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