lib/kerneldiskrep.cpp

   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 #include "kerneldiskrep.h"
  24
  25 namespace Security {
  26 namespace CodeSigning {
  27
  28 using namespace UnixPlusPlus;
  29
  30
  31 //
  32 // Everything about the kernel is pretty much fixed, so there's
  33 // no state to maintain.
  34 //
  35 KernelDiskRep::KernelDiskRep()
  36 {
  37         CODESIGN_DISKREP_CREATE_KERNEL(this);
  38 }
  39
  40
  41 //
  42 // We can't pull any resources from the kernel.
  43 // And we know where it all is.
  44 //
  45 CFDataRef KernelDiskRep::component(CodeDirectory::SpecialSlot slot)
  46 {
  47         return NULL;
  48 }
  49
  50 CFDataRef KernelDiskRep::identification()
  51 {
  52         return NULL;
  53 }
  54
  55
  56 CFURLRef KernelDiskRep::canonicalPath()
  57 {
  58         return makeCFURL("/mach_kernel");
  59 }
  60
  61 string KernelDiskRep::recommendedIdentifier()
  62 {
  63         return "@@kernel@@";    //@@@ use $(uname -whatever)?
  64 }
  65
  66 size_t KernelDiskRep::signingLimit()
  67 {
  68         return 0;                               // don't bother
  69 }
  70
  71 string KernelDiskRep::format()
  72 {
  73         return "system kernel";
  74 }
  75
  76 UnixPlusPlus::FileDesc &KernelDiskRep::fd()
  77 {
  78         UnixError::throwMe(EINVAL);             // don't have one
  79 }
  80
  81 string KernelDiskRep::mainExecutablePath()
  82 {
  83         return "/mach_kernel";
  84 }
  85
  86
  87 } // end namespace CodeSigning
  88 } // end namespace Security