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GCC Code Coverage Report

Directory:	./		Exec	Total	Coverage
File:	lib/libcrypto/asn1/ameth_lib.c	Lines:	58	172	33.7 %
Date:	2017-11-13	Branches:	36	80	45.0 %


/* $OpenBSD: ameth_lib.c,v 1.16 2017/01/21 04:31:25 jsing 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;

static int ameth_cmp_BSEARCH_CMP_FN(const void *, const void *);
static int ameth_cmp(const EVP_PKEY_ASN1_METHOD * const *, const EVP_PKEY_ASN1_METHOD * const *);
static const EVP_PKEY_ASN1_METHOD * *OBJ_bsearch_ameth(const EVP_PKEY_ASN1_METHOD * *key, const EVP_PKEY_ASN1_METHOD * const *base, int num);

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);
}


static int
ameth_cmp_BSEARCH_CMP_FN(const void *a_, const void *b_)
{
	const EVP_PKEY_ASN1_METHOD * const *a = a_;
	const EVP_PKEY_ASN1_METHOD * const *b = b_;
	return ameth_cmp(a, b);
}

static const EVP_PKEY_ASN1_METHOD * *
OBJ_bsearch_ameth(const EVP_PKEY_ASN1_METHOD * *key, const EVP_PKEY_ASN1_METHOD * const *base, int num)
{
	return (const EVP_PKEY_ASN1_METHOD * *)OBJ_bsearch_(key, base, num, sizeof(const EVP_PKEY_ASN1_METHOD *),
	    ameth_cmp_BSEARCH_CMP_FN);
}

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 1.16 2017/01/21 04:31:25 jsing 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			static int ameth_cmp_BSEARCH_CMP_FN(const void , const void );
118			static int ameth_cmp(const EVP_PKEY_ASN1_METHOD * const , const EVP_PKEY_ASN1_METHOD const *);
119			static const EVP_PKEY_ASN1_METHOD * OBJ_bsearch_ameth(const EVP_PKEY_ASN1_METHOD key, const EVP_PKEY_ASN1_METHOD const *base, int num);
120
121			static int
122			ameth_cmp(const EVP_PKEY_ASN1_METHOD * const *a,
123			const EVP_PKEY_ASN1_METHOD * const *b)
124			{
125		309792	return ((a)->pkey_id - (b)->pkey_id);
126			}
127
128
129			static int
130			ameth_cmp_BSEARCH_CMP_FN(const void a_, const void b_)
131			{
132		309792	const EVP_PKEY_ASN1_METHOD * const *a = a_;
133		154896	const EVP_PKEY_ASN1_METHOD * const *b = b_;
134		154896	return ameth_cmp(a, b);
135			}
136
137			static const EVP_PKEY_ASN1_METHOD * *
138			OBJ_bsearch_ameth(const EVP_PKEY_ASN1_METHOD * key, const EVP_PKEY_ASN1_METHOD const *base, int num)
139			{
140		146608	return (const EVP_PKEY_ASN1_METHOD * )OBJ_bsearch_(key, base, num, sizeof(const EVP_PKEY_ASN1_METHOD ),
141			ameth_cmp_BSEARCH_CMP_FN);
142			}
143
144			int
145			EVP_PKEY_asn1_get_count(void)
146			{
147			int num = sizeof(standard_methods) / sizeof(EVP_PKEY_ASN1_METHOD *);
148	✗✓	8600	if (app_methods)
149			num += sk_EVP_PKEY_ASN1_METHOD_num(app_methods);
150		4300	return num;
151			}
152
153			const EVP_PKEY_ASN1_METHOD *
154			EVP_PKEY_asn1_get0(int idx)
155			{
156			int num = sizeof(standard_methods) / sizeof(EVP_PKEY_ASN1_METHOD *);
157	✗✓	8596	if (idx < 0)
158			return NULL;
159	✓✗	4298	if (idx < num)
160		4298	return standard_methods[idx];
161			idx -= num;
162			return sk_EVP_PKEY_ASN1_METHOD_value(app_methods, idx);
163		4298	}
164
165			static const EVP_PKEY_ASN1_METHOD *
166			pkey_asn1_find(int type)
167			{
168		146608	EVP_PKEY_ASN1_METHOD tmp;
169		73304	const EVP_PKEY_ASN1_METHOD t = &tmp, *ret;
170		73304	tmp.pkey_id = type;
171	✗✓	73304	if (app_methods) {
172			int idx;
173			idx = sk_EVP_PKEY_ASN1_METHOD_find(app_methods, &tmp);
174			if (idx >= 0)
175			return sk_EVP_PKEY_ASN1_METHOD_value(app_methods, idx);
176			}
177		73304	ret = OBJ_bsearch_ameth(&t, standard_methods,
178			sizeof(standard_methods) / sizeof(EVP_PKEY_ASN1_METHOD *));
179	✓✗✗✓	146608	if (!ret \|\| !*ret)
180			return NULL;
181		73304	return *ret;
182		73304	}
183
184			/* Find an implementation of an ASN1 algorithm. If 'pe' is not NULL
185			* also search through engines and set *pe to a functional reference
186			* to the engine implementing 'type' or NULL if no engine implements
187			* it.
188			*/
189
190			const EVP_PKEY_ASN1_METHOD *
191			EVP_PKEY_asn1_find(ENGINE **pe, int type)
192			{
193			const EVP_PKEY_ASN1_METHOD *t;
194
195		146608	for (;;) {
196		73304	t = pkey_asn1_find(type);
197	✓✗✗✓	146608	if (!t \|\| !(t->pkey_flags & ASN1_PKEY_ALIAS))
198			break;
199			type = t->pkey_base_id;
200			}
201	✓✓	73304	if (pe) {
202			#ifndef OPENSSL_NO_ENGINE
203			ENGINE *e;
204			/* type will contain the final unaliased type */
205		73216	e = ENGINE_get_pkey_asn1_meth_engine(type);
206	✗✓	73216	if (e) {
207			*pe = e;
208			return ENGINE_get_pkey_asn1_meth(e, type);
209			}
210			#endif
211		73216	*pe = NULL;
212	✓✗	73216	}
213		73304	return t;
214		73304	}
215
216			const EVP_PKEY_ASN1_METHOD *
217			EVP_PKEY_asn1_find_str(ENGINE *pe, const char str, int len)
218			{
219			int i;
220			const EVP_PKEY_ASN1_METHOD *ameth;
221	✓✓	1672	if (len == -1)
222		34	len = strlen(str);
223	✓✓	836	if (pe) {
224			#ifndef OPENSSL_NO_ENGINE
225		28	ENGINE *e;
226		28	ameth = ENGINE_pkey_asn1_find_str(&e, str, len);
227	✗✓	28	if (ameth) {
228			/* Convert structural into
229			* functional reference
230			*/
231			if (!ENGINE_init(e))
232			ameth = NULL;
233			ENGINE_free(e);
234			*pe = e;
235			return ameth;
236			}
237			#endif
238		28	*pe = NULL;
239	✓✗	56	}
240	✓✗	8536	for (i = 0; i < EVP_PKEY_asn1_get_count(); i++) {
241		4268	ameth = EVP_PKEY_asn1_get0(i);
242	✓✓	4268	if (ameth->pkey_flags & ASN1_PKEY_ALIAS)
243			continue;
244	✓✓✓✓	3430	if (((int)strlen(ameth->pem_str) == len) &&
245		1252	!strncasecmp(ameth->pem_str, str, len))
246		836	return ameth;
247			}
248			return NULL;
249		836	}
250
251			int
252			EVP_PKEY_asn1_add0(const EVP_PKEY_ASN1_METHOD *ameth)
253			{
254			if (app_methods == NULL) {
255			app_methods = sk_EVP_PKEY_ASN1_METHOD_new(ameth_cmp);
256			if (!app_methods)
257			return 0;
258			}
259			if (!sk_EVP_PKEY_ASN1_METHOD_push(app_methods, ameth))
260			return 0;
261			sk_EVP_PKEY_ASN1_METHOD_sort(app_methods);
262			return 1;
263			}
264
265			int
266			EVP_PKEY_asn1_add_alias(int to, int from)
267			{
268			EVP_PKEY_ASN1_METHOD *ameth;
269
270			ameth = EVP_PKEY_asn1_new(from, ASN1_PKEY_ALIAS, NULL, NULL);
271			if (!ameth)
272			return 0;
273			ameth->pkey_base_id = to;
274			if (!EVP_PKEY_asn1_add0(ameth)) {
275			EVP_PKEY_asn1_free(ameth);
276			return 0;
277			}
278			return 1;
279			}
280
281			int
282			EVP_PKEY_asn1_get0_info(int ppkey_id, int ppkey_base_id, int *ppkey_flags,
283			const char pinfo, const char ppem_str,
284			const EVP_PKEY_ASN1_METHOD *ameth)
285			{
286	✗✓	268	if (!ameth)
287			return 0;
288	✓✓	134	if (ppkey_id)
289		64	*ppkey_id = ameth->pkey_id;
290	✓✓	134	if (ppkey_base_id)
291		34	*ppkey_base_id = ameth->pkey_base_id;
292	✓✓	134	if (ppkey_flags)
293		30	*ppkey_flags = ameth->pkey_flags;
294	✓✓	134	if (pinfo)
295		30	*pinfo = ameth->info;
296	✓✓	134	if (ppem_str)
297		96	*ppem_str = ameth->pem_str;
298		134	return 1;
299		134	}
300
301			const EVP_PKEY_ASN1_METHOD*
302			EVP_PKEY_get0_asn1(EVP_PKEY *pkey)
303			{
304		104	return pkey->ameth;
305			}
306
307			EVP_PKEY_ASN1_METHOD*
308			EVP_PKEY_asn1_new(int id, int flags, const char pem_str, const char info)
309			{
310			EVP_PKEY_ASN1_METHOD *ameth;
311
312			ameth = calloc(1, sizeof(EVP_PKEY_ASN1_METHOD));
313			if (!ameth)
314			return NULL;
315
316			ameth->pkey_id = id;
317			ameth->pkey_base_id = id;
318			ameth->pkey_flags = flags \| ASN1_PKEY_DYNAMIC;
319
320			if (info) {
321			ameth->info = strdup(info);
322			if (!ameth->info)
323			goto err;
324			} else
325			ameth->info = NULL;
326
327			if (pem_str) {
328			ameth->pem_str = strdup(pem_str);
329			if (!ameth->pem_str)
330			goto err;
331			} else
332			ameth->pem_str = NULL;
333
334			ameth->pub_decode = 0;
335			ameth->pub_encode = 0;
336			ameth->pub_cmp = 0;
337			ameth->pub_print = 0;
338
339			ameth->priv_decode = 0;
340			ameth->priv_encode = 0;
341			ameth->priv_print = 0;
342
343			ameth->old_priv_encode = 0;
344			ameth->old_priv_decode = 0;
345
346			ameth->item_verify = 0;
347			ameth->item_sign = 0;
348
349			ameth->pkey_size = 0;
350			ameth->pkey_bits = 0;
351
352			ameth->param_decode = 0;
353			ameth->param_encode = 0;
354			ameth->param_missing = 0;
355			ameth->param_copy = 0;
356			ameth->param_cmp = 0;
357			ameth->param_print = 0;
358
359			ameth->pkey_free = 0;
360			ameth->pkey_ctrl = 0;
361
362			return ameth;
363
364			err:
365			EVP_PKEY_asn1_free(ameth);
366			return NULL;
367			}
368
369			void
370			EVP_PKEY_asn1_copy(EVP_PKEY_ASN1_METHOD dst, const EVP_PKEY_ASN1_METHOD src)
371			{
372			dst->pub_decode = src->pub_decode;
373			dst->pub_encode = src->pub_encode;
374			dst->pub_cmp = src->pub_cmp;
375			dst->pub_print = src->pub_print;
376
377			dst->priv_decode = src->priv_decode;
378			dst->priv_encode = src->priv_encode;
379			dst->priv_print = src->priv_print;
380
381			dst->old_priv_encode = src->old_priv_encode;
382			dst->old_priv_decode = src->old_priv_decode;
383
384			dst->pkey_size = src->pkey_size;
385			dst->pkey_bits = src->pkey_bits;
386
387			dst->param_decode = src->param_decode;
388			dst->param_encode = src->param_encode;
389			dst->param_missing = src->param_missing;
390			dst->param_copy = src->param_copy;
391			dst->param_cmp = src->param_cmp;
392			dst->param_print = src->param_print;
393
394			dst->pkey_free = src->pkey_free;
395			dst->pkey_ctrl = src->pkey_ctrl;
396
397			dst->item_sign = src->item_sign;
398			dst->item_verify = src->item_verify;
399			}
400
401			void
402			EVP_PKEY_asn1_free(EVP_PKEY_ASN1_METHOD *ameth)
403			{
404			if (ameth && (ameth->pkey_flags & ASN1_PKEY_DYNAMIC)) {
405			free(ameth->pem_str);
406			free(ameth->info);
407			free(ameth);
408			}
409			}
410
411			void
412			EVP_PKEY_asn1_set_public(EVP_PKEY_ASN1_METHOD *ameth,
413			int (pub_decode)(EVP_PKEY pk, X509_PUBKEY *pub),
414			int (pub_encode)(X509_PUBKEY pub, const EVP_PKEY *pk),
415			int (pub_cmp)(const EVP_PKEY a, const EVP_PKEY *b),
416			int (pub_print)(BIO out, const EVP_PKEY *pkey, int indent,
417			ASN1_PCTX *pctx),
418			int (pkey_size)(const EVP_PKEY pk),
419			int (pkey_bits)(const EVP_PKEY pk))
420			{
421			ameth->pub_decode = pub_decode;
422			ameth->pub_encode = pub_encode;
423			ameth->pub_cmp = pub_cmp;
424			ameth->pub_print = pub_print;
425			ameth->pkey_size = pkey_size;
426			ameth->pkey_bits = pkey_bits;
427			}
428
429			void
430			EVP_PKEY_asn1_set_private(EVP_PKEY_ASN1_METHOD *ameth,
431			int (priv_decode)(EVP_PKEY pk, PKCS8_PRIV_KEY_INFO *p8inf),
432			int (priv_encode)(PKCS8_PRIV_KEY_INFO p8, const EVP_PKEY *pk),
433			int (priv_print)(BIO out, const EVP_PKEY *pkey, int indent,
434			ASN1_PCTX *pctx))
435			{
436			ameth->priv_decode = priv_decode;
437			ameth->priv_encode = priv_encode;
438			ameth->priv_print = priv_print;
439			}
440
441			void
442			EVP_PKEY_asn1_set_param(EVP_PKEY_ASN1_METHOD *ameth,
443			int (param_decode)(EVP_PKEY pkey, const unsigned char **pder, int derlen),
444			int (param_encode)(const EVP_PKEY pkey, unsigned char **pder),
445			int (param_missing)(const EVP_PKEY pk),
446			int (param_copy)(EVP_PKEY to, const EVP_PKEY *from),
447			int (param_cmp)(const EVP_PKEY a, const EVP_PKEY *b),
448			int (param_print)(BIO out, const EVP_PKEY *pkey, int indent,
449			ASN1_PCTX *pctx))
450			{
451			ameth->param_decode = param_decode;
452			ameth->param_encode = param_encode;
453			ameth->param_missing = param_missing;
454			ameth->param_copy = param_copy;
455			ameth->param_cmp = param_cmp;
456			ameth->param_print = param_print;
457			}
458
459			void
460			EVP_PKEY_asn1_set_free(EVP_PKEY_ASN1_METHOD *ameth,
461			void (pkey_free)(EVP_PKEY pkey))
462			{
463			ameth->pkey_free = pkey_free;
464			}
465
466			void
467			EVP_PKEY_asn1_set_ctrl(EVP_PKEY_ASN1_METHOD *ameth,
468			int (pkey_ctrl)(EVP_PKEY pkey, int op, long arg1, void *arg2))
469			{
470			ameth->pkey_ctrl = pkey_ctrl;
471			}