crypto/openssl-0.9/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 #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(X509V3_EXT_METHOD *method, void *nonce, BIO *out, int indent);
  72 static int i2r_ocsp_acutoff(X509V3_EXT_METHOD *method, void *nonce, BIO *out, int indent);
  73 static int i2r_object(X509V3_EXT_METHOD *method, void *obj, BIO *out, int indent);
  74
  75 static void *ocsp_nonce_new(void);
  76 static int i2d_ocsp_nonce(void *a, unsigned char **pp);
  77 static void *d2i_ocsp_nonce(void *a, const unsigned char **pp, long length);
  78 static void ocsp_nonce_free(void *a);
  79 static int i2r_ocsp_nonce(X509V3_EXT_METHOD *method, void *nonce, BIO *out, int indent);
  80
  81 static int i2r_ocsp_nocheck(X509V3_EXT_METHOD *method, void *nocheck, BIO *out, int indent);
  82 static void *s2i_ocsp_nocheck(X509V3_EXT_METHOD *method, X509V3_CTX *ctx, const char *str);
  83 static int i2r_ocsp_serviceloc(X509V3_EXT_METHOD *method, void *in, BIO *bp, int ind);
  84
  85 const X509V3_EXT_METHOD v3_ocsp_crlid = {
  86         NID_id_pkix_OCSP_CrlID, 0, ASN1_ITEM_ref(OCSP_CRLID),
  87         0,0,0,0,
  88         0,0,
  89         0,0,
  90         i2r_ocsp_crlid,0,
  91         NULL
  92 };
  93
  94 const X509V3_EXT_METHOD v3_ocsp_acutoff = {
  95         NID_id_pkix_OCSP_archiveCutoff, 0, ASN1_ITEM_ref(ASN1_GENERALIZEDTIME),
  96         0,0,0,0,
  97         0,0,
  98         0,0,
  99         i2r_ocsp_acutoff,0,
 100         NULL
 101 };
 102
 103 const X509V3_EXT_METHOD v3_crl_invdate = {
 104         NID_invalidity_date, 0, ASN1_ITEM_ref(ASN1_GENERALIZEDTIME),
 105         0,0,0,0,
 106         0,0,
 107         0,0,
 108         i2r_ocsp_acutoff,0,
 109         NULL
 110 };
 111
 112 const X509V3_EXT_METHOD v3_crl_hold = {
 113         NID_hold_instruction_code, 0, ASN1_ITEM_ref(ASN1_OBJECT),
 114         0,0,0,0,
 115         0,0,
 116         0,0,
 117         i2r_object,0,
 118         NULL
 119 };
 120
 121 const X509V3_EXT_METHOD v3_ocsp_nonce = {
 122         NID_id_pkix_OCSP_Nonce, 0, NULL,
 123         ocsp_nonce_new,
 124         ocsp_nonce_free,
 125         d2i_ocsp_nonce,
 126         i2d_ocsp_nonce,
 127         0,0,
 128         0,0,
 129         i2r_ocsp_nonce,0,
 130         NULL
 131 };
 132
 133 const X509V3_EXT_METHOD v3_ocsp_nocheck = {
 134         NID_id_pkix_OCSP_noCheck, 0, ASN1_ITEM_ref(ASN1_NULL),
 135         0,0,0,0,
 136         0,s2i_ocsp_nocheck,
 137         0,0,
 138         i2r_ocsp_nocheck,0,
 139         NULL
 140 };
 141
 142 const X509V3_EXT_METHOD v3_ocsp_serviceloc = {
 143         NID_id_pkix_OCSP_serviceLocator, 0, ASN1_ITEM_ref(OCSP_SERVICELOC),
 144         0,0,0,0,
 145         0,0,
 146         0,0,
 147         i2r_ocsp_serviceloc,0,
 148         NULL
 149 };
 150
 151 static int i2r_ocsp_crlid(X509V3_EXT_METHOD *method, void *in, BIO *bp, int ind)
 152 {
 153         OCSP_CRLID *a = in;
 154         if (a->crlUrl)
 155                 {
 156                 if (!BIO_printf(bp, "%*scrlUrl: ", ind, "")) goto err;
 157                 if (!ASN1_STRING_print(bp, (ASN1_STRING*)a->crlUrl)) goto err;
 158                 if (!BIO_write(bp, "\n", 1)) goto err;
 159                 }
 160         if (a->crlNum)
 161                 {
 162                 if (!BIO_printf(bp, "%*scrlNum: ", ind, "")) goto err;
 163                 if (!i2a_ASN1_INTEGER(bp, a->crlNum)) goto err;
 164                 if (!BIO_write(bp, "\n", 1)) goto err;
 165                 }
 166         if (a->crlTime)
 167                 {
 168                 if (!BIO_printf(bp, "%*scrlTime: ", ind, "")) goto err;
 169                 if (!ASN1_GENERALIZEDTIME_print(bp, a->crlTime)) goto err;
 170                 if (!BIO_write(bp, "\n", 1)) goto err;
 171                 }
 172         return 1;
 173         err:
 174         return 0;
 175 }
 176
 177 static int i2r_ocsp_acutoff(X509V3_EXT_METHOD *method, void *cutoff, BIO *bp, int ind)
 178 {
 179         if (!BIO_printf(bp, "%*s", ind, "")) return 0;
 180         if(!ASN1_GENERALIZEDTIME_print(bp, cutoff)) return 0;
 181         return 1;
 182 }
 183
 184
 185 static int i2r_object(X509V3_EXT_METHOD *method, void *oid, BIO *bp, int ind)
 186 {
 187         if (!BIO_printf(bp, "%*s", ind, "")) return 0;
 188         if(!i2a_ASN1_OBJECT(bp, oid)) return 0;
 189         return 1;
 190 }
 191
 192 /* OCSP nonce. This is needs special treatment because it doesn't have
 193  * an ASN1 encoding at all: it just contains arbitrary data.
 194  */
 195
 196 static void *ocsp_nonce_new(void)
 197 {
 198         return ASN1_OCTET_STRING_new();
 199 }
 200
 201 static int i2d_ocsp_nonce(void *a, unsigned char **pp)
 202 {
 203         ASN1_OCTET_STRING *os = a;
 204         if(pp) {
 205                 memcpy(*pp, os->data, os->length);
 206                 *pp += os->length;
 207         }
 208         return os->length;
 209 }
 210
 211 static void *d2i_ocsp_nonce(void *a, const unsigned char **pp, long length)
 212 {
 213         ASN1_OCTET_STRING *os, **pos;
 214         pos = a;
 215         if(!pos || !*pos) os = ASN1_OCTET_STRING_new();
 216         else os = *pos;
 217         if(!ASN1_OCTET_STRING_set(os, *pp, length)) goto err;
 218
 219         *pp += length;
 220
 221         if(pos) *pos = os;
 222         return os;
 223
 224         err:
 225         if(os && (!pos || (*pos != os))) M_ASN1_OCTET_STRING_free(os);
 226         OCSPerr(OCSP_F_D2I_OCSP_NONCE, ERR_R_MALLOC_FAILURE);
 227         return NULL;
 228 }
 229
 230 static void ocsp_nonce_free(void *a)
 231 {
 232         M_ASN1_OCTET_STRING_free(a);
 233 }
 234
 235 static int i2r_ocsp_nonce(X509V3_EXT_METHOD *method, void *nonce, BIO *out, int indent)
 236 {
 237         if(BIO_printf(out, "%*s", indent, "") <= 0) return 0;
 238         if(i2a_ASN1_STRING(out, nonce, V_ASN1_OCTET_STRING) <= 0) return 0;
 239         return 1;
 240 }
 241
 242 /* Nocheck is just a single NULL. Don't print anything and always set it */
 243
 244 static int i2r_ocsp_nocheck(X509V3_EXT_METHOD *method, void *nocheck, BIO *out, int indent)
 245 {
 246         return 1;
 247 }
 248
 249 static void *s2i_ocsp_nocheck(X509V3_EXT_METHOD *method, X509V3_CTX *ctx, const char *str)
 250 {
 251         return ASN1_NULL_new();
 252 }
 253
 254 static int i2r_ocsp_serviceloc(X509V3_EXT_METHOD *method, void *in, BIO *bp, int ind)
 255         {
 256         int i;
 257         OCSP_SERVICELOC *a = in;
 258         ACCESS_DESCRIPTION *ad;
 259
 260         if (BIO_printf(bp, "%*sIssuer: ", ind, "") <= 0) goto err;
 261         if (X509_NAME_print_ex(bp, a->issuer, 0, XN_FLAG_ONELINE) <= 0) goto err;
 262         for (i = 0; i < sk_ACCESS_DESCRIPTION_num(a->locator); i++)
 263                 {
 264                                 ad = sk_ACCESS_DESCRIPTION_value(a->locator,i);
 265                                 if (BIO_printf(bp, "\n%*s", (2*ind), "") <= 0)
 266                                         goto err;
 267                                 if(i2a_ASN1_OBJECT(bp, ad->method) <= 0) goto err;
 268                                 if(BIO_puts(bp, " - ") <= 0) goto err;
 269                                 if(GENERAL_NAME_print(bp, ad->location) <= 0) goto err;
 270                 }
 271         return 1;
 272 err:
 273         return 0;
 274         }
 275 #endif