1 /* $NetBSD: printdstl_live.c,v 1.1.1.2 2012/07/22 13:44:40 darrenr Exp $ */
2
3 /*
4 * Copyright (C) 2012 by Darren Reed.
5 *
6 * See the IPFILTER.LICENCE file for details on licencing.
7 */
8
9 #include <sys/ioctl.h>
10 #include "ipf.h"
11 #include "netinet/ipl.h"
12
13
14 /*
15 * Because the ipf_dstnode_t can vary in size because of the interface name,
16 * the size may be larger than just sizeof().
17 */
18 ippool_dst_t *
printdstl_live(d,fd,name,opts,fields)19 printdstl_live(d, fd, name, opts, fields)
20 ippool_dst_t *d;
21 int fd;
22 char *name;
23 int opts;
24 wordtab_t *fields;
25 {
26 ipf_dstnode_t *entry, *zero;
27 ipflookupiter_t iter;
28 int printed, last;
29 ipfobj_t obj;
30
31 if ((name != NULL) && strncmp(name, d->ipld_name, FR_GROUPLEN))
32 return d->ipld_next;
33
34 entry = calloc(1, sizeof(*entry) + 64);
35 if (entry == NULL)
36 return d->ipld_next;
37 zero = calloc(1, sizeof(*zero) + 64);
38 if (zero == NULL) {
39 free(entry);
40 return d->ipld_next;
41 }
42
43 if (fields == NULL)
44 printdstlistdata(d, opts);
45
46 if ((d->ipld_flags & IPHASH_DELETE) != 0)
47 PRINTF("# ");
48
49 if ((opts & OPT_DEBUG) == 0)
50 PRINTF("\t{");
51
52 obj.ipfo_rev = IPFILTER_VERSION;
53 obj.ipfo_type = IPFOBJ_LOOKUPITER;
54 obj.ipfo_ptr = &iter;
55 obj.ipfo_size = sizeof(iter);
56
57 iter.ili_data = entry;
58 iter.ili_type = IPLT_DSTLIST;
59 iter.ili_otype = IPFLOOKUPITER_NODE;
60 iter.ili_ival = IPFGENITER_LOOKUP;
61 iter.ili_unit = d->ipld_unit;
62 strncpy(iter.ili_name, d->ipld_name, FR_GROUPLEN);
63
64 last = 0;
65 printed = 0;
66
67 while (!last && (ioctl(fd, SIOCLOOKUPITER, &obj) == 0)) {
68 if (entry->ipfd_next == NULL)
69 last = 1;
70 if (bcmp((char *)zero, (char *)entry, sizeof(*zero)) == 0)
71 break;
72 (void) printdstlistnode(entry, bcopywrap, opts, fields);
73 printed++;
74 }
75
76 (void) ioctl(fd, SIOCIPFDELTOK, &iter.ili_key);
77 free(entry);
78 free(zero);
79
80 if (printed == 0)
81 putchar(';');
82
83 if ((opts & OPT_DEBUG) == 0)
84 PRINTF(" };\n");
85 return d->ipld_next;
86 }
87