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-rw-r--r--include/net/netns/conntrack.h2
-rw-r--r--net/netfilter/Kconfig1
-rw-r--r--net/netfilter/nf_conntrack_ftp.c24
-rw-r--r--net/netfilter/nf_conntrack_h323_main.c10
-rw-r--r--net/netfilter/nf_conntrack_irc.c12
-rw-r--r--net/netfilter/nf_conntrack_sane.c68
-rw-r--r--net/netfilter/nf_tables_api.c74
-rw-r--r--net/netfilter/nfnetlink.c83
-rwxr-xr-xtools/testing/selftests/netfilter/nft_flowtable.sh377
9 files changed, 390 insertions, 261 deletions
diff --git a/include/net/netns/conntrack.h b/include/net/netns/conntrack.h
index 0677cd3de034..c396a3862e80 100644
--- a/include/net/netns/conntrack.h
+++ b/include/net/netns/conntrack.h
@@ -95,7 +95,7 @@ struct nf_ip_net {
struct netns_ct {
#ifdef CONFIG_NF_CONNTRACK_EVENTS
- bool ctnetlink_has_listener;
+ u8 ctnetlink_has_listener;
bool ecache_dwork_pending;
#endif
u8 sysctl_log_invalid; /* Log invalid packets */
diff --git a/net/netfilter/Kconfig b/net/netfilter/Kconfig
index 22f15ebf6045..4b8d04640ff3 100644
--- a/net/netfilter/Kconfig
+++ b/net/netfilter/Kconfig
@@ -144,7 +144,6 @@ config NF_CONNTRACK_ZONES
config NF_CONNTRACK_PROCFS
bool "Supply CT list in procfs (OBSOLETE)"
- default y
depends on PROC_FS
help
This option enables for the list of known conntrack entries
diff --git a/net/netfilter/nf_conntrack_ftp.c b/net/netfilter/nf_conntrack_ftp.c
index a414274338cf..0d9332e9cf71 100644
--- a/net/netfilter/nf_conntrack_ftp.c
+++ b/net/netfilter/nf_conntrack_ftp.c
@@ -34,11 +34,6 @@ MODULE_DESCRIPTION("ftp connection tracking helper");
MODULE_ALIAS("ip_conntrack_ftp");
MODULE_ALIAS_NFCT_HELPER(HELPER_NAME);
-/* This is slow, but it's simple. --RR */
-static char *ftp_buffer;
-
-static DEFINE_SPINLOCK(nf_ftp_lock);
-
#define MAX_PORTS 8
static u_int16_t ports[MAX_PORTS];
static unsigned int ports_c;
@@ -398,6 +393,9 @@ static int help(struct sk_buff *skb,
return NF_ACCEPT;
}
+ if (unlikely(skb_linearize(skb)))
+ return NF_DROP;
+
th = skb_header_pointer(skb, protoff, sizeof(_tcph), &_tcph);
if (th == NULL)
return NF_ACCEPT;
@@ -411,12 +409,8 @@ static int help(struct sk_buff *skb,
}
datalen = skb->len - dataoff;
- spin_lock_bh(&nf_ftp_lock);
- fb_ptr = skb_header_pointer(skb, dataoff, datalen, ftp_buffer);
- if (!fb_ptr) {
- spin_unlock_bh(&nf_ftp_lock);
- return NF_ACCEPT;
- }
+ spin_lock_bh(&ct->lock);
+ fb_ptr = skb->data + dataoff;
ends_in_nl = (fb_ptr[datalen - 1] == '\n');
seq = ntohl(th->seq) + datalen;
@@ -544,7 +538,7 @@ out_update_nl:
if (ends_in_nl)
update_nl_seq(ct, seq, ct_ftp_info, dir, skb);
out:
- spin_unlock_bh(&nf_ftp_lock);
+ spin_unlock_bh(&ct->lock);
return ret;
}
@@ -571,7 +565,6 @@ static const struct nf_conntrack_expect_policy ftp_exp_policy = {
static void __exit nf_conntrack_ftp_fini(void)
{
nf_conntrack_helpers_unregister(ftp, ports_c * 2);
- kfree(ftp_buffer);
}
static int __init nf_conntrack_ftp_init(void)
@@ -580,10 +573,6 @@ static int __init nf_conntrack_ftp_init(void)
NF_CT_HELPER_BUILD_BUG_ON(sizeof(struct nf_ct_ftp_master));
- ftp_buffer = kmalloc(65536, GFP_KERNEL);
- if (!ftp_buffer)
- return -ENOMEM;
-
if (ports_c == 0)
ports[ports_c++] = FTP_PORT;
@@ -603,7 +592,6 @@ static int __init nf_conntrack_ftp_init(void)
ret = nf_conntrack_helpers_register(ftp, ports_c * 2);
if (ret < 0) {
pr_err("failed to register helpers\n");
- kfree(ftp_buffer);
return ret;
}
diff --git a/net/netfilter/nf_conntrack_h323_main.c b/net/netfilter/nf_conntrack_h323_main.c
index bb76305bb7ff..5a9bce24f3c3 100644
--- a/net/netfilter/nf_conntrack_h323_main.c
+++ b/net/netfilter/nf_conntrack_h323_main.c
@@ -34,6 +34,8 @@
#include <net/netfilter/nf_conntrack_zones.h>
#include <linux/netfilter/nf_conntrack_h323.h>
+#define H323_MAX_SIZE 65535
+
/* Parameters */
static unsigned int default_rrq_ttl __read_mostly = 300;
module_param(default_rrq_ttl, uint, 0600);
@@ -86,6 +88,9 @@ static int get_tpkt_data(struct sk_buff *skb, unsigned int protoff,
if (tcpdatalen <= 0) /* No TCP data */
goto clear_out;
+ if (tcpdatalen > H323_MAX_SIZE)
+ tcpdatalen = H323_MAX_SIZE;
+
if (*data == NULL) { /* first TPKT */
/* Get first TPKT pointer */
tpkt = skb_header_pointer(skb, tcpdataoff, tcpdatalen,
@@ -1169,6 +1174,9 @@ static unsigned char *get_udp_data(struct sk_buff *skb, unsigned int protoff,
if (dataoff >= skb->len)
return NULL;
*datalen = skb->len - dataoff;
+ if (*datalen > H323_MAX_SIZE)
+ *datalen = H323_MAX_SIZE;
+
return skb_header_pointer(skb, dataoff, *datalen, h323_buffer);
}
@@ -1770,7 +1778,7 @@ static int __init nf_conntrack_h323_init(void)
NF_CT_HELPER_BUILD_BUG_ON(sizeof(struct nf_ct_h323_master));
- h323_buffer = kmalloc(65536, GFP_KERNEL);
+ h323_buffer = kmalloc(H323_MAX_SIZE + 1, GFP_KERNEL);
if (!h323_buffer)
return -ENOMEM;
ret = h323_helper_init();
diff --git a/net/netfilter/nf_conntrack_irc.c b/net/netfilter/nf_conntrack_irc.c
index 08ee4e760a3d..1796c456ac98 100644
--- a/net/netfilter/nf_conntrack_irc.c
+++ b/net/netfilter/nf_conntrack_irc.c
@@ -39,6 +39,7 @@ unsigned int (*nf_nat_irc_hook)(struct sk_buff *skb,
EXPORT_SYMBOL_GPL(nf_nat_irc_hook);
#define HELPER_NAME "irc"
+#define MAX_SEARCH_SIZE 4095
MODULE_AUTHOR("Harald Welte <laforge@netfilter.org>");
MODULE_DESCRIPTION("IRC (DCC) connection tracking helper");
@@ -121,6 +122,7 @@ static int help(struct sk_buff *skb, unsigned int protoff,
int i, ret = NF_ACCEPT;
char *addr_beg_p, *addr_end_p;
typeof(nf_nat_irc_hook) nf_nat_irc;
+ unsigned int datalen;
/* If packet is coming from IRC server */
if (dir == IP_CT_DIR_REPLY)
@@ -140,8 +142,12 @@ static int help(struct sk_buff *skb, unsigned int protoff,
if (dataoff >= skb->len)
return NF_ACCEPT;
+ datalen = skb->len - dataoff;
+ if (datalen > MAX_SEARCH_SIZE)
+ datalen = MAX_SEARCH_SIZE;
+
spin_lock_bh(&irc_buffer_lock);
- ib_ptr = skb_header_pointer(skb, dataoff, skb->len - dataoff,
+ ib_ptr = skb_header_pointer(skb, dataoff, datalen,
irc_buffer);
if (!ib_ptr) {
spin_unlock_bh(&irc_buffer_lock);
@@ -149,7 +155,7 @@ static int help(struct sk_buff *skb, unsigned int protoff,
}
data = ib_ptr;
- data_limit = ib_ptr + skb->len - dataoff;
+ data_limit = ib_ptr + datalen;
/* strlen("\1DCC SENT t AAAAAAAA P\1\n")=24
* 5+MINMATCHLEN+strlen("t AAAAAAAA P\1\n")=14 */
@@ -251,7 +257,7 @@ static int __init nf_conntrack_irc_init(void)
irc_exp_policy.max_expected = max_dcc_channels;
irc_exp_policy.timeout = dcc_timeout;
- irc_buffer = kmalloc(65536, GFP_KERNEL);
+ irc_buffer = kmalloc(MAX_SEARCH_SIZE + 1, GFP_KERNEL);
if (!irc_buffer)
return -ENOMEM;
diff --git a/net/netfilter/nf_conntrack_sane.c b/net/netfilter/nf_conntrack_sane.c
index fcb33b1d5456..13dc421fc4f5 100644
--- a/net/netfilter/nf_conntrack_sane.c
+++ b/net/netfilter/nf_conntrack_sane.c
@@ -34,10 +34,6 @@ MODULE_AUTHOR("Michal Schmidt <mschmidt@redhat.com>");
MODULE_DESCRIPTION("SANE connection tracking helper");
MODULE_ALIAS_NFCT_HELPER(HELPER_NAME);
-static char *sane_buffer;
-
-static DEFINE_SPINLOCK(nf_sane_lock);
-
#define MAX_PORTS 8
static u_int16_t ports[MAX_PORTS];
static unsigned int ports_c;
@@ -67,14 +63,16 @@ static int help(struct sk_buff *skb,
unsigned int dataoff, datalen;
const struct tcphdr *th;
struct tcphdr _tcph;
- void *sb_ptr;
int ret = NF_ACCEPT;
int dir = CTINFO2DIR(ctinfo);
struct nf_ct_sane_master *ct_sane_info = nfct_help_data(ct);
struct nf_conntrack_expect *exp;
struct nf_conntrack_tuple *tuple;
- struct sane_request *req;
struct sane_reply_net_start *reply;
+ union {
+ struct sane_request req;
+ struct sane_reply_net_start repl;
+ } buf;
/* Until there's been traffic both ways, don't look in packets. */
if (ctinfo != IP_CT_ESTABLISHED &&
@@ -92,59 +90,62 @@ static int help(struct sk_buff *skb,
return NF_ACCEPT;
datalen = skb->len - dataoff;
-
- spin_lock_bh(&nf_sane_lock);
- sb_ptr = skb_header_pointer(skb, dataoff, datalen, sane_buffer);
- if (!sb_ptr) {
- spin_unlock_bh(&nf_sane_lock);
- return NF_ACCEPT;
- }
-
if (dir == IP_CT_DIR_ORIGINAL) {
+ const struct sane_request *req;
+
if (datalen != sizeof(struct sane_request))
- goto out;
+ return NF_ACCEPT;
+
+ req = skb_header_pointer(skb, dataoff, datalen, &buf.req);
+ if (!req)
+ return NF_ACCEPT;
- req = sb_ptr;
if (req->RPC_code != htonl(SANE_NET_START)) {
/* Not an interesting command */
- ct_sane_info->state = SANE_STATE_NORMAL;
- goto out;
+ WRITE_ONCE(ct_sane_info->state, SANE_STATE_NORMAL);
+ return NF_ACCEPT;
}
/* We're interested in the next reply */
- ct_sane_info->state = SANE_STATE_START_REQUESTED;
- goto out;
+ WRITE_ONCE(ct_sane_info->state, SANE_STATE_START_REQUESTED);
+ return NF_ACCEPT;
}
+ /* IP_CT_DIR_REPLY */
+
/* Is it a reply to an uninteresting command? */
- if (ct_sane_info->state != SANE_STATE_START_REQUESTED)
- goto out;
+ if (READ_ONCE(ct_sane_info->state) != SANE_STATE_START_REQUESTED)
+ return NF_ACCEPT;
/* It's a reply to SANE_NET_START. */
- ct_sane_info->state = SANE_STATE_NORMAL;
+ WRITE_ONCE(ct_sane_info->state, SANE_STATE_NORMAL);
if (datalen < sizeof(struct sane_reply_net_start)) {
pr_debug("NET_START reply too short\n");
- goto out;
+ return NF_ACCEPT;
}
- reply = sb_ptr;
+ datalen = sizeof(struct sane_reply_net_start);
+
+ reply = skb_header_pointer(skb, dataoff, datalen, &buf.repl);
+ if (!reply)
+ return NF_ACCEPT;
+
if (reply->status != htonl(SANE_STATUS_SUCCESS)) {
/* saned refused the command */
pr_debug("unsuccessful SANE_STATUS = %u\n",
ntohl(reply->status));
- goto out;
+ return NF_ACCEPT;
}
/* Invalid saned reply? Ignore it. */
if (reply->zero != 0)
- goto out;
+ return NF_ACCEPT;
exp = nf_ct_expect_alloc(ct);
if (exp == NULL) {
nf_ct_helper_log(skb, ct, "cannot alloc expectation");
- ret = NF_DROP;
- goto out;
+ return NF_DROP;
}
tuple = &ct->tuplehash[IP_CT_DIR_ORIGINAL].tuple;
@@ -162,9 +163,6 @@ static int help(struct sk_buff *skb,
}
nf_ct_expect_put(exp);
-
-out:
- spin_unlock_bh(&nf_sane_lock);
return ret;
}
@@ -178,7 +176,6 @@ static const struct nf_conntrack_expect_policy sane_exp_policy = {
static void __exit nf_conntrack_sane_fini(void)
{
nf_conntrack_helpers_unregister(sane, ports_c * 2);
- kfree(sane_buffer);
}
static int __init nf_conntrack_sane_init(void)
@@ -187,10 +184,6 @@ static int __init nf_conntrack_sane_init(void)
NF_CT_HELPER_BUILD_BUG_ON(sizeof(struct nf_ct_sane_master));
- sane_buffer = kmalloc(65536, GFP_KERNEL);
- if (!sane_buffer)
- return -ENOMEM;
-
if (ports_c == 0)
ports[ports_c++] = SANE_PORT;
@@ -210,7 +203,6 @@ static int __init nf_conntrack_sane_init(void)
ret = nf_conntrack_helpers_register(sane, ports_c * 2);
if (ret < 0) {
pr_err("failed to register helpers\n");
- kfree(sane_buffer);
return ret;
}
diff --git a/net/netfilter/nf_tables_api.c b/net/netfilter/nf_tables_api.c
index 3cc88998b879..62cfb0e31c40 100644
--- a/net/netfilter/nf_tables_api.c
+++ b/net/netfilter/nf_tables_api.c
@@ -889,7 +889,7 @@ static int nf_tables_dump_tables(struct sk_buff *skb,
rcu_read_lock();
nft_net = nft_pernet(net);
- cb->seq = nft_net->base_seq;
+ cb->seq = READ_ONCE(nft_net->base_seq);
list_for_each_entry_rcu(table, &nft_net->tables, list) {
if (family != NFPROTO_UNSPEC && family != table->family)
@@ -1705,7 +1705,7 @@ static int nf_tables_dump_chains(struct sk_buff *skb,
rcu_read_lock();
nft_net = nft_pernet(net);
- cb->seq = nft_net->base_seq;
+ cb->seq = READ_ONCE(nft_net->base_seq);
list_for_each_entry_rcu(table, &nft_net->tables, list) {
if (family != NFPROTO_UNSPEC && family != table->family)
@@ -3149,7 +3149,7 @@ static int nf_tables_dump_rules(struct sk_buff *skb,
rcu_read_lock();
nft_net = nft_pernet(net);
- cb->seq = nft_net->base_seq;
+ cb->seq = READ_ONCE(nft_net->base_seq);
list_for_each_entry_rcu(table, &nft_net->tables, list) {
if (family != NFPROTO_UNSPEC && family != table->family)
@@ -3907,7 +3907,7 @@ cont:
list_for_each_entry(i, &ctx->table->sets, list) {
int tmp;
- if (!nft_is_active_next(ctx->net, set))
+ if (!nft_is_active_next(ctx->net, i))
continue;
if (!sscanf(i->name, name, &tmp))
continue;
@@ -4133,7 +4133,7 @@ static int nf_tables_dump_sets(struct sk_buff *skb, struct netlink_callback *cb)
rcu_read_lock();
nft_net = nft_pernet(net);
- cb->seq = nft_net->base_seq;
+ cb->seq = READ_ONCE(nft_net->base_seq);
list_for_each_entry_rcu(table, &nft_net->tables, list) {
if (ctx->family != NFPROTO_UNSPEC &&
@@ -4451,6 +4451,11 @@ static int nf_tables_newset(struct sk_buff *skb, const struct nfnl_info *info,
err = nf_tables_set_desc_parse(&desc, nla[NFTA_SET_DESC]);
if (err < 0)
return err;
+
+ if (desc.field_count > 1 && !(flags & NFT_SET_CONCAT))
+ return -EINVAL;
+ } else if (flags & NFT_SET_CONCAT) {
+ return -EINVAL;
}
if (nla[NFTA_SET_EXPR] || nla[NFTA_SET_EXPRESSIONS])
@@ -5061,6 +5066,8 @@ static int nf_tables_dump_set(struct sk_buff *skb, struct netlink_callback *cb)
rcu_read_lock();
nft_net = nft_pernet(net);
+ cb->seq = READ_ONCE(nft_net->base_seq);
+
list_for_each_entry_rcu(table, &nft_net->tables, list) {
if (dump_ctx->ctx.family != NFPROTO_UNSPEC &&
dump_ctx->ctx.family != table->family)
@@ -5196,6 +5203,9 @@ static int nft_setelem_parse_flags(const struct nft_set *set,
if (!(set->flags & NFT_SET_INTERVAL) &&
*flags & NFT_SET_ELEM_INTERVAL_END)
return -EINVAL;
+ if ((*flags & (NFT_SET_ELEM_INTERVAL_END | NFT_SET_ELEM_CATCHALL)) ==
+ (NFT_SET_ELEM_INTERVAL_END | NFT_SET_ELEM_CATCHALL))
+ return -EINVAL;
return 0;
}
@@ -5599,7 +5609,7 @@ int nft_set_elem_expr_clone(const struct nft_ctx *ctx, struct nft_set *set,
err = nft_expr_clone(expr, set->exprs[i]);
if (err < 0) {
- nft_expr_destroy(ctx, expr);
+ kfree(expr);
goto err_expr;
}
expr_array[i] = expr;
@@ -5842,6 +5852,24 @@ static void nft_setelem_remove(const struct net *net,
set->ops->remove(net, set, elem);
}
+static bool nft_setelem_valid_key_end(const struct nft_set *set,
+ struct nlattr **nla, u32 flags)
+{
+ if ((set->flags & (NFT_SET_CONCAT | NFT_SET_INTERVAL)) ==
+ (NFT_SET_CONCAT | NFT_SET_INTERVAL)) {
+ if (flags & NFT_SET_ELEM_INTERVAL_END)
+ return false;
+ if (!nla[NFTA_SET_ELEM_KEY_END] &&
+ !(flags & NFT_SET_ELEM_CATCHALL))
+ return false;
+ } else {
+ if (nla[NFTA_SET_ELEM_KEY_END])
+ return false;
+ }
+
+ return true;
+}
+
static int nft_add_set_elem(struct nft_ctx *ctx, struct nft_set *set,
const struct nlattr *attr, u32 nlmsg_flags)
{
@@ -5892,6 +5920,18 @@ static int nft_add_set_elem(struct nft_ctx *ctx, struct nft_set *set,
return -EINVAL;
}
+ if (set->flags & NFT_SET_OBJECT) {
+ if (!nla[NFTA_SET_ELEM_OBJREF] &&
+ !(flags & NFT_SET_ELEM_INTERVAL_END))
+ return -EINVAL;
+ } else {
+ if (nla[NFTA_SET_ELEM_OBJREF])
+ return -EINVAL;
+ }
+
+ if (!nft_setelem_valid_key_end(set, nla, flags))
+ return -EINVAL;
+
if ((flags & NFT_SET_ELEM_INTERVAL_END) &&
(nla[NFTA_SET_ELEM_DATA] ||
nla[NFTA_SET_ELEM_OBJREF] ||
@@ -5899,6 +5939,7 @@ static int nft_add_set_elem(struct nft_ctx *ctx, struct nft_set *set,
nla[NFTA_SET_ELEM_EXPIRATION] ||
nla[NFTA_SET_ELEM_USERDATA] ||
nla[NFTA_SET_ELEM_EXPR] ||
+ nla[NFTA_SET_ELEM_KEY_END] ||
nla[NFTA_SET_ELEM_EXPRESSIONS]))
return -EINVAL;
@@ -6029,10 +6070,6 @@ static int nft_add_set_elem(struct nft_ctx *ctx, struct nft_set *set,
}
if (nla[NFTA_SET_ELEM_OBJREF] != NULL) {
- if (!(set->flags & NFT_SET_OBJECT)) {
- err = -EINVAL;
- goto err_parse_key_end;
- }
obj = nft_obj_lookup(ctx->net, ctx->table,
nla[NFTA_SET_ELEM_OBJREF],
set->objtype, genmask);
@@ -6325,6 +6362,9 @@ static int nft_del_setelem(struct nft_ctx *ctx, struct nft_set *set,
if (!nla[NFTA_SET_ELEM_KEY] && !(flags & NFT_SET_ELEM_CATCHALL))
return -EINVAL;
+ if (!nft_setelem_valid_key_end(set, nla, flags))
+ return -EINVAL;
+
nft_set_ext_prepare(&tmpl);
if (flags != 0) {
@@ -6941,7 +6981,7 @@ static int nf_tables_dump_obj(struct sk_buff *skb, struct netlink_callback *cb)
rcu_read_lock();
nft_net = nft_pernet(net);
- cb->seq = nft_net->base_seq;
+ cb->seq = READ_ONCE(nft_net->base_seq);
list_for_each_entry_rcu(table, &nft_net->tables, list) {
if (family != NFPROTO_UNSPEC && family != table->family)
@@ -7873,7 +7913,7 @@ static int nf_tables_dump_flowtable(struct sk_buff *skb,
rcu_read_lock();
nft_net = nft_pernet(net);
- cb->seq = nft_net->base_seq;
+ cb->seq = READ_ONCE(nft_net->base_seq);
list_for_each_entry_rcu(table, &nft_net->tables, list) {
if (family != NFPROTO_UNSPEC && family != table->family)
@@ -8806,6 +8846,7 @@ static int nf_tables_commit(struct net *net, struct sk_buff *skb)
struct nft_trans_elem *te;
struct nft_chain *chain;
struct nft_table *table;
+ unsigned int base_seq;
LIST_HEAD(adl);
int err;
@@ -8855,9 +8896,12 @@ static int nf_tables_commit(struct net *net, struct sk_buff *skb)
* Bump generation counter, invalidate any dump in progress.
* Cannot fail after this point.
*/
- while (++nft_net->base_seq == 0)
+ base_seq = READ_ONCE(nft_net->base_seq);
+ while (++base_seq == 0)
;
+ WRITE_ONCE(nft_net->base_seq, base_seq);
+
/* step 3. Start new generation, rules_gen_X now in use. */
net->nft.gencursor = nft_gencursor_next(net);
@@ -9419,13 +9463,9 @@ static int nf_tables_check_loops(const struct nft_ctx *ctx,
break;
}
}
-
- cond_resched();
}
list_for_each_entry(set, &ctx->table->sets, list) {
- cond_resched();
-
if (!nft_is_active_next(ctx->net, set))
continue;
if (!(set->flags & NFT_SET_MAP) ||
diff --git a/net/netfilter/nfnetlink.c b/net/netfilter/nfnetlink.c
index c24b1240908f..9c44518cb70f 100644
--- a/net/netfilter/nfnetlink.c
+++ b/net/netfilter/nfnetlink.c
@@ -44,6 +44,10 @@ MODULE_DESCRIPTION("Netfilter messages via netlink socket");
static unsigned int nfnetlink_pernet_id __read_mostly;
+#ifdef CONFIG_NF_CONNTRACK_EVENTS
+static DEFINE_SPINLOCK(nfnl_grp_active_lock);
+#endif
+
struct nfnl_net {
struct sock *nfnl;
};
@@ -654,6 +658,44 @@ static void nfnetlink_rcv(struct sk_buff *skb)
netlink_rcv_skb(skb, nfnetlink_rcv_msg);
}
+static void nfnetlink_bind_event(struct net *net, unsigned int group)
+{
+#ifdef CONFIG_NF_CONNTRACK_EVENTS
+ int type, group_bit;
+ u8 v;
+
+ /* All NFNLGRP_CONNTRACK_* group bits fit into u8.
+ * The other groups are not relevant and can be ignored.
+ */
+ if (group >= 8)
+ return;
+
+ type = nfnl_group2type[group];
+
+ switch (type) {
+ case NFNL_SUBSYS_CTNETLINK:
+ break;
+ case NFNL_SUBSYS_CTNETLINK_EXP:
+ break;
+ default:
+ return;
+ }
+
+ group_bit = (1 << group);
+
+ spin_lock(&nfnl_grp_active_lock);
+ v = READ_ONCE(net->ct.ctnetlink_has_listener);
+ if ((v & group_bit) == 0) {
+ v |= group_bit;
+
+ /* read concurrently without nfnl_grp_active_lock held. */
+ WRITE_ONCE(net->ct.ctnetlink_has_listener, v);
+ }
+
+ spin_unlock(&nfnl_grp_active_lock);
+#endif
+}
+
static int nfnetlink_bind(struct net *net, int group)
{
const struct nfnetlink_subsystem *ss;
@@ -670,28 +712,45 @@ static int nfnetlink_bind(struct net *net, int group)
if (!ss)
request_module_nowait("nfnetlink-subsys-%d", type);
-#ifdef CONFIG_NF_CONNTRACK_EVENTS
- if (type == NFNL_SUBSYS_CTNETLINK) {
- nfnl_lock(NFNL_SUBSYS_CTNETLINK);
- WRITE_ONCE(net->ct.ctnetlink_has_listener, true);
- nfnl_unlock(NFNL_SUBSYS_CTNETLINK);
- }
-#endif
+ nfnetlink_bind_event(net, group);
return 0;
}
static void nfnetlink_unbind(struct net *net, int group)
{
#ifdef CONFIG_NF_CONNTRACK_EVENTS
+ int type, group_bit;
+
if (group <= NFNLGRP_NONE || group > NFNLGRP_MAX)
return;
- if (nfnl_group2type[group] == NFNL_SUBSYS_CTNETLINK) {
- nfnl_lock(NFNL_SUBSYS_CTNETLINK);
- if (!nfnetlink_has_listeners(net, group))
- WRITE_ONCE(net->ct.ctnetlink_has_listener, false);
- nfnl_unlock(NFNL_SUBSYS_CTNETLINK);
+ type = nfnl_group2type[group];
+
+ switch (type) {
+ case NFNL_SUBSYS_CTNETLINK:
+ break;
+ case NFNL_SUBSYS_CTNETLINK_EXP:
+ break;
+ default:
+ return;
+ }
+
+ /* ctnetlink_has_listener is u8 */
+ if (group >= 8)
+ return;
+
+ group_bit = (1 << group);
+
+ spin_lock(&nfnl_grp_active_lock);
+ if (!nfnetlink_has_listeners(net, group)) {
+ u8 v = READ_ONCE(net->ct.ctnetlink_has_listener);
+
+ v &= ~group_bit;
+
+ /* read concurrently without nfnl_grp_active_lock held. */
+ WRITE_ONCE(net->ct.ctnetlink_has_listener, v);
}
+ spin_unlock(&nfnl_grp_active_lock);
#endif
}
diff --git a/tools/testing/selftests/netfilter/nft_flowtable.sh b/tools/testing/selftests/netfilter/nft_flowtable.sh
index d4ffebb989f8..7060bae04ec8 100755
--- a/tools/testing/selftests/netfilter/nft_flowtable.sh
+++ b/tools/testing/selftests/netfilter/nft_flowtable.sh
@@ -14,13 +14,17 @@
# nft_flowtable.sh -o8000 -l1500 -r2000
#
+sfx=$(mktemp -u "XXXXXXXX")
+ns1="ns1-$sfx"
+ns2="ns2-$sfx"
+nsr1="nsr1-$sfx"
+nsr2="nsr2-$sfx"
# Kselftest framework requirement - SKIP code is 4.
ksft_skip=4
ret=0
-ns1in=""
-ns2in=""
+nsin=""
ns1out=""
ns2out=""
@@ -36,21 +40,19 @@ checktool (){
checktool "nft --version" "run test without nft tool"
checktool "ip -Version" "run test without ip tool"
checktool "which nc" "run test without nc (netcat)"
-checktool "ip netns add nsr1" "create net namespace"
+checktool "ip netns add $nsr1" "create net namespace $nsr1"
-ip netns add ns1
-ip netns add ns2
-
-ip netns add nsr2
+ip netns add $ns1
+ip netns add $ns2
+ip netns add $nsr2
cleanup() {
- for i in 1 2; do
- ip netns del ns$i
- ip netns del nsr$i
- done
+ ip netns del $ns1
+ ip netns del $ns2
+ ip netns del $nsr1
+ ip netns del $nsr2
- rm -f "$ns1in" "$ns1out"
- rm -f "$ns2in" "$ns2out"
+ rm -f "$nsin" "$ns1out" "$ns2out"
[ $log_netns -eq 0 ] && sysctl -q net.netfilter.nf_log_all_netns=$log_netns
}
@@ -59,22 +61,21 @@ trap cleanup EXIT
sysctl -q net.netfilter.nf_log_all_netns=1
-ip link add veth0 netns nsr1 type veth peer name eth0 netns ns1
-ip link add veth1 netns nsr1 type veth peer name veth0 netns nsr2
+ip link add veth0 netns $nsr1 type veth peer name eth0 netns $ns1
+ip link add veth1 netns $nsr1 type veth peer name veth0 netns $nsr2
-ip link add veth1 netns nsr2 type veth peer name eth0 netns ns2
+ip link add veth1 netns $nsr2 type veth peer name eth0 netns $ns2
for dev in lo veth0 veth1; do
- for i in 1 2; do
- ip -net nsr$i link set $dev up
- done
+ ip -net $nsr1 link set $dev up
+ ip -net $nsr2 link set $dev up
done
-ip -net nsr1 addr add 10.0.1.1/24 dev veth0
-ip -net nsr1 addr add dead:1::1/64 dev veth0
+ip -net $nsr1 addr add 10.0.1.1/24 dev veth0
+ip -net $nsr1 addr add dead:1::1/64 dev veth0
-ip -net nsr2 addr add 10.0.2.1/24 dev veth1
-ip -net nsr2 addr add dead:2::1/64 dev veth1
+ip -net $nsr2 addr add 10.0.2.1/24 dev veth1
+ip -net $nsr2 addr add dead:2::1/64 dev veth1
# set different MTUs so we need to push packets coming from ns1 (large MTU)
# to ns2 (smaller MTU) to stack either to perform fragmentation (ip_no_pmtu_disc=1),
@@ -106,85 +107,76 @@ do
esac
done
-if ! ip -net nsr1 link set veth0 mtu $omtu; then
+if ! ip -net $nsr1 link set veth0 mtu $omtu; then
exit 1
fi
-ip -net ns1 link set eth0 mtu $omtu
+ip -net $ns1 link set eth0 mtu $omtu
-if ! ip -net nsr2 link set veth1 mtu $rmtu; then
+if ! ip -net $nsr2 link set veth1 mtu $rmtu; then
exit 1
fi
-ip -net ns2 link set eth0 mtu $rmtu
+ip -net $ns2 link set eth0 mtu $rmtu
# transfer-net between nsr1 and nsr2.
# these addresses are not used for connections.
-ip -net nsr1 addr add 192.168.10.1/24 dev veth1
-ip -net nsr1 addr add fee1:2::1/64 dev veth1
-
-ip -net nsr2 addr add 192.168.10.2/24 dev veth0
-ip -net nsr2 addr add fee1:2::2/64 dev veth0
-
-for i in 1 2; do
- ip netns exec nsr$i sysctl net.ipv4.conf.veth0.forwarding=1 > /dev/null
- ip netns exec nsr$i sysctl net.ipv4.conf.veth1.forwarding=1 > /dev/null
-
- ip -net ns$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:$i::1
- if ! ip netns exec ns$i sysctl net.ipv4.tcp_no_metrics_save=1 > /dev/null; then
+ip -net $nsr1 addr add 192.168.10.1/24 dev veth1
+ip -net $nsr1 addr add fee1:2::1/64 dev veth1
+
+ip -net $nsr2 addr add 192.168.10.2/24 dev veth0
+ip -net $nsr2 addr add fee1:2::2/64 dev veth0
+
+for i in 0 1; do
+ ip netns exec $nsr1 sysctl net.ipv4.conf.veth$i.forwarding=1 > /dev/null
+ ip netns exec $nsr2 sysctl net.ipv4.conf.veth$i.forwarding=1 > /dev/null
+done
+
+for ns in $ns1 $ns2;do
+ ip -net $ns link set lo up
+ ip -net $ns link set eth0 up
+
+ if ! ip netns exec $ns sysctl net.ipv4.tcp_no_metrics_save=1 > /dev/null; then
echo "ERROR: Check Originator/Responder values (problem during address addition)"
exit 1
fi
-
# don't set ip DF bit for first two tests
- ip netns exec ns$i sysctl net.ipv4.ip_no_pmtu_disc=1 > /dev/null
+ ip netns exec $ns sysctl net.ipv4.ip_no_pmtu_disc=1 > /dev/null
done
-ip -net nsr1 route add default via 192.168.10.2
-ip -net nsr2 route add default via 192.168.10.1
+ip -net $ns1 addr add 10.0.1.99/24 dev eth0
+ip -net $ns2 addr add 10.0.2.99/24 dev eth0
+ip -net $ns1 route add default via 10.0.1.1
+ip -net $ns2 route add default via 10.0.2.1
+ip -net $ns1 addr add dead:1::99/64 dev eth0
+ip -net $ns2 addr add dead:2::99/64 dev eth0
+ip -net $ns1 route add default via dead:1::1
+ip -net $ns2 route add default via dead:2::1
+
+ip -net $nsr1 route add default via 192.168.10.2
+ip -net $nsr2 route add default via 192.168.10.1
-ip netns exec nsr1 nft -f - <<EOF
+ip netns exec $nsr1 nft -f - <<EOF
table inet filter {
flowtable f1 {
hook ingress priority 0
devices = { veth0, veth1 }
}
+ counter routed_orig { }
+ counter routed_repl { }
+
chain forward {
type filter hook forward priority 0; policy drop;
# flow offloaded? Tag ct with mark 1, so we can detect when it fails.
- meta oif "veth1" tcp dport 12345 flow offload @f1 counter
-
- # use packet size to trigger 'should be offloaded by now'.
- # otherwise, if 'flow offload' expression never offloads, the
- # test will pass.
- tcp dport 12345 meta length gt 200 ct mark set 1 counter
+ meta oif "veth1" tcp dport 12345 ct mark set 1 flow add @f1 counter name routed_orig accept
- # this turns off flow offloading internally, so expect packets again
- tcp flags fin,rst ct mark set 0 accept
-
- # this allows large packets from responder, we need this as long
- # as PMTUd is off.
- # This rule is deleted for the last test, when we expect PMTUd
- # to kick in and ensure all packets meet mtu requirements.
- meta length gt $lmtu accept comment something-to-grep-for
-
- # next line blocks connection w.o. working offload.
- # we only do this for reverse dir, because we expect packets to
- # enter slow path due to MTU mismatch of veth0 and veth1.
- tcp sport 12345 ct mark 1 counter log prefix "mark failure " drop
+ # count packets supposedly offloaded as per direction.
+ ct mark 1 counter name ct direction map { original : routed_orig, reply : routed_repl } accept
ct state established,related accept
- # for packets that we can't offload yet, i.e. SYN (any ct that is not confirmed)
- meta length lt 200 oif "veth1" tcp dport 12345 counter accept
-
meta nfproto ipv4 meta l4proto icmp accept
meta nfproto ipv6 meta l4proto icmpv6 accept
}
@@ -197,30 +189,30 @@ if [ $? -ne 0 ]; then
fi
# test basic connectivity
-if ! ip netns exec ns1 ping -c 1 -q 10.0.2.99 > /dev/null; then
- echo "ERROR: ns1 cannot reach ns2" 1>&2
+if ! ip netns exec $ns1 ping -c 1 -q 10.0.2.99 > /dev/null; then
+ echo "ERROR: $ns1 cannot reach ns2" 1>&2
exit 1
fi
-if ! ip netns exec ns2 ping -c 1 -q 10.0.1.99 > /dev/null; then
- echo "ERROR: ns2 cannot reach ns1" 1>&2
+if ! ip netns exec $ns2 ping -c 1 -q 10.0.1.99 > /dev/null; then
+ echo "ERROR: $ns2 cannot reach $ns1" 1>&2
exit 1
fi
if [ $ret -eq 0 ];then
- echo "PASS: netns routing/connectivity: ns1 can reach ns2"
+ echo "PASS: netns routing/connectivity: $ns1 can reach $ns2"
fi
-ns1in=$(mktemp)
+nsin=$(mktemp)
ns1out=$(mktemp)
-ns2in=$(mktemp)
ns2out=$(mktemp)
make_file()
{
name=$1
- SIZE=$((RANDOM % (1024 * 8)))
+ SIZE=$((RANDOM % (1024 * 128)))
+ SIZE=$((SIZE + (1024 * 8)))
TSIZE=$((SIZE * 1024))
dd if=/dev/urandom of="$name" bs=1024 count=$SIZE 2> /dev/null
@@ -231,6 +223,38 @@ make_file()
dd if=/dev/urandom conf=notrunc of="$name" bs=1 count=$SIZE 2> /dev/null
}
+check_counters()
+{
+ local what=$1
+ local ok=1
+
+ local orig=$(ip netns exec $nsr1 nft reset counter inet filter routed_orig | grep packets)
+ local repl=$(ip netns exec $nsr1 nft reset counter inet filter routed_repl | grep packets)
+
+ local orig_cnt=${orig#*bytes}
+ local repl_cnt=${repl#*bytes}
+
+ local fs=$(du -sb $nsin)
+ local max_orig=${fs%%/*}
+ local max_repl=$((max_orig/4))
+
+ if [ $orig_cnt -gt $max_orig ];then
+ echo "FAIL: $what: original counter $orig_cnt exceeds expected value $max_orig" 1>&2
+ ret=1
+ ok=0
+ fi
+
+ if [ $repl_cnt -gt $max_repl ];then
+ echo "FAIL: $what: reply counter $repl_cnt exceeds expected value $max_repl" 1>&2
+ ret=1
+ ok=0
+ fi
+
+ if [ $ok -eq 1 ]; then
+ echo "PASS: $what"
+ fi
+}
+
check_transfer()
{
in=$1
@@ -255,11 +279,11 @@ test_tcp_forwarding_ip()
local dstport=$4
local lret=0
- ip netns exec $nsb nc -w 5 -l -p 12345 < "$ns2in" > "$ns2out" &
+ ip netns exec $nsb nc -w 5 -l -p 12345 < "$nsin" > "$ns2out" &
lpid=$!
sleep 1
- ip netns exec $nsa nc -w 4 "$dstip" "$dstport" < "$ns1in" > "$ns1out" &
+ ip netns exec $nsa nc -w 4 "$dstip" "$dstport" < "$nsin" > "$ns1out" &
cpid=$!
sleep 3
@@ -274,11 +298,11 @@ test_tcp_forwarding_ip()
wait
- if ! check_transfer "$ns1in" "$ns2out" "ns1 -> ns2"; then
+ if ! check_transfer "$nsin" "$ns2out" "ns1 -> ns2"; then
lret=1
fi
- if ! check_transfer "$ns2in" "$ns1out" "ns1 <- ns2"; then
+ if ! check_transfer "$nsin" "$ns1out" "ns1 <- ns2"; then
lret=1
fi
@@ -295,41 +319,59 @@ test_tcp_forwarding()
test_tcp_forwarding_nat()
{
local lret
+ local pmtu
test_tcp_forwarding_ip "$1" "$2" 10.0.2.99 12345
lret=$?
+ pmtu=$3
+ what=$4
+
if [ $lret -eq 0 ] ; then
+ if [ $pmtu -eq 1 ] ;then
+ check_counters "flow offload for ns1/ns2 with masquerade and pmtu discovery $what"
+ else
+ echo "PASS: flow offload for ns1/ns2 with masquerade $what"
+ fi
+
test_tcp_forwarding_ip "$1" "$2" 10.6.6.6 1666
lret=$?
+ if [ $pmtu -eq 1 ] ;then
+ check_counters "flow offload for ns1/ns2 with dnat and pmtu discovery $what"
+ elif [ $lret -eq 0 ] ; then
+ echo "PASS: flow offload for ns1/ns2 with dnat $what"
+ fi
fi
return $lret
}
-make_file "$ns1in"
-make_file "$ns2in"
+make_file "$nsin"
# First test:
# No PMTU discovery, nsr1 is expected to fragment packets from ns1 to ns2 as needed.
-if test_tcp_forwarding ns1 ns2; then
+# Due to MTU mismatch in both directions, all packets (except small packets like pure
+# acks) have to be handled by normal forwarding path. Therefore, packet counters
+# are not checked.
+if test_tcp_forwarding $ns1 $ns2; then
echo "PASS: flow offloaded for ns1/ns2"
else
echo "FAIL: flow offload for ns1/ns2:" 1>&2
- ip netns exec nsr1 nft list ruleset
+ ip netns exec $nsr1 nft list ruleset
ret=1
fi
# delete default route, i.e. ns2 won't be able to reach ns1 and
# will depend on ns1 being masqueraded in nsr1.
# expect ns1 has nsr1 address.
-ip -net ns2 route del default via 10.0.2.1
-ip -net ns2 route del default via dead:2::1
-ip -net ns2 route add 192.168.10.1 via 10.0.2.1
+ip -net $ns2 route del default via 10.0.2.1
+ip -net $ns2 route del default via dead:2::1
+ip -net $ns2 route add 192.168.10.1 via 10.0.2.1
# Second test:
-# Same, but with NAT enabled.
-ip netns exec nsr1 nft -f - <<EOF
+# Same, but with NAT enabled. Same as in first test: we expect normal forward path
+# to handle most packets.
+ip netns exec $nsr1 nft -f - <<EOF
table ip nat {
chain prerouting {
type nat hook prerouting priority 0; policy accept;
@@ -343,47 +385,45 @@ table ip nat {
}
EOF
-if test_tcp_forwarding_nat ns1 ns2; then
- echo "PASS: flow offloaded for ns1/ns2 with NAT"
-else
+if ! test_tcp_forwarding_nat $ns1 $ns2 0 ""; then
echo "FAIL: flow offload for ns1/ns2 with NAT" 1>&2
- ip netns exec nsr1 nft list ruleset
+ ip netns exec $nsr1 nft list ruleset
ret=1
fi
# Third test:
-# Same as second test, but with PMTU discovery enabled.
-handle=$(ip netns exec nsr1 nft -a list table inet filter | grep something-to-grep-for | cut -d \# -f 2)
-
-if ! ip netns exec nsr1 nft delete rule inet filter forward $handle; then
- echo "FAIL: Could not delete large-packet accept rule"
- exit 1
-fi
-
-ip netns exec ns1 sysctl net.ipv4.ip_no_pmtu_disc=0 > /dev/null
-ip netns exec ns2 sysctl net.ipv4.ip_no_pmtu_disc=0 > /dev/null
-
-if test_tcp_forwarding_nat ns1 ns2; then
- echo "PASS: flow offloaded for ns1/ns2 with NAT and pmtu discovery"
-else
+# Same as second test, but with PMTU discovery enabled. This
+# means that we expect the fastpath to handle packets as soon
+# as the endpoints adjust the packet size.
+ip netns exec $ns1 sysctl net.ipv4.ip_no_pmtu_disc=0 > /dev/null
+ip netns exec $ns2 sysctl net.ipv4.ip_no_pmtu_disc=0 > /dev/null
+
+# reset counters.
+# With pmtu in-place we'll also check that nft counters
+# are lower than file size and packets were forwarded via flowtable layer.
+# For earlier tests (large mtus), packets cannot be handled via flowtable
+# (except pure acks and other small packets).
+ip netns exec $nsr1 nft reset counters table inet filter >/dev/null
+
+if ! test_tcp_forwarding_nat $ns1 $ns2 1 ""; then
echo "FAIL: flow offload for ns1/ns2 with NAT and pmtu discovery" 1>&2
- ip netns exec nsr1 nft list ruleset
+ ip netns exec $nsr1 nft list ruleset
fi
# Another test:
# Add bridge interface br0 to Router1, with NAT enabled.
-ip -net nsr1 link add name br0 type bridge
-ip -net nsr1 addr flush dev veth0
-ip -net nsr1 link set up dev veth0
-ip -net nsr1 link set veth0 master br0
-ip -net nsr1 addr add 10.0.1.1/24 dev br0
-ip -net nsr1 addr add dead:1::1/64 dev br0
-ip -net nsr1 link set up dev br0
+ip -net $nsr1 link add name br0 type bridge
+ip -net $nsr1 addr flush dev veth0
+ip -net $nsr1 link set up dev veth0
+ip -net $nsr1 link set veth0 master br0
+ip -net $nsr1 addr add 10.0.1.1/24 dev br0
+ip -net $nsr1 addr add dead:1::1/64 dev br0
+ip -net $nsr1 link set up dev br0
-ip netns exec nsr1 sysctl net.ipv4.conf.br0.forwarding=1 > /dev/null
+ip netns exec $nsr1 sysctl net.ipv4.conf.br0.forwarding=1 > /dev/null
# br0 with NAT enabled.
-ip netns exec nsr1 nft -f - <<EOF
+ip netns exec $nsr1 nft -f - <<EOF
flush table ip nat
table ip nat {
chain prerouting {
@@ -398,59 +438,56 @@ table ip nat {
}
EOF
-if test_tcp_forwarding_nat ns1 ns2; then
- echo "PASS: flow offloaded for ns1/ns2 with bridge NAT"
-else
+if ! test_tcp_forwarding_nat $ns1 $ns2 1 "on bridge"; then
echo "FAIL: flow offload for ns1/ns2 with bridge NAT" 1>&2
- ip netns exec nsr1 nft list ruleset
+ ip netns exec $nsr1 nft list ruleset
ret=1
fi
+
# Another test:
# Add bridge interface br0 to Router1, with NAT and VLAN.
-ip -net nsr1 link set veth0 nomaster
-ip -net nsr1 link set down dev veth0
-ip -net nsr1 link add link veth0 name veth0.10 type vlan id 10
-ip -net nsr1 link set up dev veth0
-ip -net nsr1 link set up dev veth0.10
-ip -net nsr1 link set veth0.10 master br0
-
-ip -net ns1 addr flush dev eth0
-ip -net ns1 link add link eth0 name eth0.10 type vlan id 10
-ip -net ns1 link set eth0 up
-ip -net ns1 link set eth0.10 up
-ip -net ns1 addr add 10.0.1.99/24 dev eth0.10
-ip -net ns1 route add default via 10.0.1.1
-ip -net ns1 addr add dead:1::99/64 dev eth0.10
-
-if test_tcp_forwarding_nat ns1 ns2; then
- echo "PASS: flow offloaded for ns1/ns2 with bridge NAT and VLAN"
-else
+ip -net $nsr1 link set veth0 nomaster
+ip -net $nsr1 link set down dev veth0
+ip -net $nsr1 link add link veth0 name veth0.10 type vlan id 10
+ip -net $nsr1 link set up dev veth0
+ip -net $nsr1 link set up dev veth0.10
+ip -net $nsr1 link set veth0.10 master br0
+
+ip -net $ns1 addr flush dev eth0
+ip -net $ns1 link add link eth0 name eth0.10 type vlan id 10
+ip -net $ns1 link set eth0 up
+ip -net $ns1 link set eth0.10 up
+ip -net $ns1 addr add 10.0.1.99/24 dev eth0.10
+ip -net $ns1 route add default via 10.0.1.1
+ip -net $ns1 addr add dead:1::99/64 dev eth0.10
+
+if ! test_tcp_forwarding_nat $ns1 $ns2 1 "bridge and VLAN"; then
echo "FAIL: flow offload for ns1/ns2 with bridge NAT and VLAN" 1>&2
- ip netns exec nsr1 nft list ruleset
+ ip netns exec $nsr1 nft list ruleset
ret=1
fi
# restore test topology (remove bridge and VLAN)
-ip -net nsr1 link set veth0 nomaster
-ip -net nsr1 link set veth0 down
-ip -net nsr1 link set veth0.10 down
-ip -net nsr1 link delete veth0.10 type vlan
-ip -net nsr1 link delete br0 type bridge
-ip -net ns1 addr flush dev eth0.10
-ip -net ns1 link set eth0.10 down
-ip -net ns1 link set eth0 down
-ip -net ns1 link delete eth0.10 type vlan
+ip -net $nsr1 link set veth0 nomaster
+ip -net $nsr1 link set veth0 down
+ip -net $nsr1 link set veth0.10 down
+ip -net $nsr1 link delete veth0.10 type vlan
+ip -net $nsr1 link delete br0 type bridge
+ip -net $ns1 addr flush dev eth0.10
+ip -net $ns1 link set eth0.10 down
+ip -net $ns1 link set eth0 down
+ip -net $ns1 link delete eth0.10 type vlan
# restore address in ns1 and nsr1
-ip -net ns1 link set eth0 up
-ip -net ns1 addr add 10.0.1.99/24 dev eth0
-ip -net ns1 route add default via 10.0.1.1
-ip -net ns1 addr add dead:1::99/64 dev eth0
-ip -net ns1 route add default via dead:1::1
-ip -net nsr1 addr add 10.0.1.1/24 dev veth0
-ip -net nsr1 addr add dead:1::1/64 dev veth0
-ip -net nsr1 link set up dev veth0
+ip -net $ns1 link set eth0 up
+ip -net $ns1 addr add 10.0.1.99/24 dev eth0
+ip -net $ns1 route add default via 10.0.1.1
+ip -net $ns1 addr add dead:1::99/64 dev eth0
+ip -net $ns1 route add default via dead:1::1
+ip -net $nsr1 addr add 10.0.1.1/24 dev veth0
+ip -net $nsr1 addr add dead:1::1/64 dev veth0
+ip -net $nsr1 link set up dev veth0
KEY_SHA="0x"$(ps -xaf | sha1sum | cut -d " " -f 1)
KEY_AES="0x"$(ps -xaf | md5sum | cut -d " " -f 1)
@@ -480,23 +517,23 @@ do_esp() {
}
-do_esp nsr1 192.168.10.1 192.168.10.2 10.0.1.0/24 10.0.2.0/24 $SPI1 $SPI2
+do_esp $nsr1 192.168.10.1 192.168.10.2 10.0.1.0/24 10.0.2.0/24 $SPI1 $SPI2
-do_esp nsr2 192.168.10.2 192.168.10.1 10.0.2.0/24 10.0.1.0/24 $SPI2 $SPI1
+do_esp $nsr2 192.168.10.2 192.168.10.1 10.0.2.0/24 10.0.1.0/24 $SPI2 $SPI1
-ip netns exec nsr1 nft delete table ip nat
+ip netns exec $nsr1 nft delete table ip nat
# restore default routes
-ip -net ns2 route del 192.168.10.1 via 10.0.2.1
-ip -net ns2 route add default via 10.0.2.1
-ip -net ns2 route add default via dead:2::1
+ip -net $ns2 route del 192.168.10.1 via 10.0.2.1
+ip -net $ns2 route add default via 10.0.2.1
+ip -net $ns2 route add default via dead:2::1
-if test_tcp_forwarding ns1 ns2; then
- echo "PASS: ipsec tunnel mode for ns1/ns2"
+if test_tcp_forwarding $ns1 $ns2; then
+ check_counters "ipsec tunnel mode for ns1/ns2"
else
echo "FAIL: ipsec tunnel mode for ns1/ns2"
- ip netns exec nsr1 nft list ruleset 1>&2
- ip netns exec nsr1 cat /proc/net/xfrm_stat 1>&2
+ ip netns exec $nsr1 nft list ruleset 1>&2
+ ip netns exec $nsr1 cat /proc/net/xfrm_stat 1>&2
fi
exit $ret