| Commit message (Collapse) | Author | Age | Files | Lines |
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Add translation of the ecn match to nftables.
Examples:
# iptables-translate -A INPUT -m ecn --ecn-ip-ect 0
nft add rule ip filter INPUT ip ecn not-ect counter
# iptables-translate -A INPUT -m ecn --ecn-ip-ect 1
nft add rule ip filter INPUT ip ecn ect1 counter
# iptables-translate -A INPUT -m ecn --ecn-ip-ect 2
nft add rule ip filter INPUT ip ecn ect0 counter
# iptables-translate -A INPUT -m ecn --ecn-ip-ect 3
nft add rule ip filter INPUT ip ecn ce counter
# iptables-translate -A INPUT -m ecn ! --ecn-ip-ect 0
nft add rule ip filter INPUT ip ecn != not-ect counter
# iptables-translate -A INPUT -m ecn ! --ecn-ip-ect 1
nft add rule ip filter INPUT ip ecn != ect1 counter
# iptables-translate -A INPUT -m ecn ! --ecn-ip-ect 2
nft add rule ip filter INPUT ip ecn != ect0 counter
# iptables-translate -A INPUT -m ecn ! --ecn-ip-ect 3
nft add rule ip filter INPUT ip ecn != ce counter
Signed-off-by: Roberto García <rodanber@gmail.com>
Reviewed-by: Arturo Borrero Gonzalez <arturo.borrero.glez@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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The assignment statement was interpreted as executing enable_connlabel
command with the argument "no". This was due to the whitespaces in the
assignment.
Fixes the trivial bug introduced in commit 3b7a227 (configure: Show
support for connlabel)
Signed-off-by: Shivani Bhardwaj <shivanib134@gmail.com>
Signed-off-by: Florian Westphal <fw@strlen.de>
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After this patch, iptables-compat uses nft built-in comments support
instead of comment match.
This change simplifies the treatment of comments in nft after load a
rule set through iptables-compat-restore.
Signed-off-by: Pablo M. Bermudo Garay <pablombg@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Add translation of conntrack to nftables.
Examples:
$ sudo iptables-translate -t filter -A INPUT -m conntrack --ctstate NEW,RELATED -j ACCEPT
nft add rule ip filter INPUT ct state new,related counter accept
$ sudo ip6tables-translate -t filter -A INPUT -m conntrack ! --ctstate NEW,RELATED -j ACCEPT
nft add rule ip6 filter INPUT ct state != new,related counter accept
$ sudo iptables-translate -t filter -A INPUT -m conntrack --ctproto UDP -j ACCEPT
nft add rule ip filter INPUT ct proto 17 counter accept
$ sudo iptables-translate -t filter -A INPUT -m conntrack ! --ctproto UDP -j ACCEPT
nft add rule ip filter INPUT ct proto != 17 counter accept
$ sudo iptables-translate -t filter -A INPUT -m conntrack --ctorigsrc 10.100.2.131 -j ACCEPT
nft add rule ip filter INPUT ct original saddr 10.100.2.131 counter accept
$ sudo iptables-translate -t filter -A INPUT -m conntrack --ctorigsrc 10.100.0.0/255.255.0.0 -j ACCEPT
nft add rule ip filter INPUT ct original saddr 10.100.0.0/16 counter accept
$ sudo iptables-translate -t filter -A INPUT -m conntrack --ctorigdst 10.100.2.131 -j ACCEPT
nft add rule ip filter INPUT ct original daddr 10.100.2.131 counter accept
$ sudo iptables-translate -t filter -A INPUT -m conntrack --ctreplsrc 10.100.2.131 -j ACCEPT
nft add rule ip filter INPUT ct reply saddr 10.100.2.131 counter accept
$ sudo iptables-translate -t filter -A INPUT -m conntrack --ctrepldst 10.100.2.131 -j ACCEPT
nft add rule ip filter INPUT ct reply daddr 10.100.2.131 counter accept
$ sudo iptables-translate -t filter -A INPUT -m conntrack --ctproto tcp --ctorigsrcport 443:444 -j ACCEPT
nft add rule ip filter INPUT ct original protocol 6 ct original proto-src 443-444 counter accept
$ sudo iptables-translate -t filter -A INPUT -m conntrack ! --ctstatus CONFIRMED -j ACCEPT
nft add rule ip filter INPUT ct status != confirmed counter accept
$ sudo iptables-translate -t filter -A INPUT -m conntrack --ctexpire 3 -j ACCEPT
nft add rule ip filter INPUT ct expiration 3 counter accept
$ sudo iptables-translate -t filter -A INPUT -m conntrack --ctdir ORIGINAL -j ACCEPT
nft add rule ip filter INPUT ct direction original counter accept
Signed-off-by: Laura Garcia Liebana <nevola@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Extra space was printed by iprange_xlate:
# iptables-translate -A INPUT -m iprange --src-range \
192.168.25.149-192.168.25.151 -j ACCEPT
nft add rule ip filter INPUT ip saddr 192.168.25.149-192.168.25...
^^
Signed-off-by: Pablo M. Bermudo Garay <pablombg@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Fix translation of MARK target's --set-xmark option.
Before:
#iptables-translate -t mangle -A PREROUTING -j MARK --set-xmark 0x64/0xaf
nft add rule ip mangle PREROUTING counter meta mark set mark xor 0x64 and 0xaf
After:
# iptables-translate -t mangle -A PREROUTING -j MARK --set-xmark 0x64/0xaf
nft add rule ip mangle PREROUTING counter meta mark set mark and 0xffffff50 \
xor 0x64
Signed-off-by: Roberto García <rodanber@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Add translation for the CONNMARK target to nftables.
The following options have no available translation:
--save-mark [--nfmask nfmask] [--ctmask ctmask]
--restore-mark [--nfmask nfmask] [--ctmask ctmask]
Examples:
# iptables-translate -t mangle -A PREROUTING -j CONNMARK --set-mark 0x16
nft add rule ip mangle PREROUTING counter ct mark set 0x16
# iptables-translate -t mangle -A PREROUTING -j CONNMARK --set-xmark 0x16/0x12
nft add rule ip mangle PREROUTING counter ct mark set ct mark xor 0x16 and
0xffffffed
# iptables-translate -t mangle -A PREROUTING -j CONNMARK --and-mark 0x16
nft add rule ip mangle PREROUTING counter ct mark set ct mark and 0x16
# iptables-translate -t mangle -A PREROUTING -j CONNMARK --or-mark 0x16
nft add rule ip mangle PREROUTING counter ct mark set ct mark or 0x16
# iptables-translate -t mangle -A PREROUTING -j CONNMARK --save-mark
nft add rule ip mangle PREROUTING counter ct mark set mark
# iptables-translate -t mangle -A PREROUTING -j CONNMARK --save-mark \
--mask 0x12
nft add rule ip mangle PREROUTING counter ct mark set mark and 0x12
# iptables-translate -t mangle -A PREROUTING -j CONNMARK --restore-mark
nft add rule ip mangle PREROUTING counter meta mark set ct mark
# iptables-translate -t mangle -A PREROUTING -j CONNMARK --restore-mark \
--mask 0x12
nft add rule ip mangle PREROUTING counter meta mark set ct mark and 0x12
Signed-off-by: Roberto García <rodanber@gmail.com>
Acked-by: Arturo Borrero Gonzalez <arturo.borrero.glez@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Add translation for revision 1 of the MARK target to nft.
Examples:
# iptables-translate -t mangle -A PREROUTING -j MARK --set-mark 0x64
nft add rule ip mangle PREROUTING counter meta mark set 0x64
# iptables-translate -t mangle -A PREROUTING -j MARK --and-mark 0x64
nft add rule ip mangle PREROUTING counter meta mark set mark and 0x64
# iptables-translate -t mangle -A PREROUTING -j MARK --or-mark 0x64
nft add rule ip mangle PREROUTING counter meta mark set mark or 0x64
Signed-off-by: Roberto García <rodanber@gmail.com>
Acked-by: Arturo Borrero Gonzalez <arturo.borrero.glez@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Remove the warning about outdated version of flex as it is not needed
anymore. This check was introduced back in 2008 to skip a broken flex
version that doesn't seem to be packaged by any distribution anymore.
Signed-off-by: Shivani Bhardwaj <shivanib134@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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NETMAP_print is also used by its .save hook so this change
broke iptables-save output.
Revert the patch, rename NETMAP_print to __NETMAP_print and
use that as the workhorse for both xtables -L and xtables-save.
The addition of the 'to' prefix is done in the .print hook only.
Reported-by: Shivani Bhardwaj <shivanib134@gmail.com>
Reported-by: Pablo Neira Ayuso <pablo@netfilter.org>
Fixes: 90becf12bd5823b6d59d32d ("extensions: NETMAP: add ' to:' prefix when printing NETMAP target")
Signed-off-by: Florian Westphal <fw@strlen.de>
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Clone of 1eada72b with 9bb76094 and e0390bee on top.
Signed-off-by: Thomas Woerner <twoerner@redhat.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Add translation for the MARK target to nftables.
Examples:
$ sudo iptables-translate -t mangle -A OUTPUT -j MARK --set-mark 64
nft add rule ip mangle OUTPUT counter meta mark set 0x40
$ sudo iptables-translate -t mangle -A OUTPUT -j MARK --set-xmark 0x40/0x32
nft add rule ip mangle OUTPUT counter meta mark set mark xor 0x40 and 0x32
$ sudo iptables-translate -t mangle -A OUTPUT -j MARK --or-mark 64
nft add rule ip mangle OUTPUT counter meta mark set mark or 0x40
$ sudo iptables-translate -t mangle -A OUTPUT -j MARK --and-mark 64
nft add rule ip mangle OUTPUT counter meta mark set mark and 0x40
$ sudo iptables-translate -t mangle -A OUTPUT -j MARK --xor-mark 64
nft add rule ip mangle OUTPUT counter meta mark set mark xor 0x40
Signed-off-by: Roberto García <rodanber@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Add translation for cgroup to nft. Path parameter not supported in nft
yet.
Examples:
$ sudo iptables-translate -t filter -A INPUT -m cgroup --cgroup 0 -j ACCEPT
nft add rule ip filter INPUT meta cgroup 0 counter accept
$ sudo iptables-translate -t filter -A INPUT -m cgroup ! --cgroup 0 -j ACCEPT
nft add rule ip filter INPUT meta cgroup != 0 counter accept
Signed-off-by: Laura Garcia Liebana <nevola@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Add translation for frag to nftables. According to the --fraglen code:
case O_FRAGLEN:
/*
* As of Linux 3.0, the kernel does not check for
* fraglen at all.
*/
In addition, the kernel code doesn't show any reference to the flag
IP6T_FRAG_LEN, so this option is deprecated and won't be translated to
nft.
Examples:
$ sudo iptables-translate -t filter -A INPUT -m frag --fragid 100:200 -j ACCEPT
nft add rule ip6 filter INPUT frag id 100-200 counter accept
$ sudo iptables-translate -t filter -A INPUT -m frag --fragid 100 --fragres --fragmore -j ACCEPT
nft add rule ip6 filter INPUT frag id 100 frag reserved 1 frag more-fragments 1 counter accept
$ sudo iptables-translate -t filter -A INPUT -m frag ! --fragid 100:200 -j ACCEPT
nft add rule ip6 filter INPUT frag id != 100-200 counter accept
$ sudo iptables-translate -t filter -A INPUT -m frag --fragid 100:200 --fraglast -j ACCEPT
nft add rule ip6 filter INPUT frag id 100-200 frag more-fragments 0 counter accept
$ sudo iptables-translate -t filter -A INPUT -m frag --fragid 100:200 --fragfirst -j ACCEPT
nft add rule ip6 filter INPUT frag id 100-200 frag frag-off 0 counter accept
$ sudo iptables-translate -t filter -A INPUT -m frag --fraglast -j ACCEPT
nft add rule ip6 filter INPUT frag more-fragments 0 counter accept
Signed-off-by: Laura Garcia Liebana <nevola@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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For example:
# iptables-translate -t raw -A PREROUTING -j TRACE
nft add rule ip raw PREROUTING counter nftrace set 1
Signed-off-by: Liping Zhang <liping.zhang@spreadtrum.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Add translation for dscp to nftables, for both ipv4 and ipv6.
Examples:
$ sudo iptables-translate -t filter -A INPUT -m dscp --dscp 0x32 -j ACCEPT
nft add rule ip filter INPUT ip dscp 0x32 counter accept
$ sudo ip6tables-translate -t filter -A INPUT -m dscp ! --dscp 0x32 -j ACCEPT
nft add rule ip6 filter INPUT ip6 dscp != 0x32 counter accept
Signed-off-by: Laura Garcia Liebana <nevola@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Add translation for multiport to nftables, which it's supported natively.
Examples:
$ sudo iptables-translate -t filter -A INPUT -p tcp -m multiport --dports 80,81 -j ACCEPT
nft add rule ip filter INPUT ip protocol tcp tcp dport { 80,81} counter accept
$ sudo iptables-translate -t filter -A INPUT -p tcp -m multiport --dports 80:88 -j ACCEPT
nft add rule ip filter INPUT ip protocol tcp tcp dport 80-88 counter accept
$ sudo iptables-translate -t filter -A INPUT -p tcp -m multiport ! --dports 80:88 -j ACCEPT
nft add rule ip filter INPUT ip protocol tcp tcp dport != 80-88 counter accept
Signed-off-by: Laura Garcia Liebana <nevola@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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The order of mask and id in the translated code is not apt
so fix it.
This patch follows commit 8548dd by Liping Zhang.
Signed-off-by: Shivani Bhardwaj <shivanib134@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Add translation for Hop-By-Hop header to nftables. Hbh options are not
supported yet in nft.
$ sudo ip6tables-translate -t filter -A INPUT -m hbh --hbh-len 22
nft add rule ip6 filter INPUT hbh hdrlength 22 counter
$ sudo ip6tables-translate -t filter -A INPUT -m hbh ! --hbh-len 22
nft add rule ip6 filter INPUT hbh hdrlength != 22 counter
Signed-off-by: Laura Garcia Liebana <nevola@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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The order of mask and mark in the output is wrong. This has been pointed
out: http://git.netfilter.org/iptables/commit/?id=8548dd253833027c68ac6400c3118ef788fabe5d
by Liping Zhang <liping.zhang@spreadtrum.com>.
This patch fixes the same issue with connmark.
Signed-off-by: Shivani Bhardwaj <shivanib134@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Add translation of ipcomp to nftables.
First value of the parameter 'ipcompspi' will be translated to 'cpi'
parameter in nftables. Parameter 'compres' is not supported in nftables.
Examples:
$ sudo iptables-translate -t filter -A INPUT -m ipcomp --ipcompspi 0x12 -j ACCEPT
nft add rule ip filter INPUT comp cpi 18 counter accept
$ sudo iptables-translate -t filter -A INPUT -m ipcomp ! --ipcompspi 0x12 -j ACCEPT
nft add rule ip filter INPUT comp cpi != 18 counter accept
Signed-off-by: Laura Garcia Liebana <nevola@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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The mask and mark's order is reversed, so when we specify the mask, we will
get the wrong translation result:
# iptables-translate -A INPUT -m mark --mark 0x1/0xff
nft add rule ip filter INPUT mark and 0x1 == 0xff counter
Apply this patch, translation will become:
# iptables-translate -A INPUT -m mark --mark 0x1/0xff
nft add rule ip filter INPUT mark and 0xff == 0x1 counter
Cc: Shivani Bhardwaj <shivanib134@gmail.com>
Signed-off-by: Liping Zhang <liping.zhang@spreadtrum.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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NETMAP .print function doesn't insert the ' ' character needed to seperate
earlier output from the target network, i.e. iptables -L prints
something like
2.2.2.5-2.2.2.103.3.3.64/28
instead of
2.2.2.5-2.2.2.10 3.3.3.64/28
Add a ' to:' prefix just like we do for S/DNAT targets.
Closes https://bugzilla.netfilter.org/show_bug.cgi?id=1070.
Signed-off-by: Florian Westphal <fw@strlen.de>
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The default burst value is 5 in iptables limit extension while it is 0 in
nft limit expression, if the burst value is default, it will not be
displayed when we dump the rules. But when we do translation from iptables
rules to nft rules, we should keep the limit burst value unchanged, even if
it is not displayed in iptables rules.
And now, if the limit-burst value in the iptables rule is 5 or 0, they are
all translated to nft rule without burst, this is wrong:
$ sudo iptables-translate -A INPUT -m limit --limit 10/s --limit-burst 5
nft add rule ip filter INPUT limit rate 10/second counter
$ sudo iptables-translate -A INPUT -m limit --limit 10/s --limit-burst 0
nft add rule ip filter INPUT limit rate 10/second burst 0 packets counter
Apply this patch, translation will become:
$ sudo iptables-translate -A INPUT -m limit --limit 10/s --limit-burst 5
nft add rule ip filter INPUT limit rate 10/second burst 5 packets counter
$ sudo iptables-translate -A INPUT -m limit --limit 10/s --limit-burst 0
nft add rule ip filter INPUT limit rate 10/second counter
Fixes: a8dfbe3a3acb ("extensions: libxt_limit: Add translation to nft")
Cc: Shivani Bhardwaj <shivanib134@gmail.com>
Signed-off-by: Liping Zhang <liping.zhang@spreadtrum.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Sync with latest *BSD release: https://gitweb.dragonflybsd.org/dragonfly.git/blob_plain/HEAD:/etc/pf.os
Changelog: http://cvsweb.openbsd.org/cgi-bin/cvsweb/src/etc/pf.os
Cc: Evgeniy Polyakov <johnpol@2ka.mxt.ru>
Cc: Jan Engelhardt <jengelh@medozas.de>
Cc: Pablo Neira Ayuso <pablo@netfilter.org>
Cc: netfilter-devel <netfilter-devel@vger.kernel.org>
Signed-off-by: Xose Vazquez Perez <xose.vazquez@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Add missing tests for NFQUEUE.
Signed-off-by: Shivani Bhardwaj <shivanib134@gmail.com>
Signed-off-by: Florian Westphal <fw@strlen.de>
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Iptables building is broken if either libmnl or libnftnl
is not installed on the system.
Configure script actually checks if libmnl and libnftnl are installed,
but doesn't exit if they are not.
Signed-off-by: Giuseppe Longo <giuseppelng@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Remove the stacking of older version into the newer one by adding the
appropriate code corresponding to each version.
Suggested-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Shivani Bhardwaj <shivanib134@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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NFQUEUE had a bug with the ordering of fanout and bypass options which
was arising due to same and odd values for flags and bypass when used
together. Because of this, during bitwise ANDing of flags and
NFQ_FLAG_CPU_FANOUT, the value always evaluated to false (since
NFQ_FLAG_CPU_FANOUT=0x02) and led to skipping of fanout option
whenever it was used before bypass because then flags would be 1.
Before this patch,
$ sudo iptables -A FORWARD -j NFQUEUE -p TCP --sport 80 --queue-balance 0:3 --queue-cpu-fanout --queue-bypass
Chain FORWARD (policy ACCEPT)
target prot opt source destination
NFQUEUE tcp -- anywhere anywhere tcp spt:http NFQUEUE balance 0:3 bypass
After this patch,
Chain FORWARD (policy ACCEPT)
target prot opt source destination
NFQUEUE tcp -- anywhere anywhere tcp spt:http NFQUEUE balance 0:3 bypass cpu-fanout
Closes bugzilla entry: http://bugzilla.netfilter.org/show_bug.cgi?id=939
Suggested-by: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: Shivani Bhardwaj <shivanib134@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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No need to print "nft" in function do_command_xlate,
if the function is called from iptables-restore-translate command.
Signed-off-by: Guruswamy Basavaiah <guru2018@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Command ./iptables-restore-translate, was printing
table name before the chain name for user added chains.
This is breaking ./nft -f command.
Before fix, output of "./iptables-restore-translate"
add chain ip OUTPUT_direct raw
After fix:
add chain ip raw OUTPUT_direct
Signed-off-by: Guruswamy Basavaiah <guru2018@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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SNAT section in iptables-extensions(8) already mentions this
but the main section did not.
Reported-by: Lion Yang <lion@aosc.io>
Signed-off-by: Florian Westphal <fw@strlen.de>
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The iptables command:
-m tcp --tcp-flags FIN,SYN,RST,PSH,ACK,URG NONE
should translate to:
tcp flags & fin|syn|rst|psh|ack|urg == 0x0
instead of:
tcp flags & fin|syn|rst|psh|ack|urg == none
Reported-by: Vadim A. Misbakh-Soloviov <netfilter@mva.name>
Signed-off-by: Arturo Borrero Gonzalez <arturo.borrero.glez@gmail.com>
Tested-by: Vadim A. Misbakh-Soloviov <netfilter@mva.name>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Add translation for TEE target to nft. However, there is a
problem with the output when using ip6tables-translate. I couldn't find a fix
for that.
Examples:
$ iptables-translate -t mangle -A PREROUTING \
-j TEE --gateway 192.168.0.2 --oif eth0
nft add rule ip mangle PREROUTING counter dup to 192.168.0.2 device eth0
$ iptables-translate -t mangle -A PREROUTING \
-j TEE --gateway 192.168.0.2
nft add rule ip mangle PREROUTING counter dup to 192.168.0.2
$ ip6tables-translate -t mangle -A PREROUTING \
-j TEE --gateway ab12:00a1:1112:acba::
nft add rule ip6 mangle PREROUTING counter dup to ab12:a1:1112:acba::
$ ip6tables-translate -t mangle -A PREROUTING \
-j TEE --gateway ab12:00a1:1112:acba:: --oif eth0
nft add rule ip6 mangle PREROUTING counter dup to ab12:a1:1112:acba:: device eth0
Signed-off-by: Roberto García <rodanber@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Initialize comment buffer when allocation the xt translation structure.
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Add the --disable-connlabel option and the appropriate functionality
associated with it.
After this patch, iptables configuration shows up as:
Iptables Configuration:
IPv4 support: yes
IPv6 support: yes
Devel support: yes
IPQ support: no
Large file support: yes
BPF utils support: no
nfsynproxy util support: no
nftables support: yes
connlabel support: yes
Signed-off-by: Shivani Bhardwaj <shivanib134@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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translation for iptables --flush
Examples: $ sudo
iptables-translate -F INPUT nft flush chain ip filter INPUT
$ sudo iptables-translate -F -t nat
nft flush table ip nat
Signed-off-by: Guruswamy Basavaiah <guru2018@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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the translation
Avoid to print the reject with value in the translation when the value
is the default.
Before this patch:
$ sudo ip6tables-translate -A FORWARD -p TCP --dport 22 -j REJECT
nft add rule ip6 filter FORWARD tcp dport 22 counter reject with icmpv6 type port-unreachable
After this patch:
$ sudo ip6tables-translate -A FORWARD -p TCP --dport 22 -j REJECT
nft add rule ip6 filter FORWARD tcp dport 22 counter reject
Signed-off-by: Laura Garcia Liebana <nevola@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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the translation
Avoid to print the reject with value in the translation when the value is the default.
Before this patch:
$ sudo iptables-translate -A FORWARD -p TCP --dport 22 -j REJECT
nft add rule ip filter FORWARD tcp dport 22 counter reject with icmp type port-unreachable
After this patch:
$ sudo iptables-translate -A FORWARD -p TCP --dport 22 -j REJECT
nft add rule ip filter FORWARD tcp dport 22 counter reject
Signed-off-by: Laura Garcia Liebana <nevola@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Add translation for icmp to nftables. Not supported icmp codes in nftables
are: network-unreachable, host-unreachable, protocol-unreachable,
port-unreachable, fragmentation-needed, source-route-failed,
network-unknown, host-unknown, network-prohibited, host-prohibited,
TOS-network-unreachable, TOS-host-unreachable, communication-prohibited,
host-precedence-violation, precedence-cutoff, network-redirect,
host-redirect, TOS-network-redirect, TOS-host-redirect,
ttl-zero-during-transit, ttl-zero-during-reassembly, ip-header-bad and required-option-missing.
Examples:
$ sudo iptables-translate -t filter -A INPUT -m icmp --icmp-type echo-reply -j ACCEPT
nft add rule ip filter INPUT icmp type echo-reply counter accept
$ sudo iptables-translate -t filter -A INPUT -m icmp --icmp-type 3 -j ACCEPT
nft add rule ip filter INPUT icmp type destination-unreachable counter accept
$ sudo iptables-translate -t filter -A INPUT -m icmp ! --icmp-type 3 -j ACCEPT
nft add rule ip filter INPUT icmp type != destination-unreachable counter accept
Signed-off-by: Laura Garcia Liebana <nevola@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Remove the log level when default is used
Before:
$ sudo iptables-translate -I INPUT -j LOG
nft add rule filter INPUT log level warning
After:
$ sudo iptables-translate -I INPUT -j LOG
nft add rule filter INPUT counter log
Signed-off-by: Roberto García <rodanber@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Avoid to print the log level in the translation when the level is the
default value.
Example:
$ sudo iptables-translate -t filter -A INPUT -m icmp ! --icmp-type 10 -j LOG
nft add rule ip filter INPUT icmp type != router-solicitation counter log
Signed-off-by: Laura Garcia Liebana <nevola@gmail.com>
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Reported by Debian lintian tool.
Signed-off-by: Arturo Borrero Gonzalez <arturo.borrero.glez@gmail.com>
Signed-off-by: Florian Westphal <fw@strlen.de>
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Reported by Debian lintian tool.
Signed-off-by: Arturo Borrero Gonzalez <arturo.borrero.glez@gmail.com>
Signed-off-by: Florian Westphal <fw@strlen.de>
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The multiport match needs it, this basically leaves ->xlate() indirection
with almost the same interface as ->print().
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Add translation for icmpv6 to nftables.
Not supported icmp codes in nftables are: no-route,
communication-prohibited, beyond-scope, address-unreachable,
port-unreachable, failed-policy, reject-route, ttl-zero-during-transit,
ttl-zero-during-reassembly, bad-header, unknown-header-type and
unknown-option.
Examples:
$ ip6tables-translate -t filter -A INPUT -m icmp6 --icmpv6-type 1 -j LOG
nft add rule ip6 filter INPUT icmpv6 type destination-unreachable counter log level warn
$ ip6tables-translate -t filter -A INPUT -m icmp6 --icmpv6-type neighbour-advertisement -j LOG
nft add rule ip6 filter INPUT icmpv6 type nd-neighbor-advert counter log level warn
$ ip6tables-translate -t filter -A INPUT -m icmp6 ! --icmpv6-type packet-too-big -j LOG
nft add rule ip6 filter INPUT icmpv6 type != packet-too-big counter log level warn
Signed-off-by: Laura Garcia Liebana <nevola@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Add translation for rt for options --rt-type, --rt-segsleft and --rt-len.
Examples:
$ sudo ip6tables-translate -A INPUT -m rt --rt-type 0 -j DROP
nft add rule ip6 filter INPUT rt type 0 counter drop
$ sudo ip6tables-translate -A INPUT -m rt ! --rt-len 22 -j DROP
nft add rule ip6 filter INPUT rt hdrlength != 22 counter drop
$ sudo ip6tables-translate -A INPUT -m rt --rt-segsleft 26 -j ACCEPT
nft add rule ip6 filter INPUT rt seg-left 26 counter accept
The xlate function returns 0 for other options.
Signed-off-by: Janani Ravichandran <janani.rvchndrn@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Add translation for dccp to nftables.
Full translation of this match awaits the support for --dccp-option.
Examples:
$ sudo iptables-translate -A INPUT -p dccp -m dccp --sport 100
nft add rule ip filter INPUT dccp sport 100 counter
$ sudo iptables-translate -A INPUT -p dccp -m dccp --dport 100:200
nft add rule ip filter INPUT dccp dport 100-200 counter
$ sudo iptables-translate -A INPUT -p dccp -m dccp ! --dport 100
nft add rule ip filter INPUT dccp dport != 100 counter
$ sudo iptables-translate -A INPUT -p dccp -m dccp --dport 100 --dccp-types REQUEST,RESPONSE,DATA,ACK,DATAACK,CLOSEREQ,CLOSE,SYNC,SYNCACK
nft add rule ip filter INPUT dccp dport 100 dccp type {request, response, data, ack, dataack, closereq, close, sync, syncack} counter
Signed-off-by: Shivani Bhardwaj <shivanib134@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Add translation for sctp to nftables.
Full translation of this match awaits the support for --chunk-types
option.
Examples:
$ sudo iptables-translate -A INPUT -p sctp --dport 80 -j DROP
nft add rule ip filter INPUT sctp dport 80 counter drop
$ sudo iptables-translate -A INPUT -p sctp ! --sport 80:100 -j ACCEPT
nft add rule ip filter INPUT sctp sport != 80-100 counter accept
Signed-off-by: Shivani Bhardwaj <shivanib134@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Add translation for module owner to nftables.
Full translation of this match awaits the support for --socket-exists
option.
Examples:
$ sudo iptables-translate -t nat -A OUTPUT -p tcp --dport 80 -m owner --uid-owner root -j ACCEPT
nft add rule ip nat OUTPUT tcp dport 80 skuid 0 counter accept
$ sudo iptables-translate -t nat -A OUTPUT -p tcp --dport 80 -m owner --gid-owner 0-10 -j ACCEPT
nft add rule ip nat OUTPUT tcp dport 80 skgid 0-10 counter accept
$ sudo iptables-translate -t nat -A OUTPUT -p tcp --dport 80 -m owner ! --uid-owner shivani -j ACCEPT
nft add rule ip nat OUTPUT tcp dport 80 skuid != 1000 counter accept
Signed-off-by: Shivani Bhardwaj <shivanib134@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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