2 *------------------------------------------------------------------
3 * ipsec_api.c - ipsec api
5 * Copyright (c) 2016 Cisco and/or its affiliates.
6 * Licensed under the Apache License, Version 2.0 (the "License");
7 * you may not use this file except in compliance with the License.
8 * You may obtain a copy of the License at:
10 * http://www.apache.org/licenses/LICENSE-2.0
12 * Unless required by applicable law or agreed to in writing, software
13 * distributed under the License is distributed on an "AS IS" BASIS,
14 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15 * See the License for the specific language governing permissions and
16 * limitations under the License.
17 *------------------------------------------------------------------
20 #include <vnet/vnet.h>
21 #include <vlibmemory/api.h>
23 #include <vnet/interface.h>
24 #include <vnet/api_errno.h>
25 #include <vnet/ip/ip.h>
26 #include <vnet/ip/ip_types_api.h>
27 #include <vnet/fib/fib.h>
29 #include <vnet/vnet_msg_enum.h>
32 #include <vnet/ipsec/ipsec.h>
35 #define vl_typedefs /* define message structures */
36 #include <vnet/vnet_all_api_h.h>
39 #define vl_endianfun /* define message structures */
40 #include <vnet/vnet_all_api_h.h>
43 /* instantiate all the print functions we know about */
44 #define vl_print(handle, ...) vlib_cli_output (handle, __VA_ARGS__)
46 #include <vnet/vnet_all_api_h.h>
49 #include <vlibapi/api_helper_macros.h>
51 #define foreach_vpe_api_msg \
52 _(IPSEC_SPD_ADD_DEL, ipsec_spd_add_del) \
53 _(IPSEC_INTERFACE_ADD_DEL_SPD, ipsec_interface_add_del_spd) \
54 _(IPSEC_SPD_ENTRY_ADD_DEL, ipsec_spd_entry_add_del) \
55 _(IPSEC_SAD_ENTRY_ADD_DEL, ipsec_sad_entry_add_del) \
56 _(IPSEC_SA_SET_KEY, ipsec_sa_set_key) \
57 _(IPSEC_SA_DUMP, ipsec_sa_dump) \
58 _(IPSEC_SPDS_DUMP, ipsec_spds_dump) \
59 _(IPSEC_SPD_DUMP, ipsec_spd_dump) \
60 _(IPSEC_SPD_INTERFACE_DUMP, ipsec_spd_interface_dump) \
61 _(IPSEC_TUNNEL_IF_ADD_DEL, ipsec_tunnel_if_add_del) \
62 _(IPSEC_TUNNEL_IF_SET_KEY, ipsec_tunnel_if_set_key) \
63 _(IPSEC_TUNNEL_IF_SET_SA, ipsec_tunnel_if_set_sa) \
64 _(IPSEC_SELECT_BACKEND, ipsec_select_backend) \
65 _(IPSEC_BACKEND_DUMP, ipsec_backend_dump)
68 vl_api_ipsec_spd_add_del_t_handler (vl_api_ipsec_spd_add_del_t * mp)
71 clib_warning ("unimplemented");
74 vlib_main_t *vm __attribute__ ((unused)) = vlib_get_main ();
75 vl_api_ipsec_spd_add_del_reply_t *rmp;
78 rv = ipsec_add_del_spd (vm, ntohl (mp->spd_id), mp->is_add);
80 REPLY_MACRO (VL_API_IPSEC_SPD_ADD_DEL_REPLY);
84 static void vl_api_ipsec_interface_add_del_spd_t_handler
85 (vl_api_ipsec_interface_add_del_spd_t * mp)
87 vlib_main_t *vm __attribute__ ((unused)) = vlib_get_main ();
88 vl_api_ipsec_interface_add_del_spd_reply_t *rmp;
90 u32 sw_if_index __attribute__ ((unused));
91 u32 spd_id __attribute__ ((unused));
93 sw_if_index = ntohl (mp->sw_if_index);
94 spd_id = ntohl (mp->spd_id);
96 VALIDATE_SW_IF_INDEX (mp);
99 rv = ipsec_set_interface_spd (vm, sw_if_index, spd_id, mp->is_add);
101 rv = VNET_API_ERROR_UNIMPLEMENTED;
104 BAD_SW_IF_INDEX_LABEL;
106 REPLY_MACRO (VL_API_IPSEC_INTERFACE_ADD_DEL_SPD_REPLY);
110 ipsec_spd_action_decode (vl_api_ipsec_spd_action_t in,
111 ipsec_policy_action_t * out)
113 in = clib_net_to_host_u32 (in);
117 #define _(v,f,s) case IPSEC_API_SPD_ACTION_##f: \
118 *out = IPSEC_POLICY_ACTION_##f; \
120 foreach_ipsec_policy_action
123 return (VNET_API_ERROR_UNIMPLEMENTED);
126 static void vl_api_ipsec_spd_entry_add_del_t_handler
127 (vl_api_ipsec_spd_entry_add_del_t * mp)
129 vlib_main_t *vm __attribute__ ((unused)) = vlib_get_main ();
130 vl_api_ipsec_spd_entry_add_del_reply_t *rmp;
140 clib_memset (&p, 0, sizeof (p));
142 p.id = ntohl (mp->entry.spd_id);
143 p.priority = ntohl (mp->entry.priority);
145 itype = ip_address_decode (&mp->entry.remote_address_start, &p.raddr.start);
146 ip_address_decode (&mp->entry.remote_address_stop, &p.raddr.stop);
147 ip_address_decode (&mp->entry.local_address_start, &p.laddr.start);
148 ip_address_decode (&mp->entry.local_address_stop, &p.laddr.stop);
150 p.is_ipv6 = (itype == IP46_TYPE_IP6);
152 p.protocol = mp->entry.protocol;
153 /* leave the ports in network order */
154 p.rport.start = mp->entry.remote_port_start;
155 p.rport.stop = mp->entry.remote_port_stop;
156 p.lport.start = mp->entry.local_port_start;
157 p.lport.stop = mp->entry.local_port_stop;
159 rv = ipsec_spd_action_decode (mp->entry.policy, &p.policy);
164 /* policy action resolve unsupported */
165 if (p.policy == IPSEC_POLICY_ACTION_RESOLVE)
167 clib_warning ("unsupported action: 'resolve'");
168 rv = VNET_API_ERROR_UNIMPLEMENTED;
171 p.sa_id = ntohl (mp->entry.sa_id);
173 ipsec_policy_mk_type (mp->entry.is_outbound, p.is_ipv6, p.policy,
178 rv = ipsec_add_del_policy (vm, &p, mp->is_add, &stat_index);
183 rv = VNET_API_ERROR_UNIMPLEMENTED;
189 REPLY_MACRO2 (VL_API_IPSEC_SPD_ENTRY_ADD_DEL_REPLY,
191 rmp->stat_index = ntohl(stat_index);
197 ipsec_proto_decode (vl_api_ipsec_proto_t in, ipsec_protocol_t * out)
199 in = clib_net_to_host_u32 (in);
203 case IPSEC_API_PROTO_ESP:
204 *out = IPSEC_PROTOCOL_ESP;
206 case IPSEC_API_PROTO_AH:
207 *out = IPSEC_PROTOCOL_AH;
210 return (VNET_API_ERROR_INVALID_PROTOCOL);
213 static vl_api_ipsec_proto_t
214 ipsec_proto_encode (ipsec_protocol_t p)
218 case IPSEC_PROTOCOL_ESP:
219 return clib_host_to_net_u32 (IPSEC_API_PROTO_ESP);
220 case IPSEC_PROTOCOL_AH:
221 return clib_host_to_net_u32 (IPSEC_API_PROTO_AH);
223 return (VNET_API_ERROR_UNIMPLEMENTED);
227 ipsec_crypto_algo_decode (vl_api_ipsec_crypto_alg_t in,
228 ipsec_crypto_alg_t * out)
230 in = clib_net_to_host_u32 (in);
234 #define _(v,f,s) case IPSEC_API_CRYPTO_ALG_##f: \
235 *out = IPSEC_CRYPTO_ALG_##f; \
237 foreach_ipsec_crypto_alg
240 return (VNET_API_ERROR_INVALID_ALGORITHM);
243 static vl_api_ipsec_crypto_alg_t
244 ipsec_crypto_algo_encode (ipsec_crypto_alg_t c)
248 #define _(v,f,s) case IPSEC_CRYPTO_ALG_##f: \
249 return clib_host_to_net_u32(IPSEC_API_CRYPTO_ALG_##f);
250 foreach_ipsec_crypto_alg
252 case IPSEC_CRYPTO_N_ALG:
256 return (VNET_API_ERROR_UNIMPLEMENTED);
261 ipsec_integ_algo_decode (vl_api_ipsec_integ_alg_t in, ipsec_integ_alg_t * out)
263 in = clib_net_to_host_u32 (in);
267 #define _(v,f,s) case IPSEC_API_INTEG_ALG_##f: \
268 *out = IPSEC_INTEG_ALG_##f; \
270 foreach_ipsec_integ_alg
273 return (VNET_API_ERROR_INVALID_ALGORITHM);
276 static vl_api_ipsec_integ_alg_t
277 ipsec_integ_algo_encode (ipsec_integ_alg_t i)
281 #define _(v,f,s) case IPSEC_INTEG_ALG_##f: \
282 return (clib_host_to_net_u32(IPSEC_API_INTEG_ALG_##f));
283 foreach_ipsec_integ_alg
285 case IPSEC_INTEG_N_ALG:
289 return (VNET_API_ERROR_UNIMPLEMENTED);
293 ipsec_key_decode (const vl_api_key_t * key, ipsec_key_t * out)
295 ipsec_mk_key (out, key->data, key->length);
299 ipsec_key_encode (const ipsec_key_t * in, vl_api_key_t * out)
301 out->length = in->len;
302 clib_memcpy (out->data, in->data, out->length);
305 static ipsec_sa_flags_t
306 ipsec_sa_flags_decode (vl_api_ipsec_sad_flags_t in)
308 ipsec_sa_flags_t flags = IPSEC_SA_FLAG_NONE;
309 in = clib_net_to_host_u32 (in);
311 if (in & IPSEC_API_SAD_FLAG_USE_ESN)
312 flags |= IPSEC_SA_FLAG_USE_ESN;
313 if (in & IPSEC_API_SAD_FLAG_USE_ANTI_REPLAY)
314 flags |= IPSEC_SA_FLAG_USE_ANTI_REPLAY;
315 if (in & IPSEC_API_SAD_FLAG_IS_TUNNEL)
316 flags |= IPSEC_SA_FLAG_IS_TUNNEL;
317 if (in & IPSEC_API_SAD_FLAG_IS_TUNNEL_V6)
318 flags |= IPSEC_SA_FLAG_IS_TUNNEL_V6;
319 if (in & IPSEC_API_SAD_FLAG_UDP_ENCAP)
320 flags |= IPSEC_SA_FLAG_UDP_ENCAP;
325 static vl_api_ipsec_sad_flags_t
326 ipsec_sad_flags_encode (const ipsec_sa_t * sa)
328 vl_api_ipsec_sad_flags_t flags = IPSEC_API_SAD_FLAG_NONE;
330 if (ipsec_sa_is_set_USE_ESN (sa))
331 flags |= IPSEC_API_SAD_FLAG_USE_ESN;
332 if (ipsec_sa_is_set_USE_ANTI_REPLAY (sa))
333 flags |= IPSEC_API_SAD_FLAG_USE_ANTI_REPLAY;
334 if (ipsec_sa_is_set_IS_TUNNEL (sa))
335 flags |= IPSEC_API_SAD_FLAG_IS_TUNNEL;
336 if (ipsec_sa_is_set_IS_TUNNEL_V6 (sa))
337 flags |= IPSEC_API_SAD_FLAG_IS_TUNNEL_V6;
338 if (ipsec_sa_is_set_UDP_ENCAP (sa))
339 flags |= IPSEC_API_SAD_FLAG_UDP_ENCAP;
341 return clib_host_to_net_u32 (flags);
344 static void vl_api_ipsec_sad_entry_add_del_t_handler
345 (vl_api_ipsec_sad_entry_add_del_t * mp)
347 vlib_main_t *vm __attribute__ ((unused)) = vlib_get_main ();
348 vl_api_ipsec_sad_entry_add_del_reply_t *rmp;
349 ip46_address_t tun_src = { }, tun_dst =
352 ipsec_key_t crypto_key, integ_key;
353 ipsec_crypto_alg_t crypto_alg;
354 ipsec_integ_alg_t integ_alg;
355 ipsec_protocol_t proto;
356 ipsec_sa_flags_t flags;
357 u32 id, spi, sa_index = ~0;
362 id = ntohl (mp->entry.sad_id);
363 spi = ntohl (mp->entry.spi);
365 rv = ipsec_proto_decode (mp->entry.protocol, &proto);
370 rv = ipsec_crypto_algo_decode (mp->entry.crypto_algorithm, &crypto_alg);
375 rv = ipsec_integ_algo_decode (mp->entry.integrity_algorithm, &integ_alg);
380 ipsec_key_decode (&mp->entry.crypto_key, &crypto_key);
381 ipsec_key_decode (&mp->entry.integrity_key, &integ_key);
383 flags = ipsec_sa_flags_decode (mp->entry.flags);
385 ip_address_decode (&mp->entry.tunnel_src, &tun_src);
386 ip_address_decode (&mp->entry.tunnel_dst, &tun_dst);
389 rv = ipsec_sa_add (id, spi, proto,
390 crypto_alg, &crypto_key,
391 integ_alg, &integ_key, flags,
392 0, mp->entry.salt, &tun_src, &tun_dst, &sa_index);
394 rv = ipsec_sa_del (id);
397 rv = VNET_API_ERROR_UNIMPLEMENTED;
402 REPLY_MACRO2 (VL_API_IPSEC_SAD_ENTRY_ADD_DEL_REPLY,
404 rmp->stat_index = htonl (sa_index);
410 send_ipsec_spds_details (ipsec_spd_t * spd, vl_api_registration_t * reg,
413 vl_api_ipsec_spds_details_t *mp;
416 mp = vl_msg_api_alloc (sizeof (*mp));
417 clib_memset (mp, 0, sizeof (*mp));
418 mp->_vl_msg_id = ntohs (VL_API_IPSEC_SPDS_DETAILS);
419 mp->context = context;
421 mp->spd_id = htonl (spd->id);
422 #define _(s, n) n_policies += vec_len (spd->policies[IPSEC_SPD_POLICY_##s]);
423 foreach_ipsec_spd_policy_type
425 mp->npolicies = htonl (n_policies);
427 vl_api_send_msg (reg, (u8 *) mp);
431 vl_api_ipsec_spds_dump_t_handler (vl_api_ipsec_spds_dump_t * mp)
433 vl_api_registration_t *reg;
434 ipsec_main_t *im = &ipsec_main;
437 reg = vl_api_client_index_to_registration (mp->client_index);
442 pool_foreach (spd, im->spds, ({
443 send_ipsec_spds_details (spd, reg, mp->context);
447 clib_warning ("unimplemented");
451 vl_api_ipsec_spd_action_t
452 ipsec_spd_action_encode (ipsec_policy_action_t in)
454 vl_api_ipsec_spd_action_t out = IPSEC_API_SPD_ACTION_BYPASS;
458 #define _(v,f,s) case IPSEC_POLICY_ACTION_##f: \
459 out = IPSEC_API_SPD_ACTION_##f; \
461 foreach_ipsec_policy_action
464 return (clib_host_to_net_u32 (out));
468 send_ipsec_spd_details (ipsec_policy_t * p, vl_api_registration_t * reg,
471 vl_api_ipsec_spd_details_t *mp;
473 mp = vl_msg_api_alloc (sizeof (*mp));
474 clib_memset (mp, 0, sizeof (*mp));
475 mp->_vl_msg_id = ntohs (VL_API_IPSEC_SPD_DETAILS);
476 mp->context = context;
478 mp->entry.spd_id = htonl (p->id);
479 mp->entry.priority = htonl (p->priority);
480 mp->entry.is_outbound = ((p->type == IPSEC_SPD_POLICY_IP6_OUTBOUND) ||
481 (p->type == IPSEC_SPD_POLICY_IP4_OUTBOUND));
483 ip_address_encode (&p->laddr.start, IP46_TYPE_ANY,
484 &mp->entry.local_address_start);
485 ip_address_encode (&p->laddr.stop, IP46_TYPE_ANY,
486 &mp->entry.local_address_stop);
487 ip_address_encode (&p->raddr.start, IP46_TYPE_ANY,
488 &mp->entry.remote_address_start);
489 ip_address_encode (&p->raddr.stop, IP46_TYPE_ANY,
490 &mp->entry.remote_address_stop);
491 mp->entry.local_port_start = p->lport.start;
492 mp->entry.local_port_stop = p->lport.stop;
493 mp->entry.remote_port_start = p->rport.start;
494 mp->entry.remote_port_stop = p->rport.stop;
495 mp->entry.protocol = p->protocol;
496 mp->entry.policy = ipsec_spd_action_encode (p->policy);
497 mp->entry.sa_id = htonl (p->sa_id);
499 vl_api_send_msg (reg, (u8 *) mp);
503 vl_api_ipsec_spd_dump_t_handler (vl_api_ipsec_spd_dump_t * mp)
505 vl_api_registration_t *reg;
506 ipsec_main_t *im = &ipsec_main;
507 ipsec_spd_policy_type_t ptype;
508 ipsec_policy_t *policy;
513 reg = vl_api_client_index_to_registration (mp->client_index);
517 p = hash_get (im->spd_index_by_spd_id, ntohl (mp->spd_id));
522 spd = pool_elt_at_index (im->spds, spd_index);
525 FOR_EACH_IPSEC_SPD_POLICY_TYPE(ptype) {
526 vec_foreach(ii, spd->policies[ptype])
528 policy = pool_elt_at_index(im->policies, *ii);
530 if (mp->sa_id == ~(0) || ntohl (mp->sa_id) == policy->sa_id)
531 send_ipsec_spd_details (policy, reg, mp->context);
536 clib_warning ("unimplemented");
541 send_ipsec_spd_interface_details (vl_api_registration_t * reg, u32 spd_index,
542 u32 sw_if_index, u32 context)
544 vl_api_ipsec_spd_interface_details_t *mp;
546 mp = vl_msg_api_alloc (sizeof (*mp));
547 clib_memset (mp, 0, sizeof (*mp));
548 mp->_vl_msg_id = ntohs (VL_API_IPSEC_SPD_INTERFACE_DETAILS);
549 mp->context = context;
551 mp->spd_index = htonl (spd_index);
552 mp->sw_if_index = htonl (sw_if_index);
554 vl_api_send_msg (reg, (u8 *) mp);
558 vl_api_ipsec_spd_interface_dump_t_handler (vl_api_ipsec_spd_interface_dump_t *
561 ipsec_main_t *im = &ipsec_main;
562 vl_api_registration_t *reg;
566 reg = vl_api_client_index_to_registration (mp->client_index);
570 if (mp->spd_index_valid)
572 spd_index = ntohl (mp->spd_index);
574 hash_foreach(k, v, im->spd_index_by_sw_if_index, ({
576 send_ipsec_spd_interface_details(reg, v, k, mp->context);
583 hash_foreach(k, v, im->spd_index_by_sw_if_index, ({
584 send_ipsec_spd_interface_details(reg, v, k, mp->context);
590 clib_warning ("unimplemented");
595 vl_api_ipsec_sa_set_key_t_handler (vl_api_ipsec_sa_set_key_t * mp)
597 vlib_main_t *vm __attribute__ ((unused)) = vlib_get_main ();
598 vl_api_ipsec_sa_set_key_reply_t *rmp;
604 id = ntohl (mp->sa_id);
606 ipsec_key_decode (&mp->crypto_key, &ck);
607 ipsec_key_decode (&mp->integrity_key, &ik);
609 rv = ipsec_set_sa_key (id, &ck, &ik);
611 rv = VNET_API_ERROR_UNIMPLEMENTED;
614 REPLY_MACRO (VL_API_IPSEC_SA_SET_KEY_REPLY);
618 vl_api_ipsec_tunnel_if_add_del_t_handler (vl_api_ipsec_tunnel_if_add_del_t *
621 vl_api_ipsec_tunnel_if_add_del_reply_t *rmp;
622 ipsec_main_t *im = &ipsec_main;
623 vnet_main_t *vnm = im->vnet_main;
624 u32 sw_if_index = ~0;
629 ipsec_add_del_tunnel_args_t tun;
631 clib_memset (&tun, 0, sizeof (ipsec_add_del_tunnel_args_t));
633 tun.is_add = mp->is_add;
635 tun.anti_replay = mp->anti_replay;
636 tun.local_spi = ntohl (mp->local_spi);
637 tun.remote_spi = ntohl (mp->remote_spi);
638 tun.crypto_alg = mp->crypto_alg;
639 tun.local_crypto_key_len = mp->local_crypto_key_len;
640 tun.remote_crypto_key_len = mp->remote_crypto_key_len;
641 tun.integ_alg = mp->integ_alg;
642 tun.local_integ_key_len = mp->local_integ_key_len;
643 tun.remote_integ_key_len = mp->remote_integ_key_len;
644 tun.udp_encap = mp->udp_encap;
645 tun.tx_table_id = ntohl (mp->tx_table_id);
647 itype = ip_address_decode (&mp->local_ip, &tun.local_ip);
648 itype = ip_address_decode (&mp->remote_ip, &tun.remote_ip);
649 tun.is_ip6 = (IP46_TYPE_IP6 == itype);
650 memcpy (&tun.local_crypto_key, &mp->local_crypto_key,
651 mp->local_crypto_key_len);
652 memcpy (&tun.remote_crypto_key, &mp->remote_crypto_key,
653 mp->remote_crypto_key_len);
654 memcpy (&tun.local_integ_key, &mp->local_integ_key,
655 mp->local_integ_key_len);
656 memcpy (&tun.remote_integ_key, &mp->remote_integ_key,
657 mp->remote_integ_key_len);
658 tun.renumber = mp->renumber;
659 tun.show_instance = ntohl (mp->show_instance);
661 rv = ipsec_add_del_tunnel_if_internal (vnm, &tun, &sw_if_index);
664 rv = VNET_API_ERROR_UNIMPLEMENTED;
668 REPLY_MACRO2 (VL_API_IPSEC_TUNNEL_IF_ADD_DEL_REPLY,
670 rmp->sw_if_index = htonl (sw_if_index);
676 send_ipsec_sa_details (ipsec_sa_t * sa, vl_api_registration_t * reg,
677 u32 context, u32 sw_if_index)
679 vl_api_ipsec_sa_details_t *mp;
681 mp = vl_msg_api_alloc (sizeof (*mp));
682 clib_memset (mp, 0, sizeof (*mp));
683 mp->_vl_msg_id = ntohs (VL_API_IPSEC_SA_DETAILS);
684 mp->context = context;
686 mp->entry.sad_id = htonl (sa->id);
687 mp->entry.spi = htonl (sa->spi);
688 mp->entry.protocol = ipsec_proto_encode (sa->protocol);
689 mp->entry.tx_table_id =
690 htonl (fib_table_get_table_id (sa->tx_fib_index, FIB_PROTOCOL_IP4));
692 mp->entry.crypto_algorithm = ipsec_crypto_algo_encode (sa->crypto_alg);
693 ipsec_key_encode (&sa->crypto_key, &mp->entry.crypto_key);
695 mp->entry.integrity_algorithm = ipsec_integ_algo_encode (sa->integ_alg);
696 ipsec_key_encode (&sa->integ_key, &mp->entry.integrity_key);
698 mp->entry.flags = ipsec_sad_flags_encode (sa);
700 if (ipsec_sa_is_set_IS_TUNNEL (sa))
702 ip_address_encode (&sa->tunnel_src_addr, IP46_TYPE_ANY,
703 &mp->entry.tunnel_src);
704 ip_address_encode (&sa->tunnel_dst_addr, IP46_TYPE_ANY,
705 &mp->entry.tunnel_dst);
708 mp->sw_if_index = htonl (sw_if_index);
709 mp->salt = clib_host_to_net_u32 (sa->salt);
710 mp->seq_outbound = clib_host_to_net_u64 (((u64) sa->seq));
711 mp->last_seq_inbound = clib_host_to_net_u64 (((u64) sa->last_seq));
712 if (ipsec_sa_is_set_USE_ESN (sa))
714 mp->seq_outbound |= (u64) (clib_host_to_net_u32 (sa->seq_hi));
715 mp->last_seq_inbound |= (u64) (clib_host_to_net_u32 (sa->last_seq_hi));
717 if (ipsec_sa_is_set_USE_ANTI_REPLAY (sa))
718 mp->replay_window = clib_host_to_net_u64 (sa->replay_window);
720 vl_api_send_msg (reg, (u8 *) mp);
725 vl_api_ipsec_sa_dump_t_handler (vl_api_ipsec_sa_dump_t * mp)
727 vl_api_registration_t *reg;
728 ipsec_main_t *im = &ipsec_main;
729 vnet_main_t *vnm = im->vnet_main;
731 ipsec_tunnel_if_t *t;
732 u32 *sa_index_to_tun_if_index = 0;
735 reg = vl_api_client_index_to_registration (mp->client_index);
736 if (!reg || pool_elts (im->sad) == 0)
739 vec_validate_init_empty (sa_index_to_tun_if_index, vec_len (im->sad) - 1,
743 pool_foreach (t, im->tunnel_interfaces,
745 vnet_hw_interface_t *hi;
746 u32 sw_if_index = ~0;
748 hi = vnet_get_hw_interface (vnm, t->hw_if_index);
749 sw_if_index = hi->sw_if_index;
750 sa_index_to_tun_if_index[t->input_sa_index] = sw_if_index;
751 sa_index_to_tun_if_index[t->output_sa_index] = sw_if_index;
754 pool_foreach (sa, im->sad,
756 if (mp->sa_id == ~(0) || ntohl (mp->sa_id) == sa->id)
757 send_ipsec_sa_details (sa, reg, mp->context,
758 sa_index_to_tun_if_index[sa - im->sad]);
762 vec_free (sa_index_to_tun_if_index);
764 clib_warning ("unimplemented");
770 vl_api_ipsec_tunnel_if_set_key_t_handler (vl_api_ipsec_tunnel_if_set_key_t *
773 vl_api_ipsec_tunnel_if_set_key_reply_t *rmp;
774 ipsec_main_t *im = &ipsec_main;
775 vnet_main_t *vnm = im->vnet_main;
776 vnet_sw_interface_t *sw;
781 sw = vnet_get_sw_interface (vnm, ntohl (mp->sw_if_index));
783 switch (mp->key_type)
785 case IPSEC_IF_SET_KEY_TYPE_LOCAL_CRYPTO:
786 case IPSEC_IF_SET_KEY_TYPE_REMOTE_CRYPTO:
787 if (mp->alg < IPSEC_CRYPTO_ALG_AES_CBC_128 ||
788 mp->alg >= IPSEC_CRYPTO_N_ALG)
790 rv = VNET_API_ERROR_INVALID_ALGORITHM;
794 case IPSEC_IF_SET_KEY_TYPE_LOCAL_INTEG:
795 case IPSEC_IF_SET_KEY_TYPE_REMOTE_INTEG:
796 if (mp->alg >= IPSEC_INTEG_N_ALG)
798 rv = VNET_API_ERROR_INVALID_ALGORITHM;
802 case IPSEC_IF_SET_KEY_TYPE_NONE:
804 rv = VNET_API_ERROR_UNIMPLEMENTED;
809 key = vec_new (u8, mp->key_len);
810 clib_memcpy (key, mp->key, mp->key_len);
812 rv = ipsec_set_interface_key (vnm, sw->hw_if_index, mp->key_type, mp->alg,
816 clib_warning ("unimplemented");
820 REPLY_MACRO (VL_API_IPSEC_TUNNEL_IF_SET_KEY_REPLY);
825 vl_api_ipsec_tunnel_if_set_sa_t_handler (vl_api_ipsec_tunnel_if_set_sa_t * mp)
827 vl_api_ipsec_tunnel_if_set_sa_reply_t *rmp;
828 ipsec_main_t *im = &ipsec_main;
829 vnet_main_t *vnm = im->vnet_main;
830 vnet_sw_interface_t *sw;
834 sw = vnet_get_sw_interface (vnm, ntohl (mp->sw_if_index));
836 rv = ipsec_set_interface_sa (vnm, sw->hw_if_index, ntohl (mp->sa_id),
839 clib_warning ("unimplemented");
842 REPLY_MACRO (VL_API_IPSEC_TUNNEL_IF_SET_SA_REPLY);
846 vl_api_ipsec_backend_dump_t_handler (vl_api_ipsec_backend_dump_t * mp)
848 vl_api_registration_t *rp;
849 ipsec_main_t *im = &ipsec_main;
850 u32 context = mp->context;
852 rp = vl_api_client_index_to_registration (mp->client_index);
856 clib_warning ("Client %d AWOL", mp->client_index);
860 ipsec_ah_backend_t *ab;
861 ipsec_esp_backend_t *eb;
863 pool_foreach (ab, im->ah_backends, {
864 vl_api_ipsec_backend_details_t *mp = vl_msg_api_alloc (sizeof (*mp));
865 clib_memset (mp, 0, sizeof (*mp));
866 mp->_vl_msg_id = ntohs (VL_API_IPSEC_BACKEND_DETAILS);
867 mp->context = context;
868 snprintf ((char *)mp->name, sizeof (mp->name), "%.*s", vec_len (ab->name),
870 mp->protocol = ntohl (IPSEC_API_PROTO_AH);
871 mp->index = ab - im->ah_backends;
872 mp->active = mp->index == im->ah_current_backend ? 1 : 0;
873 vl_api_send_msg (rp, (u8 *)mp);
875 pool_foreach (eb, im->esp_backends, {
876 vl_api_ipsec_backend_details_t *mp = vl_msg_api_alloc (sizeof (*mp));
877 clib_memset (mp, 0, sizeof (*mp));
878 mp->_vl_msg_id = ntohs (VL_API_IPSEC_BACKEND_DETAILS);
879 mp->context = context;
880 snprintf ((char *)mp->name, sizeof (mp->name), "%.*s", vec_len (eb->name),
882 mp->protocol = ntohl (IPSEC_API_PROTO_ESP);
883 mp->index = eb - im->esp_backends;
884 mp->active = mp->index == im->esp_current_backend ? 1 : 0;
885 vl_api_send_msg (rp, (u8 *)mp);
891 vl_api_ipsec_select_backend_t_handler (vl_api_ipsec_select_backend_t * mp)
893 ipsec_main_t *im = &ipsec_main;
894 vl_api_ipsec_select_backend_reply_t *rmp;
895 ipsec_protocol_t protocol;
897 if (pool_elts (im->sad) > 0)
899 rv = VNET_API_ERROR_INSTANCE_IN_USE;
903 rv = ipsec_proto_decode (mp->protocol, &protocol);
911 case IPSEC_PROTOCOL_ESP:
912 rv = ipsec_select_esp_backend (im, mp->index);
914 case IPSEC_PROTOCOL_AH:
915 rv = ipsec_select_ah_backend (im, mp->index);
918 rv = VNET_API_ERROR_INVALID_PROTOCOL;
922 clib_warning ("unimplemented"); /* FIXME */
925 REPLY_MACRO (VL_API_IPSEC_SELECT_BACKEND_REPLY);
930 * Add vpe's API message handlers to the table.
931 * vlib has already mapped shared memory and
932 * added the client registration handlers.
933 * See .../vlib-api/vlibmemory/memclnt_vlib.c:memclnt_process()
935 #define vl_msg_name_crc_list
936 #include <vnet/vnet_all_api_h.h>
937 #undef vl_msg_name_crc_list
940 setup_message_id_table (api_main_t * am)
942 #define _(id,n,crc) vl_msg_api_add_msg_name_crc (am, #n "_" #crc, id);
943 foreach_vl_msg_name_crc_ipsec;
947 static clib_error_t *
948 ipsec_api_hookup (vlib_main_t * vm)
950 api_main_t *am = &api_main;
953 vl_msg_api_set_handlers(VL_API_##N, #n, \
954 vl_api_##n##_t_handler, \
956 vl_api_##n##_t_endian, \
957 vl_api_##n##_t_print, \
958 sizeof(vl_api_##n##_t), 1);
963 * Set up the (msg_name, crc, message-id) table
965 setup_message_id_table (am);
970 VLIB_API_INIT_FUNCTION (ipsec_api_hookup);
973 * fd.io coding-style-patch-verification: ON
976 * eval: (c-set-style "gnu")