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OpenBoard/thirdparty/openssl/openssl-1.0.0d/crypto/ocsp/ocsp_lib.c

265 lines
7.0 KiB

/* ocsp_lib.c */
/* Written by Tom Titchener <Tom_Titchener@groove.net> for the OpenSSL
* project. */
/* History:
This file was transfered to Richard Levitte from CertCo by Kathy
Weinhold in mid-spring 2000 to be included in OpenSSL or released
as a patch kit. */
/* ====================================================================
* Copyright (c) 1998-2000 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
* openssl-core@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 <cryptlib.h>
#include <openssl/objects.h>
#include <openssl/rand.h>
#include <openssl/x509.h>
#include <openssl/pem.h>
#include <openssl/x509v3.h>
#include <openssl/ocsp.h>
#include <openssl/asn1t.h>
/* Convert a certificate and its issuer to an OCSP_CERTID */
OCSP_CERTID *OCSP_cert_to_id(const EVP_MD *dgst, X509 *subject, X509 *issuer)
{
X509_NAME *iname;
ASN1_INTEGER *serial;
ASN1_BIT_STRING *ikey;
#ifndef OPENSSL_NO_SHA1
if(!dgst) dgst = EVP_sha1();
#endif
if (subject)
{
iname = X509_get_issuer_name(subject);
serial = X509_get_serialNumber(subject);
}
else
{
iname = X509_get_subject_name(issuer);
serial = NULL;
}
ikey = X509_get0_pubkey_bitstr(issuer);
return OCSP_cert_id_new(dgst, iname, ikey, serial);
}
OCSP_CERTID *OCSP_cert_id_new(const EVP_MD *dgst,
X509_NAME *issuerName,
ASN1_BIT_STRING* issuerKey,
ASN1_INTEGER *serialNumber)
{
int nid;
unsigned int i;
X509_ALGOR *alg;
OCSP_CERTID *cid = NULL;
unsigned char md[EVP_MAX_MD_SIZE];
if (!(cid = OCSP_CERTID_new())) goto err;
alg = cid->hashAlgorithm;
if (alg->algorithm != NULL) ASN1_OBJECT_free(alg->algorithm);
if ((nid = EVP_MD_type(dgst)) == NID_undef)
{
OCSPerr(OCSP_F_OCSP_CERT_ID_NEW,OCSP_R_UNKNOWN_NID);
goto err;
}
if (!(alg->algorithm=OBJ_nid2obj(nid))) goto err;
if ((alg->parameter=ASN1_TYPE_new()) == NULL) goto err;
alg->parameter->type=V_ASN1_NULL;
if (!X509_NAME_digest(issuerName, dgst, md, &i)) goto digerr;
if (!(ASN1_OCTET_STRING_set(cid->issuerNameHash, md, i))) goto err;
/* Calculate the issuerKey hash, excluding tag and length */
EVP_Digest(issuerKey->data, issuerKey->length, md, &i, dgst, NULL);
if (!(ASN1_OCTET_STRING_set(cid->issuerKeyHash, md, i))) goto err;
if (serialNumber)
{
ASN1_INTEGER_free(cid->serialNumber);
if (!(cid->serialNumber = ASN1_INTEGER_dup(serialNumber))) goto err;
}
return cid;
digerr:
OCSPerr(OCSP_F_OCSP_CERT_ID_NEW,OCSP_R_DIGEST_ERR);
err:
if (cid) OCSP_CERTID_free(cid);
return NULL;
}
int OCSP_id_issuer_cmp(OCSP_CERTID *a, OCSP_CERTID *b)
{
int ret;
ret = OBJ_cmp(a->hashAlgorithm->algorithm, b->hashAlgorithm->algorithm);
if (ret) return ret;
ret = ASN1_OCTET_STRING_cmp(a->issuerNameHash, b->issuerNameHash);
if (ret) return ret;
return ASN1_OCTET_STRING_cmp(a->issuerKeyHash, b->issuerKeyHash);
}
int OCSP_id_cmp(OCSP_CERTID *a, OCSP_CERTID *b)
{
int ret;
ret = OCSP_id_issuer_cmp(a, b);
if (ret) return ret;
return ASN1_INTEGER_cmp(a->serialNumber, b->serialNumber);
}
/* Parse a URL and split it up into host, port and path components and whether
* it is SSL.
*/
int OCSP_parse_url(char *url, char **phost, char **pport, char **ppath, int *pssl)
{
char *p, *buf;
char *host, *port;
/* dup the buffer since we are going to mess with it */
buf = BUF_strdup(url);
if (!buf) goto mem_err;
*phost = NULL;
*pport = NULL;
*ppath = NULL;
/* Check for initial colon */
p = strchr(buf, ':');
if (!p) goto parse_err;
*(p++) = '\0';
if (!strcmp(buf, "http"))
{
*pssl = 0;
port = "80";
}
else if (!strcmp(buf, "https"))
{
*pssl = 1;
port = "443";
}
else
goto parse_err;
/* Check for double slash */
if ((p[0] != '/') || (p[1] != '/'))
goto parse_err;
p += 2;
host = p;
/* Check for trailing part of path */
p = strchr(p, '/');
if (!p)
*ppath = BUF_strdup("/");
else
{
*ppath = BUF_strdup(p);
/* Set start of path to 0 so hostname is valid */
*p = '\0';
}
if (!*ppath) goto mem_err;
/* Look for optional ':' for port number */
if ((p = strchr(host, ':')))
{
*p = 0;
port = p + 1;
}
else
{
/* Not found: set default port */
if (*pssl) port = "443";
else port = "80";
}
*pport = BUF_strdup(port);
if (!*pport) goto mem_err;
*phost = BUF_strdup(host);
if (!*phost) goto mem_err;
OPENSSL_free(buf);
return 1;
mem_err:
OCSPerr(OCSP_F_OCSP_PARSE_URL, ERR_R_MALLOC_FAILURE);
goto err;
parse_err:
OCSPerr(OCSP_F_OCSP_PARSE_URL, OCSP_R_ERROR_PARSING_URL);
err:
if (buf) OPENSSL_free(buf);
if (*ppath) OPENSSL_free(*ppath);
if (*pport) OPENSSL_free(*pport);
if (*phost) OPENSSL_free(*phost);
return 0;
}
IMPLEMENT_ASN1_DUP_FUNCTION(OCSP_CERTID)