1d9e397b599b13d642138480a28c14db7a136bf0Adam Langley/* v3_bcons.c */ 24969cc9b0ab2905ec478277f50ed3849b37a6c6bDavid Benjamin/* 34969cc9b0ab2905ec478277f50ed3849b37a6c6bDavid Benjamin * Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL project 44969cc9b0ab2905ec478277f50ed3849b37a6c6bDavid Benjamin * 1999. 5d9e397b599b13d642138480a28c14db7a136bf0Adam Langley */ 6d9e397b599b13d642138480a28c14db7a136bf0Adam Langley/* ==================================================================== 7d9e397b599b13d642138480a28c14db7a136bf0Adam Langley * Copyright (c) 1999 The OpenSSL Project. All rights reserved. 8d9e397b599b13d642138480a28c14db7a136bf0Adam Langley * 9d9e397b599b13d642138480a28c14db7a136bf0Adam Langley * Redistribution and use in source and binary forms, with or without 10d9e397b599b13d642138480a28c14db7a136bf0Adam Langley * modification, are permitted provided that the following conditions 11d9e397b599b13d642138480a28c14db7a136bf0Adam Langley * are met: 12d9e397b599b13d642138480a28c14db7a136bf0Adam Langley * 13d9e397b599b13d642138480a28c14db7a136bf0Adam Langley * 1. Redistributions of source code must retain the above copyright 144969cc9b0ab2905ec478277f50ed3849b37a6c6bDavid Benjamin * notice, this list of conditions and the following disclaimer. 15d9e397b599b13d642138480a28c14db7a136bf0Adam Langley * 16d9e397b599b13d642138480a28c14db7a136bf0Adam Langley * 2. Redistributions in binary form must reproduce the above copyright 17d9e397b599b13d642138480a28c14db7a136bf0Adam Langley * notice, this list of conditions and the following disclaimer in 18d9e397b599b13d642138480a28c14db7a136bf0Adam Langley * the documentation and/or other materials provided with the 19d9e397b599b13d642138480a28c14db7a136bf0Adam Langley * distribution. 20d9e397b599b13d642138480a28c14db7a136bf0Adam Langley * 21d9e397b599b13d642138480a28c14db7a136bf0Adam Langley * 3. All advertising materials mentioning features or use of this 22d9e397b599b13d642138480a28c14db7a136bf0Adam Langley * software must display the following acknowledgment: 23d9e397b599b13d642138480a28c14db7a136bf0Adam Langley * "This product includes software developed by the OpenSSL Project 24d9e397b599b13d642138480a28c14db7a136bf0Adam Langley * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)" 25d9e397b599b13d642138480a28c14db7a136bf0Adam Langley * 26d9e397b599b13d642138480a28c14db7a136bf0Adam Langley * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to 27d9e397b599b13d642138480a28c14db7a136bf0Adam Langley * endorse or promote products derived from this software without 28d9e397b599b13d642138480a28c14db7a136bf0Adam Langley * prior written permission. For written permission, please contact 29d9e397b599b13d642138480a28c14db7a136bf0Adam Langley * licensing@OpenSSL.org. 30d9e397b599b13d642138480a28c14db7a136bf0Adam Langley * 31d9e397b599b13d642138480a28c14db7a136bf0Adam Langley * 5. Products derived from this software may not be called "OpenSSL" 32d9e397b599b13d642138480a28c14db7a136bf0Adam Langley * nor may "OpenSSL" appear in their names without prior written 33d9e397b599b13d642138480a28c14db7a136bf0Adam Langley * permission of the OpenSSL Project. 34d9e397b599b13d642138480a28c14db7a136bf0Adam Langley * 35d9e397b599b13d642138480a28c14db7a136bf0Adam Langley * 6. Redistributions of any form whatsoever must retain the following 36d9e397b599b13d642138480a28c14db7a136bf0Adam Langley * acknowledgment: 37d9e397b599b13d642138480a28c14db7a136bf0Adam Langley * "This product includes software developed by the OpenSSL Project 38d9e397b599b13d642138480a28c14db7a136bf0Adam Langley * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)" 39d9e397b599b13d642138480a28c14db7a136bf0Adam Langley * 40d9e397b599b13d642138480a28c14db7a136bf0Adam Langley * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY 41d9e397b599b13d642138480a28c14db7a136bf0Adam Langley * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 42d9e397b599b13d642138480a28c14db7a136bf0Adam Langley * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 43d9e397b599b13d642138480a28c14db7a136bf0Adam Langley * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR 44d9e397b599b13d642138480a28c14db7a136bf0Adam Langley * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 45d9e397b599b13d642138480a28c14db7a136bf0Adam Langley * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 46d9e397b599b13d642138480a28c14db7a136bf0Adam Langley * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 47d9e397b599b13d642138480a28c14db7a136bf0Adam Langley * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 48d9e397b599b13d642138480a28c14db7a136bf0Adam Langley * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 49d9e397b599b13d642138480a28c14db7a136bf0Adam Langley * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 50d9e397b599b13d642138480a28c14db7a136bf0Adam Langley * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED 51d9e397b599b13d642138480a28c14db7a136bf0Adam Langley * OF THE POSSIBILITY OF SUCH DAMAGE. 52d9e397b599b13d642138480a28c14db7a136bf0Adam Langley * ==================================================================== 53d9e397b599b13d642138480a28c14db7a136bf0Adam Langley * 54d9e397b599b13d642138480a28c14db7a136bf0Adam Langley * This product includes cryptographic software written by Eric Young 55d9e397b599b13d642138480a28c14db7a136bf0Adam Langley * (eay@cryptsoft.com). This product includes software written by Tim 56d9e397b599b13d642138480a28c14db7a136bf0Adam Langley * Hudson (tjh@cryptsoft.com). */ 57d9e397b599b13d642138480a28c14db7a136bf0Adam Langley 58d9e397b599b13d642138480a28c14db7a136bf0Adam Langley#include <stdio.h> 59d9e397b599b13d642138480a28c14db7a136bf0Adam Langley#include <string.h> 60d9e397b599b13d642138480a28c14db7a136bf0Adam Langley 61d9e397b599b13d642138480a28c14db7a136bf0Adam Langley#include <openssl/asn1.h> 62d9e397b599b13d642138480a28c14db7a136bf0Adam Langley#include <openssl/asn1t.h> 63d9e397b599b13d642138480a28c14db7a136bf0Adam Langley#include <openssl/conf.h> 64d9e397b599b13d642138480a28c14db7a136bf0Adam Langley#include <openssl/err.h> 65d9e397b599b13d642138480a28c14db7a136bf0Adam Langley#include <openssl/obj.h> 66d9e397b599b13d642138480a28c14db7a136bf0Adam Langley#include <openssl/x509v3.h> 67d9e397b599b13d642138480a28c14db7a136bf0Adam Langley 684969cc9b0ab2905ec478277f50ed3849b37a6c6bDavid Benjaminstatic STACK_OF(CONF_VALUE) *i2v_BASIC_CONSTRAINTS(X509V3_EXT_METHOD *method, 694969cc9b0ab2905ec478277f50ed3849b37a6c6bDavid Benjamin BASIC_CONSTRAINTS *bcons, 704969cc9b0ab2905ec478277f50ed3849b37a6c6bDavid Benjamin STACK_OF(CONF_VALUE) 714969cc9b0ab2905ec478277f50ed3849b37a6c6bDavid Benjamin *extlist); 724969cc9b0ab2905ec478277f50ed3849b37a6c6bDavid Benjaminstatic BASIC_CONSTRAINTS *v2i_BASIC_CONSTRAINTS(X509V3_EXT_METHOD *method, 734969cc9b0ab2905ec478277f50ed3849b37a6c6bDavid Benjamin X509V3_CTX *ctx, 744969cc9b0ab2905ec478277f50ed3849b37a6c6bDavid Benjamin STACK_OF(CONF_VALUE) *values); 75d9e397b599b13d642138480a28c14db7a136bf0Adam Langley 76d9e397b599b13d642138480a28c14db7a136bf0Adam Langleyconst X509V3_EXT_METHOD v3_bcons = { 774969cc9b0ab2905ec478277f50ed3849b37a6c6bDavid Benjamin NID_basic_constraints, 0, 784969cc9b0ab2905ec478277f50ed3849b37a6c6bDavid Benjamin ASN1_ITEM_ref(BASIC_CONSTRAINTS), 794969cc9b0ab2905ec478277f50ed3849b37a6c6bDavid Benjamin 0, 0, 0, 0, 804969cc9b0ab2905ec478277f50ed3849b37a6c6bDavid Benjamin 0, 0, 814969cc9b0ab2905ec478277f50ed3849b37a6c6bDavid Benjamin (X509V3_EXT_I2V) i2v_BASIC_CONSTRAINTS, 824969cc9b0ab2905ec478277f50ed3849b37a6c6bDavid Benjamin (X509V3_EXT_V2I)v2i_BASIC_CONSTRAINTS, 834969cc9b0ab2905ec478277f50ed3849b37a6c6bDavid Benjamin NULL, NULL, 844969cc9b0ab2905ec478277f50ed3849b37a6c6bDavid Benjamin NULL 85d9e397b599b13d642138480a28c14db7a136bf0Adam Langley}; 86d9e397b599b13d642138480a28c14db7a136bf0Adam Langley 87d9e397b599b13d642138480a28c14db7a136bf0Adam LangleyASN1_SEQUENCE(BASIC_CONSTRAINTS) = { 884969cc9b0ab2905ec478277f50ed3849b37a6c6bDavid Benjamin ASN1_OPT(BASIC_CONSTRAINTS, ca, ASN1_FBOOLEAN), 894969cc9b0ab2905ec478277f50ed3849b37a6c6bDavid Benjamin ASN1_OPT(BASIC_CONSTRAINTS, pathlen, ASN1_INTEGER) 90d9e397b599b13d642138480a28c14db7a136bf0Adam Langley} ASN1_SEQUENCE_END(BASIC_CONSTRAINTS) 91d9e397b599b13d642138480a28c14db7a136bf0Adam Langley 92d9e397b599b13d642138480a28c14db7a136bf0Adam LangleyIMPLEMENT_ASN1_FUNCTIONS(BASIC_CONSTRAINTS) 93d9e397b599b13d642138480a28c14db7a136bf0Adam Langley 94d9e397b599b13d642138480a28c14db7a136bf0Adam Langleystatic STACK_OF(CONF_VALUE) *i2v_BASIC_CONSTRAINTS(X509V3_EXT_METHOD *method, 954969cc9b0ab2905ec478277f50ed3849b37a6c6bDavid Benjamin BASIC_CONSTRAINTS *bcons, 964969cc9b0ab2905ec478277f50ed3849b37a6c6bDavid Benjamin STACK_OF(CONF_VALUE) 974969cc9b0ab2905ec478277f50ed3849b37a6c6bDavid Benjamin *extlist) 98d9e397b599b13d642138480a28c14db7a136bf0Adam Langley{ 994969cc9b0ab2905ec478277f50ed3849b37a6c6bDavid Benjamin X509V3_add_value_bool("CA", bcons->ca, &extlist); 1004969cc9b0ab2905ec478277f50ed3849b37a6c6bDavid Benjamin X509V3_add_value_int("pathlen", bcons->pathlen, &extlist); 1014969cc9b0ab2905ec478277f50ed3849b37a6c6bDavid Benjamin return extlist; 102d9e397b599b13d642138480a28c14db7a136bf0Adam Langley} 103d9e397b599b13d642138480a28c14db7a136bf0Adam Langley 104d9e397b599b13d642138480a28c14db7a136bf0Adam Langleystatic BASIC_CONSTRAINTS *v2i_BASIC_CONSTRAINTS(X509V3_EXT_METHOD *method, 1054969cc9b0ab2905ec478277f50ed3849b37a6c6bDavid Benjamin X509V3_CTX *ctx, 1064969cc9b0ab2905ec478277f50ed3849b37a6c6bDavid Benjamin STACK_OF(CONF_VALUE) *values) 107d9e397b599b13d642138480a28c14db7a136bf0Adam Langley{ 1084969cc9b0ab2905ec478277f50ed3849b37a6c6bDavid Benjamin BASIC_CONSTRAINTS *bcons = NULL; 1094969cc9b0ab2905ec478277f50ed3849b37a6c6bDavid Benjamin CONF_VALUE *val; 1104969cc9b0ab2905ec478277f50ed3849b37a6c6bDavid Benjamin size_t i; 1114969cc9b0ab2905ec478277f50ed3849b37a6c6bDavid Benjamin if (!(bcons = BASIC_CONSTRAINTS_new())) { 1124969cc9b0ab2905ec478277f50ed3849b37a6c6bDavid Benjamin OPENSSL_PUT_ERROR(X509V3, ERR_R_MALLOC_FAILURE); 1134969cc9b0ab2905ec478277f50ed3849b37a6c6bDavid Benjamin return NULL; 1144969cc9b0ab2905ec478277f50ed3849b37a6c6bDavid Benjamin } 1154969cc9b0ab2905ec478277f50ed3849b37a6c6bDavid Benjamin for (i = 0; i < sk_CONF_VALUE_num(values); i++) { 1164969cc9b0ab2905ec478277f50ed3849b37a6c6bDavid Benjamin val = sk_CONF_VALUE_value(values, i); 1174969cc9b0ab2905ec478277f50ed3849b37a6c6bDavid Benjamin if (!strcmp(val->name, "CA")) { 1184969cc9b0ab2905ec478277f50ed3849b37a6c6bDavid Benjamin if (!X509V3_get_value_bool(val, &bcons->ca)) 1194969cc9b0ab2905ec478277f50ed3849b37a6c6bDavid Benjamin goto err; 1204969cc9b0ab2905ec478277f50ed3849b37a6c6bDavid Benjamin } else if (!strcmp(val->name, "pathlen")) { 1214969cc9b0ab2905ec478277f50ed3849b37a6c6bDavid Benjamin if (!X509V3_get_value_int(val, &bcons->pathlen)) 1224969cc9b0ab2905ec478277f50ed3849b37a6c6bDavid Benjamin goto err; 1234969cc9b0ab2905ec478277f50ed3849b37a6c6bDavid Benjamin } else { 1244969cc9b0ab2905ec478277f50ed3849b37a6c6bDavid Benjamin OPENSSL_PUT_ERROR(X509V3, X509V3_R_INVALID_NAME); 1254969cc9b0ab2905ec478277f50ed3849b37a6c6bDavid Benjamin X509V3_conf_err(val); 1264969cc9b0ab2905ec478277f50ed3849b37a6c6bDavid Benjamin goto err; 1274969cc9b0ab2905ec478277f50ed3849b37a6c6bDavid Benjamin } 1284969cc9b0ab2905ec478277f50ed3849b37a6c6bDavid Benjamin } 1294969cc9b0ab2905ec478277f50ed3849b37a6c6bDavid Benjamin return bcons; 1304969cc9b0ab2905ec478277f50ed3849b37a6c6bDavid Benjamin err: 1314969cc9b0ab2905ec478277f50ed3849b37a6c6bDavid Benjamin BASIC_CONSTRAINTS_free(bcons); 1324969cc9b0ab2905ec478277f50ed3849b37a6c6bDavid Benjamin return NULL; 133d9e397b599b13d642138480a28c14db7a136bf0Adam Langley} 134