From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 6AF51C4360D for ; Sun, 8 Sep 2019 14:22:23 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 43F4E2082C for ; Sun, 8 Sep 2019 14:22:23 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729025AbfIHOWX (ORCPT ); Sun, 8 Sep 2019 10:22:23 -0400 Received: from m9785.mail.qiye.163.com ([220.181.97.85]:4145 "EHLO m9785.mail.qiye.163.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728868AbfIHOWW (ORCPT ); Sun, 8 Sep 2019 10:22:22 -0400 Received: from localhost.localdomain (unknown [123.59.132.129]) by m9785.mail.qiye.163.com (Hmail) with ESMTPA id 11B0B5C16D8; Sun, 8 Sep 2019 22:22:09 +0800 (CST) From: wenxu@ucloud.cn To: pablo@netfilter.org Cc: netfilter-devel@vger.kernel.org Subject: [PATCH nf-next v6 3/8] netfilter: nft_tunnel: add ipv6 check in nft_tunnel_mode_validate Date: Sun, 8 Sep 2019 22:22:03 +0800 Message-Id: <1567952528-24421-4-git-send-email-wenxu@ucloud.cn> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1567952528-24421-1-git-send-email-wenxu@ucloud.cn> References: <1567952528-24421-1-git-send-email-wenxu@ucloud.cn> X-HM-Spam-Status: e1kfGhgUHx5ZQUtXWQgYFAkeWUFZVkpVSU9CS0tLSkJKTUNDTk9ZV1koWU FJQjdXWS1ZQUlXWQkOFx4IWUFZNTQpNjo3JCkuNz5ZBg++ X-HM-Sender-Digest: e1kMHhlZQR0aFwgeV1kSHx4VD1lBWUc6OjY6USo4NzgwAzUYKRwhOS0O CU1PCwtVSlVKTk1MQk5JTklCSkpJVTMWGhIXVQweFQMOOw4YFxQOH1UYFUVZV1kSC1lBWUpJSFVO QlVKSElVSklCWVdZCAFZQUhKSEs3Bg++ X-HM-Tid: 0a6d1140e6b92087kuqy11b0b5c16d8 Sender: netfilter-devel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netfilter-devel@vger.kernel.org From: wenxu Add ipv6 tunnel check in nft_tunnel_mode_validate. Signed-off-by: wenxu --- v6: no change net/netfilter/nft_tunnel.c | 14 +++++++++----- 1 file changed, 9 insertions(+), 5 deletions(-) diff --git a/net/netfilter/nft_tunnel.c b/net/netfilter/nft_tunnel.c index fe544bf..64bda3d 100644 --- a/net/netfilter/nft_tunnel.c +++ b/net/netfilter/nft_tunnel.c @@ -18,8 +18,12 @@ struct nft_tunnel { enum nft_tunnel_mode mode:8; }; -bool nft_tunnel_mode_validate(enum nft_tunnel_mode priv_mode, u8 tun_mode) +bool nft_tunnel_mode_validate(enum nft_tunnel_mode priv_mode, + u8 tun_mode, bool ipv6) { + if (ipv6 && !(tun_mode & IP_TUNNEL_INFO_IPV6)) + return false; + if (priv_mode == NFT_TUNNEL_MODE_NONE || (priv_mode == NFT_TUNNEL_MODE_RX && !(tun_mode & IP_TUNNEL_INFO_TX)) || @@ -46,7 +50,7 @@ static void nft_tunnel_get_eval(const struct nft_expr *expr, nft_reg_store8(dest, false); return; } - if (nft_tunnel_mode_validate(priv->mode, tun_info->mode)) + if (nft_tunnel_mode_validate(priv->mode, tun_info->mode, false)) nft_reg_store8(dest, true); else nft_reg_store8(dest, false); @@ -56,7 +60,7 @@ static void nft_tunnel_get_eval(const struct nft_expr *expr, regs->verdict.code = NFT_BREAK; return; } - if (nft_tunnel_mode_validate(priv->mode, tun_info->mode)) + if (nft_tunnel_mode_validate(priv->mode, tun_info->mode, false)) *dest = ntohl(tunnel_id_to_key32(tun_info->key.tun_id)); else regs->verdict.code = NFT_BREAK; @@ -66,7 +70,7 @@ static void nft_tunnel_get_eval(const struct nft_expr *expr, regs->verdict.code = NFT_BREAK; return; } - if (nft_tunnel_mode_validate(priv->mode, tun_info->mode)) + if (nft_tunnel_mode_validate(priv->mode, tun_info->mode, false)) *dest = tun_info->key.u.ipv4.src; else regs->verdict.code = NFT_BREAK; @@ -76,7 +80,7 @@ static void nft_tunnel_get_eval(const struct nft_expr *expr, regs->verdict.code = NFT_BREAK; return; } - if (nft_tunnel_mode_validate(priv->mode, tun_info->mode)) + if (nft_tunnel_mode_validate(priv->mode, tun_info->mode, false)) *dest = tun_info->key.u.ipv4.dst; else regs->verdict.code = NFT_BREAK; -- 1.8.3.1