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/*
* ProFTPD - mod_proxy DNS API
* Copyright (c) 2020 TJ Saunders
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* 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, Suite 500, Boston, MA 02110-1335, USA.
*
* As a special exemption, TJ Saunders and other respective copyright holders
* give permission to link this program with OpenSSL, and distribute the
* resulting executable, without including the source code for OpenSSL in the
* source distribution.
*/
#ifndef MOD_PROXY_DNS_H
#define MOD_PROXY_DNS_H
#include "mod_proxy.h"
typedef enum {
PROXY_DNS_UNKNOWN,
PROXY_DNS_A,
PROXY_DNS_AAAA,
PROXY_DNS_SRV,
PROXY_DNS_TXT
} proxy_dns_type_e;
/* Resolves a given `name` to a list of textual response lines, based on the
* given DNS record type.
*
* For A records, the responses will be IPv4 addresses.
* For AAAA records, the responses will be IPv6 addresses.
* For SRV records, the responses will be the returned address/ports, in
* priority order.
* For TXT records, the responses will be the returned textual lines.
*
* If a `ttl` pointer is provided, the shortest TTL on retrieved records
* retrieved is returned.
*/
int proxy_dns_resolve(pool *p, const char *name, proxy_dns_type_e dns_type,
array_header **resp, uint32_t *ttl);
#endif /* MOD_PROXY_DNS_H */
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