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 71static int i2r_ocsp_crlid(X509V3_EXT_METHOD *method, void *nonce, BIO *out, int indent); 72static int i2r_ocsp_acutoff(X509V3_EXT_METHOD *method, void *nonce, BIO *out, int indent); 73static int i2r_object(X509V3_EXT_METHOD *method, void *obj, BIO *out, int indent); 74 75static void *ocsp_nonce_new(void); 76static int i2d_ocsp_nonce(void *a, unsigned char **pp); 77static void *d2i_ocsp_nonce(void *a, const unsigned char **pp, long length); 78static void ocsp_nonce_free(void *a); 79static int i2r_ocsp_nonce(X509V3_EXT_METHOD *method, void *nonce, BIO *out, int indent); 80 81static int i2r_ocsp_nocheck(X509V3_EXT_METHOD *method, void *nocheck, BIO *out, int indent); 82static void *s2i_ocsp_nocheck(X509V3_EXT_METHOD *method, X509V3_CTX *ctx, const char *str); 83static int i2r_ocsp_serviceloc(X509V3_EXT_METHOD *method, void *in, BIO *bp, int ind); 84 85const 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 94const 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 103const 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 112const 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 121const 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 133const 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 142const 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 151static 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 177static 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 185static 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 196static void *ocsp_nonce_new(void) 197{ 198 return ASN1_OCTET_STRING_new(); 199} 200 201static 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 211static 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 230static void ocsp_nonce_free(void *a) 231{ 232 M_ASN1_OCTET_STRING_free(a); 233} 234 235static 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 244static int i2r_ocsp_nocheck(X509V3_EXT_METHOD *method, void *nocheck, BIO *out, int indent) 245{ 246 return 1; 247} 248 249static void *s2i_ocsp_nocheck(X509V3_EXT_METHOD *method, X509V3_CTX *ctx, const char *str) 250{ 251 return ASN1_NULL_new(); 252} 253 254static 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; 272err: 273 return 0; 274 } 275#endif 276