-/* 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).
+/*
+ * Copyright 2000-2016 The OpenSSL Project Authors. All Rights Reserved.
*
+ * Licensed under the OpenSSL license (the "License"). You may not use
+ * this file except in compliance with the License. You can obtain a copy
+ * in the file LICENSE in the source distribution or at
+ * https://www.openssl.org/source/license.html
*/
#include <stdio.h>
-#include <cryptlib.h>
+#include "internal/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 "ocsp_lcl.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)
+OCSP_CERTID *OCSP_cert_to_id(const EVP_MD *dgst, const X509 *subject,
+ const X509 *issuer)
{
- X509_NAME *iname;
- ASN1_INTEGER *serial;
- ASN1_BIT_STRING *ikey;
-#ifndef NO_SHA1
- if(!dgst) dgst = EVP_sha1();
-#endif
- iname = X509_get_issuer_name(subject);
- serial = X509_get_serialNumber(subject);
- ikey = X509_get0_pubkey_bitstr(issuer);
- return OCSP_cert_id_new(dgst, iname, ikey, serial);
+ X509_NAME *iname;
+ const ASN1_INTEGER *serial;
+ ASN1_BIT_STRING *ikey;
+ if (!dgst)
+ dgst = EVP_sha1();
+ if (subject) {
+ iname = X509_get_issuer_name(subject);
+ serial = X509_get0_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_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);
-
- if (!(ASN1_OCTET_STRING_set(cid->issuerKeyHash, md, i))) goto err;
-
- if (cid->serialNumber != NULL) ASN1_INTEGER_free(cid->serialNumber);
- if (!(cid->serialNumber = ASN1_INTEGER_dup(serialNumber))) goto err;
- return cid;
-digerr:
- OCSPerr(OCSP_F_CERT_ID_NEW,OCSP_R_DIGEST_ERR);
-err:
- if (cid) OCSP_CERTID_free(cid);
- return NULL;
- }
-
-OCSP_CERTSTATUS *OCSP_cert_status_new(int status, int reason, char *tim)
- {
- OCSP_REVOKEDINFO *ri;
- OCSP_CERTSTATUS *cs = NULL;
-
- if (!(cs = OCSP_CERTSTATUS_new())) goto err;
- if ((cs->type = status) == V_OCSP_CERTSTATUS_REVOKED)
- {
- if (!time)
- {
- OCSPerr(OCSP_F_CERT_STATUS_NEW,OCSP_R_REVOKED_NO_TIME);
- goto err;
- }
- if (!(cs->value.revoked = ri = OCSP_REVOKEDINFO_new())) goto err;
- if (!ASN1_GENERALIZEDTIME_set_string(ri->revocationTime,tim))
- goto err;
- if (reason != OCSP_REVOKED_STATUS_NOSTATUS)
- {
- if (!(ri->revocationReason = ASN1_ENUMERATED_new()))
- goto err;
- if (!(ASN1_ENUMERATED_set(ri->revocationReason,
- reason)))
- goto err;
- }
- }
- return cs;
-err:
- if (cs) OCSP_CERTSTATUS_free(cs);
- return NULL;
- }
-
+OCSP_CERTID *OCSP_cert_id_new(const EVP_MD *dgst,
+ const X509_NAME *issuerName,
+ const ASN1_BIT_STRING *issuerKey,
+ const 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()) == NULL)
+ goto err;
+
+ alg = &cid->hashAlgorithm;
+ 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)) == NULL)
+ 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 */
+ if (!EVP_Digest(issuerKey->data, issuerKey->length, md, &i, dgst, NULL))
+ goto err;
+
+ if (!(ASN1_OCTET_STRING_set(&cid->issuerKeyHash, md, i)))
+ goto err;
+
+ if (serialNumber) {
+ if (ASN1_STRING_copy(&cid->serialNumber, serialNumber) == 0)
+ goto err;
+ }
+ return cid;
+ digerr:
+ OCSPerr(OCSP_F_OCSP_CERT_ID_NEW, OCSP_R_DIGEST_ERR);
+ err:
+ 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 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);
- }
-
-OCSP_BASICRESP *OCSP_basic_response_new(int type, X509* cert)
- {
- time_t t;
- OCSP_RESPID *rid;
- OCSP_BASICRESP *rsp = NULL;
- unsigned char md[SHA_DIGEST_LENGTH];
-
- if (!(rsp = OCSP_BASICRESP_new())) goto err;
- rid = rsp->tbsResponseData->responderId;
- switch (rid->type = type)
- {
- case V_OCSP_RESPID_NAME:
- /* cert is user cert */
- if (!(rid->value.byName =
- X509_NAME_dup(X509_get_subject_name(cert))))
- goto err;
- break;
- case V_OCSP_RESPID_KEY:
- /* cert is issuer cert */
- /* SHA-1 hash of responder's public key
- * (excluding the tag and length fields)
- */
- X509_pubkey_digest(cert, EVP_sha1(), md, NULL);
- if (!(rid->value.byKey = ASN1_OCTET_STRING_new()))
- goto err;
- if (!(ASN1_OCTET_STRING_set(rid->value.byKey,
- md, sizeof md)))
- goto err;
- break;
- default:
- OCSPerr(OCSP_F_BASIC_RESPONSE_NEW,OCSP_R_BAD_TAG);
- goto err;
- break;
- }
- time(&t);
- if (!(ASN1_GENERALIZEDTIME_set(rsp->tbsResponseData->producedAt, t)))
- goto err;
- if (!(rsp->tbsResponseData->responses = sk_OCSP_SINGLERESP_new(NULL))) goto err;
- return rsp;
-err:
- if (rsp) OCSP_BASICRESP_free(rsp);
- return NULL;
- }
-
-int OCSP_basic_response_add(OCSP_BASICRESP *rsp,
- OCSP_CERTID *cid,
- OCSP_CERTSTATUS *cst,
- char *this,
- char *next)
- {
- OCSP_SINGLERESP *single = NULL;
-
- if (!(single = OCSP_SINGLERESP_new())) goto err;
- if (single->certId) OCSP_CERTID_free(single->certId);
- if (!(single->certId = OCSP_CERTID_dup(cid))) goto err;
- if (single->certStatus) OCSP_CERTSTATUS_free(single->certStatus);
- if (!(single->certStatus = OCSP_CERTSTATUS_dup(cst))) goto err;
- if (!ASN1_GENERALIZEDTIME_set_string(single->thisUpdate,this))goto err;
- if (next)
- {
- if (!(single->nextUpdate = ASN1_GENERALIZEDTIME_new()))
- goto err;
- if (!ASN1_GENERALIZEDTIME_set_string(single->nextUpdate,next))
- goto err;
- }
- if (!sk_OCSP_SINGLERESP_push(rsp->tbsResponseData->responses,single)) goto err;
- return 1;
-err:
- if (single) OCSP_SINGLERESP_free(single);
- return 0;
- }
-
-int OCSP_basic_response_sign(OCSP_BASICRESP *brsp,
- EVP_PKEY *key,
- const EVP_MD *dgst,
- STACK_OF(X509) *certs)
- {
- int i;
-
- /* Right now, I think that not doing double hashing is the right
- thing. -- Richard Levitte */
- if (!OCSP_BASICRESP_sign(brsp, key, dgst, 0)) goto err;
- if (certs)
- {
- if (!(brsp->certs = sk_X509_dup(certs))) goto err;
- for (i = 0; i < sk_X509_num(brsp->certs); i++)
- {
- sk_X509_set(brsp->certs, i,
- X509_dup(sk_X509_value(certs, i)));
- if (! sk_X509_value(brsp->certs, i))
- goto err;
- }
- }
- return 1;
-err:
- return 0;
- }
-
-OCSP_RESPONSE *OCSP_response_new(int status,
- int nid,
- int (*i2d)(),
- char *data)
- {
- OCSP_RESPONSE *rsp = NULL;
-
- if (!(rsp = OCSP_RESPONSE_new())) goto err;
- if (!(ASN1_ENUMERATED_set(rsp->responseStatus, status))) goto err;
- if (!(rsp->responseBytes = OCSP_RESPBYTES_new())) goto err;
- if (rsp->responseBytes->responseType) ASN1_OBJECT_free(rsp->responseBytes->responseType);
- if (!(rsp->responseBytes->responseType = OBJ_nid2obj(nid))) goto err;
- if (!ASN1_STRING_encode((ASN1_STRING*)rsp->responseBytes->response,
- i2d, data, NULL)) goto err;
- return rsp;
-err:
- if (rsp) OCSP_RESPONSE_free(rsp);
- return NULL;
- }
-
-/* XXX assumes certs in signature are sorted root to leaf XXX */
-int OCSP_request_verify(OCSP_REQUEST *req, EVP_PKEY *pkey)
- {
- STACK_OF(X509) *sk;
-
- if (!req->optionalSignature) return 0;
- if (pkey == NULL)
- {
- if (!(sk = req->optionalSignature->certs)) return 0;
- if (!(pkey=X509_get_pubkey(sk_X509_value(sk, sk_X509_num(sk)-1))))
- {
- OCSPerr(OCSP_F_REQUEST_VERIFY,OCSP_R_NO_PUBLIC_KEY);
- return 0;
- }
- }
- return OCSP_REQUEST_verify(req, pkey);
- }
-
-int OCSP_response_verify(OCSP_RESPONSE *rsp, EVP_PKEY *pkey)
- {
- int i, r;
- unsigned char *p;
- OCSP_RESPBYTES *rb;
- OCSP_BASICRESP *br = NULL;
-
- if ((rb = rsp->responseBytes) == NULL)
- {
- OCSPerr(OCSP_F_RESPONSE_VERIFY,OCSP_R_NO_RESPONSE_DATA);
- return 0;
- }
- if (OBJ_obj2nid(rb->responseType) != NID_id_pkix_OCSP_basic)
- {
- OCSPerr(OCSP_F_RESPONSE_VERIFY,OCSP_R_BAD_TAG);
- return 0;
- }
- p = ASN1_STRING_data(rb->response);
- i = ASN1_STRING_length(rb->response);
- if (!(d2i_OCSP_BASICRESP(&br, &p, i))) return 0;
- r = OCSP_basic_response_verify(br, pkey);
- OCSP_BASICRESP_free(br);
- return r;
- }
-
-int OCSP_basic_response_verify(OCSP_BASICRESP *rsp, EVP_PKEY *pkey)
- {
- STACK_OF(X509) *sk;
- int ret;
-
- if (!rsp->signature)
- {
- OCSPerr(OCSP_F_BASIC_RESPONSE_VERIFY,OCSP_R_NO_SIGNATURE);
- return 0;
- }
- if (pkey == NULL)
- {
- if (!(sk = rsp->certs))
- {
- OCSPerr(OCSP_F_BASIC_RESPONSE_VERIFY,OCSP_R_NO_CERTIFICATE);
- return 0;
- }
- if (!(pkey=X509_get_pubkey(sk_X509_value(sk, sk_X509_num(sk)-1))))
- {
- OCSPerr(OCSP_F_BASIC_RESPONSE_VERIFY,OCSP_R_NO_PUBLIC_KEY);
- return 0;
- }
- }
- ret = OCSP_BASICRESP_verify(rsp, pkey, 0);
- return ret;
- }
+{
+ 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(const char *url, char **phost, char **pport, char **ppath,
+ int *pssl)
+{
+ char *p, *buf;
+
+ char *host, *port;
+
+ *phost = NULL;
+ *pport = NULL;
+ *ppath = NULL;
+
+ /* dup the buffer since we are going to mess with it */
+ buf = OPENSSL_strdup(url);
+ if (!buf)
+ goto mem_err;
+
+ /* Check for initial colon */
+ p = strchr(buf, ':');
+
+ if (!p)
+ goto parse_err;
+
+ *(p++) = '\0';
+
+ if (strcmp(buf, "http") == 0) {
+ *pssl = 0;
+ port = "80";
+ } else if (strcmp(buf, "https") == 0) {
+ *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 = OPENSSL_strdup("/");
+ else {
+ *ppath = OPENSSL_strdup(p);
+ /* Set start of path to 0 so hostname is valid */
+ *p = '\0';
+ }
+
+ if (!*ppath)
+ goto mem_err;
+
+ p = host;
+ if (host[0] == '[') {
+ /* ipv6 literal */
+ host++;
+ p = strchr(host, ']');
+ if (!p)
+ goto parse_err;
+ *p = '\0';
+ p++;
+ }
+
+ /* Look for optional ':' for port number */
+ if ((p = strchr(p, ':'))) {
+ *p = 0;
+ port = p + 1;
+ }
+
+ *pport = OPENSSL_strdup(port);
+ if (!*pport)
+ goto mem_err;
+
+ *phost = OPENSSL_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:
+ OPENSSL_free(buf);
+ OPENSSL_free(*ppath);
+ *ppath = NULL;
+ OPENSSL_free(*pport);
+ *pport = NULL;
+ OPENSSL_free(*phost);
+ *phost = NULL;
+ return 0;
+
+}
+
+IMPLEMENT_ASN1_DUP_FUNCTION(OCSP_CERTID)
projects / openssl.git / blobdiff