Security/libsecurity_manifest/lib/SecureDownload.cpp

   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 <../sec/Security/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 }