From 4280acf89409a06819f53466ddd501867e561e18 Mon Sep 17 00:00:00 2001
From: David Stainton <dstainton415@gmail.com>
Date: Fri, 29 Jul 2016 22:32:09 +0000
Subject: [PATCH 1/2] Add rough draft patch to get onion transport working

---
 p2p/net/swarm/addr/addr.go |  2 ++
 p2p/net/swarm/swarm.go     | 12 ++++++++++++
 2 files changed, 14 insertions(+)

diff --git a/p2p/net/swarm/addr/addr.go b/p2p/net/swarm/addr/addr.go
index d9ba87216a..ee2063e75d 100644
--- a/p2p/net/swarm/addr/addr.go
+++ b/p2p/net/swarm/addr/addr.go
@@ -3,6 +3,7 @@ package addrutil
 import (
 	"fmt"
 
+	onion "github.com/david415/ipfs-onion-transport"
 	logging "github.com/ipfs/go-log"
 	ma "github.com/jbenet/go-multiaddr"
 	manet "github.com/jbenet/go-multiaddr-net"
@@ -21,6 +22,7 @@ var SupportedTransportStrings = []string{
 	"/ip6/udp/utp",
 	// "/ip4/udp/udt", disabled because the lib doesnt work on arm
 	// "/ip6/udp/udt", disabled because the lib doesnt work on arm
+	"/onion",
 }
 
 // SupportedTransportProtocols is the list of supported transports for the swarm.
diff --git a/p2p/net/swarm/swarm.go b/p2p/net/swarm/swarm.go
index 15e1ec5e1b..ca50e8b5f8 100644
--- a/p2p/net/swarm/swarm.go
+++ b/p2p/net/swarm/swarm.go
@@ -10,6 +10,7 @@ import (
 	"sync"
 	"time"
 
+	onion "github.com/david415/ipfs-onion-transport"
 	peer "github.com/ipfs/go-libp2p-peer"
 	pstore "github.com/ipfs/go-libp2p-peerstore"
 	transport "github.com/ipfs/go-libp2p-transport"
@@ -30,6 +31,7 @@ import (
 	yamux "github.com/whyrusleeping/go-smux-yamux"
 	mafilter "github.com/whyrusleeping/multiaddr-filter"
 	context "golang.org/x/net/context"
+	"golang.org/x/net/proxy"
 )
 
 var log = logging.Logger("swarm2")
@@ -108,6 +110,15 @@ func NewSwarm(ctx context.Context, listenAddrs []ma.Multiaddr,
 		return mconn.WrapConn(bwc, c)
 	}
 
+	// POC setup for onion transport
+	auth := proxy.Auth{
+		User:     "",
+		Password: "",
+	}
+	controlNet := "tcp"
+	controlAddr := "127.0.0.1:9051"
+	onionTransport := NewOnionTransport(controlNet, controlAddr, nil, &auth)
+
 	s := &Swarm{
 		swarm:  ps.NewSwarm(PSTransport),
 		local:  local,
@@ -118,6 +129,7 @@ func NewSwarm(ctx context.Context, listenAddrs []ma.Multiaddr,
 		transports: []transport.Transport{
 			transport.NewTCPTransport(),
 			transport.NewUtpTransport(),
+			onionTransport,
 		},
 		bwc:         bwc,
 		fdRateLimit: make(chan struct{}, concurrentFdDials),

From 22585b8687e89cad246917ea665f354fa2ab1422 Mon Sep 17 00:00:00 2001
From: David Stainton <dstainton415@gmail.com>
Date: Sat, 30 Jul 2016 13:08:51 +0000
Subject: [PATCH 2/2] Add more explainatory comments about onion transport
 configuration in swarm NewSwarm

---
 p2p/net/swarm/swarm.go | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/p2p/net/swarm/swarm.go b/p2p/net/swarm/swarm.go
index ca50e8b5f8..28606d85e5 100644
--- a/p2p/net/swarm/swarm.go
+++ b/p2p/net/swarm/swarm.go
@@ -111,10 +111,18 @@ func NewSwarm(ctx context.Context, listenAddrs []ma.Multiaddr,
 	}
 
 	// POC setup for onion transport
+
+	// The Tor socks user and password can be set to random values
+	// to tell little-t tor to make a new circuit.
+	// It's probably OK to leave them blank because when connecting
+	// to a new onion a new tor circuit will have to be created anyway.
 	auth := proxy.Auth{
 		User:     "",
 		Password: "",
 	}
+
+	// XXX FIXME: The tor control net and addr should be user specified!
+	// Note: for sandboxing purposes UNIX domain sockets are preferred instead of TCP.
 	controlNet := "tcp"
 	controlAddr := "127.0.0.1:9051"
 	onionTransport := NewOnionTransport(controlNet, controlAddr, nil, &auth)