[patch] default responses zone for sheerdns

sheerdns-allow_return_defaults.patch (text/plain), 797 bytes, created by Krzysztof Taraszka on 2012-04-23 21:09:54 UTC

--- dir.c.orig	2005-02-10 21:14:29.000000000 +0100
+++ dir.c	2012-04-23 21:33:51.000000000 +0200
@@ -44,10 +44,17 @@
     if (qtype < 1 || qtype > 41)
 	return 1;
     s = (unsigned char *) try_reverse_in_arpa ((char *) s);
-    if (*s)
-	snprintf (buf, len, SHEERDNS_DIR "/%s/%s/%s", hex_hash (s), s, qtype_name[qtype]);
-    else
+    char str[1024];
+    int fd = -1;
+    sprintf(str, "%s/%s/%s/%s", SHEERDNS_DIR, hex_hash (s), s, qtype_name[qtype]);
+    if (*s) {
+	if ( (fd = open(str, O_RDONLY)) != -1 )
+		snprintf (buf, len, SHEERDNS_DIR "/%s/%s/%s", hex_hash (s), s, qtype_name[qtype]);
+  	else
+		snprintf (buf, len, SHEERDNS_DIR "/default/%s", qtype_name[qtype]);
+     } else {
 	snprintf (buf, len, SHEERDNS_DIR "/%s", qtype_name[qtype]);
+    };
     free (s);
     return 0; }