2 * Written by Tom Titchener <Tom_Titchener@groove.net> for the OpenSSL
7 * History: This file was transferred 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)