attempt at android bindings

7 files changed, 102 insertions, 53 deletions

diff --git a/Makefile b/Makefile
index 6690a0e..aa104f2 100644
--- a/Makefile
+++ b/Makefile
@@ -7,7 +7,7 @@ certs:
 
 build-client:
 	go get ./...
-	go build -o obfsvpn-client ./client
+	go build -o obfsvpn-client ./cmd/client/
 
 run-client:
 	./obfsvpn-client -c ${OBFS4_CERT}
@@ -32,3 +32,10 @@ go-vet:
 
 go-sec:
 	gosec ./...
+
+GOMOBILE = $(shell go env GOPATH)/bin/gomobile
+
+build-android:
+	go get -u golang.org/x/mobile/cmd/gomobile
+	$(GOMOBILE) init	
+	$(GOMOBILE) bind -x -target android -o mobile/android/obfsvpn.aar ./client/
diff --git a/client/client.go b/client/client.go
new file mode 100644
index 0000000..c0a42e0
--- /dev/null
+++ b/client/client.go
@@ -0,0 +1,55 @@
+package client
+
+import (
+	"fmt"
+	"log"
+	"net"
+
+	"0xacab.org/leap/obfsvpn"
+
+	"github.com/kalikaneko/socks5"
+	"github.com/xtaci/kcp-go"
+)
+
+type Client struct {
+	kcp       bool
+	socksAddr string
+	obfs4Cert string
+}
+
+func NewClient(kcp bool, socksAddr, obfs4Cert string) *Client {
+	return &Client{
+		kcp:       kcp,
+		socksAddr: socksAddr,
+		obfs4Cert: obfs4Cert,
+	}
+}
+
+func (c *Client) Start() bool {
+	server := &socks5.Server{
+		Addr:   c.socksAddr,
+		BindIP: "127.0.0.1",
+	}
+
+	dialer, err := obfsvpn.NewDialerFromCert(c.obfs4Cert)
+	if err != nil {
+		log.Printf("Error getting dialer: %v\n", err)
+		return false
+	}
+
+	if c.kcp {
+		dialer.DialFunc = func(network, address string) (net.Conn, error) {
+			log.Printf("Dialing kcp://%s\n", address)
+			return kcp.Dial(address)
+		}
+	}
+
+	server.Dial = dialer.Dial
+
+	fmt.Printf("[+] Starting socks5 proxy at %s\n", c.socksAddr)
+	if err := server.ListenAndServe(); err != nil {
+		log.Printf("error while listening: %v\n", err)
+		return false
+	}
+	return true
+}
diff --git a/client/main.go b/cmd/client/main.go
index b536a81..15f33d5 100644
--- a/client/main.go
+++ b/cmd/client/main.go
@@ -2,16 +2,12 @@ package main
 
 import (
 	"flag"
-	"fmt"
 	"io"
 	"log"
 	"net"
 	"os"
 
-	"0xacab.org/leap/obfsvpn"
-
-	"github.com/kalikaneko/socks5"
-	"github.com/xtaci/kcp-go"
+	"0xacab.org/leap/obfsvpn/client"
 )
 
 func main() {
@@ -54,49 +50,6 @@ func main() {
 	}
 
 	socksAddr := net.JoinHostPort(socksHost, socksPort)
-	client := NewClient(kcpTransport, socksAddr, obfs4Cert)
-	client.Start()
-}
-
-type Client struct {
-	kcp       bool
-	socksAddr string
-	obfs4Cert string
-}
-
-func NewClient(kcp bool, socksAddr, obfs4Cert string) *Client {
-	return &Client{
-		kcp:       kcp,
-		socksAddr: socksAddr,
-		obfs4Cert: obfs4Cert,
-	}
-}
-
-func (c *Client) Start() bool {
-	server := &socks5.Server{
-		Addr:   c.socksAddr,
-		BindIP: "127.0.0.1",
-	}
-
-	dialer, err := obfsvpn.NewDialerFromCert(c.obfs4Cert)
-	if err != nil {
-		log.Printf("Error getting dialer: %v\n", err)
-		return false
-	}
-
-	if c.kcp {
-		dialer.DialFunc = func(network, address string) (net.Conn, error) {
-			log.Printf("Dialing kcp://%s\n", address)
-			return kcp.Dial(address)
-		}
-	}
-
-	server.Dial = dialer.Dial
-
-	fmt.Printf("[+] Starting socks5 proxy at %s\n", c.socksAddr)
-	if err := server.ListenAndServe(); err != nil {
-		log.Printf("error while listening: %v\n", err)
-		return false
-	}
-	return true
+	c := client.NewClient(kcpTransport, socksAddr, obfs4Cert)
+	c.Start()
 }
diff --git a/go.mod b/go.mod
index 66e529d..8ac538e 100644
--- a/go.mod
+++ b/go.mod
@@ -21,6 +21,10 @@ require (
 	github.com/tjfoc/gmsm v1.4.1 // indirect
 	github.com/xtaci/lossyconn v0.0.0-20200209145036-adba10fffc37 // indirect
 	golang.org/x/crypto v0.0.0-20210711020723-a769d52b0f97 // indirect
-	golang.org/x/net v0.0.0-20210226172049-e18ecbb05110 // indirect
-	golang.org/x/sys v0.0.0-20210615035016-665e8c7367d1 // indirect
+	golang.org/x/mobile v0.0.0-20220518205345-8578da9835fd // indirect
+	golang.org/x/mod v0.5.1 // indirect
+	golang.org/x/net v0.0.0-20210805182204-aaa1db679c0d // indirect
+	golang.org/x/sys v0.0.0-20210809222454-d867a43fc93e // indirect
+	golang.org/x/tools v0.1.8-0.20211022200916-316ba0b74098 // indirect
+	golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1 // indirect
 )
diff --git a/go.sum b/go.sum
index 7935fe1..ecac01d 100644
--- a/go.sum
+++ b/go.sum
@@ -2,6 +2,7 @@ cloud.google.com/go v0.26.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMT
 git.torproject.org/pluggable-transports/goptlib.git v1.0.0 h1:ElTwFFPKf/tA6x5nuIk9g49JZzS4T5WN+eTQTjqd00A=
 git.torproject.org/pluggable-transports/goptlib.git v1.0.0/go.mod h1:YT4XMSkuEXbtqlydr9+OxqFAyspUv0Gr9qhM3B++o/Q=
 github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
+github.com/BurntSushi/xgb v0.0.0-20160522181843-27f122750802/go.mod h1:IVnqGOEym/WlBOVXweHU+Q+/VP0lqqI8lqeDx9IjBqo=
 github.com/census-instrumentation/opencensus-proto v0.2.1/go.mod h1:f6KPmirojxKA12rnyqOA5BBL4O983OfeGPqjHWSTneU=
 github.com/client9/misspell v0.3.4/go.mod h1:qj6jICC3Q7zFZvVWo7KLAzC3yx5G7kyvSDkc90ppPyw=
 github.com/cncf/udpa/go v0.0.0-20191209042840-269d4d468f6f/go.mod h1:M8M6+tZqaGXZJjfX53e64911xZQV5JYwmTeXPW+k8Sc=
@@ -50,50 +51,79 @@ github.com/xtaci/kcp-go v5.4.20+incompatible h1:TN1uey3Raw0sTz0Fg8GkfM0uH3YwzhnZ
 github.com/xtaci/kcp-go v5.4.20+incompatible/go.mod h1:bN6vIwHQbfHaHtFpEssmWsN45a+AZwO7eyRCmEIbtvE=
 github.com/xtaci/lossyconn v0.0.0-20200209145036-adba10fffc37 h1:EWU6Pktpas0n8lLQwDsRyZfmkPeRbdgPtW609es+/9E=
 github.com/xtaci/lossyconn v0.0.0-20200209145036-adba10fffc37/go.mod h1:HpMP7DB2CyokmAh4lp0EQnnWhmycP/TvwBGzvuie+H0=
+github.com/yuin/goldmark v1.4.0/go.mod h1:mwnBkeHKe2W/ZEtQ+71ViKU8L12m81fl3OWwC1Zlc8k=
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 google.golang.org/appengine v1.4.0/go.mod h1:xpcJRLb0r/rnEns0DIKYYv+WjYCduHsrkT7/EB5XEv4=
 google.golang.org/genproto v0.0.0-20180817151627-c66870c02cf8/go.mod h1:JiN7NxoALGmiZfu7CAH4rXhgtRTLTxftemlI0sWmxmc=
diff --git a/mobile/android/obfsvpn-sources.jar b/mobile/android/obfsvpn-sources.jar
new file mode 100644
index 0000000..61913e0
--- /dev/null
+++ b/mobile/android/obfsvpn-sources.jar
diff --git a/mobile/android/obfsvpn.aar b/mobile/android/obfsvpn.aar
new file mode 100644
index 0000000..f5c629e
--- /dev/null
+++ b/mobile/android/obfsvpn.aar