2 * Copyright (c) 1997 - 2005 Kungliga Tekniska Högskolan
3 * (Royal Institute of Technology, Stockholm, Sweden).
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
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.
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.
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
38 FILE *headerfile, *codefile, *logfile;
42 static const char *orig_filename;
44 static const char *headerbase = STEM;
55 static struct import *imports = NULL;
58 add_import (const char *module)
60 struct import *tmp = emalloc (sizeof(*tmp));
66 fprintf (headerfile, "#include <%s_asn1.h>\n", module);
76 init_generate (const char *filename, const char *base)
80 orig_filename = filename;
82 headerbase = strdup(base);
83 if (headerbase == NULL)
86 asprintf(&header, "%s.h", headerbase);
89 headerfile = fopen (header, "w");
90 if (headerfile == NULL)
91 err (1, "open %s", header);
93 "/* Generated from %s */\n"
94 "/* Do not edit */\n\n",
98 "#define __%s_h__\n\n", headerbase, headerbase);
100 "#include <stddef.h>\n"
101 "#include <time.h>\n\n");
103 "#ifndef __asn1_common_definitions__\n"
104 "#define __asn1_common_definitions__\n\n");
106 "typedef struct heim_integer {\n"
110 "} heim_integer;\n\n");
112 "typedef struct heim_octet_string {\n"
115 "} heim_octet_string;\n\n");
117 "typedef char *heim_general_string;\n\n"
120 "typedef char *heim_utf8_string;\n\n"
123 "typedef char *heim_printable_string;\n\n"
126 "typedef char *heim_ia5_string;\n\n"
129 "typedef struct heim_bmp_string {\n"
132 "} heim_bmp_string;\n\n");
134 "typedef struct heim_universal_string {\n"
137 "} heim_universal_string;\n\n");
139 "typedef char *heim_visible_string;\n\n"
142 "typedef struct heim_oid {\n"
144 " unsigned *components;\n"
147 "typedef struct heim_bit_string {\n"
150 "} heim_bit_string;\n\n");
152 "typedef struct heim_octet_string heim_any;\n"
153 "typedef struct heim_octet_string heim_any_set;\n\n");
154 fputs("#define ASN1_MALLOC_ENCODE(T, B, BL, S, L, R) \\\n"
156 " (BL) = length_##T((S)); \\\n"
157 " (B) = malloc((BL)); \\\n"
158 " if((B) == NULL) { \\\n"
159 " (R) = ENOMEM; \\\n"
161 " (R) = encode_##T(((unsigned char*)(B)) + (BL) - 1, (BL), \\\n"
163 " if((R) != 0) { \\\n"
170 fprintf (headerfile, "struct units;\n\n");
171 fprintf (headerfile, "#endif\n\n");
172 asprintf(&fn, "%s_files", base);
175 logfile = fopen(fn, "w");
177 err (1, "open %s", fn);
181 close_generate (void)
183 fprintf (headerfile, "#endif /* __%s_h__ */\n", headerbase);
186 fprintf (logfile, "\n");
191 gen_assign_defval(const char *var, struct value *val)
195 fprintf(codefile, "if((%s = strdup(\"%s\")) == NULL)\nreturn ENOMEM;\n", var, val->u.stringvalue);
198 fprintf(codefile, "%s = %d;\n", var, val->u.integervalue);
201 if(val->u.booleanvalue)
202 fprintf(codefile, "%s = TRUE;\n", var);
204 fprintf(codefile, "%s = FALSE;\n", var);
212 gen_compare_defval(const char *var, struct value *val)
216 fprintf(codefile, "if(strcmp(%s, \"%s\") != 0)\n", var, val->u.stringvalue);
219 fprintf(codefile, "if(%s != %d)\n", var, val->u.integervalue);
222 if(val->u.booleanvalue)
223 fprintf(codefile, "if(!%s)\n", var);
225 fprintf(codefile, "if(%s)\n", var);
233 generate_header_of_codefile(const char *name)
237 if (codefile != NULL)
240 asprintf (&filename, "%s_%s.x", STEM, name);
241 if (filename == NULL)
243 codefile = fopen (filename, "w");
244 if (codefile == NULL)
245 err (1, "fopen %s", filename);
246 fprintf(logfile, "%s ", filename);
249 "/* Generated from %s */\n"
250 "/* Do not edit */\n\n"
251 "#include <stdio.h>\n"
252 "#include <stdlib.h>\n"
253 "#include <time.h>\n"
254 "#include <string.h>\n"
255 "#include <errno.h>\n"
256 "#include <limits.h>\n"
257 "#include <krb5-types.h>\n",
264 "#include <asn1_err.h>\n"
266 "#include <parse_units.h>\n\n");
273 if (codefile == NULL)
282 generate_constant (const Symbol *s)
284 switch(s->value->type) {
288 fprintf (headerfile, "enum { %s = %d };\n\n",
289 s->gen_name, s->value->u.integervalue);
295 case objectidentifiervalue: {
296 struct objid *o, **list;
299 generate_header_of_codefile(s->gen_name);
302 for (o = s->value->u.objectidentifiervalue; o != NULL; o = o->next)
305 printf("s->gen_name: %s",s->gen_name);
309 list = emalloc(sizeof(*list) * len);
312 for (o = s->value->u.objectidentifiervalue; o != NULL; o = o->next)
315 fprintf (headerfile, "/* OBJECT IDENTIFIER %s ::= { ", s->name);
316 for (i = len ; i > 0; i--) {
318 fprintf(headerfile, "%s(%d) ",
319 o->label ? o->label : "label-less", o->value);
322 fprintf (headerfile, "} */\n");
323 fprintf (headerfile, "const heim_oid *oid_%s(void);\n\n",
326 fprintf (codefile, "static unsigned oid_%s_variable_num[%d] = {",
328 for (i = len ; i > 0; i--) {
329 fprintf(codefile, "%d%s ", list[i - 1]->value, i > 1 ? "," : "");
331 fprintf(codefile, "};\n");
333 fprintf (codefile, "static const heim_oid oid_%s_variable = "
334 "{ %d, oid_%s_variable_num };\n\n",
335 s->gen_name, len, s->gen_name);
337 fprintf (codefile, "const heim_oid *oid_%s(void)\n"
339 "return &oid_%s_variable;\n"
341 s->gen_name, s->gen_name);
356 fprintf(headerfile, " ");
360 last_member_p(struct member *m)
362 struct member *n = ASN1_TAILQ_NEXT(m, members);
365 if (n->ellipsis && ASN1_TAILQ_NEXT(n, members) == NULL)
370 static struct member *
371 have_ellipsis(Type *t)
374 ASN1_TAILQ_FOREACH(m, t->members, members) {
382 define_asn1 (int level, Type *t)
386 fprintf (headerfile, "%s", t->symbol->name);
389 if(t->members == NULL) {
390 fprintf (headerfile, "INTEGER");
392 fprintf (headerfile, " (%d..%d)",
393 t->range->min, t->range->max);
396 fprintf (headerfile, "INTEGER {\n");
397 ASN1_TAILQ_FOREACH(m, t->members, members) {
399 fprintf(headerfile, "%s(%d)%s\n", m->gen_name, m->val,
403 fprintf (headerfile, "}");
407 fprintf (headerfile, "BOOLEAN");
410 fprintf (headerfile, "OCTET STRING");
417 if(t->type == TBitString)
418 fprintf (headerfile, "BIT STRING {\n");
420 fprintf (headerfile, "ENUMERATED {\n");
421 ASN1_TAILQ_FOREACH(m, t->members, members) {
423 fprintf (headerfile, "%s(%d)%s\n", m->name, m->val,
427 fprintf (headerfile, "}");
436 if(t->type == TChoice)
437 fprintf(headerfile, "CHOICE {\n");
438 else if(t->type == TSet)
439 fprintf(headerfile, "SET {\n");
441 fprintf(headerfile, "SEQUENCE {\n");
442 ASN1_TAILQ_FOREACH(m, t->members, members) {
443 if(strlen(m->name) > max_width)
444 max_width = strlen(m->name);
447 if(max_width < 16) max_width = 16;
448 ASN1_TAILQ_FOREACH(m, t->members, members) {
449 int width = max_width;
452 fprintf (headerfile, "...");
454 width -= fprintf(headerfile, "%s", m->name);
455 fprintf(headerfile, "%*s", width, "");
456 define_asn1(level + 1, m->type);
458 fprintf(headerfile, " OPTIONAL");
461 fprintf (headerfile, ",");
462 fprintf (headerfile, "\n");
465 fprintf (headerfile, "}");
469 fprintf (headerfile, "SEQUENCE OF ");
470 define_asn1 (0, t->subtype);
473 fprintf (headerfile, "SET OF ");
474 define_asn1 (0, t->subtype);
476 case TGeneralizedTime:
477 fprintf (headerfile, "GeneralizedTime");
480 fprintf (headerfile, "GeneralString");
483 const char *classnames[] = { "UNIVERSAL ", "APPLICATION ",
484 "" /* CONTEXT */, "PRIVATE " };
485 if(t->tag.tagclass != ASN1_C_UNIV)
486 fprintf (headerfile, "[%s%d] ",
487 classnames[t->tag.tagclass],
489 if(t->tag.tagenv == TE_IMPLICIT)
490 fprintf (headerfile, "IMPLICIT ");
491 define_asn1 (level, t->subtype);
495 fprintf (headerfile, "UTCTime");
499 fprintf (headerfile, "UTF8String");
501 case TPrintableString:
503 fprintf (headerfile, "PrintableString");
507 fprintf (headerfile, "IA5String");
511 fprintf (headerfile, "BMPString");
513 case TUniversalString:
515 fprintf (headerfile, "UniversalString");
519 fprintf (headerfile, "VisibleString");
523 fprintf(headerfile, "OBJECT IDENTIFIER");
527 fprintf (headerfile, "NULL");
535 define_type (int level, const char *name, Type *t, int typedefp, int preservep)
540 fprintf (headerfile, "%s %s;\n", t->symbol->gen_name, name);
546 fprintf (headerfile, "enum %s {\n", typedefp ? name : "");
547 ASN1_TAILQ_FOREACH(m, t->members, members) {
549 fprintf(headerfile, "%s = %d%s\n", m->gen_name, m->val,
552 fprintf (headerfile, "} %s;\n", name);
553 } else if (t->range == NULL) {
554 fprintf (headerfile, "heim_integer %s;\n", name);
555 } else if (t->range->min == INT_MIN && t->range->max == INT_MAX) {
556 fprintf (headerfile, "int %s;\n", name);
557 } else if (t->range->min == 0 && t->range->max == UINT_MAX) {
558 fprintf (headerfile, "unsigned int %s;\n", name);
559 } else if (t->range->min == 0 && t->range->max == INT_MAX) {
560 fprintf (headerfile, "unsigned int %s;\n", name);
562 errx(1, "%s: unsupported range %d -> %d",
563 name, t->range->min, t->range->max);
567 fprintf (headerfile, "int %s;\n", name);
571 fprintf (headerfile, "heim_octet_string %s;\n", name);
576 struct range range = { 0, INT_MAX };
584 if(ASN1_TAILQ_EMPTY(t->members))
585 fprintf (headerfile, "heim_bit_string %s;\n", name);
587 fprintf (headerfile, "struct %s {\n", typedefp ? name : "");
588 ASN1_TAILQ_FOREACH(m, t->members, members) {
591 asprintf (&n, "%s:1", m->gen_name);
594 define_type (level + 1, n, &i, FALSE, FALSE);
598 fprintf (headerfile, "} %s;\n\n", name);
606 fprintf (headerfile, "enum %s {\n", typedefp ? name : "");
607 ASN1_TAILQ_FOREACH(m, t->members, members) {
610 fprintf (headerfile, "/* ... */\n");
612 fprintf (headerfile, "%s = %d%s\n", m->gen_name, m->val,
616 fprintf (headerfile, "} %s;\n\n", name);
624 fprintf (headerfile, "struct %s {\n", typedefp ? name : "");
625 if (t->type == TSequence && preservep) {
627 fprintf(headerfile, "heim_octet_string _save;\n");
629 ASN1_TAILQ_FOREACH(m, t->members, members) {
632 } else if (m->optional) {
635 asprintf (&n, "*%s", m->gen_name);
638 define_type (level + 1, n, m->type, FALSE, FALSE);
641 define_type (level + 1, m->gen_name, m->type, FALSE, FALSE);
644 fprintf (headerfile, "} %s;\n", name);
650 struct range range = { 0, INT_MAX };
658 fprintf (headerfile, "struct %s {\n", typedefp ? name : "");
659 define_type (level + 1, "len", &i, FALSE, FALSE);
660 define_type (level + 1, "*val", t->subtype, FALSE, FALSE);
662 fprintf (headerfile, "} %s;\n", name);
665 case TGeneralizedTime:
667 fprintf (headerfile, "time_t %s;\n", name);
671 fprintf (headerfile, "heim_general_string %s;\n", name);
674 define_type (level, name, t->subtype, typedefp, preservep);
681 fprintf (headerfile, "struct %s {\n", typedefp ? name : "");
684 fprintf(headerfile, "heim_octet_string _save;\n");
687 fprintf (headerfile, "enum {\n");
688 m = have_ellipsis(t);
691 fprintf (headerfile, "%s = 0,\n", m->label);
694 ASN1_TAILQ_FOREACH(m, t->members, members) {
697 fprintf (headerfile, "/* ... */\n");
699 fprintf (headerfile, "%s%s%s\n", m->label,
705 fprintf (headerfile, "} element;\n");
707 fprintf (headerfile, "union {\n");
708 ASN1_TAILQ_FOREACH(m, t->members, members) {
711 fprintf(headerfile, "heim_octet_string asn1_ellipsis;\n");
712 } else if (m->optional) {
715 asprintf (&n, "*%s", m->gen_name);
718 define_type (level + 2, n, m->type, FALSE, FALSE);
721 define_type (level + 2, m->gen_name, m->type, FALSE, FALSE);
724 fprintf (headerfile, "} u;\n");
726 fprintf (headerfile, "} %s;\n", name);
731 fprintf (headerfile, "time_t %s;\n", name);
735 fprintf (headerfile, "heim_utf8_string %s;\n", name);
737 case TPrintableString:
739 fprintf (headerfile, "heim_printable_string %s;\n", name);
743 fprintf (headerfile, "heim_ia5_string %s;\n", name);
747 fprintf (headerfile, "heim_bmp_string %s;\n", name);
749 case TUniversalString:
751 fprintf (headerfile, "heim_universal_string %s;\n", name);
755 fprintf (headerfile, "heim_visible_string %s;\n", name);
759 fprintf (headerfile, "heim_oid %s;\n", name);
763 fprintf (headerfile, "int %s;\n", name);
771 generate_type_header (const Symbol *s)
773 int preservep = preserve_type(s->name) ? TRUE : FALSE;
775 fprintf (headerfile, "/*\n");
776 fprintf (headerfile, "%s ::= ", s->name);
777 define_asn1 (0, s->type);
778 fprintf (headerfile, "\n*/\n\n");
780 fprintf (headerfile, "typedef ");
781 define_type (0, s->gen_name, s->type, TRUE, preservep);
783 fprintf (headerfile, "\n");
788 generate_type (const Symbol *s)
790 generate_header_of_codefile(s->gen_name);
792 generate_type_header (s);
793 generate_type_encode (s);
794 generate_type_decode (s);
795 generate_type_free (s);
796 generate_type_length (s);
797 generate_type_copy (s);
798 generate_type_seq (s);
799 generate_glue (s->type, s->gen_name);
800 fprintf(headerfile, "\n\n");