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      1 /* v3_info.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  */
     58 
     59 #include <stdio.h>
     60 #include "cryptlib.h"
     61 #include <openssl/conf.h>
     62 #include <openssl/asn1.h>
     63 #include <openssl/asn1t.h>
     64 #include <openssl/x509v3.h>
     65 
     66 static STACK_OF(CONF_VALUE) *i2v_AUTHORITY_INFO_ACCESS(X509V3_EXT_METHOD *method,
     67 				AUTHORITY_INFO_ACCESS *ainfo,
     68 						STACK_OF(CONF_VALUE) *ret);
     69 static AUTHORITY_INFO_ACCESS *v2i_AUTHORITY_INFO_ACCESS(X509V3_EXT_METHOD *method,
     70 				 X509V3_CTX *ctx, STACK_OF(CONF_VALUE) *nval);
     71 
     72 const X509V3_EXT_METHOD v3_info =
     73 { NID_info_access, X509V3_EXT_MULTILINE, ASN1_ITEM_ref(AUTHORITY_INFO_ACCESS),
     74 0,0,0,0,
     75 0,0,
     76 (X509V3_EXT_I2V)i2v_AUTHORITY_INFO_ACCESS,
     77 (X509V3_EXT_V2I)v2i_AUTHORITY_INFO_ACCESS,
     78 0,0,
     79 NULL};
     80 
     81 const X509V3_EXT_METHOD v3_sinfo =
     82 { NID_sinfo_access, X509V3_EXT_MULTILINE, ASN1_ITEM_ref(AUTHORITY_INFO_ACCESS),
     83 0,0,0,0,
     84 0,0,
     85 (X509V3_EXT_I2V)i2v_AUTHORITY_INFO_ACCESS,
     86 (X509V3_EXT_V2I)v2i_AUTHORITY_INFO_ACCESS,
     87 0,0,
     88 NULL};
     89 
     90 ASN1_SEQUENCE(ACCESS_DESCRIPTION) = {
     91 	ASN1_SIMPLE(ACCESS_DESCRIPTION, method, ASN1_OBJECT),
     92 	ASN1_SIMPLE(ACCESS_DESCRIPTION, location, GENERAL_NAME)
     93 } ASN1_SEQUENCE_END(ACCESS_DESCRIPTION)
     94 
     95 IMPLEMENT_ASN1_FUNCTIONS(ACCESS_DESCRIPTION)
     96 
     97 ASN1_ITEM_TEMPLATE(AUTHORITY_INFO_ACCESS) =
     98 	ASN1_EX_TEMPLATE_TYPE(ASN1_TFLG_SEQUENCE_OF, 0, GeneralNames, ACCESS_DESCRIPTION)
     99 ASN1_ITEM_TEMPLATE_END(AUTHORITY_INFO_ACCESS)
    100 
    101 IMPLEMENT_ASN1_FUNCTIONS(AUTHORITY_INFO_ACCESS)
    102 
    103 static STACK_OF(CONF_VALUE) *i2v_AUTHORITY_INFO_ACCESS(X509V3_EXT_METHOD *method,
    104 				AUTHORITY_INFO_ACCESS *ainfo,
    105 						STACK_OF(CONF_VALUE) *ret)
    106 {
    107 	ACCESS_DESCRIPTION *desc;
    108 	int i,nlen;
    109 	char objtmp[80], *ntmp;
    110 	CONF_VALUE *vtmp;
    111 	for(i = 0; i < sk_ACCESS_DESCRIPTION_num(ainfo); i++) {
    112 		desc = sk_ACCESS_DESCRIPTION_value(ainfo, i);
    113 		ret = i2v_GENERAL_NAME(method, desc->location, ret);
    114 		if(!ret) break;
    115 		vtmp = sk_CONF_VALUE_value(ret, i);
    116 		i2t_ASN1_OBJECT(objtmp, sizeof objtmp, desc->method);
    117 		nlen = strlen(objtmp) + strlen(vtmp->name) + 5;
    118 		ntmp = OPENSSL_malloc(nlen);
    119 		if(!ntmp) {
    120 			X509V3err(X509V3_F_I2V_AUTHORITY_INFO_ACCESS,
    121 					ERR_R_MALLOC_FAILURE);
    122 			return NULL;
    123 		}
    124 		BUF_strlcpy(ntmp, objtmp, nlen);
    125 		BUF_strlcat(ntmp, " - ", nlen);
    126 		BUF_strlcat(ntmp, vtmp->name, nlen);
    127 		OPENSSL_free(vtmp->name);
    128 		vtmp->name = ntmp;
    129 
    130 	}
    131 	if(!ret) return sk_CONF_VALUE_new_null();
    132 	return ret;
    133 }
    134 
    135 static AUTHORITY_INFO_ACCESS *v2i_AUTHORITY_INFO_ACCESS(X509V3_EXT_METHOD *method,
    136 				 X509V3_CTX *ctx, STACK_OF(CONF_VALUE) *nval)
    137 {
    138 	AUTHORITY_INFO_ACCESS *ainfo = NULL;
    139 	CONF_VALUE *cnf, ctmp;
    140 	ACCESS_DESCRIPTION *acc;
    141 	int i, objlen;
    142 	char *objtmp, *ptmp;
    143 	if(!(ainfo = sk_ACCESS_DESCRIPTION_new_null())) {
    144 		X509V3err(X509V3_F_V2I_AUTHORITY_INFO_ACCESS,ERR_R_MALLOC_FAILURE);
    145 		return NULL;
    146 	}
    147 	for(i = 0; i < sk_CONF_VALUE_num(nval); i++) {
    148 		cnf = sk_CONF_VALUE_value(nval, i);
    149 		if(!(acc = ACCESS_DESCRIPTION_new())
    150 			|| !sk_ACCESS_DESCRIPTION_push(ainfo, acc)) {
    151 			X509V3err(X509V3_F_V2I_AUTHORITY_INFO_ACCESS,ERR_R_MALLOC_FAILURE);
    152 			goto err;
    153 		}
    154 		ptmp = strchr(cnf->name, ';');
    155 		if(!ptmp) {
    156 			X509V3err(X509V3_F_V2I_AUTHORITY_INFO_ACCESS,X509V3_R_INVALID_SYNTAX);
    157 			goto err;
    158 		}
    159 		objlen = ptmp - cnf->name;
    160 		ctmp.name = ptmp + 1;
    161 		ctmp.value = cnf->value;
    162 		if(!v2i_GENERAL_NAME_ex(acc->location, method, ctx, &ctmp, 0))
    163 								 goto err;
    164 		if(!(objtmp = OPENSSL_malloc(objlen + 1))) {
    165 			X509V3err(X509V3_F_V2I_AUTHORITY_INFO_ACCESS,ERR_R_MALLOC_FAILURE);
    166 			goto err;
    167 		}
    168 		strncpy(objtmp, cnf->name, objlen);
    169 		objtmp[objlen] = 0;
    170 		acc->method = OBJ_txt2obj(objtmp, 0);
    171 		if(!acc->method) {
    172 			X509V3err(X509V3_F_V2I_AUTHORITY_INFO_ACCESS,X509V3_R_BAD_OBJECT);
    173 			ERR_add_error_data(2, "value=", objtmp);
    174 			OPENSSL_free(objtmp);
    175 			goto err;
    176 		}
    177 		OPENSSL_free(objtmp);
    178 
    179 	}
    180 	return ainfo;
    181 	err:
    182 	sk_ACCESS_DESCRIPTION_pop_free(ainfo, ACCESS_DESCRIPTION_free);
    183 	return NULL;
    184 }
    185 
    186 int i2a_ACCESS_DESCRIPTION(BIO *bp, ACCESS_DESCRIPTION* a)
    187         {
    188 	i2a_ASN1_OBJECT(bp, a->method);
    189 #ifdef UNDEF
    190 	i2a_GENERAL_NAME(bp, a->location);
    191 #endif
    192 	return 2;
    193 	}
    194