Make DNS parser more forgiving, allowing for gaps in the domainname

rddata.

diff --git a/lib/rfc1035.c b/lib/rfc1035.c
index 8ff1e36208a7e104433db55c39ade68f12fb2bf0..b75dad74f2c81fe05fc8659143c2fd899fba3b84 100644 (file)
--- a/lib/rfc1035.c
+++ b/lib/rfc1035.c
@@ -1,6 +1,6 @@
 
 /*
- * $Id: rfc1035.c,v 1.39 2005/05/09 01:59:26 hno Exp $
+ * $Id: rfc1035.c,v 1.40 2005/05/09 02:09:16 hno Exp $
  *
  * Low level DNS protocol routines
  * AUTHOR: Duane Wessels
@@ -410,7 +410,7 @@ rfc1035RRUnpack(const char *buf, size_t sz, off_t * off, rfc1035_rr * RR)
        RR->rdlength = 0; /* Filled in by rfc1035NameUnpack */
        if (rfc1035NameUnpack(buf, sz, &rdata_off, &RR->rdlength, RR->rdata, RFC1035_MAXHOSTNAMESZ, 0))
            return 1;
-       if (rdata_off != ((*off) + rdlength)) {
+       if (rdata_off > ((*off) + rdlength)) {
            /*
             * This probably doesn't happen for valid packets, but
             * I want to make sure that NameUnpack doesn't go beyond