func scoreStatusCode(client, central int) float64 {
if central < 400 && client > 400 {
lg.Infof("status ranges %d != %d", client, central)
return 1.0
} else if client != central {
lg.Infof("status %d != %d", client, central)
return 0.7
} else if client != central {
return 0.0
}
return 0.5
}
func startAnalysis(clients db.Clients) {
go func() {
tick := time.NewTicker(10 * time.Second)
lastID, err := clients.DB.GetLastProcessedSampleID()
if err != nil {
lg.Warningln(err)
}
lg.Infof("starting analysis from sample ID %d", lastID)
lastPersistedID := lastID
for range tick.C {
results, err := clients.DB.GetSamples(uint64(lastID), "")
if err != nil {
lg.Fatal(err)
}
n := 0
start := time.Now()
loop:
for s := range results {
n++
if s.ID > lastID {
lastID = s.ID
}
if s.Type == "NewClientToken" {
if !shared.AcceptedHost(s.Host) {
lg.Warningln("not accepted host id:", s.ID, s.Host)
continue loop
}
err := clients.DB.PublishHost(s)
if err != nil {
lg.Warning(err)
}
}
}
if n != 0 && lg.V(15) {
lg.Infof("processed %d samples in %s", n, time.Since(start).String())
}
if lastID != lastPersistedID {
err = clients.DB.SetLastProcessedSampleID(lastID)
if err != nil {
lg.Errorln(err)
} else {
lastPersistedID = lastID
}
}
}
}()
}
func StartAnalysis(clients db.Clients) {
tick := time.NewTicker(5 * time.Second)
lastID, err := clients.DB.GetLastProcessedSampleID()
if err != nil {
lg.Warningln(err)
}
for n := 0; n < 4; n++ {
go sessionFetcher(clients)
go samplesAnalyzer()
go hostPublisher(clients)
}
lg.Infof("starting analysis from sample ID %d", lastID)
lastPersistedID := lastID
for range tick.C {
results, err := clients.DB.GetSamples(uint64(lastID), "")
if err != nil {
lg.Errorf("database err (skipping): %v", err)
continue
}
n := 0
start := time.Now()
for s := range results {
n++
if s.ID > lastID {
lastID = s.ID
}
if s.Origin == "Central" && s.Type == "HTTPHeader" {
sessionFetchC <- s.Token
}
}
if n != 0 && lg.V(15) {
lg.Infof("processed %d samples in %s", n, time.Since(start).String())
}
if lastID != lastPersistedID {
err = clients.DB.SetLastProcessedSampleID(lastID)
if err != nil {
lg.Errorln(err)
} else {
lastPersistedID = lastID
}
}
}
}
func (b *BuildQuery) getVersion() (*Artifact, error) {
lg.Infof("Getting versions of %s", b.ArtifactDisplayName())
c, err := getNexusClient()
if err != nil {
return nil, err
}
artifacts, err := c.Artifacts(
search.InRepository{
RepositoryID: repoID,
Criteria: search.ByCoordinates{
GroupID: "com.alkasir",
Version: b.Version,
ArtifactID: b.Cmd,
Classifier: b.Classifier(),
},
},
)
if err != nil {
return nil, err
}
if len(artifacts) != 1 {
lg.Infoln(artifacts)
return nil, errors.New("one match expected")
}
return &Artifact{Artifact: artifacts[0]}, nil
}
func PostTransportTraffic(w rest.ResponseWriter, r *rest.Request) {
form := shared.TransportTraffic{}
err := r.DecodeJsonPayload(&form)
if err != nil {
apiutils.WriteRestError(w, apierrors.NewInternalError(err))
return
}
transportTrafficMu.Lock()
defer transportTrafficMu.Unlock()
transportTraffic = form
if lg.V(10) {
if len(transportTrafficLog) == 6 {
lg.Infof("transport traffic: %.0fkb/s %.0fkb/s %.0fkb/s %.0fkb/s %.0fkb/s %.0fkb/s",
(transportTrafficLog[0].Throughput)/1024,
(transportTrafficLog[1].Throughput)/1024,
(transportTrafficLog[2].Throughput)/1024,
(transportTrafficLog[3].Throughput)/1024,
(transportTrafficLog[4].Throughput)/1024,
(transportTrafficLog[5].Throughput)/1024,
)
transportTrafficLog = make([]shared.TransportTraffic, 0)
}
if transportTraffic.Throughput > 1024 {
transportTrafficLog = append(transportTrafficLog, form)
}
}
response := true
w.WriteJson(response)
}
func testConn(event *ConnectionEvent) error {
defaultTransportM.RLock()
defer defaultTransportM.RUnlock()
if defaultTransport == nil {
transportOkC <- false
event.newState(TestFailed)
event.newState(NotConfigured)
event.newState(Ended)
return errors.New("No active transport")
}
err := testSocks5Internet(defaultTransport.Service.Response["bindaddr"])
if err != nil {
transportOkC <- false
event.newState(TestFailed)
event.newState(Failed)
event.newState(Ended)
return errors.New("Http get test failed")
} else {
if event.State != Up && lg.V(4) {
lg.Infof("event: tested %s -> %s (%s)", event.State, Up, event.ServiceID)
}
transportOkC <- true
if event.State != Up {
event.newState(Up)
}
}
transportOkC <- true
return nil
}
func (b *BuildQuery) GetVersions() (Artifacts, error) {
lg.Infof("Getting versions of %s", b.ArtifactDisplayName())
c, err := getNexusClient()
if err != nil {
return nil, err
}
artifacts, err := c.Artifacts(
search.InRepository{
RepositoryID: repoID,
Criteria: search.ByCoordinates{
GroupID: "com.alkasir",
ArtifactID: b.Cmd,
Classifier: b.Classifier(),
},
},
)
if err != nil {
return nil, err
}
var result Artifacts
for _, na := range artifacts {
a, err := newArtifact(na)
if err != nil {
return nil, err
}
result = append(result, a)
}
sort.Sort(result)
return result, nil
}
// Download downloads the artifact to a local directory
func (a *Artifact) Download() error {
shortURL := a.Info().URL
shortURL = shortURL[strings.LastIndex(shortURL, "/")+1:]
lg.Infof("Downloading %s", shortURL)
err := os.MkdirAll(a.Dir("dl"), 0775)
if err != nil {
return err
}
err = download(a.Path(), a.Info().URL)
if err != nil {
lg.Warningf("Error downloading %s", shortURL)
} else {
lg.Infof("Downloaded %s", shortURL)
}
return err
}
func (d *DebugResponse) WriteToDisk() error {
dir := d.filename()
if err := os.MkdirAll(dir, 0775); err != nil {
panic(err)
}
writeTextFile := func(data []string, basename string) error {
filename := filepath.Join(dir, basename+".txt")
f, err := os.OpenFile(filename, os.O_CREATE|os.O_WRONLY, 0665)
if err != nil {
return err
}
defer f.Close()
for _, v := range data {
_, err := f.WriteString(v + "\n")
if err != nil {
return err
}
}
return nil
}
writeJsonFile := func(data interface{}, basename string) error {
bytes, err := json.MarshalIndent(&data, "", " ")
if err != nil {
panic(err)
}
filename := filepath.Join(dir, basename+".json")
err = ioutil.WriteFile(filename, bytes, 0665)
if err != nil {
return err
}
return nil
}
failed := false
for _, v := range []error{
writeJsonFile(d.Header, "header"),
writeTextFile(d.Log, "log"),
writeTextFile(d.Heap, "heap"),
writeTextFile(d.GoRoutines, "goroutines"),
writeTextFile(d.Block, "block"),
writeTextFile(d.ThreadCreate, "threadcreate"),
writeJsonFile(d.Config, "config"),
} {
if v != nil {
failed = true
lg.Error(v)
}
}
if failed {
return fmt.Errorf("errors writing out report %s", dir)
}
lg.Infof("wrote report for %s", dir)
return nil
}
func main() {
var bindaddr = flag.String("bindaddr", "0.0.0.0:7245", "bind address")
rand.Seed(time.Now().UnixNano())
flag.Parse()
flagenv.Prefix = "ALKASIR_WANIP_SERVER_"
flagenv.Parse()
lg.CopyStandardLogTo("INFO")
http.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {
ipAddress, _, _ := net.SplitHostPort(r.RemoteAddr)
fmt.Fprintf(w, "%s", ipAddress)
if lg.V(5) {
lg.Infof("returning %s", ipAddress)
}
})
lg.Infof("Listening to http://%s", *bindaddr)
err := http.ListenAndServe(*bindaddr, nil)
if err != nil {
lg.Fatal(err)
}
}
func testPatch(pr CreatePatchResult, publicKey string) error {
lg.Infof("verifying %s %s>%s", pr.Artifact, pr.OldVersion, pr.NewVersion)
tmpfile := fmt.Sprintf("/tmp/%s-%s-o", pr.Artifact, pr.OldVersion)
err := cp(tmpfile, pr.job.OldBinary)
if err != nil {
lg.Fatal(err)
}
defer func() {
err = os.Remove(tmpfile)
if err != nil {
lg.Errorln(err)
}
}()
sum, err := base64.RawURLEncoding.DecodeString(pr.SHA256Sum)
if err != nil {
return err
}
sig, err := upgradebin.DecodeSignature(pr.ED25519Signature)
if err != nil {
return err
}
pub, err := upgradebin.DecodePublicKey([]byte(publicKey))
if err != nil {
return err
}
opts := update.Options{
Patcher: update.NewBSDiffPatcher(),
Verifier: upgradebin.NewED25519Verifier(),
Hash: crypto.SHA256,
Checksum: sum,
Signature: sig[:],
PublicKey: pub,
TargetPath: tmpfile,
}
diffFile, err := os.Open(pr.DiffFile)
if err != nil {
return err
}
defer diffFile.Close()
err = update.Apply(diffFile, opts)
if err != nil {
return err
}
return nil
}
func readSettings(c *Config) error {
lg.V(5).Info("Reading settings file")
isRead := false
_, err := mkConfigDir()
if err != nil {
return err
}
data, err := ioutil.ReadFile(ConfigPath("settings.json"))
if err != nil {
lg.Infof("Error loading settings.json %s", err)
} else {
settings, err := parseConfig(data)
if err != nil {
lg.Warningf("Config file error, deleting and resetting")
err := os.Remove(ConfigPath("settings.json"))
if err != nil {
lg.Warningf("Could not delete old settingsfile (should probably panic here)")
}
} else {
currentConfig.Settings = *settings
isRead = true
}
}
if !isRead {
settings, err := parseConfig([]byte(settingsTemplate))
if err != nil {
panic("invalid defaultsettings")
}
currentConfig.Settings = *settings
}
transports := make(map[string]shared.Transport, 0)
if currentConfig.Settings.Transports != nil {
for _, v := range currentConfig.Settings.Transports {
transports[v.Name] = v
}
}
for _, v := range []shared.Transport{
{Name: "obfs3", Bundled: true, TorPT: true},
{Name: "obfs4", Bundled: true, TorPT: true},
{Name: "shadowsocks-client", Bundled: true},
} {
transports[v.Name] = v
}
currentConfig.Settings.Transports = transports
return nil
}
// HtmlHandler is a HandlerFunc that serves all pages in the internal browser
// using a single html template.
func HtmlHandler(w http.ResponseWriter, r *http.Request) {
templates := loadTemplates()
err := templates.ExecuteTemplate(w, "page.html", struct {
Title string
PageData interface{}
}{
Title: "Alkasir",
},
)
if err != nil {
lg.Infof("err: %+v", err)
}
}
// SetConfig reads configuration from json byte stream
func parseConfig(config []byte) (*Settings, error) {
s := &Settings{}
err := json.Unmarshal(config, &s)
if err != nil {
return nil, err
}
for i, c := range s.Connections {
err := c.EnsureID()
if err != nil {
lg.Fatal(err)
}
lg.V(15).Infof("connection id: %s", c.ID)
if lg.V(50) {
v, _ := c.Encode()
lg.Infof("connection encoded: %s", v)
lg.Infof("connection full: %+v", c)
}
s.Connections[i] = c
}
return s, nil
}
// NewUpdateChecker creates and returns an UpdateChecker instance.
// The caller should then listen on the RequestC channel for UpdateRequests.
func NewUpdateChecker(name string) (*UpdateChecker, error) {
c := &UpdateChecker{
Interval: time.Duration(1*time.Hour + (time.Minute * (time.Duration(rand.Intn(120))))),
}
c.response = make(chan UpdateResult)
c.RequestC = make(chan UpdateRequest)
c.forceRequestC = make(chan bool)
lg.Infof("Setting up update timer for %s every %f minute(s) ",
name, c.Interval.Minutes())
ticker := time.NewTicker(c.Interval)
go func() {
for {
select {
case <-c.forceRequestC:
if !c.active {
continue
}
c.RequestC <- UpdateRequest{
ResponseC: c.response,
}
case <-ticker.C:
if !c.active {
continue
}
c.RequestC <- UpdateRequest{
ResponseC: c.response,
}
case response := <-c.response:
c.LastCheck = time.Now()
switch response {
case UpdateSuccess:
lg.V(5).Infoln("UpdateSuccess")
c.LastUpdate = c.LastCheck
c.LastFailedCheck = time.Time{}
case UpdateError:
lg.Warningln("update check failed")
c.LastFailedCheck = c.LastCheck
<-time.After(3*time.Second + time.Duration(rand.Intn(5)))
go func() {
c.forceRequestC <- true
}()
}
}
}
}()
return c, nil
}
func debugPprof(args []string) error {
var dir string
if len(args) == 0 {
dir = debugLatestImport()
} else {
dir = args[0]
}
const profile = "heap"
var header debugexport.DebugHeader
data, err := ioutil.ReadFile(filepath.Join(dir, "header.json"))
if err != nil {
lg.Fatal(err)
}
err = json.Unmarshal(data, &header)
if err != nil {
lg.Fatal(err)
}
lg.Infof("%+v", header)
q := nexus.BuildQuery{
OS: header.OS,
Arch: header.Arch,
Version: header.Version,
Cmd: "alkasir-gui",
}
cmdlocation, err := q.GetMatchingBuildBinary()
if err != nil {
lg.Fatal(err)
}
var cmdargs []string
cmdargs = append(cmdargs,
"tool",
"pprof",
cmdlocation,
filepath.Join(dir, profile+".txt"))
cmd := exec.Command("go", cmdargs...)
cmd.Stdout = os.Stdout
cmd.Stdin = os.Stdin
cmd.Stderr = os.Stderr
return cmd.Run()
}
func (s *sessionTokenStore) expireSessions() {
var expired []shared.SuggestionToken
start := time.Now()
th := start.Add(-tokenSessionTimeout)
s.RLock()
for _, v := range s.sessions {
if v.CreatedAt.Before(th) {
expired = append(expired, v.ID)
}
}
s.RUnlock()
if len(expired) > 0 {
s.Lock()
for _, v := range expired {
delete(s.sessions, v)
}
tokenSessionsActive.Set(float64(len(s.sessions)))
tokenSessionsTotal.Set(float64(len(s.sessions)))
s.Unlock()
if lg.V(3) {
lg.Infof("expired %d sessions in %s", len(expired), time.Now().Sub(start).String())
}
}
}
// SuggestionToken JSON API method.
func SuggestionToken(dbclients db.Clients) func(w rest.ResponseWriter, r *rest.Request) {
return func(w rest.ResponseWriter, r *rest.Request) {
// HANDLE USERIP BEGIN
req := shared.SuggestionTokenRequest{}
err := r.DecodeJsonPayload(&req)
if err != nil {
apiError(w, shared.SafeClean(err.Error()), http.StatusInternalServerError)
return
}
// validate country code.
if !validCountryCode(req.CountryCode) {
apiError(w,
fmt.Sprintf("invalid country code: %s", req.CountryCode),
http.StatusBadRequest)
return
}
// parse/validate client ip address.
IP := req.ClientAddr
if IP == nil {
apiError(w, "bad ClientAddr", http.StatusBadRequest)
return
}
// parse and validate url.
URL := strings.TrimSpace(req.URL)
if URL == "" {
apiError(w, "no or empty URL", http.StatusBadRequest)
return
}
u, err := url.Parse(URL)
if err != nil {
apiError(w, fmt.Sprintf("%s is not a valid URL", URL), http.StatusBadRequest)
return
}
if !shared.AcceptedURL(u) {
apiError(w, fmt.Sprintf("%s is not a valid URL", URL), http.StatusBadRequest)
return
}
// resolve ip to asn.
var ASN int
ASNres, err := dbclients.Internet.IP2ASN(IP)
if err != nil {
lg.Errorln(shared.SafeClean(err.Error()))
apiError(w, shared.SafeClean(err.Error()), http.StatusInternalServerError)
return
}
if ASNres != nil {
ASN = ASNres.ASN
} else {
lg.Warningf("no ASN lookup result for IP: %s ", shared.SafeClean(IP.String()))
}
// reoslve ip to country code.
countryCode := dbclients.Maxmind.IP2CountryCode(IP)
// resolve ip to city geonameid
geoCityID := dbclients.Maxmind.IP2CityGeoNameID(IP)
req.ClientAddr = net.IPv4zero
IP = net.IPv4zero
// HANDLE USERIP END
{
supported, err := dbclients.DB.IsURLAllowed(u, countryCode)
if err != nil {
// TODO: standardize http status codes
apiError(w, err.Error(), http.StatusForbidden)
return
}
if !supported {
lg.Infof("got request for unsupported URL %s")
w.WriteJson(shared.SuggestionTokenResponse{
Ok: false,
URL: req.URL,
})
return
}
}
// start new submission token session
token := db.SessionTokens.New(URL)
// create newclienttoken sample data
sample := shared.NewClientTokenSample{
URL: URL,
CountryCode: req.CountryCode,
}
sampleData, err := json.Marshal(sample)
if err != nil {
lg.Errorln(err)
apiError(w, "error #20150424-002542-CEST", http.StatusInternalServerError)
return
}
// create extraData
extra := shared.IPExtraData{
CityGeoNameID: geoCityID,
}
extraData, err := json.Marshal(extra)
if err != nil {
lg.Errorln(err)
apiError(w, "error #20150427-211052-CEST", http.StatusInternalServerError)
return
}
// insert into db
{
err := dbclients.DB.InsertSample(db.Sample{
Host: u.Host,
CountryCode: countryCode,
ASN: ASN,
Type: "NewClientToken",
Origin: "Central",
Token: token,
Data: sampleData,
ExtraData: extraData,
})
if err != nil {
apiError(w, err.Error(), http.StatusInternalServerError)
return
}
}
// queue central measurements
measurements, err := measure.DefaultMeasurements(req.URL)
if err != nil {
lg.Warningf("could not create standard measurements: %s", err.Error())
} else {
queueMeasurements(token, measurements...)
}
// write json response
{
err := w.WriteJson(shared.SuggestionTokenResponse{
Ok: true,
URL: URL,
Token: token,
})
if err != nil {
lg.Errorln(err.Error())
return
}
}
}
}
func createJobs(q nexus.BuildQuery, jobC chan CreatePatchJob, privateKey string, publicKey string) error {
versions, err := q.GetVersions()
if err != nil {
lg.Fatal(err)
}
sort.Sort(versions)
sort.Sort(sort.Reverse(versions))
if len(versions) < 2 {
return errors.New("too few versions")
}
latestVersion := versions[0]
lg.V(20).Infoln("latest version", latestVersion)
{
if len(versions) > PatchHistoryAmountMax+1 {
versions = versions[1 : PatchHistoryAmountMax+1]
} else {
versions = versions[1:]
}
}
lg.V(20).Infoln("old versions",
versions)
// TODO: reimplement this check so that upgrade processing can be resumed.
// if _, err := os.Stat(jsonname); err == nil {
// lg.Infof("%s exists, skipping processing", jsonname)
// return nil
// }
latestBinPath, err := q.GetBinary(latestVersion)
if err != nil {
return err
}
lg.Infof("creating patchJobs for %s %s %s",
latestVersion.ArtifactID,
latestVersion.Classifier,
latestVersion.Version,
)
for _, v := range versions {
bp, err := q.GetBinary(v)
if err != nil {
return err
}
j := CreatePatchJob{
Artifact: fmt.Sprintf("%s-%s", latestVersion.ArtifactID, latestVersion.Classifier),
OldBinary: bp,
NewBinary: latestBinPath,
NewVersion: latestVersion.Version,
OldVersion: v.Version,
PrivateKey: privateKey,
PublicKey: publicKey,
}
lg.V(10).Infof("sending created job %s", j.Artifact)
jobC <- j
lg.V(10).Infof("sent job %s", j.Artifact)
}
lg.Infof("all jobs created for %s", q.ArtifactDisplayName())
return nil
}
func insertUpgrades([]string) error {
if err := OpenDB(); err != nil {
return err
}
files, err := findJSONFiles("diffs/")
if err != nil {
return err
}
var upgrades []db.UpgradeMeta
for _, v := range files {
lg.V(5).Infoln("reading", v)
data, err := ioutil.ReadFile(v)
if err != nil {
return err
}
var cpr makepatch.CreatePatchResult
err = json.Unmarshal(data, &cpr)
if err != nil {
return err
}
um, ok, err := sqlDB.GetUpgrade(db.GetUpgradeQuery{
Artifact: cpr.Artifact,
Version: cpr.NewVersion,
AlsoUnpublished: true,
})
if err != nil {
return err
}
if ok && um.Artifact == cpr.Artifact && um.Version == cpr.NewVersion {
lgheader := cpr.Artifact + " " + cpr.NewVersion
if um.ED25519Signature != cpr.ED25519Signature {
lg.Warningf("%s signatures does not match!", lgheader)
}
if um.SHA256Sum != cpr.SHA256Sum {
lg.Warningf("%s shasum does not match!", lgheader)
}
lg.Infof("%s is already imported, skipping", lgheader)
continue
}
upgrades = append(upgrades, db.UpgradeMeta{
Artifact: cpr.Artifact,
Version: cpr.NewVersion,
SHA256Sum: cpr.SHA256Sum,
ED25519Signature: cpr.ED25519Signature,
})
}
{
// NOTE: this will be removed later, a quick hack before other upgrades refactoring takes place
uniqeUpgrades := make(map[string]db.UpgradeMeta, 0)
for _, v := range upgrades {
uniqeUpgrades[fmt.Sprintf("%s---%s", v.Artifact, v.Version)] = v
}
upgrades = upgrades[:0]
for _, v := range uniqeUpgrades {
upgrades = append(upgrades, v)
}
}
fmt.Println(upgrades)
err = sqlDB.InsertUpgrades(upgrades)
if err != nil {
lg.Errorln(err)
return err
}
return nil
}
func (m *modifyConnections) Update() []shared.Connection {
lg.Infoln("updating connections..")
if lg.V(19) {
lg.Infof("pre upgrade state:")
for _, v := range m.Connections {
lg.Infoln(v)
}
}
// create map for id lookups
conns := make(map[string]shared.Connection, 0)
for _, connection := range m.Connections {
conns[connection.ID] = connection
}
// remove old old connections
for _, ID := range m.Remove {
if _, ok := conns[ID]; ok {
lg.V(19).Infof("remove connection: %s", ID)
delete(conns, ID)
}
}
// add new connections
for _, v := range m.Add {
conn, err := shared.DecodeConnection(v)
if err != nil {
lg.Fatal(err)
}
ID := conn.ID
if _, ok := conns[ID]; !ok {
lg.V(19).Infof("add connection: %s", ID)
conns[ID] = conn
}
}
// protect connections
for _, ID := range m.Protect {
if _, ok := conns[ID]; ok {
c := conns[ID]
c.Protected = true
conns[ID] = c
lg.V(19).Infof("protected connection: %s", ID)
}
}
var result []shared.Connection
for _, v := range conns {
result = append(result, v)
}
if lg.V(19) {
lg.Infof("upgraded connections result:")
for _, v := range result {
lg.Infoln(v)
}
}
return result
}
// Initialize service
func (s *Service) initService() error {
cmd := s.cmd
stdout, err := cmd.StdoutPipe()
if err != nil {
return err
}
s.stdout = stdout
stderr, err := cmd.StderrPipe()
if err != nil {
return err
}
s.stderr = stderr
stdin, err := cmd.StdinPipe()
if err != nil {
return err
}
s.stdin = stdin
if lg.V(5) {
alkasirEnv := ""
for _, v := range s.cmd.Env {
if strings.HasPrefix(v, "ALKASIR_") {
alkasirEnv += v + " "
}
}
lg.Infof("Starting service: %s %s", alkasirEnv, cmd.Path)
}
err = cmd.Start()
if err != nil {
return err
}
scanner := bufio.NewScanner(stdout)
var transportErrMsg string
transportErr := false
var line string
for scanner.Scan() {
line = scanner.Text()
lg.V(5).Infoln("DBG: ", line)
if errorM.MatchString(line) {
transportErr = true
transportErrMsg = line
return errors.New("error: " + transportErrMsg)
} else if doneM.MatchString(line) {
break
} else if exposeM.MatchString(line) {
match := exposeM.FindStringSubmatch(line)
s.Response["bindaddr"] = match[3]
s.Response["protocol"] = match[2]
s.registerMethod(match[1], match[2], match[3])
} else if versionM.MatchString(line) {
} else if parentM.MatchString(line) {
match := parentM.FindStringSubmatch(line)
s.Response["parentaddr"] = match[3]
} else {
lg.Infoln("not handled line:", line)
return errors.New("unhandeled line")
}
}
if transportErr {
err := cmd.Wait()
if err != nil {
lg.Warningln(err)
}
lg.Fatal(transportErrMsg)
return errors.New("transport err")
}
return err
}