1/*
2 * Copyright (c) 2006 Apple Computer, Inc. All Rights Reserved.
3 *
4 * @APPLE_LICENSE_HEADER_START@
5 *
6 * This file contains Original Code and/or Modifications of Original Code
7 * as defined in and that are subject to the Apple Public Source License
8 * Version 2.0 (the 'License'). You may not use this file except in
9 * compliance with the License. Please obtain a copy of the License at
10 * http://www.opensource.apple.com/apsl/ and read it before using this
11 * file.
12 *
13 * The Original Code and all software distributed under the License are
14 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
15 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
16 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
18 * Please see the License for the specific language governing rights and
19 * limitations under the License.
20 *
21 * @APPLE_LICENSE_HEADER_END@
22 */
23
24#ifndef __DOWNLOAD_H__
25#define __DOWNLOAD_H__
26
27
28#include <Security/SecCmsContentInfo.h>
29#include <Security/SecCmsDecoder.h>
30#include <Security/SecCmsEncoder.h>
31#include <Security/SecCmsMessage.h>
32#include <Security/SecCmsSignedData.h>
33#include <Security/SecCmsSignerInfo.h>
34#include <Security/SecTrustPriv.h>
35#include <Security/SecCertificatePriv.h>
36#include <CommonCrypto/CommonDigest.h>
37
38#include "SecureDownload.h"
39
40typedef u_int8_t Sha256Digest[CC_SHA256_DIGEST_LENGTH];
41
42struct OpaqueSecureDownload
43{
44};
45
46
47class Download : public OpaqueSecureDownload
48{
49protected:
50	CFDictionaryRef mDict;
51	CFArrayRef mURLs;
52	CFStringRef mName;
53	CFDateRef mDate;
54	CFDataRef mHashes;
55	CFIndex mNumHashes, mCurrentHash;
56	Sha256Digest mCurrentDigest, *mDigests; // mDigests points to the data member of mHashes
57	CFIndex mBytesInCurrentDigest;
58	CC_SHA256_CTX mSHA256Context;
59
60	SInt64 mDownloadSize;
61	ssize_t mSectorSize;
62
63	SecCmsMessageRef GetCmsMessageFromData (CFDataRef data);
64	void ParseTicket (CFDataRef ticket);
65	SecPolicyRef GetPolicy ();
66	void FinalizeDigestAndCompare ();
67	void GoOrNoGo (SecTrustResultType result);
68
69public:
70
71	Download ();
72	virtual ~Download ();
73	void Initialize (CFDataRef data,
74					 SecureDownloadTrustSetupCallback setup,
75					 void* setupContext,
76					 SecureDownloadTrustEvaluateCallback evaluate,
77					 void* evaluateContext);
78	CFArrayRef CopyURLs ();
79	CFStringRef CopyName ();
80	CFDateRef CopyDate ();
81	SInt64 GetDownloadSize () {return mDownloadSize;}
82	void UpdateWithData (CFDataRef data);
83	void Finalize ();
84};
85
86
87
88#endif
89