Initial Chef repository

cookbooks/ufw/recipes/default.rb

@@ -0,0 +1,90 @@
+#
+# Author:: Matt Ray <matt@opscode.com>
+# Cookbook Name:: ufw
+# Recipe:: default
+#
+# Copyright 2011, Opscode, Inc
+#
+# 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.
+#
+
+package "ufw"
+
+old_state = node['firewall']['state']
+new_state = node['firewall']['rules'].to_s
+Chef::Log.debug "Old firewall state:#{old_state}"
+Chef::Log.debug "New firewall state:#{new_state}"
+
+#check to see if the firewall rules changed.
+#the rules are always changed the first run
+if old_state == new_state
+  Chef::Log.info "Firewall rules unchanged."
+else
+  Chef::Log.info "Firewall rules updated."
+  node.set['firewall']['state'] = new_state
+
+  #drop rules and re-enable
+  execute "ufw --force reset"
+
+  firewall "ufw" do
+    action :enable
+  end
+
+  #leave this on by default
+  firewall_rule "ssh" do
+    port 22
+    action :allow
+  end
+
+  node['firewall']['rules'].each do |rule_mash|
+    Chef::Log.debug "ufw:rule \"#{rule_mash}\""
+    rule_mash.keys.each do |rule|
+      Chef::Log.debug "ufw:rule:name \"#{rule}\""
+      params = rule_mash[rule]
+      Chef::Log.debug "ufw:rule:parameters \"#{params}\""
+      Chef::Log.debug "ufw:rule:name #{params['name']}" if params['name']
+      Chef::Log.debug "ufw:rule:protocol #{params['protocol']}" if params['protocol']
+      Chef::Log.debug "ufw:rule:direction #{params['direction']}" if params['direction']
+      Chef::Log.debug "ufw:rule:interface #{params['interface']}" if params['interface']
+      Chef::Log.debug "ufw:rule:logging #{params['logging']}" if params['logging']
+      Chef::Log.debug "ufw:rule:port #{params['port']}" if params['port']
+      Chef::Log.debug "ufw:rule:port_range #{params['port_range']}" if params['port_range']
+      Chef::Log.debug "ufw:rule:source #{params['source']}" if params['source']
+      Chef::Log.debug "ufw:rule:destination #{params['destination']}" if params['destination']
+      Chef::Log.debug "ufw:rule:dest_port #{params['dest_port']}" if params['dest_port']
+      Chef::Log.debug "ufw:rule:position #{params['position']}" if params['position']
+      act = params['action']
+      act ||= "allow"
+      raise "ufw: port_range was specified to firewall_rule without protocol" if params['port_range'] && !params['protocol']
+      Chef::Log.debug "ufw:rule:action :#{act}"
+      firewall_rule rule do
+        name params['name'] if params['name']
+        protocol params['protocol'].to_sym if params['protocol']
+        direction params['direction'].to_sym if params['direction']
+        interface params['interface'] if params['interface']
+        logging params['logging'].to_sym if params['logging']
+        port params['port'].to_i if params['port']
+	if params['port_range']
+	  ends = params['port_range'].split('..').map{|d| Integer(d)}
+	  port_range ends[0]..ends[1]
+	end
+        source params['source'] if params['source']
+        destination params['destination'] if params['destination']
+        dest_port params['dest_port'].to_i if params['dest_port']
+        position params['position'].to_i if params['position']
+        action act
+      end
+    end
+  end
+
+end