diff options
author | Yasuyuki KOZAKAI <yasuyuki@netfilter.org> | 2007-07-24 07:09:51 +0000 |
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committer | Yasuyuki KOZAKAI <yasuyuki@netfilter.org> | 2007-07-24 07:09:51 +0000 |
commit | ba2d891523121b651be54a4ce915bcee33d2ed38 (patch) | |
tree | 9e1b8ac8b816096f71277efdf1bdc5704b28e949 /extensions/libipt_mac.c | |
parent | fec77fed67feb55aba4c33ae2367178c57ce83de (diff) |
Unifies libip[6]t_mac.c into libxt_mac.c
Diffstat (limited to 'extensions/libipt_mac.c')
-rw-r--r-- | extensions/libipt_mac.c | 140 |
1 files changed, 0 insertions, 140 deletions
diff --git a/extensions/libipt_mac.c b/extensions/libipt_mac.c deleted file mode 100644 index 13fa69a8..00000000 --- a/extensions/libipt_mac.c +++ /dev/null @@ -1,140 +0,0 @@ -/* Shared library add-on to iptables to add MAC address support. */ -#include <stdio.h> -#include <netdb.h> -#include <string.h> -#include <stdlib.h> -#include <getopt.h> -#if defined(__GLIBC__) && __GLIBC__ == 2 -#include <net/ethernet.h> -#else -#include <linux/if_ether.h> -#endif -#include <iptables.h> -#include <linux/netfilter_ipv4/ipt_mac.h> - -/* Function which prints out usage message. */ -static void -help(void) -{ - printf( -"MAC v%s options:\n" -" --mac-source [!] XX:XX:XX:XX:XX:XX\n" -" Match source MAC address\n" -"\n", IPTABLES_VERSION); -} - -static struct option opts[] = { - { "mac-source", 1, 0, '1' }, - {0} -}; - -static void -parse_mac(const char *mac, struct ipt_mac_info *info) -{ - unsigned int i = 0; - - if (strlen(mac) != ETH_ALEN*3-1) - exit_error(PARAMETER_PROBLEM, "Bad mac address `%s'", mac); - - for (i = 0; i < ETH_ALEN; i++) { - long number; - char *end; - - number = strtol(mac + i*3, &end, 16); - - if (end == mac + i*3 + 2 - && number >= 0 - && number <= 255) - info->srcaddr[i] = number; - else - exit_error(PARAMETER_PROBLEM, - "Bad mac address `%s'", mac); - } -} - -/* 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, - unsigned int *nfcache, - struct xt_entry_match **match) -{ - struct ipt_mac_info *macinfo = (struct ipt_mac_info *)(*match)->data; - - switch (c) { - case '1': - check_inverse(optarg, &invert, &optind, 0); - parse_mac(argv[optind-1], macinfo); - if (invert) - macinfo->invert = 1; - *flags = 1; - break; - - default: - return 0; - } - - return 1; -} - -static void print_mac(unsigned char macaddress[ETH_ALEN]) -{ - unsigned int i; - - printf("%02X", macaddress[0]); - for (i = 1; i < ETH_ALEN; i++) - printf(":%02X", macaddress[i]); - printf(" "); -} - -/* Final check; must have specified --mac. */ -static void final_check(unsigned int flags) -{ - if (!flags) - exit_error(PARAMETER_PROBLEM, - "You must specify `--mac-source'"); -} - -/* Prints out the matchinfo. */ -static void -print(const void *ip, - const struct xt_entry_match *match, - int numeric) -{ - printf("MAC "); - - if (((struct ipt_mac_info *)match->data)->invert) - printf("! "); - - print_mac(((struct ipt_mac_info *)match->data)->srcaddr); -} - -/* Saves the union ipt_matchinfo in parsable form to stdout. */ -static void save(const void *ip, const struct xt_entry_match *match) -{ - if (((struct ipt_mac_info *)match->data)->invert) - printf("! "); - - printf("--mac-source "); - print_mac(((struct ipt_mac_info *)match->data)->srcaddr); -} - -static struct iptables_match mac = { - .next = NULL, - .name = "mac", - .version = IPTABLES_VERSION, - .size = IPT_ALIGN(sizeof(struct ipt_mac_info)), - .userspacesize = IPT_ALIGN(sizeof(struct ipt_mac_info)), - .help = &help, - .parse = &parse, - .final_check = &final_check, - .print = &print, - .save = &save, - .extra_opts = opts -}; - -void _init(void) -{ - register_match(&mac); -} |