* | Inspire Internet Relay Chat Daemon |
* +------------------------------------+
*
- * Inspire is copyright (C) 2002-2004 ChatSpike-Dev.
+ * InspIRCd is copyright (C) 2002-2006 ChatSpike-Dev.
* E-mail:
* <brain@chatspike.net>
* <Craig@chatspike.net>
#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>
-#include "connection.h"
+#ifdef THREADED_DNS
+#include <pthread.h>
+#endif
#include "users.h"
-#include "servers.h"
#include "ctables.h"
#include "globals.h"
#include "modules.h"
#include "dnsqueue.h"
#include "helperfuncs.h"
#include "hashcomp.h"
+#include "socketengine.h"
+#include "userprocess.h"
+#include "socket.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;
+std::vector<userrec*> local_users;
+
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
+sockaddr_in client,server;
+socklen_t length;
-bool has_been_netsplit = false;
-extern std::vector<std::string> include_stack;
+extern InspSocket* socket_ref[MAX_DESCRIPTORS];
-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;
+time_t TIME = time(NULL), OLDTIME = time(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];
-
-int statsAccept = 0, statsRefused = 0, statsUnknown = 0, statsCollisions = 0, statsDns = 0, statsDnsGood = 0, statsDnsBad = 0, statsConnects = 0, statsSent= 0, statsRecv = 0;
+userrec* fd_ref_table[MAX_DESCRIPTORS];
-serverrec* me[32];
-
-FILE *log_file;
+Server* MyServer = new Server;
+ServerConfig *Config = new ServerConfig;
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];
-int defaultRoute = 0;
-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::vector<long> auth_cookies;
-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());
if (*a == servername)
return a->c_str();
}
- return "";
+ AddServerName(servername);
+ return FindServerNamePtr(servername);
}
-void DeleteOper(userrec* user)
+bool FindServerName(std::string servername)
{
- 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;
- }
- }
+ for (servernamelist::iterator a = servernames.begin(); a < servernames.end(); a++)
+ {
+ if (*a == servername)
+ return true;
+ }
+ return false;
}
-std::string GetRevision()
+std::string InspIRCd::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);
-}
+ /* 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.
+ */
+ /* XXX - this revision ID is NOT bumping automatically -- w00t */
+ std::stringstream Revision("$Revision$");
+ std::string single;
+ Revision >> single >> single;
+ return single;
+}
-std::string getservername()
+void InspIRCd::MakeLowerMap()
{
- return ServerName;
+ // 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)'\\'] = '|';
}
-std::string getserverdesc()
+InspIRCd::InspIRCd(int argc, char** argv)
{
- return ServerDesc;
+ Start();
+ module_sockets.clear();
+ this->startup_time = time(NULL);
+ 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")) {
+ Config->nofork = true;
+ }
+ if (!strcmp(argv[i],"-wait")) {
+ sleep(6);
+ }
+ if (!strcmp(argv[i],"-nolimit")) {
+ Config->unlimitcore = true;
+ }
+ }
+ }
+
+ 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();
+
+ for(int t = 0; t < 255; t++)
+ Config->global_implementation[t] = 0;
+
+ memset(&Config->implement_lists,0,sizeof(Config->implement_lists));
+
+ printf("\n");
+ SetSignals();
+ 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;
}
-std::string getnetworkname()
+std::string InspIRCd::GetVersionString()
{
- return Network;
+ char versiondata[MAXBUF];
+#ifdef THREADED_DNS
+ char dnsengine[] = "multithread";
+#else
+ char dnsengine[] = "singlethread";
+#endif
+ if (*Config->CustomVersion)
+ {
+ snprintf(versiondata,MAXBUF,"%s Rev. %s %s :%s",VERSION,GetRevision().c_str(),Config->ServerName,Config->CustomVersion);
+ }
+ else
+ {
+ 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;
}
-std::string getadminname()
+char* InspIRCd::ModuleError()
{
- return AdminName;
+ return MODERR;
}
-std::string getadminemail()
+void InspIRCd::erase_factory(int j)
{
- return AdminEmail;
+ int v = 0;
+ for (std::vector<ircd_module*>::iterator t = factory.begin(); t != factory.end(); t++)
+ {
+ if (v == j)
+ {
+ factory.erase(t);
+ factory.push_back(NULL);
+ return;
+ }
+ v++;
+ }
}
-std::string getadminnick()
+void InspIRCd::erase_module(int j)
{
- return AdminNick;
+ int v1 = 0;
+ for (std::vector<Module*>::iterator m = modules.begin(); m!= modules.end(); m++)
+ {
+ if (v1 == j)
+ {
+ delete *m;
+ modules.erase(m);
+ modules.push_back(NULL);
+ break;
+ }
+ v1++;
+ }
+ int v2 = 0;
+ for (std::vector<std::string>::iterator v = Config->module_names.begin(); v != Config->module_names.end(); v++)
+ {
+ if (v2 == j)
+ {
+ Config->module_names.erase(v);
+ break;
+ }
+ v2++;
+ }
+
}
-void ReadConfig(bool bail, userrec* user)
+void InspIRCd::MoveTo(std::string modulename,int slot)
{
- 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))
+ unsigned int v2 = 256;
+ log(DEBUG,"Moving %s to slot %d",modulename.c_str(),slot);
+ for (unsigned int v = 0; v < Config->module_names.size(); v++)
{
- 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
+ if (Config->module_names[v] == modulename)
{
- 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:",user->nick);
- while (!errstr.eof())
- {
- errstr.getline(dataline,1024);
- WriteOpers(dataline);
- }
- }
- return;
+ // found an instance, swap it with the item at MODCOUNT
+ v2 = v;
+ break;
}
}
-
- 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))
+ if (v2 == (unsigned int)slot)
{
- log(DEFAULT,"WARNING: <options:softlimit> value is greater than %d or less than 0, set to %d.",MAXCLIENTS,MAXCLIENTS);
- SoftLimit = MAXCLIENTS;
+ log(DEBUG,"Item %s already in slot %d!",modulename.c_str(),slot);
}
- 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))
+ else if (v2 < 256)
{
- log(DEFAULT,"No NetBufferSize specified or size out of range, setting to default of 10240.");
- NetBufferSize = 10240;
+ // Swap the module names over
+ Config->module_names[v2] = Config->module_names[slot];
+ Config->module_names[slot] = modulename;
+ // now swap the module factories
+ ircd_module* temp = factory[v2];
+ factory[v2] = factory[slot];
+ factory[slot] = temp;
+ // now swap the module objects
+ Module* temp_module = modules[v2];
+ modules[v2] = modules[slot];
+ modules[slot] = temp_module;
+ // now swap the implement lists (we dont
+ // need to swap the global or recount it)
+ for (int n = 0; n < 255; n++)
+ {
+ char x = Config->implement_lists[v2][n];
+ Config->implement_lists[v2][n] = Config->implement_lists[slot][n];
+ Config->implement_lists[slot][n] = x;
+ }
+ log(DEBUG,"Moved %s to slot successfully",modulename.c_str());
}
- if ((!MaxWhoResults) || (MaxWhoResults > 65535) || (MaxWhoResults < 1))
+ else
{
- log(DEFAULT,"No MaxWhoResults specified or size out of range, setting to default of 128.");
- MaxWhoResults = 128;
+ log(DEBUG,"Move of %s to slot failed!",modulename.c_str());
}
- 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++)
+}
+
+void InspIRCd::MoveAfter(std::string modulename, std::string after)
+{
+ log(DEBUG,"Move %s after %s...",modulename.c_str(),after.c_str());
+ for (unsigned int v = 0; v < Config->module_names.size(); v++)
{
- 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])
+ if (Config->module_names[v] == after)
{
- 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)
+ MoveTo(modulename, v);
+ return;
+ }
+ }
+}
+
+void InspIRCd::MoveBefore(std::string modulename, std::string before)
+{
+ log(DEBUG,"Move %s before %s...",modulename.c_str(),before.c_str());
+ for (unsigned int v = 0; v < Config->module_names.size(); v++)
+ {
+ if (Config->module_names[v] == before)
+ {
+ if (v > 0)
{
- c.registration_timeout = atoi(timeout);
+ MoveTo(modulename, v-1);
}
- if (atoi(pfreq)>0)
+ else
{
- c.pingtime = atoi(pfreq);
+ MoveTo(modulename, v);
}
- 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);
+ return;
}
-
}
- 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;
+void InspIRCd::MoveToFirst(std::string modulename)
+{
+ MoveTo(modulename,0);
+}
- // 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);
- }
+void InspIRCd::MoveToLast(std::string modulename)
+{
+ MoveTo(modulename,MODCOUNT);
+}
- // 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);
- }
+void InspIRCd::BuildISupport()
+{
+ // the neatest way to construct the initial 005 numeric, considering the number of configure constants to go in it...
+ std::stringstream v;
+ v << "WALLCHOPS WALLVOICES MODES=" << MAXMODES << " CHANTYPES=# PREFIX=(ohv)@%+ MAP SAFELIST MAXCHANNELS=" << MAXCHANS << " MAXBANS=60 VBANLIST NICKLEN=" << NICKMAX-1;
+ v << " CASEMAPPING=rfc1459 STATUSMSG=@%+ CHARSET=ascii TOPICLEN=" << MAXTOPIC << " KICKLEN=" << MAXKICK << " MAXTARGETS=" << Config->MaxTargets << " AWAYLEN=";
+ v << MAXAWAY << " CHANMODES=b,k,l,psmnti FNC NETWORK=" << Config->Network << " MAXPARA=32";
+ Config->data005 = v.str();
+ FOREACH_MOD(I_On005Numeric,On005Numeric(Config->data005));
+}
- // 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 InspIRCd::UnloadModule(const char* filename)
+{
+ std::string filename_str = filename;
+ for (unsigned int j = 0; j != Config->module_names.size(); j++)
+ {
+ if (Config->module_names[j] == filename_str)
{
- bool removed = true;
- for (std::vector<std::string>::iterator newm = new_module_names.begin(); newm != new_module_names.end(); newm++)
+ if (modules[j]->GetVersion().Flags & VF_STATIC)
{
- if (*newm == *oldm)
- removed = false;
+ log(DEFAULT,"Failed to unload STATIC module %s",filename);
+ snprintf(MODERR,MAXBUF,"Module not unloadable (marked static)");
+ return 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()))
+ /* Give the module a chance to tidy out all its metadata */
+ for (chan_hash::iterator c = chanlist.begin(); c != chanlist.end(); c++)
{
- 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++;
+ modules[j]->OnCleanup(TYPE_CHANNEL,c->second);
}
- else
+ for (user_hash::iterator u = clientlist.begin(); u != clientlist.end(); u++)
{
- WriteServ(user->fd,"972 %s %s :Failed to unload module %s: %s",user->nick, removing->c_str(), removing->c_str(), ModuleError());
+ modules[j]->OnCleanup(TYPE_USER,u->second);
}
- }
- if (!added_modules.empty())
- for (std::vector<std::string>::iterator adding = added_modules.begin(); adding != added_modules.end(); adding++)
- {
- if (LoadModule(adding->c_str()))
+
+ FOREACH_MOD(I_OnUnloadModule,OnUnloadModule(modules[j],Config->module_names[j]));
+
+ for(int t = 0; t < 255; t++)
{
- 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++;
+ Config->global_implementation[t] -= Config->implement_lists[j][t];
}
- else
+
+ /* We have to renumber implement_lists after unload because the module numbers change!
+ */
+ for(int j2 = j; j2 < 254; j2++)
{
- WriteServ(user->fd,"974 %s %s :Failed to load module %s: %s",user->nick, adding->c_str(), adding->c_str(), ModuleError());
+ for(int t = 0; t < 255; t++)
+ {
+ Config->implement_lists[j2][t] = Config->implement_lists[j2+1][t];
+ }
}
+
+ // found the module
+ log(DEBUG,"Deleting module...");
+ erase_module(j);
+ log(DEBUG,"Erasing module entry...");
+ erase_factory(j);
+ log(DEBUG,"Removing dependent commands...");
+ Parser->RemoveCommands(filename);
+ log(DEFAULT,"Module %s unloaded",filename);
+ MODCOUNT--;
+ BuildISupport();
+ return true;
}
- 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(DEFAULT,"Module %s is not loaded, cannot unload it!",filename);
+ snprintf(MODERR,MAXBUF,"Module not loaded");
+ return false;
}
-
-/* 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)
+bool InspIRCd::LoadModule(const char* filename)
{
- 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))))
+ char modfile[MAXBUF];
+#ifdef STATIC_LINK
+ strlcpy(modfile,filename,MAXBUF);
+#else
+ snprintf(modfile,MAXBUF,"%s/%s",Config->ModPath,filename);
+#endif
+ std::string filename_str = filename;
+#ifndef STATIC_LINK
+#ifndef IS_CYGWIN
+ if (!DirValid(modfile))
{
- return NULL; // already on the channel!
+ log(DEFAULT,"Module %s is not within the modules directory.",modfile);
+ snprintf(MODERR,MAXBUF,"Module %s is not within the modules directory.",modfile);
+ return false;
}
-
-
- 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);
-
- if (!override) // we're not overriding... so this isnt part of a netburst, broadcast it.
- {
- // use the stamdard J token with no privilages.
- char buffer[MAXBUF];
- if (created == 2)
- {
- snprintf(buffer,MAXBUF,"J %s @%s",user->nick,Ptr->name);
- }
- else
- {
- snprintf(buffer,MAXBUF,"J %s %s",user->nick,Ptr->name);
- }
- NetSendToAll(buffer);
- }
-
- 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);
-
- if (!local)
- {
- char buffer[MAXBUF];
- snprintf(buffer,MAXBUF,"L %s %s :%s",user->nick,Ptr->name,reason);
- NetSendToAll(buffer);
- }
-
-
- }
- else
- {
- if (!local)
- {
- char buffer[MAXBUF];
- snprintf(buffer,MAXBUF,"L %s %s :",user->nick,Ptr->name);
- NetSendToAll(buffer);
- }
-
- 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);
- WriteCommonExcept(user,"QUIT :%s",reason);
-
- // Q token must go to ALL servers!!!
- char buffer[MAXBUF];
- snprintf(buffer,MAXBUF,"Q %s :%s",user->nick,reason);
- NetSendToAll(buffer);
- }
-
- user->FlushWriteBuf();
-
- FOREACH_MOD OnUserDisconnect(user);
-
- 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
- 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);
- WriteCommonExcept(user,"QUIT :%s",reason);
-
- // Q token must go to ALL servers!!!
- char buffer[MAXBUF];
- snprintf(buffer,MAXBUF,"Q %s :%s",user->nick,reason);
- NetSendToAll(buffer);
- }
-
- FOREACH_MOD OnUserDisconnect(user);
-
- 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
- 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;
-}
-
-
-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;
- }
-}
-
-
-/* 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];
-
-#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)
- {
- log(DEBUG,"epoll: List insertion failure!");
- }
-#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)
- {
- log(DEBUG,"kqueue: List insertion failure!");
- }
-
-#endif
-}
-
-/* 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);
-
- 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);
-
- // 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;
-#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;
-}
-
-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 (unsigned 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 (unsigned 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;
-}
-
-
-// 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].handler_function(parameters,pcnt,user);
- }
- }
- }
- }
- }
-}
-
-void DoSplitEveryone()
-{
- bool go_again = true;
- while (go_again)
- {
- go_again = false;
- 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))
- {
- j->routes.clear();
- j->CloseConnection();
- me[i]->connectors.erase(j);
- go_again = true;
- break;
- }
- }
- }
- }
- }
- log(DEBUG,"Removed server. Will remove clients...");
- // iterate through the userlist and remove all users on this server.
- // because we're dealing with a mesh, we dont have to deal with anything
- // "down-route" from this server (nice huh)
- go_again = true;
- char reason[MAXBUF];
- while (go_again)
- {
- go_again = false;
- for (user_hash::const_iterator u = clientlist.begin(); u != clientlist.end(); u++)
- {
- if (strcasecmp(u->second->server,ServerName))
- {
- snprintf(reason,MAXBUF,"%s %s",ServerName,u->second->server);
- kill_link(u->second,reason);
- go_again = true;
- break;
- }
- }
- }
- has_been_netsplit = true;
-}
-
-
-
-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;
- }
-
- /* WARNING: nothing may come after the
- * command handler call, as the handler
- * may free the user structure! */
-
- 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))
- {
- statsUnknown++;
- WriteServ(user->fd,"421 %s %s :Unknown command",user->nick,command);
- }
-}
-
-bool removecommands(const char* source)
-{
- bool go_again = true;
- while (go_again)
- {
- 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;
- }
- }
- }
- return true;
-}
-
-
-void process_buffer(const char* cmdbuf,userrec *user)
-{
- 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
-
- 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))
- {
- cmd[sl] = '\0';
- }
- sl = strlen(cmd)-1;
- while (cmd[sl] == ' ') // strip trailing spaces
- {
- cmd[sl] = '\0';
- sl = strlen(cmd)-1;
- }
-
- if (!cmd[0])
- {
- return;
- }
- log(DEBUG,"CMDIN: %s %s",user->nick,cmd);
- tidystring(cmd);
- if ((user) && (cmd))
- {
- process_command(user,cmd);
- }
-}
-
-void DoSync(serverrec* serv, char* tcp_host)
-{
- char data[MAXBUF];
- log(DEBUG,"Sending sync");
- // 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,"%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 (unsigned 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,"%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 %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 (unsigned int j = 0; j < l.size(); j++)
- {
- snprintf(data,MAXBUF,"%s %s",CreateSum().c_str(),l[j].c_str());
- serv->SendPacket(data,tcp_host);
- }
- }
- char* chl = chlist(u->second,u->second);
- if (strcmp(chl,""))
- {
- snprintf(data,MAXBUF,"%s J %s %s",CreateSum().c_str(),u->second->nick,chl);
- serv->SendPacket(data,tcp_host);
- }
- }
- // send channel modes, topics etc...
- for (chan_hash::iterator c = chanlist.begin(); c != chanlist.end(); c++)
- {
- snprintf(data,MAXBUF,"M %s +%s",c->second->name,chanmodes(c->second));
- serv->SendPacket(data,tcp_host);
- for (int i = 0; i <= MODCOUNT; i++)
- {
- string_list l = modules[i]->OnChannelSync(c->second);
- for (unsigned int j = 0; j < l.size(); j++)
- {
- 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,"%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,"%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);
-
- 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
-}
-
-
-void NetSendMyRoutingTable()
-{
- // send out a line saying what is reachable to us.
- // E.g. if A is linked to B C and D, send out:
- // $ A B C D
- // if its only linked to B and D send out:
- // $ A B D
- // if it has no links, dont even send out the line at all.
- char buffer[MAXBUF];
- snprintf(buffer,MAXBUF,"$ %s",ServerName);
- bool sendit = false;
- for (int i = 0; i < 32; i++)
- {
- if (me[i] != NULL)
- {
- for (unsigned int j = 0; j < me[i]->connectors.size(); j++)
- {
- if ((me[i]->connectors[j].GetState() != STATE_DISCONNECTED) || (is_uline(me[i]->connectors[j].GetServerName().c_str())))
- {
- strlcat(buffer," ",MAXBUF);
- strlcat(buffer,me[i]->connectors[j].GetServerName().c_str(),MAXBUF);
- sendit = true;
- }
- }
- }
- }
- if (sendit)
- NetSendToAll(buffer);
-}
-
-
-void DoSplit(const char* params)
-{
- bool go_again = true;
- while (go_again)
- {
- go_again = false;
- 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(),params))
- {
- j->routes.clear();
- j->CloseConnection();
- me[i]->connectors.erase(j);
- go_again = true;
- break;
- }
- }
- }
- }
- }
- log(DEBUG,"Removed server. Will remove clients...");
- // iterate through the userlist and remove all users on this server.
- // because we're dealing with a mesh, we dont have to deal with anything
- // "down-route" from this server (nice huh)
- go_again = true;
- char reason[MAXBUF];
- snprintf(reason,MAXBUF,"%s %s",ServerName,params);
- while (go_again)
- {
- go_again = false;
- for (user_hash::const_iterator u = clientlist.begin(); u != clientlist.end(); u++)
- {
- if (!strcasecmp(u->second->server,params))
- {
- kill_link(u->second,reason);
- go_again = true;
- break;
- }
- }
- }
- has_been_netsplit = true;
-}
-
-// removes a server. Will NOT remove its users!
-
-void RemoveServer(const char* name)
-{
- bool go_again = true;
- while (go_again)
- {
- go_again = false;
- 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(),name))
- {
- j->routes.clear();
- j->CloseConnection();
- me[i]->connectors.erase(j);
- go_again = true;
- break;
- }
- }
- }
- }
- }
-}
-
-
-char MODERR[MAXBUF];
-
-char* ModuleError()
-{
- return MODERR;
-}
-
-void erase_factory(int j)
-{
- int v = 0;
- for (std::vector<ircd_module*>::iterator t = factory.begin(); t != factory.end(); t++)
- {
- if (v == j)
- {
- factory.erase(t);
- factory.push_back(NULL);
- return;
- }
- v++;
- }
-}
-
-void erase_module(int j)
-{
- int v1 = 0;
- for (std::vector<Module*>::iterator m = modules.begin(); m!= modules.end(); m++)
- {
- if (v1 == j)
- {
- delete *m;
- modules.erase(m);
- modules.push_back(NULL);
- break;
- }
- v1++;
- }
- int v2 = 0;
- for (std::vector<std::string>::iterator v = module_names.begin(); v != module_names.end(); v++)
- {
- if (v2 == j)
- {
- module_names.erase(v);
- break;
- }
- v2++;
- }
-
-}
-
-bool UnloadModule(const char* filename)
-{
- std::string filename_str = filename;
- for (unsigned int j = 0; j != module_names.size(); j++)
- {
- if (module_names[j] == filename_str)
- {
- if (modules[j]->GetVersion().Flags & VF_STATIC)
- {
- log(DEFAULT,"Failed to unload STATIC module %s",filename);
- snprintf(MODERR,MAXBUF,"Module not unloadable (marked static)");
- return false;
- }
- FOREACH_MOD OnUnloadModule(modules[j],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);
- log(DEFAULT,"Module %s unloaded",filename);
- MODCOUNT--;
- return true;
- }
- }
- log(DEFAULT,"Module %s is not loaded, cannot unload it!",filename);
- snprintf(MODERR,MAXBUF,"Module not loaded");
- return false;
-}
-
-bool LoadModule(const char* filename)
-{
- char modfile[MAXBUF];
-#ifdef STATIC_LINK
- snprintf(modfile,MAXBUF,"%s",filename);
-#else
- snprintf(modfile,MAXBUF,"%s/%s",ModPath,filename);
#endif
- std::string filename_str = filename;
-#ifndef STATIC_LINK
- if (!DirValid(modfile))
- {
- log(DEFAULT,"Module %s is not within the modules directory.",modfile);
- snprintf(MODERR,MAXBUF,"Module %s is not within the modules directory.",modfile);
- return false;
- }
#endif
log(DEBUG,"Loading module: %s",modfile);
#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");
{
log(DEFAULT,"Unable to load %s: %s",modfile,factory[MODCOUNT+1]->LastError());
snprintf(MODERR,MAXBUF,"Loader/Linker error: %s",factory[MODCOUNT+1]->LastError());
- MODCOUNT--;
- return false;
- }
- if (factory[MODCOUNT+1]->factory)
- {
- Module* m = factory[MODCOUNT+1]->factory->CreateModule();
- 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);
- }
- else
- {
- log(DEFAULT,"Unable to load %s",modfile);
- snprintf(MODERR,MAXBUF,"Factory function failed!");
- return false;
- }
-#ifndef STATIC_LINK
- }
- else
- {
- log(DEFAULT,"InspIRCd: startup: Module Not Found %s",modfile);
- snprintf(MODERR,MAXBUF,"Module file could not be found");
- return false;
- }
-#endif
- MODCOUNT++;
- FOREACH_MOD OnLoadModule(modules[MODCOUNT],filename_str);
- return true;
-}
-
-
-bool GotServer(std::string name)
-{
- for (int j = 0; j < 32; j++)
- {
- if (me[j] != NULL)
- {
- for (unsigned int k = 0; k < me[j]->connectors.size(); k++)
- {
- if (name == me[j]->connectors[k].GetServerName())
- {
- return true;
- }
- }
- }
- }
- return false;
-}
-
-
-int InspIRCd(char** argv, int argc)
-{
- 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
-
- 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");
-
- 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");
+ return false;
+ }
+ try
+ {
+ if (factory[MODCOUNT+1]->factory)
+ {
+ 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 :/ */
+ Config->module_names.push_back(filename);
- AddServerName(ServerName);
+ char* x = &Config->implement_lists[MODCOUNT+1][0];
+ for(int t = 0; t < 255; t++)
+ x[t] = 0;
- int clientportcount = 0, serverportcount = 0;
+ modules[MODCOUNT+1]->Implements(x);
- 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"))
- {
- char Default[MAXBUF];
- strcpy(Default,"no");
- ConfValue("bind","default",count,Default,&config_f);
- if (strchr(Default,'y'))
- {
- defaultRoute = serverportcount;
- log(DEBUG,"InspIRCd: startup: binding '%s:%s' is default server route",Addr,configToken);
- }
- me[serverportcount] = new serverrec(ServerName,100L,false);
- if (!me[serverportcount]->CreateListener(Addr,atoi(configToken)))
- {
- log(DEFAULT,"Warning: Failed to bind port %lu",(unsigned long)atoi(configToken));
- printf("Warning: Failed to bind port %lu\n",(unsigned long)atoi(configToken));
- }
+ for(int t = 0; t < 255; t++)
+ {
+ Config->global_implementation[t] += Config->implement_lists[MODCOUNT+1][t];
+ if (Config->implement_lists[MODCOUNT+1][t])
+ {
+ log(DEBUG,"Add global implementation: %d %d => %d",MODCOUNT+1,t,Config->global_implementation[t]);
+ }
+ }
+ }
else
{
- serverportcount++;
- }
+ log(DEFAULT,"Unable to load %s",modfile);
+ snprintf(MODERR,MAXBUF,"Factory function failed!");
+ return false;
+ }
}
- else
+ catch (ModuleException& modexcept)
{
- ports[clientportcount] = atoi(configToken);
- strlcpy(addrs[clientportcount],Addr,256);
- clientportcount++;
+ log(DEFAULT,"Unable to load %s: ",modfile,modexcept.GetReason());
+ snprintf(MODERR,MAXBUF,"Factory function threw an exception: %s",modexcept.GetReason());
+ return false;
}
- log(DEBUG,"InspIRCd: startup: read binding %s:%s [%s] from config",Addr,configToken, Type);
- }
- portCount = clientportcount;
- SERVERportCount = serverportcount;
-
- 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");
-
- /* BugFix By Craig! :p */
- MODCOUNT = -1;
- for (count = 0; count < ConfValueEnum("module",&config_f); count++)
+#ifndef STATIC_LINK
+ }
+ else
+ {
+ log(DEFAULT,"InspIRCd: startup: Module Not Found %s",modfile);
+ snprintf(MODERR,MAXBUF,"Module file could not be found");
+ return false;
+ }
+#endif
+ MODCOUNT++;
+ FOREACH_MOD(I_OnLoadModule,OnLoadModule(modules[MODCOUNT],filename_str));
+ // now work out which modules, if any, want to move to the back of the queue,
+ // and if they do, move them there.
+ std::vector<std::string> put_to_back;
+ std::vector<std::string> put_to_front;
+ std::map<std::string,std::string> put_before;
+ std::map<std::string,std::string> put_after;
+ for (unsigned int j = 0; j < Config->module_names.size(); j++)
{
- ConfValue("module","name",count,configToken,&config_f);
- printf("Loading module... \033[1;32m%s\033[0m\n",configToken);
- if (!LoadModule(configToken))
+ if (modules[j]->Prioritize() == PRIORITY_LAST)
{
- 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);
+ put_to_back.push_back(Config->module_names[j]);
}
- }
- 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)
+ else if (modules[j]->Prioritize() == PRIORITY_FIRST)
{
- log(DEBUG,"InspIRCd: startup: bad fd %lu",(unsigned long)openSockfd[boundPortCount]);
- return(ERROR);
+ put_to_front.push_back(Config->module_names[j]);
}
- if (BindSocket(openSockfd[boundPortCount],client,server,ports[count],addrs[count]) == ERROR)
+ else if ((modules[j]->Prioritize() & 0xFF) == PRIORITY_BEFORE)
{
- log(DEFAULT,"InspIRCd: startup: failed to bind port %lu",(unsigned long)ports[count]);
+ log(DEBUG,"Module %d wants PRIORITY_BEFORE",j);
+ put_before[Config->module_names[j]] = Config->module_names[modules[j]->Prioritize() >> 8];
+ log(DEBUG,"Before: %s",Config->module_names[modules[j]->Prioritize() >> 8].c_str());
}
- else /* well we at least bound to one socket so we'll continue */
+ else if ((modules[j]->Prioritize() & 0xFF) == PRIORITY_AFTER)
{
- boundPortCount++;
+ log(DEBUG,"Module %d wants PRIORITY_AFTER",j);
+ put_after[Config->module_names[j]] = Config->module_names[modules[j]->Prioritize() >> 8];
+ log(DEBUG,"After: %s",Config->module_names[modules[j]->Prioritize() >> 8].c_str());
}
}
-
- log(DEBUG,"InspIRCd: startup: total bound ports %lu",(unsigned long)boundPortCount);
-
- /* if we didn't bind to anything then abort */
- if (boundPortCount == 0)
- {
- 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);
- }
-
-
- 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);
- }
- }
-
- // 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))
+ for (unsigned int j = 0; j < put_to_back.size(); j++)
{
- log(DEFAULT,"main: epoll_create() failed!");
- printf("ERROR: could not initialise epoll event system. Shutting down.\n");
- Exit(ERROR);
+ MoveToLast(put_to_back[j]);
}
-#endif
-
-#ifdef USE_EPOLL
- log(DEFAULT,"epoll socket engine is enabled. Filling listen list. boundPortcount=%d",boundPortCount);
- for (count = 0; count < boundPortCount; count++)
+ for (unsigned int j = 0; j < put_to_front.size(); j++)
{
- 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);
- }
-
+ MoveToFirst(put_to_front[j]);
}
- for (int t = 0; t != SERVERportCount; t++)
+ for (std::map<std::string,std::string>::iterator j = put_before.begin(); j != put_before.end(); j++)
{
- 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);
- }
+ MoveBefore(j->first,j->second);
}
-#else
-#ifdef USE_KQUEUE
- log(DEFAULT,"kqueue socket engine is enabled. Filling listen list.");
- for (count = 0; count < boundPortCount; count++)
+ for (std::map<std::string,std::string>::iterator j = put_after.begin(); j != put_after.end(); j++)
{
- 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);
- }
+ MoveAfter(j->first,j->second);
}
- 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);
- }
- }
- }
+ BuildISupport();
+ return true;
+}
+int InspIRCd::Run()
+{
+ bool expire_run = false;
+ int activefds[MAX_DESCRIPTORS];
+ int incomingSockfd;
+ int in_port;
+ userrec* cu = NULL;
+ InspSocket* s = NULL;
+ InspSocket* s_del = NULL;
+ unsigned int numberactive;
+ sockaddr_in sock_us; // our port number
+ socklen_t uslen; // length of our port number
-#else
- log(DEFAULT,"Using standard select socket engine.");
-#endif
-#endif
+ /* Until THIS point, ServerInstance == NULL */
+
+ LoadAllModules(this);
- WritePID(PID);
+ printf("\nInspIRCd is now running!\n");
+
+ if (!Config->nofork)
+ {
+ freopen("/dev/null","w",stdout);
+ freopen("/dev/null","w",stderr);
+ }
- length = sizeof (client);
- char tcp_msg[MAXBUF],tcp_host[MAXBUF],tcp_sum[MAXBUF];
+ /* 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);
+
+ WritePID(Config->PID);
-#ifdef USE_KQUEUE
- struct kevent ke;
- struct kevent ke_list[33];
- struct timespec ts;
-#endif
-#ifdef USE_EPOLL
- struct epoll_event event[33];
-#endif
-#ifdef USE_SELECT
- fd_set serverfds;
- fd_set sfd;
-#endif
- 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;
-
/* 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();
-
- // *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.
+ /* 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 % 5) == 0) && (!expire_run))
{
- 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 ((Link_AConn[0]) && (!GotServer(Link_ServerName)))
- {
- autoconnects::iterator a = autoconns.find(std::string(Link_ServerName));
- if (a != autoconns.end())
- {
- if (TIME > a->second)
- {
- ConnectServer(Link_ServerName,NULL);
- a->second = TIME + atoi(Link_AConn);
- }
- }
- }
- }
-
expire_lines();
- FOREACH_MOD OnBackgroundTimer(TIME);
+ FOREACH_MOD(I_OnBackgroundTimer,OnBackgroundTimer(TIME));
expire_run = true;
continue;
}
- if ((TIME % 5) == 1)
+ else if ((TIME % 5) == 1)
+ {
expire_run = false;
+ }
- // 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]) && ((unsigned)event[0].data.fd == (unsigned)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]) && ((unsigned)ke.ident == (unsigned)me[x]->fd))
- {
+ /* Once a second, do the background processing */
+ if (TIME != OLDTIME)
+ {
+ if (TIME < OLDTIME)
+ WriteOpers("*** \002EH?!\002 -- Time is flowing BACKWARDS in this dimension! Clock drifted backwards %d secs.",abs(OLDTIME-TIME));
+ DoBackgroundUserStuff(TIME);
+ }
+
+ /* Process timeouts on module sockets each time around
+ * the loop. There shouldnt be many module sockets, at
+ * most, 20 or so, so this won't be much of a performance
+ * hit at all.
+ */
+ DoSocketTimeouts(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.
+ */
+ if (!(numberactive = SE->Wait(activefds)))
+ continue;
-#endif
-#ifdef USE_SELECT
- FD_ZERO(&serverfds);
- for (int x = 0; x != SERVERportCount; x++)
- {
- if (me[x])
- FD_SET(me[x]->fd, &serverfds);
- }
- tvs.tv_usec = 30000L;
- tvs.tv_sec = 0;
- int servresult = select(FD_SETSIZE, &serverfds, NULL, NULL, &tvs);
- if (servresult > 0)
- {
- 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);
- if (incomingSockfd != -1)
- {
- strlcpy(remotehost,(char *)inet_ntoa(client.sin_addr),MAXBUF);
- if(CleanAndResolve(resolved, remotehost) != TRUE)
- {
- strlcpy(resolved,remotehost,MAXBUF);
- }
- // add to this connections ircd_connector vector
- // *FIX* - we need the LOCAL port not the remote port in &client!
- me[x]->AddIncoming(incomingSockfd,resolved,me[x]->port);
- }
- }
- }
- }
-
- std::deque<std::string> msgs;
- std::deque<std::string> sums;
- for (int x = 0; x < SERVERportCount; x++)
+ /**
+ * 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.
+ */
+ for (unsigned int activefd = 0; activefd < numberactive; activefd++)
{
- if (me[x])
- me[x]->FlushWriteBuffers();
- sums.clear();
- msgs.clear();
- while ((me[x]) && (me[x]->RecvPacket(msgs, tcp_host, sums))) // returns 0 or more lines (can be multiple lines!)
+ int socket_type = SE->GetType(activefds[activefd]);
+ switch (socket_type)
{
- has_been_netsplit = false;
- for (unsigned int ctr = 0; ctr < msgs.size(); ctr++)
- {
- strlcpy(tcp_msg,msgs[ctr].c_str(),MAXBUF);
- strlcpy(tcp_sum,sums[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) && (tcp_msg[0] != 'Y') && (tcp_msg[0] != 'X') && (tcp_msg[0] != 'F'))) || (is_uline(tcp_host)))
- {
- if (is_uline(tcp_host))
- {
- if ((tcp_msg[0] != 'Y') && (tcp_msg[0] != 'X') && (tcp_msg[0] != 'F'))
- {
- NetSendToAllExcept_WithSum(tcp_host,tcp_msg,tcp_sum);
- }
- }
- else
- NetSendToAllExcept_WithSum(tcp_host,tcp_msg,tcp_sum);
- }
- std::string msg = tcp_msg;
- FOREACH_MOD OnPacketReceive(msg,tcp_host);
- strlcpy(tcp_msg,msg.c_str(),MAXBUF);
- if (me[x])
- handle_link_packet(tcp_msg, tcp_host, me[x], tcp_sum);
- if (!me[x]->FindHost(tcp_host))
- {
- log(DEBUG,"Connector gone, bailing!");
- goto label;
- }
- }
- goto label;
- }
- }
-
- while (count2 != clientlist.end())
- {
-#ifdef USE_SELECT
- FD_ZERO(&sfd);
-#endif
-
- total_in_this_set = 0;
+ case X_ESTAB_CLIENT:
- user_hash::iterator xcount = count2;
- user_hash::iterator endingiter = count2;
+ cu = fd_ref_table[activefds[activefd]];
+ if (cu)
+ ProcessUser(cu);
- 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))
+ if ((s) && (!s->Poll()))
{
- 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 > 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,"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++)
{
- 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))
+ s_del = (InspSocket*)*a;
+ if ((s_del) && (s_del->GetFd() == activefds[activefd]))
{
- log(DEBUG,"InspIRCd: ping timeout: %s",curr->nick);
- kill_link(curr,"Ping timeout");
- goto label;
+ module_sockets.erase(a);
+ break;
}
- 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
}
+ s->Close();
+ delete s;
}
- 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())
- {
- 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;
- }
-
- // 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))
- {
- 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;
- selectResult2 = select(FD_SETSIZE, &sfd, NULL, NULL, &tval);
- // now loop through all of the items in this pool if any are waiting
- 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
+ break;
-#ifdef _POSIX_PRIORITY_SCHEDULING
- sched_yield();
-#endif
- result = EAGAIN;
-#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)))
+ 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
- {
- 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)
+ break;
+
+ case X_LISTEN:
+
+ /* It's a listener */
+ uslen = sizeof(sock_us);
+ length = sizeof(client);
+ incomingSockfd = accept (activefds[activefd],(struct sockaddr*)&client,&length);
+
+ if ((incomingSockfd > -1) && (!getsockname(incomingSockfd,(sockaddr*)&sock_us,&uslen)))
{
- 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())
+ in_port = ntohs(sock_us.sin_port);
+ log(DEBUG,"Accepted socket %d",incomingSockfd);
+ /* Years and years ago, we used to resolve here
+ * using gethostbyaddr(). That is sucky and we
+ * don't do that any more...
+ */
+ NonBlocking(incomingSockfd);
+ 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)
+ try
{
- 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, (char*)inet_ntoa(client.sin_addr), in_port);
}
+ catch (ModuleException& modexcept)
+ {
+ log(DEBUG,"Module exception cought: %s",modexcept.GetReason()); \
+ }
}
- goto label;
+ stats->statsAccept++;
+ AddClient(incomingSockfd, in_port, false, client.sin_addr);
+ 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;
- }
- }
- // result EAGAIN means nothing read
- if (result == EAGAIN)
- {
- }
- else
- if (result == 0)
- {
-#ifdef USE_SELECT
- if (count2->second)
- {
-#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
+ log(DEBUG,"Accept failed on fd %lu: %s",(unsigned long)incomingSockfd,strerror(errno));
+ shutdown(incomingSockfd,2);
+ close(incomingSockfd);
+ stats->statsRefused++;
}
-#endif
- }
- else if (result > 0)
- {
- }
+ break;
+
+ 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;
}
}
- for (int q = 0; q < total_in_this_set; q++)
- {
- count2++;
- }
- }
-#ifdef _POSIX_PRIORITY_SCHEDULING
- sched_yield();
-#endif
-
-#ifdef USE_SELECT
- // set up select call
- for (count = 0; count < boundPortCount; count++)
- {
- FD_SET (openSockfd[count], &selectFds);
}
+ /* This is never reached -- we hope! */
+ return 0;
+}
- tv.tv_usec = 30000L;
- selectResult = select(MAXSOCKS, &selectFds, NULL, NULL, &tv);
+/**********************************************************************************/
- /* select is reporting a waiting socket. Poll them all to find out which */
- if (selectResult > 0)
- {
- 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 ((unsigned)ke_list[j].ident == (unsigned)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 ((unsigned)event[j].data.fd == (unsigned)openSockfd[count])
- {
-#endif
- char target[MAXBUF], resolved[MAXBUF];
- length = sizeof (client);
- incomingSockfd = accept (openSockfd[count], (struct sockaddr *) &client, &length);
-
- 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);
- }
- }
- }
- }
- label:
- if (0) {};
-#ifdef _POSIX_PRIORITY_SCHEDULING
- sched_yield();
- sched_yield();
-#endif
-}
-/* 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