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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" | |
60 | #include "zebra/label_manager.h" | |
61 | #include "zebra/zebra_vxlan.h" | |
62 | #include "zebra/rt.h" | |
63 | #include "zebra/zebra_pbr.h" | |
64 | #include "zebra/table_manager.h" | |
65 | #include "zebra/zapi_msg.h" | |
364fed6b | 66 | #include "zebra/zebra_errors.h" |
02c0866d | 67 | #include "zebra/zebra_mlag.h" |
bf094f69 QY |
68 | |
69 | /* Encoding helpers -------------------------------------------------------- */ | |
70 | ||
71 | static void zserv_encode_interface(struct stream *s, struct interface *ifp) | |
72 | { | |
73 | /* Interface information. */ | |
53e60e5c | 74 | struct zebra_if *zif = ifp->info; |
19c38250 | 75 | |
bf094f69 QY |
76 | stream_put(s, ifp->name, INTERFACE_NAMSIZ); |
77 | stream_putl(s, ifp->ifindex); | |
78 | stream_putc(s, ifp->status); | |
79 | stream_putq(s, ifp->flags); | |
80 | stream_putc(s, ifp->ptm_enable); | |
81 | stream_putc(s, ifp->ptm_status); | |
82 | stream_putl(s, ifp->metric); | |
83 | stream_putl(s, ifp->speed); | |
84 | stream_putl(s, ifp->mtu); | |
85 | stream_putl(s, ifp->mtu6); | |
86 | stream_putl(s, ifp->bandwidth); | |
53e60e5c | 87 | stream_putl(s, zif->link_ifindex); |
bf094f69 QY |
88 | stream_putl(s, ifp->ll_type); |
89 | stream_putl(s, ifp->hw_addr_len); | |
90 | if (ifp->hw_addr_len) | |
91 | stream_put(s, ifp->hw_addr, ifp->hw_addr_len); | |
92 | ||
93 | /* Then, Traffic Engineering parameters if any */ | |
94 | if (HAS_LINK_PARAMS(ifp) && IS_LINK_PARAMS_SET(ifp->link_params)) { | |
95 | stream_putc(s, 1); | |
96 | zebra_interface_link_params_write(s, ifp); | |
97 | } else | |
98 | stream_putc(s, 0); | |
99 | ||
100 | /* Write packet size. */ | |
101 | stream_putw_at(s, 0, stream_get_endp(s)); | |
102 | } | |
103 | ||
104 | static void zserv_encode_vrf(struct stream *s, struct zebra_vrf *zvrf) | |
105 | { | |
106 | struct vrf_data data; | |
107 | const char *netns_name = zvrf_ns_name(zvrf); | |
108 | ||
109 | data.l.table_id = zvrf->table_id; | |
110 | ||
111 | if (netns_name) | |
112 | strlcpy(data.l.netns_name, basename((char *)netns_name), | |
113 | NS_NAMSIZ); | |
114 | else | |
115 | memset(data.l.netns_name, 0, NS_NAMSIZ); | |
116 | /* Pass the tableid and the netns NAME */ | |
117 | stream_put(s, &data, sizeof(struct vrf_data)); | |
118 | /* Interface information. */ | |
119 | stream_put(s, zvrf_name(zvrf), VRF_NAMSIZ); | |
120 | /* Write packet size. */ | |
121 | stream_putw_at(s, 0, stream_get_endp(s)); | |
122 | } | |
123 | ||
124 | static int zserv_encode_nexthop(struct stream *s, struct nexthop *nexthop) | |
125 | { | |
a756969d | 126 | stream_putl(s, nexthop->vrf_id); |
bf094f69 QY |
127 | stream_putc(s, nexthop->type); |
128 | switch (nexthop->type) { | |
129 | case NEXTHOP_TYPE_IPV4: | |
130 | case NEXTHOP_TYPE_IPV4_IFINDEX: | |
131 | stream_put_in_addr(s, &nexthop->gate.ipv4); | |
132 | stream_putl(s, nexthop->ifindex); | |
133 | break; | |
134 | case NEXTHOP_TYPE_IPV6: | |
135 | stream_put(s, &nexthop->gate.ipv6, 16); | |
136 | break; | |
137 | case NEXTHOP_TYPE_IPV6_IFINDEX: | |
138 | stream_put(s, &nexthop->gate.ipv6, 16); | |
139 | stream_putl(s, nexthop->ifindex); | |
140 | break; | |
141 | case NEXTHOP_TYPE_IFINDEX: | |
142 | stream_putl(s, nexthop->ifindex); | |
143 | break; | |
144 | default: | |
145 | /* do nothing */ | |
146 | break; | |
147 | } | |
148 | return 1; | |
149 | } | |
150 | ||
151 | /* Send handlers ----------------------------------------------------------- */ | |
152 | ||
153 | /* Interface is added. Send ZEBRA_INTERFACE_ADD to client. */ | |
154 | /* | |
155 | * This function is called in the following situations: | |
156 | * - in response to a 3-byte ZEBRA_INTERFACE_ADD request | |
157 | * from the client. | |
158 | * - at startup, when zebra figures out the available interfaces | |
159 | * - when an interface is added (where support for | |
160 | * RTM_IFANNOUNCE or AF_NETLINK sockets is available), or when | |
161 | * an interface is marked IFF_UP (i.e., an RTM_IFINFO message is | |
162 | * received) | |
163 | */ | |
164 | int zsend_interface_add(struct zserv *client, struct interface *ifp) | |
165 | { | |
166 | struct stream *s = stream_new(ZEBRA_MAX_PACKET_SIZ); | |
167 | ||
a36898e7 | 168 | zclient_create_header(s, ZEBRA_INTERFACE_ADD, ifp->vrf_id); |
bf094f69 QY |
169 | zserv_encode_interface(s, ifp); |
170 | ||
171 | client->ifadd_cnt++; | |
21ccc0cf | 172 | return zserv_send_message(client, s); |
bf094f69 QY |
173 | } |
174 | ||
175 | /* Interface deletion from zebra daemon. */ | |
176 | int zsend_interface_delete(struct zserv *client, struct interface *ifp) | |
177 | { | |
178 | struct stream *s = stream_new(ZEBRA_MAX_PACKET_SIZ); | |
179 | ||
a36898e7 | 180 | zclient_create_header(s, ZEBRA_INTERFACE_DELETE, ifp->vrf_id); |
bf094f69 QY |
181 | zserv_encode_interface(s, ifp); |
182 | ||
183 | client->ifdel_cnt++; | |
21ccc0cf | 184 | return zserv_send_message(client, s); |
bf094f69 QY |
185 | } |
186 | ||
187 | int zsend_vrf_add(struct zserv *client, struct zebra_vrf *zvrf) | |
188 | { | |
189 | struct stream *s = stream_new(ZEBRA_MAX_PACKET_SIZ); | |
190 | ||
191 | zclient_create_header(s, ZEBRA_VRF_ADD, zvrf_id(zvrf)); | |
192 | zserv_encode_vrf(s, zvrf); | |
193 | ||
194 | client->vrfadd_cnt++; | |
21ccc0cf | 195 | return zserv_send_message(client, s); |
bf094f69 QY |
196 | } |
197 | ||
198 | /* VRF deletion from zebra daemon. */ | |
199 | int zsend_vrf_delete(struct zserv *client, struct zebra_vrf *zvrf) | |
200 | ||
201 | { | |
202 | struct stream *s = stream_new(ZEBRA_MAX_PACKET_SIZ); | |
203 | ||
204 | zclient_create_header(s, ZEBRA_VRF_DELETE, zvrf_id(zvrf)); | |
205 | zserv_encode_vrf(s, zvrf); | |
206 | ||
207 | client->vrfdel_cnt++; | |
21ccc0cf | 208 | return zserv_send_message(client, s); |
bf094f69 QY |
209 | } |
210 | ||
211 | int zsend_interface_link_params(struct zserv *client, struct interface *ifp) | |
212 | { | |
213 | struct stream *s = stream_new(ZEBRA_MAX_PACKET_SIZ); | |
214 | ||
bf094f69 QY |
215 | if (!ifp->link_params) { |
216 | stream_free(s); | |
217 | return 0; | |
218 | } | |
219 | ||
a36898e7 | 220 | zclient_create_header(s, ZEBRA_INTERFACE_LINK_PARAMS, ifp->vrf_id); |
bf094f69 QY |
221 | |
222 | /* Add Interface Index */ | |
223 | stream_putl(s, ifp->ifindex); | |
224 | ||
225 | /* Then TE Link Parameters */ | |
226 | if (zebra_interface_link_params_write(s, ifp) == 0) { | |
227 | stream_free(s); | |
228 | return 0; | |
229 | } | |
230 | ||
231 | /* Write packet size. */ | |
232 | stream_putw_at(s, 0, stream_get_endp(s)); | |
233 | ||
21ccc0cf | 234 | return zserv_send_message(client, s); |
bf094f69 QY |
235 | } |
236 | ||
237 | /* Interface address is added/deleted. Send ZEBRA_INTERFACE_ADDRESS_ADD or | |
238 | * ZEBRA_INTERFACE_ADDRESS_DELETE to the client. | |
239 | * | |
240 | * A ZEBRA_INTERFACE_ADDRESS_ADD is sent in the following situations: | |
241 | * - in response to a 3-byte ZEBRA_INTERFACE_ADD request | |
242 | * from the client, after the ZEBRA_INTERFACE_ADD has been | |
243 | * sent from zebra to the client | |
244 | * - redistribute new address info to all clients in the following situations | |
245 | * - at startup, when zebra figures out the available interfaces | |
246 | * - when an interface is added (where support for | |
247 | * RTM_IFANNOUNCE or AF_NETLINK sockets is available), or when | |
248 | * an interface is marked IFF_UP (i.e., an RTM_IFINFO message is | |
249 | * received) | |
b1bd1015 | 250 | * - for the vty commands "ip address A.B.C.D/M [<label LINE>]" |
bf094f69 QY |
251 | * and "no bandwidth <1-10000000>", "ipv6 address X:X::X:X/M" |
252 | * - when an RTM_NEWADDR message is received from the kernel, | |
253 | * | |
254 | * The call tree that triggers ZEBRA_INTERFACE_ADDRESS_DELETE: | |
255 | * | |
256 | * zsend_interface_address(DELETE) | |
257 | * ^ | |
258 | * | | |
259 | * zebra_interface_address_delete_update | |
260 | * ^ ^ ^ | |
261 | * | | if_delete_update | |
262 | * | | | |
263 | * ip_address_uninstall connected_delete_ipv4 | |
264 | * [ipv6_addresss_uninstall] [connected_delete_ipv6] | |
265 | * ^ ^ | |
266 | * | | | |
267 | * | RTM_NEWADDR on routing/netlink socket | |
268 | * | | |
269 | * vty commands: | |
270 | * "no ip address A.B.C.D/M [label LINE]" | |
b1bd1015 | 271 | * "no ip address A.B.C.D/M" |
bf094f69 QY |
272 | * ["no ipv6 address X:X::X:X/M"] |
273 | * | |
274 | */ | |
275 | int zsend_interface_address(int cmd, struct zserv *client, | |
276 | struct interface *ifp, struct connected *ifc) | |
277 | { | |
278 | int blen; | |
279 | struct prefix *p; | |
280 | struct stream *s = stream_new(ZEBRA_MAX_PACKET_SIZ); | |
281 | ||
a36898e7 | 282 | zclient_create_header(s, cmd, ifp->vrf_id); |
bf094f69 QY |
283 | stream_putl(s, ifp->ifindex); |
284 | ||
285 | /* Interface address flag. */ | |
286 | stream_putc(s, ifc->flags); | |
287 | ||
288 | /* Prefix information. */ | |
289 | p = ifc->address; | |
290 | stream_putc(s, p->family); | |
291 | blen = prefix_blen(p); | |
292 | stream_put(s, &p->u.prefix, blen); | |
293 | ||
294 | /* | |
295 | * XXX gnu version does not send prefixlen for | |
296 | * ZEBRA_INTERFACE_ADDRESS_DELETE | |
297 | * but zebra_interface_address_delete_read() in the gnu version | |
298 | * expects to find it | |
299 | */ | |
300 | stream_putc(s, p->prefixlen); | |
301 | ||
302 | /* Destination. */ | |
303 | p = ifc->destination; | |
304 | if (p) | |
305 | stream_put(s, &p->u.prefix, blen); | |
306 | else | |
307 | stream_put(s, NULL, blen); | |
308 | ||
309 | /* Write packet size. */ | |
310 | stream_putw_at(s, 0, stream_get_endp(s)); | |
311 | ||
312 | client->connected_rt_add_cnt++; | |
21ccc0cf | 313 | return zserv_send_message(client, s); |
bf094f69 QY |
314 | } |
315 | ||
316 | static int zsend_interface_nbr_address(int cmd, struct zserv *client, | |
317 | struct interface *ifp, | |
318 | struct nbr_connected *ifc) | |
319 | { | |
320 | int blen; | |
321 | struct stream *s = stream_new(ZEBRA_MAX_PACKET_SIZ); | |
322 | struct prefix *p; | |
323 | ||
a36898e7 | 324 | zclient_create_header(s, cmd, ifp->vrf_id); |
bf094f69 QY |
325 | stream_putl(s, ifp->ifindex); |
326 | ||
327 | /* Prefix information. */ | |
328 | p = ifc->address; | |
329 | stream_putc(s, p->family); | |
330 | blen = prefix_blen(p); | |
331 | stream_put(s, &p->u.prefix, blen); | |
332 | ||
333 | /* | |
334 | * XXX gnu version does not send prefixlen for | |
335 | * ZEBRA_INTERFACE_ADDRESS_DELETE | |
336 | * but zebra_interface_address_delete_read() in the gnu version | |
337 | * expects to find it | |
338 | */ | |
339 | stream_putc(s, p->prefixlen); | |
340 | ||
341 | /* Write packet size. */ | |
342 | stream_putw_at(s, 0, stream_get_endp(s)); | |
343 | ||
21ccc0cf | 344 | return zserv_send_message(client, s); |
bf094f69 QY |
345 | } |
346 | ||
347 | /* Interface address addition. */ | |
348 | static void zebra_interface_nbr_address_add_update(struct interface *ifp, | |
349 | struct nbr_connected *ifc) | |
350 | { | |
351 | struct listnode *node, *nnode; | |
352 | struct zserv *client; | |
353 | struct prefix *p; | |
354 | ||
355 | if (IS_ZEBRA_DEBUG_EVENT) { | |
356 | char buf[INET6_ADDRSTRLEN]; | |
357 | ||
358 | p = ifc->address; | |
359 | zlog_debug( | |
360 | "MESSAGE: ZEBRA_INTERFACE_NBR_ADDRESS_ADD %s/%d on %s", | |
361 | inet_ntop(p->family, &p->u.prefix, buf, | |
362 | INET6_ADDRSTRLEN), | |
363 | p->prefixlen, ifc->ifp->name); | |
364 | } | |
365 | ||
161e9ab7 | 366 | for (ALL_LIST_ELEMENTS(zrouter.client_list, node, nnode, client)) |
bf094f69 QY |
367 | zsend_interface_nbr_address(ZEBRA_INTERFACE_NBR_ADDRESS_ADD, |
368 | client, ifp, ifc); | |
369 | } | |
370 | ||
371 | /* Interface address deletion. */ | |
372 | static void zebra_interface_nbr_address_delete_update(struct interface *ifp, | |
373 | struct nbr_connected *ifc) | |
374 | { | |
375 | struct listnode *node, *nnode; | |
376 | struct zserv *client; | |
377 | struct prefix *p; | |
378 | ||
379 | if (IS_ZEBRA_DEBUG_EVENT) { | |
380 | char buf[INET6_ADDRSTRLEN]; | |
381 | ||
382 | p = ifc->address; | |
383 | zlog_debug( | |
384 | "MESSAGE: ZEBRA_INTERFACE_NBR_ADDRESS_DELETE %s/%d on %s", | |
385 | inet_ntop(p->family, &p->u.prefix, buf, | |
386 | INET6_ADDRSTRLEN), | |
387 | p->prefixlen, ifc->ifp->name); | |
388 | } | |
389 | ||
161e9ab7 | 390 | for (ALL_LIST_ELEMENTS(zrouter.client_list, node, nnode, client)) |
bf094f69 QY |
391 | zsend_interface_nbr_address(ZEBRA_INTERFACE_NBR_ADDRESS_DELETE, |
392 | client, ifp, ifc); | |
393 | } | |
394 | ||
395 | /* Send addresses on interface to client */ | |
396 | int zsend_interface_addresses(struct zserv *client, struct interface *ifp) | |
397 | { | |
398 | struct listnode *cnode, *cnnode; | |
399 | struct connected *c; | |
400 | struct nbr_connected *nc; | |
401 | ||
402 | /* Send interface addresses. */ | |
403 | for (ALL_LIST_ELEMENTS(ifp->connected, cnode, cnnode, c)) { | |
404 | if (!CHECK_FLAG(c->conf, ZEBRA_IFC_REAL)) | |
405 | continue; | |
406 | ||
407 | if (zsend_interface_address(ZEBRA_INTERFACE_ADDRESS_ADD, client, | |
408 | ifp, c) | |
409 | < 0) | |
410 | return -1; | |
411 | } | |
412 | ||
413 | /* Send interface neighbors. */ | |
414 | for (ALL_LIST_ELEMENTS(ifp->nbr_connected, cnode, cnnode, nc)) { | |
415 | if (zsend_interface_nbr_address(ZEBRA_INTERFACE_NBR_ADDRESS_ADD, | |
416 | client, ifp, nc) | |
417 | < 0) | |
418 | return -1; | |
419 | } | |
420 | ||
421 | return 0; | |
422 | } | |
423 | ||
424 | /* Notify client about interface moving from one VRF to another. | |
425 | * Whether client is interested in old and new VRF is checked by caller. | |
426 | */ | |
427 | int zsend_interface_vrf_update(struct zserv *client, struct interface *ifp, | |
428 | vrf_id_t vrf_id) | |
429 | { | |
430 | struct stream *s = stream_new(ZEBRA_MAX_PACKET_SIZ); | |
431 | ||
a36898e7 | 432 | zclient_create_header(s, ZEBRA_INTERFACE_VRF_UPDATE, ifp->vrf_id); |
bf094f69 | 433 | |
91d227b7 RW |
434 | /* Fill in the name of the interface and its new VRF (id) */ |
435 | stream_put(s, ifp->name, INTERFACE_NAMSIZ); | |
bf094f69 QY |
436 | stream_putl(s, vrf_id); |
437 | ||
438 | /* Write packet size. */ | |
439 | stream_putw_at(s, 0, stream_get_endp(s)); | |
440 | ||
441 | client->if_vrfchg_cnt++; | |
21ccc0cf | 442 | return zserv_send_message(client, s); |
bf094f69 QY |
443 | } |
444 | ||
445 | /* Add new nbr connected IPv6 address */ | |
446 | void nbr_connected_add_ipv6(struct interface *ifp, struct in6_addr *address) | |
447 | { | |
448 | struct nbr_connected *ifc; | |
449 | struct prefix p; | |
450 | ||
451 | p.family = AF_INET6; | |
a85297a7 | 452 | IPV6_ADDR_COPY(&p.u.prefix6, address); |
bf094f69 QY |
453 | p.prefixlen = IPV6_MAX_PREFIXLEN; |
454 | ||
8b1766b1 QY |
455 | ifc = listnode_head(ifp->nbr_connected); |
456 | if (!ifc) { | |
bf094f69 QY |
457 | /* new addition */ |
458 | ifc = nbr_connected_new(); | |
459 | ifc->address = prefix_new(); | |
460 | ifc->ifp = ifp; | |
461 | listnode_add(ifp->nbr_connected, ifc); | |
462 | } | |
463 | ||
464 | prefix_copy(ifc->address, &p); | |
465 | ||
466 | zebra_interface_nbr_address_add_update(ifp, ifc); | |
467 | ||
468 | if_nbr_ipv6ll_to_ipv4ll_neigh_update(ifp, address, 1); | |
469 | } | |
470 | ||
471 | void nbr_connected_delete_ipv6(struct interface *ifp, struct in6_addr *address) | |
472 | { | |
473 | struct nbr_connected *ifc; | |
474 | struct prefix p; | |
475 | ||
476 | p.family = AF_INET6; | |
a85297a7 | 477 | IPV6_ADDR_COPY(&p.u.prefix6, address); |
bf094f69 QY |
478 | p.prefixlen = IPV6_MAX_PREFIXLEN; |
479 | ||
480 | ifc = nbr_connected_check(ifp, &p); | |
481 | if (!ifc) | |
482 | return; | |
483 | ||
484 | listnode_delete(ifp->nbr_connected, ifc); | |
485 | ||
486 | zebra_interface_nbr_address_delete_update(ifp, ifc); | |
487 | ||
488 | if_nbr_ipv6ll_to_ipv4ll_neigh_update(ifp, address, 0); | |
489 | ||
490 | nbr_connected_free(ifc); | |
491 | } | |
492 | ||
493 | /* | |
494 | * The cmd passed to zsend_interface_update may be ZEBRA_INTERFACE_UP or | |
495 | * ZEBRA_INTERFACE_DOWN. | |
496 | * | |
497 | * The ZEBRA_INTERFACE_UP message is sent from the zebra server to | |
498 | * the clients in one of 2 situations: | |
499 | * - an if_up is detected e.g., as a result of an RTM_IFINFO message | |
500 | * - a vty command modifying the bandwidth of an interface is received. | |
501 | * The ZEBRA_INTERFACE_DOWN message is sent when an if_down is detected. | |
502 | */ | |
503 | int zsend_interface_update(int cmd, struct zserv *client, struct interface *ifp) | |
504 | { | |
505 | struct stream *s = stream_new(ZEBRA_MAX_PACKET_SIZ); | |
506 | ||
a36898e7 | 507 | zclient_create_header(s, cmd, ifp->vrf_id); |
bf094f69 QY |
508 | zserv_encode_interface(s, ifp); |
509 | ||
510 | if (cmd == ZEBRA_INTERFACE_UP) | |
511 | client->ifup_cnt++; | |
512 | else | |
513 | client->ifdown_cnt++; | |
514 | ||
21ccc0cf | 515 | return zserv_send_message(client, s); |
bf094f69 QY |
516 | } |
517 | ||
86391e56 MS |
518 | int zsend_redistribute_route(int cmd, struct zserv *client, |
519 | const struct prefix *p, | |
520 | const struct prefix *src_p, struct route_entry *re) | |
bf094f69 QY |
521 | { |
522 | struct zapi_route api; | |
523 | struct zapi_nexthop *api_nh; | |
524 | struct nexthop *nexthop; | |
525 | int 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 | ||
562 | /* Nexthops. */ | |
563 | if (re->nexthop_active_num) { | |
564 | SET_FLAG(api.message, ZAPI_MESSAGE_NEXTHOP); | |
565 | api.nexthop_num = re->nexthop_active_num; | |
566 | } | |
567 | for (nexthop = re->ng.nexthop; nexthop; nexthop = nexthop->next) { | |
568 | if (!CHECK_FLAG(nexthop->flags, NEXTHOP_FLAG_ACTIVE)) | |
569 | continue; | |
570 | ||
571 | api_nh = &api.nexthops[count]; | |
572 | api_nh->vrf_id = nexthop->vrf_id; | |
573 | api_nh->type = nexthop->type; | |
574 | switch (nexthop->type) { | |
575 | case NEXTHOP_TYPE_BLACKHOLE: | |
576 | api_nh->bh_type = nexthop->bh_type; | |
577 | break; | |
578 | case NEXTHOP_TYPE_IPV4: | |
579 | api_nh->gate.ipv4 = nexthop->gate.ipv4; | |
580 | break; | |
581 | case NEXTHOP_TYPE_IPV4_IFINDEX: | |
582 | api_nh->gate.ipv4 = nexthop->gate.ipv4; | |
583 | api_nh->ifindex = nexthop->ifindex; | |
584 | break; | |
585 | case NEXTHOP_TYPE_IFINDEX: | |
586 | api_nh->ifindex = nexthop->ifindex; | |
587 | break; | |
588 | case NEXTHOP_TYPE_IPV6: | |
589 | api_nh->gate.ipv6 = nexthop->gate.ipv6; | |
590 | break; | |
591 | case NEXTHOP_TYPE_IPV6_IFINDEX: | |
592 | api_nh->gate.ipv6 = nexthop->gate.ipv6; | |
593 | api_nh->ifindex = nexthop->ifindex; | |
594 | } | |
595 | count++; | |
596 | } | |
597 | ||
598 | /* Attributes. */ | |
599 | SET_FLAG(api.message, ZAPI_MESSAGE_DISTANCE); | |
600 | api.distance = re->distance; | |
601 | SET_FLAG(api.message, ZAPI_MESSAGE_METRIC); | |
602 | api.metric = re->metric; | |
603 | if (re->tag) { | |
604 | SET_FLAG(api.message, ZAPI_MESSAGE_TAG); | |
605 | api.tag = re->tag; | |
606 | } | |
607 | SET_FLAG(api.message, ZAPI_MESSAGE_MTU); | |
608 | api.mtu = re->mtu; | |
609 | ||
f3f45626 | 610 | struct stream *s = stream_new(stream_size); |
bf094f69 QY |
611 | |
612 | /* Encode route and send. */ | |
613 | if (zapi_route_encode(cmd, s, &api) < 0) { | |
614 | stream_free(s); | |
615 | return -1; | |
616 | } | |
617 | ||
618 | if (IS_ZEBRA_DEBUG_SEND) { | |
619 | char buf_prefix[PREFIX_STRLEN]; | |
8b1766b1 | 620 | |
bf094f69 QY |
621 | prefix2str(&api.prefix, buf_prefix, sizeof(buf_prefix)); |
622 | ||
623 | zlog_debug("%s: %s to client %s: type %s, vrf_id %d, p %s", | |
624 | __func__, zserv_command_string(cmd), | |
625 | zebra_route_string(client->proto), | |
626 | zebra_route_string(api.type), api.vrf_id, | |
627 | buf_prefix); | |
628 | } | |
21ccc0cf | 629 | return zserv_send_message(client, s); |
bf094f69 QY |
630 | } |
631 | ||
632 | /* | |
633 | * Modified version of zsend_ipv4_nexthop_lookup(): Query unicast rib if | |
634 | * nexthop is not found on mrib. Returns both route metric and protocol | |
635 | * distance. | |
636 | */ | |
637 | static int zsend_ipv4_nexthop_lookup_mrib(struct zserv *client, | |
638 | struct in_addr addr, | |
639 | struct route_entry *re, | |
640 | struct zebra_vrf *zvrf) | |
641 | { | |
642 | struct stream *s; | |
643 | unsigned long nump; | |
644 | uint8_t num; | |
645 | struct nexthop *nexthop; | |
646 | ||
647 | /* Get output stream. */ | |
648 | s = stream_new(ZEBRA_MAX_PACKET_SIZ); | |
649 | stream_reset(s); | |
650 | ||
651 | /* Fill in result. */ | |
652 | zclient_create_header(s, ZEBRA_IPV4_NEXTHOP_LOOKUP_MRIB, zvrf_id(zvrf)); | |
653 | stream_put_in_addr(s, &addr); | |
654 | ||
655 | if (re) { | |
656 | stream_putc(s, re->distance); | |
657 | stream_putl(s, re->metric); | |
658 | num = 0; | |
8b1766b1 QY |
659 | /* remember position for nexthop_num */ |
660 | nump = stream_get_endp(s); | |
661 | /* reserve room for nexthop_num */ | |
662 | stream_putc(s, 0); | |
663 | /* | |
664 | * Only non-recursive routes are elegible to resolve the | |
665 | * nexthop we are looking up. Therefore, we will just iterate | |
666 | * over the top chain of nexthops. | |
667 | */ | |
bf094f69 QY |
668 | for (nexthop = re->ng.nexthop; nexthop; nexthop = nexthop->next) |
669 | if (CHECK_FLAG(nexthop->flags, NEXTHOP_FLAG_ACTIVE)) | |
670 | num += zserv_encode_nexthop(s, nexthop); | |
671 | ||
8b1766b1 QY |
672 | /* store nexthop_num */ |
673 | stream_putc_at(s, nump, num); | |
bf094f69 QY |
674 | } else { |
675 | stream_putc(s, 0); /* distance */ | |
676 | stream_putl(s, 0); /* metric */ | |
677 | stream_putc(s, 0); /* nexthop_num */ | |
678 | } | |
679 | ||
680 | stream_putw_at(s, 0, stream_get_endp(s)); | |
681 | ||
21ccc0cf | 682 | return zserv_send_message(client, s); |
bf094f69 QY |
683 | } |
684 | ||
86391e56 MS |
685 | /* |
686 | * Common utility send route notification, called from a path using a | |
687 | * route_entry and from a path using a dataplane context. | |
688 | */ | |
689 | static int route_notify_internal(const struct prefix *p, int type, | |
690 | uint16_t instance, vrf_id_t vrf_id, | |
691 | uint32_t table_id, | |
692 | enum zapi_route_notify_owner note) | |
bf094f69 QY |
693 | { |
694 | struct zserv *client; | |
695 | struct stream *s; | |
696 | uint8_t blen; | |
697 | ||
86391e56 | 698 | client = zserv_find_client(type, instance); |
bf094f69 QY |
699 | if (!client || !client->notify_owner) { |
700 | if (IS_ZEBRA_DEBUG_PACKET) { | |
701 | char buff[PREFIX_STRLEN]; | |
702 | ||
703 | zlog_debug( | |
704 | "Not Notifying Owner: %u about prefix %s(%u) %d vrf: %u", | |
86391e56 MS |
705 | type, prefix2str(p, buff, sizeof(buff)), |
706 | table_id, note, vrf_id); | |
bf094f69 QY |
707 | } |
708 | return 0; | |
709 | } | |
710 | ||
711 | if (IS_ZEBRA_DEBUG_PACKET) { | |
712 | char buff[PREFIX_STRLEN]; | |
713 | ||
714 | zlog_debug("Notifying Owner: %u about prefix %s(%u) %d vrf: %u", | |
86391e56 MS |
715 | type, prefix2str(p, buff, sizeof(buff)), |
716 | table_id, note, vrf_id); | |
bf094f69 QY |
717 | } |
718 | ||
719 | s = stream_new(ZEBRA_MAX_PACKET_SIZ); | |
720 | stream_reset(s); | |
721 | ||
86391e56 | 722 | zclient_create_header(s, ZEBRA_ROUTE_NOTIFY_OWNER, vrf_id); |
bf094f69 QY |
723 | |
724 | stream_put(s, ¬e, sizeof(note)); | |
725 | ||
726 | stream_putc(s, p->family); | |
727 | ||
728 | blen = prefix_blen(p); | |
729 | stream_putc(s, p->prefixlen); | |
730 | stream_put(s, &p->u.prefix, blen); | |
731 | ||
86391e56 | 732 | stream_putl(s, table_id); |
bf094f69 QY |
733 | |
734 | stream_putw_at(s, 0, stream_get_endp(s)); | |
735 | ||
21ccc0cf | 736 | return zserv_send_message(client, s); |
bf094f69 QY |
737 | } |
738 | ||
86391e56 MS |
739 | int zsend_route_notify_owner(struct route_entry *re, const struct prefix *p, |
740 | enum zapi_route_notify_owner note) | |
741 | { | |
742 | return (route_notify_internal(p, re->type, re->instance, re->vrf_id, | |
743 | re->table, note)); | |
744 | } | |
745 | ||
7cdb1a84 MS |
746 | /* |
747 | * Route-owner notification using info from dataplane update context. | |
748 | */ | |
25779064 | 749 | int zsend_route_notify_owner_ctx(const struct zebra_dplane_ctx *ctx, |
7cdb1a84 MS |
750 | enum zapi_route_notify_owner note) |
751 | { | |
752 | return (route_notify_internal(dplane_ctx_get_dest(ctx), | |
753 | dplane_ctx_get_type(ctx), | |
754 | dplane_ctx_get_instance(ctx), | |
755 | dplane_ctx_get_vrf(ctx), | |
756 | dplane_ctx_get_table(ctx), | |
757 | note)); | |
86391e56 MS |
758 | } |
759 | ||
bf094f69 QY |
760 | void zsend_rule_notify_owner(struct zebra_pbr_rule *rule, |
761 | enum zapi_rule_notify_owner note) | |
762 | { | |
763 | struct listnode *node; | |
764 | struct zserv *client; | |
765 | struct stream *s; | |
766 | ||
767 | if (IS_ZEBRA_DEBUG_PACKET) | |
768 | zlog_debug("%s: Notifying %u", __PRETTY_FUNCTION__, | |
769 | rule->rule.unique); | |
770 | ||
161e9ab7 | 771 | for (ALL_LIST_ELEMENTS_RO(zrouter.client_list, node, client)) { |
bf094f69 QY |
772 | if (rule->sock == client->sock) |
773 | break; | |
774 | } | |
775 | ||
776 | if (!client) | |
777 | return; | |
778 | ||
779 | s = stream_new(ZEBRA_MAX_PACKET_SIZ); | |
780 | ||
781 | zclient_create_header(s, ZEBRA_RULE_NOTIFY_OWNER, VRF_DEFAULT); | |
782 | stream_put(s, ¬e, sizeof(note)); | |
783 | stream_putl(s, rule->rule.seq); | |
784 | stream_putl(s, rule->rule.priority); | |
785 | stream_putl(s, rule->rule.unique); | |
786 | if (rule->ifp) | |
787 | stream_putl(s, rule->ifp->ifindex); | |
788 | else | |
789 | stream_putl(s, 0); | |
790 | ||
791 | stream_putw_at(s, 0, stream_get_endp(s)); | |
792 | ||
21ccc0cf | 793 | zserv_send_message(client, s); |
bf094f69 QY |
794 | } |
795 | ||
796 | void zsend_ipset_notify_owner(struct zebra_pbr_ipset *ipset, | |
797 | enum zapi_ipset_notify_owner note) | |
798 | { | |
799 | struct listnode *node; | |
800 | struct zserv *client; | |
801 | struct stream *s; | |
802 | ||
803 | if (IS_ZEBRA_DEBUG_PACKET) | |
804 | zlog_debug("%s: Notifying %u", __PRETTY_FUNCTION__, | |
805 | ipset->unique); | |
806 | ||
161e9ab7 | 807 | for (ALL_LIST_ELEMENTS_RO(zrouter.client_list, node, client)) { |
bf094f69 QY |
808 | if (ipset->sock == client->sock) |
809 | break; | |
810 | } | |
811 | ||
812 | if (!client) | |
813 | return; | |
814 | ||
815 | s = stream_new(ZEBRA_MAX_PACKET_SIZ); | |
816 | ||
817 | zclient_create_header(s, ZEBRA_IPSET_NOTIFY_OWNER, VRF_DEFAULT); | |
818 | stream_put(s, ¬e, sizeof(note)); | |
819 | stream_putl(s, ipset->unique); | |
820 | stream_put(s, ipset->ipset_name, ZEBRA_IPSET_NAME_SIZE); | |
821 | stream_putw_at(s, 0, stream_get_endp(s)); | |
822 | ||
21ccc0cf | 823 | zserv_send_message(client, s); |
bf094f69 QY |
824 | } |
825 | ||
826 | void zsend_ipset_entry_notify_owner(struct zebra_pbr_ipset_entry *ipset, | |
827 | enum zapi_ipset_entry_notify_owner note) | |
828 | { | |
829 | struct listnode *node; | |
830 | struct zserv *client; | |
831 | struct stream *s; | |
832 | ||
833 | if (IS_ZEBRA_DEBUG_PACKET) | |
834 | zlog_debug("%s: Notifying %u", __PRETTY_FUNCTION__, | |
835 | ipset->unique); | |
836 | ||
161e9ab7 | 837 | for (ALL_LIST_ELEMENTS_RO(zrouter.client_list, node, client)) { |
bf094f69 QY |
838 | if (ipset->sock == client->sock) |
839 | break; | |
840 | } | |
841 | ||
842 | if (!client) | |
843 | return; | |
844 | ||
845 | s = stream_new(ZEBRA_MAX_PACKET_SIZ); | |
846 | ||
847 | zclient_create_header(s, ZEBRA_IPSET_ENTRY_NOTIFY_OWNER, VRF_DEFAULT); | |
848 | stream_put(s, ¬e, sizeof(note)); | |
849 | stream_putl(s, ipset->unique); | |
850 | stream_put(s, ipset->backpointer->ipset_name, ZEBRA_IPSET_NAME_SIZE); | |
851 | stream_putw_at(s, 0, stream_get_endp(s)); | |
852 | ||
21ccc0cf | 853 | zserv_send_message(client, s); |
bf094f69 QY |
854 | } |
855 | ||
856 | void zsend_iptable_notify_owner(struct zebra_pbr_iptable *iptable, | |
857 | enum zapi_iptable_notify_owner note) | |
858 | { | |
859 | struct listnode *node; | |
860 | struct zserv *client; | |
861 | struct stream *s; | |
862 | ||
863 | if (IS_ZEBRA_DEBUG_PACKET) | |
864 | zlog_debug("%s: Notifying %u", __PRETTY_FUNCTION__, | |
865 | iptable->unique); | |
866 | ||
161e9ab7 | 867 | for (ALL_LIST_ELEMENTS_RO(zrouter.client_list, node, client)) { |
bf094f69 QY |
868 | if (iptable->sock == client->sock) |
869 | break; | |
870 | } | |
871 | ||
872 | if (!client) | |
873 | return; | |
874 | ||
875 | s = stream_new(ZEBRA_MAX_PACKET_SIZ); | |
876 | ||
877 | zclient_create_header(s, ZEBRA_IPTABLE_NOTIFY_OWNER, VRF_DEFAULT); | |
878 | stream_put(s, ¬e, sizeof(note)); | |
879 | stream_putl(s, iptable->unique); | |
880 | stream_putw_at(s, 0, stream_get_endp(s)); | |
881 | ||
21ccc0cf | 882 | zserv_send_message(client, s); |
bf094f69 QY |
883 | } |
884 | ||
885 | /* Router-id is updated. Send ZEBRA_ROUTER_ID_ADD to client. */ | |
886 | int zsend_router_id_update(struct zserv *client, struct prefix *p, | |
887 | vrf_id_t vrf_id) | |
888 | { | |
889 | int blen; | |
890 | ||
891 | /* Check this client need interface information. */ | |
892 | if (!vrf_bitmap_check(client->ridinfo, vrf_id)) | |
893 | return 0; | |
894 | ||
895 | struct stream *s = stream_new(ZEBRA_MAX_PACKET_SIZ); | |
896 | ||
897 | /* Message type. */ | |
898 | zclient_create_header(s, ZEBRA_ROUTER_ID_UPDATE, vrf_id); | |
899 | ||
900 | /* Prefix information. */ | |
901 | stream_putc(s, p->family); | |
902 | blen = prefix_blen(p); | |
903 | stream_put(s, &p->u.prefix, blen); | |
904 | stream_putc(s, p->prefixlen); | |
905 | ||
906 | /* Write packet size. */ | |
907 | stream_putw_at(s, 0, stream_get_endp(s)); | |
908 | ||
21ccc0cf | 909 | return zserv_send_message(client, s); |
bf094f69 QY |
910 | } |
911 | ||
912 | /* | |
913 | * Function used by Zebra to send a PW status update to LDP daemon | |
914 | */ | |
915 | int zsend_pw_update(struct zserv *client, struct zebra_pw *pw) | |
916 | { | |
917 | struct stream *s = stream_new(ZEBRA_MAX_PACKET_SIZ); | |
918 | ||
919 | zclient_create_header(s, ZEBRA_PW_STATUS_UPDATE, pw->vrf_id); | |
920 | stream_write(s, pw->ifname, IF_NAMESIZE); | |
921 | stream_putl(s, pw->ifindex); | |
922 | stream_putl(s, pw->status); | |
923 | ||
924 | /* Put length at the first point of the stream. */ | |
925 | stream_putw_at(s, 0, stream_get_endp(s)); | |
926 | ||
21ccc0cf | 927 | return zserv_send_message(client, s); |
bf094f69 QY |
928 | } |
929 | ||
930 | /* Send response to a get label chunk request to client */ | |
931 | static int zsend_assign_label_chunk_response(struct zserv *client, | |
932 | vrf_id_t vrf_id, | |
933 | struct label_manager_chunk *lmc) | |
934 | { | |
935 | int ret; | |
936 | struct stream *s = stream_new(ZEBRA_MAX_PACKET_SIZ); | |
937 | ||
938 | zclient_create_header(s, ZEBRA_GET_LABEL_CHUNK, vrf_id); | |
939 | ||
940 | if (lmc) { | |
5dffb0e9 FR |
941 | /* proto */ |
942 | stream_putc(s, lmc->proto); | |
943 | /* instance */ | |
944 | stream_putw(s, lmc->instance); | |
bf094f69 QY |
945 | /* keep */ |
946 | stream_putc(s, lmc->keep); | |
947 | /* start and end labels */ | |
948 | stream_putl(s, lmc->start); | |
949 | stream_putl(s, lmc->end); | |
950 | } | |
951 | ||
952 | /* Write packet size. */ | |
953 | stream_putw_at(s, 0, stream_get_endp(s)); | |
954 | ||
955 | ret = writen(client->sock, s->data, stream_get_endp(s)); | |
956 | stream_free(s); | |
957 | return ret; | |
958 | } | |
959 | ||
960 | /* Send response to a label manager connect request to client */ | |
961 | static int zsend_label_manager_connect_response(struct zserv *client, | |
962 | vrf_id_t vrf_id, | |
963 | unsigned short result) | |
964 | { | |
965 | int ret; | |
966 | struct stream *s = stream_new(ZEBRA_MAX_PACKET_SIZ); | |
967 | ||
968 | zclient_create_header(s, ZEBRA_LABEL_MANAGER_CONNECT, vrf_id); | |
969 | ||
5dffb0e9 FR |
970 | /* proto */ |
971 | stream_putc(s, client->proto); | |
972 | ||
973 | /* instance */ | |
974 | stream_putw(s, client->instance); | |
975 | ||
bf094f69 QY |
976 | /* result */ |
977 | stream_putc(s, result); | |
978 | ||
979 | /* Write packet size. */ | |
980 | stream_putw_at(s, 0, stream_get_endp(s)); | |
981 | ||
982 | ret = writen(client->sock, s->data, stream_get_endp(s)); | |
983 | stream_free(s); | |
984 | ||
985 | return ret; | |
986 | } | |
987 | ||
988 | /* Send response to a get table chunk request to client */ | |
989 | static int zsend_assign_table_chunk_response(struct zserv *client, | |
990 | vrf_id_t vrf_id, | |
991 | struct table_manager_chunk *tmc) | |
992 | { | |
993 | struct stream *s = stream_new(ZEBRA_MAX_PACKET_SIZ); | |
994 | ||
995 | zclient_create_header(s, ZEBRA_GET_TABLE_CHUNK, vrf_id); | |
996 | ||
997 | if (tmc) { | |
998 | /* start and end labels */ | |
999 | stream_putl(s, tmc->start); | |
1000 | stream_putl(s, tmc->end); | |
1001 | } | |
1002 | ||
1003 | /* Write packet size. */ | |
1004 | stream_putw_at(s, 0, stream_get_endp(s)); | |
1005 | ||
21ccc0cf | 1006 | return zserv_send_message(client, s); |
bf094f69 QY |
1007 | } |
1008 | ||
1009 | static int zsend_table_manager_connect_response(struct zserv *client, | |
1010 | vrf_id_t vrf_id, | |
1011 | uint16_t result) | |
1012 | { | |
1013 | struct stream *s = stream_new(ZEBRA_MAX_PACKET_SIZ); | |
1014 | ||
1015 | zclient_create_header(s, ZEBRA_TABLE_MANAGER_CONNECT, vrf_id); | |
1016 | ||
1017 | /* result */ | |
1018 | stream_putc(s, result); | |
1019 | ||
1020 | stream_putw_at(s, 0, stream_get_endp(s)); | |
1021 | ||
21ccc0cf | 1022 | return zserv_send_message(client, s); |
bf094f69 QY |
1023 | } |
1024 | ||
1025 | /* Inbound message handling ------------------------------------------------ */ | |
1026 | ||
1027 | int cmd2type[] = { | |
1028 | [ZEBRA_NEXTHOP_REGISTER] = RNH_NEXTHOP_TYPE, | |
1029 | [ZEBRA_NEXTHOP_UNREGISTER] = RNH_NEXTHOP_TYPE, | |
1030 | [ZEBRA_IMPORT_ROUTE_REGISTER] = RNH_IMPORT_CHECK_TYPE, | |
1031 | [ZEBRA_IMPORT_ROUTE_UNREGISTER] = RNH_IMPORT_CHECK_TYPE, | |
1032 | }; | |
1033 | ||
1034 | /* Nexthop register */ | |
1035 | static void zread_rnh_register(ZAPI_HANDLER_ARGS) | |
1036 | { | |
1037 | struct rnh *rnh; | |
1038 | struct stream *s; | |
1039 | struct prefix p; | |
1040 | unsigned short l = 0; | |
1041 | uint8_t flags = 0; | |
1042 | uint16_t type = cmd2type[hdr->command]; | |
1d30d1f4 | 1043 | bool exist; |
906b54dd DS |
1044 | bool flag_changed = false; |
1045 | uint8_t orig_flags; | |
bf094f69 QY |
1046 | |
1047 | if (IS_ZEBRA_DEBUG_NHT) | |
1048 | zlog_debug( | |
1049 | "rnh_register msg from client %s: hdr->length=%d, type=%s vrf=%u\n", | |
1050 | zebra_route_string(client->proto), hdr->length, | |
1051 | (type == RNH_NEXTHOP_TYPE) ? "nexthop" : "route", | |
1052 | zvrf->vrf->vrf_id); | |
1053 | ||
1054 | s = msg; | |
1055 | ||
1056 | client->nh_reg_time = monotime(NULL); | |
1057 | ||
1058 | while (l < hdr->length) { | |
1059 | STREAM_GETC(s, flags); | |
1060 | STREAM_GETW(s, p.family); | |
1061 | STREAM_GETC(s, p.prefixlen); | |
1062 | l += 4; | |
1063 | if (p.family == AF_INET) { | |
ab5990d8 | 1064 | client->v4_nh_watch_add_cnt++; |
bf094f69 | 1065 | if (p.prefixlen > IPV4_MAX_BITLEN) { |
9df414fe | 1066 | zlog_debug( |
bf094f69 QY |
1067 | "%s: Specified prefix hdr->length %d is too large for a v4 address", |
1068 | __PRETTY_FUNCTION__, p.prefixlen); | |
1069 | return; | |
1070 | } | |
1071 | STREAM_GET(&p.u.prefix4.s_addr, s, IPV4_MAX_BYTELEN); | |
1072 | l += IPV4_MAX_BYTELEN; | |
1073 | } else if (p.family == AF_INET6) { | |
ab5990d8 | 1074 | client->v6_nh_watch_add_cnt++; |
bf094f69 | 1075 | if (p.prefixlen > IPV6_MAX_BITLEN) { |
9df414fe | 1076 | zlog_debug( |
bf094f69 QY |
1077 | "%s: Specified prefix hdr->length %d is to large for a v6 address", |
1078 | __PRETTY_FUNCTION__, p.prefixlen); | |
1079 | return; | |
1080 | } | |
1081 | STREAM_GET(&p.u.prefix6, s, IPV6_MAX_BYTELEN); | |
1082 | l += IPV6_MAX_BYTELEN; | |
1083 | } else { | |
af4c2728 | 1084 | flog_err( |
e914ccbe | 1085 | EC_ZEBRA_UNKNOWN_FAMILY, |
bf094f69 QY |
1086 | "rnh_register: Received unknown family type %d\n", |
1087 | p.family); | |
1088 | return; | |
1089 | } | |
1d30d1f4 DS |
1090 | rnh = zebra_add_rnh(&p, zvrf_id(zvrf), type, &exist); |
1091 | if (!rnh) | |
1092 | return; | |
1093 | ||
906b54dd | 1094 | orig_flags = rnh->flags; |
bf094f69 QY |
1095 | if (type == RNH_NEXTHOP_TYPE) { |
1096 | if (flags | |
1097 | && !CHECK_FLAG(rnh->flags, ZEBRA_NHT_CONNECTED)) | |
1098 | SET_FLAG(rnh->flags, ZEBRA_NHT_CONNECTED); | |
1099 | else if (!flags | |
1100 | && CHECK_FLAG(rnh->flags, ZEBRA_NHT_CONNECTED)) | |
1101 | UNSET_FLAG(rnh->flags, ZEBRA_NHT_CONNECTED); | |
1102 | } else if (type == RNH_IMPORT_CHECK_TYPE) { | |
1103 | if (flags | |
1104 | && !CHECK_FLAG(rnh->flags, ZEBRA_NHT_EXACT_MATCH)) | |
1105 | SET_FLAG(rnh->flags, ZEBRA_NHT_EXACT_MATCH); | |
1106 | else if (!flags | |
1107 | && CHECK_FLAG(rnh->flags, | |
1108 | ZEBRA_NHT_EXACT_MATCH)) | |
1109 | UNSET_FLAG(rnh->flags, ZEBRA_NHT_EXACT_MATCH); | |
1110 | } | |
1111 | ||
906b54dd DS |
1112 | if (orig_flags != rnh->flags) |
1113 | flag_changed = true; | |
1114 | ||
bf094f69 | 1115 | /* Anything not AF_INET/INET6 has been filtered out above */ |
906b54dd | 1116 | if (!exist || flag_changed) |
73bf60a0 RW |
1117 | zebra_evaluate_rnh(zvrf, family2afi(p.family), 1, type, |
1118 | &p); | |
dd25a6b3 DS |
1119 | |
1120 | zebra_add_rnh_client(rnh, client, type, zvrf_id(zvrf)); | |
bf094f69 QY |
1121 | } |
1122 | ||
1123 | stream_failure: | |
1124 | return; | |
1125 | } | |
1126 | ||
1127 | /* Nexthop register */ | |
1128 | static void zread_rnh_unregister(ZAPI_HANDLER_ARGS) | |
1129 | { | |
1130 | struct rnh *rnh; | |
1131 | struct stream *s; | |
1132 | struct prefix p; | |
1133 | unsigned short l = 0; | |
1134 | uint16_t type = cmd2type[hdr->command]; | |
1135 | ||
1136 | if (IS_ZEBRA_DEBUG_NHT) | |
1137 | zlog_debug( | |
1138 | "rnh_unregister msg from client %s: hdr->length=%d vrf: %u\n", | |
1139 | zebra_route_string(client->proto), hdr->length, | |
1140 | zvrf->vrf->vrf_id); | |
1141 | ||
1142 | s = msg; | |
1143 | ||
1144 | while (l < hdr->length) { | |
1145 | uint8_t flags; | |
1146 | ||
1147 | STREAM_GETC(s, flags); | |
1148 | if (flags != 0) | |
1149 | goto stream_failure; | |
1150 | ||
1151 | STREAM_GETW(s, p.family); | |
1152 | STREAM_GETC(s, p.prefixlen); | |
1153 | l += 4; | |
1154 | if (p.family == AF_INET) { | |
ab5990d8 | 1155 | client->v4_nh_watch_rem_cnt++; |
bf094f69 | 1156 | if (p.prefixlen > IPV4_MAX_BITLEN) { |
9df414fe | 1157 | zlog_debug( |
bf094f69 QY |
1158 | "%s: Specified prefix hdr->length %d is to large for a v4 address", |
1159 | __PRETTY_FUNCTION__, p.prefixlen); | |
1160 | return; | |
1161 | } | |
1162 | STREAM_GET(&p.u.prefix4.s_addr, s, IPV4_MAX_BYTELEN); | |
1163 | l += IPV4_MAX_BYTELEN; | |
1164 | } else if (p.family == AF_INET6) { | |
ab5990d8 | 1165 | client->v6_nh_watch_rem_cnt++; |
bf094f69 | 1166 | if (p.prefixlen > IPV6_MAX_BITLEN) { |
9df414fe | 1167 | zlog_debug( |
bf094f69 QY |
1168 | "%s: Specified prefix hdr->length %d is to large for a v6 address", |
1169 | __PRETTY_FUNCTION__, p.prefixlen); | |
1170 | return; | |
1171 | } | |
1172 | STREAM_GET(&p.u.prefix6, s, IPV6_MAX_BYTELEN); | |
1173 | l += IPV6_MAX_BYTELEN; | |
1174 | } else { | |
af4c2728 | 1175 | flog_err( |
e914ccbe | 1176 | EC_ZEBRA_UNKNOWN_FAMILY, |
bf094f69 QY |
1177 | "rnh_register: Received unknown family type %d\n", |
1178 | p.family); | |
1179 | return; | |
1180 | } | |
1181 | rnh = zebra_lookup_rnh(&p, zvrf_id(zvrf), type); | |
1182 | if (rnh) { | |
1183 | client->nh_dereg_time = monotime(NULL); | |
1184 | zebra_remove_rnh_client(rnh, client, type); | |
1185 | } | |
1186 | } | |
1187 | stream_failure: | |
1188 | return; | |
1189 | } | |
1190 | ||
1191 | #define ZEBRA_MIN_FEC_LENGTH 5 | |
1192 | ||
1193 | /* FEC register */ | |
1194 | static void zread_fec_register(ZAPI_HANDLER_ARGS) | |
1195 | { | |
1196 | struct stream *s; | |
1197 | unsigned short l = 0; | |
1198 | struct prefix p; | |
1199 | uint16_t flags; | |
57592a53 | 1200 | uint32_t label = MPLS_INVALID_LABEL; |
bf094f69 QY |
1201 | uint32_t label_index = MPLS_INVALID_LABEL_INDEX; |
1202 | ||
1203 | s = msg; | |
1204 | zvrf = vrf_info_lookup(VRF_DEFAULT); | |
1205 | if (!zvrf) | |
8b1766b1 | 1206 | return; |
bf094f69 QY |
1207 | |
1208 | /* | |
1209 | * The minimum amount of data that can be sent for one fec | |
1210 | * registration | |
1211 | */ | |
1212 | if (hdr->length < ZEBRA_MIN_FEC_LENGTH) { | |
af4c2728 | 1213 | flog_err( |
e914ccbe | 1214 | EC_ZEBRA_IRDP_LEN_MISMATCH, |
bf094f69 QY |
1215 | "fec_register: Received a fec register of hdr->length %d, it is of insufficient size to properly decode", |
1216 | hdr->length); | |
1217 | return; | |
1218 | } | |
1219 | ||
1220 | while (l < hdr->length) { | |
1221 | STREAM_GETW(s, flags); | |
1222 | memset(&p, 0, sizeof(p)); | |
1223 | STREAM_GETW(s, p.family); | |
1224 | if (p.family != AF_INET && p.family != AF_INET6) { | |
af4c2728 | 1225 | flog_err( |
e914ccbe | 1226 | EC_ZEBRA_UNKNOWN_FAMILY, |
bf094f69 QY |
1227 | "fec_register: Received unknown family type %d\n", |
1228 | p.family); | |
1229 | return; | |
1230 | } | |
1231 | STREAM_GETC(s, p.prefixlen); | |
1232 | if ((p.family == AF_INET && p.prefixlen > IPV4_MAX_BITLEN) | |
1233 | || (p.family == AF_INET6 | |
1234 | && p.prefixlen > IPV6_MAX_BITLEN)) { | |
9df414fe | 1235 | zlog_debug( |
bf094f69 QY |
1236 | "%s: Specified prefix hdr->length: %d is to long for %d", |
1237 | __PRETTY_FUNCTION__, p.prefixlen, p.family); | |
1238 | return; | |
1239 | } | |
1240 | l += 5; | |
1241 | STREAM_GET(&p.u.prefix, s, PSIZE(p.prefixlen)); | |
1242 | l += PSIZE(p.prefixlen); | |
57592a53 AD |
1243 | if (flags & ZEBRA_FEC_REGISTER_LABEL) { |
1244 | STREAM_GETL(s, label); | |
1245 | l += 4; | |
1246 | } else if (flags & ZEBRA_FEC_REGISTER_LABEL_INDEX) { | |
bf094f69 QY |
1247 | STREAM_GETL(s, label_index); |
1248 | l += 4; | |
57592a53 AD |
1249 | } |
1250 | ||
1251 | zebra_mpls_fec_register(zvrf, &p, label, label_index, client); | |
bf094f69 QY |
1252 | } |
1253 | ||
1254 | stream_failure: | |
1255 | return; | |
1256 | } | |
1257 | ||
1258 | /* FEC unregister */ | |
1259 | static void zread_fec_unregister(ZAPI_HANDLER_ARGS) | |
1260 | { | |
1261 | struct stream *s; | |
1262 | unsigned short l = 0; | |
1263 | struct prefix p; | |
1264 | uint16_t flags; | |
1265 | ||
1266 | s = msg; | |
1267 | zvrf = vrf_info_lookup(VRF_DEFAULT); | |
1268 | if (!zvrf) | |
8b1766b1 | 1269 | return; |
bf094f69 QY |
1270 | |
1271 | /* | |
1272 | * The minimum amount of data that can be sent for one | |
1273 | * fec unregistration | |
1274 | */ | |
1275 | if (hdr->length < ZEBRA_MIN_FEC_LENGTH) { | |
af4c2728 | 1276 | flog_err( |
e914ccbe | 1277 | EC_ZEBRA_IRDP_LEN_MISMATCH, |
bf094f69 QY |
1278 | "fec_unregister: Received a fec unregister of hdr->length %d, it is of insufficient size to properly decode", |
1279 | hdr->length); | |
1280 | return; | |
1281 | } | |
1282 | ||
1283 | while (l < hdr->length) { | |
1284 | STREAM_GETW(s, flags); | |
1285 | if (flags != 0) | |
1286 | goto stream_failure; | |
1287 | ||
1288 | memset(&p, 0, sizeof(p)); | |
1289 | STREAM_GETW(s, p.family); | |
1290 | if (p.family != AF_INET && p.family != AF_INET6) { | |
af4c2728 | 1291 | flog_err( |
e914ccbe | 1292 | EC_ZEBRA_UNKNOWN_FAMILY, |
bf094f69 QY |
1293 | "fec_unregister: Received unknown family type %d\n", |
1294 | p.family); | |
1295 | return; | |
1296 | } | |
1297 | STREAM_GETC(s, p.prefixlen); | |
1298 | if ((p.family == AF_INET && p.prefixlen > IPV4_MAX_BITLEN) | |
1299 | || (p.family == AF_INET6 | |
1300 | && p.prefixlen > IPV6_MAX_BITLEN)) { | |
9df414fe | 1301 | zlog_debug( |
bf094f69 QY |
1302 | "%s: Received prefix hdr->length %d which is greater than %d can support", |
1303 | __PRETTY_FUNCTION__, p.prefixlen, p.family); | |
1304 | return; | |
1305 | } | |
1306 | l += 5; | |
1307 | STREAM_GET(&p.u.prefix, s, PSIZE(p.prefixlen)); | |
1308 | l += PSIZE(p.prefixlen); | |
1309 | zebra_mpls_fec_unregister(zvrf, &p, client); | |
1310 | } | |
1311 | ||
1312 | stream_failure: | |
1313 | return; | |
1314 | } | |
1315 | ||
1316 | ||
1317 | /* | |
1318 | * Register zebra server interface information. | |
1319 | * Send current all interface and address information. | |
1320 | */ | |
1321 | static void zread_interface_add(ZAPI_HANDLER_ARGS) | |
1322 | { | |
1323 | struct vrf *vrf; | |
1324 | struct interface *ifp; | |
1325 | ||
bf094f69 QY |
1326 | RB_FOREACH (vrf, vrf_id_head, &vrfs_by_id) { |
1327 | FOR_ALL_INTERFACES (vrf, ifp) { | |
1328 | /* Skip pseudo interface. */ | |
1329 | if (!CHECK_FLAG(ifp->status, ZEBRA_INTERFACE_ACTIVE)) | |
1330 | continue; | |
1331 | ||
1332 | zsend_interface_add(client, ifp); | |
27ecbea3 | 1333 | zsend_interface_link_params(client, ifp); |
bf094f69 QY |
1334 | zsend_interface_addresses(client, ifp); |
1335 | } | |
1336 | } | |
1337 | } | |
1338 | ||
1339 | /* Unregister zebra server interface information. */ | |
1340 | static void zread_interface_delete(ZAPI_HANDLER_ARGS) | |
1341 | { | |
bf094f69 QY |
1342 | } |
1343 | ||
c3bd894e QY |
1344 | /* |
1345 | * Handle message requesting interface be set up or down. | |
1346 | */ | |
1347 | static void zread_interface_set_protodown(ZAPI_HANDLER_ARGS) | |
1348 | { | |
1349 | ifindex_t ifindex; | |
1350 | struct interface *ifp; | |
1351 | char down; | |
1352 | ||
1353 | STREAM_GETL(msg, ifindex); | |
1354 | STREAM_GETC(msg, down); | |
1355 | ||
1356 | /* set ifdown */ | |
1357 | ifp = if_lookup_by_index_per_ns(zebra_ns_lookup(NS_DEFAULT), ifindex); | |
c3bd894e | 1358 | |
65dc7dd3 QY |
1359 | if (ifp) { |
1360 | zlog_info("Setting interface %s (%u): protodown %s", ifp->name, | |
1361 | ifindex, down ? "on" : "off"); | |
1362 | zebra_if_set_protodown(ifp, down); | |
1363 | } else { | |
1364 | zlog_warn( | |
1365 | "Cannot set protodown %s for interface %u; does not exist", | |
1366 | down ? "on" : "off", ifindex); | |
1367 | } | |
1368 | ||
c3bd894e QY |
1369 | |
1370 | stream_failure: | |
1371 | return; | |
1372 | } | |
1373 | ||
1374 | ||
bf094f69 QY |
1375 | void zserv_nexthop_num_warn(const char *caller, const struct prefix *p, |
1376 | const unsigned int nexthop_num) | |
1377 | { | |
b3f2b590 | 1378 | if (nexthop_num > zrouter.multipath_num) { |
bf094f69 | 1379 | char buff[PREFIX2STR_BUFFER]; |
8b1766b1 | 1380 | |
bf094f69 | 1381 | prefix2str(p, buff, sizeof(buff)); |
9df414fe | 1382 | flog_warn( |
e914ccbe | 1383 | EC_ZEBRA_MORE_NH_THAN_MULTIPATH, |
bf094f69 | 1384 | "%s: Prefix %s has %d nexthops, but we can only use the first %d", |
b3f2b590 | 1385 | caller, buff, nexthop_num, zrouter.multipath_num); |
bf094f69 QY |
1386 | } |
1387 | } | |
1388 | ||
1389 | static void zread_route_add(ZAPI_HANDLER_ARGS) | |
1390 | { | |
1391 | struct stream *s; | |
1392 | struct zapi_route api; | |
1393 | struct zapi_nexthop *api_nh; | |
1394 | afi_t afi; | |
1395 | struct prefix_ipv6 *src_p = NULL; | |
1396 | struct route_entry *re; | |
1397 | struct nexthop *nexthop = NULL; | |
1398 | int i, ret; | |
1399 | vrf_id_t vrf_id = 0; | |
1400 | struct ipaddr vtep_ip; | |
1401 | ||
1402 | s = msg; | |
1403 | if (zapi_route_decode(s, &api) < 0) { | |
1404 | if (IS_ZEBRA_DEBUG_RECV) | |
1405 | zlog_debug("%s: Unable to decode zapi_route sent", | |
1406 | __PRETTY_FUNCTION__); | |
1407 | return; | |
1408 | } | |
1409 | ||
1410 | if (IS_ZEBRA_DEBUG_RECV) { | |
1411 | char buf_prefix[PREFIX_STRLEN]; | |
8b1766b1 | 1412 | |
bf094f69 QY |
1413 | prefix2str(&api.prefix, buf_prefix, sizeof(buf_prefix)); |
1414 | zlog_debug("%s: p=%s, ZAPI_MESSAGE_LABEL: %sset, flags=0x%x", | |
1415 | __func__, buf_prefix, | |
1416 | (CHECK_FLAG(api.message, ZAPI_MESSAGE_LABEL) ? "" | |
1417 | : "un"), | |
1418 | api.flags); | |
1419 | } | |
1420 | ||
1421 | /* Allocate new route. */ | |
1422 | vrf_id = zvrf_id(zvrf); | |
1423 | re = XCALLOC(MTYPE_RE, sizeof(struct route_entry)); | |
1424 | re->type = api.type; | |
1425 | re->instance = api.instance; | |
1426 | re->flags = api.flags; | |
98572489 | 1427 | re->uptime = monotime(NULL); |
bf094f69 QY |
1428 | re->vrf_id = vrf_id; |
1429 | if (api.tableid && vrf_id == VRF_DEFAULT) | |
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) { | |
1436 | char buf_prefix[PREFIX_STRLEN]; | |
1437 | ||
1438 | prefix2str(&api.prefix, buf_prefix, sizeof(buf_prefix)); | |
1439 | flog_warn(EC_ZEBRA_RX_ROUTE_NO_NEXTHOPS, | |
1440 | "%s: received a route without nexthops for prefix %s", | |
1441 | __func__, buf_prefix); | |
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); | |
1540 | nexthops_free(re->ng.nexthop); | |
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 QY |
1581 | __PRETTY_FUNCTION__); |
1582 | nexthops_free(re->ng.nexthop); | |
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 | ||
1630 | if (api.vrf_id == VRF_DEFAULT && api.tableid != 0) | |
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, | |
1636 | api.flags, &api.prefix, src_p, NULL, 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 | ||
1756 | static void zread_mpls_labels(ZAPI_HANDLER_ARGS) | |
1757 | { | |
1758 | struct stream *s; | |
1759 | enum lsp_types_t type; | |
1760 | struct prefix prefix; | |
1761 | enum nexthop_types_t gtype; | |
1762 | union g_addr gate; | |
1763 | ifindex_t ifindex; | |
1764 | mpls_label_t in_label, out_label; | |
1765 | uint8_t distance; | |
1766 | ||
1767 | /* Get input stream. */ | |
1768 | s = msg; | |
1769 | ||
1770 | /* Get data. */ | |
1771 | STREAM_GETC(s, type); | |
1772 | STREAM_GETL(s, prefix.family); | |
1773 | switch (prefix.family) { | |
1774 | case AF_INET: | |
1775 | STREAM_GET(&prefix.u.prefix4.s_addr, s, IPV4_MAX_BYTELEN); | |
1776 | STREAM_GETC(s, prefix.prefixlen); | |
1777 | if (prefix.prefixlen > IPV4_MAX_BITLEN) { | |
9df414fe | 1778 | zlog_debug( |
bf094f69 QY |
1779 | "%s: Specified prefix length %d is greater than a v4 address can support", |
1780 | __PRETTY_FUNCTION__, prefix.prefixlen); | |
1781 | return; | |
1782 | } | |
1783 | STREAM_GET(&gate.ipv4.s_addr, s, IPV4_MAX_BYTELEN); | |
1784 | break; | |
1785 | case AF_INET6: | |
1786 | STREAM_GET(&prefix.u.prefix6, s, 16); | |
1787 | STREAM_GETC(s, prefix.prefixlen); | |
1788 | if (prefix.prefixlen > IPV6_MAX_BITLEN) { | |
9df414fe | 1789 | zlog_debug( |
bf094f69 QY |
1790 | "%s: Specified prefix length %d is greater than a v6 address can support", |
1791 | __PRETTY_FUNCTION__, prefix.prefixlen); | |
1792 | return; | |
1793 | } | |
1794 | STREAM_GET(&gate.ipv6, s, 16); | |
1795 | break; | |
1796 | default: | |
9df414fe QY |
1797 | zlog_debug("%s: Specified AF %d is not supported for this call", |
1798 | __PRETTY_FUNCTION__, prefix.family); | |
bf094f69 QY |
1799 | return; |
1800 | } | |
1801 | STREAM_GETL(s, ifindex); | |
1802 | STREAM_GETC(s, distance); | |
1803 | STREAM_GETL(s, in_label); | |
1804 | STREAM_GETL(s, out_label); | |
1805 | ||
1806 | switch (prefix.family) { | |
1807 | case AF_INET: | |
1808 | if (ifindex) | |
1809 | gtype = NEXTHOP_TYPE_IPV4_IFINDEX; | |
1810 | else | |
1811 | gtype = NEXTHOP_TYPE_IPV4; | |
1812 | break; | |
1813 | case AF_INET6: | |
1814 | if (ifindex) | |
1815 | gtype = NEXTHOP_TYPE_IPV6_IFINDEX; | |
1816 | else | |
1817 | gtype = NEXTHOP_TYPE_IPV6; | |
1818 | break; | |
1819 | default: | |
1820 | return; | |
1821 | } | |
1822 | ||
1823 | if (!mpls_enabled) | |
1824 | return; | |
1825 | ||
1826 | if (hdr->command == ZEBRA_MPLS_LABELS_ADD) { | |
1827 | mpls_lsp_install(zvrf, type, in_label, out_label, gtype, &gate, | |
1828 | ifindex); | |
1829 | mpls_ftn_update(1, zvrf, type, &prefix, gtype, &gate, ifindex, | |
1830 | distance, out_label); | |
1831 | } else if (hdr->command == ZEBRA_MPLS_LABELS_DELETE) { | |
1832 | mpls_lsp_uninstall(zvrf, type, in_label, gtype, &gate, ifindex); | |
1833 | mpls_ftn_update(0, zvrf, type, &prefix, gtype, &gate, ifindex, | |
1834 | distance, out_label); | |
1835 | } | |
1836 | stream_failure: | |
1837 | return; | |
1838 | } | |
1839 | ||
1840 | /* Send response to a table manager connect request to client */ | |
1841 | static void zread_table_manager_connect(struct zserv *client, | |
1842 | struct stream *msg, vrf_id_t vrf_id) | |
1843 | { | |
1844 | struct stream *s; | |
1845 | uint8_t proto; | |
1846 | uint16_t instance; | |
1847 | ||
1848 | s = msg; | |
1849 | ||
1850 | /* Get data. */ | |
1851 | STREAM_GETC(s, proto); | |
1852 | STREAM_GETW(s, instance); | |
1853 | ||
1854 | /* accept only dynamic routing protocols */ | |
1855 | if ((proto >= ZEBRA_ROUTE_MAX) || (proto <= ZEBRA_ROUTE_STATIC)) { | |
e914ccbe | 1856 | flog_err(EC_ZEBRA_TM_WRONG_PROTO, |
1c50c1c0 QY |
1857 | "client %d has wrong protocol %s", client->sock, |
1858 | zebra_route_string(proto)); | |
bf094f69 QY |
1859 | zsend_table_manager_connect_response(client, vrf_id, 1); |
1860 | return; | |
1861 | } | |
1862 | zlog_notice("client %d with vrf %u instance %u connected as %s", | |
1863 | client->sock, vrf_id, instance, zebra_route_string(proto)); | |
1864 | client->proto = proto; | |
1865 | client->instance = instance; | |
1866 | ||
1867 | /* | |
1868 | * Release previous labels of same protocol and instance. | |
1869 | * This is done in case it restarted from an unexpected shutdown. | |
1870 | */ | |
453844ab | 1871 | release_daemon_table_chunks(client); |
bf094f69 QY |
1872 | |
1873 | zsend_table_manager_connect_response(client, vrf_id, 0); | |
1874 | ||
1875 | stream_failure: | |
1876 | return; | |
1877 | } | |
1878 | ||
1879 | static void zread_label_manager_connect(struct zserv *client, | |
1880 | struct stream *msg, vrf_id_t vrf_id) | |
1881 | { | |
1882 | struct stream *s; | |
1883 | /* type of protocol (lib/zebra.h) */ | |
1884 | uint8_t proto; | |
1885 | unsigned short instance; | |
1886 | ||
1887 | /* Get input stream. */ | |
1888 | s = msg; | |
1889 | ||
1890 | /* Get data. */ | |
1891 | STREAM_GETC(s, proto); | |
1892 | STREAM_GETW(s, instance); | |
1893 | ||
1894 | /* accept only dynamic routing protocols */ | |
1895 | if ((proto >= ZEBRA_ROUTE_MAX) || (proto <= ZEBRA_ROUTE_STATIC)) { | |
e914ccbe | 1896 | flog_err(EC_ZEBRA_TM_WRONG_PROTO, |
1c50c1c0 QY |
1897 | "client %d has wrong protocol %s", client->sock, |
1898 | zebra_route_string(proto)); | |
f533be73 | 1899 | if (client->is_synchronous) |
1900 | zsend_label_manager_connect_response(client, vrf_id, 1); | |
bf094f69 QY |
1901 | return; |
1902 | } | |
1903 | zlog_notice("client %d with vrf %u instance %u connected as %s", | |
1904 | client->sock, vrf_id, instance, zebra_route_string(proto)); | |
1905 | client->proto = proto; | |
1906 | client->instance = instance; | |
1907 | ||
1908 | /* | |
453844ab QY |
1909 | * Release previous labels of same protocol and instance. |
1910 | * This is done in case it restarted from an unexpected shutdown. | |
1911 | */ | |
1912 | release_daemon_label_chunks(client); | |
bf094f69 QY |
1913 | |
1914 | zlog_debug( | |
1915 | " Label Manager client connected: sock %d, proto %s, vrf %u instance %u", | |
1916 | client->sock, zebra_route_string(proto), vrf_id, instance); | |
1917 | /* send response back */ | |
f533be73 | 1918 | if (client->is_synchronous) |
1919 | zsend_label_manager_connect_response(client, vrf_id, 0); | |
bf094f69 QY |
1920 | |
1921 | stream_failure: | |
1922 | return; | |
1923 | } | |
1924 | ||
1925 | static void zread_get_label_chunk(struct zserv *client, struct stream *msg, | |
1926 | vrf_id_t vrf_id) | |
1927 | { | |
1928 | struct stream *s; | |
1929 | uint8_t keep; | |
1930 | uint32_t size; | |
1931 | struct label_manager_chunk *lmc; | |
5dffb0e9 FR |
1932 | uint8_t proto; |
1933 | unsigned short instance; | |
bf094f69 QY |
1934 | |
1935 | /* Get input stream. */ | |
1936 | s = msg; | |
1937 | ||
1938 | /* Get data. */ | |
5dffb0e9 FR |
1939 | STREAM_GETC(s, proto); |
1940 | STREAM_GETW(s, instance); | |
bf094f69 QY |
1941 | STREAM_GETC(s, keep); |
1942 | STREAM_GETL(s, size); | |
1943 | ||
f533be73 | 1944 | lmc = assign_label_chunk(proto, instance, keep, size); |
bf094f69 | 1945 | if (!lmc) |
af4c2728 | 1946 | flog_err( |
e914ccbe | 1947 | EC_ZEBRA_LM_CANNOT_ASSIGN_CHUNK, |
0313523d | 1948 | "Unable to assign Label Chunk of size %u to %s instance %u", |
f533be73 | 1949 | size, zebra_route_string(proto), instance); |
bf094f69 | 1950 | else |
0313523d FR |
1951 | zlog_debug("Assigned Label Chunk %u - %u to %s instance %u", |
1952 | lmc->start, lmc->end, | |
f533be73 | 1953 | zebra_route_string(proto), instance); |
bf094f69 QY |
1954 | /* send response back */ |
1955 | zsend_assign_label_chunk_response(client, vrf_id, lmc); | |
1956 | ||
1957 | stream_failure: | |
1958 | return; | |
1959 | } | |
1960 | ||
1961 | static void zread_release_label_chunk(struct zserv *client, struct stream *msg) | |
1962 | { | |
1963 | struct stream *s; | |
1964 | uint32_t start, end; | |
5dffb0e9 FR |
1965 | uint8_t proto; |
1966 | unsigned short instance; | |
bf094f69 QY |
1967 | |
1968 | /* Get input stream. */ | |
1969 | s = msg; | |
1970 | ||
1971 | /* Get data. */ | |
5dffb0e9 FR |
1972 | STREAM_GETC(s, proto); |
1973 | STREAM_GETW(s, instance); | |
bf094f69 QY |
1974 | STREAM_GETL(s, start); |
1975 | STREAM_GETL(s, end); | |
1976 | ||
f533be73 | 1977 | release_label_chunk(proto, instance, start, end); |
bf094f69 QY |
1978 | |
1979 | stream_failure: | |
1980 | return; | |
1981 | } | |
1982 | static void zread_label_manager_request(ZAPI_HANDLER_ARGS) | |
1983 | { | |
1984 | /* to avoid sending other messages like ZERBA_INTERFACE_UP */ | |
f533be73 | 1985 | client->is_synchronous = hdr->command == |
1986 | ZEBRA_LABEL_MANAGER_CONNECT; | |
bf094f69 QY |
1987 | |
1988 | /* external label manager */ | |
1989 | if (lm_is_external) | |
0313523d | 1990 | zread_relay_label_manager_request(hdr->command, client, msg, |
bf094f69 QY |
1991 | zvrf_id(zvrf)); |
1992 | /* this is a label manager */ | |
1993 | else { | |
f533be73 | 1994 | if (hdr->command == ZEBRA_LABEL_MANAGER_CONNECT || |
1995 | hdr->command == ZEBRA_LABEL_MANAGER_CONNECT_ASYNC) | |
bf094f69 QY |
1996 | zread_label_manager_connect(client, msg, zvrf_id(zvrf)); |
1997 | else { | |
bf094f69 QY |
1998 | if (hdr->command == ZEBRA_GET_LABEL_CHUNK) |
1999 | zread_get_label_chunk(client, msg, | |
2000 | zvrf_id(zvrf)); | |
2001 | else if (hdr->command == ZEBRA_RELEASE_LABEL_CHUNK) | |
2002 | zread_release_label_chunk(client, msg); | |
2003 | } | |
2004 | } | |
2005 | } | |
2006 | ||
2007 | static void zread_get_table_chunk(struct zserv *client, struct stream *msg, | |
2008 | vrf_id_t vrf_id) | |
2009 | { | |
2010 | struct stream *s; | |
2011 | uint32_t size; | |
2012 | struct table_manager_chunk *tmc; | |
2013 | ||
2014 | /* Get input stream. */ | |
2015 | s = msg; | |
2016 | ||
2017 | /* Get data. */ | |
2018 | STREAM_GETL(s, size); | |
2019 | ||
2020 | tmc = assign_table_chunk(client->proto, client->instance, size); | |
2021 | if (!tmc) | |
e914ccbe | 2022 | flog_err(EC_ZEBRA_TM_CANNOT_ASSIGN_CHUNK, |
1c50c1c0 QY |
2023 | "%s: Unable to assign Table Chunk of size %u", |
2024 | __func__, size); | |
bf094f69 QY |
2025 | else |
2026 | zlog_debug("Assigned Table Chunk %u - %u", tmc->start, | |
2027 | tmc->end); | |
2028 | /* send response back */ | |
2029 | zsend_assign_table_chunk_response(client, vrf_id, tmc); | |
2030 | ||
2031 | stream_failure: | |
2032 | return; | |
2033 | } | |
2034 | ||
2035 | static void zread_release_table_chunk(struct zserv *client, struct stream *msg) | |
2036 | { | |
2037 | struct stream *s; | |
2038 | uint32_t start, end; | |
2039 | ||
2040 | /* Get input stream. */ | |
2041 | s = msg; | |
2042 | ||
2043 | /* Get data. */ | |
2044 | STREAM_GETL(s, start); | |
2045 | STREAM_GETL(s, end); | |
2046 | ||
2047 | release_table_chunk(client->proto, client->instance, start, end); | |
2048 | ||
2049 | stream_failure: | |
2050 | return; | |
2051 | } | |
2052 | ||
2053 | static void zread_table_manager_request(ZAPI_HANDLER_ARGS) | |
2054 | { | |
2055 | /* to avoid sending other messages like ZERBA_INTERFACE_UP */ | |
2056 | if (hdr->command == ZEBRA_TABLE_MANAGER_CONNECT) | |
2057 | zread_table_manager_connect(client, msg, zvrf_id(zvrf)); | |
2058 | else { | |
2059 | /* Sanity: don't allow 'unidentified' requests */ | |
2060 | if (!client->proto) { | |
af4c2728 | 2061 | flog_err( |
e914ccbe | 2062 | EC_ZEBRA_TM_ALIENS, |
bf094f69 QY |
2063 | "Got table request from an unidentified client"); |
2064 | return; | |
2065 | } | |
2066 | if (hdr->command == ZEBRA_GET_TABLE_CHUNK) | |
2067 | zread_get_table_chunk(client, msg, zvrf_id(zvrf)); | |
2068 | else if (hdr->command == ZEBRA_RELEASE_TABLE_CHUNK) | |
2069 | zread_release_table_chunk(client, msg); | |
2070 | } | |
2071 | } | |
2072 | ||
2073 | static void zread_pseudowire(ZAPI_HANDLER_ARGS) | |
2074 | { | |
2075 | struct stream *s; | |
2076 | char ifname[IF_NAMESIZE]; | |
2077 | ifindex_t ifindex; | |
2078 | int type; | |
2079 | int af; | |
2080 | union g_addr nexthop; | |
2081 | uint32_t local_label; | |
2082 | uint32_t remote_label; | |
2083 | uint8_t flags; | |
2084 | union pw_protocol_fields data; | |
2085 | uint8_t protocol; | |
2086 | struct zebra_pw *pw; | |
2087 | ||
2088 | /* Get input stream. */ | |
2089 | s = msg; | |
2090 | ||
2091 | /* Get data. */ | |
2092 | STREAM_GET(ifname, s, IF_NAMESIZE); | |
2093 | STREAM_GETL(s, ifindex); | |
2094 | STREAM_GETL(s, type); | |
2095 | STREAM_GETL(s, af); | |
2096 | switch (af) { | |
2097 | case AF_INET: | |
2098 | STREAM_GET(&nexthop.ipv4.s_addr, s, IPV4_MAX_BYTELEN); | |
2099 | break; | |
2100 | case AF_INET6: | |
2101 | STREAM_GET(&nexthop.ipv6, s, 16); | |
2102 | break; | |
2103 | default: | |
2104 | return; | |
2105 | } | |
2106 | STREAM_GETL(s, local_label); | |
2107 | STREAM_GETL(s, remote_label); | |
2108 | STREAM_GETC(s, flags); | |
2109 | STREAM_GET(&data, s, sizeof(data)); | |
2110 | protocol = client->proto; | |
2111 | ||
2112 | pw = zebra_pw_find(zvrf, ifname); | |
2113 | switch (hdr->command) { | |
2114 | case ZEBRA_PW_ADD: | |
2115 | if (pw) { | |
e914ccbe | 2116 | flog_warn(EC_ZEBRA_PSEUDOWIRE_EXISTS, |
9df414fe | 2117 | "%s: pseudowire %s already exists [%s]", |
bf094f69 QY |
2118 | __func__, ifname, |
2119 | zserv_command_string(hdr->command)); | |
2120 | return; | |
2121 | } | |
2122 | ||
2123 | zebra_pw_add(zvrf, ifname, protocol, client); | |
2124 | break; | |
2125 | case ZEBRA_PW_DELETE: | |
2126 | if (!pw) { | |
e914ccbe | 2127 | flog_warn(EC_ZEBRA_PSEUDOWIRE_NONEXISTENT, |
9df414fe | 2128 | "%s: pseudowire %s not found [%s]", __func__, |
bf094f69 QY |
2129 | ifname, zserv_command_string(hdr->command)); |
2130 | return; | |
2131 | } | |
2132 | ||
2133 | zebra_pw_del(zvrf, pw); | |
2134 | break; | |
2135 | case ZEBRA_PW_SET: | |
2136 | case ZEBRA_PW_UNSET: | |
2137 | if (!pw) { | |
e914ccbe | 2138 | flog_warn(EC_ZEBRA_PSEUDOWIRE_NONEXISTENT, |
9df414fe | 2139 | "%s: pseudowire %s not found [%s]", __func__, |
bf094f69 QY |
2140 | ifname, zserv_command_string(hdr->command)); |
2141 | return; | |
2142 | } | |
2143 | ||
2144 | switch (hdr->command) { | |
2145 | case ZEBRA_PW_SET: | |
2146 | pw->enabled = 1; | |
2147 | break; | |
2148 | case ZEBRA_PW_UNSET: | |
2149 | pw->enabled = 0; | |
2150 | break; | |
2151 | } | |
2152 | ||
2153 | zebra_pw_change(pw, ifindex, type, af, &nexthop, local_label, | |
2154 | remote_label, flags, &data); | |
2155 | break; | |
2156 | } | |
2157 | ||
2158 | stream_failure: | |
2159 | return; | |
2160 | } | |
2161 | ||
2162 | static void zread_interface_set_master(ZAPI_HANDLER_ARGS) | |
2163 | { | |
2164 | struct interface *master; | |
2165 | struct interface *slave; | |
2166 | struct stream *s = msg; | |
2167 | int ifindex; | |
2168 | vrf_id_t vrf_id; | |
2169 | ||
2170 | STREAM_GETL(s, vrf_id); | |
2171 | STREAM_GETL(s, ifindex); | |
2172 | master = if_lookup_by_index(ifindex, vrf_id); | |
2173 | ||
2174 | STREAM_GETL(s, vrf_id); | |
2175 | STREAM_GETL(s, ifindex); | |
2176 | slave = if_lookup_by_index(ifindex, vrf_id); | |
2177 | ||
2178 | if (!master || !slave) | |
2179 | return; | |
2180 | ||
2181 | kernel_interface_set_master(master, slave); | |
2182 | ||
2183 | stream_failure: | |
2184 | return; | |
2185 | } | |
2186 | ||
2187 | ||
2188 | static void zread_vrf_label(ZAPI_HANDLER_ARGS) | |
2189 | { | |
2190 | struct interface *ifp; | |
2191 | mpls_label_t nlabel; | |
2192 | afi_t afi; | |
2193 | struct stream *s; | |
2194 | struct zebra_vrf *def_zvrf; | |
2195 | enum lsp_types_t ltype; | |
2196 | ||
2197 | s = msg; | |
2198 | STREAM_GETL(s, nlabel); | |
2199 | STREAM_GETC(s, afi); | |
2200 | if (nlabel == zvrf->label[afi]) { | |
2201 | /* | |
2202 | * Nothing to do here move along | |
2203 | */ | |
2204 | return; | |
2205 | } | |
2206 | ||
2207 | STREAM_GETC(s, ltype); | |
2208 | ||
2209 | if (zvrf->vrf->vrf_id != VRF_DEFAULT) | |
a36898e7 | 2210 | ifp = if_lookup_by_name(zvrf->vrf->name, zvrf->vrf->vrf_id); |
bf094f69 | 2211 | else |
a36898e7 | 2212 | ifp = if_lookup_by_name("lo", VRF_DEFAULT); |
bf094f69 QY |
2213 | |
2214 | if (!ifp) { | |
2215 | zlog_debug("Unable to find specified Interface for %s", | |
2216 | zvrf->vrf->name); | |
2217 | return; | |
2218 | } | |
2219 | ||
2220 | def_zvrf = zebra_vrf_lookup_by_id(VRF_DEFAULT); | |
2221 | ||
2222 | if (zvrf->label[afi] != MPLS_LABEL_NONE) { | |
2223 | afi_t scrubber; | |
2224 | bool really_remove; | |
2225 | ||
2226 | really_remove = true; | |
2227 | for (scrubber = AFI_IP; scrubber < AFI_MAX; scrubber++) { | |
2228 | if (scrubber == afi) | |
2229 | continue; | |
2230 | ||
2231 | if (zvrf->label[scrubber] == MPLS_LABEL_NONE) | |
2232 | continue; | |
2233 | ||
2234 | if (zvrf->label[afi] == zvrf->label[scrubber]) { | |
2235 | really_remove = false; | |
2236 | break; | |
2237 | } | |
2238 | } | |
2239 | ||
2240 | if (really_remove) | |
2241 | mpls_lsp_uninstall(def_zvrf, ltype, zvrf->label[afi], | |
2242 | NEXTHOP_TYPE_IFINDEX, NULL, | |
2243 | ifp->ifindex); | |
2244 | } | |
2245 | ||
2246 | if (nlabel != MPLS_LABEL_NONE) | |
2247 | mpls_lsp_install(def_zvrf, ltype, nlabel, | |
2248 | MPLS_LABEL_IMPLICIT_NULL, NEXTHOP_TYPE_IFINDEX, | |
2249 | NULL, ifp->ifindex); | |
2250 | ||
2251 | zvrf->label[afi] = nlabel; | |
2252 | stream_failure: | |
2253 | return; | |
2254 | } | |
2255 | ||
2256 | static inline void zread_rule(ZAPI_HANDLER_ARGS) | |
2257 | { | |
2258 | struct zebra_pbr_rule zpr; | |
2259 | struct stream *s; | |
2260 | uint32_t total, i; | |
2261 | ifindex_t ifindex; | |
2262 | ||
2263 | s = msg; | |
2264 | STREAM_GETL(s, total); | |
2265 | ||
2266 | for (i = 0; i < total; i++) { | |
2267 | memset(&zpr, 0, sizeof(zpr)); | |
2268 | ||
2269 | zpr.sock = client->sock; | |
2270 | zpr.rule.vrf_id = hdr->vrf_id; | |
2271 | STREAM_GETL(s, zpr.rule.seq); | |
2272 | STREAM_GETL(s, zpr.rule.priority); | |
2273 | STREAM_GETL(s, zpr.rule.unique); | |
2274 | STREAM_GETC(s, zpr.rule.filter.src_ip.family); | |
2275 | STREAM_GETC(s, zpr.rule.filter.src_ip.prefixlen); | |
2276 | STREAM_GET(&zpr.rule.filter.src_ip.u.prefix, s, | |
2277 | prefix_blen(&zpr.rule.filter.src_ip)); | |
2278 | STREAM_GETW(s, zpr.rule.filter.src_port); | |
2279 | STREAM_GETC(s, zpr.rule.filter.dst_ip.family); | |
2280 | STREAM_GETC(s, zpr.rule.filter.dst_ip.prefixlen); | |
2281 | STREAM_GET(&zpr.rule.filter.dst_ip.u.prefix, s, | |
2282 | prefix_blen(&zpr.rule.filter.dst_ip)); | |
2283 | STREAM_GETW(s, zpr.rule.filter.dst_port); | |
2284 | STREAM_GETL(s, zpr.rule.filter.fwmark); | |
2285 | STREAM_GETL(s, zpr.rule.action.table); | |
2286 | STREAM_GETL(s, ifindex); | |
2287 | ||
2288 | if (ifindex) { | |
06432d4e PG |
2289 | zpr.ifp = if_lookup_by_index_per_ns( |
2290 | zvrf->zns, | |
2291 | ifindex); | |
bf094f69 QY |
2292 | if (!zpr.ifp) { |
2293 | zlog_debug("Failed to lookup ifindex: %u", | |
2294 | ifindex); | |
2295 | return; | |
2296 | } | |
2297 | } | |
2298 | ||
2299 | if (!is_default_prefix(&zpr.rule.filter.src_ip)) | |
2300 | zpr.rule.filter.filter_bm |= PBR_FILTER_SRC_IP; | |
2301 | ||
2302 | if (!is_default_prefix(&zpr.rule.filter.dst_ip)) | |
2303 | zpr.rule.filter.filter_bm |= PBR_FILTER_DST_IP; | |
2304 | ||
2305 | if (zpr.rule.filter.src_port) | |
2306 | zpr.rule.filter.filter_bm |= PBR_FILTER_SRC_PORT; | |
2307 | ||
2308 | if (zpr.rule.filter.dst_port) | |
2309 | zpr.rule.filter.filter_bm |= PBR_FILTER_DST_PORT; | |
2310 | ||
2311 | if (zpr.rule.filter.fwmark) | |
2312 | zpr.rule.filter.filter_bm |= PBR_FILTER_FWMARK; | |
2313 | ||
7f0ea8a4 | 2314 | zpr.vrf_id = zvrf->vrf->vrf_id; |
bf094f69 | 2315 | if (hdr->command == ZEBRA_RULE_ADD) |
7f0ea8a4 | 2316 | zebra_pbr_add_rule(&zpr); |
bf094f69 | 2317 | else |
7f0ea8a4 | 2318 | zebra_pbr_del_rule(&zpr); |
bf094f69 QY |
2319 | } |
2320 | ||
2321 | stream_failure: | |
2322 | return; | |
2323 | } | |
2324 | ||
2325 | static inline void zread_ipset(ZAPI_HANDLER_ARGS) | |
2326 | { | |
2327 | struct zebra_pbr_ipset zpi; | |
2328 | struct stream *s; | |
2329 | uint32_t total, i; | |
2330 | ||
2331 | s = msg; | |
2332 | STREAM_GETL(s, total); | |
2333 | ||
2334 | for (i = 0; i < total; i++) { | |
2335 | memset(&zpi, 0, sizeof(zpi)); | |
2336 | ||
2337 | zpi.sock = client->sock; | |
be2028d1 | 2338 | zpi.vrf_id = zvrf->vrf->vrf_id; |
bf094f69 QY |
2339 | STREAM_GETL(s, zpi.unique); |
2340 | STREAM_GETL(s, zpi.type); | |
2341 | STREAM_GET(&zpi.ipset_name, s, ZEBRA_IPSET_NAME_SIZE); | |
2342 | ||
2343 | if (hdr->command == ZEBRA_IPSET_CREATE) | |
62f20a52 | 2344 | zebra_pbr_create_ipset(&zpi); |
bf094f69 | 2345 | else |
62f20a52 | 2346 | zebra_pbr_destroy_ipset(&zpi); |
bf094f69 QY |
2347 | } |
2348 | ||
2349 | stream_failure: | |
2350 | return; | |
2351 | } | |
2352 | ||
2353 | static inline void zread_ipset_entry(ZAPI_HANDLER_ARGS) | |
2354 | { | |
2355 | struct zebra_pbr_ipset_entry zpi; | |
2356 | struct zebra_pbr_ipset ipset; | |
2357 | struct stream *s; | |
2358 | uint32_t total, i; | |
2359 | ||
2360 | s = msg; | |
2361 | STREAM_GETL(s, total); | |
2362 | ||
2363 | for (i = 0; i < total; i++) { | |
2364 | memset(&zpi, 0, sizeof(zpi)); | |
2365 | memset(&ipset, 0, sizeof(ipset)); | |
2366 | ||
2367 | zpi.sock = client->sock; | |
2368 | STREAM_GETL(s, zpi.unique); | |
2369 | STREAM_GET(&ipset.ipset_name, s, ZEBRA_IPSET_NAME_SIZE); | |
2370 | STREAM_GETC(s, zpi.src.family); | |
2371 | STREAM_GETC(s, zpi.src.prefixlen); | |
2372 | STREAM_GET(&zpi.src.u.prefix, s, prefix_blen(&zpi.src)); | |
2373 | STREAM_GETC(s, zpi.dst.family); | |
2374 | STREAM_GETC(s, zpi.dst.prefixlen); | |
2375 | STREAM_GET(&zpi.dst.u.prefix, s, prefix_blen(&zpi.dst)); | |
2376 | ||
25d760c5 PG |
2377 | STREAM_GETW(s, zpi.src_port_min); |
2378 | STREAM_GETW(s, zpi.src_port_max); | |
2379 | STREAM_GETW(s, zpi.dst_port_min); | |
2380 | STREAM_GETW(s, zpi.dst_port_max); | |
2381 | STREAM_GETC(s, zpi.proto); | |
bf094f69 QY |
2382 | if (!is_default_prefix(&zpi.src)) |
2383 | zpi.filter_bm |= PBR_FILTER_SRC_IP; | |
2384 | ||
2385 | if (!is_default_prefix(&zpi.dst)) | |
2386 | zpi.filter_bm |= PBR_FILTER_DST_IP; | |
be729dd7 | 2387 | if (zpi.dst_port_min != 0 || zpi.proto == IPPROTO_ICMP) |
25d760c5 | 2388 | zpi.filter_bm |= PBR_FILTER_DST_PORT; |
be729dd7 | 2389 | if (zpi.src_port_min != 0 || zpi.proto == IPPROTO_ICMP) |
25d760c5 PG |
2390 | zpi.filter_bm |= PBR_FILTER_SRC_PORT; |
2391 | if (zpi.dst_port_max != 0) | |
2392 | zpi.filter_bm |= PBR_FILTER_DST_PORT_RANGE; | |
2393 | if (zpi.src_port_max != 0) | |
2394 | zpi.filter_bm |= PBR_FILTER_SRC_PORT_RANGE; | |
2395 | if (zpi.proto != 0) | |
2396 | zpi.filter_bm |= PBR_FILTER_PROTO; | |
bf094f69 QY |
2397 | |
2398 | /* calculate backpointer */ | |
62f20a52 DS |
2399 | zpi.backpointer = |
2400 | zebra_pbr_lookup_ipset_pername(ipset.ipset_name); | |
bf094f69 | 2401 | if (hdr->command == ZEBRA_IPSET_ENTRY_ADD) |
62f20a52 | 2402 | zebra_pbr_add_ipset_entry(&zpi); |
bf094f69 | 2403 | else |
62f20a52 | 2404 | zebra_pbr_del_ipset_entry(&zpi); |
bf094f69 QY |
2405 | } |
2406 | ||
2407 | stream_failure: | |
2408 | return; | |
2409 | } | |
2410 | ||
2411 | static inline void zread_iptable(ZAPI_HANDLER_ARGS) | |
2412 | { | |
2413 | struct zebra_pbr_iptable zpi; | |
2414 | struct stream *s; | |
2415 | ||
2416 | s = msg; | |
2417 | ||
2418 | memset(&zpi, 0, sizeof(zpi)); | |
2419 | ||
f80ec7e3 | 2420 | zpi.interface_name_list = list_new(); |
bf094f69 | 2421 | zpi.sock = client->sock; |
be2028d1 | 2422 | zpi.vrf_id = zvrf->vrf->vrf_id; |
bf094f69 QY |
2423 | STREAM_GETL(s, zpi.unique); |
2424 | STREAM_GETL(s, zpi.type); | |
2425 | STREAM_GETL(s, zpi.filter_bm); | |
2426 | STREAM_GETL(s, zpi.action); | |
2427 | STREAM_GETL(s, zpi.fwmark); | |
2428 | STREAM_GET(&zpi.ipset_name, s, ZEBRA_IPSET_NAME_SIZE); | |
e7f7dad4 PG |
2429 | STREAM_GETW(s, zpi.pkt_len_min); |
2430 | STREAM_GETW(s, zpi.pkt_len_max); | |
dc993e76 PG |
2431 | STREAM_GETW(s, zpi.tcp_flags); |
2432 | STREAM_GETW(s, zpi.tcp_mask_flags); | |
4977bd6c | 2433 | STREAM_GETC(s, zpi.dscp_value); |
5ac5b7cc | 2434 | STREAM_GETC(s, zpi.fragment); |
f80ec7e3 PG |
2435 | STREAM_GETL(s, zpi.nb_interface); |
2436 | zebra_pbr_iptable_update_interfacelist(s, &zpi); | |
bf094f69 QY |
2437 | |
2438 | if (hdr->command == ZEBRA_IPTABLE_ADD) | |
62f20a52 | 2439 | zebra_pbr_add_iptable(&zpi); |
bf094f69 | 2440 | else |
62f20a52 | 2441 | zebra_pbr_del_iptable(&zpi); |
bf094f69 QY |
2442 | stream_failure: |
2443 | return; | |
2444 | } | |
2445 | ||
2446 | void (*zserv_handlers[])(ZAPI_HANDLER_ARGS) = { | |
2447 | [ZEBRA_ROUTER_ID_ADD] = zread_router_id_add, | |
2448 | [ZEBRA_ROUTER_ID_DELETE] = zread_router_id_delete, | |
2449 | [ZEBRA_INTERFACE_ADD] = zread_interface_add, | |
2450 | [ZEBRA_INTERFACE_DELETE] = zread_interface_delete, | |
c3bd894e | 2451 | [ZEBRA_INTERFACE_SET_PROTODOWN] = zread_interface_set_protodown, |
bf094f69 QY |
2452 | [ZEBRA_ROUTE_ADD] = zread_route_add, |
2453 | [ZEBRA_ROUTE_DELETE] = zread_route_del, | |
bf094f69 QY |
2454 | [ZEBRA_REDISTRIBUTE_ADD] = zebra_redistribute_add, |
2455 | [ZEBRA_REDISTRIBUTE_DELETE] = zebra_redistribute_delete, | |
2456 | [ZEBRA_REDISTRIBUTE_DEFAULT_ADD] = zebra_redistribute_default_add, | |
2457 | [ZEBRA_REDISTRIBUTE_DEFAULT_DELETE] = zebra_redistribute_default_delete, | |
2458 | [ZEBRA_IPV4_NEXTHOP_LOOKUP_MRIB] = zread_ipv4_nexthop_lookup_mrib, | |
2459 | [ZEBRA_HELLO] = zread_hello, | |
2460 | [ZEBRA_NEXTHOP_REGISTER] = zread_rnh_register, | |
2461 | [ZEBRA_NEXTHOP_UNREGISTER] = zread_rnh_unregister, | |
2462 | [ZEBRA_IMPORT_ROUTE_REGISTER] = zread_rnh_register, | |
2463 | [ZEBRA_IMPORT_ROUTE_UNREGISTER] = zread_rnh_unregister, | |
2464 | [ZEBRA_BFD_DEST_UPDATE] = zebra_ptm_bfd_dst_register, | |
2465 | [ZEBRA_BFD_DEST_REGISTER] = zebra_ptm_bfd_dst_register, | |
2466 | [ZEBRA_BFD_DEST_DEREGISTER] = zebra_ptm_bfd_dst_deregister, | |
d3af6147 RZ |
2467 | #if HAVE_BFDD > 0 |
2468 | [ZEBRA_BFD_DEST_REPLAY] = zebra_ptm_bfd_dst_replay, | |
2469 | #endif /* HAVE_BFDD */ | |
bf094f69 QY |
2470 | [ZEBRA_VRF_UNREGISTER] = zread_vrf_unregister, |
2471 | [ZEBRA_VRF_LABEL] = zread_vrf_label, | |
2472 | [ZEBRA_BFD_CLIENT_REGISTER] = zebra_ptm_bfd_client_register, | |
2473 | #if defined(HAVE_RTADV) | |
2474 | [ZEBRA_INTERFACE_ENABLE_RADV] = zebra_interface_radv_enable, | |
2475 | [ZEBRA_INTERFACE_DISABLE_RADV] = zebra_interface_radv_disable, | |
2476 | #else | |
2477 | [ZEBRA_INTERFACE_ENABLE_RADV] = NULL, | |
2478 | [ZEBRA_INTERFACE_DISABLE_RADV] = NULL, | |
2479 | #endif | |
2480 | [ZEBRA_MPLS_LABELS_ADD] = zread_mpls_labels, | |
2481 | [ZEBRA_MPLS_LABELS_DELETE] = zread_mpls_labels, | |
2482 | [ZEBRA_IPMR_ROUTE_STATS] = zebra_ipmr_route_stats, | |
2483 | [ZEBRA_LABEL_MANAGER_CONNECT] = zread_label_manager_request, | |
f533be73 | 2484 | [ZEBRA_LABEL_MANAGER_CONNECT_ASYNC] = zread_label_manager_request, |
bf094f69 QY |
2485 | [ZEBRA_GET_LABEL_CHUNK] = zread_label_manager_request, |
2486 | [ZEBRA_RELEASE_LABEL_CHUNK] = zread_label_manager_request, | |
2487 | [ZEBRA_FEC_REGISTER] = zread_fec_register, | |
2488 | [ZEBRA_FEC_UNREGISTER] = zread_fec_unregister, | |
2489 | [ZEBRA_ADVERTISE_DEFAULT_GW] = zebra_vxlan_advertise_gw_macip, | |
278e26de | 2490 | [ZEBRA_ADVERTISE_SVI_MACIP] = zebra_vxlan_advertise_svi_macip, |
bf094f69 QY |
2491 | [ZEBRA_ADVERTISE_SUBNET] = zebra_vxlan_advertise_subnet, |
2492 | [ZEBRA_ADVERTISE_ALL_VNI] = zebra_vxlan_advertise_all_vni, | |
2493 | [ZEBRA_REMOTE_VTEP_ADD] = zebra_vxlan_remote_vtep_add, | |
2494 | [ZEBRA_REMOTE_VTEP_DEL] = zebra_vxlan_remote_vtep_del, | |
2495 | [ZEBRA_REMOTE_MACIP_ADD] = zebra_vxlan_remote_macip_add, | |
2496 | [ZEBRA_REMOTE_MACIP_DEL] = zebra_vxlan_remote_macip_del, | |
3950b52c | 2497 | [ZEBRA_DUPLICATE_ADDR_DETECTION] = zebra_vxlan_dup_addr_detection, |
bf094f69 QY |
2498 | [ZEBRA_INTERFACE_SET_MASTER] = zread_interface_set_master, |
2499 | [ZEBRA_PW_ADD] = zread_pseudowire, | |
2500 | [ZEBRA_PW_DELETE] = zread_pseudowire, | |
2501 | [ZEBRA_PW_SET] = zread_pseudowire, | |
2502 | [ZEBRA_PW_UNSET] = zread_pseudowire, | |
2503 | [ZEBRA_RULE_ADD] = zread_rule, | |
2504 | [ZEBRA_RULE_DELETE] = zread_rule, | |
2505 | [ZEBRA_TABLE_MANAGER_CONNECT] = zread_table_manager_request, | |
2506 | [ZEBRA_GET_TABLE_CHUNK] = zread_table_manager_request, | |
2507 | [ZEBRA_RELEASE_TABLE_CHUNK] = zread_table_manager_request, | |
2508 | [ZEBRA_IPSET_CREATE] = zread_ipset, | |
2509 | [ZEBRA_IPSET_DESTROY] = zread_ipset, | |
2510 | [ZEBRA_IPSET_ENTRY_ADD] = zread_ipset_entry, | |
2511 | [ZEBRA_IPSET_ENTRY_DELETE] = zread_ipset_entry, | |
2512 | [ZEBRA_IPTABLE_ADD] = zread_iptable, | |
2513 | [ZEBRA_IPTABLE_DELETE] = zread_iptable, | |
fbac9605 | 2514 | [ZEBRA_VXLAN_FLOOD_CONTROL] = zebra_vxlan_flood_control, |
bf094f69 QY |
2515 | }; |
2516 | ||
727c9b99 QY |
2517 | #if defined(HANDLE_ZAPI_FUZZING) |
2518 | extern struct zebra_privs_t zserv_privs; | |
2519 | ||
2520 | static void zserv_write_incoming(struct stream *orig, uint16_t command) | |
2521 | { | |
2522 | char fname[MAXPATHLEN]; | |
2523 | struct stream *copy; | |
2524 | int fd = -1; | |
2525 | ||
2526 | copy = stream_dup(orig); | |
2527 | stream_set_getp(copy, 0); | |
2528 | ||
3c649c71 | 2529 | snprintf(fname, MAXPATHLEN, "%s/%u", frr_vtydir, command); |
6bb30c2c DL |
2530 | |
2531 | frr_elevate_privs(&zserv_privs) { | |
2532 | fd = open(fname, O_CREAT | O_WRONLY | O_EXCL, 0644); | |
2533 | } | |
727c9b99 QY |
2534 | stream_flush(copy, fd); |
2535 | close(fd); | |
727c9b99 QY |
2536 | stream_free(copy); |
2537 | } | |
2538 | #endif | |
2539 | ||
904e0d88 | 2540 | void zserv_handle_commands(struct zserv *client, struct stream *msg) |
bf094f69 | 2541 | { |
904e0d88 QY |
2542 | struct zmsghdr hdr; |
2543 | struct zebra_vrf *zvrf; | |
2544 | ||
2545 | zapi_parse_header(msg, &hdr); | |
bf094f69 | 2546 | |
49b3b01f QY |
2547 | if (IS_ZEBRA_DEBUG_PACKET && IS_ZEBRA_DEBUG_RECV) |
2548 | zserv_log_message(NULL, msg, &hdr); | |
2549 | ||
727c9b99 QY |
2550 | #if defined(HANDLE_ZAPI_FUZZING) |
2551 | zserv_write_incoming(msg, hdr.command); | |
2552 | #endif | |
2553 | ||
904e0d88 QY |
2554 | hdr.length -= ZEBRA_HEADER_SIZE; |
2555 | ||
2556 | /* lookup vrf */ | |
2557 | zvrf = zebra_vrf_lookup_by_id(hdr.vrf_id); | |
2558 | if (!zvrf) { | |
2559 | if (IS_ZEBRA_DEBUG_PACKET && IS_ZEBRA_DEBUG_RECV) | |
9df414fe QY |
2560 | zlog_debug("ZAPI message specifies unknown VRF: %d", |
2561 | hdr.vrf_id); | |
904e0d88 QY |
2562 | return; |
2563 | } | |
2564 | ||
aa360de7 | 2565 | if (hdr.command >= array_size(zserv_handlers) |
904e0d88 QY |
2566 | || zserv_handlers[hdr.command] == NULL) |
2567 | zlog_info("Zebra received unknown command %d", hdr.command); | |
2568 | else | |
2569 | zserv_handlers[hdr.command](client, &hdr, msg, zvrf); | |
bf094f69 | 2570 | } |