/*

  *  Copyright (C) 2013-2019 Cisco Systems, Inc. and/or its affiliates. All rights reserved.
  *  Copyright (C) 2009-2013 Sourcefire, Inc.

  *
  *  Authors: aCaB <acab@clamav.net>
  *
  *  This program is free software; you can redistribute it and/or modify
  *  it under the terms of the GNU General Public License version 2 as
  *  published by the Free Software Foundation.
  *
  *  This program is distributed in the hope that it will be useful,
  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  *  GNU General Public License for more details.
  *
  *  You should have received a copy of the GNU General Public License
  *  along with this program; if not, write to the Free Software
  *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
  *  MA 02110-1301, USA.
  */
 
 #ifndef __RESOLV_H
 #define __RESOLV_H
 
 #if HAVE_CONFIG_H
 #include "clamav-config.h"
 #endif
 
 #include <Windns.h>
 #include "clamav-types.h"
 
 #define C_IN 1
 

 #define T_A DNS_TYPE_A
 #define T_NS DNS_TYPE_NS
 #define T_MD DNS_TYPE_MD
 #define T_MF DNS_TYPE_MF
 #define T_CNAME DNS_TYPE_CNAME
 #define T_SOA DNS_TYPE_SOA 0
 #define T_MB DNS_TYPE_MB
 #define T_MG DNS_TYPE_MG
 #define T_MR DNS_TYPE_MR
 #define T_NULL DNS_TYPE_NULL
 #define T_WKS DNS_TYPE_WKS
 #define T_PTR DNS_TYPE_PTR
 #define T_HINFO DNS_TYPE_HINFO
 #define T_MINFO DNS_TYPE_MINFO
 #define T_MX DNS_TYPE_MX
 #define T_TXT DNS_TYPE_TEXT
 #define T_RP DNS_TYPE_RP
 #define T_AFSDB DNS_TYPE_AFSDB
 #define T_X25 DNS_TYPE_X25
 #define T_ISDN DNS_TYPE_ISDN
 #define T_RT DNS_TYPE_RT
 #define T_NSAP DNS_TYPE_NSAP
 #define T_NSAP_PTR DNS_TYPE_NSAPPTR
 #define T_SIG DNS_TYPE_SIG
 #define T_KEY DNS_TYPE_KEY
 #define T_PX DNS_TYPE_PX
 #define T_GPOS DNS_TYPE_GPOS
 #define T_AAAA DNS_TYPE_AAAA
 #define T_LOC DNS_TYPE_LOC
 #define T_NXT DNS_TYPE_NXT
 #define T_EID DNS_TYPE_EID
 #define T_NIMLOC DNS_TYPE_NIMLOC
 #define T_SRV DNS_TYPE_SRV
 #define T_ATMA DNS_TYPE_ATMA
 #define T_NAPTR DNS_TYPE_NAPTR
 #define T_KX DNS_TYPE_KX
 #define T_CERT DNS_TYPE_CERT
 #define T_A6 DNS_TYPE_A6
 #define T_DNAME DNS_TYPE_DNAME
 #define T_SINK DNS_TYPE_SINK
 #define T_OPT DNS_TYPE_OPT
 #define T_DS DNS_TYPE_DS
 #define T_RRSIG DNS_TYPE_RRSIG
 #define T_NSEC DNS_TYPE_NSEC
 #define T_DNSKEY DNS_TYPE_DNSKEY
 #define T_DHCID DNS_TYPE_DHCID
 #define T_UINFO DNS_TYPE_UINFO
 #define T_UID DNS_TYPE_UID
 #define T_GID DNS_TYPE_GID
 #define T_UNSPEC DNS_TYPE_UNSPEC
 #define T_ADDRS DNS_TYPE_ADDRS
 #define T_TKEY DNS_TYPE_TKEY
 #define T_TSIG DNS_TYPE_TSIG
 #define T_IXFR DNS_TYPE_IXFR
 #define T_AXFR DNS_TYPE_AXFR
 #define T_MAILB DNS_TYPE_MAILB
 #define T_MAILA DNS_TYPE_MAILA
 #define T_ALL DNS_TYPE_ALL
 #define T_ANY DNS_TYPE_ANY
 #define T_WINS DNS_TYPE_WINS
 #define T_WINSR DNS_TYPE_WINSR
 #define T_NBSTAT DNS_TYPE_NBSTAT

 
 #ifndef DNS_QUERY_NO_HOSTS_FILE
 #define DNS_QUERY_NO_HOSTS_FILE 0
 #endif
 
 typedef struct {
 	unsigned short	id; /* fake stuff */
 } HEADER;
 
 #define INT16SZ 2
 
 #define GETSHORT(var, ptr) do { \
     var = ((uint16_t)(*(uint8_t *)ptr++)) << 8; \
     var |= *(uint8_t *)ptr++; \
     } while (0)
 
 #define GETLONG(var, ptr) do { \
     var = ((uint32_t)(*(uint8_t *)ptr++)) << 24; \
     var = ((uint32_t)(*(uint8_t *)ptr++)) << 16; \
     var = ((uint32_t)(*(uint8_t *)ptr++)) << 8; \
     var |= *(uint8_t *)ptr++; \
     } while (0)
 
 int res_init(void);
 int res_query(const char *dname, int class, int type, unsigned char *answer, int anslen);
 int dn_expand(unsigned char *msg, unsigned char *eomorig, unsigned char *comp_dn, char *exp_dn, int length);
 
 #endif