log(DEBUG,"deleting user hash value %lu",(unsigned long)user);
+ if (user->fd > -1)
+ fd_ref_table[user->fd] = NULL;
+ delete user;
clientlist.erase(iter);
}
-
- if (user->registered == 7) {
- purge_empty_chans(user);
- }
- delete user;
- //user = NULL;
}
void kill_link_silent(userrec *user,const char* r)
Write(user->fd,"ERROR :Closing link (%s@%s) [%s]",user->ident,user->host,reason);
log(DEBUG,"closing fd %lu",(unsigned long)user->fd);
- /* bugfix, cant close() a nonblocking socket (sux!) */
if (user->registered == 7) {
FOREACH_MOD OnUserQuit(user);
WriteCommonExcept(user,"QUIT :%s",reason);
if (user->fd > -1)
{
+ FOREACH_MOD OnRawSocketClose(user->fd);
shutdown(user->fd,2);
close(user->fd);
}
+
+ if (user->registered == 7) {
+ purge_empty_chans(user);
+ }
if (iter != clientlist.end())
{
- log(DEBUG,"deleting user hash value %lu",(unsigned long)iter->second);
- if ((iter->second) && (user->registered == 7)) {
- if (iter->second) delete iter->second;
- }
+ log(DEBUG,"deleting user hash value %lu",(unsigned long)user);
+ if (user->fd > -1)
+ fd_ref_table[user->fd] = NULL;
+ delete user;
clientlist.erase(iter);
}
-
- if (user->registered == 7) {
- purge_empty_chans(user);
- }
- delete user;
}
iter = clientlist.find(tempnick);
- if (iter != clientlist.end()) return;
+ // 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())
+ {
+ clientlist.erase(iter);
+ }
/*
* It is OK to access the value here this way since we know
// set the registration timeout for this user
unsigned long class_regtimeout = 90;
int class_flood = 0;
+ long class_threshold = 5;
for (ClassVector::iterator i = Classes.begin(); i != Classes.end(); i++)
{
class_regtimeout = (unsigned long)i->registration_timeout;
class_flood = i->flood;
clientlist[tempnick]->pingmax = i->pingtime;
+ class_threshold = i->threshold;
break;
}
}
clientlist[tempnick]->nping = TIME+clientlist[tempnick]->pingmax+dns_timeout;
clientlist[tempnick]->timeout = TIME+class_regtimeout;
clientlist[tempnick]->flood = class_flood;
+ clientlist[tempnick]->threshold = class_threshold;
for (int i = 0; i < MAXCHANS; i++)
{
}
if (clientlist.size() == MAXCLIENTS)
+ {
kill_link(clientlist[tempnick],"No more connections allowed in this class");
+ 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 (socket > 65535)
+ {
+ kill_link(clientlist[tempnick],"Server is full");
+ return;
+ }
char* e = matches_exception(ip);
char reason[MAXBUF];
snprintf(reason,MAXBUF,"Z-Lined: %s",r);
kill_link(clientlist[tempnick],reason);
+ return;
}
}
+ fd_ref_table[socket] = clientlist[tempnick];
}
// this function counts all users connected, wether they are registered or NOT.
WholeMOTD = WholeMOTD + std::string(":") + std::string(ServerName) + std::string(" 376 ") + std::string(user->nick) + std::string(" :End of message of the day.\r\n");
// only one write operation
send(user->fd,WholeMOTD.c_str(),WholeMOTD.length(),0);
-
+ statsSent += WholeMOTD.length();
}
void ShowRULES(userrec *user)
/* shows the message of the day, and any other on-logon stuff */
void FullConnectUser(userrec* user)
{
+ statsConnects++;
user->registered = 7;
user->idle_lastmsg = TIME;
log(DEBUG,"ConnectUser: %s",user->nick);
}
}
-void handle_version(char **parameters, int pcnt, userrec *user)
+std::string GetVersionString()
{
- char Revision[] = "$Revision$";
+ char Revision[] = "$Revision$";
+ char versiondata[MAXBUF];
+ char *s1 = Revision;
+ char *savept;
+ char *v2 = strtok_r(s1," ",&savept);
+ s1 = savept;
+ v2 = strtok_r(s1," ",&savept);
+ s1 = savept;
+ snprintf(versiondata,MAXBUF,"%s Rev. %s %s :%s (O=%lu)",VERSION,v2,ServerName,SYSTEM,(unsigned long)OPTIMISATION);
+ return versiondata;
+}
- char *s1 = Revision;
- char *savept;
- char *v2 = strtok_r(s1," ",&savept);
- s1 = savept;
- v2 = strtok_r(s1," ",&savept);
- s1 = savept;
-
- WriteServ(user->fd,"351 %s :%s Rev. %s %s :%s (O=%lu)",user->nick,VERSION,v2,ServerName,SYSTEM,(unsigned long)OPTIMISATION);
+void handle_version(char **parameters, int pcnt, userrec *user)
+{
+ if (!pcnt)
+ {
+ WriteServ(user->fd,"351 %s :%s",user->nick,GetVersionString().c_str());
+ }
+ else
+ {
+ if (match(ServerName,parameters[0]))
+ {
+ WriteServ(user->fd,"351 %s :%s",user->nick,GetVersionString().c_str());
+ return;
+ }
+ bool displayed = false, found = false;
+ for (int j = 0; j < 32; j++)
+ {
+ if (me[j] != NULL)
+ {
+ for (int x = 0; x < me[j]->connectors.size(); x++)
+ {
+ if (match(me[j]->connectors[x].GetServerName().c_str(),parameters[0]))
+ {
+ found = true;
+ if ((me[j]->connectors[x].GetVersionString() != "") && (!displayed))
+ {
+ displayed = true;
+ WriteServ(user->fd,"351 %s :%s",user->nick,me[j]->connectors[x].GetVersionString().c_str());
+ }
+ }
+ }
+ }
+ }
+ if ((!displayed) && (found))
+ {
+ WriteServ(user->fd,"402 %s %s :Server %s has no version information",user->nick,parameters[0],parameters[0]);
+ return;
+ }
+ WriteServ(user->fd,"402 %s %s :No such server",user->nick,parameters[0]);
+ }
+ return;
}
FOREACH_RESULT(OnUserPreNick(user,newnick));
if (MOD_RESULT) {
+ statsCollisions++;
kill_link(user,"Nickname collision");
return;
}
if (matches_qline(newnick))
{
+ statsCollisions++;
kill_link(user,"Nickname collision");
return;
}
{
if (strchr("@!\"$%^&*(){}[]_=+;:'#~,<>/?\\|`",command[x]))
{
+ statsUnknown++;
WriteServ(user->fd,"421 %s %s :Unknown command",user->nick,command);
return;
}
{
if (strlen(command)>=(strlen(cmdlist[i].command))) if (!strncmp(command, cmdlist[i].command,MAXCOMMAND))
{
- log(DEBUG,"Found matching command");
-
if (parameters)
{
if (parameters[0])
if (user)
{
- log(DEBUG,"Processing command");
-
/* activity resets the ping pending timer */
user->nping = TIME + user->pingmax;
if ((items) < cmdlist[i].min_params)
}
if ((user->registered == 7) || (!strncmp(command,"USER",4)) || (!strncmp(command,"NICK",4)) || (!strncmp(command,"PASS",4)))
{
- log(DEBUG,"process_command: handler: %s %s %lu",user->nick,command,(unsigned long)items);
if (cmdlist[i].handler_function)
{
/* ikky /stats counters */
if (temp)
{
- if (user)
- {
- user->bytes_in += strlen(temp);
- user->cmds_in++;
- user->bytes_out+=strlen(temp);
- user->cmds_out++;
- }
cmdlist[i].use_count++;
cmdlist[i].total_bytes+=strlen(temp);
}
}
else
{
- log(DEBUG,"process_command: not registered: %s %s",user->nick,command);
WriteServ(user->fd,"451 %s :You have not registered",command);
return;
}
}
if ((!cmd_found) && (user))
{
- log(DEBUG,"process_command: not in table: %s %s",user->nick,command);
+ statsUnknown++;
WriteServ(user->fd,"421 %s %s :Unknown command",user->nick,command);
}
}
{
return;
}
- log(DEBUG,"InspIRCd: processing: %s %s",user->nick,cmd);
+ log(DEBUG,"CMDIN: %s %s",user->nick,cmd);
tidystring(cmd);
if ((user) && (cmd))
{
snprintf(data,MAXBUF,"Y %lu",(unsigned long)TIME);
serv->SendPacket(data,tcp_host);
// send users and channels
+
+ NetSendMyRoutingTable();
+
+ // send all routing table and uline voodoo. The ordering of these commands is IMPORTANT!
+ for (int j = 0; j < 32; j++)
+ {
+ if (me[j] != NULL)
+ {
+ for (int k = 0; k < me[j]->connectors.size(); k++)
+ {
+ if (is_uline(me[j]->connectors[k].GetServerName().c_str()))
+ {
+ snprintf(data,MAXBUF,"H %s",me[j]->connectors[k].GetServerName().c_str());
+ serv->SendPacket(data,tcp_host);
+ }
+ }
+ }
+ }
+
+ // send our version for the remote side to cache
+ snprintf(data,MAXBUF,"v %s %s",ServerName,GetVersionString().c_str());
+ serv->SendPacket(data,tcp_host);
+
+ // sync the users and channels, give the modules a look-in.
for (user_hash::iterator u = clientlist.begin(); u != clientlist.end(); u++)
{
snprintf(data,MAXBUF,"N %lu %s %s %s %s +%s %s %s :%s",(unsigned long)u->second->age,u->second->nick,u->second->host,u->second->dhost,u->second->ident,u->second->modes,u->second->ip,u->second->server,u->second->fullname);
// sync global zlines, glines, etc
sync_xlines(serv,tcp_host);
- for (int j = 0; j < 32; j++)
- {
- if (me[j] != NULL)
- {
- for (int k = 0; k < me[j]->connectors.size(); k++)
- {
- if (is_uline(me[j]->connectors[k].GetServerName().c_str()))
- {
- snprintf(data,MAXBUF,"H %s",me[j]->connectors[k].GetServerName().c_str());
- serv->SendPacket(data,tcp_host);
- NetSendMyRoutingTable();
- }
- }
- }
- }
-
snprintf(data,MAXBUF,"F %lu",(unsigned long)TIME);
serv->SendPacket(data,tcp_host);
log(DEBUG,"Sent sync");
}
work[p--] = '\0';
}
- log(DEBUG,"Dir valid: %s",work);
char buffer[MAXBUF], otherdir[MAXBUF];
// Get the current working directory
if( getcwd( buffer, MAXBUF ) == NULL )
if( getcwd( otherdir, MAXBUF ) == NULL )
return false;
chdir(buffer);
- log(DEBUG,"Dir is really: %s",otherdir);
if (strlen(otherdir) >= strlen(work))
{
otherdir[strlen(work)] = '\0';
- log(DEBUG,"Compare: '%s' -> '%s'",otherdir,work);
if (!strcmp(otherdir,work))
{
- log(DEBUG,"Match ok");
return true;
}
- log(DEBUG,"No match");
return false;
}
else return false;
Exit(ERROR);
}
- log(DEBUG,"InspIRCd: startup: begin");
- log(DEBUG,"$Id$");
+ log(DEFAULT,"$Id$");
if (geteuid() == 0)
{
printf("WARNING!!! You are running an irc server as ROOT!!! DO NOT DO THIS!!!\n\n");
printf("Loading module... \033[1;32m%s\033[0m\n",configToken);
if (!LoadModule(configToken))
{
- log(DEBUG,"Exiting due to a module loader error.");
+ log(DEFAULT,"Exiting due to a module loader error.");
printf("\nThere was an error loading a module: %s\n\nYou might want to do './inspircd start' instead of 'bin/inspircd'\n\n",ModuleError());
Exit(0);
}
}
- log(DEBUG,"Total loaded modules: %lu",(unsigned long)MODCOUNT+1);
+ log(DEFAULT,"Total loaded modules: %lu",(unsigned long)MODCOUNT+1);
startup_time = time(NULL);
tvs.tv_sec = 0;
tv.tv_sec = 0;
tv.tv_usec = 10000L;
- char data[10240];
+ char data[65535];
timeval tval;
fd_set sfd;
tval.tv_usec = 10000L;
if (count2 == clientlist.end()) break;
+ userrec* curr = NULL;
+
if (count2->second)
- if (count2->second->fd != 0)
+ curr = count2->second;
+
+ if ((curr) && (curr->fd != 0))
{
+#ifdef _POSIX_PRIORITY_SCHEDULING
+ sched_yield();
+#endif
// assemble up to 64 sockets into an fd_set
// to implement a pooling mechanism.
//
{
if (count2 != clientlist.end())
{
+ curr = count2->second;
// we don't check the state of remote users.
- if ((count2->second->fd != -1) && (count2->second->fd != FD_MAGIC_NUMBER))
+ if ((curr->fd != -1) && (curr->fd != FD_MAGIC_NUMBER))
{
- FD_SET (count2->second->fd, &sfd);
+ FD_SET (curr->fd, &sfd);
// registration timeout -- didnt send USER/NICK/HOST in the time specified in
// their connection class.
- if ((TIME > count2->second->timeout) && (count2->second->registered != 7))
+ if ((TIME > curr->timeout) && (curr->registered != 7))
{
- log(DEBUG,"InspIRCd: registration timeout: %s",count2->second->nick);
- kill_link(count2->second,"Registration timeout");
+ log(DEBUG,"InspIRCd: registration timeout: %s",curr->nick);
+ kill_link(curr,"Registration timeout");
goto label;
}
- if ((TIME > count2->second->signon) && (count2->second->registered == 3) && (AllModulesReportReady(count2->second)))
+ if ((TIME > curr->signon) && (curr->registered == 3) && (AllModulesReportReady(curr)))
{
log(DEBUG,"signon exceed, registered=3, and modules ready, OK");
- count2->second->dns_done = true;
- FullConnectUser(count2->second);
+ curr->dns_done = true;
+ statsDnsBad++;
+ FullConnectUser(curr);
goto label;
}
- if ((count2->second->dns_done) && (count2->second->registered == 3) && (AllModulesReportReady(count2->second))) // both NICK and USER... and DNS
+ if ((curr->dns_done) && (curr->registered == 3) && (AllModulesReportReady(curr))) // both NICK and USER... and DNS
{
log(DEBUG,"dns done, registered=3, and modules ready, OK");
- FullConnectUser(count2->second);
+ FullConnectUser(curr);
goto label;
}
- if ((TIME > count2->second->nping) && (isnick(count2->second->nick)) && (count2->second->registered == 7))
+ if ((TIME > curr->nping) && (isnick(curr->nick)) && (curr->registered == 7))
{
- if ((!count2->second->lastping) && (count2->second->registered == 7))
+ if ((!curr->lastping) && (curr->registered == 7))
{
- log(DEBUG,"InspIRCd: ping timeout: %s",count2->second->nick);
- kill_link(count2->second,"Ping timeout");
+ log(DEBUG,"InspIRCd: ping timeout: %s",curr->nick);
+ kill_link(curr,"Ping timeout");
goto label;
}
- Write(count2->second->fd,"PING :%s",ServerName);
- log(DEBUG,"InspIRCd: pinging: %s",count2->second->nick);
- count2->second->lastping = 0;
- count2->second->nping = TIME+count2->second->pingmax; // was hard coded to 120
+ Write(curr->fd,"PING :%s",ServerName);
+ log(DEBUG,"InspIRCd: pinging: %s",curr->nick);
+ curr->lastping = 0;
+ curr->nping = TIME+curr->pingmax; // was hard coded to 120
}
}
count2++;
selectResult2 = select(65535, &sfd, NULL, NULL, &tval);
// now loop through all of the items in this pool if any are waiting
- //if (selectResult2 > 0)
+ if (selectResult2 > 0)
for (user_hash::iterator count2a = xcount; count2a != endingiter; count2a++)
{
#ifdef _POSIX_PRIORITY_SCHEDULING
sched_yield();
#endif
-
+ userrec* cu = count2a->second;
result = EAGAIN;
- if ((count2a->second->fd != FD_MAGIC_NUMBER) && (count2a->second->fd != -1) && (FD_ISSET (count2a->second->fd, &sfd)))
+ if ((cu->fd != FD_MAGIC_NUMBER) && (cu->fd != -1) && (FD_ISSET (cu->fd, &sfd)))
{
- memset(data, 0, 10240);
- result = read(count2a->second->fd, data, 10240);
-
+ log(DEBUG,"Data waiting on socket %d",cu->fd);
+ int MOD_RESULT = 0;
+ int result2 = 0;
+ FOREACH_RESULT(OnRawSocketRead(cu->fd,data,65535,result2));
+ if (!MOD_RESULT)
+ {
+ result = read(cu->fd, data, 65535);
+ }
+ else result = result2;
+ log(DEBUG,"Read result: %d",result);
if (result)
{
+ statsRecv += result;
// perform a check on the raw buffer as an array (not a string!) to remove
// characters 0 and 7 which are illegal in the RFC - replace them with spaces.
// hopefully this should stop even more people whining about "Unknown command: *"
if ((data[checker] == 0) || (data[checker] == 7))
data[checker] = ' ';
}
- userrec* current = count2a->second;
+ if (result > 0)
+ data[result] = '\0';
+ userrec* current = cu;
int currfd = current->fd;
- char* l = strtok(data,"\n");
int floodlines = 0;
- while (l)
+ // add the data to the users buffer
+ if (!current->AddBuffer(data))
+ {
+ // AddBuffer returned false, theres too much data in the user's buffer and theyre up to no good.
+ if (current->registered == 7)
+ {
+ kill_link(current,"RecvQ exceeded");
+ }
+ else
+ {
+ WriteOpers("*** Excess flood from %s",current->ip);
+ log(DEFAULT,"Excess flood from: %s",current->ip);
+ add_zline(120,ServerName,"Flood from unregistered connection",current->ip);
+ apply_lines();
+ }
+ goto label;
+ }
+ if (current->recvq.length() > NetBufferSize)
+ {
+ if (current->registered == 7)
+ {
+ kill_link(current,"RecvQ exceeded");
+ }
+ else
+ {
+ WriteOpers("*** Excess flood from %s",current->ip);
+ log(DEFAULT,"Excess flood from: %s",current->ip);
+ add_zline(120,ServerName,"Flood from unregistered connection",current->ip);
+ apply_lines();
+ }
+ goto label;
+ }
+ // while there are complete lines to process...
+ while (current->BufferIsReady())
{
floodlines++;
- if ((floodlines > current->flood) && (current->flood != 0))
+ if (TIME > current->reset_due)
{
- log(DEFAULT,"Excess flood from: %s!%s@%s",current->nick,current->ident,current->host);
- WriteOpers("*** Excess flood from: %s!%s@%s",current->nick,current->ident,current->host);
+ current->reset_due = TIME + current->threshold;
+ current->lines_in = 0;
+ }
+ current->lines_in++;
+ if (current->lines_in > current->flood)
+ {
+ log(DEFAULT,"Excess flood from: %s!%s@%s",current->nick,current->ident,current->host);
+ WriteOpers("*** Excess flood from: %s!%s@%s",current->nick,current->ident,current->host);
kill_link(current,"Excess flood");
goto label;
}
- char sanitized[NetBufferSize];
- memset(sanitized, 0, NetBufferSize);
- int ptt = 0;
- for (int pt = 0; pt < strlen(l); pt++)
+ if ((floodlines > current->flood) && (current->flood != 0))
{
- if (l[pt] != '\r')
+ if (current->registered == 7)
{
- sanitized[ptt++] = l[pt];
+ log(DEFAULT,"Excess flood from: %s!%s@%s",current->nick,current->ident,current->host);
+ WriteOpers("*** Excess flood from: %s!%s@%s",current->nick,current->ident,current->host);
+ kill_link(current,"Excess flood");
}
+ else
+ {
+ add_zline(120,ServerName,"Flood from unregistered connection",current->ip);
+ apply_lines();
+ }
+ goto label;
}
- sanitized[ptt] = '\0';
+ char sanitized[MAXBUF];
+ // use GetBuffer to copy single lines into the sanitized string
+ std::string single_line = current->GetBuffer();
+ current->bytes_in += single_line.length();
+ current->cmds_in++;
+ if (single_line.length()>512)
+ {
+ log(DEFAULT,"Excess flood from: %s!%s@%s",current->nick,current->ident,current->host);
+ WriteOpers("*** Excess flood from: %s!%s@%s",current->nick,current->ident,current->host);
+ kill_link(current,"Excess flood");
+ goto label;
+ }
+ strlcpy(sanitized,single_line.c_str(),MAXBUF);
if (*sanitized)
{
-
-
// we're gonna re-scan to check if the nick is gone, after every
// command - if it has, we're gonna bail
- bool find_again = false;
process_buffer(sanitized,current);
-
- // look for the user's record in case it's changed
- for (user_hash::iterator c2 = clientlist.begin(); c2 != clientlist.end(); c2++)
- {
- if (c2->second->fd == currfd)
- {
- // found again, update pointer
- current == c2->second;
- find_again = true;
- break;
- }
- }
- if (!find_again)
+ // look for the user's record in case it's changed... if theyve quit,
+ // we cant do anything more with their buffer, so bail.
+ // there used to be an ugly, slow loop here. Now we have a reference
+ // table, life is much easier (and FASTER)
+ if (!fd_ref_table[currfd])
goto label;
}
- l = strtok(NULL,"\n");
}
goto label;
}
if ((result == -1) && (errno != EAGAIN) && (errno != EINTR))
{
- log(DEBUG,"killing: %s",count2a->second->nick);
- kill_link(count2a->second,strerror(errno));
+ log(DEBUG,"killing: %s",cu->nick);
+ kill_link(cu,strerror(errno));
goto label;
}
}
{
if (count2->second)
{
- log(DEBUG,"InspIRCd: Exited: %s",count2a->second->nick);
- kill_link(count2a->second,"Client exited");
+ log(DEBUG,"InspIRCd: Exited: %s",cu->nick);
+ kill_link(cu,"Client exited");
// must bail here? kill_link removes the hash, corrupting the iterator
log(DEBUG,"Bailing from client exit");
goto label;
{
WriteOpers("*** WARNING: Accept failed on port %lu (%s)",(unsigned long)ports[count],target);
log(DEBUG,"InspIRCd: accept failed: %lu",(unsigned long)ports[count]);
+ statsRefused++;
}
else
{
+ FOREACH_MOD OnRawSocketAccept(incomingSockfd, resolved, ports[count]);
+ statsAccept++;
AddClient(incomingSockfd, resolved, ports[count], false, inet_ntoa (client.sin_addr));
log(DEBUG,"InspIRCd: adding client on port %lu fd=%lu",(unsigned long)ports[count],(unsigned long)incomingSockfd);
}
if (0) {};
#ifdef _POSIX_PRIORITY_SCHEDULING
sched_yield();
+ sched_yield();
#endif
}
/* not reached */