1 /* v3_pmaps.c */
2 /* Written by Dr Stephen N Henson (steve@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@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 #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 
v2i_POLICY_MAPPINGS(const X509V3_EXT_METHOD * method,X509V3_CTX * ctx,STACK_OF (CONF_VALUE)* nval)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, v2i_POLICY_MAPPINGS, 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, v2i_POLICY_MAPPINGS, 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, v2i_POLICY_MAPPINGS, 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, v2i_POLICY_MAPPINGS, 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