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GCC Code Coverage Report

Directory:	./		Exec	Total	Coverage
File:	lib/libcrypto/x509v3/v3_akey.c	Lines:	0	61	0.0 %
Date:	2017-11-13	Branches:	0	52	0.0 %


/* $OpenBSD: v3_akey.c,v 1.19 2017/01/29 17:49:23 beck Exp $ */
/* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
 * project 1999.
 */
/* ====================================================================
 * Copyright (c) 1999 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
 *    licensing@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/asn1.h>
#include <openssl/asn1t.h>
#include <openssl/conf.h>
#include <openssl/err.h>
#include <openssl/x509v3.h>

static STACK_OF(CONF_VALUE) *i2v_AUTHORITY_KEYID(X509V3_EXT_METHOD *method,
    AUTHORITY_KEYID *akeyid, STACK_OF(CONF_VALUE) *extlist);
static AUTHORITY_KEYID *v2i_AUTHORITY_KEYID(X509V3_EXT_METHOD *method,
    X509V3_CTX *ctx, STACK_OF(CONF_VALUE) *values);

const X509V3_EXT_METHOD v3_akey_id = {
	.ext_nid = NID_authority_key_identifier,
	.ext_flags = X509V3_EXT_MULTILINE,
	.it = &AUTHORITY_KEYID_it,
	.ext_new = NULL,
	.ext_free = NULL,
	.d2i = NULL,
	.i2d = NULL,
	.i2s = NULL,
	.s2i = NULL,
	.i2v = (X509V3_EXT_I2V)i2v_AUTHORITY_KEYID,
	.v2i = (X509V3_EXT_V2I)v2i_AUTHORITY_KEYID,
	.i2r = NULL,
	.r2i = NULL,
	.usr_data = NULL,
};

static
STACK_OF(CONF_VALUE) *i2v_AUTHORITY_KEYID(X509V3_EXT_METHOD *method,
    AUTHORITY_KEYID *akeyid, STACK_OF(CONF_VALUE) *extlist)
{
	char *tmp;

	if (akeyid->keyid) {
		tmp = hex_to_string(akeyid->keyid->data, akeyid->keyid->length);
		X509V3_add_value("keyid", tmp, &extlist);
		free(tmp);
	}
	if (akeyid->issuer)
		extlist = i2v_GENERAL_NAMES(NULL, akeyid->issuer, extlist);
	if (akeyid->serial) {
		tmp = hex_to_string(akeyid->serial->data,
		    akeyid->serial->length);
		X509V3_add_value("serial", tmp, &extlist);
		free(tmp);
	}
	return extlist;
}

/* Currently two options:
 * keyid: use the issuers subject keyid, the value 'always' means its is
 * an error if the issuer certificate doesn't have a key id.
 * issuer: use the issuers cert issuer and serial number. The default is
 * to only use this if keyid is not present. With the option 'always'
 * this is always included.
 */

static AUTHORITY_KEYID *
v2i_AUTHORITY_KEYID(X509V3_EXT_METHOD *method, X509V3_CTX *ctx,
    STACK_OF(CONF_VALUE) *values)
{
	char keyid = 0, issuer = 0;
	int i;
	CONF_VALUE *cnf;
	ASN1_OCTET_STRING *ikeyid = NULL;
	X509_NAME *isname = NULL;
	STACK_OF(GENERAL_NAME) *gens = NULL;
	GENERAL_NAME *gen = NULL;
	ASN1_INTEGER *serial = NULL;
	X509_EXTENSION *ext;
	X509 *cert;
	AUTHORITY_KEYID *akeyid = NULL;

	for (i = 0; i < sk_CONF_VALUE_num(values); i++) {
		cnf = sk_CONF_VALUE_value(values, i);
		if (!strcmp(cnf->name, "keyid")) {
			keyid = 1;
			if (cnf->value && !strcmp(cnf->value, "always"))
				keyid = 2;
		}
		else if (!strcmp(cnf->name, "issuer")) {
			issuer = 1;
			if (cnf->value && !strcmp(cnf->value, "always"))
				issuer = 2;
		} else {
			X509V3error(X509V3_R_UNKNOWN_OPTION);
			ERR_asprintf_error_data("name=%s", cnf->name);
			return NULL;
		}
	}

	if (!ctx || !ctx->issuer_cert) {
		if (ctx && (ctx->flags == CTX_TEST))
			return AUTHORITY_KEYID_new();
		X509V3error(X509V3_R_NO_ISSUER_CERTIFICATE);
		return NULL;
	}

	cert = ctx->issuer_cert;

	if (keyid) {
		i = X509_get_ext_by_NID(cert, NID_subject_key_identifier, -1);
		if ((i >= 0)  && (ext = X509_get_ext(cert, i)))
			ikeyid = X509V3_EXT_d2i(ext);
		if (keyid == 2 && !ikeyid) {
			X509V3error(X509V3_R_UNABLE_TO_GET_ISSUER_KEYID);
			return NULL;
		}
	}

	if ((issuer && !ikeyid) || (issuer == 2)) {
		isname = X509_NAME_dup(X509_get_issuer_name(cert));
		serial = ASN1_INTEGER_dup(X509_get_serialNumber(cert));
		if (!isname || !serial) {
			X509V3error(X509V3_R_UNABLE_TO_GET_ISSUER_DETAILS);
			goto err;
		}
	}

	if (!(akeyid = AUTHORITY_KEYID_new()))
		goto err;

	if (isname) {
		if (!(gens = sk_GENERAL_NAME_new_null()) ||
		    !(gen = GENERAL_NAME_new()) ||
		    !sk_GENERAL_NAME_push(gens, gen)) {
			X509V3error(ERR_R_MALLOC_FAILURE);
			goto err;
		}
		gen->type = GEN_DIRNAME;
		gen->d.dirn = isname;
	}

	akeyid->issuer = gens;
	akeyid->serial = serial;
	akeyid->keyid = ikeyid;

	return akeyid;

err:
	AUTHORITY_KEYID_free(akeyid);
	GENERAL_NAME_free(gen);
	sk_GENERAL_NAME_free(gens);
	X509_NAME_free(isname);
	ASN1_INTEGER_free(serial);
	ASN1_OCTET_STRING_free(ikeyid);
	return NULL;
}


Generated by: GCOVR (Version 3.3)

Line	Branch	Exec	Source
1			/* $OpenBSD: v3_akey.c,v 1.19 2017/01/29 17:49:23 beck Exp $ */
2			/* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
3			* project 1999.
4			*/
5			/* ====================================================================
6			* Copyright (c) 1999 The OpenSSL Project. All rights reserved.
7			*
8			* Redistribution and use in source and binary forms, with or without
9			* modification, are permitted provided that the following conditions
10			* are met:
11			*
12			* 1. Redistributions of source code must retain the above copyright
13			* notice, this list of conditions and the following disclaimer.
14			*
15			* 2. Redistributions in binary form must reproduce the above copyright
16			* notice, this list of conditions and the following disclaimer in
17			* the documentation and/or other materials provided with the
18			* distribution.
19			*
20			* 3. All advertising materials mentioning features or use of this
21			* software must display the following acknowledgment:
22			* "This product includes software developed by the OpenSSL Project
23			* for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
24			*
25			* 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
26			* endorse or promote products derived from this software without
27			* prior written permission. For written permission, please contact
28			* licensing@OpenSSL.org.
29			*
30			* 5. Products derived from this software may not be called "OpenSSL"
31			* nor may "OpenSSL" appear in their names without prior written
32			* permission of the OpenSSL Project.
33			*
34			* 6. Redistributions of any form whatsoever must retain the following
35			* acknowledgment:
36			* "This product includes software developed by the OpenSSL Project
37			* for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
38			*
39			* THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
40			* EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
41			* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
42			* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
43			* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
44			* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
45			* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
46			* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
47			* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
48			* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
49			* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
50			* OF THE POSSIBILITY OF SUCH DAMAGE.
51			* ====================================================================
52			*
53			* This product includes cryptographic software written by Eric Young
54			* (eay@cryptsoft.com). This product includes software written by Tim
55			* Hudson (tjh@cryptsoft.com).
56			*
57			*/
58
59			#include <stdio.h>
60			#include <string.h>
61
62			#include <openssl/asn1.h>
63			#include <openssl/asn1t.h>
64			#include <openssl/conf.h>
65			#include <openssl/err.h>
66			#include <openssl/x509v3.h>
67
68			static STACK_OF(CONF_VALUE) i2v_AUTHORITY_KEYID(X509V3_EXT_METHOD method,
69			AUTHORITY_KEYID akeyid, STACK_OF(CONF_VALUE) extlist);
70			static AUTHORITY_KEYID v2i_AUTHORITY_KEYID(X509V3_EXT_METHOD method,
71			X509V3_CTX ctx, STACK_OF(CONF_VALUE) values);
72
73			const X509V3_EXT_METHOD v3_akey_id = {
74			.ext_nid = NID_authority_key_identifier,
75			.ext_flags = X509V3_EXT_MULTILINE,
76			.it = &AUTHORITY_KEYID_it,
77			.ext_new = NULL,
78			.ext_free = NULL,
79			.d2i = NULL,
80			.i2d = NULL,
81			.i2s = NULL,
82			.s2i = NULL,
83			.i2v = (X509V3_EXT_I2V)i2v_AUTHORITY_KEYID,
84			.v2i = (X509V3_EXT_V2I)v2i_AUTHORITY_KEYID,
85			.i2r = NULL,
86			.r2i = NULL,
87			.usr_data = NULL,
88			};
89
90			static
91			STACK_OF(CONF_VALUE) i2v_AUTHORITY_KEYID(X509V3_EXT_METHOD method,
92			AUTHORITY_KEYID akeyid, STACK_OF(CONF_VALUE) extlist)
93			{
94			char *tmp;
95
96			if (akeyid->keyid) {
97			tmp = hex_to_string(akeyid->keyid->data, akeyid->keyid->length);
98			X509V3_add_value("keyid", tmp, &extlist);
99			free(tmp);
100			}
101			if (akeyid->issuer)
102			extlist = i2v_GENERAL_NAMES(NULL, akeyid->issuer, extlist);
103			if (akeyid->serial) {
104			tmp = hex_to_string(akeyid->serial->data,
105			akeyid->serial->length);
106			X509V3_add_value("serial", tmp, &extlist);
107			free(tmp);
108			}
109			return extlist;
110			}
111
112			/* Currently two options:
113			* keyid: use the issuers subject keyid, the value 'always' means its is
114			* an error if the issuer certificate doesn't have a key id.
115			* issuer: use the issuers cert issuer and serial number. The default is
116			* to only use this if keyid is not present. With the option 'always'
117			* this is always included.
118			*/
119
120			static AUTHORITY_KEYID *
121			v2i_AUTHORITY_KEYID(X509V3_EXT_METHOD method, X509V3_CTX ctx,
122			STACK_OF(CONF_VALUE) *values)
123			{
124			char keyid = 0, issuer = 0;
125			int i;
126			CONF_VALUE *cnf;
127			ASN1_OCTET_STRING *ikeyid = NULL;
128			X509_NAME *isname = NULL;
129			STACK_OF(GENERAL_NAME) *gens = NULL;
130			GENERAL_NAME *gen = NULL;
131			ASN1_INTEGER *serial = NULL;
132			X509_EXTENSION *ext;
133			X509 *cert;
134			AUTHORITY_KEYID *akeyid = NULL;
135
136			for (i = 0; i < sk_CONF_VALUE_num(values); i++) {
137			cnf = sk_CONF_VALUE_value(values, i);
138			if (!strcmp(cnf->name, "keyid")) {
139			keyid = 1;
140			if (cnf->value && !strcmp(cnf->value, "always"))
141			keyid = 2;
142			}
143			else if (!strcmp(cnf->name, "issuer")) {
144			issuer = 1;
145			if (cnf->value && !strcmp(cnf->value, "always"))
146			issuer = 2;
147			} else {
148			X509V3error(X509V3_R_UNKNOWN_OPTION);
149			ERR_asprintf_error_data("name=%s", cnf->name);
150			return NULL;
151			}
152			}
153
154			if (!ctx \|\| !ctx->issuer_cert) {
155			if (ctx && (ctx->flags == CTX_TEST))
156			return AUTHORITY_KEYID_new();
157			X509V3error(X509V3_R_NO_ISSUER_CERTIFICATE);
158			return NULL;
159			}
160
161			cert = ctx->issuer_cert;
162
163			if (keyid) {
164			i = X509_get_ext_by_NID(cert, NID_subject_key_identifier, -1);
165			if ((i >= 0) && (ext = X509_get_ext(cert, i)))
166			ikeyid = X509V3_EXT_d2i(ext);
167			if (keyid == 2 && !ikeyid) {
168			X509V3error(X509V3_R_UNABLE_TO_GET_ISSUER_KEYID);
169			return NULL;
170			}
171			}
172
173			if ((issuer && !ikeyid) \|\| (issuer == 2)) {
174			isname = X509_NAME_dup(X509_get_issuer_name(cert));
175			serial = ASN1_INTEGER_dup(X509_get_serialNumber(cert));
176			if (!isname \|\| !serial) {
177			X509V3error(X509V3_R_UNABLE_TO_GET_ISSUER_DETAILS);
178			goto err;
179			}
180			}
181
182			if (!(akeyid = AUTHORITY_KEYID_new()))
183			goto err;
184
185			if (isname) {
186			if (!(gens = sk_GENERAL_NAME_new_null()) \|\|
187			!(gen = GENERAL_NAME_new()) \|\|
188			!sk_GENERAL_NAME_push(gens, gen)) {
189			X509V3error(ERR_R_MALLOC_FAILURE);
190			goto err;
191			}
192			gen->type = GEN_DIRNAME;
193			gen->d.dirn = isname;
194			}
195
196			akeyid->issuer = gens;
197			akeyid->serial = serial;
198			akeyid->keyid = ikeyid;
199
200			return akeyid;
201
202			err:
203			AUTHORITY_KEYID_free(akeyid);
204			GENERAL_NAME_free(gen);
205			sk_GENERAL_NAME_free(gens);
206			X509_NAME_free(isname);
207			ASN1_INTEGER_free(serial);
208			ASN1_OCTET_STRING_free(ikeyid);
209			return NULL;
210			}