Release 4.7 net/bridge/netfilter/ebt_802_3.c
/*
* 802_3
*
* Author:
* Chris Vitale csv@bluetail.com
*
* May 2003
*
*/
#include <linux/module.h>
#include <linux/netfilter/x_tables.h>
#include <linux/netfilter_bridge/ebtables.h>
#include <linux/netfilter_bridge/ebt_802_3.h>
static bool
ebt_802_3_mt(const struct sk_buff *skb, struct xt_action_param *par)
{
const struct ebt_802_3_info *info = par->matchinfo;
const struct ebt_802_3_hdr *hdr = ebt_802_3_hdr(skb);
__be16 type = hdr->llc.ui.ctrl & IS_UI ? hdr->llc.ui.type : hdr->llc.ni.type;
if (info->bitmask & EBT_802_3_SAP) {
if (FWINV(info->sap != hdr->llc.ui.ssap, EBT_802_3_SAP))
return false;
if (FWINV(info->sap != hdr->llc.ui.dsap, EBT_802_3_SAP))
return false;
}
if (info->bitmask & EBT_802_3_TYPE) {
if (!(hdr->llc.ui.dsap == CHECK_TYPE && hdr->llc.ui.ssap == CHECK_TYPE))
return false;
if (FWINV(info->type != type, EBT_802_3_TYPE))
return false;
}
return true;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| bart de schuymer | bart de schuymer | 161 | 90.45% | 1 | 12.50% |
| jan engelhardt | jan engelhardt | 14 | 7.87% | 5 | 62.50% |
| arnaldo carvalho de melo | arnaldo carvalho de melo | 2 | 1.12% | 1 | 12.50% |
| al viro | al viro | 1 | 0.56% | 1 | 12.50% |
| Total | 178 | 100.00% | 8 | 100.00% |
static int ebt_802_3_mt_check(const struct xt_mtchk_param *par)
{
const struct ebt_802_3_info *info = par->matchinfo;
if (info->bitmask & ~EBT_802_3_MASK || info->invflags & ~EBT_802_3_MASK)
return -EINVAL;
return 0;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| bart de schuymer | bart de schuymer | 34 | 75.56% | 1 | 16.67% |
| jan engelhardt | jan engelhardt | 11 | 24.44% | 5 | 83.33% |
| Total | 45 | 100.00% | 6 | 100.00% |
static struct xt_match ebt_802_3_mt_reg __read_mostly = {
.name = "802_3",
.revision = 0,
.family = NFPROTO_BRIDGE,
.match = ebt_802_3_mt,
.checkentry = ebt_802_3_mt_check,
.matchsize = sizeof(struct ebt_802_3_info),
.me = THIS_MODULE,
};
static int __init ebt_802_3_init(void)
{
return xt_register_match(&ebt_802_3_mt_reg);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| bart de schuymer | bart de schuymer | 13 | 81.25% | 1 | 33.33% |
| jan engelhardt | jan engelhardt | 2 | 12.50% | 1 | 33.33% |
| andrew morton | andrew morton | 1 | 6.25% | 1 | 33.33% |
| Total | 16 | 100.00% | 3 | 100.00% |
static void __exit ebt_802_3_fini(void)
{
xt_unregister_match(&ebt_802_3_mt_reg);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| bart de schuymer | bart de schuymer | 12 | 80.00% | 1 | 33.33% |
| jan engelhardt | jan engelhardt | 2 | 13.33% | 1 | 33.33% |
| andrew morton | andrew morton | 1 | 6.67% | 1 | 33.33% |
| Total | 15 | 100.00% | 3 | 100.00% |
module_init(ebt_802_3_init);
module_exit(ebt_802_3_fini);
MODULE_DESCRIPTION("Ebtables: DSAP/SSAP field and SNAP type matching");
MODULE_LICENSE("GPL");
Overall Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| bart de schuymer | bart de schuymer | 260 | 77.84% | 1 | 5.56% |
| jan engelhardt | jan engelhardt | 66 | 19.76% | 13 | 72.22% |
| andrew morton | andrew morton | 4 | 1.20% | 1 | 5.56% |
| arnaldo carvalho de melo | arnaldo carvalho de melo | 2 | 0.60% | 1 | 5.56% |
| hideaki yoshifuji | hideaki yoshifuji | 1 | 0.30% | 1 | 5.56% |
| al viro | al viro | 1 | 0.30% | 1 | 5.56% |
| Total | 334 | 100.00% | 18 | 100.00% |
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