Backport fixes for 2.65 release.

CHANGELOG

@@ -1,3 +1,14 @@
+version 2.65
+	    Fix regression which broke forwarding of queries sent via
+	    TCP which are not for A and AAAA and which were directed to
+	    non-default servers. Thanks to Niax for the bug report.
+
+	    Fix failure to build with DHCP support excluded. Thanks to 
+	    Gustavo Zacarias for the patch.
+	    
+	    Fix nasty regression in 2.64 which completely broke cacheing.
+
+
 version 2.64
             Handle DHCP FQDN options with all flag bits zero and
             --dhcp-client-update set. Thanks to Bernd Krumbroeck for

src/cache.c

@@ -371,7 +371,7 @@ struct crec *cache_insert(char *name, struct all_addr *addr,
   int freed_all = flags & F_REVERSE;
   int free_avail = 0;
 
-  if(daemon->max_cache_ttl < ttl)
+  if (daemon->max_cache_ttl != 0 && daemon->max_cache_ttl < ttl)
     ttl = daemon->max_cache_ttl;
 
   /* Don't log keys */

src/forward.c

@@ -834,7 +834,8 @@ unsigned char *tcp_request(int confd, time_t now,
   int norebind = 0;
   int checking_disabled;
   size_t m;
-  unsigned short qtype, gotname;
+  unsigned short qtype;
+  unsigned int gotname;
   unsigned char c1, c2;
   /* Max TCP packet + slop */
   unsigned char *packet = whine_malloc(65536 + MAXDNAME + RRFIXEDSZ);

src/option.c

@@ -623,6 +623,8 @@ static char *set_prefix(char *arg)
    return arg;
 }
 
+#endif
+
 char *parse_server(char *arg, union mysockaddr *addr, union mysockaddr *source_addr, char *interface, int *flags)
 {
   int source_port = 0, serv_port = NAMESERVER_PORT;
@@ -710,6 +712,7 @@ char *parse_server(char *arg, union mysockaddr *addr, union mysockaddr *source_a
   return NULL;
 }
 
+#ifdef HAVE_DHCP
 /* This is too insanely large to keep in-line in the switch */
 static int parse_dhcp_opt(char *errstr, char *arg, int flags)
 {