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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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WHen I simplified the parser to restrict 'queue num' I forgot that
instead of range and immediate value its also allowed to pass in
a variable expression, e.g.
define myq = 0
add rule ... 'queue num $myq bypass'
Allow those as well and add a test case for this.
Fixes: 767f0af82a389 ("parser: restrict queue num expressiveness")
Reported-by: Amish <anon.amish@gmail.com>
Signed-off-by: Florian Westphal <fw@strlen.de>
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Sets that store flags might contain a mixture of values and binary
operations. Find the base value type via recursion to compare the
expressions.
Make sure concatenations are listed in a deterministic way via
concat_expr_msort_value() which builds a mpz value with the tuple.
Adjust a few tests after this update since listing differs after this
update.
Fixes: 14ee0a979b62 ("src: sort set elements in netlink_get_setelems()")
Fixes: 3926a3369bb5 ("mergesort: unbreak listing with binops")
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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nf_tables can handle payload exprs for sizes <= sizeof(u32) via a direct
operation from the eval loop, rather than a a call to the payload
expression. Two loads for four byte quantities are thus faster than a
single load for an 8 byte load.
ip saddr 1.2.3.4 ip daddr 2.3.4.5
is faster with this applied, even though it involves two payload and two
two compare expressions, just because all can be handled from the main
loop without any calls to expression ops.
Keep merging for linklayer and when at least one of the expressions
already exceeded the 4 byte "limit" anyway.
Signed-off-by: Florian Westphal <fw@strlen.de>
Acked-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Since 6dd848339444 ("src: meta: always prefix 'meta' for almost all
tokens"), the unqualified meta are discouraged. Adjust test not to fail.
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Complete the automated shell tests with the verification of
the test file dump, only for positive tests and if the test
execution was successful.
It's able to generate the dump file with the -g option.
Example:
# ./run-tests.sh -g testcases/chains/0001jumps_0
The dump files are generated in the same path in the folder named
dumps/ with .nft extension.
It has been avoided the dump verification code in every test
file.
Signed-off-by: Laura Garcia Liebana <nevola@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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