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