1  /*
  2   * Copyright (c) 2004,2011,2013-2014 Apple 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  #include <Security/Security.h>
 25  #include <security_utilities/security_utilities.h>
 26  #include <security_cdsa_utilities/cssmbridge.h>
 27  #include <../../base/SecBase.h>
 28  #include "Download.h"
 29  #include "SecureDownload.h"
 30  
 31  
 32  #define API_BEGIN \
 33  	try {
 34  
 35  #define API_END \
 36  	} \
 37  	catch (const MacOSError &err) { return err.osStatus(); } \
 38  	catch (const std::bad_alloc &) { return errSecAllocate; } \
 39  	catch (...) { return errSecInternalComponent; } \
 40      return errSecSuccess;
 41  
 42  #define API_END_GENERIC_CATCH		} catch (...) { return; }
 43  
 44  #define API_END_ERROR_CATCH(bad)	} catch (...) { return bad; }
 45  
 46  
 47  
 48  OSStatus SecureDownloadCreateWithTicket (CFDataRef ticket,
 49  										 SecureDownloadTrustSetupCallback setup,
 50  										 void* setupContext,
 51  										 SecureDownloadTrustEvaluateCallback evaluate,
 52  										 void* evaluateContext,
 53  										 SecureDownloadRef* downloadRef)
 54  {
 55  	API_BEGIN
 56  	
 57  	Download* sd = new Download ();
 58  	sd->Initialize (ticket, setup, setupContext, evaluate, evaluateContext);
 59  	Required (downloadRef) = sd;
 60  
 61  	API_END
 62  }
 63  
 64  
 65  
 66  OSStatus SecureDownloadCopyURLs (SecureDownloadRef downloadRef, CFArrayRef* urls)
 67  {
 68  	API_BEGIN
 69  
 70  	Required (downloadRef);
 71  	Download* d = (Download*) downloadRef;
 72  	Required (urls) = d->CopyURLs ();
 73  
 74  	API_END
 75  }
 76  
 77  
 78  
 79  OSStatus SecureDownloadCopyName (SecureDownloadRef downloadRef, CFStringRef* name)
 80  {
 81  	API_BEGIN
 82  
 83  	Required (downloadRef);
 84  	Download* d = (Download*) downloadRef;
 85  	Required (name) = d->CopyName ();
 86  
 87  	API_END
 88  }
 89  
 90  
 91  
 92  OSStatus SecureDownloadCopyCreationDate (SecureDownloadRef downloadRef, CFDateRef* date)
 93  {
 94  	API_BEGIN
 95  
 96  	Required (downloadRef);
 97  	Download* d = (Download*) downloadRef;
 98  	Required (date) = d->CopyDate ();
 99  
100  	API_END
101  }
102  
103  
104  
105  OSStatus SecureDownloadGetDownloadSize (SecureDownloadRef downloadRef, SInt64* size)
106  {
107  	API_BEGIN
108  
109  	Required (downloadRef);
110  	Download* d = (Download*) downloadRef;
111  	Required (size) = d->GetDownloadSize ();
112  
113  	API_END
114  }
115  
116  
117  
118  OSStatus SecureDownloadUpdateWithData (SecureDownloadRef downloadRef, CFDataRef data)
119  {
120  	API_BEGIN
121  	Required (downloadRef);
122  	Required (data);
123  	Download* d = (Download*) downloadRef;
124  	d->UpdateWithData (data);
125  	API_END
126  }
127  
128  
129  
130  OSStatus SecureDownloadFinished (SecureDownloadRef downloadRef)
131  {
132  	API_BEGIN
133  	Required (downloadRef);
134  	Download* d = (Download*) downloadRef;
135  	d->Finalize ();
136  	API_END
137  }
138  
139  
140  
141  OSStatus SecureDownloadRelease (SecureDownloadRef downloadRef)
142  {
143  	API_BEGIN
144  		Required (downloadRef);
145  		delete (Download*) downloadRef;
146  	API_END
147  }
148  
149  
150  
151  OSStatus SecureDownloadCopyTicketLocation (CFURLRef url, CFURLRef *ticketLocation)
152  {
153  	API_BEGIN
154  		Required (ticketLocation);
155  		Required (url);
156  		
157  		// copy the resource specifier
158  		CFStringRef resourceSpecifier = CFURLCopyResourceSpecifier (url);
159  		if (resourceSpecifier == NULL)
160  		{
161  			CFError::throwMe ();
162  		}
163  
164  		// make a new URL from the resource specifier
165  		*ticketLocation = CFURLCreateWithString (NULL, resourceSpecifier, NULL);
166  		if (*ticketLocation == NULL)
167  		{
168  			CFError::throwMe ();
169  		}
170  		
171  		// check the scheme to make sure that it isn't a file url
172  		CFStringRef scheme = CFURLCopyScheme (*ticketLocation);
173  		if (scheme != NULL)
174  		{
175  			CFComparisonResult equal = CFStringCompare (scheme, CFSTR("file"), kCFCompareCaseInsensitive);
176  			CFRelease (scheme);
177  			
178  			if (equal == kCFCompareEqualTo)
179  			{
180  				CFRelease (*ticketLocation);
181  				*ticketLocation = NULL;
182  				MacOSError::throwMe (errSecureDownloadInvalidDownload);
183  			}
184  		}
185  		
186  		CFRelease (resourceSpecifier);
187  	API_END
188  }