]>
git.ipfire.org Git - thirdparty/openssl.git/blob - crypto/ocsp/ocsp_lib.c
2 * Written by Tom Titchener <Tom_Titchener@groove.net> for the OpenSSL
7 * History: This file was transfered to Richard Levitte from CertCo by Kathy
8 * Weinhold in mid-spring 2000 to be included in OpenSSL or released as a
12 /* ====================================================================
13 * Copyright (c) 1998-2000 The OpenSSL Project. All rights reserved.
15 * Redistribution and use in source and binary forms, with or without
16 * modification, are permitted provided that the following conditions
19 * 1. Redistributions of source code must retain the above copyright
20 * notice, this list of conditions and the following disclaimer.
22 * 2. Redistributions in binary form must reproduce the above copyright
23 * notice, this list of conditions and the following disclaimer in
24 * the documentation and/or other materials provided with the
27 * 3. All advertising materials mentioning features or use of this
28 * software must display the following acknowledgment:
29 * "This product includes software developed by the OpenSSL Project
30 * for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
32 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
33 * endorse or promote products derived from this software without
34 * prior written permission. For written permission, please contact
35 * openssl-core@openssl.org.
37 * 5. Products derived from this software may not be called "OpenSSL"
38 * nor may "OpenSSL" appear in their names without prior written
39 * permission of the OpenSSL Project.
41 * 6. Redistributions of any form whatsoever must retain the following
43 * "This product includes software developed by the OpenSSL Project
44 * for use in the OpenSSL Toolkit (http://www.openssl.org/)"
46 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
47 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
48 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
49 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
50 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
51 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
52 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
53 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
54 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
55 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
56 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
57 * OF THE POSSIBILITY OF SUCH DAMAGE.
58 * ====================================================================
60 * This product includes cryptographic software written by Eric Young
61 * (eay@cryptsoft.com). This product includes software written by Tim
62 * Hudson (tjh@cryptsoft.com).
67 #include "internal/cryptlib.h"
68 #include <openssl/objects.h>
69 #include <openssl/rand.h>
70 #include <openssl/x509.h>
71 #include <openssl/pem.h>
72 #include <openssl/x509v3.h>
73 #include <openssl/ocsp.h>
75 #include <openssl/asn1t.h>
77 /* Convert a certificate and its issuer to an OCSP_CERTID */
79 OCSP_CERTID
*OCSP_cert_to_id(const EVP_MD
*dgst
, X509
*subject
, X509
*issuer
)
83 ASN1_BIT_STRING
*ikey
;
87 iname
= X509_get_issuer_name(subject
);
88 serial
= X509_get_serialNumber(subject
);
90 iname
= X509_get_subject_name(issuer
);
93 ikey
= X509_get0_pubkey_bitstr(issuer
);
94 return OCSP_cert_id_new(dgst
, iname
, ikey
, serial
);
97 OCSP_CERTID
*OCSP_cert_id_new(const EVP_MD
*dgst
,
98 X509_NAME
*issuerName
,
99 ASN1_BIT_STRING
*issuerKey
,
100 ASN1_INTEGER
*serialNumber
)
105 OCSP_CERTID
*cid
= NULL
;
106 unsigned char md
[EVP_MAX_MD_SIZE
];
108 if ((cid
= OCSP_CERTID_new()) == NULL
)
111 alg
= &cid
->hashAlgorithm
;
112 ASN1_OBJECT_free(alg
->algorithm
);
113 if ((nid
= EVP_MD_type(dgst
)) == NID_undef
) {
114 OCSPerr(OCSP_F_OCSP_CERT_ID_NEW
, OCSP_R_UNKNOWN_NID
);
117 if ((alg
->algorithm
= OBJ_nid2obj(nid
)) == NULL
)
119 if ((alg
->parameter
= ASN1_TYPE_new()) == NULL
)
121 alg
->parameter
->type
= V_ASN1_NULL
;
123 if (!X509_NAME_digest(issuerName
, dgst
, md
, &i
))
125 if (!(ASN1_OCTET_STRING_set(&cid
->issuerNameHash
, md
, i
)))
128 /* Calculate the issuerKey hash, excluding tag and length */
129 if (!EVP_Digest(issuerKey
->data
, issuerKey
->length
, md
, &i
, dgst
, NULL
))
132 if (!(ASN1_OCTET_STRING_set(&cid
->issuerKeyHash
, md
, i
)))
136 if (ASN1_STRING_copy(&cid
->serialNumber
, serialNumber
) == 0)
141 OCSPerr(OCSP_F_OCSP_CERT_ID_NEW
, OCSP_R_DIGEST_ERR
);
143 OCSP_CERTID_free(cid
);
147 int OCSP_id_issuer_cmp(OCSP_CERTID
*a
, OCSP_CERTID
*b
)
150 ret
= OBJ_cmp(a
->hashAlgorithm
.algorithm
, b
->hashAlgorithm
.algorithm
);
153 ret
= ASN1_OCTET_STRING_cmp(&a
->issuerNameHash
, &b
->issuerNameHash
);
156 return ASN1_OCTET_STRING_cmp(&a
->issuerKeyHash
, &b
->issuerKeyHash
);
159 int OCSP_id_cmp(OCSP_CERTID
*a
, OCSP_CERTID
*b
)
162 ret
= OCSP_id_issuer_cmp(a
, b
);
165 return ASN1_INTEGER_cmp(&a
->serialNumber
, &b
->serialNumber
);
169 * Parse a URL and split it up into host, port and path components and
173 int OCSP_parse_url(const char *url
, char **phost
, char **pport
, char **ppath
,
184 /* dup the buffer since we are going to mess with it */
185 buf
= OPENSSL_strdup(url
);
189 /* Check for initial colon */
190 p
= strchr(buf
, ':');
197 if (strcmp(buf
, "http") == 0) {
200 } else if (strcmp(buf
, "https") == 0) {
206 /* Check for double slash */
207 if ((p
[0] != '/') || (p
[1] != '/'))
214 /* Check for trailing part of path */
219 *ppath
= OPENSSL_strdup("/");
221 *ppath
= OPENSSL_strdup(p
);
222 /* Set start of path to 0 so hostname is valid */
230 if (host
[0] == '[') {
233 p
= strchr(host
, ']');
240 /* Look for optional ':' for port number */
241 if ((p
= strchr(p
, ':'))) {
246 *pport
= OPENSSL_strdup(port
);
250 *phost
= OPENSSL_strdup(host
);
260 OCSPerr(OCSP_F_OCSP_PARSE_URL
, ERR_R_MALLOC_FAILURE
);
264 OCSPerr(OCSP_F_OCSP_PARSE_URL
, OCSP_R_ERROR_PARSING_URL
);
268 OPENSSL_free(*ppath
);
269 OPENSSL_free(*pport
);
270 OPENSSL_free(*phost
);
275 IMPLEMENT_ASN1_DUP_FUNCTION(OCSP_CERTID
)