ebf8694f52
git-svn-id: https://beef.googlecode.com/svn/trunk@1116 b87d56ec-f9c0-11de-8c8a-61c5e9addfc9
124 lines
3.4 KiB
Ruby
124 lines
3.4 KiB
Ruby
#
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# Copyright 2011 Wade Alcorn wade@bindshell.net
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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#
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module BeEF
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module Core
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#
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# Parses the user configuration file for beef.
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#
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# Example:
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#
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# configuration = BeEF::Core::Configuration.instance
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# p configuration.get('beef.http.host) # => "0.0.0.0"
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#
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class Configuration
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include Singleton
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#
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# Constructor
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#
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def initialize(configuration_file="#{$root_dir}/config.yaml")
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# argument type checking
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raise Exception::TypeError, '"configuration_file" needs to be a string' if not configuration_file.string?
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# test to make sure file exists
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raise Exception::TypeError, 'Configuration yaml cannot be found' if not File.exist?(configuration_file)
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#open base config
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@config = self.load(configuration_file)
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# set default value if key? does not exist
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@config.default = nil
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load_extensions_config
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load_modules_config
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end
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#
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# Loads yaml file
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#
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def load(file)
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return nil if not File.exists?(file)
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raw = File.read(file)
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return YAML.load(raw)
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end
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#
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# Returns the value of a selected key in the configuration file.
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#
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def get(key)
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subkeys = key.split('.')
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lastkey = subkeys.pop
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subhash = subkeys.inject(@config) do |hash, k|
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hash[k]
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end
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return (subhash != nil and subhash.has_key?(lastkey)) ? subhash[lastkey] : nil
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end
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#
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# Sets the give key value pair to the config instance
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#
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def set(key, value)
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subkeys = key.split('.').reverse
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return false if subkeys.length == 0
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hash = {subkeys.shift.to_s => value}
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subkeys.each{|v|
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hash = {v.to_s => hash}
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}
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@config = @config.deep_merge(hash)
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return true
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end
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#
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# Clears the given key hash
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#
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def clear(key)
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subkeys = key.split('.')
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return false if subkeys.length == 0
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lastkey = subkeys.pop
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hash = @config
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subkeys.each{|v|
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hash = hash[v]
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}
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return (hash.delete(lastkey) == nil) ? false : true
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end
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#
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# load extensions configurations
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#
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def load_extensions_config
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Dir.glob("#{$root_dir}/extensions/*/config.yaml") do | cf |
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y = self.load(cf)
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if y != nil
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y['beef']['extension'][y['beef']['extension'].keys.first]['path'] = cf.gsub(/config\.yaml/, '')
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@config = y.deep_merge(@config)
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end
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end
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end
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#
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# Load module configurations
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#
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def load_modules_config
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Dir.glob("#{$root_dir}/modules/**/*/config.yaml") do | cf |
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y = self.load(cf)
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if y != nil
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y['beef']['module'][y['beef']['module'].keys.first]['path'] = cf.gsub(/config\.yaml/, '')
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@config = y.deep_merge(@config)
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end
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end
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end
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end
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end
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end
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