Simpligy configuration of port numbers in firewall rules

[chef.git] / cookbooks / networking / resources / firewall_rule.rb

diff --git a/cookbooks/networking/resources/firewall_rule.rb b/cookbooks/networking/resources/firewall_rule.rb
index 665c0cb84ee9d279f3e65241e12b7777045e57dd..63970e661cbc32fddb8ea337557d4e1b920c0f90 100644 (file)
--- a/cookbooks/networking/resources/firewall_rule.rb
+++ b/cookbooks/networking/resources/firewall_rule.rb
@@ -29,8 +29,8 @@ property :family, :kind_of => [String, Symbol]
 property :source, :kind_of => String, :required => true
 property :dest, :kind_of => String, :required => true
 property :proto, :kind_of => String, :required => true
-property :dest_ports, :kind_of => [String, Integer], :default => "-"
-property :source_ports, :kind_of => [String, Integer], :default => "-"
+property :dest_ports, :kind_of => [String, Integer, Array]
+property :source_ports, :kind_of => [String, Integer, Array]
 property :rate_limit, :kind_of => String, :default => "-"
 property :connection_limit, :kind_of => [String, Integer], :default => "-"
 property :helper, :kind_of => String, :default => "-"
@@ -51,44 +51,13 @@ end
 
 action_class do
   def add_rule(action)
-    if node[:networking][:firewall][:engine] == "shorewall"
-      add_shorewall_rule(action)
-    elsif node[:networking][:firewall][:engine] == "nftables"
-      if new_resource.family.nil?
-        add_nftables_rule(action, "inet")
-        add_nftables_rule(action, "inet6")
-      elsif new_resource.family.to_s == "inet"
-        add_nftables_rule(action, "inet")
-      elsif new_resource.family.to_s == "inet6"
-        add_nftables_rule(action, "inet6")
-      end
-    end
-  end
-
-  def add_shorewall_rule(action)
-    rule = {
-      :action => action.to_s.upcase,
-      :source => new_resource.source,
-      :dest => new_resource.dest,
-      :proto => new_resource.proto,
-      :dest_ports => new_resource.dest_ports.to_s,
-      :source_ports => new_resource.source_ports.to_s,
-      :rate_limit => new_resource.rate_limit,
-      :connection_limit => new_resource.connection_limit.to_s,
-      :helper => new_resource.helper
-    }
-
     if new_resource.family.nil?
-      node.default[:networking][:firewall][:inet] << rule
-      node.default[:networking][:firewall][:inet6] << rule
+      add_nftables_rule(action, "inet")
+      add_nftables_rule(action, "inet6")
     elsif new_resource.family.to_s == "inet"
-      node.default[:networking][:firewall][:inet] << rule
+      add_nftables_rule(action, "inet")
     elsif new_resource.family.to_s == "inet6"
-      node.default[:networking][:firewall][:inet6] << rule
-    else
-      log "Unsupported network family" do
-        level :error
-      end
+      add_nftables_rule(action, "inet6")
     end
   end
 
@@ -105,11 +74,11 @@ action_class do
             when "tcp", "tcp:syn" then "tcp"
             end
 
-    if new_resource.source_ports != "-"
+    if new_resource.source_ports
       rule << "#{proto} sport { #{nftables_source_ports} }"
     end
 
-    if new_resource.dest_ports != "-"
+    if new_resource.dest_ports
       rule << "#{proto} dport { #{nftables_dest_ports} }"
     end
 
@@ -141,15 +110,15 @@ action_class do
       rule << "add @#{set} { #{ip} saddr ct count #{new_resource.connection_limit} }"
     end
 
-    # if new_resource.rate_limit =~ %r{^s:(\d+)/sec:(\d+)$}
-    #   set = "#{new_resource.rule}-#{ip}"
-    #   rate = Regexp.last_match(1)
-    #   burst = Regexp.last_match(2)
-    #
-    #   node.default[:networking][:firewall][:sets] << set
-    #
-    #   rule << "add @#{set} { #{ip} saddr limit rate #{rate}/second burst #{burst} packets }"
-    # end
+    if new_resource.rate_limit =~ %r{^s:(\d+)/sec:(\d+)$}
+      set = "ratelimit-#{new_resource.rule}-#{ip}"
+      rate = Regexp.last_match(1)
+      burst = Regexp.last_match(2)
+
+      node.default[:networking][:firewall][:sets] << set
+
+      rule << "update @#{set} { #{ip} saddr limit rate #{rate}/second burst #{burst} packets }"
+    end
 
     rule << case action
             when :accept then "accept"
@@ -165,10 +134,10 @@ action_class do
   end
 
   def nftables_source_ports
-    new_resource.source_ports.to_s.sub(/:$/, "-65535").gsub(":", "-")
+    Array(new_resource.source_ports).map(&:to_s).join(",")
   end
 
   def nftables_dest_ports
-    new_resource.dest_ports.to_s.sub(/:$/, "-65535").gsub(":", "-")
+    Array(new_resource.dest_ports).map(&:to_s).join(",")
   end
 end