[331] | 1 | /*
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| 2 | * Copyright 1999-2016 The OpenSSL Project Authors. All Rights Reserved.
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| 3 | *
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| 4 | * Licensed under the OpenSSL license (the "License"). You may not use
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| 5 | * this file except in compliance with the License. You can obtain a copy
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| 6 | * in the file LICENSE in the source distribution or at
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| 7 | * https://www.openssl.org/source/license.html
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| 8 | */
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| 9 |
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| 10 | #include <stdio.h>
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| 11 | #include "internal/cryptlib.h"
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| 12 | #include <openssl/conf.h>
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| 13 | #include <openssl/asn1.h>
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| 14 | #include <openssl/asn1t.h>
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| 15 | #include <openssl/x509v3.h>
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| 16 | #include "ext_dat.h"
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| 17 |
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| 18 | static STACK_OF(CONF_VALUE) *i2v_AUTHORITY_INFO_ACCESS(X509V3_EXT_METHOD
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| 19 | *method, AUTHORITY_INFO_ACCESS
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| 20 | *ainfo, STACK_OF(CONF_VALUE)
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| 21 | *ret);
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| 22 | static AUTHORITY_INFO_ACCESS *v2i_AUTHORITY_INFO_ACCESS(X509V3_EXT_METHOD
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| 23 | *method,
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| 24 | X509V3_CTX *ctx,
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| 25 | STACK_OF(CONF_VALUE)
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| 26 | *nval);
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| 27 |
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| 28 | const X509V3_EXT_METHOD v3_info = { NID_info_access, X509V3_EXT_MULTILINE,
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| 29 | ASN1_ITEM_ref(AUTHORITY_INFO_ACCESS),
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| 30 | 0, 0, 0, 0,
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| 31 | 0, 0,
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| 32 | (X509V3_EXT_I2V) i2v_AUTHORITY_INFO_ACCESS,
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| 33 | (X509V3_EXT_V2I)v2i_AUTHORITY_INFO_ACCESS,
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| 34 | 0, 0,
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| 35 | NULL
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| 36 | };
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| 37 |
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| 38 | const X509V3_EXT_METHOD v3_sinfo = { NID_sinfo_access, X509V3_EXT_MULTILINE,
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| 39 | ASN1_ITEM_ref(AUTHORITY_INFO_ACCESS),
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| 40 | 0, 0, 0, 0,
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| 41 | 0, 0,
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| 42 | (X509V3_EXT_I2V) i2v_AUTHORITY_INFO_ACCESS,
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| 43 | (X509V3_EXT_V2I)v2i_AUTHORITY_INFO_ACCESS,
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| 44 | 0, 0,
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| 45 | NULL
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| 46 | };
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| 47 |
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| 48 | ASN1_SEQUENCE(ACCESS_DESCRIPTION) = {
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| 49 | ASN1_SIMPLE(ACCESS_DESCRIPTION, method, ASN1_OBJECT),
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| 50 | ASN1_SIMPLE(ACCESS_DESCRIPTION, location, GENERAL_NAME)
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| 51 | } ASN1_SEQUENCE_END(ACCESS_DESCRIPTION)
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| 52 |
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| 53 | IMPLEMENT_ASN1_FUNCTIONS(ACCESS_DESCRIPTION)
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| 54 |
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| 55 | ASN1_ITEM_TEMPLATE(AUTHORITY_INFO_ACCESS) =
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| 56 | ASN1_EX_TEMPLATE_TYPE(ASN1_TFLG_SEQUENCE_OF, 0, GeneralNames, ACCESS_DESCRIPTION)
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| 57 | ASN1_ITEM_TEMPLATE_END(AUTHORITY_INFO_ACCESS)
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| 58 |
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| 59 | IMPLEMENT_ASN1_FUNCTIONS(AUTHORITY_INFO_ACCESS)
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| 60 |
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| 61 | static STACK_OF(CONF_VALUE) *i2v_AUTHORITY_INFO_ACCESS(X509V3_EXT_METHOD
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| 62 | *method, AUTHORITY_INFO_ACCESS
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| 63 | *ainfo, STACK_OF(CONF_VALUE)
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| 64 | *ret)
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| 65 | {
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| 66 | ACCESS_DESCRIPTION *desc;
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| 67 | int i, nlen;
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| 68 | char objtmp[80], *ntmp;
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| 69 | CONF_VALUE *vtmp;
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| 70 | for (i = 0; i < sk_ACCESS_DESCRIPTION_num(ainfo); i++) {
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| 71 | desc = sk_ACCESS_DESCRIPTION_value(ainfo, i);
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| 72 | ret = i2v_GENERAL_NAME(method, desc->location, ret);
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| 73 | if (!ret)
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| 74 | break;
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| 75 | vtmp = sk_CONF_VALUE_value(ret, i);
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| 76 | i2t_ASN1_OBJECT(objtmp, sizeof objtmp, desc->method);
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| 77 | nlen = strlen(objtmp) + strlen(vtmp->name) + 5;
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| 78 | ntmp = OPENSSL_malloc(nlen);
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| 79 | if (ntmp == NULL) {
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| 80 | X509V3err(X509V3_F_I2V_AUTHORITY_INFO_ACCESS,
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| 81 | ERR_R_MALLOC_FAILURE);
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| 82 | return NULL;
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| 83 | }
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| 84 | OPENSSL_strlcpy(ntmp, objtmp, nlen);
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| 85 | OPENSSL_strlcat(ntmp, " - ", nlen);
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| 86 | OPENSSL_strlcat(ntmp, vtmp->name, nlen);
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| 87 | OPENSSL_free(vtmp->name);
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| 88 | vtmp->name = ntmp;
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| 89 |
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| 90 | }
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| 91 | if (!ret)
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| 92 | return sk_CONF_VALUE_new_null();
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| 93 | return ret;
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| 94 | }
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| 95 |
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| 96 | static AUTHORITY_INFO_ACCESS *v2i_AUTHORITY_INFO_ACCESS(X509V3_EXT_METHOD
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| 97 | *method,
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| 98 | X509V3_CTX *ctx,
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| 99 | STACK_OF(CONF_VALUE)
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| 100 | *nval)
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| 101 | {
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| 102 | AUTHORITY_INFO_ACCESS *ainfo = NULL;
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| 103 | CONF_VALUE *cnf, ctmp;
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| 104 | ACCESS_DESCRIPTION *acc;
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| 105 | int i, objlen;
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| 106 | char *objtmp, *ptmp;
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| 107 |
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| 108 | if ((ainfo = sk_ACCESS_DESCRIPTION_new_null()) == NULL) {
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| 109 | X509V3err(X509V3_F_V2I_AUTHORITY_INFO_ACCESS, ERR_R_MALLOC_FAILURE);
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| 110 | return NULL;
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| 111 | }
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| 112 | for (i = 0; i < sk_CONF_VALUE_num(nval); i++) {
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| 113 | cnf = sk_CONF_VALUE_value(nval, i);
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| 114 | if ((acc = ACCESS_DESCRIPTION_new()) == NULL
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| 115 | || !sk_ACCESS_DESCRIPTION_push(ainfo, acc)) {
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| 116 | X509V3err(X509V3_F_V2I_AUTHORITY_INFO_ACCESS,
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| 117 | ERR_R_MALLOC_FAILURE);
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| 118 | goto err;
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| 119 | }
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| 120 | ptmp = strchr(cnf->name, ';');
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| 121 | if (!ptmp) {
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| 122 | X509V3err(X509V3_F_V2I_AUTHORITY_INFO_ACCESS,
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| 123 | X509V3_R_INVALID_SYNTAX);
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| 124 | goto err;
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| 125 | }
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| 126 | objlen = ptmp - cnf->name;
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| 127 | ctmp.name = ptmp + 1;
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| 128 | ctmp.value = cnf->value;
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| 129 | if (!v2i_GENERAL_NAME_ex(acc->location, method, ctx, &ctmp, 0))
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| 130 | goto err;
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| 131 | if ((objtmp = OPENSSL_strndup(cnf->name, objlen)) == NULL) {
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| 132 | X509V3err(X509V3_F_V2I_AUTHORITY_INFO_ACCESS,
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| 133 | ERR_R_MALLOC_FAILURE);
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| 134 | goto err;
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| 135 | }
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| 136 | acc->method = OBJ_txt2obj(objtmp, 0);
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| 137 | if (!acc->method) {
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| 138 | X509V3err(X509V3_F_V2I_AUTHORITY_INFO_ACCESS,
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| 139 | X509V3_R_BAD_OBJECT);
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| 140 | ERR_add_error_data(2, "value=", objtmp);
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| 141 | OPENSSL_free(objtmp);
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| 142 | goto err;
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| 143 | }
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| 144 | OPENSSL_free(objtmp);
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| 145 |
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| 146 | }
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| 147 | return ainfo;
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| 148 | err:
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| 149 | sk_ACCESS_DESCRIPTION_pop_free(ainfo, ACCESS_DESCRIPTION_free);
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| 150 | return NULL;
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| 151 | }
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| 152 |
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| 153 | int i2a_ACCESS_DESCRIPTION(BIO *bp, const ACCESS_DESCRIPTION *a)
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| 154 | {
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| 155 | i2a_ASN1_OBJECT(bp, a->method);
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| 156 | return 2;
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| 157 | }
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