#include <plugins/ikev2/ikev2_priv.h>
#include <openssl/sha.h>
#include <vnet/ipsec/ipsec_punt.h>
+#include <plugins/ikev2/ikev2.api_enum.h>
#define IKEV2_LIVENESS_RETRIES 3
#define IKEV2_LIVENESS_PERIOD_CHECK 30
u32 sw_if_index;
} ikev2_trace_t;
+typedef struct
+{
+ u16 n_keepalives;
+ u16 n_rekey_req;
+ u16 n_exchange_sa_req;
+ u16 n_ike_auth_req;
+} ikev2_stats_t;
+
static u8 *
format_ikev2_trace (u8 * s, va_list * args)
{
return s;
}
-#define foreach_ikev2_error \
-_(PROCESSED, "IKEv2 packets processed") \
-_(IKE_SA_INIT_RETRANSMIT, "IKE_SA_INIT retransmit ") \
-_(IKE_SA_INIT_IGNORE, "IKE_SA_INIT ignore (IKE SA already auth)") \
-_(IKE_REQ_RETRANSMIT, "IKE request retransmit") \
-_(IKE_REQ_IGNORE, "IKE request ignore (old msgid)") \
-_(NOT_IKEV2, "Non IKEv2 packets received") \
-_(BAD_LENGTH, "Bad packet length") \
-_(MALFORMED_PACKET, "Malformed packet") \
-_(NO_BUFF_SPACE, "No buffer space")
-
-typedef enum
-{
-#define _(sym,str) IKEV2_ERROR_##sym,
- foreach_ikev2_error
-#undef _
- IKEV2_N_ERROR,
-} ikev2_error_t;
-
-static char *ikev2_error_strings[] = {
-#define _(sym,string) string,
- foreach_ikev2_error
-#undef _
-};
-
typedef enum
{
IKEV2_NEXT_IP4_LOOKUP,
}
static u32
-ikev2_generate_message (vlib_buffer_t * b, ikev2_sa_t * sa,
- ike_header_t * ike, void *user, udp_header_t * udp)
+ikev2_generate_message (vlib_buffer_t *b, ikev2_sa_t *sa, ike_header_t *ike,
+ void *user, udp_header_t *udp, ikev2_stats_t *stats)
{
ikev2_main_t *km = &ikev2_main;
u16 buffer_data_size = vlib_buffer_get_default_data_size (km->vlib_main);
vec_free (data);
sa->unsupported_cp = 0;
}
- /* else send empty response */
+ else
+ /* else send empty response */
+ {
+ if (ike_hdr_is_response (ike))
+ {
+ ASSERT (stats != 0);
+ stats->n_keepalives++;
+ }
+ }
}
else if (ike->exchange == IKEV2_EXCHANGE_CREATE_CHILD_SA)
{
ikev2_elog_error (IKEV2_GENERATE_SA_INIT_OK_ERR_UNSUPP_STR);
}
+static void
+ikev2_update_stats (vlib_main_t *vm, u32 node_index, ikev2_stats_t *s)
+{
+ vlib_node_increment_counter (vm, node_index, IKEV2_ERROR_KEEPALIVE,
+ s->n_keepalives);
+ vlib_node_increment_counter (vm, node_index, IKEV2_ERROR_REKEY_REQ,
+ s->n_rekey_req);
+ vlib_node_increment_counter (vm, node_index, IKEV2_ERROR_EXCHANGE_SA_REQ,
+ s->n_exchange_sa_req);
+ vlib_node_increment_counter (vm, node_index, IKEV2_ERROR_IKE_AUTH_REQ,
+ s->n_ike_auth_req);
+}
+
static_always_inline uword
ikev2_node_internal (vlib_main_t *vm, vlib_node_runtime_t *node,
vlib_frame_t *frame, u8 is_ip4, u8 natt)
vlib_buffer_t *bufs[VLIB_FRAME_SIZE], **b;
u16 nexts[VLIB_FRAME_SIZE], *next = nexts;
ikev2_main_per_thread_data_t *ptd = ikev2_get_per_thread_data ();
+ ikev2_stats_t _stats, *stats = &_stats;
int res;
+ clib_memset_u16 (stats, 0, sizeof (stats[0]) / sizeof (u16));
from = vlib_frame_vector_args (frame);
vlib_get_buffers (vm, from, bufs, n_left);
b = bufs;
if (ike_hdr_is_initiator (ike0))
{
+ stats->n_exchange_sa_req++;
if (ike0->rspi == 0)
{
if (is_ip4)
|| sa0->state == IKEV2_STATE_NOTIFY_AND_DELETE)
{
ike0->flags = IKEV2_HDR_FLAG_RESPONSE;
- slen = ikev2_generate_message (b0, sa0, ike0, 0, udp0);
+ slen =
+ ikev2_generate_message (b0, sa0, ike0, 0, udp0, stats);
if (~0 == slen)
vlib_node_increment_counter (vm, node->node_index,
IKEV2_ERROR_NO_BUFF_SPACE,
ike0->msgid =
clib_net_to_host_u32 (sai->last_init_msg_id);
sa0->last_init_msg_id = sai->last_init_msg_id + 1;
- slen =
- ikev2_generate_message (b0, sa0, ike0, 0, udp0);
+ slen = ikev2_generate_message (b0, sa0, ike0, 0,
+ udp0, stats);
if (~0 == slen)
vlib_node_increment_counter (vm,
node->node_index,
}
else
{
+ stats->n_ike_auth_req++;
ike0->flags = IKEV2_HDR_FLAG_RESPONSE;
- slen = ikev2_generate_message (b0, sa0, ike0, 0, udp0);
+ slen =
+ ikev2_generate_message (b0, sa0, ike0, 0, udp0, stats);
if (~0 == slen)
vlib_node_increment_counter (vm, node->node_index,
IKEV2_ERROR_NO_BUFF_SPACE,
if (ike_hdr_is_request (ike0))
{
ike0->flags = IKEV2_HDR_FLAG_RESPONSE;
- slen = ikev2_generate_message (b0, sa0, ike0, 0, udp0);
+ slen =
+ ikev2_generate_message (b0, sa0, ike0, 0, udp0, stats);
if (~0 == slen)
vlib_node_increment_counter (vm, node->node_index,
IKEV2_ERROR_NO_BUFF_SPACE,
}
else
{
+ stats->n_rekey_req++;
ike0->flags = IKEV2_HDR_FLAG_RESPONSE;
- slen = ikev2_generate_message (b0, sa0, ike0, 0, udp0);
+ slen =
+ ikev2_generate_message (b0, sa0, ike0, 0, udp0, stats);
if (~0 == slen)
vlib_node_increment_counter (vm, node->node_index,
IKEV2_ERROR_NO_BUFF_SPACE,
b += 1;
}
+ ikev2_update_stats (vm, node->node_index, stats);
vlib_node_increment_counter (vm, node->node_index,
IKEV2_ERROR_PROCESSED, frame->n_vectors);
vlib_buffer_enqueue_to_next (vm, node, from, nexts, frame->n_vectors);
.format_trace = format_ikev2_trace,
.type = VLIB_NODE_TYPE_INTERNAL,
- .n_errors = ARRAY_LEN(ikev2_error_strings),
- .error_strings = ikev2_error_strings,
+ .n_errors = IKEV2_N_ERROR,
+ .error_counters = ikev2_error_counters,
.n_next_nodes = IKEV2_IP4_N_NEXT,
.next_nodes = {
.format_trace = format_ikev2_trace,
.type = VLIB_NODE_TYPE_INTERNAL,
- .n_errors = ARRAY_LEN(ikev2_error_strings),
- .error_strings = ikev2_error_strings,
+ .n_errors = IKEV2_N_ERROR,
+ .error_counters = ikev2_error_counters,
.n_next_nodes = IKEV2_IP4_N_NEXT,
.next_nodes = {
.format_trace = format_ikev2_trace,
.type = VLIB_NODE_TYPE_INTERNAL,
- .n_errors = ARRAY_LEN(ikev2_error_strings),
- .error_strings = ikev2_error_strings,
+ .n_errors = IKEV2_N_ERROR,
+ .error_counters = ikev2_error_counters,
.n_next_nodes = IKEV2_IP6_N_NEXT,
.next_nodes = {
ike0->flags = 0;
ike0->msgid = clib_host_to_net_u32 (sa->last_init_msg_id);
sa->last_init_msg_id += 1;
- len = ikev2_generate_message (b0, sa, ike0, 0, 0);
+ len = ikev2_generate_message (b0, sa, ike0, 0, 0, 0);
if (~0 == len)
return;
sa->del->spi = csa->i_proposals->spi;
ike0->msgid = clib_host_to_net_u32 (sa->last_init_msg_id);
sa->last_init_msg_id += 1;
- len = ikev2_generate_message (b0, sa, ike0, 0, 0);
+ len = ikev2_generate_message (b0, sa, ike0, 0, 0, 0);
if (~0 == len)
return;
RAND_bytes ((u8 *) & proposals[0].spi, sizeof (proposals[0].spi));
rekey->spi = proposals[0].spi;
rekey->ispi = csa->i_proposals->spi;
- len = ikev2_generate_message (b0, sa, ike0, proposals, 0);
+ len = ikev2_generate_message (b0, sa, ike0, proposals, 0, 0);
if (~0 == len)
return;
ike0->msgid = clib_host_to_net_u32 (sa->last_init_msg_id);
ike0->flags = 0;
sa->last_init_msg_id += 1;
- len = ikev2_generate_message (b0, sa, ike0, 0, 0);
+ len = ikev2_generate_message (b0, sa, ike0, 0, 0, 0);
if (~0 == len)
return;
self.vapi.cli('ikev2 set logging level 4')
self.vapi.cli('event-lo clear')
+ def assert_counter(self, count, name, version='ip4'):
+ node_name = '/err/ikev2-%s/' % version + name
+ self.assertEqual(count, self.statistics.get_err_counter(node_name))
+
def create_rekey_request(self):
sa, first_payload = self.generate_auth_payload(is_rekey=True)
header = ikev2.IKEv2(
self.sa.child_sas[0].rspi = prop.SPI
self.sa.calc_child_keys()
+ IKE_NODE_SUFFIX = 'ip4'
+
+ def verify_counters(self):
+ self.assert_counter(2, 'processed', self.IKE_NODE_SUFFIX)
+ self.assert_counter(1, 'exchange_sa_req', self.IKE_NODE_SUFFIX)
+ self.assert_counter(1, 'ike_auth_req', self.IKE_NODE_SUFFIX)
+
def test_responder(self):
self.send_sa_init_req()
self.send_sa_auth()
self.verify_ipsec_sas()
self.verify_ike_sas()
+ self.verify_counters()
class Ikev2Params(object):
class TestResponderBehindNAT(TemplateResponder, Ikev2Params):
""" test responder - responder behind NAT """
+ IKE_NODE_SUFFIX = 'ip4-natt'
+
def config_tc(self):
self.config_params({'r_natt': True})
class TestResponderInitBehindNATT(TemplateResponder, Ikev2Params):
""" test ikev2 responder - initiator behind NAT """
+
+ IKE_NODE_SUFFIX = 'ip4-natt'
+
def config_tc(self):
self.config_params(
{'i_natt': True})
class TestAES_CBC_128_SHA256_128_MODP3072_ESP_AES_GCM_16\
(TemplateResponder, Ikev2Params):
+
"""
IKE:AES_CBC_128_SHA256_128,DH=modp3072 ESP:AES_GCM_16
"""
"""
IKE:AES_GCM_16_256
"""
+
+ IKE_NODE_SUFFIX = 'ip6'
+
def config_tc(self):
self.config_params({
'del_sa_from_responder': True,
self.assertEqual(ih.id, self.sa.msg_id)
plain = self.sa.hmac_and_decrypt(ih)
self.assertEqual(plain, b'')
+ self.assert_counter(1, 'keepalive', 'ip4')
def test_initiator(self):
super(TestInitiatorKeepaliveMsg, self).test_initiator()
def config_tc(self):
self.config_params()
- def assert_counter(self, count, name, version='ip4'):
- node_name = '/err/ikev2-%s/' % version + name
- self.assertEqual(count, self.statistics.get_err_counter(node_name))
-
def create_ike_init_msg(self, length=None, payload=None):
msg = ikev2.IKEv2(length=length, init_SPI='\x11' * 8,
flags='Initiator', exch_type='IKE_SA_INIT')
def verify_bad_packet_length(self):
ike_msg = self.create_ike_init_msg(length=0xdead)
self.send_and_assert_no_replies(self.pg0, ike_msg * self.pkt_count)
- self.assert_counter(self.pkt_count, 'Bad packet length')
+ self.assert_counter(self.pkt_count, 'bad_length')
def verify_bad_sa_payload_length(self):
p = ikev2.IKEv2_payload_SA(length=0xdead)
ike_msg = self.create_ike_init_msg(payload=p)
self.send_and_assert_no_replies(self.pg0, ike_msg * self.pkt_count)
- self.assert_counter(self.pkt_count, 'Malformed packet')
+ self.assert_counter(self.pkt_count, 'malformed_packet')
def test_responder(self):
self.pkt_count = 254