]> git.netwichtig.de Git - user/henk/code/inspircd.git/blobdiff - src/inspircd.cpp
Fixed bug where if channel limit was lower than the user count users could still...
[user/henk/code/inspircd.git] / src / inspircd.cpp
index 64ba6a8c17773dc2c24c7e5039bbfb9f9471d966..3e70d27f543eeaecca9f4ffe747ce4272ef1beed 100644 (file)
@@ -89,6 +89,8 @@ extern int MaxWhoResults;
 time_t nb_start = 0;
 int dns_timeout = 5;
 
+char DisabledCommands[MAXBUF];
+
 bool AllowHalfop = true;
 bool AllowProtect = true;
 bool AllowFounder = true;
@@ -101,6 +103,7 @@ std::vector<int> fd_reap;
 extern int MODCOUNT;
 int openSockfd[MAXSOCKS];
 bool nofork = false;
+bool unlimitcore = false;
 
 time_t TIME = time(NULL);
 
@@ -191,6 +194,7 @@ char MyExecutable[1024];
 int boundPortCount = 0;
 int portCount = 0, UDPportCount = 0, ports[MAXSOCKS];
 int defaultRoute = 0;
+char ModPath[MAXBUF];
 
 connection C;
 
@@ -317,7 +321,7 @@ void readfile(file_cache &F, const char* fname)
 void ReadConfig(bool bail, userrec* user)
 {
        char dbg[MAXBUF],pauseval[MAXBUF],Value[MAXBUF],timeout[MAXBUF],NB[MAXBUF],flood[MAXBUF],MW[MAXBUF];
-       char AH[MAXBUF],AP[MAXBUF],AF[MAXBUF],DNT[MAXBUF];
+       char AH[MAXBUF],AP[MAXBUF],AF[MAXBUF],DNT[MAXBUF],pfreq[MAXBUF];
        ConnectClass c;
        std::stringstream errstr;
        
@@ -375,6 +379,9 @@ void ReadConfig(bool bail, userrec* user)
        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);
+
        NetBufferSize = atoi(NB);
        MaxWhoResults = atoi(MW);
        dns_timeout = atoi(DNT);
@@ -382,6 +389,8 @@ void ReadConfig(bool bail, userrec* user)
                dns_timeout = 5;
        if (!strcmp(DNSServer,""))
                strlcpy(DNSServer,"127.0.0.1",MAXBUF);
+       if (!strcmp(ModPath,""))
+               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")));
@@ -416,6 +425,7 @@ void ReadConfig(bool bail, userrec* user)
                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);
                if (strcmp(Value,""))
                {
                        strlcpy(c.host,Value,MAXBUF);
@@ -424,11 +434,16 @@ void ReadConfig(bool bail, userrec* user)
                        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);
                        if (atoi(timeout)>0)
                        {
                                c.registration_timeout = atoi(timeout);
                        }
+                       if (atoi(pfreq)>0)
+                       {
+                               c.pingtime = atoi(pfreq);
+                       }
                        Classes.push_back(c);
                        log(DEBUG,"Read connect class type ALLOW, host=%s password=%s timeout=%d flood=%d",c.host,c.pass,c.registration_timeout,c.flood);
                }
@@ -447,12 +462,90 @@ void ReadConfig(bool bail, userrec* user)
        log(DEFAULT,"Applying K lines, Q lines and Z lines...");
        apply_lines();
        log(DEFAULT,"Done reading configuration file, InspIRCd is now running.");
+       if (!bail)
+       {
+               log(DEFAULT,"Adding and removing modules due to rehash...");
+
+               std::vector<std::string> old_module_names, new_module_names, added_modules, removed_modules;
+
+               // store the old module names
+               for (std::vector<std::string>::iterator t = module_names.begin(); t != module_names.end(); t++)
+               {
+                       old_module_names.push_back(*t);
+               }
+
+               // get the new module names
+               for (int count2 = 0; count2 < ConfValueEnum("module",&config_f); count2++)
+               {
+                       ConfValue("module","name",count2,Value,&config_f);
+                       new_module_names.push_back(Value);
+               }
+
+               // now create a list of new modules that are due to be loaded
+               // and a seperate list of modules which are due to be unloaded
+               for (std::vector<std::string>::iterator _new = new_module_names.begin(); _new != new_module_names.end(); _new++)
+               {
+                       bool added = true;
+                       for (std::vector<std::string>::iterator old = old_module_names.begin(); old != old_module_names.end(); old++)
+                       {
+                               if (*old == *_new)
+                                       added = false;
+                       }
+                       if (added)
+                               added_modules.push_back(*_new);
+               }
+               for (std::vector<std::string>::iterator oldm = old_module_names.begin(); oldm != old_module_names.end(); oldm++)
+               {
+                       bool removed = true;
+                       for (std::vector<std::string>::iterator newm = new_module_names.begin(); newm != new_module_names.end(); newm++)
+                       {
+                               if (*newm == *oldm)
+                                       removed = false;
+                       }
+                       if (removed)
+                               removed_modules.push_back(*oldm);
+               }
+               // now we have added_modules, a vector of modules to be loaded, and removed_modules, a vector of modules
+               // to be removed.
+               int rem = 0, add = 0;
+               if (!removed_modules.empty())
+               for (std::vector<std::string>::iterator removing = removed_modules.begin(); removing != removed_modules.end(); removing++)
+               {
+                       if (UnloadModule(removing->c_str()))
+                       {
+                               WriteOpers("*** REHASH UNLOADED MODULE: %s",removing->c_str());
+                               WriteServ(user->fd,"973 %s %s :Module %s successfully unloaded.",user->nick, removing->c_str(), removing->c_str());
+                               rem++;
+                       }
+                       else
+                       {
+                               WriteServ(user->fd,"972 %s %s :Failed to unload module %s: %s",user->nick, removing->c_str(), removing->c_str(), ModuleError());
+                       }
+               }
+               if (!added_modules.empty())
+               for (std::vector<std::string>::iterator adding = added_modules.begin(); adding != added_modules.end(); adding++)
+               {
+                       if (LoadModule(adding->c_str()))
+                       {
+                               WriteOpers("*** REHASH LOADED MODULE: %s",adding->c_str());
+                               WriteServ(user->fd,"975 %s %s :Module %s successfully loaded.",user->nick, adding->c_str(), adding->c_str());
+                               add++;
+                       }
+                       else
+                       {
+                               WriteServ(user->fd,"974 %s %s :Failed to load module %s: %s",user->nick, adding->c_str(), adding->c_str(), ModuleError());
+                       }
+               }
+               log(DEFAULT,"Successfully unloaded %d of %d modules and loaded %d of %d modules.",rem,removed_modules.size(),add,added_modules.size());
+       }
 }
 
 /* write formatted text to a socket, in same format as printf */
 
 void Write(int sock,char *text, ...)
 {
+       if (sock == FD_MAGIC_NUMBER)
+               return;
        if (!text)
        {
                log(DEFAULT,"*** BUG *** Write was given an invalid parameter");
@@ -477,6 +570,8 @@ void Write(int sock,char *text, ...)
 
 void WriteServ(int sock, char* text, ...)
 {
+        if (sock == FD_MAGIC_NUMBER)
+                return;
        if (!text)
        {
                log(DEFAULT,"*** BUG *** WriteServ was given an invalid parameter");
@@ -500,6 +595,8 @@ void WriteServ(int sock, char* text, ...)
 
 void WriteFrom(int sock, userrec *user,char* text, ...)
 {
+        if (sock == FD_MAGIC_NUMBER)
+                return;
        if ((!text) || (!user))
        {
                log(DEFAULT,"*** BUG *** WriteFrom was given an invalid parameter");
@@ -528,6 +625,8 @@ void WriteTo(userrec *source, userrec *dest,char *data, ...)
                log(DEFAULT,"*** BUG *** WriteTo was given an invalid parameter");
                return;
        }
+        if (dest->fd == FD_MAGIC_NUMBER)
+                return;
        char textbuffer[MAXBUF],tb[MAXBUF];
        va_list argsPtr;
        va_start (argsPtr, data);
@@ -565,7 +664,8 @@ void WriteChannel(chanrec* Ptr, userrec* user, char* text, ...)
        {
                if (has_channel(i->second,Ptr))
                {
-                       WriteTo(user,i->second,"%s",textbuffer);
+                       if (i->second->fd != FD_MAGIC_NUMBER)
+                               WriteTo(user,i->second,"%s",textbuffer);
                }
        }
 }
@@ -590,7 +690,7 @@ void WriteChannelLocal(chanrec* Ptr, userrec* user, char* text, ...)
        {
                if (has_channel(i->second,Ptr))
                {
-                       if (i->second->fd != -1)
+                       if ((i->second->fd != -1) && (i->second->fd != FD_MAGIC_NUMBER))
                        {
                                if (!user)
                                {
@@ -622,7 +722,7 @@ void WriteChannelWithServ(char* ServerName, chanrec* Ptr, userrec* user, char* t
        {
                if (i->second)
                {
-                       if (has_channel(i->second,Ptr))
+                       if ((has_channel(i->second,Ptr)) && (i->second->fd != FD_MAGIC_NUMBER))
                        {
                                WriteServ(i->second->fd,"%s",textbuffer);
                        }
@@ -651,7 +751,7 @@ void ChanExceptSender(chanrec* Ptr, userrec* user, char* text, ...)
        {
                if (i->second)
                {
-                       if (has_channel(i->second,Ptr) && (user != i->second))
+                       if ((has_channel(i->second,Ptr)) && (user != i->second) && (i->second->fd != FD_MAGIC_NUMBER))
                        {
                                WriteTo(user,i->second,"%s",textbuffer);
                        }
@@ -707,7 +807,7 @@ void WriteCommon(userrec *u, char* text, ...)
        {
                if (i->second)
                {
-                       if (common_channels(u,i->second) && (i->second != u))
+                       if ((common_channels(u,i->second) && (i->second != u)) && (i->second->fd != FD_MAGIC_NUMBER))
                        {
                                WriteFrom(i->second->fd,u,"%s",textbuffer);
                        }
@@ -765,7 +865,7 @@ void WriteOpers(char* text, ...)
 
        for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
        {
-               if (i->second)
+               if ((i->second) && (i->second->fd != FD_MAGIC_NUMBER))
                {
                        if (strchr(i->second->modes,'o'))
                        {
@@ -825,6 +925,10 @@ void NetSendToCommon(userrec* u, char* s)
        
        log(DEBUG,"NetSendToCommon: '%s' '%s'",u->nick,s);
 
+        std::string msg = buffer;
+        FOREACH_MOD OnPacketTransmit(msg,s);
+        strlcpy(buffer,msg.c_str(),MAXBUF);
+
        for (int j = 0; j < 32; j++)
        {
                if (me[j] != NULL)
@@ -848,6 +952,10 @@ void NetSendToAll(char* s)
        
        log(DEBUG,"NetSendToAll: '%s'",s);
 
+        std::string msg = buffer;
+        FOREACH_MOD OnPacketTransmit(msg,s);
+        strlcpy(buffer,msg.c_str(),MAXBUF);
+
        for (int j = 0; j < 32; j++)
        {
                if (me[j] != NULL)
@@ -867,6 +975,10 @@ void NetSendToAllAlive(char* s)
        
        log(DEBUG,"NetSendToAllAlive: '%s'",s);
 
+        std::string msg = buffer;
+        FOREACH_MOD OnPacketTransmit(msg,s);
+        strlcpy(buffer,msg.c_str(),MAXBUF);
+
        for (int j = 0; j < 32; j++)
        {
                if (me[j] != NULL)
@@ -894,6 +1006,10 @@ void NetSendToOne(char* target,char* s)
        
        log(DEBUG,"NetSendToOne: '%s' '%s'",target,s);
 
+        std::string msg = buffer;
+        FOREACH_MOD OnPacketTransmit(msg,s);
+        strlcpy(buffer,msg.c_str(),MAXBUF);
+
        for (int j = 0; j < 32; j++)
        {
                if (me[j] != NULL)
@@ -916,6 +1032,10 @@ void NetSendToAllExcept(const char* target,char* s)
        
        log(DEBUG,"NetSendToAllExcept: '%s' '%s'",target,s);
        
+        std::string msg = buffer;
+        FOREACH_MOD OnPacketTransmit(msg,s);
+        strlcpy(buffer,msg.c_str(),MAXBUF);
+
        for (int j = 0; j < 32; j++)
        {
                if (me[j] != NULL)
@@ -948,7 +1068,7 @@ void WriteMode(const char* modes, int flags, const char* text, ...)
 
        for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
        {
-               if (i->second)
+               if ((i->second) && (i->second->fd != FD_MAGIC_NUMBER))
                {
                        bool send_to_user = false;
                        
@@ -1003,7 +1123,7 @@ void WriteWallOps(userrec *source, bool local_only, char* text, ...)
   
        for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
         {
-               if (i->second)
+               if ((i->second) && (i->second->fd != FD_MAGIC_NUMBER))
                {
                        if (strchr(i->second->modes,'w'))
                        {
@@ -1115,7 +1235,8 @@ void purge_empty_chans(void)
                                        if (i != chanlist.end())
                                        {
                                                log(DEBUG,"del_channel: destroyed: %s",i->second->name);
-                                               if (i->second) delete i->second;
+                                               if (i->second)
+                                                       delete i->second;
                                                chanlist.erase(i);
                                                go_again = 1;
                                                purge++;
@@ -1446,7 +1567,7 @@ chanrec* add_channel(userrec *user, const char* cn, const char* key, bool overri
                
                                        if (Ptr->limit)
                                        {
-                                               if (usercount(Ptr) == 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;
@@ -1659,7 +1780,6 @@ void kick_channel(userrec *src,userrec *user, chanrec *Ptr, char* reason)
 
        int MOD_RESULT = 0;
        FOREACH_RESULT(OnAccessCheck(src,user,Ptr,AC_KICK));
-       
        if (MOD_RESULT == ACR_DENY)
                return;
 
@@ -1679,7 +1799,14 @@ void kick_channel(userrec *src,userrec *user, chanrec *Ptr, char* reason)
                        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 */
@@ -1693,7 +1820,7 @@ void kick_channel(userrec *src,userrec *user, chanrec *Ptr, char* reason)
                        break;
                }
        }
-       
+
        /* if there are no users left on the channel */
        if (!usercount(Ptr))
        {
@@ -1931,7 +2058,7 @@ void kill_link(userrec *user,const char* r)
        if (user->registered == 7) {
                purge_empty_chans();
        }
-       user = NULL;
+       //user = NULL;
 }
 
 void kill_link_silent(userrec *user,const char* r)
@@ -2071,6 +2198,9 @@ int main(int argc, char **argv)
                        if (!strcmp(argv[i],"-wait")) {
                                sleep(6);
                        }
+                       if (!strcmp(argv[i],"-nolimit")) {
+                               unlimitcore = true;
+                       }
                }
        }
        strlcpy(MyExecutable,argv[0],MAXBUF);
@@ -2204,10 +2334,9 @@ void AddClient(int socket, char* host, int port, bool iscached, char* ip)
        strncpy(clientlist[tempnick]->host, host,160);
        strncpy(clientlist[tempnick]->dhost, host,160);
        strncpy(clientlist[tempnick]->server, ServerName,256);
-       strncpy(clientlist[tempnick]->ident, "unknown",9);
+       strncpy(clientlist[tempnick]->ident, "unknown",12);
        clientlist[tempnick]->registered = 0;
        clientlist[tempnick]->signon = TIME+dns_timeout;
-       clientlist[tempnick]->nping = TIME+240+dns_timeout;
        clientlist[tempnick]->lastping = 1;
        clientlist[tempnick]->port = port;
        strncpy(clientlist[tempnick]->ip,ip,32);
@@ -2222,10 +2351,12 @@ void AddClient(int socket, char* host, int port, bool iscached, char* ip)
                {
                        class_regtimeout = (unsigned long)i->registration_timeout;
                        class_flood = i->flood;
+                       clientlist[tempnick]->pingmax = i->pingtime;
                        break;
                }
        }
 
+       clientlist[tempnick]->nping = TIME+clientlist[tempnick]->pingmax+dns_timeout;
        clientlist[tempnick]->timeout = TIME+class_regtimeout;
        clientlist[tempnick]->flood = class_flood;
 
@@ -2450,11 +2581,26 @@ void FullConnectUser(userrec* user)
         NetSendToAll(buffer);
 }
 
+
+// this returns 1 when all modules are satisfied that the user should be allowed onto the irc server
+// (until this returns true, a user will block in the waiting state, waiting to connect up to the
+// registration timeout maximum seconds)
+bool AllModulesReportReady(userrec* user)
+{
+       for (int i = 0; i <= MODCOUNT; i++)
+       {
+               int res = modules[i]->OnCheckReady(user);
+                       if (!res)
+                               return false;
+       }
+       return true;
+}
+
 /* 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))
+       if ((user->dns_done) && (user->registered >= 3) && (AllModulesReportReady(user)))
        {
                FullConnectUser(user);
        }
@@ -2702,17 +2848,17 @@ void process_command(userrec *user, char* cmd)
                                total_params++;
                }
        }
-       
+
        // another phidjit bug...
        if (total_params > 126)
        {
-               //kill_link(user,"Protocol violation (1)");
-               WriteServ(user->fd,"421 %s * :Unknown command",user->nick);
+               *(strchr(cmd,' ')) = '\0';
+               WriteServ(user->fd,"421 %s %s :Too many parameters given",user->nick,cmd);
                return;
        }
-       
-       strlcpy(temp,cmd,MAXBUF);
 
+       strlcpy(temp,cmd,MAXBUF);
+       
        std::string tmp = cmd;
        for (int i = 0; i <= MODCOUNT; i++)
        {
@@ -2790,8 +2936,7 @@ void process_command(userrec *user, char* cmd)
        
        if (strlen(command)>MAXCOMMAND)
        {
-               //kill_link(user,"Protocol violation (2)");
-               WriteServ(user->fd,"421 %s * :Unknown command",user->nick);
+               WriteServ(user->fd,"421 %s %s :Command too long",user->nick,command);
                return;
        }
        
@@ -2803,8 +2948,7 @@ void process_command(userrec *user, char* cmd)
                        {
                                if (strchr("@!\"$%^&*(){}[]_=+;:'#~,<>/?\\|`",command[x]))
                                {
-                                       //kill_link(user,"Protocol violation (3)");
-                                       WriteServ(user->fd,"421 %s * :Unknown command",user->nick);
+                                       WriteServ(user->fd,"421 %s %s :Unknown command",user->nick,command);
                                        return;
                                }
                        }
@@ -2842,7 +2986,7 @@ void process_command(userrec *user, char* cmd)
                                        log(DEBUG,"Processing command");
                                        
                                        /* activity resets the ping pending timer */
-                                       user->nping = TIME + 120;
+                                       user->nping = TIME + user->pingmax;
                                        if ((items) < cmdlist[i].min_params)
                                        {
                                                log(DEBUG,"process_command: not enough parameters: %s %s",user->nick,command);
@@ -2873,12 +3017,31 @@ void process_command(userrec *user, char* cmd)
                                                        WriteServ(user->fd,"451 %s :You have not registered",command);
                                                        return;
                                                }
+                                       }
+                                       if ((user->registered == 7) && (!strchr(user->modes,'o')))
+                                       {
+                                               char* mycmd;
+                                               char* savept2;
+                                               mycmd = strtok_r(DisabledCommands," ",&savept2);
+                                               while (mycmd)
+                                               {
+                                                       if (!strcasecmp(mycmd,command))
+                                                       {
+                                                               // command is disabled!
+                                                               WriteServ(user->fd,"421 %s %s :This command has been disabled.",user->nick,command);
+                                                               return;
+                                                       }
+                                                       mycmd = strtok_r(NULL," ",&savept2);
+                                               }
+        
+
                                        }
                                        if ((user->registered == 7) || (!strcmp(command,"USER")) || (!strcmp(command,"NICK")) || (!strcmp(command,"PASS")))
                                        {
                                                log(DEBUG,"process_command: handler: %s %s %d",user->nick,command,items);
                                                if (cmdlist[i].handler_function)
                                                {
+                                                       
                                                        /* ikky /stats counters */
                                                        if (temp)
                                                        {
@@ -2893,6 +3056,12 @@ void process_command(userrec *user, char* cmd)
                                                                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! */
@@ -2920,11 +3089,12 @@ void process_command(userrec *user, char* cmd)
 }
 
 
-void createcommand(char* cmd, handlerfunc f, char flags, int minparams)
+void createcommand(char* cmd, handlerfunc f, char flags, int minparams,char* source)
 {
        command_t comm;
        /* create the command and push it onto the table */     
        strlcpy(comm.command,cmd,MAXBUF);
+       strlcpy(comm.source,source,MAXBUF);
        comm.handler_function = f;
        comm.flags_needed = flags;
        comm.min_params = minparams;
@@ -2934,58 +3104,80 @@ void createcommand(char* cmd, handlerfunc f, char flags, int minparams)
        log(DEBUG,"Added command %s (%d parameters)",cmd,minparams);
 }
 
+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 SetupCommandTable(void)
 {
-       createcommand("USER",handle_user,0,4);
-       createcommand("NICK",handle_nick,0,1);
-       createcommand("QUIT",handle_quit,0,0);
-       createcommand("VERSION",handle_version,0,0);
-       createcommand("PING",handle_ping,0,1);
-       createcommand("PONG",handle_pong,0,1);
-       createcommand("ADMIN",handle_admin,0,0);
-       createcommand("PRIVMSG",handle_privmsg,0,2);
-       createcommand("INFO",handle_info,0,0);
-       createcommand("TIME",handle_time,0,0);
-       createcommand("WHOIS",handle_whois,0,1);
-       createcommand("WALLOPS",handle_wallops,'o',1);
-       createcommand("NOTICE",handle_notice,0,2);
-       createcommand("JOIN",handle_join,0,1);
-       createcommand("NAMES",handle_names,0,1);
-       createcommand("PART",handle_part,0,1);
-       createcommand("KICK",handle_kick,0,2);
-       createcommand("MODE",handle_mode,0,1);
-       createcommand("TOPIC",handle_topic,0,1);
-       createcommand("WHO",handle_who,0,1);
-       createcommand("MOTD",handle_motd,0,0);
-       createcommand("RULES",handle_rules,0,0);
-       createcommand("OPER",handle_oper,0,2);
-       createcommand("LIST",handle_list,0,0);
-       createcommand("DIE",handle_die,'o',1);
-       createcommand("RESTART",handle_restart,'o',1);
-       createcommand("KILL",handle_kill,'o',2);
-       createcommand("REHASH",handle_rehash,'o',0);
-       createcommand("LUSERS",handle_lusers,0,0);
-       createcommand("STATS",handle_stats,0,1);
-       createcommand("USERHOST",handle_userhost,0,1);
-       createcommand("AWAY",handle_away,0,0);
-       createcommand("ISON",handle_ison,0,0);
-       createcommand("SUMMON",handle_summon,0,0);
-       createcommand("USERS",handle_users,0,0);
-       createcommand("INVITE",handle_invite,0,2);
-       createcommand("PASS",handle_pass,0,1);
-       createcommand("TRACE",handle_trace,'o',0);
-       createcommand("WHOWAS",handle_whowas,0,1);
-       createcommand("CONNECT",handle_connect,'o',1);
-       createcommand("SQUIT",handle_squit,'o',0);
-       createcommand("MODULES",handle_modules,'o',0);
-       createcommand("LINKS",handle_links,0,0);
-       createcommand("MAP",handle_map,0,0);
-       createcommand("KLINE",handle_kline,'o',1);
-       createcommand("GLINE",handle_gline,'o',1);
-       createcommand("ZLINE",handle_zline,'o',1);
-       createcommand("QLINE",handle_qline,'o',1);
-       createcommand("ELINE",handle_eline,'o',1);
-       createcommand("SERVER",handle_server,0,0);
+       createcommand("USER",handle_user,0,4,"<core>");
+       createcommand("NICK",handle_nick,0,1,"<core>");
+       createcommand("QUIT",handle_quit,0,0,"<core>");
+       createcommand("VERSION",handle_version,0,0,"<core>");
+       createcommand("PING",handle_ping,0,1,"<core>");
+       createcommand("PONG",handle_pong,0,1,"<core>");
+       createcommand("ADMIN",handle_admin,0,0,"<core>");
+       createcommand("PRIVMSG",handle_privmsg,0,2,"<core>");
+       createcommand("INFO",handle_info,0,0,"<core>");
+       createcommand("TIME",handle_time,0,0,"<core>");
+       createcommand("WHOIS",handle_whois,0,1,"<core>");
+       createcommand("WALLOPS",handle_wallops,'o',1,"<core>");
+       createcommand("NOTICE",handle_notice,0,2,"<core>");
+       createcommand("JOIN",handle_join,0,1,"<core>");
+       createcommand("NAMES",handle_names,0,0,"<core>");
+       createcommand("PART",handle_part,0,1,"<core>");
+       createcommand("KICK",handle_kick,0,2,"<core>");
+       createcommand("MODE",handle_mode,0,1,"<core>");
+       createcommand("TOPIC",handle_topic,0,1,"<core>");
+       createcommand("WHO",handle_who,0,1,"<core>");
+       createcommand("MOTD",handle_motd,0,0,"<core>");
+       createcommand("RULES",handle_rules,0,0,"<core>");
+       createcommand("OPER",handle_oper,0,2,"<core>");
+       createcommand("LIST",handle_list,0,0,"<core>");
+       createcommand("DIE",handle_die,'o',1,"<core>");
+       createcommand("RESTART",handle_restart,'o',1,"<core>");
+       createcommand("KILL",handle_kill,'o',2,"<core>");
+       createcommand("REHASH",handle_rehash,'o',0,"<core>");
+       createcommand("LUSERS",handle_lusers,0,0,"<core>");
+       createcommand("STATS",handle_stats,0,1,"<core>");
+       createcommand("USERHOST",handle_userhost,0,1,"<core>");
+       createcommand("AWAY",handle_away,0,0,"<core>");
+       createcommand("ISON",handle_ison,0,0,"<core>");
+       createcommand("SUMMON",handle_summon,0,0,"<core>");
+       createcommand("USERS",handle_users,0,0,"<core>");
+       createcommand("INVITE",handle_invite,0,2,"<core>");
+       createcommand("PASS",handle_pass,0,1,"<core>");
+       createcommand("TRACE",handle_trace,'o',0,"<core>");
+       createcommand("WHOWAS",handle_whowas,0,1,"<core>");
+       createcommand("CONNECT",handle_connect,'o',1,"<core>");
+       createcommand("SQUIT",handle_squit,'o',0,"<core>");
+       createcommand("MODULES",handle_modules,0,0,"<core>");
+       createcommand("LINKS",handle_links,0,0,"<core>");
+       createcommand("MAP",handle_map,0,0,"<core>");
+       createcommand("KLINE",handle_kline,'o',1,"<core>");
+       createcommand("GLINE",handle_gline,'o',1,"<core>");
+       createcommand("ZLINE",handle_zline,'o',1,"<core>");
+       createcommand("QLINE",handle_qline,'o',1,"<core>");
+       createcommand("ELINE",handle_eline,'o',1,"<core>");
+       createcommand("LOADMODULE",handle_loadmodule,'o',1,"<core>");
+       createcommand("UNLOADMODULE",handle_unloadmodule,'o',1,"<core>");
+       createcommand("SERVER",handle_server,0,0,"<core>");
 }
 
 void process_buffer(const char* cmdbuf,userrec *user)
@@ -3233,11 +3425,134 @@ void RemoveServer(const char* name)
 
 
 int reap_counter = 0;
+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 v = 0;
+       for (std::vector<Module*>::iterator m = modules.begin(); m!= modules.end(); m++)
+        {
+                if (v == j)
+                {
+                       delete *m;
+                        modules.erase(m);
+                        modules.push_back(NULL);
+                       break;
+                }
+               v++;
+        }
+       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)
+{
+       for (int j = 0; j != module_names.size(); j++)
+       {
+               if (module_names[j] == std::string(filename))
+               {
+                       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;
+                       }
+                       // 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 DirValid(char* dirandfile)
+{
+       char work[MAXBUF];
+       strlcpy(work,dirandfile,MAXBUF);
+       int p = strlen(work);
+       // we just want the dir
+       while (strlen(work))
+       {
+               if (work[p] == '/')
+               {
+                       work[p] = '\0';
+                       break;
+               }
+               work[p--] = '\0';
+       }
+       log(DEBUG,"Dir valid: %s",work);
+       char buffer[MAXBUF], otherdir[MAXBUF];
+       // Get the current working directory
+       if( getcwd( buffer, MAXBUF ) == NULL )
+               return false;
+       chdir(work);
+       if( getcwd( otherdir, MAXBUF ) == NULL )
+               return false;
+       chdir(buffer);
+       log(DEBUG,"Dir is really: %s",otherdir);
+       if (strlen(otherdir) >= strlen(work))
+       {
+               otherdir[strlen(work)] = '\0';
+               log(DEBUG,"Compare: '%s' -> '%s'",otherdir,work);
+               if (!strcmp(otherdir,work))
+               {
+                       log(DEBUG,"Match ok");
+                       return true;
+               }
+               log(DEBUG,"No match");
+               return false;
+       }
+       else return false;
+}
 
 bool LoadModule(const char* filename)
 {
        char modfile[MAXBUF];
-       snprintf(modfile,MAXBUF,"%s/%s",MOD_PATH,filename,&config_f);
+       snprintf(modfile,MAXBUF,"%s/%s",ModPath,filename);
+       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;
+       }
        log(DEBUG,"Loading module: %s",modfile);
         if (FileExists(modfile))
         {
@@ -3246,19 +3561,23 @@ bool LoadModule(const char* filename)
                        if (module_names[j] == std::string(filename))
                        {
                                log(DEFAULT,"Module %s is already loaded, cannot load a module twice!",modfile);
+                               snprintf(MODERR,MAXBUF,"Module already loaded");
                                return false;
                        }
                }
-                factory[MODCOUNT+1] = new ircd_module(modfile);
+               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());
+                       snprintf(MODERR,MAXBUF,"Loader/Linker error: %s",factory[MODCOUNT+1]->LastError());
                        MODCOUNT--;
                        return false;
                 }
                 if (factory[MODCOUNT+1]->factory)
                 {
-                        modules[MODCOUNT+1] = factory[MODCOUNT+1]->factory->CreateModule();
+                       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);
@@ -3266,12 +3585,14 @@ bool LoadModule(const char* filename)
                else
                 {
                         log(DEFAULT,"Unable to load %s",modfile);
+                       snprintf(MODERR,MAXBUF,"Factory function failed!");
                        return false;
                 }
         }
         else
         {
                 log(DEFAULT,"InspIRCd: startup: Module Not Found %s",modfile);
+               snprintf(MODERR,MAXBUF,"Module file could not be found");
                return false;
         }
        MODCOUNT++;
@@ -3371,7 +3692,7 @@ int InspIRCd(void)
                if (!LoadModule(configToken))
                {
                        log(DEBUG,"Exiting due to a module loader error.");
-                       printf("There was an error loading a module. View your ircd.log for details.\n");
+                       printf("There was an error loading a module: %s\n",ModuleError());
                        Exit(0);
                }
        }
@@ -3463,14 +3784,14 @@ int InspIRCd(void)
                // we only read time() once per iteration rather than tons of times!
                TIME = time(NULL);
 
-               user_hash::iterator count2 = clientlist.begin();
-
                // *FIX* Instead of closing sockets in kill_link when they receive the ERROR :blah line, we should queue
                // them in a list, then reap the list every second or so.
                if (((TIME % 5) == 0) && (!expire_run))
                {
                        expire_lines();
+                       FOREACH_MOD OnBackgroundTimer(TIME);
                        expire_run = true;
+                       continue;
                }
                if ((TIME % 5) == 1)
                        expire_run = false;
@@ -3480,16 +3801,20 @@ int InspIRCd(void)
                        {
                                for( int n = 0; n < fd_reap.size(); n++)
                                {
-                                       //Blocking(fd_reap[n]);
-                                       close(fd_reap[n]);
-                                       shutdown (fd_reap[n],2);
-                                       //NonBlocking(fd_reap[n]);
+                                       if ((fd_reap[n] > -1))
+                                       {
+                                               close(fd_reap[n]);
+                                               shutdown (fd_reap[n],2);
+                                       }
                                }
                        }
                        fd_reap.clear();
                        reap_counter=0;
                }
                reap_counter++;
+               
+               // fix by brain - this must be below any manipulation of the hashmap by modules
+               user_hash::iterator count2 = clientlist.begin();
 
                FD_ZERO(&serverfds);
                
@@ -3502,6 +3827,7 @@ int InspIRCd(void)
                // serverFds timevals went here
                
                tvs.tv_usec = 7000L;
+               tvs.tv_sec = 0;
                int servresult = select(32767, &serverfds, NULL, NULL, &tvs);
                if (servresult > 0)
                {
@@ -3537,6 +3863,7 @@ int InspIRCd(void)
                                {
                                        char udp_msg[MAXBUF];
                                        strlcpy(udp_msg,msgs[ctr].c_str(),MAXBUF);
+                                       log(DEBUG,"Processing: %s",udp_msg);
                                        if (strlen(udp_msg)<1)
                                        {
                                                log(DEBUG,"Invalid string from %s [route%d]",tcp_host,x);
@@ -3555,7 +3882,9 @@ int InspIRCd(void)
                                                else
                                                        NetSendToAllExcept(tcp_host,udp_msg);
                                        }
-                                       FOREACH_MOD OnPacketReceive(udp_msg);
+                                       std::string msg = udp_msg;
+                                       FOREACH_MOD OnPacketReceive(msg,tcp_host);
+                                       strlcpy(udp_msg,msg.c_str(),MAXBUF);
                                        handle_link_packet(udp_msg, tcp_host, me[x]);
                                }
                                goto label;
@@ -3572,7 +3901,7 @@ int InspIRCd(void)
                user_hash::iterator endingiter = count2;
 
                if (count2 == clientlist.end()) break;
-               
+
                if (count2->second)
                if (count2->second->fd != 0)
                {
@@ -3586,7 +3915,7 @@ int InspIRCd(void)
                                if (count2 != clientlist.end())
                                {
                                        // we don't check the state of remote users.
-                                       if (count2->second->fd > 0)
+                                       if ((count2->second->fd != -1) && (count2->second->fd != FD_MAGIC_NUMBER))
                                        {
                                                FD_SET (count2->second->fd, &sfd);
 
@@ -3598,14 +3927,16 @@ int InspIRCd(void)
                                                        kill_link(count2->second,"Registration timeout");
                                                        goto label;
                                                }
-                                               if ((TIME > count2->second->signon) && (count2->second->registered == 3))
+                                               if ((TIME > count2->second->signon) && (count2->second->registered == 3) && (AllModulesReportReady(count2->second)))
                                                {
-                                                               count2->second->dns_done = true;
-                                                               FullConnectUser(count2->second);
-                                                               goto label;
+                                                       log(DEBUG,"signon exceed, registered=3, and modules ready, OK");
+                                                       count2->second->dns_done = true;
+                                                       FullConnectUser(count2->second);
+                                                       goto label;
                                                }
-                                               if ((count2->second->dns_done) && (count2->second->registered == 3)) // both NICK and USER... and DNS
+                                               if ((count2->second->dns_done) && (count2->second->registered == 3) && (AllModulesReportReady(count2->second))) // both NICK and USER... and DNS
                                                {
+                                                       log(DEBUG,"dns done, registered=3, and modules ready, OK");
                                                        FullConnectUser(count2->second);
                                                        goto label;
                                                }
@@ -3620,7 +3951,7 @@ int InspIRCd(void)
                                                        Write(count2->second->fd,"PING :%s",ServerName);
                                                        log(DEBUG,"InspIRCd: pinging: %s",count2->second->nick);
                                                        count2->second->lastping = 0;
-                                                       count2->second->nping = TIME+120;
+                                                       count2->second->nping = TIME+count2->second->pingmax;   // was hard coded to 120
                                                }
                                        }
                                        count2++;
@@ -3649,13 +3980,21 @@ int InspIRCd(void)
 #endif
 
                                result = EAGAIN;
-                               if ((count2a->second->fd != -1) && (FD_ISSET (count2a->second->fd, &sfd)))
+                               if ((count2a->second->fd != FD_MAGIC_NUMBER) && (count2a->second->fd != -1) && (FD_ISSET (count2a->second->fd, &sfd)))
                                {
                                        memset(data, 0, 10240);
                                        result = read(count2a->second->fd, data, 10240);
                                        
                                        if (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] = ' ';
+                                               }
                                                userrec* current = count2a->second;
                                                int currfd = current->fd;
                                                char* l = strtok(data,"\n");
@@ -3786,7 +4125,7 @@ int InspIRCd(void)
                }
        }
        label:
-       if(0) {}; // "Label must be followed by a statement"... so i gave it one.
+       if (0) {};
 }
 /* not reached */
 close (incomingSockfd);