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If the data in the mapping contains a range, then upgrade value to range.
Otherwise, the following error is displayed:
/dev/stdin:11:57-75: Error: Could not process rule: Invalid argument
dnat ip to iifname . ip saddr map { enp2s0 . 10.1.1.136 : 1.1.2.69, enp2s0 . 10.1.1.1-10.1.1.135 : 1.1.2.66-1.84.236.78 }
^^^^^^^^^^^^^^^^^^^
The kernel rejects this command because userspace sends a single value
while the kernel expects the range that represents the min and the max
IP address to be used for NAT. The upgrade is also done when concatenation
with intervals is used in the rhs of the mapping.
For anonymous sets, expansion cannot be done from expr_evaluate_mapping()
because the EXPR_F_INTERVAL flag is inferred from the elements. For
explicit sets, this can be done from expr_evaluate_mapping() because the
user already specifies the interval flag in the rhs of the map definition.
Update tests/shell and tests/py to improve testing coverage in this case.
Fixes: 9599d9d25a6b ("src: NAT support for intervals in maps")
Fixes: 66746e7dedeb ("src: support for nat with interval concatenation")
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Missing json update for three new tests added recently.
Fixes: 640dc0c8a3da ("tests: py: extend coverage for dnat with classic range representation")
Signed-off-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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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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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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