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 p.rport.start = ntohs (mp->entry.remote_port_start);
154 p.rport.stop = ntohs (mp->entry.remote_port_stop);
155 p.lport.start = ntohs (mp->entry.local_port_start);
156 p.lport.stop = ntohs (mp->entry.local_port_stop);
158 rv = ipsec_spd_action_decode (mp->entry.policy, &p.policy);
163 /* policy action resolve unsupported */
164 if (p.policy == IPSEC_POLICY_ACTION_RESOLVE)
166 clib_warning ("unsupported action: 'resolve'");
167 rv = VNET_API_ERROR_UNIMPLEMENTED;
170 p.sa_id = ntohl (mp->entry.sa_id);
172 ipsec_policy_mk_type (mp->entry.is_outbound, p.is_ipv6, p.policy,
177 rv = ipsec_add_del_policy (vm, &p, mp->is_add, &stat_index);
182 rv = VNET_API_ERROR_UNIMPLEMENTED;
188 REPLY_MACRO2 (VL_API_IPSEC_SPD_ENTRY_ADD_DEL_REPLY,
190 rmp->stat_index = ntohl(stat_index);
196 ipsec_proto_decode (vl_api_ipsec_proto_t in, ipsec_protocol_t * out)
198 in = clib_net_to_host_u32 (in);
202 case IPSEC_API_PROTO_ESP:
203 *out = IPSEC_PROTOCOL_ESP;
205 case IPSEC_API_PROTO_AH:
206 *out = IPSEC_PROTOCOL_AH;
209 return (VNET_API_ERROR_UNIMPLEMENTED);
212 static vl_api_ipsec_proto_t
213 ipsec_proto_encode (ipsec_protocol_t p)
217 case IPSEC_PROTOCOL_ESP:
218 return clib_host_to_net_u32 (IPSEC_API_PROTO_ESP);
219 case IPSEC_PROTOCOL_AH:
220 return clib_host_to_net_u32 (IPSEC_API_PROTO_AH);
222 return (VNET_API_ERROR_UNIMPLEMENTED);
226 ipsec_crypto_algo_decode (vl_api_ipsec_crypto_alg_t in,
227 ipsec_crypto_alg_t * out)
229 in = clib_net_to_host_u32 (in);
233 #define _(v,f,s) case IPSEC_API_CRYPTO_ALG_##f: \
234 *out = IPSEC_CRYPTO_ALG_##f; \
236 foreach_ipsec_crypto_alg
239 return (VNET_API_ERROR_UNIMPLEMENTED);
242 static vl_api_ipsec_crypto_alg_t
243 ipsec_crypto_algo_encode (ipsec_crypto_alg_t c)
247 #define _(v,f,s) case IPSEC_CRYPTO_ALG_##f: \
248 return clib_host_to_net_u32(IPSEC_API_CRYPTO_ALG_##f);
249 foreach_ipsec_crypto_alg
251 case IPSEC_CRYPTO_N_ALG:
255 return (VNET_API_ERROR_UNIMPLEMENTED);
260 ipsec_integ_algo_decode (vl_api_ipsec_integ_alg_t in, ipsec_integ_alg_t * out)
262 in = clib_net_to_host_u32 (in);
266 #define _(v,f,s) case IPSEC_API_INTEG_ALG_##f: \
267 *out = IPSEC_INTEG_ALG_##f; \
269 foreach_ipsec_integ_alg
272 return (VNET_API_ERROR_UNIMPLEMENTED);
275 static vl_api_ipsec_integ_alg_t
276 ipsec_integ_algo_encode (ipsec_integ_alg_t i)
280 #define _(v,f,s) case IPSEC_INTEG_ALG_##f: \
281 return (clib_host_to_net_u32(IPSEC_API_INTEG_ALG_##f));
282 foreach_ipsec_integ_alg
284 case IPSEC_INTEG_N_ALG:
288 return (VNET_API_ERROR_UNIMPLEMENTED);
292 ipsec_key_decode (const vl_api_key_t * key, ipsec_key_t * out)
294 ipsec_mk_key (out, key->data, key->length);
298 ipsec_key_encode (const ipsec_key_t * in, vl_api_key_t * out)
300 out->length = in->len;
301 clib_memcpy (out->data, in->data, out->length);
304 static ipsec_sa_flags_t
305 ipsec_sa_flags_decode (vl_api_ipsec_sad_flags_t in)
307 ipsec_sa_flags_t flags = IPSEC_SA_FLAG_NONE;
308 in = clib_net_to_host_u32 (in);
310 #define _(v,f,s) if (in & IPSEC_API_SAD_FLAG_##f) \
311 flags |= IPSEC_SA_FLAG_##f;
312 foreach_ipsec_sa_flags
317 static vl_api_ipsec_sad_flags_t
318 ipsec_sad_flags_encode (const ipsec_sa_t * sa)
320 vl_api_ipsec_sad_flags_t flags = IPSEC_API_SAD_FLAG_NONE;
323 flags |= IPSEC_API_SAD_FLAG_USE_EXTENDED_SEQ_NUM;
324 if (sa->use_anti_replay)
325 flags |= IPSEC_API_SAD_FLAG_USE_ANTI_REPLAY;
327 flags |= IPSEC_API_SAD_FLAG_IS_TUNNEL;
328 if (sa->is_tunnel_ip6)
329 flags |= IPSEC_API_SAD_FLAG_IS_TUNNEL_V6;
331 flags |= IPSEC_API_SAD_FLAG_UDP_ENCAP;
333 return clib_host_to_net_u32 (flags);
336 static void vl_api_ipsec_sad_entry_add_del_t_handler
337 (vl_api_ipsec_sad_entry_add_del_t * mp)
339 vlib_main_t *vm __attribute__ ((unused)) = vlib_get_main ();
340 vl_api_ipsec_sad_entry_add_del_reply_t *rmp;
341 ip46_address_t tun_src = { }, tun_dst =
344 ipsec_key_t crypto_key, integ_key;
345 ipsec_crypto_alg_t crypto_alg;
346 ipsec_integ_alg_t integ_alg;
347 ipsec_protocol_t proto;
348 ipsec_sa_flags_t flags;
349 u32 id, spi, sa_index = ~0;
354 id = ntohl (mp->entry.sad_id);
355 spi = ntohl (mp->entry.spi);
357 rv = ipsec_proto_decode (mp->entry.protocol, &proto);
362 rv = ipsec_crypto_algo_decode (mp->entry.crypto_algorithm, &crypto_alg);
367 rv = ipsec_integ_algo_decode (mp->entry.integrity_algorithm, &integ_alg);
372 ipsec_key_decode (&mp->entry.crypto_key, &crypto_key);
373 ipsec_key_decode (&mp->entry.integrity_key, &integ_key);
375 flags = ipsec_sa_flags_decode (mp->entry.flags);
377 ip_address_decode (&mp->entry.tunnel_src, &tun_src);
378 ip_address_decode (&mp->entry.tunnel_dst, &tun_dst);
382 rv = ipsec_sa_add (id, spi, proto,
383 crypto_alg, &crypto_key,
384 integ_alg, &integ_key, flags,
385 0, &tun_src, &tun_dst, &sa_index);
387 rv = ipsec_sa_del (id);
390 rv = VNET_API_ERROR_UNIMPLEMENTED;
395 REPLY_MACRO2 (VL_API_IPSEC_SAD_ENTRY_ADD_DEL_REPLY,
397 rmp->stat_index = htonl (sa_index);
403 send_ipsec_spds_details (ipsec_spd_t * spd, vl_api_registration_t * reg,
406 vl_api_ipsec_spds_details_t *mp;
409 mp = vl_msg_api_alloc (sizeof (*mp));
410 clib_memset (mp, 0, sizeof (*mp));
411 mp->_vl_msg_id = ntohs (VL_API_IPSEC_SPDS_DETAILS);
412 mp->context = context;
414 mp->spd_id = htonl (spd->id);
415 #define _(s, n) n_policies += vec_len (spd->policies[IPSEC_SPD_POLICY_##s]);
416 foreach_ipsec_spd_policy_type
418 mp->npolicies = htonl (n_policies);
420 vl_api_send_msg (reg, (u8 *) mp);
424 vl_api_ipsec_spds_dump_t_handler (vl_api_ipsec_spds_dump_t * mp)
426 vl_api_registration_t *reg;
427 ipsec_main_t *im = &ipsec_main;
430 reg = vl_api_client_index_to_registration (mp->client_index);
435 pool_foreach (spd, im->spds, ({
436 send_ipsec_spds_details (spd, reg, mp->context);
440 clib_warning ("unimplemented");
444 vl_api_ipsec_spd_action_t
445 ipsec_spd_action_encode (ipsec_policy_action_t in)
447 vl_api_ipsec_spd_action_t out = IPSEC_API_SPD_ACTION_BYPASS;
451 #define _(v,f,s) case IPSEC_POLICY_ACTION_##f: \
452 out = IPSEC_API_SPD_ACTION_##f; \
454 foreach_ipsec_policy_action
457 return (clib_host_to_net_u32 (out));
461 send_ipsec_spd_details (ipsec_policy_t * p, vl_api_registration_t * reg,
464 vl_api_ipsec_spd_details_t *mp;
466 mp = vl_msg_api_alloc (sizeof (*mp));
467 clib_memset (mp, 0, sizeof (*mp));
468 mp->_vl_msg_id = ntohs (VL_API_IPSEC_SPD_DETAILS);
469 mp->context = context;
471 mp->entry.spd_id = htonl (p->id);
472 mp->entry.priority = htonl (p->priority);
473 mp->entry.is_outbound = ((p->type == IPSEC_SPD_POLICY_IP6_OUTBOUND) ||
474 (p->type == IPSEC_SPD_POLICY_IP4_OUTBOUND));
476 ip_address_encode (&p->laddr.start, IP46_TYPE_ANY,
477 &mp->entry.local_address_start);
478 ip_address_encode (&p->laddr.stop, IP46_TYPE_ANY,
479 &mp->entry.local_address_stop);
480 ip_address_encode (&p->raddr.start, IP46_TYPE_ANY,
481 &mp->entry.remote_address_start);
482 ip_address_encode (&p->raddr.stop, IP46_TYPE_ANY,
483 &mp->entry.remote_address_stop);
484 mp->entry.local_port_start = htons (p->lport.start);
485 mp->entry.local_port_stop = htons (p->lport.stop);
486 mp->entry.remote_port_start = htons (p->rport.start);
487 mp->entry.remote_port_stop = htons (p->rport.stop);
488 mp->entry.protocol = p->protocol;
489 mp->entry.policy = ipsec_spd_action_encode (p->policy);
490 mp->entry.sa_id = htonl (p->sa_id);
492 vl_api_send_msg (reg, (u8 *) mp);
496 vl_api_ipsec_spd_dump_t_handler (vl_api_ipsec_spd_dump_t * mp)
498 vl_api_registration_t *reg;
499 ipsec_main_t *im = &ipsec_main;
500 ipsec_spd_policy_type_t ptype;
501 ipsec_policy_t *policy;
506 reg = vl_api_client_index_to_registration (mp->client_index);
510 p = hash_get (im->spd_index_by_spd_id, ntohl (mp->spd_id));
515 spd = pool_elt_at_index (im->spds, spd_index);
518 FOR_EACH_IPSEC_SPD_POLICY_TYPE(ptype) {
519 vec_foreach(ii, spd->policies[ptype])
521 policy = pool_elt_at_index(im->policies, *ii);
523 if (mp->sa_id == ~(0) || ntohl (mp->sa_id) == policy->sa_id)
524 send_ipsec_spd_details (policy, reg, mp->context);
529 clib_warning ("unimplemented");
534 send_ipsec_spd_interface_details (vl_api_registration_t * reg, u32 spd_index,
535 u32 sw_if_index, u32 context)
537 vl_api_ipsec_spd_interface_details_t *mp;
539 mp = vl_msg_api_alloc (sizeof (*mp));
540 clib_memset (mp, 0, sizeof (*mp));
541 mp->_vl_msg_id = ntohs (VL_API_IPSEC_SPD_INTERFACE_DETAILS);
542 mp->context = context;
544 mp->spd_index = htonl (spd_index);
545 mp->sw_if_index = htonl (sw_if_index);
547 vl_api_send_msg (reg, (u8 *) mp);
551 vl_api_ipsec_spd_interface_dump_t_handler (vl_api_ipsec_spd_interface_dump_t *
554 ipsec_main_t *im = &ipsec_main;
555 vl_api_registration_t *reg;
559 reg = vl_api_client_index_to_registration (mp->client_index);
563 if (mp->spd_index_valid)
565 spd_index = ntohl (mp->spd_index);
567 hash_foreach(k, v, im->spd_index_by_sw_if_index, ({
569 send_ipsec_spd_interface_details(reg, v, k, mp->context);
576 hash_foreach(k, v, im->spd_index_by_sw_if_index, ({
577 send_ipsec_spd_interface_details(reg, v, k, mp->context);
583 clib_warning ("unimplemented");
588 vl_api_ipsec_sa_set_key_t_handler (vl_api_ipsec_sa_set_key_t * mp)
590 vlib_main_t *vm __attribute__ ((unused)) = vlib_get_main ();
591 vl_api_ipsec_sa_set_key_reply_t *rmp;
597 id = ntohl (mp->sa_id);
599 ipsec_key_decode (&mp->crypto_key, &ck);
600 ipsec_key_decode (&mp->integrity_key, &ik);
602 rv = ipsec_set_sa_key (id, &ck, &ik);
604 rv = VNET_API_ERROR_UNIMPLEMENTED;
607 REPLY_MACRO (VL_API_IPSEC_SA_SET_KEY_REPLY);
611 vl_api_ipsec_tunnel_if_add_del_t_handler (vl_api_ipsec_tunnel_if_add_del_t *
614 vl_api_ipsec_tunnel_if_add_del_reply_t *rmp;
615 ipsec_main_t *im = &ipsec_main;
616 vnet_main_t *vnm = im->vnet_main;
617 u32 sw_if_index = ~0;
621 ipsec_add_del_tunnel_args_t tun;
623 clib_memset (&tun, 0, sizeof (ipsec_add_del_tunnel_args_t));
625 tun.is_add = mp->is_add;
627 tun.anti_replay = mp->anti_replay;
628 tun.local_spi = ntohl (mp->local_spi);
629 tun.remote_spi = ntohl (mp->remote_spi);
630 tun.crypto_alg = mp->crypto_alg;
631 tun.local_crypto_key_len = mp->local_crypto_key_len;
632 tun.remote_crypto_key_len = mp->remote_crypto_key_len;
633 tun.integ_alg = mp->integ_alg;
634 tun.local_integ_key_len = mp->local_integ_key_len;
635 tun.remote_integ_key_len = mp->remote_integ_key_len;
636 tun.udp_encap = mp->udp_encap;
637 tun.tx_table_id = ntohl (mp->tx_table_id);
638 memcpy (&tun.local_ip.ip4, mp->local_ip, 4);
639 memcpy (&tun.remote_ip.ip4, mp->remote_ip, 4);
640 memcpy (&tun.local_crypto_key, &mp->local_crypto_key,
641 mp->local_crypto_key_len);
642 memcpy (&tun.remote_crypto_key, &mp->remote_crypto_key,
643 mp->remote_crypto_key_len);
644 memcpy (&tun.local_integ_key, &mp->local_integ_key,
645 mp->local_integ_key_len);
646 memcpy (&tun.remote_integ_key, &mp->remote_integ_key,
647 mp->remote_integ_key_len);
648 tun.renumber = mp->renumber;
649 tun.show_instance = ntohl (mp->show_instance);
651 rv = ipsec_add_del_tunnel_if_internal (vnm, &tun, &sw_if_index);
654 rv = VNET_API_ERROR_UNIMPLEMENTED;
658 REPLY_MACRO2 (VL_API_IPSEC_TUNNEL_IF_ADD_DEL_REPLY,
660 rmp->sw_if_index = htonl (sw_if_index);
666 send_ipsec_sa_details (ipsec_sa_t * sa, vl_api_registration_t * reg,
667 u32 context, u32 sw_if_index)
669 vl_api_ipsec_sa_details_t *mp;
671 mp = vl_msg_api_alloc (sizeof (*mp));
672 clib_memset (mp, 0, sizeof (*mp));
673 mp->_vl_msg_id = ntohs (VL_API_IPSEC_SA_DETAILS);
674 mp->context = context;
676 mp->entry.sad_id = htonl (sa->id);
677 mp->entry.spi = htonl (sa->spi);
678 mp->entry.protocol = ipsec_proto_encode (sa->protocol);
679 mp->entry.tx_table_id =
680 htonl (fib_table_get_table_id (sa->tx_fib_index, FIB_PROTOCOL_IP4));
682 mp->entry.crypto_algorithm = ipsec_crypto_algo_encode (sa->crypto_alg);
683 ipsec_key_encode (&sa->crypto_key, &mp->entry.crypto_key);
685 mp->entry.integrity_algorithm = ipsec_integ_algo_encode (sa->integ_alg);
686 ipsec_key_encode (&sa->integ_key, &mp->entry.integrity_key);
688 mp->entry.flags = ipsec_sad_flags_encode (sa);
692 ip_address_encode (&sa->tunnel_src_addr, IP46_TYPE_ANY,
693 &mp->entry.tunnel_src);
694 ip_address_encode (&sa->tunnel_dst_addr, IP46_TYPE_ANY,
695 &mp->entry.tunnel_dst);
698 mp->sw_if_index = htonl (sw_if_index);
699 mp->salt = clib_host_to_net_u32 (sa->salt);
700 mp->seq_outbound = clib_host_to_net_u64 (((u64) sa->seq));
701 mp->last_seq_inbound = clib_host_to_net_u64 (((u64) sa->last_seq));
704 mp->seq_outbound |= (u64) (clib_host_to_net_u32 (sa->seq_hi));
705 mp->last_seq_inbound |= (u64) (clib_host_to_net_u32 (sa->last_seq_hi));
707 if (sa->use_anti_replay)
708 mp->replay_window = clib_host_to_net_u64 (sa->replay_window);
710 vl_api_send_msg (reg, (u8 *) mp);
715 vl_api_ipsec_sa_dump_t_handler (vl_api_ipsec_sa_dump_t * mp)
717 vl_api_registration_t *reg;
718 ipsec_main_t *im = &ipsec_main;
719 vnet_main_t *vnm = im->vnet_main;
721 ipsec_tunnel_if_t *t;
722 u32 *sa_index_to_tun_if_index = 0;
725 reg = vl_api_client_index_to_registration (mp->client_index);
726 if (!reg || pool_elts (im->sad) == 0)
729 vec_validate_init_empty (sa_index_to_tun_if_index, vec_len (im->sad) - 1,
733 pool_foreach (t, im->tunnel_interfaces,
735 vnet_hw_interface_t *hi;
736 u32 sw_if_index = ~0;
738 hi = vnet_get_hw_interface (vnm, t->hw_if_index);
739 sw_if_index = hi->sw_if_index;
740 sa_index_to_tun_if_index[t->input_sa_index] = sw_if_index;
741 sa_index_to_tun_if_index[t->output_sa_index] = sw_if_index;
744 pool_foreach (sa, im->sad,
746 if (mp->sa_id == ~(0) || ntohl (mp->sa_id) == sa->id)
747 send_ipsec_sa_details (sa, reg, mp->context,
748 sa_index_to_tun_if_index[sa - im->sad]);
752 vec_free (sa_index_to_tun_if_index);
754 clib_warning ("unimplemented");
760 vl_api_ipsec_tunnel_if_set_key_t_handler (vl_api_ipsec_tunnel_if_set_key_t *
763 vl_api_ipsec_tunnel_if_set_key_reply_t *rmp;
764 ipsec_main_t *im = &ipsec_main;
765 vnet_main_t *vnm = im->vnet_main;
766 vnet_sw_interface_t *sw;
771 sw = vnet_get_sw_interface (vnm, ntohl (mp->sw_if_index));
773 switch (mp->key_type)
775 case IPSEC_IF_SET_KEY_TYPE_LOCAL_CRYPTO:
776 case IPSEC_IF_SET_KEY_TYPE_REMOTE_CRYPTO:
777 if (mp->alg < IPSEC_CRYPTO_ALG_AES_CBC_128 ||
778 mp->alg >= IPSEC_CRYPTO_N_ALG)
780 rv = VNET_API_ERROR_UNIMPLEMENTED;
784 case IPSEC_IF_SET_KEY_TYPE_LOCAL_INTEG:
785 case IPSEC_IF_SET_KEY_TYPE_REMOTE_INTEG:
786 if (mp->alg >= IPSEC_INTEG_N_ALG)
788 rv = VNET_API_ERROR_UNIMPLEMENTED;
792 case IPSEC_IF_SET_KEY_TYPE_NONE:
794 rv = VNET_API_ERROR_UNIMPLEMENTED;
799 key = vec_new (u8, mp->key_len);
800 clib_memcpy (key, mp->key, mp->key_len);
802 rv = ipsec_set_interface_key (vnm, sw->hw_if_index, mp->key_type, mp->alg,
806 clib_warning ("unimplemented");
810 REPLY_MACRO (VL_API_IPSEC_TUNNEL_IF_SET_KEY_REPLY);
815 vl_api_ipsec_tunnel_if_set_sa_t_handler (vl_api_ipsec_tunnel_if_set_sa_t * mp)
817 vl_api_ipsec_tunnel_if_set_sa_reply_t *rmp;
818 ipsec_main_t *im = &ipsec_main;
819 vnet_main_t *vnm = im->vnet_main;
820 vnet_sw_interface_t *sw;
824 sw = vnet_get_sw_interface (vnm, ntohl (mp->sw_if_index));
826 rv = ipsec_set_interface_sa (vnm, sw->hw_if_index, ntohl (mp->sa_id),
829 clib_warning ("unimplemented");
832 REPLY_MACRO (VL_API_IPSEC_TUNNEL_IF_SET_SA_REPLY);
836 vl_api_ipsec_backend_dump_t_handler (vl_api_ipsec_backend_dump_t * mp)
838 vl_api_registration_t *rp;
839 ipsec_main_t *im = &ipsec_main;
840 u32 context = mp->context;
842 rp = vl_api_client_index_to_registration (mp->client_index);
846 clib_warning ("Client %d AWOL", mp->client_index);
850 ipsec_ah_backend_t *ab;
851 ipsec_esp_backend_t *eb;
853 pool_foreach (ab, im->ah_backends, {
854 vl_api_ipsec_backend_details_t *mp = vl_msg_api_alloc (sizeof (*mp));
855 clib_memset (mp, 0, sizeof (*mp));
856 mp->_vl_msg_id = ntohs (VL_API_IPSEC_BACKEND_DETAILS);
857 mp->context = context;
858 snprintf ((char *)mp->name, sizeof (mp->name), "%.*s", vec_len (ab->name),
860 mp->protocol = ntohl (IPSEC_API_PROTO_AH);
861 mp->index = ab - im->ah_backends;
862 mp->active = mp->index == im->ah_current_backend ? 1 : 0;
863 vl_api_send_msg (rp, (u8 *)mp);
865 pool_foreach (eb, im->esp_backends, {
866 vl_api_ipsec_backend_details_t *mp = vl_msg_api_alloc (sizeof (*mp));
867 clib_memset (mp, 0, sizeof (*mp));
868 mp->_vl_msg_id = ntohs (VL_API_IPSEC_BACKEND_DETAILS);
869 mp->context = context;
870 snprintf ((char *)mp->name, sizeof (mp->name), "%.*s", vec_len (eb->name),
872 mp->protocol = ntohl (IPSEC_API_PROTO_ESP);
873 mp->index = eb - im->esp_backends;
874 mp->active = mp->index == im->esp_current_backend ? 1 : 0;
875 vl_api_send_msg (rp, (u8 *)mp);
881 vl_api_ipsec_select_backend_t_handler (vl_api_ipsec_select_backend_t * mp)
883 ipsec_main_t *im = &ipsec_main;
884 vl_api_ipsec_select_backend_reply_t *rmp;
885 ipsec_protocol_t protocol;
887 if (pool_elts (im->sad) > 0)
889 rv = VNET_API_ERROR_INSTANCE_IN_USE;
893 rv = ipsec_proto_decode (mp->protocol, &protocol);
901 case IPSEC_PROTOCOL_ESP:
902 if (pool_is_free_index (im->esp_backends, mp->index))
904 rv = VNET_API_ERROR_INVALID_VALUE;
907 ipsec_select_esp_backend (im, mp->index);
909 case IPSEC_PROTOCOL_AH:
910 if (pool_is_free_index (im->ah_backends, mp->index))
912 rv = VNET_API_ERROR_INVALID_VALUE;
915 ipsec_select_ah_backend (im, mp->index);
918 rv = VNET_API_ERROR_INVALID_VALUE;
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")