GCC Code Coverage Report
Directory: ./ Exec Total Coverage
File: lib/libcrypto/x509v3/v3_sxnet.c Lines: 0 80 0.0 %
Date: 2017-11-13 Branches: 0 44 0.0 %

Line Branch Exec Source
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/* $OpenBSD: v3_sxnet.c,v 1.19 2017/01/29 17:49:23 beck Exp $ */
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/* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
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 * project 1999.
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 */
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/* ====================================================================
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 * Copyright (c) 1999 The OpenSSL Project.  All rights reserved.
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 *
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 * Redistribution and use in source and binary forms, with or without
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 * modification, are permitted provided that the following conditions
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 * are met:
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 *
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 * 1. Redistributions of source code must retain the above copyright
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 *    notice, this list of conditions and the following disclaimer.
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 *
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 * 2. Redistributions in binary form must reproduce the above copyright
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 *    notice, this list of conditions and the following disclaimer in
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 *    the documentation and/or other materials provided with the
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 *    distribution.
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 *
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 * 3. All advertising materials mentioning features or use of this
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 *    software must display the following acknowledgment:
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 *    "This product includes software developed by the OpenSSL Project
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 *    for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
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 *
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 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
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 *    endorse or promote products derived from this software without
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 *    prior written permission. For written permission, please contact
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 *    licensing@OpenSSL.org.
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 *
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 * 5. Products derived from this software may not be called "OpenSSL"
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 *    nor may "OpenSSL" appear in their names without prior written
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 *    permission of the OpenSSL Project.
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 *
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 * 6. Redistributions of any form whatsoever must retain the following
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 *    acknowledgment:
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 *    "This product includes software developed by the OpenSSL Project
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 *    for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
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 *
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 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
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 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
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 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
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 * OF THE POSSIBILITY OF SUCH DAMAGE.
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 * ====================================================================
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 *
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 * This product includes cryptographic software written by Eric Young
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 * (eay@cryptsoft.com).  This product includes software written by Tim
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 * Hudson (tjh@cryptsoft.com).
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 *
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 */
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#include <stdio.h>
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#include <string.h>
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#include <openssl/asn1.h>
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#include <openssl/asn1t.h>
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#include <openssl/conf.h>
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#include <openssl/err.h>
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#include <openssl/x509v3.h>
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/* Support for Thawte strong extranet extension */
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70
#define SXNET_TEST
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static int sxnet_i2r(X509V3_EXT_METHOD *method, SXNET *sx, BIO *out,
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    int indent);
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#ifdef SXNET_TEST
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static SXNET * sxnet_v2i(X509V3_EXT_METHOD *method, X509V3_CTX *ctx,
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    STACK_OF(CONF_VALUE) *nval);
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#endif
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const X509V3_EXT_METHOD v3_sxnet = {
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	.ext_nid = NID_sxnet,
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	.ext_flags = X509V3_EXT_MULTILINE,
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	.it = &SXNET_it,
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	.ext_new = NULL,
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	.ext_free = NULL,
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	.d2i = NULL,
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	.i2d = NULL,
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	.i2s = NULL,
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	.s2i = NULL,
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	.i2v = NULL,
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#ifdef SXNET_TEST
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	.v2i = (X509V3_EXT_V2I)sxnet_v2i,
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#else
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	.v2i = NULL,
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#endif
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	.i2r = (X509V3_EXT_I2R)sxnet_i2r,
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	.r2i = NULL,
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	.usr_data = NULL,
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};
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100
static const ASN1_TEMPLATE SXNETID_seq_tt[] = {
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	{
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		.flags = 0,
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		.tag = 0,
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		.offset = offsetof(SXNETID, zone),
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		.field_name = "zone",
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		.item = &ASN1_INTEGER_it,
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	},
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	{
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		.flags = 0,
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		.tag = 0,
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		.offset = offsetof(SXNETID, user),
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		.field_name = "user",
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		.item = &ASN1_OCTET_STRING_it,
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	},
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};
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const ASN1_ITEM SXNETID_it = {
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	.itype = ASN1_ITYPE_SEQUENCE,
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	.utype = V_ASN1_SEQUENCE,
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	.templates = SXNETID_seq_tt,
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	.tcount = sizeof(SXNETID_seq_tt) / sizeof(ASN1_TEMPLATE),
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	.funcs = NULL,
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	.size = sizeof(SXNETID),
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	.sname = "SXNETID",
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};
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127
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SXNETID *
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d2i_SXNETID(SXNETID **a, const unsigned char **in, long len)
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{
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	return (SXNETID *)ASN1_item_d2i((ASN1_VALUE **)a, in, len,
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	    &SXNETID_it);
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}
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135
int
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i2d_SXNETID(SXNETID *a, unsigned char **out)
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{
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	return ASN1_item_i2d((ASN1_VALUE *)a, out, &SXNETID_it);
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}
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141
SXNETID *
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SXNETID_new(void)
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{
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	return (SXNETID *)ASN1_item_new(&SXNETID_it);
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}
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void
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SXNETID_free(SXNETID *a)
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{
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	ASN1_item_free((ASN1_VALUE *)a, &SXNETID_it);
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}
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static const ASN1_TEMPLATE SXNET_seq_tt[] = {
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	{
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		.flags = 0,
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		.tag = 0,
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		.offset = offsetof(SXNET, version),
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		.field_name = "version",
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		.item = &ASN1_INTEGER_it,
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	},
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	{
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		.flags = ASN1_TFLG_SEQUENCE_OF,
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		.tag = 0,
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		.offset = offsetof(SXNET, ids),
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		.field_name = "ids",
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		.item = &SXNETID_it,
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	},
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};
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const ASN1_ITEM SXNET_it = {
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	.itype = ASN1_ITYPE_SEQUENCE,
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	.utype = V_ASN1_SEQUENCE,
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	.templates = SXNET_seq_tt,
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	.tcount = sizeof(SXNET_seq_tt) / sizeof(ASN1_TEMPLATE),
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	.funcs = NULL,
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	.size = sizeof(SXNET),
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	.sname = "SXNET",
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};
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SXNET *
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d2i_SXNET(SXNET **a, const unsigned char **in, long len)
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{
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	return (SXNET *)ASN1_item_d2i((ASN1_VALUE **)a, in, len,
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	    &SXNET_it);
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}
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int
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i2d_SXNET(SXNET *a, unsigned char **out)
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{
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	return ASN1_item_i2d((ASN1_VALUE *)a, out, &SXNET_it);
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}
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SXNET *
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SXNET_new(void)
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{
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	return (SXNET *)ASN1_item_new(&SXNET_it);
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}
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void
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SXNET_free(SXNET *a)
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{
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	ASN1_item_free((ASN1_VALUE *)a, &SXNET_it);
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}
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static int
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sxnet_i2r(X509V3_EXT_METHOD *method, SXNET *sx, BIO *out, int indent)
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{
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	long v;
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	char *tmp;
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	SXNETID *id;
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	int i;
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	v = ASN1_INTEGER_get(sx->version);
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	BIO_printf(out, "%*sVersion: %ld (0x%lX)", indent, "", v + 1, v);
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	for (i = 0; i < sk_SXNETID_num(sx->ids); i++) {
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		id = sk_SXNETID_value(sx->ids, i);
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		tmp = i2s_ASN1_INTEGER(NULL, id->zone);
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		BIO_printf(out, "\n%*sZone: %s, User: ", indent, "", tmp);
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		free(tmp);
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		ASN1_STRING_print(out, id->user);
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	}
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	return 1;
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}
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#ifdef SXNET_TEST
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/* NBB: this is used for testing only. It should *not* be used for anything
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 * else because it will just take static IDs from the configuration file and
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 * they should really be separate values for each user.
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 */
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static SXNET *
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sxnet_v2i(X509V3_EXT_METHOD *method, X509V3_CTX *ctx,
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    STACK_OF(CONF_VALUE) *nval)
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{
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	CONF_VALUE *cnf;
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	SXNET *sx = NULL;
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	int i;
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	for (i = 0; i < sk_CONF_VALUE_num(nval); i++) {
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		cnf = sk_CONF_VALUE_value(nval, i);
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		if (!SXNET_add_id_asc(&sx, cnf->name, cnf->value, -1))
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			return NULL;
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	}
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	return sx;
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}
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#endif
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/* Strong Extranet utility functions */
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253
/* Add an id given the zone as an ASCII number */
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int
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SXNET_add_id_asc(SXNET **psx, char *zone, char *user, int userlen)
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{
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	ASN1_INTEGER *izone = NULL;
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	if (!(izone = s2i_ASN1_INTEGER(NULL, zone))) {
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		X509V3error(X509V3_R_ERROR_CONVERTING_ZONE);
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		return 0;
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	}
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	return SXNET_add_id_INTEGER(psx, izone, user, userlen);
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}
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/* Add an id given the zone as an unsigned long */
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int
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SXNET_add_id_ulong(SXNET **psx, unsigned long lzone, char *user, int userlen)
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{
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	ASN1_INTEGER *izone = NULL;
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	if (!(izone = ASN1_INTEGER_new()) ||
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	    !ASN1_INTEGER_set(izone, lzone)) {
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		X509V3error(ERR_R_MALLOC_FAILURE);
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		ASN1_INTEGER_free(izone);
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		return 0;
279
	}
280
	return SXNET_add_id_INTEGER(psx, izone, user, userlen);
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}
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
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 * free it up afterwards.
286
 */
287
288
int
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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);
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		return 0;
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	}
298
	if (userlen == -1)
299
		userlen = strlen(user);
300
	if (userlen > 64) {
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		X509V3error(X509V3_R_USER_TOO_LONG);
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		return 0;
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	}
304
	if (!*psx) {
305
		if (!(sx = SXNET_new()))
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			goto err;
307
		if (!ASN1_INTEGER_set(sx->version, 0))
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			goto err;
309
		*psx = sx;
310
	} else
311
		sx = *psx;
312
	if (SXNET_get_id_INTEGER(sx, zone)) {
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		X509V3error(X509V3_R_DUPLICATE_ZONE_ID);
314
		return 0;
315
	}
316
317
	if (!(id = SXNETID_new()))
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		goto err;
319
	if (userlen == -1)
320
		userlen = strlen(user);
321
322
	if (!ASN1_STRING_set(id->user, user, userlen))
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		goto err;
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	if (!sk_SXNETID_push(sx->ids, id))
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		goto err;
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	id->zone = zone;
327
	return 1;
328
329
err:
330
	X509V3error(ERR_R_MALLOC_FAILURE);
331
	SXNETID_free(id);
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	SXNET_free(sx);
333
	*psx = NULL;
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	return 0;
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}
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
}