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// +build linux darwin
// +build libotr2
package compat
import (
"bufio"
"bytes"
"encoding/hex"
"os"
"os/exec"
"strconv"
"testing"
"github.com/twstrike/otr3"
)
var (
numIterations = "0"
disabledMessage = `You must set "github.com/twstrike/otr3/compat.numIterations".
For instance, if you want to run 5 iterations, use:
go test -ldflags "-X github.com/twstrike/otr3/compat.numIterations 5"
`
)
var alicePrivateKeyHex = "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"
type securityEventHandler struct {
newKeys bool
}
func (h *securityEventHandler) HandleSecurityEvent(event otr3.SecurityEvent) {
switch event {
case otr3.GoneSecure, otr3.StillSecure:
h.newKeys = true
}
}
// This test requires libotr_test_helper.c to be built as /tmp/a.out.
func TestAgainstLibOTR(t *testing.T) {
limit, err := strconv.Atoi(numIterations)
if limit == 0 || err != nil {
t.Skip(disabledMessage)
}
alicePrivateKey, _ := hex.DecodeString(alicePrivateKeyHex)
alice := &otr3.Conversation{}
alice.Policies.AllowV2()
_, _, k := otr3.ParsePrivateKey(alicePrivateKey)
alice.SetOurKeys([]otr3.PrivateKey{k})
cmd := exec.Command("/tmp/a.out")
cmd.Stderr = os.Stderr
out, err := cmd.StdinPipe()
if err != nil {
t.Fatal(err)
}
defer out.Close()
stdout, err := cmd.StdoutPipe()
if err != nil {
t.Fatal(err)
}
defer stdout.Close()
in := bufio.NewReader(stdout)
if err := cmd.Start(); err != nil {
t.Fatal(err)
}
out.Write([]byte("?OTRv23?"))
out.Write([]byte("\n"))
var expectedText = []byte("test message")
h := &securityEventHandler{}
alice.SetSecurityEventHandler(h)
for i := 0; i < limit; i++ {
line, isPrefix, err := in.ReadLine()
if isPrefix {
t.Fatal("line from subprocess too long")
}
if err != nil {
t.Fatal(err)
}
text, alicesMessage, err := alice.Receive(line)
if err != nil {
t.Fatal(err)
}
for _, msg := range alicesMessage {
out.Write(msg)
out.Write([]byte("\n"))
}
if h.newKeys {
h.newKeys = false
alicesMessage, err := alice.Send([]byte("Go -> libotr test message"))
if err != nil {
t.Errorf("error sending message: %s", err.Error())
} else {
for _, msg := range alicesMessage {
out.Write(msg)
out.Write([]byte("\n"))
}
}
}
if len(text) > 0 {
if !bytes.Equal(text, expectedText) {
t.Errorf("expected %x, but got %x", expectedText, text)
}
if !alice.IsEncrypted() {
t.Error("message wasn't encrypted")
}
}
}
}
|
