From 20afd423976ef3df0ce5719909ffd4416f9ef986 Mon Sep 17 00:00:00 2001 From: Florian Westphal Date: Tue, 15 Nov 2016 21:36:42 +0100 Subject: [PATCH] netfilter: nf_tables: add conntrack dependencies for nat/masq/redir expressions so that conntrack core will add the needed hooks in this namespace. Signed-off-by: Florian Westphal Signed-off-by: Pablo Neira Ayuso --- net/ipv4/netfilter/nft_masq_ipv4.c | 7 +++++++ net/ipv4/netfilter/nft_redir_ipv4.c | 7 +++++++ net/ipv6/netfilter/nft_masq_ipv6.c | 7 +++++++ net/ipv6/netfilter/nft_redir_ipv6.c | 7 +++++++ net/netfilter/nft_masq.c | 2 +- net/netfilter/nft_nat.c | 11 ++++++++++- net/netfilter/nft_redir.c | 2 +- 7 files changed, 40 insertions(+), 3 deletions(-) diff --git a/net/ipv4/netfilter/nft_masq_ipv4.c b/net/ipv4/netfilter/nft_masq_ipv4.c index 4d69f99b8707..a0ea8aad1bf1 100644 --- a/net/ipv4/netfilter/nft_masq_ipv4.c +++ b/net/ipv4/netfilter/nft_masq_ipv4.c @@ -35,12 +35,19 @@ static void nft_masq_ipv4_eval(const struct nft_expr *expr, &range, nft_out(pkt)); } +static void +nft_masq_ipv4_destroy(const struct nft_ctx *ctx, const struct nft_expr *expr) +{ + nf_ct_netns_put(ctx->net, NFPROTO_IPV4); +} + static struct nft_expr_type nft_masq_ipv4_type; static const struct nft_expr_ops nft_masq_ipv4_ops = { .type = &nft_masq_ipv4_type, .size = NFT_EXPR_SIZE(sizeof(struct nft_masq)), .eval = nft_masq_ipv4_eval, .init = nft_masq_init, + .destroy = nft_masq_ipv4_destroy, .dump = nft_masq_dump, .validate = nft_masq_validate, }; diff --git a/net/ipv4/netfilter/nft_redir_ipv4.c b/net/ipv4/netfilter/nft_redir_ipv4.c index 62c18e68ac58..1650ed23c15d 100644 --- a/net/ipv4/netfilter/nft_redir_ipv4.c +++ b/net/ipv4/netfilter/nft_redir_ipv4.c @@ -38,12 +38,19 @@ static void nft_redir_ipv4_eval(const struct nft_expr *expr, regs->verdict.code = nf_nat_redirect_ipv4(pkt->skb, &mr, nft_hook(pkt)); } +static void +nft_redir_ipv4_destroy(const struct nft_ctx *ctx, const struct nft_expr *expr) +{ + nf_ct_netns_put(ctx->net, NFPROTO_IPV4); +} + static struct nft_expr_type nft_redir_ipv4_type; static const struct nft_expr_ops nft_redir_ipv4_ops = { .type = &nft_redir_ipv4_type, .size = NFT_EXPR_SIZE(sizeof(struct nft_redir)), .eval = nft_redir_ipv4_eval, .init = nft_redir_init, + .destroy = nft_redir_ipv4_destroy, .dump = nft_redir_dump, .validate = nft_redir_validate, }; diff --git a/net/ipv6/netfilter/nft_masq_ipv6.c b/net/ipv6/netfilter/nft_masq_ipv6.c index 93d758f70334..6c5b5b1830a7 100644 --- a/net/ipv6/netfilter/nft_masq_ipv6.c +++ b/net/ipv6/netfilter/nft_masq_ipv6.c @@ -36,12 +36,19 @@ static void nft_masq_ipv6_eval(const struct nft_expr *expr, nft_out(pkt)); } +static void +nft_masq_ipv6_destroy(const struct nft_ctx *ctx, const struct nft_expr *expr) +{ + nf_ct_netns_put(ctx->net, NFPROTO_IPV6); +} + static struct nft_expr_type nft_masq_ipv6_type; static const struct nft_expr_ops nft_masq_ipv6_ops = { .type = &nft_masq_ipv6_type, .size = NFT_EXPR_SIZE(sizeof(struct nft_masq)), .eval = nft_masq_ipv6_eval, .init = nft_masq_init, + .destroy = nft_masq_ipv6_destroy, .dump = nft_masq_dump, .validate = nft_masq_validate, }; diff --git a/net/ipv6/netfilter/nft_redir_ipv6.c b/net/ipv6/netfilter/nft_redir_ipv6.c index 2850fcd8583f..f5ac080fc084 100644 --- a/net/ipv6/netfilter/nft_redir_ipv6.c +++ b/net/ipv6/netfilter/nft_redir_ipv6.c @@ -39,12 +39,19 @@ static void nft_redir_ipv6_eval(const struct nft_expr *expr, nf_nat_redirect_ipv6(pkt->skb, &range, nft_hook(pkt)); } +static void +nft_redir_ipv6_destroy(const struct nft_ctx *ctx, const struct nft_expr *expr) +{ + nf_ct_netns_put(ctx->net, NFPROTO_IPV6); +} + static struct nft_expr_type nft_redir_ipv6_type; static const struct nft_expr_ops nft_redir_ipv6_ops = { .type = &nft_redir_ipv6_type, .size = NFT_EXPR_SIZE(sizeof(struct nft_redir)), .eval = nft_redir_ipv6_eval, .init = nft_redir_init, + .destroy = nft_redir_ipv6_destroy, .dump = nft_redir_dump, .validate = nft_redir_validate, }; diff --git a/net/netfilter/nft_masq.c b/net/netfilter/nft_masq.c index bf92de01410f..11ce016cd479 100644 --- a/net/netfilter/nft_masq.c +++ b/net/netfilter/nft_masq.c @@ -77,7 +77,7 @@ int nft_masq_init(const struct nft_ctx *ctx, } } - return 0; + return nf_ct_netns_get(ctx->net, ctx->afi->family); } EXPORT_SYMBOL_GPL(nft_masq_init); diff --git a/net/netfilter/nft_nat.c b/net/netfilter/nft_nat.c index ee2d71753746..19a7bf3236f9 100644 --- a/net/netfilter/nft_nat.c +++ b/net/netfilter/nft_nat.c @@ -209,7 +209,7 @@ static int nft_nat_init(const struct nft_ctx *ctx, const struct nft_expr *expr, return -EINVAL; } - return 0; + return nf_ct_netns_get(ctx->net, family); } static int nft_nat_dump(struct sk_buff *skb, const struct nft_expr *expr) @@ -257,12 +257,21 @@ nla_put_failure: return -1; } +static void +nft_nat_destroy(const struct nft_ctx *ctx, const struct nft_expr *expr) +{ + const struct nft_nat *priv = nft_expr_priv(expr); + + nf_ct_netns_put(ctx->net, priv->family); +} + static struct nft_expr_type nft_nat_type; static const struct nft_expr_ops nft_nat_ops = { .type = &nft_nat_type, .size = NFT_EXPR_SIZE(sizeof(struct nft_nat)), .eval = nft_nat_eval, .init = nft_nat_init, + .destroy = nft_nat_destroy, .dump = nft_nat_dump, .validate = nft_nat_validate, }; diff --git a/net/netfilter/nft_redir.c b/net/netfilter/nft_redir.c index 967e09b099b2..40dcd05146d5 100644 --- a/net/netfilter/nft_redir.c +++ b/net/netfilter/nft_redir.c @@ -79,7 +79,7 @@ int nft_redir_init(const struct nft_ctx *ctx, return -EINVAL; } - return 0; + return nf_ct_netns_get(ctx->net, ctx->afi->family); } EXPORT_SYMBOL_GPL(nft_redir_init); -- 2.39.5