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-rw-r--r--src/plugins/ikev2/CMakeLists.txt34
-rw-r--r--src/plugins/ikev2/ikev2.api293
-rw-r--r--src/plugins/ikev2/ikev2.c3487
-rw-r--r--src/plugins/ikev2/ikev2.h435
-rw-r--r--src/plugins/ikev2/ikev2_api.c468
-rw-r--r--src/plugins/ikev2/ikev2_cli.c602
-rw-r--r--src/plugins/ikev2/ikev2_crypto.c1076
-rw-r--r--src/plugins/ikev2/ikev2_format.c155
-rw-r--r--src/plugins/ikev2/ikev2_msg_enum.h28
-rw-r--r--src/plugins/ikev2/ikev2_payload.c549
-rw-r--r--src/plugins/ikev2/ikev2_priv.h364
-rw-r--r--src/plugins/ikev2/ikev2_test.c861
12 files changed, 8352 insertions, 0 deletions
diff --git a/src/plugins/ikev2/CMakeLists.txt b/src/plugins/ikev2/CMakeLists.txt
new file mode 100644
index 00000000000..800b9a8d67e
--- /dev/null
+++ b/src/plugins/ikev2/CMakeLists.txt
@@ -0,0 +1,34 @@
+# Copyright (c) 2018 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.
+
+add_vpp_plugin(ikev2
+ SOURCES
+ ikev2.c
+ ikev2_api.c
+ ikev2_cli.c
+ ikev2_crypto.c
+ ikev2_format.c
+ ikev2_payload.c
+
+ API_FILES
+ ikev2.api
+
+ API_TEST_SOURCES
+ ikev2_test.c
+
+ INSTALL_HEADERS
+ ikev2.h
+ ikev2_priv.h
+
+ COMPONENT vpp-plugin-ikev2
+)
diff --git a/src/plugins/ikev2/ikev2.api b/src/plugins/ikev2/ikev2.api
new file mode 100644
index 00000000000..6c47482ae12
--- /dev/null
+++ b/src/plugins/ikev2/ikev2.api
@@ -0,0 +1,293 @@
+/* Hey Emacs use -*- mode: C -*- */
+/*
+ * Copyright (c) 2015-2016 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.
+ */
+
+option version = "1.0.0";
+
+/** \brief Get the plugin version
+ @param client_index - opaque cookie to identify the sender
+ @param context - sender context, to match reply w/ request
+*/
+define ikev2_plugin_get_version
+{
+ u32 client_index;
+ u32 context;
+};
+
+/** \brief Reply to get the plugin version
+ @param context - returned sender context, to match reply w/ request
+ @param major - Incremented every time a known breaking behavior change is introduced
+ @param minor - Incremented with small changes, may be used to avoid buggy versions
+*/
+define ikev2_plugin_get_version_reply
+{
+ u32 context;
+ u32 major;
+ u32 minor;
+};
+
+/** \brief IKEv2: Add/delete profile
+ @param client_index - opaque cookie to identify the sender
+ @param context - sender context, to match reply w/ request
+
+ @param name - IKEv2 profile name
+ @param is_add - Add IKEv2 profile if non-zero, else delete
+*/
+autoreply define ikev2_profile_add_del
+{
+ u32 client_index;
+ u32 context;
+
+ u8 name[64];
+ u8 is_add;
+};
+
+/** \brief IKEv2: Set IKEv2 profile authentication method
+ @param client_index - opaque cookie to identify the sender
+ @param context - sender context, to match reply w/ request
+
+ @param name - IKEv2 profile name
+ @param auth_method - IKEv2 authentication method (shared-key-mic/rsa-sig)
+ @param is_hex - Authentication data in hex format if non-zero, else string
+ @param data_len - Authentication data length
+ @param data - Authentication data (for rsa-sig cert file path)
+*/
+autoreply define ikev2_profile_set_auth
+{
+ u32 client_index;
+ u32 context;
+
+ u8 name[64];
+ u8 auth_method;
+ u8 is_hex;
+ u32 data_len;
+ u8 data[data_len];
+};
+
+/** \brief IKEv2: Set IKEv2 profile local/remote identification
+ @param client_index - opaque cookie to identify the sender
+ @param context - sender context, to match reply w/ request
+
+ @param name - IKEv2 profile name
+ @param is_local - Identification is local if non-zero, else remote
+ @param id_type - Identification type
+ @param data_len - Identification data length
+ @param data - Identification data
+*/
+autoreply define ikev2_profile_set_id
+{
+ u32 client_index;
+ u32 context;
+
+ u8 name[64];
+ u8 is_local;
+ u8 id_type;
+ u32 data_len;
+ u8 data[data_len];
+};
+
+/** \brief IKEv2: Set IKEv2 profile traffic selector parameters
+ @param client_index - opaque cookie to identify the sender
+ @param context - sender context, to match reply w/ request
+
+ @param name - IKEv2 profile name
+ @param is_local - Traffic selector is local if non-zero, else remote
+ @param proto - Traffic selector IP protocol (if zero not relevant)
+ @param start_port - The smallest port number allowed by traffic selector
+ @param end_port - The largest port number allowed by traffic selector
+ @param start_addr - The smallest address included in traffic selector
+ @param end_addr - The largest address included in traffic selector
+*/
+autoreply define ikev2_profile_set_ts
+{
+ u32 client_index;
+ u32 context;
+
+ u8 name[64];
+ u8 is_local;
+ u8 proto;
+ u16 start_port;
+ u16 end_port;
+ u32 start_addr;
+ u32 end_addr;
+};
+
+/** \brief IKEv2: Set IKEv2 local RSA private key
+ @param client_index - opaque cookie to identify the sender
+ @param context - sender context, to match reply w/ request
+
+ @param key_file - Key file absolute path
+*/
+autoreply define ikev2_set_local_key
+{
+ u32 client_index;
+ u32 context;
+
+ u8 key_file[256];
+};
+
+/** \brief IKEv2: Set IKEv2 responder interface and IP address
+ @param client_index - opaque cookie to identify the sender
+ @param context - sender context, to match reply w/ request
+
+ @param name - IKEv2 profile name
+ @param sw_if_index - interface index
+ @param address - interface address
+*/
+autoreply define ikev2_set_responder
+{
+ u32 client_index;
+ u32 context;
+
+ u8 name[64];
+ u32 sw_if_index;
+ u8 address[4];
+};
+
+/** \brief IKEv2: Set IKEv2 IKE transforms in SA_INIT proposal (RFC 7296)
+ @param client_index - opaque cookie to identify the sender
+ @param context - sender context, to match reply w/ request
+
+ @param name - IKEv2 profile name
+ @param crypto_alg - encryption algorithm
+ @param crypto_key_size - encryption key size
+ @param integ_alg - integrity algorithm
+ @param dh_group - Diffie-Hellman group
+
+*/
+autoreply define ikev2_set_ike_transforms
+{
+ u32 client_index;
+ u32 context;
+
+ u8 name[64];
+ u32 crypto_alg;
+ u32 crypto_key_size;
+ u32 integ_alg;
+ u32 dh_group;
+};
+
+/** \brief IKEv2: Set IKEv2 ESP transforms in SA_INIT proposal (RFC 7296)
+ @param client_index - opaque cookie to identify the sender
+ @param context - sender context, to match reply w/ request
+
+ @param name - IKEv2 profile name
+ @param crypto_alg - encryption algorithm
+ @param crypto_key_size - encryption key size
+ @param integ_alg - integrity algorithm
+ @param dh_group - Diffie-Hellman group
+
+*/
+autoreply define ikev2_set_esp_transforms
+{
+ u32 client_index;
+ u32 context;
+
+ u8 name[64];
+ u32 crypto_alg;
+ u32 crypto_key_size;
+ u32 integ_alg;
+ u32 dh_group;
+};
+
+/** \brief IKEv2: Set Child SA lifetime, limited by time and/or data
+ @param client_index - opaque cookie to identify the sender
+ @param context - sender context, to match reply w/ request
+
+ @param name - IKEv2 profile name
+ @param lifetime - SA maximum life time in seconds (0 to disable)
+ @param lifetime_jitter - Jitter added to prevent simultaneous rekeying
+ @param handover - Hand over time
+ @param lifetime_maxdata - SA maximum life time in bytes (0 to disable)
+
+*/
+autoreply define ikev2_set_sa_lifetime
+{
+ u32 client_index;
+ u32 context;
+
+ u8 name[64];
+ u64 lifetime;
+ u32 lifetime_jitter;
+ u32 handover;
+ u64 lifetime_maxdata;
+};
+
+/** \brief IKEv2: Initiate the SA_INIT exchange
+ @param client_index - opaque cookie to identify the sender
+ @param context - sender context, to match reply w/ request
+
+ @param name - IKEv2 profile name
+
+*/
+autoreply define ikev2_initiate_sa_init
+{
+ u32 client_index;
+ u32 context;
+
+ u8 name[64];
+};
+
+/** \brief IKEv2: Initiate the delete IKE SA exchange
+ @param client_index - opaque cookie to identify the sender
+ @param context - sender context, to match reply w/ request
+
+ @param ispi - IKE SA initiator SPI
+
+*/
+autoreply define ikev2_initiate_del_ike_sa
+{
+ u32 client_index;
+ u32 context;
+
+ u64 ispi;
+};
+
+/** \brief IKEv2: Initiate the delete Child SA exchange
+ @param client_index - opaque cookie to identify the sender
+ @param context - sender context, to match reply w/ request
+
+ @param ispi - Child SA initiator SPI
+
+*/
+autoreply define ikev2_initiate_del_child_sa
+{
+ u32 client_index;
+ u32 context;
+
+ u32 ispi;
+};
+
+/** \brief IKEv2: Initiate the rekey Child SA exchange
+ @param client_index - opaque cookie to identify the sender
+ @param context - sender context, to match reply w/ request
+
+ @param ispi - Child SA initiator SPI
+
+*/
+autoreply define ikev2_initiate_rekey_child_sa
+{
+ u32 client_index;
+ u32 context;
+
+ u32 ispi;
+};
+
+/*
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */
+
diff --git a/src/plugins/ikev2/ikev2.c b/src/plugins/ikev2/ikev2.c
new file mode 100644
index 00000000000..929f97716d3
--- /dev/null
+++ b/src/plugins/ikev2/ikev2.c
@@ -0,0 +1,3487 @@
+/*
+ * 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 <vlib/vlib.h>
+#include <vlib/unix/plugin.h>
+#include <vpp/app/version.h>
+#include <vnet/vnet.h>
+#include <vnet/pg/pg.h>
+#include <vppinfra/error.h>
+#include <vppinfra/random.h>
+#include <vnet/udp/udp.h>
+#include <vnet/ipsec/ipsec.h>
+#include <plugins/ikev2/ikev2.h>
+#include <plugins/ikev2/ikev2_priv.h>
+#include <openssl/sha.h>
+
+ikev2_main_t ikev2_main;
+
+static int ikev2_delete_tunnel_interface (vnet_main_t * vnm,
+ ikev2_sa_t * sa,
+ ikev2_child_sa_t * child);
+
+#define ikev2_set_state(sa, v) do { \
+ (sa)->state = v; \
+ clib_warning("sa state changed to " #v); \
+ } while(0);
+
+typedef struct
+{
+ u32 next_index;
+ u32 sw_if_index;
+} ikev2_trace_t;
+
+static u8 *
+format_ikev2_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 *);
+ ikev2_trace_t *t = va_arg (*args, ikev2_trace_t *);
+
+ s = format (s, "ikev2: sw_if_index %d, next index %d",
+ t->sw_if_index, t->next_index);
+ return s;
+}
+
+static vlib_node_registration_t ikev2_node;
+
+#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")
+
+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,
+ IKEV2_NEXT_ERROR_DROP,
+ IKEV2_N_NEXT,
+} ikev2_next_t;
+
+static ikev2_sa_transform_t *
+ikev2_find_transform_data (ikev2_sa_transform_t * t)
+{
+ ikev2_main_t *km = &ikev2_main;
+ ikev2_sa_transform_t *td;
+
+ vec_foreach (td, km->supported_transforms)
+ {
+ if (td->type != t->type)
+ continue;
+
+ if (td->transform_id != t->transform_id)
+ continue;
+
+ if (td->type == IKEV2_TRANSFORM_TYPE_ENCR)
+ {
+ if (vec_len (t->attrs) != 4 || t->attrs[0] != 0x80
+ || t->attrs[1] != 14)
+ continue;
+
+ if (((t->attrs[2] << 8 | t->attrs[3]) / 8) != td->key_len)
+ continue;
+ }
+ return td;
+ }
+ return 0;
+}
+
+static ikev2_sa_proposal_t *
+ikev2_select_proposal (ikev2_sa_proposal_t * proposals,
+ ikev2_protocol_id_t prot_id)
+{
+ ikev2_sa_proposal_t *rv = 0;
+ ikev2_sa_proposal_t *proposal;
+ ikev2_sa_transform_t *transform, *new_t;
+ u8 mandatory_bitmap, optional_bitmap;
+
+ if (prot_id == IKEV2_PROTOCOL_IKE)
+ {
+ mandatory_bitmap = (1 << IKEV2_TRANSFORM_TYPE_ENCR) |
+ (1 << IKEV2_TRANSFORM_TYPE_PRF) |
+ (1 << IKEV2_TRANSFORM_TYPE_INTEG) | (1 << IKEV2_TRANSFORM_TYPE_DH);
+ optional_bitmap = mandatory_bitmap;
+ }
+ else if (prot_id == IKEV2_PROTOCOL_ESP)
+ {
+ mandatory_bitmap = (1 << IKEV2_TRANSFORM_TYPE_ENCR) |
+ (1 << IKEV2_TRANSFORM_TYPE_ESN);
+ optional_bitmap = mandatory_bitmap |
+ (1 << IKEV2_TRANSFORM_TYPE_INTEG) | (1 << IKEV2_TRANSFORM_TYPE_DH);
+ }
+ else if (prot_id == IKEV2_PROTOCOL_AH)
+ {
+ mandatory_bitmap = (1 << IKEV2_TRANSFORM_TYPE_INTEG) |
+ (1 << IKEV2_TRANSFORM_TYPE_ESN);
+ optional_bitmap = mandatory_bitmap | (1 << IKEV2_TRANSFORM_TYPE_DH);
+ }
+ else
+ return 0;
+
+ vec_add2 (rv, proposal, 1);
+
+ vec_foreach (proposal, proposals)
+ {
+ u8 bitmap = 0;
+ if (proposal->protocol_id != prot_id)
+ continue;
+
+ vec_foreach (transform, proposal->transforms)
+ {
+ if ((1 << transform->type) & bitmap)
+ continue;
+
+ if (ikev2_find_transform_data (transform))
+ {
+ bitmap |= 1 << transform->type;
+ vec_add2 (rv->transforms, new_t, 1);
+ clib_memcpy_fast (new_t, transform, sizeof (*new_t));
+ new_t->attrs = vec_dup (transform->attrs);
+ }
+ }
+
+ clib_warning ("bitmap is %x mandatory is %x optional is %x",
+ bitmap, mandatory_bitmap, optional_bitmap);
+
+ if ((bitmap & mandatory_bitmap) == mandatory_bitmap &&
+ (bitmap & ~optional_bitmap) == 0)
+ {
+ rv->proposal_num = proposal->proposal_num;
+ rv->protocol_id = proposal->protocol_id;
+ RAND_bytes ((u8 *) & rv->spi, sizeof (rv->spi));
+ goto done;
+ }
+ else
+ {
+ vec_free (rv->transforms);
+ }
+ }
+
+ vec_free (rv);
+done:
+ return rv;
+}
+
+ikev2_sa_transform_t *
+ikev2_sa_get_td_for_type (ikev2_sa_proposal_t * p,
+ ikev2_transform_type_t type)
+{
+ ikev2_sa_transform_t *t;
+
+ if (!p)
+ return 0;
+
+ vec_foreach (t, p->transforms)
+ {
+ if (t->type == type)
+ return ikev2_find_transform_data (t);
+ }
+ return 0;
+}
+
+ikev2_child_sa_t *
+ikev2_sa_get_child (ikev2_sa_t * sa, u32 spi, ikev2_protocol_id_t prot_id,
+ int by_initiator)
+{
+ ikev2_child_sa_t *c;
+ vec_foreach (c, sa->childs)
+ {
+ ikev2_sa_proposal_t *proposal =
+ by_initiator ? &c->i_proposals[0] : &c->r_proposals[0];
+ if (proposal && proposal->spi == spi && proposal->protocol_id == prot_id)
+ return c;
+ }
+
+ return 0;
+}
+
+void
+ikev2_sa_free_proposal_vector (ikev2_sa_proposal_t ** v)
+{
+ ikev2_sa_proposal_t *p;
+ ikev2_sa_transform_t *t;
+
+ if (!*v)
+ return;
+
+ vec_foreach (p, *v)
+ {
+ vec_foreach (t, p->transforms)
+ {
+ vec_free (t->attrs);
+ }
+ vec_free (p->transforms);
+ }
+ vec_free (*v);
+};
+
+static void
+ikev2_sa_free_all_child_sa (ikev2_child_sa_t ** childs)
+{
+ ikev2_child_sa_t *c;
+ vec_foreach (c, *childs)
+ {
+ ikev2_sa_free_proposal_vector (&c->r_proposals);
+ ikev2_sa_free_proposal_vector (&c->i_proposals);
+ vec_free (c->sk_ai);
+ vec_free (c->sk_ar);
+ vec_free (c->sk_ei);
+ vec_free (c->sk_er);
+ }
+
+ vec_free (*childs);
+}
+
+static void
+ikev2_sa_del_child_sa (ikev2_sa_t * sa, ikev2_child_sa_t * child)
+{
+ ikev2_sa_free_proposal_vector (&child->r_proposals);
+ ikev2_sa_free_proposal_vector (&child->i_proposals);
+ vec_free (child->sk_ai);
+ vec_free (child->sk_ar);
+ vec_free (child->sk_ei);
+ vec_free (child->sk_er);
+
+ vec_del1 (sa->childs, child - sa->childs);
+}
+
+static void
+ikev2_sa_free_all_vec (ikev2_sa_t * sa)
+{
+ vec_free (sa->i_nonce);
+ vec_free (sa->i_dh_data);
+ vec_free (sa->dh_shared_key);
+ vec_free (sa->dh_private_key);
+
+ ikev2_sa_free_proposal_vector (&sa->r_proposals);
+ ikev2_sa_free_proposal_vector (&sa->i_proposals);
+
+ vec_free (sa->sk_d);
+ vec_free (sa->sk_ai);
+ vec_free (sa->sk_ar);
+ vec_free (sa->sk_ei);
+ vec_free (sa->sk_er);
+ vec_free (sa->sk_pi);
+ vec_free (sa->sk_pr);
+
+ vec_free (sa->i_id.data);
+ vec_free (sa->i_auth.data);
+ vec_free (sa->r_id.data);
+ vec_free (sa->r_auth.data);
+ if (sa->r_auth.key)
+ EVP_PKEY_free (sa->r_auth.key);
+
+ vec_free (sa->del);
+
+ ikev2_sa_free_all_child_sa (&sa->childs);
+}
+
+static void
+ikev2_delete_sa (ikev2_sa_t * sa)
+{
+ ikev2_main_t *km = &ikev2_main;
+ u32 thread_index = vlib_get_thread_index ();
+ uword *p;
+
+ ikev2_sa_free_all_vec (sa);
+
+ p = hash_get (km->per_thread_data[thread_index].sa_by_rspi, sa->rspi);
+ if (p)
+ {
+ hash_unset (km->per_thread_data[thread_index].sa_by_rspi, sa->rspi);
+ pool_put (km->per_thread_data[thread_index].sas, sa);
+ }
+}
+
+static void
+ikev2_generate_sa_init_data (ikev2_sa_t * sa)
+{
+ ikev2_sa_transform_t *t = 0, *t2;
+ ikev2_main_t *km = &ikev2_main;
+
+ if (sa->dh_group == IKEV2_TRANSFORM_DH_TYPE_NONE)
+ {
+ return;
+ }
+
+ /* check if received DH group is on our list of supported groups */
+ vec_foreach (t2, km->supported_transforms)
+ {
+ if (t2->type == IKEV2_TRANSFORM_TYPE_DH && sa->dh_group == t2->dh_type)
+ {
+ t = t2;
+ break;
+ }
+ }
+
+ if (!t)
+ {
+ clib_warning ("unknown dh data group %u (data len %u)", sa->dh_group,
+ vec_len (sa->i_dh_data));
+ sa->dh_group = IKEV2_TRANSFORM_DH_TYPE_NONE;
+ return;
+ }
+
+ if (sa->is_initiator)
+ {
+ /* generate rspi */
+ RAND_bytes ((u8 *) & sa->ispi, 8);
+
+ /* generate nonce */
+ sa->i_nonce = vec_new (u8, IKEV2_NONCE_SIZE);
+ RAND_bytes ((u8 *) sa->i_nonce, IKEV2_NONCE_SIZE);
+ }
+ else
+ {
+ /* generate rspi */
+ RAND_bytes ((u8 *) & sa->rspi, 8);
+
+ /* generate nonce */
+ sa->r_nonce = vec_new (u8, IKEV2_NONCE_SIZE);
+ RAND_bytes ((u8 *) sa->r_nonce, IKEV2_NONCE_SIZE);
+ }
+
+ /* generate dh keys */
+ ikev2_generate_dh (sa, t);
+
+}
+
+static void
+ikev2_complete_sa_data (ikev2_sa_t * sa, ikev2_sa_t * sai)
+{
+ ikev2_sa_transform_t *t = 0, *t2;
+ ikev2_main_t *km = &ikev2_main;
+
+
+ /*move some data to the new SA */
+#define _(A) ({void* __tmp__ = (A); (A) = 0; __tmp__;})
+ sa->i_nonce = _(sai->i_nonce);
+ sa->i_dh_data = _(sai->i_dh_data);
+ sa->dh_private_key = _(sai->dh_private_key);
+ sa->iaddr.as_u32 = sai->iaddr.as_u32;
+ sa->raddr.as_u32 = sai->raddr.as_u32;
+ sa->is_initiator = sai->is_initiator;
+ sa->profile = sai->profile;
+ sa->i_id.type = sai->i_id.type;
+ sa->i_id.data = _(sai->i_id.data);
+ sa->i_auth.method = sai->i_auth.method;
+ sa->i_auth.hex = sai->i_auth.hex;
+ sa->i_auth.data = _(sai->i_auth.data);
+ sa->i_auth.key = _(sai->i_auth.key);
+ sa->last_sa_init_req_packet_data = _(sai->last_sa_init_req_packet_data);
+ sa->childs = _(sai->childs);
+#undef _
+
+
+ if (sa->dh_group == IKEV2_TRANSFORM_DH_TYPE_NONE)
+ {
+ return;
+ }
+
+ /* check if received DH group is on our list of supported groups */
+ vec_foreach (t2, km->supported_transforms)
+ {
+ if (t2->type == IKEV2_TRANSFORM_TYPE_DH && sa->dh_group == t2->dh_type)
+ {
+ t = t2;
+ break;
+ }
+ }
+
+ if (!t)
+ {
+ clib_warning ("unknown dh data group %u (data len %u)", sa->dh_group,
+ vec_len (sa->i_dh_data));
+ sa->dh_group = IKEV2_TRANSFORM_DH_TYPE_NONE;
+ return;
+ }
+
+
+ /* generate dh keys */
+ ikev2_complete_dh (sa, t);
+
+}
+
+static void
+ikev2_calc_keys (ikev2_sa_t * sa)
+{
+ u8 *tmp;
+ /* calculate SKEYSEED = prf(Ni | Nr, g^ir) */
+ u8 *skeyseed = 0;
+ u8 *s = 0;
+ ikev2_sa_transform_t *tr_encr, *tr_prf, *tr_integ;
+ tr_encr =
+ ikev2_sa_get_td_for_type (sa->r_proposals, IKEV2_TRANSFORM_TYPE_ENCR);
+ tr_prf =
+ ikev2_sa_get_td_for_type (sa->r_proposals, IKEV2_TRANSFORM_TYPE_PRF);
+ tr_integ =
+ ikev2_sa_get_td_for_type (sa->r_proposals, IKEV2_TRANSFORM_TYPE_INTEG);
+
+ vec_append (s, sa->i_nonce);
+ vec_append (s, sa->r_nonce);
+ skeyseed = ikev2_calc_prf (tr_prf, s, sa->dh_shared_key);
+
+ /* Calculate S = Ni | Nr | SPIi | SPIr */
+ u64 *spi;
+ vec_add2 (s, tmp, 2 * sizeof (*spi));
+ spi = (u64 *) tmp;
+ spi[0] = clib_host_to_net_u64 (sa->ispi);
+ spi[1] = clib_host_to_net_u64 (sa->rspi);
+
+ /* calculate PRFplus */
+ u8 *keymat;
+ int len = tr_prf->key_trunc + /* SK_d */
+ tr_integ->key_len * 2 + /* SK_ai, SK_ar */
+ tr_encr->key_len * 2 + /* SK_ei, SK_er */
+ tr_prf->key_len * 2; /* SK_pi, SK_pr */
+
+ keymat = ikev2_calc_prfplus (tr_prf, skeyseed, s, len);
+ vec_free (skeyseed);
+ vec_free (s);
+
+ int pos = 0;
+
+ /* SK_d */
+ sa->sk_d = vec_new (u8, tr_prf->key_trunc);
+ clib_memcpy_fast (sa->sk_d, keymat + pos, tr_prf->key_trunc);
+ pos += tr_prf->key_trunc;
+
+ /* SK_ai */
+ sa->sk_ai = vec_new (u8, tr_integ->key_len);
+ clib_memcpy_fast (sa->sk_ai, keymat + pos, tr_integ->key_len);
+ pos += tr_integ->key_len;
+
+ /* SK_ar */
+ sa->sk_ar = vec_new (u8, tr_integ->key_len);
+ clib_memcpy_fast (sa->sk_ar, keymat + pos, tr_integ->key_len);
+ pos += tr_integ->key_len;
+
+ /* SK_ei */
+ sa->sk_ei = vec_new (u8, tr_encr->key_len);
+ clib_memcpy_fast (sa->sk_ei, keymat + pos, tr_encr->key_len);
+ pos += tr_encr->key_len;
+
+ /* SK_er */
+ sa->sk_er = vec_new (u8, tr_encr->key_len);
+ clib_memcpy_fast (sa->sk_er, keymat + pos, tr_encr->key_len);
+ pos += tr_encr->key_len;
+
+ /* SK_pi */
+ sa->sk_pi = vec_new (u8, tr_prf->key_len);
+ clib_memcpy_fast (sa->sk_pi, keymat + pos, tr_prf->key_len);
+ pos += tr_prf->key_len;
+
+ /* SK_pr */
+ sa->sk_pr = vec_new (u8, tr_prf->key_len);
+ clib_memcpy_fast (sa->sk_pr, keymat + pos, tr_prf->key_len);
+ pos += tr_prf->key_len;
+
+ vec_free (keymat);
+}
+
+static void
+ikev2_calc_child_keys (ikev2_sa_t * sa, ikev2_child_sa_t * child)
+{
+ u8 *s = 0;
+ ikev2_sa_transform_t *tr_prf, *ctr_encr, *ctr_integ;
+ tr_prf =
+ ikev2_sa_get_td_for_type (sa->r_proposals, IKEV2_TRANSFORM_TYPE_PRF);
+ ctr_encr =
+ ikev2_sa_get_td_for_type (child->r_proposals, IKEV2_TRANSFORM_TYPE_ENCR);
+ ctr_integ =
+ ikev2_sa_get_td_for_type (child->r_proposals, IKEV2_TRANSFORM_TYPE_INTEG);
+
+ vec_append (s, sa->i_nonce);
+ vec_append (s, sa->r_nonce);
+ /* calculate PRFplus */
+ u8 *keymat;
+ int len = ctr_encr->key_len * 2 + ctr_integ->key_len * 2;
+
+ keymat = ikev2_calc_prfplus (tr_prf, sa->sk_d, s, len);
+
+ int pos = 0;
+
+ /* SK_ei */
+ child->sk_ei = vec_new (u8, ctr_encr->key_len);
+ clib_memcpy_fast (child->sk_ei, keymat + pos, ctr_encr->key_len);
+ pos += ctr_encr->key_len;
+
+ /* SK_ai */
+ child->sk_ai = vec_new (u8, ctr_integ->key_len);
+ clib_memcpy_fast (child->sk_ai, keymat + pos, ctr_integ->key_len);
+ pos += ctr_integ->key_len;
+
+ /* SK_er */
+ child->sk_er = vec_new (u8, ctr_encr->key_len);
+ clib_memcpy_fast (child->sk_er, keymat + pos, ctr_encr->key_len);
+ pos += ctr_encr->key_len;
+
+ /* SK_ar */
+ child->sk_ar = vec_new (u8, ctr_integ->key_len);
+ clib_memcpy_fast (child->sk_ar, keymat + pos, ctr_integ->key_len);
+ pos += ctr_integ->key_len;
+
+ ASSERT (pos == len);
+
+ vec_free (keymat);
+}
+
+static void
+ikev2_process_sa_init_req (vlib_main_t * vm, ikev2_sa_t * sa,
+ ike_header_t * ike)
+{
+ int p = 0;
+ u32 len = clib_net_to_host_u32 (ike->length);
+ u8 payload = ike->nextpayload;
+
+ clib_warning ("ispi %lx rspi %lx nextpayload %x version %x "
+ "exchange %x flags %x msgid %x length %u",
+ clib_net_to_host_u64 (ike->ispi),
+ clib_net_to_host_u64 (ike->rspi),
+ payload, ike->version,
+ ike->exchange, ike->flags,
+ clib_net_to_host_u32 (ike->msgid), len);
+
+ sa->ispi = clib_net_to_host_u64 (ike->ispi);
+
+ /* store whole IKE payload - needed for PSK auth */
+ vec_free (sa->last_sa_init_req_packet_data);
+ vec_add (sa->last_sa_init_req_packet_data, ike, len);
+
+ while (p < len && payload != IKEV2_PAYLOAD_NONE)
+ {
+ ike_payload_header_t *ikep = (ike_payload_header_t *) & ike->payload[p];
+ u32 plen = clib_net_to_host_u16 (ikep->length);
+
+ if (plen < sizeof (ike_payload_header_t))
+ return;
+
+ if (payload == IKEV2_PAYLOAD_SA)
+ {
+ ikev2_sa_free_proposal_vector (&sa->i_proposals);
+ sa->i_proposals = ikev2_parse_sa_payload (ikep);
+ }
+ else if (payload == IKEV2_PAYLOAD_KE)
+ {
+ ike_ke_payload_header_t *ke = (ike_ke_payload_header_t *) ikep;
+ sa->dh_group = clib_net_to_host_u16 (ke->dh_group);
+ vec_free (sa->i_dh_data);
+ vec_add (sa->i_dh_data, ke->payload, plen - sizeof (*ke));
+ }
+ else if (payload == IKEV2_PAYLOAD_NONCE)
+ {
+ vec_free (sa->i_nonce);
+ vec_add (sa->i_nonce, ikep->payload, plen - sizeof (*ikep));
+ }
+ else if (payload == IKEV2_PAYLOAD_NOTIFY)
+ {
+ ikev2_notify_t *n = ikev2_parse_notify_payload (ikep);
+ vec_free (n);
+ }
+ else if (payload == IKEV2_PAYLOAD_VENDOR)
+ {
+ ikev2_parse_vendor_payload (ikep);
+ }
+ else
+ {
+ clib_warning ("unknown payload %u flags %x length %u", payload,
+ ikep->flags, plen);
+ if (ikep->flags & IKEV2_PAYLOAD_FLAG_CRITICAL)
+ {
+ ikev2_set_state (sa, IKEV2_STATE_NOTIFY_AND_DELETE);
+ sa->unsupported_cp = payload;
+ return;
+ }
+ }
+
+ payload = ikep->nextpayload;
+ p += plen;
+ }
+
+ ikev2_set_state (sa, IKEV2_STATE_SA_INIT);
+}
+
+static void
+ikev2_process_sa_init_resp (vlib_main_t * vm, ikev2_sa_t * sa,
+ ike_header_t * ike)
+{
+ int p = 0;
+ u32 len = clib_net_to_host_u32 (ike->length);
+ u8 payload = ike->nextpayload;
+
+ clib_warning ("ispi %lx rspi %lx nextpayload %x version %x "
+ "exchange %x flags %x msgid %x length %u",
+ clib_net_to_host_u64 (ike->ispi),
+ clib_net_to_host_u64 (ike->rspi),
+ payload, ike->version,
+ ike->exchange, ike->flags,
+ clib_net_to_host_u32 (ike->msgid), len);
+
+ sa->ispi = clib_net_to_host_u64 (ike->ispi);
+ sa->rspi = clib_net_to_host_u64 (ike->rspi);
+
+ /* store whole IKE payload - needed for PSK auth */
+ vec_free (sa->last_sa_init_res_packet_data);
+ vec_add (sa->last_sa_init_res_packet_data, ike, len);
+
+ while (p < len && payload != IKEV2_PAYLOAD_NONE)
+ {
+ ike_payload_header_t *ikep = (ike_payload_header_t *) & ike->payload[p];
+ u32 plen = clib_net_to_host_u16 (ikep->length);
+
+ if (plen < sizeof (ike_payload_header_t))
+ return;
+
+ if (payload == IKEV2_PAYLOAD_SA)
+ {
+ ikev2_sa_free_proposal_vector (&sa->r_proposals);
+ sa->r_proposals = ikev2_parse_sa_payload (ikep);
+ if (sa->r_proposals)
+ {
+ ikev2_set_state (sa, IKEV2_STATE_SA_INIT);
+ ike->msgid =
+ clib_host_to_net_u32 (clib_net_to_host_u32 (ike->msgid) + 1);
+ }
+ }
+ else if (payload == IKEV2_PAYLOAD_KE)
+ {
+ ike_ke_payload_header_t *ke = (ike_ke_payload_header_t *) ikep;
+ sa->dh_group = clib_net_to_host_u16 (ke->dh_group);
+ vec_free (sa->r_dh_data);
+ vec_add (sa->r_dh_data, ke->payload, plen - sizeof (*ke));
+ }
+ else if (payload == IKEV2_PAYLOAD_NONCE)
+ {
+ vec_free (sa->r_nonce);
+ vec_add (sa->r_nonce, ikep->payload, plen - sizeof (*ikep));
+ }
+ else if (payload == IKEV2_PAYLOAD_NOTIFY)
+ {
+ ikev2_notify_t *n = ikev2_parse_notify_payload (ikep);
+ vec_free (n);
+ }
+ else if (payload == IKEV2_PAYLOAD_VENDOR)
+ {
+ ikev2_parse_vendor_payload (ikep);
+ }
+ else
+ {
+ clib_warning ("unknown payload %u flags %x length %u", payload,
+ ikep->flags, plen);
+ if (ikep->flags & IKEV2_PAYLOAD_FLAG_CRITICAL)
+ {
+ ikev2_set_state (sa, IKEV2_STATE_NOTIFY_AND_DELETE);
+ sa->unsupported_cp = payload;
+ return;
+ }
+ }
+
+ payload = ikep->nextpayload;
+ p += plen;
+ }
+}
+
+static u8 *
+ikev2_decrypt_sk_payload (ikev2_sa_t * sa, ike_header_t * ike, u8 * payload)
+{
+ int p = 0;
+ u8 last_payload = 0;
+ u8 *hmac = 0;
+ u32 len = clib_net_to_host_u32 (ike->length);
+ ike_payload_header_t *ikep = 0;
+ u32 plen = 0;
+ ikev2_sa_transform_t *tr_integ;
+ tr_integ =
+ ikev2_sa_get_td_for_type (sa->r_proposals, IKEV2_TRANSFORM_TYPE_INTEG);
+
+ while (p < len &&
+ *payload != IKEV2_PAYLOAD_NONE && last_payload != IKEV2_PAYLOAD_SK)
+ {
+ ikep = (ike_payload_header_t *) & ike->payload[p];
+ plen = clib_net_to_host_u16 (ikep->length);
+
+ if (plen < sizeof (*ikep))
+ return 0;
+
+ if (*payload == IKEV2_PAYLOAD_SK)
+ {
+ clib_warning ("received IKEv2 payload SK, len %u", plen - 4);
+ last_payload = *payload;
+ }
+ else
+ {
+ clib_warning ("unknown payload %u flags %x length %u", payload,
+ ikep->flags, plen);
+ if (ikep->flags & IKEV2_PAYLOAD_FLAG_CRITICAL)
+ {
+ sa->unsupported_cp = *payload;
+ return 0;
+ }
+ }
+
+ *payload = ikep->nextpayload;
+ p += plen;
+ }
+
+ if (last_payload != IKEV2_PAYLOAD_SK)
+ {
+ clib_warning ("Last payload must be SK");
+ return 0;
+ }
+
+ hmac =
+ ikev2_calc_integr (tr_integ, sa->is_initiator ? sa->sk_ar : sa->sk_ai,
+ (u8 *) ike, len - tr_integ->key_trunc);
+
+ plen = plen - sizeof (*ikep) - tr_integ->key_trunc;
+
+ if (memcmp (hmac, &ikep->payload[plen], tr_integ->key_trunc))
+ {
+ clib_warning ("message integrity check failed");
+ vec_free (hmac);
+ return 0;
+ }
+ vec_free (hmac);
+
+ return ikev2_decrypt_data (sa, ikep->payload, plen);
+}
+
+static void
+ikev2_initial_contact_cleanup (ikev2_sa_t * sa)
+{
+ ikev2_main_t *km = &ikev2_main;
+ ikev2_sa_t *tmp;
+ u32 i, *delete = 0;
+ ikev2_child_sa_t *c;
+ u32 thread_index = vlib_get_thread_index ();
+
+ if (!sa->initial_contact)
+ return;
+
+ /* find old IKE SAs with the same authenticated identity */
+ /* *INDENT-OFF* */
+ pool_foreach (tmp, km->per_thread_data[thread_index].sas, ({
+ if (tmp->i_id.type != sa->i_id.type ||
+ vec_len(tmp->i_id.data) != vec_len(sa->i_id.data) ||
+ memcmp(sa->i_id.data, tmp->i_id.data, vec_len(sa->i_id.data)))
+ continue;
+
+ if (sa->rspi != tmp->rspi)
+ vec_add1(delete, tmp - km->per_thread_data[thread_index].sas);
+ }));
+ /* *INDENT-ON* */
+
+ for (i = 0; i < vec_len (delete); i++)
+ {
+ tmp =
+ pool_elt_at_index (km->per_thread_data[thread_index].sas, delete[i]);
+ vec_foreach (c,
+ tmp->childs) ikev2_delete_tunnel_interface (km->vnet_main,
+ tmp, c);
+ ikev2_delete_sa (tmp);
+ }
+
+ vec_free (delete);
+ sa->initial_contact = 0;
+}
+
+static void
+ikev2_process_auth_req (vlib_main_t * vm, ikev2_sa_t * sa, ike_header_t * ike)
+{
+ ikev2_child_sa_t *first_child_sa;
+ int p = 0;
+ u32 len = clib_net_to_host_u32 (ike->length);
+ u8 payload = ike->nextpayload;
+ u8 *plaintext = 0;
+
+ ike_payload_header_t *ikep;
+ u32 plen;
+
+ clib_warning ("ispi %lx rspi %lx nextpayload %x version %x "
+ "exchange %x flags %x msgid %x length %u",
+ clib_net_to_host_u64 (ike->ispi),
+ clib_net_to_host_u64 (ike->rspi),
+ payload, ike->version,
+ ike->exchange, ike->flags,
+ clib_net_to_host_u32 (ike->msgid), len);
+
+ ikev2_calc_keys (sa);
+
+ plaintext = ikev2_decrypt_sk_payload (sa, ike, &payload);
+
+ if (!plaintext)
+ {
+ if (sa->unsupported_cp)
+ ikev2_set_state (sa, IKEV2_STATE_NOTIFY_AND_DELETE);
+ goto cleanup_and_exit;
+ }
+
+ /* select or create 1st child SA */
+ if (sa->is_initiator)
+ {
+ first_child_sa = &sa->childs[0];
+ }
+ else
+ {
+ ikev2_sa_free_all_child_sa (&sa->childs);
+ vec_add2 (sa->childs, first_child_sa, 1);
+ }
+
+
+ /* process encrypted payload */
+ p = 0;
+ while (p < vec_len (plaintext) && payload != IKEV2_PAYLOAD_NONE)
+ {
+ ikep = (ike_payload_header_t *) & plaintext[p];
+ plen = clib_net_to_host_u16 (ikep->length);
+
+ if (plen < sizeof (ike_payload_header_t))
+ goto cleanup_and_exit;
+
+ if (payload == IKEV2_PAYLOAD_SA) /* 33 */
+ {
+ clib_warning ("received payload SA, len %u", plen - sizeof (*ikep));
+ if (sa->is_initiator)
+ {
+ ikev2_sa_free_proposal_vector (&first_child_sa->r_proposals);
+ first_child_sa->r_proposals = ikev2_parse_sa_payload (ikep);
+ }
+ else
+ {
+ ikev2_sa_free_proposal_vector (&first_child_sa->i_proposals);
+ first_child_sa->i_proposals = ikev2_parse_sa_payload (ikep);
+ }
+ }
+ else if (payload == IKEV2_PAYLOAD_IDI) /* 35 */
+ {
+ ike_id_payload_header_t *id = (ike_id_payload_header_t *) ikep;
+
+ sa->i_id.type = id->id_type;
+ vec_free (sa->i_id.data);
+ vec_add (sa->i_id.data, id->payload, plen - sizeof (*id));
+
+ clib_warning ("received payload IDi, len %u id_type %u",
+ plen - sizeof (*id), id->id_type);
+ }
+ else if (payload == IKEV2_PAYLOAD_IDR) /* 36 */
+ {
+ ike_id_payload_header_t *id = (ike_id_payload_header_t *) ikep;
+
+ sa->r_id.type = id->id_type;
+ vec_free (sa->r_id.data);
+ vec_add (sa->r_id.data, id->payload, plen - sizeof (*id));
+
+ clib_warning ("received payload IDr len %u id_type %u",
+ plen - sizeof (*id), id->id_type);
+ }
+ else if (payload == IKEV2_PAYLOAD_AUTH) /* 39 */
+ {
+ ike_auth_payload_header_t *a = (ike_auth_payload_header_t *) ikep;
+
+ if (sa->is_initiator)
+ {
+ sa->r_auth.method = a->auth_method;
+ vec_free (sa->r_auth.data);
+ vec_add (sa->r_auth.data, a->payload, plen - sizeof (*a));
+ }
+ else
+ {
+ sa->i_auth.method = a->auth_method;
+ vec_free (sa->i_auth.data);
+ vec_add (sa->i_auth.data, a->payload, plen - sizeof (*a));
+ }
+
+ clib_warning ("received payload AUTH, len %u auth_type %u",
+ plen - sizeof (*a), a->auth_method);
+ }
+ else if (payload == IKEV2_PAYLOAD_NOTIFY) /* 41 */
+ {
+ ikev2_notify_t *n = ikev2_parse_notify_payload (ikep);
+ if (n->msg_type == IKEV2_NOTIFY_MSG_INITIAL_CONTACT)
+ {
+ sa->initial_contact = 1;
+ }
+ vec_free (n);
+ }
+ else if (payload == IKEV2_PAYLOAD_VENDOR) /* 43 */
+ {
+ ikev2_parse_vendor_payload (ikep);
+ }
+ else if (payload == IKEV2_PAYLOAD_TSI) /* 44 */
+ {
+ clib_warning ("received payload TSi, len %u",
+ plen - sizeof (*ikep));
+
+ vec_free (first_child_sa->tsi);
+ first_child_sa->tsi = ikev2_parse_ts_payload (ikep);
+ }
+ else if (payload == IKEV2_PAYLOAD_TSR) /* 45 */
+ {
+ clib_warning ("received payload TSr, len %u",
+ plen - sizeof (*ikep));
+
+ vec_free (first_child_sa->tsr);
+ first_child_sa->tsr = ikev2_parse_ts_payload (ikep);
+ }
+ else
+ {
+ clib_warning ("unknown payload %u flags %x length %u data %u",
+ payload, ikep->flags, plen - 4,
+ format_hex_bytes, ikep->payload, plen - 4);
+
+ if (ikep->flags & IKEV2_PAYLOAD_FLAG_CRITICAL)
+ {
+ ikev2_set_state (sa, IKEV2_STATE_NOTIFY_AND_DELETE);
+ sa->unsupported_cp = payload;
+ return;
+ }
+ }
+
+ payload = ikep->nextpayload;
+ p += plen;
+ }
+
+cleanup_and_exit:
+ vec_free (plaintext);
+}
+
+static void
+ikev2_process_informational_req (vlib_main_t * vm, ikev2_sa_t * sa,
+ ike_header_t * ike)
+{
+ int p = 0;
+ u32 len = clib_net_to_host_u32 (ike->length);
+ u8 payload = ike->nextpayload;
+ u8 *plaintext = 0;
+
+ ike_payload_header_t *ikep;
+ u32 plen;
+
+ clib_warning ("ispi %lx rspi %lx nextpayload %x version %x "
+ "exchange %x flags %x msgid %x length %u",
+ clib_net_to_host_u64 (ike->ispi),
+ clib_net_to_host_u64 (ike->rspi),
+ payload, ike->version,
+ ike->exchange, ike->flags,
+ clib_net_to_host_u32 (ike->msgid), len);
+
+ plaintext = ikev2_decrypt_sk_payload (sa, ike, &payload);
+
+ if (!plaintext)
+ goto cleanup_and_exit;
+
+ /* process encrypted payload */
+ p = 0;
+ while (p < vec_len (plaintext) && payload != IKEV2_PAYLOAD_NONE)
+ {
+ ikep = (ike_payload_header_t *) & plaintext[p];
+ plen = clib_net_to_host_u16 (ikep->length);
+
+ if (plen < sizeof (ike_payload_header_t))
+ goto cleanup_and_exit;
+
+ if (payload == IKEV2_PAYLOAD_NOTIFY) /* 41 */
+ {
+ ikev2_notify_t *n = ikev2_parse_notify_payload (ikep);
+ if (n->msg_type == IKEV2_NOTIFY_MSG_AUTHENTICATION_FAILED)
+ ikev2_set_state (sa, IKEV2_STATE_AUTH_FAILED);
+ vec_free (n);
+ }
+ else if (payload == IKEV2_PAYLOAD_DELETE) /* 42 */
+ {
+ sa->del = ikev2_parse_delete_payload (ikep);
+ }
+ else if (payload == IKEV2_PAYLOAD_VENDOR) /* 43 */
+ {
+ ikev2_parse_vendor_payload (ikep);
+ }
+ else
+ {
+ clib_warning ("unknown payload %u flags %x length %u data %u",
+ payload, ikep->flags, plen - 4,
+ format_hex_bytes, ikep->payload, plen - 4);
+
+ if (ikep->flags & IKEV2_PAYLOAD_FLAG_CRITICAL)
+ {
+ sa->unsupported_cp = payload;
+ return;
+ }
+ }
+
+ payload = ikep->nextpayload;
+ p += plen;
+ }
+
+cleanup_and_exit:
+ vec_free (plaintext);
+}
+
+static void
+ikev2_process_create_child_sa_req (vlib_main_t * vm, ikev2_sa_t * sa,
+ ike_header_t * ike)
+{
+ int p = 0;
+ u32 len = clib_net_to_host_u32 (ike->length);
+ u8 payload = ike->nextpayload;
+ u8 *plaintext = 0;
+ u8 rekeying = 0;
+ u8 nonce[IKEV2_NONCE_SIZE];
+
+ ike_payload_header_t *ikep;
+ u32 plen;
+ ikev2_notify_t *n = 0;
+ ikev2_ts_t *tsi = 0;
+ ikev2_ts_t *tsr = 0;
+ ikev2_sa_proposal_t *proposal = 0;
+ ikev2_child_sa_t *child_sa;
+
+ clib_warning ("ispi %lx rspi %lx nextpayload %x version %x "
+ "exchange %x flags %x msgid %x length %u",
+ clib_net_to_host_u64 (ike->ispi),
+ clib_net_to_host_u64 (ike->rspi),
+ payload, ike->version,
+ ike->exchange, ike->flags,
+ clib_net_to_host_u32 (ike->msgid), len);
+
+ plaintext = ikev2_decrypt_sk_payload (sa, ike, &payload);
+
+ if (!plaintext)
+ goto cleanup_and_exit;
+
+ /* process encrypted payload */
+ p = 0;
+ while (p < vec_len (plaintext) && payload != IKEV2_PAYLOAD_NONE)
+ {
+ ikep = (ike_payload_header_t *) & plaintext[p];
+ plen = clib_net_to_host_u16 (ikep->length);
+
+ if (plen < sizeof (ike_payload_header_t))
+ goto cleanup_and_exit;
+
+ else if (payload == IKEV2_PAYLOAD_SA)
+ {
+ proposal = ikev2_parse_sa_payload (ikep);
+ }
+ else if (payload == IKEV2_PAYLOAD_NOTIFY)
+ {
+ n = ikev2_parse_notify_payload (ikep);
+ if (n->msg_type == IKEV2_NOTIFY_MSG_REKEY_SA)
+ {
+ rekeying = 1;
+ }
+ }
+ else if (payload == IKEV2_PAYLOAD_DELETE)
+ {
+ sa->del = ikev2_parse_delete_payload (ikep);
+ }
+ else if (payload == IKEV2_PAYLOAD_VENDOR)
+ {
+ ikev2_parse_vendor_payload (ikep);
+ }
+ else if (payload == IKEV2_PAYLOAD_NONCE)
+ {
+ clib_memcpy_fast (nonce, ikep->payload, plen - sizeof (*ikep));
+ }
+ else if (payload == IKEV2_PAYLOAD_TSI)
+ {
+ tsi = ikev2_parse_ts_payload (ikep);
+ }
+ else if (payload == IKEV2_PAYLOAD_TSR)
+ {
+ tsr = ikev2_parse_ts_payload (ikep);
+ }
+ else
+ {
+ clib_warning ("unknown payload %u flags %x length %u data %u",
+ payload, ikep->flags, plen - 4,
+ format_hex_bytes, ikep->payload, plen - 4);
+
+ if (ikep->flags & IKEV2_PAYLOAD_FLAG_CRITICAL)
+ {
+ sa->unsupported_cp = payload;
+ return;
+ }
+ }
+
+ payload = ikep->nextpayload;
+ p += plen;
+ }
+
+ if (sa->is_initiator && proposal->protocol_id == IKEV2_PROTOCOL_ESP)
+ {
+ ikev2_rekey_t *rekey = &sa->rekey[0];
+ rekey->protocol_id = proposal->protocol_id;
+ rekey->i_proposal =
+ ikev2_select_proposal (proposal, IKEV2_PROTOCOL_ESP);
+ rekey->i_proposal->spi = rekey->spi;
+ rekey->r_proposal = proposal;
+ rekey->tsi = tsi;
+ rekey->tsr = tsr;
+ /* update Nr */
+ vec_free (sa->r_nonce);
+ vec_add (sa->r_nonce, nonce, IKEV2_NONCE_SIZE);
+ child_sa = ikev2_sa_get_child (sa, rekey->ispi, IKEV2_PROTOCOL_ESP, 1);
+ if (child_sa)
+ {
+ child_sa->rekey_retries = 0;
+ }
+ }
+ else if (rekeying)
+ {
+ ikev2_rekey_t *rekey;
+ child_sa = ikev2_sa_get_child (sa, n->spi, n->protocol_id, 1);
+ if (!child_sa)
+ {
+ clib_warning ("child SA spi %lx not found", n->spi);
+ goto cleanup_and_exit;
+ }
+ vec_add2 (sa->rekey, rekey, 1);
+ rekey->protocol_id = n->protocol_id;
+ rekey->spi = n->spi;
+ rekey->i_proposal = proposal;
+ rekey->r_proposal =
+ ikev2_select_proposal (proposal, IKEV2_PROTOCOL_ESP);
+ rekey->tsi = tsi;
+ rekey->tsr = tsr;
+ /* update Ni */
+ vec_free (sa->i_nonce);
+ vec_add (sa->i_nonce, nonce, IKEV2_NONCE_SIZE);
+ /* generate new Nr */
+ vec_free (sa->r_nonce);
+ sa->r_nonce = vec_new (u8, IKEV2_NONCE_SIZE);
+ RAND_bytes ((u8 *) sa->r_nonce, IKEV2_NONCE_SIZE);
+ }
+
+cleanup_and_exit:
+ vec_free (plaintext);
+ vec_free (n);
+}
+
+static u8 *
+ikev2_sa_generate_authmsg (ikev2_sa_t * sa, int is_responder)
+{
+ u8 *authmsg = 0;
+ u8 *data;
+ u8 *nonce;
+ ikev2_id_t *id;
+ u8 *key;
+ u8 *packet_data;
+ ikev2_sa_transform_t *tr_prf;
+
+ tr_prf =
+ ikev2_sa_get_td_for_type (sa->r_proposals, IKEV2_TRANSFORM_TYPE_PRF);
+
+ if (is_responder)
+ {
+ id = &sa->r_id;
+ key = sa->sk_pr;
+ nonce = sa->i_nonce;
+ packet_data = sa->last_sa_init_res_packet_data;
+ }
+ else
+ {
+ id = &sa->i_id;
+ key = sa->sk_pi;
+ nonce = sa->r_nonce;
+ packet_data = sa->last_sa_init_req_packet_data;
+ }
+
+ data = vec_new (u8, 4);
+ data[0] = id->type;
+ vec_append (data, id->data);
+
+ u8 *id_hash = ikev2_calc_prf (tr_prf, key, data);
+ vec_append (authmsg, packet_data);
+ vec_append (authmsg, nonce);
+ vec_append (authmsg, id_hash);
+ vec_free (id_hash);
+ vec_free (data);
+
+ return authmsg;
+}
+
+static int
+ikev2_ts_cmp (ikev2_ts_t * ts1, ikev2_ts_t * ts2)
+{
+ if (ts1->ts_type == ts2->ts_type && ts1->protocol_id == ts2->protocol_id &&
+ ts1->start_port == ts2->start_port && ts1->end_port == ts2->end_port &&
+ ts1->start_addr.as_u32 == ts2->start_addr.as_u32 &&
+ ts1->end_addr.as_u32 == ts2->end_addr.as_u32)
+ return 1;
+
+ return 0;
+}
+
+static void
+ikev2_sa_match_ts (ikev2_sa_t * sa)
+{
+ ikev2_main_t *km = &ikev2_main;
+ ikev2_profile_t *p;
+ ikev2_ts_t *ts, *p_tsi, *p_tsr, *tsi = 0, *tsr = 0;
+ ikev2_id_t *id;
+
+ /* *INDENT-OFF* */
+ pool_foreach (p, km->profiles, ({
+
+ if (sa->is_initiator)
+ {
+ p_tsi = &p->loc_ts;
+ p_tsr = &p->rem_ts;
+ id = &sa->r_id;
+ }
+ else
+ {
+ p_tsi = &p->rem_ts;
+ p_tsr = &p->loc_ts;
+ id = &sa->i_id;
+ }
+
+ /* check id */
+ if (p->rem_id.type != id->type ||
+ vec_len(p->rem_id.data) != vec_len(id->data) ||
+ memcmp(p->rem_id.data, id->data, vec_len(p->rem_id.data)))
+ continue;
+
+ vec_foreach(ts, sa->childs[0].tsi)
+ {
+ if (ikev2_ts_cmp(p_tsi, ts))
+ {
+ tsi = vec_dup(ts);
+ break;
+ }
+ }
+
+ vec_foreach(ts, sa->childs[0].tsr)
+ {
+ if (ikev2_ts_cmp(p_tsr, ts))
+ {
+ tsr = vec_dup(ts);
+ break;
+ }
+ }
+
+ break;
+ }));
+ /* *INDENT-ON* */
+
+ if (tsi && tsr)
+ {
+ vec_free (sa->childs[0].tsi);
+ vec_free (sa->childs[0].tsr);
+ sa->childs[0].tsi = tsi;
+ sa->childs[0].tsr = tsr;
+ }
+ else
+ {
+ vec_free (tsi);
+ vec_free (tsr);
+ ikev2_set_state (sa, IKEV2_STATE_TS_UNACCEPTABLE);
+ }
+}
+
+static void
+ikev2_sa_auth (ikev2_sa_t * sa)
+{
+ ikev2_main_t *km = &ikev2_main;
+ ikev2_profile_t *p, *sel_p = 0;
+ u8 *authmsg, *key_pad, *psk = 0, *auth = 0;
+ ikev2_sa_transform_t *tr_prf;
+
+ tr_prf =
+ ikev2_sa_get_td_for_type (sa->r_proposals, IKEV2_TRANSFORM_TYPE_PRF);
+
+ /* only shared key and rsa signature */
+ if (!(sa->i_auth.method == IKEV2_AUTH_METHOD_SHARED_KEY_MIC ||
+ sa->i_auth.method == IKEV2_AUTH_METHOD_RSA_SIG))
+ {
+ clib_warning ("unsupported authentication method %u",
+ sa->i_auth.method);
+ ikev2_set_state (sa, IKEV2_STATE_AUTH_FAILED);
+ return;
+ }
+
+ key_pad = format (0, "%s", IKEV2_KEY_PAD);
+ authmsg = ikev2_sa_generate_authmsg (sa, sa->is_initiator);
+
+ ikev2_id_t *sa_id;
+ ikev2_auth_t *sa_auth;
+
+ if (sa->is_initiator)
+ {
+ sa_id = &sa->r_id;
+ sa_auth = &sa->r_auth;
+ }
+ else
+ {
+ sa_id = &sa->i_id;
+ sa_auth = &sa->i_auth;
+ }
+
+ /* *INDENT-OFF* */
+ pool_foreach (p, km->profiles, ({
+
+ /* check id */
+ if (p->rem_id.type != sa_id->type ||
+ vec_len(p->rem_id.data) != vec_len(sa_id->data) ||
+ memcmp(p->rem_id.data, sa_id->data, vec_len(p->rem_id.data)))
+ continue;
+
+ if (sa_auth->method == IKEV2_AUTH_METHOD_SHARED_KEY_MIC)
+ {
+ if (!p->auth.data ||
+ p->auth.method != IKEV2_AUTH_METHOD_SHARED_KEY_MIC)
+ continue;
+
+ psk = ikev2_calc_prf(tr_prf, p->auth.data, key_pad);
+ auth = ikev2_calc_prf(tr_prf, psk, authmsg);
+
+ if (!memcmp(auth, sa_auth->data, vec_len(sa_auth->data)))
+ {
+ ikev2_set_state(sa, IKEV2_STATE_AUTHENTICATED);
+ vec_free(auth);
+ sel_p = p;
+ break;
+ }
+
+ }
+ else if (sa_auth->method == IKEV2_AUTH_METHOD_RSA_SIG)
+ {
+ if (p->auth.method != IKEV2_AUTH_METHOD_RSA_SIG)
+ continue;
+
+ if (ikev2_verify_sign(p->auth.key, sa_auth->data, authmsg) == 1)
+ {
+ ikev2_set_state(sa, IKEV2_STATE_AUTHENTICATED);
+ sel_p = p;
+ break;
+ }
+ }
+
+ vec_free(auth);
+ vec_free(psk);
+ }));
+ /* *INDENT-ON* */
+
+ vec_free (authmsg);
+
+ if (sa->state == IKEV2_STATE_AUTHENTICATED)
+ {
+ if (!sa->is_initiator)
+ {
+ vec_free (sa->r_id.data);
+ sa->r_id.data = vec_dup (sel_p->loc_id.data);
+ sa->r_id.type = sel_p->loc_id.type;
+
+ /* generate our auth data */
+ authmsg = ikev2_sa_generate_authmsg (sa, 1);
+ if (sel_p->auth.method == IKEV2_AUTH_METHOD_SHARED_KEY_MIC)
+ {
+ sa->r_auth.data = ikev2_calc_prf (tr_prf, psk, authmsg);
+ sa->r_auth.method = IKEV2_AUTH_METHOD_SHARED_KEY_MIC;
+ }
+ else if (sel_p->auth.method == IKEV2_AUTH_METHOD_RSA_SIG)
+ {
+ sa->r_auth.data = ikev2_calc_sign (km->pkey, authmsg);
+ sa->r_auth.method = IKEV2_AUTH_METHOD_RSA_SIG;
+ }
+ vec_free (authmsg);
+
+ /* select transforms for 1st child sa */
+ ikev2_sa_free_proposal_vector (&sa->childs[0].r_proposals);
+ sa->childs[0].r_proposals =
+ ikev2_select_proposal (sa->childs[0].i_proposals,
+ IKEV2_PROTOCOL_ESP);
+ }
+ }
+ else
+ {
+ ikev2_set_state (sa, IKEV2_STATE_AUTH_FAILED);
+ }
+ vec_free (psk);
+ vec_free (key_pad);
+}
+
+
+static void
+ikev2_sa_auth_init (ikev2_sa_t * sa)
+{
+ ikev2_main_t *km = &ikev2_main;
+ u8 *authmsg, *key_pad, *psk = 0, *auth = 0;
+ ikev2_sa_transform_t *tr_prf;
+
+ tr_prf =
+ ikev2_sa_get_td_for_type (sa->r_proposals, IKEV2_TRANSFORM_TYPE_PRF);
+
+ /* only shared key and rsa signature */
+ if (!(sa->i_auth.method == IKEV2_AUTH_METHOD_SHARED_KEY_MIC ||
+ sa->i_auth.method == IKEV2_AUTH_METHOD_RSA_SIG))
+ {
+ clib_warning ("unsupported authentication method %u",
+ sa->i_auth.method);
+ ikev2_set_state (sa, IKEV2_STATE_AUTH_FAILED);
+ return;
+ }
+
+ key_pad = format (0, "%s", IKEV2_KEY_PAD);
+ authmsg = ikev2_sa_generate_authmsg (sa, 0);
+ psk = ikev2_calc_prf (tr_prf, sa->i_auth.data, key_pad);
+ auth = ikev2_calc_prf (tr_prf, psk, authmsg);
+
+
+ if (sa->i_auth.method == IKEV2_AUTH_METHOD_SHARED_KEY_MIC)
+ {
+ sa->i_auth.data = ikev2_calc_prf (tr_prf, psk, authmsg);
+ sa->i_auth.method = IKEV2_AUTH_METHOD_SHARED_KEY_MIC;
+ }
+ else if (sa->i_auth.method == IKEV2_AUTH_METHOD_RSA_SIG)
+ {
+ sa->i_auth.data = ikev2_calc_sign (km->pkey, authmsg);
+ sa->i_auth.method = IKEV2_AUTH_METHOD_RSA_SIG;
+ }
+
+ vec_free (psk);
+ vec_free (key_pad);
+ vec_free (auth);
+ vec_free (authmsg);
+}
+
+
+static int
+ikev2_create_tunnel_interface (vnet_main_t * vnm, ikev2_sa_t * sa,
+ ikev2_child_sa_t * child)
+{
+ ipsec_add_del_tunnel_args_t a;
+ ikev2_sa_transform_t *tr;
+ ikev2_sa_proposal_t *proposals;
+ u8 encr_type = 0;
+ u8 integ_type = 0;
+
+ if (!child->r_proposals)
+ {
+ ikev2_set_state (sa, IKEV2_STATE_NO_PROPOSAL_CHOSEN);
+ return 1;
+ }
+
+ clib_memset (&a, 0, sizeof (a));
+ a.is_add = 1;
+ if (sa->is_initiator)
+ {
+ a.local_ip.ip4.as_u32 = sa->iaddr.as_u32;
+ a.remote_ip.ip4.as_u32 = sa->raddr.as_u32;
+ proposals = child->i_proposals;
+ a.local_spi = child->r_proposals[0].spi;
+ a.remote_spi = child->i_proposals[0].spi;
+ }
+ else
+ {
+ a.local_ip.ip4.as_u32 = sa->raddr.as_u32;
+ a.remote_ip.ip4.as_u32 = sa->iaddr.as_u32;
+ proposals = child->r_proposals;
+ a.local_spi = child->i_proposals[0].spi;
+ a.remote_spi = child->r_proposals[0].spi;
+ }
+ a.anti_replay = 1;
+
+ tr = ikev2_sa_get_td_for_type (proposals, IKEV2_TRANSFORM_TYPE_ESN);
+ if (tr)
+ a.esn = tr->esn_type;
+ else
+ a.esn = 0;
+
+ tr = ikev2_sa_get_td_for_type (proposals, IKEV2_TRANSFORM_TYPE_ENCR);
+ if (tr)
+ {
+ if (tr->encr_type == IKEV2_TRANSFORM_ENCR_TYPE_AES_CBC && tr->key_len)
+ {
+ switch (tr->key_len)
+ {
+ case 16:
+ encr_type = IPSEC_CRYPTO_ALG_AES_CBC_128;
+ break;
+ case 24:
+ encr_type = IPSEC_CRYPTO_ALG_AES_CBC_192;
+ break;
+ case 32:
+ encr_type = IPSEC_CRYPTO_ALG_AES_CBC_256;
+ break;
+ default:
+ ikev2_set_state (sa, IKEV2_STATE_NO_PROPOSAL_CHOSEN);
+ return 1;
+ break;
+ }
+ }
+ else
+ {
+ ikev2_set_state (sa, IKEV2_STATE_NO_PROPOSAL_CHOSEN);
+ return 1;
+ }
+ }
+ else
+ {
+ ikev2_set_state (sa, IKEV2_STATE_NO_PROPOSAL_CHOSEN);
+ return 1;
+ }
+
+ tr = ikev2_sa_get_td_for_type (proposals, IKEV2_TRANSFORM_TYPE_INTEG);
+ if (tr)
+ {
+ switch (tr->integ_type)
+ {
+ case IKEV2_TRANSFORM_INTEG_TYPE_AUTH_HMAC_SHA2_256_128:
+ integ_type = IPSEC_INTEG_ALG_SHA_256_128;
+ break;
+ case IKEV2_TRANSFORM_INTEG_TYPE_AUTH_HMAC_SHA2_384_192:
+ integ_type = IPSEC_INTEG_ALG_SHA_384_192;
+ break;
+ case IKEV2_TRANSFORM_INTEG_TYPE_AUTH_HMAC_SHA2_512_256:
+ integ_type = IPSEC_INTEG_ALG_SHA_512_256;
+ break;
+ case IKEV2_TRANSFORM_INTEG_TYPE_AUTH_HMAC_SHA1_96:
+ integ_type = IPSEC_INTEG_ALG_SHA1_96;
+ break;
+ default:
+ ikev2_set_state (sa, IKEV2_STATE_NO_PROPOSAL_CHOSEN);
+ return 1;
+ }
+ }
+ else
+ {
+ ikev2_set_state (sa, IKEV2_STATE_NO_PROPOSAL_CHOSEN);
+ return 1;
+ }
+
+ ikev2_calc_child_keys (sa, child);
+
+ u8 *loc_ckey, *rem_ckey, *loc_ikey, *rem_ikey;
+ if (sa->is_initiator)
+ {
+ loc_ikey = child->sk_ai;
+ rem_ikey = child->sk_ar;
+ loc_ckey = child->sk_ei;
+ rem_ckey = child->sk_er;
+ }
+ else
+ {
+ loc_ikey = child->sk_ar;
+ rem_ikey = child->sk_ai;
+ loc_ckey = child->sk_er;
+ rem_ckey = child->sk_ei;
+ }
+
+ a.integ_alg = integ_type;
+ a.local_integ_key_len = vec_len (loc_ikey);
+ clib_memcpy_fast (a.local_integ_key, loc_ikey, a.local_integ_key_len);
+ a.remote_integ_key_len = vec_len (rem_ikey);
+ clib_memcpy_fast (a.remote_integ_key, rem_ikey, a.remote_integ_key_len);
+
+ a.crypto_alg = encr_type;
+ a.local_crypto_key_len = vec_len (loc_ckey);
+ clib_memcpy_fast (a.local_crypto_key, loc_ckey, a.local_crypto_key_len);
+ a.remote_crypto_key_len = vec_len (rem_ckey);
+ clib_memcpy_fast (a.remote_crypto_key, rem_ckey, a.remote_crypto_key_len);
+
+ if (sa->profile && sa->profile->lifetime)
+ {
+ child->time_to_expiration = vlib_time_now (vnm->vlib_main)
+ + sa->profile->lifetime;
+ if (sa->profile->lifetime_jitter)
+ {
+ // This is not much better than rand(3), which Coverity warns
+ // is unsuitable for security applications; random_u32 is
+ // however fast. If this perturbance to the expiration time
+ // needs to use a better RNG then we may need to use something
+ // like /dev/urandom which has significant overhead.
+ u32 rnd = (u32) (vlib_time_now (vnm->vlib_main) * 1e6);
+ rnd = random_u32 (&rnd);
+
+ child->time_to_expiration +=
+ 1 + (rnd % sa->profile->lifetime_jitter);
+ }
+ }
+
+ ipsec_add_del_tunnel_if (&a);
+
+ return 0;
+}
+
+static int
+ikev2_delete_tunnel_interface (vnet_main_t * vnm, ikev2_sa_t * sa,
+ ikev2_child_sa_t * child)
+{
+ ipsec_add_del_tunnel_args_t a;
+
+ if (sa->is_initiator)
+ {
+ if (!vec_len (child->i_proposals))
+ return 0;
+
+ a.is_add = 0;
+ a.local_ip.ip4.as_u32 = sa->iaddr.as_u32;
+ a.remote_ip.ip4.as_u32 = sa->raddr.as_u32;
+ a.local_spi = child->r_proposals[0].spi;
+ a.remote_spi = child->i_proposals[0].spi;
+ }
+ else
+ {
+ if (!vec_len (child->r_proposals))
+ return 0;
+
+ a.is_add = 0;
+ a.local_ip.ip4.as_u32 = sa->raddr.as_u32;
+ a.remote_ip.ip4.as_u32 = sa->iaddr.as_u32;
+ a.local_spi = child->i_proposals[0].spi;
+ a.remote_spi = child->r_proposals[0].spi;
+ }
+
+ ipsec_add_del_tunnel_if (&a);
+ return 0;
+}
+
+static u32
+ikev2_generate_message (ikev2_sa_t * sa, ike_header_t * ike, void *user)
+{
+ v8 *integ = 0;
+ ike_payload_header_t *ph;
+ u16 plen;
+ u32 tlen = 0;
+
+ ikev2_sa_transform_t *tr_encr, *tr_integ;
+ tr_encr =
+ ikev2_sa_get_td_for_type (sa->r_proposals, IKEV2_TRANSFORM_TYPE_ENCR);
+ tr_integ =
+ ikev2_sa_get_td_for_type (sa->r_proposals, IKEV2_TRANSFORM_TYPE_INTEG);
+
+ ikev2_payload_chain_t *chain = 0;
+ ikev2_payload_new_chain (chain);
+
+ if (ike->exchange == IKEV2_EXCHANGE_SA_INIT)
+ {
+ if (sa->r_proposals == 0)
+ {
+ ikev2_payload_add_notify (chain,
+ IKEV2_NOTIFY_MSG_NO_PROPOSAL_CHOSEN, 0);
+ ikev2_set_state (sa, IKEV2_STATE_NOTIFY_AND_DELETE);
+ }
+ else if (sa->dh_group == IKEV2_TRANSFORM_DH_TYPE_NONE)
+ {
+ u8 *data = vec_new (u8, 2);
+ ikev2_sa_transform_t *tr_dh;
+ tr_dh =
+ ikev2_sa_get_td_for_type (sa->r_proposals,
+ IKEV2_TRANSFORM_TYPE_DH);
+ ASSERT (tr_dh && tr_dh->dh_type);
+
+ data[0] = (tr_dh->dh_type >> 8) & 0xff;
+ data[1] = (tr_dh->dh_type) & 0xff;
+
+ ikev2_payload_add_notify (chain,
+ IKEV2_NOTIFY_MSG_INVALID_KE_PAYLOAD,
+ data);
+ vec_free (data);
+ ikev2_set_state (sa, IKEV2_STATE_NOTIFY_AND_DELETE);
+ }
+ else if (sa->state == IKEV2_STATE_NOTIFY_AND_DELETE)
+ {
+ u8 *data = vec_new (u8, 1);
+
+ data[0] = sa->unsupported_cp;
+ ikev2_payload_add_notify (chain,
+ IKEV2_NOTIFY_MSG_UNSUPPORTED_CRITICAL_PAYLOAD,
+ data);
+ vec_free (data);
+ }
+ else
+ {
+ ike->rspi = clib_host_to_net_u64 (sa->rspi);
+ ikev2_payload_add_sa (chain, sa->r_proposals);
+ ikev2_payload_add_ke (chain, sa->dh_group, sa->r_dh_data);
+ ikev2_payload_add_nonce (chain, sa->r_nonce);
+ }
+ }
+ else if (ike->exchange == IKEV2_EXCHANGE_IKE_AUTH)
+ {
+ if (sa->state == IKEV2_STATE_AUTHENTICATED)
+ {
+ ikev2_payload_add_id (chain, &sa->r_id, IKEV2_PAYLOAD_IDR);
+ ikev2_payload_add_auth (chain, &sa->r_auth);
+ ikev2_payload_add_sa (chain, sa->childs[0].r_proposals);
+ ikev2_payload_add_ts (chain, sa->childs[0].tsi, IKEV2_PAYLOAD_TSI);
+ ikev2_payload_add_ts (chain, sa->childs[0].tsr, IKEV2_PAYLOAD_TSR);
+ }
+ else if (sa->state == IKEV2_STATE_AUTH_FAILED)
+ {
+ ikev2_payload_add_notify (chain,
+ IKEV2_NOTIFY_MSG_AUTHENTICATION_FAILED,
+ 0);
+ ikev2_set_state (sa, IKEV2_STATE_NOTIFY_AND_DELETE);
+ }
+ else if (sa->state == IKEV2_STATE_TS_UNACCEPTABLE)
+ {
+ ikev2_payload_add_notify (chain, IKEV2_NOTIFY_MSG_TS_UNACCEPTABLE,
+ 0);
+ ikev2_payload_add_id (chain, &sa->r_id, IKEV2_PAYLOAD_IDR);
+ ikev2_payload_add_auth (chain, &sa->r_auth);
+ }
+ else if (sa->state == IKEV2_STATE_NO_PROPOSAL_CHOSEN)
+ {
+ ikev2_payload_add_notify (chain,
+ IKEV2_NOTIFY_MSG_NO_PROPOSAL_CHOSEN, 0);
+ ikev2_payload_add_id (chain, &sa->r_id, IKEV2_PAYLOAD_IDR);
+ ikev2_payload_add_auth (chain, &sa->r_auth);
+ ikev2_payload_add_ts (chain, sa->childs[0].tsi, IKEV2_PAYLOAD_TSI);
+ ikev2_payload_add_ts (chain, sa->childs[0].tsr, IKEV2_PAYLOAD_TSR);
+ }
+ else if (sa->state == IKEV2_STATE_NOTIFY_AND_DELETE)
+ {
+ u8 *data = vec_new (u8, 1);
+
+ data[0] = sa->unsupported_cp;
+ ikev2_payload_add_notify (chain,
+ IKEV2_NOTIFY_MSG_UNSUPPORTED_CRITICAL_PAYLOAD,
+ data);
+ vec_free (data);
+ }
+ else if (sa->state == IKEV2_STATE_SA_INIT)
+ {
+ ikev2_payload_add_id (chain, &sa->i_id, IKEV2_PAYLOAD_IDI);
+ ikev2_payload_add_auth (chain, &sa->i_auth);
+ ikev2_payload_add_sa (chain, sa->childs[0].i_proposals);
+ ikev2_payload_add_ts (chain, sa->childs[0].tsi, IKEV2_PAYLOAD_TSI);
+ ikev2_payload_add_ts (chain, sa->childs[0].tsr, IKEV2_PAYLOAD_TSR);
+ }
+ else
+ {
+ ikev2_set_state (sa, IKEV2_STATE_DELETED);
+ goto done;
+ }
+ }
+ else if (ike->exchange == IKEV2_EXCHANGE_INFORMATIONAL)
+ {
+ /* if pending delete */
+ if (sa->del)
+ {
+ if (sa->del[0].protocol_id == IKEV2_PROTOCOL_IKE)
+ {
+ if (sa->is_initiator)
+ ikev2_payload_add_delete (chain, sa->del);
+
+ /* The response to a request that deletes the IKE SA is an empty
+ INFORMATIONAL response. */
+ ikev2_set_state (sa, IKEV2_STATE_NOTIFY_AND_DELETE);
+ }
+ /* The response to a request that deletes ESP or AH SAs will contain
+ delete payloads for the paired SAs going in the other direction. */
+ else
+ {
+ ikev2_payload_add_delete (chain, sa->del);
+ }
+ vec_free (sa->del);
+ sa->del = 0;
+ }
+ /* received N(AUTHENTICATION_FAILED) */
+ else if (sa->state == IKEV2_STATE_AUTH_FAILED)
+ {
+ ikev2_set_state (sa, IKEV2_STATE_DELETED);
+ goto done;
+ }
+ /* received unsupported critical payload */
+ else if (sa->unsupported_cp)
+ {
+ u8 *data = vec_new (u8, 1);
+
+ data[0] = sa->unsupported_cp;
+ ikev2_payload_add_notify (chain,
+ IKEV2_NOTIFY_MSG_UNSUPPORTED_CRITICAL_PAYLOAD,
+ data);
+ vec_free (data);
+ sa->unsupported_cp = 0;
+ }
+ /* else send empty response */
+ }
+ else if (ike->exchange == IKEV2_EXCHANGE_CREATE_CHILD_SA)
+ {
+ if (sa->is_initiator)
+ {
+
+ ikev2_sa_proposal_t *proposals = (ikev2_sa_proposal_t *) user;
+ ikev2_notify_t notify;
+ u8 *data = vec_new (u8, 4);
+ clib_memset (&notify, 0, sizeof (notify));
+ notify.protocol_id = IKEV2_PROTOCOL_ESP;
+ notify.spi = sa->childs[0].i_proposals->spi;
+ *(u32 *) data = clib_host_to_net_u32 (notify.spi);
+
+ ikev2_payload_add_sa (chain, proposals);
+ ikev2_payload_add_nonce (chain, sa->i_nonce);
+ ikev2_payload_add_ts (chain, sa->childs[0].tsi, IKEV2_PAYLOAD_TSI);
+ ikev2_payload_add_ts (chain, sa->childs[0].tsr, IKEV2_PAYLOAD_TSR);
+ ikev2_payload_add_notify_2 (chain, IKEV2_NOTIFY_MSG_REKEY_SA, data,
+ &notify);
+
+ vec_free (data);
+ }
+ else
+ {
+ if (sa->rekey)
+ {
+ ikev2_payload_add_sa (chain, sa->rekey[0].r_proposal);
+ ikev2_payload_add_nonce (chain, sa->r_nonce);
+ ikev2_payload_add_ts (chain, sa->rekey[0].tsi,
+ IKEV2_PAYLOAD_TSI);
+ ikev2_payload_add_ts (chain, sa->rekey[0].tsr,
+ IKEV2_PAYLOAD_TSR);
+ vec_del1 (sa->rekey, 0);
+ }
+ else if (sa->unsupported_cp)
+ {
+ u8 *data = vec_new (u8, 1);
+
+ data[0] = sa->unsupported_cp;
+ ikev2_payload_add_notify (chain,
+ IKEV2_NOTIFY_MSG_UNSUPPORTED_CRITICAL_PAYLOAD,
+ data);
+ vec_free (data);
+ sa->unsupported_cp = 0;
+ }
+ else
+ {
+ ikev2_payload_add_notify (chain,
+ IKEV2_NOTIFY_MSG_NO_ADDITIONAL_SAS,
+ 0);
+ }
+ }
+ }
+
+ /* IKEv2 header */
+ ike->version = IKE_VERSION_2;
+ ike->nextpayload = IKEV2_PAYLOAD_SK;
+ tlen = sizeof (*ike);
+ if (sa->is_initiator)
+ {
+ ike->flags = IKEV2_HDR_FLAG_INITIATOR;
+ sa->last_init_msg_id = clib_net_to_host_u32 (ike->msgid);
+ }
+ else
+ {
+ ike->flags = IKEV2_HDR_FLAG_RESPONSE;
+ }
+
+
+ if (ike->exchange == IKEV2_EXCHANGE_SA_INIT)
+ {
+ tlen += vec_len (chain->data);
+ ike->nextpayload = chain->first_payload_type;
+ ike->length = clib_host_to_net_u32 (tlen);
+ clib_memcpy_fast (ike->payload, chain->data, vec_len (chain->data));
+
+ /* store whole IKE payload - needed for PSK auth */
+ vec_free (sa->last_sa_init_res_packet_data);
+ vec_add (sa->last_sa_init_res_packet_data, ike, tlen);
+ }
+ else
+ {
+
+ ikev2_payload_chain_add_padding (chain, tr_encr->block_size);
+
+ /* SK payload */
+ plen = sizeof (*ph);
+ ph = (ike_payload_header_t *) & ike->payload[0];
+ ph->nextpayload = chain->first_payload_type;
+ ph->flags = 0;
+ int enc_len = ikev2_encrypt_data (sa, chain->data, ph->payload);
+ plen += enc_len;
+
+ /* add space for hmac */
+ plen += tr_integ->key_trunc;
+ tlen += plen;
+
+ /* payload and total length */
+ ph->length = clib_host_to_net_u16 (plen);
+ ike->length = clib_host_to_net_u32 (tlen);
+
+ /* calc integrity data for whole packet except hash itself */
+ integ =
+ ikev2_calc_integr (tr_integ, sa->is_initiator ? sa->sk_ai : sa->sk_ar,
+ (u8 *) ike, tlen - tr_integ->key_trunc);
+
+ clib_memcpy_fast (ike->payload + tlen - tr_integ->key_trunc -
+ sizeof (*ike), integ, tr_integ->key_trunc);
+
+ /* store whole IKE payload - needed for retransmit */
+ vec_free (sa->last_res_packet_data);
+ vec_add (sa->last_res_packet_data, ike, tlen);
+ }
+
+done:
+ ikev2_payload_destroy_chain (chain);
+ vec_free (integ);
+ return tlen;
+}
+
+static int
+ikev2_retransmit_sa_init (ike_header_t * ike,
+ ip4_address_t iaddr, ip4_address_t raddr)
+{
+ ikev2_main_t *km = &ikev2_main;
+ ikev2_sa_t *sa;
+ u32 thread_index = vlib_get_thread_index ();
+
+ /* *INDENT-OFF* */
+ pool_foreach (sa, km->per_thread_data[thread_index].sas, ({
+ if (sa->ispi == clib_net_to_host_u64(ike->ispi) &&
+ sa->iaddr.as_u32 == iaddr.as_u32 &&
+ sa->raddr.as_u32 == raddr.as_u32)
+ {
+ int p = 0;
+ u32 len = clib_net_to_host_u32(ike->length);
+ u8 payload = ike->nextpayload;
+
+ while (p < len && payload!= IKEV2_PAYLOAD_NONE) {
+ ike_payload_header_t * ikep = (ike_payload_header_t *) &ike->payload[p];
+ u32 plen = clib_net_to_host_u16(ikep->length);
+
+ if (plen < sizeof(ike_payload_header_t))
+ return -1;
+
+ if (payload == IKEV2_PAYLOAD_NONCE)
+ {
+ if (!memcmp(sa->i_nonce, ikep->payload, plen - sizeof(*ikep)))
+ {
+ /* req is retransmit */
+ if (sa->state == IKEV2_STATE_SA_INIT)
+ {
+ ike_header_t * tmp;
+ tmp = (ike_header_t*)sa->last_sa_init_res_packet_data;
+ ike->ispi = tmp->ispi;
+ ike->rspi = tmp->rspi;
+ ike->nextpayload = tmp->nextpayload;
+ ike->version = tmp->version;
+ ike->exchange = tmp->exchange;
+ ike->flags = tmp->flags;
+ ike->msgid = tmp->msgid;
+ ike->length = tmp->length;
+ clib_memcpy_fast(ike->payload, tmp->payload,
+ clib_net_to_host_u32(tmp->length) - sizeof(*ike));
+ clib_warning("IKE_SA_INIT retransmit from %U to %U",
+ format_ip4_address, &raddr,
+ format_ip4_address, &iaddr);
+ return 1;
+ }
+ /* else ignore req */
+ else
+ {
+ clib_warning("IKE_SA_INIT ignore from %U to %U",
+ format_ip4_address, &raddr,
+ format_ip4_address, &iaddr);
+ return -1;
+ }
+ }
+ }
+ payload = ikep->nextpayload;
+ p+=plen;
+ }
+ }
+ }));
+ /* *INDENT-ON* */
+
+ /* req is not retransmit */
+ return 0;
+}
+
+static int
+ikev2_retransmit_resp (ikev2_sa_t * sa, ike_header_t * ike)
+{
+ u32 msg_id = clib_net_to_host_u32 (ike->msgid);
+
+ /* new req */
+ if (msg_id > sa->last_msg_id)
+ {
+ sa->last_msg_id = msg_id;
+ return 0;
+ }
+ /* retransmitted req */
+ else if (msg_id == sa->last_msg_id)
+ {
+ ike_header_t *tmp;
+ tmp = (ike_header_t *) sa->last_res_packet_data;
+ ike->ispi = tmp->ispi;
+ ike->rspi = tmp->rspi;
+ ike->nextpayload = tmp->nextpayload;
+ ike->version = tmp->version;
+ ike->exchange = tmp->exchange;
+ ike->flags = tmp->flags;
+ ike->msgid = tmp->msgid;
+ ike->length = tmp->length;
+ clib_memcpy_fast (ike->payload, tmp->payload,
+ clib_net_to_host_u32 (tmp->length) - sizeof (*ike));
+ clib_warning ("IKE msgid %u retransmit from %U to %U",
+ msg_id,
+ format_ip4_address, &sa->raddr,
+ format_ip4_address, &sa->iaddr);
+ return 1;
+ }
+ /* old req ignore */
+ else
+ {
+ clib_warning ("IKE msgid %u req ignore from %U to %U",
+ msg_id,
+ format_ip4_address, &sa->raddr,
+ format_ip4_address, &sa->iaddr);
+ return -1;
+ }
+}
+
+
+static uword
+ikev2_node_fn (vlib_main_t * vm,
+ vlib_node_runtime_t * node, vlib_frame_t * frame)
+{
+ u32 n_left_from, *from, *to_next;
+ ikev2_next_t next_index;
+ ikev2_main_t *km = &ikev2_main;
+ u32 thread_index = vlib_get_thread_index ();
+
+ from = vlib_frame_vector_args (frame);
+ n_left_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;
+ vlib_buffer_t *b0;
+ u32 next0 = IKEV2_NEXT_ERROR_DROP;
+ u32 sw_if_index0;
+ ip4_header_t *ip40;
+ udp_header_t *udp0;
+ ike_header_t *ike0;
+ ikev2_sa_t *sa0 = 0;
+ ikev2_sa_t sa; /* temporary store for SA */
+ int len = 0;
+ int r;
+
+ /* speculatively enqueue b0 to the current next frame */
+ bi0 = from[0];
+ to_next[0] = bi0;
+ from += 1;
+ to_next += 1;
+ n_left_from -= 1;
+ n_left_to_next -= 1;
+
+ b0 = vlib_get_buffer (vm, bi0);
+ ike0 = vlib_buffer_get_current (b0);
+ vlib_buffer_advance (b0, -sizeof (*udp0));
+ udp0 = vlib_buffer_get_current (b0);
+ vlib_buffer_advance (b0, -sizeof (*ip40));
+ ip40 = vlib_buffer_get_current (b0);
+
+ if (ike0->version != IKE_VERSION_2)
+ {
+ vlib_node_increment_counter (vm, ikev2_node.index,
+ IKEV2_ERROR_NOT_IKEV2, 1);
+ goto dispatch0;
+ }
+
+ if (ike0->exchange == IKEV2_EXCHANGE_SA_INIT)
+ {
+ sa0 = &sa;
+ clib_memset (sa0, 0, sizeof (*sa0));
+
+ if (ike0->flags & IKEV2_HDR_FLAG_INITIATOR)
+ {
+ if (ike0->rspi == 0)
+ {
+ sa0->raddr.as_u32 = ip40->dst_address.as_u32;
+ sa0->iaddr.as_u32 = ip40->src_address.as_u32;
+
+ r = ikev2_retransmit_sa_init (ike0, sa0->iaddr,
+ sa0->raddr);
+ if (r == 1)
+ {
+ vlib_node_increment_counter (vm, ikev2_node.index,
+ IKEV2_ERROR_IKE_SA_INIT_RETRANSMIT,
+ 1);
+ len = clib_net_to_host_u32 (ike0->length);
+ goto dispatch0;
+ }
+ else if (r == -1)
+ {
+ vlib_node_increment_counter (vm, ikev2_node.index,
+ IKEV2_ERROR_IKE_SA_INIT_IGNORE,
+ 1);
+ goto dispatch0;
+ }
+
+ ikev2_process_sa_init_req (vm, sa0, ike0);
+
+ if (sa0->state == IKEV2_STATE_SA_INIT)
+ {
+ ikev2_sa_free_proposal_vector (&sa0->r_proposals);
+ sa0->r_proposals =
+ ikev2_select_proposal (sa0->i_proposals,
+ IKEV2_PROTOCOL_IKE);
+ ikev2_generate_sa_init_data (sa0);
+ }
+
+ if (sa0->state == IKEV2_STATE_SA_INIT
+ || sa0->state == IKEV2_STATE_NOTIFY_AND_DELETE)
+ {
+ len = ikev2_generate_message (sa0, ike0, 0);
+ }
+
+ if (sa0->state == IKEV2_STATE_SA_INIT)
+ {
+ /* add SA to the pool */
+ pool_get (km->per_thread_data[thread_index].sas,
+ sa0);
+ clib_memcpy_fast (sa0, &sa, sizeof (*sa0));
+ hash_set (km->
+ per_thread_data[thread_index].sa_by_rspi,
+ sa0->rspi,
+ sa0 -
+ km->per_thread_data[thread_index].sas);
+ }
+ else
+ {
+ ikev2_sa_free_all_vec (sa0);
+ }
+ }
+ }
+ else //received sa_init without initiator flag
+ {
+ ikev2_process_sa_init_resp (vm, sa0, ike0);
+
+ if (sa0->state == IKEV2_STATE_SA_INIT)
+ {
+ ike0->exchange = IKEV2_EXCHANGE_IKE_AUTH;
+ uword *p = hash_get (km->sa_by_ispi, ike0->ispi);
+ if (p)
+ {
+ ikev2_sa_t *sai =
+ pool_elt_at_index (km->sais, p[0]);
+
+ ikev2_complete_sa_data (sa0, sai);
+ ikev2_calc_keys (sa0);
+ ikev2_sa_auth_init (sa0);
+ len = ikev2_generate_message (sa0, ike0, 0);
+ }
+ }
+
+ if (sa0->state == IKEV2_STATE_SA_INIT)
+ {
+ /* add SA to the pool */
+ pool_get (km->per_thread_data[thread_index].sas, sa0);
+ clib_memcpy_fast (sa0, &sa, sizeof (*sa0));
+ hash_set (km->per_thread_data[thread_index].sa_by_rspi,
+ sa0->rspi,
+ sa0 - km->per_thread_data[thread_index].sas);
+ }
+ else
+ {
+ ikev2_sa_free_all_vec (sa0);
+ }
+ }
+ }
+ else if (ike0->exchange == IKEV2_EXCHANGE_IKE_AUTH)
+ {
+ uword *p;
+ p = hash_get (km->per_thread_data[thread_index].sa_by_rspi,
+ clib_net_to_host_u64 (ike0->rspi));
+ if (p)
+ {
+ sa0 =
+ pool_elt_at_index (km->per_thread_data[thread_index].sas,
+ p[0]);
+
+ r = ikev2_retransmit_resp (sa0, ike0);
+ if (r == 1)
+ {
+ vlib_node_increment_counter (vm, ikev2_node.index,
+ IKEV2_ERROR_IKE_REQ_RETRANSMIT,
+ 1);
+ len = clib_net_to_host_u32 (ike0->length);
+ goto dispatch0;
+ }
+ else if (r == -1)
+ {
+ vlib_node_increment_counter (vm, ikev2_node.index,
+ IKEV2_ERROR_IKE_REQ_IGNORE,
+ 1);
+ goto dispatch0;
+ }
+
+ ikev2_process_auth_req (vm, sa0, ike0);
+ ikev2_sa_auth (sa0);
+ if (sa0->state == IKEV2_STATE_AUTHENTICATED)
+ {
+ ikev2_initial_contact_cleanup (sa0);
+ ikev2_sa_match_ts (sa0);
+ if (sa0->state != IKEV2_STATE_TS_UNACCEPTABLE)
+ ikev2_create_tunnel_interface (km->vnet_main, sa0,
+ &sa0->childs[0]);
+ }
+
+ if (sa0->is_initiator)
+ {
+ uword *p = hash_get (km->sa_by_ispi, ike0->ispi);
+ if (p)
+ {
+ ikev2_sa_t *sai =
+ pool_elt_at_index (km->sais, p[0]);
+ hash_unset (km->sa_by_ispi, sai->ispi);
+ ikev2_sa_free_all_vec (sai);
+ pool_put (km->sais, sai);
+ }
+ }
+ else
+ {
+ len = ikev2_generate_message (sa0, ike0, 0);
+ }
+ }
+ }
+ else if (ike0->exchange == IKEV2_EXCHANGE_INFORMATIONAL)
+ {
+ uword *p;
+ p = hash_get (km->per_thread_data[thread_index].sa_by_rspi,
+ clib_net_to_host_u64 (ike0->rspi));
+ if (p)
+ {
+ sa0 =
+ pool_elt_at_index (km->per_thread_data[thread_index].sas,
+ p[0]);
+
+ r = ikev2_retransmit_resp (sa0, ike0);
+ if (r == 1)
+ {
+ vlib_node_increment_counter (vm, ikev2_node.index,
+ IKEV2_ERROR_IKE_REQ_RETRANSMIT,
+ 1);
+ len = clib_net_to_host_u32 (ike0->length);
+ goto dispatch0;
+ }
+ else if (r == -1)
+ {
+ vlib_node_increment_counter (vm, ikev2_node.index,
+ IKEV2_ERROR_IKE_REQ_IGNORE,
+ 1);
+ goto dispatch0;
+ }
+
+ ikev2_process_informational_req (vm, sa0, ike0);
+ if (sa0->del)
+ {
+ if (sa0->del[0].protocol_id != IKEV2_PROTOCOL_IKE)
+ {
+ ikev2_delete_t *d, *tmp, *resp = 0;
+ vec_foreach (d, sa0->del)
+ {
+ ikev2_child_sa_t *ch_sa;
+ ch_sa = ikev2_sa_get_child (sa0, d->spi,
+ d->protocol_id,
+ !sa0->is_initiator);
+ if (ch_sa)
+ {
+ ikev2_delete_tunnel_interface (km->vnet_main,
+ sa0, ch_sa);
+ if (!sa0->is_initiator)
+ {
+ vec_add2 (resp, tmp, 1);
+ tmp->protocol_id = d->protocol_id;
+ tmp->spi = ch_sa->r_proposals[0].spi;
+ }
+ ikev2_sa_del_child_sa (sa0, ch_sa);
+ }
+ }
+ if (!sa0->is_initiator)
+ {
+ vec_free (sa0->del);
+ sa0->del = resp;
+ }
+ }
+ }
+ if (!sa0->is_initiator)
+ {
+ len = ikev2_generate_message (sa0, ike0, 0);
+ }
+ }
+ }
+ else if (ike0->exchange == IKEV2_EXCHANGE_CREATE_CHILD_SA)
+ {
+ uword *p;
+ p = hash_get (km->per_thread_data[thread_index].sa_by_rspi,
+ clib_net_to_host_u64 (ike0->rspi));
+ if (p)
+ {
+ sa0 =
+ pool_elt_at_index (km->per_thread_data[thread_index].sas,
+ p[0]);
+
+ r = ikev2_retransmit_resp (sa0, ike0);
+ if (r == 1)
+ {
+ vlib_node_increment_counter (vm, ikev2_node.index,
+ IKEV2_ERROR_IKE_REQ_RETRANSMIT,
+ 1);
+ len = clib_net_to_host_u32 (ike0->length);
+ goto dispatch0;
+ }
+ else if (r == -1)
+ {
+ vlib_node_increment_counter (vm, ikev2_node.index,
+ IKEV2_ERROR_IKE_REQ_IGNORE,
+ 1);
+ goto dispatch0;
+ }
+
+ ikev2_process_create_child_sa_req (vm, sa0, ike0);
+ if (sa0->rekey)
+ {
+ if (sa0->rekey[0].protocol_id != IKEV2_PROTOCOL_IKE)
+ {
+ ikev2_child_sa_t *child;
+ vec_add2 (sa0->childs, child, 1);
+ child->r_proposals = sa0->rekey[0].r_proposal;
+ child->i_proposals = sa0->rekey[0].i_proposal;
+ child->tsi = sa0->rekey[0].tsi;
+ child->tsr = sa0->rekey[0].tsr;
+ ikev2_create_tunnel_interface (km->vnet_main, sa0,
+ child);
+ }
+ if (sa0->is_initiator)
+ {
+ vec_del1 (sa0->rekey, 0);
+ }
+ else
+ {
+ len = ikev2_generate_message (sa0, ike0, 0);
+ }
+ }
+ }
+ }
+ else
+ {
+ clib_warning ("IKEv2 exchange %u packet received from %U to %U",
+ ike0->exchange,
+ format_ip4_address, ip40->src_address.as_u8,
+ format_ip4_address, ip40->dst_address.as_u8);
+ }
+
+ dispatch0:
+ /* if we are sending packet back, rewrite headers */
+ if (len)
+ {
+ next0 = IKEV2_NEXT_IP4_LOOKUP;
+ if (sa0->is_initiator)
+ {
+ ip40->dst_address.as_u32 = sa0->raddr.as_u32;
+ ip40->src_address.as_u32 = sa0->iaddr.as_u32;
+ }
+ else
+ {
+ ip40->dst_address.as_u32 = sa0->iaddr.as_u32;
+ ip40->src_address.as_u32 = sa0->raddr.as_u32;
+ }
+ udp0->length =
+ clib_host_to_net_u16 (len + sizeof (udp_header_t));
+ udp0->checksum = 0;
+ b0->current_length =
+ len + sizeof (ip4_header_t) + sizeof (udp_header_t);
+ ip40->length = clib_host_to_net_u16 (b0->current_length);
+ ip40->checksum = ip4_header_checksum (ip40);
+ }
+ /* delete sa */
+ if (sa0 && (sa0->state == IKEV2_STATE_DELETED ||
+ sa0->state == IKEV2_STATE_NOTIFY_AND_DELETE))
+ {
+ ikev2_child_sa_t *c;
+
+ vec_foreach (c, sa0->childs)
+ ikev2_delete_tunnel_interface (km->vnet_main, sa0, c);
+
+ ikev2_delete_sa (sa0);
+ }
+ sw_if_index0 = vnet_buffer (b0)->sw_if_index[VLIB_RX];
+
+ if (PREDICT_FALSE ((node->flags & VLIB_NODE_FLAG_TRACE)
+ && (b0->flags & VLIB_BUFFER_IS_TRACED)))
+ {
+ ikev2_trace_t *t = vlib_add_trace (vm, node, b0, sizeof (*t));
+ t->sw_if_index = sw_if_index0;
+ t->next_index = next0;
+ }
+
+ 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);
+ }
+
+ vlib_node_increment_counter (vm, ikev2_node.index,
+ IKEV2_ERROR_PROCESSED, frame->n_vectors);
+ return frame->n_vectors;
+}
+
+/* *INDENT-OFF* */
+VLIB_REGISTER_NODE (ikev2_node,static) = {
+ .function = ikev2_node_fn,
+ .name = "ikev2",
+ .vector_size = sizeof (u32),
+ .format_trace = format_ikev2_trace,
+ .type = VLIB_NODE_TYPE_INTERNAL,
+
+ .n_errors = ARRAY_LEN(ikev2_error_strings),
+ .error_strings = ikev2_error_strings,
+
+ .n_next_nodes = IKEV2_N_NEXT,
+
+ .next_nodes = {
+ [IKEV2_NEXT_IP4_LOOKUP] = "ip4-lookup",
+ [IKEV2_NEXT_ERROR_DROP] = "error-drop",
+ },
+};
+/* *INDENT-ON* */
+
+// set ikev2 proposals when vpp is used as initiator
+static clib_error_t *
+ikev2_set_initiator_proposals (vlib_main_t * vm, ikev2_sa_t * sa,
+ ikev2_transforms_set * ts,
+ ikev2_sa_proposal_t ** proposals, int is_ike)
+{
+ clib_error_t *r;
+ ikev2_main_t *km = &ikev2_main;
+ ikev2_sa_proposal_t *proposal;
+ vec_add2 (*proposals, proposal, 1);
+ ikev2_sa_transform_t *td;
+ int error;
+
+ /* Encryption */
+ error = 1;
+ vec_foreach (td, km->supported_transforms)
+ {
+ if (td->type == IKEV2_TRANSFORM_TYPE_ENCR
+ && td->encr_type == ts->crypto_alg
+ && td->key_len == ts->crypto_key_size / 8)
+ {
+ u16 attr[2];
+ attr[0] = clib_host_to_net_u16 (14 | (1 << 15));
+ attr[1] = clib_host_to_net_u16 (td->key_len << 3);
+ vec_add (td->attrs, (u8 *) attr, 4);
+ vec_add1 (proposal->transforms, *td);
+ td->attrs = 0;
+
+ error = 0;
+ break;
+ }
+ }
+ if (error)
+ {
+ r = clib_error_return (0, "Unsupported algorithm");
+ return r;
+ }
+
+ /* Integrity */
+ error = 1;
+ vec_foreach (td, km->supported_transforms)
+ {
+ if (td->type == IKEV2_TRANSFORM_TYPE_INTEG
+ && td->integ_type == ts->integ_alg)
+ {
+ vec_add1 (proposal->transforms, *td);
+ error = 0;
+ break;
+ }
+ }
+ if (error)
+ {
+ clib_warning
+ ("Didn't find any supported algorithm for IKEV2_TRANSFORM_TYPE_INTEG");
+ r = clib_error_return (0, "Unsupported algorithm");
+ return r;
+ }
+
+ /* PRF */
+ if (is_ike)
+ {
+ error = 1;
+ vec_foreach (td, km->supported_transforms)
+ {
+ if (td->type == IKEV2_TRANSFORM_TYPE_PRF
+ && td->prf_type == IKEV2_TRANSFORM_PRF_TYPE_PRF_HMAC_SHA2_256)
+ {
+ vec_add1 (proposal->transforms, *td);
+ error = 0;
+ break;
+ }
+ }
+ if (error)
+ {
+ r = clib_error_return (0, "Unsupported algorithm");
+ return r;
+ }
+ }
+
+ /* DH */
+ error = 1;
+ vec_foreach (td, km->supported_transforms)
+ {
+ if (td->type == IKEV2_TRANSFORM_TYPE_DH && td->dh_type == ts->dh_type)
+ {
+ vec_add1 (proposal->transforms, *td);
+ if (is_ike)
+ {
+ sa->dh_group = td->dh_type;
+ }
+ error = 0;
+ break;
+ }
+ }
+ if (error)
+ {
+ r = clib_error_return (0, "Unsupported algorithm");
+ return r;
+ }
+
+ if (!is_ike)
+ {
+ error = 1;
+ vec_foreach (td, km->supported_transforms)
+ {
+ if (td->type == IKEV2_TRANSFORM_TYPE_ESN)
+ {
+ vec_add1 (proposal->transforms, *td);
+ error = 0;
+ break;
+ }
+ }
+ if (error)
+ {
+ r = clib_error_return (0, "Unsupported algorithm");
+ return r;
+ }
+ }
+
+
+ return 0;
+}
+
+static ikev2_profile_t *
+ikev2_profile_index_by_name (u8 * name)
+{
+ ikev2_main_t *km = &ikev2_main;
+ uword *p;
+
+ p = mhash_get (&km->profile_index_by_name, name);
+ if (!p)
+ return 0;
+
+ return pool_elt_at_index (km->profiles, p[0]);
+}
+
+
+static void
+ikev2_send_ike (vlib_main_t * vm, ip4_address_t * src, ip4_address_t * dst,
+ u32 bi0, u32 len)
+{
+ ip4_header_t *ip40;
+ udp_header_t *udp0;
+ vlib_buffer_t *b0;
+ vlib_frame_t *f;
+ u32 *to_next;
+
+ b0 = vlib_get_buffer (vm, bi0);
+ vlib_buffer_advance (b0, -sizeof (udp_header_t));
+ udp0 = vlib_buffer_get_current (b0);
+ vlib_buffer_advance (b0, -sizeof (ip4_header_t));
+ ip40 = vlib_buffer_get_current (b0);
+
+
+ ip40->ip_version_and_header_length = 0x45;
+ ip40->tos = 0;
+ ip40->fragment_id = 0;
+ ip40->flags_and_fragment_offset = 0;
+ ip40->ttl = 0xff;
+ ip40->protocol = IP_PROTOCOL_UDP;
+ ip40->dst_address.as_u32 = dst->as_u32;
+ ip40->src_address.as_u32 = src->as_u32;
+ udp0->dst_port = clib_host_to_net_u16 (500);
+ udp0->src_port = clib_host_to_net_u16 (500);
+ udp0->length = clib_host_to_net_u16 (len + sizeof (udp_header_t));
+ udp0->checksum = 0;
+ b0->current_length = len + sizeof (ip4_header_t) + sizeof (udp_header_t);
+ ip40->length = clib_host_to_net_u16 (b0->current_length);
+ ip40->checksum = ip4_header_checksum (ip40);
+
+
+ /* send the request */
+ f = vlib_get_frame_to_node (vm, ip4_lookup_node.index);
+ to_next = vlib_frame_vector_args (f);
+ to_next[0] = bi0;
+ f->n_vectors = 1;
+ vlib_put_frame_to_node (vm, ip4_lookup_node.index, f);
+
+}
+
+static u32
+ikev2_get_new_ike_header_buff (vlib_main_t * vm, ike_header_t ** ike)
+{
+ u32 bi0;
+ if (vlib_buffer_alloc (vm, &bi0, 1) != 1)
+ {
+ *ike = 0;
+ return 0;
+ }
+ vlib_buffer_t *b0 = vlib_get_buffer (vm, bi0);
+ *ike = vlib_buffer_get_current (b0);
+ return bi0;
+}
+
+clib_error_t *
+ikev2_set_local_key (vlib_main_t * vm, u8 * file)
+{
+ ikev2_main_t *km = &ikev2_main;
+
+ km->pkey = ikev2_load_key_file (file);
+ if (km->pkey == NULL)
+ return clib_error_return (0, "load key '%s' failed", file);
+
+ return 0;
+}
+
+clib_error_t *
+ikev2_add_del_profile (vlib_main_t * vm, u8 * name, int is_add)
+{
+ ikev2_main_t *km = &ikev2_main;
+ ikev2_profile_t *p;
+
+ if (is_add)
+ {
+ if (ikev2_profile_index_by_name (name))
+ return clib_error_return (0, "policy %v already exists", name);
+
+ pool_get (km->profiles, p);
+ clib_memset (p, 0, sizeof (*p));
+ p->name = vec_dup (name);
+ p->responder.sw_if_index = ~0;
+ uword index = p - km->profiles;
+ mhash_set_mem (&km->profile_index_by_name, name, &index, 0);
+ }
+ else
+ {
+ p = ikev2_profile_index_by_name (name);
+ if (!p)
+ return clib_error_return (0, "policy %v does not exists", name);
+
+ vec_free (p->name);
+ pool_put (km->profiles, p);
+ mhash_unset (&km->profile_index_by_name, name, 0);
+ }
+ return 0;
+}
+
+clib_error_t *
+ikev2_set_profile_auth (vlib_main_t * vm, u8 * name, u8 auth_method,
+ u8 * auth_data, u8 data_hex_format)
+{
+ ikev2_profile_t *p;
+ clib_error_t *r;
+
+ p = ikev2_profile_index_by_name (name);
+
+ if (!p)
+ {
+ r = clib_error_return (0, "unknown profile %v", name);
+ return r;
+ }
+ vec_free (p->auth.data);
+ p->auth.method = auth_method;
+ p->auth.data = vec_dup (auth_data);
+ p->auth.hex = data_hex_format;
+
+ if (auth_method == IKEV2_AUTH_METHOD_RSA_SIG)
+ {
+ vec_add1 (p->auth.data, 0);
+ if (p->auth.key)
+ EVP_PKEY_free (p->auth.key);
+ p->auth.key = ikev2_load_cert_file (auth_data);
+ if (p->auth.key == NULL)
+ return clib_error_return (0, "load cert '%s' failed", auth_data);
+ }
+
+ return 0;
+}
+
+clib_error_t *
+ikev2_set_profile_id (vlib_main_t * vm, u8 * name, u8 id_type, u8 * data,
+ int is_local)
+{
+ ikev2_profile_t *p;
+ clib_error_t *r;
+
+ if (id_type > IKEV2_ID_TYPE_ID_RFC822_ADDR
+ && id_type < IKEV2_ID_TYPE_ID_KEY_ID)
+ {
+ r = clib_error_return (0, "unsupported identity type %U",
+ format_ikev2_id_type, id_type);
+ return r;
+ }
+
+ p = ikev2_profile_index_by_name (name);
+
+ if (!p)
+ {
+ r = clib_error_return (0, "unknown profile %v", name);
+ return r;
+ }
+
+ if (is_local)
+ {
+ vec_free (p->loc_id.data);
+ p->loc_id.type = id_type;
+ p->loc_id.data = vec_dup (data);
+ }
+ else
+ {
+ vec_free (p->rem_id.data);
+ p->rem_id.type = id_type;
+ p->rem_id.data = vec_dup (data);
+ }
+
+ return 0;
+}
+
+clib_error_t *
+ikev2_set_profile_ts (vlib_main_t * vm, u8 * name, u8 protocol_id,
+ u16 start_port, u16 end_port, ip4_address_t start_addr,
+ ip4_address_t end_addr, int is_local)
+{
+ ikev2_profile_t *p;
+ clib_error_t *r;
+
+ p = ikev2_profile_index_by_name (name);
+
+ if (!p)
+ {
+ r = clib_error_return (0, "unknown profile %v", name);
+ return r;
+ }
+
+ if (is_local)
+ {
+ p->loc_ts.start_addr.as_u32 = start_addr.as_u32;
+ p->loc_ts.end_addr.as_u32 = end_addr.as_u32;
+ p->loc_ts.start_port = start_port;
+ p->loc_ts.end_port = end_port;
+ p->loc_ts.protocol_id = protocol_id;
+ p->loc_ts.ts_type = 7;
+ }
+ else
+ {
+ p->rem_ts.start_addr.as_u32 = start_addr.as_u32;
+ p->rem_ts.end_addr.as_u32 = end_addr.as_u32;
+ p->rem_ts.start_port = start_port;
+ p->rem_ts.end_port = end_port;
+ p->rem_ts.protocol_id = protocol_id;
+ p->rem_ts.ts_type = 7;
+ }
+
+ return 0;
+}
+
+
+clib_error_t *
+ikev2_set_profile_responder (vlib_main_t * vm, u8 * name,
+ u32 sw_if_index, ip4_address_t ip4)
+{
+ ikev2_profile_t *p;
+ clib_error_t *r;
+
+ p = ikev2_profile_index_by_name (name);
+
+ if (!p)
+ {
+ r = clib_error_return (0, "unknown profile %v", name);
+ return r;
+ }
+
+ p->responder.sw_if_index = sw_if_index;
+ p->responder.ip4 = ip4;
+
+ return 0;
+}
+
+clib_error_t *
+ikev2_set_profile_ike_transforms (vlib_main_t * vm, u8 * name,
+ ikev2_transform_encr_type_t crypto_alg,
+ ikev2_transform_integ_type_t integ_alg,
+ ikev2_transform_dh_type_t dh_type,
+ u32 crypto_key_size)
+{
+ ikev2_profile_t *p;
+ clib_error_t *r;
+
+ p = ikev2_profile_index_by_name (name);
+
+ if (!p)
+ {
+ r = clib_error_return (0, "unknown profile %v", name);
+ return r;
+ }
+
+ p->ike_ts.crypto_alg = crypto_alg;
+ p->ike_ts.integ_alg = integ_alg;
+ p->ike_ts.dh_type = dh_type;
+ p->ike_ts.crypto_key_size = crypto_key_size;
+ return 0;
+}
+
+clib_error_t *
+ikev2_set_profile_esp_transforms (vlib_main_t * vm, u8 * name,
+ ikev2_transform_encr_type_t crypto_alg,
+ ikev2_transform_integ_type_t integ_alg,
+ ikev2_transform_dh_type_t dh_type,
+ u32 crypto_key_size)
+{
+ ikev2_profile_t *p;
+ clib_error_t *r;
+
+ p = ikev2_profile_index_by_name (name);
+
+ if (!p)
+ {
+ r = clib_error_return (0, "unknown profile %v", name);
+ return r;
+ }
+
+ p->esp_ts.crypto_alg = crypto_alg;
+ p->esp_ts.integ_alg = integ_alg;
+ p->esp_ts.dh_type = dh_type;
+ p->esp_ts.crypto_key_size = crypto_key_size;
+ return 0;
+}
+
+clib_error_t *
+ikev2_set_profile_sa_lifetime (vlib_main_t * vm, u8 * name,
+ u64 lifetime, u32 jitter, u32 handover,
+ u64 maxdata)
+{
+ ikev2_profile_t *p;
+ clib_error_t *r;
+
+ p = ikev2_profile_index_by_name (name);
+
+ if (!p)
+ {
+ r = clib_error_return (0, "unknown profile %v", name);
+ return r;
+ }
+
+ p->lifetime = lifetime;
+ p->lifetime_jitter = jitter;
+ p->handover = handover;
+ p->lifetime_maxdata = maxdata;
+ return 0;
+}
+
+clib_error_t *
+ikev2_initiate_sa_init (vlib_main_t * vm, u8 * name)
+{
+ ikev2_profile_t *p;
+ clib_error_t *r;
+ ip4_main_t *im = &ip4_main;
+ ikev2_main_t *km = &ikev2_main;
+
+ p = ikev2_profile_index_by_name (name);
+
+ if (!p)
+ {
+ r = clib_error_return (0, "unknown profile %v", name);
+ return r;
+ }
+
+ if (p->responder.sw_if_index == ~0 || p->responder.ip4.data_u32 == 0)
+ {
+ r = clib_error_return (0, "responder not set for profile %v", name);
+ return r;
+ }
+
+
+ /* Create the Initiator Request */
+ {
+ ike_header_t *ike0;
+ u32 bi0 = 0;
+ ip_lookup_main_t *lm = &im->lookup_main;
+ u32 if_add_index0;
+ int len = sizeof (ike_header_t);
+
+ /* Get own iface IP */
+ if_add_index0 =
+ lm->if_address_pool_index_by_sw_if_index[p->responder.sw_if_index];
+ ip_interface_address_t *if_add =
+ pool_elt_at_index (lm->if_address_pool, if_add_index0);
+ ip4_address_t *if_ip = ip_interface_address_get_address (lm, if_add);
+
+ bi0 = ikev2_get_new_ike_header_buff (vm, &ike0);
+
+ /* Prepare the SA and the IKE payload */
+ ikev2_sa_t sa;
+ clib_memset (&sa, 0, sizeof (ikev2_sa_t));
+ ikev2_payload_chain_t *chain = 0;
+ ikev2_payload_new_chain (chain);
+
+ /* Build the IKE proposal payload */
+ ikev2_sa_proposal_t *proposals = 0;
+ ikev2_set_initiator_proposals (vm, &sa, &p->ike_ts, &proposals, 1);
+ proposals[0].proposal_num = 1;
+ proposals[0].protocol_id = IKEV2_PROTOCOL_IKE;
+
+ /* Add and then cleanup proposal data */
+ ikev2_payload_add_sa (chain, proposals);
+ ikev2_sa_free_proposal_vector (&proposals);
+
+ sa.is_initiator = 1;
+ sa.profile = p;
+ sa.state = IKEV2_STATE_SA_INIT;
+ ikev2_generate_sa_init_data (&sa);
+ ikev2_payload_add_ke (chain, sa.dh_group, sa.i_dh_data);
+ ikev2_payload_add_nonce (chain, sa.i_nonce);
+
+ /* Build the child SA proposal */
+ vec_resize (sa.childs, 1);
+ ikev2_set_initiator_proposals (vm, &sa, &p->esp_ts,
+ &sa.childs[0].i_proposals, 0);
+ sa.childs[0].i_proposals[0].proposal_num = 1;
+ sa.childs[0].i_proposals[0].protocol_id = IKEV2_PROTOCOL_ESP;
+ RAND_bytes ((u8 *) & sa.childs[0].i_proposals[0].spi,
+ sizeof (sa.childs[0].i_proposals[0].spi));
+
+
+
+ /* Add NAT detection notification messages (mandatory) */
+ u8 nat_detection_source[8 + 8 + 4 + 2];
+ u8 *nat_detection_sha1 = vec_new (u8, 20);
+
+ u64 tmpspi = clib_host_to_net_u64 (sa.ispi);
+ clib_memcpy_fast (&nat_detection_source[0], &tmpspi, sizeof (tmpspi));
+ tmpspi = clib_host_to_net_u64 (sa.rspi);
+ clib_memcpy_fast (&nat_detection_source[8], &tmpspi, sizeof (tmpspi));
+ u16 tmpport = clib_host_to_net_u16 (500);
+ clib_memcpy_fast (&nat_detection_source[8 + 8 + 4], &tmpport,
+ sizeof (tmpport));
+ u32 tmpip = clib_host_to_net_u32 (if_ip->as_u32);
+ clib_memcpy_fast (&nat_detection_source[8 + 8], &tmpip, sizeof (tmpip));
+ SHA1 (nat_detection_source, sizeof (nat_detection_source),
+ nat_detection_sha1);
+ ikev2_payload_add_notify (chain, IKEV2_NOTIFY_MSG_NAT_DETECTION_SOURCE_IP,
+ nat_detection_sha1);
+ tmpip = clib_host_to_net_u32 (p->responder.ip4.as_u32);
+ clib_memcpy_fast (&nat_detection_source[8 + 8], &tmpip, sizeof (tmpip));
+ SHA1 (nat_detection_source, sizeof (nat_detection_source),
+ nat_detection_sha1);
+ ikev2_payload_add_notify (chain,
+ IKEV2_NOTIFY_MSG_NAT_DETECTION_DESTINATION_IP,
+ nat_detection_sha1);
+ vec_free (nat_detection_sha1);
+
+ u8 *sig_hash_algo = vec_new (u8, 8);
+ u64 tmpsig = clib_host_to_net_u64 (0x0001000200030004);
+ clib_memcpy_fast (sig_hash_algo, &tmpsig, sizeof (tmpsig));
+ ikev2_payload_add_notify (chain,
+ IKEV2_NOTIFY_MSG_SIGNATURE_HASH_ALGORITHMS,
+ sig_hash_algo);
+ vec_free (sig_hash_algo);
+
+
+ /* Buffer update and boilerplate */
+ len += vec_len (chain->data);
+ ike0->nextpayload = chain->first_payload_type;
+ ike0->length = clib_host_to_net_u32 (len);
+ clib_memcpy_fast (ike0->payload, chain->data, vec_len (chain->data));
+ ikev2_payload_destroy_chain (chain);
+
+ ike0->version = IKE_VERSION_2;
+ ike0->flags = IKEV2_HDR_FLAG_INITIATOR;
+ ike0->exchange = IKEV2_EXCHANGE_SA_INIT;
+ ike0->ispi = sa.ispi;
+
+ /* store whole IKE payload - needed for PSK auth */
+ vec_free (sa.last_sa_init_req_packet_data);
+ vec_add (sa.last_sa_init_req_packet_data, ike0, len);
+
+ /* add data to the SA then add it to the pool */
+ sa.iaddr.as_u32 = if_ip->as_u32;
+ sa.raddr.as_u32 = p->responder.ip4.as_u32;
+ sa.i_id.type = p->loc_id.type;
+ sa.i_id.data = vec_dup (p->loc_id.data);
+ sa.i_auth.method = p->auth.method;
+ sa.i_auth.hex = p->auth.hex;
+ sa.i_auth.data = vec_dup (p->auth.data);
+#if OPENSSL_VERSION_NUMBER >= 0x10100000L
+ clib_memcpy_fast (sa.i_auth.key, p->auth.key,
+ EVP_PKEY_size (p->auth.key));
+#else
+ sa.i_auth.key = vec_dup (p->auth.key);
+#endif
+ vec_add (sa.childs[0].tsi, &p->loc_ts, 1);
+ vec_add (sa.childs[0].tsr, &p->rem_ts, 1);
+
+ /* add SA to the pool */
+ ikev2_sa_t *sa0 = 0;
+ pool_get (km->sais, sa0);
+ clib_memcpy_fast (sa0, &sa, sizeof (*sa0));
+ hash_set (km->sa_by_ispi, sa0->ispi, sa0 - km->sais);
+
+ ikev2_send_ike (vm, if_ip, &p->responder.ip4, bi0, len);
+
+ }
+
+ return 0;
+}
+
+static void
+ikev2_delete_child_sa_internal (vlib_main_t * vm, ikev2_sa_t * sa,
+ ikev2_child_sa_t * csa)
+{
+ /* Create the Initiator notification for child SA removal */
+ ikev2_main_t *km = &ikev2_main;
+ ike_header_t *ike0;
+ u32 bi0 = 0;
+ int len;
+
+ bi0 = ikev2_get_new_ike_header_buff (vm, &ike0);
+
+
+ ike0->exchange = IKEV2_EXCHANGE_INFORMATIONAL;
+ ike0->ispi = clib_host_to_net_u64 (sa->ispi);
+ ike0->rspi = clib_host_to_net_u64 (sa->rspi);
+ vec_resize (sa->del, 1);
+ sa->del->protocol_id = IKEV2_PROTOCOL_ESP;
+ sa->del->spi = csa->i_proposals->spi;
+ ike0->msgid = clib_host_to_net_u32 (sa->last_init_msg_id + 1);
+ sa->last_init_msg_id = clib_net_to_host_u32 (ike0->msgid);
+ len = ikev2_generate_message (sa, ike0, 0);
+
+ ikev2_send_ike (vm, &sa->iaddr, &sa->raddr, bi0, len);
+
+ /* delete local child SA */
+ ikev2_delete_tunnel_interface (km->vnet_main, sa, csa);
+ ikev2_sa_del_child_sa (sa, csa);
+}
+
+clib_error_t *
+ikev2_initiate_delete_child_sa (vlib_main_t * vm, u32 ispi)
+{
+ clib_error_t *r;
+ ikev2_main_t *km = &ikev2_main;
+ ikev2_main_per_thread_data_t *tkm;
+ ikev2_sa_t *fsa = 0;
+ ikev2_child_sa_t *fchild = 0;
+
+ /* Search for the child SA */
+ vec_foreach (tkm, km->per_thread_data)
+ {
+ ikev2_sa_t *sa;
+ if (fchild)
+ break;
+ /* *INDENT-OFF* */
+ pool_foreach (sa, tkm->sas, ({
+ fchild = ikev2_sa_get_child(sa, ispi, IKEV2_PROTOCOL_ESP, 1);
+ if (fchild)
+ {
+ fsa = sa;
+ break;
+ }
+ }));
+ /* *INDENT-ON* */
+ }
+
+ if (!fchild || !fsa)
+ {
+ r = clib_error_return (0, "Child SA not found");
+ return r;
+ }
+ else
+ {
+ ikev2_delete_child_sa_internal (vm, fsa, fchild);
+ }
+
+ return 0;
+}
+
+clib_error_t *
+ikev2_initiate_delete_ike_sa (vlib_main_t * vm, u64 ispi)
+{
+ clib_error_t *r;
+ ikev2_main_t *km = &ikev2_main;
+ ikev2_main_per_thread_data_t *tkm;
+ ikev2_sa_t *fsa = 0;
+ ikev2_main_per_thread_data_t *ftkm = 0;
+
+ /* Search for the IKE SA */
+ vec_foreach (tkm, km->per_thread_data)
+ {
+ ikev2_sa_t *sa;
+ if (fsa)
+ break;
+ /* *INDENT-OFF* */
+ pool_foreach (sa, tkm->sas, ({
+ if (sa->ispi == ispi)
+ {
+ fsa = sa;
+ ftkm = tkm;
+ break;
+ }
+ }));
+ /* *INDENT-ON* */
+ }
+
+ if (!fsa)
+ {
+ r = clib_error_return (0, "IKE SA not found");
+ return r;
+ }
+
+
+ /* Create the Initiator notification for IKE SA removal */
+ {
+ ike_header_t *ike0;
+ u32 bi0 = 0;
+ int len;
+
+ bi0 = ikev2_get_new_ike_header_buff (vm, &ike0);
+
+
+ ike0->exchange = IKEV2_EXCHANGE_INFORMATIONAL;
+ ike0->ispi = clib_host_to_net_u64 (fsa->ispi);
+ ike0->rspi = clib_host_to_net_u64 (fsa->rspi);
+ vec_resize (fsa->del, 1);
+ fsa->del->protocol_id = IKEV2_PROTOCOL_IKE;
+ fsa->del->spi = ispi;
+ ike0->msgid = clib_host_to_net_u32 (fsa->last_init_msg_id + 1);
+ fsa->last_init_msg_id = clib_net_to_host_u32 (ike0->msgid);
+ len = ikev2_generate_message (fsa, ike0, 0);
+
+ ikev2_send_ike (vm, &fsa->iaddr, &fsa->raddr, bi0, len);
+ }
+
+
+ /* delete local SA */
+ ikev2_child_sa_t *c;
+ vec_foreach (c, fsa->childs)
+ {
+ ikev2_delete_tunnel_interface (km->vnet_main, fsa, c);
+ ikev2_sa_del_child_sa (fsa, c);
+ }
+ ikev2_sa_free_all_vec (fsa);
+ uword *p = hash_get (ftkm->sa_by_rspi, fsa->rspi);
+ if (p)
+ {
+ hash_unset (ftkm->sa_by_rspi, fsa->rspi);
+ pool_put (ftkm->sas, fsa);
+ }
+
+
+ return 0;
+}
+
+static void
+ikev2_rekey_child_sa_internal (vlib_main_t * vm, ikev2_sa_t * sa,
+ ikev2_child_sa_t * csa)
+{
+ /* Create the Initiator request for create child SA */
+ ike_header_t *ike0;
+ u32 bi0 = 0;
+ int len;
+
+
+ bi0 = ikev2_get_new_ike_header_buff (vm, &ike0);
+
+
+ ike0->version = IKE_VERSION_2;
+ ike0->flags = IKEV2_HDR_FLAG_INITIATOR;
+ ike0->exchange = IKEV2_EXCHANGE_CREATE_CHILD_SA;
+ ike0->ispi = clib_host_to_net_u64 (sa->ispi);
+ ike0->rspi = clib_host_to_net_u64 (sa->rspi);
+ ike0->msgid = clib_host_to_net_u32 (sa->last_init_msg_id + 1);
+ sa->last_init_msg_id = clib_net_to_host_u32 (ike0->msgid);
+
+ ikev2_rekey_t *rekey;
+ vec_add2 (sa->rekey, rekey, 1);
+ ikev2_sa_proposal_t *proposals = vec_dup (csa->i_proposals);
+
+ /*need new ispi */
+ 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 (sa, ike0, proposals);
+ ikev2_send_ike (vm, &sa->iaddr, &sa->raddr, bi0, len);
+ vec_free (proposals);
+}
+
+clib_error_t *
+ikev2_initiate_rekey_child_sa (vlib_main_t * vm, u32 ispi)
+{
+ clib_error_t *r;
+ ikev2_main_t *km = &ikev2_main;
+ ikev2_main_per_thread_data_t *tkm;
+ ikev2_sa_t *fsa = 0;
+ ikev2_child_sa_t *fchild = 0;
+
+ /* Search for the child SA */
+ vec_foreach (tkm, km->per_thread_data)
+ {
+ ikev2_sa_t *sa;
+ if (fchild)
+ break;
+ /* *INDENT-OFF* */
+ pool_foreach (sa, tkm->sas, ({
+ fchild = ikev2_sa_get_child(sa, ispi, IKEV2_PROTOCOL_ESP, 1);
+ if (fchild)
+ {
+ fsa = sa;
+ break;
+ }
+ }));
+ /* *INDENT-ON* */
+ }
+
+ if (!fchild || !fsa)
+ {
+ r = clib_error_return (0, "Child SA not found");
+ return r;
+ }
+ else
+ {
+ ikev2_rekey_child_sa_internal (vm, fsa, fchild);
+ }
+
+ return 0;
+}
+
+clib_error_t *
+ikev2_init (vlib_main_t * vm)
+{
+ ikev2_main_t *km = &ikev2_main;
+ clib_error_t *error;
+ vlib_thread_main_t *tm = vlib_get_thread_main ();
+ int thread_id;
+
+ if ((error = vlib_call_init_function (vm, ipsec_init)))
+ return error;
+
+ clib_memset (km, 0, sizeof (ikev2_main_t));
+ km->vnet_main = vnet_get_main ();
+ km->vlib_main = vm;
+
+ ikev2_crypto_init (km);
+
+ mhash_init_vec_string (&km->profile_index_by_name, sizeof (uword));
+
+ vec_validate (km->per_thread_data, tm->n_vlib_mains - 1);
+ for (thread_id = 0; thread_id < tm->n_vlib_mains - 1; thread_id++)
+ {
+ km->per_thread_data[thread_id].sa_by_rspi =
+ hash_create (0, sizeof (uword));
+ }
+
+ km->sa_by_ispi = hash_create (0, sizeof (uword));
+
+
+ if ((error = vlib_call_init_function (vm, ikev2_cli_init)))
+ return error;
+
+ udp_register_dst_port (vm, 500, ikev2_node.index, 1);
+
+ return 0;
+}
+
+VLIB_INIT_FUNCTION (ikev2_init);
+
+static u8
+ikev2_mngr_process_child_sa (ikev2_sa_t * sa, ikev2_child_sa_t * csa)
+{
+ ikev2_main_t *km = &ikev2_main;
+ vlib_main_t *vm = km->vlib_main;
+ f64 now = vlib_time_now (vm);
+ u8 res = 0;
+
+ if (sa->is_initiator && sa->profile && csa->time_to_expiration
+ && now > csa->time_to_expiration)
+ {
+ if (!csa->is_expired || csa->rekey_retries > 0)
+ {
+ ikev2_rekey_child_sa_internal (vm, sa, csa);
+ csa->time_to_expiration = now + sa->profile->handover;
+ csa->is_expired = 1;
+ if (csa->rekey_retries == 0)
+ {
+ csa->rekey_retries = 5;
+ }
+ else if (csa->rekey_retries > 0)
+ {
+ csa->rekey_retries--;
+ clib_warning ("Rekeying Child SA 0x%x, retries left %d",
+ csa->i_proposals->spi, csa->rekey_retries);
+ if (csa->rekey_retries == 0)
+ {
+ csa->rekey_retries = -1;
+ }
+ }
+ res |= 1;
+ }
+ else
+ {
+ csa->time_to_expiration = 0;
+ ikev2_delete_child_sa_internal (vm, sa, csa);
+ res |= 1;
+ }
+ }
+
+ return res;
+}
+
+static void
+ikev2_mngr_process_ipsec_sa (ipsec_sa_t * ipsec_sa)
+{
+ ikev2_main_t *km = &ikev2_main;
+ vlib_main_t *vm = km->vlib_main;
+ ikev2_main_per_thread_data_t *tkm;
+ ikev2_sa_t *fsa = 0;
+ ikev2_child_sa_t *fchild = 0;
+ f64 now = vlib_time_now (vm);
+ vlib_counter_t counts;
+
+ /* Search for the SA and child SA */
+ vec_foreach (tkm, km->per_thread_data)
+ {
+ ikev2_sa_t *sa;
+ if (fchild)
+ break;
+ /* *INDENT-OFF* */
+ pool_foreach (sa, tkm->sas, ({
+ fchild = ikev2_sa_get_child(sa, ipsec_sa->spi, IKEV2_PROTOCOL_ESP, 1);
+ if (fchild)
+ {
+ fsa = sa;
+ break;
+ }
+ }));
+ /* *INDENT-ON* */
+ }
+ vlib_get_combined_counter (&ipsec_sa_counters,
+ ipsec_sa->stat_index, &counts);
+
+ if (fchild && fsa && fsa->profile && fsa->profile->lifetime_maxdata)
+ {
+ if (!fchild->is_expired
+ && counts.bytes > fsa->profile->lifetime_maxdata)
+ {
+ fchild->time_to_expiration = now;
+ }
+ }
+}
+
+static vlib_node_registration_t ikev2_mngr_process_node;
+
+static uword
+ikev2_mngr_process_fn (vlib_main_t * vm, vlib_node_runtime_t * rt,
+ vlib_frame_t * f)
+{
+ ikev2_main_t *km = &ikev2_main;
+ ipsec_main_t *im = &ipsec_main;
+
+ while (1)
+ {
+ u8 req_sent = 0;
+ vlib_process_wait_for_event_or_clock (vm, 1);
+ vlib_process_get_events (vm, NULL);
+
+ /* process ike child sas */
+ ikev2_main_per_thread_data_t *tkm;
+ vec_foreach (tkm, km->per_thread_data)
+ {
+ ikev2_sa_t *sa;
+ /* *INDENT-OFF* */
+ pool_foreach (sa, tkm->sas, ({
+ ikev2_child_sa_t *c;
+ vec_foreach (c, sa->childs)
+ {
+ req_sent |= ikev2_mngr_process_child_sa(sa, c);
+ }
+ }));
+ /* *INDENT-ON* */
+ }
+
+ /* process ipsec sas */
+ ipsec_sa_t *sa;
+ /* *INDENT-OFF* */
+ pool_foreach (sa, im->sad, ({
+ ikev2_mngr_process_ipsec_sa(sa);
+ }));
+ /* *INDENT-ON* */
+
+ if (req_sent)
+ {
+ vlib_process_wait_for_event_or_clock (vm, 5);
+ vlib_process_get_events (vm, NULL);
+ req_sent = 0;
+ }
+
+ }
+ return 0;
+}
+
+/* *INDENT-OFF* */
+VLIB_REGISTER_NODE (ikev2_mngr_process_node, static) = {
+ .function = ikev2_mngr_process_fn,
+ .type = VLIB_NODE_TYPE_PROCESS,
+ .name =
+ "ikev2-manager-process",
+};
+
+VLIB_PLUGIN_REGISTER () = {
+ .version = VPP_BUILD_VER,
+ .description = "IKEv2",
+};
+/* *INDENT-ON* */
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */
diff --git a/src/plugins/ikev2/ikev2.h b/src/plugins/ikev2/ikev2.h
new file mode 100644
index 00000000000..55731bff975
--- /dev/null
+++ b/src/plugins/ikev2/ikev2.h
@@ -0,0 +1,435 @@
+/*
+ * 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.
+ */
+#ifndef __included_ikev2_h__
+#define __included_ikev2_h__
+
+#include <vnet/vnet.h>
+#include <vnet/ip/ip.h>
+
+#include <vppinfra/error.h>
+
+#define IKEV2_NONCE_SIZE 32
+
+#define IKEV2_KEY_PAD "Key Pad for IKEv2"
+
+typedef u8 v8;
+
+/* *INDENT-OFF* */
+typedef CLIB_PACKED (struct {
+ u64 ispi;
+ u64 rspi;
+ u8 nextpayload;
+ u8 version;
+ u8 exchange;
+ u8 flags;
+ u32 msgid; u32 length; u8 payload[0];
+}) ike_header_t;
+/* *INDENT-ON* */
+
+/* *INDENT-OFF* */
+typedef CLIB_PACKED (struct
+ {
+ u8 nextpayload;
+ u8 flags;
+ u16 length;
+ u16 dh_group;
+ u8 reserved[2]; u8 payload[0];}) ike_ke_payload_header_t;
+/* *INDENT-ON* */
+
+/* *INDENT-OFF* */
+typedef CLIB_PACKED (struct {
+ u8 nextpayload;
+ u8 flags;
+ u16 length; u8 payload[0];
+}) ike_payload_header_t;
+/* *INDENT-ON* */
+
+/* *INDENT-OFF* */
+typedef CLIB_PACKED (struct {
+ u8 nextpayload;
+ u8 flags;
+ u16 length;
+ u8 auth_method;
+ u8 reserved[3];
+ u8 payload[0];
+}) ike_auth_payload_header_t;
+/* *INDENT-ON* */
+
+/* *INDENT-OFF* */
+typedef CLIB_PACKED (struct {
+ u8 nextpayload;
+ u8 flags;
+ u16 length;
+ u8 id_type;
+ u8 reserved[3]; u8 payload[0];
+}) ike_id_payload_header_t;
+/* *INDENT-ON* */
+
+#define IKE_VERSION_2 0x20
+
+#define IKEV2_EXCHANGE_SA_INIT 34
+#define IKEV2_EXCHANGE_IKE_AUTH 35
+#define IKEV2_EXCHANGE_CREATE_CHILD_SA 36
+#define IKEV2_EXCHANGE_INFORMATIONAL 37
+
+#define IKEV2_HDR_FLAG_INITIATOR (1<<3)
+#define IKEV2_HDR_FLAG_VERSION (1<<4)
+#define IKEV2_HDR_FLAG_RESPONSE (1<<5)
+
+#define IKEV2_PAYLOAD_FLAG_CRITICAL (1<<7)
+
+#define IKEV2_PAYLOAD_NONE 0
+#define IKEV2_PAYLOAD_SA 33
+#define IKEV2_PAYLOAD_KE 34
+#define IKEV2_PAYLOAD_IDI 35
+#define IKEV2_PAYLOAD_IDR 36
+#define IKEV2_PAYLOAD_AUTH 39
+#define IKEV2_PAYLOAD_NONCE 40
+#define IKEV2_PAYLOAD_NOTIFY 41
+#define IKEV2_PAYLOAD_DELETE 42
+#define IKEV2_PAYLOAD_VENDOR 43
+#define IKEV2_PAYLOAD_TSI 44
+#define IKEV2_PAYLOAD_TSR 45
+#define IKEV2_PAYLOAD_SK 46
+
+typedef enum
+{
+ IKEV2_PROTOCOL_IKE = 1,
+ IKEV2_PROTOCOL_AH = 2,
+ IKEV2_PROTOCOL_ESP = 3,
+} ikev2_protocol_id_t;
+
+#define foreach_ikev2_notify_msg_type \
+ _( 0, NONE) \
+ _( 1, UNSUPPORTED_CRITICAL_PAYLOAD) \
+ _( 4, INVALID_IKE_SPI) \
+ _( 5, INVALID_MAJOR_VERSION) \
+ _( 7, INVALID_SYNTAX) \
+ _( 8, INVALID_MESSAGE_ID) \
+ _( 11, INVALID_SPI) \
+ _( 14, NO_PROPOSAL_CHOSEN) \
+ _( 17, INVALID_KE_PAYLOAD) \
+ _( 24, AUTHENTICATION_FAILED) \
+ _( 34, SINGLE_PAIR_REQUIRED) \
+ _( 35, NO_ADDITIONAL_SAS) \
+ _( 36, INTERNAL_ADDRESS_FAILURE) \
+ _( 37, FAILED_CP_REQUIRED) \
+ _( 38, TS_UNACCEPTABLE) \
+ _( 39, INVALID_SELECTORS) \
+ _( 40, UNACCEPTABLE_ADDRESSES) \
+ _( 41, UNEXPECTED_NAT_DETECTED) \
+ _( 42, USE_ASSIGNED_HoA) \
+ _( 43, TEMPORARY_FAILURE) \
+ _( 44, CHILD_SA_NOT_FOUND) \
+ _( 45, INVALID_GROUP_ID) \
+ _( 46, AUTHORIZATION_FAILED) \
+ _(16384, INITIAL_CONTACT) \
+ _(16385, SET_WINDOW_SIZE) \
+ _(16386, ADDITIONAL_TS_POSSIBLE) \
+ _(16387, IPCOMP_SUPPORTED) \
+ _(16388, NAT_DETECTION_SOURCE_IP) \
+ _(16389, NAT_DETECTION_DESTINATION_IP) \
+ _(16390, COOKIE) \
+ _(16391, USE_TRANSPORT_MODE) \
+ _(16392, HTTP_CERT_LOOKUP_SUPPORTED) \
+ _(16393, REKEY_SA) \
+ _(16394, ESP_TFC_PADDING_NOT_SUPPORTED) \
+ _(16395, NON_FIRST_FRAGMENTS_ALSO) \
+ _(16396, MOBIKE_SUPPORTED) \
+ _(16397, ADDITIONAL_IP4_ADDRESS) \
+ _(16398, ADDITIONAL_IP6_ADDRESS) \
+ _(16399, NO_ADDITIONAL_ADDRESSES) \
+ _(16400, UPDATE_SA_ADDRESSES) \
+ _(16401, COOKIE2) \
+ _(16402, NO_NATS_ALLOWED) \
+ _(16403, AUTH_LIFETIME) \
+ _(16404, MULTIPLE_AUTH_SUPPORTED) \
+ _(16405, ANOTHER_AUTH_FOLLOWS) \
+ _(16406, REDIRECT_SUPPORTED) \
+ _(16407, REDIRECT) \
+ _(16408, REDIRECTED_FROM) \
+ _(16409, TICKET_LT_OPAQUE) \
+ _(16410, TICKET_REQUEST) \
+ _(16411, TICKET_ACK) \
+ _(16412, TICKET_NACK) \
+ _(16413, TICKET_OPAQUE) \
+ _(16414, LINK_ID) \
+ _(16415, USE_WESP_MODE) \
+ _(16416, ROHC_SUPPORTED) \
+ _(16417, EAP_ONLY_AUTHENTICATION) \
+ _(16418, CHILDLESS_IKEV2_SUPPORTED) \
+ _(16419, QUICK_CRASH_DETECTION) \
+ _(16420, IKEV2_MESSAGE_ID_SYNC_SUPPORTED) \
+ _(16421, IPSEC_REPLAY_COUNTER_SYNC_SUPPORTED) \
+ _(16422, IKEV2_MESSAGE_ID_SYNC) \
+ _(16423, IPSEC_REPLAY_COUNTER_SYNC) \
+ _(16424, SECURE_PASSWORD_METHODS) \
+ _(16425, PSK_PERSIST) \
+ _(16426, PSK_CONFIRM) \
+ _(16427, ERX_SUPPORTED) \
+ _(16428, IFOM_CAPABILITY) \
+ _(16429, SENDER_REQUEST_ID) \
+ _(16430, IKEV2_FRAGMENTATION_SUPPORTED) \
+ _(16431, SIGNATURE_HASH_ALGORITHMS)
+
+
+typedef enum
+{
+#define _(v,f) IKEV2_NOTIFY_MSG_##f = v,
+ foreach_ikev2_notify_msg_type
+#undef _
+} ikev2_notify_msg_type_t;
+
+#define foreach_ikev2_transform_type \
+ _(0, UNDEFINED, "undefined") \
+ _(1, ENCR, "encr") \
+ _(2, PRF, "prf") \
+ _(3, INTEG, "integ") \
+ _(4, DH, "dh-group") \
+ _(5, ESN, "esn")
+
+typedef enum
+{
+#define _(v,f,s) IKEV2_TRANSFORM_TYPE_##f = v,
+ foreach_ikev2_transform_type
+#undef _
+ IKEV2_TRANSFORM_NUM_TYPES
+} ikev2_transform_type_t;
+
+
+#define foreach_ikev2_transform_encr_type \
+ _(1 , DES_IV64, "des-iv64") \
+ _(2 , DES, "des") \
+ _(3 , 3DES, "3des") \
+ _(4 , RC5, "rc5") \
+ _(5 , IDEA, "idea") \
+ _(6 , CAST, "cast") \
+ _(7 , BLOWFISH, "blowfish") \
+ _(8 , 3IDEA, "3idea") \
+ _(9 , DES_IV32, "des-iv32") \
+ _(11, NULL, "null") \
+ _(12, AES_CBC, "aes-cbc") \
+ _(13, AES_CTR, "aes-ctr")
+
+typedef enum
+{
+#define _(v,f,str) IKEV2_TRANSFORM_ENCR_TYPE_##f = v,
+ foreach_ikev2_transform_encr_type
+#undef _
+} ikev2_transform_encr_type_t;
+
+#define foreach_ikev2_transform_prf_type \
+ _(1, PRF_HMAC_MD5, "hmac-md5") \
+ _(2, PRF_HMAC_SHA1, "hmac-sha1") \
+ _(3, PRF_MAC_TIGER, "mac-tiger") \
+ _(4, PRF_AES128_XCBC, "aes128-xcbc") \
+ _(5, PRF_HMAC_SHA2_256, "hmac-sha2-256") \
+ _(6, PRF_HMAC_SHA2_384, "hmac-sha2-384") \
+ _(7, PRF_HMAC_SHA2_512, "hmac-sha2-512") \
+ _(8, PRF_AES128_CMAC, "aes128-cmac")
+
+typedef enum
+{
+#define _(v,f,str) IKEV2_TRANSFORM_PRF_TYPE_##f = v,
+ foreach_ikev2_transform_prf_type
+#undef _
+} ikev2_transform_prf_type_t;
+
+#define foreach_ikev2_transform_integ_type \
+ _(0, NONE, "none") \
+ _(1, AUTH_HMAC_MD5_96, "md5-96") \
+ _(2, AUTH_HMAC_SHA1_96, "sha1-96") \
+ _(3, AUTH_DES_MAC, "des-mac") \
+ _(4, AUTH_KPDK_MD5, "kpdk-md5") \
+ _(5, AUTH_AES_XCBC_96, "aes-xcbc-96") \
+ _(6, AUTH_HMAC_MD5_128, "md5-128") \
+ _(7, AUTH_HMAC_SHA1_160, "sha1-160") \
+ _(8, AUTH_AES_CMAC_96, "cmac-96") \
+ _(9, AUTH_AES_128_GMAC, "aes-128-gmac") \
+ _(10, AUTH_AES_192_GMAC, "aes-192-gmac") \
+ _(11, AUTH_AES_256_GMAC, "aes-256-gmac") \
+ _(12, AUTH_HMAC_SHA2_256_128, "hmac-sha2-256-128") \
+ _(13, AUTH_HMAC_SHA2_384_192, "hmac-sha2-384-192") \
+ _(14, AUTH_HMAC_SHA2_512_256, "hmac-sha2-512-256")
+
+typedef enum
+{
+#define _(v,f, str) IKEV2_TRANSFORM_INTEG_TYPE_##f = v,
+ foreach_ikev2_transform_integ_type
+#undef _
+} ikev2_transform_integ_type_t;
+
+#if defined(OPENSSL_NO_CISCO_FECDH)
+#define foreach_ikev2_transform_dh_type \
+ _(0, NONE, "none") \
+ _(1, MODP_768, "modp-768") \
+ _(2, MODP_1024, "modp-1024") \
+ _(5, MODP_1536, "modp-1536") \
+ _(14, MODP_2048, "modp-2048") \
+ _(15, MODP_3072, "modp-3072") \
+ _(16, MODP_4096, "modp-4096") \
+ _(17, MODP_6144, "modp-6144") \
+ _(18, MODP_8192, "modp-8192") \
+ _(19, ECP_256, "ecp-256") \
+ _(20, ECP_384, "ecp-384") \
+ _(21, ECP_521, "ecp-521") \
+ _(22, MODP_1024_160, "modp-1024-160") \
+ _(23, MODP_2048_224, "modp-2048-224") \
+ _(24, MODP_2048_256, "modp-2048-256") \
+ _(25, ECP_192, "ecp-192") \
+ _(26, ECP_224, "ecp-224") \
+ _(27, BRAINPOOL_224, "brainpool-224") \
+ _(28, BRAINPOOL_256, "brainpool-256") \
+ _(29, BRAINPOOL_384, "brainpool-384") \
+ _(30, BRAINPOOL_512, "brainpool-512")
+#else
+#define foreach_ikev2_transform_dh_type \
+ _(0, NONE, "none") \
+ _(1, MODP_768, "modp-768") \
+ _(2, MODP_1024, "modp-1024") \
+ _(5, MODP_1536, "modp-1536") \
+ _(14, MODP_2048, "modp-2048") \
+ _(15, MODP_3072, "modp-3072") \
+ _(16, MODP_4096, "modp-4096") \
+ _(17, MODP_6144, "modp-6144") \
+ _(18, MODP_8192, "modp-8192") \
+ _(19, ECP_256, "ecp-256") \
+ _(20, ECP_384, "ecp-384") \
+ _(21, ECP_521, "ecp-521") \
+ _(22, MODP_1024_160, "modp-1024-160") \
+ _(23, MODP_2048_224, "modp-2048-224") \
+ _(24, MODP_2048_256, "modp-2048-256") \
+ _(25, ECP_192, "ecp-192")
+#endif
+
+typedef enum
+{
+#define _(v,f, str) IKEV2_TRANSFORM_DH_TYPE_##f = v,
+ foreach_ikev2_transform_dh_type
+#undef _
+} ikev2_transform_dh_type_t;
+
+#define foreach_ikev2_transform_esn_type \
+ _(0, NO_ESN, "no") \
+ _(1, ESN, "yes")
+
+typedef enum
+{
+#define _(v,f,str) IKEV2_TRANSFORM_ESN_TYPE_##f = v,
+ foreach_ikev2_transform_esn_type
+#undef _
+} ikev2_transform_esn_type_t;
+
+#define foreach_ikev2_auth_method \
+ _( 1, RSA_SIG, "rsa-sig") \
+ _( 2, SHARED_KEY_MIC, "shared-key-mic")
+
+typedef enum
+{
+#define _(v,f,s) IKEV2_AUTH_METHOD_##f = v,
+ foreach_ikev2_auth_method
+#undef _
+} ikev2_auth_method_t;
+
+#define foreach_ikev2_id_type \
+ _( 1, ID_IPV4_ADDR, "ip4-addr") \
+ _( 2, ID_FQDN, "fqdn") \
+ _( 3, ID_RFC822_ADDR, "rfc822") \
+ _( 5, ID_IPV6_ADDR, "ip6-addr") \
+ _( 9, ID_DER_ASN1_DN, "der-asn1-dn") \
+ _(10, ID_DER_ASN1_GN, "der-asn1-gn") \
+ _(11, ID_KEY_ID, "key-id")
+
+typedef enum
+{
+#define _(v,f,s) IKEV2_ID_TYPE_##f = v,
+ foreach_ikev2_id_type
+#undef _
+} ikev2_id_type_t;
+
+clib_error_t *ikev2_init (vlib_main_t * vm);
+clib_error_t *ikev2_set_local_key (vlib_main_t * vm, u8 * file);
+clib_error_t *ikev2_add_del_profile (vlib_main_t * vm, u8 * name, int is_add);
+clib_error_t *ikev2_set_profile_auth (vlib_main_t * vm, u8 * name,
+ u8 auth_method, u8 * data,
+ u8 data_hex_format);
+clib_error_t *ikev2_set_profile_id (vlib_main_t * vm, u8 * name,
+ u8 id_type, u8 * data, int is_local);
+clib_error_t *ikev2_set_profile_ts (vlib_main_t * vm, u8 * name,
+ u8 protocol_id, u16 start_port,
+ u16 end_port, ip4_address_t start_addr,
+ ip4_address_t end_addr, int is_local);
+clib_error_t *ikev2_set_profile_responder (vlib_main_t * vm, u8 * name,
+ u32 sw_if_index,
+ ip4_address_t ip4);
+clib_error_t *ikev2_set_profile_ike_transforms (vlib_main_t * vm, u8 * name,
+ ikev2_transform_encr_type_t
+ crypto_alg,
+ ikev2_transform_integ_type_t
+ integ_alg,
+ ikev2_transform_dh_type_t
+ dh_type, u32 crypto_key_size);
+clib_error_t *ikev2_set_profile_esp_transforms (vlib_main_t * vm, u8 * name,
+ ikev2_transform_encr_type_t
+ crypto_alg,
+ ikev2_transform_integ_type_t
+ integ_alg,
+ ikev2_transform_dh_type_t
+ dh_type, u32 crypto_key_size);
+clib_error_t *ikev2_set_profile_sa_lifetime (vlib_main_t * vm, u8 * name,
+ u64 lifetime, u32 jitter,
+ u32 handover, u64 maxdata);
+clib_error_t *ikev2_initiate_sa_init (vlib_main_t * vm, u8 * name);
+clib_error_t *ikev2_initiate_delete_child_sa (vlib_main_t * vm, u32 ispi);
+clib_error_t *ikev2_initiate_delete_ike_sa (vlib_main_t * vm, u64 ispi);
+clib_error_t *ikev2_initiate_rekey_child_sa (vlib_main_t * vm, u32 ispi);
+
+/* ikev2_format.c */
+u8 *format_ikev2_auth_method (u8 * s, va_list * args);
+u8 *format_ikev2_id_type (u8 * s, va_list * args);
+u8 *format_ikev2_transform_type (u8 * s, va_list * args);
+u8 *format_ikev2_notify_msg_type (u8 * s, va_list * args);
+u8 *format_ikev2_transform_encr_type (u8 * s, va_list * args);
+u8 *format_ikev2_transform_prf_type (u8 * s, va_list * args);
+u8 *format_ikev2_transform_integ_type (u8 * s, va_list * args);
+u8 *format_ikev2_transform_dh_type (u8 * s, va_list * args);
+u8 *format_ikev2_transform_esn_type (u8 * s, va_list * args);
+u8 *format_ikev2_sa_transform (u8 * s, va_list * args);
+
+uword unformat_ikev2_auth_method (unformat_input_t * input, va_list * args);
+uword unformat_ikev2_id_type (unformat_input_t * input, va_list * args);
+uword unformat_ikev2_transform_type (unformat_input_t * input,
+ va_list * args);
+uword unformat_ikev2_transform_encr_type (unformat_input_t * input,
+ va_list * args);
+uword unformat_ikev2_transform_prf_type (unformat_input_t * input,
+ va_list * args);
+uword unformat_ikev2_transform_integ_type (unformat_input_t * input,
+ va_list * args);
+uword unformat_ikev2_transform_dh_type (unformat_input_t * input,
+ va_list * args);
+uword unformat_ikev2_transform_esn_type (unformat_input_t * input,
+ va_list * args);
+
+#endif /* __included_ikev2_h__ */
+
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */
diff --git a/src/plugins/ikev2/ikev2_api.c b/src/plugins/ikev2/ikev2_api.c
new file mode 100644
index 00000000000..ace28c5aa20
--- /dev/null
+++ b/src/plugins/ikev2/ikev2_api.c
@@ -0,0 +1,468 @@
+/*
+ *------------------------------------------------------------------
+ * ipsec_api.c - ipsec api
+ *
+ * Copyright (c) 2016 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 <vlibmemory/api.h>
+#include <vnet/api_errno.h>
+#include <vpp/app/version.h>
+
+#include <ikev2/ikev2.h>
+#include <ikev2/ikev2_priv.h>
+
+/* define message IDs */
+#include <plugins/ikev2/ikev2_msg_enum.h>
+
+#define vl_typedefs /* define message structures */
+#include <ikev2/ikev2.api.h>
+#undef vl_typedefs
+
+#define vl_endianfun /* define message structures */
+#include <ikev2/ikev2.api.h>
+#undef vl_endianfun
+
+/* instantiate all the print functions we know about */
+#define vl_print(handle, ...) vlib_cli_output (handle, __VA_ARGS__)
+#define vl_printfun
+#include <ikev2/ikev2.api.h>
+#undef vl_printfun
+
+/* Get the API version number */
+#define vl_api_version(n,v) static u32 api_version=(v);
+#include <ikev2/ikev2.api.h>
+#undef vl_api_version
+
+extern ikev2_main_t ikev2_main;
+
+#define IKEV2_PLUGIN_VERSION_MAJOR 1
+#define IKEV2_PLUGIN_VERSION_MINOR 0
+#define REPLY_MSG_ID_BASE ikev2_main.msg_id_base
+#include <vlibapi/api_helper_macros.h>
+
+#define foreach_ikev2_api_msg \
+_(IKEV2_PLUGIN_GET_VERSION, ikev2_plugin_get_version) \
+_(IKEV2_PROFILE_ADD_DEL, ikev2_profile_add_del) \
+_(IKEV2_PROFILE_SET_AUTH, ikev2_profile_set_auth) \
+_(IKEV2_PROFILE_SET_ID, ikev2_profile_set_id) \
+_(IKEV2_PROFILE_SET_TS, ikev2_profile_set_ts) \
+_(IKEV2_SET_LOCAL_KEY, ikev2_set_local_key) \
+_(IKEV2_SET_RESPONDER, ikev2_set_responder) \
+_(IKEV2_SET_IKE_TRANSFORMS, ikev2_set_ike_transforms) \
+_(IKEV2_SET_ESP_TRANSFORMS, ikev2_set_esp_transforms) \
+_(IKEV2_SET_SA_LIFETIME, ikev2_set_sa_lifetime) \
+_(IKEV2_INITIATE_SA_INIT, ikev2_initiate_sa_init) \
+_(IKEV2_INITIATE_DEL_IKE_SA, ikev2_initiate_del_ike_sa) \
+_(IKEV2_INITIATE_DEL_CHILD_SA, ikev2_initiate_del_child_sa) \
+_(IKEV2_INITIATE_REKEY_CHILD_SA, ikev2_initiate_rekey_child_sa)
+
+static void
+vl_api_ikev2_plugin_get_version_t_handler (vl_api_ikev2_plugin_get_version_t *
+ mp)
+{
+ ikev2_main_t *im = &ikev2_main;
+ vl_api_ikev2_plugin_get_version_reply_t *rmp;
+ int msg_size = sizeof (*rmp);
+ vl_api_registration_t *reg;
+
+ reg = vl_api_client_index_to_registration (mp->client_index);
+ if (!reg)
+ return;
+
+ rmp = vl_msg_api_alloc (msg_size);
+ clib_memset (rmp, 0, msg_size);
+ rmp->_vl_msg_id =
+ ntohs (VL_API_IKEV2_PLUGIN_GET_VERSION_REPLY + im->msg_id_base);
+ rmp->context = mp->context;
+ rmp->major = htonl (IKEV2_PLUGIN_VERSION_MAJOR);
+ rmp->minor = htonl (IKEV2_PLUGIN_VERSION_MINOR);
+
+ vl_api_send_msg (reg, (u8 *) rmp);
+}
+
+static void
+vl_api_ikev2_profile_add_del_t_handler (vl_api_ikev2_profile_add_del_t * mp)
+{
+ vl_api_ikev2_profile_add_del_reply_t *rmp;
+ int rv = 0;
+
+#if WITH_LIBSSL > 0
+ vlib_main_t *vm = vlib_get_main ();
+ clib_error_t *error;
+ u8 *tmp = format (0, "%s", mp->name);
+ error = ikev2_add_del_profile (vm, tmp, mp->is_add);
+ vec_free (tmp);
+ if (error)
+ rv = VNET_API_ERROR_UNSPECIFIED;
+#else
+ rv = VNET_API_ERROR_UNIMPLEMENTED;
+#endif
+
+ REPLY_MACRO (VL_API_IKEV2_PROFILE_ADD_DEL_REPLY);
+}
+
+static void
+ vl_api_ikev2_profile_set_auth_t_handler
+ (vl_api_ikev2_profile_set_auth_t * mp)
+{
+ vl_api_ikev2_profile_set_auth_reply_t *rmp;
+ int rv = 0;
+
+#if WITH_LIBSSL > 0
+ vlib_main_t *vm = vlib_get_main ();
+ clib_error_t *error;
+ int data_len = ntohl (mp->data_len);
+ u8 *tmp = format (0, "%s", mp->name);
+ u8 *data = vec_new (u8, data_len);
+ clib_memcpy (data, mp->data, data_len);
+ error = ikev2_set_profile_auth (vm, tmp, mp->auth_method, data, mp->is_hex);
+ vec_free (tmp);
+ vec_free (data);
+ if (error)
+ rv = VNET_API_ERROR_UNSPECIFIED;
+#else
+ rv = VNET_API_ERROR_UNIMPLEMENTED;
+#endif
+
+ REPLY_MACRO (VL_API_IKEV2_PROFILE_SET_AUTH_REPLY);
+}
+
+static void
+vl_api_ikev2_profile_set_id_t_handler (vl_api_ikev2_profile_set_id_t * mp)
+{
+ vl_api_ikev2_profile_add_del_reply_t *rmp;
+ int rv = 0;
+
+#if WITH_LIBSSL > 0
+ vlib_main_t *vm = vlib_get_main ();
+ clib_error_t *error;
+ u8 *tmp = format (0, "%s", mp->name);
+ int data_len = ntohl (mp->data_len);
+ u8 *data = vec_new (u8, data_len);
+ clib_memcpy (data, mp->data, data_len);
+ error = ikev2_set_profile_id (vm, tmp, mp->id_type, data, mp->is_local);
+ vec_free (tmp);
+ vec_free (data);
+ if (error)
+ rv = VNET_API_ERROR_UNSPECIFIED;
+#else
+ rv = VNET_API_ERROR_UNIMPLEMENTED;
+#endif
+
+ REPLY_MACRO (VL_API_IKEV2_PROFILE_SET_ID_REPLY);
+}
+
+static void
+vl_api_ikev2_profile_set_ts_t_handler (vl_api_ikev2_profile_set_ts_t * mp)
+{
+ vl_api_ikev2_profile_set_ts_reply_t *rmp;
+ int rv = 0;
+
+#if WITH_LIBSSL > 0
+ vlib_main_t *vm = vlib_get_main ();
+ clib_error_t *error;
+ u8 *tmp = format (0, "%s", mp->name);
+ error = ikev2_set_profile_ts (vm, tmp, mp->proto, mp->start_port,
+ mp->end_port, (ip4_address_t) mp->start_addr,
+ (ip4_address_t) mp->end_addr, mp->is_local);
+ vec_free (tmp);
+ if (error)
+ rv = VNET_API_ERROR_UNSPECIFIED;
+#else
+ rv = VNET_API_ERROR_UNIMPLEMENTED;
+#endif
+
+ REPLY_MACRO (VL_API_IKEV2_PROFILE_SET_TS_REPLY);
+}
+
+static void
+vl_api_ikev2_set_local_key_t_handler (vl_api_ikev2_set_local_key_t * mp)
+{
+ vl_api_ikev2_profile_set_ts_reply_t *rmp;
+ int rv = 0;
+
+#if WITH_LIBSSL > 0
+ vlib_main_t *vm = vlib_get_main ();
+ clib_error_t *error;
+
+ error = ikev2_set_local_key (vm, mp->key_file);
+ if (error)
+ rv = VNET_API_ERROR_UNSPECIFIED;
+#else
+ rv = VNET_API_ERROR_UNIMPLEMENTED;
+#endif
+
+ REPLY_MACRO (VL_API_IKEV2_SET_LOCAL_KEY_REPLY);
+}
+
+static void
+vl_api_ikev2_set_responder_t_handler (vl_api_ikev2_set_responder_t * mp)
+{
+ vl_api_ikev2_set_responder_reply_t *rmp;
+ int rv = 0;
+
+#if WITH_LIBSSL > 0
+ vlib_main_t *vm = vlib_get_main ();
+ clib_error_t *error;
+
+ u8 *tmp = format (0, "%s", mp->name);
+ ip4_address_t ip4;
+ clib_memcpy (&ip4, mp->address, sizeof (ip4));
+
+ error = ikev2_set_profile_responder (vm, tmp, mp->sw_if_index, ip4);
+ vec_free (tmp);
+ if (error)
+ rv = VNET_API_ERROR_UNSPECIFIED;
+#else
+ rv = VNET_API_ERROR_UNIMPLEMENTED;
+#endif
+
+ REPLY_MACRO (VL_API_IKEV2_SET_RESPONDER_REPLY);
+}
+
+static void
+vl_api_ikev2_set_ike_transforms_t_handler (vl_api_ikev2_set_ike_transforms_t *
+ mp)
+{
+ vl_api_ikev2_set_ike_transforms_reply_t *rmp;
+ int rv = 0;
+
+#if WITH_LIBSSL > 0
+ vlib_main_t *vm = vlib_get_main ();
+ clib_error_t *error;
+
+ u8 *tmp = format (0, "%s", mp->name);
+
+ error =
+ ikev2_set_profile_ike_transforms (vm, tmp, mp->crypto_alg, mp->integ_alg,
+ mp->dh_group, mp->crypto_key_size);
+ vec_free (tmp);
+ if (error)
+ rv = VNET_API_ERROR_UNSPECIFIED;
+#else
+ rv = VNET_API_ERROR_UNIMPLEMENTED;
+#endif
+
+ REPLY_MACRO (VL_API_IKEV2_SET_IKE_TRANSFORMS_REPLY);
+}
+
+static void
+vl_api_ikev2_set_esp_transforms_t_handler (vl_api_ikev2_set_esp_transforms_t *
+ mp)
+{
+ vl_api_ikev2_set_esp_transforms_reply_t *rmp;
+ int rv = 0;
+
+#if WITH_LIBSSL > 0
+ vlib_main_t *vm = vlib_get_main ();
+ clib_error_t *error;
+
+ u8 *tmp = format (0, "%s", mp->name);
+
+ error =
+ ikev2_set_profile_esp_transforms (vm, tmp, mp->crypto_alg, mp->integ_alg,
+ mp->dh_group, mp->crypto_key_size);
+ vec_free (tmp);
+ if (error)
+ rv = VNET_API_ERROR_UNSPECIFIED;
+#else
+ rv = VNET_API_ERROR_UNIMPLEMENTED;
+#endif
+
+ REPLY_MACRO (VL_API_IKEV2_SET_ESP_TRANSFORMS_REPLY);
+}
+
+static void
+vl_api_ikev2_set_sa_lifetime_t_handler (vl_api_ikev2_set_sa_lifetime_t * mp)
+{
+ vl_api_ikev2_set_sa_lifetime_reply_t *rmp;
+ int rv = 0;
+
+#if WITH_LIBSSL > 0
+ vlib_main_t *vm = vlib_get_main ();
+ clib_error_t *error;
+
+ u8 *tmp = format (0, "%s", mp->name);
+
+ error =
+ ikev2_set_profile_sa_lifetime (vm, tmp, mp->lifetime, mp->lifetime_jitter,
+ mp->handover, mp->lifetime_maxdata);
+ vec_free (tmp);
+ if (error)
+ rv = VNET_API_ERROR_UNSPECIFIED;
+#else
+ rv = VNET_API_ERROR_UNIMPLEMENTED;
+#endif
+
+ REPLY_MACRO (VL_API_IKEV2_SET_SA_LIFETIME_REPLY);
+}
+
+static void
+vl_api_ikev2_initiate_sa_init_t_handler (vl_api_ikev2_initiate_sa_init_t * mp)
+{
+ vl_api_ikev2_initiate_sa_init_reply_t *rmp;
+ int rv = 0;
+
+#if WITH_LIBSSL > 0
+ vlib_main_t *vm = vlib_get_main ();
+ clib_error_t *error;
+
+ u8 *tmp = format (0, "%s", mp->name);
+
+ error = ikev2_initiate_sa_init (vm, tmp);
+ vec_free (tmp);
+ if (error)
+ rv = VNET_API_ERROR_UNSPECIFIED;
+#else
+ rv = VNET_API_ERROR_UNIMPLEMENTED;
+#endif
+
+ REPLY_MACRO (VL_API_IKEV2_INITIATE_SA_INIT_REPLY);
+}
+
+static void
+vl_api_ikev2_initiate_del_ike_sa_t_handler (vl_api_ikev2_initiate_del_ike_sa_t
+ * mp)
+{
+ vl_api_ikev2_initiate_del_ike_sa_reply_t *rmp;
+ int rv = 0;
+
+#if WITH_LIBSSL > 0
+ vlib_main_t *vm = vlib_get_main ();
+ clib_error_t *error;
+
+ error = ikev2_initiate_delete_ike_sa (vm, mp->ispi);
+ if (error)
+ rv = VNET_API_ERROR_UNSPECIFIED;
+#else
+ rv = VNET_API_ERROR_UNIMPLEMENTED;
+#endif
+
+ REPLY_MACRO (VL_API_IKEV2_INITIATE_DEL_IKE_SA_REPLY);
+}
+
+static void
+ vl_api_ikev2_initiate_del_child_sa_t_handler
+ (vl_api_ikev2_initiate_del_child_sa_t * mp)
+{
+ vl_api_ikev2_initiate_del_child_sa_reply_t *rmp;
+ int rv = 0;
+
+#if WITH_LIBSSL > 0
+ vlib_main_t *vm = vlib_get_main ();
+ clib_error_t *error;
+
+ error = ikev2_initiate_delete_child_sa (vm, mp->ispi);
+ if (error)
+ rv = VNET_API_ERROR_UNSPECIFIED;
+#else
+ rv = VNET_API_ERROR_UNIMPLEMENTED;
+#endif
+
+ REPLY_MACRO (VL_API_IKEV2_INITIATE_DEL_CHILD_SA_REPLY);
+}
+
+static void
+ vl_api_ikev2_initiate_rekey_child_sa_t_handler
+ (vl_api_ikev2_initiate_rekey_child_sa_t * mp)
+{
+ vl_api_ikev2_initiate_rekey_child_sa_reply_t *rmp;
+ int rv = 0;
+
+#if WITH_LIBSSL > 0
+ vlib_main_t *vm = vlib_get_main ();
+ clib_error_t *error;
+
+ error = ikev2_initiate_rekey_child_sa (vm, mp->ispi);
+ if (error)
+ rv = VNET_API_ERROR_UNSPECIFIED;
+#else
+ rv = VNET_API_ERROR_UNIMPLEMENTED;
+#endif
+
+ REPLY_MACRO (VL_API_IKEV2_INITIATE_REKEY_CHILD_SA_REPLY);
+}
+
+/*
+ * ikev2_api_hookup
+ * Add vpe's API message handlers to the table.
+ * vlib has already mapped shared memory and
+ * added the client registration handlers.
+ * See .../vlib-api/vlibmemory/memclnt_vlib.c:memclnt_process()
+ */
+#define vl_msg_name_crc_list
+#include <ikev2/ikev2.api.h>
+#undef vl_msg_name_crc_list
+
+static void
+setup_message_id_table (ikev2_main_t * im, api_main_t * am)
+{
+#define _(id,n,crc) \
+ vl_msg_api_add_msg_name_crc (am, #n "_" #crc, id + im->msg_id_base);
+ foreach_vl_msg_name_crc_ikev2;
+#undef _
+}
+
+static clib_error_t *
+ikev2_plugin_api_hookup (vlib_main_t * vm)
+{
+ ikev2_main_t *im = &ikev2_main;
+#define _(N,n) \
+ vl_msg_api_set_handlers(VL_API_##N + im->msg_id_base, #n, \
+ vl_api_##n##_t_handler, \
+ vl_noop_handler, \
+ vl_api_##n##_t_endian, \
+ vl_api_##n##_t_print, \
+ sizeof(vl_api_##n##_t), 1);
+ foreach_ikev2_api_msg;
+#undef _
+
+ return (NULL);
+}
+
+static clib_error_t *
+ikev2_api_init (vlib_main_t * vm)
+{
+ ikev2_main_t *im = &ikev2_main;
+ clib_error_t *error = 0;
+ u8 *name;
+
+ name = format (0, "ikev2_%08x%c", api_version, 0);
+
+ /* Ask for a correctly-sized block of API message decode slots */
+ im->msg_id_base = vl_msg_api_get_msg_ids ((char *) name,
+ VL_MSG_FIRST_AVAILABLE);
+
+ error = ikev2_plugin_api_hookup (vm);
+
+ /* Add our API messages to the global name_crc hash table */
+ setup_message_id_table (im, &api_main);
+
+ vec_free (name);
+
+ return (error);
+}
+
+VLIB_INIT_FUNCTION (ikev2_api_init);
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */
diff --git a/src/plugins/ikev2/ikev2_cli.c b/src/plugins/ikev2/ikev2_cli.c
new file mode 100644
index 00000000000..8801793be0b
--- /dev/null
+++ b/src/plugins/ikev2/ikev2_cli.c
@@ -0,0 +1,602 @@
+/*
+ * 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 <vlib/vlib.h>
+#include <vnet/vnet.h>
+#include <vnet/pg/pg.h>
+#include <vppinfra/error.h>
+#include <vnet/udp/udp.h>
+#include <plugins/ikev2/ikev2.h>
+#include <plugins/ikev2/ikev2_priv.h>
+
+u8 *
+format_ikev2_id_type_and_data (u8 * s, va_list * args)
+{
+ ikev2_id_t *id = va_arg (*args, ikev2_id_t *);
+
+ if (id->type == 0 || vec_len (id->data) == 0)
+ return format (s, "none");
+
+ s = format (s, "%U", format_ikev2_id_type, id->type);
+
+ if (id->type == IKEV2_ID_TYPE_ID_FQDN ||
+ id->type == IKEV2_ID_TYPE_ID_RFC822_ADDR)
+ {
+ s = format (s, " %v", id->data);
+ }
+ else
+ {
+ s =
+ format (s, " %U", format_hex_bytes, &id->data,
+ (uword) (vec_len (id->data)));
+ }
+
+ return s;
+}
+
+
+static clib_error_t *
+show_ikev2_sa_command_fn (vlib_main_t * vm,
+ unformat_input_t * input, vlib_cli_command_t * cmd)
+{
+ ikev2_main_t *km = &ikev2_main;
+ ikev2_main_per_thread_data_t *tkm;
+ ikev2_sa_t *sa;
+ ikev2_ts_t *ts;
+ ikev2_child_sa_t *child;
+ ikev2_sa_transform_t *tr;
+
+ vec_foreach (tkm, km->per_thread_data)
+ {
+ /* *INDENT-OFF* */
+ pool_foreach (sa, tkm->sas, ({
+ u8 * s = 0;
+ vlib_cli_output(vm, " iip %U ispi %lx rip %U rspi %lx",
+ format_ip4_address, &sa->iaddr, sa->ispi,
+ format_ip4_address, &sa->raddr, sa->rspi);
+
+ tr = ikev2_sa_get_td_for_type(sa->r_proposals, IKEV2_TRANSFORM_TYPE_ENCR);
+ s = format(s, "%U ", format_ikev2_sa_transform, tr);
+
+ tr = ikev2_sa_get_td_for_type(sa->r_proposals, IKEV2_TRANSFORM_TYPE_PRF);
+ s = format(s, "%U ", format_ikev2_sa_transform, tr);
+
+ tr = ikev2_sa_get_td_for_type(sa->r_proposals, IKEV2_TRANSFORM_TYPE_INTEG);
+ s = format(s, "%U ", format_ikev2_sa_transform, tr);
+
+ tr = ikev2_sa_get_td_for_type(sa->r_proposals, IKEV2_TRANSFORM_TYPE_DH);
+ s = format(s, "%U ", format_ikev2_sa_transform, tr);
+
+ vlib_cli_output(vm, " %v", s);
+ vec_free(s);
+
+ vlib_cli_output(vm, " nonce i:%U\n r:%U",
+ format_hex_bytes, sa->i_nonce, vec_len(sa->i_nonce),
+ format_hex_bytes, sa->r_nonce, vec_len(sa->r_nonce));
+
+ vlib_cli_output(vm, " SK_d %U",
+ format_hex_bytes, sa->sk_d, vec_len(sa->sk_d));
+ vlib_cli_output(vm, " SK_a i:%U\n r:%U",
+ format_hex_bytes, sa->sk_ai, vec_len(sa->sk_ai),
+ format_hex_bytes, sa->sk_ar, vec_len(sa->sk_ar));
+ vlib_cli_output(vm, " SK_e i:%U\n r:%U",
+ format_hex_bytes, sa->sk_ei, vec_len(sa->sk_ei),
+ format_hex_bytes, sa->sk_er, vec_len(sa->sk_er));
+ vlib_cli_output(vm, " SK_p i:%U\n r:%U",
+ format_hex_bytes, sa->sk_pi, vec_len(sa->sk_pi),
+ format_hex_bytes, sa->sk_pr, vec_len(sa->sk_pr));
+
+ vlib_cli_output(vm, " identifier (i) %U",
+ format_ikev2_id_type_and_data, &sa->i_id);
+ vlib_cli_output(vm, " identifier (r) %U",
+ format_ikev2_id_type_and_data, &sa->r_id);
+
+ vec_foreach(child, sa->childs)
+ {
+ vlib_cli_output(vm, " child sa %u:", child - sa->childs);
+
+ tr = ikev2_sa_get_td_for_type(child->r_proposals, IKEV2_TRANSFORM_TYPE_ENCR);
+ s = format(s, "%U ", format_ikev2_sa_transform, tr);
+
+ tr = ikev2_sa_get_td_for_type(child->r_proposals, IKEV2_TRANSFORM_TYPE_INTEG);
+ s = format(s, "%U ", format_ikev2_sa_transform, tr);
+
+ tr = ikev2_sa_get_td_for_type(child->r_proposals, IKEV2_TRANSFORM_TYPE_ESN);
+ s = format(s, "%U ", format_ikev2_sa_transform, tr);
+
+ vlib_cli_output(vm, " %v", s);
+ vec_free(s);
+
+ vlib_cli_output(vm, " spi(i) %lx spi(r) %lx",
+ child->i_proposals ? child->i_proposals[0].spi : 0,
+ child->r_proposals ? child->r_proposals[0].spi : 0);
+
+ vlib_cli_output(vm, " SK_e i:%U\n r:%U",
+ format_hex_bytes, child->sk_ei, vec_len(child->sk_ei),
+ format_hex_bytes, child->sk_er, vec_len(child->sk_er));
+ vlib_cli_output(vm, " SK_a i:%U\n r:%U",
+ format_hex_bytes, child->sk_ai, vec_len(child->sk_ai),
+ format_hex_bytes, child->sk_ar, vec_len(child->sk_ar));
+ vlib_cli_output(vm, " traffic selectors (i):");
+ vec_foreach(ts, child->tsi)
+ {
+ vlib_cli_output(vm, " %u type %u protocol_id %u addr "
+ "%U - %U port %u - %u",
+ ts - child->tsi,
+ ts->ts_type, ts->protocol_id,
+ format_ip4_address, &ts->start_addr,
+ format_ip4_address, &ts->end_addr,
+ clib_net_to_host_u16( ts->start_port),
+ clib_net_to_host_u16( ts->end_port));
+ }
+ vlib_cli_output(vm, " traffic selectors (r):");
+ vec_foreach(ts, child->tsr)
+ {
+ vlib_cli_output(vm, " %u type %u protocol_id %u addr "
+ "%U - %U port %u - %u",
+ ts - child->tsr,
+ ts->ts_type, ts->protocol_id,
+ format_ip4_address, &ts->start_addr,
+ format_ip4_address, &ts->end_addr,
+ clib_net_to_host_u16( ts->start_port),
+ clib_net_to_host_u16( ts->end_port));
+ }
+ }
+ vlib_cli_output(vm, "");
+ }));
+ /* *INDENT-ON* */
+ }
+ return 0;
+}
+
+/* *INDENT-OFF* */
+VLIB_CLI_COMMAND (show_ikev2_sa_command, static) = {
+ .path = "show ikev2 sa",
+ .short_help = "show ikev2 sa",
+ .function = show_ikev2_sa_command_fn,
+};
+/* *INDENT-ON* */
+
+static clib_error_t *
+ikev2_profile_add_del_command_fn (vlib_main_t * vm,
+ unformat_input_t * input,
+ vlib_cli_command_t * cmd)
+{
+ vnet_main_t *vnm = vnet_get_main ();
+ unformat_input_t _line_input, *line_input = &_line_input;
+ u8 *name = 0;
+ clib_error_t *r = 0;
+ u32 id_type;
+ u8 *data = 0;
+ u32 tmp1, tmp2, tmp3;
+ u64 tmp4, tmp5;
+ ip4_address_t ip4;
+ ip4_address_t end_addr;
+ u32 responder_sw_if_index = (u32) ~ 0;
+ ip4_address_t responder_ip4;
+ ikev2_transform_encr_type_t crypto_alg;
+ ikev2_transform_integ_type_t integ_alg;
+ ikev2_transform_dh_type_t dh_type;
+
+ const char *valid_chars = "a-zA-Z0-9_";
+
+ if (!unformat_user (input, unformat_line_input, line_input))
+ return 0;
+
+ while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
+ {
+ if (unformat (line_input, "add %U", unformat_token, valid_chars, &name))
+ {
+ r = ikev2_add_del_profile (vm, name, 1);
+ goto done;
+ }
+ else
+ if (unformat
+ (line_input, "del %U", unformat_token, valid_chars, &name))
+ {
+ r = ikev2_add_del_profile (vm, name, 0);
+ goto done;
+ }
+ else if (unformat (line_input, "set %U auth shared-key-mic string %v",
+ unformat_token, valid_chars, &name, &data))
+ {
+ r =
+ ikev2_set_profile_auth (vm, name,
+ IKEV2_AUTH_METHOD_SHARED_KEY_MIC, data,
+ 0);
+ goto done;
+ }
+ else if (unformat (line_input, "set %U auth shared-key-mic hex %U",
+ unformat_token, valid_chars, &name,
+ unformat_hex_string, &data))
+ {
+ r =
+ ikev2_set_profile_auth (vm, name,
+ IKEV2_AUTH_METHOD_SHARED_KEY_MIC, data,
+ 1);
+ goto done;
+ }
+ else if (unformat (line_input, "set %U auth rsa-sig cert-file %v",
+ unformat_token, valid_chars, &name, &data))
+ {
+ r =
+ ikev2_set_profile_auth (vm, name, IKEV2_AUTH_METHOD_RSA_SIG, data,
+ 0);
+ goto done;
+ }
+ else if (unformat (line_input, "set %U id local %U %U",
+ unformat_token, valid_chars, &name,
+ unformat_ikev2_id_type, &id_type,
+ unformat_ip4_address, &ip4))
+ {
+ data = vec_new (u8, 4);
+ clib_memcpy (data, ip4.as_u8, 4);
+ r =
+ ikev2_set_profile_id (vm, name, (u8) id_type, data, /*local */ 1);
+ goto done;
+ }
+ else if (unformat (line_input, "set %U id local %U 0x%U",
+ unformat_token, valid_chars, &name,
+ unformat_ikev2_id_type, &id_type,
+ unformat_hex_string, &data))
+ {
+ r =
+ ikev2_set_profile_id (vm, name, (u8) id_type, data, /*local */ 1);
+ goto done;
+ }
+ else if (unformat (line_input, "set %U id local %U %v",
+ unformat_token, valid_chars, &name,
+ unformat_ikev2_id_type, &id_type, &data))
+ {
+ r =
+ ikev2_set_profile_id (vm, name, (u8) id_type, data, /*local */ 1);
+ goto done;
+ }
+ else if (unformat (line_input, "set %U id remote %U %U",
+ unformat_token, valid_chars, &name,
+ unformat_ikev2_id_type, &id_type,
+ unformat_ip4_address, &ip4))
+ {
+ data = vec_new (u8, 4);
+ clib_memcpy (data, ip4.as_u8, 4);
+ r = ikev2_set_profile_id (vm, name, (u8) id_type, data, /*remote */
+ 0);
+ goto done;
+ }
+ else if (unformat (line_input, "set %U id remote %U 0x%U",
+ unformat_token, valid_chars, &name,
+ unformat_ikev2_id_type, &id_type,
+ unformat_hex_string, &data))
+ {
+ r = ikev2_set_profile_id (vm, name, (u8) id_type, data, /*remote */
+ 0);
+ goto done;
+ }
+ else if (unformat (line_input, "set %U id remote %U %v",
+ unformat_token, valid_chars, &name,
+ unformat_ikev2_id_type, &id_type, &data))
+ {
+ r = ikev2_set_profile_id (vm, name, (u8) id_type, data, /*remote */
+ 0);
+ goto done;
+ }
+ else if (unformat (line_input, "set %U traffic-selector local "
+ "ip-range %U - %U port-range %u - %u protocol %u",
+ unformat_token, valid_chars, &name,
+ unformat_ip4_address, &ip4,
+ unformat_ip4_address, &end_addr,
+ &tmp1, &tmp2, &tmp3))
+ {
+ r =
+ ikev2_set_profile_ts (vm, name, (u8) tmp3, (u16) tmp1, (u16) tmp2,
+ ip4, end_addr, /*local */ 1);
+ goto done;
+ }
+ else if (unformat (line_input, "set %U traffic-selector remote "
+ "ip-range %U - %U port-range %u - %u protocol %u",
+ unformat_token, valid_chars, &name,
+ unformat_ip4_address, &ip4,
+ unformat_ip4_address, &end_addr,
+ &tmp1, &tmp2, &tmp3))
+ {
+ r =
+ ikev2_set_profile_ts (vm, name, (u8) tmp3, (u16) tmp1, (u16) tmp2,
+ ip4, end_addr, /*remote */ 0);
+ goto done;
+ }
+ else if (unformat (line_input, "set %U responder %U %U",
+ unformat_token, valid_chars, &name,
+ unformat_vnet_sw_interface, vnm,
+ &responder_sw_if_index, unformat_ip4_address,
+ &responder_ip4))
+ {
+ r =
+ ikev2_set_profile_responder (vm, name, responder_sw_if_index,
+ responder_ip4);
+ goto done;
+ }
+ else
+ if (unformat
+ (line_input,
+ "set %U ike-crypto-alg %U %u ike-integ-alg %U ike-dh %U",
+ unformat_token, valid_chars, &name,
+ unformat_ikev2_transform_encr_type, &crypto_alg, &tmp1,
+ unformat_ikev2_transform_integ_type, &integ_alg,
+ unformat_ikev2_transform_dh_type, &dh_type))
+ {
+ r =
+ ikev2_set_profile_ike_transforms (vm, name, crypto_alg, integ_alg,
+ dh_type, tmp1);
+ goto done;
+ }
+ else
+ if (unformat
+ (line_input,
+ "set %U esp-crypto-alg %U %u esp-integ-alg %U esp-dh %U",
+ unformat_token, valid_chars, &name,
+ unformat_ikev2_transform_encr_type, &crypto_alg, &tmp1,
+ unformat_ikev2_transform_integ_type, &integ_alg,
+ unformat_ikev2_transform_dh_type, &dh_type))
+ {
+ r =
+ ikev2_set_profile_esp_transforms (vm, name, crypto_alg, integ_alg,
+ dh_type, tmp1);
+ goto done;
+ }
+ else if (unformat (line_input, "set %U sa-lifetime %lu %u %u %lu",
+ unformat_token, valid_chars, &name,
+ &tmp4, &tmp1, &tmp2, &tmp5))
+ {
+ r =
+ ikev2_set_profile_sa_lifetime (vm, name, tmp4, tmp1, tmp2, tmp5);
+ goto done;
+ }
+ else
+ break;
+ }
+
+ r = clib_error_return (0, "parse error: '%U'",
+ format_unformat_error, line_input);
+
+done:
+ vec_free (name);
+ vec_free (data);
+ unformat_free (line_input);
+ return r;
+}
+
+/* *INDENT-OFF* */
+VLIB_CLI_COMMAND (ikev2_profile_add_del_command, static) = {
+ .path = "ikev2 profile",
+ .short_help =
+ "ikev2 profile [add|del] <id>\n"
+ "ikev2 profile set <id> auth [rsa-sig|shared-key-mic] [cert-file|string|hex]"
+ " <data>\n"
+ "ikev2 profile set <id> id <local|remote> <type> <data>\n"
+ "ikev2 profile set <id> traffic-selector <local|remote> ip-range "
+ "<start-addr> - <end-addr> port-range <start-port> - <end-port> "
+ "protocol <protocol-number>\n"
+ "ikev2 profile set <id> responder <interface> <addr>\n"
+ "ikev2 profile set <id> ike-crypto-alg <crypto alg> <key size> ike-integ-alg <integ alg> ike-dh <dh type>\n"
+ "ikev2 profile set <id> esp-crypto-alg <crypto alg> <key size> esp-integ-alg <integ alg> esp-dh <dh type>\n"
+ "ikev2 profile set <id> sa-lifetime <seconds> <jitter> <handover> <max bytes>",
+ .function = ikev2_profile_add_del_command_fn,
+};
+/* *INDENT-ON* */
+
+static clib_error_t *
+show_ikev2_profile_command_fn (vlib_main_t * vm,
+ unformat_input_t * input,
+ vlib_cli_command_t * cmd)
+{
+ ikev2_main_t *km = &ikev2_main;
+ ikev2_profile_t *p;
+
+ /* *INDENT-OFF* */
+ pool_foreach (p, km->profiles, ({
+ vlib_cli_output(vm, "profile %v", p->name);
+
+ if (p->auth.data)
+ {
+ if (p->auth.hex)
+ vlib_cli_output(vm, " auth-method %U auth data 0x%U",
+ format_ikev2_auth_method, p->auth.method,
+ format_hex_bytes, p->auth.data, vec_len(p->auth.data));
+ else
+ vlib_cli_output(vm, " auth-method %U auth data %v",
+ format_ikev2_auth_method, p->auth.method, p->auth.data);
+ }
+
+ if (p->loc_id.data)
+ {
+ if (p->loc_id.type == IKEV2_ID_TYPE_ID_IPV4_ADDR)
+ vlib_cli_output(vm, " local id-type %U data %U",
+ format_ikev2_id_type, p->loc_id.type,
+ format_ip4_address, p->loc_id.data);
+ else if (p->loc_id.type == IKEV2_ID_TYPE_ID_KEY_ID)
+ vlib_cli_output(vm, " local id-type %U data 0x%U",
+ format_ikev2_id_type, p->loc_id.type,
+ format_hex_bytes, p->loc_id.data,
+ vec_len(p->loc_id.data));
+ else
+ vlib_cli_output(vm, " local id-type %U data %v",
+ format_ikev2_id_type, p->loc_id.type, p->loc_id.data);
+ }
+
+ if (p->rem_id.data)
+ {
+ if (p->rem_id.type == IKEV2_ID_TYPE_ID_IPV4_ADDR)
+ vlib_cli_output(vm, " remote id-type %U data %U",
+ format_ikev2_id_type, p->rem_id.type,
+ format_ip4_address, p->rem_id.data);
+ else if (p->rem_id.type == IKEV2_ID_TYPE_ID_KEY_ID)
+ vlib_cli_output(vm, " remote id-type %U data 0x%U",
+ format_ikev2_id_type, p->rem_id.type,
+ format_hex_bytes, p->rem_id.data,
+ vec_len(p->rem_id.data));
+ else
+ vlib_cli_output(vm, " remote id-type %U data %v",
+ format_ikev2_id_type, p->rem_id.type, p->rem_id.data);
+ }
+
+ if (p->loc_ts.end_addr.as_u32)
+ vlib_cli_output(vm, " local traffic-selector addr %U - %U port %u - %u"
+ " protocol %u",
+ format_ip4_address, &p->loc_ts.start_addr,
+ format_ip4_address, &p->loc_ts.end_addr,
+ p->loc_ts.start_port, p->loc_ts.end_port,
+ p->loc_ts.protocol_id);
+
+ if (p->rem_ts.end_addr.as_u32)
+ vlib_cli_output(vm, " remote traffic-selector addr %U - %U port %u - %u"
+ " protocol %u",
+ format_ip4_address, &p->rem_ts.start_addr,
+ format_ip4_address, &p->rem_ts.end_addr,
+ p->rem_ts.start_port, p->rem_ts.end_port,
+ p->rem_ts.protocol_id);
+ }));
+ /* *INDENT-ON* */
+
+ return 0;
+}
+
+/* *INDENT-OFF* */
+VLIB_CLI_COMMAND (show_ikev2_profile_command, static) = {
+ .path = "show ikev2 profile",
+ .short_help = "show ikev2 profile",
+ .function = show_ikev2_profile_command_fn,
+};
+/* *INDENT-ON* */
+
+static clib_error_t *
+set_ikev2_local_key_command_fn (vlib_main_t * vm,
+ unformat_input_t * input,
+ vlib_cli_command_t * cmd)
+{
+ unformat_input_t _line_input, *line_input = &_line_input;
+ clib_error_t *r = 0;
+ u8 *data = 0;
+
+ if (!unformat_user (input, unformat_line_input, line_input))
+ return 0;
+
+ while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
+ {
+ if (unformat (line_input, "%s", &data))
+ {
+ r = ikev2_set_local_key (vm, data);
+ goto done;
+ }
+ else
+ break;
+ }
+
+ r = clib_error_return (0, "parse error: '%U'",
+ format_unformat_error, line_input);
+
+done:
+ vec_free (data);
+ unformat_free (line_input);
+ return r;
+}
+
+/* *INDENT-OFF* */
+VLIB_CLI_COMMAND (set_ikev2_local_key_command, static) = {
+ .path = "set ikev2 local key",
+ .short_help =
+ "set ikev2 local key <file>",
+ .function = set_ikev2_local_key_command_fn,
+};
+/* *INDENT-ON* */
+
+
+static clib_error_t *
+ikev2_initiate_command_fn (vlib_main_t * vm,
+ unformat_input_t * input, vlib_cli_command_t * cmd)
+{
+ unformat_input_t _line_input, *line_input = &_line_input;
+ clib_error_t *r = 0;
+ u8 *name = 0;
+ u32 tmp1;
+ u64 tmp2;
+
+ const char *valid_chars = "a-zA-Z0-9_";
+
+ if (!unformat_user (input, unformat_line_input, line_input))
+ return 0;
+
+ while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
+ {
+ if (unformat
+ (line_input, "sa-init %U", unformat_token, valid_chars, &name))
+ {
+ r = ikev2_initiate_sa_init (vm, name);
+ goto done;
+ }
+ else if (unformat (line_input, "del-child-sa %x", &tmp1))
+ {
+ r = ikev2_initiate_delete_child_sa (vm, tmp1);
+ goto done;
+ }
+ else if (unformat (line_input, "del-sa %lx", &tmp2))
+ {
+ r = ikev2_initiate_delete_ike_sa (vm, tmp2);
+ goto done;
+ }
+ else if (unformat (line_input, "rekey-child-sa %x", &tmp1))
+ {
+ r = ikev2_initiate_rekey_child_sa (vm, tmp1);
+ goto done;
+ }
+ else
+ break;
+ }
+
+ r = clib_error_return (0, "parse error: '%U'",
+ format_unformat_error, line_input);
+
+done:
+ vec_free (name);
+ unformat_free (line_input);
+ return r;
+}
+
+/* *INDENT-OFF* */
+VLIB_CLI_COMMAND (ikev2_initiate_command, static) = {
+ .path = "ikev2 initiate",
+ .short_help =
+ "ikev2 initiate sa-init <profile id>\n"
+ "ikev2 initiate del-child-sa <child sa ispi>\n"
+ "ikev2 initiate del-sa <sa ispi>\n"
+ "ikev2 initiate rekey-child-sa <profile id> <child sa ispi>\n",
+ .function = ikev2_initiate_command_fn,
+};
+/* *INDENT-ON* */
+
+
+clib_error_t *
+ikev2_cli_init (vlib_main_t * vm)
+{
+ return 0;
+}
+
+VLIB_INIT_FUNCTION (ikev2_cli_init);
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */
diff --git a/src/plugins/ikev2/ikev2_crypto.c b/src/plugins/ikev2/ikev2_crypto.c
new file mode 100644
index 00000000000..deb6d35113f
--- /dev/null
+++ b/src/plugins/ikev2/ikev2_crypto.c
@@ -0,0 +1,1076 @@
+/*
+ * 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 <vlib/vlib.h>
+#include <vnet/vnet.h>
+#include <vnet/pg/pg.h>
+#include <vppinfra/error.h>
+#include <vnet/udp/udp.h>
+#include <plugins/ikev2/ikev2.h>
+#include <plugins/ikev2/ikev2_priv.h>
+#include <openssl/obj_mac.h>
+#include <openssl/ec.h>
+#include <openssl/x509.h>
+#include <openssl/pem.h>
+#include <openssl/bn.h>
+#include <openssl/dh.h>
+
+/* from RFC7296 */
+static const char modp_dh_768_prime[] =
+ "FFFFFFFFFFFFFFFFC90FDAA22168C234C4C6628B80DC1CD1"
+ "29024E088A67CC74020BBEA63B139B22514A08798E3404DD"
+ "EF9519B3CD3A431B302B0A6DF25F14374FE1356D6D51C245"
+ "E485B576625E7EC6F44C42E9A63A3620FFFFFFFFFFFFFFFF";
+static const char modp_dh_768_generator[] = "02";
+
+static const char modp_dh_1024_prime[] =
+ "FFFFFFFFFFFFFFFFC90FDAA22168C234C4C6628B80DC1CD1"
+ "29024E088A67CC74020BBEA63B139B22514A08798E3404DD"
+ "EF9519B3CD3A431B302B0A6DF25F14374FE1356D6D51C245"
+ "E485B576625E7EC6F44C42E9A637ED6B0BFF5CB6F406B7ED"
+ "EE386BFB5A899FA5AE9F24117C4B1FE649286651ECE65381" "FFFFFFFFFFFFFFFF";
+static const char modp_dh_1024_generator[] = "02";
+
+/* from RFC3526 */
+static const char modp_dh_1536_prime[] =
+ "FFFFFFFFFFFFFFFFC90FDAA22168C234C4C6628B80DC1CD1"
+ "29024E088A67CC74020BBEA63B139B22514A08798E3404DD"
+ "EF9519B3CD3A431B302B0A6DF25F14374FE1356D6D51C245"
+ "E485B576625E7EC6F44C42E9A637ED6B0BFF5CB6F406B7ED"
+ "EE386BFB5A899FA5AE9F24117C4B1FE649286651ECE45B3D"
+ "C2007CB8A163BF0598DA48361C55D39A69163FA8FD24CF5F"
+ "83655D23DCA3AD961C62F356208552BB9ED529077096966D"
+ "670C354E4ABC9804F1746C08CA237327FFFFFFFFFFFFFFFF";
+static const char modp_dh_1536_generator[] = "02";
+
+static const char modp_dh_2048_prime[] =
+ "FFFFFFFFFFFFFFFFC90FDAA22168C234C4C6628B80DC1CD1"
+ "29024E088A67CC74020BBEA63B139B22514A08798E3404DD"
+ "EF9519B3CD3A431B302B0A6DF25F14374FE1356D6D51C245"
+ "E485B576625E7EC6F44C42E9A637ED6B0BFF5CB6F406B7ED"
+ "EE386BFB5A899FA5AE9F24117C4B1FE649286651ECE45B3D"
+ "C2007CB8A163BF0598DA48361C55D39A69163FA8FD24CF5F"
+ "83655D23DCA3AD961C62F356208552BB9ED529077096966D"
+ "670C354E4ABC9804F1746C08CA18217C32905E462E36CE3B"
+ "E39E772C180E86039B2783A2EC07A28FB5C55DF06F4C52C9"
+ "DE2BCBF6955817183995497CEA956AE515D2261898FA0510"
+ "15728E5A8AACAA68FFFFFFFFFFFFFFFF";
+static const char modp_dh_2048_generator[] = "02";
+
+static const char modp_dh_3072_prime[] =
+ "FFFFFFFFFFFFFFFFC90FDAA22168C234C4C6628B80DC1CD1"
+ "29024E088A67CC74020BBEA63B139B22514A08798E3404DD"
+ "EF9519B3CD3A431B302B0A6DF25F14374FE1356D6D51C245"
+ "E485B576625E7EC6F44C42E9A637ED6B0BFF5CB6F406B7ED"
+ "EE386BFB5A899FA5AE9F24117C4B1FE649286651ECE45B3D"
+ "C2007CB8A163BF0598DA48361C55D39A69163FA8FD24CF5F"
+ "83655D23DCA3AD961C62F356208552BB9ED529077096966D"
+ "670C354E4ABC9804F1746C08CA18217C32905E462E36CE3B"
+ "E39E772C180E86039B2783A2EC07A28FB5C55DF06F4C52C9"
+ "DE2BCBF6955817183995497CEA956AE515D2261898FA0510"
+ "15728E5A8AAAC42DAD33170D04507A33A85521ABDF1CBA64"
+ "ECFB850458DBEF0A8AEA71575D060C7DB3970F85A6E1E4C7"
+ "ABF5AE8CDB0933D71E8C94E04A25619DCEE3D2261AD2EE6B"
+ "F12FFA06D98A0864D87602733EC86A64521F2B18177B200C"
+ "BBE117577A615D6C770988C0BAD946E208E24FA074E5AB31"
+ "43DB5BFCE0FD108E4B82D120A93AD2CAFFFFFFFFFFFFFFFF";
+static const char modp_dh_3072_generator[] = "02";
+
+static const char modp_dh_4096_prime[] =
+ "FFFFFFFFFFFFFFFFC90FDAA22168C234C4C6628B80DC1CD1"
+ "29024E088A67CC74020BBEA63B139B22514A08798E3404DD"
+ "EF9519B3CD3A431B302B0A6DF25F14374FE1356D6D51C245"
+ "E485B576625E7EC6F44C42E9A637ED6B0BFF5CB6F406B7ED"
+ "EE386BFB5A899FA5AE9F24117C4B1FE649286651ECE45B3D"
+ "C2007CB8A163BF0598DA48361C55D39A69163FA8FD24CF5F"
+ "83655D23DCA3AD961C62F356208552BB9ED529077096966D"
+ "670C354E4ABC9804F1746C08CA18217C32905E462E36CE3B"
+ "E39E772C180E86039B2783A2EC07A28FB5C55DF06F4C52C9"
+ "DE2BCBF6955817183995497CEA956AE515D2261898FA0510"
+ "15728E5A8AAAC42DAD33170D04507A33A85521ABDF1CBA64"
+ "ECFB850458DBEF0A8AEA71575D060C7DB3970F85A6E1E4C7"
+ "ABF5AE8CDB0933D71E8C94E04A25619DCEE3D2261AD2EE6B"
+ "F12FFA06D98A0864D87602733EC86A64521F2B18177B200C"
+ "BBE117577A615D6C770988C0BAD946E208E24FA074E5AB31"
+ "43DB5BFCE0FD108E4B82D120A92108011A723C12A787E6D7"
+ "88719A10BDBA5B2699C327186AF4E23C1A946834B6150BDA"
+ "2583E9CA2AD44CE8DBBBC2DB04DE8EF92E8EFC141FBECAA6"
+ "287C59474E6BC05D99B2964FA090C3A2233BA186515BE7ED"
+ "1F612970CEE2D7AFB81BDD762170481CD0069127D5B05AA9"
+ "93B4EA988D8FDDC186FFB7DC90A6C08F4DF435C934063199" "FFFFFFFFFFFFFFFF";
+static const char modp_dh_4096_generator[] = "02";
+
+static const char modp_dh_6144_prime[] =
+ "FFFFFFFFFFFFFFFFC90FDAA22168C234C4C6628B80DC1CD129024E08"
+ "8A67CC74020BBEA63B139B22514A08798E3404DDEF9519B3CD3A431B"
+ "302B0A6DF25F14374FE1356D6D51C245E485B576625E7EC6F44C42E9"
+ "A637ED6B0BFF5CB6F406B7EDEE386BFB5A899FA5AE9F24117C4B1FE6"
+ "49286651ECE45B3DC2007CB8A163BF0598DA48361C55D39A69163FA8"
+ "FD24CF5F83655D23DCA3AD961C62F356208552BB9ED529077096966D"
+ "670C354E4ABC9804F1746C08CA18217C32905E462E36CE3BE39E772C"
+ "180E86039B2783A2EC07A28FB5C55DF06F4C52C9DE2BCBF695581718"
+ "3995497CEA956AE515D2261898FA051015728E5A8AAAC42DAD33170D"
+ "04507A33A85521ABDF1CBA64ECFB850458DBEF0A8AEA71575D060C7D"
+ "B3970F85A6E1E4C7ABF5AE8CDB0933D71E8C94E04A25619DCEE3D226"
+ "1AD2EE6BF12FFA06D98A0864D87602733EC86A64521F2B18177B200C"
+ "BBE117577A615D6C770988C0BAD946E208E24FA074E5AB3143DB5BFC"
+ "E0FD108E4B82D120A92108011A723C12A787E6D788719A10BDBA5B26"
+ "99C327186AF4E23C1A946834B6150BDA2583E9CA2AD44CE8DBBBC2DB"
+ "04DE8EF92E8EFC141FBECAA6287C59474E6BC05D99B2964FA090C3A2"
+ "233BA186515BE7ED1F612970CEE2D7AFB81BDD762170481CD0069127"
+ "D5B05AA993B4EA988D8FDDC186FFB7DC90A6C08F4DF435C934028492"
+ "36C3FAB4D27C7026C1D4DCB2602646DEC9751E763DBA37BDF8FF9406"
+ "AD9E530EE5DB382F413001AEB06A53ED9027D831179727B0865A8918"
+ "DA3EDBEBCF9B14ED44CE6CBACED4BB1BDB7F1447E6CC254B33205151"
+ "2BD7AF426FB8F401378CD2BF5983CA01C64B92ECF032EA15D1721D03"
+ "F482D7CE6E74FEF6D55E702F46980C82B5A84031900B1C9E59E7C97F"
+ "BEC7E8F323A97A7E36CC88BE0F1D45B7FF585AC54BD407B22B4154AA"
+ "CC8F6D7EBF48E1D814CC5ED20F8037E0A79715EEF29BE32806A1D58B"
+ "B7C5DA76F550AA3D8A1FBFF0EB19CCB1A313D55CDA56C9EC2EF29632"
+ "387FE8D76E3C0468043E8F663F4860EE12BF2D5B0B7474D6E694F91E"
+ "6DCC4024FFFFFFFFFFFFFFFF";
+static const char modp_dh_6144_generator[] = "02";
+
+static const char modp_dh_8192_prime[] =
+ "FFFFFFFFFFFFFFFFC90FDAA22168C234C4C6628B80DC1CD1"
+ "29024E088A67CC74020BBEA63B139B22514A08798E3404DD"
+ "EF9519B3CD3A431B302B0A6DF25F14374FE1356D6D51C245"
+ "E485B576625E7EC6F44C42E9A637ED6B0BFF5CB6F406B7ED"
+ "EE386BFB5A899FA5AE9F24117C4B1FE649286651ECE45B3D"
+ "C2007CB8A163BF0598DA48361C55D39A69163FA8FD24CF5F"
+ "83655D23DCA3AD961C62F356208552BB9ED529077096966D"
+ "670C354E4ABC9804F1746C08CA18217C32905E462E36CE3B"
+ "E39E772C180E86039B2783A2EC07A28FB5C55DF06F4C52C9"
+ "DE2BCBF6955817183995497CEA956AE515D2261898FA0510"
+ "15728E5A8AAAC42DAD33170D04507A33A85521ABDF1CBA64"
+ "ECFB850458DBEF0A8AEA71575D060C7DB3970F85A6E1E4C7"
+ "ABF5AE8CDB0933D71E8C94E04A25619DCEE3D2261AD2EE6B"
+ "F12FFA06D98A0864D87602733EC86A64521F2B18177B200C"
+ "BBE117577A615D6C770988C0BAD946E208E24FA074E5AB31"
+ "43DB5BFCE0FD108E4B82D120A92108011A723C12A787E6D7"
+ "88719A10BDBA5B2699C327186AF4E23C1A946834B6150BDA"
+ "2583E9CA2AD44CE8DBBBC2DB04DE8EF92E8EFC141FBECAA6"
+ "287C59474E6BC05D99B2964FA090C3A2233BA186515BE7ED"
+ "1F612970CEE2D7AFB81BDD762170481CD0069127D5B05AA9"
+ "93B4EA988D8FDDC186FFB7DC90A6C08F4DF435C934028492"
+ "36C3FAB4D27C7026C1D4DCB2602646DEC9751E763DBA37BD"
+ "F8FF9406AD9E530EE5DB382F413001AEB06A53ED9027D831"
+ "179727B0865A8918DA3EDBEBCF9B14ED44CE6CBACED4BB1B"
+ "DB7F1447E6CC254B332051512BD7AF426FB8F401378CD2BF"
+ "5983CA01C64B92ECF032EA15D1721D03F482D7CE6E74FEF6"
+ "D55E702F46980C82B5A84031900B1C9E59E7C97FBEC7E8F3"
+ "23A97A7E36CC88BE0F1D45B7FF585AC54BD407B22B4154AA"
+ "CC8F6D7EBF48E1D814CC5ED20F8037E0A79715EEF29BE328"
+ "06A1D58BB7C5DA76F550AA3D8A1FBFF0EB19CCB1A313D55C"
+ "DA56C9EC2EF29632387FE8D76E3C0468043E8F663F4860EE"
+ "12BF2D5B0B7474D6E694F91E6DBE115974A3926F12FEE5E4"
+ "38777CB6A932DF8CD8BEC4D073B931BA3BC832B68D9DD300"
+ "741FA7BF8AFC47ED2576F6936BA424663AAB639C5AE4F568"
+ "3423B4742BF1C978238F16CBE39D652DE3FDB8BEFC848AD9"
+ "22222E04A4037C0713EB57A81A23F0C73473FC646CEA306B"
+ "4BCBC8862F8385DDFA9D4B7FA2C087E879683303ED5BDD3A"
+ "062B3CF5B3A278A66D2A13F83F44F82DDF310EE074AB6A36"
+ "4597E899A0255DC164F31CC50846851DF9AB48195DED7EA1"
+ "B1D510BD7EE74D73FAF36BC31ECFA268359046F4EB879F92"
+ "4009438B481C6CD7889A002ED5EE382BC9190DA6FC026E47"
+ "9558E4475677E9AA9E3050E2765694DFC81F56E880B96E71"
+ "60C980DD98EDD3DFFFFFFFFFFFFFFFFF";
+static const char modp_dh_8192_generator[] = "02";
+
+/* from RFC5114 */
+static const char modp_dh_1024_160_prime[] =
+ "B10B8F96A080E01DDE92DE5EAE5D54EC52C99FBCFB06A3C6"
+ "9A6A9DCA52D23B616073E28675A23D189838EF1E2EE652C0"
+ "13ECB4AEA906112324975C3CD49B83BFACCBDD7D90C4BD70"
+ "98488E9C219A73724EFFD6FAE5644738FAA31A4FF55BCCC0"
+ "A151AF5F0DC8B4BD45BF37DF365C1A65E68CFDA76D4DA708" "DF1FB2BC2E4A4371";
+static const char modp_dh_1024_160_generator[] =
+ "A4D1CBD5C3FD34126765A442EFB99905F8104DD258AC507F"
+ "D6406CFF14266D31266FEA1E5C41564B777E690F5504F213"
+ "160217B4B01B886A5E91547F9E2749F4D7FBD7D3B9A92EE1"
+ "909D0D2263F80A76A6A24C087A091F531DBF0A0169B6A28A"
+ "D662A4D18E73AFA32D779D5918D08BC8858F4DCEF97C2A24" "855E6EEB22B3B2E5";
+
+static const char modp_dh_2048_224_prime[] =
+ "AD107E1E9123A9D0D660FAA79559C51FA20D64E5683B9FD1"
+ "B54B1597B61D0A75E6FA141DF95A56DBAF9A3C407BA1DF15"
+ "EB3D688A309C180E1DE6B85A1274A0A66D3F8152AD6AC212"
+ "9037C9EDEFDA4DF8D91E8FEF55B7394B7AD5B7D0B6C12207"
+ "C9F98D11ED34DBF6C6BA0B2C8BBC27BE6A00E0A0B9C49708"
+ "B3BF8A317091883681286130BC8985DB1602E714415D9330"
+ "278273C7DE31EFDC7310F7121FD5A07415987D9ADC0A486D"
+ "CDF93ACC44328387315D75E198C641A480CD86A1B9E587E8"
+ "BE60E69CC928B2B9C52172E413042E9B23F10B0E16E79763"
+ "C9B53DCF4BA80A29E3FB73C16B8E75B97EF363E2FFA31F71"
+ "CF9DE5384E71B81C0AC4DFFE0C10E64F";
+static const char modp_dh_2048_224_generator[] =
+ "AC4032EF4F2D9AE39DF30B5C8FFDAC506CDEBE7B89998CAF"
+ "74866A08CFE4FFE3A6824A4E10B9A6F0DD921F01A70C4AFA"
+ "AB739D7700C29F52C57DB17C620A8652BE5E9001A8D66AD7"
+ "C17669101999024AF4D027275AC1348BB8A762D0521BC98A"
+ "E247150422EA1ED409939D54DA7460CDB5F6C6B250717CBE"
+ "F180EB34118E98D119529A45D6F834566E3025E316A330EF"
+ "BB77A86F0C1AB15B051AE3D428C8F8ACB70A8137150B8EEB"
+ "10E183EDD19963DDD9E263E4770589EF6AA21E7F5F2FF381"
+ "B539CCE3409D13CD566AFBB48D6C019181E1BCFE94B30269"
+ "EDFE72FE9B6AA4BD7B5A0F1C71CFFF4C19C418E1F6EC0179"
+ "81BC087F2A7065B384B890D3191F2BFA";
+
+static const char modp_dh_2048_256_prime[] =
+ "87A8E61DB4B6663CFFBBD19C651959998CEEF608660DD0F2"
+ "5D2CEED4435E3B00E00DF8F1D61957D4FAF7DF4561B2AA30"
+ "16C3D91134096FAA3BF4296D830E9A7C209E0C6497517ABD"
+ "5A8A9D306BCF67ED91F9E6725B4758C022E0B1EF4275BF7B"
+ "6C5BFC11D45F9088B941F54EB1E59BB8BC39A0BF12307F5C"
+ "4FDB70C581B23F76B63ACAE1CAA6B7902D52526735488A0E"
+ "F13C6D9A51BFA4AB3AD8347796524D8EF6A167B5A41825D9"
+ "67E144E5140564251CCACB83E6B486F6B3CA3F7971506026"
+ "C0B857F689962856DED4010ABD0BE621C3A3960A54E710C3"
+ "75F26375D7014103A4B54330C198AF126116D2276E11715F"
+ "693877FAD7EF09CADB094AE91E1A1597";
+static const char modp_dh_2048_256_generator[] =
+ "3FB32C9B73134D0B2E77506660EDBD484CA7B18F21EF2054"
+ "07F4793A1A0BA12510DBC15077BE463FFF4FED4AAC0BB555"
+ "BE3A6C1B0C6B47B1BC3773BF7E8C6F62901228F8C28CBB18"
+ "A55AE31341000A650196F931C77A57F2DDF463E5E9EC144B"
+ "777DE62AAAB8A8628AC376D282D6ED3864E67982428EBC83"
+ "1D14348F6F2F9193B5045AF2767164E1DFC967C1FB3F2E55"
+ "A4BD1BFFE83B9C80D052B985D182EA0ADB2A3B7313D3FE14"
+ "C8484B1E052588B9B7D2BBD2DF016199ECD06E1557CD0915"
+ "B3353BBB64E0EC377FD028370DF92B52C7891428CDC67EB6"
+ "184B523D1DB246C32F63078490F00EF8D647D148D4795451"
+ "5E2327CFEF98C582664B4C0F6CC41659";
+
+v8 *
+ikev2_calc_prf (ikev2_sa_transform_t * tr, v8 * key, v8 * data)
+{
+#if OPENSSL_VERSION_NUMBER >= 0x10100000L
+ HMAC_CTX *ctx;
+#else
+ HMAC_CTX ctx;
+#endif
+ v8 *prf;
+ unsigned int len = 0;
+
+ prf = vec_new (u8, tr->key_trunc);
+#if OPENSSL_VERSION_NUMBER >= 0x10100000L
+ ctx = HMAC_CTX_new ();
+ HMAC_Init_ex (ctx, key, vec_len (key), tr->md, NULL);
+ HMAC_Update (ctx, data, vec_len (data));
+ HMAC_Final (ctx, prf, &len);
+#else
+ HMAC_CTX_init (&ctx);
+ HMAC_Init_ex (&ctx, key, vec_len (key), tr->md, NULL);
+ HMAC_Update (&ctx, data, vec_len (data));
+ HMAC_Final (&ctx, prf, &len);
+ HMAC_CTX_cleanup (&ctx);
+#endif
+ ASSERT (len == tr->key_trunc);
+
+ return prf;
+}
+
+u8 *
+ikev2_calc_prfplus (ikev2_sa_transform_t * tr, u8 * key, u8 * seed, int len)
+{
+ v8 *t = 0, *s = 0, *tmp = 0, *ret = 0;
+ u8 x = 0;
+
+ /* prf+ (K,S) = T1 | T2 | T3 | T4 | ...
+
+ where:
+ T1 = prf (K, S | 0x01)
+ T2 = prf (K, T1 | S | 0x02)
+ T3 = prf (K, T2 | S | 0x03)
+ T4 = prf (K, T3 | S | 0x04)
+ */
+
+ while (vec_len (ret) < len && x < 255)
+ {
+ if (t)
+ {
+ vec_append (s, t);
+ vec_free (t);
+ }
+
+ vec_append (s, seed);
+ vec_add2 (s, tmp, 1);
+ *tmp = x + 1;
+ t = ikev2_calc_prf (tr, key, s);
+ vec_append (ret, t);
+ vec_free (s);
+ x++;
+ }
+
+ vec_free (t);
+
+ if (x == 255)
+ {
+ vec_free (ret);
+ }
+
+ return ret;
+}
+
+v8 *
+ikev2_calc_integr (ikev2_sa_transform_t * tr, v8 * key, u8 * data, int len)
+{
+ v8 *r;
+#if OPENSSL_VERSION_NUMBER >= 0x10100000L
+ HMAC_CTX *hctx;
+#else
+ HMAC_CTX hctx;
+#endif
+ unsigned int l;
+
+ ASSERT (tr->type == IKEV2_TRANSFORM_TYPE_INTEG);
+
+ r = vec_new (u8, tr->key_len);
+
+ if (tr->md == EVP_sha1 ())
+ {
+ clib_warning ("integrity checking with sha1");
+ }
+ else if (tr->md == EVP_sha256 ())
+ {
+ clib_warning ("integrity checking with sha256");
+ }
+
+ /* verify integrity of data */
+#if OPENSSL_VERSION_NUMBER >= 0x10100000L
+ hctx = HMAC_CTX_new ();
+ HMAC_Init_ex (hctx, key, vec_len (key), tr->md, NULL);
+ HMAC_Update (hctx, (const u8 *) data, len);
+ HMAC_Final (hctx, r, &l);
+#else
+ HMAC_CTX_init (&hctx);
+ HMAC_Init_ex (&hctx, key, vec_len (key), tr->md, NULL);
+ HMAC_Update (&hctx, (const u8 *) data, len);
+ HMAC_Final (&hctx, r, &l);
+ HMAC_CTX_cleanup (&hctx);
+#endif
+
+ ASSERT (l == tr->key_len);
+
+ return r;
+}
+
+v8 *
+ikev2_decrypt_data (ikev2_sa_t * sa, u8 * data, int len)
+{
+#if OPENSSL_VERSION_NUMBER >= 0x10100000L
+ EVP_CIPHER_CTX *ctx;
+#else
+ EVP_CIPHER_CTX ctx;
+#endif
+ v8 *r;
+ int out_len = 0, block_size;
+ ikev2_sa_transform_t *tr_encr;
+ u8 *key = sa->is_initiator ? sa->sk_er : sa->sk_ei;
+
+ tr_encr =
+ ikev2_sa_get_td_for_type (sa->r_proposals, IKEV2_TRANSFORM_TYPE_ENCR);
+ block_size = tr_encr->block_size;
+
+ /* check if data is multiplier of cipher block size */
+ if (len % block_size)
+ {
+ clib_warning ("wrong data length");
+ return 0;
+ }
+
+#if OPENSSL_VERSION_NUMBER >= 0x10100000L
+ ctx = EVP_CIPHER_CTX_new ();
+#else
+ EVP_CIPHER_CTX_init (&ctx);
+#endif
+
+ r = vec_new (u8, len - block_size);
+
+#if OPENSSL_VERSION_NUMBER >= 0x10100000L
+ EVP_DecryptInit_ex (ctx, tr_encr->cipher, NULL, key, data);
+ EVP_DecryptUpdate (ctx, r, &out_len, data + block_size, len - block_size);
+ EVP_DecryptFinal_ex (ctx, r + out_len, &out_len);
+#else
+ EVP_DecryptInit_ex (&ctx, tr_encr->cipher, NULL, key, data);
+ EVP_DecryptUpdate (&ctx, r, &out_len, data + block_size, len - block_size);
+ EVP_DecryptFinal_ex (&ctx, r + out_len, &out_len);
+#endif
+ /* remove padding */
+ _vec_len (r) -= r[vec_len (r) - 1] + 1;
+
+#if OPENSSL_VERSION_NUMBER < 0x10100000L
+ EVP_CIPHER_CTX_cleanup (&ctx);
+#endif
+ return r;
+}
+
+int
+ikev2_encrypt_data (ikev2_sa_t * sa, v8 * src, u8 * dst)
+{
+#if OPENSSL_VERSION_NUMBER >= 0x10100000L
+ EVP_CIPHER_CTX *ctx;
+#else
+ EVP_CIPHER_CTX ctx;
+#endif
+ int out_len;
+ int bs;
+ ikev2_sa_transform_t *tr_encr;
+ u8 *key = sa->is_initiator ? sa->sk_ei : sa->sk_er;
+
+ tr_encr =
+ ikev2_sa_get_td_for_type (sa->r_proposals, IKEV2_TRANSFORM_TYPE_ENCR);
+ bs = tr_encr->block_size;
+
+ /* generate IV */
+ RAND_bytes (dst, bs);
+
+#if OPENSSL_VERSION_NUMBER >= 0x10100000L
+ ctx = EVP_CIPHER_CTX_new ();
+ EVP_EncryptInit_ex (ctx, tr_encr->cipher, NULL, key, dst /* dst */ );
+ EVP_EncryptUpdate (ctx, dst + bs, &out_len, src, vec_len (src));
+#else
+ EVP_CIPHER_CTX_init (&ctx);
+ EVP_EncryptInit_ex (&ctx, tr_encr->cipher, NULL, key, dst /* dst */ );
+ EVP_EncryptUpdate (&ctx, dst + bs, &out_len, src, vec_len (src));
+ EVP_CIPHER_CTX_cleanup (&ctx);
+#endif
+
+ ASSERT (vec_len (src) == out_len);
+
+ return out_len + bs;
+}
+
+void
+ikev2_generate_dh (ikev2_sa_t * sa, ikev2_sa_transform_t * t)
+{
+ int r;
+#if OPENSSL_VERSION_NUMBER >= 0x10100000L
+ BIGNUM *p = BN_new ();
+ BIGNUM *q = BN_new ();
+ BIGNUM *g = BN_new ();
+ BIGNUM *pub_key = BN_new ();
+ BIGNUM *priv_key = BN_new ();
+#endif
+
+ if (t->dh_group == IKEV2_DH_GROUP_MODP)
+ {
+ DH *dh = DH_new ();
+#if OPENSSL_VERSION_NUMBER >= 0x10100000L
+ BN_hex2bn (&p, t->dh_p);
+ BN_hex2bn (&g, t->dh_g);
+ DH_set0_pqg (dh, p, q, g);
+#else
+ BN_hex2bn (&dh->p, t->dh_p);
+ BN_hex2bn (&dh->g, t->dh_g);
+#endif
+ DH_generate_key (dh);
+
+ if (sa->is_initiator)
+ {
+ sa->i_dh_data = vec_new (u8, t->key_len);
+ sa->dh_private_key = vec_new (u8, t->key_len);
+#if OPENSSL_VERSION_NUMBER >= 0x10100000L
+ r = BN_bn2bin (pub_key, sa->i_dh_data);
+ ASSERT (r == t->key_len);
+ r = BN_bn2bin (priv_key, sa->dh_private_key);
+ DH_set0_key (dh, pub_key, priv_key);
+#else
+ r = BN_bn2bin (dh->pub_key, sa->i_dh_data);
+ ASSERT (r == t->key_len);
+ r = BN_bn2bin (dh->priv_key, sa->dh_private_key);
+ ASSERT (r == t->key_len);
+#endif
+ }
+ else
+ {
+ sa->r_dh_data = vec_new (u8, t->key_len);
+#if OPENSSL_VERSION_NUMBER >= 0x10100000L
+ r = BN_bn2bin (pub_key, sa->i_dh_data);
+ ASSERT (r == t->key_len);
+ DH_set0_key (dh, pub_key, NULL);
+#else
+ r = BN_bn2bin (dh->pub_key, sa->r_dh_data);
+ ASSERT (r == t->key_len);
+#endif
+ BIGNUM *ex;
+ sa->dh_shared_key = vec_new (u8, t->key_len);
+ ex = BN_bin2bn (sa->i_dh_data, vec_len (sa->i_dh_data), NULL);
+ r = DH_compute_key (sa->dh_shared_key, ex, dh);
+ ASSERT (r == t->key_len);
+ BN_clear_free (ex);
+ }
+ DH_free (dh);
+ }
+ else if (t->dh_group == IKEV2_DH_GROUP_ECP)
+ {
+ EC_KEY *ec = EC_KEY_new_by_curve_name (t->nid);
+ ASSERT (ec);
+
+ EC_KEY_generate_key (ec);
+
+ const EC_POINT *r_point = EC_KEY_get0_public_key (ec);
+ const EC_GROUP *group = EC_KEY_get0_group (ec);
+ BIGNUM *x = NULL, *y = NULL;
+ BN_CTX *bn_ctx = BN_CTX_new ();
+ u16 x_off, y_off, len;
+ EC_POINT *i_point = EC_POINT_new (group);
+ EC_POINT *shared_point = EC_POINT_new (group);
+
+ x = BN_new ();
+ y = BN_new ();
+ len = t->key_len / 2;
+
+#if OPENSSL_VERSION_NUMBER >= 0x30000000L
+ EC_POINT_get_affine_coordinates (group, r_point, x, y, bn_ctx);
+#else
+ EC_POINT_get_affine_coordinates_GFp (group, r_point, x, y, bn_ctx);
+#endif
+
+ if (sa->is_initiator)
+ {
+ sa->i_dh_data = vec_new (u8, t->key_len);
+ x_off = len - BN_num_bytes (x);
+ clib_memset (sa->i_dh_data, 0, x_off);
+ BN_bn2bin (x, sa->i_dh_data + x_off);
+ y_off = t->key_len - BN_num_bytes (y);
+ clib_memset (sa->i_dh_data + len, 0, y_off - len);
+ BN_bn2bin (y, sa->i_dh_data + y_off);
+
+ const BIGNUM *prv = EC_KEY_get0_private_key (ec);
+ sa->dh_private_key = vec_new (u8, BN_num_bytes (prv));
+ r = BN_bn2bin (prv, sa->dh_private_key);
+ ASSERT (r == BN_num_bytes (prv));
+ }
+ else
+ {
+ sa->r_dh_data = vec_new (u8, t->key_len);
+ x_off = len - BN_num_bytes (x);
+ clib_memset (sa->r_dh_data, 0, x_off);
+ BN_bn2bin (x, sa->r_dh_data + x_off);
+ y_off = t->key_len - BN_num_bytes (y);
+ clib_memset (sa->r_dh_data + len, 0, y_off - len);
+ BN_bn2bin (y, sa->r_dh_data + y_off);
+
+ x = BN_bin2bn (sa->i_dh_data, len, x);
+ y = BN_bin2bn (sa->i_dh_data + len, len, y);
+#if OPENSSL_VERSION_NUMBER >= 0x30000000L
+ EC_POINT_set_affine_coordinates (group, i_point, x, y, bn_ctx);
+#else
+ EC_POINT_set_affine_coordinates_GFp (group, i_point, x, y, bn_ctx);
+#endif
+ sa->dh_shared_key = vec_new (u8, t->key_len);
+ EC_POINT_mul (group, shared_point, NULL, i_point,
+ EC_KEY_get0_private_key (ec), NULL);
+#if OPENSSL_VERSION_NUMBER >= 0x30000000L
+ EC_POINT_get_affine_coordinates (group, shared_point, x, y, bn_ctx);
+#else
+ EC_POINT_get_affine_coordinates_GFp (group, shared_point, x, y,
+ bn_ctx);
+#endif
+ x_off = len - BN_num_bytes (x);
+ clib_memset (sa->dh_shared_key, 0, x_off);
+ BN_bn2bin (x, sa->dh_shared_key + x_off);
+ y_off = t->key_len - BN_num_bytes (y);
+ clib_memset (sa->dh_shared_key + len, 0, y_off - len);
+ BN_bn2bin (y, sa->dh_shared_key + y_off);
+ }
+
+ EC_KEY_free (ec);
+ BN_free (x);
+ BN_free (y);
+ BN_CTX_free (bn_ctx);
+ EC_POINT_free (i_point);
+ EC_POINT_free (shared_point);
+ }
+}
+
+void
+ikev2_complete_dh (ikev2_sa_t * sa, ikev2_sa_transform_t * t)
+{
+ int r;
+#if OPENSSL_VERSION_NUMBER >= 0x10100000L
+ BIGNUM *p = BN_new ();
+ BIGNUM *q = BN_new ();
+ BIGNUM *g = BN_new ();
+ BIGNUM *priv_key = BN_new ();
+#endif
+
+ if (t->dh_group == IKEV2_DH_GROUP_MODP)
+ {
+ DH *dh = DH_new ();
+#if OPENSSL_VERSION_NUMBER >= 0x10100000L
+ BN_hex2bn (&p, t->dh_p);
+ BN_hex2bn (&g, t->dh_g);
+ DH_set0_pqg (dh, p, q, g);
+
+ priv_key =
+ BN_bin2bn (sa->dh_private_key, vec_len (sa->dh_private_key), NULL);
+ DH_set0_key (dh, NULL, priv_key);
+#else
+ BN_hex2bn (&dh->p, t->dh_p);
+ BN_hex2bn (&dh->g, t->dh_g);
+
+ dh->priv_key =
+ BN_bin2bn (sa->dh_private_key, vec_len (sa->dh_private_key), NULL);
+#endif
+ BIGNUM *ex;
+ sa->dh_shared_key = vec_new (u8, t->key_len);
+ ex = BN_bin2bn (sa->r_dh_data, vec_len (sa->r_dh_data), NULL);
+ r = DH_compute_key (sa->dh_shared_key, ex, dh);
+ ASSERT (r == t->key_len);
+ BN_clear_free (ex);
+ DH_free (dh);
+ }
+ else if (t->dh_group == IKEV2_DH_GROUP_ECP)
+ {
+ EC_KEY *ec = EC_KEY_new_by_curve_name (t->nid);
+ ASSERT (ec);
+
+ const EC_GROUP *group = EC_KEY_get0_group (ec);
+ BIGNUM *x = NULL, *y = NULL;
+ BN_CTX *bn_ctx = BN_CTX_new ();
+ u16 x_off, y_off, len;
+ BIGNUM *prv;
+
+ prv =
+ BN_bin2bn (sa->dh_private_key, vec_len (sa->dh_private_key), NULL);
+ EC_KEY_set_private_key (ec, prv);
+
+ x = BN_new ();
+ y = BN_new ();
+ len = t->key_len / 2;
+
+ x = BN_bin2bn (sa->r_dh_data, len, x);
+ y = BN_bin2bn (sa->r_dh_data + len, len, y);
+ EC_POINT *r_point = EC_POINT_new (group);
+#if OPENSSL_VERSION_NUMBER >= 0x30000000L
+ EC_POINT_set_affine_coordinates (group, r_point, x, y, bn_ctx);
+#else
+ EC_POINT_set_affine_coordinates_GFp (group, r_point, x, y, bn_ctx);
+#endif
+ EC_KEY_set_public_key (ec, r_point);
+
+ EC_POINT *i_point = EC_POINT_new (group);
+ EC_POINT *shared_point = EC_POINT_new (group);
+
+ x = BN_bin2bn (sa->i_dh_data, len, x);
+ y = BN_bin2bn (sa->i_dh_data + len, len, y);
+#if OPENSSL_VERSION_NUMBER >= 0x30000000L
+ EC_POINT_set_affine_coordinates (group, i_point, x, y, bn_ctx);
+#else
+ EC_POINT_set_affine_coordinates_GFp (group, i_point, x, y, bn_ctx);
+#endif
+ EC_POINT_mul (group, shared_point, NULL, r_point,
+ EC_KEY_get0_private_key (ec), NULL);
+#if OPENSSL_VERSION_NUMBER >= 0x30000000L
+ EC_POINT_get_affine_coordinates (group, shared_point, x, y, bn_ctx);
+#else
+ EC_POINT_get_affine_coordinates_GFp (group, shared_point, x, y, bn_ctx);
+#endif
+ sa->dh_shared_key = vec_new (u8, t->key_len);
+ x_off = len - BN_num_bytes (x);
+ clib_memset (sa->dh_shared_key, 0, x_off);
+ BN_bn2bin (x, sa->dh_shared_key + x_off);
+ y_off = t->key_len - BN_num_bytes (y);
+ clib_memset (sa->dh_shared_key + len, 0, y_off - len);
+ BN_bn2bin (y, sa->dh_shared_key + y_off);
+
+ EC_KEY_free (ec);
+ BN_free (x);
+ BN_free (y);
+ BN_free (prv);
+ BN_CTX_free (bn_ctx);
+ EC_POINT_free (i_point);
+ EC_POINT_free (r_point);
+ EC_POINT_free (shared_point);
+ }
+}
+
+int
+ikev2_verify_sign (EVP_PKEY * pkey, u8 * sigbuf, u8 * data)
+{
+#if OPENSSL_VERSION_NUMBER >= 0x10100000L
+ EVP_MD_CTX *md_ctx = EVP_MD_CTX_new ();
+#else
+ EVP_MD_CTX md_ctx;
+ EVP_MD_CTX_init (&md_ctx);
+#endif
+
+#if OPENSSL_VERSION_NUMBER >= 0x10100000L
+ EVP_VerifyInit (md_ctx, EVP_sha1 ());
+ EVP_VerifyUpdate (md_ctx, data, vec_len (data));
+#else
+ EVP_VerifyInit_ex (&md_ctx, EVP_sha1 (), NULL);
+ EVP_VerifyUpdate (&md_ctx, data, vec_len (data));
+#endif
+
+#if OPENSSL_VERSION_NUMBER >= 0x10100000L
+ return EVP_VerifyFinal (md_ctx, sigbuf, vec_len (sigbuf), pkey);
+#else
+ return EVP_VerifyFinal (&md_ctx, sigbuf, vec_len (sigbuf), pkey);
+#endif
+}
+
+u8 *
+ikev2_calc_sign (EVP_PKEY * pkey, u8 * data)
+{
+#if OPENSSL_VERSION_NUMBER >= 0x10100000L
+ EVP_MD_CTX *md_ctx = EVP_MD_CTX_new ();
+#else
+ EVP_MD_CTX md_ctx;
+#endif
+ unsigned int sig_len = 0;
+ u8 *sign;
+
+#if OPENSSL_VERSION_NUMBER >= 0x10100000L
+ EVP_SignInit (md_ctx, EVP_sha1 ());
+ EVP_SignUpdate (md_ctx, data, vec_len (data));
+ /* get sign len */
+ EVP_SignFinal (md_ctx, NULL, &sig_len, pkey);
+ sign = vec_new (u8, sig_len);
+ /* calc sign */
+ EVP_SignFinal (md_ctx, sign, &sig_len, pkey);
+#else
+ EVP_SignInit (&md_ctx, EVP_sha1 ());
+ EVP_SignUpdate (&md_ctx, data, vec_len (data));
+ /* get sign len */
+ EVP_SignFinal (&md_ctx, NULL, &sig_len, pkey);
+ sign = vec_new (u8, sig_len);
+ /* calc sign */
+ EVP_SignFinal (&md_ctx, sign, &sig_len, pkey);
+#endif
+ return sign;
+}
+
+EVP_PKEY *
+ikev2_load_cert_file (u8 * file)
+{
+ FILE *fp;
+ X509 *x509;
+ EVP_PKEY *pkey = NULL;
+
+ fp = fopen ((char *) file, "r");
+ if (!fp)
+ {
+ clib_warning ("open %s failed", file);
+ goto end;
+ }
+
+ x509 = PEM_read_X509 (fp, NULL, NULL, NULL);
+ fclose (fp);
+ if (x509 == NULL)
+ {
+ clib_warning ("read cert %s failed", file);
+ goto end;
+ }
+
+ pkey = X509_get_pubkey (x509);
+ if (pkey == NULL)
+ clib_warning ("get pubkey %s failed", file);
+
+end:
+ return pkey;
+}
+
+EVP_PKEY *
+ikev2_load_key_file (u8 * file)
+{
+ FILE *fp;
+ EVP_PKEY *pkey = NULL;
+
+ fp = fopen ((char *) file, "r");
+ if (!fp)
+ {
+ clib_warning ("open %s failed", file);
+ goto end;
+ }
+
+ pkey = PEM_read_PrivateKey (fp, NULL, NULL, NULL);
+ fclose (fp);
+ if (pkey == NULL)
+ clib_warning ("read %s failed", file);
+
+end:
+ return pkey;
+}
+
+void
+ikev2_crypto_init (ikev2_main_t * km)
+{
+ ikev2_sa_transform_t *tr;
+
+ /* vector of supported transforms - in order of preference */
+
+ //Encryption
+
+ vec_add2 (km->supported_transforms, tr, 1);
+ tr->type = IKEV2_TRANSFORM_TYPE_ENCR;
+ tr->encr_type = IKEV2_TRANSFORM_ENCR_TYPE_AES_CBC;
+ tr->key_len = 256 / 8;
+ tr->block_size = 128 / 8;
+ tr->cipher = EVP_aes_256_cbc ();
+
+ vec_add2 (km->supported_transforms, tr, 1);
+ tr->type = IKEV2_TRANSFORM_TYPE_ENCR;
+ tr->encr_type = IKEV2_TRANSFORM_ENCR_TYPE_AES_CBC;
+ tr->key_len = 192 / 8;
+ tr->block_size = 128 / 8;
+ tr->cipher = EVP_aes_192_cbc ();
+
+ vec_add2 (km->supported_transforms, tr, 1);
+ tr->type = IKEV2_TRANSFORM_TYPE_ENCR;
+ tr->encr_type = IKEV2_TRANSFORM_ENCR_TYPE_AES_CBC;
+ tr->key_len = 128 / 8;
+ tr->block_size = 128 / 8;
+ tr->cipher = EVP_aes_128_cbc ();
+
+ //PRF
+ vec_add2 (km->supported_transforms, tr, 1);
+ tr->type = IKEV2_TRANSFORM_TYPE_PRF;
+ tr->prf_type = IKEV2_TRANSFORM_PRF_TYPE_PRF_HMAC_SHA2_256;
+ tr->key_len = 256 / 8;
+ tr->key_trunc = 256 / 8;
+ tr->md = EVP_sha256 ();
+
+ vec_add2 (km->supported_transforms, tr, 1);
+ tr->type = IKEV2_TRANSFORM_TYPE_PRF;
+ tr->prf_type = IKEV2_TRANSFORM_PRF_TYPE_PRF_HMAC_SHA2_384;
+ tr->key_len = 384 / 8;
+ tr->key_trunc = 384 / 8;
+ tr->md = EVP_sha384 ();
+
+ vec_add2 (km->supported_transforms, tr, 1);
+ tr->type = IKEV2_TRANSFORM_TYPE_PRF;
+ tr->prf_type = IKEV2_TRANSFORM_PRF_TYPE_PRF_HMAC_SHA2_512;
+ tr->key_len = 512 / 8;
+ tr->key_trunc = 512 / 8;
+ tr->md = EVP_sha512 ();
+
+ vec_add2 (km->supported_transforms, tr, 1);
+ tr->type = IKEV2_TRANSFORM_TYPE_PRF;
+ tr->prf_type = IKEV2_TRANSFORM_PRF_TYPE_PRF_HMAC_SHA1;
+ tr->key_len = 160 / 8;
+ tr->key_trunc = 160 / 8;
+ tr->md = EVP_sha1 ();
+
+ //Integrity
+ vec_add2 (km->supported_transforms, tr, 1);
+ tr->type = IKEV2_TRANSFORM_TYPE_INTEG;
+ tr->integ_type = IKEV2_TRANSFORM_INTEG_TYPE_AUTH_HMAC_SHA2_256_128;
+ tr->key_len = 256 / 8;
+ tr->key_trunc = 128 / 8;
+ tr->md = EVP_sha256 ();
+
+ vec_add2 (km->supported_transforms, tr, 1);
+ tr->type = IKEV2_TRANSFORM_TYPE_INTEG;
+ tr->integ_type = IKEV2_TRANSFORM_INTEG_TYPE_AUTH_HMAC_SHA2_384_192;
+ tr->key_len = 384 / 8;
+ tr->key_trunc = 192 / 8;
+ tr->md = EVP_sha384 ();
+
+ vec_add2 (km->supported_transforms, tr, 1);
+ tr->type = IKEV2_TRANSFORM_TYPE_INTEG;
+ tr->integ_type = IKEV2_TRANSFORM_INTEG_TYPE_AUTH_HMAC_SHA2_512_256;
+ tr->key_len = 512 / 8;
+ tr->key_trunc = 256 / 8;
+ tr->md = EVP_sha512 ();
+
+ vec_add2 (km->supported_transforms, tr, 1);
+ tr->type = IKEV2_TRANSFORM_TYPE_INTEG;
+ tr->integ_type = IKEV2_TRANSFORM_INTEG_TYPE_AUTH_HMAC_SHA1_160;
+ tr->key_len = 160 / 8;
+ tr->key_trunc = 160 / 8;
+ tr->md = EVP_sha1 ();
+
+ vec_add2 (km->supported_transforms, tr, 1);
+ tr->type = IKEV2_TRANSFORM_TYPE_INTEG;
+ tr->integ_type = IKEV2_TRANSFORM_INTEG_TYPE_AUTH_HMAC_SHA1_96;
+ tr->key_len = 160 / 8;
+ tr->key_trunc = 96 / 8;
+ tr->md = EVP_sha1 ();
+
+
+#if defined(OPENSSL_NO_CISCO_FECDH)
+ vec_add2 (km->supported_transforms, tr, 1);
+ tr->type = IKEV2_TRANSFORM_TYPE_DH;
+ tr->dh_type = IKEV2_TRANSFORM_DH_TYPE_BRAINPOOL_512;
+ tr->key_len = (512 * 2) / 8;
+ tr->nid = NID_brainpoolP512r1;
+ tr->dh_group = IKEV2_DH_GROUP_ECP;
+
+ vec_add2 (km->supported_transforms, tr, 1);
+ tr->type = IKEV2_TRANSFORM_TYPE_DH;
+ tr->dh_type = IKEV2_TRANSFORM_DH_TYPE_BRAINPOOL_384;
+ tr->key_len = (384 * 2) / 8;
+ tr->nid = NID_brainpoolP384r1;
+ tr->dh_group = IKEV2_DH_GROUP_ECP;
+
+ vec_add2 (km->supported_transforms, tr, 1);
+ tr->type = IKEV2_TRANSFORM_TYPE_DH;
+ tr->dh_type = IKEV2_TRANSFORM_DH_TYPE_BRAINPOOL_256;
+ tr->key_len = (256 * 2) / 8;
+ tr->nid = NID_brainpoolP256r1;
+ tr->dh_group = IKEV2_DH_GROUP_ECP;
+
+ vec_add2 (km->supported_transforms, tr, 1);
+ tr->type = IKEV2_TRANSFORM_TYPE_DH;
+ tr->dh_type = IKEV2_TRANSFORM_DH_TYPE_BRAINPOOL_224;
+ tr->key_len = (224 * 2) / 8;
+ tr->nid = NID_brainpoolP224r1;
+ tr->dh_group = IKEV2_DH_GROUP_ECP;
+
+ vec_add2 (km->supported_transforms, tr, 1);
+ tr->type = IKEV2_TRANSFORM_TYPE_DH;
+ tr->dh_type = IKEV2_TRANSFORM_DH_TYPE_ECP_224;
+ tr->key_len = (224 * 2) / 8;
+ tr->nid = NID_secp224r1;
+ tr->dh_group = IKEV2_DH_GROUP_ECP;
+#endif
+
+ vec_add2 (km->supported_transforms, tr, 1);
+ tr->type = IKEV2_TRANSFORM_TYPE_DH;
+ tr->dh_type = IKEV2_TRANSFORM_DH_TYPE_ECP_521;
+ tr->key_len = (528 * 2) / 8;
+ tr->nid = NID_secp521r1;
+ tr->dh_group = IKEV2_DH_GROUP_ECP;
+
+ vec_add2 (km->supported_transforms, tr, 1);
+ tr->type = IKEV2_TRANSFORM_TYPE_DH;
+ tr->dh_type = IKEV2_TRANSFORM_DH_TYPE_ECP_384;
+ tr->key_len = (384 * 2) / 8;
+ tr->nid = NID_secp384r1;
+ tr->dh_group = IKEV2_DH_GROUP_ECP;
+
+ vec_add2 (km->supported_transforms, tr, 1);
+ tr->type = IKEV2_TRANSFORM_TYPE_DH;
+ tr->dh_type = IKEV2_TRANSFORM_DH_TYPE_ECP_256;
+ tr->key_len = (256 * 2) / 8;
+ tr->nid = NID_X9_62_prime256v1;
+ tr->dh_group = IKEV2_DH_GROUP_ECP;
+
+ vec_add2 (km->supported_transforms, tr, 1);
+ tr->type = IKEV2_TRANSFORM_TYPE_DH;
+ tr->dh_type = IKEV2_TRANSFORM_DH_TYPE_ECP_192;
+ tr->key_len = (192 * 2) / 8;
+ tr->nid = NID_X9_62_prime192v1;
+ tr->dh_group = IKEV2_DH_GROUP_ECP;
+
+ vec_add2 (km->supported_transforms, tr, 1);
+ tr->type = IKEV2_TRANSFORM_TYPE_DH;
+ tr->dh_type = IKEV2_TRANSFORM_DH_TYPE_MODP_2048_256;
+ tr->key_len = 2048 / 8;
+ tr->dh_p = (const char *) &modp_dh_2048_256_prime;
+ tr->dh_g = (const char *) &modp_dh_2048_256_generator;
+ tr->dh_group = IKEV2_DH_GROUP_MODP;
+
+ vec_add2 (km->supported_transforms, tr, 1);
+ tr->type = IKEV2_TRANSFORM_TYPE_DH;
+ tr->dh_type = IKEV2_TRANSFORM_DH_TYPE_MODP_2048_224;
+ tr->key_len = 2048 / 8;
+ tr->dh_p = (const char *) &modp_dh_2048_224_prime;
+ tr->dh_g = (const char *) &modp_dh_2048_224_generator;
+ tr->dh_group = IKEV2_DH_GROUP_MODP;
+
+ vec_add2 (km->supported_transforms, tr, 1);
+ tr->type = IKEV2_TRANSFORM_TYPE_DH;
+ tr->dh_type = IKEV2_TRANSFORM_DH_TYPE_MODP_1024_160;
+ tr->key_len = 1024 / 8;
+ tr->dh_p = (const char *) &modp_dh_1024_160_prime;
+ tr->dh_g = (const char *) &modp_dh_1024_160_generator;
+ tr->dh_group = IKEV2_DH_GROUP_MODP;
+
+ vec_add2 (km->supported_transforms, tr, 1);
+ tr->type = IKEV2_TRANSFORM_TYPE_DH;
+ tr->dh_type = IKEV2_TRANSFORM_DH_TYPE_MODP_8192;
+ tr->key_len = 8192 / 8;
+ tr->dh_p = (const char *) &modp_dh_8192_prime;
+ tr->dh_g = (const char *) &modp_dh_8192_generator;
+ tr->dh_group = IKEV2_DH_GROUP_MODP;
+
+ vec_add2 (km->supported_transforms, tr, 1);
+ tr->type = IKEV2_TRANSFORM_TYPE_DH;
+ tr->dh_type = IKEV2_TRANSFORM_DH_TYPE_MODP_6144;
+ tr->key_len = 6144 / 8;
+ tr->dh_p = (const char *) &modp_dh_6144_prime;
+ tr->dh_g = (const char *) &modp_dh_6144_generator;
+ tr->dh_group = IKEV2_DH_GROUP_MODP;
+
+ vec_add2 (km->supported_transforms, tr, 1);
+ tr->type = IKEV2_TRANSFORM_TYPE_DH;
+ tr->dh_type = IKEV2_TRANSFORM_DH_TYPE_MODP_4096;
+ tr->key_len = 4096 / 8;
+ tr->dh_p = (const char *) &modp_dh_4096_prime;
+ tr->dh_g = (const char *) &modp_dh_4096_generator;
+ tr->dh_group = IKEV2_DH_GROUP_MODP;
+
+ vec_add2 (km->supported_transforms, tr, 1);
+ tr->type = IKEV2_TRANSFORM_TYPE_DH;
+ tr->dh_type = IKEV2_TRANSFORM_DH_TYPE_MODP_3072;
+ tr->key_len = 3072 / 8;
+ tr->dh_p = (const char *) &modp_dh_3072_prime;
+ tr->dh_g = (const char *) &modp_dh_3072_generator;
+ tr->dh_group = IKEV2_DH_GROUP_MODP;
+
+ vec_add2 (km->supported_transforms, tr, 1);
+ tr->type = IKEV2_TRANSFORM_TYPE_DH;
+ tr->dh_type = IKEV2_TRANSFORM_DH_TYPE_MODP_2048;
+ tr->key_len = 2048 / 8;
+ tr->dh_p = (const char *) &modp_dh_2048_prime;
+ tr->dh_g = (const char *) &modp_dh_2048_generator;
+ tr->dh_group = IKEV2_DH_GROUP_MODP;
+
+ vec_add2 (km->supported_transforms, tr, 1);
+ tr->type = IKEV2_TRANSFORM_TYPE_DH;
+ tr->dh_type = IKEV2_TRANSFORM_DH_TYPE_MODP_1536;
+ tr->key_len = 1536 / 8;
+ tr->dh_p = (const char *) &modp_dh_1536_prime;
+ tr->dh_g = (const char *) &modp_dh_1536_generator;
+ tr->dh_group = IKEV2_DH_GROUP_MODP;
+
+ vec_add2 (km->supported_transforms, tr, 1);
+ tr->type = IKEV2_TRANSFORM_TYPE_DH;
+ tr->dh_type = IKEV2_TRANSFORM_DH_TYPE_MODP_1024;
+ tr->key_len = 1024 / 8;
+ tr->dh_p = (const char *) &modp_dh_1024_prime;
+ tr->dh_g = (const char *) &modp_dh_1024_generator;
+ tr->dh_group = IKEV2_DH_GROUP_MODP;
+
+ vec_add2 (km->supported_transforms, tr, 1);
+ tr->type = IKEV2_TRANSFORM_TYPE_DH;
+ tr->dh_type = IKEV2_TRANSFORM_DH_TYPE_MODP_768;
+ tr->key_len = 768 / 8;
+ tr->dh_p = (const char *) &modp_dh_768_prime;
+ tr->dh_g = (const char *) &modp_dh_768_generator;
+ tr->dh_group = IKEV2_DH_GROUP_MODP;
+
+ vec_add2 (km->supported_transforms, tr, 1);
+ tr->type = IKEV2_TRANSFORM_TYPE_ESN;
+ tr->esn_type = IKEV2_TRANSFORM_ESN_TYPE_ESN;
+
+ vec_add2 (km->supported_transforms, tr, 1);
+ tr->type = IKEV2_TRANSFORM_TYPE_ESN;
+ tr->esn_type = IKEV2_TRANSFORM_ESN_TYPE_NO_ESN;
+}
+
+
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */
diff --git a/src/plugins/ikev2/ikev2_format.c b/src/plugins/ikev2/ikev2_format.c
new file mode 100644
index 00000000000..2b77d7e5945
--- /dev/null
+++ b/src/plugins/ikev2/ikev2_format.c
@@ -0,0 +1,155 @@
+/*
+ * 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/interface.h>
+
+#include <vnet/ipsec/ipsec.h>
+#include <plugins/ikev2/ikev2.h>
+#include <plugins/ikev2/ikev2_priv.h>
+
+u8 *
+format_ikev2_sa_transform (u8 * s, va_list * args)
+{
+ ikev2_sa_transform_t *tr = va_arg (*args, ikev2_sa_transform_t *);
+
+ if (!tr)
+ return s;
+
+ if (tr->type >= IKEV2_TRANSFORM_NUM_TYPES)
+ return s;
+
+ s = format (s, "%U:", format_ikev2_transform_type, tr->type);
+
+ switch (tr->type)
+ {
+ case IKEV2_TRANSFORM_TYPE_ENCR:
+ s = format (s, "%U", format_ikev2_transform_encr_type, tr->encr_type);
+ break;
+ case IKEV2_TRANSFORM_TYPE_PRF:
+ s = format (s, "%U", format_ikev2_transform_prf_type, tr->prf_type);
+ break;
+ case IKEV2_TRANSFORM_TYPE_INTEG:
+ s = format (s, "%U", format_ikev2_transform_integ_type, tr->integ_type);
+ break;
+ case IKEV2_TRANSFORM_TYPE_DH:
+ s = format (s, "%U", format_ikev2_transform_dh_type, tr->dh_type);
+ break;
+ case IKEV2_TRANSFORM_TYPE_ESN:
+ s = format (s, "%U", format_ikev2_transform_esn_type, tr->esn_type);
+ break;
+ default:
+ break;
+ }
+
+ if (tr->type == IKEV2_TRANSFORM_TYPE_ENCR &&
+ tr->encr_type == IKEV2_TRANSFORM_ENCR_TYPE_AES_CBC && tr->key_len)
+ s = format (s, "-%u", tr->key_len * 8);
+ else if (vec_len (tr->attrs) == 4 && tr->attrs[0] == 0x80
+ && tr->attrs[1] == 0x0e)
+ s = format (s, "-%u", tr->attrs[2] * 256 + tr->attrs[3]);
+ else if (vec_len (tr->attrs))
+ s = format (s, "(unknown attr %U)", format_hex_bytes,
+ tr->attrs, vec_len (tr->attrs));
+
+ return s;
+}
+
+#define MACRO_FORMAT(lc) \
+u8 * format_ikev2_##lc (u8 * s, va_list * args) \
+{ \
+ u32 i = va_arg (*args, u32); \
+ char * t = 0; \
+ switch (i) { \
+ foreach_ikev2_##lc \
+ default: \
+ return format (s, "unknown (%u)", i); \
+ } \
+ s = format (s, "%s", t); \
+ return s; \
+}
+
+#define MACRO_UNFORMAT(lc) \
+uword \
+unformat_ikev2_##lc (unformat_input_t * input, \
+ va_list * args) \
+{ \
+ u32 * r = va_arg (*args, u32 *); \
+ if (0) ; \
+ foreach_ikev2_##lc \
+ else \
+ return 0; \
+ return 1; \
+}
+
+#define _(v,f,str) case IKEV2_AUTH_METHOD_##f: t = str; break;
+MACRO_FORMAT (auth_method)
+#undef _
+#define _(v,f,str) else if (unformat (input, str)) *r = IKEV2_AUTH_METHOD_##f;
+ MACRO_UNFORMAT (auth_method)
+#undef _
+#define _(v,f,str) case IKEV2_TRANSFORM_TYPE_##f: t = str; break;
+ MACRO_FORMAT (transform_type)
+#undef _
+#define _(v,f,str) else if (unformat (input, str)) *r = IKEV2_TRANSFORM_TYPE_##f;
+ MACRO_UNFORMAT (transform_type)
+#undef _
+#define _(v,f) case IKEV2_NOTIFY_MSG_##f: t = #f; break;
+ MACRO_FORMAT (notify_msg_type)
+#undef _
+#define _(v,f,str) case IKEV2_ID_TYPE_##f: t = str; break;
+ MACRO_FORMAT (id_type)
+#undef _
+#define _(v,f,str) else if (unformat (input, str)) *r = IKEV2_ID_TYPE_##f;
+ MACRO_UNFORMAT (id_type)
+#undef _
+#define _(v,f,str) case IKEV2_TRANSFORM_ENCR_TYPE_##f: t = str; break;
+ MACRO_FORMAT (transform_encr_type)
+#undef _
+#define _(v,f,str) else if (unformat (input, str)) *r = IKEV2_TRANSFORM_ENCR_TYPE_##f;
+ MACRO_UNFORMAT (transform_encr_type)
+#undef _
+#define _(v,f,str) case IKEV2_TRANSFORM_PRF_TYPE_##f: t = str; break;
+ MACRO_FORMAT (transform_prf_type)
+#undef _
+#define _(v,f,str) else if (unformat (input, str)) *r = IKEV2_TRANSFORM_PRF_TYPE_##f;
+ MACRO_UNFORMAT (transform_prf_type)
+#undef _
+#define _(v,f,str) case IKEV2_TRANSFORM_INTEG_TYPE_##f: t = str; break;
+ MACRO_FORMAT (transform_integ_type)
+#undef _
+#define _(v,f,str) else if (unformat (input, str)) *r = IKEV2_TRANSFORM_INTEG_TYPE_##f;
+ MACRO_UNFORMAT (transform_integ_type)
+#undef _
+#define _(v,f,str) case IKEV2_TRANSFORM_DH_TYPE_##f: t = str; break;
+ MACRO_FORMAT (transform_dh_type)
+#undef _
+#define _(v,f,str) else if (unformat (input, str)) *r = IKEV2_TRANSFORM_DH_TYPE_##f;
+ MACRO_UNFORMAT (transform_dh_type)
+#undef _
+#define _(v,f,str) case IKEV2_TRANSFORM_ESN_TYPE_##f: t = str; break;
+ MACRO_FORMAT (transform_esn_type)
+#undef _
+#define _(v,f,str) else if (unformat (input, str)) *r = IKEV2_TRANSFORM_ESN_TYPE_##f;
+ MACRO_UNFORMAT (transform_esn_type)
+#undef _
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */
diff --git a/src/plugins/ikev2/ikev2_msg_enum.h b/src/plugins/ikev2/ikev2_msg_enum.h
new file mode 100644
index 00000000000..63dbfafb8c0
--- /dev/null
+++ b/src/plugins/ikev2/ikev2_msg_enum.h
@@ -0,0 +1,28 @@
+/*
+ * Copyright (c) 2016 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.
+ */
+#ifndef included_ikev2_msg_enum_h
+#define included_ikev2_msg_enum_h
+
+#include <vppinfra/byte_order.h>
+
+#define vl_msg_id(n,h) n,
+typedef enum {
+#include <ikev2/ikev2.api.h>
+ /* We'll want to know how many messages IDs we need... */
+ VL_MSG_FIRST_AVAILABLE,
+} vl_msg_id_t;
+#undef vl_msg_id
+
+#endif
diff --git a/src/plugins/ikev2/ikev2_payload.c b/src/plugins/ikev2/ikev2_payload.c
new file mode 100644
index 00000000000..509483aa655
--- /dev/null
+++ b/src/plugins/ikev2/ikev2_payload.c
@@ -0,0 +1,549 @@
+/*
+ * 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 <ctype.h>
+
+#include <vnet/vnet.h>
+#include <vnet/api_errno.h>
+#include <vnet/ip/ip.h>
+#include <vnet/interface.h>
+
+#include <vnet/ipsec/ipsec.h>
+#include <plugins/ikev2/ikev2.h>
+#include <plugins/ikev2/ikev2_priv.h>
+
+/* *INDENT-OFF* */
+typedef CLIB_PACKED (struct {
+ u8 nextpayload;
+ u8 flags;
+ u16 length;
+ u8 protocol_id;
+ u8 spi_size;
+ u16 msg_type;
+ u8 payload[0];
+}) ike_notify_payload_header_t;
+/* *INDENT-ON* */
+
+/* *INDENT-OFF* */
+typedef CLIB_PACKED (struct {
+ u8 ts_type;
+ u8 protocol_id;
+ u16 selector_len;
+ u16 start_port;
+ u16 end_port;
+ ip4_address_t start_addr;
+ ip4_address_t end_addr;
+}) ikev2_ts_payload_entry_t;
+/* *INDENT-OFF* */
+
+/* *INDENT-OFF* */
+typedef CLIB_PACKED (struct {
+ u8 nextpayload;
+ u8 flags;
+ u16 length;
+ u8 num_ts;
+ u8 reserved[3];
+ ikev2_ts_payload_entry_t ts[0];
+}) ike_ts_payload_header_t;
+/* *INDENT-OFF* */
+
+/* *INDENT-OFF* */
+typedef CLIB_PACKED (struct {
+ u8 last_or_more;
+ u8 reserved;
+ u16 proposal_len;
+ u8 proposal_num;
+ u8 protocol_id;
+ u8 spi_size;
+ u8 num_transforms; u32 spi[0];
+}) ike_sa_proposal_data_t;
+/* *INDENT-OFF* */
+
+/* *INDENT-OFF* */
+typedef CLIB_PACKED (struct {
+ u8 last_or_more;
+ u8 reserved;
+ u16 transform_len;
+ u8 transform_type;
+ u8 reserved2;
+ u16 transform_id;
+ u8 attributes[0];
+}) ike_sa_transform_data_t;
+/* *INDENT-OFF* */
+
+/* *INDENT-OFF* */
+typedef CLIB_PACKED (struct {
+ u8 nextpayload;
+ u8 flags;
+ u16 length;
+ u8 protocol_id;
+ u8 spi_size;
+ u16 num_of_spi;
+ u32 spi[0];
+}) ike_delete_payload_header_t;
+/* *INDENT-OFF* */
+
+static ike_payload_header_t *
+ikev2_payload_add_hdr (ikev2_payload_chain_t * c, u8 payload_type, int len)
+{
+ ike_payload_header_t *hdr =
+ (ike_payload_header_t *) & c->data[c->last_hdr_off];
+ u8 *tmp;
+
+ if (c->data)
+ hdr->nextpayload = payload_type;
+ else
+ c->first_payload_type = payload_type;
+
+ c->last_hdr_off = vec_len (c->data);
+ vec_add2 (c->data, tmp, len);
+ hdr = (ike_payload_header_t *) tmp;
+ clib_memset (hdr, 0, len);
+
+ hdr->length = clib_host_to_net_u16 (len);
+
+ return hdr;
+}
+
+static void
+ikev2_payload_add_data (ikev2_payload_chain_t * c, u8 * data)
+{
+ u16 len;
+ ike_payload_header_t *hdr;
+
+ vec_append (c->data, data);
+ hdr = (ike_payload_header_t *) & c->data[c->last_hdr_off];
+ len = clib_net_to_host_u16 (hdr->length);
+ hdr->length = clib_host_to_net_u16 (len + vec_len (data));
+}
+
+void
+ikev2_payload_add_notify (ikev2_payload_chain_t * c, u16 msg_type, u8 * data)
+{
+ ikev2_payload_add_notify_2(c, msg_type, data, 0);
+}
+
+void
+ikev2_payload_add_notify_2 (ikev2_payload_chain_t * c, u16 msg_type,
+ u8 * data, ikev2_notify_t * notify)
+{
+ ike_notify_payload_header_t *n;
+
+ n =
+ (ike_notify_payload_header_t *) ikev2_payload_add_hdr (c,
+ IKEV2_PAYLOAD_NOTIFY,
+ sizeof (*n));
+ n->msg_type = clib_host_to_net_u16 (msg_type);
+ if (notify)
+ {
+ n->protocol_id = notify->protocol_id;
+ if (notify->spi)
+ {
+ n->spi_size = 4;
+ }
+ }
+ ikev2_payload_add_data (c, data);
+}
+
+void
+ikev2_payload_add_sa (ikev2_payload_chain_t * c,
+ ikev2_sa_proposal_t * proposals)
+{
+ ike_payload_header_t *ph;
+ ike_sa_proposal_data_t *prop;
+ ike_sa_transform_data_t *tr;
+ ikev2_sa_proposal_t *p;
+ ikev2_sa_transform_t *t;
+
+ u8 *tmp;
+ u8 *pr_data = 0;
+ u8 *tr_data = 0;
+
+ ikev2_payload_add_hdr (c, IKEV2_PAYLOAD_SA, sizeof (*ph));
+
+ vec_foreach (p, proposals)
+ {
+ int spi_size = (p->protocol_id == IKEV2_PROTOCOL_ESP) ? 4 : 0;
+ pr_data = vec_new (u8, sizeof (ike_sa_proposal_data_t) + spi_size);
+ prop = (ike_sa_proposal_data_t *) pr_data;
+ prop->last_or_more = proposals - p + 1 < vec_len (proposals) ? 2 : 0;
+ prop->protocol_id = p->protocol_id;
+ prop->proposal_num = p->proposal_num;
+ prop->spi_size = spi_size;
+ prop->num_transforms = vec_len (p->transforms);
+
+ if (spi_size)
+ prop->spi[0] = clib_host_to_net_u32 (p->spi);
+
+ DBG_PLD ("proposal num %u protocol_id %u last_or_more %u spi_size %u%s%U",
+ prop->proposal_num, prop->protocol_id, prop->last_or_more,
+ prop->spi_size, prop->spi_size ? " spi_data " : "",
+ format_hex_bytes, prop->spi, prop->spi_size);
+
+ vec_foreach (t, p->transforms)
+ {
+ vec_add2 (tr_data, tmp, sizeof (*tr) + vec_len (t->attrs));
+ tr = (ike_sa_transform_data_t *) tmp;
+ tr->last_or_more =
+ ((t - p->transforms) + 1 < vec_len (p->transforms)) ? 3 : 0;
+ tr->transform_type = t->type;
+ tr->transform_id = clib_host_to_net_u16 (t->transform_id);
+ tr->transform_len =
+ clib_host_to_net_u16 (sizeof (*tr) + vec_len (t->attrs));
+
+ if (vec_len (t->attrs) > 0)
+ clib_memcpy_fast (tr->attributes, t->attrs, vec_len (t->attrs));
+
+ DBG_PLD
+ ("transform type %U transform_id %u last_or_more %u attr_size %u%s%U",
+ format_ikev2_transform_type, tr->transform_type, t->transform_id,
+ tr->last_or_more, vec_len (t->attrs),
+ vec_len (t->attrs) ? " attrs " : "", format_hex_bytes,
+ tr->attributes, vec_len (t->attrs));
+ }
+
+ prop->proposal_len =
+ clib_host_to_net_u16 (vec_len (tr_data) + vec_len (pr_data));
+ ikev2_payload_add_data (c, pr_data);
+ ikev2_payload_add_data (c, tr_data);
+ vec_free (pr_data);
+ vec_free (tr_data);
+ }
+}
+
+void
+ikev2_payload_add_ke (ikev2_payload_chain_t * c, u16 dh_group, u8 * dh_data)
+{
+ ike_ke_payload_header_t *ke;
+ ke = (ike_ke_payload_header_t *) ikev2_payload_add_hdr (c, IKEV2_PAYLOAD_KE,
+ sizeof (*ke));
+
+ ke->dh_group = clib_host_to_net_u16 (dh_group);
+ ikev2_payload_add_data (c, dh_data);
+}
+
+void
+ikev2_payload_add_nonce (ikev2_payload_chain_t * c, u8 * nonce)
+{
+ ikev2_payload_add_hdr (c, IKEV2_PAYLOAD_NONCE,
+ sizeof (ike_payload_header_t));
+ ikev2_payload_add_data (c, nonce);
+}
+
+void
+ikev2_payload_add_id (ikev2_payload_chain_t * c, ikev2_id_t * id, u8 type)
+{
+ ike_id_payload_header_t *idp;
+ idp =
+ (ike_id_payload_header_t *) ikev2_payload_add_hdr (c, type,
+ sizeof (*idp));
+
+ idp->id_type = id->type;
+ ikev2_payload_add_data (c, id->data);
+}
+
+void
+ikev2_payload_add_delete (ikev2_payload_chain_t * c, ikev2_delete_t * d)
+{
+ ike_delete_payload_header_t *dp;
+ u16 num_of_spi = vec_len (d);
+ ikev2_delete_t *d2;
+ dp =
+ (ike_delete_payload_header_t *) ikev2_payload_add_hdr (c,
+ IKEV2_PAYLOAD_DELETE,
+ sizeof (*dp));
+
+ if (d[0].protocol_id == IKEV2_PROTOCOL_IKE)
+ {
+ dp->protocol_id = 1;
+ }
+ else
+ {
+ dp->protocol_id = d[0].protocol_id;
+ dp->spi_size = 4;
+ dp->num_of_spi = clib_host_to_net_u16 (num_of_spi);
+ vec_foreach (d2, d)
+ {
+ u8 *data = vec_new (u8, 4);
+ u32 spi = clib_host_to_net_u32 (d2->spi);
+ clib_memcpy (data, &spi, 4);
+ ikev2_payload_add_data (c, data);
+ vec_free (data);
+ }
+ }
+}
+
+void
+ikev2_payload_add_auth (ikev2_payload_chain_t * c, ikev2_auth_t * auth)
+{
+ ike_auth_payload_header_t *ap;
+ ap =
+ (ike_auth_payload_header_t *) ikev2_payload_add_hdr (c,
+ IKEV2_PAYLOAD_AUTH,
+ sizeof (*ap));
+
+ ap->auth_method = auth->method;
+ ikev2_payload_add_data (c, auth->data);
+}
+
+void
+ikev2_payload_add_ts (ikev2_payload_chain_t * c, ikev2_ts_t * ts, u8 type)
+{
+ ike_ts_payload_header_t *tsh;
+ ikev2_ts_t *ts2;
+ u8 *data = 0, *tmp;
+
+ tsh =
+ (ike_ts_payload_header_t *) ikev2_payload_add_hdr (c, type,
+ sizeof (*tsh));
+ tsh->num_ts = vec_len (ts);
+
+ vec_foreach (ts2, ts)
+ {
+ ASSERT (ts2->ts_type == 7); /*TS_IPV4_ADDR_RANGE */
+ ikev2_ts_payload_entry_t *entry;
+ vec_add2 (data, tmp, sizeof (*entry));
+ entry = (ikev2_ts_payload_entry_t *) tmp;
+ entry->ts_type = ts2->ts_type;
+ entry->protocol_id = ts2->protocol_id;
+ entry->selector_len = clib_host_to_net_u16 (16);
+ entry->start_port = clib_host_to_net_u16 (ts2->start_port);
+ entry->end_port = clib_host_to_net_u16 (ts2->end_port);
+ entry->start_addr.as_u32 = ts2->start_addr.as_u32;
+ entry->end_addr.as_u32 = ts2->end_addr.as_u32;
+ }
+
+ ikev2_payload_add_data (c, data);
+ vec_free (data);
+}
+
+void
+ikev2_payload_chain_add_padding (ikev2_payload_chain_t * c, int bs)
+{
+ u8 *tmp __attribute__ ((unused));
+ u8 pad_len = (vec_len (c->data) / bs + 1) * bs - vec_len (c->data);
+ vec_add2 (c->data, tmp, pad_len);
+ c->data[vec_len (c->data) - 1] = pad_len - 1;
+}
+
+ikev2_sa_proposal_t *
+ikev2_parse_sa_payload (ike_payload_header_t * ikep)
+{
+ ikev2_sa_proposal_t *v = 0;
+ ikev2_sa_proposal_t *proposal;
+ ikev2_sa_transform_t *transform;
+
+ u32 plen = clib_net_to_host_u16 (ikep->length);
+
+ ike_sa_proposal_data_t *sap;
+ int proposal_ptr = 0;
+
+ do
+ {
+ sap = (ike_sa_proposal_data_t *) & ikep->payload[proposal_ptr];
+ int i;
+ int transform_ptr;
+
+ DBG_PLD ("proposal num %u len %u last_or_more %u id %u "
+ "spi_size %u num_transforms %u",
+ sap->proposal_num, clib_net_to_host_u16 (sap->proposal_len),
+ sap->last_or_more, sap->protocol_id, sap->spi_size,
+ sap->num_transforms);
+
+ /* IKE proposal should not have SPI */
+ if (sap->protocol_id == IKEV2_PROTOCOL_IKE && sap->spi_size != 0)
+ goto data_corrupted;
+
+ /* IKE proposal should not have SPI */
+ if (sap->protocol_id == IKEV2_PROTOCOL_ESP && sap->spi_size != 4)
+ goto data_corrupted;
+
+ transform_ptr = proposal_ptr + sizeof (*sap) + sap->spi_size;
+
+ vec_add2 (v, proposal, 1);
+ proposal->proposal_num = sap->proposal_num;
+ proposal->protocol_id = sap->protocol_id;
+
+ if (sap->spi_size == 4)
+ {
+ proposal->spi = clib_net_to_host_u32 (sap->spi[0]);
+ }
+
+ for (i = 0; i < sap->num_transforms; i++)
+ {
+ ike_sa_transform_data_t *tr =
+ (ike_sa_transform_data_t *) & ikep->payload[transform_ptr];
+ u16 tlen = clib_net_to_host_u16 (tr->transform_len);
+
+ if (tlen < sizeof (*tr))
+ goto data_corrupted;
+
+ vec_add2 (proposal->transforms, transform, 1);
+
+ transform->type = tr->transform_type;
+ transform->transform_id = clib_net_to_host_u16 (tr->transform_id);
+ if (tlen > sizeof (*tr))
+ vec_add (transform->attrs, tr->attributes, tlen - sizeof (*tr));
+
+ DBG_PLD
+ ("transform num %u len %u last_or_more %u type %U id %u%s%U", i,
+ tlen, tr->last_or_more, format_ikev2_sa_transform, transform,
+ clib_net_to_host_u16 (tr->transform_id),
+ tlen > sizeof (*tr) ? " attrs " : "", format_hex_bytes,
+ tr->attributes, tlen - sizeof (*tr));
+
+ transform_ptr += tlen;
+ }
+
+ proposal_ptr += clib_net_to_host_u16 (sap->proposal_len);
+ }
+ while (proposal_ptr < (plen - sizeof (*ikep)) && sap->last_or_more == 2);
+
+ /* data validation */
+ if (proposal_ptr != (plen - sizeof (*ikep)) || sap->last_or_more)
+ goto data_corrupted;
+
+ return v;
+
+data_corrupted:
+ DBG_PLD ("SA payload data corrupted");
+ ikev2_sa_free_proposal_vector (&v);
+ return 0;
+}
+
+ikev2_ts_t *
+ikev2_parse_ts_payload (ike_payload_header_t * ikep)
+{
+ ike_ts_payload_header_t *tsp = (ike_ts_payload_header_t *) ikep;
+ ikev2_ts_t *r = 0, *ts;
+ u8 i;
+
+ for (i = 0; i < tsp->num_ts; i++)
+ {
+ if (tsp->ts[i].ts_type != 7) /* TS_IPV4_ADDR_RANGE */
+ {
+ DBG_PLD ("unsupported TS type received (%u)", tsp->ts[i].ts_type);
+ continue;
+ }
+
+ vec_add2 (r, ts, 1);
+ ts->ts_type = tsp->ts[i].ts_type;
+ ts->protocol_id = tsp->ts[i].protocol_id;
+ ts->start_port = tsp->ts[i].start_port;
+ ts->end_port = tsp->ts[i].end_port;
+ ts->start_addr.as_u32 = tsp->ts[i].start_addr.as_u32;
+ ts->end_addr.as_u32 = tsp->ts[i].end_addr.as_u32;
+ }
+ return r;
+}
+
+ikev2_notify_t *
+ikev2_parse_notify_payload (ike_payload_header_t * ikep)
+{
+ ike_notify_payload_header_t *n = (ike_notify_payload_header_t *) ikep;
+ u32 plen = clib_net_to_host_u16 (ikep->length);
+ ikev2_notify_t *r = 0;
+ u32 spi;
+
+ DBG_PLD ("msg_type %U len %u%s%U",
+ format_ikev2_notify_msg_type, clib_net_to_host_u16 (n->msg_type),
+ plen, plen > sizeof (*n) ? " data " : "",
+ format_hex_bytes, n->payload, plen - sizeof (*n));
+
+ r = vec_new (ikev2_notify_t, 1);
+ r->msg_type = clib_net_to_host_u16 (n->msg_type);
+ r->protocol_id = n->protocol_id;
+
+ if (n->spi_size == 4)
+ {
+ clib_memcpy (&spi, n->payload, n->spi_size);
+ r->spi = clib_net_to_host_u32 (spi);
+ DBG_PLD ("spi %lx", r->spi);
+ }
+ else if (n->spi_size == 0)
+ {
+ r->spi = 0;
+ }
+ else
+ {
+ clib_warning ("invalid SPI Size %d", n->spi_size);
+ }
+
+ if (plen > (sizeof (*n) + n->spi_size))
+ {
+ vec_add (r->data, n->payload + n->spi_size,
+ plen - sizeof (*n) - n->spi_size);
+ }
+
+ return r;
+}
+
+void
+ikev2_parse_vendor_payload (ike_payload_header_t * ikep)
+{
+ u32 plen = clib_net_to_host_u16 (ikep->length);
+ int i;
+ int is_string = 1;
+
+ for (i = 0; i < plen - 4; i++)
+ if (!isprint (ikep->payload[i]))
+ is_string = 0;
+
+ DBG_PLD ("len %u data %s:%U",
+ plen,
+ is_string ? "string" : "hex",
+ is_string ? format_ascii_bytes : format_hex_bytes,
+ ikep->payload, plen - sizeof (*ikep));
+}
+
+ikev2_delete_t *
+ikev2_parse_delete_payload (ike_payload_header_t * ikep)
+{
+ ike_delete_payload_header_t *d = (ike_delete_payload_header_t *) ikep;
+ u32 plen = clib_net_to_host_u16 (ikep->length);
+ ikev2_delete_t *r = 0, *del;
+ u16 num_of_spi = clib_net_to_host_u16 (d->num_of_spi);
+ u16 i = 0;
+
+ DBG_PLD ("protocol_id %u spi_size %u num_of_spi %u len %u%s%U",
+ d->protocol_id, d->spi_size, num_of_spi,
+ plen, plen > sizeof (d) ? " data " : "",
+ format_hex_bytes, d->spi, plen - sizeof (*d));
+
+ if (d->protocol_id == IKEV2_PROTOCOL_IKE)
+ {
+ r = vec_new (ikev2_delete_t, 1);
+ r->protocol_id = 1;
+ }
+ else
+ {
+ r = vec_new (ikev2_delete_t, num_of_spi);
+ vec_foreach (del, r)
+ {
+ del->protocol_id = d->protocol_id;
+ del->spi = clib_net_to_host_u32 (d->spi[i++]);
+ }
+ }
+
+ return r;
+}
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */
diff --git a/src/plugins/ikev2/ikev2_priv.h b/src/plugins/ikev2/ikev2_priv.h
new file mode 100644
index 00000000000..cfdc24f797a
--- /dev/null
+++ b/src/plugins/ikev2/ikev2_priv.h
@@ -0,0 +1,364 @@
+/*
+ * 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.
+ */
+#ifndef __included_ikev2_priv_h__
+#define __included_ikev2_priv_h__
+
+#include <vnet/vnet.h>
+#include <vnet/ip/ip.h>
+#include <vnet/ethernet/ethernet.h>
+
+#include <plugins/ikev2/ikev2.h>
+
+#include <vppinfra/hash.h>
+#include <vppinfra/elog.h>
+#include <vppinfra/error.h>
+
+#include <openssl/rand.h>
+#include <openssl/dh.h>
+#include <openssl/hmac.h>
+#include <openssl/evp.h>
+
+#define IKEV2_DEBUG_PAYLOAD 1
+
+#if IKEV2_DEBUG_PAYLOAD == 1
+#define DBG_PLD(my_args...) clib_warning(my_args)
+#else
+#define DBG_PLD(my_args...)
+#endif
+
+typedef enum
+{
+ IKEV2_STATE_UNKNOWN,
+ IKEV2_STATE_SA_INIT,
+ IKEV2_STATE_DELETED,
+ IKEV2_STATE_AUTH_FAILED,
+ IKEV2_STATE_AUTHENTICATED,
+ IKEV2_STATE_NOTIFY_AND_DELETE,
+ IKEV2_STATE_TS_UNACCEPTABLE,
+ IKEV2_STATE_NO_PROPOSAL_CHOSEN,
+} ikev2_state_t;
+
+typedef struct
+{
+ ikev2_auth_method_t method:8;
+ u8 *data;
+ u8 hex; /* hex encoding of the shared secret */
+ EVP_PKEY *key;
+} ikev2_auth_t;
+
+typedef enum
+{
+ IKEV2_DH_GROUP_MODP = 0,
+ IKEV2_DH_GROUP_ECP = 1,
+} ikev2_dh_group_t;
+
+typedef struct
+{
+ ikev2_transform_type_t type;
+ union
+ {
+ u16 transform_id;
+ ikev2_transform_encr_type_t encr_type:16;
+ ikev2_transform_prf_type_t prf_type:16;
+ ikev2_transform_integ_type_t integ_type:16;
+ ikev2_transform_dh_type_t dh_type:16;
+ ikev2_transform_esn_type_t esn_type:16;
+ };
+ u8 *attrs;
+ u16 key_len;
+ u16 key_trunc;
+ u16 block_size;
+ u8 dh_group;
+ int nid;
+ const char *dh_p;
+ const char *dh_g;
+ const void *md;
+ const void *cipher;
+} ikev2_sa_transform_t;
+
+typedef struct
+{
+ u8 proposal_num;
+ ikev2_protocol_id_t protocol_id:8;
+ u32 spi;
+ ikev2_sa_transform_t *transforms;
+} ikev2_sa_proposal_t;
+
+typedef struct
+{
+ u8 ts_type;
+ u8 protocol_id;
+ u16 selector_len;
+ u16 start_port;
+ u16 end_port;
+ ip4_address_t start_addr;
+ ip4_address_t end_addr;
+} ikev2_ts_t;
+
+typedef struct
+{
+ u32 sw_if_index;
+ ip4_address_t ip4;
+} ikev2_responder_t;
+
+typedef struct
+{
+ ikev2_transform_encr_type_t crypto_alg;
+ ikev2_transform_integ_type_t integ_alg;
+ ikev2_transform_dh_type_t dh_type;
+ u32 crypto_key_size;
+} ikev2_transforms_set;
+
+
+typedef struct
+{
+ ikev2_id_type_t type:8;
+ u8 *data;
+} ikev2_id_t;
+
+typedef struct
+{
+ /* sa proposals vectors */
+ ikev2_sa_proposal_t *i_proposals;
+ ikev2_sa_proposal_t *r_proposals;
+
+ /* Traffic Selectors */
+ ikev2_ts_t *tsi;
+ ikev2_ts_t *tsr;
+
+ /* keys */
+ u8 *sk_ai;
+ u8 *sk_ar;
+ u8 *sk_ei;
+ u8 *sk_er;
+
+ /* lifetime data */
+ f64 time_to_expiration;
+ u8 is_expired;
+ i8 rekey_retries;
+} ikev2_child_sa_t;
+
+typedef struct
+{
+ u8 protocol_id;
+ u32 spi; /*for ESP and AH SPI size is 4, for IKE size is 0 */
+} ikev2_delete_t;
+
+typedef struct
+{
+ u8 protocol_id;
+ u32 spi;
+ u32 ispi;
+ ikev2_sa_proposal_t *i_proposal;
+ ikev2_sa_proposal_t *r_proposal;
+ ikev2_ts_t *tsi;
+ ikev2_ts_t *tsr;
+} ikev2_rekey_t;
+
+typedef struct
+{
+ u16 msg_type;
+ u8 protocol_id;
+ u32 spi;
+ u8 *data;
+} ikev2_notify_t;
+
+typedef struct
+{
+ u8 *name;
+ u8 is_enabled;
+
+ ikev2_auth_t auth;
+ ikev2_id_t loc_id;
+ ikev2_id_t rem_id;
+ ikev2_ts_t loc_ts;
+ ikev2_ts_t rem_ts;
+ ikev2_responder_t responder;
+ ikev2_transforms_set ike_ts;
+ ikev2_transforms_set esp_ts;
+ u64 lifetime;
+ u64 lifetime_maxdata;
+ u32 lifetime_jitter;
+ u32 handover;
+} ikev2_profile_t;
+
+typedef struct
+{
+ ikev2_state_t state;
+ u8 unsupported_cp;
+ u8 initial_contact;
+ ip4_address_t iaddr;
+ ip4_address_t raddr;
+ u64 ispi;
+ u64 rspi;
+ u8 *i_nonce;
+ u8 *r_nonce;
+
+ /* DH data */
+ u16 dh_group;
+ u8 *dh_shared_key;
+ u8 *dh_private_key;
+ u8 *i_dh_data;
+ u8 *r_dh_data;
+
+ /* sa proposals vectors */
+ ikev2_sa_proposal_t *i_proposals;
+ ikev2_sa_proposal_t *r_proposals;
+
+ /* keys */
+ u8 *sk_d;
+ u8 *sk_ai;
+ u8 *sk_ar;
+ u8 *sk_ei;
+ u8 *sk_er;
+ u8 *sk_pi;
+ u8 *sk_pr;
+
+ /* auth */
+ ikev2_auth_t i_auth;
+ ikev2_auth_t r_auth;
+
+ /* ID */
+ ikev2_id_t i_id;
+ ikev2_id_t r_id;
+
+ /* pending deletes */
+ ikev2_delete_t *del;
+
+ /* pending rekeyings */
+ ikev2_rekey_t *rekey;
+
+ /* packet data */
+ u8 *last_sa_init_req_packet_data;
+ u8 *last_sa_init_res_packet_data;
+
+ /* retransmit */
+ u32 last_msg_id;
+ u8 *last_res_packet_data;
+
+ u8 is_initiator;
+ u32 last_init_msg_id;
+ ikev2_profile_t *profile;
+
+ ikev2_child_sa_t *childs;
+} ikev2_sa_t;
+
+
+typedef struct
+{
+ /* pool of IKEv2 Security Associations */
+ ikev2_sa_t *sas;
+
+ /* hash */
+ uword *sa_by_rspi;
+} ikev2_main_per_thread_data_t;
+
+typedef struct
+{
+ /* pool of IKEv2 profiles */
+ ikev2_profile_t *profiles;
+
+ /* vector of supported transform types */
+ ikev2_sa_transform_t *supported_transforms;
+
+ /* hash */
+ mhash_t profile_index_by_name;
+
+ /* local private key */
+ EVP_PKEY *pkey;
+
+ /* convenience */
+ vlib_main_t *vlib_main;
+ vnet_main_t *vnet_main;
+
+ /* pool of IKEv2 Security Associations created in initiator mode */
+ ikev2_sa_t *sais;
+ /* hash */
+ uword *sa_by_ispi;
+
+ ikev2_main_per_thread_data_t *per_thread_data;
+
+ /* API message ID base */
+ u16 msg_id_base;
+} ikev2_main_t;
+
+extern ikev2_main_t ikev2_main;
+
+void ikev2_sa_free_proposal_vector (ikev2_sa_proposal_t ** v);
+ikev2_sa_transform_t *ikev2_sa_get_td_for_type (ikev2_sa_proposal_t * p,
+ ikev2_transform_type_t type);
+
+/* ikev2_crypto.c */
+v8 *ikev2_calc_prf (ikev2_sa_transform_t * tr, v8 * key, v8 * data);
+u8 *ikev2_calc_prfplus (ikev2_sa_transform_t * tr, u8 * key, u8 * seed,
+ int len);
+v8 *ikev2_calc_integr (ikev2_sa_transform_t * tr, v8 * key, u8 * data,
+ int len);
+v8 *ikev2_decrypt_data (ikev2_sa_t * sa, u8 * data, int len);
+int ikev2_encrypt_data (ikev2_sa_t * sa, v8 * src, u8 * dst);
+void ikev2_generate_dh (ikev2_sa_t * sa, ikev2_sa_transform_t * t);
+void ikev2_complete_dh (ikev2_sa_t * sa, ikev2_sa_transform_t * t);
+int ikev2_verify_sign (EVP_PKEY * pkey, u8 * sigbuf, u8 * data);
+u8 *ikev2_calc_sign (EVP_PKEY * pkey, u8 * data);
+EVP_PKEY *ikev2_load_cert_file (u8 * file);
+EVP_PKEY *ikev2_load_key_file (u8 * file);
+void ikev2_crypto_init (ikev2_main_t * km);
+
+/* ikev2_payload.c */
+typedef struct
+{
+ u8 first_payload_type;
+ u16 last_hdr_off;
+ u8 *data;
+} ikev2_payload_chain_t;
+
+#define ikev2_payload_new_chain(V) vec_validate (V, 0)
+#define ikev2_payload_destroy_chain(V) do { \
+ vec_free((V)->data); \
+ vec_free(V); \
+} while (0)
+
+void ikev2_payload_add_notify (ikev2_payload_chain_t * c, u16 msg_type,
+ u8 * data);
+void ikev2_payload_add_notify_2 (ikev2_payload_chain_t * c, u16 msg_type,
+ u8 * data, ikev2_notify_t * notify);
+void ikev2_payload_add_sa (ikev2_payload_chain_t * c,
+ ikev2_sa_proposal_t * proposals);
+void ikev2_payload_add_ke (ikev2_payload_chain_t * c, u16 dh_group,
+ u8 * dh_data);
+void ikev2_payload_add_nonce (ikev2_payload_chain_t * c, u8 * nonce);
+void ikev2_payload_add_id (ikev2_payload_chain_t * c, ikev2_id_t * id,
+ u8 type);
+void ikev2_payload_add_auth (ikev2_payload_chain_t * c, ikev2_auth_t * auth);
+void ikev2_payload_add_ts (ikev2_payload_chain_t * c, ikev2_ts_t * ts,
+ u8 type);
+void ikev2_payload_add_delete (ikev2_payload_chain_t * c, ikev2_delete_t * d);
+void ikev2_payload_chain_add_padding (ikev2_payload_chain_t * c, int bs);
+void ikev2_parse_vendor_payload (ike_payload_header_t * ikep);
+ikev2_sa_proposal_t *ikev2_parse_sa_payload (ike_payload_header_t * ikep);
+ikev2_ts_t *ikev2_parse_ts_payload (ike_payload_header_t * ikep);
+ikev2_delete_t *ikev2_parse_delete_payload (ike_payload_header_t * ikep);
+ikev2_notify_t *ikev2_parse_notify_payload (ike_payload_header_t * ikep);
+
+#endif /* __included_ikev2_priv_h__ */
+
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */
diff --git a/src/plugins/ikev2/ikev2_test.c b/src/plugins/ikev2/ikev2_test.c
new file mode 100644
index 00000000000..68c50684824
--- /dev/null
+++ b/src/plugins/ikev2/ikev2_test.c
@@ -0,0 +1,861 @@
+/*
+ *------------------------------------------------------------------
+ * api_format.c
+ *
+ * Copyright (c) 2014-2016 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 <vat/vat.h>
+#include <vlibapi/api.h>
+#include <vlibmemory/api.h>
+#include <vppinfra/error.h>
+#include <plugins/ikev2/ikev2.h>
+
+#define __plugin_msg_base ikev2_test_main.msg_id_base
+#include <vlibapi/vat_helper_macros.h>
+
+/* Declare message IDs */
+#include <ikev2/ikev2_msg_enum.h>
+
+#define vl_typedefs /* define message structures */
+#include <ikev2/ikev2.api.h>
+#undef vl_typedefs
+
+/* declare message handlers for each api */
+
+#define vl_endianfun /* define message structures */
+#include <ikev2/ikev2.api.h>
+#undef vl_endianfun
+
+/* instantiate all the print functions we know about */
+#define vl_print(handle, ...)
+#define vl_printfun
+#include <ikev2/ikev2.api.h>
+#undef vl_printfun
+
+/* Get the API version number. */
+#define vl_api_version(n,v) static u32 api_version=(v);
+#include <ikev2/ikev2.api.h>
+#undef vl_api_version
+
+typedef struct
+{
+ /* API message ID base */
+ u16 msg_id_base;
+ vat_main_t *vat_main;
+} ikev2_test_main_t;
+
+ikev2_test_main_t ikev2_test_main;
+
+uword
+unformat_ikev2_auth_method (unformat_input_t * input, va_list * args)
+{
+ u32 *r = va_arg (*args, u32 *);
+
+ if (0);
+#define _(v,f,s) else if (unformat (input, s)) *r = IKEV2_AUTH_METHOD_##f;
+ foreach_ikev2_auth_method
+#undef _
+ else
+ return 0;
+ return 1;
+}
+
+uword
+unformat_ikev2_id_type (unformat_input_t * input, va_list * args)
+{
+ u32 *r = va_arg (*args, u32 *);
+
+ if (0);
+#define _(v,f,s) else if (unformat (input, s)) *r = IKEV2_ID_TYPE_##f;
+ foreach_ikev2_id_type
+#undef _
+ else
+ return 0;
+ return 1;
+}
+
+/*
+ * Generate boilerplate reply handlers, which
+ * dig the return value out of the xxx_reply_t API message,
+ * stick it into vam->retval, and set vam->result_ready
+ *
+ * Could also do this by pointing N message decode slots at
+ * a single function, but that could break in subtle ways.
+ */
+
+#define foreach_standard_reply_retval_handler \
+_(ikev2_profile_add_del_reply) \
+_(ikev2_profile_set_auth_reply) \
+_(ikev2_profile_set_id_reply) \
+_(ikev2_profile_set_ts_reply) \
+_(ikev2_set_local_key_reply) \
+_(ikev2_set_responder_reply) \
+_(ikev2_set_ike_transforms_reply) \
+_(ikev2_set_esp_transforms_reply) \
+_(ikev2_set_sa_lifetime_reply) \
+_(ikev2_initiate_sa_init_reply) \
+_(ikev2_initiate_del_ike_sa_reply) \
+_(ikev2_initiate_del_child_sa_reply) \
+_(ikev2_initiate_rekey_child_sa_reply)
+
+#define _(n) \
+ static void vl_api_##n##_t_handler \
+ (vl_api_##n##_t * mp) \
+ { \
+ vat_main_t * vam = ikev2_test_main.vat_main; \
+ i32 retval = ntohl(mp->retval); \
+ if (vam->async_mode) { \
+ vam->async_errors += (retval < 0); \
+ } else { \
+ vam->retval = retval; \
+ vam->result_ready = 1; \
+ } \
+ }
+foreach_standard_reply_retval_handler;
+#undef _
+
+/*
+ * Table of message reply handlers, must include boilerplate handlers
+ * we just generated
+ */
+
+#define foreach_vpe_api_reply_msg \
+_(IKEV2_PROFILE_ADD_DEL_REPLY, ikev2_profile_add_del_reply) \
+_(IKEV2_PROFILE_SET_AUTH_REPLY, ikev2_profile_set_auth_reply) \
+_(IKEV2_PROFILE_SET_ID_REPLY, ikev2_profile_set_id_reply) \
+_(IKEV2_PROFILE_SET_TS_REPLY, ikev2_profile_set_ts_reply) \
+_(IKEV2_SET_LOCAL_KEY_REPLY, ikev2_set_local_key_reply) \
+_(IKEV2_SET_RESPONDER_REPLY, ikev2_set_responder_reply) \
+_(IKEV2_SET_IKE_TRANSFORMS_REPLY, ikev2_set_ike_transforms_reply) \
+_(IKEV2_SET_ESP_TRANSFORMS_REPLY, ikev2_set_esp_transforms_reply) \
+_(IKEV2_SET_SA_LIFETIME_REPLY, ikev2_set_sa_lifetime_reply) \
+_(IKEV2_INITIATE_SA_INIT_REPLY, ikev2_initiate_sa_init_reply) \
+_(IKEV2_INITIATE_DEL_IKE_SA_REPLY, ikev2_initiate_del_ike_sa_reply) \
+_(IKEV2_INITIATE_DEL_CHILD_SA_REPLY, ikev2_initiate_del_child_sa_reply) \
+_(IKEV2_INITIATE_REKEY_CHILD_SA_REPLY, ikev2_initiate_rekey_child_sa_reply)
+
+
+static int
+api_ikev2_profile_add_del (vat_main_t * vam)
+{
+ unformat_input_t *i = vam->input;
+ vl_api_ikev2_profile_add_del_t *mp;
+ u8 is_add = 1;
+ u8 *name = 0;
+ int ret;
+
+ const char *valid_chars = "a-zA-Z0-9_";
+
+ while (unformat_check_input (i) != UNFORMAT_END_OF_INPUT)
+ {
+ if (unformat (i, "del"))
+ is_add = 0;
+ else if (unformat (i, "name %U", unformat_token, valid_chars, &name))
+ vec_add1 (name, 0);
+ else
+ {
+ errmsg ("parse error '%U'", format_unformat_error, i);
+ return -99;
+ }
+ }
+
+ if (!vec_len (name))
+ {
+ errmsg ("profile name must be specified");
+ return -99;
+ }
+
+ if (vec_len (name) > 64)
+ {
+ errmsg ("profile name too long");
+ return -99;
+ }
+
+ M (IKEV2_PROFILE_ADD_DEL, mp);
+
+ clib_memcpy (mp->name, name, vec_len (name));
+ mp->is_add = is_add;
+ vec_free (name);
+
+ S (mp);
+ W (ret);
+ return ret;
+}
+
+static int
+api_ikev2_profile_set_auth (vat_main_t * vam)
+{
+ unformat_input_t *i = vam->input;
+ vl_api_ikev2_profile_set_auth_t *mp;
+ u8 *name = 0;
+ u8 *data = 0;
+ u32 auth_method = 0;
+ u8 is_hex = 0;
+ int ret;
+
+ const char *valid_chars = "a-zA-Z0-9_";
+
+ while (unformat_check_input (i) != UNFORMAT_END_OF_INPUT)
+ {
+ if (unformat (i, "name %U", unformat_token, valid_chars, &name))
+ vec_add1 (name, 0);
+ else if (unformat (i, "auth_method %U",
+ unformat_ikev2_auth_method, &auth_method))
+ ;
+ else if (unformat (i, "auth_data 0x%U", unformat_hex_string, &data))
+ is_hex = 1;
+ else if (unformat (i, "auth_data %v", &data))
+ ;
+ else
+ {
+ errmsg ("parse error '%U'", format_unformat_error, i);
+ return -99;
+ }
+ }
+
+ if (!vec_len (name))
+ {
+ errmsg ("profile name must be specified");
+ return -99;
+ }
+
+ if (vec_len (name) > 64)
+ {
+ errmsg ("profile name too long");
+ return -99;
+ }
+
+ if (!vec_len (data))
+ {
+ errmsg ("auth_data must be specified");
+ return -99;
+ }
+
+ if (!auth_method)
+ {
+ errmsg ("auth_method must be specified");
+ return -99;
+ }
+
+ M (IKEV2_PROFILE_SET_AUTH, mp);
+
+ mp->is_hex = is_hex;
+ mp->auth_method = (u8) auth_method;
+ mp->data_len = vec_len (data);
+ clib_memcpy (mp->name, name, vec_len (name));
+ clib_memcpy (mp->data, data, vec_len (data));
+ vec_free (name);
+ vec_free (data);
+
+ S (mp);
+ W (ret);
+ return ret;
+}
+
+static int
+api_ikev2_profile_set_id (vat_main_t * vam)
+{
+ unformat_input_t *i = vam->input;
+ vl_api_ikev2_profile_set_id_t *mp;
+ u8 *name = 0;
+ u8 *data = 0;
+ u8 is_local = 0;
+ u32 id_type = 0;
+ ip4_address_t ip4;
+ int ret;
+
+ const char *valid_chars = "a-zA-Z0-9_";
+
+ while (unformat_check_input (i) != UNFORMAT_END_OF_INPUT)
+ {
+ if (unformat (i, "name %U", unformat_token, valid_chars, &name))
+ vec_add1 (name, 0);
+ else if (unformat (i, "id_type %U", unformat_ikev2_id_type, &id_type))
+ ;
+ else if (unformat (i, "id_data %U", unformat_ip4_address, &ip4))
+ {
+ data = vec_new (u8, 4);
+ clib_memcpy (data, ip4.as_u8, 4);
+ }
+ else if (unformat (i, "id_data 0x%U", unformat_hex_string, &data))
+ ;
+ else if (unformat (i, "id_data %v", &data))
+ ;
+ else if (unformat (i, "local"))
+ is_local = 1;
+ else if (unformat (i, "remote"))
+ is_local = 0;
+ else
+ {
+ errmsg ("parse error '%U'", format_unformat_error, i);
+ return -99;
+ }
+ }
+
+ if (!vec_len (name))
+ {
+ errmsg ("profile name must be specified");
+ return -99;
+ }
+
+ if (vec_len (name) > 64)
+ {
+ errmsg ("profile name too long");
+ return -99;
+ }
+
+ if (!vec_len (data))
+ {
+ errmsg ("id_data must be specified");
+ return -99;
+ }
+
+ if (!id_type)
+ {
+ errmsg ("id_type must be specified");
+ return -99;
+ }
+
+ M (IKEV2_PROFILE_SET_ID, mp);
+
+ mp->is_local = is_local;
+ mp->id_type = (u8) id_type;
+ mp->data_len = vec_len (data);
+ clib_memcpy (mp->name, name, vec_len (name));
+ clib_memcpy (mp->data, data, vec_len (data));
+ vec_free (name);
+ vec_free (data);
+
+ S (mp);
+ W (ret);
+ return ret;
+}
+
+static int
+api_ikev2_profile_set_ts (vat_main_t * vam)
+{
+ unformat_input_t *i = vam->input;
+ vl_api_ikev2_profile_set_ts_t *mp;
+ u8 *name = 0;
+ u8 is_local = 0;
+ u32 proto = 0, start_port = 0, end_port = (u32) ~ 0;
+ ip4_address_t start_addr, end_addr;
+
+ const char *valid_chars = "a-zA-Z0-9_";
+ int ret;
+
+ start_addr.as_u32 = 0;
+ end_addr.as_u32 = (u32) ~ 0;
+
+ while (unformat_check_input (i) != UNFORMAT_END_OF_INPUT)
+ {
+ if (unformat (i, "name %U", unformat_token, valid_chars, &name))
+ vec_add1 (name, 0);
+ else if (unformat (i, "protocol %d", &proto))
+ ;
+ else if (unformat (i, "start_port %d", &start_port))
+ ;
+ else if (unformat (i, "end_port %d", &end_port))
+ ;
+ else
+ if (unformat (i, "start_addr %U", unformat_ip4_address, &start_addr))
+ ;
+ else if (unformat (i, "end_addr %U", unformat_ip4_address, &end_addr))
+ ;
+ else if (unformat (i, "local"))
+ is_local = 1;
+ else if (unformat (i, "remote"))
+ is_local = 0;
+ else
+ {
+ errmsg ("parse error '%U'", format_unformat_error, i);
+ return -99;
+ }
+ }
+
+ if (!vec_len (name))
+ {
+ errmsg ("profile name must be specified");
+ return -99;
+ }
+
+ if (vec_len (name) > 64)
+ {
+ errmsg ("profile name too long");
+ return -99;
+ }
+
+ M (IKEV2_PROFILE_SET_TS, mp);
+
+ mp->is_local = is_local;
+ mp->proto = (u8) proto;
+ mp->start_port = (u16) start_port;
+ mp->end_port = (u16) end_port;
+ mp->start_addr = start_addr.as_u32;
+ mp->end_addr = end_addr.as_u32;
+ clib_memcpy (mp->name, name, vec_len (name));
+ vec_free (name);
+
+ S (mp);
+ W (ret);
+ return ret;
+}
+
+static int
+api_ikev2_set_local_key (vat_main_t * vam)
+{
+ unformat_input_t *i = vam->input;
+ vl_api_ikev2_set_local_key_t *mp;
+ u8 *file = 0;
+ int ret;
+
+ while (unformat_check_input (i) != UNFORMAT_END_OF_INPUT)
+ {
+ if (unformat (i, "file %v", &file))
+ vec_add1 (file, 0);
+ else
+ {
+ errmsg ("parse error '%U'", format_unformat_error, i);
+ return -99;
+ }
+ }
+
+ if (!vec_len (file))
+ {
+ errmsg ("RSA key file must be specified");
+ return -99;
+ }
+
+ if (vec_len (file) > 256)
+ {
+ errmsg ("file name too long");
+ return -99;
+ }
+
+ M (IKEV2_SET_LOCAL_KEY, mp);
+
+ clib_memcpy (mp->key_file, file, vec_len (file));
+ vec_free (file);
+
+ S (mp);
+ W (ret);
+ return ret;
+}
+
+static int
+api_ikev2_set_responder (vat_main_t * vam)
+{
+ unformat_input_t *i = vam->input;
+ vl_api_ikev2_set_responder_t *mp;
+ int ret;
+ u8 *name = 0;
+ u32 sw_if_index = ~0;
+ ip4_address_t address;
+
+ const char *valid_chars = "a-zA-Z0-9_";
+
+ while (unformat_check_input (i) != UNFORMAT_END_OF_INPUT)
+ {
+ if (unformat
+ (i, "%U interface %d address %U", unformat_token, valid_chars,
+ &name, &sw_if_index, unformat_ip4_address, &address))
+ vec_add1 (name, 0);
+ else
+ {
+ errmsg ("parse error '%U'", format_unformat_error, i);
+ return -99;
+ }
+ }
+
+ if (!vec_len (name))
+ {
+ errmsg ("profile name must be specified");
+ return -99;
+ }
+
+ if (vec_len (name) > 64)
+ {
+ errmsg ("profile name too long");
+ return -99;
+ }
+
+ M (IKEV2_SET_RESPONDER, mp);
+
+ clib_memcpy (mp->name, name, vec_len (name));
+ vec_free (name);
+
+ mp->sw_if_index = sw_if_index;
+ clib_memcpy (mp->address, &address, sizeof (address));
+
+ S (mp);
+ W (ret);
+ return ret;
+}
+
+static int
+api_ikev2_set_ike_transforms (vat_main_t * vam)
+{
+ unformat_input_t *i = vam->input;
+ vl_api_ikev2_set_ike_transforms_t *mp;
+ int ret;
+ u8 *name = 0;
+ u32 crypto_alg, crypto_key_size, integ_alg, dh_group;
+
+ const char *valid_chars = "a-zA-Z0-9_";
+
+ while (unformat_check_input (i) != UNFORMAT_END_OF_INPUT)
+ {
+ if (unformat (i, "%U %d %d %d %d", unformat_token, valid_chars, &name,
+ &crypto_alg, &crypto_key_size, &integ_alg, &dh_group))
+ vec_add1 (name, 0);
+ else
+ {
+ errmsg ("parse error '%U'", format_unformat_error, i);
+ return -99;
+ }
+ }
+
+ if (!vec_len (name))
+ {
+ errmsg ("profile name must be specified");
+ return -99;
+ }
+
+ if (vec_len (name) > 64)
+ {
+ errmsg ("profile name too long");
+ return -99;
+ }
+
+ M (IKEV2_SET_IKE_TRANSFORMS, mp);
+
+ clib_memcpy (mp->name, name, vec_len (name));
+ vec_free (name);
+ mp->crypto_alg = crypto_alg;
+ mp->crypto_key_size = crypto_key_size;
+ mp->integ_alg = integ_alg;
+ mp->dh_group = dh_group;
+
+ S (mp);
+ W (ret);
+ return ret;
+}
+
+
+static int
+api_ikev2_set_esp_transforms (vat_main_t * vam)
+{
+ unformat_input_t *i = vam->input;
+ vl_api_ikev2_set_esp_transforms_t *mp;
+ int ret;
+ u8 *name = 0;
+ u32 crypto_alg, crypto_key_size, integ_alg, dh_group;
+
+ const char *valid_chars = "a-zA-Z0-9_";
+
+ while (unformat_check_input (i) != UNFORMAT_END_OF_INPUT)
+ {
+ if (unformat (i, "%U %d %d %d %d", unformat_token, valid_chars, &name,
+ &crypto_alg, &crypto_key_size, &integ_alg, &dh_group))
+ vec_add1 (name, 0);
+ else
+ {
+ errmsg ("parse error '%U'", format_unformat_error, i);
+ return -99;
+ }
+ }
+
+ if (!vec_len (name))
+ {
+ errmsg ("profile name must be specified");
+ return -99;
+ }
+
+ if (vec_len (name) > 64)
+ {
+ errmsg ("profile name too long");
+ return -99;
+ }
+
+ M (IKEV2_SET_ESP_TRANSFORMS, mp);
+
+ clib_memcpy (mp->name, name, vec_len (name));
+ vec_free (name);
+ mp->crypto_alg = crypto_alg;
+ mp->crypto_key_size = crypto_key_size;
+ mp->integ_alg = integ_alg;
+ mp->dh_group = dh_group;
+
+ S (mp);
+ W (ret);
+ return ret;
+}
+
+static int
+api_ikev2_set_sa_lifetime (vat_main_t * vam)
+{
+ unformat_input_t *i = vam->input;
+ vl_api_ikev2_set_sa_lifetime_t *mp;
+ int ret;
+ u8 *name = 0;
+ u64 lifetime, lifetime_maxdata;
+ u32 lifetime_jitter, handover;
+
+ const char *valid_chars = "a-zA-Z0-9_";
+
+ while (unformat_check_input (i) != UNFORMAT_END_OF_INPUT)
+ {
+ if (unformat (i, "%U %lu %u %u %lu", unformat_token, valid_chars, &name,
+ &lifetime, &lifetime_jitter, &handover,
+ &lifetime_maxdata))
+ vec_add1 (name, 0);
+ else
+ {
+ errmsg ("parse error '%U'", format_unformat_error, i);
+ return -99;
+ }
+ }
+
+ if (!vec_len (name))
+ {
+ errmsg ("profile name must be specified");
+ return -99;
+ }
+
+ if (vec_len (name) > 64)
+ {
+ errmsg ("profile name too long");
+ return -99;
+ }
+
+ M (IKEV2_SET_SA_LIFETIME, mp);
+
+ clib_memcpy (mp->name, name, vec_len (name));
+ vec_free (name);
+ mp->lifetime = lifetime;
+ mp->lifetime_jitter = lifetime_jitter;
+ mp->handover = handover;
+ mp->lifetime_maxdata = lifetime_maxdata;
+
+ S (mp);
+ W (ret);
+ return ret;
+}
+
+static int
+api_ikev2_initiate_sa_init (vat_main_t * vam)
+{
+ unformat_input_t *i = vam->input;
+ vl_api_ikev2_initiate_sa_init_t *mp;
+ int ret;
+ u8 *name = 0;
+
+ const char *valid_chars = "a-zA-Z0-9_";
+
+ while (unformat_check_input (i) != UNFORMAT_END_OF_INPUT)
+ {
+ if (unformat (i, "%U", unformat_token, valid_chars, &name))
+ vec_add1 (name, 0);
+ else
+ {
+ errmsg ("parse error '%U'", format_unformat_error, i);
+ return -99;
+ }
+ }
+
+ if (!vec_len (name))
+ {
+ errmsg ("profile name must be specified");
+ return -99;
+ }
+
+ if (vec_len (name) > 64)
+ {
+ errmsg ("profile name too long");
+ return -99;
+ }
+
+ M (IKEV2_INITIATE_SA_INIT, mp);
+
+ clib_memcpy (mp->name, name, vec_len (name));
+ vec_free (name);
+
+ S (mp);
+ W (ret);
+ return ret;
+}
+
+static int
+api_ikev2_initiate_del_ike_sa (vat_main_t * vam)
+{
+ unformat_input_t *i = vam->input;
+ vl_api_ikev2_initiate_del_ike_sa_t *mp;
+ int ret;
+ u64 ispi;
+
+
+ while (unformat_check_input (i) != UNFORMAT_END_OF_INPUT)
+ {
+ if (unformat (i, "%lx", &ispi))
+ ;
+ else
+ {
+ errmsg ("parse error '%U'", format_unformat_error, i);
+ return -99;
+ }
+ }
+
+ M (IKEV2_INITIATE_DEL_IKE_SA, mp);
+
+ mp->ispi = ispi;
+
+ S (mp);
+ W (ret);
+ return ret;
+}
+
+static int
+api_ikev2_initiate_del_child_sa (vat_main_t * vam)
+{
+ unformat_input_t *i = vam->input;
+ vl_api_ikev2_initiate_del_child_sa_t *mp;
+ int ret;
+ u32 ispi;
+
+
+ while (unformat_check_input (i) != UNFORMAT_END_OF_INPUT)
+ {
+ if (unformat (i, "%x", &ispi))
+ ;
+ else
+ {
+ errmsg ("parse error '%U'", format_unformat_error, i);
+ return -99;
+ }
+ }
+
+ M (IKEV2_INITIATE_DEL_CHILD_SA, mp);
+
+ mp->ispi = ispi;
+
+ S (mp);
+ W (ret);
+ return ret;
+}
+
+static int
+api_ikev2_initiate_rekey_child_sa (vat_main_t * vam)
+{
+ unformat_input_t *i = vam->input;
+ vl_api_ikev2_initiate_rekey_child_sa_t *mp;
+ int ret;
+ u32 ispi;
+
+
+ while (unformat_check_input (i) != UNFORMAT_END_OF_INPUT)
+ {
+ if (unformat (i, "%x", &ispi))
+ ;
+ else
+ {
+ errmsg ("parse error '%U'", format_unformat_error, i);
+ return -99;
+ }
+ }
+
+ M (IKEV2_INITIATE_REKEY_CHILD_SA, mp);
+
+ mp->ispi = ispi;
+
+ S (mp);
+ W (ret);
+ return ret;
+}
+
+
+/* List of API message constructors, CLI names map to api_xxx */
+#define foreach_vpe_api_msg \
+_(ikev2_profile_add_del, "name <profile_name> [del]") \
+_(ikev2_profile_set_auth, "name <profile_name> auth_method <method>\n" \
+ "(auth_data 0x<data> | auth_data <data>)") \
+_(ikev2_profile_set_id, "name <profile_name> id_type <type>\n" \
+ "(id_data 0x<data> | id_data <data>) (local|remote)") \
+_(ikev2_profile_set_ts, "name <profile_name> protocol <proto>\n" \
+ "start_port <port> end_port <port> start_addr <ip4> end_addr <ip4>\n" \
+ "(local|remote)") \
+_(ikev2_set_local_key, "file <absolute_file_path>") \
+_(ikev2_set_responder, "<profile_name> interface <interface> address <addr>") \
+_(ikev2_set_ike_transforms, "<profile_name> <crypto alg> <key size> <integrity alg> <DH group>") \
+_(ikev2_set_esp_transforms, "<profile_name> <crypto alg> <key size> <integrity alg> <DH group>") \
+_(ikev2_set_sa_lifetime, "<profile_name> <seconds> <jitter> <handover> <max bytes>") \
+_(ikev2_initiate_sa_init, "<profile_name>") \
+_(ikev2_initiate_del_ike_sa, "<ispi>") \
+_(ikev2_initiate_del_child_sa, "<ispi>") \
+_(ikev2_initiate_rekey_child_sa, "<ispi>")
+
+static void
+ikev2_vat_api_hookup (vat_main_t * vam)
+{
+ ikev2_test_main_t *sm = &ikev2_test_main;
+ /* Hook up handlers for replies from the data plane plug-in */
+#define _(N,n) \
+ vl_msg_api_set_handlers((VL_API_##N + sm->msg_id_base), \
+ #n, \
+ vl_api_##n##_t_handler, \
+ vl_noop_handler, \
+ vl_api_##n##_t_endian, \
+ vl_api_##n##_t_print, \
+ sizeof(vl_api_##n##_t), 1);
+ foreach_vpe_api_reply_msg;
+#undef _
+
+ /* API messages we can send */
+#define _(n,h) hash_set_mem (vam->function_by_name, #n, api_##n);
+ foreach_vpe_api_msg;
+#undef _
+
+ /* Help strings */
+#define _(n,h) hash_set_mem (vam->help_by_name, #n, h);
+ foreach_vpe_api_msg;
+#undef _
+}
+
+clib_error_t *
+vat_plugin_register (vat_main_t * vam)
+{
+ ikev2_test_main_t *sm = &ikev2_test_main;
+ u8 *name;
+
+ sm->vat_main = vam;
+
+ name = format (0, "ikev2_%08x%c", api_version, 0);
+ sm->msg_id_base = vl_client_get_first_plugin_msg_id ((char *) name);
+
+ if (sm->msg_id_base != (u16) ~ 0)
+ ikev2_vat_api_hookup (vam);
+
+ vec_free (name);
+
+ return 0;
+}
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */