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,v 1.62 2005/07/19 18:46:50 lha Exp $");
38 FILE *headerfile, *codefile, *logfile;
42 static const char *orig_filename;
44 static char *headerbase = STEM;
55 static struct import *imports = NULL;
58 add_import (const char *module)
60 struct import *tmp = emalloc (sizeof(*tmp));
74 init_generate (const char *filename, const char *base)
78 orig_filename = filename;
80 asprintf(&headerbase, "%s", base);
81 if (headerbase == NULL)
84 asprintf(&header, "%s.h", headerbase);
87 headerfile = fopen (header, "w");
88 if (headerfile == NULL)
89 err (1, "open %s", header);
91 "/* Generated from %s */\n"
92 "/* Do not edit */\n\n",
96 "#define __%s_h__\n\n", headerbase, headerbase);
98 "#include <stddef.h>\n"
99 "#include <time.h>\n\n");
101 fprintf (headerfile, "time_t timegm (struct tm*);\n\n");
104 "#ifndef __asn1_common_definitions__\n"
105 "#define __asn1_common_definitions__\n\n");
107 "typedef struct heim_integer {\n"
111 "} heim_integer;\n\n");
113 "typedef struct heim_octet_string {\n"
116 "} heim_octet_string;\n\n");
118 "typedef char *heim_general_string;\n\n"
121 "typedef char *heim_utf8_string;\n\n"
124 "typedef char *heim_printable_string;\n\n"
127 "typedef char *heim_ia5_string;\n\n"
130 "typedef struct heim_bmp_string {\n"
133 "} heim_bmp_string;\n\n");
135 "typedef struct heim_universal_string {\n"
138 "} heim_universal_string;\n\n");
140 "typedef struct heim_oid {\n"
142 " unsigned *components;\n"
145 "typedef struct heim_bit_string {\n"
148 "} heim_bit_string;\n\n");
149 fputs("#define ASN1_MALLOC_ENCODE(T, B, BL, S, L, R) \\\n"
151 " (BL) = length_##T((S)); \\\n"
152 " (B) = malloc((BL)); \\\n"
153 " if((B) == NULL) { \\\n"
154 " (R) = ENOMEM; \\\n"
156 " (R) = encode_##T(((unsigned char*)(B)) + (BL) - 1, (BL), \\\n"
158 " if((R) != 0) { \\\n"
165 fprintf (headerfile, "#endif\n\n");
166 asprintf(&fn, "%s_files", base);
169 logfile = fopen(fn, "w");
171 err (1, "open %s", fn);
175 close_generate (void)
177 fprintf (headerfile, "#endif /* __%s_h__ */\n", headerbase);
180 fprintf (logfile, "\n");
185 gen_assign_defval(const char *var, struct value *val)
189 fprintf(codefile, "if((%s = strdup(\"%s\")) == NULL)\nreturn ENOMEM;\n", var, val->u.stringvalue);
192 fprintf(codefile, "%s = %d;\n", var, val->u.integervalue);
195 if(val->u.booleanvalue)
196 fprintf(codefile, "%s = TRUE;\n", var);
198 fprintf(codefile, "%s = FALSE;\n", var);
206 gen_compare_defval(const char *var, struct value *val)
210 fprintf(codefile, "if(strcmp(%s, \"%s\") != 0)\n", var, val->u.stringvalue);
213 fprintf(codefile, "if(%s != %d)\n", var, val->u.integervalue);
216 if(val->u.booleanvalue)
217 fprintf(codefile, "if(!%s)\n", var);
219 fprintf(codefile, "if(%s)\n", var);
227 generate_header_of_codefile(const char *name)
232 if (codefile != NULL)
235 asprintf (&filename, "%s_%s.x", STEM, name);
236 if (filename == NULL)
238 codefile = fopen (filename, "w");
239 if (codefile == NULL)
240 err (1, "fopen %s", filename);
241 fprintf(logfile, "%s ", filename);
244 "/* Generated from %s */\n"
245 "/* Do not edit */\n\n"
246 "#include <stdio.h>\n"
247 "#include <stdlib.h>\n"
248 "#include <time.h>\n"
249 "#include <string.h>\n"
250 "#include <errno.h>\n"
251 "#include <krb5-types.h>\n",
254 for (i = imports; i != NULL; i = i->next)
256 "#include <%s_asn1.h>\n",
262 "#include <asn1_err.h>\n"
264 "#include <parse_units.h>\n\n");
271 if (codefile == NULL)
280 generate_constant (const Symbol *s)
282 switch(s->value->type) {
286 fprintf (headerfile, "enum { %s = %d };\n\n",
287 s->gen_name, s->value->u.integervalue);
293 case objectidentifiervalue: {
294 struct objid *o, **list;
297 generate_header_of_codefile(s->gen_name);
300 for (o = s->value->u.objectidentifiervalue; o != NULL; o = o->next)
302 list = emalloc(sizeof(*list) * len);
305 for (o = s->value->u.objectidentifiervalue; o != NULL; o = o->next)
308 fprintf (headerfile, "/* OBJECT IDENTIFIER %s ::= { ", s->name);
309 for (i = len - 1 ; i >= 0; i--) {
311 fprintf(headerfile, "%s(%d) ",
312 o->label ? o->label : "label-less", o->value);
315 fprintf (headerfile, "} */\n");
316 fprintf (headerfile, "const heim_oid *oid_%s(void);\n\n",
319 fprintf (codefile, "static unsigned oid_%s_variable_num[%d] = {",
321 for (i = len - 1 ; i >= 0; i--) {
322 fprintf(codefile, "%d%s ", list[i]->value, i > 0 ? "," : "");
324 fprintf(codefile, "};\n");
326 fprintf (codefile, "static const heim_oid oid_%s_variable = "
327 "{ %d, oid_%s_variable_num };\n\n",
328 s->gen_name, len, s->gen_name);
330 fprintf (codefile, "const heim_oid *oid_%s(void)\n"
332 "return &oid_%s_variable;\n"
334 s->gen_name, s->gen_name);
349 fprintf(headerfile, " ");
353 last_member_p(struct member *m)
355 struct member *n = ASN1_TAILQ_NEXT(m, members);
358 if (n->ellipsis && ASN1_TAILQ_NEXT(n, members) == NULL)
363 static struct member *
364 have_ellipsis(Type *t)
367 ASN1_TAILQ_FOREACH(m, t->members, members) {
375 define_asn1 (int level, Type *t)
379 fprintf (headerfile, "%s", t->symbol->name);
382 if(t->members == NULL) {
383 fprintf (headerfile, "INTEGER");
385 fprintf (headerfile, " (%d..%d)",
386 t->range->min, t->range->max);
389 fprintf (headerfile, "INTEGER {\n");
390 ASN1_TAILQ_FOREACH(m, t->members, members) {
392 fprintf(headerfile, "%s(%d)%s\n", m->gen_name, m->val,
396 fprintf (headerfile, "}");
400 fprintf (headerfile, "BOOLEAN");
403 fprintf (headerfile, "OCTET STRING");
410 if(t->type == TBitString)
411 fprintf (headerfile, "BIT STRING {\n");
413 fprintf (headerfile, "ENUMERATED {\n");
414 ASN1_TAILQ_FOREACH(m, t->members, members) {
416 fprintf (headerfile, "%s(%d)%s\n", m->name, m->val,
420 fprintf (headerfile, "}");
429 if(t->type == TChoice)
430 fprintf(headerfile, "CHOICE {\n");
431 else if(t->type == TSet)
432 fprintf(headerfile, "SET {\n");
434 fprintf(headerfile, "SEQUENCE {\n");
435 ASN1_TAILQ_FOREACH(m, t->members, members) {
436 if(strlen(m->name) > max_width)
437 max_width = strlen(m->name);
440 if(max_width < 16) max_width = 16;
441 ASN1_TAILQ_FOREACH(m, t->members, members) {
442 int width = max_width;
445 fprintf (headerfile, "...");
447 width -= fprintf(headerfile, "%s", m->name);
448 fprintf(headerfile, "%*s", width, "");
449 define_asn1(level + 1, m->type);
451 fprintf(headerfile, " OPTIONAL");
454 fprintf (headerfile, ",");
455 fprintf (headerfile, "\n");
458 fprintf (headerfile, "}");
462 fprintf (headerfile, "SEQUENCE OF ");
463 define_asn1 (0, t->subtype);
466 fprintf (headerfile, "SET OF ");
467 define_asn1 (0, t->subtype);
469 case TGeneralizedTime:
470 fprintf (headerfile, "GeneralizedTime");
473 fprintf (headerfile, "GeneralString");
476 const char *classnames[] = { "UNIVERSAL ", "APPLICATION ",
477 "" /* CONTEXT */, "PRIVATE " };
478 if(t->tag.tagclass != ASN1_C_UNIV)
479 fprintf (headerfile, "[%s%d] ",
480 classnames[t->tag.tagclass],
482 if(t->tag.tagenv == TE_IMPLICIT)
483 fprintf (headerfile, "IMPLICIT ");
484 define_asn1 (level, t->subtype);
488 fprintf (headerfile, "UTCTime");
492 fprintf (headerfile, "UTF8String");
494 case TPrintableString:
496 fprintf (headerfile, "PrintableString");
500 fprintf (headerfile, "IA5String");
504 fprintf (headerfile, "BMPString");
506 case TUniversalString:
508 fprintf (headerfile, "UniversalString");
512 fprintf(headerfile, "OBJECT IDENTIFIER");
516 fprintf (headerfile, "NULL");
524 define_type (int level, char *name, Type *t, int typedefp, int preservep)
529 fprintf (headerfile, "%s %s;\n", t->symbol->gen_name, name);
535 fprintf (headerfile, "enum %s {\n", typedefp ? name : "");
536 ASN1_TAILQ_FOREACH(m, t->members, members) {
538 fprintf(headerfile, "%s = %d%s\n", m->gen_name, m->val,
541 fprintf (headerfile, "} %s;\n", name);
542 } else if (t->range == NULL) {
543 fprintf (headerfile, "heim_integer %s;\n", name);
544 } else if (t->range->min == INT_MIN && t->range->max == INT_MAX) {
545 fprintf (headerfile, "int %s;\n", name);
546 } else if (t->range->min == 0 && t->range->max == UINT_MAX) {
547 fprintf (headerfile, "unsigned int %s;\n", name);
548 } else if (t->range->min == 0 && t->range->max == INT_MAX) {
549 fprintf (headerfile, "unsigned int %s;\n", name);
551 errx(1, "%s: unsupported range %d -> %d",
552 name, t->range->min, t->range->max);
556 fprintf (headerfile, "int %s;\n", name);
560 fprintf (headerfile, "heim_octet_string %s;\n", name);
565 struct range range = { 0, INT_MAX };
572 if(ASN1_TAILQ_EMPTY(t->members))
573 fprintf (headerfile, "heim_bit_string %s;\n", name);
575 fprintf (headerfile, "struct %s {\n", typedefp ? name : "");
576 ASN1_TAILQ_FOREACH(m, t->members, members) {
579 asprintf (&n, "%s:1", m->gen_name);
582 define_type (level + 1, n, &i, FALSE, FALSE);
586 fprintf (headerfile, "} %s;\n\n", name);
594 fprintf (headerfile, "enum %s {\n", typedefp ? name : "");
595 ASN1_TAILQ_FOREACH(m, t->members, members) {
598 fprintf (headerfile, "/* ... */\n");
600 fprintf (headerfile, "%s = %d%s\n", m->gen_name, m->val,
604 fprintf (headerfile, "} %s;\n\n", name);
612 fprintf (headerfile, "struct %s {\n", typedefp ? name : "");
613 if (t->type == TSequence && preservep) {
615 fprintf(headerfile, "heim_octet_string _save;\n");
617 ASN1_TAILQ_FOREACH(m, t->members, members) {
620 } else if (m->optional) {
623 asprintf (&n, "*%s", m->gen_name);
626 define_type (level + 1, n, m->type, FALSE, FALSE);
629 define_type (level + 1, m->gen_name, m->type, FALSE, FALSE);
632 fprintf (headerfile, "} %s;\n", name);
638 struct range range = { 0, INT_MAX };
645 fprintf (headerfile, "struct %s {\n", typedefp ? name : "");
646 define_type (level + 1, "len", &i, FALSE, FALSE);
647 define_type (level + 1, "*val", t->subtype, FALSE, FALSE);
649 fprintf (headerfile, "} %s;\n", name);
652 case TGeneralizedTime:
654 fprintf (headerfile, "time_t %s;\n", name);
658 fprintf (headerfile, "heim_general_string %s;\n", name);
661 define_type (level, name, t->subtype, typedefp, preservep);
668 fprintf (headerfile, "struct %s {\n", typedefp ? name : "");
671 fprintf(headerfile, "heim_octet_string _save;\n");
674 fprintf (headerfile, "enum {\n");
675 m = have_ellipsis(t);
678 fprintf (headerfile, "%s = 0,\n", m->label);
681 ASN1_TAILQ_FOREACH(m, t->members, members) {
684 fprintf (headerfile, "/* ... */\n");
686 fprintf (headerfile, "%s%s%s\n", m->label,
692 fprintf (headerfile, "} element;\n");
694 fprintf (headerfile, "union {\n");
695 ASN1_TAILQ_FOREACH(m, t->members, members) {
698 fprintf(headerfile, "heim_octet_string asn1_ellipsis;\n");
699 } else if (m->optional) {
702 asprintf (&n, "*%s", m->gen_name);
705 define_type (level + 2, n, m->type, FALSE, FALSE);
708 define_type (level + 2, m->gen_name, m->type, FALSE, FALSE);
711 fprintf (headerfile, "} u;\n");
713 fprintf (headerfile, "} %s;\n", name);
718 fprintf (headerfile, "time_t %s;\n", name);
722 fprintf (headerfile, "heim_utf8_string %s;\n", name);
724 case TPrintableString:
726 fprintf (headerfile, "heim_printable_string %s;\n", name);
730 fprintf (headerfile, "heim_ia5_string %s;\n", name);
734 fprintf (headerfile, "heim_bmp_string %s;\n", name);
736 case TUniversalString:
738 fprintf (headerfile, "heim_universal_string %s;\n", name);
742 fprintf (headerfile, "heim_oid %s;\n", name);
746 fprintf (headerfile, "int %s;\n", name);
754 generate_type_header (const Symbol *s)
756 int preservep = preserve_type(s->name) ? TRUE : FALSE;
758 fprintf (headerfile, "/*\n");
759 fprintf (headerfile, "%s ::= ", s->name);
760 define_asn1 (0, s->type);
761 fprintf (headerfile, "\n*/\n\n");
763 fprintf (headerfile, "typedef ");
764 define_type (0, s->gen_name, s->type, TRUE, preservep);
766 fprintf (headerfile, "\n");
771 generate_type (const Symbol *s)
773 generate_header_of_codefile(s->gen_name);
775 generate_type_header (s);
776 generate_type_encode (s);
777 generate_type_decode (s);
778 generate_type_free (s);
779 generate_type_length (s);
780 generate_type_copy (s);
781 generate_glue (s->type, s->gen_name);
782 fprintf(headerfile, "\n\n");