mirror of https://github.com/getdnsapi/getdns.git
80 lines
3.0 KiB
C
80 lines
3.0 KiB
C
|
/**
|
||
|
|
*
|
||
|
|
* /brief getdns contect management functions
|
||
|
|
*
|
||
|
|
* This is the meat of the API
|
||
|
|
* Originally taken from the getdns API description pseudo implementation.
|
||
|
|
*
|
||
|
|
*/
|
||
|
|
/* The MIT License (MIT)
|
||
|
|
* Copyright (c) 2013 Verisign, Inc.
|
||
|
|
*
|
||
|
|
* 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 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.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#include "util-internal.h"
|
||
|
|
|
||
|
|
getdns_return_t dict_to_sockaddr(getdns_dict* ns, struct sockaddr_storage* output) {
|
||
|
|
struct getdns_bindata *address_type = NULL;
|
||
|
|
struct getdns_bindata *address_data = NULL;
|
||
|
|
uint16_t port = htons(53);
|
||
|
|
memset(output, 0, sizeof(struct sockaddr_storage));
|
||
|
|
output->ss_family = AF_UNSPEC;
|
||
|
|
|
||
|
|
getdns_dict_get_bindata(ns, GETDNS_STR_ADDRESS_TYPE, &address_type);
|
||
|
|
getdns_dict_get_bindata(ns, GETDNS_STR_ADDRESS_DATA, &address_data);
|
||
|
|
if (!address_type || !address_data) {
|
||
|
|
return GETDNS_RETURN_GENERIC_ERROR;
|
||
|
|
}
|
||
|
|
if (strcmp((char*) address_type->data, GETDNS_STR_IPV4)) {
|
||
|
|
/* data is an in_addr_t */
|
||
|
|
struct sockaddr_in* addr = (struct sockaddr_in*) output;
|
||
|
|
addr->sin_family = AF_INET;
|
||
|
|
addr->sin_port = port;
|
||
|
|
memcpy(&(addr->sin_addr), address_data->data, address_data->size);
|
||
|
|
} else {
|
||
|
|
/* data is a v6 addr in host order */
|
||
|
|
struct sockaddr_in6* addr = (struct sockaddr_in6*) output;
|
||
|
|
addr->sin6_family = AF_INET6;
|
||
|
|
addr->sin6_port = port;
|
||
|
|
memcpy(&(addr->sin6_addr), address_data->data, address_data->size);
|
||
|
|
}
|
||
|
|
return GETDNS_RETURN_GOOD;
|
||
|
|
}
|
||
|
|
|
||
|
|
/* TODO: flags */
|
||
|
|
ldns_pkt *create_new_pkt(getdns_context_t context,
|
||
|
|
const char* name,
|
||
|
|
uint16_t request_type,
|
||
|
|
struct getdns_dict* extensions) {
|
||
|
|
ldns_pkt *pkt = NULL;
|
||
|
|
ldns_rr_type type = (ldns_rr_type) request_type;
|
||
|
|
ldns_pkt_query_new_frm_str(&pkt, name,
|
||
|
|
type,
|
||
|
|
LDNS_RR_CLASS_IN, 0);
|
||
|
|
if (pkt) {
|
||
|
|
/* id */
|
||
|
|
ldns_pkt_set_id(pkt, ldns_get_random());
|
||
|
|
}
|
||
|
|
return pkt;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
|