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authormarha <marha@users.sourceforge.net>2009-06-28 22:07:26 +0000
committermarha <marha@users.sourceforge.net>2009-06-28 22:07:26 +0000
commit3562e78743202e43aec8727005182a2558117eca (patch)
tree8f9113a77d12470c5c851a2a8e4cb02e89df7d43 /openssl/crypto/ocsp/ocsp_lib.c
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Diffstat (limited to 'openssl/crypto/ocsp/ocsp_lib.c')
-rw-r--r--openssl/crypto/ocsp/ocsp_lib.c262
1 files changed, 262 insertions, 0 deletions
diff --git a/openssl/crypto/ocsp/ocsp_lib.c b/openssl/crypto/ocsp/ocsp_lib.c
new file mode 100644
index 000000000..27450811d
--- /dev/null
+++ b/openssl/crypto/ocsp/ocsp_lib.c
@@ -0,0 +1,262 @@
+/* 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>
+
+/* 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;
+
+ }