#include <sys/errno.h>
#include <sys/ioctl.h>
#include <sys/utsname.h>
-#include <cstdio>
+
+#ifdef USE_KQUEUE
+#include <sys/types.h>
+#include <sys/event.h>
+#include <sys/time.h>
+#endif
+
+#ifdef USE_EPOLL
+#include <sys/epoll.h>
+#define EP_DELAY 50
+#endif
+
#include <time.h>
#include <string>
#ifdef GCC3
#include <map>
#include <sstream>
#include <vector>
-#include <errno.h>
#include <deque>
-#include <errno.h>
-#include <unistd.h>
#include <sched.h>
#include "connection.h"
#include "users.h"
#include "xline.h"
#include "inspstring.h"
#include "dnsqueue.h"
-
-#ifdef GCC3
-#define nspace __gnu_cxx
-#else
-#define nspace std
-#endif
+#include "helperfuncs.h"
+#include "hashcomp.h"
int LogLevel = DEFAULT;
char ServerName[MAXBUF];
int WHOWAS_MAX = 100; // default 100 people maximum in the WHOWAS list
int DieDelay = 5;
time_t startup_time = time(NULL);
-int NetBufferSize = 10240; // NetBufferSize used as the buffer size for all read() ops
+int NetBufferSize = 10240; // NetBufferSize used as the buffer size for all read() ops
+int MaxConn = SOMAXCONN; // size of accept() backlog (128 by default on *BSD)
extern int MaxWhoResults;
time_t nb_start = 0;
int dns_timeout = 5;
bool nofork = false;
bool unlimitcore = false;
-time_t TIME = time(NULL);
+time_t TIME = time(NULL), OLDTIME = time(NULL);
-namespace nspace
-{
-#ifdef GCC34
- template<> struct hash<in_addr>
-#else
- template<> struct nspace::hash<in_addr>
+#ifdef USE_KQUEUE
+int kq, lkq, skq;
#endif
- {
- size_t operator()(const struct in_addr &a) const
- {
- size_t q;
- memcpy(&q,&a,sizeof(size_t));
- return q;
- }
- };
-#ifdef GCC34
- template<> struct hash<string>
-#else
- template<> struct nspace::hash<string>
-#endif
- {
- size_t operator()(const string &s) const
- {
- char a[MAXBUF];
- static struct hash<const char *> strhash;
- strlcpy(a,s.c_str(),MAXBUF);
- strlower(a);
- return strhash(a);
- }
- };
-}
-
-
-struct StrHashComp
-{
- bool operator()(const string& s1, const string& s2) const
- {
- char a[MAXBUF],b[MAXBUF];
- strlcpy(a,s1.c_str(),MAXBUF);
- strlcpy(b,s2.c_str(),MAXBUF);
- strlower(a);
- strlower(b);
- return (strcasecmp(a,b) == 0);
- }
-
-};
-
-struct InAddr_HashComp
-{
-
- bool operator()(const in_addr &s1, const in_addr &s2) const
- {
- size_t q;
- size_t p;
-
- memcpy(&q,&s1,sizeof(size_t));
- memcpy(&p,&s2,sizeof(size_t));
-
- return (q == p);
- }
+#ifdef USE_EPOLL
+int ep, lep, sep;
+#endif
-};
+typedef nspace::hash_map<std::string, userrec*, nspace::hash<string>, irc::StrHashComp> user_hash;
+typedef nspace::hash_map<std::string, chanrec*, nspace::hash<string>, irc::StrHashComp> chan_hash;
+typedef nspace::hash_map<in_addr,string*, nspace::hash<in_addr>, irc::InAddr_HashComp> address_cache;
+typedef nspace::hash_map<std::string, WhoWasUser*, nspace::hash<string>, irc::StrHashComp> whowas_hash;
+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];
-typedef nspace::hash_map<std::string, userrec*, nspace::hash<string>, StrHashComp> user_hash;
-typedef nspace::hash_map<std::string, chanrec*, nspace::hash<string>, StrHashComp> chan_hash;
-typedef nspace::hash_map<in_addr,string*, nspace::hash<in_addr>, InAddr_HashComp> address_cache;
-typedef std::deque<command_t> command_table;
+int statsAccept = 0, statsRefused = 0, statsUnknown = 0, statsCollisions = 0, statsDns = 0, statsDnsGood = 0, statsDnsBad = 0, statsConnects = 0, statsSent= 0, statsRecv = 0;
serverrec* me[32];
user_hash clientlist;
chan_hash chanlist;
-user_hash whowas;
+whowas_hash whowas;
command_table cmdlist;
file_cache MOTD;
file_cache RULES;
struct linger linger = { 0 };
char MyExecutable[1024];
int boundPortCount = 0;
-int portCount = 0, UDPportCount = 0, ports[MAXSOCKS];
+int portCount = 0, SERVERportCount = 0, ports[MAXSOCKS];
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;
+char lowermap[255];
+
void AddOper(userrec* user)
{
log(DEBUG,"Oper added to optimization list");
return AdminNick;
}
-void log(int level,char *text, ...)
-{
- char textbuffer[MAXBUF];
- va_list argsPtr;
- time_t rawtime;
- struct tm * timeinfo;
- if (level < LogLevel)
- return;
-
- time(&rawtime);
- timeinfo = localtime (&rawtime);
-
- if (log_file)
- {
- char b[MAXBUF];
- va_start (argsPtr, text);
- vsnprintf(textbuffer, MAXBUF, text, argsPtr);
- va_end(argsPtr);
- strlcpy(b,asctime(timeinfo),MAXBUF);
- b[24] = ':'; // we know this is the end of the time string
- fprintf(log_file,"%s %s\n",b,textbuffer);
- if (nofork)
- {
- // nofork enabled? display it on terminal too
- printf("%s %s\n",b,textbuffer);
- }
- }
-}
-
-void readfile(file_cache &F, const char* fname)
-{
- FILE* file;
- char linebuf[MAXBUF];
-
- log(DEBUG,"readfile: loading %s",fname);
- F.clear();
- file = fopen(fname,"r");
- if (file)
- {
- while (!feof(file))
- {
- fgets(linebuf,sizeof(linebuf),file);
- linebuf[strlen(linebuf)-1]='\0';
- if (linebuf[0] == 0)
- {
- strcpy(linebuf," ");
- }
- if (!feof(file))
- {
- F.push_back(linebuf);
- }
- }
- fclose(file);
- }
- else
- {
- log(DEBUG,"readfile: failed to load file: %s",fname);
- }
- log(DEBUG,"readfile: loaded %s, %lu lines",fname,(unsigned long)F.size());
-}
-
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 dbg[MAXBUF],pauseval[MAXBUF],Value[MAXBUF],timeout[MAXBUF],NB[MAXBUF],flood[MAXBUF],MW[MAXBUF],MCON[MAXBUF];
+ char AH[MAXBUF],AP[MAXBUF],AF[MAXBUF],DNT[MAXBUF],pfreq[MAXBUF],thold[MAXBUF],sqmax[MAXBUF],rqmax[MAXBUF];
ConnectClass c;
std::stringstream errstr;
ConfValue("dns","timeout",0,DNT,&config_f);
ConfValue("options","moduledir",0,ModPath,&config_f);
ConfValue("disabled","commands",0,DisabledCommands,&config_f);
+ ConfValue("options","somaxconn",0,MCON,&config_f);
+ MaxConn = atoi(MCON);
+ if (MaxConn > SOMAXCONN)
+ log(DEFAULT,"WARNING: <options:somaxconn> value may be higher than the system-defined SOMAXCONN value!");
NetBufferSize = atoi(NB);
MaxWhoResults = atoi(MW);
dns_timeout = atoi(DNT);
if (!dns_timeout)
dns_timeout = 5;
+ if (!MaxConn)
+ MaxConn = SOMAXCONN;
if (!DNSServer[0])
strlcpy(DNSServer,"127.0.0.1",MAXBUF);
if (!ModPath[0])
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);
+ ConfValue("connect","sendq",i,sqmax,&config_f);
+ ConfValue("connect","recvq",i,rqmax,&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;
+ c.sendqmax = 262144; // 256k
+ c.recvqmax = 4096; // 4k
+ if (atoi(thold)>0)
+ {
+ c.threshold = atoi(thold);
+ }
+ if (atoi(sqmax)>0)
+ {
+ c.sendqmax = atoi(sqmax);
+ }
+ if (atoi(rqmax)>0)
+ {
+ c.recvqmax = atoi(rqmax);
+ }
if (atoi(timeout)>0)
{
c.registration_timeout = atoi(timeout);
old_module_names.push_back(*t);
}
- // get the new module names
- for (int count2 = 0; count2 < ConfValueEnum("module",&config_f); count2++)
- {
- ConfValue("module","name",count2,Value,&config_f);
- new_module_names.push_back(Value);
- }
-
- // now create a list of new modules that are due to be loaded
- // and a seperate list of modules which are due to be unloaded
- for (std::vector<std::string>::iterator _new = new_module_names.begin(); _new != new_module_names.end(); _new++)
- {
- bool added = true;
- for (std::vector<std::string>::iterator old = old_module_names.begin(); old != old_module_names.end(); old++)
- {
- if (*old == *_new)
- added = false;
- }
- if (added)
- added_modules.push_back(*_new);
- }
- for (std::vector<std::string>::iterator oldm = old_module_names.begin(); oldm != old_module_names.end(); oldm++)
- {
- bool removed = true;
- for (std::vector<std::string>::iterator newm = new_module_names.begin(); newm != new_module_names.end(); newm++)
- {
- if (*newm == *oldm)
- removed = false;
- }
- if (removed)
- removed_modules.push_back(*oldm);
- }
- // now we have added_modules, a vector of modules to be loaded, and removed_modules, a vector of modules
- // to be removed.
- int rem = 0, add = 0;
- if (!removed_modules.empty())
- for (std::vector<std::string>::iterator removing = removed_modules.begin(); removing != removed_modules.end(); removing++)
- {
- if (UnloadModule(removing->c_str()))
- {
- WriteOpers("*** REHASH UNLOADED MODULE: %s",removing->c_str());
- WriteServ(user->fd,"973 %s %s :Module %s successfully unloaded.",user->nick, removing->c_str(), removing->c_str());
- rem++;
- }
- else
- {
- WriteServ(user->fd,"972 %s %s :Failed to unload module %s: %s",user->nick, removing->c_str(), removing->c_str(), ModuleError());
- }
- }
- if (!added_modules.empty())
- for (std::vector<std::string>::iterator adding = added_modules.begin(); adding != added_modules.end(); adding++)
- {
- if (LoadModule(adding->c_str()))
- {
- WriteOpers("*** REHASH LOADED MODULE: %s",adding->c_str());
- WriteServ(user->fd,"975 %s %s :Module %s successfully loaded.",user->nick, adding->c_str(), adding->c_str());
- add++;
- }
- else
- {
- WriteServ(user->fd,"974 %s %s :Failed to load module %s: %s",user->nick, adding->c_str(), adding->c_str(), ModuleError());
- }
- }
- log(DEFAULT,"Successfully unloaded %lu of %lu modules and loaded %lu of %lu modules.",(unsigned long)rem,(unsigned long)removed_modules.size(),(unsigned long)add,(unsigned long)added_modules.size());
- }
-}
-
-/* write formatted text to a socket, in same format as printf */
-
-void Write(int sock,char *text, ...)
-{
- if (sock == FD_MAGIC_NUMBER)
- return;
- if (!text)
- {
- log(DEFAULT,"*** BUG *** Write was given an invalid parameter");
- return;
- }
- char textbuffer[MAXBUF];
- va_list argsPtr;
- char tb[MAXBUF];
-
- va_start (argsPtr, text);
- vsnprintf(textbuffer, MAXBUF, text, argsPtr);
- va_end(argsPtr);
- int bytes = snprintf(tb,MAXBUF,"%s\r\n",textbuffer);
- chop(tb);
- if (sock != -1)
- {
- write(sock,tb,bytes > 514 ? 514 : bytes);
- }
-}
-
-/* write a server formatted numeric response to a single socket */
-
-void WriteServ(int sock, char* text, ...)
-{
- if (sock == FD_MAGIC_NUMBER)
- return;
- if (!text)
- {
- log(DEFAULT,"*** BUG *** WriteServ was given an invalid parameter");
- return;
- }
- char textbuffer[MAXBUF],tb[MAXBUF];
- va_list argsPtr;
- va_start (argsPtr, text);
-
- vsnprintf(textbuffer, MAXBUF, text, argsPtr);
- va_end(argsPtr);
- int bytes = snprintf(tb,MAXBUF,":%s %s\r\n",ServerName,textbuffer);
- chop(tb);
- if (sock != -1)
- {
- write(sock,tb,bytes > 514 ? 514 : bytes);
- }
-}
-
-/* write text from an originating user to originating user */
-
-void WriteFrom(int sock, userrec *user,char* text, ...)
-{
- if (sock == FD_MAGIC_NUMBER)
- return;
- if ((!text) || (!user))
- {
- log(DEFAULT,"*** BUG *** WriteFrom was given an invalid parameter");
- return;
- }
- char textbuffer[MAXBUF],tb[MAXBUF];
- va_list argsPtr;
- va_start (argsPtr, text);
-
- vsnprintf(textbuffer, MAXBUF, text, argsPtr);
- va_end(argsPtr);
- int bytes = snprintf(tb,MAXBUF,":%s!%s@%s %s\r\n",user->nick,user->ident,user->dhost,textbuffer);
- chop(tb);
- if (sock != -1)
- {
- log(DEBUG,"DATAOUT: %s",tb);
- write(sock,tb,bytes > 514 ? 514 : bytes);
- }
-}
-
-/* write text to an destination user from a source user (e.g. user privmsg) */
-
-void WriteTo(userrec *source, userrec *dest,char *data, ...)
-{
- if ((!dest) || (!data))
- {
- log(DEFAULT,"*** BUG *** WriteTo was given an invalid parameter");
- return;
- }
- if (dest->fd == FD_MAGIC_NUMBER)
- return;
- char textbuffer[MAXBUF],tb[MAXBUF];
- va_list argsPtr;
- va_start (argsPtr, data);
- vsnprintf(textbuffer, MAXBUF, data, argsPtr);
- va_end(argsPtr);
- chop(tb);
-
- // if no source given send it from the server.
- if (!source)
- {
- WriteServ(dest->fd,":%s %s",ServerName,textbuffer);
- }
- else
- {
- WriteFrom(dest->fd,source,"%s",textbuffer);
- }
-}
-
-/* write formatted text from a source user to all users on a channel
- * including the sender (NOT for privmsg, notice etc!) */
-
-void WriteChannel(chanrec* Ptr, userrec* user, char* text, ...)
-{
- if ((!Ptr) || (!user) || (!text))
- {
- log(DEFAULT,"*** BUG *** WriteChannel was given an invalid parameter");
- return;
- }
- char textbuffer[MAXBUF];
- va_list argsPtr;
- va_start (argsPtr, text);
- vsnprintf(textbuffer, MAXBUF, text, argsPtr);
- va_end(argsPtr);
-
- std::vector<char*> *ulist = Ptr->GetUsers();
- for (int j = 0; j < ulist->size(); j++)
- {
- char* o = (*ulist)[j];
- userrec* otheruser = (userrec*)o;
- if (otheruser->fd != FD_MAGIC_NUMBER)
- WriteTo(user,otheruser,"%s",textbuffer);
- }
-}
-
-/* write formatted text from a source user to all users on a channel
- * including the sender (NOT for privmsg, notice etc!) doesnt send to
- * users on remote servers */
-
-void WriteChannelLocal(chanrec* Ptr, userrec* user, char* text, ...)
-{
- if ((!Ptr) || (!text))
- {
- log(DEFAULT,"*** BUG *** WriteChannel was given an invalid parameter");
- return;
- }
- char textbuffer[MAXBUF];
- va_list argsPtr;
- va_start (argsPtr, text);
- vsnprintf(textbuffer, MAXBUF, text, argsPtr);
- va_end(argsPtr);
-
- std::vector<char*> *ulist = Ptr->GetUsers();
- for (int j = 0; j < ulist->size(); j++)
- {
- char* o = (*ulist)[j];
- userrec* otheruser = (userrec*)o;
- if ((otheruser->fd != FD_MAGIC_NUMBER) && (otheruser->fd != -1) && (otheruser != user))
- {
- if (!user)
- {
- WriteServ(otheruser->fd,"%s",textbuffer);
- }
- else
- {
- WriteTo(user,otheruser,"%s",textbuffer);
- }
- }
- }
-}
-
-
-void WriteChannelWithServ(char* ServName, chanrec* Ptr, char* text, ...)
-{
- if ((!Ptr) || (!text))
- {
- log(DEFAULT,"*** BUG *** WriteChannelWithServ was given an invalid parameter");
- return;
- }
- char textbuffer[MAXBUF];
- va_list argsPtr;
- va_start (argsPtr, text);
- vsnprintf(textbuffer, MAXBUF, text, argsPtr);
- va_end(argsPtr);
-
-
- std::vector<char*> *ulist = Ptr->GetUsers();
- for (int j = 0; j < ulist->size(); j++)
- {
- char* o = (*ulist)[j];
- userrec* otheruser = (userrec*)o;
- if (otheruser->fd != FD_MAGIC_NUMBER)
- WriteServ(otheruser->fd,"%s",textbuffer);
- }
-}
-
-
-/* write formatted text from a source user to all users on a channel except
- * for the sender (for privmsg etc) */
-
-void ChanExceptSender(chanrec* Ptr, userrec* user, char* text, ...)
-{
- if ((!Ptr) || (!user) || (!text))
- {
- log(DEFAULT,"*** BUG *** ChanExceptSender was given an invalid parameter");
- return;
- }
- char textbuffer[MAXBUF];
- va_list argsPtr;
- va_start (argsPtr, text);
- vsnprintf(textbuffer, MAXBUF, text, argsPtr);
- va_end(argsPtr);
-
- std::vector<char*> *ulist = Ptr->GetUsers();
- for (int j = 0; j < ulist->size(); j++)
- {
- char* o = (*ulist)[j];
- userrec* otheruser = (userrec*)o;
- if ((otheruser->fd != FD_MAGIC_NUMBER) && (user != otheruser))
- WriteFrom(otheruser->fd,user,"%s",textbuffer);
- }
-}
-
-
-std::string GetServerDescription(char* servername)
-{
- for (int j = 0; j < 32; j++)
- {
- if (me[j] != NULL)
- {
- for (int k = 0; k < me[j]->connectors.size(); k++)
- {
- if (!strcasecmp(me[j]->connectors[k].GetServerName().c_str(),servername))
- {
- return me[j]->connectors[k].GetDescription();
- }
- }
- }
- return ServerDesc; // not a remote server that can be found, it must be me.
- }
-}
-
-
-/* write a formatted string to all users who share at least one common
- * channel, including the source user e.g. for use in NICK */
-
-void WriteCommon(userrec *u, char* text, ...)
-{
- if (!u)
- {
- log(DEFAULT,"*** BUG *** WriteCommon was given an invalid parameter");
- return;
- }
-
- if (u->registered != 7) {
- log(DEFAULT,"*** BUG *** WriteCommon on an unregistered user");
- return;
- }
-
- char textbuffer[MAXBUF];
- va_list argsPtr;
- va_start (argsPtr, text);
- vsnprintf(textbuffer, MAXBUF, text, argsPtr);
- va_end(argsPtr);
-
- WriteFrom(u->fd,u,"%s",textbuffer);
-
- for (int i = 0; i < MAXCHANS; i++)
- {
- if (u->chans[i].channel)
- {
- std::vector<char*> *ulist = u->chans[i].channel->GetUsers();
- for (int j = 0; j < ulist->size(); j++)
- {
- char* o = (*ulist)[j];
- userrec* otheruser = (userrec*)o;
- WriteFrom(otheruser->fd,u,"%s",textbuffer);
- }
- }
- }
-}
-
-/* write a formatted string to all users who share at least one common
- * channel, NOT including the source user e.g. for use in QUIT */
-
-void WriteCommonExcept(userrec *u, char* text, ...)
-{
- if (!u)
- {
- log(DEFAULT,"*** BUG *** WriteCommon was given an invalid parameter");
- return;
- }
-
- if (u->registered != 7) {
- log(DEFAULT,"*** BUG *** WriteCommon on an unregistered user");
- return;
- }
-
- char textbuffer[MAXBUF];
- va_list argsPtr;
- va_start (argsPtr, text);
- vsnprintf(textbuffer, MAXBUF, text, argsPtr);
- va_end(argsPtr);
-
- for (int i = 0; i < MAXCHANS; i++)
- {
- if (u->chans[i].channel)
- {
- std::vector<char*> *ulist = u->chans[i].channel->GetUsers();
- for (int j = 0; j < ulist->size(); j++)
- {
- char* o = (*ulist)[j];
- userrec* otheruser = (userrec*)o;
- if (u != otheruser)
- WriteFrom(otheruser->fd,u,"%s",textbuffer);
- }
- }
- }
-}
-
-void WriteOpers(char* text, ...)
-{
- if (!text)
- {
- log(DEFAULT,"*** BUG *** WriteOpers 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 :%s",a->nick,textbuffer);
- }
- }
- }
-}
-
-// returns TRUE of any users on channel C occupy server 'servername'.
-
-bool ChanAnyOnThisServer(chanrec *c,char* servername)
-{
- log(DEBUG,"ChanAnyOnThisServer");
-
- std::vector<char*> *ulist = c->GetUsers();
- for (int j = 0; j < ulist->size(); j++)
- {
- char* o = (*ulist)[j];
- userrec* user = (userrec*)o;
- if (!strcasecmp(user->server,servername))
- return true;
- }
- return false;
-}
-
-// returns true if user 'u' shares any common channels with any users on server 'servername'
-
-bool CommonOnThisServer(userrec* u,const char* servername)
-{
- log(DEBUG,"ChanAnyOnThisServer");
-
- for (int i = 0; i < MAXCHANS; i++)
- {
- if (u->chans[i].channel)
- {
- std::vector<char*> *ulist = u->chans[i].channel->GetUsers();
- for (int j = 0; j < ulist->size(); j++)
- {
- char* o = (*ulist)[j];
- userrec* user = (userrec*)o;
- if (!strcasecmp(user->server,servername))
- return true;
- }
- }
- }
- return false;
-}
-
-
-void NetSendToCommon(userrec* u, char* s)
-{
- char buffer[MAXBUF];
- snprintf(buffer,MAXBUF,"%s",s);
-
- log(DEBUG,"NetSendToCommon: '%s' '%s'",u->nick,s);
-
- std::string msg = buffer;
- FOREACH_MOD OnPacketTransmit(msg,s);
- strlcpy(buffer,msg.c_str(),MAXBUF);
-
- for (int j = 0; j < 32; j++)
- {
- if (me[j] != NULL)
- {
- for (int k = 0; k < me[j]->connectors.size(); k++)
- {
- if (CommonOnThisServer(u,me[j]->connectors[k].GetServerName().c_str()))
- {
- me[j]->SendPacket(buffer,me[j]->connectors[k].GetServerName().c_str());
- }
- }
- }
- }
-}
-
-
-void NetSendToAll(char* s)
-{
- char buffer[MAXBUF];
- snprintf(buffer,MAXBUF,"%s",s);
-
- log(DEBUG,"NetSendToAll: '%s'",s);
-
- std::string msg = buffer;
- FOREACH_MOD OnPacketTransmit(msg,s);
- strlcpy(buffer,msg.c_str(),MAXBUF);
-
- for (int j = 0; j < 32; j++)
- {
- if (me[j] != NULL)
- {
- for (int k = 0; k < me[j]->connectors.size(); k++)
- {
- me[j]->SendPacket(buffer,me[j]->connectors[k].GetServerName().c_str());
- }
- }
- }
-}
-
-void NetSendToAllAlive(char* s)
-{
- char buffer[MAXBUF];
- snprintf(buffer,MAXBUF,"%s",s);
-
- log(DEBUG,"NetSendToAllAlive: '%s'",s);
-
- std::string msg = buffer;
- FOREACH_MOD OnPacketTransmit(msg,s);
- strlcpy(buffer,msg.c_str(),MAXBUF);
-
- for (int j = 0; j < 32; j++)
- {
- if (me[j] != NULL)
- {
- for (int k = 0; k < me[j]->connectors.size(); k++)
- {
- if (me[j]->connectors[k].GetState() != STATE_DISCONNECTED)
- {
- me[j]->SendPacket(buffer,me[j]->connectors[k].GetServerName().c_str());
- }
- else
- {
- log(DEBUG,"%s is dead, not sending to it.",me[j]->connectors[k].GetServerName().c_str());
- }
- }
- }
- }
-}
-
-
-void NetSendToOne(char* target,char* s)
-{
- char buffer[MAXBUF];
- snprintf(buffer,MAXBUF,"%s",s);
-
- log(DEBUG,"NetSendToOne: '%s' '%s'",target,s);
-
- std::string msg = buffer;
- FOREACH_MOD OnPacketTransmit(msg,s);
- strlcpy(buffer,msg.c_str(),MAXBUF);
-
- for (int j = 0; j < 32; j++)
- {
- if (me[j] != NULL)
- {
- for (int k = 0; k < me[j]->connectors.size(); k++)
- {
- if (!strcasecmp(me[j]->connectors[k].GetServerName().c_str(),target))
- {
- me[j]->SendPacket(buffer,me[j]->connectors[k].GetServerName().c_str());
- }
- }
- }
- }
-}
-
-void NetSendToAllExcept(const char* target,char* s)
-{
- char buffer[MAXBUF];
- snprintf(buffer,MAXBUF,"%s",s);
-
- log(DEBUG,"NetSendToAllExcept: '%s' '%s'",target,s);
-
- std::string msg = buffer;
- FOREACH_MOD OnPacketTransmit(msg,s);
- strlcpy(buffer,msg.c_str(),MAXBUF);
-
- for (int j = 0; j < 32; j++)
- {
- if (me[j] != NULL)
- {
- for (int k = 0; k < me[j]->connectors.size(); k++)
- {
- if (strcasecmp(me[j]->connectors[k].GetServerName().c_str(),target))
- {
- me[j]->SendPacket(buffer,me[j]->connectors[k].GetServerName().c_str());
- }
- }
- }
- }
-}
-
-
-void WriteMode(const char* modes, int flags, const char* text, ...)
-{
- if ((!text) || (!modes) || (!flags))
- {
- log(DEFAULT,"*** BUG *** WriteMode was given an invalid parameter");
- return;
- }
-
- char textbuffer[MAXBUF];
- va_list argsPtr;
- va_start (argsPtr, text);
- vsnprintf(textbuffer, MAXBUF, text, argsPtr);
- va_end(argsPtr);
- int modelen = strlen(modes);
-
- for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
- {
- if ((i->second) && (i->second->fd != FD_MAGIC_NUMBER))
- {
- bool send_to_user = false;
-
- if (flags == WM_AND)
- {
- send_to_user = true;
- for (int n = 0; n < modelen; n++)
- {
- if (!hasumode(i->second,modes[n]))
- {
- send_to_user = false;
- break;
- }
- }
- }
- else if (flags == WM_OR)
- {
- send_to_user = false;
- for (int n = 0; n < modelen; n++)
- {
- if (hasumode(i->second,modes[n]))
- {
- send_to_user = true;
- break;
- }
- }
- }
-
- if (send_to_user)
- {
- WriteServ(i->second->fd,"NOTICE %s :%s",i->second->nick,textbuffer);
- }
- }
- }
-}
-
-
-void WriteWallOps(userrec *source, bool local_only, char* text, ...)
-{
- if ((!text) || (!source))
- {
- log(DEFAULT,"*** BUG *** WriteOpers 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))
- {
- if (strchr(i->second->modes,'w'))
- {
- WriteTo(source,i->second,"WALLOPS :%s",textbuffer);
- }
- }
- }
-
- if (!local_only)
- {
- char buffer[MAXBUF];
- snprintf(buffer,MAXBUF,"@ %s :%s",source->nick,textbuffer);
- NetSendToAll(buffer);
- }
-}
-
-/* convert a string to lowercase. Note following special circumstances
- * taken from RFC 1459. Many "official" server branches still hold to this
- * rule so i will too;
- *
- * Because of IRC's scandanavian origin, the characters {}| are
- * considered to be the lower case equivalents of the characters []\,
- * respectively. This is a critical issue when determining the
- * equivalence of two nicknames.
- */
-
-void strlower(char *n)
-{
- if (!n)
- {
- return;
- }
- for (int i = 0; n[i] != 0; i++)
- {
- n[i] = tolower(n[i]);
- if (n[i] == '[')
- n[i] = '{';
- if (n[i] == ']')
- n[i] = '}';
- if (n[i] == '\\')
- n[i] = '|';
- }
-}
-
-
-
-/* Find a user record by nickname and return a pointer to it */
-
-userrec* Find(std::string nick)
-{
- user_hash::iterator iter = clientlist.find(nick);
-
- if (iter == clientlist.end())
- /* Couldn't find it */
- return NULL;
-
- return iter->second;
-}
-
-/* find a channel record by channel name and return a pointer to it */
-
-chanrec* FindChan(const char* chan)
-{
- if (!chan)
- {
- log(DEFAULT,"*** BUG *** Findchan was given an invalid parameter");
- return NULL;
- }
-
- chan_hash::iterator iter = chanlist.find(chan);
-
- if (iter == chanlist.end())
- /* Couldn't find it */
- return NULL;
-
- return iter->second;
-}
-
-
-long GetMaxBans(char* name)
-{
- char CM[MAXBUF];
- for (int count = 0; count < ConfValueEnum("banlist",&config_f); count++)
- {
- ConfValue("banlist","chan",count,CM,&config_f);
- if (match(name,CM))
- {
- ConfValue("banlist","limit",count,CM,&config_f);
- return atoi(CM);
- }
- }
- return 64;
-}
-
-
-void purge_empty_chans(userrec* u)
-{
-
- int go_again = 1, purge = 0;
-
- // firstly decrement the count on each channel
- for (int f = 0; f < MAXCHANS; f++)
- {
- if (u->chans[f].channel)
+ // get the new module names
+ for (int count2 = 0; count2 < ConfValueEnum("module",&config_f); count2++)
{
- u->chans[f].channel->DecUserCounter();
- u->chans[f].channel->DelUser((char*)u);
+ ConfValue("module","name",count2,Value,&config_f);
+ new_module_names.push_back(Value);
}
- }
- for (int i = 0; i < MAXCHANS; i++)
- {
- if (u->chans[i].channel)
+ // now create a list of new modules that are due to be loaded
+ // and a seperate list of modules which are due to be unloaded
+ for (std::vector<std::string>::iterator _new = new_module_names.begin(); _new != new_module_names.end(); _new++)
{
- if (!usercount(u->chans[i].channel))
- {
- chan_hash::iterator i2 = chanlist.find(u->chans[i].channel->name);
- /* kill the record */
- if (i2 != chanlist.end())
- {
- log(DEBUG,"del_channel: destroyed: %s",i2->second->name);
- if (i2->second)
- delete i2->second;
- chanlist.erase(i2);
- go_again = 1;
- purge++;
- u->chans[i].channel = NULL;
- }
- }
- else
+ bool added = true;
+ for (std::vector<std::string>::iterator old = old_module_names.begin(); old != old_module_names.end(); old++)
{
- log(DEBUG,"skipped purge for %s",u->chans[i].channel->name);
+ if (*old == *_new)
+ added = false;
}
+ if (added)
+ added_modules.push_back(*_new);
}
- }
- log(DEBUG,"completed channel purge, killed %lu",(unsigned long)purge);
-
- DeleteOper(u);
-}
-
-
-char scratch[MAXBUF];
-char sparam[MAXBUF];
-
-char* chanmodes(chanrec *chan)
-{
- if (!chan)
- {
- log(DEFAULT,"*** BUG *** chanmodes was given an invalid parameter");
- strcpy(scratch,"");
- return scratch;
- }
-
- strcpy(scratch,"");
- strcpy(sparam,"");
- if (chan->noexternal)
- {
- strlcat(scratch,"n",MAXMODES);
- }
- if (chan->topiclock)
- {
- strlcat(scratch,"t",MAXMODES);
- }
- if (chan->key[0])
- {
- strlcat(scratch,"k",MAXMODES);
- }
- if (chan->limit)
- {
- strlcat(scratch,"l",MAXMODES);
- }
- if (chan->inviteonly)
- {
- strlcat(scratch,"i",MAXMODES);
- }
- if (chan->moderated)
- {
- strlcat(scratch,"m",MAXMODES);
- }
- if (chan->secret)
- {
- strlcat(scratch,"s",MAXMODES);
- }
- if (chan->c_private)
- {
- strlcat(scratch,"p",MAXMODES);
- }
- if (chan->key[0])
- {
- strlcat(sparam," ",MAXBUF);
- strlcat(sparam,chan->key,MAXBUF);
- }
- if (chan->limit)
- {
- char foo[24];
- sprintf(foo," %lu",(unsigned long)chan->limit);
- strlcat(sparam,foo,MAXBUF);
- }
- if (*chan->custom_modes)
- {
- strlcat(scratch,chan->custom_modes,MAXMODES);
- for (int z = 0; chan->custom_modes[z] != 0; z++)
+ for (std::vector<std::string>::iterator oldm = old_module_names.begin(); oldm != old_module_names.end(); oldm++)
{
- std::string extparam = chan->GetModeParameter(chan->custom_modes[z]);
- if (extparam != "")
+ bool removed = true;
+ for (std::vector<std::string>::iterator newm = new_module_names.begin(); newm != new_module_names.end(); newm++)
{
- strlcat(sparam," ",MAXBUF);
- strlcat(sparam,extparam.c_str(),MAXBUF);
+ if (*newm == *oldm)
+ removed = false;
}
+ if (removed)
+ removed_modules.push_back(*oldm);
}
- }
- log(DEBUG,"chanmodes: %s %s%s",chan->name,scratch,sparam);
- strlcat(scratch,sparam,MAXMODES);
- return scratch;
-}
-
-
-/* compile a userlist of a channel into a string, each nick seperated by
- * spaces and op, voice etc status shown as @ and + */
-
-void userlist(userrec *user,chanrec *c)
-{
- if ((!c) || (!user))
- {
- log(DEFAULT,"*** BUG *** userlist was given an invalid parameter");
- return;
- }
-
- snprintf(list,MAXBUF,"353 %s = %s :", user->nick, c->name);
- for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
- {
- if (has_channel(i->second,c))
+ // now we have added_modules, a vector of modules to be loaded, and removed_modules, a vector of modules
+ // to be removed.
+ int rem = 0, add = 0;
+ if (!removed_modules.empty())
+ for (std::vector<std::string>::iterator removing = removed_modules.begin(); removing != removed_modules.end(); removing++)
{
- if (isnick(i->second->nick))
+ if (UnloadModule(removing->c_str()))
{
- if ((!has_channel(i->second,c)) && (strchr(i->second->modes,'i')))
- {
- /* user is +i, and source not on the channel, does not show
- * nick in NAMES list */
- continue;
- }
- strlcat(list,cmode(i->second,c),MAXBUF);
- strlcat(list,i->second->nick,MAXBUF);
- strlcat(list," ",MAXBUF);
- if (strlen(list)>(480-NICKMAX))
- {
- /* list overflowed into
- * multiple numerics */
- WriteServ(user->fd,"%s",list);
- snprintf(list,MAXBUF,"353 %s = %s :", user->nick, c->name);
- }
+ WriteOpers("*** REHASH UNLOADED MODULE: %s",removing->c_str());
+ WriteServ(user->fd,"973 %s %s :Module %s successfully unloaded.",user->nick, removing->c_str(), removing->c_str());
+ rem++;
+ }
+ else
+ {
+ WriteServ(user->fd,"972 %s %s :Failed to unload module %s: %s",user->nick, removing->c_str(), removing->c_str(), ModuleError());
}
}
- }
- /* if whats left in the list isnt empty, send it */ if (list[strlen(list)-1] != ':')
- {
- WriteServ(user->fd,"%s",list);
- }
-}
-
-/* return a count of the users on a specific channel accounting for
- * invisible users who won't increase the count. e.g. for /LIST */
-
-int usercount_i(chanrec *c)
-{
- int count = 0;
-
- if (!c)
- {
- log(DEFAULT,"*** BUG *** usercount_i was given an invalid parameter");
- return 0;
- }
-
- strcpy(list,"");
- for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
- {
- if (i->second)
+ if (!added_modules.empty())
+ for (std::vector<std::string>::iterator adding = added_modules.begin(); adding != added_modules.end(); adding++)
{
- if (has_channel(i->second,c))
+ if (LoadModule(adding->c_str()))
{
- if (isnick(i->second->nick))
- {
- if ((!has_channel(i->second,c)) && (strchr(i->second->modes,'i')))
- {
- /* user is +i, and source not on the channel, does not show
- * nick in NAMES list */
- continue;
- }
- count++;
- }
+ WriteOpers("*** REHASH LOADED MODULE: %s",adding->c_str());
+ WriteServ(user->fd,"975 %s %s :Module %s successfully loaded.",user->nick, adding->c_str(), adding->c_str());
+ add++;
+ }
+ else
+ {
+ WriteServ(user->fd,"974 %s %s :Failed to load module %s: %s",user->nick, adding->c_str(), adding->c_str(), ModuleError());
}
}
+ log(DEFAULT,"Successfully unloaded %lu of %lu modules and loaded %lu of %lu modules.",(unsigned long)rem,(unsigned long)removed_modules.size(),(unsigned long)add,(unsigned long)added_modules.size());
}
- log(DEBUG,"usercount_i: %s %lu",c->name,(unsigned long)count);
- return count;
-}
-
-
-int usercount(chanrec *c)
-{
- if (!c)
- {
- log(DEFAULT,"*** BUG *** usercount was given an invalid parameter");
- return 0;
- }
- int count = c->GetUserCounter();
- log(DEBUG,"usercount: %s %lu",c->name,(unsigned long)count);
- return count;
}
chanlist[cname] = new chanrec();
strlcpy(chanlist[cname]->name, cname,CHANMAX);
- chanlist[cname]->topiclock = 1;
- chanlist[cname]->noexternal = 1;
+ chanlist[cname]->binarymodes = CM_TOPICLOCK | CM_NOEXTERNAL;
chanlist[cname]->created = TIME;
strcpy(chanlist[cname]->topic, "");
strncpy(chanlist[cname]->setby, user->nick,NICKMAX);
FOREACH_RESULT(OnCheckInvite(user, Ptr));
if (MOD_RESULT == 0)
{
- if (Ptr->inviteonly)
+ if (Ptr->binarymodes & CM_INVITEONLY)
{
log(DEBUG,"add_channel: channel is +i");
if (user->IsInvited(Ptr->name))
user->chans[index].uc_modes = 0;
}
user->chans[index].channel = Ptr;
- Ptr->IncUserCounter();
Ptr->AddUser((char*)user);
WriteChannel(Ptr,user,"JOIN :%s",Ptr->name);
}
}
- Ptr->DecUserCounter();
Ptr->DelUser((char*)user);
/* if there are no users left on the channel */
if (iter != chanlist.end())
{
log(DEBUG,"del_channel: destroyed: %s",Ptr->name);
- if (iter->second) delete iter->second;
+ delete Ptr;
chanlist.erase(iter);
}
}
}
}
- Ptr->DecUserCounter();
Ptr->DelUser((char*)user);
/* if there are no users left on the channel */
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)
{
- shutdown(user->fd,2);
- close(user->fd);
+ FOREACH_MOD OnRawSocketClose(user->fd);
+#ifdef USE_KQUEUE
+ struct kevent ke;
+ EV_SET(&ke, user->fd, EVFILT_READ, EV_DELETE, 0, 0, NULL);
+ int i = kevent(kq, &ke, 1, 0, 0, NULL);
+ if (i == -1)
+ {
+ log(DEBUG,"kqueue: Failed to remove user from queue!");
+ }
+#endif
+#ifdef USE_EPOLL
+ struct epoll_event ev;
+ ev.events = EPOLLIN | EPOLLET;
+ ev.data.fd = user->fd;
+ int i = epoll_ctl(ep, EPOLL_CTL_DEL, user->fd, &ev);
+ if (i < 0)
+ {
+ log(DEBUG,"epoll: List deletion failure!");
+ }
+#endif
+ shutdown(user->fd,2);
+ close(user->fd);
}
if (user->registered == 7) {
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;
clientlist.erase(iter);
}
+ delete user;
}
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);
+#ifdef USE_KQUEUE
+ struct kevent ke;
+ EV_SET(&ke, user->fd, EVFILT_READ, EV_DELETE, 0, 0, NULL);
+ int i = kevent(kq, &ke, 1, 0, 0, NULL);
+ if (i == -1)
+ {
+ log(DEBUG,"kqueue: Failed to remove user from queue!");
+ }
+#endif
+#ifdef USE_EPOLL
+ struct epoll_event ev;
+ ev.events = EPOLLIN | EPOLLET;
+ ev.data.fd = user->fd;
+ int i = epoll_ctl(ep, EPOLL_CTL_DEL, user->fd, &ev);
+ if (i < 0)
+ {
+ log(DEBUG,"epoll: List deletion failure!");
+ }
+#endif
shutdown(user->fd,2);
close(user->fd);
}
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;
clientlist.erase(iter);
}
+ delete user;
}
-
-// looks up a users password for their connection class (<ALLOW>/<DENY> tags)
-
-char* Passwd(userrec *user)
-{
- for (ClassVector::iterator i = Classes.begin(); i != Classes.end(); i++)
- {
- if (match(user->host,i->host) && (i->type == CC_ALLOW))
- {
- return i->pass;
- }
- }
- return "";
-}
-
-bool IsDenied(userrec *user)
-{
- for (ClassVector::iterator i = Classes.begin(); i != Classes.end(); i++)
- {
- if (match(user->host,i->host) && (i->type == CC_DENY))
- {
- return true;
- }
- }
- return false;
-}
-
-
-
-
-/* sends out an error notice to all connected clients (not to be used
- * lightly!) */
-
-void send_error(char *s)
-{
- log(DEBUG,"send_error: %s",s);
- for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
- {
- if (isnick(i->second->nick))
- {
- WriteServ(i->second->fd,"NOTICE %s :%s",i->second->nick,s);
- }
- else
- {
- // fix - unregistered connections receive ERROR, not NOTICE
- Write(i->second->fd,"ERROR :%s",s);
- }
- }
-}
-
-void Error(int status)
-{
- signal (SIGALRM, SIG_IGN);
- signal (SIGPIPE, SIG_IGN);
- signal (SIGTERM, SIG_IGN);
- signal (SIGABRT, SIG_IGN);
- signal (SIGSEGV, SIG_IGN);
- signal (SIGURG, SIG_IGN);
- signal (SIGKILL, SIG_IGN);
- log(DEFAULT,"*** fell down a pothole in the road to perfection ***");
- send_error("Error! Segmentation fault! save meeeeeeeeeeeeee *splat!*");
- Exit(status);
-}
-
-
-int main(int argc, char **argv)
+int main(int argc, char** argv)
{
Start();
srand(time(NULL));
}
strlcpy(MyExecutable,argv[0],MAXBUF);
- if (InspIRCd() == ERROR)
+ // initialize the lowercase mapping table
+ for (int cn = 0; cn < 256; cn++)
+ lowermap[cn] = cn;
+ // lowercase the uppercase chars
+ for (int cn = 65; cn < 91; cn++)
+ lowermap[cn] = tolower(cn);
+ // now replace the specific chars for scandanavian comparison
+ lowermap['['] = '{';
+ lowermap[']'] = '}';
+ lowermap['\\'] = '|';
+
+ if (InspIRCd(argv,argc) == ERROR)
{
log(DEFAULT,"main: daemon function bailed");
printf("ERROR: could not initialise. Shutting down.\n");
log(DEBUG,"ReHashNick: Found hashed nick %s",Old);
- clientlist[New] = new userrec();
- clientlist[New] = oldnick->second;
+ userrec* olduser = oldnick->second;
+ clientlist[New] = olduser;
clientlist.erase(oldnick);
log(DEBUG,"ReHashNick: Nick rehashed as %s",New);
/* adds or updates an entry in the whowas list */
void AddWhoWas(userrec* u)
{
- user_hash::iterator iter = whowas.find(u->nick);
- userrec *a = new userrec();
+ whowas_hash::iterator iter = whowas.find(u->nick);
+ WhoWasUser *a = new WhoWasUser();
strlcpy(a->nick,u->nick,NICKMAX);
- strlcpy(a->ident,u->ident,64);
- strlcpy(a->dhost,u->dhost,256);
- strlcpy(a->host,u->host,256);
+ strlcpy(a->ident,u->ident,15);
+ strlcpy(a->dhost,u->dhost,160);
+ strlcpy(a->host,u->host,160);
strlcpy(a->fullname,u->fullname,128);
strlcpy(a->server,u->server,256);
a->signon = u->signon;
if (iter == whowas.end())
{
- if (whowas.size() == WHOWAS_MAX)
+ if (whowas.size() >= WHOWAS_MAX)
{
- for (user_hash::iterator i = whowas.begin(); i != whowas.end(); i++)
+ for (whowas_hash::iterator i = whowas.begin(); i != whowas.end(); i++)
{
// 3600 seconds in an hour ;)
if ((i->second->signon)<(TIME-(WHOWAS_STALE*3600)))
{
+ // delete the old one
if (i->second) delete i->second;
+ // replace with new one
i->second = a;
log(DEBUG,"added WHOWAS entry, purged an old record");
return;
}
}
+ // no space left and user doesnt exist. Don't leave ram in use!
+ log(DEBUG,"Not able to update whowas (list at WHOWAS_MAX entries and trying to add new?), freeing excess ram");
+ delete a;
}
else
{
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())
+ {
+ userrec* goner = iter->second;
+ delete goner;
+ clientlist.erase(iter);
+ }
/*
* It is OK to access the value here this way since we know
strncpy(clientlist[tempnick]->host, host,160);
strncpy(clientlist[tempnick]->dhost, host,160);
strncpy(clientlist[tempnick]->server, ServerName,256);
- strncpy(clientlist[tempnick]->ident, "unknown",12);
+ strncpy(clientlist[tempnick]->ident, "unknown",15);
clientlist[tempnick]->registered = 0;
clientlist[tempnick]->signon = TIME+dns_timeout;
clientlist[tempnick]->lastping = 1;
clientlist[tempnick]->port = port;
- strncpy(clientlist[tempnick]->ip,ip,32);
+ strncpy(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 = 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;
+ class_sqmax = i->sendqmax;
+ class_rqmax = i->recvqmax;
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;
+ clientlist[tempnick]->sendqmax = class_sqmax;
+ clientlist[tempnick]->recvqmax = class_rqmax;
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 > 65534)
+ {
+ 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;
}
}
-}
-
-// this function counts all users connected, wether they are registered or NOT.
-int usercnt(void)
-{
- return clientlist.size();
-}
-
-// this counts only registered users, so that the percentages in /MAP don't mess up when users are sitting in an unregistered state
-int registered_usercount(void)
-{
- int c = 0;
- for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
- {
- if ((i->second->fd) && (isnick(i->second->nick))) c++;
- }
- return c;
-}
-
-int usercount_invisible(void)
-{
- int c = 0;
-
- for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
- {
- if ((i->second->fd) && (isnick(i->second->nick)) && (strchr(i->second->modes,'i'))) c++;
- }
- return c;
-}
-
-int usercount_opers(void)
-{
- int c = 0;
-
- for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
- {
- if ((i->second->fd) && (isnick(i->second->nick)) && (strchr(i->second->modes,'o'))) c++;
- }
- return c;
-}
-
-int usercount_unknown(void)
-{
- int c = 0;
-
- for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
- {
- if ((i->second->fd) && (i->second->registered != 7))
- c++;
- }
- return c;
-}
-
-long chancount(void)
-{
- return chanlist.size();
-}
-
-long count_servs(void)
-{
- int c = 0;
- for (int i = 0; i < 32; i++)
- {
- if (me[i] != NULL)
- {
- for (vector<ircd_connector>::iterator j = me[i]->connectors.begin(); j != me[i]->connectors.end(); j++)
- {
- if (strcasecmp(j->GetServerName().c_str(),ServerName))
- {
- c++;
- }
- }
- }
- }
- return c;
-}
-
-long servercount(void)
-{
- return count_servs()+1;
-}
+ fd_ref_table[socket] = clientlist[tempnick];
-long local_count()
-{
- int c = 0;
- for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
+#ifdef USE_EPOLL
+ struct epoll_event ev;
+ log(DEBUG,"epoll: Adduser to events, ep=%d socket=%d",ep,socket);
+ ev.events = EPOLLIN | EPOLLET;
+ ev.data.fd = socket;
+ int i = epoll_ctl(ep, EPOLL_CTL_ADD, socket, &ev);
+ if (i < 0)
{
- if ((i->second->fd) && (isnick(i->second->nick)) && (!strcasecmp(i->second->server,ServerName))) c++;
+ log(DEBUG,"epoll: List insertion failure!");
}
- return c;
-}
-
-
-void ShowMOTD(userrec *user)
-{
- std::string WholeMOTD = "";
- if (!MOTD.size())
- {
- WriteServ(user->fd,"422 %s :Message of the day file is missing.",user->nick);
- return;
- }
- WholeMOTD = std::string(":") + std::string(ServerName) + std::string(" 375 ") + std::string(user->nick) + std::string(" :- ") + std::string(ServerName) + " message of the day\r\n";
- for (int i = 0; i != MOTD.size(); i++)
+#endif
+#ifdef USE_KQUEUE
+ struct kevent ke;
+ log(DEBUG,"kqueue: Add user to events, kq=%d socket=%d",kq,socket);
+ EV_SET(&ke, socket, EVFILT_READ, EV_ADD, 0, 0, NULL);
+ int i = kevent(kq, &ke, 1, 0, 0, NULL);
+ if (i == -1)
{
- WholeMOTD = WholeMOTD + std::string(":") + std::string(ServerName) + std::string(" 372 ") + std::string(user->nick) + std::string(" :- ") + MOTD[i] + std::string("\r\n");
+ log(DEBUG,"kqueue: List insertion failure!");
}
- 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);
-
-}
-void ShowRULES(userrec *user)
-{
- if (!RULES.size())
- {
- WriteServ(user->fd,"NOTICE %s :Rules file is missing.",user->nick);
- return;
- }
- WriteServ(user->fd,"NOTICE %s :%s rules",user->nick,ServerName);
- for (int i = 0; i != RULES.size(); i++)
- {
- WriteServ(user->fd,"NOTICE %s :%s",user->nick,RULES[i].c_str());
- }
- WriteServ(user->fd,"NOTICE %s :End of %s rules.",user->nick,ServerName);
+#endif
}
/* shows the message of the day, and any other on-logon stuff */
void FullConnectUser(userrec* user)
{
- user->registered = 7;
+ statsConnects++;
user->idle_lastmsg = TIME;
log(DEBUG,"ConnectUser: %s",user->nick);
}
}
+ // fix by brain: move this below the xline checks to prevent spurious quits going onto the net that dont belong
+ user->registered = 7;
+
WriteServ(user->fd,"NOTICE Auth :Welcome to \002%s\002!",Network);
WriteServ(user->fd,"001 %s :Welcome to the %s IRC Network %s!%s@%s",user->nick,Network,user->nick,user->ident,user->host);
WriteServ(user->fd,"002 %s :Your host is %s, running version %s",user->nick,ServerName,VERSION);
v << "MESHED WALLCHOPS MODES=13 CHANTYPES=# PREFIX=(ohv)@%+ MAP SAFELIST MAXCHANNELS=" << MAXCHANS;
v << " MAXBANS=60 NICKLEN=" << NICKMAX;
v << " TOPICLEN=307 KICKLEN=307 MAXTARGETS=20 AWAYLEN=307 CHANMODES=ohvb,k,l,psmnti NETWORK=";
- v << std::string(Network);
+ v << 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...
}
}
ShowMOTD(user);
- FOREACH_MOD OnUserConnect(user);
- WriteOpers("*** Client connecting on port %lu: %s!%s@%s [%s]",(unsigned long)user->port,user->nick,user->ident,user->host,user->ip);
char buffer[MAXBUF];
snprintf(buffer,MAXBUF,"N %lu %s %s %s %s +%s %s %s :%s",(unsigned long)user->age,user->nick,user->host,user->dhost,user->ident,user->modes,user->ip,ServerName,user->fullname);
- NetSendToAll(buffer);
-}
-
+ NetSendToAll(buffer);
-// this returns 1 when all modules are satisfied that the user should be allowed onto the irc server
-// (until this returns true, a user will block in the waiting state, waiting to connect up to the
-// registration timeout maximum seconds)
-bool AllModulesReportReady(userrec* user)
-{
- for (int i = 0; i <= MODCOUNT; i++)
- {
- int res = modules[i]->OnCheckReady(user);
- if (!res)
- return false;
- }
- return true;
+ // fix by brain: these should be AFTER the N token, so other servers know what the HELL we're on about... :)
+ FOREACH_MOD OnUserConnect(user);
+ 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)
{
}
}
-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;
+#ifdef USE_KQUEUE
+ char socketengine[] = "kqueue";
+#endif
+#ifdef USE_SELECT
+ char socketengine[] = "select";
+#endif
+#ifdef USE_EPOLL
+ char socketengine[] = "epoll";
+#endif
+ snprintf(versiondata,MAXBUF,"%s Rev. %s %s :%s (O=%lu) [SE=%s]",VERSION,v2,ServerName,SYSTEM,(unsigned long)OPTIMISATION,socketengine);
+ 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 (!strcmp(parameters[0],"*"))
+ {
+ for (int j = 0; j < 32; j++)
+ {
+ if (me[j] != NULL)
+ {
+ for (int x = 0; x < me[j]->connectors.size(); x++)
+ {
+ WriteServ(user->fd,"351 %s :Server %d:%d (%s): %s",user->nick,j,x,me[j]->connectors[x].GetServerName().c_str(),me[j]->connectors[x].GetVersionString().c_str());
+ }
+ }
+ }
+ return;
+ }
+ 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;
+ }
+ if (!found)
+ {
+ WriteServ(user->fd,"402 %s %s :No such server",user->nick,parameters[0]);
+ }
+ }
+ return;
}
-char islast(const char* s)
-{
- char c = '`';
- for (int j = 0; j < 32; j++)
- {
- if (me[j] != NULL)
- {
- for (int k = 0; k < me[j]->connectors.size(); k++)
- {
- if (strcasecmp(me[j]->connectors[k].GetServerName().c_str(),s))
- {
- c = '|';
- }
- if (!strcasecmp(me[j]->connectors[k].GetServerName().c_str(),s))
- {
- c = '`';
- }
- }
- }
- }
- return c;
-}
-
-long map_count(const char* s)
-{
- int c = 0;
- for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
- {
- if ((i->second->fd) && (isnick(i->second->nick)) && (!strcasecmp(i->second->server,s))) c++;
- }
- return c;
-}
-
-
void force_nickchange(userrec* user,const char* newnick)
{
char nick[MAXBUF];
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;
}
/* 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);
}
}
if ((!cmd_found) && (user))
{
+ statsUnknown++;
WriteServ(user->fd,"421 %s %s :Unknown command",user->nick,command);
}
}
-
-void createcommand(char* cmd, handlerfunc f, char flags, int minparams,char* source)
-{
- command_t comm;
- /* create the command and push it onto the table */
- strlcpy(comm.command,cmd,MAXBUF);
- strlcpy(comm.source,source,MAXBUF);
- comm.handler_function = f;
- comm.flags_needed = flags;
- comm.min_params = minparams;
- comm.use_count = 0;
- comm.total_bytes = 0;
- cmdlist.push_back(comm);
- log(DEBUG,"Added command %s (%lu parameters)",cmd,(unsigned long)minparams);
-}
-
bool removecommands(const char* source)
{
bool go_again = true;
return true;
}
-void SetupCommandTable(void)
-{
- createcommand("USER",handle_user,0,4,"<core>");
- createcommand("NICK",handle_nick,0,1,"<core>");
- createcommand("QUIT",handle_quit,0,0,"<core>");
- createcommand("VERSION",handle_version,0,0,"<core>");
- createcommand("PING",handle_ping,0,1,"<core>");
- createcommand("PONG",handle_pong,0,1,"<core>");
- createcommand("ADMIN",handle_admin,0,0,"<core>");
- createcommand("PRIVMSG",handle_privmsg,0,2,"<core>");
- createcommand("INFO",handle_info,0,0,"<core>");
- createcommand("TIME",handle_time,0,0,"<core>");
- createcommand("WHOIS",handle_whois,0,1,"<core>");
- createcommand("WALLOPS",handle_wallops,'o',1,"<core>");
- createcommand("NOTICE",handle_notice,0,2,"<core>");
- createcommand("JOIN",handle_join,0,1,"<core>");
- createcommand("NAMES",handle_names,0,0,"<core>");
- createcommand("PART",handle_part,0,1,"<core>");
- createcommand("KICK",handle_kick,0,2,"<core>");
- createcommand("MODE",handle_mode,0,1,"<core>");
- createcommand("TOPIC",handle_topic,0,1,"<core>");
- createcommand("WHO",handle_who,0,1,"<core>");
- createcommand("MOTD",handle_motd,0,0,"<core>");
- createcommand("RULES",handle_rules,0,0,"<core>");
- createcommand("OPER",handle_oper,0,2,"<core>");
- createcommand("LIST",handle_list,0,0,"<core>");
- createcommand("DIE",handle_die,'o',1,"<core>");
- createcommand("RESTART",handle_restart,'o',1,"<core>");
- createcommand("KILL",handle_kill,'o',2,"<core>");
- createcommand("REHASH",handle_rehash,'o',0,"<core>");
- createcommand("LUSERS",handle_lusers,0,0,"<core>");
- createcommand("STATS",handle_stats,0,1,"<core>");
- createcommand("USERHOST",handle_userhost,0,1,"<core>");
- createcommand("AWAY",handle_away,0,0,"<core>");
- createcommand("ISON",handle_ison,0,0,"<core>");
- createcommand("SUMMON",handle_summon,0,0,"<core>");
- createcommand("USERS",handle_users,0,0,"<core>");
- createcommand("INVITE",handle_invite,0,2,"<core>");
- createcommand("PASS",handle_pass,0,1,"<core>");
- createcommand("TRACE",handle_trace,'o',0,"<core>");
- createcommand("WHOWAS",handle_whowas,0,1,"<core>");
- createcommand("CONNECT",handle_connect,'o',1,"<core>");
- createcommand("SQUIT",handle_squit,'o',0,"<core>");
- createcommand("MODULES",handle_modules,0,0,"<core>");
- createcommand("LINKS",handle_links,0,0,"<core>");
- createcommand("MAP",handle_map,0,0,"<core>");
- createcommand("KLINE",handle_kline,'o',1,"<core>");
- createcommand("GLINE",handle_gline,'o',1,"<core>");
- createcommand("ZLINE",handle_zline,'o',1,"<core>");
- createcommand("QLINE",handle_qline,'o',1,"<core>");
- createcommand("ELINE",handle_eline,'o',1,"<core>");
- createcommand("LOADMODULE",handle_loadmodule,'o',1,"<core>");
- createcommand("UNLOADMODULE",handle_unloadmodule,'o',1,"<core>");
- createcommand("SERVER",handle_server,0,0,"<core>");
-}
void process_buffer(const char* cmdbuf,userrec *user)
{
// send start of sync marker: Y <timestamp>
// at this point the ircd receiving it starts broadcasting this netburst to all ircds
// except the ones its receiving it from.
- snprintf(data,MAXBUF,"Y %lu",(unsigned long)TIME);
+ snprintf(data,MAXBUF,"%s Y %lu",CreateSum().c_str(),(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,"%s H %s",CreateSum().c_str(),me[j]->connectors[k].GetServerName().c_str());
+ serv->SendPacket(data,tcp_host);
+ }
+ }
+ }
+ }
+
+ // send our version for the remote side to cache
+ snprintf(data,MAXBUF,"%s v %s %s",CreateSum().c_str(),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);
+ snprintf(data,MAXBUF,"%s N %lu %s %s %s %s +%s %s %s :%s",CreateSum().c_str(),(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);
serv->SendPacket(data,tcp_host);
if (strchr(u->second->modes,'o'))
{
- snprintf(data,MAXBUF,"| %s %s",u->second->nick,u->second->oper);
+ snprintf(data,MAXBUF,"%s | %s %s",CreateSum().c_str(),u->second->nick,u->second->oper);
serv->SendPacket(data,tcp_host);
}
for (int i = 0; i <= MODCOUNT; i++)
string_list l = modules[i]->OnUserSync(u->second);
for (int j = 0; j < l.size(); j++)
{
- strlcpy(data,l[j].c_str(),MAXBUF);
+ snprintf(data,MAXBUF,"%s %s",CreateSum().c_str(),l[j].c_str());
serv->SendPacket(data,tcp_host);
}
}
- char* chl = chlist(u->second);
+ char* chl = chlist(u->second,u->second);
if (strcmp(chl,""))
{
- snprintf(data,MAXBUF,"J %s %s",u->second->nick,chl);
+ snprintf(data,MAXBUF,"%s J %s %s",CreateSum().c_str(),u->second->nick,chl);
serv->SendPacket(data,tcp_host);
}
}
string_list l = modules[i]->OnChannelSync(c->second);
for (int j = 0; j < l.size(); j++)
{
- strlcpy(data,l[j].c_str(),MAXBUF);
+ snprintf(data,MAXBUF,"%s %s",CreateSum().c_str(),l[j].c_str());
serv->SendPacket(data,tcp_host);
}
}
if (c->second->topic[0])
{
- snprintf(data,MAXBUF,"T %lu %s %s :%s",(unsigned long)c->second->topicset,c->second->setby,c->second->name,c->second->topic);
+ snprintf(data,MAXBUF,"%s T %lu %s %s :%s",CreateSum().c_str(),(unsigned long)c->second->topicset,c->second->setby,c->second->name,c->second->topic);
serv->SendPacket(data,tcp_host);
}
// send current banlist
for (BanList::iterator b = c->second->bans.begin(); b != c->second->bans.end(); b++)
{
- snprintf(data,MAXBUF,"M %s +b %s",c->second->name,b->data);
+ snprintf(data,MAXBUF,"%s M %s +b %s",CreateSum().c_str(),c->second->name,b->data);
serv->SendPacket(data,tcp_host);
}
}
// 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);
+ snprintf(data,MAXBUF,"%s F %lu",CreateSum().c_str(),(unsigned long)TIME);
serv->SendPacket(data,tcp_host);
log(DEBUG,"Sent sync");
// ircd sends its serverlist after the end of sync here
bool UnloadModule(const char* filename)
{
+ std::string filename_str = filename;
for (int j = 0; j != module_names.size(); j++)
{
- if (module_names[j] == std::string(filename))
+ if (module_names[j] == filename_str)
{
if (modules[j]->GetVersion().Flags & VF_STATIC)
{
return false;
}
-bool DirValid(char* dirandfile)
-{
- char work[MAXBUF];
- strlcpy(work,dirandfile,MAXBUF);
- int p = strlen(work);
- // we just want the dir
- while (strlen(work))
- {
- if (work[p] == '/')
- {
- work[p] = '\0';
- break;
- }
- work[p--] = '\0';
- }
- char buffer[MAXBUF], otherdir[MAXBUF];
- // Get the current working directory
- if( getcwd( buffer, MAXBUF ) == NULL )
- return false;
- chdir(work);
- if( getcwd( otherdir, MAXBUF ) == NULL )
- return false;
- chdir(buffer);
- if (strlen(otherdir) >= strlen(work))
- {
- otherdir[strlen(work)] = '\0';
- if (!strcmp(otherdir,work))
- {
- return true;
- }
- return false;
- }
- else return false;
-}
-
bool LoadModule(const char* filename)
{
char modfile[MAXBUF];
snprintf(modfile,MAXBUF,"%s/%s",ModPath,filename);
+ std::string filename_str = filename;
if (!DirValid(modfile))
{
log(DEFAULT,"Module %s is not within the modules directory.",modfile);
{
for (int j = 0; j < module_names.size(); j++)
{
- if (module_names[j] == std::string(filename))
+ if (module_names[j] == filename_str)
{
log(DEFAULT,"Module %s is already loaded, cannot load a module twice!",modfile);
snprintf(MODERR,MAXBUF,"Module already loaded");
return true;
}
-int InspIRCd(void)
+int InspIRCd(char** argv, int argc)
{
struct sockaddr_in client,server;
char addrs[MAXBUF][255];
fd_set selectFds;
timeval tv;
- log_file = fopen("ircd.log","a+");
+ std::string logpath = GetFullProgDir(argv,argc) + "/ircd.log";
+ log_file = fopen(logpath.c_str(),"a+");
if (!log_file)
{
- printf("ERROR: Could not write to logfile ircd.log, bailing!\n\n");
+ printf("ERROR: Could not write to logfile %s, bailing!\n\n",logpath.c_str());
Exit(ERROR);
}
+ printf("Logging to %s...\n",logpath.c_str());
log(DEFAULT,"$Id$");
if (geteuid() == 0)
log(DEBUG,"InspIRCd: startup: read binding %s:%s [%s] from config",Addr,configToken, Type);
}
portCount = clientportcount;
- UDPportCount = serverportcount;
+ SERVERportCount = serverportcount;
- log(DEBUG,"InspIRCd: startup: read %lu total client ports and %lu total server ports",(unsigned long)portCount,(unsigned long)UDPportCount);
+ log(DEBUG,"InspIRCd: startup: read %lu total client ports and %lu total server ports",(unsigned long)portCount,(unsigned long)SERVERportCount);
log(DEBUG,"InspIRCd: startup: InspIRCd is now starting!");
printf("\n");
WritePID(PID);
/* setup select call */
+#ifndef USE_KQUEUE
FD_ZERO(&selectFds);
+#endif
log(DEBUG,"InspIRCd: startup: zero selects");
log(VERBOSE,"InspIRCd: startup: portCount = %lu", (unsigned long)portCount);
}
}
+ // BUGFIX: We cannot initialize this before forking, as the kqueue data is not inherited by child processes!
+#ifdef USE_KQUEUE
+ kq = kqueue();
+ lkq = kqueue();
+ skq = kqueue();
+ if ((kq == -1) || (lkq == -1) || (skq == -1))
+ {
+ log(DEFAULT,"main: kqueue() failed!");
+ printf("ERROR: could not initialise kqueue event system. Shutting down.\n");
+ Exit(ERROR);
+ }
+#endif
+
+#ifdef USE_EPOLL
+ ep = epoll_create(MAXCLIENTS);
+ lep = epoll_create(32);
+ sep = epoll_create(128);
+ if ((ep == -1) || (lep == -1) || (sep == -1))
+ {
+ log(DEFAULT,"main: epoll_create() failed!");
+ printf("ERROR: could not initialise epoll event system. Shutting down.\n");
+ Exit(ERROR);
+ }
+#endif
+
+#ifdef USE_EPOLL
+ log(DEFAULT,"epoll socket engine is enabled. Filling listen list. boundPortcount=%d",boundPortCount);
+ for (count = 0; count < boundPortCount; count++)
+ {
+ struct epoll_event ev;
+ log(DEBUG,"epoll: Add listening socket to events, ep=%d socket=%d",lep,openSockfd[count]);
+ ev.events = EPOLLIN | EPOLLET;
+ ev.data.fd = openSockfd[count];
+ int i = epoll_ctl(lep, EPOLL_CTL_ADD, openSockfd[count], &ev);
+ if (i < 0)
+ {
+ log(DEFAULT,"main: add listen ports, epoll_ctl failed!");
+ printf("ERROR: could not initialise listening sockets in epoll list. Shutting down.\n");
+ Exit(ERROR);
+ }
+
+ }
+ for (int t = 0; t != SERVERportCount; t++)
+ {
+ struct epoll_event ev;
+ log(DEBUG,"epoll: Add listening server socket to events, ep=%d socket=%d",sep,me[t]->fd);
+ ev.events = EPOLLIN | EPOLLET;
+ ev.data.fd = me[t]->fd;
+ int i = epoll_ctl(sep, EPOLL_CTL_ADD, me[t]->fd, &ev);
+ if (i == -1)
+ {
+ log(DEFAULT,"main: add server listen ports, epoll_ctl failed!");
+ printf("ERROR: could not initialise server listening sockets in epoll list. Shutting down.\n");
+ Exit(ERROR);
+ }
+ }
+#else
+#ifdef USE_KQUEUE
+ log(DEFAULT,"kqueue socket engine is enabled. Filling listen list.");
+ for (count = 0; count < boundPortCount; count++)
+ {
+ struct kevent ke;
+ log(DEBUG,"kqueue: Add listening socket to events, kq=%d socket=%d",lkq,openSockfd[count]);
+ EV_SET(&ke, openSockfd[count], EVFILT_READ, EV_ADD, 0, MaxConn, NULL);
+ int i = kevent(lkq, &ke, 1, 0, 0, NULL);
+ if (i == -1)
+ {
+ log(DEFAULT,"main: add listen ports to kqueue failed!");
+ printf("ERROR: could not initialise listening sockets in kqueue. Shutting down.\n");
+ Exit(ERROR);
+ }
+ }
+ for (int t = 0; t != SERVERportCount; t++)
+ {
+ struct kevent ke;
+ if (me[t])
+ {
+ log(DEBUG,"kqueue: Add listening SERVER socket to events, kq=%d socket=%d",skq,me[t]->fd);
+ EV_SET(&ke, me[t]->fd, EVFILT_READ, EV_ADD, 0, MaxConn, NULL);
+ int i = kevent(skq, &ke, 1, 0, 0, NULL);
+ if (i == -1)
+ {
+ log(DEFAULT,"main: add server listen ports to kqueue failed!");
+ printf("ERROR: could not initialise listening server sockets in kqueue. Shutting down.\n");
+ Exit(ERROR);
+ }
+ }
+ }
+
+
+#else
+ log(DEFAULT,"Using standard select socket engine.");
+#endif
+#endif
+
WritePID(PID);
length = sizeof (client);
- char udp_msg[MAXBUF],tcp_host[MAXBUF];
+ char tcp_msg[MAXBUF],tcp_host[MAXBUF],tcp_sum[MAXBUF];
+#ifdef USE_KQUEUE
+ struct kevent ke;
+ struct kevent ke_list[33];
+ struct timespec ts;
+#endif
+#ifdef USE_EPOLL
+ struct epoll_event event[33];
+#endif
fd_set serverfds;
timeval tvs;
tvs.tv_usec = 10000L;
tvs.tv_sec = 0;
tv.tv_sec = 0;
tv.tv_usec = 10000L;
- char data[10240];
+ char data[65536];
timeval tval;
fd_set sfd;
tval.tv_usec = 10000L;
tval.tv_sec = 0;
int total_in_this_set = 0;
- int v = 0;
+ int i = 0, v = 0, j = 0, cycle_iter = 0;
bool expire_run = false;
/* main loop, this never returns */
#ifdef _POSIX_PRIORITY_SCHEDULING
sched_yield();
#endif
- // poll dns queue
- dns_poll();
+#ifdef USE_SELECT
FD_ZERO(&sfd);
-
+#endif
// we only read time() once per iteration rather than tons of times!
+ OLDTIME = TIME;
TIME = time(NULL);
+ dns_poll();
+
// *FIX* Instead of closing sockets in kill_link when they receive the ERROR :blah line, we should queue
// them in a list, then reap the list every second or so.
if (((TIME % 5) == 0) && (!expire_run))
// fix by brain - this must be below any manipulation of the hashmap by modules
user_hash::iterator count2 = clientlist.begin();
+#ifdef USE_EPOLL
+ i = epoll_wait(sep, event, 1, EP_DELAY);
+ if (i > 0)
+ {
+ log(DEBUG,"epoll: Listening server socket event, i=%d, event.data.fd=%d",i,event[0].data.fd);
+ for (int x = 0; x != SERVERportCount; x++)
+ {
+ if ((me[x]) && (event[0].data.fd == me[x]->fd))
+ {
+#endif
+#ifdef USE_KQUEUE
+ ts.tv_sec = 0;
+ ts.tv_nsec = 30000L;
+ i = kevent(skq, NULL, 0, &ke, 1, &ts);
+ if (i > 0)
+ {
+ log(DEBUG,"kqueue: Listening server socket event, i=%d, ke.ident=%d",i,ke.ident);
+ for (int x = 0; x != SERVERportCount; x++)
+ {
+ if ((me[x]) && (ke.ident == me[x]->fd))
+ {
+
+#endif
+#ifdef USE_SELECT
FD_ZERO(&serverfds);
-
- for (int x = 0; x != UDPportCount; x++)
+ for (int x = 0; x != SERVERportCount; x++)
{
if (me[x])
FD_SET(me[x]->fd, &serverfds);
}
-
- // serverFds timevals went here
-
tvs.tv_usec = 30000L;
tvs.tv_sec = 0;
+#ifdef IS_SOLARIS
+ int servresult = select(1024, &serverfds, NULL, NULL, &tvs);
+#else
int servresult = select(32767, &serverfds, NULL, NULL, &tvs);
+#endif
if (servresult > 0)
{
- for (int x = 0; x != UDPportCount; x++)
+ for (int x = 0; x != SERVERportCount; x++)
{
if ((me[x]) && (FD_ISSET (me[x]->fd, &serverfds)))
{
+#endif
char remotehost[MAXBUF],resolved[MAXBUF];
length = sizeof (client);
incomingSockfd = accept (me[x]->fd, (sockaddr *) &client, &length);
}
}
- for (int x = 0; x < UDPportCount; x++)
+ std::deque<std::string> msgs;
+ std::deque<std::string> sums;
+ for (int x = 0; x < SERVERportCount; x++)
{
- std::deque<std::string> msgs;
+ sums.clear();
msgs.clear();
- if ((me[x]) && (me[x]->RecvPacket(msgs, tcp_host)))
+ while ((me[x]) && (me[x]->RecvPacket(msgs, tcp_host, sums))) // returns 0 or more lines (can be multiple lines!)
{
for (int ctr = 0; ctr < msgs.size(); ctr++)
{
- strlcpy(udp_msg,msgs[ctr].c_str(),MAXBUF);
- log(DEBUG,"Processing: %s",udp_msg);
- if (!udp_msg[0])
- {
+ strlcpy(tcp_msg,msgs[ctr].c_str(),MAXBUF);
+ strlcpy(tcp_sum,msgs[ctr].c_str(),MAXBUF);
+ log(DEBUG,"Processing: %s",tcp_msg);
+ if (!tcp_msg[0])
+ {
log(DEBUG,"Invalid string from %s [route%lu]",tcp_host,(unsigned long)x);
break;
}
// during a netburst, send all data to all other linked servers
- if ((((nb_start>0) && (udp_msg[0] != 'Y') && (udp_msg[0] != 'X') && (udp_msg[0] != 'F'))) || (is_uline(tcp_host)))
+ if ((((nb_start>0) && (tcp_msg[0] != 'Y') && (tcp_msg[0] != 'X') && (tcp_msg[0] != 'F'))) || (is_uline(tcp_host)))
{
if (is_uline(tcp_host))
{
- if ((udp_msg[0] != 'Y') && (udp_msg[0] != 'X') && (udp_msg[0] != 'F'))
+ if ((tcp_msg[0] != 'Y') && (tcp_msg[0] != 'X') && (tcp_msg[0] != 'F'))
{
- NetSendToAllExcept(tcp_host,udp_msg);
+ NetSendToAllExcept_WithSum(tcp_host,tcp_msg,tcp_sum);
}
}
else
- NetSendToAllExcept(tcp_host,udp_msg);
+ NetSendToAllExcept_WithSum(tcp_host,tcp_msg,tcp_sum);
}
- std::string msg = udp_msg;
+ std::string msg = tcp_msg;
FOREACH_MOD OnPacketReceive(msg,tcp_host);
- strlcpy(udp_msg,msg.c_str(),MAXBUF);
- handle_link_packet(udp_msg, tcp_host, me[x]);
+ strlcpy(tcp_msg,msg.c_str(),MAXBUF);
+ if (me[x])
+ handle_link_packet(tcp_msg, tcp_host, me[x], tcp_sum);
}
- goto label;
+ sums.clear(); // we're done, clear the list for the next operation
+ msgs.clear();
}
}
-
while (count2 != clientlist.end())
{
+#ifdef USE_SELECT
FD_ZERO(&sfd);
+#endif
+
total_in_this_set = 0;
user_hash::iterator xcount = count2;
if (count2 == clientlist.end()) break;
+ userrec* curr = NULL;
+
if (count2->second)
- if (count2->second->fd != 0)
+ curr = count2->second;
+
+ if ((long)curr == -1)
+ goto label;
+
+ 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.
//
// This should be up to 64x faster than the
// old implementation.
- while (total_in_this_set < 64)
+#ifdef USE_SELECT
+ while (total_in_this_set < 1024)
{
if (count2 != clientlist.end())
{
+ curr = count2->second;
+ if ((long)curr == -1)
+ goto label;
+ int currfd = curr->fd;
// we don't check the state of remote users.
- if ((count2->second->fd != -1) && (count2->second->fd != FD_MAGIC_NUMBER))
+ if ((currfd != -1) && (currfd != FD_MAGIC_NUMBER))
{
- FD_SET (count2->second->fd, &sfd);
+ curr->FlushWriteBuf();
+ if (curr->GetWriteError() != "")
+ {
+ log(DEBUG,"InspIRCd: write error: %s",curr->GetWriteError().c_str());
+ kill_link(curr,curr->GetWriteError().c_str());
+ goto label;
+ }
+
+ 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);
- goto label;
+ curr->dns_done = true;
+ statsDnsBad++;
+ FullConnectUser(curr);
+ if (fd_ref_table[currfd] != curr) // something changed, bail pronto
+ 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);
- goto label;
+ FullConnectUser(curr);
+ if (fd_ref_table[currfd] != curr) // something changed, bail pronto
+ 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++;
}
else break;
}
-
endingiter = count2;
count2 = xcount; // roll back to where we were
-
- v = 0;
+#else
+ // KQUEUE and EPOLL: We don't go through a loop to fill the fd_set so instead we must manually do this loop every now and again.
+ // TODO: We dont need to do all this EVERY loop iteration, tone down the visits to this if we're using kqueue.
+ cycle_iter++;
+ if (cycle_iter > 20) while (count2 != clientlist.end())
+ {
+ cycle_iter = 0;
+ if (count2 != clientlist.end())
+ {
+ curr = count2->second;
+ if ((long)curr == -1)
+ goto label;
+ int currfd = curr->fd;
+ // we don't check the state of remote users.
+ if ((currfd != -1) && (currfd != FD_MAGIC_NUMBER))
+ {
- // tvals defined here
+ curr->FlushWriteBuf();
+ if (curr->GetWriteError() != "")
+ {
+ log(DEBUG,"InspIRCd: write error: %s",curr->GetWriteError().c_str());
+ kill_link(curr,curr->GetWriteError().c_str());
+ goto label;
+ }
+
+ // registration timeout -- didnt send USER/NICK/HOST in the time specified in
+ // their connection class.
+ if ((TIME > curr->timeout) && (curr->registered != 7))
+ {
+ log(DEBUG,"InspIRCd: registration timeout: %s",curr->nick);
+ kill_link(curr,"Registration timeout");
+ goto label;
+ }
+ if ((TIME > curr->signon) && (curr->registered == 3) && (AllModulesReportReady(curr)))
+ {
+ log(DEBUG,"signon exceed, registered=3, and modules ready, OK: %d %d",TIME,curr->signon);
+ curr->dns_done = true;
+ statsDnsBad++;
+ FullConnectUser(curr);
+ if (fd_ref_table[currfd] != curr) // something changed, bail pronto
+ goto label;
+ }
+ if ((curr->dns_done) && (curr->registered == 3) && (AllModulesReportReady(curr)))
+ {
+ log(DEBUG,"dns done, registered=3, and modules ready, OK");
+ FullConnectUser(curr);
+ if (fd_ref_table[currfd] != curr) // something changed, bail pronto
+ goto label;
+ }
+ if ((TIME > curr->nping) && (isnick(curr->nick)) && (curr->registered == 7))
+ {
+ if ((!curr->lastping) && (curr->registered == 7))
+ {
+ log(DEBUG,"InspIRCd: ping timeout: %s",curr->nick);
+ kill_link(curr,"Ping timeout");
+ goto label;
+ }
+ 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
+ }
+ }
+ }
+ else break;
+ count2++;
+ }
+ // increment the counter right to the end of the list, as kqueue processes everything in one go
+#endif
+
+ v = 0;
+#ifdef USE_EPOLL
+ int i = epoll_wait(ep, event, 1, 5);
+ if (i > 0)
+ {
+ log(DEBUG,"epoll_wait call: ep=%d, i=%d",ep,i);
+ // EPOLL: we asked epoll_wait for ONE fd which is ready. Do something.
+ userrec* cu = fd_ref_table[event[0].data.fd];
+#endif
+#ifdef USE_KQUEUE
+ ts.tv_sec = 0;
+ ts.tv_nsec = 1000L;
+ // for now, we only read 1 event. We could read soooo many more :)
+ int i = kevent(kq, NULL, 0, &ke, 1, &ts);
+ if (i > 0)
+ {
+ log(DEBUG,"kevent call: kq=%d, i=%d",kq,i);
+ // KQUEUE: kevent gives us ONE fd which is ready to have something done to it. Do something to it.
+ userrec* cu = fd_ref_table[ke.ident];
+#endif
+#ifdef USE_SELECT
+ tval.tv_sec = 0;
tval.tv_usec = 1000L;
+#ifdef IS_SOLARIS
+ selectResult2 = select(1024, &sfd, NULL, NULL, &tval);
+#else
selectResult2 = select(65535, &sfd, NULL, NULL, &tval);
+#endif
// now loop through all of the items in this pool if any are waiting
- //if (selectResult2 > 0)
+ if ((selectResult2 > 0) && (xcount != clientlist.end()))
for (user_hash::iterator count2a = xcount; count2a != endingiter; count2a++)
{
+ // SELECT: we have to iterate...
+ if (count2a == clientlist.end())
+ break;
+ userrec* cu = count2a->second;
+#endif
#ifdef _POSIX_PRIORITY_SCHEDULING
sched_yield();
#endif
-
result = EAGAIN;
- if ((count2a->second->fd != FD_MAGIC_NUMBER) && (count2a->second->fd != -1) && (FD_ISSET (count2a->second->fd, &sfd)))
+#ifdef USE_EPOLL
+ // EPOLL: We already know we have a valid FD. No checks needed.
+ if ((cu->fd != FD_MAGIC_NUMBER) && (cu->fd != -1))
+#endif
+#ifdef USE_KQUEUE
+ // KQUEUE: We already know we have a valid FD. No checks needed.
+ if ((cu->fd != FD_MAGIC_NUMBER) && (cu->fd != -1))
+#endif
+#ifdef USE_SELECT
+ // SELECT: We don't know if our FD is valid.
+ if ((cu->fd != FD_MAGIC_NUMBER) && (cu->fd != -1) && (FD_ISSET (cu->fd, &sfd)))
+#endif
{
- 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 (result > 0)
+ 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)
+ {
+ 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);
+ 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;
+ }
+ 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;
}
- sanitized[ptt] = '\0';
+ strlcpy(sanitized,single_line.c_str(),MAXBUF);
if (*sanitized)
{
-
-
+ userrec* old_comp = fd_ref_table[currfd];
// 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)
+ userrec* new_comp = fd_ref_table[currfd];
+ if ((currfd < 0) || (!fd_ref_table[currfd]) || (old_comp != new_comp))
goto label;
}
- l = strtok(NULL,"\n");
}
- goto label;
+#ifndef IS_SOLARIS
+ if ((currfd < 0) || (!fd_ref_table[currfd]))
+#endif
+ 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;
}
}
else
if (result == 0)
{
+#ifdef USE_SELECT
if (count2->second)
{
- log(DEBUG,"InspIRCd: Exited: %s",count2a->second->nick);
- kill_link(count2a->second,"Client exited");
+#endif
+ 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;
+#ifdef USE_SELECT
}
+#endif
}
else if (result > 0)
{
sched_yield();
#endif
+#ifdef USE_SELECT
// set up select call
for (count = 0; count < boundPortCount; count++)
{
/* select is reporting a waiting socket. Poll them all to find out which */
if (selectResult > 0)
{
- char target[MAXBUF], resolved[MAXBUF];
- for (count = 0; count < boundPortCount; count++)
+ for (count = 0; count < boundPortCount; count++)
{
if (FD_ISSET (openSockfd[count], &selectFds))
{
+#endif
+#ifdef USE_KQUEUE
+ ts.tv_sec = 0;
+ ts.tv_nsec = 30000L;
+ i = kevent(lkq, NULL, 0, ke_list, 32, &ts);
+ if (i > 0) for (j = 0; j < i; j++)
+ {
+ log(DEBUG,"kqueue: Listening socket event, i=%d, ke.ident=%d",i,ke_list[j].ident);
+ // this isnt as efficient as it could be, we could create a reference table
+ // to reference bound ports by fd, but this isnt a big bottleneck as the actual
+ // number of listening ports on the average ircd is a small number (less than 20)
+ // compared to the number of clients (possibly over 2000)
+ for (count = 0; count < boundPortCount; count++)
+ {
+ if (ke_list[j].ident == openSockfd[count])
+ {
+#endif
+#ifdef USE_EPOLL
+ i = epoll_wait(lep, event, 32, EP_DELAY);
+ if (i > 0) for (j = 0; j < i; j++)
+ {
+ log(DEBUG,"epoll: Listening socket event, i=%d,events[j].data.fd=%d",i,event[j].data.fd);
+ for (count = 0; count < boundPortCount; count++)
+ {
+ if (event[j].data.fd == openSockfd[count])
+ {
+#endif
+ char target[MAXBUF], resolved[MAXBUF];
length = sizeof (client);
incomingSockfd = accept (openSockfd[count], (struct sockaddr *) &client, &length);
{
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);
}
- goto label;
}
}
}
if (0) {};
#ifdef _POSIX_PRIORITY_SCHEDULING
sched_yield();
+ sched_yield();
#endif
}
/* not reached */