Commit Graph

171 Commits

Author SHA1 Message Date
Rui Salvaterra
d7956c5728 netfilter: remove no-op kconfig symbols
These have long been obsolete. For reference, here's the Linux version where
each symbol has been dropped:

CONFIG_IP6_NF_QUEUE - 3.5
CONFIG_IP6_NF_TARGET_LOG - 3.4
CONFIG_IP_NF_MATCH_DSCP - 2.6.19
CONFIG_NF_CONNTRACK_IPV4 - 4.19
CONFIG_NF_CONNTRACK_IPV6 - 4.19
CONFIG_NF_CONNTRACK_RTCACHE - out-of-tree, superseded by flow offloading

Signed-off-by: Rui Salvaterra <rsalvaterra@gmail.com>
2021-05-01 00:37:15 +02:00
Supriya Mane
eccb45627e x86/64: Iptables seems to lack support for cgroup v2
FS#3574
Adding cgroup support enables adding rules on processes
to limit resources in terms of iptable policies

Signed-off-by: Supriya Mane <sm.supriya@globaledgesoft.com>
2021-03-19 01:25:26 +01:00
Paul Spooren
a17b8eaa2e build: use SPDX license tags
The license folder is a core part of OpenWrt and all GPL-2.0 licensed.
Use SPDX license tags to allow machines to check licenses.

Signed-off-by: Paul Spooren <mail@aparcar.org>
[rebase, keep some Copyright lines, sharpen commit message]
Signed-off-by: Adrian Schmutzler <freifunk@adrianschmutzler.de>
2021-02-05 14:54:47 +01:00
Brett Mastbergen
df8e4906f7 netfilter: Add queue support for nftables
This change adds the configuration option to build and include
the nft_queue kernel module, which allows traffic to be queued up
to userspace from an nftables rule

Tested-by: Sébastien Delafond sdelafond@gmail.com
Signed-off-by: Brett Mastbergen <bmastbergen@untangle.com>
2020-11-12 18:19:44 +01:00
Adrian Schmutzler
ac5671f46c kernel: remove obsolete kernel version switches for 4.19
This removes switches dependent on kernel version 4.19 as well as
several packages/modules selected only for that version.

Signed-off-by: Adrian Schmutzler <freifunk@adrianschmutzler.de>
2020-10-30 19:44:41 +01:00
Daniel Golle
499924adf0 Revert "kmod-nft-reject: Fix for "nft_reject_ipv4.ko missing" warning"
This reverts commit 7f94e2afcf.

Package kmod-nft-core is missing dependencies for the following libraries:
nft_reject.ko

Signed-off-by: Daniel Golle <daniel@makrotopia.org>
2020-10-30 01:39:01 +00:00
Philip Prindeville
7f94e2afcf kmod-nft-reject: Fix for "nft_reject_ipv4.ko missing" warning
Seeing the following:

    ERROR: module '/home/philipp/lede/build_dir/target-x86_64_musl/linux-x86_64/linux-5.4.33/net/ipv4/netfilter/nft_reject_ipv4.ko' is missing.
    modules/netfilter.mk:1068: recipe for target '/home/philipp/lede/bin/targets/x86/64/packages/kmod-nft-core_5.4.33-1_x86_64.ipk' failed
    make[3]: *** [/home/philipp/lede/bin/targets/x86/64/packages/kmod-nft-core_5.4.33-1_x86_64.ipk] Error 1

Signed-off-by: Philip Prindeville <philipp@redfish-solutions.com>
2020-10-30 00:39:09 +00:00
Yousong Zhou
472a06f707 netfilter.mk: remove now obsolete kmod nf_nat_redirect
Now that the minimal kernel version maintained here is 4.19

Signed-off-by: Yousong Zhou <yszhou4tech@gmail.com>
2020-10-24 22:28:38 +08:00
Yousong Zhou
dd5b04bf98 netfilter.mk: add version conditional around nf_nat_redirect mod
Kernel commit 1ac89d20150e ("netfilter: nat: merge nf_nat_redirect into
nf_nat") made the redirect module part of the nat core and changed the
CONFIG_NF_NAT_REDIRECT option to a boolean, without prompt, affecting
kernel 4.18 onwards.  CONFIG_NF_NAT_REDIRECT now can only be selected by
CONFIG_NFT_REDIR or NETFILTER_XT_TARGET_REDIRECT

Fixes: FS#2476
Ref: https://bugs.openwrt.org/index.php?do=details&task_id=2476

Fixes: FS#2990 (partial)
Ref: https://bugs.openwrt.org/index.php?do=details&task_id=2990

Signed-off-by: Tony Ambardar <itugrok@yahoo.com>
[note that the option has no prompt and can only be selected by other
kconfig options]
Signed-off-by: Yousong Zhou <yszhou4tech@gmail.com>
2020-10-24 22:28:37 +08:00
Yousong Zhou
2407118db9 netfilter.mk: add version conditional around CONFIG_NF_NAT_PROTO_GRE
It was removed in upstream linux commit faec18db ("netfilter: nat:
remove l4proto->manip_pkt").  This happened since linux 5.0

Signed-off-by: Yousong Zhou <yszhou4tech@gmail.com>
2020-10-24 22:28:37 +08:00
Tony Ambardar
32931f18f2 netfilter.mk: add version conditional for CONFIG_NF_CT_PROTO_GRE
Kernel commit 22fc4c4c9fd6 ("netfilter: conntrack: gre: switch module to
be built-in") moved the CT GRE code into the core nf_conntrack.ko module
and changed the CONFIG_NF_CT_PROTO_GRE option to boolean for kernel 5.1
and onwards.

CONFIG_NF_CT_PROTO_GRE at the moment has no prompt and can only be
selected by NF_CONNTRACK_PPTP

Fixes: FS#2990 (partial)
Ref: https://bugs.openwrt.org/index.php?do=details&task_id=2990

Signed-off-by: Tony Ambardar <itugrok@yahoo.com>
[note that the option now can not be enabled on its own]
Signed-off-by: Yousong Zhou <yszhou4tech@gmail.com>
2020-10-24 22:28:37 +08:00
Yousong Zhou
a5c10ba980 netfilter.mk: add version conditional for nf_nat_ipv4,6
The upstream linux commit is 3bf195ae ("netfilter: nat: merge
nf_nat_ipv4,6 into nat core").  It was included since linux 5.1

Signed-off-by: Yousong Zhou <yszhou4tech@gmail.com>
2020-10-24 22:28:37 +08:00
Yousong Zhou
c6bdd7321f netfilter.mk: use CONFIG_NETFILTER_XT_TARGET_REDIRECT
CONFIG_IP_NF_TARGET_REDIRECT is a compat option since upstream commit
2cbc78a2 ("netfilter: combine ipt_REDIRECT and ip6t_REDIRECT").  That
happened since linux 3.10

Signed-off-by: Yousong Zhou <yszhou4tech@gmail.com>
2020-10-24 22:28:37 +08:00
Yousong Zhou
d1592306cc netfilter.mk: use CONFIG_NETFILTER_XT_TARGET_MASQUERADE
CONFIG_IP_NF_TARGET_MASQUERADE and its counterpart
CONFIG_IP6_NF_TARGET_MASQUERADE are "backwards-compat option for the
user's convenience"

Related commit d22c1755 ("netfilter: fix NAT packaging with kernels
5.2+")

Signed-off-by: Yousong Zhou <yszhou4tech@gmail.com>
2020-10-24 22:28:37 +08:00
Jo-Philipp Wich
257110c08a netfilter: ship nft_chain_nat on 5.1+ kernels
The former nft_chain_nat_ipv4 and nft_chain_nat_ipv6 modules have been merged
into a common nft_chain_nat module starting with Linux 5.1.

Ensure that this common module is shipped along with kmod-nft-nat on recent
kernels.

While we're at it, also apply version constraints to other nft modules that
have been merged into the core with newer kernels.

Ref: https://bugs.openwrt.org/index.php?do=details&task_id=2815#comment8016
Signed-off-by: Jo-Philipp Wich <jo@mein.io>
2020-10-02 14:40:31 +02:00
Adrian Schmutzler
6362a04725 kernel: remove obsolete kernel version switches for 4.14
This removes switches dependent on kernel version 4.14 as well as
several packages/modules selected only for that version.

This also removes sched-cake-virtual, which is not required anymore
now that we have only one variant of cake.

Signed-off-by: Adrian Schmutzler <freifunk@adrianschmutzler.de>
2020-09-02 16:29:23 +02:00
DENG Qingfang
29a458b0ca kernel: netfilter.mk: fix kmod-ipt-nat6 installation on 5.4
xt_MASQUERADE.ko is picked up by both kmod-ipt-nat and kmod-ipt-nat6, causing
conflict
As kmod-ipt-nat6 already depends on kmod-ipt-nat, remove xt_MASQUERADE from it

Fixes: FS#2924
Fixes: 0fad8af851 ("kernel: Include xt_MASQUERADE for kernel 5.2 and later")
Signed-off-by: DENG Qingfang <dengqf6@mail2.sysu.edu.cn>
2020-04-20 15:07:17 +02:00
Koen Vandeputte
0fad8af851 kernel: Include xt_MASQUERADE for kernel 5.2 and later
Instead of ip6t_MASQUERADE, include xt_MASQUERADE on kernel >= 5.2.

Signed-off-by: Koen Vandeputte <koen.vandeputte@ncentric.com>
2020-02-28 17:50:46 +01:00
Jo-Philipp Wich
0e05093b12 netfilter: package required kmods for nftables
Package new kmods "nf_tables_set" and "nft_objref" which got introduced
with kernel 4.18 and restrict the old "nft_set_rbtree" and "nft_set_hash"
modules to sub-4.18 versions.

Also reorder the nftables related netfilter.mk entries alphabetically
while touching this code section.

Fixes: FS#2699
Ref: https://bugs.openwrt.org/index.php?do=details&task_id=2699#comment7450
Signed-off-by: Jo-Philipp Wich <jo@mein.io>
2020-01-14 16:58:43 +01:00
David Bauer
8b86ddf4d5 netfilter: add back nft_hash
nft_hash hash falsely removed in commit 97940f8766
("kernel: remove obsolete kernel version switches").

Add the module back, as otherwise the build fails.

Fixes: 97940f8766 ("kernel: remove obsolete kernel version switches")

Signed-off-by: David Bauer <mail@david-bauer.net>
2020-01-12 18:59:07 +01:00
Adrian Schmutzler
97940f8766 kernel: remove obsolete kernel version switches
After kernel 4.9 has been removed, this removes all (now obsolete)
kernel version switches that deal with versions before 4.14.

Package kmod-crypto-iv is empty now and thus removed entirely.

Signed-off-by: Adrian Schmutzler <freifunk@adrianschmutzler.de>
2020-01-12 16:34:20 +01:00
Rafał Miłecki
d22c1755fc netfilter: fix NAT packaging with kernels 5.2+
It's related to the upstream kernel commit adf82accc5f5 ("netfilter:
x_tables: merge ip and ipv6 masquerade modules").

Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
2019-10-28 08:40:02 +01:00
Brett Mastbergen
2b6eab507a netfilter: Add fib support for nftables
Signed-off-by: Brett Mastbergen <bmastbergen@untangle.com>
2018-12-16 00:57:20 +01:00
Hauke Mehrtens
fbaf48387e kernel: netfilter: chain filters merged into nf_tables.ko
In mainline kernel commit 02c7b25e5f5 ("netfilter: nf_tables: build-in
filter chain type") all chain filters were merged into one file and into
one kernel module to save some memory. The code protected by these
configuration options CONFIG_NF_TABLES_BRIDGE, CONFIG_NF_TABLES_IPV4,
CONFIG_NF_TABLES_ARP, CONFIG_NF_TABLES_IPV6, CONFIG_NF_TABLES_NETDEV and
CONFIG_NF_TABLES_INET was merged into the nft_chain_filter.c file which
is now always compiled into the nf_tables.ko file.

This only happened in kernel 4.19 and OpenWrt has to select these as
modules in older kennel versions. Mark them as build-in in the kernel
4.19 specific kernel configuration file which will then not be
overwritten by the package specific settings which try to make them
modular again.

Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
2018-12-15 14:28:50 +01:00
Hauke Mehrtens
f891670704 kernel: netfilter: Adapt merge ipv4/ipv6 masquerade code
In kernel commit 0168e8b361 ("netfilter: nat: merge ipv4/ipv6 masquerade
code into main nat module") the CONFIG_NF_NAT_MASQUERADE_IPV4 and
CONFIG_NF_NAT_MASQUERADE_IPV6 kernel configuration option were changed
to bool and the code will not be compiled as a own module any more, but
it will be integrated into nf_nat_ipv4.ko or nf_nat_ipv6.ko to save some
memory.

Activate these options as bool in the generic kernel 4.19 configuration
only, to always build them into the nf_nat_ipv*.ko modules. The kmod
file will still try to select them as module, but the generic
configuration will not be overwritten.

Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
2018-12-15 14:28:50 +01:00
Hauke Mehrtens
f72f793c9e kernel: netfilter: Add nf_conncount.ko
Some kernel modules from kmod-ipt-conntrack-extra depend on
nf_conncount.ko, which was added in kernel 4.16, add it to the kmod.

Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
2018-12-15 14:28:50 +01:00
Hauke Mehrtens
89806545cc kernel: netfilter: Add nf_tproxy_ipv{4,6} and nf_socket_ipv{4,6}
The nf_socket.ko module was split in commit 8db4c5be88f ("netfilter:
move socket lookup infrastructure to nf_socket_ipv{4,6}.c") into a
common, n IPv4 and an IPv6 part.
The nf_tproxy.ko module was split in commit 45ca4e0cf27 ("netfilter:
Libify xt_TPROXY") into a common, an IPv4 and an IPv6 part.

Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
2018-12-15 14:28:50 +01:00
Hauke Mehrtens
35929059b7 kernel: netfilter: Add nf_defrag_ipv6.ko to NF_CONNTRACK on 4.19
In kernel commit a0ae2562c6c ("netfilter: conntrack: remove l3proto
abstraction") The modules nf_conntrack_ipv4.ko, nf_conntrack_ipv6.ko and
nf_conntrack.ko were squashed together into one module. This module now
depends on nf_defrag_ipv6 when IPv6 support was activated. This is part
of the main netfilter packages, so add nf_defrag_ipv6.ko also to the
default netfilter packages on kernel 4.19 and later.

Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
2018-12-15 14:28:50 +01:00
Jo-Philipp Wich
93ac8b03b0 Revert "netfilter: separate IPv6 relevant kernel modules from IPv4"
This reverts commit 42a3c6465a.

The change was apparently never build-tested with all kmods enabled. I took
a brief look but found no simple way to untangle this, so revert it.

Signed-off-by: Jo-Philipp Wich <jo@mein.io>
2018-08-06 19:46:37 +02:00
Rosy Song
42a3c6465a netfilter: separate IPv6 relevant kernel modules from IPv4
Signed-off-by: Rosy Song <rosysong@rosinson.com>
2018-08-06 12:09:04 +02:00
Alin Nastac
ab07ae2f27 netfilter: add bpf match support
Add xt_bpf modules to {kmod-ipt,iptables-mod}-filter.

Match using Linux Socket Filter. Expects a BPF program in decimal
format. This is the format generated by the nfbpf_compile utility.

Signed-off-by: Alin Nastac <alin.nastac@gmail.com>
2018-06-26 08:57:25 +02:00
Matthias Schiffer
177fa14340
iptables: split physdev match out as a separate package
Split physdev match out of ipt-extra to allow installing ipt-extra without
pulling in br-netfilter.

Signed-off-by: Matthias Schiffer <mschiffer@universe-factory.net>
2018-04-09 19:41:48 +02:00
Felix Fietkau
820f030998 netfilter: add a xt_FLOWOFFLOAD target for NAT/routing offload support
This makes it possible to add an iptables rule that offloads routing/NAT
packet processing to a software fast path. This fast path is much
quicker than running packets through the regular tables/chains.

Requires Linux 4.14

Signed-off-by: Felix Fietkau <nbd@nbd.name>
2018-02-21 20:12:42 +01:00
Kristian Evensen
2d27ebbb93 iptables: Support building connlabel module
It is currently possible to enable connlabel-support in iptables.
However, in order for connlabel to work properly, the kernel module must
also be present. This patch adds support for building the
connlabel-module, and selects it by default when connlabel-support is
enabled.

Signed-off-by: Kristian Evensen <kristian.evensen@gmail.com>
2018-02-13 10:01:52 +01:00
Matthias Schiffer
352c74fcb4
netfilter: add packages for arp and bridge tables of nftables
Signed-off-by: Matthias Schiffer <mschiffer@universe-factory.net>
2018-01-31 13:32:40 +01:00
Matthias Schiffer
e7e025426a
netfilter: clean up dependencies of kernel modules
The nf_reject_ipv4 and nf_reject_ipv6 modules are moved into separate
packages, as they are a common dependency of ip(6)tables and nftables. This
avoids a dependency of nftables on kmod-nf-ipt(6). Also, fewer iptables
modules depend on nf-conntrack(6) now.

Signed-off-by: Matthias Schiffer <mschiffer@universe-factory.net>
2018-01-31 13:32:40 +01:00
Denis Osvald
ee791fa4ab netfilter, iptables: add optional CHECKSUM module
Signed-off-by: Denis Osvald <denis.osvald@sartura.hr>
2017-11-06 16:39:41 +01:00
Martin Wetterwald
378e1a4858 iptables: Fix target TRACE issue
The package kmod-ipt-debug builds the module xt_TRACE, which allows
users to use '-j TRACE' as target in the chain PREROUTING of the table
raw in iptables.

The kernel compilation flag NETFILTER_XT_TARGET_TRACE is also enabled so
that this feature which is implemented deep inside the linux IP stack
(for example in sk_buff) is compiled.

But a strace of iptables -t raw -I PREROUTING -p icmp -j TRACE reveals
that an attempt is made to read /usr/lib/iptables/libxt_TRACE.so, which
fails as this dynamic library is not present on the system.

I created the package iptables-mod-trace which takes care of that, and
target TRACE now works!

https://dev.openwrt.org/ticket/16694
https://dev.openwrt.org/ticket/19661

Signed-off-by: Martin Wetterwald <martin.wetterwald@corp.ovh.com>
[Jo-Philipp Wich: also remove trace extension from builtin extension list
                  and depend on kmod-ipt-raw since its required for rules]
Signed-off-by: Jo-Philipp Wich <jo@mein.io>
Tested-by: Enrico Mioso <mrkiko.rs@gmail.com>
2017-10-27 02:31:33 +02:00
Alin Nastac
d8748e537f netfilter: add iptables-mod-rpfilter package
Unlike /proc/sys/net/ipv4/conf/INTF/rp_filter flag, rule iptables -t raw
-I PREROUTING -m rpfilter --invert -j DROP prevents conntrack table to
become full when a packet flood with randomly selected source IP addresses
is received from the lan side.

Signed-off-by: Alin Nastac <alin.nastac@gmail.com>
2017-07-11 22:09:57 +02:00
Felix Fietkau
0519bafbda netfilter.mk: prepare for linux 4.9 support
Signed-off-by: Felix Fietkau <nbd@nbd.name>
2017-01-27 11:18:27 +01:00
Felix Fietkau
970dd4dd58 kernel: netfilter: split out iptable_raw into a separate package
This will avoid loading it in the default configuration, which reduces
image size a bit, and (more importantly) improves performance by
avoiding some unnecessary netfilter hooks

Signed-off-by: Felix Fietkau <nbd@nbd.name>
2016-12-14 12:13:14 +01:00
Jo-Philipp Wich
e2f8d200f5 netfilter: drop proprietary xt_id match
The xt_id match was used by the firewall3 package to track its own rules but
the approach has been changed to use xt_comment instead now, so we can drop
this nonstandard extension.

Signed-off-by: Jo-Philipp Wich <jo@mein.io>
2016-12-14 01:05:06 +01:00
Matthias Schiffer
cea09329e5
netfilter: fix file conflicts between kmod-ipt- and kmod-nft- packages
The nf_reject_* and nf_nat_masquerade_* modules are moved into the
corresponding kmod-nf- packages. Appropriate dependencies are added to the
kmod-nft- packages.

Signed-off-by: Matthias Schiffer <mschiffer@universe-factory.net>
2016-09-30 23:32:05 +02:00
Felix Fietkau
c0f4c9e0d8 include/netfilter.mk: fix kmod-ipt-tee build with 4.3/4.4
Signed-off-by: Felix Fietkau <nbd@openwrt.org>

SVN-Revision: 47890
2015-12-13 18:33:11 +00:00
Jonas Gorski
e9650d4557 netfilter.mk: fix redirect module locations for 3.19+
ntf_redir_ipvX is part of NAT support, so they should be in the
appropriate nft-nat kmods. Since they depend on nf_nat_redirect,
nf_nat_redirect should be part of nf-nat, not ipt-nat.

Fixes nft-core gaining a missing dependency on nf_nat_redirect.ko.

Signed-off-by: Jonas Gorski <jogo@openwrt.org>

SVN-Revision: 46109
2015-06-22 12:27:25 +00:00
Felix Fietkau
3edc273a33 netfilter.mk: remove obsolete ip_nat_ftp related line
Signed-off-by: Felix Fietkau <nbd@openwrt.org>

SVN-Revision: 45516
2015-04-20 13:36:25 +00:00
Felix Fietkau
391387eb69 netfilter.mk: move IRC conntrack/nat helpers to kmod-nf-nathelper-extra
Signed-off-by: Felix Fietkau <nbd@openwrt.org>

SVN-Revision: 45515
2015-04-20 13:36:02 +00:00
Felix Fietkau
d0ba3bb1e2 kernel: finally remove layer7 filter support
it has been non-functional for years and caused numerous memleaks and
crashes for people that tried to enable it.
it has no maintained upstream source, and it does not look like it's
going to be fixed any time soon

Signed-off-by: Felix Fietkau <nbd@openwrt.org>

SVN-Revision: 45423
2015-04-13 22:23:14 +00:00
Felix Fietkau
54a7ce626d netfilter.mk: remove bogus NAT related kernel module entries (#19451)
Signed-off-by: Felix Fietkau <nbd@openwrt.org>

SVN-Revision: 45382
2015-04-11 12:22:39 +00:00
Felix Fietkau
da7ef81ad4 netfilter.mk: drop obsolete kernel version dependencies
Signed-off-by: Felix Fietkau <nbd@openwrt.org>

SVN-Revision: 45381
2015-04-11 12:22:28 +00:00