1 | /* $NetBSD: remoteconf.c,v 1.26 2011/03/14 15:50:36 vanhu Exp $ */ |
---|
2 | |
---|
3 | /* Id: remoteconf.c,v 1.38 2006/05/06 15:52:44 manubsd Exp */ |
---|
4 | |
---|
5 | /* |
---|
6 | * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project. |
---|
7 | * All rights reserved. |
---|
8 | * |
---|
9 | * Redistribution and use in source and binary forms, with or without |
---|
10 | * modification, are permitted provided that the following conditions |
---|
11 | * are met: |
---|
12 | * 1. Redistributions of source code must retain the above copyright |
---|
13 | * notice, this list of conditions and the following disclaimer. |
---|
14 | * 2. Redistributions in binary form must reproduce the above copyright |
---|
15 | * notice, this list of conditions and the following disclaimer in the |
---|
16 | * documentation and/or other materials provided with the distribution. |
---|
17 | * 3. Neither the name of the project nor the names of its contributors |
---|
18 | * may be used to endorse or promote products derived from this software |
---|
19 | * without specific prior written permission. |
---|
20 | * |
---|
21 | * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND |
---|
22 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
---|
23 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
---|
24 | * ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE |
---|
25 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
---|
26 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
---|
27 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
---|
28 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
---|
29 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
---|
30 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
---|
31 | * SUCH DAMAGE. |
---|
32 | */ |
---|
33 | |
---|
34 | #include "config.h" |
---|
35 | |
---|
36 | #include <sys/types.h> |
---|
37 | #include <sys/param.h> |
---|
38 | #include <sys/socket.h> |
---|
39 | #include <sys/queue.h> |
---|
40 | |
---|
41 | #include <netinet/in.h> |
---|
42 | #include <netinet/in_systm.h> |
---|
43 | #include <netinet/ip.h> |
---|
44 | |
---|
45 | #include PATH_IPSEC_H |
---|
46 | |
---|
47 | #include <stdlib.h> |
---|
48 | #include <stdio.h> |
---|
49 | #include <string.h> |
---|
50 | #include <errno.h> |
---|
51 | |
---|
52 | #include "var.h" |
---|
53 | #include "misc.h" |
---|
54 | #include "vmbuf.h" |
---|
55 | #include "plog.h" |
---|
56 | #include "sockmisc.h" |
---|
57 | #include "genlist.h" |
---|
58 | #include "debug.h" |
---|
59 | |
---|
60 | #include "isakmp_var.h" |
---|
61 | #ifdef ENABLE_HYBRID |
---|
62 | #include "isakmp_xauth.h" |
---|
63 | #endif |
---|
64 | #include "isakmp.h" |
---|
65 | #include "ipsec_doi.h" |
---|
66 | #include "crypto_openssl.h" |
---|
67 | #include "oakley.h" |
---|
68 | #include "remoteconf.h" |
---|
69 | #include "localconf.h" |
---|
70 | #include "grabmyaddr.h" |
---|
71 | #include "policy.h" |
---|
72 | #include "proposal.h" |
---|
73 | #include "vendorid.h" |
---|
74 | #include "gcmalloc.h" |
---|
75 | #include "strnames.h" |
---|
76 | #include "algorithm.h" |
---|
77 | #include "nattraversal.h" |
---|
78 | #include "isakmp_frag.h" |
---|
79 | #include "handler.h" |
---|
80 | #include "genlist.h" |
---|
81 | #include "rsalist.h" |
---|
82 | |
---|
83 | typedef TAILQ_HEAD(_rmtree, remoteconf) remoteconf_tailq_head_t; |
---|
84 | static remoteconf_tailq_head_t rmtree, rmtree_save; |
---|
85 | |
---|
86 | /* |
---|
87 | * Script hook names and script hook paths |
---|
88 | */ |
---|
89 | char *script_names[SCRIPT_MAX + 1] = { |
---|
90 | "phase1_up", "phase1_down", "phase1_dead" }; |
---|
91 | |
---|
92 | /*%%%*/ |
---|
93 | |
---|
94 | int |
---|
95 | rmconf_match_identity(rmconf, id_p) |
---|
96 | struct remoteconf *rmconf; |
---|
97 | vchar_t *id_p; |
---|
98 | { |
---|
99 | struct ipsecdoi_id_b *id_b = (struct ipsecdoi_id_b *) id_p->v; |
---|
100 | struct sockaddr *sa; |
---|
101 | caddr_t sa1, sa2; |
---|
102 | vchar_t ident; |
---|
103 | struct idspec *id; |
---|
104 | struct genlist_entry *gpb; |
---|
105 | |
---|
106 | /* compare with the ID if specified. */ |
---|
107 | if (!genlist_next(rmconf->idvl_p, 0)) |
---|
108 | return 0; |
---|
109 | |
---|
110 | for (id = genlist_next(rmconf->idvl_p, &gpb); id; id = genlist_next(0, &gpb)) { |
---|
111 | /* No ID specified in configuration, so it is ok */ |
---|
112 | if (id->id == 0) |
---|
113 | return 0; |
---|
114 | |
---|
115 | /* check the type of both IDs */ |
---|
116 | if (id->idtype != doi2idtype(id_b->type)) |
---|
117 | continue; /* ID type mismatch */ |
---|
118 | |
---|
119 | /* compare defined ID with the ID sent by peer. */ |
---|
120 | switch (id->idtype) { |
---|
121 | case IDTYPE_ASN1DN: |
---|
122 | ident.v = id_p->v + sizeof(*id_b); |
---|
123 | ident.l = id_p->l - sizeof(*id_b); |
---|
124 | if (eay_cmp_asn1dn(id->id, &ident) == 0) |
---|
125 | return 0; |
---|
126 | break; |
---|
127 | case IDTYPE_ADDRESS: |
---|
128 | sa = (struct sockaddr *)id->id->v; |
---|
129 | sa2 = (caddr_t)(id_b + 1); |
---|
130 | switch (sa->sa_family) { |
---|
131 | case AF_INET: |
---|
132 | if (id_p->l - sizeof(*id_b) != sizeof(struct in_addr)) |
---|
133 | continue; /* ID value mismatch */ |
---|
134 | sa1 = (caddr_t) &((struct sockaddr_in *)sa)->sin_addr; |
---|
135 | if (memcmp(sa1, sa2, sizeof(struct in_addr)) == 0) |
---|
136 | return 0; |
---|
137 | break; |
---|
138 | #ifdef INET6 |
---|
139 | case AF_INET6: |
---|
140 | if (id_p->l - sizeof(*id_b) != sizeof(struct in6_addr)) |
---|
141 | continue; /* ID value mismatch */ |
---|
142 | sa1 = (caddr_t) &((struct sockaddr_in6 *)sa)->sin6_addr; |
---|
143 | if (memcmp(sa1, sa2, sizeof(struct in6_addr)) == 0) |
---|
144 | return 0; |
---|
145 | break; |
---|
146 | #endif |
---|
147 | default: |
---|
148 | break; |
---|
149 | } |
---|
150 | break; |
---|
151 | default: |
---|
152 | if (memcmp(id->id->v, id_b + 1, id->id->l) == 0) |
---|
153 | return 0; |
---|
154 | break; |
---|
155 | } |
---|
156 | } |
---|
157 | |
---|
158 | plog(LLV_WARNING, LOCATION, NULL, "No ID match.\n"); |
---|
159 | if (rmconf->verify_identifier) |
---|
160 | return ISAKMP_NTYPE_INVALID_ID_INFORMATION; |
---|
161 | |
---|
162 | return 0; |
---|
163 | } |
---|
164 | |
---|
165 | static int |
---|
166 | rmconf_match_etype_and_approval(rmconf, etype, approval) |
---|
167 | struct remoteconf *rmconf; |
---|
168 | int etype; |
---|
169 | struct isakmpsa *approval; |
---|
170 | { |
---|
171 | struct isakmpsa *p; |
---|
172 | |
---|
173 | if (check_etypeok(rmconf, (void *) (intptr_t) etype) == 0) |
---|
174 | return ISAKMP_NTYPE_NO_PROPOSAL_CHOSEN; |
---|
175 | |
---|
176 | if (approval == NULL) |
---|
177 | return 0; |
---|
178 | |
---|
179 | if (etype == ISAKMP_ETYPE_AGG && |
---|
180 | approval->dh_group != rmconf->dh_group) |
---|
181 | return ISAKMP_NTYPE_NO_PROPOSAL_CHOSEN; |
---|
182 | |
---|
183 | if (checkisakmpsa(rmconf->pcheck_level, approval, |
---|
184 | rmconf->proposal) == NULL) |
---|
185 | return ISAKMP_NTYPE_NO_PROPOSAL_CHOSEN; |
---|
186 | |
---|
187 | return 0; |
---|
188 | } |
---|
189 | |
---|
190 | enum rmconf_match_t { |
---|
191 | MATCH_NONE = 0, |
---|
192 | MATCH_BASIC = 0x0000001, |
---|
193 | MATCH_ADDRESS = 0x0000002, |
---|
194 | MATCH_SA = 0x0000004, |
---|
195 | MATCH_IDENTITY = 0x0000008, |
---|
196 | MATCH_AUTH_IDENTITY = 0x0000010, |
---|
197 | }; |
---|
198 | |
---|
199 | static int |
---|
200 | rmconf_match_type(rmsel, rmconf) |
---|
201 | struct rmconfselector *rmsel; |
---|
202 | struct remoteconf *rmconf; |
---|
203 | { |
---|
204 | int ret = MATCH_NONE, tmp; |
---|
205 | |
---|
206 | /* No match at all: unwanted anonymous */ |
---|
207 | if ((rmsel->flags & GETRMCONF_F_NO_ANONYMOUS) && |
---|
208 | rmconf->remote->sa_family == AF_UNSPEC){ |
---|
209 | plog(LLV_DEBUG2, LOCATION, rmsel->remote, |
---|
210 | "Not matched: Anonymous conf.\n"); |
---|
211 | return MATCH_NONE; |
---|
212 | } |
---|
213 | |
---|
214 | if ((rmsel->flags & GETRMCONF_F_NO_PASSIVE) && rmconf->passive){ |
---|
215 | plog(LLV_DEBUG2, LOCATION, rmsel->remote, |
---|
216 | "Not matched: passive conf.\n"); |
---|
217 | return MATCH_NONE; |
---|
218 | } |
---|
219 | |
---|
220 | ret |= MATCH_BASIC; |
---|
221 | |
---|
222 | /* Check address */ |
---|
223 | if (rmsel->remote != NULL) { |
---|
224 | if (rmconf->remote->sa_family != AF_UNSPEC) { |
---|
225 | if (cmpsaddr(rmsel->remote, rmconf->remote) == CMPSADDR_MISMATCH){ |
---|
226 | plog(LLV_DEBUG2, LOCATION, rmsel->remote, |
---|
227 | "Not matched: address mismatch.\n"); |
---|
228 | return MATCH_NONE; |
---|
229 | } |
---|
230 | |
---|
231 | /* Address matched */ |
---|
232 | ret |= MATCH_ADDRESS; |
---|
233 | } |
---|
234 | } |
---|
235 | |
---|
236 | /* Check etype and approval */ |
---|
237 | if (rmsel->etype != ISAKMP_ETYPE_NONE) { |
---|
238 | tmp=rmconf_match_etype_and_approval(rmconf, rmsel->etype, |
---|
239 | rmsel->approval); |
---|
240 | if (tmp != 0){ |
---|
241 | plog(LLV_DEBUG2, LOCATION, rmsel->remote, |
---|
242 | "Not matched: etype (%d)/approval mismatch (%d).\n", rmsel->etype, tmp); |
---|
243 | return MATCH_NONE; |
---|
244 | } |
---|
245 | ret |= MATCH_SA; |
---|
246 | } |
---|
247 | |
---|
248 | /* Check identity */ |
---|
249 | if (rmsel->identity != NULL && rmconf->verify_identifier) { |
---|
250 | if (rmconf_match_identity(rmconf, rmsel->identity) != 0){ |
---|
251 | plog(LLV_DEBUG2, LOCATION, rmsel->remote, |
---|
252 | "Not matched: identity mismatch.\n"); |
---|
253 | return MATCH_NONE; |
---|
254 | } |
---|
255 | ret |= MATCH_IDENTITY; |
---|
256 | } |
---|
257 | |
---|
258 | /* Check certificate request */ |
---|
259 | if (rmsel->certificate_request != NULL) { |
---|
260 | if (oakley_get_certtype(rmsel->certificate_request) != |
---|
261 | oakley_get_certtype(rmconf->mycert)){ |
---|
262 | plog(LLV_DEBUG2, LOCATION, rmsel->remote, |
---|
263 | "Not matched: cert type mismatch.\n"); |
---|
264 | return MATCH_NONE; |
---|
265 | } |
---|
266 | |
---|
267 | if (rmsel->certificate_request->l > 1) { |
---|
268 | vchar_t *issuer; |
---|
269 | |
---|
270 | issuer = eay_get_x509asn1issuername(rmconf->mycert); |
---|
271 | if (rmsel->certificate_request->l - 1 != issuer->l || |
---|
272 | memcmp(rmsel->certificate_request->v + 1, |
---|
273 | issuer->v, issuer->l) != 0) { |
---|
274 | vfree(issuer); |
---|
275 | plog(LLV_DEBUG2, LOCATION, rmsel->remote, |
---|
276 | "Not matched: cert issuer mismatch.\n"); |
---|
277 | return MATCH_NONE; |
---|
278 | } |
---|
279 | vfree(issuer); |
---|
280 | } else { |
---|
281 | if (!rmconf->match_empty_cr){ |
---|
282 | plog(LLV_DEBUG2, LOCATION, rmsel->remote, |
---|
283 | "Not matched: empty certificate request.\n"); |
---|
284 | return MATCH_NONE; |
---|
285 | } |
---|
286 | } |
---|
287 | |
---|
288 | ret |= MATCH_AUTH_IDENTITY; |
---|
289 | } |
---|
290 | |
---|
291 | return ret; |
---|
292 | } |
---|
293 | |
---|
294 | void rmconf_selector_from_ph1(rmsel, iph1) |
---|
295 | struct rmconfselector *rmsel; |
---|
296 | struct ph1handle *iph1; |
---|
297 | { |
---|
298 | memset(rmsel, 0, sizeof(*rmsel)); |
---|
299 | rmsel->flags = 0; |
---|
300 | rmsel->remote = iph1->remote; |
---|
301 | rmsel->etype = iph1->etype; |
---|
302 | rmsel->approval = iph1->approval; |
---|
303 | rmsel->identity = iph1->id_p; |
---|
304 | rmsel->certificate_request = iph1->cr_p; |
---|
305 | } |
---|
306 | |
---|
307 | int |
---|
308 | enumrmconf(rmsel, enum_func, enum_arg) |
---|
309 | struct rmconfselector *rmsel; |
---|
310 | int (* enum_func)(struct remoteconf *rmconf, void *arg); |
---|
311 | void *enum_arg; |
---|
312 | { |
---|
313 | struct remoteconf *p; |
---|
314 | int ret = 0; |
---|
315 | |
---|
316 | RACOON_TAILQ_FOREACH_REVERSE(p, &rmtree, _rmtree, chain) { |
---|
317 | plog(LLV_DEBUG2, LOCATION, rmsel->remote, |
---|
318 | "Checking remote conf \"%s\" %s.\n", p->name, |
---|
319 | p->remote->sa_family == AF_UNSPEC ? |
---|
320 | "anonymous" : saddr2str(p->remote)); |
---|
321 | |
---|
322 | if (rmsel != NULL) { |
---|
323 | if (rmconf_match_type(rmsel, p) == MATCH_NONE){ |
---|
324 | plog(LLV_DEBUG2, LOCATION, rmsel->remote, |
---|
325 | "Not matched.\n"); |
---|
326 | continue; |
---|
327 | } |
---|
328 | } |
---|
329 | |
---|
330 | plog(LLV_DEBUG2, LOCATION, NULL, |
---|
331 | "enumrmconf: \"%s\" matches.\n", p->name); |
---|
332 | |
---|
333 | ret = (*enum_func)(p, enum_arg); |
---|
334 | if (ret) |
---|
335 | break; |
---|
336 | } |
---|
337 | |
---|
338 | return ret; |
---|
339 | } |
---|
340 | |
---|
341 | struct rmconf_find_context { |
---|
342 | struct rmconfselector sel; |
---|
343 | |
---|
344 | struct remoteconf *rmconf; |
---|
345 | int match_type; |
---|
346 | int num_found; |
---|
347 | }; |
---|
348 | |
---|
349 | static int |
---|
350 | rmconf_find(rmconf, ctx) |
---|
351 | struct remoteconf *rmconf; |
---|
352 | void *ctx; |
---|
353 | { |
---|
354 | struct rmconf_find_context *fctx = (struct rmconf_find_context *) ctx; |
---|
355 | int match_type; |
---|
356 | |
---|
357 | /* First matching remote conf? */ |
---|
358 | match_type = rmconf_match_type(&fctx->sel, rmconf); |
---|
359 | |
---|
360 | if (fctx->rmconf != NULL) { |
---|
361 | /* More ambiguous matches are ignored. */ |
---|
362 | if (match_type < fctx->match_type) |
---|
363 | return 0; |
---|
364 | |
---|
365 | if (match_type == fctx->match_type) { |
---|
366 | /* Ambiguous match */ |
---|
367 | fctx->num_found++; |
---|
368 | return 0; |
---|
369 | } |
---|
370 | } |
---|
371 | |
---|
372 | /* More exact match found */ |
---|
373 | fctx->match_type = match_type; |
---|
374 | fctx->num_found = 1; |
---|
375 | fctx->rmconf = rmconf; |
---|
376 | |
---|
377 | return 0; |
---|
378 | } |
---|
379 | |
---|
380 | /* |
---|
381 | * search remote configuration. |
---|
382 | * don't use port number to search if its value is either IPSEC_PORT_ANY. |
---|
383 | * If matching anonymous entry, then new entry is copied from anonymous entry. |
---|
384 | * If no anonymous entry found, then return NULL. |
---|
385 | * OUT: NULL: NG |
---|
386 | * Other: remote configuration entry. |
---|
387 | */ |
---|
388 | |
---|
389 | struct remoteconf * |
---|
390 | getrmconf(remote, flags) |
---|
391 | struct sockaddr *remote; |
---|
392 | int flags; |
---|
393 | { |
---|
394 | struct rmconf_find_context ctx; |
---|
395 | int n = 0; |
---|
396 | |
---|
397 | memset(&ctx, 0, sizeof(ctx)); |
---|
398 | ctx.sel.flags = flags; |
---|
399 | ctx.sel.remote = remote; |
---|
400 | |
---|
401 | if (enumrmconf(&ctx.sel, rmconf_find, &ctx) != 0) { |
---|
402 | plog(LLV_ERROR, LOCATION, remote, |
---|
403 | "multiple exact configurations.\n"); |
---|
404 | return NULL; |
---|
405 | } |
---|
406 | |
---|
407 | if (ctx.rmconf == NULL) { |
---|
408 | plog(LLV_DEBUG, LOCATION, remote, |
---|
409 | "no remote configuration found.\n"); |
---|
410 | return NULL; |
---|
411 | } |
---|
412 | |
---|
413 | if (ctx.num_found != 1) { |
---|
414 | plog(LLV_DEBUG, LOCATION, remote, |
---|
415 | "multiple non-exact configurations found.\n"); |
---|
416 | return NULL; |
---|
417 | } |
---|
418 | |
---|
419 | plog(LLV_DEBUG, LOCATION, remote, |
---|
420 | "configuration \"%s\" selected.\n", |
---|
421 | ctx.rmconf->name); |
---|
422 | |
---|
423 | return ctx.rmconf; |
---|
424 | } |
---|
425 | |
---|
426 | struct remoteconf * |
---|
427 | getrmconf_by_ph1(iph1) |
---|
428 | struct ph1handle *iph1; |
---|
429 | { |
---|
430 | struct rmconf_find_context ctx; |
---|
431 | |
---|
432 | memset(&ctx, 0, sizeof(ctx)); |
---|
433 | rmconf_selector_from_ph1(&ctx.sel, iph1); |
---|
434 | if (loglevel >= LLV_DEBUG) { |
---|
435 | char *idstr = NULL; |
---|
436 | |
---|
437 | if (iph1->id_p != NULL) |
---|
438 | idstr = ipsecdoi_id2str(iph1->id_p); |
---|
439 | |
---|
440 | plog(LLV_DEBUG, LOCATION, iph1->remote, |
---|
441 | "getrmconf_by_ph1: remote %s, identity %s.\n", |
---|
442 | saddr2str(iph1->remote), idstr ? idstr : "<any>"); |
---|
443 | |
---|
444 | if (idstr) |
---|
445 | racoon_free(idstr); |
---|
446 | } |
---|
447 | |
---|
448 | if (enumrmconf(&ctx.sel, rmconf_find, &ctx) != 0) { |
---|
449 | plog(LLV_ERROR, LOCATION, iph1->remote, |
---|
450 | "multiple exact configurations.\n"); |
---|
451 | return RMCONF_ERR_MULTIPLE; |
---|
452 | } |
---|
453 | |
---|
454 | if (ctx.rmconf == NULL) { |
---|
455 | plog(LLV_DEBUG, LOCATION, iph1->remote, |
---|
456 | "no remote configuration found\n"); |
---|
457 | return NULL; |
---|
458 | } |
---|
459 | |
---|
460 | if (ctx.num_found != 1) { |
---|
461 | plog(LLV_DEBUG, LOCATION, iph1->remote, |
---|
462 | "multiple non-exact configurations found.\n"); |
---|
463 | return RMCONF_ERR_MULTIPLE; |
---|
464 | } |
---|
465 | |
---|
466 | plog(LLV_DEBUG, LOCATION, iph1->remote, |
---|
467 | "configuration \"%s\" selected.\n", |
---|
468 | ctx.rmconf->name); |
---|
469 | |
---|
470 | return ctx.rmconf; |
---|
471 | } |
---|
472 | |
---|
473 | struct remoteconf * |
---|
474 | getrmconf_by_name(name) |
---|
475 | const char *name; |
---|
476 | { |
---|
477 | struct remoteconf *p; |
---|
478 | |
---|
479 | plog(LLV_DEBUG, LOCATION, NULL, |
---|
480 | "getrmconf_by_name: remote \"%s\".\n", |
---|
481 | name); |
---|
482 | |
---|
483 | RACOON_TAILQ_FOREACH_REVERSE(p, &rmtree, _rmtree, chain) { |
---|
484 | if (p->name == NULL) |
---|
485 | continue; |
---|
486 | |
---|
487 | if (strcmp(name, p->name) == 0) |
---|
488 | return p; |
---|
489 | } |
---|
490 | |
---|
491 | return NULL; |
---|
492 | } |
---|
493 | |
---|
494 | struct remoteconf * |
---|
495 | newrmconf() |
---|
496 | { |
---|
497 | struct remoteconf *new; |
---|
498 | int i; |
---|
499 | |
---|
500 | new = racoon_calloc(1, sizeof(*new)); |
---|
501 | if (new == NULL) |
---|
502 | return NULL; |
---|
503 | |
---|
504 | new->proposal = NULL; |
---|
505 | |
---|
506 | /* set default */ |
---|
507 | new->doitype = IPSEC_DOI; |
---|
508 | new->sittype = IPSECDOI_SIT_IDENTITY_ONLY; |
---|
509 | new->idvtype = IDTYPE_UNDEFINED; |
---|
510 | new->idvl_p = genlist_init(); |
---|
511 | new->nonce_size = DEFAULT_NONCE_SIZE; |
---|
512 | new->passive = FALSE; |
---|
513 | new->ike_frag = FALSE; |
---|
514 | new->esp_frag = IP_MAXPACKET; |
---|
515 | new->ini_contact = TRUE; |
---|
516 | new->mode_cfg = FALSE; |
---|
517 | new->pcheck_level = PROP_CHECK_STRICT; |
---|
518 | new->verify_identifier = FALSE; |
---|
519 | new->verify_cert = TRUE; |
---|
520 | new->cacertfile = NULL; |
---|
521 | new->send_cert = TRUE; |
---|
522 | new->send_cr = TRUE; |
---|
523 | new->match_empty_cr = FALSE; |
---|
524 | new->support_proxy = FALSE; |
---|
525 | for (i = 0; i <= SCRIPT_MAX; i++) |
---|
526 | new->script[i] = NULL; |
---|
527 | new->gen_policy = FALSE; |
---|
528 | new->nat_traversal = FALSE; |
---|
529 | new->rsa_private = genlist_init(); |
---|
530 | new->rsa_public = genlist_init(); |
---|
531 | new->idv = NULL; |
---|
532 | new->key = NULL; |
---|
533 | |
---|
534 | new->dpd = TRUE; /* Enable DPD support by default */ |
---|
535 | new->dpd_interval = 0; /* Disable DPD checks by default */ |
---|
536 | new->dpd_retry = 5; |
---|
537 | new->dpd_maxfails = 5; |
---|
538 | |
---|
539 | new->rekey = REKEY_ON; |
---|
540 | |
---|
541 | new->weak_phase1_check = 0; |
---|
542 | |
---|
543 | #ifdef ENABLE_HYBRID |
---|
544 | new->xauth = NULL; |
---|
545 | #endif |
---|
546 | |
---|
547 | new->lifetime = oakley_get_defaultlifetime(); |
---|
548 | |
---|
549 | return new; |
---|
550 | } |
---|
551 | |
---|
552 | void * |
---|
553 | dupidvl(entry, arg) |
---|
554 | void *entry; |
---|
555 | void *arg; |
---|
556 | { |
---|
557 | struct idspec *id; |
---|
558 | struct idspec *old = (struct idspec *) entry; |
---|
559 | id = newidspec(); |
---|
560 | if (!id) return (void *) -1; |
---|
561 | |
---|
562 | if (set_identifier(&id->id, old->idtype, old->id) != 0) { |
---|
563 | racoon_free(id); |
---|
564 | return (void *) -1; |
---|
565 | } |
---|
566 | |
---|
567 | id->idtype = old->idtype; |
---|
568 | |
---|
569 | genlist_append(arg, id); |
---|
570 | return NULL; |
---|
571 | } |
---|
572 | |
---|
573 | void * |
---|
574 | duprsa(entry, arg) |
---|
575 | void *entry; |
---|
576 | void *arg; |
---|
577 | { |
---|
578 | struct rsa_key *new; |
---|
579 | |
---|
580 | new = rsa_key_dup((struct rsa_key *)entry); |
---|
581 | if (new == NULL) |
---|
582 | return (void *) -1; |
---|
583 | genlist_append(arg, new); |
---|
584 | |
---|
585 | /* keep genlist_foreach going */ |
---|
586 | return NULL; |
---|
587 | } |
---|
588 | |
---|
589 | /* Creates shallow copy of a remote config. Used for "inherit" keyword. */ |
---|
590 | struct remoteconf * |
---|
591 | duprmconf_shallow (rmconf) |
---|
592 | struct remoteconf *rmconf; |
---|
593 | { |
---|
594 | struct remoteconf *new; |
---|
595 | struct proposalspec *prspec; |
---|
596 | |
---|
597 | new = racoon_calloc(1, sizeof(*new)); |
---|
598 | if (new == NULL) |
---|
599 | return NULL; |
---|
600 | |
---|
601 | memcpy(new, rmconf, sizeof(*new)); |
---|
602 | new->name = NULL; |
---|
603 | new->inherited_from = rmconf; |
---|
604 | |
---|
605 | new->proposal = NULL; /* will be filled by set_isakmp_proposal() */ |
---|
606 | |
---|
607 | return new; |
---|
608 | } |
---|
609 | |
---|
610 | /* Copies pointer structures of an inherited remote config. |
---|
611 | * Used by "inherit" mechanism in a two step copy method, necessary to |
---|
612 | * prevent both double free() and memory leak during config reload. |
---|
613 | */ |
---|
614 | int |
---|
615 | duprmconf_finish (new) |
---|
616 | struct remoteconf *new; |
---|
617 | { |
---|
618 | struct remoteconf *rmconf; |
---|
619 | int i; |
---|
620 | |
---|
621 | if (new->inherited_from == NULL) |
---|
622 | return 0; /* nothing todo, no inheritance */ |
---|
623 | |
---|
624 | rmconf = new->inherited_from; |
---|
625 | |
---|
626 | /* duplicate dynamic structures unless value overridden */ |
---|
627 | if (new->etypes != NULL && new->etypes == rmconf->etypes) |
---|
628 | new->etypes = dupetypes(new->etypes); |
---|
629 | if (new->idvl_p == rmconf->idvl_p) { |
---|
630 | new->idvl_p = genlist_init(); |
---|
631 | genlist_foreach(rmconf->idvl_p, dupidvl, new->idvl_p); |
---|
632 | } |
---|
633 | |
---|
634 | if (new->rsa_private == rmconf->rsa_private) { |
---|
635 | new->rsa_private = genlist_init(); |
---|
636 | genlist_foreach(rmconf->rsa_private, duprsa, new->rsa_private); |
---|
637 | } |
---|
638 | if (new->rsa_public == rmconf->rsa_public) { |
---|
639 | new->rsa_public = genlist_init(); |
---|
640 | genlist_foreach(rmconf->rsa_public, duprsa, new->rsa_public); |
---|
641 | } |
---|
642 | if (new->remote != NULL && new->remote == rmconf->remote) { |
---|
643 | new->remote = racoon_malloc(sizeof(*new->remote)); |
---|
644 | if (new->remote == NULL) { |
---|
645 | plog(LLV_ERROR, LOCATION, NULL, |
---|
646 | "duprmconf_finish: malloc failed (remote)\n"); |
---|
647 | exit(1); |
---|
648 | } |
---|
649 | memcpy(new->remote, rmconf->remote, sizeof(*new->remote)); |
---|
650 | } |
---|
651 | if (new->spspec != NULL && new->spspec == rmconf->spspec) { |
---|
652 | dupspspec_list(new, rmconf); |
---|
653 | } |
---|
654 | |
---|
655 | /* proposal has been deep copied already from spspec's, see |
---|
656 | * cfparse.y:set_isakmp_proposal, which in turn calls |
---|
657 | * cfparse.y:expand_isakmpspec where the copying happens. |
---|
658 | */ |
---|
659 | |
---|
660 | #ifdef ENABLE_HYBRID |
---|
661 | if (new->xauth != NULL && new->xauth == rmconf->xauth) { |
---|
662 | new->xauth = xauth_rmconf_dup(new->xauth); |
---|
663 | if (new->xauth == NULL) |
---|
664 | exit(1); |
---|
665 | } |
---|
666 | #endif |
---|
667 | |
---|
668 | /* duplicate strings unless value overridden */ |
---|
669 | if (new->mycertfile != NULL && new->mycertfile == rmconf->mycertfile) { |
---|
670 | new->mycertfile = racoon_strdup(new->mycertfile); |
---|
671 | STRDUP_FATAL(new->mycertfile); |
---|
672 | } |
---|
673 | if (new->myprivfile != NULL && new->myprivfile == rmconf->myprivfile) { |
---|
674 | new->myprivfile = racoon_strdup(new->myprivfile); |
---|
675 | STRDUP_FATAL(new->myprivfile); |
---|
676 | } |
---|
677 | if (new->peerscertfile != NULL && new->peerscertfile == rmconf->peerscertfile) { |
---|
678 | new->peerscertfile = racoon_strdup(new->peerscertfile); |
---|
679 | STRDUP_FATAL(new->peerscertfile); |
---|
680 | } |
---|
681 | if (new->cacertfile != NULL && new->cacertfile == rmconf->cacertfile) { |
---|
682 | new->cacertfile = racoon_strdup(new->cacertfile); |
---|
683 | STRDUP_FATAL(new->cacertfile); |
---|
684 | } |
---|
685 | if (new->idv != NULL && new->idv == rmconf->idv) { |
---|
686 | new->idv = vdup(new->idv); |
---|
687 | STRDUP_FATAL(new->idv); |
---|
688 | } |
---|
689 | if (new->key != NULL && new->key == rmconf->key) { |
---|
690 | new->key = vdup(new->key); |
---|
691 | STRDUP_FATAL(new->key); |
---|
692 | } |
---|
693 | if (new->mycert != NULL && new->mycert == rmconf->mycert) { |
---|
694 | new->mycert = vdup(new->mycert); |
---|
695 | STRDUP_FATAL(new->mycert); |
---|
696 | } |
---|
697 | if (new->peerscert != NULL && new->peerscert == rmconf->peerscert) { |
---|
698 | new->peerscert = vdup(new->peerscert); |
---|
699 | STRDUP_FATAL(new->peerscert); |
---|
700 | } |
---|
701 | if (new->cacert != NULL && new->cacert == rmconf->cacert) { |
---|
702 | new->cacert = vdup(new->cacert); |
---|
703 | STRDUP_FATAL(new->cacert); |
---|
704 | } |
---|
705 | for (i = 0; i <= SCRIPT_MAX; i++) |
---|
706 | if (new->script[i] != NULL && new->script[i] == rmconf->script[i]) { |
---|
707 | new->script[i] = vdup(new->script[i]); |
---|
708 | STRDUP_FATAL(new->script[i]); |
---|
709 | } |
---|
710 | |
---|
711 | return 0; |
---|
712 | } |
---|
713 | |
---|
714 | static void |
---|
715 | idspec_free(void *data) |
---|
716 | { |
---|
717 | vfree (((struct idspec *)data)->id); |
---|
718 | free (data); |
---|
719 | } |
---|
720 | |
---|
721 | void |
---|
722 | delrmconf(rmconf) |
---|
723 | struct remoteconf *rmconf; |
---|
724 | { |
---|
725 | int i; |
---|
726 | |
---|
727 | #ifdef ENABLE_HYBRID |
---|
728 | if (rmconf->xauth) |
---|
729 | xauth_rmconf_delete(&rmconf->xauth); |
---|
730 | #endif |
---|
731 | if (rmconf->etypes){ |
---|
732 | deletypes(rmconf->etypes); |
---|
733 | rmconf->etypes=NULL; |
---|
734 | } |
---|
735 | if (rmconf->idv) |
---|
736 | vfree(rmconf->idv); |
---|
737 | if (rmconf->key) |
---|
738 | vfree(rmconf->key); |
---|
739 | if (rmconf->idvl_p) |
---|
740 | genlist_free(rmconf->idvl_p, idspec_free); |
---|
741 | if (rmconf->dhgrp) |
---|
742 | oakley_dhgrp_free(rmconf->dhgrp); |
---|
743 | if (rmconf->proposal) |
---|
744 | delisakmpsa(rmconf->proposal); |
---|
745 | flushspspec(rmconf); |
---|
746 | if (rmconf->mycert) |
---|
747 | vfree(rmconf->mycert); |
---|
748 | if (rmconf->mycertfile) |
---|
749 | racoon_free(rmconf->mycertfile); |
---|
750 | if (rmconf->myprivfile) |
---|
751 | racoon_free(rmconf->myprivfile); |
---|
752 | if (rmconf->peerscert) |
---|
753 | vfree(rmconf->peerscert); |
---|
754 | if (rmconf->peerscertfile) |
---|
755 | racoon_free(rmconf->peerscertfile); |
---|
756 | if (rmconf->cacert) |
---|
757 | vfree(rmconf->cacert); |
---|
758 | if (rmconf->cacertfile) |
---|
759 | racoon_free(rmconf->cacertfile); |
---|
760 | if (rmconf->rsa_private) |
---|
761 | genlist_free(rmconf->rsa_private, rsa_key_free); |
---|
762 | if (rmconf->rsa_public) |
---|
763 | genlist_free(rmconf->rsa_public, rsa_key_free); |
---|
764 | if (rmconf->name) |
---|
765 | racoon_free(rmconf->name); |
---|
766 | if (rmconf->remote) |
---|
767 | racoon_free(rmconf->remote); |
---|
768 | for (i = 0; i <= SCRIPT_MAX; i++) |
---|
769 | if (rmconf->script[i]) |
---|
770 | vfree(rmconf->script[i]); |
---|
771 | |
---|
772 | racoon_free(rmconf); |
---|
773 | } |
---|
774 | |
---|
775 | void |
---|
776 | delisakmpsa(sa) |
---|
777 | struct isakmpsa *sa; |
---|
778 | { |
---|
779 | if (sa->dhgrp) |
---|
780 | oakley_dhgrp_free(sa->dhgrp); |
---|
781 | if (sa->next) |
---|
782 | delisakmpsa(sa->next); |
---|
783 | #ifdef HAVE_GSSAPI |
---|
784 | if (sa->gssid) |
---|
785 | vfree(sa->gssid); |
---|
786 | #endif |
---|
787 | racoon_free(sa); |
---|
788 | } |
---|
789 | |
---|
790 | struct etypes * |
---|
791 | dupetypes(orig) |
---|
792 | struct etypes *orig; |
---|
793 | { |
---|
794 | struct etypes *new; |
---|
795 | |
---|
796 | if (!orig) |
---|
797 | return NULL; |
---|
798 | |
---|
799 | new = racoon_malloc(sizeof(struct etypes)); |
---|
800 | if (new == NULL) |
---|
801 | return NULL; |
---|
802 | |
---|
803 | new->type = orig->type; |
---|
804 | new->next = NULL; |
---|
805 | |
---|
806 | if (orig->next) |
---|
807 | new->next=dupetypes(orig->next); |
---|
808 | |
---|
809 | return new; |
---|
810 | } |
---|
811 | |
---|
812 | void |
---|
813 | deletypes(e) |
---|
814 | struct etypes *e; |
---|
815 | { |
---|
816 | if (e->next) |
---|
817 | deletypes(e->next); |
---|
818 | racoon_free(e); |
---|
819 | } |
---|
820 | |
---|
821 | /* |
---|
822 | * insert into head of list. |
---|
823 | */ |
---|
824 | void |
---|
825 | insrmconf(new) |
---|
826 | struct remoteconf *new; |
---|
827 | { |
---|
828 | if (new->name == NULL) { |
---|
829 | new->name = racoon_strdup(saddr2str(new->remote)); |
---|
830 | } |
---|
831 | if (new->remote == NULL) { |
---|
832 | new->remote = newsaddr(sizeof(struct sockaddr)); |
---|
833 | new->remote->sa_family = AF_UNSPEC; |
---|
834 | } |
---|
835 | |
---|
836 | TAILQ_INSERT_HEAD(&rmtree, new, chain); |
---|
837 | } |
---|
838 | |
---|
839 | void |
---|
840 | remrmconf(rmconf) |
---|
841 | struct remoteconf *rmconf; |
---|
842 | { |
---|
843 | TAILQ_REMOVE(&rmtree, rmconf, chain); |
---|
844 | } |
---|
845 | |
---|
846 | void |
---|
847 | flushrmconf() |
---|
848 | { |
---|
849 | struct remoteconf *p, *next; |
---|
850 | |
---|
851 | for (p = TAILQ_FIRST(&rmtree); p; p = next) { |
---|
852 | next = TAILQ_NEXT(p, chain); |
---|
853 | remrmconf(p); |
---|
854 | delrmconf(p); |
---|
855 | } |
---|
856 | } |
---|
857 | |
---|
858 | void |
---|
859 | initrmconf() |
---|
860 | { |
---|
861 | TAILQ_INIT(&rmtree); |
---|
862 | } |
---|
863 | |
---|
864 | void |
---|
865 | rmconf_start_reload() |
---|
866 | { |
---|
867 | rmtree_save=rmtree; |
---|
868 | initrmconf(); |
---|
869 | } |
---|
870 | |
---|
871 | void |
---|
872 | rmconf_finish_reload() |
---|
873 | { |
---|
874 | remoteconf_tailq_head_t rmtree_tmp; |
---|
875 | |
---|
876 | rmtree_tmp=rmtree; |
---|
877 | rmtree=rmtree_save; |
---|
878 | flushrmconf(); |
---|
879 | initrmconf(); |
---|
880 | rmtree=rmtree_tmp; |
---|
881 | } |
---|
882 | |
---|
883 | |
---|
884 | |
---|
885 | /* check exchange type to be acceptable */ |
---|
886 | int |
---|
887 | check_etypeok(rmconf, ctx) |
---|
888 | struct remoteconf *rmconf; |
---|
889 | void *ctx; |
---|
890 | { |
---|
891 | u_int8_t etype = (u_int8_t) (intptr_t) ctx; |
---|
892 | struct etypes *e; |
---|
893 | |
---|
894 | for (e = rmconf->etypes; e != NULL; e = e->next) { |
---|
895 | if (e->type == etype) |
---|
896 | return 1; |
---|
897 | plog(LLV_DEBUG2, LOCATION, NULL, |
---|
898 | "Etype mismatch: got %d, expected %d.\n", e->type, etype); |
---|
899 | } |
---|
900 | |
---|
901 | return 0; |
---|
902 | } |
---|
903 | |
---|
904 | /*%%%*/ |
---|
905 | struct isakmpsa * |
---|
906 | newisakmpsa() |
---|
907 | { |
---|
908 | struct isakmpsa *new; |
---|
909 | |
---|
910 | new = racoon_calloc(1, sizeof(*new)); |
---|
911 | if (new == NULL) |
---|
912 | return NULL; |
---|
913 | |
---|
914 | /* |
---|
915 | * Just for sanity, make sure this is initialized. This is |
---|
916 | * filled in for real when the ISAKMP proposal is configured. |
---|
917 | */ |
---|
918 | new->vendorid = VENDORID_UNKNOWN; |
---|
919 | |
---|
920 | new->next = NULL; |
---|
921 | #ifdef HAVE_GSSAPI |
---|
922 | new->gssid = NULL; |
---|
923 | #endif |
---|
924 | |
---|
925 | return new; |
---|
926 | } |
---|
927 | |
---|
928 | /* |
---|
929 | * insert into tail of list. |
---|
930 | */ |
---|
931 | void |
---|
932 | insisakmpsa(new, rmconf) |
---|
933 | struct isakmpsa *new; |
---|
934 | struct remoteconf *rmconf; |
---|
935 | { |
---|
936 | struct isakmpsa *p; |
---|
937 | |
---|
938 | if (rmconf->proposal == NULL) { |
---|
939 | rmconf->proposal = new; |
---|
940 | return; |
---|
941 | } |
---|
942 | |
---|
943 | for (p = rmconf->proposal; p->next != NULL; p = p->next) |
---|
944 | ; |
---|
945 | p->next = new; |
---|
946 | } |
---|
947 | |
---|
948 | static void * |
---|
949 | dump_peers_identifiers (void *entry, void *arg) |
---|
950 | { |
---|
951 | struct idspec *id = (struct idspec*) entry; |
---|
952 | char buf[1024], *pbuf; |
---|
953 | pbuf = buf; |
---|
954 | pbuf += sprintf (pbuf, "\tpeers_identifier %s", |
---|
955 | s_idtype (id->idtype)); |
---|
956 | if (id->id) |
---|
957 | pbuf += sprintf (pbuf, " \"%s\"", id->id->v); |
---|
958 | plog(LLV_INFO, LOCATION, NULL, "%s;\n", buf); |
---|
959 | return NULL; |
---|
960 | } |
---|
961 | |
---|
962 | static int |
---|
963 | dump_rmconf_single (struct remoteconf *p, void *data) |
---|
964 | { |
---|
965 | struct etypes *etype = p->etypes; |
---|
966 | struct isakmpsa *prop = p->proposal; |
---|
967 | char buf[1024], *pbuf; |
---|
968 | |
---|
969 | pbuf = buf; |
---|
970 | |
---|
971 | pbuf += sprintf(pbuf, "remote \"%s\"", p->name); |
---|
972 | if (p->inherited_from) |
---|
973 | pbuf += sprintf(pbuf, " inherit \"%s\"", |
---|
974 | p->inherited_from->name); |
---|
975 | plog(LLV_INFO, LOCATION, NULL, "%s {\n", buf); |
---|
976 | pbuf = buf; |
---|
977 | pbuf += sprintf(pbuf, "\texchange_type "); |
---|
978 | while (etype) { |
---|
979 | pbuf += sprintf (pbuf, "%s%s", s_etype(etype->type), |
---|
980 | etype->next != NULL ? ", " : ";\n"); |
---|
981 | etype = etype->next; |
---|
982 | } |
---|
983 | plog(LLV_INFO, LOCATION, NULL, "%s", buf); |
---|
984 | plog(LLV_INFO, LOCATION, NULL, "\tdoi %s;\n", s_doi(p->doitype)); |
---|
985 | pbuf = buf; |
---|
986 | pbuf += sprintf(pbuf, "\tmy_identifier %s", s_idtype (p->idvtype)); |
---|
987 | if (p->idvtype == IDTYPE_ASN1DN) { |
---|
988 | plog(LLV_INFO, LOCATION, NULL, "%s;\n", buf); |
---|
989 | plog(LLV_INFO, LOCATION, NULL, |
---|
990 | "\tcertificate_type %s \"%s\" \"%s\";\n", |
---|
991 | oakley_get_certtype(p->mycert) == ISAKMP_CERT_X509SIGN |
---|
992 | ? "x509" : "*UNKNOWN*", |
---|
993 | p->mycertfile, p->myprivfile); |
---|
994 | |
---|
995 | switch (oakley_get_certtype(p->peerscert)) { |
---|
996 | case ISAKMP_CERT_NONE: |
---|
997 | plog(LLV_INFO, LOCATION, NULL, |
---|
998 | "\t/* peers certificate from payload */\n"); |
---|
999 | break; |
---|
1000 | case ISAKMP_CERT_X509SIGN: |
---|
1001 | plog(LLV_INFO, LOCATION, NULL, |
---|
1002 | "\tpeers_certfile \"%s\";\n", p->peerscertfile); |
---|
1003 | break; |
---|
1004 | case ISAKMP_CERT_DNS: |
---|
1005 | plog(LLV_INFO, LOCATION, NULL, |
---|
1006 | "\tpeers_certfile dnssec;\n"); |
---|
1007 | break; |
---|
1008 | default: |
---|
1009 | plog(LLV_INFO, LOCATION, NULL, |
---|
1010 | "\tpeers_certfile *UNKNOWN* (%d)\n", |
---|
1011 | oakley_get_certtype(p->peerscert)); |
---|
1012 | break; |
---|
1013 | } |
---|
1014 | } |
---|
1015 | else { |
---|
1016 | if (p->idv) |
---|
1017 | pbuf += sprintf (pbuf, " \"%s\"", p->idv->v); |
---|
1018 | plog(LLV_INFO, LOCATION, NULL, "%s;\n", buf); |
---|
1019 | genlist_foreach(p->idvl_p, &dump_peers_identifiers, NULL); |
---|
1020 | } |
---|
1021 | |
---|
1022 | plog(LLV_INFO, LOCATION, NULL, "\trekey %s;\n", |
---|
1023 | p->rekey == REKEY_FORCE ? "force" : s_switch (p->rekey)); |
---|
1024 | plog(LLV_INFO, LOCATION, NULL, "\tsend_cert %s;\n", |
---|
1025 | s_switch (p->send_cert)); |
---|
1026 | plog(LLV_INFO, LOCATION, NULL, "\tsend_cr %s;\n", |
---|
1027 | s_switch (p->send_cr)); |
---|
1028 | plog(LLV_INFO, LOCATION, NULL, "\tmatch_empty_cr %s;\n", |
---|
1029 | s_switch (p->match_empty_cr)); |
---|
1030 | plog(LLV_INFO, LOCATION, NULL, "\tverify_cert %s;\n", |
---|
1031 | s_switch (p->verify_cert)); |
---|
1032 | plog(LLV_INFO, LOCATION, NULL, "\tverify_identifier %s;\n", |
---|
1033 | s_switch (p->verify_identifier)); |
---|
1034 | plog(LLV_INFO, LOCATION, NULL, "\tnat_traversal %s;\n", |
---|
1035 | p->nat_traversal == NATT_FORCE ? |
---|
1036 | "force" : s_switch (p->nat_traversal)); |
---|
1037 | plog(LLV_INFO, LOCATION, NULL, "\tnonce_size %d;\n", |
---|
1038 | p->nonce_size); |
---|
1039 | plog(LLV_INFO, LOCATION, NULL, "\tpassive %s;\n", |
---|
1040 | s_switch (p->passive)); |
---|
1041 | plog(LLV_INFO, LOCATION, NULL, "\tike_frag %s;\n", |
---|
1042 | p->ike_frag == ISAKMP_FRAG_FORCE ? |
---|
1043 | "force" : s_switch (p->ike_frag)); |
---|
1044 | plog(LLV_INFO, LOCATION, NULL, "\tesp_frag %d;\n", p->esp_frag); |
---|
1045 | plog(LLV_INFO, LOCATION, NULL, "\tinitial_contact %s;\n", |
---|
1046 | s_switch (p->ini_contact)); |
---|
1047 | plog(LLV_INFO, LOCATION, NULL, "\tgenerate_policy %s;\n", |
---|
1048 | s_switch (p->gen_policy)); |
---|
1049 | plog(LLV_INFO, LOCATION, NULL, "\tsupport_proxy %s;\n", |
---|
1050 | s_switch (p->support_proxy)); |
---|
1051 | |
---|
1052 | while (prop) { |
---|
1053 | plog(LLV_INFO, LOCATION, NULL, "\n"); |
---|
1054 | plog(LLV_INFO, LOCATION, NULL, |
---|
1055 | "\t/* prop_no=%d, trns_no=%d */\n", |
---|
1056 | prop->prop_no, prop->trns_no); |
---|
1057 | plog(LLV_INFO, LOCATION, NULL, "\tproposal {\n"); |
---|
1058 | plog(LLV_INFO, LOCATION, NULL, "\t\tlifetime time %lu sec;\n", |
---|
1059 | (long)prop->lifetime); |
---|
1060 | plog(LLV_INFO, LOCATION, NULL, "\t\tlifetime bytes %zd;\n", |
---|
1061 | prop->lifebyte); |
---|
1062 | plog(LLV_INFO, LOCATION, NULL, "\t\tdh_group %s;\n", |
---|
1063 | alg_oakley_dhdef_name(prop->dh_group)); |
---|
1064 | plog(LLV_INFO, LOCATION, NULL, "\t\tencryption_algorithm %s;\n", |
---|
1065 | alg_oakley_encdef_name(prop->enctype)); |
---|
1066 | plog(LLV_INFO, LOCATION, NULL, "\t\thash_algorithm %s;\n", |
---|
1067 | alg_oakley_hashdef_name(prop->hashtype)); |
---|
1068 | plog(LLV_INFO, LOCATION, NULL, "\t\tauthentication_method %s;\n", |
---|
1069 | alg_oakley_authdef_name(prop->authmethod)); |
---|
1070 | plog(LLV_INFO, LOCATION, NULL, "\t}\n"); |
---|
1071 | prop = prop->next; |
---|
1072 | } |
---|
1073 | plog(LLV_INFO, LOCATION, NULL, "}\n"); |
---|
1074 | plog(LLV_INFO, LOCATION, NULL, "\n"); |
---|
1075 | |
---|
1076 | return 0; |
---|
1077 | } |
---|
1078 | |
---|
1079 | void |
---|
1080 | dumprmconf() |
---|
1081 | { |
---|
1082 | enumrmconf(NULL, dump_rmconf_single, NULL); |
---|
1083 | } |
---|
1084 | |
---|
1085 | struct idspec * |
---|
1086 | newidspec() |
---|
1087 | { |
---|
1088 | struct idspec *new; |
---|
1089 | |
---|
1090 | new = racoon_calloc(1, sizeof(*new)); |
---|
1091 | if (new == NULL) |
---|
1092 | return NULL; |
---|
1093 | new->idtype = IDTYPE_ADDRESS; |
---|
1094 | |
---|
1095 | return new; |
---|
1096 | } |
---|
1097 | |
---|
1098 | vchar_t * |
---|
1099 | script_path_add(path) |
---|
1100 | vchar_t *path; |
---|
1101 | { |
---|
1102 | char *script_dir; |
---|
1103 | vchar_t *new_path; |
---|
1104 | vchar_t *new_storage; |
---|
1105 | vchar_t **sp; |
---|
1106 | size_t len; |
---|
1107 | size_t size; |
---|
1108 | |
---|
1109 | script_dir = lcconf->pathinfo[LC_PATHTYPE_SCRIPT]; |
---|
1110 | |
---|
1111 | /* Try to find the script in the script directory */ |
---|
1112 | if ((path->v[0] != '/') && (script_dir != NULL)) { |
---|
1113 | len = strlen(script_dir) + sizeof("/") + path->l + 1; |
---|
1114 | |
---|
1115 | if ((new_path = vmalloc(len)) == NULL) { |
---|
1116 | plog(LLV_ERROR, LOCATION, NULL, |
---|
1117 | "Cannot allocate memory: %s\n", strerror(errno)); |
---|
1118 | return NULL; |
---|
1119 | } |
---|
1120 | |
---|
1121 | new_path->v[0] = '\0'; |
---|
1122 | (void)strlcat(new_path->v, script_dir, len); |
---|
1123 | (void)strlcat(new_path->v, "/", len); |
---|
1124 | (void)strlcat(new_path->v, path->v, len); |
---|
1125 | |
---|
1126 | vfree(path); |
---|
1127 | path = new_path; |
---|
1128 | } |
---|
1129 | |
---|
1130 | return path; |
---|
1131 | } |
---|
1132 | |
---|
1133 | |
---|
1134 | struct isakmpsa * |
---|
1135 | dupisakmpsa(struct isakmpsa *sa) |
---|
1136 | { |
---|
1137 | struct isakmpsa *res = NULL; |
---|
1138 | |
---|
1139 | if(sa == NULL) |
---|
1140 | return NULL; |
---|
1141 | |
---|
1142 | res = newisakmpsa(); |
---|
1143 | if(res == NULL) |
---|
1144 | return NULL; |
---|
1145 | |
---|
1146 | *res = *sa; |
---|
1147 | #ifdef HAVE_GSSAPI |
---|
1148 | if (sa->gssid != NULL) |
---|
1149 | res->gssid = vdup(sa->gssid); |
---|
1150 | #endif |
---|
1151 | res->next = NULL; |
---|
1152 | |
---|
1153 | if(sa->dhgrp != NULL) |
---|
1154 | oakley_setdhgroup(sa->dh_group, &res->dhgrp); |
---|
1155 | |
---|
1156 | return res; |
---|
1157 | |
---|
1158 | } |
---|
1159 | |
---|
1160 | #ifdef ENABLE_HYBRID |
---|
1161 | int |
---|
1162 | isakmpsa_switch_authmethod(authmethod) |
---|
1163 | int authmethod; |
---|
1164 | { |
---|
1165 | switch(authmethod) { |
---|
1166 | case OAKLEY_ATTR_AUTH_METHOD_HYBRID_RSA_R: |
---|
1167 | authmethod = OAKLEY_ATTR_AUTH_METHOD_HYBRID_RSA_I; |
---|
1168 | break; |
---|
1169 | case OAKLEY_ATTR_AUTH_METHOD_HYBRID_DSS_R: |
---|
1170 | authmethod = OAKLEY_ATTR_AUTH_METHOD_HYBRID_DSS_I; |
---|
1171 | break; |
---|
1172 | case OAKLEY_ATTR_AUTH_METHOD_XAUTH_PSKEY_R: |
---|
1173 | authmethod = OAKLEY_ATTR_AUTH_METHOD_XAUTH_PSKEY_I; |
---|
1174 | break; |
---|
1175 | case OAKLEY_ATTR_AUTH_METHOD_XAUTH_RSASIG_R: |
---|
1176 | authmethod = OAKLEY_ATTR_AUTH_METHOD_XAUTH_RSASIG_I; |
---|
1177 | break; |
---|
1178 | case OAKLEY_ATTR_AUTH_METHOD_XAUTH_DSSSIG_R: |
---|
1179 | authmethod = OAKLEY_ATTR_AUTH_METHOD_XAUTH_DSSSIG_I; |
---|
1180 | break; |
---|
1181 | case OAKLEY_ATTR_AUTH_METHOD_XAUTH_RSAENC_R: |
---|
1182 | authmethod = OAKLEY_ATTR_AUTH_METHOD_XAUTH_RSAENC_I; |
---|
1183 | break; |
---|
1184 | case OAKLEY_ATTR_AUTH_METHOD_XAUTH_RSAREV_R: |
---|
1185 | authmethod = OAKLEY_ATTR_AUTH_METHOD_XAUTH_RSAREV_I; |
---|
1186 | break; |
---|
1187 | default: |
---|
1188 | break; |
---|
1189 | } |
---|
1190 | |
---|
1191 | return authmethod; |
---|
1192 | } |
---|
1193 | #endif |
---|
1194 | |
---|
1195 | /* |
---|
1196 | * Given a proposed ISAKMP SA, and a list of acceptable |
---|
1197 | * ISAKMP SAs, it compares using pcheck_level policy and |
---|
1198 | * returns first match (if any). |
---|
1199 | */ |
---|
1200 | struct isakmpsa * |
---|
1201 | checkisakmpsa(pcheck_level, proposal, acceptable) |
---|
1202 | int pcheck_level; |
---|
1203 | struct isakmpsa *proposal, *acceptable; |
---|
1204 | { |
---|
1205 | struct isakmpsa *p; |
---|
1206 | |
---|
1207 | for (p = acceptable; p != NULL; p = p->next){ |
---|
1208 | plog(LLV_DEBUG2, LOCATION, NULL, |
---|
1209 | "checkisakmpsa:\nauthmethod: %d / %d\n", |
---|
1210 | isakmpsa_switch_authmethod(proposal->authmethod), isakmpsa_switch_authmethod(p->authmethod)); |
---|
1211 | if (isakmpsa_switch_authmethod(proposal->authmethod) != isakmpsa_switch_authmethod(p->authmethod) || |
---|
1212 | proposal->enctype != p->enctype || |
---|
1213 | proposal->dh_group != p->dh_group || |
---|
1214 | proposal->hashtype != p->hashtype) |
---|
1215 | continue; |
---|
1216 | |
---|
1217 | switch (pcheck_level) { |
---|
1218 | case PROP_CHECK_OBEY: |
---|
1219 | break; |
---|
1220 | |
---|
1221 | case PROP_CHECK_CLAIM: |
---|
1222 | case PROP_CHECK_STRICT: |
---|
1223 | if (proposal->encklen < p->encklen || |
---|
1224 | #if 0 |
---|
1225 | proposal->lifebyte > p->lifebyte || |
---|
1226 | #endif |
---|
1227 | proposal->lifetime > p->lifetime) |
---|
1228 | continue; |
---|
1229 | break; |
---|
1230 | |
---|
1231 | case PROP_CHECK_EXACT: |
---|
1232 | if (proposal->encklen != p->encklen || |
---|
1233 | #if 0 |
---|
1234 | proposal->lifebyte != p->lifebyte || |
---|
1235 | #endif |
---|
1236 | proposal->lifetime != p->lifetime) |
---|
1237 | continue; |
---|
1238 | break; |
---|
1239 | |
---|
1240 | default: |
---|
1241 | continue; |
---|
1242 | } |
---|
1243 | |
---|
1244 | return p; |
---|
1245 | } |
---|
1246 | |
---|
1247 | return NULL; |
---|
1248 | } |
---|