v3_bitst.c revision 59191
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); 69static BIT_STRING_BITNAME ns_cert_type_table[] = { 70{0, "SSL Client", "client"}, 71{1, "SSL Server", "server"}, 72{2, "S/MIME", "email"}, 73{3, "Object Signing", "objsign"}, 74{4, "Unused", "reserved"}, 75{5, "SSL CA", "sslCA"}, 76{6, "S/MIME CA", "emailCA"}, 77{7, "Object Signing CA", "objCA"}, 78{-1, NULL, NULL} 79}; 80 81static BIT_STRING_BITNAME key_usage_type_table[] = { 82{0, "Digital Signature", "digitalSignature"}, 83{1, "Non Repudiation", "nonRepudiation"}, 84{2, "Key Encipherment", "keyEncipherment"}, 85{3, "Data Encipherment", "dataEncipherment"}, 86{4, "Key Agreement", "keyAgreement"}, 87{5, "Certificate Sign", "keyCertSign"}, 88{6, "CRL Sign", "cRLSign"}, 89{7, "Encipher Only", "encipherOnly"}, 90{8, "Decipher Only", "decipherOnly"}, 91{-1, NULL, NULL} 92}; 93 94 95 96X509V3_EXT_METHOD v3_nscert = EXT_BITSTRING(NID_netscape_cert_type, ns_cert_type_table); 97X509V3_EXT_METHOD v3_key_usage = EXT_BITSTRING(NID_key_usage, key_usage_type_table); 98 99static STACK_OF(CONF_VALUE) *i2v_ASN1_BIT_STRING(X509V3_EXT_METHOD *method, 100 ASN1_BIT_STRING *bits, STACK_OF(CONF_VALUE) *ret) 101{ 102 BIT_STRING_BITNAME *bnam; 103 for(bnam =method->usr_data; bnam->lname; bnam++) { 104 if(ASN1_BIT_STRING_get_bit(bits, bnam->bitnum)) 105 X509V3_add_value(bnam->lname, NULL, &ret); 106 } 107 return ret; 108} 109 110static ASN1_BIT_STRING *v2i_ASN1_BIT_STRING(X509V3_EXT_METHOD *method, 111 X509V3_CTX *ctx, STACK_OF(CONF_VALUE) *nval) 112{ 113 CONF_VALUE *val; 114 ASN1_BIT_STRING *bs; 115 int i; 116 BIT_STRING_BITNAME *bnam; 117 if(!(bs = M_ASN1_BIT_STRING_new())) { 118 X509V3err(X509V3_F_V2I_ASN1_BIT_STRING,ERR_R_MALLOC_FAILURE); 119 return NULL; 120 } 121 for(i = 0; i < sk_CONF_VALUE_num(nval); i++) { 122 val = sk_CONF_VALUE_value(nval, i); 123 for(bnam = method->usr_data; bnam->lname; bnam++) { 124 if(!strcmp(bnam->sname, val->name) || 125 !strcmp(bnam->lname, val->name) ) { 126 ASN1_BIT_STRING_set_bit(bs, bnam->bitnum, 1); 127 break; 128 } 129 } 130 if(!bnam->lname) { 131 X509V3err(X509V3_F_V2I_ASN1_BIT_STRING, 132 X509V3_R_UNKNOWN_BIT_STRING_ARGUMENT); 133 X509V3_conf_err(val); 134 M_ASN1_BIT_STRING_free(bs); 135 return NULL; 136 } 137 } 138 return bs; 139} 140 141 142