2 * Copyright (c) 2020 Cisco and/or its affiliates.
3 * Copyright (c) 2020 Doc.ai and/or its affiliates.
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at:
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
17 #include <vnet/vnet.h>
18 #include <vlibmemory/api.h>
20 #include <vnet/format_fns.h>
21 #include <vnet/ip/ip_types_api.h>
22 #include <vlibapi/api.h>
24 #include <wireguard/wireguard.api_enum.h>
25 #include <wireguard/wireguard.api_types.h>
27 #include <wireguard/wireguard_key.h>
28 #include <wireguard/wireguard.h>
29 #include <wireguard/wireguard_if.h>
30 #include <wireguard/wireguard_peer.h>
32 #define REPLY_MSG_ID_BASE wmp->msg_id_base
33 #include <vlibapi/api_helper_macros.h>
36 vl_api_wireguard_interface_create_t_handler
37 (vl_api_wireguard_interface_create_t * mp)
39 vl_api_wireguard_interface_create_reply_t *rmp;
40 wg_main_t *wmp = &wg_main;
41 u8 private_key[NOISE_PUBLIC_KEY_LEN];
46 wg_feature_init (wmp);
48 ip_address_decode2 (&mp->interface.src_ip, &src);
51 curve25519_gen_secret (private_key);
53 clib_memcpy (private_key, mp->interface.private_key, NOISE_PUBLIC_KEY_LEN);
55 rv = wg_if_create (ntohl (mp->interface.user_instance), private_key,
56 ntohs (mp->interface.port), &src, &sw_if_index);
59 REPLY_MACRO2(VL_API_WIREGUARD_INTERFACE_CREATE_REPLY,
61 rmp->sw_if_index = htonl(sw_if_index);
67 vl_api_wireguard_interface_delete_t_handler
68 (vl_api_wireguard_interface_delete_t * mp)
70 vl_api_wireguard_interface_delete_reply_t *rmp;
71 wg_main_t *wmp = &wg_main;
74 wg_feature_init (wmp);
76 VALIDATE_SW_IF_INDEX (mp);
78 rv = wg_if_delete (ntohl (mp->sw_if_index));
80 BAD_SW_IF_INDEX_LABEL;
83 REPLY_MACRO(VL_API_WIREGUARD_INTERFACE_DELETE_REPLY);
87 typedef struct wg_deatils_walk_t_
89 vl_api_registration_t *reg;
95 wireguard_if_send_details (index_t wgii, void *data)
97 vl_api_wireguard_interface_details_t *rmp;
98 wg_deatils_walk_t *ctx = data;
100 const noise_local_t *local;
102 wgi = wg_if_get (wgii);
103 local = noise_local_get (wgi->local_idx);
105 rmp = vl_msg_api_alloc_zero (sizeof (*rmp));
106 rmp->_vl_msg_id = htons (VL_API_WIREGUARD_INTERFACE_DETAILS +
107 wg_main.msg_id_base);
109 if (ctx->show_private_key)
110 clib_memcpy (rmp->interface.private_key,
111 local->l_private, NOISE_PUBLIC_KEY_LEN);
112 clib_memcpy (rmp->interface.public_key,
113 local->l_public, NOISE_PUBLIC_KEY_LEN);
114 rmp->interface.sw_if_index = htonl (wgi->sw_if_index);
115 rmp->interface.port = htons (wgi->port);
116 ip_address_encode2 (&wgi->src_ip, &rmp->interface.src_ip);
118 rmp->context = ctx->context;
120 vl_api_send_msg (ctx->reg, (u8 *) rmp);
122 return (WALK_CONTINUE);
126 vl_api_wireguard_interface_dump_t_handler (vl_api_wireguard_interface_dump_t *
129 vl_api_registration_t *reg;
130 wg_main_t *wmp = &wg_main;
132 wg_feature_init (wmp);
134 reg = vl_api_client_index_to_registration (mp->client_index);
138 wg_deatils_walk_t ctx = {
140 .context = mp->context,
141 .show_private_key = mp->show_private_key,
144 wg_if_walk (wireguard_if_send_details, &ctx);
148 vl_api_wireguard_peer_add_t_handler (vl_api_wireguard_peer_add_t * mp)
150 vl_api_wireguard_peer_add_reply_t *rmp;
151 wg_main_t *wmp = &wg_main;
152 index_t peeri = INDEX_INVALID;
155 ip_address_t endpoint;
156 fib_prefix_t *allowed_ips = NULL;
158 VALIDATE_SW_IF_INDEX (&(mp->peer));
160 if (0 == mp->peer.n_allowed_ips)
162 rv = VNET_API_ERROR_INVALID_VALUE;
166 wg_feature_init (wmp);
168 vec_validate (allowed_ips, mp->peer.n_allowed_ips - 1);
169 ip_address_decode2 (&mp->peer.endpoint, &endpoint);
171 for (ii = 0; ii < mp->peer.n_allowed_ips; ii++)
172 ip_prefix_decode (&mp->peer.allowed_ips[ii], &allowed_ips[ii]);
174 rv = wg_peer_add (ntohl (mp->peer.sw_if_index), mp->peer.public_key,
175 ntohl (mp->peer.table_id), &ip_addr_46 (&endpoint),
176 allowed_ips, ntohs (mp->peer.port),
177 ntohs (mp->peer.persistent_keepalive), &peeri);
179 vec_free (allowed_ips);
181 BAD_SW_IF_INDEX_LABEL;
183 REPLY_MACRO2(VL_API_WIREGUARD_PEER_ADD_REPLY,
185 rmp->peer_index = ntohl (peeri);
191 vl_api_wireguard_peer_remove_t_handler (vl_api_wireguard_peer_remove_t * mp)
193 vl_api_wireguard_peer_remove_reply_t *rmp;
194 wg_main_t *wmp = &wg_main;
197 wg_feature_init (wmp);
199 rv = wg_peer_remove (ntohl (mp->peer_index));
202 REPLY_MACRO(VL_API_WIREGUARD_PEER_REMOVE_REPLY);
207 send_wg_peers_details (index_t peeri, void *data)
209 vl_api_wireguard_peers_details_t *rmp;
210 wg_deatils_walk_t *ctx = data;
211 const wg_peer_t *peer;
215 peer = wg_peer_get (peeri);
216 n_allowed_ips = vec_len (peer->allowed_ips);
218 ss = (sizeof (*rmp) + (n_allowed_ips * sizeof (rmp->peer.allowed_ips[0])));
220 rmp = vl_msg_api_alloc_zero (ss);
222 rmp->_vl_msg_id = htons (VL_API_WIREGUARD_PEERS_DETAILS +
223 wg_main.msg_id_base);
226 rmp->peer.flags = WIREGUARD_PEER_STATUS_DEAD;
227 clib_memcpy (rmp->peer.public_key,
228 peer->remote.r_public, NOISE_PUBLIC_KEY_LEN);
230 ip_address_encode (&peer->dst.addr, IP46_TYPE_ANY, &rmp->peer.endpoint);
231 rmp->peer.port = htons (peer->dst.port);
232 rmp->peer.n_allowed_ips = n_allowed_ips;
233 rmp->peer.sw_if_index = htonl (peer->wg_sw_if_index);
236 for (ii = 0; ii < n_allowed_ips; ii++)
237 ip_prefix_encode (&peer->allowed_ips[ii], &rmp->peer.allowed_ips[ii]);
239 rmp->context = ctx->context;
241 vl_api_send_msg (ctx->reg, (u8 *) rmp);
243 return (WALK_CONTINUE);
247 vl_api_wireguard_peers_dump_t_handler (vl_api_wireguard_peers_dump_t * mp)
249 vl_api_registration_t *reg;
250 wg_main_t *wmp = &wg_main;
252 wg_feature_init (wmp);
254 reg = vl_api_client_index_to_registration (mp->client_index);
258 wg_deatils_walk_t ctx = {
260 .context = mp->context,
263 wg_peer_walk (send_wg_peers_details, &ctx);
266 /* set tup the API message handling tables */
267 #include <wireguard/wireguard.api.c>
268 static clib_error_t *
269 wg_api_hookup (vlib_main_t * vm)
271 wg_main_t *wmp = &wg_main;
272 wmp->msg_id_base = setup_message_id_table ();
276 VLIB_API_INIT_FUNCTION (wg_api_hookup);
279 * fd.io coding-style-patch-verification: ON
282 * eval: (c-set-style "gnu")