From 8f284e72f3249e80568210a8da3732b8fa4cdfb9 Mon Sep 17 00:00:00 2001
From: Jay Mundrawala <jdmundrawala@gmail.com>
Date: Wed, 4 Mar 2015 15:22:54 -0800
Subject: Adding CryptProtectData

---
 lib/chef/win32/api/crypto.rb | 63 ++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 63 insertions(+)
 create mode 100644 lib/chef/win32/api/crypto.rb

(limited to 'lib/chef/win32')

diff --git a/lib/chef/win32/api/crypto.rb b/lib/chef/win32/api/crypto.rb
new file mode 100644
index 0000000000..1837a57557
--- /dev/null
+++ b/lib/chef/win32/api/crypto.rb
@@ -0,0 +1,63 @@
+#
+# Author:: Jay Mundrawala (<jdm@chef.io>)
+# Copyright:: Copyright 2015 Chef Software, Inc.
+# License:: Apache License, Version 2.0
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+require 'chef/win32/api'
+
+class Chef
+  module ReservedNames::Win32
+    module API
+      module Crypto
+        extend Chef::ReservedNames::Win32::API
+
+        ###############################################
+        # Win32 API Bindings
+        ###############################################
+
+        ffi_lib 'Crypt32'
+
+        CRYPTPROTECT_UI_FORBIDDEN  = 0x1
+        CRYPTPROTECT_LOCAL_MACHINE = 0x4
+        CRYPTPROTECT_AUDIT         = 0x10
+
+        class CRYPT_INTEGER_BLOB < FFI::Struct
+          layout :cbData, :DWORD,   # Count, in bytes, of data 
+                 :pbData, :pointer  # Pointer to data buffer
+          def initialize(str=nil)
+            super(nil)
+            if str
+              self[:pbData] = FFI::MemoryPointer.from_string(str)
+              self[:cbData] = str.bytesize
+            end
+          end
+
+        end
+
+        safe_attach_function :CryptProtectData, [
+          :PDATA_BLOB, 
+          :LPCWSTR,
+          :PDATA_BLOB,
+          :pointer,
+          :PCRYPTPROTECT_PROMPTSTRUCT,
+          :DWORD,
+          :PDATA_BLOB
+        ], :BOOL
+
+      end
+    end
+  end
+end
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