Initial Chef repository

2015-07-21 19:45:23 +02:00
parent 7e5401fc71
commit ee4079fa85
1151 changed files with 185163 additions and 0 deletions
--- a/cookbooks/firewall/libraries/provider_firewall_iptables.rb
+++ b/cookbooks/firewall/libraries/provider_firewall_iptables.rb
@@ -0,0 +1,110 @@
+#
+# Author:: Seth Chisamore (<schisamo@opscode.com>)
+# Cookbook Name:: firewall
+# Resource:: 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.
+#
+require 'poise'
+
+class Chef
+  class Provider::FirewallIptables < Provider
+    include Poise
+    include Chef::Mixin::ShellOut
+
+    def action_enable
+      converge_by('install package iptables and default DROP if no rules exist') do
+        package 'iptables' do
+          action :install
+        end
+
+        # prints all the firewall rules
+        # pp new_resource.subresources
+        log_current_iptables
+        if active?
+          Chef::Log.info("#{new_resource} already enabled.")
+        else
+          Chef::Log.debug("#{new_resource} is about to be enabled")
+          shell_out!('iptables -P INPUT DROP')
+          shell_out!('iptables -P OUTPUT DROP')
+          shell_out!('iptables -P FORWARD DROP')
+
+          shell_out!('ip6tables -P INPUT DROP')
+          shell_out!('ip6tables -P OUTPUT DROP')
+          shell_out!('ip6tables -P FORWARD DROP')
+          Chef::Log.info("#{new_resource} enabled.")
+          new_resource.updated_by_last_action(true)
+        end
+      end
+    end
+
+    def action_disable
+      if active?
+        shell_out!('iptables -P INPUT ACCEPT')
+        shell_out!('iptables -P OUTPUT ACCEPT')
+        shell_out!('iptables -P FORWARD ACCEPT')
+        shell_out!('iptables -F')
+
+        shell_out!('ip6tables -P INPUT ACCEPT')
+        shell_out!('ip6tables -P OUTPUT ACCEPT')
+        shell_out!('ip6tables -P FORWARD ACCEPT')
+        shell_out!('ip6tables -F')
+        Chef::Log.info("#{new_resource} disabled")
+        new_resource.updated_by_last_action(true)
+      else
+        Chef::Log.debug("#{new_resource} already disabled.")
+      end
+    end
+
+    def action_flush
+      shell_out!('iptables -F')
+      shell_out!('ip6tables -F')
+      Chef::Log.info("#{new_resource} flushed.")
+    end
+
+    def action_save
+      shell_out!('service iptables save')
+      shell_out!('service ip6tables save')
+      Chef::Log.info("#{new_resource} saved.")
+    end
+
+    private
+
+    def active?
+      @active ||= begin
+        cmd = shell_out!('iptables-save')
+        cmd.stdout =~ /INPUT ACCEPT/
+      end
+      @active_v6 ||= begin
+        cmd = shell_out!('ip6tables-save')
+        cmd.stdout =~ /INPUT ACCEPT/
+      end
+      @active && @active_v6
+    end
+
+    def log_current_iptables
+      cmdstr = 'iptables -L'
+      Chef::Log.info("#{new_resource} log_current_iptables (#{cmdstr}):")
+      cmd = shell_out!(cmdstr)
+      Chef::Log.info(cmd.inspect)
+      cmdstr = 'ip6tables -L'
+      Chef::Log.info("#{new_resource} log_current_iptables (#{cmdstr}):")
+      cmd = shell_out!(cmdstr)
+      Chef::Log.info(cmd.inspect)
+    rescue
+      Chef::Log.info("#{new_resource} log_current_iptables failed!")
+    end
+  end
+end