crypto/openssl/crypto/x509v3/v3_info.c

   1 /* v3_info.c */
   2 /*
   3  * Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL project
   4  * 1999.
   5  */
   6 /* ====================================================================
   7  * Copyright (c) 1999 The OpenSSL Project.  All rights reserved.
   8  *
   9  * Redistribution and use in source and binary forms, with or without
  10  * modification, are permitted provided that the following conditions
  11  * are met:
  12  *
  13  * 1. Redistributions of source code must retain the above copyright
  14  *    notice, this list of conditions and the following disclaimer.
  15  *
  16  * 2. Redistributions in binary form must reproduce the above copyright
  17  *    notice, this list of conditions and the following disclaimer in
  18  *    the documentation and/or other materials provided with the
  19  *    distribution.
  20  *
  21  * 3. All advertising materials mentioning features or use of this
  22  *    software must display the following acknowledgment:
  23  *    "This product includes software developed by the OpenSSL Project
  24  *    for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
  25  *
  26  * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
  27  *    endorse or promote products derived from this software without
  28  *    prior written permission. For written permission, please contact
  29  *    licensing@OpenSSL.org.
  30  *
  31  * 5. Products derived from this software may not be called "OpenSSL"
  32  *    nor may "OpenSSL" appear in their names without prior written
  33  *    permission of the OpenSSL Project.
  34  *
  35  * 6. Redistributions of any form whatsoever must retain the following
  36  *    acknowledgment:
  37  *    "This product includes software developed by the OpenSSL Project
  38  *    for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
  39  *
  40  * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
  41  * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  42  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  43  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
  44  * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  45  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  46  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  47  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  48  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
  49  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  50  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
  51  * OF THE POSSIBILITY OF SUCH DAMAGE.
  52  * ====================================================================
  53  *
  54  * This product includes cryptographic software written by Eric Young
  55  * (eay@cryptsoft.com).  This product includes software written by Tim
  56  * Hudson (tjh@cryptsoft.com).
  57  *
  58  */
  59
  60 #include <stdio.h>
  61 #include "cryptlib.h"
  62 #include <openssl/conf.h>
  63 #include <openssl/asn1.h>
  64 #include <openssl/asn1t.h>
  65 #include <openssl/x509v3.h>
  66
  67 static STACK_OF(CONF_VALUE) *i2v_AUTHORITY_INFO_ACCESS(X509V3_EXT_METHOD
  68                                                        *method, AUTHORITY_INFO_ACCESS
  69                                                        *ainfo, STACK_OF(CONF_VALUE)
  70                                                        *ret);
  71 static AUTHORITY_INFO_ACCESS *v2i_AUTHORITY_INFO_ACCESS(X509V3_EXT_METHOD
  72                                                         *method,
  73                                                         X509V3_CTX *ctx,
  74                                                         STACK_OF(CONF_VALUE)
  75                                                         *nval);
  76
  77 const X509V3_EXT_METHOD v3_info = { NID_info_access, X509V3_EXT_MULTILINE,
  78     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
  87 const X509V3_EXT_METHOD v3_sinfo = { NID_sinfo_access, X509V3_EXT_MULTILINE,
  88     ASN1_ITEM_ref(AUTHORITY_INFO_ACCESS),
  89     0, 0, 0, 0,
  90     0, 0,
  91     (X509V3_EXT_I2V) i2v_AUTHORITY_INFO_ACCESS,
  92     (X509V3_EXT_V2I)v2i_AUTHORITY_INFO_ACCESS,
  93     0, 0,
  94     NULL
  95 };
  96
  97 ASN1_SEQUENCE(ACCESS_DESCRIPTION) = {
  98         ASN1_SIMPLE(ACCESS_DESCRIPTION, method, ASN1_OBJECT),
  99         ASN1_SIMPLE(ACCESS_DESCRIPTION, location, GENERAL_NAME)
 100 } ASN1_SEQUENCE_END(ACCESS_DESCRIPTION)
 101
 102 IMPLEMENT_ASN1_FUNCTIONS(ACCESS_DESCRIPTION)
 103
 104 ASN1_ITEM_TEMPLATE(AUTHORITY_INFO_ACCESS) =
 105         ASN1_EX_TEMPLATE_TYPE(ASN1_TFLG_SEQUENCE_OF, 0, GeneralNames, ACCESS_DESCRIPTION)
 106 ASN1_ITEM_TEMPLATE_END(AUTHORITY_INFO_ACCESS)
 107
 108 IMPLEMENT_ASN1_FUNCTIONS(AUTHORITY_INFO_ACCESS)
 109
 110 static STACK_OF(CONF_VALUE) *i2v_AUTHORITY_INFO_ACCESS(
 111     X509V3_EXT_METHOD *method, AUTHORITY_INFO_ACCESS *ainfo,
 112     STACK_OF(CONF_VALUE) *ret)
 113 {
 114     ACCESS_DESCRIPTION *desc;
 115     int i, nlen;
 116     char objtmp[80], *ntmp;
 117     CONF_VALUE *vtmp;
 118     STACK_OF(CONF_VALUE) *tret = ret;
 119
 120     for (i = 0; i < sk_ACCESS_DESCRIPTION_num(ainfo); i++) {
 121         STACK_OF(CONF_VALUE) *tmp;
 122
 123         desc = sk_ACCESS_DESCRIPTION_value(ainfo, i);
 124         tmp = i2v_GENERAL_NAME(method, desc->location, tret);
 125         if (tmp == NULL)
 126             goto err;
 127         tret = tmp;
 128         vtmp = sk_CONF_VALUE_value(tret, i);
 129         i2t_ASN1_OBJECT(objtmp, sizeof objtmp, desc->method);
 130         nlen = strlen(objtmp) + strlen(vtmp->name) + 5;
 131         ntmp = OPENSSL_malloc(nlen);
 132         if (ntmp == NULL)
 133             goto err;
 134         BUF_strlcpy(ntmp, objtmp, nlen);
 135         BUF_strlcat(ntmp, " - ", nlen);
 136         BUF_strlcat(ntmp, vtmp->name, nlen);
 137         OPENSSL_free(vtmp->name);
 138         vtmp->name = ntmp;
 139
 140     }
 141     if (ret == NULL && tret == NULL)
 142         return sk_CONF_VALUE_new_null();
 143
 144     return tret;
 145  err:
 146     X509V3err(X509V3_F_I2V_AUTHORITY_INFO_ACCESS, ERR_R_MALLOC_FAILURE);
 147     if (ret == NULL && tret != NULL)
 148         sk_CONF_VALUE_pop_free(tret, X509V3_conf_free);
 149     return NULL;
 150 }
 151
 152 static AUTHORITY_INFO_ACCESS *v2i_AUTHORITY_INFO_ACCESS(X509V3_EXT_METHOD
 153                                                         *method,
 154                                                         X509V3_CTX *ctx,
 155                                                         STACK_OF(CONF_VALUE)
 156                                                         *nval)
 157 {
 158     AUTHORITY_INFO_ACCESS *ainfo = NULL;
 159     CONF_VALUE *cnf, ctmp;
 160     ACCESS_DESCRIPTION *acc;
 161     int i, objlen;
 162     char *objtmp, *ptmp;
 163     if (!(ainfo = sk_ACCESS_DESCRIPTION_new_null())) {
 164         X509V3err(X509V3_F_V2I_AUTHORITY_INFO_ACCESS, ERR_R_MALLOC_FAILURE);
 165         return NULL;
 166     }
 167     for (i = 0; i < sk_CONF_VALUE_num(nval); i++) {
 168         cnf = sk_CONF_VALUE_value(nval, i);
 169         if (!(acc = ACCESS_DESCRIPTION_new())
 170             || !sk_ACCESS_DESCRIPTION_push(ainfo, acc)) {
 171             X509V3err(X509V3_F_V2I_AUTHORITY_INFO_ACCESS,
 172                       ERR_R_MALLOC_FAILURE);
 173             goto err;
 174         }
 175         ptmp = strchr(cnf->name, ';');
 176         if (!ptmp) {
 177             X509V3err(X509V3_F_V2I_AUTHORITY_INFO_ACCESS,
 178                       X509V3_R_INVALID_SYNTAX);
 179             goto err;
 180         }
 181         objlen = ptmp - cnf->name;
 182         ctmp.name = ptmp + 1;
 183         ctmp.value = cnf->value;
 184         if (!v2i_GENERAL_NAME_ex(acc->location, method, ctx, &ctmp, 0))
 185             goto err;
 186         if (!(objtmp = OPENSSL_malloc(objlen + 1))) {
 187             X509V3err(X509V3_F_V2I_AUTHORITY_INFO_ACCESS,
 188                       ERR_R_MALLOC_FAILURE);
 189             goto err;
 190         }
 191         strncpy(objtmp, cnf->name, objlen);
 192         objtmp[objlen] = 0;
 193         acc->method = OBJ_txt2obj(objtmp, 0);
 194         if (!acc->method) {
 195             X509V3err(X509V3_F_V2I_AUTHORITY_INFO_ACCESS,
 196                       X509V3_R_BAD_OBJECT);
 197             ERR_add_error_data(2, "value=", objtmp);
 198             OPENSSL_free(objtmp);
 199             goto err;
 200         }
 201         OPENSSL_free(objtmp);
 202
 203     }
 204     return ainfo;
 205  err:
 206     sk_ACCESS_DESCRIPTION_pop_free(ainfo, ACCESS_DESCRIPTION_free);
 207     return NULL;
 208 }
 209
 210 int i2a_ACCESS_DESCRIPTION(BIO *bp, ACCESS_DESCRIPTION *a)
 211 {
 212     i2a_ASN1_OBJECT(bp, a->method);
 213 #ifdef UNDEF
 214     i2a_GENERAL_NAME(bp, a->location);
 215 #endif
 216     return 2;
 217 }