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/* packet-dns.h
* Definitions for packet disassembly structures and routines used both by
* DNS and NBNS.
*
* Wireshark - Network traffic analyzer
* By Gerald Combs <gerald@wireshark.org>
* Copyright 1998 Gerald Combs
*
* SPDX-License-Identifier: GPL-2.0-or-later
*/
#ifndef __PACKET_DNS_H__
#define __PACKET_DNS_H__
extern const value_string dns_classes[];
/*
* Expands DNS name from TVB into a byte string.
*
* Returns int: byte size of DNS data.
* Returns char *name: a dot (.) separated raw string of DNS domain name labels.
* This string is null terminated. Labels are copied directly from raw packet
* data without any validation for a string encoding. This is the callers responsibility.
* Return int name_len: byte length of "name".
*/
int get_dns_name(tvbuff_t *tvb, int offset, int max_len, int dns_data_offset,
const char **name, int* name_len);
#define MAX_DNAME_LEN 255 /* maximum domain name length */
#endif /* packet-dns.h */
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