getdns/src/convert.c

/**
 *
 * /brief getdns core 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 <getdns/getdns.h>
#include <getdns/getdns_error.h>
#include <stdio.h>
#include <arpa/inet.h>
#include <util-internal.h>

/* stuff to make it compile pedantically */
#define UNUSED_PARAM(x) ((void)(x))

char *
getdns_convert_dns_name_to_fqdn(
  char  *name_from_dns_response
)
{ UNUSED_PARAM(name_from_dns_response); return NULL; }

char *
getdns_convert_fqdn_to_dns_name(
  char  *fqdn_as_string
)
{ UNUSED_PARAM(fqdn_as_string); return NULL; }

char *
getdns_convert_ulabel_to_alabel(
	char  *ulabel
)
{ UNUSED_PARAM(ulabel); return NULL; }

char *
getdns_convert_alabel_to_ulabel(
	char  *alabel
)
{ UNUSED_PARAM(alabel); return NULL; }

char *
getdns_display_ip_address(
  struct getdns_bindata    *bindata_of_ipv4_or_ipv6_address
)
{
    char buff[256];
    if (!bindata_of_ipv4_or_ipv6_address ||
        bindata_of_ipv4_or_ipv6_address->size == 0 ||
        !bindata_of_ipv4_or_ipv6_address->data) {
        return NULL;
    }
    if (bindata_of_ipv4_or_ipv6_address->size == 4) {
        const char* ipStr = inet_ntop(AF_INET,
                                      bindata_of_ipv4_or_ipv6_address->data,
                                      buff,
                                      256);
        if (ipStr) {
            return strdup(ipStr);
        }
    } else if (bindata_of_ipv4_or_ipv6_address->size == 16) {
        const char* ipStr = inet_ntop(AF_INET6,
                                      bindata_of_ipv4_or_ipv6_address->data,
                                      buff,
                                      256);
        if (ipStr) {
            return strdup(ipStr);
        }
    }
    return NULL;
}

getdns_return_t
getdns_strerror(getdns_return_t err, char *buf, size_t buflen)
{
    getdns_return_t retval = GETDNS_RETURN_GOOD;

    const char* err_str = getdns_get_errorstr_by_id(err);
    if (!err_str) {
        return GETDNS_RETURN_GENERIC_ERROR;
    }

    snprintf(buf, buflen, "%s", err_str);

    return retval;
} /* getdns_strerror */

/* getdns_core_only.c */