/*
 * Copyright (C) 1993-2005  by Darren Reed.
 *
 * See the IPFILTER.LICENCE file for details on licencing.
 *
 * Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
 * Use is subject to license terms.
 */

#include "ipf.h"

int gethost(name, hostp, use_inet6)
char *name;
i6addr_t *hostp;
int use_inet6;
{
        struct addrinfo hints, *ai;
        struct netent *n;
        int error;

        if (!strcmp(name, "test.host.dots")) {
                hostp->in4.s_addr = htonl(0xfedcba98);
                return 0;
        }

        if (!strcmp(name, "<thishost>"))
                name = thishost;

        bzero(&hints, sizeof (hints));
        if (use_inet6 == 0)
                hints.ai_family = AF_INET;
        else
                hints.ai_family = AF_INET6;

        error = getaddrinfo(name, NULL, &hints, &ai);

        if ((error == 0) && (ai != NULL) && (ai->ai_addr != NULL)) {
                switch (ai->ai_family)
                {
                        case AF_INET:
                                hostp->in4 = ((struct sockaddr_in *)
                                    ai->ai_addr)->sin_addr;
                                break;
                        case AF_INET6:
                                hostp->in6 = ((struct sockaddr_in6 *)
                                    ai->ai_addr)->sin6_addr;
                                break;
                        default:
                                break;
                }
                freeaddrinfo(ai);
                return 0;
        }

        if (ai != NULL)
                freeaddrinfo(ai);

        if (use_inet6 == 0) {
                n = getnetbyname(name);
                if (n != NULL) {
                        hostp->in4.s_addr = htonl(n->n_net);
                        return 0;
                }
        }
        return -1;
}