anonfunc/xtables-addons
1
0
Fork 0
mirror of git://git.code.sf.net/p/xtables-addons/xtables-addons synced 2025-09-20 19:44:56 +02:00
Code Issues Releases Wiki Activity

xt_quota2: support packet counting; add manpage

Browse Source
This commit is contained in:
Jan Engelhardt
2008-07-07 01:19:10 +02:00
parent e987e2118c
commit e456c864c1
4 changed files with 66 additions and 15 deletions
Download Patch File Download Diff File Expand all files Collapse all files

12
extensions/xt_quota2.c
View File

@@ -1,7 +1,11 @@
/*
* netfilter module to enforce network quotas
* xt_quota2 - enhanced xt_quota that can count upwards and in packets
* as a minimal accounting match.
* by Jan Engelhardt <jengelh@medozas.de>, 2008
*
* Sam Johnston <samj@samj.net>
* Originally based on xt_quota.c:
* netfilter module to enforce network quotas
* Sam Johnston <samj@samj.net>
*/
#include <linux/list.h>
#include <linux/proc_fs.h>
@@ -167,14 +171,14 @@ quota_mt2(const struct sk_buff *skb, const struct net_device *in,
if (q->flags & XT_QUOTA_GROW) {
spin_lock_bh(&e->lock);
e->quota += skb->len;
e->quota += (q->flags & XT_QUOTA_PACKET) ? 1 : skb->len;
q->quota = e->quota;
spin_unlock_bh(&e->lock);
ret = true;
} else {
spin_lock_bh(&e->lock);
if (e->quota >= skb->len) {
e->quota -= skb->len;
e->quota -= (q->flags & XT_QUOTA_PACKET) ? 1 : skb->len;
ret = !ret;
} else {
/* we do not allow even small packets from now on */