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1 /* v3_info.c */
2 /* Written by Dr Stephen N Henson (steve@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@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 
61 #include <openssl/asn1.h>
62 #include <openssl/asn1t.h>
63 #include <openssl/buf.h>
64 #include <openssl/conf.h>
65 #include <openssl/err.h>
66 #include <openssl/mem.h>
67 #include <openssl/obj.h>
68 #include <openssl/x509v3.h>
69 
70 
71 static STACK_OF(CONF_VALUE) *i2v_AUTHORITY_INFO_ACCESS(X509V3_EXT_METHOD *method,
72 				AUTHORITY_INFO_ACCESS *ainfo,
73 						STACK_OF(CONF_VALUE) *ret);
74 static AUTHORITY_INFO_ACCESS *v2i_AUTHORITY_INFO_ACCESS(X509V3_EXT_METHOD *method,
75 				 X509V3_CTX *ctx, STACK_OF(CONF_VALUE) *nval);
76 
77 const X509V3_EXT_METHOD v3_info =
78 { NID_info_access, X509V3_EXT_MULTILINE, ASN1_ITEM_ref(AUTHORITY_INFO_ACCESS),
79 0,0,0,0,
80 0,0,
81 (X509V3_EXT_I2V)i2v_AUTHORITY_INFO_ACCESS,
82 (X509V3_EXT_V2I)v2i_AUTHORITY_INFO_ACCESS,
83 0,0,
84 NULL};
85 
86 const X509V3_EXT_METHOD v3_sinfo =
87 { NID_sinfo_access, X509V3_EXT_MULTILINE, ASN1_ITEM_ref(AUTHORITY_INFO_ACCESS),
88 0,0,0,0,
89 0,0,
90 (X509V3_EXT_I2V)i2v_AUTHORITY_INFO_ACCESS,
91 (X509V3_EXT_V2I)v2i_AUTHORITY_INFO_ACCESS,
92 0,0,
93 NULL};
94 
95 ASN1_SEQUENCE(ACCESS_DESCRIPTION) = {
96 	ASN1_SIMPLE(ACCESS_DESCRIPTION, method, ASN1_OBJECT),
97 	ASN1_SIMPLE(ACCESS_DESCRIPTION, location, GENERAL_NAME)
98 } ASN1_SEQUENCE_END(ACCESS_DESCRIPTION)
99 
100 IMPLEMENT_ASN1_FUNCTIONS(ACCESS_DESCRIPTION)
101 
102 ASN1_ITEM_TEMPLATE(AUTHORITY_INFO_ACCESS) =
103 	ASN1_EX_TEMPLATE_TYPE(ASN1_TFLG_SEQUENCE_OF, 0, GeneralNames, ACCESS_DESCRIPTION)
104 ASN1_ITEM_TEMPLATE_END(AUTHORITY_INFO_ACCESS)
105 
106 IMPLEMENT_ASN1_FUNCTIONS(AUTHORITY_INFO_ACCESS)
107 
108 static STACK_OF(CONF_VALUE) *i2v_AUTHORITY_INFO_ACCESS(X509V3_EXT_METHOD *method,
109 				AUTHORITY_INFO_ACCESS *ainfo,
110 						STACK_OF(CONF_VALUE) *ret)
111 {
112 	ACCESS_DESCRIPTION *desc;
113 	size_t i;
114 	int nlen;
115 	char objtmp[80], *ntmp;
116 	CONF_VALUE *vtmp;
117 	for(i = 0; i < sk_ACCESS_DESCRIPTION_num(ainfo); i++) {
118 		desc = sk_ACCESS_DESCRIPTION_value(ainfo, i);
119 		ret = i2v_GENERAL_NAME(method, desc->location, ret);
120 		if(!ret) break;
121 		vtmp = sk_CONF_VALUE_value(ret, i);
122 		i2t_ASN1_OBJECT(objtmp, sizeof objtmp, desc->method);
123 		nlen = strlen(objtmp) + strlen(vtmp->name) + 5;
124 		ntmp = OPENSSL_malloc(nlen);
125 		if(!ntmp) {
126 			OPENSSL_PUT_ERROR(X509V3, i2v_AUTHORITY_INFO_ACCESS, ERR_R_MALLOC_FAILURE);
127 			return NULL;
128 		}
129 		BUF_strlcpy(ntmp, objtmp, nlen);
130 		BUF_strlcat(ntmp, " - ", nlen);
131 		BUF_strlcat(ntmp, vtmp->name, nlen);
132 		OPENSSL_free(vtmp->name);
133 		vtmp->name = ntmp;
134 
135 	}
136 	if(!ret) return sk_CONF_VALUE_new_null();
137 	return ret;
138 }
139 
v2i_AUTHORITY_INFO_ACCESS(X509V3_EXT_METHOD * method,X509V3_CTX * ctx,STACK_OF (CONF_VALUE)* nval)140 static AUTHORITY_INFO_ACCESS *v2i_AUTHORITY_INFO_ACCESS(X509V3_EXT_METHOD *method,
141 				 X509V3_CTX *ctx, STACK_OF(CONF_VALUE) *nval)
142 {
143 	AUTHORITY_INFO_ACCESS *ainfo = NULL;
144 	CONF_VALUE *cnf, ctmp;
145 	ACCESS_DESCRIPTION *acc;
146 	size_t i;
147 	int objlen;
148 	char *objtmp, *ptmp;
149 	if(!(ainfo = sk_ACCESS_DESCRIPTION_new_null())) {
150 		OPENSSL_PUT_ERROR(X509V3, v2i_AUTHORITY_INFO_ACCESS, ERR_R_MALLOC_FAILURE);
151 		return NULL;
152 	}
153 	for(i = 0; i < sk_CONF_VALUE_num(nval); i++) {
154 		cnf = sk_CONF_VALUE_value(nval, i);
155 		if(!(acc = ACCESS_DESCRIPTION_new())
156 			|| !sk_ACCESS_DESCRIPTION_push(ainfo, acc)) {
157 			OPENSSL_PUT_ERROR(X509V3, v2i_AUTHORITY_INFO_ACCESS, ERR_R_MALLOC_FAILURE);
158 			goto err;
159 		}
160 		ptmp = strchr(cnf->name, ';');
161 		if(!ptmp) {
162 			OPENSSL_PUT_ERROR(X509V3, v2i_AUTHORITY_INFO_ACCESS, X509V3_R_INVALID_SYNTAX);
163 			goto err;
164 		}
165 		objlen = ptmp - cnf->name;
166 		ctmp.name = ptmp + 1;
167 		ctmp.value = cnf->value;
168 		if(!v2i_GENERAL_NAME_ex(acc->location, method, ctx, &ctmp, 0))
169 								 goto err;
170 		if(!(objtmp = OPENSSL_malloc(objlen + 1))) {
171 			OPENSSL_PUT_ERROR(X509V3, v2i_AUTHORITY_INFO_ACCESS, ERR_R_MALLOC_FAILURE);
172 			goto err;
173 		}
174 		strncpy(objtmp, cnf->name, objlen);
175 		objtmp[objlen] = 0;
176 		acc->method = OBJ_txt2obj(objtmp, 0);
177 		if(!acc->method) {
178 			OPENSSL_PUT_ERROR(X509V3, v2i_AUTHORITY_INFO_ACCESS, X509V3_R_BAD_OBJECT);
179 			ERR_add_error_data(2, "value=", objtmp);
180 			OPENSSL_free(objtmp);
181 			goto err;
182 		}
183 		OPENSSL_free(objtmp);
184 
185 	}
186 	return ainfo;
187 	err:
188 	sk_ACCESS_DESCRIPTION_pop_free(ainfo, ACCESS_DESCRIPTION_free);
189 	return NULL;
190 }
191 
i2a_ACCESS_DESCRIPTION(BIO * bp,ACCESS_DESCRIPTION * a)192 int i2a_ACCESS_DESCRIPTION(BIO *bp, ACCESS_DESCRIPTION* a)
193         {
194 	i2a_ASN1_OBJECT(bp, a->method);
195 #ifdef UNDEF
196 	i2a_GENERAL_NAME(bp, a->location);
197 #endif
198 	return 2;
199 	}
200