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      1 /* v3_pmaps.c */
      2 /* Written by Dr Stephen N Henson (steve (at) openssl.org) for the OpenSSL
      3  * project.
      4  */
      5 /* ====================================================================
      6  * Copyright (c) 2003 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 #include <stdio.h>
     59 
     60 #include <openssl/asn1t.h>
     61 #include <openssl/conf.h>
     62 #include <openssl/err.h>
     63 #include <openssl/obj.h>
     64 #include <openssl/x509v3.h>
     65 
     66 
     67 static void *v2i_POLICY_MAPPINGS(const X509V3_EXT_METHOD *method,
     68 				 X509V3_CTX *ctx, STACK_OF(CONF_VALUE) *nval);
     69 static STACK_OF(CONF_VALUE) *
     70 i2v_POLICY_MAPPINGS(const X509V3_EXT_METHOD *method, void *pmps,
     71 		    STACK_OF(CONF_VALUE) *extlist);
     72 
     73 const X509V3_EXT_METHOD v3_policy_mappings = {
     74 	NID_policy_mappings, 0,
     75 	ASN1_ITEM_ref(POLICY_MAPPINGS),
     76 	0,0,0,0,
     77 	0,0,
     78 	i2v_POLICY_MAPPINGS,
     79 	v2i_POLICY_MAPPINGS,
     80 	0,0,
     81 	NULL
     82 };
     83 
     84 ASN1_SEQUENCE(POLICY_MAPPING) = {
     85 	ASN1_SIMPLE(POLICY_MAPPING, issuerDomainPolicy, ASN1_OBJECT),
     86 	ASN1_SIMPLE(POLICY_MAPPING, subjectDomainPolicy, ASN1_OBJECT)
     87 } ASN1_SEQUENCE_END(POLICY_MAPPING)
     88 
     89 ASN1_ITEM_TEMPLATE(POLICY_MAPPINGS) =
     90 	ASN1_EX_TEMPLATE_TYPE(ASN1_TFLG_SEQUENCE_OF, 0, POLICY_MAPPINGS,
     91 								POLICY_MAPPING)
     92 ASN1_ITEM_TEMPLATE_END(POLICY_MAPPINGS)
     93 
     94 IMPLEMENT_ASN1_ALLOC_FUNCTIONS(POLICY_MAPPING)
     95 
     96 
     97 static STACK_OF(CONF_VALUE) *
     98 i2v_POLICY_MAPPINGS(const X509V3_EXT_METHOD *method, void *a,
     99 		    STACK_OF(CONF_VALUE) *ext_list)
    100 {
    101 	POLICY_MAPPINGS *pmaps = a;
    102 	POLICY_MAPPING *pmap;
    103 	size_t i;
    104 	char obj_tmp1[80];
    105 	char obj_tmp2[80];
    106 	for(i = 0; i < sk_POLICY_MAPPING_num(pmaps); i++) {
    107 		pmap = sk_POLICY_MAPPING_value(pmaps, i);
    108 		i2t_ASN1_OBJECT(obj_tmp1, 80, pmap->issuerDomainPolicy);
    109 		i2t_ASN1_OBJECT(obj_tmp2, 80, pmap->subjectDomainPolicy);
    110 		X509V3_add_value(obj_tmp1, obj_tmp2, &ext_list);
    111 	}
    112 	return ext_list;
    113 }
    114 
    115 static void *v2i_POLICY_MAPPINGS(const X509V3_EXT_METHOD *method,
    116 				 X509V3_CTX *ctx, STACK_OF(CONF_VALUE) *nval)
    117 {
    118 	POLICY_MAPPINGS *pmaps;
    119 	POLICY_MAPPING *pmap;
    120 	ASN1_OBJECT *obj1, *obj2;
    121 	CONF_VALUE *val;
    122 	size_t i;
    123 
    124 	if(!(pmaps = sk_POLICY_MAPPING_new_null())) {
    125 		OPENSSL_PUT_ERROR(X509V3, ERR_R_MALLOC_FAILURE);
    126 		return NULL;
    127 	}
    128 
    129 	for(i = 0; i < sk_CONF_VALUE_num(nval); i++) {
    130 		val = sk_CONF_VALUE_value(nval, i);
    131 		if(!val->value || !val->name) {
    132 			sk_POLICY_MAPPING_pop_free(pmaps, POLICY_MAPPING_free);
    133 			OPENSSL_PUT_ERROR(X509V3, X509V3_R_INVALID_OBJECT_IDENTIFIER);
    134 			X509V3_conf_err(val);
    135 			return NULL;
    136 		}
    137 		obj1 = OBJ_txt2obj(val->name, 0);
    138 		obj2 = OBJ_txt2obj(val->value, 0);
    139 		if(!obj1 || !obj2) {
    140 			sk_POLICY_MAPPING_pop_free(pmaps, POLICY_MAPPING_free);
    141 			OPENSSL_PUT_ERROR(X509V3, X509V3_R_INVALID_OBJECT_IDENTIFIER);
    142 			X509V3_conf_err(val);
    143 			return NULL;
    144 		}
    145 		pmap = POLICY_MAPPING_new();
    146 		if (!pmap) {
    147 			sk_POLICY_MAPPING_pop_free(pmaps, POLICY_MAPPING_free);
    148 			OPENSSL_PUT_ERROR(X509V3, ERR_R_MALLOC_FAILURE);
    149 			return NULL;
    150 		}
    151 		pmap->issuerDomainPolicy = obj1;
    152 		pmap->subjectDomainPolicy = obj2;
    153 		sk_POLICY_MAPPING_push(pmaps, pmap);
    154 	}
    155 	return pmaps;
    156 }
    157