| Commit message (Collapse) | Author | Age | Files | Lines |
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tcp option <foo> kind ... never makes any sense, as "tcp option <foo>"
already tells the kernel to look for the foo <kind>.
"tcp option sack kind 5" matches if the sack option is present; its a
more complicated form of the simpler "tcp option sack exists".
"tcp option sack kind 1" (or any other value than 5) will never match.
So remove this.
Test cases are converted to "exists".
Signed-off-by: Florian Westphal <fw@strlen.de>
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Add missing "ih" base raw payload and extend tests/py to cover this new
usecase.
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Missing update of json test.
Fixes: 6ad2058da66a ("datatype: add xinteger_type alias to print in hexadecimal")
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Add an alias of the integer type to print raw payload expressions in
hexadecimal.
Update tests/py.
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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The documentation describes the syntax of limit statements thus:
limit rate [over] packet_number / TIME_UNIT [burst packet_number packets]
limit rate [over] byte_number BYTE_UNIT / TIME_UNIT [burst byte_number BYTE_UNIT]
TIME_UNIT := second | minute | hour | day
BYTE_UNIT := bytes | kbytes | mbytes
From this one might infer that a limit may be specified by any of the
following:
limit rate 1048576/second
limit rate 1048576 mbytes/second
limit rate 1048576 / second
limit rate 1048576 mbytes / second
However, the last does not currently parse:
$ sudo /usr/sbin/nft add filter input limit rate 1048576 mbytes / second
Error: wrong rate format
add filter input limit rate 1048576 mbytes / second
^^^^^^^^^^^^^^^^^^^^^^^^^
Extend the `limit_rate_bytes` parser rule to support it, and add some
new Python test-cases.
Signed-off-by: Jeremy Sowden <jeremy@azazel.net>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Add userspace support for the netdev egress hook which is queued up for
v5.16-rc1, complete with documentation and tests. Usage is identical to
the ingress hook.
Signed-off-by: Lukas Wunner <lukas@wunner.de>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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The fwd and dup statements are specific to netdev hooks, so move their
tests to the appropriate subdirectory.
Signed-off-by: Lukas Wunner <lukas@wunner.de>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Since 309785674b25 ("datatype: time_print() ignores -T"), time_type
honors -T option. Given tests/py run in numeric format, this patch
fixes a warning since the ct expiration is now expressed in seconds.
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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A prefix of integer type is big-endian in nature. Prefix match can be
optimized to truncated 'cmp' only if it is big-endian.
[ Add one tests/py for this use-case --pablo ]
Fixes: 25338cdb6c77 ("src: Optimize prefix matches on byte-boundaries")
Signed-off-by: Xiao Liang <shaw.leon@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Print queue statement using the 'queue ... to' syntax to consolidate the
syntax around Florian's proposal introduced in 6cf0f2c17bfb ("src:
queue: allow use of arbitrary queue expressions").
Retain backward compatibility, 'queue num' syntax is still allowed.
Update and add new tests.
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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# nft add rule x y tcp option 6 exists
# nft list ruleset
nft: tcpopt.c:208: tcpopt_init_raw: Assertion `expr->exthdr.desc != NULL' failed.
Aborted
Closes: https://bugzilla.netfilter.org/show_bug.cgi?id=1557
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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This allows to chose a queue number at run time using map statements,
e.g.:
queue flags bypass to ip saddr map { 192.168.7/24 : 0, 192.168.0/24 : 1 }
Signed-off-by: Florian Westphal <fw@strlen.de>
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Signed-off-by: Florian Westphal <fw@strlen.de>
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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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Previous patches added "8021ad" mnemonic for IEEE 802.1AD frame type.
This adds the 8021q shorthand for the existing 'vlan' frame type.
nft will continue to recognize 'ether type vlan', but listing
will now print 8021q.
Adjust all test cases accordingly.
Suggested-by: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: Florian Westphal <fw@strlen.de>
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It is closed after allocation, which is too early: this
stopped 'packets' and 'bytes' from getting parsed correctly.
Also add a test case for this.
Signed-off-by: Florian Westphal <fw@strlen.de>
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JSON equivalent for recently added test of the '!' shortcut was missing.
Fixes: e6c32b2fa0b82 ("src: add negation match on singleton bitmask value")
Signed-off-by: Phil Sutter <phil@nwl.cc>
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In combination with libnftnl's commit "set_elem: Fix printing of verdict
map elements", This adds the vmap target to netlink dumps. Adjust dumps
in tests/py accordingly.
Signed-off-by: Phil Sutter <phil@nwl.cc>
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This patch provides a shortcut for:
ct status and dnat == 0
which allows to check for the packet whose dnat bit is unset:
# nft add rule x y ct status ! dnat counter
This operation is only available for expression with a bitmask basetype, eg.
# nft describe ct status
ct expression, datatype ct_status (conntrack status) (basetype bitmask, integer), 32 bits
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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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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The default burst value is non-zero, so JSON output should include it.
Signed-off-by: Phil Sutter <phil@nwl.cc>
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Kernel won't search for tcp options in non-tcp packets.
Signed-off-by: Florian Westphal <fw@strlen.de>
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The ratelimiter in nftables is similar to the one in iptables, and
iptables disallows a zero burst.
Update the byte rate limiter not to print burst 5 (default value).
Update tests/py payloads to print burst 5 instead of zero when the
burst is unspecified.
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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libnftnl has been changed to bring the format of registers in bitwise
dumps in line with those in other types of expression. Update the
expected output of Python test-cases.
Signed-off-by: Jeremy Sowden <jeremy@azazel.net>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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nft-test.py only needs one payload per rule, but a number of rules have
duplicates, typically one per address family, so just keep the last
payload for rules listed more than once.
Signed-off-by: Jeremy Sowden <jeremy@azazel.net>
Signed-off-by: Florian Westphal <fw@strlen.de>
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To similar change as in previous one, this time for the
jason (de)serialization.
Re-uses the raw payload match syntax, i.e. base,offset,length.
Signed-off-by: Florian Westphal <fw@strlen.de>
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tcp option @42,16,4 (@kind,offset,length).
Signed-off-by: Florian Westphal <fw@strlen.de>
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nft currently doesn't allow to check for presence of arbitrary tcp options.
Only known options where nft provides a template can be tested for.
This allows to test for presence of raw protocol values as well.
Example:
tcp option 42 exists
Signed-off-by: Florian Westphal <fw@strlen.de>
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'nop' is the tcp padding "option". "noop" is retained for compatibility
on parser side.
Signed-off-by: Florian Westphal <fw@strlen.de>
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One was added by the tcp option parsing ocde, the other by synproxy.
So we have:
synproxy ... sack-perm
synproxy ... mss
and
tcp option maxseg
tcp option sack-permitted
This kills the extra tokens on the scanner/parser side,
so sack-perm and sack-permitted can both be used.
Likewise, 'synproxy maxseg' and 'tcp option mss size 42' will work too.
On the output side, the shorter form is now preferred, i.e. sack-perm
and mss.
Signed-off-by: Florian Westphal <fw@strlen.de>
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Fixes: 741a06ac15d2 ("mergesort: find base value expression type via recursion")
Signed-off-by: Jeremy Sowden <jeremy@azazel.net>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Fixes: dcec7d57559a ("ct: Add support for the 'id' key")
Signed-off-by: Jeremy Sowden <jeremy@azazel.net>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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The 'id' key allows for matching on the id of the conntrack entry.
v2: Remove ct_id_type
Signed-off-by: Brett Mastbergen <brett.mastbergen@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Merge tcpopt.t files in ip, ip6 and inet into a common one, they were
just marignally different.
Signed-off-by: Phil Sutter <phil@nwl.cc>
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When setting a fixed timezone, JSON expected output for one (known)
asymmetric rule was left out by accident.
Fixes: 7e326d697ecf4 ("tests/py: Set a fixed timezone in nft-test.py")
Signed-off-by: Phil Sutter <phil@nwl.cc>
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Endianness is not meaningful for objects smaller than 2 bytes and the
byte-order conversions are no-ops in the kernel, so just update the
expression as if it were constant.
Signed-off-by: Jeremy Sowden <jeremy@azazel.net>
Signed-off-by: Florian Westphal <fw@strlen.de>
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Add a couple of Python test-cases for setting the CT mark to a bitwise
expression derived from the packet mark and vice versa.
Signed-off-by: Jeremy Sowden <jeremy@azazel.net>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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The JSON output was missing for some existing tests.
Signed-off-by: Jeremy Sowden <jeremy@azazel.net>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Payload generated for 'meta time' matches depends on host's timezone and
DST setting. To produce constant output, set a fixed timezone in
nft-test.py. Choose UTC-2 since most payloads are correct then, adjust
the remaining two tests.
Fixes: 0518ea3f70d8c ("tests: add meta time test cases")
Signed-off-by: Phil Sutter <phil@nwl.cc>
Acked-by: Ander Juaristi <a@juaristi.eus>
Acked-by: Pablo Neira Ayuso <pablo@netfilter.org>
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We only prefer "list" representation in "ct event". For any other type of "ct"
use the "or" representation so nft prints "ct mark set ct mark | 0x00000001"
instead of "ct mark set ct mark,0x00000001".
Link: https://bugzilla.netfilter.org/show_bug.cgi?id=1364
Fixes: cb8f81ac3079 ("netlink_delinearize: prefer ct event set foo,bar over 'set foo|bar'")
Signed-off-by: Fernando Fernandez Mancera <ffmancera@riseup.net>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Signed-off-by: Florian Westphal <fw@strlen.de>
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Signed-off-by: Ander Juaristi <a@juaristi.eus>
Signed-off-by: Florian Westphal <fw@strlen.de>
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Forgot to add a json test case for the recently added ct ip addr in map case.
Fix up rawpayload.t for json, it needs to expect new "th dport" when
listing.
Reported-by: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: Florian Westphal <fw@strlen.de>
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Problem: Its not possible to easily match both udp and tcp in a single
rule.
... input ip protocol { tcp,udp } dport 53
will not work, as bison expects "tcp dport" or "sctp dport", or any
other transport protocol name.
Its possible to match the sport and dport via raw payload expressions,
e.g.:
... input ip protocol { tcp,udp } @th,16,16 53
but its not very readable.
Furthermore, its not possible to use this for set definitions:
table inet filter {
set myset {
type ipv4_addr . inet_proto . inet_service
}
chain forward {
type filter hook forward priority filter; policy accept;
ip daddr . ip protocol . @th,0,16 @myset
}
}
# nft -f test
test:7:26-35: Error: can not use variable sized data types (integer) in concat expressions
During the netfilter workshop Pablo suggested to add an alias to do raw
sport/dport matching more readable, and make it use the inet_service
type automatically.
So, this change makes @th,0,16 work for the set definition case by
setting the data type to inet_service.
A new "th s|dport" syntax is provided as readable alternative:
ip protocol { tcp, udp } th dport 53
As "th" is an alias for the raw expression, no dependency is
generated -- its the users responsibility to add a suitable test to
select the l4 header types that should be matched.
Suggested-by: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: Florian Westphal <fw@strlen.de>
Acked-by: Pablo Neira Ayuso <pablo@netfilter.org>
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These keys are available since kernel >= 4.17.
You can still use NFT_CT_{SRC,DST}, however, you need to specify 'meta
protocol' in first place to provide layer 3 context.
Note that NFT_CT_{SRC,DST} are broken with set, maps and concatenations.
This patch is implicitly fixing these cases.
If your kernel is < 4.17, you can still use address matching via
explicit meta nfproto:
meta nfproto ipv4 ct original saddr 1.2.3.4
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Recent patch removing single element set use missed to adjust JSON
equivalents accordingly.
Fixes: 27f6a4c68b4fd ("tests: replace single element sets")
Signed-off-by: Phil Sutter <phil@nwl.cc>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Add at least two elements to sets.
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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