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, nlen; 67 char objtmp[80], *ntmp; 68 CONF_VALUE *vtmp; 69 STACK_OF(CONF_VALUE) *tret = ret; 70 71 for (i = 0; i < sk_ACCESS_DESCRIPTION_num(ainfo); i++) { 72 STACK_OF(CONF_VALUE) *tmp; 73 74 desc = sk_ACCESS_DESCRIPTION_value(ainfo, i); 75 tmp = i2v_GENERAL_NAME(method, desc->location, tret); 76 if (tmp == NULL) 77 goto err; 78 tret = tmp; 79 vtmp = sk_CONF_VALUE_value(tret, i); 80 i2t_ASN1_OBJECT(objtmp, sizeof(objtmp), desc->method); 81 nlen = strlen(objtmp) + 3 + strlen(vtmp->name) + 1; 82 ntmp = OPENSSL_malloc(nlen); 83 if (ntmp == NULL) 84 goto err; 85 BIO_snprintf(ntmp, nlen, "%s - %s", objtmp, vtmp->name); 86 OPENSSL_free(vtmp->name); 87 vtmp->name = ntmp; 88 } 89 if (ret == NULL && tret == NULL) 90 return sk_CONF_VALUE_new_null(); 91 92 return tret; 93 err: 94 ERR_raise(ERR_LIB_X509V3, ERR_R_MALLOC_FAILURE); 95 if (ret == NULL && tret != NULL) 96 sk_CONF_VALUE_pop_free(tret, X509V3_conf_free); 97 return NULL; 98 } 99 100 static AUTHORITY_INFO_ACCESS *v2i_AUTHORITY_INFO_ACCESS(X509V3_EXT_METHOD 101 *method, 102 X509V3_CTX *ctx, 103 STACK_OF(CONF_VALUE) 104 *nval) 105 { 106 AUTHORITY_INFO_ACCESS *ainfo = NULL; 107 CONF_VALUE *cnf, ctmp; 108 ACCESS_DESCRIPTION *acc; 109 int i; 110 const int num = sk_CONF_VALUE_num(nval); 111 char *objtmp, *ptmp; 112 113 if ((ainfo = sk_ACCESS_DESCRIPTION_new_reserve(NULL, num)) == NULL) { 114 ERR_raise(ERR_LIB_X509V3, ERR_R_MALLOC_FAILURE); 115 return NULL; 116 } 117 for (i = 0; i < num; i++) { 118 cnf = sk_CONF_VALUE_value(nval, i); 119 if ((acc = ACCESS_DESCRIPTION_new()) == NULL) { 120 ERR_raise(ERR_LIB_X509V3, ERR_R_MALLOC_FAILURE); 121 goto err; 122 } 123 sk_ACCESS_DESCRIPTION_push(ainfo, acc); /* Cannot fail due to reserve */ 124 ptmp = strchr(cnf->name, ';'); 125 if (ptmp == NULL) { 126 ERR_raise(ERR_LIB_X509V3, X509V3_R_INVALID_SYNTAX); 127 goto err; 128 } 129 ctmp.name = ptmp + 1; 130 ctmp.value = cnf->value; 131 if (!v2i_GENERAL_NAME_ex(acc->location, method, ctx, &ctmp, 0)) 132 goto err; 133 if ((objtmp = OPENSSL_strndup(cnf->name, ptmp - cnf->name)) == NULL) { 134 ERR_raise(ERR_LIB_X509V3, ERR_R_MALLOC_FAILURE); 135 goto err; 136 } 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 } 151 152 int i2a_ACCESS_DESCRIPTION(BIO *bp, const ACCESS_DESCRIPTION *a) 153 { 154 i2a_ASN1_OBJECT(bp, a->method); 155 return 2; 156 } 157