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/* $OpenBSD: v3_sxnet.c,v 1.17 2015/09/30 17:30:16 jsing 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 |
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#define SXNET_TEST |
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72 |
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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 = ASN1_ITEM_ref(SXNET), |
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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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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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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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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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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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180 |
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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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200 |
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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); |
222 |
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} |
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return 1; |
224 |
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} |
225 |
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226 |
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#ifdef SXNET_TEST |
227 |
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228 |
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/* NBB: this is used for testing only. It should *not* be used for anything |
229 |
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* else because it will just take static IDs from the configuration file and |
230 |
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* they should really be separate values for each user. |
231 |
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*/ |
232 |
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233 |
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static SXNET * |
234 |
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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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{ |
237 |
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CONF_VALUE *cnf; |
238 |
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SXNET *sx = NULL; |
239 |
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int i; |
240 |
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241 |
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for (i = 0; i < sk_CONF_VALUE_num(nval); i++) { |
242 |
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cnf = sk_CONF_VALUE_value(nval, i); |
243 |
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if (!SXNET_add_id_asc(&sx, cnf->name, cnf->value, -1)) |
244 |
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return NULL; |
245 |
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} |
246 |
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return sx; |
247 |
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} |
248 |
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249 |
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#endif |
250 |
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251 |
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/* Strong Extranet utility functions */ |
252 |
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253 |
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/* Add an id given the zone as an ASCII number */ |
254 |
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255 |
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int |
256 |
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SXNET_add_id_asc(SXNET **psx, char *zone, char *user, int userlen) |
257 |
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{ |
258 |
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ASN1_INTEGER *izone = NULL; |
259 |
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260 |
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if (!(izone = s2i_ASN1_INTEGER(NULL, zone))) { |
261 |
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X509V3err(X509V3_F_SXNET_ADD_ID_ASC, |
262 |
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X509V3_R_ERROR_CONVERTING_ZONE); |
263 |
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return 0; |
264 |
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} |
265 |
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return SXNET_add_id_INTEGER(psx, izone, user, userlen); |
266 |
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} |
267 |
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268 |
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/* Add an id given the zone as an unsigned long */ |
269 |
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|
270 |
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int |
271 |
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SXNET_add_id_ulong(SXNET **psx, unsigned long lzone, char *user, int userlen) |
272 |
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{ |
273 |
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ASN1_INTEGER *izone = NULL; |
274 |
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|
275 |
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if (!(izone = ASN1_INTEGER_new()) || |
276 |
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!ASN1_INTEGER_set(izone, lzone)) { |
277 |
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X509V3err(X509V3_F_SXNET_ADD_ID_ULONG, ERR_R_MALLOC_FAILURE); |
278 |
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ASN1_INTEGER_free(izone); |
279 |
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return 0; |
280 |
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} |
281 |
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return SXNET_add_id_INTEGER(psx, izone, user, userlen); |
282 |
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} |
283 |
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|
284 |
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/* Add an id given the zone as an ASN1_INTEGER. |
285 |
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* Note this version uses the passed integer and doesn't make a copy so don't |
286 |
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* free it up afterwards. |
287 |
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*/ |
288 |
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|
289 |
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int |
290 |
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SXNET_add_id_INTEGER(SXNET **psx, ASN1_INTEGER *zone, char *user, int userlen) |
291 |
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{ |
292 |
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SXNET *sx = NULL; |
293 |
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SXNETID *id = NULL; |
294 |
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|
295 |
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if (!psx || !zone || !user) { |
296 |
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X509V3err(X509V3_F_SXNET_ADD_ID_INTEGER, |
297 |
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X509V3_R_INVALID_NULL_ARGUMENT); |
298 |
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return 0; |
299 |
|
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} |
300 |
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if (userlen == -1) |
301 |
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userlen = strlen(user); |
302 |
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if (userlen > 64) { |
303 |
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X509V3err(X509V3_F_SXNET_ADD_ID_INTEGER, |
304 |
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X509V3_R_USER_TOO_LONG); |
305 |
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return 0; |
306 |
|
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} |
307 |
|
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if (!*psx) { |
308 |
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if (!(sx = SXNET_new())) |
309 |
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goto err; |
310 |
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if (!ASN1_INTEGER_set(sx->version, 0)) |
311 |
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goto err; |
312 |
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*psx = sx; |
313 |
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} else |
314 |
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sx = *psx; |
315 |
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if (SXNET_get_id_INTEGER(sx, zone)) { |
316 |
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X509V3err(X509V3_F_SXNET_ADD_ID_INTEGER, |
317 |
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X509V3_R_DUPLICATE_ZONE_ID); |
318 |
|
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return 0; |
319 |
|
|
} |
320 |
|
|
|
321 |
|
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if (!(id = SXNETID_new())) |
322 |
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goto err; |
323 |
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if (userlen == -1) |
324 |
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userlen = strlen(user); |
325 |
|
|
|
326 |
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if (!ASN1_STRING_set(id->user, user, userlen)) |
327 |
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goto err; |
328 |
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if (!sk_SXNETID_push(sx->ids, id)) |
329 |
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goto err; |
330 |
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id->zone = zone; |
331 |
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return 1; |
332 |
|
|
|
333 |
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err: |
334 |
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X509V3err(X509V3_F_SXNET_ADD_ID_INTEGER, ERR_R_MALLOC_FAILURE); |
335 |
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SXNETID_free(id); |
336 |
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SXNET_free(sx); |
337 |
|
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*psx = NULL; |
338 |
|
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return 0; |
339 |
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|
} |
340 |
|
|
|
341 |
|
|
ASN1_OCTET_STRING * |
342 |
|
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SXNET_get_id_asc(SXNET *sx, char *zone) |
343 |
|
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{ |
344 |
|
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ASN1_INTEGER *izone = NULL; |
345 |
|
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ASN1_OCTET_STRING *oct; |
346 |
|
|
|
347 |
|
|
if (!(izone = s2i_ASN1_INTEGER(NULL, zone))) { |
348 |
|
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X509V3err(X509V3_F_SXNET_GET_ID_ASC, |
349 |
|
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X509V3_R_ERROR_CONVERTING_ZONE); |
350 |
|
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return NULL; |
351 |
|
|
} |
352 |
|
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oct = SXNET_get_id_INTEGER(sx, izone); |
353 |
|
|
ASN1_INTEGER_free(izone); |
354 |
|
|
return oct; |
355 |
|
|
} |
356 |
|
|
|
357 |
|
|
ASN1_OCTET_STRING * |
358 |
|
|
SXNET_get_id_ulong(SXNET *sx, unsigned long lzone) |
359 |
|
|
{ |
360 |
|
|
ASN1_INTEGER *izone = NULL; |
361 |
|
|
ASN1_OCTET_STRING *oct; |
362 |
|
|
|
363 |
|
|
if (!(izone = ASN1_INTEGER_new()) || |
364 |
|
|
!ASN1_INTEGER_set(izone, lzone)) { |
365 |
|
|
X509V3err(X509V3_F_SXNET_GET_ID_ULONG, ERR_R_MALLOC_FAILURE); |
366 |
|
|
ASN1_INTEGER_free(izone); |
367 |
|
|
return NULL; |
368 |
|
|
} |
369 |
|
|
oct = SXNET_get_id_INTEGER(sx, izone); |
370 |
|
|
ASN1_INTEGER_free(izone); |
371 |
|
|
return oct; |
372 |
|
|
} |
373 |
|
|
|
374 |
|
|
ASN1_OCTET_STRING * |
375 |
|
|
SXNET_get_id_INTEGER(SXNET *sx, ASN1_INTEGER *zone) |
376 |
|
|
{ |
377 |
|
|
SXNETID *id; |
378 |
|
|
int i; |
379 |
|
|
|
380 |
|
|
for (i = 0; i < sk_SXNETID_num(sx->ids); i++) { |
381 |
|
|
id = sk_SXNETID_value(sx->ids, i); |
382 |
|
|
if (!ASN1_STRING_cmp(id->zone, zone)) |
383 |
|
|
return id->user; |
384 |
|
|
} |
385 |
|
|
return NULL; |
386 |
|
|
} |