1/*
2 * Copyright (C) 2012 by Darren Reed.
3 *
4 * See the IPFILTER.LICENCE file for details on licencing.
5 */
6
7#include <sys/ioctl.h>
8#include "ipf.h"
9#include "netinet/ipl.h"
10
11
12/*
13 * Because the ipf_dstnode_t can vary in size because of the interface name,
14 * the size may be larger than just sizeof().
15 */
16ippool_dst_t *
17printdstl_live( ippool_dst_t *d, int fd, char *name, int opts,
18	wordtab_t *fields)
19{
20	ipf_dstnode_t *entry, *zero;
21	ipflookupiter_t iter;
22	int printed, last;
23	ipfobj_t obj;
24
25	if ((name != NULL) && strncmp(name, d->ipld_name, FR_GROUPLEN))
26		return (d->ipld_next);
27
28	entry = calloc(1, sizeof(*entry) + 64);
29	if (entry == NULL)
30		return (d->ipld_next);
31	zero = calloc(1, sizeof(*zero) + 64);
32	if (zero == NULL) {
33		free(entry);
34		return (d->ipld_next);
35	}
36
37	if (fields == NULL)
38		printdstlistdata(d, opts);
39
40	if ((d->ipld_flags & IPHASH_DELETE) != 0)
41		PRINTF("# ");
42
43	if ((opts & OPT_DEBUG) == 0)
44		PRINTF("\t{");
45
46	obj.ipfo_rev = IPFILTER_VERSION;
47	obj.ipfo_type = IPFOBJ_LOOKUPITER;
48	obj.ipfo_ptr = &iter;
49	obj.ipfo_size = sizeof(iter);
50
51	iter.ili_data = entry;
52	iter.ili_type = IPLT_DSTLIST;
53	iter.ili_otype = IPFLOOKUPITER_NODE;
54	iter.ili_ival = IPFGENITER_LOOKUP;
55	iter.ili_unit = d->ipld_unit;
56	strncpy(iter.ili_name, d->ipld_name, FR_GROUPLEN);
57
58	last = 0;
59	printed = 0;
60
61	while (!last && (ioctl(fd, SIOCLOOKUPITER, &obj) == 0)) {
62		if (entry->ipfd_next == NULL)
63			last = 1;
64		if (bcmp((char *)zero, (char *)entry, sizeof(*zero)) == 0)
65			break;
66		(void) printdstlistnode(entry, bcopywrap, opts, fields);
67		printed++;
68	}
69
70	(void) ioctl(fd, SIOCIPFDELTOK, &iter.ili_key);
71	free(entry);
72	free(zero);
73
74	if (printed == 0)
75		putchar(';');
76
77	if ((opts & OPT_DEBUG) == 0)
78		PRINTF(" };\n");
79	return (d->ipld_next);
80}
81