Allow hostmasks to be in uplink:host

(cherry picked from commit 18377ac9fd)

include/dns.h

@@ -174,6 +174,12 @@ class DNSManager : public Timer
 	void Tick(time_t now);
 
 	void Cleanup(Module *mod);
+
+	/** Does a BLOCKING DNS query and returns the first IP.
+	 * Only use this if you know what you are doing. Unless you specifically
+	 * need a blocking query use the DNSRequest system
+	 */
+	static DNSRecord BlockingQuery(const Anope::string &mask, QueryType qt);
 };
 
 /** A DNS timeout, one is made for every DNS request to detect timeouts

src/dns.cpp

@@ -608,3 +608,36 @@ void DNSRequestTimeout::Tick(time_t)
 	delete this->request;
 }
 
+DNSRecord DNSManager::BlockingQuery(const Anope::string &mask, QueryType qt)
+{
+	DNSRecord result(mask);
+	addrinfo *addrresult, hints;
+
+	result.result = mask;
+	result.type = qt;
+
+	int type = AF_UNSPEC;
+	if (qt == DNS_QUERY_A)
+		type = AF_INET;
+	else if (qt == DNS_QUERY_AAAA)
+		type = AF_INET6;
+
+	memset(&hints, 0, sizeof(hints));
+	hints.ai_family = type;
+
+	if (getaddrinfo(mask.c_str(), NULL, &hints, &addrresult) == 0)
+	{
+		sockaddrs addr;
+		memcpy(&addr, addrresult->ai_addr, addrresult->ai_addrlen);
+		try
+		{
+			result.result = addr.addr();
+		}
+		catch (const SocketException &) { }
+
+		freeaddrinfo(addrresult);
+	}
+
+	return result;
+}
+

src/init.cpp

@@ -61,19 +61,16 @@ void introduce_user(const Anope::string &user)
 	{
 		User *u = it->second;
 
-		if (u->nick.equals_ci(user))
+		ircdproto->SendClientIntroduction(u, ircd->pseudoclient_mode);
+
+		BotInfo *bi = findbot(u->nick);
+		if (bi)
 		{
-			ircdproto->SendClientIntroduction(u, ircd->pseudoclient_mode);
+			XLine x(bi->nick, "Reserved for services");
+			ircdproto->SendSQLine(&x);
 
-			BotInfo *bi = findbot(u->nick);
-			if (bi)
-			{
-				XLine x(bi->nick, "Reserved for services");
-				ircdproto->SendSQLine(&x);
-
-				for (UChannelList::const_iterator cit = bi->chans.begin(), cit_end = bi->chans.end(); cit != cit_end; ++cit)
-					ircdproto->SendJoin(bi, *cit);
-			}
+			for (UChannelList::const_iterator cit = bi->chans.begin(), cit_end = bi->chans.end(); cit != cit_end; ++cit)
+				ircdproto->SendJoin(bi, *cit);
 		}
 	}
 

src/main.cpp

@@ -361,10 +361,12 @@ static bool Connect()
 			return true;
 		}
 
+		DNSRecord req = DNSManager::BlockingQuery(uplink_server->host, uplink_server->ipv6 ? DNS_QUERY_AAAA : DNS_QUERY_A);
+
 		try
 		{
 			new UplinkSocket(uplink_server->ipv6);
-			UplinkSock->Connect(uplink_server->host, uplink_server->port, Config->LocalHost);
+			UplinkSock->Connect(req.result, uplink_server->port, Config->LocalHost);
 		}
 		catch (const SocketException &ex)
 		{