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alpine
awall
Commits
42909321
Commit
42909321
authored
Mar 22, 2012
by
Kaarle Ritvanen
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iptables module: use class model, new class for run-time backups
parent
9825fc4d
Changes
2
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2 changed files
with
47 additions
and
19 deletions
+47
-19
awall/init.lua
awall/init.lua
+1
-1
awall/iptables.lua
awall/iptables.lua
+46
-18
No files found.
awall/init.lua
View file @
42909321
...
...
@@ -35,7 +35,7 @@ Config = awall.object.class(awall.object.Object)
function
Config
:
init
(
confdirs
)
self
.
input
=
{}
self
.
iptables
=
awall
.
iptables
.
new
()
self
.
iptables
=
awall
.
iptables
.
IPTables
.
new
()
for
i
,
dir
in
ipairs
(
confdirs
or
{
'/usr/share/awall'
,
'/etc/awall'
})
do
local
fnames
=
{}
...
...
awall/iptables.lua
View file @
42909321
...
...
@@ -9,29 +9,47 @@ module(..., package.seeall)
require
'lpc'
require
'awall.object'
require
'awall.util'
contains
=
awall
.
util
.
contains
local
families
=
{
inet
=
{
cmd
=
'iptables-restore'
,
file
=
'rules-save'
},
inet6
=
{
cmd
=
'ip6tables-restore'
,
file
=
'rules6-save'
}}
local
class
=
awall
.
object
.
class
local
contains
=
awall
.
util
.
contains
local
families
=
{
inet
=
{
cmd
=
'iptables'
,
file
=
'rules-save'
},
inet6
=
{
cmd
=
'ip6tables'
,
file
=
'rules6-save'
}}
local
builtin
=
{
'INPUT'
,
'FORWARD'
,
'OUTPUT'
,
'PREROUTING'
,
'POSTROUTING'
}
local
IPTables
=
{}
function
new
()
local
config
=
{}
setmetatable
(
config
,
local
BaseIPTables
=
class
(
awall
.
object
.
Object
)
function
BaseIPTables
:
restore
(
...
)
for
family
,
params
in
pairs
(
families
)
do
local
pid
,
stdin
,
stdout
=
lpc
.
run
(
params
.
cmd
..
'-restore'
,
unpack
(
arg
))
stdout
:
close
()
self
:
dumpfile
(
family
,
stdin
)
stdin
:
close
()
assert
(
lpc
.
wait
(
pid
)
==
0
)
end
end
function
BaseIPTables
:
activate
()
self
:
restore
()
end
function
BaseIPTables
:
test
()
self
:
restore
(
'-t'
)
end
IPTables
=
class
(
BaseIPTables
)
function
IPTables
:
init
()
self
.
config
=
{}
setmetatable
(
self
.
config
,
{
__index
=
function
(
t
,
k
)
t
[
k
]
=
{}
setmetatable
(
t
[
k
],
getmetatable
(
t
))
return
t
[
k
]
end
})
local
res
=
{
config
=
config
}
setmetatable
(
res
,
{
__index
=
IPTables
})
return
res
end
function
IPTables
:
dumpfile
(
family
,
iptfile
)
...
...
@@ -51,17 +69,27 @@ function IPTables:dumpfile(family, iptfile)
end
end
function
IPTables
:
test
(
)
function
IPTables
:
dump
(
dir
)
for
family
,
tbls
in
pairs
(
self
.
config
)
do
local
pid
,
stdin
=
lpc
.
run
(
families
[
family
].
cmd
,
'-t'
)
self
:
dumpfile
(
family
,
stdin
)
self
:
dumpfile
(
family
,
io.output
(
dir
..
'/'
..
families
[
family
].
file
))
end
end
Backup
=
class
(
BaseIPTables
)
function
Backup
:
init
()
for
family
,
params
in
pairs
(
families
)
do
self
[
family
]
=
io.tmpfile
()
local
pid
,
stdin
,
stdout
=
lpc
.
run
(
params
.
cmd
..
'-save'
)
stdin
:
close
()
for
line
in
stdout
:
lines
()
do
self
[
family
]:
write
(
line
..
'
\n
'
)
end
stdout
:
close
()
assert
(
lpc
.
wait
(
pid
)
==
0
)
end
end
function
IPTables
:
dump
(
dir
)
for
family
,
tbls
in
pairs
(
self
.
config
)
do
self
:
dumpfile
(
family
,
io.output
(
dir
..
'/'
..
families
[
family
].
file
))
end
function
Backup
:
dumpfile
(
family
,
iptfile
)
self
[
family
]:
seek
(
'set'
)
for
line
in
self
[
family
]:
lines
()
do
iptfile
:
write
(
line
..
'
\n
'
)
end
end
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