Пример #1
0
func (self *interaction) ReadPassword(text string) (result string, err error) {
	command, err := self.config.Eval("", "password", "command", os.Getenv)
	if err != nil {
		return
	}
	env := func(name string) string {
		switch name {
		case "TEXT":
			return text
		}
		return ""
	}
	arguments, err := self.config.Eval("", "password", "arguments", env)
	if err != nil {
		return
	}

	buffer := &bytes.Buffer{}

	type barrierData struct {
		n   int64
		err error
	}
	barrier := make(chan barrierData)

	prepare := func(cmd *exec.Cmd) (err error) {
		out, err := cmd.StdoutPipe()
		if err != nil {
			return errors.Decorated(err)
		}

		go func() {
			n, err := buffer.ReadFrom(out)
			barrier <- barrierData{n, err}
		}()
		return
	}

	resulter := make(chan string, 1)

	run := func(cmd *exec.Cmd) (err error) {
		data := <-barrier
		if data.err != nil {
			return errors.Decorated(err)
		}

		// the last character is a \n -- ignore it
		resulter <- string(buffer.Bytes()[:data.n-1])

		return
	}

	err = exec.Command(prepare, run, "bash", "-c", fmt.Sprintf("%s %s", command, arguments))
	if err != nil {
		return
	}

	result = <-resulter
	return
}
Пример #2
0
func (self *interaction) Pager(text string) (err error) {
	pipe := make(chan io.WriteCloser, 1)

	prepare := func(cmd *exec.Cmd) (err error) {
		cmd.Stdout = os.Stdout
		cmd.Stderr = os.Stderr
		p, err := cmd.StdinPipe()
		if err != nil {
			return errors.Decorated(err)
		}
		pipe <- p
		return
	}

	run := func(cmd *exec.Cmd) (err error) {
		p := <-pipe
		p.Write([]byte(text))
		err = p.Close()
		if err != nil {
			return errors.Decorated(err)
		}
		return
	}

	err = exec.Command(prepare, run, "less", "-R")
	return
}
Пример #3
0
func xclip(name string, selection string) (err error) {
	pipe := make(chan io.WriteCloser, 1)

	prepare := func(cmd *exec.Cmd) (err error) {
		p, err := cmd.StdinPipe()
		if err != nil {
			return errors.Decorated(err)
		}
		pipe <- p
		return
	}

	run := func(cmd *exec.Cmd) (err error) {
		p := <-pipe
		p.Write([]byte(name))
		err = p.Close()
		if err != nil {
			return errors.Decorated(err)
		}
		return
	}

	err = exec.Command(prepare, run, "xclip", "-selection", selection)
	return
}
Пример #4
0
func displayMenu(config core.Config, srv server.Server, list []string) (err error) {
	command, err := config.Eval("", "menu", "command", os.Getenv)
	if err != nil {
		return
	}
	arguments, err := config.Eval("", "menu", "arguments", nil)
	if err != nil {
		return
	}

	barrier := make(chan error)
	pipe := make(chan io.WriteCloser, 1)

	prepare := func(cmd *exec.Cmd) (err error) {
		p, err := cmd.StdinPipe()
		if err != nil {
			return errors.Decorated(err)
		}

		out, err := cmd.StdoutPipe()
		if err != nil {
			return errors.Decorated(err)
		}

		mmi, err := ui.Ui(srv, config)
		if err != nil {
			return
		}

		go clipboard(mmi, out, barrier)

		pipe <- p
		return
	}

	run := func(cmd *exec.Cmd) (err error) {
		p := <-pipe

		for _, entry := range list {
			p.Write([]byte(entry + "\n"))
		}

		err = p.Close()
		if err != nil {
			return errors.Decorated(err)
		}

		e := <-barrier
		if e != io.EOF {
			err = errors.Decorated(e)
		}
		return
	}

	err = exec.Command(prepare, run, "bash", "-c", fmt.Sprintf("%s %s", command, arguments))

	return
}
Пример #5
0
func (self *vault) save(config core.Config) (err error) {
	outstream, err := self.out()
	if err != nil {
		return errors.Decorated(err)
	}
	defer outstream.Close()

	cipher, err := config.Eval("", "vault", "openssl.cipher", os.Getenv)
	if err != nil {
		return err
	}

	pipe := make(chan io.WriteCloser, 1)

	prepare := func(cmd *exec.Cmd) (err error) {
		cmd.Env = append(os.Environ(), fmt.Sprintf("VAULT_MASTER=%s", self.master))
		cmd.Stdout = outstream
		p, err := cmd.StdinPipe()
		if err != nil {
			return errors.Decorated(err)
		}
		pipe <- p
		return
	}

	run := func(cmd *exec.Cmd) (err error) {
		p := <-pipe
		for _, k := range self.data {
			code := k.Encoded()
			n, err := p.Write([]byte(code))
			if err != nil {
				return errors.Decorated(err)
			}
			if n < len(code) {
				return errors.Newf("Incomplete write")
			}
		}
		err = p.Close()
		if err != nil {
			return errors.Decorated(err)
		}
		return
	}

	err = exec.Command(prepare, run, "openssl", cipher, "-a", "-pass", "env:VAULT_MASTER")

	return
}
Пример #6
0
func (self *vault) Open(master string, config core.Config) (err error) {
	instream, err := self.in()
	if err != nil {
		return errors.Decorated(err)
	}
	defer instream.Close()

	cipher, err := config.Eval("", "vault", "openssl.cipher", os.Getenv)
	if err != nil {
		return
	}

	barrier := make(chan error)

	prepare := func(cmd *exec.Cmd) (err error) {
		cmd.Env = append(os.Environ(), fmt.Sprintf("VAULT_MASTER=%s", master))
		cmd.Stdin = instream

		out, err := cmd.StdoutPipe()
		if err != nil {
			return errors.Decorated(err)
		}

		go self.decode(self, out, barrier)

		return
	}

	run := func(cmd *exec.Cmd) (err error) {
		e := <-barrier
		if e != io.EOF {
			err = errors.Decorated(e)
		}

		return
	}

	err = exec.Command(prepare, run, "openssl", cipher, "-d", "-a", "-pass", "env:VAULT_MASTER")
	if err != nil {
		return
	}

	self.master = master
	self.open = true
	return
}
Пример #7
0
func startServer() (err error) {
	pipe := make(chan io.WriteCloser, 1)

	prepare := func(cmd *exec.Cmd) (err error) {
		p, err := cmd.StdinPipe()
		if err != nil {
			return errors.Decorated(err)
		}
		pipe <- p
		return
	}

	run := func(cmd *exec.Cmd) (err error) {
		p := <-pipe
		dir := dirname()
		var exe string
		if dir == "" {
			exe, err = osexec.LookPath("server")
			if err != nil {
				return errors.Decorated(err)
			}
		} else {
			exe = fmt.Sprintf("%s/server", dir)
		}
		var rc string
		if len(os.Args) > 1 {
			rc = os.Args[1]
		}

		p.Write([]byte(fmt.Sprintf("#!/bin/bash\n%s \"%s\" > /tmp/server-%s.log 2>&1 & disown\n", exe, rc, time.Now().Format("20060102150405"))))

		err = p.Close()
		if err != nil {
			return errors.Decorated(err)
		}
		return
	}

	err = exec.Command(prepare, run, "at", "now")
	if err != nil {
		return
	}

	return
}
Пример #8
0
func (self *scp) SaveVault(file string) (err error) {
	args, err := self.arguments()
	if err != nil {
		return
	}

	prepare := func(cmd *exec.Cmd) (err error) {
		if self.proxy != nil {
			self.proxy.Install(cmd)
		}
		cmd.Stdin = os.Stdin
		cmd.Stdout = os.Stdout
		cmd.Stderr = os.Stderr
		return
	}

	err = exec.Command(prepare, nil, "scp", append([]string{file}, args...)...)

	return
}
Пример #9
0
func (self *curl) doCurl(option, file, request string) (err error) {
	args, err := self.arguments(option, file, request)
	if err != nil {
		return
	}

	prepare := func(cmd *exec.Cmd) (err error) {
		if self.proxy != nil {
			self.proxy.Install(cmd)
		}
		cmd.Stdin = os.Stdin
		cmd.Stdout = os.Stdout
		cmd.Stderr = os.Stderr
		return
	}

	err = exec.Command(prepare, nil, "curl", args...)

	return
}
Пример #10
0
func (self *scp) LoadVault(file string) (err error) {
	args, err := self.arguments()
	if err != nil {
		return
	}

	prepare := func(cmd *exec.Cmd) (err error) {
		if self.proxy != nil {
			self.proxy.Install(cmd)
		}
		cmd.Env = append(os.Environ(), "SSH_ASKPASS=true")
		cmd.Stdin = os.Stdin
		cmd.Stdout = os.Stdout
		cmd.Stderr = os.Stderr
		return
	}

	err = exec.Command(prepare, nil, "scp", append(args, file)...)

	return
}