contrib/bind-9.5.2/lib/dns/gen.c

   1 /*
   2  * Copyright (C) 2004-2007  Internet Systems Consortium, Inc. ("ISC")
   3  * Copyright (C) 1998-2003  Internet Software Consortium.
   4  *
   5  * Permission to use, copy, modify, and/or distribute this software for any
   6  * purpose with or without fee is hereby granted, provided that the above
   7  * copyright notice and this permission notice appear in all copies.
   8  *
   9  * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
  10  * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
  11  * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
  12  * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
  13  * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
  14  * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
  15  * PERFORMANCE OF THIS SOFTWARE.
  16  */
  17
  18 /* $Id: gen.c,v 1.81 2007/06/19 23:47:16 tbox Exp $ */
  19
  20 /*! \file */
  21
  22 #ifdef WIN32
  23 /*
  24  * Silence compiler warnings about using strcpy and friends.
  25  */
  26 #define _CRT_SECURE_NO_DEPRECATE 1
  27 #endif
  28
  29 #include <sys/types.h>
  30
  31 #include <ctype.h>
  32 #include <stdlib.h>
  33 #include <stdio.h>
  34 #include <stdlib.h>
  35 #include <string.h>
  36 #include <time.h>
  37
  38 #ifdef WIN32
  39 #include "gen-win32.h"
  40 #else
  41 #include "gen-unix.h"
  42 #endif
  43
  44 #define FROMTEXTARGS "rdclass, type, lexer, origin, options, target, callbacks"
  45 #define FROMTEXTCLASS "rdclass"
  46 #define FROMTEXTTYPE "type"
  47 #define FROMTEXTDEF "result = DNS_R_UNKNOWN"
  48
  49 #define TOTEXTARGS "rdata, tctx, target"
  50 #define TOTEXTCLASS "rdata->rdclass"
  51 #define TOTEXTTYPE "rdata->type"
  52 #define TOTEXTDEF "use_default = ISC_TRUE"
  53
  54 #define FROMWIREARGS "rdclass, type, source, dctx, options, target"
  55 #define FROMWIRECLASS "rdclass"
  56 #define FROMWIRETYPE "type"
  57 #define FROMWIREDEF "use_default = ISC_TRUE"
  58
  59 #define TOWIREARGS "rdata, cctx, target"
  60 #define TOWIRECLASS "rdata->rdclass"
  61 #define TOWIRETYPE "rdata->type"
  62 #define TOWIREDEF "use_default = ISC_TRUE"
  63
  64 #define FROMSTRUCTARGS "rdclass, type, source, target"
  65 #define FROMSTRUCTCLASS "rdclass"
  66 #define FROMSTRUCTTYPE "type"
  67 #define FROMSTRUCTDEF "use_default = ISC_TRUE"
  68
  69 #define TOSTRUCTARGS "rdata, target, mctx"
  70 #define TOSTRUCTCLASS "rdata->rdclass"
  71 #define TOSTRUCTTYPE "rdata->type"
  72 #define TOSTRUCTDEF "use_default = ISC_TRUE"
  73
  74 #define FREESTRUCTARGS "source"
  75 #define FREESTRUCTCLASS "common->rdclass"
  76 #define FREESTRUCTTYPE "common->rdtype"
  77 #define FREESTRUCTDEF NULL
  78
  79 #define COMPAREARGS "rdata1, rdata2"
  80 #define COMPARECLASS "rdata1->rdclass"
  81 #define COMPARETYPE "rdata1->type"
  82 #define COMPAREDEF "use_default = ISC_TRUE"
  83
  84 #define ADDITIONALDATAARGS "rdata, add, arg"
  85 #define ADDITIONALDATACLASS "rdata->rdclass"
  86 #define ADDITIONALDATATYPE "rdata->type"
  87 #define ADDITIONALDATADEF "use_default = ISC_TRUE"
  88
  89 #define DIGESTARGS "rdata, digest, arg"
  90 #define DIGESTCLASS "rdata->rdclass"
  91 #define DIGESTTYPE "rdata->type"
  92 #define DIGESTDEF "use_default = ISC_TRUE"
  93
  94 #define CHECKOWNERARGS "name, rdclass, type, wildcard"
  95 #define CHECKOWNERCLASS "rdclass"
  96 #define CHECKOWNERTYPE "type"
  97 #define CHECKOWNERDEF "result = ISC_TRUE"
  98
  99 #define CHECKNAMESARGS "rdata, owner, bad"
 100 #define CHECKNAMESCLASS "rdata->rdclass"
 101 #define CHECKNAMESTYPE "rdata->type"
 102 #define CHECKNAMESDEF "result = ISC_TRUE"
 103
 104 const char copyright[] =
 105 "/*\n"
 106 " * Copyright (C) 2004%s Internet Systems Consortium, Inc. (\"ISC\")\n"
 107 " * Copyright (C) 1998-2003 Internet Software Consortium.\n"
 108 " *\n"
 109 " * Permission to use, copy, modify, and distribute this software for any\n"
 110 " * purpose with or without fee is hereby granted, provided that the above\n"
 111 " * copyright notice and this permission notice appear in all copies.\n"
 112 " *\n"
 113 " * THE SOFTWARE IS PROVIDED \"AS IS\" AND ISC DISCLAIMS ALL WARRANTIES WITH\n"
 114 " * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY\n"
 115 " * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,\n"
 116 " * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM\n"
 117 " * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE\n"
 118 " * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR\n"
 119 " * PERFORMANCE OF THIS SOFTWARE.\n"
 120 " */\n"
 121 "\n"
 122 "/***************\n"
 123 " ***************\n"
 124 " ***************   THIS FILE IS AUTOMATICALLY GENERATED BY gen.c.\n"
 125 " ***************   DO NOT EDIT!\n"
 126 " ***************\n"
 127 " ***************/\n"
 128 "\n"
 129 "/*! \\file */\n"
 130 "\n";
 131
 132 #define TYPENAMES 256
 133
 134 struct cc {
 135         struct cc *next;
 136         int rdclass;
 137         char classname[11];
 138 } *classes;
 139
 140 struct tt {
 141         struct tt *next;
 142         int rdclass;
 143         int type;
 144         char classname[11];
 145         char typename[11];
 146         char dirname[256];              /* XXX Should be max path length */
 147 } *types;
 148
 149 struct ttnam {
 150         char typename[11];
 151         char macroname[11];
 152         char attr[256];
 153         unsigned int sorted;
 154         int type;
 155 } typenames[TYPENAMES];
 156
 157 int maxtype = -1;
 158
 159 char *
 160 upper(char *);
 161 char *
 162 funname(const char *, char *);
 163 void
 164 doswitch(const char *, const char *, const char *, const char *,
 165          const char *, const char *);
 166 void
 167 dodecl(char *, char *, char *);
 168 void
 169 add(int, const char *, int, const char *, const char *);
 170 void
 171 sd(int, const char *, const char *, char);
 172 void
 173 insert_into_typenames(int, const char *, const char *);
 174
 175 /*%
 176  * If you use more than 10 of these in, say, a printf(), you'll have problems.
 177  */
 178 char *
 179 upper(char *s) {
 180         static int buf_to_use = 0;
 181         static char buf[10][256];
 182         char *b;
 183         int c;
 184
 185         buf_to_use++;
 186         if (buf_to_use > 9)
 187                 buf_to_use = 0;
 188
 189         b = buf[buf_to_use];
 190         memset(b, 0, 256);
 191
 192         while ((c = (*s++) & 0xff))
 193                 *b++ = islower(c) ? toupper(c) : c;
 194         *b = '\0';
 195         return (buf[buf_to_use]);
 196 }
 197
 198 char *
 199 funname(const char *s, char *buf) {
 200         char *b = buf;
 201         char c;
 202
 203         while ((c = *s++)) {
 204                 *b++ = (c == '-') ? '_' : c;
 205         }
 206         *b = '\0';
 207         return (buf);
 208 }
 209
 210 void
 211 doswitch(const char *name, const char *function, const char *args,
 212          const char *tsw, const char *csw, const char *res)
 213 {
 214         struct tt *tt;
 215         int first = 1;
 216         int lasttype = 0;
 217         int subswitch = 0;
 218         char buf1[11], buf2[11];
 219         const char *result = " result =";
 220
 221         if (res == NULL)
 222                 result = "";
 223
 224         for (tt = types; tt != NULL; tt = tt->next) {
 225                 if (first) {
 226                         fprintf(stdout, "\n#define %s \\\n", name);
 227                         fprintf(stdout, "\tswitch (%s) { \\\n" /*}*/, tsw);
 228                         first = 0;
 229                 }
 230                 if (tt->type != lasttype && subswitch) {
 231                         if (res == NULL)
 232                                 fprintf(stdout, "\t\tdefault: break; \\\n");
 233                         else
 234                                 fprintf(stdout,
 235                                         "\t\tdefault: %s; break; \\\n", res);
 236                         fputs(/*{*/ "\t\t} \\\n", stdout);
 237                         fputs("\t\tbreak; \\\n", stdout);
 238                         subswitch = 0;
 239                 }
 240                 if (tt->rdclass && tt->type != lasttype) {
 241                         fprintf(stdout, "\tcase %d: switch (%s) { \\\n" /*}*/,
 242                                 tt->type, csw);
 243                         subswitch = 1;
 244                 }
 245                 if (tt->rdclass == 0)
 246                         fprintf(stdout,
 247                                 "\tcase %d:%s %s_%s(%s); break;",
 248                                 tt->type, result, function,
 249                                 funname(tt->typename, buf1), args);
 250                 else
 251                         fprintf(stdout,
 252                                 "\t\tcase %d:%s %s_%s_%s(%s); break;",
 253                                 tt->rdclass, result, function,
 254                                 funname(tt->classname, buf1),
 255                                 funname(tt->typename, buf2), args);
 256                 fputs(" \\\n", stdout);
 257                 lasttype = tt->type;
 258         }
 259         if (subswitch) {
 260                 if (res == NULL)
 261                         fprintf(stdout, "\t\tdefault: break; \\\n");
 262                 else
 263                         fprintf(stdout, "\t\tdefault: %s; break; \\\n", res);
 264                 fputs(/*{*/ "\t\t} \\\n", stdout);
 265                 fputs("\t\tbreak; \\\n", stdout);
 266         }
 267         if (first) {
 268                 if (res == NULL)
 269                         fprintf(stdout, "\n#define %s\n", name);
 270                 else
 271                         fprintf(stdout, "\n#define %s %s;\n", name, res);
 272         } else {
 273                 if (res == NULL)
 274                         fprintf(stdout, "\tdefault: break; \\\n");
 275                 else
 276                         fprintf(stdout, "\tdefault: %s; break; \\\n", res);
 277                 fputs(/*{*/ "\t}\n", stdout);
 278         }
 279 }
 280
 281 void
 282 dodecl(char *type, char *function, char *args) {
 283         struct tt *tt;
 284         char buf1[11], buf2[11];
 285
 286         fputs("\n", stdout);
 287         for (tt = types; tt; tt = tt->next)
 288                 if (tt->rdclass)
 289                         fprintf(stdout,
 290                                 "static inline %s %s_%s_%s(%s);\n",
 291                                 type, function,
 292                                 funname(tt->classname, buf1),
 293                                 funname(tt->typename, buf2), args);
 294                 else
 295                         fprintf(stdout,
 296                                 "static inline %s %s_%s(%s);\n",
 297                                 type, function,
 298                                 funname(tt->typename, buf1), args);
 299 }
 300
 301 static struct ttnam *
 302 find_typename(int type) {
 303         int i;
 304
 305         for (i = 0; i < TYPENAMES; i++) {
 306                 if (typenames[i].typename[0] != 0 &&
 307                     typenames[i].type == type)
 308                         return (&typenames[i]);
 309         }
 310         return (NULL);
 311 }
 312
 313 void
 314 insert_into_typenames(int type, const char *typename, const char *attr) {
 315         struct ttnam *ttn = NULL;
 316         int c, i;
 317         char tmp[256];
 318
 319         for (i = 0; i < TYPENAMES; i++) {
 320                 if (typenames[i].typename[0] != 0 &&
 321                     typenames[i].type == type &&
 322                     strcmp(typename, typenames[i].typename) != 0) {
 323                         fprintf(stderr,
 324                                 "Error:  type %d has two names: %s, %s\n",
 325                                 type, typenames[i].typename, typename);
 326                         exit(1);
 327                 }
 328                 if (typenames[i].typename[0] == 0 && ttn == NULL)
 329                         ttn = &typenames[i];
 330         }
 331         if (ttn == NULL) {
 332                 fprintf(stderr, "Error: typenames array too small\n");
 333                 exit(1);
 334         }
 335
 336         if (strlen(typename) > sizeof(ttn->typename) - 1) {
 337                 fprintf(stderr, "Error:  type name %s is too long\n",
 338                         typename);
 339                 exit(1);
 340         }
 341         strcpy(ttn->typename, typename);
 342         ttn->type = type;
 343
 344         strcpy(ttn->macroname, ttn->typename);
 345         c = strlen(ttn->macroname);
 346         while (c > 0) {
 347                 if (ttn->macroname[c - 1] == '-')
 348                         ttn->macroname[c - 1] = '_';
 349                 c--;
 350         }
 351
 352         if (attr == NULL) {
 353                 sprintf(tmp, "RRTYPE_%s_ATTRIBUTES", upper(ttn->macroname));
 354                 attr = tmp;
 355         }
 356
 357         if (ttn->attr[0] != 0 && strcmp(attr, ttn->attr) != 0) {
 358                 fprintf(stderr, "Error:  type %d has different attributes: "
 359                         "%s, %s\n", type, ttn->attr, attr);
 360                 exit(1);
 361         }
 362
 363         if (strlen(attr) > sizeof(ttn->attr) - 1) {
 364                 fprintf(stderr, "Error:  attr (%s) [name %s] is too long\n",
 365                         attr, typename);
 366                 exit(1);
 367         }
 368         strcpy(ttn->attr, attr);
 369         ttn->sorted = 0;
 370         if (maxtype < type)
 371                 maxtype = type;
 372 }
 373
 374 void
 375 add(int rdclass, const char *classname, int type, const char *typename,
 376     const char *dirname)
 377 {
 378         struct tt *newtt = (struct tt *)malloc(sizeof(*newtt));
 379         struct tt *tt, *oldtt;
 380         struct cc *newcc;
 381         struct cc *cc, *oldcc;
 382
 383         insert_into_typenames(type, typename, NULL);
 384
 385         if (newtt == NULL) {
 386                 fprintf(stderr, "malloc() failed\n");
 387                 exit(1);
 388         }
 389
 390         newtt->next = NULL;
 391         newtt->rdclass = rdclass;
 392         newtt->type = type;
 393         strcpy(newtt->classname, classname);
 394         strcpy(newtt->typename, typename);
 395         strcpy(newtt->dirname, dirname);
 396
 397         tt = types;
 398         oldtt = NULL;
 399
 400         while ((tt != NULL) && (tt->type < type)) {
 401                 oldtt = tt;
 402                 tt = tt->next;
 403         }
 404
 405         while ((tt != NULL) && (tt->type == type) && (tt->rdclass < rdclass)) {
 406                 if (strcmp(tt->typename, typename) != 0)
 407                         exit(1);
 408                 oldtt = tt;
 409                 tt = tt->next;
 410         }
 411
 412         if ((tt != NULL) && (tt->type == type) && (tt->rdclass == rdclass))
 413                 exit(1);
 414
 415         newtt->next = tt;
 416         if (oldtt != NULL)
 417                 oldtt->next = newtt;
 418         else
 419                 types = newtt;
 420
 421         /*
 422          * Do a class switch for this type.
 423          */
 424         if (rdclass == 0)
 425                 return;
 426
 427         newcc = (struct cc *)malloc(sizeof(*newcc));
 428         newcc->rdclass = rdclass;
 429         strcpy(newcc->classname, classname);
 430         cc = classes;
 431         oldcc = NULL;
 432
 433         while ((cc != NULL) && (cc->rdclass < rdclass)) {
 434                 oldcc = cc;
 435                 cc = cc->next;
 436         }
 437
 438         if ((cc != NULL) && cc->rdclass == rdclass) {
 439                 free((char *)newcc);
 440                 return;
 441         }
 442
 443         newcc->next = cc;
 444         if (oldcc != NULL)
 445                 oldcc->next = newcc;
 446         else
 447                 classes = newcc;
 448 }
 449
 450 void
 451 sd(int rdclass, const char *classname, const char *dirname, char filetype) {
 452         char buf[sizeof("0123456789_65535.h")];
 453         char fmt[sizeof("%10[-0-9a-z]_%d.h")];
 454         int type;
 455         char typename[11];
 456         isc_dir_t dir;
 457
 458         if (!start_directory(dirname, &dir))
 459                 return;
 460
 461         sprintf(fmt,"%s%c", "%10[-0-9a-z]_%d.", filetype);
 462         while (next_file(&dir)) {
 463                 if (sscanf(dir.filename, fmt, typename, &type) != 2)
 464                         continue;
 465                 if ((type > 65535) || (type < 0))
 466                         continue;
 467
 468                 sprintf(buf, "%s_%d.%c", typename, type, filetype);
 469                 if (strcmp(buf, dir.filename) != 0)
 470                         continue;
 471                 add(rdclass, classname, type, typename, dirname);
 472         }
 473
 474         end_directory(&dir);
 475 }
 476
 477 static unsigned int
 478 HASH(char *string) {
 479         unsigned int n;
 480         unsigned char a, b;
 481
 482         n = strlen(string);
 483         if (n == 0) {
 484                 fprintf(stderr, "n == 0?\n");
 485                 exit(1);
 486         }
 487         a = tolower((unsigned char)string[0]);
 488         b = tolower((unsigned char)string[n - 1]);
 489
 490         return ((a + n) * b) % 256;
 491 }
 492
 493 int
 494 main(int argc, char **argv) {
 495         char buf[256];                  /* XXX Should be max path length */
 496         char srcdir[256];               /* XXX Should be max path length */
 497         int rdclass;
 498         char classname[11];
 499         struct tt *tt;
 500         struct cc *cc;
 501         struct ttnam *ttn, *ttn2;
 502         unsigned int hash;
 503         struct tm *tm;
 504         time_t now;
 505         char year[11];
 506         int lasttype;
 507         int code = 1;
 508         int class_enum = 0;
 509         int type_enum = 0;
 510         int structs = 0;
 511         int depend = 0;
 512         int c, i, j;
 513         char buf1[11];
 514         char filetype = 'c';
 515         FILE *fd;
 516         char *prefix = NULL;
 517         char *suffix = NULL;
 518         char *file = NULL;
 519         isc_dir_t dir;
 520
 521         for (i = 0; i < TYPENAMES; i++)
 522                 memset(&typenames[i], 0, sizeof(typenames[i]));
 523
 524         strcpy(srcdir, "");
 525         while ((c = isc_commandline_parse(argc, argv, "cdits:F:P:S:")) != -1)
 526                 switch (c) {
 527                 case 'c':
 528                         code = 0;
 529                         depend = 0;
 530                         type_enum = 0;
 531                         class_enum = 1;
 532                         filetype = 'c';
 533                         structs = 0;
 534                         break;
 535                 case 'd':
 536                         code = 0;
 537                         depend = 1;
 538                         class_enum = 0;
 539                         type_enum = 0;
 540                         structs = 0;
 541                         filetype = 'h';
 542                         break;
 543                 case 't':
 544                         code = 0;
 545                         depend = 0;
 546                         class_enum = 0;
 547                         type_enum = 1;
 548                         filetype = 'c';
 549                         structs = 0;
 550                         break;
 551                 case 'i':
 552                         code = 0;
 553                         depend = 0;
 554                         class_enum = 0;
 555                         type_enum = 0;
 556                         structs = 1;
 557                         filetype = 'h';
 558                         break;
 559                 case 's':
 560                         sprintf(srcdir, "%s/", isc_commandline_argument);
 561                         break;
 562                 case 'F':
 563                         file = isc_commandline_argument;
 564                         break;
 565                 case 'P':
 566                         prefix = isc_commandline_argument;
 567                         break;
 568                 case 'S':
 569                         suffix = isc_commandline_argument;
 570                         break;
 571                 case '?':
 572                         exit(1);
 573                 }
 574
 575         sprintf(buf, "%srdata", srcdir);
 576
 577         if (!start_directory(buf, &dir))
 578                 exit(1);
 579
 580         while (next_file(&dir)) {
 581                 if (sscanf(dir.filename, "%10[0-9a-z]_%d",
 582                            classname, &rdclass) != 2)
 583                         continue;
 584                 if ((rdclass > 65535) || (rdclass < 0))
 585                         continue;
 586
 587                 sprintf(buf, "%srdata/%s_%d", srcdir, classname, rdclass);
 588                 if (strcmp(buf + 6 + strlen(srcdir), dir.filename) != 0)
 589                         continue;
 590                 sd(rdclass, classname, buf, filetype);
 591         }
 592         end_directory(&dir);
 593         sprintf(buf, "%srdata/generic", srcdir);
 594         sd(0, "", buf, filetype);
 595
 596         if (time(&now) != -1) {
 597                 if ((tm = localtime(&now)) != NULL && tm->tm_year > 104)
 598                         sprintf(year, "-%d", tm->tm_year + 1900);
 599                 else
 600                         year[0] = 0;
 601         } else
 602                 year[0] = 0;
 603
 604         if (!depend) fprintf(stdout, copyright, year);
 605
 606         if (code) {
 607                 fputs("#ifndef DNS_CODE_H\n", stdout);
 608                 fputs("#define DNS_CODE_H 1\n\n", stdout);
 609
 610                 fputs("#include <isc/boolean.h>\n", stdout);
 611                 fputs("#include <isc/result.h>\n\n", stdout);
 612                 fputs("#include <dns/name.h>\n\n", stdout);
 613
 614                 for (tt = types; tt != NULL; tt = tt->next)
 615                         fprintf(stdout, "#include \"%s/%s_%d.c\"\n",
 616                                 tt->dirname, tt->typename, tt->type);
 617
 618                 fputs("\n\n", stdout);
 619
 620                 doswitch("FROMTEXTSWITCH", "fromtext", FROMTEXTARGS,
 621                          FROMTEXTTYPE, FROMTEXTCLASS, FROMTEXTDEF);
 622                 doswitch("TOTEXTSWITCH", "totext", TOTEXTARGS,
 623                          TOTEXTTYPE, TOTEXTCLASS, TOTEXTDEF);
 624                 doswitch("FROMWIRESWITCH", "fromwire", FROMWIREARGS,
 625                          FROMWIRETYPE, FROMWIRECLASS, FROMWIREDEF);
 626                 doswitch("TOWIRESWITCH", "towire", TOWIREARGS,
 627                          TOWIRETYPE, TOWIRECLASS, TOWIREDEF);
 628                 doswitch("COMPARESWITCH", "compare", COMPAREARGS,
 629                           COMPARETYPE, COMPARECLASS, COMPAREDEF);
 630                 doswitch("FROMSTRUCTSWITCH", "fromstruct", FROMSTRUCTARGS,
 631                           FROMSTRUCTTYPE, FROMSTRUCTCLASS, FROMSTRUCTDEF);
 632                 doswitch("TOSTRUCTSWITCH", "tostruct", TOSTRUCTARGS,
 633                           TOSTRUCTTYPE, TOSTRUCTCLASS, TOSTRUCTDEF);
 634                 doswitch("FREESTRUCTSWITCH", "freestruct", FREESTRUCTARGS,
 635                           FREESTRUCTTYPE, FREESTRUCTCLASS, FREESTRUCTDEF);
 636                 doswitch("ADDITIONALDATASWITCH", "additionaldata",
 637                          ADDITIONALDATAARGS, ADDITIONALDATATYPE,
 638                          ADDITIONALDATACLASS, ADDITIONALDATADEF);
 639                 doswitch("DIGESTSWITCH", "digest",
 640                          DIGESTARGS, DIGESTTYPE,
 641                          DIGESTCLASS, DIGESTDEF);
 642                 doswitch("CHECKOWNERSWITCH", "checkowner",
 643                         CHECKOWNERARGS, CHECKOWNERTYPE,
 644                         CHECKOWNERCLASS, CHECKOWNERDEF);
 645                 doswitch("CHECKNAMESSWITCH", "checknames",
 646                         CHECKNAMESARGS, CHECKNAMESTYPE,
 647                         CHECKNAMESCLASS, CHECKNAMESDEF);
 648
 649                 /*
 650                  * From here down, we are processing the rdata names and
 651                  * attributes.
 652                  */
 653
 654 #define PRINT_COMMA(x) (x == maxtype ? "" : ",")
 655
 656 #define METANOTQUESTION  "DNS_RDATATYPEATTR_META | " \
 657                          "DNS_RDATATYPEATTR_NOTQUESTION"
 658 #define METAQUESTIONONLY "DNS_RDATATYPEATTR_META | " \
 659                          "DNS_RDATATYPEATTR_QUESTIONONLY"
 660 #define RESERVED "DNS_RDATATYPEATTR_RESERVED"
 661
 662                 /*
 663                  * Add in reserved/special types.  This will let us
 664                  * sort them without special cases.
 665                  */
 666                 insert_into_typenames(0, "reserved0", RESERVED);
 667                 insert_into_typenames(31, "eid", RESERVED);
 668                 insert_into_typenames(32, "nimloc", RESERVED);
 669                 insert_into_typenames(34, "atma", RESERVED);
 670                 insert_into_typenames(100, "uinfo", RESERVED);
 671                 insert_into_typenames(101, "uid", RESERVED);
 672                 insert_into_typenames(102, "gid", RESERVED);
 673                 insert_into_typenames(251, "ixfr", METAQUESTIONONLY);
 674                 insert_into_typenames(252, "axfr", METAQUESTIONONLY);
 675                 insert_into_typenames(253, "mailb", METAQUESTIONONLY);
 676                 insert_into_typenames(254, "maila", METAQUESTIONONLY);
 677                 insert_into_typenames(255, "any", METAQUESTIONONLY);
 678
 679                 /*
 680                  * Spit out a quick and dirty hash function.  Here,
 681                  * we walk through the list of type names, and calculate
 682                  * a hash.  This isn't perfect, but it will generate "pretty
 683                  * good" estimates.  Lowercase the characters before
 684                  * computing in all cases.
 685                  *
 686                  * Here, walk the list from top to bottom, calculating
 687                  * the hash (mod 256) for each name.
 688                  */
 689                 fprintf(stdout, "#define RDATATYPE_COMPARE(_s, _d, _tn, _n, _tp) \\\n");
 690                 fprintf(stdout, "\tdo { \\\n");
 691                 fprintf(stdout, "\t\tif (sizeof(_s) - 1 == _n && \\\n"
 692                                 "\t\t    strncasecmp(_s,(_tn),"
 693                                 "(sizeof(_s) - 1)) == 0) { \\\n");
 694                 fprintf(stdout, "\t\t\tif ((dns_rdatatype_attributes(_d) & "
 695                                   "DNS_RDATATYPEATTR_RESERVED) != 0) \\\n");
 696                 fprintf(stdout, "\t\t\t\treturn (ISC_R_NOTIMPLEMENTED); \\\n");
 697                 fprintf(stdout, "\t\t\t*(_tp) = _d; \\\n");
 698                 fprintf(stdout, "\t\t\treturn (ISC_R_SUCCESS); \\\n");
 699                 fprintf(stdout, "\t\t} \\\n");
 700                 fprintf(stdout, "\t} while (0)\n\n");
 701
 702                 fprintf(stdout, "#define RDATATYPE_FROMTEXT_SW(_hash,"
 703                                 "_typename,_length,_typep) \\\n");
 704                 fprintf(stdout, "\tswitch (_hash) { \\\n");
 705                 for (i = 0; i <= maxtype; i++) {
 706                         ttn = find_typename(i);
 707                         if (ttn == NULL)
 708                                 continue;
 709
 710                         /*
 711                          * Skip entries we already processed.
 712                          */
 713                         if (ttn->sorted != 0)
 714                                 continue;
 715
 716                         hash = HASH(ttn->typename);
 717                         fprintf(stdout, "\t\tcase %u: \\\n", hash);
 718
 719                         /*
 720                          * Find all other entries that happen to match
 721                          * this hash.
 722                          */
 723                         for (j = 0; j <= maxtype; j++) {
 724                                 ttn2 = find_typename(j);
 725                                 if (ttn2 == NULL)
 726                                         continue;
 727                                 if (hash == HASH(ttn2->typename)) {
 728                                         fprintf(stdout, "\t\t\tRDATATYPE_COMPARE"
 729                                                "(\"%s\", %u, "
 730                                                "_typename, _length, _typep); \\\n",
 731                                                ttn2->typename, ttn2->type);
 732                                         ttn2->sorted = 1;
 733                                 }
 734                         }
 735                         fprintf(stdout, "\t\t\tbreak; \\\n");
 736                 }
 737                 fprintf(stdout, "\t}\n");
 738
 739                 fprintf(stdout, "#define RDATATYPE_ATTRIBUTE_SW \\\n");
 740                 fprintf(stdout, "\tswitch (type) { \\\n");
 741                 for (i = 0; i <= maxtype; i++) {
 742                         ttn = find_typename(i);
 743                         if (ttn == NULL)
 744                                 continue;
 745                         fprintf(stdout, "\tcase %u: return (%s); \\\n",
 746                                 i, upper(ttn->attr));
 747                 }
 748                 fprintf(stdout, "\t}\n");
 749
 750                 fprintf(stdout, "#define RDATATYPE_TOTEXT_SW \\\n");
 751                 fprintf(stdout, "\tswitch (type) { \\\n");
 752                 for (i = 0; i <= maxtype; i++) {
 753                         ttn = find_typename(i);
 754                         if (ttn == NULL)
 755                                 continue;
 756                         fprintf(stdout, "\tcase %u: return "
 757                                 "(str_totext(\"%s\", target)); \\\n",
 758                                 i, upper(ttn->typename));
 759                 }
 760                 fprintf(stdout, "\t}\n");
 761
 762                 fputs("#endif /* DNS_CODE_H */\n", stdout);
 763         } else if (type_enum) {
 764                 char *s;
 765
 766                 fprintf(stdout, "#ifndef DNS_ENUMTYPE_H\n");
 767                 fprintf(stdout, "#define DNS_ENUMTYPE_H 1\n\n");
 768
 769                 fprintf(stdout, "enum {\n");
 770                 fprintf(stdout, "\tdns_rdatatype_none = 0,\n");
 771
 772                 lasttype = 0;
 773                 for (tt = types; tt != NULL; tt = tt->next)
 774                         if (tt->type != lasttype)
 775                                 fprintf(stdout,
 776                                         "\tdns_rdatatype_%s = %d,\n",
 777                                         funname(tt->typename, buf1),
 778                                         lasttype = tt->type);
 779
 780                 fprintf(stdout, "\tdns_rdatatype_ixfr = 251,\n");
 781                 fprintf(stdout, "\tdns_rdatatype_axfr = 252,\n");
 782                 fprintf(stdout, "\tdns_rdatatype_mailb = 253,\n");
 783                 fprintf(stdout, "\tdns_rdatatype_maila = 254,\n");
 784                 fprintf(stdout, "\tdns_rdatatype_any = 255\n");
 785
 786                 fprintf(stdout, "};\n\n");
 787
 788                 fprintf(stdout, "#define dns_rdatatype_none\t"
 789                         "((dns_rdatatype_t)dns_rdatatype_none)\n");
 790
 791                 for (tt = types; tt != NULL; tt = tt->next)
 792                         if (tt->type != lasttype) {
 793                                 s = funname(tt->typename, buf1);
 794                                 fprintf(stdout,
 795                                         "#define dns_rdatatype_%s\t%s"
 796                                         "((dns_rdatatype_t)dns_rdatatype_%s)"
 797                                         "\n",
 798                                         s, strlen(s) < 2U ? "\t" : "", s);
 799                                 lasttype = tt->type;
 800                         }
 801
 802                 fprintf(stdout, "#define dns_rdatatype_ixfr\t"
 803                         "((dns_rdatatype_t)dns_rdatatype_ixfr)\n");
 804                 fprintf(stdout, "#define dns_rdatatype_axfr\t"
 805                         "((dns_rdatatype_t)dns_rdatatype_axfr)\n");
 806                 fprintf(stdout, "#define dns_rdatatype_mailb\t"
 807                         "((dns_rdatatype_t)dns_rdatatype_mailb)\n");
 808                 fprintf(stdout, "#define dns_rdatatype_maila\t"
 809                         "((dns_rdatatype_t)dns_rdatatype_maila)\n");
 810                 fprintf(stdout, "#define dns_rdatatype_any\t"
 811                         "((dns_rdatatype_t)dns_rdatatype_any)\n");
 812
 813                 fprintf(stdout, "\n#endif /* DNS_ENUMTYPE_H */\n");
 814
 815         } else if (class_enum) {
 816                 char *s;
 817                 int classnum;
 818
 819                 fprintf(stdout, "#ifndef DNS_ENUMCLASS_H\n");
 820                 fprintf(stdout, "#define DNS_ENUMCLASS_H 1\n\n");
 821
 822                 fprintf(stdout, "enum {\n");
 823
 824                 fprintf(stdout, "\tdns_rdataclass_reserved0 = 0,\n");
 825                 fprintf(stdout, "#define dns_rdataclass_reserved0 \\\n\t\t\t\t"
 826                         "((dns_rdataclass_t)dns_rdataclass_reserved0)\n");
 827
 828 #define PRINTCLASS(name, num) \
 829         do { \
 830                 s = funname(name, buf1); \
 831                 classnum = num; \
 832                 fprintf(stdout, "\tdns_rdataclass_%s = %d%s\n", s, classnum, \
 833                        classnum != 255 ? "," : ""); \
 834                 fprintf(stdout, "#define dns_rdataclass_%s\t" \
 835                        "((dns_rdataclass_t)dns_rdataclass_%s)\n", s, s); \
 836         } while (0)
 837
 838                 for (cc = classes; cc != NULL; cc = cc->next) {
 839                         if (cc->rdclass == 3)
 840                                 PRINTCLASS("chaos", 3);
 841                         else if (cc->rdclass == 255)
 842                                 PRINTCLASS("none", 254);
 843                         PRINTCLASS(cc->classname, cc->rdclass);
 844                 }
 845
 846 #undef PRINTCLASS
 847
 848                 fprintf(stdout, "};\n\n");
 849                 fprintf(stdout, "#endif /* DNS_ENUMCLASS_H */\n");
 850         } else if (structs) {
 851                 if (prefix != NULL) {
 852                         if ((fd = fopen(prefix,"r")) != NULL) {
 853                                 while (fgets(buf, sizeof(buf), fd) != NULL)
 854                                         fputs(buf, stdout);
 855                                 fclose(fd);
 856                         }
 857                 }
 858                 for (tt = types; tt != NULL; tt = tt->next) {
 859                         sprintf(buf, "%s/%s_%d.h",
 860                                 tt->dirname, tt->typename, tt->type);
 861                         if ((fd = fopen(buf,"r")) != NULL) {
 862                                 while (fgets(buf, sizeof(buf), fd) != NULL)
 863                                         fputs(buf, stdout);
 864                                 fclose(fd);
 865                         }
 866                 }
 867                 if (suffix != NULL) {
 868                         if ((fd = fopen(suffix,"r")) != NULL) {
 869                                 while (fgets(buf, sizeof(buf), fd) != NULL)
 870                                         fputs(buf, stdout);
 871                                 fclose(fd);
 872                         }
 873                 }
 874         } else if (depend) {
 875                 for (tt = types; tt != NULL; tt = tt->next)
 876                         fprintf(stdout, "%s:\t%s/%s_%d.h\n", file,
 877                                 tt->dirname, tt->typename, tt->type);
 878         }
 879
 880         if (ferror(stdout) != 0)
 881                 exit(1);
 882
 883         return (0);
 884 }