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GCC Code Coverage Report

Directory:	./		Exec	Total	Coverage
File:	lib/libcrypto/crypto/../../libssl/src/crypto/asn1/ameth_lib.c	Lines:	35	170	20.6 %
Date:	2016-12-06	Branches:	16	74	21.6 %


/* $OpenBSD: ameth_lib.c,v 1.15 2014/11/09 19:17:13 miod Exp $ */
/* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
 * project 2006.
 */
/* ====================================================================
 * Copyright (c) 2006 The OpenSSL Project.  All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 *
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in
 *    the documentation and/or other materials provided with the
 *    distribution.
 *
 * 3. All advertising materials mentioning features or use of this
 *    software must display the following acknowledgment:
 *    "This product includes software developed by the OpenSSL Project
 *    for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
 *
 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
 *    endorse or promote products derived from this software without
 *    prior written permission. For written permission, please contact
 *    licensing@OpenSSL.org.
 *
 * 5. Products derived from this software may not be called "OpenSSL"
 *    nor may "OpenSSL" appear in their names without prior written
 *    permission of the OpenSSL Project.
 *
 * 6. Redistributions of any form whatsoever must retain the following
 *    acknowledgment:
 *    "This product includes software developed by the OpenSSL Project
 *    for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
 *
 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
 * OF THE POSSIBILITY OF SUCH DAMAGE.
 * ====================================================================
 *
 * This product includes cryptographic software written by Eric Young
 * (eay@cryptsoft.com).  This product includes software written by Tim
 * Hudson (tjh@cryptsoft.com).
 *
 */

#include <stdio.h>
#include <string.h>

#include <openssl/opensslconf.h>

#include <openssl/asn1t.h>
#include <openssl/x509.h>

#ifndef OPENSSL_NO_ENGINE
#include <openssl/engine.h>
#endif

#include "asn1_locl.h"

extern const EVP_PKEY_ASN1_METHOD rsa_asn1_meths[];
extern const EVP_PKEY_ASN1_METHOD dsa_asn1_meths[];
extern const EVP_PKEY_ASN1_METHOD dh_asn1_meth;
extern const EVP_PKEY_ASN1_METHOD eckey_asn1_meth;
extern const EVP_PKEY_ASN1_METHOD gostr01_asn1_meths[];
extern const EVP_PKEY_ASN1_METHOD gostimit_asn1_meth;
extern const EVP_PKEY_ASN1_METHOD hmac_asn1_meth;
extern const EVP_PKEY_ASN1_METHOD cmac_asn1_meth;

/* Keep this sorted in type order !! */
static const EVP_PKEY_ASN1_METHOD *standard_methods[] = {
#ifndef OPENSSL_NO_RSA
	&rsa_asn1_meths[0],
	&rsa_asn1_meths[1],
#endif
#ifndef OPENSSL_NO_DH
	&dh_asn1_meth,
#endif
#ifndef OPENSSL_NO_DSA
	&dsa_asn1_meths[0],
	&dsa_asn1_meths[1],
	&dsa_asn1_meths[2],
	&dsa_asn1_meths[3],
	&dsa_asn1_meths[4],
#endif
#ifndef OPENSSL_NO_EC
	&eckey_asn1_meth,
#endif
#ifndef OPENSSL_NO_GOST
	&gostr01_asn1_meths[0],
	&gostimit_asn1_meth,
#endif
	&hmac_asn1_meth,
	&cmac_asn1_meth,
#ifndef OPENSSL_NO_GOST
	&gostr01_asn1_meths[1],
	&gostr01_asn1_meths[2],
#endif
};

typedef int sk_cmp_fn_type(const char * const *a, const char * const *b);
DECLARE_STACK_OF(EVP_PKEY_ASN1_METHOD)
static STACK_OF(EVP_PKEY_ASN1_METHOD) *app_methods = NULL;

DECLARE_OBJ_BSEARCH_CMP_FN(const EVP_PKEY_ASN1_METHOD *,
    const EVP_PKEY_ASN1_METHOD *, ameth);

static int
ameth_cmp(const EVP_PKEY_ASN1_METHOD * const *a,
    const EVP_PKEY_ASN1_METHOD * const *b)
{
	return ((*a)->pkey_id - (*b)->pkey_id);
}

IMPLEMENT_OBJ_BSEARCH_CMP_FN(const EVP_PKEY_ASN1_METHOD *,
    const EVP_PKEY_ASN1_METHOD *, ameth);

int
EVP_PKEY_asn1_get_count(void)
{
	int num = sizeof(standard_methods) / sizeof(EVP_PKEY_ASN1_METHOD *);
	if (app_methods)
		num += sk_EVP_PKEY_ASN1_METHOD_num(app_methods);
	return num;
}

const EVP_PKEY_ASN1_METHOD *
EVP_PKEY_asn1_get0(int idx)
{
	int num = sizeof(standard_methods) / sizeof(EVP_PKEY_ASN1_METHOD *);
	if (idx < 0)
		return NULL;
	if (idx < num)
		return standard_methods[idx];
	idx -= num;
	return sk_EVP_PKEY_ASN1_METHOD_value(app_methods, idx);
}

static const EVP_PKEY_ASN1_METHOD *
pkey_asn1_find(int type)
{
	EVP_PKEY_ASN1_METHOD tmp;
	const EVP_PKEY_ASN1_METHOD *t = &tmp, **ret;
	tmp.pkey_id = type;
	if (app_methods) {
		int idx;
		idx = sk_EVP_PKEY_ASN1_METHOD_find(app_methods, &tmp);
		if (idx >= 0)
			return sk_EVP_PKEY_ASN1_METHOD_value(app_methods, idx);
	}
	ret = OBJ_bsearch_ameth(&t, standard_methods,
	    sizeof(standard_methods) / sizeof(EVP_PKEY_ASN1_METHOD *));
	if (!ret || !*ret)
		return NULL;
	return *ret;
}

/* Find an implementation of an ASN1 algorithm. If 'pe' is not NULL
 * also search through engines and set *pe to a functional reference
 * to the engine implementing 'type' or NULL if no engine implements
 * it.
 */

const EVP_PKEY_ASN1_METHOD *
EVP_PKEY_asn1_find(ENGINE **pe, int type)
{
	const EVP_PKEY_ASN1_METHOD *t;

	for (;;) {
		t = pkey_asn1_find(type);
		if (!t || !(t->pkey_flags & ASN1_PKEY_ALIAS))
			break;
		type = t->pkey_base_id;
	}
	if (pe) {
#ifndef OPENSSL_NO_ENGINE
		ENGINE *e;
		/* type will contain the final unaliased type */
		e = ENGINE_get_pkey_asn1_meth_engine(type);
		if (e) {
			*pe = e;
			return ENGINE_get_pkey_asn1_meth(e, type);
		}
#endif
		*pe = NULL;
	}
	return t;
}

const EVP_PKEY_ASN1_METHOD *
EVP_PKEY_asn1_find_str(ENGINE **pe, const char *str, int len)
{
	int i;
	const EVP_PKEY_ASN1_METHOD *ameth;
	if (len == -1)
		len = strlen(str);
	if (pe) {
#ifndef OPENSSL_NO_ENGINE
		ENGINE *e;
		ameth = ENGINE_pkey_asn1_find_str(&e, str, len);
		if (ameth) {
			/* Convert structural into
			 * functional reference
			 */
			if (!ENGINE_init(e))
				ameth = NULL;
			ENGINE_free(e);
			*pe = e;
			return ameth;
		}
#endif
		*pe = NULL;
	}
	for (i = 0; i < EVP_PKEY_asn1_get_count(); i++) {
		ameth = EVP_PKEY_asn1_get0(i);
		if (ameth->pkey_flags & ASN1_PKEY_ALIAS)
			continue;
		if (((int)strlen(ameth->pem_str) == len) &&
		    !strncasecmp(ameth->pem_str, str, len))
			return ameth;
	}
	return NULL;
}

int
EVP_PKEY_asn1_add0(const EVP_PKEY_ASN1_METHOD *ameth)
{
	if (app_methods == NULL) {
		app_methods = sk_EVP_PKEY_ASN1_METHOD_new(ameth_cmp);
		if (!app_methods)
			return 0;
	}
	if (!sk_EVP_PKEY_ASN1_METHOD_push(app_methods, ameth))
		return 0;
	sk_EVP_PKEY_ASN1_METHOD_sort(app_methods);
	return 1;
}

int
EVP_PKEY_asn1_add_alias(int to, int from)
{
	EVP_PKEY_ASN1_METHOD *ameth;

	ameth = EVP_PKEY_asn1_new(from, ASN1_PKEY_ALIAS, NULL, NULL);
	if (!ameth)
		return 0;
	ameth->pkey_base_id = to;
	if (!EVP_PKEY_asn1_add0(ameth)) {
		EVP_PKEY_asn1_free(ameth);
		return 0;
	}
	return 1;
}

int
EVP_PKEY_asn1_get0_info(int *ppkey_id, int *ppkey_base_id, int *ppkey_flags,
    const char **pinfo, const char **ppem_str,
    const EVP_PKEY_ASN1_METHOD *ameth)
{
	if (!ameth)
		return 0;
	if (ppkey_id)
		*ppkey_id = ameth->pkey_id;
	if (ppkey_base_id)
		*ppkey_base_id = ameth->pkey_base_id;
	if (ppkey_flags)
		*ppkey_flags = ameth->pkey_flags;
	if (pinfo)
		*pinfo = ameth->info;
	if (ppem_str)
		*ppem_str = ameth->pem_str;
	return 1;
}

const EVP_PKEY_ASN1_METHOD*
EVP_PKEY_get0_asn1(EVP_PKEY *pkey)
{
	return pkey->ameth;
}

EVP_PKEY_ASN1_METHOD*
EVP_PKEY_asn1_new(int id, int flags, const char *pem_str, const char *info)
{
	EVP_PKEY_ASN1_METHOD *ameth;

	ameth = calloc(1, sizeof(EVP_PKEY_ASN1_METHOD));
	if (!ameth)
		return NULL;

	ameth->pkey_id = id;
	ameth->pkey_base_id = id;
	ameth->pkey_flags = flags | ASN1_PKEY_DYNAMIC;

	if (info) {
		ameth->info = strdup(info);
		if (!ameth->info)
			goto err;
	} else
		ameth->info = NULL;

	if (pem_str) {
		ameth->pem_str = strdup(pem_str);
		if (!ameth->pem_str)
			goto err;
	} else
		ameth->pem_str = NULL;

	ameth->pub_decode = 0;
	ameth->pub_encode = 0;
	ameth->pub_cmp = 0;
	ameth->pub_print = 0;

	ameth->priv_decode = 0;
	ameth->priv_encode = 0;
	ameth->priv_print = 0;

	ameth->old_priv_encode = 0;
	ameth->old_priv_decode = 0;

	ameth->item_verify = 0;
	ameth->item_sign = 0;

	ameth->pkey_size = 0;
	ameth->pkey_bits = 0;

	ameth->param_decode = 0;
	ameth->param_encode = 0;
	ameth->param_missing = 0;
	ameth->param_copy = 0;
	ameth->param_cmp = 0;
	ameth->param_print = 0;

	ameth->pkey_free = 0;
	ameth->pkey_ctrl = 0;

	return ameth;

err:
	EVP_PKEY_asn1_free(ameth);
	return NULL;
}

void
EVP_PKEY_asn1_copy(EVP_PKEY_ASN1_METHOD *dst, const EVP_PKEY_ASN1_METHOD *src)
{
	dst->pub_decode = src->pub_decode;
	dst->pub_encode = src->pub_encode;
	dst->pub_cmp = src->pub_cmp;
	dst->pub_print = src->pub_print;

	dst->priv_decode = src->priv_decode;
	dst->priv_encode = src->priv_encode;
	dst->priv_print = src->priv_print;

	dst->old_priv_encode = src->old_priv_encode;
	dst->old_priv_decode = src->old_priv_decode;

	dst->pkey_size = src->pkey_size;
	dst->pkey_bits = src->pkey_bits;

	dst->param_decode = src->param_decode;
	dst->param_encode = src->param_encode;
	dst->param_missing = src->param_missing;
	dst->param_copy = src->param_copy;
	dst->param_cmp = src->param_cmp;
	dst->param_print = src->param_print;

	dst->pkey_free = src->pkey_free;
	dst->pkey_ctrl = src->pkey_ctrl;

	dst->item_sign = src->item_sign;
	dst->item_verify = src->item_verify;
}

void
EVP_PKEY_asn1_free(EVP_PKEY_ASN1_METHOD *ameth)
{
	if (ameth && (ameth->pkey_flags & ASN1_PKEY_DYNAMIC)) {
		free(ameth->pem_str);
		free(ameth->info);
		free(ameth);
	}
}

void
EVP_PKEY_asn1_set_public(EVP_PKEY_ASN1_METHOD *ameth,
    int (*pub_decode)(EVP_PKEY *pk, X509_PUBKEY *pub),
    int (*pub_encode)(X509_PUBKEY *pub, const EVP_PKEY *pk),
    int (*pub_cmp)(const EVP_PKEY *a, const EVP_PKEY *b),
    int (*pub_print)(BIO *out, const EVP_PKEY *pkey, int indent,
	ASN1_PCTX *pctx),
    int (*pkey_size)(const EVP_PKEY *pk),
    int (*pkey_bits)(const EVP_PKEY *pk))
{
	ameth->pub_decode = pub_decode;
	ameth->pub_encode = pub_encode;
	ameth->pub_cmp = pub_cmp;
	ameth->pub_print = pub_print;
	ameth->pkey_size = pkey_size;
	ameth->pkey_bits = pkey_bits;
}

void
EVP_PKEY_asn1_set_private(EVP_PKEY_ASN1_METHOD *ameth,
    int (*priv_decode)(EVP_PKEY *pk, PKCS8_PRIV_KEY_INFO *p8inf),
    int (*priv_encode)(PKCS8_PRIV_KEY_INFO *p8, const EVP_PKEY *pk),
    int (*priv_print)(BIO *out, const EVP_PKEY *pkey, int indent,
	ASN1_PCTX *pctx))
{
	ameth->priv_decode = priv_decode;
	ameth->priv_encode = priv_encode;
	ameth->priv_print = priv_print;
}

void
EVP_PKEY_asn1_set_param(EVP_PKEY_ASN1_METHOD *ameth,
    int (*param_decode)(EVP_PKEY *pkey, const unsigned char **pder, int derlen),
    int (*param_encode)(const EVP_PKEY *pkey, unsigned char **pder),
    int (*param_missing)(const EVP_PKEY *pk),
    int (*param_copy)(EVP_PKEY *to, const EVP_PKEY *from),
    int (*param_cmp)(const EVP_PKEY *a, const EVP_PKEY *b),
    int (*param_print)(BIO *out, const EVP_PKEY *pkey, int indent,
	ASN1_PCTX *pctx))
{
	ameth->param_decode = param_decode;
	ameth->param_encode = param_encode;
	ameth->param_missing = param_missing;
	ameth->param_copy = param_copy;
	ameth->param_cmp = param_cmp;
	ameth->param_print = param_print;
}

void
EVP_PKEY_asn1_set_free(EVP_PKEY_ASN1_METHOD *ameth,
    void (*pkey_free)(EVP_PKEY *pkey))
{
	ameth->pkey_free = pkey_free;
}

void
EVP_PKEY_asn1_set_ctrl(EVP_PKEY_ASN1_METHOD *ameth,
    int (*pkey_ctrl)(EVP_PKEY *pkey, int op, long arg1, void *arg2))
{
	ameth->pkey_ctrl = pkey_ctrl;
}


Generated by: GCOVR (Version 3.3)

Line	Branch	Exec	Source
1			/* $OpenBSD: ameth_lib.c,v 1.15 2014/11/09 19:17:13 miod Exp $ */
2			/* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
3			* project 2006.
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
13			* notice, this list of conditions and the following disclaimer.
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 <string.h>
61
62			#include <openssl/opensslconf.h>
63
64			#include <openssl/asn1t.h>
65			#include <openssl/x509.h>
66
67			#ifndef OPENSSL_NO_ENGINE
68			#include <openssl/engine.h>
69			#endif
70
71			#include "asn1_locl.h"
72
73			extern const EVP_PKEY_ASN1_METHOD rsa_asn1_meths[];
74			extern const EVP_PKEY_ASN1_METHOD dsa_asn1_meths[];
75			extern const EVP_PKEY_ASN1_METHOD dh_asn1_meth;
76			extern const EVP_PKEY_ASN1_METHOD eckey_asn1_meth;
77			extern const EVP_PKEY_ASN1_METHOD gostr01_asn1_meths[];
78			extern const EVP_PKEY_ASN1_METHOD gostimit_asn1_meth;
79			extern const EVP_PKEY_ASN1_METHOD hmac_asn1_meth;
80			extern const EVP_PKEY_ASN1_METHOD cmac_asn1_meth;
81
82			/* Keep this sorted in type order !! */
83			static const EVP_PKEY_ASN1_METHOD *standard_methods[] = {
84			#ifndef OPENSSL_NO_RSA
85			&rsa_asn1_meths[0],
86			&rsa_asn1_meths[1],
87			#endif
88			#ifndef OPENSSL_NO_DH
89			&dh_asn1_meth,
90			#endif
91			#ifndef OPENSSL_NO_DSA
92			&dsa_asn1_meths[0],
93			&dsa_asn1_meths[1],
94			&dsa_asn1_meths[2],
95			&dsa_asn1_meths[3],
96			&dsa_asn1_meths[4],
97			#endif
98			#ifndef OPENSSL_NO_EC
99			&eckey_asn1_meth,
100			#endif
101			#ifndef OPENSSL_NO_GOST
102			&gostr01_asn1_meths[0],
103			&gostimit_asn1_meth,
104			#endif
105			&hmac_asn1_meth,
106			&cmac_asn1_meth,
107			#ifndef OPENSSL_NO_GOST
108			&gostr01_asn1_meths[1],
109			&gostr01_asn1_meths[2],
110			#endif
111			};
112
113			typedef int sk_cmp_fn_type(const char * const a, const char const *b);
114			DECLARE_STACK_OF(EVP_PKEY_ASN1_METHOD)
115			static STACK_OF(EVP_PKEY_ASN1_METHOD) *app_methods = NULL;
116
117			DECLARE_OBJ_BSEARCH_CMP_FN(const EVP_PKEY_ASN1_METHOD *,
118			const EVP_PKEY_ASN1_METHOD *, ameth);
119
120			static int
121			ameth_cmp(const EVP_PKEY_ASN1_METHOD * const *a,
122			const EVP_PKEY_ASN1_METHOD * const *b)
123		118	{
124		118	return ((a)->pkey_id - (b)->pkey_id);
125			}
126
127		154	IMPLEMENT_OBJ_BSEARCH_CMP_FN(const EVP_PKEY_ASN1_METHOD *,
128			const EVP_PKEY_ASN1_METHOD *, ameth);
129
130			int
131			EVP_PKEY_asn1_get_count(void)
132		2	{
133		2	int num = sizeof(standard_methods) / sizeof(EVP_PKEY_ASN1_METHOD *);
134	✗✓	2	if (app_methods)
135			num += sk_EVP_PKEY_ASN1_METHOD_num(app_methods);
136		2	return num;
137			}
138
139			const EVP_PKEY_ASN1_METHOD *
140			EVP_PKEY_asn1_get0(int idx)
141		2	{
142		2	int num = sizeof(standard_methods) / sizeof(EVP_PKEY_ASN1_METHOD *);
143	✗✓	2	if (idx < 0)
144			return NULL;
145	✓✗	2	if (idx < num)
146		2	return standard_methods[idx];
147			idx -= num;
148			return sk_EVP_PKEY_ASN1_METHOD_value(app_methods, idx);
149			}
150
151			static const EVP_PKEY_ASN1_METHOD *
152			pkey_asn1_find(int type)
153		36	{
154			EVP_PKEY_ASN1_METHOD tmp;
155		36	const EVP_PKEY_ASN1_METHOD t = &tmp, *ret;
156		36	tmp.pkey_id = type;
157	✗✓	36	if (app_methods) {
158			int idx;
159			idx = sk_EVP_PKEY_ASN1_METHOD_find(app_methods, &tmp);
160			if (idx >= 0)
161			return sk_EVP_PKEY_ASN1_METHOD_value(app_methods, idx);
162			}
163		36	ret = OBJ_bsearch_ameth(&t, standard_methods,
164			sizeof(standard_methods) / sizeof(EVP_PKEY_ASN1_METHOD *));
165	✓✗✗✓	36	if (!ret \|\| !*ret)
166			return NULL;
167		36	return *ret;
168			}
169
170			/* Find an implementation of an ASN1 algorithm. If 'pe' is not NULL
171			* also search through engines and set *pe to a functional reference
172			* to the engine implementing 'type' or NULL if no engine implements
173			* it.
174			*/
175
176			const EVP_PKEY_ASN1_METHOD *
177			EVP_PKEY_asn1_find(ENGINE **pe, int type)
178		36	{
179			const EVP_PKEY_ASN1_METHOD *t;
180
181			for (;;) {
182		36	t = pkey_asn1_find(type);
183	✓✗✗✓	36	if (!t \|\| !(t->pkey_flags & ASN1_PKEY_ALIAS))
184			break;
185			type = t->pkey_base_id;
186			}
187	✓✗	36	if (pe) {
188			#ifndef OPENSSL_NO_ENGINE
189			ENGINE *e;
190			/* type will contain the final unaliased type */
191		36	e = ENGINE_get_pkey_asn1_meth_engine(type);
192	✗✓	36	if (e) {
193			*pe = e;
194			return ENGINE_get_pkey_asn1_meth(e, type);
195			}
196			#endif
197		36	*pe = NULL;
198			}
199		36	return t;
200			}
201
202			const EVP_PKEY_ASN1_METHOD *
203			EVP_PKEY_asn1_find_str(ENGINE *pe, const char str, int len)
204		2	{
205			int i;
206			const EVP_PKEY_ASN1_METHOD *ameth;
207	✗✓	2	if (len == -1)
208			len = strlen(str);
209	✗✓	2	if (pe) {
210			#ifndef OPENSSL_NO_ENGINE
211			ENGINE *e;
212			ameth = ENGINE_pkey_asn1_find_str(&e, str, len);
213			if (ameth) {
214			/* Convert structural into
215			* functional reference
216			*/
217			if (!ENGINE_init(e))
218			ameth = NULL;
219			ENGINE_free(e);
220			*pe = e;
221			return ameth;
222			}
223			#endif
224			*pe = NULL;
225			}
226	✓✗	2	for (i = 0; i < EVP_PKEY_asn1_get_count(); i++) {
227		2	ameth = EVP_PKEY_asn1_get0(i);
228	✓✗	2	if (ameth->pkey_flags & ASN1_PKEY_ALIAS)
229			continue;
230	✓✗✓✗	2	if (((int)strlen(ameth->pem_str) == len) &&
231			!strncasecmp(ameth->pem_str, str, len))
232		2	return ameth;
233			}
234			return NULL;
235			}
236
237			int
238			EVP_PKEY_asn1_add0(const EVP_PKEY_ASN1_METHOD *ameth)
239			{
240			if (app_methods == NULL) {
241			app_methods = sk_EVP_PKEY_ASN1_METHOD_new(ameth_cmp);
242			if (!app_methods)
243			return 0;
244			}
245			if (!sk_EVP_PKEY_ASN1_METHOD_push(app_methods, ameth))
246			return 0;
247			sk_EVP_PKEY_ASN1_METHOD_sort(app_methods);
248			return 1;
249			}
250
251			int
252			EVP_PKEY_asn1_add_alias(int to, int from)
253			{
254			EVP_PKEY_ASN1_METHOD *ameth;
255
256			ameth = EVP_PKEY_asn1_new(from, ASN1_PKEY_ALIAS, NULL, NULL);
257			if (!ameth)
258			return 0;
259			ameth->pkey_base_id = to;
260			if (!EVP_PKEY_asn1_add0(ameth)) {
261			EVP_PKEY_asn1_free(ameth);
262			return 0;
263			}
264			return 1;
265			}
266
267			int
268			EVP_PKEY_asn1_get0_info(int ppkey_id, int ppkey_base_id, int *ppkey_flags,
269			const char pinfo, const char ppem_str,
270			const EVP_PKEY_ASN1_METHOD *ameth)
271			{
272			if (!ameth)
273			return 0;
274			if (ppkey_id)
275			*ppkey_id = ameth->pkey_id;
276			if (ppkey_base_id)
277			*ppkey_base_id = ameth->pkey_base_id;
278			if (ppkey_flags)
279			*ppkey_flags = ameth->pkey_flags;
280			if (pinfo)
281			*pinfo = ameth->info;
282			if (ppem_str)
283			*ppem_str = ameth->pem_str;
284			return 1;
285			}
286
287			const EVP_PKEY_ASN1_METHOD*
288			EVP_PKEY_get0_asn1(EVP_PKEY *pkey)
289			{
290			return pkey->ameth;
291			}
292
293			EVP_PKEY_ASN1_METHOD*
294			EVP_PKEY_asn1_new(int id, int flags, const char pem_str, const char info)
295			{
296			EVP_PKEY_ASN1_METHOD *ameth;
297
298			ameth = calloc(1, sizeof(EVP_PKEY_ASN1_METHOD));
299			if (!ameth)
300			return NULL;
301
302			ameth->pkey_id = id;
303			ameth->pkey_base_id = id;
304			ameth->pkey_flags = flags \| ASN1_PKEY_DYNAMIC;
305
306			if (info) {
307			ameth->info = strdup(info);
308			if (!ameth->info)
309			goto err;
310			} else
311			ameth->info = NULL;
312
313			if (pem_str) {
314			ameth->pem_str = strdup(pem_str);
315			if (!ameth->pem_str)
316			goto err;
317			} else
318			ameth->pem_str = NULL;
319
320			ameth->pub_decode = 0;
321			ameth->pub_encode = 0;
322			ameth->pub_cmp = 0;
323			ameth->pub_print = 0;
324
325			ameth->priv_decode = 0;
326			ameth->priv_encode = 0;
327			ameth->priv_print = 0;
328
329			ameth->old_priv_encode = 0;
330			ameth->old_priv_decode = 0;
331
332			ameth->item_verify = 0;
333			ameth->item_sign = 0;
334
335			ameth->pkey_size = 0;
336			ameth->pkey_bits = 0;
337
338			ameth->param_decode = 0;
339			ameth->param_encode = 0;
340			ameth->param_missing = 0;
341			ameth->param_copy = 0;
342			ameth->param_cmp = 0;
343			ameth->param_print = 0;
344
345			ameth->pkey_free = 0;
346			ameth->pkey_ctrl = 0;
347
348			return ameth;
349
350			err:
351			EVP_PKEY_asn1_free(ameth);
352			return NULL;
353			}
354
355			void
356			EVP_PKEY_asn1_copy(EVP_PKEY_ASN1_METHOD dst, const EVP_PKEY_ASN1_METHOD src)
357			{
358			dst->pub_decode = src->pub_decode;
359			dst->pub_encode = src->pub_encode;
360			dst->pub_cmp = src->pub_cmp;
361			dst->pub_print = src->pub_print;
362
363			dst->priv_decode = src->priv_decode;
364			dst->priv_encode = src->priv_encode;
365			dst->priv_print = src->priv_print;
366
367			dst->old_priv_encode = src->old_priv_encode;
368			dst->old_priv_decode = src->old_priv_decode;
369
370			dst->pkey_size = src->pkey_size;
371			dst->pkey_bits = src->pkey_bits;
372
373			dst->param_decode = src->param_decode;
374			dst->param_encode = src->param_encode;
375			dst->param_missing = src->param_missing;
376			dst->param_copy = src->param_copy;
377			dst->param_cmp = src->param_cmp;
378			dst->param_print = src->param_print;
379
380			dst->pkey_free = src->pkey_free;
381			dst->pkey_ctrl = src->pkey_ctrl;
382
383			dst->item_sign = src->item_sign;
384			dst->item_verify = src->item_verify;
385			}
386
387			void
388			EVP_PKEY_asn1_free(EVP_PKEY_ASN1_METHOD *ameth)
389			{
390			if (ameth && (ameth->pkey_flags & ASN1_PKEY_DYNAMIC)) {
391			free(ameth->pem_str);
392			free(ameth->info);
393			free(ameth);
394			}
395			}
396
397			void
398			EVP_PKEY_asn1_set_public(EVP_PKEY_ASN1_METHOD *ameth,
399			int (pub_decode)(EVP_PKEY pk, X509_PUBKEY *pub),
400			int (pub_encode)(X509_PUBKEY pub, const EVP_PKEY *pk),
401			int (pub_cmp)(const EVP_PKEY a, const EVP_PKEY *b),
402			int (pub_print)(BIO out, const EVP_PKEY *pkey, int indent,
403			ASN1_PCTX *pctx),
404			int (pkey_size)(const EVP_PKEY pk),
405			int (pkey_bits)(const EVP_PKEY pk))
406			{
407			ameth->pub_decode = pub_decode;
408			ameth->pub_encode = pub_encode;
409			ameth->pub_cmp = pub_cmp;
410			ameth->pub_print = pub_print;
411			ameth->pkey_size = pkey_size;
412			ameth->pkey_bits = pkey_bits;
413			}
414
415			void
416			EVP_PKEY_asn1_set_private(EVP_PKEY_ASN1_METHOD *ameth,
417			int (priv_decode)(EVP_PKEY pk, PKCS8_PRIV_KEY_INFO *p8inf),
418			int (priv_encode)(PKCS8_PRIV_KEY_INFO p8, const EVP_PKEY *pk),
419			int (priv_print)(BIO out, const EVP_PKEY *pkey, int indent,
420			ASN1_PCTX *pctx))
421			{
422			ameth->priv_decode = priv_decode;
423			ameth->priv_encode = priv_encode;
424			ameth->priv_print = priv_print;
425			}
426
427			void
428			EVP_PKEY_asn1_set_param(EVP_PKEY_ASN1_METHOD *ameth,
429			int (param_decode)(EVP_PKEY pkey, const unsigned char **pder, int derlen),
430			int (param_encode)(const EVP_PKEY pkey, unsigned char **pder),
431			int (param_missing)(const EVP_PKEY pk),
432			int (param_copy)(EVP_PKEY to, const EVP_PKEY *from),
433			int (param_cmp)(const EVP_PKEY a, const EVP_PKEY *b),
434			int (param_print)(BIO out, const EVP_PKEY *pkey, int indent,
435			ASN1_PCTX *pctx))
436			{
437			ameth->param_decode = param_decode;
438			ameth->param_encode = param_encode;
439			ameth->param_missing = param_missing;
440			ameth->param_copy = param_copy;
441			ameth->param_cmp = param_cmp;
442			ameth->param_print = param_print;
443			}
444
445			void
446			EVP_PKEY_asn1_set_free(EVP_PKEY_ASN1_METHOD *ameth,
447			void (pkey_free)(EVP_PKEY pkey))
448			{
449			ameth->pkey_free = pkey_free;
450			}
451
452			void
453			EVP_PKEY_asn1_set_ctrl(EVP_PKEY_ASN1_METHOD *ameth,
454			int (pkey_ctrl)(EVP_PKEY pkey, int op, long arg1, void *arg2))
455			{
456			ameth->pkey_ctrl = pkey_ctrl;
457			}