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/*
* Part of DNS zone file validator `validns`.
*
* Copyright 2011-2014 Anton Berezin <tobez@tobez.org>
* Modified BSD license.
* (See LICENSE file in the distribution.)
*
*/
#include <sys/types.h>
#include <stdio.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include "common.h"
#include "textparse.h"
#include "mempool.h"
#include "carp.h"
#include "rr.h"
static struct rr *l32_parse(char *name, long ttl, int type, char *s)
{
struct rr_l32 *rr = getmem(sizeof(*rr));
struct in_addr ipv4_like;
int preference;
rr->preference = preference = extract_integer(&s, "L32 preference", NULL);
if (preference < 0)
return NULL;
if (extract_ipv4(&s, "Locator32", &ipv4_like) <= 0)
return NULL;
rr->locator32 = ipv4_like.s_addr;
if (*s) {
return bitch("garbage after valid L32 data");
}
return store_record(type, name, ttl, rr);
}
static char* l32_human(struct rr *rrv)
{
RRCAST(l32);
char s[1024];
snprintf(s, 1024, "%d %d.%d.%d.%d",
rr->preference,
(rr->locator32 >> 24) & 0xff,
(rr->locator32 >> 16) & 0xff,
(rr->locator32 >> 8) & 0xff,
(rr->locator32 >> 0) & 0xff);
return quickstrdup_temp(s);
}
static struct binary_data l32_wirerdata(struct rr *rrv)
{
RRCAST(l32);
return compose_binary_data("24", 1, rr->preference, rr->locator32);
}
struct rr_methods l32_methods = { l32_parse, l32_human, l32_wirerdata, NULL, NULL };
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