ipsec-tools/racoon/cftoken.l

   1 /*      $NetBSD: cftoken.l,v 1.11.4.1 2007/08/01 11:52:20 vanhu Exp $   */
   2
   3 /* Id: cftoken.l,v 1.53 2006/08/22 18:17:17 manubsd Exp */
   4 %option noyywrap
   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/socket.h>
  40
  41 #include <netinet/in.h>
  42 #ifdef HAVE_NETINET6_IPSEC
  43 #  include <netinet6/ipsec.h>
  44 #else
  45 #  include <netinet/ipsec.h>
  46 #endif
  47
  48 #include <stdlib.h>
  49 #include <stdio.h>
  50 #include <string.h>
  51 #include <errno.h>
  52 #include <limits.h>
  53 #include <ctype.h>
  54 #include <glob.h>
  55 #ifdef HAVE_STDARG_H
  56 #include <stdarg.h>
  57 #else
  58 #include <varargs.h>
  59 #endif
  60
  61 //%%% BUG FIX - 2 missing include files when not using
  62 // the bison files
  63 #ifdef HAVE_OPENSSL
  64 #include <openssl/bn.h>
  65 #include <openssl/rsa.h>
  66 #endif
  67
  68 #include "var.h"
  69 #include "misc.h"
  70 #include "vmbuf.h"
  71 #include "plog.h"
  72 #include "debug.h"
  73
  74 #include "algorithm.h"
  75 #include "cfparse_proto.h"
  76 #include "cftoken_proto.h"
  77 #include "localconf.h"
  78 #include "oakley.h"
  79 #include "isakmp_var.h"
  80 #include "isakmp.h"
  81 #include "ipsec_doi.h"
  82 #include "policy.h"
  83 #include "proposal.h"
  84 #include "remoteconf.h"
  85 #include "nattraversal.h"
  86 #ifdef GC
  87 #include "gcmalloc.h"
  88 #endif
  89
  90 #include "y.tab.h"
  91
  92 int yyerrorcount = 0;
  93
  94 #if defined(YIPS_DEBUG)
  95 #  define YYDB plog(ASL_LEVEL_DEBUG,                                \
  96                 "begin <%d>%s\n", yy_start, yytext);
  97 #  define YYD {                                                                \
  98         plog(ASL_LEVEL_DEBUG, "<%d>%s",                             \
  99             yy_start, loglevel >= ASL_LEVEL_DEBUG ? "\n" : "");                     \
 100 }
 101 #else
 102 #  define YYDB
 103 #  define YYD
 104 #endif /* defined(YIPS_DEBUG) */
 105
 106 #define MAX_INCLUDE_DEPTH 10
 107
 108 static struct include_stack {
 109         char *path;
 110         FILE *fp;
 111         YY_BUFFER_STATE prevstate;
 112         int lineno;
 113         glob_t matches;
 114         int matchon;
 115 } incstack[MAX_INCLUDE_DEPTH];
 116 static int incstackp = 0;
 117
 118 static int yy_first_time = 1;
 119 %}
 120
 121 /* common section */
 122 nl              \n
 123 ws              [ \t]+
 124 digit           [0-9]
 125 letter          [A-Za-z]
 126 hexdigit        [0-9A-Fa-f]
 127 /*octet         (([01]?{digit}?{digit})|((2([0-4]{digit}))|(25[0-5]))) */
 128 special         [()+\|\?\*]
 129 comma           \,
 130 dot             \.
 131 slash           \/
 132 bcl             \{
 133 ecl             \}
 134 blcl            \[
 135 elcl            \]
 136 hyphen          \-
 137 percent         \%
 138 semi            \;
 139 comment         \#.*
 140 ccomment        "/*"
 141 bracketstring   \<[^>]*\>
 142 quotedstring    \"[^"]*\"
 143 addrstring      [a-fA-F0-9:]([a-fA-F0-9:\.]*|[a-fA-F0-9:\.]*%[a-zA-Z0-9]*)
 144 decstring       {digit}+
 145 hexstring       0x{hexdigit}+
 146
 147 %s S_INI S_PRIV S_PTH S_INF S_LOG S_PAD S_LST S_RTRY S_CFG
 148 %s S_ALGST S_ALGCL
 149 %s S_SAINF S_SAINFS
 150 %s S_RMT S_RMTS S_RMTP
 151 %s S_SA
 152 %s S_GSSENC
 153
 154 %%
 155 %{
 156         if (yy_first_time) {
 157                 BEGIN S_INI;
 158                 yy_first_time = 0;
 159         }
 160 %}
 161
 162
 163         /* path */
 164 <S_INI>path             { BEGIN S_PTH; YYDB; return(PATH); }
 165 <S_PTH>include          { YYD; yylval.num = LC_PATHTYPE_INCLUDE;
 166                                 return(PATHTYPE); }
 167 <S_PTH>pre_shared_key   { YYD; yylval.num = LC_PATHTYPE_PSK;
 168                                 return(PATHTYPE); }
 169 <S_PTH>certificate      { YYD; yylval.num = LC_PATHTYPE_CERT;
 170                                 return(PATHTYPE); }
 171 <S_PTH>pidfile          { YYD; yylval.num = LC_PATHTYPE_PIDFILE;
 172                                 return(PATHTYPE); }
 173 <S_PTH>logfile          { YYD; yylval.num = LC_PATHTYPE_LOGFILE;
 174                                 return(PATHTYPE); }
 175 <S_PTH>{semi}           { BEGIN S_INI; YYDB; return(EOS); }
 176
 177         /* include */
 178 <S_INI>include          { YYDB; return(INCLUDE); }
 179
 180         /* self information */
 181 <S_INI>identifier       { BEGIN S_INF; YYDB; racoon_yywarn("it is obsoleted.  use \"my_identifier\" in each remote directives."); return(IDENTIFIER); }
 182 <S_INF>{semi}           { BEGIN S_INI; return(EOS); }
 183
 184         /* special */
 185 <S_INI>complex_bundle   { YYDB; return(COMPLEX_BUNDLE); }
 186
 187         /* logging */
 188 <S_INI>log              { BEGIN S_LOG; YYDB; return(LOGGING); }
 189 <S_LOG>error            { YYD; yylval.num = ASL_LEVEL_ERR; return(LOGLEV); }
 190 <S_LOG>warning          { YYD; yylval.num = ASL_LEVEL_WARNING; return(LOGLEV); }
 191 <S_LOG>notify           { YYD; yylval.num = ASL_LEVEL_NOTICE; return(LOGLEV); }
 192 <S_LOG>info             { YYD; yylval.num = ASL_LEVEL_INFO; return(LOGLEV); }
 193 <S_LOG>debug            { YYD; yylval.num = ASL_LEVEL_DEBUG; return(LOGLEV); }
 194 <S_LOG>debug2           { YYD; yylval.num = ASL_LEVEL_DEBUG; return(LOGLEV); }
 195 <S_LOG>debug3           { YYD; racoon_yywarn("it is obsoleted.  use \"debug2\""); yylval.num = ASL_LEVEL_DEBUG; return(LOGLEV); }
 196 <S_LOG>debug4           { YYD; racoon_yywarn("it is obsoleted.  use \"debug2\""); yylval.num = ASL_LEVEL_DEBUG; return(LOGLEV); }
 197 <S_LOG>{semi}           { BEGIN S_INI; return(EOS); }
 198
 199         /* padding */
 200 <S_INI>padding          { BEGIN S_PAD; YYDB; return(PADDING); }
 201 <S_PAD>{bcl}            { return(BOC); }
 202 <S_PAD>randomize        { YYD; return(PAD_RANDOMIZE); }
 203 <S_PAD>randomize_length { YYD; return(PAD_RANDOMIZELEN); }
 204 <S_PAD>maximum_length   { YYD; return(PAD_MAXLEN); }
 205 <S_PAD>strict_check     { YYD; return(PAD_STRICT); }
 206 <S_PAD>exclusive_tail   { YYD; return(PAD_EXCLTAIL); }
 207 <S_PAD>{ecl}            { BEGIN S_INI; return(EOC); }
 208
 209         /* listen */
 210 <S_INI>listen           { BEGIN S_LST; YYDB; return(LISTEN); }
 211 <S_LST>{bcl}            { return(BOC); }
 212 <S_LST>isakmp           { YYD; return(X_ISAKMP); }
 213 <S_LST>isakmp_natt      { YYD; return(X_ISAKMP_NATT); }
 214 <S_LST>admin            { YYD; return(X_ADMIN); }
 215 <S_LST>adminsock        { YYD; return(ADMINSOCK); }
 216 <S_LST>disabled         { YYD; return(DISABLED); }
 217 <S_LST>strict_address   { YYD; return(STRICT_ADDRESS); }
 218 <S_LST>{ecl}            { BEGIN S_INI; return(EOC); }
 219
 220         /* mode_cfg */
 221 <S_INI>mode_cfg         { BEGIN S_CFG; YYDB; return(MODECFG); }
 222 <S_CFG>{bcl}            { return(BOC); }
 223 <S_CFG>network4         { YYD; return(CFG_NET4); }
 224 <S_CFG>netmask4         { YYD; return(CFG_MASK4); }
 225 <S_CFG>dns4             { YYD; return(CFG_DNS4); }
 226 <S_CFG>wins4            { YYD; return(CFG_NBNS4); }
 227 <S_CFG>default_domain   { YYD; return(CFG_DEFAULT_DOMAIN); }
 228 <S_CFG>auth_source      { YYD; return(CFG_AUTH_SOURCE); }
 229 <S_CFG>auth_groups      { YYD; return(CFG_AUTH_GROUPS); }
 230 <S_CFG>group_source     { YYD; return(CFG_GROUP_SOURCE); }
 231 <S_CFG>conf_source      { YYD; return(CFG_CONF_SOURCE); }
 232 <S_CFG>accounting       { YYD; return(CFG_ACCOUNTING); }
 233 <S_CFG>system           { YYD; return(CFG_SYSTEM); }
 234 <S_CFG>local            { YYD; return(CFG_LOCAL); }
 235 <S_CFG>none             { YYD; return(CFG_NONE); }
 236 <S_CFG>radius           { YYD; return(CFG_RADIUS); }
 237 <S_CFG>pam              { YYD; return(CFG_PAM); }
 238 <S_CFG>pool_size        { YYD; return(CFG_POOL_SIZE); }
 239 <S_CFG>banner           { YYD; return(CFG_MOTD); }
 240 <S_CFG>auth_throttle    { YYD; return(CFG_AUTH_THROTTLE); }
 241 <S_CFG>split_network    { YYD; return(CFG_SPLIT_NETWORK); }
 242 <S_CFG>local_lan        { YYD; return(CFG_SPLIT_LOCAL); }
 243 <S_CFG>include          { YYD; return(CFG_SPLIT_INCLUDE); }
 244 <S_CFG>split_dns        { YYD; return(CFG_SPLIT_DNS); }
 245 <S_CFG>pfs_group        { YYD; return(CFG_PFS_GROUP); }
 246 <S_CFG>save_passwd      { YYD; return(CFG_SAVE_PASSWD); }
 247 <S_CFG>{comma}          { YYD; return(COMMA); }
 248 <S_CFG>{ecl}            { BEGIN S_INI; return(EOC); }
 249
 250         /* timer */
 251 <S_INI>timer            { BEGIN S_RTRY; YYDB; return(RETRY); }
 252 <S_RTRY>{bcl}           { return(BOC); }
 253 <S_RTRY>counter         { YYD; return(RETRY_COUNTER); }
 254 <S_RTRY>interval        { YYD; return(RETRY_INTERVAL); }
 255 <S_RTRY>persend         { YYD; return(RETRY_PERSEND); }
 256 <S_RTRY>phase1          { YYD; return(RETRY_PHASE1); }
 257 <S_RTRY>phase2          { YYD; return(RETRY_PHASE2); }
 258 <S_RTRY>natt_keepalive  { YYD; return(NATT_KA); }
 259 <S_RTRY>auto_exit_delay { YYD; return(AUTO_EXIT_DELAY); }
 260 <S_RTRY>{ecl}           { BEGIN S_INI; return(EOC); }
 261
 262         /* sainfo */
 263 <S_INI>sainfo           { BEGIN S_SAINF; YYDB; return(SAINFO); }
 264 <S_SAINF>anonymous      { YYD; return(ANONYMOUS); }
 265 <S_SAINF>{blcl}any{elcl}        { YYD; return(PORTANY); }
 266 <S_SAINF>any            { YYD; return(ANY); }
 267 <S_SAINF>from           { YYD; return(FROM); }
 268 <S_SAINF>group          { YYD; return(GROUP); }
 269         /* sainfo spec */
 270 <S_SAINF>{bcl}          { BEGIN S_SAINFS; return(BOC); }
 271 <S_SAINF>{semi}         { BEGIN S_INI; return(EOS); }
 272 <S_SAINFS>{ecl}         { BEGIN S_INI; return(EOC); }
 273 <S_SAINFS>pfs_group     { YYD; return(PFS_GROUP); }
 274 <S_SAINFS>remoteid      { YYD; return(REMOTEID); }
 275 <S_SAINFS>identifier    { YYD; racoon_yywarn("it is obsoleted.  use \"my_identifier\"."); return(IDENTIFIER); }
 276 <S_SAINFS>my_identifier { YYD; return(MY_IDENTIFIER); }
 277 <S_SAINFS>lifetime      { YYD; return(LIFETIME); }
 278 <S_SAINFS>time          { YYD; return(LIFETYPE_TIME); }
 279 <S_SAINFS>byte          { YYD; return(LIFETYPE_BYTE); }
 280 <S_SAINFS>encryption_algorithm { YYD; yylval.num = algclass_ipsec_enc; return(ALGORITHM_CLASS); }
 281 <S_SAINFS>authentication_algorithm { YYD; yylval.num = algclass_ipsec_auth; return(ALGORITHM_CLASS); }
 282 <S_SAINFS>compression_algorithm { YYD; yylval.num = algclass_ipsec_comp; return(ALGORITHM_CLASS); }
 283 <S_SAINFS>{comma}       { YYD; return(COMMA); }
 284
 285         /* remote */
 286 <S_INI>remote           { BEGIN S_RMT; YYDB; return(REMOTE); }
 287 <S_RMT>anonymous        { YYD; return(ANONYMOUS); }
 288 <S_RMT>inherit          { YYD; return(INHERIT); }
 289         /* remote spec */
 290 <S_RMT>{bcl}            { BEGIN S_RMTS; return(BOC); }
 291 <S_RMTS>{ecl}           { BEGIN S_INI; return(EOC); }
 292 <S_RMTS>exchange_mode   { YYD; return(EXCHANGE_MODE); }
 293 <S_RMTS>{comma}         { YYD; /* XXX ignored, but to be handled. */ ; }
 294 <S_RMTS>main            { YYD; yylval.num = ISAKMP_ETYPE_IDENT; return(EXCHANGETYPE); }
 295 <S_RMTS>aggressive      { YYD; yylval.num = ISAKMP_ETYPE_AGG; return(EXCHANGETYPE); }
 296 <S_RMTS>doi             { YYD; return(DOI); }
 297 <S_RMTS>ipsec_doi       { YYD; yylval.num = IPSEC_DOI; return(DOITYPE); }
 298 <S_RMTS>situation       { YYD; return(SITUATION); }
 299 <S_RMTS>ike_version     { YYD; return(IKE_VERSION); }
 300 <S_RMTS>identity_only   { YYD; yylval.num = IPSECDOI_SIT_IDENTITY_ONLY; return(SITUATIONTYPE); }
 301 <S_RMTS>secrecy         { YYD; yylval.num = IPSECDOI_SIT_SECRECY; return(SITUATIONTYPE); }
 302 <S_RMTS>integrity       { YYD; yylval.num = IPSECDOI_SIT_INTEGRITY; return(SITUATIONTYPE); }
 303 <S_RMTS>identifier      { YYD; racoon_yywarn("it is obsoleted.  use \"my_identifier\"."); return(IDENTIFIER); }
 304 <S_RMTS>my_identifier   { YYD; return(MY_IDENTIFIER); }
 305 <S_RMTS>xauth_login     { YYD; return(XAUTH_LOGIN); /* formerly identifier type login */ }
 306 <S_RMTS>peers_identifier        { YYD; return(PEERS_IDENTIFIER); }
 307 <S_RMTS>verify_identifier       { YYD; return(VERIFY_IDENTIFIER); }
 308 <S_RMTS>local_address   { YYD; return(LOCAL_ADDRESS); }
 309 <S_RMTS>certificate_type        { YYD; return(CERTIFICATE_TYPE); }
 310 <S_RMTS>ca_type         { YYD; return(CA_TYPE); }
 311 <S_RMTS>x509            { YYD; yylval.num = ISAKMP_CERT_X509SIGN; return(CERT_X509); }
 312 <S_RMTS>plain_rsa       {
 313         racoon_yyerror("plainrsa not supported.");
 314 }
 315 <S_RMTS>open_dir_auth_group     {
 316 #if HAVE_OPENDIR
 317         YYD;
 318         return(OPEN_DIR_AUTH_GROUP);
 319 #else
 320         racoon_yyerror("Apple specific features not compiled in.");
 321 #endif
 322 }
 323 <S_RMTS>shared_secret {
 324         YYD;
 325         return(SHARED_SECRET);
 326 }
 327 <S_RMTS>in_keychain {
 328         YYD;
 329         return(IN_KEYCHAIN);
 330 }
 331 <S_RMTS>certificate_verification {
 332         YYD;
 333         return(CERTIFICATE_VERIFICATION);
 334 }
 335 <S_RMTS>peers_certfile  { YYD; return(PEERS_CERTFILE); }
 336 <S_RMTS>dnssec          { YYD; return(DNSSEC); }
 337 <S_RMTS>verify_cert     { YYD; return(VERIFY_CERT); }
 338 <S_RMTS>send_cert       { YYD; return(SEND_CERT); }
 339 <S_RMTS>send_cr         { YYD; return(SEND_CR); }
 340 <S_RMTS>dh_group        { YYD; return(DH_GROUP); }
 341 <S_RMTS>nonce_size      { YYD; return(NONCE_SIZE); }
 342 <S_RMTS>generate_policy { YYD; return(GENERATE_POLICY); }
 343 <S_RMTS>support_mip6    { YYD; racoon_yywarn("it is obsoleted.  use \"support_proxy\"."); return(SUPPORT_PROXY); }
 344 <S_RMTS>support_proxy   { YYD; return(SUPPORT_PROXY); }
 345 <S_RMTS>initial_contact { YYD; return(INITIAL_CONTACT); }
 346 <S_RMTS>nat_traversal   { YYD; return(NAT_TRAVERSAL); }
 347 <S_RMTS>force           { YYD; yylval.num = NATT_FORCE; return(NAT_TRAVERSAL_LEVEL); }
 348 <S_RMTS>nat_traversal_multi_user {
 349         YYD;
 350         return(NAT_TRAVERSAL_MULTI_USER);
 351 }
 352 <S_RMTS>nat_traversal_keepalive {
 353         YYD;
 354         return(NAT_TRAVERSAL_KEEPALIVE);
 355 }
 356 <S_RMTS>proposal_check  { YYD; return(PROPOSAL_CHECK); }
 357 <S_RMTS>obey            { YYD; yylval.num = PROP_CHECK_OBEY; return(PROPOSAL_CHECK_LEVEL); }
 358 <S_RMTS>strict          { YYD; yylval.num = PROP_CHECK_STRICT; return(PROPOSAL_CHECK_LEVEL); }
 359 <S_RMTS>exact           { YYD; yylval.num = PROP_CHECK_EXACT; return(PROPOSAL_CHECK_LEVEL); }
 360 <S_RMTS>claim           { YYD; yylval.num = PROP_CHECK_CLAIM; return(PROPOSAL_CHECK_LEVEL); }
 361 <S_RMTS>keepalive       { YYD; return(KEEPALIVE); }
 362 <S_RMTS>passive         { YYD; return(PASSIVE); }
 363 <S_RMTS>lifetime        { YYD; return(LIFETIME); }
 364 <S_RMTS>time            { YYD; return(LIFETYPE_TIME); }
 365 <S_RMTS>byte            { YYD; return(LIFETYPE_BYTE); }
 366 <S_RMTS>dpd                     { YYD; return(DPD); }
 367 <S_RMTS>dpd_delay       { YYD; return(DPD_DELAY); }
 368 <S_RMTS>dpd_retry       { YYD; return(DPD_RETRY); }
 369 <S_RMTS>dpd_maxfail     { YYD; return(DPD_MAXFAIL); }
 370 <S_RMTS>dpd_algorithm   { YYD; return(DPD_ALGORITHM); }
 371 <S_RMTS>disconnect_on_idle { YYD; return(DISCONNECT_ON_IDLE); }
 372 <S_RMTS>idle_timeout { YYD; return(IDLE_TIMEOUT); }
 373 <S_RMTS>idle_direction { YYD; return(IDLE_DIRECTION); }
 374 <S_RMTS>ike_frag        { YYD; return(IKE_FRAG); }
 375 <S_RMTS>esp_frag        { YYD; return(ESP_FRAG); }
 376 <S_RMTS>mode_cfg        { YYD; return(MODE_CFG); }
 377 <S_RMTS>weak_phase1_check { YYD; return(WEAK_PHASE1_CHECK); }
 378         /* remote proposal */
 379 <S_RMTS>proposal        { BEGIN S_RMTP; YYDB; return(PROPOSAL); }
 380 <S_RMTP>{bcl}           { return(BOC); }
 381 <S_RMTP>{ecl}           { BEGIN S_RMTS; return(EOC); }
 382 <S_RMTP>lifetime        { YYD; return(LIFETIME); }
 383 <S_RMTP>time            { YYD; return(LIFETYPE_TIME); }
 384 <S_RMTP>byte            { YYD; return(LIFETYPE_BYTE); }
 385 <S_RMTP>encryption_algorithm { YYD; yylval.num = algclass_isakmp_enc; return(ALGORITHM_CLASS); }
 386 <S_RMTP>authentication_method { YYD; yylval.num = algclass_isakmp_ameth; return(ALGORITHM_CLASS); }
 387 <S_RMTP>hash_algorithm  { YYD; yylval.num = algclass_isakmp_hash; return(ALGORITHM_CLASS); }
 388 <S_RMTP>dh_group        { YYD; return(DH_GROUP); }
 389 <S_RMTP>gss_id          { YYD; return(GSS_ID); }
 390 <S_RMTP>gssapi_id       { YYD; return(GSS_ID); } /* for back compatibility */
 391
 392         /* GSS ID encoding type (global) */
 393 <S_INI>gss_id_enc       { BEGIN S_GSSENC; YYDB; return(GSS_ID_ENC); }
 394 <S_GSSENC>latin1        { YYD; yylval.num = LC_GSSENC_LATIN1;
 395                                 return(GSS_ID_ENCTYPE); }
 396 <S_GSSENC>utf-16le      { YYD; yylval.num = LC_GSSENC_UTF16LE;
 397                                 return(GSS_ID_ENCTYPE); }
 398 <S_GSSENC>{semi}        { BEGIN S_INI; YYDB; return(EOS); }
 399
 400         /* parameter */
 401 on              { YYD; yylval.num = TRUE; return(SWITCH); }
 402 off             { YYD; yylval.num = FALSE; return(SWITCH); }
 403
 404         /* prefix */
 405 {slash}({digit}{1,3}) {
 406                         YYD;
 407                         yytext++;
 408                         yylval.num = atoi(yytext);
 409                         return(PREFIX);
 410                 }
 411
 412         /* port number */
 413 {blcl}{decstring}{elcl} {
 414                         char *p = yytext;
 415                         YYD;
 416                         while (*++p != ']') ;
 417                         *p = 0;
 418                         yytext++;
 419                         yylval.num = atoi(yytext);
 420                         return(PORT);
 421                 }
 422
 423         /* address range */
 424 {hyphen}{addrstring} {
 425                         YYD;
 426                         yytext++;
 427                         yylval.val = vmalloc(yyleng + 1);
 428                         if (yylval.val == NULL) {
 429                                 racoon_yyerror("vmalloc failed");
 430                                 return -1;
 431                         }
 432                         memcpy(yylval.val->v, yytext, yylval.val->l);
 433                         return(ADDRRANGE);
 434                 }
 435
 436         /* upper protocol */
 437 esp             { YYD; yylval.num = IPPROTO_ESP; return(UL_PROTO); }
 438 ah              { YYD; yylval.num = IPPROTO_AH; return(UL_PROTO); }
 439 ipcomp          { YYD; yylval.num = IPPROTO_IPCOMP; return(UL_PROTO); }
 440 icmp            { YYD; yylval.num = IPPROTO_ICMP; return(UL_PROTO); }
 441 icmp6           { YYD; yylval.num = IPPROTO_ICMPV6; return(UL_PROTO); }
 442 tcp             { YYD; yylval.num = IPPROTO_TCP; return(UL_PROTO); }
 443 udp             { YYD; yylval.num = IPPROTO_UDP; return(UL_PROTO); }
 444
 445         /* algorithm type */
 446 des_iv64        { YYD; yylval.num = algtype_des_iv64;   return(ALGORITHMTYPE); }
 447 des             { YYD; yylval.num = algtype_des;        return(ALGORITHMTYPE); }
 448 3des            { YYD; yylval.num = algtype_3des;       return(ALGORITHMTYPE); }
 449 rc5             { YYD; yylval.num = algtype_rc5;        return(ALGORITHMTYPE); }
 450 idea            { YYD; yylval.num = algtype_idea;       return(ALGORITHMTYPE); }
 451 cast128         { YYD; yylval.num = algtype_cast128;    return(ALGORITHMTYPE); }
 452 blowfish        { YYD; yylval.num = algtype_blowfish;   return(ALGORITHMTYPE); }
 453 3idea           { YYD; yylval.num = algtype_3idea;      return(ALGORITHMTYPE); }
 454 des_iv32        { YYD; yylval.num = algtype_des_iv32;   return(ALGORITHMTYPE); }
 455 rc4             { YYD; yylval.num = algtype_rc4;        return(ALGORITHMTYPE); }
 456 null_enc        { YYD; yylval.num = algtype_null_enc;   return(ALGORITHMTYPE); }
 457 null            { YYD; yylval.num = algtype_null_enc;   return(ALGORITHMTYPE); }
 458 aes             { YYD; yylval.num = algtype_aes;        return(ALGORITHMTYPE); }
 459 rijndael        { YYD; yylval.num = algtype_aes;        return(ALGORITHMTYPE); }
 460 twofish         { YYD; yylval.num = algtype_twofish;    return(ALGORITHMTYPE); }
 461 non_auth        { YYD; yylval.num = algtype_non_auth;   return(ALGORITHMTYPE); }
 462 hmac_md5        { YYD; yylval.num = algtype_hmac_md5_128;       return(ALGORITHMTYPE); }
 463 hmac_sha1       { YYD; yylval.num = algtype_hmac_sha1_160;      return(ALGORITHMTYPE); }
 464 hmac_sha2_256   { YYD; yylval.num = algtype_hmac_sha2_256;      return(ALGORITHMTYPE); }
 465 hmac_sha256     { YYD; yylval.num = algtype_hmac_sha2_256;      return(ALGORITHMTYPE); }
 466 hmac_sha2_384   { YYD; yylval.num = algtype_hmac_sha2_384;      return(ALGORITHMTYPE); }
 467 hmac_sha384     { YYD; yylval.num = algtype_hmac_sha2_384;      return(ALGORITHMTYPE); }
 468 hmac_sha2_512   { YYD; yylval.num = algtype_hmac_sha2_512;      return(ALGORITHMTYPE); }
 469 hmac_sha512     { YYD; yylval.num = algtype_hmac_sha2_512;      return(ALGORITHMTYPE); }
 470 hmac_md5_96     { YYD; yylval.num = algtype_hmac_md5_96;        return(ALGORITHMTYPE); }
 471 hmac_sha1_96    { YYD; yylval.num = algtype_hmac_sha1_96;       return(ALGORITHMTYPE); }
 472 des_mac         { YYD; yylval.num = algtype_des_mac;    return(ALGORITHMTYPE); }
 473 kpdk            { YYD; yylval.num = algtype_kpdk;       return(ALGORITHMTYPE); }
 474 md5             { YYD; yylval.num = algtype_md5;        return(ALGORITHMTYPE); }
 475 sha1            { YYD; yylval.num = algtype_sha1;       return(ALGORITHMTYPE); }
 476 tiger           { YYD; yylval.num = algtype_tiger;      return(ALGORITHMTYPE); }
 477 sha2_256        { YYD; yylval.num = algtype_sha2_256;   return(ALGORITHMTYPE); }
 478 sha256          { YYD; yylval.num = algtype_sha2_256;   return(ALGORITHMTYPE); }
 479 sha2_384        { YYD; yylval.num = algtype_sha2_384;   return(ALGORITHMTYPE); }
 480 sha384          { YYD; yylval.num = algtype_sha2_384;   return(ALGORITHMTYPE); }
 481 sha2_512        { YYD; yylval.num = algtype_sha2_512;   return(ALGORITHMTYPE); }
 482 sha512          { YYD; yylval.num = algtype_sha2_512;   return(ALGORITHMTYPE); }
 483 oui             { YYD; yylval.num = algtype_oui;        return(ALGORITHMTYPE); }
 484 deflate         { YYD; yylval.num = algtype_deflate;    return(ALGORITHMTYPE); }
 485 lzs             { YYD; yylval.num = algtype_lzs;        return(ALGORITHMTYPE); }
 486 modp768         { YYD; yylval.num = algtype_modp768;    return(ALGORITHMTYPE); }
 487 modp1024        { YYD; yylval.num = algtype_modp1024;   return(ALGORITHMTYPE); }
 488 modp1536        { YYD; yylval.num = algtype_modp1536;   return(ALGORITHMTYPE); }
 489 ec2n155         { YYD; yylval.num = algtype_ec2n155;    return(ALGORITHMTYPE); }
 490 ec2n185         { YYD; yylval.num = algtype_ec2n185;    return(ALGORITHMTYPE); }
 491 modp2048        { YYD; yylval.num = algtype_modp2048;   return(ALGORITHMTYPE); }
 492 modp3072        { YYD; yylval.num = algtype_modp3072;   return(ALGORITHMTYPE); }
 493 modp4096        { YYD; yylval.num = algtype_modp4096;   return(ALGORITHMTYPE); }
 494 modp6144        { YYD; yylval.num = algtype_modp6144;   return(ALGORITHMTYPE); }
 495 modp8192        { YYD; yylval.num = algtype_modp8192;   return(ALGORITHMTYPE); }
 496 pre_shared_key  { YYD; yylval.num = algtype_psk;        return(ALGORITHMTYPE); }
 497 rsasig          { YYD; yylval.num = algtype_rsasig;     return(ALGORITHMTYPE); }
 498 dsssig          { YYD; yylval.num = algtype_dsssig;     return(ALGORITHMTYPE); }
 499 rsaenc          { YYD; yylval.num = algtype_rsaenc;     return(ALGORITHMTYPE); }
 500 rsarev          { YYD; yylval.num = algtype_rsarev;     return(ALGORITHMTYPE); }
 501 gssapi_krb      { YYD; yylval.num = algtype_gssapikrb;  return(ALGORITHMTYPE); }
 502 hybrid_rsa_server {
 503 #ifdef ENABLE_HYBRID
 504         YYD; yylval.num = algtype_hybrid_rsa_s; return(ALGORITHMTYPE);
 505 #else
 506         racoon_yyerror("racoon not configured with --enable-hybrid");
 507 #endif
 508 }
 509 hybrid_dss_server {
 510 #ifdef ENABLE_HYBRID
 511         YYD; yylval.num = algtype_hybrid_dss_s; return(ALGORITHMTYPE);
 512 #else
 513         racoon_yyerror("racoon not configured with --enable-hybrid");
 514 #endif
 515 }
 516 hybrid_rsa_client {
 517 #ifdef ENABLE_HYBRID
 518         YYD; yylval.num = algtype_hybrid_rsa_c; return(ALGORITHMTYPE);
 519 #else
 520         racoon_yyerror("racoon not configured with --enable-hybrid");
 521 #endif
 522 }
 523 hybrid_dss_client {
 524 #ifdef ENABLE_HYBRID
 525         YYD; yylval.num = algtype_hybrid_dss_c; return(ALGORITHMTYPE);
 526 #else
 527         racoon_yyerror("racoon not configured with --enable-hybrid");
 528 #endif
 529 }
 530
 531 xauth_psk_server {
 532 #ifdef ENABLE_HYBRID
 533         YYD; yylval.num = algtype_xauth_psk_s; return(ALGORITHMTYPE);
 534 #else
 535         racoon_yyerror("racoon not configured with --enable-hybrid");
 536 #endif
 537 }
 538 xauth_psk_client {
 539 #ifdef ENABLE_HYBRID
 540         YYD; yylval.num = algtype_xauth_psk_c; return(ALGORITHMTYPE);
 541 #else
 542         racoon_yyerror("racoon not configured with --enable-hybrid");
 543 #endif
 544 }
 545 xauth_rsa_server {
 546 #ifdef ENABLE_HYBRID
 547         YYD; yylval.num = algtype_xauth_rsa_s; return(ALGORITHMTYPE);
 548 #else
 549         racoon_yyerror("racoon not configured with --enable-hybrid");
 550 #endif
 551 }
 552 xauth_rsa_client {
 553 #ifdef ENABLE_HYBRID
 554         YYD; yylval.num = algtype_xauth_rsa_c; return(ALGORITHMTYPE);
 555 #else
 556         racoon_yyerror("racoon not configured with --enable-hybrid");
 557 #endif
 558 }
 559 eap_psk_client {
 560     #ifdef ENABLE_HYBRID
 561         YYD; yylval.num = algtype_eap_psk_c; return(ALGORITHMTYPE);
 562     #else
 563         racoon_yyerror("racoon not configured with --enable-hybrid");
 564     #endif
 565 }
 566 eap_rsa_client {
 567     #ifdef ENABLE_HYBRID
 568         YYD; yylval.num = algtype_eap_rsa_c; return(ALGORITHMTYPE);
 569     #else
 570         racoon_yyerror("racoon not configured with --enable-hybrid");
 571     #endif
 572 }
 573
 574
 575
 576         /* identifier type */
 577 vendor_id       { YYD; racoon_yywarn("it is obsoleted."); return(VENDORID); }
 578 user_fqdn       { YYD; yylval.num = IDTYPE_USERFQDN; return(IDENTIFIERTYPE); }
 579 fqdn            { YYD; yylval.num = IDTYPE_FQDN; return(IDENTIFIERTYPE); }
 580 keyid           { YYD; yylval.num = IDTYPE_KEYID; return(IDENTIFIERTYPE); }
 581 keyid_use       {
 582         YYD;
 583         yylval.num = IDTYPE_KEYIDUSE;
 584         return(IDENTIFIERTYPE);
 585 }
 586 address         { YYD; yylval.num = IDTYPE_ADDRESS; return(IDENTIFIERTYPE); }
 587 subnet          { YYD; yylval.num = IDTYPE_SUBNET; return(IDENTIFIERTYPE); }
 588 asn1dn          { YYD; yylval.num = IDTYPE_ASN1DN; return(IDENTIFIERTYPE); }
 589 certname        { YYD; racoon_yywarn("certname will be obsoleted in near future."); yylval.num = IDTYPE_ASN1DN; return(IDENTIFIERTYPE); }
 590
 591         /* shared secret type */
 592 use             {
 593         YYD;
 594         yylval.num = SECRETTYPE_USE;
 595         return(SECRETTYPE);
 596 }
 597 key             {
 598         YYD;
 599         yylval.num = SECRETTYPE_KEY;
 600         return(SECRETTYPE);
 601 }
 602 keychain        {
 603 #if HAVE_KEYCHAIN
 604         YYD;
 605         yylval.num = SECRETTYPE_KEYCHAIN;
 606         return(SECRETTYPE);
 607 #else
 608         racoon_yyerror("Apple specific features not compiled in.");
 609 #endif
 610 }
 611 keychain_by_id  {
 612         YYD;
 613         yylval.num = SECRETTYPE_KEYCHAIN_BY_ID;
 614         return(SECRETTYPE);
 615 }
 616
 617         /* certificate verification */
 618 openssl                 {
 619         YYD;
 620         yylval.num = VERIFICATION_MODULE_OPENSSL;
 621         return(VERIFICATION_MODULE);
 622 }
 623 sec_framework   {
 624         YYD;
 625         yylval.num = VERIFICATION_MODULE_SEC_FRAMEWORK;
 626         return(VERIFICATION_MODULE);
 627 }
 628 use_open_dir    {
 629         YYD;
 630         yylval.num = VERIFICATION_OPTION_OPEN_DIR;
 631         return(VERIFICATION_OPTION);
 632 }
 633 use_peers_identifier    {
 634         YYD;
 635         yylval.num = VERIFICATION_OPTION_PEERS_IDENTIFIER;
 636         return(VERIFICATION_OPTION);
 637 }
 638
 639         /* identifier qualifier */
 640 tag             { YYD; yylval.num = IDQUAL_TAG;  return(IDENTIFIERQUAL); }
 641 file            { YYD; yylval.num = IDQUAL_FILE; return(IDENTIFIERQUAL); }
 642
 643         /* units */
 644 B|byte|bytes            { YYD; return(UNITTYPE_BYTE); }
 645 KB                      { YYD; return(UNITTYPE_KBYTES); }
 646 MB                      { YYD; return(UNITTYPE_MBYTES); }
 647 TB                      { YYD; return(UNITTYPE_TBYTES); }
 648 sec|secs|second|seconds { YYD; return(UNITTYPE_SEC); }
 649 min|mins|minute|minutes { YYD; return(UNITTYPE_MIN); }
 650 hour|hours              { YYD; return(UNITTYPE_HOUR); }
 651
 652 dpd_default             { YYD; return(DPD_ALGO_TYPE_DEFAULT); }
 653 dpd_inbound_detect      { YYD; return(DPD_ALGO_TYPE_INBOUND); }
 654 dpd_blackhole_detect    { YYD; return(DPD_ALGO_TYPE_BLACKHOLE); }
 655
 656 idle_any                { YYD; return(IDLE_DIRECTION_ANY); }
 657 idle_inbound            { YYD; return(IDLE_DIRECTION_IN); }
 658 idle_outbound           { YYD; return(IDLE_DIRECTION_OUT); }
 659
 660         /* boolean */
 661 yes             { YYD; yylval.num = TRUE; return(BOOLEAN); }
 662 no              { YYD; yylval.num = FALSE; return(BOOLEAN); }
 663
 664 {decstring}     {
 665                         char *bp;
 666
 667                         YYD;
 668                         yylval.num = strtol(yytext, &bp, 10);
 669                         return(NUMBER);
 670                 }
 671
 672 {hexstring}     {
 673                         char *p;
 674
 675                         YYD;
 676                         yylval.val = vmalloc(yyleng + (yyleng & 1) + 1);
 677                         if (yylval.val == NULL) {
 678                                 racoon_yyerror("vmalloc failed");
 679                                 return -1;
 680                         }
 681
 682                         p = yylval.val->v;
 683                         *p++ = '0';
 684                         *p++ = 'x';
 685
 686                         /* fixed string if length is odd. */
 687                         if (yyleng & 1)
 688                                 *p++ = '0';
 689                         memcpy(p, &yytext[2], yyleng - 1);
 690
 691                         return(HEXSTRING);
 692                 }
 693
 694 {quotedstring}  {
 695                         char *p = yytext;
 696
 697                         YYD;
 698                         while (*++p != '"') ;
 699                         *p = '\0';
 700
 701                         yylval.val = vmalloc(yyleng - 1);
 702                         if (yylval.val == NULL) {
 703                                 racoon_yyerror("vmalloc failed");
 704                                 return -1;
 705                         }
 706                         memcpy(yylval.val->v, &yytext[1], yylval.val->l);
 707
 708                         return(QUOTEDSTRING);
 709                 }
 710
 711 {addrstring}    {
 712                         YYD;
 713
 714                         yylval.val = vmalloc(yyleng + 1);
 715                         if (yylval.val == NULL) {
 716                                 racoon_yyerror("vmalloc failed");
 717                                 return -1;
 718                         }
 719                         memcpy(yylval.val->v, yytext, yylval.val->l);
 720
 721                         return(ADDRSTRING);
 722                 }
 723
 724 <<EOF>>         {
 725                         yy_delete_buffer(YY_CURRENT_BUFFER);
 726                         incstackp--;
 727     nextfile:
 728                         if (incstack[incstackp].matches.gl_pathc != 0 &&
 729                                 incstack[incstackp].matches.gl_pathv &&
 730                                 incstack[incstackp].matchon <
 731                             incstack[incstackp].matches.gl_pathc) {
 732                                 char* filepath = incstack[incstackp].matches.gl_pathv[incstack[incstackp].matchon];
 733                                 incstack[incstackp].matchon++;
 734                                 incstackp++;
 735                                 if (yycf_set_buffer(filepath) != 0) {
 736                                         incstackp--;
 737                                         goto nextfile;
 738                                 }
 739                                 yy_switch_to_buffer(yy_create_buffer(yyin, YY_BUF_SIZE));
 740                                 BEGIN(S_INI);
 741                         } else {
 742                                 globfree(&incstack[incstackp].matches);
 743                                 if (incstackp == 0)
 744                                         yyterminate();
 745                                 else
 746                                         yy_switch_to_buffer(incstack[incstackp].prevstate);
 747                         }
 748                 }
 749
 750         /* ... */
 751 {ws}            { ; }
 752 {nl}            { incstack[incstackp].lineno++; }
 753 {comment}       { YYD; }
 754 {semi}          { return(EOS); }
 755 .               { yymore(); }
 756
 757 %%
 758
 759 void
 760 yyerror(const char *msg)
 761 {
 762     plog(ASL_LEVEL_ERR, "%s:%d: %s\n", incstack[incstackp].path, incstack[incstackp].lineno, msg);
 763         yyerrorcount++;
 764 }
 765
 766 void
 767 yywarn(const char *msg)
 768 {
 769          plog(ASL_LEVEL_ERR, "%s:%d: %s\n", incstack[incstackp].path, incstack[incstackp].lineno, msg);
 770 }
 771
 772 void
 773 racoon_yyerror(const char *fmt, ...)
 774 {
 775     va_list ap;
 776     char msg[512];
 777
 778     va_start(ap, fmt);
 779     vsnprintf(msg, sizeof(msg), fmt, ap);
 780     va_end(ap);
 781
 782     yyerror(msg);
 783 }
 784
 785 void
 786 racoon_yywarn(const char *fmt, ...)
 787 {
 788     va_list ap;
 789         char msg[512];
 790
 791     va_start(ap, fmt);
 792     vsnprintf(msg, sizeof(msg), fmt, ap);
 793     va_end(ap);
 794
 795     yywarn(msg);
 796 }
 797
 798 int
 799 yycf_switch_buffer(path)
 800         char *path;
 801 {
 802         char *filepath = NULL;
 803
 804         /* got the include file name */
 805         if (incstackp >= MAX_INCLUDE_DEPTH) {
 806                 plog(ASL_LEVEL_ERR,
 807                         "Includes nested too deeply");
 808                 return -1;
 809         }
 810
 811         if (glob(path, GLOB_TILDE, NULL, &incstack[incstackp].matches) != 0 ||
 812             incstack[incstackp].matches.gl_pathc == 0) {
 813                 plog(ASL_LEVEL_WARNING,
 814                         "glob found no matches for path \"%s\"\n", path);
 815                 return 0;
 816         }
 817         incstack[incstackp].matchon = 0;
 818         incstack[incstackp].prevstate = YY_CURRENT_BUFFER;
 819
 820     nextmatch:
 821         if (incstack[incstackp].matchon >= incstack[incstackp].matches.gl_pathc)
 822                 return -1;
 823         filepath =
 824             incstack[incstackp].matches.gl_pathv[incstack[incstackp].matchon];
 825         incstack[incstackp].matchon++;
 826         incstackp++;
 827
 828         if (yycf_set_buffer(filepath) != 0) {
 829               incstackp--;
 830               goto nextmatch;
 831         }
 832
 833         yy_switch_to_buffer(yy_create_buffer(yyin, YY_BUF_SIZE));
 834
 835         BEGIN(S_INI);
 836
 837         return 0;
 838 }
 839
 840 int
 841 yycf_set_buffer(path)
 842         char *path;
 843 {
 844         yyin = fopen(path, "r");
 845         if (yyin == NULL) {
 846                 fprintf(stderr, "failed to open file %s (%s)\n",
 847                         path, strerror(errno));
 848                 plog(ASL_LEVEL_ERR,
 849                         "failed to open file %s (%s)\n",
 850                         path, strerror(errno));
 851                 return -1;
 852         }
 853
 854         /* initialize */
 855         if (incstack[incstackp].path != NULL) {
 856                 fclose(incstack[incstackp].fp);
 857                 racoon_free(incstack[incstackp].path);
 858         }
 859         incstack[incstackp].fp = yyin;
 860         incstack[incstackp].path = racoon_strdup(path);
 861         STRDUP_FATAL(incstack[incstackp].path);
 862         incstack[incstackp].lineno = 1;
 863         plog(ASL_LEVEL_DEBUG,
 864                 "reading configuration file %s\n", path);
 865
 866         return 0;
 867 }
 868
 869 void
 870 yycf_init_buffer()
 871 {
 872         int i;
 873
 874         for (i = 0; i < MAX_INCLUDE_DEPTH; i++)
 875                 memset(&incstack[i], 0, sizeof(incstack[i]));
 876         incstackp = 0;
 877 }
 878
 879 void
 880 yycf_clean_buffer()
 881 {
 882         int i;
 883
 884         for (i = 0; i < MAX_INCLUDE_DEPTH; i++) {
 885                 if (incstack[i].path != NULL) {
 886                         fclose(incstack[i].fp);
 887                         racoon_free(incstack[i].path);
 888                         incstack[i].path = NULL;
 889                 }
 890         }
 891 }
 892