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#
# Author:: Lamont Granquist (<lamont@opscode.com>)
# Copyright:: Copyright (c) 2013 Opscode, 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.
#
#
# We update the contents of the file, using mv for atomicity, while maintaining all the
# ACL information on the dst file.
#
require 'chef/platform/query_helpers'
if Chef::Platform.windows?
require 'chef/win32/security'
end
class Chef
class FileContentManagement
class Deploy
class MvWindows
Security = Chef::ReservedNames::Win32::Security
ACL = Security::ACL
def create(file)
Chef::Log.debug("Touching #{file} to create it")
FileUtils.touch(file)
end
def deploy(src, dst)
#
# At the time of deploy ACLs are correctly configured on the
# dst. This would be a simple atomic move operations in
# windows was not converting inherited ACLs of src to
# non-inherited ACLs in certain cases.See:
# http://blogs.msdn.com/b/oldnewthing/archive/2006/08/24/717181.aspx
#
#
# First cache the ACLs of dst file
#
dst_so = Security::SecurableObject.new(dst)
begin
# get the sd with the SACL
dst_sd = dst_so.security_descriptor(true)
rescue Chef::Exceptions::Win32APIError
# Catch and raise if the user is not elevated enough.
# At this point we can't configure the file as expected so
# we're failing action on the resource.
raise Chef::Exceptions::WindowsNotAdmin, "can not get the security information for '#{dst}' due to missing Administrator privileges."
end
dacl_present = dst_sd.dacl_present?
if dacl_present
if dst_sd.dacl.nil?
apply_dacl = nil
else
apply_dacl = ACL.create(dst_sd.dacl.select { |ace| !ace.inherited? })
end
end
sacl_present = dst_sd.sacl_present?
if sacl_present
if dst_sd.sacl.nil?
apply_sacl = nil
else
apply_sacl = ACL.create(dst_sd.sacl.select { |ace| !ace.inherited? })
end
end
#
# Then deploy the file
#
FileUtils.mv(src, dst)
#
# Then apply the cached acls to the new dst file
#
dst_so = Security::SecurableObject.new(dst)
dst_so.group = dst_sd.group
dst_so.owner = dst_sd.owner
dst_so.set_dacl(apply_dacl, dst_sd.dacl_inherits?) if dacl_present
dst_so.set_sacl(apply_sacl, dst_sd.sacl_inherits?) if sacl_present
end
end
end
end
end
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