diff options
Diffstat (limited to 'src/vnet/ipsec')
| -rw-r--r-- | src/vnet/ipsec/ikev2.c | 3477 | ||||
| -rw-r--r-- | src/vnet/ipsec/ikev2.h | 435 | ||||
| -rw-r--r-- | src/vnet/ipsec/ikev2_cli.c | 602 | ||||
| -rw-r--r-- | src/vnet/ipsec/ikev2_crypto.c | 1076 | ||||
| -rw-r--r-- | src/vnet/ipsec/ikev2_format.c | 155 | ||||
| -rw-r--r-- | src/vnet/ipsec/ikev2_payload.c | 550 | ||||
| -rw-r--r-- | src/vnet/ipsec/ikev2_priv.h | 362 | ||||
| -rw-r--r-- | src/vnet/ipsec/ipsec.api | 247 | ||||
| -rw-r--r-- | src/vnet/ipsec/ipsec.c | 4 | ||||
| -rw-r--r-- | src/vnet/ipsec/ipsec_api.c | 356 |
10 files changed, 19 insertions, 7245 deletions
diff --git a/src/vnet/ipsec/ikev2.c b/src/vnet/ipsec/ikev2.c deleted file mode 100644 index d85feee4274..00000000000 --- a/src/vnet/ipsec/ikev2.c +++ /dev/null @@ -1,3477 +0,0 @@ -/* - * 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 <vppinfra/random.h> -#include <vnet/udp/udp.h> -#include <vnet/ipsec/ipsec.h> -#include <vnet/ipsec/ikev2.h> -#include <vnet/ipsec/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 (¬ify, 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, - ¬ify); - - 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; - - 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; -} - - -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", -}; - -/* *INDENT-ON* */ - -/* - * fd.io coding-style-patch-verification: ON - * - * Local Variables: - * eval: (c-set-style "gnu") - * End: - */ diff --git a/src/vnet/ipsec/ikev2.h b/src/vnet/ipsec/ikev2.h deleted file mode 100644 index 55731bff975..00000000000 --- a/src/vnet/ipsec/ikev2.h +++ /dev/null @@ -1,435 +0,0 @@ -/* - * 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/vnet/ipsec/ikev2_cli.c b/src/vnet/ipsec/ikev2_cli.c deleted file mode 100644 index 05ed4e6067f..00000000000 --- a/src/vnet/ipsec/ikev2_cli.c +++ /dev/null @@ -1,602 +0,0 @@ -/* - * 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 <vnet/ipsec/ikev2.h> -#include <vnet/ipsec/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/vnet/ipsec/ikev2_crypto.c b/src/vnet/ipsec/ikev2_crypto.c deleted file mode 100644 index ffe15891b75..00000000000 --- a/src/vnet/ipsec/ikev2_crypto.c +++ /dev/null @@ -1,1076 +0,0 @@ -/* - * 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 <vnet/ipsec/ikev2.h> -#include <vnet/ipsec/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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static const char modp_dh_6144_generator[] = "02"; - -static const char modp_dh_8192_prime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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/vnet/ipsec/ikev2_format.c b/src/vnet/ipsec/ikev2_format.c deleted file mode 100644 index 4d7a007f80d..00000000000 --- a/src/vnet/ipsec/ikev2_format.c +++ /dev/null @@ -1,155 +0,0 @@ -/* - * 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 <vnet/ipsec/ikev2.h> -#include <vnet/ipsec/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/vnet/ipsec/ikev2_payload.c b/src/vnet/ipsec/ikev2_payload.c deleted file mode 100644 index 3aae6d3a1f4..00000000000 --- a/src/vnet/ipsec/ikev2_payload.c +++ /dev/null @@ -1,550 +0,0 @@ -/* - * 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 <vnet/ipsec/ikev2.h> -#include <vnet/ipsec/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/vnet/ipsec/ikev2_priv.h b/src/vnet/ipsec/ikev2_priv.h deleted file mode 100644 index b396965a0bb..00000000000 --- a/src/vnet/ipsec/ikev2_priv.h +++ /dev/null @@ -1,362 +0,0 @@ -/* - * 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 <vnet/ipsec/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; - -} 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/vnet/ipsec/ipsec.api b/src/vnet/ipsec/ipsec.api index 91d21d4dce9..1928372c585 100644 --- a/src/vnet/ipsec/ipsec.api +++ b/src/vnet/ipsec/ipsec.api @@ -328,253 +328,6 @@ autoreply define ipsec_sa_set_key vl_api_key_t integrity_key; }; -/** \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; -}; - /** \brief IPsec: Get SPD interfaces @param client_index - opaque cookie to identify the sender @param context - sender context, to match reply w/ request diff --git a/src/vnet/ipsec/ipsec.c b/src/vnet/ipsec/ipsec.c index 0ad11ba842e..a512d0094a6 100644 --- a/src/vnet/ipsec/ipsec.c +++ b/src/vnet/ipsec/ipsec.c @@ -22,7 +22,6 @@ #include <vnet/udp/udp.h> #include <vnet/ipsec/ipsec.h> -#include <vnet/ipsec/ikev2.h> #include <vnet/ipsec/esp.h> #include <vnet/ipsec/ah.h> @@ -293,9 +292,6 @@ ipsec_init (vlib_main_t * vm) ipsec_proto_init (); - if ((error = ikev2_init (vm))) - return error; - return 0; } diff --git a/src/vnet/ipsec/ipsec_api.c b/src/vnet/ipsec/ipsec_api.c index 4b4ce4e1770..33634c9b3a2 100644 --- a/src/vnet/ipsec/ipsec_api.c +++ b/src/vnet/ipsec/ipsec_api.c @@ -30,7 +30,6 @@ #if WITH_LIBSSL > 0 #include <vnet/ipsec/ipsec.h> -#include <vnet/ipsec/ikev2.h> #endif /* IPSEC */ #define vl_typedefs /* define message structures */ @@ -62,19 +61,6 @@ _(IPSEC_SPD_INTERFACE_DUMP, ipsec_spd_interface_dump) \ _(IPSEC_TUNNEL_IF_ADD_DEL, ipsec_tunnel_if_add_del) \ _(IPSEC_TUNNEL_IF_SET_KEY, ipsec_tunnel_if_set_key) \ _(IPSEC_TUNNEL_IF_SET_SA, ipsec_tunnel_if_set_sa) \ -_(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) \ _(IPSEC_SELECT_BACKEND, ipsec_select_backend) \ _(IPSEC_BACKEND_DUMP, ipsec_backend_dump) @@ -841,329 +827,6 @@ vl_api_ipsec_tunnel_if_set_sa_t_handler (vl_api_ipsec_tunnel_if_set_sa_t * mp) REPLY_MACRO (VL_API_IPSEC_TUNNEL_IF_SET_SA_REPLY); } - -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); -} - -/* - * ipsec_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 <vnet/vnet_all_api_h.h> -#undef vl_msg_name_crc_list - -static void -setup_message_id_table (api_main_t * am) -{ -#define _(id,n,crc) vl_msg_api_add_msg_name_crc (am, #n "_" #crc, id); - foreach_vl_msg_name_crc_ipsec; -#undef _ -} - static void vl_api_ipsec_backend_dump_t_handler (vl_api_ipsec_backend_dump_t * mp) { @@ -1257,6 +920,25 @@ done: REPLY_MACRO (VL_API_IPSEC_SELECT_BACKEND_REPLY); } +/* + * ipsec_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 <vnet/vnet_all_api_h.h> +#undef vl_msg_name_crc_list + +static void +setup_message_id_table (api_main_t * am) +{ +#define _(id,n,crc) vl_msg_api_add_msg_name_crc (am, #n "_" #crc, id); + foreach_vl_msg_name_crc_ipsec; +#undef _ +} + static clib_error_t * ipsec_api_hookup (vlib_main_t * vm) { |