4 * Copyright (c) 2013, 2016 Renato Westphal <renato@openbsd.org>
5 * Copyright (c) 2005 Claudio Jeker <claudio@openbsd.org>
6 * Copyright (c) 2004, 2008 Esben Norby <norby@openbsd.org>
7 * Copyright (c) 2003, 2004 Henning Brauer <henning@openbsd.org>
9 * Permission to use, copy, modify, and distribute this software for any
10 * purpose with or without fee is hereby granted, provided that the above
11 * copyright notice and this permission notice appear in all copies.
13 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
14 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
15 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
16 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
17 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
18 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
19 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
29 #include "ldp_debug.h"
36 static void ldpe_shutdown(void);
37 static int ldpe_dispatch_main(struct thread
*);
38 static int ldpe_dispatch_lde(struct thread
*);
40 static int ldpe_dispatch_pfkey(struct thread
*);
42 static void ldpe_setup_sockets(int, int, int, int);
43 static void ldpe_close_sockets(int);
44 static void ldpe_iface_af_ctl(struct ctl_conn
*, int, unsigned int);
46 struct ldpd_conf
*leconf
;
48 struct ldpd_sysdep sysdep
;
51 static struct imsgev
*iev_main
, *iev_main_sync
;
52 static struct imsgev
*iev_lde
;
54 static struct thread
*pfkey_ev
;
57 /* Master of threads. */
58 struct thread_master
*master
;
61 static zebra_capabilities_t _caps_p
[] =
67 struct zebra_privs_t ldpe_privs
=
69 #if defined(VTY_GROUP)
70 .vty_group
= VTY_GROUP
,
73 .cap_num_p
= array_size(_caps_p
),
77 /* SIGINT / SIGTERM handler. */
84 static struct quagga_signal_t ldpe_signals
[] =
100 /* label distribution protocol engine */
104 struct thread thread
;
106 #ifdef HAVE_SETPROCTITLE
107 setproctitle("ldp engine");
109 ldpd_process
= PROC_LDP_ENGINE
;
110 log_procname
= log_procnames
[ldpd_process
];
112 master
= thread_master_create();
114 /* setup signal handler */
115 signal_init(master
, array_size(ldpe_signals
), ldpe_signals
);
117 /* setup pipes and event handlers to the parent process */
118 if ((iev_main
= calloc(1, sizeof(struct imsgev
))) == NULL
)
120 imsg_init(&iev_main
->ibuf
, LDPD_FD_ASYNC
);
121 iev_main
->handler_read
= ldpe_dispatch_main
;
122 iev_main
->ev_read
= thread_add_read(master
, iev_main
->handler_read
,
123 iev_main
, iev_main
->ibuf
.fd
);
124 iev_main
->handler_write
= ldp_write_handler
;
126 if ((iev_main_sync
= calloc(1, sizeof(struct imsgev
))) == NULL
)
128 imsg_init(&iev_main_sync
->ibuf
, LDPD_FD_SYNC
);
130 /* create base configuration */
131 leconf
= config_new_empty();
133 /* Fetch next active thread. */
134 while (thread_fetch(master
, &thread
))
135 thread_call(&thread
);
139 ldpe_init(struct ldpd_init
*init
)
141 /* drop privileges */
142 ldpe_privs
.user
= init
->user
;
143 ldpe_privs
.group
= init
->group
;
144 zprivs_init(&ldpe_privs
);
146 /* listen on ldpd control socket */
147 strlcpy(ctl_sock_path
, init
->ctl_sock_path
, sizeof(ctl_sock_path
));
148 if (control_init(ctl_sock_path
) == -1)
149 fatalx("control socket setup failed");
150 TAILQ_INIT(&ctl_conns
);
154 if (pledge("stdio cpath inet mcast recvfd", NULL
) == -1)
158 LIST_INIT(&global
.addr_list
);
159 RB_INIT(&global
.adj_tree
);
160 TAILQ_INIT(&global
.pending_conns
);
161 if (inet_pton(AF_INET
, AllRouters_v4
, &global
.mcast_addr_v4
) != 1)
163 if (inet_pton(AF_INET6
, AllRouters_v6
, &global
.mcast_addr_v6
) != 1)
166 global
.pfkeysock
= pfkey_init();
167 if (sysdep
.no_pfkey
== 0)
168 pfkey_ev
= thread_add_read(master
, ldpe_dispatch_pfkey
,
169 NULL
, global
.pfkeysock
);
172 /* mark sockets as closed */
173 global
.ipv4
.ldp_disc_socket
= -1;
174 global
.ipv4
.ldp_edisc_socket
= -1;
175 global
.ipv4
.ldp_session_socket
= -1;
176 global
.ipv6
.ldp_disc_socket
= -1;
177 global
.ipv6
.ldp_edisc_socket
= -1;
178 global
.ipv6
.ldp_session_socket
= -1;
180 if ((pkt_ptr
= calloc(1, IBUF_READ_SIZE
)) == NULL
)
189 struct if_addr
*if_addr
;
194 msgbuf_write(&iev_lde
->ibuf
.w
);
195 msgbuf_clear(&iev_lde
->ibuf
.w
);
196 close(iev_lde
->ibuf
.fd
);
198 msgbuf_write(&iev_main
->ibuf
.w
);
199 msgbuf_clear(&iev_main
->ibuf
.w
);
200 close(iev_main
->ibuf
.fd
);
201 msgbuf_clear(&iev_main_sync
->ibuf
.w
);
202 close(iev_main_sync
->ibuf
.fd
);
204 control_cleanup(ctl_sock_path
);
205 config_clear(leconf
);
208 if (sysdep
.no_pfkey
== 0) {
209 THREAD_READ_OFF(pfkey_ev
);
210 close(global
.pfkeysock
);
213 ldpe_close_sockets(AF_INET
);
214 ldpe_close_sockets(AF_INET6
);
216 /* remove addresses from global list */
217 while ((if_addr
= LIST_FIRST(&global
.addr_list
)) != NULL
) {
218 LIST_REMOVE(if_addr
, entry
);
221 while ((adj
= RB_ROOT(&global
.adj_tree
)) != NULL
)
222 adj_del(adj
, S_SHUTDOWN
);
231 log_info("ldp engine exiting");
237 ldpe_imsg_compose_parent(int type
, pid_t pid
, void *data
, uint16_t datalen
)
239 return (imsg_compose_event(iev_main
, type
, 0, pid
, -1, data
, datalen
));
243 ldpe_imsg_compose_parent_sync(int type
, pid_t pid
, void *data
, uint16_t datalen
)
245 imsg_compose_event(iev_main_sync
, type
, 0, pid
, -1, data
, datalen
);
246 imsg_flush(&iev_main_sync
->ibuf
);
250 ldpe_imsg_compose_lde(int type
, uint32_t peerid
, pid_t pid
, void *data
,
253 return (imsg_compose_event(iev_lde
, type
, peerid
, pid
, -1,
259 ldpe_dispatch_main(struct thread
*thread
)
261 static struct ldpd_conf
*nconf
;
262 struct iface
*niface
;
264 struct nbr_params
*nnbrp
;
265 static struct l2vpn
*l2vpn
, *nl2vpn
;
266 struct l2vpn_if
*lif
, *nlif
;
267 struct l2vpn_pw
*pw
, *npw
;
269 int fd
= THREAD_FD(thread
);
270 struct imsgev
*iev
= THREAD_ARG(thread
);
271 struct imsgbuf
*ibuf
= &iev
->ibuf
;
272 struct iface
*iface
= NULL
;
275 enum socket_type
*socket_type
;
276 static int disc_socket
= -1;
277 static int edisc_socket
= -1;
278 static int session_socket
= -1;
281 struct nbr_params
*nbrp
;
287 if ((n
= imsg_read(ibuf
)) == -1 && errno
!= EAGAIN
)
288 fatal("imsg_read error");
289 if (n
== 0) /* connection closed */
293 if ((n
= imsg_get(ibuf
, &imsg
)) == -1)
294 fatal("ldpe_dispatch_main: imsg_get error");
298 switch (imsg
.hdr
.type
) {
300 if (imsg
.hdr
.len
!= IMSG_HEADER_SIZE
+
302 fatalx("IFSTATUS imsg with wrong len");
305 iface
= if_lookup_name(leconf
, kif
->ifname
);
307 if_update_info(iface
, kif
);
308 ldp_if_update(iface
, AF_UNSPEC
);
312 RB_FOREACH(l2vpn
, l2vpn_head
, &leconf
->l2vpn_tree
) {
313 lif
= l2vpn_if_find(l2vpn
, kif
->ifname
);
315 l2vpn_if_update_info(lif
, kif
);
316 l2vpn_if_update(lif
);
319 pw
= l2vpn_pw_find(l2vpn
, kif
->ifname
);
321 l2vpn_pw_update_info(pw
, kif
);
327 if (imsg
.hdr
.len
!= IMSG_HEADER_SIZE
+
328 sizeof(struct kaddr
))
329 fatalx("NEWADDR imsg with wrong len");
331 if_addr_add(imsg
.data
);
334 if (imsg
.hdr
.len
!= IMSG_HEADER_SIZE
+
335 sizeof(struct kaddr
))
336 fatalx("DELADDR imsg with wrong len");
338 if_addr_del(imsg
.data
);
340 case IMSG_SOCKET_IPC
:
342 log_warnx("%s: received unexpected imsg fd "
346 if ((fd
= imsg
.fd
) == -1) {
347 log_warnx("%s: expected to receive imsg fd to "
348 "lde but didn't receive any", __func__
);
352 if ((iev_lde
= malloc(sizeof(struct imsgev
))) == NULL
)
354 imsg_init(&iev_lde
->ibuf
, fd
);
355 iev_lde
->handler_read
= ldpe_dispatch_lde
;
356 iev_lde
->ev_read
= thread_add_read(master
,
357 iev_lde
->handler_read
, iev_lde
, iev_lde
->ibuf
.fd
);
358 iev_lde
->handler_write
= ldp_write_handler
;
359 iev_lde
->ev_write
= NULL
;
362 if (imsg
.hdr
.len
!= IMSG_HEADER_SIZE
+
363 sizeof(struct ldpd_init
))
364 fatalx("INIT imsg with wrong len");
366 memcpy(&init
, imsg
.data
, sizeof(init
));
369 case IMSG_CLOSE_SOCKETS
:
370 af
= imsg
.hdr
.peerid
;
372 RB_FOREACH(nbr
, nbr_id_head
, &nbrs_by_id
) {
375 session_shutdown(nbr
, S_SHUTDOWN
, 0, 0);
379 nbr
->auth
.method
= AUTH_NONE
;
381 ldpe_close_sockets(af
);
388 if ((ldp_af_conf_get(leconf
, af
))->flags
&
390 ldpe_imsg_compose_parent(IMSG_REQUEST_SOCKETS
,
393 case IMSG_SOCKET_NET
:
394 if (imsg
.hdr
.len
!= IMSG_HEADER_SIZE
+
395 sizeof(enum socket_type
))
396 fatalx("SOCKET_NET imsg with wrong len");
397 socket_type
= imsg
.data
;
399 switch (*socket_type
) {
400 case LDP_SOCKET_DISC
:
401 disc_socket
= imsg
.fd
;
403 case LDP_SOCKET_EDISC
:
404 edisc_socket
= imsg
.fd
;
406 case LDP_SOCKET_SESSION
:
407 session_socket
= imsg
.fd
;
411 case IMSG_SETUP_SOCKETS
:
412 af
= imsg
.hdr
.peerid
;
413 if (disc_socket
== -1 || edisc_socket
== -1 ||
414 session_socket
== -1) {
415 if (disc_socket
!= -1)
417 if (edisc_socket
!= -1)
419 if (session_socket
!= -1)
420 close(session_socket
);
424 ldpe_setup_sockets(af
, disc_socket
, edisc_socket
,
428 RB_FOREACH(nbr
, nbr_id_head
, &nbrs_by_id
) {
431 nbr
->laddr
= (ldp_af_conf_get(leconf
,
434 nbrp
= nbr_params_find(leconf
, nbr
->id
);
436 nbr
->auth
.method
= nbrp
->auth
.method
;
437 if (pfkey_establish(nbr
, nbrp
) == -1)
438 fatalx("pfkey setup failed");
441 if (nbr_session_active_role(nbr
))
442 nbr_establish_connection(nbr
);
445 case IMSG_RTRID_UPDATE
:
446 memcpy(&global
.rtr_id
, imsg
.data
,
447 sizeof(global
.rtr_id
));
448 if (leconf
->rtr_id
.s_addr
== INADDR_ANY
) {
449 ldpe_reset_nbrs(AF_UNSPEC
);
451 if_update_all(AF_UNSPEC
);
452 tnbr_update_all(AF_UNSPEC
);
454 case IMSG_RECONF_CONF
:
455 if ((nconf
= malloc(sizeof(struct ldpd_conf
))) ==
458 memcpy(nconf
, imsg
.data
, sizeof(struct ldpd_conf
));
460 RB_INIT(&nconf
->iface_tree
);
461 RB_INIT(&nconf
->tnbr_tree
);
462 RB_INIT(&nconf
->nbrp_tree
);
463 RB_INIT(&nconf
->l2vpn_tree
);
465 case IMSG_RECONF_IFACE
:
466 if ((niface
= malloc(sizeof(struct iface
))) == NULL
)
468 memcpy(niface
, imsg
.data
, sizeof(struct iface
));
470 RB_INSERT(iface_head
, &nconf
->iface_tree
, niface
);
472 case IMSG_RECONF_TNBR
:
473 if ((ntnbr
= malloc(sizeof(struct tnbr
))) == NULL
)
475 memcpy(ntnbr
, imsg
.data
, sizeof(struct tnbr
));
477 RB_INSERT(tnbr_head
, &nconf
->tnbr_tree
, ntnbr
);
479 case IMSG_RECONF_NBRP
:
480 if ((nnbrp
= malloc(sizeof(struct nbr_params
))) == NULL
)
482 memcpy(nnbrp
, imsg
.data
, sizeof(struct nbr_params
));
484 RB_INSERT(nbrp_head
, &nconf
->nbrp_tree
, nnbrp
);
486 case IMSG_RECONF_L2VPN
:
487 if ((nl2vpn
= malloc(sizeof(struct l2vpn
))) == NULL
)
489 memcpy(nl2vpn
, imsg
.data
, sizeof(struct l2vpn
));
491 RB_INIT(&nl2vpn
->if_tree
);
492 RB_INIT(&nl2vpn
->pw_tree
);
493 RB_INIT(&nl2vpn
->pw_inactive_tree
);
495 RB_INSERT(l2vpn_head
, &nconf
->l2vpn_tree
, nl2vpn
);
497 case IMSG_RECONF_L2VPN_IF
:
498 if ((nlif
= malloc(sizeof(struct l2vpn_if
))) == NULL
)
500 memcpy(nlif
, imsg
.data
, sizeof(struct l2vpn_if
));
502 RB_INSERT(l2vpn_if_head
, &nl2vpn
->if_tree
, nlif
);
504 case IMSG_RECONF_L2VPN_PW
:
505 if ((npw
= malloc(sizeof(struct l2vpn_pw
))) == NULL
)
507 memcpy(npw
, imsg
.data
, sizeof(struct l2vpn_pw
));
509 RB_INSERT(l2vpn_pw_head
, &nl2vpn
->pw_tree
, npw
);
511 case IMSG_RECONF_L2VPN_IPW
:
512 if ((npw
= malloc(sizeof(struct l2vpn_pw
))) == NULL
)
514 memcpy(npw
, imsg
.data
, sizeof(struct l2vpn_pw
));
516 RB_INSERT(l2vpn_pw_head
, &nl2vpn
->pw_inactive_tree
, npw
);
518 case IMSG_RECONF_END
:
519 merge_config(leconf
, nconf
);
520 ldp_clear_config(nconf
);
522 global
.conf_seqnum
++;
525 control_imsg_relay(&imsg
);
527 case IMSG_DEBUG_UPDATE
:
528 if (imsg
.hdr
.len
!= IMSG_HEADER_SIZE
+
530 log_warnx("%s: wrong imsg len", __func__
);
533 memcpy(&ldp_debug
, imsg
.data
, sizeof(ldp_debug
));
536 log_debug("ldpe_dispatch_main: error handling imsg %d",
545 /* this pipe is dead, so remove the event handlers and exit */
546 THREAD_READ_OFF(iev
->ev_read
);
547 THREAD_WRITE_OFF(iev
->ev_write
);
556 ldpe_dispatch_lde(struct thread
*thread
)
558 struct imsgev
*iev
= THREAD_ARG(thread
);
559 struct imsgbuf
*ibuf
= &iev
->ibuf
;
562 struct notify_msg
*nm
;
568 if ((n
= imsg_read(ibuf
)) == -1 && errno
!= EAGAIN
)
569 fatal("imsg_read error");
570 if (n
== 0) /* connection closed */
574 if ((n
= imsg_get(ibuf
, &imsg
)) == -1)
575 fatal("ldpe_dispatch_lde: imsg_get error");
579 switch (imsg
.hdr
.type
) {
580 case IMSG_MAPPING_ADD
:
581 case IMSG_RELEASE_ADD
:
582 case IMSG_REQUEST_ADD
:
583 case IMSG_WITHDRAW_ADD
:
584 if (imsg
.hdr
.len
- IMSG_HEADER_SIZE
!=
586 fatalx("invalid size of map request");
589 nbr
= nbr_find_peerid(imsg
.hdr
.peerid
);
591 log_debug("ldpe_dispatch_lde: cannot find "
595 if (nbr
->state
!= NBR_STA_OPER
)
598 switch (imsg
.hdr
.type
) {
599 case IMSG_MAPPING_ADD
:
600 mapping_list_add(&nbr
->mapping_list
, map
);
602 case IMSG_RELEASE_ADD
:
603 mapping_list_add(&nbr
->release_list
, map
);
605 case IMSG_REQUEST_ADD
:
606 mapping_list_add(&nbr
->request_list
, map
);
608 case IMSG_WITHDRAW_ADD
:
609 mapping_list_add(&nbr
->withdraw_list
, map
);
613 case IMSG_MAPPING_ADD_END
:
614 case IMSG_RELEASE_ADD_END
:
615 case IMSG_REQUEST_ADD_END
:
616 case IMSG_WITHDRAW_ADD_END
:
617 nbr
= nbr_find_peerid(imsg
.hdr
.peerid
);
619 log_debug("ldpe_dispatch_lde: cannot find "
623 if (nbr
->state
!= NBR_STA_OPER
)
626 switch (imsg
.hdr
.type
) {
627 case IMSG_MAPPING_ADD_END
:
628 send_labelmessage(nbr
, MSG_TYPE_LABELMAPPING
,
631 case IMSG_RELEASE_ADD_END
:
632 send_labelmessage(nbr
, MSG_TYPE_LABELRELEASE
,
635 case IMSG_REQUEST_ADD_END
:
636 send_labelmessage(nbr
, MSG_TYPE_LABELREQUEST
,
639 case IMSG_WITHDRAW_ADD_END
:
640 send_labelmessage(nbr
, MSG_TYPE_LABELWITHDRAW
,
641 &nbr
->withdraw_list
);
645 case IMSG_NOTIFICATION_SEND
:
646 if (imsg
.hdr
.len
- IMSG_HEADER_SIZE
!=
647 sizeof(struct notify_msg
))
648 fatalx("invalid size of OE request");
651 nbr
= nbr_find_peerid(imsg
.hdr
.peerid
);
653 log_debug("ldpe_dispatch_lde: cannot find "
657 if (nbr
->state
!= NBR_STA_OPER
)
660 send_notification_full(nbr
->tcp
, nm
);
663 case IMSG_CTL_SHOW_LIB_BEGIN
:
664 case IMSG_CTL_SHOW_LIB_RCVD
:
665 case IMSG_CTL_SHOW_LIB_SENT
:
666 case IMSG_CTL_SHOW_LIB_END
:
667 case IMSG_CTL_SHOW_L2VPN_PW
:
668 case IMSG_CTL_SHOW_L2VPN_BINDING
:
669 control_imsg_relay(&imsg
);
672 log_debug("ldpe_dispatch_lde: error handling imsg %d",
681 /* this pipe is dead, so remove the event handlers and exit */
682 THREAD_READ_OFF(iev
->ev_read
);
683 THREAD_WRITE_OFF(iev
->ev_write
);
693 ldpe_dispatch_pfkey(struct thread
*thread
)
695 int fd
= THREAD_FD(thread
);
697 pfkey_ev
= thread_add_read(master
, ldpe_dispatch_pfkey
,
698 NULL
, global
.pfkeysock
);
700 if (pfkey_read(fd
, NULL
) == -1)
701 fatal("pfkey_read failed, exiting...");
705 #endif /* __OpenBSD__ */
708 ldpe_setup_sockets(int af
, int disc_socket
, int edisc_socket
,
711 struct ldpd_af_global
*af_global
;
713 af_global
= ldp_af_global_get(&global
, af
);
715 /* discovery socket */
716 af_global
->ldp_disc_socket
= disc_socket
;
717 af_global
->disc_ev
= thread_add_read(master
, disc_recv_packet
,
718 &af_global
->disc_ev
, af_global
->ldp_disc_socket
);
720 /* extended discovery socket */
721 af_global
->ldp_edisc_socket
= edisc_socket
;
722 af_global
->edisc_ev
= thread_add_read(master
, disc_recv_packet
,
723 &af_global
->edisc_ev
, af_global
->ldp_edisc_socket
);
726 af_global
->ldp_session_socket
= session_socket
;
727 accept_add(af_global
->ldp_session_socket
, session_accept
, NULL
);
731 ldpe_close_sockets(int af
)
733 struct ldpd_af_global
*af_global
;
735 af_global
= ldp_af_global_get(&global
, af
);
737 /* discovery socket */
738 THREAD_READ_OFF(af_global
->disc_ev
);
739 if (af_global
->ldp_disc_socket
!= -1) {
740 close(af_global
->ldp_disc_socket
);
741 af_global
->ldp_disc_socket
= -1;
744 /* extended discovery socket */
745 THREAD_READ_OFF(af_global
->edisc_ev
);
746 if (af_global
->ldp_edisc_socket
!= -1) {
747 close(af_global
->ldp_edisc_socket
);
748 af_global
->ldp_edisc_socket
= -1;
752 if (af_global
->ldp_session_socket
!= -1) {
753 accept_del(af_global
->ldp_session_socket
);
754 close(af_global
->ldp_session_socket
);
755 af_global
->ldp_session_socket
= -1;
760 ldpe_acl_check(char *acl_name
, int af
, union ldpd_addr
*addr
, uint8_t prefixlen
)
762 return ldp_acl_request(iev_main_sync
, acl_name
, af
, addr
, prefixlen
);
766 ldpe_reset_nbrs(int af
)
770 RB_FOREACH(nbr
, nbr_id_head
, &nbrs_by_id
) {
771 if (af
== AF_UNSPEC
|| nbr
->af
== af
)
772 session_shutdown(nbr
, S_SHUTDOWN
, 0, 0);
777 ldpe_reset_ds_nbrs(void)
781 RB_FOREACH(nbr
, nbr_id_head
, &nbrs_by_id
) {
783 session_shutdown(nbr
, S_SHUTDOWN
, 0, 0);
788 ldpe_remove_dynamic_tnbrs(int af
)
790 struct tnbr
*tnbr
, *safe
;
792 RB_FOREACH_SAFE(tnbr
, tnbr_head
, &leconf
->tnbr_tree
, safe
) {
796 tnbr
->flags
&= ~F_TNBR_DYNAMIC
;
797 tnbr_check(leconf
, tnbr
);
802 ldpe_stop_init_backoff(int af
)
806 RB_FOREACH(nbr
, nbr_id_head
, &nbrs_by_id
) {
807 if (nbr
->af
== af
&& nbr_pending_idtimer(nbr
)) {
808 nbr_stop_idtimer(nbr
);
809 nbr_establish_connection(nbr
);
815 ldpe_iface_af_ctl(struct ctl_conn
*c
, int af
, unsigned int idx
)
819 struct ctl_iface
*ictl
;
821 RB_FOREACH(iface
, iface_head
, &leconf
->iface_tree
) {
822 if (idx
== 0 || idx
== iface
->ifindex
) {
823 ia
= iface_af_get(iface
, af
);
827 ictl
= if_to_ctl(ia
);
828 imsg_compose_event(&c
->iev
, IMSG_CTL_SHOW_INTERFACE
,
829 0, 0, -1, ictl
, sizeof(struct ctl_iface
));
835 ldpe_iface_ctl(struct ctl_conn
*c
, unsigned int idx
)
837 ldpe_iface_af_ctl(c
, AF_INET
, idx
);
838 ldpe_iface_af_ctl(c
, AF_INET6
, idx
);
842 ldpe_adj_ctl(struct ctl_conn
*c
)
845 struct ctl_adj
*actl
;
847 RB_FOREACH(adj
, global_adj_head
, &global
.adj_tree
) {
848 actl
= adj_to_ctl(adj
);
849 imsg_compose_event(&c
->iev
, IMSG_CTL_SHOW_DISCOVERY
, 0, 0,
850 -1, actl
, sizeof(struct ctl_adj
));
853 imsg_compose_event(&c
->iev
, IMSG_CTL_END
, 0, 0, -1, NULL
, 0);
857 ldpe_adj_detail_ctl(struct ctl_conn
*c
)
862 struct ctl_adj
*actl
;
863 struct ctl_disc_if ictl
;
864 struct ctl_disc_tnbr tctl
;
866 imsg_compose_event(&c
->iev
, IMSG_CTL_SHOW_DISCOVERY
, 0, 0, -1, NULL
, 0);
868 RB_FOREACH(iface
, iface_head
, &leconf
->iface_tree
) {
869 memset(&ictl
, 0, sizeof(ictl
));
870 ictl
.active_v4
= (iface
->ipv4
.state
== IF_STA_ACTIVE
);
871 ictl
.active_v6
= (iface
->ipv6
.state
== IF_STA_ACTIVE
);
873 if (!ictl
.active_v4
&& !ictl
.active_v6
)
876 strlcpy(ictl
.name
, iface
->name
, sizeof(ictl
.name
));
877 if (RB_EMPTY(&iface
->ipv4
.adj_tree
) &&
878 RB_EMPTY(&iface
->ipv6
.adj_tree
))
880 imsg_compose_event(&c
->iev
, IMSG_CTL_SHOW_DISC_IFACE
, 0, 0,
881 -1, &ictl
, sizeof(ictl
));
883 RB_FOREACH(adj
, ia_adj_head
, &iface
->ipv4
.adj_tree
) {
884 actl
= adj_to_ctl(adj
);
885 imsg_compose_event(&c
->iev
, IMSG_CTL_SHOW_DISC_ADJ
,
886 0, 0, -1, actl
, sizeof(struct ctl_adj
));
888 RB_FOREACH(adj
, ia_adj_head
, &iface
->ipv6
.adj_tree
) {
889 actl
= adj_to_ctl(adj
);
890 imsg_compose_event(&c
->iev
, IMSG_CTL_SHOW_DISC_ADJ
,
891 0, 0, -1, actl
, sizeof(struct ctl_adj
));
895 RB_FOREACH(tnbr
, tnbr_head
, &leconf
->tnbr_tree
) {
896 memset(&tctl
, 0, sizeof(tctl
));
898 tctl
.addr
= tnbr
->addr
;
899 if (tnbr
->adj
== NULL
)
902 imsg_compose_event(&c
->iev
, IMSG_CTL_SHOW_DISC_TNBR
, 0, 0,
903 -1, &tctl
, sizeof(tctl
));
905 if (tnbr
->adj
== NULL
)
908 actl
= adj_to_ctl(tnbr
->adj
);
909 imsg_compose_event(&c
->iev
, IMSG_CTL_SHOW_DISC_ADJ
, 0, 0,
910 -1, actl
, sizeof(struct ctl_adj
));
913 imsg_compose_event(&c
->iev
, IMSG_CTL_END
, 0, 0, -1, NULL
, 0);
917 ldpe_nbr_ctl(struct ctl_conn
*c
)
920 struct ctl_adj
*actl
;
922 struct ctl_nbr
*nctl
;
924 RB_FOREACH(nbr
, nbr_addr_head
, &nbrs_by_addr
) {
925 if (nbr
->state
== NBR_STA_PRESENT
)
928 nctl
= nbr_to_ctl(nbr
);
929 imsg_compose_event(&c
->iev
, IMSG_CTL_SHOW_NBR
, 0, 0, -1, nctl
,
930 sizeof(struct ctl_nbr
));
932 RB_FOREACH(adj
, nbr_adj_head
, &nbr
->adj_tree
) {
933 actl
= adj_to_ctl(adj
);
934 imsg_compose_event(&c
->iev
, IMSG_CTL_SHOW_NBR_DISC
,
935 0, 0, -1, actl
, sizeof(struct ctl_adj
));
938 imsg_compose_event(&c
->iev
, IMSG_CTL_SHOW_NBR_END
, 0, 0, -1,
941 imsg_compose_event(&c
->iev
, IMSG_CTL_END
, 0, 0, -1, NULL
, 0);
945 mapping_list_add(struct mapping_head
*mh
, struct map
*map
)
947 struct mapping_entry
*me
;
949 me
= calloc(1, sizeof(*me
));
954 TAILQ_INSERT_TAIL(mh
, me
, entry
);
958 mapping_list_clr(struct mapping_head
*mh
)
960 struct mapping_entry
*me
;
962 while ((me
= TAILQ_FIRST(mh
)) != NULL
) {
963 TAILQ_REMOVE(mh
, me
, entry
);