Fix AAAA DNS record type in log messages

Was printing "PTR" instead of "AAAA" in some instances.

dnsdebug.c

@@ -85,6 +85,12 @@ desc_lookup(const struct desc *desc, uint16_t value)
     return descbuf;
 }
 
+const char *
+dns_type_str(uint16_t type)
+{
+    return desc_lookup(rrtype_desc, type);
+}
+
 void
 dumphex(const void *buf, size_t len)
 {

dnsdebug.h

@@ -7,6 +7,8 @@ void dumphex(const void *buf, size_t len);
 void dumprr(const struct dns_rr *rr, const char *name);
 /* Prints content of an DNS message (advances message pointer) */
 void dumpmsg(struct dns_msg *msg);
+/* Returns a human-readable DNS record type string. */
+const char *dns_type_str(uint16_t type);
 
 extern int dumpdebug;
 

dnsupdate.c

@@ -1426,10 +1426,8 @@ main(int argc, char **argv)
 	}
 
 	if (verbose > 1)
-	    fprintf(stderr, "starting attempt to register %s %s\n", 
-		    utype == DNS_TYPE_A ? "A" :
-		    utype == DNS_TYPE_AAAA ? "AAAA" :
-		    "PTR", name);
+	    fprintf(stderr, "starting attempt to register %s %s\n",
+		    dns_type_str(utype), name);
 
 	/*
 	 * Step 2: Figure out which nameserver to update against
@@ -1555,7 +1553,7 @@ main(int argc, char **argv)
 		    fprintf(stderr, "attempting %s update %s %s\n", 
 			    secure ? "secure" : "unsecure",
 			    name,
-			    utype == DNS_TYPE_A ? "A" : "PTR");
+			    dns_type_str(utype));
 
 		if (secure) {
 		    ret = gss_update(vas_ctx, local_id, s, server, name, 
@@ -1576,7 +1574,7 @@ main(int argc, char **argv)
 			 security_level == SECURITY_ONLY_UNSECURE || secure))
 		    fprintf(stderr, "%s %s update %s: %s\n", server,
 			    secure ? "secure" : "unsecure",
-			    utype == DNS_TYPE_A ? "A" : "PTR",
+			    dns_type_str(utype),
 			    dns_rcode_name(ret));
 	    }
 	    dnstcp_close(&s);
@@ -1588,7 +1586,7 @@ main(int argc, char **argv)
 	if (verbose)
 	    fprintf(stderr, "update of %s %s %s\n",
 		    name, 
-		    utype == DNS_TYPE_A ? "A" : "PTR",
+		    dns_type_str(utype),
 		    (ret == 0) ? "succeeded" : "failed");
 	list_free(ns_list);
     }