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f8be08d200
zone number.
341 lines
9.4 KiB
C
341 lines
9.4 KiB
C
/* v3_sxnet.c */
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/* Written by Dr Stephen N Henson (shenson@bigfoot.com) 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 "cryptlib.h"
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#include <openssl/conf.h>
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#include <openssl/asn1.h>
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#include <openssl/asn1_mac.h>
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#include <openssl/x509v3.h>
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/* Support for Thawte strong extranet extension */
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#define SXNET_TEST
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static int sxnet_i2r(X509V3_EXT_METHOD *method, SXNET *sx, BIO *out, 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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X509V3_EXT_METHOD v3_sxnet = {
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NID_sxnet, X509V3_EXT_MULTILINE,
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(X509V3_EXT_NEW)SXNET_new,
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(X509V3_EXT_FREE)SXNET_free,
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(X509V3_EXT_D2I)d2i_SXNET,
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(X509V3_EXT_I2D)i2d_SXNET,
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NULL, NULL,
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NULL,
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#ifdef SXNET_TEST
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(X509V3_EXT_V2I)sxnet_v2i,
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#else
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NULL,
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#endif
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(X509V3_EXT_I2R)sxnet_i2r,
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NULL,
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NULL
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};
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int i2d_SXNET(SXNET *a, unsigned char **pp)
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{
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M_ASN1_I2D_vars(a);
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M_ASN1_I2D_len (a->version, i2d_ASN1_INTEGER);
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M_ASN1_I2D_len_SEQUENCE_type (SXNETID, a->ids, i2d_SXNETID);
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M_ASN1_I2D_seq_total();
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M_ASN1_I2D_put (a->version, i2d_ASN1_INTEGER);
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M_ASN1_I2D_put_SEQUENCE_type (SXNETID, a->ids, i2d_SXNETID);
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M_ASN1_I2D_finish();
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}
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SXNET *SXNET_new(void)
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{
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SXNET *ret=NULL;
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ASN1_CTX c;
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M_ASN1_New_Malloc(ret, SXNET);
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M_ASN1_New(ret->version,ASN1_INTEGER_new);
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M_ASN1_New(ret->ids,sk_SXNETID_new_null);
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return (ret);
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M_ASN1_New_Error(ASN1_F_SXNET_NEW);
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}
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SXNET *d2i_SXNET(SXNET **a, unsigned char **pp, long length)
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{
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M_ASN1_D2I_vars(a,SXNET *,SXNET_new);
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M_ASN1_D2I_Init();
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M_ASN1_D2I_start_sequence();
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M_ASN1_D2I_get (ret->version, d2i_ASN1_INTEGER);
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M_ASN1_D2I_get_seq_type (SXNETID, ret->ids, d2i_SXNETID, SXNETID_free);
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M_ASN1_D2I_Finish(a, SXNET_free, ASN1_F_D2I_SXNET);
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}
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void SXNET_free(SXNET *a)
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{
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if (a == NULL) return;
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ASN1_INTEGER_free(a->version);
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sk_SXNETID_pop_free(a->ids, SXNETID_free);
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Free (a);
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}
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int i2d_SXNETID(SXNETID *a, unsigned char **pp)
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{
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M_ASN1_I2D_vars(a);
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M_ASN1_I2D_len (a->zone, i2d_ASN1_INTEGER);
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M_ASN1_I2D_len (a->user, i2d_ASN1_OCTET_STRING);
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M_ASN1_I2D_seq_total();
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M_ASN1_I2D_put (a->zone, i2d_ASN1_INTEGER);
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M_ASN1_I2D_put (a->user, i2d_ASN1_OCTET_STRING);
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M_ASN1_I2D_finish();
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}
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SXNETID *SXNETID_new(void)
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{
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SXNETID *ret=NULL;
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ASN1_CTX c;
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M_ASN1_New_Malloc(ret, SXNETID);
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ret->zone = NULL;
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M_ASN1_New(ret->user,ASN1_OCTET_STRING_new);
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return (ret);
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M_ASN1_New_Error(ASN1_F_SXNETID_NEW);
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}
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SXNETID *d2i_SXNETID(SXNETID **a, unsigned char **pp, long length)
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{
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M_ASN1_D2I_vars(a,SXNETID *,SXNETID_new);
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M_ASN1_D2I_Init();
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M_ASN1_D2I_start_sequence();
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M_ASN1_D2I_get(ret->zone, d2i_ASN1_INTEGER);
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M_ASN1_D2I_get(ret->user, d2i_ASN1_OCTET_STRING);
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M_ASN1_D2I_Finish(a, SXNETID_free, ASN1_F_D2I_SXNETID);
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}
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void SXNETID_free(SXNETID *a)
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{
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if (a == NULL) return;
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ASN1_INTEGER_free(a->zone);
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ASN1_OCTET_STRING_free(a->user);
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Free (a);
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}
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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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{
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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: %d (0x%X)", 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_OCTET_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 * 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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/* Add an id given the zone as an ASCII number */
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int SXNET_add_id_asc(SXNET **psx, char *zone, char *user,
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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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X509V3err(X509V3_F_SXNET_ADD_ASC,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 SXNET_add_id_ulong(SXNET **psx, unsigned long lzone, char *user,
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int userlen)
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{
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ASN1_INTEGER *izone = NULL;
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if(!(izone = ASN1_INTEGER_new()) || !ASN1_INTEGER_set(izone, lzone)) {
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X509V3err(X509V3_F_SXNET_ADD_ID_ULONG,ERR_R_MALLOC_FAILURE);
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ASN1_INTEGER_free(izone);
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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 ASN1_INTEGER.
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* Note this version uses the passed integer and doesn't make a copy so don't
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* free it up afterwards.
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*/
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int SXNET_add_id_INTEGER(SXNET **psx, ASN1_INTEGER *zone, char *user,
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int userlen)
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{
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SXNET *sx = NULL;
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SXNETID *id = NULL;
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if(!psx || !zone || !user) {
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X509V3err(X509V3_F_SXNET_ADD_ID_INTEGER,X509V3_R_INVALID_NULL_ARGUMENT);
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return 0;
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}
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if(userlen == -1) userlen = strlen(user);
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if(userlen > 64) {
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X509V3err(X509V3_F_SXNET_ADD_ID_INTEGER,X509V3_R_USER_TOO_LONG);
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return 0;
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}
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if(!*psx) {
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if(!(sx = SXNET_new())) goto err;
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if(!ASN1_INTEGER_set(sx->version, 0)) goto err;
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*psx = sx;
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} else sx = *psx;
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if(SXNET_get_id_INTEGER(sx, zone)) {
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X509V3err(X509V3_F_SXNET_ADD_ID_INTEGER,X509V3_R_DUPLICATE_ZONE_ID);
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return 0;
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}
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if(!(id = SXNETID_new())) goto err;
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if(userlen == -1) userlen = strlen(user);
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if(!ASN1_OCTET_STRING_set(id->user, user, userlen)) goto err;
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if(!sk_SXNETID_push(sx->ids, id)) goto err;
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id->zone = zone;
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return 1;
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err:
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X509V3err(X509V3_F_SXNET_ADD_ID_INTEGER,ERR_R_MALLOC_FAILURE);
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SXNETID_free(id);
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SXNET_free(sx);
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*psx = NULL;
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return 0;
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}
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ASN1_OCTET_STRING *SXNET_get_id_asc(SXNET *sx, char *zone)
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{
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ASN1_INTEGER *izone = NULL;
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ASN1_OCTET_STRING *oct;
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if(!(izone = s2i_ASN1_INTEGER(NULL, zone))) {
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X509V3err(X509V3_F_SXNET_GET_ID_ASC,X509V3_R_ERROR_CONVERTING_ZONE);
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return NULL;
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}
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oct = SXNET_get_id_INTEGER(sx, izone);
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ASN1_INTEGER_free(izone);
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return oct;
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}
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ASN1_OCTET_STRING *SXNET_get_id_ulong(SXNET *sx, unsigned long lzone)
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{
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ASN1_INTEGER *izone = NULL;
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ASN1_OCTET_STRING *oct;
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if(!(izone = ASN1_INTEGER_new()) || !ASN1_INTEGER_set(izone, lzone)) {
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X509V3err(X509V3_F_SXNET_GET_ID_ULONG,ERR_R_MALLOC_FAILURE);
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ASN1_INTEGER_free(izone);
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return NULL;
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}
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oct = SXNET_get_id_INTEGER(sx, izone);
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ASN1_INTEGER_free(izone);
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return oct;
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}
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ASN1_OCTET_STRING *SXNET_get_id_INTEGER(SXNET *sx, ASN1_INTEGER *zone)
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{
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SXNETID *id;
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int i;
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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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if(!ASN1_INTEGER_cmp(id->zone, zone)) return id->user;
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}
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return NULL;
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}
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IMPLEMENT_STACK_OF(SXNETID)
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IMPLEMENT_ASN1_SET_OF(SXNETID)
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