lib/common/printhash_live.c

/*
 * Copyright (C) 2002 by Darren Reed.
 *
 * See the IPFILTER.LICENCE file for details on licencing.
 *
 * Copyright 2007 Sun Microsystems, Inc.  All rights reserved.
 * Use is subject to license terms.
 */

#pragma ident   "%Z%%M% %I% %E% SMI"

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

#define PRINTF  (void)printf
#define FPRINTF (void)fprintf


iphtable_t *printhash_live(hp, fd, name, opts)
iphtable_t *hp;
int fd;
char *name;
int opts;
{
    iphtent_t entry, *top, *node;
    ipflookupiter_t iter;
    int i, printed, last;
    ipfobj_t obj;

    if ((name != NULL) && strncmp(name, hp->iph_name, FR_GROUPLEN))
        return hp->iph_next;

    printhashdata(hp, opts);

    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_HASH;
    iter.ili_otype = IPFLOOKUPITER_NODE;
    iter.ili_ival = IPFGENITER_LOOKUP;
    iter.ili_unit = hp->iph_unit;
    strncpy(iter.ili_name, hp->iph_name, FR_GROUPLEN);

    last = 0;
    top = NULL;

    while (!last && (ioctl(fd, SIOCLOOKUPITER, &obj) == 0)) {
        if (entry.ipe_snext == NULL)
            last = 1;
        entry.ipe_snext = top;
        top = malloc(sizeof(*top));
        if (top == NULL)
            break;
        bcopy(&entry, top, sizeof(entry));
    }

    while (top != NULL) {
        node = top;
        (void) printhashnode(hp, node, bcopywrap, opts);
        top = node->ipe_snext;
        free(node);
        printed++;

                if ((opts & OPT_DEBUG) == 0)
                        putchar(';');
    }

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

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