lib/asn1/gen.c

   1 /*
   2  * Copyright (c) 1997 - 2005 Kungliga Tekniska Högskolan
   3  * (Royal Institute of Technology, Stockholm, Sweden).
   4  * All rights reserved.
   5  *
   6  * Redistribution and use in source and binary forms, with or without
   7  * modification, are permitted provided that the following conditions
   8  * are met:
   9  *
  10  * 1. Redistributions of source code must retain the above copyright
  11  *    notice, this list of conditions and the following disclaimer.
  12  *
  13  * 2. Redistributions in binary form must reproduce the above copyright
  14  *    notice, this list of conditions and the following disclaimer in the
  15  *    documentation and/or other materials provided with the distribution.
  16  *
  17  * 3. Neither the name of the Institute nor the names of its contributors
  18  *    may be used to endorse or promote products derived from this software
  19  *    without specific prior written permission.
  20  *
  21  * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
  22  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  23  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  24  * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
  25  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  26  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  27  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  28  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  29  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  30  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  31  * SUCH DAMAGE.
  32  */
  33
  34 #include "gen_locl.h"
  35
  36 RCSID("$Id$");
  37
  38 FILE *headerfile, *codefile, *logfile;
  39
  40 #define STEM "asn1"
  41
  42 static const char *orig_filename;
  43 static char *header;
  44 static const char *headerbase = STEM;
  45
  46 /*
  47  * list of all IMPORTs
  48  */
  49
  50 struct import {
  51     const char *module;
  52     struct import *next;
  53 };
  54
  55 static struct import *imports = NULL;
  56
  57 void
  58 add_import (const char *module)
  59 {
  60     struct import *tmp = emalloc (sizeof(*tmp));
  61
  62     tmp->module = module;
  63     tmp->next   = imports;
  64     imports     = tmp;
  65
  66     fprintf (headerfile, "#include <%s_asn1.h>\n", module);
  67 }
  68
  69 const char *
  70 get_filename (void)
  71 {
  72     return orig_filename;
  73 }
  74
  75 void
  76 init_generate (const char *filename, const char *base)
  77 {
  78     char *fn;
  79
  80     orig_filename = filename;
  81     if (base != NULL) {
  82         headerbase = strdup(base);
  83         if (headerbase == NULL)
  84             errx(1, "strdup");
  85     }
  86
  87     /* public header file */
  88     asprintf(&header, "%s.h", headerbase);
  89     if (header == NULL)
  90         errx(1, "malloc");
  91     asprintf(&fn, "%s.hx", headerbase);
  92     if (fn == NULL)
  93         errx(1, "malloc");
  94     headerfile = fopen (fn, "w");
  95     if (headerfile == NULL)
  96         err (1, "open %s", fn);
  97     free(fn);
  98
  99     fprintf (headerfile,
 100              "/* Generated from %s */\n"
 101              "/* Do not edit */\n\n",
 102              filename);
 103     fprintf (headerfile,
 104              "#ifndef __%s_h__\n"
 105              "#define __%s_h__\n\n", headerbase, headerbase);
 106     fprintf (headerfile,
 107              "#include <stddef.h>\n"
 108              "#include <time.h>\n\n");
 109     fprintf (headerfile,
 110              "#ifndef __asn1_common_definitions__\n"
 111              "#define __asn1_common_definitions__\n\n");
 112     fprintf (headerfile,
 113              "typedef struct heim_integer {\n"
 114              "  size_t length;\n"
 115              "  void *data;\n"
 116              "  int negative;\n"
 117              "} heim_integer;\n\n");
 118     fprintf (headerfile,
 119              "typedef struct heim_octet_string {\n"
 120              "  size_t length;\n"
 121              "  void *data;\n"
 122              "} heim_octet_string;\n\n");
 123     fprintf (headerfile,
 124              "typedef char *heim_general_string;\n\n"
 125              );
 126     fprintf (headerfile,
 127              "typedef char *heim_utf8_string;\n\n"
 128              );
 129     fprintf (headerfile,
 130              "typedef char *heim_printable_string;\n\n"
 131              );
 132     fprintf (headerfile,
 133              "typedef char *heim_ia5_string;\n\n"
 134              );
 135     fprintf (headerfile,
 136              "typedef struct heim_bmp_string {\n"
 137              "  size_t length;\n"
 138              "  uint16_t *data;\n"
 139              "} heim_bmp_string;\n\n");
 140     fprintf (headerfile,
 141              "typedef struct heim_universal_string {\n"
 142              "  size_t length;\n"
 143              "  uint32_t *data;\n"
 144              "} heim_universal_string;\n\n");
 145     fprintf (headerfile,
 146              "typedef char *heim_visible_string;\n\n"
 147              );
 148     fprintf (headerfile,
 149              "typedef struct heim_oid {\n"
 150              "  size_t length;\n"
 151              "  unsigned *components;\n"
 152              "} heim_oid;\n\n");
 153     fprintf (headerfile,
 154              "typedef struct heim_bit_string {\n"
 155              "  size_t length;\n"
 156              "  void *data;\n"
 157              "} heim_bit_string;\n\n");
 158     fprintf (headerfile,
 159              "typedef struct heim_octet_string heim_any;\n"
 160              "typedef struct heim_octet_string heim_any_set;\n\n");
 161     fputs("#define ASN1_MALLOC_ENCODE(T, B, BL, S, L, R)                  \\\n"
 162           "  do {                                                         \\\n"
 163           "    (BL) = length_##T((S));                                    \\\n"
 164           "    (B) = malloc((BL));                                        \\\n"
 165           "    if((B) == NULL) {                                          \\\n"
 166           "      (R) = ENOMEM;                                            \\\n"
 167           "    } else {                                                   \\\n"
 168           "      (R) = encode_##T(((unsigned char*)(B)) + (BL) - 1, (BL), \\\n"
 169           "                       (S), (L));                              \\\n"
 170           "      if((R) != 0) {                                           \\\n"
 171           "        free((B));                                             \\\n"
 172           "        (B) = NULL;                                            \\\n"
 173           "      }                                                        \\\n"
 174           "    }                                                          \\\n"
 175           "  } while (0)\n\n",
 176           headerfile);
 177     fprintf (headerfile, "struct units;\n\n");
 178     fprintf (headerfile, "#endif\n\n");
 179     asprintf(&fn, "%s_files", base);
 180     if (fn == NULL)
 181         errx(1, "malloc");
 182     logfile = fopen(fn, "w");
 183     if (logfile == NULL)
 184         err (1, "open %s", fn);
 185 }
 186
 187 void
 188 close_generate (void)
 189 {
 190     fprintf (headerfile, "#endif /* __%s_h__ */\n", headerbase);
 191
 192     fclose (headerfile);
 193     fprintf (logfile, "\n");
 194     fclose (logfile);
 195 }
 196
 197 void
 198 gen_assign_defval(const char *var, struct value *val)
 199 {
 200     switch(val->type) {
 201     case stringvalue:
 202         fprintf(codefile, "if((%s = strdup(\"%s\")) == NULL)\nreturn ENOMEM;\n", var, val->u.stringvalue);
 203         break;
 204     case integervalue:
 205         fprintf(codefile, "%s = %d;\n", var, val->u.integervalue);
 206         break;
 207     case booleanvalue:
 208         if(val->u.booleanvalue)
 209             fprintf(codefile, "%s = TRUE;\n", var);
 210         else
 211             fprintf(codefile, "%s = FALSE;\n", var);
 212         break;
 213     default:
 214         abort();
 215     }
 216 }
 217
 218 void
 219 gen_compare_defval(const char *var, struct value *val)
 220 {
 221     switch(val->type) {
 222     case stringvalue:
 223         fprintf(codefile, "if(strcmp(%s, \"%s\") != 0)\n", var, val->u.stringvalue);
 224         break;
 225     case integervalue:
 226         fprintf(codefile, "if(%s != %d)\n", var, val->u.integervalue);
 227         break;
 228     case booleanvalue:
 229         if(val->u.booleanvalue)
 230             fprintf(codefile, "if(!%s)\n", var);
 231         else
 232             fprintf(codefile, "if(%s)\n", var);
 233         break;
 234     default:
 235         abort();
 236     }
 237 }
 238
 239 void
 240 generate_header_of_codefile(const char *name)
 241 {
 242     char *filename;
 243
 244     if (codefile != NULL)
 245         abort();
 246
 247     asprintf (&filename, "%s_%s.x", STEM, name);
 248     if (filename == NULL)
 249         errx(1, "malloc");
 250     codefile = fopen (filename, "w");
 251     if (codefile == NULL)
 252         err (1, "fopen %s", filename);
 253     fprintf(logfile, "%s ", filename);
 254     free(filename);
 255     fprintf (codefile,
 256              "/* Generated from %s */\n"
 257              "/* Do not edit */\n\n"
 258              "#include <stdio.h>\n"
 259              "#include <stdlib.h>\n"
 260              "#include <time.h>\n"
 261              "#include <string.h>\n"
 262              "#include <errno.h>\n"
 263              "#include <limits.h>\n"
 264              "#include <krb5-types.h>\n",
 265              orig_filename);
 266
 267     fprintf (codefile,
 268              "#include <%s.h>\n",
 269              headerbase);
 270     fprintf (codefile,
 271              "#include <asn1_err.h>\n"
 272              "#include <der.h>\n"
 273              "#include <parse_units.h>\n\n");
 274
 275 }
 276
 277 void
 278 close_codefile(void)
 279 {
 280     if (codefile == NULL)
 281         abort();
 282
 283     fclose(codefile);
 284     codefile = NULL;
 285 }
 286
 287
 288 void
 289 generate_constant (const Symbol *s)
 290 {
 291     switch(s->value->type) {
 292     case booleanvalue:
 293         break;
 294     case integervalue:
 295         fprintf (headerfile, "enum { %s = %d };\n\n",
 296                  s->gen_name, s->value->u.integervalue);
 297         break;
 298     case nullvalue:
 299         break;
 300     case stringvalue:
 301         break;
 302     case objectidentifiervalue: {
 303         struct objid *o, **list;
 304         unsigned int i, len;
 305
 306         if (!one_code_file)
 307             generate_header_of_codefile(s->gen_name);
 308
 309         len = 0;
 310         for (o = s->value->u.objectidentifiervalue; o != NULL; o = o->next)
 311             len++;
 312         if (len == 0) {
 313             printf("s->gen_name: %s",s->gen_name);
 314             fflush(stdout);
 315             break;
 316         }
 317         list = emalloc(sizeof(*list) * len);
 318
 319         i = 0;
 320         for (o = s->value->u.objectidentifiervalue; o != NULL; o = o->next)
 321             list[i++] = o;
 322
 323         fprintf (headerfile, "/* OBJECT IDENTIFIER %s ::= { ", s->name);
 324         for (i = len ; i > 0; i--) {
 325             o = list[i - 1];
 326             fprintf(headerfile, "%s(%d) ",
 327                     o->label ? o->label : "label-less", o->value);
 328         }
 329
 330         fprintf (headerfile, "} */\n");
 331         fprintf (headerfile, "const heim_oid *oid_%s(void);\n",
 332                  s->gen_name);
 333         fprintf (headerfile,
 334                  "extern const heim_oid asn1_oid_%s;\n\n",
 335                  s->gen_name);
 336
 337
 338         fprintf (codefile, "static unsigned oid_%s_variable_num[%d] =  {",
 339                  s->gen_name, len);
 340         for (i = len ; i > 0; i--) {
 341             fprintf(codefile, "%d%s ", list[i - 1]->value, i > 1 ? "," : "");
 342         }
 343         fprintf(codefile, "};\n");
 344
 345         fprintf (codefile, "const heim_oid asn1_oid_%s = "
 346                  "{ %d, oid_%s_variable_num };\n\n",
 347                  s->gen_name, len, s->gen_name);
 348
 349         fprintf (codefile, "const heim_oid *oid_%s(void)\n"
 350                  "{\n"
 351                  "return &asn1_oid_%s;\n"
 352                  "}\n\n",
 353                  s->gen_name, s->gen_name);
 354
 355         free(list);
 356
 357         if (!one_code_file)
 358             close_codefile();
 359
 360         break;
 361     }
 362     default:
 363         abort();
 364     }
 365 }
 366
 367 static void
 368 space(int level)
 369 {
 370     while(level-- > 0)
 371         fprintf(headerfile, "  ");
 372 }
 373
 374 static const char *
 375 last_member_p(struct member *m)
 376 {
 377     struct member *n = ASN1_TAILQ_NEXT(m, members);
 378     if (n == NULL)
 379         return "";
 380     if (n->ellipsis && ASN1_TAILQ_NEXT(n, members) == NULL)
 381         return "";
 382     return ",";
 383 }
 384
 385 static struct member *
 386 have_ellipsis(Type *t)
 387 {
 388     struct member *m;
 389     ASN1_TAILQ_FOREACH(m, t->members, members) {
 390         if (m->ellipsis)
 391             return m;
 392     }
 393     return NULL;
 394 }
 395
 396 static void
 397 define_asn1 (int level, Type *t)
 398 {
 399     switch (t->type) {
 400     case TType:
 401         fprintf (headerfile, "%s", t->symbol->name);
 402         break;
 403     case TInteger:
 404         if(t->members == NULL) {
 405             fprintf (headerfile, "INTEGER");
 406             if (t->range)
 407                 fprintf (headerfile, " (%d..%d)",
 408                          t->range->min, t->range->max);
 409         } else {
 410             Member *m;
 411             fprintf (headerfile, "INTEGER {\n");
 412             ASN1_TAILQ_FOREACH(m, t->members, members) {
 413                 space (level + 1);
 414                 fprintf(headerfile, "%s(%d)%s\n", m->gen_name, m->val,
 415                         last_member_p(m));
 416             }
 417             space(level);
 418             fprintf (headerfile, "}");
 419         }
 420         break;
 421     case TBoolean:
 422         fprintf (headerfile, "BOOLEAN");
 423         break;
 424     case TOctetString:
 425         fprintf (headerfile, "OCTET STRING");
 426         break;
 427     case TEnumerated :
 428     case TBitString: {
 429         Member *m;
 430
 431         space(level);
 432         if(t->type == TBitString)
 433             fprintf (headerfile, "BIT STRING {\n");
 434         else
 435             fprintf (headerfile, "ENUMERATED {\n");
 436         ASN1_TAILQ_FOREACH(m, t->members, members) {
 437             space(level + 1);
 438             fprintf (headerfile, "%s(%d)%s\n", m->name, m->val,
 439                      last_member_p(m));
 440         }
 441         space(level);
 442         fprintf (headerfile, "}");
 443         break;
 444     }
 445     case TChoice:
 446     case TSet:
 447     case TSequence: {
 448         Member *m;
 449         int max_width = 0;
 450
 451         if(t->type == TChoice)
 452             fprintf(headerfile, "CHOICE {\n");
 453         else if(t->type == TSet)
 454             fprintf(headerfile, "SET {\n");
 455         else
 456             fprintf(headerfile, "SEQUENCE {\n");
 457         ASN1_TAILQ_FOREACH(m, t->members, members) {
 458             if(strlen(m->name) > max_width)
 459                 max_width = strlen(m->name);
 460         }
 461         max_width += 3;
 462         if(max_width < 16) max_width = 16;
 463         ASN1_TAILQ_FOREACH(m, t->members, members) {
 464             int width = max_width;
 465             space(level + 1);
 466             if (m->ellipsis) {
 467                 fprintf (headerfile, "...");
 468             } else {
 469                 width -= fprintf(headerfile, "%s", m->name);
 470                 fprintf(headerfile, "%*s", width, "");
 471                 define_asn1(level + 1, m->type);
 472                 if(m->optional)
 473                     fprintf(headerfile, " OPTIONAL");
 474             }
 475             if(last_member_p(m))
 476                 fprintf (headerfile, ",");
 477             fprintf (headerfile, "\n");
 478         }
 479         space(level);
 480         fprintf (headerfile, "}");
 481         break;
 482     }
 483     case TSequenceOf:
 484         fprintf (headerfile, "SEQUENCE OF ");
 485         define_asn1 (0, t->subtype);
 486         break;
 487     case TSetOf:
 488         fprintf (headerfile, "SET OF ");
 489         define_asn1 (0, t->subtype);
 490         break;
 491     case TGeneralizedTime:
 492         fprintf (headerfile, "GeneralizedTime");
 493         break;
 494     case TGeneralString:
 495         fprintf (headerfile, "GeneralString");
 496         break;
 497     case TTag: {
 498         const char *classnames[] = { "UNIVERSAL ", "APPLICATION ",
 499                                      "" /* CONTEXT */, "PRIVATE " };
 500         if(t->tag.tagclass != ASN1_C_UNIV)
 501             fprintf (headerfile, "[%s%d] ",
 502                      classnames[t->tag.tagclass],
 503                      t->tag.tagvalue);
 504         if(t->tag.tagenv == TE_IMPLICIT)
 505             fprintf (headerfile, "IMPLICIT ");
 506         define_asn1 (level, t->subtype);
 507         break;
 508     }
 509     case TUTCTime:
 510         fprintf (headerfile, "UTCTime");
 511         break;
 512     case TUTF8String:
 513         space(level);
 514         fprintf (headerfile, "UTF8String");
 515         break;
 516     case TPrintableString:
 517         space(level);
 518         fprintf (headerfile, "PrintableString");
 519         break;
 520     case TIA5String:
 521         space(level);
 522         fprintf (headerfile, "IA5String");
 523         break;
 524     case TBMPString:
 525         space(level);
 526         fprintf (headerfile, "BMPString");
 527         break;
 528     case TUniversalString:
 529         space(level);
 530         fprintf (headerfile, "UniversalString");
 531         break;
 532     case TVisibleString:
 533         space(level);
 534         fprintf (headerfile, "VisibleString");
 535         break;
 536     case TOID :
 537         space(level);
 538         fprintf(headerfile, "OBJECT IDENTIFIER");
 539         break;
 540     case TNull:
 541         space(level);
 542         fprintf (headerfile, "NULL");
 543         break;
 544     default:
 545         abort ();
 546     }
 547 }
 548
 549 static void
 550 define_type (int level, const char *name, Type *t, int typedefp, int preservep)
 551 {
 552     switch (t->type) {
 553     case TType:
 554         space(level);
 555         fprintf (headerfile, "%s %s;\n", t->symbol->gen_name, name);
 556         break;
 557     case TInteger:
 558         space(level);
 559         if(t->members) {
 560             Member *m;
 561             fprintf (headerfile, "enum %s {\n", typedefp ? name : "");
 562             ASN1_TAILQ_FOREACH(m, t->members, members) {
 563                 space (level + 1);
 564                 fprintf(headerfile, "%s = %d%s\n", m->gen_name, m->val,
 565                         last_member_p(m));
 566             }
 567             fprintf (headerfile, "} %s;\n", name);
 568         } else if (t->range == NULL) {
 569             fprintf (headerfile, "heim_integer %s;\n", name);
 570         } else if (t->range->min == INT_MIN && t->range->max == INT_MAX) {
 571             fprintf (headerfile, "int %s;\n", name);
 572         } else if (t->range->min == 0 && t->range->max == UINT_MAX) {
 573             fprintf (headerfile, "unsigned int %s;\n", name);
 574         } else if (t->range->min == 0 && t->range->max == INT_MAX) {
 575             fprintf (headerfile, "unsigned int %s;\n", name);
 576         } else
 577             errx(1, "%s: unsupported range %d -> %d",
 578                  name, t->range->min, t->range->max);
 579         break;
 580     case TBoolean:
 581         space(level);
 582         fprintf (headerfile, "int %s;\n", name);
 583         break;
 584     case TOctetString:
 585         space(level);
 586         fprintf (headerfile, "heim_octet_string %s;\n", name);
 587         break;
 588     case TBitString: {
 589         Member *m;
 590         Type i;
 591         struct range range = { 0, INT_MAX };
 592
 593         i.type = TInteger;
 594         i.range = &range;
 595         i.members = NULL;
 596         i.constraint = NULL;
 597
 598         space(level);
 599         if(ASN1_TAILQ_EMPTY(t->members))
 600             fprintf (headerfile, "heim_bit_string %s;\n", name);
 601         else {
 602             fprintf (headerfile, "struct %s {\n", typedefp ? name : "");
 603             ASN1_TAILQ_FOREACH(m, t->members, members) {
 604                 char *n;
 605
 606                 asprintf (&n, "%s:1", m->gen_name);
 607                 if (n == NULL)
 608                     errx(1, "malloc");
 609                 define_type (level + 1, n, &i, FALSE, FALSE);
 610                 free (n);
 611             }
 612             space(level);
 613             fprintf (headerfile, "} %s;\n\n", name);
 614         }
 615         break;
 616     }
 617     case TEnumerated: {
 618         Member *m;
 619
 620         space(level);
 621         fprintf (headerfile, "enum %s {\n", typedefp ? name : "");
 622         ASN1_TAILQ_FOREACH(m, t->members, members) {
 623             space(level + 1);
 624             if (m->ellipsis)
 625                 fprintf (headerfile, "/* ... */\n");
 626             else
 627                 fprintf (headerfile, "%s = %d%s\n", m->gen_name, m->val,
 628                          last_member_p(m));
 629         }
 630         space(level);
 631         fprintf (headerfile, "} %s;\n\n", name);
 632         break;
 633     }
 634     case TSet:
 635     case TSequence: {
 636         Member *m;
 637
 638         space(level);
 639         fprintf (headerfile, "struct %s {\n", typedefp ? name : "");
 640         if (t->type == TSequence && preservep) {
 641             space(level + 1);
 642             fprintf(headerfile, "heim_octet_string _save;\n");
 643         }
 644         ASN1_TAILQ_FOREACH(m, t->members, members) {
 645             if (m->ellipsis) {
 646                 ;
 647             } else if (m->optional) {
 648                 char *n;
 649
 650                 asprintf (&n, "*%s", m->gen_name);
 651                 if (n == NULL)
 652                     errx(1, "malloc");
 653                 define_type (level + 1, n, m->type, FALSE, FALSE);
 654                 free (n);
 655             } else
 656                 define_type (level + 1, m->gen_name, m->type, FALSE, FALSE);
 657         }
 658         space(level);
 659         fprintf (headerfile, "} %s;\n", name);
 660         break;
 661     }
 662     case TSetOf:
 663     case TSequenceOf: {
 664         Type i;
 665         struct range range = { 0, INT_MAX };
 666
 667         i.type = TInteger;
 668         i.range = &range;
 669         i.members = NULL;
 670         i.constraint = NULL;
 671
 672         space(level);
 673         fprintf (headerfile, "struct %s {\n", typedefp ? name : "");
 674         define_type (level + 1, "len", &i, FALSE, FALSE);
 675         define_type (level + 1, "*val", t->subtype, FALSE, FALSE);
 676         space(level);
 677         fprintf (headerfile, "} %s;\n", name);
 678         break;
 679     }
 680     case TGeneralizedTime:
 681         space(level);
 682         fprintf (headerfile, "time_t %s;\n", name);
 683         break;
 684     case TGeneralString:
 685         space(level);
 686         fprintf (headerfile, "heim_general_string %s;\n", name);
 687         break;
 688     case TTag:
 689         define_type (level, name, t->subtype, typedefp, preservep);
 690         break;
 691     case TChoice: {
 692         int first = 1;
 693         Member *m;
 694
 695         space(level);
 696         fprintf (headerfile, "struct %s {\n", typedefp ? name : "");
 697         if (preservep) {
 698             space(level + 1);
 699             fprintf(headerfile, "heim_octet_string _save;\n");
 700         }
 701         space(level + 1);
 702         fprintf (headerfile, "enum {\n");
 703         m = have_ellipsis(t);
 704         if (m) {
 705             space(level + 2);
 706             fprintf (headerfile, "%s = 0,\n", m->label);
 707             first = 0;
 708         }
 709         ASN1_TAILQ_FOREACH(m, t->members, members) {
 710             space(level + 2);
 711             if (m->ellipsis)
 712                 fprintf (headerfile, "/* ... */\n");
 713             else
 714                 fprintf (headerfile, "%s%s%s\n", m->label,
 715                          first ? " = 1" : "",
 716                          last_member_p(m));
 717             first = 0;
 718         }
 719         space(level + 1);
 720         fprintf (headerfile, "} element;\n");
 721         space(level + 1);
 722         fprintf (headerfile, "union {\n");
 723         ASN1_TAILQ_FOREACH(m, t->members, members) {
 724             if (m->ellipsis) {
 725                 space(level + 2);
 726                 fprintf(headerfile, "heim_octet_string asn1_ellipsis;\n");
 727             } else if (m->optional) {
 728                 char *n;
 729
 730                 asprintf (&n, "*%s", m->gen_name);
 731                 if (n == NULL)
 732                     errx(1, "malloc");
 733                 define_type (level + 2, n, m->type, FALSE, FALSE);
 734                 free (n);
 735             } else
 736                 define_type (level + 2, m->gen_name, m->type, FALSE, FALSE);
 737         }
 738         space(level + 1);
 739         fprintf (headerfile, "} u;\n");
 740         space(level);
 741         fprintf (headerfile, "} %s;\n", name);
 742         break;
 743     }
 744     case TUTCTime:
 745         space(level);
 746         fprintf (headerfile, "time_t %s;\n", name);
 747         break;
 748     case TUTF8String:
 749         space(level);
 750         fprintf (headerfile, "heim_utf8_string %s;\n", name);
 751         break;
 752     case TPrintableString:
 753         space(level);
 754         fprintf (headerfile, "heim_printable_string %s;\n", name);
 755         break;
 756     case TIA5String:
 757         space(level);
 758         fprintf (headerfile, "heim_ia5_string %s;\n", name);
 759         break;
 760     case TBMPString:
 761         space(level);
 762         fprintf (headerfile, "heim_bmp_string %s;\n", name);
 763         break;
 764     case TUniversalString:
 765         space(level);
 766         fprintf (headerfile, "heim_universal_string %s;\n", name);
 767         break;
 768     case TVisibleString:
 769         space(level);
 770         fprintf (headerfile, "heim_visible_string %s;\n", name);
 771         break;
 772     case TOID :
 773         space(level);
 774         fprintf (headerfile, "heim_oid %s;\n", name);
 775         break;
 776     case TNull:
 777         space(level);
 778         fprintf (headerfile, "int %s;\n", name);
 779         break;
 780     default:
 781         abort ();
 782     }
 783 }
 784
 785 static void
 786 generate_type_header (const Symbol *s)
 787 {
 788     int preservep = preserve_type(s->name) ? TRUE : FALSE;
 789
 790     fprintf (headerfile, "/*\n");
 791     fprintf (headerfile, "%s ::= ", s->name);
 792     define_asn1 (0, s->type);
 793     fprintf (headerfile, "\n*/\n\n");
 794
 795     fprintf (headerfile, "typedef ");
 796     define_type (0, s->gen_name, s->type, TRUE, preservep);
 797
 798     fprintf (headerfile, "\n");
 799 }
 800
 801
 802 void
 803 generate_type (const Symbol *s)
 804 {
 805     if (!one_code_file)
 806         generate_header_of_codefile(s->gen_name);
 807
 808     generate_type_header (s);
 809     generate_type_encode (s);
 810     generate_type_decode (s);
 811     generate_type_free (s);
 812     generate_type_length (s);
 813     generate_type_copy (s);
 814     generate_type_seq (s);
 815     generate_glue (s->type, s->gen_name);
 816     fprintf(headerfile, "\n\n");
 817
 818     if (!one_code_file) {
 819         fprintf(codefile, "\n\n");
 820         close_codefile();
 821         }
 822 }