From: Patrick McHardy <kaber@trash.net>
Date: Tue, 18 Feb 2014 18:06:50 +0000 (+0000)
Subject: netfilter: nf_tables: accept QUEUE/DROP verdict parameters
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=e0abdadcc6e113ed2e22c85b350074487095875b;p=GitHub%2FLineageOS%2FG12%2Fandroid_kernel_amlogic_linux-4.9.git

netfilter: nf_tables: accept QUEUE/DROP verdict parameters

Allow userspace to specify the queue number or the errno code for QUEUE
and DROP verdicts.

Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
---

diff --git a/net/netfilter/nf_tables_api.c b/net/netfilter/nf_tables_api.c
index 4b7e14ddd2b2..0b5634094cb0 100644
--- a/net/netfilter/nf_tables_api.c
+++ b/net/netfilter/nf_tables_api.c
@@ -3174,9 +3174,16 @@ static int nft_verdict_init(const struct nft_ctx *ctx, struct nft_data *data,
 	data->verdict = ntohl(nla_get_be32(tb[NFTA_VERDICT_CODE]));
 
 	switch (data->verdict) {
-	case NF_ACCEPT:
-	case NF_DROP:
-	case NF_QUEUE:
+	default:
+		switch (data->verdict & NF_VERDICT_MASK) {
+		case NF_ACCEPT:
+		case NF_DROP:
+		case NF_QUEUE:
+			break;
+		default:
+			return -EINVAL;
+		}
+		/* fall through */
 	case NFT_CONTINUE:
 	case NFT_BREAK:
 	case NFT_RETURN:
@@ -3197,8 +3204,6 @@ static int nft_verdict_init(const struct nft_ctx *ctx, struct nft_data *data,
 		data->chain = chain;
 		desc->len = sizeof(data);
 		break;
-	default:
-		return -EINVAL;
 	}
 
 	desc->type = NFT_DATA_VERDICT;