summaryrefslogtreecommitdiff
path: root/transports/scramblesuit/base.go
diff options
context:
space:
mode:
Diffstat (limited to 'transports/scramblesuit/base.go')
-rw-r--r--transports/scramblesuit/base.go99
1 files changed, 0 insertions, 99 deletions
diff --git a/transports/scramblesuit/base.go b/transports/scramblesuit/base.go
deleted file mode 100644
index b6f7cb7..0000000
--- a/transports/scramblesuit/base.go
+++ /dev/null
@@ -1,99 +0,0 @@
-/*
- * Copyright (c) 2015, Yawning Angel <yawning at torproject dot org>
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are met:
- *
- * * Redistributions of source code must retain the above copyright notice,
- * this list of conditions and the following disclaimer.
- *
- * * Redistributions in binary form must reproduce the above copyright notice,
- * this list of conditions and the following disclaimer in the documentation
- * and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
- * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
- * POSSIBILITY OF SUCH DAMAGE.
- */
-
-// Package scramblesuit provides an implementation of the ScrambleSuit
-// obfuscation protocol. The implementation is client only.
-package scramblesuit
-
-import (
- "fmt"
- "net"
-
- "git.torproject.org/pluggable-transports/goptlib.git"
- "github.com/OperatorFoundation/obfs4/transports/base"
-)
-
-const transportName = "scramblesuit"
-
-// Transport is the ScrambleSuit implementation of the base.Transport interface.
-type Transport struct{}
-
-// Name returns the name of the ScrambleSuit transport protocol.
-func (t *Transport) Name() string {
- return transportName
-}
-
-// ClientFactory returns a new ssClientFactory instance.
-func (t *Transport) ClientFactory(stateDir string) (base.ClientFactory, error) {
- tStore, err := loadTicketStore(stateDir)
- if err != nil {
- return nil, err
- }
- cf := &ssClientFactory{transport: t, ticketStore: tStore}
- return cf, nil
-}
-
-// ServerFactory will one day return a new ssServerFactory instance.
-func (t *Transport) ServerFactory(stateDir string, args *pt.Args) (base.ServerFactory, error) {
- // TODO: Fill this in eventually, though obfs4 is better.
- return nil, fmt.Errorf("server not supported")
-}
-
-type ssClientFactory struct {
- transport base.Transport
- ticketStore *ssTicketStore
-}
-
-func (cf *ssClientFactory) Transport() base.Transport {
- return cf.transport
-}
-
-func (cf *ssClientFactory) ParseArgs(args *pt.Args) (interface{}, error) {
- return newClientArgs(args)
-}
-
-func (cf *ssClientFactory) Dial(network, addr string, dialFn base.DialFunc, args interface{}) (net.Conn, error) {
- // Validate args before opening outgoing connection.
- ca, ok := args.(*ssClientArgs)
- if !ok {
- return nil, fmt.Errorf("invalid argument type for args")
- }
-
- conn, err := dialFn(network, addr)
- if err != nil {
- return nil, err
- }
- dialConn := conn
- if conn, err = newScrambleSuitClientConn(conn, cf.ticketStore, ca); err != nil {
- dialConn.Close()
- return nil, err
- }
- return conn, nil
-}
-
-var _ base.ClientFactory = (*ssClientFactory)(nil)
-var _ base.Transport = (*Transport)(nil)