2 * Copyright (c) 2006-2014 Erik Ekman <yarrick@kryo.se>,
3 * 2006-2009 Bjorn Andersson <flex@kryo.se>
5 * Permission to use, copy, modify, and distribute this software for any
6 * purpose with or without fee is hereby granted, provided that the above
7 * copyright notice and this permission notice appear in all copies.
9 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
10 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
11 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
12 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
13 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
14 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
15 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
28 extern int dnsc_use_edns0;
30 int dns_encode(char *, size_t, struct query *, qr_t, char *, size_t);
31 int dns_encode_ns_response(char *buf, size_t buflen, struct query *q, char *topdomain);
32 int dns_encode_a_response(char *buf, size_t buflen, struct query *q);
33 unsigned short dns_get_id(char *packet, size_t packetlen);
34 int dns_decode(char *, size_t, struct query *, qr_t, char *, size_t);