crypto/x509v3/v3_ocsp.c

   1 /* v3_ocsp.c */
   2 /* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
   3  * project 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 #ifndef OPENSSL_NO_OCSP
  60
  61 #include <stdio.h>
  62 #include "cryptlib.h"
  63 #include <openssl/conf.h>
  64 #include <openssl/asn1.h>
  65 #include <openssl/ocsp.h>
  66 #include <openssl/x509v3.h>
  67
  68 /* OCSP extensions and a couple of CRL entry extensions
  69  */
  70
  71 static int i2r_ocsp_crlid(const X509V3_EXT_METHOD *method, void *nonce,
  72                           BIO *out, int indent);
  73 static int i2r_ocsp_acutoff(const X509V3_EXT_METHOD *method, void *nonce,
  74                             BIO *out, int indent);
  75 static int i2r_object(const X509V3_EXT_METHOD *method, void *obj, BIO *out,
  76                       int indent);
  77
  78 static void *ocsp_nonce_new(void);
  79 static int i2d_ocsp_nonce(void *a, unsigned char **pp);
  80 static void *d2i_ocsp_nonce(void *a, const unsigned char **pp, long length);
  81 static void ocsp_nonce_free(void *a);
  82 static int i2r_ocsp_nonce(const X509V3_EXT_METHOD *method, void *nonce,
  83                           BIO *out, int indent);
  84
  85 static int i2r_ocsp_nocheck(const X509V3_EXT_METHOD *method,
  86                             void *nocheck, BIO *out, int indent);
  87 static void *s2i_ocsp_nocheck(const X509V3_EXT_METHOD *method, X509V3_CTX *ctx,
  88                               const char *str);
  89 static int i2r_ocsp_serviceloc(const X509V3_EXT_METHOD *method, void *in,
  90                                BIO *bp, int ind);
  91
  92 const X509V3_EXT_METHOD v3_ocsp_crlid = {
  93         NID_id_pkix_OCSP_CrlID, 0, ASN1_ITEM_ref(OCSP_CRLID),
  94         0,0,0,0,
  95         0,0,
  96         0,0,
  97         i2r_ocsp_crlid,0,
  98         NULL
  99 };
 100
 101 const X509V3_EXT_METHOD v3_ocsp_acutoff = {
 102         NID_id_pkix_OCSP_archiveCutoff, 0, ASN1_ITEM_ref(ASN1_GENERALIZEDTIME),
 103         0,0,0,0,
 104         0,0,
 105         0,0,
 106         i2r_ocsp_acutoff,0,
 107         NULL
 108 };
 109
 110 const X509V3_EXT_METHOD v3_crl_invdate = {
 111         NID_invalidity_date, 0, ASN1_ITEM_ref(ASN1_GENERALIZEDTIME),
 112         0,0,0,0,
 113         0,0,
 114         0,0,
 115         i2r_ocsp_acutoff,0,
 116         NULL
 117 };
 118
 119 const X509V3_EXT_METHOD v3_crl_hold = {
 120         NID_hold_instruction_code, 0, ASN1_ITEM_ref(ASN1_OBJECT),
 121         0,0,0,0,
 122         0,0,
 123         0,0,
 124         i2r_object,0,
 125         NULL
 126 };
 127
 128 const X509V3_EXT_METHOD v3_ocsp_nonce = {
 129         NID_id_pkix_OCSP_Nonce, 0, NULL,
 130         ocsp_nonce_new,
 131         ocsp_nonce_free,
 132         d2i_ocsp_nonce,
 133         i2d_ocsp_nonce,
 134         0,0,
 135         0,0,
 136         i2r_ocsp_nonce,0,
 137         NULL
 138 };
 139
 140 const X509V3_EXT_METHOD v3_ocsp_nocheck = {
 141         NID_id_pkix_OCSP_noCheck, 0, ASN1_ITEM_ref(ASN1_NULL),
 142         0,0,0,0,
 143         0,s2i_ocsp_nocheck,
 144         0,0,
 145         i2r_ocsp_nocheck,0,
 146         NULL
 147 };
 148
 149 const X509V3_EXT_METHOD v3_ocsp_serviceloc = {
 150         NID_id_pkix_OCSP_serviceLocator, 0, ASN1_ITEM_ref(OCSP_SERVICELOC),
 151         0,0,0,0,
 152         0,0,
 153         0,0,
 154         i2r_ocsp_serviceloc,0,
 155         NULL
 156 };
 157
 158 static int i2r_ocsp_crlid(const X509V3_EXT_METHOD *method, void *in, BIO *bp,
 159                           int ind)
 160 {
 161         OCSP_CRLID *a = in;
 162         if (a->crlUrl)
 163                 {
 164                 if (BIO_printf(bp, "%*scrlUrl: ", ind, "") <= 0) goto err;
 165                 if (!ASN1_STRING_print(bp, (ASN1_STRING*)a->crlUrl)) goto err;
 166                 if (BIO_write(bp, "\n", 1) <= 0) goto err;
 167                 }
 168         if (a->crlNum)
 169                 {
 170                 if (BIO_printf(bp, "%*scrlNum: ", ind, "") <= 0) goto err;
 171                 if (i2a_ASN1_INTEGER(bp, a->crlNum) <= 0) goto err;
 172                 if (BIO_write(bp, "\n", 1) <= 0) goto err;
 173                 }
 174         if (a->crlTime)
 175                 {
 176                 if (BIO_printf(bp, "%*scrlTime: ", ind, "") <= 0) goto err;
 177                 if (!ASN1_GENERALIZEDTIME_print(bp, a->crlTime)) goto err;
 178                 if (BIO_write(bp, "\n", 1) <= 0) goto err;
 179                 }
 180         return 1;
 181         err:
 182         return 0;
 183 }
 184
 185 static int i2r_ocsp_acutoff(const X509V3_EXT_METHOD *method, void *cutoff,
 186                             BIO *bp, int ind)
 187 {
 188         if (BIO_printf(bp, "%*s", ind, "") <= 0) return 0;
 189         if(!ASN1_GENERALIZEDTIME_print(bp, cutoff)) return 0;
 190         return 1;
 191 }
 192
 193
 194 static int i2r_object(const X509V3_EXT_METHOD *method, void *oid, BIO *bp,
 195                       int ind)
 196 {
 197         if (BIO_printf(bp, "%*s", ind, "") <= 0) return 0;
 198         if(i2a_ASN1_OBJECT(bp, oid) <= 0) return 0;
 199         return 1;
 200 }
 201
 202 /* OCSP nonce. This is needs special treatment because it doesn't have
 203  * an ASN1 encoding at all: it just contains arbitrary data.
 204  */
 205
 206 static void *ocsp_nonce_new(void)
 207 {
 208         return ASN1_OCTET_STRING_new();
 209 }
 210
 211 static int i2d_ocsp_nonce(void *a, unsigned char **pp)
 212 {
 213         ASN1_OCTET_STRING *os = a;
 214         if(pp) {
 215                 memcpy(*pp, os->data, os->length);
 216                 *pp += os->length;
 217         }
 218         return os->length;
 219 }
 220
 221 static void *d2i_ocsp_nonce(void *a, const unsigned char **pp, long length)
 222 {
 223         ASN1_OCTET_STRING *os, **pos;
 224         pos = a;
 225         if(!pos || !*pos) os = ASN1_OCTET_STRING_new();
 226         else os = *pos;
 227         if(!ASN1_OCTET_STRING_set(os, *pp, length)) goto err;
 228
 229         *pp += length;
 230
 231         if(pos) *pos = os;
 232         return os;
 233
 234         err:
 235         if(os && (!pos || (*pos != os))) M_ASN1_OCTET_STRING_free(os);
 236         OCSPerr(OCSP_F_D2I_OCSP_NONCE, ERR_R_MALLOC_FAILURE);
 237         return NULL;
 238 }
 239
 240 static void ocsp_nonce_free(void *a)
 241 {
 242         M_ASN1_OCTET_STRING_free(a);
 243 }
 244
 245 static int i2r_ocsp_nonce(const X509V3_EXT_METHOD *method, void *nonce,
 246                           BIO *out, int indent)
 247 {
 248         if(BIO_printf(out, "%*s", indent, "") <= 0) return 0;
 249         if(i2a_ASN1_STRING(out, nonce, V_ASN1_OCTET_STRING) <= 0) return 0;
 250         return 1;
 251 }
 252
 253 /* Nocheck is just a single NULL. Don't print anything and always set it */
 254
 255 static int i2r_ocsp_nocheck(const X509V3_EXT_METHOD *method, void *nocheck,
 256                             BIO *out, int indent)
 257 {
 258         return 1;
 259 }
 260
 261 static void *s2i_ocsp_nocheck(const X509V3_EXT_METHOD *method, X509V3_CTX *ctx,
 262                               const char *str)
 263 {
 264         return ASN1_NULL_new();
 265 }
 266
 267 static int i2r_ocsp_serviceloc(const X509V3_EXT_METHOD *method, void *in,
 268                                BIO *bp, int ind)
 269         {
 270         int i;
 271         OCSP_SERVICELOC *a = in;
 272         ACCESS_DESCRIPTION *ad;
 273
 274         if (BIO_printf(bp, "%*sIssuer: ", ind, "") <= 0) goto err;
 275         if (X509_NAME_print_ex(bp, a->issuer, 0, XN_FLAG_ONELINE) <= 0) goto err;
 276         for (i = 0; i < sk_ACCESS_DESCRIPTION_num(a->locator); i++)
 277                 {
 278                                 ad = sk_ACCESS_DESCRIPTION_value(a->locator,i);
 279                                 if (BIO_printf(bp, "\n%*s", (2*ind), "") <= 0)
 280                                         goto err;
 281                                 if(i2a_ASN1_OBJECT(bp, ad->method) <= 0) goto err;
 282                                 if(BIO_puts(bp, " - ") <= 0) goto err;
 283                                 if(GENERAL_NAME_print(bp, ad->location) <= 0) goto err;
 284                 }
 285         return 1;
 286 err:
 287         return 0;
 288         }
 289 #endif