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path: root/net/netfilter/nf_conntrack_netlink.c
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Diffstat (limited to 'net/netfilter/nf_conntrack_netlink.c')
-rw-r--r--net/netfilter/nf_conntrack_netlink.c115
1 files changed, 54 insertions, 61 deletions
diff --git a/net/netfilter/nf_conntrack_netlink.c b/net/netfilter/nf_conntrack_netlink.c
index fa61fea63234..7c55745ececf 100644
--- a/net/netfilter/nf_conntrack_netlink.c
+++ b/net/netfilter/nf_conntrack_netlink.c
@@ -37,6 +37,7 @@
#include <net/netfilter/nf_conntrack_core.h>
#include <net/netfilter/nf_conntrack_expect.h>
#include <net/netfilter/nf_conntrack_helper.h>
+#include <net/netfilter/nf_conntrack_seqadj.h>
#include <net/netfilter/nf_conntrack_l3proto.h>
#include <net/netfilter/nf_conntrack_l4proto.h>
#include <net/netfilter/nf_conntrack_tuple.h>
@@ -381,9 +382,8 @@ nla_put_failure:
return -1;
}
-#ifdef CONFIG_NF_NAT_NEEDED
static int
-dump_nat_seq_adj(struct sk_buff *skb, const struct nf_nat_seq *natseq, int type)
+dump_ct_seq_adj(struct sk_buff *skb, const struct nf_ct_seqadj *seq, int type)
{
struct nlattr *nest_parms;
@@ -391,12 +391,12 @@ dump_nat_seq_adj(struct sk_buff *skb, const struct nf_nat_seq *natseq, int type)
if (!nest_parms)
goto nla_put_failure;
- if (nla_put_be32(skb, CTA_NAT_SEQ_CORRECTION_POS,
- htonl(natseq->correction_pos)) ||
- nla_put_be32(skb, CTA_NAT_SEQ_OFFSET_BEFORE,
- htonl(natseq->offset_before)) ||
- nla_put_be32(skb, CTA_NAT_SEQ_OFFSET_AFTER,
- htonl(natseq->offset_after)))
+ if (nla_put_be32(skb, CTA_SEQADJ_CORRECTION_POS,
+ htonl(seq->correction_pos)) ||
+ nla_put_be32(skb, CTA_SEQADJ_OFFSET_BEFORE,
+ htonl(seq->offset_before)) ||
+ nla_put_be32(skb, CTA_SEQADJ_OFFSET_AFTER,
+ htonl(seq->offset_after)))
goto nla_put_failure;
nla_nest_end(skb, nest_parms);
@@ -408,27 +408,24 @@ nla_put_failure:
}
static inline int
-ctnetlink_dump_nat_seq_adj(struct sk_buff *skb, const struct nf_conn *ct)
+ctnetlink_dump_ct_seq_adj(struct sk_buff *skb, const struct nf_conn *ct)
{
- struct nf_nat_seq *natseq;
- struct nf_conn_nat *nat = nfct_nat(ct);
+ struct nf_conn_seqadj *seqadj = nfct_seqadj(ct);
+ struct nf_ct_seqadj *seq;
- if (!(ct->status & IPS_SEQ_ADJUST) || !nat)
+ if (!(ct->status & IPS_SEQ_ADJUST) || !seqadj)
return 0;
- natseq = &nat->seq[IP_CT_DIR_ORIGINAL];
- if (dump_nat_seq_adj(skb, natseq, CTA_NAT_SEQ_ADJ_ORIG) == -1)
+ seq = &seqadj->seq[IP_CT_DIR_ORIGINAL];
+ if (dump_ct_seq_adj(skb, seq, CTA_SEQ_ADJ_ORIG) == -1)
return -1;
- natseq = &nat->seq[IP_CT_DIR_REPLY];
- if (dump_nat_seq_adj(skb, natseq, CTA_NAT_SEQ_ADJ_REPLY) == -1)
+ seq = &seqadj->seq[IP_CT_DIR_REPLY];
+ if (dump_ct_seq_adj(skb, seq, CTA_SEQ_ADJ_REPLY) == -1)
return -1;
return 0;
}
-#else
-#define ctnetlink_dump_nat_seq_adj(a, b) (0)
-#endif
static inline int
ctnetlink_dump_id(struct sk_buff *skb, const struct nf_conn *ct)
@@ -502,7 +499,7 @@ ctnetlink_fill_info(struct sk_buff *skb, u32 portid, u32 seq, u32 type,
ctnetlink_dump_id(skb, ct) < 0 ||
ctnetlink_dump_use(skb, ct) < 0 ||
ctnetlink_dump_master(skb, ct) < 0 ||
- ctnetlink_dump_nat_seq_adj(skb, ct) < 0)
+ ctnetlink_dump_ct_seq_adj(skb, ct) < 0)
goto nla_put_failure;
nlmsg_end(skb, nlh);
@@ -707,8 +704,8 @@ ctnetlink_conntrack_event(unsigned int events, struct nf_ct_event *item)
ctnetlink_dump_master(skb, ct) < 0)
goto nla_put_failure;
- if (events & (1 << IPCT_NATSEQADJ) &&
- ctnetlink_dump_nat_seq_adj(skb, ct) < 0)
+ if (events & (1 << IPCT_SEQADJ) &&
+ ctnetlink_dump_ct_seq_adj(skb, ct) < 0)
goto nla_put_failure;
}
@@ -1439,66 +1436,65 @@ ctnetlink_change_protoinfo(struct nf_conn *ct, const struct nlattr * const cda[]
return err;
}
-#ifdef CONFIG_NF_NAT_NEEDED
-static const struct nla_policy nat_seq_policy[CTA_NAT_SEQ_MAX+1] = {
- [CTA_NAT_SEQ_CORRECTION_POS] = { .type = NLA_U32 },
- [CTA_NAT_SEQ_OFFSET_BEFORE] = { .type = NLA_U32 },
- [CTA_NAT_SEQ_OFFSET_AFTER] = { .type = NLA_U32 },
+static const struct nla_policy seqadj_policy[CTA_SEQADJ_MAX+1] = {
+ [CTA_SEQADJ_CORRECTION_POS] = { .type = NLA_U32 },
+ [CTA_SEQADJ_OFFSET_BEFORE] = { .type = NLA_U32 },
+ [CTA_SEQADJ_OFFSET_AFTER] = { .type = NLA_U32 },
};
static inline int
-change_nat_seq_adj(struct nf_nat_seq *natseq, const struct nlattr * const attr)
+change_seq_adj(struct nf_ct_seqadj *seq, const struct nlattr * const attr)
{
int err;
- struct nlattr *cda[CTA_NAT_SEQ_MAX+1];
+ struct nlattr *cda[CTA_SEQADJ_MAX+1];
- err = nla_parse_nested(cda, CTA_NAT_SEQ_MAX, attr, nat_seq_policy);
+ err = nla_parse_nested(cda, CTA_SEQADJ_MAX, attr, seqadj_policy);
if (err < 0)
return err;
- if (!cda[CTA_NAT_SEQ_CORRECTION_POS])
+ if (!cda[CTA_SEQADJ_CORRECTION_POS])
return -EINVAL;
- natseq->correction_pos =
- ntohl(nla_get_be32(cda[CTA_NAT_SEQ_CORRECTION_POS]));
+ seq->correction_pos =
+ ntohl(nla_get_be32(cda[CTA_SEQADJ_CORRECTION_POS]));
- if (!cda[CTA_NAT_SEQ_OFFSET_BEFORE])
+ if (!cda[CTA_SEQADJ_OFFSET_BEFORE])
return -EINVAL;
- natseq->offset_before =
- ntohl(nla_get_be32(cda[CTA_NAT_SEQ_OFFSET_BEFORE]));
+ seq->offset_before =
+ ntohl(nla_get_be32(cda[CTA_SEQADJ_OFFSET_BEFORE]));
- if (!cda[CTA_NAT_SEQ_OFFSET_AFTER])
+ if (!cda[CTA_SEQADJ_OFFSET_AFTER])
return -EINVAL;
- natseq->offset_after =
- ntohl(nla_get_be32(cda[CTA_NAT_SEQ_OFFSET_AFTER]));
+ seq->offset_after =
+ ntohl(nla_get_be32(cda[CTA_SEQADJ_OFFSET_AFTER]));
return 0;
}
static int
-ctnetlink_change_nat_seq_adj(struct nf_conn *ct,
- const struct nlattr * const cda[])
+ctnetlink_change_seq_adj(struct nf_conn *ct,
+ const struct nlattr * const cda[])
{
+ struct nf_conn_seqadj *seqadj = nfct_seqadj(ct);
int ret = 0;
- struct nf_conn_nat *nat = nfct_nat(ct);
- if (!nat)
+ if (!seqadj)
return 0;
- if (cda[CTA_NAT_SEQ_ADJ_ORIG]) {
- ret = change_nat_seq_adj(&nat->seq[IP_CT_DIR_ORIGINAL],
- cda[CTA_NAT_SEQ_ADJ_ORIG]);
+ if (cda[CTA_SEQ_ADJ_ORIG]) {
+ ret = change_seq_adj(&seqadj->seq[IP_CT_DIR_ORIGINAL],
+ cda[CTA_SEQ_ADJ_ORIG]);
if (ret < 0)
return ret;
ct->status |= IPS_SEQ_ADJUST;
}
- if (cda[CTA_NAT_SEQ_ADJ_REPLY]) {
- ret = change_nat_seq_adj(&nat->seq[IP_CT_DIR_REPLY],
- cda[CTA_NAT_SEQ_ADJ_REPLY]);
+ if (cda[CTA_SEQ_ADJ_REPLY]) {
+ ret = change_seq_adj(&seqadj->seq[IP_CT_DIR_REPLY],
+ cda[CTA_SEQ_ADJ_REPLY]);
if (ret < 0)
return ret;
@@ -1507,7 +1503,6 @@ ctnetlink_change_nat_seq_adj(struct nf_conn *ct,
return 0;
}
-#endif
static int
ctnetlink_attach_labels(struct nf_conn *ct, const struct nlattr * const cda[])
@@ -1573,13 +1568,12 @@ ctnetlink_change_conntrack(struct nf_conn *ct,
ct->mark = ntohl(nla_get_be32(cda[CTA_MARK]));
#endif
-#ifdef CONFIG_NF_NAT_NEEDED
- if (cda[CTA_NAT_SEQ_ADJ_ORIG] || cda[CTA_NAT_SEQ_ADJ_REPLY]) {
- err = ctnetlink_change_nat_seq_adj(ct, cda);
+ if (cda[CTA_SEQ_ADJ_ORIG] || cda[CTA_SEQ_ADJ_REPLY]) {
+ err = ctnetlink_change_seq_adj(ct, cda);
if (err < 0)
return err;
}
-#endif
+
if (cda[CTA_LABELS]) {
err = ctnetlink_attach_labels(ct, cda);
if (err < 0)
@@ -1684,13 +1678,11 @@ ctnetlink_create_conntrack(struct net *net, u16 zone,
goto err2;
}
-#ifdef CONFIG_NF_NAT_NEEDED
- if (cda[CTA_NAT_SEQ_ADJ_ORIG] || cda[CTA_NAT_SEQ_ADJ_REPLY]) {
- err = ctnetlink_change_nat_seq_adj(ct, cda);
+ if (cda[CTA_SEQ_ADJ_ORIG] || cda[CTA_SEQ_ADJ_REPLY]) {
+ err = ctnetlink_change_seq_adj(ct, cda);
if (err < 0)
goto err2;
}
-#endif
memset(&ct->proto, 0, sizeof(ct->proto));
if (cda[CTA_PROTOINFO]) {
@@ -1804,7 +1796,7 @@ ctnetlink_new_conntrack(struct sock *ctnl, struct sk_buff *skb,
(1 << IPCT_ASSURED) |
(1 << IPCT_HELPER) |
(1 << IPCT_PROTOINFO) |
- (1 << IPCT_NATSEQADJ) |
+ (1 << IPCT_SEQADJ) |
(1 << IPCT_MARK) | events,
ct, NETLINK_CB(skb).portid,
nlmsg_report(nlh));
@@ -1827,7 +1819,7 @@ ctnetlink_new_conntrack(struct sock *ctnl, struct sk_buff *skb,
(1 << IPCT_HELPER) |
(1 << IPCT_LABEL) |
(1 << IPCT_PROTOINFO) |
- (1 << IPCT_NATSEQADJ) |
+ (1 << IPCT_SEQADJ) |
(1 << IPCT_MARK),
ct, NETLINK_CB(skb).portid,
nlmsg_report(nlh));
@@ -2082,7 +2074,7 @@ ctnetlink_nfqueue_build(struct sk_buff *skb, struct nf_conn *ct)
goto nla_put_failure;
if ((ct->status & IPS_SEQ_ADJUST) &&
- ctnetlink_dump_nat_seq_adj(skb, ct) < 0)
+ ctnetlink_dump_ct_seq_adj(skb, ct) < 0)
goto nla_put_failure;
#ifdef CONFIG_NF_CONNTRACK_MARK
@@ -2211,6 +2203,7 @@ static struct nfq_ct_hook ctnetlink_nfqueue_hook = {
.build = ctnetlink_nfqueue_build,
.parse = ctnetlink_nfqueue_parse,
.attach_expect = ctnetlink_nfqueue_attach_expect,
+ .seq_adjust = nf_ct_tcp_seqadj_set,
};
#endif /* CONFIG_NETFILTER_NETLINK_QUEUE_CT */
generated by cgit v1.2.3 (git 2.39.0) at 2024-10-19 03:35:14 +0300