Security-55163.44.tar.gz

[apple/security.git] / sec / Security / SecIdentity.c

diff --git a/sec/Security/SecIdentity.c b/sec/Security/SecIdentity.c
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+++ b/sec/Security/SecIdentity.c
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+/*
+ * Copyright (c) 2002-2004,2007-2008,2010 Apple 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@
+ */
+
+/*
+ *  SecIdentity.c - CoreFoundation based object containing a
+ *  private key, certificate tuple.
+ */
+
+
+#include <Security/SecIdentity.h>
+
+#include <CoreFoundation/CFRuntime.h>
+#include <CoreFoundation/CFString.h>
+#include <Security/SecCertificate.h>
+#include <Security/SecKey.h>
+#include <pthread.h>
+#include "SecIdentityPriv.h"
+#include <Security/SecInternal.h>
+
+struct __SecIdentity {
+    CFRuntimeBase              _base;
+
+       SecCertificateRef       _certificate;
+       SecKeyRef                       _privateKey;
+};
+
+
+/* CFRuntime regsitration data. */
+static pthread_once_t kSecIdentityRegisterClass = PTHREAD_ONCE_INIT;
+static CFTypeID kSecIdentityTypeID = _kCFRuntimeNotATypeID;
+
+/* Forward declartions of static functions. */
+static CFStringRef SecIdentityDescribe(CFTypeRef cf);
+static void SecIdentityDestroy(CFTypeRef cf);
+
+/* Static functions. */
+static CFStringRef SecIdentityDescribe(CFTypeRef cf) {
+    SecIdentityRef identity = (SecIdentityRef)cf;
+    return CFStringCreateWithFormat(kCFAllocatorDefault, NULL,
+        CFSTR("<SecIdentityRef: %p>"), identity);
+}
+
+static void SecIdentityDestroy(CFTypeRef cf) {
+    SecIdentityRef identity = (SecIdentityRef)cf;
+       CFReleaseSafe(identity->_certificate);
+       CFReleaseSafe(identity->_privateKey);
+}
+
+static Boolean SecIdentityEqual(CFTypeRef cf1, CFTypeRef cf2) {
+    SecIdentityRef identity1 = (SecIdentityRef)cf1;
+    SecIdentityRef identity2 = (SecIdentityRef)cf2;
+    if (identity1 == identity2)
+        return true;
+    if (!identity2)
+        return false;
+    return CFEqual(identity1->_certificate, identity2->_certificate) &&
+               CFEqual(identity1->_privateKey, identity2->_privateKey);
+}
+
+/* Hash of identity is hash of certificate plus hash of key. */
+static CFHashCode SecIdentityHash(CFTypeRef cf) {
+    SecIdentityRef identity = (SecIdentityRef)cf;
+       return CFHash(identity->_certificate) + CFHash(identity->_privateKey);
+}
+
+static void SecIdentityRegisterClass(void) {
+       static const CFRuntimeClass kSecIdentityClass = {
+               0,                                                                                              /* version */
+        "SecIdentity",                                                                 /* class name */
+               NULL,                                                                                   /* init */
+               NULL,                                                                                   /* copy */
+               SecIdentityDestroy,                                                             /* dealloc */
+               SecIdentityEqual,                                                               /* equal */
+               SecIdentityHash,                                                                /* hash */
+               NULL,                                                                                   /* copyFormattingDesc */
+               SecIdentityDescribe                                                             /* copyDebugDesc */
+       };
+
+    kSecIdentityTypeID = _CFRuntimeRegisterClass(&kSecIdentityClass);
+}
+
+
+/* Public API functions. */
+CFTypeID SecIdentityGetTypeID(void) {
+    pthread_once(&kSecIdentityRegisterClass, SecIdentityRegisterClass);
+    return kSecIdentityTypeID;
+}
+
+OSStatus SecIdentityCopyCertificate(SecIdentityRef identity,
+       SecCertificateRef *certificateRef) {
+       *certificateRef = identity->_certificate;
+       CFRetain(*certificateRef);
+       return 0;
+}
+
+OSStatus SecIdentityCopyPrivateKey(SecIdentityRef identity, 
+       SecKeyRef *privateKeyRef) {
+       *privateKeyRef = identity->_privateKey;
+       CFRetain(*privateKeyRef);
+       return 0;
+}
+
+SecIdentityRef SecIdentityCreate(CFAllocatorRef allocator,
+       SecCertificateRef certificate, SecKeyRef privateKey) {
+    CFIndex size = sizeof(struct __SecIdentity);
+    SecIdentityRef result = (SecIdentityRef)_CFRuntimeCreateInstance(
+               allocator, SecIdentityGetTypeID(), size - sizeof(CFRuntimeBase), 0);
+       if (result) {
+               CFRetain(certificate);
+               CFRetain(privateKey);
+               result->_certificate = certificate;
+               result->_privateKey = privateKey;
+    }
+    return result;
+}
+