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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