root/sbin/ipf/libipf/load_dstlistnode.c
/*
 * Copyright (C) 2012 by Darren Reed.
 *
 * See the IPFILTER.LICENCE file for details on licencing.
 *
 * $Id: load_dstlistnode.c,v 1.1.2.5 2012/07/22 08:04:24 darren_r Exp $
 */

#include <fcntl.h>
#include <sys/ioctl.h>
#include "ipf.h"
#include "netinet/ip_lookup.h"
#include "netinet/ip_pool.h"


int
load_dstlistnode(int role, char *name, ipf_dstnode_t *node,
        ioctlfunc_t iocfunc)
{
        iplookupop_t op;
        frdest_t *dst;
        char *what;
        int err;

        if (pool_open() == -1)
                return (-1);

        dst = calloc(1, sizeof(*dst) + node->ipfd_dest.fd_name);
        if (dst == NULL)
                return (-1);

        op.iplo_unit = role;
        op.iplo_type = IPLT_DSTLIST;
        op.iplo_arg = 0;
        op.iplo_struct = dst;
        op.iplo_size = sizeof(*dst);
        if (node->ipfd_dest.fd_name >= 0)
                op.iplo_size += node->ipfd_dest.fd_name;
        (void) strncpy(op.iplo_name, name, sizeof(op.iplo_name));

        dst->fd_addr = node->ipfd_dest.fd_addr;
        dst->fd_type = node->ipfd_dest.fd_type;
        dst->fd_name = node->ipfd_dest.fd_name;
        if (node->ipfd_dest.fd_name >= 0)
                bcopy(node->ipfd_names, (char *)dst + sizeof(*dst),
                      node->ipfd_dest.fd_name);

        if ((opts & OPT_REMOVE) == 0) {
                what = "add";
                err = pool_ioctl(iocfunc, SIOCLOOKUPADDNODE, &op);
        } else {
                what = "delete";
                err = pool_ioctl(iocfunc, SIOCLOOKUPDELNODE, &op);
        }
        free(dst);

        if (err != 0) {
                if ((opts & OPT_DONOTHING) == 0) {
                        char msg[80];

                        (void) snprintf(msg, sizeof(msg), "%s lookup node", what);
                        return (ipf_perror_fd(pool_fd(), iocfunc, msg));
                }
        }

        return (0);
}