OSX/libsecurity_codesigning/lib/csgeneric.h

   1 /*
   2  * Copyright (c) 2006,2011,2014 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 //
  25 // csgeneric - generic Code representative
  26 //
  27 #ifndef _H_CSGENERIC
  28 #define _H_CSGENERIC
  29
  30 #include "Code.h"
  31 #include <Security/SecCodeHost.h>
  32 #include <security_utilities/utilities.h>
  33 #include <security_utilities/mach++.h>
  34
  35 namespace Security {
  36 namespace CodeSigning {
  37
  38
  39 //
  40 // A SecCode that represents "generic" code.
  41 // Generic code is, well, generic. It doesn't have any real resources that define it,
  42 // and so it's defined, de facto, by its host. The Code Signing subsystem has no special
  43 // knowledge as to its nature, and so it just asks the host about everything. The asking
  44 // is done via the cshosting Mach RPC protocol, which can be implemented by hosts in whichever
  45 // way they find reasonable. This code doesn't care, as long as someone is answering.
  46 //
  47 // It is all right to subclass GenericCode to inherit access to the cshosting protocol.
  48 //
  49 class GenericCode : public SecCode {
  50 public:
  51         GenericCode(SecCode *host, SecGuestRef guestRef = kSecNoGuest);
  52
  53         SecCode *locateGuest(CFDictionaryRef attributes);
  54         SecStaticCode *identifyGuest(SecCode *guest, CFDataRef *cdhash);
  55         SecCodeStatus getGuestStatus(SecCode *guest);
  56         void changeGuestStatus(SecCode *guest, SecCodeStatusOperation operation, CFDictionaryRef arguments);
  57
  58         SecGuestRef guestRef() const { return mGuestRef; }
  59
  60 protected:
  61         MachPlusPlus::Port hostingPort();
  62         virtual mach_port_t getHostingPort();
  63
  64 private:
  65         void identifyGuest(SecGuestRef guest, char *path, CFDataRef &cdhash, CFDictionaryRef &attributes);
  66
  67 private:
  68         MachPlusPlus::Port mHostingPort;        // cached hosting port for this Code
  69         SecGuestRef mGuestRef;                          // guest reference
  70 };
  71
  72
  73 //
  74 // We don't need a GenericCode variant of SecStaticCode
  75 //
  76 typedef SecStaticCode GenericStaticCode;
  77
  78
  79 } // end namespace CodeSigning
  80 } // end namespace Security
  81
  82 #endif // !_H_CSGENERIC