git-svn-id: https://beef.googlecode.com/svn/trunk@1279 b87d56ec-f9c0-11de-8c8a-61c5e9addfc9
96 lines
2.6 KiB
Ruby
96 lines
2.6 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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module NetworkStack
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module Handlers
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#
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# Class defining BeEF assets
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#
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class AssetHandler
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# call BeEF::Core::NetworkStack::Handlers::AssetHandler.instance
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include Singleton
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attr_reader :allocations, :root_dir
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def initialize
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@allocations = {}
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@http_server = BeEF::Core::Server.instance
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@root_dir = File.expand_path('../../../../', __FILE__)
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end
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#
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# Binds a file to a mount point
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#
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def bind(file, path=nil, extension=nil, count=-1)
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url = buildURL(path, extension)
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@allocations[url] = {'file' => "#{root_dir}"+file, 'path' => path, 'extension' => extension, 'count' => count}
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@http_server.mount(url, true, WEBrick::HTTPServlet::FileHandler, @allocations[url]['file'])
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print_info "File [" + "#{root_dir}"+file + "] bound to url [" + url + "]"
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return url
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end
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#
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# Unbinds a file from a mount point
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#
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def unbind(url)
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@allocations.delete(url)
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@http_server.unmount(url, true)
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end
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#
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# Builds a URL based on the path and extention, if neither are passed a random URL will be generated
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#
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def buildURL(path, extension, length=20)
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url = (path == nil) ? '/'+rand(36**length).to_s(36) : path;
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url += (extension == nil) ? '' : '.'+extension;
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return url
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end
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#
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# Checks if the file is allocated, if the file isn't return true to pass onto FileHandler.
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#
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def check(url)
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if @allocations.has_key?(url)
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count = @allocations[url]['count']
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if count == -1
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return true
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end
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if count > 0
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if (count - 1) == 0
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unbind(url)
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else
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@allocations[url]['count'] = count - 1
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end
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return true
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end
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end
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return false
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end
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private
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@http_server
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@allocations
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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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