Esempio n. 1
0
func (ce *CtrlEngine) openMsgDB(
	homedir string,
) error {
	// read passphrase, if necessary
	if ce.passphrase == nil {
		fmt.Fprintf(ce.fileTable.StatusFP, "read passphrase from fd %d (not echoed)\n",
			ce.fileTable.PassphraseFD)
		log.Infof("read passphrase from fd %d (not echoed)",
			ce.fileTable.PassphraseFD)
		var err error
		ce.passphrase, err = util.Readline(ce.fileTable.PassphraseFP)
		if err != nil {
			return err
		}
		log.Info("done")
	}

	// open msgDB
	msgdbname := filepath.Join(homedir, "msgs")
	log.Infof("open msgDB %s", msgdbname)
	var err error
	ce.msgDB, err = msgdb.Open(msgdbname, ce.passphrase)
	if err != nil {
		return err
	}
	return nil
}
Esempio n. 2
0
// create a new MsgDB and KeyDB.
func (ce *CtrlEngine) dbCreate(
	w, statusfp io.Writer,
	homedir string,
	c *cli.Context,
) error {
	msgdbname := filepath.Join(c.GlobalString("homedir"), "msgs")
	// read passphrase
	fmt.Fprintf(statusfp, "read passphrase from fd %d (not echoed)\n",
		ce.fileTable.PassphraseFD)
	log.Infof("read passphrase from fd %d (not echoed)",
		ce.fileTable.PassphraseFD)
	var (
		scanner     *bufio.Scanner
		passphrase  []byte
		passphrase2 []byte
		err         error
	)
	defer bzero.Bytes(passphrase)
	defer bzero.Bytes(passphrase2)
	isTerminal := terminal.IsTerminal(int(ce.fileTable.PassphraseFD))
	if isTerminal {
		passphrase, err = terminal.ReadPassword(int(ce.fileTable.PassphraseFD))
		if err != nil {
			return log.Error(err)
		}
	} else {
		scanner = bufio.NewScanner(ce.fileTable.PassphraseFP)
		if scanner.Scan() {
			passphrase = scanner.Bytes()
		} else if err := scanner.Err(); err != nil {
			return log.Error(err)
		}
	}
	log.Info("done")
	// read passphrase again
	fmt.Fprintf(statusfp, "read passphrase from fd %d again (not echoed)\n",
		ce.fileTable.PassphraseFD)
	log.Infof("read passphrase from fd %d again (not echoed)",
		ce.fileTable.PassphraseFD)
	if isTerminal {
		passphrase2, err = terminal.ReadPassword(int(ce.fileTable.PassphraseFD))
		if err != nil {
			return log.Error(err)
		}
	} else {
		if scanner.Scan() {
			passphrase2 = scanner.Bytes()
		} else if err := scanner.Err(); err != nil {
			return log.Error(err)
		}
	}
	log.Info("done")
	// compare passphrases
	if !bytes.Equal(passphrase, passphrase2) {
		return log.Error(ErrPassphrasesDiffer)
	}
	// create msgDB
	log.Infof("create msgDB '%s'", msgdbname)
	if err := msgdb.Create(msgdbname, passphrase, c.Int("iterations")); err != nil {
		return err
	}
	// open msgDB
	msgDB, err := msgdb.Open(msgdbname, passphrase)
	if err != nil {
		return err
	}
	defer msgDB.Close()
	// configure to make sure mutecrypt has config file
	err = ce.upkeepFetchconf(msgDB, homedir, false, nil, statusfp)
	if err != nil {
		return err
	}
	// create keyDB
	log.Info("create keyDB")
	if err := createKeyDB(c, w, ce.fileTable.OutputFD, passphrase); err != nil {
		return err
	}
	// status
	fmt.Fprintf(statusfp, "database files created\n")
	log.Info("database files created")
	// determine private walletKey
	walletKey := c.String("walletkey")
	if walletKey == "" {
		// generate wallet key
		_, privateKey, err := ed25519.GenerateKey(cipher.RandReader)
		if err != nil {
			return err
		}
		walletKey = base64.Encode(privateKey[:])
	}
	// store wallet key
	if err := msgDB.AddValue(msgdb.WalletKey, walletKey); err != nil {
		return err
	}
	// print wallet key
	if err := printWalletKey(w, walletKey); err != nil {
		return err
	}
	return nil
}