-/*
- * Copyright (c) 2004 Apple Computer, Inc. All Rights Reserved.
- *
- * @APPLE_LICENSE_HEADER_START@
- *
- * This file contains Original Code and/or Modifications of Original Code
- * as defined in and that are subject to the Apple Public Source License
- * Version 2.0 (the 'License'). You may not use this file except in
- * compliance with the License. Please obtain a copy of the License at
- * http://www.opensource.apple.com/apsl/ and read it before using this
- * file.
- *
- * The Original Code and all software distributed under the License are
- * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
- * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
- * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
- * Please see the License for the specific language governing rights and
- * limitations under the License.
- *
- * @APPLE_LICENSE_HEADER_END@
- */
-
-/*
- * ocspExtensions.cpp - OCSP Extension support.
- */
-
-#include "ocspExtensions.h"
-#include "ocspdDebug.h"
-#include "ocspdUtils.h"
-#include <Security/oidscrl.h>
-#include <Security/cssmapple.h>
-#include <strings.h>
-#include "ocspdDebug.h"
-#include <security_cdsa_utilities/cssmerrors.h>
-
-#pragma mark ----- base class : OCSCExtension -----
-
-/*
- * Public means to vend a subclass of this object while decoding.
- */
-OCSPExtension *OCSPExtension::createFromNSS(
- SecAsn1CoderRef coder,
- const NSS_CertExtension &nssExt)
-{
- const CSSM_OID *extnId = &nssExt.extnId;
- if(ocspdCompareCssmData(extnId, &CSSMOID_PKIX_OCSP_NONCE)) {
- return new OCSPNonce(coder, nssExt);
- }
- /* more here */
- else {
- return new OCSPExtension(coder, nssExt, OET_Unknown);
- }
-}
-
-/*
- * Called in two circumstances:
- *
- * -- from subclass-specific constructor during decode
- * -- from createFromNSS (during decode) when we don't recognize the extension ID
- */
-OCSPExtension::OCSPExtension(
- SecAsn1CoderRef coder,
- const NSS_CertExtension &nssExt,
- OCSPExtensionTag tag)
- : mNssExt(const_cast<NSS_CertExtension *>(&nssExt)),
- mCoder(coder),
- mTag(tag),
- mUnrecognizedCritical(false)
-{
- if((nssExt.critical.Data != NULL) && (*nssExt.critical.Data != 0)) {
- mCritical = true;
- }
- else {
- mCritical = false;
- }
- if(mCritical && (tag == OET_Unknown)) {
- mUnrecognizedCritical = true;
- }
-}
-
-/*
- * Constructor during encode, called from subclass-specific constructorÊ(which
- * always has all of the subclass-specific arguments).
- */
-OCSPExtension::OCSPExtension(
- SecAsn1CoderRef coder, // passed to subclass constructor
- const CSSM_OID &extnId, // subclass knows this
- OCSPExtensionTag tag, // subclass knows this
- bool critical) // passed to subclass constructor
- : mNssExt(NULL), // we'll cook this up
- mCoder(coder),
- mCritical(critical),
- mTag(tag),
- mUnrecognizedCritical(false) // this is a tautology
-{
- mNssExt = (NSS_CertExtension *)SecAsn1Malloc(coder, sizeof(NSS_CertExtension));
- memset(mNssExt, 0, sizeof(NSS_CertExtension));
- SecAsn1AllocCopyItem(coder, &extnId, &mNssExt->extnId);
- /* alloc one byte for critical flag */
- SecAsn1AllocItem(coder, &mNssExt->critical, 1);
- mNssExt->critical.Data[0] = critical ? 0xff : 0;
-}
-
-OCSPExtension::~OCSPExtension()
-{
- /* nothing for now, need a virtual function for dynamic casts */
-}
-
-#pragma mark ---- Nonce -----
-
-/*
- * Public constructor on encode
- */
-OCSPNonce::OCSPNonce(
- SecAsn1CoderRef coder,
- bool critical,
- const CSSM_DATA &nonce)
- : OCSPExtension(coder, CSSMOID_PKIX_OCSP_NONCE, OET_Nonce, critical)
-{
- /*
- * They don't get much simpler than this: the nonce is the literal value
- * of NSS_CertExtension.value.
- */
- SecAsn1AllocCopyItem(coder, &nonce, &mNonce);
- setDerValue(mNonce);
-}
-
-/* construct during decode, called only by OCSPExtension::createFromNSS() */
-OCSPNonce::OCSPNonce(
- SecAsn1CoderRef coder,
- const NSS_CertExtension &nssExt)
- : OCSPExtension(coder, nssExt, OET_Nonce)
-{
- /* only subclass-specific stuff is the nonce, no further processing needed */
- SecAsn1AllocCopyItem(coder, &nssExt.value, &mNonce);
-}
-
-OCSPNonce::~OCSPNonce()
-{
- /* nothing for now, need a virtual function for dynamic casts */
-}
-
-#pragma mark ----- Extensions array -----
-
-OCSPExtensions::OCSPExtensions(
- NSS_CertExtension **nssExts)
- : mCoder(NULL), mNumExtensions(0), mExtensions(NULL)
-{
- SecAsn1CoderCreate(&mCoder);
- mNumExtensions = ocspdArraySize((const void **)nssExts);
- if(mNumExtensions == 0) {
- return;
- }
-
- mExtensions = (OCSPExtension **)SecAsn1Malloc(mCoder,
- (mNumExtensions * sizeof(OCSPExtension *)));
- for(unsigned dex=0; dex<mNumExtensions; dex++) {
- try {
- mExtensions[dex] =
- OCSPExtension::createFromNSS(mCoder, *nssExts[dex]);
- if(mExtensions[dex] == NULL) {
- ocspdErrorLog("OCSPExtensions: extension failure (NULL) dex %u\n", dex);
- CssmError::throwMe(CSSMERR_APPLETP_OCSP_BAD_RESPONSE);
- }
- if(mExtensions[dex]->unrecognizedCritical()) {
- ocspdErrorLog("OCSPExtensions: unrecognized critical extension\n");
- CssmError::throwMe(CSSMERR_APPLETP_OCSP_BAD_RESPONSE);
- }
- }
- catch (...) {
- ocspdErrorLog("OCSPExtensions: extension failure dex %u\n", dex);
- CssmError::throwMe(CSSMERR_APPLETP_OCSP_BAD_RESPONSE);
- }
- }
-}
-
-OCSPExtensions::~OCSPExtensions()
-{
- for(unsigned dex=0; dex<mNumExtensions; dex++) {
- delete mExtensions[dex];
- }
- if(mCoder) {
- SecAsn1CoderRelease(mCoder);
- }
-}
-
-/* find parsed extension in mExtensions with specified OID */
-OCSPExtension *OCSPExtensions::findExtension(
- const CSSM_OID &oid)
-{
- for(unsigned dex=0; dex<mNumExtensions; dex++) {
- const CSSM_OID &extnId = mExtensions[dex]->extnId();
- if(ocspdCompareCssmData(&oid, &extnId)) {
- return mExtensions[dex];
- }
- }
- return NULL;
-}
-
projects / apple / security.git / blobdiff