Coverage Report

Created: 2022-11-30 06:20

/src/openssl/crypto/x509v3/v3_skey.c
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Count
Source (jump to first uncovered line)
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/* v3_skey.c */
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/*
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 * Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL project
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 * 1999.
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 */
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/* ====================================================================
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 * Copyright (c) 1999 The OpenSSL Project.  All rights reserved.
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 *
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 * Redistribution and use in source and binary forms, with or without
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 * modification, are permitted provided that the following conditions
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 * are met:
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 *
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 * 1. Redistributions of source code must retain the above copyright
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 *    notice, this list of conditions and the following disclaimer.
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 *
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 * 2. Redistributions in binary form must reproduce the above copyright
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 *    notice, this list of conditions and the following disclaimer in
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 *    the documentation and/or other materials provided with the
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 *    distribution.
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 *
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 * 3. All advertising materials mentioning features or use of this
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 *    software must display the following acknowledgment:
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 *    "This product includes software developed by the OpenSSL Project
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 *    for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
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 *
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 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
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 *    endorse or promote products derived from this software without
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 *    prior written permission. For written permission, please contact
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 *    licensing@OpenSSL.org.
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 *
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 * 5. Products derived from this software may not be called "OpenSSL"
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 *    nor may "OpenSSL" appear in their names without prior written
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 *    permission of the OpenSSL Project.
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 *
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 * 6. Redistributions of any form whatsoever must retain the following
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 *    acknowledgment:
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 *    "This product includes software developed by the OpenSSL Project
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 *    for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
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 *
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 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
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 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
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 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
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 * OF THE POSSIBILITY OF SUCH DAMAGE.
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 * ====================================================================
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 *
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 * This product includes cryptographic software written by Eric Young
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 * (eay@cryptsoft.com).  This product includes software written by Tim
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 * Hudson (tjh@cryptsoft.com).
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 *
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 */
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#include <stdio.h>
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#include "cryptlib.h"
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#include <openssl/x509v3.h>
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static ASN1_OCTET_STRING *s2i_skey_id(X509V3_EXT_METHOD *method,
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                                      X509V3_CTX *ctx, char *str);
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const X509V3_EXT_METHOD v3_skey_id = {
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    NID_subject_key_identifier, 0, ASN1_ITEM_ref(ASN1_OCTET_STRING),
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    0, 0, 0, 0,
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    (X509V3_EXT_I2S)i2s_ASN1_OCTET_STRING,
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    (X509V3_EXT_S2I)s2i_skey_id,
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    0, 0, 0, 0,
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    NULL
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};
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char *i2s_ASN1_OCTET_STRING(X509V3_EXT_METHOD *method, ASN1_OCTET_STRING *oct)
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0
{
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0
    return hex_to_string(oct->data, oct->length);
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0
}
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ASN1_OCTET_STRING *s2i_ASN1_OCTET_STRING(X509V3_EXT_METHOD *method,
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                                         X509V3_CTX *ctx, char *str)
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0
{
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0
    ASN1_OCTET_STRING *oct;
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0
    long length;
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0
    if (!(oct = M_ASN1_OCTET_STRING_new())) {
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0
        X509V3err(X509V3_F_S2I_ASN1_OCTET_STRING, ERR_R_MALLOC_FAILURE);
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0
        return NULL;
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0
    }
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0
    if (!(oct->data = string_to_hex(str, &length))) {
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0
        M_ASN1_OCTET_STRING_free(oct);
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0
        return NULL;
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0
    }
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0
    oct->length = length;
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    return oct;
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0
}
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static ASN1_OCTET_STRING *s2i_skey_id(X509V3_EXT_METHOD *method,
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                                      X509V3_CTX *ctx, char *str)
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0
{
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0
    ASN1_OCTET_STRING *oct;
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0
    ASN1_BIT_STRING *pk;
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0
    unsigned char pkey_dig[EVP_MAX_MD_SIZE];
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0
    unsigned int diglen;
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0
    if (strcmp(str, "hash"))
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0
        return s2i_ASN1_OCTET_STRING(method, ctx, str);
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0
    if (!(oct = M_ASN1_OCTET_STRING_new())) {
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0
        X509V3err(X509V3_F_S2I_SKEY_ID, ERR_R_MALLOC_FAILURE);
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0
        return NULL;
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0
    }
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0
    if (ctx && (ctx->flags == CTX_TEST))
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0
        return oct;
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0
    if (!ctx || (!ctx->subject_req && !ctx->subject_cert)) {
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0
        X509V3err(X509V3_F_S2I_SKEY_ID, X509V3_R_NO_PUBLIC_KEY);
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0
        goto err;
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0
    }
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0
    if (ctx->subject_req)
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0
        pk = ctx->subject_req->req_info->pubkey->public_key;
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0
    else
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0
        pk = ctx->subject_cert->cert_info->key->public_key;
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0
    if (!pk) {
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0
        X509V3err(X509V3_F_S2I_SKEY_ID, X509V3_R_NO_PUBLIC_KEY);
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0
        goto err;
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0
    }
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0
    if (!EVP_Digest
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0
        (pk->data, pk->length, pkey_dig, &diglen, EVP_sha1(), NULL))
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0
        goto err;
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0
    if (!M_ASN1_OCTET_STRING_set(oct, pkey_dig, diglen)) {
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0
        X509V3err(X509V3_F_S2I_SKEY_ID, ERR_R_MALLOC_FAILURE);
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0
        goto err;
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0
    }
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0
    return oct;
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0
 err:
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0
    M_ASN1_OCTET_STRING_free(oct);
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0
    return NULL;
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0
}