#include "inspircd_config.h"
#include "inspircd.h"
#include "inspircd_io.h"
-#include "inspircd_util.h"
#include <unistd.h>
#include <fcntl.h>
#include <sys/errno.h>
#include <sys/ioctl.h>
#include <sys/utsname.h>
-
-#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 <sstream>
#include <vector>
#include <deque>
-#include <sched.h>
+#ifdef THREADED_DNS
#include <pthread.h>
+#endif
#include "users.h"
#include "ctables.h"
#include "globals.h"
#include "helperfuncs.h"
#include "hashcomp.h"
#include "socketengine.h"
+#include "userprocess.h"
#include "socket.h"
-#include "dns.h"
+#include "typedefs.h"
+#include "command_parse.h"
+
+InspIRCd* ServerInstance;
-int LogLevel = DEFAULT;
-char ServerName[MAXBUF];
-char Network[MAXBUF];
-char ServerDesc[MAXBUF];
-char AdminName[MAXBUF];
-char AdminEmail[MAXBUF];
-char AdminNick[MAXBUF];
-char diepass[MAXBUF];
-char restartpass[MAXBUF];
-char motd[MAXBUF];
-char rules[MAXBUF];
-char list[MAXBUF];
-char PrefixQuit[MAXBUF];
-char DieValue[MAXBUF];
-char DNSServer[MAXBUF];
-int debugging = 0;
int WHOWAS_STALE = 48; // default WHOWAS Entries last 2 days before they go 'stale'
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 MaxConn = SOMAXCONN; // size of accept() backlog (128 by default on *BSD)
-unsigned int SoftLimit = MAXCLIENTS;
-extern int MaxWhoResults;
-time_t nb_start = 0;
-int dns_timeout = 5;
-
-char DisabledCommands[MAXBUF];
-
-bool AllowHalfop = true;
-bool AllowProtect = true;
-bool AllowFounder = true;
-
-extern std::vector<Module*> modules;
-std::vector<std::string> module_names;
-extern std::vector<ircd_module*> factory;
-
-std::vector<InspSocket*> module_sockets;
-
-extern int MODCOUNT;
-int openSockfd[MAXSOCKS];
-bool nofork = false;
-bool unlimitcore = false;
-
-time_t TIME = time(NULL), OLDTIME = time(NULL);
-
-#ifdef USE_KQUEUE
-int kq, lkq, skq;
-#endif
-
-#ifdef USE_EPOLL
-int ep, lep, sep;
-#endif
-
-bool has_been_netsplit = false;
-extern std::vector<std::string> include_stack;
-
-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;
-typedef std::map<std::string,time_t> autoconnects;
-typedef std::vector<std::string> servernamelist;
-
-// 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;
-
-
-
-FILE *log_file;
-
-user_hash clientlist;
-chan_hash chanlist;
-whowas_hash whowas;
-command_table cmdlist;
-autoconnects autoconns;
-file_cache MOTD;
-file_cache RULES;
-address_cache IP;
-
-ClassVector Classes;
-servernamelist servernames;
-
-struct linger linger = { 0 };
-char MyExecutable[1024];
-int boundPortCount = 0;
-int portCount = 0, SERVERportCount = 0, ports[MAXSOCKS];
-
-char ModPath[MAXBUF];
-
-/* prototypes */
-
-int has_channel(userrec *u, chanrec *c);
-int usercount(chanrec *c);
-int usercount_i(chanrec *c);
-char* Passwd(userrec *user);
-bool IsDenied(userrec *user);
-void AddWhoWas(userrec* u);
-
-std::stringstream config_f(stringstream::in | stringstream::out);
-
-std::vector<userrec*> all_opers;
-
-char lowermap[255];
-
-void AddOper(userrec* user)
-{
- log(DEBUG,"Oper added to optimization list");
- all_opers.push_back(user);
-}
-
-void AddServerName(std::string servername)
-{
- log(DEBUG,"Adding server name: %s",servername.c_str());
- for (servernamelist::iterator a = servernames.begin(); a < servernames.end(); a++)
- {
- if (*a == servername)
- return;
- }
- servernames.push_back(servername);
-}
-
-const char* FindServerNamePtr(std::string servername)
-{
- for (servernamelist::iterator a = servernames.begin(); a < servernames.end(); a++)
- {
- if (*a == servername)
- return a->c_str();
- }
- AddServerName(servername);
- return FindServerNamePtr(servername);
-}
-
-void DeleteOper(userrec* user)
-{
- for (std::vector<userrec*>::iterator a = all_opers.begin(); a < all_opers.end(); a++)
- {
- if (*a == user)
- {
- log(DEBUG,"Oper removed from optimization list");
- all_opers.erase(a);
- return;
- }
- }
-}
-
-std::string GetRevision()
-{
- char Revision[] = "$Revision$";
- char *s1 = Revision;
- char *savept;
- char *v2 = strtok_r(s1," ",&savept);
- s1 = savept;
- v2 = strtok_r(s1," ",&savept);
- s1 = savept;
- return std::string(v2);
-}
-
-
-std::string getservername()
-{
- return ServerName;
-}
-
-std::string getserverdesc()
-{
- return ServerDesc;
-}
-
-std::string getnetworkname()
-{
- return Network;
-}
-
-std::string getadminname()
-{
- return AdminName;
-}
-
-std::string getadminemail()
-{
- return AdminEmail;
-}
-
-std::string getadminnick()
-{
- return AdminNick;
-}
-
-void ReadConfig(bool bail, userrec* user)
-{
- 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],SLIMT[MAXBUF];
- ConnectClass c;
- std::stringstream errstr;
- include_stack.clear();
-
- if (!LoadConf(CONFIG_FILE,&config_f,&errstr))
- {
- errstr.seekg(0);
- log(DEFAULT,"There were errors in your configuration:\n%s",errstr.str().c_str());
- if (bail)
- {
- printf("There were errors in your configuration:\n%s",errstr.str().c_str());
- Exit(0);
- }
- else
- {
- char dataline[1024];
- if (user)
- {
- WriteServ(user->fd,"NOTICE %s :There were errors in the configuration file:",user->nick);
- while (!errstr.eof())
- {
- errstr.getline(dataline,1024);
- WriteServ(user->fd,"NOTICE %s :%s",user->nick,dataline);
- }
- }
- else
- {
- WriteOpers("There were errors in the configuration file:");
- while (!errstr.eof())
- {
- errstr.getline(dataline,1024);
- WriteOpers(dataline);
- }
- }
- return;
- }
- }
-
- ConfValue("server","name",0,ServerName,&config_f);
- ConfValue("server","description",0,ServerDesc,&config_f);
- ConfValue("server","network",0,Network,&config_f);
- ConfValue("admin","name",0,AdminName,&config_f);
- ConfValue("admin","email",0,AdminEmail,&config_f);
- ConfValue("admin","nick",0,AdminNick,&config_f);
- ConfValue("files","motd",0,motd,&config_f);
- ConfValue("files","rules",0,rules,&config_f);
- ConfValue("power","diepass",0,diepass,&config_f);
- ConfValue("power","pause",0,pauseval,&config_f);
- ConfValue("power","restartpass",0,restartpass,&config_f);
- ConfValue("options","prefixquit",0,PrefixQuit,&config_f);
- ConfValue("die","value",0,DieValue,&config_f);
- ConfValue("options","loglevel",0,dbg,&config_f);
- ConfValue("options","netbuffersize",0,NB,&config_f);
- ConfValue("options","maxwho",0,MW,&config_f);
- ConfValue("options","allowhalfop",0,AH,&config_f);
- ConfValue("options","allowprotect",0,AP,&config_f);
- ConfValue("options","allowfounder",0,AF,&config_f);
- ConfValue("dns","server",0,DNSServer,&config_f);
- 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);
- ConfValue("options","softlimit",0,SLIMT,&config_f);
-
- SoftLimit = atoi(SLIMT);
- if ((SoftLimit < 1) || (SoftLimit > MAXCLIENTS))
- {
- log(DEFAULT,"WARNING: <options:softlimit> value is greater than %d or less than 0, set to %d.",MAXCLIENTS,MAXCLIENTS);
- SoftLimit = MAXCLIENTS;
- }
- 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])
- strlcpy(ModPath,MOD_PATH,MAXBUF);
- AllowHalfop = ((!strcasecmp(AH,"true")) || (!strcasecmp(AH,"1")) || (!strcasecmp(AH,"yes")));
- AllowProtect = ((!strcasecmp(AP,"true")) || (!strcasecmp(AP,"1")) || (!strcasecmp(AP,"yes")));
- AllowFounder = ((!strcasecmp(AF,"true")) || (!strcasecmp(AF,"1")) || (!strcasecmp(AF,"yes")));
- if ((!NetBufferSize) || (NetBufferSize > 65535) || (NetBufferSize < 1024))
- {
- log(DEFAULT,"No NetBufferSize specified or size out of range, setting to default of 10240.");
- NetBufferSize = 10240;
- }
- if ((!MaxWhoResults) || (MaxWhoResults > 65535) || (MaxWhoResults < 1))
- {
- log(DEFAULT,"No MaxWhoResults specified or size out of range, setting to default of 128.");
- MaxWhoResults = 128;
- }
- if (!strcmp(dbg,"debug"))
- LogLevel = DEBUG;
- if (!strcmp(dbg,"verbose"))
- LogLevel = VERBOSE;
- if (!strcmp(dbg,"default"))
- LogLevel = DEFAULT;
- if (!strcmp(dbg,"sparse"))
- LogLevel = SPARSE;
- if (!strcmp(dbg,"none"))
- LogLevel = NONE;
- readfile(MOTD,motd);
- log(DEFAULT,"Reading message of the day...");
- readfile(RULES,rules);
- log(DEFAULT,"Reading connect classes...");
- Classes.clear();
- for (int i = 0; i < ConfValueEnum("connect",&config_f); i++)
- {
- strcpy(Value,"");
- ConfValue("connect","allow",i,Value,&config_f);
- 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.type = CC_ALLOW;
- strlcpy(Value,"",MAXBUF);
- ConfValue("connect","password",i,Value,&config_f);
- strlcpy(c.pass,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);
- }
- if (atoi(pfreq)>0)
- {
- c.pingtime = atoi(pfreq);
- }
- Classes.push_back(c);
- log(DEBUG,"Read connect class type ALLOW, host=%s password=%s timeout=%lu flood=%lu",c.host,c.pass,(unsigned long)c.registration_timeout,(unsigned long)c.flood);
- }
- else
- {
- ConfValue("connect","deny",i,Value,&config_f);
- strlcpy(c.host,Value,MAXBUF);
- c.type = CC_DENY;
- Classes.push_back(c);
- log(DEBUG,"Read connect class type DENY, host=%s",c.host);
- }
-
- }
- log(DEFAULT,"Reading K lines,Q lines and Z lines from config...");
- read_xline_defaults();
- log(DEFAULT,"Applying K lines, Q lines and Z lines...");
- apply_lines();
-
- autoconns.clear();
- for (int i = 0; i < ConfValueEnum("link",&config_f); i++)
- {
- char Link_ServerName[MAXBUF],Link_AConn[MAXBUF];
- ConfValue("link","name",i,Link_ServerName,&config_f);
- ConfValue("link","autoconnect",i,Link_AConn,&config_f);
- if (strcmp(Link_AConn,""))
- {
- autoconns[std::string(Link_ServerName)] = atoi(Link_AConn) + time(NULL);
- }
- }
-
-
- log(DEFAULT,"Done reading configuration file, InspIRCd is now starting.");
- if (!bail)
- {
- log(DEFAULT,"Adding and removing modules due to rehash...");
-
- std::vector<std::string> old_module_names, new_module_names, added_modules, removed_modules;
-
- // store the old module names
- for (std::vector<std::string>::iterator t = module_names.begin(); t != module_names.end(); t++)
- {
- 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());
- }
-}
-
-
-/* add a channel to a user, creating the record for it if needed and linking
- * it to the user record */
-
-chanrec* add_channel(userrec *user, const char* cn, const char* key, bool override)
-{
- if ((!user) || (!cn))
- {
- log(DEFAULT,"*** BUG *** add_channel was given an invalid parameter");
- return 0;
- }
-
- chanrec* Ptr;
- int created = 0;
- char cname[MAXBUF];
-
- strncpy(cname,cn,MAXBUF);
-
- // we MUST declare this wherever we use FOREACH_RESULT
- int MOD_RESULT = 0;
-
- if (strlen(cname) > CHANMAX)
- {
- cname[CHANMAX] = '\0';
- }
-
- log(DEBUG,"add_channel: %s %s",user->nick,cname);
-
- if ((FindChan(cname)) && (has_channel(user,FindChan(cname))))
- {
- return NULL; // already on the channel!
- }
-
-
- if (!FindChan(cname))
- {
- MOD_RESULT = 0;
- FOREACH_RESULT(OnUserPreJoin(user,NULL,cname));
- if (MOD_RESULT == 1) {
- return NULL;
- }
-
- /* create a new one */
- log(DEBUG,"add_channel: creating: %s",cname);
- {
- chanlist[cname] = new chanrec();
-
- strlcpy(chanlist[cname]->name, cname,CHANMAX);
- chanlist[cname]->binarymodes = CM_TOPICLOCK | CM_NOEXTERNAL;
- chanlist[cname]->created = TIME;
- strcpy(chanlist[cname]->topic, "");
- strncpy(chanlist[cname]->setby, user->nick,NICKMAX);
- chanlist[cname]->topicset = 0;
- Ptr = chanlist[cname];
- log(DEBUG,"add_channel: created: %s",cname);
- /* set created to 2 to indicate user
- * is the first in the channel
- * and should be given ops */
- created = 2;
- }
- }
- else
- {
- /* channel exists, just fish out a pointer to its struct */
- Ptr = FindChan(cname);
- if (Ptr)
- {
- log(DEBUG,"add_channel: joining to: %s",Ptr->name);
-
- // the override flag allows us to bypass channel modes
- // and bans (used by servers)
- if ((!override) || (!strcasecmp(user->server,ServerName)))
- {
- log(DEBUG,"Not overriding...");
- MOD_RESULT = 0;
- FOREACH_RESULT(OnUserPreJoin(user,Ptr,cname));
- if (MOD_RESULT == 1) {
- return NULL;
- }
- log(DEBUG,"MOD_RESULT=%d",MOD_RESULT);
-
- if (!MOD_RESULT)
- {
- log(DEBUG,"add_channel: checking key, invite, etc");
- MOD_RESULT = 0;
- FOREACH_RESULT(OnCheckKey(user, Ptr, key ? key : ""));
- if (MOD_RESULT == 0)
- {
- if (Ptr->key[0])
- {
- log(DEBUG,"add_channel: %s has key %s",Ptr->name,Ptr->key);
- if (!key)
- {
- log(DEBUG,"add_channel: no key given in JOIN");
- WriteServ(user->fd,"475 %s %s :Cannot join channel (Requires key)",user->nick, Ptr->name);
- return NULL;
- }
- else
- {
- if (strcasecmp(key,Ptr->key))
- {
- log(DEBUG,"add_channel: bad key given in JOIN");
- WriteServ(user->fd,"475 %s %s :Cannot join channel (Incorrect key)",user->nick, Ptr->name);
- return NULL;
- }
- }
- }
- log(DEBUG,"add_channel: no key");
- }
- MOD_RESULT = 0;
- FOREACH_RESULT(OnCheckInvite(user, Ptr));
- if (MOD_RESULT == 0)
- {
- if (Ptr->binarymodes & CM_INVITEONLY)
- {
- log(DEBUG,"add_channel: channel is +i");
- if (user->IsInvited(Ptr->name))
- {
- /* user was invited to channel */
- /* there may be an optional channel NOTICE here */
- }
- else
- {
- WriteServ(user->fd,"473 %s %s :Cannot join channel (Invite only)",user->nick, Ptr->name);
- return NULL;
- }
- }
- log(DEBUG,"add_channel: channel is not +i");
- }
- MOD_RESULT = 0;
- FOREACH_RESULT(OnCheckLimit(user, Ptr));
- if (MOD_RESULT == 0)
- {
- if (Ptr->limit)
- {
- if (usercount(Ptr) >= Ptr->limit)
- {
- WriteServ(user->fd,"471 %s %s :Cannot join channel (Channel is full)",user->nick, Ptr->name);
- return NULL;
- }
- }
- }
- log(DEBUG,"add_channel: about to walk banlist");
- MOD_RESULT = 0;
- FOREACH_RESULT(OnCheckBan(user, Ptr));
- if (MOD_RESULT == 0)
- {
- /* check user against the channel banlist */
- if (Ptr)
- {
- if (Ptr->bans.size())
- {
- for (BanList::iterator i = Ptr->bans.begin(); i != Ptr->bans.end(); i++)
- {
- if (match(user->GetFullHost(),i->data))
- {
- WriteServ(user->fd,"474 %s %s :Cannot join channel (You're banned)",user->nick, Ptr->name);
- return NULL;
- }
- }
- }
- }
- log(DEBUG,"add_channel: bans checked");
- }
-
- }
-
-
- if ((Ptr) && (user))
- {
- user->RemoveInvite(Ptr->name);
- }
-
- log(DEBUG,"add_channel: invites removed");
-
- }
- else
- {
- log(DEBUG,"Overridden checks");
- }
-
-
- }
- created = 1;
- }
-
- log(DEBUG,"Passed channel checks");
-
- for (int index =0; index != MAXCHANS; index++)
- {
- log(DEBUG,"Check location %d",index);
- if (user->chans[index].channel == NULL)
- {
- log(DEBUG,"Adding into their channel list at location %d",index);
-
- if (created == 2)
- {
- /* first user in is given ops */
- user->chans[index].uc_modes = UCMODE_OP;
- }
- else
- {
- user->chans[index].uc_modes = 0;
- }
- user->chans[index].channel = Ptr;
- Ptr->AddUser((char*)user);
- WriteChannel(Ptr,user,"JOIN :%s",Ptr->name);
-
- log(DEBUG,"Sent JOIN to client");
-
- if (Ptr->topicset)
- {
- WriteServ(user->fd,"332 %s %s :%s", user->nick, Ptr->name, Ptr->topic);
- WriteServ(user->fd,"333 %s %s %s %lu", user->nick, Ptr->name, Ptr->setby, (unsigned long)Ptr->topicset);
- }
- userlist(user,Ptr);
- WriteServ(user->fd,"366 %s %s :End of /NAMES list.", user->nick, Ptr->name);
- //WriteServ(user->fd,"324 %s %s +%s",user->nick, Ptr->name,chanmodes(Ptr));
- //WriteServ(user->fd,"329 %s %s %lu", user->nick, Ptr->name, (unsigned long)Ptr->created);
- FOREACH_MOD OnUserJoin(user,Ptr);
- return Ptr;
- }
- }
- log(DEBUG,"add_channel: user channel max exceeded: %s %s",user->nick,cname);
- WriteServ(user->fd,"405 %s %s :You are on too many channels",user->nick, cname);
- return NULL;
-}
-
-/* remove a channel from a users record, and remove the record from memory
- * if the channel has become empty */
-
-chanrec* del_channel(userrec *user, const char* cname, const char* reason, bool local)
-{
- if ((!user) || (!cname))
- {
- log(DEFAULT,"*** BUG *** del_channel was given an invalid parameter");
- return NULL;
- }
-
- chanrec* Ptr;
-
- if ((!cname) || (!user))
- {
- return NULL;
- }
-
- Ptr = FindChan(cname);
-
- if (!Ptr)
- {
- return NULL;
- }
-
- FOREACH_MOD OnUserPart(user,Ptr);
- log(DEBUG,"del_channel: removing: %s %s",user->nick,Ptr->name);
-
- for (int i =0; i != MAXCHANS; i++)
- {
- /* zap it from the channel list of the user */
- if (user->chans[i].channel == Ptr)
- {
- if (reason)
- {
- WriteChannel(Ptr,user,"PART %s :%s",Ptr->name, reason);
- }
- else
- {
- WriteChannel(Ptr,user,"PART :%s",Ptr->name);
- }
- user->chans[i].uc_modes = 0;
- user->chans[i].channel = NULL;
- log(DEBUG,"del_channel: unlinked: %s %s",user->nick,Ptr->name);
- break;
- }
- }
-
- Ptr->DelUser((char*)user);
-
- /* if there are no users left on the channel */
- if (!usercount(Ptr))
- {
- chan_hash::iterator iter = chanlist.find(Ptr->name);
-
- log(DEBUG,"del_channel: destroying channel: %s",Ptr->name);
-
- /* kill the record */
- if (iter != chanlist.end())
- {
- log(DEBUG,"del_channel: destroyed: %s",Ptr->name);
- delete Ptr;
- chanlist.erase(iter);
- }
- }
-
- return NULL;
-}
-
-
-void kick_channel(userrec *src,userrec *user, chanrec *Ptr, char* reason)
-{
- if ((!src) || (!user) || (!Ptr) || (!reason))
- {
- log(DEFAULT,"*** BUG *** kick_channel was given an invalid parameter");
- return;
- }
-
- if ((!Ptr) || (!user) || (!src))
- {
- return;
- }
-
- log(DEBUG,"kick_channel: removing: %s %s %s",user->nick,Ptr->name,src->nick);
-
- if (!has_channel(user,Ptr))
- {
- WriteServ(src->fd,"441 %s %s %s :They are not on that channel",src->nick, user->nick, Ptr->name);
- return;
- }
-
- int MOD_RESULT = 0;
- FOREACH_RESULT(OnAccessCheck(src,user,Ptr,AC_KICK));
- if (MOD_RESULT == ACR_DENY)
- return;
-
- if (MOD_RESULT == ACR_DEFAULT)
- {
- if (((cstatus(src,Ptr) < STATUS_HOP) || (cstatus(src,Ptr) < cstatus(user,Ptr))) && (!is_uline(src->server)))
- {
- if (cstatus(src,Ptr) == STATUS_HOP)
- {
- WriteServ(src->fd,"482 %s %s :You must be a channel operator",src->nick, Ptr->name);
- }
- else
- {
- WriteServ(src->fd,"482 %s %s :You must be at least a half-operator to change modes on this channel",src->nick, Ptr->name);
- }
-
- return;
- }
- }
-
- MOD_RESULT = 0;
- FOREACH_RESULT(OnUserPreKick(src,user,Ptr,reason));
- if (MOD_RESULT)
- return;
-
- FOREACH_MOD OnUserKick(src,user,Ptr,reason);
-
- for (int i =0; i != MAXCHANS; i++)
- {
- /* zap it from the channel list of the user */
- if (user->chans[i].channel)
- if (!strcasecmp(user->chans[i].channel->name,Ptr->name))
- {
- WriteChannel(Ptr,src,"KICK %s %s :%s",Ptr->name, user->nick, reason);
- user->chans[i].uc_modes = 0;
- user->chans[i].channel = NULL;
- log(DEBUG,"del_channel: unlinked: %s %s",user->nick,Ptr->name);
- break;
- }
- }
-
- Ptr->DelUser((char*)user);
-
- /* if there are no users left on the channel */
- if (!usercount(Ptr))
- {
- chan_hash::iterator iter = chanlist.find(Ptr->name);
-
- log(DEBUG,"del_channel: destroying channel: %s",Ptr->name);
-
- /* kill the record */
- if (iter != chanlist.end())
- {
- log(DEBUG,"del_channel: destroyed: %s",Ptr->name);
- delete Ptr;
- chanlist.erase(iter);
- }
- }
-}
-
-
-
-
-/* This function pokes and hacks at a parameter list like the following:
- *
- * PART #winbot,#darkgalaxy :m00!
- *
- * to turn it into a series of individual calls like this:
- *
- * PART #winbot :m00!
- * PART #darkgalaxy :m00!
- *
- * The seperate calls are sent to a callback function provided by the caller
- * (the caller will usually call itself recursively). The callback function
- * must be a command handler. Calling this function on a line with no list causes
- * no action to be taken. You must provide a starting and ending parameter number
- * where the range of the list can be found, useful if you have a terminating
- * parameter as above which is actually not part of the list, or parameters
- * before the actual list as well. This code is used by many functions which
- * can function as "one to list" (see the RFC) */
-
-int loop_call(handlerfunc fn, char **parameters, int pcnt, userrec *u, int start, int end, int joins)
-{
- char plist[MAXBUF];
- char *param;
- char *pars[32];
- char blog[32][MAXBUF];
- char blog2[32][MAXBUF];
- int j = 0, q = 0, total = 0, t = 0, t2 = 0, total2 = 0;
- char keystr[MAXBUF];
- char moo[MAXBUF];
-
- for (int i = 0; i <32; i++)
- strcpy(blog[i],"");
-
- for (int i = 0; i <32; i++)
- strcpy(blog2[i],"");
-
- strcpy(moo,"");
- for (int i = 0; i <10; i++)
- {
- if (!parameters[i])
- {
- parameters[i] = moo;
- }
- }
- if (joins)
- {
- if (pcnt > 1) /* we have a key to copy */
- {
- strlcpy(keystr,parameters[1],MAXBUF);
- }
- }
-
- if (!parameters[start])
- {
- return 0;
- }
- if (!strchr(parameters[start],','))
- {
- return 0;
- }
- strcpy(plist,"");
- for (int i = start; i <= end; i++)
- {
- if (parameters[i])
- {
- strlcat(plist,parameters[i],MAXBUF);
- }
- }
-
- j = 0;
- param = plist;
-
- t = strlen(plist);
- for (int i = 0; i < t; i++)
- {
- if (plist[i] == ',')
- {
- plist[i] = '\0';
- strlcpy(blog[j++],param,MAXBUF);
- param = plist+i+1;
- if (j>20)
- {
- WriteServ(u->fd,"407 %s %s :Too many targets in list, message not delivered.",u->nick,blog[j-1]);
- return 1;
- }
- }
- }
- strlcpy(blog[j++],param,MAXBUF);
- total = j;
-
- if ((joins) && (keystr) && (total>0)) // more than one channel and is joining
- {
- strcat(keystr,",");
- }
-
- if ((joins) && (keystr))
- {
- if (strchr(keystr,','))
- {
- j = 0;
- param = keystr;
- t2 = strlen(keystr);
- for (int i = 0; i < t2; i++)
- {
- if (keystr[i] == ',')
- {
- keystr[i] = '\0';
- strlcpy(blog2[j++],param,MAXBUF);
- param = keystr+i+1;
- }
- }
- strlcpy(blog2[j++],param,MAXBUF);
- total2 = j;
- }
- }
-
- for (j = 0; j < total; j++)
- {
- if (blog[j])
- {
- pars[0] = blog[j];
- }
- for (q = end; q < pcnt-1; q++)
- {
- if (parameters[q+1])
- {
- pars[q-end+1] = parameters[q+1];
- }
- }
- if ((joins) && (parameters[1]))
- {
- if (pcnt > 1)
- {
- pars[1] = blog2[j];
- }
- else
- {
- pars[1] = NULL;
- }
- }
- /* repeatedly call the function with the hacked parameter list */
- if ((joins) && (pcnt > 1))
- {
- if (pars[1])
- {
- // pars[1] already set up and containing key from blog2[j]
- fn(pars,2,u);
- }
- else
- {
- pars[1] = parameters[1];
- fn(pars,2,u);
- }
- }
- else
- {
- fn(pars,pcnt-(end-start),u);
- }
- }
-
- return 1;
-}
-
-
-
-void kill_link(userrec *user,const char* r)
-{
- user_hash::iterator iter = clientlist.find(user->nick);
-
- char reason[MAXBUF];
-
- strncpy(reason,r,MAXBUF);
-
- if (strlen(reason)>MAXQUIT)
- {
- reason[MAXQUIT-1] = '\0';
- }
-
- log(DEBUG,"kill_link: %s '%s'",user->nick,reason);
- Write(user->fd,"ERROR :Closing link (%s@%s) [%s]",user->ident,user->host,reason);
- log(DEBUG,"closing fd %lu",(unsigned long)user->fd);
-
- if (user->registered == 7) {
- FOREACH_MOD OnUserQuit(user,reason);
- WriteCommonExcept(user,"QUIT :%s",reason);
- }
-
- user->FlushWriteBuf();
-
- FOREACH_MOD OnUserDisconnect(user);
-
- if (user->fd > -1)
- {
- FOREACH_MOD OnRawSocketClose(user->fd);
- engine_delete_fd;
- user->CloseSocket();
- }
-
- // this must come before the WriteOpers so that it doesnt try to fill their buffer with anything
- // if they were an oper with +s.
- if (user->registered == 7) {
- purge_empty_chans(user);
- // fix by brain: only show local quits because we only show local connects (it just makes SENSE)
- if (!strcmp(user->server,ServerName))
- WriteOpers("*** Client exiting: %s!%s@%s [%s]",user->nick,user->ident,user->host,reason);
- AddWhoWas(user);
- }
-
- if (iter != clientlist.end())
- {
- 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)
-{
- user_hash::iterator iter = clientlist.find(user->nick);
-
- char reason[MAXBUF];
-
- strncpy(reason,r,MAXBUF);
-
- if (strlen(reason)>MAXQUIT)
- {
- reason[MAXQUIT-1] = '\0';
- }
-
- log(DEBUG,"kill_link: %s '%s'",user->nick,reason);
- Write(user->fd,"ERROR :Closing link (%s@%s) [%s]",user->ident,user->host,reason);
- log(DEBUG,"closing fd %lu",(unsigned long)user->fd);
-
- user->FlushWriteBuf();
-
- if (user->registered == 7) {
- FOREACH_MOD OnUserQuit(user,reason);
- WriteCommonExcept(user,"QUIT :%s",reason);
- }
-
- FOREACH_MOD OnUserDisconnect(user);
-
- if (user->fd > -1)
- {
- FOREACH_MOD OnRawSocketClose(user->fd);
- engine_delete_fd;
- user->CloseSocket();
- }
-
- if (user->registered == 7) {
- purge_empty_chans(user);
- }
-
- if (iter != clientlist.end())
- {
- 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 *task(void *arg)
-{
- for (;;) {
- cout << (char *)arg;
- cout.flush();
- }
- return NULL;
-}*/
-
-int main(int argc, char** argv)
-{
- Start();
- srand(time(NULL));
- log(DEBUG,"*** InspIRCd starting up!");
- if (!FileExists(CONFIG_FILE))
- {
- printf("ERROR: Cannot open config file: %s\nExiting...\n",CONFIG_FILE);
- log(DEFAULT,"main: no config");
- printf("ERROR: Your config file is missing, this IRCd will self destruct in 10 seconds!\n");
- Exit(ERROR);
- }
- if (argc > 1) {
- for (int i = 1; i < argc; i++)
- {
- if (!strcmp(argv[i],"-nofork")) {
- nofork = true;
- }
- if (!strcmp(argv[i],"-wait")) {
- sleep(6);
- }
- if (!strcmp(argv[i],"-nolimit")) {
- unlimitcore = true;
- }
- }
- }
-
- strlcpy(MyExecutable,argv[0],MAXBUF);
-
- // initialize the lowercase mapping table
- for (unsigned int cn = 0; cn < 256; cn++)
- lowermap[cn] = cn;
- // lowercase the uppercase chars
- for (unsigned int cn = 65; cn < 91; cn++)
- lowermap[cn] = tolower(cn);
- // now replace the specific chars for scandanavian comparison
- lowermap[(unsigned)'['] = '{';
- lowermap[(unsigned)']'] = '}';
- lowermap[(unsigned)'\\'] = '|';
-
- if (InspIRCd(argv,argc) == ERROR)
- {
- log(DEFAULT,"main: daemon function bailed");
- printf("ERROR: could not initialise. Shutting down.\n");
- Exit(ERROR);
- }
- Exit(TRUE);
- return 0;
-}
-
-template<typename T> inline string ConvToStr(const T &in)
-{
- stringstream tmp;
- if (!(tmp << in)) return string();
- return tmp.str();
-}
-
-/* re-allocates a nick in the user_hash after they change nicknames,
- * returns a pointer to the new user as it may have moved */
-
-userrec* ReHashNick(char* Old, char* New)
-{
- //user_hash::iterator newnick;
- user_hash::iterator oldnick = clientlist.find(Old);
-
- log(DEBUG,"ReHashNick: %s %s",Old,New);
-
- if (!strcasecmp(Old,New))
- {
- log(DEBUG,"old nick is new nick, skipping");
- return oldnick->second;
- }
-
- if (oldnick == clientlist.end()) return NULL; /* doesnt exist */
-
- log(DEBUG,"ReHashNick: Found hashed nick %s",Old);
-
- userrec* olduser = oldnick->second;
- clientlist[New] = olduser;
- clientlist.erase(oldnick);
-
- log(DEBUG,"ReHashNick: Nick rehashed as %s",New);
-
- return clientlist[New];
-}
-
-/* adds or updates an entry in the whowas list */
-void AddWhoWas(userrec* u)
-{
- whowas_hash::iterator iter = whowas.find(u->nick);
- WhoWasUser *a = new WhoWasUser();
- strlcpy(a->nick,u->nick,NICKMAX);
- strlcpy(a->ident,u->ident,IDENTMAX);
- strlcpy(a->dhost,u->dhost,160);
- strlcpy(a->host,u->host,160);
- strlcpy(a->fullname,u->fullname,MAXGECOS);
- strlcpy(a->server,u->server,256);
- a->signon = u->signon;
-
- /* MAX_WHOWAS: max number of /WHOWAS items
- * WHOWAS_STALE: number of hours before a WHOWAS item is marked as stale and
- * can be replaced by a newer one
- */
-
- if (iter == whowas.end())
- {
- if (whowas.size() >= (unsigned)WHOWAS_MAX)
- {
- 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
- {
- log(DEBUG,"added fresh WHOWAS entry");
- whowas[a->nick] = a;
- }
- }
- else
- {
- log(DEBUG,"updated WHOWAS entry");
- if (iter->second) delete iter->second;
- iter->second = a;
- }
-}
-
-void* dns_task(void* arg)
-{
- userrec* u = (userrec*)arg;
- log(DEBUG,"DNS thread for user %s",u->nick);
- DNS dns1;
- DNS dns2;
- std::string host;
- std::string ip;
- if (dns1.ReverseLookup(u->ip))
- {
- log(DEBUG,"DNS Step 1");
- while (!dns1.HasResult())
- {
- usleep(100);
- }
- host = dns1.GetResult();
- if (host != "")
- {
- log(DEBUG,"DNS Step 2: '%s'",host.c_str());
- if (dns2.ForwardLookup(host))
- {
- while (!dns2.HasResult())
- {
- usleep(100);
- }
- ip = dns2.GetResultIP();
- log(DEBUG,"DNS Step 3 '%s'(%d) '%s'(%d)",ip.c_str(),ip.length(),u->ip,strlen(u->ip));
- if (ip == std::string(u->ip))
- {
- log(DEBUG,"DNS Step 4");
- if (host.length() < 160)
- {
- log(DEBUG,"DNS Step 5");
- strcpy(u->host,host.c_str());
- }
- }
- }
- }
- }
- u->dns_done = true;
- return NULL;
-}
-
-/* add a client connection to the sockets list */
-void AddClient(int socket, char* host, int port, bool iscached, char* ip)
-{
- string tempnick;
- char tn2[MAXBUF];
- user_hash::iterator iter;
-
- tempnick = ConvToStr(socket) + "-unknown";
- sprintf(tn2,"%lu-unknown",(unsigned long)socket);
-
- iter = clientlist.find(tempnick);
-
- // fix by brain.
- // as these nicknames are 'RFC impossible', we can be sure nobody is going to be
- // using one as a registered connection. As theyre per fd, we can also safely assume
- // that we wont have collisions. Therefore, if the nick exists in the list, its only
- // used by a dead socket, erase the iterator so that the new client may reclaim it.
- // this was probably the cause of 'server ignores me when i hammer it with reconnects'
- // issue in earlier alphas/betas
- if (iter != clientlist.end())
- {
- userrec* goner = iter->second;
- delete goner;
- clientlist.erase(iter);
- }
-
- /*
- * It is OK to access the value here this way since we know
- * it exists, we just created it above.
- *
- * At NO other time should you access a value in a map or a
- * hash_map this way.
- */
- clientlist[tempnick] = new userrec();
-
- NonBlocking(socket);
- log(DEBUG,"AddClient: %lu %s %d %s",(unsigned long)socket,host,port,ip);
-
- clientlist[tempnick]->fd = socket;
- strlcpy(clientlist[tempnick]->nick, tn2,NICKMAX);
- strlcpy(clientlist[tempnick]->host, host,160);
- strlcpy(clientlist[tempnick]->dhost, host,160);
- clientlist[tempnick]->server = (char*)FindServerNamePtr(ServerName);
- strlcpy(clientlist[tempnick]->ident, "unknown",IDENTMAX);
- clientlist[tempnick]->registered = 0;
- clientlist[tempnick]->signon = TIME+dns_timeout;
- clientlist[tempnick]->lastping = 1;
- clientlist[tempnick]->port = port;
- strlcpy(clientlist[tempnick]->ip,ip,16);
-
- // set the registration timeout for this user
- unsigned long class_regtimeout = 90;
- int class_flood = 0;
- long class_threshold = 5;
- long class_sqmax = 262144; // 256kb
- long class_rqmax = 4096; // 4k
-
- for (ClassVector::iterator i = Classes.begin(); i != Classes.end(); i++)
- {
- if (match(clientlist[tempnick]->host,i->host) && (i->type == CC_ALLOW))
- {
- class_regtimeout = (unsigned long)i->registration_timeout;
- class_flood = i->flood;
- clientlist[tempnick]->pingmax = i->pingtime;
- class_threshold = i->threshold;
- class_sqmax = i->sendqmax;
- class_rqmax = i->recvqmax;
- break;
- }
- }
-
- clientlist[tempnick]->nping = TIME+clientlist[tempnick]->pingmax+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++)
- {
- clientlist[tempnick]->chans[i].channel = NULL;
- clientlist[tempnick]->chans[i].uc_modes = 0;
- }
-
- if (clientlist.size() > SoftLimit)
- {
- kill_link(clientlist[tempnick],"No more connections allowed");
- return;
- }
-
- if (clientlist.size() >= MAXCLIENTS)
- {
- kill_link(clientlist[tempnick],"No more connections allowed");
- return;
- }
-
- // this is done as a safety check to keep the file descriptors within range of fd_ref_table.
- // its a pretty big but for the moment valid assumption:
- // file descriptors are handed out starting at 0, and are recycled as theyre freed.
- // therefore if there is ever an fd over 65535, 65536 clients must be connected to the
- // irc server at once (or the irc server otherwise initiating this many connections, files etc)
- // which for the time being is a physical impossibility (even the largest networks dont have more
- // than about 10,000 users on ONE server!)
- if ((unsigned)socket > 65534)
- {
- kill_link(clientlist[tempnick],"Server is full");
- return;
- }
-
-
- char* e = matches_exception(ip);
- if (!e)
- {
- char* r = matches_zline(ip);
- if (r)
- {
- char reason[MAXBUF];
- snprintf(reason,MAXBUF,"Z-Lined: %s",r);
- kill_link(clientlist[tempnick],reason);
- return;
- }
- }
- fd_ref_table[socket] = clientlist[tempnick];
- engine_add_fd;
-
- // initialize their dns lookup thread
- //if (pthread_create(&clientlist[tempnick]->dnsthread, NULL, dns_task, (void *)clientlist[tempnick]) != 0)
- //{
- // log(DEBUG,"Failed to create DNS lookup thread for user %s",clientlist[tempnick]->nick);
- //}
-}
-
-/* shows the message of the day, and any other on-logon stuff */
-void FullConnectUser(userrec* user)
-{
- statsConnects++;
- user->idle_lastmsg = TIME;
- log(DEBUG,"ConnectUser: %s",user->nick);
-
- if ((strcmp(Passwd(user),"")) && (!user->haspassed))
- {
- kill_link(user,"Invalid password");
- return;
- }
- if (IsDenied(user))
- {
- kill_link(user,"Unauthorised connection");
- return;
- }
-
- char match_against[MAXBUF];
- snprintf(match_against,MAXBUF,"%s@%s",user->ident,user->host);
- char* e = matches_exception(match_against);
- if (!e)
- {
- char* r = matches_gline(match_against);
- if (r)
- {
- char reason[MAXBUF];
- snprintf(reason,MAXBUF,"G-Lined: %s",r);
- kill_link_silent(user,reason);
- return;
- }
- r = matches_kline(user->host);
- if (r)
- {
- char reason[MAXBUF];
- snprintf(reason,MAXBUF,"K-Lined: %s",r);
- kill_link_silent(user,reason);
- return;
- }
- }
-
- // 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);
- WriteServ(user->fd,"003 %s :This server was created %s %s",user->nick,__TIME__,__DATE__);
- WriteServ(user->fd,"004 %s %s %s iowghraAsORVSxNCWqBzvdHtGI lvhopsmntikrRcaqOALQbSeKVfHGCuzN",user->nick,ServerName,VERSION);
- // the neatest way to construct the initial 005 numeric, considering the number of configure constants to go in it...
- std::stringstream v;
- v << "MESHED WALLCHOPS MODES=13 CHANTYPES=# PREFIX=(ohv)@%+ MAP SAFELIST MAXCHANNELS=" << MAXCHANS;
- v << " MAXBANS=60 NICKLEN=" << NICKMAX;
- v << " TOPICLEN=" << MAXTOPIC << " KICKLEN=" << MAXKICK << " MAXTARGETS=20 AWAYLEN=" << MAXAWAY << " CHANMODES=ohvb,k,l,psmnti NETWORK=";
- v << Network;
- std::string data005 = v.str();
- FOREACH_MOD On005Numeric(data005);
- // anfl @ #ratbox, efnet reminded me that according to the RFC this cant contain more than 13 tokens per line...
- // so i'd better split it :)
- std::stringstream out(data005);
- std::string token = "";
- std::string line5 = "";
- int token_counter = 0;
- while (!out.eof())
- {
- out >> token;
- line5 = line5 + token + " ";
- token_counter++;
- if ((token_counter >= 13) || (out.eof() == true))
- {
- WriteServ(user->fd,"005 %s %s:are supported by this server",user->nick,line5.c_str());
- line5 = "";
- token_counter = 0;
- }
- }
- ShowMOTD(user);
-
- // fix by brain: these should be AFTER the N token, so other servers know what the HELL we're on about... :)
- FOREACH_MOD OnUserConnect(user);
- FOREACH_MOD OnGlobalConnect(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)
-{
- // dns is already done, things are fast. no need to wait for dns to complete just pass them straight on
- if ((user->dns_done) && (user->registered >= 3) && (AllModulesReportReady(user)))
- {
- FullConnectUser(user);
- }
-}
-
-std::string GetVersionString()
-{
- 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;
- char socketengine[] = engine_name;
- snprintf(versiondata,MAXBUF,"%s Rev. %s %s :%s (O=%lu) [SE=%s]",VERSION,v2,ServerName,SYSTEM,(unsigned long)OPTIMISATION,socketengine);
- return versiondata;
-}
-
-void handle_version(char **parameters, int pcnt, userrec *user)
-{
- WriteServ(user->fd,"351 %s :%s",user->nick,GetVersionString().c_str());
-}
-
-
-bool is_valid_cmd(const char* commandname, int pcnt, userrec * user)
-{
- for (unsigned int i = 0; i < cmdlist.size(); i++)
- {
- if (!strcasecmp(cmdlist[i].command,commandname))
- {
- if (cmdlist[i].handler_function)
- {
- if ((pcnt>=cmdlist[i].min_params) && (strcasecmp(cmdlist[i].source,"<core>")))
- {
- if ((strchr(user->modes,cmdlist[i].flags_needed)) || (!cmdlist[i].flags_needed))
- {
- if (cmdlist[i].flags_needed)
- {
- if (user->HasPermission((char*)commandname))
- {
- return true;
- }
- else
- {
- return false;
- }
- }
- return true;
- }
- }
- }
- }
- }
- return false;
-}
-
-// calls a handler function for a command
-
-void call_handler(const char* commandname,char **parameters, int pcnt, userrec *user)
-{
- for (unsigned int i = 0; i < cmdlist.size(); i++)
- {
- if (!strcasecmp(cmdlist[i].command,commandname))
- {
- if (cmdlist[i].handler_function)
- {
- if (pcnt>=cmdlist[i].min_params)
- {
- if ((strchr(user->modes,cmdlist[i].flags_needed)) || (!cmdlist[i].flags_needed))
- {
- if (cmdlist[i].flags_needed)
- {
- if (user->HasPermission((char*)commandname))
- {
- cmdlist[i].handler_function(parameters,pcnt,user);
- }
- }
- else
- {
- cmdlist[i].handler_function(parameters,pcnt,user);
- }
- }
- }
- }
- }
- }
-}
-
-
-void force_nickchange(userrec* user,const char* newnick)
-{
- char nick[MAXBUF];
- int MOD_RESULT = 0;
-
- strcpy(nick,"");
-
- 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 (user)
- {
- if (newnick)
- {
- strncpy(nick,newnick,MAXBUF);
- }
- if (user->registered == 7)
- {
- char* pars[1];
- pars[0] = nick;
- handle_nick(pars,1,user);
- }
- }
-}
-
-
-int process_parameters(char **command_p,char *parameters)
-{
- int j = 0;
- int q = strlen(parameters);
- if (!q)
- {
- /* no parameters, command_p invalid! */
- return 0;
- }
- if (parameters[0] == ':')
- {
- command_p[0] = parameters+1;
- return 1;
- }
- if (q)
- {
- if ((strchr(parameters,' ')==NULL) || (parameters[0] == ':'))
- {
- /* only one parameter */
- command_p[0] = parameters;
- if (parameters[0] == ':')
- {
- if (strchr(parameters,' ') != NULL)
- {
- command_p[0]++;
- }
- }
- return 1;
- }
- }
- command_p[j++] = parameters;
- for (int i = 0; i <= q; i++)
- {
- if (parameters[i] == ' ')
- {
- command_p[j++] = parameters+i+1;
- parameters[i] = '\0';
- if (command_p[j-1][0] == ':')
- {
- *command_p[j-1]++; /* remove dodgy ":" */
- break;
- /* parameter like this marks end of the sequence */
- }
- }
- }
- return j; /* returns total number of items in the list */
-}
-
-void process_command(userrec *user, char* cmd)
-{
- char *parameters;
- char *command;
- char *command_p[127];
- char p[MAXBUF], temp[MAXBUF];
- int j, items, cmd_found;
-
- for (int i = 0; i < 127; i++)
- command_p[i] = NULL;
-
- if (!user)
- {
- return;
- }
- if (!cmd)
- {
- return;
- }
- if (!cmd[0])
- {
- return;
- }
-
- int total_params = 0;
- if (strlen(cmd)>2)
- {
- for (unsigned int q = 0; q < strlen(cmd)-1; q++)
- {
- if ((cmd[q] == ' ') && (cmd[q+1] == ':'))
- {
- total_params++;
- // found a 'trailing', we dont count them after this.
- break;
- }
- if (cmd[q] == ' ')
- total_params++;
- }
- }
-
- // another phidjit bug...
- if (total_params > 126)
- {
- *(strchr(cmd,' ')) = '\0';
- WriteServ(user->fd,"421 %s %s :Too many parameters given",user->nick,cmd);
- return;
- }
-
- strlcpy(temp,cmd,MAXBUF);
-
- std::string tmp = cmd;
- for (int i = 0; i <= MODCOUNT; i++)
- {
- std::string oldtmp = tmp;
- modules[i]->OnServerRaw(tmp,true,user);
- if (oldtmp != tmp)
- {
- log(DEBUG,"A Module changed the input string!");
- log(DEBUG,"New string: %s",tmp.c_str());
- log(DEBUG,"Old string: %s",oldtmp.c_str());
- break;
- }
- }
- strlcpy(cmd,tmp.c_str(),MAXBUF);
- strlcpy(temp,cmd,MAXBUF);
-
- if (!strchr(cmd,' '))
- {
- /* no parameters, lets skip the formalities and not chop up
- * the string */
- log(DEBUG,"About to preprocess command with no params");
- items = 0;
- command_p[0] = NULL;
- parameters = NULL;
- for (unsigned int i = 0; i <= strlen(cmd); i++)
- {
- cmd[i] = toupper(cmd[i]);
- }
- command = cmd;
- }
- else
- {
- strcpy(cmd,"");
- j = 0;
- /* strip out extraneous linefeeds through mirc's crappy pasting (thanks Craig) */
- for (unsigned int i = 0; i < strlen(temp); i++)
- {
- if ((temp[i] != 10) && (temp[i] != 13) && (temp[i] != 0) && (temp[i] != 7))
- {
- cmd[j++] = temp[i];
- cmd[j] = 0;
- }
- }
- /* split the full string into a command plus parameters */
- parameters = p;
- strcpy(p," ");
- command = cmd;
- if (strchr(cmd,' '))
- {
- for (unsigned int i = 0; i <= strlen(cmd); i++)
- {
- /* capitalise the command ONLY, leave params intact */
- cmd[i] = toupper(cmd[i]);
- /* are we nearly there yet?! :P */
- if (cmd[i] == ' ')
- {
- command = cmd;
- parameters = cmd+i+1;
- cmd[i] = '\0';
- break;
- }
- }
- }
- else
- {
- for (unsigned int i = 0; i <= strlen(cmd); i++)
- {
- cmd[i] = toupper(cmd[i]);
- }
- }
-
- }
- cmd_found = 0;
-
- if (strlen(command)>MAXCOMMAND)
- {
- WriteServ(user->fd,"421 %s %s :Command too long",user->nick,command);
- return;
- }
-
- for (unsigned int x = 0; x < strlen(command); x++)
- {
- if (((command[x] < 'A') || (command[x] > 'Z')) && (command[x] != '.'))
- {
- if (((command[x] < '0') || (command[x]> '9')) && (command[x] != '-'))
- {
- if (strchr("@!\"$%^&*(){}[]_=+;:'#~,<>/?\\|`",command[x]))
- {
- statsUnknown++;
- WriteServ(user->fd,"421 %s %s :Unknown command",user->nick,command);
- return;
- }
- }
- }
- }
-
- for (unsigned int i = 0; i != cmdlist.size(); i++)
- {
- if (cmdlist[i].command[0])
- {
- if (strlen(command)>=(strlen(cmdlist[i].command))) if (!strncmp(command, cmdlist[i].command,MAXCOMMAND))
- {
- if (parameters)
- {
- if (parameters[0])
- {
- items = process_parameters(command_p,parameters);
- }
- else
- {
- items = 0;
- command_p[0] = NULL;
- }
- }
- else
- {
- items = 0;
- command_p[0] = NULL;
- }
-
- if (user)
- {
- /* activity resets the ping pending timer */
- user->nping = TIME + user->pingmax;
- if ((items) < cmdlist[i].min_params)
- {
- log(DEBUG,"process_command: not enough parameters: %s %s",user->nick,command);
- WriteServ(user->fd,"461 %s %s :Not enough parameters",user->nick,command);
- return;
- }
- if ((!strchr(user->modes,cmdlist[i].flags_needed)) && (cmdlist[i].flags_needed))
- {
- log(DEBUG,"process_command: permission denied: %s %s",user->nick,command);
- WriteServ(user->fd,"481 %s :Permission Denied- You do not have the required operator privilages",user->nick);
- cmd_found = 1;
- return;
- }
- if ((cmdlist[i].flags_needed) && (!user->HasPermission(command)))
- {
- log(DEBUG,"process_command: permission denied: %s %s",user->nick,command);
- WriteServ(user->fd,"481 %s :Permission Denied- Oper type %s does not have access to command %s",user->nick,user->oper,command);
- cmd_found = 1;
- return;
- }
- /* if the command isnt USER, PASS, or NICK, and nick is empty,
- * deny command! */
- if ((strncmp(command,"USER",4)) && (strncmp(command,"NICK",4)) && (strncmp(command,"PASS",4)))
- {
- if ((!isnick(user->nick)) || (user->registered != 7))
- {
- log(DEBUG,"process_command: not registered: %s %s",user->nick,command);
- WriteServ(user->fd,"451 %s :You have not registered",command);
- return;
- }
- }
- if ((user->registered == 7) && (!strchr(user->modes,'o')))
- {
- std::stringstream dcmds(DisabledCommands);
- while (!dcmds.eof())
- {
- std::string thiscmd;
- dcmds >> thiscmd;
- if (!strcasecmp(thiscmd.c_str(),command))
- {
- // command is disabled!
- WriteServ(user->fd,"421 %s %s :This command has been disabled.",user->nick,command);
- return;
- }
- }
- }
- if ((user->registered == 7) || (!strncmp(command,"USER",4)) || (!strncmp(command,"NICK",4)) || (!strncmp(command,"PASS",4)))
- {
- if (cmdlist[i].handler_function)
- {
-
- /* ikky /stats counters */
- if (temp)
- {
- cmdlist[i].use_count++;
- cmdlist[i].total_bytes+=strlen(temp);
- }
- int MOD_RESULT = 0;
- FOREACH_RESULT(OnPreCommand(command,command_p,items,user));
- if (MOD_RESULT == 1) {
- return;
- }
+extern std::vector<Module*> modules;
+extern std::vector<ircd_module*> factory;
+std::vector<InspSocket*> module_sockets;
+std::vector<userrec*> local_users;
- /* WARNING: nothing may come after the
- * command handler call, as the handler
- * may free the user structure! */
+extern int MODCOUNT;
+int openSockfd[MAXSOCKS];
+sockaddr_in client,server;
+socklen_t length;
- cmdlist[i].handler_function(command_p,items,user);
- }
- return;
- }
- else
- {
- WriteServ(user->fd,"451 %s :You have not registered",command);
- return;
- }
- }
- cmd_found = 1;
- }
- }
- }
- if ((!cmd_found) && (user))
+extern InspSocket* socket_ref[65535];
+
+time_t TIME = time(NULL), OLDTIME = time(NULL);
+
+SocketEngine* SE = NULL;
+
+// 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];
+
+Server* MyServer = new Server;
+ServerConfig *Config = new ServerConfig;
+
+user_hash clientlist;
+chan_hash chanlist;
+whowas_hash whowas;
+servernamelist servernames;
+char lowermap[255];
+
+void AddServerName(std::string servername)
+{
+ log(DEBUG,"Adding server name: %s",servername.c_str());
+ for (servernamelist::iterator a = servernames.begin(); a < servernames.end(); a++)
{
- statsUnknown++;
- WriteServ(user->fd,"421 %s %s :Unknown command",user->nick,command);
+ if (*a == servername)
+ return;
}
+ servernames.push_back(servername);
}
-bool removecommands(const char* source)
+const char* FindServerNamePtr(std::string servername)
{
- bool go_again = true;
- while (go_again)
+ for (servernamelist::iterator a = servernames.begin(); a < servernames.end(); a++)
{
- go_again = false;
- for (std::deque<command_t>::iterator i = cmdlist.begin(); i != cmdlist.end(); i++)
- {
- if (!strcmp(i->source,source))
- {
- log(DEBUG,"removecommands(%s) Removing dependent command: %s",i->source,i->command);
- cmdlist.erase(i);
- go_again = true;
- break;
- }
- }
+ if (*a == servername)
+ return a->c_str();
}
- return true;
+ AddServerName(servername);
+ return FindServerNamePtr(servername);
}
+std::string InspIRCd::GetRevision()
+{
+ /* w00t got me to replace a bunch of strtok_r
+ * with something nicer, so i did this. Its the
+ * same thing really, only in C++. It places the
+ * text into a std::stringstream which is a readable
+ * and writeable buffer stream, and then pops two
+ * words off it, space delimited. Because it reads
+ * into the same variable twice, the first word
+ * is discarded, and the second one returned.
+ */
+ std::stringstream Revision("$Revision$");
+ std::string single;
+ Revision >> single >> single;
+ return single;
+}
-void process_buffer(const char* cmdbuf,userrec *user)
+void InspIRCd::MakeLowerMap()
{
- if (!user)
- {
- log(DEFAULT,"*** BUG *** process_buffer was given an invalid parameter");
- return;
- }
- char cmd[MAXBUF];
- if (!cmdbuf)
- {
- log(DEFAULT,"*** BUG *** process_buffer was given an invalid parameter");
- return;
- }
- if (!cmdbuf[0])
- {
- return;
- }
- while (*cmdbuf == ' ') cmdbuf++; // strip leading spaces
+ // initialize the lowercase mapping table
+ for (unsigned int cn = 0; cn < 256; cn++)
+ lowermap[cn] = cn;
+ // lowercase the uppercase chars
+ for (unsigned int cn = 65; cn < 91; cn++)
+ lowermap[cn] = tolower(cn);
+ // now replace the specific chars for scandanavian comparison
+ lowermap[(unsigned)'['] = '{';
+ lowermap[(unsigned)']'] = '}';
+ lowermap[(unsigned)'\\'] = '|';
+}
- strlcpy(cmd,cmdbuf,MAXBUF);
- if (!cmd[0])
- {
- return;
- }
- int sl = strlen(cmd)-1;
- if ((cmd[sl] == 13) || (cmd[sl] == 10))
- {
- cmd[sl] = '\0';
- }
- sl = strlen(cmd)-1;
- if ((cmd[sl] == 13) || (cmd[sl] == 10))
+InspIRCd::InspIRCd(int argc, char** argv)
+{
+ Start();
+ module_sockets.clear();
+ this->startup_time = time(NULL);
+ srand(time(NULL));
+ log(DEBUG,"*** InspIRCd starting up!");
+ if (!FileExists(CONFIG_FILE))
{
- cmd[sl] = '\0';
+ printf("ERROR: Cannot open config file: %s\nExiting...\n",CONFIG_FILE);
+ log(DEFAULT,"main: no config");
+ printf("ERROR: Your config file is missing, this IRCd will self destruct in 10 seconds!\n");
+ Exit(ERROR);
}
- sl = strlen(cmd)-1;
- while (cmd[sl] == ' ') // strip trailing spaces
- {
- cmd[sl] = '\0';
- sl = strlen(cmd)-1;
+ if (argc > 1) {
+ for (int i = 1; i < argc; i++)
+ {
+ if (!strcmp(argv[i],"-nofork")) {
+ Config->nofork = true;
+ }
+ if (!strcmp(argv[i],"-wait")) {
+ sleep(6);
+ }
+ if (!strcmp(argv[i],"-nolimit")) {
+ Config->unlimitcore = true;
+ }
+ }
}
- if (!cmd[0])
- {
- return;
- }
- log(DEBUG,"CMDIN: %s %s",user->nick,cmd);
- tidystring(cmd);
- if ((user) && (cmd))
- {
- process_command(user,cmd);
- }
+ strlcpy(Config->MyExecutable,argv[0],MAXBUF);
+
+ this->MakeLowerMap();
+
+ OpenLog(argv, argc);
+ Config->ClearStack();
+ Config->Read(true,NULL);
+ CheckRoot();
+ this->ModeGrok = new ModeParser();
+ this->Parser = new CommandParser();
+ this->stats = new serverstats();
+ AddServerName(Config->ServerName);
+ CheckDie();
+ stats->BoundPortCount = BindPorts();
+
+ printf("\n");
+ if (!Config->nofork)
+ {
+ if (DaemonSeed() == ERROR)
+ {
+ printf("ERROR: could not go into daemon mode. Shutting down.\n");
+ Exit(ERROR);
+ }
+ }
+
+ /* Because of limitations in kqueue on freebsd, we must fork BEFORE we
+ * initialize the socket engine.
+ */
+ SE = new SocketEngine();
+
+ /* We must load the modules AFTER initializing the socket engine, now */
+
+ return;
}
-char MODERR[MAXBUF];
+std::string InspIRCd::GetVersionString()
+{
+ char versiondata[MAXBUF];
+#ifdef THREADED_DNS
+ char dnsengine[] = "multithread";
+#else
+ char dnsengine[] = "singlethread";
+#endif
+ snprintf(versiondata,MAXBUF,"%s Rev. %s %s :%s [FLAGS=%lu,%s,%s]",VERSION,GetRevision().c_str(),Config->ServerName,SYSTEM,(unsigned long)OPTIMISATION,SE->GetName().c_str(),dnsengine);
+ return versiondata;
+}
-char* ModuleError()
+char* InspIRCd::ModuleError()
{
return MODERR;
}
-void erase_factory(int j)
+void InspIRCd::erase_factory(int j)
{
int v = 0;
for (std::vector<ircd_module*>::iterator t = factory.begin(); t != factory.end(); t++)
}
}
-void erase_module(int j)
+void InspIRCd::erase_module(int j)
{
int v1 = 0;
for (std::vector<Module*>::iterator m = modules.begin(); m!= modules.end(); m++)
v1++;
}
int v2 = 0;
- for (std::vector<std::string>::iterator v = module_names.begin(); v != module_names.end(); v++)
+ for (std::vector<std::string>::iterator v = Config->module_names.begin(); v != Config->module_names.end(); v++)
{
if (v2 == j)
{
- module_names.erase(v);
+ Config->module_names.erase(v);
break;
}
v2++;
}
-bool UnloadModule(const char* filename)
+bool InspIRCd::UnloadModule(const char* filename)
{
std::string filename_str = filename;
- for (unsigned int j = 0; j != module_names.size(); j++)
+ for (unsigned int j = 0; j != Config->module_names.size(); j++)
{
- if (module_names[j] == filename_str)
+ if (Config->module_names[j] == filename_str)
{
if (modules[j]->GetVersion().Flags & VF_STATIC)
{
snprintf(MODERR,MAXBUF,"Module not unloadable (marked static)");
return false;
}
- FOREACH_MOD OnUnloadModule(modules[j],module_names[j]);
+ /* Give the module a chance to tidy out all its metadata */
+ for (chan_hash::iterator c = chanlist.begin(); c != chanlist.end(); c++)
+ {
+ modules[j]->OnCleanup(TYPE_CHANNEL,c->second);
+ }
+ for (user_hash::iterator u = clientlist.begin(); u != clientlist.end(); u++)
+ {
+ modules[j]->OnCleanup(TYPE_USER,u->second);
+ }
+ FOREACH_MOD OnUnloadModule(modules[j],Config->module_names[j]);
// found the module
log(DEBUG,"Deleting module...");
erase_module(j);
log(DEBUG,"Erasing module entry...");
erase_factory(j);
log(DEBUG,"Removing dependent commands...");
- removecommands(filename);
+ Parser->RemoveCommands(filename);
log(DEFAULT,"Module %s unloaded",filename);
MODCOUNT--;
return true;
return false;
}
-bool LoadModule(const char* filename)
+bool InspIRCd::LoadModule(const char* filename)
{
char modfile[MAXBUF];
#ifdef STATIC_LINK
snprintf(modfile,MAXBUF,"%s",filename);
#else
- snprintf(modfile,MAXBUF,"%s/%s",ModPath,filename);
+ snprintf(modfile,MAXBUF,"%s/%s",Config->ModPath,filename);
#endif
std::string filename_str = filename;
#ifndef STATIC_LINK
if (FileExists(modfile))
{
#endif
- for (unsigned int j = 0; j < module_names.size(); j++)
+ for (unsigned int j = 0; j < Config->module_names.size(); j++)
{
- if (module_names[j] == filename_str)
+ if (Config->module_names[j] == filename_str)
{
log(DEFAULT,"Module %s is already loaded, cannot load a module twice!",modfile);
snprintf(MODERR,MAXBUF,"Module already loaded");
}
if (factory[MODCOUNT+1]->factory)
{
- Module* m = factory[MODCOUNT+1]->factory->CreateModule();
+ Module* m = factory[MODCOUNT+1]->factory->CreateModule(MyServer);
modules[MODCOUNT+1] = m;
/* save the module and the module's classfactory, if
* this isnt done, random crashes can occur :/ */
- module_names.push_back(filename);
+ Config->module_names.push_back(filename);
}
else
{
return true;
}
-
-int InspIRCd(char** argv, int argc)
+int InspIRCd::Run()
{
- struct sockaddr_in client,server;
- char addrs[MAXBUF][255];
- int incomingSockfd, result = TRUE;
- socklen_t length;
- int count = 0;
-#ifdef USE_SELECT
- int selectResult = 0, selectResult2 = 0;
- fd_set selectFds;
-#endif
- char configToken[MAXBUF], Addr[MAXBUF], Type[MAXBUF];
- timeval tv;
-
- 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 %s, bailing!\n\n",logpath.c_str());
- Exit(ERROR);
- }
-
-#ifdef IS_CYGWIN
- printf("Logging to ircd.log...\n");
-#else
- printf("Logging to %s...\n",logpath.c_str());
-#endif
+ bool expire_run = false;
+ std::vector<int> activefds;
+ int incomingSockfd;
+ int in_port;
+ userrec* cu = NULL;
+ InspSocket* s = NULL;
+ InspSocket* s_del = NULL;
+ char* target;
+ unsigned int numberactive;
+ sockaddr_in sock_us; // our port number
+ socklen_t uslen; // length of our port number
- log(DEFAULT,"$Id$");
- if (geteuid() == 0)
- {
- printf("WARNING!!! You are running an irc server as ROOT!!! DO NOT DO THIS!!!\n\n");
- Exit(ERROR);
- log(DEFAULT,"InspIRCd: startup: not starting with UID 0!");
- }
- SetupCommandTable();
- log(DEBUG,"InspIRCd: startup: default command table set up");
+ /* Until THIS point, ServerInstance == NULL */
- ReadConfig(true,NULL);
- if (DieValue[0])
- {
- printf("WARNING: %s\n\n",DieValue);
- log(DEFAULT,"Ut-Oh, somebody didn't read their config file: '%s'",DieValue);
- exit(0);
- }
- log(DEBUG,"InspIRCd: startup: read config");
-
- AddServerName(ServerName);
-
- int clientportcount = 0;
+ LoadAllModules(this);
- for (count = 0; count < ConfValueEnum("bind",&config_f); count++)
- {
- ConfValue("bind","port",count,configToken,&config_f);
- ConfValue("bind","address",count,Addr,&config_f);
- ConfValue("bind","type",count,Type,&config_f);
- if (!strcmp(Type,"servers"))
- {
- // modules handle this bind type now.
- }
- else
- {
- ports[clientportcount] = atoi(configToken);
- strlcpy(addrs[clientportcount],Addr,256);
- clientportcount++;
- }
- log(DEBUG,"InspIRCd: startup: read binding %s:%s [%s] from config",Addr,configToken, Type);
- }
- portCount = clientportcount;
-
- log(DEBUG,"InspIRCd: startup: read %lu total client ports",(unsigned long)portCount);
- log(DEBUG,"InspIRCd: startup: InspIRCd is now starting!");
-
- printf("\n");
-
- /* BugFix By Craig! :p */
- MODCOUNT = -1;
- for (count = 0; count < ConfValueEnum("module",&config_f); count++)
- {
- ConfValue("module","name",count,configToken,&config_f);
- printf("Loading module... \033[1;32m%s\033[0m\n",configToken);
- if (!LoadModule(configToken))
- {
- 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(DEFAULT,"Total loaded modules: %lu",(unsigned long)MODCOUNT+1);
-
- startup_time = time(NULL);
-
- char PID[MAXBUF];
- ConfValue("pid","file",0,PID,&config_f);
- // write once here, to try it out and make sure its ok
- WritePID(PID);
-
- /* setup select call */
-#ifdef USE_SELECT
- FD_ZERO(&selectFds);
-#endif
- log(DEBUG,"InspIRCd: startup: zero selects");
- log(VERBOSE,"InspIRCd: startup: portCount = %lu", (unsigned long)portCount);
-
- for (count = 0; count < portCount; count++)
- {
- if ((openSockfd[boundPortCount] = OpenTCPSocket()) == ERROR)
- {
- log(DEBUG,"InspIRCd: startup: bad fd %lu",(unsigned long)openSockfd[boundPortCount]);
- return(ERROR);
- }
- if (BindSocket(openSockfd[boundPortCount],client,server,ports[count],addrs[count]) == ERROR)
- {
- log(DEFAULT,"InspIRCd: startup: failed to bind port %lu",(unsigned long)ports[count]);
- }
- else /* well we at least bound to one socket so we'll continue */
- {
- boundPortCount++;
- }
- }
+ printf("\nInspIRCd is now running!\n");
- log(DEBUG,"InspIRCd: startup: total bound ports %lu",(unsigned long)boundPortCount);
-
- /* if we didn't bind to anything then abort */
- if (boundPortCount == 0)
+ if (!Config->nofork)
{
- log(DEFAULT,"InspIRCd: startup: no ports bound, bailing!");
- printf("\nERROR: Was not able to bind any of %lu ports! Please check your configuration.\n\n", (unsigned long)portCount);
- return (ERROR);
+ freopen("/dev/null","w",stdout);
+ freopen("/dev/null","w",stderr);
}
-
-
- printf("\nInspIRCd is now running!\n");
-
- if (nofork)
- {
- log(VERBOSE,"Not forking as -nofork was specified");
- }
- else
- {
- if (DaemonSeed() == ERROR)
- {
- log(DEFAULT,"InspIRCd: startup: can't daemonise");
- printf("ERROR: could not go into daemon mode. Shutting down.\n");
- Exit(ERROR);
- }
- }
-
- engine_init;
- engine_server_fill;
- WritePID(PID);
+ /* Add the listening sockets used for client inbound connections
+ * to the socket engine
+ */
+ for (int count = 0; count < stats->BoundPortCount; count++)
+ SE->AddFd(openSockfd[count],true,X_LISTEN);
- length = sizeof (client);
- engine_structs;
- timeval tvs;
- tvs.tv_usec = 10000L;
- tvs.tv_sec = 0;
- tv.tv_sec = 0;
- tv.tv_usec = 10000L;
- char data[65536];
- timeval tval;
- tval.tv_usec = 10000L;
- tval.tv_sec = 0;
- int total_in_this_set = 0;
- int i = 0, v = 0, j = 0, cycle_iter = 0;
- bool expire_run = false;
+ WritePID(Config->PID);
- cycle_iter = i = j = 0; // stop the compiler whining - these may be marked unused in certain socket engine types
-
/* main loop, this never returns */
for (;;)
{
-#ifdef _POSIX_PRIORITY_SCHEDULING
- sched_yield();
-#endif
-#ifdef USE_SELECT
- FD_ZERO(&sfd);
-#endif
- // we only read time() once per iteration rather than tons of times!
+ /* time() seems to be a pretty expensive syscall, so avoid calling it too much.
+ * Once per loop iteration is pleanty.
+ */
OLDTIME = TIME;
TIME = time(NULL);
- dns_poll();
-
- unsigned int numsockets = module_sockets.size();
- for (std::vector<InspSocket*>::iterator a = module_sockets.begin(); a < module_sockets.end(); a++)
- {
- InspSocket* s = (InspSocket*)*a;
- if ((s) && (!s->Poll()))
- {
- log(DEBUG,"Socket poll returned false, close and bail");
- s->Close();
- module_sockets.erase(a);
- delete s;
- break;
- }
- // we gained a socket, sarper
- if (module_sockets.size() != numsockets) break;
- }
-
- // *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))
+ /* Run background module timers every few seconds
+ * (the docs say modules shouldnt rely on accurate
+ * timing using this event, so we dont have to
+ * time this exactly).
+ */
+ if (((TIME % 8) == 0) && (!expire_run))
{
expire_lines();
FOREACH_MOD OnBackgroundTimer(TIME);
expire_run = true;
continue;
}
- if ((TIME % 5) == 1)
+ if ((TIME % 8) == 1)
expire_run = false;
- // fix by brain - this must be below any manipulation of the hashmap by modules
- user_hash::iterator count2 = clientlist.begin();
-
-
- while (count2 != clientlist.end())
- {
-#ifdef USE_SELECT
- FD_ZERO(&sfd);
-#endif
-
- total_in_this_set = 0;
+ /* Once a second, do the background processing */
+ if (TIME != OLDTIME)
+ while (DoBackgroundUserStuff(TIME));
+
+ /* Call the socket engine to wait on the active
+ * file descriptors. The socket engine has everything's
+ * descriptors in its list... dns, modules, users,
+ * servers... so its nice and easy, just one call.
+ */
+ SE->Wait(activefds);
+
+ /**
+ * Now process each of the fd's. For users, we have a fast
+ * lookup table which can find a user by file descriptor, so
+ * processing them by fd isnt expensive. If we have a lot of
+ * listening ports or module sockets though, things could get
+ * ugly.
+ */
+ numberactive = activefds.size();
+ for (unsigned int activefd = 0; activefd < numberactive; activefd++)
+ {
+ int socket_type = SE->GetType(activefds[activefd]);
+ switch (socket_type)
+ {
+ case X_ESTAB_CLIENT:
+
+ cu = fd_ref_table[activefds[activefd]];
+ if (cu)
+ ProcessUser(cu);
- user_hash::iterator xcount = count2;
- user_hash::iterator endingiter = count2;
-
- if (count2 == clientlist.end()) break;
-
- userrec* curr = NULL;
+ break;
- if (count2->second)
- curr = count2->second;
+ case X_ESTAB_MODULE:
- if ((long)curr == -1)
- goto label;
+ /* Process module-owned sockets.
+ * Modules are encouraged to inherit their sockets from
+ * InspSocket so we can process them neatly like this.
+ */
+ s = socket_ref[activefds[activefd]];
- 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.
-#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 ((currfd != -1) && (currfd != FD_MAGIC_NUMBER))
- {
- 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 (((unsigned)TIME > (unsigned)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");
- 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))) // both NICK and USER... and DNS
- {
- 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
- }
- }
- count2++;
- total_in_this_set++;
- }
- else break;
- }
- endingiter = count2;
- count2 = xcount; // roll back to where we were
-#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())
+ if ((s) && (!s->Poll()))
{
- 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))
+ log(DEBUG,"Socket poll returned false, close and bail");
+ SE->DelFd(s->GetFd());
+ for (std::vector<InspSocket*>::iterator a = module_sockets.begin(); a < module_sockets.end(); a++)
{
- 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 (((unsigned)TIME > (unsigned)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))
+ s_del = (InspSocket*)*a;
+ if ((s_del) && (s_del->GetFd() == activefds[activefd]))
{
- 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
+ module_sockets.erase(a);
+ break;
}
}
+ s->Close();
+ delete s;
}
- else break;
- count2++;
- }
- // increment the counter right to the end of the list, as kqueue processes everything in one go
-#endif
-
- v = 0;
- engine_fill;
-#ifdef _POSIX_PRIORITY_SCHEDULING
- sched_yield();
+ break;
+
+ case X_ESTAB_DNS:
+
+ /* When we are using single-threaded dns,
+ * the sockets for dns end up in our mainloop.
+ * When we are using multi-threaded dns,
+ * each thread has its own basic poll() loop
+ * within it, making them 'fire and forget'
+ * and independent of the mainloop.
+ */
+#ifndef THREADED_DNS
+ dns_poll(activefds[activefd]);
#endif
- result = EAGAIN;
- if (engine_check)
+ break;
+
+ case X_LISTEN:
+
+ /* It's a listener */
+ uslen = sizeof(sock_us);
+ length = sizeof(client);
+ incomingSockfd = accept (activefds[activefd],(struct sockaddr*)&client,&length);
+ if (!getsockname(incomingSockfd,(sockaddr*)&sock_us,&uslen))
{
- 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 = cu->ReadData(data, 65535);
- }
- else
- {
- log(DEBUG,"Data result returned by module: %d",MOD_RESULT);
- result = result2;
- }
- log(DEBUG,"Read result: %d",result);
- if (result)
+ in_port = ntohs(sock_us.sin_port);
+ log(DEBUG,"Accepted socket %d",incomingSockfd);
+ target = (char*)inet_ntoa(client.sin_addr);
+ /* Years and years ago, we used to resolve here
+ * using gethostbyaddr(). That is sucky and we
+ * don't do that any more...
+ */
+ if (incomingSockfd >= 0)
{
- 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: *"
- for (int checker = 0; checker < result; checker++)
- {
- if ((data[checker] == 0) || (data[checker] == 7))
- data[checker] = ' ';
- }
- if (result > 0)
- data[result] = '\0';
- userrec* current = cu;
- int currfd = current->fd;
- int floodlines = 0;
- // 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() > (unsigned)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())
+ if (Config->GetIOHook(in_port))
{
- floodlines++;
- 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);
- kill_link(current,"Excess flood");
- goto label;
- }
- if ((floodlines > current->flood) && (current->flood != 0))
- {
- if (current->registered == 7)
- {
- 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;
- }
- 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
- process_buffer(sanitized,current);
- // 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;
-
- }
+ Config->GetIOHook(in_port)->OnRawSocketAccept(incomingSockfd, target, in_port);
}
- goto label;
+ stats->statsAccept++;
+ AddClient(incomingSockfd, target, in_port, false, target);
+ log(DEBUG,"Adding client on port %lu fd=%lu",(unsigned long)in_port,(unsigned long)incomingSockfd);
}
-
- if ((result == -1) && (errno != EAGAIN) && (errno != EINTR))
+ else
{
- log(DEBUG,"killing: %s",cu->nick);
- kill_link(cu,strerror(errno));
- goto label;
+ WriteOpers("*** WARNING: accept() failed on port %lu (%s)",(unsigned long)in_port,target);
+ log(DEBUG,"accept failed: %lu",(unsigned long)in_port);
+ stats->statsRefused++;
}
}
- // result EAGAIN means nothing read
- if (result == EAGAIN)
- {
- }
else
- if (result == 0)
{
- engine_cleanup;
+ log(DEBUG,"Couldnt look up the port number for fd %lu (OS BROKEN?!)",incomingSockfd);
+ shutdown(incomingSockfd,2);
+ close(incomingSockfd);
}
- else if (result > 0)
- {
- }
- }
- }
- for (int q = 0; q < total_in_this_set; q++)
- {
- count2++;
- }
- }
-
-#ifdef _POSIX_PRIORITY_SCHEDULING
- sched_yield();
-#endif
-
+ break;
- engine_scanset;
- char target[MAXBUF], resolved[MAXBUF];
- length = sizeof (client);
- incomingSockfd = accept (openSockfd[count], (struct sockaddr *) &client, &length);
- log(DEBUG,"Accepted socket %d",incomingSockfd);
-
- strlcpy (target, (char *) inet_ntoa (client.sin_addr), MAXBUF);
- strlcpy (resolved, target, MAXBUF);
-
- if (incomingSockfd < 0)
- {
- 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);
- }
+ default:
+ /* Something went wrong if we're in here.
+ * In fact, so wrong, im not quite sure
+ * what we would do, so for now, its going
+ * to safely do bugger all.
+ */
+ break;
}
}
+
}
- label:
- if (0) {};
-#ifdef _POSIX_PRIORITY_SCHEDULING
- sched_yield();
- sched_yield();
-#endif
+ /* This is never reached -- we hope! */
+ return 0;
}
-/* not reached */
-close (incomingSockfd);
-return 0;
+
+/**********************************************************************************/
+
+/**
+ * An ircd in four lines! bwahahaha. ahahahahaha. ahahah *cough*.
+ */
+
+int main(int argc, char** argv)
+{
+ ServerInstance = new InspIRCd(argc, argv);
+ ServerInstance->Run();
+ delete ServerInstance;
+ return 0;
}
projects / user / henk / code / inspircd.git / blobdiff