diff options
Diffstat (limited to 'net')
-rw-r--r-- | net/ipv4/netfilter/nf_defrag_ipv4.c | 8 | ||||
-rw-r--r-- | net/ipv6/netfilter/nf_defrag_ipv6_hooks.c | 8 | ||||
-rw-r--r-- | net/netfilter/nf_conntrack_core.c | 53 | ||||
-rw-r--r-- | net/netfilter/nf_conntrack_expect.c | 8 | ||||
-rw-r--r-- | net/netfilter/nf_conntrack_netlink.c | 177 | ||||
-rw-r--r-- | net/netfilter/nf_conntrack_standalone.c | 30 | ||||
-rw-r--r-- | net/netfilter/nf_nat_core.c | 13 | ||||
-rw-r--r-- | net/netfilter/xt_CT.c | 17 | ||||
-rw-r--r-- | net/sched/act_connmark.c | 1 |
9 files changed, 223 insertions, 92 deletions
diff --git a/net/ipv4/netfilter/nf_defrag_ipv4.c b/net/ipv4/netfilter/nf_defrag_ipv4.c index 20fe8e67c09b..9306ec4fab41 100644 --- a/net/ipv4/netfilter/nf_defrag_ipv4.c +++ b/net/ipv4/netfilter/nf_defrag_ipv4.c @@ -45,8 +45,12 @@ static enum ip_defrag_users nf_ct_defrag_user(unsigned int hooknum, { u16 zone_id = NF_CT_DEFAULT_ZONE_ID; #if IS_ENABLED(CONFIG_NF_CONNTRACK) - if (skb->nfct) - zone_id = nf_ct_zone((struct nf_conn *)skb->nfct)->id; + if (skb->nfct) { + enum ip_conntrack_info ctinfo; + const struct nf_conn *ct = nf_ct_get(skb, &ctinfo); + + zone_id = nf_ct_zone_id(nf_ct_zone(ct), CTINFO2DIR(ctinfo)); + } #endif if (nf_bridge_in_prerouting(skb)) return IP_DEFRAG_CONNTRACK_BRIDGE_IN + zone_id; diff --git a/net/ipv6/netfilter/nf_defrag_ipv6_hooks.c b/net/ipv6/netfilter/nf_defrag_ipv6_hooks.c index 9d3de9b74856..6d9c0b3d5b8c 100644 --- a/net/ipv6/netfilter/nf_defrag_ipv6_hooks.c +++ b/net/ipv6/netfilter/nf_defrag_ipv6_hooks.c @@ -35,8 +35,12 @@ static enum ip6_defrag_users nf_ct6_defrag_user(unsigned int hooknum, { u16 zone_id = NF_CT_DEFAULT_ZONE_ID; #if IS_ENABLED(CONFIG_NF_CONNTRACK) - if (skb->nfct) - zone_id = nf_ct_zone((struct nf_conn *)skb->nfct)->id; + if (skb->nfct) { + enum ip_conntrack_info ctinfo; + const struct nf_conn *ct = nf_ct_get(skb, &ctinfo); + + zone_id = nf_ct_zone_id(nf_ct_zone(ct), CTINFO2DIR(ctinfo)); + } #endif if (nf_bridge_in_prerouting(skb)) return IP6_DEFRAG_CONNTRACK_BRIDGE_IN + zone_id; diff --git a/net/netfilter/nf_conntrack_core.c b/net/netfilter/nf_conntrack_core.c index 0bb26e84f849..acc06222ce6a 100644 --- a/net/netfilter/nf_conntrack_core.c +++ b/net/netfilter/nf_conntrack_core.c @@ -126,8 +126,7 @@ EXPORT_PER_CPU_SYMBOL(nf_conntrack_untracked); unsigned int nf_conntrack_hash_rnd __read_mostly; EXPORT_SYMBOL_GPL(nf_conntrack_hash_rnd); -static u32 hash_conntrack_raw(const struct nf_conntrack_tuple *tuple, - const struct nf_conntrack_zone *zone) +static u32 hash_conntrack_raw(const struct nf_conntrack_tuple *tuple) { unsigned int n; @@ -136,7 +135,7 @@ static u32 hash_conntrack_raw(const struct nf_conntrack_tuple *tuple, * three bytes manually. */ n = (sizeof(tuple->src) + sizeof(tuple->dst.u3)) / sizeof(u32); - return jhash2((u32 *)tuple, n, zone->id ^ nf_conntrack_hash_rnd ^ + return jhash2((u32 *)tuple, n, nf_conntrack_hash_rnd ^ (((__force __u16)tuple->dst.u.all << 16) | tuple->dst.protonum)); } @@ -152,17 +151,15 @@ static u32 hash_bucket(u32 hash, const struct net *net) } static u_int32_t __hash_conntrack(const struct nf_conntrack_tuple *tuple, - const struct nf_conntrack_zone *zone, unsigned int size) { - return __hash_bucket(hash_conntrack_raw(tuple, zone), size); + return __hash_bucket(hash_conntrack_raw(tuple), size); } static inline u_int32_t hash_conntrack(const struct net *net, - const struct nf_conntrack_zone *zone, const struct nf_conntrack_tuple *tuple) { - return __hash_conntrack(tuple, zone, net->ct.htable_size); + return __hash_conntrack(tuple, net->ct.htable_size); } bool @@ -312,6 +309,7 @@ struct nf_conn *nf_ct_tmpl_alloc(struct net *net, if (!nf_ct_zone) goto out_free; nf_ct_zone->id = zone->id; + nf_ct_zone->dir = zone->dir; } #endif atomic_set(&tmpl->ct_general.use, 0); @@ -376,20 +374,18 @@ destroy_conntrack(struct nf_conntrack *nfct) static void nf_ct_delete_from_lists(struct nf_conn *ct) { - const struct nf_conntrack_zone *zone; struct net *net = nf_ct_net(ct); unsigned int hash, reply_hash; unsigned int sequence; - zone = nf_ct_zone(ct); nf_ct_helper_destroy(ct); local_bh_disable(); do { sequence = read_seqcount_begin(&net->ct.generation); - hash = hash_conntrack(net, zone, + hash = hash_conntrack(net, &ct->tuplehash[IP_CT_DIR_ORIGINAL].tuple); - reply_hash = hash_conntrack(net, zone, + reply_hash = hash_conntrack(net, &ct->tuplehash[IP_CT_DIR_REPLY].tuple); } while (nf_conntrack_double_lock(net, hash, reply_hash, sequence)); @@ -446,7 +442,7 @@ nf_ct_key_equal(struct nf_conntrack_tuple_hash *h, * so we need to check that the conntrack is confirmed */ return nf_ct_tuple_equal(tuple, &h->tuple) && - nf_ct_zone_equal(ct, zone) && + nf_ct_zone_equal(ct, zone, NF_CT_DIRECTION(h)) && nf_ct_is_confirmed(ct); } @@ -523,7 +519,7 @@ nf_conntrack_find_get(struct net *net, const struct nf_conntrack_zone *zone, const struct nf_conntrack_tuple *tuple) { return __nf_conntrack_find_get(net, zone, tuple, - hash_conntrack_raw(tuple, zone)); + hash_conntrack_raw(tuple)); } EXPORT_SYMBOL_GPL(nf_conntrack_find_get); @@ -554,9 +550,9 @@ nf_conntrack_hash_check_insert(struct nf_conn *ct) local_bh_disable(); do { sequence = read_seqcount_begin(&net->ct.generation); - hash = hash_conntrack(net, zone, + hash = hash_conntrack(net, &ct->tuplehash[IP_CT_DIR_ORIGINAL].tuple); - reply_hash = hash_conntrack(net, zone, + reply_hash = hash_conntrack(net, &ct->tuplehash[IP_CT_DIR_REPLY].tuple); } while (nf_conntrack_double_lock(net, hash, reply_hash, sequence)); @@ -564,12 +560,14 @@ nf_conntrack_hash_check_insert(struct nf_conn *ct) hlist_nulls_for_each_entry(h, n, &net->ct.hash[hash], hnnode) if (nf_ct_tuple_equal(&ct->tuplehash[IP_CT_DIR_ORIGINAL].tuple, &h->tuple) && - nf_ct_zone_equal(nf_ct_tuplehash_to_ctrack(h), zone)) + nf_ct_zone_equal(nf_ct_tuplehash_to_ctrack(h), zone, + NF_CT_DIRECTION(h))) goto out; hlist_nulls_for_each_entry(h, n, &net->ct.hash[reply_hash], hnnode) if (nf_ct_tuple_equal(&ct->tuplehash[IP_CT_DIR_REPLY].tuple, &h->tuple) && - nf_ct_zone_equal(nf_ct_tuplehash_to_ctrack(h), zone)) + nf_ct_zone_equal(nf_ct_tuplehash_to_ctrack(h), zone, + NF_CT_DIRECTION(h))) goto out; add_timer(&ct->timeout); @@ -623,7 +621,7 @@ __nf_conntrack_confirm(struct sk_buff *skb) /* reuse the hash saved before */ hash = *(unsigned long *)&ct->tuplehash[IP_CT_DIR_REPLY].hnnode.pprev; hash = hash_bucket(hash, net); - reply_hash = hash_conntrack(net, zone, + reply_hash = hash_conntrack(net, &ct->tuplehash[IP_CT_DIR_REPLY].tuple); } while (nf_conntrack_double_lock(net, hash, reply_hash, sequence)); @@ -655,12 +653,14 @@ __nf_conntrack_confirm(struct sk_buff *skb) hlist_nulls_for_each_entry(h, n, &net->ct.hash[hash], hnnode) if (nf_ct_tuple_equal(&ct->tuplehash[IP_CT_DIR_ORIGINAL].tuple, &h->tuple) && - nf_ct_zone_equal(nf_ct_tuplehash_to_ctrack(h), zone)) + nf_ct_zone_equal(nf_ct_tuplehash_to_ctrack(h), zone, + NF_CT_DIRECTION(h))) goto out; hlist_nulls_for_each_entry(h, n, &net->ct.hash[reply_hash], hnnode) if (nf_ct_tuple_equal(&ct->tuplehash[IP_CT_DIR_REPLY].tuple, &h->tuple) && - nf_ct_zone_equal(nf_ct_tuplehash_to_ctrack(h), zone)) + nf_ct_zone_equal(nf_ct_tuplehash_to_ctrack(h), zone, + NF_CT_DIRECTION(h))) goto out; /* Timer relative to confirmation time, not original @@ -720,7 +720,7 @@ nf_conntrack_tuple_taken(const struct nf_conntrack_tuple *tuple, unsigned int hash; zone = nf_ct_zone(ignored_conntrack); - hash = hash_conntrack(net, zone, tuple); + hash = hash_conntrack(net, tuple); /* Disable BHs the entire time since we need to disable them at * least once for the stats anyway. @@ -730,7 +730,7 @@ nf_conntrack_tuple_taken(const struct nf_conntrack_tuple *tuple, ct = nf_ct_tuplehash_to_ctrack(h); if (ct != ignored_conntrack && nf_ct_tuple_equal(tuple, &h->tuple) && - nf_ct_zone_equal(ct, zone)) { + nf_ct_zone_equal(ct, zone, NF_CT_DIRECTION(h))) { NF_CT_STAT_INC(net, found); rcu_read_unlock_bh(); return 1; @@ -830,7 +830,7 @@ __nf_conntrack_alloc(struct net *net, if (unlikely(!nf_conntrack_hash_rnd)) { init_nf_conntrack_hash_rnd(); /* recompute the hash as nf_conntrack_hash_rnd is initialized */ - hash = hash_conntrack_raw(orig, zone); + hash = hash_conntrack_raw(orig); } /* We don't want any race condition at early drop stage */ @@ -875,6 +875,7 @@ __nf_conntrack_alloc(struct net *net, if (!nf_ct_zone) goto out_free; nf_ct_zone->id = zone->id; + nf_ct_zone->dir = zone->dir; } #endif /* Because we use RCU lookups, we set ct_general.use to zero before @@ -1053,7 +1054,7 @@ resolve_normal_ct(struct net *net, struct nf_conn *tmpl, /* look for tuple match */ zone = nf_ct_zone_tmpl(tmpl); - hash = hash_conntrack_raw(&tuple, zone); + hash = hash_conntrack_raw(&tuple); h = __nf_conntrack_find_get(net, zone, &tuple, hash); if (!h) { h = init_conntrack(net, tmpl, &tuple, l3proto, l4proto, @@ -1306,6 +1307,7 @@ EXPORT_SYMBOL_GPL(__nf_ct_kill_acct); /* Built-in default zone used e.g. by modules. */ const struct nf_conntrack_zone nf_ct_zone_dflt = { .id = NF_CT_DEFAULT_ZONE_ID, + .dir = NF_CT_DEFAULT_ZONE_DIR, }; EXPORT_SYMBOL_GPL(nf_ct_zone_dflt); @@ -1617,8 +1619,7 @@ int nf_conntrack_set_hashsize(const char *val, struct kernel_param *kp) struct nf_conntrack_tuple_hash, hnnode); ct = nf_ct_tuplehash_to_ctrack(h); hlist_nulls_del_rcu(&h->hnnode); - bucket = __hash_conntrack(&h->tuple, nf_ct_zone(ct), - hashsize); + bucket = __hash_conntrack(&h->tuple, hashsize); hlist_nulls_add_head_rcu(&h->hnnode, &hash[bucket]); } } diff --git a/net/netfilter/nf_conntrack_expect.c b/net/netfilter/nf_conntrack_expect.c index 980db854c3c8..acf5c7b3f378 100644 --- a/net/netfilter/nf_conntrack_expect.c +++ b/net/netfilter/nf_conntrack_expect.c @@ -101,7 +101,7 @@ __nf_ct_expect_find(struct net *net, h = nf_ct_expect_dst_hash(tuple); hlist_for_each_entry_rcu(i, &net->ct.expect_hash[h], hnode) { if (nf_ct_tuple_mask_cmp(tuple, &i->tuple, &i->mask) && - nf_ct_zone_equal(i->master, zone)) + nf_ct_zone_equal_any(i->master, zone)) return i; } return NULL; @@ -143,7 +143,7 @@ nf_ct_find_expectation(struct net *net, hlist_for_each_entry(i, &net->ct.expect_hash[h], hnode) { if (!(i->flags & NF_CT_EXPECT_INACTIVE) && nf_ct_tuple_mask_cmp(tuple, &i->tuple, &i->mask) && - nf_ct_zone_equal(i->master, zone)) { + nf_ct_zone_equal_any(i->master, zone)) { exp = i; break; } @@ -223,7 +223,7 @@ static inline int expect_clash(const struct nf_conntrack_expect *a, } return nf_ct_tuple_mask_cmp(&a->tuple, &b->tuple, &intersect_mask) && - nf_ct_zone_equal(a->master, nf_ct_zone(b->master)); + nf_ct_zone_equal_any(a->master, nf_ct_zone(b->master)); } static inline int expect_matches(const struct nf_conntrack_expect *a, @@ -232,7 +232,7 @@ static inline int expect_matches(const struct nf_conntrack_expect *a, return a->master == b->master && a->class == b->class && nf_ct_tuple_equal(&a->tuple, &b->tuple) && nf_ct_tuple_mask_equal(&a->mask, &b->mask) && - nf_ct_zone_equal(a->master, nf_ct_zone(b->master)); + nf_ct_zone_equal_any(a->master, nf_ct_zone(b->master)); } /* Generally a bad idea to call this: could have matched already. */ diff --git a/net/netfilter/nf_conntrack_netlink.c b/net/netfilter/nf_conntrack_netlink.c index 95f7f01e253d..4eaf925bead4 100644 --- a/net/netfilter/nf_conntrack_netlink.c +++ b/net/netfilter/nf_conntrack_netlink.c @@ -128,6 +128,20 @@ ctnetlink_dump_tuples(struct sk_buff *skb, } static inline int +ctnetlink_dump_zone_id(struct sk_buff *skb, int attrtype, + const struct nf_conntrack_zone *zone, int dir) +{ + if (zone->id == NF_CT_DEFAULT_ZONE_ID || zone->dir != dir) + return 0; + if (nla_put_be16(skb, attrtype, htons(zone->id))) + goto nla_put_failure; + return 0; + +nla_put_failure: + return -1; +} + +static inline int ctnetlink_dump_status(struct sk_buff *skb, const struct nf_conn *ct) { if (nla_put_be32(skb, CTA_STATUS, htonl(ct->status))) @@ -474,11 +488,16 @@ ctnetlink_fill_info(struct sk_buff *skb, u32 portid, u32 seq, u32 type, nfmsg->version = NFNETLINK_V0; nfmsg->res_id = 0; + zone = nf_ct_zone(ct); + nest_parms = nla_nest_start(skb, CTA_TUPLE_ORIG | NLA_F_NESTED); if (!nest_parms) goto nla_put_failure; if (ctnetlink_dump_tuples(skb, nf_ct_tuple(ct, IP_CT_DIR_ORIGINAL)) < 0) goto nla_put_failure; + if (ctnetlink_dump_zone_id(skb, CTA_TUPLE_ZONE, zone, + NF_CT_ZONE_DIR_ORIG) < 0) + goto nla_put_failure; nla_nest_end(skb, nest_parms); nest_parms = nla_nest_start(skb, CTA_TUPLE_REPLY | NLA_F_NESTED); @@ -486,11 +505,13 @@ ctnetlink_fill_info(struct sk_buff *skb, u32 portid, u32 seq, u32 type, goto nla_put_failure; if (ctnetlink_dump_tuples(skb, nf_ct_tuple(ct, IP_CT_DIR_REPLY)) < 0) goto nla_put_failure; + if (ctnetlink_dump_zone_id(skb, CTA_TUPLE_ZONE, zone, + NF_CT_ZONE_DIR_REPL) < 0) + goto nla_put_failure; nla_nest_end(skb, nest_parms); - zone = nf_ct_zone(ct); - if (zone->id != NF_CT_DEFAULT_ZONE_ID && - nla_put_be16(skb, CTA_ZONE, htons(zone->id))) + if (ctnetlink_dump_zone_id(skb, CTA_ZONE, zone, + NF_CT_DEFAULT_ZONE_DIR) < 0) goto nla_put_failure; if (ctnetlink_dump_status(skb, ct) < 0 || @@ -600,7 +621,7 @@ ctnetlink_nlmsg_size(const struct nf_conn *ct) + nla_total_size(sizeof(u_int32_t)) /* CTA_MARK */ #endif #ifdef CONFIG_NF_CONNTRACK_ZONES - + nla_total_size(sizeof(u_int16_t)) /* CTA_ZONE */ + + nla_total_size(sizeof(u_int16_t)) /* CTA_ZONE|CTA_TUPLE_ZONE */ #endif + ctnetlink_proto_size(ct) + ctnetlink_label_size(ct) @@ -658,11 +679,16 @@ ctnetlink_conntrack_event(unsigned int events, struct nf_ct_event *item) nfmsg->res_id = 0; rcu_read_lock(); + zone = nf_ct_zone(ct); + nest_parms = nla_nest_start(skb, CTA_TUPLE_ORIG | NLA_F_NESTED); if (!nest_parms) goto nla_put_failure; if (ctnetlink_dump_tuples(skb, nf_ct_tuple(ct, IP_CT_DIR_ORIGINAL)) < 0) goto nla_put_failure; + if (ctnetlink_dump_zone_id(skb, CTA_TUPLE_ZONE, zone, + NF_CT_ZONE_DIR_ORIG) < 0) + goto nla_put_failure; nla_nest_end(skb, nest_parms); nest_parms = nla_nest_start(skb, CTA_TUPLE_REPLY | NLA_F_NESTED); @@ -670,11 +696,13 @@ ctnetlink_conntrack_event(unsigned int events, struct nf_ct_event *item) goto nla_put_failure; if (ctnetlink_dump_tuples(skb, nf_ct_tuple(ct, IP_CT_DIR_REPLY)) < 0) goto nla_put_failure; + if (ctnetlink_dump_zone_id(skb, CTA_TUPLE_ZONE, zone, + NF_CT_ZONE_DIR_REPL) < 0) + goto nla_put_failure; nla_nest_end(skb, nest_parms); - zone = nf_ct_zone(ct); - if (zone->id != NF_CT_DEFAULT_ZONE_ID && - nla_put_be16(skb, CTA_ZONE, htons(zone->id))) + if (ctnetlink_dump_zone_id(skb, CTA_ZONE, zone, + NF_CT_DEFAULT_ZONE_DIR) < 0) goto nla_put_failure; if (ctnetlink_dump_id(skb, ct) < 0) @@ -924,15 +952,55 @@ ctnetlink_parse_tuple_proto(struct nlattr *attr, return ret; } +static int +ctnetlink_parse_zone(const struct nlattr *attr, + struct nf_conntrack_zone *zone) +{ + zone->id = NF_CT_DEFAULT_ZONE_ID; + zone->dir = NF_CT_DEFAULT_ZONE_DIR; + +#ifdef CONFIG_NF_CONNTRACK_ZONES + if (attr) + zone->id = ntohs(nla_get_be16(attr)); +#else + if (attr) + return -EOPNOTSUPP; +#endif + return 0; +} + +static int +ctnetlink_parse_tuple_zone(struct nlattr *attr, enum ctattr_type type, + struct nf_conntrack_zone *zone) +{ + int ret; + + if (zone->id != NF_CT_DEFAULT_ZONE_ID) + return -EINVAL; + + ret = ctnetlink_parse_zone(attr, zone); + if (ret < 0) + return ret; + + if (type == CTA_TUPLE_REPLY) + zone->dir = NF_CT_ZONE_DIR_REPL; + else + zone->dir = NF_CT_ZONE_DIR_ORIG; + + return 0; +} + static const struct nla_policy tuple_nla_policy[CTA_TUPLE_MAX+1] = { [CTA_TUPLE_IP] = { .type = NLA_NESTED }, [CTA_TUPLE_PROTO] = { .type = NLA_NESTED }, + [CTA_TUPLE_ZONE] = { .type = NLA_U16 }, }; static int ctnetlink_parse_tuple(const struct nlattr * const cda[], struct nf_conntrack_tuple *tuple, - enum ctattr_type type, u_int8_t l3num) + enum ctattr_type type, u_int8_t l3num, + struct nf_conntrack_zone *zone) { struct nlattr *tb[CTA_TUPLE_MAX+1]; int err; @@ -959,6 +1027,16 @@ ctnetlink_parse_tuple(const struct nlattr * const cda[], if (err < 0) return err; + if (tb[CTA_TUPLE_ZONE]) { + if (!zone) + return -EINVAL; + + err = ctnetlink_parse_tuple_zone(tb[CTA_TUPLE_ZONE], + type, zone); + if (err < 0) + return err; + } + /* orig and expect tuples get DIR_ORIGINAL */ if (type == CTA_TUPLE_REPLY) tuple->dst.dir = IP_CT_DIR_REPLY; @@ -968,22 +1046,6 @@ ctnetlink_parse_tuple(const struct nlattr * const cda[], return 0; } -static int -ctnetlink_parse_zone(const struct nlattr *attr, - struct nf_conntrack_zone *zone) -{ - zone->id = NF_CT_DEFAULT_ZONE_ID; - -#ifdef CONFIG_NF_CONNTRACK_ZONES - if (attr) - zone->id = ntohs(nla_get_be16(attr)); -#else - if (attr) - return -EOPNOTSUPP; -#endif - return 0; -} - static const struct nla_policy help_nla_policy[CTA_HELP_MAX+1] = { [CTA_HELP_NAME] = { .type = NLA_NUL_STRING, .len = NF_CT_HELPER_NAME_LEN - 1 }, @@ -1071,9 +1133,11 @@ ctnetlink_del_conntrack(struct sock *ctnl, struct sk_buff *skb, return err; if (cda[CTA_TUPLE_ORIG]) - err = ctnetlink_parse_tuple(cda, &tuple, CTA_TUPLE_ORIG, u3); + err = ctnetlink_parse_tuple(cda, &tuple, CTA_TUPLE_ORIG, + u3, &zone); else if (cda[CTA_TUPLE_REPLY]) - err = ctnetlink_parse_tuple(cda, &tuple, CTA_TUPLE_REPLY, u3); + err = ctnetlink_parse_tuple(cda, &tuple, CTA_TUPLE_REPLY, + u3, &zone); else { return ctnetlink_flush_conntrack(net, cda, NETLINK_CB(skb).portid, @@ -1143,9 +1207,11 @@ ctnetlink_get_conntrack(struct sock *ctnl, struct sk_buff *skb, return err; if (cda[CTA_TUPLE_ORIG]) - err = ctnetlink_parse_tuple(cda, &tuple, CTA_TUPLE_ORIG, u3); + err = ctnetlink_parse_tuple(cda, &tuple, CTA_TUPLE_ORIG, + u3, &zone); else if (cda[CTA_TUPLE_REPLY]) - err = ctnetlink_parse_tuple(cda, &tuple, CTA_TUPLE_REPLY, u3); + err = ctnetlink_parse_tuple(cda, &tuple, CTA_TUPLE_REPLY, + u3, &zone); else return -EINVAL; @@ -1767,7 +1833,8 @@ ctnetlink_create_conntrack(struct net *net, struct nf_conntrack_tuple_hash *master_h; struct nf_conn *master_ct; - err = ctnetlink_parse_tuple(cda, &master, CTA_TUPLE_MASTER, u3); + err = ctnetlink_parse_tuple(cda, &master, CTA_TUPLE_MASTER, + u3, NULL); if (err < 0) goto err2; @@ -1818,13 +1885,15 @@ ctnetlink_new_conntrack(struct sock *ctnl, struct sk_buff *skb, return err; if (cda[CTA_TUPLE_ORIG]) { - err = ctnetlink_parse_tuple(cda, &otuple, CTA_TUPLE_ORIG, u3); + err = ctnetlink_parse_tuple(cda, &otuple, CTA_TUPLE_ORIG, + u3, &zone); if (err < 0) return err; } if (cda[CTA_TUPLE_REPLY]) { - err = ctnetlink_parse_tuple(cda, &rtuple, CTA_TUPLE_REPLY, u3); + err = ctnetlink_parse_tuple(cda, &rtuple, CTA_TUPLE_REPLY, + u3, &zone); if (err < 0) return err; } @@ -2088,7 +2157,7 @@ ctnetlink_nfqueue_build_size(const struct nf_conn *ct) + nla_total_size(sizeof(u_int32_t)) /* CTA_MARK */ #endif #ifdef CONFIG_NF_CONNTRACK_ZONES - + nla_total_size(sizeof(u_int16_t)) /* CTA_ZONE */ + + nla_total_size(sizeof(u_int16_t)) /* CTA_ZONE|CTA_TUPLE_ZONE */ #endif + ctnetlink_proto_size(ct) ; @@ -2101,11 +2170,16 @@ ctnetlink_nfqueue_build(struct sk_buff *skb, struct nf_conn *ct) struct nlattr *nest_parms; rcu_read_lock(); + zone = nf_ct_zone(ct); + nest_parms = nla_nest_start(skb, CTA_TUPLE_ORIG | NLA_F_NESTED); if (!nest_parms) goto nla_put_failure; if (ctnetlink_dump_tuples(skb, nf_ct_tuple(ct, IP_CT_DIR_ORIGINAL)) < 0) goto nla_put_failure; + if (ctnetlink_dump_zone_id(skb, CTA_TUPLE_ZONE, zone, + NF_CT_ZONE_DIR_ORIG) < 0) + goto nla_put_failure; nla_nest_end(skb, nest_parms); nest_parms = nla_nest_start(skb, CTA_TUPLE_REPLY | NLA_F_NESTED); @@ -2113,11 +2187,13 @@ ctnetlink_nfqueue_build(struct sk_buff *skb, struct nf_conn *ct) goto nla_put_failure; if (ctnetlink_dump_tuples(skb, nf_ct_tuple(ct, IP_CT_DIR_REPLY)) < 0) goto nla_put_failure; + if (ctnetlink_dump_zone_id(skb, CTA_TUPLE_ZONE, zone, + NF_CT_ZONE_DIR_REPL) < 0) + goto nla_put_failure; nla_nest_end(skb, nest_parms); - zone = nf_ct_zone(ct); - if (zone->id != NF_CT_DEFAULT_ZONE_ID && - nla_put_be16(skb, CTA_ZONE, htons(zone->id))) + if (ctnetlink_dump_zone_id(skb, CTA_ZONE, zone, + NF_CT_DEFAULT_ZONE_DIR) < 0) goto nla_put_failure; if (ctnetlink_dump_id(skb, ct) < 0) @@ -2225,12 +2301,12 @@ static int ctnetlink_nfqueue_exp_parse(const struct nlattr * const *cda, int err; err = ctnetlink_parse_tuple(cda, tuple, CTA_EXPECT_TUPLE, - nf_ct_l3num(ct)); + nf_ct_l3num(ct), NULL); if (err < 0) return err; return ctnetlink_parse_tuple(cda, mask, CTA_EXPECT_MASK, - nf_ct_l3num(ct)); + nf_ct_l3num(ct), NULL); } static int @@ -2625,7 +2701,8 @@ static int ctnetlink_dump_exp_ct(struct sock *ctnl, struct sk_buff *skb, .done = ctnetlink_exp_done, }; - err = ctnetlink_parse_tuple(cda, &tuple, CTA_EXPECT_MASTER, u3); + err = ctnetlink_parse_tuple(cda, &tuple, CTA_EXPECT_MASTER, + u3, NULL); if (err < 0) return err; @@ -2677,9 +2754,11 @@ ctnetlink_get_expect(struct sock *ctnl, struct sk_buff *skb, return err; if (cda[CTA_EXPECT_TUPLE]) - err = ctnetlink_parse_tuple(cda, &tuple, CTA_EXPECT_TUPLE, u3); + err = ctnetlink_parse_tuple(cda, &tuple, CTA_EXPECT_TUPLE, + u3, NULL); else if (cda[CTA_EXPECT_MASTER]) - err = ctnetlink_parse_tuple(cda, &tuple, CTA_EXPECT_MASTER, u3); + err = ctnetlink_parse_tuple(cda, &tuple, CTA_EXPECT_MASTER, + u3, NULL); else return -EINVAL; @@ -2747,7 +2826,8 @@ ctnetlink_del_expect(struct sock *ctnl, struct sk_buff *skb, if (err < 0) return err; - err = ctnetlink_parse_tuple(cda, &tuple, CTA_EXPECT_TUPLE, u3); + err = ctnetlink_parse_tuple(cda, &tuple, CTA_EXPECT_TUPLE, + u3, NULL); if (err < 0) return err; @@ -2854,7 +2934,8 @@ ctnetlink_parse_expect_nat(const struct nlattr *attr, return -EINVAL; err = ctnetlink_parse_tuple((const struct nlattr * const *)tb, - &nat_tuple, CTA_EXPECT_NAT_TUPLE, u3); + &nat_tuple, CTA_EXPECT_NAT_TUPLE, + u3, NULL); if (err < 0) return err; @@ -2955,13 +3036,16 @@ ctnetlink_create_expect(struct net *net, int err; /* caller guarantees that those three CTA_EXPECT_* exist */ - err = ctnetlink_parse_tuple(cda, &tuple, CTA_EXPECT_TUPLE, u3); + err = ctnetlink_parse_tuple(cda, &tuple, CTA_EXPECT_TUPLE, + u3, NULL); if (err < 0) return err; - err = ctnetlink_parse_tuple(cda, &mask, CTA_EXPECT_MASK, u3); + err = ctnetlink_parse_tuple(cda, &mask, CTA_EXPECT_MASK, + u3, NULL); if (err < 0) return err; - err = ctnetlink_parse_tuple(cda, &master_tuple, CTA_EXPECT_MASTER, u3); + err = ctnetlink_parse_tuple(cda, &master_tuple, CTA_EXPECT_MASTER, + u3, NULL); if (err < 0) return err; @@ -3029,7 +3113,8 @@ ctnetlink_new_expect(struct sock *ctnl, struct sk_buff *skb, if (err < 0) return err; - err = ctnetlink_parse_tuple(cda, &tuple, CTA_EXPECT_TUPLE, u3); + err = ctnetlink_parse_tuple(cda, &tuple, CTA_EXPECT_TUPLE, + u3, NULL); if (err < 0) return err; diff --git a/net/netfilter/nf_conntrack_standalone.c b/net/netfilter/nf_conntrack_standalone.c index 28c8b2b982ec..1fb3cacc04e1 100644 --- a/net/netfilter/nf_conntrack_standalone.c +++ b/net/netfilter/nf_conntrack_standalone.c @@ -141,12 +141,30 @@ static inline void ct_show_secctx(struct seq_file *s, const struct nf_conn *ct) #endif #ifdef CONFIG_NF_CONNTRACK_ZONES -static void ct_show_zone(struct seq_file *s, const struct nf_conn *ct) +static void ct_show_zone(struct seq_file *s, const struct nf_conn *ct, + int dir) { - seq_printf(s, "zone=%u ", nf_ct_zone(ct)->id); + const struct nf_conntrack_zone *zone = nf_ct_zone(ct); + + if (zone->dir != dir) + return; + switch (zone->dir) { + case NF_CT_DEFAULT_ZONE_DIR: + seq_printf(s, "zone=%u ", zone->id); + break; + case NF_CT_ZONE_DIR_ORIG: + seq_printf(s, "zone-orig=%u ", zone->id); + break; + case NF_CT_ZONE_DIR_REPL: + seq_printf(s, "zone-reply=%u ", zone->id); + break; + default: + break; + } } #else -static inline void ct_show_zone(struct seq_file *s, const struct nf_conn *ct) +static inline void ct_show_zone(struct seq_file *s, const struct nf_conn *ct, + int dir) { } #endif @@ -213,6 +231,8 @@ static int ct_seq_show(struct seq_file *s, void *v) print_tuple(s, &ct->tuplehash[IP_CT_DIR_ORIGINAL].tuple, l3proto, l4proto); + ct_show_zone(s, ct, NF_CT_ZONE_DIR_ORIG); + if (seq_has_overflowed(s)) goto release; @@ -225,6 +245,8 @@ static int ct_seq_show(struct seq_file *s, void *v) print_tuple(s, &ct->tuplehash[IP_CT_DIR_REPLY].tuple, l3proto, l4proto); + ct_show_zone(s, ct, NF_CT_ZONE_DIR_REPL); + if (seq_print_acct(s, ct, IP_CT_DIR_REPLY)) goto release; @@ -239,7 +261,7 @@ static int ct_seq_show(struct seq_file *s, void *v) #endif ct_show_secctx(s, ct); - ct_show_zone(s, ct); + ct_show_zone(s, ct, NF_CT_DEFAULT_ZONE_DIR); ct_show_delta_time(s, ct); seq_printf(s, "use=%u\n", atomic_read(&ct->ct_general.use)); diff --git a/net/netfilter/nf_nat_core.c b/net/netfilter/nf_nat_core.c index 65ebaf9fc4f9..5113dfd39df9 100644 --- a/net/netfilter/nf_nat_core.c +++ b/net/netfilter/nf_nat_core.c @@ -118,15 +118,13 @@ EXPORT_SYMBOL(nf_xfrm_me_harder); /* We keep an extra hash for each conntrack, for fast searching. */ static inline unsigned int -hash_by_src(const struct net *net, - const struct nf_conntrack_zone *zone, - const struct nf_conntrack_tuple *tuple) +hash_by_src(const struct net *net, const struct nf_conntrack_tuple *tuple) { unsigned int hash; /* Original src, to ensure we map it consistently if poss. */ hash = jhash2((u32 *)&tuple->src, sizeof(tuple->src) / sizeof(u32), - tuple->dst.protonum ^ zone->id ^ nf_conntrack_hash_rnd); + tuple->dst.protonum ^ nf_conntrack_hash_rnd); return reciprocal_scale(hash, net->ct.nat_htable_size); } @@ -194,13 +192,14 @@ find_appropriate_src(struct net *net, struct nf_conntrack_tuple *result, const struct nf_nat_range *range) { - unsigned int h = hash_by_src(net, zone, tuple); + unsigned int h = hash_by_src(net, tuple); const struct nf_conn_nat *nat; const struct nf_conn *ct; hlist_for_each_entry_rcu(nat, &net->ct.nat_bysource[h], bysource) { ct = nat->ct; - if (same_src(ct, tuple) && nf_ct_zone_equal(ct, zone)) { + if (same_src(ct, tuple) && + nf_ct_zone_equal(ct, zone, IP_CT_DIR_ORIGINAL)) { /* Copy source part from reply tuple. */ nf_ct_invert_tuplepr(result, &ct->tuplehash[IP_CT_DIR_REPLY].tuple); @@ -425,7 +424,7 @@ nf_nat_setup_info(struct nf_conn *ct, if (maniptype == NF_NAT_MANIP_SRC) { unsigned int srchash; - srchash = hash_by_src(net, nf_ct_zone(ct), + srchash = hash_by_src(net, &ct->tuplehash[IP_CT_DIR_ORIGINAL].tuple); spin_lock_bh(&nf_nat_lock); /* nf_conntrack_alter_reply might re-allocate extension aera */ diff --git a/net/netfilter/xt_CT.c b/net/netfilter/xt_CT.c index 29e2856063ff..536cb67928ad 100644 --- a/net/netfilter/xt_CT.c +++ b/net/netfilter/xt_CT.c @@ -181,6 +181,19 @@ out: #endif } +static u16 xt_ct_flags_to_dir(const struct xt_ct_target_info_v1 *info) +{ + switch (info->flags & (XT_CT_ZONE_DIR_ORIG | + XT_CT_ZONE_DIR_REPL)) { + case XT_CT_ZONE_DIR_ORIG: + return NF_CT_ZONE_DIR_ORIG; + case XT_CT_ZONE_DIR_REPL: + return NF_CT_ZONE_DIR_REPL; + default: + return NF_CT_DEFAULT_ZONE_DIR; + } +} + static int xt_ct_tg_check(const struct xt_tgchk_param *par, struct xt_ct_target_info_v1 *info) { @@ -194,7 +207,8 @@ static int xt_ct_tg_check(const struct xt_tgchk_param *par, } #ifndef CONFIG_NF_CONNTRACK_ZONES - if (info->zone) + if (info->zone || info->flags & (XT_CT_ZONE_DIR_ORIG | + XT_CT_ZONE_DIR_REPL)) goto err1; #endif @@ -204,6 +218,7 @@ static int xt_ct_tg_check(const struct xt_tgchk_param *par, memset(&zone, 0, sizeof(zone)); zone.id = info->zone; + zone.dir = xt_ct_flags_to_dir(info); ct = nf_ct_tmpl_alloc(par->net, &zone, GFP_KERNEL); ret = PTR_ERR(ct); diff --git a/net/sched/act_connmark.c b/net/sched/act_connmark.c index e67a1bdd0929..5019a47b9270 100644 --- a/net/sched/act_connmark.c +++ b/net/sched/act_connmark.c @@ -72,6 +72,7 @@ static int tcf_connmark(struct sk_buff *skb, const struct tc_action *a, goto out; zone.id = ca->zone; + zone.dir = NF_CT_DEFAULT_ZONE_DIR; thash = nf_conntrack_find_get(dev_net(skb->dev), &zone, &tuple); if (!thash) |