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0f113f3e | 1 | /* |
21dcbebc | 2 | * Copyright 2000-2016 The OpenSSL Project Authors. All Rights Reserved. |
9d6b1ce6 | 3 | * |
48f4ad77 | 4 | * Licensed under the Apache License 2.0 (the "License"). You may not use |
21dcbebc RS |
5 | * this file except in compliance with the License. You can obtain a copy |
6 | * in the file LICENSE in the source distribution or at | |
7 | * https://www.openssl.org/source/license.html | |
9d6b1ce6 | 8 | */ |
21dcbebc | 9 | |
ae4186b0 DMSP |
10 | #ifndef OPENSSL_ASN1T_H |
11 | # define OPENSSL_ASN1T_H | |
d86167ec DMSP |
12 | # pragma once |
13 | ||
14 | # include <openssl/macros.h> | |
936c2b9e | 15 | # ifndef OPENSSL_NO_DEPRECATED_3_0 |
d86167ec DMSP |
16 | # define HEADER_ASN1T_H |
17 | # endif | |
9d6b1ce6 | 18 | |
0f113f3e MC |
19 | # include <stddef.h> |
20 | # include <openssl/e_os2.h> | |
21 | # include <openssl/asn1.h> | |
9d6b1ce6 | 22 | |
0f113f3e MC |
23 | # ifdef OPENSSL_BUILD_SHLIBCRYPTO |
24 | # undef OPENSSL_EXTERN | |
25 | # define OPENSSL_EXTERN OPENSSL_EXPORT | |
26 | # endif | |
26da3e65 | 27 | |
9d6b1ce6 DSH |
28 | /* ASN1 template defines, structures and functions */ |
29 | ||
30 | #ifdef __cplusplus | |
31 | extern "C" { | |
32 | #endif | |
33 | ||
bb5ea36b | 34 | /* Macro to obtain ASN1_ADB pointer from a type (only used internally) */ |
211da00b | 35 | # define ASN1_ADB_ptr(iptr) ((const ASN1_ADB *)((iptr)())) |
bb5ea36b DSH |
36 | |
37 | /* Macros for start and end of ASN1_ITEM definition */ | |
38 | ||
211da00b | 39 | # define ASN1_ITEM_start(itname) \ |
0f113f3e MC |
40 | const ASN1_ITEM * itname##_it(void) \ |
41 | { \ | |
42 | static const ASN1_ITEM local_it = { | |
bb5ea36b | 43 | |
211da00b | 44 | # define static_ASN1_ITEM_start(itname) \ |
03cbd3b8 | 45 | static ASN1_ITEM_start(itname) |
05e97f1d | 46 | |
211da00b | 47 | # define ASN1_ITEM_end(itname) \ |
0f113f3e MC |
48 | }; \ |
49 | return &local_it; \ | |
50 | } | |
bb5ea36b | 51 | |
9d6b1ce6 DSH |
52 | /* Macros to aid ASN1 template writing */ |
53 | ||
0f113f3e MC |
54 | # define ASN1_ITEM_TEMPLATE(tname) \ |
55 | static const ASN1_TEMPLATE tname##_item_tt | |
56 | ||
57 | # define ASN1_ITEM_TEMPLATE_END(tname) \ | |
58 | ;\ | |
59 | ASN1_ITEM_start(tname) \ | |
60 | ASN1_ITYPE_PRIMITIVE,\ | |
61 | -1,\ | |
62 | &tname##_item_tt,\ | |
63 | 0,\ | |
64 | NULL,\ | |
65 | 0,\ | |
66 | #tname \ | |
67 | ASN1_ITEM_end(tname) | |
df2ee0e2 BL |
68 | # define static_ASN1_ITEM_TEMPLATE_END(tname) \ |
69 | ;\ | |
70 | static_ASN1_ITEM_start(tname) \ | |
71 | ASN1_ITYPE_PRIMITIVE,\ | |
72 | -1,\ | |
73 | &tname##_item_tt,\ | |
74 | 0,\ | |
75 | NULL,\ | |
76 | 0,\ | |
77 | #tname \ | |
78 | ASN1_ITEM_end(tname) | |
9d6b1ce6 DSH |
79 | |
80 | /* This is a ASN1 type which just embeds a template */ | |
0f113f3e MC |
81 | |
82 | /*- | |
1d97c843 | 83 | * This pair helps declare a SEQUENCE. We can do: |
9d6b1ce6 | 84 | * |
0f113f3e MC |
85 | * ASN1_SEQUENCE(stname) = { |
86 | * ... SEQUENCE components ... | |
87 | * } ASN1_SEQUENCE_END(stname) | |
9d6b1ce6 | 88 | * |
0f113f3e MC |
89 | * This will produce an ASN1_ITEM called stname_it |
90 | * for a structure called stname. | |
9d6b1ce6 | 91 | * |
0f113f3e MC |
92 | * If you want the same structure but a different |
93 | * name then use: | |
9d6b1ce6 | 94 | * |
0f113f3e MC |
95 | * ASN1_SEQUENCE(itname) = { |
96 | * ... SEQUENCE components ... | |
97 | * } ASN1_SEQUENCE_END_name(stname, itname) | |
9d6b1ce6 | 98 | * |
0f113f3e MC |
99 | * This will create an item called itname_it using |
100 | * a structure called stname. | |
9d6b1ce6 DSH |
101 | */ |
102 | ||
0f113f3e MC |
103 | # define ASN1_SEQUENCE(tname) \ |
104 | static const ASN1_TEMPLATE tname##_seq_tt[] | |
105 | ||
106 | # define ASN1_SEQUENCE_END(stname) ASN1_SEQUENCE_END_name(stname, stname) | |
107 | ||
df2ee0e2 BL |
108 | # define static_ASN1_SEQUENCE_END(stname) static_ASN1_SEQUENCE_END_name(stname, stname) |
109 | ||
0f113f3e MC |
110 | # define ASN1_SEQUENCE_END_name(stname, tname) \ |
111 | ;\ | |
112 | ASN1_ITEM_start(tname) \ | |
113 | ASN1_ITYPE_SEQUENCE,\ | |
114 | V_ASN1_SEQUENCE,\ | |
115 | tname##_seq_tt,\ | |
116 | sizeof(tname##_seq_tt) / sizeof(ASN1_TEMPLATE),\ | |
117 | NULL,\ | |
118 | sizeof(stname),\ | |
2171a071 | 119 | #tname \ |
0f113f3e MC |
120 | ASN1_ITEM_end(tname) |
121 | ||
df2ee0e2 BL |
122 | # define static_ASN1_SEQUENCE_END_name(stname, tname) \ |
123 | ;\ | |
124 | static_ASN1_ITEM_start(tname) \ | |
125 | ASN1_ITYPE_SEQUENCE,\ | |
126 | V_ASN1_SEQUENCE,\ | |
127 | tname##_seq_tt,\ | |
128 | sizeof(tname##_seq_tt) / sizeof(ASN1_TEMPLATE),\ | |
129 | NULL,\ | |
130 | sizeof(stname),\ | |
131 | #stname \ | |
132 | ASN1_ITEM_end(tname) | |
133 | ||
0f113f3e MC |
134 | # define ASN1_NDEF_SEQUENCE(tname) \ |
135 | ASN1_SEQUENCE(tname) | |
136 | ||
137 | # define ASN1_NDEF_SEQUENCE_cb(tname, cb) \ | |
138 | ASN1_SEQUENCE_cb(tname, cb) | |
139 | ||
140 | # define ASN1_SEQUENCE_cb(tname, cb) \ | |
9fdcc21f DO |
141 | static const ASN1_AUX tname##_aux = {NULL, 0, 0, 0, cb, 0, NULL}; \ |
142 | ASN1_SEQUENCE(tname) | |
143 | ||
144 | # define ASN1_SEQUENCE_const_cb(tname, const_cb) \ | |
145 | static const ASN1_AUX tname##_aux = \ | |
146 | {NULL, ASN1_AFLG_CONST_CB, 0, 0, NULL, 0, const_cb}; \ | |
147 | ASN1_SEQUENCE(tname) | |
148 | ||
149 | # define ASN1_SEQUENCE_cb_const_cb(tname, cb, const_cb) \ | |
150 | static const ASN1_AUX tname##_aux = \ | |
151 | {NULL, ASN1_AFLG_CONST_CB, 0, 0, cb, 0, const_cb}; \ | |
0f113f3e MC |
152 | ASN1_SEQUENCE(tname) |
153 | ||
c001ce33 | 154 | # define ASN1_SEQUENCE_ref(tname, cb) \ |
9fdcc21f | 155 | static const ASN1_AUX tname##_aux = {NULL, ASN1_AFLG_REFCOUNT, offsetof(tname, references), offsetof(tname, lock), cb, 0, NULL}; \ |
0f113f3e MC |
156 | ASN1_SEQUENCE(tname) |
157 | ||
158 | # define ASN1_SEQUENCE_enc(tname, enc, cb) \ | |
9fdcc21f | 159 | static const ASN1_AUX tname##_aux = {NULL, ASN1_AFLG_ENCODING, 0, 0, cb, offsetof(tname, enc), NULL}; \ |
0f113f3e MC |
160 | ASN1_SEQUENCE(tname) |
161 | ||
162 | # define ASN1_NDEF_SEQUENCE_END(tname) \ | |
163 | ;\ | |
164 | ASN1_ITEM_start(tname) \ | |
165 | ASN1_ITYPE_NDEF_SEQUENCE,\ | |
166 | V_ASN1_SEQUENCE,\ | |
167 | tname##_seq_tt,\ | |
168 | sizeof(tname##_seq_tt) / sizeof(ASN1_TEMPLATE),\ | |
169 | NULL,\ | |
170 | sizeof(tname),\ | |
171 | #tname \ | |
172 | ASN1_ITEM_end(tname) | |
df2ee0e2 BL |
173 | # define static_ASN1_NDEF_SEQUENCE_END(tname) \ |
174 | ;\ | |
dccd20d1 | 175 | static_ASN1_ITEM_start(tname) \ |
df2ee0e2 BL |
176 | ASN1_ITYPE_NDEF_SEQUENCE,\ |
177 | V_ASN1_SEQUENCE,\ | |
178 | tname##_seq_tt,\ | |
179 | sizeof(tname##_seq_tt) / sizeof(ASN1_TEMPLATE),\ | |
180 | NULL,\ | |
181 | sizeof(tname),\ | |
182 | #tname \ | |
183 | ASN1_ITEM_end(tname) | |
0f113f3e | 184 | |
0f113f3e MC |
185 | |
186 | # define ASN1_SEQUENCE_END_enc(stname, tname) ASN1_SEQUENCE_END_ref(stname, tname) | |
187 | ||
188 | # define ASN1_SEQUENCE_END_cb(stname, tname) ASN1_SEQUENCE_END_ref(stname, tname) | |
df2ee0e2 | 189 | # define static_ASN1_SEQUENCE_END_cb(stname, tname) static_ASN1_SEQUENCE_END_ref(stname, tname) |
0f113f3e MC |
190 | |
191 | # define ASN1_SEQUENCE_END_ref(stname, tname) \ | |
192 | ;\ | |
193 | ASN1_ITEM_start(tname) \ | |
194 | ASN1_ITYPE_SEQUENCE,\ | |
195 | V_ASN1_SEQUENCE,\ | |
196 | tname##_seq_tt,\ | |
197 | sizeof(tname##_seq_tt) / sizeof(ASN1_TEMPLATE),\ | |
198 | &tname##_aux,\ | |
199 | sizeof(stname),\ | |
2171a071 | 200 | #tname \ |
0f113f3e | 201 | ASN1_ITEM_end(tname) |
df2ee0e2 BL |
202 | # define static_ASN1_SEQUENCE_END_ref(stname, tname) \ |
203 | ;\ | |
204 | static_ASN1_ITEM_start(tname) \ | |
205 | ASN1_ITYPE_SEQUENCE,\ | |
206 | V_ASN1_SEQUENCE,\ | |
207 | tname##_seq_tt,\ | |
208 | sizeof(tname##_seq_tt) / sizeof(ASN1_TEMPLATE),\ | |
209 | &tname##_aux,\ | |
210 | sizeof(stname),\ | |
211 | #stname \ | |
212 | ASN1_ITEM_end(tname) | |
0f113f3e MC |
213 | |
214 | # define ASN1_NDEF_SEQUENCE_END_cb(stname, tname) \ | |
215 | ;\ | |
216 | ASN1_ITEM_start(tname) \ | |
217 | ASN1_ITYPE_NDEF_SEQUENCE,\ | |
218 | V_ASN1_SEQUENCE,\ | |
219 | tname##_seq_tt,\ | |
220 | sizeof(tname##_seq_tt) / sizeof(ASN1_TEMPLATE),\ | |
221 | &tname##_aux,\ | |
222 | sizeof(stname),\ | |
223 | #stname \ | |
224 | ASN1_ITEM_end(tname) | |
9d6b1ce6 | 225 | |
1d97c843 TH |
226 | /*- |
227 | * This pair helps declare a CHOICE type. We can do: | |
9d6b1ce6 | 228 | * |
0f113f3e MC |
229 | * ASN1_CHOICE(chname) = { |
230 | * ... CHOICE options ... | |
231 | * ASN1_CHOICE_END(chname) | |
232 | * | |
233 | * This will produce an ASN1_ITEM called chname_it | |
234 | * for a structure called chname. The structure | |
235 | * definition must look like this: | |
236 | * typedef struct { | |
237 | * int type; | |
238 | * union { | |
239 | * ASN1_SOMETHING *opt1; | |
240 | * ASN1_SOMEOTHER *opt2; | |
241 | * } value; | |
242 | * } chname; | |
9d6b1ce6 | 243 | * |
0f113f3e MC |
244 | * the name of the selector must be 'type'. |
245 | * to use an alternative selector name use the | |
9d6b1ce6 DSH |
246 | * ASN1_CHOICE_END_selector() version. |
247 | */ | |
248 | ||
0f113f3e MC |
249 | # define ASN1_CHOICE(tname) \ |
250 | static const ASN1_TEMPLATE tname##_ch_tt[] | |
251 | ||
252 | # define ASN1_CHOICE_cb(tname, cb) \ | |
9fdcc21f | 253 | static const ASN1_AUX tname##_aux = {NULL, 0, 0, 0, cb, 0, NULL}; \ |
0f113f3e MC |
254 | ASN1_CHOICE(tname) |
255 | ||
256 | # define ASN1_CHOICE_END(stname) ASN1_CHOICE_END_name(stname, stname) | |
257 | ||
df2ee0e2 BL |
258 | # define static_ASN1_CHOICE_END(stname) static_ASN1_CHOICE_END_name(stname, stname) |
259 | ||
0f113f3e MC |
260 | # define ASN1_CHOICE_END_name(stname, tname) ASN1_CHOICE_END_selector(stname, tname, type) |
261 | ||
df2ee0e2 BL |
262 | # define static_ASN1_CHOICE_END_name(stname, tname) static_ASN1_CHOICE_END_selector(stname, tname, type) |
263 | ||
0f113f3e MC |
264 | # define ASN1_CHOICE_END_selector(stname, tname, selname) \ |
265 | ;\ | |
266 | ASN1_ITEM_start(tname) \ | |
267 | ASN1_ITYPE_CHOICE,\ | |
268 | offsetof(stname,selname) ,\ | |
269 | tname##_ch_tt,\ | |
270 | sizeof(tname##_ch_tt) / sizeof(ASN1_TEMPLATE),\ | |
271 | NULL,\ | |
272 | sizeof(stname),\ | |
273 | #stname \ | |
274 | ASN1_ITEM_end(tname) | |
275 | ||
df2ee0e2 BL |
276 | # define static_ASN1_CHOICE_END_selector(stname, tname, selname) \ |
277 | ;\ | |
278 | static_ASN1_ITEM_start(tname) \ | |
279 | ASN1_ITYPE_CHOICE,\ | |
280 | offsetof(stname,selname) ,\ | |
281 | tname##_ch_tt,\ | |
282 | sizeof(tname##_ch_tt) / sizeof(ASN1_TEMPLATE),\ | |
283 | NULL,\ | |
284 | sizeof(stname),\ | |
285 | #stname \ | |
286 | ASN1_ITEM_end(tname) | |
287 | ||
0f113f3e MC |
288 | # define ASN1_CHOICE_END_cb(stname, tname, selname) \ |
289 | ;\ | |
290 | ASN1_ITEM_start(tname) \ | |
291 | ASN1_ITYPE_CHOICE,\ | |
292 | offsetof(stname,selname) ,\ | |
293 | tname##_ch_tt,\ | |
294 | sizeof(tname##_ch_tt) / sizeof(ASN1_TEMPLATE),\ | |
295 | &tname##_aux,\ | |
296 | sizeof(stname),\ | |
297 | #stname \ | |
298 | ASN1_ITEM_end(tname) | |
9d6b1ce6 DSH |
299 | |
300 | /* This helps with the template wrapper form of ASN1_ITEM */ | |
301 | ||
0f113f3e MC |
302 | # define ASN1_EX_TEMPLATE_TYPE(flags, tag, name, type) { \ |
303 | (flags), (tag), 0,\ | |
304 | #name, ASN1_ITEM_ref(type) } | |
9d6b1ce6 DSH |
305 | |
306 | /* These help with SEQUENCE or CHOICE components */ | |
307 | ||
308 | /* used to declare other types */ | |
309 | ||
0f113f3e MC |
310 | # define ASN1_EX_TYPE(flags, tag, stname, field, type) { \ |
311 | (flags), (tag), offsetof(stname, field),\ | |
312 | #field, ASN1_ITEM_ref(type) } | |
9d6b1ce6 | 313 | |
9d6b1ce6 DSH |
314 | /* implicit and explicit helper macros */ |
315 | ||
0f113f3e | 316 | # define ASN1_IMP_EX(stname, field, type, tag, ex) \ |
37659ea4 | 317 | ASN1_EX_TYPE(ASN1_TFLG_IMPLICIT | (ex), tag, stname, field, type) |
9d6b1ce6 | 318 | |
0f113f3e | 319 | # define ASN1_EXP_EX(stname, field, type, tag, ex) \ |
37659ea4 | 320 | ASN1_EX_TYPE(ASN1_TFLG_EXPLICIT | (ex), tag, stname, field, type) |
9d6b1ce6 DSH |
321 | |
322 | /* Any defined by macros: the field used is in the table itself */ | |
323 | ||
211da00b RS |
324 | # define ASN1_ADB_OBJECT(tblname) { ASN1_TFLG_ADB_OID, -1, 0, #tblname, tblname##_adb } |
325 | # define ASN1_ADB_INTEGER(tblname) { ASN1_TFLG_ADB_INT, -1, 0, #tblname, tblname##_adb } | |
326 | ||
9d6b1ce6 | 327 | /* Plain simple type */ |
0f113f3e | 328 | # define ASN1_SIMPLE(stname, field, type) ASN1_EX_TYPE(0,0, stname, field, type) |
de17bd5d DSH |
329 | /* Embedded simple type */ |
330 | # define ASN1_EMBED(stname, field, type) ASN1_EX_TYPE(ASN1_TFLG_EMBED,0, stname, field, type) | |
9d6b1ce6 DSH |
331 | |
332 | /* OPTIONAL simple type */ | |
0f113f3e | 333 | # define ASN1_OPT(stname, field, type) ASN1_EX_TYPE(ASN1_TFLG_OPTIONAL, 0, stname, field, type) |
49005bb8 | 334 | # define ASN1_OPT_EMBED(stname, field, type) ASN1_EX_TYPE(ASN1_TFLG_OPTIONAL|ASN1_TFLG_EMBED, 0, stname, field, type) |
9d6b1ce6 DSH |
335 | |
336 | /* IMPLICIT tagged simple type */ | |
0f113f3e | 337 | # define ASN1_IMP(stname, field, type, tag) ASN1_IMP_EX(stname, field, type, tag, 0) |
49005bb8 | 338 | # define ASN1_IMP_EMBED(stname, field, type, tag) ASN1_IMP_EX(stname, field, type, tag, ASN1_TFLG_EMBED) |
9d6b1ce6 DSH |
339 | |
340 | /* IMPLICIT tagged OPTIONAL simple type */ | |
0f113f3e | 341 | # define ASN1_IMP_OPT(stname, field, type, tag) ASN1_IMP_EX(stname, field, type, tag, ASN1_TFLG_OPTIONAL) |
49005bb8 | 342 | # define ASN1_IMP_OPT_EMBED(stname, field, type, tag) ASN1_IMP_EX(stname, field, type, tag, ASN1_TFLG_OPTIONAL|ASN1_TFLG_EMBED) |
9d6b1ce6 DSH |
343 | |
344 | /* Same as above but EXPLICIT */ | |
345 | ||
0f113f3e | 346 | # define ASN1_EXP(stname, field, type, tag) ASN1_EXP_EX(stname, field, type, tag, 0) |
49005bb8 | 347 | # define ASN1_EXP_EMBED(stname, field, type, tag) ASN1_EXP_EX(stname, field, type, tag, ASN1_TFLG_EMBED) |
0f113f3e | 348 | # define ASN1_EXP_OPT(stname, field, type, tag) ASN1_EXP_EX(stname, field, type, tag, ASN1_TFLG_OPTIONAL) |
49005bb8 | 349 | # define ASN1_EXP_OPT_EMBED(stname, field, type, tag) ASN1_EXP_EX(stname, field, type, tag, ASN1_TFLG_OPTIONAL|ASN1_TFLG_EMBED) |
9d6b1ce6 DSH |
350 | |
351 | /* SEQUENCE OF type */ | |
0f113f3e MC |
352 | # define ASN1_SEQUENCE_OF(stname, field, type) \ |
353 | ASN1_EX_TYPE(ASN1_TFLG_SEQUENCE_OF, 0, stname, field, type) | |
9d6b1ce6 DSH |
354 | |
355 | /* OPTIONAL SEQUENCE OF */ | |
0f113f3e MC |
356 | # define ASN1_SEQUENCE_OF_OPT(stname, field, type) \ |
357 | ASN1_EX_TYPE(ASN1_TFLG_SEQUENCE_OF|ASN1_TFLG_OPTIONAL, 0, stname, field, type) | |
9d6b1ce6 DSH |
358 | |
359 | /* Same as above but for SET OF */ | |
360 | ||
0f113f3e MC |
361 | # define ASN1_SET_OF(stname, field, type) \ |
362 | ASN1_EX_TYPE(ASN1_TFLG_SET_OF, 0, stname, field, type) | |
9d6b1ce6 | 363 | |
0f113f3e MC |
364 | # define ASN1_SET_OF_OPT(stname, field, type) \ |
365 | ASN1_EX_TYPE(ASN1_TFLG_SET_OF|ASN1_TFLG_OPTIONAL, 0, stname, field, type) | |
9d6b1ce6 DSH |
366 | |
367 | /* Finally compound types of SEQUENCE, SET, IMPLICIT, EXPLICIT and OPTIONAL */ | |
368 | ||
0f113f3e MC |
369 | # define ASN1_IMP_SET_OF(stname, field, type, tag) \ |
370 | ASN1_IMP_EX(stname, field, type, tag, ASN1_TFLG_SET_OF) | |
9d6b1ce6 | 371 | |
0f113f3e MC |
372 | # define ASN1_EXP_SET_OF(stname, field, type, tag) \ |
373 | ASN1_EXP_EX(stname, field, type, tag, ASN1_TFLG_SET_OF) | |
9d6b1ce6 | 374 | |
0f113f3e MC |
375 | # define ASN1_IMP_SET_OF_OPT(stname, field, type, tag) \ |
376 | ASN1_IMP_EX(stname, field, type, tag, ASN1_TFLG_SET_OF|ASN1_TFLG_OPTIONAL) | |
9d6b1ce6 | 377 | |
0f113f3e MC |
378 | # define ASN1_EXP_SET_OF_OPT(stname, field, type, tag) \ |
379 | ASN1_EXP_EX(stname, field, type, tag, ASN1_TFLG_SET_OF|ASN1_TFLG_OPTIONAL) | |
9d6b1ce6 | 380 | |
0f113f3e MC |
381 | # define ASN1_IMP_SEQUENCE_OF(stname, field, type, tag) \ |
382 | ASN1_IMP_EX(stname, field, type, tag, ASN1_TFLG_SEQUENCE_OF) | |
9d6b1ce6 | 383 | |
0f113f3e MC |
384 | # define ASN1_IMP_SEQUENCE_OF_OPT(stname, field, type, tag) \ |
385 | ASN1_IMP_EX(stname, field, type, tag, ASN1_TFLG_SEQUENCE_OF|ASN1_TFLG_OPTIONAL) | |
9d6b1ce6 | 386 | |
0f113f3e MC |
387 | # define ASN1_EXP_SEQUENCE_OF(stname, field, type, tag) \ |
388 | ASN1_EXP_EX(stname, field, type, tag, ASN1_TFLG_SEQUENCE_OF) | |
9d6b1ce6 | 389 | |
0f113f3e MC |
390 | # define ASN1_EXP_SEQUENCE_OF_OPT(stname, field, type, tag) \ |
391 | ASN1_EXP_EX(stname, field, type, tag, ASN1_TFLG_SEQUENCE_OF|ASN1_TFLG_OPTIONAL) | |
9d6b1ce6 | 392 | |
f8492ffe | 393 | /* EXPLICIT using indefinite length constructed form */ |
0f113f3e MC |
394 | # define ASN1_NDEF_EXP(stname, field, type, tag) \ |
395 | ASN1_EXP_EX(stname, field, type, tag, ASN1_TFLG_NDEF) | |
f8492ffe | 396 | |
230fd6b7 | 397 | /* EXPLICIT OPTIONAL using indefinite length constructed form */ |
0f113f3e MC |
398 | # define ASN1_NDEF_EXP_OPT(stname, field, type, tag) \ |
399 | ASN1_EXP_EX(stname, field, type, tag, ASN1_TFLG_OPTIONAL|ASN1_TFLG_NDEF) | |
230fd6b7 | 400 | |
9d6b1ce6 DSH |
401 | /* Macros for the ASN1_ADB structure */ |
402 | ||
0f113f3e MC |
403 | # define ASN1_ADB(name) \ |
404 | static const ASN1_ADB_TABLE name##_adbtbl[] | |
405 | ||
211da00b | 406 | # define ASN1_ADB_END(name, flags, field, adb_cb, def, none) \ |
0f113f3e MC |
407 | ;\ |
408 | static const ASN1_ITEM *name##_adb(void) \ | |
409 | { \ | |
410 | static const ASN1_ADB internal_adb = \ | |
411 | {\ | |
412 | flags,\ | |
413 | offsetof(name, field),\ | |
5b70372d | 414 | adb_cb,\ |
0f113f3e MC |
415 | name##_adbtbl,\ |
416 | sizeof(name##_adbtbl) / sizeof(ASN1_ADB_TABLE),\ | |
417 | def,\ | |
418 | none\ | |
419 | }; \ | |
420 | return (const ASN1_ITEM *) &internal_adb; \ | |
421 | } \ | |
422 | void dummy_function(void) | |
423 | ||
0f113f3e MC |
424 | # define ADB_ENTRY(val, template) {val, template} |
425 | ||
426 | # define ASN1_ADB_TEMPLATE(name) \ | |
427 | static const ASN1_TEMPLATE name##_tt | |
428 | ||
429 | /* | |
430 | * This is the ASN1 template structure that defines a wrapper round the | |
431 | * actual type. It determines the actual position of the field in the value | |
432 | * structure, various flags such as OPTIONAL and the field name. | |
9d6b1ce6 DSH |
433 | */ |
434 | ||
435 | struct ASN1_TEMPLATE_st { | |
0f113f3e MC |
436 | unsigned long flags; /* Various flags */ |
437 | long tag; /* tag, not used if no tagging */ | |
438 | unsigned long offset; /* Offset of this field in structure */ | |
0f113f3e | 439 | const char *field_name; /* Field name */ |
0f113f3e | 440 | ASN1_ITEM_EXP *item; /* Relevant ASN1_ITEM or ASN1_ADB */ |
9d6b1ce6 DSH |
441 | }; |
442 | ||
bb5ea36b DSH |
443 | /* Macro to extract ASN1_ITEM and ASN1_ADB pointer from ASN1_TEMPLATE */ |
444 | ||
0f113f3e MC |
445 | # define ASN1_TEMPLATE_item(t) (t->item_ptr) |
446 | # define ASN1_TEMPLATE_adb(t) (t->item_ptr) | |
9d6b1ce6 DSH |
447 | |
448 | typedef struct ASN1_ADB_TABLE_st ASN1_ADB_TABLE; | |
449 | typedef struct ASN1_ADB_st ASN1_ADB; | |
450 | ||
451 | struct ASN1_ADB_st { | |
0f113f3e MC |
452 | unsigned long flags; /* Various flags */ |
453 | unsigned long offset; /* Offset of selector field */ | |
5b70372d | 454 | int (*adb_cb)(long *psel); /* Application callback */ |
0f113f3e MC |
455 | const ASN1_ADB_TABLE *tbl; /* Table of possible types */ |
456 | long tblcount; /* Number of entries in tbl */ | |
457 | const ASN1_TEMPLATE *default_tt; /* Type to use if no match */ | |
458 | const ASN1_TEMPLATE *null_tt; /* Type to use if selector is NULL */ | |
9d6b1ce6 DSH |
459 | }; |
460 | ||
461 | struct ASN1_ADB_TABLE_st { | |
0f113f3e MC |
462 | long value; /* NID for an object or value for an int */ |
463 | const ASN1_TEMPLATE tt; /* item for this value */ | |
9d6b1ce6 DSH |
464 | }; |
465 | ||
466 | /* template flags */ | |
467 | ||
468 | /* Field is optional */ | |
0f113f3e | 469 | # define ASN1_TFLG_OPTIONAL (0x1) |
9d6b1ce6 DSH |
470 | |
471 | /* Field is a SET OF */ | |
0f113f3e | 472 | # define ASN1_TFLG_SET_OF (0x1 << 1) |
9d6b1ce6 DSH |
473 | |
474 | /* Field is a SEQUENCE OF */ | |
0f113f3e | 475 | # define ASN1_TFLG_SEQUENCE_OF (0x2 << 1) |
9d6b1ce6 | 476 | |
0f113f3e MC |
477 | /* |
478 | * Special case: this refers to a SET OF that will be sorted into DER order | |
479 | * when encoded *and* the corresponding STACK will be modified to match the | |
480 | * new order. | |
06db4253 | 481 | */ |
0f113f3e | 482 | # define ASN1_TFLG_SET_ORDER (0x3 << 1) |
06db4253 DSH |
483 | |
484 | /* Mask for SET OF or SEQUENCE OF */ | |
0f113f3e | 485 | # define ASN1_TFLG_SK_MASK (0x3 << 1) |
9d6b1ce6 | 486 | |
0f113f3e MC |
487 | /* |
488 | * These flags mean the tag should be taken from the tag field. If EXPLICIT | |
489 | * then the underlying type is used for the inner tag. | |
9d6b1ce6 DSH |
490 | */ |
491 | ||
492 | /* IMPLICIT tagging */ | |
0f113f3e | 493 | # define ASN1_TFLG_IMPTAG (0x1 << 3) |
9d6b1ce6 DSH |
494 | |
495 | /* EXPLICIT tagging, inner tag from underlying type */ | |
0f113f3e | 496 | # define ASN1_TFLG_EXPTAG (0x2 << 3) |
9d6b1ce6 | 497 | |
0f113f3e | 498 | # define ASN1_TFLG_TAG_MASK (0x3 << 3) |
9d6b1ce6 DSH |
499 | |
500 | /* context specific IMPLICIT */ | |
37659ea4 | 501 | # define ASN1_TFLG_IMPLICIT (ASN1_TFLG_IMPTAG|ASN1_TFLG_CONTEXT) |
9d6b1ce6 DSH |
502 | |
503 | /* context specific EXPLICIT */ | |
37659ea4 | 504 | # define ASN1_TFLG_EXPLICIT (ASN1_TFLG_EXPTAG|ASN1_TFLG_CONTEXT) |
9d6b1ce6 | 505 | |
0f113f3e MC |
506 | /* |
507 | * If tagging is in force these determine the type of tag to use. Otherwise | |
508 | * the tag is determined by the underlying type. These values reflect the | |
509 | * actual octet format. | |
9d6b1ce6 DSH |
510 | */ |
511 | ||
0f113f3e MC |
512 | /* Universal tag */ |
513 | # define ASN1_TFLG_UNIVERSAL (0x0<<6) | |
514 | /* Application tag */ | |
515 | # define ASN1_TFLG_APPLICATION (0x1<<6) | |
516 | /* Context specific tag */ | |
517 | # define ASN1_TFLG_CONTEXT (0x2<<6) | |
518 | /* Private tag */ | |
519 | # define ASN1_TFLG_PRIVATE (0x3<<6) | |
9d6b1ce6 | 520 | |
0f113f3e | 521 | # define ASN1_TFLG_TAG_CLASS (0x3<<6) |
9d6b1ce6 | 522 | |
0f113f3e MC |
523 | /* |
524 | * These are for ANY DEFINED BY type. In this case the 'item' field points to | |
525 | * an ASN1_ADB structure which contains a table of values to decode the | |
9d6b1ce6 DSH |
526 | * relevant type |
527 | */ | |
528 | ||
0f113f3e | 529 | # define ASN1_TFLG_ADB_MASK (0x3<<8) |
9d6b1ce6 | 530 | |
0f113f3e | 531 | # define ASN1_TFLG_ADB_OID (0x1<<8) |
9d6b1ce6 | 532 | |
0f113f3e | 533 | # define ASN1_TFLG_ADB_INT (0x1<<9) |
9d6b1ce6 | 534 | |
0f113f3e MC |
535 | /* |
536 | * This flag when present in a SEQUENCE OF, SET OF or EXPLICIT causes | |
537 | * indefinite length constructed encoding to be used if required. | |
230fd6b7 DSH |
538 | */ |
539 | ||
0f113f3e | 540 | # define ASN1_TFLG_NDEF (0x1<<11) |
230fd6b7 | 541 | |
de17bd5d DSH |
542 | /* Field is embedded and not a pointer */ |
543 | # define ASN1_TFLG_EMBED (0x1 << 12) | |
544 | ||
9d6b1ce6 DSH |
545 | /* This is the actual ASN1 item itself */ |
546 | ||
547 | struct ASN1_ITEM_st { | |
0f113f3e MC |
548 | char itype; /* The item type, primitive, SEQUENCE, CHOICE |
549 | * or extern */ | |
550 | long utype; /* underlying type */ | |
551 | const ASN1_TEMPLATE *templates; /* If SEQUENCE or CHOICE this contains | |
552 | * the contents */ | |
553 | long tcount; /* Number of templates if SEQUENCE or CHOICE */ | |
554 | const void *funcs; /* functions that handle this type */ | |
555 | long size; /* Structure size (usually) */ | |
0f113f3e | 556 | const char *sname; /* Structure name */ |
9d6b1ce6 DSH |
557 | }; |
558 | ||
c80fd6b2 MC |
559 | /*- |
560 | * These are values for the itype field and | |
9d6b1ce6 DSH |
561 | * determine how the type is interpreted. |
562 | * | |
563 | * For PRIMITIVE types the underlying type | |
564 | * determines the behaviour if items is NULL. | |
565 | * | |
0f113f3e | 566 | * Otherwise templates must contain a single |
9d6b1ce6 DSH |
567 | * template and the type is treated in the |
568 | * same way as the type specified in the template. | |
569 | * | |
570 | * For SEQUENCE types the templates field points | |
571 | * to the members, the size field is the | |
572 | * structure size. | |
573 | * | |
574 | * For CHOICE types the templates field points | |
575 | * to each possible member (typically a union) | |
576 | * and the 'size' field is the offset of the | |
577 | * selector. | |
578 | * | |
579 | * The 'funcs' field is used for application | |
0f113f3e | 580 | * specific functions. |
9d6b1ce6 | 581 | * |
9d6b1ce6 DSH |
582 | * The EXTERN type uses a new style d2i/i2d. |
583 | * The new style should be used where possible | |
584 | * because it avoids things like the d2i IMPLICIT | |
585 | * hack. | |
586 | * | |
587 | * MSTRING is a multiple string type, it is used | |
588 | * for a CHOICE of character strings where the | |
589 | * actual strings all occupy an ASN1_STRING | |
590 | * structure. In this case the 'utype' field | |
591 | * has a special meaning, it is used as a mask | |
592 | * of acceptable types using the B_ASN1 constants. | |
593 | * | |
230fd6b7 DSH |
594 | * NDEF_SEQUENCE is the same as SEQUENCE except |
595 | * that it will use indefinite length constructed | |
596 | * encoding if requested. | |
597 | * | |
9d6b1ce6 DSH |
598 | */ |
599 | ||
0f113f3e | 600 | # define ASN1_ITYPE_PRIMITIVE 0x0 |
230fd6b7 | 601 | |
0f113f3e | 602 | # define ASN1_ITYPE_SEQUENCE 0x1 |
9d6b1ce6 | 603 | |
0f113f3e | 604 | # define ASN1_ITYPE_CHOICE 0x2 |
9d6b1ce6 | 605 | |
0f113f3e | 606 | # define ASN1_ITYPE_EXTERN 0x4 |
9d6b1ce6 | 607 | |
0f113f3e | 608 | # define ASN1_ITYPE_MSTRING 0x5 |
9d6b1ce6 | 609 | |
0f113f3e | 610 | # define ASN1_ITYPE_NDEF_SEQUENCE 0x6 |
9d6b1ce6 | 611 | |
0f113f3e MC |
612 | /* |
613 | * Cache for ASN1 tag and length, so we don't keep re-reading it for things | |
9d6b1ce6 DSH |
614 | * like CHOICE |
615 | */ | |
616 | ||
0f113f3e MC |
617 | struct ASN1_TLC_st { |
618 | char valid; /* Values below are valid */ | |
619 | int ret; /* return value */ | |
620 | long plen; /* length */ | |
621 | int ptag; /* class value */ | |
622 | int pclass; /* class value */ | |
623 | int hdrlen; /* header length */ | |
9d6b1ce6 DSH |
624 | }; |
625 | ||
626 | /* Typedefs for ASN1 function pointers */ | |
0f113f3e MC |
627 | typedef int ASN1_ex_d2i(ASN1_VALUE **pval, const unsigned char **in, long len, |
628 | const ASN1_ITEM *it, int tag, int aclass, char opt, | |
629 | ASN1_TLC *ctx); | |
9d6b1ce6 | 630 | |
9fdcc21f | 631 | typedef int ASN1_ex_i2d(const ASN1_VALUE **pval, unsigned char **out, |
0f113f3e | 632 | const ASN1_ITEM *it, int tag, int aclass); |
9d6b1ce6 DSH |
633 | typedef int ASN1_ex_new_func(ASN1_VALUE **pval, const ASN1_ITEM *it); |
634 | typedef void ASN1_ex_free_func(ASN1_VALUE **pval, const ASN1_ITEM *it); | |
635 | ||
9fdcc21f | 636 | typedef int ASN1_ex_print_func(BIO *out, const ASN1_VALUE **pval, |
0f113f3e MC |
637 | int indent, const char *fname, |
638 | const ASN1_PCTX *pctx); | |
1ef7acfe | 639 | |
9fdcc21f | 640 | typedef int ASN1_primitive_i2c(const ASN1_VALUE **pval, unsigned char *cont, |
0f113f3e MC |
641 | int *putype, const ASN1_ITEM *it); |
642 | typedef int ASN1_primitive_c2i(ASN1_VALUE **pval, const unsigned char *cont, | |
643 | int len, int utype, char *free_cont, | |
644 | const ASN1_ITEM *it); | |
9fdcc21f | 645 | typedef int ASN1_primitive_print(BIO *out, const ASN1_VALUE **pval, |
0f113f3e MC |
646 | const ASN1_ITEM *it, int indent, |
647 | const ASN1_PCTX *pctx); | |
9d6b1ce6 | 648 | |
9d6b1ce6 | 649 | typedef struct ASN1_EXTERN_FUNCS_st { |
0f113f3e MC |
650 | void *app_data; |
651 | ASN1_ex_new_func *asn1_ex_new; | |
652 | ASN1_ex_free_func *asn1_ex_free; | |
653 | ASN1_ex_free_func *asn1_ex_clear; | |
654 | ASN1_ex_d2i *asn1_ex_d2i; | |
655 | ASN1_ex_i2d *asn1_ex_i2d; | |
656 | ASN1_ex_print_func *asn1_ex_print; | |
9d6b1ce6 DSH |
657 | } ASN1_EXTERN_FUNCS; |
658 | ||
659 | typedef struct ASN1_PRIMITIVE_FUNCS_st { | |
0f113f3e MC |
660 | void *app_data; |
661 | unsigned long flags; | |
662 | ASN1_ex_new_func *prim_new; | |
663 | ASN1_ex_free_func *prim_free; | |
664 | ASN1_ex_free_func *prim_clear; | |
665 | ASN1_primitive_c2i *prim_c2i; | |
666 | ASN1_primitive_i2c *prim_i2c; | |
667 | ASN1_primitive_print *prim_print; | |
9d6b1ce6 DSH |
668 | } ASN1_PRIMITIVE_FUNCS; |
669 | ||
0f113f3e MC |
670 | /* |
671 | * This is the ASN1_AUX structure: it handles various miscellaneous | |
672 | * requirements. For example the use of reference counts and an informational | |
673 | * callback. The "informational callback" is called at various points during | |
674 | * the ASN1 encoding and decoding. It can be used to provide minor | |
675 | * customisation of the structures used. This is most useful where the | |
676 | * supplied routines *almost* do the right thing but need some extra help at | |
677 | * a few points. If the callback returns zero then it is assumed a fatal | |
678 | * error has occurred and the main operation should be abandoned. If major | |
679 | * changes in the default behaviour are required then an external type is | |
680 | * more appropriate. | |
9fdcc21f DO |
681 | * For the operations ASN1_OP_I2D_PRE, ASN1_OP_I2D_POST, ASN1_OP_PRINT_PRE, and |
682 | * ASN1_OP_PRINT_POST, meanwhile a variant of the callback with const parameter | |
683 | * 'in' is provided to make clear statically that its input is not modified. If | |
684 | * and only if this variant is in use the flag ASN1_AFLG_CONST_CB must be set. | |
9d6b1ce6 DSH |
685 | */ |
686 | ||
24484759 | 687 | typedef int ASN1_aux_cb(int operation, ASN1_VALUE **in, const ASN1_ITEM *it, |
0f113f3e | 688 | void *exarg); |
9fdcc21f DO |
689 | typedef int ASN1_aux_const_cb(int operation, const ASN1_VALUE **in, |
690 | const ASN1_ITEM *it, void *exarg); | |
9d6b1ce6 DSH |
691 | |
692 | typedef struct ASN1_AUX_st { | |
0f113f3e MC |
693 | void *app_data; |
694 | int flags; | |
695 | int ref_offset; /* Offset of reference value */ | |
696 | int ref_lock; /* Lock type to use */ | |
697 | ASN1_aux_cb *asn1_cb; | |
698 | int enc_offset; /* Offset of ASN1_ENCODING structure */ | |
9fdcc21f | 699 | ASN1_aux_const_cb *asn1_const_cb; /* for ASN1_OP_I2D_ and ASN1_OP_PRINT_ */ |
9d6b1ce6 DSH |
700 | } ASN1_AUX; |
701 | ||
24484759 DSH |
702 | /* For print related callbacks exarg points to this structure */ |
703 | typedef struct ASN1_PRINT_ARG_st { | |
0f113f3e MC |
704 | BIO *out; |
705 | int indent; | |
706 | const ASN1_PCTX *pctx; | |
24484759 DSH |
707 | } ASN1_PRINT_ARG; |
708 | ||
8931b30d DSH |
709 | /* For streaming related callbacks exarg points to this structure */ |
710 | typedef struct ASN1_STREAM_ARG_st { | |
0f113f3e MC |
711 | /* BIO to stream through */ |
712 | BIO *out; | |
713 | /* BIO with filters appended */ | |
714 | BIO *ndef_bio; | |
715 | /* Streaming I/O boundary */ | |
716 | unsigned char **boundary; | |
8931b30d DSH |
717 | } ASN1_STREAM_ARG; |
718 | ||
9d6b1ce6 DSH |
719 | /* Flags in ASN1_AUX */ |
720 | ||
721 | /* Use a reference count */ | |
0f113f3e | 722 | # define ASN1_AFLG_REFCOUNT 1 |
9d6b1ce6 | 723 | /* Save the encoding of structure (useful for signatures) */ |
0f113f3e | 724 | # define ASN1_AFLG_ENCODING 2 |
9d6b1ce6 | 725 | /* The Sequence length is invalid */ |
0f113f3e | 726 | # define ASN1_AFLG_BROKEN 4 |
9fdcc21f DO |
727 | /* Use the new asn1_const_cb */ |
728 | # define ASN1_AFLG_CONST_CB 8 | |
9d6b1ce6 DSH |
729 | |
730 | /* operation values for asn1_cb */ | |
731 | ||
0f113f3e MC |
732 | # define ASN1_OP_NEW_PRE 0 |
733 | # define ASN1_OP_NEW_POST 1 | |
734 | # define ASN1_OP_FREE_PRE 2 | |
735 | # define ASN1_OP_FREE_POST 3 | |
736 | # define ASN1_OP_D2I_PRE 4 | |
737 | # define ASN1_OP_D2I_POST 5 | |
738 | # define ASN1_OP_I2D_PRE 6 | |
739 | # define ASN1_OP_I2D_POST 7 | |
740 | # define ASN1_OP_PRINT_PRE 8 | |
741 | # define ASN1_OP_PRINT_POST 9 | |
742 | # define ASN1_OP_STREAM_PRE 10 | |
743 | # define ASN1_OP_STREAM_POST 11 | |
744 | # define ASN1_OP_DETACHED_PRE 12 | |
745 | # define ASN1_OP_DETACHED_POST 13 | |
9d6b1ce6 DSH |
746 | |
747 | /* Macro to implement a primitive type */ | |
0f113f3e MC |
748 | # define IMPLEMENT_ASN1_TYPE(stname) IMPLEMENT_ASN1_TYPE_ex(stname, stname, 0) |
749 | # define IMPLEMENT_ASN1_TYPE_ex(itname, vname, ex) \ | |
750 | ASN1_ITEM_start(itname) \ | |
751 | ASN1_ITYPE_PRIMITIVE, V_##vname, NULL, 0, NULL, ex, #itname \ | |
752 | ASN1_ITEM_end(itname) | |
9d6b1ce6 DSH |
753 | |
754 | /* Macro to implement a multi string type */ | |
0f113f3e MC |
755 | # define IMPLEMENT_ASN1_MSTRING(itname, mask) \ |
756 | ASN1_ITEM_start(itname) \ | |
757 | ASN1_ITYPE_MSTRING, mask, NULL, 0, NULL, sizeof(ASN1_STRING), #itname \ | |
758 | ASN1_ITEM_end(itname) | |
9d6b1ce6 | 759 | |
0f113f3e MC |
760 | # define IMPLEMENT_EXTERN_ASN1(sname, tag, fptrs) \ |
761 | ASN1_ITEM_start(sname) \ | |
762 | ASN1_ITYPE_EXTERN, \ | |
763 | tag, \ | |
764 | NULL, \ | |
765 | 0, \ | |
766 | &fptrs, \ | |
767 | 0, \ | |
768 | #sname \ | |
769 | ASN1_ITEM_end(sname) | |
9d6b1ce6 DSH |
770 | |
771 | /* Macro to implement standard functions in terms of ASN1_ITEM structures */ | |
772 | ||
0f113f3e MC |
773 | # define IMPLEMENT_ASN1_FUNCTIONS(stname) IMPLEMENT_ASN1_FUNCTIONS_fname(stname, stname, stname) |
774 | ||
775 | # define IMPLEMENT_ASN1_FUNCTIONS_name(stname, itname) IMPLEMENT_ASN1_FUNCTIONS_fname(stname, itname, itname) | |
776 | ||
777 | # define IMPLEMENT_ASN1_FUNCTIONS_ENCODE_name(stname, itname) \ | |
778 | IMPLEMENT_ASN1_FUNCTIONS_ENCODE_fname(stname, itname, itname) | |
779 | ||
780 | # define IMPLEMENT_STATIC_ASN1_ALLOC_FUNCTIONS(stname) \ | |
781 | IMPLEMENT_ASN1_ALLOC_FUNCTIONS_pfname(static, stname, stname, stname) | |
782 | ||
783 | # define IMPLEMENT_ASN1_ALLOC_FUNCTIONS(stname) \ | |
784 | IMPLEMENT_ASN1_ALLOC_FUNCTIONS_fname(stname, stname, stname) | |
785 | ||
786 | # define IMPLEMENT_ASN1_ALLOC_FUNCTIONS_pfname(pre, stname, itname, fname) \ | |
787 | pre stname *fname##_new(void) \ | |
788 | { \ | |
789 | return (stname *)ASN1_item_new(ASN1_ITEM_rptr(itname)); \ | |
790 | } \ | |
791 | pre void fname##_free(stname *a) \ | |
792 | { \ | |
793 | ASN1_item_free((ASN1_VALUE *)a, ASN1_ITEM_rptr(itname)); \ | |
794 | } | |
795 | ||
796 | # define IMPLEMENT_ASN1_ALLOC_FUNCTIONS_fname(stname, itname, fname) \ | |
797 | stname *fname##_new(void) \ | |
798 | { \ | |
799 | return (stname *)ASN1_item_new(ASN1_ITEM_rptr(itname)); \ | |
800 | } \ | |
801 | void fname##_free(stname *a) \ | |
802 | { \ | |
803 | ASN1_item_free((ASN1_VALUE *)a, ASN1_ITEM_rptr(itname)); \ | |
804 | } | |
805 | ||
806 | # define IMPLEMENT_ASN1_FUNCTIONS_fname(stname, itname, fname) \ | |
807 | IMPLEMENT_ASN1_ENCODE_FUNCTIONS_fname(stname, itname, fname) \ | |
808 | IMPLEMENT_ASN1_ALLOC_FUNCTIONS_fname(stname, itname, fname) | |
809 | ||
810 | # define IMPLEMENT_ASN1_ENCODE_FUNCTIONS_fname(stname, itname, fname) \ | |
811 | stname *d2i_##fname(stname **a, const unsigned char **in, long len) \ | |
812 | { \ | |
813 | return (stname *)ASN1_item_d2i((ASN1_VALUE **)a, in, len, ASN1_ITEM_rptr(itname));\ | |
814 | } \ | |
9fdcc21f | 815 | int i2d_##fname(const stname *a, unsigned char **out) \ |
0f113f3e MC |
816 | { \ |
817 | return ASN1_item_i2d((ASN1_VALUE *)a, out, ASN1_ITEM_rptr(itname));\ | |
818 | } | |
819 | ||
820 | # define IMPLEMENT_ASN1_NDEF_FUNCTION(stname) \ | |
9fdcc21f | 821 | int i2d_##stname##_NDEF(const stname *a, unsigned char **out) \ |
0f113f3e MC |
822 | { \ |
823 | return ASN1_item_ndef_i2d((ASN1_VALUE *)a, out, ASN1_ITEM_rptr(stname));\ | |
824 | } | |
825 | ||
4fb6b0de DSH |
826 | # define IMPLEMENT_STATIC_ASN1_ENCODE_FUNCTIONS(stname) \ |
827 | static stname *d2i_##stname(stname **a, \ | |
828 | const unsigned char **in, long len) \ | |
829 | { \ | |
830 | return (stname *)ASN1_item_d2i((ASN1_VALUE **)a, in, len, \ | |
831 | ASN1_ITEM_rptr(stname)); \ | |
832 | } \ | |
9fdcc21f | 833 | static int i2d_##stname(const stname *a, unsigned char **out) \ |
4fb6b0de DSH |
834 | { \ |
835 | return ASN1_item_i2d((ASN1_VALUE *)a, out, \ | |
836 | ASN1_ITEM_rptr(stname)); \ | |
837 | } | |
838 | ||
0f113f3e | 839 | # define IMPLEMENT_ASN1_DUP_FUNCTION(stname) \ |
9fdcc21f | 840 | stname * stname##_dup(const stname *x) \ |
1241126a DSH |
841 | { \ |
842 | return ASN1_item_dup(ASN1_ITEM_rptr(stname), x); \ | |
843 | } | |
844 | ||
0f113f3e MC |
845 | # define IMPLEMENT_ASN1_PRINT_FUNCTION(stname) \ |
846 | IMPLEMENT_ASN1_PRINT_FUNCTION_fname(stname, stname, stname) | |
9194296d | 847 | |
0f113f3e | 848 | # define IMPLEMENT_ASN1_PRINT_FUNCTION_fname(stname, itname, fname) \ |
9fdcc21f | 849 | int fname##_print_ctx(BIO *out, const stname *x, int indent, \ |
0f113f3e MC |
850 | const ASN1_PCTX *pctx) \ |
851 | { \ | |
852 | return ASN1_item_print(out, (ASN1_VALUE *)x, indent, \ | |
853 | ASN1_ITEM_rptr(itname), pctx); \ | |
854 | } | |
9194296d | 855 | |
9d6b1ce6 DSH |
856 | /* external definitions for primitive types */ |
857 | ||
bb5ea36b DSH |
858 | DECLARE_ASN1_ITEM(ASN1_BOOLEAN) |
859 | DECLARE_ASN1_ITEM(ASN1_TBOOLEAN) | |
860 | DECLARE_ASN1_ITEM(ASN1_FBOOLEAN) | |
bb5ea36b DSH |
861 | DECLARE_ASN1_ITEM(ASN1_SEQUENCE) |
862 | DECLARE_ASN1_ITEM(CBIGNUM) | |
863 | DECLARE_ASN1_ITEM(BIGNUM) | |
64f11ee8 RL |
864 | DECLARE_ASN1_ITEM(INT32) |
865 | DECLARE_ASN1_ITEM(ZINT32) | |
866 | DECLARE_ASN1_ITEM(UINT32) | |
867 | DECLARE_ASN1_ITEM(ZUINT32) | |
868 | DECLARE_ASN1_ITEM(INT64) | |
869 | DECLARE_ASN1_ITEM(ZINT64) | |
870 | DECLARE_ASN1_ITEM(UINT64) | |
871 | DECLARE_ASN1_ITEM(ZUINT64) | |
7eb4c1eb | 872 | |
936c2b9e | 873 | # ifndef OPENSSL_NO_DEPRECATED_3_0 |
7eb4c1eb RL |
874 | /* |
875 | * LONG and ZLONG are strongly discouraged for use as stored data, as the | |
876 | * underlying C type (long) differs in size depending on the architecture. | |
877 | * They are designed with 32-bit longs in mind. | |
878 | */ | |
bb5ea36b DSH |
879 | DECLARE_ASN1_ITEM(LONG) |
880 | DECLARE_ASN1_ITEM(ZLONG) | |
7eb4c1eb | 881 | # endif |
9d6b1ce6 | 882 | |
85885715 | 883 | DEFINE_STACK_OF(ASN1_VALUE) |
9d6b1ce6 DSH |
884 | |
885 | /* Functions used internally by the ASN1 code */ | |
886 | ||
887 | int ASN1_item_ex_new(ASN1_VALUE **pval, const ASN1_ITEM *it); | |
888 | void ASN1_item_ex_free(ASN1_VALUE **pval, const ASN1_ITEM *it); | |
9d6b1ce6 | 889 | |
0f113f3e MC |
890 | int ASN1_item_ex_d2i(ASN1_VALUE **pval, const unsigned char **in, long len, |
891 | const ASN1_ITEM *it, int tag, int aclass, char opt, | |
892 | ASN1_TLC *ctx); | |
893 | ||
9fdcc21f | 894 | int ASN1_item_ex_i2d(const ASN1_VALUE **pval, unsigned char **out, |
0f113f3e | 895 | const ASN1_ITEM *it, int tag, int aclass); |
9d6b1ce6 | 896 | |
9fdcc21f DO |
897 | /* Legacy compatibility */ |
898 | # define IMPLEMENT_ASN1_FUNCTIONS_const(name) IMPLEMENT_ASN1_FUNCTIONS(name) | |
899 | # define IMPLEMENT_ASN1_ENCODE_FUNCTIONS_const_fname(stname, itname, fname) \ | |
900 | IMPLEMENT_ASN1_ENCODE_FUNCTIONS_fname(stname, itname, fname) | |
901 | ||
9d6b1ce6 DSH |
902 | #ifdef __cplusplus |
903 | } | |
904 | #endif | |
905 | #endif |