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
39 length_primitive (const char *typename,
43 fprintf (codefile, "%s += der_length_%s(%s);\n", variable, typename, name);
46 /* XXX same as der_length_tag */
48 length_tag(unsigned int tag)
63 length_type (const char *name, const Type *t,
64 const char *variable, const char *tmpstr)
69 length_type (name, t->symbol->type);
71 fprintf (codefile, "%s += length_%s(%s);\n",
72 variable, t->symbol->gen_name, name);
78 "int enumint = *%s;\n", name);
79 length_primitive ("integer", "&enumint", variable);
80 fprintf(codefile, "}\n");
81 } else if (t->range == NULL) {
82 length_primitive ("heim_integer", name, variable);
83 } else if (t->range->min < 0 &&
84 (t->range->min < INT_MIN || t->range->max > INT_MAX)) {
85 length_primitive ("integer64", name, variable);
86 } else if (t->range->min < 0) {
87 length_primitive ("integer", name, variable);
88 } else if (t->range->max > UINT_MAX) {
89 length_primitive ("unsigned64", name, variable);
91 length_primitive ("unsigned", name, variable);
95 fprintf (codefile, "%s += 1;\n", variable);
98 length_primitive ("enumerated", name, variable);
101 length_primitive ("octet_string", name, variable);
104 if (HEIM_TAILQ_EMPTY(t->members))
105 length_primitive("bit_string", name, variable);
107 if (!rfc1510_bitstring) {
109 int pos = HEIM_TAILQ_LAST(t->members, memhead)->val;
113 HEIM_TAILQ_FOREACH_REVERSE(m, t->members, memhead, members) {
114 while (m->val / 8 < pos / 8) {
118 "if((%s)->%s) { %s += %d; break; }\n",
119 name, m->gen_name, variable, (pos + 8) / 8);
123 fprintf (codefile, "%s += 1;\n", variable);
125 fprintf (codefile, "%s += 5;\n", variable);
133 Member *m, *have_ellipsis = NULL;
135 if (t->members == NULL)
138 if(t->type == TChoice)
139 fprintf (codefile, "switch((%s)->element) {\n", name);
141 HEIM_TAILQ_FOREACH(m, t->members, members) {
149 if(t->type == TChoice)
150 fprintf(codefile, "case %s:\n", m->label);
152 if (asprintf (&s, "%s(%s)->%s%s",
153 m->optional ? "" : "&", name,
154 t->type == TChoice ? "u." : "", m->gen_name) < 0 || s == NULL)
157 fprintf (codefile, "if(%s)", s);
159 gen_compare_defval(s + 1, m->defval);
160 fprintf (codefile, "{\n"
161 "size_t %s_oldret = %s;\n"
162 "%s = 0;\n", tmpstr, variable, variable);
163 length_type (s, m->type, "ret", m->gen_name);
164 fprintf (codefile, "ret += %s_oldret;\n", tmpstr);
165 fprintf (codefile, "}\n");
167 if(t->type == TChoice)
168 fprintf(codefile, "break;\n");
170 if(t->type == TChoice) {
174 "ret += (%s)->u.%s.length;\n"
176 have_ellipsis->label,
178 have_ellipsis->gen_name);
179 fprintf (codefile, "}\n"); /* switch */
190 "size_t %s_oldret = %s;\n"
191 "unsigned int n_%s;\n"
193 tmpstr, variable, tmpstr, variable);
195 fprintf (codefile, "for(n_%s = (%s)->len; n_%s > 0; --n_%s){\n",
196 tmpstr, name, tmpstr, tmpstr);
197 fprintf (codefile, "size_t %s_for_oldret = %s;\n"
198 "%s = 0;\n", tmpstr, variable, variable);
199 if (asprintf (&n, "&(%s)->val[n_%s - 1]", name, tmpstr) < 0 || n == NULL)
201 if (asprintf (&sname, "%s_S_Of", tmpstr) < 0 || sname == NULL)
203 length_type(n, t->subtype, variable, sname);
204 fprintf (codefile, "%s += %s_for_oldret;\n",
206 fprintf (codefile, "}\n");
210 "}\n", variable, tmpstr);
215 case TGeneralizedTime:
216 length_primitive ("generalized_time", name, variable);
219 length_primitive ("general_string", name, variable);
222 length_primitive ("general_string", name, variable);
225 length_primitive ("utctime", name, variable);
228 length_primitive ("utf8string", name, variable);
230 case TPrintableString:
231 length_primitive ("printable_string", name, variable);
234 length_primitive ("ia5_string", name, variable);
237 length_primitive ("bmp_string", name, variable);
239 case TUniversalString:
240 length_primitive ("universal_string", name, variable);
243 length_primitive ("visible_string", name, variable);
246 fprintf (codefile, "/* NULL */\n");
251 int prim = !(t->tag.tagclass != ASN1_C_UNIV &&
252 t->tag.tagenv == TE_EXPLICIT) &&
253 is_primitive_type(t->subtype);
255 if (asprintf(&tname, "%s_tag", tmpstr) < 0 || tname == NULL)
257 length_type (name, t->subtype, variable, tname);
258 /* See the comments in encode_type() about IMPLICIT tags */
259 if (t->tag.tagenv == TE_IMPLICIT && !prim &&
260 t->subtype->type != TSequenceOf && t->subtype->type != TSetOf &&
261 t->subtype->type != TChoice) {
262 if (t->subtype->symbol &&
263 (t->subtype->type == TSequence ||
264 t->subtype->type == TSet))
266 else if (t->subtype->symbol && strcmp(t->subtype->symbol->name, "heim_any"))
268 } else if (t->tag.tagenv == TE_IMPLICIT && prim && t->subtype->symbol)
269 replace_tag = is_tagged_type(t->subtype->symbol->type);
272 * We're replacing the tag of the underlying type. If that type is
273 * imported, then we don't know its tag, so we rely on the
274 * asn1_tag_tag_<TypeName> enum value we generated for it, and we
275 * use the asn1_tag_length_<TypeName> enum value to avoid having to
276 * call der_length_tag() at run-time.
278 fprintf(codefile, "ret += %lu - asn1_tag_length_%s;\n",
279 (unsigned long)length_tag(t->tag.tagvalue),
280 t->subtype->symbol->gen_name);
282 fprintf(codefile, "ret += %lu + der_length_len (ret);\n",
283 (unsigned long)length_tag(t->tag.tagvalue));
288 length_primitive ("oid", name, variable);
297 generate_type_length (const Symbol *s)
301 "length_%s(const %s *data)\n"
304 s->gen_name, s->gen_name);
306 length_type ("data", s->type, "ret", "Top");
307 fprintf (codefile, "return ret;\n}\n\n");