/src/openssl/crypto/ocsp/ocsp_cl.c

Source
/*
 * Copyright 2001-2021 The OpenSSL Project Authors. All Rights Reserved.
 *
 * Licensed under the Apache License 2.0 (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 <time.h>
#include "internal/cryptlib.h"
#include <openssl/asn1.h>
#include <openssl/objects.h>
#include <openssl/x509.h>
#include <openssl/pem.h>
#include <openssl/x509v3.h>
#include <openssl/ocsp.h>
#include "ocsp_local.h"

/*
 * Utility functions related to sending OCSP requests and extracting relevant
 * information from the response.
 */

/*
 * Add an OCSP_CERTID to an OCSP request. Return new OCSP_ONEREQ pointer:
 * useful if we want to add extensions.
 */
OCSP_ONEREQ *OCSP_request_add0_id(OCSP_REQUEST *req, OCSP_CERTID *cid)
{
    OCSP_ONEREQ *one = NULL;

    if ((one = OCSP_ONEREQ_new()) == NULL)
        return NULL;
    OCSP_CERTID_free(one->reqCert);
    one->reqCert = cid;
    if (req && !sk_OCSP_ONEREQ_push(req->tbsRequest.requestList, one)) {
        one->reqCert = NULL; /* do not free on error */
        OCSP_ONEREQ_free(one);
        return NULL;
    }
    return one;
}

/* Set requestorName from an X509_NAME structure */
int OCSP_request_set1_name(OCSP_REQUEST *req, const X509_NAME *nm)
{
    return GENERAL_NAME_set1_X509_NAME(&req->tbsRequest.requestorName, nm);
}

/* Add a certificate to an OCSP request */
int OCSP_request_add1_cert(OCSP_REQUEST *req, X509 *cert)
{
    if (req->optionalSignature == NULL
            && (req->optionalSignature = OCSP_SIGNATURE_new()) == NULL)
        return 0;
    if (cert == NULL)
        return 1;
    return ossl_x509_add_cert_new(&req->optionalSignature->certs, cert,
                                  X509_ADD_FLAG_UP_REF);
}

/*
 * Sign an OCSP request set the requestorName to the subject name of an
 * optional signers certificate and include one or more optional certificates
 * in the request. Behaves like PKCS7_sign().
 */
int OCSP_request_sign(OCSP_REQUEST *req,
                      X509 *signer,
                      EVP_PKEY *key,
                      const EVP_MD *dgst,
                      STACK_OF(X509) *certs, unsigned long flags)
{
    if (!OCSP_request_set1_name(req, X509_get_subject_name(signer)))
        goto err;

    if ((req->optionalSignature = OCSP_SIGNATURE_new()) == NULL)
        goto err;
    if (key != NULL) {
        if (!X509_check_private_key(signer, key)) {
            ERR_raise(ERR_LIB_OCSP,
                      OCSP_R_PRIVATE_KEY_DOES_NOT_MATCH_CERTIFICATE);
            goto err;
        }
        if (!OCSP_REQUEST_sign(req, key, dgst, signer->libctx, signer->propq))
            goto err;
    }

    if ((flags & OCSP_NOCERTS) == 0) {
        if (!OCSP_request_add1_cert(req, signer)
            || !X509_add_certs(req->optionalSignature->certs, certs,
                               X509_ADD_FLAG_UP_REF))
            goto err;
    }

    return 1;
 err:
    OCSP_SIGNATURE_free(req->optionalSignature);
    req->optionalSignature = NULL;
    return 0;
}

/* Get response status */
int OCSP_response_status(OCSP_RESPONSE *resp)
{
    return ASN1_ENUMERATED_get(resp->responseStatus);
}

/*
 * Extract basic response from OCSP_RESPONSE or NULL if no basic response
 * present.
 */
OCSP_BASICRESP *OCSP_response_get1_basic(OCSP_RESPONSE *resp)
{
    OCSP_RESPBYTES *rb = resp->responseBytes;

    if (rb == NULL) {
        ERR_raise(ERR_LIB_OCSP, OCSP_R_NO_RESPONSE_DATA);
        return NULL;
    }
    if (OBJ_obj2nid(rb->responseType) != NID_id_pkix_OCSP_basic) {
        ERR_raise(ERR_LIB_OCSP, OCSP_R_NOT_BASIC_RESPONSE);
        return NULL;
    }

    return ASN1_item_unpack(rb->response, ASN1_ITEM_rptr(OCSP_BASICRESP));
}

const ASN1_OCTET_STRING *OCSP_resp_get0_signature(const OCSP_BASICRESP *bs)
{
    return bs->signature;
}

const X509_ALGOR *OCSP_resp_get0_tbs_sigalg(const OCSP_BASICRESP *bs)
{
    return &bs->signatureAlgorithm;
}

const OCSP_RESPDATA *OCSP_resp_get0_respdata(const OCSP_BASICRESP *bs)
{
    return &bs->tbsResponseData;
}

/* Return number of OCSP_SINGLERESP responses present in a basic response */

int OCSP_resp_count(OCSP_BASICRESP *bs)
{
    if (bs == NULL)
        return -1;
    return sk_OCSP_SINGLERESP_num(bs->tbsResponseData.responses);
}

/* Extract an OCSP_SINGLERESP response with a given index */
OCSP_SINGLERESP *OCSP_resp_get0(OCSP_BASICRESP *bs, int idx)
{
    if (bs == NULL)
        return NULL;
    return sk_OCSP_SINGLERESP_value(bs->tbsResponseData.responses, idx);
}

const ASN1_GENERALIZEDTIME *OCSP_resp_get0_produced_at(const OCSP_BASICRESP *bs)
{
    return bs->tbsResponseData.producedAt;
}

const STACK_OF(X509) *OCSP_resp_get0_certs(const OCSP_BASICRESP *bs)
{
    return bs->certs;
}

int OCSP_resp_get0_id(const OCSP_BASICRESP *bs,
                      const ASN1_OCTET_STRING **pid,
                      const X509_NAME **pname)
{
    const OCSP_RESPID *rid = &bs->tbsResponseData.responderId;

    if (rid->type == V_OCSP_RESPID_NAME) {
        *pname = rid->value.byName;
        *pid = NULL;
    } else if (rid->type == V_OCSP_RESPID_KEY) {
        *pid = rid->value.byKey;
        *pname = NULL;
    } else {
        return 0;
    }
    return 1;
}

int OCSP_resp_get1_id(const OCSP_BASICRESP *bs,
                      ASN1_OCTET_STRING **pid,
                      X509_NAME **pname)
{
    const OCSP_RESPID *rid = &bs->tbsResponseData.responderId;

    if (rid->type == V_OCSP_RESPID_NAME) {
        *pname = X509_NAME_dup(rid->value.byName);
        *pid = NULL;
    } else if (rid->type == V_OCSP_RESPID_KEY) {
        *pid = ASN1_OCTET_STRING_dup(rid->value.byKey);
        *pname = NULL;
    } else {
        return 0;
    }
    if (*pname == NULL && *pid == NULL)
        return 0;
    return 1;
}

/* Look single response matching a given certificate ID */
int OCSP_resp_find(OCSP_BASICRESP *bs, OCSP_CERTID *id, int last)
{
    int i;
    STACK_OF(OCSP_SINGLERESP) *sresp;
    OCSP_SINGLERESP *single;

    if (bs == NULL)
        return -1;
    if (last < 0)
        last = 0;
    else
        last++;
    sresp = bs->tbsResponseData.responses;
    for (i = last; i < sk_OCSP_SINGLERESP_num(sresp); i++) {
        single = sk_OCSP_SINGLERESP_value(sresp, i);
        if (!OCSP_id_cmp(id, single->certId))
            return i;
    }
    return -1;
}

/*
 * Extract status information from an OCSP_SINGLERESP structure. Note: the
 * revtime and reason values are only set if the certificate status is
 * revoked. Returns numerical value of status.
 */
int OCSP_single_get0_status(OCSP_SINGLERESP *single, int *reason,
                            ASN1_GENERALIZEDTIME **revtime,
                            ASN1_GENERALIZEDTIME **thisupd,
                            ASN1_GENERALIZEDTIME **nextupd)
{
    int ret;
    OCSP_CERTSTATUS *cst;

    if (single == NULL)
        return -1;
    cst = single->certStatus;
    ret = cst->type;
    if (ret == V_OCSP_CERTSTATUS_REVOKED) {
        OCSP_REVOKEDINFO *rev = cst->value.revoked;

        if (revtime)
            *revtime = rev->revocationTime;
        if (reason) {
            if (rev->revocationReason)
                *reason = ASN1_ENUMERATED_get(rev->revocationReason);
            else
                *reason = -1;
        }
    }
    if (thisupd != NULL)
        *thisupd = single->thisUpdate;
    if (nextupd != NULL)
        *nextupd = single->nextUpdate;
    return ret;
}

/*
 * This function combines the previous ones: look up a certificate ID and if
 * found extract status information. Return 0 is successful.
 */
int OCSP_resp_find_status(OCSP_BASICRESP *bs, OCSP_CERTID *id, int *status,
                          int *reason,
                          ASN1_GENERALIZEDTIME **revtime,
                          ASN1_GENERALIZEDTIME **thisupd,
                          ASN1_GENERALIZEDTIME **nextupd)
{
    int i = OCSP_resp_find(bs, id, -1);
    OCSP_SINGLERESP *single;

    /* Maybe check for multiple responses and give an error? */
    if (i < 0)
        return 0;
    single = OCSP_resp_get0(bs, i);
    i = OCSP_single_get0_status(single, reason, revtime, thisupd, nextupd);
    if (status != NULL)
        *status = i;
    return 1;
}

/*
 * Check validity of thisUpdate and nextUpdate fields. It is possible that
 * the request will take a few seconds to process and/or the time won't be
 * totally accurate. Therefore to avoid rejecting otherwise valid time we
 * allow the times to be within 'nsec' of the current time. Also to avoid
 * accepting very old responses without a nextUpdate field an optional maxage
 * parameter specifies the maximum age the thisUpdate field can be.
 */
int OCSP_check_validity(ASN1_GENERALIZEDTIME *thisupd,
                        ASN1_GENERALIZEDTIME *nextupd, long nsec, long maxsec)
{
    int ret = 1;
    time_t t_now, t_tmp;

    time(&t_now);
    /* Check thisUpdate is valid and not more than nsec in the future */
    if (!ASN1_GENERALIZEDTIME_check(thisupd)) {
        ERR_raise(ERR_LIB_OCSP, OCSP_R_ERROR_IN_THISUPDATE_FIELD);
        ret = 0;
    } else {
        t_tmp = t_now + nsec;
        if (X509_cmp_time(thisupd, &t_tmp) > 0) {
            ERR_raise(ERR_LIB_OCSP, OCSP_R_STATUS_NOT_YET_VALID);
            ret = 0;
        }

        /*
         * If maxsec specified check thisUpdate is not more than maxsec in
         * the past
         */
        if (maxsec >= 0) {
            t_tmp = t_now - maxsec;
            if (X509_cmp_time(thisupd, &t_tmp) < 0) {
                ERR_raise(ERR_LIB_OCSP, OCSP_R_STATUS_TOO_OLD);
                ret = 0;
            }
        }
    }

    if (nextupd == NULL)
        return ret;

    /* Check nextUpdate is valid and not more than nsec in the past */
    if (!ASN1_GENERALIZEDTIME_check(nextupd)) {
        ERR_raise(ERR_LIB_OCSP, OCSP_R_ERROR_IN_NEXTUPDATE_FIELD);
        ret = 0;
    } else {
        t_tmp = t_now - nsec;
        if (X509_cmp_time(nextupd, &t_tmp) < 0) {
            ERR_raise(ERR_LIB_OCSP, OCSP_R_STATUS_EXPIRED);
            ret = 0;
        }
    }

    /* Also don't allow nextUpdate to precede thisUpdate */
    if (ASN1_STRING_cmp(nextupd, thisupd) < 0) {
        ERR_raise(ERR_LIB_OCSP, OCSP_R_NEXTUPDATE_BEFORE_THISUPDATE);
        ret = 0;
    }

    return ret;
}

const OCSP_CERTID *OCSP_SINGLERESP_get0_id(const OCSP_SINGLERESP *single)
{
    return single->certId;
}

Coverage Report

Created: 2025-11-24 06:26

Line	Count	Source
1		/*
2		* Copyright 2001-2021 The OpenSSL Project Authors. All Rights Reserved.
3		*
4		* Licensed under the Apache License 2.0 (the "License"). You may not use
5		* this file except in compliance with the License. You can obtain a copy
6		* in the file LICENSE in the source distribution or at
7		* https://www.openssl.org/source/license.html
8		*/
9
10		#include <stdio.h>
11		#include <time.h>
12		#include "internal/cryptlib.h"
13		#include <openssl/asn1.h>
14		#include <openssl/objects.h>
15		#include <openssl/x509.h>
16		#include <openssl/pem.h>
17		#include <openssl/x509v3.h>
18		#include <openssl/ocsp.h>
19		#include "ocsp_local.h"
20
21		/*
22		* Utility functions related to sending OCSP requests and extracting relevant
23		* information from the response.
24		*/
25
26		/*
27		* Add an OCSP_CERTID to an OCSP request. Return new OCSP_ONEREQ pointer:
28		* useful if we want to add extensions.
29		*/
30		OCSP_ONEREQ OCSP_request_add0_id(OCSP_REQUEST req, OCSP_CERTID *cid)
31	0	{
32	0	OCSP_ONEREQ *one = NULL;
33
34	0	if ((one = OCSP_ONEREQ_new()) == NULL)
35	0	return NULL;
36	0	OCSP_CERTID_free(one->reqCert);
37	0	one->reqCert = cid;
38	0	if (req && !sk_OCSP_ONEREQ_push(req->tbsRequest.requestList, one)) {
39	0	one->reqCert = NULL; /* do not free on error */
40	0	OCSP_ONEREQ_free(one);
41	0	return NULL;
42	0	}
43	0	return one;
44	0	}
45
46		/* Set requestorName from an X509_NAME structure */
47		int OCSP_request_set1_name(OCSP_REQUEST req, const X509_NAME nm)
48	0	{
49	0	return GENERAL_NAME_set1_X509_NAME(&req->tbsRequest.requestorName, nm);
50	0	}
51
52		/* Add a certificate to an OCSP request */
53		int OCSP_request_add1_cert(OCSP_REQUEST req, X509 cert)
54	0	{
55	0	if (req->optionalSignature == NULL
56	0	&& (req->optionalSignature = OCSP_SIGNATURE_new()) == NULL)
57	0	return 0;
58	0	if (cert == NULL)
59	0	return 1;
60	0	return ossl_x509_add_cert_new(&req->optionalSignature->certs, cert,
61	0	X509_ADD_FLAG_UP_REF);
62	0	}
63
64		/*
65		* Sign an OCSP request set the requestorName to the subject name of an
66		* optional signers certificate and include one or more optional certificates
67		* in the request. Behaves like PKCS7_sign().
68		*/
69		int OCSP_request_sign(OCSP_REQUEST *req,
70		X509 *signer,
71		EVP_PKEY *key,
72		const EVP_MD *dgst,
73		STACK_OF(X509) *certs, unsigned long flags)
74	0	{
75	0	if (!OCSP_request_set1_name(req, X509_get_subject_name(signer)))
76	0	goto err;
77
78	0	if ((req->optionalSignature = OCSP_SIGNATURE_new()) == NULL)
79	0	goto err;
80	0	if (key != NULL) {
81	0	if (!X509_check_private_key(signer, key)) {
82	0	ERR_raise(ERR_LIB_OCSP,
83	0	OCSP_R_PRIVATE_KEY_DOES_NOT_MATCH_CERTIFICATE);
84	0	goto err;
85	0	}
86	0	if (!OCSP_REQUEST_sign(req, key, dgst, signer->libctx, signer->propq))
87	0	goto err;
88	0	}
89
90	0	if ((flags & OCSP_NOCERTS) == 0) {
91	0	if (!OCSP_request_add1_cert(req, signer)
92	0	\|\| !X509_add_certs(req->optionalSignature->certs, certs,
93	0	X509_ADD_FLAG_UP_REF))
94	0	goto err;
95	0	}
96
97	0	return 1;
98	0	err:
99	0	OCSP_SIGNATURE_free(req->optionalSignature);
100	0	req->optionalSignature = NULL;
101	0	return 0;
102	0	}
103
104		/* Get response status */
105		int OCSP_response_status(OCSP_RESPONSE *resp)
106	0	{
107	0	return ASN1_ENUMERATED_get(resp->responseStatus);
108	0	}
109
110		/*
111		* Extract basic response from OCSP_RESPONSE or NULL if no basic response
112		* present.
113		*/
114		OCSP_BASICRESP OCSP_response_get1_basic(OCSP_RESPONSE resp)
115	0	{
116	0	OCSP_RESPBYTES *rb = resp->responseBytes;
117
118	0	if (rb == NULL) {
119	0	ERR_raise(ERR_LIB_OCSP, OCSP_R_NO_RESPONSE_DATA);
120	0	return NULL;
121	0	}
122	0	if (OBJ_obj2nid(rb->responseType) != NID_id_pkix_OCSP_basic) {
123	0	ERR_raise(ERR_LIB_OCSP, OCSP_R_NOT_BASIC_RESPONSE);
124	0	return NULL;
125	0	}
126
127	0	return ASN1_item_unpack(rb->response, ASN1_ITEM_rptr(OCSP_BASICRESP));
128	0	}
129
130		const ASN1_OCTET_STRING OCSP_resp_get0_signature(const OCSP_BASICRESP bs)
131	0	{
132	0	return bs->signature;
133	0	}
134
135		const X509_ALGOR OCSP_resp_get0_tbs_sigalg(const OCSP_BASICRESP bs)
136	0	{
137	0	return &bs->signatureAlgorithm;
138	0	}
139
140		const OCSP_RESPDATA OCSP_resp_get0_respdata(const OCSP_BASICRESP bs)
141	0	{
142	0	return &bs->tbsResponseData;
143	0	}
144
145		/* Return number of OCSP_SINGLERESP responses present in a basic response */
146
147		int OCSP_resp_count(OCSP_BASICRESP *bs)
148	0	{
149	0	if (bs == NULL)
150	0	return -1;
151	0	return sk_OCSP_SINGLERESP_num(bs->tbsResponseData.responses);
152	0	}
153
154		/* Extract an OCSP_SINGLERESP response with a given index */
155		OCSP_SINGLERESP OCSP_resp_get0(OCSP_BASICRESP bs, int idx)
156	0	{
157	0	if (bs == NULL)
158	0	return NULL;
159	0	return sk_OCSP_SINGLERESP_value(bs->tbsResponseData.responses, idx);
160	0	}
161
162		const ASN1_GENERALIZEDTIME OCSP_resp_get0_produced_at(const OCSP_BASICRESP bs)
163	0	{
164	0	return bs->tbsResponseData.producedAt;
165	0	}
166
167		const STACK_OF(X509) OCSP_resp_get0_certs(const OCSP_BASICRESP bs)
168	0	{
169	0	return bs->certs;
170	0	}
171
172		int OCSP_resp_get0_id(const OCSP_BASICRESP *bs,
173		const ASN1_OCTET_STRING **pid,
174		const X509_NAME **pname)
175	0	{
176	0	const OCSP_RESPID *rid = &bs->tbsResponseData.responderId;
177
178	0	if (rid->type == V_OCSP_RESPID_NAME) {
179	0	*pname = rid->value.byName;
180	0	*pid = NULL;
181	0	} else if (rid->type == V_OCSP_RESPID_KEY) {
182	0	*pid = rid->value.byKey;
183	0	*pname = NULL;
184	0	} else {
185	0	return 0;
186	0	}
187	0	return 1;
188	0	}
189
190		int OCSP_resp_get1_id(const OCSP_BASICRESP *bs,
191		ASN1_OCTET_STRING **pid,
192		X509_NAME **pname)
193	0	{
194	0	const OCSP_RESPID *rid = &bs->tbsResponseData.responderId;
195
196	0	if (rid->type == V_OCSP_RESPID_NAME) {
197	0	*pname = X509_NAME_dup(rid->value.byName);
198	0	*pid = NULL;
199	0	} else if (rid->type == V_OCSP_RESPID_KEY) {
200	0	*pid = ASN1_OCTET_STRING_dup(rid->value.byKey);
201	0	*pname = NULL;
202	0	} else {
203	0	return 0;
204	0	}
205	0	if (pname == NULL && pid == NULL)
206	0	return 0;
207	0	return 1;
208	0	}
209
210		/* Look single response matching a given certificate ID */
211		int OCSP_resp_find(OCSP_BASICRESP bs, OCSP_CERTID id, int last)
212	0	{
213	0	int i;
214	0	STACK_OF(OCSP_SINGLERESP) *sresp;
215	0	OCSP_SINGLERESP *single;
216
217	0	if (bs == NULL)
218	0	return -1;
219	0	if (last < 0)
220	0	last = 0;
221	0	else
222	0	last++;
223	0	sresp = bs->tbsResponseData.responses;
224	0	for (i = last; i < sk_OCSP_SINGLERESP_num(sresp); i++) {
225	0	single = sk_OCSP_SINGLERESP_value(sresp, i);
226	0	if (!OCSP_id_cmp(id, single->certId))
227	0	return i;
228	0	}
229	0	return -1;
230	0	}
231
232		/*
233		* Extract status information from an OCSP_SINGLERESP structure. Note: the
234		* revtime and reason values are only set if the certificate status is
235		* revoked. Returns numerical value of status.
236		*/
237		int OCSP_single_get0_status(OCSP_SINGLERESP single, int reason,
238		ASN1_GENERALIZEDTIME **revtime,
239		ASN1_GENERALIZEDTIME **thisupd,
240		ASN1_GENERALIZEDTIME **nextupd)
241	0	{
242	0	int ret;
243	0	OCSP_CERTSTATUS *cst;
244
245	0	if (single == NULL)
246	0	return -1;
247	0	cst = single->certStatus;
248	0	ret = cst->type;
249	0	if (ret == V_OCSP_CERTSTATUS_REVOKED) {
250	0	OCSP_REVOKEDINFO *rev = cst->value.revoked;
251
252	0	if (revtime)
253	0	*revtime = rev->revocationTime;
254	0	if (reason) {
255	0	if (rev->revocationReason)
256	0	*reason = ASN1_ENUMERATED_get(rev->revocationReason);
257	0	else
258	0	*reason = -1;
259	0	}
260	0	}
261	0	if (thisupd != NULL)
262	0	*thisupd = single->thisUpdate;
263	0	if (nextupd != NULL)
264	0	*nextupd = single->nextUpdate;
265	0	return ret;
266	0	}
267
268		/*
269		* This function combines the previous ones: look up a certificate ID and if
270		* found extract status information. Return 0 is successful.
271		*/
272		int OCSP_resp_find_status(OCSP_BASICRESP bs, OCSP_CERTID id, int *status,
273		int *reason,
274		ASN1_GENERALIZEDTIME **revtime,
275		ASN1_GENERALIZEDTIME **thisupd,
276		ASN1_GENERALIZEDTIME **nextupd)
277	0	{
278	0	int i = OCSP_resp_find(bs, id, -1);
279	0	OCSP_SINGLERESP *single;
280
281		/* Maybe check for multiple responses and give an error? */
282	0	if (i < 0)
283	0	return 0;
284	0	single = OCSP_resp_get0(bs, i);
285	0	i = OCSP_single_get0_status(single, reason, revtime, thisupd, nextupd);
286	0	if (status != NULL)
287	0	*status = i;
288	0	return 1;
289	0	}
290
291		/*
292		* Check validity of thisUpdate and nextUpdate fields. It is possible that
293		* the request will take a few seconds to process and/or the time won't be
294		* totally accurate. Therefore to avoid rejecting otherwise valid time we
295		* allow the times to be within 'nsec' of the current time. Also to avoid
296		* accepting very old responses without a nextUpdate field an optional maxage
297		* parameter specifies the maximum age the thisUpdate field can be.
298		*/
299		int OCSP_check_validity(ASN1_GENERALIZEDTIME *thisupd,
300		ASN1_GENERALIZEDTIME *nextupd, long nsec, long maxsec)
301	0	{
302	0	int ret = 1;
303	0	time_t t_now, t_tmp;
304
305	0	time(&t_now);
306		/* Check thisUpdate is valid and not more than nsec in the future */
307	0	if (!ASN1_GENERALIZEDTIME_check(thisupd)) {
308	0	ERR_raise(ERR_LIB_OCSP, OCSP_R_ERROR_IN_THISUPDATE_FIELD);
309	0	ret = 0;
310	0	} else {
311	0	t_tmp = t_now + nsec;
312	0	if (X509_cmp_time(thisupd, &t_tmp) > 0) {
313	0	ERR_raise(ERR_LIB_OCSP, OCSP_R_STATUS_NOT_YET_VALID);
314	0	ret = 0;
315	0	}
316
317		/*
318		* If maxsec specified check thisUpdate is not more than maxsec in
319		* the past
320		*/
321	0	if (maxsec >= 0) {
322	0	t_tmp = t_now - maxsec;
323	0	if (X509_cmp_time(thisupd, &t_tmp) < 0) {
324	0	ERR_raise(ERR_LIB_OCSP, OCSP_R_STATUS_TOO_OLD);
325	0	ret = 0;
326	0	}
327	0	}
328	0	}
329
330	0	if (nextupd == NULL)
331	0	return ret;
332
333		/* Check nextUpdate is valid and not more than nsec in the past */
334	0	if (!ASN1_GENERALIZEDTIME_check(nextupd)) {
335	0	ERR_raise(ERR_LIB_OCSP, OCSP_R_ERROR_IN_NEXTUPDATE_FIELD);
336	0	ret = 0;
337	0	} else {
338	0	t_tmp = t_now - nsec;
339	0	if (X509_cmp_time(nextupd, &t_tmp) < 0) {
340	0	ERR_raise(ERR_LIB_OCSP, OCSP_R_STATUS_EXPIRED);
341	0	ret = 0;
342	0	}
343	0	}
344
345		/* Also don't allow nextUpdate to precede thisUpdate */
346	0	if (ASN1_STRING_cmp(nextupd, thisupd) < 0) {
347	0	ERR_raise(ERR_LIB_OCSP, OCSP_R_NEXTUPDATE_BEFORE_THISUPDATE);
348	0	ret = 0;
349	0	}
350
351	0	return ret;
352	0	}
353
354		const OCSP_CERTID OCSP_SINGLERESP_get0_id(const OCSP_SINGLERESP single)
355	0	{
356	0	return single->certId;
357	0	}