diff options
Diffstat (limited to 'extensions/libxt_mac.c')
| -rw-r--r-- | extensions/libxt_mac.c | 28 |
1 files changed, 26 insertions, 2 deletions
diff --git a/extensions/libxt_mac.c b/extensions/libxt_mac.c index f171d153..d7303440 100644 --- a/extensions/libxt_mac.c +++ b/extensions/libxt_mac.c @@ -50,11 +50,12 @@ static void mac_print(const void *ip, const struct xt_entry_match *match, int numeric) { const struct xt_mac_info *info = (void *)match->data; + printf(" MAC"); if (info->invert) printf(" !"); - + print_mac(info->srcaddr); } @@ -69,9 +70,31 @@ static void mac_save(const void *ip, const struct xt_entry_match *match) print_mac(info->srcaddr); } +static void print_mac_xlate(const unsigned char *macaddress, + struct xt_buf *buf) +{ + unsigned int i; + + xt_buf_add(buf, "%02x", macaddress[0]); + for (i = 1; i < ETH_ALEN; ++i) + xt_buf_add(buf, ":%02x", macaddress[i]); + xt_buf_add(buf, " "); +} + +static int mac_xlate(const struct xt_entry_match *match, + struct xt_buf *buf, int numeric) +{ + const struct xt_mac_info *info = (void *)match->data; + + xt_buf_add(buf, "ether saddr%s ", info->invert ? " !=" : ""); + print_mac_xlate(info->srcaddr, buf); + + return 1; +} + static struct xtables_match mac_match = { .family = NFPROTO_UNSPEC, - .name = "mac", + .name = "mac", .version = XTABLES_VERSION, .size = XT_ALIGN(sizeof(struct xt_mac_info)), .userspacesize = XT_ALIGN(sizeof(struct xt_mac_info)), @@ -80,6 +103,7 @@ static struct xtables_match mac_match = { .print = mac_print, .save = mac_save, .x6_options = mac_opts, + .xlate = mac_xlate, }; void _init(void) |