Head

GCC Code Coverage Report

Directory:	./		Exec	Total	Coverage
File:	lib/libcrypto/ocsp/ocsp_lib.c	Lines:	56	83	67.5 %
Date:	2017-11-07	Branches:	24	48	50.0 %


/* $OpenBSD: ocsp_lib.c,v 1.20 2017/01/29 17:49:23 beck 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 <string.h>

#include <openssl/opensslconf.h>

#include <openssl/asn1t.h>
#include <openssl/err.h>
#include <openssl/objects.h>
#include <openssl/ocsp.h>
#include <openssl/pem.h>
#include <openssl/x509.h>
#include <openssl/x509v3.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) {
		OCSPerror(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 */
	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) {
		ASN1_INTEGER_free(cid->serialNumber);
		if (!(cid->serialNumber = ASN1_INTEGER_dup(serialNumber)))
			goto err;
	}
	return cid;

digerr:
	OCSPerror(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 *host, *path, *port, *tmp;

	*phost = *pport = *ppath = NULL;
	*pssl = 0;

	if (strncmp(url, "https://", 8) == 0) {
		*pssl = 1;
		host = strdup(url + 8);
	} else if (strncmp(url, "http://", 7) == 0)
		host = strdup(url + 7);
	else {
		OCSPerror(OCSP_R_ERROR_PARSING_URL);
		return 0;
	}
	if (host == NULL) {
		OCSPerror(ERR_R_MALLOC_FAILURE);
		return 0;
	}

	if ((tmp = strchr(host, '/')) != NULL) {
		path = strdup(tmp);
		*tmp = '\0';
	} else
		path = strdup("/");

	if ((tmp = strchr(host, ':')) != NULL ) {
		port = strdup(tmp + 1);
		*tmp = '\0';
	} else {
		if (*pssl)
			port = strdup("443");
		else
			port = strdup("80");
	}

	if (path == NULL || port == NULL) {
		free(host);
		free(path);
		free(port);
		OCSPerror(ERR_R_MALLOC_FAILURE);
		return 0;
	}

	*phost = host;
	*ppath = path;
	*pport = port;
	return 1;
}

OCSP_CERTID *
OCSP_CERTID_dup(OCSP_CERTID *x)
{
	return ASN1_item_dup(&OCSP_CERTID_it, x);
}


Generated by: GCOVR (Version 3.3)

Line	Branch	Exec	Source
1			/* $OpenBSD: ocsp_lib.c,v 1.20 2017/01/29 17:49:23 beck 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 <string.h>
66
67			#include <openssl/opensslconf.h>
68
69			#include <openssl/asn1t.h>
70			#include <openssl/err.h>
71			#include <openssl/objects.h>
72			#include <openssl/ocsp.h>
73			#include <openssl/pem.h>
74			#include <openssl/x509.h>
75			#include <openssl/x509v3.h>
76
77			/* Convert a certificate and its issuer to an OCSP_CERTID */
78
79			OCSP_CERTID *
80			OCSP_cert_to_id(const EVP_MD dgst, X509 subject, X509 *issuer)
81			{
82			X509_NAME *iname;
83			ASN1_INTEGER *serial;
84			ASN1_BIT_STRING *ikey;
85
86			#ifndef OPENSSL_NO_SHA1
87	✗✓	32	if (!dgst)
88			dgst = EVP_sha1();
89			#endif
90	✓✓	16	if (subject) {
91		8	iname = X509_get_issuer_name(subject);
92		8	serial = X509_get_serialNumber(subject);
93		8	} else {
94		8	iname = X509_get_subject_name(issuer);
95			serial = NULL;
96			}
97		16	ikey = X509_get0_pubkey_bitstr(issuer);
98		16	return OCSP_cert_id_new(dgst, iname, ikey, serial);
99			}
100
101			OCSP_CERTID *
102			OCSP_cert_id_new(const EVP_MD dgst, X509_NAME issuerName,
103			ASN1_BIT_STRING* issuerKey, ASN1_INTEGER *serialNumber)
104			{
105			int nid;
106		32	unsigned int i;
107			X509_ALGOR *alg;
108			OCSP_CERTID *cid = NULL;
109		16	unsigned char md[EVP_MAX_MD_SIZE];
110
111	✓✗	16	if (!(cid = OCSP_CERTID_new()))
112			goto err;
113
114		16	alg = cid->hashAlgorithm;
115	✓✗	16	if (alg->algorithm != NULL)
116		16	ASN1_OBJECT_free(alg->algorithm);
117	✗✓	16	if ((nid = EVP_MD_type(dgst)) == NID_undef) {
118			OCSPerror(OCSP_R_UNKNOWN_NID);
119			goto err;
120			}
121	✓✗	16	if (!(alg->algorithm = OBJ_nid2obj(nid)))
122			goto err;
123	✓✗	16	if ((alg->parameter = ASN1_TYPE_new()) == NULL)
124			goto err;
125		16	alg->parameter->type = V_ASN1_NULL;
126
127	✓✗	16	if (!X509_NAME_digest(issuerName, dgst, md, &i))
128			goto digerr;
129	✓✗	16	if (!(ASN1_OCTET_STRING_set(cid->issuerNameHash, md, i)))
130			goto err;
131
132			/* Calculate the issuerKey hash, excluding tag and length */
133	✓✗	16	if (!EVP_Digest(issuerKey->data, issuerKey->length, md, &i, dgst, NULL))
134			goto err;
135
136	✓✗	16	if (!(ASN1_OCTET_STRING_set(cid->issuerKeyHash, md, i)))
137			goto err;
138
139	✓✓	16	if (serialNumber) {
140		8	ASN1_INTEGER_free(cid->serialNumber);
141	✓✗	8	if (!(cid->serialNumber = ASN1_INTEGER_dup(serialNumber)))
142			goto err;
143			}
144		16	return cid;
145
146			digerr:
147			OCSPerror(OCSP_R_DIGEST_ERR);
148			err:
149			if (cid)
150			OCSP_CERTID_free(cid);
151			return NULL;
152		16	}
153
154			int
155			OCSP_id_issuer_cmp(OCSP_CERTID a, OCSP_CERTID b)
156			{
157			int ret;
158
159		36	ret = OBJ_cmp(a->hashAlgorithm->algorithm, b->hashAlgorithm->algorithm);
160	✗✓	18	if (ret)
161			return ret;
162		18	ret = ASN1_OCTET_STRING_cmp(a->issuerNameHash, b->issuerNameHash);
163	✗✓	18	if (ret)
164			return ret;
165		18	return ASN1_OCTET_STRING_cmp(a->issuerKeyHash, b->issuerKeyHash);
166		18	}
167
168			int
169			OCSP_id_cmp(OCSP_CERTID a, OCSP_CERTID b)
170			{
171			int ret;
172
173		12	ret = OCSP_id_issuer_cmp(a, b);
174	✗✓	6	if (ret)
175			return ret;
176		6	return ASN1_INTEGER_cmp(a->serialNumber, b->serialNumber);
177		6	}
178
179			/* Parse a URL and split it up into host, port and path components and whether
180			* it is SSL.
181			*/
182			int
183			OCSP_parse_url(char url, char phost, char pport, char ppath, int pssl)
184			{
185			char host, path, port, tmp;
186
187		4	phost = pport = *ppath = NULL;
188		2	*pssl = 0;
189
190	✗✓	2	if (strncmp(url, "https://", 8) == 0) {
191			*pssl = 1;
192			host = strdup(url + 8);
193	✓✗	2	} else if (strncmp(url, "http://", 7) == 0)
194		2	host = strdup(url + 7);
195			else {
196			OCSPerror(OCSP_R_ERROR_PARSING_URL);
197			return 0;
198			}
199	✗✓	2	if (host == NULL) {
200			OCSPerror(ERR_R_MALLOC_FAILURE);
201			return 0;
202			}
203
204	✗✓	2	if ((tmp = strchr(host, '/')) != NULL) {
205			path = strdup(tmp);
206			*tmp = '\0';
207			} else
208		2	path = strdup("/");
209
210	✓✗	2	if ((tmp = strchr(host, ':')) != NULL ) {
211		2	port = strdup(tmp + 1);
212		2	*tmp = '\0';
213		2	} else {
214			if (*pssl)
215			port = strdup("443");
216			else
217			port = strdup("80");
218			}
219
220	✗✓	2	if (path == NULL \|\| port == NULL) {
221			free(host);
222			free(path);
223			free(port);
224			OCSPerror(ERR_R_MALLOC_FAILURE);
225			return 0;
226			}
227
228		2	*phost = host;
229		2	*ppath = path;
230		2	*pport = port;
231		2	return 1;
232		2	}
233
234			OCSP_CERTID *
235			OCSP_CERTID_dup(OCSP_CERTID *x)
236			{
237		16	return ASN1_item_dup(&OCSP_CERTID_it, x);
238			}