Head

GCC Code Coverage Report

Directory:	./		Exec	Total	Coverage
File:	lib/libcrypto/x509/x509_v3.c	Lines:	70	115	60.9 %
Date:	2017-11-07	Branches:	36	88	40.9 %


/* $OpenBSD: x509_v3.c,v 1.14 2017/01/29 17:49:23 beck Exp $ */
/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
 * All rights reserved.
 *
 * This package is an SSL implementation written
 * by Eric Young (eay@cryptsoft.com).
 * The implementation was written so as to conform with Netscapes SSL.
 *
 * This library is free for commercial and non-commercial use as long as
 * the following conditions are aheared to.  The following conditions
 * apply to all code found in this distribution, be it the RC4, RSA,
 * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
 * included with this distribution is covered by the same copyright terms
 * except that the holder is Tim Hudson (tjh@cryptsoft.com).
 *
 * Copyright remains Eric Young's, and as such any Copyright notices in
 * the code are not to be removed.
 * If this package is used in a product, Eric Young should be given attribution
 * as the author of the parts of the library used.
 * This can be in the form of a textual message at program startup or
 * in documentation (online or textual) provided with the package.
 *
 * 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 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 acknowledgement:
 *    "This product includes cryptographic software written by
 *     Eric Young (eay@cryptsoft.com)"
 *    The word 'cryptographic' can be left out if the rouines from the library
 *    being used are not cryptographic related :-).
 * 4. If you include any Windows specific code (or a derivative thereof) from
 *    the apps directory (application code) you must include an acknowledgement:
 *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
 *
 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
 * ANY EXPRESS 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 AUTHOR OR 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.
 *
 * The licence and distribution terms for any publically available version or
 * derivative of this code cannot be changed.  i.e. this code cannot simply be
 * copied and put under another distribution licence
 * [including the GNU Public Licence.]
 */

#include <stdio.h>

#include <openssl/asn1.h>
#include <openssl/err.h>
#include <openssl/evp.h>
#include <openssl/objects.h>
#include <openssl/stack.h>
#include <openssl/x509.h>
#include <openssl/x509v3.h>

int
X509v3_get_ext_count(const STACK_OF(X509_EXTENSION) *x)
{
	if (x == NULL)
		return (0);
	return (sk_X509_EXTENSION_num(x));
}

int
X509v3_get_ext_by_NID(const STACK_OF(X509_EXTENSION) *x, int nid, int lastpos)
{
	ASN1_OBJECT *obj;

	obj = OBJ_nid2obj(nid);
	if (obj == NULL)
		return (-2);
	return (X509v3_get_ext_by_OBJ(x, obj, lastpos));
}

int
X509v3_get_ext_by_OBJ(const STACK_OF(X509_EXTENSION) *sk, ASN1_OBJECT *obj,
    int lastpos)
{
	int n;
	X509_EXTENSION *ex;

	if (sk == NULL)
		return (-1);
	lastpos++;
	if (lastpos < 0)
		lastpos = 0;
	n = sk_X509_EXTENSION_num(sk);
	for (; lastpos < n; lastpos++) {
		ex = sk_X509_EXTENSION_value(sk, lastpos);
		if (OBJ_cmp(ex->object, obj) == 0)
			return (lastpos);
	}
	return (-1);
}

int
X509v3_get_ext_by_critical(const STACK_OF(X509_EXTENSION) *sk, int crit,
    int lastpos)
{
	int n;
	X509_EXTENSION *ex;

	if (sk == NULL)
		return (-1);
	lastpos++;
	if (lastpos < 0)
		lastpos = 0;
	n = sk_X509_EXTENSION_num(sk);
	for (; lastpos < n; lastpos++) {
		ex = sk_X509_EXTENSION_value(sk, lastpos);
		if (((ex->critical > 0) && crit) ||
		    ((ex->critical <= 0) && !crit))
			return (lastpos);
	}
	return (-1);
}

X509_EXTENSION *
X509v3_get_ext(const STACK_OF(X509_EXTENSION) *x, int loc)
{
	if (x == NULL || sk_X509_EXTENSION_num(x) <= loc || loc < 0)
		return NULL;
	else
		return sk_X509_EXTENSION_value(x, loc);
}

X509_EXTENSION *
X509v3_delete_ext(STACK_OF(X509_EXTENSION) *x, int loc)
{
	X509_EXTENSION *ret;

	if (x == NULL || sk_X509_EXTENSION_num(x) <= loc || loc < 0)
		return (NULL);
	ret = sk_X509_EXTENSION_delete(x, loc);
	return (ret);
}

STACK_OF(X509_EXTENSION) *
X509v3_add_ext(STACK_OF(X509_EXTENSION) **x, X509_EXTENSION *ex, int loc)
{
	X509_EXTENSION *new_ex = NULL;
	int n;
	STACK_OF(X509_EXTENSION) *sk = NULL;

	if (x == NULL) {
		X509error(ERR_R_PASSED_NULL_PARAMETER);
		goto err2;
	}

	if (*x == NULL) {
		if ((sk = sk_X509_EXTENSION_new_null()) == NULL)
			goto err;
	} else
		sk= *x;

	n = sk_X509_EXTENSION_num(sk);
	if (loc > n)
		loc = n;
	else if (loc < 0)
		loc = n;

	if ((new_ex = X509_EXTENSION_dup(ex)) == NULL)
		goto err2;
	if (!sk_X509_EXTENSION_insert(sk, new_ex, loc))
		goto err;
	if (*x == NULL)
		*x = sk;
	return (sk);

err:
	X509error(ERR_R_MALLOC_FAILURE);
err2:
	if (new_ex != NULL)
		X509_EXTENSION_free(new_ex);
	if (sk != NULL && (x != NULL && sk != *x))
		sk_X509_EXTENSION_free(sk);
	return (NULL);
}

X509_EXTENSION *
X509_EXTENSION_create_by_NID(X509_EXTENSION **ex, int nid, int crit,
    ASN1_OCTET_STRING *data)
{
	ASN1_OBJECT *obj;
	X509_EXTENSION *ret;

	obj = OBJ_nid2obj(nid);
	if (obj == NULL) {
		X509error(X509_R_UNKNOWN_NID);
		return (NULL);
	}
	ret = X509_EXTENSION_create_by_OBJ(ex, obj, crit, data);
	if (ret == NULL)
		ASN1_OBJECT_free(obj);
	return (ret);
}

X509_EXTENSION *
X509_EXTENSION_create_by_OBJ(X509_EXTENSION **ex, ASN1_OBJECT *obj, int crit,
    ASN1_OCTET_STRING *data)
{
	X509_EXTENSION *ret;

	if ((ex == NULL) || (*ex == NULL)) {
		if ((ret = X509_EXTENSION_new()) == NULL) {
			X509error(ERR_R_MALLOC_FAILURE);
			return (NULL);
		}
	} else
		ret= *ex;

	if (!X509_EXTENSION_set_object(ret, obj))
		goto err;
	if (!X509_EXTENSION_set_critical(ret, crit))
		goto err;
	if (!X509_EXTENSION_set_data(ret, data))
		goto err;

	if ((ex != NULL) && (*ex == NULL))
		*ex = ret;
	return (ret);

err:
	if ((ex == NULL) || (ret != *ex))
		X509_EXTENSION_free(ret);
	return (NULL);
}

int
X509_EXTENSION_set_object(X509_EXTENSION *ex, ASN1_OBJECT *obj)
{
	if ((ex == NULL) || (obj == NULL))
		return (0);
	ASN1_OBJECT_free(ex->object);
	ex->object = OBJ_dup(obj);
	return ex->object != NULL;
}

int
X509_EXTENSION_set_critical(X509_EXTENSION *ex, int crit)
{
	if (ex == NULL)
		return (0);
	ex->critical = (crit) ? 0xFF : -1;
	return (1);
}

int
X509_EXTENSION_set_data(X509_EXTENSION *ex, ASN1_OCTET_STRING *data)
{
	int i;

	if (ex == NULL)
		return (0);
	i = ASN1_STRING_set(ex->value, data->data, data->length);
	if (!i)
		return (0);
	return (1);
}

ASN1_OBJECT *
X509_EXTENSION_get_object(X509_EXTENSION *ex)
{
	if (ex == NULL)
		return (NULL);
	return (ex->object);
}

ASN1_OCTET_STRING *
X509_EXTENSION_get_data(X509_EXTENSION *ex)
{
	if (ex == NULL)
		return (NULL);
	return (ex->value);
}

int
X509_EXTENSION_get_critical(X509_EXTENSION *ex)
{
	if (ex == NULL)
		return (0);
	if (ex->critical > 0)
		return 1;
	return 0;
}


Generated by: GCOVR (Version 3.3)

Line	Branch	Exec	Source
1			/* $OpenBSD: x509_v3.c,v 1.14 2017/01/29 17:49:23 beck Exp $ */
2			/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
3			* All rights reserved.
4			*
5			* This package is an SSL implementation written
6			* by Eric Young (eay@cryptsoft.com).
7			* The implementation was written so as to conform with Netscapes SSL.
8			*
9			* This library is free for commercial and non-commercial use as long as
10			* the following conditions are aheared to. The following conditions
11			* apply to all code found in this distribution, be it the RC4, RSA,
12			* lhash, DES, etc., code; not just the SSL code. The SSL documentation
13			* included with this distribution is covered by the same copyright terms
14			* except that the holder is Tim Hudson (tjh@cryptsoft.com).
15			*
16			* Copyright remains Eric Young's, and as such any Copyright notices in
17			* the code are not to be removed.
18			* If this package is used in a product, Eric Young should be given attribution
19			* as the author of the parts of the library used.
20			* This can be in the form of a textual message at program startup or
21			* in documentation (online or textual) provided with the package.
22			*
23			* Redistribution and use in source and binary forms, with or without
24			* modification, are permitted provided that the following conditions
25			* are met:
26			* 1. Redistributions of source code must retain the copyright
27			* notice, this list of conditions and the following disclaimer.
28			* 2. Redistributions in binary form must reproduce the above copyright
29			* notice, this list of conditions and the following disclaimer in the
30			* documentation and/or other materials provided with the distribution.
31			* 3. All advertising materials mentioning features or use of this software
32			* must display the following acknowledgement:
33			* "This product includes cryptographic software written by
34			* Eric Young (eay@cryptsoft.com)"
35			* The word 'cryptographic' can be left out if the rouines from the library
36			* being used are not cryptographic related :-).
37			* 4. If you include any Windows specific code (or a derivative thereof) from
38			* the apps directory (application code) you must include an acknowledgement:
39			* "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
40			*
41			* THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
42			* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
43			* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
44			* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
45			* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
46			* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
47			* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
48			* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
49			* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
50			* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
51			* SUCH DAMAGE.
52			*
53			* The licence and distribution terms for any publically available version or
54			* derivative of this code cannot be changed. i.e. this code cannot simply be
55			* copied and put under another distribution licence
56			* [including the GNU Public Licence.]
57			*/
58
59			#include <stdio.h>
60
61			#include <openssl/asn1.h>
62			#include <openssl/err.h>
63			#include <openssl/evp.h>
64			#include <openssl/objects.h>
65			#include <openssl/stack.h>
66			#include <openssl/x509.h>
67			#include <openssl/x509v3.h>
68
69			int
70			X509v3_get_ext_count(const STACK_OF(X509_EXTENSION) *x)
71			{
72	✓✓	10640	if (x == NULL)
73		1784	return (0);
74		3536	return (sk_X509_EXTENSION_num(x));
75		5320	}
76
77			int
78			X509v3_get_ext_by_NID(const STACK_OF(X509_EXTENSION) *x, int nid, int lastpos)
79			{
80			ASN1_OBJECT *obj;
81
82		148	obj = OBJ_nid2obj(nid);
83	✗✓	74	if (obj == NULL)
84			return (-2);
85		74	return (X509v3_get_ext_by_OBJ(x, obj, lastpos));
86		74	}
87
88			int
89			X509v3_get_ext_by_OBJ(const STACK_OF(X509_EXTENSION) sk, ASN1_OBJECT obj,
90			int lastpos)
91			{
92			int n;
93			X509_EXTENSION *ex;
94
95	✓✓	148	if (sk == NULL)
96		58	return (-1);
97		16	lastpos++;
98		16	if (lastpos < 0)
99			lastpos = 0;
100		16	n = sk_X509_EXTENSION_num(sk);
101	✓✗	40	for (; lastpos < n; lastpos++) {
102		20	ex = sk_X509_EXTENSION_value(sk, lastpos);
103	✓✓	20	if (OBJ_cmp(ex->object, obj) == 0)
104		16	return (lastpos);
105			}
106			return (-1);
107		74	}
108
109			int
110			X509v3_get_ext_by_critical(const STACK_OF(X509_EXTENSION) *sk, int crit,
111			int lastpos)
112			{
113			int n;
114			X509_EXTENSION *ex;
115
116			if (sk == NULL)
117			return (-1);
118			lastpos++;
119			if (lastpos < 0)
120			lastpos = 0;
121			n = sk_X509_EXTENSION_num(sk);
122			for (; lastpos < n; lastpos++) {
123			ex = sk_X509_EXTENSION_value(sk, lastpos);
124			if (((ex->critical > 0) && crit) \|\|
125			((ex->critical <= 0) && !crit))
126			return (lastpos);
127			}
128			return (-1);
129			}
130
131			X509_EXTENSION *
132			X509v3_get_ext(const STACK_OF(X509_EXTENSION) *x, int loc)
133			{
134	✓✗✗✓	8226	if (x == NULL \|\| sk_X509_EXTENSION_num(x) <= loc \|\| loc < 0)
135			return NULL;
136			else
137		2742	return sk_X509_EXTENSION_value(x, loc);
138		2742	}
139
140			X509_EXTENSION *
141			X509v3_delete_ext(STACK_OF(X509_EXTENSION) *x, int loc)
142			{
143			X509_EXTENSION *ret;
144
145			if (x == NULL \|\| sk_X509_EXTENSION_num(x) <= loc \|\| loc < 0)
146			return (NULL);
147			ret = sk_X509_EXTENSION_delete(x, loc);
148			return (ret);
149			}
150
151			STACK_OF(X509_EXTENSION) *
152			X509v3_add_ext(STACK_OF(X509_EXTENSION) *x, X509_EXTENSION ex, int loc)
153			{
154			X509_EXTENSION *new_ex = NULL;
155			int n;
156			STACK_OF(X509_EXTENSION) *sk = NULL;
157
158	✗✓	28	if (x == NULL) {
159			X509error(ERR_R_PASSED_NULL_PARAMETER);
160			goto err2;
161			}
162
163	✓✓	14	if (*x == NULL) {
164	✓✗	8	if ((sk = sk_X509_EXTENSION_new_null()) == NULL)
165			goto err;
166			} else
167			sk= *x;
168
169		14	n = sk_X509_EXTENSION_num(sk);
170	✗✓	14	if (loc > n)
171			loc = n;
172	✓✗	14	else if (loc < 0)
173		14	loc = n;
174
175	✓✗	14	if ((new_ex = X509_EXTENSION_dup(ex)) == NULL)
176			goto err2;
177	✓✗	14	if (!sk_X509_EXTENSION_insert(sk, new_ex, loc))
178			goto err;
179	✓✓	14	if (*x == NULL)
180		8	*x = sk;
181		14	return (sk);
182
183			err:
184			X509error(ERR_R_MALLOC_FAILURE);
185			err2:
186			if (new_ex != NULL)
187			X509_EXTENSION_free(new_ex);
188			if (sk != NULL && (x != NULL && sk != *x))
189			sk_X509_EXTENSION_free(sk);
190			return (NULL);
191		14	}
192
193			X509_EXTENSION *
194			X509_EXTENSION_create_by_NID(X509_EXTENSION **ex, int nid, int crit,
195			ASN1_OCTET_STRING *data)
196			{
197			ASN1_OBJECT *obj;
198			X509_EXTENSION *ret;
199
200		156	obj = OBJ_nid2obj(nid);
201	✗✓	78	if (obj == NULL) {
202			X509error(X509_R_UNKNOWN_NID);
203			return (NULL);
204			}
205		78	ret = X509_EXTENSION_create_by_OBJ(ex, obj, crit, data);
206	✗✓	78	if (ret == NULL)
207			ASN1_OBJECT_free(obj);
208		78	return (ret);
209		78	}
210
211			X509_EXTENSION *
212			X509_EXTENSION_create_by_OBJ(X509_EXTENSION *ex, ASN1_OBJECT obj, int crit,
213			ASN1_OCTET_STRING *data)
214			{
215			X509_EXTENSION *ret;
216
217	✗✓✗✗	156	if ((ex == NULL) \|\| (*ex == NULL)) {
218	✗✓	78	if ((ret = X509_EXTENSION_new()) == NULL) {
219			X509error(ERR_R_MALLOC_FAILURE);
220			return (NULL);
221			}
222			} else
223			ret= *ex;
224
225	✓✗	78	if (!X509_EXTENSION_set_object(ret, obj))
226			goto err;
227	✓✗	78	if (!X509_EXTENSION_set_critical(ret, crit))
228			goto err;
229	✓✗	78	if (!X509_EXTENSION_set_data(ret, data))
230			goto err;
231
232	✗✓✗✗	78	if ((ex != NULL) && (*ex == NULL))
233			*ex = ret;
234		78	return (ret);
235
236			err:
237			if ((ex == NULL) \|\| (ret != *ex))
238			X509_EXTENSION_free(ret);
239			return (NULL);
240		78	}
241
242			int
243			X509_EXTENSION_set_object(X509_EXTENSION ex, ASN1_OBJECT obj)
244			{
245	✗✓	156	if ((ex == NULL) \|\| (obj == NULL))
246			return (0);
247		78	ASN1_OBJECT_free(ex->object);
248		78	ex->object = OBJ_dup(obj);
249		78	return ex->object != NULL;
250		78	}
251
252			int
253			X509_EXTENSION_set_critical(X509_EXTENSION *ex, int crit)
254			{
255	✗✓	156	if (ex == NULL)
256			return (0);
257		78	ex->critical = (crit) ? 0xFF : -1;
258		78	return (1);
259		78	}
260
261			int
262			X509_EXTENSION_set_data(X509_EXTENSION ex, ASN1_OCTET_STRING data)
263			{
264			int i;
265
266	✗✓	156	if (ex == NULL)
267			return (0);
268		78	i = ASN1_STRING_set(ex->value, data->data, data->length);
269	✗✓	78	if (!i)
270			return (0);
271		78	return (1);
272		78	}
273
274			ASN1_OBJECT *
275			X509_EXTENSION_get_object(X509_EXTENSION *ex)
276			{
277	✗✓	8748	if (ex == NULL)
278			return (NULL);
279		4374	return (ex->object);
280		4374	}
281
282			ASN1_OCTET_STRING *
283			X509_EXTENSION_get_data(X509_EXTENSION *ex)
284			{
285			if (ex == NULL)
286			return (NULL);
287			return (ex->value);
288			}
289
290			int
291			X509_EXTENSION_get_critical(X509_EXTENSION *ex)
292			{
293	✗✓	5564	if (ex == NULL)
294			return (0);
295	✓✓	2782	if (ex->critical > 0)
296		1616	return 1;
297		1166	return 0;
298		2782	}