yuzu/externals/libressl/crypto/pkcs12/p12_utl.c

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2020-12-28 19:15:37 +04:00
/* $OpenBSD: p12_utl.c,v 1.16 2018/05/30 15:32:11 tb Exp $ */
/* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
* project 1999.
*/
/* ====================================================================
* Copyright (c) 1999 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 <limits.h>
#include <stdio.h>
#include <string.h>
#include <openssl/pkcs12.h>
/* Cheap and nasty Unicode stuff */
unsigned char *
OPENSSL_asc2uni(const char *asc, int asclen, unsigned char **uni, int *unilen)
{
size_t ulen, i;
unsigned char *unitmp;
if (asclen < 0)
ulen = strlen(asc);
else
ulen = (size_t)asclen;
ulen++;
if (ulen == 0) /* unlikely overflow */
return NULL;
if ((unitmp = reallocarray(NULL, ulen, 2)) == NULL)
return NULL;
ulen *= 2;
/* XXX This interface ought to use unsigned types */
if (ulen > INT_MAX) {
free(unitmp);
return NULL;
}
for (i = 0; i < ulen - 2; i += 2) {
unitmp[i] = 0;
unitmp[i + 1] = *asc++;
}
/* Make result double-NUL terminated */
unitmp[ulen - 2] = 0;
unitmp[ulen - 1] = 0;
if (unilen)
*unilen = ulen;
if (uni)
*uni = unitmp;
return unitmp;
}
char *
OPENSSL_uni2asc(const unsigned char *uni, int unilen)
{
size_t asclen, u16len, i;
char *asctmp;
if (unilen < 0)
return NULL;
asclen = u16len = (size_t)unilen / 2;
/* If no terminating NUL, allow for one */
if (unilen == 0 || uni[unilen - 1] != '\0')
asclen++;
if ((asctmp = malloc(asclen)) == NULL)
return NULL;
/* Skip first zero byte */
uni++;
for (i = 0; i < u16len; i++) {
asctmp[i] = *uni;
uni += 2;
}
asctmp[asclen - 1] = '\0';
return asctmp;
}
int
i2d_PKCS12_bio(BIO *bp, PKCS12 *p12)
{
return ASN1_item_i2d_bio(&PKCS12_it, bp, p12);
}
int
i2d_PKCS12_fp(FILE *fp, PKCS12 *p12)
{
return ASN1_item_i2d_fp(&PKCS12_it, fp, p12);
}
PKCS12 *
d2i_PKCS12_bio(BIO *bp, PKCS12 **p12)
{
return ASN1_item_d2i_bio(&PKCS12_it, bp, p12);
}
PKCS12 *
d2i_PKCS12_fp(FILE *fp, PKCS12 **p12)
{
return ASN1_item_d2i_fp(&PKCS12_it, fp, p12);
}
PKCS12_SAFEBAG *
PKCS12_x5092certbag(X509 *x509)
{
return PKCS12_item_pack_safebag(x509, &X509_it,
NID_x509Certificate, NID_certBag);
}
PKCS12_SAFEBAG *
PKCS12_x509crl2certbag(X509_CRL *crl)
{
return PKCS12_item_pack_safebag(crl, &X509_CRL_it,
NID_x509Crl, NID_crlBag);
}
X509 *
PKCS12_certbag2x509(PKCS12_SAFEBAG *bag)
{
if (OBJ_obj2nid(bag->type) != NID_certBag)
return NULL;
if (OBJ_obj2nid(bag->value.bag->type) != NID_x509Certificate)
return NULL;
return ASN1_item_unpack(bag->value.bag->value.octet,
&X509_it);
}
X509_CRL *
PKCS12_certbag2x509crl(PKCS12_SAFEBAG *bag)
{
if (OBJ_obj2nid(bag->type) != NID_crlBag)
return NULL;
if (OBJ_obj2nid(bag->value.bag->type) != NID_x509Crl)
return NULL;
return ASN1_item_unpack(bag->value.bag->value.octet,
&X509_CRL_it);
}