early-access version 1255
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pineappleEA
383
externals/libressl/crypto/x509/x509_sxnet.c
vendored
Executable file
383
externals/libressl/crypto/x509/x509_sxnet.c
vendored
Executable file
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/* $OpenBSD: x509_sxnet.c,v 1.1 2020/06/04 15:19:32 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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#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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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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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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/* 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, const char *zone, const 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, const 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()) ||
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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;
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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
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SXNET_add_id_INTEGER(SXNET **psx, ASN1_INTEGER *zone, const 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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X509V3error(X509V3_R_INVALID_NULL_ARGUMENT);
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return 0;
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}
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if (userlen == -1)
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userlen = strlen(user);
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if (userlen > 64) {
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X509V3error(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()))
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goto err;
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if (!ASN1_INTEGER_set(sx->version, 0))
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goto err;
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*psx = sx;
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} else
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sx = *psx;
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if (SXNET_get_id_INTEGER(sx, zone)) {
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X509V3error(X509V3_R_DUPLICATE_ZONE_ID);
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return 0;
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}
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if (!(id = SXNETID_new()))
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goto err;
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if (userlen == -1)
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userlen = strlen(user);
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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;
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return 1;
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err:
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X509V3error(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 *
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SXNET_get_id_asc(SXNET *sx, const 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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X509V3error(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 *
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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()) ||
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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 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 *
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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))
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return id->user;
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}
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return NULL;
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}
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