From a02f8c3f6456e9a84a6c3117f2539376b152ba1f Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?M=C3=A1t=C3=A9=20Eckl?= Date: Thu, 31 May 2018 20:06:16 +0200 Subject: src: Introduce socket matching MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit For now it can only match sockets with IP(V6)_TRANSPARENT socket option set. Example: table inet sockin { chain sockchain { type filter hook prerouting priority -150; policy accept; socket transparent 1 mark set 0x00000001 nftrace set 1 counter packets 9 bytes 504 accept } } Signed-off-by: Máté Eckl Signed-off-by: Pablo Neira Ayuso --- src/evaluate.c | 9 +++++++++ 1 file changed, 9 insertions(+) (limited to 'src/evaluate.c') diff --git a/src/evaluate.c b/src/evaluate.c index ba218ecb..27e4f611 100644 --- a/src/evaluate.c +++ b/src/evaluate.c @@ -1712,6 +1712,13 @@ static int expr_evaluate_meta(struct eval_ctx *ctx, struct expr **exprp) return expr_evaluate_primary(ctx, exprp); } +static int expr_evaluate_socket(struct eval_ctx *ctx, struct expr **expr) +{ + __expr_set_context(&ctx->ectx, (*expr)->dtype, (*expr)->byteorder, + (*expr)->len, 1); + return 0; +} + static int expr_evaluate_variable(struct eval_ctx *ctx, struct expr **exprp) { struct expr *new = expr_clone((*exprp)->sym->expr); @@ -1749,6 +1756,8 @@ static int expr_evaluate(struct eval_ctx *ctx, struct expr **expr) return expr_evaluate_primary(ctx, expr); case EXPR_META: return expr_evaluate_meta(ctx, expr); + case EXPR_SOCKET: + return expr_evaluate_socket(ctx, expr); case EXPR_FIB: return expr_evaluate_fib(ctx, expr); case EXPR_PAYLOAD: -- cgit v1.2.3