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