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1 | /* $OpenBSD$ */ | |
2 | ||
3 | /* | |
4 | * Copyright (c) 2013, 2016 Renato Westphal <renato@openbsd.org> | |
5 | * Copyright (c) 2009 Michele Marchetto <michele@openbsd.org> | |
6 | * Copyright (c) 2004 Esben Norby <norby@openbsd.org> | |
7 | * Copyright (c) 2003, 2004 Henning Brauer <henning@openbsd.org> | |
8 | * | |
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. | |
12 | * | |
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. | |
20 | */ | |
21 | ||
22 | #ifndef _LDPD_H_ | |
23 | #define _LDPD_H_ | |
24 | ||
25 | #include "queue.h" | |
26 | #include "openbsd-tree.h" | |
27 | #include "imsg.h" | |
28 | #include "thread.h" | |
29 | #include "qobj.h" | |
30 | #include "prefix.h" | |
31 | #include "filter.h" | |
32 | #include "vty.h" | |
33 | #include "pw.h" | |
34 | #include "zclient.h" | |
35 | ||
36 | #include "ldp.h" | |
37 | ||
38 | #define CONF_FILE "/etc/ldpd.conf" | |
39 | #define LDPD_USER "_ldpd" | |
40 | ||
41 | #define LDPD_FD_ASYNC 3 | |
42 | #define LDPD_FD_SYNC 4 | |
43 | ||
44 | #define LDPD_OPT_VERBOSE 0x00000001 | |
45 | #define LDPD_OPT_VERBOSE2 0x00000002 | |
46 | #define LDPD_OPT_NOACTION 0x00000004 | |
47 | ||
48 | #define TCP_MD5_KEY_LEN 80 | |
49 | ||
50 | #define RT_BUF_SIZE 16384 | |
51 | #define MAX_RTSOCK_BUF 128 * 1024 | |
52 | #define LDP_BACKLOG 128 | |
53 | ||
54 | #define F_LDPD_INSERTED 0x0001 | |
55 | #define F_CONNECTED 0x0002 | |
56 | #define F_STATIC 0x0004 | |
57 | #define F_DYNAMIC 0x0008 | |
58 | #define F_REJECT 0x0010 | |
59 | #define F_BLACKHOLE 0x0020 | |
60 | #define F_REDISTRIBUTED 0x0040 | |
61 | ||
62 | struct evbuf { | |
63 | struct msgbuf wbuf; | |
64 | struct thread *ev; | |
65 | int (*handler)(struct thread *); | |
66 | void *arg; | |
67 | }; | |
68 | ||
69 | struct imsgev { | |
70 | struct imsgbuf ibuf; | |
71 | int (*handler_write)(struct thread *); | |
72 | struct thread *ev_write; | |
73 | int (*handler_read)(struct thread *); | |
74 | struct thread *ev_read; | |
75 | }; | |
76 | ||
77 | enum imsg_type { | |
78 | IMSG_NONE, | |
79 | IMSG_CTL_RELOAD, | |
80 | IMSG_CTL_SHOW_INTERFACE, | |
81 | IMSG_CTL_SHOW_DISCOVERY, | |
82 | IMSG_CTL_SHOW_DISCOVERY_DTL, | |
83 | IMSG_CTL_SHOW_DISC_IFACE, | |
84 | IMSG_CTL_SHOW_DISC_TNBR, | |
85 | IMSG_CTL_SHOW_DISC_ADJ, | |
86 | IMSG_CTL_SHOW_NBR, | |
87 | IMSG_CTL_SHOW_NBR_DISC, | |
88 | IMSG_CTL_SHOW_NBR_END, | |
89 | IMSG_CTL_SHOW_LIB, | |
90 | IMSG_CTL_SHOW_LIB_BEGIN, | |
91 | IMSG_CTL_SHOW_LIB_SENT, | |
92 | IMSG_CTL_SHOW_LIB_RCVD, | |
93 | IMSG_CTL_SHOW_LIB_END, | |
94 | IMSG_CTL_SHOW_L2VPN_PW, | |
95 | IMSG_CTL_SHOW_L2VPN_BINDING, | |
96 | IMSG_CTL_CLEAR_NBR, | |
97 | IMSG_CTL_FIB_COUPLE, | |
98 | IMSG_CTL_FIB_DECOUPLE, | |
99 | IMSG_CTL_KROUTE, | |
100 | IMSG_CTL_KROUTE_ADDR, | |
101 | IMSG_CTL_IFINFO, | |
102 | IMSG_CTL_END, | |
103 | IMSG_CTL_LOG_VERBOSE, | |
104 | IMSG_KLABEL_CHANGE, | |
105 | IMSG_KLABEL_DELETE, | |
106 | IMSG_KPW_ADD, | |
107 | IMSG_KPW_DELETE, | |
108 | IMSG_KPW_SET, | |
109 | IMSG_KPW_UNSET, | |
110 | IMSG_IFSTATUS, | |
111 | IMSG_NEWADDR, | |
112 | IMSG_DELADDR, | |
113 | IMSG_RTRID_UPDATE, | |
114 | IMSG_LABEL_MAPPING, | |
115 | IMSG_LABEL_MAPPING_FULL, | |
116 | IMSG_LABEL_REQUEST, | |
117 | IMSG_LABEL_RELEASE, | |
118 | IMSG_LABEL_WITHDRAW, | |
119 | IMSG_LABEL_ABORT, | |
120 | IMSG_REQUEST_ADD, | |
121 | IMSG_REQUEST_ADD_END, | |
122 | IMSG_MAPPING_ADD, | |
123 | IMSG_MAPPING_ADD_END, | |
124 | IMSG_RELEASE_ADD, | |
125 | IMSG_RELEASE_ADD_END, | |
126 | IMSG_WITHDRAW_ADD, | |
127 | IMSG_WITHDRAW_ADD_END, | |
128 | IMSG_ADDRESS_ADD, | |
129 | IMSG_ADDRESS_DEL, | |
130 | IMSG_NOTIFICATION, | |
131 | IMSG_NOTIFICATION_SEND, | |
132 | IMSG_NEIGHBOR_UP, | |
133 | IMSG_NEIGHBOR_DOWN, | |
134 | IMSG_NETWORK_ADD, | |
135 | IMSG_NETWORK_UPDATE, | |
136 | IMSG_SOCKET_IPC, | |
137 | IMSG_SOCKET_NET, | |
138 | IMSG_CLOSE_SOCKETS, | |
139 | IMSG_REQUEST_SOCKETS, | |
140 | IMSG_SETUP_SOCKETS, | |
141 | IMSG_RECONF_CONF, | |
142 | IMSG_RECONF_IFACE, | |
143 | IMSG_RECONF_TNBR, | |
144 | IMSG_RECONF_NBRP, | |
145 | IMSG_RECONF_L2VPN, | |
146 | IMSG_RECONF_L2VPN_IF, | |
147 | IMSG_RECONF_L2VPN_PW, | |
148 | IMSG_RECONF_L2VPN_IPW, | |
149 | IMSG_RECONF_END, | |
150 | IMSG_DEBUG_UPDATE, | |
151 | IMSG_LOG, | |
152 | IMSG_ACL_CHECK, | |
153 | IMSG_INIT, | |
154 | IMSG_PW_UPDATE | |
155 | }; | |
156 | ||
157 | struct ldpd_init { | |
158 | char user[256]; | |
159 | char group[256]; | |
160 | char ctl_sock_path[MAXPATHLEN]; | |
161 | char zclient_serv_path[MAXPATHLEN]; | |
162 | unsigned short instance; | |
163 | }; | |
164 | ||
165 | union ldpd_addr { | |
166 | struct in_addr v4; | |
167 | struct in6_addr v6; | |
168 | }; | |
169 | ||
170 | #define IN6_IS_SCOPE_EMBED(a) \ | |
171 | ((IN6_IS_ADDR_LINKLOCAL(a)) || \ | |
172 | (IN6_IS_ADDR_MC_LINKLOCAL(a)) || \ | |
173 | (IN6_IS_ADDR_MC_INTFACELOCAL(a))) | |
174 | ||
175 | /* interface states */ | |
176 | #define IF_STA_DOWN 0x01 | |
177 | #define IF_STA_ACTIVE 0x02 | |
178 | ||
179 | /* targeted neighbor states */ | |
180 | #define TNBR_STA_DOWN 0x01 | |
181 | #define TNBR_STA_ACTIVE 0x02 | |
182 | ||
183 | /* interface types */ | |
184 | enum iface_type { | |
185 | IF_TYPE_POINTOPOINT, | |
186 | IF_TYPE_BROADCAST | |
187 | }; | |
188 | ||
189 | /* neighbor states */ | |
190 | #define NBR_STA_PRESENT 0x0001 | |
191 | #define NBR_STA_INITIAL 0x0002 | |
192 | #define NBR_STA_OPENREC 0x0004 | |
193 | #define NBR_STA_OPENSENT 0x0008 | |
194 | #define NBR_STA_OPER 0x0010 | |
195 | #define NBR_STA_SESSION (NBR_STA_INITIAL | NBR_STA_OPENREC | \ | |
196 | NBR_STA_OPENSENT | NBR_STA_OPER) | |
197 | ||
198 | /* neighbor events */ | |
199 | enum nbr_event { | |
200 | NBR_EVT_NOTHING, | |
201 | NBR_EVT_MATCH_ADJ, | |
202 | NBR_EVT_CONNECT_UP, | |
203 | NBR_EVT_CLOSE_SESSION, | |
204 | NBR_EVT_INIT_RCVD, | |
205 | NBR_EVT_KEEPALIVE_RCVD, | |
206 | NBR_EVT_PDU_RCVD, | |
207 | NBR_EVT_PDU_SENT, | |
208 | NBR_EVT_INIT_SENT | |
209 | }; | |
210 | ||
211 | /* neighbor actions */ | |
212 | enum nbr_action { | |
213 | NBR_ACT_NOTHING, | |
214 | NBR_ACT_RST_KTIMEOUT, | |
215 | NBR_ACT_SESSION_EST, | |
216 | NBR_ACT_RST_KTIMER, | |
217 | NBR_ACT_CONNECT_SETUP, | |
218 | NBR_ACT_PASSIVE_INIT, | |
219 | NBR_ACT_KEEPALIVE_SEND, | |
220 | NBR_ACT_CLOSE_SESSION | |
221 | }; | |
222 | ||
223 | /* forward declarations */ | |
224 | RB_HEAD(global_adj_head, adj); | |
225 | RB_HEAD(nbr_adj_head, adj); | |
226 | RB_HEAD(ia_adj_head, adj); | |
227 | ||
228 | struct map { | |
229 | uint8_t type; | |
230 | uint32_t msg_id; | |
231 | union { | |
232 | struct { | |
233 | uint16_t af; | |
234 | union ldpd_addr prefix; | |
235 | uint8_t prefixlen; | |
236 | } prefix; | |
237 | struct { | |
238 | uint16_t type; | |
239 | uint32_t pwid; | |
240 | uint32_t group_id; | |
241 | uint16_t ifmtu; | |
242 | } pwid; | |
243 | struct { | |
244 | uint8_t type; | |
245 | union { | |
246 | uint16_t prefix_af; | |
247 | uint16_t pw_type; | |
248 | } u; | |
249 | } twcard; | |
250 | } fec; | |
251 | struct { | |
252 | uint32_t status_code; | |
253 | uint32_t msg_id; | |
254 | uint16_t msg_type; | |
255 | } st; | |
256 | uint32_t label; | |
257 | uint32_t requestid; | |
258 | uint32_t pw_status; | |
259 | uint8_t flags; | |
260 | }; | |
261 | #define F_MAP_REQ_ID 0x01 /* optional request message id present */ | |
262 | #define F_MAP_STATUS 0x02 /* status */ | |
263 | #define F_MAP_PW_CWORD 0x04 /* pseudowire control word */ | |
264 | #define F_MAP_PW_ID 0x08 /* pseudowire connection id */ | |
265 | #define F_MAP_PW_IFMTU 0x10 /* pseudowire interface parameter */ | |
266 | #define F_MAP_PW_STATUS 0x20 /* pseudowire status */ | |
267 | ||
268 | struct notify_msg { | |
269 | uint32_t status_code; | |
270 | uint32_t msg_id; /* network byte order */ | |
271 | uint16_t msg_type; /* network byte order */ | |
272 | uint32_t pw_status; | |
273 | struct map fec; | |
274 | struct { | |
275 | uint16_t type; | |
276 | uint16_t length; | |
277 | char *data; | |
278 | } rtlvs; | |
279 | uint8_t flags; | |
280 | }; | |
281 | #define F_NOTIF_PW_STATUS 0x01 /* pseudowire status tlv present */ | |
282 | #define F_NOTIF_FEC 0x02 /* fec tlv present */ | |
283 | #define F_NOTIF_RETURNED_TLVS 0x04 /* returned tlvs present */ | |
284 | ||
285 | struct if_addr { | |
286 | LIST_ENTRY(if_addr) entry; | |
287 | int af; | |
288 | union ldpd_addr addr; | |
289 | uint8_t prefixlen; | |
290 | union ldpd_addr dstbrd; | |
291 | }; | |
292 | LIST_HEAD(if_addr_head, if_addr); | |
293 | ||
294 | struct iface_af { | |
295 | struct iface *iface; | |
296 | int af; | |
297 | int enabled; | |
298 | int state; | |
299 | struct ia_adj_head adj_tree; | |
300 | time_t uptime; | |
301 | struct thread *hello_timer; | |
302 | uint16_t hello_holdtime; | |
303 | uint16_t hello_interval; | |
304 | }; | |
305 | ||
306 | struct iface { | |
307 | RB_ENTRY(iface) entry; | |
308 | char name[IF_NAMESIZE]; | |
309 | unsigned int ifindex; | |
310 | struct if_addr_head addr_list; | |
311 | struct in6_addr linklocal; | |
312 | enum iface_type type; | |
313 | int operative; | |
314 | struct iface_af ipv4; | |
315 | struct iface_af ipv6; | |
316 | QOBJ_FIELDS | |
317 | }; | |
318 | RB_HEAD(iface_head, iface); | |
319 | RB_PROTOTYPE(iface_head, iface, entry, iface_compare); | |
320 | DECLARE_QOBJ_TYPE(iface) | |
321 | ||
322 | /* source of targeted hellos */ | |
323 | struct tnbr { | |
324 | RB_ENTRY(tnbr) entry; | |
325 | struct thread *hello_timer; | |
326 | struct adj *adj; | |
327 | int af; | |
328 | union ldpd_addr addr; | |
329 | int state; | |
330 | uint16_t pw_count; | |
331 | uint8_t flags; | |
332 | QOBJ_FIELDS | |
333 | }; | |
334 | RB_HEAD(tnbr_head, tnbr); | |
335 | RB_PROTOTYPE(tnbr_head, tnbr, entry, tnbr_compare); | |
336 | DECLARE_QOBJ_TYPE(tnbr) | |
337 | #define F_TNBR_CONFIGURED 0x01 | |
338 | #define F_TNBR_DYNAMIC 0x02 | |
339 | ||
340 | enum auth_method { | |
341 | AUTH_NONE, | |
342 | AUTH_MD5SIG | |
343 | }; | |
344 | ||
345 | /* neighbor specific parameters */ | |
346 | struct nbr_params { | |
347 | RB_ENTRY(nbr_params) entry; | |
348 | struct in_addr lsr_id; | |
349 | uint16_t keepalive; | |
350 | int gtsm_enabled; | |
351 | uint8_t gtsm_hops; | |
352 | struct { | |
353 | enum auth_method method; | |
354 | char md5key[TCP_MD5_KEY_LEN]; | |
355 | uint8_t md5key_len; | |
356 | } auth; | |
357 | uint8_t flags; | |
358 | QOBJ_FIELDS | |
359 | }; | |
360 | RB_HEAD(nbrp_head, nbr_params); | |
361 | RB_PROTOTYPE(nbrp_head, nbr_params, entry, nbr_params_compare); | |
362 | DECLARE_QOBJ_TYPE(nbr_params) | |
363 | #define F_NBRP_KEEPALIVE 0x01 | |
364 | #define F_NBRP_GTSM 0x02 | |
365 | #define F_NBRP_GTSM_HOPS 0x04 | |
366 | ||
367 | struct ldp_stats { | |
368 | uint32_t kalive_sent; | |
369 | uint32_t kalive_rcvd; | |
370 | uint32_t addr_sent; | |
371 | uint32_t addr_rcvd; | |
372 | uint32_t addrwdraw_sent; | |
373 | uint32_t addrwdraw_rcvd; | |
374 | uint32_t notif_sent; | |
375 | uint32_t notif_rcvd; | |
376 | uint32_t capability_sent; | |
377 | uint32_t capability_rcvd; | |
378 | uint32_t labelmap_sent; | |
379 | uint32_t labelmap_rcvd; | |
380 | uint32_t labelreq_sent; | |
381 | uint32_t labelreq_rcvd; | |
382 | uint32_t labelwdraw_sent; | |
383 | uint32_t labelwdraw_rcvd; | |
384 | uint32_t labelrel_sent; | |
385 | uint32_t labelrel_rcvd; | |
386 | uint32_t labelabreq_sent; | |
387 | uint32_t labelabreq_rcvd; | |
388 | }; | |
389 | ||
390 | struct l2vpn_if { | |
391 | RB_ENTRY(l2vpn_if) entry; | |
392 | struct l2vpn *l2vpn; | |
393 | char ifname[IF_NAMESIZE]; | |
394 | unsigned int ifindex; | |
395 | int operative; | |
396 | uint8_t mac[ETH_ALEN]; | |
397 | QOBJ_FIELDS | |
398 | }; | |
399 | RB_HEAD(l2vpn_if_head, l2vpn_if); | |
400 | RB_PROTOTYPE(l2vpn_if_head, l2vpn_if, entry, l2vpn_if_compare); | |
401 | DECLARE_QOBJ_TYPE(l2vpn_if) | |
402 | ||
403 | struct l2vpn_pw { | |
404 | RB_ENTRY(l2vpn_pw) entry; | |
405 | struct l2vpn *l2vpn; | |
406 | struct in_addr lsr_id; | |
407 | int af; | |
408 | union ldpd_addr addr; | |
409 | uint32_t pwid; | |
410 | char ifname[IF_NAMESIZE]; | |
411 | unsigned int ifindex; | |
412 | bool enabled; | |
413 | uint32_t remote_group; | |
414 | uint16_t remote_mtu; | |
415 | uint32_t local_status; | |
416 | uint32_t remote_status; | |
417 | uint8_t flags; | |
418 | QOBJ_FIELDS | |
419 | }; | |
420 | RB_HEAD(l2vpn_pw_head, l2vpn_pw); | |
421 | RB_PROTOTYPE(l2vpn_pw_head, l2vpn_pw, entry, l2vpn_pw_compare); | |
422 | DECLARE_QOBJ_TYPE(l2vpn_pw) | |
423 | #define F_PW_STATUSTLV_CONF 0x01 /* status tlv configured */ | |
424 | #define F_PW_STATUSTLV 0x02 /* status tlv negotiated */ | |
425 | #define F_PW_CWORD_CONF 0x04 /* control word configured */ | |
426 | #define F_PW_CWORD 0x08 /* control word negotiated */ | |
427 | #define F_PW_STATIC_NBR_ADDR 0x10 /* static neighbor address configured */ | |
428 | ||
429 | struct l2vpn { | |
430 | RB_ENTRY(l2vpn) entry; | |
431 | char name[L2VPN_NAME_LEN]; | |
432 | int type; | |
433 | int pw_type; | |
434 | int mtu; | |
435 | char br_ifname[IF_NAMESIZE]; | |
436 | unsigned int br_ifindex; | |
437 | struct l2vpn_if_head if_tree; | |
438 | struct l2vpn_pw_head pw_tree; | |
439 | struct l2vpn_pw_head pw_inactive_tree; | |
440 | QOBJ_FIELDS | |
441 | }; | |
442 | RB_HEAD(l2vpn_head, l2vpn); | |
443 | RB_PROTOTYPE(l2vpn_head, l2vpn, entry, l2vpn_compare); | |
444 | DECLARE_QOBJ_TYPE(l2vpn) | |
445 | #define L2VPN_TYPE_VPWS 1 | |
446 | #define L2VPN_TYPE_VPLS 2 | |
447 | ||
448 | /* ldp_conf */ | |
449 | enum ldpd_process { | |
450 | PROC_MAIN, | |
451 | PROC_LDP_ENGINE, | |
452 | PROC_LDE_ENGINE | |
453 | } ldpd_process; | |
454 | ||
455 | static const char * const log_procnames[] = { | |
456 | "parent", | |
457 | "ldpe", | |
458 | "lde" | |
459 | }; | |
460 | ||
461 | enum socket_type { | |
462 | LDP_SOCKET_DISC, | |
463 | LDP_SOCKET_EDISC, | |
464 | LDP_SOCKET_SESSION | |
465 | }; | |
466 | ||
467 | enum hello_type { | |
468 | HELLO_LINK, | |
469 | HELLO_TARGETED | |
470 | }; | |
471 | ||
472 | struct ldpd_af_conf { | |
473 | uint16_t keepalive; | |
474 | uint16_t lhello_holdtime; | |
475 | uint16_t lhello_interval; | |
476 | uint16_t thello_holdtime; | |
477 | uint16_t thello_interval; | |
478 | union ldpd_addr trans_addr; | |
479 | char acl_thello_accept_from[ACL_NAMSIZ]; | |
480 | char acl_label_allocate_for[ACL_NAMSIZ]; | |
481 | char acl_label_advertise_to[ACL_NAMSIZ]; | |
482 | char acl_label_advertise_for[ACL_NAMSIZ]; | |
483 | char acl_label_expnull_for[ACL_NAMSIZ]; | |
484 | char acl_label_accept_from[ACL_NAMSIZ]; | |
485 | char acl_label_accept_for[ACL_NAMSIZ]; | |
486 | int flags; | |
487 | }; | |
488 | #define F_LDPD_AF_ENABLED 0x0001 | |
489 | #define F_LDPD_AF_THELLO_ACCEPT 0x0002 | |
490 | #define F_LDPD_AF_EXPNULL 0x0004 | |
491 | #define F_LDPD_AF_NO_GTSM 0x0008 | |
492 | #define F_LDPD_AF_ALLOCHOSTONLY 0x0010 | |
493 | ||
494 | struct ldpd_conf { | |
495 | struct in_addr rtr_id; | |
496 | struct ldpd_af_conf ipv4; | |
497 | struct ldpd_af_conf ipv6; | |
498 | struct iface_head iface_tree; | |
499 | struct tnbr_head tnbr_tree; | |
500 | struct nbrp_head nbrp_tree; | |
501 | struct l2vpn_head l2vpn_tree; | |
502 | uint16_t lhello_holdtime; | |
503 | uint16_t lhello_interval; | |
504 | uint16_t thello_holdtime; | |
505 | uint16_t thello_interval; | |
506 | uint16_t trans_pref; | |
507 | int flags; | |
508 | QOBJ_FIELDS | |
509 | }; | |
510 | DECLARE_QOBJ_TYPE(ldpd_conf) | |
511 | #define F_LDPD_NO_FIB_UPDATE 0x0001 | |
512 | #define F_LDPD_DS_CISCO_INTEROP 0x0002 | |
513 | #define F_LDPD_ENABLED 0x0004 | |
514 | ||
515 | struct ldpd_af_global { | |
516 | struct thread *disc_ev; | |
517 | struct thread *edisc_ev; | |
518 | int ldp_disc_socket; | |
519 | int ldp_edisc_socket; | |
520 | int ldp_session_socket; | |
521 | }; | |
522 | ||
523 | struct ldpd_global { | |
524 | int cmd_opts; | |
525 | struct in_addr rtr_id; | |
526 | struct ldpd_af_global ipv4; | |
527 | struct ldpd_af_global ipv6; | |
528 | uint32_t conf_seqnum; | |
529 | int pfkeysock; | |
530 | struct if_addr_head addr_list; | |
531 | struct global_adj_head adj_tree; | |
532 | struct in_addr mcast_addr_v4; | |
533 | struct in6_addr mcast_addr_v6; | |
534 | TAILQ_HEAD(, pending_conn) pending_conns; | |
535 | }; | |
536 | ||
537 | /* kroute */ | |
538 | struct kroute { | |
539 | int af; | |
540 | union ldpd_addr prefix; | |
541 | uint8_t prefixlen; | |
542 | union ldpd_addr nexthop; | |
543 | uint32_t local_label; | |
544 | uint32_t remote_label; | |
545 | unsigned short ifindex; | |
546 | uint8_t route_type; | |
547 | uint8_t route_instance; | |
548 | uint16_t flags; | |
549 | }; | |
550 | ||
551 | struct kaddr { | |
552 | char ifname[IF_NAMESIZE]; | |
553 | unsigned short ifindex; | |
554 | int af; | |
555 | union ldpd_addr addr; | |
556 | uint8_t prefixlen; | |
557 | union ldpd_addr dstbrd; | |
558 | }; | |
559 | ||
560 | struct kif { | |
561 | char ifname[IF_NAMESIZE]; | |
562 | unsigned short ifindex; | |
563 | int flags; | |
564 | int operative; | |
565 | uint8_t mac[ETH_ALEN]; | |
566 | int mtu; | |
567 | }; | |
568 | ||
569 | struct acl_check { | |
570 | char acl[ACL_NAMSIZ]; | |
571 | int af; | |
572 | union ldpd_addr addr; | |
573 | uint8_t prefixlen; | |
574 | }; | |
575 | ||
576 | /* control data structures */ | |
577 | struct ctl_iface { | |
578 | int af; | |
579 | char name[IF_NAMESIZE]; | |
580 | unsigned int ifindex; | |
581 | int state; | |
582 | enum iface_type type; | |
583 | uint16_t hello_holdtime; | |
584 | uint16_t hello_interval; | |
585 | time_t uptime; | |
586 | uint16_t adj_cnt; | |
587 | }; | |
588 | ||
589 | struct ctl_disc_if { | |
590 | char name[IF_NAMESIZE]; | |
591 | int active_v4; | |
592 | int active_v6; | |
593 | int no_adj; | |
594 | }; | |
595 | ||
596 | struct ctl_disc_tnbr { | |
597 | int af; | |
598 | union ldpd_addr addr; | |
599 | int no_adj; | |
600 | }; | |
601 | ||
602 | struct ctl_adj { | |
603 | int af; | |
604 | struct in_addr id; | |
605 | enum hello_type type; | |
606 | char ifname[IF_NAMESIZE]; | |
607 | union ldpd_addr src_addr; | |
608 | uint16_t holdtime; | |
609 | uint16_t holdtime_remaining; | |
610 | union ldpd_addr trans_addr; | |
611 | int ds_tlv; | |
612 | }; | |
613 | ||
614 | struct ctl_nbr { | |
615 | int af; | |
616 | struct in_addr id; | |
617 | union ldpd_addr laddr; | |
618 | in_port_t lport; | |
619 | union ldpd_addr raddr; | |
620 | in_port_t rport; | |
621 | enum auth_method auth_method; | |
622 | uint16_t holdtime; | |
623 | time_t uptime; | |
624 | int nbr_state; | |
625 | struct ldp_stats stats; | |
626 | int flags; | |
627 | }; | |
628 | ||
629 | struct ctl_rt { | |
630 | int af; | |
631 | union ldpd_addr prefix; | |
632 | uint8_t prefixlen; | |
633 | struct in_addr nexthop; /* lsr-id */ | |
634 | uint32_t local_label; | |
635 | uint32_t remote_label; | |
636 | uint8_t flags; | |
637 | uint8_t in_use; | |
638 | int no_downstream; | |
639 | }; | |
640 | ||
641 | struct ctl_pw { | |
642 | uint16_t type; | |
643 | char l2vpn_name[L2VPN_NAME_LEN]; | |
644 | char ifname[IF_NAMESIZE]; | |
645 | uint32_t pwid; | |
646 | struct in_addr lsr_id; | |
647 | uint32_t local_label; | |
648 | uint32_t local_gid; | |
649 | uint16_t local_ifmtu; | |
650 | uint8_t local_cword; | |
651 | uint32_t remote_label; | |
652 | uint32_t remote_gid; | |
653 | uint16_t remote_ifmtu; | |
654 | uint8_t remote_cword; | |
655 | uint32_t status; | |
656 | }; | |
657 | ||
658 | extern struct ldpd_conf *ldpd_conf, *vty_conf; | |
659 | extern struct ldpd_global global; | |
660 | extern struct ldpd_init init; | |
661 | ||
662 | /* parse.y */ | |
663 | struct ldpd_conf *parse_config(char *); | |
664 | int cmdline_symset(char *); | |
665 | ||
666 | /* kroute.c */ | |
667 | void pw2zpw(struct l2vpn_pw *, struct zapi_pw *); | |
668 | void kif_redistribute(const char *); | |
669 | int kr_change(struct kroute *); | |
670 | int kr_delete(struct kroute *); | |
671 | int kmpw_add(struct zapi_pw *); | |
672 | int kmpw_del(struct zapi_pw *); | |
673 | int kmpw_set(struct zapi_pw *); | |
674 | int kmpw_unset(struct zapi_pw *); | |
675 | ||
676 | /* util.c */ | |
677 | uint8_t mask2prefixlen(in_addr_t); | |
678 | uint8_t mask2prefixlen6(struct sockaddr_in6 *); | |
679 | in_addr_t prefixlen2mask(uint8_t); | |
680 | struct in6_addr *prefixlen2mask6(uint8_t); | |
681 | void ldp_applymask(int, union ldpd_addr *, | |
682 | const union ldpd_addr *, int); | |
683 | int ldp_addrcmp(int, const union ldpd_addr *, | |
684 | const union ldpd_addr *); | |
685 | int ldp_addrisset(int, const union ldpd_addr *); | |
686 | int ldp_prefixcmp(int, const union ldpd_addr *, | |
687 | const union ldpd_addr *, uint8_t); | |
688 | int bad_addr_v4(struct in_addr); | |
689 | int bad_addr_v6(struct in6_addr *); | |
690 | int bad_addr(int, union ldpd_addr *); | |
691 | void embedscope(struct sockaddr_in6 *); | |
692 | void recoverscope(struct sockaddr_in6 *); | |
693 | void addscope(struct sockaddr_in6 *, uint32_t); | |
694 | void clearscope(struct in6_addr *); | |
695 | void addr2sa(int af, const union ldpd_addr *, uint16_t, | |
696 | union sockunion *su); | |
697 | void sa2addr(struct sockaddr *, int *, union ldpd_addr *, | |
698 | in_port_t *); | |
699 | socklen_t sockaddr_len(struct sockaddr *); | |
700 | ||
701 | /* ldpd.c */ | |
702 | int ldp_write_handler(struct thread *); | |
703 | void main_imsg_compose_ldpe(int, pid_t, void *, uint16_t); | |
704 | void main_imsg_compose_lde(int, pid_t, void *, uint16_t); | |
705 | int main_imsg_compose_both(enum imsg_type, void *, | |
706 | uint16_t); | |
707 | void imsg_event_add(struct imsgev *); | |
708 | int imsg_compose_event(struct imsgev *, uint16_t, uint32_t, | |
709 | pid_t, int, void *, uint16_t); | |
710 | void evbuf_enqueue(struct evbuf *, struct ibuf *); | |
711 | void evbuf_event_add(struct evbuf *); | |
712 | void evbuf_init(struct evbuf *, int, | |
713 | int (*)(struct thread *), void *); | |
714 | void evbuf_clear(struct evbuf *); | |
715 | int ldp_acl_request(struct imsgev *, char *, int, | |
716 | union ldpd_addr *, uint8_t); | |
717 | void ldp_acl_reply(struct imsgev *, struct acl_check *); | |
718 | struct ldpd_af_conf *ldp_af_conf_get(struct ldpd_conf *, int); | |
719 | struct ldpd_af_global *ldp_af_global_get(struct ldpd_global *, int); | |
720 | int ldp_is_dual_stack(struct ldpd_conf *); | |
721 | in_addr_t ldp_rtr_id_get(struct ldpd_conf *); | |
722 | int ldp_config_apply(struct vty *, struct ldpd_conf *); | |
723 | void ldp_clear_config(struct ldpd_conf *); | |
724 | void merge_config(struct ldpd_conf *, struct ldpd_conf *); | |
725 | struct ldpd_conf *config_new_empty(void); | |
726 | void config_clear(struct ldpd_conf *); | |
727 | ||
728 | /* ldp_vty_conf.c */ | |
729 | /* NOTE: the parameters' names should be preserved because of codegen */ | |
730 | struct iface *iface_new_api(struct ldpd_conf *conf, | |
731 | const char *name); | |
732 | void iface_del_api(struct ldpd_conf *conf, | |
733 | struct iface *iface); | |
734 | struct tnbr *tnbr_new_api(struct ldpd_conf *conf, int af, | |
735 | union ldpd_addr *addr); | |
736 | void tnbr_del_api(struct ldpd_conf *conf, struct tnbr *tnbr); | |
737 | struct nbr_params *nbrp_new_api(struct ldpd_conf *conf, | |
738 | struct in_addr lsr_id); | |
739 | void nbrp_del_api(struct ldpd_conf *conf, | |
740 | struct nbr_params *nbrp); | |
741 | struct l2vpn *l2vpn_new_api(struct ldpd_conf *conf, const char *name); | |
742 | void l2vpn_del_api(struct ldpd_conf *conf, | |
743 | struct l2vpn *l2vpn); | |
744 | struct l2vpn_if *l2vpn_if_new_api(struct ldpd_conf *conf, | |
745 | struct l2vpn *l2vpn, const char *ifname); | |
746 | void l2vpn_if_del_api(struct l2vpn *l2vpn, | |
747 | struct l2vpn_if *lif); | |
748 | struct l2vpn_pw *l2vpn_pw_new_api(struct ldpd_conf *conf, | |
749 | struct l2vpn *l2vpn, const char *ifname); | |
750 | void l2vpn_pw_del_api(struct l2vpn *l2vpn, | |
751 | struct l2vpn_pw *pw); | |
752 | ||
753 | /* socket.c */ | |
754 | int ldp_create_socket(int, enum socket_type); | |
755 | void sock_set_nonblock(int); | |
756 | void sock_set_cloexec(int); | |
757 | void sock_set_recvbuf(int); | |
758 | int sock_set_reuse(int, int); | |
759 | int sock_set_bindany(int, int); | |
760 | int sock_set_md5sig(int, int, union ldpd_addr *, const char *); | |
761 | int sock_set_ipv4_tos(int, int); | |
762 | int sock_set_ipv4_pktinfo(int, int); | |
763 | int sock_set_ipv4_recvdstaddr(int, int); | |
764 | int sock_set_ipv4_recvif(int, int); | |
765 | int sock_set_ipv4_minttl(int, int); | |
766 | int sock_set_ipv4_ucast_ttl(int fd, int); | |
767 | int sock_set_ipv4_mcast_ttl(int, uint8_t); | |
768 | int sock_set_ipv4_mcast(struct iface *); | |
769 | int sock_set_ipv4_mcast_loop(int); | |
770 | int sock_set_ipv6_dscp(int, int); | |
771 | int sock_set_ipv6_pktinfo(int, int); | |
772 | int sock_set_ipv6_minhopcount(int, int); | |
773 | int sock_set_ipv6_ucast_hops(int, int); | |
774 | int sock_set_ipv6_mcast_hops(int, int); | |
775 | int sock_set_ipv6_mcast(struct iface *); | |
776 | int sock_set_ipv6_mcast_loop(int); | |
777 | ||
778 | /* logmsg.h */ | |
779 | struct in6_addr; | |
780 | union ldpd_addr; | |
781 | struct hello_source; | |
782 | struct fec; | |
783 | ||
784 | const char *log_sockaddr(void *); | |
785 | const char *log_in6addr(const struct in6_addr *); | |
786 | const char *log_in6addr_scope(const struct in6_addr *, unsigned int); | |
787 | const char *log_addr(int, const union ldpd_addr *); | |
788 | char *log_label(uint32_t); | |
789 | const char *log_time(time_t); | |
790 | char *log_hello_src(const struct hello_source *); | |
791 | const char *log_map(const struct map *); | |
792 | const char *log_fec(const struct fec *); | |
793 | const char *af_name(int); | |
794 | const char *socket_name(int); | |
795 | const char *nbr_state_name(int); | |
796 | const char *if_state_name(int); | |
797 | const char *if_type_name(enum iface_type); | |
798 | const char *msg_name(uint16_t); | |
799 | const char *status_code_name(uint32_t); | |
800 | const char *pw_type_name(uint16_t); | |
801 | ||
802 | /* quagga */ | |
803 | extern struct thread_master *master; | |
804 | extern char ctl_sock_path[MAXPATHLEN]; | |
805 | ||
806 | /* ldp_zebra.c */ | |
807 | void ldp_zebra_init(struct thread_master *); | |
808 | void ldp_zebra_destroy(void); | |
809 | ||
810 | /* compatibility */ | |
811 | #ifndef __OpenBSD__ | |
812 | #define __IPV6_ADDR_MC_SCOPE(a) ((a)->s6_addr[1] & 0x0f) | |
813 | #define __IPV6_ADDR_SCOPE_INTFACELOCAL 0x01 | |
814 | #define IN6_IS_ADDR_MC_INTFACELOCAL(a) \ | |
815 | (IN6_IS_ADDR_MULTICAST(a) && \ | |
816 | (__IPV6_ADDR_MC_SCOPE(a) == __IPV6_ADDR_SCOPE_INTFACELOCAL)) | |
817 | #endif | |
818 | ||
819 | #endif /* _LDPD_H_ */ |