2 * Copyright (c) 1997 - 2002 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 1.50 2003/04/17 07:09:18 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)
76 orig_filename = filename;
78 asprintf(&headerbase, "%s", base);
79 asprintf(&header, "%s.h", headerbase);
80 headerfile = fopen (header, "w");
81 if (headerfile == NULL)
82 err (1, "open %s", header);
84 "/* Generated from %s */\n"
85 "/* Do not edit */\n\n",
89 "#define __%s_h__\n\n", headerbase, headerbase);
91 "#include <stddef.h>\n"
92 "#include <time.h>\n\n");
94 fprintf (headerfile, "time_t timegm (struct tm*);\n\n");
97 "#ifndef __asn1_common_definitions__\n"
98 "#define __asn1_common_definitions__\n\n");
100 "typedef struct octet_string {\n"
103 "} octet_string;\n\n");
105 "typedef char *general_string;\n\n"
108 "typedef struct oid {\n"
110 " unsigned *components;\n"
112 fputs("#define ASN1_MALLOC_ENCODE(T, B, BL, S, L, R) \\\n"
114 " (BL) = length_##T((S)); \\\n"
115 " (B) = malloc((BL)); \\\n"
116 " if((B) == NULL) { \\\n"
117 " (R) = ENOMEM; \\\n"
119 " (R) = encode_##T(((unsigned char*)(B)) + (BL) - 1, (BL), \\\n"
121 " if((R) != 0) { \\\n"
128 fprintf (headerfile, "#endif\n\n");
129 logfile = fopen(STEM "_files", "w");
131 err (1, "open " STEM "_files");
135 close_generate (void)
137 fprintf (headerfile, "#endif /* __%s_h__ */\n", headerbase);
140 fprintf (logfile, "\n");
145 generate_constant (const Symbol *s)
147 fprintf (headerfile, "enum { %s = %d };\n\n",
148 s->gen_name, s->constant);
155 fprintf(headerfile, " ");
159 define_asn1 (int level, Type *t)
164 fprintf (headerfile, "%s", t->symbol->name);
168 fprintf (headerfile, "INTEGER");
172 fprintf (headerfile, "UNSIGNED INTEGER");
176 fprintf (headerfile, "OCTET STRING");
180 fprintf(headerfile, "OBJECT IDENTIFIER");
187 fprintf (headerfile, "BIT STRING {\n");
188 for (m = t->members; m && m->val != tag; m = m->next) {
192 fprintf (headerfile, "%s(%d)%s\n", m->name, m->val,
193 m->next->val == tag?"":",");
197 fprintf (headerfile, "}");
205 fprintf (headerfile, "ENUMERATED {\n");
206 for (m = t->members; m && m->val != tag; m = m->next) {
210 fprintf (headerfile, "%s(%d)%s\n", m->name, m->val,
211 m->next->val == tag?"":",");
215 fprintf (headerfile, "}");
224 fprintf (headerfile, "SEQUENCE {\n");
225 for (m = t->members, tag = -1; m && m->val != tag; m = m->next) {
228 if(strlen(m->name) + (m->val > 9) > max_width)
229 max_width = strlen(m->name) + (m->val > 9);
232 if(max_width < 16) max_width = 16;
233 for (m = t->members, tag = -1 ; m && m->val != tag; m = m->next) {
238 fprintf(headerfile, "%s[%d]", m->name, m->val);
239 width = max_width - strlen(m->name) - 3 - (m->val > 9) - 2;
240 fprintf(headerfile, "%*s", width, "");
241 define_asn1(level + 1, m->type);
243 fprintf(headerfile, " OPTIONAL");
244 if(m->next->val != tag)
245 fprintf (headerfile, ",");
246 fprintf (headerfile, "\n");
249 fprintf (headerfile, "}");
254 fprintf (headerfile, "SEQUENCE OF ");
255 define_asn1 (0, t->subtype);
258 case TGeneralizedTime:
260 fprintf (headerfile, "GeneralizedTime");
264 fprintf (headerfile, "GeneralString");
267 fprintf (headerfile, "[APPLICATION %d] ", t->application);
268 define_asn1 (level, t->subtype);
276 define_type (int level, char *name, Type *t, int typedefp)
281 fprintf (headerfile, "%s %s;\n", t->symbol->gen_name, name);
285 if(t->members == NULL) {
286 fprintf (headerfile, "int %s;\n", name);
290 fprintf (headerfile, "enum %s {\n", typedefp ? name : "");
291 for (m = t->members; m && m->val != tag; m = m->next) {
295 fprintf(headerfile, "%s = %d%s\n", m->gen_name, m->val,
296 m->next->val == tag ? "" : ",");
298 fprintf (headerfile, "} %s;\n", name);
303 fprintf (headerfile, "unsigned int %s;\n", name);
307 fprintf (headerfile, "octet_string %s;\n", name);
311 fprintf (headerfile, "oid %s;\n", name);
320 fprintf (headerfile, "struct %s {\n", typedefp ? name : "");
321 for (m = t->members; m && m->val != tag; m = m->next) {
324 asprintf (&n, "%s:1", m->gen_name);
325 define_type (level + 1, n, &i, FALSE);
331 fprintf (headerfile, "} %s;\n\n", name);
339 fprintf (headerfile, "enum %s {\n", typedefp ? name : "");
340 for (m = t->members; m && m->val != tag; m = m->next) {
344 fprintf (headerfile, "%s = %d%s\n", m->gen_name, m->val,
345 m->next->val == tag ? "" : ",");
348 fprintf (headerfile, "} %s;\n\n", name);
356 fprintf (headerfile, "struct %s {\n", typedefp ? name : "");
357 for (m = t->members; m && m->val != tag; m = m->next) {
361 asprintf (&n, "*%s", m->gen_name);
362 define_type (level + 1, n, m->type, FALSE);
365 define_type (level + 1, m->gen_name, m->type, FALSE);
370 fprintf (headerfile, "} %s;\n", name);
380 fprintf (headerfile, "struct %s {\n", typedefp ? name : "");
381 define_type (level + 1, "len", &i, FALSE);
382 define_type (level + 1, "*val", t->subtype, FALSE);
384 fprintf (headerfile, "} %s;\n", name);
387 case TGeneralizedTime:
389 fprintf (headerfile, "time_t %s;\n", name);
393 fprintf (headerfile, "general_string %s;\n", name);
396 define_type (level, name, t->subtype, FALSE);
404 generate_type_header (const Symbol *s)
406 fprintf (headerfile, "/*\n");
407 fprintf (headerfile, "%s ::= ", s->name);
408 define_asn1 (0, s->type);
409 fprintf (headerfile, "\n*/\n\n");
411 fprintf (headerfile, "typedef ");
412 define_type (0, s->gen_name, s->type, TRUE);
414 fprintf (headerfile, "\n");
419 generate_type (const Symbol *s)
424 asprintf (&filename, "%s_%s.x", STEM, s->gen_name);
425 codefile = fopen (filename, "w");
426 if (codefile == NULL)
427 err (1, "fopen %s", filename);
428 fprintf(logfile, "%s ", filename);
431 "/* Generated from %s */\n"
432 "/* Do not edit */\n\n"
433 "#include <stdio.h>\n"
434 "#include <stdlib.h>\n"
435 "#include <time.h>\n"
436 "#include <string.h>\n"
437 "#include <errno.h>\n",
440 for (i = imports; i != NULL; i = i->next)
442 "#include <%s_asn1.h>\n",
448 "#include <asn1_err.h>\n"
450 "#include <parse_units.h>\n\n");
451 generate_type_header (s);
452 generate_type_encode (s);
453 generate_type_decode (s);
454 generate_type_free (s);
455 generate_type_length (s);
456 generate_type_copy (s);
458 fprintf(headerfile, "\n\n");