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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" | |
30 | #include "table.h" | |
31 | #include "rib.h" | |
32 | #include "network.h" | |
33 | #include "sockunion.h" | |
34 | #include "log.h" | |
35 | #include "zclient.h" | |
edd7c245 | 36 | #include "privs.h" |
719e9741 | 37 | #include "network.h" |
38 | #include "buffer.h" | |
fb018d25 | 39 | #include "nexthop.h" |
78104b9b | 40 | #include "vrf.h" |
718e3744 | 41 | |
42 | #include "zebra/zserv.h" | |
18a6dce6 | 43 | #include "zebra/router-id.h" |
718e3744 | 44 | #include "zebra/redistribute.h" |
45 | #include "zebra/debug.h" | |
46 | #include "zebra/ipforward.h" | |
fb018d25 | 47 | #include "zebra/zebra_rnh.h" |
5c610faf | 48 | #include "zebra/rt_netlink.h" |
88177fe3 DS |
49 | #include "zebra/interface.h" |
50 | #include "zebra/zebra_ptm.h" | |
6b0655a2 | 51 | |
718e3744 | 52 | /* Event list of zebra. */ |
53 | enum event { ZEBRA_SERV, ZEBRA_READ, ZEBRA_WRITE }; | |
54 | ||
b21b19c5 | 55 | extern struct zebra_t zebrad; |
718e3744 | 56 | |
b9df2d25 | 57 | static void zebra_event (enum event event, int sock, struct zserv *client); |
ccf3557b | 58 | |
edd7c245 | 59 | extern struct zebra_privs_t zserv_privs; |
6b0655a2 | 60 | |
719e9741 | 61 | static void zebra_client_close (struct zserv *client); |
ccf3557b | 62 | |
719e9741 | 63 | static int |
64 | zserv_delayed_close(struct thread *thread) | |
ccf3557b | 65 | { |
719e9741 | 66 | struct zserv *client = THREAD_ARG(thread); |
ccf3557b | 67 | |
719e9741 | 68 | client->t_suicide = NULL; |
69 | zebra_client_close(client); | |
ccf3557b | 70 | return 0; |
71 | } | |
72 | ||
719e9741 | 73 | static int |
74 | zserv_flush_data(struct thread *thread) | |
ccf3557b | 75 | { |
719e9741 | 76 | struct zserv *client = THREAD_ARG(thread); |
ccf3557b | 77 | |
719e9741 | 78 | client->t_write = NULL; |
79 | if (client->t_suicide) | |
ccf3557b | 80 | { |
719e9741 | 81 | zebra_client_close(client); |
82 | return -1; | |
ccf3557b | 83 | } |
719e9741 | 84 | switch (buffer_flush_available(client->wb, client->sock)) |
ccf3557b | 85 | { |
719e9741 | 86 | case BUFFER_ERROR: |
87 | zlog_warn("%s: buffer_flush_available failed on zserv client fd %d, " | |
88 | "closing", __func__, client->sock); | |
89 | zebra_client_close(client); | |
90 | break; | |
91 | case BUFFER_PENDING: | |
92 | client->t_write = thread_add_write(zebrad.master, zserv_flush_data, | |
93 | client, client->sock); | |
94 | break; | |
95 | case BUFFER_EMPTY: | |
96 | break; | |
ccf3557b | 97 | } |
04b02fda DS |
98 | |
99 | client->last_write_time = quagga_time(NULL); | |
719e9741 | 100 | return 0; |
101 | } | |
ccf3557b | 102 | |
fb018d25 | 103 | int |
719e9741 | 104 | zebra_server_send_message(struct zserv *client) |
105 | { | |
106 | if (client->t_suicide) | |
107 | return -1; | |
04b02fda DS |
108 | |
109 | stream_set_getp(client->obuf, 0); | |
110 | client->last_write_cmd = stream_getw_from(client->obuf, 4); | |
719e9741 | 111 | switch (buffer_write(client->wb, client->sock, STREAM_DATA(client->obuf), |
112 | stream_get_endp(client->obuf))) | |
113 | { | |
114 | case BUFFER_ERROR: | |
115 | zlog_warn("%s: buffer_write failed to zserv client fd %d, closing", | |
116 | __func__, client->sock); | |
117 | /* Schedule a delayed close since many of the functions that call this | |
118 | one do not check the return code. They do not allow for the | |
119 | possibility that an I/O error may have caused the client to be | |
120 | deleted. */ | |
121 | client->t_suicide = thread_add_event(zebrad.master, zserv_delayed_close, | |
122 | client, 0); | |
123 | return -1; | |
719e9741 | 124 | case BUFFER_EMPTY: |
125 | THREAD_OFF(client->t_write); | |
126 | break; | |
127 | case BUFFER_PENDING: | |
128 | THREAD_WRITE_ON(zebrad.master, client->t_write, | |
129 | zserv_flush_data, client, client->sock); | |
130 | break; | |
131 | } | |
04b02fda DS |
132 | |
133 | client->last_write_time = quagga_time(NULL); | |
ccf3557b | 134 | return 0; |
135 | } | |
136 | ||
fb018d25 | 137 | void |
7076bb2f | 138 | zserv_create_header (struct stream *s, uint16_t cmd, vrf_id_t vrf_id) |
c1b9800a | 139 | { |
140 | /* length placeholder, caller can update */ | |
141 | stream_putw (s, ZEBRA_HEADER_SIZE); | |
142 | stream_putc (s, ZEBRA_HEADER_MARKER); | |
143 | stream_putc (s, ZSERV_VERSION); | |
7076bb2f | 144 | stream_putw (s, vrf_id); |
c1b9800a | 145 | stream_putw (s, cmd); |
146 | } | |
147 | ||
51d4ef83 JB |
148 | static void |
149 | zserv_encode_interface (struct stream *s, struct interface *ifp) | |
150 | { | |
151 | /* Interface information. */ | |
152 | stream_put (s, ifp->name, INTERFACE_NAMSIZ); | |
153 | stream_putl (s, ifp->ifindex); | |
154 | stream_putc (s, ifp->status); | |
155 | stream_putq (s, ifp->flags); | |
244c1cdc DS |
156 | stream_putc (s, ifp->ptm_enable); |
157 | stream_putc (s, ifp->ptm_status); | |
51d4ef83 JB |
158 | stream_putl (s, ifp->metric); |
159 | stream_putl (s, ifp->mtu); | |
160 | stream_putl (s, ifp->mtu6); | |
161 | stream_putl (s, ifp->bandwidth); | |
162 | #ifdef HAVE_STRUCT_SOCKADDR_DL | |
ca3ccd87 | 163 | stream_put (s, &ifp->sdl, sizeof (ifp->sdl_storage)); |
51d4ef83 JB |
164 | #else |
165 | stream_putl (s, ifp->hw_addr_len); | |
166 | if (ifp->hw_addr_len) | |
167 | stream_put (s, ifp->hw_addr, ifp->hw_addr_len); | |
168 | #endif /* HAVE_STRUCT_SOCKADDR_DL */ | |
169 | ||
170 | /* Write packet size. */ | |
171 | stream_putw_at (s, 0, stream_get_endp (s)); | |
172 | } | |
173 | ||
12f6fb97 DS |
174 | static void |
175 | zserv_encode_vrf (struct stream *s, struct vrf *vrfp) | |
176 | { | |
177 | /* Interface information. */ | |
178 | stream_put (s, vrfp->name, VRF_NAMSIZ); | |
179 | ||
180 | /* Write packet size. */ | |
181 | stream_putw_at (s, 0, stream_get_endp (s)); | |
182 | } | |
183 | ||
718e3744 | 184 | /* Interface is added. Send ZEBRA_INTERFACE_ADD to client. */ |
b9df2d25 | 185 | /* |
186 | * This function is called in the following situations: | |
187 | * - in response to a 3-byte ZEBRA_INTERFACE_ADD request | |
188 | * from the client. | |
189 | * - at startup, when zebra figures out the available interfaces | |
190 | * - when an interface is added (where support for | |
191 | * RTM_IFANNOUNCE or AF_NETLINK sockets is available), or when | |
192 | * an interface is marked IFF_UP (i.e., an RTM_IFINFO message is | |
193 | * received) | |
194 | */ | |
718e3744 | 195 | int |
196 | zsend_interface_add (struct zserv *client, struct interface *ifp) | |
197 | { | |
198 | struct stream *s; | |
199 | ||
200 | /* Check this client need interface information. */ | |
7076bb2f | 201 | if (! vrf_bitmap_check (client->ifinfo, ifp->vrf_id)) |
719e9741 | 202 | return 0; |
718e3744 | 203 | |
204 | s = client->obuf; | |
205 | stream_reset (s); | |
206 | ||
7076bb2f | 207 | zserv_create_header (s, ZEBRA_INTERFACE_ADD, ifp->vrf_id); |
51d4ef83 | 208 | zserv_encode_interface (s, ifp); |
718e3744 | 209 | |
04b02fda | 210 | client->ifadd_cnt++; |
719e9741 | 211 | return zebra_server_send_message(client); |
718e3744 | 212 | } |
213 | ||
214 | /* Interface deletion from zebra daemon. */ | |
215 | int | |
216 | zsend_interface_delete (struct zserv *client, struct interface *ifp) | |
217 | { | |
218 | struct stream *s; | |
219 | ||
220 | /* Check this client need interface information. */ | |
7076bb2f | 221 | if (! vrf_bitmap_check (client->ifinfo, ifp->vrf_id)) |
719e9741 | 222 | return 0; |
718e3744 | 223 | |
224 | s = client->obuf; | |
225 | stream_reset (s); | |
718e3744 | 226 | |
7076bb2f | 227 | zserv_create_header (s, ZEBRA_INTERFACE_DELETE, ifp->vrf_id); |
51d4ef83 | 228 | zserv_encode_interface (s, ifp); |
718e3744 | 229 | |
04b02fda | 230 | client->ifdel_cnt++; |
719e9741 | 231 | return zebra_server_send_message (client); |
718e3744 | 232 | } |
233 | ||
12f6fb97 DS |
234 | int |
235 | zsend_vrf_add (struct zserv *client, struct vrf *vrfp) | |
236 | { | |
237 | struct stream *s; | |
238 | ||
239 | s = client->obuf; | |
240 | stream_reset (s); | |
241 | ||
242 | zserv_create_header (s, ZEBRA_VRF_ADD, vrfp->vrf_id); | |
243 | zserv_encode_vrf (s, vrfp); | |
244 | ||
245 | client->vrfadd_cnt++; | |
246 | return zebra_server_send_message(client); | |
247 | } | |
248 | ||
249 | /* VRF deletion from zebra daemon. */ | |
250 | int | |
251 | zsend_vrf_delete (struct zserv *client, struct vrf *vrfp) | |
252 | { | |
253 | struct stream *s; | |
254 | ||
255 | s = client->obuf; | |
256 | stream_reset (s); | |
257 | ||
258 | zserv_create_header (s, ZEBRA_VRF_DELETE, vrfp->vrf_id); | |
259 | zserv_encode_vrf (s, vrfp); | |
260 | ||
261 | client->vrfdel_cnt++; | |
262 | return zebra_server_send_message (client); | |
263 | } | |
264 | ||
b9df2d25 | 265 | /* Interface address is added/deleted. Send ZEBRA_INTERFACE_ADDRESS_ADD or |
266 | * ZEBRA_INTERFACE_ADDRESS_DELETE to the client. | |
267 | * | |
268 | * A ZEBRA_INTERFACE_ADDRESS_ADD is sent in the following situations: | |
269 | * - in response to a 3-byte ZEBRA_INTERFACE_ADD request | |
270 | * from the client, after the ZEBRA_INTERFACE_ADD has been | |
271 | * sent from zebra to the client | |
272 | * - redistribute new address info to all clients in the following situations | |
273 | * - at startup, when zebra figures out the available interfaces | |
274 | * - when an interface is added (where support for | |
275 | * RTM_IFANNOUNCE or AF_NETLINK sockets is available), or when | |
276 | * an interface is marked IFF_UP (i.e., an RTM_IFINFO message is | |
277 | * received) | |
278 | * - for the vty commands "ip address A.B.C.D/M [<secondary>|<label LINE>]" | |
279 | * and "no bandwidth <1-10000000>", "ipv6 address X:X::X:X/M" | |
280 | * - when an RTM_NEWADDR message is received from the kernel, | |
281 | * | |
282 | * The call tree that triggers ZEBRA_INTERFACE_ADDRESS_DELETE: | |
283 | * | |
284 | * zsend_interface_address(DELETE) | |
285 | * ^ | |
286 | * | | |
287 | * zebra_interface_address_delete_update | |
288 | * ^ ^ ^ | |
6eb8827d | 289 | * | | if_delete_update |
290 | * | | | |
b9df2d25 | 291 | * ip_address_uninstall connected_delete_ipv4 |
292 | * [ipv6_addresss_uninstall] [connected_delete_ipv6] | |
293 | * ^ ^ | |
294 | * | | | |
295 | * | RTM_NEWADDR on routing/netlink socket | |
296 | * | | |
297 | * vty commands: | |
298 | * "no ip address A.B.C.D/M [label LINE]" | |
299 | * "no ip address A.B.C.D/M secondary" | |
300 | * ["no ipv6 address X:X::X:X/M"] | |
301 | * | |
302 | */ | |
718e3744 | 303 | int |
b9df2d25 | 304 | zsend_interface_address (int cmd, struct zserv *client, |
305 | struct interface *ifp, struct connected *ifc) | |
718e3744 | 306 | { |
307 | int blen; | |
308 | struct stream *s; | |
309 | struct prefix *p; | |
310 | ||
311 | /* Check this client need interface information. */ | |
7076bb2f | 312 | if (! vrf_bitmap_check (client->ifinfo, ifp->vrf_id)) |
719e9741 | 313 | return 0; |
718e3744 | 314 | |
315 | s = client->obuf; | |
316 | stream_reset (s); | |
c1b9800a | 317 | |
7076bb2f | 318 | zserv_create_header (s, cmd, ifp->vrf_id); |
718e3744 | 319 | stream_putl (s, ifp->ifindex); |
320 | ||
321 | /* Interface address flag. */ | |
322 | stream_putc (s, ifc->flags); | |
323 | ||
324 | /* Prefix information. */ | |
325 | p = ifc->address; | |
326 | stream_putc (s, p->family); | |
327 | blen = prefix_blen (p); | |
328 | stream_put (s, &p->u.prefix, blen); | |
b9df2d25 | 329 | |
330 | /* | |
331 | * XXX gnu version does not send prefixlen for ZEBRA_INTERFACE_ADDRESS_DELETE | |
332 | * but zebra_interface_address_delete_read() in the gnu version | |
333 | * expects to find it | |
334 | */ | |
718e3744 | 335 | stream_putc (s, p->prefixlen); |
336 | ||
337 | /* Destination. */ | |
338 | p = ifc->destination; | |
339 | if (p) | |
340 | stream_put (s, &p->u.prefix, blen); | |
341 | else | |
342 | stream_put (s, NULL, blen); | |
343 | ||
344 | /* Write packet size. */ | |
345 | stream_putw_at (s, 0, stream_get_endp (s)); | |
346 | ||
04b02fda | 347 | client->connected_rt_add_cnt++; |
719e9741 | 348 | return zebra_server_send_message(client); |
718e3744 | 349 | } |
350 | ||
a80beece DS |
351 | static int |
352 | zsend_interface_nbr_address (int cmd, struct zserv *client, | |
353 | struct interface *ifp, struct nbr_connected *ifc) | |
354 | { | |
355 | int blen; | |
356 | struct stream *s; | |
357 | struct prefix *p; | |
358 | ||
359 | /* Check this client need interface information. */ | |
c8e264b6 | 360 | if (! vrf_bitmap_check (client->ifinfo, ifp->vrf_id)) |
a80beece DS |
361 | return 0; |
362 | ||
363 | s = client->obuf; | |
364 | stream_reset (s); | |
365 | ||
7076bb2f | 366 | zserv_create_header (s, cmd, ifp->vrf_id); |
a80beece DS |
367 | stream_putl (s, ifp->ifindex); |
368 | ||
369 | /* Prefix information. */ | |
370 | p = ifc->address; | |
371 | stream_putc (s, p->family); | |
372 | blen = prefix_blen (p); | |
373 | stream_put (s, &p->u.prefix, blen); | |
374 | ||
375 | /* | |
376 | * XXX gnu version does not send prefixlen for ZEBRA_INTERFACE_ADDRESS_DELETE | |
377 | * but zebra_interface_address_delete_read() in the gnu version | |
378 | * expects to find it | |
379 | */ | |
380 | stream_putc (s, p->prefixlen); | |
381 | ||
382 | /* Write packet size. */ | |
383 | stream_putw_at (s, 0, stream_get_endp (s)); | |
384 | ||
385 | return zebra_server_send_message(client); | |
386 | } | |
387 | ||
388 | /* Interface address addition. */ | |
389 | static void | |
390 | zebra_interface_nbr_address_add_update (struct interface *ifp, | |
391 | struct nbr_connected *ifc) | |
392 | { | |
393 | struct listnode *node, *nnode; | |
394 | struct zserv *client; | |
395 | struct prefix *p; | |
396 | ||
397 | if (IS_ZEBRA_DEBUG_EVENT) | |
398 | { | |
399 | char buf[INET6_ADDRSTRLEN]; | |
400 | ||
401 | p = ifc->address; | |
402 | zlog_debug ("MESSAGE: ZEBRA_INTERFACE_NBR_ADDRESS_ADD %s/%d on %s", | |
403 | inet_ntop (p->family, &p->u.prefix, buf, INET6_ADDRSTRLEN), | |
404 | p->prefixlen, ifc->ifp->name); | |
405 | } | |
406 | ||
407 | for (ALL_LIST_ELEMENTS (zebrad.client_list, node, nnode, client)) | |
408 | if (client->ifinfo) | |
409 | zsend_interface_nbr_address (ZEBRA_INTERFACE_NBR_ADDRESS_ADD, client, ifp, ifc); | |
410 | } | |
411 | ||
412 | /* Interface address deletion. */ | |
413 | static void | |
414 | zebra_interface_nbr_address_delete_update (struct interface *ifp, | |
415 | struct nbr_connected *ifc) | |
416 | { | |
417 | struct listnode *node, *nnode; | |
418 | struct zserv *client; | |
419 | struct prefix *p; | |
420 | ||
421 | if (IS_ZEBRA_DEBUG_EVENT) | |
422 | { | |
423 | char buf[INET6_ADDRSTRLEN]; | |
424 | ||
425 | p = ifc->address; | |
426 | zlog_debug ("MESSAGE: ZEBRA_INTERFACE_NBR_ADDRESS_DELETE %s/%d on %s", | |
427 | inet_ntop (p->family, &p->u.prefix, buf, INET6_ADDRSTRLEN), | |
428 | p->prefixlen, ifc->ifp->name); | |
429 | } | |
430 | ||
431 | for (ALL_LIST_ELEMENTS (zebrad.client_list, node, nnode, client)) | |
432 | if (client->ifinfo) | |
433 | zsend_interface_nbr_address (ZEBRA_INTERFACE_NBR_ADDRESS_DELETE, client, ifp, ifc); | |
434 | } | |
435 | ||
c8e264b6 | 436 | /* Send addresses on interface to client */ |
437 | int | |
438 | zsend_interface_addresses (struct zserv *client, struct interface *ifp) | |
439 | { | |
440 | struct listnode *cnode, *cnnode; | |
441 | struct connected *c; | |
442 | struct nbr_connected *nc; | |
443 | ||
444 | /* Send interface addresses. */ | |
445 | for (ALL_LIST_ELEMENTS (ifp->connected, cnode, cnnode, c)) | |
446 | { | |
447 | if (!CHECK_FLAG (c->conf, ZEBRA_IFC_REAL)) | |
448 | continue; | |
449 | ||
450 | if (zsend_interface_address (ZEBRA_INTERFACE_ADDRESS_ADD, client, | |
451 | ifp, c) < 0) | |
452 | return -1; | |
453 | } | |
454 | ||
455 | /* Send interface neighbors. */ | |
456 | for (ALL_LIST_ELEMENTS (ifp->nbr_connected, cnode, cnnode, nc)) | |
457 | { | |
458 | if (zsend_interface_nbr_address (ZEBRA_INTERFACE_NBR_ADDRESS_ADD, | |
459 | client, ifp, nc) < 0) | |
460 | return -1; | |
461 | } | |
462 | ||
463 | return 0; | |
464 | } | |
465 | ||
466 | /* Notify client about interface moving from one VRF to another. | |
467 | * Whether client is interested in old and new VRF is checked by caller. | |
468 | */ | |
469 | int | |
470 | zsend_interface_vrf_update (struct zserv *client, struct interface *ifp, | |
471 | vrf_id_t vrf_id) | |
472 | { | |
473 | struct stream *s; | |
474 | ||
475 | s = client->obuf; | |
476 | stream_reset (s); | |
477 | ||
478 | zserv_create_header (s, ZEBRA_INTERFACE_VRF_UPDATE, ifp->vrf_id); | |
479 | ||
480 | /* Fill in the ifIndex of the interface and its new VRF (id) */ | |
481 | stream_putl (s, ifp->ifindex); | |
482 | stream_putw (s, vrf_id); | |
483 | ||
484 | /* Write packet size. */ | |
485 | stream_putw_at (s, 0, stream_get_endp (s)); | |
486 | ||
487 | client->if_vrfchg_cnt++; | |
488 | return zebra_server_send_message(client); | |
489 | } | |
490 | ||
a80beece DS |
491 | /* Add new nbr connected IPv6 address if none exists already, or replace the |
492 | existing one if an ifc entry is found on the interface. */ | |
493 | void | |
494 | nbr_connected_replacement_add_ipv6 (struct interface *ifp, struct in6_addr *address, | |
495 | u_char prefixlen) | |
496 | { | |
497 | struct nbr_connected *ifc; | |
498 | struct prefix p; | |
499 | ||
500 | p.family = AF_INET6; | |
501 | IPV6_ADDR_COPY (&p.u.prefix, address); | |
502 | p.prefixlen = prefixlen; | |
503 | ||
504 | if (nbr_connected_check(ifp, &p)) | |
505 | return; | |
506 | ||
507 | if (!(ifc = listnode_head(ifp->nbr_connected))) | |
508 | { | |
509 | /* new addition */ | |
510 | ifc = nbr_connected_new (); | |
511 | ifc->address = prefix_new(); | |
512 | ifc->ifp = ifp; | |
513 | listnode_add (ifp->nbr_connected, ifc); | |
514 | } | |
515 | ||
516 | prefix_copy(ifc->address, &p); | |
517 | ||
518 | zebra_interface_nbr_address_add_update (ifp, ifc); | |
5c610faf DS |
519 | |
520 | if_nbr_ipv6ll_to_ipv4ll_neigh_update (ifp, address, 1); | |
a80beece DS |
521 | } |
522 | ||
523 | void | |
524 | nbr_connected_delete_ipv6 (struct interface *ifp, struct in6_addr *address, | |
525 | u_char prefixlen) | |
526 | { | |
527 | struct nbr_connected *ifc; | |
528 | struct prefix p; | |
529 | ||
530 | p.family = AF_INET6; | |
531 | IPV6_ADDR_COPY (&p.u.prefix, address); | |
532 | p.prefixlen = prefixlen; | |
533 | ||
534 | ifc = nbr_connected_check(ifp, &p); | |
535 | if (!ifc) | |
536 | return; | |
537 | ||
538 | listnode_delete (ifp->nbr_connected, ifc); | |
539 | ||
540 | zebra_interface_nbr_address_delete_update (ifp, ifc); | |
541 | ||
5c610faf DS |
542 | if_nbr_ipv6ll_to_ipv4ll_neigh_update (ifp, address, 0); |
543 | ||
a80beece DS |
544 | nbr_connected_free (ifc); |
545 | } | |
546 | ||
b9df2d25 | 547 | /* |
548 | * The cmd passed to zsend_interface_update may be ZEBRA_INTERFACE_UP or | |
549 | * ZEBRA_INTERFACE_DOWN. | |
550 | * | |
551 | * The ZEBRA_INTERFACE_UP message is sent from the zebra server to | |
552 | * the clients in one of 2 situations: | |
553 | * - an if_up is detected e.g., as a result of an RTM_IFINFO message | |
554 | * - a vty command modifying the bandwidth of an interface is received. | |
555 | * The ZEBRA_INTERFACE_DOWN message is sent when an if_down is detected. | |
556 | */ | |
718e3744 | 557 | int |
b9df2d25 | 558 | zsend_interface_update (int cmd, struct zserv *client, struct interface *ifp) |
718e3744 | 559 | { |
560 | struct stream *s; | |
561 | ||
562 | /* Check this client need interface information. */ | |
7076bb2f | 563 | if (! vrf_bitmap_check (client->ifinfo, ifp->vrf_id)) |
719e9741 | 564 | return 0; |
718e3744 | 565 | |
566 | s = client->obuf; | |
567 | stream_reset (s); | |
568 | ||
7076bb2f | 569 | zserv_create_header (s, cmd, ifp->vrf_id); |
51d4ef83 | 570 | zserv_encode_interface (s, ifp); |
718e3744 | 571 | |
04b02fda DS |
572 | if (cmd == ZEBRA_INTERFACE_UP) |
573 | client->ifup_cnt++; | |
574 | else | |
575 | client->ifdown_cnt++; | |
576 | ||
719e9741 | 577 | return zebra_server_send_message(client); |
718e3744 | 578 | } |
579 | ||
b9df2d25 | 580 | /* |
5048fe14 | 581 | * This is the new function to announce and withdraw redistributed routes, used |
582 | * by Zebra. This is the old zsend_route_multipath() function. That function | |
583 | * was duplicating code to send a lot of information that was essentially thrown | |
584 | * away or ignored by the receiver. This is the leaner function that is not a | |
585 | * duplicate of the zapi_ipv4_route_add/del. | |
b9df2d25 | 586 | * |
5048fe14 | 587 | * The primary difference is that this function merely sends a single NH instead of |
588 | * all the nexthops. | |
b9df2d25 | 589 | */ |
718e3744 | 590 | int |
5048fe14 | 591 | zsend_redistribute_route (int cmd, struct zserv *client, struct prefix *p, |
592 | struct rib *rib) | |
718e3744 | 593 | { |
594 | int psize; | |
595 | struct stream *s; | |
596 | struct nexthop *nexthop; | |
1dcb5172 | 597 | unsigned long nhnummark = 0, messmark = 0; |
b9df2d25 | 598 | int nhnum = 0; |
1dcb5172 | 599 | u_char zapi_flags = 0; |
5048fe14 | 600 | struct nexthop dummy_nh; |
601 | ||
7076bb2f FL |
602 | /* Came from VRF lib patch, is this really needed? callers of this routine |
603 | do check for redist.., so may be its not needed. | |
604 | Check this client need this route. | |
605 | if (!vrf_bitmap_check (client->redist[family2afi(p->family)][rib->type], | |
606 | rib->vrf_id) && | |
607 | !(is_default (p) && | |
608 | vrf_bitmap_check (client->redist_default, rib->vrf_id))) | |
609 | return 0; | |
610 | */ | |
611 | ||
718e3744 | 612 | s = client->obuf; |
613 | stream_reset (s); | |
5048fe14 | 614 | memset(&dummy_nh, 0, sizeof(struct nexthop)); |
615 | ||
7076bb2f FL |
616 | zserv_create_header (s, cmd, rib->vrf_id); |
617 | ||
c1b9800a | 618 | /* Put type and nexthop. */ |
718e3744 | 619 | stream_putc (s, rib->type); |
7c8ff89e | 620 | stream_putw (s, rib->instance); |
718e3744 | 621 | stream_putc (s, rib->flags); |
5048fe14 | 622 | |
1dcb5172 | 623 | /* marker for message flags field */ |
624 | messmark = stream_get_endp (s); | |
625 | stream_putc (s, 0); | |
718e3744 | 626 | |
627 | /* Prefix. */ | |
628 | psize = PSIZE (p->prefixlen); | |
629 | stream_putc (s, p->prefixlen); | |
b9df2d25 | 630 | stream_write (s, (u_char *) & p->u.prefix, psize); |
631 | ||
718e3744 | 632 | for (nexthop = rib->nexthop; nexthop; nexthop = nexthop->next) |
633 | { | |
5048fe14 | 634 | /* We don't send any nexthops when there's a multipath */ |
635 | if (rib->nexthop_active_num > 1) | |
636 | { | |
637 | SET_FLAG (zapi_flags, ZAPI_MESSAGE_NEXTHOP); | |
638 | SET_FLAG (zapi_flags, ZAPI_MESSAGE_IFINDEX); | |
639 | ||
640 | stream_putc(s, 1); | |
641 | if (p->family == AF_INET) | |
642 | { | |
643 | stream_put_in_addr (s, &dummy_nh.gate.ipv4); | |
644 | } | |
645 | else if (p->family == AF_INET6) | |
646 | { | |
647 | stream_write (s, (u_char *) &dummy_nh.gate.ipv6, 16); | |
648 | } | |
649 | else | |
650 | { | |
651 | /* We don't handle anything else now, abort */ | |
652 | zlog_err("%s: Unable to redistribute route of unknown family, %d\n", | |
653 | __func__, p->family); | |
654 | return -1; | |
655 | } | |
656 | stream_putc (s, 1); | |
657 | stream_putl (s, 0); /* dummy ifindex */ | |
658 | break; | |
659 | } | |
660 | ||
fa713d9e CF |
661 | if (CHECK_FLAG(nexthop->flags, NEXTHOP_FLAG_FIB) |
662 | || nexthop_has_fib_child(nexthop)) | |
b9df2d25 | 663 | { |
1dcb5172 | 664 | SET_FLAG (zapi_flags, ZAPI_MESSAGE_NEXTHOP); |
665 | SET_FLAG (zapi_flags, ZAPI_MESSAGE_IFINDEX); | |
1dcb5172 | 666 | if (nhnummark == 0) |
667 | { | |
668 | nhnummark = stream_get_endp (s); | |
669 | stream_putc (s, 1); /* placeholder */ | |
670 | } | |
b9df2d25 | 671 | nhnum++; |
672 | ||
673 | switch(nexthop->type) | |
674 | { | |
675 | case NEXTHOP_TYPE_IPV4: | |
676 | case NEXTHOP_TYPE_IPV4_IFINDEX: | |
677 | stream_put_in_addr (s, &nexthop->gate.ipv4); | |
678 | break; | |
b9df2d25 | 679 | case NEXTHOP_TYPE_IPV6: |
680 | case NEXTHOP_TYPE_IPV6_IFINDEX: | |
5048fe14 | 681 | /* Only BGP supports IPv4 prefix with IPv6 NH, so kill this */ |
682 | if (p->family == AF_INET) | |
683 | stream_put_in_addr(s, &dummy_nh.gate.ipv4); | |
684 | else | |
685 | stream_write (s, (u_char *) &nexthop->gate.ipv6, 16); | |
b9df2d25 | 686 | break; |
b9df2d25 | 687 | default: |
5048fe14 | 688 | if (cmd == ZEBRA_REDISTRIBUTE_IPV4_ADD |
689 | || cmd == ZEBRA_REDISTRIBUTE_IPV4_DEL) | |
b9df2d25 | 690 | { |
691 | struct in_addr empty; | |
44983cf8 | 692 | memset (&empty, 0, sizeof (struct in_addr)); |
b9df2d25 | 693 | stream_write (s, (u_char *) &empty, IPV4_MAX_BYTELEN); |
694 | } | |
695 | else | |
696 | { | |
697 | struct in6_addr empty; | |
698 | memset (&empty, 0, sizeof (struct in6_addr)); | |
699 | stream_write (s, (u_char *) &empty, IPV6_MAX_BYTELEN); | |
700 | } | |
701 | } | |
702 | ||
703 | /* Interface index. */ | |
704 | stream_putc (s, 1); | |
705 | stream_putl (s, nexthop->ifindex); | |
706 | ||
707 | break; | |
708 | } | |
718e3744 | 709 | } |
710 | ||
711 | /* Metric */ | |
5048fe14 | 712 | if (cmd == ZEBRA_REDISTRIBUTE_IPV4_ADD || cmd == ZEBRA_REDISTRIBUTE_IPV6_ADD) |
1dcb5172 | 713 | { |
fbf5d033 | 714 | SET_FLAG (zapi_flags, ZAPI_MESSAGE_DISTANCE); |
715 | stream_putc (s, rib->distance); | |
1dcb5172 | 716 | SET_FLAG (zapi_flags, ZAPI_MESSAGE_METRIC); |
717 | stream_putl (s, rib->metric); | |
0d9551dc DS |
718 | |
719 | /* tag */ | |
720 | if (rib->tag) | |
721 | { | |
722 | SET_FLAG(zapi_flags, ZAPI_MESSAGE_TAG); | |
723 | stream_putw(s, rib->tag); | |
724 | } | |
1dcb5172 | 725 | } |
5048fe14 | 726 | |
1dcb5172 | 727 | /* write real message flags value */ |
728 | stream_putc_at (s, messmark, zapi_flags); | |
5048fe14 | 729 | |
b9df2d25 | 730 | /* Write next-hop number */ |
731 | if (nhnummark) | |
c1eaa442 | 732 | stream_putc_at (s, nhnummark, nhnum); |
5048fe14 | 733 | |
718e3744 | 734 | /* Write packet size. */ |
735 | stream_putw_at (s, 0, stream_get_endp (s)); | |
736 | ||
719e9741 | 737 | return zebra_server_send_message(client); |
718e3744 | 738 | } |
739 | ||
b9df2d25 | 740 | #ifdef HAVE_IPV6 |
719e9741 | 741 | static int |
7076bb2f FL |
742 | zsend_ipv6_nexthop_lookup (struct zserv *client, struct in6_addr *addr, |
743 | vrf_id_t vrf_id) | |
718e3744 | 744 | { |
745 | struct stream *s; | |
746 | struct rib *rib; | |
747 | unsigned long nump; | |
748 | u_char num; | |
749 | struct nexthop *nexthop; | |
750 | ||
751 | /* Lookup nexthop. */ | |
7076bb2f | 752 | rib = rib_match_ipv6 (addr, vrf_id); |
718e3744 | 753 | |
754 | /* Get output stream. */ | |
755 | s = client->obuf; | |
756 | stream_reset (s); | |
757 | ||
758 | /* Fill in result. */ | |
7076bb2f | 759 | zserv_create_header (s, ZEBRA_IPV6_NEXTHOP_LOOKUP, vrf_id); |
718e3744 | 760 | stream_put (s, &addr, 16); |
761 | ||
762 | if (rib) | |
763 | { | |
764 | stream_putl (s, rib->metric); | |
765 | num = 0; | |
9985f83c | 766 | nump = stream_get_endp(s); |
718e3744 | 767 | stream_putc (s, 0); |
fa713d9e CF |
768 | /* Only non-recursive routes are elegible to resolve nexthop we |
769 | * are looking up. Therefore, we will just iterate over the top | |
770 | * chain of nexthops. */ | |
718e3744 | 771 | for (nexthop = rib->nexthop; nexthop; nexthop = nexthop->next) |
772 | if (CHECK_FLAG (nexthop->flags, NEXTHOP_FLAG_FIB)) | |
773 | { | |
774 | stream_putc (s, nexthop->type); | |
775 | switch (nexthop->type) | |
776 | { | |
777 | case ZEBRA_NEXTHOP_IPV6: | |
778 | stream_put (s, &nexthop->gate.ipv6, 16); | |
779 | break; | |
780 | case ZEBRA_NEXTHOP_IPV6_IFINDEX: | |
718e3744 | 781 | stream_put (s, &nexthop->gate.ipv6, 16); |
782 | stream_putl (s, nexthop->ifindex); | |
783 | break; | |
784 | case ZEBRA_NEXTHOP_IFINDEX: | |
718e3744 | 785 | stream_putl (s, nexthop->ifindex); |
786 | break; | |
fa2b17e3 | 787 | default: |
788 | /* do nothing */ | |
789 | break; | |
718e3744 | 790 | } |
791 | num++; | |
792 | } | |
793 | stream_putc_at (s, nump, num); | |
794 | } | |
795 | else | |
796 | { | |
797 | stream_putl (s, 0); | |
798 | stream_putc (s, 0); | |
799 | } | |
800 | ||
801 | stream_putw_at (s, 0, stream_get_endp (s)); | |
04b02fda | 802 | |
719e9741 | 803 | return zebra_server_send_message(client); |
718e3744 | 804 | } |
805 | #endif /* HAVE_IPV6 */ | |
806 | ||
b9df2d25 | 807 | static int |
7076bb2f FL |
808 | zsend_ipv4_nexthop_lookup (struct zserv *client, struct in_addr addr, |
809 | vrf_id_t vrf_id) | |
718e3744 | 810 | { |
811 | struct stream *s; | |
812 | struct rib *rib; | |
813 | unsigned long nump; | |
814 | u_char num; | |
815 | struct nexthop *nexthop; | |
816 | ||
817 | /* Lookup nexthop. */ | |
7076bb2f | 818 | rib = rib_match_ipv4 (addr, vrf_id); |
718e3744 | 819 | |
820 | /* Get output stream. */ | |
821 | s = client->obuf; | |
822 | stream_reset (s); | |
823 | ||
824 | /* Fill in result. */ | |
7076bb2f | 825 | zserv_create_header (s, ZEBRA_IPV4_NEXTHOP_LOOKUP, vrf_id); |
718e3744 | 826 | stream_put_in_addr (s, &addr); |
827 | ||
828 | if (rib) | |
829 | { | |
bb97e462 CF |
830 | if (IS_ZEBRA_DEBUG_PACKET && IS_ZEBRA_DEBUG_RECV) |
831 | zlog_debug("%s: Matching rib entry found.", __func__); | |
718e3744 | 832 | stream_putl (s, rib->metric); |
833 | num = 0; | |
9985f83c | 834 | nump = stream_get_endp(s); |
718e3744 | 835 | stream_putc (s, 0); |
fa713d9e CF |
836 | /* Only non-recursive routes are elegible to resolve the nexthop we |
837 | * are looking up. Therefore, we will just iterate over the top | |
838 | * chain of nexthops. */ | |
718e3744 | 839 | for (nexthop = rib->nexthop; nexthop; nexthop = nexthop->next) |
840 | if (CHECK_FLAG (nexthop->flags, NEXTHOP_FLAG_FIB)) | |
841 | { | |
842 | stream_putc (s, nexthop->type); | |
843 | switch (nexthop->type) | |
844 | { | |
845 | case ZEBRA_NEXTHOP_IPV4: | |
846 | stream_put_in_addr (s, &nexthop->gate.ipv4); | |
847 | break; | |
bb97e462 CF |
848 | case ZEBRA_NEXTHOP_IPV4_IFINDEX: |
849 | stream_put_in_addr (s, &nexthop->gate.ipv4); | |
850 | stream_putl (s, nexthop->ifindex); | |
851 | break; | |
718e3744 | 852 | case ZEBRA_NEXTHOP_IFINDEX: |
718e3744 | 853 | stream_putl (s, nexthop->ifindex); |
854 | break; | |
fa2b17e3 | 855 | default: |
856 | /* do nothing */ | |
857 | break; | |
718e3744 | 858 | } |
859 | num++; | |
860 | } | |
861 | stream_putc_at (s, nump, num); | |
862 | } | |
863 | else | |
864 | { | |
bb97e462 CF |
865 | if (IS_ZEBRA_DEBUG_PACKET && IS_ZEBRA_DEBUG_RECV) |
866 | zlog_debug("%s: No matching rib entry found.", __func__); | |
718e3744 | 867 | stream_putl (s, 0); |
868 | stream_putc (s, 0); | |
869 | } | |
870 | ||
871 | stream_putw_at (s, 0, stream_get_endp (s)); | |
872 | ||
719e9741 | 873 | return zebra_server_send_message(client); |
718e3744 | 874 | } |
875 | ||
fb018d25 DS |
876 | /* Nexthop register */ |
877 | static int | |
078430f6 | 878 | zserv_rnh_register (struct zserv *client, int sock, u_short length, |
7076bb2f | 879 | rnh_type_t type, vrf_id_t vrf_id) |
fb018d25 DS |
880 | { |
881 | struct rnh *rnh; | |
882 | struct stream *s; | |
883 | struct prefix p; | |
884 | u_short l = 0; | |
078430f6 | 885 | u_char flags = 0; |
fb018d25 DS |
886 | |
887 | if (IS_ZEBRA_DEBUG_NHT) | |
078430f6 DS |
888 | zlog_debug("rnh_register msg from client %s: length=%d, type=%s\n", |
889 | zebra_route_string(client->proto), length, | |
890 | (type == RNH_NEXTHOP_TYPE) ? "nexthop" : "route"); | |
fb018d25 DS |
891 | |
892 | s = client->ibuf; | |
893 | ||
078430f6 DS |
894 | client->nh_reg_time = quagga_time(NULL); |
895 | ||
fb018d25 DS |
896 | while (l < length) |
897 | { | |
078430f6 | 898 | flags = stream_getc(s); |
fb018d25 DS |
899 | p.family = stream_getw(s); |
900 | p.prefixlen = stream_getc(s); | |
fc9a856f | 901 | l += 4; |
078430f6 DS |
902 | if (p.family == AF_INET) |
903 | { | |
904 | p.u.prefix4.s_addr = stream_get_ipv4(s); | |
905 | l += IPV4_MAX_BYTELEN; | |
906 | } | |
907 | else if (p.family == AF_INET6) | |
908 | { | |
909 | stream_get(&p.u.prefix6, s, IPV6_MAX_BYTELEN); | |
910 | l += IPV6_MAX_BYTELEN; | |
911 | } | |
912 | else | |
913 | { | |
914 | zlog_err("rnh_register: Received unknown family type %d\n", | |
915 | p.family); | |
916 | return -1; | |
917 | } | |
12f6fb97 | 918 | rnh = zebra_add_rnh(&p, vrf_id, type); |
078430f6 DS |
919 | if (type == RNH_NEXTHOP_TYPE) |
920 | { | |
921 | if (flags && !CHECK_FLAG(rnh->flags, ZEBRA_NHT_CONNECTED)) | |
922 | SET_FLAG(rnh->flags, ZEBRA_NHT_CONNECTED); | |
923 | else if (!flags && CHECK_FLAG(rnh->flags, ZEBRA_NHT_CONNECTED)) | |
924 | UNSET_FLAG(rnh->flags, ZEBRA_NHT_CONNECTED); | |
925 | } | |
926 | else if (type == RNH_IMPORT_CHECK_TYPE) | |
927 | { | |
928 | if (flags && !CHECK_FLAG(rnh->flags, ZEBRA_NHT_EXACT_MATCH)) | |
929 | SET_FLAG(rnh->flags, ZEBRA_NHT_EXACT_MATCH); | |
930 | else if (!flags && CHECK_FLAG(rnh->flags, ZEBRA_NHT_EXACT_MATCH)) | |
931 | UNSET_FLAG(rnh->flags, ZEBRA_NHT_EXACT_MATCH); | |
932 | } | |
933 | ||
7076bb2f | 934 | zebra_add_rnh_client(rnh, client, type, vrf_id); |
078430f6 | 935 | /* Anything not AF_INET/INET6 has been filtered out above */ |
12f6fb97 | 936 | zebra_evaluate_rnh(vrf_id, p.family, 1, type, &p); |
fb018d25 | 937 | } |
fb018d25 DS |
938 | return 0; |
939 | } | |
940 | ||
941 | /* Nexthop register */ | |
942 | static int | |
078430f6 | 943 | zserv_rnh_unregister (struct zserv *client, int sock, u_short length, |
12f6fb97 | 944 | rnh_type_t type, vrf_id_t vrf_id) |
fb018d25 DS |
945 | { |
946 | struct rnh *rnh; | |
947 | struct stream *s; | |
948 | struct prefix p; | |
949 | u_short l = 0; | |
950 | ||
951 | if (IS_ZEBRA_DEBUG_NHT) | |
078430f6 | 952 | zlog_debug("rnh_unregister msg from client %s: length=%d\n", |
fb018d25 DS |
953 | zebra_route_string(client->proto), length); |
954 | ||
955 | s = client->ibuf; | |
956 | ||
957 | while (l < length) | |
958 | { | |
4e3afb14 | 959 | (void)stream_getc(s); //Connected or not. Not used in this function |
fb018d25 DS |
960 | p.family = stream_getw(s); |
961 | p.prefixlen = stream_getc(s); | |
fc9a856f | 962 | l += 4; |
078430f6 DS |
963 | if (p.family == AF_INET) |
964 | { | |
965 | p.u.prefix4.s_addr = stream_get_ipv4(s); | |
966 | l += IPV4_MAX_BYTELEN; | |
967 | } | |
968 | else if (p.family == AF_INET6) | |
969 | { | |
970 | stream_get(&p.u.prefix6, s, IPV6_MAX_BYTELEN); | |
971 | l += IPV6_MAX_BYTELEN; | |
972 | } | |
973 | else | |
974 | { | |
975 | zlog_err("rnh_register: Received unknown family type %d\n", | |
976 | p.family); | |
977 | return -1; | |
978 | } | |
12f6fb97 | 979 | rnh = zebra_lookup_rnh(&p, vrf_id, type); |
fb018d25 | 980 | if (rnh) |
04b02fda DS |
981 | { |
982 | client->nh_dereg_time = quagga_time(NULL); | |
078430f6 | 983 | zebra_remove_rnh_client(rnh, client, type); |
04b02fda | 984 | } |
fb018d25 DS |
985 | } |
986 | return 0; | |
987 | } | |
988 | ||
b9df2d25 | 989 | static int |
7076bb2f FL |
990 | zsend_ipv4_import_lookup (struct zserv *client, struct prefix_ipv4 *p, |
991 | vrf_id_t vrf_id) | |
718e3744 | 992 | { |
993 | struct stream *s; | |
994 | struct rib *rib; | |
995 | unsigned long nump; | |
996 | u_char num; | |
997 | struct nexthop *nexthop; | |
998 | ||
999 | /* Lookup nexthop. */ | |
7076bb2f | 1000 | rib = rib_lookup_ipv4 (p, vrf_id); |
718e3744 | 1001 | |
1002 | /* Get output stream. */ | |
1003 | s = client->obuf; | |
1004 | stream_reset (s); | |
1005 | ||
1006 | /* Fill in result. */ | |
7076bb2f | 1007 | zserv_create_header (s, ZEBRA_IPV4_IMPORT_LOOKUP, vrf_id); |
718e3744 | 1008 | stream_put_in_addr (s, &p->prefix); |
1009 | ||
1010 | if (rib) | |
1011 | { | |
1012 | stream_putl (s, rib->metric); | |
1013 | num = 0; | |
9985f83c | 1014 | nump = stream_get_endp(s); |
718e3744 | 1015 | stream_putc (s, 0); |
1016 | for (nexthop = rib->nexthop; nexthop; nexthop = nexthop->next) | |
fa713d9e CF |
1017 | if (CHECK_FLAG(nexthop->flags, NEXTHOP_FLAG_FIB) |
1018 | || nexthop_has_fib_child(nexthop)) | |
718e3744 | 1019 | { |
1020 | stream_putc (s, nexthop->type); | |
1021 | switch (nexthop->type) | |
1022 | { | |
1023 | case ZEBRA_NEXTHOP_IPV4: | |
1024 | stream_put_in_addr (s, &nexthop->gate.ipv4); | |
1025 | break; | |
a12afd5e CF |
1026 | case ZEBRA_NEXTHOP_IPV4_IFINDEX: |
1027 | stream_put_in_addr (s, &nexthop->gate.ipv4); | |
1028 | stream_putl (s, nexthop->ifindex); | |
1029 | break; | |
718e3744 | 1030 | case ZEBRA_NEXTHOP_IFINDEX: |
718e3744 | 1031 | stream_putl (s, nexthop->ifindex); |
1032 | break; | |
fa2b17e3 | 1033 | default: |
1034 | /* do nothing */ | |
1035 | break; | |
718e3744 | 1036 | } |
1037 | num++; | |
1038 | } | |
1039 | stream_putc_at (s, nump, num); | |
1040 | } | |
1041 | else | |
1042 | { | |
1043 | stream_putl (s, 0); | |
1044 | stream_putc (s, 0); | |
1045 | } | |
1046 | ||
1047 | stream_putw_at (s, 0, stream_get_endp (s)); | |
04b02fda | 1048 | |
719e9741 | 1049 | return zebra_server_send_message(client); |
718e3744 | 1050 | } |
6b0655a2 | 1051 | |
18a6dce6 | 1052 | /* Router-id is updated. Send ZEBRA_ROUTER_ID_ADD to client. */ |
1053 | int | |
c6ffe645 FL |
1054 | zsend_router_id_update (struct zserv *client, struct prefix *p, |
1055 | vrf_id_t vrf_id) | |
18a6dce6 | 1056 | { |
1057 | struct stream *s; | |
1058 | int blen; | |
1059 | ||
1060 | /* Check this client need interface information. */ | |
7076bb2f | 1061 | if (! vrf_bitmap_check (client->ridinfo, vrf_id)) |
719e9741 | 1062 | return 0; |
18a6dce6 | 1063 | |
1064 | s = client->obuf; | |
1065 | stream_reset (s); | |
1066 | ||
18a6dce6 | 1067 | /* Message type. */ |
7076bb2f | 1068 | zserv_create_header (s, ZEBRA_ROUTER_ID_UPDATE, vrf_id); |
18a6dce6 | 1069 | |
1070 | /* Prefix information. */ | |
1071 | stream_putc (s, p->family); | |
1072 | blen = prefix_blen (p); | |
1073 | stream_put (s, &p->u.prefix, blen); | |
1074 | stream_putc (s, p->prefixlen); | |
1075 | ||
1076 | /* Write packet size. */ | |
1077 | stream_putw_at (s, 0, stream_get_endp (s)); | |
1078 | ||
719e9741 | 1079 | return zebra_server_send_message(client); |
18a6dce6 | 1080 | } |
6b0655a2 | 1081 | |
718e3744 | 1082 | /* Register zebra server interface information. Send current all |
1083 | interface and address information. */ | |
719e9741 | 1084 | static int |
7076bb2f | 1085 | zread_interface_add (struct zserv *client, u_short length, vrf_id_t vrf_id) |
718e3744 | 1086 | { |
1eb8ef25 | 1087 | struct listnode *ifnode, *ifnnode; |
718e3744 | 1088 | struct interface *ifp; |
718e3744 | 1089 | |
1090 | /* Interface information is needed. */ | |
7076bb2f | 1091 | vrf_bitmap_set (client->ifinfo, vrf_id); |
718e3744 | 1092 | |
7076bb2f | 1093 | for (ALL_LIST_ELEMENTS (vrf_iflist (vrf_id), ifnode, ifnnode, ifp)) |
718e3744 | 1094 | { |
718e3744 | 1095 | /* Skip pseudo interface. */ |
1096 | if (! CHECK_FLAG (ifp->status, ZEBRA_INTERFACE_ACTIVE)) | |
1097 | continue; | |
1098 | ||
719e9741 | 1099 | if (zsend_interface_add (client, ifp) < 0) |
1100 | return -1; | |
718e3744 | 1101 | |
c8e264b6 | 1102 | if (zsend_interface_addresses (client, ifp) < 0) |
1103 | return -1; | |
718e3744 | 1104 | } |
719e9741 | 1105 | return 0; |
718e3744 | 1106 | } |
1107 | ||
1108 | /* Unregister zebra server interface information. */ | |
719e9741 | 1109 | static int |
7076bb2f | 1110 | zread_interface_delete (struct zserv *client, u_short length, vrf_id_t vrf_id) |
718e3744 | 1111 | { |
7076bb2f | 1112 | vrf_bitmap_unset (client->ifinfo, vrf_id); |
719e9741 | 1113 | return 0; |
718e3744 | 1114 | } |
1115 | ||
6878b9db DS |
1116 | void |
1117 | zserv_nexthop_num_warn (const char *caller, const struct prefix *p, const u_char nexthop_num) | |
1118 | { | |
7c5d2b76 | 1119 | if (nexthop_num > MULTIPATH_NUM) |
6878b9db | 1120 | { |
4690c7d7 DS |
1121 | char buff[PREFIX2STR_BUFFER]; |
1122 | prefix2str(p, buff, sizeof (buff)); | |
6878b9db DS |
1123 | zlog_warn("%s: Prefix %s has %d nexthops, but we can only use the first %d", |
1124 | caller, buff, nexthop_num, MULTIPATH_NUM); | |
1125 | } | |
1126 | } | |
1127 | ||
718e3744 | 1128 | /* This function support multiple nexthop. */ |
b9df2d25 | 1129 | /* |
1130 | * Parse the ZEBRA_IPV4_ROUTE_ADD sent from client. Update rib and | |
1131 | * add kernel route. | |
1132 | */ | |
719e9741 | 1133 | static int |
7076bb2f | 1134 | zread_ipv4_add (struct zserv *client, u_short length, vrf_id_t vrf_id) |
718e3744 | 1135 | { |
1136 | int i; | |
1137 | struct rib *rib; | |
1138 | struct prefix_ipv4 p; | |
1139 | u_char message; | |
1140 | struct in_addr nexthop; | |
1141 | u_char nexthop_num; | |
1142 | u_char nexthop_type; | |
1143 | struct stream *s; | |
1144 | unsigned int ifindex; | |
d44ca835 | 1145 | safi_t safi; |
04b02fda | 1146 | int ret; |
718e3744 | 1147 | |
1148 | /* Get input stream. */ | |
1149 | s = client->ibuf; | |
1150 | ||
1151 | /* Allocate new rib. */ | |
4d38fdb4 | 1152 | rib = XCALLOC (MTYPE_RIB, sizeof (struct rib)); |
1153 | ||
718e3744 | 1154 | /* Type, flags, message. */ |
1155 | rib->type = stream_getc (s); | |
7c8ff89e | 1156 | rib->instance = stream_getw (s); |
718e3744 | 1157 | rib->flags = stream_getc (s); |
b9df2d25 | 1158 | message = stream_getc (s); |
cddf391b | 1159 | safi = stream_getw (s); |
718e3744 | 1160 | rib->uptime = time (NULL); |
1161 | ||
1162 | /* IPv4 prefix. */ | |
1163 | memset (&p, 0, sizeof (struct prefix_ipv4)); | |
1164 | p.family = AF_INET; | |
1165 | p.prefixlen = stream_getc (s); | |
1166 | stream_get (&p.prefix, s, PSIZE (p.prefixlen)); | |
1167 | ||
78104b9b | 1168 | /* VRF ID */ |
7076bb2f | 1169 | rib->vrf_id = vrf_id; |
78104b9b | 1170 | |
718e3744 | 1171 | /* Nexthop parse. */ |
1172 | if (CHECK_FLAG (message, ZAPI_MESSAGE_NEXTHOP)) | |
1173 | { | |
1174 | nexthop_num = stream_getc (s); | |
6878b9db | 1175 | zserv_nexthop_num_warn(__func__, (const struct prefix *)&p, nexthop_num); |
718e3744 | 1176 | |
1177 | for (i = 0; i < nexthop_num; i++) | |
1178 | { | |
1179 | nexthop_type = stream_getc (s); | |
1180 | ||
1181 | switch (nexthop_type) | |
1182 | { | |
1183 | case ZEBRA_NEXTHOP_IFINDEX: | |
1184 | ifindex = stream_getl (s); | |
a399694f | 1185 | rib_nexthop_ifindex_add (rib, ifindex); |
718e3744 | 1186 | break; |
718e3744 | 1187 | case ZEBRA_NEXTHOP_IPV4: |
1188 | nexthop.s_addr = stream_get_ipv4 (s); | |
a399694f | 1189 | rib_nexthop_ipv4_add (rib, &nexthop, NULL); |
718e3744 | 1190 | break; |
c963c203 JT |
1191 | case ZEBRA_NEXTHOP_IPV4_IFINDEX: |
1192 | nexthop.s_addr = stream_get_ipv4 (s); | |
1193 | ifindex = stream_getl (s); | |
a399694f | 1194 | rib_nexthop_ipv4_ifindex_add (rib, &nexthop, NULL, ifindex); |
c963c203 | 1195 | break; |
718e3744 | 1196 | case ZEBRA_NEXTHOP_IPV6: |
9985f83c | 1197 | stream_forward_getp (s, IPV6_MAX_BYTELEN); |
718e3744 | 1198 | break; |
6902c69a | 1199 | case ZEBRA_NEXTHOP_BLACKHOLE: |
a399694f | 1200 | rib_nexthop_blackhole_add (rib); |
6902c69a SV |
1201 | break; |
1202 | } | |
718e3744 | 1203 | } |
1204 | } | |
1205 | ||
1206 | /* Distance. */ | |
1207 | if (CHECK_FLAG (message, ZAPI_MESSAGE_DISTANCE)) | |
1208 | rib->distance = stream_getc (s); | |
1209 | ||
1210 | /* Metric. */ | |
1211 | if (CHECK_FLAG (message, ZAPI_MESSAGE_METRIC)) | |
1212 | rib->metric = stream_getl (s); | |
1213 | ||
0d9551dc DS |
1214 | /* Tag */ |
1215 | if (CHECK_FLAG (message, ZAPI_MESSAGE_TAG)) | |
1216 | rib->tag = stream_getw (s); | |
1217 | else | |
1218 | rib->tag = 0; | |
1219 | ||
171eee31 | 1220 | /* Table */ |
12f6fb97 DS |
1221 | if (vrf_id) |
1222 | { | |
1223 | struct zebra_vrf *zvrf; | |
1224 | ||
1225 | zvrf = vrf_info_lookup (vrf_id); | |
1226 | if (zvrf) | |
1227 | rib->table = zvrf->table_id; | |
1228 | } | |
1229 | else | |
1230 | { | |
1231 | rib->table=zebrad.rtm_table_default; | |
1232 | } | |
04b02fda DS |
1233 | ret = rib_add_ipv4_multipath (&p, rib, safi); |
1234 | ||
1235 | /* Stats */ | |
1236 | if (ret > 0) | |
1237 | client->v4_route_add_cnt++; | |
1238 | else if (ret < 0) | |
1239 | client->v4_route_upd8_cnt++; | |
719e9741 | 1240 | return 0; |
718e3744 | 1241 | } |
1242 | ||
1243 | /* Zebra server IPv4 prefix delete function. */ | |
719e9741 | 1244 | static int |
7076bb2f | 1245 | zread_ipv4_delete (struct zserv *client, u_short length, vrf_id_t vrf_id) |
718e3744 | 1246 | { |
1247 | int i; | |
1248 | struct stream *s; | |
1249 | struct zapi_ipv4 api; | |
6902c69a | 1250 | struct in_addr nexthop, *nexthop_p; |
718e3744 | 1251 | unsigned long ifindex; |
1252 | struct prefix_ipv4 p; | |
1253 | u_char nexthop_num; | |
1254 | u_char nexthop_type; | |
12f6fb97 | 1255 | u_int32_t table_id; |
718e3744 | 1256 | |
12f6fb97 DS |
1257 | table_id = client->rtm_table; |
1258 | ||
718e3744 | 1259 | s = client->ibuf; |
1260 | ifindex = 0; | |
1261 | nexthop.s_addr = 0; | |
6902c69a | 1262 | nexthop_p = NULL; |
718e3744 | 1263 | |
1264 | /* Type, flags, message. */ | |
1265 | api.type = stream_getc (s); | |
7c8ff89e | 1266 | api.instance = stream_getw (s); |
718e3744 | 1267 | api.flags = stream_getc (s); |
1268 | api.message = stream_getc (s); | |
cddf391b | 1269 | api.safi = stream_getw (s); |
718e3744 | 1270 | |
1271 | /* IPv4 prefix. */ | |
1272 | memset (&p, 0, sizeof (struct prefix_ipv4)); | |
1273 | p.family = AF_INET; | |
1274 | p.prefixlen = stream_getc (s); | |
1275 | stream_get (&p.prefix, s, PSIZE (p.prefixlen)); | |
1276 | ||
1277 | /* Nexthop, ifindex, distance, metric. */ | |
1278 | if (CHECK_FLAG (api.message, ZAPI_MESSAGE_NEXTHOP)) | |
1279 | { | |
1280 | nexthop_num = stream_getc (s); | |
1281 | ||
1282 | for (i = 0; i < nexthop_num; i++) | |
1283 | { | |
1284 | nexthop_type = stream_getc (s); | |
1285 | ||
1286 | switch (nexthop_type) | |
1287 | { | |
1288 | case ZEBRA_NEXTHOP_IFINDEX: | |
1289 | ifindex = stream_getl (s); | |
1290 | break; | |
718e3744 | 1291 | case ZEBRA_NEXTHOP_IPV4: |
1292 | nexthop.s_addr = stream_get_ipv4 (s); | |
6902c69a | 1293 | nexthop_p = &nexthop; |
718e3744 | 1294 | break; |
c963c203 JT |
1295 | case ZEBRA_NEXTHOP_IPV4_IFINDEX: |
1296 | nexthop.s_addr = stream_get_ipv4 (s); | |
23f5f7c3 | 1297 | nexthop_p = &nexthop; |
c963c203 JT |
1298 | ifindex = stream_getl (s); |
1299 | break; | |
718e3744 | 1300 | case ZEBRA_NEXTHOP_IPV6: |
9985f83c | 1301 | stream_forward_getp (s, IPV6_MAX_BYTELEN); |
718e3744 | 1302 | break; |
1303 | } | |
1304 | } | |
1305 | } | |
1306 | ||
1307 | /* Distance. */ | |
1308 | if (CHECK_FLAG (api.message, ZAPI_MESSAGE_DISTANCE)) | |
1309 | api.distance = stream_getc (s); | |
1310 | else | |
1311 | api.distance = 0; | |
1312 | ||
1313 | /* Metric. */ | |
1314 | if (CHECK_FLAG (api.message, ZAPI_MESSAGE_METRIC)) | |
1315 | api.metric = stream_getl (s); | |
1316 | else | |
1317 | api.metric = 0; | |
1318 | ||
0d9551dc DS |
1319 | /* tag */ |
1320 | if (CHECK_FLAG (api.message, ZAPI_MESSAGE_TAG)) | |
1321 | api.tag = stream_getw (s); | |
1322 | else | |
1323 | api.tag = 0; | |
1324 | ||
12f6fb97 DS |
1325 | if (vrf_id) |
1326 | { | |
1327 | struct zebra_vrf *zvrf; | |
1328 | ||
1329 | zvrf = vrf_info_lookup (vrf_id); | |
1330 | if (zvrf) | |
1331 | table_id = zvrf->table_id; | |
1332 | } | |
1333 | else | |
1334 | { | |
1335 | table_id = client->rtm_table; | |
1336 | } | |
1337 | ||
7c8ff89e | 1338 | rib_delete_ipv4 (api.type, api.instance, api.flags, &p, nexthop_p, ifindex, |
12f6fb97 | 1339 | vrf_id, table_id, api.safi); |
04b02fda | 1340 | client->v4_route_del_cnt++; |
719e9741 | 1341 | return 0; |
718e3744 | 1342 | } |
1343 | ||
1344 | /* Nexthop lookup for IPv4. */ | |
719e9741 | 1345 | static int |
7076bb2f FL |
1346 | zread_ipv4_nexthop_lookup (struct zserv *client, u_short length, |
1347 | vrf_id_t vrf_id) | |
718e3744 | 1348 | { |
1349 | struct in_addr addr; | |
bb97e462 | 1350 | char buf[BUFSIZ]; |
718e3744 | 1351 | |
1352 | addr.s_addr = stream_get_ipv4 (client->ibuf); | |
bb97e462 CF |
1353 | if (IS_ZEBRA_DEBUG_PACKET && IS_ZEBRA_DEBUG_RECV) |
1354 | zlog_debug("%s: looking up %s", __func__, | |
1355 | inet_ntop (AF_INET, &addr, buf, BUFSIZ)); | |
7076bb2f | 1356 | return zsend_ipv4_nexthop_lookup (client, addr, vrf_id); |
718e3744 | 1357 | } |
1358 | ||
1359 | /* Nexthop lookup for IPv4. */ | |
719e9741 | 1360 | static int |
7076bb2f FL |
1361 | zread_ipv4_import_lookup (struct zserv *client, u_short length, |
1362 | vrf_id_t vrf_id) | |
718e3744 | 1363 | { |
1364 | struct prefix_ipv4 p; | |
1365 | ||
1366 | p.family = AF_INET; | |
1367 | p.prefixlen = stream_getc (client->ibuf); | |
1368 | p.prefix.s_addr = stream_get_ipv4 (client->ibuf); | |
1369 | ||
7076bb2f | 1370 | return zsend_ipv4_import_lookup (client, &p, vrf_id); |
718e3744 | 1371 | } |
1372 | ||
1373 | #ifdef HAVE_IPV6 | |
8a92a8a0 DS |
1374 | /* Zebra server IPv6 prefix add function. */ |
1375 | static int | |
12f6fb97 | 1376 | zread_ipv4_route_ipv6_nexthop_add (struct zserv *client, u_short length, vrf_id_t vrf_id) |
8a92a8a0 DS |
1377 | { |
1378 | int i; | |
1379 | struct stream *s; | |
1380 | struct in6_addr nexthop; | |
1381 | struct rib *rib; | |
1382 | u_char message; | |
1383 | u_char nexthop_num; | |
1384 | u_char nexthop_type; | |
1385 | unsigned long ifindex; | |
1386 | struct prefix_ipv4 p; | |
8a92a8a0 DS |
1387 | safi_t safi; |
1388 | static struct in6_addr nexthops[MULTIPATH_NUM]; | |
1389 | static unsigned int ifindices[MULTIPATH_NUM]; | |
1390 | int ret; | |
1391 | ||
1392 | /* Get input stream. */ | |
1393 | s = client->ibuf; | |
1394 | ||
1395 | ifindex = 0; | |
1396 | memset (&nexthop, 0, sizeof (struct in6_addr)); | |
1397 | ||
1398 | /* Allocate new rib. */ | |
1399 | rib = XCALLOC (MTYPE_RIB, sizeof (struct rib)); | |
1400 | ||
1401 | /* Type, flags, message. */ | |
1402 | rib->type = stream_getc (s); | |
1403 | rib->instance = stream_getw (s); | |
1404 | rib->flags = stream_getc (s); | |
1405 | message = stream_getc (s); | |
1406 | safi = stream_getw (s); | |
1407 | rib->uptime = time (NULL); | |
1408 | ||
1409 | /* IPv4 prefix. */ | |
1410 | memset (&p, 0, sizeof (struct prefix_ipv4)); | |
1411 | p.family = AF_INET; | |
1412 | p.prefixlen = stream_getc (s); | |
1413 | stream_get (&p.prefix, s, PSIZE (p.prefixlen)); | |
1414 | ||
1415 | /* We need to give nh-addr, nh-ifindex with the same next-hop object | |
1416 | * to the rib to ensure that IPv6 multipathing works; need to coalesce | |
1417 | * these. Clients should send the same number of paired set of | |
1418 | * next-hop-addr/next-hop-ifindices. */ | |
1419 | if (CHECK_FLAG (message, ZAPI_MESSAGE_NEXTHOP)) | |
1420 | { | |
1421 | int nh_count = 0; | |
1422 | int if_count = 0; | |
1423 | int max_nh_if = 0; | |
1424 | ||
1425 | nexthop_num = stream_getc (s); | |
6878b9db | 1426 | zserv_nexthop_num_warn(__func__, (const struct prefix *)&p, nexthop_num); |
8a92a8a0 DS |
1427 | for (i = 0; i < nexthop_num; i++) |
1428 | { | |
1429 | nexthop_type = stream_getc (s); | |
1430 | ||
1431 | switch (nexthop_type) | |
1432 | { | |
1433 | case ZEBRA_NEXTHOP_IPV6: | |
1434 | stream_get (&nexthop, s, 16); | |
1435 | if (nh_count < MULTIPATH_NUM) { | |
1436 | nexthops[nh_count++] = nexthop; | |
1437 | } | |
1438 | break; | |
1439 | case ZEBRA_NEXTHOP_IFINDEX: | |
1440 | if (if_count < MULTIPATH_NUM) { | |
1441 | ifindices[if_count++] = stream_getl (s); | |
1442 | } | |
1443 | break; | |
1444 | case ZEBRA_NEXTHOP_BLACKHOLE: | |
a399694f | 1445 | rib_nexthop_blackhole_add (rib); |
8a92a8a0 DS |
1446 | break; |
1447 | } | |
1448 | } | |
1449 | ||
1450 | max_nh_if = (nh_count > if_count) ? nh_count : if_count; | |
1451 | for (i = 0; i < max_nh_if; i++) | |
1452 | { | |
1453 | if ((i < nh_count) && !IN6_IS_ADDR_UNSPECIFIED (&nexthops[i])) { | |
1454 | if ((i < if_count) && ifindices[i]) { | |
a399694f | 1455 | rib_nexthop_ipv6_ifindex_add (rib, &nexthops[i], ifindices[i]); |
8a92a8a0 DS |
1456 | } |
1457 | else { | |
a399694f | 1458 | rib_nexthop_ipv6_add (rib, &nexthops[i]); |
8a92a8a0 DS |
1459 | } |
1460 | } | |
1461 | else { | |
1462 | if ((i < if_count) && ifindices[i]) { | |
a399694f | 1463 | rib_nexthop_ifindex_add (rib, ifindices[i]); |
8a92a8a0 DS |
1464 | } |
1465 | } | |
1466 | } | |
1467 | } | |
1468 | ||
1469 | /* Distance. */ | |
1470 | if (CHECK_FLAG (message, ZAPI_MESSAGE_DISTANCE)) | |
1471 | rib->distance = stream_getc (s); | |
1472 | ||
1473 | /* Metric. */ | |
1474 | if (CHECK_FLAG (message, ZAPI_MESSAGE_METRIC)) | |
1475 | rib->metric = stream_getl (s); | |
1476 | ||
1477 | /* Tag */ | |
1478 | if (CHECK_FLAG (message, ZAPI_MESSAGE_TAG)) | |
1479 | rib->tag = stream_getw (s); | |
1480 | else | |
1481 | rib->tag = 0; | |
1482 | ||
1483 | /* Table */ | |
12f6fb97 DS |
1484 | if (vrf_id) |
1485 | { | |
1486 | struct zebra_vrf *zvrf; | |
1487 | ||
1488 | zvrf = vrf_info_lookup (vrf_id); | |
1489 | if (zvrf) | |
1490 | rib->table = zvrf->table_id; | |
1491 | } | |
1492 | else | |
1493 | { | |
1494 | rib->table=zebrad.rtm_table_default; | |
1495 | } | |
8a92a8a0 DS |
1496 | ret = rib_add_ipv6_multipath ((struct prefix *)&p, rib, safi, ifindex); |
1497 | /* Stats */ | |
1498 | if (ret > 0) | |
1499 | client->v4_route_add_cnt++; | |
1500 | else if (ret < 0) | |
1501 | client->v4_route_upd8_cnt++; | |
1502 | ||
1503 | return 0; | |
1504 | } | |
1505 | ||
719e9741 | 1506 | static int |
7076bb2f | 1507 | zread_ipv6_add (struct zserv *client, u_short length, vrf_id_t vrf_id) |
718e3744 | 1508 | { |
1509 | int i; | |
1510 | struct stream *s; | |
718e3744 | 1511 | struct in6_addr nexthop; |
41fc2714 DS |
1512 | struct rib *rib; |
1513 | u_char message; | |
1514 | u_char nexthop_num; | |
1515 | u_char nexthop_type; | |
718e3744 | 1516 | unsigned long ifindex; |
1517 | struct prefix_ipv6 p; | |
41fc2714 DS |
1518 | safi_t safi; |
1519 | static struct in6_addr nexthops[MULTIPATH_NUM]; | |
1520 | static unsigned int ifindices[MULTIPATH_NUM]; | |
04b02fda | 1521 | int ret; |
41fc2714 DS |
1522 | |
1523 | /* Get input stream. */ | |
718e3744 | 1524 | s = client->ibuf; |
41fc2714 | 1525 | |
718e3744 | 1526 | ifindex = 0; |
1527 | memset (&nexthop, 0, sizeof (struct in6_addr)); | |
1528 | ||
41fc2714 DS |
1529 | /* Allocate new rib. */ |
1530 | rib = XCALLOC (MTYPE_RIB, sizeof (struct rib)); | |
1531 | ||
718e3744 | 1532 | /* Type, flags, message. */ |
41fc2714 | 1533 | rib->type = stream_getc (s); |
7c8ff89e | 1534 | rib->instance = stream_getw (s); |
41fc2714 DS |
1535 | rib->flags = stream_getc (s); |
1536 | message = stream_getc (s); | |
1537 | safi = stream_getw (s); | |
1538 | rib->uptime = time (NULL); | |
718e3744 | 1539 | |
41fc2714 | 1540 | /* IPv6 prefix. */ |
718e3744 | 1541 | memset (&p, 0, sizeof (struct prefix_ipv6)); |
1542 | p.family = AF_INET6; | |
1543 | p.prefixlen = stream_getc (s); | |
1544 | stream_get (&p.prefix, s, PSIZE (p.prefixlen)); | |
1545 | ||
41fc2714 DS |
1546 | /* We need to give nh-addr, nh-ifindex with the same next-hop object |
1547 | * to the rib to ensure that IPv6 multipathing works; need to coalesce | |
1548 | * these. Clients should send the same number of paired set of | |
1549 | * next-hop-addr/next-hop-ifindices. */ | |
1550 | if (CHECK_FLAG (message, ZAPI_MESSAGE_NEXTHOP)) | |
718e3744 | 1551 | { |
41fc2714 DS |
1552 | int nh_count = 0; |
1553 | int if_count = 0; | |
1554 | int max_nh_if = 0; | |
718e3744 | 1555 | |
41fc2714 | 1556 | nexthop_num = stream_getc (s); |
6878b9db DS |
1557 | zserv_nexthop_num_warn(__func__, (const struct prefix *)&p, nexthop_num); |
1558 | for (i = 0; i < nexthop_num; i++) | |
718e3744 | 1559 | { |
1560 | nexthop_type = stream_getc (s); | |
1561 | ||
1562 | switch (nexthop_type) | |
1563 | { | |
1564 | case ZEBRA_NEXTHOP_IPV6: | |
1565 | stream_get (&nexthop, s, 16); | |
41fc2714 DS |
1566 | if (nh_count < MULTIPATH_NUM) { |
1567 | nexthops[nh_count++] = nexthop; | |
1568 | } | |
718e3744 | 1569 | break; |
1570 | case ZEBRA_NEXTHOP_IFINDEX: | |
41fc2714 DS |
1571 | if (if_count < MULTIPATH_NUM) { |
1572 | ifindices[if_count++] = stream_getl (s); | |
1573 | } | |
718e3744 | 1574 | break; |
c3c0ac83 | 1575 | case ZEBRA_NEXTHOP_BLACKHOLE: |
a399694f | 1576 | rib_nexthop_blackhole_add (rib); |
c3c0ac83 | 1577 | break; |
718e3744 | 1578 | } |
1579 | } | |
41fc2714 DS |
1580 | |
1581 | max_nh_if = (nh_count > if_count) ? nh_count : if_count; | |
1582 | for (i = 0; i < max_nh_if; i++) | |
1583 | { | |
1584 | if ((i < nh_count) && !IN6_IS_ADDR_UNSPECIFIED (&nexthops[i])) { | |
6f20b80d | 1585 | if ((i < if_count) && ifindices[i]) |
a399694f | 1586 | rib_nexthop_ipv6_ifindex_add (rib, &nexthops[i], ifindices[i]); |
6f20b80d | 1587 | else |
a399694f | 1588 | rib_nexthop_ipv6_add (rib, &nexthops[i]); |
41fc2714 DS |
1589 | } |
1590 | else { | |
6f20b80d | 1591 | if ((i < if_count) && ifindices[i]) |
a399694f | 1592 | rib_nexthop_ifindex_add (rib, ifindices[i]); |
41fc2714 DS |
1593 | } |
1594 | } | |
718e3744 | 1595 | } |
1596 | ||
41fc2714 DS |
1597 | /* Distance. */ |
1598 | if (CHECK_FLAG (message, ZAPI_MESSAGE_DISTANCE)) | |
1599 | rib->distance = stream_getc (s); | |
718e3744 | 1600 | |
41fc2714 DS |
1601 | /* Metric. */ |
1602 | if (CHECK_FLAG (message, ZAPI_MESSAGE_METRIC)) | |
1603 | rib->metric = stream_getl (s); | |
718e3744 | 1604 | |
0d9551dc DS |
1605 | /* Tag */ |
1606 | if (CHECK_FLAG (message, ZAPI_MESSAGE_TAG)) | |
1607 | rib->tag = stream_getw (s); | |
1608 | else | |
1609 | rib->tag = 0; | |
1610 | ||
7076bb2f | 1611 | rib->vrf_id = vrf_id; |
12f6fb97 DS |
1612 | /* Table */ |
1613 | if (vrf_id) | |
1614 | { | |
1615 | struct zebra_vrf *zvrf; | |
1616 | ||
1617 | zvrf = vrf_info_lookup (vrf_id); | |
1618 | if (zvrf) | |
1619 | rib->table = zvrf->table_id; | |
1620 | } | |
1621 | else | |
1622 | { | |
1623 | rib->table=zebrad.rtm_table_default; | |
1624 | } | |
8a92a8a0 | 1625 | ret = rib_add_ipv6_multipath ((struct prefix *)&p, rib, safi, ifindex); |
04b02fda DS |
1626 | /* Stats */ |
1627 | if (ret > 0) | |
1628 | client->v6_route_add_cnt++; | |
1629 | else if (ret < 0) | |
1630 | client->v6_route_upd8_cnt++; | |
1631 | ||
719e9741 | 1632 | return 0; |
718e3744 | 1633 | } |
1634 | ||
1635 | /* Zebra server IPv6 prefix delete function. */ | |
719e9741 | 1636 | static int |
7076bb2f | 1637 | zread_ipv6_delete (struct zserv *client, u_short length, vrf_id_t vrf_id) |
718e3744 | 1638 | { |
1639 | int i; | |
1640 | struct stream *s; | |
1641 | struct zapi_ipv6 api; | |
1642 | struct in6_addr nexthop; | |
1643 | unsigned long ifindex; | |
1644 | struct prefix_ipv6 p; | |
1645 | ||
1646 | s = client->ibuf; | |
1647 | ifindex = 0; | |
1648 | memset (&nexthop, 0, sizeof (struct in6_addr)); | |
1649 | ||
1650 | /* Type, flags, message. */ | |
1651 | api.type = stream_getc (s); | |
7c8ff89e | 1652 | api.instance = stream_getw (s); |
718e3744 | 1653 | api.flags = stream_getc (s); |
1654 | api.message = stream_getc (s); | |
f768f367 | 1655 | api.safi = stream_getw (s); |
718e3744 | 1656 | |
1657 | /* IPv4 prefix. */ | |
1658 | memset (&p, 0, sizeof (struct prefix_ipv6)); | |
1659 | p.family = AF_INET6; | |
1660 | p.prefixlen = stream_getc (s); | |
1661 | stream_get (&p.prefix, s, PSIZE (p.prefixlen)); | |
1662 | ||
1663 | /* Nexthop, ifindex, distance, metric. */ | |
1664 | if (CHECK_FLAG (api.message, ZAPI_MESSAGE_NEXTHOP)) | |
1665 | { | |
1666 | u_char nexthop_type; | |
1667 | ||
1668 | api.nexthop_num = stream_getc (s); | |
1669 | for (i = 0; i < api.nexthop_num; i++) | |
1670 | { | |
1671 | nexthop_type = stream_getc (s); | |
1672 | ||
1673 | switch (nexthop_type) | |
1674 | { | |
1675 | case ZEBRA_NEXTHOP_IPV6: | |
1676 | stream_get (&nexthop, s, 16); | |
1677 | break; | |
1678 | case ZEBRA_NEXTHOP_IFINDEX: | |
1679 | ifindex = stream_getl (s); | |
1680 | break; | |
1681 | } | |
1682 | } | |
1683 | } | |
1684 | ||
0d9551dc | 1685 | /* Distance. */ |
718e3744 | 1686 | if (CHECK_FLAG (api.message, ZAPI_MESSAGE_DISTANCE)) |
1687 | api.distance = stream_getc (s); | |
1688 | else | |
1689 | api.distance = 0; | |
0d9551dc DS |
1690 | |
1691 | /* Metric. */ | |
718e3744 | 1692 | if (CHECK_FLAG (api.message, ZAPI_MESSAGE_METRIC)) |
1693 | api.metric = stream_getl (s); | |
1694 | else | |
1695 | api.metric = 0; | |
1696 | ||
0d9551dc DS |
1697 | /* tag */ |
1698 | if (CHECK_FLAG (api.message, ZAPI_MESSAGE_TAG)) | |
1699 | api.tag = stream_getw (s); | |
1700 | else | |
1701 | api.tag = 0; | |
1702 | ||
718e3744 | 1703 | if (IN6_IS_ADDR_UNSPECIFIED (&nexthop)) |
78104b9b | 1704 | rib_delete_ipv6 (api.type, api.instance, api.flags, &p, NULL, ifindex, |
7076bb2f | 1705 | vrf_id, client->rtm_table, api.safi); |
718e3744 | 1706 | else |
78104b9b | 1707 | rib_delete_ipv6 (api.type, api.instance, api.flags, &p, &nexthop, ifindex, |
7076bb2f | 1708 | vrf_id, client->rtm_table, api.safi); |
04b02fda DS |
1709 | |
1710 | client->v6_route_del_cnt++; | |
719e9741 | 1711 | return 0; |
718e3744 | 1712 | } |
1713 | ||
719e9741 | 1714 | static int |
7076bb2f FL |
1715 | zread_ipv6_nexthop_lookup (struct zserv *client, u_short length, |
1716 | vrf_id_t vrf_id) | |
718e3744 | 1717 | { |
1718 | struct in6_addr addr; | |
1719 | char buf[BUFSIZ]; | |
1720 | ||
1721 | stream_get (&addr, client->ibuf, 16); | |
a5207089 CF |
1722 | if (IS_ZEBRA_DEBUG_PACKET && IS_ZEBRA_DEBUG_RECV) |
1723 | zlog_debug("%s: looking up %s", __func__, | |
1724 | inet_ntop (AF_INET6, &addr, buf, BUFSIZ)); | |
718e3744 | 1725 | |
7076bb2f | 1726 | return zsend_ipv6_nexthop_lookup (client, &addr, vrf_id); |
718e3744 | 1727 | } |
1728 | #endif /* HAVE_IPV6 */ | |
1729 | ||
18a6dce6 | 1730 | /* Register zebra server router-id information. Send current router-id */ |
719e9741 | 1731 | static int |
7076bb2f | 1732 | zread_router_id_add (struct zserv *client, u_short length, vrf_id_t vrf_id) |
18a6dce6 | 1733 | { |
1734 | struct prefix p; | |
1735 | ||
1736 | /* Router-id information is needed. */ | |
7076bb2f | 1737 | vrf_bitmap_set (client->ridinfo, vrf_id); |
18a6dce6 | 1738 | |
7076bb2f | 1739 | router_id_get (&p, vrf_id); |
18a6dce6 | 1740 | |
7076bb2f | 1741 | return zsend_router_id_update (client, &p, vrf_id); |
18a6dce6 | 1742 | } |
1743 | ||
1744 | /* Unregister zebra server router-id information. */ | |
719e9741 | 1745 | static int |
7076bb2f | 1746 | zread_router_id_delete (struct zserv *client, u_short length, vrf_id_t vrf_id) |
18a6dce6 | 1747 | { |
7076bb2f | 1748 | vrf_bitmap_unset (client->ridinfo, vrf_id); |
719e9741 | 1749 | return 0; |
18a6dce6 | 1750 | } |
1751 | ||
2ea1ab1c VT |
1752 | /* Tie up route-type and client->sock */ |
1753 | static void | |
1754 | zread_hello (struct zserv *client) | |
1755 | { | |
1756 | /* type of protocol (lib/zebra.h) */ | |
1757 | u_char proto; | |
7c8ff89e DS |
1758 | u_short instance; |
1759 | ||
2ea1ab1c | 1760 | proto = stream_getc (client->ibuf); |
7c8ff89e | 1761 | instance = stream_getw (client->ibuf); |
2ea1ab1c VT |
1762 | |
1763 | /* accept only dynamic routing protocols */ | |
1764 | if ((proto < ZEBRA_ROUTE_MAX) | |
1765 | && (proto > ZEBRA_ROUTE_STATIC)) | |
1766 | { | |
1767 | zlog_notice ("client %d says hello and bids fair to announce only %s routes", | |
1768 | client->sock, zebra_route_string(proto)); | |
7c8ff89e DS |
1769 | if (instance) |
1770 | zlog_notice ("client protocol instance %d", instance); | |
2ea1ab1c | 1771 | |
fb018d25 | 1772 | client->proto = proto; |
7c8ff89e | 1773 | client->instance = instance; |
2ea1ab1c VT |
1774 | } |
1775 | } | |
1776 | ||
7076bb2f FL |
1777 | /* Unregister all information in a VRF. */ |
1778 | static int | |
1779 | zread_vrf_unregister (struct zserv *client, u_short length, vrf_id_t vrf_id) | |
1780 | { | |
1781 | int i; | |
1782 | afi_t afi; | |
1783 | ||
1784 | for (afi = AFI_IP; afi < AFI_MAX; afi++) | |
1785 | for (i = 0; i < ZEBRA_ROUTE_MAX; i++) | |
1786 | vrf_bitmap_unset (client->redist[afi][i], vrf_id); | |
1787 | vrf_bitmap_unset (client->redist_default, vrf_id); | |
1788 | vrf_bitmap_unset (client->ifinfo, vrf_id); | |
1789 | vrf_bitmap_unset (client->ridinfo, vrf_id); | |
1790 | ||
1791 | return 0; | |
1792 | } | |
1793 | ||
718e3744 | 1794 | /* Close zebra client. */ |
b9df2d25 | 1795 | static void |
718e3744 | 1796 | zebra_client_close (struct zserv *client) |
1797 | { | |
078430f6 DS |
1798 | zebra_cleanup_rnh_client(0, AF_INET, client, RNH_NEXTHOP_TYPE); |
1799 | zebra_cleanup_rnh_client(0, AF_INET6, client, RNH_NEXTHOP_TYPE); | |
1800 | zebra_cleanup_rnh_client(0, AF_INET, client, RNH_IMPORT_CHECK_TYPE); | |
1801 | zebra_cleanup_rnh_client(0, AF_INET6, client, RNH_IMPORT_CHECK_TYPE); | |
fb018d25 | 1802 | |
718e3744 | 1803 | /* Close file descriptor. */ |
1804 | if (client->sock) | |
1805 | { | |
7c8ff89e DS |
1806 | unsigned long nroutes; |
1807 | ||
718e3744 | 1808 | close (client->sock); |
7c8ff89e DS |
1809 | nroutes = rib_score_proto (client->proto, client->instance); |
1810 | zlog_notice ("client %d disconnected. %lu %s routes removed from the rib", | |
1811 | client->sock, nroutes, zebra_route_string (client->proto)); | |
718e3744 | 1812 | client->sock = -1; |
1813 | } | |
1814 | ||
1815 | /* Free stream buffers. */ | |
1816 | if (client->ibuf) | |
1817 | stream_free (client->ibuf); | |
1818 | if (client->obuf) | |
1819 | stream_free (client->obuf); | |
719e9741 | 1820 | if (client->wb) |
1821 | buffer_free(client->wb); | |
718e3744 | 1822 | |
1823 | /* Release threads. */ | |
1824 | if (client->t_read) | |
1825 | thread_cancel (client->t_read); | |
1826 | if (client->t_write) | |
1827 | thread_cancel (client->t_write); | |
719e9741 | 1828 | if (client->t_suicide) |
1829 | thread_cancel (client->t_suicide); | |
718e3744 | 1830 | |
1831 | /* Free client structure. */ | |
b21b19c5 | 1832 | listnode_delete (zebrad.client_list, client); |
718e3744 | 1833 | XFREE (0, client); |
1834 | } | |
1835 | ||
1836 | /* Make new client. */ | |
b9df2d25 | 1837 | static void |
718e3744 | 1838 | zebra_client_create (int sock) |
1839 | { | |
1840 | struct zserv *client; | |
7076bb2f FL |
1841 | int i; |
1842 | afi_t afi; | |
718e3744 | 1843 | |
1844 | client = XCALLOC (0, sizeof (struct zserv)); | |
1845 | ||
1846 | /* Make client input/output buffer. */ | |
1847 | client->sock = sock; | |
1848 | client->ibuf = stream_new (ZEBRA_MAX_PACKET_SIZ); | |
1849 | client->obuf = stream_new (ZEBRA_MAX_PACKET_SIZ); | |
719e9741 | 1850 | client->wb = buffer_new(0); |
718e3744 | 1851 | |
1852 | /* Set table number. */ | |
b21b19c5 | 1853 | client->rtm_table = zebrad.rtm_table_default; |
718e3744 | 1854 | |
04b02fda | 1855 | client->connect_time = quagga_time(NULL); |
7076bb2f FL |
1856 | /* Initialize flags */ |
1857 | for (afi = AFI_IP; afi < AFI_MAX; afi++) | |
1858 | for (i = 0; i < ZEBRA_ROUTE_MAX; i++) | |
1859 | client->redist[afi][i] = vrf_bitmap_init (); | |
1860 | client->redist_default = vrf_bitmap_init (); | |
1861 | client->ifinfo = vrf_bitmap_init (); | |
1862 | client->ridinfo = vrf_bitmap_init (); | |
04b02fda | 1863 | |
718e3744 | 1864 | /* Add this client to linked list. */ |
b21b19c5 | 1865 | listnode_add (zebrad.client_list, client); |
718e3744 | 1866 | |
1867 | /* Make new read thread. */ | |
1868 | zebra_event (ZEBRA_READ, sock, client); | |
12f6fb97 DS |
1869 | |
1870 | zebra_vrf_update_all (client); | |
718e3744 | 1871 | } |
1872 | ||
1873 | /* Handler of zebra service request. */ | |
b9df2d25 | 1874 | static int |
718e3744 | 1875 | zebra_client_read (struct thread *thread) |
1876 | { | |
1877 | int sock; | |
1878 | struct zserv *client; | |
57a1477b | 1879 | size_t already; |
c1b9800a | 1880 | uint16_t length, command; |
1881 | uint8_t marker, version; | |
7076bb2f | 1882 | vrf_id_t vrf_id; |
718e3744 | 1883 | |
1884 | /* Get thread data. Reset reading thread because I'm running. */ | |
1885 | sock = THREAD_FD (thread); | |
1886 | client = THREAD_ARG (thread); | |
1887 | client->t_read = NULL; | |
1888 | ||
719e9741 | 1889 | if (client->t_suicide) |
718e3744 | 1890 | { |
719e9741 | 1891 | zebra_client_close(client); |
718e3744 | 1892 | return -1; |
1893 | } | |
719e9741 | 1894 | |
1895 | /* Read length and command (if we don't have it already). */ | |
57a1477b | 1896 | if ((already = stream_get_endp(client->ibuf)) < ZEBRA_HEADER_SIZE) |
719e9741 | 1897 | { |
57a1477b | 1898 | ssize_t nbyte; |
719e9741 | 1899 | if (((nbyte = stream_read_try (client->ibuf, sock, |
57a1477b | 1900 | ZEBRA_HEADER_SIZE-already)) == 0) || |
719e9741 | 1901 | (nbyte == -1)) |
1902 | { | |
1903 | if (IS_ZEBRA_DEBUG_EVENT) | |
1904 | zlog_debug ("connection closed socket [%d]", sock); | |
1905 | zebra_client_close (client); | |
1906 | return -1; | |
1907 | } | |
57a1477b | 1908 | if (nbyte != (ssize_t)(ZEBRA_HEADER_SIZE-already)) |
719e9741 | 1909 | { |
1910 | /* Try again later. */ | |
1911 | zebra_event (ZEBRA_READ, sock, client); | |
1912 | return 0; | |
1913 | } | |
57a1477b | 1914 | already = ZEBRA_HEADER_SIZE; |
719e9741 | 1915 | } |
1916 | ||
1917 | /* Reset to read from the beginning of the incoming packet. */ | |
1918 | stream_set_getp(client->ibuf, 0); | |
1919 | ||
c1b9800a | 1920 | /* Fetch header values */ |
718e3744 | 1921 | length = stream_getw (client->ibuf); |
c1b9800a | 1922 | marker = stream_getc (client->ibuf); |
1923 | version = stream_getc (client->ibuf); | |
7076bb2f | 1924 | vrf_id = stream_getw (client->ibuf); |
c1b9800a | 1925 | command = stream_getw (client->ibuf); |
718e3744 | 1926 | |
c1b9800a | 1927 | if (marker != ZEBRA_HEADER_MARKER || version != ZSERV_VERSION) |
1928 | { | |
1929 | zlog_err("%s: socket %d version mismatch, marker %d, version %d", | |
1930 | __func__, sock, marker, version); | |
1931 | zebra_client_close (client); | |
1932 | return -1; | |
1933 | } | |
719e9741 | 1934 | if (length < ZEBRA_HEADER_SIZE) |
718e3744 | 1935 | { |
57a1477b | 1936 | zlog_warn("%s: socket %d message length %u is less than header size %d", |
1937 | __func__, sock, length, ZEBRA_HEADER_SIZE); | |
1938 | zebra_client_close (client); | |
1939 | return -1; | |
1940 | } | |
1941 | if (length > STREAM_SIZE(client->ibuf)) | |
1942 | { | |
1943 | zlog_warn("%s: socket %d message length %u exceeds buffer size %lu", | |
1944 | __func__, sock, length, (u_long)STREAM_SIZE(client->ibuf)); | |
718e3744 | 1945 | zebra_client_close (client); |
1946 | return -1; | |
1947 | } | |
1948 | ||
718e3744 | 1949 | /* Read rest of data. */ |
57a1477b | 1950 | if (already < length) |
718e3744 | 1951 | { |
57a1477b | 1952 | ssize_t nbyte; |
1953 | if (((nbyte = stream_read_try (client->ibuf, sock, | |
1954 | length-already)) == 0) || | |
1955 | (nbyte == -1)) | |
718e3744 | 1956 | { |
1957 | if (IS_ZEBRA_DEBUG_EVENT) | |
b6178002 | 1958 | zlog_debug ("connection closed [%d] when reading zebra data", sock); |
718e3744 | 1959 | zebra_client_close (client); |
1960 | return -1; | |
1961 | } | |
57a1477b | 1962 | if (nbyte != (ssize_t)(length-already)) |
719e9741 | 1963 | { |
1964 | /* Try again later. */ | |
1965 | zebra_event (ZEBRA_READ, sock, client); | |
1966 | return 0; | |
1967 | } | |
718e3744 | 1968 | } |
1969 | ||
719e9741 | 1970 | length -= ZEBRA_HEADER_SIZE; |
1971 | ||
718e3744 | 1972 | /* Debug packet information. */ |
1973 | if (IS_ZEBRA_DEBUG_EVENT) | |
b6178002 | 1974 | zlog_debug ("zebra message comes from socket [%d]", sock); |
718e3744 | 1975 | |
1976 | if (IS_ZEBRA_DEBUG_PACKET && IS_ZEBRA_DEBUG_RECV) | |
7076bb2f FL |
1977 | zlog_debug ("zebra message received [%s] %d in VRF %u", |
1978 | zserv_command_string (command), length, vrf_id); | |
718e3744 | 1979 | |
04b02fda DS |
1980 | client->last_read_time = quagga_time(NULL); |
1981 | client->last_read_cmd = command; | |
1982 | ||
718e3744 | 1983 | switch (command) |
1984 | { | |
18a6dce6 | 1985 | case ZEBRA_ROUTER_ID_ADD: |
7076bb2f | 1986 | zread_router_id_add (client, length, vrf_id); |
18a6dce6 | 1987 | break; |
1988 | case ZEBRA_ROUTER_ID_DELETE: | |
7076bb2f | 1989 | zread_router_id_delete (client, length, vrf_id); |
18a6dce6 | 1990 | break; |
718e3744 | 1991 | case ZEBRA_INTERFACE_ADD: |
7076bb2f | 1992 | zread_interface_add (client, length, vrf_id); |
718e3744 | 1993 | break; |
1994 | case ZEBRA_INTERFACE_DELETE: | |
7076bb2f | 1995 | zread_interface_delete (client, length, vrf_id); |
718e3744 | 1996 | break; |
1997 | case ZEBRA_IPV4_ROUTE_ADD: | |
7076bb2f | 1998 | zread_ipv4_add (client, length, vrf_id); |
718e3744 | 1999 | break; |
2000 | case ZEBRA_IPV4_ROUTE_DELETE: | |
7076bb2f | 2001 | zread_ipv4_delete (client, length, vrf_id); |
718e3744 | 2002 | break; |
2003 | #ifdef HAVE_IPV6 | |
8a92a8a0 | 2004 | case ZEBRA_IPV4_ROUTE_IPV6_NEXTHOP_ADD: |
12f6fb97 | 2005 | zread_ipv4_route_ipv6_nexthop_add (client, length, vrf_id); |
8a92a8a0 | 2006 | break; |
718e3744 | 2007 | case ZEBRA_IPV6_ROUTE_ADD: |
7076bb2f | 2008 | zread_ipv6_add (client, length, vrf_id); |
718e3744 | 2009 | break; |
2010 | case ZEBRA_IPV6_ROUTE_DELETE: | |
7076bb2f | 2011 | zread_ipv6_delete (client, length, vrf_id); |
718e3744 | 2012 | break; |
2013 | #endif /* HAVE_IPV6 */ | |
2014 | case ZEBRA_REDISTRIBUTE_ADD: | |
7076bb2f | 2015 | zebra_redistribute_add (command, client, length, vrf_id); |
718e3744 | 2016 | break; |
2017 | case ZEBRA_REDISTRIBUTE_DELETE: | |
7076bb2f | 2018 | zebra_redistribute_delete (command, client, length, vrf_id); |
718e3744 | 2019 | break; |
2020 | case ZEBRA_REDISTRIBUTE_DEFAULT_ADD: | |
7076bb2f | 2021 | zebra_redistribute_default_add (command, client, length, vrf_id); |
718e3744 | 2022 | break; |
2023 | case ZEBRA_REDISTRIBUTE_DEFAULT_DELETE: | |
7076bb2f | 2024 | zebra_redistribute_default_delete (command, client, length, vrf_id); |
718e3744 | 2025 | break; |
2026 | case ZEBRA_IPV4_NEXTHOP_LOOKUP: | |
7076bb2f | 2027 | zread_ipv4_nexthop_lookup (client, length, vrf_id); |
718e3744 | 2028 | break; |
2029 | #ifdef HAVE_IPV6 | |
2030 | case ZEBRA_IPV6_NEXTHOP_LOOKUP: | |
7076bb2f | 2031 | zread_ipv6_nexthop_lookup (client, length, vrf_id); |
718e3744 | 2032 | break; |
2033 | #endif /* HAVE_IPV6 */ | |
2034 | case ZEBRA_IPV4_IMPORT_LOOKUP: | |
7076bb2f | 2035 | zread_ipv4_import_lookup (client, length, vrf_id); |
718e3744 | 2036 | break; |
2ea1ab1c VT |
2037 | case ZEBRA_HELLO: |
2038 | zread_hello (client); | |
2039 | break; | |
fb018d25 | 2040 | case ZEBRA_NEXTHOP_REGISTER: |
7076bb2f | 2041 | zserv_rnh_register(client, sock, length, RNH_NEXTHOP_TYPE, vrf_id); |
fb018d25 DS |
2042 | break; |
2043 | case ZEBRA_NEXTHOP_UNREGISTER: | |
12f6fb97 | 2044 | zserv_rnh_unregister(client, sock, length, RNH_NEXTHOP_TYPE, vrf_id); |
078430f6 DS |
2045 | break; |
2046 | case ZEBRA_IMPORT_ROUTE_REGISTER: | |
7076bb2f | 2047 | zserv_rnh_register(client, sock, length, RNH_IMPORT_CHECK_TYPE, vrf_id); |
078430f6 DS |
2048 | break; |
2049 | case ZEBRA_IMPORT_ROUTE_UNREGISTER: | |
12f6fb97 | 2050 | zserv_rnh_unregister(client, sock, length, RNH_IMPORT_CHECK_TYPE, vrf_id); |
fb018d25 | 2051 | break; |
c43ed2e4 DS |
2052 | case ZEBRA_BFD_DEST_UPDATE: |
2053 | case ZEBRA_BFD_DEST_REGISTER: | |
2054 | zebra_ptm_bfd_dst_register(client, sock, length, command); | |
2055 | break; | |
2056 | case ZEBRA_BFD_DEST_DEREGISTER: | |
2057 | zebra_ptm_bfd_dst_deregister(client, sock, length); | |
2058 | break; | |
7076bb2f FL |
2059 | case ZEBRA_VRF_UNREGISTER: |
2060 | zread_vrf_unregister (client, length, vrf_id); | |
2061 | break; | |
718e3744 | 2062 | default: |
2063 | zlog_info ("Zebra received unknown command %d", command); | |
2064 | break; | |
2065 | } | |
2066 | ||
719e9741 | 2067 | if (client->t_suicide) |
2068 | { | |
2069 | /* No need to wait for thread callback, just kill immediately. */ | |
2070 | zebra_client_close(client); | |
2071 | return -1; | |
2072 | } | |
2073 | ||
718e3744 | 2074 | stream_reset (client->ibuf); |
2075 | zebra_event (ZEBRA_READ, sock, client); | |
718e3744 | 2076 | return 0; |
2077 | } | |
2078 | ||
718e3744 | 2079 | |
2080 | /* Accept code of zebra server socket. */ | |
b9df2d25 | 2081 | static int |
718e3744 | 2082 | zebra_accept (struct thread *thread) |
2083 | { | |
2084 | int accept_sock; | |
2085 | int client_sock; | |
2086 | struct sockaddr_in client; | |
2087 | socklen_t len; | |
2088 | ||
2089 | accept_sock = THREAD_FD (thread); | |
2090 | ||
719e9741 | 2091 | /* Reregister myself. */ |
2092 | zebra_event (ZEBRA_SERV, accept_sock, NULL); | |
2093 | ||
718e3744 | 2094 | len = sizeof (struct sockaddr_in); |
2095 | client_sock = accept (accept_sock, (struct sockaddr *) &client, &len); | |
2096 | ||
2097 | if (client_sock < 0) | |
2098 | { | |
6099b3b5 | 2099 | zlog_warn ("Can't accept zebra socket: %s", safe_strerror (errno)); |
718e3744 | 2100 | return -1; |
2101 | } | |
2102 | ||
ccf3557b | 2103 | /* Make client socket non-blocking. */ |
719e9741 | 2104 | set_nonblocking(client_sock); |
865b852c | 2105 | |
718e3744 | 2106 | /* Create new zebra client. */ |
2107 | zebra_client_create (client_sock); | |
2108 | ||
718e3744 | 2109 | return 0; |
2110 | } | |
2111 | ||
b9df2d25 | 2112 | #ifdef HAVE_TCP_ZEBRA |
718e3744 | 2113 | /* Make zebra's server socket. */ |
b9df2d25 | 2114 | static void |
718e3744 | 2115 | zebra_serv () |
2116 | { | |
2117 | int ret; | |
2118 | int accept_sock; | |
2119 | struct sockaddr_in addr; | |
2120 | ||
2121 | accept_sock = socket (AF_INET, SOCK_STREAM, 0); | |
2122 | ||
2123 | if (accept_sock < 0) | |
2124 | { | |
3d1dc857 | 2125 | zlog_warn ("Can't create zserv stream socket: %s", |
2126 | safe_strerror (errno)); | |
718e3744 | 2127 | zlog_warn ("zebra can't provice full functionality due to above error"); |
2128 | return; | |
2129 | } | |
2130 | ||
2131 | memset (&addr, 0, sizeof (struct sockaddr_in)); | |
2132 | addr.sin_family = AF_INET; | |
2133 | addr.sin_port = htons (ZEBRA_PORT); | |
6f0e3f6e | 2134 | #ifdef HAVE_STRUCT_SOCKADDR_IN_SIN_LEN |
718e3744 | 2135 | addr.sin_len = sizeof (struct sockaddr_in); |
6f0e3f6e | 2136 | #endif /* HAVE_STRUCT_SOCKADDR_IN_SIN_LEN */ |
718e3744 | 2137 | addr.sin_addr.s_addr = htonl (INADDR_LOOPBACK); |
2138 | ||
2139 | sockopt_reuseaddr (accept_sock); | |
2140 | sockopt_reuseport (accept_sock); | |
2141 | ||
edd7c245 | 2142 | if ( zserv_privs.change(ZPRIVS_RAISE) ) |
2143 | zlog (NULL, LOG_ERR, "Can't raise privileges"); | |
2144 | ||
718e3744 | 2145 | ret = bind (accept_sock, (struct sockaddr *)&addr, |
2146 | sizeof (struct sockaddr_in)); | |
2147 | if (ret < 0) | |
2148 | { | |
3d1dc857 | 2149 | zlog_warn ("Can't bind to stream socket: %s", |
2150 | safe_strerror (errno)); | |
718e3744 | 2151 | zlog_warn ("zebra can't provice full functionality due to above error"); |
2152 | close (accept_sock); /* Avoid sd leak. */ | |
2153 | return; | |
2154 | } | |
edd7c245 | 2155 | |
2156 | if ( zserv_privs.change(ZPRIVS_LOWER) ) | |
2157 | zlog (NULL, LOG_ERR, "Can't lower privileges"); | |
718e3744 | 2158 | |
2159 | ret = listen (accept_sock, 1); | |
2160 | if (ret < 0) | |
2161 | { | |
3d1dc857 | 2162 | zlog_warn ("Can't listen to stream socket: %s", |
2163 | safe_strerror (errno)); | |
718e3744 | 2164 | zlog_warn ("zebra can't provice full functionality due to above error"); |
2165 | close (accept_sock); /* Avoid sd leak. */ | |
2166 | return; | |
2167 | } | |
2168 | ||
2169 | zebra_event (ZEBRA_SERV, accept_sock, NULL); | |
2170 | } | |
b9df2d25 | 2171 | #endif /* HAVE_TCP_ZEBRA */ |
718e3744 | 2172 | |
2173 | /* For sockaddr_un. */ | |
2174 | #include <sys/un.h> | |
2175 | ||
2176 | /* zebra server UNIX domain socket. */ | |
b9df2d25 | 2177 | static void |
fce954f8 | 2178 | zebra_serv_un (const char *path) |
718e3744 | 2179 | { |
2180 | int ret; | |
2181 | int sock, len; | |
2182 | struct sockaddr_un serv; | |
2183 | mode_t old_mask; | |
2184 | ||
2185 | /* First of all, unlink existing socket */ | |
2186 | unlink (path); | |
2187 | ||
2188 | /* Set umask */ | |
2189 | old_mask = umask (0077); | |
2190 | ||
2191 | /* Make UNIX domain socket. */ | |
2192 | sock = socket (AF_UNIX, SOCK_STREAM, 0); | |
2193 | if (sock < 0) | |
2194 | { | |
3d1dc857 | 2195 | zlog_warn ("Can't create zserv unix socket: %s", |
2196 | safe_strerror (errno)); | |
2197 | zlog_warn ("zebra can't provide full functionality due to above error"); | |
718e3744 | 2198 | return; |
2199 | } | |
2200 | ||
2201 | /* Make server socket. */ | |
2202 | memset (&serv, 0, sizeof (struct sockaddr_un)); | |
2203 | serv.sun_family = AF_UNIX; | |
2204 | strncpy (serv.sun_path, path, strlen (path)); | |
6f0e3f6e | 2205 | #ifdef HAVE_STRUCT_SOCKADDR_UN_SUN_LEN |
718e3744 | 2206 | len = serv.sun_len = SUN_LEN(&serv); |
2207 | #else | |
2208 | len = sizeof (serv.sun_family) + strlen (serv.sun_path); | |
6f0e3f6e | 2209 | #endif /* HAVE_STRUCT_SOCKADDR_UN_SUN_LEN */ |
718e3744 | 2210 | |
2211 | ret = bind (sock, (struct sockaddr *) &serv, len); | |
2212 | if (ret < 0) | |
2213 | { | |
3d1dc857 | 2214 | zlog_warn ("Can't bind to unix socket %s: %s", |
2215 | path, safe_strerror (errno)); | |
2216 | zlog_warn ("zebra can't provide full functionality due to above error"); | |
718e3744 | 2217 | close (sock); |
2218 | return; | |
2219 | } | |
2220 | ||
2221 | ret = listen (sock, 5); | |
2222 | if (ret < 0) | |
2223 | { | |
3d1dc857 | 2224 | zlog_warn ("Can't listen to unix socket %s: %s", |
2225 | path, safe_strerror (errno)); | |
2226 | zlog_warn ("zebra can't provide full functionality due to above error"); | |
718e3744 | 2227 | close (sock); |
2228 | return; | |
2229 | } | |
2230 | ||
2231 | umask (old_mask); | |
2232 | ||
2233 | zebra_event (ZEBRA_SERV, sock, NULL); | |
2234 | } | |
6b0655a2 | 2235 | |
718e3744 | 2236 | |
b9df2d25 | 2237 | static void |
718e3744 | 2238 | zebra_event (enum event event, int sock, struct zserv *client) |
2239 | { | |
2240 | switch (event) | |
2241 | { | |
2242 | case ZEBRA_SERV: | |
b21b19c5 | 2243 | thread_add_read (zebrad.master, zebra_accept, client, sock); |
718e3744 | 2244 | break; |
2245 | case ZEBRA_READ: | |
2246 | client->t_read = | |
b21b19c5 | 2247 | thread_add_read (zebrad.master, zebra_client_read, client, sock); |
718e3744 | 2248 | break; |
2249 | case ZEBRA_WRITE: | |
2250 | /**/ | |
2251 | break; | |
2252 | } | |
2253 | } | |
6b0655a2 | 2254 | |
04b02fda DS |
2255 | #define ZEBRA_TIME_BUF 32 |
2256 | static char * | |
2257 | zserv_time_buf(time_t *time1, char *buf, int buflen) | |
2258 | { | |
2259 | struct tm *tm; | |
2260 | time_t now; | |
2261 | ||
2262 | assert (buf != NULL); | |
2263 | assert (buflen >= ZEBRA_TIME_BUF); | |
2264 | assert (time1 != NULL); | |
2265 | ||
2266 | if (!*time1) | |
2267 | { | |
2268 | snprintf(buf, buflen, "never "); | |
2269 | return (buf); | |
2270 | } | |
2271 | ||
2272 | now = quagga_time(NULL); | |
2273 | now -= *time1; | |
2274 | tm = gmtime(&now); | |
2275 | ||
2276 | /* Making formatted timer strings. */ | |
2277 | #define ONE_DAY_SECOND 60*60*24 | |
2278 | #define ONE_WEEK_SECOND 60*60*24*7 | |
2279 | ||
2280 | if (now < ONE_DAY_SECOND) | |
2281 | snprintf (buf, buflen, "%02d:%02d:%02d", | |
2282 | tm->tm_hour, tm->tm_min, tm->tm_sec); | |
2283 | else if (now < ONE_WEEK_SECOND) | |
2284 | snprintf (buf, buflen, "%dd%02dh%02dm", | |
2285 | tm->tm_yday, tm->tm_hour, tm->tm_min); | |
2286 | else | |
2287 | snprintf (buf, buflen, "%02dw%dd%02dh", | |
2288 | tm->tm_yday/7, tm->tm_yday - ((tm->tm_yday/7) * 7), tm->tm_hour); | |
2289 | return buf; | |
2290 | } | |
2291 | ||
2292 | static void | |
2293 | zebra_show_client_detail (struct vty *vty, struct zserv *client) | |
2294 | { | |
2295 | char cbuf[ZEBRA_TIME_BUF], rbuf[ZEBRA_TIME_BUF]; | |
2296 | char wbuf[ZEBRA_TIME_BUF], nhbuf[ZEBRA_TIME_BUF], mbuf[ZEBRA_TIME_BUF]; | |
2297 | ||
7c8ff89e DS |
2298 | vty_out (vty, "Client: %s", zebra_route_string(client->proto)); |
2299 | if (client->instance) | |
2300 | vty_out (vty, " Instance: %d", client->instance); | |
2301 | vty_out (vty, "%s", VTY_NEWLINE); | |
2302 | ||
04b02fda DS |
2303 | vty_out (vty, "------------------------ %s", VTY_NEWLINE); |
2304 | vty_out (vty, "FD: %d %s", client->sock, VTY_NEWLINE); | |
2305 | vty_out (vty, "Route Table ID: %d %s", client->rtm_table, VTY_NEWLINE); | |
2306 | ||
2307 | vty_out (vty, "Connect Time: %s %s", | |
2308 | zserv_time_buf(&client->connect_time, cbuf, ZEBRA_TIME_BUF), | |
2309 | VTY_NEWLINE); | |
2310 | if (client->nh_reg_time) | |
2311 | { | |
2312 | vty_out (vty, "Nexthop Registry Time: %s %s", | |
2313 | zserv_time_buf(&client->nh_reg_time, nhbuf, ZEBRA_TIME_BUF), | |
2314 | VTY_NEWLINE); | |
2315 | if (client->nh_last_upd_time) | |
2316 | vty_out (vty, "Nexthop Last Update Time: %s %s", | |
2317 | zserv_time_buf(&client->nh_last_upd_time, mbuf, ZEBRA_TIME_BUF), | |
2318 | VTY_NEWLINE); | |
2319 | else | |
2320 | vty_out (vty, "No Nexthop Update sent%s", VTY_NEWLINE); | |
2321 | } | |
2322 | else | |
2323 | vty_out (vty, "Not registered for Nexthop Updates%s", VTY_NEWLINE); | |
2324 | ||
2325 | vty_out (vty, "Last Msg Rx Time: %s %s", | |
2326 | zserv_time_buf(&client->last_read_time, rbuf, ZEBRA_TIME_BUF), | |
2327 | VTY_NEWLINE); | |
2328 | vty_out (vty, "Last Msg Tx Time: %s %s", | |
2329 | zserv_time_buf(&client->last_write_time, wbuf, ZEBRA_TIME_BUF), | |
2330 | VTY_NEWLINE); | |
2331 | if (client->last_read_time) | |
2332 | vty_out (vty, "Last Rcvd Cmd: %s %s", | |
2333 | zserv_command_string(client->last_read_cmd), VTY_NEWLINE); | |
2334 | if (client->last_write_time) | |
2335 | vty_out (vty, "Last Sent Cmd: %s %s", | |
2336 | zserv_command_string(client->last_write_cmd), VTY_NEWLINE); | |
2337 | vty_out (vty, "%s", VTY_NEWLINE); | |
2338 | ||
2339 | vty_out (vty, "Type Add Update Del %s", VTY_NEWLINE); | |
2340 | vty_out (vty, "================================================== %s", VTY_NEWLINE); | |
2341 | vty_out (vty, "IPv4 %-12d%-12d%-12d%s", client->v4_route_add_cnt, | |
2342 | client->v4_route_upd8_cnt, client->v4_route_del_cnt, VTY_NEWLINE); | |
2343 | vty_out (vty, "IPv6 %-12d%-12d%-12d%s", client->v6_route_add_cnt, | |
2344 | client->v6_route_upd8_cnt, client->v6_route_del_cnt, VTY_NEWLINE); | |
2345 | vty_out (vty, "Redist:v4 %-12d%-12d%-12d%s", client->redist_v4_add_cnt, 0, | |
2346 | client->redist_v4_del_cnt, VTY_NEWLINE); | |
2347 | vty_out (vty, "Redist:v6 %-12d%-12d%-12d%s", client->redist_v6_add_cnt, 0, | |
2348 | client->redist_v6_del_cnt, VTY_NEWLINE); | |
2349 | vty_out (vty, "Connected %-12d%-12d%-12d%s", client->ifadd_cnt, 0, | |
2350 | client->ifdel_cnt, VTY_NEWLINE); | |
c43ed2e4 DS |
2351 | vty_out (vty, "BFD peer %-12d%-12d%-12d%s", client->bfd_peer_add_cnt, |
2352 | client->bfd_peer_upd8_cnt, client->bfd_peer_del_cnt, VTY_NEWLINE); | |
04b02fda DS |
2353 | vty_out (vty, "Interface Up Notifications: %d%s", client->ifup_cnt, |
2354 | VTY_NEWLINE); | |
2355 | vty_out (vty, "Interface Down Notifications: %d%s", client->ifdown_cnt, | |
2356 | VTY_NEWLINE); | |
2357 | ||
2358 | vty_out (vty, "%s", VTY_NEWLINE); | |
2359 | return; | |
2360 | } | |
2361 | ||
2362 | static void | |
2363 | zebra_show_client_brief (struct vty *vty, struct zserv *client) | |
2364 | { | |
2365 | char cbuf[ZEBRA_TIME_BUF], rbuf[ZEBRA_TIME_BUF]; | |
2366 | char wbuf[ZEBRA_TIME_BUF]; | |
2367 | ||
2368 | vty_out (vty, "%-8s%12s %12s%12s%8d/%-8d%8d/%-8d%s", | |
2369 | zebra_route_string(client->proto), | |
2370 | zserv_time_buf(&client->connect_time, cbuf, ZEBRA_TIME_BUF), | |
2371 | zserv_time_buf(&client->last_read_time, rbuf, ZEBRA_TIME_BUF), | |
2372 | zserv_time_buf(&client->last_write_time, wbuf, ZEBRA_TIME_BUF), | |
2373 | client->v4_route_add_cnt+client->v4_route_upd8_cnt, | |
2374 | client->v4_route_del_cnt, | |
2375 | client->v6_route_add_cnt+client->v6_route_upd8_cnt, | |
2376 | client->v6_route_del_cnt, VTY_NEWLINE); | |
2377 | ||
2378 | } | |
2379 | ||
2380 | ||
718e3744 | 2381 | /* Display default rtm_table for all clients. */ |
2382 | DEFUN (show_table, | |
2383 | show_table_cmd, | |
2384 | "show table", | |
2385 | SHOW_STR | |
2386 | "default routing table to use for all clients\n") | |
2387 | { | |
b21b19c5 | 2388 | vty_out (vty, "table %d%s", zebrad.rtm_table_default, |
718e3744 | 2389 | VTY_NEWLINE); |
2390 | return CMD_SUCCESS; | |
2391 | } | |
2392 | ||
2393 | DEFUN (config_table, | |
2394 | config_table_cmd, | |
2395 | "table TABLENO", | |
2396 | "Configure target kernel routing table\n" | |
2397 | "TABLE integer\n") | |
2398 | { | |
b21b19c5 | 2399 | zebrad.rtm_table_default = strtol (argv[0], (char**)0, 10); |
718e3744 | 2400 | return CMD_SUCCESS; |
2401 | } | |
2402 | ||
813d4307 DW |
2403 | DEFUN (no_config_table, |
2404 | no_config_table_cmd, | |
2405 | "no table TABLENO", | |
2406 | NO_STR | |
2407 | "Configure target kernel routing table\n" | |
2408 | "TABLE integer\n") | |
2409 | { | |
2410 | zebrad.rtm_table_default = 0; | |
2411 | return CMD_SUCCESS; | |
2412 | } | |
2413 | ||
647e4f1f | 2414 | DEFUN (ip_forwarding, |
2415 | ip_forwarding_cmd, | |
2416 | "ip forwarding", | |
2417 | IP_STR | |
2418 | "Turn on IP forwarding") | |
2419 | { | |
2420 | int ret; | |
2421 | ||
2422 | ret = ipforward (); | |
b71f00f2 | 2423 | if (ret == 0) |
2424 | ret = ipforward_on (); | |
647e4f1f | 2425 | |
647e4f1f | 2426 | if (ret == 0) |
2427 | { | |
2428 | vty_out (vty, "Can't turn on IP forwarding%s", VTY_NEWLINE); | |
2429 | return CMD_WARNING; | |
2430 | } | |
2431 | ||
2432 | return CMD_SUCCESS; | |
2433 | } | |
2434 | ||
718e3744 | 2435 | DEFUN (no_ip_forwarding, |
2436 | no_ip_forwarding_cmd, | |
2437 | "no ip forwarding", | |
2438 | NO_STR | |
2439 | IP_STR | |
2440 | "Turn off IP forwarding") | |
2441 | { | |
2442 | int ret; | |
2443 | ||
2444 | ret = ipforward (); | |
b71f00f2 | 2445 | if (ret != 0) |
2446 | ret = ipforward_off (); | |
718e3744 | 2447 | |
718e3744 | 2448 | if (ret != 0) |
2449 | { | |
2450 | vty_out (vty, "Can't turn off IP forwarding%s", VTY_NEWLINE); | |
2451 | return CMD_WARNING; | |
2452 | } | |
2453 | ||
2454 | return CMD_SUCCESS; | |
2455 | } | |
2456 | ||
2457 | /* This command is for debugging purpose. */ | |
2458 | DEFUN (show_zebra_client, | |
2459 | show_zebra_client_cmd, | |
2460 | "show zebra client", | |
2461 | SHOW_STR | |
2462 | "Zebra information" | |
2463 | "Client information") | |
2464 | { | |
52dc7ee6 | 2465 | struct listnode *node; |
718e3744 | 2466 | struct zserv *client; |
2467 | ||
1eb8ef25 | 2468 | for (ALL_LIST_ELEMENTS_RO (zebrad.client_list, node, client)) |
04b02fda DS |
2469 | zebra_show_client_detail(vty, client); |
2470 | ||
2471 | return CMD_SUCCESS; | |
2472 | } | |
2473 | ||
2474 | /* This command is for debugging purpose. */ | |
2475 | DEFUN (show_zebra_client_summary, | |
2476 | show_zebra_client_summary_cmd, | |
2477 | "show zebra client summary", | |
2478 | SHOW_STR | |
2479 | "Zebra information brief" | |
2480 | "Client information brief") | |
2481 | { | |
2482 | struct listnode *node; | |
2483 | struct zserv *client; | |
2484 | ||
2485 | vty_out (vty, "Name Connect Time Last Read Last Write IPv4 Routes IPv6 Routes %s", | |
2486 | VTY_NEWLINE); | |
2487 | vty_out (vty,"--------------------------------------------------------------------------------%s", | |
2488 | VTY_NEWLINE); | |
2489 | ||
2490 | for (ALL_LIST_ELEMENTS_RO (zebrad.client_list, node, client)) | |
2491 | zebra_show_client_brief(vty, client); | |
fb018d25 | 2492 | |
04b02fda | 2493 | vty_out (vty, "Routes column shows (added+updated)/deleted%s", VTY_NEWLINE); |
718e3744 | 2494 | return CMD_SUCCESS; |
2495 | } | |
2496 | ||
2497 | /* Table configuration write function. */ | |
b9df2d25 | 2498 | static int |
718e3744 | 2499 | config_write_table (struct vty *vty) |
2500 | { | |
b21b19c5 | 2501 | if (zebrad.rtm_table_default) |
2502 | vty_out (vty, "table %d%s", zebrad.rtm_table_default, | |
718e3744 | 2503 | VTY_NEWLINE); |
2504 | return 0; | |
2505 | } | |
2506 | ||
2507 | /* table node for routing tables. */ | |
7fc626de | 2508 | static struct cmd_node table_node = |
718e3744 | 2509 | { |
2510 | TABLE_NODE, | |
2511 | "", /* This node has no interface. */ | |
2512 | 1 | |
2513 | }; | |
6b0655a2 | 2514 | |
718e3744 | 2515 | /* Only display ip forwarding is enabled or not. */ |
2516 | DEFUN (show_ip_forwarding, | |
2517 | show_ip_forwarding_cmd, | |
2518 | "show ip forwarding", | |
2519 | SHOW_STR | |
2520 | IP_STR | |
2521 | "IP forwarding status\n") | |
2522 | { | |
2523 | int ret; | |
2524 | ||
2525 | ret = ipforward (); | |
2526 | ||
2527 | if (ret == 0) | |
2528 | vty_out (vty, "IP forwarding is off%s", VTY_NEWLINE); | |
2529 | else | |
2530 | vty_out (vty, "IP forwarding is on%s", VTY_NEWLINE); | |
2531 | return CMD_SUCCESS; | |
2532 | } | |
2533 | ||
2534 | #ifdef HAVE_IPV6 | |
2535 | /* Only display ipv6 forwarding is enabled or not. */ | |
2536 | DEFUN (show_ipv6_forwarding, | |
2537 | show_ipv6_forwarding_cmd, | |
2538 | "show ipv6 forwarding", | |
2539 | SHOW_STR | |
2540 | "IPv6 information\n" | |
2541 | "Forwarding status\n") | |
2542 | { | |
2543 | int ret; | |
2544 | ||
2545 | ret = ipforward_ipv6 (); | |
2546 | ||
2547 | switch (ret) | |
2548 | { | |
2549 | case -1: | |
2550 | vty_out (vty, "ipv6 forwarding is unknown%s", VTY_NEWLINE); | |
2551 | break; | |
2552 | case 0: | |
2553 | vty_out (vty, "ipv6 forwarding is %s%s", "off", VTY_NEWLINE); | |
2554 | break; | |
2555 | case 1: | |
2556 | vty_out (vty, "ipv6 forwarding is %s%s", "on", VTY_NEWLINE); | |
2557 | break; | |
2558 | default: | |
2559 | vty_out (vty, "ipv6 forwarding is %s%s", "off", VTY_NEWLINE); | |
2560 | break; | |
2561 | } | |
2562 | return CMD_SUCCESS; | |
2563 | } | |
2564 | ||
55906724 | 2565 | DEFUN (ipv6_forwarding, |
2566 | ipv6_forwarding_cmd, | |
2567 | "ipv6 forwarding", | |
2568 | IPV6_STR | |
2569 | "Turn on IPv6 forwarding") | |
2570 | { | |
2571 | int ret; | |
2572 | ||
41d3fc96 | 2573 | ret = ipforward_ipv6 (); |
b71f00f2 | 2574 | if (ret == 0) |
2575 | ret = ipforward_ipv6_on (); | |
41d3fc96 | 2576 | |
41d3fc96 | 2577 | if (ret == 0) |
55906724 | 2578 | { |
2579 | vty_out (vty, "Can't turn on IPv6 forwarding%s", VTY_NEWLINE); | |
2580 | return CMD_WARNING; | |
2581 | } | |
2582 | ||
2583 | return CMD_SUCCESS; | |
2584 | } | |
2585 | ||
718e3744 | 2586 | DEFUN (no_ipv6_forwarding, |
2587 | no_ipv6_forwarding_cmd, | |
2588 | "no ipv6 forwarding", | |
2589 | NO_STR | |
55906724 | 2590 | IPV6_STR |
2591 | "Turn off IPv6 forwarding") | |
718e3744 | 2592 | { |
2593 | int ret; | |
2594 | ||
41d3fc96 | 2595 | ret = ipforward_ipv6 (); |
b71f00f2 | 2596 | if (ret != 0) |
2597 | ret = ipforward_ipv6_off (); | |
41d3fc96 | 2598 | |
718e3744 | 2599 | if (ret != 0) |
2600 | { | |
2601 | vty_out (vty, "Can't turn off IPv6 forwarding%s", VTY_NEWLINE); | |
2602 | return CMD_WARNING; | |
2603 | } | |
2604 | ||
2605 | return CMD_SUCCESS; | |
2606 | } | |
2607 | ||
2608 | #endif /* HAVE_IPV6 */ | |
2609 | ||
2610 | /* IPForwarding configuration write function. */ | |
719e9741 | 2611 | static int |
718e3744 | 2612 | config_write_forwarding (struct vty *vty) |
2613 | { | |
18a6dce6 | 2614 | /* FIXME: Find better place for that. */ |
2615 | router_id_write (vty); | |
2616 | ||
3e0b3a56 | 2617 | if (ipforward ()) |
2618 | vty_out (vty, "ip forwarding%s", VTY_NEWLINE); | |
718e3744 | 2619 | #ifdef HAVE_IPV6 |
3e0b3a56 | 2620 | if (ipforward_ipv6 ()) |
2621 | vty_out (vty, "ipv6 forwarding%s", VTY_NEWLINE); | |
718e3744 | 2622 | #endif /* HAVE_IPV6 */ |
2623 | vty_out (vty, "!%s", VTY_NEWLINE); | |
2624 | return 0; | |
2625 | } | |
2626 | ||
2627 | /* table node for routing tables. */ | |
7fc626de | 2628 | static struct cmd_node forwarding_node = |
718e3744 | 2629 | { |
2630 | FORWARDING_NODE, | |
2631 | "", /* This node has no interface. */ | |
2632 | 1 | |
2633 | }; | |
2634 | ||
6b0655a2 | 2635 | |
718e3744 | 2636 | /* Initialisation of zebra and installation of commands. */ |
2637 | void | |
a1ac18c4 | 2638 | zebra_init (void) |
718e3744 | 2639 | { |
2640 | /* Client list init. */ | |
b21b19c5 | 2641 | zebrad.client_list = list_new (); |
718e3744 | 2642 | |
718e3744 | 2643 | /* Install configuration write function. */ |
2644 | install_node (&table_node, config_write_table); | |
2645 | install_node (&forwarding_node, config_write_forwarding); | |
2646 | ||
2647 | install_element (VIEW_NODE, &show_ip_forwarding_cmd); | |
2648 | install_element (ENABLE_NODE, &show_ip_forwarding_cmd); | |
647e4f1f | 2649 | install_element (CONFIG_NODE, &ip_forwarding_cmd); |
718e3744 | 2650 | install_element (CONFIG_NODE, &no_ip_forwarding_cmd); |
2651 | install_element (ENABLE_NODE, &show_zebra_client_cmd); | |
04b02fda | 2652 | install_element (ENABLE_NODE, &show_zebra_client_summary_cmd); |
718e3744 | 2653 | |
2654 | #ifdef HAVE_NETLINK | |
2655 | install_element (VIEW_NODE, &show_table_cmd); | |
2656 | install_element (ENABLE_NODE, &show_table_cmd); | |
2657 | install_element (CONFIG_NODE, &config_table_cmd); | |
813d4307 | 2658 | install_element (CONFIG_NODE, &no_config_table_cmd); |
718e3744 | 2659 | #endif /* HAVE_NETLINK */ |
2660 | ||
2661 | #ifdef HAVE_IPV6 | |
2662 | install_element (VIEW_NODE, &show_ipv6_forwarding_cmd); | |
2663 | install_element (ENABLE_NODE, &show_ipv6_forwarding_cmd); | |
55906724 | 2664 | install_element (CONFIG_NODE, &ipv6_forwarding_cmd); |
718e3744 | 2665 | install_element (CONFIG_NODE, &no_ipv6_forwarding_cmd); |
2666 | #endif /* HAVE_IPV6 */ | |
7514fb77 PJ |
2667 | |
2668 | /* Route-map */ | |
2669 | zebra_route_map_init (); | |
718e3744 | 2670 | } |
97be79f9 DO |
2671 | |
2672 | /* Make zebra server socket, wiping any existing one (see bug #403). */ | |
2673 | void | |
b5114685 | 2674 | zebra_zserv_socket_init (char *path) |
97be79f9 DO |
2675 | { |
2676 | #ifdef HAVE_TCP_ZEBRA | |
2677 | zebra_serv (); | |
2678 | #else | |
b5114685 | 2679 | zebra_serv_un (path ? path : ZEBRA_SERV_PATH); |
97be79f9 DO |
2680 | #endif /* HAVE_TCP_ZEBRA */ |
2681 | } |