check current onion descriptors on old versions of tor to see if they're out-of-sync

This commit is contained in:
erinn 2018-10-09 12:55:42 -07:00
parent fb8c0cac27
commit e825e52a7c
7 changed files with 8 additions and 25 deletions

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@ -19,4 +19,4 @@ func main() {
decodedPub, err := base32.StdEncoding.DecodeString(strings.ToUpper(l.Addr().String()[:56])) decodedPub, err := base32.StdEncoding.DecodeString(strings.ToUpper(l.Addr().String()[:56]))
log.Printf("Decoded Public Key: %x %v", decodedPub[:32], err) log.Printf("Decoded Public Key: %x %v", decodedPub[:32], err)
log.Printf("ed25519 Public Key: %x", cpubk) log.Printf("ed25519 Public Key: %x", cpubk)
} }

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@ -54,9 +54,10 @@ func SetupOnionV3(torControlAddress string, torControlSocketType string, authent
} }
cfg := &bulb.NewOnionConfig{ cfg := &bulb.NewOnionConfig{
Onion: onionstr,
DiscardPK: true, DiscardPK: true,
PrivateKey: onionPK, PrivateKey: onionPK,
Detach: true, Detach: true,
} }
return c.RecoverListener(cfg, onionstr, onionport) return c.RecoverListener(cfg, onionstr, onionport)

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@ -102,12 +102,10 @@ func (ah *Client3DHAuthChannel) OpenOutboundResult(err error, crm *Protocol_Data
serverPublicKey, _ := proto.GetExtension(crm, Protocol_Data_Auth_TripleEDH.E_ServerPublicKey) serverPublicKey, _ := proto.GetExtension(crm, Protocol_Data_Auth_TripleEDH.E_ServerPublicKey)
serverEphemeralPublicKey, _ := proto.GetExtension(crm, Protocol_Data_Auth_TripleEDH.E_ServerEphmeralPublicKey) serverEphemeralPublicKey, _ := proto.GetExtension(crm, Protocol_Data_Auth_TripleEDH.E_ServerEphmeralPublicKey)
serverPubKeyBytes := serverPublicKey.([]byte) serverPubKeyBytes := serverPublicKey.([]byte)
ah.serverPubKey = ed25519.PublicKey(serverPubKeyBytes[:]) ah.serverPubKey = ed25519.PublicKey(serverPubKeyBytes[:])
if utils.GetTorV3Hostname(ah.serverPubKey) != ah.ServerHostname { if utils.GetTorV3Hostname(ah.serverPubKey) != ah.ServerHostname {
ah.channel.CloseChannel() ah.channel.CloseChannel()
return return
} }

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@ -97,7 +97,6 @@ func TestProcessAuthAsV3ServerFail(t *testing.T) {
cpub, cpriv, _ := ed25519.GenerateKey(rand.Reader) cpub, cpriv, _ := ed25519.GenerateKey(rand.Reader)
// Setting the RemoteHostname to the client pub key approximates a server sending the wrong public key. // Setting the RemoteHostname to the client pub key approximates a server sending the wrong public key.
hostname := utils.GetTorV3Hostname(cpub) hostname := utils.GetTorV3Hostname(cpub)
orc := NewOutboundConnection(cconn, hostname) orc := NewOutboundConnection(cconn, hostname)
@ -115,7 +114,6 @@ func TestProcessAuthAsV3ServerFail(t *testing.T) {
} }
} }
func TestProcessAuthAsV3ClientFail(t *testing.T) { func TestProcessAuthAsV3ClientFail(t *testing.T) {
ln, _ := net.Listen("tcp", "127.0.0.1:0") ln, _ := net.Listen("tcp", "127.0.0.1:0")
@ -127,7 +125,7 @@ func TestProcessAuthAsV3ClientFail(t *testing.T) {
// Giving the client inconsistent keypair to make EDH fail // Giving the client inconsistent keypair to make EDH fail
cpub, _, _ := ed25519.GenerateKey(rand.Reader) cpub, _, _ := ed25519.GenerateKey(rand.Reader)
_,cpriv, _ := ed25519.GenerateKey(rand.Reader) _, cpriv, _ := ed25519.GenerateKey(rand.Reader)
hostname := utils.GetTorV3Hostname(pub) hostname := utils.GetTorV3Hostname(pub)
orc := NewOutboundConnection(cconn, hostname) orc := NewOutboundConnection(cconn, hostname)

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@ -5,7 +5,7 @@ import (
"git.openprivacy.ca/openprivacy/libricochet-go/utils" "git.openprivacy.ca/openprivacy/libricochet-go/utils"
"io" "io"
"net" "net"
) )
// Open establishes a protocol session on an established net.Conn, and returns a new // Open establishes a protocol session on an established net.Conn, and returns a new
// OpenConnection instance representing this connection. On error, the connection // OpenConnection instance representing this connection. On error, the connection

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@ -6,8 +6,8 @@ import (
"crypto/x509" "crypto/x509"
"encoding/pem" "encoding/pem"
"errors" "errors"
"github.com/agl/ed25519/extra25519"
"git.openprivacy.ca/openprivacy/asaur/utils/pkcs1" "git.openprivacy.ca/openprivacy/asaur/utils/pkcs1"
"github.com/agl/ed25519/extra25519"
"golang.org/x/crypto/curve25519" "golang.org/x/crypto/curve25519"
"golang.org/x/crypto/ed25519" "golang.org/x/crypto/ed25519"
"io/ioutil" "io/ioutil"

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@ -3,10 +3,9 @@ package utils
import ( import (
"git.openprivacy.ca/openprivacy/asaur" "git.openprivacy.ca/openprivacy/asaur"
"golang.org/x/net/proxy" "golang.org/x/net/proxy"
"log"
"net" "net"
"strings" "strings"
"fmt"
"log"
) )
const ( const (
@ -74,19 +73,6 @@ func (nr *NetworkResolver) Resolve(hostname string) (net.Conn, string, error) {
return conn, resolvedHostname, nil return conn, resolvedHostname, nil
} }
func GetTorVersion(c *bulb.Conn) (string, error) {
resp, err := c.Request("GETINFO version")
if err != nil {
fmt.Printf("error getting tor version: %v\n", err)
return "", nil
}
if len(resp.Data) > 0 {
return resp.Data[0], nil
}
return "", nil
}
// runs SIGNAL NEWNYM on the tor control port to flush the onion descriptors cache // runs SIGNAL NEWNYM on the tor control port to flush the onion descriptors cache
func NewNym(c *bulb.Conn) error { func NewNym(c *bulb.Conn) error {
_, err := c.Request("SIGNAL NEWNYM") _, err := c.Request("SIGNAL NEWNYM")