X-Git-Url: https://git.netwichtig.de/gitweb/?a=blobdiff_plain;f=src%2Finspircd_io.cpp;h=aee8abe88d2ecc57c1814a71091a4f1aa50dadbd;hb=59b1a8955142935b02af6446005ab47fc7c3fc8c;hp=d452a3dbebdbbbb3e0548cb5f4bedb9c9faa71c5;hpb=0291b2f2edad6d62f4e0c08a804a2276959e6e7b;p=user%2Fhenk%2Fcode%2Finspircd.git

diff --git a/src/inspircd_io.cpp b/src/inspircd_io.cpp
index d452a3dbe..aee8abe88 100644
--- a/src/inspircd_io.cpp
+++ b/src/inspircd_io.cpp
@@ -82,7 +82,12 @@ 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)
@@ -197,8 +202,7 @@ 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("dns",bail,user) || !CheckOnce("pid",bail,user))
+		|| !CheckOnce("power",bail,user) || !CheckOnce("options",bail,user) || !CheckOnce("pid",bail,user))
 	{
 		return;
 	}
@@ -257,12 +261,46 @@ 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,'.');
+		strlcat(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")));
@@ -335,6 +373,12 @@ void ServerConfig::Read(bool bail, userrec* user)
                         {
                                 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);