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718e3744 | 1 | /* Zebra daemon server routine. |
2 | * Copyright (C) 1997, 98, 99 Kunihiro Ishiguro | |
3 | * | |
4 | * This file is part of GNU Zebra. | |
5 | * | |
6 | * GNU Zebra is free software; you can redistribute it and/or modify it | |
7 | * under the terms of the GNU General Public License as published by the | |
8 | * Free Software Foundation; either version 2, or (at your option) any | |
9 | * later version. | |
10 | * | |
11 | * GNU Zebra is distributed in the hope that it will be useful, but | |
12 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
14 | * General Public License for more details. | |
15 | * | |
16 | * You should have received a copy of the GNU General Public License | |
17 | * along with GNU Zebra; see the file COPYING. If not, write to the | |
18 | * Free Software Foundation, Inc., 59 Temple Place - Suite 330, | |
19 | * Boston, MA 02111-1307, USA. | |
20 | */ | |
21 | ||
22 | #include <zebra.h> | |
23 | ||
24 | #include "prefix.h" | |
25 | #include "command.h" | |
26 | #include "if.h" | |
27 | #include "thread.h" | |
28 | #include "stream.h" | |
29 | #include "memory.h" | |
4a1ab8e4 | 30 | #include "zebra_memory.h" |
718e3744 | 31 | #include "table.h" |
32 | #include "rib.h" | |
33 | #include "network.h" | |
34 | #include "sockunion.h" | |
35 | #include "log.h" | |
36 | #include "zclient.h" | |
edd7c245 | 37 | #include "privs.h" |
719e9741 | 38 | #include "network.h" |
39 | #include "buffer.h" | |
fb018d25 | 40 | #include "nexthop.h" |
78104b9b | 41 | #include "vrf.h" |
718e3744 | 42 | |
43 | #include "zebra/zserv.h" | |
7c551956 DS |
44 | #include "zebra/zebra_ns.h" |
45 | #include "zebra/zebra_vrf.h" | |
18a6dce6 | 46 | #include "zebra/router-id.h" |
718e3744 | 47 | #include "zebra/redistribute.h" |
48 | #include "zebra/debug.h" | |
49 | #include "zebra/ipforward.h" | |
fb018d25 | 50 | #include "zebra/zebra_rnh.h" |
5c610faf | 51 | #include "zebra/rt_netlink.h" |
88177fe3 DS |
52 | #include "zebra/interface.h" |
53 | #include "zebra/zebra_ptm.h" | |
4a04e5f7 | 54 | #include "zebra/rtadv.h" |
ce549947 | 55 | #include "zebra/zebra_mpls.h" |
518acd6f | 56 | #include "zebra/zebra_fpm.h" |
6b0655a2 | 57 | |
718e3744 | 58 | /* Event list of zebra. */ |
59 | enum event { ZEBRA_SERV, ZEBRA_READ, ZEBRA_WRITE }; | |
60 | ||
b9df2d25 | 61 | static void zebra_event (enum event event, int sock, struct zserv *client); |
ccf3557b | 62 | |
edd7c245 | 63 | extern struct zebra_privs_t zserv_privs; |
6b0655a2 | 64 | |
719e9741 | 65 | static void zebra_client_close (struct zserv *client); |
ccf3557b | 66 | |
719e9741 | 67 | static int |
68 | zserv_delayed_close(struct thread *thread) | |
ccf3557b | 69 | { |
719e9741 | 70 | struct zserv *client = THREAD_ARG(thread); |
ccf3557b | 71 | |
719e9741 | 72 | client->t_suicide = NULL; |
73 | zebra_client_close(client); | |
ccf3557b | 74 | return 0; |
75 | } | |
76 | ||
719e9741 | 77 | static int |
78 | zserv_flush_data(struct thread *thread) | |
ccf3557b | 79 | { |
719e9741 | 80 | struct zserv *client = THREAD_ARG(thread); |
ccf3557b | 81 | |
719e9741 | 82 | client->t_write = NULL; |
83 | if (client->t_suicide) | |
ccf3557b | 84 | { |
719e9741 | 85 | zebra_client_close(client); |
86 | return -1; | |
ccf3557b | 87 | } |
719e9741 | 88 | switch (buffer_flush_available(client->wb, client->sock)) |
ccf3557b | 89 | { |
719e9741 | 90 | case BUFFER_ERROR: |
91 | zlog_warn("%s: buffer_flush_available failed on zserv client fd %d, " | |
92 | "closing", __func__, client->sock); | |
93 | zebra_client_close(client); | |
94 | break; | |
95 | case BUFFER_PENDING: | |
96 | client->t_write = thread_add_write(zebrad.master, zserv_flush_data, | |
97 | client, client->sock); | |
98 | break; | |
99 | case BUFFER_EMPTY: | |
100 | break; | |
ccf3557b | 101 | } |
04b02fda | 102 | |
2176b7c3 | 103 | client->last_write_time = quagga_monotime(); |
719e9741 | 104 | return 0; |
105 | } | |
ccf3557b | 106 | |
fb018d25 | 107 | int |
719e9741 | 108 | zebra_server_send_message(struct zserv *client) |
109 | { | |
110 | if (client->t_suicide) | |
111 | return -1; | |
04b02fda DS |
112 | |
113 | stream_set_getp(client->obuf, 0); | |
80ab3edf | 114 | client->last_write_cmd = stream_getw_from(client->obuf, 6); |
719e9741 | 115 | switch (buffer_write(client->wb, client->sock, STREAM_DATA(client->obuf), |
116 | stream_get_endp(client->obuf))) | |
117 | { | |
118 | case BUFFER_ERROR: | |
119 | zlog_warn("%s: buffer_write failed to zserv client fd %d, closing", | |
120 | __func__, client->sock); | |
121 | /* Schedule a delayed close since many of the functions that call this | |
122 | one do not check the return code. They do not allow for the | |
123 | possibility that an I/O error may have caused the client to be | |
124 | deleted. */ | |
125 | client->t_suicide = thread_add_event(zebrad.master, zserv_delayed_close, | |
126 | client, 0); | |
127 | return -1; | |
719e9741 | 128 | case BUFFER_EMPTY: |
129 | THREAD_OFF(client->t_write); | |
130 | break; | |
131 | case BUFFER_PENDING: | |
132 | THREAD_WRITE_ON(zebrad.master, client->t_write, | |
133 | zserv_flush_data, client, client->sock); | |
134 | break; | |
135 | } | |
04b02fda | 136 | |
2176b7c3 | 137 | client->last_write_time = quagga_monotime(); |
ccf3557b | 138 | return 0; |
139 | } | |
140 | ||
fb018d25 | 141 | void |
7076bb2f | 142 | zserv_create_header (struct stream *s, uint16_t cmd, vrf_id_t vrf_id) |
c1b9800a | 143 | { |
144 | /* length placeholder, caller can update */ | |
145 | stream_putw (s, ZEBRA_HEADER_SIZE); | |
146 | stream_putc (s, ZEBRA_HEADER_MARKER); | |
147 | stream_putc (s, ZSERV_VERSION); | |
7076bb2f | 148 | stream_putw (s, vrf_id); |
c1b9800a | 149 | stream_putw (s, cmd); |
150 | } | |
151 | ||
51d4ef83 JB |
152 | static void |
153 | zserv_encode_interface (struct stream *s, struct interface *ifp) | |
154 | { | |
155 | /* Interface information. */ | |
156 | stream_put (s, ifp->name, INTERFACE_NAMSIZ); | |
157 | stream_putl (s, ifp->ifindex); | |
158 | stream_putc (s, ifp->status); | |
159 | stream_putq (s, ifp->flags); | |
244c1cdc DS |
160 | stream_putc (s, ifp->ptm_enable); |
161 | stream_putc (s, ifp->ptm_status); | |
51d4ef83 JB |
162 | stream_putl (s, ifp->metric); |
163 | stream_putl (s, ifp->mtu); | |
164 | stream_putl (s, ifp->mtu6); | |
165 | stream_putl (s, ifp->bandwidth); | |
8ccc7e80 | 166 | stream_putl (s, ifp->ll_type); |
51d4ef83 JB |
167 | stream_putl (s, ifp->hw_addr_len); |
168 | if (ifp->hw_addr_len) | |
169 | stream_put (s, ifp->hw_addr, ifp->hw_addr_len); | |
51d4ef83 | 170 | |
16f1b9ee OD |
171 | /* Then, Traffic Engineering parameters if any */ |
172 | if (HAS_LINK_PARAMS(ifp) && IS_LINK_PARAMS_SET(ifp->link_params)) | |
173 | { | |
174 | stream_putc (s, 1); | |
175 | zebra_interface_link_params_write (s, ifp); | |
176 | } | |
177 | else | |
178 | stream_putc (s, 0); | |
179 | ||
51d4ef83 JB |
180 | /* Write packet size. */ |
181 | stream_putw_at (s, 0, stream_get_endp (s)); | |
182 | } | |
183 | ||
12f6fb97 | 184 | static void |
9e1bf607 | 185 | zserv_encode_vrf (struct stream *s, struct zebra_vrf *zvrf) |
12f6fb97 DS |
186 | { |
187 | /* Interface information. */ | |
661512bf | 188 | stream_put (s, zvrf_name (zvrf), VRF_NAMSIZ); |
12f6fb97 DS |
189 | |
190 | /* Write packet size. */ | |
191 | stream_putw_at (s, 0, stream_get_endp (s)); | |
192 | } | |
193 | ||
718e3744 | 194 | /* Interface is added. Send ZEBRA_INTERFACE_ADD to client. */ |
b9df2d25 | 195 | /* |
196 | * This function is called in the following situations: | |
197 | * - in response to a 3-byte ZEBRA_INTERFACE_ADD request | |
198 | * from the client. | |
199 | * - at startup, when zebra figures out the available interfaces | |
200 | * - when an interface is added (where support for | |
201 | * RTM_IFANNOUNCE or AF_NETLINK sockets is available), or when | |
202 | * an interface is marked IFF_UP (i.e., an RTM_IFINFO message is | |
203 | * received) | |
204 | */ | |
718e3744 | 205 | int |
206 | zsend_interface_add (struct zserv *client, struct interface *ifp) | |
207 | { | |
208 | struct stream *s; | |
209 | ||
718e3744 | 210 | s = client->obuf; |
211 | stream_reset (s); | |
212 | ||
7076bb2f | 213 | zserv_create_header (s, ZEBRA_INTERFACE_ADD, ifp->vrf_id); |
51d4ef83 | 214 | zserv_encode_interface (s, ifp); |
718e3744 | 215 | |
04b02fda | 216 | client->ifadd_cnt++; |
719e9741 | 217 | return zebra_server_send_message(client); |
718e3744 | 218 | } |
219 | ||
220 | /* Interface deletion from zebra daemon. */ | |
221 | int | |
222 | zsend_interface_delete (struct zserv *client, struct interface *ifp) | |
223 | { | |
224 | struct stream *s; | |
225 | ||
718e3744 | 226 | s = client->obuf; |
227 | stream_reset (s); | |
718e3744 | 228 | |
7076bb2f | 229 | zserv_create_header (s, ZEBRA_INTERFACE_DELETE, ifp->vrf_id); |
51d4ef83 | 230 | zserv_encode_interface (s, ifp); |
718e3744 | 231 | |
04b02fda | 232 | client->ifdel_cnt++; |
719e9741 | 233 | return zebra_server_send_message (client); |
718e3744 | 234 | } |
235 | ||
12f6fb97 | 236 | int |
9e1bf607 | 237 | zsend_vrf_add (struct zserv *client, struct zebra_vrf *zvrf) |
12f6fb97 DS |
238 | { |
239 | struct stream *s; | |
240 | ||
241 | s = client->obuf; | |
242 | stream_reset (s); | |
243 | ||
661512bf | 244 | zserv_create_header (s, ZEBRA_VRF_ADD, zvrf_id (zvrf)); |
9e1bf607 | 245 | zserv_encode_vrf (s, zvrf); |
12f6fb97 DS |
246 | |
247 | client->vrfadd_cnt++; | |
248 | return zebra_server_send_message(client); | |
249 | } | |
250 | ||
251 | /* VRF deletion from zebra daemon. */ | |
252 | int | |
9e1bf607 | 253 | zsend_vrf_delete (struct zserv *client, struct zebra_vrf *zvrf) |
12f6fb97 DS |
254 | { |
255 | struct stream *s; | |
256 | ||
257 | s = client->obuf; | |
258 | stream_reset (s); | |
259 | ||
661512bf | 260 | zserv_create_header (s, ZEBRA_VRF_DELETE, zvrf_id (zvrf)); |
9e1bf607 | 261 | zserv_encode_vrf (s, zvrf); |
12f6fb97 DS |
262 | |
263 | client->vrfdel_cnt++; | |
264 | return zebra_server_send_message (client); | |
265 | } | |
266 | ||
16f1b9ee OD |
267 | int |
268 | zsend_interface_link_params (struct zserv *client, struct interface *ifp) | |
269 | { | |
270 | struct stream *s; | |
271 | ||
272 | /* Check this client need interface information. */ | |
273 | if (! client->ifinfo) | |
274 | return 0; | |
275 | ||
276 | if (!ifp->link_params) | |
277 | return 0; | |
278 | s = client->obuf; | |
279 | stream_reset (s); | |
280 | ||
281 | zserv_create_header (s, ZEBRA_INTERFACE_LINK_PARAMS, ifp->vrf_id); | |
282 | ||
283 | /* Add Interface Index */ | |
284 | stream_putl (s, ifp->ifindex); | |
285 | ||
286 | /* Then TE Link Parameters */ | |
287 | if (zebra_interface_link_params_write (s, ifp) == 0) | |
288 | return 0; | |
289 | ||
290 | /* Write packet size. */ | |
291 | stream_putw_at (s, 0, stream_get_endp (s)); | |
292 | ||
293 | return zebra_server_send_message (client); | |
294 | } | |
295 | ||
b9df2d25 | 296 | /* Interface address is added/deleted. Send ZEBRA_INTERFACE_ADDRESS_ADD or |
297 | * ZEBRA_INTERFACE_ADDRESS_DELETE to the client. | |
298 | * | |
299 | * A ZEBRA_INTERFACE_ADDRESS_ADD is sent in the following situations: | |
300 | * - in response to a 3-byte ZEBRA_INTERFACE_ADD request | |
301 | * from the client, after the ZEBRA_INTERFACE_ADD has been | |
302 | * sent from zebra to the client | |
303 | * - redistribute new address info to all clients in the following situations | |
304 | * - at startup, when zebra figures out the available interfaces | |
305 | * - when an interface is added (where support for | |
306 | * RTM_IFANNOUNCE or AF_NETLINK sockets is available), or when | |
307 | * an interface is marked IFF_UP (i.e., an RTM_IFINFO message is | |
308 | * received) | |
309 | * - for the vty commands "ip address A.B.C.D/M [<secondary>|<label LINE>]" | |
310 | * and "no bandwidth <1-10000000>", "ipv6 address X:X::X:X/M" | |
311 | * - when an RTM_NEWADDR message is received from the kernel, | |
312 | * | |
313 | * The call tree that triggers ZEBRA_INTERFACE_ADDRESS_DELETE: | |
314 | * | |
315 | * zsend_interface_address(DELETE) | |
316 | * ^ | |
317 | * | | |
318 | * zebra_interface_address_delete_update | |
319 | * ^ ^ ^ | |
6eb8827d | 320 | * | | if_delete_update |
321 | * | | | |
b9df2d25 | 322 | * ip_address_uninstall connected_delete_ipv4 |
323 | * [ipv6_addresss_uninstall] [connected_delete_ipv6] | |
324 | * ^ ^ | |
325 | * | | | |
326 | * | RTM_NEWADDR on routing/netlink socket | |
327 | * | | |
328 | * vty commands: | |
329 | * "no ip address A.B.C.D/M [label LINE]" | |
330 | * "no ip address A.B.C.D/M secondary" | |
331 | * ["no ipv6 address X:X::X:X/M"] | |
332 | * | |
333 | */ | |
718e3744 | 334 | int |
b9df2d25 | 335 | zsend_interface_address (int cmd, struct zserv *client, |
336 | struct interface *ifp, struct connected *ifc) | |
718e3744 | 337 | { |
338 | int blen; | |
339 | struct stream *s; | |
340 | struct prefix *p; | |
341 | ||
718e3744 | 342 | s = client->obuf; |
343 | stream_reset (s); | |
c1b9800a | 344 | |
7076bb2f | 345 | zserv_create_header (s, cmd, ifp->vrf_id); |
718e3744 | 346 | stream_putl (s, ifp->ifindex); |
347 | ||
348 | /* Interface address flag. */ | |
349 | stream_putc (s, ifc->flags); | |
350 | ||
351 | /* Prefix information. */ | |
352 | p = ifc->address; | |
353 | stream_putc (s, p->family); | |
354 | blen = prefix_blen (p); | |
355 | stream_put (s, &p->u.prefix, blen); | |
b9df2d25 | 356 | |
357 | /* | |
358 | * XXX gnu version does not send prefixlen for ZEBRA_INTERFACE_ADDRESS_DELETE | |
359 | * but zebra_interface_address_delete_read() in the gnu version | |
360 | * expects to find it | |
361 | */ | |
718e3744 | 362 | stream_putc (s, p->prefixlen); |
363 | ||
364 | /* Destination. */ | |
365 | p = ifc->destination; | |
366 | if (p) | |
367 | stream_put (s, &p->u.prefix, blen); | |
368 | else | |
369 | stream_put (s, NULL, blen); | |
370 | ||
371 | /* Write packet size. */ | |
372 | stream_putw_at (s, 0, stream_get_endp (s)); | |
373 | ||
04b02fda | 374 | client->connected_rt_add_cnt++; |
719e9741 | 375 | return zebra_server_send_message(client); |
718e3744 | 376 | } |
377 | ||
a80beece DS |
378 | static int |
379 | zsend_interface_nbr_address (int cmd, struct zserv *client, | |
380 | struct interface *ifp, struct nbr_connected *ifc) | |
381 | { | |
382 | int blen; | |
383 | struct stream *s; | |
384 | struct prefix *p; | |
385 | ||
a80beece DS |
386 | s = client->obuf; |
387 | stream_reset (s); | |
388 | ||
7076bb2f | 389 | zserv_create_header (s, cmd, ifp->vrf_id); |
a80beece DS |
390 | stream_putl (s, ifp->ifindex); |
391 | ||
392 | /* Prefix information. */ | |
393 | p = ifc->address; | |
394 | stream_putc (s, p->family); | |
395 | blen = prefix_blen (p); | |
396 | stream_put (s, &p->u.prefix, blen); | |
397 | ||
398 | /* | |
399 | * XXX gnu version does not send prefixlen for ZEBRA_INTERFACE_ADDRESS_DELETE | |
400 | * but zebra_interface_address_delete_read() in the gnu version | |
401 | * expects to find it | |
402 | */ | |
403 | stream_putc (s, p->prefixlen); | |
404 | ||
405 | /* Write packet size. */ | |
406 | stream_putw_at (s, 0, stream_get_endp (s)); | |
407 | ||
408 | return zebra_server_send_message(client); | |
409 | } | |
410 | ||
411 | /* Interface address addition. */ | |
412 | static void | |
413 | zebra_interface_nbr_address_add_update (struct interface *ifp, | |
414 | struct nbr_connected *ifc) | |
415 | { | |
416 | struct listnode *node, *nnode; | |
417 | struct zserv *client; | |
418 | struct prefix *p; | |
419 | ||
420 | if (IS_ZEBRA_DEBUG_EVENT) | |
421 | { | |
422 | char buf[INET6_ADDRSTRLEN]; | |
423 | ||
424 | p = ifc->address; | |
425 | zlog_debug ("MESSAGE: ZEBRA_INTERFACE_NBR_ADDRESS_ADD %s/%d on %s", | |
426 | inet_ntop (p->family, &p->u.prefix, buf, INET6_ADDRSTRLEN), | |
427 | p->prefixlen, ifc->ifp->name); | |
428 | } | |
429 | ||
430 | for (ALL_LIST_ELEMENTS (zebrad.client_list, node, nnode, client)) | |
4fe51714 | 431 | zsend_interface_nbr_address (ZEBRA_INTERFACE_NBR_ADDRESS_ADD, client, ifp, ifc); |
a80beece DS |
432 | } |
433 | ||
434 | /* Interface address deletion. */ | |
435 | static void | |
436 | zebra_interface_nbr_address_delete_update (struct interface *ifp, | |
437 | struct nbr_connected *ifc) | |
438 | { | |
439 | struct listnode *node, *nnode; | |
440 | struct zserv *client; | |
441 | struct prefix *p; | |
442 | ||
443 | if (IS_ZEBRA_DEBUG_EVENT) | |
444 | { | |
445 | char buf[INET6_ADDRSTRLEN]; | |
446 | ||
447 | p = ifc->address; | |
448 | zlog_debug ("MESSAGE: ZEBRA_INTERFACE_NBR_ADDRESS_DELETE %s/%d on %s", | |
449 | inet_ntop (p->family, &p->u.prefix, buf, INET6_ADDRSTRLEN), | |
450 | p->prefixlen, ifc->ifp->name); | |
451 | } | |
452 | ||
453 | for (ALL_LIST_ELEMENTS (zebrad.client_list, node, nnode, client)) | |
4fe51714 | 454 | zsend_interface_nbr_address (ZEBRA_INTERFACE_NBR_ADDRESS_DELETE, client, ifp, ifc); |
a80beece DS |
455 | } |
456 | ||
c8e264b6 | 457 | /* Send addresses on interface to client */ |
458 | int | |
459 | zsend_interface_addresses (struct zserv *client, struct interface *ifp) | |
460 | { | |
461 | struct listnode *cnode, *cnnode; | |
462 | struct connected *c; | |
463 | struct nbr_connected *nc; | |
464 | ||
465 | /* Send interface addresses. */ | |
466 | for (ALL_LIST_ELEMENTS (ifp->connected, cnode, cnnode, c)) | |
467 | { | |
468 | if (!CHECK_FLAG (c->conf, ZEBRA_IFC_REAL)) | |
469 | continue; | |
470 | ||
471 | if (zsend_interface_address (ZEBRA_INTERFACE_ADDRESS_ADD, client, | |
472 | ifp, c) < 0) | |
473 | return -1; | |
474 | } | |
475 | ||
476 | /* Send interface neighbors. */ | |
477 | for (ALL_LIST_ELEMENTS (ifp->nbr_connected, cnode, cnnode, nc)) | |
478 | { | |
479 | if (zsend_interface_nbr_address (ZEBRA_INTERFACE_NBR_ADDRESS_ADD, | |
480 | client, ifp, nc) < 0) | |
481 | return -1; | |
482 | } | |
483 | ||
484 | return 0; | |
485 | } | |
486 | ||
487 | /* Notify client about interface moving from one VRF to another. | |
488 | * Whether client is interested in old and new VRF is checked by caller. | |
489 | */ | |
490 | int | |
491 | zsend_interface_vrf_update (struct zserv *client, struct interface *ifp, | |
492 | vrf_id_t vrf_id) | |
493 | { | |
494 | struct stream *s; | |
495 | ||
496 | s = client->obuf; | |
497 | stream_reset (s); | |
498 | ||
499 | zserv_create_header (s, ZEBRA_INTERFACE_VRF_UPDATE, ifp->vrf_id); | |
500 | ||
501 | /* Fill in the ifIndex of the interface and its new VRF (id) */ | |
502 | stream_putl (s, ifp->ifindex); | |
503 | stream_putw (s, vrf_id); | |
504 | ||
505 | /* Write packet size. */ | |
506 | stream_putw_at (s, 0, stream_get_endp (s)); | |
507 | ||
508 | client->if_vrfchg_cnt++; | |
509 | return zebra_server_send_message(client); | |
510 | } | |
511 | ||
1d20ccf3 | 512 | /* Add new nbr connected IPv6 address */ |
a80beece | 513 | void |
1d20ccf3 | 514 | nbr_connected_add_ipv6 (struct interface *ifp, struct in6_addr *address) |
a80beece DS |
515 | { |
516 | struct nbr_connected *ifc; | |
517 | struct prefix p; | |
518 | ||
519 | p.family = AF_INET6; | |
520 | IPV6_ADDR_COPY (&p.u.prefix, address); | |
1d20ccf3 | 521 | p.prefixlen = IPV6_MAX_PREFIXLEN; |
a80beece DS |
522 | |
523 | if (!(ifc = listnode_head(ifp->nbr_connected))) | |
524 | { | |
525 | /* new addition */ | |
526 | ifc = nbr_connected_new (); | |
527 | ifc->address = prefix_new(); | |
528 | ifc->ifp = ifp; | |
529 | listnode_add (ifp->nbr_connected, ifc); | |
530 | } | |
531 | ||
532 | prefix_copy(ifc->address, &p); | |
533 | ||
534 | zebra_interface_nbr_address_add_update (ifp, ifc); | |
5c610faf DS |
535 | |
536 | if_nbr_ipv6ll_to_ipv4ll_neigh_update (ifp, address, 1); | |
a80beece DS |
537 | } |
538 | ||
539 | void | |
1d20ccf3 | 540 | nbr_connected_delete_ipv6 (struct interface *ifp, struct in6_addr *address) |
a80beece DS |
541 | { |
542 | struct nbr_connected *ifc; | |
543 | struct prefix p; | |
544 | ||
545 | p.family = AF_INET6; | |
546 | IPV6_ADDR_COPY (&p.u.prefix, address); | |
1d20ccf3 | 547 | p.prefixlen = IPV6_MAX_PREFIXLEN; |
a80beece DS |
548 | |
549 | ifc = nbr_connected_check(ifp, &p); | |
550 | if (!ifc) | |
551 | return; | |
552 | ||
553 | listnode_delete (ifp->nbr_connected, ifc); | |
554 | ||
555 | zebra_interface_nbr_address_delete_update (ifp, ifc); | |
556 | ||
5c610faf DS |
557 | if_nbr_ipv6ll_to_ipv4ll_neigh_update (ifp, address, 0); |
558 | ||
a80beece DS |
559 | nbr_connected_free (ifc); |
560 | } | |
561 | ||
b9df2d25 | 562 | /* |
563 | * The cmd passed to zsend_interface_update may be ZEBRA_INTERFACE_UP or | |
564 | * ZEBRA_INTERFACE_DOWN. | |
565 | * | |
566 | * The ZEBRA_INTERFACE_UP message is sent from the zebra server to | |
567 | * the clients in one of 2 situations: | |
568 | * - an if_up is detected e.g., as a result of an RTM_IFINFO message | |
569 | * - a vty command modifying the bandwidth of an interface is received. | |
570 | * The ZEBRA_INTERFACE_DOWN message is sent when an if_down is detected. | |
571 | */ | |
718e3744 | 572 | int |
b9df2d25 | 573 | zsend_interface_update (int cmd, struct zserv *client, struct interface *ifp) |
718e3744 | 574 | { |
575 | struct stream *s; | |
576 | ||
718e3744 | 577 | s = client->obuf; |
578 | stream_reset (s); | |
579 | ||
7076bb2f | 580 | zserv_create_header (s, cmd, ifp->vrf_id); |
51d4ef83 | 581 | zserv_encode_interface (s, ifp); |
718e3744 | 582 | |
04b02fda DS |
583 | if (cmd == ZEBRA_INTERFACE_UP) |
584 | client->ifup_cnt++; | |
585 | else | |
586 | client->ifdown_cnt++; | |
587 | ||
719e9741 | 588 | return zebra_server_send_message(client); |
718e3744 | 589 | } |
590 | ||
b9df2d25 | 591 | /* |
5048fe14 | 592 | * This is the new function to announce and withdraw redistributed routes, used |
593 | * by Zebra. This is the old zsend_route_multipath() function. That function | |
594 | * was duplicating code to send a lot of information that was essentially thrown | |
595 | * away or ignored by the receiver. This is the leaner function that is not a | |
596 | * duplicate of the zapi_ipv4_route_add/del. | |
b9df2d25 | 597 | * |
5048fe14 | 598 | * The primary difference is that this function merely sends a single NH instead of |
599 | * all the nexthops. | |
b9df2d25 | 600 | */ |
718e3744 | 601 | int |
9c6060d4 | 602 | zsend_redistribute_route (int add, struct zserv *client, struct prefix *p, |
5048fe14 | 603 | struct rib *rib) |
718e3744 | 604 | { |
9c6060d4 RW |
605 | afi_t afi; |
606 | int cmd; | |
718e3744 | 607 | int psize; |
608 | struct stream *s; | |
609 | struct nexthop *nexthop; | |
1dcb5172 | 610 | unsigned long nhnummark = 0, messmark = 0; |
b9df2d25 | 611 | int nhnum = 0; |
1dcb5172 | 612 | u_char zapi_flags = 0; |
5048fe14 | 613 | struct nexthop dummy_nh; |
614 | ||
9c6060d4 RW |
615 | afi = family2afi (p->family); |
616 | if (add) | |
617 | { | |
618 | switch (afi) | |
619 | { | |
620 | case AFI_IP: | |
621 | cmd = ZEBRA_REDISTRIBUTE_IPV4_ADD; | |
622 | client->redist_v4_add_cnt++; | |
623 | break; | |
624 | case AFI_IP6: | |
625 | cmd = ZEBRA_REDISTRIBUTE_IPV6_ADD; | |
626 | client->redist_v6_add_cnt++; | |
627 | break; | |
628 | default: | |
629 | return -1; | |
630 | } | |
631 | } | |
632 | else | |
633 | { | |
634 | switch (afi) | |
635 | { | |
636 | case AFI_IP: | |
637 | cmd = ZEBRA_REDISTRIBUTE_IPV4_DEL; | |
638 | client->redist_v4_del_cnt++; | |
639 | break; | |
640 | case AFI_IP6: | |
641 | cmd = ZEBRA_REDISTRIBUTE_IPV6_DEL; | |
642 | client->redist_v6_del_cnt++; | |
643 | break; | |
644 | default: | |
645 | return -1; | |
646 | } | |
647 | } | |
7076bb2f | 648 | |
718e3744 | 649 | s = client->obuf; |
650 | stream_reset (s); | |
5048fe14 | 651 | memset(&dummy_nh, 0, sizeof(struct nexthop)); |
652 | ||
7076bb2f FL |
653 | zserv_create_header (s, cmd, rib->vrf_id); |
654 | ||
c1b9800a | 655 | /* Put type and nexthop. */ |
718e3744 | 656 | stream_putc (s, rib->type); |
7c8ff89e | 657 | stream_putw (s, rib->instance); |
0fc452dc | 658 | stream_putl (s, rib->flags); |
5048fe14 | 659 | |
1dcb5172 | 660 | /* marker for message flags field */ |
661 | messmark = stream_get_endp (s); | |
662 | stream_putc (s, 0); | |
718e3744 | 663 | |
664 | /* Prefix. */ | |
665 | psize = PSIZE (p->prefixlen); | |
666 | stream_putc (s, p->prefixlen); | |
b9df2d25 | 667 | stream_write (s, (u_char *) & p->u.prefix, psize); |
668 | ||
718e3744 | 669 | for (nexthop = rib->nexthop; nexthop; nexthop = nexthop->next) |
670 | { | |
5048fe14 | 671 | /* We don't send any nexthops when there's a multipath */ |
eac6e3f0 | 672 | if (rib->nexthop_active_num > 1 && client->proto != ZEBRA_ROUTE_LDP) |
5048fe14 | 673 | { |
674 | SET_FLAG (zapi_flags, ZAPI_MESSAGE_NEXTHOP); | |
675 | SET_FLAG (zapi_flags, ZAPI_MESSAGE_IFINDEX); | |
676 | ||
677 | stream_putc(s, 1); | |
678 | if (p->family == AF_INET) | |
679 | { | |
680 | stream_put_in_addr (s, &dummy_nh.gate.ipv4); | |
681 | } | |
682 | else if (p->family == AF_INET6) | |
683 | { | |
684 | stream_write (s, (u_char *) &dummy_nh.gate.ipv6, 16); | |
685 | } | |
686 | else | |
687 | { | |
688 | /* We don't handle anything else now, abort */ | |
689 | zlog_err("%s: Unable to redistribute route of unknown family, %d\n", | |
690 | __func__, p->family); | |
691 | return -1; | |
692 | } | |
693 | stream_putc (s, 1); | |
694 | stream_putl (s, 0); /* dummy ifindex */ | |
695 | break; | |
696 | } | |
697 | ||
446bb95e | 698 | if (CHECK_FLAG(nexthop->flags, NEXTHOP_FLAG_ACTIVE)) |
b9df2d25 | 699 | { |
1dcb5172 | 700 | SET_FLAG (zapi_flags, ZAPI_MESSAGE_NEXTHOP); |
701 | SET_FLAG (zapi_flags, ZAPI_MESSAGE_IFINDEX); | |
1dcb5172 | 702 | if (nhnummark == 0) |
703 | { | |
704 | nhnummark = stream_get_endp (s); | |
705 | stream_putc (s, 1); /* placeholder */ | |
706 | } | |
b9df2d25 | 707 | nhnum++; |
708 | ||
709 | switch(nexthop->type) | |
710 | { | |
711 | case NEXTHOP_TYPE_IPV4: | |
712 | case NEXTHOP_TYPE_IPV4_IFINDEX: | |
713 | stream_put_in_addr (s, &nexthop->gate.ipv4); | |
714 | break; | |
b9df2d25 | 715 | case NEXTHOP_TYPE_IPV6: |
716 | case NEXTHOP_TYPE_IPV6_IFINDEX: | |
5048fe14 | 717 | /* Only BGP supports IPv4 prefix with IPv6 NH, so kill this */ |
718 | if (p->family == AF_INET) | |
719 | stream_put_in_addr(s, &dummy_nh.gate.ipv4); | |
720 | else | |
721 | stream_write (s, (u_char *) &nexthop->gate.ipv6, 16); | |
b9df2d25 | 722 | break; |
b9df2d25 | 723 | default: |
5048fe14 | 724 | if (cmd == ZEBRA_REDISTRIBUTE_IPV4_ADD |
725 | || cmd == ZEBRA_REDISTRIBUTE_IPV4_DEL) | |
b9df2d25 | 726 | { |
727 | struct in_addr empty; | |
44983cf8 | 728 | memset (&empty, 0, sizeof (struct in_addr)); |
b9df2d25 | 729 | stream_write (s, (u_char *) &empty, IPV4_MAX_BYTELEN); |
730 | } | |
731 | else | |
732 | { | |
733 | struct in6_addr empty; | |
734 | memset (&empty, 0, sizeof (struct in6_addr)); | |
735 | stream_write (s, (u_char *) &empty, IPV6_MAX_BYTELEN); | |
736 | } | |
737 | } | |
738 | ||
739 | /* Interface index. */ | |
740 | stream_putc (s, 1); | |
741 | stream_putl (s, nexthop->ifindex); | |
742 | ||
eac6e3f0 RW |
743 | /* ldpd needs all nexthops */ |
744 | if (client->proto != ZEBRA_ROUTE_LDP) | |
b9df2d25 | 745 | break; |
746 | } | |
718e3744 | 747 | } |
748 | ||
7fe041ac | 749 | /* Distance */ |
fbf5d033 | 750 | SET_FLAG (zapi_flags, ZAPI_MESSAGE_DISTANCE); |
751 | stream_putc (s, rib->distance); | |
7fe041ac | 752 | |
718e3744 | 753 | /* Metric */ |
1dcb5172 | 754 | SET_FLAG (zapi_flags, ZAPI_MESSAGE_METRIC); |
755 | stream_putl (s, rib->metric); | |
0d9551dc | 756 | |
7fe041ac | 757 | /* Tag */ |
0d9551dc DS |
758 | if (rib->tag) |
759 | { | |
760 | SET_FLAG(zapi_flags, ZAPI_MESSAGE_TAG); | |
dc9ffce8 | 761 | stream_putl(s, rib->tag); |
0d9551dc | 762 | } |
5048fe14 | 763 | |
7fe041ac | 764 | /* MTU */ |
c50ca33a TT |
765 | SET_FLAG (zapi_flags, ZAPI_MESSAGE_MTU); |
766 | stream_putl (s, rib->mtu); | |
5048fe14 | 767 | |
1dcb5172 | 768 | /* write real message flags value */ |
769 | stream_putc_at (s, messmark, zapi_flags); | |
5048fe14 | 770 | |
b9df2d25 | 771 | /* Write next-hop number */ |
772 | if (nhnummark) | |
c1eaa442 | 773 | stream_putc_at (s, nhnummark, nhnum); |
5048fe14 | 774 | |
718e3744 | 775 | /* Write packet size. */ |
776 | stream_putw_at (s, 0, stream_get_endp (s)); | |
777 | ||
719e9741 | 778 | return zebra_server_send_message(client); |
718e3744 | 779 | } |
780 | ||
10fbd59a DS |
781 | static int |
782 | zsend_write_nexthop (struct stream *s, struct nexthop *nexthop) | |
783 | { | |
784 | stream_putc (s, nexthop->type); | |
785 | switch (nexthop->type) | |
786 | { | |
787 | case NEXTHOP_TYPE_IPV4: | |
788 | stream_put_in_addr (s, &nexthop->gate.ipv4); | |
789 | break; | |
790 | case NEXTHOP_TYPE_IPV4_IFINDEX: | |
791 | stream_put_in_addr (s, &nexthop->gate.ipv4); | |
792 | stream_putl (s, nexthop->ifindex); | |
793 | break; | |
794 | case NEXTHOP_TYPE_IPV6: | |
795 | stream_put (s, &nexthop->gate.ipv6, 16); | |
796 | break; | |
797 | case NEXTHOP_TYPE_IPV6_IFINDEX: | |
798 | stream_put (s, &nexthop->gate.ipv6, 16); | |
799 | stream_putl (s, nexthop->ifindex); | |
800 | break; | |
801 | case NEXTHOP_TYPE_IFINDEX: | |
802 | stream_putl (s, nexthop->ifindex); | |
803 | break; | |
804 | default: | |
805 | /* do nothing */ | |
806 | break; | |
807 | } | |
808 | return 1; | |
809 | } | |
810 | ||
fb018d25 DS |
811 | /* Nexthop register */ |
812 | static int | |
078430f6 | 813 | zserv_rnh_register (struct zserv *client, int sock, u_short length, |
d651649e | 814 | rnh_type_t type, struct zebra_vrf *zvrf) |
fb018d25 DS |
815 | { |
816 | struct rnh *rnh; | |
817 | struct stream *s; | |
818 | struct prefix p; | |
819 | u_short l = 0; | |
078430f6 | 820 | u_char flags = 0; |
fb018d25 DS |
821 | |
822 | if (IS_ZEBRA_DEBUG_NHT) | |
078430f6 DS |
823 | zlog_debug("rnh_register msg from client %s: length=%d, type=%s\n", |
824 | zebra_route_string(client->proto), length, | |
825 | (type == RNH_NEXTHOP_TYPE) ? "nexthop" : "route"); | |
fb018d25 DS |
826 | |
827 | s = client->ibuf; | |
828 | ||
2176b7c3 | 829 | client->nh_reg_time = quagga_monotime(); |
078430f6 | 830 | |
fb018d25 DS |
831 | while (l < length) |
832 | { | |
078430f6 | 833 | flags = stream_getc(s); |
fb018d25 DS |
834 | p.family = stream_getw(s); |
835 | p.prefixlen = stream_getc(s); | |
fc9a856f | 836 | l += 4; |
078430f6 DS |
837 | if (p.family == AF_INET) |
838 | { | |
839 | p.u.prefix4.s_addr = stream_get_ipv4(s); | |
840 | l += IPV4_MAX_BYTELEN; | |
841 | } | |
842 | else if (p.family == AF_INET6) | |
843 | { | |
844 | stream_get(&p.u.prefix6, s, IPV6_MAX_BYTELEN); | |
845 | l += IPV6_MAX_BYTELEN; | |
846 | } | |
847 | else | |
848 | { | |
849 | zlog_err("rnh_register: Received unknown family type %d\n", | |
850 | p.family); | |
851 | return -1; | |
852 | } | |
661512bf | 853 | rnh = zebra_add_rnh(&p, zvrf_id (zvrf), type); |
078430f6 DS |
854 | if (type == RNH_NEXTHOP_TYPE) |
855 | { | |
856 | if (flags && !CHECK_FLAG(rnh->flags, ZEBRA_NHT_CONNECTED)) | |
857 | SET_FLAG(rnh->flags, ZEBRA_NHT_CONNECTED); | |
858 | else if (!flags && CHECK_FLAG(rnh->flags, ZEBRA_NHT_CONNECTED)) | |
859 | UNSET_FLAG(rnh->flags, ZEBRA_NHT_CONNECTED); | |
860 | } | |
861 | else if (type == RNH_IMPORT_CHECK_TYPE) | |
862 | { | |
863 | if (flags && !CHECK_FLAG(rnh->flags, ZEBRA_NHT_EXACT_MATCH)) | |
864 | SET_FLAG(rnh->flags, ZEBRA_NHT_EXACT_MATCH); | |
865 | else if (!flags && CHECK_FLAG(rnh->flags, ZEBRA_NHT_EXACT_MATCH)) | |
866 | UNSET_FLAG(rnh->flags, ZEBRA_NHT_EXACT_MATCH); | |
867 | } | |
868 | ||
661512bf | 869 | zebra_add_rnh_client(rnh, client, type, zvrf_id (zvrf)); |
078430f6 | 870 | /* Anything not AF_INET/INET6 has been filtered out above */ |
661512bf | 871 | zebra_evaluate_rnh(zvrf_id (zvrf), p.family, 1, type, &p); |
fb018d25 | 872 | } |
fb018d25 DS |
873 | return 0; |
874 | } | |
875 | ||
876 | /* Nexthop register */ | |
877 | static int | |
078430f6 | 878 | zserv_rnh_unregister (struct zserv *client, int sock, u_short length, |
d651649e | 879 | rnh_type_t type, struct zebra_vrf *zvrf) |
fb018d25 DS |
880 | { |
881 | struct rnh *rnh; | |
882 | struct stream *s; | |
883 | struct prefix p; | |
884 | u_short l = 0; | |
885 | ||
886 | if (IS_ZEBRA_DEBUG_NHT) | |
078430f6 | 887 | zlog_debug("rnh_unregister msg from client %s: length=%d\n", |
fb018d25 DS |
888 | zebra_route_string(client->proto), length); |
889 | ||
890 | s = client->ibuf; | |
891 | ||
892 | while (l < length) | |
893 | { | |
4e3afb14 | 894 | (void)stream_getc(s); //Connected or not. Not used in this function |
fb018d25 DS |
895 | p.family = stream_getw(s); |
896 | p.prefixlen = stream_getc(s); | |
fc9a856f | 897 | l += 4; |
078430f6 DS |
898 | if (p.family == AF_INET) |
899 | { | |
900 | p.u.prefix4.s_addr = stream_get_ipv4(s); | |
901 | l += IPV4_MAX_BYTELEN; | |
902 | } | |
903 | else if (p.family == AF_INET6) | |
904 | { | |
905 | stream_get(&p.u.prefix6, s, IPV6_MAX_BYTELEN); | |
906 | l += IPV6_MAX_BYTELEN; | |
907 | } | |
908 | else | |
909 | { | |
910 | zlog_err("rnh_register: Received unknown family type %d\n", | |
911 | p.family); | |
912 | return -1; | |
913 | } | |
661512bf | 914 | rnh = zebra_lookup_rnh(&p, zvrf_id (zvrf), type); |
fb018d25 | 915 | if (rnh) |
04b02fda | 916 | { |
2176b7c3 | 917 | client->nh_dereg_time = quagga_monotime(); |
078430f6 | 918 | zebra_remove_rnh_client(rnh, client, type); |
04b02fda | 919 | } |
fb018d25 DS |
920 | } |
921 | return 0; | |
922 | } | |
923 | ||
6f61a5a3 EM |
924 | /* |
925 | Modified version of zsend_ipv4_nexthop_lookup(): | |
926 | Query unicast rib if nexthop is not found on mrib. | |
927 | Returns both route metric and protocol distance. | |
928 | */ | |
929 | static int | |
4623d897 | 930 | zsend_ipv4_nexthop_lookup_mrib (struct zserv *client, struct in_addr addr, struct rib *rib, struct zebra_vrf *zvrf) |
6f61a5a3 EM |
931 | { |
932 | struct stream *s; | |
6f61a5a3 EM |
933 | unsigned long nump; |
934 | u_char num; | |
935 | struct nexthop *nexthop; | |
936 | ||
6f61a5a3 EM |
937 | /* Get output stream. */ |
938 | s = client->obuf; | |
939 | stream_reset (s); | |
940 | ||
941 | /* Fill in result. */ | |
661512bf | 942 | zserv_create_header (s, ZEBRA_IPV4_NEXTHOP_LOOKUP_MRIB, zvrf_id (zvrf)); |
6f61a5a3 EM |
943 | stream_put_in_addr (s, &addr); |
944 | ||
945 | if (rib) | |
946 | { | |
947 | stream_putc (s, rib->distance); | |
948 | stream_putl (s, rib->metric); | |
949 | num = 0; | |
950 | nump = stream_get_endp(s); /* remember position for nexthop_num */ | |
951 | stream_putc (s, 0); /* reserve room for nexthop_num */ | |
952 | /* Only non-recursive routes are elegible to resolve the nexthop we | |
953 | * are looking up. Therefore, we will just iterate over the top | |
954 | * chain of nexthops. */ | |
955 | for (nexthop = rib->nexthop; nexthop; nexthop = nexthop->next) | |
446bb95e | 956 | if (CHECK_FLAG (nexthop->flags, NEXTHOP_FLAG_ACTIVE)) |
10fbd59a | 957 | num += zsend_write_nexthop (s, nexthop); |
6f61a5a3 EM |
958 | |
959 | stream_putc_at (s, nump, num); /* store nexthop_num */ | |
960 | } | |
961 | else | |
962 | { | |
963 | stream_putc (s, 0); /* distance */ | |
964 | stream_putl (s, 0); /* metric */ | |
965 | stream_putc (s, 0); /* nexthop_num */ | |
966 | } | |
967 | ||
968 | stream_putw_at (s, 0, stream_get_endp (s)); | |
969 | ||
970 | return zebra_server_send_message(client); | |
971 | } | |
972 | ||
18a6dce6 | 973 | /* Router-id is updated. Send ZEBRA_ROUTER_ID_ADD to client. */ |
974 | int | |
c6ffe645 FL |
975 | zsend_router_id_update (struct zserv *client, struct prefix *p, |
976 | vrf_id_t vrf_id) | |
18a6dce6 | 977 | { |
978 | struct stream *s; | |
979 | int blen; | |
980 | ||
981 | /* Check this client need interface information. */ | |
7076bb2f | 982 | if (! vrf_bitmap_check (client->ridinfo, vrf_id)) |
719e9741 | 983 | return 0; |
18a6dce6 | 984 | |
985 | s = client->obuf; | |
986 | stream_reset (s); | |
987 | ||
18a6dce6 | 988 | /* Message type. */ |
7076bb2f | 989 | zserv_create_header (s, ZEBRA_ROUTER_ID_UPDATE, vrf_id); |
18a6dce6 | 990 | |
991 | /* Prefix information. */ | |
992 | stream_putc (s, p->family); | |
993 | blen = prefix_blen (p); | |
994 | stream_put (s, &p->u.prefix, blen); | |
995 | stream_putc (s, p->prefixlen); | |
996 | ||
997 | /* Write packet size. */ | |
998 | stream_putw_at (s, 0, stream_get_endp (s)); | |
999 | ||
719e9741 | 1000 | return zebra_server_send_message(client); |
18a6dce6 | 1001 | } |
6b0655a2 | 1002 | |
718e3744 | 1003 | /* Register zebra server interface information. Send current all |
1004 | interface and address information. */ | |
719e9741 | 1005 | static int |
d651649e | 1006 | zread_interface_add (struct zserv *client, u_short length, struct zebra_vrf *zvrf) |
718e3744 | 1007 | { |
1a1a7065 | 1008 | struct vrf *vrf; |
1eb8ef25 | 1009 | struct listnode *ifnode, *ifnnode; |
718e3744 | 1010 | struct interface *ifp; |
718e3744 | 1011 | |
1012 | /* Interface information is needed. */ | |
661512bf | 1013 | vrf_bitmap_set (client->ifinfo, zvrf_id (zvrf)); |
718e3744 | 1014 | |
1a1a7065 | 1015 | RB_FOREACH (vrf, vrf_id_head, &vrfs_by_id) |
718e3744 | 1016 | { |
1a1a7065 | 1017 | for (ALL_LIST_ELEMENTS (vrf->iflist, ifnode, ifnnode, ifp)) |
4fe51714 DS |
1018 | { |
1019 | /* Skip pseudo interface. */ | |
1020 | if (! CHECK_FLAG (ifp->status, ZEBRA_INTERFACE_ACTIVE)) | |
1021 | continue; | |
718e3744 | 1022 | |
4fe51714 DS |
1023 | if (zsend_interface_add (client, ifp) < 0) |
1024 | return -1; | |
718e3744 | 1025 | |
4fe51714 DS |
1026 | if (zsend_interface_addresses (client, ifp) < 0) |
1027 | return -1; | |
1028 | } | |
718e3744 | 1029 | } |
719e9741 | 1030 | return 0; |
718e3744 | 1031 | } |
1032 | ||
1033 | /* Unregister zebra server interface information. */ | |
719e9741 | 1034 | static int |
d651649e | 1035 | zread_interface_delete (struct zserv *client, u_short length, struct zebra_vrf *zvrf) |
718e3744 | 1036 | { |
661512bf | 1037 | vrf_bitmap_unset (client->ifinfo, zvrf_id (zvrf)); |
719e9741 | 1038 | return 0; |
718e3744 | 1039 | } |
1040 | ||
6878b9db | 1041 | void |
4f87aceb | 1042 | zserv_nexthop_num_warn (const char *caller, const struct prefix *p, const unsigned int nexthop_num) |
6878b9db | 1043 | { |
7c5d2b76 | 1044 | if (nexthop_num > MULTIPATH_NUM) |
6878b9db | 1045 | { |
4690c7d7 DS |
1046 | char buff[PREFIX2STR_BUFFER]; |
1047 | prefix2str(p, buff, sizeof (buff)); | |
6878b9db DS |
1048 | zlog_warn("%s: Prefix %s has %d nexthops, but we can only use the first %d", |
1049 | caller, buff, nexthop_num, MULTIPATH_NUM); | |
1050 | } | |
1051 | } | |
1052 | ||
718e3744 | 1053 | /* This function support multiple nexthop. */ |
b9df2d25 | 1054 | /* |
1055 | * Parse the ZEBRA_IPV4_ROUTE_ADD sent from client. Update rib and | |
1056 | * add kernel route. | |
1057 | */ | |
719e9741 | 1058 | static int |
d651649e | 1059 | zread_ipv4_add (struct zserv *client, u_short length, struct zebra_vrf *zvrf) |
718e3744 | 1060 | { |
1061 | int i; | |
1062 | struct rib *rib; | |
b4c034b0 | 1063 | struct prefix p; |
718e3744 | 1064 | u_char message; |
1065 | struct in_addr nexthop; | |
1066 | u_char nexthop_num; | |
1067 | u_char nexthop_type; | |
1068 | struct stream *s; | |
b892f1dd | 1069 | ifindex_t ifindex; |
d44ca835 | 1070 | safi_t safi; |
04b02fda | 1071 | int ret; |
718e3744 | 1072 | |
1073 | /* Get input stream. */ | |
1074 | s = client->ibuf; | |
1075 | ||
1076 | /* Allocate new rib. */ | |
4d38fdb4 | 1077 | rib = XCALLOC (MTYPE_RIB, sizeof (struct rib)); |
1078 | ||
718e3744 | 1079 | /* Type, flags, message. */ |
1080 | rib->type = stream_getc (s); | |
7c8ff89e | 1081 | rib->instance = stream_getw (s); |
0fc452dc | 1082 | rib->flags = stream_getl (s); |
b9df2d25 | 1083 | message = stream_getc (s); |
cddf391b | 1084 | safi = stream_getw (s); |
718e3744 | 1085 | rib->uptime = time (NULL); |
1086 | ||
1087 | /* IPv4 prefix. */ | |
1088 | memset (&p, 0, sizeof (struct prefix_ipv4)); | |
1089 | p.family = AF_INET; | |
1090 | p.prefixlen = stream_getc (s); | |
b4c034b0 | 1091 | stream_get (&p.u.prefix4, s, PSIZE (p.prefixlen)); |
718e3744 | 1092 | |
78104b9b | 1093 | /* VRF ID */ |
661512bf | 1094 | rib->vrf_id = zvrf_id (zvrf); |
78104b9b | 1095 | |
718e3744 | 1096 | /* Nexthop parse. */ |
1097 | if (CHECK_FLAG (message, ZAPI_MESSAGE_NEXTHOP)) | |
1098 | { | |
1099 | nexthop_num = stream_getc (s); | |
6878b9db | 1100 | zserv_nexthop_num_warn(__func__, (const struct prefix *)&p, nexthop_num); |
718e3744 | 1101 | |
1102 | for (i = 0; i < nexthop_num; i++) | |
1103 | { | |
1104 | nexthop_type = stream_getc (s); | |
1105 | ||
1106 | switch (nexthop_type) | |
1107 | { | |
5b30316e | 1108 | case NEXTHOP_TYPE_IFINDEX: |
718e3744 | 1109 | ifindex = stream_getl (s); |
a399694f | 1110 | rib_nexthop_ifindex_add (rib, ifindex); |
718e3744 | 1111 | break; |
5b30316e | 1112 | case NEXTHOP_TYPE_IPV4: |
718e3744 | 1113 | nexthop.s_addr = stream_get_ipv4 (s); |
a399694f | 1114 | rib_nexthop_ipv4_add (rib, &nexthop, NULL); |
718e3744 | 1115 | break; |
5b30316e | 1116 | case NEXTHOP_TYPE_IPV4_IFINDEX: |
c963c203 JT |
1117 | nexthop.s_addr = stream_get_ipv4 (s); |
1118 | ifindex = stream_getl (s); | |
a399694f | 1119 | rib_nexthop_ipv4_ifindex_add (rib, &nexthop, NULL, ifindex); |
c963c203 | 1120 | break; |
5b30316e | 1121 | case NEXTHOP_TYPE_IPV6: |
9985f83c | 1122 | stream_forward_getp (s, IPV6_MAX_BYTELEN); |
718e3744 | 1123 | break; |
5b30316e | 1124 | case NEXTHOP_TYPE_BLACKHOLE: |
a399694f | 1125 | rib_nexthop_blackhole_add (rib); |
6902c69a SV |
1126 | break; |
1127 | } | |
718e3744 | 1128 | } |
1129 | } | |
1130 | ||
1131 | /* Distance. */ | |
1132 | if (CHECK_FLAG (message, ZAPI_MESSAGE_DISTANCE)) | |
1133 | rib->distance = stream_getc (s); | |
1134 | ||
1135 | /* Metric. */ | |
1136 | if (CHECK_FLAG (message, ZAPI_MESSAGE_METRIC)) | |
1137 | rib->metric = stream_getl (s); | |
1138 | ||
0d9551dc DS |
1139 | /* Tag */ |
1140 | if (CHECK_FLAG (message, ZAPI_MESSAGE_TAG)) | |
dc9ffce8 | 1141 | rib->tag = stream_getl (s); |
0d9551dc DS |
1142 | else |
1143 | rib->tag = 0; | |
1144 | ||
c50ca33a TT |
1145 | if (CHECK_FLAG (message, ZAPI_MESSAGE_MTU)) |
1146 | rib->mtu = stream_getl (s); | |
1147 | else | |
1148 | rib->mtu = 0; | |
1149 | ||
171eee31 | 1150 | /* Table */ |
d651649e | 1151 | rib->table = zvrf->table_id; |
12f6fb97 | 1152 | |
b4c034b0 | 1153 | ret = rib_add_multipath (AFI_IP, safi, &p, rib); |
04b02fda DS |
1154 | |
1155 | /* Stats */ | |
1156 | if (ret > 0) | |
1157 | client->v4_route_add_cnt++; | |
1158 | else if (ret < 0) | |
1159 | client->v4_route_upd8_cnt++; | |
719e9741 | 1160 | return 0; |
718e3744 | 1161 | } |
1162 | ||
1163 | /* Zebra server IPv4 prefix delete function. */ | |
719e9741 | 1164 | static int |
d651649e | 1165 | zread_ipv4_delete (struct zserv *client, u_short length, struct zebra_vrf *zvrf) |
718e3744 | 1166 | { |
1167 | int i; | |
1168 | struct stream *s; | |
1169 | struct zapi_ipv4 api; | |
616368ed DS |
1170 | struct in_addr nexthop; |
1171 | union g_addr *nexthop_p; | |
718e3744 | 1172 | unsigned long ifindex; |
616368ed | 1173 | struct prefix p; |
718e3744 | 1174 | u_char nexthop_num; |
1175 | u_char nexthop_type; | |
12f6fb97 | 1176 | u_int32_t table_id; |
12f6fb97 | 1177 | |
718e3744 | 1178 | s = client->ibuf; |
1179 | ifindex = 0; | |
1180 | nexthop.s_addr = 0; | |
6902c69a | 1181 | nexthop_p = NULL; |
718e3744 | 1182 | |
1183 | /* Type, flags, message. */ | |
1184 | api.type = stream_getc (s); | |
7c8ff89e | 1185 | api.instance = stream_getw (s); |
0fc452dc | 1186 | api.flags = stream_getl (s); |
718e3744 | 1187 | api.message = stream_getc (s); |
cddf391b | 1188 | api.safi = stream_getw (s); |
718e3744 | 1189 | |
1190 | /* IPv4 prefix. */ | |
1191 | memset (&p, 0, sizeof (struct prefix_ipv4)); | |
1192 | p.family = AF_INET; | |
1193 | p.prefixlen = stream_getc (s); | |
616368ed | 1194 | stream_get (&p.u.prefix4, s, PSIZE (p.prefixlen)); |
718e3744 | 1195 | |
1196 | /* Nexthop, ifindex, distance, metric. */ | |
1197 | if (CHECK_FLAG (api.message, ZAPI_MESSAGE_NEXTHOP)) | |
1198 | { | |
1199 | nexthop_num = stream_getc (s); | |
1200 | ||
1201 | for (i = 0; i < nexthop_num; i++) | |
1202 | { | |
1203 | nexthop_type = stream_getc (s); | |
1204 | ||
1205 | switch (nexthop_type) | |
1206 | { | |
5b30316e | 1207 | case NEXTHOP_TYPE_IFINDEX: |
718e3744 | 1208 | ifindex = stream_getl (s); |
1209 | break; | |
5b30316e | 1210 | case NEXTHOP_TYPE_IPV4: |
718e3744 | 1211 | nexthop.s_addr = stream_get_ipv4 (s); |
616368ed | 1212 | nexthop_p = (union g_addr *)&nexthop; |
718e3744 | 1213 | break; |
5b30316e | 1214 | case NEXTHOP_TYPE_IPV4_IFINDEX: |
c963c203 | 1215 | nexthop.s_addr = stream_get_ipv4 (s); |
616368ed | 1216 | nexthop_p = (union g_addr *)&nexthop; |
c963c203 JT |
1217 | ifindex = stream_getl (s); |
1218 | break; | |
5b30316e | 1219 | case NEXTHOP_TYPE_IPV6: |
9985f83c | 1220 | stream_forward_getp (s, IPV6_MAX_BYTELEN); |
718e3744 | 1221 | break; |
1222 | } | |
1223 | } | |
1224 | } | |
1225 | ||
1226 | /* Distance. */ | |
1227 | if (CHECK_FLAG (api.message, ZAPI_MESSAGE_DISTANCE)) | |
1228 | api.distance = stream_getc (s); | |
1229 | else | |
1230 | api.distance = 0; | |
1231 | ||
1232 | /* Metric. */ | |
1233 | if (CHECK_FLAG (api.message, ZAPI_MESSAGE_METRIC)) | |
1234 | api.metric = stream_getl (s); | |
1235 | else | |
1236 | api.metric = 0; | |
1237 | ||
0d9551dc DS |
1238 | /* tag */ |
1239 | if (CHECK_FLAG (api.message, ZAPI_MESSAGE_TAG)) | |
dc9ffce8 | 1240 | api.tag = stream_getl (s); |
0d9551dc DS |
1241 | else |
1242 | api.tag = 0; | |
1243 | ||
d651649e | 1244 | table_id = zvrf->table_id; |
12f6fb97 | 1245 | |
661512bf | 1246 | rib_delete (AFI_IP, api.safi, zvrf_id (zvrf), api.type, api.instance, |
616368ed | 1247 | api.flags, &p, nexthop_p, ifindex, table_id); |
04b02fda | 1248 | client->v4_route_del_cnt++; |
719e9741 | 1249 | return 0; |
718e3744 | 1250 | } |
1251 | ||
6f61a5a3 EM |
1252 | /* MRIB Nexthop lookup for IPv4. */ |
1253 | static int | |
1254 | zread_ipv4_nexthop_lookup_mrib (struct zserv *client, u_short length, struct zebra_vrf *zvrf) | |
1255 | { | |
1256 | struct in_addr addr; | |
4623d897 | 1257 | struct rib *rib; |
6f61a5a3 EM |
1258 | |
1259 | addr.s_addr = stream_get_ipv4 (client->ibuf); | |
661512bf | 1260 | rib = rib_match_ipv4_multicast (zvrf_id (zvrf), addr, NULL); |
4623d897 | 1261 | return zsend_ipv4_nexthop_lookup_mrib (client, addr, rib, zvrf); |
6f61a5a3 EM |
1262 | } |
1263 | ||
8a92a8a0 DS |
1264 | /* Zebra server IPv6 prefix add function. */ |
1265 | static int | |
d651649e | 1266 | zread_ipv4_route_ipv6_nexthop_add (struct zserv *client, u_short length, struct zebra_vrf *zvrf) |
8a92a8a0 DS |
1267 | { |
1268 | int i; | |
1269 | struct stream *s; | |
1270 | struct in6_addr nexthop; | |
1271 | struct rib *rib; | |
1272 | u_char message; | |
1273 | u_char nexthop_num; | |
1274 | u_char nexthop_type; | |
b4c034b0 | 1275 | struct prefix p; |
8a92a8a0 DS |
1276 | safi_t safi; |
1277 | static struct in6_addr nexthops[MULTIPATH_NUM]; | |
1278 | static unsigned int ifindices[MULTIPATH_NUM]; | |
1279 | int ret; | |
1280 | ||
1281 | /* Get input stream. */ | |
1282 | s = client->ibuf; | |
1283 | ||
8a92a8a0 DS |
1284 | memset (&nexthop, 0, sizeof (struct in6_addr)); |
1285 | ||
1286 | /* Allocate new rib. */ | |
1287 | rib = XCALLOC (MTYPE_RIB, sizeof (struct rib)); | |
1288 | ||
1289 | /* Type, flags, message. */ | |
1290 | rib->type = stream_getc (s); | |
1291 | rib->instance = stream_getw (s); | |
0fc452dc | 1292 | rib->flags = stream_getl (s); |
8a92a8a0 DS |
1293 | message = stream_getc (s); |
1294 | safi = stream_getw (s); | |
1295 | rib->uptime = time (NULL); | |
1296 | ||
1297 | /* IPv4 prefix. */ | |
1298 | memset (&p, 0, sizeof (struct prefix_ipv4)); | |
1299 | p.family = AF_INET; | |
1300 | p.prefixlen = stream_getc (s); | |
b4c034b0 | 1301 | stream_get (&p.u.prefix4, s, PSIZE (p.prefixlen)); |
8a92a8a0 | 1302 | |
154caaed | 1303 | /* VRF ID */ |
661512bf | 1304 | rib->vrf_id = zvrf_id (zvrf); |
154caaed | 1305 | |
8a92a8a0 DS |
1306 | /* We need to give nh-addr, nh-ifindex with the same next-hop object |
1307 | * to the rib to ensure that IPv6 multipathing works; need to coalesce | |
1308 | * these. Clients should send the same number of paired set of | |
1309 | * next-hop-addr/next-hop-ifindices. */ | |
1310 | if (CHECK_FLAG (message, ZAPI_MESSAGE_NEXTHOP)) | |
1311 | { | |
1312 | int nh_count = 0; | |
1313 | int if_count = 0; | |
1314 | int max_nh_if = 0; | |
1315 | ||
1316 | nexthop_num = stream_getc (s); | |
6878b9db | 1317 | zserv_nexthop_num_warn(__func__, (const struct prefix *)&p, nexthop_num); |
8a92a8a0 DS |
1318 | for (i = 0; i < nexthop_num; i++) |
1319 | { | |
1320 | nexthop_type = stream_getc (s); | |
1321 | ||
1322 | switch (nexthop_type) | |
1323 | { | |
5b30316e | 1324 | case NEXTHOP_TYPE_IPV6: |
8a92a8a0 DS |
1325 | stream_get (&nexthop, s, 16); |
1326 | if (nh_count < MULTIPATH_NUM) { | |
1327 | nexthops[nh_count++] = nexthop; | |
1328 | } | |
1329 | break; | |
5b30316e | 1330 | case NEXTHOP_TYPE_IFINDEX: |
8a92a8a0 DS |
1331 | if (if_count < MULTIPATH_NUM) { |
1332 | ifindices[if_count++] = stream_getl (s); | |
1333 | } | |
1334 | break; | |
5b30316e | 1335 | case NEXTHOP_TYPE_BLACKHOLE: |
a399694f | 1336 | rib_nexthop_blackhole_add (rib); |
8a92a8a0 DS |
1337 | break; |
1338 | } | |
1339 | } | |
1340 | ||
1341 | max_nh_if = (nh_count > if_count) ? nh_count : if_count; | |
1342 | for (i = 0; i < max_nh_if; i++) | |
1343 | { | |
1344 | if ((i < nh_count) && !IN6_IS_ADDR_UNSPECIFIED (&nexthops[i])) { | |
1345 | if ((i < if_count) && ifindices[i]) { | |
a399694f | 1346 | rib_nexthop_ipv6_ifindex_add (rib, &nexthops[i], ifindices[i]); |
8a92a8a0 DS |
1347 | } |
1348 | else { | |
a399694f | 1349 | rib_nexthop_ipv6_add (rib, &nexthops[i]); |
8a92a8a0 DS |
1350 | } |
1351 | } | |
1352 | else { | |
1353 | if ((i < if_count) && ifindices[i]) { | |
a399694f | 1354 | rib_nexthop_ifindex_add (rib, ifindices[i]); |
8a92a8a0 DS |
1355 | } |
1356 | } | |
1357 | } | |
1358 | } | |
1359 | ||
1360 | /* Distance. */ | |
1361 | if (CHECK_FLAG (message, ZAPI_MESSAGE_DISTANCE)) | |
1362 | rib->distance = stream_getc (s); | |
1363 | ||
1364 | /* Metric. */ | |
1365 | if (CHECK_FLAG (message, ZAPI_MESSAGE_METRIC)) | |
1366 | rib->metric = stream_getl (s); | |
1367 | ||
1368 | /* Tag */ | |
1369 | if (CHECK_FLAG (message, ZAPI_MESSAGE_TAG)) | |
dc9ffce8 | 1370 | rib->tag = stream_getl (s); |
8a92a8a0 DS |
1371 | else |
1372 | rib->tag = 0; | |
1373 | ||
c50ca33a TT |
1374 | if (CHECK_FLAG (message, ZAPI_MESSAGE_MTU)) |
1375 | rib->mtu = stream_getl (s); | |
1376 | else | |
1377 | rib->mtu = 0; | |
1378 | ||
8a92a8a0 | 1379 | /* Table */ |
d651649e | 1380 | rib->table = zvrf->table_id; |
12f6fb97 | 1381 | |
b4c034b0 | 1382 | ret = rib_add_multipath (AFI_IP6, safi, &p, rib); |
8a92a8a0 DS |
1383 | /* Stats */ |
1384 | if (ret > 0) | |
1385 | client->v4_route_add_cnt++; | |
1386 | else if (ret < 0) | |
1387 | client->v4_route_upd8_cnt++; | |
1388 | ||
1389 | return 0; | |
1390 | } | |
1391 | ||
719e9741 | 1392 | static int |
d651649e | 1393 | zread_ipv6_add (struct zserv *client, u_short length, struct zebra_vrf *zvrf) |
718e3744 | 1394 | { |
1395 | int i; | |
1396 | struct stream *s; | |
718e3744 | 1397 | struct in6_addr nexthop; |
41fc2714 DS |
1398 | struct rib *rib; |
1399 | u_char message; | |
1400 | u_char nexthop_num; | |
1401 | u_char nexthop_type; | |
b4c034b0 | 1402 | struct prefix p; |
41fc2714 DS |
1403 | safi_t safi; |
1404 | static struct in6_addr nexthops[MULTIPATH_NUM]; | |
1405 | static unsigned int ifindices[MULTIPATH_NUM]; | |
04b02fda | 1406 | int ret; |
41fc2714 DS |
1407 | |
1408 | /* Get input stream. */ | |
718e3744 | 1409 | s = client->ibuf; |
41fc2714 | 1410 | |
718e3744 | 1411 | memset (&nexthop, 0, sizeof (struct in6_addr)); |
1412 | ||
41fc2714 DS |
1413 | /* Allocate new rib. */ |
1414 | rib = XCALLOC (MTYPE_RIB, sizeof (struct rib)); | |
1415 | ||
718e3744 | 1416 | /* Type, flags, message. */ |
41fc2714 | 1417 | rib->type = stream_getc (s); |
7c8ff89e | 1418 | rib->instance = stream_getw (s); |
0fc452dc | 1419 | rib->flags = stream_getl (s); |
41fc2714 DS |
1420 | message = stream_getc (s); |
1421 | safi = stream_getw (s); | |
1422 | rib->uptime = time (NULL); | |
718e3744 | 1423 | |
41fc2714 | 1424 | /* IPv6 prefix. */ |
718e3744 | 1425 | memset (&p, 0, sizeof (struct prefix_ipv6)); |
1426 | p.family = AF_INET6; | |
1427 | p.prefixlen = stream_getc (s); | |
b4c034b0 | 1428 | stream_get (&p.u.prefix6, s, PSIZE (p.prefixlen)); |
718e3744 | 1429 | |
41fc2714 DS |
1430 | /* We need to give nh-addr, nh-ifindex with the same next-hop object |
1431 | * to the rib to ensure that IPv6 multipathing works; need to coalesce | |
1432 | * these. Clients should send the same number of paired set of | |
1433 | * next-hop-addr/next-hop-ifindices. */ | |
1434 | if (CHECK_FLAG (message, ZAPI_MESSAGE_NEXTHOP)) | |
718e3744 | 1435 | { |
41fc2714 DS |
1436 | int nh_count = 0; |
1437 | int if_count = 0; | |
1438 | int max_nh_if = 0; | |
718e3744 | 1439 | |
41fc2714 | 1440 | nexthop_num = stream_getc (s); |
6878b9db DS |
1441 | zserv_nexthop_num_warn(__func__, (const struct prefix *)&p, nexthop_num); |
1442 | for (i = 0; i < nexthop_num; i++) | |
718e3744 | 1443 | { |
1444 | nexthop_type = stream_getc (s); | |
1445 | ||
1446 | switch (nexthop_type) | |
1447 | { | |
5b30316e | 1448 | case NEXTHOP_TYPE_IPV6: |
718e3744 | 1449 | stream_get (&nexthop, s, 16); |
41fc2714 DS |
1450 | if (nh_count < MULTIPATH_NUM) { |
1451 | nexthops[nh_count++] = nexthop; | |
1452 | } | |
718e3744 | 1453 | break; |
5b30316e | 1454 | case NEXTHOP_TYPE_IFINDEX: |
41fc2714 DS |
1455 | if (if_count < MULTIPATH_NUM) { |
1456 | ifindices[if_count++] = stream_getl (s); | |
1457 | } | |
718e3744 | 1458 | break; |
5b30316e | 1459 | case NEXTHOP_TYPE_BLACKHOLE: |
a399694f | 1460 | rib_nexthop_blackhole_add (rib); |
c3c0ac83 | 1461 | break; |
718e3744 | 1462 | } |
1463 | } | |
41fc2714 DS |
1464 | |
1465 | max_nh_if = (nh_count > if_count) ? nh_count : if_count; | |
1466 | for (i = 0; i < max_nh_if; i++) | |
1467 | { | |
1468 | if ((i < nh_count) && !IN6_IS_ADDR_UNSPECIFIED (&nexthops[i])) { | |
6f20b80d | 1469 | if ((i < if_count) && ifindices[i]) |
a399694f | 1470 | rib_nexthop_ipv6_ifindex_add (rib, &nexthops[i], ifindices[i]); |
6f20b80d | 1471 | else |
a399694f | 1472 | rib_nexthop_ipv6_add (rib, &nexthops[i]); |
41fc2714 DS |
1473 | } |
1474 | else { | |
6f20b80d | 1475 | if ((i < if_count) && ifindices[i]) |
a399694f | 1476 | rib_nexthop_ifindex_add (rib, ifindices[i]); |
41fc2714 DS |
1477 | } |
1478 | } | |
718e3744 | 1479 | } |
1480 | ||
41fc2714 DS |
1481 | /* Distance. */ |
1482 | if (CHECK_FLAG (message, ZAPI_MESSAGE_DISTANCE)) | |
1483 | rib->distance = stream_getc (s); | |
718e3744 | 1484 | |
41fc2714 DS |
1485 | /* Metric. */ |
1486 | if (CHECK_FLAG (message, ZAPI_MESSAGE_METRIC)) | |
1487 | rib->metric = stream_getl (s); | |
718e3744 | 1488 | |
0d9551dc DS |
1489 | /* Tag */ |
1490 | if (CHECK_FLAG (message, ZAPI_MESSAGE_TAG)) | |
dc9ffce8 | 1491 | rib->tag = stream_getl (s); |
0d9551dc DS |
1492 | else |
1493 | rib->tag = 0; | |
c50ca33a TT |
1494 | |
1495 | if (CHECK_FLAG (message, ZAPI_MESSAGE_MTU)) | |
1496 | rib->mtu = stream_getl (s); | |
1497 | else | |
1498 | rib->mtu = 0; | |
0d9551dc | 1499 | |
154caaed | 1500 | /* VRF ID */ |
661512bf | 1501 | rib->vrf_id = zvrf_id (zvrf); |
d651649e | 1502 | rib->table = zvrf->table_id; |
154caaed | 1503 | |
bb374626 | 1504 | ret = rib_add_multipath (AFI_IP6, safi, &p, rib); |
04b02fda DS |
1505 | /* Stats */ |
1506 | if (ret > 0) | |
1507 | client->v6_route_add_cnt++; | |
1508 | else if (ret < 0) | |
1509 | client->v6_route_upd8_cnt++; | |
1510 | ||
719e9741 | 1511 | return 0; |
718e3744 | 1512 | } |
1513 | ||
1514 | /* Zebra server IPv6 prefix delete function. */ | |
719e9741 | 1515 | static int |
d651649e | 1516 | zread_ipv6_delete (struct zserv *client, u_short length, struct zebra_vrf *zvrf) |
718e3744 | 1517 | { |
1518 | int i; | |
1519 | struct stream *s; | |
1520 | struct zapi_ipv6 api; | |
1521 | struct in6_addr nexthop; | |
616368ed | 1522 | union g_addr *pnexthop; |
718e3744 | 1523 | unsigned long ifindex; |
616368ed | 1524 | struct prefix p; |
718e3744 | 1525 | |
1526 | s = client->ibuf; | |
1527 | ifindex = 0; | |
1528 | memset (&nexthop, 0, sizeof (struct in6_addr)); | |
1529 | ||
1530 | /* Type, flags, message. */ | |
1531 | api.type = stream_getc (s); | |
7c8ff89e | 1532 | api.instance = stream_getw (s); |
0fc452dc | 1533 | api.flags = stream_getl (s); |
718e3744 | 1534 | api.message = stream_getc (s); |
f768f367 | 1535 | api.safi = stream_getw (s); |
718e3744 | 1536 | |
1537 | /* IPv4 prefix. */ | |
1538 | memset (&p, 0, sizeof (struct prefix_ipv6)); | |
1539 | p.family = AF_INET6; | |
1540 | p.prefixlen = stream_getc (s); | |
616368ed | 1541 | stream_get (&p.u.prefix6, s, PSIZE (p.prefixlen)); |
718e3744 | 1542 | |
1543 | /* Nexthop, ifindex, distance, metric. */ | |
1544 | if (CHECK_FLAG (api.message, ZAPI_MESSAGE_NEXTHOP)) | |
1545 | { | |
1546 | u_char nexthop_type; | |
1547 | ||
1548 | api.nexthop_num = stream_getc (s); | |
1549 | for (i = 0; i < api.nexthop_num; i++) | |
1550 | { | |
1551 | nexthop_type = stream_getc (s); | |
1552 | ||
1553 | switch (nexthop_type) | |
1554 | { | |
5b30316e | 1555 | case NEXTHOP_TYPE_IPV6: |
718e3744 | 1556 | stream_get (&nexthop, s, 16); |
616368ed | 1557 | pnexthop = (union g_addr *)&nexthop; |
718e3744 | 1558 | break; |
5b30316e | 1559 | case NEXTHOP_TYPE_IFINDEX: |
718e3744 | 1560 | ifindex = stream_getl (s); |
1561 | break; | |
1562 | } | |
1563 | } | |
1564 | } | |
1565 | ||
0d9551dc | 1566 | /* Distance. */ |
718e3744 | 1567 | if (CHECK_FLAG (api.message, ZAPI_MESSAGE_DISTANCE)) |
1568 | api.distance = stream_getc (s); | |
1569 | else | |
1570 | api.distance = 0; | |
0d9551dc DS |
1571 | |
1572 | /* Metric. */ | |
718e3744 | 1573 | if (CHECK_FLAG (api.message, ZAPI_MESSAGE_METRIC)) |
1574 | api.metric = stream_getl (s); | |
1575 | else | |
1576 | api.metric = 0; | |
1577 | ||
0d9551dc DS |
1578 | /* tag */ |
1579 | if (CHECK_FLAG (api.message, ZAPI_MESSAGE_TAG)) | |
dc9ffce8 | 1580 | api.tag = stream_getl (s); |
0d9551dc DS |
1581 | else |
1582 | api.tag = 0; | |
1583 | ||
718e3744 | 1584 | if (IN6_IS_ADDR_UNSPECIFIED (&nexthop)) |
661512bf | 1585 | rib_delete (AFI_IP6, api.safi, zvrf_id (zvrf), api.type, api.instance, |
616368ed | 1586 | api.flags, &p, NULL, ifindex, client->rtm_table); |
718e3744 | 1587 | else |
661512bf | 1588 | rib_delete (AFI_IP6, api.safi, zvrf_id (zvrf), api.type, api.instance, |
616368ed | 1589 | api.flags, &p, pnexthop, ifindex, client->rtm_table); |
04b02fda DS |
1590 | |
1591 | client->v6_route_del_cnt++; | |
719e9741 | 1592 | return 0; |
718e3744 | 1593 | } |
1594 | ||
18a6dce6 | 1595 | /* Register zebra server router-id information. Send current router-id */ |
719e9741 | 1596 | static int |
d651649e | 1597 | zread_router_id_add (struct zserv *client, u_short length, struct zebra_vrf *zvrf) |
18a6dce6 | 1598 | { |
1599 | struct prefix p; | |
1600 | ||
1601 | /* Router-id information is needed. */ | |
661512bf | 1602 | vrf_bitmap_set (client->ridinfo, zvrf_id (zvrf)); |
18a6dce6 | 1603 | |
661512bf | 1604 | router_id_get (&p, zvrf_id (zvrf)); |
18a6dce6 | 1605 | |
661512bf | 1606 | return zsend_router_id_update (client, &p, zvrf_id (zvrf)); |
18a6dce6 | 1607 | } |
1608 | ||
1609 | /* Unregister zebra server router-id information. */ | |
719e9741 | 1610 | static int |
d651649e | 1611 | zread_router_id_delete (struct zserv *client, u_short length, struct zebra_vrf *zvrf) |
18a6dce6 | 1612 | { |
661512bf | 1613 | vrf_bitmap_unset (client->ridinfo, zvrf_id (zvrf)); |
719e9741 | 1614 | return 0; |
18a6dce6 | 1615 | } |
1616 | ||
2ea1ab1c VT |
1617 | /* Tie up route-type and client->sock */ |
1618 | static void | |
1619 | zread_hello (struct zserv *client) | |
1620 | { | |
1621 | /* type of protocol (lib/zebra.h) */ | |
1622 | u_char proto; | |
7c8ff89e DS |
1623 | u_short instance; |
1624 | ||
2ea1ab1c | 1625 | proto = stream_getc (client->ibuf); |
7c8ff89e | 1626 | instance = stream_getw (client->ibuf); |
2ea1ab1c VT |
1627 | |
1628 | /* accept only dynamic routing protocols */ | |
1629 | if ((proto < ZEBRA_ROUTE_MAX) | |
1630 | && (proto > ZEBRA_ROUTE_STATIC)) | |
1631 | { | |
1632 | zlog_notice ("client %d says hello and bids fair to announce only %s routes", | |
1633 | client->sock, zebra_route_string(proto)); | |
7c8ff89e DS |
1634 | if (instance) |
1635 | zlog_notice ("client protocol instance %d", instance); | |
2ea1ab1c | 1636 | |
fb018d25 | 1637 | client->proto = proto; |
7c8ff89e | 1638 | client->instance = instance; |
2ea1ab1c VT |
1639 | } |
1640 | } | |
1641 | ||
7076bb2f FL |
1642 | /* Unregister all information in a VRF. */ |
1643 | static int | |
d651649e | 1644 | zread_vrf_unregister (struct zserv *client, u_short length, struct zebra_vrf *zvrf) |
7076bb2f FL |
1645 | { |
1646 | int i; | |
1647 | afi_t afi; | |
1648 | ||
1649 | for (afi = AFI_IP; afi < AFI_MAX; afi++) | |
1650 | for (i = 0; i < ZEBRA_ROUTE_MAX; i++) | |
661512bf RW |
1651 | vrf_bitmap_unset (client->redist[afi][i], zvrf_id (zvrf)); |
1652 | vrf_bitmap_unset (client->redist_default, zvrf_id (zvrf)); | |
1653 | vrf_bitmap_unset (client->ifinfo, zvrf_id (zvrf)); | |
1654 | vrf_bitmap_unset (client->ridinfo, zvrf_id (zvrf)); | |
7076bb2f FL |
1655 | |
1656 | return 0; | |
1657 | } | |
1658 | ||
ce549947 RW |
1659 | static void |
1660 | zread_mpls_labels (int command, struct zserv *client, u_short length, | |
1661 | vrf_id_t vrf_id) | |
1662 | { | |
1663 | struct stream *s; | |
1664 | enum lsp_types_t type; | |
1665 | struct prefix prefix; | |
1666 | enum nexthop_types_t gtype; | |
1667 | union g_addr gate; | |
88d88a9c | 1668 | ifindex_t ifindex; |
ce549947 RW |
1669 | mpls_label_t in_label, out_label; |
1670 | u_int8_t distance; | |
1671 | struct zebra_vrf *zvrf; | |
1672 | ||
1673 | zvrf = vrf_info_lookup (vrf_id); | |
1674 | if (!zvrf) | |
1675 | return; | |
1676 | ||
1677 | /* Get input stream. */ | |
1678 | s = client->ibuf; | |
1679 | ||
1680 | /* Get data. */ | |
1681 | type = stream_getc (s); | |
1682 | prefix.family = stream_getl (s); | |
1683 | switch (prefix.family) | |
1684 | { | |
1685 | case AF_INET: | |
1686 | prefix.u.prefix4.s_addr = stream_get_ipv4 (s); | |
1687 | prefix.prefixlen = stream_getc (s); | |
ce549947 RW |
1688 | gate.ipv4.s_addr = stream_get_ipv4 (s); |
1689 | break; | |
1690 | case AF_INET6: | |
1691 | stream_get (&prefix.u.prefix6, s, 16); | |
1692 | prefix.prefixlen = stream_getc (s); | |
ce549947 RW |
1693 | stream_get (&gate.ipv6, s, 16); |
1694 | break; | |
1695 | default: | |
1696 | return; | |
1697 | } | |
88d88a9c | 1698 | ifindex = stream_getl (s); |
ce549947 RW |
1699 | distance = stream_getc (s); |
1700 | in_label = stream_getl (s); | |
1701 | out_label = stream_getl (s); | |
1702 | ||
88d88a9c RW |
1703 | switch (prefix.family) |
1704 | { | |
1705 | case AF_INET: | |
1706 | if (ifindex) | |
1707 | gtype = NEXTHOP_TYPE_IPV4_IFINDEX; | |
1708 | else | |
1709 | gtype = NEXTHOP_TYPE_IPV4; | |
1710 | break; | |
1711 | case AF_INET6: | |
1712 | if (ifindex) | |
1713 | gtype = NEXTHOP_TYPE_IPV6_IFINDEX; | |
1714 | else | |
1715 | gtype = NEXTHOP_TYPE_IPV6; | |
1716 | break; | |
1717 | default: | |
1718 | return; | |
1719 | } | |
1720 | ||
fe6c7157 RW |
1721 | if (! mpls_enabled) |
1722 | return; | |
1723 | ||
ce549947 RW |
1724 | if (command == ZEBRA_MPLS_LABELS_ADD) |
1725 | { | |
1726 | mpls_lsp_install (zvrf, type, in_label, out_label, gtype, &gate, | |
88d88a9c | 1727 | NULL, ifindex); |
ce549947 | 1728 | if (out_label != MPLS_IMP_NULL_LABEL) |
88d88a9c RW |
1729 | mpls_ftn_update (1, zvrf, type, &prefix, gtype, &gate, ifindex, |
1730 | distance, out_label); | |
ce549947 RW |
1731 | } |
1732 | else if (command == ZEBRA_MPLS_LABELS_DELETE) | |
1733 | { | |
88d88a9c | 1734 | mpls_lsp_uninstall (zvrf, type, in_label, gtype, &gate, NULL, ifindex); |
ce549947 | 1735 | if (out_label != MPLS_IMP_NULL_LABEL) |
88d88a9c RW |
1736 | mpls_ftn_update (0, zvrf, type, &prefix, gtype, &gate, ifindex, |
1737 | distance, out_label); | |
ce549947 RW |
1738 | } |
1739 | } | |
1740 | ||
4b33b75a | 1741 | /* Cleanup registered nexthops (across VRFs) upon client disconnect. */ |
1742 | static void | |
1743 | zebra_client_close_cleanup_rnh (struct zserv *client) | |
1744 | { | |
1a1a7065 | 1745 | struct vrf *vrf; |
4b33b75a | 1746 | struct zebra_vrf *zvrf; |
1747 | ||
1a1a7065 | 1748 | RB_FOREACH (vrf, vrf_id_head, &vrfs_by_id) |
4b33b75a | 1749 | { |
1a1a7065 | 1750 | if ((zvrf = vrf->info) != NULL) |
4b33b75a | 1751 | { |
661512bf RW |
1752 | zebra_cleanup_rnh_client(zvrf_id (zvrf), AF_INET, client, RNH_NEXTHOP_TYPE); |
1753 | zebra_cleanup_rnh_client(zvrf_id (zvrf), AF_INET6, client, RNH_NEXTHOP_TYPE); | |
1754 | zebra_cleanup_rnh_client(zvrf_id (zvrf), AF_INET, client, RNH_IMPORT_CHECK_TYPE); | |
1755 | zebra_cleanup_rnh_client(zvrf_id (zvrf), AF_INET6, client, RNH_IMPORT_CHECK_TYPE); | |
ce549947 RW |
1756 | if (client->proto == ZEBRA_ROUTE_LDP) |
1757 | { | |
1758 | hash_iterate(zvrf->lsp_table, mpls_ldp_lsp_uninstall_all, | |
1759 | zvrf->lsp_table); | |
1760 | mpls_ldp_ftn_uninstall_all (zvrf, AFI_IP); | |
1761 | mpls_ldp_ftn_uninstall_all (zvrf, AFI_IP6); | |
1762 | } | |
4b33b75a | 1763 | } |
1764 | } | |
1765 | } | |
1766 | ||
718e3744 | 1767 | /* Close zebra client. */ |
b9df2d25 | 1768 | static void |
718e3744 | 1769 | zebra_client_close (struct zserv *client) |
1770 | { | |
567b877d | 1771 | /* Send client de-registration to BFD */ |
2376c3f2 | 1772 | zebra_ptm_bfd_client_deregister(client->proto); |
567b877d | 1773 | |
4b33b75a | 1774 | /* Cleanup any registered nexthops - across all VRFs. */ |
1775 | zebra_client_close_cleanup_rnh (client); | |
fb018d25 | 1776 | |
718e3744 | 1777 | /* Close file descriptor. */ |
1778 | if (client->sock) | |
1779 | { | |
7c8ff89e DS |
1780 | unsigned long nroutes; |
1781 | ||
718e3744 | 1782 | close (client->sock); |
7c8ff89e DS |
1783 | nroutes = rib_score_proto (client->proto, client->instance); |
1784 | zlog_notice ("client %d disconnected. %lu %s routes removed from the rib", | |
1785 | client->sock, nroutes, zebra_route_string (client->proto)); | |
718e3744 | 1786 | client->sock = -1; |
1787 | } | |
1788 | ||
1789 | /* Free stream buffers. */ | |
1790 | if (client->ibuf) | |
1791 | stream_free (client->ibuf); | |
1792 | if (client->obuf) | |
1793 | stream_free (client->obuf); | |
719e9741 | 1794 | if (client->wb) |
1795 | buffer_free(client->wb); | |
718e3744 | 1796 | |
1797 | /* Release threads. */ | |
1798 | if (client->t_read) | |
1799 | thread_cancel (client->t_read); | |
1800 | if (client->t_write) | |
1801 | thread_cancel (client->t_write); | |
719e9741 | 1802 | if (client->t_suicide) |
1803 | thread_cancel (client->t_suicide); | |
718e3744 | 1804 | |
1805 | /* Free client structure. */ | |
b21b19c5 | 1806 | listnode_delete (zebrad.client_list, client); |
c66f9c61 | 1807 | XFREE (MTYPE_TMP, client); |
718e3744 | 1808 | } |
1809 | ||
1810 | /* Make new client. */ | |
b9df2d25 | 1811 | static void |
718e3744 | 1812 | zebra_client_create (int sock) |
1813 | { | |
1814 | struct zserv *client; | |
7076bb2f FL |
1815 | int i; |
1816 | afi_t afi; | |
718e3744 | 1817 | |
c66f9c61 | 1818 | client = XCALLOC (MTYPE_TMP, sizeof (struct zserv)); |
718e3744 | 1819 | |
1820 | /* Make client input/output buffer. */ | |
1821 | client->sock = sock; | |
1822 | client->ibuf = stream_new (ZEBRA_MAX_PACKET_SIZ); | |
1823 | client->obuf = stream_new (ZEBRA_MAX_PACKET_SIZ); | |
719e9741 | 1824 | client->wb = buffer_new(0); |
718e3744 | 1825 | |
1826 | /* Set table number. */ | |
b21b19c5 | 1827 | client->rtm_table = zebrad.rtm_table_default; |
718e3744 | 1828 | |
2176b7c3 | 1829 | client->connect_time = quagga_monotime(); |
7076bb2f FL |
1830 | /* Initialize flags */ |
1831 | for (afi = AFI_IP; afi < AFI_MAX; afi++) | |
1832 | for (i = 0; i < ZEBRA_ROUTE_MAX; i++) | |
1833 | client->redist[afi][i] = vrf_bitmap_init (); | |
1834 | client->redist_default = vrf_bitmap_init (); | |
1835 | client->ifinfo = vrf_bitmap_init (); | |
1836 | client->ridinfo = vrf_bitmap_init (); | |
04b02fda | 1837 | |
718e3744 | 1838 | /* Add this client to linked list. */ |
b21b19c5 | 1839 | listnode_add (zebrad.client_list, client); |
718e3744 | 1840 | |
1841 | /* Make new read thread. */ | |
1842 | zebra_event (ZEBRA_READ, sock, client); | |
12f6fb97 DS |
1843 | |
1844 | zebra_vrf_update_all (client); | |
718e3744 | 1845 | } |
1846 | ||
1847 | /* Handler of zebra service request. */ | |
b9df2d25 | 1848 | static int |
718e3744 | 1849 | zebra_client_read (struct thread *thread) |
1850 | { | |
1851 | int sock; | |
1852 | struct zserv *client; | |
57a1477b | 1853 | size_t already; |
c1b9800a | 1854 | uint16_t length, command; |
1855 | uint8_t marker, version; | |
7076bb2f | 1856 | vrf_id_t vrf_id; |
d651649e | 1857 | struct zebra_vrf *zvrf; |
718e3744 | 1858 | |
1859 | /* Get thread data. Reset reading thread because I'm running. */ | |
1860 | sock = THREAD_FD (thread); | |
1861 | client = THREAD_ARG (thread); | |
1862 | client->t_read = NULL; | |
1863 | ||
719e9741 | 1864 | if (client->t_suicide) |
718e3744 | 1865 | { |
719e9741 | 1866 | zebra_client_close(client); |
718e3744 | 1867 | return -1; |
1868 | } | |
719e9741 | 1869 | |
1870 | /* Read length and command (if we don't have it already). */ | |
57a1477b | 1871 | if ((already = stream_get_endp(client->ibuf)) < ZEBRA_HEADER_SIZE) |
719e9741 | 1872 | { |
57a1477b | 1873 | ssize_t nbyte; |
719e9741 | 1874 | if (((nbyte = stream_read_try (client->ibuf, sock, |
57a1477b | 1875 | ZEBRA_HEADER_SIZE-already)) == 0) || |
719e9741 | 1876 | (nbyte == -1)) |
1877 | { | |
1878 | if (IS_ZEBRA_DEBUG_EVENT) | |
1879 | zlog_debug ("connection closed socket [%d]", sock); | |
1880 | zebra_client_close (client); | |
1881 | return -1; | |
1882 | } | |
57a1477b | 1883 | if (nbyte != (ssize_t)(ZEBRA_HEADER_SIZE-already)) |
719e9741 | 1884 | { |
1885 | /* Try again later. */ | |
1886 | zebra_event (ZEBRA_READ, sock, client); | |
1887 | return 0; | |
1888 | } | |
57a1477b | 1889 | already = ZEBRA_HEADER_SIZE; |
719e9741 | 1890 | } |
1891 | ||
1892 | /* Reset to read from the beginning of the incoming packet. */ | |
1893 | stream_set_getp(client->ibuf, 0); | |
1894 | ||
c1b9800a | 1895 | /* Fetch header values */ |
718e3744 | 1896 | length = stream_getw (client->ibuf); |
c1b9800a | 1897 | marker = stream_getc (client->ibuf); |
1898 | version = stream_getc (client->ibuf); | |
7076bb2f | 1899 | vrf_id = stream_getw (client->ibuf); |
c1b9800a | 1900 | command = stream_getw (client->ibuf); |
718e3744 | 1901 | |
c1b9800a | 1902 | if (marker != ZEBRA_HEADER_MARKER || version != ZSERV_VERSION) |
1903 | { | |
1904 | zlog_err("%s: socket %d version mismatch, marker %d, version %d", | |
1905 | __func__, sock, marker, version); | |
1906 | zebra_client_close (client); | |
1907 | return -1; | |
1908 | } | |
719e9741 | 1909 | if (length < ZEBRA_HEADER_SIZE) |
718e3744 | 1910 | { |
57a1477b | 1911 | zlog_warn("%s: socket %d message length %u is less than header size %d", |
1912 | __func__, sock, length, ZEBRA_HEADER_SIZE); | |
1913 | zebra_client_close (client); | |
1914 | return -1; | |
1915 | } | |
1916 | if (length > STREAM_SIZE(client->ibuf)) | |
1917 | { | |
1918 | zlog_warn("%s: socket %d message length %u exceeds buffer size %lu", | |
1919 | __func__, sock, length, (u_long)STREAM_SIZE(client->ibuf)); | |
718e3744 | 1920 | zebra_client_close (client); |
1921 | return -1; | |
1922 | } | |
1923 | ||
718e3744 | 1924 | /* Read rest of data. */ |
57a1477b | 1925 | if (already < length) |
718e3744 | 1926 | { |
57a1477b | 1927 | ssize_t nbyte; |
1928 | if (((nbyte = stream_read_try (client->ibuf, sock, | |
1929 | length-already)) == 0) || | |
1930 | (nbyte == -1)) | |
718e3744 | 1931 | { |
1932 | if (IS_ZEBRA_DEBUG_EVENT) | |
b6178002 | 1933 | zlog_debug ("connection closed [%d] when reading zebra data", sock); |
718e3744 | 1934 | zebra_client_close (client); |
1935 | return -1; | |
1936 | } | |
57a1477b | 1937 | if (nbyte != (ssize_t)(length-already)) |
719e9741 | 1938 | { |
1939 | /* Try again later. */ | |
1940 | zebra_event (ZEBRA_READ, sock, client); | |
1941 | return 0; | |
1942 | } | |
718e3744 | 1943 | } |
1944 | ||
719e9741 | 1945 | length -= ZEBRA_HEADER_SIZE; |
1946 | ||
718e3744 | 1947 | /* Debug packet information. */ |
1948 | if (IS_ZEBRA_DEBUG_EVENT) | |
b6178002 | 1949 | zlog_debug ("zebra message comes from socket [%d]", sock); |
718e3744 | 1950 | |
1951 | if (IS_ZEBRA_DEBUG_PACKET && IS_ZEBRA_DEBUG_RECV) | |
7076bb2f FL |
1952 | zlog_debug ("zebra message received [%s] %d in VRF %u", |
1953 | zserv_command_string (command), length, vrf_id); | |
718e3744 | 1954 | |
2176b7c3 | 1955 | client->last_read_time = quagga_monotime(); |
04b02fda DS |
1956 | client->last_read_cmd = command; |
1957 | ||
5f3d1bdf | 1958 | zvrf = zebra_vrf_lookup_by_id (vrf_id); |
d651649e DS |
1959 | if (!zvrf) |
1960 | { | |
1961 | if (IS_ZEBRA_DEBUG_PACKET && IS_ZEBRA_DEBUG_RECV) | |
1962 | zlog_debug ("zebra received unknown VRF[%u]", vrf_id); | |
1963 | goto zclient_read_out; | |
1964 | } | |
1965 | ||
718e3744 | 1966 | switch (command) |
1967 | { | |
18a6dce6 | 1968 | case ZEBRA_ROUTER_ID_ADD: |
d651649e | 1969 | zread_router_id_add (client, length, zvrf); |
18a6dce6 | 1970 | break; |
1971 | case ZEBRA_ROUTER_ID_DELETE: | |
d651649e | 1972 | zread_router_id_delete (client, length, zvrf); |
18a6dce6 | 1973 | break; |
718e3744 | 1974 | case ZEBRA_INTERFACE_ADD: |
d651649e | 1975 | zread_interface_add (client, length, zvrf); |
718e3744 | 1976 | break; |
1977 | case ZEBRA_INTERFACE_DELETE: | |
d651649e | 1978 | zread_interface_delete (client, length, zvrf); |
718e3744 | 1979 | break; |
1980 | case ZEBRA_IPV4_ROUTE_ADD: | |
d651649e | 1981 | zread_ipv4_add (client, length, zvrf); |
718e3744 | 1982 | break; |
1983 | case ZEBRA_IPV4_ROUTE_DELETE: | |
d651649e | 1984 | zread_ipv4_delete (client, length, zvrf); |
718e3744 | 1985 | break; |
8a92a8a0 | 1986 | case ZEBRA_IPV4_ROUTE_IPV6_NEXTHOP_ADD: |
d651649e | 1987 | zread_ipv4_route_ipv6_nexthop_add (client, length, zvrf); |
8a92a8a0 | 1988 | break; |
65efcfce LB |
1989 | case ZEBRA_IPV4_NEXTHOP_ADD: |
1990 | zread_ipv4_add(client, length, zvrf); /* LB: r1.0 merge - id was 1 */ | |
1991 | break; | |
1992 | case ZEBRA_IPV4_NEXTHOP_DELETE: | |
1993 | zread_ipv4_delete(client, length, zvrf); /* LB: r1.0 merge - id was 1 */ | |
1994 | break; | |
718e3744 | 1995 | case ZEBRA_IPV6_ROUTE_ADD: |
d651649e | 1996 | zread_ipv6_add (client, length, zvrf); |
718e3744 | 1997 | break; |
1998 | case ZEBRA_IPV6_ROUTE_DELETE: | |
d651649e | 1999 | zread_ipv6_delete (client, length, zvrf); |
718e3744 | 2000 | break; |
718e3744 | 2001 | case ZEBRA_REDISTRIBUTE_ADD: |
d651649e | 2002 | zebra_redistribute_add (command, client, length, zvrf); |
718e3744 | 2003 | break; |
2004 | case ZEBRA_REDISTRIBUTE_DELETE: | |
d651649e | 2005 | zebra_redistribute_delete (command, client, length, zvrf); |
718e3744 | 2006 | break; |
2007 | case ZEBRA_REDISTRIBUTE_DEFAULT_ADD: | |
d651649e | 2008 | zebra_redistribute_default_add (command, client, length, zvrf); |
718e3744 | 2009 | break; |
2010 | case ZEBRA_REDISTRIBUTE_DEFAULT_DELETE: | |
d651649e | 2011 | zebra_redistribute_default_delete (command, client, length, zvrf); |
718e3744 | 2012 | break; |
6f61a5a3 EM |
2013 | case ZEBRA_IPV4_NEXTHOP_LOOKUP_MRIB: |
2014 | zread_ipv4_nexthop_lookup_mrib (client, length, zvrf); | |
718e3744 | 2015 | break; |
2ea1ab1c VT |
2016 | case ZEBRA_HELLO: |
2017 | zread_hello (client); | |
2018 | break; | |
fb018d25 | 2019 | case ZEBRA_NEXTHOP_REGISTER: |
d651649e | 2020 | zserv_rnh_register(client, sock, length, RNH_NEXTHOP_TYPE, zvrf); |
fb018d25 DS |
2021 | break; |
2022 | case ZEBRA_NEXTHOP_UNREGISTER: | |
d651649e | 2023 | zserv_rnh_unregister(client, sock, length, RNH_NEXTHOP_TYPE, zvrf); |
078430f6 DS |
2024 | break; |
2025 | case ZEBRA_IMPORT_ROUTE_REGISTER: | |
d651649e | 2026 | zserv_rnh_register(client, sock, length, RNH_IMPORT_CHECK_TYPE, zvrf); |
078430f6 DS |
2027 | break; |
2028 | case ZEBRA_IMPORT_ROUTE_UNREGISTER: | |
d651649e | 2029 | zserv_rnh_unregister(client, sock, length, RNH_IMPORT_CHECK_TYPE, zvrf); |
fb018d25 | 2030 | break; |
c43ed2e4 DS |
2031 | case ZEBRA_BFD_DEST_UPDATE: |
2032 | case ZEBRA_BFD_DEST_REGISTER: | |
d651649e | 2033 | zebra_ptm_bfd_dst_register(client, sock, length, command, zvrf); |
c43ed2e4 DS |
2034 | break; |
2035 | case ZEBRA_BFD_DEST_DEREGISTER: | |
d651649e | 2036 | zebra_ptm_bfd_dst_deregister(client, sock, length, zvrf); |
c43ed2e4 | 2037 | break; |
7076bb2f | 2038 | case ZEBRA_VRF_UNREGISTER: |
d651649e | 2039 | zread_vrf_unregister (client, length, zvrf); |
7076bb2f | 2040 | break; |
055c4dfc | 2041 | case ZEBRA_BFD_CLIENT_REGISTER: |
2042 | zebra_ptm_bfd_client_register(client, sock, length); | |
2043 | break; | |
4a04e5f7 | 2044 | case ZEBRA_INTERFACE_ENABLE_RADV: |
2045 | zebra_interface_radv_set (client, sock, length, zvrf, 1); | |
2046 | break; | |
2047 | case ZEBRA_INTERFACE_DISABLE_RADV: | |
2048 | zebra_interface_radv_set (client, sock, length, zvrf, 0); | |
2049 | break; | |
ce549947 RW |
2050 | case ZEBRA_MPLS_LABELS_ADD: |
2051 | case ZEBRA_MPLS_LABELS_DELETE: | |
2052 | zread_mpls_labels (command, client, length, vrf_id); | |
2053 | break; | |
718e3744 | 2054 | default: |
2055 | zlog_info ("Zebra received unknown command %d", command); | |
2056 | break; | |
2057 | } | |
2058 | ||
719e9741 | 2059 | if (client->t_suicide) |
2060 | { | |
2061 | /* No need to wait for thread callback, just kill immediately. */ | |
2062 | zebra_client_close(client); | |
2063 | return -1; | |
2064 | } | |
2065 | ||
d651649e | 2066 | zclient_read_out: |
718e3744 | 2067 | stream_reset (client->ibuf); |
2068 | zebra_event (ZEBRA_READ, sock, client); | |
718e3744 | 2069 | return 0; |
2070 | } | |
2071 | ||
718e3744 | 2072 | |
2073 | /* Accept code of zebra server socket. */ | |
b9df2d25 | 2074 | static int |
718e3744 | 2075 | zebra_accept (struct thread *thread) |
2076 | { | |
2077 | int accept_sock; | |
2078 | int client_sock; | |
2079 | struct sockaddr_in client; | |
2080 | socklen_t len; | |
2081 | ||
2082 | accept_sock = THREAD_FD (thread); | |
2083 | ||
719e9741 | 2084 | /* Reregister myself. */ |
2085 | zebra_event (ZEBRA_SERV, accept_sock, NULL); | |
2086 | ||
718e3744 | 2087 | len = sizeof (struct sockaddr_in); |
2088 | client_sock = accept (accept_sock, (struct sockaddr *) &client, &len); | |
2089 | ||
2090 | if (client_sock < 0) | |
2091 | { | |
6099b3b5 | 2092 | zlog_warn ("Can't accept zebra socket: %s", safe_strerror (errno)); |
718e3744 | 2093 | return -1; |
2094 | } | |
2095 | ||
ccf3557b | 2096 | /* Make client socket non-blocking. */ |
719e9741 | 2097 | set_nonblocking(client_sock); |
865b852c | 2098 | |
718e3744 | 2099 | /* Create new zebra client. */ |
2100 | zebra_client_create (client_sock); | |
2101 | ||
718e3744 | 2102 | return 0; |
2103 | } | |
2104 | ||
b9df2d25 | 2105 | #ifdef HAVE_TCP_ZEBRA |
718e3744 | 2106 | /* Make zebra's server socket. */ |
b9df2d25 | 2107 | static void |
718e3744 | 2108 | zebra_serv () |
2109 | { | |
2110 | int ret; | |
2111 | int accept_sock; | |
2112 | struct sockaddr_in addr; | |
2113 | ||
2114 | accept_sock = socket (AF_INET, SOCK_STREAM, 0); | |
2115 | ||
2116 | if (accept_sock < 0) | |
2117 | { | |
3d1dc857 | 2118 | zlog_warn ("Can't create zserv stream socket: %s", |
2119 | safe_strerror (errno)); | |
718e3744 | 2120 | zlog_warn ("zebra can't provice full functionality due to above error"); |
2121 | return; | |
2122 | } | |
2123 | ||
2124 | memset (&addr, 0, sizeof (struct sockaddr_in)); | |
2125 | addr.sin_family = AF_INET; | |
2126 | addr.sin_port = htons (ZEBRA_PORT); | |
6f0e3f6e | 2127 | #ifdef HAVE_STRUCT_SOCKADDR_IN_SIN_LEN |
718e3744 | 2128 | addr.sin_len = sizeof (struct sockaddr_in); |
6f0e3f6e | 2129 | #endif /* HAVE_STRUCT_SOCKADDR_IN_SIN_LEN */ |
718e3744 | 2130 | addr.sin_addr.s_addr = htonl (INADDR_LOOPBACK); |
2131 | ||
2132 | sockopt_reuseaddr (accept_sock); | |
2133 | sockopt_reuseport (accept_sock); | |
2134 | ||
edd7c245 | 2135 | if ( zserv_privs.change(ZPRIVS_RAISE) ) |
2136 | zlog (NULL, LOG_ERR, "Can't raise privileges"); | |
2137 | ||
718e3744 | 2138 | ret = bind (accept_sock, (struct sockaddr *)&addr, |
2139 | sizeof (struct sockaddr_in)); | |
2140 | if (ret < 0) | |
2141 | { | |
3d1dc857 | 2142 | zlog_warn ("Can't bind to stream socket: %s", |
2143 | safe_strerror (errno)); | |
718e3744 | 2144 | zlog_warn ("zebra can't provice full functionality due to above error"); |
2145 | close (accept_sock); /* Avoid sd leak. */ | |
2146 | return; | |
2147 | } | |
edd7c245 | 2148 | |
2149 | if ( zserv_privs.change(ZPRIVS_LOWER) ) | |
2150 | zlog (NULL, LOG_ERR, "Can't lower privileges"); | |
718e3744 | 2151 | |
2152 | ret = listen (accept_sock, 1); | |
2153 | if (ret < 0) | |
2154 | { | |
3d1dc857 | 2155 | zlog_warn ("Can't listen to stream socket: %s", |
2156 | safe_strerror (errno)); | |
718e3744 | 2157 | zlog_warn ("zebra can't provice full functionality due to above error"); |
2158 | close (accept_sock); /* Avoid sd leak. */ | |
2159 | return; | |
2160 | } | |
2161 | ||
2162 | zebra_event (ZEBRA_SERV, accept_sock, NULL); | |
2163 | } | |
fbedba64 | 2164 | #else /* HAVE_TCP_ZEBRA */ |
718e3744 | 2165 | |
2166 | /* For sockaddr_un. */ | |
2167 | #include <sys/un.h> | |
2168 | ||
2169 | /* zebra server UNIX domain socket. */ | |
b9df2d25 | 2170 | static void |
fce954f8 | 2171 | zebra_serv_un (const char *path) |
718e3744 | 2172 | { |
2173 | int ret; | |
2174 | int sock, len; | |
2175 | struct sockaddr_un serv; | |
2176 | mode_t old_mask; | |
2177 | ||
2178 | /* First of all, unlink existing socket */ | |
2179 | unlink (path); | |
2180 | ||
2181 | /* Set umask */ | |
2182 | old_mask = umask (0077); | |
2183 | ||
2184 | /* Make UNIX domain socket. */ | |
2185 | sock = socket (AF_UNIX, SOCK_STREAM, 0); | |
2186 | if (sock < 0) | |
2187 | { | |
3d1dc857 | 2188 | zlog_warn ("Can't create zserv unix socket: %s", |
2189 | safe_strerror (errno)); | |
2190 | zlog_warn ("zebra can't provide full functionality due to above error"); | |
718e3744 | 2191 | return; |
2192 | } | |
2193 | ||
2194 | /* Make server socket. */ | |
2195 | memset (&serv, 0, sizeof (struct sockaddr_un)); | |
2196 | serv.sun_family = AF_UNIX; | |
2197 | strncpy (serv.sun_path, path, strlen (path)); | |
6f0e3f6e | 2198 | #ifdef HAVE_STRUCT_SOCKADDR_UN_SUN_LEN |
718e3744 | 2199 | len = serv.sun_len = SUN_LEN(&serv); |
2200 | #else | |
2201 | len = sizeof (serv.sun_family) + strlen (serv.sun_path); | |
6f0e3f6e | 2202 | #endif /* HAVE_STRUCT_SOCKADDR_UN_SUN_LEN */ |
718e3744 | 2203 | |
2204 | ret = bind (sock, (struct sockaddr *) &serv, len); | |
2205 | if (ret < 0) | |
2206 | { | |
3d1dc857 | 2207 | zlog_warn ("Can't bind to unix socket %s: %s", |
2208 | path, safe_strerror (errno)); | |
2209 | zlog_warn ("zebra can't provide full functionality due to above error"); | |
718e3744 | 2210 | close (sock); |
2211 | return; | |
2212 | } | |
2213 | ||
2214 | ret = listen (sock, 5); | |
2215 | if (ret < 0) | |
2216 | { | |
3d1dc857 | 2217 | zlog_warn ("Can't listen to unix socket %s: %s", |
2218 | path, safe_strerror (errno)); | |
2219 | zlog_warn ("zebra can't provide full functionality due to above error"); | |
718e3744 | 2220 | close (sock); |
2221 | return; | |
2222 | } | |
2223 | ||
2224 | umask (old_mask); | |
2225 | ||
2226 | zebra_event (ZEBRA_SERV, sock, NULL); | |
2227 | } | |
fbedba64 | 2228 | #endif /* HAVE_TCP_ZEBRA */ |
6b0655a2 | 2229 | |
718e3744 | 2230 | |
b9df2d25 | 2231 | static void |
718e3744 | 2232 | zebra_event (enum event event, int sock, struct zserv *client) |
2233 | { | |
2234 | switch (event) | |
2235 | { | |
2236 | case ZEBRA_SERV: | |
b21b19c5 | 2237 | thread_add_read (zebrad.master, zebra_accept, client, sock); |
718e3744 | 2238 | break; |
2239 | case ZEBRA_READ: | |
2240 | client->t_read = | |
b21b19c5 | 2241 | thread_add_read (zebrad.master, zebra_client_read, client, sock); |
718e3744 | 2242 | break; |
2243 | case ZEBRA_WRITE: | |
2244 | /**/ | |
2245 | break; | |
2246 | } | |
2247 | } | |
6b0655a2 | 2248 | |
04b02fda DS |
2249 | #define ZEBRA_TIME_BUF 32 |
2250 | static char * | |
2251 | zserv_time_buf(time_t *time1, char *buf, int buflen) | |
2252 | { | |
2253 | struct tm *tm; | |
2254 | time_t now; | |
2255 | ||
2256 | assert (buf != NULL); | |
2257 | assert (buflen >= ZEBRA_TIME_BUF); | |
2258 | assert (time1 != NULL); | |
2259 | ||
2260 | if (!*time1) | |
2261 | { | |
2262 | snprintf(buf, buflen, "never "); | |
2263 | return (buf); | |
2264 | } | |
2265 | ||
2176b7c3 | 2266 | now = quagga_monotime(); |
04b02fda DS |
2267 | now -= *time1; |
2268 | tm = gmtime(&now); | |
2269 | ||
2270 | /* Making formatted timer strings. */ | |
2271 | #define ONE_DAY_SECOND 60*60*24 | |
2272 | #define ONE_WEEK_SECOND 60*60*24*7 | |
2273 | ||
2274 | if (now < ONE_DAY_SECOND) | |
2275 | snprintf (buf, buflen, "%02d:%02d:%02d", | |
2276 | tm->tm_hour, tm->tm_min, tm->tm_sec); | |
2277 | else if (now < ONE_WEEK_SECOND) | |
2278 | snprintf (buf, buflen, "%dd%02dh%02dm", | |
2279 | tm->tm_yday, tm->tm_hour, tm->tm_min); | |
2280 | else | |
2281 | snprintf (buf, buflen, "%02dw%dd%02dh", | |
2282 | tm->tm_yday/7, tm->tm_yday - ((tm->tm_yday/7) * 7), tm->tm_hour); | |
2283 | return buf; | |
2284 | } | |
2285 | ||
2286 | static void | |
2287 | zebra_show_client_detail (struct vty *vty, struct zserv *client) | |
2288 | { | |
2289 | char cbuf[ZEBRA_TIME_BUF], rbuf[ZEBRA_TIME_BUF]; | |
2290 | char wbuf[ZEBRA_TIME_BUF], nhbuf[ZEBRA_TIME_BUF], mbuf[ZEBRA_TIME_BUF]; | |
2291 | ||
7c8ff89e DS |
2292 | vty_out (vty, "Client: %s", zebra_route_string(client->proto)); |
2293 | if (client->instance) | |
2294 | vty_out (vty, " Instance: %d", client->instance); | |
2295 | vty_out (vty, "%s", VTY_NEWLINE); | |
2296 | ||
04b02fda DS |
2297 | vty_out (vty, "------------------------ %s", VTY_NEWLINE); |
2298 | vty_out (vty, "FD: %d %s", client->sock, VTY_NEWLINE); | |
2299 | vty_out (vty, "Route Table ID: %d %s", client->rtm_table, VTY_NEWLINE); | |
2300 | ||
2301 | vty_out (vty, "Connect Time: %s %s", | |
2302 | zserv_time_buf(&client->connect_time, cbuf, ZEBRA_TIME_BUF), | |
2303 | VTY_NEWLINE); | |
2304 | if (client->nh_reg_time) | |
2305 | { | |
2306 | vty_out (vty, "Nexthop Registry Time: %s %s", | |
2307 | zserv_time_buf(&client->nh_reg_time, nhbuf, ZEBRA_TIME_BUF), | |
2308 | VTY_NEWLINE); | |
2309 | if (client->nh_last_upd_time) | |
2310 | vty_out (vty, "Nexthop Last Update Time: %s %s", | |
2311 | zserv_time_buf(&client->nh_last_upd_time, mbuf, ZEBRA_TIME_BUF), | |
2312 | VTY_NEWLINE); | |
2313 | else | |
2314 | vty_out (vty, "No Nexthop Update sent%s", VTY_NEWLINE); | |
2315 | } | |
2316 | else | |
2317 | vty_out (vty, "Not registered for Nexthop Updates%s", VTY_NEWLINE); | |
2318 | ||
2319 | vty_out (vty, "Last Msg Rx Time: %s %s", | |
2320 | zserv_time_buf(&client->last_read_time, rbuf, ZEBRA_TIME_BUF), | |
2321 | VTY_NEWLINE); | |
2322 | vty_out (vty, "Last Msg Tx Time: %s %s", | |
2323 | zserv_time_buf(&client->last_write_time, wbuf, ZEBRA_TIME_BUF), | |
2324 | VTY_NEWLINE); | |
2325 | if (client->last_read_time) | |
2326 | vty_out (vty, "Last Rcvd Cmd: %s %s", | |
2327 | zserv_command_string(client->last_read_cmd), VTY_NEWLINE); | |
2328 | if (client->last_write_time) | |
2329 | vty_out (vty, "Last Sent Cmd: %s %s", | |
2330 | zserv_command_string(client->last_write_cmd), VTY_NEWLINE); | |
2331 | vty_out (vty, "%s", VTY_NEWLINE); | |
2332 | ||
2333 | vty_out (vty, "Type Add Update Del %s", VTY_NEWLINE); | |
2334 | vty_out (vty, "================================================== %s", VTY_NEWLINE); | |
2335 | vty_out (vty, "IPv4 %-12d%-12d%-12d%s", client->v4_route_add_cnt, | |
2336 | client->v4_route_upd8_cnt, client->v4_route_del_cnt, VTY_NEWLINE); | |
2337 | vty_out (vty, "IPv6 %-12d%-12d%-12d%s", client->v6_route_add_cnt, | |
2338 | client->v6_route_upd8_cnt, client->v6_route_del_cnt, VTY_NEWLINE); | |
2339 | vty_out (vty, "Redist:v4 %-12d%-12d%-12d%s", client->redist_v4_add_cnt, 0, | |
2340 | client->redist_v4_del_cnt, VTY_NEWLINE); | |
2341 | vty_out (vty, "Redist:v6 %-12d%-12d%-12d%s", client->redist_v6_add_cnt, 0, | |
2342 | client->redist_v6_del_cnt, VTY_NEWLINE); | |
2343 | vty_out (vty, "Connected %-12d%-12d%-12d%s", client->ifadd_cnt, 0, | |
2344 | client->ifdel_cnt, VTY_NEWLINE); | |
c43ed2e4 DS |
2345 | vty_out (vty, "BFD peer %-12d%-12d%-12d%s", client->bfd_peer_add_cnt, |
2346 | client->bfd_peer_upd8_cnt, client->bfd_peer_del_cnt, VTY_NEWLINE); | |
04b02fda DS |
2347 | vty_out (vty, "Interface Up Notifications: %d%s", client->ifup_cnt, |
2348 | VTY_NEWLINE); | |
2349 | vty_out (vty, "Interface Down Notifications: %d%s", client->ifdown_cnt, | |
2350 | VTY_NEWLINE); | |
2351 | ||
2352 | vty_out (vty, "%s", VTY_NEWLINE); | |
2353 | return; | |
2354 | } | |
2355 | ||
2356 | static void | |
2357 | zebra_show_client_brief (struct vty *vty, struct zserv *client) | |
2358 | { | |
2359 | char cbuf[ZEBRA_TIME_BUF], rbuf[ZEBRA_TIME_BUF]; | |
2360 | char wbuf[ZEBRA_TIME_BUF]; | |
2361 | ||
2362 | vty_out (vty, "%-8s%12s %12s%12s%8d/%-8d%8d/%-8d%s", | |
2363 | zebra_route_string(client->proto), | |
2364 | zserv_time_buf(&client->connect_time, cbuf, ZEBRA_TIME_BUF), | |
2365 | zserv_time_buf(&client->last_read_time, rbuf, ZEBRA_TIME_BUF), | |
2366 | zserv_time_buf(&client->last_write_time, wbuf, ZEBRA_TIME_BUF), | |
2367 | client->v4_route_add_cnt+client->v4_route_upd8_cnt, | |
2368 | client->v4_route_del_cnt, | |
2369 | client->v6_route_add_cnt+client->v6_route_upd8_cnt, | |
2370 | client->v6_route_del_cnt, VTY_NEWLINE); | |
2371 | ||
2372 | } | |
2373 | ||
5e08fee1 | 2374 | struct zserv * |
2375 | zebra_find_client (u_char proto) | |
2376 | { | |
2377 | struct listnode *node, *nnode; | |
2378 | struct zserv *client; | |
2379 | ||
2380 | for (ALL_LIST_ELEMENTS (zebrad.client_list, node, nnode, client)) | |
2381 | { | |
2382 | if (client->proto == proto) | |
2383 | return client; | |
2384 | } | |
2385 | ||
2386 | return NULL; | |
2387 | } | |
2388 | ||
04b02fda | 2389 | |
718e3744 | 2390 | /* Display default rtm_table for all clients. */ |
2391 | DEFUN (show_table, | |
2392 | show_table_cmd, | |
2393 | "show table", | |
2394 | SHOW_STR | |
2395 | "default routing table to use for all clients\n") | |
2396 | { | |
b21b19c5 | 2397 | vty_out (vty, "table %d%s", zebrad.rtm_table_default, |
718e3744 | 2398 | VTY_NEWLINE); |
2399 | return CMD_SUCCESS; | |
2400 | } | |
2401 | ||
6147e2c6 | 2402 | DEFUN (config_table, |
718e3744 | 2403 | config_table_cmd, |
2404 | "table TABLENO", | |
2405 | "Configure target kernel routing table\n" | |
2406 | "TABLE integer\n") | |
2407 | { | |
6af6be86 | 2408 | zebrad.rtm_table_default = strtol (argv[1]->arg, (char**)0, 10); |
718e3744 | 2409 | return CMD_SUCCESS; |
2410 | } | |
2411 | ||
813d4307 DW |
2412 | DEFUN (no_config_table, |
2413 | no_config_table_cmd, | |
6af6be86 | 2414 | "no table [TABLENO]", |
813d4307 DW |
2415 | NO_STR |
2416 | "Configure target kernel routing table\n" | |
2417 | "TABLE integer\n") | |
2418 | { | |
2419 | zebrad.rtm_table_default = 0; | |
2420 | return CMD_SUCCESS; | |
2421 | } | |
2422 | ||
647e4f1f | 2423 | DEFUN (ip_forwarding, |
2424 | ip_forwarding_cmd, | |
2425 | "ip forwarding", | |
2426 | IP_STR | |
2427 | "Turn on IP forwarding") | |
2428 | { | |
2429 | int ret; | |
2430 | ||
2431 | ret = ipforward (); | |
b71f00f2 | 2432 | if (ret == 0) |
2433 | ret = ipforward_on (); | |
647e4f1f | 2434 | |
647e4f1f | 2435 | if (ret == 0) |
2436 | { | |
2437 | vty_out (vty, "Can't turn on IP forwarding%s", VTY_NEWLINE); | |
2438 | return CMD_WARNING; | |
2439 | } | |
2440 | ||
2441 | return CMD_SUCCESS; | |
2442 | } | |
2443 | ||
718e3744 | 2444 | DEFUN (no_ip_forwarding, |
2445 | no_ip_forwarding_cmd, | |
2446 | "no ip forwarding", | |
2447 | NO_STR | |
2448 | IP_STR | |
2449 | "Turn off IP forwarding") | |
2450 | { | |
2451 | int ret; | |
2452 | ||
2453 | ret = ipforward (); | |
b71f00f2 | 2454 | if (ret != 0) |
2455 | ret = ipforward_off (); | |
718e3744 | 2456 | |
718e3744 | 2457 | if (ret != 0) |
2458 | { | |
2459 | vty_out (vty, "Can't turn off IP forwarding%s", VTY_NEWLINE); | |
2460 | return CMD_WARNING; | |
2461 | } | |
2462 | ||
2463 | return CMD_SUCCESS; | |
2464 | } | |
2465 | ||
2466 | /* This command is for debugging purpose. */ | |
2467 | DEFUN (show_zebra_client, | |
2468 | show_zebra_client_cmd, | |
2469 | "show zebra client", | |
2470 | SHOW_STR | |
49d73233 | 2471 | "Zebra information\n" |
718e3744 | 2472 | "Client information") |
2473 | { | |
52dc7ee6 | 2474 | struct listnode *node; |
718e3744 | 2475 | struct zserv *client; |
2476 | ||
1eb8ef25 | 2477 | for (ALL_LIST_ELEMENTS_RO (zebrad.client_list, node, client)) |
04b02fda DS |
2478 | zebra_show_client_detail(vty, client); |
2479 | ||
2480 | return CMD_SUCCESS; | |
2481 | } | |
2482 | ||
2483 | /* This command is for debugging purpose. */ | |
2484 | DEFUN (show_zebra_client_summary, | |
2485 | show_zebra_client_summary_cmd, | |
2486 | "show zebra client summary", | |
2487 | SHOW_STR | |
2488 | "Zebra information brief" | |
2489 | "Client information brief") | |
2490 | { | |
2491 | struct listnode *node; | |
2492 | struct zserv *client; | |
2493 | ||
2494 | vty_out (vty, "Name Connect Time Last Read Last Write IPv4 Routes IPv6 Routes %s", | |
2495 | VTY_NEWLINE); | |
2496 | vty_out (vty,"--------------------------------------------------------------------------------%s", | |
2497 | VTY_NEWLINE); | |
2498 | ||
2499 | for (ALL_LIST_ELEMENTS_RO (zebrad.client_list, node, client)) | |
2500 | zebra_show_client_brief(vty, client); | |
fb018d25 | 2501 | |
04b02fda | 2502 | vty_out (vty, "Routes column shows (added+updated)/deleted%s", VTY_NEWLINE); |
718e3744 | 2503 | return CMD_SUCCESS; |
2504 | } | |
2505 | ||
2506 | /* Table configuration write function. */ | |
b9df2d25 | 2507 | static int |
718e3744 | 2508 | config_write_table (struct vty *vty) |
2509 | { | |
b21b19c5 | 2510 | if (zebrad.rtm_table_default) |
2511 | vty_out (vty, "table %d%s", zebrad.rtm_table_default, | |
718e3744 | 2512 | VTY_NEWLINE); |
2513 | return 0; | |
2514 | } | |
2515 | ||
2516 | /* table node for routing tables. */ | |
7fc626de | 2517 | static struct cmd_node table_node = |
718e3744 | 2518 | { |
2519 | TABLE_NODE, | |
2520 | "", /* This node has no interface. */ | |
2521 | 1 | |
2522 | }; | |
6b0655a2 | 2523 | |
718e3744 | 2524 | /* Only display ip forwarding is enabled or not. */ |
2525 | DEFUN (show_ip_forwarding, | |
2526 | show_ip_forwarding_cmd, | |
2527 | "show ip forwarding", | |
2528 | SHOW_STR | |
2529 | IP_STR | |
2530 | "IP forwarding status\n") | |
2531 | { | |
2532 | int ret; | |
2533 | ||
2534 | ret = ipforward (); | |
2535 | ||
2536 | if (ret == 0) | |
2537 | vty_out (vty, "IP forwarding is off%s", VTY_NEWLINE); | |
2538 | else | |
2539 | vty_out (vty, "IP forwarding is on%s", VTY_NEWLINE); | |
2540 | return CMD_SUCCESS; | |
2541 | } | |
2542 | ||
2543 | #ifdef HAVE_IPV6 | |
2544 | /* Only display ipv6 forwarding is enabled or not. */ | |
2545 | DEFUN (show_ipv6_forwarding, | |
2546 | show_ipv6_forwarding_cmd, | |
2547 | "show ipv6 forwarding", | |
2548 | SHOW_STR | |
2549 | "IPv6 information\n" | |
2550 | "Forwarding status\n") | |
2551 | { | |
2552 | int ret; | |
2553 | ||
2554 | ret = ipforward_ipv6 (); | |
2555 | ||
2556 | switch (ret) | |
2557 | { | |
2558 | case -1: | |
2559 | vty_out (vty, "ipv6 forwarding is unknown%s", VTY_NEWLINE); | |
2560 | break; | |
2561 | case 0: | |
2562 | vty_out (vty, "ipv6 forwarding is %s%s", "off", VTY_NEWLINE); | |
2563 | break; | |
2564 | case 1: | |
2565 | vty_out (vty, "ipv6 forwarding is %s%s", "on", VTY_NEWLINE); | |
2566 | break; | |
2567 | default: | |
2568 | vty_out (vty, "ipv6 forwarding is %s%s", "off", VTY_NEWLINE); | |
2569 | break; | |
2570 | } | |
2571 | return CMD_SUCCESS; | |
2572 | } | |
2573 | ||
55906724 | 2574 | DEFUN (ipv6_forwarding, |
2575 | ipv6_forwarding_cmd, | |
2576 | "ipv6 forwarding", | |
2577 | IPV6_STR | |
2578 | "Turn on IPv6 forwarding") | |
2579 | { | |
2580 | int ret; | |
2581 | ||
41d3fc96 | 2582 | ret = ipforward_ipv6 (); |
b71f00f2 | 2583 | if (ret == 0) |
2584 | ret = ipforward_ipv6_on (); | |
41d3fc96 | 2585 | |
41d3fc96 | 2586 | if (ret == 0) |
55906724 | 2587 | { |
2588 | vty_out (vty, "Can't turn on IPv6 forwarding%s", VTY_NEWLINE); | |
2589 | return CMD_WARNING; | |
2590 | } | |
2591 | ||
2592 | return CMD_SUCCESS; | |
2593 | } | |
2594 | ||
718e3744 | 2595 | DEFUN (no_ipv6_forwarding, |
2596 | no_ipv6_forwarding_cmd, | |
2597 | "no ipv6 forwarding", | |
2598 | NO_STR | |
55906724 | 2599 | IPV6_STR |
2600 | "Turn off IPv6 forwarding") | |
718e3744 | 2601 | { |
2602 | int ret; | |
2603 | ||
41d3fc96 | 2604 | ret = ipforward_ipv6 (); |
b71f00f2 | 2605 | if (ret != 0) |
2606 | ret = ipforward_ipv6_off (); | |
41d3fc96 | 2607 | |
718e3744 | 2608 | if (ret != 0) |
2609 | { | |
2610 | vty_out (vty, "Can't turn off IPv6 forwarding%s", VTY_NEWLINE); | |
2611 | return CMD_WARNING; | |
2612 | } | |
2613 | ||
2614 | return CMD_SUCCESS; | |
2615 | } | |
2616 | ||
2617 | #endif /* HAVE_IPV6 */ | |
2618 | ||
2619 | /* IPForwarding configuration write function. */ | |
719e9741 | 2620 | static int |
718e3744 | 2621 | config_write_forwarding (struct vty *vty) |
2622 | { | |
18a6dce6 | 2623 | /* FIXME: Find better place for that. */ |
2624 | router_id_write (vty); | |
2625 | ||
f40dd648 QY |
2626 | if (!ipforward ()) |
2627 | vty_out (vty, "no ip forwarding%s", VTY_NEWLINE); | |
718e3744 | 2628 | #ifdef HAVE_IPV6 |
f40dd648 QY |
2629 | if (!ipforward_ipv6 ()) |
2630 | vty_out (vty, "no ipv6 forwarding%s", VTY_NEWLINE); | |
718e3744 | 2631 | #endif /* HAVE_IPV6 */ |
2632 | vty_out (vty, "!%s", VTY_NEWLINE); | |
2633 | return 0; | |
2634 | } | |
2635 | ||
2636 | /* table node for routing tables. */ | |
7fc626de | 2637 | static struct cmd_node forwarding_node = |
718e3744 | 2638 | { |
2639 | FORWARDING_NODE, | |
2640 | "", /* This node has no interface. */ | |
2641 | 1 | |
2642 | }; | |
2643 | ||
711ff0ba USK |
2644 | #ifdef HAVE_FPM |
2645 | /* function to write the fpm config info */ | |
2646 | static int | |
2647 | config_write_fpm (struct vty *vty) | |
2648 | { | |
2649 | return | |
2650 | fpm_remote_srv_write (vty); | |
2651 | } | |
2652 | ||
2653 | /* Zebra node */ | |
2654 | static struct cmd_node zebra_node = | |
2655 | { | |
2656 | ZEBRA_NODE, | |
2657 | "", | |
2658 | 1 | |
2659 | }; | |
2660 | #endif | |
2661 | ||
6b0655a2 | 2662 | |
718e3744 | 2663 | /* Initialisation of zebra and installation of commands. */ |
2664 | void | |
a1ac18c4 | 2665 | zebra_init (void) |
718e3744 | 2666 | { |
2667 | /* Client list init. */ | |
b21b19c5 | 2668 | zebrad.client_list = list_new (); |
718e3744 | 2669 | |
718e3744 | 2670 | /* Install configuration write function. */ |
2671 | install_node (&table_node, config_write_table); | |
2672 | install_node (&forwarding_node, config_write_forwarding); | |
711ff0ba USK |
2673 | #ifdef HAVE_FPM |
2674 | install_node (&zebra_node, config_write_fpm); | |
2675 | #endif | |
718e3744 | 2676 | |
2677 | install_element (VIEW_NODE, &show_ip_forwarding_cmd); | |
647e4f1f | 2678 | install_element (CONFIG_NODE, &ip_forwarding_cmd); |
718e3744 | 2679 | install_element (CONFIG_NODE, &no_ip_forwarding_cmd); |
2680 | install_element (ENABLE_NODE, &show_zebra_client_cmd); | |
04b02fda | 2681 | install_element (ENABLE_NODE, &show_zebra_client_summary_cmd); |
718e3744 | 2682 | |
2683 | #ifdef HAVE_NETLINK | |
2684 | install_element (VIEW_NODE, &show_table_cmd); | |
718e3744 | 2685 | install_element (CONFIG_NODE, &config_table_cmd); |
813d4307 | 2686 | install_element (CONFIG_NODE, &no_config_table_cmd); |
718e3744 | 2687 | #endif /* HAVE_NETLINK */ |
2688 | ||
2689 | #ifdef HAVE_IPV6 | |
2690 | install_element (VIEW_NODE, &show_ipv6_forwarding_cmd); | |
55906724 | 2691 | install_element (CONFIG_NODE, &ipv6_forwarding_cmd); |
718e3744 | 2692 | install_element (CONFIG_NODE, &no_ipv6_forwarding_cmd); |
2693 | #endif /* HAVE_IPV6 */ | |
7514fb77 PJ |
2694 | |
2695 | /* Route-map */ | |
2696 | zebra_route_map_init (); | |
718e3744 | 2697 | } |
97be79f9 DO |
2698 | |
2699 | /* Make zebra server socket, wiping any existing one (see bug #403). */ | |
2700 | void | |
b5114685 | 2701 | zebra_zserv_socket_init (char *path) |
97be79f9 DO |
2702 | { |
2703 | #ifdef HAVE_TCP_ZEBRA | |
2704 | zebra_serv (); | |
2705 | #else | |
b5114685 | 2706 | zebra_serv_un (path ? path : ZEBRA_SERV_PATH); |
97be79f9 DO |
2707 | #endif /* HAVE_TCP_ZEBRA */ |
2708 | } |