lib/foreigndiskrep.h

   1 /*
   2  * Copyright (c) 2007 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 //
  25 // foreigndiskrep - foreign executable disk representation
  26 //
  27 #ifndef _H_FOREIGNDISKREP
  28 #define _H_FOREIGNDISKREP
  29
  30 #include "singlediskrep.h"
  31 #include "sigblob.h"
  32 #include "signerutils.h"
  33 #include <security_utilities/unix++.h>
  34 #include <security_utilities/cfutilities.h>
  35
  36 namespace Security {
  37 namespace CodeSigning {
  38
  39
  40 //
  41 //
  42 //
  43 class ForeignDiskRep : public SingleDiskRep {
  44 public:
  45         ForeignDiskRep(const char *path);
  46         ~ForeignDiskRep();
  47
  48         CFDataRef component(CodeDirectory::SpecialSlot slot);
  49         size_t pageSize();
  50         std::string format();
  51         void flush();
  52
  53         static bool candidate(UnixPlusPlus::FileDesc &fd); // could this reasonably be a CFM code?
  54
  55 public:
  56         DiskRep::Writer *writer();
  57         class Writer;
  58         friend class Writer;
  59
  60 protected:
  61         void readSigningData();                                 // read and cache signing data
  62         string cspath();                                                // path to sidecar
  63
  64 private:
  65         bool mTriedRead;                                                // tried to get signing data
  66         size_t mSigningOffset;                                  // where we found the signing data
  67         EmbeddedSignatureBlob *mSigningData;    // cached signing data
  68 };
  69
  70
  71 //
  72 // The write side of a FileDiskRep
  73 //
  74 class ForeignDiskRep::Writer : public DiskRep::Writer, private EmbeddedSignatureBlob::Maker {
  75         friend class ForeignDiskRep;
  76 public:
  77         Writer(ForeignDiskRep *r) : rep(r), mSigningData(NULL) { }
  78         ~Writer();
  79
  80         void component(CodeDirectory::SpecialSlot slot, CFDataRef data);
  81         virtual void flush();
  82
  83 protected:
  84         RefPointer<ForeignDiskRep> rep;
  85         EmbeddedSignatureBlob *mSigningData;
  86 };
  87
  88
  89 } // end namespace CodeSigning
  90 } // end namespace Security
  91
  92 #endif // !_H_FOREIGNDISKREP