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Check that nft doesn't remove the dependency in these cases:
icmp type echo-reply icmp id 1
("icmp id" matches both echo request and reply).
Add icmpv6 test cases. These fail without the previous patches:
add rule ip6 test-ip6 input icmpv6 id 1:
'icmpv6 id 1' mismatches
'icmpv6 type { echo-request, echo-reply} icmpv6 parameter-problem 65536/16'
add rule ip6 test-ip6 input icmpv6 type echo-reply icmpv6 id 65534':
'icmpv6 type echo-reply icmpv6 id 65534' mismatches
'icmpv6 type echo-reply @th,32,16 65534'
Signed-off-by: Florian Westphal <fw@strlen.de>
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Check for
... 23-42 ...
... { 23-42 } ...
and remove the latter. Followup patch will translate the former to the
latter during evaluation step to avoid the unneded anon set.
A separate test case will be added that checks for such rewrites.
Signed-off-by: Florian Westphal <fw@strlen.de>
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This is just basic housekeeping:
- Remove duplicate tests in any of the *.t files
- Remove explicit output if equal to command itself in *.t files
- Remove duplicate payload records in any of the *.t.payload* files
- Remove stale payload records (for which no commands exist in the
respective *.t file
- Remove duplicate/stale entries in any of the *.t.json files
In some cases, tests were added instead of removing a stale payload
record if it fit nicely into the sequence of tests.
Signed-off-by: Phil Sutter <phil@nwl.cc>
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These tests fail: nft should leave the type as-is.
Signed-off-by: Florian Westphal <fw@strlen.de>
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If dependency is already fulfilled, do not add another one.
Signed-off-by: Florian Westphal <fw@strlen.de>
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These are two 2-byte matches, so nft will merge the accesses to
a single 4-byte load+compare.
Check this is properly demangled.
Signed-off-by: Florian Westphal <fw@strlen.de>
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after previous change nft will insert explicit icmp type match.
Signed-off-by: Florian Westphal <fw@strlen.de>
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This enables to send icmp frag-needed messages using reject target.
I have a bridge with connects an gretap tunnel with some ethernet lan.
On the gretap device I use ignore-df to avoid packets being lost without
icmp reject to the sender of the bridged packet.
Still I want to avoid packet fragmentation with the gretap packets.
So I though about adding an nftables rule like this:
nft insert rule bridge filter FORWARD \
ip protocol tcp \
ip length > 1400 \
ip frag-off & 0x4000 != 0 \
reject with icmp type frag-needed
This would reject all tcp packets with ip dont-fragment bit set that are
bigger than some threshold (here 1400 bytes). The sender would then receive
ICMP unreachable - fragmentation needed and reduce its packet size (as
defined with PMTU).
[ pablo: update tests/py ]
Signed-off-by: Michael Braun <michael-dev@fami-braun.de>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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This reverts commit d03bcb669c0c645190df9bd166f53380bcac7862.
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future change will rewrite all single-element anon sets to a cmp op.
Retain a few test cases to later check that the rewrite is correct, but
remove all others.
Signed-off-by: Florian Westphal <fw@strlen.de>
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Andrew A. Sabitov says:
I'd like to use a set (concatenation) of icmpv6 type and icmpv6 code
and check incoming icmpv6 traffic against it:
add set inet fw in_icmpv6_types { type icmpv6_type . icmpv6_code; }
add element inet fw in_icmpv6_types { 1 . 0 } # no route to destination
add element inet fw in_icmpv6_types { 1 . 1 } # communication with destination administratively prohibited
# ...
add rule inet fw in_icmpv6 icmpv6 type . icmpv6 code @in_icmpv6_types \
limit rate 15/minute accept
yields:
Error: can not use variable sized data types (integer) in concat expressions
icmpv6 type . icmpv6 code @in_icmpv6_types
~~~~~~~~~~~~~~^^^^^^^^^^^
Change 'code' type to the icmp/icmpv6 code type.
Needs minor change to test suite as nft will now display
human-readable names instead of numeric codes.
Closes: https://bugzilla.netfilter.org/show_bug.cgi?id=1276
Signed-off-by: Florian Westphal <fw@strlen.de>
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We can delete some of the payload files now as ip/ip6/inet produce
same implicit meta l4proto dep.
Signed-off-by: Florian Westphal <fw@strlen.de>
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Many testcases were masked because of bug #888. This series of patches unmasks
them
Signed-off-by: Anatole Denis <anatole@rezel.net>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Remove null and zero flags from tests, to reduce the noise when running
tests.
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Use new range expression in the kernel to fix wrong bytecode generation.
This patch also adjust tests so we don't hit problems there.
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Original patch posted in the mailing list from Patrick, I have refreshed
this so it applies on top of current HEAD.
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Introduced by 039f818fc88010 ("proto: Add router advertisement and solicitation
icmp types").
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Rearrange the directory to obtain a better organization of files and
tests-suites.
We end with a tree like this:
tests
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.--- py
.--- shell
.--- files
This was suggested by Pablo.
Signed-off-by: Arturo Borrero Gonzalez <arturo.borrero.glez@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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