printhash_live.c revision 170263 
1/*
2 * Copyright (C) 2002 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#define	PRINTF	(void)printf
12#define	FPRINTF	(void)fprintf
13
14
15iphtable_t *printhash_live(hp, fd, name, opts)
16iphtable_t *hp;
17int fd;
18char *name;
19int opts;
20{
21	iphtent_t entry, *top, *node;
22	ipflookupiter_t iter;
23	int printed, last;
24	ipfobj_t obj;
25
26	if ((name != NULL) && strncmp(name, hp->iph_name, FR_GROUPLEN))
27		return hp->iph_next;
28
29	printhashdata(hp, opts);
30
31	if ((hp->iph_flags & IPHASH_DELETE) != 0)
32		PRINTF("# ");
33
34	if ((opts & OPT_DEBUG) == 0)
35		PRINTF("\t{");
36
37	obj.ipfo_rev = IPFILTER_VERSION;
38	obj.ipfo_type = IPFOBJ_LOOKUPITER;
39	obj.ipfo_ptr = &iter;
40	obj.ipfo_size = sizeof(iter);
41
42	iter.ili_data = &entry;
43	iter.ili_type = IPLT_HASH;
44	iter.ili_otype = IPFLOOKUPITER_NODE;
45	iter.ili_ival = IPFGENITER_LOOKUP;
46	iter.ili_unit = hp->iph_unit;
47	strncpy(iter.ili_name, hp->iph_name, FR_GROUPLEN);
48
49	last = 0;
50	top = NULL;
51	printed = 0;
52
53	while (!last && (ioctl(fd, SIOCLOOKUPITER, &obj) == 0)) {
54		if (entry.ipe_next == NULL)
55			last = 1;
56		entry.ipe_next = top;
57		top = malloc(sizeof(*top));
58		if (top == NULL)
59			break;
60		bcopy(&entry, top, sizeof(entry));
61	}
62
63	while (top != NULL) {
64		node = top;
65		(void) printhashnode(hp, node, bcopywrap, opts);
66		top = node->ipe_next;
67		free(node);
68		printed++;
69	}
70
71	if (printed == 0)
72		putchar(';');
73
74	if ((opts & OPT_DEBUG) == 0)
75		PRINTF(" };\n");
76	return hp->iph_next;
77}
78