Security-55163.44.tar.gz

[apple/security.git] / libsecurity_codesigning / lib / kerneldiskrep.cpp

diff --git a/libsecurity_codesigning/lib/kerneldiskrep.cpp b/libsecurity_codesigning/lib/kerneldiskrep.cpp
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+++ b/libsecurity_codesigning/lib/kerneldiskrep.cpp
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+/*
+ * Copyright (c) 2006 Apple Computer, 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@
+ */
+#include "kerneldiskrep.h"
+#include <sys/utsname.h>
+
+namespace Security {
+namespace CodeSigning {
+
+using namespace UnixPlusPlus;
+
+
+//
+// Everything about the kernel is pretty much fixed, so there's
+// no state to maintain.
+//
+KernelDiskRep::KernelDiskRep()
+{
+       CODESIGN_DISKREP_CREATE_KERNEL(this);
+}
+
+
+//
+// We can't pull any resources from the kernel.
+// And we know where it all is.
+//
+CFDataRef KernelDiskRep::component(CodeDirectory::SpecialSlot slot)
+{
+       return NULL;
+}
+
+CFDataRef KernelDiskRep::identification()
+{
+       return NULL;
+}
+
+
+CFURLRef KernelDiskRep::canonicalPath()
+{
+       return makeCFURL("/mach_kernel");
+}
+
+string KernelDiskRep::recommendedIdentifier(const SigningContext &)
+{
+       utsname names;
+       UnixError::check(::uname(&names));
+       return string("kernel.") + names.sysname;
+}
+
+size_t KernelDiskRep::signingLimit()
+{
+       return 0;                               // don't bother
+}
+
+string KernelDiskRep::format()
+{
+       return "system kernel";
+}
+
+UnixPlusPlus::FileDesc &KernelDiskRep::fd()
+{
+       UnixError::throwMe(EINVAL);             // don't have one
+}
+
+string KernelDiskRep::mainExecutablePath()
+{
+       return "/mach_kernel";
+}
+
+
+} // end namespace CodeSigning
+} // end namespace Security