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Commit | Line | Data |
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bf094f69 | 1 | /* |
d8647095 | 2 | * Zebra API message creation & consumption. |
bf094f69 QY |
3 | * Portions: |
4 | * Copyright (C) 1997-1999 Kunihiro Ishiguro | |
5 | * Copyright (C) 2015-2018 Cumulus Networks, Inc. | |
6 | * et al. | |
7 | * | |
8 | * This program is free software; you can redistribute it and/or modify it | |
9 | * under the terms of the GNU General Public License as published by the Free | |
10 | * Software Foundation; either version 2 of the License, or (at your option) | |
11 | * any later version. | |
12 | * | |
13 | * This program is distributed in the hope that it will be useful, but WITHOUT | |
14 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
15 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for | |
16 | * more details. | |
17 | * | |
18 | * You should have received a copy of the GNU General Public License along | |
19 | * with this program; see the file COPYING; if not, write to the Free Software | |
20 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA | |
21 | */ | |
22 | ||
23 | #include <zebra.h> | |
24 | #include <libgen.h> | |
25 | ||
26 | #include "lib/prefix.h" | |
27 | #include "lib/command.h" | |
28 | #include "lib/if.h" | |
29 | #include "lib/thread.h" | |
30 | #include "lib/stream.h" | |
31 | #include "lib/memory.h" | |
32 | #include "lib/table.h" | |
33 | #include "lib/network.h" | |
34 | #include "lib/sockunion.h" | |
35 | #include "lib/log.h" | |
36 | #include "lib/zclient.h" | |
37 | #include "lib/privs.h" | |
38 | #include "lib/network.h" | |
39 | #include "lib/buffer.h" | |
40 | #include "lib/nexthop.h" | |
41 | #include "lib/vrf.h" | |
42 | #include "lib/libfrr.h" | |
43 | #include "lib/sockopt.h" | |
44 | ||
161e9ab7 | 45 | #include "zebra/zebra_router.h" |
bf094f69 QY |
46 | #include "zebra/rib.h" |
47 | #include "zebra/zebra_memory.h" | |
48 | #include "zebra/zebra_ns.h" | |
49 | #include "zebra/zebra_vrf.h" | |
50 | #include "zebra/router-id.h" | |
51 | #include "zebra/redistribute.h" | |
52 | #include "zebra/debug.h" | |
53 | #include "zebra/zebra_rnh.h" | |
54 | #include "zebra/rt_netlink.h" | |
55 | #include "zebra/interface.h" | |
56 | #include "zebra/zebra_ptm.h" | |
57 | #include "zebra/rtadv.h" | |
58 | #include "zebra/zebra_mpls.h" | |
59 | #include "zebra/zebra_mroute.h" | |
bf094f69 QY |
60 | #include "zebra/zebra_vxlan.h" |
61 | #include "zebra/rt.h" | |
62 | #include "zebra/zebra_pbr.h" | |
63 | #include "zebra/table_manager.h" | |
64 | #include "zebra/zapi_msg.h" | |
364fed6b | 65 | #include "zebra/zebra_errors.h" |
02c0866d | 66 | #include "zebra/zebra_mlag.h" |
bf094f69 QY |
67 | |
68 | /* Encoding helpers -------------------------------------------------------- */ | |
69 | ||
70 | static void zserv_encode_interface(struct stream *s, struct interface *ifp) | |
71 | { | |
72 | /* Interface information. */ | |
53e60e5c | 73 | struct zebra_if *zif = ifp->info; |
19c38250 | 74 | |
bf094f69 QY |
75 | stream_put(s, ifp->name, INTERFACE_NAMSIZ); |
76 | stream_putl(s, ifp->ifindex); | |
77 | stream_putc(s, ifp->status); | |
78 | stream_putq(s, ifp->flags); | |
79 | stream_putc(s, ifp->ptm_enable); | |
80 | stream_putc(s, ifp->ptm_status); | |
81 | stream_putl(s, ifp->metric); | |
82 | stream_putl(s, ifp->speed); | |
83 | stream_putl(s, ifp->mtu); | |
84 | stream_putl(s, ifp->mtu6); | |
85 | stream_putl(s, ifp->bandwidth); | |
53e60e5c | 86 | stream_putl(s, zif->link_ifindex); |
bf094f69 QY |
87 | stream_putl(s, ifp->ll_type); |
88 | stream_putl(s, ifp->hw_addr_len); | |
89 | if (ifp->hw_addr_len) | |
90 | stream_put(s, ifp->hw_addr, ifp->hw_addr_len); | |
91 | ||
92 | /* Then, Traffic Engineering parameters if any */ | |
93 | if (HAS_LINK_PARAMS(ifp) && IS_LINK_PARAMS_SET(ifp->link_params)) { | |
94 | stream_putc(s, 1); | |
95 | zebra_interface_link_params_write(s, ifp); | |
96 | } else | |
97 | stream_putc(s, 0); | |
98 | ||
99 | /* Write packet size. */ | |
100 | stream_putw_at(s, 0, stream_get_endp(s)); | |
101 | } | |
102 | ||
103 | static void zserv_encode_vrf(struct stream *s, struct zebra_vrf *zvrf) | |
104 | { | |
105 | struct vrf_data data; | |
106 | const char *netns_name = zvrf_ns_name(zvrf); | |
107 | ||
108 | data.l.table_id = zvrf->table_id; | |
109 | ||
110 | if (netns_name) | |
111 | strlcpy(data.l.netns_name, basename((char *)netns_name), | |
112 | NS_NAMSIZ); | |
113 | else | |
114 | memset(data.l.netns_name, 0, NS_NAMSIZ); | |
115 | /* Pass the tableid and the netns NAME */ | |
116 | stream_put(s, &data, sizeof(struct vrf_data)); | |
117 | /* Interface information. */ | |
118 | stream_put(s, zvrf_name(zvrf), VRF_NAMSIZ); | |
119 | /* Write packet size. */ | |
120 | stream_putw_at(s, 0, stream_get_endp(s)); | |
121 | } | |
122 | ||
123 | static int zserv_encode_nexthop(struct stream *s, struct nexthop *nexthop) | |
124 | { | |
a756969d | 125 | stream_putl(s, nexthop->vrf_id); |
bf094f69 QY |
126 | stream_putc(s, nexthop->type); |
127 | switch (nexthop->type) { | |
128 | case NEXTHOP_TYPE_IPV4: | |
129 | case NEXTHOP_TYPE_IPV4_IFINDEX: | |
130 | stream_put_in_addr(s, &nexthop->gate.ipv4); | |
131 | stream_putl(s, nexthop->ifindex); | |
132 | break; | |
133 | case NEXTHOP_TYPE_IPV6: | |
134 | stream_put(s, &nexthop->gate.ipv6, 16); | |
135 | break; | |
136 | case NEXTHOP_TYPE_IPV6_IFINDEX: | |
137 | stream_put(s, &nexthop->gate.ipv6, 16); | |
138 | stream_putl(s, nexthop->ifindex); | |
139 | break; | |
140 | case NEXTHOP_TYPE_IFINDEX: | |
141 | stream_putl(s, nexthop->ifindex); | |
142 | break; | |
143 | default: | |
144 | /* do nothing */ | |
145 | break; | |
146 | } | |
147 | return 1; | |
148 | } | |
149 | ||
150 | /* Send handlers ----------------------------------------------------------- */ | |
151 | ||
152 | /* Interface is added. Send ZEBRA_INTERFACE_ADD to client. */ | |
153 | /* | |
154 | * This function is called in the following situations: | |
155 | * - in response to a 3-byte ZEBRA_INTERFACE_ADD request | |
156 | * from the client. | |
157 | * - at startup, when zebra figures out the available interfaces | |
158 | * - when an interface is added (where support for | |
159 | * RTM_IFANNOUNCE or AF_NETLINK sockets is available), or when | |
160 | * an interface is marked IFF_UP (i.e., an RTM_IFINFO message is | |
161 | * received) | |
162 | */ | |
163 | int zsend_interface_add(struct zserv *client, struct interface *ifp) | |
164 | { | |
165 | struct stream *s = stream_new(ZEBRA_MAX_PACKET_SIZ); | |
166 | ||
a36898e7 | 167 | zclient_create_header(s, ZEBRA_INTERFACE_ADD, ifp->vrf_id); |
bf094f69 QY |
168 | zserv_encode_interface(s, ifp); |
169 | ||
170 | client->ifadd_cnt++; | |
21ccc0cf | 171 | return zserv_send_message(client, s); |
bf094f69 QY |
172 | } |
173 | ||
174 | /* Interface deletion from zebra daemon. */ | |
175 | int zsend_interface_delete(struct zserv *client, struct interface *ifp) | |
176 | { | |
177 | struct stream *s = stream_new(ZEBRA_MAX_PACKET_SIZ); | |
178 | ||
a36898e7 | 179 | zclient_create_header(s, ZEBRA_INTERFACE_DELETE, ifp->vrf_id); |
bf094f69 QY |
180 | zserv_encode_interface(s, ifp); |
181 | ||
182 | client->ifdel_cnt++; | |
21ccc0cf | 183 | return zserv_send_message(client, s); |
bf094f69 QY |
184 | } |
185 | ||
186 | int zsend_vrf_add(struct zserv *client, struct zebra_vrf *zvrf) | |
187 | { | |
188 | struct stream *s = stream_new(ZEBRA_MAX_PACKET_SIZ); | |
189 | ||
190 | zclient_create_header(s, ZEBRA_VRF_ADD, zvrf_id(zvrf)); | |
191 | zserv_encode_vrf(s, zvrf); | |
192 | ||
193 | client->vrfadd_cnt++; | |
21ccc0cf | 194 | return zserv_send_message(client, s); |
bf094f69 QY |
195 | } |
196 | ||
197 | /* VRF deletion from zebra daemon. */ | |
198 | int zsend_vrf_delete(struct zserv *client, struct zebra_vrf *zvrf) | |
199 | ||
200 | { | |
201 | struct stream *s = stream_new(ZEBRA_MAX_PACKET_SIZ); | |
202 | ||
203 | zclient_create_header(s, ZEBRA_VRF_DELETE, zvrf_id(zvrf)); | |
204 | zserv_encode_vrf(s, zvrf); | |
205 | ||
206 | client->vrfdel_cnt++; | |
21ccc0cf | 207 | return zserv_send_message(client, s); |
bf094f69 QY |
208 | } |
209 | ||
210 | int zsend_interface_link_params(struct zserv *client, struct interface *ifp) | |
211 | { | |
212 | struct stream *s = stream_new(ZEBRA_MAX_PACKET_SIZ); | |
213 | ||
bf094f69 QY |
214 | if (!ifp->link_params) { |
215 | stream_free(s); | |
216 | return 0; | |
217 | } | |
218 | ||
a36898e7 | 219 | zclient_create_header(s, ZEBRA_INTERFACE_LINK_PARAMS, ifp->vrf_id); |
bf094f69 QY |
220 | |
221 | /* Add Interface Index */ | |
222 | stream_putl(s, ifp->ifindex); | |
223 | ||
224 | /* Then TE Link Parameters */ | |
225 | if (zebra_interface_link_params_write(s, ifp) == 0) { | |
226 | stream_free(s); | |
227 | return 0; | |
228 | } | |
229 | ||
230 | /* Write packet size. */ | |
231 | stream_putw_at(s, 0, stream_get_endp(s)); | |
232 | ||
21ccc0cf | 233 | return zserv_send_message(client, s); |
bf094f69 QY |
234 | } |
235 | ||
236 | /* Interface address is added/deleted. Send ZEBRA_INTERFACE_ADDRESS_ADD or | |
237 | * ZEBRA_INTERFACE_ADDRESS_DELETE to the client. | |
238 | * | |
239 | * A ZEBRA_INTERFACE_ADDRESS_ADD is sent in the following situations: | |
240 | * - in response to a 3-byte ZEBRA_INTERFACE_ADD request | |
241 | * from the client, after the ZEBRA_INTERFACE_ADD has been | |
242 | * sent from zebra to the client | |
243 | * - redistribute new address info to all clients in the following situations | |
244 | * - at startup, when zebra figures out the available interfaces | |
245 | * - when an interface is added (where support for | |
246 | * RTM_IFANNOUNCE or AF_NETLINK sockets is available), or when | |
247 | * an interface is marked IFF_UP (i.e., an RTM_IFINFO message is | |
248 | * received) | |
b1bd1015 | 249 | * - for the vty commands "ip address A.B.C.D/M [<label LINE>]" |
bf094f69 QY |
250 | * and "no bandwidth <1-10000000>", "ipv6 address X:X::X:X/M" |
251 | * - when an RTM_NEWADDR message is received from the kernel, | |
252 | * | |
253 | * The call tree that triggers ZEBRA_INTERFACE_ADDRESS_DELETE: | |
254 | * | |
255 | * zsend_interface_address(DELETE) | |
256 | * ^ | |
257 | * | | |
258 | * zebra_interface_address_delete_update | |
259 | * ^ ^ ^ | |
260 | * | | if_delete_update | |
261 | * | | | |
262 | * ip_address_uninstall connected_delete_ipv4 | |
263 | * [ipv6_addresss_uninstall] [connected_delete_ipv6] | |
264 | * ^ ^ | |
265 | * | | | |
266 | * | RTM_NEWADDR on routing/netlink socket | |
267 | * | | |
268 | * vty commands: | |
269 | * "no ip address A.B.C.D/M [label LINE]" | |
b1bd1015 | 270 | * "no ip address A.B.C.D/M" |
bf094f69 QY |
271 | * ["no ipv6 address X:X::X:X/M"] |
272 | * | |
273 | */ | |
274 | int zsend_interface_address(int cmd, struct zserv *client, | |
275 | struct interface *ifp, struct connected *ifc) | |
276 | { | |
277 | int blen; | |
278 | struct prefix *p; | |
279 | struct stream *s = stream_new(ZEBRA_MAX_PACKET_SIZ); | |
280 | ||
a36898e7 | 281 | zclient_create_header(s, cmd, ifp->vrf_id); |
bf094f69 QY |
282 | stream_putl(s, ifp->ifindex); |
283 | ||
284 | /* Interface address flag. */ | |
285 | stream_putc(s, ifc->flags); | |
286 | ||
287 | /* Prefix information. */ | |
288 | p = ifc->address; | |
289 | stream_putc(s, p->family); | |
290 | blen = prefix_blen(p); | |
291 | stream_put(s, &p->u.prefix, blen); | |
292 | ||
293 | /* | |
294 | * XXX gnu version does not send prefixlen for | |
295 | * ZEBRA_INTERFACE_ADDRESS_DELETE | |
296 | * but zebra_interface_address_delete_read() in the gnu version | |
297 | * expects to find it | |
298 | */ | |
299 | stream_putc(s, p->prefixlen); | |
300 | ||
301 | /* Destination. */ | |
302 | p = ifc->destination; | |
303 | if (p) | |
304 | stream_put(s, &p->u.prefix, blen); | |
305 | else | |
306 | stream_put(s, NULL, blen); | |
307 | ||
308 | /* Write packet size. */ | |
309 | stream_putw_at(s, 0, stream_get_endp(s)); | |
310 | ||
311 | client->connected_rt_add_cnt++; | |
21ccc0cf | 312 | return zserv_send_message(client, s); |
bf094f69 QY |
313 | } |
314 | ||
315 | static int zsend_interface_nbr_address(int cmd, struct zserv *client, | |
316 | struct interface *ifp, | |
317 | struct nbr_connected *ifc) | |
318 | { | |
319 | int blen; | |
320 | struct stream *s = stream_new(ZEBRA_MAX_PACKET_SIZ); | |
321 | struct prefix *p; | |
322 | ||
a36898e7 | 323 | zclient_create_header(s, cmd, ifp->vrf_id); |
bf094f69 QY |
324 | stream_putl(s, ifp->ifindex); |
325 | ||
326 | /* Prefix information. */ | |
327 | p = ifc->address; | |
328 | stream_putc(s, p->family); | |
329 | blen = prefix_blen(p); | |
330 | stream_put(s, &p->u.prefix, blen); | |
331 | ||
332 | /* | |
333 | * XXX gnu version does not send prefixlen for | |
334 | * ZEBRA_INTERFACE_ADDRESS_DELETE | |
335 | * but zebra_interface_address_delete_read() in the gnu version | |
336 | * expects to find it | |
337 | */ | |
338 | stream_putc(s, p->prefixlen); | |
339 | ||
340 | /* Write packet size. */ | |
341 | stream_putw_at(s, 0, stream_get_endp(s)); | |
342 | ||
21ccc0cf | 343 | return zserv_send_message(client, s); |
bf094f69 QY |
344 | } |
345 | ||
346 | /* Interface address addition. */ | |
347 | static void zebra_interface_nbr_address_add_update(struct interface *ifp, | |
348 | struct nbr_connected *ifc) | |
349 | { | |
350 | struct listnode *node, *nnode; | |
351 | struct zserv *client; | |
352 | struct prefix *p; | |
353 | ||
354 | if (IS_ZEBRA_DEBUG_EVENT) { | |
355 | char buf[INET6_ADDRSTRLEN]; | |
356 | ||
357 | p = ifc->address; | |
358 | zlog_debug( | |
359 | "MESSAGE: ZEBRA_INTERFACE_NBR_ADDRESS_ADD %s/%d on %s", | |
360 | inet_ntop(p->family, &p->u.prefix, buf, | |
361 | INET6_ADDRSTRLEN), | |
362 | p->prefixlen, ifc->ifp->name); | |
363 | } | |
364 | ||
161e9ab7 | 365 | for (ALL_LIST_ELEMENTS(zrouter.client_list, node, nnode, client)) |
bf094f69 QY |
366 | zsend_interface_nbr_address(ZEBRA_INTERFACE_NBR_ADDRESS_ADD, |
367 | client, ifp, ifc); | |
368 | } | |
369 | ||
370 | /* Interface address deletion. */ | |
371 | static void zebra_interface_nbr_address_delete_update(struct interface *ifp, | |
372 | struct nbr_connected *ifc) | |
373 | { | |
374 | struct listnode *node, *nnode; | |
375 | struct zserv *client; | |
376 | struct prefix *p; | |
377 | ||
378 | if (IS_ZEBRA_DEBUG_EVENT) { | |
379 | char buf[INET6_ADDRSTRLEN]; | |
380 | ||
381 | p = ifc->address; | |
382 | zlog_debug( | |
383 | "MESSAGE: ZEBRA_INTERFACE_NBR_ADDRESS_DELETE %s/%d on %s", | |
384 | inet_ntop(p->family, &p->u.prefix, buf, | |
385 | INET6_ADDRSTRLEN), | |
386 | p->prefixlen, ifc->ifp->name); | |
387 | } | |
388 | ||
161e9ab7 | 389 | for (ALL_LIST_ELEMENTS(zrouter.client_list, node, nnode, client)) |
bf094f69 QY |
390 | zsend_interface_nbr_address(ZEBRA_INTERFACE_NBR_ADDRESS_DELETE, |
391 | client, ifp, ifc); | |
392 | } | |
393 | ||
394 | /* Send addresses on interface to client */ | |
395 | int zsend_interface_addresses(struct zserv *client, struct interface *ifp) | |
396 | { | |
397 | struct listnode *cnode, *cnnode; | |
398 | struct connected *c; | |
399 | struct nbr_connected *nc; | |
400 | ||
401 | /* Send interface addresses. */ | |
402 | for (ALL_LIST_ELEMENTS(ifp->connected, cnode, cnnode, c)) { | |
403 | if (!CHECK_FLAG(c->conf, ZEBRA_IFC_REAL)) | |
404 | continue; | |
405 | ||
406 | if (zsend_interface_address(ZEBRA_INTERFACE_ADDRESS_ADD, client, | |
407 | ifp, c) | |
408 | < 0) | |
409 | return -1; | |
410 | } | |
411 | ||
412 | /* Send interface neighbors. */ | |
413 | for (ALL_LIST_ELEMENTS(ifp->nbr_connected, cnode, cnnode, nc)) { | |
414 | if (zsend_interface_nbr_address(ZEBRA_INTERFACE_NBR_ADDRESS_ADD, | |
415 | client, ifp, nc) | |
416 | < 0) | |
417 | return -1; | |
418 | } | |
419 | ||
420 | return 0; | |
421 | } | |
422 | ||
423 | /* Notify client about interface moving from one VRF to another. | |
424 | * Whether client is interested in old and new VRF is checked by caller. | |
425 | */ | |
426 | int zsend_interface_vrf_update(struct zserv *client, struct interface *ifp, | |
427 | vrf_id_t vrf_id) | |
428 | { | |
429 | struct stream *s = stream_new(ZEBRA_MAX_PACKET_SIZ); | |
430 | ||
a36898e7 | 431 | zclient_create_header(s, ZEBRA_INTERFACE_VRF_UPDATE, ifp->vrf_id); |
bf094f69 | 432 | |
91d227b7 RW |
433 | /* Fill in the name of the interface and its new VRF (id) */ |
434 | stream_put(s, ifp->name, INTERFACE_NAMSIZ); | |
bf094f69 QY |
435 | stream_putl(s, vrf_id); |
436 | ||
437 | /* Write packet size. */ | |
438 | stream_putw_at(s, 0, stream_get_endp(s)); | |
439 | ||
440 | client->if_vrfchg_cnt++; | |
21ccc0cf | 441 | return zserv_send_message(client, s); |
bf094f69 QY |
442 | } |
443 | ||
444 | /* Add new nbr connected IPv6 address */ | |
445 | void nbr_connected_add_ipv6(struct interface *ifp, struct in6_addr *address) | |
446 | { | |
447 | struct nbr_connected *ifc; | |
448 | struct prefix p; | |
449 | ||
450 | p.family = AF_INET6; | |
a85297a7 | 451 | IPV6_ADDR_COPY(&p.u.prefix6, address); |
bf094f69 QY |
452 | p.prefixlen = IPV6_MAX_PREFIXLEN; |
453 | ||
8b1766b1 QY |
454 | ifc = listnode_head(ifp->nbr_connected); |
455 | if (!ifc) { | |
bf094f69 QY |
456 | /* new addition */ |
457 | ifc = nbr_connected_new(); | |
458 | ifc->address = prefix_new(); | |
459 | ifc->ifp = ifp; | |
460 | listnode_add(ifp->nbr_connected, ifc); | |
461 | } | |
462 | ||
463 | prefix_copy(ifc->address, &p); | |
464 | ||
465 | zebra_interface_nbr_address_add_update(ifp, ifc); | |
466 | ||
467 | if_nbr_ipv6ll_to_ipv4ll_neigh_update(ifp, address, 1); | |
468 | } | |
469 | ||
470 | void nbr_connected_delete_ipv6(struct interface *ifp, struct in6_addr *address) | |
471 | { | |
472 | struct nbr_connected *ifc; | |
473 | struct prefix p; | |
474 | ||
475 | p.family = AF_INET6; | |
a85297a7 | 476 | IPV6_ADDR_COPY(&p.u.prefix6, address); |
bf094f69 QY |
477 | p.prefixlen = IPV6_MAX_PREFIXLEN; |
478 | ||
479 | ifc = nbr_connected_check(ifp, &p); | |
480 | if (!ifc) | |
481 | return; | |
482 | ||
483 | listnode_delete(ifp->nbr_connected, ifc); | |
484 | ||
485 | zebra_interface_nbr_address_delete_update(ifp, ifc); | |
486 | ||
487 | if_nbr_ipv6ll_to_ipv4ll_neigh_update(ifp, address, 0); | |
488 | ||
489 | nbr_connected_free(ifc); | |
490 | } | |
491 | ||
492 | /* | |
493 | * The cmd passed to zsend_interface_update may be ZEBRA_INTERFACE_UP or | |
494 | * ZEBRA_INTERFACE_DOWN. | |
495 | * | |
496 | * The ZEBRA_INTERFACE_UP message is sent from the zebra server to | |
497 | * the clients in one of 2 situations: | |
498 | * - an if_up is detected e.g., as a result of an RTM_IFINFO message | |
499 | * - a vty command modifying the bandwidth of an interface is received. | |
500 | * The ZEBRA_INTERFACE_DOWN message is sent when an if_down is detected. | |
501 | */ | |
502 | int zsend_interface_update(int cmd, struct zserv *client, struct interface *ifp) | |
503 | { | |
504 | struct stream *s = stream_new(ZEBRA_MAX_PACKET_SIZ); | |
505 | ||
a36898e7 | 506 | zclient_create_header(s, cmd, ifp->vrf_id); |
bf094f69 QY |
507 | zserv_encode_interface(s, ifp); |
508 | ||
509 | if (cmd == ZEBRA_INTERFACE_UP) | |
510 | client->ifup_cnt++; | |
511 | else | |
512 | client->ifdown_cnt++; | |
513 | ||
21ccc0cf | 514 | return zserv_send_message(client, s); |
bf094f69 QY |
515 | } |
516 | ||
86391e56 MS |
517 | int zsend_redistribute_route(int cmd, struct zserv *client, |
518 | const struct prefix *p, | |
40f321c0 MS |
519 | const struct prefix *src_p, |
520 | const struct route_entry *re) | |
bf094f69 QY |
521 | { |
522 | struct zapi_route api; | |
523 | struct zapi_nexthop *api_nh; | |
524 | struct nexthop *nexthop; | |
9a0d4dd3 | 525 | uint8_t count = 0; |
34fa0870 | 526 | afi_t afi; |
f3f45626 DS |
527 | size_t stream_size = |
528 | MAX(ZEBRA_MAX_PACKET_SIZ, sizeof(struct zapi_route)); | |
bf094f69 QY |
529 | |
530 | memset(&api, 0, sizeof(api)); | |
531 | api.vrf_id = re->vrf_id; | |
532 | api.type = re->type; | |
e4081c0e | 533 | api.safi = SAFI_UNICAST; |
bf094f69 QY |
534 | api.instance = re->instance; |
535 | api.flags = re->flags; | |
536 | ||
34fa0870 DS |
537 | afi = family2afi(p->family); |
538 | switch (afi) { | |
539 | case AFI_IP: | |
540 | if (cmd == ZEBRA_REDISTRIBUTE_ROUTE_ADD) | |
541 | client->redist_v4_add_cnt++; | |
542 | else | |
543 | client->redist_v4_del_cnt++; | |
544 | break; | |
545 | case AFI_IP6: | |
546 | if (cmd == ZEBRA_REDISTRIBUTE_ROUTE_ADD) | |
547 | client->redist_v6_add_cnt++; | |
548 | else | |
549 | client->redist_v6_del_cnt++; | |
550 | break; | |
551 | default: | |
552 | break; | |
553 | } | |
554 | ||
bf094f69 QY |
555 | /* Prefix. */ |
556 | api.prefix = *p; | |
557 | if (src_p) { | |
558 | SET_FLAG(api.message, ZAPI_MESSAGE_SRCPFX); | |
559 | memcpy(&api.src_prefix, src_p, sizeof(api.src_prefix)); | |
560 | } | |
561 | ||
6b468511 | 562 | for (nexthop = re->ng->nexthop; nexthop; nexthop = nexthop->next) { |
bf094f69 QY |
563 | if (!CHECK_FLAG(nexthop->flags, NEXTHOP_FLAG_ACTIVE)) |
564 | continue; | |
565 | ||
566 | api_nh = &api.nexthops[count]; | |
567 | api_nh->vrf_id = nexthop->vrf_id; | |
568 | api_nh->type = nexthop->type; | |
569 | switch (nexthop->type) { | |
570 | case NEXTHOP_TYPE_BLACKHOLE: | |
571 | api_nh->bh_type = nexthop->bh_type; | |
572 | break; | |
573 | case NEXTHOP_TYPE_IPV4: | |
574 | api_nh->gate.ipv4 = nexthop->gate.ipv4; | |
575 | break; | |
576 | case NEXTHOP_TYPE_IPV4_IFINDEX: | |
577 | api_nh->gate.ipv4 = nexthop->gate.ipv4; | |
578 | api_nh->ifindex = nexthop->ifindex; | |
579 | break; | |
580 | case NEXTHOP_TYPE_IFINDEX: | |
581 | api_nh->ifindex = nexthop->ifindex; | |
582 | break; | |
583 | case NEXTHOP_TYPE_IPV6: | |
584 | api_nh->gate.ipv6 = nexthop->gate.ipv6; | |
585 | break; | |
586 | case NEXTHOP_TYPE_IPV6_IFINDEX: | |
587 | api_nh->gate.ipv6 = nexthop->gate.ipv6; | |
588 | api_nh->ifindex = nexthop->ifindex; | |
589 | } | |
590 | count++; | |
591 | } | |
592 | ||
9a0d4dd3 DS |
593 | /* Nexthops. */ |
594 | if (count) { | |
595 | SET_FLAG(api.message, ZAPI_MESSAGE_NEXTHOP); | |
596 | api.nexthop_num = count; | |
597 | } | |
598 | ||
bf094f69 QY |
599 | /* Attributes. */ |
600 | SET_FLAG(api.message, ZAPI_MESSAGE_DISTANCE); | |
601 | api.distance = re->distance; | |
602 | SET_FLAG(api.message, ZAPI_MESSAGE_METRIC); | |
603 | api.metric = re->metric; | |
604 | if (re->tag) { | |
605 | SET_FLAG(api.message, ZAPI_MESSAGE_TAG); | |
606 | api.tag = re->tag; | |
607 | } | |
608 | SET_FLAG(api.message, ZAPI_MESSAGE_MTU); | |
609 | api.mtu = re->mtu; | |
610 | ||
f3f45626 | 611 | struct stream *s = stream_new(stream_size); |
bf094f69 QY |
612 | |
613 | /* Encode route and send. */ | |
614 | if (zapi_route_encode(cmd, s, &api) < 0) { | |
615 | stream_free(s); | |
616 | return -1; | |
617 | } | |
618 | ||
619 | if (IS_ZEBRA_DEBUG_SEND) { | |
620 | char buf_prefix[PREFIX_STRLEN]; | |
8b1766b1 | 621 | |
bf094f69 QY |
622 | prefix2str(&api.prefix, buf_prefix, sizeof(buf_prefix)); |
623 | ||
624 | zlog_debug("%s: %s to client %s: type %s, vrf_id %d, p %s", | |
625 | __func__, zserv_command_string(cmd), | |
626 | zebra_route_string(client->proto), | |
627 | zebra_route_string(api.type), api.vrf_id, | |
628 | buf_prefix); | |
629 | } | |
21ccc0cf | 630 | return zserv_send_message(client, s); |
bf094f69 QY |
631 | } |
632 | ||
633 | /* | |
634 | * Modified version of zsend_ipv4_nexthop_lookup(): Query unicast rib if | |
635 | * nexthop is not found on mrib. Returns both route metric and protocol | |
636 | * distance. | |
637 | */ | |
638 | static int zsend_ipv4_nexthop_lookup_mrib(struct zserv *client, | |
639 | struct in_addr addr, | |
640 | struct route_entry *re, | |
641 | struct zebra_vrf *zvrf) | |
642 | { | |
643 | struct stream *s; | |
644 | unsigned long nump; | |
645 | uint8_t num; | |
646 | struct nexthop *nexthop; | |
647 | ||
648 | /* Get output stream. */ | |
649 | s = stream_new(ZEBRA_MAX_PACKET_SIZ); | |
650 | stream_reset(s); | |
651 | ||
652 | /* Fill in result. */ | |
653 | zclient_create_header(s, ZEBRA_IPV4_NEXTHOP_LOOKUP_MRIB, zvrf_id(zvrf)); | |
654 | stream_put_in_addr(s, &addr); | |
655 | ||
656 | if (re) { | |
657 | stream_putc(s, re->distance); | |
658 | stream_putl(s, re->metric); | |
659 | num = 0; | |
8b1766b1 QY |
660 | /* remember position for nexthop_num */ |
661 | nump = stream_get_endp(s); | |
662 | /* reserve room for nexthop_num */ | |
663 | stream_putc(s, 0); | |
664 | /* | |
665 | * Only non-recursive routes are elegible to resolve the | |
666 | * nexthop we are looking up. Therefore, we will just iterate | |
667 | * over the top chain of nexthops. | |
668 | */ | |
6b468511 DS |
669 | for (nexthop = re->ng->nexthop; nexthop; |
670 | nexthop = nexthop->next) | |
bf094f69 QY |
671 | if (CHECK_FLAG(nexthop->flags, NEXTHOP_FLAG_ACTIVE)) |
672 | num += zserv_encode_nexthop(s, nexthop); | |
673 | ||
8b1766b1 QY |
674 | /* store nexthop_num */ |
675 | stream_putc_at(s, nump, num); | |
bf094f69 QY |
676 | } else { |
677 | stream_putc(s, 0); /* distance */ | |
678 | stream_putl(s, 0); /* metric */ | |
679 | stream_putc(s, 0); /* nexthop_num */ | |
680 | } | |
681 | ||
682 | stream_putw_at(s, 0, stream_get_endp(s)); | |
683 | ||
21ccc0cf | 684 | return zserv_send_message(client, s); |
bf094f69 QY |
685 | } |
686 | ||
86391e56 MS |
687 | /* |
688 | * Common utility send route notification, called from a path using a | |
689 | * route_entry and from a path using a dataplane context. | |
690 | */ | |
691 | static int route_notify_internal(const struct prefix *p, int type, | |
692 | uint16_t instance, vrf_id_t vrf_id, | |
693 | uint32_t table_id, | |
694 | enum zapi_route_notify_owner note) | |
bf094f69 QY |
695 | { |
696 | struct zserv *client; | |
697 | struct stream *s; | |
698 | uint8_t blen; | |
699 | ||
86391e56 | 700 | client = zserv_find_client(type, instance); |
bf094f69 QY |
701 | if (!client || !client->notify_owner) { |
702 | if (IS_ZEBRA_DEBUG_PACKET) { | |
703 | char buff[PREFIX_STRLEN]; | |
704 | ||
705 | zlog_debug( | |
706 | "Not Notifying Owner: %u about prefix %s(%u) %d vrf: %u", | |
86391e56 MS |
707 | type, prefix2str(p, buff, sizeof(buff)), |
708 | table_id, note, vrf_id); | |
bf094f69 QY |
709 | } |
710 | return 0; | |
711 | } | |
712 | ||
713 | if (IS_ZEBRA_DEBUG_PACKET) { | |
714 | char buff[PREFIX_STRLEN]; | |
715 | ||
716 | zlog_debug("Notifying Owner: %u about prefix %s(%u) %d vrf: %u", | |
86391e56 MS |
717 | type, prefix2str(p, buff, sizeof(buff)), |
718 | table_id, note, vrf_id); | |
bf094f69 QY |
719 | } |
720 | ||
721 | s = stream_new(ZEBRA_MAX_PACKET_SIZ); | |
722 | stream_reset(s); | |
723 | ||
86391e56 | 724 | zclient_create_header(s, ZEBRA_ROUTE_NOTIFY_OWNER, vrf_id); |
bf094f69 QY |
725 | |
726 | stream_put(s, ¬e, sizeof(note)); | |
727 | ||
728 | stream_putc(s, p->family); | |
729 | ||
730 | blen = prefix_blen(p); | |
731 | stream_putc(s, p->prefixlen); | |
732 | stream_put(s, &p->u.prefix, blen); | |
733 | ||
86391e56 | 734 | stream_putl(s, table_id); |
bf094f69 QY |
735 | |
736 | stream_putw_at(s, 0, stream_get_endp(s)); | |
737 | ||
21ccc0cf | 738 | return zserv_send_message(client, s); |
bf094f69 QY |
739 | } |
740 | ||
86391e56 MS |
741 | int zsend_route_notify_owner(struct route_entry *re, const struct prefix *p, |
742 | enum zapi_route_notify_owner note) | |
743 | { | |
744 | return (route_notify_internal(p, re->type, re->instance, re->vrf_id, | |
745 | re->table, note)); | |
746 | } | |
747 | ||
7cdb1a84 MS |
748 | /* |
749 | * Route-owner notification using info from dataplane update context. | |
750 | */ | |
25779064 | 751 | int zsend_route_notify_owner_ctx(const struct zebra_dplane_ctx *ctx, |
7cdb1a84 MS |
752 | enum zapi_route_notify_owner note) |
753 | { | |
754 | return (route_notify_internal(dplane_ctx_get_dest(ctx), | |
755 | dplane_ctx_get_type(ctx), | |
756 | dplane_ctx_get_instance(ctx), | |
757 | dplane_ctx_get_vrf(ctx), | |
758 | dplane_ctx_get_table(ctx), | |
759 | note)); | |
86391e56 MS |
760 | } |
761 | ||
bf094f69 QY |
762 | void zsend_rule_notify_owner(struct zebra_pbr_rule *rule, |
763 | enum zapi_rule_notify_owner note) | |
764 | { | |
765 | struct listnode *node; | |
766 | struct zserv *client; | |
767 | struct stream *s; | |
768 | ||
769 | if (IS_ZEBRA_DEBUG_PACKET) | |
770 | zlog_debug("%s: Notifying %u", __PRETTY_FUNCTION__, | |
771 | rule->rule.unique); | |
772 | ||
161e9ab7 | 773 | for (ALL_LIST_ELEMENTS_RO(zrouter.client_list, node, client)) { |
bf094f69 QY |
774 | if (rule->sock == client->sock) |
775 | break; | |
776 | } | |
777 | ||
778 | if (!client) | |
779 | return; | |
780 | ||
781 | s = stream_new(ZEBRA_MAX_PACKET_SIZ); | |
782 | ||
783 | zclient_create_header(s, ZEBRA_RULE_NOTIFY_OWNER, VRF_DEFAULT); | |
784 | stream_put(s, ¬e, sizeof(note)); | |
785 | stream_putl(s, rule->rule.seq); | |
786 | stream_putl(s, rule->rule.priority); | |
787 | stream_putl(s, rule->rule.unique); | |
b19d55d0 | 788 | stream_putl(s, rule->rule.ifindex); |
bf094f69 QY |
789 | |
790 | stream_putw_at(s, 0, stream_get_endp(s)); | |
791 | ||
21ccc0cf | 792 | zserv_send_message(client, s); |
bf094f69 QY |
793 | } |
794 | ||
795 | void zsend_ipset_notify_owner(struct zebra_pbr_ipset *ipset, | |
796 | enum zapi_ipset_notify_owner note) | |
797 | { | |
798 | struct listnode *node; | |
799 | struct zserv *client; | |
800 | struct stream *s; | |
801 | ||
802 | if (IS_ZEBRA_DEBUG_PACKET) | |
803 | zlog_debug("%s: Notifying %u", __PRETTY_FUNCTION__, | |
804 | ipset->unique); | |
805 | ||
161e9ab7 | 806 | for (ALL_LIST_ELEMENTS_RO(zrouter.client_list, node, client)) { |
bf094f69 QY |
807 | if (ipset->sock == client->sock) |
808 | break; | |
809 | } | |
810 | ||
811 | if (!client) | |
812 | return; | |
813 | ||
814 | s = stream_new(ZEBRA_MAX_PACKET_SIZ); | |
815 | ||
816 | zclient_create_header(s, ZEBRA_IPSET_NOTIFY_OWNER, VRF_DEFAULT); | |
817 | stream_put(s, ¬e, sizeof(note)); | |
818 | stream_putl(s, ipset->unique); | |
819 | stream_put(s, ipset->ipset_name, ZEBRA_IPSET_NAME_SIZE); | |
820 | stream_putw_at(s, 0, stream_get_endp(s)); | |
821 | ||
21ccc0cf | 822 | zserv_send_message(client, s); |
bf094f69 QY |
823 | } |
824 | ||
825 | void zsend_ipset_entry_notify_owner(struct zebra_pbr_ipset_entry *ipset, | |
826 | enum zapi_ipset_entry_notify_owner note) | |
827 | { | |
828 | struct listnode *node; | |
829 | struct zserv *client; | |
830 | struct stream *s; | |
831 | ||
832 | if (IS_ZEBRA_DEBUG_PACKET) | |
833 | zlog_debug("%s: Notifying %u", __PRETTY_FUNCTION__, | |
834 | ipset->unique); | |
835 | ||
161e9ab7 | 836 | for (ALL_LIST_ELEMENTS_RO(zrouter.client_list, node, client)) { |
bf094f69 QY |
837 | if (ipset->sock == client->sock) |
838 | break; | |
839 | } | |
840 | ||
841 | if (!client) | |
842 | return; | |
843 | ||
844 | s = stream_new(ZEBRA_MAX_PACKET_SIZ); | |
845 | ||
846 | zclient_create_header(s, ZEBRA_IPSET_ENTRY_NOTIFY_OWNER, VRF_DEFAULT); | |
847 | stream_put(s, ¬e, sizeof(note)); | |
848 | stream_putl(s, ipset->unique); | |
849 | stream_put(s, ipset->backpointer->ipset_name, ZEBRA_IPSET_NAME_SIZE); | |
850 | stream_putw_at(s, 0, stream_get_endp(s)); | |
851 | ||
21ccc0cf | 852 | zserv_send_message(client, s); |
bf094f69 QY |
853 | } |
854 | ||
855 | void zsend_iptable_notify_owner(struct zebra_pbr_iptable *iptable, | |
856 | enum zapi_iptable_notify_owner note) | |
857 | { | |
858 | struct listnode *node; | |
859 | struct zserv *client; | |
860 | struct stream *s; | |
861 | ||
862 | if (IS_ZEBRA_DEBUG_PACKET) | |
863 | zlog_debug("%s: Notifying %u", __PRETTY_FUNCTION__, | |
864 | iptable->unique); | |
865 | ||
161e9ab7 | 866 | for (ALL_LIST_ELEMENTS_RO(zrouter.client_list, node, client)) { |
bf094f69 QY |
867 | if (iptable->sock == client->sock) |
868 | break; | |
869 | } | |
870 | ||
871 | if (!client) | |
872 | return; | |
873 | ||
874 | s = stream_new(ZEBRA_MAX_PACKET_SIZ); | |
875 | ||
876 | zclient_create_header(s, ZEBRA_IPTABLE_NOTIFY_OWNER, VRF_DEFAULT); | |
877 | stream_put(s, ¬e, sizeof(note)); | |
878 | stream_putl(s, iptable->unique); | |
879 | stream_putw_at(s, 0, stream_get_endp(s)); | |
880 | ||
21ccc0cf | 881 | zserv_send_message(client, s); |
bf094f69 QY |
882 | } |
883 | ||
884 | /* Router-id is updated. Send ZEBRA_ROUTER_ID_ADD to client. */ | |
885 | int zsend_router_id_update(struct zserv *client, struct prefix *p, | |
886 | vrf_id_t vrf_id) | |
887 | { | |
888 | int blen; | |
889 | ||
890 | /* Check this client need interface information. */ | |
891 | if (!vrf_bitmap_check(client->ridinfo, vrf_id)) | |
892 | return 0; | |
893 | ||
894 | struct stream *s = stream_new(ZEBRA_MAX_PACKET_SIZ); | |
895 | ||
896 | /* Message type. */ | |
897 | zclient_create_header(s, ZEBRA_ROUTER_ID_UPDATE, vrf_id); | |
898 | ||
899 | /* Prefix information. */ | |
900 | stream_putc(s, p->family); | |
901 | blen = prefix_blen(p); | |
902 | stream_put(s, &p->u.prefix, blen); | |
903 | stream_putc(s, p->prefixlen); | |
904 | ||
905 | /* Write packet size. */ | |
906 | stream_putw_at(s, 0, stream_get_endp(s)); | |
907 | ||
21ccc0cf | 908 | return zserv_send_message(client, s); |
bf094f69 QY |
909 | } |
910 | ||
911 | /* | |
912 | * Function used by Zebra to send a PW status update to LDP daemon | |
913 | */ | |
914 | int zsend_pw_update(struct zserv *client, struct zebra_pw *pw) | |
915 | { | |
916 | struct stream *s = stream_new(ZEBRA_MAX_PACKET_SIZ); | |
917 | ||
918 | zclient_create_header(s, ZEBRA_PW_STATUS_UPDATE, pw->vrf_id); | |
919 | stream_write(s, pw->ifname, IF_NAMESIZE); | |
920 | stream_putl(s, pw->ifindex); | |
921 | stream_putl(s, pw->status); | |
922 | ||
923 | /* Put length at the first point of the stream. */ | |
924 | stream_putw_at(s, 0, stream_get_endp(s)); | |
925 | ||
21ccc0cf | 926 | return zserv_send_message(client, s); |
bf094f69 QY |
927 | } |
928 | ||
929 | /* Send response to a get label chunk request to client */ | |
e11d7c96 EDP |
930 | int zsend_assign_label_chunk_response(struct zserv *client, vrf_id_t vrf_id, |
931 | uint8_t proto, uint16_t instance, | |
932 | struct label_manager_chunk *lmc) | |
bf094f69 QY |
933 | { |
934 | int ret; | |
935 | struct stream *s = stream_new(ZEBRA_MAX_PACKET_SIZ); | |
936 | ||
937 | zclient_create_header(s, ZEBRA_GET_LABEL_CHUNK, vrf_id); | |
f004f7c3 EDP |
938 | /* proto */ |
939 | stream_putc(s, proto); | |
940 | /* instance */ | |
941 | stream_putw(s, instance); | |
bf094f69 QY |
942 | |
943 | if (lmc) { | |
944 | /* keep */ | |
945 | stream_putc(s, lmc->keep); | |
946 | /* start and end labels */ | |
947 | stream_putl(s, lmc->start); | |
948 | stream_putl(s, lmc->end); | |
949 | } | |
950 | ||
951 | /* Write packet size. */ | |
952 | stream_putw_at(s, 0, stream_get_endp(s)); | |
953 | ||
954 | ret = writen(client->sock, s->data, stream_get_endp(s)); | |
955 | stream_free(s); | |
956 | return ret; | |
957 | } | |
958 | ||
959 | /* Send response to a label manager connect request to client */ | |
e11d7c96 EDP |
960 | int zsend_label_manager_connect_response(struct zserv *client, vrf_id_t vrf_id, |
961 | unsigned short result) | |
bf094f69 QY |
962 | { |
963 | int ret; | |
964 | struct stream *s = stream_new(ZEBRA_MAX_PACKET_SIZ); | |
965 | ||
966 | zclient_create_header(s, ZEBRA_LABEL_MANAGER_CONNECT, vrf_id); | |
967 | ||
5dffb0e9 FR |
968 | /* proto */ |
969 | stream_putc(s, client->proto); | |
970 | ||
971 | /* instance */ | |
972 | stream_putw(s, client->instance); | |
973 | ||
bf094f69 QY |
974 | /* result */ |
975 | stream_putc(s, result); | |
976 | ||
977 | /* Write packet size. */ | |
978 | stream_putw_at(s, 0, stream_get_endp(s)); | |
979 | ||
980 | ret = writen(client->sock, s->data, stream_get_endp(s)); | |
981 | stream_free(s); | |
982 | ||
983 | return ret; | |
984 | } | |
985 | ||
986 | /* Send response to a get table chunk request to client */ | |
987 | static int zsend_assign_table_chunk_response(struct zserv *client, | |
988 | vrf_id_t vrf_id, | |
989 | struct table_manager_chunk *tmc) | |
990 | { | |
991 | struct stream *s = stream_new(ZEBRA_MAX_PACKET_SIZ); | |
992 | ||
993 | zclient_create_header(s, ZEBRA_GET_TABLE_CHUNK, vrf_id); | |
994 | ||
995 | if (tmc) { | |
996 | /* start and end labels */ | |
997 | stream_putl(s, tmc->start); | |
998 | stream_putl(s, tmc->end); | |
999 | } | |
1000 | ||
1001 | /* Write packet size. */ | |
1002 | stream_putw_at(s, 0, stream_get_endp(s)); | |
1003 | ||
21ccc0cf | 1004 | return zserv_send_message(client, s); |
bf094f69 QY |
1005 | } |
1006 | ||
1007 | static int zsend_table_manager_connect_response(struct zserv *client, | |
1008 | vrf_id_t vrf_id, | |
1009 | uint16_t result) | |
1010 | { | |
1011 | struct stream *s = stream_new(ZEBRA_MAX_PACKET_SIZ); | |
1012 | ||
1013 | zclient_create_header(s, ZEBRA_TABLE_MANAGER_CONNECT, vrf_id); | |
1014 | ||
1015 | /* result */ | |
1016 | stream_putc(s, result); | |
1017 | ||
1018 | stream_putw_at(s, 0, stream_get_endp(s)); | |
1019 | ||
21ccc0cf | 1020 | return zserv_send_message(client, s); |
bf094f69 QY |
1021 | } |
1022 | ||
1023 | /* Inbound message handling ------------------------------------------------ */ | |
1024 | ||
1025 | int cmd2type[] = { | |
1026 | [ZEBRA_NEXTHOP_REGISTER] = RNH_NEXTHOP_TYPE, | |
1027 | [ZEBRA_NEXTHOP_UNREGISTER] = RNH_NEXTHOP_TYPE, | |
1028 | [ZEBRA_IMPORT_ROUTE_REGISTER] = RNH_IMPORT_CHECK_TYPE, | |
1029 | [ZEBRA_IMPORT_ROUTE_UNREGISTER] = RNH_IMPORT_CHECK_TYPE, | |
1030 | }; | |
1031 | ||
1032 | /* Nexthop register */ | |
1033 | static void zread_rnh_register(ZAPI_HANDLER_ARGS) | |
1034 | { | |
1035 | struct rnh *rnh; | |
1036 | struct stream *s; | |
1037 | struct prefix p; | |
1038 | unsigned short l = 0; | |
1039 | uint8_t flags = 0; | |
1040 | uint16_t type = cmd2type[hdr->command]; | |
1d30d1f4 | 1041 | bool exist; |
906b54dd DS |
1042 | bool flag_changed = false; |
1043 | uint8_t orig_flags; | |
bf094f69 QY |
1044 | |
1045 | if (IS_ZEBRA_DEBUG_NHT) | |
1046 | zlog_debug( | |
1047 | "rnh_register msg from client %s: hdr->length=%d, type=%s vrf=%u\n", | |
1048 | zebra_route_string(client->proto), hdr->length, | |
1049 | (type == RNH_NEXTHOP_TYPE) ? "nexthop" : "route", | |
1050 | zvrf->vrf->vrf_id); | |
1051 | ||
1052 | s = msg; | |
1053 | ||
1054 | client->nh_reg_time = monotime(NULL); | |
1055 | ||
1056 | while (l < hdr->length) { | |
1057 | STREAM_GETC(s, flags); | |
1058 | STREAM_GETW(s, p.family); | |
1059 | STREAM_GETC(s, p.prefixlen); | |
1060 | l += 4; | |
1061 | if (p.family == AF_INET) { | |
ab5990d8 | 1062 | client->v4_nh_watch_add_cnt++; |
bf094f69 | 1063 | if (p.prefixlen > IPV4_MAX_BITLEN) { |
9df414fe | 1064 | zlog_debug( |
bf094f69 QY |
1065 | "%s: Specified prefix hdr->length %d is too large for a v4 address", |
1066 | __PRETTY_FUNCTION__, p.prefixlen); | |
1067 | return; | |
1068 | } | |
1069 | STREAM_GET(&p.u.prefix4.s_addr, s, IPV4_MAX_BYTELEN); | |
1070 | l += IPV4_MAX_BYTELEN; | |
1071 | } else if (p.family == AF_INET6) { | |
ab5990d8 | 1072 | client->v6_nh_watch_add_cnt++; |
bf094f69 | 1073 | if (p.prefixlen > IPV6_MAX_BITLEN) { |
9df414fe | 1074 | zlog_debug( |
bf094f69 QY |
1075 | "%s: Specified prefix hdr->length %d is to large for a v6 address", |
1076 | __PRETTY_FUNCTION__, p.prefixlen); | |
1077 | return; | |
1078 | } | |
1079 | STREAM_GET(&p.u.prefix6, s, IPV6_MAX_BYTELEN); | |
1080 | l += IPV6_MAX_BYTELEN; | |
1081 | } else { | |
af4c2728 | 1082 | flog_err( |
e914ccbe | 1083 | EC_ZEBRA_UNKNOWN_FAMILY, |
bf094f69 QY |
1084 | "rnh_register: Received unknown family type %d\n", |
1085 | p.family); | |
1086 | return; | |
1087 | } | |
1d30d1f4 DS |
1088 | rnh = zebra_add_rnh(&p, zvrf_id(zvrf), type, &exist); |
1089 | if (!rnh) | |
1090 | return; | |
1091 | ||
906b54dd | 1092 | orig_flags = rnh->flags; |
bf094f69 QY |
1093 | if (type == RNH_NEXTHOP_TYPE) { |
1094 | if (flags | |
1095 | && !CHECK_FLAG(rnh->flags, ZEBRA_NHT_CONNECTED)) | |
1096 | SET_FLAG(rnh->flags, ZEBRA_NHT_CONNECTED); | |
1097 | else if (!flags | |
1098 | && CHECK_FLAG(rnh->flags, ZEBRA_NHT_CONNECTED)) | |
1099 | UNSET_FLAG(rnh->flags, ZEBRA_NHT_CONNECTED); | |
1100 | } else if (type == RNH_IMPORT_CHECK_TYPE) { | |
1101 | if (flags | |
1102 | && !CHECK_FLAG(rnh->flags, ZEBRA_NHT_EXACT_MATCH)) | |
1103 | SET_FLAG(rnh->flags, ZEBRA_NHT_EXACT_MATCH); | |
1104 | else if (!flags | |
1105 | && CHECK_FLAG(rnh->flags, | |
1106 | ZEBRA_NHT_EXACT_MATCH)) | |
1107 | UNSET_FLAG(rnh->flags, ZEBRA_NHT_EXACT_MATCH); | |
1108 | } | |
1109 | ||
906b54dd DS |
1110 | if (orig_flags != rnh->flags) |
1111 | flag_changed = true; | |
1112 | ||
bf094f69 | 1113 | /* Anything not AF_INET/INET6 has been filtered out above */ |
906b54dd | 1114 | if (!exist || flag_changed) |
73bf60a0 RW |
1115 | zebra_evaluate_rnh(zvrf, family2afi(p.family), 1, type, |
1116 | &p); | |
dd25a6b3 DS |
1117 | |
1118 | zebra_add_rnh_client(rnh, client, type, zvrf_id(zvrf)); | |
bf094f69 QY |
1119 | } |
1120 | ||
1121 | stream_failure: | |
1122 | return; | |
1123 | } | |
1124 | ||
1125 | /* Nexthop register */ | |
1126 | static void zread_rnh_unregister(ZAPI_HANDLER_ARGS) | |
1127 | { | |
1128 | struct rnh *rnh; | |
1129 | struct stream *s; | |
1130 | struct prefix p; | |
1131 | unsigned short l = 0; | |
1132 | uint16_t type = cmd2type[hdr->command]; | |
1133 | ||
1134 | if (IS_ZEBRA_DEBUG_NHT) | |
1135 | zlog_debug( | |
1136 | "rnh_unregister msg from client %s: hdr->length=%d vrf: %u\n", | |
1137 | zebra_route_string(client->proto), hdr->length, | |
1138 | zvrf->vrf->vrf_id); | |
1139 | ||
1140 | s = msg; | |
1141 | ||
1142 | while (l < hdr->length) { | |
1143 | uint8_t flags; | |
1144 | ||
1145 | STREAM_GETC(s, flags); | |
1146 | if (flags != 0) | |
1147 | goto stream_failure; | |
1148 | ||
1149 | STREAM_GETW(s, p.family); | |
1150 | STREAM_GETC(s, p.prefixlen); | |
1151 | l += 4; | |
1152 | if (p.family == AF_INET) { | |
ab5990d8 | 1153 | client->v4_nh_watch_rem_cnt++; |
bf094f69 | 1154 | if (p.prefixlen > IPV4_MAX_BITLEN) { |
9df414fe | 1155 | zlog_debug( |
bf094f69 QY |
1156 | "%s: Specified prefix hdr->length %d is to large for a v4 address", |
1157 | __PRETTY_FUNCTION__, p.prefixlen); | |
1158 | return; | |
1159 | } | |
1160 | STREAM_GET(&p.u.prefix4.s_addr, s, IPV4_MAX_BYTELEN); | |
1161 | l += IPV4_MAX_BYTELEN; | |
1162 | } else if (p.family == AF_INET6) { | |
ab5990d8 | 1163 | client->v6_nh_watch_rem_cnt++; |
bf094f69 | 1164 | if (p.prefixlen > IPV6_MAX_BITLEN) { |
9df414fe | 1165 | zlog_debug( |
bf094f69 QY |
1166 | "%s: Specified prefix hdr->length %d is to large for a v6 address", |
1167 | __PRETTY_FUNCTION__, p.prefixlen); | |
1168 | return; | |
1169 | } | |
1170 | STREAM_GET(&p.u.prefix6, s, IPV6_MAX_BYTELEN); | |
1171 | l += IPV6_MAX_BYTELEN; | |
1172 | } else { | |
af4c2728 | 1173 | flog_err( |
e914ccbe | 1174 | EC_ZEBRA_UNKNOWN_FAMILY, |
bf094f69 QY |
1175 | "rnh_register: Received unknown family type %d\n", |
1176 | p.family); | |
1177 | return; | |
1178 | } | |
1179 | rnh = zebra_lookup_rnh(&p, zvrf_id(zvrf), type); | |
1180 | if (rnh) { | |
1181 | client->nh_dereg_time = monotime(NULL); | |
1182 | zebra_remove_rnh_client(rnh, client, type); | |
1183 | } | |
1184 | } | |
1185 | stream_failure: | |
1186 | return; | |
1187 | } | |
1188 | ||
1189 | #define ZEBRA_MIN_FEC_LENGTH 5 | |
1190 | ||
1191 | /* FEC register */ | |
1192 | static void zread_fec_register(ZAPI_HANDLER_ARGS) | |
1193 | { | |
1194 | struct stream *s; | |
1195 | unsigned short l = 0; | |
1196 | struct prefix p; | |
1197 | uint16_t flags; | |
57592a53 | 1198 | uint32_t label = MPLS_INVALID_LABEL; |
bf094f69 QY |
1199 | uint32_t label_index = MPLS_INVALID_LABEL_INDEX; |
1200 | ||
1201 | s = msg; | |
1202 | zvrf = vrf_info_lookup(VRF_DEFAULT); | |
1203 | if (!zvrf) | |
8b1766b1 | 1204 | return; |
bf094f69 QY |
1205 | |
1206 | /* | |
1207 | * The minimum amount of data that can be sent for one fec | |
1208 | * registration | |
1209 | */ | |
1210 | if (hdr->length < ZEBRA_MIN_FEC_LENGTH) { | |
af4c2728 | 1211 | flog_err( |
e914ccbe | 1212 | EC_ZEBRA_IRDP_LEN_MISMATCH, |
bf094f69 QY |
1213 | "fec_register: Received a fec register of hdr->length %d, it is of insufficient size to properly decode", |
1214 | hdr->length); | |
1215 | return; | |
1216 | } | |
1217 | ||
1218 | while (l < hdr->length) { | |
1219 | STREAM_GETW(s, flags); | |
1220 | memset(&p, 0, sizeof(p)); | |
1221 | STREAM_GETW(s, p.family); | |
1222 | if (p.family != AF_INET && p.family != AF_INET6) { | |
af4c2728 | 1223 | flog_err( |
e914ccbe | 1224 | EC_ZEBRA_UNKNOWN_FAMILY, |
bf094f69 QY |
1225 | "fec_register: Received unknown family type %d\n", |
1226 | p.family); | |
1227 | return; | |
1228 | } | |
1229 | STREAM_GETC(s, p.prefixlen); | |
1230 | if ((p.family == AF_INET && p.prefixlen > IPV4_MAX_BITLEN) | |
1231 | || (p.family == AF_INET6 | |
1232 | && p.prefixlen > IPV6_MAX_BITLEN)) { | |
9df414fe | 1233 | zlog_debug( |
bf094f69 QY |
1234 | "%s: Specified prefix hdr->length: %d is to long for %d", |
1235 | __PRETTY_FUNCTION__, p.prefixlen, p.family); | |
1236 | return; | |
1237 | } | |
1238 | l += 5; | |
1239 | STREAM_GET(&p.u.prefix, s, PSIZE(p.prefixlen)); | |
1240 | l += PSIZE(p.prefixlen); | |
57592a53 AD |
1241 | if (flags & ZEBRA_FEC_REGISTER_LABEL) { |
1242 | STREAM_GETL(s, label); | |
1243 | l += 4; | |
1244 | } else if (flags & ZEBRA_FEC_REGISTER_LABEL_INDEX) { | |
bf094f69 QY |
1245 | STREAM_GETL(s, label_index); |
1246 | l += 4; | |
57592a53 AD |
1247 | } |
1248 | ||
1249 | zebra_mpls_fec_register(zvrf, &p, label, label_index, client); | |
bf094f69 QY |
1250 | } |
1251 | ||
1252 | stream_failure: | |
1253 | return; | |
1254 | } | |
1255 | ||
1256 | /* FEC unregister */ | |
1257 | static void zread_fec_unregister(ZAPI_HANDLER_ARGS) | |
1258 | { | |
1259 | struct stream *s; | |
1260 | unsigned short l = 0; | |
1261 | struct prefix p; | |
1262 | uint16_t flags; | |
1263 | ||
1264 | s = msg; | |
1265 | zvrf = vrf_info_lookup(VRF_DEFAULT); | |
1266 | if (!zvrf) | |
8b1766b1 | 1267 | return; |
bf094f69 QY |
1268 | |
1269 | /* | |
1270 | * The minimum amount of data that can be sent for one | |
1271 | * fec unregistration | |
1272 | */ | |
1273 | if (hdr->length < ZEBRA_MIN_FEC_LENGTH) { | |
af4c2728 | 1274 | flog_err( |
e914ccbe | 1275 | EC_ZEBRA_IRDP_LEN_MISMATCH, |
bf094f69 QY |
1276 | "fec_unregister: Received a fec unregister of hdr->length %d, it is of insufficient size to properly decode", |
1277 | hdr->length); | |
1278 | return; | |
1279 | } | |
1280 | ||
1281 | while (l < hdr->length) { | |
1282 | STREAM_GETW(s, flags); | |
1283 | if (flags != 0) | |
1284 | goto stream_failure; | |
1285 | ||
1286 | memset(&p, 0, sizeof(p)); | |
1287 | STREAM_GETW(s, p.family); | |
1288 | if (p.family != AF_INET && p.family != AF_INET6) { | |
af4c2728 | 1289 | flog_err( |
e914ccbe | 1290 | EC_ZEBRA_UNKNOWN_FAMILY, |
bf094f69 QY |
1291 | "fec_unregister: Received unknown family type %d\n", |
1292 | p.family); | |
1293 | return; | |
1294 | } | |
1295 | STREAM_GETC(s, p.prefixlen); | |
1296 | if ((p.family == AF_INET && p.prefixlen > IPV4_MAX_BITLEN) | |
1297 | || (p.family == AF_INET6 | |
1298 | && p.prefixlen > IPV6_MAX_BITLEN)) { | |
9df414fe | 1299 | zlog_debug( |
bf094f69 QY |
1300 | "%s: Received prefix hdr->length %d which is greater than %d can support", |
1301 | __PRETTY_FUNCTION__, p.prefixlen, p.family); | |
1302 | return; | |
1303 | } | |
1304 | l += 5; | |
1305 | STREAM_GET(&p.u.prefix, s, PSIZE(p.prefixlen)); | |
1306 | l += PSIZE(p.prefixlen); | |
1307 | zebra_mpls_fec_unregister(zvrf, &p, client); | |
1308 | } | |
1309 | ||
1310 | stream_failure: | |
1311 | return; | |
1312 | } | |
1313 | ||
1314 | ||
1315 | /* | |
1316 | * Register zebra server interface information. | |
1317 | * Send current all interface and address information. | |
1318 | */ | |
1319 | static void zread_interface_add(ZAPI_HANDLER_ARGS) | |
1320 | { | |
1321 | struct vrf *vrf; | |
1322 | struct interface *ifp; | |
1323 | ||
bf094f69 QY |
1324 | RB_FOREACH (vrf, vrf_id_head, &vrfs_by_id) { |
1325 | FOR_ALL_INTERFACES (vrf, ifp) { | |
1326 | /* Skip pseudo interface. */ | |
1327 | if (!CHECK_FLAG(ifp->status, ZEBRA_INTERFACE_ACTIVE)) | |
1328 | continue; | |
1329 | ||
1330 | zsend_interface_add(client, ifp); | |
27ecbea3 | 1331 | zsend_interface_link_params(client, ifp); |
bf094f69 QY |
1332 | zsend_interface_addresses(client, ifp); |
1333 | } | |
1334 | } | |
1335 | } | |
1336 | ||
1337 | /* Unregister zebra server interface information. */ | |
1338 | static void zread_interface_delete(ZAPI_HANDLER_ARGS) | |
1339 | { | |
bf094f69 QY |
1340 | } |
1341 | ||
c3bd894e QY |
1342 | /* |
1343 | * Handle message requesting interface be set up or down. | |
1344 | */ | |
1345 | static void zread_interface_set_protodown(ZAPI_HANDLER_ARGS) | |
1346 | { | |
1347 | ifindex_t ifindex; | |
1348 | struct interface *ifp; | |
1349 | char down; | |
1350 | ||
1351 | STREAM_GETL(msg, ifindex); | |
1352 | STREAM_GETC(msg, down); | |
1353 | ||
1354 | /* set ifdown */ | |
1355 | ifp = if_lookup_by_index_per_ns(zebra_ns_lookup(NS_DEFAULT), ifindex); | |
c3bd894e | 1356 | |
65dc7dd3 QY |
1357 | if (ifp) { |
1358 | zlog_info("Setting interface %s (%u): protodown %s", ifp->name, | |
1359 | ifindex, down ? "on" : "off"); | |
1360 | zebra_if_set_protodown(ifp, down); | |
1361 | } else { | |
1362 | zlog_warn( | |
1363 | "Cannot set protodown %s for interface %u; does not exist", | |
1364 | down ? "on" : "off", ifindex); | |
1365 | } | |
1366 | ||
c3bd894e QY |
1367 | |
1368 | stream_failure: | |
1369 | return; | |
1370 | } | |
1371 | ||
1372 | ||
bf094f69 QY |
1373 | void zserv_nexthop_num_warn(const char *caller, const struct prefix *p, |
1374 | const unsigned int nexthop_num) | |
1375 | { | |
b3f2b590 | 1376 | if (nexthop_num > zrouter.multipath_num) { |
bf094f69 | 1377 | char buff[PREFIX2STR_BUFFER]; |
8b1766b1 | 1378 | |
bf094f69 | 1379 | prefix2str(p, buff, sizeof(buff)); |
9df414fe | 1380 | flog_warn( |
e914ccbe | 1381 | EC_ZEBRA_MORE_NH_THAN_MULTIPATH, |
bf094f69 | 1382 | "%s: Prefix %s has %d nexthops, but we can only use the first %d", |
b3f2b590 | 1383 | caller, buff, nexthop_num, zrouter.multipath_num); |
bf094f69 QY |
1384 | } |
1385 | } | |
1386 | ||
1387 | static void zread_route_add(ZAPI_HANDLER_ARGS) | |
1388 | { | |
1389 | struct stream *s; | |
1390 | struct zapi_route api; | |
1391 | struct zapi_nexthop *api_nh; | |
1392 | afi_t afi; | |
1393 | struct prefix_ipv6 *src_p = NULL; | |
1394 | struct route_entry *re; | |
1395 | struct nexthop *nexthop = NULL; | |
1396 | int i, ret; | |
1397 | vrf_id_t vrf_id = 0; | |
1398 | struct ipaddr vtep_ip; | |
1399 | ||
1400 | s = msg; | |
1401 | if (zapi_route_decode(s, &api) < 0) { | |
1402 | if (IS_ZEBRA_DEBUG_RECV) | |
1403 | zlog_debug("%s: Unable to decode zapi_route sent", | |
1404 | __PRETTY_FUNCTION__); | |
1405 | return; | |
1406 | } | |
1407 | ||
1408 | if (IS_ZEBRA_DEBUG_RECV) { | |
1409 | char buf_prefix[PREFIX_STRLEN]; | |
8b1766b1 | 1410 | |
bf094f69 QY |
1411 | prefix2str(&api.prefix, buf_prefix, sizeof(buf_prefix)); |
1412 | zlog_debug("%s: p=%s, ZAPI_MESSAGE_LABEL: %sset, flags=0x%x", | |
1413 | __func__, buf_prefix, | |
1414 | (CHECK_FLAG(api.message, ZAPI_MESSAGE_LABEL) ? "" | |
1415 | : "un"), | |
1416 | api.flags); | |
1417 | } | |
1418 | ||
1419 | /* Allocate new route. */ | |
1420 | vrf_id = zvrf_id(zvrf); | |
1421 | re = XCALLOC(MTYPE_RE, sizeof(struct route_entry)); | |
1422 | re->type = api.type; | |
1423 | re->instance = api.instance; | |
1424 | re->flags = api.flags; | |
98572489 | 1425 | re->uptime = monotime(NULL); |
bf094f69 | 1426 | re->vrf_id = vrf_id; |
6b468511 DS |
1427 | re->ng = nexthop_group_new(); |
1428 | ||
60ca3cc2 | 1429 | if (api.tableid) |
bf094f69 QY |
1430 | re->table = api.tableid; |
1431 | else | |
1432 | re->table = zvrf->table_id; | |
1433 | ||
7fcb24bb RW |
1434 | if (!CHECK_FLAG(api.message, ZAPI_MESSAGE_NEXTHOP) |
1435 | || api.nexthop_num == 0) { | |
7fcb24bb | 1436 | flog_warn(EC_ZEBRA_RX_ROUTE_NO_NEXTHOPS, |
8ba70c4e DS |
1437 | "%s: received a route without nexthops for prefix %pFX from client %s", |
1438 | __func__, &api.prefix, | |
1439 | zebra_route_string(client->proto)); | |
6b468511 DS |
1440 | |
1441 | nexthop_group_delete(&re->ng); | |
7fcb24bb RW |
1442 | XFREE(MTYPE_RE, re); |
1443 | return; | |
1444 | } | |
1445 | ||
bf094f69 QY |
1446 | /* |
1447 | * TBD should _all_ of the nexthop add operations use | |
1448 | * api_nh->vrf_id instead of re->vrf_id ? I only changed | |
1449 | * for cases NEXTHOP_TYPE_IPV4 and NEXTHOP_TYPE_IPV6. | |
1450 | */ | |
7fcb24bb RW |
1451 | for (i = 0; i < api.nexthop_num; i++) { |
1452 | api_nh = &api.nexthops[i]; | |
1453 | ifindex_t ifindex = 0; | |
1454 | ||
1455 | if (IS_ZEBRA_DEBUG_RECV) | |
1456 | zlog_debug("nh type %d", api_nh->type); | |
1457 | ||
1458 | switch (api_nh->type) { | |
1459 | case NEXTHOP_TYPE_IFINDEX: | |
1460 | nexthop = route_entry_nexthop_ifindex_add( | |
1461 | re, api_nh->ifindex, api_nh->vrf_id); | |
1462 | break; | |
1463 | case NEXTHOP_TYPE_IPV4: | |
1464 | if (IS_ZEBRA_DEBUG_RECV) { | |
1465 | char nhbuf[INET6_ADDRSTRLEN] = {0}; | |
1466 | ||
1467 | inet_ntop(AF_INET, &api_nh->gate.ipv4, nhbuf, | |
1468 | INET6_ADDRSTRLEN); | |
1469 | zlog_debug("%s: nh=%s, vrf_id=%d", __func__, | |
1470 | nhbuf, api_nh->vrf_id); | |
1471 | } | |
1472 | nexthop = route_entry_nexthop_ipv4_add( | |
1473 | re, &api_nh->gate.ipv4, NULL, api_nh->vrf_id); | |
1474 | break; | |
1475 | case NEXTHOP_TYPE_IPV4_IFINDEX: | |
1476 | ||
1477 | memset(&vtep_ip, 0, sizeof(struct ipaddr)); | |
e1e71450 | 1478 | ifindex = api_nh->ifindex; |
7fcb24bb RW |
1479 | if (IS_ZEBRA_DEBUG_RECV) { |
1480 | char nhbuf[INET6_ADDRSTRLEN] = {0}; | |
1481 | ||
1482 | inet_ntop(AF_INET, &api_nh->gate.ipv4, nhbuf, | |
1483 | INET6_ADDRSTRLEN); | |
1484 | zlog_debug( | |
1485 | "%s: nh=%s, vrf_id=%d (re->vrf_id=%d), ifindex=%d", | |
1486 | __func__, nhbuf, api_nh->vrf_id, | |
1487 | re->vrf_id, ifindex); | |
bf094f69 | 1488 | } |
7fcb24bb RW |
1489 | nexthop = route_entry_nexthop_ipv4_ifindex_add( |
1490 | re, &api_nh->gate.ipv4, NULL, ifindex, | |
1491 | api_nh->vrf_id); | |
1492 | ||
2b83602b | 1493 | /* Special handling for IPv4 routes sourced from EVPN: |
1494 | * the nexthop and associated MAC need to be installed. | |
7fcb24bb RW |
1495 | */ |
1496 | if (CHECK_FLAG(api.flags, ZEBRA_FLAG_EVPN_ROUTE)) { | |
7fcb24bb RW |
1497 | vtep_ip.ipa_type = IPADDR_V4; |
1498 | memcpy(&(vtep_ip.ipaddr_v4), | |
1499 | &(api_nh->gate.ipv4), | |
1500 | sizeof(struct in_addr)); | |
1501 | zebra_vxlan_evpn_vrf_route_add( | |
744c63be | 1502 | api_nh->vrf_id, &api_nh->rmac, |
1503 | &vtep_ip, &api.prefix); | |
bf094f69 | 1504 | } |
7fcb24bb RW |
1505 | break; |
1506 | case NEXTHOP_TYPE_IPV6: | |
1507 | nexthop = route_entry_nexthop_ipv6_add( | |
1508 | re, &api_nh->gate.ipv6, api_nh->vrf_id); | |
1509 | break; | |
1510 | case NEXTHOP_TYPE_IPV6_IFINDEX: | |
1511 | memset(&vtep_ip, 0, sizeof(struct ipaddr)); | |
e1e71450 | 1512 | ifindex = api_nh->ifindex; |
7fcb24bb RW |
1513 | nexthop = route_entry_nexthop_ipv6_ifindex_add( |
1514 | re, &api_nh->gate.ipv6, ifindex, | |
1515 | api_nh->vrf_id); | |
1516 | ||
2b83602b | 1517 | /* Special handling for IPv6 routes sourced from EVPN: |
1518 | * the nexthop and associated MAC need to be installed. | |
7fcb24bb RW |
1519 | */ |
1520 | if (CHECK_FLAG(api.flags, ZEBRA_FLAG_EVPN_ROUTE)) { | |
7fcb24bb RW |
1521 | vtep_ip.ipa_type = IPADDR_V6; |
1522 | memcpy(&vtep_ip.ipaddr_v6, &(api_nh->gate.ipv6), | |
1523 | sizeof(struct in6_addr)); | |
1524 | zebra_vxlan_evpn_vrf_route_add( | |
744c63be | 1525 | api_nh->vrf_id, &api_nh->rmac, |
1526 | &vtep_ip, &api.prefix); | |
7fcb24bb RW |
1527 | } |
1528 | break; | |
1529 | case NEXTHOP_TYPE_BLACKHOLE: | |
1530 | nexthop = route_entry_nexthop_blackhole_add( | |
1531 | re, api_nh->bh_type); | |
1532 | break; | |
bf094f69 | 1533 | } |
bf094f69 | 1534 | |
7fcb24bb RW |
1535 | if (!nexthop) { |
1536 | flog_warn( | |
1537 | EC_ZEBRA_NEXTHOP_CREATION_FAILED, | |
1538 | "%s: Nexthops Specified: %d but we failed to properly create one", | |
1539 | __PRETTY_FUNCTION__, api.nexthop_num); | |
6b468511 | 1540 | nexthop_group_delete(&re->ng); |
7fcb24bb RW |
1541 | XFREE(MTYPE_RE, re); |
1542 | return; | |
1543 | } | |
fe85601c DS |
1544 | if (api_nh->onlink) |
1545 | SET_FLAG(nexthop->flags, NEXTHOP_FLAG_ONLINK); | |
1546 | ||
7fcb24bb RW |
1547 | /* MPLS labels for BGP-LU or Segment Routing */ |
1548 | if (CHECK_FLAG(api.message, ZAPI_MESSAGE_LABEL) | |
1549 | && api_nh->type != NEXTHOP_TYPE_IFINDEX | |
1550 | && api_nh->type != NEXTHOP_TYPE_BLACKHOLE) { | |
1551 | enum lsp_types_t label_type; | |
1552 | ||
1553 | label_type = lsp_type_from_re_type(client->proto); | |
1554 | ||
1555 | if (IS_ZEBRA_DEBUG_RECV) { | |
1556 | zlog_debug( | |
1557 | "%s: adding %d labels of type %d (1st=%u)", | |
1558 | __func__, api_nh->label_num, label_type, | |
1559 | api_nh->labels[0]); | |
1560 | } | |
1561 | ||
1562 | nexthop_add_labels(nexthop, label_type, | |
1563 | api_nh->label_num, | |
1564 | &api_nh->labels[0]); | |
1565 | } | |
1566 | } | |
1567 | ||
bf094f69 QY |
1568 | if (CHECK_FLAG(api.message, ZAPI_MESSAGE_DISTANCE)) |
1569 | re->distance = api.distance; | |
1570 | if (CHECK_FLAG(api.message, ZAPI_MESSAGE_METRIC)) | |
1571 | re->metric = api.metric; | |
1572 | if (CHECK_FLAG(api.message, ZAPI_MESSAGE_TAG)) | |
1573 | re->tag = api.tag; | |
1574 | if (CHECK_FLAG(api.message, ZAPI_MESSAGE_MTU)) | |
1575 | re->mtu = api.mtu; | |
1576 | ||
1577 | afi = family2afi(api.prefix.family); | |
1578 | if (afi != AFI_IP6 && CHECK_FLAG(api.message, ZAPI_MESSAGE_SRCPFX)) { | |
e914ccbe | 1579 | flog_warn(EC_ZEBRA_RX_SRCDEST_WRONG_AFI, |
9df414fe | 1580 | "%s: Received SRC Prefix but afi is not v6", |
bf094f69 | 1581 | __PRETTY_FUNCTION__); |
6b468511 | 1582 | nexthop_group_delete(&re->ng); |
bf094f69 QY |
1583 | XFREE(MTYPE_RE, re); |
1584 | return; | |
1585 | } | |
1586 | if (CHECK_FLAG(api.message, ZAPI_MESSAGE_SRCPFX)) | |
1587 | src_p = &api.src_prefix; | |
1588 | ||
1589 | ret = rib_add_multipath(afi, api.safi, &api.prefix, src_p, re); | |
1590 | ||
1591 | /* Stats */ | |
1592 | switch (api.prefix.family) { | |
1593 | case AF_INET: | |
1594 | if (ret > 0) | |
1595 | client->v4_route_add_cnt++; | |
1596 | else if (ret < 0) | |
1597 | client->v4_route_upd8_cnt++; | |
1598 | break; | |
1599 | case AF_INET6: | |
1600 | if (ret > 0) | |
1601 | client->v6_route_add_cnt++; | |
1602 | else if (ret < 0) | |
1603 | client->v6_route_upd8_cnt++; | |
1604 | break; | |
1605 | } | |
1606 | } | |
1607 | ||
1608 | static void zread_route_del(ZAPI_HANDLER_ARGS) | |
1609 | { | |
1610 | struct stream *s; | |
1611 | struct zapi_route api; | |
1612 | afi_t afi; | |
1613 | struct prefix_ipv6 *src_p = NULL; | |
1614 | uint32_t table_id; | |
1615 | ||
1616 | s = msg; | |
1617 | if (zapi_route_decode(s, &api) < 0) | |
1618 | return; | |
1619 | ||
1620 | afi = family2afi(api.prefix.family); | |
1621 | if (afi != AFI_IP6 && CHECK_FLAG(api.message, ZAPI_MESSAGE_SRCPFX)) { | |
e914ccbe | 1622 | flog_warn(EC_ZEBRA_RX_SRCDEST_WRONG_AFI, |
9df414fe | 1623 | "%s: Received a src prefix while afi is not v6", |
bf094f69 QY |
1624 | __PRETTY_FUNCTION__); |
1625 | return; | |
1626 | } | |
1627 | if (CHECK_FLAG(api.message, ZAPI_MESSAGE_SRCPFX)) | |
1628 | src_p = &api.src_prefix; | |
1629 | ||
60ca3cc2 | 1630 | if (api.tableid) |
bf094f69 QY |
1631 | table_id = api.tableid; |
1632 | else | |
1633 | table_id = zvrf->table_id; | |
1634 | ||
1635 | rib_delete(afi, api.safi, zvrf_id(zvrf), api.type, api.instance, | |
bc541126 | 1636 | api.flags, &api.prefix, src_p, NULL, 0, table_id, api.metric, |
40ecd8e4 | 1637 | api.distance, false); |
bf094f69 QY |
1638 | |
1639 | /* Stats */ | |
1640 | switch (api.prefix.family) { | |
1641 | case AF_INET: | |
1642 | client->v4_route_del_cnt++; | |
1643 | break; | |
1644 | case AF_INET6: | |
1645 | client->v6_route_del_cnt++; | |
1646 | break; | |
1647 | } | |
1648 | } | |
1649 | ||
bf094f69 QY |
1650 | /* MRIB Nexthop lookup for IPv4. */ |
1651 | static void zread_ipv4_nexthop_lookup_mrib(ZAPI_HANDLER_ARGS) | |
1652 | { | |
1653 | struct in_addr addr; | |
1654 | struct route_entry *re; | |
1655 | ||
1656 | STREAM_GET(&addr.s_addr, msg, IPV4_MAX_BYTELEN); | |
1657 | re = rib_match_ipv4_multicast(zvrf_id(zvrf), addr, NULL); | |
1658 | zsend_ipv4_nexthop_lookup_mrib(client, addr, re, zvrf); | |
1659 | ||
1660 | stream_failure: | |
1661 | return; | |
1662 | } | |
1663 | ||
bf094f69 QY |
1664 | /* Register zebra server router-id information. Send current router-id */ |
1665 | static void zread_router_id_add(ZAPI_HANDLER_ARGS) | |
1666 | { | |
1667 | struct prefix p; | |
1668 | ||
1669 | /* Router-id information is needed. */ | |
1670 | vrf_bitmap_set(client->ridinfo, zvrf_id(zvrf)); | |
1671 | ||
1672 | router_id_get(&p, zvrf_id(zvrf)); | |
1673 | ||
1674 | zsend_router_id_update(client, &p, zvrf_id(zvrf)); | |
1675 | } | |
1676 | ||
1677 | /* Unregister zebra server router-id information. */ | |
1678 | static void zread_router_id_delete(ZAPI_HANDLER_ARGS) | |
1679 | { | |
1680 | vrf_bitmap_unset(client->ridinfo, zvrf_id(zvrf)); | |
1681 | } | |
1682 | ||
1683 | static void zsend_capabilities(struct zserv *client, struct zebra_vrf *zvrf) | |
1684 | { | |
1685 | struct stream *s = stream_new(ZEBRA_MAX_PACKET_SIZ); | |
1686 | ||
1687 | zclient_create_header(s, ZEBRA_CAPABILITIES, zvrf->vrf->vrf_id); | |
bb6b7f79 | 1688 | stream_putl(s, vrf_get_backend()); |
bf094f69 | 1689 | stream_putc(s, mpls_enabled); |
b3f2b590 | 1690 | stream_putl(s, zrouter.multipath_num); |
02c0866d | 1691 | stream_putc(s, zebra_mlag_get_role()); |
bf094f69 QY |
1692 | |
1693 | stream_putw_at(s, 0, stream_get_endp(s)); | |
21ccc0cf | 1694 | zserv_send_message(client, s); |
bf094f69 QY |
1695 | } |
1696 | ||
b120fe3b DS |
1697 | void zsend_capabilities_all_clients(void) |
1698 | { | |
1699 | struct listnode *node, *nnode; | |
1700 | struct zebra_vrf *zvrf; | |
1701 | struct zserv *client; | |
1702 | ||
1703 | zvrf = vrf_info_lookup(VRF_DEFAULT); | |
1704 | for (ALL_LIST_ELEMENTS(zrouter.client_list, node, nnode, client)) { | |
1705 | zsend_capabilities(client, zvrf); | |
1706 | } | |
1707 | } | |
1708 | ||
bf094f69 QY |
1709 | /* Tie up route-type and client->sock */ |
1710 | static void zread_hello(ZAPI_HANDLER_ARGS) | |
1711 | { | |
1712 | /* type of protocol (lib/zebra.h) */ | |
1713 | uint8_t proto; | |
1714 | unsigned short instance; | |
1715 | uint8_t notify; | |
1716 | ||
1717 | STREAM_GETC(msg, proto); | |
1718 | STREAM_GETW(msg, instance); | |
1719 | STREAM_GETC(msg, notify); | |
1720 | if (notify) | |
1721 | client->notify_owner = true; | |
1722 | ||
1723 | /* accept only dynamic routing protocols */ | |
f23cbcda | 1724 | if ((proto < ZEBRA_ROUTE_MAX) && (proto > ZEBRA_ROUTE_CONNECT)) { |
bf094f69 QY |
1725 | zlog_notice( |
1726 | "client %d says hello and bids fair to announce only %s routes vrf=%u", | |
1727 | client->sock, zebra_route_string(proto), | |
1728 | zvrf->vrf->vrf_id); | |
1729 | if (instance) | |
1730 | zlog_notice("client protocol instance %d", instance); | |
1731 | ||
1732 | client->proto = proto; | |
1733 | client->instance = instance; | |
1734 | } | |
1735 | ||
1736 | zsend_capabilities(client, zvrf); | |
bb6b7f79 | 1737 | zebra_vrf_update_all(client); |
bf094f69 QY |
1738 | stream_failure: |
1739 | return; | |
1740 | } | |
1741 | ||
1742 | /* Unregister all information in a VRF. */ | |
1743 | static void zread_vrf_unregister(ZAPI_HANDLER_ARGS) | |
1744 | { | |
1745 | int i; | |
1746 | afi_t afi; | |
1747 | ||
49db7a7b | 1748 | for (afi = AFI_IP; afi < AFI_MAX; afi++) { |
bf094f69 QY |
1749 | for (i = 0; i < ZEBRA_ROUTE_MAX; i++) |
1750 | vrf_bitmap_unset(client->redist[afi][i], zvrf_id(zvrf)); | |
49db7a7b RW |
1751 | vrf_bitmap_unset(client->redist_default[afi], zvrf_id(zvrf)); |
1752 | } | |
bf094f69 QY |
1753 | vrf_bitmap_unset(client->ridinfo, zvrf_id(zvrf)); |
1754 | } | |
1755 | ||
ea6b290b RW |
1756 | /* |
1757 | * Handle request to create an MPLS LSP. | |
1758 | * | |
1759 | * A single message can fully specify an LSP with multiple nexthops. | |
1760 | * | |
1761 | * When the optional ZAPI_LABELS_FTN flag is set, the specified FEC (route) is | |
1762 | * updated to use the received label(s). | |
1763 | */ | |
1764 | static void zread_mpls_labels_add(ZAPI_HANDLER_ARGS) | |
bf094f69 QY |
1765 | { |
1766 | struct stream *s; | |
bad6b0e7 | 1767 | struct zapi_labels zl; |
bf094f69 QY |
1768 | |
1769 | /* Get input stream. */ | |
1770 | s = msg; | |
bad6b0e7 RW |
1771 | if (zapi_labels_decode(s, &zl) < 0) { |
1772 | if (IS_ZEBRA_DEBUG_RECV) | |
1773 | zlog_debug("%s: Unable to decode zapi_labels sent", | |
1774 | __PRETTY_FUNCTION__); | |
bf094f69 QY |
1775 | return; |
1776 | } | |
bf094f69 | 1777 | |
bf094f69 QY |
1778 | if (!mpls_enabled) |
1779 | return; | |
1780 | ||
ea6b290b RW |
1781 | for (int i = 0; i < zl.nexthop_num; i++) { |
1782 | struct zapi_nexthop_label *znh; | |
1783 | ||
1784 | znh = &zl.nexthops[i]; | |
1785 | mpls_lsp_install(zvrf, zl.type, zl.local_label, znh->label, | |
1786 | znh->type, &znh->address, znh->ifindex); | |
1787 | ||
b3c49d0e RW |
1788 | if (CHECK_FLAG(zl.message, ZAPI_LABELS_FTN)) |
1789 | mpls_ftn_update(1, zvrf, zl.type, &zl.route.prefix, | |
ea6b290b RW |
1790 | znh->type, &znh->address, znh->ifindex, |
1791 | zl.route.type, zl.route.instance, | |
1792 | znh->label); | |
1793 | } | |
1794 | } | |
1795 | ||
1796 | /* | |
1797 | * Handle request to delete an MPLS LSP. | |
1798 | * | |
1799 | * An LSP is identified by its type and local label. When the received message | |
1800 | * doesn't contain any nexthop, the whole LSP is deleted. Otherwise, only the | |
1801 | * listed LSP nexthops (aka NHLFEs) are deleted. | |
1802 | * | |
1803 | * When the optional ZAPI_LABELS_FTN flag is set, the labels of the specified | |
1804 | * FEC (route) nexthops are deleted. | |
1805 | */ | |
1806 | static void zread_mpls_labels_delete(ZAPI_HANDLER_ARGS) | |
1807 | { | |
1808 | struct stream *s; | |
1809 | struct zapi_labels zl; | |
1810 | ||
1811 | /* Get input stream. */ | |
1812 | s = msg; | |
1813 | if (zapi_labels_decode(s, &zl) < 0) { | |
1814 | if (IS_ZEBRA_DEBUG_RECV) | |
1815 | zlog_debug("%s: Unable to decode zapi_labels sent", | |
1816 | __PRETTY_FUNCTION__); | |
1817 | return; | |
1818 | } | |
1819 | ||
1820 | if (!mpls_enabled) | |
1821 | return; | |
1822 | ||
1823 | if (zl.nexthop_num > 0) { | |
1824 | for (int i = 0; i < zl.nexthop_num; i++) { | |
1825 | struct zapi_nexthop_label *znh; | |
1826 | ||
1827 | znh = &zl.nexthops[i]; | |
1828 | mpls_lsp_uninstall(zvrf, zl.type, zl.local_label, | |
1829 | znh->type, &znh->address, | |
1830 | znh->ifindex); | |
1831 | ||
1832 | if (CHECK_FLAG(zl.message, ZAPI_LABELS_FTN)) | |
1833 | mpls_ftn_update(0, zvrf, zl.type, | |
1834 | &zl.route.prefix, znh->type, | |
1835 | &znh->address, znh->ifindex, | |
1836 | zl.route.type, | |
1837 | zl.route.instance, znh->label); | |
1838 | } | |
1839 | } else { | |
1840 | mpls_lsp_uninstall_all_vrf(zvrf, zl.type, zl.local_label); | |
1841 | ||
b3c49d0e | 1842 | if (CHECK_FLAG(zl.message, ZAPI_LABELS_FTN)) |
ea6b290b RW |
1843 | mpls_ftn_uninstall(zvrf, zl.type, &zl.route.prefix, |
1844 | zl.route.type, zl.route.instance); | |
1845 | } | |
1846 | } | |
1847 | ||
1848 | /* | |
1849 | * Handle request to add an MPLS LSP or change an existing one. | |
1850 | * | |
1851 | * A single message can fully specify an LSP with multiple nexthops. | |
1852 | * | |
1853 | * When the optional ZAPI_LABELS_FTN flag is set, the specified FEC (route) is | |
1854 | * updated to use the received label(s). | |
1855 | * | |
1856 | * NOTE: zebra will use route replace semantics (make-before-break) to update | |
1857 | * the LSP in the forwarding plane if that's supported by the underlying | |
1858 | * platform. | |
1859 | */ | |
1860 | static void zread_mpls_labels_replace(ZAPI_HANDLER_ARGS) | |
1861 | { | |
1862 | struct stream *s; | |
1863 | struct zapi_labels zl; | |
1864 | ||
1865 | /* Get input stream. */ | |
1866 | s = msg; | |
1867 | if (zapi_labels_decode(s, &zl) < 0) { | |
1868 | if (IS_ZEBRA_DEBUG_RECV) | |
1869 | zlog_debug("%s: Unable to decode zapi_labels sent", | |
1870 | __PRETTY_FUNCTION__); | |
1871 | return; | |
1872 | } | |
1873 | ||
1874 | if (!mpls_enabled) | |
1875 | return; | |
1876 | ||
1877 | mpls_lsp_uninstall_all_vrf(zvrf, zl.type, zl.local_label); | |
1878 | if (CHECK_FLAG(zl.message, ZAPI_LABELS_FTN)) | |
1879 | mpls_ftn_uninstall(zvrf, zl.type, &zl.route.prefix, | |
1880 | zl.route.type, zl.route.instance); | |
1881 | ||
1882 | for (int i = 0; i < zl.nexthop_num; i++) { | |
1883 | struct zapi_nexthop_label *znh; | |
1884 | ||
1885 | znh = &zl.nexthops[i]; | |
1886 | mpls_lsp_install(zvrf, zl.type, zl.local_label, znh->label, | |
1887 | znh->type, &znh->address, znh->ifindex); | |
1888 | ||
1889 | if (CHECK_FLAG(zl.message, ZAPI_LABELS_FTN)) { | |
1890 | mpls_ftn_update(1, zvrf, zl.type, &zl.route.prefix, | |
1891 | znh->type, &znh->address, znh->ifindex, | |
1892 | zl.route.type, zl.route.instance, | |
1893 | znh->label); | |
1894 | } | |
bf094f69 | 1895 | } |
bf094f69 QY |
1896 | } |
1897 | ||
1898 | /* Send response to a table manager connect request to client */ | |
1899 | static void zread_table_manager_connect(struct zserv *client, | |
1900 | struct stream *msg, vrf_id_t vrf_id) | |
1901 | { | |
1902 | struct stream *s; | |
1903 | uint8_t proto; | |
1904 | uint16_t instance; | |
1905 | ||
1906 | s = msg; | |
1907 | ||
1908 | /* Get data. */ | |
1909 | STREAM_GETC(s, proto); | |
1910 | STREAM_GETW(s, instance); | |
1911 | ||
1912 | /* accept only dynamic routing protocols */ | |
1913 | if ((proto >= ZEBRA_ROUTE_MAX) || (proto <= ZEBRA_ROUTE_STATIC)) { | |
e914ccbe | 1914 | flog_err(EC_ZEBRA_TM_WRONG_PROTO, |
1c50c1c0 QY |
1915 | "client %d has wrong protocol %s", client->sock, |
1916 | zebra_route_string(proto)); | |
bf094f69 QY |
1917 | zsend_table_manager_connect_response(client, vrf_id, 1); |
1918 | return; | |
1919 | } | |
1920 | zlog_notice("client %d with vrf %u instance %u connected as %s", | |
1921 | client->sock, vrf_id, instance, zebra_route_string(proto)); | |
1922 | client->proto = proto; | |
1923 | client->instance = instance; | |
1924 | ||
1925 | /* | |
1926 | * Release previous labels of same protocol and instance. | |
1927 | * This is done in case it restarted from an unexpected shutdown. | |
1928 | */ | |
453844ab | 1929 | release_daemon_table_chunks(client); |
bf094f69 QY |
1930 | |
1931 | zsend_table_manager_connect_response(client, vrf_id, 0); | |
1932 | ||
1933 | stream_failure: | |
1934 | return; | |
1935 | } | |
1936 | ||
1937 | static void zread_label_manager_connect(struct zserv *client, | |
1938 | struct stream *msg, vrf_id_t vrf_id) | |
1939 | { | |
1940 | struct stream *s; | |
1941 | /* type of protocol (lib/zebra.h) */ | |
1942 | uint8_t proto; | |
1943 | unsigned short instance; | |
1944 | ||
1945 | /* Get input stream. */ | |
1946 | s = msg; | |
1947 | ||
1948 | /* Get data. */ | |
1949 | STREAM_GETC(s, proto); | |
1950 | STREAM_GETW(s, instance); | |
1951 | ||
1952 | /* accept only dynamic routing protocols */ | |
1953 | if ((proto >= ZEBRA_ROUTE_MAX) || (proto <= ZEBRA_ROUTE_STATIC)) { | |
e914ccbe | 1954 | flog_err(EC_ZEBRA_TM_WRONG_PROTO, |
1c50c1c0 QY |
1955 | "client %d has wrong protocol %s", client->sock, |
1956 | zebra_route_string(proto)); | |
e11d7c96 | 1957 | zsend_label_manager_connect_response(client, vrf_id, 1); |
bf094f69 QY |
1958 | return; |
1959 | } | |
e11d7c96 EDP |
1960 | |
1961 | /* recall proto and instance in this socket */ | |
bf094f69 QY |
1962 | client->proto = proto; |
1963 | client->instance = instance; | |
1964 | ||
e11d7c96 EDP |
1965 | /* call hook for connection using wrapper */ |
1966 | lm_client_connect_call(proto, instance, vrf_id); | |
bf094f69 QY |
1967 | |
1968 | stream_failure: | |
1969 | return; | |
1970 | } | |
1971 | ||
1972 | static void zread_get_label_chunk(struct zserv *client, struct stream *msg, | |
1973 | vrf_id_t vrf_id) | |
1974 | { | |
1975 | struct stream *s; | |
1976 | uint8_t keep; | |
0e3b6a92 | 1977 | uint32_t size, base; |
e11d7c96 | 1978 | struct label_manager_chunk *lmc = NULL; |
5dffb0e9 FR |
1979 | uint8_t proto; |
1980 | unsigned short instance; | |
bf094f69 QY |
1981 | |
1982 | /* Get input stream. */ | |
1983 | s = msg; | |
1984 | ||
1985 | /* Get data. */ | |
5dffb0e9 FR |
1986 | STREAM_GETC(s, proto); |
1987 | STREAM_GETW(s, instance); | |
bf094f69 QY |
1988 | STREAM_GETC(s, keep); |
1989 | STREAM_GETL(s, size); | |
0e3b6a92 | 1990 | STREAM_GETL(s, base); |
bf094f69 | 1991 | |
e11d7c96 EDP |
1992 | /* call hook to get a chunk using wrapper */ |
1993 | lm_get_chunk_call(&lmc, proto, instance, keep, size, base, vrf_id); | |
bf094f69 | 1994 | |
bf094f69 | 1995 | if (!lmc) |
af4c2728 | 1996 | flog_err( |
e914ccbe | 1997 | EC_ZEBRA_LM_CANNOT_ASSIGN_CHUNK, |
0313523d | 1998 | "Unable to assign Label Chunk of size %u to %s instance %u", |
f533be73 | 1999 | size, zebra_route_string(proto), instance); |
bf094f69 | 2000 | else |
8f86bb06 DS |
2001 | if (IS_ZEBRA_DEBUG_PACKET) |
2002 | zlog_debug("Assigned Label Chunk %u - %u to %s instance %u", | |
2003 | lmc->start, lmc->end, | |
2004 | zebra_route_string(proto), instance); | |
bf094f69 QY |
2005 | |
2006 | stream_failure: | |
2007 | return; | |
2008 | } | |
2009 | ||
2010 | static void zread_release_label_chunk(struct zserv *client, struct stream *msg) | |
2011 | { | |
2012 | struct stream *s; | |
2013 | uint32_t start, end; | |
5dffb0e9 FR |
2014 | uint8_t proto; |
2015 | unsigned short instance; | |
bf094f69 QY |
2016 | |
2017 | /* Get input stream. */ | |
2018 | s = msg; | |
2019 | ||
2020 | /* Get data. */ | |
5dffb0e9 FR |
2021 | STREAM_GETC(s, proto); |
2022 | STREAM_GETW(s, instance); | |
bf094f69 QY |
2023 | STREAM_GETL(s, start); |
2024 | STREAM_GETL(s, end); | |
2025 | ||
e11d7c96 EDP |
2026 | /* call hook to release a chunk using wrapper */ |
2027 | lm_release_chunk_call(proto, instance, start, end); | |
bf094f69 QY |
2028 | |
2029 | stream_failure: | |
2030 | return; | |
2031 | } | |
e11d7c96 | 2032 | |
bf094f69 QY |
2033 | static void zread_label_manager_request(ZAPI_HANDLER_ARGS) |
2034 | { | |
e11d7c96 EDP |
2035 | if (hdr->command == ZEBRA_LABEL_MANAGER_CONNECT |
2036 | || hdr->command == ZEBRA_LABEL_MANAGER_CONNECT_ASYNC) | |
2037 | zread_label_manager_connect(client, msg, zvrf_id(zvrf)); | |
bf094f69 | 2038 | else { |
e11d7c96 EDP |
2039 | if (hdr->command == ZEBRA_GET_LABEL_CHUNK) |
2040 | zread_get_label_chunk(client, msg, zvrf_id(zvrf)); | |
2041 | else if (hdr->command == ZEBRA_RELEASE_LABEL_CHUNK) | |
2042 | zread_release_label_chunk(client, msg); | |
bf094f69 QY |
2043 | } |
2044 | } | |
2045 | ||
2046 | static void zread_get_table_chunk(struct zserv *client, struct stream *msg, | |
2047 | vrf_id_t vrf_id) | |
2048 | { | |
2049 | struct stream *s; | |
2050 | uint32_t size; | |
2051 | struct table_manager_chunk *tmc; | |
2052 | ||
2053 | /* Get input stream. */ | |
2054 | s = msg; | |
2055 | ||
2056 | /* Get data. */ | |
2057 | STREAM_GETL(s, size); | |
2058 | ||
2059 | tmc = assign_table_chunk(client->proto, client->instance, size); | |
2060 | if (!tmc) | |
e914ccbe | 2061 | flog_err(EC_ZEBRA_TM_CANNOT_ASSIGN_CHUNK, |
1c50c1c0 QY |
2062 | "%s: Unable to assign Table Chunk of size %u", |
2063 | __func__, size); | |
bf094f69 QY |
2064 | else |
2065 | zlog_debug("Assigned Table Chunk %u - %u", tmc->start, | |
2066 | tmc->end); | |
2067 | /* send response back */ | |
2068 | zsend_assign_table_chunk_response(client, vrf_id, tmc); | |
2069 | ||
2070 | stream_failure: | |
2071 | return; | |
2072 | } | |
2073 | ||
2074 | static void zread_release_table_chunk(struct zserv *client, struct stream *msg) | |
2075 | { | |
2076 | struct stream *s; | |
2077 | uint32_t start, end; | |
2078 | ||
2079 | /* Get input stream. */ | |
2080 | s = msg; | |
2081 | ||
2082 | /* Get data. */ | |
2083 | STREAM_GETL(s, start); | |
2084 | STREAM_GETL(s, end); | |
2085 | ||
2086 | release_table_chunk(client->proto, client->instance, start, end); | |
2087 | ||
2088 | stream_failure: | |
2089 | return; | |
2090 | } | |
2091 | ||
2092 | static void zread_table_manager_request(ZAPI_HANDLER_ARGS) | |
2093 | { | |
2094 | /* to avoid sending other messages like ZERBA_INTERFACE_UP */ | |
2095 | if (hdr->command == ZEBRA_TABLE_MANAGER_CONNECT) | |
2096 | zread_table_manager_connect(client, msg, zvrf_id(zvrf)); | |
2097 | else { | |
2098 | /* Sanity: don't allow 'unidentified' requests */ | |
2099 | if (!client->proto) { | |
af4c2728 | 2100 | flog_err( |
e914ccbe | 2101 | EC_ZEBRA_TM_ALIENS, |
bf094f69 QY |
2102 | "Got table request from an unidentified client"); |
2103 | return; | |
2104 | } | |
2105 | if (hdr->command == ZEBRA_GET_TABLE_CHUNK) | |
2106 | zread_get_table_chunk(client, msg, zvrf_id(zvrf)); | |
2107 | else if (hdr->command == ZEBRA_RELEASE_TABLE_CHUNK) | |
2108 | zread_release_table_chunk(client, msg); | |
2109 | } | |
2110 | } | |
2111 | ||
2112 | static void zread_pseudowire(ZAPI_HANDLER_ARGS) | |
2113 | { | |
2114 | struct stream *s; | |
2115 | char ifname[IF_NAMESIZE]; | |
2116 | ifindex_t ifindex; | |
2117 | int type; | |
2118 | int af; | |
2119 | union g_addr nexthop; | |
2120 | uint32_t local_label; | |
2121 | uint32_t remote_label; | |
2122 | uint8_t flags; | |
2123 | union pw_protocol_fields data; | |
2124 | uint8_t protocol; | |
2125 | struct zebra_pw *pw; | |
2126 | ||
2127 | /* Get input stream. */ | |
2128 | s = msg; | |
2129 | ||
2130 | /* Get data. */ | |
2131 | STREAM_GET(ifname, s, IF_NAMESIZE); | |
2132 | STREAM_GETL(s, ifindex); | |
2133 | STREAM_GETL(s, type); | |
2134 | STREAM_GETL(s, af); | |
2135 | switch (af) { | |
2136 | case AF_INET: | |
2137 | STREAM_GET(&nexthop.ipv4.s_addr, s, IPV4_MAX_BYTELEN); | |
2138 | break; | |
2139 | case AF_INET6: | |
2140 | STREAM_GET(&nexthop.ipv6, s, 16); | |
2141 | break; | |
2142 | default: | |
2143 | return; | |
2144 | } | |
2145 | STREAM_GETL(s, local_label); | |
2146 | STREAM_GETL(s, remote_label); | |
2147 | STREAM_GETC(s, flags); | |
2148 | STREAM_GET(&data, s, sizeof(data)); | |
2149 | protocol = client->proto; | |
2150 | ||
2151 | pw = zebra_pw_find(zvrf, ifname); | |
2152 | switch (hdr->command) { | |
2153 | case ZEBRA_PW_ADD: | |
2154 | if (pw) { | |
e914ccbe | 2155 | flog_warn(EC_ZEBRA_PSEUDOWIRE_EXISTS, |
9df414fe | 2156 | "%s: pseudowire %s already exists [%s]", |
bf094f69 QY |
2157 | __func__, ifname, |
2158 | zserv_command_string(hdr->command)); | |
2159 | return; | |
2160 | } | |
2161 | ||
2162 | zebra_pw_add(zvrf, ifname, protocol, client); | |
2163 | break; | |
2164 | case ZEBRA_PW_DELETE: | |
2165 | if (!pw) { | |
e914ccbe | 2166 | flog_warn(EC_ZEBRA_PSEUDOWIRE_NONEXISTENT, |
9df414fe | 2167 | "%s: pseudowire %s not found [%s]", __func__, |
bf094f69 QY |
2168 | ifname, zserv_command_string(hdr->command)); |
2169 | return; | |
2170 | } | |
2171 | ||
2172 | zebra_pw_del(zvrf, pw); | |
2173 | break; | |
2174 | case ZEBRA_PW_SET: | |
2175 | case ZEBRA_PW_UNSET: | |
2176 | if (!pw) { | |
e914ccbe | 2177 | flog_warn(EC_ZEBRA_PSEUDOWIRE_NONEXISTENT, |
9df414fe | 2178 | "%s: pseudowire %s not found [%s]", __func__, |
bf094f69 QY |
2179 | ifname, zserv_command_string(hdr->command)); |
2180 | return; | |
2181 | } | |
2182 | ||
2183 | switch (hdr->command) { | |
2184 | case ZEBRA_PW_SET: | |
2185 | pw->enabled = 1; | |
2186 | break; | |
2187 | case ZEBRA_PW_UNSET: | |
2188 | pw->enabled = 0; | |
2189 | break; | |
2190 | } | |
2191 | ||
2192 | zebra_pw_change(pw, ifindex, type, af, &nexthop, local_label, | |
2193 | remote_label, flags, &data); | |
2194 | break; | |
2195 | } | |
2196 | ||
2197 | stream_failure: | |
2198 | return; | |
2199 | } | |
2200 | ||
2201 | static void zread_interface_set_master(ZAPI_HANDLER_ARGS) | |
2202 | { | |
2203 | struct interface *master; | |
2204 | struct interface *slave; | |
2205 | struct stream *s = msg; | |
2206 | int ifindex; | |
2207 | vrf_id_t vrf_id; | |
2208 | ||
2209 | STREAM_GETL(s, vrf_id); | |
2210 | STREAM_GETL(s, ifindex); | |
2211 | master = if_lookup_by_index(ifindex, vrf_id); | |
2212 | ||
2213 | STREAM_GETL(s, vrf_id); | |
2214 | STREAM_GETL(s, ifindex); | |
2215 | slave = if_lookup_by_index(ifindex, vrf_id); | |
2216 | ||
2217 | if (!master || !slave) | |
2218 | return; | |
2219 | ||
2220 | kernel_interface_set_master(master, slave); | |
2221 | ||
2222 | stream_failure: | |
2223 | return; | |
2224 | } | |
2225 | ||
2226 | ||
2227 | static void zread_vrf_label(ZAPI_HANDLER_ARGS) | |
2228 | { | |
2229 | struct interface *ifp; | |
2230 | mpls_label_t nlabel; | |
2231 | afi_t afi; | |
2232 | struct stream *s; | |
2233 | struct zebra_vrf *def_zvrf; | |
2234 | enum lsp_types_t ltype; | |
2235 | ||
2236 | s = msg; | |
2237 | STREAM_GETL(s, nlabel); | |
2238 | STREAM_GETC(s, afi); | |
2239 | if (nlabel == zvrf->label[afi]) { | |
2240 | /* | |
2241 | * Nothing to do here move along | |
2242 | */ | |
2243 | return; | |
2244 | } | |
2245 | ||
2246 | STREAM_GETC(s, ltype); | |
2247 | ||
2248 | if (zvrf->vrf->vrf_id != VRF_DEFAULT) | |
a36898e7 | 2249 | ifp = if_lookup_by_name(zvrf->vrf->name, zvrf->vrf->vrf_id); |
bf094f69 | 2250 | else |
a36898e7 | 2251 | ifp = if_lookup_by_name("lo", VRF_DEFAULT); |
bf094f69 QY |
2252 | |
2253 | if (!ifp) { | |
2254 | zlog_debug("Unable to find specified Interface for %s", | |
2255 | zvrf->vrf->name); | |
2256 | return; | |
2257 | } | |
2258 | ||
2259 | def_zvrf = zebra_vrf_lookup_by_id(VRF_DEFAULT); | |
2260 | ||
2261 | if (zvrf->label[afi] != MPLS_LABEL_NONE) { | |
2262 | afi_t scrubber; | |
2263 | bool really_remove; | |
2264 | ||
2265 | really_remove = true; | |
2266 | for (scrubber = AFI_IP; scrubber < AFI_MAX; scrubber++) { | |
2267 | if (scrubber == afi) | |
2268 | continue; | |
2269 | ||
2270 | if (zvrf->label[scrubber] == MPLS_LABEL_NONE) | |
2271 | continue; | |
2272 | ||
2273 | if (zvrf->label[afi] == zvrf->label[scrubber]) { | |
2274 | really_remove = false; | |
2275 | break; | |
2276 | } | |
2277 | } | |
2278 | ||
2279 | if (really_remove) | |
2280 | mpls_lsp_uninstall(def_zvrf, ltype, zvrf->label[afi], | |
2281 | NEXTHOP_TYPE_IFINDEX, NULL, | |
2282 | ifp->ifindex); | |
2283 | } | |
2284 | ||
2285 | if (nlabel != MPLS_LABEL_NONE) | |
2286 | mpls_lsp_install(def_zvrf, ltype, nlabel, | |
2287 | MPLS_LABEL_IMPLICIT_NULL, NEXTHOP_TYPE_IFINDEX, | |
2288 | NULL, ifp->ifindex); | |
2289 | ||
2290 | zvrf->label[afi] = nlabel; | |
2291 | stream_failure: | |
2292 | return; | |
2293 | } | |
2294 | ||
2295 | static inline void zread_rule(ZAPI_HANDLER_ARGS) | |
2296 | { | |
2297 | struct zebra_pbr_rule zpr; | |
2298 | struct stream *s; | |
2299 | uint32_t total, i; | |
bf094f69 QY |
2300 | |
2301 | s = msg; | |
2302 | STREAM_GETL(s, total); | |
2303 | ||
2304 | for (i = 0; i < total; i++) { | |
2305 | memset(&zpr, 0, sizeof(zpr)); | |
2306 | ||
2307 | zpr.sock = client->sock; | |
2308 | zpr.rule.vrf_id = hdr->vrf_id; | |
2309 | STREAM_GETL(s, zpr.rule.seq); | |
2310 | STREAM_GETL(s, zpr.rule.priority); | |
2311 | STREAM_GETL(s, zpr.rule.unique); | |
2312 | STREAM_GETC(s, zpr.rule.filter.src_ip.family); | |
2313 | STREAM_GETC(s, zpr.rule.filter.src_ip.prefixlen); | |
2314 | STREAM_GET(&zpr.rule.filter.src_ip.u.prefix, s, | |
2315 | prefix_blen(&zpr.rule.filter.src_ip)); | |
2316 | STREAM_GETW(s, zpr.rule.filter.src_port); | |
2317 | STREAM_GETC(s, zpr.rule.filter.dst_ip.family); | |
2318 | STREAM_GETC(s, zpr.rule.filter.dst_ip.prefixlen); | |
2319 | STREAM_GET(&zpr.rule.filter.dst_ip.u.prefix, s, | |
2320 | prefix_blen(&zpr.rule.filter.dst_ip)); | |
2321 | STREAM_GETW(s, zpr.rule.filter.dst_port); | |
2322 | STREAM_GETL(s, zpr.rule.filter.fwmark); | |
2323 | STREAM_GETL(s, zpr.rule.action.table); | |
b77a69bd | 2324 | STREAM_GETL(s, zpr.rule.ifindex); |
bf094f69 | 2325 | |
b77a69bd | 2326 | if (zpr.rule.ifindex) { |
b19d55d0 SW |
2327 | struct interface *ifp; |
2328 | ||
2329 | ifp = if_lookup_by_index_per_ns(zvrf->zns, | |
2330 | zpr.rule.ifindex); | |
2331 | if (!ifp) { | |
bf094f69 | 2332 | zlog_debug("Failed to lookup ifindex: %u", |
b77a69bd | 2333 | zpr.rule.ifindex); |
bf094f69 QY |
2334 | return; |
2335 | } | |
b19d55d0 SW |
2336 | |
2337 | strlcpy(zpr.ifname, ifp->name, sizeof(zpr.ifname)); | |
bf094f69 QY |
2338 | } |
2339 | ||
2340 | if (!is_default_prefix(&zpr.rule.filter.src_ip)) | |
2341 | zpr.rule.filter.filter_bm |= PBR_FILTER_SRC_IP; | |
2342 | ||
2343 | if (!is_default_prefix(&zpr.rule.filter.dst_ip)) | |
2344 | zpr.rule.filter.filter_bm |= PBR_FILTER_DST_IP; | |
2345 | ||
2346 | if (zpr.rule.filter.src_port) | |
2347 | zpr.rule.filter.filter_bm |= PBR_FILTER_SRC_PORT; | |
2348 | ||
2349 | if (zpr.rule.filter.dst_port) | |
2350 | zpr.rule.filter.filter_bm |= PBR_FILTER_DST_PORT; | |
2351 | ||
2352 | if (zpr.rule.filter.fwmark) | |
2353 | zpr.rule.filter.filter_bm |= PBR_FILTER_FWMARK; | |
2354 | ||
7f0ea8a4 | 2355 | zpr.vrf_id = zvrf->vrf->vrf_id; |
bf094f69 | 2356 | if (hdr->command == ZEBRA_RULE_ADD) |
7f0ea8a4 | 2357 | zebra_pbr_add_rule(&zpr); |
bf094f69 | 2358 | else |
7f0ea8a4 | 2359 | zebra_pbr_del_rule(&zpr); |
bf094f69 QY |
2360 | } |
2361 | ||
2362 | stream_failure: | |
2363 | return; | |
2364 | } | |
2365 | ||
2366 | static inline void zread_ipset(ZAPI_HANDLER_ARGS) | |
2367 | { | |
2368 | struct zebra_pbr_ipset zpi; | |
2369 | struct stream *s; | |
2370 | uint32_t total, i; | |
2371 | ||
2372 | s = msg; | |
2373 | STREAM_GETL(s, total); | |
2374 | ||
2375 | for (i = 0; i < total; i++) { | |
2376 | memset(&zpi, 0, sizeof(zpi)); | |
2377 | ||
2378 | zpi.sock = client->sock; | |
be2028d1 | 2379 | zpi.vrf_id = zvrf->vrf->vrf_id; |
bf094f69 QY |
2380 | STREAM_GETL(s, zpi.unique); |
2381 | STREAM_GETL(s, zpi.type); | |
2382 | STREAM_GET(&zpi.ipset_name, s, ZEBRA_IPSET_NAME_SIZE); | |
2383 | ||
2384 | if (hdr->command == ZEBRA_IPSET_CREATE) | |
62f20a52 | 2385 | zebra_pbr_create_ipset(&zpi); |
bf094f69 | 2386 | else |
62f20a52 | 2387 | zebra_pbr_destroy_ipset(&zpi); |
bf094f69 QY |
2388 | } |
2389 | ||
2390 | stream_failure: | |
2391 | return; | |
2392 | } | |
2393 | ||
2394 | static inline void zread_ipset_entry(ZAPI_HANDLER_ARGS) | |
2395 | { | |
2396 | struct zebra_pbr_ipset_entry zpi; | |
2397 | struct zebra_pbr_ipset ipset; | |
2398 | struct stream *s; | |
2399 | uint32_t total, i; | |
2400 | ||
2401 | s = msg; | |
2402 | STREAM_GETL(s, total); | |
2403 | ||
2404 | for (i = 0; i < total; i++) { | |
2405 | memset(&zpi, 0, sizeof(zpi)); | |
2406 | memset(&ipset, 0, sizeof(ipset)); | |
2407 | ||
2408 | zpi.sock = client->sock; | |
2409 | STREAM_GETL(s, zpi.unique); | |
2410 | STREAM_GET(&ipset.ipset_name, s, ZEBRA_IPSET_NAME_SIZE); | |
2411 | STREAM_GETC(s, zpi.src.family); | |
2412 | STREAM_GETC(s, zpi.src.prefixlen); | |
2413 | STREAM_GET(&zpi.src.u.prefix, s, prefix_blen(&zpi.src)); | |
2414 | STREAM_GETC(s, zpi.dst.family); | |
2415 | STREAM_GETC(s, zpi.dst.prefixlen); | |
2416 | STREAM_GET(&zpi.dst.u.prefix, s, prefix_blen(&zpi.dst)); | |
2417 | ||
25d760c5 PG |
2418 | STREAM_GETW(s, zpi.src_port_min); |
2419 | STREAM_GETW(s, zpi.src_port_max); | |
2420 | STREAM_GETW(s, zpi.dst_port_min); | |
2421 | STREAM_GETW(s, zpi.dst_port_max); | |
2422 | STREAM_GETC(s, zpi.proto); | |
bf094f69 QY |
2423 | if (!is_default_prefix(&zpi.src)) |
2424 | zpi.filter_bm |= PBR_FILTER_SRC_IP; | |
2425 | ||
2426 | if (!is_default_prefix(&zpi.dst)) | |
2427 | zpi.filter_bm |= PBR_FILTER_DST_IP; | |
be729dd7 | 2428 | if (zpi.dst_port_min != 0 || zpi.proto == IPPROTO_ICMP) |
25d760c5 | 2429 | zpi.filter_bm |= PBR_FILTER_DST_PORT; |
be729dd7 | 2430 | if (zpi.src_port_min != 0 || zpi.proto == IPPROTO_ICMP) |
25d760c5 PG |
2431 | zpi.filter_bm |= PBR_FILTER_SRC_PORT; |
2432 | if (zpi.dst_port_max != 0) | |
2433 | zpi.filter_bm |= PBR_FILTER_DST_PORT_RANGE; | |
2434 | if (zpi.src_port_max != 0) | |
2435 | zpi.filter_bm |= PBR_FILTER_SRC_PORT_RANGE; | |
2436 | if (zpi.proto != 0) | |
2437 | zpi.filter_bm |= PBR_FILTER_PROTO; | |
bf094f69 QY |
2438 | |
2439 | /* calculate backpointer */ | |
62f20a52 DS |
2440 | zpi.backpointer = |
2441 | zebra_pbr_lookup_ipset_pername(ipset.ipset_name); | |
bf094f69 | 2442 | if (hdr->command == ZEBRA_IPSET_ENTRY_ADD) |
62f20a52 | 2443 | zebra_pbr_add_ipset_entry(&zpi); |
bf094f69 | 2444 | else |
62f20a52 | 2445 | zebra_pbr_del_ipset_entry(&zpi); |
bf094f69 QY |
2446 | } |
2447 | ||
2448 | stream_failure: | |
2449 | return; | |
2450 | } | |
2451 | ||
2452 | static inline void zread_iptable(ZAPI_HANDLER_ARGS) | |
2453 | { | |
2454 | struct zebra_pbr_iptable zpi; | |
2455 | struct stream *s; | |
2456 | ||
2457 | s = msg; | |
2458 | ||
2459 | memset(&zpi, 0, sizeof(zpi)); | |
2460 | ||
f80ec7e3 | 2461 | zpi.interface_name_list = list_new(); |
bf094f69 | 2462 | zpi.sock = client->sock; |
be2028d1 | 2463 | zpi.vrf_id = zvrf->vrf->vrf_id; |
bf094f69 QY |
2464 | STREAM_GETL(s, zpi.unique); |
2465 | STREAM_GETL(s, zpi.type); | |
2466 | STREAM_GETL(s, zpi.filter_bm); | |
2467 | STREAM_GETL(s, zpi.action); | |
2468 | STREAM_GETL(s, zpi.fwmark); | |
2469 | STREAM_GET(&zpi.ipset_name, s, ZEBRA_IPSET_NAME_SIZE); | |
e7f7dad4 PG |
2470 | STREAM_GETW(s, zpi.pkt_len_min); |
2471 | STREAM_GETW(s, zpi.pkt_len_max); | |
dc993e76 PG |
2472 | STREAM_GETW(s, zpi.tcp_flags); |
2473 | STREAM_GETW(s, zpi.tcp_mask_flags); | |
4977bd6c | 2474 | STREAM_GETC(s, zpi.dscp_value); |
5ac5b7cc | 2475 | STREAM_GETC(s, zpi.fragment); |
f449d223 | 2476 | STREAM_GETC(s, zpi.protocol); |
f80ec7e3 PG |
2477 | STREAM_GETL(s, zpi.nb_interface); |
2478 | zebra_pbr_iptable_update_interfacelist(s, &zpi); | |
bf094f69 QY |
2479 | |
2480 | if (hdr->command == ZEBRA_IPTABLE_ADD) | |
62f20a52 | 2481 | zebra_pbr_add_iptable(&zpi); |
bf094f69 | 2482 | else |
62f20a52 | 2483 | zebra_pbr_del_iptable(&zpi); |
bf094f69 QY |
2484 | stream_failure: |
2485 | return; | |
2486 | } | |
2487 | ||
2488 | void (*zserv_handlers[])(ZAPI_HANDLER_ARGS) = { | |
2489 | [ZEBRA_ROUTER_ID_ADD] = zread_router_id_add, | |
2490 | [ZEBRA_ROUTER_ID_DELETE] = zread_router_id_delete, | |
2491 | [ZEBRA_INTERFACE_ADD] = zread_interface_add, | |
2492 | [ZEBRA_INTERFACE_DELETE] = zread_interface_delete, | |
c3bd894e | 2493 | [ZEBRA_INTERFACE_SET_PROTODOWN] = zread_interface_set_protodown, |
bf094f69 QY |
2494 | [ZEBRA_ROUTE_ADD] = zread_route_add, |
2495 | [ZEBRA_ROUTE_DELETE] = zread_route_del, | |
bf094f69 QY |
2496 | [ZEBRA_REDISTRIBUTE_ADD] = zebra_redistribute_add, |
2497 | [ZEBRA_REDISTRIBUTE_DELETE] = zebra_redistribute_delete, | |
2498 | [ZEBRA_REDISTRIBUTE_DEFAULT_ADD] = zebra_redistribute_default_add, | |
2499 | [ZEBRA_REDISTRIBUTE_DEFAULT_DELETE] = zebra_redistribute_default_delete, | |
2500 | [ZEBRA_IPV4_NEXTHOP_LOOKUP_MRIB] = zread_ipv4_nexthop_lookup_mrib, | |
2501 | [ZEBRA_HELLO] = zread_hello, | |
2502 | [ZEBRA_NEXTHOP_REGISTER] = zread_rnh_register, | |
2503 | [ZEBRA_NEXTHOP_UNREGISTER] = zread_rnh_unregister, | |
2504 | [ZEBRA_IMPORT_ROUTE_REGISTER] = zread_rnh_register, | |
2505 | [ZEBRA_IMPORT_ROUTE_UNREGISTER] = zread_rnh_unregister, | |
2506 | [ZEBRA_BFD_DEST_UPDATE] = zebra_ptm_bfd_dst_register, | |
2507 | [ZEBRA_BFD_DEST_REGISTER] = zebra_ptm_bfd_dst_register, | |
2508 | [ZEBRA_BFD_DEST_DEREGISTER] = zebra_ptm_bfd_dst_deregister, | |
d3af6147 RZ |
2509 | #if HAVE_BFDD > 0 |
2510 | [ZEBRA_BFD_DEST_REPLAY] = zebra_ptm_bfd_dst_replay, | |
2511 | #endif /* HAVE_BFDD */ | |
bf094f69 QY |
2512 | [ZEBRA_VRF_UNREGISTER] = zread_vrf_unregister, |
2513 | [ZEBRA_VRF_LABEL] = zread_vrf_label, | |
2514 | [ZEBRA_BFD_CLIENT_REGISTER] = zebra_ptm_bfd_client_register, | |
2515 | #if defined(HAVE_RTADV) | |
2516 | [ZEBRA_INTERFACE_ENABLE_RADV] = zebra_interface_radv_enable, | |
2517 | [ZEBRA_INTERFACE_DISABLE_RADV] = zebra_interface_radv_disable, | |
2518 | #else | |
2519 | [ZEBRA_INTERFACE_ENABLE_RADV] = NULL, | |
2520 | [ZEBRA_INTERFACE_DISABLE_RADV] = NULL, | |
2521 | #endif | |
ea6b290b RW |
2522 | [ZEBRA_MPLS_LABELS_ADD] = zread_mpls_labels_add, |
2523 | [ZEBRA_MPLS_LABELS_DELETE] = zread_mpls_labels_delete, | |
2524 | [ZEBRA_MPLS_LABELS_REPLACE] = zread_mpls_labels_replace, | |
bf094f69 QY |
2525 | [ZEBRA_IPMR_ROUTE_STATS] = zebra_ipmr_route_stats, |
2526 | [ZEBRA_LABEL_MANAGER_CONNECT] = zread_label_manager_request, | |
f533be73 | 2527 | [ZEBRA_LABEL_MANAGER_CONNECT_ASYNC] = zread_label_manager_request, |
bf094f69 QY |
2528 | [ZEBRA_GET_LABEL_CHUNK] = zread_label_manager_request, |
2529 | [ZEBRA_RELEASE_LABEL_CHUNK] = zread_label_manager_request, | |
2530 | [ZEBRA_FEC_REGISTER] = zread_fec_register, | |
2531 | [ZEBRA_FEC_UNREGISTER] = zread_fec_unregister, | |
2532 | [ZEBRA_ADVERTISE_DEFAULT_GW] = zebra_vxlan_advertise_gw_macip, | |
278e26de | 2533 | [ZEBRA_ADVERTISE_SVI_MACIP] = zebra_vxlan_advertise_svi_macip, |
bf094f69 QY |
2534 | [ZEBRA_ADVERTISE_SUBNET] = zebra_vxlan_advertise_subnet, |
2535 | [ZEBRA_ADVERTISE_ALL_VNI] = zebra_vxlan_advertise_all_vni, | |
2536 | [ZEBRA_REMOTE_VTEP_ADD] = zebra_vxlan_remote_vtep_add, | |
2537 | [ZEBRA_REMOTE_VTEP_DEL] = zebra_vxlan_remote_vtep_del, | |
2538 | [ZEBRA_REMOTE_MACIP_ADD] = zebra_vxlan_remote_macip_add, | |
2539 | [ZEBRA_REMOTE_MACIP_DEL] = zebra_vxlan_remote_macip_del, | |
3950b52c | 2540 | [ZEBRA_DUPLICATE_ADDR_DETECTION] = zebra_vxlan_dup_addr_detection, |
bf094f69 QY |
2541 | [ZEBRA_INTERFACE_SET_MASTER] = zread_interface_set_master, |
2542 | [ZEBRA_PW_ADD] = zread_pseudowire, | |
2543 | [ZEBRA_PW_DELETE] = zread_pseudowire, | |
2544 | [ZEBRA_PW_SET] = zread_pseudowire, | |
2545 | [ZEBRA_PW_UNSET] = zread_pseudowire, | |
2546 | [ZEBRA_RULE_ADD] = zread_rule, | |
2547 | [ZEBRA_RULE_DELETE] = zread_rule, | |
2548 | [ZEBRA_TABLE_MANAGER_CONNECT] = zread_table_manager_request, | |
2549 | [ZEBRA_GET_TABLE_CHUNK] = zread_table_manager_request, | |
2550 | [ZEBRA_RELEASE_TABLE_CHUNK] = zread_table_manager_request, | |
2551 | [ZEBRA_IPSET_CREATE] = zread_ipset, | |
2552 | [ZEBRA_IPSET_DESTROY] = zread_ipset, | |
2553 | [ZEBRA_IPSET_ENTRY_ADD] = zread_ipset_entry, | |
2554 | [ZEBRA_IPSET_ENTRY_DELETE] = zread_ipset_entry, | |
2555 | [ZEBRA_IPTABLE_ADD] = zread_iptable, | |
2556 | [ZEBRA_IPTABLE_DELETE] = zread_iptable, | |
fbac9605 | 2557 | [ZEBRA_VXLAN_FLOOD_CONTROL] = zebra_vxlan_flood_control, |
ecbbc3a7 | 2558 | [ZEBRA_VXLAN_SG_REPLAY] = zebra_vxlan_sg_replay, |
bf094f69 QY |
2559 | }; |
2560 | ||
727c9b99 QY |
2561 | #if defined(HANDLE_ZAPI_FUZZING) |
2562 | extern struct zebra_privs_t zserv_privs; | |
2563 | ||
2564 | static void zserv_write_incoming(struct stream *orig, uint16_t command) | |
2565 | { | |
2566 | char fname[MAXPATHLEN]; | |
2567 | struct stream *copy; | |
2568 | int fd = -1; | |
2569 | ||
2570 | copy = stream_dup(orig); | |
2571 | stream_set_getp(copy, 0); | |
2572 | ||
3c649c71 | 2573 | snprintf(fname, MAXPATHLEN, "%s/%u", frr_vtydir, command); |
6bb30c2c | 2574 | |
0cf6db21 | 2575 | frr_with_privs(&zserv_privs) { |
6bb30c2c DL |
2576 | fd = open(fname, O_CREAT | O_WRONLY | O_EXCL, 0644); |
2577 | } | |
727c9b99 QY |
2578 | stream_flush(copy, fd); |
2579 | close(fd); | |
727c9b99 QY |
2580 | stream_free(copy); |
2581 | } | |
2582 | #endif | |
2583 | ||
904e0d88 | 2584 | void zserv_handle_commands(struct zserv *client, struct stream *msg) |
bf094f69 | 2585 | { |
904e0d88 QY |
2586 | struct zmsghdr hdr; |
2587 | struct zebra_vrf *zvrf; | |
2588 | ||
2589 | zapi_parse_header(msg, &hdr); | |
bf094f69 | 2590 | |
49b3b01f QY |
2591 | if (IS_ZEBRA_DEBUG_PACKET && IS_ZEBRA_DEBUG_RECV) |
2592 | zserv_log_message(NULL, msg, &hdr); | |
2593 | ||
727c9b99 QY |
2594 | #if defined(HANDLE_ZAPI_FUZZING) |
2595 | zserv_write_incoming(msg, hdr.command); | |
2596 | #endif | |
2597 | ||
904e0d88 QY |
2598 | hdr.length -= ZEBRA_HEADER_SIZE; |
2599 | ||
2600 | /* lookup vrf */ | |
2601 | zvrf = zebra_vrf_lookup_by_id(hdr.vrf_id); | |
2602 | if (!zvrf) { | |
2603 | if (IS_ZEBRA_DEBUG_PACKET && IS_ZEBRA_DEBUG_RECV) | |
9df414fe QY |
2604 | zlog_debug("ZAPI message specifies unknown VRF: %d", |
2605 | hdr.vrf_id); | |
904e0d88 QY |
2606 | return; |
2607 | } | |
2608 | ||
aa360de7 | 2609 | if (hdr.command >= array_size(zserv_handlers) |
904e0d88 QY |
2610 | || zserv_handlers[hdr.command] == NULL) |
2611 | zlog_info("Zebra received unknown command %d", hdr.command); | |
2612 | else | |
2613 | zserv_handlers[hdr.command](client, &hdr, msg, zvrf); | |
bf094f69 | 2614 | } |