ptr.c

/*
 * 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 *ptr_parse(char *name, long ttl, int type, char *s)
{
    struct rr_ptr *rr = getmem(sizeof(*rr));

    rr->ptrdname = extract_name(&s, "name server domain name", 0);
    if (!rr->ptrdname)
        return NULL;
    if (*s) {
        return bitch("garbage after valid PTR data");
    }

    return store_record(type, name, ttl, rr);
}

static char* ptr_human(struct rr *rrv)
{
    RRCAST(ptr);

    return rr->ptrdname;
}

static struct binary_data ptr_wirerdata(struct rr *rrv)
{
    RRCAST(ptr);
    return name2wire_name(rr->ptrdname);
}

struct rr_methods ptr_methods = { ptr_parse, ptr_human, ptr_wirerdata, NULL, NULL };