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authorPablo Neira Ayuso <pablo@netfilter.org>2022-11-23 17:59:21 +0100
committerPablo Neira Ayuso <pablo@netfilter.org>2022-11-30 12:50:00 +0100
commit1017d323cafa6d4df34b9a2d0bea505e5253bc2b (patch)
tree56215f9c59d06c8e27691f6a3a015c32ad442b73 /tests/shell/testcases/nft-i
parentc327e9331e50d7b4d6cfd0a82fb38bec73703bfb (diff)
src: support for selectors with different byteorder with interval concatenations
Assuming the following interval set with concatenation: set test { typeof ip saddr . meta mark flags interval } then, the following rule: ip saddr . meta mark @test requires bytecode that swaps the byteorder for the meta mark selector in case the set contains intervals and concatenations. inet x y [ meta load nfproto => reg 1 ] [ cmp eq reg 1 0x00000002 ] [ payload load 4b @ network header + 12 => reg 1 ] [ meta load mark => reg 9 ] [ byteorder reg 9 = hton(reg 9, 4, 4) ] <----- this is required ! [ lookup reg 1 set test dreg 0 ] This patch updates byteorder_conversion() to add the unary expression that introduces the byteorder expression. Moreover, store the meta mark range component of the element tuple in the set in big endian as it is required for the range comparisons. Undo the byteorder swap in the netlink delinearize path to listing the meta mark values accordingly. Update tests/py to validate that byteorder expression is emitted in the bytecode. Update tests/shell to validate insertion and listing of a named map declaration. A similar commit 806ab081dc9a ("netlink: swap byteorder for host-endian concat data") already exists in the tree to handle this for strings with prefix (e.g. eth*). Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Diffstat (limited to 'tests/shell/testcases/nft-i')
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