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-rw-r--r--Documentation/networking/nf_conntrack-sysctl.txt7
-rw-r--r--include/net/netfilter/nf_conntrack.h6
-rw-r--r--include/net/netfilter/nf_tables.h2
-rw-r--r--net/ipv4/netfilter.c5
-rw-r--r--net/ipv4/netfilter/arp_tables.c4
-rw-r--r--net/ipv6/netfilter/nf_conntrack_reasm.c4
-rw-r--r--net/ipv6/netfilter/nf_defrag_ipv6_hooks.c2
-rw-r--r--net/ipv6/netfilter/nf_reject_ipv6.c1
-rw-r--r--net/netfilter/nf_nat_core.c49
-rw-r--r--net/netfilter/nf_tables_api.c14
-rw-r--r--net/netfilter/nft_hash.c7
-rw-r--r--net/netfilter/nft_range.c6
12 files changed, 69 insertions, 38 deletions
diff --git a/Documentation/networking/nf_conntrack-sysctl.txt b/Documentation/networking/nf_conntrack-sysctl.txt
index 399e4e866a9c..433b6724797a 100644
--- a/Documentation/networking/nf_conntrack-sysctl.txt
+++ b/Documentation/networking/nf_conntrack-sysctl.txt
@@ -62,10 +62,13 @@ nf_conntrack_generic_timeout - INTEGER (seconds)
protocols.
nf_conntrack_helper - BOOLEAN
- 0 - disabled
- not 0 - enabled (default)
+ 0 - disabled (default)
+ not 0 - enabled
Enable automatic conntrack helper assignment.
+ If disabled it is required to set up iptables rules to assign
+ helpers to connections. See the CT target description in the
+ iptables-extensions(8) man page for further information.
nf_conntrack_icmp_timeout - INTEGER (seconds)
default 30
diff --git a/include/net/netfilter/nf_conntrack.h b/include/net/netfilter/nf_conntrack.h
index 50418052a520..d9d52c020a70 100644
--- a/include/net/netfilter/nf_conntrack.h
+++ b/include/net/netfilter/nf_conntrack.h
@@ -100,6 +100,9 @@ struct nf_conn {
possible_net_t ct_net;
+#if IS_ENABLED(CONFIG_NF_NAT)
+ struct rhlist_head nat_bysource;
+#endif
/* all members below initialized via memset */
u8 __nfct_init_offset[0];
@@ -117,9 +120,6 @@ struct nf_conn {
/* Extensions */
struct nf_ct_ext *ext;
-#if IS_ENABLED(CONFIG_NF_NAT)
- struct rhash_head nat_bysource;
-#endif
/* Storage reserved for other modules, must be the last member */
union nf_conntrack_proto proto;
};
diff --git a/include/net/netfilter/nf_tables.h b/include/net/netfilter/nf_tables.h
index d79d1e9b9546..b02af0bf5777 100644
--- a/include/net/netfilter/nf_tables.h
+++ b/include/net/netfilter/nf_tables.h
@@ -313,7 +313,7 @@ void nft_unregister_set(struct nft_set_ops *ops);
* @size: maximum set size
* @nelems: number of elements
* @ndeact: number of deactivated elements queued for removal
- * @timeout: default timeout value in msecs
+ * @timeout: default timeout value in jiffies
* @gc_int: garbage collection interval in msecs
* @policy: set parameterization (see enum nft_set_policies)
* @udlen: user data length
diff --git a/net/ipv4/netfilter.c b/net/ipv4/netfilter.c
index c3776ff6749f..b3cc1335adbc 100644
--- a/net/ipv4/netfilter.c
+++ b/net/ipv4/netfilter.c
@@ -24,10 +24,11 @@ int ip_route_me_harder(struct net *net, struct sk_buff *skb, unsigned int addr_t
struct flowi4 fl4 = {};
__be32 saddr = iph->saddr;
__u8 flags = skb->sk ? inet_sk_flowi_flags(skb->sk) : 0;
+ struct net_device *dev = skb_dst(skb)->dev;
unsigned int hh_len;
if (addr_type == RTN_UNSPEC)
- addr_type = inet_addr_type(net, saddr);
+ addr_type = inet_addr_type_dev_table(net, dev, saddr);
if (addr_type == RTN_LOCAL || addr_type == RTN_UNICAST)
flags |= FLOWI_FLAG_ANYSRC;
else
@@ -40,6 +41,8 @@ int ip_route_me_harder(struct net *net, struct sk_buff *skb, unsigned int addr_t
fl4.saddr = saddr;
fl4.flowi4_tos = RT_TOS(iph->tos);
fl4.flowi4_oif = skb->sk ? skb->sk->sk_bound_dev_if : 0;
+ if (!fl4.flowi4_oif)
+ fl4.flowi4_oif = l3mdev_master_ifindex(dev);
fl4.flowi4_mark = skb->mark;
fl4.flowi4_flags = flags;
rt = ip_route_output_key(net, &fl4);
diff --git a/net/ipv4/netfilter/arp_tables.c b/net/ipv4/netfilter/arp_tables.c
index b31df597fd37..697538464e6e 100644
--- a/net/ipv4/netfilter/arp_tables.c
+++ b/net/ipv4/netfilter/arp_tables.c
@@ -1201,8 +1201,8 @@ static int translate_compat_table(struct xt_table_info **pinfo,
newinfo->number = compatr->num_entries;
for (i = 0; i < NF_ARP_NUMHOOKS; i++) {
- newinfo->hook_entry[i] = info->hook_entry[i];
- newinfo->underflow[i] = info->underflow[i];
+ newinfo->hook_entry[i] = compatr->hook_entry[i];
+ newinfo->underflow[i] = compatr->underflow[i];
}
entry1 = newinfo->entries;
pos = entry1;
diff --git a/net/ipv6/netfilter/nf_conntrack_reasm.c b/net/ipv6/netfilter/nf_conntrack_reasm.c
index e4347aeb2e65..9948b5ce52da 100644
--- a/net/ipv6/netfilter/nf_conntrack_reasm.c
+++ b/net/ipv6/netfilter/nf_conntrack_reasm.c
@@ -576,11 +576,11 @@ int nf_ct_frag6_gather(struct net *net, struct sk_buff *skb, u32 user)
/* Jumbo payload inhibits frag. header */
if (ipv6_hdr(skb)->payload_len == 0) {
pr_debug("payload len = 0\n");
- return -EINVAL;
+ return 0;
}
if (find_prev_fhdr(skb, &prevhdr, &nhoff, &fhoff) < 0)
- return -EINVAL;
+ return 0;
if (!pskb_may_pull(skb, fhoff + sizeof(*fhdr)))
return -ENOMEM;
diff --git a/net/ipv6/netfilter/nf_defrag_ipv6_hooks.c b/net/ipv6/netfilter/nf_defrag_ipv6_hooks.c
index f7aab5ab93a5..f06b0471f39f 100644
--- a/net/ipv6/netfilter/nf_defrag_ipv6_hooks.c
+++ b/net/ipv6/netfilter/nf_defrag_ipv6_hooks.c
@@ -69,7 +69,7 @@ static unsigned int ipv6_defrag(void *priv,
if (err == -EINPROGRESS)
return NF_STOLEN;
- return NF_ACCEPT;
+ return err == 0 ? NF_ACCEPT : NF_DROP;
}
static struct nf_hook_ops ipv6_defrag_ops[] = {
diff --git a/net/ipv6/netfilter/nf_reject_ipv6.c b/net/ipv6/netfilter/nf_reject_ipv6.c
index a5400223fd74..10090400c72f 100644
--- a/net/ipv6/netfilter/nf_reject_ipv6.c
+++ b/net/ipv6/netfilter/nf_reject_ipv6.c
@@ -156,6 +156,7 @@ void nf_send_reset6(struct net *net, struct sk_buff *oldskb, int hook)
fl6.daddr = oip6h->saddr;
fl6.fl6_sport = otcph->dest;
fl6.fl6_dport = otcph->source;
+ fl6.flowi6_oif = l3mdev_master_ifindex(skb_dst(oldskb)->dev);
security_skb_classify_flow(oldskb, flowi6_to_flowi(&fl6));
dst = ip6_route_output(net, NULL, &fl6);
if (dst->error) {
diff --git a/net/netfilter/nf_nat_core.c b/net/netfilter/nf_nat_core.c
index bbb8f3df79f7..5b9c884a452e 100644
--- a/net/netfilter/nf_nat_core.c
+++ b/net/netfilter/nf_nat_core.c
@@ -42,7 +42,7 @@ struct nf_nat_conn_key {
const struct nf_conntrack_zone *zone;
};
-static struct rhashtable nf_nat_bysource_table;
+static struct rhltable nf_nat_bysource_table;
inline const struct nf_nat_l3proto *
__nf_nat_l3proto_find(u8 family)
@@ -193,9 +193,12 @@ static int nf_nat_bysource_cmp(struct rhashtable_compare_arg *arg,
const struct nf_nat_conn_key *key = arg->key;
const struct nf_conn *ct = obj;
- return same_src(ct, key->tuple) &&
- net_eq(nf_ct_net(ct), key->net) &&
- nf_ct_zone_equal(ct, key->zone, IP_CT_DIR_ORIGINAL);
+ if (!same_src(ct, key->tuple) ||
+ !net_eq(nf_ct_net(ct), key->net) ||
+ !nf_ct_zone_equal(ct, key->zone, IP_CT_DIR_ORIGINAL))
+ return 1;
+
+ return 0;
}
static struct rhashtable_params nf_nat_bysource_params = {
@@ -204,7 +207,6 @@ static struct rhashtable_params nf_nat_bysource_params = {
.obj_cmpfn = nf_nat_bysource_cmp,
.nelem_hint = 256,
.min_size = 1024,
- .nulls_base = (1U << RHT_BASE_SHIFT),
};
/* Only called for SRC manip */
@@ -223,12 +225,15 @@ find_appropriate_src(struct net *net,
.tuple = tuple,
.zone = zone
};
+ struct rhlist_head *hl;
- ct = rhashtable_lookup_fast(&nf_nat_bysource_table, &key,
- nf_nat_bysource_params);
- if (!ct)
+ hl = rhltable_lookup(&nf_nat_bysource_table, &key,
+ nf_nat_bysource_params);
+ if (!hl)
return 0;
+ ct = container_of(hl, typeof(*ct), nat_bysource);
+
nf_ct_invert_tuplepr(result,
&ct->tuplehash[IP_CT_DIR_REPLY].tuple);
result->dst = tuple->dst;
@@ -446,11 +451,17 @@ nf_nat_setup_info(struct nf_conn *ct,
}
if (maniptype == NF_NAT_MANIP_SRC) {
+ struct nf_nat_conn_key key = {
+ .net = nf_ct_net(ct),
+ .tuple = &ct->tuplehash[IP_CT_DIR_ORIGINAL].tuple,
+ .zone = nf_ct_zone(ct),
+ };
int err;
- err = rhashtable_insert_fast(&nf_nat_bysource_table,
- &ct->nat_bysource,
- nf_nat_bysource_params);
+ err = rhltable_insert_key(&nf_nat_bysource_table,
+ &key,
+ &ct->nat_bysource,
+ nf_nat_bysource_params);
if (err)
return NF_DROP;
}
@@ -567,8 +578,8 @@ static int nf_nat_proto_clean(struct nf_conn *ct, void *data)
* will delete entry from already-freed table.
*/
ct->status &= ~IPS_NAT_DONE_MASK;
- rhashtable_remove_fast(&nf_nat_bysource_table, &ct->nat_bysource,
- nf_nat_bysource_params);
+ rhltable_remove(&nf_nat_bysource_table, &ct->nat_bysource,
+ nf_nat_bysource_params);
/* don't delete conntrack. Although that would make things a lot
* simpler, we'd end up flushing all conntracks on nat rmmod.
@@ -698,8 +709,8 @@ static void nf_nat_cleanup_conntrack(struct nf_conn *ct)
if (!nat)
return;
- rhashtable_remove_fast(&nf_nat_bysource_table, &ct->nat_bysource,
- nf_nat_bysource_params);
+ rhltable_remove(&nf_nat_bysource_table, &ct->nat_bysource,
+ nf_nat_bysource_params);
}
static struct nf_ct_ext_type nat_extend __read_mostly = {
@@ -834,13 +845,13 @@ static int __init nf_nat_init(void)
{
int ret;
- ret = rhashtable_init(&nf_nat_bysource_table, &nf_nat_bysource_params);
+ ret = rhltable_init(&nf_nat_bysource_table, &nf_nat_bysource_params);
if (ret)
return ret;
ret = nf_ct_extend_register(&nat_extend);
if (ret < 0) {
- rhashtable_destroy(&nf_nat_bysource_table);
+ rhltable_destroy(&nf_nat_bysource_table);
printk(KERN_ERR "nf_nat_core: Unable to register extension\n");
return ret;
}
@@ -864,7 +875,7 @@ static int __init nf_nat_init(void)
return 0;
cleanup_extend:
- rhashtable_destroy(&nf_nat_bysource_table);
+ rhltable_destroy(&nf_nat_bysource_table);
nf_ct_extend_unregister(&nat_extend);
return ret;
}
@@ -883,7 +894,7 @@ static void __exit nf_nat_cleanup(void)
for (i = 0; i < NFPROTO_NUMPROTO; i++)
kfree(nf_nat_l4protos[i]);
- rhashtable_destroy(&nf_nat_bysource_table);
+ rhltable_destroy(&nf_nat_bysource_table);
}
MODULE_LICENSE("GPL");
diff --git a/net/netfilter/nf_tables_api.c b/net/netfilter/nf_tables_api.c
index 026581b04ea8..e5194f6f906c 100644
--- a/net/netfilter/nf_tables_api.c
+++ b/net/netfilter/nf_tables_api.c
@@ -2570,7 +2570,8 @@ static int nf_tables_fill_set(struct sk_buff *skb, const struct nft_ctx *ctx,
}
if (set->timeout &&
- nla_put_be64(skb, NFTA_SET_TIMEOUT, cpu_to_be64(set->timeout),
+ nla_put_be64(skb, NFTA_SET_TIMEOUT,
+ cpu_to_be64(jiffies_to_msecs(set->timeout)),
NFTA_SET_PAD))
goto nla_put_failure;
if (set->gc_int &&
@@ -2859,7 +2860,8 @@ static int nf_tables_newset(struct net *net, struct sock *nlsk,
if (nla[NFTA_SET_TIMEOUT] != NULL) {
if (!(flags & NFT_SET_TIMEOUT))
return -EINVAL;
- timeout = be64_to_cpu(nla_get_be64(nla[NFTA_SET_TIMEOUT]));
+ timeout = msecs_to_jiffies(be64_to_cpu(nla_get_be64(
+ nla[NFTA_SET_TIMEOUT])));
}
gc_int = 0;
if (nla[NFTA_SET_GC_INTERVAL] != NULL) {
@@ -3178,7 +3180,8 @@ static int nf_tables_fill_setelem(struct sk_buff *skb,
if (nft_set_ext_exists(ext, NFT_SET_EXT_TIMEOUT) &&
nla_put_be64(skb, NFTA_SET_ELEM_TIMEOUT,
- cpu_to_be64(*nft_set_ext_timeout(ext)),
+ cpu_to_be64(jiffies_to_msecs(
+ *nft_set_ext_timeout(ext))),
NFTA_SET_ELEM_PAD))
goto nla_put_failure;
@@ -3447,7 +3450,7 @@ void *nft_set_elem_init(const struct nft_set *set,
memcpy(nft_set_ext_data(ext), data, set->dlen);
if (nft_set_ext_exists(ext, NFT_SET_EXT_EXPIRATION))
*nft_set_ext_expiration(ext) =
- jiffies + msecs_to_jiffies(timeout);
+ jiffies + timeout;
if (nft_set_ext_exists(ext, NFT_SET_EXT_TIMEOUT))
*nft_set_ext_timeout(ext) = timeout;
@@ -3535,7 +3538,8 @@ static int nft_add_set_elem(struct nft_ctx *ctx, struct nft_set *set,
if (nla[NFTA_SET_ELEM_TIMEOUT] != NULL) {
if (!(set->flags & NFT_SET_TIMEOUT))
return -EINVAL;
- timeout = be64_to_cpu(nla_get_be64(nla[NFTA_SET_ELEM_TIMEOUT]));
+ timeout = msecs_to_jiffies(be64_to_cpu(nla_get_be64(
+ nla[NFTA_SET_ELEM_TIMEOUT])));
} else if (set->flags & NFT_SET_TIMEOUT) {
timeout = set->timeout;
}
diff --git a/net/netfilter/nft_hash.c b/net/netfilter/nft_hash.c
index baf694de3935..d5447a22275c 100644
--- a/net/netfilter/nft_hash.c
+++ b/net/netfilter/nft_hash.c
@@ -53,6 +53,7 @@ static int nft_hash_init(const struct nft_ctx *ctx,
{
struct nft_hash *priv = nft_expr_priv(expr);
u32 len;
+ int err;
if (!tb[NFTA_HASH_SREG] ||
!tb[NFTA_HASH_DREG] ||
@@ -67,8 +68,10 @@ static int nft_hash_init(const struct nft_ctx *ctx,
priv->sreg = nft_parse_register(tb[NFTA_HASH_SREG]);
priv->dreg = nft_parse_register(tb[NFTA_HASH_DREG]);
- len = ntohl(nla_get_be32(tb[NFTA_HASH_LEN]));
- if (len == 0 || len > U8_MAX)
+ err = nft_parse_u32_check(tb[NFTA_HASH_LEN], U8_MAX, &len);
+ if (err < 0)
+ return err;
+ if (len == 0)
return -ERANGE;
priv->len = len;
diff --git a/net/netfilter/nft_range.c b/net/netfilter/nft_range.c
index fbc88009ca2e..8f0aaaea1376 100644
--- a/net/netfilter/nft_range.c
+++ b/net/netfilter/nft_range.c
@@ -59,6 +59,12 @@ static int nft_range_init(const struct nft_ctx *ctx, const struct nft_expr *expr
int err;
u32 op;
+ if (!tb[NFTA_RANGE_SREG] ||
+ !tb[NFTA_RANGE_OP] ||
+ !tb[NFTA_RANGE_FROM_DATA] ||
+ !tb[NFTA_RANGE_TO_DATA])
+ return -EINVAL;
+
err = nft_data_init(NULL, &priv->data_from, sizeof(priv->data_from),
&desc_from, tb[NFTA_RANGE_FROM_DATA]);
if (err < 0)
generated by cgit v1.2.3 (git 2.0.4) at 2024-05-21 18:25:26 +0000