#17414: make xt_layer7.c compiled
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Reporter: puyou.lu@… | Owner: developers
Type: defect | Status: new
Priority: normal | Milestone: Barrier Breaker 14.07
Component: kernel | Version: Barrier Breaker 14.07
Resolution: | Keywords:
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Comment (by puyou.lu@…):
Finally I got time to test it simplely(only tried http), and did not find
any memory leaks.
{{{
root@OpenWrt:/etc/l7-protocols# free
total used free shared buffers
Mem: 60716 23652 37064 0 3108
-/+ buffers: 20544 40172
Swap: 0 0 0
root@OpenWrt:/etc/l7-protocols# iptables -t filter -I FORWARD -m layer7
--l7proto http -j DROP
root@OpenWrt:/etc/l7-protocols# iptables -t filter -L FORWARD --line-
numbers -vn
Chain FORWARD (policy DROP 0 packets, 0 bytes)
num pkts bytes target prot opt in out source
destination
1 6 4037 DROP all -- * * 0.0.0.0/0
0.0.0.0/0 LAYER7 l7proto http
2 14685 1759K delegate_forward all -- * * 0.0.0.0/0
0.0.0.0/0
}}}
And I tried to send http packets on the host computer using something
like:
{{{
while true; do wget --timeout=0.1 http://192.168.57.248; done
}}}
After about half an hour:
{{{
root@OpenWrt:/etc/l7-protocols# iptables -t filter -L FORWARD --line-
numbers -vn
Chain FORWARD (policy DROP 0 packets, 0 bytes)
num pkts bytes target prot opt in out source
destination
1 56213 43M DROP all -- * * 0.0.0.0/0
0.0.0.0/0 LAYER7 l7proto http
2 30657 3433K delegate_forward all -- * * 0.0.0.0/0
0.0.0.0/0
root@OpenWrt:/etc/l7-protocols# free
total used free shared buffers
Mem: 60716 23428 37288 0 3108
-/+ buffers: 20320 40396
Swap: 0 0 0
}}}
Also I tried '-j MARK':
{{{
root@OpenWrt:/etc/l7-protocols# iptables -t filter -D FORWARD -m layer7
--l7proto http -j DROP
root@OpenWrt:/etc/l7-protocols# iptables -t filter -I FORWARD -m layer7
--l7proto http -j MARK --set-mark 0x80
root@OpenWrt:/etc/l7-protocols# free
total used free shared buffers
Mem: 60716 23268 37448 0 3108
-/+ buffers: 20160 40556
Swap: 0 0 0
root@OpenWrt:/etc/l7-protocols# iptables -t filter -L FORWARD --line-
numbers -vn
Chain FORWARD (policy DROP 0 packets, 0 bytes)
num pkts bytes target prot opt in out source
destination
1 0 0 MARK all -- * * 0.0.0.0/0
0.0.0.0/0 LAYER7 l7proto http MARK set 0x80
2 31142 3531K delegate_forward all -- * * 0.0.0.0/0
0.0.0.0/0
}}}
About ten minutes later:
{{{
root@OpenWrt:/etc/l7-protocols# iptables -t filter -L FORWARD --line-
numbers -vn
Chain FORWARD (policy DROP 0 packets, 0 bytes)
num pkts bytes target prot opt in out source
destination
1 1779K 1299M MARK all -- * * 0.0.0.0/0
0.0.0.0/0 LAYER7 l7proto http MARK set 0x80
2 2149K 1349M delegate_forward all -- * * 0.0.0.0/0
0.0.0.0/0
root@OpenWrt:/etc/l7-protocols# free
total used free shared buffers
Mem: 60716 23740 36976 0 3108
-/+ buffers: 20632 40084
Swap: 0 0 0
}}}
As you can see there is no memory leaks. Or I am not in the right way
testing it?
--
Ticket URL: <https://dev.openwrt.org/ticket/17414#comment:2>
OpenWrt <http://openwrt.org>
Opensource Wireless Router Technology
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