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 #include "eap_sim.h"
  92
  93 int yyerrorcount = 0;
  94
  95 #if defined(YIPS_DEBUG)
  96 #  define YYDB plog(ASL_LEVEL_DEBUG,                                \
  97                 "begin <%d>%s\n", yy_start, yytext);
  98 #  define YYD {                                                                \
  99         plog(ASL_LEVEL_DEBUG, "<%d>%s",                             \
 100             yy_start, loglevel >= ASL_LEVEL_DEBUG ? "\n" : "");                     \
 101 }
 102 #else
 103 #  define YYDB
 104 #  define YYD
 105 #endif /* defined(YIPS_DEBUG) */
 106
 107 #define MAX_INCLUDE_DEPTH 10
 108
 109 static struct include_stack {
 110         char *path;
 111         FILE *fp;
 112         YY_BUFFER_STATE prevstate;
 113         int lineno;
 114         glob_t matches;
 115         int matchon;
 116 } incstack[MAX_INCLUDE_DEPTH];
 117 static int incstackp = 0;
 118
 119 static int yy_first_time = 1;
 120 %}
 121
 122 /* common section */
 123 nl              \n
 124 ws              [ \t]+
 125 digit           [0-9]
 126 letter          [A-Za-z]
 127 hexdigit        [0-9A-Fa-f]
 128 /*octet         (([01]?{digit}?{digit})|((2([0-4]{digit}))|(25[0-5]))) */
 129 special         [()+\|\?\*]
 130 comma           \,
 131 dot             \.
 132 slash           \/
 133 bcl             \{
 134 ecl             \}
 135 blcl            \[
 136 elcl            \]
 137 hyphen          \-
 138 percent         \%
 139 semi            \;
 140 comment         \#.*
 141 ccomment        "/*"
 142 bracketstring   \<[^>]*\>
 143 quotedstring    \"[^"]*\"
 144 addrstring      [a-fA-F0-9:]([a-fA-F0-9:\.]*|[a-fA-F0-9:\.]*%[a-zA-Z0-9]*)
 145 decstring       {digit}+
 146 hexstring       0x{hexdigit}+
 147
 148 %s S_INI S_PRIV S_PTH S_INF S_LOG S_PAD S_LST S_RTRY S_CFG
 149 %s S_ALGST S_ALGCL
 150 %s S_SAINF S_SAINFS
 151 %s S_RMT S_RMTS S_RMTP
 152 %s S_SA
 153 %s S_GSSENC
 154
 155 %%
 156 %{
 157         if (yy_first_time) {
 158                 BEGIN S_INI;
 159                 yy_first_time = 0;
 160         }
 161 %}
 162
 163
 164         /* path */
 165 <S_INI>path             { BEGIN S_PTH; YYDB; return(PATH); }
 166 <S_PTH>include          { YYD; yylval.num = LC_PATHTYPE_INCLUDE;
 167                                 return(PATHTYPE); }
 168 <S_PTH>pre_shared_key   { YYD; yylval.num = LC_PATHTYPE_PSK;
 169                                 return(PATHTYPE); }
 170 <S_PTH>certificate      { YYD; yylval.num = LC_PATHTYPE_CERT;
 171                                 return(PATHTYPE); }
 172 <S_PTH>pidfile          { YYD; yylval.num = LC_PATHTYPE_PIDFILE;
 173                                 return(PATHTYPE); }
 174 <S_PTH>logfile          { YYD; yylval.num = LC_PATHTYPE_LOGFILE;
 175                                 return(PATHTYPE); }
 176 <S_PTH>{semi}           { BEGIN S_INI; YYDB; return(EOS); }
 177
 178         /* include */
 179 <S_INI>include          { YYDB; return(INCLUDE); }
 180
 181         /* self information */
 182 <S_INI>identifier       { BEGIN S_INF; YYDB; racoon_yywarn("it is obsoleted.  use \"my_identifier\" in each remote directives."); return(IDENTIFIER); }
 183 <S_INF>{semi}           { BEGIN S_INI; return(EOS); }
 184
 185         /* special */
 186 <S_INI>complex_bundle   { YYDB; return(COMPLEX_BUNDLE); }
 187
 188         /* logging */
 189 <S_INI>log              { BEGIN S_LOG; YYDB; return(LOGGING); }
 190 <S_LOG>error            { YYD; yylval.num = ASL_LEVEL_ERR; return(LOGLEV); }
 191 <S_LOG>warning          { YYD; yylval.num = ASL_LEVEL_WARNING; return(LOGLEV); }
 192 <S_LOG>notify           { YYD; yylval.num = ASL_LEVEL_NOTICE; return(LOGLEV); }
 193 <S_LOG>info             { YYD; yylval.num = ASL_LEVEL_INFO; return(LOGLEV); }
 194 <S_LOG>debug            { YYD; yylval.num = ASL_LEVEL_DEBUG; return(LOGLEV); }
 195 <S_LOG>debug2           { YYD; yylval.num = ASL_LEVEL_DEBUG; return(LOGLEV); }
 196 <S_LOG>debug3           { YYD; racoon_yywarn("it is obsoleted.  use \"debug2\""); yylval.num = ASL_LEVEL_DEBUG; return(LOGLEV); }
 197 <S_LOG>debug4           { YYD; racoon_yywarn("it is obsoleted.  use \"debug2\""); yylval.num = ASL_LEVEL_DEBUG; return(LOGLEV); }
 198 <S_LOG>{semi}           { BEGIN S_INI; return(EOS); }
 199
 200         /* padding */
 201 <S_INI>padding          { BEGIN S_PAD; YYDB; return(PADDING); }
 202 <S_PAD>{bcl}            { return(BOC); }
 203 <S_PAD>randomize        { YYD; return(PAD_RANDOMIZE); }
 204 <S_PAD>randomize_length { YYD; return(PAD_RANDOMIZELEN); }
 205 <S_PAD>maximum_length   { YYD; return(PAD_MAXLEN); }
 206 <S_PAD>strict_check     { YYD; return(PAD_STRICT); }
 207 <S_PAD>exclusive_tail   { YYD; return(PAD_EXCLTAIL); }
 208 <S_PAD>{ecl}            { BEGIN S_INI; return(EOC); }
 209
 210         /* listen */
 211 <S_INI>listen           { BEGIN S_LST; YYDB; return(LISTEN); }
 212 <S_LST>{bcl}            { return(BOC); }
 213 <S_LST>isakmp           { YYD; return(X_ISAKMP); }
 214 <S_LST>isakmp_natt      { YYD; return(X_ISAKMP_NATT); }
 215 <S_LST>admin            { YYD; return(X_ADMIN); }
 216 <S_LST>adminsock        { YYD; return(ADMINSOCK); }
 217 <S_LST>disabled         { YYD; return(DISABLED); }
 218 <S_LST>strict_address   { YYD; return(STRICT_ADDRESS); }
 219 <S_LST>{ecl}            { BEGIN S_INI; return(EOC); }
 220
 221         /* mode_cfg */
 222 <S_INI>mode_cfg         { BEGIN S_CFG; YYDB; return(MODECFG); }
 223 <S_CFG>{bcl}            { return(BOC); }
 224 <S_CFG>network4         { YYD; return(CFG_NET4); }
 225 <S_CFG>netmask4         { YYD; return(CFG_MASK4); }
 226 <S_CFG>dns4             { YYD; return(CFG_DNS4); }
 227 <S_CFG>wins4            { YYD; return(CFG_NBNS4); }
 228 <S_CFG>default_domain   { YYD; return(CFG_DEFAULT_DOMAIN); }
 229 <S_CFG>auth_source      { YYD; return(CFG_AUTH_SOURCE); }
 230 <S_CFG>auth_groups      { YYD; return(CFG_AUTH_GROUPS); }
 231 <S_CFG>group_source     { YYD; return(CFG_GROUP_SOURCE); }
 232 <S_CFG>conf_source      { YYD; return(CFG_CONF_SOURCE); }
 233 <S_CFG>accounting       { YYD; return(CFG_ACCOUNTING); }
 234 <S_CFG>system           { YYD; return(CFG_SYSTEM); }
 235 <S_CFG>local            { YYD; return(CFG_LOCAL); }
 236 <S_CFG>none             { YYD; return(CFG_NONE); }
 237 <S_CFG>radius           { YYD; return(CFG_RADIUS); }
 238 <S_CFG>pam              { YYD; return(CFG_PAM); }
 239 <S_CFG>pool_size        { YYD; return(CFG_POOL_SIZE); }
 240 <S_CFG>banner           { YYD; return(CFG_MOTD); }
 241 <S_CFG>auth_throttle    { YYD; return(CFG_AUTH_THROTTLE); }
 242 <S_CFG>split_network    { YYD; return(CFG_SPLIT_NETWORK); }
 243 <S_CFG>local_lan        { YYD; return(CFG_SPLIT_LOCAL); }
 244 <S_CFG>include          { YYD; return(CFG_SPLIT_INCLUDE); }
 245 <S_CFG>split_dns        { YYD; return(CFG_SPLIT_DNS); }
 246 <S_CFG>pfs_group        { YYD; return(CFG_PFS_GROUP); }
 247 <S_CFG>save_passwd      { YYD; return(CFG_SAVE_PASSWD); }
 248 <S_CFG>{comma}          { YYD; return(COMMA); }
 249 <S_CFG>{ecl}            { BEGIN S_INI; return(EOC); }
 250
 251         /* timer */
 252 <S_INI>timer            { BEGIN S_RTRY; YYDB; return(RETRY); }
 253 <S_RTRY>{bcl}           { return(BOC); }
 254 <S_RTRY>counter         { YYD; return(RETRY_COUNTER); }
 255 <S_RTRY>interval        { YYD; return(RETRY_INTERVAL); }
 256 <S_RTRY>persend         { YYD; return(RETRY_PERSEND); }
 257 <S_RTRY>phase1          { YYD; return(RETRY_PHASE1); }
 258 <S_RTRY>phase2          { YYD; return(RETRY_PHASE2); }
 259 <S_RTRY>natt_keepalive  { YYD; return(NATT_KA); }
 260 <S_RTRY>auto_exit_delay { YYD; return(AUTO_EXIT_DELAY); }
 261 <S_RTRY>{ecl}           { BEGIN S_INI; return(EOC); }
 262
 263         /* sainfo */
 264 <S_INI>sainfo           { BEGIN S_SAINF; YYDB; return(SAINFO); }
 265 <S_SAINF>anonymous      { YYD; return(ANONYMOUS); }
 266 <S_SAINF>{blcl}any{elcl}        { YYD; return(PORTANY); }
 267 <S_SAINF>any            { YYD; return(ANY); }
 268 <S_SAINF>from           { YYD; return(FROM); }
 269 <S_SAINF>group          { YYD; return(GROUP); }
 270         /* sainfo spec */
 271 <S_SAINF>{bcl}          { BEGIN S_SAINFS; return(BOC); }
 272 <S_SAINF>{semi}         { BEGIN S_INI; return(EOS); }
 273 <S_SAINFS>{ecl}         { BEGIN S_INI; return(EOC); }
 274 <S_SAINFS>pfs_group     { YYD; return(PFS_GROUP); }
 275 <S_SAINFS>remoteid      { YYD; return(REMOTEID); }
 276 <S_SAINFS>identifier    { YYD; racoon_yywarn("it is obsoleted.  use \"my_identifier\"."); return(IDENTIFIER); }
 277 <S_SAINFS>my_identifier { YYD; return(MY_IDENTIFIER); }
 278 <S_SAINFS>lifetime      { YYD; return(LIFETIME); }
 279 <S_SAINFS>time          { YYD; return(LIFETYPE_TIME); }
 280 <S_SAINFS>byte          { YYD; return(LIFETYPE_BYTE); }
 281 <S_SAINFS>encryption_algorithm { YYD; yylval.num = algclass_ipsec_enc; return(ALGORITHM_CLASS); }
 282 <S_SAINFS>authentication_algorithm { YYD; yylval.num = algclass_ipsec_auth; return(ALGORITHM_CLASS); }
 283 <S_SAINFS>compression_algorithm { YYD; yylval.num = algclass_ipsec_comp; return(ALGORITHM_CLASS); }
 284 <S_SAINFS>{comma}       { YYD; return(COMMA); }
 285
 286         /* remote */
 287 <S_INI>remote           { BEGIN S_RMT; YYDB; return(REMOTE); }
 288 <S_RMT>anonymous        { YYD; return(ANONYMOUS); }
 289 <S_RMT>inherit          { YYD; return(INHERIT); }
 290         /* remote spec */
 291 <S_RMT>{bcl}            { BEGIN S_RMTS; return(BOC); }
 292 <S_RMTS>{ecl}           { BEGIN S_INI; return(EOC); }
 293 <S_RMTS>exchange_mode   { YYD; return(EXCHANGE_MODE); }
 294 <S_RMTS>{comma}         { YYD; /* XXX ignored, but to be handled. */ ; }
 295 <S_RMTS>main            { YYD; yylval.num = ISAKMP_ETYPE_IDENT; return(EXCHANGETYPE); }
 296 <S_RMTS>aggressive      { YYD; yylval.num = ISAKMP_ETYPE_AGG; return(EXCHANGETYPE); }
 297 <S_RMTS>doi             { YYD; return(DOI); }
 298 <S_RMTS>ipsec_doi       { YYD; yylval.num = IPSEC_DOI; return(DOITYPE); }
 299 <S_RMTS>situation       { YYD; return(SITUATION); }
 300 <S_RMTS>ike_version     { YYD; return(IKE_VERSION); }
 301 <S_RMTS>identity_only   { YYD; yylval.num = IPSECDOI_SIT_IDENTITY_ONLY; return(SITUATIONTYPE); }
 302 <S_RMTS>secrecy         { YYD; yylval.num = IPSECDOI_SIT_SECRECY; return(SITUATIONTYPE); }
 303 <S_RMTS>integrity       { YYD; yylval.num = IPSECDOI_SIT_INTEGRITY; return(SITUATIONTYPE); }
 304 <S_RMTS>identifier      { YYD; racoon_yywarn("it is obsoleted.  use \"my_identifier\"."); return(IDENTIFIER); }
 305 <S_RMTS>my_identifier   { YYD; return(MY_IDENTIFIER); }
 306 <S_RMTS>xauth_login     { YYD; return(XAUTH_LOGIN); /* formerly identifier type login */ }
 307 <S_RMTS>peers_identifier        { YYD; return(PEERS_IDENTIFIER); }
 308 <S_RMTS>verify_identifier       { YYD; return(VERIFY_IDENTIFIER); }
 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 <S_RMTS>eap_types       { YYD; return(EAP_TYPES); }
 379 <S_RMTS>eap_any     { YYD; yylval.num = EAP_TYPE_NONE; return(EAP_TYPE); }
 380 <S_RMTS>eap_sim     { YYD; yylval.num = EAP_TYPE_SIM; return(EAP_TYPE); }
 381 <S_RMTS>eap_aka     { YYD; yylval.num = EAP_TYPE_AKA; return(EAP_TYPE); }
 382 <S_RMTS>eap_options     { YYD; return(EAP_OPTIONS); }
 383         /* remote proposal */
 384 <S_RMTS>proposal        { BEGIN S_RMTP; YYDB; return(PROPOSAL); }
 385 <S_RMTP>{bcl}           { return(BOC); }
 386 <S_RMTP>{ecl}           { BEGIN S_RMTS; return(EOC); }
 387 <S_RMTP>lifetime        { YYD; return(LIFETIME); }
 388 <S_RMTP>time            { YYD; return(LIFETYPE_TIME); }
 389 <S_RMTP>byte            { YYD; return(LIFETYPE_BYTE); }
 390 <S_RMTP>encryption_algorithm { YYD; yylval.num = algclass_isakmp_enc; return(ALGORITHM_CLASS); }
 391 <S_RMTP>authentication_method { YYD; yylval.num = algclass_isakmp_ameth; return(ALGORITHM_CLASS); }
 392 <S_RMTP>hash_algorithm  { YYD; yylval.num = algclass_isakmp_hash; return(ALGORITHM_CLASS); }
 393 <S_RMTP>prf_algorithm   { YYD; yylval.num = algclass_ikev2_prf; return(ALGORITHM_CLASS); }
 394 <S_RMTP>integ_algorithm { YYD; yylval.num = algclass_ikev2_integ; return(ALGORITHM_CLASS); }
 395 <S_RMTP>dh_group        { YYD; return(DH_GROUP); }
 396 <S_RMTP>gss_id          { YYD; return(GSS_ID); }
 397 <S_RMTP>gssapi_id       { YYD; return(GSS_ID); } /* for back compatibility */
 398
 399         /* GSS ID encoding type (global) */
 400 <S_INI>gss_id_enc       { BEGIN S_GSSENC; YYDB; return(GSS_ID_ENC); }
 401 <S_GSSENC>latin1        { YYD; yylval.num = LC_GSSENC_LATIN1;
 402                                 return(GSS_ID_ENCTYPE); }
 403 <S_GSSENC>utf-16le      { YYD; yylval.num = LC_GSSENC_UTF16LE;
 404                                 return(GSS_ID_ENCTYPE); }
 405 <S_GSSENC>{semi}        { BEGIN S_INI; YYDB; return(EOS); }
 406
 407         /* parameter */
 408 on              { YYD; yylval.num = TRUE; return(SWITCH); }
 409 off             { YYD; yylval.num = FALSE; return(SWITCH); }
 410
 411         /* prefix */
 412 {slash}({digit}{1,3}) {
 413                         YYD;
 414                         yytext++;
 415                         yylval.num = atoi(yytext);
 416                         return(PREFIX);
 417                 }
 418
 419         /* port number */
 420 {blcl}{decstring}{elcl} {
 421                         char *p = yytext;
 422                         YYD;
 423                         while (*++p != ']') ;
 424                         *p = 0;
 425                         yytext++;
 426                         yylval.num = atoi(yytext);
 427                         return(PORT);
 428                 }
 429
 430         /* address range */
 431 {hyphen}{addrstring} {
 432                         YYD;
 433                         yytext++;
 434                         yylval.val = vmalloc(yyleng + 1);
 435                         if (yylval.val == NULL) {
 436                                 racoon_yyerror("vmalloc failed");
 437                                 return -1;
 438                         }
 439                         memcpy(yylval.val->v, yytext, yylval.val->l);
 440                         return(ADDRRANGE);
 441                 }
 442
 443         /* upper protocol */
 444 esp             { YYD; yylval.num = IPPROTO_ESP; return(UL_PROTO); }
 445 ah              { YYD; yylval.num = IPPROTO_AH; return(UL_PROTO); }
 446 ipcomp          { YYD; yylval.num = IPPROTO_IPCOMP; return(UL_PROTO); }
 447 icmp            { YYD; yylval.num = IPPROTO_ICMP; return(UL_PROTO); }
 448 icmp6           { YYD; yylval.num = IPPROTO_ICMPV6; return(UL_PROTO); }
 449 tcp             { YYD; yylval.num = IPPROTO_TCP; return(UL_PROTO); }
 450 udp             { YYD; yylval.num = IPPROTO_UDP; return(UL_PROTO); }
 451
 452         /* algorithm type */
 453 des_iv64        { YYD; yylval.num = algtype_des_iv64;   return(ALGORITHMTYPE); }
 454 des             { YYD; yylval.num = algtype_des;        return(ALGORITHMTYPE); }
 455 3des            { YYD; yylval.num = algtype_3des;       return(ALGORITHMTYPE); }
 456 rc5             { YYD; yylval.num = algtype_rc5;        return(ALGORITHMTYPE); }
 457 idea            { YYD; yylval.num = algtype_idea;       return(ALGORITHMTYPE); }
 458 cast128         { YYD; yylval.num = algtype_cast128;    return(ALGORITHMTYPE); }
 459 blowfish        { YYD; yylval.num = algtype_blowfish;   return(ALGORITHMTYPE); }
 460 3idea           { YYD; yylval.num = algtype_3idea;      return(ALGORITHMTYPE); }
 461 des_iv32        { YYD; yylval.num = algtype_des_iv32;   return(ALGORITHMTYPE); }
 462 rc4             { YYD; yylval.num = algtype_rc4;        return(ALGORITHMTYPE); }
 463 null_enc        { YYD; yylval.num = algtype_null_enc;   return(ALGORITHMTYPE); }
 464 null            { YYD; yylval.num = algtype_null_enc;   return(ALGORITHMTYPE); }
 465 aes             { YYD; yylval.num = algtype_aes;        return(ALGORITHMTYPE); }
 466 rijndael        { YYD; yylval.num = algtype_aes;        return(ALGORITHMTYPE); }
 467 twofish         { YYD; yylval.num = algtype_twofish;    return(ALGORITHMTYPE); }
 468 non_auth        { YYD; yylval.num = algtype_non_auth;   return(ALGORITHMTYPE); }
 469 hmac_md5        { YYD; yylval.num = algtype_hmac_md5_128;       return(ALGORITHMTYPE); }
 470 hmac_sha1       { YYD; yylval.num = algtype_hmac_sha1_160;      return(ALGORITHMTYPE); }
 471 hmac_sha2_256   { YYD; yylval.num = algtype_hmac_sha2_256;      return(ALGORITHMTYPE); }
 472 hmac_sha256     { YYD; yylval.num = algtype_hmac_sha2_256;      return(ALGORITHMTYPE); }
 473 hmac_sha2_384   { YYD; yylval.num = algtype_hmac_sha2_384;      return(ALGORITHMTYPE); }
 474 hmac_sha384     { YYD; yylval.num = algtype_hmac_sha2_384;      return(ALGORITHMTYPE); }
 475 hmac_sha2_512   { YYD; yylval.num = algtype_hmac_sha2_512;      return(ALGORITHMTYPE); }
 476 hmac_sha512     { YYD; yylval.num = algtype_hmac_sha2_512;      return(ALGORITHMTYPE); }
 477 hmac_md5_96     { YYD; yylval.num = algtype_hmac_md5_96;        return(ALGORITHMTYPE); }
 478 hmac_sha1_96    { YYD; yylval.num = algtype_hmac_sha1_96;       return(ALGORITHMTYPE); }
 479 des_mac         { YYD; yylval.num = algtype_des_mac;    return(ALGORITHMTYPE); }
 480 kpdk            { YYD; yylval.num = algtype_kpdk;       return(ALGORITHMTYPE); }
 481 md5             { YYD; yylval.num = algtype_md5;        return(ALGORITHMTYPE); }
 482 sha1            { YYD; yylval.num = algtype_sha1;       return(ALGORITHMTYPE); }
 483 tiger           { YYD; yylval.num = algtype_tiger;      return(ALGORITHMTYPE); }
 484 sha2_256        { YYD; yylval.num = algtype_sha2_256;   return(ALGORITHMTYPE); }
 485 sha256          { YYD; yylval.num = algtype_sha2_256;   return(ALGORITHMTYPE); }
 486 sha2_384        { YYD; yylval.num = algtype_sha2_384;   return(ALGORITHMTYPE); }
 487 sha384          { YYD; yylval.num = algtype_sha2_384;   return(ALGORITHMTYPE); }
 488 sha2_512        { YYD; yylval.num = algtype_sha2_512;   return(ALGORITHMTYPE); }
 489 sha512          { YYD; yylval.num = algtype_sha2_512;   return(ALGORITHMTYPE); }
 490 oui             { YYD; yylval.num = algtype_oui;        return(ALGORITHMTYPE); }
 491 deflate         { YYD; yylval.num = algtype_deflate;    return(ALGORITHMTYPE); }
 492 lzs             { YYD; yylval.num = algtype_lzs;        return(ALGORITHMTYPE); }
 493 modp768         { YYD; yylval.num = algtype_modp768;    return(ALGORITHMTYPE); }
 494 modp1024        { YYD; yylval.num = algtype_modp1024;   return(ALGORITHMTYPE); }
 495 modp1536        { YYD; yylval.num = algtype_modp1536;   return(ALGORITHMTYPE); }
 496 ec2n155         { YYD; yylval.num = algtype_ec2n155;    return(ALGORITHMTYPE); }
 497 ec2n185         { YYD; yylval.num = algtype_ec2n185;    return(ALGORITHMTYPE); }
 498 modp2048        { YYD; yylval.num = algtype_modp2048;   return(ALGORITHMTYPE); }
 499 modp3072        { YYD; yylval.num = algtype_modp3072;   return(ALGORITHMTYPE); }
 500 modp4096        { YYD; yylval.num = algtype_modp4096;   return(ALGORITHMTYPE); }
 501 modp6144        { YYD; yylval.num = algtype_modp6144;   return(ALGORITHMTYPE); }
 502 modp8192        { YYD; yylval.num = algtype_modp8192;   return(ALGORITHMTYPE); }
 503 pre_shared_key  { YYD; yylval.num = algtype_psk;        return(ALGORITHMTYPE); }
 504 rsasig          { YYD; yylval.num = algtype_rsasig;     return(ALGORITHMTYPE); }
 505 dsssig          { YYD; yylval.num = algtype_dsssig;     return(ALGORITHMTYPE); }
 506 rsaenc          { YYD; yylval.num = algtype_rsaenc;     return(ALGORITHMTYPE); }
 507 rsarev          { YYD; yylval.num = algtype_rsarev;     return(ALGORITHMTYPE); }
 508 gssapi_krb      { YYD; yylval.num = algtype_gssapikrb;  return(ALGORITHMTYPE); }
 509 hybrid_rsa_server {
 510 #ifdef ENABLE_HYBRID
 511         YYD; yylval.num = algtype_hybrid_rsa_s; return(ALGORITHMTYPE);
 512 #else
 513         racoon_yyerror("racoon not configured with --enable-hybrid");
 514 #endif
 515 }
 516 hybrid_dss_server {
 517 #ifdef ENABLE_HYBRID
 518         YYD; yylval.num = algtype_hybrid_dss_s; return(ALGORITHMTYPE);
 519 #else
 520         racoon_yyerror("racoon not configured with --enable-hybrid");
 521 #endif
 522 }
 523 hybrid_rsa_client {
 524 #ifdef ENABLE_HYBRID
 525         YYD; yylval.num = algtype_hybrid_rsa_c; return(ALGORITHMTYPE);
 526 #else
 527         racoon_yyerror("racoon not configured with --enable-hybrid");
 528 #endif
 529 }
 530 hybrid_dss_client {
 531 #ifdef ENABLE_HYBRID
 532         YYD; yylval.num = algtype_hybrid_dss_c; return(ALGORITHMTYPE);
 533 #else
 534         racoon_yyerror("racoon not configured with --enable-hybrid");
 535 #endif
 536 }
 537
 538 xauth_psk_server {
 539 #ifdef ENABLE_HYBRID
 540         YYD; yylval.num = algtype_xauth_psk_s; return(ALGORITHMTYPE);
 541 #else
 542         racoon_yyerror("racoon not configured with --enable-hybrid");
 543 #endif
 544 }
 545 xauth_psk_client {
 546 #ifdef ENABLE_HYBRID
 547         YYD; yylval.num = algtype_xauth_psk_c; return(ALGORITHMTYPE);
 548 #else
 549         racoon_yyerror("racoon not configured with --enable-hybrid");
 550 #endif
 551 }
 552 xauth_rsa_server {
 553 #ifdef ENABLE_HYBRID
 554         YYD; yylval.num = algtype_xauth_rsa_s; return(ALGORITHMTYPE);
 555 #else
 556         racoon_yyerror("racoon not configured with --enable-hybrid");
 557 #endif
 558 }
 559 xauth_rsa_client {
 560 #ifdef ENABLE_HYBRID
 561         YYD; yylval.num = algtype_xauth_rsa_c; return(ALGORITHMTYPE);
 562 #else
 563         racoon_yyerror("racoon not configured with --enable-hybrid");
 564 #endif
 565 }
 566 eap_psk_client {
 567     #ifdef ENABLE_HYBRID
 568         YYD; yylval.num = algtype_eap_psk_c; return(ALGORITHMTYPE);
 569     #else
 570         racoon_yyerror("racoon not configured with --enable-hybrid");
 571     #endif
 572 }
 573 eap_rsa_client {
 574     #ifdef ENABLE_HYBRID
 575         YYD; yylval.num = algtype_eap_rsa_c; return(ALGORITHMTYPE);
 576     #else
 577         racoon_yyerror("racoon not configured with --enable-hybrid");
 578     #endif
 579 }
 580
 581
 582
 583         /* identifier type */
 584 vendor_id       { YYD; racoon_yywarn("it is obsoleted."); return(VENDORID); }
 585 user_fqdn       { YYD; yylval.num = IDTYPE_USERFQDN; return(IDENTIFIERTYPE); }
 586 fqdn            { YYD; yylval.num = IDTYPE_FQDN; return(IDENTIFIERTYPE); }
 587 keyid           { YYD; yylval.num = IDTYPE_KEYID; return(IDENTIFIERTYPE); }
 588 keyid_use       {
 589         YYD;
 590         yylval.num = IDTYPE_KEYIDUSE;
 591         return(IDENTIFIERTYPE);
 592 }
 593 address         { YYD; yylval.num = IDTYPE_ADDRESS; return(IDENTIFIERTYPE); }
 594 subnet          { YYD; yylval.num = IDTYPE_SUBNET; return(IDENTIFIERTYPE); }
 595 asn1dn          { YYD; yylval.num = IDTYPE_ASN1DN; return(IDENTIFIERTYPE); }
 596 certname        { YYD; racoon_yywarn("certname will be obsoleted in near future."); yylval.num = IDTYPE_ASN1DN; return(IDENTIFIERTYPE); }
 597
 598         /* shared secret type */
 599 use             {
 600         YYD;
 601         yylval.num = SECRETTYPE_USE;
 602         return(SECRETTYPE);
 603 }
 604 key             {
 605         YYD;
 606         yylval.num = SECRETTYPE_KEY;
 607         return(SECRETTYPE);
 608 }
 609 keychain        {
 610 #if HAVE_KEYCHAIN
 611         YYD;
 612         yylval.num = SECRETTYPE_KEYCHAIN;
 613         return(SECRETTYPE);
 614 #else
 615         racoon_yyerror("Apple specific features not compiled in.");
 616 #endif
 617 }
 618 keychain_by_id  {
 619         YYD;
 620         yylval.num = SECRETTYPE_KEYCHAIN_BY_ID;
 621         return(SECRETTYPE);
 622 }
 623
 624         /* certificate verification */
 625 openssl                 {
 626         YYD;
 627         yylval.num = VERIFICATION_MODULE_OPENSSL;
 628         return(VERIFICATION_MODULE);
 629 }
 630 sec_framework   {
 631         YYD;
 632         yylval.num = VERIFICATION_MODULE_SEC_FRAMEWORK;
 633         return(VERIFICATION_MODULE);
 634 }
 635 use_open_dir    {
 636         YYD;
 637         yylval.num = VERIFICATION_OPTION_OPEN_DIR;
 638         return(VERIFICATION_OPTION);
 639 }
 640 use_peers_identifier    {
 641         YYD;
 642         yylval.num = VERIFICATION_OPTION_PEERS_IDENTIFIER;
 643         return(VERIFICATION_OPTION);
 644 }
 645
 646         /* identifier qualifier */
 647 tag             { YYD; yylval.num = IDQUAL_TAG;  return(IDENTIFIERQUAL); }
 648 file            { YYD; yylval.num = IDQUAL_FILE; return(IDENTIFIERQUAL); }
 649
 650         /* units */
 651 B|byte|bytes            { YYD; return(UNITTYPE_BYTE); }
 652 KB                      { YYD; return(UNITTYPE_KBYTES); }
 653 MB                      { YYD; return(UNITTYPE_MBYTES); }
 654 TB                      { YYD; return(UNITTYPE_TBYTES); }
 655 sec|secs|second|seconds { YYD; return(UNITTYPE_SEC); }
 656 min|mins|minute|minutes { YYD; return(UNITTYPE_MIN); }
 657 hour|hours              { YYD; return(UNITTYPE_HOUR); }
 658
 659 dpd_default             { YYD; return(DPD_ALGO_TYPE_DEFAULT); }
 660 dpd_inbound_detect      { YYD; return(DPD_ALGO_TYPE_INBOUND); }
 661 dpd_blackhole_detect    { YYD; return(DPD_ALGO_TYPE_BLACKHOLE); }
 662
 663 idle_any                { YYD; return(IDLE_DIRECTION_ANY); }
 664 idle_inbound            { YYD; return(IDLE_DIRECTION_IN); }
 665 idle_outbound           { YYD; return(IDLE_DIRECTION_OUT); }
 666
 667         /* boolean */
 668 yes             { YYD; yylval.num = TRUE; return(BOOLEAN); }
 669 no              { YYD; yylval.num = FALSE; return(BOOLEAN); }
 670
 671 {decstring}     {
 672                         char *bp;
 673
 674                         YYD;
 675                         yylval.num = strtol(yytext, &bp, 10);
 676                         return(NUMBER);
 677                 }
 678
 679 {hexstring}     {
 680                         char *p;
 681
 682                         YYD;
 683                         yylval.val = vmalloc(yyleng + (yyleng & 1) + 1);
 684                         if (yylval.val == NULL) {
 685                                 racoon_yyerror("vmalloc failed");
 686                                 return -1;
 687                         }
 688
 689                         p = yylval.val->v;
 690                         *p++ = '0';
 691                         *p++ = 'x';
 692
 693                         /* fixed string if length is odd. */
 694                         if (yyleng & 1)
 695                                 *p++ = '0';
 696                         memcpy(p, &yytext[2], yyleng - 1);
 697
 698                         return(HEXSTRING);
 699                 }
 700
 701 {quotedstring}  {
 702                         char *p = yytext;
 703
 704                         YYD;
 705                         while (*++p != '"') ;
 706                         *p = '\0';
 707
 708                         yylval.val = vmalloc(yyleng - 1);
 709                         if (yylval.val == NULL) {
 710                                 racoon_yyerror("vmalloc failed");
 711                                 return -1;
 712                         }
 713                         memcpy(yylval.val->v, &yytext[1], yylval.val->l);
 714
 715                         return(QUOTEDSTRING);
 716                 }
 717
 718 {addrstring}    {
 719                         YYD;
 720
 721                         yylval.val = vmalloc(yyleng + 1);
 722                         if (yylval.val == NULL) {
 723                                 racoon_yyerror("vmalloc failed");
 724                                 return -1;
 725                         }
 726                         memcpy(yylval.val->v, yytext, yylval.val->l);
 727
 728                         return(ADDRSTRING);
 729                 }
 730
 731 <<EOF>>         {
 732                         yy_delete_buffer(YY_CURRENT_BUFFER);
 733                         incstackp--;
 734     nextfile:
 735                         if (incstack[incstackp].matches.gl_pathc != 0 &&
 736                                 incstack[incstackp].matches.gl_pathv &&
 737                                 incstack[incstackp].matchon <
 738                             incstack[incstackp].matches.gl_pathc) {
 739                                 char* filepath = incstack[incstackp].matches.gl_pathv[incstack[incstackp].matchon];
 740                                 incstack[incstackp].matchon++;
 741                                 incstackp++;
 742                                 if (yycf_set_buffer(filepath) != 0) {
 743                                         incstackp--;
 744                                         goto nextfile;
 745                                 }
 746                                 yy_switch_to_buffer(yy_create_buffer(yyin, YY_BUF_SIZE));
 747                                 BEGIN(S_INI);
 748                         } else {
 749                                 globfree(&incstack[incstackp].matches);
 750                                 if (incstackp == 0)
 751                                         yyterminate();
 752                                 else
 753                                         yy_switch_to_buffer(incstack[incstackp].prevstate);
 754                         }
 755                 }
 756
 757         /* ... */
 758 {ws}            { ; }
 759 {nl}            { incstack[incstackp].lineno++; }
 760 {comment}       { YYD; }
 761 {semi}          { return(EOS); }
 762 .               { yymore(); }
 763
 764 %%
 765
 766 void
 767 yyerror(const char *msg)
 768 {
 769     plog(ASL_LEVEL_ERR, "%s:%d: %s\n", incstack[incstackp].path, incstack[incstackp].lineno, msg);
 770         yyerrorcount++;
 771 }
 772
 773 void
 774 yywarn(const char *msg)
 775 {
 776          plog(ASL_LEVEL_ERR, "%s:%d: %s\n", incstack[incstackp].path, incstack[incstackp].lineno, msg);
 777 }
 778
 779 void
 780 racoon_yyerror(const char *fmt, ...)
 781 {
 782     va_list ap;
 783     char msg[512];
 784
 785     va_start(ap, fmt);
 786     vsnprintf(msg, sizeof(msg), fmt, ap);
 787     va_end(ap);
 788
 789     yyerror(msg);
 790 }
 791
 792 void
 793 racoon_yywarn(const char *fmt, ...)
 794 {
 795     va_list ap;
 796         char msg[512];
 797
 798     va_start(ap, fmt);
 799     vsnprintf(msg, sizeof(msg), fmt, ap);
 800     va_end(ap);
 801
 802     yywarn(msg);
 803 }
 804
 805 int
 806 yycf_switch_buffer(path)
 807         char *path;
 808 {
 809         char *filepath = NULL;
 810
 811         /* got the include file name */
 812         if (incstackp >= MAX_INCLUDE_DEPTH) {
 813                 plog(ASL_LEVEL_ERR,
 814                         "Includes nested too deeply");
 815                 return -1;
 816         }
 817
 818         if (glob(path, GLOB_TILDE, NULL, &incstack[incstackp].matches) != 0 ||
 819             incstack[incstackp].matches.gl_pathc == 0) {
 820                 plog(ASL_LEVEL_WARNING,
 821                         "glob found no matches for path \"%s\"\n", path);
 822                 return 0;
 823         }
 824         incstack[incstackp].matchon = 0;
 825         incstack[incstackp].prevstate = YY_CURRENT_BUFFER;
 826
 827     nextmatch:
 828         if (incstack[incstackp].matchon >= incstack[incstackp].matches.gl_pathc)
 829                 return -1;
 830         filepath =
 831             incstack[incstackp].matches.gl_pathv[incstack[incstackp].matchon];
 832         incstack[incstackp].matchon++;
 833         incstackp++;
 834
 835         if (yycf_set_buffer(filepath) != 0) {
 836               incstackp--;
 837               goto nextmatch;
 838         }
 839
 840         yy_switch_to_buffer(yy_create_buffer(yyin, YY_BUF_SIZE));
 841
 842         BEGIN(S_INI);
 843
 844         return 0;
 845 }
 846
 847 int
 848 yycf_set_buffer(path)
 849         char *path;
 850 {
 851         yyin = fopen(path, "r");
 852         if (yyin == NULL) {
 853                 fprintf(stderr, "failed to open file %s (%s)\n",
 854                         path, strerror(errno));
 855                 plog(ASL_LEVEL_ERR,
 856                         "failed to open file %s (%s)\n",
 857                         path, strerror(errno));
 858                 return -1;
 859         }
 860
 861         /* initialize */
 862         if (incstack[incstackp].path != NULL) {
 863                 fclose(incstack[incstackp].fp);
 864                 racoon_free(incstack[incstackp].path);
 865         }
 866         incstack[incstackp].fp = yyin;
 867         incstack[incstackp].path = racoon_strdup(path);
 868         STRDUP_FATAL(incstack[incstackp].path);
 869         incstack[incstackp].lineno = 1;
 870         plog(ASL_LEVEL_DEBUG,
 871                 "reading configuration file %s\n", path);
 872
 873         return 0;
 874 }
 875
 876 void
 877 yycf_init_buffer()
 878 {
 879         int i;
 880
 881         for (i = 0; i < MAX_INCLUDE_DEPTH; i++)
 882                 memset(&incstack[i], 0, sizeof(incstack[i]));
 883         incstackp = 0;
 884 }
 885
 886 void
 887 yycf_clean_buffer()
 888 {
 889         int i;
 890
 891         for (i = 0; i < MAX_INCLUDE_DEPTH; i++) {
 892                 if (incstack[i].path != NULL) {
 893                         fclose(incstack[i].fp);
 894                         racoon_free(incstack[i].path);
 895                         incstack[i].path = NULL;
 896                 }
 897         }
 898 }
 899