1 /*
2 * Copyright 1999-2021 The OpenSSL Project Authors. All Rights Reserved.
3 *
4 * Licensed under the Apache License 2.0 (the "License"). You may not use
5 * this file except in compliance with the License. You can obtain a copy
6 * in the file LICENSE in the source distribution or at
7 * https://www.openssl.org/source/license.html
8 */
9
10 #include <stdio.h>
11 #include "internal/cryptlib.h"
12 #include <openssl/conf.h>
13 #include <openssl/asn1.h>
14 #include <openssl/asn1t.h>
15 #include <openssl/x509v3.h>
16 #include "ext_dat.h"
17
18 static STACK_OF(CONF_VALUE) *i2v_AUTHORITY_INFO_ACCESS(X509V3_EXT_METHOD
19 *method, AUTHORITY_INFO_ACCESS
20 *ainfo, STACK_OF(CONF_VALUE)
21 *ret);
22 static AUTHORITY_INFO_ACCESS *v2i_AUTHORITY_INFO_ACCESS(X509V3_EXT_METHOD
23 *method,
24 X509V3_CTX *ctx,
25 STACK_OF(CONF_VALUE)
26 *nval);
27
28 const X509V3_EXT_METHOD ossl_v3_info = { NID_info_access, X509V3_EXT_MULTILINE,
29 ASN1_ITEM_ref(AUTHORITY_INFO_ACCESS),
30 0, 0, 0, 0,
31 0, 0,
32 (X509V3_EXT_I2V) i2v_AUTHORITY_INFO_ACCESS,
33 (X509V3_EXT_V2I)v2i_AUTHORITY_INFO_ACCESS,
34 0, 0,
35 NULL
36 };
37
38 const X509V3_EXT_METHOD ossl_v3_sinfo = { NID_sinfo_access, X509V3_EXT_MULTILINE,
39 ASN1_ITEM_ref(AUTHORITY_INFO_ACCESS),
40 0, 0, 0, 0,
41 0, 0,
42 (X509V3_EXT_I2V) i2v_AUTHORITY_INFO_ACCESS,
43 (X509V3_EXT_V2I)v2i_AUTHORITY_INFO_ACCESS,
44 0, 0,
45 NULL
46 };
47
48 ASN1_SEQUENCE(ACCESS_DESCRIPTION) = {
49 ASN1_SIMPLE(ACCESS_DESCRIPTION, method, ASN1_OBJECT),
50 ASN1_SIMPLE(ACCESS_DESCRIPTION, location, GENERAL_NAME)
51 } ASN1_SEQUENCE_END(ACCESS_DESCRIPTION)
52
53 IMPLEMENT_ASN1_FUNCTIONS(ACCESS_DESCRIPTION)
54
55 ASN1_ITEM_TEMPLATE(AUTHORITY_INFO_ACCESS) =
56 ASN1_EX_TEMPLATE_TYPE(ASN1_TFLG_SEQUENCE_OF, 0, GeneralNames, ACCESS_DESCRIPTION)
57 ASN1_ITEM_TEMPLATE_END(AUTHORITY_INFO_ACCESS)
58
59 IMPLEMENT_ASN1_FUNCTIONS(AUTHORITY_INFO_ACCESS)
60
61 static STACK_OF(CONF_VALUE) *i2v_AUTHORITY_INFO_ACCESS(
62 X509V3_EXT_METHOD *method, AUTHORITY_INFO_ACCESS *ainfo,
63 STACK_OF(CONF_VALUE) *ret)
64 {
65 ACCESS_DESCRIPTION *desc;
66 int i;
67 size_t nlen;
68 char objtmp[80], *ntmp;
69 CONF_VALUE *vtmp;
70 STACK_OF(CONF_VALUE) *tret = ret;
71
72 for (i = 0; i < sk_ACCESS_DESCRIPTION_num(ainfo); i++) {
73 STACK_OF(CONF_VALUE) *tmp;
74
75 desc = sk_ACCESS_DESCRIPTION_value(ainfo, i);
76 tmp = i2v_GENERAL_NAME(method, desc->location, tret);
77 if (tmp == NULL) {
78 ERR_raise(ERR_LIB_X509V3, ERR_R_ASN1_LIB);
79 goto err;
80 }
81 tret = tmp;
82 vtmp = sk_CONF_VALUE_value(tret, i);
83 i2t_ASN1_OBJECT(objtmp, sizeof(objtmp), desc->method);
84 nlen = strlen(objtmp) + 3 + strlen(vtmp->name) + 1;
85 ntmp = OPENSSL_malloc(nlen);
86 if (ntmp == NULL)
87 goto err;
88 BIO_snprintf(ntmp, nlen, "%s - %s", objtmp, vtmp->name);
89 OPENSSL_free(vtmp->name);
90 vtmp->name = ntmp;
91 }
92 if (ret == NULL && tret == NULL)
93 return sk_CONF_VALUE_new_null();
94
95 return tret;
96 err:
97 if (ret == NULL && tret != NULL)
98 sk_CONF_VALUE_pop_free(tret, X509V3_conf_free);
99 return NULL;
100 }
101
v2i_AUTHORITY_INFO_ACCESS(X509V3_EXT_METHOD * method,X509V3_CTX * ctx,STACK_OF (CONF_VALUE)* nval)102 static AUTHORITY_INFO_ACCESS *v2i_AUTHORITY_INFO_ACCESS(X509V3_EXT_METHOD
103 *method,
104 X509V3_CTX *ctx,
105 STACK_OF(CONF_VALUE)
106 *nval)
107 {
108 AUTHORITY_INFO_ACCESS *ainfo = NULL;
109 CONF_VALUE *cnf, ctmp;
110 ACCESS_DESCRIPTION *acc;
111 int i;
112 const int num = sk_CONF_VALUE_num(nval);
113 char *objtmp, *ptmp;
114
115 if ((ainfo = sk_ACCESS_DESCRIPTION_new_reserve(NULL, num)) == NULL) {
116 ERR_raise(ERR_LIB_X509V3, ERR_R_CRYPTO_LIB);
117 return NULL;
118 }
119 for (i = 0; i < num; i++) {
120 cnf = sk_CONF_VALUE_value(nval, i);
121 if ((acc = ACCESS_DESCRIPTION_new()) == NULL) {
122 ERR_raise(ERR_LIB_X509V3, ERR_R_ASN1_LIB);
123 goto err;
124 }
125 sk_ACCESS_DESCRIPTION_push(ainfo, acc); /* Cannot fail due to reserve */
126 ptmp = strchr(cnf->name, ';');
127 if (ptmp == NULL) {
128 ERR_raise(ERR_LIB_X509V3, X509V3_R_INVALID_SYNTAX);
129 goto err;
130 }
131 ctmp.name = ptmp + 1;
132 ctmp.value = cnf->value;
133 if (!v2i_GENERAL_NAME_ex(acc->location, method, ctx, &ctmp, 0))
134 goto err;
135 if ((objtmp = OPENSSL_strndup(cnf->name, ptmp - cnf->name)) == NULL)
136 goto err;
137 acc->method = OBJ_txt2obj(objtmp, 0);
138 if (!acc->method) {
139 ERR_raise_data(ERR_LIB_X509V3, X509V3_R_BAD_OBJECT,
140 "value=%s", objtmp);
141 OPENSSL_free(objtmp);
142 goto err;
143 }
144 OPENSSL_free(objtmp);
145 }
146 return ainfo;
147 err:
148 sk_ACCESS_DESCRIPTION_pop_free(ainfo, ACCESS_DESCRIPTION_free);
149 return NULL;
150 }
151
i2a_ACCESS_DESCRIPTION(BIO * bp,const ACCESS_DESCRIPTION * a)152 int i2a_ACCESS_DESCRIPTION(BIO *bp, const ACCESS_DESCRIPTION *a)
153 {
154 i2a_ASN1_OBJECT(bp, a->method);
155 return 2;
156 }
157