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Add counter to set element instead of dropping it:
# nft -c -o -f test.nft
Merging:
test.nft:6:3-50: ip saddr 1.1.1.1 ip daddr 2.2.2.2 counter accept
test.nft:7:3-48: ip saddr 1.1.1.2 ip daddr 3.3.3.3 counter drop
into:
ip daddr . ip saddr vmap { 2.2.2.2 . 1.1.1.1 counter : accept, 3.3.3.3 . 1.1.1.2 counter : drop }
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Check expressions that are expected on the rhs rather than using a
catch-all default case.
Actually, lists and sets need to be their own routine, because this
needs the set element key expression to be merged.
This is a follow up to 99eb46969f3d ("optimize: fix vmap with anonymous
sets").
Fixes: 1542082e259b ("optimize: merge same selector with different verdict into verdict map")
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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The following example ruleset crashes:
table inet a {
chain b {
tcp dport { 1 } accept
tcp dport 2-3 drop
}
}
because handling for EXPR_SET is missing.
Fixes: 1542082e259b ("optimize: merge same selector with different verdict into verdict map")
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Transform:
ct state invalid drop
ct state established,related accept
into:
ct state vmap { established : accept, related : accept, invalid : drop }
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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