Head

GCC Code Coverage Report

Directory:	./		Exec	Total	Coverage
File:	lib/libcrypto/ocsp/ocsp_ext.c	Lines:	38	133	28.6 %
Date:	2017-11-13	Branches:	9	90	10.0 %


/* $OpenBSD: ocsp_ext.c,v 1.15 2016/12/27 16:01:19 jsing Exp $ */
/* 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 <stdlib.h>
#include <string.h>

#include <openssl/objects.h>
#include <openssl/ocsp.h>
#include <openssl/x509.h>
#include <openssl/x509v3.h>

/* Standard wrapper functions for extensions */

/* OCSP request extensions */

int
OCSP_REQUEST_get_ext_count(OCSP_REQUEST *x)
{
	return X509v3_get_ext_count(x->tbsRequest->requestExtensions);
}

int
OCSP_REQUEST_get_ext_by_NID(OCSP_REQUEST *x, int nid, int lastpos)
{
	return X509v3_get_ext_by_NID(x->tbsRequest->requestExtensions, nid,
	    lastpos);
}

int
OCSP_REQUEST_get_ext_by_OBJ(OCSP_REQUEST *x, ASN1_OBJECT *obj, int lastpos)
{
	return X509v3_get_ext_by_OBJ(x->tbsRequest->requestExtensions, obj,
	    lastpos);
}

int
OCSP_REQUEST_get_ext_by_critical(OCSP_REQUEST *x, int crit, int lastpos)
{
	return X509v3_get_ext_by_critical(x->tbsRequest->requestExtensions,
	    crit, lastpos);
}

X509_EXTENSION *
OCSP_REQUEST_get_ext(OCSP_REQUEST *x, int loc)
{
	return X509v3_get_ext(x->tbsRequest->requestExtensions, loc);
}

X509_EXTENSION *
OCSP_REQUEST_delete_ext(OCSP_REQUEST *x, int loc)
{
	return X509v3_delete_ext(x->tbsRequest->requestExtensions, loc);
}

void *
OCSP_REQUEST_get1_ext_d2i(OCSP_REQUEST *x, int nid, int *crit, int *idx)
{
	return X509V3_get_d2i(x->tbsRequest->requestExtensions, nid, crit, idx);
}

int
OCSP_REQUEST_add1_ext_i2d(OCSP_REQUEST *x, int nid, void *value, int crit,
    unsigned long flags)
{
	return X509V3_add1_i2d(&x->tbsRequest->requestExtensions, nid, value,
	    crit, flags);
}

int
OCSP_REQUEST_add_ext(OCSP_REQUEST *x, X509_EXTENSION *ex, int loc)
{
	return X509v3_add_ext(&(x->tbsRequest->requestExtensions), ex,
	    loc) != NULL;
}

/* Single extensions */

int
OCSP_ONEREQ_get_ext_count(OCSP_ONEREQ *x)
{
	return X509v3_get_ext_count(x->singleRequestExtensions);
}

int
OCSP_ONEREQ_get_ext_by_NID(OCSP_ONEREQ *x, int nid, int lastpos)
{
	return X509v3_get_ext_by_NID(x->singleRequestExtensions, nid, lastpos);
}

int
OCSP_ONEREQ_get_ext_by_OBJ(OCSP_ONEREQ *x, ASN1_OBJECT *obj, int lastpos)
{
	return X509v3_get_ext_by_OBJ(x->singleRequestExtensions, obj, lastpos);
}

int
OCSP_ONEREQ_get_ext_by_critical(OCSP_ONEREQ *x, int crit, int lastpos)
{
	return X509v3_get_ext_by_critical(x->singleRequestExtensions, crit,
	    lastpos);
}

X509_EXTENSION *
OCSP_ONEREQ_get_ext(OCSP_ONEREQ *x, int loc)
{
	return X509v3_get_ext(x->singleRequestExtensions, loc);
}

X509_EXTENSION *
OCSP_ONEREQ_delete_ext(OCSP_ONEREQ *x, int loc)
{
	return X509v3_delete_ext(x->singleRequestExtensions, loc);
}

void *
OCSP_ONEREQ_get1_ext_d2i(OCSP_ONEREQ *x, int nid, int *crit, int *idx)
{
	return X509V3_get_d2i(x->singleRequestExtensions, nid, crit, idx);
}

int
OCSP_ONEREQ_add1_ext_i2d(OCSP_ONEREQ *x, int nid, void *value, int crit,
    unsigned long flags)
{
	return X509V3_add1_i2d(&x->singleRequestExtensions, nid, value, crit,
	    flags);
}

int
OCSP_ONEREQ_add_ext(OCSP_ONEREQ *x, X509_EXTENSION *ex, int loc)
{
	return X509v3_add_ext(&(x->singleRequestExtensions), ex, loc) != NULL;
}

/* OCSP Basic response */

int
OCSP_BASICRESP_get_ext_count(OCSP_BASICRESP *x)
{
	return X509v3_get_ext_count(x->tbsResponseData->responseExtensions);
}

int
OCSP_BASICRESP_get_ext_by_NID(OCSP_BASICRESP *x, int nid, int lastpos)
{
	return X509v3_get_ext_by_NID(x->tbsResponseData->responseExtensions,
	    nid, lastpos);
}

int
OCSP_BASICRESP_get_ext_by_OBJ(OCSP_BASICRESP *x, ASN1_OBJECT *obj, int lastpos)
{
	return X509v3_get_ext_by_OBJ(x->tbsResponseData->responseExtensions,
	    obj, lastpos);
}

int
OCSP_BASICRESP_get_ext_by_critical(OCSP_BASICRESP *x, int crit, int lastpos)
{
	return X509v3_get_ext_by_critical(
	    x->tbsResponseData->responseExtensions, crit, lastpos);
}

X509_EXTENSION *
OCSP_BASICRESP_get_ext(OCSP_BASICRESP *x, int loc)
{
	return X509v3_get_ext(x->tbsResponseData->responseExtensions, loc);
}

X509_EXTENSION *
OCSP_BASICRESP_delete_ext(OCSP_BASICRESP *x, int loc)
{
	return X509v3_delete_ext(x->tbsResponseData->responseExtensions, loc);
}

void *
OCSP_BASICRESP_get1_ext_d2i(OCSP_BASICRESP *x, int nid, int *crit, int *idx)
{
	return X509V3_get_d2i(x->tbsResponseData->responseExtensions, nid,
	    crit, idx);
}

int
OCSP_BASICRESP_add1_ext_i2d(OCSP_BASICRESP *x, int nid, void *value, int crit,
    unsigned long flags)
{
	return X509V3_add1_i2d(&x->tbsResponseData->responseExtensions, nid,
	    value, crit, flags);
}

int
OCSP_BASICRESP_add_ext(OCSP_BASICRESP *x, X509_EXTENSION *ex, int loc)
{
	return X509v3_add_ext(&(x->tbsResponseData->responseExtensions), ex,
	    loc) != NULL;
}

/* OCSP single response extensions */

int
OCSP_SINGLERESP_get_ext_count(OCSP_SINGLERESP *x)
{
	return X509v3_get_ext_count(x->singleExtensions);
}

int
OCSP_SINGLERESP_get_ext_by_NID(OCSP_SINGLERESP *x, int nid, int lastpos)
{
	return X509v3_get_ext_by_NID(x->singleExtensions, nid, lastpos);
}

int
OCSP_SINGLERESP_get_ext_by_OBJ(OCSP_SINGLERESP *x, ASN1_OBJECT *obj,
    int lastpos)
{
	return X509v3_get_ext_by_OBJ(x->singleExtensions, obj, lastpos);
}

int
OCSP_SINGLERESP_get_ext_by_critical(OCSP_SINGLERESP *x, int crit, int lastpos)
{
	return X509v3_get_ext_by_critical(x->singleExtensions, crit, lastpos);
}

X509_EXTENSION *
OCSP_SINGLERESP_get_ext(OCSP_SINGLERESP *x, int loc)
{
	return X509v3_get_ext(x->singleExtensions, loc);
}

X509_EXTENSION *
OCSP_SINGLERESP_delete_ext(OCSP_SINGLERESP *x, int loc)
{
	return X509v3_delete_ext(x->singleExtensions, loc);
}

void *
OCSP_SINGLERESP_get1_ext_d2i(OCSP_SINGLERESP *x, int nid, int *crit, int *idx)
{
	return X509V3_get_d2i(x->singleExtensions, nid, crit, idx);
}

int
OCSP_SINGLERESP_add1_ext_i2d(OCSP_SINGLERESP *x, int nid, void *value, int crit,
    unsigned long flags)
{
	return X509V3_add1_i2d(&x->singleExtensions, nid, value, crit, flags);
}

int
OCSP_SINGLERESP_add_ext(OCSP_SINGLERESP *x, X509_EXTENSION *ex, int loc)
{
	return X509v3_add_ext(&(x->singleExtensions), ex, loc) != NULL;
}

/* Nonce handling functions */

/* Add a nonce to an extension stack. A nonce can be specificed or if NULL
 * a random nonce will be generated.
 * Note: OpenSSL 0.9.7d and later create an OCTET STRING containing the
 * nonce, previous versions used the raw nonce.
 */

static int
ocsp_add1_nonce(STACK_OF(X509_EXTENSION) **exts, unsigned char *val, int len)
{
	unsigned char *tmpval;
	ASN1_OCTET_STRING os;
	int ret = 0;

	if (len <= 0)
		len = OCSP_DEFAULT_NONCE_LENGTH;
	/* Create the OCTET STRING manually by writing out the header and
	 * appending the content octets. This avoids an extra memory allocation
	 * operation in some cases. Applications should *NOT* do this because
	 * it relies on library internals.
	 */
	os.length = ASN1_object_size(0, len, V_ASN1_OCTET_STRING);
	os.data = malloc(os.length);
	if (os.data == NULL)
		goto err;
	tmpval = os.data;
	ASN1_put_object(&tmpval, 0, len, V_ASN1_OCTET_STRING, V_ASN1_UNIVERSAL);
	if (val)
		memcpy(tmpval, val, len);
	else
		arc4random_buf(tmpval, len);
	if (!X509V3_add1_i2d(exts, NID_id_pkix_OCSP_Nonce, &os, 0,
	    X509V3_ADD_REPLACE))
		goto err;
	ret = 1;

err:
	free(os.data);
	return ret;
}

/* Add nonce to an OCSP request */
int
OCSP_request_add1_nonce(OCSP_REQUEST *req, unsigned char *val, int len)
{
	return ocsp_add1_nonce(&req->tbsRequest->requestExtensions, val, len);
}

/* Same as above but for a response */
int
OCSP_basic_add1_nonce(OCSP_BASICRESP *resp, unsigned char *val, int len)
{
	return ocsp_add1_nonce(&resp->tbsResponseData->responseExtensions, val,
	    len);
}

/* Check nonce validity in a request and response.
 * Return value reflects result:
 *  1: nonces present and equal.
 *  2: nonces both absent.
 *  3: nonce present in response only.
 *  0: nonces both present and not equal.
 * -1: nonce in request only.
 *
 *  For most responders clients can check return > 0.
 *  If responder doesn't handle nonces return != 0 may be
 *  necessary. return == 0 is always an error.
 */
int
OCSP_check_nonce(OCSP_REQUEST *req, OCSP_BASICRESP *bs)
{
	/*
	 * Since we are only interested in the presence or absence of
	 * the nonce and comparing its value there is no need to use
	 * the X509V3 routines: this way we can avoid them allocating an
	 * ASN1_OCTET_STRING structure for the value which would be
	 * freed immediately anyway.
	 */
	int req_idx, resp_idx;
	X509_EXTENSION *req_ext, *resp_ext;

	req_idx = OCSP_REQUEST_get_ext_by_NID(req, NID_id_pkix_OCSP_Nonce, -1);
	resp_idx = OCSP_BASICRESP_get_ext_by_NID(bs,
	    NID_id_pkix_OCSP_Nonce, -1);
	/* Check both absent */
	if (req_idx < 0 && resp_idx < 0)
		return 2;
	/* Check in request only */
	if (req_idx >= 0 && resp_idx < 0)
		return -1;
	/* Check in response but not request */
	if (req_idx < 0 && resp_idx >= 0)
		return 3;
	/* Otherwise nonce in request and response so retrieve the extensions */
	req_ext = OCSP_REQUEST_get_ext(req, req_idx);
	resp_ext = OCSP_BASICRESP_get_ext(bs, resp_idx);
	if (ASN1_OCTET_STRING_cmp(req_ext->value, resp_ext->value))
		return 0;
	return 1;
}

/* Copy the nonce value (if any) from an OCSP request to
 * a response.
 */
int
OCSP_copy_nonce(OCSP_BASICRESP *resp, OCSP_REQUEST *req)
{
	X509_EXTENSION *req_ext;
	int req_idx;

	/* Check for nonce in request */
	req_idx = OCSP_REQUEST_get_ext_by_NID(req, NID_id_pkix_OCSP_Nonce, -1);
	/* If no nonce that's OK */
	if (req_idx < 0)
		return 2;
	req_ext = OCSP_REQUEST_get_ext(req, req_idx);
	return OCSP_BASICRESP_add_ext(resp, req_ext, -1);
}

X509_EXTENSION *
OCSP_crlID_new(char *url, long *n, char *tim)
{
	X509_EXTENSION *x = NULL;
	OCSP_CRLID *cid = NULL;

	if (!(cid = OCSP_CRLID_new()))
		goto err;
	if (url) {
		if (!(cid->crlUrl = ASN1_IA5STRING_new()))
			goto err;
		if (!(ASN1_STRING_set(cid->crlUrl, url, -1)))
			goto err;
	}
	if (n) {
		if (!(cid->crlNum = ASN1_INTEGER_new()))
			goto err;
		if (!(ASN1_INTEGER_set(cid->crlNum, *n)))
			goto err;
	}
	if (tim) {
		if (!(cid->crlTime = ASN1_GENERALIZEDTIME_new()))
			goto err;
		if (!(ASN1_GENERALIZEDTIME_set_string(cid->crlTime, tim)))
			goto err;
	}
	x = X509V3_EXT_i2d(NID_id_pkix_OCSP_CrlID, 0, cid);

err:
	if (cid)
		OCSP_CRLID_free(cid);
	return x;
}

/*   AcceptableResponses ::= SEQUENCE OF OBJECT IDENTIFIER */
X509_EXTENSION *
OCSP_accept_responses_new(char **oids)
{
	int nid;
	STACK_OF(ASN1_OBJECT) *sk = NULL;
	ASN1_OBJECT *o = NULL;
	X509_EXTENSION *x = NULL;

	if (!(sk = sk_ASN1_OBJECT_new_null()))
		return NULL;
	while (oids && *oids) {
		if ((nid = OBJ_txt2nid(*oids)) != NID_undef &&
		    (o = OBJ_nid2obj(nid)))
			if (sk_ASN1_OBJECT_push(sk, o) == 0) {
				sk_ASN1_OBJECT_pop_free(sk, ASN1_OBJECT_free);
				return NULL;
			}
		oids++;
	}
	x = X509V3_EXT_i2d(NID_id_pkix_OCSP_acceptableResponses, 0, sk);
	sk_ASN1_OBJECT_pop_free(sk, ASN1_OBJECT_free);
	return x;
}

/*  ArchiveCutoff ::= GeneralizedTime */
X509_EXTENSION *
OCSP_archive_cutoff_new(char* tim)
{
	X509_EXTENSION *x = NULL;
	ASN1_GENERALIZEDTIME *gt = NULL;

	if (!(gt = ASN1_GENERALIZEDTIME_new()))
		return NULL;
	if (!(ASN1_GENERALIZEDTIME_set_string(gt, tim)))
		goto err;
	x = X509V3_EXT_i2d(NID_id_pkix_OCSP_archiveCutoff, 0, gt);

err:
	if (gt)
		ASN1_GENERALIZEDTIME_free(gt);
	return x;
}

/* per ACCESS_DESCRIPTION parameter are oids, of which there are currently
 * two--NID_ad_ocsp, NID_id_ad_caIssuers--and GeneralName value.  This
 * method forces NID_ad_ocsp and uniformResourceLocator [6] IA5String.
 */
X509_EXTENSION *
OCSP_url_svcloc_new(X509_NAME* issuer, char **urls)
{
	X509_EXTENSION *x = NULL;
	ASN1_IA5STRING *ia5 = NULL;
	OCSP_SERVICELOC *sloc = NULL;
	ACCESS_DESCRIPTION *ad = NULL;

	if (!(sloc = OCSP_SERVICELOC_new()))
		goto err;
	if (!(sloc->issuer = X509_NAME_dup(issuer)))
		goto err;
	if (urls && *urls &&
	    !(sloc->locator = sk_ACCESS_DESCRIPTION_new_null()))
		goto err;
	while (urls && *urls) {
		if (!(ad = ACCESS_DESCRIPTION_new()))
			goto err;
		if (!(ad->method = OBJ_nid2obj(NID_ad_OCSP)))
			goto err;
		if (!(ad->location = GENERAL_NAME_new()))
			goto err;
		if (!(ia5 = ASN1_IA5STRING_new()))
			goto err;
		if (!ASN1_STRING_set((ASN1_STRING*)ia5, *urls, -1))
			goto err;
		ad->location->type = GEN_URI;
		ad->location->d.ia5 = ia5;
		ia5 = NULL;
		if (!sk_ACCESS_DESCRIPTION_push(sloc->locator, ad))
			goto err;
		ad = NULL;
		urls++;
	}
	x = X509V3_EXT_i2d(NID_id_pkix_OCSP_serviceLocator, 0, sloc);

err:
	if (ia5)
		ASN1_IA5STRING_free(ia5);
	if (ad)
		ACCESS_DESCRIPTION_free(ad);
	if (sloc)
		OCSP_SERVICELOC_free(sloc);
	return x;
}


Generated by: GCOVR (Version 3.3)

Line	Branch	Exec	Source
1			/* $OpenBSD: ocsp_ext.c,v 1.15 2016/12/27 16:01:19 jsing Exp $ */
2			/* Written by Tom Titchener <Tom_Titchener@groove.net> for the OpenSSL
3			* project. */
4
5			/* History:
6			This file was transfered to Richard Levitte from CertCo by Kathy
7			Weinhold in mid-spring 2000 to be included in OpenSSL or released
8			as a patch kit. */
9
10			/* ====================================================================
11			* Copyright (c) 1998-2000 The OpenSSL Project. All rights reserved.
12			*
13			* Redistribution and use in source and binary forms, with or without
14			* modification, are permitted provided that the following conditions
15			* are met:
16			*
17			* 1. Redistributions of source code must retain the above copyright
18			* notice, this list of conditions and the following disclaimer.
19			*
20			* 2. Redistributions in binary form must reproduce the above copyright
21			* notice, this list of conditions and the following disclaimer in
22			* the documentation and/or other materials provided with the
23			* distribution.
24			*
25			* 3. All advertising materials mentioning features or use of this
26			* software must display the following acknowledgment:
27			* "This product includes software developed by the OpenSSL Project
28			* for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
29			*
30			* 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
31			* endorse or promote products derived from this software without
32			* prior written permission. For written permission, please contact
33			* openssl-core@openssl.org.
34			*
35			* 5. Products derived from this software may not be called "OpenSSL"
36			* nor may "OpenSSL" appear in their names without prior written
37			* permission of the OpenSSL Project.
38			*
39			* 6. Redistributions of any form whatsoever must retain the following
40			* acknowledgment:
41			* "This product includes software developed by the OpenSSL Project
42			* for use in the OpenSSL Toolkit (http://www.openssl.org/)"
43			*
44			* THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
45			* EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
46			* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
47			* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
48			* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
49			* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
50			* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
51			* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
52			* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
53			* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
54			* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
55			* OF THE POSSIBILITY OF SUCH DAMAGE.
56			* ====================================================================
57			*
58			* This product includes cryptographic software written by Eric Young
59			* (eay@cryptsoft.com). This product includes software written by Tim
60			* Hudson (tjh@cryptsoft.com).
61			*
62			*/
63
64			#include <stdio.h>
65			#include <stdlib.h>
66			#include <string.h>
67
68			#include <openssl/objects.h>
69			#include <openssl/ocsp.h>
70			#include <openssl/x509.h>
71			#include <openssl/x509v3.h>
72
73			/* Standard wrapper functions for extensions */
74
75			/* OCSP request extensions */
76
77			int
78			OCSP_REQUEST_get_ext_count(OCSP_REQUEST *x)
79			{
80			return X509v3_get_ext_count(x->tbsRequest->requestExtensions);
81			}
82
83			int
84			OCSP_REQUEST_get_ext_by_NID(OCSP_REQUEST *x, int nid, int lastpos)
85			{
86		16	return X509v3_get_ext_by_NID(x->tbsRequest->requestExtensions, nid,
87			lastpos);
88			}
89
90			int
91			OCSP_REQUEST_get_ext_by_OBJ(OCSP_REQUEST x, ASN1_OBJECT obj, int lastpos)
92			{
93			return X509v3_get_ext_by_OBJ(x->tbsRequest->requestExtensions, obj,
94			lastpos);
95			}
96
97			int
98			OCSP_REQUEST_get_ext_by_critical(OCSP_REQUEST *x, int crit, int lastpos)
99			{
100			return X509v3_get_ext_by_critical(x->tbsRequest->requestExtensions,
101			crit, lastpos);
102			}
103
104			X509_EXTENSION *
105			OCSP_REQUEST_get_ext(OCSP_REQUEST *x, int loc)
106			{
107		16	return X509v3_get_ext(x->tbsRequest->requestExtensions, loc);
108			}
109
110			X509_EXTENSION *
111			OCSP_REQUEST_delete_ext(OCSP_REQUEST *x, int loc)
112			{
113			return X509v3_delete_ext(x->tbsRequest->requestExtensions, loc);
114			}
115
116			void *
117			OCSP_REQUEST_get1_ext_d2i(OCSP_REQUEST x, int nid, int crit, int *idx)
118			{
119			return X509V3_get_d2i(x->tbsRequest->requestExtensions, nid, crit, idx);
120			}
121
122			int
123			OCSP_REQUEST_add1_ext_i2d(OCSP_REQUEST x, int nid, void value, int crit,
124			unsigned long flags)
125			{
126			return X509V3_add1_i2d(&x->tbsRequest->requestExtensions, nid, value,
127			crit, flags);
128			}
129
130			int
131			OCSP_REQUEST_add_ext(OCSP_REQUEST x, X509_EXTENSION ex, int loc)
132			{
133			return X509v3_add_ext(&(x->tbsRequest->requestExtensions), ex,
134			loc) != NULL;
135			}
136
137			/* Single extensions */
138
139			int
140			OCSP_ONEREQ_get_ext_count(OCSP_ONEREQ *x)
141			{
142			return X509v3_get_ext_count(x->singleRequestExtensions);
143			}
144
145			int
146			OCSP_ONEREQ_get_ext_by_NID(OCSP_ONEREQ *x, int nid, int lastpos)
147			{
148			return X509v3_get_ext_by_NID(x->singleRequestExtensions, nid, lastpos);
149			}
150
151			int
152			OCSP_ONEREQ_get_ext_by_OBJ(OCSP_ONEREQ x, ASN1_OBJECT obj, int lastpos)
153			{
154			return X509v3_get_ext_by_OBJ(x->singleRequestExtensions, obj, lastpos);
155			}
156
157			int
158			OCSP_ONEREQ_get_ext_by_critical(OCSP_ONEREQ *x, int crit, int lastpos)
159			{
160			return X509v3_get_ext_by_critical(x->singleRequestExtensions, crit,
161			lastpos);
162			}
163
164			X509_EXTENSION *
165			OCSP_ONEREQ_get_ext(OCSP_ONEREQ *x, int loc)
166			{
167			return X509v3_get_ext(x->singleRequestExtensions, loc);
168			}
169
170			X509_EXTENSION *
171			OCSP_ONEREQ_delete_ext(OCSP_ONEREQ *x, int loc)
172			{
173			return X509v3_delete_ext(x->singleRequestExtensions, loc);
174			}
175
176			void *
177			OCSP_ONEREQ_get1_ext_d2i(OCSP_ONEREQ x, int nid, int crit, int *idx)
178			{
179			return X509V3_get_d2i(x->singleRequestExtensions, nid, crit, idx);
180			}
181
182			int
183			OCSP_ONEREQ_add1_ext_i2d(OCSP_ONEREQ x, int nid, void value, int crit,
184			unsigned long flags)
185			{
186			return X509V3_add1_i2d(&x->singleRequestExtensions, nid, value, crit,
187			flags);
188			}
189
190			int
191			OCSP_ONEREQ_add_ext(OCSP_ONEREQ x, X509_EXTENSION ex, int loc)
192			{
193			return X509v3_add_ext(&(x->singleRequestExtensions), ex, loc) != NULL;
194			}
195
196			/* OCSP Basic response */
197
198			int
199			OCSP_BASICRESP_get_ext_count(OCSP_BASICRESP *x)
200			{
201			return X509v3_get_ext_count(x->tbsResponseData->responseExtensions);
202			}
203
204			int
205			OCSP_BASICRESP_get_ext_by_NID(OCSP_BASICRESP *x, int nid, int lastpos)
206			{
207		8	return X509v3_get_ext_by_NID(x->tbsResponseData->responseExtensions,
208			nid, lastpos);
209			}
210
211			int
212			OCSP_BASICRESP_get_ext_by_OBJ(OCSP_BASICRESP x, ASN1_OBJECT obj, int lastpos)
213			{
214			return X509v3_get_ext_by_OBJ(x->tbsResponseData->responseExtensions,
215			obj, lastpos);
216			}
217
218			int
219			OCSP_BASICRESP_get_ext_by_critical(OCSP_BASICRESP *x, int crit, int lastpos)
220			{
221			return X509v3_get_ext_by_critical(
222			x->tbsResponseData->responseExtensions, crit, lastpos);
223			}
224
225			X509_EXTENSION *
226			OCSP_BASICRESP_get_ext(OCSP_BASICRESP *x, int loc)
227			{
228		8	return X509v3_get_ext(x->tbsResponseData->responseExtensions, loc);
229			}
230
231			X509_EXTENSION *
232			OCSP_BASICRESP_delete_ext(OCSP_BASICRESP *x, int loc)
233			{
234			return X509v3_delete_ext(x->tbsResponseData->responseExtensions, loc);
235			}
236
237			void *
238			OCSP_BASICRESP_get1_ext_d2i(OCSP_BASICRESP x, int nid, int crit, int *idx)
239			{
240			return X509V3_get_d2i(x->tbsResponseData->responseExtensions, nid,
241			crit, idx);
242			}
243
244			int
245			OCSP_BASICRESP_add1_ext_i2d(OCSP_BASICRESP x, int nid, void value, int crit,
246			unsigned long flags)
247			{
248			return X509V3_add1_i2d(&x->tbsResponseData->responseExtensions, nid,
249			value, crit, flags);
250			}
251
252			int
253			OCSP_BASICRESP_add_ext(OCSP_BASICRESP x, X509_EXTENSION ex, int loc)
254			{
255		12	return X509v3_add_ext(&(x->tbsResponseData->responseExtensions), ex,
256		4	loc) != NULL;
257			}
258
259			/* OCSP single response extensions */
260
261			int
262			OCSP_SINGLERESP_get_ext_count(OCSP_SINGLERESP *x)
263			{
264			return X509v3_get_ext_count(x->singleExtensions);
265			}
266
267			int
268			OCSP_SINGLERESP_get_ext_by_NID(OCSP_SINGLERESP *x, int nid, int lastpos)
269			{
270			return X509v3_get_ext_by_NID(x->singleExtensions, nid, lastpos);
271			}
272
273			int
274			OCSP_SINGLERESP_get_ext_by_OBJ(OCSP_SINGLERESP x, ASN1_OBJECT obj,
275			int lastpos)
276			{
277			return X509v3_get_ext_by_OBJ(x->singleExtensions, obj, lastpos);
278			}
279
280			int
281			OCSP_SINGLERESP_get_ext_by_critical(OCSP_SINGLERESP *x, int crit, int lastpos)
282			{
283			return X509v3_get_ext_by_critical(x->singleExtensions, crit, lastpos);
284			}
285
286			X509_EXTENSION *
287			OCSP_SINGLERESP_get_ext(OCSP_SINGLERESP *x, int loc)
288			{
289			return X509v3_get_ext(x->singleExtensions, loc);
290			}
291
292			X509_EXTENSION *
293			OCSP_SINGLERESP_delete_ext(OCSP_SINGLERESP *x, int loc)
294			{
295			return X509v3_delete_ext(x->singleExtensions, loc);
296			}
297
298			void *
299			OCSP_SINGLERESP_get1_ext_d2i(OCSP_SINGLERESP x, int nid, int crit, int *idx)
300			{
301			return X509V3_get_d2i(x->singleExtensions, nid, crit, idx);
302			}
303
304			int
305			OCSP_SINGLERESP_add1_ext_i2d(OCSP_SINGLERESP x, int nid, void value, int crit,
306			unsigned long flags)
307			{
308			return X509V3_add1_i2d(&x->singleExtensions, nid, value, crit, flags);
309			}
310
311			int
312			OCSP_SINGLERESP_add_ext(OCSP_SINGLERESP x, X509_EXTENSION ex, int loc)
313			{
314			return X509v3_add_ext(&(x->singleExtensions), ex, loc) != NULL;
315			}
316
317			/* Nonce handling functions */
318
319			/* Add a nonce to an extension stack. A nonce can be specificed or if NULL
320			* a random nonce will be generated.
321			* Note: OpenSSL 0.9.7d and later create an OCTET STRING containing the
322			* nonce, previous versions used the raw nonce.
323			*/
324
325			static int
326			ocsp_add1_nonce(STACK_OF(X509_EXTENSION) *exts, unsigned char val, int len)
327			{
328		8	unsigned char *tmpval;
329		4	ASN1_OCTET_STRING os;
330			int ret = 0;
331
332	✓✗	4	if (len <= 0)
333		4	len = OCSP_DEFAULT_NONCE_LENGTH;
334			/* Create the OCTET STRING manually by writing out the header and
335			* appending the content octets. This avoids an extra memory allocation
336			* operation in some cases. Applications should NOT do this because
337			* it relies on library internals.
338			*/
339		4	os.length = ASN1_object_size(0, len, V_ASN1_OCTET_STRING);
340		4	os.data = malloc(os.length);
341	✓✗	4	if (os.data == NULL)
342			goto err;
343		4	tmpval = os.data;
344		4	ASN1_put_object(&tmpval, 0, len, V_ASN1_OCTET_STRING, V_ASN1_UNIVERSAL);
345	✗✓	4	if (val)
346			memcpy(tmpval, val, len);
347			else
348		4	arc4random_buf(tmpval, len);
349	✓✗	4	if (!X509V3_add1_i2d(exts, NID_id_pkix_OCSP_Nonce, &os, 0,
350			X509V3_ADD_REPLACE))
351			goto err;
352		4	ret = 1;
353
354			err:
355		4	free(os.data);
356		4	return ret;
357		4	}
358
359			/* Add nonce to an OCSP request */
360			int
361			OCSP_request_add1_nonce(OCSP_REQUEST req, unsigned char val, int len)
362			{
363		8	return ocsp_add1_nonce(&req->tbsRequest->requestExtensions, val, len);
364			}
365
366			/* Same as above but for a response */
367			int
368			OCSP_basic_add1_nonce(OCSP_BASICRESP resp, unsigned char val, int len)
369			{
370			return ocsp_add1_nonce(&resp->tbsResponseData->responseExtensions, val,
371			len);
372			}
373
374			/* Check nonce validity in a request and response.
375			* Return value reflects result:
376			* 1: nonces present and equal.
377			* 2: nonces both absent.
378			* 3: nonce present in response only.
379			* 0: nonces both present and not equal.
380			* -1: nonce in request only.
381			*
382			* For most responders clients can check return > 0.
383			* If responder doesn't handle nonces return != 0 may be
384			* necessary. return == 0 is always an error.
385			*/
386			int
387			OCSP_check_nonce(OCSP_REQUEST req, OCSP_BASICRESP bs)
388			{
389			/*
390			* Since we are only interested in the presence or absence of
391			* the nonce and comparing its value there is no need to use
392			* the X509V3 routines: this way we can avoid them allocating an
393			* ASN1_OCTET_STRING structure for the value which would be
394			* freed immediately anyway.
395			*/
396			int req_idx, resp_idx;
397			X509_EXTENSION req_ext, resp_ext;
398
399		8	req_idx = OCSP_REQUEST_get_ext_by_NID(req, NID_id_pkix_OCSP_Nonce, -1);
400		4	resp_idx = OCSP_BASICRESP_get_ext_by_NID(bs,
401			NID_id_pkix_OCSP_Nonce, -1);
402			/* Check both absent */
403	✗✓	4	if (req_idx < 0 && resp_idx < 0)
404			return 2;
405			/* Check in request only */
406	✗✓	4	if (req_idx >= 0 && resp_idx < 0)
407			return -1;
408			/* Check in response but not request */
409	✗✓	4	if (req_idx < 0 && resp_idx >= 0)
410			return 3;
411			/* Otherwise nonce in request and response so retrieve the extensions */
412		4	req_ext = OCSP_REQUEST_get_ext(req, req_idx);
413		4	resp_ext = OCSP_BASICRESP_get_ext(bs, resp_idx);
414	✗✓	4	if (ASN1_OCTET_STRING_cmp(req_ext->value, resp_ext->value))
415			return 0;
416		4	return 1;
417		4	}
418
419			/* Copy the nonce value (if any) from an OCSP request to
420			* a response.
421			*/
422			int
423			OCSP_copy_nonce(OCSP_BASICRESP resp, OCSP_REQUEST req)
424			{
425			X509_EXTENSION *req_ext;
426			int req_idx;
427
428			/* Check for nonce in request */
429		8	req_idx = OCSP_REQUEST_get_ext_by_NID(req, NID_id_pkix_OCSP_Nonce, -1);
430			/* If no nonce that's OK */
431	✗✓	4	if (req_idx < 0)
432			return 2;
433		4	req_ext = OCSP_REQUEST_get_ext(req, req_idx);
434		4	return OCSP_BASICRESP_add_ext(resp, req_ext, -1);
435		4	}
436
437			X509_EXTENSION *
438			OCSP_crlID_new(char url, long n, char *tim)
439			{
440			X509_EXTENSION *x = NULL;
441			OCSP_CRLID *cid = NULL;
442
443			if (!(cid = OCSP_CRLID_new()))
444			goto err;
445			if (url) {
446			if (!(cid->crlUrl = ASN1_IA5STRING_new()))
447			goto err;
448			if (!(ASN1_STRING_set(cid->crlUrl, url, -1)))
449			goto err;
450			}
451			if (n) {
452			if (!(cid->crlNum = ASN1_INTEGER_new()))
453			goto err;
454			if (!(ASN1_INTEGER_set(cid->crlNum, *n)))
455			goto err;
456			}
457			if (tim) {
458			if (!(cid->crlTime = ASN1_GENERALIZEDTIME_new()))
459			goto err;
460			if (!(ASN1_GENERALIZEDTIME_set_string(cid->crlTime, tim)))
461			goto err;
462			}
463			x = X509V3_EXT_i2d(NID_id_pkix_OCSP_CrlID, 0, cid);
464
465			err:
466			if (cid)
467			OCSP_CRLID_free(cid);
468			return x;
469			}
470
471			/* AcceptableResponses ::= SEQUENCE OF OBJECT IDENTIFIER */
472			X509_EXTENSION *
473			OCSP_accept_responses_new(char **oids)
474			{
475			int nid;
476			STACK_OF(ASN1_OBJECT) *sk = NULL;
477			ASN1_OBJECT *o = NULL;
478			X509_EXTENSION *x = NULL;
479
480			if (!(sk = sk_ASN1_OBJECT_new_null()))
481			return NULL;
482			while (oids && *oids) {
483			if ((nid = OBJ_txt2nid(*oids)) != NID_undef &&
484			(o = OBJ_nid2obj(nid)))
485			if (sk_ASN1_OBJECT_push(sk, o) == 0) {
486			sk_ASN1_OBJECT_pop_free(sk, ASN1_OBJECT_free);
487			return NULL;
488			}
489			oids++;
490			}
491			x = X509V3_EXT_i2d(NID_id_pkix_OCSP_acceptableResponses, 0, sk);
492			sk_ASN1_OBJECT_pop_free(sk, ASN1_OBJECT_free);
493			return x;
494			}
495
496			/* ArchiveCutoff ::= GeneralizedTime */
497			X509_EXTENSION *
498			OCSP_archive_cutoff_new(char* tim)
499			{
500			X509_EXTENSION *x = NULL;
501			ASN1_GENERALIZEDTIME *gt = NULL;
502
503			if (!(gt = ASN1_GENERALIZEDTIME_new()))
504			return NULL;
505			if (!(ASN1_GENERALIZEDTIME_set_string(gt, tim)))
506			goto err;
507			x = X509V3_EXT_i2d(NID_id_pkix_OCSP_archiveCutoff, 0, gt);
508
509			err:
510			if (gt)
511			ASN1_GENERALIZEDTIME_free(gt);
512			return x;
513			}
514
515			/* per ACCESS_DESCRIPTION parameter are oids, of which there are currently
516			* two--NID_ad_ocsp, NID_id_ad_caIssuers--and GeneralName value. This
517			* method forces NID_ad_ocsp and uniformResourceLocator [6] IA5String.
518			*/
519			X509_EXTENSION *
520			OCSP_url_svcloc_new(X509_NAME* issuer, char **urls)
521			{
522			X509_EXTENSION *x = NULL;
523			ASN1_IA5STRING *ia5 = NULL;
524			OCSP_SERVICELOC *sloc = NULL;
525			ACCESS_DESCRIPTION *ad = NULL;
526
527			if (!(sloc = OCSP_SERVICELOC_new()))
528			goto err;
529			if (!(sloc->issuer = X509_NAME_dup(issuer)))
530			goto err;
531			if (urls && *urls &&
532			!(sloc->locator = sk_ACCESS_DESCRIPTION_new_null()))
533			goto err;
534			while (urls && *urls) {
535			if (!(ad = ACCESS_DESCRIPTION_new()))
536			goto err;
537			if (!(ad->method = OBJ_nid2obj(NID_ad_OCSP)))
538			goto err;
539			if (!(ad->location = GENERAL_NAME_new()))
540			goto err;
541			if (!(ia5 = ASN1_IA5STRING_new()))
542			goto err;
543			if (!ASN1_STRING_set((ASN1_STRING)ia5, urls, -1))
544			goto err;
545			ad->location->type = GEN_URI;
546			ad->location->d.ia5 = ia5;
547			ia5 = NULL;
548			if (!sk_ACCESS_DESCRIPTION_push(sloc->locator, ad))
549			goto err;
550			ad = NULL;
551			urls++;
552			}
553			x = X509V3_EXT_i2d(NID_id_pkix_OCSP_serviceLocator, 0, sloc);
554
555			err:
556			if (ia5)
557			ASN1_IA5STRING_free(ia5);
558			if (ad)
559			ACCESS_DESCRIPTION_free(ad);
560			if (sloc)
561			OCSP_SERVICELOC_free(sloc);
562			return x;
563			}