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-rw-r--r--include/uapi/linux/netfilter/xt_sctp.h6
-rw-r--r--net/bridge/br_netfilter_hooks.c3
-rw-r--r--net/netfilter/nf_conntrack_core.c7
-rw-r--r--net/netfilter/nf_conntrack_netlink.c3
-rw-r--r--net/netfilter/nf_flow_table_offload.c83
-rw-r--r--net/netfilter/nf_queue.c2
-rw-r--r--net/netfilter/nf_tables_api.c18
-rw-r--r--net/netfilter/nf_tables_offload.c6
-rw-r--r--net/netfilter/nft_bitwise.c4
-rw-r--r--net/netfilter/nft_cmp.c6
-rw-r--r--net/netfilter/nft_range.c10
-rw-r--r--net/netfilter/nft_set_rbtree.c21
-rwxr-xr-xtools/testing/selftests/netfilter/nft_nat.sh332
13 files changed, 288 insertions, 213 deletions
diff --git a/include/uapi/linux/netfilter/xt_sctp.h b/include/uapi/linux/netfilter/xt_sctp.h
index 4bc6d1a08781..b4d804a9fccb 100644
--- a/include/uapi/linux/netfilter/xt_sctp.h
+++ b/include/uapi/linux/netfilter/xt_sctp.h
@@ -41,19 +41,19 @@ struct xt_sctp_info {
#define SCTP_CHUNKMAP_SET(chunkmap, type) \
do { \
(chunkmap)[type / bytes(__u32)] |= \
- 1 << (type % bytes(__u32)); \
+ 1u << (type % bytes(__u32)); \
} while (0)
#define SCTP_CHUNKMAP_CLEAR(chunkmap, type) \
do { \
(chunkmap)[type / bytes(__u32)] &= \
- ~(1 << (type % bytes(__u32))); \
+ ~(1u << (type % bytes(__u32))); \
} while (0)
#define SCTP_CHUNKMAP_IS_SET(chunkmap, type) \
({ \
((chunkmap)[type / bytes (__u32)] & \
- (1 << (type % bytes (__u32)))) ? 1: 0; \
+ (1u << (type % bytes (__u32)))) ? 1: 0; \
})
#define SCTP_CHUNKMAP_RESET(chunkmap) \
diff --git a/net/bridge/br_netfilter_hooks.c b/net/bridge/br_netfilter_hooks.c
index af7800103e51..59980ecfc962 100644
--- a/net/bridge/br_netfilter_hooks.c
+++ b/net/bridge/br_netfilter_hooks.c
@@ -662,6 +662,9 @@ static unsigned int br_nf_forward_arp(void *priv,
nf_bridge_pull_encap_header(skb);
}
+ if (unlikely(!pskb_may_pull(skb, sizeof(struct arphdr))))
+ return NF_DROP;
+
if (arp_hdr(skb)->ar_pln != 4) {
if (is_vlan_arp(skb, state->net))
nf_bridge_push_encap_header(skb);
diff --git a/net/netfilter/nf_conntrack_core.c b/net/netfilter/nf_conntrack_core.c
index 0af1898af2b8..f475fec84536 100644
--- a/net/netfilter/nf_conntrack_core.c
+++ b/net/netfilter/nf_conntrack_core.c
@@ -895,9 +895,10 @@ static void nf_ct_acct_merge(struct nf_conn *ct, enum ip_conntrack_info ctinfo,
}
/* Resolve race on insertion if this protocol allows this. */
-static int nf_ct_resolve_clash(struct net *net, struct sk_buff *skb,
- enum ip_conntrack_info ctinfo,
- struct nf_conntrack_tuple_hash *h)
+static __cold noinline int
+nf_ct_resolve_clash(struct net *net, struct sk_buff *skb,
+ enum ip_conntrack_info ctinfo,
+ struct nf_conntrack_tuple_hash *h)
{
/* This is the conntrack entry already in hashes that won race. */
struct nf_conn *ct = nf_ct_tuplehash_to_ctrack(h);
diff --git a/net/netfilter/nf_conntrack_netlink.c b/net/netfilter/nf_conntrack_netlink.c
index d8d33ef52ce0..6a1c8f1f6171 100644
--- a/net/netfilter/nf_conntrack_netlink.c
+++ b/net/netfilter/nf_conntrack_netlink.c
@@ -3626,6 +3626,9 @@ static void __net_exit ctnetlink_net_exit_batch(struct list_head *net_exit_list)
list_for_each_entry(net, net_exit_list, exit_list)
ctnetlink_net_exit(net);
+
+ /* wait for other cpus until they are done with ctnl_notifiers */
+ synchronize_rcu();
}
static struct pernet_operations ctnetlink_net_ops = {
diff --git a/net/netfilter/nf_flow_table_offload.c b/net/netfilter/nf_flow_table_offload.c
index c54c9a6cc981..de7a0d1e15c8 100644
--- a/net/netfilter/nf_flow_table_offload.c
+++ b/net/netfilter/nf_flow_table_offload.c
@@ -28,6 +28,7 @@ struct nf_flow_key {
struct flow_dissector_key_basic basic;
union {
struct flow_dissector_key_ipv4_addrs ipv4;
+ struct flow_dissector_key_ipv6_addrs ipv6;
};
struct flow_dissector_key_tcp tcp;
struct flow_dissector_key_ports tp;
@@ -57,6 +58,7 @@ static int nf_flow_rule_match(struct nf_flow_match *match,
NF_FLOW_DISSECTOR(match, FLOW_DISSECTOR_KEY_CONTROL, control);
NF_FLOW_DISSECTOR(match, FLOW_DISSECTOR_KEY_BASIC, basic);
NF_FLOW_DISSECTOR(match, FLOW_DISSECTOR_KEY_IPV4_ADDRS, ipv4);
+ NF_FLOW_DISSECTOR(match, FLOW_DISSECTOR_KEY_IPV6_ADDRS, ipv6);
NF_FLOW_DISSECTOR(match, FLOW_DISSECTOR_KEY_TCP, tcp);
NF_FLOW_DISSECTOR(match, FLOW_DISSECTOR_KEY_PORTS, tp);
@@ -69,9 +71,18 @@ static int nf_flow_rule_match(struct nf_flow_match *match,
key->ipv4.dst = tuple->dst_v4.s_addr;
mask->ipv4.dst = 0xffffffff;
break;
+ case AF_INET6:
+ key->control.addr_type = FLOW_DISSECTOR_KEY_IPV6_ADDRS;
+ key->basic.n_proto = htons(ETH_P_IPV6);
+ key->ipv6.src = tuple->src_v6;
+ memset(&mask->ipv6.src, 0xff, sizeof(mask->ipv6.src));
+ key->ipv6.dst = tuple->dst_v6;
+ memset(&mask->ipv6.dst, 0xff, sizeof(mask->ipv6.dst));
+ break;
default:
return -EOPNOTSUPP;
}
+ match->dissector.used_keys |= BIT(key->control.addr_type);
mask->basic.n_proto = 0xffff;
switch (tuple->l4proto) {
@@ -96,14 +107,13 @@ static int nf_flow_rule_match(struct nf_flow_match *match,
match->dissector.used_keys |= BIT(FLOW_DISSECTOR_KEY_CONTROL) |
BIT(FLOW_DISSECTOR_KEY_BASIC) |
- BIT(FLOW_DISSECTOR_KEY_IPV4_ADDRS) |
BIT(FLOW_DISSECTOR_KEY_PORTS);
return 0;
}
static void flow_offload_mangle(struct flow_action_entry *entry,
- enum flow_action_mangle_base htype,
- u32 offset, u8 *value, u8 *mask)
+ enum flow_action_mangle_base htype, u32 offset,
+ const __be32 *value, const __be32 *mask)
{
entry->id = FLOW_ACTION_MANGLE;
entry->mangle.htype = htype;
@@ -140,12 +150,12 @@ static int flow_offload_eth_src(struct net *net,
memcpy(&val16, dev->dev_addr, 2);
val = val16 << 16;
flow_offload_mangle(entry0, FLOW_ACT_MANGLE_HDR_TYPE_ETH, 4,
- (u8 *)&val, (u8 *)&mask);
+ &val, &mask);
mask = ~0xffffffff;
memcpy(&val, dev->dev_addr + 2, 4);
flow_offload_mangle(entry1, FLOW_ACT_MANGLE_HDR_TYPE_ETH, 8,
- (u8 *)&val, (u8 *)&mask);
+ &val, &mask);
dev_put(dev);
return 0;
@@ -170,13 +180,13 @@ static int flow_offload_eth_dst(struct net *net,
mask = ~0xffffffff;
memcpy(&val, n->ha, 4);
flow_offload_mangle(entry0, FLOW_ACT_MANGLE_HDR_TYPE_ETH, 0,
- (u8 *)&val, (u8 *)&mask);
+ &val, &mask);
mask = ~0x0000ffff;
memcpy(&val16, n->ha + 4, 2);
val = val16;
flow_offload_mangle(entry1, FLOW_ACT_MANGLE_HDR_TYPE_ETH, 4,
- (u8 *)&val, (u8 *)&mask);
+ &val, &mask);
neigh_release(n);
return 0;
@@ -206,7 +216,7 @@ static void flow_offload_ipv4_snat(struct net *net,
}
flow_offload_mangle(entry, FLOW_ACT_MANGLE_HDR_TYPE_IP4, offset,
- (u8 *)&addr, (u8 *)&mask);
+ &addr, &mask);
}
static void flow_offload_ipv4_dnat(struct net *net,
@@ -233,12 +243,12 @@ static void flow_offload_ipv4_dnat(struct net *net,
}
flow_offload_mangle(entry, FLOW_ACT_MANGLE_HDR_TYPE_IP4, offset,
- (u8 *)&addr, (u8 *)&mask);
+ &addr, &mask);
}
static void flow_offload_ipv6_mangle(struct nf_flow_rule *flow_rule,
unsigned int offset,
- u8 *addr, u8 *mask)
+ const __be32 *addr, const __be32 *mask)
{
struct flow_action_entry *entry;
int i;
@@ -246,8 +256,7 @@ static void flow_offload_ipv6_mangle(struct nf_flow_rule *flow_rule,
for (i = 0; i < sizeof(struct in6_addr) / sizeof(u32); i += sizeof(u32)) {
entry = flow_action_entry_next(flow_rule);
flow_offload_mangle(entry, FLOW_ACT_MANGLE_HDR_TYPE_IP6,
- offset + i,
- &addr[i], mask);
+ offset + i, &addr[i], mask);
}
}
@@ -257,23 +266,23 @@ static void flow_offload_ipv6_snat(struct net *net,
struct nf_flow_rule *flow_rule)
{
u32 mask = ~htonl(0xffffffff);
- const u8 *addr;
+ const __be32 *addr;
u32 offset;
switch (dir) {
case FLOW_OFFLOAD_DIR_ORIGINAL:
- addr = flow->tuplehash[FLOW_OFFLOAD_DIR_REPLY].tuple.dst_v6.s6_addr;
+ addr = flow->tuplehash[FLOW_OFFLOAD_DIR_REPLY].tuple.dst_v6.s6_addr32;
offset = offsetof(struct ipv6hdr, saddr);
break;
case FLOW_OFFLOAD_DIR_REPLY:
- addr = flow->tuplehash[FLOW_OFFLOAD_DIR_ORIGINAL].tuple.src_v6.s6_addr;
+ addr = flow->tuplehash[FLOW_OFFLOAD_DIR_ORIGINAL].tuple.src_v6.s6_addr32;
offset = offsetof(struct ipv6hdr, daddr);
break;
default:
return;
}
- flow_offload_ipv6_mangle(flow_rule, offset, (u8 *)addr, (u8 *)&mask);
+ flow_offload_ipv6_mangle(flow_rule, offset, addr, &mask);
}
static void flow_offload_ipv6_dnat(struct net *net,
@@ -282,23 +291,23 @@ static void flow_offload_ipv6_dnat(struct net *net,
struct nf_flow_rule *flow_rule)
{
u32 mask = ~htonl(0xffffffff);
- const u8 *addr;
+ const __be32 *addr;
u32 offset;
switch (dir) {
case FLOW_OFFLOAD_DIR_ORIGINAL:
- addr = flow->tuplehash[FLOW_OFFLOAD_DIR_REPLY].tuple.src_v6.s6_addr;
+ addr = flow->tuplehash[FLOW_OFFLOAD_DIR_REPLY].tuple.src_v6.s6_addr32;
offset = offsetof(struct ipv6hdr, daddr);
break;
case FLOW_OFFLOAD_DIR_REPLY:
- addr = flow->tuplehash[FLOW_OFFLOAD_DIR_ORIGINAL].tuple.dst_v6.s6_addr;
+ addr = flow->tuplehash[FLOW_OFFLOAD_DIR_ORIGINAL].tuple.dst_v6.s6_addr32;
offset = offsetof(struct ipv6hdr, saddr);
break;
default:
return;
}
- flow_offload_ipv6_mangle(flow_rule, offset, (u8 *)addr, (u8 *)&mask);
+ flow_offload_ipv6_mangle(flow_rule, offset, addr, &mask);
}
static int flow_offload_l4proto(const struct flow_offload *flow)
@@ -326,25 +335,24 @@ static void flow_offload_port_snat(struct net *net,
struct nf_flow_rule *flow_rule)
{
struct flow_action_entry *entry = flow_action_entry_next(flow_rule);
- u32 mask = ~htonl(0xffff0000);
- __be16 port;
+ u32 mask = ~htonl(0xffff0000), port;
u32 offset;
switch (dir) {
case FLOW_OFFLOAD_DIR_ORIGINAL:
- port = flow->tuplehash[FLOW_OFFLOAD_DIR_REPLY].tuple.dst_port;
+ port = ntohs(flow->tuplehash[FLOW_OFFLOAD_DIR_REPLY].tuple.dst_port);
offset = 0; /* offsetof(struct tcphdr, source); */
break;
case FLOW_OFFLOAD_DIR_REPLY:
- port = flow->tuplehash[FLOW_OFFLOAD_DIR_ORIGINAL].tuple.src_port;
+ port = ntohs(flow->tuplehash[FLOW_OFFLOAD_DIR_ORIGINAL].tuple.src_port);
offset = 0; /* offsetof(struct tcphdr, dest); */
break;
default:
- break;
+ return;
}
-
+ port = htonl(port << 16);
flow_offload_mangle(entry, flow_offload_l4proto(flow), offset,
- (u8 *)&port, (u8 *)&mask);
+ &port, &mask);
}
static void flow_offload_port_dnat(struct net *net,
@@ -353,25 +361,24 @@ static void flow_offload_port_dnat(struct net *net,
struct nf_flow_rule *flow_rule)
{
struct flow_action_entry *entry = flow_action_entry_next(flow_rule);
- u32 mask = ~htonl(0xffff);
- __be16 port;
+ u32 mask = ~htonl(0xffff), port;
u32 offset;
switch (dir) {
case FLOW_OFFLOAD_DIR_ORIGINAL:
- port = flow->tuplehash[FLOW_OFFLOAD_DIR_REPLY].tuple.dst_port;
+ port = ntohs(flow->tuplehash[FLOW_OFFLOAD_DIR_REPLY].tuple.dst_port);
offset = 0; /* offsetof(struct tcphdr, source); */
break;
case FLOW_OFFLOAD_DIR_REPLY:
- port = flow->tuplehash[FLOW_OFFLOAD_DIR_ORIGINAL].tuple.src_port;
+ port = ntohs(flow->tuplehash[FLOW_OFFLOAD_DIR_ORIGINAL].tuple.src_port);
offset = 0; /* offsetof(struct tcphdr, dest); */
break;
default:
- break;
+ return;
}
-
+ port = htonl(port);
flow_offload_mangle(entry, flow_offload_l4proto(flow), offset,
- (u8 *)&port, (u8 *)&mask);
+ &port, &mask);
}
static void flow_offload_ipv4_checksum(struct net *net,
@@ -574,7 +581,7 @@ static int flow_offload_tuple_add(struct flow_offload_work *offload,
cls_flow.rule = flow_rule->rule;
list_for_each_entry(block_cb, &flowtable->flow_block.cb_list, list) {
- err = block_cb->cb(TC_SETUP_FT, &cls_flow,
+ err = block_cb->cb(TC_SETUP_CLSFLOWER, &cls_flow,
block_cb->cb_priv);
if (err < 0)
continue;
@@ -599,7 +606,7 @@ static void flow_offload_tuple_del(struct flow_offload_work *offload,
&offload->flow->tuplehash[dir].tuple, &extack);
list_for_each_entry(block_cb, &flowtable->flow_block.cb_list, list)
- block_cb->cb(TC_SETUP_FT, &cls_flow, block_cb->cb_priv);
+ block_cb->cb(TC_SETUP_CLSFLOWER, &cls_flow, block_cb->cb_priv);
offload->flow->flags |= FLOW_OFFLOAD_HW_DEAD;
}
@@ -656,7 +663,7 @@ static void flow_offload_tuple_stats(struct flow_offload_work *offload,
&offload->flow->tuplehash[dir].tuple, &extack);
list_for_each_entry(block_cb, &flowtable->flow_block.cb_list, list)
- block_cb->cb(TC_SETUP_FT, &cls_flow, block_cb->cb_priv);
+ block_cb->cb(TC_SETUP_CLSFLOWER, &cls_flow, block_cb->cb_priv);
memcpy(stats, &cls_flow.stats, sizeof(*stats));
}
@@ -822,7 +829,7 @@ int nf_flow_table_offload_setup(struct nf_flowtable *flowtable,
bo.extack = &extack;
INIT_LIST_HEAD(&bo.cb_list);
- err = dev->netdev_ops->ndo_setup_tc(dev, TC_SETUP_BLOCK, &bo);
+ err = dev->netdev_ops->ndo_setup_tc(dev, TC_SETUP_FT, &bo);
if (err < 0)
return err;
diff --git a/net/netfilter/nf_queue.c b/net/netfilter/nf_queue.c
index a2b58de82600..f8f52ff99cfb 100644
--- a/net/netfilter/nf_queue.c
+++ b/net/netfilter/nf_queue.c
@@ -189,7 +189,7 @@ static int __nf_queue(struct sk_buff *skb, const struct nf_hook_state *state,
goto err;
}
- if (!skb_dst_force(skb) && state->hook != NF_INET_PRE_ROUTING) {
+ if (skb_dst(skb) && !skb_dst_force(skb)) {
status = -ENETDOWN;
goto err;
}
diff --git a/net/netfilter/nf_tables_api.c b/net/netfilter/nf_tables_api.c
index 062b73a83af0..a8caf7386fa9 100644
--- a/net/netfilter/nf_tables_api.c
+++ b/net/netfilter/nf_tables_api.c
@@ -4519,8 +4519,10 @@ static int nft_get_set_elem(struct nft_ctx *ctx, struct nft_set *set,
return err;
err = -EINVAL;
- if (desc.type != NFT_DATA_VALUE || desc.len != set->klen)
+ if (desc.type != NFT_DATA_VALUE || desc.len != set->klen) {
+ nft_data_release(&elem.key.val, desc.type);
return err;
+ }
priv = set->ops->get(ctx->net, set, &elem, flags);
if (IS_ERR(priv))
@@ -4756,14 +4758,20 @@ static int nft_add_set_elem(struct nft_ctx *ctx, struct nft_set *set,
if (nla[NFTA_SET_ELEM_DATA] == NULL &&
!(flags & NFT_SET_ELEM_INTERVAL_END))
return -EINVAL;
- if (nla[NFTA_SET_ELEM_DATA] != NULL &&
- flags & NFT_SET_ELEM_INTERVAL_END)
- return -EINVAL;
} else {
if (nla[NFTA_SET_ELEM_DATA] != NULL)
return -EINVAL;
}
+ if ((flags & NFT_SET_ELEM_INTERVAL_END) &&
+ (nla[NFTA_SET_ELEM_DATA] ||
+ nla[NFTA_SET_ELEM_OBJREF] ||
+ nla[NFTA_SET_ELEM_TIMEOUT] ||
+ nla[NFTA_SET_ELEM_EXPIRATION] ||
+ nla[NFTA_SET_ELEM_USERDATA] ||
+ nla[NFTA_SET_ELEM_EXPR]))
+ return -EINVAL;
+
timeout = 0;
if (nla[NFTA_SET_ELEM_TIMEOUT] != NULL) {
if (!(set->flags & NFT_SET_TIMEOUT))
@@ -5476,7 +5484,7 @@ static int nf_tables_newobj(struct net *net, struct sock *nlsk,
if (nlh->nlmsg_flags & NLM_F_REPLACE)
return -EOPNOTSUPP;
- type = nft_obj_type_get(net, objtype);
+ type = __nft_obj_type_get(objtype);
nft_ctx_init(&ctx, net, skb, nlh, family, table, NULL, nla);
return nf_tables_updobj(&ctx, type, nla[NFTA_OBJ_DATA], obj);
diff --git a/net/netfilter/nf_tables_offload.c b/net/netfilter/nf_tables_offload.c
index 431f3b803bfb..a9ea29afb09f 100644
--- a/net/netfilter/nf_tables_offload.c
+++ b/net/netfilter/nf_tables_offload.c
@@ -44,6 +44,9 @@ struct nft_flow_rule *nft_flow_rule_create(struct net *net,
expr = nft_expr_next(expr);
}
+ if (num_actions == 0)
+ return ERR_PTR(-EOPNOTSUPP);
+
flow = nft_flow_rule_alloc(num_actions);
if (!flow)
return ERR_PTR(-ENOMEM);
@@ -577,6 +580,9 @@ static int nft_offload_netdev_event(struct notifier_block *this,
struct net *net = dev_net(dev);
struct nft_chain *chain;
+ if (event != NETDEV_UNREGISTER)
+ return NOTIFY_DONE;
+
mutex_lock(&net->nft.commit_mutex);
chain = __nft_offload_get_chain(dev);
if (chain)
diff --git a/net/netfilter/nft_bitwise.c b/net/netfilter/nft_bitwise.c
index 02afa752dd2e..10e9d50e4e19 100644
--- a/net/netfilter/nft_bitwise.c
+++ b/net/netfilter/nft_bitwise.c
@@ -80,7 +80,7 @@ static int nft_bitwise_init(const struct nft_ctx *ctx,
tb[NFTA_BITWISE_MASK]);
if (err < 0)
return err;
- if (d1.len != priv->len) {
+ if (d1.type != NFT_DATA_VALUE || d1.len != priv->len) {
err = -EINVAL;
goto err1;
}
@@ -89,7 +89,7 @@ static int nft_bitwise_init(const struct nft_ctx *ctx,
tb[NFTA_BITWISE_XOR]);
if (err < 0)
goto err1;
- if (d2.len != priv->len) {
+ if (d2.type != NFT_DATA_VALUE || d2.len != priv->len) {
err = -EINVAL;
goto err2;
}
diff --git a/net/netfilter/nft_cmp.c b/net/netfilter/nft_cmp.c
index b8092069f868..8a28c127effc 100644
--- a/net/netfilter/nft_cmp.c
+++ b/net/netfilter/nft_cmp.c
@@ -81,6 +81,12 @@ static int nft_cmp_init(const struct nft_ctx *ctx, const struct nft_expr *expr,
if (err < 0)
return err;
+ if (desc.type != NFT_DATA_VALUE) {
+ err = -EINVAL;
+ nft_data_release(&priv->data, desc.type);
+ return err;
+ }
+
priv->sreg = nft_parse_register(tb[NFTA_CMP_SREG]);
err = nft_validate_register_load(priv->sreg, desc.len);
if (err < 0)
diff --git a/net/netfilter/nft_range.c b/net/netfilter/nft_range.c
index 4701fa8a45e7..89efcc5a533d 100644
--- a/net/netfilter/nft_range.c
+++ b/net/netfilter/nft_range.c
@@ -66,11 +66,21 @@ static int nft_range_init(const struct nft_ctx *ctx, const struct nft_expr *expr
if (err < 0)
return err;
+ if (desc_from.type != NFT_DATA_VALUE) {
+ err = -EINVAL;
+ goto err1;
+ }
+
err = nft_data_init(NULL, &priv->data_to, sizeof(priv->data_to),
&desc_to, tb[NFTA_RANGE_TO_DATA]);
if (err < 0)
goto err1;
+ if (desc_to.type != NFT_DATA_VALUE) {
+ err = -EINVAL;
+ goto err2;
+ }
+
if (desc_from.len != desc_to.len) {
err = -EINVAL;
goto err2;
diff --git a/net/netfilter/nft_set_rbtree.c b/net/netfilter/nft_set_rbtree.c
index 57123259452f..a9f804f7a04a 100644
--- a/net/netfilter/nft_set_rbtree.c
+++ b/net/netfilter/nft_set_rbtree.c
@@ -74,8 +74,13 @@ static bool __nft_rbtree_lookup(const struct net *net, const struct nft_set *set
parent = rcu_dereference_raw(parent->rb_left);
continue;
}
- if (nft_rbtree_interval_end(rbe))
- goto out;
+ if (nft_rbtree_interval_end(rbe)) {
+ if (nft_set_is_anonymous(set))
+ return false;
+ parent = rcu_dereference_raw(parent->rb_left);
+ interval = NULL;
+ continue;
+ }
*ext = &rbe->ext;
return true;
@@ -88,7 +93,7 @@ static bool __nft_rbtree_lookup(const struct net *net, const struct nft_set *set
*ext = &interval->ext;
return true;
}
-out:
+
return false;
}
@@ -139,8 +144,10 @@ static bool __nft_rbtree_get(const struct net *net, const struct nft_set *set,
if (flags & NFT_SET_ELEM_INTERVAL_END)
interval = rbe;
} else {
- if (!nft_set_elem_active(&rbe->ext, genmask))
+ if (!nft_set_elem_active(&rbe->ext, genmask)) {
parent = rcu_dereference_raw(parent->rb_left);
+ continue;
+ }
if (!nft_set_ext_exists(&rbe->ext, NFT_SET_EXT_FLAGS) ||
(*nft_set_ext_flags(&rbe->ext) & NFT_SET_ELEM_INTERVAL_END) ==
@@ -148,7 +155,11 @@ static bool __nft_rbtree_get(const struct net *net, const struct nft_set *set,
*elem = rbe;
return true;
}
- return false;
+
+ if (nft_rbtree_interval_end(rbe))
+ interval = NULL;
+
+ parent = rcu_dereference_raw(parent->rb_left);
}
}
diff --git a/tools/testing/selftests/netfilter/nft_nat.sh b/tools/testing/selftests/netfilter/nft_nat.sh
index 1be55e705780..d7e07f4c3d7f 100755
--- a/tools/testing/selftests/netfilter/nft_nat.sh
+++ b/tools/testing/selftests/netfilter/nft_nat.sh
@@ -8,9 +8,14 @@ ksft_skip=4
ret=0
test_inet_nat=true
+sfx=$(mktemp -u "XXXXXXXX")
+ns0="ns0-$sfx"
+ns1="ns1-$sfx"
+ns2="ns2-$sfx"
+
cleanup()
{
- for i in 0 1 2; do ip netns del ns$i;done
+ for i in 0 1 2; do ip netns del ns$i-"$sfx";done
}
nft --version > /dev/null 2>&1
@@ -25,40 +30,49 @@ if [ $? -ne 0 ];then
exit $ksft_skip
fi
-ip netns add ns0
+ip netns add "$ns0"
if [ $? -ne 0 ];then
- echo "SKIP: Could not create net namespace"
+ echo "SKIP: Could not create net namespace $ns0"
exit $ksft_skip
fi
trap cleanup EXIT
-ip netns add ns1
-ip netns add ns2
+ip netns add "$ns1"
+if [ $? -ne 0 ];then
+ echo "SKIP: Could not create net namespace $ns1"
+ exit $ksft_skip
+fi
+
+ip netns add "$ns2"
+if [ $? -ne 0 ];then
+ echo "SKIP: Could not create net namespace $ns2"
+ exit $ksft_skip
+fi
-ip link add veth0 netns ns0 type veth peer name eth0 netns ns1 > /dev/null 2>&1
+ip link add veth0 netns "$ns0" type veth peer name eth0 netns "$ns1" > /dev/null 2>&1
if [ $? -ne 0 ];then
echo "SKIP: No virtual ethernet pair device support in kernel"
exit $ksft_skip
fi
-ip link add veth1 netns ns0 type veth peer name eth0 netns ns2
+ip link add veth1 netns "$ns0" type veth peer name eth0 netns "$ns2"
-ip -net ns0 link set lo up
-ip -net ns0 link set veth0 up
-ip -net ns0 addr add 10.0.1.1/24 dev veth0
-ip -net ns0 addr add dead:1::1/64 dev veth0
+ip -net "$ns0" link set lo up
+ip -net "$ns0" link set veth0 up
+ip -net "$ns0" addr add 10.0.1.1/24 dev veth0
+ip -net "$ns0" addr add dead:1::1/64 dev veth0
-ip -net ns0 link set veth1 up
-ip -net ns0 addr add 10.0.2.1/24 dev veth1
-ip -net ns0 addr add dead:2::1/64 dev veth1
+ip -net "$ns0" link set veth1 up
+ip -net "$ns0" addr add 10.0.2.1/24 dev veth1
+ip -net "$ns0" addr add dead:2::1/64 dev veth1
for i in 1 2; do
- ip -net ns$i link set lo up
- ip -net ns$i link set eth0 up
- ip -net ns$i addr add 10.0.$i.99/24 dev eth0
- ip -net ns$i route add default via 10.0.$i.1
- ip -net ns$i addr add dead:$i::99/64 dev eth0
- ip -net ns$i route add default via dead:$i::1
+ ip -net ns$i-$sfx link set lo up
+ ip -net ns$i-$sfx link set eth0 up
+ ip -net ns$i-$sfx addr add 10.0.$i.99/24 dev eth0
+ ip -net ns$i-$sfx route add default via 10.0.$i.1
+ ip -net ns$i-$sfx addr add dead:$i::99/64 dev eth0
+ ip -net ns$i-$sfx route add default via dead:$i::1
done
bad_counter()
@@ -66,8 +80,9 @@ bad_counter()
local ns=$1
local counter=$2
local expect=$3
+ local tag=$4
- echo "ERROR: $counter counter in $ns has unexpected value (expected $expect)" 1>&2
+ echo "ERROR: $counter counter in $ns has unexpected value (expected $expect) at $tag" 1>&2
ip netns exec $ns nft list counter inet filter $counter 1>&2
}
@@ -78,24 +93,24 @@ check_counters()
cnt=$(ip netns exec $ns nft list counter inet filter ns0in | grep -q "packets 1 bytes 84")
if [ $? -ne 0 ]; then
- bad_counter $ns ns0in "packets 1 bytes 84"
+ bad_counter $ns ns0in "packets 1 bytes 84" "check_counters 1"
lret=1
fi
cnt=$(ip netns exec $ns nft list counter inet filter ns0out | grep -q "packets 1 bytes 84")
if [ $? -ne 0 ]; then
- bad_counter $ns ns0out "packets 1 bytes 84"
+ bad_counter $ns ns0out "packets 1 bytes 84" "check_counters 2"
lret=1
fi
expect="packets 1 bytes 104"
cnt=$(ip netns exec $ns nft list counter inet filter ns0in6 | grep -q "$expect")
if [ $? -ne 0 ]; then
- bad_counter $ns ns0in6 "$expect"
+ bad_counter $ns ns0in6 "$expect" "check_counters 3"
lret=1
fi
cnt=$(ip netns exec $ns nft list counter inet filter ns0out6 | grep -q "$expect")
if [ $? -ne 0 ]; then
- bad_counter $ns ns0out6 "$expect"
+ bad_counter $ns ns0out6 "$expect" "check_counters 4"
lret=1
fi
@@ -107,41 +122,41 @@ check_ns0_counters()
local ns=$1
local lret=0
- cnt=$(ip netns exec ns0 nft list counter inet filter ns0in | grep -q "packets 0 bytes 0")
+ cnt=$(ip netns exec "$ns0" nft list counter inet filter ns0in | grep -q "packets 0 bytes 0")
if [ $? -ne 0 ]; then
- bad_counter ns0 ns0in "packets 0 bytes 0"
+ bad_counter "$ns0" ns0in "packets 0 bytes 0" "check_ns0_counters 1"
lret=1
fi
- cnt=$(ip netns exec ns0 nft list counter inet filter ns0in6 | grep -q "packets 0 bytes 0")
+ cnt=$(ip netns exec "$ns0" nft list counter inet filter ns0in6 | grep -q "packets 0 bytes 0")
if [ $? -ne 0 ]; then
- bad_counter ns0 ns0in6 "packets 0 bytes 0"
+ bad_counter "$ns0" ns0in6 "packets 0 bytes 0"
lret=1
fi
- cnt=$(ip netns exec ns0 nft list counter inet filter ns0out | grep -q "packets 0 bytes 0")
+ cnt=$(ip netns exec "$ns0" nft list counter inet filter ns0out | grep -q "packets 0 bytes 0")
if [ $? -ne 0 ]; then
- bad_counter ns0 ns0out "packets 0 bytes 0"
+ bad_counter "$ns0" ns0out "packets 0 bytes 0" "check_ns0_counters 2"
lret=1
fi
- cnt=$(ip netns exec ns0 nft list counter inet filter ns0out6 | grep -q "packets 0 bytes 0")
+ cnt=$(ip netns exec "$ns0" nft list counter inet filter ns0out6 | grep -q "packets 0 bytes 0")
if [ $? -ne 0 ]; then
- bad_counter ns0 ns0out6 "packets 0 bytes 0"
+ bad_counter "$ns0" ns0out6 "packets 0 bytes 0" "check_ns0_counters3 "
lret=1
fi
for dir in "in" "out" ; do
expect="packets 1 bytes 84"
- cnt=$(ip netns exec ns0 nft list counter inet filter ${ns}${dir} | grep -q "$expect")
+ cnt=$(ip netns exec "$ns0" nft list counter inet filter ${ns}${dir} | grep -q "$expect")
if [ $? -ne 0 ]; then
- bad_counter ns0 $ns$dir "$expect"
+ bad_counter "$ns0" $ns$dir "$expect" "check_ns0_counters 4"
lret=1
fi
expect="packets 1 bytes 104"
- cnt=$(ip netns exec ns0 nft list counter inet filter ${ns}${dir}6 | grep -q "$expect")
+ cnt=$(ip netns exec "$ns0" nft list counter inet filter ${ns}${dir}6 | grep -q "$expect")
if [ $? -ne 0 ]; then
- bad_counter ns0 $ns$dir6 "$expect"
+ bad_counter "$ns0" $ns$dir6 "$expect" "check_ns0_counters 5"
lret=1
fi
done
@@ -152,7 +167,7 @@ check_ns0_counters()
reset_counters()
{
for i in 0 1 2;do
- ip netns exec ns$i nft reset counters inet > /dev/null
+ ip netns exec ns$i-$sfx nft reset counters inet > /dev/null
done
}
@@ -166,7 +181,7 @@ test_local_dnat6()
IPF="ip6"
fi
-ip netns exec ns0 nft -f - <<EOF
+ip netns exec "$ns0" nft -f /dev/stdin <<EOF
table $family nat {
chain output {
type nat hook output priority 0; policy accept;
@@ -180,7 +195,7 @@ EOF
fi
# ping netns1, expect rewrite to netns2
- ip netns exec ns0 ping -q -c 1 dead:1::99 > /dev/null
+ ip netns exec "$ns0" ping -q -c 1 dead:1::99 > /dev/null
if [ $? -ne 0 ]; then
lret=1
echo "ERROR: ping6 failed"
@@ -189,18 +204,18 @@ EOF
expect="packets 0 bytes 0"
for dir in "in6" "out6" ; do
- cnt=$(ip netns exec ns0 nft list counter inet filter ns1${dir} | grep -q "$expect")
+ cnt=$(ip netns exec "$ns0" nft list counter inet filter ns1${dir} | grep -q "$expect")
if [ $? -ne 0 ]; then
- bad_counter ns0 ns1$dir "$expect"
+ bad_counter "$ns0" ns1$dir "$expect" "test_local_dnat6 1"
lret=1
fi
done
expect="packets 1 bytes 104"
for dir in "in6" "out6" ; do
- cnt=$(ip netns exec ns0 nft list counter inet filter ns2${dir} | grep -q "$expect")
+ cnt=$(ip netns exec "$ns0" nft list counter inet filter ns2${dir} | grep -q "$expect")
if [ $? -ne 0 ]; then
- bad_counter ns0 ns2$dir "$expect"
+ bad_counter "$ns0" ns2$dir "$expect" "test_local_dnat6 2"
lret=1
fi
done
@@ -208,9 +223,9 @@ EOF
# expect 0 count in ns1
expect="packets 0 bytes 0"
for dir in "in6" "out6" ; do
- cnt=$(ip netns exec ns1 nft list counter inet filter ns0${dir} | grep -q "$expect")
+ cnt=$(ip netns exec "$ns1" nft list counter inet filter ns0${dir} | grep -q "$expect")
if [ $? -ne 0 ]; then
- bad_counter ns1 ns0$dir "$expect"
+ bad_counter "$ns1" ns0$dir "$expect" "test_local_dnat6 3"
lret=1
fi
done
@@ -218,15 +233,15 @@ EOF
# expect 1 packet in ns2
expect="packets 1 bytes 104"
for dir in "in6" "out6" ; do
- cnt=$(ip netns exec ns2 nft list counter inet filter ns0${dir} | grep -q "$expect")
+ cnt=$(ip netns exec "$ns2" nft list counter inet filter ns0${dir} | grep -q "$expect")
if [ $? -ne 0 ]; then
- bad_counter ns2 ns0$dir "$expect"
+ bad_counter "$ns2" ns0$dir "$expect" "test_local_dnat6 4"
lret=1
fi
done
- test $lret -eq 0 && echo "PASS: ipv6 ping to ns1 was $family NATted to ns2"
- ip netns exec ns0 nft flush chain ip6 nat output
+ test $lret -eq 0 && echo "PASS: ipv6 ping to $ns1 was $family NATted to $ns2"
+ ip netns exec "$ns0" nft flush chain ip6 nat output
return $lret
}
@@ -241,7 +256,7 @@ test_local_dnat()
IPF="ip"
fi
-ip netns exec ns0 nft -f - <<EOF 2>/dev/null
+ip netns exec "$ns0" nft -f /dev/stdin <<EOF 2>/dev/null
table $family nat {
chain output {
type nat hook output priority 0; policy accept;
@@ -260,7 +275,7 @@ EOF
fi
# ping netns1, expect rewrite to netns2
- ip netns exec ns0 ping -q -c 1 10.0.1.99 > /dev/null
+ ip netns exec "$ns0" ping -q -c 1 10.0.1.99 > /dev/null
if [ $? -ne 0 ]; then
lret=1
echo "ERROR: ping failed"
@@ -269,18 +284,18 @@ EOF
expect="packets 0 bytes 0"
for dir in "in" "out" ; do
- cnt=$(ip netns exec ns0 nft list counter inet filter ns1${dir} | grep -q "$expect")
+ cnt=$(ip netns exec "$ns0" nft list counter inet filter ns1${dir} | grep -q "$expect")
if [ $? -ne 0 ]; then
- bad_counter ns0 ns1$dir "$expect"
+ bad_counter "$ns0" ns1$dir "$expect" "test_local_dnat 1"
lret=1
fi
done
expect="packets 1 bytes 84"
for dir in "in" "out" ; do
- cnt=$(ip netns exec ns0 nft list counter inet filter ns2${dir} | grep -q "$expect")
+ cnt=$(ip netns exec "$ns0" nft list counter inet filter ns2${dir} | grep -q "$expect")
if [ $? -ne 0 ]; then
- bad_counter ns0 ns2$dir "$expect"
+ bad_counter "$ns0" ns2$dir "$expect" "test_local_dnat 2"
lret=1
fi
done
@@ -288,9 +303,9 @@ EOF
# expect 0 count in ns1
expect="packets 0 bytes 0"
for dir in "in" "out" ; do
- cnt=$(ip netns exec ns1 nft list counter inet filter ns0${dir} | grep -q "$expect")
+ cnt=$(ip netns exec "$ns1" nft list counter inet filter ns0${dir} | grep -q "$expect")
if [ $? -ne 0 ]; then
- bad_counter ns1 ns0$dir "$expect"
+ bad_counter "$ns1" ns0$dir "$expect" "test_local_dnat 3"
lret=1
fi
done
@@ -298,19 +313,19 @@ EOF
# expect 1 packet in ns2
expect="packets 1 bytes 84"
for dir in "in" "out" ; do
- cnt=$(ip netns exec ns2 nft list counter inet filter ns0${dir} | grep -q "$expect")
+ cnt=$(ip netns exec "$ns2" nft list counter inet filter ns0${dir} | grep -q "$expect")
if [ $? -ne 0 ]; then
- bad_counter ns2 ns0$dir "$expect"
+ bad_counter "$ns2" ns0$dir "$expect" "test_local_dnat 4"
lret=1
fi
done
- test $lret -eq 0 && echo "PASS: ping to ns1 was $family NATted to ns2"
+ test $lret -eq 0 && echo "PASS: ping to $ns1 was $family NATted to $ns2"
- ip netns exec ns0 nft flush chain $family nat output
+ ip netns exec "$ns0" nft flush chain $family nat output
reset_counters
- ip netns exec ns0 ping -q -c 1 10.0.1.99 > /dev/null
+ ip netns exec "$ns0" ping -q -c 1 10.0.1.99 > /dev/null
if [ $? -ne 0 ]; then
lret=1
echo "ERROR: ping failed"
@@ -319,17 +334,17 @@ EOF
expect="packets 1 bytes 84"
for dir in "in" "out" ; do
- cnt=$(ip netns exec ns0 nft list counter inet filter ns1${dir} | grep -q "$expect")
+ cnt=$(ip netns exec "$ns0" nft list counter inet filter ns1${dir} | grep -q "$expect")
if [ $? -ne 0 ]; then
- bad_counter ns1 ns1$dir "$expect"
+ bad_counter "$ns1" ns1$dir "$expect" "test_local_dnat 5"
lret=1
fi
done
expect="packets 0 bytes 0"
for dir in "in" "out" ; do
- cnt=$(ip netns exec ns0 nft list counter inet filter ns2${dir} | grep -q "$expect")
+ cnt=$(ip netns exec "$ns0" nft list counter inet filter ns2${dir} | grep -q "$expect")
if [ $? -ne 0 ]; then
- bad_counter ns0 ns2$dir "$expect"
+ bad_counter "$ns0" ns2$dir "$expect" "test_local_dnat 6"
lret=1
fi
done
@@ -337,9 +352,9 @@ EOF
# expect 1 count in ns1
expect="packets 1 bytes 84"
for dir in "in" "out" ; do
- cnt=$(ip netns exec ns1 nft list counter inet filter ns0${dir} | grep -q "$expect")
+ cnt=$(ip netns exec "$ns1" nft list counter inet filter ns0${dir} | grep -q "$expect")
if [ $? -ne 0 ]; then
- bad_counter ns0 ns0$dir "$expect"
+ bad_counter "$ns0" ns0$dir "$expect" "test_local_dnat 7"
lret=1
fi
done
@@ -347,14 +362,14 @@ EOF
# expect 0 packet in ns2
expect="packets 0 bytes 0"
for dir in "in" "out" ; do
- cnt=$(ip netns exec ns2 nft list counter inet filter ns0${dir} | grep -q "$expect")
+ cnt=$(ip netns exec "$ns2" nft list counter inet filter ns0${dir} | grep -q "$expect")
if [ $? -ne 0 ]; then
- bad_counter ns2 ns2$dir "$expect"
+ bad_counter "$ns2" ns0$dir "$expect" "test_local_dnat 8"
lret=1
fi
done
- test $lret -eq 0 && echo "PASS: ping to ns1 OK after $family nat output chain flush"
+ test $lret -eq 0 && echo "PASS: ping to $ns1 OK after $family nat output chain flush"
return $lret
}
@@ -366,26 +381,26 @@ test_masquerade6()
local natflags=$2
local lret=0
- ip netns exec ns0 sysctl net.ipv6.conf.all.forwarding=1 > /dev/null
+ ip netns exec "$ns0" sysctl net.ipv6.conf.all.forwarding=1 > /dev/null
- ip netns exec ns2 ping -q -c 1 dead:1::99 > /dev/null # ping ns2->ns1
+ ip netns exec "$ns2" ping -q -c 1 dead:1::99 > /dev/null # ping ns2->ns1
if [ $? -ne 0 ] ; then
- echo "ERROR: cannot ping ns1 from ns2 via ipv6"
+ echo "ERROR: cannot ping $ns1 from $ns2 via ipv6"
return 1
lret=1
fi
expect="packets 1 bytes 104"
for dir in "in6" "out6" ; do
- cnt=$(ip netns exec ns1 nft list counter inet filter ns2${dir} | grep -q "$expect")
+ cnt=$(ip netns exec "$ns1" nft list counter inet filter ns2${dir} | grep -q "$expect")
if [ $? -ne 0 ]; then
- bad_counter ns1 ns2$dir "$expect"
+ bad_counter "$ns1" ns2$dir "$expect" "test_masquerade6 1"
lret=1
fi
- cnt=$(ip netns exec ns2 nft list counter inet filter ns1${dir} | grep -q "$expect")
+ cnt=$(ip netns exec "$ns2" nft list counter inet filter ns1${dir} | grep -q "$expect")
if [ $? -ne 0 ]; then
- bad_counter ns2 ns1$dir "$expect"
+ bad_counter "$ns2" ns1$dir "$expect" "test_masquerade6 2"
lret=1
fi
done
@@ -393,7 +408,7 @@ test_masquerade6()
reset_counters
# add masquerading rule
-ip netns exec ns0 nft -f - <<EOF
+ip netns exec "$ns0" nft -f /dev/stdin <<EOF
table $family nat {
chain postrouting {
type nat hook postrouting priority 0; policy accept;
@@ -406,24 +421,24 @@ EOF
return $ksft_skip
fi
- ip netns exec ns2 ping -q -c 1 dead:1::99 > /dev/null # ping ns2->ns1
+ ip netns exec "$ns2" ping -q -c 1 dead:1::99 > /dev/null # ping ns2->ns1
if [ $? -ne 0 ] ; then
- echo "ERROR: cannot ping ns1 from ns2 with active $family masquerade $natflags"
+ echo "ERROR: cannot ping $ns1 from $ns2 with active $family masquerade $natflags"
lret=1
fi
# ns1 should have seen packets from ns0, due to masquerade
expect="packets 1 bytes 104"
for dir in "in6" "out6" ; do
- cnt=$(ip netns exec ns1 nft list counter inet filter ns0${dir} | grep -q "$expect")
+ cnt=$(ip netns exec "$ns1" nft list counter inet filter ns0${dir} | grep -q "$expect")
if [ $? -ne 0 ]; then
- bad_counter ns1 ns0$dir "$expect"
+ bad_counter "$ns1" ns0$dir "$expect" "test_masquerade6 3"
lret=1
fi
- cnt=$(ip netns exec ns2 nft list counter inet filter ns1${dir} | grep -q "$expect")
+ cnt=$(ip netns exec "$ns2" nft list counter inet filter ns1${dir} | grep -q "$expect")
if [ $? -ne 0 ]; then
- bad_counter ns2 ns1$dir "$expect"
+ bad_counter "$ns2" ns1$dir "$expect" "test_masquerade6 4"
lret=1
fi
done
@@ -431,32 +446,32 @@ EOF
# ns1 should not have seen packets from ns2, due to masquerade
expect="packets 0 bytes 0"
for dir in "in6" "out6" ; do
- cnt=$(ip netns exec ns1 nft list counter inet filter ns2${dir} | grep -q "$expect")
+ cnt=$(ip netns exec "$ns1" nft list counter inet filter ns2${dir} | grep -q "$expect")
if [ $? -ne 0 ]; then
- bad_counter ns1 ns0$dir "$expect"
+ bad_counter "$ns1" ns0$dir "$expect" "test_masquerade6 5"
lret=1
fi
- cnt=$(ip netns exec ns1 nft list counter inet filter ns2${dir} | grep -q "$expect")
+ cnt=$(ip netns exec "$ns0" nft list counter inet filter ns1${dir} | grep -q "$expect")
if [ $? -ne 0 ]; then
- bad_counter ns2 ns1$dir "$expect"
+ bad_counter "$ns0" ns1$dir "$expect" "test_masquerade6 6"
lret=1
fi
done
- ip netns exec ns2 ping -q -c 1 dead:1::99 > /dev/null # ping ns2->ns1
+ ip netns exec "$ns2" ping -q -c 1 dead:1::99 > /dev/null # ping ns2->ns1
if [ $? -ne 0 ] ; then
- echo "ERROR: cannot ping ns1 from ns2 with active ipv6 masquerade $natflags (attempt 2)"
+ echo "ERROR: cannot ping $ns1 from $ns2 with active ipv6 masquerade $natflags (attempt 2)"
lret=1
fi
- ip netns exec ns0 nft flush chain $family nat postrouting
+ ip netns exec "$ns0" nft flush chain $family nat postrouting
if [ $? -ne 0 ]; then
echo "ERROR: Could not flush $family nat postrouting" 1>&2
lret=1
fi
- test $lret -eq 0 && echo "PASS: $family IPv6 masquerade $natflags for ns2"
+ test $lret -eq 0 && echo "PASS: $family IPv6 masquerade $natflags for $ns2"
return $lret
}
@@ -467,26 +482,26 @@ test_masquerade()
local natflags=$2
local lret=0
- ip netns exec ns0 sysctl net.ipv4.conf.veth0.forwarding=1 > /dev/null
- ip netns exec ns0 sysctl net.ipv4.conf.veth1.forwarding=1 > /dev/null
+ ip netns exec "$ns0" sysctl net.ipv4.conf.veth0.forwarding=1 > /dev/null
+ ip netns exec "$ns0" sysctl net.ipv4.conf.veth1.forwarding=1 > /dev/null
- ip netns exec ns2 ping -q -c 1 10.0.1.99 > /dev/null # ping ns2->ns1
+ ip netns exec "$ns2" ping -q -c 1 10.0.1.99 > /dev/null # ping ns2->ns1
if [ $? -ne 0 ] ; then
- echo "ERROR: cannot ping ns1 from ns2 $natflags"
+ echo "ERROR: cannot ping $ns1 from "$ns2" $natflags"
lret=1
fi
expect="packets 1 bytes 84"
for dir in "in" "out" ; do
- cnt=$(ip netns exec ns1 nft list counter inet filter ns2${dir} | grep -q "$expect")
+ cnt=$(ip netns exec "$ns1" nft list counter inet filter ns2${dir} | grep -q "$expect")
if [ $? -ne 0 ]; then
- bad_counter ns1 ns2$dir "$expect"
+ bad_counter "$ns1" ns2$dir "$expect" "test_masquerade 1"
lret=1
fi
- cnt=$(ip netns exec ns2 nft list counter inet filter ns1${dir} | grep -q "$expect")
+ cnt=$(ip netns exec "$ns2" nft list counter inet filter ns1${dir} | grep -q "$expect")
if [ $? -ne 0 ]; then
- bad_counter ns2 ns1$dir "$expect"
+ bad_counter "$ns2" ns1$dir "$expect" "test_masquerade 2"
lret=1
fi
done
@@ -494,7 +509,7 @@ test_masquerade()
reset_counters
# add masquerading rule
-ip netns exec ns0 nft -f - <<EOF
+ip netns exec "$ns0" nft -f /dev/stdin <<EOF
table $family nat {
chain postrouting {
type nat hook postrouting priority 0; policy accept;
@@ -507,24 +522,24 @@ EOF
return $ksft_skip
fi
- ip netns exec ns2 ping -q -c 1 10.0.1.99 > /dev/null # ping ns2->ns1
+ ip netns exec "$ns2" ping -q -c 1 10.0.1.99 > /dev/null # ping ns2->ns1
if [ $? -ne 0 ] ; then
- echo "ERROR: cannot ping ns1 from ns2 with active $family masquerade $natflags"
+ echo "ERROR: cannot ping $ns1 from $ns2 with active $family masquerade $natflags"
lret=1
fi
# ns1 should have seen packets from ns0, due to masquerade
expect="packets 1 bytes 84"
for dir in "in" "out" ; do
- cnt=$(ip netns exec ns1 nft list counter inet filter ns0${dir} | grep -q "$expect")
+ cnt=$(ip netns exec "$ns1" nft list counter inet filter ns0${dir} | grep -q "$expect")
if [ $? -ne 0 ]; then
- bad_counter ns1 ns0$dir "$expect"
+ bad_counter "$ns1" ns0$dir "$expect" "test_masquerade 3"
lret=1
fi
- cnt=$(ip netns exec ns2 nft list counter inet filter ns1${dir} | grep -q "$expect")
+ cnt=$(ip netns exec "$ns2" nft list counter inet filter ns1${dir} | grep -q "$expect")
if [ $? -ne 0 ]; then
- bad_counter ns2 ns1$dir "$expect"
+ bad_counter "$ns2" ns1$dir "$expect" "test_masquerade 4"
lret=1
fi
done
@@ -532,32 +547,32 @@ EOF
# ns1 should not have seen packets from ns2, due to masquerade
expect="packets 0 bytes 0"
for dir in "in" "out" ; do
- cnt=$(ip netns exec ns1 nft list counter inet filter ns2${dir} | grep -q "$expect")
+ cnt=$(ip netns exec "$ns1" nft list counter inet filter ns2${dir} | grep -q "$expect")
if [ $? -ne 0 ]; then
- bad_counter ns1 ns0$dir "$expect"
+ bad_counter "$ns1" ns0$dir "$expect" "test_masquerade 5"
lret=1
fi
- cnt=$(ip netns exec ns1 nft list counter inet filter ns2${dir} | grep -q "$expect")
+ cnt=$(ip netns exec "$ns0" nft list counter inet filter ns1${dir} | grep -q "$expect")
if [ $? -ne 0 ]; then
- bad_counter ns2 ns1$dir "$expect"
+ bad_counter "$ns0" ns1$dir "$expect" "test_masquerade 6"
lret=1
fi
done
- ip netns exec ns2 ping -q -c 1 10.0.1.99 > /dev/null # ping ns2->ns1
+ ip netns exec "$ns2" ping -q -c 1 10.0.1.99 > /dev/null # ping ns2->ns1
if [ $? -ne 0 ] ; then
- echo "ERROR: cannot ping ns1 from ns2 with active ip masquerade $natflags (attempt 2)"
+ echo "ERROR: cannot ping $ns1 from $ns2 with active ip masquerade $natflags (attempt 2)"
lret=1
fi
- ip netns exec ns0 nft flush chain $family nat postrouting
+ ip netns exec "$ns0" nft flush chain $family nat postrouting
if [ $? -ne 0 ]; then
echo "ERROR: Could not flush $family nat postrouting" 1>&2
lret=1
fi
- test $lret -eq 0 && echo "PASS: $family IP masquerade $natflags for ns2"
+ test $lret -eq 0 && echo "PASS: $family IP masquerade $natflags for $ns2"
return $lret
}
@@ -567,25 +582,25 @@ test_redirect6()
local family=$1
local lret=0
- ip netns exec ns0 sysctl net.ipv6.conf.all.forwarding=1 > /dev/null
+ ip netns exec "$ns0" sysctl net.ipv6.conf.all.forwarding=1 > /dev/null
- ip netns exec ns2 ping -q -c 1 dead:1::99 > /dev/null # ping ns2->ns1
+ ip netns exec "$ns2" ping -q -c 1 dead:1::99 > /dev/null # ping ns2->ns1
if [ $? -ne 0 ] ; then
- echo "ERROR: cannnot ping ns1 from ns2 via ipv6"
+ echo "ERROR: cannnot ping $ns1 from $ns2 via ipv6"
lret=1
fi
expect="packets 1 bytes 104"
for dir in "in6" "out6" ; do
- cnt=$(ip netns exec ns1 nft list counter inet filter ns2${dir} | grep -q "$expect")
+ cnt=$(ip netns exec "$ns1" nft list counter inet filter ns2${dir} | grep -q "$expect")
if [ $? -ne 0 ]; then
- bad_counter ns1 ns2$dir "$expect"
+ bad_counter "$ns1" ns2$dir "$expect" "test_redirect6 1"
lret=1
fi
- cnt=$(ip netns exec ns2 nft list counter inet filter ns1${dir} | grep -q "$expect")
+ cnt=$(ip netns exec "$ns2" nft list counter inet filter ns1${dir} | grep -q "$expect")
if [ $? -ne 0 ]; then
- bad_counter ns2 ns1$dir "$expect"
+ bad_counter "$ns2" ns1$dir "$expect" "test_redirect6 2"
lret=1
fi
done
@@ -593,7 +608,7 @@ test_redirect6()
reset_counters
# add redirect rule
-ip netns exec ns0 nft -f - <<EOF
+ip netns exec "$ns0" nft -f /dev/stdin <<EOF
table $family nat {
chain prerouting {
type nat hook prerouting priority 0; policy accept;
@@ -606,18 +621,18 @@ EOF
return $ksft_skip
fi
- ip netns exec ns2 ping -q -c 1 dead:1::99 > /dev/null # ping ns2->ns1
+ ip netns exec "$ns2" ping -q -c 1 dead:1::99 > /dev/null # ping ns2->ns1
if [ $? -ne 0 ] ; then
- echo "ERROR: cannot ping ns1 from ns2 via ipv6 with active $family redirect"
+ echo "ERROR: cannot ping $ns1 from $ns2 via ipv6 with active $family redirect"
lret=1
fi
# ns1 should have seen no packets from ns2, due to redirection
expect="packets 0 bytes 0"
for dir in "in6" "out6" ; do
- cnt=$(ip netns exec ns1 nft list counter inet filter ns2${dir} | grep -q "$expect")
+ cnt=$(ip netns exec "$ns1" nft list counter inet filter ns2${dir} | grep -q "$expect")
if [ $? -ne 0 ]; then
- bad_counter ns1 ns0$dir "$expect"
+ bad_counter "$ns1" ns0$dir "$expect" "test_redirect6 3"
lret=1
fi
done
@@ -625,20 +640,20 @@ EOF
# ns0 should have seen packets from ns2, due to masquerade
expect="packets 1 bytes 104"
for dir in "in6" "out6" ; do
- cnt=$(ip netns exec ns0 nft list counter inet filter ns2${dir} | grep -q "$expect")
+ cnt=$(ip netns exec "$ns0" nft list counter inet filter ns2${dir} | grep -q "$expect")
if [ $? -ne 0 ]; then
- bad_counter ns1 ns0$dir "$expect"
+ bad_counter "$ns1" ns0$dir "$expect" "test_redirect6 4"
lret=1
fi
done
- ip netns exec ns0 nft delete table $family nat
+ ip netns exec "$ns0" nft delete table $family nat
if [ $? -ne 0 ]; then
echo "ERROR: Could not delete $family nat table" 1>&2
lret=1
fi
- test $lret -eq 0 && echo "PASS: $family IPv6 redirection for ns2"
+ test $lret -eq 0 && echo "PASS: $family IPv6 redirection for $ns2"
return $lret
}
@@ -648,26 +663,26 @@ test_redirect()
local family=$1
local lret=0
- ip netns exec ns0 sysctl net.ipv4.conf.veth0.forwarding=1 > /dev/null
- ip netns exec ns0 sysctl net.ipv4.conf.veth1.forwarding=1 > /dev/null
+ ip netns exec "$ns0" sysctl net.ipv4.conf.veth0.forwarding=1 > /dev/null
+ ip netns exec "$ns0" sysctl net.ipv4.conf.veth1.forwarding=1 > /dev/null
- ip netns exec ns2 ping -q -c 1 10.0.1.99 > /dev/null # ping ns2->ns1
+ ip netns exec "$ns2" ping -q -c 1 10.0.1.99 > /dev/null # ping ns2->ns1
if [ $? -ne 0 ] ; then
- echo "ERROR: cannot ping ns1 from ns2"
+ echo "ERROR: cannot ping $ns1 from $ns2"
lret=1
fi
expect="packets 1 bytes 84"
for dir in "in" "out" ; do
- cnt=$(ip netns exec ns1 nft list counter inet filter ns2${dir} | grep -q "$expect")
+ cnt=$(ip netns exec "$ns1" nft list counter inet filter ns2${dir} | grep -q "$expect")
if [ $? -ne 0 ]; then
- bad_counter ns1 ns2$dir "$expect"
+ bad_counter "$ns1" $ns2$dir "$expect" "test_redirect 1"
lret=1
fi
- cnt=$(ip netns exec ns2 nft list counter inet filter ns1${dir} | grep -q "$expect")
+ cnt=$(ip netns exec "$ns2" nft list counter inet filter ns1${dir} | grep -q "$expect")
if [ $? -ne 0 ]; then
- bad_counter ns2 ns1$dir "$expect"
+ bad_counter "$ns2" ns1$dir "$expect" "test_redirect 2"
lret=1
fi
done
@@ -675,7 +690,7 @@ test_redirect()
reset_counters
# add redirect rule
-ip netns exec ns0 nft -f - <<EOF
+ip netns exec "$ns0" nft -f /dev/stdin <<EOF
table $family nat {
chain prerouting {
type nat hook prerouting priority 0; policy accept;
@@ -688,9 +703,9 @@ EOF
return $ksft_skip
fi
- ip netns exec ns2 ping -q -c 1 10.0.1.99 > /dev/null # ping ns2->ns1
+ ip netns exec "$ns2" ping -q -c 1 10.0.1.99 > /dev/null # ping ns2->ns1
if [ $? -ne 0 ] ; then
- echo "ERROR: cannot ping ns1 from ns2 with active $family ip redirect"
+ echo "ERROR: cannot ping $ns1 from $ns2 with active $family ip redirect"
lret=1
fi
@@ -698,9 +713,9 @@ EOF
expect="packets 0 bytes 0"
for dir in "in" "out" ; do
- cnt=$(ip netns exec ns1 nft list counter inet filter ns2${dir} | grep -q "$expect")
+ cnt=$(ip netns exec "$ns1" nft list counter inet filter ns2${dir} | grep -q "$expect")
if [ $? -ne 0 ]; then
- bad_counter ns1 ns0$dir "$expect"
+ bad_counter "$ns1" ns0$dir "$expect" "test_redirect 3"
lret=1
fi
done
@@ -708,28 +723,28 @@ EOF
# ns0 should have seen packets from ns2, due to masquerade
expect="packets 1 bytes 84"
for dir in "in" "out" ; do
- cnt=$(ip netns exec ns0 nft list counter inet filter ns2${dir} | grep -q "$expect")
+ cnt=$(ip netns exec "$ns0" nft list counter inet filter ns2${dir} | grep -q "$expect")
if [ $? -ne 0 ]; then
- bad_counter ns1 ns0$dir "$expect"
+ bad_counter "$ns0" ns0$dir "$expect" "test_redirect 4"
lret=1
fi
done
- ip netns exec ns0 nft delete table $family nat
+ ip netns exec "$ns0" nft delete table $family nat
if [ $? -ne 0 ]; then
echo "ERROR: Could not delete $family nat table" 1>&2
lret=1
fi
- test $lret -eq 0 && echo "PASS: $family IP redirection for ns2"
+ test $lret -eq 0 && echo "PASS: $family IP redirection for $ns2"
return $lret
}
-# ip netns exec ns0 ping -c 1 -q 10.0.$i.99
+# ip netns exec "$ns0" ping -c 1 -q 10.0.$i.99
for i in 0 1 2; do
-ip netns exec ns$i nft -f - <<EOF
+ip netns exec ns$i-$sfx nft -f /dev/stdin <<EOF
table inet filter {
counter ns0in {}
counter ns1in {}
@@ -796,18 +811,18 @@ done
sleep 3
# test basic connectivity
for i in 1 2; do
- ip netns exec ns0 ping -c 1 -q 10.0.$i.99 > /dev/null
+ ip netns exec "$ns0" ping -c 1 -q 10.0.$i.99 > /dev/null
if [ $? -ne 0 ];then
echo "ERROR: Could not reach other namespace(s)" 1>&2
ret=1
fi
- ip netns exec ns0 ping -c 1 -q dead:$i::99 > /dev/null
+ ip netns exec "$ns0" ping -c 1 -q dead:$i::99 > /dev/null
if [ $? -ne 0 ];then
echo "ERROR: Could not reach other namespace(s) via ipv6" 1>&2
ret=1
fi
- check_counters ns$i
+ check_counters ns$i-$sfx
if [ $? -ne 0 ]; then
ret=1
fi
@@ -820,7 +835,7 @@ for i in 1 2; do
done
if [ $ret -eq 0 ];then
- echo "PASS: netns routing/connectivity: ns0 can reach ns1 and ns2"
+ echo "PASS: netns routing/connectivity: $ns0 can reach $ns1 and $ns2"
fi
reset_counters
@@ -846,4 +861,9 @@ reset_counters
$test_inet_nat && test_redirect inet
$test_inet_nat && test_redirect6 inet
+if [ $ret -ne 0 ];then
+ echo -n "FAIL: "
+ nft --version
+fi
+
exit $ret
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.