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/* $OpenBSD: v3_bcons.c,v 1.15 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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static STACK_OF(CONF_VALUE) *i2v_BASIC_CONSTRAINTS(X509V3_EXT_METHOD *method, |
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BASIC_CONSTRAINTS *bcons, STACK_OF(CONF_VALUE) *extlist); |
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static BASIC_CONSTRAINTS *v2i_BASIC_CONSTRAINTS(X509V3_EXT_METHOD *method, |
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X509V3_CTX *ctx, STACK_OF(CONF_VALUE) *values); |
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const X509V3_EXT_METHOD v3_bcons = { |
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.ext_nid = NID_basic_constraints, |
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.ext_flags = 0, |
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.it = &BASIC_CONSTRAINTS_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 = (X509V3_EXT_I2V)i2v_BASIC_CONSTRAINTS, |
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.v2i = (X509V3_EXT_V2I)v2i_BASIC_CONSTRAINTS, |
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.i2r = NULL, |
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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 BASIC_CONSTRAINTS_seq_tt[] = { |
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{ |
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.flags = ASN1_TFLG_OPTIONAL, |
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.tag = 0, |
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.offset = offsetof(BASIC_CONSTRAINTS, ca), |
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.field_name = "ca", |
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.item = &ASN1_FBOOLEAN_it, |
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}, |
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{ |
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.flags = ASN1_TFLG_OPTIONAL, |
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.tag = 0, |
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.offset = offsetof(BASIC_CONSTRAINTS, pathlen), |
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.field_name = "pathlen", |
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.item = &ASN1_INTEGER_it, |
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}, |
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}; |
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const ASN1_ITEM BASIC_CONSTRAINTS_it = { |
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.itype = ASN1_ITYPE_SEQUENCE, |
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.utype = V_ASN1_SEQUENCE, |
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.templates = BASIC_CONSTRAINTS_seq_tt, |
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.tcount = sizeof(BASIC_CONSTRAINTS_seq_tt) / sizeof(ASN1_TEMPLATE), |
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.funcs = NULL, |
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.size = sizeof(BASIC_CONSTRAINTS), |
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.sname = "BASIC_CONSTRAINTS", |
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}; |
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BASIC_CONSTRAINTS * |
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d2i_BASIC_CONSTRAINTS(BASIC_CONSTRAINTS **a, const unsigned char **in, long len) |
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{ |
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return (BASIC_CONSTRAINTS *)ASN1_item_d2i((ASN1_VALUE **)a, in, len, |
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&BASIC_CONSTRAINTS_it); |
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} |
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int |
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i2d_BASIC_CONSTRAINTS(BASIC_CONSTRAINTS *a, unsigned char **out) |
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{ |
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return ASN1_item_i2d((ASN1_VALUE *)a, out, &BASIC_CONSTRAINTS_it); |
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} |
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BASIC_CONSTRAINTS * |
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BASIC_CONSTRAINTS_new(void) |
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{ |
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return (BASIC_CONSTRAINTS *)ASN1_item_new(&BASIC_CONSTRAINTS_it); |
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} |
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void |
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BASIC_CONSTRAINTS_free(BASIC_CONSTRAINTS *a) |
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{ |
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ASN1_item_free((ASN1_VALUE *)a, &BASIC_CONSTRAINTS_it); |
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} |
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static STACK_OF(CONF_VALUE) * |
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i2v_BASIC_CONSTRAINTS(X509V3_EXT_METHOD *method, BASIC_CONSTRAINTS *bcons, |
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STACK_OF(CONF_VALUE) *extlist) |
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{ |
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X509V3_add_value_bool("CA", bcons->ca, &extlist); |
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X509V3_add_value_int("pathlen", bcons->pathlen, &extlist); |
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return extlist; |
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} |
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static BASIC_CONSTRAINTS * |
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v2i_BASIC_CONSTRAINTS(X509V3_EXT_METHOD *method, X509V3_CTX *ctx, |
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STACK_OF(CONF_VALUE) *values) |
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{ |
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BASIC_CONSTRAINTS *bcons = NULL; |
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CONF_VALUE *val; |
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int i; |
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✗✓ |
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if (!(bcons = BASIC_CONSTRAINTS_new())) { |
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X509V3error(ERR_R_MALLOC_FAILURE); |
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return NULL; |
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} |
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✓✓ |
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for (i = 0; i < sk_CONF_VALUE_num(values); i++) { |
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val = sk_CONF_VALUE_value(values, i); |
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✓✗ |
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if (!strcmp(val->name, "CA")) { |
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✓✗ |
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if (!X509V3_get_value_bool(val, &bcons->ca)) |
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goto err; |
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} else if (!strcmp(val->name, "pathlen")) { |
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if (!X509V3_get_value_int(val, &bcons->pathlen)) |
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goto err; |
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} else { |
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X509V3error(X509V3_R_INVALID_NAME); |
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X509V3_conf_err(val); |
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goto err; |
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} |
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} |
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return bcons; |
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err: |
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BASIC_CONSTRAINTS_free(bcons); |
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return NULL; |
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} |