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This is a temporary workaround mechanism until variable interface
hardware address length can be handled through nftables. This
defaults on the length of EUI-64 mac address, which should be the
most common usage until this is appropriately fixed for all type
of layer 2 addresses.
Signed-off-by: Tomasz Bursztyka <tomasz.bursztyka@linux.intel.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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This fixes such warning:
xtables-arp.c: In function ‘check_inverse’:
xtables-arp.c:561:54: attention : declaration of ‘optind’ shadows a
global declaration [-Wshadow]
Signed-off-by: Tomasz Bursztyka <tomasz.bursztyka@linux.intel.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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This patch replaces strcat with strncat and strcpy with strncpy
fixing possible string overflow.
Based on the original patch:
http://patchwork.ozlabs.org/patch/279672/
from Jaromír Končický via Jiri Popelka.
Signed-off-by: Giuseppe Longo <giuseppelng@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Target never gets its options parsed.
Signed-off-by: Tomasz Bursztyka <tomasz.bursztyka@linux.intel.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Fixes a segfault issue when deleting a rule.
Signed-off-by: Tomasz Bursztyka <tomasz.bursztyka@linux.intel.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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This small patch permit to reset the chain counters.
Signed-off-by: Giuseppe Longo <giuseppelng@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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The following patch permit to delete the rules specifying
an entry or a rule number.
Signed-off-by: Giuseppe Longo <giuseppelng@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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The following patch permit to replace rule in xtables-arp.
Signed-off-by: Giuseppe Longo <giuseppelng@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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This should help to avoid code duplication to support ARP.
As a result, we have a common generic infrastructure for
IPv4, IPv6 and ARP.
This patch removes nft_arp_rule_append and nft_arp_rule_insert,
which were very similar to their original nft_rule_append and
nft_rule_insert.
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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The following patch implements the is_same operation
for ARP family needed for searching arp rule.
Signed-off-by: Giuseppe Longo <giuseppelng@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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This patch bootstraps ARP support for the compatibility layer:
1) copy original arptables code into xtables-arp.c
2) adapt it to fit into the existing nft infrastructure.
3) add the builtin table/chains for ARP.
4) add necessary parts so xtables-multi can provide xtables-arp.
5) add basic support for rule addition (-A), insertion (-I) and
listing (-L).
[ This was originally posted in a series of patches with interdependencies
that I have collapsed to leave the repository in consistent state. This
patch includes the following changes I made:
* Rename from xtables-arptables to xtables-arp, previous name too long.
* Remove nft-arptables.c, now we have one single nft-arp.c file. Moved
specific ARP functions to nft.c. Those should go away at some point as
some refactorization should allow to accomodate those functions to the
existing infrastructure.
* Fix --opcode Request/Reply, so we can do something useful with this
like dropping ARP request/replies.
--pablo ]
Signed-off-by: Giuseppe Longo <giuseppelng@gmail.com>
Signed-off-by: Tomasz Bursztyka <tomasz.bursztyka@linux.intel.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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