]>
Commit | Line | Data |
---|---|---|
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 | ||
718e3744 | 174 | /* Interface is added. Send ZEBRA_INTERFACE_ADD to client. */ |
b9df2d25 | 175 | /* |
176 | * This function is called in the following situations: | |
177 | * - in response to a 3-byte ZEBRA_INTERFACE_ADD request | |
178 | * from the client. | |
179 | * - at startup, when zebra figures out the available interfaces | |
180 | * - when an interface is added (where support for | |
181 | * RTM_IFANNOUNCE or AF_NETLINK sockets is available), or when | |
182 | * an interface is marked IFF_UP (i.e., an RTM_IFINFO message is | |
183 | * received) | |
184 | */ | |
718e3744 | 185 | int |
186 | zsend_interface_add (struct zserv *client, struct interface *ifp) | |
187 | { | |
188 | struct stream *s; | |
189 | ||
190 | /* Check this client need interface information. */ | |
7076bb2f | 191 | if (! vrf_bitmap_check (client->ifinfo, ifp->vrf_id)) |
719e9741 | 192 | return 0; |
718e3744 | 193 | |
194 | s = client->obuf; | |
195 | stream_reset (s); | |
196 | ||
7076bb2f | 197 | zserv_create_header (s, ZEBRA_INTERFACE_ADD, ifp->vrf_id); |
51d4ef83 | 198 | zserv_encode_interface (s, ifp); |
718e3744 | 199 | |
04b02fda | 200 | client->ifadd_cnt++; |
719e9741 | 201 | return zebra_server_send_message(client); |
718e3744 | 202 | } |
203 | ||
204 | /* Interface deletion from zebra daemon. */ | |
205 | int | |
206 | zsend_interface_delete (struct zserv *client, struct interface *ifp) | |
207 | { | |
208 | struct stream *s; | |
209 | ||
210 | /* Check this client need interface information. */ | |
7076bb2f | 211 | if (! vrf_bitmap_check (client->ifinfo, ifp->vrf_id)) |
719e9741 | 212 | return 0; |
718e3744 | 213 | |
214 | s = client->obuf; | |
215 | stream_reset (s); | |
718e3744 | 216 | |
7076bb2f | 217 | zserv_create_header (s, ZEBRA_INTERFACE_DELETE, ifp->vrf_id); |
51d4ef83 | 218 | zserv_encode_interface (s, ifp); |
718e3744 | 219 | |
04b02fda | 220 | client->ifdel_cnt++; |
719e9741 | 221 | return zebra_server_send_message (client); |
718e3744 | 222 | } |
223 | ||
b9df2d25 | 224 | /* Interface address is added/deleted. Send ZEBRA_INTERFACE_ADDRESS_ADD or |
225 | * ZEBRA_INTERFACE_ADDRESS_DELETE to the client. | |
226 | * | |
227 | * A ZEBRA_INTERFACE_ADDRESS_ADD is sent in the following situations: | |
228 | * - in response to a 3-byte ZEBRA_INTERFACE_ADD request | |
229 | * from the client, after the ZEBRA_INTERFACE_ADD has been | |
230 | * sent from zebra to the client | |
231 | * - redistribute new address info to all clients in the following situations | |
232 | * - at startup, when zebra figures out the available interfaces | |
233 | * - when an interface is added (where support for | |
234 | * RTM_IFANNOUNCE or AF_NETLINK sockets is available), or when | |
235 | * an interface is marked IFF_UP (i.e., an RTM_IFINFO message is | |
236 | * received) | |
237 | * - for the vty commands "ip address A.B.C.D/M [<secondary>|<label LINE>]" | |
238 | * and "no bandwidth <1-10000000>", "ipv6 address X:X::X:X/M" | |
239 | * - when an RTM_NEWADDR message is received from the kernel, | |
240 | * | |
241 | * The call tree that triggers ZEBRA_INTERFACE_ADDRESS_DELETE: | |
242 | * | |
243 | * zsend_interface_address(DELETE) | |
244 | * ^ | |
245 | * | | |
246 | * zebra_interface_address_delete_update | |
247 | * ^ ^ ^ | |
6eb8827d | 248 | * | | if_delete_update |
249 | * | | | |
b9df2d25 | 250 | * ip_address_uninstall connected_delete_ipv4 |
251 | * [ipv6_addresss_uninstall] [connected_delete_ipv6] | |
252 | * ^ ^ | |
253 | * | | | |
254 | * | RTM_NEWADDR on routing/netlink socket | |
255 | * | | |
256 | * vty commands: | |
257 | * "no ip address A.B.C.D/M [label LINE]" | |
258 | * "no ip address A.B.C.D/M secondary" | |
259 | * ["no ipv6 address X:X::X:X/M"] | |
260 | * | |
261 | */ | |
718e3744 | 262 | int |
b9df2d25 | 263 | zsend_interface_address (int cmd, struct zserv *client, |
264 | struct interface *ifp, struct connected *ifc) | |
718e3744 | 265 | { |
266 | int blen; | |
267 | struct stream *s; | |
268 | struct prefix *p; | |
269 | ||
270 | /* Check this client need interface information. */ | |
7076bb2f | 271 | if (! vrf_bitmap_check (client->ifinfo, ifp->vrf_id)) |
719e9741 | 272 | return 0; |
718e3744 | 273 | |
274 | s = client->obuf; | |
275 | stream_reset (s); | |
c1b9800a | 276 | |
7076bb2f | 277 | zserv_create_header (s, cmd, ifp->vrf_id); |
718e3744 | 278 | stream_putl (s, ifp->ifindex); |
279 | ||
280 | /* Interface address flag. */ | |
281 | stream_putc (s, ifc->flags); | |
282 | ||
283 | /* Prefix information. */ | |
284 | p = ifc->address; | |
285 | stream_putc (s, p->family); | |
286 | blen = prefix_blen (p); | |
287 | stream_put (s, &p->u.prefix, blen); | |
b9df2d25 | 288 | |
289 | /* | |
290 | * XXX gnu version does not send prefixlen for ZEBRA_INTERFACE_ADDRESS_DELETE | |
291 | * but zebra_interface_address_delete_read() in the gnu version | |
292 | * expects to find it | |
293 | */ | |
718e3744 | 294 | stream_putc (s, p->prefixlen); |
295 | ||
296 | /* Destination. */ | |
297 | p = ifc->destination; | |
298 | if (p) | |
299 | stream_put (s, &p->u.prefix, blen); | |
300 | else | |
301 | stream_put (s, NULL, blen); | |
302 | ||
303 | /* Write packet size. */ | |
304 | stream_putw_at (s, 0, stream_get_endp (s)); | |
305 | ||
04b02fda | 306 | client->connected_rt_add_cnt++; |
719e9741 | 307 | return zebra_server_send_message(client); |
718e3744 | 308 | } |
309 | ||
a80beece DS |
310 | static int |
311 | zsend_interface_nbr_address (int cmd, struct zserv *client, | |
312 | struct interface *ifp, struct nbr_connected *ifc) | |
313 | { | |
314 | int blen; | |
315 | struct stream *s; | |
316 | struct prefix *p; | |
317 | ||
318 | /* Check this client need interface information. */ | |
319 | if (! client->ifinfo) | |
320 | return 0; | |
321 | ||
322 | s = client->obuf; | |
323 | stream_reset (s); | |
324 | ||
7076bb2f | 325 | zserv_create_header (s, cmd, ifp->vrf_id); |
a80beece DS |
326 | stream_putl (s, ifp->ifindex); |
327 | ||
328 | /* Prefix information. */ | |
329 | p = ifc->address; | |
330 | stream_putc (s, p->family); | |
331 | blen = prefix_blen (p); | |
332 | stream_put (s, &p->u.prefix, blen); | |
333 | ||
334 | /* | |
335 | * XXX gnu version does not send prefixlen for ZEBRA_INTERFACE_ADDRESS_DELETE | |
336 | * but zebra_interface_address_delete_read() in the gnu version | |
337 | * expects to find it | |
338 | */ | |
339 | stream_putc (s, p->prefixlen); | |
340 | ||
341 | /* Write packet size. */ | |
342 | stream_putw_at (s, 0, stream_get_endp (s)); | |
343 | ||
344 | return zebra_server_send_message(client); | |
345 | } | |
346 | ||
347 | /* Interface address addition. */ | |
348 | static void | |
349 | zebra_interface_nbr_address_add_update (struct interface *ifp, | |
350 | struct nbr_connected *ifc) | |
351 | { | |
352 | struct listnode *node, *nnode; | |
353 | struct zserv *client; | |
354 | struct prefix *p; | |
355 | ||
356 | if (IS_ZEBRA_DEBUG_EVENT) | |
357 | { | |
358 | char buf[INET6_ADDRSTRLEN]; | |
359 | ||
360 | p = ifc->address; | |
361 | zlog_debug ("MESSAGE: ZEBRA_INTERFACE_NBR_ADDRESS_ADD %s/%d on %s", | |
362 | inet_ntop (p->family, &p->u.prefix, buf, INET6_ADDRSTRLEN), | |
363 | p->prefixlen, ifc->ifp->name); | |
364 | } | |
365 | ||
366 | for (ALL_LIST_ELEMENTS (zebrad.client_list, node, nnode, client)) | |
367 | if (client->ifinfo) | |
368 | zsend_interface_nbr_address (ZEBRA_INTERFACE_NBR_ADDRESS_ADD, client, ifp, ifc); | |
369 | } | |
370 | ||
371 | /* Interface address deletion. */ | |
372 | static void | |
373 | zebra_interface_nbr_address_delete_update (struct interface *ifp, | |
374 | struct nbr_connected *ifc) | |
375 | { | |
376 | struct listnode *node, *nnode; | |
377 | struct zserv *client; | |
378 | struct prefix *p; | |
379 | ||
380 | if (IS_ZEBRA_DEBUG_EVENT) | |
381 | { | |
382 | char buf[INET6_ADDRSTRLEN]; | |
383 | ||
384 | p = ifc->address; | |
385 | zlog_debug ("MESSAGE: ZEBRA_INTERFACE_NBR_ADDRESS_DELETE %s/%d on %s", | |
386 | inet_ntop (p->family, &p->u.prefix, buf, INET6_ADDRSTRLEN), | |
387 | p->prefixlen, ifc->ifp->name); | |
388 | } | |
389 | ||
390 | for (ALL_LIST_ELEMENTS (zebrad.client_list, node, nnode, client)) | |
391 | if (client->ifinfo) | |
392 | zsend_interface_nbr_address (ZEBRA_INTERFACE_NBR_ADDRESS_DELETE, client, ifp, ifc); | |
393 | } | |
394 | ||
395 | /* Add new nbr connected IPv6 address if none exists already, or replace the | |
396 | existing one if an ifc entry is found on the interface. */ | |
397 | void | |
398 | nbr_connected_replacement_add_ipv6 (struct interface *ifp, struct in6_addr *address, | |
399 | u_char prefixlen) | |
400 | { | |
401 | struct nbr_connected *ifc; | |
402 | struct prefix p; | |
403 | ||
404 | p.family = AF_INET6; | |
405 | IPV6_ADDR_COPY (&p.u.prefix, address); | |
406 | p.prefixlen = prefixlen; | |
407 | ||
408 | if (nbr_connected_check(ifp, &p)) | |
409 | return; | |
410 | ||
411 | if (!(ifc = listnode_head(ifp->nbr_connected))) | |
412 | { | |
413 | /* new addition */ | |
414 | ifc = nbr_connected_new (); | |
415 | ifc->address = prefix_new(); | |
416 | ifc->ifp = ifp; | |
417 | listnode_add (ifp->nbr_connected, ifc); | |
418 | } | |
419 | ||
420 | prefix_copy(ifc->address, &p); | |
421 | ||
422 | zebra_interface_nbr_address_add_update (ifp, ifc); | |
5c610faf DS |
423 | |
424 | if_nbr_ipv6ll_to_ipv4ll_neigh_update (ifp, address, 1); | |
a80beece DS |
425 | } |
426 | ||
427 | void | |
428 | nbr_connected_delete_ipv6 (struct interface *ifp, struct in6_addr *address, | |
429 | u_char prefixlen) | |
430 | { | |
431 | struct nbr_connected *ifc; | |
432 | struct prefix p; | |
433 | ||
434 | p.family = AF_INET6; | |
435 | IPV6_ADDR_COPY (&p.u.prefix, address); | |
436 | p.prefixlen = prefixlen; | |
437 | ||
438 | ifc = nbr_connected_check(ifp, &p); | |
439 | if (!ifc) | |
440 | return; | |
441 | ||
442 | listnode_delete (ifp->nbr_connected, ifc); | |
443 | ||
444 | zebra_interface_nbr_address_delete_update (ifp, ifc); | |
445 | ||
5c610faf DS |
446 | if_nbr_ipv6ll_to_ipv4ll_neigh_update (ifp, address, 0); |
447 | ||
a80beece DS |
448 | nbr_connected_free (ifc); |
449 | } | |
450 | ||
b9df2d25 | 451 | /* |
452 | * The cmd passed to zsend_interface_update may be ZEBRA_INTERFACE_UP or | |
453 | * ZEBRA_INTERFACE_DOWN. | |
454 | * | |
455 | * The ZEBRA_INTERFACE_UP message is sent from the zebra server to | |
456 | * the clients in one of 2 situations: | |
457 | * - an if_up is detected e.g., as a result of an RTM_IFINFO message | |
458 | * - a vty command modifying the bandwidth of an interface is received. | |
459 | * The ZEBRA_INTERFACE_DOWN message is sent when an if_down is detected. | |
460 | */ | |
718e3744 | 461 | int |
b9df2d25 | 462 | zsend_interface_update (int cmd, struct zserv *client, struct interface *ifp) |
718e3744 | 463 | { |
464 | struct stream *s; | |
465 | ||
466 | /* Check this client need interface information. */ | |
7076bb2f | 467 | if (! vrf_bitmap_check (client->ifinfo, ifp->vrf_id)) |
719e9741 | 468 | return 0; |
718e3744 | 469 | |
470 | s = client->obuf; | |
471 | stream_reset (s); | |
472 | ||
7076bb2f | 473 | zserv_create_header (s, cmd, ifp->vrf_id); |
51d4ef83 | 474 | zserv_encode_interface (s, ifp); |
718e3744 | 475 | |
04b02fda DS |
476 | if (cmd == ZEBRA_INTERFACE_UP) |
477 | client->ifup_cnt++; | |
478 | else | |
479 | client->ifdown_cnt++; | |
480 | ||
719e9741 | 481 | return zebra_server_send_message(client); |
718e3744 | 482 | } |
483 | ||
b9df2d25 | 484 | /* |
5048fe14 | 485 | * This is the new function to announce and withdraw redistributed routes, used |
486 | * by Zebra. This is the old zsend_route_multipath() function. That function | |
487 | * was duplicating code to send a lot of information that was essentially thrown | |
488 | * away or ignored by the receiver. This is the leaner function that is not a | |
489 | * duplicate of the zapi_ipv4_route_add/del. | |
b9df2d25 | 490 | * |
5048fe14 | 491 | * The primary difference is that this function merely sends a single NH instead of |
492 | * all the nexthops. | |
b9df2d25 | 493 | */ |
718e3744 | 494 | int |
5048fe14 | 495 | zsend_redistribute_route (int cmd, struct zserv *client, struct prefix *p, |
496 | struct rib *rib) | |
718e3744 | 497 | { |
498 | int psize; | |
499 | struct stream *s; | |
500 | struct nexthop *nexthop; | |
1dcb5172 | 501 | unsigned long nhnummark = 0, messmark = 0; |
b9df2d25 | 502 | int nhnum = 0; |
1dcb5172 | 503 | u_char zapi_flags = 0; |
5048fe14 | 504 | struct nexthop dummy_nh; |
505 | ||
7076bb2f FL |
506 | /* Came from VRF lib patch, is this really needed? callers of this routine |
507 | do check for redist.., so may be its not needed. | |
508 | Check this client need this route. | |
509 | if (!vrf_bitmap_check (client->redist[family2afi(p->family)][rib->type], | |
510 | rib->vrf_id) && | |
511 | !(is_default (p) && | |
512 | vrf_bitmap_check (client->redist_default, rib->vrf_id))) | |
513 | return 0; | |
514 | */ | |
515 | ||
718e3744 | 516 | s = client->obuf; |
517 | stream_reset (s); | |
5048fe14 | 518 | memset(&dummy_nh, 0, sizeof(struct nexthop)); |
519 | ||
7076bb2f FL |
520 | zserv_create_header (s, cmd, rib->vrf_id); |
521 | ||
c1b9800a | 522 | /* Put type and nexthop. */ |
718e3744 | 523 | stream_putc (s, rib->type); |
7c8ff89e | 524 | stream_putw (s, rib->instance); |
718e3744 | 525 | stream_putc (s, rib->flags); |
5048fe14 | 526 | |
1dcb5172 | 527 | /* marker for message flags field */ |
528 | messmark = stream_get_endp (s); | |
529 | stream_putc (s, 0); | |
718e3744 | 530 | |
531 | /* Prefix. */ | |
532 | psize = PSIZE (p->prefixlen); | |
533 | stream_putc (s, p->prefixlen); | |
b9df2d25 | 534 | stream_write (s, (u_char *) & p->u.prefix, psize); |
535 | ||
718e3744 | 536 | for (nexthop = rib->nexthop; nexthop; nexthop = nexthop->next) |
537 | { | |
5048fe14 | 538 | /* We don't send any nexthops when there's a multipath */ |
539 | if (rib->nexthop_active_num > 1) | |
540 | { | |
541 | SET_FLAG (zapi_flags, ZAPI_MESSAGE_NEXTHOP); | |
542 | SET_FLAG (zapi_flags, ZAPI_MESSAGE_IFINDEX); | |
543 | ||
544 | stream_putc(s, 1); | |
545 | if (p->family == AF_INET) | |
546 | { | |
547 | stream_put_in_addr (s, &dummy_nh.gate.ipv4); | |
548 | } | |
549 | else if (p->family == AF_INET6) | |
550 | { | |
551 | stream_write (s, (u_char *) &dummy_nh.gate.ipv6, 16); | |
552 | } | |
553 | else | |
554 | { | |
555 | /* We don't handle anything else now, abort */ | |
556 | zlog_err("%s: Unable to redistribute route of unknown family, %d\n", | |
557 | __func__, p->family); | |
558 | return -1; | |
559 | } | |
560 | stream_putc (s, 1); | |
561 | stream_putl (s, 0); /* dummy ifindex */ | |
562 | break; | |
563 | } | |
564 | ||
fa713d9e CF |
565 | if (CHECK_FLAG(nexthop->flags, NEXTHOP_FLAG_FIB) |
566 | || nexthop_has_fib_child(nexthop)) | |
b9df2d25 | 567 | { |
1dcb5172 | 568 | SET_FLAG (zapi_flags, ZAPI_MESSAGE_NEXTHOP); |
569 | SET_FLAG (zapi_flags, ZAPI_MESSAGE_IFINDEX); | |
1dcb5172 | 570 | if (nhnummark == 0) |
571 | { | |
572 | nhnummark = stream_get_endp (s); | |
573 | stream_putc (s, 1); /* placeholder */ | |
574 | } | |
b9df2d25 | 575 | nhnum++; |
576 | ||
577 | switch(nexthop->type) | |
578 | { | |
579 | case NEXTHOP_TYPE_IPV4: | |
580 | case NEXTHOP_TYPE_IPV4_IFINDEX: | |
581 | stream_put_in_addr (s, &nexthop->gate.ipv4); | |
582 | break; | |
718e3744 | 583 | #ifdef HAVE_IPV6 |
b9df2d25 | 584 | case NEXTHOP_TYPE_IPV6: |
585 | case NEXTHOP_TYPE_IPV6_IFINDEX: | |
586 | case NEXTHOP_TYPE_IPV6_IFNAME: | |
5048fe14 | 587 | /* Only BGP supports IPv4 prefix with IPv6 NH, so kill this */ |
588 | if (p->family == AF_INET) | |
589 | stream_put_in_addr(s, &dummy_nh.gate.ipv4); | |
590 | else | |
591 | stream_write (s, (u_char *) &nexthop->gate.ipv6, 16); | |
b9df2d25 | 592 | break; |
593 | #endif | |
594 | default: | |
5048fe14 | 595 | if (cmd == ZEBRA_REDISTRIBUTE_IPV4_ADD |
596 | || cmd == ZEBRA_REDISTRIBUTE_IPV4_DEL) | |
b9df2d25 | 597 | { |
598 | struct in_addr empty; | |
44983cf8 | 599 | memset (&empty, 0, sizeof (struct in_addr)); |
b9df2d25 | 600 | stream_write (s, (u_char *) &empty, IPV4_MAX_BYTELEN); |
601 | } | |
602 | else | |
603 | { | |
604 | struct in6_addr empty; | |
605 | memset (&empty, 0, sizeof (struct in6_addr)); | |
606 | stream_write (s, (u_char *) &empty, IPV6_MAX_BYTELEN); | |
607 | } | |
608 | } | |
609 | ||
610 | /* Interface index. */ | |
611 | stream_putc (s, 1); | |
612 | stream_putl (s, nexthop->ifindex); | |
613 | ||
614 | break; | |
615 | } | |
718e3744 | 616 | } |
617 | ||
618 | /* Metric */ | |
5048fe14 | 619 | if (cmd == ZEBRA_REDISTRIBUTE_IPV4_ADD || cmd == ZEBRA_REDISTRIBUTE_IPV6_ADD) |
1dcb5172 | 620 | { |
fbf5d033 | 621 | SET_FLAG (zapi_flags, ZAPI_MESSAGE_DISTANCE); |
622 | stream_putc (s, rib->distance); | |
1dcb5172 | 623 | SET_FLAG (zapi_flags, ZAPI_MESSAGE_METRIC); |
624 | stream_putl (s, rib->metric); | |
0d9551dc DS |
625 | |
626 | /* tag */ | |
627 | if (rib->tag) | |
628 | { | |
629 | SET_FLAG(zapi_flags, ZAPI_MESSAGE_TAG); | |
630 | stream_putw(s, rib->tag); | |
631 | } | |
1dcb5172 | 632 | } |
5048fe14 | 633 | |
1dcb5172 | 634 | /* write real message flags value */ |
635 | stream_putc_at (s, messmark, zapi_flags); | |
5048fe14 | 636 | |
b9df2d25 | 637 | /* Write next-hop number */ |
638 | if (nhnummark) | |
c1eaa442 | 639 | stream_putc_at (s, nhnummark, nhnum); |
5048fe14 | 640 | |
718e3744 | 641 | /* Write packet size. */ |
642 | stream_putw_at (s, 0, stream_get_endp (s)); | |
643 | ||
719e9741 | 644 | return zebra_server_send_message(client); |
718e3744 | 645 | } |
646 | ||
b9df2d25 | 647 | #ifdef HAVE_IPV6 |
719e9741 | 648 | static int |
7076bb2f FL |
649 | zsend_ipv6_nexthop_lookup (struct zserv *client, struct in6_addr *addr, |
650 | vrf_id_t vrf_id) | |
718e3744 | 651 | { |
652 | struct stream *s; | |
653 | struct rib *rib; | |
654 | unsigned long nump; | |
655 | u_char num; | |
656 | struct nexthop *nexthop; | |
657 | ||
658 | /* Lookup nexthop. */ | |
7076bb2f | 659 | rib = rib_match_ipv6 (addr, vrf_id); |
718e3744 | 660 | |
661 | /* Get output stream. */ | |
662 | s = client->obuf; | |
663 | stream_reset (s); | |
664 | ||
665 | /* Fill in result. */ | |
7076bb2f | 666 | zserv_create_header (s, ZEBRA_IPV6_NEXTHOP_LOOKUP, vrf_id); |
718e3744 | 667 | stream_put (s, &addr, 16); |
668 | ||
669 | if (rib) | |
670 | { | |
671 | stream_putl (s, rib->metric); | |
672 | num = 0; | |
9985f83c | 673 | nump = stream_get_endp(s); |
718e3744 | 674 | stream_putc (s, 0); |
fa713d9e CF |
675 | /* Only non-recursive routes are elegible to resolve nexthop we |
676 | * are looking up. Therefore, we will just iterate over the top | |
677 | * chain of nexthops. */ | |
718e3744 | 678 | for (nexthop = rib->nexthop; nexthop; nexthop = nexthop->next) |
679 | if (CHECK_FLAG (nexthop->flags, NEXTHOP_FLAG_FIB)) | |
680 | { | |
681 | stream_putc (s, nexthop->type); | |
682 | switch (nexthop->type) | |
683 | { | |
684 | case ZEBRA_NEXTHOP_IPV6: | |
685 | stream_put (s, &nexthop->gate.ipv6, 16); | |
686 | break; | |
687 | case ZEBRA_NEXTHOP_IPV6_IFINDEX: | |
688 | case ZEBRA_NEXTHOP_IPV6_IFNAME: | |
689 | stream_put (s, &nexthop->gate.ipv6, 16); | |
690 | stream_putl (s, nexthop->ifindex); | |
691 | break; | |
692 | case ZEBRA_NEXTHOP_IFINDEX: | |
693 | case ZEBRA_NEXTHOP_IFNAME: | |
694 | stream_putl (s, nexthop->ifindex); | |
695 | break; | |
fa2b17e3 | 696 | default: |
697 | /* do nothing */ | |
698 | break; | |
718e3744 | 699 | } |
700 | num++; | |
701 | } | |
702 | stream_putc_at (s, nump, num); | |
703 | } | |
704 | else | |
705 | { | |
706 | stream_putl (s, 0); | |
707 | stream_putc (s, 0); | |
708 | } | |
709 | ||
710 | stream_putw_at (s, 0, stream_get_endp (s)); | |
04b02fda | 711 | |
719e9741 | 712 | return zebra_server_send_message(client); |
718e3744 | 713 | } |
714 | #endif /* HAVE_IPV6 */ | |
715 | ||
b9df2d25 | 716 | static int |
7076bb2f FL |
717 | zsend_ipv4_nexthop_lookup (struct zserv *client, struct in_addr addr, |
718 | vrf_id_t vrf_id) | |
718e3744 | 719 | { |
720 | struct stream *s; | |
721 | struct rib *rib; | |
722 | unsigned long nump; | |
723 | u_char num; | |
724 | struct nexthop *nexthop; | |
725 | ||
726 | /* Lookup nexthop. */ | |
7076bb2f | 727 | rib = rib_match_ipv4 (addr, vrf_id); |
718e3744 | 728 | |
729 | /* Get output stream. */ | |
730 | s = client->obuf; | |
731 | stream_reset (s); | |
732 | ||
733 | /* Fill in result. */ | |
7076bb2f | 734 | zserv_create_header (s, ZEBRA_IPV4_NEXTHOP_LOOKUP, vrf_id); |
718e3744 | 735 | stream_put_in_addr (s, &addr); |
736 | ||
737 | if (rib) | |
738 | { | |
bb97e462 CF |
739 | if (IS_ZEBRA_DEBUG_PACKET && IS_ZEBRA_DEBUG_RECV) |
740 | zlog_debug("%s: Matching rib entry found.", __func__); | |
718e3744 | 741 | stream_putl (s, rib->metric); |
742 | num = 0; | |
9985f83c | 743 | nump = stream_get_endp(s); |
718e3744 | 744 | stream_putc (s, 0); |
fa713d9e CF |
745 | /* Only non-recursive routes are elegible to resolve the nexthop we |
746 | * are looking up. Therefore, we will just iterate over the top | |
747 | * chain of nexthops. */ | |
718e3744 | 748 | for (nexthop = rib->nexthop; nexthop; nexthop = nexthop->next) |
749 | if (CHECK_FLAG (nexthop->flags, NEXTHOP_FLAG_FIB)) | |
750 | { | |
751 | stream_putc (s, nexthop->type); | |
752 | switch (nexthop->type) | |
753 | { | |
754 | case ZEBRA_NEXTHOP_IPV4: | |
755 | stream_put_in_addr (s, &nexthop->gate.ipv4); | |
756 | break; | |
bb97e462 CF |
757 | case ZEBRA_NEXTHOP_IPV4_IFINDEX: |
758 | stream_put_in_addr (s, &nexthop->gate.ipv4); | |
759 | stream_putl (s, nexthop->ifindex); | |
760 | break; | |
718e3744 | 761 | case ZEBRA_NEXTHOP_IFINDEX: |
762 | case ZEBRA_NEXTHOP_IFNAME: | |
763 | stream_putl (s, nexthop->ifindex); | |
764 | break; | |
fa2b17e3 | 765 | default: |
766 | /* do nothing */ | |
767 | break; | |
718e3744 | 768 | } |
769 | num++; | |
770 | } | |
771 | stream_putc_at (s, nump, num); | |
772 | } | |
773 | else | |
774 | { | |
bb97e462 CF |
775 | if (IS_ZEBRA_DEBUG_PACKET && IS_ZEBRA_DEBUG_RECV) |
776 | zlog_debug("%s: No matching rib entry found.", __func__); | |
718e3744 | 777 | stream_putl (s, 0); |
778 | stream_putc (s, 0); | |
779 | } | |
780 | ||
781 | stream_putw_at (s, 0, stream_get_endp (s)); | |
782 | ||
719e9741 | 783 | return zebra_server_send_message(client); |
718e3744 | 784 | } |
785 | ||
fb018d25 DS |
786 | /* Nexthop register */ |
787 | static int | |
078430f6 | 788 | zserv_rnh_register (struct zserv *client, int sock, u_short length, |
7076bb2f | 789 | rnh_type_t type, vrf_id_t vrf_id) |
fb018d25 DS |
790 | { |
791 | struct rnh *rnh; | |
792 | struct stream *s; | |
793 | struct prefix p; | |
794 | u_short l = 0; | |
078430f6 | 795 | u_char flags = 0; |
fb018d25 DS |
796 | |
797 | if (IS_ZEBRA_DEBUG_NHT) | |
078430f6 DS |
798 | zlog_debug("rnh_register msg from client %s: length=%d, type=%s\n", |
799 | zebra_route_string(client->proto), length, | |
800 | (type == RNH_NEXTHOP_TYPE) ? "nexthop" : "route"); | |
fb018d25 DS |
801 | |
802 | s = client->ibuf; | |
803 | ||
078430f6 DS |
804 | client->nh_reg_time = quagga_time(NULL); |
805 | ||
fb018d25 DS |
806 | while (l < length) |
807 | { | |
078430f6 | 808 | flags = stream_getc(s); |
fb018d25 DS |
809 | p.family = stream_getw(s); |
810 | p.prefixlen = stream_getc(s); | |
fc9a856f | 811 | l += 4; |
078430f6 DS |
812 | if (p.family == AF_INET) |
813 | { | |
814 | p.u.prefix4.s_addr = stream_get_ipv4(s); | |
815 | l += IPV4_MAX_BYTELEN; | |
816 | } | |
817 | else if (p.family == AF_INET6) | |
818 | { | |
819 | stream_get(&p.u.prefix6, s, IPV6_MAX_BYTELEN); | |
820 | l += IPV6_MAX_BYTELEN; | |
821 | } | |
822 | else | |
823 | { | |
824 | zlog_err("rnh_register: Received unknown family type %d\n", | |
825 | p.family); | |
826 | return -1; | |
827 | } | |
828 | rnh = zebra_add_rnh(&p, 0, type); | |
829 | if (type == RNH_NEXTHOP_TYPE) | |
830 | { | |
831 | if (flags && !CHECK_FLAG(rnh->flags, ZEBRA_NHT_CONNECTED)) | |
832 | SET_FLAG(rnh->flags, ZEBRA_NHT_CONNECTED); | |
833 | else if (!flags && CHECK_FLAG(rnh->flags, ZEBRA_NHT_CONNECTED)) | |
834 | UNSET_FLAG(rnh->flags, ZEBRA_NHT_CONNECTED); | |
835 | } | |
836 | else if (type == RNH_IMPORT_CHECK_TYPE) | |
837 | { | |
838 | if (flags && !CHECK_FLAG(rnh->flags, ZEBRA_NHT_EXACT_MATCH)) | |
839 | SET_FLAG(rnh->flags, ZEBRA_NHT_EXACT_MATCH); | |
840 | else if (!flags && CHECK_FLAG(rnh->flags, ZEBRA_NHT_EXACT_MATCH)) | |
841 | UNSET_FLAG(rnh->flags, ZEBRA_NHT_EXACT_MATCH); | |
842 | } | |
843 | ||
7076bb2f | 844 | zebra_add_rnh_client(rnh, client, type, vrf_id); |
078430f6 DS |
845 | /* Anything not AF_INET/INET6 has been filtered out above */ |
846 | zebra_evaluate_rnh(0, p.family, 1, type, &p); | |
fb018d25 | 847 | } |
fb018d25 DS |
848 | return 0; |
849 | } | |
850 | ||
851 | /* Nexthop register */ | |
852 | static int | |
078430f6 DS |
853 | zserv_rnh_unregister (struct zserv *client, int sock, u_short length, |
854 | rnh_type_t type) | |
fb018d25 DS |
855 | { |
856 | struct rnh *rnh; | |
857 | struct stream *s; | |
858 | struct prefix p; | |
859 | u_short l = 0; | |
860 | ||
861 | if (IS_ZEBRA_DEBUG_NHT) | |
078430f6 | 862 | zlog_debug("rnh_unregister msg from client %s: length=%d\n", |
fb018d25 DS |
863 | zebra_route_string(client->proto), length); |
864 | ||
865 | s = client->ibuf; | |
866 | ||
867 | while (l < length) | |
868 | { | |
4e3afb14 | 869 | (void)stream_getc(s); //Connected or not. Not used in this function |
fb018d25 DS |
870 | p.family = stream_getw(s); |
871 | p.prefixlen = stream_getc(s); | |
fc9a856f | 872 | l += 4; |
078430f6 DS |
873 | if (p.family == AF_INET) |
874 | { | |
875 | p.u.prefix4.s_addr = stream_get_ipv4(s); | |
876 | l += IPV4_MAX_BYTELEN; | |
877 | } | |
878 | else if (p.family == AF_INET6) | |
879 | { | |
880 | stream_get(&p.u.prefix6, s, IPV6_MAX_BYTELEN); | |
881 | l += IPV6_MAX_BYTELEN; | |
882 | } | |
883 | else | |
884 | { | |
885 | zlog_err("rnh_register: Received unknown family type %d\n", | |
886 | p.family); | |
887 | return -1; | |
888 | } | |
889 | rnh = zebra_lookup_rnh(&p, 0, type); | |
fb018d25 | 890 | if (rnh) |
04b02fda DS |
891 | { |
892 | client->nh_dereg_time = quagga_time(NULL); | |
078430f6 | 893 | zebra_remove_rnh_client(rnh, client, type); |
04b02fda | 894 | } |
fb018d25 DS |
895 | } |
896 | return 0; | |
897 | } | |
898 | ||
b9df2d25 | 899 | static int |
7076bb2f FL |
900 | zsend_ipv4_import_lookup (struct zserv *client, struct prefix_ipv4 *p, |
901 | vrf_id_t vrf_id) | |
718e3744 | 902 | { |
903 | struct stream *s; | |
904 | struct rib *rib; | |
905 | unsigned long nump; | |
906 | u_char num; | |
907 | struct nexthop *nexthop; | |
908 | ||
909 | /* Lookup nexthop. */ | |
7076bb2f | 910 | rib = rib_lookup_ipv4 (p, vrf_id); |
718e3744 | 911 | |
912 | /* Get output stream. */ | |
913 | s = client->obuf; | |
914 | stream_reset (s); | |
915 | ||
916 | /* Fill in result. */ | |
7076bb2f | 917 | zserv_create_header (s, ZEBRA_IPV4_IMPORT_LOOKUP, vrf_id); |
718e3744 | 918 | stream_put_in_addr (s, &p->prefix); |
919 | ||
920 | if (rib) | |
921 | { | |
922 | stream_putl (s, rib->metric); | |
923 | num = 0; | |
9985f83c | 924 | nump = stream_get_endp(s); |
718e3744 | 925 | stream_putc (s, 0); |
926 | for (nexthop = rib->nexthop; nexthop; nexthop = nexthop->next) | |
fa713d9e CF |
927 | if (CHECK_FLAG(nexthop->flags, NEXTHOP_FLAG_FIB) |
928 | || nexthop_has_fib_child(nexthop)) | |
718e3744 | 929 | { |
930 | stream_putc (s, nexthop->type); | |
931 | switch (nexthop->type) | |
932 | { | |
933 | case ZEBRA_NEXTHOP_IPV4: | |
934 | stream_put_in_addr (s, &nexthop->gate.ipv4); | |
935 | break; | |
a12afd5e CF |
936 | case ZEBRA_NEXTHOP_IPV4_IFINDEX: |
937 | stream_put_in_addr (s, &nexthop->gate.ipv4); | |
938 | stream_putl (s, nexthop->ifindex); | |
939 | break; | |
718e3744 | 940 | case ZEBRA_NEXTHOP_IFINDEX: |
941 | case ZEBRA_NEXTHOP_IFNAME: | |
942 | stream_putl (s, nexthop->ifindex); | |
943 | break; | |
fa2b17e3 | 944 | default: |
945 | /* do nothing */ | |
946 | break; | |
718e3744 | 947 | } |
948 | num++; | |
949 | } | |
950 | stream_putc_at (s, nump, num); | |
951 | } | |
952 | else | |
953 | { | |
954 | stream_putl (s, 0); | |
955 | stream_putc (s, 0); | |
956 | } | |
957 | ||
958 | stream_putw_at (s, 0, stream_get_endp (s)); | |
04b02fda | 959 | |
719e9741 | 960 | return zebra_server_send_message(client); |
718e3744 | 961 | } |
6b0655a2 | 962 | |
18a6dce6 | 963 | /* Router-id is updated. Send ZEBRA_ROUTER_ID_ADD to client. */ |
964 | int | |
c6ffe645 FL |
965 | zsend_router_id_update (struct zserv *client, struct prefix *p, |
966 | vrf_id_t vrf_id) | |
18a6dce6 | 967 | { |
968 | struct stream *s; | |
969 | int blen; | |
970 | ||
971 | /* Check this client need interface information. */ | |
7076bb2f | 972 | if (! vrf_bitmap_check (client->ridinfo, vrf_id)) |
719e9741 | 973 | return 0; |
18a6dce6 | 974 | |
975 | s = client->obuf; | |
976 | stream_reset (s); | |
977 | ||
18a6dce6 | 978 | /* Message type. */ |
7076bb2f | 979 | zserv_create_header (s, ZEBRA_ROUTER_ID_UPDATE, vrf_id); |
18a6dce6 | 980 | |
981 | /* Prefix information. */ | |
982 | stream_putc (s, p->family); | |
983 | blen = prefix_blen (p); | |
984 | stream_put (s, &p->u.prefix, blen); | |
985 | stream_putc (s, p->prefixlen); | |
986 | ||
987 | /* Write packet size. */ | |
988 | stream_putw_at (s, 0, stream_get_endp (s)); | |
989 | ||
719e9741 | 990 | return zebra_server_send_message(client); |
18a6dce6 | 991 | } |
6b0655a2 | 992 | |
718e3744 | 993 | /* Register zebra server interface information. Send current all |
994 | interface and address information. */ | |
719e9741 | 995 | static int |
7076bb2f | 996 | zread_interface_add (struct zserv *client, u_short length, vrf_id_t vrf_id) |
718e3744 | 997 | { |
1eb8ef25 | 998 | struct listnode *ifnode, *ifnnode; |
999 | struct listnode *cnode, *cnnode; | |
718e3744 | 1000 | struct interface *ifp; |
1001 | struct connected *c; | |
a80beece | 1002 | struct nbr_connected *nc; |
718e3744 | 1003 | |
1004 | /* Interface information is needed. */ | |
7076bb2f | 1005 | vrf_bitmap_set (client->ifinfo, vrf_id); |
718e3744 | 1006 | |
7076bb2f | 1007 | for (ALL_LIST_ELEMENTS (vrf_iflist (vrf_id), ifnode, ifnnode, ifp)) |
718e3744 | 1008 | { |
718e3744 | 1009 | /* Skip pseudo interface. */ |
1010 | if (! CHECK_FLAG (ifp->status, ZEBRA_INTERFACE_ACTIVE)) | |
1011 | continue; | |
1012 | ||
719e9741 | 1013 | if (zsend_interface_add (client, ifp) < 0) |
1014 | return -1; | |
718e3744 | 1015 | |
1eb8ef25 | 1016 | for (ALL_LIST_ELEMENTS (ifp->connected, cnode, cnnode, c)) |
718e3744 | 1017 | { |
719e9741 | 1018 | if (CHECK_FLAG (c->conf, ZEBRA_IFC_REAL) && |
1019 | (zsend_interface_address (ZEBRA_INTERFACE_ADDRESS_ADD, client, | |
1020 | ifp, c) < 0)) | |
1021 | return -1; | |
718e3744 | 1022 | } |
a80beece DS |
1023 | for (ALL_LIST_ELEMENTS (ifp->nbr_connected, cnode, cnnode, nc)) |
1024 | { | |
1025 | if (zsend_interface_nbr_address (ZEBRA_INTERFACE_NBR_ADDRESS_ADD, client, | |
1026 | ifp, nc) < 0) | |
1027 | return -1; | |
1028 | } | |
1029 | ||
718e3744 | 1030 | } |
719e9741 | 1031 | return 0; |
718e3744 | 1032 | } |
1033 | ||
1034 | /* Unregister zebra server interface information. */ | |
719e9741 | 1035 | static int |
7076bb2f | 1036 | zread_interface_delete (struct zserv *client, u_short length, vrf_id_t vrf_id) |
718e3744 | 1037 | { |
7076bb2f | 1038 | vrf_bitmap_unset (client->ifinfo, vrf_id); |
719e9741 | 1039 | return 0; |
718e3744 | 1040 | } |
1041 | ||
6878b9db DS |
1042 | void |
1043 | zserv_nexthop_num_warn (const char *caller, const struct prefix *p, const u_char nexthop_num) | |
1044 | { | |
7c5d2b76 | 1045 | if (nexthop_num > MULTIPATH_NUM) |
6878b9db DS |
1046 | { |
1047 | char buff[80]; | |
1048 | prefix2str(p, buff, 80); | |
1049 | zlog_warn("%s: Prefix %s has %d nexthops, but we can only use the first %d", | |
1050 | caller, buff, nexthop_num, MULTIPATH_NUM); | |
1051 | } | |
1052 | } | |
1053 | ||
718e3744 | 1054 | /* This function support multiple nexthop. */ |
b9df2d25 | 1055 | /* |
1056 | * Parse the ZEBRA_IPV4_ROUTE_ADD sent from client. Update rib and | |
1057 | * add kernel route. | |
1058 | */ | |
719e9741 | 1059 | static int |
7076bb2f | 1060 | zread_ipv4_add (struct zserv *client, u_short length, vrf_id_t vrf_id) |
718e3744 | 1061 | { |
1062 | int i; | |
1063 | struct rib *rib; | |
1064 | struct prefix_ipv4 p; | |
1065 | u_char message; | |
1066 | struct in_addr nexthop; | |
1067 | u_char nexthop_num; | |
1068 | u_char nexthop_type; | |
1069 | struct stream *s; | |
1070 | unsigned int ifindex; | |
1071 | u_char ifname_len; | |
d44ca835 | 1072 | safi_t safi; |
04b02fda | 1073 | int ret; |
718e3744 | 1074 | |
1075 | /* Get input stream. */ | |
1076 | s = client->ibuf; | |
1077 | ||
1078 | /* Allocate new rib. */ | |
4d38fdb4 | 1079 | rib = XCALLOC (MTYPE_RIB, sizeof (struct rib)); |
1080 | ||
718e3744 | 1081 | /* Type, flags, message. */ |
1082 | rib->type = stream_getc (s); | |
7c8ff89e | 1083 | rib->instance = stream_getw (s); |
718e3744 | 1084 | rib->flags = stream_getc (s); |
b9df2d25 | 1085 | message = stream_getc (s); |
cddf391b | 1086 | safi = stream_getw (s); |
718e3744 | 1087 | rib->uptime = time (NULL); |
1088 | ||
1089 | /* IPv4 prefix. */ | |
1090 | memset (&p, 0, sizeof (struct prefix_ipv4)); | |
1091 | p.family = AF_INET; | |
1092 | p.prefixlen = stream_getc (s); | |
1093 | stream_get (&p.prefix, s, PSIZE (p.prefixlen)); | |
1094 | ||
78104b9b | 1095 | /* VRF ID */ |
7076bb2f | 1096 | rib->vrf_id = vrf_id; |
78104b9b | 1097 | |
718e3744 | 1098 | /* Nexthop parse. */ |
1099 | if (CHECK_FLAG (message, ZAPI_MESSAGE_NEXTHOP)) | |
1100 | { | |
1101 | nexthop_num = stream_getc (s); | |
6878b9db | 1102 | zserv_nexthop_num_warn(__func__, (const struct prefix *)&p, nexthop_num); |
718e3744 | 1103 | |
1104 | for (i = 0; i < nexthop_num; i++) | |
1105 | { | |
1106 | nexthop_type = stream_getc (s); | |
1107 | ||
1108 | switch (nexthop_type) | |
1109 | { | |
1110 | case ZEBRA_NEXTHOP_IFINDEX: | |
1111 | ifindex = stream_getl (s); | |
1112 | nexthop_ifindex_add (rib, ifindex); | |
1113 | break; | |
1114 | case ZEBRA_NEXTHOP_IFNAME: | |
1115 | ifname_len = stream_getc (s); | |
9985f83c | 1116 | stream_forward_getp (s, ifname_len); |
718e3744 | 1117 | break; |
1118 | case ZEBRA_NEXTHOP_IPV4: | |
1119 | nexthop.s_addr = stream_get_ipv4 (s); | |
7514fb77 | 1120 | nexthop_ipv4_add (rib, &nexthop, NULL); |
718e3744 | 1121 | break; |
c963c203 JT |
1122 | case ZEBRA_NEXTHOP_IPV4_IFINDEX: |
1123 | nexthop.s_addr = stream_get_ipv4 (s); | |
1124 | ifindex = stream_getl (s); | |
1125 | nexthop_ipv4_ifindex_add (rib, &nexthop, NULL, ifindex); | |
1126 | break; | |
718e3744 | 1127 | case ZEBRA_NEXTHOP_IPV6: |
9985f83c | 1128 | stream_forward_getp (s, IPV6_MAX_BYTELEN); |
718e3744 | 1129 | break; |
6902c69a SV |
1130 | case ZEBRA_NEXTHOP_BLACKHOLE: |
1131 | nexthop_blackhole_add (rib); | |
1132 | break; | |
1133 | } | |
718e3744 | 1134 | } |
1135 | } | |
1136 | ||
1137 | /* Distance. */ | |
1138 | if (CHECK_FLAG (message, ZAPI_MESSAGE_DISTANCE)) | |
1139 | rib->distance = stream_getc (s); | |
1140 | ||
1141 | /* Metric. */ | |
1142 | if (CHECK_FLAG (message, ZAPI_MESSAGE_METRIC)) | |
1143 | rib->metric = stream_getl (s); | |
1144 | ||
0d9551dc DS |
1145 | /* Tag */ |
1146 | if (CHECK_FLAG (message, ZAPI_MESSAGE_TAG)) | |
1147 | rib->tag = stream_getw (s); | |
1148 | else | |
1149 | rib->tag = 0; | |
1150 | ||
171eee31 PJ |
1151 | /* Table */ |
1152 | rib->table=zebrad.rtm_table_default; | |
04b02fda DS |
1153 | ret = rib_add_ipv4_multipath (&p, rib, safi); |
1154 | ||
1155 | /* Stats */ | |
1156 | if (ret > 0) | |
1157 | client->v4_route_add_cnt++; | |
1158 | else if (ret < 0) | |
1159 | client->v4_route_upd8_cnt++; | |
719e9741 | 1160 | return 0; |
718e3744 | 1161 | } |
1162 | ||
1163 | /* Zebra server IPv4 prefix delete function. */ | |
719e9741 | 1164 | static int |
7076bb2f | 1165 | zread_ipv4_delete (struct zserv *client, u_short length, vrf_id_t vrf_id) |
718e3744 | 1166 | { |
1167 | int i; | |
1168 | struct stream *s; | |
1169 | struct zapi_ipv4 api; | |
6902c69a | 1170 | struct in_addr nexthop, *nexthop_p; |
718e3744 | 1171 | unsigned long ifindex; |
1172 | struct prefix_ipv4 p; | |
1173 | u_char nexthop_num; | |
1174 | u_char nexthop_type; | |
1175 | u_char ifname_len; | |
1176 | ||
1177 | s = client->ibuf; | |
1178 | ifindex = 0; | |
1179 | nexthop.s_addr = 0; | |
6902c69a | 1180 | nexthop_p = NULL; |
718e3744 | 1181 | |
1182 | /* Type, flags, message. */ | |
1183 | api.type = stream_getc (s); | |
7c8ff89e | 1184 | api.instance = stream_getw (s); |
718e3744 | 1185 | api.flags = stream_getc (s); |
1186 | api.message = stream_getc (s); | |
cddf391b | 1187 | api.safi = stream_getw (s); |
718e3744 | 1188 | |
1189 | /* IPv4 prefix. */ | |
1190 | memset (&p, 0, sizeof (struct prefix_ipv4)); | |
1191 | p.family = AF_INET; | |
1192 | p.prefixlen = stream_getc (s); | |
1193 | stream_get (&p.prefix, s, PSIZE (p.prefixlen)); | |
1194 | ||
1195 | /* Nexthop, ifindex, distance, metric. */ | |
1196 | if (CHECK_FLAG (api.message, ZAPI_MESSAGE_NEXTHOP)) | |
1197 | { | |
1198 | nexthop_num = stream_getc (s); | |
1199 | ||
1200 | for (i = 0; i < nexthop_num; i++) | |
1201 | { | |
1202 | nexthop_type = stream_getc (s); | |
1203 | ||
1204 | switch (nexthop_type) | |
1205 | { | |
1206 | case ZEBRA_NEXTHOP_IFINDEX: | |
1207 | ifindex = stream_getl (s); | |
1208 | break; | |
1209 | case ZEBRA_NEXTHOP_IFNAME: | |
1210 | ifname_len = stream_getc (s); | |
9985f83c | 1211 | stream_forward_getp (s, ifname_len); |
718e3744 | 1212 | break; |
1213 | case ZEBRA_NEXTHOP_IPV4: | |
1214 | nexthop.s_addr = stream_get_ipv4 (s); | |
6902c69a | 1215 | nexthop_p = &nexthop; |
718e3744 | 1216 | break; |
c963c203 JT |
1217 | case ZEBRA_NEXTHOP_IPV4_IFINDEX: |
1218 | nexthop.s_addr = stream_get_ipv4 (s); | |
23f5f7c3 | 1219 | nexthop_p = &nexthop; |
c963c203 JT |
1220 | ifindex = stream_getl (s); |
1221 | break; | |
718e3744 | 1222 | case ZEBRA_NEXTHOP_IPV6: |
9985f83c | 1223 | stream_forward_getp (s, IPV6_MAX_BYTELEN); |
718e3744 | 1224 | break; |
1225 | } | |
1226 | } | |
1227 | } | |
1228 | ||
1229 | /* Distance. */ | |
1230 | if (CHECK_FLAG (api.message, ZAPI_MESSAGE_DISTANCE)) | |
1231 | api.distance = stream_getc (s); | |
1232 | else | |
1233 | api.distance = 0; | |
1234 | ||
1235 | /* Metric. */ | |
1236 | if (CHECK_FLAG (api.message, ZAPI_MESSAGE_METRIC)) | |
1237 | api.metric = stream_getl (s); | |
1238 | else | |
1239 | api.metric = 0; | |
1240 | ||
0d9551dc DS |
1241 | /* tag */ |
1242 | if (CHECK_FLAG (api.message, ZAPI_MESSAGE_TAG)) | |
1243 | api.tag = stream_getw (s); | |
1244 | else | |
1245 | api.tag = 0; | |
1246 | ||
7c8ff89e | 1247 | rib_delete_ipv4 (api.type, api.instance, api.flags, &p, nexthop_p, ifindex, |
7076bb2f | 1248 | vrf_id, client->rtm_table, api.safi); |
04b02fda | 1249 | client->v4_route_del_cnt++; |
719e9741 | 1250 | return 0; |
718e3744 | 1251 | } |
1252 | ||
1253 | /* Nexthop lookup for IPv4. */ | |
719e9741 | 1254 | static int |
7076bb2f FL |
1255 | zread_ipv4_nexthop_lookup (struct zserv *client, u_short length, |
1256 | vrf_id_t vrf_id) | |
718e3744 | 1257 | { |
1258 | struct in_addr addr; | |
bb97e462 | 1259 | char buf[BUFSIZ]; |
718e3744 | 1260 | |
1261 | addr.s_addr = stream_get_ipv4 (client->ibuf); | |
bb97e462 CF |
1262 | if (IS_ZEBRA_DEBUG_PACKET && IS_ZEBRA_DEBUG_RECV) |
1263 | zlog_debug("%s: looking up %s", __func__, | |
1264 | inet_ntop (AF_INET, &addr, buf, BUFSIZ)); | |
7076bb2f | 1265 | return zsend_ipv4_nexthop_lookup (client, addr, vrf_id); |
718e3744 | 1266 | } |
1267 | ||
1268 | /* Nexthop lookup for IPv4. */ | |
719e9741 | 1269 | static int |
7076bb2f FL |
1270 | zread_ipv4_import_lookup (struct zserv *client, u_short length, |
1271 | vrf_id_t vrf_id) | |
718e3744 | 1272 | { |
1273 | struct prefix_ipv4 p; | |
1274 | ||
1275 | p.family = AF_INET; | |
1276 | p.prefixlen = stream_getc (client->ibuf); | |
1277 | p.prefix.s_addr = stream_get_ipv4 (client->ibuf); | |
1278 | ||
7076bb2f | 1279 | return zsend_ipv4_import_lookup (client, &p, vrf_id); |
718e3744 | 1280 | } |
1281 | ||
1282 | #ifdef HAVE_IPV6 | |
8a92a8a0 DS |
1283 | /* Zebra server IPv6 prefix add function. */ |
1284 | static int | |
1285 | zread_ipv4_route_ipv6_nexthop_add (struct zserv *client, u_short length) | |
1286 | { | |
1287 | int i; | |
1288 | struct stream *s; | |
1289 | struct in6_addr nexthop; | |
1290 | struct rib *rib; | |
1291 | u_char message; | |
1292 | u_char nexthop_num; | |
1293 | u_char nexthop_type; | |
1294 | unsigned long ifindex; | |
1295 | struct prefix_ipv4 p; | |
8a92a8a0 DS |
1296 | safi_t safi; |
1297 | static struct in6_addr nexthops[MULTIPATH_NUM]; | |
1298 | static unsigned int ifindices[MULTIPATH_NUM]; | |
1299 | int ret; | |
1300 | ||
1301 | /* Get input stream. */ | |
1302 | s = client->ibuf; | |
1303 | ||
1304 | ifindex = 0; | |
1305 | memset (&nexthop, 0, sizeof (struct in6_addr)); | |
1306 | ||
1307 | /* Allocate new rib. */ | |
1308 | rib = XCALLOC (MTYPE_RIB, sizeof (struct rib)); | |
1309 | ||
1310 | /* Type, flags, message. */ | |
1311 | rib->type = stream_getc (s); | |
1312 | rib->instance = stream_getw (s); | |
1313 | rib->flags = stream_getc (s); | |
1314 | message = stream_getc (s); | |
1315 | safi = stream_getw (s); | |
1316 | rib->uptime = time (NULL); | |
1317 | ||
1318 | /* IPv4 prefix. */ | |
1319 | memset (&p, 0, sizeof (struct prefix_ipv4)); | |
1320 | p.family = AF_INET; | |
1321 | p.prefixlen = stream_getc (s); | |
1322 | stream_get (&p.prefix, s, PSIZE (p.prefixlen)); | |
1323 | ||
1324 | /* We need to give nh-addr, nh-ifindex with the same next-hop object | |
1325 | * to the rib to ensure that IPv6 multipathing works; need to coalesce | |
1326 | * these. Clients should send the same number of paired set of | |
1327 | * next-hop-addr/next-hop-ifindices. */ | |
1328 | if (CHECK_FLAG (message, ZAPI_MESSAGE_NEXTHOP)) | |
1329 | { | |
1330 | int nh_count = 0; | |
1331 | int if_count = 0; | |
1332 | int max_nh_if = 0; | |
1333 | ||
1334 | nexthop_num = stream_getc (s); | |
6878b9db | 1335 | zserv_nexthop_num_warn(__func__, (const struct prefix *)&p, nexthop_num); |
8a92a8a0 DS |
1336 | for (i = 0; i < nexthop_num; i++) |
1337 | { | |
1338 | nexthop_type = stream_getc (s); | |
1339 | ||
1340 | switch (nexthop_type) | |
1341 | { | |
1342 | case ZEBRA_NEXTHOP_IPV6: | |
1343 | stream_get (&nexthop, s, 16); | |
1344 | if (nh_count < MULTIPATH_NUM) { | |
1345 | nexthops[nh_count++] = nexthop; | |
1346 | } | |
1347 | break; | |
1348 | case ZEBRA_NEXTHOP_IFINDEX: | |
1349 | if (if_count < MULTIPATH_NUM) { | |
1350 | ifindices[if_count++] = stream_getl (s); | |
1351 | } | |
1352 | break; | |
1353 | case ZEBRA_NEXTHOP_BLACKHOLE: | |
1354 | nexthop_blackhole_add (rib); | |
1355 | break; | |
1356 | } | |
1357 | } | |
1358 | ||
1359 | max_nh_if = (nh_count > if_count) ? nh_count : if_count; | |
1360 | for (i = 0; i < max_nh_if; i++) | |
1361 | { | |
1362 | if ((i < nh_count) && !IN6_IS_ADDR_UNSPECIFIED (&nexthops[i])) { | |
1363 | if ((i < if_count) && ifindices[i]) { | |
1364 | nexthop_ipv6_ifindex_add (rib, &nexthops[i], ifindices[i]); | |
1365 | } | |
1366 | else { | |
1367 | nexthop_ipv6_add (rib, &nexthops[i]); | |
1368 | } | |
1369 | } | |
1370 | else { | |
1371 | if ((i < if_count) && ifindices[i]) { | |
1372 | nexthop_ifindex_add (rib, ifindices[i]); | |
1373 | } | |
1374 | } | |
1375 | } | |
1376 | } | |
1377 | ||
1378 | /* Distance. */ | |
1379 | if (CHECK_FLAG (message, ZAPI_MESSAGE_DISTANCE)) | |
1380 | rib->distance = stream_getc (s); | |
1381 | ||
1382 | /* Metric. */ | |
1383 | if (CHECK_FLAG (message, ZAPI_MESSAGE_METRIC)) | |
1384 | rib->metric = stream_getl (s); | |
1385 | ||
1386 | /* Tag */ | |
1387 | if (CHECK_FLAG (message, ZAPI_MESSAGE_TAG)) | |
1388 | rib->tag = stream_getw (s); | |
1389 | else | |
1390 | rib->tag = 0; | |
1391 | ||
1392 | /* Table */ | |
1393 | rib->table=zebrad.rtm_table_default; | |
1394 | ret = rib_add_ipv6_multipath ((struct prefix *)&p, rib, safi, ifindex); | |
1395 | /* Stats */ | |
1396 | if (ret > 0) | |
1397 | client->v4_route_add_cnt++; | |
1398 | else if (ret < 0) | |
1399 | client->v4_route_upd8_cnt++; | |
1400 | ||
1401 | return 0; | |
1402 | } | |
1403 | ||
719e9741 | 1404 | static int |
7076bb2f | 1405 | zread_ipv6_add (struct zserv *client, u_short length, vrf_id_t vrf_id) |
718e3744 | 1406 | { |
1407 | int i; | |
1408 | struct stream *s; | |
718e3744 | 1409 | struct in6_addr nexthop; |
41fc2714 DS |
1410 | struct rib *rib; |
1411 | u_char message; | |
1412 | u_char nexthop_num; | |
1413 | u_char nexthop_type; | |
718e3744 | 1414 | unsigned long ifindex; |
1415 | struct prefix_ipv6 p; | |
41fc2714 DS |
1416 | safi_t safi; |
1417 | static struct in6_addr nexthops[MULTIPATH_NUM]; | |
1418 | static unsigned int ifindices[MULTIPATH_NUM]; | |
04b02fda | 1419 | int ret; |
41fc2714 DS |
1420 | |
1421 | /* Get input stream. */ | |
718e3744 | 1422 | s = client->ibuf; |
41fc2714 | 1423 | |
718e3744 | 1424 | ifindex = 0; |
1425 | memset (&nexthop, 0, sizeof (struct in6_addr)); | |
1426 | ||
41fc2714 DS |
1427 | /* Allocate new rib. */ |
1428 | rib = XCALLOC (MTYPE_RIB, sizeof (struct rib)); | |
1429 | ||
718e3744 | 1430 | /* Type, flags, message. */ |
41fc2714 | 1431 | rib->type = stream_getc (s); |
7c8ff89e | 1432 | rib->instance = stream_getw (s); |
41fc2714 DS |
1433 | rib->flags = stream_getc (s); |
1434 | message = stream_getc (s); | |
1435 | safi = stream_getw (s); | |
1436 | rib->uptime = time (NULL); | |
718e3744 | 1437 | |
41fc2714 | 1438 | /* IPv6 prefix. */ |
718e3744 | 1439 | memset (&p, 0, sizeof (struct prefix_ipv6)); |
1440 | p.family = AF_INET6; | |
1441 | p.prefixlen = stream_getc (s); | |
1442 | stream_get (&p.prefix, s, PSIZE (p.prefixlen)); | |
1443 | ||
41fc2714 DS |
1444 | /* We need to give nh-addr, nh-ifindex with the same next-hop object |
1445 | * to the rib to ensure that IPv6 multipathing works; need to coalesce | |
1446 | * these. Clients should send the same number of paired set of | |
1447 | * next-hop-addr/next-hop-ifindices. */ | |
1448 | if (CHECK_FLAG (message, ZAPI_MESSAGE_NEXTHOP)) | |
718e3744 | 1449 | { |
41fc2714 DS |
1450 | int nh_count = 0; |
1451 | int if_count = 0; | |
1452 | int max_nh_if = 0; | |
718e3744 | 1453 | |
41fc2714 | 1454 | nexthop_num = stream_getc (s); |
6878b9db DS |
1455 | zserv_nexthop_num_warn(__func__, (const struct prefix *)&p, nexthop_num); |
1456 | for (i = 0; i < nexthop_num; i++) | |
718e3744 | 1457 | { |
1458 | nexthop_type = stream_getc (s); | |
1459 | ||
1460 | switch (nexthop_type) | |
1461 | { | |
1462 | case ZEBRA_NEXTHOP_IPV6: | |
1463 | stream_get (&nexthop, s, 16); | |
41fc2714 DS |
1464 | if (nh_count < MULTIPATH_NUM) { |
1465 | nexthops[nh_count++] = nexthop; | |
1466 | } | |
718e3744 | 1467 | break; |
1468 | case ZEBRA_NEXTHOP_IFINDEX: | |
41fc2714 DS |
1469 | if (if_count < MULTIPATH_NUM) { |
1470 | ifindices[if_count++] = stream_getl (s); | |
1471 | } | |
718e3744 | 1472 | break; |
c3c0ac83 DS |
1473 | case ZEBRA_NEXTHOP_BLACKHOLE: |
1474 | nexthop_blackhole_add (rib); | |
1475 | break; | |
718e3744 | 1476 | } |
1477 | } | |
41fc2714 DS |
1478 | |
1479 | max_nh_if = (nh_count > if_count) ? nh_count : if_count; | |
1480 | for (i = 0; i < max_nh_if; i++) | |
1481 | { | |
1482 | if ((i < nh_count) && !IN6_IS_ADDR_UNSPECIFIED (&nexthops[i])) { | |
6f20b80d | 1483 | if ((i < if_count) && ifindices[i]) |
41fc2714 | 1484 | nexthop_ipv6_ifindex_add (rib, &nexthops[i], ifindices[i]); |
6f20b80d | 1485 | else |
41fc2714 | 1486 | nexthop_ipv6_add (rib, &nexthops[i]); |
41fc2714 DS |
1487 | } |
1488 | else { | |
6f20b80d | 1489 | if ((i < if_count) && ifindices[i]) |
41fc2714 | 1490 | nexthop_ifindex_add (rib, ifindices[i]); |
41fc2714 DS |
1491 | } |
1492 | } | |
718e3744 | 1493 | } |
1494 | ||
41fc2714 DS |
1495 | /* Distance. */ |
1496 | if (CHECK_FLAG (message, ZAPI_MESSAGE_DISTANCE)) | |
1497 | rib->distance = stream_getc (s); | |
718e3744 | 1498 | |
41fc2714 DS |
1499 | /* Metric. */ |
1500 | if (CHECK_FLAG (message, ZAPI_MESSAGE_METRIC)) | |
1501 | rib->metric = stream_getl (s); | |
718e3744 | 1502 | |
0d9551dc DS |
1503 | /* Tag */ |
1504 | if (CHECK_FLAG (message, ZAPI_MESSAGE_TAG)) | |
1505 | rib->tag = stream_getw (s); | |
1506 | else | |
1507 | rib->tag = 0; | |
1508 | ||
41fc2714 DS |
1509 | /* Table */ |
1510 | rib->table=zebrad.rtm_table_default; | |
7076bb2f | 1511 | rib->vrf_id = vrf_id; |
8a92a8a0 | 1512 | ret = rib_add_ipv6_multipath ((struct prefix *)&p, rib, safi, ifindex); |
04b02fda DS |
1513 | /* Stats */ |
1514 | if (ret > 0) | |
1515 | client->v6_route_add_cnt++; | |
1516 | else if (ret < 0) | |
1517 | client->v6_route_upd8_cnt++; | |
1518 | ||
719e9741 | 1519 | return 0; |
718e3744 | 1520 | } |
1521 | ||
1522 | /* Zebra server IPv6 prefix delete function. */ | |
719e9741 | 1523 | static int |
7076bb2f | 1524 | zread_ipv6_delete (struct zserv *client, u_short length, vrf_id_t vrf_id) |
718e3744 | 1525 | { |
1526 | int i; | |
1527 | struct stream *s; | |
1528 | struct zapi_ipv6 api; | |
1529 | struct in6_addr nexthop; | |
1530 | unsigned long ifindex; | |
1531 | struct prefix_ipv6 p; | |
1532 | ||
1533 | s = client->ibuf; | |
1534 | ifindex = 0; | |
1535 | memset (&nexthop, 0, sizeof (struct in6_addr)); | |
1536 | ||
1537 | /* Type, flags, message. */ | |
1538 | api.type = stream_getc (s); | |
7c8ff89e | 1539 | api.instance = stream_getw (s); |
718e3744 | 1540 | api.flags = stream_getc (s); |
1541 | api.message = stream_getc (s); | |
f768f367 | 1542 | api.safi = stream_getw (s); |
718e3744 | 1543 | |
1544 | /* IPv4 prefix. */ | |
1545 | memset (&p, 0, sizeof (struct prefix_ipv6)); | |
1546 | p.family = AF_INET6; | |
1547 | p.prefixlen = stream_getc (s); | |
1548 | stream_get (&p.prefix, s, PSIZE (p.prefixlen)); | |
1549 | ||
1550 | /* Nexthop, ifindex, distance, metric. */ | |
1551 | if (CHECK_FLAG (api.message, ZAPI_MESSAGE_NEXTHOP)) | |
1552 | { | |
1553 | u_char nexthop_type; | |
1554 | ||
1555 | api.nexthop_num = stream_getc (s); | |
1556 | for (i = 0; i < api.nexthop_num; i++) | |
1557 | { | |
1558 | nexthop_type = stream_getc (s); | |
1559 | ||
1560 | switch (nexthop_type) | |
1561 | { | |
1562 | case ZEBRA_NEXTHOP_IPV6: | |
1563 | stream_get (&nexthop, s, 16); | |
1564 | break; | |
1565 | case ZEBRA_NEXTHOP_IFINDEX: | |
1566 | ifindex = stream_getl (s); | |
1567 | break; | |
1568 | } | |
1569 | } | |
1570 | } | |
1571 | ||
0d9551dc | 1572 | /* Distance. */ |
718e3744 | 1573 | if (CHECK_FLAG (api.message, ZAPI_MESSAGE_DISTANCE)) |
1574 | api.distance = stream_getc (s); | |
1575 | else | |
1576 | api.distance = 0; | |
0d9551dc DS |
1577 | |
1578 | /* Metric. */ | |
718e3744 | 1579 | if (CHECK_FLAG (api.message, ZAPI_MESSAGE_METRIC)) |
1580 | api.metric = stream_getl (s); | |
1581 | else | |
1582 | api.metric = 0; | |
1583 | ||
0d9551dc DS |
1584 | /* tag */ |
1585 | if (CHECK_FLAG (api.message, ZAPI_MESSAGE_TAG)) | |
1586 | api.tag = stream_getw (s); | |
1587 | else | |
1588 | api.tag = 0; | |
1589 | ||
718e3744 | 1590 | if (IN6_IS_ADDR_UNSPECIFIED (&nexthop)) |
78104b9b | 1591 | rib_delete_ipv6 (api.type, api.instance, api.flags, &p, NULL, ifindex, |
7076bb2f | 1592 | vrf_id, client->rtm_table, api.safi); |
718e3744 | 1593 | else |
78104b9b | 1594 | rib_delete_ipv6 (api.type, api.instance, api.flags, &p, &nexthop, ifindex, |
7076bb2f | 1595 | vrf_id, client->rtm_table, api.safi); |
04b02fda DS |
1596 | |
1597 | client->v6_route_del_cnt++; | |
719e9741 | 1598 | return 0; |
718e3744 | 1599 | } |
1600 | ||
719e9741 | 1601 | static int |
7076bb2f FL |
1602 | zread_ipv6_nexthop_lookup (struct zserv *client, u_short length, |
1603 | vrf_id_t vrf_id) | |
718e3744 | 1604 | { |
1605 | struct in6_addr addr; | |
1606 | char buf[BUFSIZ]; | |
1607 | ||
1608 | stream_get (&addr, client->ibuf, 16); | |
a5207089 CF |
1609 | if (IS_ZEBRA_DEBUG_PACKET && IS_ZEBRA_DEBUG_RECV) |
1610 | zlog_debug("%s: looking up %s", __func__, | |
1611 | inet_ntop (AF_INET6, &addr, buf, BUFSIZ)); | |
718e3744 | 1612 | |
7076bb2f | 1613 | return zsend_ipv6_nexthop_lookup (client, &addr, vrf_id); |
718e3744 | 1614 | } |
1615 | #endif /* HAVE_IPV6 */ | |
1616 | ||
18a6dce6 | 1617 | /* Register zebra server router-id information. Send current router-id */ |
719e9741 | 1618 | static int |
7076bb2f | 1619 | zread_router_id_add (struct zserv *client, u_short length, vrf_id_t vrf_id) |
18a6dce6 | 1620 | { |
1621 | struct prefix p; | |
1622 | ||
1623 | /* Router-id information is needed. */ | |
7076bb2f | 1624 | vrf_bitmap_set (client->ridinfo, vrf_id); |
18a6dce6 | 1625 | |
7076bb2f | 1626 | router_id_get (&p, vrf_id); |
18a6dce6 | 1627 | |
7076bb2f | 1628 | return zsend_router_id_update (client, &p, vrf_id); |
18a6dce6 | 1629 | } |
1630 | ||
1631 | /* Unregister zebra server router-id information. */ | |
719e9741 | 1632 | static int |
7076bb2f | 1633 | zread_router_id_delete (struct zserv *client, u_short length, vrf_id_t vrf_id) |
18a6dce6 | 1634 | { |
7076bb2f | 1635 | vrf_bitmap_unset (client->ridinfo, vrf_id); |
719e9741 | 1636 | return 0; |
18a6dce6 | 1637 | } |
1638 | ||
2ea1ab1c VT |
1639 | /* Tie up route-type and client->sock */ |
1640 | static void | |
1641 | zread_hello (struct zserv *client) | |
1642 | { | |
1643 | /* type of protocol (lib/zebra.h) */ | |
1644 | u_char proto; | |
7c8ff89e DS |
1645 | u_short instance; |
1646 | ||
2ea1ab1c | 1647 | proto = stream_getc (client->ibuf); |
7c8ff89e | 1648 | instance = stream_getw (client->ibuf); |
2ea1ab1c VT |
1649 | |
1650 | /* accept only dynamic routing protocols */ | |
1651 | if ((proto < ZEBRA_ROUTE_MAX) | |
1652 | && (proto > ZEBRA_ROUTE_STATIC)) | |
1653 | { | |
1654 | zlog_notice ("client %d says hello and bids fair to announce only %s routes", | |
1655 | client->sock, zebra_route_string(proto)); | |
7c8ff89e DS |
1656 | if (instance) |
1657 | zlog_notice ("client protocol instance %d", instance); | |
2ea1ab1c | 1658 | |
fb018d25 | 1659 | client->proto = proto; |
7c8ff89e | 1660 | client->instance = instance; |
2ea1ab1c VT |
1661 | } |
1662 | } | |
1663 | ||
7076bb2f FL |
1664 | /* Unregister all information in a VRF. */ |
1665 | static int | |
1666 | zread_vrf_unregister (struct zserv *client, u_short length, vrf_id_t vrf_id) | |
1667 | { | |
1668 | int i; | |
1669 | afi_t afi; | |
1670 | ||
1671 | for (afi = AFI_IP; afi < AFI_MAX; afi++) | |
1672 | for (i = 0; i < ZEBRA_ROUTE_MAX; i++) | |
1673 | vrf_bitmap_unset (client->redist[afi][i], vrf_id); | |
1674 | vrf_bitmap_unset (client->redist_default, vrf_id); | |
1675 | vrf_bitmap_unset (client->ifinfo, vrf_id); | |
1676 | vrf_bitmap_unset (client->ridinfo, vrf_id); | |
1677 | ||
1678 | return 0; | |
1679 | } | |
1680 | ||
718e3744 | 1681 | /* Close zebra client. */ |
b9df2d25 | 1682 | static void |
718e3744 | 1683 | zebra_client_close (struct zserv *client) |
1684 | { | |
078430f6 DS |
1685 | zebra_cleanup_rnh_client(0, AF_INET, client, RNH_NEXTHOP_TYPE); |
1686 | zebra_cleanup_rnh_client(0, AF_INET6, client, RNH_NEXTHOP_TYPE); | |
1687 | zebra_cleanup_rnh_client(0, AF_INET, client, RNH_IMPORT_CHECK_TYPE); | |
1688 | zebra_cleanup_rnh_client(0, AF_INET6, client, RNH_IMPORT_CHECK_TYPE); | |
fb018d25 | 1689 | |
718e3744 | 1690 | /* Close file descriptor. */ |
1691 | if (client->sock) | |
1692 | { | |
7c8ff89e DS |
1693 | unsigned long nroutes; |
1694 | ||
718e3744 | 1695 | close (client->sock); |
7c8ff89e DS |
1696 | nroutes = rib_score_proto (client->proto, client->instance); |
1697 | zlog_notice ("client %d disconnected. %lu %s routes removed from the rib", | |
1698 | client->sock, nroutes, zebra_route_string (client->proto)); | |
718e3744 | 1699 | client->sock = -1; |
1700 | } | |
1701 | ||
1702 | /* Free stream buffers. */ | |
1703 | if (client->ibuf) | |
1704 | stream_free (client->ibuf); | |
1705 | if (client->obuf) | |
1706 | stream_free (client->obuf); | |
719e9741 | 1707 | if (client->wb) |
1708 | buffer_free(client->wb); | |
718e3744 | 1709 | |
1710 | /* Release threads. */ | |
1711 | if (client->t_read) | |
1712 | thread_cancel (client->t_read); | |
1713 | if (client->t_write) | |
1714 | thread_cancel (client->t_write); | |
719e9741 | 1715 | if (client->t_suicide) |
1716 | thread_cancel (client->t_suicide); | |
718e3744 | 1717 | |
1718 | /* Free client structure. */ | |
b21b19c5 | 1719 | listnode_delete (zebrad.client_list, client); |
718e3744 | 1720 | XFREE (0, client); |
1721 | } | |
1722 | ||
1723 | /* Make new client. */ | |
b9df2d25 | 1724 | static void |
718e3744 | 1725 | zebra_client_create (int sock) |
1726 | { | |
1727 | struct zserv *client; | |
7076bb2f FL |
1728 | int i; |
1729 | afi_t afi; | |
718e3744 | 1730 | |
1731 | client = XCALLOC (0, sizeof (struct zserv)); | |
1732 | ||
1733 | /* Make client input/output buffer. */ | |
1734 | client->sock = sock; | |
1735 | client->ibuf = stream_new (ZEBRA_MAX_PACKET_SIZ); | |
1736 | client->obuf = stream_new (ZEBRA_MAX_PACKET_SIZ); | |
719e9741 | 1737 | client->wb = buffer_new(0); |
718e3744 | 1738 | |
1739 | /* Set table number. */ | |
b21b19c5 | 1740 | client->rtm_table = zebrad.rtm_table_default; |
718e3744 | 1741 | |
04b02fda | 1742 | client->connect_time = quagga_time(NULL); |
7076bb2f FL |
1743 | /* Initialize flags */ |
1744 | for (afi = AFI_IP; afi < AFI_MAX; afi++) | |
1745 | for (i = 0; i < ZEBRA_ROUTE_MAX; i++) | |
1746 | client->redist[afi][i] = vrf_bitmap_init (); | |
1747 | client->redist_default = vrf_bitmap_init (); | |
1748 | client->ifinfo = vrf_bitmap_init (); | |
1749 | client->ridinfo = vrf_bitmap_init (); | |
04b02fda | 1750 | |
718e3744 | 1751 | /* Add this client to linked list. */ |
b21b19c5 | 1752 | listnode_add (zebrad.client_list, client); |
718e3744 | 1753 | |
1754 | /* Make new read thread. */ | |
1755 | zebra_event (ZEBRA_READ, sock, client); | |
1756 | } | |
1757 | ||
1758 | /* Handler of zebra service request. */ | |
b9df2d25 | 1759 | static int |
718e3744 | 1760 | zebra_client_read (struct thread *thread) |
1761 | { | |
1762 | int sock; | |
1763 | struct zserv *client; | |
57a1477b | 1764 | size_t already; |
c1b9800a | 1765 | uint16_t length, command; |
1766 | uint8_t marker, version; | |
7076bb2f | 1767 | vrf_id_t vrf_id; |
718e3744 | 1768 | |
1769 | /* Get thread data. Reset reading thread because I'm running. */ | |
1770 | sock = THREAD_FD (thread); | |
1771 | client = THREAD_ARG (thread); | |
1772 | client->t_read = NULL; | |
1773 | ||
719e9741 | 1774 | if (client->t_suicide) |
718e3744 | 1775 | { |
719e9741 | 1776 | zebra_client_close(client); |
718e3744 | 1777 | return -1; |
1778 | } | |
719e9741 | 1779 | |
1780 | /* Read length and command (if we don't have it already). */ | |
57a1477b | 1781 | if ((already = stream_get_endp(client->ibuf)) < ZEBRA_HEADER_SIZE) |
719e9741 | 1782 | { |
57a1477b | 1783 | ssize_t nbyte; |
719e9741 | 1784 | if (((nbyte = stream_read_try (client->ibuf, sock, |
57a1477b | 1785 | ZEBRA_HEADER_SIZE-already)) == 0) || |
719e9741 | 1786 | (nbyte == -1)) |
1787 | { | |
1788 | if (IS_ZEBRA_DEBUG_EVENT) | |
1789 | zlog_debug ("connection closed socket [%d]", sock); | |
1790 | zebra_client_close (client); | |
1791 | return -1; | |
1792 | } | |
57a1477b | 1793 | if (nbyte != (ssize_t)(ZEBRA_HEADER_SIZE-already)) |
719e9741 | 1794 | { |
1795 | /* Try again later. */ | |
1796 | zebra_event (ZEBRA_READ, sock, client); | |
1797 | return 0; | |
1798 | } | |
57a1477b | 1799 | already = ZEBRA_HEADER_SIZE; |
719e9741 | 1800 | } |
1801 | ||
1802 | /* Reset to read from the beginning of the incoming packet. */ | |
1803 | stream_set_getp(client->ibuf, 0); | |
1804 | ||
c1b9800a | 1805 | /* Fetch header values */ |
718e3744 | 1806 | length = stream_getw (client->ibuf); |
c1b9800a | 1807 | marker = stream_getc (client->ibuf); |
1808 | version = stream_getc (client->ibuf); | |
7076bb2f | 1809 | vrf_id = stream_getw (client->ibuf); |
c1b9800a | 1810 | command = stream_getw (client->ibuf); |
718e3744 | 1811 | |
c1b9800a | 1812 | if (marker != ZEBRA_HEADER_MARKER || version != ZSERV_VERSION) |
1813 | { | |
1814 | zlog_err("%s: socket %d version mismatch, marker %d, version %d", | |
1815 | __func__, sock, marker, version); | |
1816 | zebra_client_close (client); | |
1817 | return -1; | |
1818 | } | |
719e9741 | 1819 | if (length < ZEBRA_HEADER_SIZE) |
718e3744 | 1820 | { |
57a1477b | 1821 | zlog_warn("%s: socket %d message length %u is less than header size %d", |
1822 | __func__, sock, length, ZEBRA_HEADER_SIZE); | |
1823 | zebra_client_close (client); | |
1824 | return -1; | |
1825 | } | |
1826 | if (length > STREAM_SIZE(client->ibuf)) | |
1827 | { | |
1828 | zlog_warn("%s: socket %d message length %u exceeds buffer size %lu", | |
1829 | __func__, sock, length, (u_long)STREAM_SIZE(client->ibuf)); | |
718e3744 | 1830 | zebra_client_close (client); |
1831 | return -1; | |
1832 | } | |
1833 | ||
718e3744 | 1834 | /* Read rest of data. */ |
57a1477b | 1835 | if (already < length) |
718e3744 | 1836 | { |
57a1477b | 1837 | ssize_t nbyte; |
1838 | if (((nbyte = stream_read_try (client->ibuf, sock, | |
1839 | length-already)) == 0) || | |
1840 | (nbyte == -1)) | |
718e3744 | 1841 | { |
1842 | if (IS_ZEBRA_DEBUG_EVENT) | |
b6178002 | 1843 | zlog_debug ("connection closed [%d] when reading zebra data", sock); |
718e3744 | 1844 | zebra_client_close (client); |
1845 | return -1; | |
1846 | } | |
57a1477b | 1847 | if (nbyte != (ssize_t)(length-already)) |
719e9741 | 1848 | { |
1849 | /* Try again later. */ | |
1850 | zebra_event (ZEBRA_READ, sock, client); | |
1851 | return 0; | |
1852 | } | |
718e3744 | 1853 | } |
1854 | ||
719e9741 | 1855 | length -= ZEBRA_HEADER_SIZE; |
1856 | ||
718e3744 | 1857 | /* Debug packet information. */ |
1858 | if (IS_ZEBRA_DEBUG_EVENT) | |
b6178002 | 1859 | zlog_debug ("zebra message comes from socket [%d]", sock); |
718e3744 | 1860 | |
1861 | if (IS_ZEBRA_DEBUG_PACKET && IS_ZEBRA_DEBUG_RECV) | |
7076bb2f FL |
1862 | zlog_debug ("zebra message received [%s] %d in VRF %u", |
1863 | zserv_command_string (command), length, vrf_id); | |
718e3744 | 1864 | |
04b02fda DS |
1865 | client->last_read_time = quagga_time(NULL); |
1866 | client->last_read_cmd = command; | |
1867 | ||
718e3744 | 1868 | switch (command) |
1869 | { | |
18a6dce6 | 1870 | case ZEBRA_ROUTER_ID_ADD: |
7076bb2f | 1871 | zread_router_id_add (client, length, vrf_id); |
18a6dce6 | 1872 | break; |
1873 | case ZEBRA_ROUTER_ID_DELETE: | |
7076bb2f | 1874 | zread_router_id_delete (client, length, vrf_id); |
18a6dce6 | 1875 | break; |
718e3744 | 1876 | case ZEBRA_INTERFACE_ADD: |
7076bb2f | 1877 | zread_interface_add (client, length, vrf_id); |
718e3744 | 1878 | break; |
1879 | case ZEBRA_INTERFACE_DELETE: | |
7076bb2f | 1880 | zread_interface_delete (client, length, vrf_id); |
718e3744 | 1881 | break; |
1882 | case ZEBRA_IPV4_ROUTE_ADD: | |
7076bb2f | 1883 | zread_ipv4_add (client, length, vrf_id); |
718e3744 | 1884 | break; |
1885 | case ZEBRA_IPV4_ROUTE_DELETE: | |
7076bb2f | 1886 | zread_ipv4_delete (client, length, vrf_id); |
718e3744 | 1887 | break; |
1888 | #ifdef HAVE_IPV6 | |
8a92a8a0 DS |
1889 | case ZEBRA_IPV4_ROUTE_IPV6_NEXTHOP_ADD: |
1890 | zread_ipv4_route_ipv6_nexthop_add (client, length); | |
1891 | break; | |
718e3744 | 1892 | case ZEBRA_IPV6_ROUTE_ADD: |
7076bb2f | 1893 | zread_ipv6_add (client, length, vrf_id); |
718e3744 | 1894 | break; |
1895 | case ZEBRA_IPV6_ROUTE_DELETE: | |
7076bb2f | 1896 | zread_ipv6_delete (client, length, vrf_id); |
718e3744 | 1897 | break; |
1898 | #endif /* HAVE_IPV6 */ | |
1899 | case ZEBRA_REDISTRIBUTE_ADD: | |
7076bb2f | 1900 | zebra_redistribute_add (command, client, length, vrf_id); |
718e3744 | 1901 | break; |
1902 | case ZEBRA_REDISTRIBUTE_DELETE: | |
7076bb2f | 1903 | zebra_redistribute_delete (command, client, length, vrf_id); |
718e3744 | 1904 | break; |
1905 | case ZEBRA_REDISTRIBUTE_DEFAULT_ADD: | |
7076bb2f | 1906 | zebra_redistribute_default_add (command, client, length, vrf_id); |
718e3744 | 1907 | break; |
1908 | case ZEBRA_REDISTRIBUTE_DEFAULT_DELETE: | |
7076bb2f | 1909 | zebra_redistribute_default_delete (command, client, length, vrf_id); |
718e3744 | 1910 | break; |
1911 | case ZEBRA_IPV4_NEXTHOP_LOOKUP: | |
7076bb2f | 1912 | zread_ipv4_nexthop_lookup (client, length, vrf_id); |
718e3744 | 1913 | break; |
1914 | #ifdef HAVE_IPV6 | |
1915 | case ZEBRA_IPV6_NEXTHOP_LOOKUP: | |
7076bb2f | 1916 | zread_ipv6_nexthop_lookup (client, length, vrf_id); |
718e3744 | 1917 | break; |
1918 | #endif /* HAVE_IPV6 */ | |
1919 | case ZEBRA_IPV4_IMPORT_LOOKUP: | |
7076bb2f | 1920 | zread_ipv4_import_lookup (client, length, vrf_id); |
718e3744 | 1921 | break; |
2ea1ab1c VT |
1922 | case ZEBRA_HELLO: |
1923 | zread_hello (client); | |
1924 | break; | |
fb018d25 | 1925 | case ZEBRA_NEXTHOP_REGISTER: |
7076bb2f | 1926 | zserv_rnh_register(client, sock, length, RNH_NEXTHOP_TYPE, vrf_id); |
fb018d25 DS |
1927 | break; |
1928 | case ZEBRA_NEXTHOP_UNREGISTER: | |
078430f6 DS |
1929 | zserv_rnh_unregister(client, sock, length, RNH_NEXTHOP_TYPE); |
1930 | break; | |
1931 | case ZEBRA_IMPORT_ROUTE_REGISTER: | |
7076bb2f | 1932 | zserv_rnh_register(client, sock, length, RNH_IMPORT_CHECK_TYPE, vrf_id); |
078430f6 DS |
1933 | break; |
1934 | case ZEBRA_IMPORT_ROUTE_UNREGISTER: | |
1935 | zserv_rnh_unregister(client, sock, length, RNH_IMPORT_CHECK_TYPE); | |
fb018d25 | 1936 | break; |
c43ed2e4 DS |
1937 | case ZEBRA_BFD_DEST_UPDATE: |
1938 | case ZEBRA_BFD_DEST_REGISTER: | |
1939 | zebra_ptm_bfd_dst_register(client, sock, length, command); | |
1940 | break; | |
1941 | case ZEBRA_BFD_DEST_DEREGISTER: | |
1942 | zebra_ptm_bfd_dst_deregister(client, sock, length); | |
1943 | break; | |
7076bb2f FL |
1944 | case ZEBRA_VRF_UNREGISTER: |
1945 | zread_vrf_unregister (client, length, vrf_id); | |
1946 | break; | |
718e3744 | 1947 | default: |
1948 | zlog_info ("Zebra received unknown command %d", command); | |
1949 | break; | |
1950 | } | |
1951 | ||
719e9741 | 1952 | if (client->t_suicide) |
1953 | { | |
1954 | /* No need to wait for thread callback, just kill immediately. */ | |
1955 | zebra_client_close(client); | |
1956 | return -1; | |
1957 | } | |
1958 | ||
718e3744 | 1959 | stream_reset (client->ibuf); |
1960 | zebra_event (ZEBRA_READ, sock, client); | |
718e3744 | 1961 | return 0; |
1962 | } | |
1963 | ||
718e3744 | 1964 | |
1965 | /* Accept code of zebra server socket. */ | |
b9df2d25 | 1966 | static int |
718e3744 | 1967 | zebra_accept (struct thread *thread) |
1968 | { | |
1969 | int accept_sock; | |
1970 | int client_sock; | |
1971 | struct sockaddr_in client; | |
1972 | socklen_t len; | |
1973 | ||
1974 | accept_sock = THREAD_FD (thread); | |
1975 | ||
719e9741 | 1976 | /* Reregister myself. */ |
1977 | zebra_event (ZEBRA_SERV, accept_sock, NULL); | |
1978 | ||
718e3744 | 1979 | len = sizeof (struct sockaddr_in); |
1980 | client_sock = accept (accept_sock, (struct sockaddr *) &client, &len); | |
1981 | ||
1982 | if (client_sock < 0) | |
1983 | { | |
6099b3b5 | 1984 | zlog_warn ("Can't accept zebra socket: %s", safe_strerror (errno)); |
718e3744 | 1985 | return -1; |
1986 | } | |
1987 | ||
ccf3557b | 1988 | /* Make client socket non-blocking. */ |
719e9741 | 1989 | set_nonblocking(client_sock); |
865b852c | 1990 | |
718e3744 | 1991 | /* Create new zebra client. */ |
1992 | zebra_client_create (client_sock); | |
1993 | ||
718e3744 | 1994 | return 0; |
1995 | } | |
1996 | ||
b9df2d25 | 1997 | #ifdef HAVE_TCP_ZEBRA |
718e3744 | 1998 | /* Make zebra's server socket. */ |
b9df2d25 | 1999 | static void |
718e3744 | 2000 | zebra_serv () |
2001 | { | |
2002 | int ret; | |
2003 | int accept_sock; | |
2004 | struct sockaddr_in addr; | |
2005 | ||
2006 | accept_sock = socket (AF_INET, SOCK_STREAM, 0); | |
2007 | ||
2008 | if (accept_sock < 0) | |
2009 | { | |
3d1dc857 | 2010 | zlog_warn ("Can't create zserv stream socket: %s", |
2011 | safe_strerror (errno)); | |
718e3744 | 2012 | zlog_warn ("zebra can't provice full functionality due to above error"); |
2013 | return; | |
2014 | } | |
2015 | ||
2016 | memset (&addr, 0, sizeof (struct sockaddr_in)); | |
2017 | addr.sin_family = AF_INET; | |
2018 | addr.sin_port = htons (ZEBRA_PORT); | |
6f0e3f6e | 2019 | #ifdef HAVE_STRUCT_SOCKADDR_IN_SIN_LEN |
718e3744 | 2020 | addr.sin_len = sizeof (struct sockaddr_in); |
6f0e3f6e | 2021 | #endif /* HAVE_STRUCT_SOCKADDR_IN_SIN_LEN */ |
718e3744 | 2022 | addr.sin_addr.s_addr = htonl (INADDR_LOOPBACK); |
2023 | ||
2024 | sockopt_reuseaddr (accept_sock); | |
2025 | sockopt_reuseport (accept_sock); | |
2026 | ||
edd7c245 | 2027 | if ( zserv_privs.change(ZPRIVS_RAISE) ) |
2028 | zlog (NULL, LOG_ERR, "Can't raise privileges"); | |
2029 | ||
718e3744 | 2030 | ret = bind (accept_sock, (struct sockaddr *)&addr, |
2031 | sizeof (struct sockaddr_in)); | |
2032 | if (ret < 0) | |
2033 | { | |
3d1dc857 | 2034 | zlog_warn ("Can't bind to stream socket: %s", |
2035 | safe_strerror (errno)); | |
718e3744 | 2036 | zlog_warn ("zebra can't provice full functionality due to above error"); |
2037 | close (accept_sock); /* Avoid sd leak. */ | |
2038 | return; | |
2039 | } | |
edd7c245 | 2040 | |
2041 | if ( zserv_privs.change(ZPRIVS_LOWER) ) | |
2042 | zlog (NULL, LOG_ERR, "Can't lower privileges"); | |
718e3744 | 2043 | |
2044 | ret = listen (accept_sock, 1); | |
2045 | if (ret < 0) | |
2046 | { | |
3d1dc857 | 2047 | zlog_warn ("Can't listen to stream socket: %s", |
2048 | safe_strerror (errno)); | |
718e3744 | 2049 | zlog_warn ("zebra can't provice full functionality due to above error"); |
2050 | close (accept_sock); /* Avoid sd leak. */ | |
2051 | return; | |
2052 | } | |
2053 | ||
2054 | zebra_event (ZEBRA_SERV, accept_sock, NULL); | |
2055 | } | |
b9df2d25 | 2056 | #endif /* HAVE_TCP_ZEBRA */ |
718e3744 | 2057 | |
2058 | /* For sockaddr_un. */ | |
2059 | #include <sys/un.h> | |
2060 | ||
2061 | /* zebra server UNIX domain socket. */ | |
b9df2d25 | 2062 | static void |
fce954f8 | 2063 | zebra_serv_un (const char *path) |
718e3744 | 2064 | { |
2065 | int ret; | |
2066 | int sock, len; | |
2067 | struct sockaddr_un serv; | |
2068 | mode_t old_mask; | |
2069 | ||
2070 | /* First of all, unlink existing socket */ | |
2071 | unlink (path); | |
2072 | ||
2073 | /* Set umask */ | |
2074 | old_mask = umask (0077); | |
2075 | ||
2076 | /* Make UNIX domain socket. */ | |
2077 | sock = socket (AF_UNIX, SOCK_STREAM, 0); | |
2078 | if (sock < 0) | |
2079 | { | |
3d1dc857 | 2080 | zlog_warn ("Can't create zserv unix socket: %s", |
2081 | safe_strerror (errno)); | |
2082 | zlog_warn ("zebra can't provide full functionality due to above error"); | |
718e3744 | 2083 | return; |
2084 | } | |
2085 | ||
2086 | /* Make server socket. */ | |
2087 | memset (&serv, 0, sizeof (struct sockaddr_un)); | |
2088 | serv.sun_family = AF_UNIX; | |
2089 | strncpy (serv.sun_path, path, strlen (path)); | |
6f0e3f6e | 2090 | #ifdef HAVE_STRUCT_SOCKADDR_UN_SUN_LEN |
718e3744 | 2091 | len = serv.sun_len = SUN_LEN(&serv); |
2092 | #else | |
2093 | len = sizeof (serv.sun_family) + strlen (serv.sun_path); | |
6f0e3f6e | 2094 | #endif /* HAVE_STRUCT_SOCKADDR_UN_SUN_LEN */ |
718e3744 | 2095 | |
2096 | ret = bind (sock, (struct sockaddr *) &serv, len); | |
2097 | if (ret < 0) | |
2098 | { | |
3d1dc857 | 2099 | zlog_warn ("Can't bind to unix socket %s: %s", |
2100 | path, safe_strerror (errno)); | |
2101 | zlog_warn ("zebra can't provide full functionality due to above error"); | |
718e3744 | 2102 | close (sock); |
2103 | return; | |
2104 | } | |
2105 | ||
2106 | ret = listen (sock, 5); | |
2107 | if (ret < 0) | |
2108 | { | |
3d1dc857 | 2109 | zlog_warn ("Can't listen to unix socket %s: %s", |
2110 | path, safe_strerror (errno)); | |
2111 | zlog_warn ("zebra can't provide full functionality due to above error"); | |
718e3744 | 2112 | close (sock); |
2113 | return; | |
2114 | } | |
2115 | ||
2116 | umask (old_mask); | |
2117 | ||
2118 | zebra_event (ZEBRA_SERV, sock, NULL); | |
2119 | } | |
6b0655a2 | 2120 | |
718e3744 | 2121 | |
b9df2d25 | 2122 | static void |
718e3744 | 2123 | zebra_event (enum event event, int sock, struct zserv *client) |
2124 | { | |
2125 | switch (event) | |
2126 | { | |
2127 | case ZEBRA_SERV: | |
b21b19c5 | 2128 | thread_add_read (zebrad.master, zebra_accept, client, sock); |
718e3744 | 2129 | break; |
2130 | case ZEBRA_READ: | |
2131 | client->t_read = | |
b21b19c5 | 2132 | thread_add_read (zebrad.master, zebra_client_read, client, sock); |
718e3744 | 2133 | break; |
2134 | case ZEBRA_WRITE: | |
2135 | /**/ | |
2136 | break; | |
2137 | } | |
2138 | } | |
6b0655a2 | 2139 | |
04b02fda DS |
2140 | #define ZEBRA_TIME_BUF 32 |
2141 | static char * | |
2142 | zserv_time_buf(time_t *time1, char *buf, int buflen) | |
2143 | { | |
2144 | struct tm *tm; | |
2145 | time_t now; | |
2146 | ||
2147 | assert (buf != NULL); | |
2148 | assert (buflen >= ZEBRA_TIME_BUF); | |
2149 | assert (time1 != NULL); | |
2150 | ||
2151 | if (!*time1) | |
2152 | { | |
2153 | snprintf(buf, buflen, "never "); | |
2154 | return (buf); | |
2155 | } | |
2156 | ||
2157 | now = quagga_time(NULL); | |
2158 | now -= *time1; | |
2159 | tm = gmtime(&now); | |
2160 | ||
2161 | /* Making formatted timer strings. */ | |
2162 | #define ONE_DAY_SECOND 60*60*24 | |
2163 | #define ONE_WEEK_SECOND 60*60*24*7 | |
2164 | ||
2165 | if (now < ONE_DAY_SECOND) | |
2166 | snprintf (buf, buflen, "%02d:%02d:%02d", | |
2167 | tm->tm_hour, tm->tm_min, tm->tm_sec); | |
2168 | else if (now < ONE_WEEK_SECOND) | |
2169 | snprintf (buf, buflen, "%dd%02dh%02dm", | |
2170 | tm->tm_yday, tm->tm_hour, tm->tm_min); | |
2171 | else | |
2172 | snprintf (buf, buflen, "%02dw%dd%02dh", | |
2173 | tm->tm_yday/7, tm->tm_yday - ((tm->tm_yday/7) * 7), tm->tm_hour); | |
2174 | return buf; | |
2175 | } | |
2176 | ||
2177 | static void | |
2178 | zebra_show_client_detail (struct vty *vty, struct zserv *client) | |
2179 | { | |
2180 | char cbuf[ZEBRA_TIME_BUF], rbuf[ZEBRA_TIME_BUF]; | |
2181 | char wbuf[ZEBRA_TIME_BUF], nhbuf[ZEBRA_TIME_BUF], mbuf[ZEBRA_TIME_BUF]; | |
2182 | ||
7c8ff89e DS |
2183 | vty_out (vty, "Client: %s", zebra_route_string(client->proto)); |
2184 | if (client->instance) | |
2185 | vty_out (vty, " Instance: %d", client->instance); | |
2186 | vty_out (vty, "%s", VTY_NEWLINE); | |
2187 | ||
04b02fda DS |
2188 | vty_out (vty, "------------------------ %s", VTY_NEWLINE); |
2189 | vty_out (vty, "FD: %d %s", client->sock, VTY_NEWLINE); | |
2190 | vty_out (vty, "Route Table ID: %d %s", client->rtm_table, VTY_NEWLINE); | |
2191 | ||
2192 | vty_out (vty, "Connect Time: %s %s", | |
2193 | zserv_time_buf(&client->connect_time, cbuf, ZEBRA_TIME_BUF), | |
2194 | VTY_NEWLINE); | |
2195 | if (client->nh_reg_time) | |
2196 | { | |
2197 | vty_out (vty, "Nexthop Registry Time: %s %s", | |
2198 | zserv_time_buf(&client->nh_reg_time, nhbuf, ZEBRA_TIME_BUF), | |
2199 | VTY_NEWLINE); | |
2200 | if (client->nh_last_upd_time) | |
2201 | vty_out (vty, "Nexthop Last Update Time: %s %s", | |
2202 | zserv_time_buf(&client->nh_last_upd_time, mbuf, ZEBRA_TIME_BUF), | |
2203 | VTY_NEWLINE); | |
2204 | else | |
2205 | vty_out (vty, "No Nexthop Update sent%s", VTY_NEWLINE); | |
2206 | } | |
2207 | else | |
2208 | vty_out (vty, "Not registered for Nexthop Updates%s", VTY_NEWLINE); | |
2209 | ||
2210 | vty_out (vty, "Last Msg Rx Time: %s %s", | |
2211 | zserv_time_buf(&client->last_read_time, rbuf, ZEBRA_TIME_BUF), | |
2212 | VTY_NEWLINE); | |
2213 | vty_out (vty, "Last Msg Tx Time: %s %s", | |
2214 | zserv_time_buf(&client->last_write_time, wbuf, ZEBRA_TIME_BUF), | |
2215 | VTY_NEWLINE); | |
2216 | if (client->last_read_time) | |
2217 | vty_out (vty, "Last Rcvd Cmd: %s %s", | |
2218 | zserv_command_string(client->last_read_cmd), VTY_NEWLINE); | |
2219 | if (client->last_write_time) | |
2220 | vty_out (vty, "Last Sent Cmd: %s %s", | |
2221 | zserv_command_string(client->last_write_cmd), VTY_NEWLINE); | |
2222 | vty_out (vty, "%s", VTY_NEWLINE); | |
2223 | ||
2224 | vty_out (vty, "Type Add Update Del %s", VTY_NEWLINE); | |
2225 | vty_out (vty, "================================================== %s", VTY_NEWLINE); | |
2226 | vty_out (vty, "IPv4 %-12d%-12d%-12d%s", client->v4_route_add_cnt, | |
2227 | client->v4_route_upd8_cnt, client->v4_route_del_cnt, VTY_NEWLINE); | |
2228 | vty_out (vty, "IPv6 %-12d%-12d%-12d%s", client->v6_route_add_cnt, | |
2229 | client->v6_route_upd8_cnt, client->v6_route_del_cnt, VTY_NEWLINE); | |
2230 | vty_out (vty, "Redist:v4 %-12d%-12d%-12d%s", client->redist_v4_add_cnt, 0, | |
2231 | client->redist_v4_del_cnt, VTY_NEWLINE); | |
2232 | vty_out (vty, "Redist:v6 %-12d%-12d%-12d%s", client->redist_v6_add_cnt, 0, | |
2233 | client->redist_v6_del_cnt, VTY_NEWLINE); | |
2234 | vty_out (vty, "Connected %-12d%-12d%-12d%s", client->ifadd_cnt, 0, | |
2235 | client->ifdel_cnt, VTY_NEWLINE); | |
c43ed2e4 DS |
2236 | vty_out (vty, "BFD peer %-12d%-12d%-12d%s", client->bfd_peer_add_cnt, |
2237 | client->bfd_peer_upd8_cnt, client->bfd_peer_del_cnt, VTY_NEWLINE); | |
04b02fda DS |
2238 | vty_out (vty, "Interface Up Notifications: %d%s", client->ifup_cnt, |
2239 | VTY_NEWLINE); | |
2240 | vty_out (vty, "Interface Down Notifications: %d%s", client->ifdown_cnt, | |
2241 | VTY_NEWLINE); | |
2242 | ||
2243 | vty_out (vty, "%s", VTY_NEWLINE); | |
2244 | return; | |
2245 | } | |
2246 | ||
2247 | static void | |
2248 | zebra_show_client_brief (struct vty *vty, struct zserv *client) | |
2249 | { | |
2250 | char cbuf[ZEBRA_TIME_BUF], rbuf[ZEBRA_TIME_BUF]; | |
2251 | char wbuf[ZEBRA_TIME_BUF]; | |
2252 | ||
2253 | vty_out (vty, "%-8s%12s %12s%12s%8d/%-8d%8d/%-8d%s", | |
2254 | zebra_route_string(client->proto), | |
2255 | zserv_time_buf(&client->connect_time, cbuf, ZEBRA_TIME_BUF), | |
2256 | zserv_time_buf(&client->last_read_time, rbuf, ZEBRA_TIME_BUF), | |
2257 | zserv_time_buf(&client->last_write_time, wbuf, ZEBRA_TIME_BUF), | |
2258 | client->v4_route_add_cnt+client->v4_route_upd8_cnt, | |
2259 | client->v4_route_del_cnt, | |
2260 | client->v6_route_add_cnt+client->v6_route_upd8_cnt, | |
2261 | client->v6_route_del_cnt, VTY_NEWLINE); | |
2262 | ||
2263 | } | |
2264 | ||
2265 | ||
718e3744 | 2266 | /* Display default rtm_table for all clients. */ |
2267 | DEFUN (show_table, | |
2268 | show_table_cmd, | |
2269 | "show table", | |
2270 | SHOW_STR | |
2271 | "default routing table to use for all clients\n") | |
2272 | { | |
b21b19c5 | 2273 | vty_out (vty, "table %d%s", zebrad.rtm_table_default, |
718e3744 | 2274 | VTY_NEWLINE); |
2275 | return CMD_SUCCESS; | |
2276 | } | |
2277 | ||
2278 | DEFUN (config_table, | |
2279 | config_table_cmd, | |
2280 | "table TABLENO", | |
2281 | "Configure target kernel routing table\n" | |
2282 | "TABLE integer\n") | |
2283 | { | |
b21b19c5 | 2284 | zebrad.rtm_table_default = strtol (argv[0], (char**)0, 10); |
718e3744 | 2285 | return CMD_SUCCESS; |
2286 | } | |
2287 | ||
647e4f1f | 2288 | DEFUN (ip_forwarding, |
2289 | ip_forwarding_cmd, | |
2290 | "ip forwarding", | |
2291 | IP_STR | |
2292 | "Turn on IP forwarding") | |
2293 | { | |
2294 | int ret; | |
2295 | ||
2296 | ret = ipforward (); | |
b71f00f2 | 2297 | if (ret == 0) |
2298 | ret = ipforward_on (); | |
647e4f1f | 2299 | |
647e4f1f | 2300 | if (ret == 0) |
2301 | { | |
2302 | vty_out (vty, "Can't turn on IP forwarding%s", VTY_NEWLINE); | |
2303 | return CMD_WARNING; | |
2304 | } | |
2305 | ||
2306 | return CMD_SUCCESS; | |
2307 | } | |
2308 | ||
718e3744 | 2309 | DEFUN (no_ip_forwarding, |
2310 | no_ip_forwarding_cmd, | |
2311 | "no ip forwarding", | |
2312 | NO_STR | |
2313 | IP_STR | |
2314 | "Turn off IP forwarding") | |
2315 | { | |
2316 | int ret; | |
2317 | ||
2318 | ret = ipforward (); | |
b71f00f2 | 2319 | if (ret != 0) |
2320 | ret = ipforward_off (); | |
718e3744 | 2321 | |
718e3744 | 2322 | if (ret != 0) |
2323 | { | |
2324 | vty_out (vty, "Can't turn off IP forwarding%s", VTY_NEWLINE); | |
2325 | return CMD_WARNING; | |
2326 | } | |
2327 | ||
2328 | return CMD_SUCCESS; | |
2329 | } | |
2330 | ||
2331 | /* This command is for debugging purpose. */ | |
2332 | DEFUN (show_zebra_client, | |
2333 | show_zebra_client_cmd, | |
2334 | "show zebra client", | |
2335 | SHOW_STR | |
2336 | "Zebra information" | |
2337 | "Client information") | |
2338 | { | |
52dc7ee6 | 2339 | struct listnode *node; |
718e3744 | 2340 | struct zserv *client; |
2341 | ||
1eb8ef25 | 2342 | for (ALL_LIST_ELEMENTS_RO (zebrad.client_list, node, client)) |
04b02fda DS |
2343 | zebra_show_client_detail(vty, client); |
2344 | ||
2345 | return CMD_SUCCESS; | |
2346 | } | |
2347 | ||
2348 | /* This command is for debugging purpose. */ | |
2349 | DEFUN (show_zebra_client_summary, | |
2350 | show_zebra_client_summary_cmd, | |
2351 | "show zebra client summary", | |
2352 | SHOW_STR | |
2353 | "Zebra information brief" | |
2354 | "Client information brief") | |
2355 | { | |
2356 | struct listnode *node; | |
2357 | struct zserv *client; | |
2358 | ||
2359 | vty_out (vty, "Name Connect Time Last Read Last Write IPv4 Routes IPv6 Routes %s", | |
2360 | VTY_NEWLINE); | |
2361 | vty_out (vty,"--------------------------------------------------------------------------------%s", | |
2362 | VTY_NEWLINE); | |
2363 | ||
2364 | for (ALL_LIST_ELEMENTS_RO (zebrad.client_list, node, client)) | |
2365 | zebra_show_client_brief(vty, client); | |
fb018d25 | 2366 | |
04b02fda | 2367 | vty_out (vty, "Routes column shows (added+updated)/deleted%s", VTY_NEWLINE); |
718e3744 | 2368 | return CMD_SUCCESS; |
2369 | } | |
2370 | ||
2371 | /* Table configuration write function. */ | |
b9df2d25 | 2372 | static int |
718e3744 | 2373 | config_write_table (struct vty *vty) |
2374 | { | |
b21b19c5 | 2375 | if (zebrad.rtm_table_default) |
2376 | vty_out (vty, "table %d%s", zebrad.rtm_table_default, | |
718e3744 | 2377 | VTY_NEWLINE); |
2378 | return 0; | |
2379 | } | |
2380 | ||
2381 | /* table node for routing tables. */ | |
7fc626de | 2382 | static struct cmd_node table_node = |
718e3744 | 2383 | { |
2384 | TABLE_NODE, | |
2385 | "", /* This node has no interface. */ | |
2386 | 1 | |
2387 | }; | |
6b0655a2 | 2388 | |
718e3744 | 2389 | /* Only display ip forwarding is enabled or not. */ |
2390 | DEFUN (show_ip_forwarding, | |
2391 | show_ip_forwarding_cmd, | |
2392 | "show ip forwarding", | |
2393 | SHOW_STR | |
2394 | IP_STR | |
2395 | "IP forwarding status\n") | |
2396 | { | |
2397 | int ret; | |
2398 | ||
2399 | ret = ipforward (); | |
2400 | ||
2401 | if (ret == 0) | |
2402 | vty_out (vty, "IP forwarding is off%s", VTY_NEWLINE); | |
2403 | else | |
2404 | vty_out (vty, "IP forwarding is on%s", VTY_NEWLINE); | |
2405 | return CMD_SUCCESS; | |
2406 | } | |
2407 | ||
2408 | #ifdef HAVE_IPV6 | |
2409 | /* Only display ipv6 forwarding is enabled or not. */ | |
2410 | DEFUN (show_ipv6_forwarding, | |
2411 | show_ipv6_forwarding_cmd, | |
2412 | "show ipv6 forwarding", | |
2413 | SHOW_STR | |
2414 | "IPv6 information\n" | |
2415 | "Forwarding status\n") | |
2416 | { | |
2417 | int ret; | |
2418 | ||
2419 | ret = ipforward_ipv6 (); | |
2420 | ||
2421 | switch (ret) | |
2422 | { | |
2423 | case -1: | |
2424 | vty_out (vty, "ipv6 forwarding is unknown%s", VTY_NEWLINE); | |
2425 | break; | |
2426 | case 0: | |
2427 | vty_out (vty, "ipv6 forwarding is %s%s", "off", VTY_NEWLINE); | |
2428 | break; | |
2429 | case 1: | |
2430 | vty_out (vty, "ipv6 forwarding is %s%s", "on", VTY_NEWLINE); | |
2431 | break; | |
2432 | default: | |
2433 | vty_out (vty, "ipv6 forwarding is %s%s", "off", VTY_NEWLINE); | |
2434 | break; | |
2435 | } | |
2436 | return CMD_SUCCESS; | |
2437 | } | |
2438 | ||
55906724 | 2439 | DEFUN (ipv6_forwarding, |
2440 | ipv6_forwarding_cmd, | |
2441 | "ipv6 forwarding", | |
2442 | IPV6_STR | |
2443 | "Turn on IPv6 forwarding") | |
2444 | { | |
2445 | int ret; | |
2446 | ||
41d3fc96 | 2447 | ret = ipforward_ipv6 (); |
b71f00f2 | 2448 | if (ret == 0) |
2449 | ret = ipforward_ipv6_on (); | |
41d3fc96 | 2450 | |
41d3fc96 | 2451 | if (ret == 0) |
55906724 | 2452 | { |
2453 | vty_out (vty, "Can't turn on IPv6 forwarding%s", VTY_NEWLINE); | |
2454 | return CMD_WARNING; | |
2455 | } | |
2456 | ||
2457 | return CMD_SUCCESS; | |
2458 | } | |
2459 | ||
718e3744 | 2460 | DEFUN (no_ipv6_forwarding, |
2461 | no_ipv6_forwarding_cmd, | |
2462 | "no ipv6 forwarding", | |
2463 | NO_STR | |
55906724 | 2464 | IPV6_STR |
2465 | "Turn off IPv6 forwarding") | |
718e3744 | 2466 | { |
2467 | int ret; | |
2468 | ||
41d3fc96 | 2469 | ret = ipforward_ipv6 (); |
b71f00f2 | 2470 | if (ret != 0) |
2471 | ret = ipforward_ipv6_off (); | |
41d3fc96 | 2472 | |
718e3744 | 2473 | if (ret != 0) |
2474 | { | |
2475 | vty_out (vty, "Can't turn off IPv6 forwarding%s", VTY_NEWLINE); | |
2476 | return CMD_WARNING; | |
2477 | } | |
2478 | ||
2479 | return CMD_SUCCESS; | |
2480 | } | |
2481 | ||
2482 | #endif /* HAVE_IPV6 */ | |
2483 | ||
2484 | /* IPForwarding configuration write function. */ | |
719e9741 | 2485 | static int |
718e3744 | 2486 | config_write_forwarding (struct vty *vty) |
2487 | { | |
18a6dce6 | 2488 | /* FIXME: Find better place for that. */ |
2489 | router_id_write (vty); | |
2490 | ||
3e0b3a56 | 2491 | if (ipforward ()) |
2492 | vty_out (vty, "ip forwarding%s", VTY_NEWLINE); | |
718e3744 | 2493 | #ifdef HAVE_IPV6 |
3e0b3a56 | 2494 | if (ipforward_ipv6 ()) |
2495 | vty_out (vty, "ipv6 forwarding%s", VTY_NEWLINE); | |
718e3744 | 2496 | #endif /* HAVE_IPV6 */ |
2497 | vty_out (vty, "!%s", VTY_NEWLINE); | |
2498 | return 0; | |
2499 | } | |
2500 | ||
2501 | /* table node for routing tables. */ | |
7fc626de | 2502 | static struct cmd_node forwarding_node = |
718e3744 | 2503 | { |
2504 | FORWARDING_NODE, | |
2505 | "", /* This node has no interface. */ | |
2506 | 1 | |
2507 | }; | |
2508 | ||
6b0655a2 | 2509 | |
718e3744 | 2510 | /* Initialisation of zebra and installation of commands. */ |
2511 | void | |
a1ac18c4 | 2512 | zebra_init (void) |
718e3744 | 2513 | { |
2514 | /* Client list init. */ | |
b21b19c5 | 2515 | zebrad.client_list = list_new (); |
718e3744 | 2516 | |
718e3744 | 2517 | /* Install configuration write function. */ |
2518 | install_node (&table_node, config_write_table); | |
2519 | install_node (&forwarding_node, config_write_forwarding); | |
2520 | ||
2521 | install_element (VIEW_NODE, &show_ip_forwarding_cmd); | |
2522 | install_element (ENABLE_NODE, &show_ip_forwarding_cmd); | |
647e4f1f | 2523 | install_element (CONFIG_NODE, &ip_forwarding_cmd); |
718e3744 | 2524 | install_element (CONFIG_NODE, &no_ip_forwarding_cmd); |
2525 | install_element (ENABLE_NODE, &show_zebra_client_cmd); | |
04b02fda | 2526 | install_element (ENABLE_NODE, &show_zebra_client_summary_cmd); |
718e3744 | 2527 | |
2528 | #ifdef HAVE_NETLINK | |
2529 | install_element (VIEW_NODE, &show_table_cmd); | |
2530 | install_element (ENABLE_NODE, &show_table_cmd); | |
2531 | install_element (CONFIG_NODE, &config_table_cmd); | |
2532 | #endif /* HAVE_NETLINK */ | |
2533 | ||
2534 | #ifdef HAVE_IPV6 | |
2535 | install_element (VIEW_NODE, &show_ipv6_forwarding_cmd); | |
2536 | install_element (ENABLE_NODE, &show_ipv6_forwarding_cmd); | |
55906724 | 2537 | install_element (CONFIG_NODE, &ipv6_forwarding_cmd); |
718e3744 | 2538 | install_element (CONFIG_NODE, &no_ipv6_forwarding_cmd); |
2539 | #endif /* HAVE_IPV6 */ | |
7514fb77 PJ |
2540 | |
2541 | /* Route-map */ | |
2542 | zebra_route_map_init (); | |
718e3744 | 2543 | } |
97be79f9 DO |
2544 | |
2545 | /* Make zebra server socket, wiping any existing one (see bug #403). */ | |
2546 | void | |
b5114685 | 2547 | zebra_zserv_socket_init (char *path) |
97be79f9 DO |
2548 | { |
2549 | #ifdef HAVE_TCP_ZEBRA | |
2550 | zebra_serv (); | |
2551 | #else | |
b5114685 | 2552 | zebra_serv_un (path ? path : ZEBRA_SERV_PATH); |
97be79f9 DO |
2553 | #endif /* HAVE_TCP_ZEBRA */ |
2554 | } |