]> git.netwichtig.de Git - user/henk/code/inspircd.git/blobdiff - src/inspircd.cpp
Remove an extern, partly because it's unused, partly because it then gets shadowed...
[user/henk/code/inspircd.git] / src / inspircd.cpp
index 1df6ee2932f58274fa6fd0f6e80cca08c725a889..5e437365be0f3a3e8d74c5057bce24517e7f341f 100644 (file)
 
 /* Now with added unF! ;) */
 
-using namespace std;
-
+#include <algorithm>
 #include "inspircd_config.h"
 #include "inspircd.h"
-#include "inspircd_io.h"
+#include "configreader.h"
 #include <fcntl.h>
 #include <sys/errno.h>
 #include <sys/ioctl.h>
+#include <signal.h>
 #include <time.h>
 #include <string>
-#ifdef GCC3
-#include <ext/hash_map>
-#else
-#include <hash_map>
-#endif
+#include <exception>
+#include <stdexcept>
+#include <new>
 #include <map>
 #include <sstream>
+#include <fstream>
 #include <vector>
 #include <deque>
 #ifdef THREADED_DNS
@@ -63,8 +62,8 @@ InspIRCd* ServerInstance;
 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
 
-extern std::vector<Module*> modules;
-extern std::vector<ircd_module*> factory;
+extern ModuleList modules;
+extern FactoryList factory;
 
 std::vector<InspSocket*> module_sockets;
 std::vector<userrec*> local_users;
@@ -74,7 +73,9 @@ extern char LOG_FILE[MAXBUF];
 int openSockfd[MAX_DESCRIPTORS];
 int yield_depth;
 int iterations = 0;
-sockaddr_in client,server;
+
+insp_sockaddr client, server;
+
 socklen_t length;
 
 extern InspSocket* socket_ref[MAX_DESCRIPTORS];
@@ -95,36 +96,120 @@ chan_hash chanlist;
 servernamelist servernames;
 char lowermap[255];
 
-void AddServerName(std::string servername)
+void AddServerName(const std::string &servername)
 {
        log(DEBUG,"Adding server name: %s",servername.c_str());
-       for (servernamelist::iterator a = servernames.begin(); a < servernames.end(); a++)
-       {
-               if (*a == servername)
-                       return;
+       
+       if(find(servernames.begin(), servernames.end(), servername) == servernames.end())
+               servernames.push_back(servername); /* Wasn't already there. */
+}
+
+const char* FindServerNamePtr(const std::string &servername)
+{
+       servernamelist::iterator iter = find(servernames.begin(), servernames.end(), servername);
+       
+       if(iter == servernames.end())
+       {               
+               AddServerName(servername);
+               iter = --servernames.end();
        }
-       servernames.push_back(servername);
+
+       return iter->c_str();
 }
 
-const char* FindServerNamePtr(std::string servername)
+bool FindServerName(const std::string &servername)
 {
-       for (servernamelist::iterator a = servernames.begin(); a < servernames.end(); a++)
+       return (find(servernames.begin(), servernames.end(), servername) != servernames.end());
+}
+
+void Exit(int status)
+{
+       if (Config->log_file)
+               fclose(Config->log_file);
+       send_error("Server shutdown.");
+       exit (status);
+}
+
+void Start()
+{
+       printf("\033[1;32mInspire Internet Relay Chat Server, compiled %s at %s\n",__DATE__,__TIME__);
+       printf("(C) ChatSpike Development team.\033[0m\n\n");
+       printf("Developers:\t\t\033[1;32mBrain, FrostyCoolSlug, w00t, Om\033[0m\n");
+       printf("Others:\t\t\t\033[1;32mSee /INFO Output\033[0m\n");
+       printf("Name concept:\t\t\033[1;32mLord_Zathras\033[0m\n\n");
+}
+
+void Killed(int status)
+{
+       if (Config->log_file)
+               fclose(Config->log_file);
+       send_error("Server terminated.");
+       exit(status);
+}
+
+void Rehash(int status)
+{
+       WriteOpers("Rehashing config file %s due to SIGHUP",CleanFilename(CONFIG_FILE));
+       fclose(Config->log_file);
+       OpenLog(NULL,0);
+       Config->Read(false,NULL);
+       FOREACH_MOD(I_OnRehash,OnRehash(""));
+}
+
+void SetSignals()
+{
+       signal (SIGALRM, SIG_IGN);
+       signal (SIGHUP, Rehash);
+       signal (SIGPIPE, SIG_IGN);
+       signal (SIGTERM, Exit);
+       signal (SIGSEGV, Error);
+}
+
+bool DaemonSeed()
+{
+       int childpid;
+       if ((childpid = fork ()) < 0)
+               return (ERROR);
+       else if (childpid > 0)
        {
-               if (*a == servername)
-                       return a->c_str();
+               /* We wait a few seconds here, so that the shell prompt doesnt come back over the output */
+               sleep(6);
+               exit (0);
        }
-       AddServerName(servername);
-       return FindServerNamePtr(servername);
+       setsid ();
+       umask (007);
+       printf("InspIRCd Process ID: \033[1;32m%lu\033[0m\n",(unsigned long)getpid());
+
+       rlimit rl;
+       if (getrlimit(RLIMIT_CORE, &rl) == -1)
+       {
+               log(DEFAULT,"Failed to getrlimit()!");
+               return false;
+       }
+       else
+       {
+               rl.rlim_cur = rl.rlim_max;
+               if (setrlimit(RLIMIT_CORE, &rl) == -1)
+                       log(DEFAULT,"setrlimit() failed, cannot increase coredump size.");
+       }
+  
+       return true;
 }
 
-bool FindServerName(std::string servername)
+void WritePID(const std::string &filename)
 {
-       for (servernamelist::iterator a = servernames.begin(); a < servernames.end(); a++)
+       std::ofstream outfile(filename.c_str());
+       if (outfile.is_open())
        {
-               if (*a == servername)
-                       return true;
+               outfile << getpid();
+               outfile.close();
+       }
+       else
+       {
+               printf("Failed to write PID-file '%s', exiting.\n",filename.c_str());
+               log(DEFAULT,"Failed to write PID-file '%s', exiting.",filename.c_str());
+               Exit(0);
        }
-       return false;
 }
 
 std::string InspIRCd::GetRevision()
@@ -164,16 +249,28 @@ InspIRCd::InspIRCd(int argc, char** argv)
        if (argc > 1) {
                for (int i = 1; i < argc; i++)
                {
-                       if (!strcmp(argv[i],"-nofork")) {
+                       if (!strcmp(argv[i],"-nofork"))
+                       {
                                Config->nofork = true;
                        }
-                       if (!strcmp(argv[i],"-wait")) {
+                       else if(!strcmp(argv[i],"-debug"))
+                       {
+                               Config->forcedebug = true;
+                       }
+                       else if(!strcmp(argv[i],"-nolog"))
+                       {
+                               Config->writelog = false;
+                       }
+                       else if (!strcmp(argv[i],"-wait"))
+                       {
                                sleep(6);
                        }
-                       if (!strcmp(argv[i],"-nolimit")) {
-                               Config->unlimitcore = true;
+                       else if (!strcmp(argv[i],"-nolimit"))
+                       {
+                               printf("WARNING: The `-nolimit' option is deprecated, and now on by default. This behaviour may change in the future.\n");
                        }
-                       if (!strcmp(argv[i],"-logfile")) {
+                       else if (!strcmp(argv[i],"-logfile"))
+                       {
                                if (argc > i+1)
                                {
                                        strlcpy(LOG_FILE,argv[i+1],MAXBUF);
@@ -192,39 +289,39 @@ InspIRCd::InspIRCd(int argc, char** argv)
 
        this->MakeLowerMap();
 
-        OpenLog(argv, argc);
-        Config->ClearStack();
-        Config->Read(true,NULL);
-        CheckRoot();
+       OpenLog(argv, argc);
+       this->stats = new serverstats();
+       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();
+       AddServerName(Config->ServerName);
+       CheckDie();
+       stats->BoundPortCount = BindPorts(true);
 
        for(int t = 0; t < 255; t++)
                Config->global_implementation[t] = 0;
 
        memset(&Config->implement_lists,0,sizeof(Config->implement_lists));
 
-        printf("\n");
+       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 */
+       if (!Config->nofork)
+       {
+               if (!DaemonSeed())
+               {
+                       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;
 }
@@ -260,38 +357,38 @@ void InspIRCd::erase_factory(int j)
        {
                if (v == j)
                {
-                       factory.erase(t);
-                       factory.push_back(NULL);
-                       return;
-               }
+                       factory.erase(t);
+                       factory.push_back(NULL);
+                       return;
+               }
                v++;
-       }
+       }
 }
 
 void InspIRCd::erase_module(int j)
 {
        int v1 = 0;
        for (std::vector<Module*>::iterator m = modules.begin(); m!= modules.end(); m++)
-        {
-                if (v1 == j)
-                {
+       {
+               if (v1 == j)
+               {
                        delete *m;
-                        modules.erase(m);
-                        modules.push_back(NULL);
+                       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;
-                }
+       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++;
-        }
+       }
 
 }
 
@@ -378,7 +475,7 @@ void InspIRCd::MoveToLast(std::string modulename)
 
 void InspIRCd::BuildISupport()
 {
-        // the neatest way to construct the initial 005 numeric, considering the number of configure constants to go in it...
+       // 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 MAXCHANNELS=" << MAXCHANS << " MAXBANS=60 VBANLIST NICKLEN=" << NICKMAX-1;
        v << " CASEMAPPING=rfc1459 STATUSMSG=@%+ CHARSET=ascii TOPICLEN=" << MAXTOPIC << " KICKLEN=" << MAXKICK << " MAXTARGETS=" << Config->MaxTargets << " AWAYLEN=";
@@ -412,7 +509,7 @@ bool InspIRCd::UnloadModule(const char* filename)
 
                        FOREACH_MOD(I_OnUnloadModule,OnUnloadModule(modules[j],Config->module_names[j]));
 
-                        for(int t = 0; t < 255; t++)
+                       for(int t = 0; t < 255; t++)
                        {
                                Config->global_implementation[t] -= Config->implement_lists[j][t];
                        }
@@ -432,8 +529,8 @@ bool InspIRCd::UnloadModule(const char* filename)
                        erase_module(j);
                        log(DEBUG,"Erasing module entry...");
                        erase_factory(j);
-                        log(DEBUG,"Removing dependent commands...");
-                        Parser->RemoveCommands(filename);
+                       log(DEBUG,"Removing dependent commands...");
+                       Parser->RemoveCommands(filename);
                        log(DEFAULT,"Module %s unloaded",filename);
                        MODCOUNT--;
                        BuildISupport();
@@ -466,8 +563,8 @@ bool InspIRCd::LoadModule(const char* filename)
 #endif
        log(DEBUG,"Loading module: %s",modfile);
 #ifndef STATIC_LINK
-        if (FileExists(modfile))
-        {
+       if (FileExists(modfile))
+       {
 #endif
                for (unsigned int j = 0; j < Config->module_names.size(); j++)
                {
@@ -479,22 +576,22 @@ bool InspIRCd::LoadModule(const char* filename)
                        }
                }
                ircd_module* a = new ircd_module(modfile);
-                factory[MODCOUNT+1] = a;
-                if (factory[MODCOUNT+1]->LastError())
-                {
-                        log(DEFAULT,"Unable to load %s: %s",modfile,factory[MODCOUNT+1]->LastError());
+               factory[MODCOUNT+1] = a;
+               if (factory[MODCOUNT+1]->LastError())
+               {
+                       log(DEFAULT,"Unable to load %s: %s",modfile,factory[MODCOUNT+1]->LastError());
                        snprintf(MODERR,MAXBUF,"Loader/Linker error: %s",factory[MODCOUNT+1]->LastError());
                        return false;
-                }
+               }
                try
                {
-                       if (factory[MODCOUNT+1]->factory)
-                       {
+                       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);
+                               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);
 
                                char* x = &Config->implement_lists[MODCOUNT+1][0];
                                for(int t = 0; t < 255; t++)
@@ -504,13 +601,13 @@ bool InspIRCd::LoadModule(const char* filename)
 
                                for(int t = 0; t < 255; t++)
                                        Config->global_implementation[t] += Config->implement_lists[MODCOUNT+1][t];
-                       }
+                       }
                        else
                        {
-                                       log(DEFAULT,"Unable to load %s",modfile);
+                                       log(DEFAULT,"Unable to load %s",modfile);
                                snprintf(MODERR,MAXBUF,"Factory function failed!");
                                return false;
-                       }
+                       }
                }
                catch (ModuleException& modexcept)
                {
@@ -519,13 +616,13 @@ bool InspIRCd::LoadModule(const char* filename)
                        return false;
                }
 #ifndef STATIC_LINK
-        }
-        else
-        {
-                log(DEFAULT,"InspIRCd: startup: Module Not Found %s",modfile);
+       }
+       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));
@@ -576,35 +673,35 @@ bool InspIRCd::LoadModule(const char* filename)
 
 void InspIRCd::DoOneIteration(bool process_module_sockets)
 {
-        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
-
-       if (yield_depth > 3)
+       int activefds[MAX_DESCRIPTORS];
+       int incomingSockfd;
+       int in_port;
+       userrec* cu = NULL;
+       InspSocket* s = NULL;
+       InspSocket* s_del = NULL;
+       unsigned int numberactive;
+       insp_sockaddr sock_us;     // our port number
+       socklen_t uslen;         // length of our port number
+
+       if (yield_depth > 100)
                return;
 
        yield_depth++;
 
-        /* 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);
-        
-        /* 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))
-        {
-                expire_lines();
+       /* 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);
+       
+       /* 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))
+       {
+               expire_lines();
                if (process_module_sockets)
                {
                        /* Fix by brain - the addition of DoOneIteration means that this
@@ -619,17 +716,17 @@ void InspIRCd::DoOneIteration(bool process_module_sockets)
                         *
                         * This should do the job and fix the bug.
                         */
-                       FOREACH_MOD(I_OnBackgroundTimer,OnBackgroundTimer(TIME));
+                       FOREACH_MOD(I_OnBackgroundTimer,OnBackgroundTimer(TIME));
                }
-                TickMissedTimers(TIME);
-                expire_run = true;
+               TickMissedTimers(TIME);
+               expire_run = true;
                yield_depth--;
-                return;
-        }   
-        else if ((TIME % 5) == 1)
-        {
-                expire_run = false;
-        }
+               return;
+       }   
+       else if ((TIME % 5) == 1)
+       {
+               expire_run = false;
+       }
 
        if (iterations++ == 15)
        {
@@ -637,151 +734,165 @@ void InspIRCd::DoOneIteration(bool process_module_sockets)
                DoBackgroundUserStuff(TIME);
        }
  
-        /* 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));
+       /* 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));
                if ((TIME % 3600) == 0)
                {
                        MaintainWhoWas(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.   
-         */ 
+       /* 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.   
+        */ 
        if (process_module_sockets)
-               DoSocketTimeouts(TIME);  
-         
-        TickTimers(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)))
+               DoSocketTimeouts(TIME);  
+        
+       TickTimers(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)))
        {
                yield_depth--;
-                return;
-       }
-
-        /**
-         * 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++)
-        {
-                int socket_type = SE->GetType(activefds[activefd]);
-                switch (socket_type)
-                {
-                        case X_ESTAB_CLIENT:
-
-                                cu = fd_ref_table[activefds[activefd]];
-                                if (cu)
-                                        ProcessUser(cu);  
-        
-                        break;
-        
-                        case X_ESTAB_MODULE:
+               return;
+       }
+
+       /**
+        * 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.
+        */
+       log(DEBUG,"There are %d fd's to process.",numberactive);
+
+       for (unsigned int activefd = 0; activefd < numberactive; activefd++)
+       {
+               int socket_type = SE->GetType(activefds[activefd]);
+               switch (socket_type)
+               {
+                       case X_ESTAB_CLIENT:
+
+                               log(DEBUG,"Type: X_ESTAB_CLIENT: fd=%d",activefds[activefd]);
+                               cu = fd_ref_table[activefds[activefd]];
+                               if (cu)
+                                       ProcessUser(cu);  
+       
+                       break;
+       
+                       case X_ESTAB_MODULE:
+
+                               log(DEBUG,"Type: X_ESTAB_MODULE: fd=%d",activefds[activefd]);
 
                                if (!process_module_sockets)
                                        break;
 
-                                /* 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 ((s) && (!s->Poll()))
-                                {
-                                        log(DEBUG,"inspircd.cpp: Socket poll returned false, close and bail");
-                                        SE->DelFd(s->GetFd());
+                               /* 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 ((s) && (!s->Poll()))
+                               {
+                                       log(DEBUG,"inspircd.cpp: Socket poll returned false, close and bail");
+                                       SE->DelFd(s->GetFd());
                                        socket_ref[activefds[activefd]] = NULL;
-                                        for (std::vector<InspSocket*>::iterator a = module_sockets.begin(); a < module_sockets.end(); a++)
-                                        {
-                                                s_del = (InspSocket*)*a;
-                                                if ((s_del) && (s_del->GetFd() == activefds[activefd]))
-                                                {
-                                                        module_sockets.erase(a);
-                                                        break;
-                                                }
-                                        }
-                                        s->Close();
-                                        delete s;
-                                }
-                        break;
-
-                        case X_ESTAB_DNS:
-                                /* When we are using single-threaded dns,
-                                 * the sockets for dns end up in our mainloop.
-                                 * When we are using multi-threaded dns,
-                                 * each thread has its own basic poll() loop
-                                 * within it, making them 'fire and forget'
-                                 * and independent of the mainloop.
-                                 */
+                                       for (std::vector<InspSocket*>::iterator a = module_sockets.begin(); a < module_sockets.end(); a++)
+                                       {
+                                               s_del = (InspSocket*)*a;
+                                               if ((s_del) && (s_del->GetFd() == activefds[activefd]))
+                                               {
+                                                       module_sockets.erase(a);
+                                                       break;
+                                               }
+                                       }
+                                       s->Close();
+                                       delete s;
+                               }
+                               else if (!s)
+                               {
+                                       log(DEBUG,"WTF, X_ESTAB_MODULE for nonexistent InspSocket, removed!");
+                                       SE->DelFd(s->GetFd());
+                               }
+                       break;
+
+                       case X_ESTAB_DNS:
+                               /* When we are using single-threaded dns,
+                                * the sockets for dns end up in our mainloop.
+                                * When we are using multi-threaded dns,
+                                * each thread has its own basic poll() loop
+                                * within it, making them 'fire and forget'
+                                * and independent of the mainloop.
+                                */
 #ifndef THREADED_DNS
-                                dns_poll(activefds[activefd]);
+                               log(DEBUG,"Type: X_ESTAB_DNS: fd=%d",activefds[activefd]);
+                               dns_poll(activefds[activefd]);
 #endif
-                        break;
+                       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)))
-                                {
-                                        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))
-                                        {
-                                                try
-                                                {
-                                                        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());
-                                                }
-                                        }
-                                        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);
-                                }
-                                else
-                                {
-                                        log(DEBUG,"Accept failed on fd %lu: %s",(unsigned long)incomingSockfd,strerror(errno));
-                                        shutdown(incomingSockfd,2);
-                                        close(incomingSockfd);
-                                        stats->statsRefused++;
-                                }
-                        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.
-                                 */
+                               log(DEBUG,"Type: X_LISTEN_MODULE: fd=%d",activefds[activefd]);
+
+                               /* 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)))
+                               {
+                                       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))
+                                       {
+                                               try
+                                               {
+                                                       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());
+                                               }
+                                       }
+                                       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);
+                               }
+                               else
+                               {
+                                       log(DEBUG,"Accept failed on fd %lu: %s",(unsigned long)incomingSockfd,strerror(errno));
+                                       shutdown(incomingSockfd,2);
+                                       close(incomingSockfd);
+                                       stats->statsRefused++;
+                               }
+                       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.
+                                */
+                               log(DEBUG,"Type: X_WHAT_THE_FUCK_BBQ: fd=%d",activefds[activefd]);
                                SE->DelFd(activefds[activefd]);
-                        break;
-                }
-        }
+                       break;
+               }
+       }
        yield_depth--;
 }
 
@@ -789,9 +900,12 @@ int InspIRCd::Run()
 {
        /* Until THIS point, ServerInstance == NULL */
        
-        LoadAllModules(this);
+       LoadAllModules(this);
+
+       /* Just in case no modules were loaded - fix for bug #101 */
+       this->BuildISupport();
 
-        printf("\nInspIRCd is now running!\n");
+       printf("\nInspIRCd is now running!\n");
        
        if (!Config->nofork)
        {
@@ -829,9 +943,17 @@ int InspIRCd::Run()
 
 int main(int argc, char** argv)
 {
-        ServerInstance = new InspIRCd(argc, argv);
-        ServerInstance->Run();
-        delete ServerInstance;
-        return 0;
+       try
+       {
+               ServerInstance = new InspIRCd(argc, argv);
+               ServerInstance->Run();
+               delete ServerInstance;
+       }
+       catch (std::bad_alloc)
+       {
+               log(DEFAULT,"You are out of memory! (got exception std::bad_alloc!)");
+               send_error("**** OUT OF MEMORY **** We're gonna need a bigger boat!");
+               printf("Out of memory! (got exception std::bad_alloc!");
+       }
+       return 0;
 }
-