solanum-vs-hackint-and-char.../authd/dns.h

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/* authd/dns.h - header for authd DNS functions
* Copyright (c) 2016 William Pitcock <nenolod@dereferenced.org>
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice is present in all copies.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef _AUTHD_DNS_H
#define _AUTHD_DNS_H
#define DNS_REQ_IDLEN 10
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#include "stdinc.h"
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#include "res.h"
#include "reslib.h"
typedef enum
{
QUERY_INVALID = 0,
QUERY_A = '4',
QUERY_AAAA = '6',
QUERY_PTR_A = 'R',
QUERY_PTR_AAAA = 'S',
} query_type;
/* Similar to that in ircd */
typedef void (*DNSCB)(const char *res, bool status, query_type type, void *data);
struct dns_query
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{
struct DNSQuery query;
query_type type;
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struct rb_sockaddr_storage addr;
uint64_t id;
DNSCB callback;
void *data;
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};
extern struct dns_query *lookup_hostname(const char *ip, DNSCB callback, void *data);
extern struct dns_query *lookup_ip(const char *host, int aftype, DNSCB callback, void *data);
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extern void cancel_query(struct dns_query *query);
extern void handle_resolve_dns(int parc, char *parv[]);
extern void enumerate_nameservers(const char *rid, const char letter);
extern void reload_nameservers(const char letter);
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#endif