| Commit message (Collapse) | Author | Age | Files | Lines |
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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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Burst can be either bytes or packets, depending on the rate limit unit.
# nft add rule x y iif eth0 limit rate 512 kbytes/second burst 5 packets
Error: syntax error, unexpected packets, expecting string or bytes
add rule x y iif eth0 limit rate 512 kbytes/second burst 5 packets
^^^^^^^
Closes: https://bugzilla.netfilter.org/show_bug.cgi?id=1306
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Signed-off-by: Florian Westphal <fw@strlen.de>
Acked-by: Pablo Neira Ayuso <pablo@netfilter.org>
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This special operator is required for cases where missing operator does
not lead to same results as equal operator, i.e. with bitmasks on RHS.
Signed-off-by: Phil Sutter <phil@nwl.cc>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Instead of the generic "left" and "right", use "key" and "value".
Signed-off-by: Phil Sutter <phil@nwl.cc>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Change the rather generic "left" and "right" into "key" and "data" as
suggested at NFWS.
Signed-off-by: Phil Sutter <phil@nwl.cc>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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For raw payloads, property "name" is not needed, it's clearly identified
by base/offset/len properties.
In non-raw payload expressions, rename property "name" to "protocol" as
suggested during NFWS.
Signed-off-by: Phil Sutter <phil@nwl.cc>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Lessons learned from fwd statement: We must not assume a given
statement/expression may not receive further properties in the future.
Therefore make meta value an object with a property "key" instead of
just a string containing the key name.
Signed-off-by: Phil Sutter <phil@nwl.cc>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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got following bug report:
nft add ... ct mark set mark and 0x10
... always sets 0.
What reporter meant to write instead was 'ct mark', not 'mark'.
We can't just remove support for 'mark' and force
'meta mark', but we can start to discourage it by printing meta prefix too.
Later on, we could start to print deprecation warning if needed.
Followup patch can also change
"iifname" etc. to "meta iifname".
Signed-off-by: Florian Westphal <fw@strlen.de>
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JSON equivalent of fwd statement was too primitive to support the added
address and family parameters, so make its value an object and accept
the device expression as value of a "dev" property in there. Then add
optional "addr" and "family" properties to it.
While being at it, add a testcase to make sure the extended syntax works
right.
Signed-off-by: Phil Sutter <phil@nwl.cc>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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This way JSON format is more consistent with the standard one.
Signed-off-by: Phil Sutter <phil@nwl.cc>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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This is implemented via a pseudo log level. The kernel ignores any other
parameter, so reject those at evaluation stage. Audit logging is
therefore simply a matter of:
| log level audit
Signed-off-by: Phil Sutter <phil@nwl.cc>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Commit 71624f25f22b1 ("tests: py: add expires tests with different time
bases") removed two testcases and added five other ones, adjust JSON
equivalent and recorded output to those changes.
Fixes: 71624f25f22b1 ("tests: py: add expires tests with different time bases")
Signed-off-by: Phil Sutter <phil@nwl.cc>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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This extends nft-test.py by optional JSON testing capabilities,
activated via '-j'/'--enable-json' parameter).
JSON testing happens for all rules which are supposed to work: After a
rule has been added and the existing tests (payload, ruleset listing
output) have been performed, basically the same test is done again using
a recorded JSON equivalent and (if necessary) a recorded listing output.
The code tries to ease new test case creation overhead by
auto-generating JSON equivalent input via listing the (non-JSON) rule in
JSON format. Also, differing netlink debug and listing output are stored
in *.got files to assist in analyzing/fixing failing test cases.
Signed-off-by: Phil Sutter <phil@nwl.cc>
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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This adds a simple nftables Python class in py/nftables.py which gives
access to libnftables API via ctypes module.
nft-test.py is extended to make use of the above class instead of
calling nft binary. Since command line formatting had to be touched
anyway, this patch also streamlines things a bit by introducing
__str__ methods to classes Table and Chain and making extensive use of
format strings instead of onerously adding all string parts together.
Since the called commands don't see a shell anymore, all shell meta
character escaping done in testcases is removed.
The visible effects of this change are:
* Four new warnings in ip/flowtable.t due to changing objref IDs (will
be addressed later in a patch to libnftnl).
* Reported command line in warning and error messages changed slightly
for obvious reasons.
* Reduction of a full test run's runtime by a factor of four. Status
diff after running with 'time':
< 83 test files, 77 files passed, 1724 unit tests, 0 error, 33 warning
< 87.23user 696.13system 15:11.82elapsed 85%CPU (0avgtext+0avgdata 9604maxresident)k
< 8inputs+36800outputs (0major+35171235minor)pagefaults 0swaps
> 83 test files, 77 files passed, 1724 unit tests, 4 error, 33 warning
> 6.80user 30.18system 3:45.86elapsed 16%CPU (0avgtext+0avgdata 14064maxresident)k
> 0inputs+35808outputs (0major+2874minor)pagefaults 0swaps
Signed-off-by: Phil Sutter <phil@nwl.cc>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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nft-test.py currently fails to properly compare tests involving a set,
after that bug is fixed these lines would fail, so fix this up before.
Signed-off-by: Florian Westphal <fw@strlen.de>
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when explicitly filtering icmp-in-ipv6 and icmp6-in-ip don't remove the
required l3 protocol dependency, else "nft list ruleset" can't be read
via nft -f anymore.
Signed-off-by: Florian Westphal <fw@strlen.de>
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Signed-off-by: Florian Westphal <fw@strlen.de>
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commit fb16c8b7f795e0d
("evaluate: Enable automerge feature for anonymous sets") re-enabled
merging of adjacent ranges, so 33-55, 56-88 turns into 33-88.
Update test case to reflect this.
Signed-off-by: Florian Westphal <fw@strlen.de>
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Previously, when adding multiple ranges to a set they were merged if
overlapping or adjacent. This might cause inconvenience though since it
is afterwards not easily possible anymore to remove one of the merged
ranges again while keeping the others in place.
Since it is not possible to have overlapping ranges, this patch adds a
check for newly added ranges to make sure they don't overlap if merging
is turned off.
Note that it is not possible (yet?) to enable range merging using nft
tool.
Testsuite had to be adjusted as well: One test in tests/py changed avoid
adding overlapping ranges and the test in tests/shell which explicitly
tests for this feature dropped.
Signed-off-by: Phil Sutter <phil@nwl.cc>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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This patch add tests for empty string match which fails with error "Empty
string is not allowed".
Signed-off-by: Harsha Sharma <harshasharmaiitr@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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'ct event set label' and 'ct event set new or label' work, but
'ct event set new, label' did not:
nft add rule filter input ct event set new,label
Error: syntax error, unexpected label
This changes the definition to also contain keyword symbol expressions.
Signed-off-by: Florian Westphal <fw@strlen.de>
Acked-by: Pablo Neira Ayuso <pablo@netfilter.org>
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The patch also reorganizes ip/objects.t file.
Signed-off-by: Pablo M. Bermudo Garay <pablombg@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Followup patch will reject meta nfproto for non-inet families.
Signed-off-by: Florian Westphal <fw@strlen.de>
Acked-by: Pablo Neira Ayuso <pablo@netfilter.org>
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any/ct.t: ERROR: line 94: src/nft add rule --debug=netlink ip6
test-ip6 output meta nfproto ipv4 ct original saddr 1.2.3.4: This rule should not have failed.
Actually, this failure is "ok; we can't find upper layer protocol
in this case, but even if we'd "fix" this it is still non-sensical,
meta nfproto ipv4, but family is ipv6 --> rule would never match.
First move this to an inet-specific test.
A followup patch will reject meta nfproto for all families except inet.
Reported-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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This test checks bug identified and fixed in the commit mentioned below
In a statement if there are multiple src data then it would be
totally ambiguous to decide which value to set.
Before the commit was made it returned 134(BUG), but now it returns 1
i.e, an error message.
Following rules tests ambiguity while setting the value:
$ sudo nft add rule ip test-ip4 output ct mark set {0x11333, 0x11}
<cmdline>:1:41-55: Error: you cannot use a set here, unknown value to use
add rule ip test-ip4 output ct mark set {0x11333, 0x11}
~~~~~~~~~~~~^^^^^^^^^^^^^^^
Test: 986dea8 ("evaluate: avoid reference to multiple src data in
statements which set values")
Signed-off-by: Shyam Saini <mayhs11saini@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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ct status isn't named 'statusmask' either.
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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"ct orignal saddr" has an invalid data type, as the address can be either ipv4 or ipv6.
For some cases we could infer it from the rhs, but there are cases where we don't have any
information, e.g. when passing ct original saddr to jhash expression.
So do the same thing that we do for "rt nexthop" -- error out and hint to user
they need to specifiy the desired address type with "meta nfproto".
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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nft add rule ip6 f i meta l4proto ipv6-icmp icmpv6 type nd-router-advert
<cmdline>:1:50-60: Error: conflicting protocols specified: unknown vs. icmpv6
add icmpv6 to nexthdr list so base gets updated correctly.
Reported-by: Thomas Woerner <twoerner@redhat.com>
Signed-off-by: Florian Westphal <fw@strlen.de>
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Signed-off-by: Florian Westphal <fw@strlen.de>
Acked-by: Pablo Neira Ayuso <pablo@netfilter.org>
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