diff --git a/include/net/netfilter/nf_conntrack_expect.h b/include/net/netfilter/nf_conntrack_expect.h index f1bdcb4f3f2ad1edc71b436a1789ba7dbc0fb672..47c28dd07896054d081f91dce55cfcdb55ef0710 100644 --- a/include/net/netfilter/nf_conntrack_expect.h +++ b/include/net/netfilter/nf_conntrack_expect.h @@ -53,7 +53,8 @@ struct nf_conntrack_expect struct rcu_head rcu; }; -#define NF_CT_EXPECT_PERMANENT 0x1 +#define NF_CT_EXPECT_PERMANENT 0x1 +#define NF_CT_EXPECT_INACTIVE 0x2 int nf_conntrack_expect_init(void); void nf_conntrack_expect_fini(void); diff --git a/net/netfilter/nf_conntrack_expect.c b/net/netfilter/nf_conntrack_expect.c index 4c05a588116f86632809f147da8aafec7e3948a6..882602f1c0ef9ac062dc5c54550aaffb16feebfa 100644 --- a/net/netfilter/nf_conntrack_expect.c +++ b/net/netfilter/nf_conntrack_expect.c @@ -126,9 +126,21 @@ EXPORT_SYMBOL_GPL(nf_ct_expect_find_get); struct nf_conntrack_expect * nf_ct_find_expectation(const struct nf_conntrack_tuple *tuple) { - struct nf_conntrack_expect *exp; + struct nf_conntrack_expect *i, *exp = NULL; + struct hlist_node *n; + unsigned int h; + + if (!nf_ct_expect_count) + return NULL; - exp = __nf_ct_expect_find(tuple); + h = nf_ct_expect_dst_hash(tuple); + hlist_for_each_entry(i, n, &nf_ct_expect_hash[h], hnode) { + if (!(i->flags & NF_CT_EXPECT_INACTIVE) && + nf_ct_tuple_mask_cmp(tuple, &i->tuple, &i->mask)) { + exp = i; + break; + } + } if (!exp) return NULL; @@ -460,6 +472,7 @@ static int exp_seq_show(struct seq_file *s, void *v) { struct nf_conntrack_expect *expect; struct hlist_node *n = v; + char *delim = ""; expect = hlist_entry(n, struct nf_conntrack_expect, hnode); @@ -476,8 +489,12 @@ static int exp_seq_show(struct seq_file *s, void *v) __nf_ct_l4proto_find(expect->tuple.src.l3num, expect->tuple.dst.protonum)); - if (expect->flags & NF_CT_EXPECT_PERMANENT) - seq_printf(s, "PERMANENT "); + if (expect->flags & NF_CT_EXPECT_PERMANENT) { + seq_printf(s, "PERMANENT"); + delim = ","; + } + if (expect->flags & NF_CT_EXPECT_INACTIVE) + seq_printf(s, "%sINACTIVE", delim); return seq_putc(s, '\n'); }