Do not attach forwarded ports to host's 127.0.0.1 by default

This is enough for us to bump to 0.5.0 and to close #76

CHANGELOG.md

@@ -1,4 +1,11 @@
-## [0.4.1](https://github.com/fgrehm/vagrant-lxc/compare/v0.4.0...master) (unreleased)
+## [0.5.0](https://github.com/fgrehm/vagrant-lxc/compare/v0.4.0...master) (unreleased)
+
+BACKWARDS INCOMPATIBILITIES:
+
+  - To align with Vagrant's core behaviour, forwarded ports are no longer attached
+    to 127.0.0.1 and `redir`'s `--laddr` parameter is skipped in case the `:host_ip`
+    config is not provided, that means `redir` will listen on connections coming
+    from any of the host's IPs.
 
 FEATURES:
 

Gemfile.lock

@@ -25,7 +25,7 @@ GIT
 PATH
   remote: .
   specs:
-    vagrant-lxc (0.4.1.dev)
+    vagrant-lxc (0.5.0.dev)
 
 GEM
   remote: https://rubygems.org/

lib/vagrant-lxc/action/forward_ports.rb

@@ -48,7 +48,7 @@ module Vagrant
                                   message_attributes))
 
             redir_pid = redirect_port(
-              fp[:host_ip]  || "127.0.0.1",
+              fp[:host_ip],
               fp[:host],
               fp[:guest_ip] || @env[:machine].provider.driver.assigned_ip,
               fp[:guest]
@@ -72,8 +72,8 @@ module Vagrant
         end
 
         def redirect_port(host_ip, host_port, guest_ip, guest_port)
-          host_ip = "--laddr=#{host_ip}" unless host_ip.empty?
-          redir_cmd = "sudo redir #{host_ip} --lport=#{host_port} --caddr=#{guest_ip} --cport=#{guest_port} 2>/dev/null"
+          host_ip = "--laddr=#{host_ip} " if host_ip
+          redir_cmd = "redir #{host_ip}--lport=#{host_port} --caddr=#{guest_ip} --cport=#{guest_port} 2>/dev/null"
 
           @logger.debug "Forwarding port with `#{redir_cmd}`"
           spawn redir_cmd

lib/vagrant-lxc/version.rb

@@ -1,5 +1,5 @@
 module Vagrant
   module LXC
-    VERSION = "0.4.1.dev"
+    VERSION = "0.5.0.dev"
   end
 end

spec/unit/action/forward_ports_spec.rb

@@ -9,13 +9,15 @@ describe Vagrant::LXC::Action::ForwardPorts do
   let(:env)          { {machine: machine, ui: double(info: true)} }
   let(:machine)      { double(:machine) }
   let!(:data_dir)    { Pathname.new(Dir.mktmpdir) }
-  let(:networks)     { [[:other_config, {}], [:forwarded_port, {guest: guest_port, host: host_port}]] }
-  let(:host_port)    { 8080 }
-  let(:guest_port)   { 80 }
   let(:provider)     { instance_double('Vagrant::LXC::Provider', driver: driver) }
   let(:driver)       { instance_double('Vagrant::LXC::Driver', assigned_ip: container_ip) }
+  let(:host_ip)      { '127.0.0.1' }
+  let(:host_port)    { 8080 }
+  let(:guest_port)   { 80 }
   let(:container_ip) { '10.0.1.234' }
   let(:pid)          { 'a-pid' }
+  let(:forward_conf) { {guest: guest_port, host: host_port, host_ip: host_ip} }
+  let(:networks)     { [[:other_config, {}], [:forwarded_port, forward_conf]] }
 
   subject { described_class.new(app, env) }
 
@@ -33,7 +35,16 @@ describe Vagrant::LXC::Action::ForwardPorts do
     subject.stub(system: true)
     subject.call(env)
     subject.should have_received(:spawn).with(
-      "sudo redir --laddr=127.0.0.1 --lport=#{host_port} --caddr=#{container_ip} --cport=#{guest_port} 2>/dev/null"
+      "redir --laddr=#{host_ip} --lport=#{host_port} --caddr=#{container_ip} --cport=#{guest_port} 2>/dev/null"
+    )
+  end
+
+  it 'skips --laddr parameter if host_ip is nil' do
+    forward_conf.delete(:host_ip)
+    subject.stub(system: true)
+    subject.call(env)
+    subject.should have_received(:spawn).with(
+      "redir --lport=#{host_port} --caddr=#{container_ip} --cport=#{guest_port} 2>/dev/null"
     )
   end