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      1 /* v3_bitst.c */
      2 /* Written by Dr Stephen N Henson (steve (at) openssl.org) 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 (at) 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 (at) cryptsoft.com).  This product includes software written by Tim
     55  * Hudson (tjh (at) cryptsoft.com). */
     56 
     57 #include <stdio.h>
     58 
     59 #include <openssl/conf.h>
     60 #include <openssl/err.h>
     61 #include <openssl/obj.h>
     62 #include <openssl/x509v3.h>
     63 
     64 
     65 static BIT_STRING_BITNAME ns_cert_type_table[] = {
     66 {0, "SSL Client", "client"},
     67 {1, "SSL Server", "server"},
     68 {2, "S/MIME", "email"},
     69 {3, "Object Signing", "objsign"},
     70 {4, "Unused", "reserved"},
     71 {5, "SSL CA", "sslCA"},
     72 {6, "S/MIME CA", "emailCA"},
     73 {7, "Object Signing CA", "objCA"},
     74 {-1, NULL, NULL}
     75 };
     76 
     77 static BIT_STRING_BITNAME key_usage_type_table[] = {
     78 {0, "Digital Signature", "digitalSignature"},
     79 {1, "Non Repudiation", "nonRepudiation"},
     80 {2, "Key Encipherment", "keyEncipherment"},
     81 {3, "Data Encipherment", "dataEncipherment"},
     82 {4, "Key Agreement", "keyAgreement"},
     83 {5, "Certificate Sign", "keyCertSign"},
     84 {6, "CRL Sign", "cRLSign"},
     85 {7, "Encipher Only", "encipherOnly"},
     86 {8, "Decipher Only", "decipherOnly"},
     87 {-1, NULL, NULL}
     88 };
     89 
     90 
     91 
     92 const X509V3_EXT_METHOD v3_nscert = EXT_BITSTRING(NID_netscape_cert_type, ns_cert_type_table);
     93 const X509V3_EXT_METHOD v3_key_usage = EXT_BITSTRING(NID_key_usage, key_usage_type_table);
     94 
     95 STACK_OF(CONF_VALUE) *i2v_ASN1_BIT_STRING(X509V3_EXT_METHOD *method,
     96 	     ASN1_BIT_STRING *bits, STACK_OF(CONF_VALUE) *ret)
     97 {
     98 	BIT_STRING_BITNAME *bnam;
     99 	for(bnam =method->usr_data; bnam->lname; bnam++) {
    100 		if(ASN1_BIT_STRING_get_bit(bits, bnam->bitnum))
    101 			X509V3_add_value(bnam->lname, NULL, &ret);
    102 	}
    103 	return ret;
    104 }
    105 
    106 ASN1_BIT_STRING *v2i_ASN1_BIT_STRING(X509V3_EXT_METHOD *method,
    107 	     X509V3_CTX *ctx, STACK_OF(CONF_VALUE) *nval)
    108 {
    109 	CONF_VALUE *val;
    110 	ASN1_BIT_STRING *bs;
    111 	size_t i;
    112 	BIT_STRING_BITNAME *bnam;
    113 	if(!(bs = M_ASN1_BIT_STRING_new())) {
    114 		OPENSSL_PUT_ERROR(X509V3, v2i_ASN1_BIT_STRING, ERR_R_MALLOC_FAILURE);
    115 		return NULL;
    116 	}
    117 	for(i = 0; i < sk_CONF_VALUE_num(nval); i++) {
    118 		val = sk_CONF_VALUE_value(nval, i);
    119 		for(bnam = method->usr_data; bnam->lname; bnam++) {
    120 			if(!strcmp(bnam->sname, val->name) ||
    121 				!strcmp(bnam->lname, val->name) ) {
    122 				if(!ASN1_BIT_STRING_set_bit(bs, bnam->bitnum, 1)) {
    123 					OPENSSL_PUT_ERROR(X509V3, v2i_ASN1_BIT_STRING, ERR_R_MALLOC_FAILURE);
    124 					M_ASN1_BIT_STRING_free(bs);
    125 					return NULL;
    126 				}
    127 				break;
    128 			}
    129 		}
    130 		if(!bnam->lname) {
    131 			OPENSSL_PUT_ERROR(X509V3, v2i_ASN1_BIT_STRING, X509V3_R_UNKNOWN_BIT_STRING_ARGUMENT);
    132 			X509V3_conf_err(val);
    133 			M_ASN1_BIT_STRING_free(bs);
    134 			return NULL;
    135 		}
    136 	}
    137 	return bs;
    138 }
    139 
    140 
    141