libsecurity_codesigning/lib/RequirementParser.cpp

   1 /* $ANTLR 2.7.7 (20120228): "requirements.grammar" -> "RequirementParser.cpp"$ */
   2 #include "RequirementParser.hpp"
   3 #include <antlr/NoViableAltException.hpp>
   4 #include <antlr/SemanticException.hpp>
   5 #include <antlr/ASTFactory.hpp>
   6
   7 #include "requirement.h"
   8 #include "reqmaker.h"
   9 #include "csutilities.h"
  10 #include <security_utilities/cfutilities.h>
  11 #include <security_utilities/hashing.h>
  12 #include <security_cdsa_utilities/cssmdata.h>   // OID coding
  13 using namespace CodeSigning;
  14 typedef Requirement::Maker Maker;
  15
  16 ANTLR_BEGIN_NAMESPACE(Security_CodeSigning)
  17
  18         //
  19         // Collect error messages.
  20         // Note that the immediate caller takes the absence of collected error messages
  21         // to indicate compilation success.
  22         //
  23         void RequirementParser::reportError(const antlr::RecognitionException &ex)
  24         {
  25                 errors += ex.toString() + "\n";
  26         }
  27
  28         void RequirementParser::reportError(const std::string &s)
  29         {
  30                 errors += s + "\n";
  31         }
  32
  33
  34         //
  35         // Parser helper functions
  36         //
  37         string RequirementParser::hexString(const string &s)
  38         {
  39                 if (s.size() % 2)
  40                         throw antlr::SemanticException("odd number of digits");
  41                 const char *p = s.data();
  42                 string result;
  43                 for (unsigned n = 0; n < s.length(); n += 2) {
  44                         char c;
  45                         sscanf(p+n, "%2hhx", &c);
  46                         result.push_back(c);
  47                 }
  48                 return result;
  49         }
  50
  51         void RequirementParser::hashString(const string &s, SHA1::Digest hash)
  52         {
  53                 if (s.size() != 2 * SHA1::digestLength)
  54                         throw antlr::SemanticException("invalid hash length");
  55                 memcpy(hash, hexString(s).data(), SHA1::digestLength);
  56         }
  57
  58         static const char *matchPrefix(const string &key, const char *prefix)
  59         {
  60                 unsigned pLength = strlen(prefix);
  61                 if (!key.compare(0, pLength, prefix, 0, pLength))
  62                         return key.c_str() + pLength;
  63                 else
  64                         return NULL;
  65         }
  66
  67         void RequirementParser::certMatchOperation(Maker &maker, int32_t slot, string key)
  68         {
  69                 if (matchPrefix(key, "subject.")) {
  70                         maker.put(opCertField);
  71                         maker.put(slot);
  72                         maker.put(key);
  73                 } else if (const char *oids = matchPrefix(key, "field.")) {
  74                         maker.put(opCertGeneric);
  75                         maker.put(slot);
  76                         CssmAutoData oid(Allocator::standard()); oid.fromOid(oids);
  77                         maker.putData(oid.data(), oid.length());
  78                 } else if (const char *oids = matchPrefix(key, "extension.")) {
  79                         maker.put(opCertGeneric);
  80                         maker.put(slot);
  81                         CssmAutoData oid(Allocator::standard()); oid.fromOid(oids);
  82                         maker.putData(oid.data(), oid.length());
  83                 } else if (const char *oids = matchPrefix(key, "policy.")) {
  84                         maker.put(opCertPolicy);
  85                         maker.put(slot);
  86                         CssmAutoData oid(Allocator::standard()); oid.fromOid(oids);
  87                         maker.putData(oid.data(), oid.length());
  88                 } else {
  89                         throw antlr::SemanticException(key + ": unrecognized certificate field");
  90                 }
  91         }
  92
  93 RequirementParser::RequirementParser(antlr::TokenBuffer& tokenBuf, int k)
  94 : antlr::LLkParser(tokenBuf,k)
  95 {
  96 }
  97
  98 RequirementParser::RequirementParser(antlr::TokenBuffer& tokenBuf)
  99 : antlr::LLkParser(tokenBuf,2)
 100 {
 101 }
 102
 103 RequirementParser::RequirementParser(antlr::TokenStream& lexer, int k)
 104 : antlr::LLkParser(lexer,k)
 105 {
 106 }
 107
 108 RequirementParser::RequirementParser(antlr::TokenStream& lexer)
 109 : antlr::LLkParser(lexer,2)
 110 {
 111 }
 112
 113 RequirementParser::RequirementParser(const antlr::ParserSharedInputState& state)
 114 : antlr::LLkParser(state,2)
 115 {
 116 }
 117
 118 BlobCore * RequirementParser::autosense() {
 119         BlobCore *result = NULL;
 120
 121         try {      // for error handling
 122                 switch ( LA(1)) {
 123                 case LPAREN:
 124                 case NOT:
 125                 case LITERAL_always:
 126                 case LITERAL_true:
 127                 case LITERAL_never:
 128                 case LITERAL_false:
 129                 case LITERAL_identifier:
 130                 case LITERAL_cdhash:
 131                 case LITERAL_anchor:
 132                 case LITERAL_certificate:
 133                 case LITERAL_cert:
 134                 case LITERAL_info:
 135                 case LITERAL_entitlement:
 136                 {
 137                         result=requirement();
 138                         break;
 139                 }
 140                 case LITERAL_guest:
 141                 case LITERAL_host:
 142                 case LITERAL_designated:
 143                 case LITERAL_library:
 144                 case LITERAL_plugin:
 145                 case INTEGER:
 146                 {
 147                         result=requirementSet();
 148                         break;
 149                 }
 150                 default:
 151                 {
 152                         throw antlr::NoViableAltException(LT(1), getFilename());
 153                 }
 154                 }
 155         }
 156         catch (antlr::RecognitionException& ex) {
 157                 reportError(ex);
 158                 recover(ex,_tokenSet_0);
 159         }
 160         return result;
 161 }
 162
 163 Requirement * RequirementParser::requirement() {
 164         Requirement *result = NULL;
 165
 166         try {      // for error handling
 167                 result=requirementElement();
 168                 match(antlr::Token::EOF_TYPE);
 169         }
 170         catch (antlr::RecognitionException& ex) {
 171                 reportError(ex);
 172                 recover(ex,_tokenSet_0);
 173         }
 174         return result;
 175 }
 176
 177 Requirements * RequirementParser::requirementSet() {
 178         Requirements *result = NULL;
 179         Requirements::Maker maker;
 180
 181         try {      // for error handling
 182                 { // ( ... )+
 183                 int _cnt4=0;
 184                 for (;;) {
 185                         if (((LA(1) >= LITERAL_guest && LA(1) <= INTEGER))) {
 186                                 uint32_t t; Requirement *req;
 187                                 t=requirementType();
 188                                 match(ARROW);
 189                                 req=requirementElement();
 190                                 maker.add(t, req);
 191                         }
 192                         else {
 193                                 if ( _cnt4>=1 ) { goto _loop4; } else {throw antlr::NoViableAltException(LT(1), getFilename());}
 194                         }
 195
 196                         _cnt4++;
 197                 }
 198                 _loop4:;
 199                 }  // ( ... )+
 200                 result = errors.empty() ? maker() : NULL;
 201                 match(antlr::Token::EOF_TYPE);
 202         }
 203         catch (antlr::RecognitionException& ex) {
 204                 reportError(ex);
 205                 recover(ex,_tokenSet_0);
 206         }
 207         return result;
 208 }
 209
 210 uint32_t  RequirementParser::requirementType() {
 211         uint32_t type = kSecInvalidRequirementType;
 212         antlr::RefToken  stype = antlr::nullToken;
 213
 214         try {      // for error handling
 215                 switch ( LA(1)) {
 216                 case LITERAL_guest:
 217                 {
 218                         match(LITERAL_guest);
 219                         type = kSecGuestRequirementType;
 220                         break;
 221                 }
 222                 case LITERAL_host:
 223                 {
 224                         match(LITERAL_host);
 225                         type = kSecHostRequirementType;
 226                         break;
 227                 }
 228                 case LITERAL_designated:
 229                 {
 230                         match(LITERAL_designated);
 231                         type = kSecDesignatedRequirementType;
 232                         break;
 233                 }
 234                 case LITERAL_library:
 235                 {
 236                         match(LITERAL_library);
 237                         type = kSecLibraryRequirementType;
 238                         break;
 239                 }
 240                 case LITERAL_plugin:
 241                 {
 242                         match(LITERAL_plugin);
 243                         type = kSecPluginRequirementType;
 244                         break;
 245                 }
 246                 case INTEGER:
 247                 {
 248                         stype = LT(1);
 249                         match(INTEGER);
 250                         type = atol(stype->getText().c_str());
 251                         break;
 252                 }
 253                 default:
 254                 {
 255                         throw antlr::NoViableAltException(LT(1), getFilename());
 256                 }
 257                 }
 258         }
 259         catch (antlr::RecognitionException& ex) {
 260                 reportError(ex);
 261                 recover(ex,_tokenSet_1);
 262         }
 263         return type;
 264 }
 265
 266 Requirement * RequirementParser::requirementElement() {
 267         Requirement *result = NULL;
 268         Requirement::Maker maker;
 269
 270         try {      // for error handling
 271                 expr(maker);
 272                 result = maker();
 273                 { // ( ... )*
 274                 for (;;) {
 275                         if ((LA(1) == SEMI)) {
 276                                 fluff();
 277                         }
 278                         else {
 279                                 goto _loop9;
 280                         }
 281
 282                 }
 283                 _loop9:;
 284                 } // ( ... )*
 285         }
 286         catch (antlr::RecognitionException& ex) {
 287                 reportError(ex);
 288                 recover(ex,_tokenSet_2);
 289         }
 290         return result;
 291 }
 292
 293 void RequirementParser::expr(
 294         Maker &maker
 295 ) {
 296         Maker::Label label(maker);
 297
 298         try {      // for error handling
 299                 term(maker);
 300                 { // ( ... )*
 301                 for (;;) {
 302                         if ((LA(1) == LITERAL_or)) {
 303                                 match(LITERAL_or);
 304                                 maker.insert<ExprOp>(label) = opOr;
 305                                 term(maker);
 306                         }
 307                         else {
 308                                 goto _loop12;
 309                         }
 310
 311                 }
 312                 _loop12:;
 313                 } // ( ... )*
 314         }
 315         catch (antlr::RecognitionException& ex) {
 316                 reportError(ex);
 317                 recover(ex,_tokenSet_3);
 318         }
 319 }
 320
 321 void RequirementParser::fluff() {
 322
 323         try {      // for error handling
 324                 match(SEMI);
 325         }
 326         catch (antlr::RecognitionException& ex) {
 327                 reportError(ex);
 328                 recover(ex,_tokenSet_4);
 329         }
 330 }
 331
 332 void RequirementParser::term(
 333         Maker &maker
 334 ) {
 335         Maker::Label label(maker);
 336
 337         try {      // for error handling
 338                 primary(maker);
 339                 { // ( ... )*
 340                 for (;;) {
 341                         if ((LA(1) == LITERAL_and)) {
 342                                 match(LITERAL_and);
 343                                 maker.insert<ExprOp>(label) = opAnd;
 344                                 primary(maker);
 345                         }
 346                         else {
 347                                 goto _loop15;
 348                         }
 349
 350                 }
 351                 _loop15:;
 352                 } // ( ... )*
 353         }
 354         catch (antlr::RecognitionException& ex) {
 355                 reportError(ex);
 356                 recover(ex,_tokenSet_5);
 357         }
 358 }
 359
 360 void RequirementParser::primary(
 361         Maker &maker
 362 ) {
 363
 364         try {      // for error handling
 365                 switch ( LA(1)) {
 366                 case NOT:
 367                 {
 368                         match(NOT);
 369                         maker.put(opNot);
 370                         primary(maker);
 371                         break;
 372                 }
 373                 case LITERAL_always:
 374                 case LITERAL_true:
 375                 {
 376                         {
 377                         switch ( LA(1)) {
 378                         case LITERAL_always:
 379                         {
 380                                 match(LITERAL_always);
 381                                 break;
 382                         }
 383                         case LITERAL_true:
 384                         {
 385                                 match(LITERAL_true);
 386                                 break;
 387                         }
 388                         default:
 389                         {
 390                                 throw antlr::NoViableAltException(LT(1), getFilename());
 391                         }
 392                         }
 393                         }
 394                         maker.put(opTrue);
 395                         break;
 396                 }
 397                 case LITERAL_never:
 398                 case LITERAL_false:
 399                 {
 400                         {
 401                         switch ( LA(1)) {
 402                         case LITERAL_never:
 403                         {
 404                                 match(LITERAL_never);
 405                                 break;
 406                         }
 407                         case LITERAL_false:
 408                         {
 409                                 match(LITERAL_false);
 410                                 break;
 411                         }
 412                         default:
 413                         {
 414                                 throw antlr::NoViableAltException(LT(1), getFilename());
 415                         }
 416                         }
 417                         }
 418                         maker.put(opFalse);
 419                         break;
 420                 }
 421                 case LITERAL_anchor:
 422                 case LITERAL_certificate:
 423                 case LITERAL_cert:
 424                 {
 425                         certspec(maker);
 426                         break;
 427                 }
 428                 case LITERAL_info:
 429                 {
 430                         infospec(maker);
 431                         break;
 432                 }
 433                 case LITERAL_entitlement:
 434                 {
 435                         entitlementspec(maker);
 436                         break;
 437                 }
 438                 case LITERAL_identifier:
 439                 {
 440                         match(LITERAL_identifier);
 441                         string code;
 442                         eql();
 443                         code=identifierString();
 444                         maker.ident(code);
 445                         break;
 446                 }
 447                 case LITERAL_cdhash:
 448                 {
 449                         match(LITERAL_cdhash);
 450                         SHA1::Digest digest;
 451                         eql();
 452                         hash(digest);
 453                         maker.cdhash(digest);
 454                         break;
 455                 }
 456                 default:
 457                         if ((LA(1) == LPAREN) && (_tokenSet_6.member(LA(2)))) {
 458                                 match(LPAREN);
 459                                 expr(maker);
 460                                 match(RPAREN);
 461                         }
 462                         else if ((LA(1) == LPAREN) && (LA(2) == DOTKEY || LA(2) == STRING)) {
 463                                 match(LPAREN);
 464                                 string name;
 465                                 name=identifierString();
 466                                 match(RPAREN);
 467                                 maker.put(opNamedCode); maker.put(name);
 468                         }
 469                 else {
 470                         throw antlr::NoViableAltException(LT(1), getFilename());
 471                 }
 472                 }
 473         }
 474         catch (antlr::RecognitionException& ex) {
 475                 reportError(ex);
 476                 recover(ex,_tokenSet_7);
 477         }
 478 }
 479
 480 void RequirementParser::certspec(
 481         Maker &maker
 482 ) {
 483
 484         try {      // for error handling
 485                 if ((LA(1) == LITERAL_anchor) && (LA(2) == LITERAL_apple)) {
 486                         match(LITERAL_anchor);
 487                         match(LITERAL_apple);
 488                         appleanchor(maker);
 489                 }
 490                 else if ((LA(1) == LITERAL_anchor) && (LA(2) == LITERAL_generic)) {
 491                         match(LITERAL_anchor);
 492                         match(LITERAL_generic);
 493                         match(LITERAL_apple);
 494                         maker.put(opAppleGenericAnchor);
 495                 }
 496                 else if ((LA(1) == LITERAL_anchor || LA(1) == LITERAL_certificate || LA(1) == LITERAL_cert) && (LA(2) == LITERAL_trusted)) {
 497                         {
 498                         switch ( LA(1)) {
 499                         case LITERAL_certificate:
 500                         {
 501                                 match(LITERAL_certificate);
 502                                 break;
 503                         }
 504                         case LITERAL_cert:
 505                         {
 506                                 match(LITERAL_cert);
 507                                 break;
 508                         }
 509                         case LITERAL_anchor:
 510                         {
 511                                 match(LITERAL_anchor);
 512                                 break;
 513                         }
 514                         default:
 515                         {
 516                                 throw antlr::NoViableAltException(LT(1), getFilename());
 517                         }
 518                         }
 519                         }
 520                         match(LITERAL_trusted);
 521                         maker.trustedAnchor();
 522                 }
 523                 else if ((LA(1) == LITERAL_certificate || LA(1) == LITERAL_cert) && (_tokenSet_8.member(LA(2)))) {
 524                         {
 525                         switch ( LA(1)) {
 526                         case LITERAL_certificate:
 527                         {
 528                                 match(LITERAL_certificate);
 529                                 break;
 530                         }
 531                         case LITERAL_cert:
 532                         {
 533                                 match(LITERAL_cert);
 534                                 break;
 535                         }
 536                         default:
 537                         {
 538                                 throw antlr::NoViableAltException(LT(1), getFilename());
 539                         }
 540                         }
 541                         }
 542                         int32_t slot;
 543                         slot=certSlot();
 544                         {
 545                         switch ( LA(1)) {
 546                         case EQL:
 547                         case EQQL:
 548                         case LBRACK:
 549                         case HASHCONSTANT:
 550                         case DOTKEY:
 551                         case STRING:
 552                         case PATHNAME:
 553                         {
 554                                 certslotspec(maker, slot);
 555                                 break;
 556                         }
 557                         case LITERAL_trusted:
 558                         {
 559                                 match(LITERAL_trusted);
 560                                 maker.trustedAnchor(slot);
 561                                 break;
 562                         }
 563                         default:
 564                         {
 565                                 throw antlr::NoViableAltException(LT(1), getFilename());
 566                         }
 567                         }
 568                         }
 569                 }
 570                 else if ((LA(1) == LITERAL_anchor) && (_tokenSet_9.member(LA(2)))) {
 571                         match(LITERAL_anchor);
 572                         certslotspec(maker, Requirement::anchorCert);
 573                 }
 574                 else {
 575                         throw antlr::NoViableAltException(LT(1), getFilename());
 576                 }
 577
 578         }
 579         catch (antlr::RecognitionException& ex) {
 580                 reportError(ex);
 581                 recover(ex,_tokenSet_7);
 582         }
 583 }
 584
 585 void RequirementParser::infospec(
 586         Maker &maker
 587 ) {
 588         string key;
 589
 590         try {      // for error handling
 591                 match(LITERAL_info);
 592                 key=bracketKey();
 593                 maker.put(opInfoKeyField); maker.put(key);
 594                 match_suffix(maker);
 595         }
 596         catch (antlr::RecognitionException& ex) {
 597                 reportError(ex);
 598                 recover(ex,_tokenSet_7);
 599         }
 600 }
 601
 602 void RequirementParser::entitlementspec(
 603         Maker &maker
 604 ) {
 605         string key;
 606
 607         try {      // for error handling
 608                 match(LITERAL_entitlement);
 609                 key=bracketKey();
 610                 maker.put(opEntitlementField); maker.put(key);
 611                 match_suffix(maker);
 612         }
 613         catch (antlr::RecognitionException& ex) {
 614                 reportError(ex);
 615                 recover(ex,_tokenSet_7);
 616         }
 617 }
 618
 619 void RequirementParser::eql() {
 620
 621         try {      // for error handling
 622                 switch ( LA(1)) {
 623                 case EQL:
 624                 {
 625                         match(EQL);
 626                         break;
 627                 }
 628                 case EQQL:
 629                 {
 630                         match(EQQL);
 631                         break;
 632                 }
 633                 case HASHCONSTANT:
 634                 case DOTKEY:
 635                 case STRING:
 636                 case PATHNAME:
 637                 {
 638                         empty();
 639                         break;
 640                 }
 641                 default:
 642                 {
 643                         throw antlr::NoViableAltException(LT(1), getFilename());
 644                 }
 645                 }
 646         }
 647         catch (antlr::RecognitionException& ex) {
 648                 reportError(ex);
 649                 recover(ex,_tokenSet_10);
 650         }
 651 }
 652
 653 string  RequirementParser::identifierString() {
 654         string result;
 655         antlr::RefToken  dk = antlr::nullToken;
 656         antlr::RefToken  s = antlr::nullToken;
 657
 658         try {      // for error handling
 659                 switch ( LA(1)) {
 660                 case DOTKEY:
 661                 {
 662                         dk = LT(1);
 663                         match(DOTKEY);
 664                         result = dk->getText();
 665                         break;
 666                 }
 667                 case STRING:
 668                 {
 669                         s = LT(1);
 670                         match(STRING);
 671                         result = s->getText();
 672                         break;
 673                 }
 674                 default:
 675                 {
 676                         throw antlr::NoViableAltException(LT(1), getFilename());
 677                 }
 678                 }
 679         }
 680         catch (antlr::RecognitionException& ex) {
 681                 reportError(ex);
 682                 recover(ex,_tokenSet_7);
 683         }
 684         return result;
 685 }
 686
 687 void RequirementParser::hash(
 688         SHA1::Digest digest
 689 ) {
 690         antlr::RefToken  hash = antlr::nullToken;
 691
 692         try {      // for error handling
 693                 hash = LT(1);
 694                 match(HASHCONSTANT);
 695                 hashString(hash->getText(), digest);
 696         }
 697         catch (antlr::RecognitionException& ex) {
 698                 reportError(ex);
 699                 recover(ex,_tokenSet_7);
 700         }
 701 }
 702
 703 void RequirementParser::appleanchor(
 704         Maker &maker
 705 ) {
 706
 707         try {      // for error handling
 708                 switch ( LA(1)) {
 709                 case antlr::Token::EOF_TYPE:
 710                 case LITERAL_guest:
 711                 case LITERAL_host:
 712                 case LITERAL_designated:
 713                 case LITERAL_library:
 714                 case LITERAL_plugin:
 715                 case INTEGER:
 716                 case LITERAL_or:
 717                 case LITERAL_and:
 718                 case RPAREN:
 719                 case SEMI:
 720                 {
 721                         empty();
 722                         maker.put(opAppleAnchor);
 723                         break;
 724                 }
 725                 case LITERAL_generic:
 726                 {
 727                         match(LITERAL_generic);
 728                         maker.put(opAppleGenericAnchor);
 729                         break;
 730                 }
 731                 case DOTKEY:
 732                 case STRING:
 733                 {
 734                         string name;
 735                         name=identifierString();
 736                         maker.put(opNamedAnchor); maker.put(name);
 737                         break;
 738                 }
 739                 default:
 740                 {
 741                         throw antlr::NoViableAltException(LT(1), getFilename());
 742                 }
 743                 }
 744         }
 745         catch (antlr::RecognitionException& ex) {
 746                 reportError(ex);
 747                 recover(ex,_tokenSet_7);
 748         }
 749 }
 750
 751 int32_t  RequirementParser::certSlot() {
 752         int32_t slot = 0;
 753         antlr::RefToken  s = antlr::nullToken;
 754         antlr::RefToken  ss = antlr::nullToken;
 755
 756         try {      // for error handling
 757                 switch ( LA(1)) {
 758                 case INTEGER:
 759                 {
 760                         s = LT(1);
 761                         match(INTEGER);
 762                         slot = atol(s->getText().c_str());
 763                         break;
 764                 }
 765                 case NEG:
 766                 {
 767                         match(NEG);
 768                         ss = LT(1);
 769                         match(INTEGER);
 770                         slot = -atol(ss->getText().c_str());
 771                         break;
 772                 }
 773                 case LITERAL_leaf:
 774                 {
 775                         match(LITERAL_leaf);
 776                         slot = Requirement::leafCert;
 777                         break;
 778                 }
 779                 case LITERAL_root:
 780                 {
 781                         match(LITERAL_root);
 782                         slot = Requirement::anchorCert;
 783                         break;
 784                 }
 785                 default:
 786                 {
 787                         throw antlr::NoViableAltException(LT(1), getFilename());
 788                 }
 789                 }
 790         }
 791         catch (antlr::RecognitionException& ex) {
 792                 reportError(ex);
 793                 recover(ex,_tokenSet_11);
 794         }
 795         return slot;
 796 }
 797
 798 void RequirementParser::certslotspec(
 799         Maker &maker, int32_t slot
 800 ) {
 801         string key;
 802
 803         try {      // for error handling
 804                 switch ( LA(1)) {
 805                 case EQL:
 806                 case EQQL:
 807                 case HASHCONSTANT:
 808                 case DOTKEY:
 809                 case STRING:
 810                 case PATHNAME:
 811                 {
 812                         eql();
 813                         SHA1::Digest digest;
 814                         certificateDigest(digest);
 815                         maker.anchor(slot, digest);
 816                         break;
 817                 }
 818                 case LBRACK:
 819                 {
 820                         key=bracketKey();
 821                         certMatchOperation(maker, slot, key);
 822                         match_suffix(maker);
 823                         break;
 824                 }
 825                 default:
 826                 {
 827                         throw antlr::NoViableAltException(LT(1), getFilename());
 828                 }
 829                 }
 830         }
 831         catch (antlr::RecognitionException& ex) {
 832                 reportError(ex);
 833                 recover(ex,_tokenSet_7);
 834         }
 835 }
 836
 837 void RequirementParser::empty() {
 838
 839         try {      // for error handling
 840         }
 841         catch (antlr::RecognitionException& ex) {
 842                 reportError(ex);
 843                 recover(ex,_tokenSet_12);
 844         }
 845 }
 846
 847 void RequirementParser::certificateDigest(
 848         SHA1::Digest digest
 849 ) {
 850
 851         try {      // for error handling
 852                 switch ( LA(1)) {
 853                 case HASHCONSTANT:
 854                 {
 855                         hash(digest);
 856                         break;
 857                 }
 858                 case DOTKEY:
 859                 case STRING:
 860                 case PATHNAME:
 861                 {
 862                         string path;
 863                         path=pathstring();
 864                         if (CFRef<CFDataRef> certData = cfLoadFile(path))
 865                                                         hashOfCertificate(CFDataGetBytePtr(certData), CFDataGetLength(certData), digest);
 866                                                   else
 867                                                         throw antlr::SemanticException(path + ": not found");
 868
 869                         break;
 870                 }
 871                 default:
 872                 {
 873                         throw antlr::NoViableAltException(LT(1), getFilename());
 874                 }
 875                 }
 876         }
 877         catch (antlr::RecognitionException& ex) {
 878                 reportError(ex);
 879                 recover(ex,_tokenSet_7);
 880         }
 881 }
 882
 883 string  RequirementParser::bracketKey() {
 884         string key;
 885
 886         try {      // for error handling
 887                 match(LBRACK);
 888                 key=stringvalue();
 889                 match(RBRACK);
 890         }
 891         catch (antlr::RecognitionException& ex) {
 892                 reportError(ex);
 893                 recover(ex,_tokenSet_13);
 894         }
 895         return key;
 896 }
 897
 898 void RequirementParser::match_suffix(
 899         Maker &maker
 900 ) {
 901
 902         try {      // for error handling
 903                 switch ( LA(1)) {
 904                 case antlr::Token::EOF_TYPE:
 905                 case LITERAL_guest:
 906                 case LITERAL_host:
 907                 case LITERAL_designated:
 908                 case LITERAL_library:
 909                 case LITERAL_plugin:
 910                 case INTEGER:
 911                 case LITERAL_or:
 912                 case LITERAL_and:
 913                 case RPAREN:
 914                 case LITERAL_exists:
 915                 case SEMI:
 916                 {
 917                         empty();
 918                         {
 919                         switch ( LA(1)) {
 920                         case LITERAL_exists:
 921                         {
 922                                 match(LITERAL_exists);
 923                                 break;
 924                         }
 925                         case antlr::Token::EOF_TYPE:
 926                         case LITERAL_guest:
 927                         case LITERAL_host:
 928                         case LITERAL_designated:
 929                         case LITERAL_library:
 930                         case LITERAL_plugin:
 931                         case INTEGER:
 932                         case LITERAL_or:
 933                         case LITERAL_and:
 934                         case RPAREN:
 935                         case SEMI:
 936                         {
 937                                 break;
 938                         }
 939                         default:
 940                         {
 941                                 throw antlr::NoViableAltException(LT(1), getFilename());
 942                         }
 943                         }
 944                         }
 945                         maker.put(matchExists);
 946                         break;
 947                 }
 948                 case EQL:
 949                 case EQQL:
 950                 {
 951                         {
 952                         switch ( LA(1)) {
 953                         case EQL:
 954                         {
 955                                 match(EQL);
 956                                 break;
 957                         }
 958                         case EQQL:
 959                         {
 960                                 match(EQQL);
 961                                 break;
 962                         }
 963                         default:
 964                         {
 965                                 throw antlr::NoViableAltException(LT(1), getFilename());
 966                         }
 967                         }
 968                         }
 969                         MatchOperation mop = matchEqual; string value;
 970                         {
 971                         switch ( LA(1)) {
 972                         case STAR:
 973                         {
 974                                 match(STAR);
 975                                 mop = matchEndsWith;
 976                                 break;
 977                         }
 978                         case HEXCONSTANT:
 979                         case DOTKEY:
 980                         case STRING:
 981                         {
 982                                 break;
 983                         }
 984                         default:
 985                         {
 986                                 throw antlr::NoViableAltException(LT(1), getFilename());
 987                         }
 988                         }
 989                         }
 990                         value=datavalue();
 991                         {
 992                         switch ( LA(1)) {
 993                         case STAR:
 994                         {
 995                                 match(STAR);
 996                                 mop = (mop == matchEndsWith) ? matchContains : matchBeginsWith;
 997                                 break;
 998                         }
 999                         case antlr::Token::EOF_TYPE:
1000                         case LITERAL_guest:
1001                         case LITERAL_host:
1002                         case LITERAL_designated:
1003                         case LITERAL_library:
1004                         case LITERAL_plugin:
1005                         case INTEGER:
1006                         case LITERAL_or:
1007                         case LITERAL_and:
1008                         case RPAREN:
1009                         case SEMI:
1010                         {
1011                                 break;
1012                         }
1013                         default:
1014                         {
1015                                 throw antlr::NoViableAltException(LT(1), getFilename());
1016                         }
1017                         }
1018                         }
1019                         maker.put(mop); maker.put(value);
1020                         break;
1021                 }
1022                 case SUBS:
1023                 {
1024                         match(SUBS);
1025                         string value;
1026                         value=datavalue();
1027                         maker.put(matchContains); maker.put(value);
1028                         break;
1029                 }
1030                 case LESS:
1031                 {
1032                         match(LESS);
1033                         string value;
1034                         value=datavalue();
1035                         maker.put(matchLessThan); maker.put(value);
1036                         break;
1037                 }
1038                 case GT:
1039                 {
1040                         match(GT);
1041                         string value;
1042                         value=datavalue();
1043                         maker.put(matchGreaterThan); maker.put(value);
1044                         break;
1045                 }
1046                 case LE:
1047                 {
1048                         match(LE);
1049                         string value;
1050                         value=datavalue();
1051                         maker.put(matchLessEqual); maker.put(value);
1052                         break;
1053                 }
1054                 case GE:
1055                 {
1056                         match(GE);
1057                         string value;
1058                         value=datavalue();
1059                         maker.put(matchGreaterEqual); maker.put(value);
1060                         break;
1061                 }
1062                 default:
1063                 {
1064                         throw antlr::NoViableAltException(LT(1), getFilename());
1065                 }
1066                 }
1067         }
1068         catch (antlr::RecognitionException& ex) {
1069                 reportError(ex);
1070                 recover(ex,_tokenSet_7);
1071         }
1072 }
1073
1074 string  RequirementParser::datavalue() {
1075         string result;
1076         antlr::RefToken  hex = antlr::nullToken;
1077
1078         try {      // for error handling
1079                 switch ( LA(1)) {
1080                 case DOTKEY:
1081                 case STRING:
1082                 {
1083                         result=stringvalue();
1084                         break;
1085                 }
1086                 case HEXCONSTANT:
1087                 {
1088                         hex = LT(1);
1089                         match(HEXCONSTANT);
1090                         result = hexString(hex->getText());
1091                         break;
1092                 }
1093                 default:
1094                 {
1095                         throw antlr::NoViableAltException(LT(1), getFilename());
1096                 }
1097                 }
1098         }
1099         catch (antlr::RecognitionException& ex) {
1100                 reportError(ex);
1101                 recover(ex,_tokenSet_14);
1102         }
1103         return result;
1104 }
1105
1106 string  RequirementParser::stringvalue() {
1107         string result;
1108         antlr::RefToken  dk = antlr::nullToken;
1109         antlr::RefToken  s = antlr::nullToken;
1110
1111         try {      // for error handling
1112                 switch ( LA(1)) {
1113                 case DOTKEY:
1114                 {
1115                         dk = LT(1);
1116                         match(DOTKEY);
1117                         result = dk->getText();
1118                         break;
1119                 }
1120                 case STRING:
1121                 {
1122                         s = LT(1);
1123                         match(STRING);
1124                         result = s->getText();
1125                         break;
1126                 }
1127                 default:
1128                 {
1129                         throw antlr::NoViableAltException(LT(1), getFilename());
1130                 }
1131                 }
1132         }
1133         catch (antlr::RecognitionException& ex) {
1134                 reportError(ex);
1135                 recover(ex,_tokenSet_15);
1136         }
1137         return result;
1138 }
1139
1140 string  RequirementParser::pathstring() {
1141         string result;
1142         antlr::RefToken  dk = antlr::nullToken;
1143         antlr::RefToken  s = antlr::nullToken;
1144         antlr::RefToken  pn = antlr::nullToken;
1145
1146         try {      // for error handling
1147                 switch ( LA(1)) {
1148                 case DOTKEY:
1149                 {
1150                         dk = LT(1);
1151                         match(DOTKEY);
1152                         result = dk->getText();
1153                         break;
1154                 }
1155                 case STRING:
1156                 {
1157                         s = LT(1);
1158                         match(STRING);
1159                         result = s->getText();
1160                         break;
1161                 }
1162                 case PATHNAME:
1163                 {
1164                         pn = LT(1);
1165                         match(PATHNAME);
1166                         result = pn->getText();
1167                         break;
1168                 }
1169                 default:
1170                 {
1171                         throw antlr::NoViableAltException(LT(1), getFilename());
1172                 }
1173                 }
1174         }
1175         catch (antlr::RecognitionException& ex) {
1176                 reportError(ex);
1177                 recover(ex,_tokenSet_7);
1178         }
1179         return result;
1180 }
1181
1182 void RequirementParser::initializeASTFactory( antlr::ASTFactory& )
1183 {
1184 }
1185 const char* RequirementParser::tokenNames[] = {
1186         "<0>",
1187         "EOF",
1188         "<2>",
1189         "NULL_TREE_LOOKAHEAD",
1190         "ARROW",
1191         "\"guest\"",
1192         "\"host\"",
1193         "\"designated\"",
1194         "\"library\"",
1195         "\"plugin\"",
1196         "INTEGER",
1197         "\"or\"",
1198         "\"and\"",
1199         "LPAREN",
1200         "RPAREN",
1201         "NOT",
1202         "\"always\"",
1203         "\"true\"",
1204         "\"never\"",
1205         "\"false\"",
1206         "\"identifier\"",
1207         "\"cdhash\"",
1208         "\"anchor\"",
1209         "\"apple\"",
1210         "\"generic\"",
1211         "\"certificate\"",
1212         "\"cert\"",
1213         "\"trusted\"",
1214         "\"info\"",
1215         "\"entitlement\"",
1216         "\"exists\"",
1217         "EQL",
1218         "EQQL",
1219         "STAR",
1220         "SUBS",
1221         "LESS",
1222         "GT",
1223         "LE",
1224         "GE",
1225         "LBRACK",
1226         "RBRACK",
1227         "NEG",
1228         "\"leaf\"",
1229         "\"root\"",
1230         "HASHCONSTANT",
1231         "HEXCONSTANT",
1232         "DOTKEY",
1233         "STRING",
1234         "PATHNAME",
1235         "SEMI",
1236         "IDENT",
1237         "HEX",
1238         "COMMA",
1239         "WS",
1240         "SHELLCOMMENT",
1241         "C_COMMENT",
1242         "CPP_COMMENT",
1243         0
1244 };
1245
1246 const unsigned long RequirementParser::_tokenSet_0_data_[] = { 2UL, 0UL, 0UL, 0UL };
1247 // EOF
1248 const antlr::BitSet RequirementParser::_tokenSet_0(_tokenSet_0_data_,4);
1249 const unsigned long RequirementParser::_tokenSet_1_data_[] = { 16UL, 0UL, 0UL, 0UL };
1250 // ARROW
1251 const antlr::BitSet RequirementParser::_tokenSet_1(_tokenSet_1_data_,4);
1252 const unsigned long RequirementParser::_tokenSet_2_data_[] = { 2018UL, 0UL, 0UL, 0UL };
1253 // EOF "guest" "host" "designated" "library" "plugin" INTEGER
1254 const antlr::BitSet RequirementParser::_tokenSet_2(_tokenSet_2_data_,4);
1255 const unsigned long RequirementParser::_tokenSet_3_data_[] = { 18402UL, 131072UL, 0UL, 0UL };
1256 // EOF "guest" "host" "designated" "library" "plugin" INTEGER RPAREN SEMI
1257 const antlr::BitSet RequirementParser::_tokenSet_3(_tokenSet_3_data_,4);
1258 const unsigned long RequirementParser::_tokenSet_4_data_[] = { 2018UL, 131072UL, 0UL, 0UL };
1259 // EOF "guest" "host" "designated" "library" "plugin" INTEGER SEMI
1260 const antlr::BitSet RequirementParser::_tokenSet_4(_tokenSet_4_data_,4);
1261 const unsigned long RequirementParser::_tokenSet_5_data_[] = { 20450UL, 131072UL, 0UL, 0UL };
1262 // EOF "guest" "host" "designated" "library" "plugin" INTEGER "or" RPAREN
1263 // SEMI
1264 const antlr::BitSet RequirementParser::_tokenSet_5(_tokenSet_5_data_,4);
1265 const unsigned long RequirementParser::_tokenSet_6_data_[] = { 914333696UL, 0UL, 0UL, 0UL };
1266 // LPAREN NOT "always" "true" "never" "false" "identifier" "cdhash" "anchor"
1267 // "certificate" "cert" "info" "entitlement"
1268 const antlr::BitSet RequirementParser::_tokenSet_6(_tokenSet_6_data_,4);
1269 const unsigned long RequirementParser::_tokenSet_7_data_[] = { 24546UL, 131072UL, 0UL, 0UL };
1270 // EOF "guest" "host" "designated" "library" "plugin" INTEGER "or" "and"
1271 // RPAREN SEMI
1272 const antlr::BitSet RequirementParser::_tokenSet_7(_tokenSet_7_data_,4);
1273 const unsigned long RequirementParser::_tokenSet_8_data_[] = { 1024UL, 3584UL, 0UL, 0UL };
1274 // INTEGER NEG "leaf" "root"
1275 const antlr::BitSet RequirementParser::_tokenSet_8(_tokenSet_8_data_,4);
1276 const unsigned long RequirementParser::_tokenSet_9_data_[] = { 2147483648UL, 118913UL, 0UL, 0UL };
1277 // EQL EQQL LBRACK HASHCONSTANT DOTKEY STRING PATHNAME
1278 const antlr::BitSet RequirementParser::_tokenSet_9(_tokenSet_9_data_,4);
1279 const unsigned long RequirementParser::_tokenSet_10_data_[] = { 0UL, 118784UL, 0UL, 0UL };
1280 // HASHCONSTANT DOTKEY STRING PATHNAME
1281 const antlr::BitSet RequirementParser::_tokenSet_10(_tokenSet_10_data_,4);
1282 const unsigned long RequirementParser::_tokenSet_11_data_[] = { 2281701376UL, 118913UL, 0UL, 0UL };
1283 // "trusted" EQL EQQL LBRACK HASHCONSTANT DOTKEY STRING PATHNAME
1284 const antlr::BitSet RequirementParser::_tokenSet_11(_tokenSet_11_data_,4);
1285 const unsigned long RequirementParser::_tokenSet_12_data_[] = { 1073766370UL, 249856UL, 0UL, 0UL };
1286 // EOF "guest" "host" "designated" "library" "plugin" INTEGER "or" "and"
1287 // RPAREN "exists" HASHCONSTANT DOTKEY STRING PATHNAME SEMI
1288 const antlr::BitSet RequirementParser::_tokenSet_12(_tokenSet_12_data_,4);
1289 const unsigned long RequirementParser::_tokenSet_13_data_[] = { 3221250018UL, 131197UL, 0UL, 0UL };
1290 // EOF "guest" "host" "designated" "library" "plugin" INTEGER "or" "and"
1291 // RPAREN "exists" EQL EQQL SUBS LESS GT LE GE SEMI
1292 const antlr::BitSet RequirementParser::_tokenSet_13(_tokenSet_13_data_,4);
1293 const unsigned long RequirementParser::_tokenSet_14_data_[] = { 24546UL, 131074UL, 0UL, 0UL };
1294 // EOF "guest" "host" "designated" "library" "plugin" INTEGER "or" "and"
1295 // RPAREN STAR SEMI
1296 const antlr::BitSet RequirementParser::_tokenSet_14(_tokenSet_14_data_,4);
1297 const unsigned long RequirementParser::_tokenSet_15_data_[] = { 24546UL, 131330UL, 0UL, 0UL };
1298 // EOF "guest" "host" "designated" "library" "plugin" INTEGER "or" "and"
1299 // RPAREN STAR RBRACK SEMI
1300 const antlr::BitSet RequirementParser::_tokenSet_15(_tokenSet_15_data_,4);
1301
1302
1303 ANTLR_END_NAMESPACE