mirror of https://github.com/getdnsapi/getdns.git
86 lines
2.9 KiB
C
86 lines
2.9 KiB
C
/**
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*
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* /brief getdns core functions
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*
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* This is the meat of the API
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* Originally taken from the getdns API description pseudo implementation.
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*
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*/
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/* The MIT License (MIT)
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* Copyright (c) 2013 Verisign, Inc.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#include <getdns/getdns.h>
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#include "context.h"
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#include "general.h"
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#include "util-internal.h"
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#include "types-internal.h"
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#include <string.h>
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/* stuff to make it compile pedantically */
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#define UNUSED_PARAM(x) ((void)(x))
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/*
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* getdns_hostname
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*
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*/
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getdns_return_t
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getdns_hostname(struct getdns_context *context,
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struct getdns_dict * address,
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struct getdns_dict * extensions,
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void *userarg,
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getdns_transaction_t * transaction_id, getdns_callback_t callback)
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{
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struct getdns_bindata *address_data;
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struct getdns_bindata *address_type;
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uint16_t req_type;
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char *name;
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getdns_return_t retval;
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if ((retval =
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getdns_dict_get_bindata(address, "address_data",
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&address_data)) != GETDNS_RETURN_GOOD)
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return retval;
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if ((retval =
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getdns_dict_get_bindata(address, "address_type",
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&address_type)) != GETDNS_RETURN_GOOD)
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return retval;
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if ((strncmp(GETDNS_STR_IPV4, (char *) address_type->data,
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( strlen(GETDNS_STR_IPV4) < address_type->size
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? strlen(GETDNS_STR_IPV4) : address_type->size )) == 0
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&& address_data->size == 4)
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|| (strncmp(GETDNS_STR_IPV6, (char *) address_type->data,
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( strlen(GETDNS_STR_IPV6) < address_type->size
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? strlen(GETDNS_STR_IPV6) : address_type->size )) == 0
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&& address_data->size == 16))
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req_type = GETDNS_RRTYPE_PTR;
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else
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return GETDNS_RETURN_WRONG_TYPE_REQUESTED;
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if ((name = reverse_address(address_data)) == NULL)
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return GETDNS_RETURN_GENERIC_ERROR;
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retval = getdns_general(context, name, req_type, extensions,
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userarg, transaction_id, callback);
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free(name);
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return retval;
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} /* getdns_hostname */
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/* getdns_hostname.c */
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