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* optimize: more robust statement merge with vmapPablo Neira Ayuso2022-03-031-0/+1
| | | | | | | | | | | | | | 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>
* optimize: fix vmap with anonymous setsPablo Neira Ayuso2022-03-031-0/+4
| | | | | | | | | | | | | | | | 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>
* optimize: merge same selector with different verdict into verdict mapPablo Neira Ayuso2022-01-151-0/+12
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>