1 /* Shared library add-on to iptables for standard target support. */
2 #include <stdio.h>
3 #include <netdb.h>
4 #include <string.h>
5 #include <stdlib.h>
6 #include <limits.h>
7 #include <getopt.h>
8 #include <iptables.h>
9
10 /* Function which prints out usage message. */
11 static void
help(void)12 help(void)
13 {
14 printf(
15 "Standard v%s options:\n"
16 "(If target is DROP, ACCEPT, RETURN or nothing)\n", IPTABLES_VERSION);
17 }
18
19 static struct option opts[] = {
20 {0}
21 };
22
23 /* Initialize the target. */
24 static void
init(struct ipt_entry_target * t,unsigned int * nfcache)25 init(struct ipt_entry_target *t, unsigned int *nfcache)
26 {
27 }
28
29 /* Function which parses command options; returns true if it
30 ate an option */
31 static int
parse(int c,char ** argv,int invert,unsigned int * flags,const struct ipt_entry * entry,struct ipt_entry_target ** target)32 parse(int c, char **argv, int invert, unsigned int *flags,
33 const struct ipt_entry *entry,
34 struct ipt_entry_target **target)
35 {
36 return 0;
37 }
38
39 /* Final check; don't care. */
final_check(unsigned int flags)40 static void final_check(unsigned int flags)
41 {
42 }
43
44 /* Saves the targinfo in parsable form to stdout. */
45 static void
save(const struct ipt_ip * ip,const struct ipt_entry_target * target)46 save(const struct ipt_ip *ip, const struct ipt_entry_target *target)
47 {
48 }
49
50 static
51 struct iptables_target standard = {
52 .next = NULL,
53 .name = "standard",
54 .version = IPTABLES_VERSION,
55 .size = IPT_ALIGN(sizeof(int)),
56 .userspacesize = IPT_ALIGN(sizeof(int)),
57 .help = &help,
58 .init = &init,
59 .parse = &parse,
60 .final_check = &final_check,
61 .print = NULL,
62 .save = &save,
63 .extra_opts = opts
64 };
65
ipt_standard_init(void)66 void ipt_standard_init(void)
67 {
68 register_target(&standard);
69 }
70