Add a length sanity check - just in case there's an implementation out there

that parses AF_UNIX addresses in getaddrinfo() or something.


git-svn-id: svn://svn.code.sf.net/p/bitchx/code/trunk@189 13b04d17-f746-0410-82c6-800466cd88b0

source/network.c

@@ -639,7 +639,8 @@ int	lame_resolv (const char *hostname, struct sockaddr_foobar *buffer)
 {
 #ifdef IPV6
 	struct addrinfo *res;
-	if (getaddrinfo(hostname, NULL, NULL, &res) || !res)
+	if (getaddrinfo(hostname, NULL, NULL, &res) || !res || 
+		res->ai_addrlen > sizeof *buffer)
 		return -1;
 
 	memmove(buffer, res->ai_addr, res->ai_addrlen);