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netfilter: replace NF_NAT_NEEDED with IS_ENABLED(CONFIG_NF_NAT)

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NF_NAT_NEEDED is true whenever nat support for either ipv4 or ipv6 is
enabled.  Now that the af-specific nat configuration switches have been
removed, IS_ENABLED(CONFIG_NF_NAT) has the same effect.

Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
This commit is contained in:
Florian Westphal
2019-03-27 09:22:26 +01:00
committed by Pablo Neira Ayuso
parent c1deb065cf
commit 4806e97572
7 changed files with 21 additions and 26 deletions
Download Patch File Download Diff File Expand all files Collapse all files

5
net/netfilter/Kconfig
View File

@@ -404,11 +404,6 @@ config NF_NAT
forms of full Network Address Port Translation. This can be
controlled by iptables, ip6tables or nft.
config NF_NAT_NEEDED
bool
depends on NF_NAT
default y
config NF_NAT_AMANDA
tristate
depends on NF_CONNTRACK && NF_NAT

2
net/netfilter/nf_conntrack_expect.c
View File

@@ -336,7 +336,7 @@ void nf_ct_expect_init(struct nf_conntrack_expect *exp, unsigned int class,
exp->tuple.dst.u.all = *dst;
#ifdef CONFIG_NF_NAT_NEEDED
#if IS_ENABLED(CONFIG_NF_NAT)
memset(&exp->saved_addr, 0, sizeof(exp->saved_addr));
memset(&exp->saved_proto, 0, sizeof(exp->saved_proto));
#endif

16
net/netfilter/nf_conntrack_netlink.c
View File

@@ -45,7 +45,7 @@
#include <net/netfilter/nf_conntrack_timestamp.h>
#include <net/netfilter/nf_conntrack_labels.h>
#include <net/netfilter/nf_conntrack_synproxy.h>
#ifdef CONFIG_NF_NAT_NEEDED
#if IS_ENABLED(CONFIG_NF_NAT)
#include <net/netfilter/nf_nat.h>
#include <net/netfilter/nf_nat_helper.h>
#endif
@@ -655,7 +655,7 @@ static size_t ctnetlink_nlmsg_size(const struct nf_conn *ct)
+ nla_total_size(0) /* CTA_HELP */
+ nla_total_size(NF_CT_HELPER_NAME_LEN) /* CTA_HELP_NAME */
+ ctnetlink_secctx_size(ct)
#ifdef CONFIG_NF_NAT_NEEDED
#if IS_ENABLED(CONFIG_NF_NAT)
+ 2 * nla_total_size(0) /* CTA_NAT_SEQ_ADJ_ORIG|REPL */
+ 6 * nla_total_size(sizeof(u_int32_t)) /* CTA_NAT_SEQ_OFFSET */
#endif
@@ -1494,7 +1494,7 @@ static int ctnetlink_get_ct_unconfirmed(struct net *net, struct sock *ctnl,
return -EOPNOTSUPP;
}
#ifdef CONFIG_NF_NAT_NEEDED
#if IS_ENABLED(CONFIG_NF_NAT)
static int
ctnetlink_parse_nat_setup(struct nf_conn *ct,
enum nf_nat_manip_type manip,
@@ -1586,7 +1586,7 @@ ctnetlink_change_status(struct nf_conn *ct, const struct nlattr * const cda[])
static int
ctnetlink_setup_nat(struct nf_conn *ct, const struct nlattr * const cda[])
{
#ifdef CONFIG_NF_NAT_NEEDED
#if IS_ENABLED(CONFIG_NF_NAT)
int ret;
if (!cda[CTA_NAT_DST] && !cda[CTA_NAT_SRC])
@@ -2369,7 +2369,7 @@ ctnetlink_glue_build_size(const struct nf_conn *ct)
+ nla_total_size(0) /* CTA_HELP */
+ nla_total_size(NF_CT_HELPER_NAME_LEN) /* CTA_HELP_NAME */
+ ctnetlink_secctx_size(ct)
#ifdef CONFIG_NF_NAT_NEEDED
#if IS_ENABLED(CONFIG_NF_NAT)
+ 2 * nla_total_size(0) /* CTA_NAT_SEQ_ADJ_ORIG|REPL */
+ 6 * nla_total_size(sizeof(u_int32_t)) /* CTA_NAT_SEQ_OFFSET */
#endif
@@ -2699,7 +2699,7 @@ ctnetlink_exp_dump_expect(struct sk_buff *skb,
struct nf_conn *master = exp->master;
long timeout = ((long)exp->timeout.expires - (long)jiffies) / HZ;
struct nf_conn_help *help;
#ifdef CONFIG_NF_NAT_NEEDED
#if IS_ENABLED(CONFIG_NF_NAT)
struct nlattr *nest_parms;
struct nf_conntrack_tuple nat_tuple = {};
#endif
@@ -2717,7 +2717,7 @@ ctnetlink_exp_dump_expect(struct sk_buff *skb,
CTA_EXPECT_MASTER) < 0)
goto nla_put_failure;
#ifdef CONFIG_NF_NAT_NEEDED
#if IS_ENABLED(CONFIG_NF_NAT)
if (!nf_inet_addr_cmp(&exp->saved_addr, &any_addr) ||
exp->saved_proto.all) {
nest_parms = nla_nest_start(skb, CTA_EXPECT_NAT | NLA_F_NESTED);
@@ -3180,7 +3180,7 @@ ctnetlink_parse_expect_nat(const struct nlattr *attr,
struct nf_conntrack_expect *exp,
u_int8_t u3)
{
#ifdef CONFIG_NF_NAT_NEEDED
#if IS_ENABLED(CONFIG_NF_NAT)
struct nlattr *tb[CTA_EXPECT_NAT_MAX+1];
struct nf_conntrack_tuple nat_tuple = {};
int err;

2
net/netfilter/nf_conntrack_sip.c
View File

@@ -928,7 +928,7 @@ static int set_expected_rtp_rtcp(struct sk_buff *skb, unsigned int protoff,
nfct_help(exp->master)->helper != nfct_help(ct)->helper ||
exp->class != class)
break;
#ifdef CONFIG_NF_NAT_NEEDED
#if IS_ENABLED(CONFIG_NF_NAT)
if (!direct_rtp &&
(!nf_inet_addr_cmp(&exp->saved_addr, &exp->tuple.dst.u3) ||
exp->saved_proto.udp.port != exp->tuple.dst.u.udp.port) &&