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
)
87 /* public header file */
88 asprintf(&header
, "%s.h", headerbase
);
91 asprintf(&fn
, "%s.hx", headerbase
);
94 headerfile
= fopen (fn
, "w");
95 if (headerfile
== NULL
)
96 err (1, "open %s", fn
);
100 "/* Generated from %s */\n"
101 "/* Do not edit */\n\n",
105 "#define __%s_h__\n\n", headerbase
, headerbase
);
107 "#include <stddef.h>\n"
108 "#include <time.h>\n\n");
110 "#ifndef __asn1_common_definitions__\n"
111 "#define __asn1_common_definitions__\n\n");
113 "typedef struct heim_integer {\n"
117 "} heim_integer;\n\n");
119 "typedef struct heim_octet_string {\n"
122 "} heim_octet_string;\n\n");
124 "typedef char *heim_general_string;\n\n"
127 "typedef char *heim_utf8_string;\n\n"
130 "typedef char *heim_printable_string;\n\n"
133 "typedef char *heim_ia5_string;\n\n"
136 "typedef struct heim_bmp_string {\n"
139 "} heim_bmp_string;\n\n");
141 "typedef struct heim_universal_string {\n"
144 "} heim_universal_string;\n\n");
146 "typedef char *heim_visible_string;\n\n"
149 "typedef struct heim_oid {\n"
151 " unsigned *components;\n"
154 "typedef struct heim_bit_string {\n"
157 "} heim_bit_string;\n\n");
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"
163 " (BL) = length_##T((S)); \\\n"
164 " (B) = malloc((BL)); \\\n"
165 " if((B) == NULL) { \\\n"
166 " (R) = ENOMEM; \\\n"
168 " (R) = encode_##T(((unsigned char*)(B)) + (BL) - 1, (BL), \\\n"
170 " if((R) != 0) { \\\n"
177 fprintf (headerfile
, "struct units;\n\n");
178 fprintf (headerfile
, "#endif\n\n");
179 asprintf(&fn
, "%s_files", base
);
182 logfile
= fopen(fn
, "w");
184 err (1, "open %s", fn
);
188 close_generate (void)
190 fprintf (headerfile
, "#endif /* __%s_h__ */\n", headerbase
);
193 fprintf (logfile
, "\n");
198 gen_assign_defval(const char *var
, struct value
*val
)
202 fprintf(codefile
, "if((%s = strdup(\"%s\")) == NULL)\nreturn ENOMEM;\n", var
, val
->u
.stringvalue
);
205 fprintf(codefile
, "%s = %d;\n", var
, val
->u
.integervalue
);
208 if(val
->u
.booleanvalue
)
209 fprintf(codefile
, "%s = TRUE;\n", var
);
211 fprintf(codefile
, "%s = FALSE;\n", var
);
219 gen_compare_defval(const char *var
, struct value
*val
)
223 fprintf(codefile
, "if(strcmp(%s, \"%s\") != 0)\n", var
, val
->u
.stringvalue
);
226 fprintf(codefile
, "if(%s != %d)\n", var
, val
->u
.integervalue
);
229 if(val
->u
.booleanvalue
)
230 fprintf(codefile
, "if(!%s)\n", var
);
232 fprintf(codefile
, "if(%s)\n", var
);
240 generate_header_of_codefile(const char *name
)
244 if (codefile
!= NULL
)
247 asprintf (&filename
, "%s_%s.x", STEM
, name
);
248 if (filename
== NULL
)
250 codefile
= fopen (filename
, "w");
251 if (codefile
== NULL
)
252 err (1, "fopen %s", filename
);
253 fprintf(logfile
, "%s ", filename
);
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",
271 "#include <asn1_err.h>\n"
273 "#include <parse_units.h>\n\n");
280 if (codefile
== NULL
)
289 generate_constant (const Symbol
*s
)
291 switch(s
->value
->type
) {
295 fprintf (headerfile
, "enum { %s = %d };\n\n",
296 s
->gen_name
, s
->value
->u
.integervalue
);
302 case objectidentifiervalue
: {
303 struct objid
*o
, **list
;
307 generate_header_of_codefile(s
->gen_name
);
310 for (o
= s
->value
->u
.objectidentifiervalue
; o
!= NULL
; o
= o
->next
)
313 printf("s->gen_name: %s",s
->gen_name
);
317 list
= emalloc(sizeof(*list
) * len
);
320 for (o
= s
->value
->u
.objectidentifiervalue
; o
!= NULL
; o
= o
->next
)
323 fprintf (headerfile
, "/* OBJECT IDENTIFIER %s ::= { ", s
->name
);
324 for (i
= len
; i
> 0; i
--) {
326 fprintf(headerfile
, "%s(%d) ",
327 o
->label
? o
->label
: "label-less", o
->value
);
330 fprintf (headerfile
, "} */\n");
331 fprintf (headerfile
, "const heim_oid *oid_%s(void);\n",
334 "extern const heim_oid asn1_oid_%s;\n\n",
338 fprintf (codefile
, "static unsigned oid_%s_variable_num[%d] = {",
340 for (i
= len
; i
> 0; i
--) {
341 fprintf(codefile
, "%d%s ", list
[i
- 1]->value
, i
> 1 ? "," : "");
343 fprintf(codefile
, "};\n");
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
);
349 fprintf (codefile
, "const heim_oid *oid_%s(void)\n"
351 "return &asn1_oid_%s;\n"
353 s
->gen_name
, s
->gen_name
);
371 fprintf(headerfile
, " ");
375 last_member_p(struct member
*m
)
377 struct member
*n
= ASN1_TAILQ_NEXT(m
, members
);
380 if (n
->ellipsis
&& ASN1_TAILQ_NEXT(n
, members
) == NULL
)
385 static struct member
*
386 have_ellipsis(Type
*t
)
389 ASN1_TAILQ_FOREACH(m
, t
->members
, members
) {
397 define_asn1 (int level
, Type
*t
)
401 fprintf (headerfile
, "%s", t
->symbol
->name
);
404 if(t
->members
== NULL
) {
405 fprintf (headerfile
, "INTEGER");
407 fprintf (headerfile
, " (%d..%d)",
408 t
->range
->min
, t
->range
->max
);
411 fprintf (headerfile
, "INTEGER {\n");
412 ASN1_TAILQ_FOREACH(m
, t
->members
, members
) {
414 fprintf(headerfile
, "%s(%d)%s\n", m
->gen_name
, m
->val
,
418 fprintf (headerfile
, "}");
422 fprintf (headerfile
, "BOOLEAN");
425 fprintf (headerfile
, "OCTET STRING");
432 if(t
->type
== TBitString
)
433 fprintf (headerfile
, "BIT STRING {\n");
435 fprintf (headerfile
, "ENUMERATED {\n");
436 ASN1_TAILQ_FOREACH(m
, t
->members
, members
) {
438 fprintf (headerfile
, "%s(%d)%s\n", m
->name
, m
->val
,
442 fprintf (headerfile
, "}");
451 if(t
->type
== TChoice
)
452 fprintf(headerfile
, "CHOICE {\n");
453 else if(t
->type
== TSet
)
454 fprintf(headerfile
, "SET {\n");
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
);
462 if(max_width
< 16) max_width
= 16;
463 ASN1_TAILQ_FOREACH(m
, t
->members
, members
) {
464 int width
= max_width
;
467 fprintf (headerfile
, "...");
469 width
-= fprintf(headerfile
, "%s", m
->name
);
470 fprintf(headerfile
, "%*s", width
, "");
471 define_asn1(level
+ 1, m
->type
);
473 fprintf(headerfile
, " OPTIONAL");
476 fprintf (headerfile
, ",");
477 fprintf (headerfile
, "\n");
480 fprintf (headerfile
, "}");
484 fprintf (headerfile
, "SEQUENCE OF ");
485 define_asn1 (0, t
->subtype
);
488 fprintf (headerfile
, "SET OF ");
489 define_asn1 (0, t
->subtype
);
491 case TGeneralizedTime
:
492 fprintf (headerfile
, "GeneralizedTime");
495 fprintf (headerfile
, "GeneralString");
498 fprintf (headerfile
, "TeletexString");
501 const char *classnames
[] = { "UNIVERSAL ", "APPLICATION ",
502 "" /* CONTEXT */, "PRIVATE " };
503 if(t
->tag
.tagclass
!= ASN1_C_UNIV
)
504 fprintf (headerfile
, "[%s%d] ",
505 classnames
[t
->tag
.tagclass
],
507 if(t
->tag
.tagenv
== TE_IMPLICIT
)
508 fprintf (headerfile
, "IMPLICIT ");
509 define_asn1 (level
, t
->subtype
);
513 fprintf (headerfile
, "UTCTime");
517 fprintf (headerfile
, "UTF8String");
519 case TPrintableString
:
521 fprintf (headerfile
, "PrintableString");
525 fprintf (headerfile
, "IA5String");
529 fprintf (headerfile
, "BMPString");
531 case TUniversalString
:
533 fprintf (headerfile
, "UniversalString");
537 fprintf (headerfile
, "VisibleString");
541 fprintf(headerfile
, "OBJECT IDENTIFIER");
545 fprintf (headerfile
, "NULL");
553 define_type (int level
, const char *name
, Type
*t
, int typedefp
, int preservep
)
558 fprintf (headerfile
, "%s %s;\n", t
->symbol
->gen_name
, name
);
564 fprintf (headerfile
, "enum %s {\n", typedefp
? name
: "");
565 ASN1_TAILQ_FOREACH(m
, t
->members
, members
) {
567 fprintf(headerfile
, "%s = %d%s\n", m
->gen_name
, m
->val
,
570 fprintf (headerfile
, "} %s;\n", name
);
571 } else if (t
->range
== NULL
) {
572 fprintf (headerfile
, "heim_integer %s;\n", name
);
573 } else if (t
->range
->min
== INT_MIN
&& t
->range
->max
== INT_MAX
) {
574 fprintf (headerfile
, "int %s;\n", name
);
575 } else if (t
->range
->min
== 0 && t
->range
->max
== UINT_MAX
) {
576 fprintf (headerfile
, "unsigned int %s;\n", name
);
577 } else if (t
->range
->min
== 0 && t
->range
->max
== INT_MAX
) {
578 fprintf (headerfile
, "unsigned int %s;\n", name
);
580 errx(1, "%s: unsupported range %d -> %d",
581 name
, t
->range
->min
, t
->range
->max
);
585 fprintf (headerfile
, "int %s;\n", name
);
589 fprintf (headerfile
, "heim_octet_string %s;\n", name
);
594 struct range range
= { 0, INT_MAX
};
602 if(ASN1_TAILQ_EMPTY(t
->members
))
603 fprintf (headerfile
, "heim_bit_string %s;\n", name
);
605 fprintf (headerfile
, "struct %s {\n", typedefp
? name
: "");
606 ASN1_TAILQ_FOREACH(m
, t
->members
, members
) {
609 asprintf (&n
, "%s:1", m
->gen_name
);
612 define_type (level
+ 1, n
, &i
, FALSE
, FALSE
);
616 fprintf (headerfile
, "} %s;\n\n", name
);
624 fprintf (headerfile
, "enum %s {\n", typedefp
? name
: "");
625 ASN1_TAILQ_FOREACH(m
, t
->members
, members
) {
628 fprintf (headerfile
, "/* ... */\n");
630 fprintf (headerfile
, "%s = %d%s\n", m
->gen_name
, m
->val
,
634 fprintf (headerfile
, "} %s;\n\n", name
);
642 fprintf (headerfile
, "struct %s {\n", typedefp
? name
: "");
643 if (t
->type
== TSequence
&& preservep
) {
645 fprintf(headerfile
, "heim_octet_string _save;\n");
647 ASN1_TAILQ_FOREACH(m
, t
->members
, members
) {
650 } else if (m
->optional
) {
653 asprintf (&n
, "*%s", m
->gen_name
);
656 define_type (level
+ 1, n
, m
->type
, FALSE
, FALSE
);
659 define_type (level
+ 1, m
->gen_name
, m
->type
, FALSE
, FALSE
);
662 fprintf (headerfile
, "} %s;\n", name
);
668 struct range range
= { 0, INT_MAX
};
676 fprintf (headerfile
, "struct %s {\n", typedefp
? name
: "");
677 define_type (level
+ 1, "len", &i
, FALSE
, FALSE
);
678 define_type (level
+ 1, "*val", t
->subtype
, FALSE
, FALSE
);
680 fprintf (headerfile
, "} %s;\n", name
);
683 case TGeneralizedTime
:
685 fprintf (headerfile
, "time_t %s;\n", name
);
689 fprintf (headerfile
, "heim_general_string %s;\n", name
);
693 fprintf (headerfile
, "heim_general_string %s;\n", name
);
696 define_type (level
, name
, t
->subtype
, typedefp
, preservep
);
703 fprintf (headerfile
, "struct %s {\n", typedefp
? name
: "");
706 fprintf(headerfile
, "heim_octet_string _save;\n");
709 fprintf (headerfile
, "enum {\n");
710 m
= have_ellipsis(t
);
713 fprintf (headerfile
, "%s = 0,\n", m
->label
);
716 ASN1_TAILQ_FOREACH(m
, t
->members
, members
) {
719 fprintf (headerfile
, "/* ... */\n");
721 fprintf (headerfile
, "%s%s%s\n", m
->label
,
727 fprintf (headerfile
, "} element;\n");
729 fprintf (headerfile
, "union {\n");
730 ASN1_TAILQ_FOREACH(m
, t
->members
, members
) {
733 fprintf(headerfile
, "heim_octet_string asn1_ellipsis;\n");
734 } else if (m
->optional
) {
737 asprintf (&n
, "*%s", m
->gen_name
);
740 define_type (level
+ 2, n
, m
->type
, FALSE
, FALSE
);
743 define_type (level
+ 2, m
->gen_name
, m
->type
, FALSE
, FALSE
);
746 fprintf (headerfile
, "} u;\n");
748 fprintf (headerfile
, "} %s;\n", name
);
753 fprintf (headerfile
, "time_t %s;\n", name
);
757 fprintf (headerfile
, "heim_utf8_string %s;\n", name
);
759 case TPrintableString
:
761 fprintf (headerfile
, "heim_printable_string %s;\n", name
);
765 fprintf (headerfile
, "heim_ia5_string %s;\n", name
);
769 fprintf (headerfile
, "heim_bmp_string %s;\n", name
);
771 case TUniversalString
:
773 fprintf (headerfile
, "heim_universal_string %s;\n", name
);
777 fprintf (headerfile
, "heim_visible_string %s;\n", name
);
781 fprintf (headerfile
, "heim_oid %s;\n", name
);
785 fprintf (headerfile
, "int %s;\n", name
);
793 generate_type_header (const Symbol
*s
)
795 int preservep
= preserve_type(s
->name
) ? TRUE
: FALSE
;
797 fprintf (headerfile
, "/*\n");
798 fprintf (headerfile
, "%s ::= ", s
->name
);
799 define_asn1 (0, s
->type
);
800 fprintf (headerfile
, "\n*/\n\n");
802 fprintf (headerfile
, "typedef ");
803 define_type (0, s
->gen_name
, s
->type
, TRUE
, preservep
);
805 fprintf (headerfile
, "\n");
810 generate_type (const Symbol
*s
)
813 generate_header_of_codefile(s
->gen_name
);
815 generate_type_header (s
);
816 generate_type_encode (s
);
817 generate_type_decode (s
);
818 generate_type_free (s
);
819 generate_type_length (s
);
820 generate_type_copy (s
);
821 generate_type_seq (s
);
822 generate_glue (s
->type
, s
->gen_name
);
823 fprintf(headerfile
, "\n\n");
825 if (!one_code_file
) {
826 fprintf(codefile
, "\n\n");