Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 1 | /* v3_ocsp.c */ |
| 2 | /* Written by Dr Stephen N Henson (steve@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@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(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 |