+++ /dev/null
-/*
- * Copyright (c) 2004-2005 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@
- */
-
-/*
- * identSearch.cpp - search for identity whose cert has specified email address
- */
-
-#include "identSearch.h"
-#include <Security/SecKeychainItemPriv.h> /* for kSecAlias */
-
-/*
- * Does the specified identity's cert have the specified email address? Returns
- * true if so.
- */
-bool idHasEmail(
- SecIdentityRef idRef,
- const void *emailAddress, // UTF8 encoded email address
- unsigned emailAddressLen)
-{
- SecCertificateRef certRef;
- OSStatus ortn;
- bool ourRtn = false;
-
- ortn = SecIdentityCopyCertificate(idRef, &certRef);
- if(ortn) {
- /* should never happen */
- cssmPerror("SecIdentityCopyCertificate", ortn);
- return ortn;
- }
-
- /*
- * Fetch one attribute - the alias (which is always the "best attempt" at
- * finding an email address within a cert).
- */
- UInt32 oneTag = kSecAlias;
- SecKeychainAttributeInfo attrInfo;
- attrInfo.count = 1;
- attrInfo.tag = &oneTag;
- attrInfo.format = NULL;
- SecKeychainAttributeList *attrList = NULL;
- SecKeychainAttribute *attr = NULL;
-
- ortn = SecKeychainItemCopyAttributesAndData((SecKeychainItemRef)certRef,
- &attrInfo,
- NULL, // itemClass
- &attrList,
- NULL, // length - don't need the data
- NULL); // outData
- if(ortn || (attrList == NULL) || (attrList->count != 1)) {
- /* I don't *think* this should ever happen... */
- cssmPerror("SecKeychainItemCopyAttributesAndData", ortn);
- goto errOut;
- }
- attr = attrList->attr;
- if(attr->length == emailAddressLen) {
- if(!memcmp(attr->data, emailAddress, emailAddressLen)) {
- ourRtn = true;
- }
- }
-errOut:
- SecKeychainItemFreeAttributesAndData(attrList, NULL);
- CFRelease(certRef);
- return ourRtn;
-}
-
-/* public function */
-OSStatus findIdentity(
- const void *emailAddress, // UTF8 encoded email address
- unsigned emailAddressLen,
- SecKeychainRef kcRef, // keychain to search, or NULL to search all
- SecIdentityRef *idRef) // RETURNED
-{
- OSStatus ortn;
-
- /* Search for all identities */
- SecIdentitySearchRef srchRef = nil;
- ortn = SecIdentitySearchCreate(kcRef,
- 0, // keyUsage - any
- &srchRef);
- if(ortn) {
- /* should never happen */
- cssmPerror("SecIdentitySearchCreate", ortn);
- return ortn;
- }
-
- SecIdentityRef foundId = NULL;
- do {
- SecIdentityRef thisId;
- ortn = SecIdentitySearchCopyNext(srchRef, &thisId);
- if(ortn != noErr) {
- break;
- }
- /* email addres match? */
- if(idHasEmail(thisId, emailAddress, emailAddressLen)) {
- foundId = thisId;
- break;
- }
- else {
- /* we're done with thie identity */
- CFRelease(thisId);
- }
- } while(ortn == noErr);
- CFRelease(srchRef);
- if(foundId) {
- *idRef = foundId;
- return noErr;
- }
- else {
- return errSecItemNotFound;
- }
-}
-