/*
 * Copyright (C) 2012 by Darren Reed.
 *
 * See the IPFILTER.LICENCE file for details on licencing.
 */

#include <sys/ioctl.h>
#include "ipf.h"
#include "netinet/ipl.h"


/*
 * Because the ipf_dstnode_t can vary in size because of the interface name,
 * the size may be larger than just sizeof().
 */
ippool_dst_t *
printdstl_live( ippool_dst_t *d, int fd, char *name, int opts,
        wordtab_t *fields)
{
        ipf_dstnode_t *entry, *zero;
        ipflookupiter_t iter;
        int printed, last;
        ipfobj_t obj;

        if ((name != NULL) && strncmp(name, d->ipld_name, FR_GROUPLEN))
                return (d->ipld_next);

        entry = calloc(1, sizeof(*entry) + 64);
        if (entry == NULL)
                return (d->ipld_next);
        zero = calloc(1, sizeof(*zero) + 64);
        if (zero == NULL) {
                free(entry);
                return (d->ipld_next);
        }

        if (fields == NULL)
                printdstlistdata(d, opts);

        if ((d->ipld_flags & IPHASH_DELETE) != 0)
                PRINTF("# ");

        if (opts & OPT_SAVEOUT)
                PRINTF("{\n");

        if ((opts & OPT_DEBUG) == 0)
                PRINTF("\t{");

        obj.ipfo_rev = IPFILTER_VERSION;
        obj.ipfo_type = IPFOBJ_LOOKUPITER;
        obj.ipfo_ptr = &iter;
        obj.ipfo_size = sizeof(iter);

        iter.ili_data = entry;
        iter.ili_type = IPLT_DSTLIST;
        iter.ili_otype = IPFLOOKUPITER_NODE;
        iter.ili_ival = IPFGENITER_LOOKUP;
        iter.ili_unit = d->ipld_unit;
        strncpy(iter.ili_name, d->ipld_name, FR_GROUPLEN);

        last = 0;
        printed = 0;

        while (!last && (ioctl(fd, SIOCLOOKUPITER, &obj) == 0)) {
                if (entry->ipfd_next == NULL)
                        last = 1;
                if (bcmp((char *)zero, (char *)entry, sizeof(*zero)) == 0)
                        break;
                (void) printdstlistnode(entry, bcopywrap, opts, fields);
                printed++;
        }

        (void) ioctl(fd, SIOCIPFDELTOK, &iter.ili_key);
        free(entry);
        free(zero);

        if (printed == 0)
                putchar(';');

        if ((opts & OPT_DEBUG) == 0)
                PRINTF(" };\n");
        return (d->ipld_next);
}