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