Head

GCC Code Coverage Report

Directory:	./		Exec	Total	Coverage
File:	lib/libcrypto/x509v3/v3_sxnet.c	Lines:	0	80	0.0 %
Date:	2017-11-07	Branches:	0	44	0.0 %


/* $OpenBSD: v3_sxnet.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>

/* Support for Thawte strong extranet extension */

#define SXNET_TEST

static int sxnet_i2r(X509V3_EXT_METHOD *method, SXNET *sx, BIO *out,
    int indent);
#ifdef SXNET_TEST
static SXNET * sxnet_v2i(X509V3_EXT_METHOD *method, X509V3_CTX *ctx,
    STACK_OF(CONF_VALUE) *nval);
#endif

const X509V3_EXT_METHOD v3_sxnet = {
	.ext_nid = NID_sxnet,
	.ext_flags = X509V3_EXT_MULTILINE,
	.it = &SXNET_it,
	.ext_new = NULL,
	.ext_free = NULL,
	.d2i = NULL,
	.i2d = NULL,
	.i2s = NULL,
	.s2i = NULL,
	.i2v = NULL,
#ifdef SXNET_TEST
	.v2i = (X509V3_EXT_V2I)sxnet_v2i,
#else
	.v2i = NULL,
#endif
	.i2r = (X509V3_EXT_I2R)sxnet_i2r,
	.r2i = NULL,
	.usr_data = NULL,
};

static const ASN1_TEMPLATE SXNETID_seq_tt[] = {
	{
		.flags = 0,
		.tag = 0,
		.offset = offsetof(SXNETID, zone),
		.field_name = "zone",
		.item = &ASN1_INTEGER_it,
	},
	{
		.flags = 0,
		.tag = 0,
		.offset = offsetof(SXNETID, user),
		.field_name = "user",
		.item = &ASN1_OCTET_STRING_it,
	},
};

const ASN1_ITEM SXNETID_it = {
	.itype = ASN1_ITYPE_SEQUENCE,
	.utype = V_ASN1_SEQUENCE,
	.templates = SXNETID_seq_tt,
	.tcount = sizeof(SXNETID_seq_tt) / sizeof(ASN1_TEMPLATE),
	.funcs = NULL,
	.size = sizeof(SXNETID),
	.sname = "SXNETID",
};


SXNETID *
d2i_SXNETID(SXNETID **a, const unsigned char **in, long len)
{
	return (SXNETID *)ASN1_item_d2i((ASN1_VALUE **)a, in, len,
	    &SXNETID_it);
}

int
i2d_SXNETID(SXNETID *a, unsigned char **out)
{
	return ASN1_item_i2d((ASN1_VALUE *)a, out, &SXNETID_it);
}

SXNETID *
SXNETID_new(void)
{
	return (SXNETID *)ASN1_item_new(&SXNETID_it);
}

void
SXNETID_free(SXNETID *a)
{
	ASN1_item_free((ASN1_VALUE *)a, &SXNETID_it);
}

static const ASN1_TEMPLATE SXNET_seq_tt[] = {
	{
		.flags = 0,
		.tag = 0,
		.offset = offsetof(SXNET, version),
		.field_name = "version",
		.item = &ASN1_INTEGER_it,
	},
	{
		.flags = ASN1_TFLG_SEQUENCE_OF,
		.tag = 0,
		.offset = offsetof(SXNET, ids),
		.field_name = "ids",
		.item = &SXNETID_it,
	},
};

const ASN1_ITEM SXNET_it = {
	.itype = ASN1_ITYPE_SEQUENCE,
	.utype = V_ASN1_SEQUENCE,
	.templates = SXNET_seq_tt,
	.tcount = sizeof(SXNET_seq_tt) / sizeof(ASN1_TEMPLATE),
	.funcs = NULL,
	.size = sizeof(SXNET),
	.sname = "SXNET",
};


SXNET *
d2i_SXNET(SXNET **a, const unsigned char **in, long len)
{
	return (SXNET *)ASN1_item_d2i((ASN1_VALUE **)a, in, len,
	    &SXNET_it);
}

int
i2d_SXNET(SXNET *a, unsigned char **out)
{
	return ASN1_item_i2d((ASN1_VALUE *)a, out, &SXNET_it);
}

SXNET *
SXNET_new(void)
{
	return (SXNET *)ASN1_item_new(&SXNET_it);
}

void
SXNET_free(SXNET *a)
{
	ASN1_item_free((ASN1_VALUE *)a, &SXNET_it);
}

static int
sxnet_i2r(X509V3_EXT_METHOD *method, SXNET *sx, BIO *out, int indent)
{
	long v;
	char *tmp;
	SXNETID *id;
	int i;

	v = ASN1_INTEGER_get(sx->version);
	BIO_printf(out, "%*sVersion: %ld (0x%lX)", indent, "", v + 1, v);
	for (i = 0; i < sk_SXNETID_num(sx->ids); i++) {
		id = sk_SXNETID_value(sx->ids, i);
		tmp = i2s_ASN1_INTEGER(NULL, id->zone);
		BIO_printf(out, "\n%*sZone: %s, User: ", indent, "", tmp);
		free(tmp);
		ASN1_STRING_print(out, id->user);
	}
	return 1;
}

#ifdef SXNET_TEST

/* NBB: this is used for testing only. It should *not* be used for anything
 * else because it will just take static IDs from the configuration file and
 * they should really be separate values for each user.
 */

static SXNET *
sxnet_v2i(X509V3_EXT_METHOD *method, X509V3_CTX *ctx,
    STACK_OF(CONF_VALUE) *nval)
{
	CONF_VALUE *cnf;
	SXNET *sx = NULL;
	int i;

	for (i = 0; i < sk_CONF_VALUE_num(nval); i++) {
		cnf = sk_CONF_VALUE_value(nval, i);
		if (!SXNET_add_id_asc(&sx, cnf->name, cnf->value, -1))
			return NULL;
	}
	return sx;
}

#endif

/* Strong Extranet utility functions */

/* Add an id given the zone as an ASCII number */

int
SXNET_add_id_asc(SXNET **psx, char *zone, char *user, int userlen)
{
	ASN1_INTEGER *izone = NULL;

	if (!(izone = s2i_ASN1_INTEGER(NULL, zone))) {
		X509V3error(X509V3_R_ERROR_CONVERTING_ZONE);
		return 0;
	}
	return SXNET_add_id_INTEGER(psx, izone, user, userlen);
}

/* Add an id given the zone as an unsigned long */

int
SXNET_add_id_ulong(SXNET **psx, unsigned long lzone, char *user, int userlen)
{
	ASN1_INTEGER *izone = NULL;

	if (!(izone = ASN1_INTEGER_new()) ||
	    !ASN1_INTEGER_set(izone, lzone)) {
		X509V3error(ERR_R_MALLOC_FAILURE);
		ASN1_INTEGER_free(izone);
		return 0;
	}
	return SXNET_add_id_INTEGER(psx, izone, user, userlen);
}

/* Add an id given the zone as an ASN1_INTEGER.
 * Note this version uses the passed integer and doesn't make a copy so don't
 * free it up afterwards.
 */

int
SXNET_add_id_INTEGER(SXNET **psx, ASN1_INTEGER *zone, char *user, int userlen)
{
	SXNET *sx = NULL;
	SXNETID *id = NULL;

	if (!psx || !zone || !user) {
		X509V3error(X509V3_R_INVALID_NULL_ARGUMENT);
		return 0;
	}
	if (userlen == -1)
		userlen = strlen(user);
	if (userlen > 64) {
		X509V3error(X509V3_R_USER_TOO_LONG);
		return 0;
	}
	if (!*psx) {
		if (!(sx = SXNET_new()))
			goto err;
		if (!ASN1_INTEGER_set(sx->version, 0))
			goto err;
		*psx = sx;
	} else
		sx = *psx;
	if (SXNET_get_id_INTEGER(sx, zone)) {
		X509V3error(X509V3_R_DUPLICATE_ZONE_ID);
		return 0;
	}

	if (!(id = SXNETID_new()))
		goto err;
	if (userlen == -1)
		userlen = strlen(user);

	if (!ASN1_STRING_set(id->user, user, userlen))
		goto err;
	if (!sk_SXNETID_push(sx->ids, id))
		goto err;
	id->zone = zone;
	return 1;

err:
	X509V3error(ERR_R_MALLOC_FAILURE);
	SXNETID_free(id);
	SXNET_free(sx);
	*psx = NULL;
	return 0;
}

ASN1_OCTET_STRING *
SXNET_get_id_asc(SXNET *sx, char *zone)
{
	ASN1_INTEGER *izone = NULL;
	ASN1_OCTET_STRING *oct;

	if (!(izone = s2i_ASN1_INTEGER(NULL, zone))) {
		X509V3error(X509V3_R_ERROR_CONVERTING_ZONE);
		return NULL;
	}
	oct = SXNET_get_id_INTEGER(sx, izone);
	ASN1_INTEGER_free(izone);
	return oct;
}

ASN1_OCTET_STRING *
SXNET_get_id_ulong(SXNET *sx, unsigned long lzone)
{
	ASN1_INTEGER *izone = NULL;
	ASN1_OCTET_STRING *oct;

	if (!(izone = ASN1_INTEGER_new()) ||
	    !ASN1_INTEGER_set(izone, lzone)) {
		X509V3error(ERR_R_MALLOC_FAILURE);
		ASN1_INTEGER_free(izone);
		return NULL;
	}
	oct = SXNET_get_id_INTEGER(sx, izone);
	ASN1_INTEGER_free(izone);
	return oct;
}

ASN1_OCTET_STRING *
SXNET_get_id_INTEGER(SXNET *sx, ASN1_INTEGER *zone)
{
	SXNETID *id;
	int i;

	for (i = 0; i < sk_SXNETID_num(sx->ids); i++) {
		id = sk_SXNETID_value(sx->ids, i);
		if (!ASN1_STRING_cmp(id->zone, zone))
			return id->user;
	}
	return NULL;
}


Generated by: GCOVR (Version 3.3)

Line	Branch	Exec	Source
1			/* $OpenBSD: v3_sxnet.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			/* Support for Thawte strong extranet extension */
69
70			#define SXNET_TEST
71
72			static int sxnet_i2r(X509V3_EXT_METHOD method, SXNET sx, BIO *out,
73			int indent);
74			#ifdef SXNET_TEST
75			static SXNET * sxnet_v2i(X509V3_EXT_METHOD method, X509V3_CTX ctx,
76			STACK_OF(CONF_VALUE) *nval);
77			#endif
78
79			const X509V3_EXT_METHOD v3_sxnet = {
80			.ext_nid = NID_sxnet,
81			.ext_flags = X509V3_EXT_MULTILINE,
82			.it = &SXNET_it,
83			.ext_new = NULL,
84			.ext_free = NULL,
85			.d2i = NULL,
86			.i2d = NULL,
87			.i2s = NULL,
88			.s2i = NULL,
89			.i2v = NULL,
90			#ifdef SXNET_TEST
91			.v2i = (X509V3_EXT_V2I)sxnet_v2i,
92			#else
93			.v2i = NULL,
94			#endif
95			.i2r = (X509V3_EXT_I2R)sxnet_i2r,
96			.r2i = NULL,
97			.usr_data = NULL,
98			};
99
100			static const ASN1_TEMPLATE SXNETID_seq_tt[] = {
101			{
102			.flags = 0,
103			.tag = 0,
104			.offset = offsetof(SXNETID, zone),
105			.field_name = "zone",
106			.item = &ASN1_INTEGER_it,
107			},
108			{
109			.flags = 0,
110			.tag = 0,
111			.offset = offsetof(SXNETID, user),
112			.field_name = "user",
113			.item = &ASN1_OCTET_STRING_it,
114			},
115			};
116
117			const ASN1_ITEM SXNETID_it = {
118			.itype = ASN1_ITYPE_SEQUENCE,
119			.utype = V_ASN1_SEQUENCE,
120			.templates = SXNETID_seq_tt,
121			.tcount = sizeof(SXNETID_seq_tt) / sizeof(ASN1_TEMPLATE),
122			.funcs = NULL,
123			.size = sizeof(SXNETID),
124			.sname = "SXNETID",
125			};
126
127
128			SXNETID *
129			d2i_SXNETID(SXNETID a, const unsigned char in, long len)
130			{
131			return (SXNETID )ASN1_item_d2i((ASN1_VALUE *)a, in, len,
132			&SXNETID_it);
133			}
134
135			int
136			i2d_SXNETID(SXNETID a, unsigned char *out)
137			{
138			return ASN1_item_i2d((ASN1_VALUE *)a, out, &SXNETID_it);
139			}
140
141			SXNETID *
142			SXNETID_new(void)
143			{
144			return (SXNETID *)ASN1_item_new(&SXNETID_it);
145			}
146
147			void
148			SXNETID_free(SXNETID *a)
149			{
150			ASN1_item_free((ASN1_VALUE *)a, &SXNETID_it);
151			}
152
153			static const ASN1_TEMPLATE SXNET_seq_tt[] = {
154			{
155			.flags = 0,
156			.tag = 0,
157			.offset = offsetof(SXNET, version),
158			.field_name = "version",
159			.item = &ASN1_INTEGER_it,
160			},
161			{
162			.flags = ASN1_TFLG_SEQUENCE_OF,
163			.tag = 0,
164			.offset = offsetof(SXNET, ids),
165			.field_name = "ids",
166			.item = &SXNETID_it,
167			},
168			};
169
170			const ASN1_ITEM SXNET_it = {
171			.itype = ASN1_ITYPE_SEQUENCE,
172			.utype = V_ASN1_SEQUENCE,
173			.templates = SXNET_seq_tt,
174			.tcount = sizeof(SXNET_seq_tt) / sizeof(ASN1_TEMPLATE),
175			.funcs = NULL,
176			.size = sizeof(SXNET),
177			.sname = "SXNET",
178			};
179
180
181			SXNET *
182			d2i_SXNET(SXNET a, const unsigned char in, long len)
183			{
184			return (SXNET )ASN1_item_d2i((ASN1_VALUE *)a, in, len,
185			&SXNET_it);
186			}
187
188			int
189			i2d_SXNET(SXNET a, unsigned char *out)
190			{
191			return ASN1_item_i2d((ASN1_VALUE *)a, out, &SXNET_it);
192			}
193
194			SXNET *
195			SXNET_new(void)
196			{
197			return (SXNET *)ASN1_item_new(&SXNET_it);
198			}
199
200			void
201			SXNET_free(SXNET *a)
202			{
203			ASN1_item_free((ASN1_VALUE *)a, &SXNET_it);
204			}
205
206			static int
207			sxnet_i2r(X509V3_EXT_METHOD method, SXNET sx, BIO *out, int indent)
208			{
209			long v;
210			char *tmp;
211			SXNETID *id;
212			int i;
213
214			v = ASN1_INTEGER_get(sx->version);
215			BIO_printf(out, "%*sVersion: %ld (0x%lX)", indent, "", v + 1, v);
216			for (i = 0; i < sk_SXNETID_num(sx->ids); i++) {
217			id = sk_SXNETID_value(sx->ids, i);
218			tmp = i2s_ASN1_INTEGER(NULL, id->zone);
219			BIO_printf(out, "\n%*sZone: %s, User: ", indent, "", tmp);
220			free(tmp);
221			ASN1_STRING_print(out, id->user);
222			}
223			return 1;
224			}
225
226			#ifdef SXNET_TEST
227
228			/* NBB: this is used for testing only. It should not be used for anything
229			* else because it will just take static IDs from the configuration file and
230			* they should really be separate values for each user.
231			*/
232
233			static SXNET *
234			sxnet_v2i(X509V3_EXT_METHOD method, X509V3_CTX ctx,
235			STACK_OF(CONF_VALUE) *nval)
236			{
237			CONF_VALUE *cnf;
238			SXNET *sx = NULL;
239			int i;
240
241			for (i = 0; i < sk_CONF_VALUE_num(nval); i++) {
242			cnf = sk_CONF_VALUE_value(nval, i);
243			if (!SXNET_add_id_asc(&sx, cnf->name, cnf->value, -1))
244			return NULL;
245			}
246			return sx;
247			}
248
249			#endif
250
251			/* Strong Extranet utility functions */
252
253			/* Add an id given the zone as an ASCII number */
254
255			int
256			SXNET_add_id_asc(SXNET *psx, char zone, char *user, int userlen)
257			{
258			ASN1_INTEGER *izone = NULL;
259
260			if (!(izone = s2i_ASN1_INTEGER(NULL, zone))) {
261			X509V3error(X509V3_R_ERROR_CONVERTING_ZONE);
262			return 0;
263			}
264			return SXNET_add_id_INTEGER(psx, izone, user, userlen);
265			}
266
267			/* Add an id given the zone as an unsigned long */
268
269			int
270			SXNET_add_id_ulong(SXNET *psx, unsigned long lzone, char user, int userlen)
271			{
272			ASN1_INTEGER *izone = NULL;
273
274			if (!(izone = ASN1_INTEGER_new()) \|\|
275			!ASN1_INTEGER_set(izone, lzone)) {
276			X509V3error(ERR_R_MALLOC_FAILURE);
277			ASN1_INTEGER_free(izone);
278			return 0;
279			}
280			return SXNET_add_id_INTEGER(psx, izone, user, userlen);
281			}
282
283			/* Add an id given the zone as an ASN1_INTEGER.
284			* Note this version uses the passed integer and doesn't make a copy so don't
285			* free it up afterwards.
286			*/
287
288			int
289			SXNET_add_id_INTEGER(SXNET *psx, ASN1_INTEGER zone, char *user, int userlen)
290			{
291			SXNET *sx = NULL;
292			SXNETID *id = NULL;
293
294			if (!psx \|\| !zone \|\| !user) {
295			X509V3error(X509V3_R_INVALID_NULL_ARGUMENT);
296			return 0;
297			}
298			if (userlen == -1)
299			userlen = strlen(user);
300			if (userlen > 64) {
301			X509V3error(X509V3_R_USER_TOO_LONG);
302			return 0;
303			}
304			if (!*psx) {
305			if (!(sx = SXNET_new()))
306			goto err;
307			if (!ASN1_INTEGER_set(sx->version, 0))
308			goto err;
309			*psx = sx;
310			} else
311			sx = *psx;
312			if (SXNET_get_id_INTEGER(sx, zone)) {
313			X509V3error(X509V3_R_DUPLICATE_ZONE_ID);
314			return 0;
315			}
316
317			if (!(id = SXNETID_new()))
318			goto err;
319			if (userlen == -1)
320			userlen = strlen(user);
321
322			if (!ASN1_STRING_set(id->user, user, userlen))
323			goto err;
324			if (!sk_SXNETID_push(sx->ids, id))
325			goto err;
326			id->zone = zone;
327			return 1;
328
329			err:
330			X509V3error(ERR_R_MALLOC_FAILURE);
331			SXNETID_free(id);
332			SXNET_free(sx);
333			*psx = NULL;
334			return 0;
335			}
336
337			ASN1_OCTET_STRING *
338			SXNET_get_id_asc(SXNET sx, char zone)
339			{
340			ASN1_INTEGER *izone = NULL;
341			ASN1_OCTET_STRING *oct;
342
343			if (!(izone = s2i_ASN1_INTEGER(NULL, zone))) {
344			X509V3error(X509V3_R_ERROR_CONVERTING_ZONE);
345			return NULL;
346			}
347			oct = SXNET_get_id_INTEGER(sx, izone);
348			ASN1_INTEGER_free(izone);
349			return oct;
350			}
351
352			ASN1_OCTET_STRING *
353			SXNET_get_id_ulong(SXNET *sx, unsigned long lzone)
354			{
355			ASN1_INTEGER *izone = NULL;
356			ASN1_OCTET_STRING *oct;
357
358			if (!(izone = ASN1_INTEGER_new()) \|\|
359			!ASN1_INTEGER_set(izone, lzone)) {
360			X509V3error(ERR_R_MALLOC_FAILURE);
361			ASN1_INTEGER_free(izone);
362			return NULL;
363			}
364			oct = SXNET_get_id_INTEGER(sx, izone);
365			ASN1_INTEGER_free(izone);
366			return oct;
367			}
368
369			ASN1_OCTET_STRING *
370			SXNET_get_id_INTEGER(SXNET sx, ASN1_INTEGER zone)
371			{
372			SXNETID *id;
373			int i;
374
375			for (i = 0; i < sk_SXNETID_num(sx->ids); i++) {
376			id = sk_SXNETID_value(sx->ids, i);
377			if (!ASN1_STRING_cmp(id->zone, zone))
378			return id->user;
379			}
380			return NULL;
381			}