| /* Shared library add-on to iptables to add NOTRACK target support. */ |
| #include <stdio.h> |
| #include <string.h> |
| #include <stdlib.h> |
| #include <getopt.h> |
| |
| #include <xtables.h> |
| #include <linux/netfilter/x_tables.h> |
| |
| /* Function which prints out usage message. */ |
| static void |
| help(void) |
| { |
| printf( |
| "NOTRACK target v%s takes no options\n", |
| IPTABLES_VERSION); |
| } |
| |
| /* Initialize the target. */ |
| static void |
| init(struct xt_entry_target *t) |
| { |
| } |
| |
| /* Function which parses command options; returns true if it |
| ate an option */ |
| static int |
| parse(int c, char **argv, int invert, unsigned int *flags, |
| const void *entry, |
| struct xt_entry_target **target) |
| { |
| return 0; |
| } |
| |
| static void |
| final_check(unsigned int flags) |
| { |
| } |
| |
| static |
| struct xtables_target notrack = |
| { |
| .family = AF_INET, |
| .name = "NOTRACK", |
| .version = IPTABLES_VERSION, |
| .size = XT_ALIGN(0), |
| .userspacesize = XT_ALIGN(0), |
| .help = &help, |
| .init = &init, |
| .parse = &parse, |
| .final_check = &final_check, |
| }; |
| |
| static |
| struct xtables_target notrack6 = |
| { |
| .family = AF_INET6, |
| .name = "NOTRACK", |
| .version = IPTABLES_VERSION, |
| .size = XT_ALIGN(0), |
| .userspacesize = XT_ALIGN(0), |
| .help = &help, |
| .init = &init, |
| .parse = &parse, |
| .final_check = &final_check, |
| }; |
| |
| void _init(void) |
| { |
| xtables_register_target(¬rack); |
| xtables_register_target(¬rack6); |
| } |