djbdns/sme7/dnscache-strict-forwardonly.patch

--- djbdns-1.05.original/log.h  2001-02-11 21:11:45.000000000 +0000
+++ djbdns-1.05/log.h   2003-07-29 17:12:44.000000000 +0100
@@ -23,6 +23,7 @@
 extern void log_nodata(const char *,const char *,const char *,unsigned int);
 extern void log_servfail(const char *);
 extern void log_lame(const char *,const char *,const char *);
+extern void log_ignore_referral(const char *,const char *,const char *);
 
 extern void log_rr(const char *,const char *,const char *,const char *,unsigned int,unsigned int);
 extern void log_rrns(const char *,const char *,const char *,unsigned int);
--- djbdns-1.05.original/log.c  2001-02-11 21:11:45.000000000 +0000
+++ djbdns-1.05/log.c   2003-07-29 17:12:33.000000000 +0100
@@ -196,6 +196,13 @@
   line();
 }
 
+void log_ignore_referral(const char server[4],const char * control, const char *referral)
+{
+  string("ignored referral "); ip(server); space();
+  name(control); space(); name(referral);
+  line();
+}
+
 void log_servfail(const char *dn)
 {
   const char *x = error_str(errno);
--- djbdns-1.05.original/query.c        2001-02-11 21:11:45.000000000 +0000
+++ djbdns-1.05/query.c 2003-07-29 17:13:13.000000000 +0100
@@ -781,6 +781,18 @@
 
 
   if (!dns_domain_suffix(d,referral)) goto DIE;
+
+  /* In strict "forwardonly" mode, we don't, as the manual states,
+  ** contact a chain of servers according to "NS" resource records.
+  ** We don't obey any referral responses, therefore.  Instead, we
+  ** eliminate the server from the list and try the next one.
+  */
+  if (flagforwardonly) {
+      log_ignore_referral(whichserver,control,referral);
+      byte_zero(whichserver,4);
+      goto HAVENS;
+  }
+
   control = d + dns_domain_suffixpos(d,referral);
   z->control[z->level] = control;
   byte_zero(z->servers[z->level],64);
1	bytegw	1.1	--- djbdns-1.05.original/log.h 2001-02-11 21:11:45.000000000 +0000
2			+++ djbdns-1.05/log.h 2003-07-29 17:12:44.000000000 +0100
3			@@ -23,6 +23,7 @@
4			extern void log_nodata(const char ,const char ,const char *,unsigned int);
5			extern void log_servfail(const char *);
6			extern void log_lame(const char ,const char ,const char *);
7			+extern void log_ignore_referral(const char ,const char ,const char *);
8
9			extern void log_rr(const char ,const char ,const char ,const char ,unsigned int,unsigned int);
10			extern void log_rrns(const char ,const char ,const char *,unsigned int);
11			--- djbdns-1.05.original/log.c 2001-02-11 21:11:45.000000000 +0000
12			+++ djbdns-1.05/log.c 2003-07-29 17:12:33.000000000 +0100
13			@@ -196,6 +196,13 @@
14			line();
15			}
16
17			+void log_ignore_referral(const char server[4],const char * control, const char *referral)
18			+{
19			+ string("ignored referral "); ip(server); space();
20			+ name(control); space(); name(referral);
21			+ line();
22			+}
23			+
24			void log_servfail(const char *dn)
25			{
26			const char *x = error_str(errno);
27			--- djbdns-1.05.original/query.c 2001-02-11 21:11:45.000000000 +0000
28			+++ djbdns-1.05/query.c 2003-07-29 17:13:13.000000000 +0100
29			@@ -781,6 +781,18 @@
30
31
32			if (!dns_domain_suffix(d,referral)) goto DIE;
33			+
34			+ /* In strict "forwardonly" mode, we don't, as the manual states,
35			+ ** contact a chain of servers according to "NS" resource records.
36			+ ** We don't obey any referral responses, therefore. Instead, we
37			+ ** eliminate the server from the list and try the next one.
38			+ */
39			+ if (flagforwardonly) {
40			+ log_ignore_referral(whichserver,control,referral);
41			+ byte_zero(whichserver,4);
42			+ goto HAVENS;
43			+ }
44			+
45			control = d + dns_domain_suffixpos(d,referral);
46			z->control[z->level] = control;
47			byte_zero(z->servers[z->level],64);