1 /* $NetBSD: cftoken.l,v 1.11.4.2 2007/09/03 18:07:29 mgrooms Exp $ */ 2 3 /* Id: cftoken.l,v 1.53 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/socket.h> 40 41 #include <netinet/in.h> 42 #include PATH_IPSEC_H 43 44 #include <stdlib.h> 45 #include <stdio.h> 46 #include <string.h> 47 #include <errno.h> 48 #include <limits.h> 49 #include <ctype.h> 50 #include <glob.h> 51 #ifdef HAVE_STDARG_H 52 #include <stdarg.h> 53 #else 54 #include <varargs.h> 55 #endif 56 57 #include "var.h" 58 #include "misc.h" 59 #include "vmbuf.h" 60 #include "plog.h" 61 #include "debug.h" 62 63 #include "algorithm.h" 64 #include "cfparse_proto.h" 65 #include "cftoken_proto.h" 66 #include "localconf.h" 67 #include "oakley.h" 68 #include "isakmp_var.h" 69 #include "isakmp.h" 70 #include "ipsec_doi.h" 71 #include "policy.h" 72 #include "proposal.h" 73 #include "remoteconf.h" 74 #ifdef GC 75 #include "gcmalloc.h" 76 #endif 77 78 #include "cfparse.h" 79 80 int yyerrorcount = 0; 81 82 #if defined(YIPS_DEBUG) 83 # define YYDB plog(LLV_DEBUG2, LOCATION, NULL, \ 84 "begin <%d>%s\n", yy_start, yytext); 85 # define YYD { \ 86 plog(LLV_DEBUG2, LOCATION, NULL, "<%d>%s", \ 87 yy_start, loglevel >= LLV_DEBUG2 ? "\n" : ""); \ 88 } 89 #else 90 # define YYDB 91 # define YYD 92 #endif /* defined(YIPS_DEBUG) */ 93 94 #define MAX_INCLUDE_DEPTH 10 95 96 static struct include_stack { 97 char *path; 98 FILE *fp; 99 YY_BUFFER_STATE prevstate; 100 int lineno; 101 glob_t matches; 102 int matchon; 103 } incstack[MAX_INCLUDE_DEPTH]; 104 static int incstackp = 0; 105 106 static int yy_first_time = 1; 107 %} 108 109 /* common seciton */ 110 nl \n 111 ws [ \t]+ 112 digit [0-9] 113 letter [A-Za-z] 114 hexdigit [0-9A-Fa-f] 115 /*octet (([01]?{digit}?{digit})|((2([0-4]{digit}))|(25[0-5]))) */ 116 special [()+\|\?\*] 117 comma \, 118 dot \. 119 slash \/ 120 bcl \{ 121 ecl \} 122 blcl \[ 123 elcl \] 124 hyphen \- 125 percent \% 126 semi \; 127 comment \#.* 128 ccomment "/*" 129 bracketstring \<[^>]*\> 130 quotedstring \"[^"]*\" 131 addrstring [a-fA-F0-9:]([a-fA-F0-9:\.]*|[a-fA-F0-9:\.]*%[a-zA-Z0-9]*) 132 decstring {digit}+ 133 hexstring 0x{hexdigit}+ 134 135 %s S_INI S_PRIV S_PTH S_INF S_LOG S_PAD S_LST S_RTRY S_CFG S_LDAP 136 %s S_ALGST S_ALGCL 137 %s S_SAINF S_SAINFS 138 %s S_RMT S_RMTS S_RMTP 139 %s S_SA 140 %s S_GSSENC 141 142 %% 143 %{ 144 if (yy_first_time) { 145 BEGIN S_INI; 146 yy_first_time = 0; 147 } 148 %} 149 150 /* privsep */ 151 <S_INI>privsep { BEGIN S_PRIV; YYDB; return(PRIVSEP); } 152 <S_PRIV>{bcl} { return(BOC); } 153 <S_PRIV>user { YYD; return(USER); } 154 <S_PRIV>group { YYD; return(GROUP); } 155 <S_PRIV>chroot { YYD; return(CHROOT); } 156 <S_PRIV>{ecl} { BEGIN S_INI; return(EOC); } 157 158 /* path */ 159 <S_INI>path { BEGIN S_PTH; YYDB; return(PATH); } 160 <S_PTH>include { YYD; yylval.num = LC_PATHTYPE_INCLUDE; 161 return(PATHTYPE); } 162 <S_PTH>pre_shared_key { YYD; yylval.num = LC_PATHTYPE_PSK; 163 return(PATHTYPE); } 164 <S_PTH>certificate { YYD; yylval.num = LC_PATHTYPE_CERT; 165 return(PATHTYPE); } 166 <S_PTH>script { YYD; yylval.num = LC_PATHTYPE_SCRIPT; 167 return(PATHTYPE); } 168 <S_PTH>backupsa { YYD; yylval.num = LC_PATHTYPE_BACKUPSA; 169 return(PATHTYPE); } 170 <S_PTH>pidfile { YYD; yylval.num = LC_PATHTYPE_PIDFILE; 171 return(PATHTYPE); } 172 <S_PTH>{semi} { BEGIN S_INI; YYDB; return(EOS); } 173 174 /* include */ 175 <S_INI>include { YYDB; return(INCLUDE); } 176 177 /* self information */ 178 <S_INI>identifier { BEGIN S_INF; YYDB; yywarn("it is obsoleted. use \"my_identifier\" in each remote directives."); return(IDENTIFIER); } 179 <S_INF>{semi} { BEGIN S_INI; return(EOS); } 180 181 /* special */ 182 <S_INI>complex_bundle { YYDB; return(COMPLEX_BUNDLE); } 183 184 /* logging */ 185 <S_INI>log { BEGIN S_LOG; YYDB; return(LOGGING); } 186 <S_LOG>error { YYD; yylval.num = LLV_ERROR; return(LOGLEV); } 187 <S_LOG>warning { YYD; yylval.num = LLV_WARNING; return(LOGLEV); } 188 <S_LOG>notify { YYD; yylval.num = LLV_NOTIFY; return(LOGLEV); } 189 <S_LOG>info { YYD; yylval.num = LLV_INFO; return(LOGLEV); } 190 <S_LOG>debug { YYD; yylval.num = LLV_DEBUG; return(LOGLEV); } 191 <S_LOG>debug2 { YYD; yylval.num = LLV_DEBUG2; return(LOGLEV); } 192 <S_LOG>debug3 { YYD; yywarn("it is obsoleted. use \"debug2\""); yylval.num = LLV_DEBUG2; return(LOGLEV); } 193 <S_LOG>debug4 { YYD; yywarn("it is obsoleted. use \"debug2\""); yylval.num = LLV_DEBUG2; return(LOGLEV); } 194 <S_LOG>{semi} { BEGIN S_INI; return(EOS); } 195 196 /* padding */ 197 <S_INI>padding { BEGIN S_PAD; YYDB; return(PADDING); } 198 <S_PAD>{bcl} { return(BOC); } 199 <S_PAD>randomize { YYD; return(PAD_RANDOMIZE); } 200 <S_PAD>randomize_length { YYD; return(PAD_RANDOMIZELEN); } 201 <S_PAD>maximum_length { YYD; return(PAD_MAXLEN); } 202 <S_PAD>strict_check { YYD; return(PAD_STRICT); } 203 <S_PAD>exclusive_tail { YYD; return(PAD_EXCLTAIL); } 204 <S_PAD>{ecl} { BEGIN S_INI; return(EOC); } 205 206 /* listen */ 207 <S_INI>listen { BEGIN S_LST; YYDB; return(LISTEN); } 208 <S_LST>{bcl} { return(BOC); } 209 <S_LST>isakmp { YYD; return(X_ISAKMP); } 210 <S_LST>isakmp_natt { YYD; return(X_ISAKMP_NATT); } 211 <S_LST>admin { YYD; return(X_ADMIN); } 212 <S_LST>adminsock { YYD; return(ADMINSOCK); } 213 <S_LST>disabled { YYD; return(DISABLED); } 214 <S_LST>strict_address { YYD; return(STRICT_ADDRESS); } 215 <S_LST>{ecl} { BEGIN S_INI; return(EOC); } 216 217 /* ldap config */ 218 <S_INI>ldapcfg { BEGIN S_LDAP; YYDB; return(LDAPCFG); } 219 <S_LDAP>{bcl} { return(BOC); } 220 <S_LDAP>version { YYD; return(LDAP_PVER); } 221 <S_LDAP>host { YYD; return(LDAP_HOST); } 222 <S_LDAP>port { YYD; return(LDAP_PORT); } 223 <S_LDAP>base { YYD; return(LDAP_BASE); } 224 <S_LDAP>subtree { YYD; return(LDAP_SUBTREE); } 225 <S_LDAP>bind_dn { YYD; return(LDAP_BIND_DN); } 226 <S_LDAP>bind_pw { YYD; return(LDAP_BIND_PW); } 227 <S_LDAP>attr_user { YYD; return(LDAP_ATTR_USER); } 228 <S_LDAP>attr_addr { YYD; return(LDAP_ATTR_ADDR); } 229 <S_LDAP>attr_mask { YYD; return(LDAP_ATTR_MASK); } 230 <S_LDAP>attr_group { YYD; return(LDAP_ATTR_GROUP); } 231 <S_LDAP>attr_member { YYD; return(LDAP_ATTR_MEMBER); } 232 <S_LDAP>{ecl} { BEGIN S_INI; return(EOC); } 233 234 /* mode_cfg */ 235 <S_INI>mode_cfg { BEGIN S_CFG; YYDB; return(MODECFG); } 236 <S_CFG>{bcl} { return(BOC); } 237 <S_CFG>network4 { YYD; return(CFG_NET4); } 238 <S_CFG>netmask4 { YYD; return(CFG_MASK4); } 239 <S_CFG>dns4 { YYD; return(CFG_DNS4); } 240 <S_CFG>nbns4 { YYD; return(CFG_NBNS4); } 241 <S_CFG>wins4 { YYD; return(CFG_NBNS4); } 242 <S_CFG>default_domain { YYD; return(CFG_DEFAULT_DOMAIN); } 243 <S_CFG>auth_source { YYD; return(CFG_AUTH_SOURCE); } 244 <S_CFG>auth_groups { YYD; return(CFG_AUTH_GROUPS); } 245 <S_CFG>group_source { YYD; return(CFG_GROUP_SOURCE); } 246 <S_CFG>conf_source { YYD; return(CFG_CONF_SOURCE); } 247 <S_CFG>accounting { YYD; return(CFG_ACCOUNTING); } 248 <S_CFG>system { YYD; return(CFG_SYSTEM); } 249 <S_CFG>local { YYD; return(CFG_LOCAL); } 250 <S_CFG>none { YYD; return(CFG_NONE); } 251 <S_CFG>radius { YYD; return(CFG_RADIUS); } 252 <S_CFG>pam { YYD; return(CFG_PAM); } 253 <S_CFG>ldap { YYD; return(CFG_LDAP); } 254 <S_CFG>pool_size { YYD; return(CFG_POOL_SIZE); } 255 <S_CFG>banner { YYD; return(CFG_MOTD); } 256 <S_CFG>auth_throttle { YYD; return(CFG_AUTH_THROTTLE); } 257 <S_CFG>split_network { YYD; return(CFG_SPLIT_NETWORK); } 258 <S_CFG>local_lan { YYD; return(CFG_SPLIT_LOCAL); } 259 <S_CFG>include { YYD; return(CFG_SPLIT_INCLUDE); } 260 <S_CFG>split_dns { YYD; return(CFG_SPLIT_DNS); } 261 <S_CFG>pfs_group { YYD; return(CFG_PFS_GROUP); } 262 <S_CFG>save_passwd { YYD; return(CFG_SAVE_PASSWD); } 263 <S_CFG>{comma} { YYD; return(COMMA); } 264 <S_CFG>{ecl} { BEGIN S_INI; return(EOC); } 265 266 /* timer */ 267 <S_INI>timer { BEGIN S_RTRY; YYDB; return(RETRY); } 268 <S_RTRY>{bcl} { return(BOC); } 269 <S_RTRY>counter { YYD; return(RETRY_COUNTER); } 270 <S_RTRY>interval { YYD; return(RETRY_INTERVAL); } 271 <S_RTRY>persend { YYD; return(RETRY_PERSEND); } 272 <S_RTRY>phase1 { YYD; return(RETRY_PHASE1); } 273 <S_RTRY>phase2 { YYD; return(RETRY_PHASE2); } 274 <S_RTRY>natt_keepalive { YYD; return(NATT_KA); } 275 <S_RTRY>{ecl} { BEGIN S_INI; return(EOC); } 276 277 /* sainfo */ 278 <S_INI>sainfo { BEGIN S_SAINF; YYDB; return(SAINFO); } 279 <S_SAINF>anonymous { YYD; return(ANONYMOUS); } 280 <S_SAINF>{blcl}any{elcl} { YYD; return(PORTANY); } 281 <S_SAINF>any { YYD; return(ANY); } 282 <S_SAINF>from { YYD; return(FROM); } 283 <S_SAINF>group { YYD; return(GROUP); } 284 /* sainfo spec */ 285 <S_SAINF>{bcl} { BEGIN S_SAINFS; return(BOC); } 286 <S_SAINF>{semi} { BEGIN S_INI; return(EOS); } 287 <S_SAINFS>{ecl} { BEGIN S_INI; return(EOC); } 288 <S_SAINFS>pfs_group { YYD; return(PFS_GROUP); } 289 <S_SAINFS>remoteid { YYD; return(REMOTEID); } 290 <S_SAINFS>identifier { YYD; yywarn("it is obsoleted. use \"my_identifier\"."); return(IDENTIFIER); } 291 <S_SAINFS>my_identifier { YYD; return(MY_IDENTIFIER); } 292 <S_SAINFS>lifetime { YYD; return(LIFETIME); } 293 <S_SAINFS>time { YYD; return(LIFETYPE_TIME); } 294 <S_SAINFS>byte { YYD; return(LIFETYPE_BYTE); } 295 <S_SAINFS>encryption_algorithm { YYD; yylval.num = algclass_ipsec_enc; return(ALGORITHM_CLASS); } 296 <S_SAINFS>authentication_algorithm { YYD; yylval.num = algclass_ipsec_auth; return(ALGORITHM_CLASS); } 297 <S_SAINFS>compression_algorithm { YYD; yylval.num = algclass_ipsec_comp; return(ALGORITHM_CLASS); } 298 <S_SAINFS>{comma} { YYD; return(COMMA); } 299 300 /* remote */ 301 <S_INI>remote { BEGIN S_RMT; YYDB; return(REMOTE); } 302 <S_RMT>anonymous { YYD; return(ANONYMOUS); } 303 <S_RMT>inherit { YYD; return(INHERIT); } 304 /* remote spec */ 305 <S_RMT>{bcl} { BEGIN S_RMTS; return(BOC); } 306 <S_RMTS>{ecl} { BEGIN S_INI; return(EOC); } 307 <S_RMTS>exchange_mode { YYD; return(EXCHANGE_MODE); } 308 <S_RMTS>{comma} { YYD; /* XXX ignored, but to be handled. */ ; } 309 <S_RMTS>base { YYD; yylval.num = ISAKMP_ETYPE_BASE; return(EXCHANGETYPE); } 310 <S_RMTS>main { YYD; yylval.num = ISAKMP_ETYPE_IDENT; return(EXCHANGETYPE); } 311 <S_RMTS>aggressive { YYD; yylval.num = ISAKMP_ETYPE_AGG; return(EXCHANGETYPE); } 312 <S_RMTS>doi { YYD; return(DOI); } 313 <S_RMTS>ipsec_doi { YYD; yylval.num = IPSEC_DOI; return(DOITYPE); } 314 <S_RMTS>situation { YYD; return(SITUATION); } 315 <S_RMTS>identity_only { YYD; yylval.num = IPSECDOI_SIT_IDENTITY_ONLY; return(SITUATIONTYPE); } 316 <S_RMTS>secrecy { YYD; yylval.num = IPSECDOI_SIT_SECRECY; return(SITUATIONTYPE); } 317 <S_RMTS>integrity { YYD; yylval.num = IPSECDOI_SIT_INTEGRITY; return(SITUATIONTYPE); } 318 <S_RMTS>identifier { YYD; yywarn("it is obsoleted. use \"my_identifier\"."); return(IDENTIFIER); } 319 <S_RMTS>my_identifier { YYD; return(MY_IDENTIFIER); } 320 <S_RMTS>xauth_login { YYD; return(XAUTH_LOGIN); /* formerly identifier type login */ } 321 <S_RMTS>peers_identifier { YYD; return(PEERS_IDENTIFIER); } 322 <S_RMTS>verify_identifier { YYD; return(VERIFY_IDENTIFIER); } 323 <S_RMTS>certificate_type { YYD; return(CERTIFICATE_TYPE); } 324 <S_RMTS>ca_type { YYD; return(CA_TYPE); } 325 <S_RMTS>x509 { YYD; yylval.num = ISAKMP_CERT_X509SIGN; return(CERT_X509); } 326 <S_RMTS>plain_rsa { YYD; yylval.num = ISAKMP_CERT_PLAINRSA; return(CERT_PLAINRSA); } 327 <S_RMTS>peers_certfile { YYD; return(PEERS_CERTFILE); } 328 <S_RMTS>dnssec { YYD; return(DNSSEC); } 329 <S_RMTS>verify_cert { YYD; return(VERIFY_CERT); } 330 <S_RMTS>send_cert { YYD; return(SEND_CERT); } 331 <S_RMTS>send_cr { YYD; return(SEND_CR); } 332 <S_RMTS>dh_group { YYD; return(DH_GROUP); } 333 <S_RMTS>nonce_size { YYD; return(NONCE_SIZE); } 334 <S_RMTS>generate_policy { YYD; return(GENERATE_POLICY); } 335 <S_RMTS>unique { YYD; yylval.num = GENERATE_POLICY_UNIQUE; return(GENERATE_LEVEL); } 336 <S_RMTS>require { YYD; yylval.num = GENERATE_POLICY_REQUIRE; return(GENERATE_LEVEL); } 337 <S_RMTS>support_mip6 { YYD; yywarn("it is obsoleted. use \"support_proxy\"."); return(SUPPORT_PROXY); } 338 <S_RMTS>support_proxy { YYD; return(SUPPORT_PROXY); } 339 <S_RMTS>initial_contact { YYD; return(INITIAL_CONTACT); } 340 <S_RMTS>nat_traversal { YYD; return(NAT_TRAVERSAL); } 341 <S_RMTS>force { YYD; return(REMOTE_FORCE_LEVEL); } 342 <S_RMTS>proposal_check { YYD; return(PROPOSAL_CHECK); } 343 <S_RMTS>obey { YYD; yylval.num = PROP_CHECK_OBEY; return(PROPOSAL_CHECK_LEVEL); } 344 <S_RMTS>strict { YYD; yylval.num = PROP_CHECK_STRICT; return(PROPOSAL_CHECK_LEVEL); } 345 <S_RMTS>exact { YYD; yylval.num = PROP_CHECK_EXACT; return(PROPOSAL_CHECK_LEVEL); } 346 <S_RMTS>claim { YYD; yylval.num = PROP_CHECK_CLAIM; return(PROPOSAL_CHECK_LEVEL); } 347 <S_RMTS>keepalive { YYD; return(KEEPALIVE); } 348 <S_RMTS>passive { YYD; return(PASSIVE); } 349 <S_RMTS>lifetime { YYD; return(LIFETIME); } 350 <S_RMTS>time { YYD; return(LIFETYPE_TIME); } 351 <S_RMTS>byte { YYD; return(LIFETYPE_BYTE); } 352 <S_RMTS>dpd { YYD; return(DPD); } 353 <S_RMTS>dpd_delay { YYD; return(DPD_DELAY); } 354 <S_RMTS>dpd_retry { YYD; return(DPD_RETRY); } 355 <S_RMTS>dpd_maxfail { YYD; return(DPD_MAXFAIL); } 356 <S_RMTS>ph1id { YYD; return(PH1ID); } 357 <S_RMTS>ike_frag { YYD; return(IKE_FRAG); } 358 <S_RMTS>esp_frag { YYD; return(ESP_FRAG); } 359 <S_RMTS>script { YYD; return(SCRIPT); } 360 <S_RMTS>phase1_up { YYD; return(PHASE1_UP); } 361 <S_RMTS>phase1_down { YYD; return(PHASE1_DOWN); } 362 <S_RMTS>mode_cfg { YYD; return(MODE_CFG); } 363 <S_RMTS>weak_phase1_check { YYD; return(WEAK_PHASE1_CHECK); } 364 /* remote proposal */ 365 <S_RMTS>proposal { BEGIN S_RMTP; YYDB; return(PROPOSAL); } 366 <S_RMTP>{bcl} { return(BOC); } 367 <S_RMTP>{ecl} { BEGIN S_RMTS; return(EOC); } 368 <S_RMTP>lifetime { YYD; return(LIFETIME); } 369 <S_RMTP>time { YYD; return(LIFETYPE_TIME); } 370 <S_RMTP>byte { YYD; return(LIFETYPE_BYTE); } 371 <S_RMTP>encryption_algorithm { YYD; yylval.num = algclass_isakmp_enc; return(ALGORITHM_CLASS); } 372 <S_RMTP>authentication_method { YYD; yylval.num = algclass_isakmp_ameth; return(ALGORITHM_CLASS); } 373 <S_RMTP>hash_algorithm { YYD; yylval.num = algclass_isakmp_hash; return(ALGORITHM_CLASS); } 374 <S_RMTP>dh_group { YYD; return(DH_GROUP); } 375 <S_RMTP>gss_id { YYD; return(GSS_ID); } 376 <S_RMTP>gssapi_id { YYD; return(GSS_ID); } /* for back compatibility */ 377 378 /* GSS ID encoding type (global) */ 379 <S_INI>gss_id_enc { BEGIN S_GSSENC; YYDB; return(GSS_ID_ENC); } 380 <S_GSSENC>latin1 { YYD; yylval.num = LC_GSSENC_LATIN1; 381 return(GSS_ID_ENCTYPE); } 382 <S_GSSENC>utf-16le { YYD; yylval.num = LC_GSSENC_UTF16LE; 383 return(GSS_ID_ENCTYPE); } 384 <S_GSSENC>{semi} { BEGIN S_INI; YYDB; return(EOS); } 385 386 /* parameter */ 387 on { YYD; yylval.num = TRUE; return(SWITCH); } 388 off { YYD; yylval.num = FALSE; return(SWITCH); } 389 390 /* prefix */ 391 {slash}{digit}{1,3} { 392 YYD; 393 yytext++; 394 yylval.num = atoi(yytext); 395 return(PREFIX); 396 } 397 398 /* port number */ 399 {blcl}{decstring}{elcl} { 400 char *p = yytext; 401 YYD; 402 while (*++p != ']') ; 403 *p = 0; 404 yytext++; 405 yylval.num = atoi(yytext); 406 return(PORT); 407 } 408 409 /* address range */ 410 {hyphen}{addrstring} { 411 YYD; 412 yytext++; 413 yylval.val = vmalloc(yyleng + 1); 414 if (yylval.val == NULL) { 415 yyerror("vmalloc failed"); 416 return -1; 417 } 418 memcpy(yylval.val->v, yytext, yylval.val->l); 419 return(ADDRRANGE); 420 } 421 422 /* upper protocol */ 423 esp { YYD; yylval.num = IPPROTO_ESP; return(UL_PROTO); } 424 ah { YYD; yylval.num = IPPROTO_AH; return(UL_PROTO); } 425 ipcomp { YYD; yylval.num = IPPROTO_IPCOMP; return(UL_PROTO); } 426 icmp { YYD; yylval.num = IPPROTO_ICMP; return(UL_PROTO); } 427 icmp6 { YYD; yylval.num = IPPROTO_ICMPV6; return(UL_PROTO); } 428 tcp { YYD; yylval.num = IPPROTO_TCP; return(UL_PROTO); } 429 udp { YYD; yylval.num = IPPROTO_UDP; return(UL_PROTO); } 430 431 /* algorithm type */ 432 des_iv64 { YYD; yylval.num = algtype_des_iv64; return(ALGORITHMTYPE); } 433 des { YYD; yylval.num = algtype_des; return(ALGORITHMTYPE); } 434 3des { YYD; yylval.num = algtype_3des; return(ALGORITHMTYPE); } 435 rc5 { YYD; yylval.num = algtype_rc5; return(ALGORITHMTYPE); } 436 idea { YYD; yylval.num = algtype_idea; return(ALGORITHMTYPE); } 437 cast128 { YYD; yylval.num = algtype_cast128; return(ALGORITHMTYPE); } 438 blowfish { YYD; yylval.num = algtype_blowfish; return(ALGORITHMTYPE); } 439 3idea { YYD; yylval.num = algtype_3idea; return(ALGORITHMTYPE); } 440 des_iv32 { YYD; yylval.num = algtype_des_iv32; return(ALGORITHMTYPE); } 441 rc4 { YYD; yylval.num = algtype_rc4; return(ALGORITHMTYPE); } 442 null_enc { YYD; yylval.num = algtype_null_enc; return(ALGORITHMTYPE); } 443 null { YYD; yylval.num = algtype_null_enc; return(ALGORITHMTYPE); } 444 aes { YYD; yylval.num = algtype_aes; return(ALGORITHMTYPE); } 445 rijndael { YYD; yylval.num = algtype_aes; return(ALGORITHMTYPE); } 446 twofish { YYD; yylval.num = algtype_twofish; return(ALGORITHMTYPE); } 447 camellia { YYD; yylval.num = algtype_camellia; return(ALGORITHMTYPE); } 448 non_auth { YYD; yylval.num = algtype_non_auth; return(ALGORITHMTYPE); } 449 hmac_md5 { YYD; yylval.num = algtype_hmac_md5; return(ALGORITHMTYPE); } 450 hmac_sha1 { YYD; yylval.num = algtype_hmac_sha1; return(ALGORITHMTYPE); } 451 hmac_sha2_256 { YYD; yylval.num = algtype_hmac_sha2_256; return(ALGORITHMTYPE); } 452 hmac_sha256 { YYD; yylval.num = algtype_hmac_sha2_256; return(ALGORITHMTYPE); } 453 hmac_sha2_384 { YYD; yylval.num = algtype_hmac_sha2_384; return(ALGORITHMTYPE); } 454 hmac_sha384 { YYD; yylval.num = algtype_hmac_sha2_384; return(ALGORITHMTYPE); } 455 hmac_sha2_512 { YYD; yylval.num = algtype_hmac_sha2_512; return(ALGORITHMTYPE); } 456 hmac_sha512 { YYD; yylval.num = algtype_hmac_sha2_512; return(ALGORITHMTYPE); } 457 des_mac { YYD; yylval.num = algtype_des_mac; return(ALGORITHMTYPE); } 458 kpdk { YYD; yylval.num = algtype_kpdk; return(ALGORITHMTYPE); } 459 md5 { YYD; yylval.num = algtype_md5; return(ALGORITHMTYPE); } 460 sha1 { YYD; yylval.num = algtype_sha1; return(ALGORITHMTYPE); } 461 tiger { YYD; yylval.num = algtype_tiger; return(ALGORITHMTYPE); } 462 sha2_256 { YYD; yylval.num = algtype_sha2_256; return(ALGORITHMTYPE); } 463 sha256 { YYD; yylval.num = algtype_sha2_256; return(ALGORITHMTYPE); } 464 sha2_384 { YYD; yylval.num = algtype_sha2_384; return(ALGORITHMTYPE); } 465 sha384 { YYD; yylval.num = algtype_sha2_384; return(ALGORITHMTYPE); } 466 sha2_512 { YYD; yylval.num = algtype_sha2_512; return(ALGORITHMTYPE); } 467 sha512 { YYD; yylval.num = algtype_sha2_512; return(ALGORITHMTYPE); } 468 oui { YYD; yylval.num = algtype_oui; return(ALGORITHMTYPE); } 469 deflate { YYD; yylval.num = algtype_deflate; return(ALGORITHMTYPE); } 470 lzs { YYD; yylval.num = algtype_lzs; return(ALGORITHMTYPE); } 471 modp768 { YYD; yylval.num = algtype_modp768; return(ALGORITHMTYPE); } 472 modp1024 { YYD; yylval.num = algtype_modp1024; return(ALGORITHMTYPE); } 473 modp1536 { YYD; yylval.num = algtype_modp1536; return(ALGORITHMTYPE); } 474 ec2n155 { YYD; yylval.num = algtype_ec2n155; return(ALGORITHMTYPE); } 475 ec2n185 { YYD; yylval.num = algtype_ec2n185; return(ALGORITHMTYPE); } 476 modp2048 { YYD; yylval.num = algtype_modp2048; return(ALGORITHMTYPE); } 477 modp3072 { YYD; yylval.num = algtype_modp3072; return(ALGORITHMTYPE); } 478 modp4096 { YYD; yylval.num = algtype_modp4096; return(ALGORITHMTYPE); } 479 modp6144 { YYD; yylval.num = algtype_modp6144; return(ALGORITHMTYPE); } 480 modp8192 { YYD; yylval.num = algtype_modp8192; return(ALGORITHMTYPE); } 481 pre_shared_key { YYD; yylval.num = algtype_psk; return(ALGORITHMTYPE); } 482 rsasig { YYD; yylval.num = algtype_rsasig; return(ALGORITHMTYPE); } 483 dsssig { YYD; yylval.num = algtype_dsssig; return(ALGORITHMTYPE); } 484 rsaenc { YYD; yylval.num = algtype_rsaenc; return(ALGORITHMTYPE); } 485 rsarev { YYD; yylval.num = algtype_rsarev; return(ALGORITHMTYPE); } 486 gssapi_krb { YYD; yylval.num = algtype_gssapikrb; return(ALGORITHMTYPE); } 487 hybrid_rsa_server { 488 #ifdef ENABLE_HYBRID 489 YYD; yylval.num = algtype_hybrid_rsa_s; return(ALGORITHMTYPE); 490 #else 491 yyerror("racoon not configured with --enable-hybrid"); 492 #endif 493 } 494 hybrid_dss_server { 495 #ifdef ENABLE_HYBRID 496 YYD; yylval.num = algtype_hybrid_dss_s; return(ALGORITHMTYPE); 497 #else 498 yyerror("racoon not configured with --enable-hybrid"); 499 #endif 500 } 501 hybrid_rsa_client { 502 #ifdef ENABLE_HYBRID 503 YYD; yylval.num = algtype_hybrid_rsa_c; return(ALGORITHMTYPE); 504 #else 505 yyerror("racoon not configured with --enable-hybrid"); 506 #endif 507 } 508 hybrid_dss_client { 509 #ifdef ENABLE_HYBRID 510 YYD; yylval.num = algtype_hybrid_dss_c; return(ALGORITHMTYPE); 511 #else 512 yyerror("racoon not configured with --enable-hybrid"); 513 #endif 514 } 515 xauth_psk_server { 516 #ifdef ENABLE_HYBRID 517 YYD; yylval.num = algtype_xauth_psk_s; return(ALGORITHMTYPE); 518 #else 519 yyerror("racoon not configured with --enable-hybrid"); 520 #endif 521 } 522 xauth_psk_client { 523 #ifdef ENABLE_HYBRID 524 YYD; yylval.num = algtype_xauth_psk_c; return(ALGORITHMTYPE); 525 #else 526 yyerror("racoon not configured with --enable-hybrid"); 527 #endif 528 } 529 xauth_rsa_server { 530 #ifdef ENABLE_HYBRID 531 YYD; yylval.num = algtype_xauth_rsa_s; return(ALGORITHMTYPE); 532 #else 533 yyerror("racoon not configured with --enable-hybrid"); 534 #endif 535 } 536 xauth_rsa_client { 537 #ifdef ENABLE_HYBRID 538 YYD; yylval.num = algtype_xauth_rsa_c; return(ALGORITHMTYPE); 539 #else 540 yyerror("racoon not configured with --enable-hybrid"); 541 #endif 542 } 543 544 545 /* identifier type */ 546 vendor_id { YYD; yywarn("it is obsoleted."); return(VENDORID); } 547 user_fqdn { YYD; yylval.num = IDTYPE_USERFQDN; return(IDENTIFIERTYPE); } 548 fqdn { YYD; yylval.num = IDTYPE_FQDN; return(IDENTIFIERTYPE); } 549 keyid { YYD; yylval.num = IDTYPE_KEYID; return(IDENTIFIERTYPE); } 550 address { YYD; yylval.num = IDTYPE_ADDRESS; return(IDENTIFIERTYPE); } 551 subnet { YYD; yylval.num = IDTYPE_SUBNET; return(IDENTIFIERTYPE); } 552 asn1dn { YYD; yylval.num = IDTYPE_ASN1DN; return(IDENTIFIERTYPE); } 553 certname { YYD; yywarn("certname will be obsoleted in near future."); yylval.num = IDTYPE_ASN1DN; return(IDENTIFIERTYPE); } 554 555 /* identifier qualifier */ 556 tag { YYD; yylval.num = IDQUAL_TAG; return(IDENTIFIERQUAL); } 557 file { YYD; yylval.num = IDQUAL_FILE; return(IDENTIFIERQUAL); } 558 559 /* units */ 560 B|byte|bytes { YYD; return(UNITTYPE_BYTE); } 561 KB { YYD; return(UNITTYPE_KBYTES); } 562 MB { YYD; return(UNITTYPE_MBYTES); } 563 TB { YYD; return(UNITTYPE_TBYTES); } 564 sec|secs|second|seconds { YYD; return(UNITTYPE_SEC); } 565 min|mins|minute|minutes { YYD; return(UNITTYPE_MIN); } 566 hour|hours { YYD; return(UNITTYPE_HOUR); } 567 568 /* boolean */ 569 yes { YYD; yylval.num = TRUE; return(BOOLEAN); } 570 no { YYD; yylval.num = FALSE; return(BOOLEAN); } 571 572 {decstring} { 573 char *bp; 574 575 YYD; 576 yylval.num = strtol(yytext, &bp, 10); 577 return(NUMBER); 578 } 579 580 {hexstring} { 581 char *p; 582 583 YYD; 584 yylval.val = vmalloc(yyleng + (yyleng & 1) + 1); 585 if (yylval.val == NULL) { 586 yyerror("vmalloc failed"); 587 return -1; 588 } 589 590 p = yylval.val->v; 591 *p++ = '0'; 592 *p++ = 'x'; 593 594 /* fixed string if length is odd. */ 595 if (yyleng & 1) 596 *p++ = '0'; 597 memcpy(p, &yytext[2], yyleng - 1); 598 599 return(HEXSTRING); 600 } 601 602 {quotedstring} { 603 char *p = yytext; 604 605 YYD; 606 while (*++p != '"') ; 607 *p = '\0'; 608 609 yylval.val = vmalloc(yyleng - 1); 610 if (yylval.val == NULL) { 611 yyerror("vmalloc failed"); 612 return -1; 613 } 614 memcpy(yylval.val->v, &yytext[1], yylval.val->l); 615 616 return(QUOTEDSTRING); 617 } 618 619 {addrstring} { 620 YYD; 621 622 yylval.val = vmalloc(yyleng + 1); 623 if (yylval.val == NULL) { 624 yyerror("vmalloc failed"); 625 return -1; 626 } 627 memcpy(yylval.val->v, yytext, yylval.val->l); 628 629 return(ADDRSTRING); 630 } 631 632 <<EOF>> { 633 yy_delete_buffer(YY_CURRENT_BUFFER); 634 incstackp--; 635 nextfile: 636 if (incstack[incstackp].matchon < 637 incstack[incstackp].matches.gl_pathc) { 638 char* filepath = incstack[incstackp].matches.gl_pathv[incstack[incstackp].matchon]; 639 incstack[incstackp].matchon++; 640 incstackp++; 641 if (yycf_set_buffer(filepath) != 0) { 642 incstackp--; 643 goto nextfile; 644 } 645 yy_switch_to_buffer(yy_create_buffer(yyin, YY_BUF_SIZE)); 646 BEGIN(S_INI); 647 } else { 648 globfree(&incstack[incstackp].matches); 649 if (incstackp == 0) 650 yyterminate(); 651 else 652 yy_switch_to_buffer(incstack[incstackp].prevstate); 653 } 654 } 655 656 /* ... */ 657 {ws} { ; } 658 {nl} { incstack[incstackp].lineno++; } 659 {comment} { YYD; } 660 {semi} { return(EOS); } 661 . { yymore(); } 662 663 %% 664 665 void 666 yyerror(char *s, ...) 667 { 668 char fmt[512]; 669 670 va_list ap; 671 #ifdef HAVE_STDARG_H 672 va_start(ap, s); 673 #else 674 va_start(ap); 675 #endif 676 snprintf(fmt, sizeof(fmt), "%s:%d: \"%s\" %s\n", 677 incstack[incstackp].path, incstack[incstackp].lineno, 678 yytext, s); 679 plogv(LLV_ERROR, LOCATION, NULL, fmt, ap); 680 va_end(ap); 681 682 yyerrorcount++; 683 } 684 685 void 686 yywarn(char *s, ...) 687 { 688 char fmt[512]; 689 690 va_list ap; 691 #ifdef HAVE_STDARG_H 692 va_start(ap, s); 693 #else 694 va_start(ap); 695 #endif 696 snprintf(fmt, sizeof(fmt), "%s:%d: \"%s\" %s\n", 697 incstack[incstackp].path, incstack[incstackp].lineno, 698 yytext, s); 699 plogv(LLV_WARNING, LOCATION, NULL, fmt, ap); 700 va_end(ap); 701 } 702 703 int 704 yycf_switch_buffer(path) 705 char *path; 706 { 707 char *filepath = NULL; 708 709 /* got the include file name */ 710 if (incstackp >= MAX_INCLUDE_DEPTH) { 711 plog(LLV_ERROR, LOCATION, NULL, 712 "Includes nested too deeply"); 713 return -1; 714 } 715 716 if (glob(path, GLOB_TILDE, NULL, &incstack[incstackp].matches) != 0 || 717 incstack[incstackp].matches.gl_pathc == 0) { 718 plog(LLV_ERROR, LOCATION, NULL, 719 "glob found no matches for path \"%s\"\n", path); 720 return -1; 721 } 722 incstack[incstackp].matchon = 0; 723 incstack[incstackp].prevstate = YY_CURRENT_BUFFER; 724 725 nextmatch: 726 if (incstack[incstackp].matchon >= incstack[incstackp].matches.gl_pathc) 727 return -1; 728 filepath = 729 incstack[incstackp].matches.gl_pathv[incstack[incstackp].matchon]; 730 incstack[incstackp].matchon++; 731 incstackp++; 732 733 if (yycf_set_buffer(filepath) != 0) { 734 incstackp--; 735 goto nextmatch; 736 } 737 738 yy_switch_to_buffer(yy_create_buffer(yyin, YY_BUF_SIZE)); 739 740 BEGIN(S_INI); 741 742 return 0; 743 } 744 745 int 746 yycf_set_buffer(path) 747 char *path; 748 { 749 yyin = fopen(path, "r"); 750 if (yyin == NULL) { 751 fprintf(stderr, "failed to open file %s (%s)\n", 752 path, strerror(errno)); 753 plog(LLV_ERROR, LOCATION, NULL, 754 "failed to open file %s (%s)\n", 755 path, strerror(errno)); 756 return -1; 757 } 758 759 /* initialize */ 760 incstack[incstackp].fp = yyin; 761 if (incstack[incstackp].path != NULL) 762 racoon_free(incstack[incstackp].path); 763 incstack[incstackp].path = racoon_strdup(path); 764 STRDUP_FATAL(incstack[incstackp].path); 765 incstack[incstackp].lineno = 1; 766 plog(LLV_DEBUG, LOCATION, NULL, 767 "reading config file %s\n", path); 768 769 return 0; 770 } 771 772 void 773 yycf_init_buffer() 774 { 775 int i; 776 777 for (i = 0; i < MAX_INCLUDE_DEPTH; i++) 778 memset(&incstack[i], 0, sizeof(incstack[i])); 779 incstackp = 0; 780 } 781 782 void 783 yycf_clean_buffer() 784 { 785 int i; 786 787 for (i = 0; i < MAX_INCLUDE_DEPTH; i++) { 788 if (incstack[i].path != NULL) { 789 fclose(incstack[i].fp); 790 racoon_free(incstack[i].path); 791 incstack[i].path = NULL; 792 } 793 } 794 } 795 796
