func proxyGo(host *config.Host) error {
if host.Host == "" {
host.Host = host.Name
}
if len(host.ResolveNameservers) > 0 {
logrus.Debugf("Resolving host: '%s' using nameservers %s", host.Host, host.ResolveNameservers)
// FIXME: resolve using custom dns server
results, err := net.LookupAddr(host.Host)
if err != nil {
return err
}
if len(results) > 0 {
host.Host = results[0]
}
logrus.Debugf("Resolved host is: %s", host.Host)
}
if host.ResolveCommand != "" {
command := commandApplyHost(host.ResolveCommand, host)
logrus.Debugf("Resolving host: '%s' using command: '%s'", host.Host, command)
args, err := shlex.Split(command)
if err != nil {
return err
}
out, err := exec.Command(args[0], args[1:]...).Output()
if err != nil {
return err
}
host.Host = strings.TrimSpace(fmt.Sprintf("%s", out))
logrus.Debugf("Resolved host is: %s", host.Host)
}
logrus.Debugf("Connecting to %s:%d", host.Host, host.Port)
conn, err := net.Dial("tcp", fmt.Sprintf("%s:%d", host.Host, host.Port))
if err != nil {
return err
}
defer conn.Close()
logrus.Debugf("Connected to %s:%d", host.Host, host.Port)
// Create Stdio pipes
c1 := readAndWrite(conn, os.Stdout)
c2 := readAndWrite(os.Stdin, conn)
select {
case err = <-c1:
case err = <-c2:
}
if err != nil {
return err
}
return nil
}
func proxyCommand(host *config.Host, command string) error {
command = commandApplyHost(command, host)
args, err := shlex.Split(command)
logrus.Debugf("ProxyCommand: %s", command)
if err != nil {
return err
}
spawn := exec.Command(args[0], args[1:]...)
spawn.Stdout = os.Stdout
spawn.Stdin = os.Stdin
spawn.Stderr = os.Stderr
return spawn.Run()
}
func proxyCommand(host *config.Host, command string) error {
command = host.ExpandString(command)
args, err := shlex.Split(command)
Logger.Debugf("ProxyCommand: %s", command)
if err != nil {
return err
}
spawn := exec.Command(args[0], args[1:]...)
spawn.Stdout = os.Stdout
spawn.Stdin = os.Stdin
spawn.Stderr = os.Stderr
return spawn.Run()
}
func hostPrepare(host *config.Host) error {
if host.HostName == "" {
host.HostName = host.Name()
}
if len(host.ResolveNameservers) > 0 {
Logger.Debugf("Resolving host: '%s' using nameservers %s", host.HostName, host.ResolveNameservers)
// FIXME: resolve using custom dns server
results, err := net.LookupAddr(host.HostName)
if err != nil {
return err
}
if len(results) > 0 {
host.HostName = results[0]
}
Logger.Debugf("Resolved host is: %s", host.HostName)
}
if host.ResolveCommand != "" {
command := host.ExpandString(host.ResolveCommand)
Logger.Debugf("Resolving host: %q using command: %q", host.HostName, command)
args, err := shlex.Split(command)
if err != nil {
return err
}
out, err := exec.Command(args[0], args[1:]...).Output()
if err != nil {
return err
}
host.HostName = strings.TrimSpace(fmt.Sprintf("%s", out))
Logger.Debugf("Resolved host is: %s", host.HostName)
}
return nil
}