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[apple/ipsec.git] / ipsec-tools / racoon / cfparse.y
1 /* $NetBSD: cfparse.y,v 1.18.4.3 2007/08/01 11:52:19 vanhu Exp $ */
2
3 /* Id: cfparse.y,v 1.66 2006/08/22 18:17:17 manubsd Exp */
4
5 %{
6 /*
7 * Copyright (C) 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002 and 2003 WIDE Project.
8 * All rights reserved.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in the
17 * documentation and/or other materials provided with the distribution.
18 * 3. Neither the name of the project nor the names of its contributors
19 * may be used to endorse or promote products derived from this software
20 * without specific prior written permission.
21 *
22 * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
23 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
25 * ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32 * SUCH DAMAGE.
33 */
34
35 #include "config.h"
36
37 #include <sys/types.h>
38 #include <sys/param.h>
39 #include <sys/queue.h>
40 #include <sys/socket.h>
41
42 #include <netinet/in.h>
43 #ifdef HAVE_NETINET6_IPSEC
44 # include <netinet6/ipsec.h>
45 #else
46 # include <netinet/ipsec.h>
47 #endif
48
49 #ifdef ENABLE_HYBRID
50 #include <arpa/inet.h>
51 #endif
52
53 #include <stdlib.h>
54 #include <stdio.h>
55 #include <string.h>
56 #include <errno.h>
57 #include <netdb.h>
58 #include <pwd.h>
59 #include <grp.h>
60 #include <signal.h>
61
62 #include "var.h"
63 #include "misc.h"
64 #include "vmbuf.h"
65 #include "plog.h"
66 #include "sockmisc.h"
67 #include "str2val.h"
68 #include "genlist.h"
69 #include "debug.h"
70
71 #include "cfparse_proto.h"
72 #include "cftoken_proto.h"
73 #include "algorithm.h"
74 #include "localconf.h"
75 #include "policy.h"
76 #include "sainfo.h"
77 #include "oakley.h"
78 #include "pfkey.h"
79 #include "remoteconf.h"
80 #include "grabmyaddr.h"
81 #include "isakmp_var.h"
82 #include "handler.h"
83 #include "isakmp.h"
84 #include "nattraversal.h"
85 #include "isakmp_frag.h"
86 #include "session.h"
87 #ifdef ENABLE_HYBRID
88 #include "resolv.h"
89 #include "isakmp_unity.h"
90 #include "isakmp_xauth.h"
91 #include "isakmp_cfg.h"
92 #endif
93 #include "ipsec_doi.h"
94 #include "strnames.h"
95 #include "gcmalloc.h"
96 #include "vendorid.h"
97 #include "ipsecConfigTracer.h"
98 #include "ipsecMessageTracer.h"
99
100 static int num2dhgroup[] = {
101 0,
102 OAKLEY_ATTR_GRP_DESC_MODP768,
103 OAKLEY_ATTR_GRP_DESC_MODP1024,
104 OAKLEY_ATTR_GRP_DESC_EC2N155,
105 OAKLEY_ATTR_GRP_DESC_EC2N185,
106 OAKLEY_ATTR_GRP_DESC_MODP1536,
107 0,
108 0,
109 0,
110 0,
111 0,
112 0,
113 0,
114 0,
115 OAKLEY_ATTR_GRP_DESC_MODP2048,
116 OAKLEY_ATTR_GRP_DESC_MODP3072,
117 OAKLEY_ATTR_GRP_DESC_MODP4096,
118 OAKLEY_ATTR_GRP_DESC_MODP6144,
119 OAKLEY_ATTR_GRP_DESC_MODP8192
120 };
121
122 struct remote_index_val {
123 int prefix;
124 struct sockaddr_storage *addr;
125 };
126
127 static struct remoteconf *cur_rmconf;
128 static int tmpalgtype[MAXALGCLASS];
129 static struct sainfo *cur_sainfo;
130 static int cur_algclass;
131
132 static struct proposalspec *newprspec (void);
133 static void insprspec (struct proposalspec *, struct proposalspec **);
134 static struct secprotospec *newspspec (void);
135 static void insspspec (struct secprotospec *, struct proposalspec **);
136
137 static int set_isakmp_proposal (struct remoteconf *, struct proposalspec *);
138 static void clean_tmpalgtype (void);
139 static int expand_isakmpspec (int, int, int *,
140 int, int, time_t, int, int, int, char *, struct remoteconf *);
141 static int listen_addr (struct sockaddr_storage *addr, int udp_encap);
142
143 void freeetypes (struct etypes **etypes);
144
145 #if 0
146 static int fix_lifebyte (u_long);
147 #endif
148 %}
149
150 %union {
151 unsigned long num;
152 vchar_t *val;
153 struct remoteconf *rmconf;
154 struct sockaddr_storage *saddr;
155 struct sainfoalg *alg;
156 struct remote_index_val *rmidx;
157 }
158
159 /* path */
160 %token PATH PATHTYPE
161 /* include */
162 %token INCLUDE
163 /* self information */
164 %token IDENTIFIER VENDORID
165 /* logging */
166 %token LOGGING LOGLEV
167 /* padding */
168 %token PADDING PAD_RANDOMIZE PAD_RANDOMIZELEN PAD_MAXLEN PAD_STRICT PAD_EXCLTAIL
169 /* listen */
170 %token LISTEN X_ISAKMP X_ISAKMP_NATT X_ADMIN STRICT_ADDRESS ADMINSOCK DISABLED
171 /* modecfg */
172 %token MODECFG CFG_NET4 CFG_MASK4 CFG_DNS4 CFG_NBNS4 CFG_DEFAULT_DOMAIN
173 %token CFG_AUTH_SOURCE CFG_AUTH_GROUPS CFG_SYSTEM CFG_RADIUS CFG_PAM CFG_LDAP CFG_LOCAL CFG_NONE
174 %token CFG_GROUP_SOURCE CFG_ACCOUNTING CFG_CONF_SOURCE CFG_MOTD CFG_POOL_SIZE CFG_AUTH_THROTTLE
175 %token CFG_SPLIT_NETWORK CFG_SPLIT_LOCAL CFG_SPLIT_INCLUDE CFG_SPLIT_DNS
176 %token CFG_PFS_GROUP CFG_SAVE_PASSWD
177 /* timer */
178 %token RETRY RETRY_COUNTER RETRY_INTERVAL RETRY_PERSEND
179 %token RETRY_PHASE1 RETRY_PHASE2 NATT_KA AUTO_EXIT_DELAY
180 /* algorithm */
181 %token ALGORITHM_CLASS ALGORITHMTYPE STRENGTHTYPE
182 /* sainfo */
183 %token SAINFO FROM GROUP
184 /* remote */
185 %token REMOTE ANONYMOUS INHERIT
186 %token EXCHANGE_MODE EXCHANGETYPE DOI DOITYPE SITUATION SITUATIONTYPE
187 %token CERTIFICATE_TYPE CERTTYPE PEERS_CERTFILE CA_TYPE
188 %token VERIFY_CERT SEND_CERT SEND_CR
189 %token IDENTIFIERTYPE IDENTIFIERQUAL MY_IDENTIFIER
190 %token PEERS_IDENTIFIER VERIFY_IDENTIFIER
191 %token LOCAL_ADDRESS
192 %token SHARED_SECRET SECRETTYPE
193 %token OPEN_DIR_AUTH_GROUP IN_KEYCHAIN
194 %token CERTIFICATE_VERIFICATION VERIFICATION_MODULE VERIFICATION_OPTION
195 %token DNSSEC CERT_X509 CERT_PLAINRSA
196 %token NONCE_SIZE DH_GROUP KEEPALIVE PASSIVE INITIAL_CONTACT
197 %token NAT_TRAVERSAL REMOTE_FORCE_LEVEL NAT_TRAVERSAL_LEVEL NAT_TRAVERSAL_MULTI_USER NAT_TRAVERSAL_KEEPALIVE
198 %token PROPOSAL_CHECK PROPOSAL_CHECK_LEVEL
199 %token GENERATE_POLICY GENERATE_LEVEL SUPPORT_PROXY
200 %token PROPOSAL
201 %token EXEC_PATH EXEC_COMMAND EXEC_SUCCESS EXEC_FAILURE
202 %token GSS_ID GSS_ID_ENC GSS_ID_ENCTYPE
203 %token COMPLEX_BUNDLE
204 %token DPD DPD_DELAY DPD_RETRY DPD_MAXFAIL DPD_ALGORITHM
205 %token DISCONNECT_ON_IDLE IDLE_TIMEOUT IDLE_DIRECTION
206 %token XAUTH_LOGIN WEAK_PHASE1_CHECK
207
208 %token PREFIX PORT PORTANY UL_PROTO ANY IKE_FRAG ESP_FRAG MODE_CFG
209 %token PFS_GROUP LIFETIME LIFETYPE_TIME LIFETYPE_BYTE STRENGTH REMOTEID
210
211 %token NUMBER SWITCH BOOLEAN
212 %token HEXSTRING QUOTEDSTRING ADDRSTRING ADDRRANGE
213 %token UNITTYPE_BYTE UNITTYPE_KBYTES UNITTYPE_MBYTES UNITTYPE_TBYTES
214 %token UNITTYPE_SEC UNITTYPE_MIN UNITTYPE_HOUR
215 %token EOS BOC EOC COMMA
216 %token DPD_ALGO_TYPE_DEFAULT DPD_ALGO_TYPE_INBOUND DPD_ALGO_TYPE_BLACKHOLE
217 %token IDLE_DIRECTION_IN IDLE_DIRECTION_OUT IDLE_DIRECTION_ANY IKE_VERSION
218
219 %type <num> NUMBER BOOLEAN SWITCH keylength
220 %type <num> PATHTYPE IDENTIFIERTYPE IDENTIFIERQUAL LOGLEV GSS_ID_ENCTYPE
221 %type <num> SECRETTYPE
222 %type <num> ALGORITHM_CLASS dh_group_num
223 %type <num> ALGORITHMTYPE STRENGTHTYPE
224 %type <num> PREFIX prefix PORT port ike_port
225 %type <num> ul_proto UL_PROTO
226 %type <num> EXCHANGETYPE DOITYPE SITUATIONTYPE
227 %type <num> CERTTYPE CERT_X509 CERT_PLAINRSA PROPOSAL_CHECK_LEVEL NAT_TRAVERSAL_LEVEL GENERATE_LEVEL
228 %type <num> VERIFICATION_MODULE VERIFICATION_OPTION
229 %type <num> unittype_time unittype_byte
230 %type <val> QUOTEDSTRING HEXSTRING ADDRSTRING ADDRRANGE sainfo_id
231 %type <val> identifierstring
232 %type <saddr> ike_addrinfo_port
233 %type <alg> algorithm
234 %type <num> dpd_algo_type
235 %type <num> idle_dir_type
236 %type <rmidx> remote_index ike_addrinfo_prefix_port
237
238 %%
239
240 statements
241 : /* nothing */
242 | statements statement
243 ;
244 statement
245 : path_statement
246 | include_statement
247 | identifier_statement
248 | logging_statement
249 | padding_statement
250 | listen_statement
251 | modecfg_statement
252 | timer_statement
253 | sainfo_statement
254 | remote_statement
255 | special_statement
256 ;
257
258 /* path */
259 path_statement
260 : PATH PATHTYPE QUOTEDSTRING
261 {
262 if ($2 >= LC_PATHTYPE_MAX) {
263 racoon_yyerror("invalid path type %d", $2);
264 return -1;
265 }
266
267 /* free old pathinfo */
268 if (lcconf->pathinfo[$2])
269 racoon_free(lcconf->pathinfo[$2]);
270
271 /* set new pathinfo */
272 lcconf->pathinfo[$2] = racoon_strdup($3->v);
273 STRDUP_FATAL(lcconf->pathinfo[$2]);
274 vfree($3);
275 }
276 EOS
277 ;
278
279 /* special */
280 special_statement
281 : COMPLEX_BUNDLE SWITCH { lcconf->complex_bundle = $2; } EOS
282 ;
283
284 /* include */
285 include_statement
286 : INCLUDE QUOTEDSTRING EOS
287 {
288 char path[MAXPATHLEN];
289
290 getpathname(path, sizeof(path),
291 LC_PATHTYPE_INCLUDE, $2->v);
292 vfree($2);
293 if (yycf_switch_buffer(path) != 0)
294 return -1;
295 }
296 ;
297
298 /* self information */
299 identifier_statement
300 : IDENTIFIER identifier_stmt
301 ;
302 identifier_stmt
303 : VENDORID
304 {
305 /*XXX to be deleted */
306 }
307 QUOTEDSTRING EOS
308 | IDENTIFIERTYPE QUOTEDSTRING
309 {
310 /*XXX to be deleted */
311 $2->l--; /* nuke '\0' */
312 lcconf->ident[$1] = $2;
313 if (lcconf->ident[$1] == NULL) {
314 racoon_yyerror("failed to set my ident: %s",
315 strerror(errno));
316 return -1;
317 }
318 }
319 EOS
320 ;
321
322 /* logging */
323 logging_statement
324 : LOGGING log_level EOS
325 ;
326 log_level
327 : QUOTEDSTRING
328 {
329 /*
330 * XXX ignore it because this specification
331 * will be obsoleted.
332 */
333 plogsetlevelquotedstr($1->v);
334 vfree($1);
335 }
336 | LOGLEV
337 {
338 plogsetlevel($1);
339 }
340 ;
341
342 /* padding */
343 padding_statement
344 : PADDING BOC padding_stmts EOC
345 ;
346 padding_stmts
347 : /* nothing */
348 | padding_stmts padding_stmt
349 ;
350 padding_stmt
351 : PAD_RANDOMIZE SWITCH { lcconf->pad_random = $2; } EOS
352 | PAD_RANDOMIZELEN SWITCH { lcconf->pad_randomlen = $2; } EOS
353 | PAD_MAXLEN NUMBER { lcconf->pad_maxsize = $2; } EOS
354 | PAD_STRICT SWITCH { lcconf->pad_strict = $2; } EOS
355 | PAD_EXCLTAIL SWITCH { lcconf->pad_excltail = $2; } EOS
356 ;
357
358 /* listen */
359 listen_statement
360 : LISTEN BOC listen_stmts EOC
361 ;
362 listen_stmts
363 : /* nothing */
364 | listen_stmts listen_stmt
365 ;
366 listen_stmt
367 : X_ISAKMP ike_addrinfo_port
368 {
369 listen_addr ($2, 0);
370 }
371 EOS
372 | X_ISAKMP_NATT ike_addrinfo_port
373 {
374 #ifdef ENABLE_NATT
375 listen_addr ($2, 1);
376 #else
377 racoon_yyerror("NAT-T support not compiled in.");
378 #endif
379 }
380 EOS
381 | X_ADMIN
382 {
383 racoon_yyerror("admin directive is obsoleted.");
384 }
385 PORT EOS
386 | ADMINSOCK QUOTEDSTRING QUOTEDSTRING QUOTEDSTRING NUMBER
387 {
388 racoon_yywarn("admin port support not compiled in");
389 }
390 EOS
391 | ADMINSOCK QUOTEDSTRING
392 {
393 racoon_yywarn("admin port support not compiled in");
394 }
395 EOS
396 | ADMINSOCK DISABLED
397 {
398 racoon_yywarn("admin port support not compiled in");
399 }
400 EOS
401 | STRICT_ADDRESS { lcconf->strict_address = TRUE; } EOS
402 ;
403 ike_addrinfo_port
404 : ADDRSTRING ike_port
405 {
406 char portbuf[10];
407
408 snprintf(portbuf, sizeof(portbuf), "%ld", $2);
409 $$ = str2saddr($1->v, portbuf);
410 vfree($1);
411 if (!$$)
412 return -1;
413 }
414 ;
415 ike_addrinfo_prefix_port
416 : ADDRSTRING prefix ike_port
417 {
418 char portbuf[10];
419 struct remote_index_val *new;
420
421 new = racoon_calloc(1, sizeof(*new));
422 if (new == NULL) {
423 racoon_yyerror("failed to allocate remote index struct");
424 vfree($1);
425 return -1;
426 }
427 snprintf(portbuf, sizeof(portbuf), "%ld", $3);
428 new->addr = str2saddr($1->v, portbuf);
429 vfree($1);
430 if (!new->addr) {
431 racoon_yyerror("failed to allocate sockaddr storage");
432 return -1;
433 }
434 new->prefix = $2;
435 $$ = new;
436 }
437 ;
438 ike_port
439 : /* nothing */ { $$ = PORT_ISAKMP; }
440 | PORT { $$ = $1; }
441 ;
442 /* modecfg */
443 modecfg_statement
444 : MODECFG BOC modecfg_stmts EOC
445 ;
446 modecfg_stmts
447 : /* nothing */
448 | modecfg_stmts modecfg_stmt
449 ;
450 modecfg_stmt
451 : CFG_NET4 ADDRSTRING
452 {
453 #ifdef ENABLE_HYBRID
454 if (inet_pton(AF_INET, $2->v,
455 &isakmp_cfg_config.network4) != 1)
456 racoon_yyerror("bad IPv4 network address.");
457 vfree($2);
458 #else
459 racoon_yyerror("racoon not configured with --enable-hybrid");
460 #endif
461 }
462 EOS
463 | CFG_MASK4 ADDRSTRING
464 {
465 #ifdef ENABLE_HYBRID
466 if (inet_pton(AF_INET, $2->v,
467 &isakmp_cfg_config.netmask4) != 1)
468 racoon_yyerror("bad IPv4 netmask address.");
469 vfree($2);
470 #else
471 racoon_yyerror("racoon not configured with --enable-hybrid");
472 #endif
473 }
474 EOS
475 | CFG_DNS4 addrdnslist
476 EOS
477 | CFG_NBNS4 addrwinslist
478 EOS
479 | CFG_SPLIT_NETWORK CFG_SPLIT_LOCAL splitnetlist
480 {
481 #ifdef ENABLE_HYBRID
482 isakmp_cfg_config.splitnet_type = UNITY_LOCAL_LAN;
483 #else
484 racoon_yyerror("racoon not configured with --enable-hybrid");
485 #endif
486 }
487 EOS
488 | CFG_SPLIT_NETWORK CFG_SPLIT_INCLUDE splitnetlist
489 {
490 #ifdef ENABLE_HYBRID
491 isakmp_cfg_config.splitnet_type = UNITY_SPLIT_INCLUDE;
492 #else
493 racoon_yyerror("racoon not configured with --enable-hybrid");
494 #endif
495 }
496 EOS
497 | CFG_SPLIT_DNS splitdnslist
498 {
499 #ifndef ENABLE_HYBRID
500 racoon_yyerror("racoon not configured with --enable-hybrid");
501 #endif
502 }
503 EOS
504 | CFG_DEFAULT_DOMAIN QUOTEDSTRING
505 {
506 #ifdef ENABLE_HYBRID
507 strlcpy(&isakmp_cfg_config.default_domain[0],
508 $2->v, sizeof(isakmp_cfg_config.default_domain));
509 vfree($2);
510 #else
511 racoon_yyerror("racoon not configured with --enable-hybrid");
512 #endif
513 }
514 EOS
515 | CFG_AUTH_SOURCE CFG_SYSTEM
516 {
517 #ifdef ENABLE_HYBRID
518 isakmp_cfg_config.authsource = ISAKMP_CFG_AUTH_SYSTEM;
519 #else
520 racoon_yyerror("racoon not configured with --enable-hybrid");
521 #endif
522 }
523 EOS
524 | CFG_AUTH_SOURCE CFG_RADIUS
525 {
526 #ifdef ENABLE_HYBRID
527 racoon_yyerror("racoon not configured with --with-libradius");
528 #else /* ENABLE_HYBRID */
529 racoon_yyerror("racoon not configured with --enable-hybrid");
530 #endif /* ENABLE_HYBRID */
531 }
532 EOS
533 | CFG_AUTH_SOURCE CFG_PAM
534 {
535 #ifdef ENABLE_HYBRID
536 racoon_yyerror("racoon not configured with --with-libpam");
537 #else /* ENABLE_HYBRID */
538 racoon_yyerror("racoon not configured with --enable-hybrid");
539 #endif /* ENABLE_HYBRID */
540 }
541 EOS
542 | CFG_AUTH_SOURCE CFG_LDAP
543 {
544 #ifdef ENABLE_HYBRID
545 racoon_yyerror("racoon not configured with --with-libldap");
546 #else /* ENABLE_HYBRID */
547 racoon_yyerror("racoon not configured with --enable-hybrid");
548 #endif /* ENABLE_HYBRID */
549 }
550 EOS
551 | CFG_AUTH_GROUPS authgrouplist
552 {
553 #ifndef ENABLE_HYBRID
554 racoon_yyerror("racoon not configured with --enable-hybrid");
555 #endif
556 }
557 EOS
558 | CFG_GROUP_SOURCE CFG_SYSTEM
559 {
560 #ifdef ENABLE_HYBRID
561 isakmp_cfg_config.groupsource = ISAKMP_CFG_GROUP_SYSTEM;
562 #else
563 racoon_yyerror("racoon not configured with --enable-hybrid");
564 #endif
565 }
566 EOS
567 | CFG_GROUP_SOURCE CFG_LDAP
568 {
569 #ifdef ENABLE_HYBRID
570 racoon_yyerror("racoon not configured with --with-libldap");
571 #else /* ENABLE_HYBRID */
572 racoon_yyerror("racoon not configured with --enable-hybrid");
573 #endif /* ENABLE_HYBRID */
574 }
575 EOS
576 | CFG_ACCOUNTING CFG_NONE
577 {
578 #ifdef ENABLE_HYBRID
579 isakmp_cfg_config.accounting = ISAKMP_CFG_ACCT_NONE;
580 #else
581 racoon_yyerror("racoon not configured with --enable-hybrid");
582 #endif
583 }
584 EOS
585 | CFG_ACCOUNTING CFG_SYSTEM
586 {
587 #ifdef ENABLE_HYBRID
588 isakmp_cfg_config.accounting = ISAKMP_CFG_ACCT_SYSTEM;
589 #else
590 racoon_yyerror("racoon not configured with --enable-hybrid");
591 #endif
592 }
593 EOS
594 | CFG_ACCOUNTING CFG_RADIUS
595 {
596 #ifdef ENABLE_HYBRID
597 racoon_yyerror("racoon not configured with --with-libradius");
598 #else /* ENABLE_HYBRID */
599 racoon_yyerror("racoon not configured with --enable-hybrid");
600 #endif /* ENABLE_HYBRID */
601 }
602 EOS
603 | CFG_ACCOUNTING CFG_PAM
604 {
605 #ifdef ENABLE_HYBRID
606 racoon_yyerror("racoon not configured with --with-libpam");
607 #else /* ENABLE_HYBRID */
608 racoon_yyerror("racoon not configured with --enable-hybrid");
609 #endif /* ENABLE_HYBRID */
610 }
611 EOS
612 | CFG_POOL_SIZE NUMBER
613 {
614 #ifdef ENABLE_HYBRID
615 if (isakmp_cfg_resize_pool($2) != 0)
616 racoon_yyerror("cannot allocate memory for pool");
617 #else /* ENABLE_HYBRID */
618 racoon_yyerror("racoon not configured with --enable-hybrid");
619 #endif /* ENABLE_HYBRID */
620 }
621 EOS
622 | CFG_PFS_GROUP NUMBER
623 {
624 #ifdef ENABLE_HYBRID
625 isakmp_cfg_config.pfs_group = $2;
626 switch (isakmp_cfg_config.pfs_group)
627 {
628 case OAKLEY_ATTR_GRP_DESC_MODP768:
629 case OAKLEY_ATTR_GRP_DESC_MODP1024:
630 case OAKLEY_ATTR_GRP_DESC_MODP1536:
631 case OAKLEY_ATTR_GRP_DESC_MODP2048:
632 case OAKLEY_ATTR_GRP_DESC_MODP3072:
633 case OAKLEY_ATTR_GRP_DESC_MODP4096:
634 case OAKLEY_ATTR_GRP_DESC_MODP6144:
635 case OAKLEY_ATTR_GRP_DESC_MODP8192:
636 break;
637 default:
638 racoon_yyerror("Invalid PFS group specified");
639 return -1;
640 break;
641 }
642 #else /* ENABLE_HYBRID */
643 racoon_yyerror("racoon not configured with --enable-hybrid");
644 #endif /* ENABLE_HYBRID */
645 }
646 EOS
647 | CFG_SAVE_PASSWD SWITCH
648 {
649 #ifdef ENABLE_HYBRID
650 isakmp_cfg_config.save_passwd = $2;
651 #else /* ENABLE_HYBRID */
652 racoon_yyerror("racoon not configured with --enable-hybrid");
653 #endif /* ENABLE_HYBRID */
654 }
655 EOS
656 | CFG_AUTH_THROTTLE NUMBER
657 {
658 #ifdef ENABLE_HYBRID
659 isakmp_cfg_config.auth_throttle = $2;
660 #else /* ENABLE_HYBRID */
661 racoon_yyerror("racoon not configured with --enable-hybrid");
662 #endif /* ENABLE_HYBRID */
663 }
664 EOS
665 | CFG_CONF_SOURCE CFG_LOCAL
666 {
667 #ifdef ENABLE_HYBRID
668 isakmp_cfg_config.confsource = ISAKMP_CFG_CONF_LOCAL;
669 #else /* ENABLE_HYBRID */
670 racoon_yyerror("racoon not configured with --enable-hybrid");
671 #endif /* ENABLE_HYBRID */
672 }
673 EOS
674 | CFG_CONF_SOURCE CFG_RADIUS
675 {
676 #ifdef ENABLE_HYBRID
677 racoon_yyerror("racoon not configured with --with-libradius");
678 #else /* ENABLE_HYBRID */
679 racoon_yyerror("racoon not configured with --enable-hybrid");
680 #endif /* ENABLE_HYBRID */
681 }
682 EOS
683 | CFG_CONF_SOURCE CFG_LDAP
684 {
685 #ifdef ENABLE_HYBRID
686 racoon_yyerror("racoon not configured with --with-libldap");
687 #else /* ENABLE_HYBRID */
688 racoon_yyerror("racoon not configured with --enable-hybrid");
689 #endif /* ENABLE_HYBRID */
690 }
691 EOS
692 | CFG_MOTD QUOTEDSTRING
693 {
694 #ifdef ENABLE_HYBRID
695 strlcpy(&isakmp_cfg_config.motd[0], $2->v, sizeof(isakmp_cfg_config.motd));
696 vfree($2);
697 #else
698 racoon_yyerror("racoon not configured with --enable-hybrid");
699 #endif
700 }
701 EOS
702 ;
703
704 addrdnslist
705 : addrdns
706 | addrdns COMMA addrdnslist
707 ;
708 addrdns
709 : ADDRSTRING
710 {
711 #ifdef ENABLE_HYBRID
712 struct isakmp_cfg_config *icc = &isakmp_cfg_config;
713
714 if (icc->dns4_index > MAXNS) {
715 racoon_yyerror("No more than %d DNS", MAXNS);
716 return -1;
717 }
718 if (inet_pton(AF_INET, $1->v,
719 &icc->dns4[icc->dns4_index++]) != 1)
720 racoon_yyerror("bad IPv4 DNS address.");
721
722 vfree($1);
723 #else
724 racoon_yyerror("racoon not configured with --enable-hybrid");
725 #endif
726 }
727 ;
728
729 addrwinslist
730 : addrwins
731 | addrwins COMMA addrwinslist
732 ;
733 addrwins
734 : ADDRSTRING
735 {
736 #ifdef ENABLE_HYBRID
737 struct isakmp_cfg_config *icc = &isakmp_cfg_config;
738
739 if (icc->nbns4_index > MAXWINS) {
740 racoon_yyerror("No more than %d WINS", MAXWINS);
741 return -1;
742 }
743 if (inet_pton(AF_INET, $1->v,
744 &icc->nbns4[icc->nbns4_index++]) != 1)
745 racoon_yyerror("bad IPv4 WINS address.");
746
747 vfree($1);
748 #else
749 racoon_yyerror("racoon not configured with --enable-hybrid");
750 #endif
751 }
752 ;
753
754 splitnetlist
755 : splitnet
756 | splitnetlist COMMA splitnet
757 ;
758 splitnet
759 : ADDRSTRING PREFIX
760 {
761 #ifdef ENABLE_HYBRID
762 struct isakmp_cfg_config *icc = &isakmp_cfg_config;
763 struct unity_network network;
764
765 if (inet_pton(AF_INET, $1->v, &network.addr4) != 1)
766 racoon_yyerror("bad IPv4 SPLIT address.");
767
768 /* Turn $2 (the prefix) into a subnet mask */
769 network.mask4.s_addr = ($2) ? htonl(~((1 << (32 - $2)) - 1)) : 0;
770
771 /* add the network to our list */
772 if (splitnet_list_add(&icc->splitnet_list, &network,&icc->splitnet_count))
773 racoon_yyerror("Unable to allocate split network");
774
775 vfree($1);
776 #else
777 racoon_yyerror("racoon not configured with --enable-hybrid");
778 #endif
779 }
780 ;
781
782 authgrouplist
783 : authgroup
784 | authgroup COMMA authgrouplist
785 ;
786 authgroup
787 : QUOTEDSTRING
788 {
789 #ifdef ENABLE_HYBRID
790 char * groupname = NULL;
791 char ** grouplist = NULL;
792 struct isakmp_cfg_config *icc = &isakmp_cfg_config;
793
794 grouplist = racoon_realloc(icc->grouplist,
795 sizeof(char**)*(icc->groupcount+1));
796 if (grouplist == NULL)
797 racoon_yyerror("unable to allocate auth group list");
798
799 groupname = racoon_malloc($1->l+1);
800 if (groupname == NULL)
801 racoon_yyerror("unable to allocate auth group name");
802
803 memcpy(groupname,$1->v,$1->l);
804 groupname[$1->l]=0;
805 grouplist[icc->groupcount]=groupname;
806 icc->grouplist = grouplist;
807 icc->groupcount++;
808
809 vfree($1);
810 #else
811 racoon_yyerror("racoon not configured with --enable-hybrid");
812 #endif
813 }
814 ;
815
816 splitdnslist
817 : splitdns
818 | splitdns COMMA splitdnslist
819 ;
820 splitdns
821 : QUOTEDSTRING
822 {
823 #ifdef ENABLE_HYBRID
824 struct isakmp_cfg_config *icc = &isakmp_cfg_config;
825
826 if (!icc->splitdns_len)
827 {
828 icc->splitdns_list = racoon_malloc($1->l);
829 if(icc->splitdns_list == NULL)
830 racoon_yyerror("error allocating splitdns list buffer");
831 memcpy(icc->splitdns_list,$1->v,$1->l);
832 icc->splitdns_len = $1->l;
833 }
834 else
835 {
836 int len = icc->splitdns_len + $1->l + 1;
837 icc->splitdns_list = racoon_realloc(icc->splitdns_list,len);
838 if(icc->splitdns_list == NULL)
839 racoon_yyerror("error allocating splitdns list buffer");
840 icc->splitdns_list[icc->splitdns_len] = ',';
841 memcpy(icc->splitdns_list + icc->splitdns_len + 1, $1->v, $1->l);
842 icc->splitdns_len = len;
843 }
844 vfree($1);
845 #else
846 racoon_yyerror("racoon not configured with --enable-hybrid");
847 #endif
848 }
849 ;
850
851
852 /* timer */
853 timer_statement
854 : RETRY BOC timer_stmts EOC
855 ;
856 timer_stmts
857 : /* nothing */
858 | timer_stmts timer_stmt
859 ;
860 timer_stmt
861 : RETRY_COUNTER NUMBER
862 {
863 lcconf->retry_counter = $2;
864 }
865 EOS
866 | RETRY_INTERVAL NUMBER unittype_time
867 {
868 lcconf->retry_interval = $2 * $3;
869 }
870 EOS
871 | RETRY_PERSEND NUMBER
872 {
873 lcconf->count_persend = $2;
874 }
875 EOS
876 | RETRY_PHASE1 NUMBER unittype_time
877 {
878 lcconf->retry_checkph1 = $2 * $3;
879 }
880 EOS
881 | RETRY_PHASE2 NUMBER unittype_time
882 {
883 lcconf->wait_ph2complete = $2 * $3;
884 }
885 EOS
886 | AUTO_EXIT_DELAY NUMBER unittype_time
887 {
888 lcconf->auto_exit_delay = $2 * $3;
889 lcconf->auto_exit_state |= LC_AUTOEXITSTATE_SET;
890 }
891 EOS
892
893 | NATT_KA NUMBER unittype_time
894 {
895 #ifdef ENABLE_NATT
896 lcconf->natt_ka_interval = $2 * $3;
897 #else
898 racoon_yyerror("NAT-T support not compiled in.");
899 #endif
900 }
901 EOS
902 ;
903
904 /* sainfo */
905 sainfo_statement
906 : SAINFO
907 {
908 cur_sainfo = create_sainfo();
909 if (cur_sainfo == NULL) {
910 racoon_yyerror("failed to allocate sainfo");
911 return -1;
912 }
913 }
914 sainfo_name sainfo_param BOC sainfo_specs
915 {
916 struct sainfo *check;
917
918 /* default */
919 if (cur_sainfo->algs[algclass_ipsec_enc] == 0) {
920 racoon_yyerror("no encryption algorithm at %s",
921 sainfo2str(cur_sainfo));
922 return -1;
923 }
924 if (cur_sainfo->algs[algclass_ipsec_auth] == 0) {
925 racoon_yyerror("no authentication algorithm at %s",
926 sainfo2str(cur_sainfo));
927 return -1;
928 }
929 if (cur_sainfo->algs[algclass_ipsec_comp] == 0) {
930 racoon_yyerror("no compression algorithm at %s",
931 sainfo2str(cur_sainfo));
932 return -1;
933 }
934
935 /* duplicate check */
936 check = getsainfo(cur_sainfo->idsrc,
937 cur_sainfo->iddst,
938 cur_sainfo->id_i, 0);
939 if (check && (!check->idsrc && !cur_sainfo->idsrc)) {
940 racoon_yyerror("duplicated sainfo: %s",
941 sainfo2str(cur_sainfo));
942 return -1;
943 }
944 inssainfo(cur_sainfo);
945 }
946 EOC
947 ;
948 sainfo_name
949 : ANONYMOUS
950 {
951 cur_sainfo->idsrc = NULL;
952 cur_sainfo->iddst = NULL;
953 }
954 | ANONYMOUS sainfo_id
955 {
956 cur_sainfo->idsrc = NULL;
957 cur_sainfo->iddst = $2;
958 }
959 | sainfo_id ANONYMOUS
960 {
961 cur_sainfo->idsrc = $1;
962 cur_sainfo->iddst = NULL;
963 }
964 | sainfo_id sainfo_id
965 {
966 cur_sainfo->idsrc = $1;
967 cur_sainfo->iddst = $2;
968 }
969 ;
970 sainfo_id
971 : IDENTIFIERTYPE ADDRSTRING prefix port ul_proto
972 {
973 char portbuf[10];
974 struct sockaddr_storage *saddr;
975
976 if (($5 == IPPROTO_ICMP || $5 == IPPROTO_ICMPV6)
977 && ($4 != IPSEC_PORT_ANY || $4 != IPSEC_PORT_ANY)) {
978 racoon_yyerror("port number must be \"any\".");
979 return -1;
980 }
981
982 snprintf(portbuf, sizeof(portbuf), "%lu", $4);
983 saddr = str2saddr($2->v, portbuf);
984 vfree($2);
985 if (saddr == NULL)
986 return -1;
987
988 switch (saddr->ss_family) {
989 case AF_INET:
990 if ($5 == IPPROTO_ICMPV6) {
991 racoon_yyerror("upper layer protocol mismatched.\n");
992 racoon_free(saddr);
993 return -1;
994 }
995 $$ = ipsecdoi_sockaddr2id(saddr,
996 $3 == ~0 ? (sizeof(struct in_addr) << 3): $3,
997 $5);
998 break;
999 #ifdef INET6
1000 case AF_INET6:
1001 if ($5 == IPPROTO_ICMP) {
1002 racoon_yyerror("upper layer protocol mismatched.\n");
1003 racoon_free(saddr);
1004 return -1;
1005 }
1006 $$ = ipsecdoi_sockaddr2id(saddr,
1007 $3 == ~0 ? (sizeof(struct in6_addr) << 3): $3,
1008 $5);
1009 break;
1010 #endif
1011 default:
1012 racoon_yyerror("invalid family: %d", saddr->ss_family);
1013 $$ = NULL;
1014 break;
1015 }
1016 racoon_free(saddr);
1017 if ($$ == NULL)
1018 return -1;
1019 }
1020 | IDENTIFIERTYPE ADDRSTRING ADDRRANGE prefix port ul_proto
1021 {
1022 char portbuf[10];
1023 struct sockaddr_storage *laddr = NULL, *haddr = NULL;
1024
1025 if (($6 == IPPROTO_ICMP || $6 == IPPROTO_ICMPV6)
1026 && ($5 != IPSEC_PORT_ANY || $5 != IPSEC_PORT_ANY)) {
1027 racoon_yyerror("port number must be \"any\".");
1028 return -1;
1029 }
1030
1031 snprintf(portbuf, sizeof(portbuf), "%lu", $5);
1032
1033 laddr = str2saddr($2->v, portbuf);
1034 if (laddr == NULL) {
1035 return -1;
1036 }
1037 vfree($2);
1038 haddr = str2saddr($3->v, portbuf);
1039 if (haddr == NULL) {
1040 racoon_free(laddr);
1041 return -1;
1042 }
1043 vfree($3);
1044
1045 switch (laddr->ss_family) {
1046 case AF_INET:
1047 if ($6 == IPPROTO_ICMPV6) {
1048 racoon_yyerror("upper layer protocol mismatched.\n");
1049 if (laddr)
1050 racoon_free(laddr);
1051 if (haddr)
1052 racoon_free(haddr);
1053 return -1;
1054 }
1055 $$ = ipsecdoi_sockrange2id(laddr, haddr,
1056 $6);
1057 break;
1058 #ifdef INET6
1059 case AF_INET6:
1060 if ($6 == IPPROTO_ICMP) {
1061 racoon_yyerror("upper layer protocol mismatched.\n");
1062 if (laddr)
1063 racoon_free(laddr);
1064 if (haddr)
1065 racoon_free(haddr);
1066 return -1;
1067 }
1068 $$ = ipsecdoi_sockrange2id(laddr, haddr,
1069 $6);
1070 break;
1071 #endif
1072 default:
1073 racoon_yyerror("invalid family: %d", laddr->ss_family);
1074 $$ = NULL;
1075 break;
1076 }
1077 if (laddr)
1078 racoon_free(laddr);
1079 if (haddr)
1080 racoon_free(haddr);
1081 if ($$ == NULL)
1082 return -1;
1083 }
1084 | IDENTIFIERTYPE QUOTEDSTRING
1085 {
1086 struct ipsecdoi_id_b *id_b;
1087
1088 if ($1 == IDTYPE_ASN1DN) {
1089 racoon_yyerror("id type forbidden: %d", $1);
1090 $$ = NULL;
1091 return -1;
1092 }
1093
1094 $2->l--;
1095
1096 $$ = vmalloc(sizeof(*id_b) + $2->l);
1097 if ($$ == NULL) {
1098 racoon_yyerror("failed to allocate identifier");
1099 return -1;
1100 }
1101
1102 id_b = ALIGNED_CAST(struct ipsecdoi_id_b *)$$->v;
1103 id_b->type = idtype2doi($1);
1104
1105 id_b->proto_id = 0;
1106 id_b->port = 0;
1107
1108 memcpy($$->v + sizeof(*id_b), $2->v, $2->l);
1109 }
1110 ;
1111 sainfo_param
1112 : /* nothing */
1113 {
1114 cur_sainfo->id_i = NULL;
1115 }
1116
1117 | FROM IDENTIFIERTYPE identifierstring
1118 {
1119 struct ipsecdoi_id_b *id_b;
1120 vchar_t *idv;
1121
1122 if (set_identifier(&idv, $2, $3) != 0) {
1123 racoon_yyerror("failed to set identifer.\n");
1124 return -1;
1125 }
1126 cur_sainfo->id_i = vmalloc(sizeof(*id_b) + idv->l);
1127 if (cur_sainfo->id_i == NULL) {
1128 racoon_yyerror("failed to allocate identifier");
1129 return -1;
1130 }
1131
1132 id_b = ALIGNED_CAST(struct ipsecdoi_id_b *)cur_sainfo->id_i->v;
1133 id_b->type = idtype2doi($2);
1134
1135 id_b->proto_id = 0;
1136 id_b->port = 0;
1137
1138 memcpy(cur_sainfo->id_i->v + sizeof(*id_b),
1139 idv->v, idv->l);
1140 vfree(idv);
1141 }
1142 | GROUP QUOTEDSTRING
1143 {
1144 #ifdef ENABLE_HYBRID
1145 if ((cur_sainfo->group = vdup($2)) == NULL) {
1146 racoon_yyerror("failed to set sainfo xauth group.\n");
1147 return -1;
1148 }
1149 #else
1150 racoon_yyerror("racoon not configured with --enable-hybrid");
1151 return -1;
1152 #endif
1153 }
1154 ;
1155 sainfo_specs
1156 : /* nothing */
1157 | sainfo_specs sainfo_spec
1158 ;
1159 sainfo_spec
1160 : PFS_GROUP dh_group_num
1161 {
1162 cur_sainfo->pfs_group = $2;
1163 switch (cur_sainfo->pfs_group)
1164 {
1165 case OAKLEY_ATTR_GRP_DESC_MODP768:
1166 case OAKLEY_ATTR_GRP_DESC_MODP1024:
1167 case OAKLEY_ATTR_GRP_DESC_MODP1536:
1168 case OAKLEY_ATTR_GRP_DESC_MODP2048:
1169 case OAKLEY_ATTR_GRP_DESC_MODP3072:
1170 case OAKLEY_ATTR_GRP_DESC_MODP4096:
1171 case OAKLEY_ATTR_GRP_DESC_MODP6144:
1172 case OAKLEY_ATTR_GRP_DESC_MODP8192:
1173 break;
1174 default:
1175 racoon_yyerror("Invalid PFS group specified");
1176 return -1;
1177 break;
1178 }
1179 }
1180 EOS
1181 | LIFETIME LIFETYPE_TIME NUMBER unittype_time
1182 {
1183 cur_sainfo->lifetime = $3 * $4;
1184 }
1185 EOS
1186 | LIFETIME LIFETYPE_BYTE NUMBER unittype_byte
1187 {
1188 #if 1
1189 racoon_yyerror("byte lifetime support is deprecated");
1190 return -1;
1191 #else
1192 cur_sainfo->lifebyte = fix_lifebyte($3 * $4);
1193 if (cur_sainfo->lifebyte == 0)
1194 return -1;
1195 #endif
1196 }
1197 EOS
1198 | ALGORITHM_CLASS {
1199 cur_algclass = $1;
1200 }
1201 algorithms EOS
1202 | IDENTIFIER IDENTIFIERTYPE
1203 {
1204 racoon_yyerror("it's deprecated to specify a identifier in phase 2");
1205 }
1206 EOS
1207 | MY_IDENTIFIER IDENTIFIERTYPE QUOTEDSTRING
1208 {
1209 racoon_yyerror("it's deprecated to specify a identifier in phase 2");
1210 }
1211 EOS
1212 ;
1213
1214 algorithms
1215 : algorithm
1216 {
1217 inssainfoalg(&cur_sainfo->algs[cur_algclass], $1);
1218 }
1219 | algorithm
1220 {
1221 inssainfoalg(&cur_sainfo->algs[cur_algclass], $1);
1222 }
1223 COMMA algorithms
1224 ;
1225 algorithm
1226 : ALGORITHMTYPE keylength
1227 {
1228 int defklen;
1229
1230 $$ = newsainfoalg();
1231 if ($$ == NULL) {
1232 racoon_yyerror("failed to get algorithm allocation");
1233 return -1;
1234 }
1235
1236 $$->alg = algtype2doi(cur_algclass, $1);
1237 if ($$->alg == -1) {
1238 racoon_yyerror("algorithm mismatched");
1239 racoon_free($$);
1240 $$ = NULL;
1241 return -1;
1242 }
1243
1244 defklen = default_keylen(cur_algclass, $1);
1245 if (defklen == 0) {
1246 if ($2) {
1247 racoon_yyerror("keylen not allowed");
1248 racoon_free($$);
1249 $$ = NULL;
1250 return -1;
1251 }
1252 } else {
1253 if ($2 && check_keylen(cur_algclass, $1, $2) < 0) {
1254 racoon_yyerror("invalid keylen %d", $2);
1255 racoon_free($$);
1256 $$ = NULL;
1257 return -1;
1258 }
1259 }
1260
1261 if ($2)
1262 $$->encklen = $2;
1263 else
1264 $$->encklen = defklen;
1265
1266 /* check if it's supported algorithm by kernel */
1267 if (!(cur_algclass == algclass_ipsec_auth && $1 == algtype_non_auth)
1268 && pk_checkalg(cur_algclass, $1, $$->encklen)) {
1269 int a = algclass2doi(cur_algclass);
1270 int b = algtype2doi(cur_algclass, $1);
1271 if (a == IPSECDOI_ATTR_AUTH)
1272 a = IPSECDOI_PROTO_IPSEC_AH;
1273 racoon_yyerror("algorithm %s not supported by the kernel (missing module?)",
1274 s_ipsecdoi_trns(a, b));
1275 racoon_free($$);
1276 $$ = NULL;
1277 return -1;
1278 }
1279 }
1280 ;
1281 prefix
1282 : /* nothing */ { $$ = ~0; }
1283 | PREFIX { $$ = $1; }
1284 ;
1285 port
1286 : /* nothing */ { $$ = IPSEC_PORT_ANY; }
1287 | PORT { $$ = $1; }
1288 | PORTANY { $$ = IPSEC_PORT_ANY; }
1289 ;
1290 ul_proto
1291 : NUMBER { $$ = $1; }
1292 | UL_PROTO { $$ = $1; }
1293 | ANY { $$ = IPSEC_ULPROTO_ANY; }
1294 ;
1295 keylength
1296 : /* nothing */ { $$ = 0; }
1297 | NUMBER { $$ = $1; }
1298 ;
1299
1300 /* remote */
1301 remote_statement
1302 : REMOTE remote_index INHERIT remote_index
1303 {
1304 struct remoteconf *new;
1305 struct proposalspec *prspec;
1306
1307 new = copyrmconf($4->addr);
1308 if (new == NULL) {
1309 racoon_yyerror("failed to get remoteconf for %s.", saddr2str((struct sockaddr *)$4));
1310 racoon_free($2->addr);
1311 racoon_free($2);
1312 racoon_free($4->addr);
1313 racoon_free($4);
1314 return -1;
1315 }
1316
1317 new->remote = $2->addr;
1318 new->remote_prefix = ($2->prefix == ~0 ? 0 : $2->prefix);
1319 new->inherited_from = getrmconf_strict($4->addr, 1);
1320 new->proposal = NULL;
1321 new->prhead = NULL;
1322 cur_rmconf = new;
1323 racoon_free($2);
1324 racoon_free($4->addr);
1325 racoon_free($4);
1326
1327 prspec = newprspec();
1328 if (prspec == NULL || !cur_rmconf->inherited_from
1329 || !cur_rmconf->inherited_from->proposal)
1330 return -1;
1331 prspec->lifetime = cur_rmconf->inherited_from->proposal->lifetime;
1332 prspec->lifebyte = cur_rmconf->inherited_from->proposal->lifebyte;
1333 insprspec(prspec, &cur_rmconf->prhead);
1334 }
1335 remote_specs_block
1336 | REMOTE remote_index
1337 {
1338 struct remoteconf *new;
1339 struct proposalspec *prspec;
1340
1341 new = create_rmconf();
1342 if (new == NULL) {
1343 racoon_yyerror("failed to get new remoteconf.");
1344 racoon_free($2->addr);
1345 racoon_free($2);
1346 return -1;
1347 }
1348 new->remote = $2->addr;
1349 new->remote_prefix = ($2->prefix == ~0 ? 0 : $2->prefix);
1350 cur_rmconf = new;
1351 racoon_free($2);
1352
1353 prspec = newprspec();
1354 if (prspec == NULL)
1355 return -1;
1356 prspec->lifetime = oakley_get_defaultlifetime();
1357 insprspec(prspec, &cur_rmconf->prhead);
1358 }
1359 remote_specs_block
1360 ;
1361
1362 remote_specs_block
1363 : BOC remote_specs EOC
1364 {
1365 /* check a exchange mode */
1366 if (cur_rmconf->etypes == NULL) {
1367 racoon_yyerror("no exchange mode specified.\n");
1368 return -1;
1369 }
1370
1371 if (cur_rmconf->idvtype == IDTYPE_UNDEFINED)
1372 cur_rmconf->idvtype = IDTYPE_ADDRESS;
1373
1374
1375 if (cur_rmconf->idvtype == IDTYPE_ASN1DN) {
1376 if (cur_rmconf->identity_in_keychain)
1377 {
1378 if (cur_rmconf->idv)
1379 racoon_yywarn("Both CERT and ASN1 ID "
1380 "are set. Hope this is OK.\n");
1381 /* TODO: Preparse the DN here */
1382 } else if (cur_rmconf->idv) {
1383 /* OK, using asn1dn without X.509. */
1384 } else {
1385 racoon_yyerror("ASN1 ID not specified "
1386 "and no CERT defined!\n");
1387 return -1;
1388 }
1389 }
1390
1391 if (cur_rmconf->cert_verification_option == VERIFICATION_OPTION_PEERS_IDENTIFIER) {
1392 struct genlist_entry *gpb;
1393 if (genlist_next(cur_rmconf->idvl_p, &gpb) == NULL) {
1394 racoon_yyerror("peers_identifier required for specified certificate "
1395 "verification option.\n");
1396 return -1;
1397 }
1398 }
1399
1400 if (cur_rmconf->prhead->spspec == NULL
1401 && cur_rmconf->inherited_from
1402 && cur_rmconf->inherited_from->prhead) {
1403 cur_rmconf->prhead->spspec = cur_rmconf->inherited_from->prhead->spspec;
1404 }
1405 if (set_isakmp_proposal(cur_rmconf, cur_rmconf->prhead) != 0)
1406 return -1;
1407
1408 /* DH group setting if aggressive mode or IKEv2. */
1409 if (check_etypeok(cur_rmconf, ISAKMP_ETYPE_AGG) != NULL) {
1410 struct isakmpsa *p;
1411 int b = 0;
1412
1413 /* DH group */
1414 for (p = cur_rmconf->proposal; p; p = p->next) {
1415 if (b == 0 || (b && b == p->dh_group)) {
1416 b = p->dh_group;
1417 continue;
1418 }
1419 racoon_yyerror("DH group must be equal "
1420 "in all proposals "
1421 "when aggressive mode is "
1422 "used.\n");
1423 return -1;
1424 }
1425 cur_rmconf->dh_group = b;
1426
1427 if (cur_rmconf->dh_group == 0) {
1428 racoon_yyerror("DH group must be set in the proposal.\n");
1429 return -1;
1430 }
1431
1432 /* DH group settting if PFS is required. */
1433 if (oakley_setdhgroup(cur_rmconf->dh_group,
1434 &cur_rmconf->dhgrp) < 0) {
1435 racoon_yyerror("failed to set DH value.\n");
1436 return -1;
1437 }
1438 }
1439
1440 insrmconf(cur_rmconf);
1441 }
1442 ;
1443 remote_index
1444 : ANONYMOUS ike_port
1445 {
1446
1447 struct remote_index_val *new;
1448
1449 new = racoon_calloc(1, sizeof(*new));
1450 if (new == NULL) {
1451 racoon_yyerror("failed to allocate remote index struct");
1452 return -1;
1453 }
1454 new->addr = newsaddr(sizeof(struct sockaddr_storage));
1455 if (new->addr == NULL) {
1456 racoon_yyerror("failed to allocate sockaddr storage");
1457 racoon_free(new);
1458 return -1;
1459 }
1460 new->addr->ss_family = AF_UNSPEC;
1461 (ALIGNED_CAST(struct sockaddr_in *)new->addr)->sin_port = htons($2);
1462 new->prefix = ~0;
1463 $$ = new;
1464 }
1465 | ike_addrinfo_prefix_port
1466 {
1467 $$ = $1;
1468 if ($$ == NULL) {
1469 racoon_yyerror("failed to allocate sockaddr_storage");
1470 return -1;
1471 }
1472 }
1473 ;
1474 remote_specs
1475 : /* nothing */
1476 | remote_specs remote_spec
1477 ;
1478 remote_spec
1479 : EXCHANGE_MODE
1480 {
1481 cur_rmconf->etypes = NULL;
1482 }
1483 exchange_types EOS
1484 | DOI DOITYPE { cur_rmconf->doitype = $2; } EOS
1485 | SITUATION SITUATIONTYPE { cur_rmconf->sittype = $2; } EOS
1486 | IKE_VERSION NUMBER
1487 {
1488 if ($2 == 1)
1489 cur_rmconf->ike_version = ISAKMP_VERSION_NUMBER_IKEV1;
1490 else {
1491 racoon_yyerror("invalid IKE version specified.\n");
1492 return -1;
1493 }
1494 } EOS
1495 | CERTIFICATE_TYPE cert_spec
1496 | VERIFY_CERT SWITCH { cur_rmconf->verify_cert = $2; } EOS
1497 | SEND_CERT SWITCH { cur_rmconf->send_cert = $2; } EOS
1498 | SEND_CR SWITCH { cur_rmconf->send_cr = $2; } EOS
1499 | CERTIFICATE_VERIFICATION VERIFICATION_MODULE
1500 {
1501 cur_rmconf->cert_verification = $2;
1502 } EOS
1503 | CERTIFICATE_VERIFICATION VERIFICATION_MODULE VERIFICATION_OPTION
1504 {
1505 cur_rmconf->cert_verification = $2;
1506 cur_rmconf->cert_verification_option = $3;
1507 }
1508 EOS
1509 | OPEN_DIR_AUTH_GROUP QUOTEDSTRING
1510 {
1511 #if HAVE_OPENDIR
1512 cur_rmconf->open_dir_auth_group = $2;
1513 #else
1514 racoon_yyerror("Apple specific features not compiled in.");
1515 return -1;
1516 #endif
1517 } EOS
1518 | MY_IDENTIFIER IDENTIFIERTYPE identifierstring
1519 {
1520 if (set_identifier(&cur_rmconf->idv, $2, $3) != 0) {
1521 racoon_yyerror("failed to set identifer.\n");
1522 vfree($3); //%%% BUG FIX - memory leak
1523 return -1;
1524 }
1525 vfree($3); //%%% BUG FIX - memory leak
1526 cur_rmconf->idvtype = $2;
1527 }
1528 EOS
1529 | MY_IDENTIFIER IDENTIFIERTYPE IDENTIFIERQUAL identifierstring
1530 {
1531 if (set_identifier_qual(&cur_rmconf->idv, $2, $4, $3) != 0) {
1532 racoon_yyerror("failed to set identifer.\n");
1533 return -1;
1534 }
1535 cur_rmconf->idvtype = $2;
1536 }
1537 EOS
1538 | XAUTH_LOGIN identifierstring
1539 {
1540 #ifdef ENABLE_HYBRID
1541 /* formerly identifier type login */
1542 if (xauth_rmconf_used(&cur_rmconf->xauth) == -1) {
1543 racoon_yyerror("failed to allocate xauth state\n");
1544 return -1;
1545 }
1546 if ((cur_rmconf->xauth->login = vdup($2)) == NULL) {
1547 racoon_yyerror("failed to set identifer.\n");
1548 return -1;
1549 }
1550 vfree($2); //%%% BUG FIX - memory leak
1551 #else
1552 racoon_yyerror("racoon not configured with --enable-hybrid");
1553 #endif
1554 }
1555 EOS
1556 | PEERS_IDENTIFIER IDENTIFIERTYPE identifierstring
1557 {
1558 struct idspec *id;
1559 id = newidspec();
1560 if (id == NULL) {
1561 racoon_yyerror("failed to allocate idspec");
1562 return -1;
1563 }
1564 if (set_identifier(&id->id, $2, $3) != 0) {
1565 racoon_yyerror("failed to set identifer.\n");
1566 racoon_free(id);
1567 vfree($3); //%%% BUG FIX - memory leak
1568 return -1;
1569 }
1570 vfree($3); //%%% BUG FIX - memory leak
1571 id->idtype = $2;
1572 genlist_append (cur_rmconf->idvl_p, id);
1573 }
1574 EOS
1575 | PEERS_IDENTIFIER IDENTIFIERTYPE IDENTIFIERQUAL identifierstring
1576 {
1577 struct idspec *id;
1578 id = newidspec();
1579 if (id == NULL) {
1580 racoon_yyerror("failed to allocate idspec");
1581 return -1;
1582 }
1583 if (set_identifier_qual(&id->id, $2, $4, $3) != 0) {
1584 racoon_yyerror("failed to set identifer.\n");
1585 racoon_free(id);
1586 return -1;
1587 }
1588 id->idtype = $2;
1589 genlist_append (cur_rmconf->idvl_p, id);
1590 }
1591 EOS
1592 | VERIFY_IDENTIFIER SWITCH { cur_rmconf->verify_identifier = $2; } EOS
1593 | LOCAL_ADDRESS ADDRSTRING
1594 {
1595 struct sockaddr_storage *saddr;
1596 saddr = str2saddr($2->v, NULL);
1597 vfree($2);
1598 if (saddr == NULL)
1599 return -1;
1600 cur_rmconf->forced_local = saddr;
1601 } EOS
1602 | SHARED_SECRET SECRETTYPE QUOTEDSTRING
1603 {
1604 cur_rmconf->secrettype = $2;
1605 cur_rmconf->shared_secret = $3;
1606 } EOS
1607 | SHARED_SECRET SECRETTYPE
1608 {
1609 if ($2 != SECRETTYPE_KEYCHAIN_BY_ID) {
1610 racoon_yyerror("shared secret value missing.\n");
1611 return -1;
1612 }
1613 cur_rmconf->secrettype = $2;
1614 } EOS
1615 | NONCE_SIZE NUMBER { cur_rmconf->nonce_size = $2; } EOS
1616 | DH_GROUP
1617 {
1618 racoon_yyerror("dh_group cannot be defined here.");
1619 return -1;
1620 }
1621 dh_group_num EOS
1622 | PASSIVE SWITCH { cur_rmconf->passive = $2; } EOS
1623 | IKE_FRAG SWITCH { cur_rmconf->ike_frag = $2; } EOS
1624 | IKE_FRAG REMOTE_FORCE_LEVEL { cur_rmconf->ike_frag = ISAKMP_FRAG_FORCE; } EOS
1625 | ESP_FRAG NUMBER {
1626 #ifdef SADB_X_EXT_NAT_T_FRAG
1627 if (libipsec_opt & LIBIPSEC_OPT_FRAG)
1628 cur_rmconf->esp_frag = $2;
1629 else
1630 racoon_yywarn("libipsec lacks IKE frag support");
1631 #else
1632 racoon_yywarn("Your kernel does not support esp_frag");
1633 #endif
1634 } EOS
1635 | MODE_CFG SWITCH { cur_rmconf->mode_cfg = $2; } EOS
1636 | WEAK_PHASE1_CHECK SWITCH {
1637 cur_rmconf->weak_phase1_check = $2;
1638 } EOS
1639 | GENERATE_POLICY SWITCH { cur_rmconf->gen_policy = $2; } EOS
1640 | GENERATE_POLICY GENERATE_LEVEL { cur_rmconf->gen_policy = $2; } EOS
1641 | SUPPORT_PROXY SWITCH { cur_rmconf->support_proxy = $2; } EOS
1642 | INITIAL_CONTACT SWITCH { cur_rmconf->ini_contact = $2; } EOS
1643 | NAT_TRAVERSAL SWITCH
1644 {
1645 #ifdef ENABLE_NATT
1646 cur_rmconf->nat_traversal = $2;
1647 #else
1648 racoon_yyerror("NAT-T support not compiled in.");
1649 #endif
1650 } EOS
1651 | NAT_TRAVERSAL NAT_TRAVERSAL_LEVEL
1652 {
1653 #ifdef ENABLE_NATT
1654 cur_rmconf->nat_traversal = $2;
1655 #else
1656 racoon_yyerror("NAT-T support not compiled in.");
1657 #endif
1658 } EOS
1659 | NAT_TRAVERSAL_MULTI_USER SWITCH
1660 {
1661 #ifdef ENABLE_NATT
1662 cur_rmconf->natt_multiple_user = $2;
1663 #else
1664 racoon_yyerror("NAT-T support not compiled in.");
1665 #endif
1666 } EOS
1667 | NAT_TRAVERSAL_KEEPALIVE SWITCH
1668 {
1669 #ifdef ENABLE_NATT
1670 cur_rmconf->natt_keepalive = $2;
1671 #else
1672 racoon_yyerror("NAT-T support not compiled in.");
1673 #endif
1674 } EOS
1675 | DPD SWITCH
1676 {
1677 #ifdef ENABLE_DPD
1678 cur_rmconf->dpd = $2;
1679 #else
1680 racoon_yyerror("DPD support not compiled in.");
1681 #endif
1682 } EOS
1683 | DPD_DELAY NUMBER
1684 {
1685 #ifdef ENABLE_DPD
1686 cur_rmconf->dpd_interval = $2;
1687 #else
1688 racoon_yyerror("DPD support not compiled in.");
1689 #endif
1690 }
1691 EOS
1692 | DPD_RETRY NUMBER
1693 {
1694 #ifdef ENABLE_DPD
1695 cur_rmconf->dpd_retry = $2;
1696 #else
1697 racoon_yyerror("DPD support not compiled in.");
1698 #endif
1699 }
1700 EOS
1701 | DPD_MAXFAIL NUMBER
1702 {
1703 #ifdef ENABLE_DPD
1704 cur_rmconf->dpd_maxfails = $2;
1705 #else
1706 racoon_yyerror("DPD support not compiled in.");
1707 #endif
1708 }
1709 EOS
1710 | DPD_ALGORITHM dpd_algo_type
1711 {
1712 #ifdef ENABLE_DPD
1713 cur_rmconf->dpd_algo = $2;
1714 #else
1715 racoon_yyerror("DPD support not compiled in.");
1716 #endif
1717 }
1718 EOS
1719 | DISCONNECT_ON_IDLE IDLE_TIMEOUT NUMBER IDLE_DIRECTION idle_dir_type
1720 {
1721 cur_rmconf->idle_timeout = $3;
1722 cur_rmconf->idle_timeout_dir = $5;
1723 }
1724 EOS
1725 | LIFETIME LIFETYPE_TIME NUMBER unittype_time
1726 {
1727 cur_rmconf->prhead->lifetime = $3 * $4;
1728 }
1729 EOS
1730 | PROPOSAL_CHECK PROPOSAL_CHECK_LEVEL { cur_rmconf->pcheck_level = $2; } EOS
1731 | LIFETIME LIFETYPE_BYTE NUMBER unittype_byte
1732 {
1733 #if 1
1734 racoon_yyerror("byte lifetime support is deprecated in Phase 1");
1735 return -1;
1736 #else
1737 racoon_yywarn("the lifetime of bytes in phase 1 "
1738 "will be ignored at the moment.");
1739 cur_rmconf->prhead->lifebyte = fix_lifebyte($3 * $4);
1740 if (cur_rmconf->prhead->lifebyte == 0)
1741 return -1;
1742 #endif
1743 }
1744 EOS
1745 | PROPOSAL
1746 {
1747 struct secprotospec *spspec;
1748
1749 spspec = newspspec();
1750 if (spspec == NULL)
1751 return -1;
1752 insspspec(spspec, &cur_rmconf->prhead);
1753 }
1754 BOC isakmpproposal_specs EOC
1755 ;
1756 exchange_types
1757 : /* nothing */
1758 | exchange_types EXCHANGETYPE
1759 {
1760 struct etypes *new;
1761 new = racoon_malloc(sizeof(struct etypes));
1762 if (new == NULL) {
1763 racoon_yyerror("failed to allocate etypes");
1764 return -1;
1765 }
1766 new->type = $2;
1767 new->next = NULL;
1768 if (cur_rmconf->etypes == NULL)
1769 cur_rmconf->etypes = new;
1770 else {
1771 struct etypes *p;
1772 for (p = cur_rmconf->etypes;
1773 p->next != NULL;
1774 p = p->next)
1775 ;
1776 p->next = new;
1777 }
1778 }
1779 ;
1780 cert_spec
1781 : CERT_X509 IN_KEYCHAIN
1782 {
1783 cur_rmconf->certtype = $1;
1784 cur_rmconf->identity_in_keychain = 1;
1785 cur_rmconf->keychainCertRef = NULL;
1786 }
1787 EOS
1788 ;
1789 | CERT_X509 IN_KEYCHAIN QUOTEDSTRING
1790 {
1791 cur_rmconf->certtype = $1;
1792 cur_rmconf->identity_in_keychain = 1;
1793 cur_rmconf->keychainCertRef = $3;
1794 }
1795 EOS
1796 ;
1797 dh_group_num
1798 : ALGORITHMTYPE
1799 {
1800 $$ = algtype2doi(algclass_isakmp_dh, $1);
1801 if ($$ == -1) {
1802 racoon_yyerror("must be DH group");
1803 return -1;
1804 }
1805 switch ($$)
1806 {
1807 case OAKLEY_ATTR_GRP_DESC_MODP768:
1808 case OAKLEY_ATTR_GRP_DESC_MODP1024:
1809 case OAKLEY_ATTR_GRP_DESC_MODP1536:
1810 case OAKLEY_ATTR_GRP_DESC_MODP2048:
1811 case OAKLEY_ATTR_GRP_DESC_MODP3072:
1812 case OAKLEY_ATTR_GRP_DESC_MODP4096:
1813 case OAKLEY_ATTR_GRP_DESC_MODP6144:
1814 case OAKLEY_ATTR_GRP_DESC_MODP8192:
1815 break;
1816 default:
1817 racoon_yyerror("Invalid DH group specified");
1818 return -1;
1819 break;
1820 }
1821 }
1822 | NUMBER
1823 {
1824 if (ARRAYLEN(num2dhgroup) > $1 && num2dhgroup[$1] != 0) {
1825 $$ = num2dhgroup[$1];
1826 } else {
1827 racoon_yyerror("must be DH group");
1828 $$ = 0;
1829 return -1;
1830 }
1831 switch ($$)
1832 {
1833 case OAKLEY_ATTR_GRP_DESC_MODP768:
1834 case OAKLEY_ATTR_GRP_DESC_MODP1024:
1835 case OAKLEY_ATTR_GRP_DESC_MODP1536:
1836 case OAKLEY_ATTR_GRP_DESC_MODP2048:
1837 case OAKLEY_ATTR_GRP_DESC_MODP3072:
1838 case OAKLEY_ATTR_GRP_DESC_MODP4096:
1839 case OAKLEY_ATTR_GRP_DESC_MODP6144:
1840 case OAKLEY_ATTR_GRP_DESC_MODP8192:
1841 break;
1842 default:
1843 racoon_yyerror("Invalid DH group specified");
1844 return -1;
1845 break;
1846 }
1847 }
1848 ;
1849 identifierstring
1850 : /* nothing */ { $$ = NULL; }
1851 | ADDRSTRING { $$ = $1; }
1852 | QUOTEDSTRING { $$ = $1; }
1853 ;
1854 isakmpproposal_specs
1855 : /* nothing */
1856 | isakmpproposal_specs isakmpproposal_spec
1857 ;
1858 isakmpproposal_spec
1859 : STRENGTH
1860 {
1861 racoon_yyerror("strength directive is obsoleted.");
1862 } STRENGTHTYPE EOS
1863 | LIFETIME LIFETYPE_TIME NUMBER unittype_time
1864 {
1865 cur_rmconf->prhead->spspec->lifetime = $3 * $4;
1866 }
1867 EOS
1868 | LIFETIME LIFETYPE_BYTE NUMBER unittype_byte
1869 {
1870 #if 1
1871 racoon_yyerror("byte lifetime support is deprecated");
1872 return -1;
1873 #else
1874 cur_rmconf->prhead->spspec->lifebyte = fix_lifebyte($3 * $4);
1875 if (cur_rmconf->prhead->spspec->lifebyte == 0)
1876 return -1;
1877 #endif
1878 }
1879 EOS
1880 | DH_GROUP dh_group_num
1881 {
1882 cur_rmconf->prhead->spspec->algclass[algclass_isakmp_dh] = $2;
1883 }
1884 EOS
1885 | GSS_ID QUOTEDSTRING
1886 {
1887 if (cur_rmconf->prhead->spspec->vendorid != VENDORID_GSSAPI) {
1888 racoon_yyerror("wrong Vendor ID for gssapi_id");
1889 return -1;
1890 }
1891 if (cur_rmconf->prhead->spspec->gssid != NULL)
1892 racoon_free(cur_rmconf->prhead->spspec->gssid);
1893 cur_rmconf->prhead->spspec->gssid =
1894 racoon_strdup($2->v);
1895 STRDUP_FATAL(cur_rmconf->prhead->spspec->gssid);
1896 }
1897 EOS
1898 | ALGORITHM_CLASS ALGORITHMTYPE keylength
1899 {
1900 int doi;
1901 int defklen;
1902 {
1903 doi = algtype2doi($1, $2);
1904 if (doi == -1) {
1905 racoon_yyerror("algorithm mismatched 1");
1906 return -1;
1907 }
1908 }
1909
1910 switch ($1) {
1911 case algclass_isakmp_enc:
1912 /* reject suppressed algorithms */
1913 cur_rmconf->prhead->spspec->algclass[algclass_isakmp_enc] = doi;
1914 defklen = default_keylen($1, $2);
1915 if (defklen == 0) {
1916 if ($3) {
1917 racoon_yyerror("keylen not allowed");
1918 return -1;
1919 }
1920 } else {
1921 if ($3 && check_keylen($1, $2, $3) < 0) {
1922 racoon_yyerror("invalid keylen %d", $3);
1923 return -1;
1924 }
1925 }
1926 if ($3)
1927 cur_rmconf->prhead->spspec->encklen = $3;
1928 else
1929 cur_rmconf->prhead->spspec->encklen = defklen;
1930 break;
1931 case algclass_isakmp_hash:
1932 cur_rmconf->prhead->spspec->algclass[algclass_isakmp_hash] = doi;
1933 break;
1934 case algclass_isakmp_ameth:
1935 cur_rmconf->prhead->spspec->algclass[algclass_isakmp_ameth] = doi;
1936 /*
1937 * We may have to set the Vendor ID for the
1938 * authentication method we're using.
1939 */
1940 switch ($2) {
1941 case algtype_gssapikrb:
1942 if (cur_rmconf->prhead->spspec->vendorid !=
1943 VENDORID_UNKNOWN) {
1944 racoon_yyerror("Vendor ID mismatch "
1945 "for auth method");
1946 return -1;
1947 }
1948 /*
1949 * For interoperability with Win2k,
1950 * we set the Vendor ID to "GSSAPI".
1951 */
1952 cur_rmconf->prhead->spspec->vendorid =
1953 VENDORID_GSSAPI;
1954 break;
1955 default:
1956 break;
1957 }
1958 break;
1959 default:
1960 racoon_yyerror("algorithm mismatched 2");
1961 return -1;
1962 }
1963 }
1964 EOS
1965 ;
1966
1967 unittype_time
1968 : UNITTYPE_SEC { $$ = 1; }
1969 | UNITTYPE_MIN { $$ = 60; }
1970 | UNITTYPE_HOUR { $$ = (60 * 60); }
1971 ;
1972 unittype_byte
1973 : UNITTYPE_BYTE { $$ = 1; }
1974 | UNITTYPE_KBYTES { $$ = 1024; }
1975 | UNITTYPE_MBYTES { $$ = (1024 * 1024); }
1976 | UNITTYPE_TBYTES { $$ = (1024 * 1024 * 1024); }
1977 ;
1978 dpd_algo_type
1979 : DPD_ALGO_TYPE_DEFAULT { $$ = DPD_ALGO_DEFAULT; }
1980 | DPD_ALGO_TYPE_INBOUND { $$ = DPD_ALGO_INBOUND_DETECT; }
1981 | DPD_ALGO_TYPE_BLACKHOLE { $$ = DPD_ALGO_BLACKHOLE_DETECT; }
1982 ;
1983 idle_dir_type
1984 : IDLE_DIRECTION_ANY { $$ = IPSEC_DIR_ANY; }
1985 | IDLE_DIRECTION_IN { $$ = IPSEC_DIR_INBOUND; }
1986 | IDLE_DIRECTION_OUT { $$ = IPSEC_DIR_OUTBOUND; }
1987 ;
1988 %%
1989
1990 static struct proposalspec *
1991 newprspec()
1992 {
1993 struct proposalspec *new;
1994
1995 new = racoon_calloc(1, sizeof(*new));
1996 if (new == NULL)
1997 racoon_yyerror("failed to allocate proposal");
1998
1999 return new;
2000 }
2001
2002 /*
2003 * insert into head of list.
2004 */
2005 static void
2006 insprspec(prspec, head)
2007 struct proposalspec *prspec;
2008 struct proposalspec **head;
2009 {
2010 if (*head != NULL)
2011 (*head)->prev = prspec;
2012 prspec->next = *head;
2013 *head = prspec;
2014 }
2015
2016 static struct secprotospec *
2017 newspspec()
2018 {
2019 struct secprotospec *new;
2020
2021 new = racoon_calloc(1, sizeof(*new));
2022 if (new == NULL) {
2023 racoon_yyerror("failed to allocate spproto");
2024 return NULL;
2025 }
2026
2027 new->encklen = 0; /*XXX*/
2028
2029 /*
2030 * Default to "uknown" vendor -- we will override this
2031 * as necessary. When we send a Vendor ID payload, an
2032 * "unknown" will be translated to a KAME/racoon ID.
2033 */
2034 new->vendorid = VENDORID_UNKNOWN;
2035
2036 return new;
2037 }
2038
2039 /*
2040 * insert into head of list.
2041 */
2042 static void
2043 insspspec(spspec, head)
2044 struct secprotospec *spspec;
2045 struct proposalspec **head;
2046 {
2047 spspec->back = *head;
2048
2049 if ((*head)->spspec != NULL)
2050 (*head)->spspec->prev = spspec;
2051 spspec->next = (*head)->spspec;
2052 (*head)->spspec = spspec;
2053 }
2054
2055 /* set final acceptable proposal */
2056 static int
2057 set_isakmp_proposal(rmconf, prspec)
2058 struct remoteconf *rmconf;
2059 struct proposalspec *prspec;
2060 {
2061 struct proposalspec *p;
2062 struct secprotospec *s;
2063 int prop_no = 1;
2064 int trns_no = 1;
2065 int32_t types[MAXALGCLASS];
2066
2067 p = prspec;
2068 if (p->next != 0) {
2069 plog(ASL_LEVEL_ERR,
2070 "multiple proposal definition.\n");
2071 return -1;
2072 }
2073
2074 /* mandatory check */
2075 if (p->spspec == NULL) {
2076 racoon_yyerror("no remote specification found: %s.\n",
2077 saddr2str((struct sockaddr *)rmconf->remote));
2078 return -1;
2079 }
2080 for (s = p->spspec; s != NULL; s = s->next) {
2081 /* XXX need more to check */
2082 if (s->algclass[algclass_isakmp_enc] == 0) {
2083 racoon_yyerror("encryption algorithm required.");
2084 return -1;
2085 }
2086 if (s->algclass[algclass_isakmp_hash] == 0) {
2087 racoon_yyerror("hash algorithm required.");
2088 return -1;
2089 }
2090 if (s->algclass[algclass_isakmp_dh] == 0) {
2091 racoon_yyerror("DH group required.");
2092 return -1;
2093 }
2094 if (s->algclass[algclass_isakmp_ameth] == 0) {
2095 racoon_yyerror("authentication method required.");
2096 return -1;
2097 }
2098 }
2099
2100 /* skip to last part */
2101 for (s = p->spspec; s->next != NULL; s = s->next)
2102 ;
2103
2104 while (s != NULL) {
2105 plog(ASL_LEVEL_DEBUG,
2106 "lifetime = %ld\n", (long)
2107 (s->lifetime ? s->lifetime : p->lifetime));
2108 plog(ASL_LEVEL_DEBUG,
2109 "lifebyte = %d\n",
2110 s->lifebyte ? s->lifebyte : p->lifebyte);
2111 plog(ASL_LEVEL_DEBUG,
2112 "encklen=%d\n", s->encklen);
2113
2114 memset(types, 0, ARRAYLEN(types));
2115 types[algclass_isakmp_enc] = s->algclass[algclass_isakmp_enc];
2116 types[algclass_isakmp_hash] = s->algclass[algclass_isakmp_hash];
2117 types[algclass_isakmp_dh] = s->algclass[algclass_isakmp_dh];
2118 types[algclass_isakmp_ameth] =
2119 s->algclass[algclass_isakmp_ameth];
2120
2121 /* expanding spspec */
2122 clean_tmpalgtype();
2123 trns_no = expand_isakmpspec(prop_no, trns_no, types,
2124 algclass_isakmp_enc, algclass_isakmp_ameth + 1,
2125 s->lifetime ? s->lifetime : p->lifetime,
2126 s->lifebyte ? s->lifebyte : p->lifebyte,
2127 s->encklen, s->vendorid, s->gssid,
2128 rmconf);
2129 if (trns_no == -1) {
2130 plog(ASL_LEVEL_ERR,
2131 "failed to expand isakmp proposal.\n");
2132 return -1;
2133 }
2134
2135 s = s->prev;
2136 }
2137
2138 if (rmconf->proposal == NULL) {
2139 plog(ASL_LEVEL_ERR,
2140 "no proposal found.\n");
2141 return -1;
2142 }
2143
2144 return 0;
2145 }
2146
2147 static void
2148 clean_tmpalgtype()
2149 {
2150 int i;
2151 for (i = 0; i < MAXALGCLASS; i++)
2152 tmpalgtype[i] = 0; /* means algorithm undefined. */
2153 }
2154
2155 static int
2156 expand_isakmpspec(prop_no, trns_no, types,
2157 class, last, lifetime, lifebyte, encklen, vendorid, gssid,
2158 rmconf)
2159 int prop_no, trns_no;
2160 int *types, class, last;
2161 time_t lifetime;
2162 int lifebyte;
2163 int encklen;
2164 int vendorid;
2165 char *gssid;
2166 struct remoteconf *rmconf;
2167 {
2168 struct isakmpsa *new;
2169
2170 /* debugging */
2171 {
2172 int j;
2173 char tb[10];
2174 plog(ASL_LEVEL_DEBUG,
2175 "p:%d t:%d\n", prop_no, trns_no);
2176 for (j = class; j < MAXALGCLASS; j++) {
2177 snprintf(tb, sizeof(tb), "%d", types[j]);
2178 plog(ASL_LEVEL_DEBUG,
2179 "%s%s%s%s\n",
2180 s_algtype(j, types[j]),
2181 types[j] ? "(" : "",
2182 tb[0] == '0' ? "" : tb,
2183 types[j] ? ")" : "");
2184 }
2185 plog(ASL_LEVEL_DEBUG, "\n");
2186 }
2187
2188 #define TMPALGTYPE2STR(n) \
2189 s_algtype(algclass_isakmp_##n, types[algclass_isakmp_##n])
2190 /* check mandatory values */
2191 if (types[algclass_isakmp_enc] == 0
2192 || types[algclass_isakmp_ameth] == 0
2193 || types[algclass_isakmp_dh] == 0) {
2194 racoon_yyerror("few definition of algorithm "
2195 "enc=%s ameth=%s hash=%s dhgroup=%s.\n",
2196 TMPALGTYPE2STR(enc),
2197 TMPALGTYPE2STR(ameth),
2198 TMPALGTYPE2STR(hash),
2199 TMPALGTYPE2STR(dh));
2200 return -1;
2201 }
2202 #undef TMPALGTYPE2STR
2203
2204 /* set new sa */
2205 new = newisakmpsa();
2206 if (new == NULL) {
2207 racoon_yyerror("failed to allocate isakmp sa");
2208 return -1;
2209 }
2210 new->prop_no = prop_no;
2211 new->trns_no = trns_no++;
2212 new->lifetime = lifetime;
2213 new->lifebyte = lifebyte;
2214 new->enctype = types[algclass_isakmp_enc];
2215 new->encklen = encklen;
2216 new->authmethod = types[algclass_isakmp_ameth];
2217 new->hashtype = types[algclass_isakmp_hash];
2218 new->prf = types[algclass_isakmp_hash];
2219 new->dh_group = types[algclass_isakmp_dh];
2220 new->vendorid = vendorid;
2221 insisakmpsa(new, rmconf);
2222
2223 return trns_no;
2224 }
2225
2226 static int
2227 listen_addr (struct sockaddr_storage *addr, int udp_encap)
2228 {
2229 struct myaddrs *p;
2230
2231 p = newmyaddr();
2232 if (p == NULL) {
2233 racoon_yyerror("failed to allocate myaddrs");
2234 return -1;
2235 }
2236 p->addr = addr;
2237 if (p->addr == NULL) {
2238 racoon_yyerror("failed to copy sockaddr_storage ");
2239 delmyaddr(p);
2240 return -1;
2241 }
2242 p->udp_encap = udp_encap;
2243 /* These need to be initialized for Apple modifications
2244 * to open code for isakmp sockets
2245 */
2246 p->sock = -1;
2247 p->in_use = 1;
2248
2249 insmyaddr(p, &lcconf->myaddrs);
2250
2251 lcconf->autograbaddr = 0;
2252 return 0;
2253 }
2254
2255 #if 0
2256 /*
2257 * fix lifebyte.
2258 * Must be more than 1024B because its unit is kilobytes.
2259 * That is defined RFC2407.
2260 */
2261 static int
2262 fix_lifebyte(t)
2263 unsigned long t;
2264 {
2265 if (t < 1024) {
2266 racoon_yyerror("byte size should be more than 1024B.");
2267 return 0;
2268 }
2269
2270 return(t / 1024);
2271 }
2272 #endif
2273
2274 int
2275 cfparse()
2276 {
2277 int error;
2278
2279 plog(ASL_LEVEL_DEBUG, "===== parsing configuration\n");
2280
2281 yycf_init_buffer();
2282
2283 if (yycf_switch_buffer(lcconf->racoon_conf) != 0) {
2284 IPSECCONFIGTRACEREVENT(CONSTSTR(lcconf->racoon_conf),
2285 IPSECCONFIGEVENTCODE_PARSE_ERROR,
2286 CONSTSTR("could not read configuration file"),
2287 CONSTSTR("cfparse: yycf_switch_buffer erred"));
2288 plog(ASL_LEVEL_ERR,
2289 "could not read configuration file \"%s\"\n",
2290 lcconf->racoon_conf);
2291 return -1;
2292 }
2293
2294 error = yyparse();
2295 if (error != 0) {
2296 if (yyerrorcount) {
2297 plog(ASL_LEVEL_ERR,
2298 "fatal parse failure (%d errors)\n",
2299 yyerrorcount);
2300 } else {
2301 plog(ASL_LEVEL_ERR,
2302 "fatal parse failure.\n");
2303 }
2304 IPSECCONFIGTRACEREVENT(CONSTSTR(lcconf->racoon_conf),
2305 IPSECCONFIGEVENTCODE_PARSE_ERROR,
2306 CONSTSTR("fatal parse failure"),
2307 CONSTSTR("cfparse: yyparse erred"));
2308 yycf_clean_buffer();
2309 return -1;
2310 }
2311
2312 if (error == 0 && yyerrorcount) {
2313 plog(ASL_LEVEL_ERR,
2314 "parse error is nothing, but yyerrorcount is %d.\n",
2315 yyerrorcount);
2316 IPSECCONFIGTRACEREVENT(CONSTSTR(lcconf->racoon_conf),
2317 IPSECCONFIGEVENTCODE_PARSE_ERROR,
2318 CONSTSTR("ambivalent error code"),
2319 CONSTSTR("cfparse: error == 0 && yerrorcount"));
2320 yycf_clean_buffer();
2321 exit(1);
2322 }
2323
2324 yycf_clean_buffer();
2325
2326 plog(ASL_LEVEL_DEBUG, "parse succeeded.\n");
2327
2328 return 0;
2329 }
2330
2331 int
2332 cfreparse(int sig)
2333 {
2334 int result;
2335 int ignore_estab_or_assert_handles = (sig == SIGUSR1);
2336
2337 if (sig >= 0 && sig < NSIG) {
2338 plog(ASL_LEVEL_DEBUG, "==== Got %s signal - re-parsing configuration.\n", sys_signame[sig]);
2339 } else {
2340 plog(ASL_LEVEL_ERR, "==== Got Unknown signal - re-parsing configuration.\n");
2341 IPSECCONFIGTRACEREVENT(CONSTSTR("reparse"),
2342 IPSECCONFIGEVENTCODE_REPARSE_ERROR,
2343 CONSTSTR("Unknown signal"),
2344 CONSTSTR("cfreparse: triggered by unknown signal"));
2345 }
2346 plog(ASL_LEVEL_DEBUG, "==== %s sessions.\n", ignore_estab_or_assert_handles? "flush negotiating" : "flush all");
2347
2348 ike_session_flush_all_phase2(ignore_estab_or_assert_handles);
2349 ike_session_flush_all_phase1(ignore_estab_or_assert_handles);
2350 flushrmconf();
2351 flushsainfo();
2352 check_auto_exit(); /* check/change state of auto exit */
2353 clean_tmpalgtype();
2354 savelcconf();
2355 result = cfparse();
2356 restorelcconf();
2357 return result;
2358 }
2359
2360
mirror of ipsec