libipt_unclean.c revision 2d01dca3d4e918d0c7d66fab4620050a1c72bca2
1/* Shared library add-on to iptables for unclean. */ 2#include <stdio.h> 3#include <stdlib.h> 4#include <getopt.h> 5#include <iptables.h> 6 7/* Function which prints out usage message. */ 8static void 9help(void) 10{ 11 printf( 12"unclean v%s takes no options\n" 13"\n", NETFILTER_VERSION); 14} 15 16static struct option opts[] = { 17 {0} 18}; 19 20/* Initialize the match. */ 21static void 22init(struct ipt_entry_match *m, unsigned int *nfcache) 23{ 24 /* Can't cache this. */ 25 *nfcache |= NFC_UNKNOWN; 26} 27 28/* Function which parses command options; returns true if it 29 ate an option */ 30static int 31parse(int c, char **argv, int invert, unsigned int *flags, 32 const struct ipt_entry *entry, 33 unsigned int *nfcache, 34 struct ipt_entry_match **match) 35{ 36 return 0; 37} 38 39/* Final check; must have specified --mac. */ 40static void final_check(unsigned int flags) 41{ 42} 43 44struct iptables_match unclean 45= { NULL, 46 "unclean", 47 NETFILTER_VERSION, 48 IPT_ALIGN(0), 49 IPT_ALIGN(0), 50 &help, 51 &init, 52 &parse, 53 &final_check, 54 NULL, /* print */ 55 NULL, /* save */ 56 opts 57}; 58 59void _init(void) 60{ 61 register_match(&unclean); 62} 63