diff options
| author | Pablo Neira Ayuso <pablo@netfilter.org> | 2016-12-14 01:12:43 +0100 |
|---|---|---|
| committer | Pablo Neira Ayuso <pablo@netfilter.org> | 2016-12-16 20:20:18 +0100 |
| commit | 68de70f2b3fc64b7016da48530946165c9986780 (patch) | |
| tree | 673fa9accd34c9600a078e20f66cbc78f0e9bf57 | |
| parent | 1fddd03cf36122e5ff669e5083ed7af6408cacec (diff) | |
netlink_linearize: fix IPv6 layer 4 checksum mangling
In IPv6 there is no checksum field. We always have to trigger layer 4
checksum mangling if any of the layer 3 pseudoheader fields are updated.
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
| -rw-r--r-- | src/netlink_linearize.c | 9 |
1 files changed, 4 insertions, 5 deletions
diff --git a/src/netlink_linearize.c b/src/netlink_linearize.c index 4a0001a4..0915038f 100644 --- a/src/netlink_linearize.c +++ b/src/netlink_linearize.c @@ -806,12 +806,11 @@ static void netlink_gen_payload_stmt(struct netlink_linearize_ctx *ctx, NFT_PAYLOAD_CSUM_INET); nftnl_expr_set_u32(nle, NFTNL_EXPR_PAYLOAD_CSUM_OFFSET, csum_off / BITS_PER_BYTE); - - if (expr->payload.base == PROTO_BASE_NETWORK_HDR && - payload_needs_l4csum_update_pseudohdr(expr, desc)) - nftnl_expr_set_u32(nle, NFTNL_EXPR_PAYLOAD_FLAGS, - NFT_PAYLOAD_L4CSUM_PSEUDOHDR); } + if (expr->payload.base == PROTO_BASE_NETWORK_HDR && + payload_needs_l4csum_update_pseudohdr(expr, desc)) + nftnl_expr_set_u32(nle, NFTNL_EXPR_PAYLOAD_FLAGS, + NFT_PAYLOAD_L4CSUM_PSEUDOHDR); nftnl_rule_add_expr(ctx->nlr, nle); } |