]> git.netwichtig.de Git - user/henk/code/inspircd.git/blobdiff - src/inspircd_io.cpp
More cleanup
[user/henk/code/inspircd.git] / src / inspircd_io.cpp
index 64b74a2b94534aafeef4f942ea2c484bf4ef2390..13dfcd1b602b28a1f4ccce4ac4ca92135a02e3f5 100644 (file)
@@ -37,26 +37,29 @@ extern InspIRCd* ServerInstance;
 extern int openSockfd[MAXSOCKS];
 extern time_t TIME;
 
+extern int MODCOUNT;
+extern std::vector<Module*> modules;
+extern std::vector<ircd_module*> factory;
 
 ServerConfig::ServerConfig()
 {
        this->ClearStack();
-       *ServerName = *Network = *ServerDesc = *AdminName = '\0';
-       *AdminEmail = *AdminNick = *diepass = *restartpass = '\0';
+       *TempDir = *ServerName = *Network = *ServerDesc = *AdminName = '\0';
+       *HideWhoisServer = *AdminEmail = *AdminNick = *diepass = *restartpass = '\0';
        *CustomVersion = *motd = *rules = *PrefixQuit = *DieValue = *DNSServer = '\0';
        *OperOnlyStats = *ModPath = *MyExecutable = *DisabledCommands = *PID = '\0';
        log_file = NULL;
-       nofork = false;
-       unlimitcore = false;
+       nofork = HideBans = HideSplits = unlimitcore = false;
        AllowHalfop = true;
-       dns_timeout = 5;
+       dns_timeout = DieDelay = 5;
+       MaxTargets = 20;
        NetBufferSize = 10240;
        SoftLimit = MAXCLIENTS;
        MaxConn = SOMAXCONN;
        MaxWhoResults = 100;
        debugging = 0;
        LogLevel = DEFAULT;
-       DieDelay = 5;
+       maxbans.clear();
 }
 
 void ServerConfig::ClearStack()
@@ -77,7 +80,12 @@ bool ServerConfig::AddIOHook(int port, Module* iomod)
                IOHookModule[port] = iomod;
                return true;
        }
-       return false;
+       else
+       {
+               ModuleException err("Port already hooked by another module");
+               throw(err);
+               return false;
+       }
 }
 
 bool ServerConfig::DelIOHook(int port)
@@ -91,10 +99,66 @@ bool ServerConfig::DelIOHook(int port)
        return false;
 }
 
+bool ServerConfig::CheckOnce(char* tag, bool bail, userrec* user)
+{
+       int count = ConfValueEnum(tag,&Config->config_f);
+       if (count > 1)
+       {
+               if (bail)
+               {
+                       printf("There were errors in your configuration:\nYou have more than one <%s> tag, this is not permitted.\n",tag);
+                       Exit(0);
+               }
+               else
+               {
+                       if (user)
+                       {
+                               WriteServ(user->fd,"There were errors in your configuration:");
+                               WriteServ(user->fd,"You have more than one <%s> tag, this is not permitted.\n",tag);
+                       }
+                       else
+                       {
+                               WriteOpers("There were errors in the configuration file:");
+                               WriteOpers("You have more than one <%s> tag, this is not permitted.\n",tag);
+                       }
+               }
+               return false;
+       }
+       if (count < 1)
+       {
+               if (bail)
+               {
+                       printf("There were errors in your configuration:\nYou have not defined a <%s> tag, this is required.\n",tag);
+                       Exit(0);
+               }
+               else
+               {
+                       if (user)
+                       {
+                               WriteServ(user->fd,"There were errors in your configuration:");
+                               WriteServ(user->fd,"You have not defined a <%s> tag, this is required.",tag);
+                       }
+                       else
+                       {
+                               WriteOpers("There were errors in the configuration file:");
+                               WriteOpers("You have not defined a <%s> tag, this is required.",tag);
+                       }
+               }
+               return false;
+       }
+       return true;
+}
+
 void ServerConfig::Read(bool bail, userrec* user)
 {
-        char dbg[MAXBUF],pauseval[MAXBUF],Value[MAXBUF],timeout[MAXBUF],NB[MAXBUF],flood[MAXBUF],MW[MAXBUF],MCON[MAXBUF];
+       /** Yes yes, i know, this function is craq worthy of
+        * sirv. Its a mess, and some day i will tidy it.
+        * ...But that day will not be today. or probaby not
+        * tomorrow even, because it works fine.
+        */
+        char dbg[MAXBUF],pauseval[MAXBUF],Value[MAXBUF],timeout[MAXBUF],NB[MAXBUF],flood[MAXBUF],MW[MAXBUF],MCON[MAXBUF],MT[MAXBUF];
         char AH[MAXBUF],AP[MAXBUF],AF[MAXBUF],DNT[MAXBUF],pfreq[MAXBUF],thold[MAXBUF],sqmax[MAXBUF],rqmax[MAXBUF],SLIMT[MAXBUF];
+       char localmax[MAXBUF],globalmax[MAXBUF],HS[MAXBUF],HB[MAXBUF],ServName[MAXBUF];
         ConnectClass c;
         std::stringstream errstr;
         include_stack.clear();
@@ -133,6 +197,14 @@ void ServerConfig::Read(bool bail, userrec* user)
                 }
         }
 
+       /* Check we dont have more than one of singular tags
+        */
+       if (!CheckOnce("server",bail,user) || !CheckOnce("admin",bail,user) || !CheckOnce("files",bail,user)
+               || !CheckOnce("power",bail,user) || !CheckOnce("options",bail,user) || !CheckOnce("pid",bail,user))
+       {
+               return;
+       }
+
         ConfValue("server","name",0,Config->ServerName,&Config->config_f);
         ConfValue("server","description",0,Config->ServerDesc,&Config->config_f);
         ConfValue("server","network",0,Config->Network,&Config->config_f);
@@ -160,8 +232,26 @@ void ServerConfig::Read(bool bail, userrec* user)
         ConfValue("options","softlimit",0,SLIMT,&Config->config_f);
        ConfValue("options","operonlystats",0,Config->OperOnlyStats,&Config->config_f);
        ConfValue("options","customversion",0,Config->CustomVersion,&Config->config_f);
-
+       ConfValue("options","maxtargets",0,MT,&Config->config_f);
+       ConfValue("options","hidesplits",0,HS,&Config->config_f);
+       ConfValue("options","hidebans",0,HB,&Config->config_f);
+       ConfValue("options","hidewhois",0,Config->HideWhoisServer,&Config->config_f);
+       ConfValue("options","tempdir",0,Config->TempDir,&Config->config_f);
+
+       strlower(Config->ServerName);
+
+       if (!*Config->TempDir)
+               strlcpy(Config->TempDir,"/tmp",1024);
+       Config->HideSplits = ((*HS == 'y') || (*HS == 'Y') || (*HS == '1') || (*HS == 't') || (*HS == 'T'));
+       Config->HideBans = ((*HB == 'y') || (*HB == 'Y') || (*HB == '1') || (*HB == 't') || (*HB == 'T'));
         Config->SoftLimit = atoi(SLIMT);
+       if (*MT)
+               Config->MaxTargets = atoi(MT);
+       if ((Config->MaxTargets < 0) || (Config->MaxTargets > 31))
+       {
+               log(DEFAULT,"WARNING: <options:maxtargets> value is greater than 31 or less than 0, set to 20.");
+               Config->MaxTargets = 20;
+       }
         if ((Config->SoftLimit < 1) || (Config->SoftLimit > MAXCLIENTS))
         {
                 log(DEFAULT,"WARNING: <options:softlimit> value is greater than %d or less than 0, set to %d.",MAXCLIENTS,MAXCLIENTS);
@@ -173,12 +263,46 @@ void ServerConfig::Read(bool bail, userrec* user)
         Config->NetBufferSize = atoi(NB);
         Config->MaxWhoResults = atoi(MW);
         Config->dns_timeout = atoi(DNT);
+       if (!strchr(Config->ServerName,'.'))
+       {
+               log(DEFAULT,"WARNING: <server:name> '%s' is not a fully-qualified domain name. Changed to '%s%c'",Config->ServerName,Config->ServerName,'.');
+               charlcat(Config->ServerName,'.',MAXBUF);
+       }
         if (!Config->dns_timeout)
                 Config->dns_timeout = 5;
         if (!Config->MaxConn)
                 Config->MaxConn = SOMAXCONN;
         if (!*Config->DNSServer)
-                strlcpy(Config->DNSServer,"127.0.0.1",MAXBUF);
+       {
+               // attempt to look up their nameserver from /etc/resolv.conf
+               log(DEFAULT,"WARNING: <dns:server> not defined, attempting to find working server in /etc/resolv.conf...");
+               ifstream resolv("/etc/resolv.conf");
+               std::string nameserver;
+               bool found_server = false;
+               if (resolv.is_open())
+               {
+                       while (resolv >> nameserver)
+                       {
+                               if ((nameserver == "nameserver") && (!found_server))
+                               {
+                                       resolv >> nameserver;
+                                       strlcpy(Config->DNSServer,nameserver.c_str(),MAXBUF);
+                                       found_server = true;
+                                       log(DEFAULT,"<dns:server> set to '%s' as first resolver in /etc/resolv.conf.",nameserver.c_str());
+                               }
+                       }
+                       if (!found_server)
+                       {
+                               log(DEFAULT,"/etc/resolv.conf contains no viable nameserver entries! Defaulting to nameserver '127.0.0.1'!");
+                               strlcpy(Config->DNSServer,"127.0.0.1",MAXBUF);
+                       }
+               }
+               else
+               {
+                       log(DEFAULT,"/etc/resolv.conf can't be opened! Defaulting to nameserver '127.0.0.1'!");
+                       strlcpy(Config->DNSServer,"127.0.0.1",MAXBUF);
+               }
+       }
         if (!*Config->ModPath)
                 strlcpy(Config->ModPath,MOD_PATH,MAXBUF);
         Config->AllowHalfop = ((!strcasecmp(AH,"true")) || (!strcasecmp(AH,"1")) || (!strcasecmp(AH,"yes")));
@@ -222,6 +346,8 @@ void ServerConfig::Read(bool bail, userrec* user)
                 ConfValue("connect","threshold",i,thold,&Config->config_f);
                 ConfValue("connect","sendq",i,sqmax,&Config->config_f);
                 ConfValue("connect","recvq",i,rqmax,&Config->config_f);
+               ConfValue("connect","localmax",i,localmax,&Config->config_f);
+               ConfValue("connect","globalmax",i,globalmax,&Config->config_f);
                 if (*Value)
                 {
                         c.host = Value;
@@ -235,10 +361,26 @@ void ServerConfig::Read(bool bail, userrec* user)
                         c.threshold = 5;
                         c.sendqmax = 262144; // 256k
                         c.recvqmax = 4096;   // 4k
+                       c.maxlocal = 3;
+                       c.maxglobal = 3;
+                       if (atoi(localmax)>0)
+                       {
+                               c.maxlocal = atoi(localmax);
+                       }
+                       if (atoi(globalmax)>0)
+                       {
+                               c.maxglobal = atoi(globalmax);
+                       }
                         if (atoi(thold)>0)
                         {
                                 c.threshold = atoi(thold);
                         }
+                       else
+                       {
+                               c.threshold = 1;
+                               c.flood = 999;
+                               log(DEFAULT,"Warning: Connect allow line '%s' has no flood/threshold settings. Setting this tag to 999 lines in 1 second.",c.host.c_str());
+                       }
                         if (atoi(sqmax)>0)
                         {
                                 c.sendqmax = atoi(sqmax);
@@ -267,6 +409,24 @@ void ServerConfig::Read(bool bail, userrec* user)
                 }
 
         }
+       Config->ulines.clear();
+        for (int i = 0; i < ConfValueEnum("uline",&Config->config_f); i++)
+        {       
+                ConfValue("uline","server",i,ServName,&Config->config_f);
+                {
+                       log(DEBUG,"Read ULINE '%s'",ServName);
+                        Config->ulines.push_back(ServName);
+                }
+        }
+       maxbans.clear();
+        char CM1[MAXBUF],CM2[MAXBUF];
+        for (int count = 0; count < Config->ConfValueEnum("banlist",&Config->config_f); count++)
+        {
+                Config->ConfValue("banlist","chan",count,CM1,&Config->config_f);
+               Config->ConfValue("banlist","limit",count,CM2,&Config->config_f);
+               maxbans[CM1] = atoi(CM2);
+        }
+       ReadClassesAndTypes();
         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...");
@@ -329,12 +489,14 @@ void ServerConfig::Read(bool bail, userrec* user)
                         if (ServerInstance->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());
+                                if (user)
+                                       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(), ServerInstance->ModuleError());
+                               if (user)
+                                       WriteServ(user->fd,"972 %s %s :Failed to unload module %s: %s",user->nick, removing->c_str(), removing->c_str(), ServerInstance->ModuleError());
                         }
                 }
                 if (!added_modules.empty())
@@ -343,12 +505,14 @@ void ServerConfig::Read(bool bail, userrec* user)
                         if (ServerInstance->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());
+                               if (user)
+                                       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(), ServerInstance->ModuleError());
+                               if (user)
+                                       WriteServ(user->fd,"974 %s %s :Failed to load module %s: %s",user->nick, adding->c_str(), adding->c_str(), ServerInstance->ModuleError());
                         }
                 }
                 log(DEFAULT,"Successfully unloaded %lu of %lu modules and loaded %lu of %lu modules.",(unsigned long)rem,(unsigned long)removed_modules.size(),
@@ -373,12 +537,21 @@ void Killed(int status)
        exit(status);
 }
 
+char* CleanFilename(char* name)
+{
+       char* p = name + strlen(name);
+       while ((p != name) && (*p != '/')) p--;
+       return (p != name ? ++p : p);
+}
+
+
 void Rehash(int status)
 {
-       WriteOpers("Rehashing config file %s due to SIGHUP",CONFIG_FILE);
+       WriteOpers("Rehashing config file %s due to SIGHUP",CleanFilename(CONFIG_FILE));
        fclose(Config->log_file);
-       OpenLog(NULL,NULL);
+       OpenLog(NULL,0);
        Config->Read(false,NULL);
+       FOREACH_MOD(I_OnRehash,OnRehash(""));
 }
 
 
@@ -387,9 +560,8 @@ void Start (void)
 {
        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:\033[1;32m     Brain, FrostyCoolSlug\033[0m\n");
-       printf("Documentation:\033[1;32m  FrostyCoolSlug, w00t\033[0m\n");
-       printf("Testers:\033[1;32m        typobox43, piggles, Lord_Zathras, CC\033[0m\n");
+       printf("Developers:\033[1;32m     Brain, FrostyCoolSlug, w00t, Om\033[0m\n");
+       printf("Others:\033[1;32m         See /INFO Output\033[0m\n");
        printf("Name concept:\033[1;32m   Lord_Zathras\033[0m\n\n");
 }
 
@@ -425,13 +597,15 @@ int DaemonSeed (void)
        if ((childpid = fork ()) < 0)
                return (ERROR);
        else if (childpid > 0)
+       {
+               /* We wait a few seconds here, so that the shell prompt doesnt come back over the output */
+               sleep(6);
                exit (0);
+       }
        setsid ();
        umask (007);
        printf("InspIRCd Process ID: \033[1;32m%lu\033[0m\n",(unsigned long)getpid());
 
-       setpriority(PRIO_PROCESS,(int)getpid(),15);
-
        if (Config->unlimitcore)
        {
                rlimit rl;
@@ -499,11 +673,11 @@ std::string ServerConfig::ConfProcess(char* buffer, long linenumber, std::string
                return "";
        }
        // firstly clean up the line by stripping spaces from the start and end and converting tabs to spaces
-       for (unsigned int d = 0; d < strlen(buffer); d++)
-               if ((buffer[d]) == 9)
-                       buffer[d] = ' ';
-       while ((buffer[0] == ' ') && (strlen(buffer)>0)) buffer++;
-       while ((buffer[strlen(buffer)-1] == ' ') && (strlen(buffer)>0)) buffer[strlen(buffer)-1] = '\0';
+       for (char* d = buffer; *d; d++)
+               if (*d == 9)
+                       *d = ' ';
+       while (*buffer == ' ') buffer++;
+       while ((buffer[strlen(buffer)-1] == ' ') && (*buffer)) buffer[strlen(buffer)-1] = '\0';
 
        // empty lines are syntactically valid, as are comments
        if (!(*buffer) || buffer[0] == '#')
@@ -671,7 +845,7 @@ bool ServerConfig::LoadConf(const char* filename, std::stringstream *target, std
                                                                        break;
                                                                }
                                                        }
-                                                       log(DEFAULT,"Opening included file '%s'",buf);
+                                                       log(DEBUG,"Opening included file '%s'",buf);
                                                        if (*buf != '/')
                                                        {
                                                                strlcpy(confpath,CONFIG_FILE,10240);
@@ -728,9 +902,10 @@ int ServerConfig::EnumConf(std::stringstream *config, const char* tag)
        char buffer[MAXBUF], c_tag[MAXBUF], c, lastc;
        int in_token, in_quotes, tptr, idx = 0;
 
-       const char* buf = config->str().c_str();
+       std::string x = config->str();
+       const char* buf = x.c_str();
        long bptr = 0;
-       long len = strlen(buf);
+       long len = config->str().length();
        
        ptr = 0;
        in_token = 0;
@@ -897,7 +1072,8 @@ int ServerConfig::ReadConf(std::stringstream *config, const char* tag, const cha
        int in_token, in_quotes, tptr, idx = 0;
        char* key;
 
-       const char* buf = config->str().c_str();
+       std::string x = config->str();
+       const char* buf = x.c_str();
        long bptr = 0;
        long len = config->str().length();
        
@@ -1015,7 +1191,7 @@ int BindSocket (int sockfd, struct sockaddr_in client, struct sockaddr_in server
        struct in_addr addy;
        inet_aton(addr,&addy);
        server.sin_family = AF_INET;
-       if (!strcmp(addr,""))
+       if (!*addr)
        {
                server.sin_addr.s_addr = htonl(INADDR_ANY);
        }
@@ -1067,11 +1243,18 @@ int BindPorts()
                 Config->ConfValue("bind","port",count,configToken,&Config->config_f);
                 Config->ConfValue("bind","address",count,Addr,&Config->config_f);
                 Config->ConfValue("bind","type",count,Type,&Config->config_f);
-                if (strcmp(Type,"servers"))
+                if ((!*Type) || (!strcmp(Type,"clients")))
                 {
-                        // modules handle server bind types now,
-                        // its not a typo in the strcmp.
+                        // modules handle server bind types now
                         Config->ports[clientportcount] = atoi(configToken);
+
+                       // If the client put bind "*", this is an unrealism.
+                       // We don't actually support this as documented, but
+                       // i got fed up of people trying it, so now it converts
+                       // it to an empty string meaning the same 'bind to all'.
+                       if (*Addr == '*')
+                               *Addr = 0;
+
                         strlcpy(Config->addrs[clientportcount],Addr,256);
                         clientportcount++;
                         log(DEBUG,"InspIRCd: startup: read binding %s:%s [%s] from config",Addr,configToken, Type);
@@ -1083,12 +1266,12 @@ int BindPorts()
         {
                 if ((openSockfd[BoundPortCount] = OpenTCPSocket()) == ERROR)
                 {
-                        log(DEBUG,"InspIRCd: startup: bad fd %lu",(unsigned long)openSockfd[BoundPortCount]);
+                        log(DEBUG,"InspIRCd: startup: bad fd %lu binding port [%s:%d]",(unsigned long)openSockfd[BoundPortCount],Config->addrs[count],(unsigned long)Config->ports[count]);
                         return(ERROR);
                 }
                 if (BindSocket(openSockfd[BoundPortCount],client,server,Config->ports[count],Config->addrs[count]) == ERROR)
                 {
-                        log(DEFAULT,"InspIRCd: startup: failed to bind port %lu",(unsigned long)Config->ports[count]);
+                        log(DEFAULT,"InspIRCd: startup: failed to bind port [%s:%lu]: %s",Config->addrs[count],(unsigned long)Config->ports[count],strerror(errno));
                 }
                 else    /* well we at least bound to one socket so we'll continue */
                 {