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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" |
e3be0432 | 57 | #include "zebra/zebra_mroute.h" |
6b0655a2 | 58 | |
718e3744 | 59 | /* Event list of zebra. */ |
60 | enum event { ZEBRA_SERV, ZEBRA_READ, ZEBRA_WRITE }; | |
61 | ||
b9df2d25 | 62 | static void zebra_event (enum event event, int sock, struct zserv *client); |
ccf3557b | 63 | |
edd7c245 | 64 | extern struct zebra_privs_t zserv_privs; |
6b0655a2 | 65 | |
719e9741 | 66 | static void zebra_client_close (struct zserv *client); |
ccf3557b | 67 | |
719e9741 | 68 | static int |
69 | zserv_delayed_close(struct thread *thread) | |
ccf3557b | 70 | { |
719e9741 | 71 | struct zserv *client = THREAD_ARG(thread); |
ccf3557b | 72 | |
719e9741 | 73 | client->t_suicide = NULL; |
74 | zebra_client_close(client); | |
ccf3557b | 75 | return 0; |
76 | } | |
77 | ||
719e9741 | 78 | static int |
79 | zserv_flush_data(struct thread *thread) | |
ccf3557b | 80 | { |
719e9741 | 81 | struct zserv *client = THREAD_ARG(thread); |
ccf3557b | 82 | |
719e9741 | 83 | client->t_write = NULL; |
84 | if (client->t_suicide) | |
ccf3557b | 85 | { |
719e9741 | 86 | zebra_client_close(client); |
87 | return -1; | |
ccf3557b | 88 | } |
719e9741 | 89 | switch (buffer_flush_available(client->wb, client->sock)) |
ccf3557b | 90 | { |
719e9741 | 91 | case BUFFER_ERROR: |
92 | zlog_warn("%s: buffer_flush_available failed on zserv client fd %d, " | |
93 | "closing", __func__, client->sock); | |
94 | zebra_client_close(client); | |
4b21f878 | 95 | client = NULL; |
719e9741 | 96 | break; |
97 | case BUFFER_PENDING: | |
98 | client->t_write = thread_add_write(zebrad.master, zserv_flush_data, | |
99 | client, client->sock); | |
100 | break; | |
101 | case BUFFER_EMPTY: | |
102 | break; | |
ccf3557b | 103 | } |
04b02fda | 104 | |
4b21f878 DS |
105 | if (client) |
106 | client->last_write_time = monotime(NULL); | |
719e9741 | 107 | return 0; |
108 | } | |
ccf3557b | 109 | |
fb018d25 | 110 | int |
719e9741 | 111 | zebra_server_send_message(struct zserv *client) |
112 | { | |
113 | if (client->t_suicide) | |
114 | return -1; | |
04b02fda DS |
115 | |
116 | stream_set_getp(client->obuf, 0); | |
80ab3edf | 117 | client->last_write_cmd = stream_getw_from(client->obuf, 6); |
719e9741 | 118 | switch (buffer_write(client->wb, client->sock, STREAM_DATA(client->obuf), |
119 | stream_get_endp(client->obuf))) | |
120 | { | |
121 | case BUFFER_ERROR: | |
122 | zlog_warn("%s: buffer_write failed to zserv client fd %d, closing", | |
123 | __func__, client->sock); | |
124 | /* Schedule a delayed close since many of the functions that call this | |
125 | one do not check the return code. They do not allow for the | |
126 | possibility that an I/O error may have caused the client to be | |
127 | deleted. */ | |
128 | client->t_suicide = thread_add_event(zebrad.master, zserv_delayed_close, | |
129 | client, 0); | |
130 | return -1; | |
719e9741 | 131 | case BUFFER_EMPTY: |
132 | THREAD_OFF(client->t_write); | |
133 | break; | |
134 | case BUFFER_PENDING: | |
135 | THREAD_WRITE_ON(zebrad.master, client->t_write, | |
136 | zserv_flush_data, client, client->sock); | |
137 | break; | |
138 | } | |
04b02fda | 139 | |
cf672a86 | 140 | client->last_write_time = monotime(NULL); |
ccf3557b | 141 | return 0; |
142 | } | |
143 | ||
fb018d25 | 144 | void |
7076bb2f | 145 | zserv_create_header (struct stream *s, uint16_t cmd, vrf_id_t vrf_id) |
c1b9800a | 146 | { |
147 | /* length placeholder, caller can update */ | |
148 | stream_putw (s, ZEBRA_HEADER_SIZE); | |
149 | stream_putc (s, ZEBRA_HEADER_MARKER); | |
150 | stream_putc (s, ZSERV_VERSION); | |
7076bb2f | 151 | stream_putw (s, vrf_id); |
c1b9800a | 152 | stream_putw (s, cmd); |
153 | } | |
154 | ||
51d4ef83 JB |
155 | static void |
156 | zserv_encode_interface (struct stream *s, struct interface *ifp) | |
157 | { | |
158 | /* Interface information. */ | |
159 | stream_put (s, ifp->name, INTERFACE_NAMSIZ); | |
160 | stream_putl (s, ifp->ifindex); | |
161 | stream_putc (s, ifp->status); | |
162 | stream_putq (s, ifp->flags); | |
244c1cdc DS |
163 | stream_putc (s, ifp->ptm_enable); |
164 | stream_putc (s, ifp->ptm_status); | |
51d4ef83 JB |
165 | stream_putl (s, ifp->metric); |
166 | stream_putl (s, ifp->mtu); | |
167 | stream_putl (s, ifp->mtu6); | |
168 | stream_putl (s, ifp->bandwidth); | |
8ccc7e80 | 169 | stream_putl (s, ifp->ll_type); |
51d4ef83 JB |
170 | stream_putl (s, ifp->hw_addr_len); |
171 | if (ifp->hw_addr_len) | |
172 | stream_put (s, ifp->hw_addr, ifp->hw_addr_len); | |
51d4ef83 | 173 | |
16f1b9ee OD |
174 | /* Then, Traffic Engineering parameters if any */ |
175 | if (HAS_LINK_PARAMS(ifp) && IS_LINK_PARAMS_SET(ifp->link_params)) | |
176 | { | |
177 | stream_putc (s, 1); | |
178 | zebra_interface_link_params_write (s, ifp); | |
179 | } | |
180 | else | |
181 | stream_putc (s, 0); | |
182 | ||
51d4ef83 JB |
183 | /* Write packet size. */ |
184 | stream_putw_at (s, 0, stream_get_endp (s)); | |
185 | } | |
186 | ||
12f6fb97 | 187 | static void |
9e1bf607 | 188 | zserv_encode_vrf (struct stream *s, struct zebra_vrf *zvrf) |
12f6fb97 DS |
189 | { |
190 | /* Interface information. */ | |
661512bf | 191 | stream_put (s, zvrf_name (zvrf), VRF_NAMSIZ); |
12f6fb97 DS |
192 | |
193 | /* Write packet size. */ | |
194 | stream_putw_at (s, 0, stream_get_endp (s)); | |
195 | } | |
196 | ||
718e3744 | 197 | /* Interface is added. Send ZEBRA_INTERFACE_ADD to client. */ |
b9df2d25 | 198 | /* |
199 | * This function is called in the following situations: | |
200 | * - in response to a 3-byte ZEBRA_INTERFACE_ADD request | |
201 | * from the client. | |
202 | * - at startup, when zebra figures out the available interfaces | |
203 | * - when an interface is added (where support for | |
204 | * RTM_IFANNOUNCE or AF_NETLINK sockets is available), or when | |
205 | * an interface is marked IFF_UP (i.e., an RTM_IFINFO message is | |
206 | * received) | |
207 | */ | |
718e3744 | 208 | int |
209 | zsend_interface_add (struct zserv *client, struct interface *ifp) | |
210 | { | |
211 | struct stream *s; | |
212 | ||
718e3744 | 213 | s = client->obuf; |
214 | stream_reset (s); | |
215 | ||
7076bb2f | 216 | zserv_create_header (s, ZEBRA_INTERFACE_ADD, ifp->vrf_id); |
51d4ef83 | 217 | zserv_encode_interface (s, ifp); |
718e3744 | 218 | |
04b02fda | 219 | client->ifadd_cnt++; |
719e9741 | 220 | return zebra_server_send_message(client); |
718e3744 | 221 | } |
222 | ||
223 | /* Interface deletion from zebra daemon. */ | |
224 | int | |
225 | zsend_interface_delete (struct zserv *client, struct interface *ifp) | |
226 | { | |
227 | struct stream *s; | |
228 | ||
718e3744 | 229 | s = client->obuf; |
230 | stream_reset (s); | |
718e3744 | 231 | |
7076bb2f | 232 | zserv_create_header (s, ZEBRA_INTERFACE_DELETE, ifp->vrf_id); |
51d4ef83 | 233 | zserv_encode_interface (s, ifp); |
718e3744 | 234 | |
04b02fda | 235 | client->ifdel_cnt++; |
719e9741 | 236 | return zebra_server_send_message (client); |
718e3744 | 237 | } |
238 | ||
12f6fb97 | 239 | int |
9e1bf607 | 240 | zsend_vrf_add (struct zserv *client, struct zebra_vrf *zvrf) |
12f6fb97 DS |
241 | { |
242 | struct stream *s; | |
243 | ||
244 | s = client->obuf; | |
245 | stream_reset (s); | |
246 | ||
661512bf | 247 | zserv_create_header (s, ZEBRA_VRF_ADD, zvrf_id (zvrf)); |
9e1bf607 | 248 | zserv_encode_vrf (s, zvrf); |
12f6fb97 DS |
249 | |
250 | client->vrfadd_cnt++; | |
251 | return zebra_server_send_message(client); | |
252 | } | |
253 | ||
254 | /* VRF deletion from zebra daemon. */ | |
255 | int | |
9e1bf607 | 256 | zsend_vrf_delete (struct zserv *client, struct zebra_vrf *zvrf) |
12f6fb97 DS |
257 | { |
258 | struct stream *s; | |
259 | ||
260 | s = client->obuf; | |
261 | stream_reset (s); | |
262 | ||
661512bf | 263 | zserv_create_header (s, ZEBRA_VRF_DELETE, zvrf_id (zvrf)); |
9e1bf607 | 264 | zserv_encode_vrf (s, zvrf); |
12f6fb97 DS |
265 | |
266 | client->vrfdel_cnt++; | |
267 | return zebra_server_send_message (client); | |
268 | } | |
269 | ||
16f1b9ee OD |
270 | int |
271 | zsend_interface_link_params (struct zserv *client, struct interface *ifp) | |
272 | { | |
273 | struct stream *s; | |
274 | ||
275 | /* Check this client need interface information. */ | |
276 | if (! client->ifinfo) | |
277 | return 0; | |
278 | ||
279 | if (!ifp->link_params) | |
280 | return 0; | |
281 | s = client->obuf; | |
282 | stream_reset (s); | |
283 | ||
284 | zserv_create_header (s, ZEBRA_INTERFACE_LINK_PARAMS, ifp->vrf_id); | |
285 | ||
286 | /* Add Interface Index */ | |
287 | stream_putl (s, ifp->ifindex); | |
288 | ||
289 | /* Then TE Link Parameters */ | |
290 | if (zebra_interface_link_params_write (s, ifp) == 0) | |
291 | return 0; | |
292 | ||
293 | /* Write packet size. */ | |
294 | stream_putw_at (s, 0, stream_get_endp (s)); | |
295 | ||
296 | return zebra_server_send_message (client); | |
297 | } | |
298 | ||
b9df2d25 | 299 | /* Interface address is added/deleted. Send ZEBRA_INTERFACE_ADDRESS_ADD or |
300 | * ZEBRA_INTERFACE_ADDRESS_DELETE to the client. | |
301 | * | |
302 | * A ZEBRA_INTERFACE_ADDRESS_ADD is sent in the following situations: | |
303 | * - in response to a 3-byte ZEBRA_INTERFACE_ADD request | |
304 | * from the client, after the ZEBRA_INTERFACE_ADD has been | |
305 | * sent from zebra to the client | |
306 | * - redistribute new address info to all clients in the following situations | |
307 | * - at startup, when zebra figures out the available interfaces | |
308 | * - when an interface is added (where support for | |
309 | * RTM_IFANNOUNCE or AF_NETLINK sockets is available), or when | |
310 | * an interface is marked IFF_UP (i.e., an RTM_IFINFO message is | |
311 | * received) | |
312 | * - for the vty commands "ip address A.B.C.D/M [<secondary>|<label LINE>]" | |
313 | * and "no bandwidth <1-10000000>", "ipv6 address X:X::X:X/M" | |
314 | * - when an RTM_NEWADDR message is received from the kernel, | |
315 | * | |
316 | * The call tree that triggers ZEBRA_INTERFACE_ADDRESS_DELETE: | |
317 | * | |
318 | * zsend_interface_address(DELETE) | |
319 | * ^ | |
320 | * | | |
321 | * zebra_interface_address_delete_update | |
322 | * ^ ^ ^ | |
6eb8827d | 323 | * | | if_delete_update |
324 | * | | | |
b9df2d25 | 325 | * ip_address_uninstall connected_delete_ipv4 |
326 | * [ipv6_addresss_uninstall] [connected_delete_ipv6] | |
327 | * ^ ^ | |
328 | * | | | |
329 | * | RTM_NEWADDR on routing/netlink socket | |
330 | * | | |
331 | * vty commands: | |
332 | * "no ip address A.B.C.D/M [label LINE]" | |
333 | * "no ip address A.B.C.D/M secondary" | |
334 | * ["no ipv6 address X:X::X:X/M"] | |
335 | * | |
336 | */ | |
718e3744 | 337 | int |
b9df2d25 | 338 | zsend_interface_address (int cmd, struct zserv *client, |
339 | struct interface *ifp, struct connected *ifc) | |
718e3744 | 340 | { |
341 | int blen; | |
342 | struct stream *s; | |
343 | struct prefix *p; | |
344 | ||
718e3744 | 345 | s = client->obuf; |
346 | stream_reset (s); | |
c1b9800a | 347 | |
7076bb2f | 348 | zserv_create_header (s, cmd, ifp->vrf_id); |
718e3744 | 349 | stream_putl (s, ifp->ifindex); |
350 | ||
351 | /* Interface address flag. */ | |
352 | stream_putc (s, ifc->flags); | |
353 | ||
354 | /* Prefix information. */ | |
355 | p = ifc->address; | |
356 | stream_putc (s, p->family); | |
357 | blen = prefix_blen (p); | |
358 | stream_put (s, &p->u.prefix, blen); | |
b9df2d25 | 359 | |
360 | /* | |
361 | * XXX gnu version does not send prefixlen for ZEBRA_INTERFACE_ADDRESS_DELETE | |
362 | * but zebra_interface_address_delete_read() in the gnu version | |
363 | * expects to find it | |
364 | */ | |
718e3744 | 365 | stream_putc (s, p->prefixlen); |
366 | ||
367 | /* Destination. */ | |
368 | p = ifc->destination; | |
369 | if (p) | |
370 | stream_put (s, &p->u.prefix, blen); | |
371 | else | |
372 | stream_put (s, NULL, blen); | |
373 | ||
374 | /* Write packet size. */ | |
375 | stream_putw_at (s, 0, stream_get_endp (s)); | |
376 | ||
04b02fda | 377 | client->connected_rt_add_cnt++; |
719e9741 | 378 | return zebra_server_send_message(client); |
718e3744 | 379 | } |
380 | ||
a80beece DS |
381 | static int |
382 | zsend_interface_nbr_address (int cmd, struct zserv *client, | |
383 | struct interface *ifp, struct nbr_connected *ifc) | |
384 | { | |
385 | int blen; | |
386 | struct stream *s; | |
387 | struct prefix *p; | |
388 | ||
a80beece DS |
389 | s = client->obuf; |
390 | stream_reset (s); | |
391 | ||
7076bb2f | 392 | zserv_create_header (s, cmd, ifp->vrf_id); |
a80beece DS |
393 | stream_putl (s, ifp->ifindex); |
394 | ||
395 | /* Prefix information. */ | |
396 | p = ifc->address; | |
397 | stream_putc (s, p->family); | |
398 | blen = prefix_blen (p); | |
399 | stream_put (s, &p->u.prefix, blen); | |
400 | ||
401 | /* | |
402 | * XXX gnu version does not send prefixlen for ZEBRA_INTERFACE_ADDRESS_DELETE | |
403 | * but zebra_interface_address_delete_read() in the gnu version | |
404 | * expects to find it | |
405 | */ | |
406 | stream_putc (s, p->prefixlen); | |
407 | ||
408 | /* Write packet size. */ | |
409 | stream_putw_at (s, 0, stream_get_endp (s)); | |
410 | ||
411 | return zebra_server_send_message(client); | |
412 | } | |
413 | ||
414 | /* Interface address addition. */ | |
415 | static void | |
416 | zebra_interface_nbr_address_add_update (struct interface *ifp, | |
417 | struct nbr_connected *ifc) | |
418 | { | |
419 | struct listnode *node, *nnode; | |
420 | struct zserv *client; | |
421 | struct prefix *p; | |
422 | ||
423 | if (IS_ZEBRA_DEBUG_EVENT) | |
424 | { | |
425 | char buf[INET6_ADDRSTRLEN]; | |
426 | ||
427 | p = ifc->address; | |
428 | zlog_debug ("MESSAGE: ZEBRA_INTERFACE_NBR_ADDRESS_ADD %s/%d on %s", | |
429 | inet_ntop (p->family, &p->u.prefix, buf, INET6_ADDRSTRLEN), | |
430 | p->prefixlen, ifc->ifp->name); | |
431 | } | |
432 | ||
433 | for (ALL_LIST_ELEMENTS (zebrad.client_list, node, nnode, client)) | |
4fe51714 | 434 | zsend_interface_nbr_address (ZEBRA_INTERFACE_NBR_ADDRESS_ADD, client, ifp, ifc); |
a80beece DS |
435 | } |
436 | ||
437 | /* Interface address deletion. */ | |
438 | static void | |
439 | zebra_interface_nbr_address_delete_update (struct interface *ifp, | |
440 | struct nbr_connected *ifc) | |
441 | { | |
442 | struct listnode *node, *nnode; | |
443 | struct zserv *client; | |
444 | struct prefix *p; | |
445 | ||
446 | if (IS_ZEBRA_DEBUG_EVENT) | |
447 | { | |
448 | char buf[INET6_ADDRSTRLEN]; | |
449 | ||
450 | p = ifc->address; | |
451 | zlog_debug ("MESSAGE: ZEBRA_INTERFACE_NBR_ADDRESS_DELETE %s/%d on %s", | |
452 | inet_ntop (p->family, &p->u.prefix, buf, INET6_ADDRSTRLEN), | |
453 | p->prefixlen, ifc->ifp->name); | |
454 | } | |
455 | ||
456 | for (ALL_LIST_ELEMENTS (zebrad.client_list, node, nnode, client)) | |
4fe51714 | 457 | zsend_interface_nbr_address (ZEBRA_INTERFACE_NBR_ADDRESS_DELETE, client, ifp, ifc); |
a80beece DS |
458 | } |
459 | ||
c8e264b6 | 460 | /* Send addresses on interface to client */ |
461 | int | |
462 | zsend_interface_addresses (struct zserv *client, struct interface *ifp) | |
463 | { | |
464 | struct listnode *cnode, *cnnode; | |
465 | struct connected *c; | |
466 | struct nbr_connected *nc; | |
467 | ||
468 | /* Send interface addresses. */ | |
469 | for (ALL_LIST_ELEMENTS (ifp->connected, cnode, cnnode, c)) | |
470 | { | |
471 | if (!CHECK_FLAG (c->conf, ZEBRA_IFC_REAL)) | |
472 | continue; | |
473 | ||
474 | if (zsend_interface_address (ZEBRA_INTERFACE_ADDRESS_ADD, client, | |
475 | ifp, c) < 0) | |
476 | return -1; | |
477 | } | |
478 | ||
479 | /* Send interface neighbors. */ | |
480 | for (ALL_LIST_ELEMENTS (ifp->nbr_connected, cnode, cnnode, nc)) | |
481 | { | |
482 | if (zsend_interface_nbr_address (ZEBRA_INTERFACE_NBR_ADDRESS_ADD, | |
483 | client, ifp, nc) < 0) | |
484 | return -1; | |
485 | } | |
486 | ||
487 | return 0; | |
488 | } | |
489 | ||
490 | /* Notify client about interface moving from one VRF to another. | |
491 | * Whether client is interested in old and new VRF is checked by caller. | |
492 | */ | |
493 | int | |
494 | zsend_interface_vrf_update (struct zserv *client, struct interface *ifp, | |
495 | vrf_id_t vrf_id) | |
496 | { | |
497 | struct stream *s; | |
498 | ||
499 | s = client->obuf; | |
500 | stream_reset (s); | |
501 | ||
502 | zserv_create_header (s, ZEBRA_INTERFACE_VRF_UPDATE, ifp->vrf_id); | |
503 | ||
504 | /* Fill in the ifIndex of the interface and its new VRF (id) */ | |
505 | stream_putl (s, ifp->ifindex); | |
506 | stream_putw (s, vrf_id); | |
507 | ||
508 | /* Write packet size. */ | |
509 | stream_putw_at (s, 0, stream_get_endp (s)); | |
510 | ||
511 | client->if_vrfchg_cnt++; | |
512 | return zebra_server_send_message(client); | |
513 | } | |
514 | ||
1d20ccf3 | 515 | /* Add new nbr connected IPv6 address */ |
a80beece | 516 | void |
1d20ccf3 | 517 | nbr_connected_add_ipv6 (struct interface *ifp, struct in6_addr *address) |
a80beece DS |
518 | { |
519 | struct nbr_connected *ifc; | |
520 | struct prefix p; | |
521 | ||
522 | p.family = AF_INET6; | |
523 | IPV6_ADDR_COPY (&p.u.prefix, address); | |
1d20ccf3 | 524 | p.prefixlen = IPV6_MAX_PREFIXLEN; |
a80beece DS |
525 | |
526 | if (!(ifc = listnode_head(ifp->nbr_connected))) | |
527 | { | |
528 | /* new addition */ | |
529 | ifc = nbr_connected_new (); | |
530 | ifc->address = prefix_new(); | |
531 | ifc->ifp = ifp; | |
532 | listnode_add (ifp->nbr_connected, ifc); | |
533 | } | |
534 | ||
535 | prefix_copy(ifc->address, &p); | |
536 | ||
537 | zebra_interface_nbr_address_add_update (ifp, ifc); | |
5c610faf DS |
538 | |
539 | if_nbr_ipv6ll_to_ipv4ll_neigh_update (ifp, address, 1); | |
a80beece DS |
540 | } |
541 | ||
542 | void | |
1d20ccf3 | 543 | nbr_connected_delete_ipv6 (struct interface *ifp, struct in6_addr *address) |
a80beece DS |
544 | { |
545 | struct nbr_connected *ifc; | |
546 | struct prefix p; | |
547 | ||
548 | p.family = AF_INET6; | |
549 | IPV6_ADDR_COPY (&p.u.prefix, address); | |
1d20ccf3 | 550 | p.prefixlen = IPV6_MAX_PREFIXLEN; |
a80beece DS |
551 | |
552 | ifc = nbr_connected_check(ifp, &p); | |
553 | if (!ifc) | |
554 | return; | |
555 | ||
556 | listnode_delete (ifp->nbr_connected, ifc); | |
557 | ||
558 | zebra_interface_nbr_address_delete_update (ifp, ifc); | |
559 | ||
5c610faf DS |
560 | if_nbr_ipv6ll_to_ipv4ll_neigh_update (ifp, address, 0); |
561 | ||
a80beece DS |
562 | nbr_connected_free (ifc); |
563 | } | |
564 | ||
b9df2d25 | 565 | /* |
566 | * The cmd passed to zsend_interface_update may be ZEBRA_INTERFACE_UP or | |
567 | * ZEBRA_INTERFACE_DOWN. | |
568 | * | |
569 | * The ZEBRA_INTERFACE_UP message is sent from the zebra server to | |
570 | * the clients in one of 2 situations: | |
571 | * - an if_up is detected e.g., as a result of an RTM_IFINFO message | |
572 | * - a vty command modifying the bandwidth of an interface is received. | |
573 | * The ZEBRA_INTERFACE_DOWN message is sent when an if_down is detected. | |
574 | */ | |
718e3744 | 575 | int |
b9df2d25 | 576 | zsend_interface_update (int cmd, struct zserv *client, struct interface *ifp) |
718e3744 | 577 | { |
578 | struct stream *s; | |
579 | ||
718e3744 | 580 | s = client->obuf; |
581 | stream_reset (s); | |
582 | ||
7076bb2f | 583 | zserv_create_header (s, cmd, ifp->vrf_id); |
51d4ef83 | 584 | zserv_encode_interface (s, ifp); |
718e3744 | 585 | |
04b02fda DS |
586 | if (cmd == ZEBRA_INTERFACE_UP) |
587 | client->ifup_cnt++; | |
588 | else | |
589 | client->ifdown_cnt++; | |
590 | ||
719e9741 | 591 | return zebra_server_send_message(client); |
718e3744 | 592 | } |
593 | ||
b9df2d25 | 594 | /* |
5048fe14 | 595 | * This is the new function to announce and withdraw redistributed routes, used |
596 | * by Zebra. This is the old zsend_route_multipath() function. That function | |
597 | * was duplicating code to send a lot of information that was essentially thrown | |
598 | * away or ignored by the receiver. This is the leaner function that is not a | |
599 | * duplicate of the zapi_ipv4_route_add/del. | |
b9df2d25 | 600 | * |
5048fe14 | 601 | * The primary difference is that this function merely sends a single NH instead of |
602 | * all the nexthops. | |
b9df2d25 | 603 | */ |
718e3744 | 604 | int |
9c6060d4 | 605 | zsend_redistribute_route (int add, struct zserv *client, struct prefix *p, |
05737783 | 606 | struct prefix *src_p, struct rib *rib) |
718e3744 | 607 | { |
9c6060d4 RW |
608 | afi_t afi; |
609 | int cmd; | |
718e3744 | 610 | int psize; |
611 | struct stream *s; | |
612 | struct nexthop *nexthop; | |
1dcb5172 | 613 | unsigned long nhnummark = 0, messmark = 0; |
b9df2d25 | 614 | int nhnum = 0; |
1dcb5172 | 615 | u_char zapi_flags = 0; |
5048fe14 | 616 | struct nexthop dummy_nh; |
617 | ||
9c6060d4 RW |
618 | afi = family2afi (p->family); |
619 | if (add) | |
620 | { | |
621 | switch (afi) | |
622 | { | |
623 | case AFI_IP: | |
624 | cmd = ZEBRA_REDISTRIBUTE_IPV4_ADD; | |
625 | client->redist_v4_add_cnt++; | |
626 | break; | |
627 | case AFI_IP6: | |
628 | cmd = ZEBRA_REDISTRIBUTE_IPV6_ADD; | |
629 | client->redist_v6_add_cnt++; | |
630 | break; | |
631 | default: | |
632 | return -1; | |
633 | } | |
634 | } | |
635 | else | |
636 | { | |
637 | switch (afi) | |
638 | { | |
639 | case AFI_IP: | |
640 | cmd = ZEBRA_REDISTRIBUTE_IPV4_DEL; | |
641 | client->redist_v4_del_cnt++; | |
642 | break; | |
643 | case AFI_IP6: | |
644 | cmd = ZEBRA_REDISTRIBUTE_IPV6_DEL; | |
645 | client->redist_v6_del_cnt++; | |
646 | break; | |
647 | default: | |
648 | return -1; | |
649 | } | |
650 | } | |
7076bb2f | 651 | |
718e3744 | 652 | s = client->obuf; |
653 | stream_reset (s); | |
5048fe14 | 654 | memset(&dummy_nh, 0, sizeof(struct nexthop)); |
655 | ||
7076bb2f FL |
656 | zserv_create_header (s, cmd, rib->vrf_id); |
657 | ||
c1b9800a | 658 | /* Put type and nexthop. */ |
718e3744 | 659 | stream_putc (s, rib->type); |
7c8ff89e | 660 | stream_putw (s, rib->instance); |
0fc452dc | 661 | stream_putl (s, rib->flags); |
5048fe14 | 662 | |
1dcb5172 | 663 | /* marker for message flags field */ |
664 | messmark = stream_get_endp (s); | |
665 | stream_putc (s, 0); | |
718e3744 | 666 | |
667 | /* Prefix. */ | |
668 | psize = PSIZE (p->prefixlen); | |
669 | stream_putc (s, p->prefixlen); | |
b9df2d25 | 670 | stream_write (s, (u_char *) & p->u.prefix, psize); |
671 | ||
05737783 CF |
672 | if (src_p) |
673 | { | |
674 | SET_FLAG (zapi_flags, ZAPI_MESSAGE_SRCPFX); | |
675 | psize = PSIZE (src_p->prefixlen); | |
676 | stream_putc (s, src_p->prefixlen); | |
677 | stream_write (s, (u_char *) & src_p->u.prefix, psize); | |
678 | } | |
679 | ||
718e3744 | 680 | for (nexthop = rib->nexthop; nexthop; nexthop = nexthop->next) |
681 | { | |
5048fe14 | 682 | /* We don't send any nexthops when there's a multipath */ |
eac6e3f0 | 683 | if (rib->nexthop_active_num > 1 && client->proto != ZEBRA_ROUTE_LDP) |
5048fe14 | 684 | { |
685 | SET_FLAG (zapi_flags, ZAPI_MESSAGE_NEXTHOP); | |
686 | SET_FLAG (zapi_flags, ZAPI_MESSAGE_IFINDEX); | |
687 | ||
688 | stream_putc(s, 1); | |
689 | if (p->family == AF_INET) | |
690 | { | |
691 | stream_put_in_addr (s, &dummy_nh.gate.ipv4); | |
692 | } | |
693 | else if (p->family == AF_INET6) | |
694 | { | |
695 | stream_write (s, (u_char *) &dummy_nh.gate.ipv6, 16); | |
696 | } | |
697 | else | |
698 | { | |
699 | /* We don't handle anything else now, abort */ | |
700 | zlog_err("%s: Unable to redistribute route of unknown family, %d\n", | |
701 | __func__, p->family); | |
702 | return -1; | |
703 | } | |
704 | stream_putc (s, 1); | |
705 | stream_putl (s, 0); /* dummy ifindex */ | |
706 | break; | |
707 | } | |
708 | ||
446bb95e | 709 | if (CHECK_FLAG(nexthop->flags, NEXTHOP_FLAG_ACTIVE)) |
b9df2d25 | 710 | { |
1dcb5172 | 711 | SET_FLAG (zapi_flags, ZAPI_MESSAGE_NEXTHOP); |
712 | SET_FLAG (zapi_flags, ZAPI_MESSAGE_IFINDEX); | |
1dcb5172 | 713 | if (nhnummark == 0) |
714 | { | |
715 | nhnummark = stream_get_endp (s); | |
716 | stream_putc (s, 1); /* placeholder */ | |
717 | } | |
b9df2d25 | 718 | nhnum++; |
719 | ||
720 | switch(nexthop->type) | |
721 | { | |
722 | case NEXTHOP_TYPE_IPV4: | |
723 | case NEXTHOP_TYPE_IPV4_IFINDEX: | |
724 | stream_put_in_addr (s, &nexthop->gate.ipv4); | |
725 | break; | |
b9df2d25 | 726 | case NEXTHOP_TYPE_IPV6: |
727 | case NEXTHOP_TYPE_IPV6_IFINDEX: | |
5048fe14 | 728 | /* Only BGP supports IPv4 prefix with IPv6 NH, so kill this */ |
729 | if (p->family == AF_INET) | |
730 | stream_put_in_addr(s, &dummy_nh.gate.ipv4); | |
731 | else | |
732 | stream_write (s, (u_char *) &nexthop->gate.ipv6, 16); | |
b9df2d25 | 733 | break; |
b9df2d25 | 734 | default: |
5048fe14 | 735 | if (cmd == ZEBRA_REDISTRIBUTE_IPV4_ADD |
736 | || cmd == ZEBRA_REDISTRIBUTE_IPV4_DEL) | |
b9df2d25 | 737 | { |
738 | struct in_addr empty; | |
44983cf8 | 739 | memset (&empty, 0, sizeof (struct in_addr)); |
b9df2d25 | 740 | stream_write (s, (u_char *) &empty, IPV4_MAX_BYTELEN); |
741 | } | |
742 | else | |
743 | { | |
744 | struct in6_addr empty; | |
745 | memset (&empty, 0, sizeof (struct in6_addr)); | |
746 | stream_write (s, (u_char *) &empty, IPV6_MAX_BYTELEN); | |
747 | } | |
748 | } | |
749 | ||
750 | /* Interface index. */ | |
751 | stream_putc (s, 1); | |
752 | stream_putl (s, nexthop->ifindex); | |
753 | ||
eac6e3f0 RW |
754 | /* ldpd needs all nexthops */ |
755 | if (client->proto != ZEBRA_ROUTE_LDP) | |
a16d0e7b | 756 | break; |
b9df2d25 | 757 | } |
718e3744 | 758 | } |
759 | ||
7fe041ac | 760 | /* Distance */ |
a16d0e7b RW |
761 | SET_FLAG (zapi_flags, ZAPI_MESSAGE_DISTANCE); |
762 | stream_putc (s, rib->distance); | |
7fe041ac | 763 | |
718e3744 | 764 | /* Metric */ |
a16d0e7b RW |
765 | SET_FLAG (zapi_flags, ZAPI_MESSAGE_METRIC); |
766 | stream_putl (s, rib->metric); | |
0d9551dc | 767 | |
7fe041ac | 768 | /* Tag */ |
a16d0e7b RW |
769 | if (rib->tag) |
770 | { | |
771 | SET_FLAG(zapi_flags, ZAPI_MESSAGE_TAG); | |
dc9ffce8 | 772 | stream_putl(s, rib->tag); |
a16d0e7b | 773 | } |
5048fe14 | 774 | |
7fe041ac | 775 | /* MTU */ |
a16d0e7b RW |
776 | SET_FLAG (zapi_flags, ZAPI_MESSAGE_MTU); |
777 | stream_putl (s, rib->mtu); | |
5048fe14 | 778 | |
1dcb5172 | 779 | /* write real message flags value */ |
780 | stream_putc_at (s, messmark, zapi_flags); | |
5048fe14 | 781 | |
b9df2d25 | 782 | /* Write next-hop number */ |
783 | if (nhnummark) | |
c1eaa442 | 784 | stream_putc_at (s, nhnummark, nhnum); |
5048fe14 | 785 | |
718e3744 | 786 | /* Write packet size. */ |
787 | stream_putw_at (s, 0, stream_get_endp (s)); | |
788 | ||
719e9741 | 789 | return zebra_server_send_message(client); |
718e3744 | 790 | } |
791 | ||
10fbd59a DS |
792 | static int |
793 | zsend_write_nexthop (struct stream *s, struct nexthop *nexthop) | |
794 | { | |
795 | stream_putc (s, nexthop->type); | |
796 | switch (nexthop->type) | |
797 | { | |
798 | case NEXTHOP_TYPE_IPV4: | |
10fbd59a DS |
799 | case NEXTHOP_TYPE_IPV4_IFINDEX: |
800 | stream_put_in_addr (s, &nexthop->gate.ipv4); | |
801 | stream_putl (s, nexthop->ifindex); | |
802 | break; | |
803 | case NEXTHOP_TYPE_IPV6: | |
804 | stream_put (s, &nexthop->gate.ipv6, 16); | |
805 | break; | |
806 | case NEXTHOP_TYPE_IPV6_IFINDEX: | |
807 | stream_put (s, &nexthop->gate.ipv6, 16); | |
808 | stream_putl (s, nexthop->ifindex); | |
809 | break; | |
810 | case NEXTHOP_TYPE_IFINDEX: | |
811 | stream_putl (s, nexthop->ifindex); | |
812 | break; | |
813 | default: | |
814 | /* do nothing */ | |
815 | break; | |
816 | } | |
817 | return 1; | |
818 | } | |
819 | ||
fb018d25 DS |
820 | /* Nexthop register */ |
821 | static int | |
078430f6 | 822 | zserv_rnh_register (struct zserv *client, int sock, u_short length, |
d651649e | 823 | rnh_type_t type, struct zebra_vrf *zvrf) |
fb018d25 DS |
824 | { |
825 | struct rnh *rnh; | |
826 | struct stream *s; | |
827 | struct prefix p; | |
828 | u_short l = 0; | |
078430f6 | 829 | u_char flags = 0; |
fb018d25 DS |
830 | |
831 | if (IS_ZEBRA_DEBUG_NHT) | |
078430f6 DS |
832 | zlog_debug("rnh_register msg from client %s: length=%d, type=%s\n", |
833 | zebra_route_string(client->proto), length, | |
834 | (type == RNH_NEXTHOP_TYPE) ? "nexthop" : "route"); | |
fb018d25 DS |
835 | |
836 | s = client->ibuf; | |
837 | ||
cf672a86 | 838 | client->nh_reg_time = monotime(NULL); |
078430f6 | 839 | |
fb018d25 DS |
840 | while (l < length) |
841 | { | |
078430f6 | 842 | flags = stream_getc(s); |
fb018d25 DS |
843 | p.family = stream_getw(s); |
844 | p.prefixlen = stream_getc(s); | |
fc9a856f | 845 | l += 4; |
078430f6 DS |
846 | if (p.family == AF_INET) |
847 | { | |
848 | p.u.prefix4.s_addr = stream_get_ipv4(s); | |
849 | l += IPV4_MAX_BYTELEN; | |
850 | } | |
851 | else if (p.family == AF_INET6) | |
852 | { | |
853 | stream_get(&p.u.prefix6, s, IPV6_MAX_BYTELEN); | |
854 | l += IPV6_MAX_BYTELEN; | |
855 | } | |
856 | else | |
857 | { | |
858 | zlog_err("rnh_register: Received unknown family type %d\n", | |
859 | p.family); | |
860 | return -1; | |
861 | } | |
661512bf | 862 | rnh = zebra_add_rnh(&p, zvrf_id (zvrf), type); |
078430f6 DS |
863 | if (type == RNH_NEXTHOP_TYPE) |
864 | { | |
865 | if (flags && !CHECK_FLAG(rnh->flags, ZEBRA_NHT_CONNECTED)) | |
866 | SET_FLAG(rnh->flags, ZEBRA_NHT_CONNECTED); | |
867 | else if (!flags && CHECK_FLAG(rnh->flags, ZEBRA_NHT_CONNECTED)) | |
868 | UNSET_FLAG(rnh->flags, ZEBRA_NHT_CONNECTED); | |
869 | } | |
870 | else if (type == RNH_IMPORT_CHECK_TYPE) | |
871 | { | |
872 | if (flags && !CHECK_FLAG(rnh->flags, ZEBRA_NHT_EXACT_MATCH)) | |
873 | SET_FLAG(rnh->flags, ZEBRA_NHT_EXACT_MATCH); | |
874 | else if (!flags && CHECK_FLAG(rnh->flags, ZEBRA_NHT_EXACT_MATCH)) | |
875 | UNSET_FLAG(rnh->flags, ZEBRA_NHT_EXACT_MATCH); | |
876 | } | |
877 | ||
661512bf | 878 | zebra_add_rnh_client(rnh, client, type, zvrf_id (zvrf)); |
078430f6 | 879 | /* Anything not AF_INET/INET6 has been filtered out above */ |
661512bf | 880 | zebra_evaluate_rnh(zvrf_id (zvrf), p.family, 1, type, &p); |
fb018d25 | 881 | } |
fb018d25 DS |
882 | return 0; |
883 | } | |
884 | ||
885 | /* Nexthop register */ | |
886 | static int | |
078430f6 | 887 | zserv_rnh_unregister (struct zserv *client, int sock, u_short length, |
d651649e | 888 | rnh_type_t type, struct zebra_vrf *zvrf) |
fb018d25 DS |
889 | { |
890 | struct rnh *rnh; | |
891 | struct stream *s; | |
892 | struct prefix p; | |
893 | u_short l = 0; | |
894 | ||
895 | if (IS_ZEBRA_DEBUG_NHT) | |
078430f6 | 896 | zlog_debug("rnh_unregister msg from client %s: length=%d\n", |
fb018d25 DS |
897 | zebra_route_string(client->proto), length); |
898 | ||
899 | s = client->ibuf; | |
900 | ||
901 | while (l < length) | |
902 | { | |
4e3afb14 | 903 | (void)stream_getc(s); //Connected or not. Not used in this function |
fb018d25 DS |
904 | p.family = stream_getw(s); |
905 | p.prefixlen = stream_getc(s); | |
fc9a856f | 906 | l += 4; |
078430f6 DS |
907 | if (p.family == AF_INET) |
908 | { | |
909 | p.u.prefix4.s_addr = stream_get_ipv4(s); | |
910 | l += IPV4_MAX_BYTELEN; | |
911 | } | |
912 | else if (p.family == AF_INET6) | |
913 | { | |
914 | stream_get(&p.u.prefix6, s, IPV6_MAX_BYTELEN); | |
915 | l += IPV6_MAX_BYTELEN; | |
916 | } | |
917 | else | |
918 | { | |
919 | zlog_err("rnh_register: Received unknown family type %d\n", | |
920 | p.family); | |
921 | return -1; | |
922 | } | |
661512bf | 923 | rnh = zebra_lookup_rnh(&p, zvrf_id (zvrf), type); |
fb018d25 | 924 | if (rnh) |
04b02fda | 925 | { |
cf672a86 | 926 | client->nh_dereg_time = monotime(NULL); |
078430f6 | 927 | zebra_remove_rnh_client(rnh, client, type); |
04b02fda | 928 | } |
fb018d25 DS |
929 | } |
930 | return 0; | |
931 | } | |
932 | ||
6f61a5a3 EM |
933 | /* |
934 | Modified version of zsend_ipv4_nexthop_lookup(): | |
935 | Query unicast rib if nexthop is not found on mrib. | |
936 | Returns both route metric and protocol distance. | |
937 | */ | |
938 | static int | |
4623d897 | 939 | zsend_ipv4_nexthop_lookup_mrib (struct zserv *client, struct in_addr addr, struct rib *rib, struct zebra_vrf *zvrf) |
6f61a5a3 EM |
940 | { |
941 | struct stream *s; | |
6f61a5a3 EM |
942 | unsigned long nump; |
943 | u_char num; | |
944 | struct nexthop *nexthop; | |
945 | ||
6f61a5a3 EM |
946 | /* Get output stream. */ |
947 | s = client->obuf; | |
948 | stream_reset (s); | |
949 | ||
950 | /* Fill in result. */ | |
661512bf | 951 | zserv_create_header (s, ZEBRA_IPV4_NEXTHOP_LOOKUP_MRIB, zvrf_id (zvrf)); |
6f61a5a3 EM |
952 | stream_put_in_addr (s, &addr); |
953 | ||
954 | if (rib) | |
955 | { | |
956 | stream_putc (s, rib->distance); | |
957 | stream_putl (s, rib->metric); | |
958 | num = 0; | |
959 | nump = stream_get_endp(s); /* remember position for nexthop_num */ | |
960 | stream_putc (s, 0); /* reserve room for nexthop_num */ | |
961 | /* Only non-recursive routes are elegible to resolve the nexthop we | |
962 | * are looking up. Therefore, we will just iterate over the top | |
963 | * chain of nexthops. */ | |
964 | for (nexthop = rib->nexthop; nexthop; nexthop = nexthop->next) | |
446bb95e | 965 | if (CHECK_FLAG (nexthop->flags, NEXTHOP_FLAG_ACTIVE)) |
10fbd59a | 966 | num += zsend_write_nexthop (s, nexthop); |
6f61a5a3 EM |
967 | |
968 | stream_putc_at (s, nump, num); /* store nexthop_num */ | |
969 | } | |
970 | else | |
971 | { | |
972 | stream_putc (s, 0); /* distance */ | |
973 | stream_putl (s, 0); /* metric */ | |
974 | stream_putc (s, 0); /* nexthop_num */ | |
975 | } | |
976 | ||
977 | stream_putw_at (s, 0, stream_get_endp (s)); | |
978 | ||
979 | return zebra_server_send_message(client); | |
980 | } | |
981 | ||
18a6dce6 | 982 | /* Router-id is updated. Send ZEBRA_ROUTER_ID_ADD to client. */ |
983 | int | |
c6ffe645 FL |
984 | zsend_router_id_update (struct zserv *client, struct prefix *p, |
985 | vrf_id_t vrf_id) | |
18a6dce6 | 986 | { |
987 | struct stream *s; | |
988 | int blen; | |
989 | ||
990 | /* Check this client need interface information. */ | |
7076bb2f | 991 | if (! vrf_bitmap_check (client->ridinfo, vrf_id)) |
719e9741 | 992 | return 0; |
18a6dce6 | 993 | |
994 | s = client->obuf; | |
995 | stream_reset (s); | |
996 | ||
18a6dce6 | 997 | /* Message type. */ |
7076bb2f | 998 | zserv_create_header (s, ZEBRA_ROUTER_ID_UPDATE, vrf_id); |
18a6dce6 | 999 | |
1000 | /* Prefix information. */ | |
1001 | stream_putc (s, p->family); | |
1002 | blen = prefix_blen (p); | |
1003 | stream_put (s, &p->u.prefix, blen); | |
1004 | stream_putc (s, p->prefixlen); | |
1005 | ||
1006 | /* Write packet size. */ | |
1007 | stream_putw_at (s, 0, stream_get_endp (s)); | |
1008 | ||
719e9741 | 1009 | return zebra_server_send_message(client); |
18a6dce6 | 1010 | } |
6b0655a2 | 1011 | |
718e3744 | 1012 | /* Register zebra server interface information. Send current all |
1013 | interface and address information. */ | |
719e9741 | 1014 | static int |
d651649e | 1015 | zread_interface_add (struct zserv *client, u_short length, struct zebra_vrf *zvrf) |
718e3744 | 1016 | { |
1a1a7065 | 1017 | struct vrf *vrf; |
1eb8ef25 | 1018 | struct listnode *ifnode, *ifnnode; |
718e3744 | 1019 | struct interface *ifp; |
718e3744 | 1020 | |
1021 | /* Interface information is needed. */ | |
661512bf | 1022 | vrf_bitmap_set (client->ifinfo, zvrf_id (zvrf)); |
718e3744 | 1023 | |
1a1a7065 | 1024 | RB_FOREACH (vrf, vrf_id_head, &vrfs_by_id) |
718e3744 | 1025 | { |
1a1a7065 | 1026 | for (ALL_LIST_ELEMENTS (vrf->iflist, ifnode, ifnnode, ifp)) |
4fe51714 DS |
1027 | { |
1028 | /* Skip pseudo interface. */ | |
1029 | if (! CHECK_FLAG (ifp->status, ZEBRA_INTERFACE_ACTIVE)) | |
1030 | continue; | |
718e3744 | 1031 | |
4fe51714 DS |
1032 | if (zsend_interface_add (client, ifp) < 0) |
1033 | return -1; | |
718e3744 | 1034 | |
4fe51714 DS |
1035 | if (zsend_interface_addresses (client, ifp) < 0) |
1036 | return -1; | |
1037 | } | |
718e3744 | 1038 | } |
719e9741 | 1039 | return 0; |
718e3744 | 1040 | } |
1041 | ||
1042 | /* Unregister zebra server interface information. */ | |
719e9741 | 1043 | static int |
d651649e | 1044 | zread_interface_delete (struct zserv *client, u_short length, struct zebra_vrf *zvrf) |
718e3744 | 1045 | { |
661512bf | 1046 | vrf_bitmap_unset (client->ifinfo, zvrf_id (zvrf)); |
719e9741 | 1047 | return 0; |
718e3744 | 1048 | } |
1049 | ||
6878b9db | 1050 | void |
4f87aceb | 1051 | zserv_nexthop_num_warn (const char *caller, const struct prefix *p, const unsigned int nexthop_num) |
6878b9db | 1052 | { |
37fe7731 | 1053 | if (nexthop_num > multipath_num) |
6878b9db | 1054 | { |
4690c7d7 DS |
1055 | char buff[PREFIX2STR_BUFFER]; |
1056 | prefix2str(p, buff, sizeof (buff)); | |
6878b9db | 1057 | zlog_warn("%s: Prefix %s has %d nexthops, but we can only use the first %d", |
37fe7731 | 1058 | caller, buff, nexthop_num, multipath_num); |
6878b9db DS |
1059 | } |
1060 | } | |
1061 | ||
718e3744 | 1062 | /* This function support multiple nexthop. */ |
b9df2d25 | 1063 | /* |
1064 | * Parse the ZEBRA_IPV4_ROUTE_ADD sent from client. Update rib and | |
1065 | * add kernel route. | |
1066 | */ | |
719e9741 | 1067 | static int |
d651649e | 1068 | zread_ipv4_add (struct zserv *client, u_short length, struct zebra_vrf *zvrf) |
718e3744 | 1069 | { |
1070 | int i; | |
1071 | struct rib *rib; | |
b4c034b0 | 1072 | struct prefix p; |
718e3744 | 1073 | u_char message; |
1074 | struct in_addr nexthop; | |
1075 | u_char nexthop_num; | |
1076 | u_char nexthop_type; | |
1077 | struct stream *s; | |
b892f1dd | 1078 | ifindex_t ifindex; |
d44ca835 | 1079 | safi_t safi; |
04b02fda | 1080 | int ret; |
718e3744 | 1081 | |
1082 | /* Get input stream. */ | |
1083 | s = client->ibuf; | |
1084 | ||
1085 | /* Allocate new rib. */ | |
4d38fdb4 | 1086 | rib = XCALLOC (MTYPE_RIB, sizeof (struct rib)); |
1087 | ||
718e3744 | 1088 | /* Type, flags, message. */ |
1089 | rib->type = stream_getc (s); | |
7c8ff89e | 1090 | rib->instance = stream_getw (s); |
0fc452dc | 1091 | rib->flags = stream_getl (s); |
b9df2d25 | 1092 | message = stream_getc (s); |
cddf391b | 1093 | safi = stream_getw (s); |
718e3744 | 1094 | rib->uptime = time (NULL); |
1095 | ||
1096 | /* IPv4 prefix. */ | |
1097 | memset (&p, 0, sizeof (struct prefix_ipv4)); | |
1098 | p.family = AF_INET; | |
1099 | p.prefixlen = stream_getc (s); | |
b4c034b0 | 1100 | stream_get (&p.u.prefix4, s, PSIZE (p.prefixlen)); |
718e3744 | 1101 | |
78104b9b | 1102 | /* VRF ID */ |
661512bf | 1103 | rib->vrf_id = zvrf_id (zvrf); |
78104b9b | 1104 | |
718e3744 | 1105 | /* Nexthop parse. */ |
1106 | if (CHECK_FLAG (message, ZAPI_MESSAGE_NEXTHOP)) | |
1107 | { | |
1108 | nexthop_num = stream_getc (s); | |
6878b9db | 1109 | zserv_nexthop_num_warn(__func__, (const struct prefix *)&p, nexthop_num); |
718e3744 | 1110 | |
1111 | for (i = 0; i < nexthop_num; i++) | |
1112 | { | |
1113 | nexthop_type = stream_getc (s); | |
1114 | ||
1115 | switch (nexthop_type) | |
1116 | { | |
5b30316e | 1117 | case NEXTHOP_TYPE_IFINDEX: |
718e3744 | 1118 | ifindex = stream_getl (s); |
a399694f | 1119 | rib_nexthop_ifindex_add (rib, ifindex); |
718e3744 | 1120 | break; |
5b30316e | 1121 | case NEXTHOP_TYPE_IPV4: |
718e3744 | 1122 | nexthop.s_addr = stream_get_ipv4 (s); |
a399694f | 1123 | rib_nexthop_ipv4_add (rib, &nexthop, NULL); |
718e3744 | 1124 | break; |
5b30316e | 1125 | case NEXTHOP_TYPE_IPV4_IFINDEX: |
c963c203 JT |
1126 | nexthop.s_addr = stream_get_ipv4 (s); |
1127 | ifindex = stream_getl (s); | |
a399694f | 1128 | rib_nexthop_ipv4_ifindex_add (rib, &nexthop, NULL, ifindex); |
c963c203 | 1129 | break; |
5b30316e | 1130 | case NEXTHOP_TYPE_IPV6: |
9985f83c | 1131 | stream_forward_getp (s, IPV6_MAX_BYTELEN); |
718e3744 | 1132 | break; |
5b30316e | 1133 | case NEXTHOP_TYPE_BLACKHOLE: |
a399694f | 1134 | rib_nexthop_blackhole_add (rib); |
6902c69a SV |
1135 | break; |
1136 | } | |
718e3744 | 1137 | } |
1138 | } | |
1139 | ||
1140 | /* Distance. */ | |
1141 | if (CHECK_FLAG (message, ZAPI_MESSAGE_DISTANCE)) | |
1142 | rib->distance = stream_getc (s); | |
1143 | ||
1144 | /* Metric. */ | |
1145 | if (CHECK_FLAG (message, ZAPI_MESSAGE_METRIC)) | |
1146 | rib->metric = stream_getl (s); | |
1147 | ||
0d9551dc DS |
1148 | /* Tag */ |
1149 | if (CHECK_FLAG (message, ZAPI_MESSAGE_TAG)) | |
dc9ffce8 | 1150 | rib->tag = stream_getl (s); |
0d9551dc DS |
1151 | else |
1152 | rib->tag = 0; | |
1153 | ||
c50ca33a TT |
1154 | if (CHECK_FLAG (message, ZAPI_MESSAGE_MTU)) |
1155 | rib->mtu = stream_getl (s); | |
1156 | else | |
1157 | rib->mtu = 0; | |
1158 | ||
171eee31 | 1159 | /* Table */ |
d651649e | 1160 | rib->table = zvrf->table_id; |
12f6fb97 | 1161 | |
3c7c91d0 | 1162 | ret = rib_add_multipath (AFI_IP, safi, &p, NULL, rib); |
04b02fda DS |
1163 | |
1164 | /* Stats */ | |
1165 | if (ret > 0) | |
1166 | client->v4_route_add_cnt++; | |
1167 | else if (ret < 0) | |
1168 | client->v4_route_upd8_cnt++; | |
719e9741 | 1169 | return 0; |
718e3744 | 1170 | } |
1171 | ||
1172 | /* Zebra server IPv4 prefix delete function. */ | |
719e9741 | 1173 | static int |
d651649e | 1174 | zread_ipv4_delete (struct zserv *client, u_short length, struct zebra_vrf *zvrf) |
718e3744 | 1175 | { |
1176 | int i; | |
1177 | struct stream *s; | |
1178 | struct zapi_ipv4 api; | |
616368ed DS |
1179 | struct in_addr nexthop; |
1180 | union g_addr *nexthop_p; | |
718e3744 | 1181 | unsigned long ifindex; |
616368ed | 1182 | struct prefix p; |
718e3744 | 1183 | u_char nexthop_num; |
1184 | u_char nexthop_type; | |
12f6fb97 | 1185 | u_int32_t table_id; |
12f6fb97 | 1186 | |
718e3744 | 1187 | s = client->ibuf; |
1188 | ifindex = 0; | |
1189 | nexthop.s_addr = 0; | |
6902c69a | 1190 | nexthop_p = NULL; |
718e3744 | 1191 | |
1192 | /* Type, flags, message. */ | |
1193 | api.type = stream_getc (s); | |
7c8ff89e | 1194 | api.instance = stream_getw (s); |
0fc452dc | 1195 | api.flags = stream_getl (s); |
718e3744 | 1196 | api.message = stream_getc (s); |
cddf391b | 1197 | api.safi = stream_getw (s); |
718e3744 | 1198 | |
1199 | /* IPv4 prefix. */ | |
4fdeb6b0 | 1200 | memset (&p, 0, sizeof (struct prefix)); |
718e3744 | 1201 | p.family = AF_INET; |
1202 | p.prefixlen = stream_getc (s); | |
616368ed | 1203 | stream_get (&p.u.prefix4, s, PSIZE (p.prefixlen)); |
718e3744 | 1204 | |
1205 | /* Nexthop, ifindex, distance, metric. */ | |
1206 | if (CHECK_FLAG (api.message, ZAPI_MESSAGE_NEXTHOP)) | |
1207 | { | |
1208 | nexthop_num = stream_getc (s); | |
1209 | ||
1210 | for (i = 0; i < nexthop_num; i++) | |
1211 | { | |
1212 | nexthop_type = stream_getc (s); | |
1213 | ||
1214 | switch (nexthop_type) | |
1215 | { | |
5b30316e | 1216 | case NEXTHOP_TYPE_IFINDEX: |
718e3744 | 1217 | ifindex = stream_getl (s); |
1218 | break; | |
5b30316e | 1219 | case NEXTHOP_TYPE_IPV4: |
718e3744 | 1220 | nexthop.s_addr = stream_get_ipv4 (s); |
616368ed | 1221 | nexthop_p = (union g_addr *)&nexthop; |
718e3744 | 1222 | break; |
5b30316e | 1223 | case NEXTHOP_TYPE_IPV4_IFINDEX: |
c963c203 | 1224 | nexthop.s_addr = stream_get_ipv4 (s); |
616368ed | 1225 | nexthop_p = (union g_addr *)&nexthop; |
c963c203 JT |
1226 | ifindex = stream_getl (s); |
1227 | break; | |
5b30316e | 1228 | case NEXTHOP_TYPE_IPV6: |
9985f83c | 1229 | stream_forward_getp (s, IPV6_MAX_BYTELEN); |
718e3744 | 1230 | break; |
1231 | } | |
1232 | } | |
1233 | } | |
1234 | ||
1235 | /* Distance. */ | |
1236 | if (CHECK_FLAG (api.message, ZAPI_MESSAGE_DISTANCE)) | |
1237 | api.distance = stream_getc (s); | |
1238 | else | |
1239 | api.distance = 0; | |
1240 | ||
1241 | /* Metric. */ | |
1242 | if (CHECK_FLAG (api.message, ZAPI_MESSAGE_METRIC)) | |
1243 | api.metric = stream_getl (s); | |
1244 | else | |
1245 | api.metric = 0; | |
1246 | ||
0d9551dc DS |
1247 | /* tag */ |
1248 | if (CHECK_FLAG (api.message, ZAPI_MESSAGE_TAG)) | |
dc9ffce8 | 1249 | api.tag = stream_getl (s); |
0d9551dc DS |
1250 | else |
1251 | api.tag = 0; | |
1252 | ||
d651649e | 1253 | table_id = zvrf->table_id; |
12f6fb97 | 1254 | |
661512bf | 1255 | rib_delete (AFI_IP, api.safi, zvrf_id (zvrf), api.type, api.instance, |
3c7c91d0 | 1256 | api.flags, &p, NULL, nexthop_p, ifindex, table_id); |
04b02fda | 1257 | client->v4_route_del_cnt++; |
719e9741 | 1258 | return 0; |
718e3744 | 1259 | } |
1260 | ||
6f61a5a3 EM |
1261 | /* MRIB Nexthop lookup for IPv4. */ |
1262 | static int | |
1263 | zread_ipv4_nexthop_lookup_mrib (struct zserv *client, u_short length, struct zebra_vrf *zvrf) | |
1264 | { | |
1265 | struct in_addr addr; | |
4623d897 | 1266 | struct rib *rib; |
6f61a5a3 EM |
1267 | |
1268 | addr.s_addr = stream_get_ipv4 (client->ibuf); | |
661512bf | 1269 | rib = rib_match_ipv4_multicast (zvrf_id (zvrf), addr, NULL); |
4623d897 | 1270 | return zsend_ipv4_nexthop_lookup_mrib (client, addr, rib, zvrf); |
6f61a5a3 EM |
1271 | } |
1272 | ||
8a92a8a0 DS |
1273 | /* Zebra server IPv6 prefix add function. */ |
1274 | static int | |
d651649e | 1275 | zread_ipv4_route_ipv6_nexthop_add (struct zserv *client, u_short length, struct zebra_vrf *zvrf) |
8a92a8a0 | 1276 | { |
37fe7731 | 1277 | unsigned int i; |
8a92a8a0 DS |
1278 | struct stream *s; |
1279 | struct in6_addr nexthop; | |
1280 | struct rib *rib; | |
1281 | u_char message; | |
1282 | u_char nexthop_num; | |
1283 | u_char nexthop_type; | |
b4c034b0 | 1284 | struct prefix p; |
8a92a8a0 DS |
1285 | safi_t safi; |
1286 | static struct in6_addr nexthops[MULTIPATH_NUM]; | |
1287 | static unsigned int ifindices[MULTIPATH_NUM]; | |
1288 | int ret; | |
1289 | ||
1290 | /* Get input stream. */ | |
1291 | s = client->ibuf; | |
1292 | ||
8a92a8a0 DS |
1293 | memset (&nexthop, 0, sizeof (struct in6_addr)); |
1294 | ||
1295 | /* Allocate new rib. */ | |
1296 | rib = XCALLOC (MTYPE_RIB, sizeof (struct rib)); | |
1297 | ||
1298 | /* Type, flags, message. */ | |
1299 | rib->type = stream_getc (s); | |
1300 | rib->instance = stream_getw (s); | |
0fc452dc | 1301 | rib->flags = stream_getl (s); |
8a92a8a0 DS |
1302 | message = stream_getc (s); |
1303 | safi = stream_getw (s); | |
1304 | rib->uptime = time (NULL); | |
1305 | ||
1306 | /* IPv4 prefix. */ | |
1307 | memset (&p, 0, sizeof (struct prefix_ipv4)); | |
1308 | p.family = AF_INET; | |
1309 | p.prefixlen = stream_getc (s); | |
b4c034b0 | 1310 | stream_get (&p.u.prefix4, s, PSIZE (p.prefixlen)); |
8a92a8a0 | 1311 | |
154caaed | 1312 | /* VRF ID */ |
661512bf | 1313 | rib->vrf_id = zvrf_id (zvrf); |
154caaed | 1314 | |
8a92a8a0 DS |
1315 | /* We need to give nh-addr, nh-ifindex with the same next-hop object |
1316 | * to the rib to ensure that IPv6 multipathing works; need to coalesce | |
1317 | * these. Clients should send the same number of paired set of | |
1318 | * next-hop-addr/next-hop-ifindices. */ | |
1319 | if (CHECK_FLAG (message, ZAPI_MESSAGE_NEXTHOP)) | |
1320 | { | |
37fe7731 DS |
1321 | unsigned int nh_count = 0; |
1322 | unsigned int if_count = 0; | |
1323 | unsigned int max_nh_if = 0; | |
8a92a8a0 DS |
1324 | |
1325 | nexthop_num = stream_getc (s); | |
6878b9db | 1326 | zserv_nexthop_num_warn(__func__, (const struct prefix *)&p, nexthop_num); |
8a92a8a0 DS |
1327 | for (i = 0; i < nexthop_num; i++) |
1328 | { | |
1329 | nexthop_type = stream_getc (s); | |
1330 | ||
1331 | switch (nexthop_type) | |
1332 | { | |
5b30316e | 1333 | case NEXTHOP_TYPE_IPV6: |
8a92a8a0 | 1334 | stream_get (&nexthop, s, 16); |
37fe7731 | 1335 | if (nh_count < multipath_num) { |
8a92a8a0 DS |
1336 | nexthops[nh_count++] = nexthop; |
1337 | } | |
1338 | break; | |
5b30316e | 1339 | case NEXTHOP_TYPE_IFINDEX: |
37fe7731 | 1340 | if (if_count < multipath_num) { |
8a92a8a0 DS |
1341 | ifindices[if_count++] = stream_getl (s); |
1342 | } | |
1343 | break; | |
5b30316e | 1344 | case NEXTHOP_TYPE_BLACKHOLE: |
a399694f | 1345 | rib_nexthop_blackhole_add (rib); |
8a92a8a0 DS |
1346 | break; |
1347 | } | |
1348 | } | |
1349 | ||
1350 | max_nh_if = (nh_count > if_count) ? nh_count : if_count; | |
1351 | for (i = 0; i < max_nh_if; i++) | |
1352 | { | |
1353 | if ((i < nh_count) && !IN6_IS_ADDR_UNSPECIFIED (&nexthops[i])) { | |
1354 | if ((i < if_count) && ifindices[i]) { | |
a399694f | 1355 | rib_nexthop_ipv6_ifindex_add (rib, &nexthops[i], ifindices[i]); |
8a92a8a0 DS |
1356 | } |
1357 | else { | |
a399694f | 1358 | rib_nexthop_ipv6_add (rib, &nexthops[i]); |
8a92a8a0 DS |
1359 | } |
1360 | } | |
1361 | else { | |
1362 | if ((i < if_count) && ifindices[i]) { | |
a399694f | 1363 | rib_nexthop_ifindex_add (rib, ifindices[i]); |
8a92a8a0 DS |
1364 | } |
1365 | } | |
1366 | } | |
1367 | } | |
1368 | ||
1369 | /* Distance. */ | |
1370 | if (CHECK_FLAG (message, ZAPI_MESSAGE_DISTANCE)) | |
1371 | rib->distance = stream_getc (s); | |
1372 | ||
1373 | /* Metric. */ | |
1374 | if (CHECK_FLAG (message, ZAPI_MESSAGE_METRIC)) | |
1375 | rib->metric = stream_getl (s); | |
1376 | ||
1377 | /* Tag */ | |
1378 | if (CHECK_FLAG (message, ZAPI_MESSAGE_TAG)) | |
dc9ffce8 | 1379 | rib->tag = stream_getl (s); |
8a92a8a0 DS |
1380 | else |
1381 | rib->tag = 0; | |
1382 | ||
c50ca33a TT |
1383 | if (CHECK_FLAG (message, ZAPI_MESSAGE_MTU)) |
1384 | rib->mtu = stream_getl (s); | |
1385 | else | |
1386 | rib->mtu = 0; | |
1387 | ||
8a92a8a0 | 1388 | /* Table */ |
d651649e | 1389 | rib->table = zvrf->table_id; |
12f6fb97 | 1390 | |
3c7c91d0 | 1391 | ret = rib_add_multipath (AFI_IP6, safi, &p, NULL, rib); |
8a92a8a0 DS |
1392 | /* Stats */ |
1393 | if (ret > 0) | |
1394 | client->v4_route_add_cnt++; | |
1395 | else if (ret < 0) | |
1396 | client->v4_route_upd8_cnt++; | |
1397 | ||
1398 | return 0; | |
1399 | } | |
1400 | ||
719e9741 | 1401 | static int |
d651649e | 1402 | zread_ipv6_add (struct zserv *client, u_short length, struct zebra_vrf *zvrf) |
718e3744 | 1403 | { |
37fe7731 | 1404 | unsigned int i; |
718e3744 | 1405 | struct stream *s; |
718e3744 | 1406 | struct in6_addr nexthop; |
41fc2714 DS |
1407 | struct rib *rib; |
1408 | u_char message; | |
1409 | u_char nexthop_num; | |
1410 | u_char nexthop_type; | |
b4c034b0 | 1411 | struct prefix p; |
3c7c91d0 | 1412 | struct prefix_ipv6 src_p, *src_pp; |
41fc2714 DS |
1413 | safi_t safi; |
1414 | static struct in6_addr nexthops[MULTIPATH_NUM]; | |
1415 | static unsigned int ifindices[MULTIPATH_NUM]; | |
04b02fda | 1416 | int ret; |
41fc2714 DS |
1417 | |
1418 | /* Get input stream. */ | |
718e3744 | 1419 | s = client->ibuf; |
41fc2714 | 1420 | |
718e3744 | 1421 | memset (&nexthop, 0, sizeof (struct in6_addr)); |
1422 | ||
41fc2714 DS |
1423 | /* Allocate new rib. */ |
1424 | rib = XCALLOC (MTYPE_RIB, sizeof (struct rib)); | |
1425 | ||
718e3744 | 1426 | /* Type, flags, message. */ |
41fc2714 | 1427 | rib->type = stream_getc (s); |
7c8ff89e | 1428 | rib->instance = stream_getw (s); |
0fc452dc | 1429 | rib->flags = stream_getl (s); |
41fc2714 DS |
1430 | message = stream_getc (s); |
1431 | safi = stream_getw (s); | |
1432 | rib->uptime = time (NULL); | |
718e3744 | 1433 | |
41fc2714 | 1434 | /* IPv6 prefix. */ |
718e3744 | 1435 | memset (&p, 0, sizeof (struct prefix_ipv6)); |
1436 | p.family = AF_INET6; | |
1437 | p.prefixlen = stream_getc (s); | |
b4c034b0 | 1438 | stream_get (&p.u.prefix6, s, PSIZE (p.prefixlen)); |
718e3744 | 1439 | |
3c7c91d0 DL |
1440 | if (CHECK_FLAG (message, ZAPI_MESSAGE_SRCPFX)) |
1441 | { | |
1442 | memset (&src_p, 0, sizeof (struct prefix_ipv6)); | |
1443 | src_p.family = AF_INET6; | |
1444 | src_p.prefixlen = stream_getc (s); | |
1445 | stream_get (&src_p.prefix, s, PSIZE (src_p.prefixlen)); | |
1446 | src_pp = &src_p; | |
1447 | } | |
1448 | else | |
1449 | src_pp = NULL; | |
1450 | ||
41fc2714 DS |
1451 | /* We need to give nh-addr, nh-ifindex with the same next-hop object |
1452 | * to the rib to ensure that IPv6 multipathing works; need to coalesce | |
1453 | * these. Clients should send the same number of paired set of | |
1454 | * next-hop-addr/next-hop-ifindices. */ | |
1455 | if (CHECK_FLAG (message, ZAPI_MESSAGE_NEXTHOP)) | |
718e3744 | 1456 | { |
37fe7731 DS |
1457 | unsigned int nh_count = 0; |
1458 | unsigned int if_count = 0; | |
1459 | unsigned int max_nh_if = 0; | |
718e3744 | 1460 | |
41fc2714 | 1461 | nexthop_num = stream_getc (s); |
6878b9db DS |
1462 | zserv_nexthop_num_warn(__func__, (const struct prefix *)&p, nexthop_num); |
1463 | for (i = 0; i < nexthop_num; i++) | |
718e3744 | 1464 | { |
1465 | nexthop_type = stream_getc (s); | |
1466 | ||
1467 | switch (nexthop_type) | |
1468 | { | |
5b30316e | 1469 | case NEXTHOP_TYPE_IPV6: |
718e3744 | 1470 | stream_get (&nexthop, s, 16); |
37fe7731 | 1471 | if (nh_count < multipath_num) { |
41fc2714 DS |
1472 | nexthops[nh_count++] = nexthop; |
1473 | } | |
718e3744 | 1474 | break; |
5b30316e | 1475 | case NEXTHOP_TYPE_IFINDEX: |
37fe7731 | 1476 | if (if_count < multipath_num) { |
41fc2714 DS |
1477 | ifindices[if_count++] = stream_getl (s); |
1478 | } | |
718e3744 | 1479 | break; |
5b30316e | 1480 | case NEXTHOP_TYPE_BLACKHOLE: |
a399694f | 1481 | rib_nexthop_blackhole_add (rib); |
c3c0ac83 | 1482 | break; |
718e3744 | 1483 | } |
1484 | } | |
41fc2714 DS |
1485 | |
1486 | max_nh_if = (nh_count > if_count) ? nh_count : if_count; | |
1487 | for (i = 0; i < max_nh_if; i++) | |
1488 | { | |
1489 | if ((i < nh_count) && !IN6_IS_ADDR_UNSPECIFIED (&nexthops[i])) { | |
6f20b80d | 1490 | if ((i < if_count) && ifindices[i]) |
a399694f | 1491 | rib_nexthop_ipv6_ifindex_add (rib, &nexthops[i], ifindices[i]); |
6f20b80d | 1492 | else |
a399694f | 1493 | rib_nexthop_ipv6_add (rib, &nexthops[i]); |
41fc2714 DS |
1494 | } |
1495 | else { | |
6f20b80d | 1496 | if ((i < if_count) && ifindices[i]) |
a399694f | 1497 | rib_nexthop_ifindex_add (rib, ifindices[i]); |
41fc2714 DS |
1498 | } |
1499 | } | |
718e3744 | 1500 | } |
1501 | ||
41fc2714 DS |
1502 | /* Distance. */ |
1503 | if (CHECK_FLAG (message, ZAPI_MESSAGE_DISTANCE)) | |
1504 | rib->distance = stream_getc (s); | |
718e3744 | 1505 | |
41fc2714 DS |
1506 | /* Metric. */ |
1507 | if (CHECK_FLAG (message, ZAPI_MESSAGE_METRIC)) | |
1508 | rib->metric = stream_getl (s); | |
718e3744 | 1509 | |
0d9551dc DS |
1510 | /* Tag */ |
1511 | if (CHECK_FLAG (message, ZAPI_MESSAGE_TAG)) | |
dc9ffce8 | 1512 | rib->tag = stream_getl (s); |
0d9551dc DS |
1513 | else |
1514 | rib->tag = 0; | |
c50ca33a TT |
1515 | |
1516 | if (CHECK_FLAG (message, ZAPI_MESSAGE_MTU)) | |
1517 | rib->mtu = stream_getl (s); | |
1518 | else | |
1519 | rib->mtu = 0; | |
0d9551dc | 1520 | |
154caaed | 1521 | /* VRF ID */ |
661512bf | 1522 | rib->vrf_id = zvrf_id (zvrf); |
d651649e | 1523 | rib->table = zvrf->table_id; |
154caaed | 1524 | |
3c7c91d0 | 1525 | ret = rib_add_multipath (AFI_IP6, safi, &p, src_pp, rib); |
04b02fda DS |
1526 | /* Stats */ |
1527 | if (ret > 0) | |
1528 | client->v6_route_add_cnt++; | |
1529 | else if (ret < 0) | |
1530 | client->v6_route_upd8_cnt++; | |
1531 | ||
719e9741 | 1532 | return 0; |
718e3744 | 1533 | } |
1534 | ||
1535 | /* Zebra server IPv6 prefix delete function. */ | |
719e9741 | 1536 | static int |
d651649e | 1537 | zread_ipv6_delete (struct zserv *client, u_short length, struct zebra_vrf *zvrf) |
718e3744 | 1538 | { |
1539 | int i; | |
1540 | struct stream *s; | |
1541 | struct zapi_ipv6 api; | |
1542 | struct in6_addr nexthop; | |
4b2792b5 | 1543 | union g_addr *pnexthop = NULL; |
718e3744 | 1544 | unsigned long ifindex; |
616368ed | 1545 | struct prefix p; |
3c7c91d0 | 1546 | struct prefix_ipv6 src_p, *src_pp; |
718e3744 | 1547 | |
1548 | s = client->ibuf; | |
1549 | ifindex = 0; | |
1550 | memset (&nexthop, 0, sizeof (struct in6_addr)); | |
1551 | ||
1552 | /* Type, flags, message. */ | |
1553 | api.type = stream_getc (s); | |
7c8ff89e | 1554 | api.instance = stream_getw (s); |
0fc452dc | 1555 | api.flags = stream_getl (s); |
718e3744 | 1556 | api.message = stream_getc (s); |
f768f367 | 1557 | api.safi = stream_getw (s); |
718e3744 | 1558 | |
1559 | /* IPv4 prefix. */ | |
1560 | memset (&p, 0, sizeof (struct prefix_ipv6)); | |
1561 | p.family = AF_INET6; | |
1562 | p.prefixlen = stream_getc (s); | |
616368ed | 1563 | stream_get (&p.u.prefix6, s, PSIZE (p.prefixlen)); |
718e3744 | 1564 | |
3c7c91d0 DL |
1565 | if (CHECK_FLAG (api.message, ZAPI_MESSAGE_SRCPFX)) |
1566 | { | |
1567 | memset (&src_p, 0, sizeof (struct prefix_ipv6)); | |
1568 | src_p.family = AF_INET6; | |
1569 | src_p.prefixlen = stream_getc (s); | |
1570 | stream_get (&src_p.prefix, s, PSIZE (src_p.prefixlen)); | |
1571 | src_pp = &src_p; | |
1572 | } | |
1573 | else | |
1574 | src_pp = NULL; | |
1575 | ||
718e3744 | 1576 | /* Nexthop, ifindex, distance, metric. */ |
1577 | if (CHECK_FLAG (api.message, ZAPI_MESSAGE_NEXTHOP)) | |
1578 | { | |
1579 | u_char nexthop_type; | |
1580 | ||
1581 | api.nexthop_num = stream_getc (s); | |
1582 | for (i = 0; i < api.nexthop_num; i++) | |
1583 | { | |
1584 | nexthop_type = stream_getc (s); | |
1585 | ||
1586 | switch (nexthop_type) | |
1587 | { | |
5b30316e | 1588 | case NEXTHOP_TYPE_IPV6: |
718e3744 | 1589 | stream_get (&nexthop, s, 16); |
616368ed | 1590 | pnexthop = (union g_addr *)&nexthop; |
718e3744 | 1591 | break; |
5b30316e | 1592 | case NEXTHOP_TYPE_IFINDEX: |
718e3744 | 1593 | ifindex = stream_getl (s); |
1594 | break; | |
1595 | } | |
1596 | } | |
1597 | } | |
1598 | ||
0d9551dc | 1599 | /* Distance. */ |
718e3744 | 1600 | if (CHECK_FLAG (api.message, ZAPI_MESSAGE_DISTANCE)) |
1601 | api.distance = stream_getc (s); | |
1602 | else | |
1603 | api.distance = 0; | |
0d9551dc DS |
1604 | |
1605 | /* Metric. */ | |
718e3744 | 1606 | if (CHECK_FLAG (api.message, ZAPI_MESSAGE_METRIC)) |
1607 | api.metric = stream_getl (s); | |
1608 | else | |
1609 | api.metric = 0; | |
1610 | ||
0d9551dc DS |
1611 | /* tag */ |
1612 | if (CHECK_FLAG (api.message, ZAPI_MESSAGE_TAG)) | |
dc9ffce8 | 1613 | api.tag = stream_getl (s); |
0d9551dc DS |
1614 | else |
1615 | api.tag = 0; | |
1616 | ||
718e3744 | 1617 | if (IN6_IS_ADDR_UNSPECIFIED (&nexthop)) |
661512bf | 1618 | rib_delete (AFI_IP6, api.safi, zvrf_id (zvrf), api.type, api.instance, |
3c7c91d0 | 1619 | api.flags, &p, src_pp, NULL, ifindex, client->rtm_table); |
718e3744 | 1620 | else |
661512bf | 1621 | rib_delete (AFI_IP6, api.safi, zvrf_id (zvrf), api.type, api.instance, |
3c7c91d0 | 1622 | api.flags, &p, src_pp, pnexthop, ifindex, client->rtm_table); |
04b02fda DS |
1623 | |
1624 | client->v6_route_del_cnt++; | |
719e9741 | 1625 | return 0; |
718e3744 | 1626 | } |
1627 | ||
18a6dce6 | 1628 | /* Register zebra server router-id information. Send current router-id */ |
719e9741 | 1629 | static int |
d651649e | 1630 | zread_router_id_add (struct zserv *client, u_short length, struct zebra_vrf *zvrf) |
18a6dce6 | 1631 | { |
1632 | struct prefix p; | |
1633 | ||
1634 | /* Router-id information is needed. */ | |
661512bf | 1635 | vrf_bitmap_set (client->ridinfo, zvrf_id (zvrf)); |
18a6dce6 | 1636 | |
661512bf | 1637 | router_id_get (&p, zvrf_id (zvrf)); |
18a6dce6 | 1638 | |
661512bf | 1639 | return zsend_router_id_update (client, &p, zvrf_id (zvrf)); |
18a6dce6 | 1640 | } |
1641 | ||
1642 | /* Unregister zebra server router-id information. */ | |
719e9741 | 1643 | static int |
d651649e | 1644 | zread_router_id_delete (struct zserv *client, u_short length, struct zebra_vrf *zvrf) |
18a6dce6 | 1645 | { |
661512bf | 1646 | vrf_bitmap_unset (client->ridinfo, zvrf_id (zvrf)); |
719e9741 | 1647 | return 0; |
18a6dce6 | 1648 | } |
1649 | ||
2ea1ab1c VT |
1650 | /* Tie up route-type and client->sock */ |
1651 | static void | |
1652 | zread_hello (struct zserv *client) | |
1653 | { | |
1654 | /* type of protocol (lib/zebra.h) */ | |
1655 | u_char proto; | |
7c8ff89e DS |
1656 | u_short instance; |
1657 | ||
2ea1ab1c | 1658 | proto = stream_getc (client->ibuf); |
7c8ff89e | 1659 | instance = stream_getw (client->ibuf); |
2ea1ab1c VT |
1660 | |
1661 | /* accept only dynamic routing protocols */ | |
1662 | if ((proto < ZEBRA_ROUTE_MAX) | |
1663 | && (proto > ZEBRA_ROUTE_STATIC)) | |
1664 | { | |
1665 | zlog_notice ("client %d says hello and bids fair to announce only %s routes", | |
1666 | client->sock, zebra_route_string(proto)); | |
7c8ff89e DS |
1667 | if (instance) |
1668 | zlog_notice ("client protocol instance %d", instance); | |
2ea1ab1c | 1669 | |
fb018d25 | 1670 | client->proto = proto; |
7c8ff89e | 1671 | client->instance = instance; |
2ea1ab1c VT |
1672 | } |
1673 | } | |
1674 | ||
7076bb2f FL |
1675 | /* Unregister all information in a VRF. */ |
1676 | static int | |
d651649e | 1677 | zread_vrf_unregister (struct zserv *client, u_short length, struct zebra_vrf *zvrf) |
7076bb2f FL |
1678 | { |
1679 | int i; | |
1680 | afi_t afi; | |
1681 | ||
1682 | for (afi = AFI_IP; afi < AFI_MAX; afi++) | |
1683 | for (i = 0; i < ZEBRA_ROUTE_MAX; i++) | |
661512bf RW |
1684 | vrf_bitmap_unset (client->redist[afi][i], zvrf_id (zvrf)); |
1685 | vrf_bitmap_unset (client->redist_default, zvrf_id (zvrf)); | |
1686 | vrf_bitmap_unset (client->ifinfo, zvrf_id (zvrf)); | |
1687 | vrf_bitmap_unset (client->ridinfo, zvrf_id (zvrf)); | |
7076bb2f FL |
1688 | |
1689 | return 0; | |
1690 | } | |
1691 | ||
ce549947 RW |
1692 | static void |
1693 | zread_mpls_labels (int command, struct zserv *client, u_short length, | |
1694 | vrf_id_t vrf_id) | |
1695 | { | |
1696 | struct stream *s; | |
1697 | enum lsp_types_t type; | |
1698 | struct prefix prefix; | |
1699 | enum nexthop_types_t gtype; | |
1700 | union g_addr gate; | |
88d88a9c | 1701 | ifindex_t ifindex; |
ce549947 RW |
1702 | mpls_label_t in_label, out_label; |
1703 | u_int8_t distance; | |
1704 | struct zebra_vrf *zvrf; | |
1705 | ||
1706 | zvrf = vrf_info_lookup (vrf_id); | |
1707 | if (!zvrf) | |
1708 | return; | |
1709 | ||
1710 | /* Get input stream. */ | |
1711 | s = client->ibuf; | |
1712 | ||
1713 | /* Get data. */ | |
1714 | type = stream_getc (s); | |
1715 | prefix.family = stream_getl (s); | |
1716 | switch (prefix.family) | |
1717 | { | |
1718 | case AF_INET: | |
1719 | prefix.u.prefix4.s_addr = stream_get_ipv4 (s); | |
1720 | prefix.prefixlen = stream_getc (s); | |
ce549947 RW |
1721 | gate.ipv4.s_addr = stream_get_ipv4 (s); |
1722 | break; | |
1723 | case AF_INET6: | |
1724 | stream_get (&prefix.u.prefix6, s, 16); | |
1725 | prefix.prefixlen = stream_getc (s); | |
ce549947 RW |
1726 | stream_get (&gate.ipv6, s, 16); |
1727 | break; | |
1728 | default: | |
1729 | return; | |
1730 | } | |
88d88a9c | 1731 | ifindex = stream_getl (s); |
ce549947 RW |
1732 | distance = stream_getc (s); |
1733 | in_label = stream_getl (s); | |
1734 | out_label = stream_getl (s); | |
1735 | ||
88d88a9c RW |
1736 | switch (prefix.family) |
1737 | { | |
1738 | case AF_INET: | |
1739 | if (ifindex) | |
1740 | gtype = NEXTHOP_TYPE_IPV4_IFINDEX; | |
1741 | else | |
1742 | gtype = NEXTHOP_TYPE_IPV4; | |
1743 | break; | |
1744 | case AF_INET6: | |
1745 | if (ifindex) | |
1746 | gtype = NEXTHOP_TYPE_IPV6_IFINDEX; | |
1747 | else | |
1748 | gtype = NEXTHOP_TYPE_IPV6; | |
1749 | break; | |
1750 | default: | |
1751 | return; | |
1752 | } | |
1753 | ||
fe6c7157 RW |
1754 | if (! mpls_enabled) |
1755 | return; | |
1756 | ||
ce549947 RW |
1757 | if (command == ZEBRA_MPLS_LABELS_ADD) |
1758 | { | |
1759 | mpls_lsp_install (zvrf, type, in_label, out_label, gtype, &gate, | |
88d88a9c | 1760 | NULL, ifindex); |
ce549947 | 1761 | if (out_label != MPLS_IMP_NULL_LABEL) |
88d88a9c RW |
1762 | mpls_ftn_update (1, zvrf, type, &prefix, gtype, &gate, ifindex, |
1763 | distance, out_label); | |
ce549947 RW |
1764 | } |
1765 | else if (command == ZEBRA_MPLS_LABELS_DELETE) | |
1766 | { | |
88d88a9c | 1767 | mpls_lsp_uninstall (zvrf, type, in_label, gtype, &gate, NULL, ifindex); |
ce549947 | 1768 | if (out_label != MPLS_IMP_NULL_LABEL) |
88d88a9c RW |
1769 | mpls_ftn_update (0, zvrf, type, &prefix, gtype, &gate, ifindex, |
1770 | distance, out_label); | |
ce549947 RW |
1771 | } |
1772 | } | |
1773 | ||
4b33b75a | 1774 | /* Cleanup registered nexthops (across VRFs) upon client disconnect. */ |
1775 | static void | |
1776 | zebra_client_close_cleanup_rnh (struct zserv *client) | |
1777 | { | |
1a1a7065 | 1778 | struct vrf *vrf; |
4b33b75a | 1779 | struct zebra_vrf *zvrf; |
1780 | ||
1a1a7065 | 1781 | RB_FOREACH (vrf, vrf_id_head, &vrfs_by_id) |
4b33b75a | 1782 | { |
1a1a7065 | 1783 | if ((zvrf = vrf->info) != NULL) |
4b33b75a | 1784 | { |
661512bf RW |
1785 | zebra_cleanup_rnh_client(zvrf_id (zvrf), AF_INET, client, RNH_NEXTHOP_TYPE); |
1786 | zebra_cleanup_rnh_client(zvrf_id (zvrf), AF_INET6, client, RNH_NEXTHOP_TYPE); | |
1787 | zebra_cleanup_rnh_client(zvrf_id (zvrf), AF_INET, client, RNH_IMPORT_CHECK_TYPE); | |
1788 | zebra_cleanup_rnh_client(zvrf_id (zvrf), AF_INET6, client, RNH_IMPORT_CHECK_TYPE); | |
ce549947 RW |
1789 | if (client->proto == ZEBRA_ROUTE_LDP) |
1790 | { | |
1791 | hash_iterate(zvrf->lsp_table, mpls_ldp_lsp_uninstall_all, | |
1792 | zvrf->lsp_table); | |
1793 | mpls_ldp_ftn_uninstall_all (zvrf, AFI_IP); | |
1794 | mpls_ldp_ftn_uninstall_all (zvrf, AFI_IP6); | |
1795 | } | |
4b33b75a | 1796 | } |
1797 | } | |
1798 | } | |
1799 | ||
718e3744 | 1800 | /* Close zebra client. */ |
b9df2d25 | 1801 | static void |
718e3744 | 1802 | zebra_client_close (struct zserv *client) |
1803 | { | |
567b877d | 1804 | /* Send client de-registration to BFD */ |
2376c3f2 | 1805 | zebra_ptm_bfd_client_deregister(client->proto); |
567b877d | 1806 | |
4b33b75a | 1807 | /* Cleanup any registered nexthops - across all VRFs. */ |
1808 | zebra_client_close_cleanup_rnh (client); | |
fb018d25 | 1809 | |
718e3744 | 1810 | /* Close file descriptor. */ |
1811 | if (client->sock) | |
1812 | { | |
7c8ff89e DS |
1813 | unsigned long nroutes; |
1814 | ||
718e3744 | 1815 | close (client->sock); |
7c8ff89e DS |
1816 | nroutes = rib_score_proto (client->proto, client->instance); |
1817 | zlog_notice ("client %d disconnected. %lu %s routes removed from the rib", | |
1818 | client->sock, nroutes, zebra_route_string (client->proto)); | |
718e3744 | 1819 | client->sock = -1; |
1820 | } | |
1821 | ||
1822 | /* Free stream buffers. */ | |
1823 | if (client->ibuf) | |
1824 | stream_free (client->ibuf); | |
1825 | if (client->obuf) | |
1826 | stream_free (client->obuf); | |
719e9741 | 1827 | if (client->wb) |
1828 | buffer_free(client->wb); | |
718e3744 | 1829 | |
1830 | /* Release threads. */ | |
1831 | if (client->t_read) | |
1832 | thread_cancel (client->t_read); | |
1833 | if (client->t_write) | |
1834 | thread_cancel (client->t_write); | |
719e9741 | 1835 | if (client->t_suicide) |
1836 | thread_cancel (client->t_suicide); | |
718e3744 | 1837 | |
1838 | /* Free client structure. */ | |
b21b19c5 | 1839 | listnode_delete (zebrad.client_list, client); |
c66f9c61 | 1840 | XFREE (MTYPE_TMP, client); |
718e3744 | 1841 | } |
1842 | ||
1843 | /* Make new client. */ | |
b9df2d25 | 1844 | static void |
718e3744 | 1845 | zebra_client_create (int sock) |
1846 | { | |
1847 | struct zserv *client; | |
7076bb2f FL |
1848 | int i; |
1849 | afi_t afi; | |
718e3744 | 1850 | |
c66f9c61 | 1851 | client = XCALLOC (MTYPE_TMP, sizeof (struct zserv)); |
718e3744 | 1852 | |
1853 | /* Make client input/output buffer. */ | |
1854 | client->sock = sock; | |
1855 | client->ibuf = stream_new (ZEBRA_MAX_PACKET_SIZ); | |
1856 | client->obuf = stream_new (ZEBRA_MAX_PACKET_SIZ); | |
719e9741 | 1857 | client->wb = buffer_new(0); |
718e3744 | 1858 | |
1859 | /* Set table number. */ | |
b21b19c5 | 1860 | client->rtm_table = zebrad.rtm_table_default; |
718e3744 | 1861 | |
cf672a86 | 1862 | client->connect_time = monotime(NULL); |
7076bb2f FL |
1863 | /* Initialize flags */ |
1864 | for (afi = AFI_IP; afi < AFI_MAX; afi++) | |
1865 | for (i = 0; i < ZEBRA_ROUTE_MAX; i++) | |
1866 | client->redist[afi][i] = vrf_bitmap_init (); | |
1867 | client->redist_default = vrf_bitmap_init (); | |
1868 | client->ifinfo = vrf_bitmap_init (); | |
1869 | client->ridinfo = vrf_bitmap_init (); | |
04b02fda | 1870 | |
718e3744 | 1871 | /* Add this client to linked list. */ |
b21b19c5 | 1872 | listnode_add (zebrad.client_list, client); |
718e3744 | 1873 | |
1874 | /* Make new read thread. */ | |
1875 | zebra_event (ZEBRA_READ, sock, client); | |
12f6fb97 DS |
1876 | |
1877 | zebra_vrf_update_all (client); | |
718e3744 | 1878 | } |
1879 | ||
1880 | /* Handler of zebra service request. */ | |
b9df2d25 | 1881 | static int |
718e3744 | 1882 | zebra_client_read (struct thread *thread) |
1883 | { | |
1884 | int sock; | |
1885 | struct zserv *client; | |
57a1477b | 1886 | size_t already; |
c1b9800a | 1887 | uint16_t length, command; |
1888 | uint8_t marker, version; | |
7076bb2f | 1889 | vrf_id_t vrf_id; |
d651649e | 1890 | struct zebra_vrf *zvrf; |
718e3744 | 1891 | |
1892 | /* Get thread data. Reset reading thread because I'm running. */ | |
1893 | sock = THREAD_FD (thread); | |
1894 | client = THREAD_ARG (thread); | |
1895 | client->t_read = NULL; | |
1896 | ||
719e9741 | 1897 | if (client->t_suicide) |
718e3744 | 1898 | { |
719e9741 | 1899 | zebra_client_close(client); |
718e3744 | 1900 | return -1; |
1901 | } | |
719e9741 | 1902 | |
1903 | /* Read length and command (if we don't have it already). */ | |
57a1477b | 1904 | if ((already = stream_get_endp(client->ibuf)) < ZEBRA_HEADER_SIZE) |
719e9741 | 1905 | { |
57a1477b | 1906 | ssize_t nbyte; |
719e9741 | 1907 | if (((nbyte = stream_read_try (client->ibuf, sock, |
57a1477b | 1908 | ZEBRA_HEADER_SIZE-already)) == 0) || |
719e9741 | 1909 | (nbyte == -1)) |
1910 | { | |
1911 | if (IS_ZEBRA_DEBUG_EVENT) | |
1912 | zlog_debug ("connection closed socket [%d]", sock); | |
1913 | zebra_client_close (client); | |
1914 | return -1; | |
1915 | } | |
57a1477b | 1916 | if (nbyte != (ssize_t)(ZEBRA_HEADER_SIZE-already)) |
719e9741 | 1917 | { |
1918 | /* Try again later. */ | |
1919 | zebra_event (ZEBRA_READ, sock, client); | |
1920 | return 0; | |
1921 | } | |
57a1477b | 1922 | already = ZEBRA_HEADER_SIZE; |
719e9741 | 1923 | } |
1924 | ||
1925 | /* Reset to read from the beginning of the incoming packet. */ | |
1926 | stream_set_getp(client->ibuf, 0); | |
1927 | ||
c1b9800a | 1928 | /* Fetch header values */ |
718e3744 | 1929 | length = stream_getw (client->ibuf); |
c1b9800a | 1930 | marker = stream_getc (client->ibuf); |
1931 | version = stream_getc (client->ibuf); | |
7076bb2f | 1932 | vrf_id = stream_getw (client->ibuf); |
c1b9800a | 1933 | command = stream_getw (client->ibuf); |
718e3744 | 1934 | |
c1b9800a | 1935 | if (marker != ZEBRA_HEADER_MARKER || version != ZSERV_VERSION) |
1936 | { | |
1937 | zlog_err("%s: socket %d version mismatch, marker %d, version %d", | |
1938 | __func__, sock, marker, version); | |
1939 | zebra_client_close (client); | |
1940 | return -1; | |
1941 | } | |
719e9741 | 1942 | if (length < ZEBRA_HEADER_SIZE) |
718e3744 | 1943 | { |
57a1477b | 1944 | zlog_warn("%s: socket %d message length %u is less than header size %d", |
1945 | __func__, sock, length, ZEBRA_HEADER_SIZE); | |
1946 | zebra_client_close (client); | |
1947 | return -1; | |
1948 | } | |
1949 | if (length > STREAM_SIZE(client->ibuf)) | |
1950 | { | |
1951 | zlog_warn("%s: socket %d message length %u exceeds buffer size %lu", | |
1952 | __func__, sock, length, (u_long)STREAM_SIZE(client->ibuf)); | |
718e3744 | 1953 | zebra_client_close (client); |
1954 | return -1; | |
1955 | } | |
1956 | ||
718e3744 | 1957 | /* Read rest of data. */ |
57a1477b | 1958 | if (already < length) |
718e3744 | 1959 | { |
57a1477b | 1960 | ssize_t nbyte; |
1961 | if (((nbyte = stream_read_try (client->ibuf, sock, | |
1962 | length-already)) == 0) || | |
1963 | (nbyte == -1)) | |
718e3744 | 1964 | { |
1965 | if (IS_ZEBRA_DEBUG_EVENT) | |
b6178002 | 1966 | zlog_debug ("connection closed [%d] when reading zebra data", sock); |
718e3744 | 1967 | zebra_client_close (client); |
1968 | return -1; | |
1969 | } | |
57a1477b | 1970 | if (nbyte != (ssize_t)(length-already)) |
719e9741 | 1971 | { |
1972 | /* Try again later. */ | |
1973 | zebra_event (ZEBRA_READ, sock, client); | |
1974 | return 0; | |
1975 | } | |
718e3744 | 1976 | } |
1977 | ||
719e9741 | 1978 | length -= ZEBRA_HEADER_SIZE; |
1979 | ||
718e3744 | 1980 | /* Debug packet information. */ |
1981 | if (IS_ZEBRA_DEBUG_EVENT) | |
b6178002 | 1982 | zlog_debug ("zebra message comes from socket [%d]", sock); |
718e3744 | 1983 | |
1984 | if (IS_ZEBRA_DEBUG_PACKET && IS_ZEBRA_DEBUG_RECV) | |
7076bb2f FL |
1985 | zlog_debug ("zebra message received [%s] %d in VRF %u", |
1986 | zserv_command_string (command), length, vrf_id); | |
718e3744 | 1987 | |
cf672a86 | 1988 | client->last_read_time = monotime(NULL); |
04b02fda DS |
1989 | client->last_read_cmd = command; |
1990 | ||
5f3d1bdf | 1991 | zvrf = zebra_vrf_lookup_by_id (vrf_id); |
d651649e DS |
1992 | if (!zvrf) |
1993 | { | |
1994 | if (IS_ZEBRA_DEBUG_PACKET && IS_ZEBRA_DEBUG_RECV) | |
1995 | zlog_debug ("zebra received unknown VRF[%u]", vrf_id); | |
1996 | goto zclient_read_out; | |
1997 | } | |
1998 | ||
718e3744 | 1999 | switch (command) |
2000 | { | |
18a6dce6 | 2001 | case ZEBRA_ROUTER_ID_ADD: |
d651649e | 2002 | zread_router_id_add (client, length, zvrf); |
18a6dce6 | 2003 | break; |
2004 | case ZEBRA_ROUTER_ID_DELETE: | |
d651649e | 2005 | zread_router_id_delete (client, length, zvrf); |
18a6dce6 | 2006 | break; |
718e3744 | 2007 | case ZEBRA_INTERFACE_ADD: |
d651649e | 2008 | zread_interface_add (client, length, zvrf); |
718e3744 | 2009 | break; |
2010 | case ZEBRA_INTERFACE_DELETE: | |
d651649e | 2011 | zread_interface_delete (client, length, zvrf); |
718e3744 | 2012 | break; |
2013 | case ZEBRA_IPV4_ROUTE_ADD: | |
d651649e | 2014 | zread_ipv4_add (client, length, zvrf); |
718e3744 | 2015 | break; |
2016 | case ZEBRA_IPV4_ROUTE_DELETE: | |
d651649e | 2017 | zread_ipv4_delete (client, length, zvrf); |
718e3744 | 2018 | break; |
8a92a8a0 | 2019 | case ZEBRA_IPV4_ROUTE_IPV6_NEXTHOP_ADD: |
d651649e | 2020 | zread_ipv4_route_ipv6_nexthop_add (client, length, zvrf); |
8a92a8a0 | 2021 | break; |
65efcfce LB |
2022 | case ZEBRA_IPV4_NEXTHOP_ADD: |
2023 | zread_ipv4_add(client, length, zvrf); /* LB: r1.0 merge - id was 1 */ | |
2024 | break; | |
2025 | case ZEBRA_IPV4_NEXTHOP_DELETE: | |
2026 | zread_ipv4_delete(client, length, zvrf); /* LB: r1.0 merge - id was 1 */ | |
2027 | break; | |
718e3744 | 2028 | case ZEBRA_IPV6_ROUTE_ADD: |
d651649e | 2029 | zread_ipv6_add (client, length, zvrf); |
718e3744 | 2030 | break; |
2031 | case ZEBRA_IPV6_ROUTE_DELETE: | |
d651649e | 2032 | zread_ipv6_delete (client, length, zvrf); |
718e3744 | 2033 | break; |
718e3744 | 2034 | case ZEBRA_REDISTRIBUTE_ADD: |
d651649e | 2035 | zebra_redistribute_add (command, client, length, zvrf); |
718e3744 | 2036 | break; |
2037 | case ZEBRA_REDISTRIBUTE_DELETE: | |
d651649e | 2038 | zebra_redistribute_delete (command, client, length, zvrf); |
718e3744 | 2039 | break; |
2040 | case ZEBRA_REDISTRIBUTE_DEFAULT_ADD: | |
d651649e | 2041 | zebra_redistribute_default_add (command, client, length, zvrf); |
718e3744 | 2042 | break; |
2043 | case ZEBRA_REDISTRIBUTE_DEFAULT_DELETE: | |
d651649e | 2044 | zebra_redistribute_default_delete (command, client, length, zvrf); |
718e3744 | 2045 | break; |
6f61a5a3 EM |
2046 | case ZEBRA_IPV4_NEXTHOP_LOOKUP_MRIB: |
2047 | zread_ipv4_nexthop_lookup_mrib (client, length, zvrf); | |
718e3744 | 2048 | break; |
2ea1ab1c VT |
2049 | case ZEBRA_HELLO: |
2050 | zread_hello (client); | |
2051 | break; | |
fb018d25 | 2052 | case ZEBRA_NEXTHOP_REGISTER: |
d651649e | 2053 | zserv_rnh_register(client, sock, length, RNH_NEXTHOP_TYPE, zvrf); |
fb018d25 DS |
2054 | break; |
2055 | case ZEBRA_NEXTHOP_UNREGISTER: | |
d651649e | 2056 | zserv_rnh_unregister(client, sock, length, RNH_NEXTHOP_TYPE, zvrf); |
078430f6 DS |
2057 | break; |
2058 | case ZEBRA_IMPORT_ROUTE_REGISTER: | |
d651649e | 2059 | zserv_rnh_register(client, sock, length, RNH_IMPORT_CHECK_TYPE, zvrf); |
078430f6 DS |
2060 | break; |
2061 | case ZEBRA_IMPORT_ROUTE_UNREGISTER: | |
d651649e | 2062 | zserv_rnh_unregister(client, sock, length, RNH_IMPORT_CHECK_TYPE, zvrf); |
fb018d25 | 2063 | break; |
c43ed2e4 DS |
2064 | case ZEBRA_BFD_DEST_UPDATE: |
2065 | case ZEBRA_BFD_DEST_REGISTER: | |
d651649e | 2066 | zebra_ptm_bfd_dst_register(client, sock, length, command, zvrf); |
c43ed2e4 DS |
2067 | break; |
2068 | case ZEBRA_BFD_DEST_DEREGISTER: | |
d651649e | 2069 | zebra_ptm_bfd_dst_deregister(client, sock, length, zvrf); |
c43ed2e4 | 2070 | break; |
7076bb2f | 2071 | case ZEBRA_VRF_UNREGISTER: |
d651649e | 2072 | zread_vrf_unregister (client, length, zvrf); |
7076bb2f | 2073 | break; |
055c4dfc | 2074 | case ZEBRA_BFD_CLIENT_REGISTER: |
2075 | zebra_ptm_bfd_client_register(client, sock, length); | |
2076 | break; | |
4a04e5f7 | 2077 | case ZEBRA_INTERFACE_ENABLE_RADV: |
2078 | zebra_interface_radv_set (client, sock, length, zvrf, 1); | |
2079 | break; | |
2080 | case ZEBRA_INTERFACE_DISABLE_RADV: | |
2081 | zebra_interface_radv_set (client, sock, length, zvrf, 0); | |
2082 | break; | |
ce549947 RW |
2083 | case ZEBRA_MPLS_LABELS_ADD: |
2084 | case ZEBRA_MPLS_LABELS_DELETE: | |
2085 | zread_mpls_labels (command, client, length, vrf_id); | |
2086 | break; | |
e3be0432 DS |
2087 | case ZEBRA_IPMR_ROUTE_STATS: |
2088 | zebra_ipmr_route_stats (client, sock, length, zvrf); | |
2089 | break; | |
718e3744 | 2090 | default: |
2091 | zlog_info ("Zebra received unknown command %d", command); | |
2092 | break; | |
2093 | } | |
2094 | ||
719e9741 | 2095 | if (client->t_suicide) |
2096 | { | |
2097 | /* No need to wait for thread callback, just kill immediately. */ | |
2098 | zebra_client_close(client); | |
2099 | return -1; | |
2100 | } | |
2101 | ||
d651649e | 2102 | zclient_read_out: |
718e3744 | 2103 | stream_reset (client->ibuf); |
2104 | zebra_event (ZEBRA_READ, sock, client); | |
718e3744 | 2105 | return 0; |
2106 | } | |
2107 | ||
718e3744 | 2108 | |
2109 | /* Accept code of zebra server socket. */ | |
b9df2d25 | 2110 | static int |
718e3744 | 2111 | zebra_accept (struct thread *thread) |
2112 | { | |
2113 | int accept_sock; | |
2114 | int client_sock; | |
2115 | struct sockaddr_in client; | |
2116 | socklen_t len; | |
2117 | ||
2118 | accept_sock = THREAD_FD (thread); | |
2119 | ||
719e9741 | 2120 | /* Reregister myself. */ |
2121 | zebra_event (ZEBRA_SERV, accept_sock, NULL); | |
2122 | ||
718e3744 | 2123 | len = sizeof (struct sockaddr_in); |
2124 | client_sock = accept (accept_sock, (struct sockaddr *) &client, &len); | |
2125 | ||
2126 | if (client_sock < 0) | |
2127 | { | |
6099b3b5 | 2128 | zlog_warn ("Can't accept zebra socket: %s", safe_strerror (errno)); |
718e3744 | 2129 | return -1; |
2130 | } | |
2131 | ||
ccf3557b | 2132 | /* Make client socket non-blocking. */ |
719e9741 | 2133 | set_nonblocking(client_sock); |
865b852c | 2134 | |
718e3744 | 2135 | /* Create new zebra client. */ |
2136 | zebra_client_create (client_sock); | |
2137 | ||
718e3744 | 2138 | return 0; |
2139 | } | |
2140 | ||
b9df2d25 | 2141 | #ifdef HAVE_TCP_ZEBRA |
718e3744 | 2142 | /* Make zebra's server socket. */ |
b9df2d25 | 2143 | static void |
718e3744 | 2144 | zebra_serv () |
2145 | { | |
2146 | int ret; | |
2147 | int accept_sock; | |
2148 | struct sockaddr_in addr; | |
2149 | ||
2150 | accept_sock = socket (AF_INET, SOCK_STREAM, 0); | |
2151 | ||
2152 | if (accept_sock < 0) | |
2153 | { | |
3d1dc857 | 2154 | zlog_warn ("Can't create zserv stream socket: %s", |
2155 | safe_strerror (errno)); | |
718e3744 | 2156 | zlog_warn ("zebra can't provice full functionality due to above error"); |
2157 | return; | |
2158 | } | |
2159 | ||
2160 | memset (&addr, 0, sizeof (struct sockaddr_in)); | |
2161 | addr.sin_family = AF_INET; | |
2162 | addr.sin_port = htons (ZEBRA_PORT); | |
6f0e3f6e | 2163 | #ifdef HAVE_STRUCT_SOCKADDR_IN_SIN_LEN |
718e3744 | 2164 | addr.sin_len = sizeof (struct sockaddr_in); |
6f0e3f6e | 2165 | #endif /* HAVE_STRUCT_SOCKADDR_IN_SIN_LEN */ |
718e3744 | 2166 | addr.sin_addr.s_addr = htonl (INADDR_LOOPBACK); |
2167 | ||
2168 | sockopt_reuseaddr (accept_sock); | |
2169 | sockopt_reuseport (accept_sock); | |
2170 | ||
edd7c245 | 2171 | if ( zserv_privs.change(ZPRIVS_RAISE) ) |
2172 | zlog (NULL, LOG_ERR, "Can't raise privileges"); | |
2173 | ||
718e3744 | 2174 | ret = bind (accept_sock, (struct sockaddr *)&addr, |
2175 | sizeof (struct sockaddr_in)); | |
2176 | if (ret < 0) | |
2177 | { | |
3d1dc857 | 2178 | zlog_warn ("Can't bind to stream socket: %s", |
2179 | safe_strerror (errno)); | |
718e3744 | 2180 | zlog_warn ("zebra can't provice full functionality due to above error"); |
2181 | close (accept_sock); /* Avoid sd leak. */ | |
2182 | return; | |
2183 | } | |
edd7c245 | 2184 | |
2185 | if ( zserv_privs.change(ZPRIVS_LOWER) ) | |
2186 | zlog (NULL, LOG_ERR, "Can't lower privileges"); | |
718e3744 | 2187 | |
2188 | ret = listen (accept_sock, 1); | |
2189 | if (ret < 0) | |
2190 | { | |
3d1dc857 | 2191 | zlog_warn ("Can't listen to stream socket: %s", |
2192 | safe_strerror (errno)); | |
718e3744 | 2193 | zlog_warn ("zebra can't provice full functionality due to above error"); |
2194 | close (accept_sock); /* Avoid sd leak. */ | |
2195 | return; | |
2196 | } | |
2197 | ||
2198 | zebra_event (ZEBRA_SERV, accept_sock, NULL); | |
2199 | } | |
fbedba64 | 2200 | #else /* HAVE_TCP_ZEBRA */ |
718e3744 | 2201 | |
2202 | /* For sockaddr_un. */ | |
2203 | #include <sys/un.h> | |
2204 | ||
2205 | /* zebra server UNIX domain socket. */ | |
b9df2d25 | 2206 | static void |
fce954f8 | 2207 | zebra_serv_un (const char *path) |
718e3744 | 2208 | { |
2209 | int ret; | |
2210 | int sock, len; | |
2211 | struct sockaddr_un serv; | |
2212 | mode_t old_mask; | |
2213 | ||
2214 | /* First of all, unlink existing socket */ | |
2215 | unlink (path); | |
2216 | ||
2217 | /* Set umask */ | |
2218 | old_mask = umask (0077); | |
2219 | ||
2220 | /* Make UNIX domain socket. */ | |
2221 | sock = socket (AF_UNIX, SOCK_STREAM, 0); | |
2222 | if (sock < 0) | |
2223 | { | |
3d1dc857 | 2224 | zlog_warn ("Can't create zserv unix socket: %s", |
2225 | safe_strerror (errno)); | |
2226 | zlog_warn ("zebra can't provide full functionality due to above error"); | |
718e3744 | 2227 | return; |
2228 | } | |
2229 | ||
2230 | /* Make server socket. */ | |
2231 | memset (&serv, 0, sizeof (struct sockaddr_un)); | |
2232 | serv.sun_family = AF_UNIX; | |
2233 | strncpy (serv.sun_path, path, strlen (path)); | |
6f0e3f6e | 2234 | #ifdef HAVE_STRUCT_SOCKADDR_UN_SUN_LEN |
718e3744 | 2235 | len = serv.sun_len = SUN_LEN(&serv); |
2236 | #else | |
2237 | len = sizeof (serv.sun_family) + strlen (serv.sun_path); | |
6f0e3f6e | 2238 | #endif /* HAVE_STRUCT_SOCKADDR_UN_SUN_LEN */ |
718e3744 | 2239 | |
2240 | ret = bind (sock, (struct sockaddr *) &serv, len); | |
2241 | if (ret < 0) | |
2242 | { | |
3d1dc857 | 2243 | zlog_warn ("Can't bind to unix socket %s: %s", |
2244 | path, safe_strerror (errno)); | |
2245 | zlog_warn ("zebra can't provide full functionality due to above error"); | |
718e3744 | 2246 | close (sock); |
2247 | return; | |
2248 | } | |
2249 | ||
2250 | ret = listen (sock, 5); | |
2251 | if (ret < 0) | |
2252 | { | |
3d1dc857 | 2253 | zlog_warn ("Can't listen to unix socket %s: %s", |
2254 | path, safe_strerror (errno)); | |
2255 | zlog_warn ("zebra can't provide full functionality due to above error"); | |
718e3744 | 2256 | close (sock); |
2257 | return; | |
2258 | } | |
2259 | ||
2260 | umask (old_mask); | |
2261 | ||
2262 | zebra_event (ZEBRA_SERV, sock, NULL); | |
2263 | } | |
fbedba64 | 2264 | #endif /* HAVE_TCP_ZEBRA */ |
6b0655a2 | 2265 | |
718e3744 | 2266 | |
b9df2d25 | 2267 | static void |
718e3744 | 2268 | zebra_event (enum event event, int sock, struct zserv *client) |
2269 | { | |
2270 | switch (event) | |
2271 | { | |
2272 | case ZEBRA_SERV: | |
b21b19c5 | 2273 | thread_add_read (zebrad.master, zebra_accept, client, sock); |
718e3744 | 2274 | break; |
2275 | case ZEBRA_READ: | |
2276 | client->t_read = | |
b21b19c5 | 2277 | thread_add_read (zebrad.master, zebra_client_read, client, sock); |
718e3744 | 2278 | break; |
2279 | case ZEBRA_WRITE: | |
2280 | /**/ | |
2281 | break; | |
2282 | } | |
2283 | } | |
6b0655a2 | 2284 | |
04b02fda DS |
2285 | #define ZEBRA_TIME_BUF 32 |
2286 | static char * | |
2287 | zserv_time_buf(time_t *time1, char *buf, int buflen) | |
2288 | { | |
2289 | struct tm *tm; | |
2290 | time_t now; | |
2291 | ||
2292 | assert (buf != NULL); | |
2293 | assert (buflen >= ZEBRA_TIME_BUF); | |
2294 | assert (time1 != NULL); | |
2295 | ||
2296 | if (!*time1) | |
2297 | { | |
2298 | snprintf(buf, buflen, "never "); | |
2299 | return (buf); | |
2300 | } | |
2301 | ||
cf672a86 | 2302 | now = monotime(NULL); |
04b02fda DS |
2303 | now -= *time1; |
2304 | tm = gmtime(&now); | |
2305 | ||
2306 | /* Making formatted timer strings. */ | |
2307 | #define ONE_DAY_SECOND 60*60*24 | |
2308 | #define ONE_WEEK_SECOND 60*60*24*7 | |
2309 | ||
2310 | if (now < ONE_DAY_SECOND) | |
2311 | snprintf (buf, buflen, "%02d:%02d:%02d", | |
2312 | tm->tm_hour, tm->tm_min, tm->tm_sec); | |
2313 | else if (now < ONE_WEEK_SECOND) | |
2314 | snprintf (buf, buflen, "%dd%02dh%02dm", | |
2315 | tm->tm_yday, tm->tm_hour, tm->tm_min); | |
2316 | else | |
2317 | snprintf (buf, buflen, "%02dw%dd%02dh", | |
2318 | tm->tm_yday/7, tm->tm_yday - ((tm->tm_yday/7) * 7), tm->tm_hour); | |
2319 | return buf; | |
2320 | } | |
2321 | ||
2322 | static void | |
2323 | zebra_show_client_detail (struct vty *vty, struct zserv *client) | |
2324 | { | |
2325 | char cbuf[ZEBRA_TIME_BUF], rbuf[ZEBRA_TIME_BUF]; | |
2326 | char wbuf[ZEBRA_TIME_BUF], nhbuf[ZEBRA_TIME_BUF], mbuf[ZEBRA_TIME_BUF]; | |
2327 | ||
7c8ff89e DS |
2328 | vty_out (vty, "Client: %s", zebra_route_string(client->proto)); |
2329 | if (client->instance) | |
2330 | vty_out (vty, " Instance: %d", client->instance); | |
2331 | vty_out (vty, "%s", VTY_NEWLINE); | |
2332 | ||
04b02fda DS |
2333 | vty_out (vty, "------------------------ %s", VTY_NEWLINE); |
2334 | vty_out (vty, "FD: %d %s", client->sock, VTY_NEWLINE); | |
2335 | vty_out (vty, "Route Table ID: %d %s", client->rtm_table, VTY_NEWLINE); | |
2336 | ||
2337 | vty_out (vty, "Connect Time: %s %s", | |
2338 | zserv_time_buf(&client->connect_time, cbuf, ZEBRA_TIME_BUF), | |
2339 | VTY_NEWLINE); | |
2340 | if (client->nh_reg_time) | |
2341 | { | |
2342 | vty_out (vty, "Nexthop Registry Time: %s %s", | |
2343 | zserv_time_buf(&client->nh_reg_time, nhbuf, ZEBRA_TIME_BUF), | |
2344 | VTY_NEWLINE); | |
2345 | if (client->nh_last_upd_time) | |
2346 | vty_out (vty, "Nexthop Last Update Time: %s %s", | |
2347 | zserv_time_buf(&client->nh_last_upd_time, mbuf, ZEBRA_TIME_BUF), | |
2348 | VTY_NEWLINE); | |
2349 | else | |
2350 | vty_out (vty, "No Nexthop Update sent%s", VTY_NEWLINE); | |
2351 | } | |
2352 | else | |
2353 | vty_out (vty, "Not registered for Nexthop Updates%s", VTY_NEWLINE); | |
2354 | ||
2355 | vty_out (vty, "Last Msg Rx Time: %s %s", | |
2356 | zserv_time_buf(&client->last_read_time, rbuf, ZEBRA_TIME_BUF), | |
2357 | VTY_NEWLINE); | |
2358 | vty_out (vty, "Last Msg Tx Time: %s %s", | |
2359 | zserv_time_buf(&client->last_write_time, wbuf, ZEBRA_TIME_BUF), | |
2360 | VTY_NEWLINE); | |
2361 | if (client->last_read_time) | |
2362 | vty_out (vty, "Last Rcvd Cmd: %s %s", | |
2363 | zserv_command_string(client->last_read_cmd), VTY_NEWLINE); | |
2364 | if (client->last_write_time) | |
2365 | vty_out (vty, "Last Sent Cmd: %s %s", | |
2366 | zserv_command_string(client->last_write_cmd), VTY_NEWLINE); | |
2367 | vty_out (vty, "%s", VTY_NEWLINE); | |
2368 | ||
2369 | vty_out (vty, "Type Add Update Del %s", VTY_NEWLINE); | |
2370 | vty_out (vty, "================================================== %s", VTY_NEWLINE); | |
2371 | vty_out (vty, "IPv4 %-12d%-12d%-12d%s", client->v4_route_add_cnt, | |
2372 | client->v4_route_upd8_cnt, client->v4_route_del_cnt, VTY_NEWLINE); | |
2373 | vty_out (vty, "IPv6 %-12d%-12d%-12d%s", client->v6_route_add_cnt, | |
2374 | client->v6_route_upd8_cnt, client->v6_route_del_cnt, VTY_NEWLINE); | |
2375 | vty_out (vty, "Redist:v4 %-12d%-12d%-12d%s", client->redist_v4_add_cnt, 0, | |
2376 | client->redist_v4_del_cnt, VTY_NEWLINE); | |
2377 | vty_out (vty, "Redist:v6 %-12d%-12d%-12d%s", client->redist_v6_add_cnt, 0, | |
2378 | client->redist_v6_del_cnt, VTY_NEWLINE); | |
2379 | vty_out (vty, "Connected %-12d%-12d%-12d%s", client->ifadd_cnt, 0, | |
2380 | client->ifdel_cnt, VTY_NEWLINE); | |
c43ed2e4 DS |
2381 | vty_out (vty, "BFD peer %-12d%-12d%-12d%s", client->bfd_peer_add_cnt, |
2382 | client->bfd_peer_upd8_cnt, client->bfd_peer_del_cnt, VTY_NEWLINE); | |
04b02fda DS |
2383 | vty_out (vty, "Interface Up Notifications: %d%s", client->ifup_cnt, |
2384 | VTY_NEWLINE); | |
2385 | vty_out (vty, "Interface Down Notifications: %d%s", client->ifdown_cnt, | |
2386 | VTY_NEWLINE); | |
2387 | ||
2388 | vty_out (vty, "%s", VTY_NEWLINE); | |
2389 | return; | |
2390 | } | |
2391 | ||
2392 | static void | |
2393 | zebra_show_client_brief (struct vty *vty, struct zserv *client) | |
2394 | { | |
2395 | char cbuf[ZEBRA_TIME_BUF], rbuf[ZEBRA_TIME_BUF]; | |
2396 | char wbuf[ZEBRA_TIME_BUF]; | |
2397 | ||
2398 | vty_out (vty, "%-8s%12s %12s%12s%8d/%-8d%8d/%-8d%s", | |
2399 | zebra_route_string(client->proto), | |
2400 | zserv_time_buf(&client->connect_time, cbuf, ZEBRA_TIME_BUF), | |
2401 | zserv_time_buf(&client->last_read_time, rbuf, ZEBRA_TIME_BUF), | |
2402 | zserv_time_buf(&client->last_write_time, wbuf, ZEBRA_TIME_BUF), | |
2403 | client->v4_route_add_cnt+client->v4_route_upd8_cnt, | |
2404 | client->v4_route_del_cnt, | |
2405 | client->v6_route_add_cnt+client->v6_route_upd8_cnt, | |
2406 | client->v6_route_del_cnt, VTY_NEWLINE); | |
2407 | ||
2408 | } | |
2409 | ||
8ed6821e | 2410 | struct zserv * |
2411 | zebra_find_client (u_char proto) | |
2412 | { | |
2413 | struct listnode *node, *nnode; | |
2414 | struct zserv *client; | |
2415 | ||
2416 | for (ALL_LIST_ELEMENTS (zebrad.client_list, node, nnode, client)) | |
2417 | { | |
2418 | if (client->proto == proto) | |
2419 | return client; | |
2420 | } | |
2421 | ||
2422 | return NULL; | |
2423 | } | |
2424 | ||
9bf75362 | 2425 | #ifdef HAVE_NETLINK |
718e3744 | 2426 | /* Display default rtm_table for all clients. */ |
2427 | DEFUN (show_table, | |
2428 | show_table_cmd, | |
2429 | "show table", | |
2430 | SHOW_STR | |
2431 | "default routing table to use for all clients\n") | |
2432 | { | |
b21b19c5 | 2433 | vty_out (vty, "table %d%s", zebrad.rtm_table_default, |
718e3744 | 2434 | VTY_NEWLINE); |
2435 | return CMD_SUCCESS; | |
2436 | } | |
2437 | ||
6147e2c6 | 2438 | DEFUN (config_table, |
718e3744 | 2439 | config_table_cmd, |
2440 | "table TABLENO", | |
2441 | "Configure target kernel routing table\n" | |
2442 | "TABLE integer\n") | |
2443 | { | |
6af6be86 | 2444 | zebrad.rtm_table_default = strtol (argv[1]->arg, (char**)0, 10); |
718e3744 | 2445 | return CMD_SUCCESS; |
2446 | } | |
2447 | ||
813d4307 DW |
2448 | DEFUN (no_config_table, |
2449 | no_config_table_cmd, | |
6af6be86 | 2450 | "no table [TABLENO]", |
813d4307 DW |
2451 | NO_STR |
2452 | "Configure target kernel routing table\n" | |
2453 | "TABLE integer\n") | |
2454 | { | |
2455 | zebrad.rtm_table_default = 0; | |
2456 | return CMD_SUCCESS; | |
2457 | } | |
9bf75362 | 2458 | #endif |
813d4307 | 2459 | |
647e4f1f | 2460 | DEFUN (ip_forwarding, |
2461 | ip_forwarding_cmd, | |
2462 | "ip forwarding", | |
2463 | IP_STR | |
2464 | "Turn on IP forwarding") | |
2465 | { | |
2466 | int ret; | |
2467 | ||
2468 | ret = ipforward (); | |
b71f00f2 | 2469 | if (ret == 0) |
2470 | ret = ipforward_on (); | |
647e4f1f | 2471 | |
647e4f1f | 2472 | if (ret == 0) |
2473 | { | |
2474 | vty_out (vty, "Can't turn on IP forwarding%s", VTY_NEWLINE); | |
2475 | return CMD_WARNING; | |
2476 | } | |
2477 | ||
2478 | return CMD_SUCCESS; | |
2479 | } | |
2480 | ||
718e3744 | 2481 | DEFUN (no_ip_forwarding, |
2482 | no_ip_forwarding_cmd, | |
2483 | "no ip forwarding", | |
2484 | NO_STR | |
2485 | IP_STR | |
2486 | "Turn off IP forwarding") | |
2487 | { | |
2488 | int ret; | |
2489 | ||
2490 | ret = ipforward (); | |
b71f00f2 | 2491 | if (ret != 0) |
2492 | ret = ipforward_off (); | |
718e3744 | 2493 | |
718e3744 | 2494 | if (ret != 0) |
2495 | { | |
2496 | vty_out (vty, "Can't turn off IP forwarding%s", VTY_NEWLINE); | |
2497 | return CMD_WARNING; | |
2498 | } | |
2499 | ||
2500 | return CMD_SUCCESS; | |
2501 | } | |
2502 | ||
2503 | /* This command is for debugging purpose. */ | |
2504 | DEFUN (show_zebra_client, | |
2505 | show_zebra_client_cmd, | |
2506 | "show zebra client", | |
2507 | SHOW_STR | |
49d73233 | 2508 | "Zebra information\n" |
b9ee4999 | 2509 | "Client information\n") |
718e3744 | 2510 | { |
52dc7ee6 | 2511 | struct listnode *node; |
718e3744 | 2512 | struct zserv *client; |
2513 | ||
1eb8ef25 | 2514 | for (ALL_LIST_ELEMENTS_RO (zebrad.client_list, node, client)) |
04b02fda DS |
2515 | zebra_show_client_detail(vty, client); |
2516 | ||
2517 | return CMD_SUCCESS; | |
2518 | } | |
2519 | ||
2520 | /* This command is for debugging purpose. */ | |
2521 | DEFUN (show_zebra_client_summary, | |
2522 | show_zebra_client_summary_cmd, | |
2523 | "show zebra client summary", | |
2524 | SHOW_STR | |
b9ee4999 DS |
2525 | "Zebra information brief\n" |
2526 | "Client information brief\n" | |
2527 | "Brief Summary\n") | |
04b02fda DS |
2528 | { |
2529 | struct listnode *node; | |
2530 | struct zserv *client; | |
2531 | ||
2532 | vty_out (vty, "Name Connect Time Last Read Last Write IPv4 Routes IPv6 Routes %s", | |
2533 | VTY_NEWLINE); | |
2534 | vty_out (vty,"--------------------------------------------------------------------------------%s", | |
2535 | VTY_NEWLINE); | |
2536 | ||
2537 | for (ALL_LIST_ELEMENTS_RO (zebrad.client_list, node, client)) | |
2538 | zebra_show_client_brief(vty, client); | |
fb018d25 | 2539 | |
04b02fda | 2540 | vty_out (vty, "Routes column shows (added+updated)/deleted%s", VTY_NEWLINE); |
718e3744 | 2541 | return CMD_SUCCESS; |
2542 | } | |
2543 | ||
2544 | /* Table configuration write function. */ | |
b9df2d25 | 2545 | static int |
718e3744 | 2546 | config_write_table (struct vty *vty) |
2547 | { | |
b21b19c5 | 2548 | if (zebrad.rtm_table_default) |
2549 | vty_out (vty, "table %d%s", zebrad.rtm_table_default, | |
718e3744 | 2550 | VTY_NEWLINE); |
2551 | return 0; | |
2552 | } | |
2553 | ||
2554 | /* table node for routing tables. */ | |
7fc626de | 2555 | static struct cmd_node table_node = |
718e3744 | 2556 | { |
2557 | TABLE_NODE, | |
2558 | "", /* This node has no interface. */ | |
2559 | 1 | |
2560 | }; | |
6b0655a2 | 2561 | |
718e3744 | 2562 | /* Only display ip forwarding is enabled or not. */ |
2563 | DEFUN (show_ip_forwarding, | |
2564 | show_ip_forwarding_cmd, | |
2565 | "show ip forwarding", | |
2566 | SHOW_STR | |
2567 | IP_STR | |
2568 | "IP forwarding status\n") | |
2569 | { | |
2570 | int ret; | |
2571 | ||
2572 | ret = ipforward (); | |
2573 | ||
2574 | if (ret == 0) | |
2575 | vty_out (vty, "IP forwarding is off%s", VTY_NEWLINE); | |
2576 | else | |
2577 | vty_out (vty, "IP forwarding is on%s", VTY_NEWLINE); | |
2578 | return CMD_SUCCESS; | |
2579 | } | |
2580 | ||
718e3744 | 2581 | /* Only display ipv6 forwarding is enabled or not. */ |
2582 | DEFUN (show_ipv6_forwarding, | |
2583 | show_ipv6_forwarding_cmd, | |
2584 | "show ipv6 forwarding", | |
2585 | SHOW_STR | |
2586 | "IPv6 information\n" | |
2587 | "Forwarding status\n") | |
2588 | { | |
2589 | int ret; | |
2590 | ||
2591 | ret = ipforward_ipv6 (); | |
2592 | ||
2593 | switch (ret) | |
2594 | { | |
2595 | case -1: | |
2596 | vty_out (vty, "ipv6 forwarding is unknown%s", VTY_NEWLINE); | |
2597 | break; | |
2598 | case 0: | |
2599 | vty_out (vty, "ipv6 forwarding is %s%s", "off", VTY_NEWLINE); | |
2600 | break; | |
2601 | case 1: | |
2602 | vty_out (vty, "ipv6 forwarding is %s%s", "on", VTY_NEWLINE); | |
2603 | break; | |
2604 | default: | |
2605 | vty_out (vty, "ipv6 forwarding is %s%s", "off", VTY_NEWLINE); | |
2606 | break; | |
2607 | } | |
2608 | return CMD_SUCCESS; | |
2609 | } | |
2610 | ||
55906724 | 2611 | DEFUN (ipv6_forwarding, |
2612 | ipv6_forwarding_cmd, | |
2613 | "ipv6 forwarding", | |
2614 | IPV6_STR | |
2615 | "Turn on IPv6 forwarding") | |
2616 | { | |
2617 | int ret; | |
2618 | ||
41d3fc96 | 2619 | ret = ipforward_ipv6 (); |
b71f00f2 | 2620 | if (ret == 0) |
2621 | ret = ipforward_ipv6_on (); | |
41d3fc96 | 2622 | |
41d3fc96 | 2623 | if (ret == 0) |
55906724 | 2624 | { |
2625 | vty_out (vty, "Can't turn on IPv6 forwarding%s", VTY_NEWLINE); | |
2626 | return CMD_WARNING; | |
2627 | } | |
2628 | ||
2629 | return CMD_SUCCESS; | |
2630 | } | |
2631 | ||
718e3744 | 2632 | DEFUN (no_ipv6_forwarding, |
2633 | no_ipv6_forwarding_cmd, | |
2634 | "no ipv6 forwarding", | |
2635 | NO_STR | |
55906724 | 2636 | IPV6_STR |
2637 | "Turn off IPv6 forwarding") | |
718e3744 | 2638 | { |
2639 | int ret; | |
2640 | ||
41d3fc96 | 2641 | ret = ipforward_ipv6 (); |
b71f00f2 | 2642 | if (ret != 0) |
2643 | ret = ipforward_ipv6_off (); | |
41d3fc96 | 2644 | |
718e3744 | 2645 | if (ret != 0) |
2646 | { | |
2647 | vty_out (vty, "Can't turn off IPv6 forwarding%s", VTY_NEWLINE); | |
2648 | return CMD_WARNING; | |
2649 | } | |
2650 | ||
2651 | return CMD_SUCCESS; | |
2652 | } | |
2653 | ||
718e3744 | 2654 | /* IPForwarding configuration write function. */ |
719e9741 | 2655 | static int |
718e3744 | 2656 | config_write_forwarding (struct vty *vty) |
2657 | { | |
18a6dce6 | 2658 | /* FIXME: Find better place for that. */ |
2659 | router_id_write (vty); | |
2660 | ||
f40dd648 QY |
2661 | if (!ipforward ()) |
2662 | vty_out (vty, "no ip forwarding%s", VTY_NEWLINE); | |
f40dd648 QY |
2663 | if (!ipforward_ipv6 ()) |
2664 | vty_out (vty, "no ipv6 forwarding%s", VTY_NEWLINE); | |
718e3744 | 2665 | vty_out (vty, "!%s", VTY_NEWLINE); |
2666 | return 0; | |
2667 | } | |
2668 | ||
2669 | /* table node for routing tables. */ | |
7fc626de | 2670 | static struct cmd_node forwarding_node = |
718e3744 | 2671 | { |
2672 | FORWARDING_NODE, | |
2673 | "", /* This node has no interface. */ | |
2674 | 1 | |
2675 | }; | |
2676 | ||
711ff0ba USK |
2677 | #ifdef HAVE_FPM |
2678 | /* function to write the fpm config info */ | |
2679 | static int | |
2680 | config_write_fpm (struct vty *vty) | |
2681 | { | |
2682 | return | |
2683 | fpm_remote_srv_write (vty); | |
2684 | } | |
2685 | ||
2686 | /* Zebra node */ | |
2687 | static struct cmd_node zebra_node = | |
2688 | { | |
2689 | ZEBRA_NODE, | |
2690 | "", | |
2691 | 1 | |
2692 | }; | |
2693 | #endif | |
2694 | ||
6b0655a2 | 2695 | |
718e3744 | 2696 | /* Initialisation of zebra and installation of commands. */ |
2697 | void | |
a1ac18c4 | 2698 | zebra_init (void) |
718e3744 | 2699 | { |
2700 | /* Client list init. */ | |
b21b19c5 | 2701 | zebrad.client_list = list_new (); |
718e3744 | 2702 | |
718e3744 | 2703 | /* Install configuration write function. */ |
2704 | install_node (&table_node, config_write_table); | |
2705 | install_node (&forwarding_node, config_write_forwarding); | |
711ff0ba USK |
2706 | #ifdef HAVE_FPM |
2707 | install_node (&zebra_node, config_write_fpm); | |
2708 | #endif | |
718e3744 | 2709 | |
2710 | install_element (VIEW_NODE, &show_ip_forwarding_cmd); | |
647e4f1f | 2711 | install_element (CONFIG_NODE, &ip_forwarding_cmd); |
718e3744 | 2712 | install_element (CONFIG_NODE, &no_ip_forwarding_cmd); |
2713 | install_element (ENABLE_NODE, &show_zebra_client_cmd); | |
04b02fda | 2714 | install_element (ENABLE_NODE, &show_zebra_client_summary_cmd); |
718e3744 | 2715 | |
2716 | #ifdef HAVE_NETLINK | |
2717 | install_element (VIEW_NODE, &show_table_cmd); | |
718e3744 | 2718 | install_element (CONFIG_NODE, &config_table_cmd); |
813d4307 | 2719 | install_element (CONFIG_NODE, &no_config_table_cmd); |
718e3744 | 2720 | #endif /* HAVE_NETLINK */ |
2721 | ||
718e3744 | 2722 | install_element (VIEW_NODE, &show_ipv6_forwarding_cmd); |
55906724 | 2723 | install_element (CONFIG_NODE, &ipv6_forwarding_cmd); |
718e3744 | 2724 | install_element (CONFIG_NODE, &no_ipv6_forwarding_cmd); |
7514fb77 PJ |
2725 | |
2726 | /* Route-map */ | |
2727 | zebra_route_map_init (); | |
718e3744 | 2728 | } |
97be79f9 DO |
2729 | |
2730 | /* Make zebra server socket, wiping any existing one (see bug #403). */ | |
2731 | void | |
b5114685 | 2732 | zebra_zserv_socket_init (char *path) |
97be79f9 DO |
2733 | { |
2734 | #ifdef HAVE_TCP_ZEBRA | |
2735 | zebra_serv (); | |
2736 | #else | |
b5114685 | 2737 | zebra_serv_un (path ? path : ZEBRA_SERV_PATH); |
97be79f9 DO |
2738 | #endif /* HAVE_TCP_ZEBRA */ |
2739 | } |