contrib/bind-9.3/lib/dns/gen.c

   1 /*
   2  * Copyright (C) 2004  Internet Systems Consortium, Inc. ("ISC")
   3  * Copyright (C) 1998-2003  Internet Software Consortium.
   4  *
   5  * Permission to use, copy, modify, and 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 1.65.2.5.2.6 2004/03/15 01:02:54 marka Exp $ */
  19
  20 #include <config.h>
  21
  22 #include <sys/types.h>
  23
  24 #include <ctype.h>
  25 #include <stdlib.h>
  26 #include <stdio.h>
  27 #include <stdlib.h>
  28 #include <string.h>
  29 #include <time.h>
  30
  31 #ifdef WIN32
  32 #include "gen-win32.h"
  33 #else
  34 #include "gen-unix.h"
  35 #endif
  36
  37 #define FROMTEXTARGS "rdclass, type, lexer, origin, options, target, callbacks"
  38 #define FROMTEXTCLASS "rdclass"
  39 #define FROMTEXTTYPE "type"
  40 #define FROMTEXTDEF "result = DNS_R_UNKNOWN"
  41
  42 #define TOTEXTARGS "rdata, tctx, target"
  43 #define TOTEXTCLASS "rdata->rdclass"
  44 #define TOTEXTTYPE "rdata->type"
  45 #define TOTEXTDEF "use_default = ISC_TRUE"
  46
  47 #define FROMWIREARGS "rdclass, type, source, dctx, options, target"
  48 #define FROMWIRECLASS "rdclass"
  49 #define FROMWIRETYPE "type"
  50 #define FROMWIREDEF "use_default = ISC_TRUE"
  51
  52 #define TOWIREARGS "rdata, cctx, target"
  53 #define TOWIRECLASS "rdata->rdclass"
  54 #define TOWIRETYPE "rdata->type"
  55 #define TOWIREDEF "use_default = ISC_TRUE"
  56
  57 #define FROMSTRUCTARGS "rdclass, type, source, target"
  58 #define FROMSTRUCTCLASS "rdclass"
  59 #define FROMSTRUCTTYPE "type"
  60 #define FROMSTRUCTDEF "use_default = ISC_TRUE"
  61
  62 #define TOSTRUCTARGS "rdata, target, mctx"
  63 #define TOSTRUCTCLASS "rdata->rdclass"
  64 #define TOSTRUCTTYPE "rdata->type"
  65 #define TOSTRUCTDEF "use_default = ISC_TRUE"
  66
  67 #define FREESTRUCTARGS "source"
  68 #define FREESTRUCTCLASS "common->rdclass"
  69 #define FREESTRUCTTYPE "common->rdtype"
  70 #define FREESTRUCTDEF NULL
  71
  72 #define COMPAREARGS "rdata1, rdata2"
  73 #define COMPARECLASS "rdata1->rdclass"
  74 #define COMPARETYPE "rdata1->type"
  75 #define COMPAREDEF "use_default = ISC_TRUE"
  76
  77 #define ADDITIONALDATAARGS "rdata, add, arg"
  78 #define ADDITIONALDATACLASS "rdata->rdclass"
  79 #define ADDITIONALDATATYPE "rdata->type"
  80 #define ADDITIONALDATADEF "use_default = ISC_TRUE"
  81
  82 #define DIGESTARGS "rdata, digest, arg"
  83 #define DIGESTCLASS "rdata->rdclass"
  84 #define DIGESTTYPE "rdata->type"
  85 #define DIGESTDEF "use_default = ISC_TRUE"
  86
  87 #define CHECKOWNERARGS "name, rdclass, type, wildcard"
  88 #define CHECKOWNERCLASS "rdclass"
  89 #define CHECKOWNERTYPE "type"
  90 #define CHECKOWNERDEF "result = ISC_TRUE"
  91
  92 #define CHECKNAMESARGS "rdata, owner, bad"
  93 #define CHECKNAMESCLASS "rdata->rdclass"
  94 #define CHECKNAMESTYPE "rdata->type"
  95 #define CHECKNAMESDEF "result = ISC_TRUE"
  96
  97 const char copyright[] =
  98 "/*\n"
  99 " * Copyright (C) 2004%s Internet Systems Consortium, Inc. (\"ISC\")\n"
 100 " * Copyright (C) 1998-2003 Internet Software Consortium.\n"
 101 " *\n"
 102 " * Permission to use, copy, modify, and distribute this software for any\n"
 103 " * purpose with or without fee is hereby granted, provided that the above\n"
 104 " * copyright notice and this permission notice appear in all copies.\n"
 105 " *\n"
 106 " * THE SOFTWARE IS PROVIDED \"AS IS\" AND ISC DISCLAIMS ALL WARRANTIES WITH\n"
 107 " * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY\n"
 108 " * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,\n"
 109 " * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM\n"
 110 " * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE\n"
 111 " * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR\n"
 112 " * PERFORMANCE OF THIS SOFTWARE.\n"
 113 " */\n"
 114 "\n"
 115 "/***************\n"
 116 " ***************\n"
 117 " ***************   THIS FILE IS AUTOMATICALLY GENERATED BY gen.c.\n"
 118 " ***************   DO NOT EDIT!\n"
 119 " ***************\n"
 120 " ***************/\n"
 121 "\n";
 122
 123 #define TYPENAMES 256
 124
 125 struct cc {
 126         struct cc *next;
 127         int rdclass;
 128         char classname[11];
 129 } *classes;
 130
 131 struct tt {
 132         struct tt *next;
 133         int rdclass;
 134         int type;
 135         char classname[11];
 136         char typename[11];
 137         char dirname[256];              /* XXX Should be max path length */
 138 } *types;
 139
 140 struct ttnam {
 141         char typename[11];
 142         char macroname[11];
 143         char attr[256];
 144         unsigned int sorted;
 145         int type;
 146 } typenames[TYPENAMES];
 147
 148 int maxtype = -1;
 149
 150 char *
 151 upper(char *);
 152 char *
 153 funname(const char *, char *);
 154 void
 155 doswitch(const char *, const char *, const char *, const char *,
 156          const char *, const char *);
 157 void
 158 dodecl(char *, char *, char *);
 159 void
 160 add(int, const char *, int, const char *, const char *);
 161 void
 162 sd(int, const char *, const char *, char);
 163 void
 164 insert_into_typenames(int, const char *, const char *);
 165
 166 /*
 167  * If you use more than 10 of these in, say, a printf(), you'll have problems.
 168  */
 169 char *
 170 upper(char *s) {
 171         static int buf_to_use = 0;
 172         static char buf[10][256];
 173         char *b;
 174         int c;
 175
 176         buf_to_use++;
 177         if (buf_to_use > 9)
 178                 buf_to_use = 0;
 179
 180         b = buf[buf_to_use];
 181         memset(b, 0, 256);
 182
 183         while ((c = (*s++) & 0xff))
 184                 *b++ = islower(c) ? toupper(c) : c;
 185         *b = '\0';
 186         return (buf[buf_to_use]);
 187 }
 188
 189 char *
 190 funname(const char *s, char *buf) {
 191         char *b = buf;
 192         char c;
 193
 194         while ((c = *s++)) {
 195                 *b++ = (c == '-') ? '_' : c;
 196         }
 197         *b = '\0';
 198         return (buf);
 199 }
 200
 201 void
 202 doswitch(const char *name, const char *function, const char *args,
 203          const char *tsw, const char *csw, const char *res)
 204 {
 205         struct tt *tt;
 206         int first = 1;
 207         int lasttype = 0;
 208         int subswitch = 0;
 209         char buf1[11], buf2[11];
 210         const char *result = " result =";
 211
 212         if (res == NULL)
 213                 result = "";
 214
 215         for (tt = types; tt != NULL; tt = tt->next) {
 216                 if (first) {
 217                         fprintf(stdout, "\n#define %s \\\n", name);
 218                         fprintf(stdout, "\tswitch (%s) { \\\n" /*}*/, tsw);
 219                         first = 0;
 220                 }
 221                 if (tt->type != lasttype && subswitch) {
 222                         if (res == NULL)
 223                                 fprintf(stdout, "\t\tdefault: break; \\\n");
 224                         else
 225                                 fprintf(stdout,
 226                                         "\t\tdefault: %s; break; \\\n", res);
 227                         fputs(/*{*/ "\t\t} \\\n", stdout);
 228                         fputs("\t\tbreak; \\\n", stdout);
 229                         subswitch = 0;
 230                 }
 231                 if (tt->rdclass && tt->type != lasttype) {
 232                         fprintf(stdout, "\tcase %d: switch (%s) { \\\n" /*}*/,
 233                                 tt->type, csw);
 234                         subswitch = 1;
 235                 }
 236                 if (tt->rdclass == 0)
 237                         fprintf(stdout,
 238                                 "\tcase %d:%s %s_%s(%s); break;",
 239                                 tt->type, result, function,
 240                                 funname(tt->typename, buf1), args);
 241                 else
 242                         fprintf(stdout,
 243                                 "\t\tcase %d:%s %s_%s_%s(%s); break;",
 244                                 tt->rdclass, result, function,
 245                                 funname(tt->classname, buf1),
 246                                 funname(tt->typename, buf2), args);
 247                 fputs(" \\\n", stdout);
 248                 lasttype = tt->type;
 249         }
 250         if (subswitch) {
 251                 if (res == NULL)
 252                         fprintf(stdout, "\t\tdefault: break; \\\n");
 253                 else
 254                         fprintf(stdout, "\t\tdefault: %s; break; \\\n", res);
 255                 fputs(/*{*/ "\t\t} \\\n", stdout);
 256                 fputs("\t\tbreak; \\\n", stdout);
 257         }
 258         if (first) {
 259                 if (res == NULL)
 260                         fprintf(stdout, "\n#define %s\n", name);
 261                 else
 262                         fprintf(stdout, "\n#define %s %s;\n", name, res);
 263         } else {
 264                 if (res == NULL)
 265                         fprintf(stdout, "\tdefault: break; \\\n");
 266                 else
 267                         fprintf(stdout, "\tdefault: %s; break; \\\n", res);
 268                 fputs(/*{*/ "\t}\n", stdout);
 269         }
 270 }
 271
 272 void
 273 dodecl(char *type, char *function, char *args) {
 274         struct tt *tt;
 275         char buf1[11], buf2[11];
 276
 277         fputs("\n", stdout);
 278         for (tt = types; tt; tt = tt->next)
 279                 if (tt->rdclass)
 280                         fprintf(stdout,
 281                                 "static inline %s %s_%s_%s(%s);\n",
 282                                 type, function,
 283                                 funname(tt->classname, buf1),
 284                                 funname(tt->typename, buf2), args);
 285                 else
 286                         fprintf(stdout,
 287                                 "static inline %s %s_%s(%s);\n",
 288                                 type, function,
 289                                 funname(tt->typename, buf1), args);
 290 }
 291
 292 static struct ttnam *
 293 find_typename(int type) {
 294         int i;
 295
 296         for (i = 0; i < TYPENAMES; i++) {
 297                 if (typenames[i].typename[0] != 0 &&
 298                     typenames[i].type == type)
 299                         return (&typenames[i]);
 300         }
 301         return (NULL);
 302 }
 303
 304 void
 305 insert_into_typenames(int type, const char *typename, const char *attr) {
 306         struct ttnam *ttn = NULL;
 307         int c, i;
 308         char tmp[256];
 309
 310         for (i = 0; i < TYPENAMES; i++) {
 311                 if (typenames[i].typename[0] != 0 &&
 312                     typenames[i].type == type &&
 313                     strcmp(typename, typenames[i].typename) != 0) {
 314                         fprintf(stderr,
 315                                 "Error:  type %d has two names: %s, %s\n",
 316                                 type, typenames[i].typename, typename);
 317                         exit(1);
 318                 }
 319                 if (typenames[i].typename[0] == 0 && ttn == NULL)
 320                         ttn = &typenames[i];
 321         }
 322         if (ttn == NULL) {
 323                 fprintf(stderr, "Error: typenames array too small\n");
 324                 exit(1);
 325         }
 326
 327         if (strlen(typename) > sizeof(ttn->typename) - 1) {
 328                 fprintf(stderr, "Error:  type name %s is too long\n",
 329                         typename);
 330                 exit(1);
 331         }
 332         strcpy(ttn->typename, typename);
 333         ttn->type = type;
 334
 335         strcpy(ttn->macroname, ttn->typename);
 336         c = strlen(ttn->macroname);
 337         while (c > 0) {
 338                 if (ttn->macroname[c - 1] == '-')
 339                         ttn->macroname[c - 1] = '_';
 340                 c--;
 341         }
 342
 343         if (attr == NULL) {
 344                 sprintf(tmp, "RRTYPE_%s_ATTRIBUTES", upper(ttn->macroname));
 345                 attr = tmp;
 346         }
 347
 348         if (ttn->attr[0] != 0 && strcmp(attr, ttn->attr) != 0) {
 349                 fprintf(stderr, "Error:  type %d has different attributes: "
 350                         "%s, %s\n", type, ttn->attr, attr);
 351                 exit(1);
 352         }
 353
 354         if (strlen(attr) > sizeof(ttn->attr) - 1) {
 355                 fprintf(stderr, "Error:  attr (%s) [name %s] is too long\n",
 356                         attr, typename);
 357                 exit(1);
 358         }
 359         strcpy(ttn->attr, attr);
 360         ttn->sorted = 0;
 361         if (maxtype < type)
 362                 maxtype = type;
 363 }
 364
 365 void
 366 add(int rdclass, const char *classname, int type, const char *typename,
 367     const char *dirname)
 368 {
 369         struct tt *newtt = (struct tt *)malloc(sizeof(*newtt));
 370         struct tt *tt, *oldtt;
 371         struct cc *newcc;
 372         struct cc *cc, *oldcc;
 373
 374         insert_into_typenames(type, typename, NULL);
 375
 376         if (newtt == NULL) {
 377                 fprintf(stderr, "malloc() failed\n");
 378                 exit(1);
 379         }
 380
 381         newtt->next = NULL;
 382         newtt->rdclass = rdclass;
 383         newtt->type = type;
 384         strcpy(newtt->classname, classname);
 385         strcpy(newtt->typename, typename);
 386         strcpy(newtt->dirname, dirname);
 387
 388         tt = types;
 389         oldtt = NULL;
 390
 391         while ((tt != NULL) && (tt->type < type)) {
 392                 oldtt = tt;
 393                 tt = tt->next;
 394         }
 395
 396         while ((tt != NULL) && (tt->type == type) && (tt->rdclass < rdclass)) {
 397                 if (strcmp(tt->typename, typename) != 0)
 398                         exit(1);
 399                 oldtt = tt;
 400                 tt = tt->next;
 401         }
 402
 403         if ((tt != NULL) && (tt->type == type) && (tt->rdclass == rdclass))
 404                 exit(1);
 405
 406         newtt->next = tt;
 407         if (oldtt != NULL)
 408                 oldtt->next = newtt;
 409         else
 410                 types = newtt;
 411
 412         /*
 413          * Do a class switch for this type.
 414          */
 415         if (rdclass == 0)
 416                 return;
 417
 418         newcc = (struct cc *)malloc(sizeof(*newcc));
 419         newcc->rdclass = rdclass;
 420         strcpy(newcc->classname, classname);
 421         cc = classes;
 422         oldcc = NULL;
 423
 424         while ((cc != NULL) && (cc->rdclass < rdclass)) {
 425                 oldcc = cc;
 426                 cc = cc->next;
 427         }
 428
 429         if ((cc != NULL) && cc->rdclass == rdclass) {
 430                 free((char *)newcc);
 431                 return;
 432         }
 433
 434         newcc->next = cc;
 435         if (oldcc != NULL)
 436                 oldcc->next = newcc;
 437         else
 438                 classes = newcc;
 439 }
 440
 441 void
 442 sd(int rdclass, const char *classname, const char *dirname, char filetype) {
 443         char buf[sizeof("0123456789_65535.h")];
 444         char fmt[sizeof("%10[-0-9a-z]_%d.h")];
 445         int type;
 446         char typename[11];
 447         isc_dir_t dir;
 448
 449         if (!start_directory(dirname, &dir))
 450                 return;
 451
 452         sprintf(fmt,"%s%c", "%10[-0-9a-z]_%d.", filetype);
 453         while (next_file(&dir)) {
 454                 if (sscanf(dir.filename, fmt, typename, &type) != 2)
 455                         continue;
 456                 if ((type > 65535) || (type < 0))
 457                         continue;
 458
 459                 sprintf(buf, "%s_%d.%c", typename, type, filetype);
 460                 if (strcmp(buf, dir.filename) != 0)
 461                         continue;
 462                 add(rdclass, classname, type, typename, dirname);
 463         }
 464
 465         end_directory(&dir);
 466 }
 467
 468 static unsigned int
 469 HASH(char *string) {
 470         unsigned int n;
 471         unsigned char a, b;
 472
 473         n = strlen(string);
 474         if (n == 0) {
 475                 fprintf(stderr, "n == 0?\n");
 476                 exit(1);
 477         }
 478         a = tolower((unsigned char)string[0]);
 479         b = tolower((unsigned char)string[n - 1]);
 480
 481         return ((a + n) * b) % 256;
 482 }
 483
 484 int
 485 main(int argc, char **argv) {
 486         char buf[256];                  /* XXX Should be max path length */
 487         char srcdir[256];               /* XXX Should be max path length */
 488         int rdclass;
 489         char classname[11];
 490         struct tt *tt;
 491         struct cc *cc;
 492         struct ttnam *ttn, *ttn2;
 493         unsigned int hash;
 494         struct tm *tm;
 495         time_t now;
 496         char year[11];
 497         int lasttype;
 498         int code = 1;
 499         int class_enum = 0;
 500         int type_enum = 0;
 501         int structs = 0;
 502         int depend = 0;
 503         int c, i, j;
 504         char buf1[11];
 505         char filetype = 'c';
 506         FILE *fd;
 507         char *prefix = NULL;
 508         char *suffix = NULL;
 509         char *file = NULL;
 510         isc_dir_t dir;
 511
 512         for (i = 0; i < TYPENAMES; i++)
 513                 memset(&typenames[i], 0, sizeof(typenames[i]));
 514
 515         strcpy(srcdir, "");
 516         while ((c = isc_commandline_parse(argc, argv, "cdits:F:P:S:")) != -1)
 517                 switch (c) {
 518                 case 'c':
 519                         code = 0;
 520                         depend = 0;
 521                         type_enum = 0;
 522                         class_enum = 1;
 523                         filetype = 'c';
 524                         structs = 0;
 525                         break;
 526                 case 'd':
 527                         code = 0;
 528                         depend = 1;
 529                         class_enum = 0;
 530                         type_enum = 0;
 531                         structs = 0;
 532                         filetype = 'h';
 533                         break;
 534                 case 't':
 535                         code = 0;
 536                         depend = 0;
 537                         class_enum = 0;
 538                         type_enum = 1;
 539                         filetype = 'c';
 540                         structs = 0;
 541                         break;
 542                 case 'i':
 543                         code = 0;
 544                         depend = 0;
 545                         class_enum = 0;
 546                         type_enum = 0;
 547                         structs = 1;
 548                         filetype = 'h';
 549                         break;
 550                 case 's':
 551                         sprintf(srcdir, "%s/", isc_commandline_argument);
 552                         break;
 553                 case 'F':
 554                         file = isc_commandline_argument;
 555                         break;
 556                 case 'P':
 557                         prefix = isc_commandline_argument;
 558                         break;
 559                 case 'S':
 560                         suffix = isc_commandline_argument;
 561                         break;
 562                 case '?':
 563                         exit(1);
 564                 }
 565
 566         sprintf(buf, "%srdata", srcdir);
 567
 568         if (!start_directory(buf, &dir))
 569                 exit(1);
 570
 571         while (next_file(&dir)) {
 572                 if (sscanf(dir.filename, "%10[0-9a-z]_%d",
 573                            classname, &rdclass) != 2)
 574                         continue;
 575                 if ((rdclass > 65535) || (rdclass < 0))
 576                         continue;
 577
 578                 sprintf(buf, "%srdata/%s_%d", srcdir, classname, rdclass);
 579                 if (strcmp(buf + 6 + strlen(srcdir), dir.filename) != 0)
 580                         continue;
 581                 sd(rdclass, classname, buf, filetype);
 582         }
 583         end_directory(&dir);
 584         sprintf(buf, "%srdata/generic", srcdir);
 585         sd(0, "", buf, filetype);
 586
 587         if (time(&now) != -1) {
 588                 if ((tm = localtime(&now)) != NULL && tm->tm_year > 104)
 589                         sprintf(year, "-%d", tm->tm_year + 1900);
 590                 else
 591                         year[0] = 0;
 592         } else
 593                 year[0] = 0;
 594
 595         if (!depend) fprintf(stdout, copyright, year);
 596
 597         if (code) {
 598                 fputs("#ifndef DNS_CODE_H\n", stdout);
 599                 fputs("#define DNS_CODE_H 1\n\n", stdout);
 600
 601                 fputs("#include <isc/boolean.h>\n", stdout);
 602                 fputs("#include <isc/result.h>\n\n", stdout);
 603                 fputs("#include <dns/name.h>\n\n", stdout);
 604
 605                 for (tt = types; tt != NULL; tt = tt->next)
 606                         fprintf(stdout, "#include \"%s/%s_%d.c\"\n",
 607                                 tt->dirname, tt->typename, tt->type);
 608
 609                 fputs("\n\n", stdout);
 610
 611                 doswitch("FROMTEXTSWITCH", "fromtext", FROMTEXTARGS,
 612                          FROMTEXTTYPE, FROMTEXTCLASS, FROMTEXTDEF);
 613                 doswitch("TOTEXTSWITCH", "totext", TOTEXTARGS,
 614                          TOTEXTTYPE, TOTEXTCLASS, TOTEXTDEF);
 615                 doswitch("FROMWIRESWITCH", "fromwire", FROMWIREARGS,
 616                          FROMWIRETYPE, FROMWIRECLASS, FROMWIREDEF);
 617                 doswitch("TOWIRESWITCH", "towire", TOWIREARGS,
 618                          TOWIRETYPE, TOWIRECLASS, TOWIREDEF);
 619                 doswitch("COMPARESWITCH", "compare", COMPAREARGS,
 620                           COMPARETYPE, COMPARECLASS, COMPAREDEF);
 621                 doswitch("FROMSTRUCTSWITCH", "fromstruct", FROMSTRUCTARGS,
 622                           FROMSTRUCTTYPE, FROMSTRUCTCLASS, FROMSTRUCTDEF);
 623                 doswitch("TOSTRUCTSWITCH", "tostruct", TOSTRUCTARGS,
 624                           TOSTRUCTTYPE, TOSTRUCTCLASS, TOSTRUCTDEF);
 625                 doswitch("FREESTRUCTSWITCH", "freestruct", FREESTRUCTARGS,
 626                           FREESTRUCTTYPE, FREESTRUCTCLASS, FREESTRUCTDEF);
 627                 doswitch("ADDITIONALDATASWITCH", "additionaldata",
 628                          ADDITIONALDATAARGS, ADDITIONALDATATYPE,
 629                          ADDITIONALDATACLASS, ADDITIONALDATADEF);
 630                 doswitch("DIGESTSWITCH", "digest",
 631                          DIGESTARGS, DIGESTTYPE,
 632                          DIGESTCLASS, DIGESTDEF);
 633                 doswitch("CHECKOWNERSWITCH", "checkowner",
 634                         CHECKOWNERARGS, CHECKOWNERTYPE,
 635                         CHECKOWNERCLASS, CHECKOWNERDEF);
 636                 doswitch("CHECKNAMESSWITCH", "checknames",
 637                         CHECKNAMESARGS, CHECKNAMESTYPE,
 638                         CHECKNAMESCLASS, CHECKNAMESDEF);
 639
 640                 /*
 641                  * From here down, we are processing the rdata names and
 642                  * attributes.
 643                  */
 644
 645 #define PRINT_COMMA(x) (x == maxtype ? "" : ",")
 646
 647 #define METANOTQUESTION  "DNS_RDATATYPEATTR_META | " \
 648                          "DNS_RDATATYPEATTR_NOTQUESTION"
 649 #define METAQUESTIONONLY "DNS_RDATATYPEATTR_META | " \
 650                          "DNS_RDATATYPEATTR_QUESTIONONLY"
 651 #define RESERVED "DNS_RDATATYPEATTR_RESERVED"
 652
 653                 /*
 654                  * Add in reserved/special types.  This will let us
 655                  * sort them without special cases.
 656                  */
 657                 insert_into_typenames(0, "reserved0", RESERVED);
 658                 insert_into_typenames(31, "eid", RESERVED);
 659                 insert_into_typenames(32, "nimloc", RESERVED);
 660                 insert_into_typenames(34, "atma", RESERVED);
 661                 insert_into_typenames(100, "uinfo", RESERVED);
 662                 insert_into_typenames(101, "uid", RESERVED);
 663                 insert_into_typenames(102, "gid", RESERVED);
 664                 insert_into_typenames(251, "ixfr", METAQUESTIONONLY);
 665                 insert_into_typenames(252, "axfr", METAQUESTIONONLY);
 666                 insert_into_typenames(253, "mailb", METAQUESTIONONLY);
 667                 insert_into_typenames(254, "maila", METAQUESTIONONLY);
 668                 insert_into_typenames(255, "any", METAQUESTIONONLY);
 669
 670                 /*
 671                  * Spit out a quick and dirty hash function.  Here,
 672                  * we walk through the list of type names, and calculate
 673                  * a hash.  This isn't perfect, but it will generate "pretty
 674                  * good" estimates.  Lowercase the characters before
 675                  * computing in all cases.
 676                  *
 677                  * Here, walk the list from top to bottom, calculating
 678                  * the hash (mod 256) for each name.
 679                  */
 680                 fprintf(stdout, "#define RDATATYPE_COMPARE(_s, _d, _tn, _n, _tp) \\\n");
 681                 fprintf(stdout, "\tdo { \\\n");
 682                 fprintf(stdout, "\t\tif (sizeof(_s) - 1 == _n && \\\n"
 683                                 "\t\t    strncasecmp(_s,(_tn),"
 684                                 "(sizeof(_s) - 1)) == 0) { \\\n");
 685                 fprintf(stdout, "\t\t\tif ((dns_rdatatype_attributes(_d) & "
 686                                   "DNS_RDATATYPEATTR_RESERVED) != 0) \\\n");
 687                 fprintf(stdout, "\t\t\t\treturn (ISC_R_NOTIMPLEMENTED); \\\n");
 688                 fprintf(stdout, "\t\t\t*(_tp) = _d; \\\n");
 689                 fprintf(stdout, "\t\t\treturn (ISC_R_SUCCESS); \\\n");
 690                 fprintf(stdout, "\t\t} \\\n");
 691                 fprintf(stdout, "\t} while (0)\n\n");
 692
 693                 fprintf(stdout, "#define RDATATYPE_FROMTEXT_SW(_hash,"
 694                                 "_typename,_length,_typep) \\\n");
 695                 fprintf(stdout, "\tswitch (_hash) { \\\n");
 696                 for (i = 0; i <= maxtype; i++) {
 697                         ttn = find_typename(i);
 698                         if (ttn == NULL)
 699                                 continue;
 700
 701                         /*
 702                          * Skip entries we already processed.
 703                          */
 704                         if (ttn->sorted != 0)
 705                                 continue;
 706
 707                         hash = HASH(ttn->typename);
 708                         fprintf(stdout, "\t\tcase %u: \\\n", hash);
 709
 710                         /*
 711                          * Find all other entries that happen to match
 712                          * this hash.
 713                          */
 714                         for (j = 0; j <= maxtype; j++) {
 715                                 ttn2 = find_typename(j);
 716                                 if (ttn2 == NULL)
 717                                         continue;
 718                                 if (hash == HASH(ttn2->typename)) {
 719                                         fprintf(stdout, "\t\t\tRDATATYPE_COMPARE"
 720                                                "(\"%s\", %u, "
 721                                                "_typename, _length, _typep); \\\n",
 722                                                ttn2->typename, ttn2->type);
 723                                         ttn2->sorted = 1;
 724                                 }
 725                         }
 726                         fprintf(stdout, "\t\t\tbreak; \\\n");
 727                 }
 728                 fprintf(stdout, "\t}\n");
 729
 730                 fprintf(stdout, "#define RDATATYPE_ATTRIBUTE_SW \\\n");
 731                 fprintf(stdout, "\tswitch (type) { \\\n");
 732                 for (i = 0; i <= maxtype; i++) {
 733                         ttn = find_typename(i);
 734                         if (ttn == NULL)
 735                                 continue;
 736                         fprintf(stdout, "\tcase %u: return (%s); \\\n",
 737                                 i, upper(ttn->attr));
 738                 }
 739                 fprintf(stdout, "\t}\n");
 740
 741                 fprintf(stdout, "#define RDATATYPE_TOTEXT_SW \\\n");
 742                 fprintf(stdout, "\tswitch (type) { \\\n");
 743                 for (i = 0; i <= maxtype; i++) {
 744                         ttn = find_typename(i);
 745                         if (ttn == NULL)
 746                                 continue;
 747                         fprintf(stdout, "\tcase %u: return "
 748                                 "(str_totext(\"%s\", target)); \\\n",
 749                                 i, upper(ttn->typename));
 750                 }
 751                 fprintf(stdout, "\t}\n");
 752
 753                 fputs("#endif /* DNS_CODE_H */\n", stdout);
 754         } else if (type_enum) {
 755                 char *s;
 756
 757                 fprintf(stdout, "#ifndef DNS_ENUMTYPE_H\n");
 758                 fprintf(stdout, "#define DNS_ENUMTYPE_H 1\n\n");
 759
 760                 fprintf(stdout, "enum {\n");
 761                 fprintf(stdout, "\tdns_rdatatype_none = 0,\n");
 762
 763                 lasttype = 0;
 764                 for (tt = types; tt != NULL; tt = tt->next)
 765                         if (tt->type != lasttype)
 766                                 fprintf(stdout,
 767                                         "\tdns_rdatatype_%s = %d,\n",
 768                                         funname(tt->typename, buf1),
 769                                         lasttype = tt->type);
 770
 771                 fprintf(stdout, "\tdns_rdatatype_ixfr = 251,\n");
 772                 fprintf(stdout, "\tdns_rdatatype_axfr = 252,\n");
 773                 fprintf(stdout, "\tdns_rdatatype_mailb = 253,\n");
 774                 fprintf(stdout, "\tdns_rdatatype_maila = 254,\n");
 775                 fprintf(stdout, "\tdns_rdatatype_any = 255\n");
 776
 777                 fprintf(stdout, "};\n\n");
 778
 779                 fprintf(stdout, "#define dns_rdatatype_none\t"
 780                         "((dns_rdatatype_t)dns_rdatatype_none)\n");
 781
 782                 for (tt = types; tt != NULL; tt = tt->next)
 783                         if (tt->type != lasttype) {
 784                                 s = funname(tt->typename, buf1);
 785                                 fprintf(stdout,
 786                                         "#define dns_rdatatype_%s\t%s"
 787                                         "((dns_rdatatype_t)dns_rdatatype_%s)"
 788                                         "\n",
 789                                         s, strlen(s) < 2U ? "\t" : "", s);
 790                                 lasttype = tt->type;
 791                         }
 792
 793                 fprintf(stdout, "#define dns_rdatatype_ixfr\t"
 794                         "((dns_rdatatype_t)dns_rdatatype_ixfr)\n");
 795                 fprintf(stdout, "#define dns_rdatatype_axfr\t"
 796                         "((dns_rdatatype_t)dns_rdatatype_axfr)\n");
 797                 fprintf(stdout, "#define dns_rdatatype_mailb\t"
 798                         "((dns_rdatatype_t)dns_rdatatype_mailb)\n");
 799                 fprintf(stdout, "#define dns_rdatatype_maila\t"
 800                         "((dns_rdatatype_t)dns_rdatatype_maila)\n");
 801                 fprintf(stdout, "#define dns_rdatatype_any\t"
 802                         "((dns_rdatatype_t)dns_rdatatype_any)\n");
 803
 804                 fprintf(stdout, "\n#endif /* DNS_ENUMTYPE_H */\n");
 805
 806         } else if (class_enum) {
 807                 char *s;
 808                 int classnum;
 809
 810                 fprintf(stdout, "#ifndef DNS_ENUMCLASS_H\n");
 811                 fprintf(stdout, "#define DNS_ENUMCLASS_H 1\n\n");
 812
 813                 fprintf(stdout, "enum {\n");
 814
 815                 fprintf(stdout, "\tdns_rdataclass_reserved0 = 0,\n");
 816                 fprintf(stdout, "#define dns_rdataclass_reserved0 \\\n\t\t\t\t"
 817                         "((dns_rdataclass_t)dns_rdataclass_reserved0)\n");
 818
 819 #define PRINTCLASS(name, num) \
 820         do { \
 821                 s = funname(name, buf1); \
 822                 classnum = num; \
 823                 fprintf(stdout, "\tdns_rdataclass_%s = %d%s\n", s, classnum, \
 824                        classnum != 255 ? "," : ""); \
 825                 fprintf(stdout, "#define dns_rdataclass_%s\t" \
 826                        "((dns_rdataclass_t)dns_rdataclass_%s)\n", s, s); \
 827         } while (0)
 828
 829                 for (cc = classes; cc != NULL; cc = cc->next) {
 830                         if (cc->rdclass == 4) {
 831                                 PRINTCLASS("ch", 3);
 832                                 PRINTCLASS("chaos", 3);
 833
 834                         } else if (cc->rdclass == 255) {
 835                                 PRINTCLASS("none", 254);
 836                         }
 837                         PRINTCLASS(cc->classname, cc->rdclass);
 838                 }
 839
 840 #undef PRINTCLASS
 841
 842                 fprintf(stdout, "};\n\n");
 843                 fprintf(stdout, "#endif /* DNS_ENUMCLASS_H */\n");
 844         } else if (structs) {
 845                 if (prefix != NULL) {
 846                         if ((fd = fopen(prefix,"r")) != NULL) {
 847                                 while (fgets(buf, sizeof(buf), fd) != NULL)
 848                                         fputs(buf, stdout);
 849                                 fclose(fd);
 850                         }
 851                 }
 852                 for (tt = types; tt != NULL; tt = tt->next) {
 853                         sprintf(buf, "%s/%s_%d.h",
 854                                 tt->dirname, tt->typename, tt->type);
 855                         if ((fd = fopen(buf,"r")) != NULL) {
 856                                 while (fgets(buf, sizeof(buf), fd) != NULL)
 857                                         fputs(buf, stdout);
 858                                 fclose(fd);
 859                         }
 860                 }
 861                 if (suffix != NULL) {
 862                         if ((fd = fopen(suffix,"r")) != NULL) {
 863                                 while (fgets(buf, sizeof(buf), fd) != NULL)
 864                                         fputs(buf, stdout);
 865                                 fclose(fd);
 866                         }
 867                 }
 868         } else if (depend) {
 869                 for (tt = types; tt != NULL; tt = tt->next)
 870                         fprintf(stdout, "%s:\t%s/%s_%d.h\n", file,
 871                                 tt->dirname, tt->typename, tt->type);
 872         }
 873
 874         if (ferror(stdout) != 0)
 875                 exit(1);
 876
 877         return (0);
 878 }