Home | History | Annotate | Download | only in x509v3
      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