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
36 RCSID("$Id: gen.c 22429 2008-01-13 10:25:50Z lha $");
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)
304 list = emalloc(sizeof(*list) * len);
307 for (o = s->value->u.objectidentifiervalue; o != NULL; o = o->next)
310 fprintf (headerfile, "/* OBJECT IDENTIFIER %s ::= { ", s->name);
311 for (i = len - 1 ; i >= 0; i--) {
313 fprintf(headerfile, "%s(%d) ",
314 o->label ? o->label : "label-less", o->value);
317 fprintf (headerfile, "} */\n");
318 fprintf (headerfile, "const heim_oid *oid_%s(void);\n\n",
321 fprintf (codefile, "static unsigned oid_%s_variable_num[%d] = {",
323 for (i = len - 1 ; i >= 0; i--) {
324 fprintf(codefile, "%d%s ", list[i]->value, i > 0 ? "," : "");
326 fprintf(codefile, "};\n");
328 fprintf (codefile, "static const heim_oid oid_%s_variable = "
329 "{ %d, oid_%s_variable_num };\n\n",
330 s->gen_name, len, s->gen_name);
332 fprintf (codefile, "const heim_oid *oid_%s(void)\n"
334 "return &oid_%s_variable;\n"
336 s->gen_name, s->gen_name);
351 fprintf(headerfile, " ");
355 last_member_p(struct member *m)
357 struct member *n = ASN1_TAILQ_NEXT(m, members);
360 if (n->ellipsis && ASN1_TAILQ_NEXT(n, members) == NULL)
365 static struct member *
366 have_ellipsis(Type *t)
369 ASN1_TAILQ_FOREACH(m, t->members, members) {
377 define_asn1 (int level, Type *t)
381 fprintf (headerfile, "%s", t->symbol->name);
384 if(t->members == NULL) {
385 fprintf (headerfile, "INTEGER");
387 fprintf (headerfile, " (%d..%d)",
388 t->range->min, t->range->max);
391 fprintf (headerfile, "INTEGER {\n");
392 ASN1_TAILQ_FOREACH(m, t->members, members) {
394 fprintf(headerfile, "%s(%d)%s\n", m->gen_name, m->val,
398 fprintf (headerfile, "}");
402 fprintf (headerfile, "BOOLEAN");
405 fprintf (headerfile, "OCTET STRING");
412 if(t->type == TBitString)
413 fprintf (headerfile, "BIT STRING {\n");
415 fprintf (headerfile, "ENUMERATED {\n");
416 ASN1_TAILQ_FOREACH(m, t->members, members) {
418 fprintf (headerfile, "%s(%d)%s\n", m->name, m->val,
422 fprintf (headerfile, "}");
431 if(t->type == TChoice)
432 fprintf(headerfile, "CHOICE {\n");
433 else if(t->type == TSet)
434 fprintf(headerfile, "SET {\n");
436 fprintf(headerfile, "SEQUENCE {\n");
437 ASN1_TAILQ_FOREACH(m, t->members, members) {
438 if(strlen(m->name) > max_width)
439 max_width = strlen(m->name);
442 if(max_width < 16) max_width = 16;
443 ASN1_TAILQ_FOREACH(m, t->members, members) {
444 int width = max_width;
447 fprintf (headerfile, "...");
449 width -= fprintf(headerfile, "%s", m->name);
450 fprintf(headerfile, "%*s", width, "");
451 define_asn1(level + 1, m->type);
453 fprintf(headerfile, " OPTIONAL");
456 fprintf (headerfile, ",");
457 fprintf (headerfile, "\n");
460 fprintf (headerfile, "}");
464 fprintf (headerfile, "SEQUENCE OF ");
465 define_asn1 (0, t->subtype);
468 fprintf (headerfile, "SET OF ");
469 define_asn1 (0, t->subtype);
471 case TGeneralizedTime:
472 fprintf (headerfile, "GeneralizedTime");
475 fprintf (headerfile, "GeneralString");
478 const char *classnames[] = { "UNIVERSAL ", "APPLICATION ",
479 "" /* CONTEXT */, "PRIVATE " };
480 if(t->tag.tagclass != ASN1_C_UNIV)
481 fprintf (headerfile, "[%s%d] ",
482 classnames[t->tag.tagclass],
484 if(t->tag.tagenv == TE_IMPLICIT)
485 fprintf (headerfile, "IMPLICIT ");
486 define_asn1 (level, t->subtype);
490 fprintf (headerfile, "UTCTime");
494 fprintf (headerfile, "UTF8String");
496 case TPrintableString:
498 fprintf (headerfile, "PrintableString");
502 fprintf (headerfile, "IA5String");
506 fprintf (headerfile, "BMPString");
508 case TUniversalString:
510 fprintf (headerfile, "UniversalString");
514 fprintf (headerfile, "VisibleString");
518 fprintf(headerfile, "OBJECT IDENTIFIER");
522 fprintf (headerfile, "NULL");
530 define_type (int level, const char *name, Type *t, int typedefp, int preservep)
535 fprintf (headerfile, "%s %s;\n", t->symbol->gen_name, name);
541 fprintf (headerfile, "enum %s {\n", typedefp ? name : "");
542 ASN1_TAILQ_FOREACH(m, t->members, members) {
544 fprintf(headerfile, "%s = %d%s\n", m->gen_name, m->val,
547 fprintf (headerfile, "} %s;\n", name);
548 } else if (t->range == NULL) {
549 fprintf (headerfile, "heim_integer %s;\n", name);
550 } else if (t->range->min == INT_MIN && t->range->max == INT_MAX) {
551 fprintf (headerfile, "int %s;\n", name);
552 } else if (t->range->min == 0 && t->range->max == UINT_MAX) {
553 fprintf (headerfile, "unsigned int %s;\n", name);
554 } else if (t->range->min == 0 && t->range->max == INT_MAX) {
555 fprintf (headerfile, "unsigned int %s;\n", name);
557 errx(1, "%s: unsupported range %d -> %d",
558 name, t->range->min, t->range->max);
562 fprintf (headerfile, "int %s;\n", name);
566 fprintf (headerfile, "heim_octet_string %s;\n", name);
571 struct range range = { 0, INT_MAX };
579 if(ASN1_TAILQ_EMPTY(t->members))
580 fprintf (headerfile, "heim_bit_string %s;\n", name);
582 fprintf (headerfile, "struct %s {\n", typedefp ? name : "");
583 ASN1_TAILQ_FOREACH(m, t->members, members) {
586 asprintf (&n, "%s:1", m->gen_name);
589 define_type (level + 1, n, &i, FALSE, FALSE);
593 fprintf (headerfile, "} %s;\n\n", name);
601 fprintf (headerfile, "enum %s {\n", typedefp ? name : "");
602 ASN1_TAILQ_FOREACH(m, t->members, members) {
605 fprintf (headerfile, "/* ... */\n");
607 fprintf (headerfile, "%s = %d%s\n", m->gen_name, m->val,
611 fprintf (headerfile, "} %s;\n\n", name);
619 fprintf (headerfile, "struct %s {\n", typedefp ? name : "");
620 if (t->type == TSequence && preservep) {
622 fprintf(headerfile, "heim_octet_string _save;\n");
624 ASN1_TAILQ_FOREACH(m, t->members, members) {
627 } else if (m->optional) {
630 asprintf (&n, "*%s", m->gen_name);
633 define_type (level + 1, n, m->type, FALSE, FALSE);
636 define_type (level + 1, m->gen_name, m->type, FALSE, FALSE);
639 fprintf (headerfile, "} %s;\n", name);
645 struct range range = { 0, INT_MAX };
653 fprintf (headerfile, "struct %s {\n", typedefp ? name : "");
654 define_type (level + 1, "len", &i, FALSE, FALSE);
655 define_type (level + 1, "*val", t->subtype, FALSE, FALSE);
657 fprintf (headerfile, "} %s;\n", name);
660 case TGeneralizedTime:
662 fprintf (headerfile, "time_t %s;\n", name);
666 fprintf (headerfile, "heim_general_string %s;\n", name);
669 define_type (level, name, t->subtype, typedefp, preservep);
676 fprintf (headerfile, "struct %s {\n", typedefp ? name : "");
679 fprintf(headerfile, "heim_octet_string _save;\n");
682 fprintf (headerfile, "enum {\n");
683 m = have_ellipsis(t);
686 fprintf (headerfile, "%s = 0,\n", m->label);
689 ASN1_TAILQ_FOREACH(m, t->members, members) {
692 fprintf (headerfile, "/* ... */\n");
694 fprintf (headerfile, "%s%s%s\n", m->label,
700 fprintf (headerfile, "} element;\n");
702 fprintf (headerfile, "union {\n");
703 ASN1_TAILQ_FOREACH(m, t->members, members) {
706 fprintf(headerfile, "heim_octet_string asn1_ellipsis;\n");
707 } else if (m->optional) {
710 asprintf (&n, "*%s", m->gen_name);
713 define_type (level + 2, n, m->type, FALSE, FALSE);
716 define_type (level + 2, m->gen_name, m->type, FALSE, FALSE);
719 fprintf (headerfile, "} u;\n");
721 fprintf (headerfile, "} %s;\n", name);
726 fprintf (headerfile, "time_t %s;\n", name);
730 fprintf (headerfile, "heim_utf8_string %s;\n", name);
732 case TPrintableString:
734 fprintf (headerfile, "heim_printable_string %s;\n", name);
738 fprintf (headerfile, "heim_ia5_string %s;\n", name);
742 fprintf (headerfile, "heim_bmp_string %s;\n", name);
744 case TUniversalString:
746 fprintf (headerfile, "heim_universal_string %s;\n", name);
750 fprintf (headerfile, "heim_visible_string %s;\n", name);
754 fprintf (headerfile, "heim_oid %s;\n", name);
758 fprintf (headerfile, "int %s;\n", name);
766 generate_type_header (const Symbol *s)
768 int preservep = preserve_type(s->name) ? TRUE : FALSE;
770 fprintf (headerfile, "/*\n");
771 fprintf (headerfile, "%s ::= ", s->name);
772 define_asn1 (0, s->type);
773 fprintf (headerfile, "\n*/\n\n");
775 fprintf (headerfile, "typedef ");
776 define_type (0, s->gen_name, s->type, TRUE, preservep);
778 fprintf (headerfile, "\n");
783 generate_type (const Symbol *s)
785 generate_header_of_codefile(s->gen_name);
787 generate_type_header (s);
788 generate_type_encode (s);
789 generate_type_decode (s);
790 generate_type_free (s);
791 generate_type_length (s);
792 generate_type_copy (s);
793 generate_type_seq (s);
794 generate_glue (s->type, s->gen_name);
795 fprintf(headerfile, "\n\n");