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authorFlorian Westphal <fw@strlen.de>2019-08-29 16:09:04 +0200
committerFlorian Westphal <fw@strlen.de>2019-09-06 16:25:57 +0200
commit648cc618975ec27df2920cf2fa9841ba76cf21d0 (patch)
tree66bb3f1d085819d2d0c6123fcc25a9ee0e9442aa /src/evaluate.c
parent0518ea3f70d8cb508dfafc5f181e588b7acbc1dc (diff)
src: evaluate: catch invalid 'meta day' values in eval step
Signed-off-by: Florian Westphal <fw@strlen.de>
Diffstat (limited to 'src/evaluate.c')
-rw-r--r--src/evaluate.c17
1 files changed, 13 insertions, 4 deletions
diff --git a/src/evaluate.c b/src/evaluate.c
index 8d5f5f80..b8bcf486 100644
--- a/src/evaluate.c
+++ b/src/evaluate.c
@@ -1863,11 +1863,20 @@ static int expr_evaluate_meta(struct eval_ctx *ctx, struct expr **exprp)
{
struct expr *meta = *exprp;
- if (ctx->pctx.family != NFPROTO_INET &&
- meta->flags & EXPR_F_PROTOCOL &&
- meta->meta.key == NFT_META_NFPROTO)
- return expr_error(ctx->msgs, meta,
+ switch (meta->meta.key) {
+ case NFT_META_NFPROTO:
+ if (ctx->pctx.family != NFPROTO_INET &&
+ meta->flags & EXPR_F_PROTOCOL)
+ return expr_error(ctx->msgs, meta,
"meta nfproto is only useful in the inet family");
+ break;
+ case NFT_META_TIME_DAY:
+ __expr_set_context(&ctx->ectx, meta->dtype, meta->byteorder,
+ meta->len, 6);
+ return 0;
+ default:
+ break;
+ }
return expr_evaluate_primary(ctx, exprp);
}