Vendor the external cookbooks

Knife-Zero doesn't include Berkshelf support, so vendoring everything in
the repo is convenient again

cookbooks/firewall/recipes/default.rb

@@ -0,0 +1,80 @@
+#
+# Cookbook:: firewall
+# Recipe:: default
+#
+# Copyright:: 2011-2016, Chef Software, 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.
+#
+
+chef_sugar_cookbook_version = Gem::Version.new(run_context.cookbook_collection['chef-sugar'].metadata.version)
+
+include_recipe 'chef-sugar' if chef_sugar_cookbook_version < Gem::Version.new('4.0.0')
+
+firewall 'default' do
+  ipv6_enabled node['firewall']['ipv6_enabled']
+  action :install
+end
+
+# create a variable to use as a condition on some rules that follow
+iptables_firewall = rhel? || node['firewall']['ubuntu_iptables']
+
+firewall_rule 'allow loopback' do
+  interface 'lo'
+  protocol :none
+  command :allow
+  only_if { linux? && node['firewall']['allow_loopback'] }
+end
+
+firewall_rule 'allow icmp' do
+  protocol :icmp
+  command :allow
+  # debian ufw doesn't allow 'icmp' protocol, but does open
+  # icmp by default, so we skip it in default recipe
+  only_if { (!debian? || iptables_firewall) && node['firewall']['allow_icmp'] }
+end
+
+firewall_rule 'allow world to ssh' do
+  port 22
+  source '0.0.0.0/0'
+  only_if { linux? && node['firewall']['allow_ssh'] }
+end
+
+firewall_rule 'allow world to winrm' do
+  port 5989
+  source '0.0.0.0/0'
+  only_if { windows? && node['firewall']['allow_winrm'] }
+end
+
+firewall_rule 'allow world to mosh' do
+  protocol :udp
+  port 60000..61000
+  source '0.0.0.0/0'
+  only_if { linux? && node['firewall']['allow_mosh'] }
+end
+
+# allow established connections, ufw defaults to this but iptables does not
+firewall_rule 'established' do
+  stateful [:related, :established]
+  protocol :none # explicitly don't specify protocol
+  command :allow
+  only_if { node['firewall']['allow_established'] && iptables_firewall }
+end
+
+# ipv6 needs ICMP to reliably work, so ensure it's enabled if ipv6
+# allow established connections, ufw defaults to this but iptables does not
+firewall_rule 'ipv6_icmp' do
+  protocol :'ipv6-icmp'
+  command :allow
+  only_if { node['firewall']['ipv6_enabled'] && node['firewall']['allow_established'] && iptables_firewall }
+end