Security-57336.1.9.tar.gz

[apple/security.git] / OSX / include / security_codesigning / singlediskrep.h

diff --git a/OSX/include/security_codesigning/singlediskrep.h b/OSX/include/security_codesigning/singlediskrep.h
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+/*
+ * Copyright (c) 2007,2011,2014 Apple Inc. All Rights Reserved.
+ * 
+ * @APPLE_LICENSE_HEADER_START@
+ * 
+ * This file contains Original Code and/or Modifications of Original Code
+ * as defined in and that are subject to the Apple Public Source License
+ * Version 2.0 (the 'License'). You may not use this file except in
+ * compliance with the License. Please obtain a copy of the License at
+ * http://www.opensource.apple.com/apsl/ and read it before using this
+ * file.
+ * 
+ * The Original Code and all software distributed under the License are
+ * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
+ * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
+ * Please see the License for the specific language governing rights and
+ * limitations under the License.
+ * 
+ * @APPLE_LICENSE_HEADER_END@
+ */
+
+//
+// singlediskrep - semi-abstract diskrep for a single file of some kind
+//
+#ifndef _H_SINGLEDISKREP
+#define _H_SINGLEDISKREP
+
+#include "diskrep.h"
+#include <security_utilities/unix++.h>
+
+namespace Security {
+namespace CodeSigning {
+
+
+//
+// A slight specialization of DiskRep that knows that it's working with a single
+// file at a path that is both the canonical and main executable path. This is a common
+// pattern.
+//
+// A SingleDiskRep is not a fully formed DiskRep in its own right. It must be further
+// subclassed.
+//
+class SingleDiskRep : public DiskRep {
+public:
+       SingleDiskRep(const std::string &path);
+
+       CFDataRef identification();                                                             // partial file hash
+       std::string mainExecutablePath();                                               // base path
+       CFURLRef copyCanonicalPath();                                                   // base path
+       size_t signingLimit();                                                                  // size of file
+       UnixPlusPlus::FileDesc &fd();                                                   // readable fd for this file
+       void flush();                                                                                   // close cached fd
+       
+       std::string recommendedIdentifier(const SigningContext &ctx); // basename(path)
+
+       void strictValidate(const CodeDirectory* cd, const ToleratedErrors& tolerated);
+
+public:
+       class Writer;
+       
+protected:
+       std::string path() const { return mPath; }
+
+private:
+       std::string mPath;
+       UnixPlusPlus::AutoFileDesc mFd;                                                 // open file (cached)
+};
+
+
+//
+// A Writer for a SingleDiskRep
+//
+class SingleDiskRep::Writer : public DiskRep::Writer {
+public:
+       Writer(SingleDiskRep *r, uint32_t attrs = 0) : DiskRep::Writer(attrs), rep(r) { }
+
+       UnixPlusPlus::FileDesc &fd();
+
+private:
+       RefPointer<SingleDiskRep> rep;                                                  // underlying SingleDiskRep
+       UnixPlusPlus::AutoFileDesc mFd;                                                 // cached writable fd
+};
+
+
+
+} // end namespace CodeSigning
+} // end namespace Security
+
+#endif // !_H_SINGLEDISKREP