if_iwm - Recognize IWM_FW_PAGING_BLOCK_CMD wide cmd response correctly.
[dragonfly.git] / crypto / openssl / crypto / asn1 / ameth_lib.c
CommitLineData
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1/*
2 * Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL project
3 * 2006.
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4 */
5/* ====================================================================
6 * Copyright (c) 2006 The OpenSSL Project. All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 *
12 * 1. Redistributions of source code must retain the above copyright
9eaaad39 13 * notice, this list of conditions and the following disclaimer.
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14 *
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in
17 * the documentation and/or other materials provided with the
18 * distribution.
19 *
20 * 3. All advertising materials mentioning features or use of this
21 * software must display the following acknowledgment:
22 * "This product includes software developed by the OpenSSL Project
23 * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
24 *
25 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
26 * endorse or promote products derived from this software without
27 * prior written permission. For written permission, please contact
28 * licensing@OpenSSL.org.
29 *
30 * 5. Products derived from this software may not be called "OpenSSL"
31 * nor may "OpenSSL" appear in their names without prior written
32 * permission of the OpenSSL Project.
33 *
34 * 6. Redistributions of any form whatsoever must retain the following
35 * acknowledgment:
36 * "This product includes software developed by the OpenSSL Project
37 * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
38 *
39 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
40 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
41 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
42 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
43 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
44 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
45 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
46 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
47 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
48 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
49 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
50 * OF THE POSSIBILITY OF SUCH DAMAGE.
51 * ====================================================================
52 *
53 * This product includes cryptographic software written by Eric Young
54 * (eay@cryptsoft.com). This product includes software written by Tim
55 * Hudson (tjh@cryptsoft.com).
56 *
57 */
58
59#include <stdio.h>
60#include "cryptlib.h"
61#include <openssl/asn1t.h>
62#include <openssl/x509.h>
63#ifndef OPENSSL_NO_ENGINE
9eaaad39 64# include <openssl/engine.h>
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65#endif
66#include "asn1_locl.h"
67
68extern const EVP_PKEY_ASN1_METHOD rsa_asn1_meths[];
69extern const EVP_PKEY_ASN1_METHOD dsa_asn1_meths[];
70extern const EVP_PKEY_ASN1_METHOD dh_asn1_meth;
5adaeadc 71extern const EVP_PKEY_ASN1_METHOD dhx_asn1_meth;
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72extern const EVP_PKEY_ASN1_METHOD eckey_asn1_meth;
73extern const EVP_PKEY_ASN1_METHOD hmac_asn1_meth;
672590bc 74extern const EVP_PKEY_ASN1_METHOD cmac_asn1_meth;
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75
76/* Keep this sorted in type order !! */
9eaaad39 77static const EVP_PKEY_ASN1_METHOD *standard_methods[] = {
919b01cc 78#ifndef OPENSSL_NO_RSA
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79 &rsa_asn1_meths[0],
80 &rsa_asn1_meths[1],
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81#endif
82#ifndef OPENSSL_NO_DH
9eaaad39 83 &dh_asn1_meth,
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84#endif
85#ifndef OPENSSL_NO_DSA
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86 &dsa_asn1_meths[0],
87 &dsa_asn1_meths[1],
88 &dsa_asn1_meths[2],
89 &dsa_asn1_meths[3],
90 &dsa_asn1_meths[4],
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91#endif
92#ifndef OPENSSL_NO_EC
9eaaad39 93 &eckey_asn1_meth,
919b01cc 94#endif
9eaaad39 95 &hmac_asn1_meth,
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96 &cmac_asn1_meth,
97#ifndef OPENSSL_NO_DH
98 &dhx_asn1_meth
99#endif
9eaaad39 100};
919b01cc 101
9eaaad39 102typedef int sk_cmp_fn_type(const char *const *a, const char *const *b);
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103DECLARE_STACK_OF(EVP_PKEY_ASN1_METHOD)
104static STACK_OF(EVP_PKEY_ASN1_METHOD) *app_methods = NULL;
105
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106#ifdef TEST
107void main()
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108{
109 int i;
110 for (i = 0;
111 i < sizeof(standard_methods) / sizeof(EVP_PKEY_ASN1_METHOD *); i++)
112 fprintf(stderr, "Number %d id=%d (%s)\n", i,
113 standard_methods[i]->pkey_id,
114 OBJ_nid2sn(standard_methods[i]->pkey_id));
115}
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116#endif
117
118DECLARE_OBJ_BSEARCH_CMP_FN(const EVP_PKEY_ASN1_METHOD *,
9eaaad39 119 const EVP_PKEY_ASN1_METHOD *, ameth);
919b01cc 120
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121static int ameth_cmp(const EVP_PKEY_ASN1_METHOD *const *a,
122 const EVP_PKEY_ASN1_METHOD *const *b)
123{
124 return ((*a)->pkey_id - (*b)->pkey_id);
125}
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126
127IMPLEMENT_OBJ_BSEARCH_CMP_FN(const EVP_PKEY_ASN1_METHOD *,
9eaaad39 128 const EVP_PKEY_ASN1_METHOD *, ameth);
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129
130int EVP_PKEY_asn1_get_count(void)
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131{
132 int num = sizeof(standard_methods) / sizeof(EVP_PKEY_ASN1_METHOD *);
133 if (app_methods)
134 num += sk_EVP_PKEY_ASN1_METHOD_num(app_methods);
135 return num;
136}
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137
138const EVP_PKEY_ASN1_METHOD *EVP_PKEY_asn1_get0(int idx)
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139{
140 int num = sizeof(standard_methods) / sizeof(EVP_PKEY_ASN1_METHOD *);
141 if (idx < 0)
142 return NULL;
143 if (idx < num)
144 return standard_methods[idx];
145 idx -= num;
146 return sk_EVP_PKEY_ASN1_METHOD_value(app_methods, idx);
147}
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148
149static const EVP_PKEY_ASN1_METHOD *pkey_asn1_find(int type)
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150{
151 EVP_PKEY_ASN1_METHOD tmp;
152 const EVP_PKEY_ASN1_METHOD *t = &tmp, **ret;
153 tmp.pkey_id = type;
154 if (app_methods) {
155 int idx;
156 idx = sk_EVP_PKEY_ASN1_METHOD_find(app_methods, &tmp);
157 if (idx >= 0)
158 return sk_EVP_PKEY_ASN1_METHOD_value(app_methods, idx);
159 }
160 ret = OBJ_bsearch_ameth(&t, standard_methods, sizeof(standard_methods)
161 / sizeof(EVP_PKEY_ASN1_METHOD *));
162 if (!ret || !*ret)
163 return NULL;
164 return *ret;
165}
166
167/*
168 * Find an implementation of an ASN1 algorithm. If 'pe' is not NULL also
169 * search through engines and set *pe to a functional reference to the engine
170 * implementing 'type' or NULL if no engine implements it.
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171 */
172
173const EVP_PKEY_ASN1_METHOD *EVP_PKEY_asn1_find(ENGINE **pe, int type)
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174{
175 const EVP_PKEY_ASN1_METHOD *t;
176
177 for (;;) {
178 t = pkey_asn1_find(type);
179 if (!t || !(t->pkey_flags & ASN1_PKEY_ALIAS))
180 break;
181 type = t->pkey_base_id;
182 }
183 if (pe) {
919b01cc 184#ifndef OPENSSL_NO_ENGINE
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185 ENGINE *e;
186 /* type will contain the final unaliased type */
187 e = ENGINE_get_pkey_asn1_meth_engine(type);
188 if (e) {
189 *pe = e;
190 return ENGINE_get_pkey_asn1_meth(e, type);
191 }
919b01cc 192#endif
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193 *pe = NULL;
194 }
195 return t;
196}
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197
198const EVP_PKEY_ASN1_METHOD *EVP_PKEY_asn1_find_str(ENGINE **pe,
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199 const char *str, int len)
200{
201 int i;
202 const EVP_PKEY_ASN1_METHOD *ameth;
203 if (len == -1)
204 len = strlen(str);
205 if (pe) {
919b01cc 206#ifndef OPENSSL_NO_ENGINE
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207 ENGINE *e;
208 ameth = ENGINE_pkey_asn1_find_str(&e, str, len);
209 if (ameth) {
210 /*
211 * Convert structural into functional reference
212 */
213 if (!ENGINE_init(e))
214 ameth = NULL;
215 ENGINE_free(e);
216 *pe = e;
217 return ameth;
218 }
919b01cc 219#endif
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220 *pe = NULL;
221 }
222 for (i = 0; i < EVP_PKEY_asn1_get_count(); i++) {
223 ameth = EVP_PKEY_asn1_get0(i);
224 if (ameth->pkey_flags & ASN1_PKEY_ALIAS)
225 continue;
226 if (((int)strlen(ameth->pem_str) == len) &&
227 !strncasecmp(ameth->pem_str, str, len))
228 return ameth;
229 }
230 return NULL;
231}
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232
233int EVP_PKEY_asn1_add0(const EVP_PKEY_ASN1_METHOD *ameth)
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234{
235 if (app_methods == NULL) {
236 app_methods = sk_EVP_PKEY_ASN1_METHOD_new(ameth_cmp);
237 if (!app_methods)
238 return 0;
239 }
240 if (!sk_EVP_PKEY_ASN1_METHOD_push(app_methods, ameth))
241 return 0;
242 sk_EVP_PKEY_ASN1_METHOD_sort(app_methods);
243 return 1;
244}
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245
246int EVP_PKEY_asn1_add_alias(int to, int from)
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247{
248 EVP_PKEY_ASN1_METHOD *ameth;
249 ameth = EVP_PKEY_asn1_new(from, ASN1_PKEY_ALIAS, NULL, NULL);
250 if (!ameth)
251 return 0;
252 ameth->pkey_base_id = to;
253 if (!EVP_PKEY_asn1_add0(ameth)) {
254 EVP_PKEY_asn1_free(ameth);
255 return 0;
256 }
257 return 1;
258}
259
260int EVP_PKEY_asn1_get0_info(int *ppkey_id, int *ppkey_base_id,
261 int *ppkey_flags, const char **pinfo,
262 const char **ppem_str,
263 const EVP_PKEY_ASN1_METHOD *ameth)
264{
265 if (!ameth)
266 return 0;
267 if (ppkey_id)
268 *ppkey_id = ameth->pkey_id;
269 if (ppkey_base_id)
270 *ppkey_base_id = ameth->pkey_base_id;
271 if (ppkey_flags)
272 *ppkey_flags = ameth->pkey_flags;
273 if (pinfo)
274 *pinfo = ameth->info;
275 if (ppem_str)
276 *ppem_str = ameth->pem_str;
277 return 1;
278}
279
280const EVP_PKEY_ASN1_METHOD *EVP_PKEY_get0_asn1(EVP_PKEY *pkey)
281{
282 return pkey->ameth;
283}
284
285EVP_PKEY_ASN1_METHOD *EVP_PKEY_asn1_new(int id, int flags,
286 const char *pem_str, const char *info)
287{
288 EVP_PKEY_ASN1_METHOD *ameth;
289 ameth = OPENSSL_malloc(sizeof(EVP_PKEY_ASN1_METHOD));
290 if (!ameth)
291 return NULL;
292
293 memset(ameth, 0, sizeof(EVP_PKEY_ASN1_METHOD));
294
295 ameth->pkey_id = id;
296 ameth->pkey_base_id = id;
297 ameth->pkey_flags = flags | ASN1_PKEY_DYNAMIC;
298
299 if (info) {
300 ameth->info = BUF_strdup(info);
301 if (!ameth->info)
302 goto err;
303 } else
304 ameth->info = NULL;
305
306 if (pem_str) {
307 ameth->pem_str = BUF_strdup(pem_str);
308 if (!ameth->pem_str)
309 goto err;
310 } else
311 ameth->pem_str = NULL;
312
313 ameth->pub_decode = 0;
314 ameth->pub_encode = 0;
315 ameth->pub_cmp = 0;
316 ameth->pub_print = 0;
317
318 ameth->priv_decode = 0;
319 ameth->priv_encode = 0;
320 ameth->priv_print = 0;
321
322 ameth->old_priv_encode = 0;
323 ameth->old_priv_decode = 0;
324
325 ameth->item_verify = 0;
326 ameth->item_sign = 0;
327
328 ameth->pkey_size = 0;
329 ameth->pkey_bits = 0;
330
331 ameth->param_decode = 0;
332 ameth->param_encode = 0;
333 ameth->param_missing = 0;
334 ameth->param_copy = 0;
335 ameth->param_cmp = 0;
336 ameth->param_print = 0;
337
338 ameth->pkey_free = 0;
339 ameth->pkey_ctrl = 0;
340
341 return ameth;
342
343 err:
344
345 EVP_PKEY_asn1_free(ameth);
346 return NULL;
347
348}
349
350void EVP_PKEY_asn1_copy(EVP_PKEY_ASN1_METHOD *dst,
351 const EVP_PKEY_ASN1_METHOD *src)
352{
353
354 dst->pub_decode = src->pub_decode;
355 dst->pub_encode = src->pub_encode;
356 dst->pub_cmp = src->pub_cmp;
357 dst->pub_print = src->pub_print;
358
359 dst->priv_decode = src->priv_decode;
360 dst->priv_encode = src->priv_encode;
361 dst->priv_print = src->priv_print;
362
363 dst->old_priv_encode = src->old_priv_encode;
364 dst->old_priv_decode = src->old_priv_decode;
365
366 dst->pkey_size = src->pkey_size;
367 dst->pkey_bits = src->pkey_bits;
368
369 dst->param_decode = src->param_decode;
370 dst->param_encode = src->param_encode;
371 dst->param_missing = src->param_missing;
372 dst->param_copy = src->param_copy;
373 dst->param_cmp = src->param_cmp;
374 dst->param_print = src->param_print;
919b01cc 375
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376 dst->pkey_free = src->pkey_free;
377 dst->pkey_ctrl = src->pkey_ctrl;
919b01cc 378
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379 dst->item_sign = src->item_sign;
380 dst->item_verify = src->item_verify;
672590bc 381
9eaaad39 382}
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383
384void EVP_PKEY_asn1_free(EVP_PKEY_ASN1_METHOD *ameth)
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385{
386 if (ameth && (ameth->pkey_flags & ASN1_PKEY_DYNAMIC)) {
387 if (ameth->pem_str)
388 OPENSSL_free(ameth->pem_str);
389 if (ameth->info)
390 OPENSSL_free(ameth->info);
391 OPENSSL_free(ameth);
392 }
393}
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394
395void EVP_PKEY_asn1_set_public(EVP_PKEY_ASN1_METHOD *ameth,
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396 int (*pub_decode) (EVP_PKEY *pk,
397 X509_PUBKEY *pub),
398 int (*pub_encode) (X509_PUBKEY *pub,
399 const EVP_PKEY *pk),
400 int (*pub_cmp) (const EVP_PKEY *a,
401 const EVP_PKEY *b),
402 int (*pub_print) (BIO *out,
403 const EVP_PKEY *pkey,
404 int indent, ASN1_PCTX *pctx),
405 int (*pkey_size) (const EVP_PKEY *pk),
406 int (*pkey_bits) (const EVP_PKEY *pk))
407{
408 ameth->pub_decode = pub_decode;
409 ameth->pub_encode = pub_encode;
410 ameth->pub_cmp = pub_cmp;
411 ameth->pub_print = pub_print;
412 ameth->pkey_size = pkey_size;
413 ameth->pkey_bits = pkey_bits;
414}
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415
416void EVP_PKEY_asn1_set_private(EVP_PKEY_ASN1_METHOD *ameth,
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417 int (*priv_decode) (EVP_PKEY *pk,
418 PKCS8_PRIV_KEY_INFO
419 *p8inf),
420 int (*priv_encode) (PKCS8_PRIV_KEY_INFO *p8,
421 const EVP_PKEY *pk),
422 int (*priv_print) (BIO *out,
423 const EVP_PKEY *pkey,
424 int indent,
425 ASN1_PCTX *pctx))
426{
427 ameth->priv_decode = priv_decode;
428 ameth->priv_encode = priv_encode;
429 ameth->priv_print = priv_print;
430}
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431
432void EVP_PKEY_asn1_set_param(EVP_PKEY_ASN1_METHOD *ameth,
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433 int (*param_decode) (EVP_PKEY *pkey,
434 const unsigned char **pder,
435 int derlen),
436 int (*param_encode) (const EVP_PKEY *pkey,
437 unsigned char **pder),
438 int (*param_missing) (const EVP_PKEY *pk),
439 int (*param_copy) (EVP_PKEY *to,
440 const EVP_PKEY *from),
441 int (*param_cmp) (const EVP_PKEY *a,
442 const EVP_PKEY *b),
443 int (*param_print) (BIO *out,
444 const EVP_PKEY *pkey,
445 int indent, ASN1_PCTX *pctx))
446{
447 ameth->param_decode = param_decode;
448 ameth->param_encode = param_encode;
449 ameth->param_missing = param_missing;
450 ameth->param_copy = param_copy;
451 ameth->param_cmp = param_cmp;
452 ameth->param_print = param_print;
453}
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454
455void EVP_PKEY_asn1_set_free(EVP_PKEY_ASN1_METHOD *ameth,
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456 void (*pkey_free) (EVP_PKEY *pkey))
457{
458 ameth->pkey_free = pkey_free;
459}
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460
461void EVP_PKEY_asn1_set_ctrl(EVP_PKEY_ASN1_METHOD *ameth,
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462 int (*pkey_ctrl) (EVP_PKEY *pkey, int op,
463 long arg1, void *arg2))
464{
465 ameth->pkey_ctrl = pkey_ctrl;
466}
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467
468void EVP_PKEY_asn1_set_item(EVP_PKEY_ASN1_METHOD *ameth,
469 int (*item_verify) (EVP_MD_CTX *ctx,
470 const ASN1_ITEM *it,
471 void *asn,
472 X509_ALGOR *a,
473 ASN1_BIT_STRING *sig,
474 EVP_PKEY *pkey),
475 int (*item_sign) (EVP_MD_CTX *ctx,
476 const ASN1_ITEM *it,
477 void *asn,
478 X509_ALGOR *alg1,
479 X509_ALGOR *alg2,
480 ASN1_BIT_STRING *sig))
481{
482 ameth->item_sign = item_sign;
483 ameth->item_verify = item_verify;
484}