Calculate IP/TCP/UDP checksums in software before adding authentication.
Change-Id: I3e121cb00aeba667764f39ade8d62170f18f8b6b
Signed-off-by: Klement Sekera <ksekera@cisco.com>
vnet/ipsec/ipsec_input.c \
vnet/ipsec/ipsec_if.c \
vnet/ipsec/ipsec_if_in.c \
- vnet/ipsec/ipsec_if_out.c \
vnet/ipsec/esp_format.c \
vnet/ipsec/esp_encrypt.c \
vnet/ipsec/esp_decrypt.c \
u8 sig[64];
memset (sig, 0, sizeof (sig));
- u8 *digest = NULL;
- {
- digest = vlib_buffer_get_current (i_b0) + ip_hdr_size + icv_size;
- memset (digest, 0, icv_size);
- }
+ u8 *digest =
+ vlib_buffer_get_current (i_b0) + ip_hdr_size + icv_size;
+ memset (digest, 0, icv_size);
- hmac_calc (sa0->integ_alg, sa0->integ_key,
- sa0->integ_key_len,
- (u8 *) vlib_buffer_get_current (i_b0),
- i_b0->current_length, sig, sa0->use_esn, sa0->seq_hi);
-
- memcpy (digest, (char *) &sig[0], 12);
+ unsigned size = hmac_calc (sa0->integ_alg, sa0->integ_key,
+ sa0->integ_key_len,
+ vlib_buffer_get_current (i_b0),
+ i_b0->current_length, sig, sa0->use_esn,
+ sa0->seq_hi);
+ memcpy (digest, sig, size);
if (PREDICT_FALSE (is_ipv6))
{
}
}
if (transport_mode)
- vlib_buffer_advance (i_b0, -sizeof (ethernet_header_t));;
+ vlib_buffer_advance (i_b0, -sizeof (ethernet_header_t));
trace:
if (PREDICT_FALSE (i_b0->flags & VLIB_BUFFER_IS_TRACED))
extern vlib_node_registration_t esp_decrypt_node;
extern vlib_node_registration_t ah_encrypt_node;
extern vlib_node_registration_t ah_decrypt_node;
-extern vlib_node_registration_t ipsec_if_output_node;
extern vlib_node_registration_t ipsec_if_input_node;
u32 ipsec_get_sa_index_by_sa_id (u32 sa_id);
u8 ipsec_is_sa_used (u32 sa_index);
-u8 *format_ipsec_if_output_trace (u8 * s, va_list * args);
u8 *format_ipsec_policy_action (u8 * s, va_list * args);
u8 *format_ipsec_crypto_alg (u8 * s, va_list * args);
u8 *format_ipsec_integ_alg (u8 * s, va_list * args);
return format (s, "ipsec%d", t->show_instance);
}
+/* Statistics (not really errors) */
+#define foreach_ipsec_if_tx_error \
+_(TX, "good packets transmitted")
+
+static char *ipsec_if_tx_error_strings[] = {
+#define _(sym,string) string,
+ foreach_ipsec_if_tx_error
+#undef _
+};
+
+typedef enum
+{
+#define _(sym,str) IPSEC_IF_OUTPUT_ERROR_##sym,
+ foreach_ipsec_if_tx_error
+#undef _
+ IPSEC_IF_TX_N_ERROR,
+} ipsec_if_tx_error_t;
+
+typedef struct
+{
+ u32 spi;
+ u32 seq;
+} ipsec_if_tx_trace_t;
+
+u8 *
+format_ipsec_if_tx_trace (u8 * s, va_list * args)
+{
+ CLIB_UNUSED (vlib_main_t * vm) = va_arg (*args, vlib_main_t *);
+ CLIB_UNUSED (vlib_node_t * node) = va_arg (*args, vlib_node_t *);
+ ipsec_if_tx_trace_t *t = va_arg (*args, ipsec_if_tx_trace_t *);
+
+ s = format (s, "IPSec: spi %u seq %u", t->spi, t->seq);
+ return s;
+}
+
static uword
-dummy_interface_tx (vlib_main_t * vm,
- vlib_node_runtime_t * node, vlib_frame_t * frame)
+ipsec_if_tx_node_fn (vlib_main_t * vm, vlib_node_runtime_t * node,
+ vlib_frame_t * from_frame)
{
- clib_warning ("you shouldn't be here, leaking buffers...");
- return frame->n_vectors;
+ ipsec_main_t *im = &ipsec_main;
+ vnet_main_t *vnm = im->vnet_main;
+ vnet_interface_main_t *vim = &vnm->interface_main;
+ u32 *from, *to_next = 0, next_index;
+ u32 n_left_from, sw_if_index0, last_sw_if_index = ~0;
+ u32 thread_index = vlib_get_thread_index ();
+ u32 n_bytes = 0, n_packets = 0;
+
+ from = vlib_frame_vector_args (from_frame);
+ n_left_from = from_frame->n_vectors;
+ next_index = node->cached_next_index;
+
+ while (n_left_from > 0)
+ {
+ u32 n_left_to_next;
+
+ vlib_get_next_frame (vm, node, next_index, to_next, n_left_to_next);
+
+ while (n_left_from > 0 && n_left_to_next > 0)
+ {
+ u32 bi0, next0, len0;
+ vlib_buffer_t *b0;
+ ipsec_tunnel_if_t *t0;
+ vnet_hw_interface_t *hi0;
+
+ bi0 = to_next[0] = from[0];
+ from += 1;
+ n_left_from -= 1;
+ to_next += 1;
+ n_left_to_next -= 1;
+ b0 = vlib_get_buffer (vm, bi0);
+ sw_if_index0 = vnet_buffer (b0)->sw_if_index[VLIB_TX];
+ hi0 = vnet_get_sup_hw_interface (vnm, sw_if_index0);
+ t0 = pool_elt_at_index (im->tunnel_interfaces, hi0->dev_instance);
+ vnet_buffer (b0)->ipsec.sad_index = t0->output_sa_index;
+ next0 = IPSEC_OUTPUT_NEXT_ESP_ENCRYPT;
+
+ len0 = vlib_buffer_length_in_chain (vm, b0);
+
+ if (PREDICT_TRUE (sw_if_index0 == last_sw_if_index))
+ {
+ n_packets++;
+ n_bytes += len0;
+ }
+ else
+ {
+ vlib_increment_combined_counter (vim->combined_sw_if_counters +
+ VNET_INTERFACE_COUNTER_TX,
+ thread_index, sw_if_index0,
+ n_packets, n_bytes);
+ last_sw_if_index = sw_if_index0;
+ n_packets = 1;
+ n_bytes = len0;
+ }
+
+ if (PREDICT_FALSE (b0->flags & VLIB_BUFFER_IS_TRACED))
+ {
+ ipsec_if_tx_trace_t *tr =
+ vlib_add_trace (vm, node, b0, sizeof (*tr));
+ ipsec_sa_t *sa0 =
+ pool_elt_at_index (im->sad, t0->output_sa_index);
+ tr->spi = sa0->spi;
+ tr->seq = sa0->seq;
+ }
+
+ vlib_validate_buffer_enqueue_x1 (vm, node, next_index, to_next,
+ n_left_to_next, bi0, next0);
+ }
+ vlib_put_next_frame (vm, node, next_index, n_left_to_next);
+ }
+
+ if (last_sw_if_index != ~0)
+ {
+ vlib_increment_combined_counter (vim->combined_sw_if_counters +
+ VNET_INTERFACE_COUNTER_TX,
+ thread_index,
+ last_sw_if_index, n_packets, n_bytes);
+ }
+
+ return from_frame->n_vectors;
}
+
static clib_error_t *
ipsec_admin_up_down_function (vnet_main_t * vnm, u32 hw_if_index, u32 flags)
{
return /* no error */ 0;
}
+
/* *INDENT-OFF* */
VNET_DEVICE_CLASS (ipsec_device_class, static) =
{
.name = "IPSec",
.format_device_name = format_ipsec_name,
- .format_tx_trace = format_ipsec_if_output_trace,
- .tx_function = dummy_interface_tx,
+ .format_tx_trace = format_ipsec_if_tx_trace,
+ .tx_function = ipsec_if_tx_node_fn,
+ .tx_function_n_errors = IPSEC_IF_TX_N_ERROR,
+ .tx_function_error_strings = ipsec_if_tx_error_strings,
.admin_up_down_function = ipsec_admin_up_down_function,
};
/* *INDENT-ON* */
uword *p;
ipsec_sa_t *sa;
u32 dev_instance;
+ u32 slot;
u64 key = (u64) args->remote_ip.as_u32 << 32 | (u64) args->remote_spi;
p = hash_get (im->ipsec_if_pool_index_by_key, key);
t - im->tunnel_interfaces);
hi = vnet_get_hw_interface (vnm, hw_if_index);
- hi->output_node_index = ipsec_if_output_node.index;
+
+ slot = vlib_node_add_named_next_with_slot
+ (vnm->vlib_main, hi->tx_node_index, "esp-encrypt",
+ IPSEC_OUTPUT_NEXT_ESP_ENCRYPT);
+
+ ASSERT (slot == IPSEC_OUTPUT_NEXT_ESP_ENCRYPT);
+
t->hw_if_index = hw_if_index;
vnet_feature_enable_disable ("interface-output", "ipsec-if-output",
+++ /dev/null
-/*
- * ipsec_if_out.c : IPSec interface output node
- *
- * Copyright (c) 2015 Cisco and/or its affiliates.
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at:
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#include <vnet/vnet.h>
-#include <vnet/api_errno.h>
-#include <vnet/ip/ip.h>
-
-#include <vnet/ipsec/ipsec.h>
-
-/* Statistics (not really errors) */
-#define foreach_ipsec_if_output_error \
-_(TX, "good packets transmitted")
-
-static char *ipsec_if_output_error_strings[] = {
-#define _(sym,string) string,
- foreach_ipsec_if_output_error
-#undef _
-};
-
-typedef enum
-{
-#define _(sym,str) IPSEC_IF_OUTPUT_ERROR_##sym,
- foreach_ipsec_if_output_error
-#undef _
- IPSEC_IF_OUTPUT_N_ERROR,
-} ipsec_if_output_error_t;
-
-
-typedef struct
-{
- u32 spi;
- u32 seq;
-} ipsec_if_output_trace_t;
-
-u8 *
-format_ipsec_if_output_trace (u8 * s, va_list * args)
-{
- CLIB_UNUSED (vlib_main_t * vm) = va_arg (*args, vlib_main_t *);
- CLIB_UNUSED (vlib_node_t * node) = va_arg (*args, vlib_node_t *);
- ipsec_if_output_trace_t *t = va_arg (*args, ipsec_if_output_trace_t *);
-
- s = format (s, "IPSec: spi %u seq %u", t->spi, t->seq);
- return s;
-}
-
-static uword
-ipsec_if_output_node_fn (vlib_main_t * vm, vlib_node_runtime_t * node,
- vlib_frame_t * from_frame)
-{
- ipsec_main_t *im = &ipsec_main;
- vnet_main_t *vnm = im->vnet_main;
- vnet_interface_main_t *vim = &vnm->interface_main;
- u32 *from, *to_next = 0, next_index;
- u32 n_left_from, sw_if_index0, last_sw_if_index = ~0;
- u32 thread_index = vlib_get_thread_index ();
- u32 n_bytes = 0, n_packets = 0;
-
- from = vlib_frame_vector_args (from_frame);
- n_left_from = from_frame->n_vectors;
- next_index = node->cached_next_index;
-
- while (n_left_from > 0)
- {
- u32 n_left_to_next;
-
- vlib_get_next_frame (vm, node, next_index, to_next, n_left_to_next);
-
- while (n_left_from > 0 && n_left_to_next > 0)
- {
- u32 bi0, next0, len0;
- vlib_buffer_t *b0;
- ipsec_tunnel_if_t *t0;
- vnet_hw_interface_t *hi0;
-
- bi0 = to_next[0] = from[0];
- from += 1;
- n_left_from -= 1;
- to_next += 1;
- n_left_to_next -= 1;
- b0 = vlib_get_buffer (vm, bi0);
- sw_if_index0 = vnet_buffer (b0)->sw_if_index[VLIB_TX];
- hi0 = vnet_get_sup_hw_interface (vnm, sw_if_index0);
- t0 = pool_elt_at_index (im->tunnel_interfaces, hi0->dev_instance);
- vnet_buffer (b0)->ipsec.sad_index = t0->output_sa_index;
- next0 = im->esp_encrypt_next_index;
-
- len0 = vlib_buffer_length_in_chain (vm, b0);
-
- if (PREDICT_TRUE (sw_if_index0 == last_sw_if_index))
- {
- n_packets++;
- n_bytes += len0;
- }
- else
- {
- vlib_increment_combined_counter (vim->combined_sw_if_counters +
- VNET_INTERFACE_COUNTER_TX,
- thread_index, sw_if_index0,
- n_packets, n_bytes);
- last_sw_if_index = sw_if_index0;
- n_packets = 1;
- n_bytes = len0;
- }
-
- if (PREDICT_FALSE (b0->flags & VLIB_BUFFER_IS_TRACED))
- {
- ipsec_if_output_trace_t *tr =
- vlib_add_trace (vm, node, b0, sizeof (*tr));
- ipsec_sa_t *sa0 =
- pool_elt_at_index (im->sad, t0->output_sa_index);
- tr->spi = sa0->spi;
- tr->seq = sa0->seq;
- }
-
- vlib_validate_buffer_enqueue_x1 (vm, node, next_index, to_next,
- n_left_to_next, bi0, next0);
- }
- vlib_put_next_frame (vm, node, next_index, n_left_to_next);
- }
-
- if (last_sw_if_index != ~0)
- {
- vlib_increment_combined_counter (vim->combined_sw_if_counters +
- VNET_INTERFACE_COUNTER_TX,
- thread_index,
- last_sw_if_index, n_packets, n_bytes);
- }
-
- vlib_node_increment_counter (vm, ipsec_if_output_node.index,
- IPSEC_IF_OUTPUT_ERROR_TX,
- from_frame->n_vectors);
-
- return from_frame->n_vectors;
-}
-
-/* *INDENT-OFF* */
-VLIB_REGISTER_NODE (ipsec_if_output_node) = {
- .function = ipsec_if_output_node_fn,
- .name = "ipsec-if-output",
- .vector_size = sizeof (u32),
- .format_trace = format_ipsec_if_output_trace,
- .type = VLIB_NODE_TYPE_INTERNAL,
-
- .n_errors = ARRAY_LEN(ipsec_if_output_error_strings),
- .error_strings = ipsec_if_output_error_strings,
-
- .sibling_of = "ipsec-output-ip4",
-};
-/* *INDENT-ON* */
-
-VLIB_NODE_FUNCTION_MULTIARCH (ipsec_if_output_node, ipsec_if_output_node_fn)
-/*
- * fd.io coding-style-patch-verification: ON
- *
- * Local Variables:
- * eval: (c-set-style "gnu")
- * End:
- */
vlib_frame_t *f = 0;
u32 spd_index0 = ~0;
ipsec_spd_t *spd0 = 0;
+ int bogus;
u64 nc_protect = 0, nc_bypass = 0, nc_discard = 0, nc_nomatch = 0;
from = vlib_frame_vector_args (from_frame);
ip6_header_t *ip6_0 = 0;
udp_header_t *udp0;
u32 iph_offset = 0;
+ tcp_header_t *tcp0;
bi0 = from[0];
b0 = vlib_get_buffer (vm, bi0);
clib_net_to_host_u16
(udp0->dst_port));
}
+ tcp0 = (void *) udp0;
if (PREDICT_TRUE (p0 != NULL))
{
else
next_node_index = im->ah_encrypt_node_index;
vnet_buffer (b0)->ipsec.sad_index = p0->sa_index;
- vlib_buffer_advance (b0, iph_offset);
p0->counter.packets++;
if (is_ipv6)
{
p0->counter.bytes +=
clib_net_to_host_u16 (ip6_0->payload_length);
p0->counter.bytes += sizeof (ip6_header_t);
+ if (PREDICT_FALSE
+ (b0->flags & VNET_BUFFER_F_OFFLOAD_TCP_CKSUM))
+ {
+ tcp0->checksum =
+ ip6_tcp_udp_icmp_compute_checksum (vm, b0, ip6_0,
+ &bogus);
+ b0->flags &= ~VNET_BUFFER_F_OFFLOAD_TCP_CKSUM;
+ }
+ if (PREDICT_FALSE
+ (b0->flags & VNET_BUFFER_F_OFFLOAD_UDP_CKSUM))
+ {
+ udp0->checksum =
+ ip6_tcp_udp_icmp_compute_checksum (vm, b0, ip6_0,
+ &bogus);
+ b0->flags &= ~VNET_BUFFER_F_OFFLOAD_UDP_CKSUM;
+ }
}
else
{
p0->counter.bytes += clib_net_to_host_u16 (ip0->length);
+ if (b0->flags & VNET_BUFFER_F_OFFLOAD_IP_CKSUM)
+ {
+ ip0->checksum = ip4_header_checksum (ip0);
+ b0->flags &= ~VNET_BUFFER_F_OFFLOAD_IP_CKSUM;
+ }
+ if (PREDICT_FALSE
+ (b0->flags & VNET_BUFFER_F_OFFLOAD_TCP_CKSUM))
+ {
+ tcp0->checksum =
+ ip4_tcp_udp_compute_checksum (vm, b0, ip0);
+ b0->flags &= ~VNET_BUFFER_F_OFFLOAD_TCP_CKSUM;
+ }
+ if (PREDICT_FALSE
+ (b0->flags & VNET_BUFFER_F_OFFLOAD_UDP_CKSUM))
+ {
+ udp0->checksum =
+ ip4_tcp_udp_compute_checksum (vm, b0, ip0);
+ b0->flags &= ~VNET_BUFFER_F_OFFLOAD_UDP_CKSUM;
+ }
}
+ vlib_buffer_advance (b0, iph_offset);
}
else if (p0->policy == IPSEC_POLICY_ACTION_BYPASS)
{
reverse_concatenated_path_down: "Reverse Concatenated Path Down",
}
- def __init__(self, value):
- NumericConstant.__init__(self, value)
-
class BFDState(NumericConstant):
""" BFD State """
up: "Up",
}
- def __init__(self, value):
- NumericConstant.__init__(self, value)
-
class BFDAuthType(NumericConstant):
""" BFD Authentication Type """
meticulous_keyed_sha1: "Meticulous Keyed SHA1",
}
- def __init__(self, value):
- NumericConstant.__init__(self, value)
-
def bfd_is_auth_used(pkt):
""" is packet authenticated? """
return self.sprintf("BFD(my_disc=%BFD.my_discriminator%,"
"your_disc=%BFD.your_discriminator%)")
+
# glue the BFD packet class to scapy parser
bind_layers(UDP, BFD, dport=BFD.udp_dport)
"BFD_VPP_ECHO(disc=%BFD_VPP_ECHO.discriminator%,"
"expire_time_clocks=%BFD_VPP_ECHO.expire_time_clocks%)")
+
# glue the BFD echo packet class to scapy parser
bind_layers(UDP, BFD_vpp_echo, dport=BFD_vpp_echo.udp_dport)
continue
if not issubclass(cls, unittest.TestCase):
continue
- if name == "VppTestCase":
+ if name == "VppTestCase" or name.startswith("Template"):
continue
for method in dir(cls):
if not callable(getattr(cls, method)):
from log import RED, GREEN, YELLOW, double_line_delim, single_line_delim, \
getLogger, colorize
from vpp_object import VppObjectRegistry
+from util import ppp
from scapy.layers.inet import IPerror, TCPerror, UDPerror, ICMPerror
from scapy.layers.inet6 import ICMPv6DestUnreach, ICMPv6EchoRequest
from scapy.layers.inet6 import ICMPv6EchoReply
def assert_packet_checksums_valid(self, packet,
ignore_zero_udp_checksums=True):
+ received = packet.__class__(str(packet))
+ self.logger.debug(
+ ppp("Verifying packet checksums for packet:", received))
udp_layers = ['UDP', 'UDPerror']
checksum_fields = ['cksum', 'chksum']
checksums = []
counter = 0
- temp = packet.__class__(str(packet))
+ temp = received.__class__(str(received))
while True:
layer = temp.getlayer(counter)
if layer:
else:
break
counter = counter + 1
+ if 0 == len(checksums):
+ return
temp = temp.__class__(str(temp))
for layer, cf in checksums:
- self.assert_equal(getattr(packet[layer], cf),
- getattr(temp[layer], cf),
- "packet checksum on layer #%d: %s" % (
- layer, temp[layer].name))
+ calc_sum = getattr(temp[layer], cf)
+ self.assert_equal(
+ getattr(received[layer], cf), calc_sum,
+ "packet checksum on layer #%d: %s" % (layer, temp[layer].name))
+ self.logger.debug(
+ "Checksum field `%s` on `%s` layer has correct value `%s`" %
+ (cf, temp[layer].name, calc_sum))
def assert_checksum_valid(self, received_packet, layer,
field_name='chksum',
--- /dev/null
+import unittest
+
+from scapy.layers.inet import IP, ICMP, TCP
+from scapy.layers.ipsec import SecurityAssociation
+from scapy.layers.l2 import Ether, Raw
+
+from framework import VppTestCase, VppTestRunner
+from util import ppp
+
+
+class TemplateIpsec(VppTestCase):
+ """
+ TRANSPORT MODE:
+
+ ------ encrypt ---
+ |tra_if| <-------> |VPP|
+ ------ decrypt ---
+
+ TUNNEL MODE:
+
+ ------ encrypt --- plain ---
+ |tun_if| <------- |VPP| <------ |pg1|
+ ------ --- ---
+
+ ------ decrypt --- plain ---
+ |tun_if| -------> |VPP| ------> |pg1|
+ ------ --- ---
+ """
+
+ remote_tun_if_host = '1.1.1.1'
+ payload = "XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX"
+
+ tun_spd_id = 1
+ scapy_tun_sa_id = 10
+ scapy_tun_spi = 1001
+ vpp_tun_sa_id = 20
+ vpp_tun_spi = 1000
+
+ tra_spd_id = 2
+ scapy_tra_sa_id = 30
+ scapy_tra_spi = 2001
+ vpp_tra_sa_id = 40
+ vpp_tra_spi = 2000
+
+ vpp_esp_protocol = 1
+ vpp_ah_protocol = 0
+
+ auth_algo_vpp_id = 2 # internal VPP enum value for SHA1_96
+ auth_algo = 'HMAC-SHA1-96' # scapy name
+ auth_key = 'C91KUR9GYMm5GfkEvNjX'
+
+ crypt_algo_vpp_id = 1 # internal VPP enum value for AES_CBC_128
+ crypt_algo = 'AES-CBC' # scapy name
+ crypt_key = 'JPjyOWBeVEQiMe7h'
+
+ @classmethod
+ def setUpClass(cls):
+ super(TemplateIpsec, cls).setUpClass()
+ cls.create_pg_interfaces(range(3))
+ cls.interfaces = list(cls.pg_interfaces)
+ for i in cls.interfaces:
+ i.admin_up()
+ i.config_ip4()
+ i.resolve_arp()
+
+ def tearDown(self):
+ super(TemplateIpsec, self).tearDown()
+ if not self.vpp_dead:
+ self.vapi.cli("show hardware")
+
+ def send_and_expect(self, input, pkts, output, count=1):
+ input.add_stream(pkts)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ rx = output.get_capture(count)
+ return rx
+
+ def gen_encrypt_pkts(self, sa, sw_intf, src, dst, count=1):
+ return [Ether(src=sw_intf.remote_mac, dst=sw_intf.local_mac) /
+ sa.encrypt(IP(src=src, dst=dst) / ICMP() / self.payload)
+ for i in range(count)]
+
+ def gen_pkts(self, sw_intf, src, dst, count=1):
+ return [Ether(src=sw_intf.remote_mac, dst=sw_intf.local_mac) /
+ IP(src=src, dst=dst) / ICMP() / self.payload
+ for i in range(count)]
+
+ def configure_sa_tun(self):
+ scapy_tun_sa = SecurityAssociation(self.encryption_type,
+ spi=self.vpp_tun_spi,
+ crypt_algo=self.crypt_algo,
+ crypt_key=self.crypt_key,
+ auth_algo=self.auth_algo,
+ auth_key=self.auth_key,
+ tunnel_header=IP(
+ src=self.tun_if.remote_ip4,
+ dst=self.tun_if.local_ip4))
+ vpp_tun_sa = SecurityAssociation(self.encryption_type,
+ spi=self.scapy_tun_spi,
+ crypt_algo=self.crypt_algo,
+ crypt_key=self.crypt_key,
+ auth_algo=self.auth_algo,
+ auth_key=self.auth_key,
+ tunnel_header=IP(
+ dst=self.tun_if.remote_ip4,
+ src=self.tun_if.local_ip4))
+ return vpp_tun_sa, scapy_tun_sa
+
+ def configure_sa_tra(self):
+ scapy_tra_sa = SecurityAssociation(self.encryption_type,
+ spi=self.vpp_tra_spi,
+ crypt_algo=self.crypt_algo,
+ crypt_key=self.crypt_key,
+ auth_algo=self.auth_algo,
+ auth_key=self.auth_key)
+ vpp_tra_sa = SecurityAssociation(self.encryption_type,
+ spi=self.scapy_tra_spi,
+ crypt_algo=self.crypt_algo,
+ crypt_key=self.crypt_key,
+ auth_algo=self.auth_algo,
+ auth_key=self.auth_key)
+ return vpp_tra_sa, scapy_tra_sa
+
+
+class IpsecTcpTests(object):
+ def test_tcp_checksum(self):
+ """ verify checksum correctness for vpp generated packets """
+ self.vapi.cli("test http server")
+ vpp_tun_sa, scapy_tun_sa = self.configure_sa_tun()
+ send = (Ether(src=self.tun_if.remote_mac, dst=self.tun_if.local_mac) /
+ scapy_tun_sa.encrypt(IP(src=self.remote_tun_if_host,
+ dst=self.tun_if.local_ip4) /
+ TCP(flags='S', dport=80)))
+ self.logger.debug(ppp("Sending packet:", send))
+ recv = self.send_and_expect(self.tun_if, [send], self.tun_if, 1)
+ recv = recv[0]
+ decrypted = vpp_tun_sa.decrypt(recv[IP])
+ self.assert_packet_checksums_valid(decrypted)
+
+
+class IpsecTraTests(object):
+ def test_tra_basic(self, count=1):
+ """ ipsec v4 transport basic test """
+ try:
+ vpp_tra_sa, scapy_tra_sa = self.configure_sa_tra()
+ send_pkts = self.gen_encrypt_pkts(scapy_tra_sa, self.tra_if,
+ src=self.tra_if.remote_ip4,
+ dst=self.tra_if.local_ip4,
+ count=count)
+ recv_pkts = self.send_and_expect(self.tra_if, send_pkts,
+ self.tra_if, count=count)
+ for p in recv_pkts:
+ decrypted = vpp_tra_sa.decrypt(p[IP])
+ self.assert_packet_checksums_valid(decrypted)
+ finally:
+ self.logger.info(self.vapi.ppcli("show error"))
+ self.logger.info(self.vapi.ppcli("show ipsec"))
+
+ def test_tra_burst(self):
+ """ ipsec v4 transport burst test """
+ try:
+ self.test_tra_basic(count=257)
+ finally:
+ self.logger.info(self.vapi.ppcli("show error"))
+ self.logger.info(self.vapi.ppcli("show ipsec"))
+
+
+class IpsecTunTests(object):
+ def test_tun_basic(self, count=1):
+ """ ipsec 4o4 tunnel basic test """
+ try:
+ vpp_tun_sa, scapy_tun_sa = self.configure_sa_tun()
+ send_pkts = self.gen_encrypt_pkts(scapy_tun_sa, self.tun_if,
+ src=self.remote_tun_if_host,
+ dst=self.pg1.remote_ip4,
+ count=count)
+ recv_pkts = self.send_and_expect(self.tun_if, send_pkts, self.pg1,
+ count=count)
+ for recv_pkt in recv_pkts:
+ self.assert_equal(recv_pkt[IP].src, self.remote_tun_if_host)
+ self.assert_equal(recv_pkt[IP].dst, self.pg1.remote_ip4)
+ self.assert_packet_checksums_valid(recv_pkt)
+ send_pkts = self.gen_pkts(self.pg1, src=self.pg1.remote_ip4,
+ dst=self.remote_tun_if_host, count=count)
+ recv_pkts = self.send_and_expect(self.pg1, send_pkts, self.tun_if,
+ count=count)
+ for recv_pkt in recv_pkts:
+ decrypt_pkt = vpp_tun_sa.decrypt(recv_pkt[IP])
+ if not decrypt_pkt.haslayer(IP):
+ decrypt_pkt = IP(decrypt_pkt[Raw].load)
+ self.assert_equal(decrypt_pkt.src, self.pg1.remote_ip4)
+ self.assert_equal(decrypt_pkt.dst, self.remote_tun_if_host)
+ self.assert_packet_checksums_valid(decrypt_pkt)
+ finally:
+ self.logger.info(self.vapi.ppcli("show error"))
+ self.logger.info(self.vapi.ppcli("show ipsec"))
+
+ def test_tun_burst(self):
+ """ ipsec 4o4 tunnel burst test """
+ try:
+ self.test_tun_basic(count=257)
+ finally:
+ self.logger.info(self.vapi.ppcli("show error"))
+ self.logger.info(self.vapi.ppcli("show ipsec"))
+
+
+if __name__ == '__main__':
+ unittest.main(testRunner=VppTestRunner)
import socket
import unittest
-from scapy.layers.inet import IP, ICMP
-from scapy.layers.l2 import Ether, Raw
-from scapy.layers.ipsec import SecurityAssociation, AH
+from scapy.layers.ipsec import AH
-from framework import VppTestCase, VppTestRunner
+from framework import VppTestRunner
+from template_ipsec import TemplateIpsec, IpsecTraTests, IpsecTunTests
+from template_ipsec import IpsecTcpTests
-class TestIpsecAh(VppTestCase):
+class TemplateIpsecAh(TemplateIpsec):
"""
Basic test for IPSEC using AH transport and Tunnel mode
Note : IPv6 is not covered
"""
- remote_pg0_lb_addr = '1.1.1.1'
- remote_pg1_lb_addr = '2.2.2.2'
- payload = "XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX"
+ encryption_type = AH
@classmethod
def setUpClass(cls):
- super(TestIpsecAh, cls).setUpClass()
- try:
- cls.create_pg_interfaces(range(3))
- cls.interfaces = list(cls.pg_interfaces)
- for i in cls.interfaces:
- i.admin_up()
- i.config_ip4()
- i.resolve_arp()
- cls.logger.info(cls.vapi.ppcli("show int addr"))
- cls.config_ah_tra()
- cls.logger.info(cls.vapi.ppcli("show ipsec"))
- cls.config_ah_tun()
- cls.logger.info(cls.vapi.ppcli("show ipsec"))
- except Exception:
- super(TestIpsecAh, cls).tearDownClass()
- raise
+ super(TemplateIpsecAh, cls).setUpClass()
+ cls.tun_if = cls.pg0
+ cls.tra_if = cls.pg2
+ cls.logger.info(cls.vapi.ppcli("show int addr"))
+ cls.config_ah_tra()
+ cls.logger.info(cls.vapi.ppcli("show ipsec"))
+ cls.config_ah_tun()
+ cls.logger.info(cls.vapi.ppcli("show ipsec"))
+ src4 = socket.inet_pton(socket.AF_INET, cls.remote_tun_if_host)
+ cls.vapi.ip_add_del_route(src4, 32, cls.tun_if.remote_ip4n)
@classmethod
def config_ah_tun(cls):
- spd_id = 1
- remote_sa_id = 10
- local_sa_id = 20
- remote_tun_spi = 1001
- local_tun_spi = 1000
- src4 = socket.inet_pton(socket.AF_INET, cls.remote_pg0_lb_addr)
- cls.vapi.ip_add_del_route(src4, 32, cls.pg0.remote_ip4n)
- dst4 = socket.inet_pton(socket.AF_INET, cls.remote_pg1_lb_addr)
- cls.vapi.ip_add_del_route(dst4, 32, cls.pg1.remote_ip4n)
- cls.vapi.ipsec_sad_add_del_entry(remote_sa_id, remote_tun_spi,
- cls.pg0.local_ip4n,
- cls.pg0.remote_ip4n,
- integrity_key_length=20)
- cls.vapi.ipsec_sad_add_del_entry(local_sa_id, local_tun_spi,
- cls.pg0.remote_ip4n,
- cls.pg0.local_ip4n,
- integrity_key_length=20)
- cls.vapi.ipsec_spd_add_del(spd_id)
- cls.vapi.ipsec_interface_add_del_spd(spd_id, cls.pg0.sw_if_index)
+ cls.vapi.ipsec_sad_add_del_entry(cls.scapy_tun_sa_id,
+ cls.scapy_tun_spi,
+ cls.auth_algo_vpp_id, cls.auth_key,
+ cls.crypt_algo_vpp_id,
+ cls.crypt_key, cls.vpp_ah_protocol,
+ cls.tun_if.local_ip4n,
+ cls.tun_if.remote_ip4n)
+ cls.vapi.ipsec_sad_add_del_entry(cls.vpp_tun_sa_id,
+ cls.vpp_tun_spi,
+ cls.auth_algo_vpp_id, cls.auth_key,
+ cls.crypt_algo_vpp_id,
+ cls.crypt_key, cls.vpp_ah_protocol,
+ cls.tun_if.remote_ip4n,
+ cls.tun_if.local_ip4n)
+ cls.vapi.ipsec_spd_add_del(cls.tun_spd_id)
+ cls.vapi.ipsec_interface_add_del_spd(cls.tun_spd_id,
+ cls.tun_if.sw_if_index)
l_startaddr = r_startaddr = socket.inet_pton(socket.AF_INET, "0.0.0.0")
l_stopaddr = r_stopaddr = socket.inet_pton(socket.AF_INET,
"255.255.255.255")
- cls.vapi.ipsec_spd_add_del_entry(spd_id, l_startaddr, l_stopaddr,
- r_startaddr, r_stopaddr,
+ cls.vapi.ipsec_spd_add_del_entry(cls.tun_spd_id, cls.vpp_tun_sa_id,
+ l_startaddr, l_stopaddr, r_startaddr,
+ r_stopaddr,
+ protocol=socket.IPPROTO_AH)
+ cls.vapi.ipsec_spd_add_del_entry(cls.tun_spd_id, cls.vpp_tun_sa_id,
+ l_startaddr, l_stopaddr, r_startaddr,
+ r_stopaddr, is_outbound=0,
protocol=socket.IPPROTO_AH)
- cls.vapi.ipsec_spd_add_del_entry(spd_id, l_startaddr, l_stopaddr,
- r_startaddr, r_stopaddr,
- protocol=socket.IPPROTO_AH,
- is_outbound=0)
l_startaddr = l_stopaddr = socket.inet_pton(socket.AF_INET,
- cls.remote_pg0_lb_addr)
- r_startaddr = r_stopaddr = socket.inet_pton(socket.AF_INET,
- cls.remote_pg1_lb_addr)
- cls.vapi.ipsec_spd_add_del_entry(spd_id, l_startaddr, l_stopaddr,
- r_startaddr, r_stopaddr,
- priority=10, policy=3,
- is_outbound=0, sa_id=local_sa_id)
- cls.vapi.ipsec_spd_add_del_entry(spd_id, r_startaddr, r_stopaddr,
- l_startaddr, l_stopaddr, priority=10,
- policy=3, sa_id=remote_sa_id)
+ cls.remote_tun_if_host)
+ r_startaddr = r_stopaddr = cls.pg1.remote_ip4n
+ cls.vapi.ipsec_spd_add_del_entry(cls.tun_spd_id, cls.vpp_tun_sa_id,
+ l_startaddr, l_stopaddr, r_startaddr,
+ r_stopaddr, priority=10, policy=3,
+ is_outbound=0)
+ cls.vapi.ipsec_spd_add_del_entry(cls.tun_spd_id, cls.scapy_tun_sa_id,
+ r_startaddr, r_stopaddr, l_startaddr,
+ l_stopaddr, priority=10, policy=3)
+ r_startaddr = r_stopaddr = cls.pg0.local_ip4n
+ cls.vapi.ipsec_spd_add_del_entry(cls.tun_spd_id, cls.vpp_tun_sa_id,
+ l_startaddr, l_stopaddr, r_startaddr,
+ r_stopaddr, priority=20, policy=3,
+ is_outbound=0)
+ cls.vapi.ipsec_spd_add_del_entry(cls.tun_spd_id, cls.scapy_tun_sa_id,
+ r_startaddr, r_stopaddr, l_startaddr,
+ l_stopaddr, priority=20, policy=3)
@classmethod
def config_ah_tra(cls):
- spd_id = 2
- remote_sa_id = 30
- local_sa_id = 40
- remote_tra_spi = 2001
- local_tra_spi = 2000
- cls.vapi.ipsec_sad_add_del_entry(remote_sa_id, remote_tra_spi,
- integrity_key_length=20, is_tunnel=0)
- cls.vapi.ipsec_sad_add_del_entry(local_sa_id, local_tra_spi,
- integrity_key_length=20, is_tunnel=0)
- cls.vapi.ipsec_spd_add_del(spd_id)
- cls.vapi.ipsec_interface_add_del_spd(spd_id, cls.pg2.sw_if_index)
+ cls.vapi.ipsec_sad_add_del_entry(cls.scapy_tra_sa_id,
+ cls.scapy_tra_spi,
+ cls.auth_algo_vpp_id, cls.auth_key,
+ cls.crypt_algo_vpp_id,
+ cls.crypt_key, cls.vpp_ah_protocol,
+ is_tunnel=0)
+ cls.vapi.ipsec_sad_add_del_entry(cls.vpp_tra_sa_id,
+ cls.vpp_tra_spi,
+ cls.auth_algo_vpp_id, cls.auth_key,
+ cls.crypt_algo_vpp_id,
+ cls.crypt_key, cls.vpp_ah_protocol,
+ is_tunnel=0)
+ cls.vapi.ipsec_spd_add_del(cls.tra_spd_id)
+ cls.vapi.ipsec_interface_add_del_spd(cls.tra_spd_id,
+ cls.tra_if.sw_if_index)
l_startaddr = r_startaddr = socket.inet_pton(socket.AF_INET, "0.0.0.0")
l_stopaddr = r_stopaddr = socket.inet_pton(socket.AF_INET,
"255.255.255.255")
- cls.vapi.ipsec_spd_add_del_entry(spd_id, l_startaddr, l_stopaddr,
- r_startaddr, r_stopaddr,
+ cls.vapi.ipsec_spd_add_del_entry(cls.tra_spd_id, cls.vpp_tra_sa_id,
+ l_startaddr, l_stopaddr, r_startaddr,
+ r_stopaddr,
protocol=socket.IPPROTO_AH)
- cls.vapi.ipsec_spd_add_del_entry(spd_id, l_startaddr, l_stopaddr,
- r_startaddr, r_stopaddr,
- protocol=socket.IPPROTO_AH,
+ cls.vapi.ipsec_spd_add_del_entry(cls.tra_spd_id, cls.scapy_tra_sa_id,
+ l_startaddr, l_stopaddr, r_startaddr,
+ r_stopaddr, is_outbound=0,
+ protocol=socket.IPPROTO_AH)
+ l_startaddr = l_stopaddr = cls.tra_if.local_ip4n
+ r_startaddr = r_stopaddr = cls.tra_if.remote_ip4n
+ cls.vapi.ipsec_spd_add_del_entry(cls.tra_spd_id, cls.vpp_tra_sa_id,
+ l_startaddr, l_stopaddr, r_startaddr,
+ r_stopaddr, priority=10, policy=3,
is_outbound=0)
- l_startaddr = l_stopaddr = cls.pg2.local_ip4n
- r_startaddr = r_stopaddr = cls.pg2.remote_ip4n
- cls.vapi.ipsec_spd_add_del_entry(spd_id, l_startaddr, l_stopaddr,
- r_startaddr, r_stopaddr,
- priority=10, policy=3,
- is_outbound=0, sa_id=local_sa_id)
- cls.vapi.ipsec_spd_add_del_entry(spd_id, l_startaddr, l_stopaddr,
- r_startaddr, r_stopaddr, priority=10,
- policy=3, sa_id=remote_sa_id)
-
- def configure_scapy_sa_tun(self):
- remote_tun_sa = SecurityAssociation(AH, spi=0x000003e8,
- auth_algo='HMAC-SHA1-96',
- auth_key='C91KUR9GYMm5GfkEvNjX',
- tunnel_header=IP(
- src=self.pg0.remote_ip4,
- dst=self.pg0.local_ip4))
- local_tun_sa = SecurityAssociation(AH, spi=0x000003e9,
- auth_algo='HMAC-SHA1-96',
- auth_key='C91KUR9GYMm5GfkEvNjX',
- tunnel_header=IP(
- dst=self.pg0.remote_ip4,
- src=self.pg0.local_ip4))
- return local_tun_sa, remote_tun_sa
-
- def configure_scapy_sa_tra(self):
- remote_tra_sa = SecurityAssociation(AH, spi=0x000007d0,
- auth_algo='HMAC-SHA1-96',
- auth_key='C91KUR9GYMm5GfkEvNjX')
- local_tra_sa = SecurityAssociation(AH, spi=0x000007d1,
- auth_algo='HMAC-SHA1-96',
- auth_key='C91KUR9GYMm5GfkEvNjX')
- return local_tra_sa, remote_tra_sa
+ cls.vapi.ipsec_spd_add_del_entry(cls.tra_spd_id, cls.scapy_tra_sa_id,
+ l_startaddr, l_stopaddr, r_startaddr,
+ r_stopaddr, priority=10,
+ policy=3)
def tearDown(self):
- super(TestIpsecAh, self).tearDown()
+ super(TemplateIpsecAh, self).tearDown()
if not self.vpp_dead:
self.vapi.cli("show hardware")
- def send_and_expect(self, input, pkts, output, count=1):
- input.add_stream(pkts)
- self.pg_enable_capture(self.pg_interfaces)
- self.pg_start()
- rx = output.get_capture(count)
- return rx
-
- def gen_encrypt_pkts(self, sa, sw_intf, src, dst, count=1):
- return [Ether(src=sw_intf.remote_mac, dst=sw_intf.local_mac) /
- sa.encrypt(IP(src=src, dst=dst) / ICMP() / self.payload)
- ] * count
-
- def gen_pkts(self, sw_intf, src, dst, count=1):
- return [Ether(src=sw_intf.remote_mac, dst=sw_intf.local_mac) /
- IP(src=src, dst=dst) / ICMP() / self.payload
- ] * count
-
- def test_ipsec_ah_tra_basic(self, count=1):
- """ ipsec ah v4 transport basic test """
- try:
- local_tra_sa, remote_tra_sa = self.configure_scapy_sa_tra()
- send_pkts = self.gen_encrypt_pkts(remote_tra_sa, self.pg2,
- src=self.pg2.remote_ip4,
- dst=self.pg2.local_ip4,
- count=count)
- recv_pkts = self.send_and_expect(self.pg2, send_pkts, self.pg2,
- count=count)
- # ESP TRA VPP encryption/decryption verification
- for Pkts in recv_pkts:
- Pkts[AH].padding = Pkts[AH].icv[12:]
- Pkts[AH].icv = Pkts[AH].icv[:12]
- local_tra_sa.decrypt(Pkts[IP])
- finally:
- self.logger.info(self.vapi.ppcli("show error"))
- self.logger.info(self.vapi.ppcli("show ipsec"))
-
- def test_ipsec_ah_tra_burst(self):
- """ ipsec ah v4 transport burst test """
- try:
- self.test_ipsec_ah_tra_basic(count=257)
- finally:
- self.logger.info(self.vapi.ppcli("show error"))
- self.logger.info(self.vapi.ppcli("show ipsec"))
-
- def test_ipsec_ah_tun_basic(self, count=1):
- """ ipsec ah 4o4 tunnel basic test """
- try:
- local_tun_sa, remote_tun_sa = self.configure_scapy_sa_tun()
- send_pkts = self.gen_encrypt_pkts(remote_tun_sa, self.pg0,
- src=self.remote_pg0_lb_addr,
- dst=self.remote_pg1_lb_addr,
- count=count)
- recv_pkts = self.send_and_expect(self.pg0, send_pkts, self.pg1,
- count=count)
- # ESP TUN VPP decryption verification
- for recv_pkt in recv_pkts:
- self.assert_equal(recv_pkt[IP].src, self.remote_pg0_lb_addr)
- self.assert_equal(recv_pkt[IP].dst, self.remote_pg1_lb_addr)
- send_pkts = self.gen_pkts(self.pg1, src=self.remote_pg1_lb_addr,
- dst=self.remote_pg0_lb_addr,
- count=count)
- recv_pkts = self.send_and_expect(self.pg1, send_pkts, self.pg0,
- count=count)
- # ESP TUN VPP encryption verification
- for recv_pkt in recv_pkts:
- decrypt_pkt = local_tun_sa.decrypt(recv_pkt[IP])
- decrypt_pkt = IP(decrypt_pkt[Raw].load)
- self.assert_equal(decrypt_pkt.src, self.remote_pg1_lb_addr)
- self.assert_equal(decrypt_pkt.dst, self.remote_pg0_lb_addr)
- finally:
- self.logger.info(self.vapi.ppcli("show error"))
- self.logger.info(self.vapi.ppcli("show ipsec"))
-
- def test_ipsec_ah_tun_burst(self):
- """ ipsec ah 4o4 tunnel burst test """
- try:
- self.test_ipsec_ah_tun_basic(count=257)
- finally:
- self.logger.info(self.vapi.ppcli("show error"))
- self.logger.info(self.vapi.ppcli("show ipsec"))
+
+class TestIpsecAh1(TemplateIpsecAh, IpsecTraTests, IpsecTunTests):
+ """ Ipsec AH - TUN & TRA tests """
+ pass
+
+
+class TestIpsecAh2(TemplateIpsecAh, IpsecTcpTests):
+ """ Ipsec AH - TCP tests """
+ pass
if __name__ == '__main__':
import socket
import unittest
+from scapy.layers.ipsec import ESP
-from scapy.layers.inet import IP, ICMP
-from scapy.layers.l2 import Ether
-from scapy.layers.ipsec import SecurityAssociation, ESP
+from framework import VppTestRunner
+from template_ipsec import IpsecTraTests, IpsecTunTests
+from template_ipsec import TemplateIpsec, IpsecTcpTests
-from framework import VppTestCase, VppTestRunner
-
-class TestIpsecEsp(VppTestCase):
+class TemplateIpsecEsp(TemplateIpsec):
"""
Basic test for ipsec esp sanity - tunnel and transport modes.
Note : IPv6 is not covered
"""
- remote_pg0_lb_addr = '1.1.1.1'
- remote_pg1_lb_addr = '2.2.2.2'
+ encryption_type = ESP
@classmethod
def setUpClass(cls):
- super(TestIpsecEsp, cls).setUpClass()
- try:
- cls.create_pg_interfaces(range(3))
- cls.interfaces = list(cls.pg_interfaces)
- for i in cls.interfaces:
- i.admin_up()
- i.config_ip4()
- i.resolve_arp()
- cls.logger.info(cls.vapi.ppcli("show int addr"))
- cls.configEspTra()
- cls.logger.info(cls.vapi.ppcli("show ipsec"))
- cls.configEspTun()
- cls.logger.info(cls.vapi.ppcli("show ipsec"))
- except Exception:
- super(TestIpsecEsp, cls).tearDownClass()
- raise
+ super(TemplateIpsecEsp, cls).setUpClass()
+ cls.tun_if = cls.pg0
+ cls.tra_if = cls.pg2
+ cls.logger.info(cls.vapi.ppcli("show int addr"))
+ cls.config_esp_tra()
+ cls.logger.info(cls.vapi.ppcli("show ipsec"))
+ cls.config_esp_tun()
+ cls.logger.info(cls.vapi.ppcli("show ipsec"))
+ src4 = socket.inet_pton(socket.AF_INET, cls.remote_tun_if_host)
+ cls.vapi.ip_add_del_route(src4, 32, cls.tun_if.remote_ip4n)
@classmethod
- def configEspTun(cls):
- try:
- spd_id = 1
- remote_sa_id = 10
- local_sa_id = 20
- remote_tun_spi = 1001
- local_tun_spi = 1000
- src4 = socket.inet_pton(socket.AF_INET, cls.remote_pg0_lb_addr)
- cls.vapi.ip_add_del_route(src4, 32, cls.pg0.remote_ip4n)
- dst4 = socket.inet_pton(socket.AF_INET, cls.remote_pg1_lb_addr)
- cls.vapi.ip_add_del_route(dst4, 32, cls.pg1.remote_ip4n)
- cls.vapi.ipsec_sad_add_del_entry(
- remote_sa_id,
- remote_tun_spi,
- cls.pg0.local_ip4n,
- cls.pg0.remote_ip4n,
- integrity_key_length=20,
- crypto_key_length=16,
- protocol=1)
- cls.vapi.ipsec_sad_add_del_entry(
- local_sa_id,
- local_tun_spi,
- cls.pg0.remote_ip4n,
- cls.pg0.local_ip4n,
- integrity_key_length=20,
- crypto_key_length=16,
- protocol=1)
- cls.vapi.ipsec_spd_add_del(spd_id)
- cls.vapi.ipsec_interface_add_del_spd(spd_id, cls.pg0.sw_if_index)
- l_startaddr = r_startaddr = socket.inet_pton(
- socket.AF_INET, "0.0.0.0")
- l_stopaddr = r_stopaddr = socket.inet_pton(
- socket.AF_INET, "255.255.255.255")
- cls.vapi.ipsec_spd_add_del_entry(
- spd_id,
- l_startaddr,
- l_stopaddr,
- r_startaddr,
- r_stopaddr,
- protocol=socket.IPPROTO_ESP)
- cls.vapi.ipsec_spd_add_del_entry(
- spd_id,
- l_startaddr,
- l_stopaddr,
- r_startaddr,
- r_stopaddr,
- protocol=socket.IPPROTO_ESP,
- is_outbound=0)
- l_startaddr = l_stopaddr = socket.inet_pton(
- socket.AF_INET, cls.remote_pg0_lb_addr)
- r_startaddr = r_stopaddr = socket.inet_pton(
- socket.AF_INET, cls.remote_pg1_lb_addr)
- cls.vapi.ipsec_spd_add_del_entry(
- spd_id,
- l_startaddr,
- l_stopaddr,
- r_startaddr,
- r_stopaddr,
- priority=10,
- policy=3,
- is_outbound=0,
- sa_id=local_sa_id)
- cls.vapi.ipsec_spd_add_del_entry(
- spd_id,
- r_startaddr,
- r_stopaddr,
- l_startaddr,
- l_stopaddr,
- priority=10,
- policy=3,
- sa_id=remote_sa_id)
- except Exception:
- raise
+ def config_esp_tun(cls):
+ cls.vapi.ipsec_sad_add_del_entry(cls.scapy_tun_sa_id,
+ cls.scapy_tun_spi,
+ cls.auth_algo_vpp_id, cls.auth_key,
+ cls.crypt_algo_vpp_id,
+ cls.crypt_key, cls.vpp_esp_protocol,
+ cls.tun_if.local_ip4n,
+ cls.tun_if.remote_ip4n)
+ cls.vapi.ipsec_sad_add_del_entry(cls.vpp_tun_sa_id,
+ cls.vpp_tun_spi,
+ cls.auth_algo_vpp_id, cls.auth_key,
+ cls.crypt_algo_vpp_id,
+ cls.crypt_key, cls.vpp_esp_protocol,
+ cls.tun_if.remote_ip4n,
+ cls.tun_if.local_ip4n)
+ cls.vapi.ipsec_spd_add_del(cls.tun_spd_id)
+ cls.vapi.ipsec_interface_add_del_spd(cls.tun_spd_id,
+ cls.tun_if.sw_if_index)
+ l_startaddr = r_startaddr = socket.inet_pton(socket.AF_INET,
+ "0.0.0.0")
+ l_stopaddr = r_stopaddr = socket.inet_pton(socket.AF_INET,
+ "255.255.255.255")
+ cls.vapi.ipsec_spd_add_del_entry(cls.tun_spd_id, cls.scapy_tun_sa_id,
+ l_startaddr, l_stopaddr, r_startaddr,
+ r_stopaddr,
+ protocol=socket.IPPROTO_ESP)
+ cls.vapi.ipsec_spd_add_del_entry(cls.tun_spd_id, cls.scapy_tun_sa_id,
+ l_startaddr, l_stopaddr, r_startaddr,
+ r_stopaddr, is_outbound=0,
+ protocol=socket.IPPROTO_ESP)
+ l_startaddr = l_stopaddr = socket.inet_pton(socket.AF_INET,
+ cls.remote_tun_if_host)
+ r_startaddr = r_stopaddr = cls.pg1.remote_ip4n
+ cls.vapi.ipsec_spd_add_del_entry(cls.tun_spd_id, cls.vpp_tun_sa_id,
+ l_startaddr, l_stopaddr, r_startaddr,
+ r_stopaddr, priority=10, policy=3,
+ is_outbound=0)
+ cls.vapi.ipsec_spd_add_del_entry(cls.tun_spd_id, cls.scapy_tun_sa_id,
+ r_startaddr, r_stopaddr, l_startaddr,
+ l_stopaddr, priority=10, policy=3)
+ l_startaddr = l_stopaddr = socket.inet_pton(socket.AF_INET,
+ cls.remote_tun_if_host)
+ r_startaddr = r_stopaddr = cls.pg0.local_ip4n
+ cls.vapi.ipsec_spd_add_del_entry(cls.tun_spd_id, cls.vpp_tun_sa_id,
+ l_startaddr, l_stopaddr, r_startaddr,
+ r_stopaddr, priority=20, policy=3,
+ is_outbound=0)
+ cls.vapi.ipsec_spd_add_del_entry(cls.tun_spd_id, cls.scapy_tun_sa_id,
+ r_startaddr, r_stopaddr, l_startaddr,
+ l_stopaddr, priority=20, policy=3)
@classmethod
- def configEspTra(cls):
- try:
- spd_id = 2
- remote_sa_id = 30
- local_sa_id = 40
- remote_tra_spi = 2001
- local_tra_spi = 2000
- cls.vapi.ipsec_sad_add_del_entry(
- remote_sa_id,
- remote_tra_spi,
- integrity_key_length=20,
- crypto_key_length=16,
- protocol=1,
- is_tunnel=0)
- cls.vapi.ipsec_sad_add_del_entry(
- local_sa_id,
- local_tra_spi,
- integrity_key_length=20,
- crypto_key_length=16,
- protocol=1,
- is_tunnel=0)
- cls.vapi.ipsec_spd_add_del(spd_id)
- cls.vapi.ipsec_interface_add_del_spd(spd_id, cls.pg2.sw_if_index)
- l_startaddr = r_startaddr = socket.inet_pton(
- socket.AF_INET, "0.0.0.0")
- l_stopaddr = r_stopaddr = socket.inet_pton(
- socket.AF_INET, "255.255.255.255")
- cls.vapi.ipsec_spd_add_del_entry(
- spd_id,
- l_startaddr,
- l_stopaddr,
- r_startaddr,
- r_stopaddr,
- protocol=socket.IPPROTO_ESP)
- cls.vapi.ipsec_spd_add_del_entry(
- spd_id,
- l_startaddr,
- l_stopaddr,
- r_startaddr,
- r_stopaddr,
- protocol=socket.IPPROTO_ESP,
- is_outbound=0)
- l_startaddr = l_stopaddr = cls.pg2.local_ip4n
- r_startaddr = r_stopaddr = cls.pg2.remote_ip4n
- cls.vapi.ipsec_spd_add_del_entry(
- spd_id,
- l_startaddr,
- l_stopaddr,
- r_startaddr,
- r_stopaddr,
- priority=10,
- policy=3,
- is_outbound=0,
- sa_id=local_sa_id)
- cls.vapi.ipsec_spd_add_del_entry(
- spd_id,
- l_startaddr,
- l_stopaddr,
- r_startaddr,
- r_stopaddr,
- priority=10,
- policy=3,
- sa_id=remote_sa_id)
- except Exception:
- raise
-
- def configScapySA(self, is_tun=False):
- if is_tun:
- self.remote_tun_sa = SecurityAssociation(
- ESP,
- spi=0x000003e8,
- crypt_algo='AES-CBC',
- crypt_key='JPjyOWBeVEQiMe7h',
- auth_algo='HMAC-SHA1-96',
- auth_key='C91KUR9GYMm5GfkEvNjX',
- tunnel_header=IP(
- src=self.pg0.remote_ip4,
- dst=self.pg0.local_ip4))
- self.local_tun_sa = SecurityAssociation(
- ESP,
- spi=0x000003e9,
- crypt_algo='AES-CBC',
- crypt_key='JPjyOWBeVEQiMe7h',
- auth_algo='HMAC-SHA1-96',
- auth_key='C91KUR9GYMm5GfkEvNjX',
- tunnel_header=IP(
- dst=self.pg0.remote_ip4,
- src=self.pg0.local_ip4))
- else:
- self.remote_tra_sa = SecurityAssociation(
- ESP,
- spi=0x000007d0,
- crypt_algo='AES-CBC',
- crypt_key='JPjyOWBeVEQiMe7h',
- auth_algo='HMAC-SHA1-96',
- auth_key='C91KUR9GYMm5GfkEvNjX')
- self.local_tra_sa = SecurityAssociation(
- ESP,
- spi=0x000007d1,
- crypt_algo='AES-CBC',
- crypt_key='JPjyOWBeVEQiMe7h',
- auth_algo='HMAC-SHA1-96',
- auth_key='C91KUR9GYMm5GfkEvNjX')
-
- def tearDown(self):
- super(TestIpsecEsp, self).tearDown()
- if not self.vpp_dead:
- self.vapi.cli("show hardware")
-
- def send_and_expect(self, input, pkts, output, count=1):
- input.add_stream(pkts)
- self.pg_enable_capture(self.pg_interfaces)
- self.pg_start()
- rx = output.get_capture(count)
- return rx
-
- def gen_encrypt_pkts(self, sa, sw_intf, src, dst, count=1):
- return [Ether(src=sw_intf.remote_mac, dst=sw_intf.local_mac) /
- sa.encrypt(IP(src=src, dst=dst) / ICMP() /
- "XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX")
- ] * count
-
- def gen_pkts(self, sw_intf, src, dst, count=1):
- return [Ether(src=sw_intf.remote_mac, dst=sw_intf.local_mac) /
- IP(src=src, dst=dst) / ICMP() /
- "XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX"
- ] * count
-
- def test_ipsec_esp_tra_basic(self, count=1):
- """ ipsec esp v4 transport basic test """
- try:
- self.configScapySA()
- send_pkts = self.gen_encrypt_pkts(
- self.remote_tra_sa,
- self.pg2,
- src=self.pg2.remote_ip4,
- dst=self.pg2.local_ip4,
- count=count)
- recv_pkts = self.send_and_expect(
- self.pg2, send_pkts, self.pg2, count=count)
- # ESP TRA VPP encryption/decryption verification
- for Pkts in recv_pkts:
- self.local_tra_sa.decrypt(Pkts[IP])
- finally:
- self.logger.info(self.vapi.ppcli("show error"))
- self.logger.info(self.vapi.ppcli("show ipsec"))
-
- def test_ipsec_esp_tra_burst(self):
- """ ipsec esp v4 transport burst test """
- try:
- self.test_ipsec_esp_tra_basic(count=257)
- finally:
- self.logger.info(self.vapi.ppcli("show error"))
- self.logger.info(self.vapi.ppcli("show ipsec"))
-
- def test_ipsec_esp_tun_basic(self, count=1):
- """ ipsec esp 4o4 tunnel basic test """
- try:
- self.configScapySA(is_tun=True)
- send_pkts = self.gen_encrypt_pkts(
- self.remote_tun_sa,
- self.pg0,
- src=self.remote_pg0_lb_addr,
- dst=self.remote_pg1_lb_addr,
- count=count)
- recv_pkts = self.send_and_expect(
- self.pg0, send_pkts, self.pg1, count=count)
- # ESP TUN VPP decryption verification
- for recv_pkt in recv_pkts:
- self.assert_equal(recv_pkt[IP].src, self.remote_pg0_lb_addr)
- self.assert_equal(recv_pkt[IP].dst, self.remote_pg1_lb_addr)
- send_pkts = self.gen_pkts(
- self.pg1,
- src=self.remote_pg1_lb_addr,
- dst=self.remote_pg0_lb_addr,
- count=count)
- recv_pkts = self.send_and_expect(
- self.pg1, send_pkts, self.pg0, count=count)
- # ESP TUN VPP encryption verification
- for recv_pkt in recv_pkts:
- decrypt_pkt = self.local_tun_sa.decrypt(recv_pkt[IP])
- self.assert_equal(decrypt_pkt.src, self.remote_pg1_lb_addr)
- self.assert_equal(decrypt_pkt.dst, self.remote_pg0_lb_addr)
- finally:
- self.logger.info(self.vapi.ppcli("show error"))
- self.logger.info(self.vapi.ppcli("show ipsec"))
-
- def test_ipsec_esp_tun_burst(self):
- """ ipsec esp 4o4 tunnel burst test """
- try:
- self.test_ipsec_esp_tun_basic(count=257)
- finally:
- self.logger.info(self.vapi.ppcli("show error"))
- self.logger.info(self.vapi.ppcli("show ipsec"))
+ def config_esp_tra(cls):
+ cls.vapi.ipsec_sad_add_del_entry(cls.scapy_tra_sa_id,
+ cls.scapy_tra_spi,
+ cls.auth_algo_vpp_id, cls.auth_key,
+ cls.crypt_algo_vpp_id,
+ cls.crypt_key, cls.vpp_esp_protocol,
+ is_tunnel=0)
+ cls.vapi.ipsec_sad_add_del_entry(cls.vpp_tra_sa_id,
+ cls.vpp_tra_spi,
+ cls.auth_algo_vpp_id, cls.auth_key,
+ cls.crypt_algo_vpp_id,
+ cls.crypt_key, cls.vpp_esp_protocol,
+ is_tunnel=0)
+ cls.vapi.ipsec_spd_add_del(cls.tra_spd_id)
+ cls.vapi.ipsec_interface_add_del_spd(cls.tra_spd_id,
+ cls.tra_if.sw_if_index)
+ l_startaddr = r_startaddr = socket.inet_pton(socket.AF_INET,
+ "0.0.0.0")
+ l_stopaddr = r_stopaddr = socket.inet_pton(socket.AF_INET,
+ "255.255.255.255")
+ cls.vapi.ipsec_spd_add_del_entry(cls.tra_spd_id, cls.vpp_tra_sa_id,
+ l_startaddr, l_stopaddr, r_startaddr,
+ r_stopaddr,
+ protocol=socket.IPPROTO_ESP)
+ cls.vapi.ipsec_spd_add_del_entry(cls.tra_spd_id, cls.vpp_tra_sa_id,
+ l_startaddr, l_stopaddr, r_startaddr,
+ r_stopaddr, is_outbound=0,
+ protocol=socket.IPPROTO_ESP)
+ l_startaddr = l_stopaddr = cls.tra_if.local_ip4n
+ r_startaddr = r_stopaddr = cls.tra_if.remote_ip4n
+ cls.vapi.ipsec_spd_add_del_entry(cls.tra_spd_id, cls.vpp_tra_sa_id,
+ l_startaddr, l_stopaddr, r_startaddr,
+ r_stopaddr, priority=10, policy=3,
+ is_outbound=0)
+ cls.vapi.ipsec_spd_add_del_entry(cls.tra_spd_id, cls.scapy_tra_sa_id,
+ l_startaddr, l_stopaddr, r_startaddr,
+ r_stopaddr, priority=10, policy=3)
+
+
+class TestIpsecEsp1(TemplateIpsecEsp, IpsecTraTests, IpsecTunTests):
+ """ Ipsec ESP - TUN & TRA tests """
+ pass
+
+
+class TestIpsecEsp2(TemplateIpsecEsp, IpsecTcpTests):
+ """ Ipsec ESP - TCP tests """
+ pass
if __name__ == '__main__':
spd_id = 1
remote_sa_id = 10
local_sa_id = 20
- remote_tun_spi = 1001
- local_tun_spi = 1000
+ scapy_tun_spi = 1001
+ vpp_tun_spi = 1000
client = socket.inet_pton(socket.AF_INET, cls.remote_pg0_client_addr)
cls.vapi.ip_add_del_route(client, 32, cls.pg0.remote_ip4n)
- cls.vapi.ipsec_sad_add_del_entry(remote_sa_id, remote_tun_spi,
+ cls.vapi.ipsec_sad_add_del_entry(remote_sa_id, scapy_tun_spi,
cls.pg1.remote_ip4n,
cls.pg0.remote_ip4n,
integrity_key_length=20,
crypto_key_length=16,
protocol=1, udp_encap=1)
- cls.vapi.ipsec_sad_add_del_entry(local_sa_id, local_tun_spi,
+ cls.vapi.ipsec_sad_add_del_entry(local_sa_id, vpp_tun_spi,
cls.pg0.remote_ip4n,
cls.pg1.remote_ip4n,
integrity_key_length=20,
--- /dev/null
+import unittest
+import socket
+from scapy.layers.ipsec import ESP
+from framework import VppTestRunner
+from template_ipsec import TemplateIpsec, IpsecTunTests, IpsecTcpTests
+from vpp_ipsec_tun_interface import VppIpsecTunInterface
+
+
+class TemplateIpsecTunIfEsp(TemplateIpsec):
+ """ IPsec tunnel interface tests """
+
+ encryption_type = ESP
+
+ @classmethod
+ def setUpClass(cls):
+ super(TemplateIpsecTunIfEsp, cls).setUpClass()
+ cls.tun_if = cls.pg0
+
+ def setUp(self):
+ self.ipsec_tun_if = VppIpsecTunInterface(self, self.pg0,
+ self.vpp_tun_spi,
+ self.scapy_tun_spi,
+ self.crypt_algo_vpp_id,
+ self.crypt_key,
+ self.crypt_key,
+ self.auth_algo_vpp_id,
+ self.auth_key,
+ self.auth_key)
+ self.ipsec_tun_if.add_vpp_config()
+ self.ipsec_tun_if.admin_up()
+ self.ipsec_tun_if.config_ip4()
+ src4 = socket.inet_pton(socket.AF_INET, self.remote_tun_if_host)
+ self.vapi.ip_add_del_route(src4, 32, self.ipsec_tun_if.remote_ip4n)
+
+ def tearDown(self):
+ if not self.vpp_dead:
+ self.vapi.cli("show hardware")
+ super(TemplateIpsecTunIfEsp, self).tearDown()
+
+
+class TestIpsecTunIfEsp1(TemplateIpsecTunIfEsp, IpsecTunTests):
+ """ Ipsec ESP - TUN tests """
+ pass
+
+
+class TestIpsecTunIfEsp2(TemplateIpsecTunIfEsp, IpsecTcpTests):
+ """ Ipsec ESP - TCP tests """
+ pass
+
+
+if __name__ == '__main__':
+ unittest.main(testRunner=VppTestRunner)
import socket
from util import Host, mk_ll_addr
-from vpp_neighbor import VppNeighbor
class VppInterface(object):
self._hosts_by_ip4 = {}
self._hosts_by_ip6 = {}
+ def set_sw_if_index(self, sw_if_index):
+ self._sw_if_index = sw_if_index
+
self.generate_remote_hosts()
self._local_ip4 = "172.16.%u.1" % self.sw_if_index
--- /dev/null
+from vpp_tunnel_interface import VppTunnelInterface
+
+
+class VppIpsecTunInterface(VppTunnelInterface):
+ """
+ VPP IPsec Tunnel interface
+ """
+
+ def __init__(self, test, parent_if, local_spi,
+ remote_spi, crypto_alg, local_crypto_key, remote_crypto_key,
+ integ_alg, local_integ_key, remote_integ_key):
+ super(VppIpsecTunInterface, self).__init__(test, parent_if)
+ self.local_spi = local_spi
+ self.remote_spi = remote_spi
+ self.crypto_alg = crypto_alg
+ self.local_crypto_key = local_crypto_key
+ self.remote_crypto_key = remote_crypto_key
+ self.integ_alg = integ_alg
+ self.local_integ_key = local_integ_key
+ self.remote_integ_key = remote_integ_key
+
+ def add_vpp_config(self):
+ r = self.test.vapi.ipsec_tunnel_if_add_del(
+ self.parent_if.local_ip4n, self.parent_if.remote_ip4n,
+ self.remote_spi, self.local_spi, self.crypto_alg,
+ self.local_crypto_key, self.remote_crypto_key, self.integ_alg,
+ self.local_integ_key, self.remote_integ_key)
+ self.set_sw_if_index(r.sw_if_index)
+ self.generate_remote_hosts()
+ self.test.registry.register(self, self.test.logger)
+
+ def remove_vpp_config(self):
+ self.test.vapi.ipsec_tunnel_if_add_del(
+ self.parent_if.local_ip4n, self.parent_if.remote_ip4n,
+ self.remote_spi, self.local_spi, self.crypto_alg,
+ self.local_crypto_key, self.remote_crypto_key, self.integ_alg,
+ self.local_integ_key, self.remote_integ_key, is_add=0)
+
+ def __str__(self):
+ return self.object_id()
+
+ def object_id(self):
+ return "ipsec-tun-if-%d" % self._sw_if_index
def ipsec_sad_add_del_entry(self,
sad_id,
spi,
+ integrity_algorithm,
+ integrity_key,
+ crypto_algorithm,
+ crypto_key,
+ protocol,
tunnel_src_address='',
tunnel_dst_address='',
- protocol=0,
- integrity_algorithm=2,
- integrity_key_length=0,
- integrity_key='C91KUR9GYMm5GfkEvNjX',
- crypto_algorithm=1,
- crypto_key_length=0,
- crypto_key='JPjyOWBeVEQiMe7h',
- is_add=1,
is_tunnel=1,
+ is_add=1,
udp_encap=0):
""" IPSEC SA add/del
- Sample CLI : 'ipsec sa add 10 spi 1001 esp \
- crypto-key 4a506a794f574265564551694d653768 \
- crypto-alg aes-cbc-128 \
- integ-key 4339314b55523947594d6d3547666b45764e6a58 \
- integ-alg sha1-96 tunnel-src 192.168.100.3 \
- tunnel-dst 192.168.100.2'
- Sample CLI : 'ipsec sa add 20 spi 2001 \
- integ-key 4339314b55523947594d6d3547666b45764e6a58 \
- integ-alg sha1-96'
-
- :param sad_id - Security Association ID to be \
- created or deleted. mandatory
- :param spi - security param index of the SA in decimal. mandatory
- :param tunnel_src_address - incase of tunnel mode outer src address .\
- mandatory for tunnel mode
- :param tunnel_dst_address - incase of transport mode \
- outer dst address. mandatory for tunnel mode
- :param protocol - AH(0) or ESP(1) protocol (Default 0 - AH). optional
- :param integrity_algorithm - value range 1-6 Default(2 - SHA1_96).\
- optional **
- :param integrity_key - value in string \
- (Default C91KUR9GYMm5GfkEvNjX).optional
- :param integrity_key_length - length of the key string in bytes\
- (Default 0 - integrity disabled). optional
- :param crypto_algorithm - value range 1-11 Default \
- (1- AES_CBC_128).optional **
- :param crypto_key - value in string(Default JPjyOWBeVEQiMe7h).optional
- :param crypto_key_length - length of the key string in bytes\
- (Default 0 - crypto disabled). optional
- :param is_add - add(1) or del(0) ipsec SA entry(Default 1 - add) .\
- optional
- :param is_tunnel - tunnel mode (1) or transport mode(0) \
- (Default 1 - tunnel). optional
- :returns: reply from the API
+ :param sad_id: security association ID
+ :param spi: security param index of the SA in decimal
+ :param integrity_algorithm:
+ :param integrity_key:
+ :param crypto_algorithm:
+ :param crypto_key:
+ :param protocol: AH(0) or ESP(1) protocol
+ :param tunnel_src_address: tunnel mode outer src address
+ :param tunnel_dst_address: tunnel mode outer dst address
+ :param is_add:
+ :param is_tunnel:
:** reference /vpp/src/vnet/ipsec/ipsec.h file for enum values of
crypto and ipsec algorithms
"""
'tunnel_dst_address': tunnel_dst_address,
'protocol': protocol,
'integrity_algorithm': integrity_algorithm,
- 'integrity_key_length': integrity_key_length,
+ 'integrity_key_length': len(integrity_key),
'integrity_key': integrity_key,
'crypto_algorithm': crypto_algorithm,
- 'crypto_key_length': crypto_key_length,
+ 'crypto_key_length': len(crypto_key) if crypto_key is not None
+ else 0,
'crypto_key': crypto_key,
'is_add': is_add,
'is_tunnel': is_tunnel,
def ipsec_spd_add_del_entry(self,
spd_id,
+ sa_id,
local_address_start,
local_address_stop,
remote_address_start,
remote_port_start=0,
remote_port_stop=65535,
protocol=0,
- sa_id=10,
policy=0,
priority=100,
is_outbound=1,
is_ip_any=0):
""" IPSEC policy SPD add/del -
Wrapper to configure ipsec SPD policy entries in VPP
- Sample CLI : 'ipsec policy add spd 1 inbound priority 10 action \
- protect sa 20 local-ip-range 192.168.4.4 - 192.168.4.4 \
- remote-ip-range 192.168.3.3 - 192.168.3.3'
-
- :param spd_id - SPD ID for the policy . mandatory
- :param local_address_start - local-ip-range start address . mandatory
- :param local_address_stop - local-ip-range stop address . mandatory
- :param remote_address_start - remote-ip-range start address . mandatory
- :param remote_address_stop - remote-ip-range stop address . mandatory
- :param local_port_start - (Default 0) . optional
- :param local_port_stop - (Default 65535). optional
- :param remote_port_start - (Default 0). optional
- :param remote_port_stop - (Default 65535). optional
- :param protocol - Any(0), AH(51) & ESP(50) protocol (Default 0 - Any).
- optional
- :param sa_id - Security Association ID for mapping it to SPD
- (default 10). optional
- :param policy - bypass(0), discard(1), resolve(2) or protect(3)action
- (Default 0 - bypass). optional
- :param priotity - value for the spd action (Default 100). optional
- :param is_outbound - flag for inbound(0) or outbound(1)
- (Default 1 - outbound). optional
- :param is_add flag - for addition(1) or deletion(0) of the spd
- (Default 1 - addtion). optional
- :returns: reply from the API
+ :param spd_id: SPD ID for the policy
+ :param local_address_start: local-ip-range start address
+ :param local_address_stop : local-ip-range stop address
+ :param remote_address_start: remote-ip-range start address
+ :param remote_address_stop : remote-ip-range stop address
+ :param local_port_start: (Default value = 0)
+ :param local_port_stop: (Default value = 65535)
+ :param remote_port_start: (Default value = 0)
+ :param remote_port_stop: (Default value = 65535)
+ :param protocol: Any(0), AH(51) & ESP(50) protocol (Default value = 0)
+ :param sa_id: Security Association ID for mapping it to SPD
+ :param policy: bypass(0), discard(1), resolve(2) or protect(3) action
+ (Default value = 0)
+ :param priority: value for the spd action (Default value = 100)
+ :param is_outbound: flag for inbound(0) or outbound(1)
+ (Default value = 1)
+ :param is_add: (Default value = 1)
"""
return self.api(
self.papi.ipsec_spd_add_del_entry,
{'spd_id': spd_id,
+ 'sa_id': sa_id,
'local_address_start': local_address_start,
'local_address_stop': local_address_stop,
'remote_address_start': remote_address_start,
'policy': policy,
'priority': priority,
'is_outbound': is_outbound,
- 'sa_id': sa_id,
'is_ip_any': is_ip_any})
+ def ipsec_tunnel_if_add_del(self, local_ip, remote_ip, local_spi,
+ remote_spi, crypto_alg, local_crypto_key,
+ remote_crypto_key, integ_alg, local_integ_key,
+ remote_integ_key, is_add=1, esn=0,
+ anti_replay=1, renumber=0, show_instance=0):
+ return self.api(
+ self.papi.ipsec_tunnel_if_add_del,
+ {'local_ip': local_ip, 'remote_ip': remote_ip,
+ 'local_spi': local_spi, 'remote_spi': remote_spi,
+ 'crypto_alg': crypto_alg,
+ 'local_crypto_key_len': len(local_crypto_key),
+ 'local_crypto_key': local_crypto_key,
+ 'remote_crypto_key_len': len(remote_crypto_key),
+ 'remote_crypto_key': remote_crypto_key, 'integ_alg': integ_alg,
+ 'local_integ_key_len': len(local_integ_key),
+ 'local_integ_key': local_integ_key,
+ 'remote_integ_key_len': len(remote_integ_key),
+ 'remote_integ_key': remote_integ_key, 'is_add': is_add,
+ 'esn': esn, 'anti_replay': anti_replay, 'renumber': renumber,
+ 'show_instance': show_instance
+ })
+
def app_namespace_add(self,
namespace_id,
ip4_fib_id=0,
def __init__(self, test, pg_index):
""" Create VPP packet-generator interface """
- r = test.vapi.pg_create_interface(pg_index)
- self._sw_if_index = r.sw_if_index
-
super(VppPGInterface, self).__init__(test)
+ r = test.vapi.pg_create_interface(pg_index)
+ self.set_sw_if_index(r.sw_if_index)
+
self._in_history_counter = 0
self._out_history_counter = 0
self._out_assert_counter = 0
--- /dev/null
+from abc import abstractmethod, ABCMeta
+from vpp_pg_interface import is_ipv6_misc
+from vpp_interface import VppInterface
+
+
+class VppTunnelInterface(VppInterface):
+ """ VPP tunnel interface abstration """
+ __metaclass__ = ABCMeta
+
+ @abstractmethod
+ def __init__(self, test, parent_if):
+ super(VppTunnelInterface, self).__init__(test)
+ self.parent_if = parent_if
+
+ @property
+ def local_mac(self):
+ return self.parent_if.local_mac
+
+ @property
+ def remote_mac(self):
+ return self.parent_if.remote_mac
+
+ def enable_capture(self):
+ return self.parent_if.enable_capture()
+
+ def add_stream(self, pkts):
+ return self.parent_if.add_stream(pkts)
+
+ def get_capture(self, expected_count=None, remark=None, timeout=1,
+ filter_out_fn=is_ipv6_misc):
+ return self.parent_if.get_capture(expected_count, remark, timeout,
+ filter_out_fn)
Code Review / vpp.git / commitdiff