lib/common/gethost.c

	gethost.c revision ab25eeb551a4be927a4b6ae2cf8aff7ed17decb4
/*
 * Copyright (C) 1993-2005  by Darren Reed.
 * See the IPFILTER.LICENCE file for details on licencing.
 */

#include "ipf.h"

int gethost(name, hostp)
char *name;
u_32_t *hostp;
{
    struct hostent *h;
    struct netent *n;
    u_32_t addr;

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

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

    h = gethostbyname(name);
    if (h != NULL) {
        if ((h->h_addr != NULL) && (h->h_length == sizeof(addr))) {
            bcopy(h->h_addr, (char *)&addr, sizeof(addr));
            *hostp = addr;
            return 0;
        }
    }

    n = getnetbyname(name);
    if (n != NULL) {
        *hostp = (u_32_t)htonl(n->n_net & 0xffffffff);
        return 0;
    }
    return -1;
}