This patch reverts d0f14b5337e7 ("optimize: do not merge raw payload expressions") after adding support for concatenation with variable length TYPE_INTEGER. Signed-off-by: Pablo Neira Ayuso <pablo@xxxxxxxxxxxxx> --- v2: new in this series src/optimize.c | 3 -- .../optimizations/dumps/merge_vmap_raw.nft | 31 ++++++++++++++++++ .../testcases/optimizations/merge_vmap_raw | 32 +++++++++++++++++++ 3 files changed, 63 insertions(+), 3 deletions(-) create mode 100644 tests/shell/testcases/optimizations/dumps/merge_vmap_raw.nft create mode 100755 tests/shell/testcases/optimizations/merge_vmap_raw diff --git a/src/optimize.c b/src/optimize.c index 7a268c452226..4ad25fab6be4 100644 --- a/src/optimize.c +++ b/src/optimize.c @@ -40,9 +40,6 @@ static bool __expr_cmp(const struct expr *expr_a, const struct expr *expr_b) switch (expr_a->etype) { case EXPR_PAYLOAD: - /* disable until concatenation with integer works. */ - if (expr_a->payload.is_raw || expr_b->payload.is_raw) - return false; if (expr_a->payload.base != expr_b->payload.base) return false; if (expr_a->payload.offset != expr_b->payload.offset) diff --git a/tests/shell/testcases/optimizations/dumps/merge_vmap_raw.nft b/tests/shell/testcases/optimizations/dumps/merge_vmap_raw.nft new file mode 100644 index 000000000000..18847116eb50 --- /dev/null +++ b/tests/shell/testcases/optimizations/dumps/merge_vmap_raw.nft @@ -0,0 +1,31 @@ +table inet x { + chain nat_dns_dnstc { + meta l4proto udp redirect to :5300 + drop + } + + chain nat_dns_this_5301 { + meta l4proto udp redirect to :5301 + drop + } + + chain nat_dns_saturn_5301 { + meta nfproto ipv4 meta l4proto udp dnat ip to 240.0.1.2:5301 + drop + } + + chain nat_dns_saturn_5302 { + meta nfproto ipv4 meta l4proto udp dnat ip to 240.0.1.2:5302 + drop + } + + chain nat_dns_saturn_5303 { + meta nfproto ipv4 meta l4proto udp dnat ip to 240.0.1.2:5303 + drop + } + + chain nat_dns_acme { + udp length . @th,160,128 vmap { 47-63 . 0xe373135363130333131303735353203 : goto nat_dns_dnstc, 62-78 . 0xe31393032383939353831343037320e : goto nat_dns_this_5301, 62-78 . 0xe31363436323733373931323934300e : goto nat_dns_saturn_5301, 62-78 . 0xe32393535373539353636383732310e : goto nat_dns_saturn_5302, 62-78 . 0xe38353439353637323038363633390e : goto nat_dns_saturn_5303 } + drop + } +} diff --git a/tests/shell/testcases/optimizations/merge_vmap_raw b/tests/shell/testcases/optimizations/merge_vmap_raw new file mode 100755 index 000000000000..f3dc0721b94f --- /dev/null +++ b/tests/shell/testcases/optimizations/merge_vmap_raw @@ -0,0 +1,32 @@ +#!/bin/bash + +set -e + +RULESET="table inet x { + chain nat_dns_dnstc { meta l4proto udp redirect to :5300 ; drop ; } + chain nat_dns_this_5301 { meta l4proto udp redirect to :5301 ; drop ; } + chain nat_dns_saturn_5301 { meta nfproto ipv4 meta l4proto udp dnat to 240.0.1.2:5301 ; drop ; } + chain nat_dns_saturn_5302 { meta nfproto ipv4 meta l4proto udp dnat to 240.0.1.2:5302 ; drop ; } + chain nat_dns_saturn_5303 { meta nfproto ipv4 meta l4proto udp dnat to 240.0.1.2:5303 ; drop ; } + + chain nat_dns_acme { + udp length 47-63 @th,160,128 0x0e373135363130333131303735353203 \ + goto nat_dns_dnstc + + udp length 62-78 @th,160,128 0x0e31393032383939353831343037320e \ + goto nat_dns_this_5301 + + udp length 62-78 @th,160,128 0x0e31363436323733373931323934300e \ + goto nat_dns_saturn_5301 + + udp length 62-78 @th,160,128 0x0e32393535373539353636383732310e \ + goto nat_dns_saturn_5302 + + udp length 62-78 @th,160,128 0x0e38353439353637323038363633390e \ + goto nat_dns_saturn_5303 + + drop + } +}" + +$NFT -o -f - <<< $RULESET -- 2.30.2