crypto/x509v3/v3_info.c

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