1/* v3_bitst.c */ 2/* Written by Dr Stephen N Henson (shenson@bigfoot.com) for the OpenSSL 3 * project 1999. 4 */ 5/* ==================================================================== 6 * Copyright (c) 1999 The OpenSSL Project. All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in 17 * the documentation and/or other materials provided with the 18 * distribution. 19 * 20 * 3. All advertising materials mentioning features or use of this 21 * software must display the following acknowledgment: 22 * "This product includes software developed by the OpenSSL Project 23 * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)" 24 * 25 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to 26 * endorse or promote products derived from this software without 27 * prior written permission. For written permission, please contact 28 * licensing@OpenSSL.org. 29 * 30 * 5. Products derived from this software may not be called "OpenSSL" 31 * nor may "OpenSSL" appear in their names without prior written 32 * permission of the OpenSSL Project. 33 * 34 * 6. Redistributions of any form whatsoever must retain the following 35 * acknowledgment: 36 * "This product includes software developed by the OpenSSL Project 37 * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)" 38 * 39 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY 40 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 41 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 42 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR 43 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 44 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 45 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 46 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 47 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 48 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 49 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED 50 * OF THE POSSIBILITY OF SUCH DAMAGE. 51 * ==================================================================== 52 * 53 * This product includes cryptographic software written by Eric Young 54 * (eay@cryptsoft.com). This product includes software written by Tim 55 * Hudson (tjh@cryptsoft.com). 56 * 57 */ 58 59#include <stdio.h> 60#include "cryptlib.h" 61#include <openssl/conf.h> 62#include <openssl/x509v3.h> 63 64static ASN1_BIT_STRING *v2i_ASN1_BIT_STRING(X509V3_EXT_METHOD *method, 65 X509V3_CTX *ctx, STACK_OF(CONF_VALUE) *nval); 66static STACK_OF(CONF_VALUE) *i2v_ASN1_BIT_STRING(X509V3_EXT_METHOD *method, 67 ASN1_BIT_STRING *bits, 68 STACK_OF(CONF_VALUE) *extlist); 69 70static BIT_STRING_BITNAME ns_cert_type_table[] = { 71{0, "SSL Client", "client"}, 72{1, "SSL Server", "server"}, 73{2, "S/MIME", "email"}, 74{3, "Object Signing", "objsign"}, 75{4, "Unused", "reserved"}, 76{5, "SSL CA", "sslCA"}, 77{6, "S/MIME CA", "emailCA"}, 78{7, "Object Signing CA", "objCA"}, 79{-1, NULL, NULL} 80}; 81 82static BIT_STRING_BITNAME key_usage_type_table[] = { 83{0, "Digital Signature", "digitalSignature"}, 84{1, "Non Repudiation", "nonRepudiation"}, 85{2, "Key Encipherment", "keyEncipherment"}, 86{3, "Data Encipherment", "dataEncipherment"}, 87{4, "Key Agreement", "keyAgreement"}, 88{5, "Certificate Sign", "keyCertSign"}, 89{6, "CRL Sign", "cRLSign"}, 90{7, "Encipher Only", "encipherOnly"}, 91{8, "Decipher Only", "decipherOnly"}, 92{-1, NULL, NULL} 93}; 94 95 96 97X509V3_EXT_METHOD v3_nscert = EXT_BITSTRING(NID_netscape_cert_type, ns_cert_type_table); 98X509V3_EXT_METHOD v3_key_usage = EXT_BITSTRING(NID_key_usage, key_usage_type_table); 99 100static STACK_OF(CONF_VALUE) *i2v_ASN1_BIT_STRING(X509V3_EXT_METHOD *method, 101 ASN1_BIT_STRING *bits, STACK_OF(CONF_VALUE) *ret) 102{ 103 BIT_STRING_BITNAME *bnam; 104 for(bnam =method->usr_data; bnam->lname; bnam++) { 105 if(ASN1_BIT_STRING_get_bit(bits, bnam->bitnum)) 106 X509V3_add_value(bnam->lname, NULL, &ret); 107 } 108 return ret; 109} 110 111static ASN1_BIT_STRING *v2i_ASN1_BIT_STRING(X509V3_EXT_METHOD *method, 112 X509V3_CTX *ctx, STACK_OF(CONF_VALUE) *nval) 113{ 114 CONF_VALUE *val; 115 ASN1_BIT_STRING *bs; 116 int i; 117 BIT_STRING_BITNAME *bnam; 118 if(!(bs = M_ASN1_BIT_STRING_new())) { 119 X509V3err(X509V3_F_V2I_ASN1_BIT_STRING,ERR_R_MALLOC_FAILURE); 120 return NULL; 121 } 122 for(i = 0; i < sk_CONF_VALUE_num(nval); i++) { 123 val = sk_CONF_VALUE_value(nval, i); 124 for(bnam = method->usr_data; bnam->lname; bnam++) { 125 if(!strcmp(bnam->sname, val->name) || 126 !strcmp(bnam->lname, val->name) ) { 127 if(!ASN1_BIT_STRING_set_bit(bs, bnam->bitnum, 1)) { 128 X509V3err(X509V3_F_V2I_ASN1_BIT_STRING, 129 ERR_R_MALLOC_FAILURE); 130 M_ASN1_BIT_STRING_free(bs); 131 return NULL; 132 } 133 break; 134 } 135 } 136 if(!bnam->lname) { 137 X509V3err(X509V3_F_V2I_ASN1_BIT_STRING, 138 X509V3_R_UNKNOWN_BIT_STRING_ARGUMENT); 139 X509V3_conf_err(val); 140 M_ASN1_BIT_STRING_free(bs); 141 return NULL; 142 } 143 } 144 return bs; 145} 146 147 148