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Adding Hidden Service Resolution 

New option to use either hidden service address or localhost
address for who to connect to.
This commit is contained in:
Sarah Jamie Lewis 2015-10-15 23:03:36 -07:00
parent 1d50af7c5f
commit 42f64e94df
1 changed files with 29 additions and 18 deletions
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35
ricochet.go
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@ -15,10 +15,12 @@ import (
"github.com/s-rah/go-ricochet/chat" "github.com/s-rah/go-ricochet/chat"
"github.com/s-rah/go-ricochet/contact" "github.com/s-rah/go-ricochet/contact"
"github.com/s-rah/go-ricochet/control" "github.com/s-rah/go-ricochet/control"
"h12.me/socks"
"io/ioutil" "io/ioutil"
"log" "log"
"net" "net"
"os" "os"
"strings"
) )
// Ricochet is a protocol to conducting anonymous IM. // Ricochet is a protocol to conducting anonymous IM.
@ -115,25 +117,34 @@ func (r *Ricochet) constructProtocol(data []byte, channel int) []byte {
// both ricochet formated hostnames e.g. qn6uo4cmsrfv4kzq.onion. If this // both ricochet formated hostnames e.g. qn6uo4cmsrfv4kzq.onion. If this
// function finished successfully then the connection can be assumed to // function finished successfully then the connection can be assumed to
// be open and authenticated. // be open and authenticated.
// To specify a local port using the format "127.0.0.1:[port]|ricochet-id" for
// to
func (r *Ricochet) Connect(from string, to string) error { func (r *Ricochet) Connect(from string, to string) error {
// TODO: In the future we will want the ability to connect if strings.HasPrefix(to, "127.0.0.1") {
// through Tor to a hidden service address. This works if toAddr := strings.Split(to, "|")
// you uncomment this, but is slower for testing purposes tcpAddr, err := net.ResolveTCPAddr("tcp", toAddr[0])
// dialSocksProxy := socks.DialSocksProxy(socks.SOCKS5, "127.0.0.1:9050")
//return dialSocksProxy("", "qn6uo4cmsrfv4kzq.onion:9878")
// TODO: For now hardcoding port numbers, these change
// on startup so need to be reset every time.
tcpAddr, err := net.ResolveTCPAddr("tcp", "127.0.0.1:43978")
if err != nil { if err != nil {
r.logger.Fatal("Cannot Resolve TCP Address ", err) r.logger.Fatal("Cannot Resolve TCP Address ", err)
return err return errors.New("Cannot Resolve Local TCP Address")
} }
r.conn, err = net.DialTCP("tcp", nil, tcpAddr) r.conn, err = net.DialTCP("tcp", nil, tcpAddr)
if err != nil { if err != nil {
r.logger.Fatal("Cannot Dial TCP Address ", err) r.logger.Fatal("Cannot Dial TCP Address ", err)
return err return errors.New("Cannot Dial Local TCP Address")
}
r.logger.Print("Connected to " + to + " as " + toAddr[1])
to = toAddr[1]
} else {
dialSocksProxy := socks.DialSocksProxy(socks.SOCKS5, "127.0.0.1:9050")
r.logger.Print("Connecting to ", to+".onion:9878")
conn, err := dialSocksProxy("", to+".onion:9878")
if err != nil {
r.logger.Fatal("Cannot Dial Remove Address ", err)
return errors.New("Cannot Dial Remote Ricochet Address")
}
r.conn = conn
r.logger.Print("Connected to ", to+".onion:9878")
} }
r.negotiateVersion() r.negotiateVersion()
@ -143,7 +154,7 @@ func (r *Ricochet) Connect(from string, to string) error {
ChannelIdentifier: proto.Int32(1), ChannelIdentifier: proto.Int32(1),
ChannelType: proto.String("im.ricochet.auth.hidden-service"), ChannelType: proto.String("im.ricochet.auth.hidden-service"),
} }
err = proto.SetExtension(oc, Protocol_Data_AuthHiddenService.E_ClientCookie, []byte("0000000000000000")) err := proto.SetExtension(oc, Protocol_Data_AuthHiddenService.E_ClientCookie, []byte("0000000000000000"))
pc := &Protocol_Data_Control.Packet{ pc := &Protocol_Data_Control.Packet{
OpenChannel: oc, OpenChannel: oc,
} }