1 /* v3_ocsp.c */ 2 /* Written by Dr Stephen N Henson (steve (at) 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 (at) 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 (at) cryptsoft.com). This product includes software written by Tim 55 * Hudson (tjh (at) 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 290