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/* MIT License
*
* Copyright (c) 2023 Brad House
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice (including the next
* paragraph) shall be included in all copies or substantial portions of the
* Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*
* SPDX-License-Identifier: MIT
*/
#include "ares_setup.h"
#include "ares.h"
#include "ares_private.h"
static int ares_create_query_int(const char *name, int dnsclass, int type,
unsigned short id, int rd,
unsigned char **bufp, int *buflenp,
int max_udp_size)
{
ares_status_t status;
ares_dns_record_t *dnsrec = NULL;
size_t len;
ares_dns_flags_t rd_flag = rd ? ARES_FLAG_RD : 0;
if (name == NULL || bufp == NULL || buflenp == NULL) {
status = ARES_EFORMERR;
goto done;
}
*bufp = NULL;
*buflenp = 0;
status = ares_dns_record_create_query(
&dnsrec, name, (ares_dns_class_t)dnsclass, (ares_dns_rec_type_t)type, id,
rd_flag, (size_t)max_udp_size);
if (status != ARES_SUCCESS) {
goto done;
}
status = ares_dns_write(dnsrec, bufp, &len);
if (status != ARES_SUCCESS) {
goto done;
}
*buflenp = (int)len;
done:
ares_dns_record_destroy(dnsrec);
return (int)status;
}
int ares_create_query(const char *name, int dnsclass, int type,
unsigned short id, int rd, unsigned char **bufp,
int *buflenp, int max_udp_size)
{
return ares_create_query_int(name, dnsclass, type, id, rd, bufp, buflenp,
max_udp_size);
}
int ares_mkquery(const char *name, int dnsclass, int type, unsigned short id,
int rd, unsigned char **buf, int *buflen)
{
return ares_create_query_int(name, dnsclass, type, id, rd, buf, buflen, 0);
}
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