crypto/x509v3/v3_ocsp.c

   1 /* v3_ocsp.c */
   2 /* Written by Dr Stephen N Henson (shenson@bigfoot.com) 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 #include <stdio.h>
  60 #include "cryptlib.h"
  61 #include <openssl/conf.h>
  62 #include <openssl/asn1.h>
  63 #include <openssl/ocsp.h>
  64 #include <openssl/x509v3.h>
  65
  66 /* OCSP extensions.
  67  */
  68
  69 static int i2r_ocsp_crlid(X509V3_EXT_METHOD *method, void *nonce, BIO *out, int indent);
  70 static int i2r_ocsp_acutoff(X509V3_EXT_METHOD *method, void *nonce, BIO *out, int indent);
  71
  72 static void *ocsp_nonce_new(void);
  73 static int i2d_ocsp_nonce(void *a, unsigned char **pp);
  74 static void *d2i_ocsp_nonce(void *a, unsigned char **pp, long length);
  75 static void ocsp_nonce_free(void *a);
  76 static int i2r_ocsp_nonce(X509V3_EXT_METHOD *method, void *nonce, BIO *out, int indent);
  77
  78 static int i2r_ocsp_nocheck(X509V3_EXT_METHOD *method, void *nocheck, BIO *out, int indent);
  79 static void *s2i_ocsp_nocheck(X509V3_EXT_METHOD *method, X509V3_CTX *ctx, char *str);
  80 static int i2r_ocsp_serviceloc(X509V3_EXT_METHOD *method, void *in, BIO *bp, int ind);
  81
  82 X509V3_EXT_METHOD v3_ocsp_crlid = {
  83         NID_id_pkix_OCSP_CrlID, 0, &OCSP_CRLID_it,
  84         0,0,0,0,
  85         0,0,
  86         0,0,
  87         i2r_ocsp_crlid,0,
  88         NULL
  89 };
  90
  91 X509V3_EXT_METHOD v3_ocsp_acutoff = {
  92         NID_id_pkix_OCSP_archiveCutoff, 0, &ASN1_GENERALIZEDTIME_it,
  93         0,0,0,0,
  94         0,0,
  95         0,0,
  96         i2r_ocsp_acutoff,0,
  97         NULL
  98 };
  99
 100 X509V3_EXT_METHOD v3_ocsp_nonce = {
 101         NID_id_pkix_OCSP_Nonce, 0, NULL,
 102         ocsp_nonce_new,
 103         ocsp_nonce_free,
 104         d2i_ocsp_nonce,
 105         i2d_ocsp_nonce,
 106         0,0,
 107         0,0,
 108         i2r_ocsp_nonce,0,
 109         NULL
 110 };
 111
 112 X509V3_EXT_METHOD v3_ocsp_nocheck = {
 113         NID_id_pkix_OCSP_noCheck, 0, &ASN1_NULL_it,
 114         0,0,0,0,
 115         0,s2i_ocsp_nocheck,
 116         0,0,
 117         i2r_ocsp_nocheck,0,
 118         NULL
 119 };
 120
 121 X509V3_EXT_METHOD v3_ocsp_serviceloc = {
 122         NID_id_pkix_OCSP_serviceLocator, 0, &OCSP_SERVICELOC_it,
 123         0,0,0,0,
 124         0,0,
 125         0,0,
 126         i2r_ocsp_serviceloc,0,
 127         NULL
 128 };
 129
 130 static int i2r_ocsp_crlid(X509V3_EXT_METHOD *method, void *in, BIO *bp, int ind)
 131 {
 132         OCSP_CRLID *a = in;
 133         if (a->crlUrl)
 134                 {
 135                 if (!BIO_printf(bp, "%*scrlUrl: ", ind, "")) goto err;
 136                 if (!ASN1_STRING_print(bp, (ASN1_STRING*)a->crlUrl)) goto err;
 137                 if (!BIO_write(bp, "\n", 1)) goto err;
 138                 }
 139         if (a->crlNum)
 140                 {
 141                 if (!BIO_printf(bp, "%*scrlNum: ", ind, "")) goto err;
 142                 if (!i2a_ASN1_INTEGER(bp, a->crlNum)) goto err;
 143                 if (!BIO_write(bp, "\n", 1)) goto err;
 144                 }
 145         if (a->crlTime)
 146                 {
 147                 if (!BIO_printf(bp, "%*scrlTime: ", ind, "")) goto err;
 148                 if (!ASN1_GENERALIZEDTIME_print(bp, a->crlTime)) goto err;
 149                 if (!BIO_write(bp, "\n", 1)) goto err;
 150                 }
 151         return 1;
 152         err:
 153         return 0;
 154 }
 155
 156 static int i2r_ocsp_acutoff(X509V3_EXT_METHOD *method, void *cutoff, BIO *bp, int ind)
 157 {
 158         if (!BIO_printf(bp, "%*s", ind, "")) return 0;
 159         if(!ASN1_GENERALIZEDTIME_print(bp, cutoff)) return 0;
 160         return 1;
 161 }
 162
 163
 164 /* OCSP nonce. This is needs special treatment because it doesn't have
 165  * an ASN1 encoding at all: it just contains arbitrary data.
 166  */
 167
 168 static void *ocsp_nonce_new(void)
 169 {
 170         return ASN1_OCTET_STRING_new();
 171 }
 172
 173 static int i2d_ocsp_nonce(void *a, unsigned char **pp)
 174 {
 175         ASN1_OCTET_STRING *os = a;
 176         if(pp) {
 177                 memcpy(*pp, os->data, os->length);
 178                 *pp += os->length;
 179         }
 180         return os->length;
 181 }
 182
 183 static void *d2i_ocsp_nonce(void *a, unsigned char **pp, long length)
 184 {
 185         ASN1_OCTET_STRING *os, **pos;
 186         pos = a;
 187         if(!pos || !*pos) os = ASN1_OCTET_STRING_new();
 188         else os = *pos;
 189         if(!ASN1_OCTET_STRING_set(os, *pp, length)) goto err;
 190
 191         *pp += length;
 192
 193         if(pos) *pos = os;
 194         return os;
 195
 196         err:
 197         if(os && (!pos || (*pos != os))) M_ASN1_OCTET_STRING_free(os);
 198         OCSPerr(OCSP_F_D2I_OCSP_NONCE, ERR_R_MALLOC_FAILURE);
 199         return NULL;
 200 }
 201
 202 static void ocsp_nonce_free(void *a)
 203 {
 204         M_ASN1_OCTET_STRING_free(a);
 205 }
 206
 207 static int i2r_ocsp_nonce(X509V3_EXT_METHOD *method, void *nonce, BIO *out, int indent)
 208 {
 209         if(BIO_printf(out, "%*s", indent, "") <= 0) return 0;
 210         if(i2a_ASN1_STRING(out, nonce, V_ASN1_OCTET_STRING) <= 0) return 0;
 211         return 1;
 212 }
 213
 214 /* Nocheck is just a single NULL. Don't print anything and always set it */
 215
 216 static int i2r_ocsp_nocheck(X509V3_EXT_METHOD *method, void *nocheck, BIO *out, int indent)
 217 {
 218         return 1;
 219 }
 220
 221 static void *s2i_ocsp_nocheck(X509V3_EXT_METHOD *method, X509V3_CTX *ctx, char *str)
 222 {
 223         return ASN1_NULL_new();
 224 }
 225
 226 static int i2r_ocsp_serviceloc(X509V3_EXT_METHOD *method, void *in, BIO *bp, int ind)
 227         {
 228         int i;
 229         OCSP_SERVICELOC *a = in;
 230         ACCESS_DESCRIPTION *ad;
 231
 232         if (BIO_printf(bp, "%*sIssuer: ", ind, "") <= 0) goto err;
 233         if (X509_NAME_print_ex(bp, a->issuer, 0, XN_FLAG_ONELINE) <= 0) goto err;
 234         for (i = 0; i < sk_ACCESS_DESCRIPTION_num(a->locator); i++)
 235                 {
 236                                 ad = sk_ACCESS_DESCRIPTION_value(a->locator,i);
 237                                 if (BIO_printf(bp, "\n%*s", (2*ind), "") <= 0)
 238                                         goto err;
 239                                 if(i2a_ASN1_OBJECT(bp, ad->method) <= 0) goto err;
 240                                 if(BIO_puts(bp, " - ") <= 0) goto err;
 241                                 if(GENERAL_NAME_print(bp, ad->location) <= 0) goto err;
 242                 }
 243         return 1;
 244 err:
 245         return 0;
 246         }