1 /* Shared library add-on to ip666666tables for NFQ
3 * (C) 2005 by Harald Welte <laforge@netfilter.org>
5 * This program is distributed under the terms of GNU GPL v2, 1991
13 #include <ip6tables.h>
14 #include <linux/netfilter_ipv6/ip6_tables.h>
15 #include <linux/netfilter_ipv4/ipt_NFQUEUE.h>
17 static void init(struct ip6t_entry_target *t, unsigned int *nfcache)
21 static void help(void)
24 "NFQUEUE target options\n"
25 " --queue-num value Send packet to QUEUE number <value>.\n"
26 " Valid queue numbers are 0-65535\n"
30 static struct option opts[] = {
31 { "queue-num", 1, 0, 'F' },
36 parse_num(const char *s, struct ipt_NFQ_info *tinfo)
40 if (string_to_number(s, 0, 65535, &num) == -1)
41 exit_error(PARAMETER_PROBLEM,
42 "Invalid queue number `%s'\n", s);
44 tinfo->queuenum = num & 0xffff;
49 parse(int c, char **argv, int invert, unsigned int *flags,
50 const struct ip6t_entry *entry,
51 struct ip6t_entry_target **target)
53 struct ipt_NFQ_info *tinfo
54 = (struct ipt_NFQ_info *)(*target)->data;
59 exit_error(PARAMETER_PROBLEM, "NFQUEUE target: "
60 "Only use --queue-num ONCE!");
61 parse_num(optarg, tinfo);
71 final_check(unsigned int flags)
75 /* Prints out the targinfo. */
77 print(const struct ip6t_ip6 *ip,
78 const struct ip6t_entry_target *target,
81 const struct ipt_NFQ_info *tinfo =
82 (const struct ipt_NFQ_info *)target->data;
83 printf("NFQUEUE num %u", tinfo->queuenum);
86 /* Saves the union ip6t_targinfo in parsable form to stdout. */
88 save(const struct ip6t_ip6 *ip, const struct ip6t_entry_target *target)
90 const struct ipt_NFQ_info *tinfo =
91 (const struct ipt_NFQ_info *)target->data;
93 printf("--queue-num %u ", tinfo->queuenum);
96 static struct ip6tables_target nfqueue = {
99 .version = IPTABLES_VERSION,
100 .size = IP6T_ALIGN(sizeof(struct ipt_NFQ_info)),
101 .userspacesize = IP6T_ALIGN(sizeof(struct ipt_NFQ_info)),
105 .final_check = &final_check,
113 register_target6(&nfqueue);