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 #define _(v,f,s) if (in & IPSEC_API_SAD_FLAG_##f) \
312 flags |= IPSEC_SA_FLAG_##f;
313 foreach_ipsec_sa_flags
318 static vl_api_ipsec_sad_flags_t
319 ipsec_sad_flags_encode (const ipsec_sa_t * sa)
321 vl_api_ipsec_sad_flags_t flags = IPSEC_API_SAD_FLAG_NONE;
323 if (ipsec_sa_is_set_USE_EXTENDED_SEQ_NUM (sa))
324 flags |= IPSEC_API_SAD_FLAG_USE_EXTENDED_SEQ_NUM;
325 if (ipsec_sa_is_set_USE_ANTI_REPLAY (sa))
326 flags |= IPSEC_API_SAD_FLAG_USE_ANTI_REPLAY;
327 if (ipsec_sa_is_set_IS_TUNNEL (sa))
328 flags |= IPSEC_API_SAD_FLAG_IS_TUNNEL;
329 if (ipsec_sa_is_set_IS_TUNNEL_V6 (sa))
330 flags |= IPSEC_API_SAD_FLAG_IS_TUNNEL_V6;
331 if (ipsec_sa_is_set_UDP_ENCAP (sa))
332 flags |= IPSEC_API_SAD_FLAG_UDP_ENCAP;
334 return clib_host_to_net_u32 (flags);
337 static void vl_api_ipsec_sad_entry_add_del_t_handler
338 (vl_api_ipsec_sad_entry_add_del_t * mp)
340 vlib_main_t *vm __attribute__ ((unused)) = vlib_get_main ();
341 vl_api_ipsec_sad_entry_add_del_reply_t *rmp;
342 ip46_address_t tun_src = { }, tun_dst =
345 ipsec_key_t crypto_key, integ_key;
346 ipsec_crypto_alg_t crypto_alg;
347 ipsec_integ_alg_t integ_alg;
348 ipsec_protocol_t proto;
349 ipsec_sa_flags_t flags;
350 u32 id, spi, sa_index = ~0;
355 id = ntohl (mp->entry.sad_id);
356 spi = ntohl (mp->entry.spi);
358 rv = ipsec_proto_decode (mp->entry.protocol, &proto);
363 rv = ipsec_crypto_algo_decode (mp->entry.crypto_algorithm, &crypto_alg);
368 rv = ipsec_integ_algo_decode (mp->entry.integrity_algorithm, &integ_alg);
373 ipsec_key_decode (&mp->entry.crypto_key, &crypto_key);
374 ipsec_key_decode (&mp->entry.integrity_key, &integ_key);
376 flags = ipsec_sa_flags_decode (mp->entry.flags);
378 ip_address_decode (&mp->entry.tunnel_src, &tun_src);
379 ip_address_decode (&mp->entry.tunnel_dst, &tun_dst);
383 rv = ipsec_sa_add (id, spi, proto,
384 crypto_alg, &crypto_key,
385 integ_alg, &integ_key, flags,
386 0, &tun_src, &tun_dst, &sa_index);
388 rv = ipsec_sa_del (id);
391 rv = VNET_API_ERROR_UNIMPLEMENTED;
396 REPLY_MACRO2 (VL_API_IPSEC_SAD_ENTRY_ADD_DEL_REPLY,
398 rmp->stat_index = htonl (sa_index);
404 send_ipsec_spds_details (ipsec_spd_t * spd, vl_api_registration_t * reg,
407 vl_api_ipsec_spds_details_t *mp;
410 mp = vl_msg_api_alloc (sizeof (*mp));
411 clib_memset (mp, 0, sizeof (*mp));
412 mp->_vl_msg_id = ntohs (VL_API_IPSEC_SPDS_DETAILS);
413 mp->context = context;
415 mp->spd_id = htonl (spd->id);
416 #define _(s, n) n_policies += vec_len (spd->policies[IPSEC_SPD_POLICY_##s]);
417 foreach_ipsec_spd_policy_type
419 mp->npolicies = htonl (n_policies);
421 vl_api_send_msg (reg, (u8 *) mp);
425 vl_api_ipsec_spds_dump_t_handler (vl_api_ipsec_spds_dump_t * mp)
427 vl_api_registration_t *reg;
428 ipsec_main_t *im = &ipsec_main;
431 reg = vl_api_client_index_to_registration (mp->client_index);
436 pool_foreach (spd, im->spds, ({
437 send_ipsec_spds_details (spd, reg, mp->context);
441 clib_warning ("unimplemented");
445 vl_api_ipsec_spd_action_t
446 ipsec_spd_action_encode (ipsec_policy_action_t in)
448 vl_api_ipsec_spd_action_t out = IPSEC_API_SPD_ACTION_BYPASS;
452 #define _(v,f,s) case IPSEC_POLICY_ACTION_##f: \
453 out = IPSEC_API_SPD_ACTION_##f; \
455 foreach_ipsec_policy_action
458 return (clib_host_to_net_u32 (out));
462 send_ipsec_spd_details (ipsec_policy_t * p, vl_api_registration_t * reg,
465 vl_api_ipsec_spd_details_t *mp;
467 mp = vl_msg_api_alloc (sizeof (*mp));
468 clib_memset (mp, 0, sizeof (*mp));
469 mp->_vl_msg_id = ntohs (VL_API_IPSEC_SPD_DETAILS);
470 mp->context = context;
472 mp->entry.spd_id = htonl (p->id);
473 mp->entry.priority = htonl (p->priority);
474 mp->entry.is_outbound = ((p->type == IPSEC_SPD_POLICY_IP6_OUTBOUND) ||
475 (p->type == IPSEC_SPD_POLICY_IP4_OUTBOUND));
477 ip_address_encode (&p->laddr.start, IP46_TYPE_ANY,
478 &mp->entry.local_address_start);
479 ip_address_encode (&p->laddr.stop, IP46_TYPE_ANY,
480 &mp->entry.local_address_stop);
481 ip_address_encode (&p->raddr.start, IP46_TYPE_ANY,
482 &mp->entry.remote_address_start);
483 ip_address_encode (&p->raddr.stop, IP46_TYPE_ANY,
484 &mp->entry.remote_address_stop);
485 mp->entry.local_port_start = p->lport.start;
486 mp->entry.local_port_stop = p->lport.stop;
487 mp->entry.remote_port_start = p->rport.start;
488 mp->entry.remote_port_stop = p->rport.stop;
489 mp->entry.protocol = p->protocol;
490 mp->entry.policy = ipsec_spd_action_encode (p->policy);
491 mp->entry.sa_id = htonl (p->sa_id);
493 vl_api_send_msg (reg, (u8 *) mp);
497 vl_api_ipsec_spd_dump_t_handler (vl_api_ipsec_spd_dump_t * mp)
499 vl_api_registration_t *reg;
500 ipsec_main_t *im = &ipsec_main;
501 ipsec_spd_policy_type_t ptype;
502 ipsec_policy_t *policy;
507 reg = vl_api_client_index_to_registration (mp->client_index);
511 p = hash_get (im->spd_index_by_spd_id, ntohl (mp->spd_id));
516 spd = pool_elt_at_index (im->spds, spd_index);
519 FOR_EACH_IPSEC_SPD_POLICY_TYPE(ptype) {
520 vec_foreach(ii, spd->policies[ptype])
522 policy = pool_elt_at_index(im->policies, *ii);
524 if (mp->sa_id == ~(0) || ntohl (mp->sa_id) == policy->sa_id)
525 send_ipsec_spd_details (policy, reg, mp->context);
530 clib_warning ("unimplemented");
535 send_ipsec_spd_interface_details (vl_api_registration_t * reg, u32 spd_index,
536 u32 sw_if_index, u32 context)
538 vl_api_ipsec_spd_interface_details_t *mp;
540 mp = vl_msg_api_alloc (sizeof (*mp));
541 clib_memset (mp, 0, sizeof (*mp));
542 mp->_vl_msg_id = ntohs (VL_API_IPSEC_SPD_INTERFACE_DETAILS);
543 mp->context = context;
545 mp->spd_index = htonl (spd_index);
546 mp->sw_if_index = htonl (sw_if_index);
548 vl_api_send_msg (reg, (u8 *) mp);
552 vl_api_ipsec_spd_interface_dump_t_handler (vl_api_ipsec_spd_interface_dump_t *
555 ipsec_main_t *im = &ipsec_main;
556 vl_api_registration_t *reg;
560 reg = vl_api_client_index_to_registration (mp->client_index);
564 if (mp->spd_index_valid)
566 spd_index = ntohl (mp->spd_index);
568 hash_foreach(k, v, im->spd_index_by_sw_if_index, ({
570 send_ipsec_spd_interface_details(reg, v, k, mp->context);
577 hash_foreach(k, v, im->spd_index_by_sw_if_index, ({
578 send_ipsec_spd_interface_details(reg, v, k, mp->context);
584 clib_warning ("unimplemented");
589 vl_api_ipsec_sa_set_key_t_handler (vl_api_ipsec_sa_set_key_t * mp)
591 vlib_main_t *vm __attribute__ ((unused)) = vlib_get_main ();
592 vl_api_ipsec_sa_set_key_reply_t *rmp;
598 id = ntohl (mp->sa_id);
600 ipsec_key_decode (&mp->crypto_key, &ck);
601 ipsec_key_decode (&mp->integrity_key, &ik);
603 rv = ipsec_set_sa_key (id, &ck, &ik);
605 rv = VNET_API_ERROR_UNIMPLEMENTED;
608 REPLY_MACRO (VL_API_IPSEC_SA_SET_KEY_REPLY);
612 vl_api_ipsec_tunnel_if_add_del_t_handler (vl_api_ipsec_tunnel_if_add_del_t *
615 vl_api_ipsec_tunnel_if_add_del_reply_t *rmp;
616 ipsec_main_t *im = &ipsec_main;
617 vnet_main_t *vnm = im->vnet_main;
618 u32 sw_if_index = ~0;
623 ipsec_add_del_tunnel_args_t tun;
625 clib_memset (&tun, 0, sizeof (ipsec_add_del_tunnel_args_t));
627 tun.is_add = mp->is_add;
629 tun.anti_replay = mp->anti_replay;
630 tun.local_spi = ntohl (mp->local_spi);
631 tun.remote_spi = ntohl (mp->remote_spi);
632 tun.crypto_alg = mp->crypto_alg;
633 tun.local_crypto_key_len = mp->local_crypto_key_len;
634 tun.remote_crypto_key_len = mp->remote_crypto_key_len;
635 tun.integ_alg = mp->integ_alg;
636 tun.local_integ_key_len = mp->local_integ_key_len;
637 tun.remote_integ_key_len = mp->remote_integ_key_len;
638 tun.udp_encap = mp->udp_encap;
639 tun.tx_table_id = ntohl (mp->tx_table_id);
640 itype = ip_address_decode (&mp->local_ip, &tun.local_ip);
641 itype = ip_address_decode (&mp->remote_ip, &tun.remote_ip);
642 tun.is_ip6 = (IP46_TYPE_IP6 == itype);
643 memcpy (&tun.local_crypto_key, &mp->local_crypto_key,
644 mp->local_crypto_key_len);
645 memcpy (&tun.remote_crypto_key, &mp->remote_crypto_key,
646 mp->remote_crypto_key_len);
647 memcpy (&tun.local_integ_key, &mp->local_integ_key,
648 mp->local_integ_key_len);
649 memcpy (&tun.remote_integ_key, &mp->remote_integ_key,
650 mp->remote_integ_key_len);
651 tun.renumber = mp->renumber;
652 tun.show_instance = ntohl (mp->show_instance);
654 rv = ipsec_add_del_tunnel_if_internal (vnm, &tun, &sw_if_index);
657 rv = VNET_API_ERROR_UNIMPLEMENTED;
661 REPLY_MACRO2 (VL_API_IPSEC_TUNNEL_IF_ADD_DEL_REPLY,
663 rmp->sw_if_index = htonl (sw_if_index);
669 send_ipsec_sa_details (ipsec_sa_t * sa, vl_api_registration_t * reg,
670 u32 context, u32 sw_if_index)
672 vl_api_ipsec_sa_details_t *mp;
674 mp = vl_msg_api_alloc (sizeof (*mp));
675 clib_memset (mp, 0, sizeof (*mp));
676 mp->_vl_msg_id = ntohs (VL_API_IPSEC_SA_DETAILS);
677 mp->context = context;
679 mp->entry.sad_id = htonl (sa->id);
680 mp->entry.spi = htonl (sa->spi);
681 mp->entry.protocol = ipsec_proto_encode (sa->protocol);
682 mp->entry.tx_table_id =
683 htonl (fib_table_get_table_id (sa->tx_fib_index, FIB_PROTOCOL_IP4));
685 mp->entry.crypto_algorithm = ipsec_crypto_algo_encode (sa->crypto_alg);
686 ipsec_key_encode (&sa->crypto_key, &mp->entry.crypto_key);
688 mp->entry.integrity_algorithm = ipsec_integ_algo_encode (sa->integ_alg);
689 ipsec_key_encode (&sa->integ_key, &mp->entry.integrity_key);
691 mp->entry.flags = ipsec_sad_flags_encode (sa);
693 if (ipsec_sa_is_set_IS_TUNNEL (sa))
695 ip_address_encode (&sa->tunnel_src_addr, IP46_TYPE_ANY,
696 &mp->entry.tunnel_src);
697 ip_address_encode (&sa->tunnel_dst_addr, IP46_TYPE_ANY,
698 &mp->entry.tunnel_dst);
701 mp->sw_if_index = htonl (sw_if_index);
702 mp->salt = clib_host_to_net_u32 (sa->salt);
703 mp->seq_outbound = clib_host_to_net_u64 (((u64) sa->seq));
704 mp->last_seq_inbound = clib_host_to_net_u64 (((u64) sa->last_seq));
705 if (ipsec_sa_is_set_USE_EXTENDED_SEQ_NUM (sa))
707 mp->seq_outbound |= (u64) (clib_host_to_net_u32 (sa->seq_hi));
708 mp->last_seq_inbound |= (u64) (clib_host_to_net_u32 (sa->last_seq_hi));
710 if (ipsec_sa_is_set_USE_ANTI_REPLAY (sa))
711 mp->replay_window = clib_host_to_net_u64 (sa->replay_window);
713 vl_api_send_msg (reg, (u8 *) mp);
718 vl_api_ipsec_sa_dump_t_handler (vl_api_ipsec_sa_dump_t * mp)
720 vl_api_registration_t *reg;
721 ipsec_main_t *im = &ipsec_main;
722 vnet_main_t *vnm = im->vnet_main;
724 ipsec_tunnel_if_t *t;
725 u32 *sa_index_to_tun_if_index = 0;
728 reg = vl_api_client_index_to_registration (mp->client_index);
729 if (!reg || pool_elts (im->sad) == 0)
732 vec_validate_init_empty (sa_index_to_tun_if_index, vec_len (im->sad) - 1,
736 pool_foreach (t, im->tunnel_interfaces,
738 vnet_hw_interface_t *hi;
739 u32 sw_if_index = ~0;
741 hi = vnet_get_hw_interface (vnm, t->hw_if_index);
742 sw_if_index = hi->sw_if_index;
743 sa_index_to_tun_if_index[t->input_sa_index] = sw_if_index;
744 sa_index_to_tun_if_index[t->output_sa_index] = sw_if_index;
747 pool_foreach (sa, im->sad,
749 if (mp->sa_id == ~(0) || ntohl (mp->sa_id) == sa->id)
750 send_ipsec_sa_details (sa, reg, mp->context,
751 sa_index_to_tun_if_index[sa - im->sad]);
755 vec_free (sa_index_to_tun_if_index);
757 clib_warning ("unimplemented");
763 vl_api_ipsec_tunnel_if_set_key_t_handler (vl_api_ipsec_tunnel_if_set_key_t *
766 vl_api_ipsec_tunnel_if_set_key_reply_t *rmp;
767 ipsec_main_t *im = &ipsec_main;
768 vnet_main_t *vnm = im->vnet_main;
769 vnet_sw_interface_t *sw;
774 sw = vnet_get_sw_interface (vnm, ntohl (mp->sw_if_index));
776 switch (mp->key_type)
778 case IPSEC_IF_SET_KEY_TYPE_LOCAL_CRYPTO:
779 case IPSEC_IF_SET_KEY_TYPE_REMOTE_CRYPTO:
780 if (mp->alg < IPSEC_CRYPTO_ALG_AES_CBC_128 ||
781 mp->alg >= IPSEC_CRYPTO_N_ALG)
783 rv = VNET_API_ERROR_INVALID_ALGORITHM;
787 case IPSEC_IF_SET_KEY_TYPE_LOCAL_INTEG:
788 case IPSEC_IF_SET_KEY_TYPE_REMOTE_INTEG:
789 if (mp->alg >= IPSEC_INTEG_N_ALG)
791 rv = VNET_API_ERROR_INVALID_ALGORITHM;
795 case IPSEC_IF_SET_KEY_TYPE_NONE:
797 rv = VNET_API_ERROR_UNIMPLEMENTED;
802 key = vec_new (u8, mp->key_len);
803 clib_memcpy (key, mp->key, mp->key_len);
805 rv = ipsec_set_interface_key (vnm, sw->hw_if_index, mp->key_type, mp->alg,
809 clib_warning ("unimplemented");
813 REPLY_MACRO (VL_API_IPSEC_TUNNEL_IF_SET_KEY_REPLY);
818 vl_api_ipsec_tunnel_if_set_sa_t_handler (vl_api_ipsec_tunnel_if_set_sa_t * mp)
820 vl_api_ipsec_tunnel_if_set_sa_reply_t *rmp;
821 ipsec_main_t *im = &ipsec_main;
822 vnet_main_t *vnm = im->vnet_main;
823 vnet_sw_interface_t *sw;
827 sw = vnet_get_sw_interface (vnm, ntohl (mp->sw_if_index));
829 rv = ipsec_set_interface_sa (vnm, sw->hw_if_index, ntohl (mp->sa_id),
832 clib_warning ("unimplemented");
835 REPLY_MACRO (VL_API_IPSEC_TUNNEL_IF_SET_SA_REPLY);
839 vl_api_ipsec_backend_dump_t_handler (vl_api_ipsec_backend_dump_t * mp)
841 vl_api_registration_t *rp;
842 ipsec_main_t *im = &ipsec_main;
843 u32 context = mp->context;
845 rp = vl_api_client_index_to_registration (mp->client_index);
849 clib_warning ("Client %d AWOL", mp->client_index);
853 ipsec_ah_backend_t *ab;
854 ipsec_esp_backend_t *eb;
856 pool_foreach (ab, im->ah_backends, {
857 vl_api_ipsec_backend_details_t *mp = vl_msg_api_alloc (sizeof (*mp));
858 clib_memset (mp, 0, sizeof (*mp));
859 mp->_vl_msg_id = ntohs (VL_API_IPSEC_BACKEND_DETAILS);
860 mp->context = context;
861 snprintf ((char *)mp->name, sizeof (mp->name), "%.*s", vec_len (ab->name),
863 mp->protocol = ntohl (IPSEC_API_PROTO_AH);
864 mp->index = ab - im->ah_backends;
865 mp->active = mp->index == im->ah_current_backend ? 1 : 0;
866 vl_api_send_msg (rp, (u8 *)mp);
868 pool_foreach (eb, im->esp_backends, {
869 vl_api_ipsec_backend_details_t *mp = vl_msg_api_alloc (sizeof (*mp));
870 clib_memset (mp, 0, sizeof (*mp));
871 mp->_vl_msg_id = ntohs (VL_API_IPSEC_BACKEND_DETAILS);
872 mp->context = context;
873 snprintf ((char *)mp->name, sizeof (mp->name), "%.*s", vec_len (eb->name),
875 mp->protocol = ntohl (IPSEC_API_PROTO_ESP);
876 mp->index = eb - im->esp_backends;
877 mp->active = mp->index == im->esp_current_backend ? 1 : 0;
878 vl_api_send_msg (rp, (u8 *)mp);
884 vl_api_ipsec_select_backend_t_handler (vl_api_ipsec_select_backend_t * mp)
886 ipsec_main_t *im = &ipsec_main;
887 vl_api_ipsec_select_backend_reply_t *rmp;
888 ipsec_protocol_t protocol;
890 if (pool_elts (im->sad) > 0)
892 rv = VNET_API_ERROR_INSTANCE_IN_USE;
896 rv = ipsec_proto_decode (mp->protocol, &protocol);
904 case IPSEC_PROTOCOL_ESP:
905 if (pool_is_free_index (im->esp_backends, mp->index))
907 rv = VNET_API_ERROR_INVALID_VALUE;
910 ipsec_select_esp_backend (im, mp->index);
912 case IPSEC_PROTOCOL_AH:
913 if (pool_is_free_index (im->ah_backends, mp->index))
915 rv = VNET_API_ERROR_INVALID_VALUE;
918 ipsec_select_ah_backend (im, mp->index);
921 rv = VNET_API_ERROR_INVALID_VALUE;
925 clib_warning ("unimplemented"); /* FIXME */
928 REPLY_MACRO (VL_API_IPSEC_SELECT_BACKEND_REPLY);
933 * Add vpe's API message handlers to the table.
934 * vlib has already mapped shared memory and
935 * added the client registration handlers.
936 * See .../vlib-api/vlibmemory/memclnt_vlib.c:memclnt_process()
938 #define vl_msg_name_crc_list
939 #include <vnet/vnet_all_api_h.h>
940 #undef vl_msg_name_crc_list
943 setup_message_id_table (api_main_t * am)
945 #define _(id,n,crc) vl_msg_api_add_msg_name_crc (am, #n "_" #crc, id);
946 foreach_vl_msg_name_crc_ipsec;
950 static clib_error_t *
951 ipsec_api_hookup (vlib_main_t * vm)
953 api_main_t *am = &api_main;
956 vl_msg_api_set_handlers(VL_API_##N, #n, \
957 vl_api_##n##_t_handler, \
959 vl_api_##n##_t_endian, \
960 vl_api_##n##_t_print, \
961 sizeof(vl_api_##n##_t), 1);
966 * Set up the (msg_name, crc, message-id) table
968 setup_message_id_table (am);
973 VLIB_API_INIT_FUNCTION (ipsec_api_hookup);
976 * fd.io coding-style-patch-verification: ON
979 * eval: (c-set-style "gnu")