mirror of
https://github.com/ChronosX88/netsukuku.git
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87 lines
2.9 KiB
C
87 lines
2.9 KiB
C
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/**************************************
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* AUTHOR: Federico Tomassini *
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* Copyright (C) Federico Tomassini *
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* Contact effetom@gmail.com *
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***********************************************
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******* BEGIN 3/2006 ********
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*************************************************************************
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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* This program is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* GNU General Public License for more details. *
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* *
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************************************************************************/
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#ifndef ANDNS_H
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#define ANDNS_H
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#include <stdio.h>
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#include <sys/socket.h>
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#include <netdb.h>
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#include "dnslib.h"
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#include "andns_lib.h"
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#include "inet.h"
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#define ANDNS_TIMEOUT 15
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#define MAXNSSERVERS 3
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#define DNS_REPLY_TIMEOUT 10 /* seconds */
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#define DNS_PORT 53
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#define DNS_PORT_STR "53"
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/* PREFIX TO QUERY THE INET REALM */
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#define INET_REALM_PREFIX ".INT"
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#define NTK_REALM_PREFIX ".NTK"
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#define PTR_INET_REALM_PREFIX "INT."
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#define PTR_NTK_REALM_PREFIX "NTK."
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#define REALM_PREFIX_LEN 4
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#define DNS_PROTO 0
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#define ANDNS_PROTO 1
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#define NK_DNS 0
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#define NK_NTK 1
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#define NK_INET 2
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#define GET_NK_BIT(msg) (*((msg+3))>>4)&0x03
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#define RCODE_NOERR 0
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#define RCODE_EINTRPRT 1
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#define RCODE_ESRVFAIL 2
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#define RCODE_ENSDMN 3
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#define RCODE_ENIMPL 4
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#define RCODE_ERFSD 5
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/* FUNCTIONS */
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int store_ns(char *ns);
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int collect_resolv_conf(char *resolve_conf);
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void reset_andns_ns(void);
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int andns_init(int restricted, char *resolv_conf,int family);
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void andns_close(void);
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int ns_general_send(char *msg,int msglen,char *answer,int anslen);
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void dpktacpy(dns_pkt *dst,dns_pkt *src,const char *prefix);
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dns_pkt* dpktcpy(dns_pkt *src,const char *prefix);
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char* rm_realm_prefix(char *from,char *dst,int type);
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dns_pkt* dpktcpy_rm_pref(dns_pkt *src);
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int andns_gethostbyname(char *hname, inet_prefix *ip);
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int andns_realm(dns_pkt_qst *dpq,int *prefixed);
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int is_prefixed(dns_pkt *dp);
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int dns_forward(dns_pkt *dp,char *msg,int msglen,char* answer);
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int inet_rslv(dns_pkt *dp,char *msg,int msglen,char *answer);
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int nk_rslv(andns_pkt *ap,char *msg,int msglen,char *answer);
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int qtype_a_to_d(andns_pkt *ap);
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int apqsttodpqst(andns_pkt *ap,dns_pkt **dpsrc);
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int dpanswtoapansw(dns_pkt *dp,andns_pkt *ap);
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int nk_forward(andns_pkt *ap,char *msg,int msglen,char *answer);
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char *andns_rslv(char *msg, int msglen,char *answer, int *answ_len);
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#endif /* ANDNS_H */
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