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openssl/crypto/ocsp/ocsp_ext.c
Richard Levitte 820aaa5fc5 Typo, was "time" instead of "tim". 
Caught by Jeffrey Altman <jaltman@columbia.edu>
2000-11-14 10:52:16 +00:00

350 lines
11 KiB
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/* ocsp_ext.c */
/* Written by Tom Titchener <Tom_Titchener@groove.net> for the OpenSSL
* project. */
/* History:
This file was transfered to Richard Levitte from CertCo by Kathy
Weinhold in mid-spring 2000 to be included in OpenSSL or released
as a patch kit. */
/* ====================================================================
* Copyright (c) 1998-2000 The OpenSSL Project. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* 3. All advertising materials mentioning features or use of this
* software must display the following acknowledgment:
* "This product includes software developed by the OpenSSL Project
* for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
*
* 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
* endorse or promote products derived from this software without
* prior written permission. For written permission, please contact
* openssl-core@openssl.org.
*
* 5. Products derived from this software may not be called "OpenSSL"
* nor may "OpenSSL" appear in their names without prior written
* permission of the OpenSSL Project.
*
* 6. Redistributions of any form whatsoever must retain the following
* acknowledgment:
* "This product includes software developed by the OpenSSL Project
* for use in the OpenSSL Toolkit (http://www.openssl.org/)"
*
* THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
* EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
* OF THE POSSIBILITY OF SUCH DAMAGE.
* ====================================================================
*
* This product includes cryptographic software written by Eric Young
* (eay@cryptsoft.com). This product includes software written by Tim
* Hudson (tjh@cryptsoft.com).
*
*/
#include <stdio.h>
#include <cryptlib.h>
#include <openssl/objects.h>
#include <openssl/asn1_mac.h>
#include <openssl/x509.h>
#include <openssl/ocsp.h>
#include <openssl/x509v3.h>
/* Make sure we work well with older variants of OpenSSL */
#ifndef OPENSSL_malloc
#define OPENSSL_malloc Malloc
#endif
#ifndef OPENSSL_realloc
#define OPENSSL_realloc Realloc
#endif
#ifndef OPENSSL_free
#define OPENSSL_free Free
#endif
/* also CRL Entry Extensions */
ASN1_STRING *ASN1_STRING_encode(ASN1_STRING *s, int (*i2d)(),
char *data, STACK_OF(ASN1_OBJECT) *sk)
{
int i;
unsigned char *p, *b = NULL;
if (data)
{
if ((i=i2d(data,NULL)) <= 0) goto err;
if (!(b=p=(unsigned char*)OPENSSL_malloc((unsigned int)i)))
goto err;
if (i2d(data, &p) <= 0) goto err;
}
else if (sk)
{
if ((i=i2d_ASN1_SET_OF_ASN1_OBJECT(sk,NULL,i2d,V_ASN1_SEQUENCE,
V_ASN1_UNIVERSAL,IS_SEQUENCE))<=0) goto err;
if (!(b=p=(unsigned char*)OPENSSL_malloc((unsigned int)i)))
goto err;
if (i2d_ASN1_SET_OF_ASN1_OBJECT(sk,&p,i2d,V_ASN1_SEQUENCE,
V_ASN1_UNIVERSAL,IS_SEQUENCE)<=0) goto err;
}
else
{
OCSPerr(OCSP_F_ASN1_STRING_ENCODE,OCSP_R_BAD_DATA);
goto err;
}
if (!s && !(s = ASN1_STRING_new())) goto err;
if (!(ASN1_STRING_set(s, b, i))) goto err;
OPENSSL_free(b);
return s;
err:
if (b) OPENSSL_free(b);
return NULL;
}
X509_EXTENSION *OCSP_nonce_new(void *p, unsigned int len)
{
X509_EXTENSION *x=NULL;
if (!(x = X509_EXTENSION_new())) goto err;
if (!(x->object = OBJ_nid2obj(NID_id_pkix_OCSP_Nonce))) goto err;
if (!(ASN1_OCTET_STRING_set(x->value, p, len))) goto err;
return x;
err:
if (x) X509_EXTENSION_free(x);
return NULL;
}
X509_EXTENSION *OCSP_crlID_new(char *url, long *n, char *tim)
{
X509_EXTENSION *x = NULL;
OCSP_CRLID *cid = NULL;
if (!(cid = OCSP_CRLID_new())) goto err;
if (url)
{
if (!(cid->crlUrl = ASN1_IA5STRING_new())) goto err;
if (!(ASN1_STRING_set(cid->crlUrl, url, -1))) goto err;
}
if (n)
{
if (!(cid->crlNum = ASN1_INTEGER_new())) goto err;
if (!(ASN1_INTEGER_set(cid->crlNum, *n))) goto err;
}
if (tim)
{
if (!(cid->crlTime = ASN1_GENERALIZEDTIME_new())) goto err;
if (!(ASN1_GENERALIZEDTIME_set_string(cid->crlTime, tim)))
goto err;
}
if (!(x = X509_EXTENSION_new())) goto err;
if (!(x->object = OBJ_nid2obj(NID_id_pkix_OCSP_CrlID))) goto err;
if (!(ASN1_STRING_encode(x->value,i2d_OCSP_CRLID,(char*)cid,NULL)))
goto err;
OCSP_CRLID_free(cid);
return x;
err:
if (x) X509_EXTENSION_free(x);
if (cid) OCSP_CRLID_free(cid);
return NULL;
}
/* AcceptableResponses ::= SEQUENCE OF OBJECT IDENTIFIER */
X509_EXTENSION *OCSP_accept_responses_new(char **oids)
{
int nid;
STACK_OF(ASN1_OBJECT) *sk = NULL;
ASN1_OBJECT *o = NULL;
X509_EXTENSION *x = NULL;
if (!(sk = sk_ASN1_OBJECT_new(NULL))) goto err;
while (oids && *oids)
{
if ((nid=OBJ_txt2nid(*oids))!=NID_undef&&(o=OBJ_nid2obj(nid)))
sk_ASN1_OBJECT_push(sk, o);
oids++;
}
if (!(x = X509_EXTENSION_new())) goto err;
if (!(x->object = OBJ_nid2obj(NID_id_pkix_OCSP_acceptableResponses)))
goto err;
if (!(ASN1_STRING_encode(x->value,i2d_ASN1_OBJECT,NULL,sk)))
goto err;
sk_ASN1_OBJECT_pop_free(sk, ASN1_OBJECT_free);
return x;
err:
if (x) X509_EXTENSION_free(x);
if (sk) sk_ASN1_OBJECT_pop_free(sk, ASN1_OBJECT_free);
return NULL;
}
/* ArchiveCutoff ::= GeneralizedTime */
X509_EXTENSION *OCSP_archive_cutoff_new(char* tim)
{
X509_EXTENSION *x=NULL;
ASN1_GENERALIZEDTIME *gt = NULL;
if (!(gt = ASN1_GENERALIZEDTIME_new())) goto err;
if (!(ASN1_GENERALIZEDTIME_set_string(gt, tim))) goto err;
if (!(x = X509_EXTENSION_new())) goto err;
if (!(x->object=OBJ_nid2obj(NID_id_pkix_OCSP_archiveCutoff)))goto err;
if (!(ASN1_STRING_encode(x->value,i2d_ASN1_GENERALIZEDTIME,
(char*)gt,NULL))) goto err;
ASN1_GENERALIZEDTIME_free(gt);
return x;
err:
if (gt) ASN1_GENERALIZEDTIME_free(gt);
if (x) X509_EXTENSION_free(x);
return NULL;
}
/* per ACCESS_DESCRIPTION parameter are oids, of which there are currently
* two--NID_ad_ocsp, NID_id_ad_caIssuers--and GeneralName value. This
* method forces NID_ad_ocsp and uniformResourceLocator [6] IA5String.
*/
X509_EXTENSION *OCSP_url_svcloc_new(X509_NAME* issuer, char **urls)
{
X509_EXTENSION *x = NULL;
ASN1_IA5STRING *ia5 = NULL;
OCSP_SERVICELOC *sloc = NULL;
ACCESS_DESCRIPTION *ad = NULL;
if (!(sloc = OCSP_SERVICELOC_new())) goto err;
if (!(sloc->issuer = X509_NAME_dup(issuer))) goto err;
if (urls && *urls && !(sloc->locator = sk_ACCESS_DESCRIPTION_new(NULL))) goto err;
while (urls && *urls)
{
if (!(ad = ACCESS_DESCRIPTION_new())) goto err;
if (!(ad->method=OBJ_nid2obj(NID_ad_OCSP))) goto err;
if (!(ad->location = GENERAL_NAME_new())) goto err;
if (!(ia5 = ASN1_IA5STRING_new())) goto err;
if (!ASN1_STRING_set((ASN1_STRING*)ia5, *urls, -1)) goto err;
ad->location->type = GEN_URI;
ad->location->d.ia5 = ia5;
if (!sk_ACCESS_DESCRIPTION_push(sloc->locator, ad)) goto err;
urls++;
}
if (!(x = X509_EXTENSION_new())) goto err;
if (!(x->object = OBJ_nid2obj(NID_id_pkix_OCSP_serviceLocator)))
goto err;
if (!(ASN1_STRING_encode(x->value, i2d_OCSP_SERVICELOC,
(char*)sloc, NULL))) goto err;
OCSP_SERVICELOC_free(sloc);
return x;
err:
if (x) X509_EXTENSION_free(x);
if (sloc) OCSP_SERVICELOC_free(sloc);
return NULL;
}
int OCSP_extensions_print(BIO *bp,
STACK_OF(X509_EXTENSION) *sk,
char *title)
{
int i;
if (!sk) return 1;
if (BIO_printf(bp, "%s:\n", title) <= 0) return 0;
for (i=0; i<sk_X509_EXTENSION_num(sk); i++)
OCSP_extension_print(bp, sk_X509_EXTENSION_value(sk,i), 4);
return sk_X509_EXTENSION_num(sk);
}
int OCSP_extension_print(BIO *bp,
X509_EXTENSION *x,
int ind)
{
int i, j;
STACK_OF(ASN1_OBJECT) *sk = NULL;
unsigned char *p;
OCSP_CRLID *crlid = NULL;
OCSP_SERVICELOC *sloc = NULL;
ASN1_GENERALIZEDTIME *gt = NULL;
if (!x) return 1;
switch (OBJ_obj2nid(x->object))
{
case NID_id_pkix_OCSP_Nonce:
if (BIO_printf(bp, "%*snonce: ", ind, "") <= 0)
goto err;
if (M_ASN1_OCTET_STRING_print(bp, x->value) <= 0)
goto err;
if (BIO_write(bp, "\n", 1) <= 0) goto err;
break;
case NID_id_pkix_OCSP_CrlID:
if (BIO_printf(bp, "%*scrlId:\n", ind, "") <= 0)
goto err;
p = x->value->data;
if (!(d2i_OCSP_CRLID(&crlid, &p, x->value->length)))
goto err;
if (!OCSP_CRLID_print(bp, crlid, (2*ind))) goto err;
OCSP_CRLID_free(crlid);
break;
case NID_id_pkix_OCSP_acceptableResponses:
if (BIO_printf(bp,
"%*sacceptable responses: ",
ind, "") <= 0)
goto err;
p = x->value->data;
if (!(d2i_ASN1_SET_OF_ASN1_OBJECT(&sk, &p, x->value->length,
d2i_ASN1_OBJECT,
ASN1_OBJECT_free,
V_ASN1_SEQUENCE,
V_ASN1_UNIVERSAL)))
goto err;
for (i = 0; i < sk_ASN1_OBJECT_num(sk); i++)
{
j=OBJ_obj2nid(sk_ASN1_OBJECT_value(sk,i));
if (BIO_printf(bp," %s ",
(j == NID_undef)?"UNKNOWN":
OBJ_nid2ln(j)) <= 0)
goto err;
}
if (BIO_write(bp, "\n", 1) <= 0) goto err;
sk_ASN1_OBJECT_pop_free(sk, ASN1_OBJECT_free);
break;
case NID_id_pkix_OCSP_archiveCutoff:
if (BIO_printf(bp, "%*sarchive cutoff: ", ind, "")<=0)
goto err;
p = x->value->data;
if (!d2i_ASN1_GENERALIZEDTIME(&gt, &p,
x->value->length))
goto err;
if (!ASN1_GENERALIZEDTIME_print(bp, gt)) goto err;
if (BIO_write(bp, "\n", 1) <= 0) goto err;
ASN1_GENERALIZEDTIME_free(gt);
break;
case NID_id_pkix_OCSP_serviceLocator:
if (BIO_printf(bp, "%*sservice locator:\n", ind, "") <= 0)
goto err;
p = x->value->data;
if (!d2i_OCSP_SERVICELOC(&sloc, &p,
x->value->length))
goto err;
if (!OCSP_SERVICELOC_print(bp,sloc,(2*ind))) goto err;
OCSP_SERVICELOC_free(sloc);
break;
case NID_undef:
default:
if (BIO_printf(bp,"%*sunrecognized oid: ",ind,"") <= 0)
goto err;
break;
}
return 1;
err:
return 0;
}
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