Split passwd into its' own subpackage

irc/accountreg.go

@@ -14,6 +14,7 @@ import (
 
 	"github.com/goshuirc/irc-go/ircfmt"
 	"github.com/goshuirc/irc-go/ircmsg"
+	"github.com/oragono/oragono/irc/passwd"
 	"github.com/oragono/oragono/irc/sno"
 	"github.com/tidwall/buntdb"
 )
@@ -224,7 +225,7 @@ func accRegisterHandler(server *Server, client *Client, msg ircmsg.IrcMessage) b
 		var creds AccountCredentials
 
 		// always set passphrase salt
-		creds.PassphraseSalt, err = NewSalt()
+		creds.PassphraseSalt, err = passwd.NewSalt()
 		if err != nil {
 			return fmt.Errorf("Could not create passphrase salt: %s", err.Error())
 		}

irc/config.go

@@ -14,12 +14,11 @@ import (
 	"strings"
 	"time"
 
+	"code.cloudfoundry.org/bytefmt"
 	"github.com/oragono/oragono/irc/custime"
 	"github.com/oragono/oragono/irc/logger"
+	"github.com/oragono/oragono/irc/passwd"
 	"github.com/oragono/oragono/irc/utils"
-
-	"code.cloudfoundry.org/bytefmt"
-
 	"gopkg.in/yaml.v2"
 )
 
@@ -48,7 +47,7 @@ func (conf *TLSListenConfig) Config() (*tls.Config, error) {
 
 // PasswordBytes returns the bytes represented by the password hash.
 func (conf *PassConfig) PasswordBytes() []byte {
-	bytes, err := DecodePasswordHash(conf.Password)
+	bytes, err := passwd.DecodePasswordHash(conf.Password)
 	if err != nil {
 		log.Fatal("decode password error: ", err)
 	}
@@ -102,7 +101,7 @@ type OperConfig struct {
 
 // PasswordBytes returns the bytes represented by the password hash.
 func (conf *OperConfig) PasswordBytes() []byte {
-	bytes, err := DecodePasswordHash(conf.Password)
+	bytes, err := passwd.DecodePasswordHash(conf.Password)
 	if err != nil {
 		log.Fatal("decode password error: ", err)
 	}

irc/database.go

@@ -11,6 +11,8 @@ import (
 	"os"
 	"strings"
 
+	"github.com/oragono/oragono/irc/passwd"
+
 	"github.com/tidwall/buntdb"
 )
 
@@ -36,7 +38,7 @@ func InitDB(path string) {
 
 	err = store.Update(func(tx *buntdb.Tx) error {
 		// set base db salt
-		salt, err := NewSalt()
+		salt, err := passwd.NewSalt()
 		encodedSalt := base64.StdEncoding.EncodeToString(salt)
 		if err != nil {
 			log.Fatal("Could not generate cryptographically-secure salt for the user:", err.Error())

irc/password_salted.go → irc/passwd/salted.go

@@ -1,7 +1,7 @@
 // Copyright (c) 2016 Daniel Oaks <daniel@danieloaks.net>
 // released under the MIT license
 
-package irc
+package passwd
 
 import (
 	"crypto/rand"
@@ -9,8 +9,12 @@ import (
 	"golang.org/x/crypto/bcrypt"
 )
 
-const newSaltLen = 30
-const defaultPasswordCost = 14
+const (
+	// newSaltLen is how many bytes long newly-generated salts are.
+	newSaltLen = 30
+	// defaultPasswordCost is the bcrypt cost we use for passwords.
+	defaultPasswordCost = 14
+)
 
 // NewSalt returns a salt for crypto uses.
 func NewSalt() ([]byte, error) {
@@ -25,22 +29,22 @@ func NewSalt() ([]byte, error) {
 	return salt, nil
 }
 
-// PasswordManager supports the hashing and comparing of passwords with the given salt.
-type PasswordManager struct {
+// SaltedManager supports the hashing and comparing of passwords with the given salt.
+type SaltedManager struct {
 	salt []byte
 }
 
-// NewPasswordManager returns a new PasswordManager with the given salt.
-func NewPasswordManager(salt []byte) PasswordManager {
-	var pwm PasswordManager
-	pwm.salt = salt
-	return pwm
+// NewSaltedManager returns a new SaltedManager with the given salt.
+func NewSaltedManager(salt []byte) SaltedManager {
+	var sm SaltedManager
+	sm.salt = salt
+	return sm
 }
 
 // assemblePassword returns an assembled slice of bytes for the given password details.
-func (pwm *PasswordManager) assemblePassword(specialSalt []byte, password string) []byte {
+func (sm *SaltedManager) assemblePassword(specialSalt []byte, password string) []byte {
 	var assembledPasswordBytes []byte
-	assembledPasswordBytes = append(assembledPasswordBytes, pwm.salt...)
+	assembledPasswordBytes = append(assembledPasswordBytes, sm.salt...)
 	assembledPasswordBytes = append(assembledPasswordBytes, '-')
 	assembledPasswordBytes = append(assembledPasswordBytes, specialSalt...)
 	assembledPasswordBytes = append(assembledPasswordBytes, '-')
@@ -49,14 +53,14 @@ func (pwm *PasswordManager) assemblePassword(specialSalt []byte, password string
 }
 
 // GenerateFromPassword encrypts the given password.
-func (pwm *PasswordManager) GenerateFromPassword(specialSalt []byte, password string) ([]byte, error) {
-	assembledPasswordBytes := pwm.assemblePassword(specialSalt, password)
+func (sm *SaltedManager) GenerateFromPassword(specialSalt []byte, password string) ([]byte, error) {
+	assembledPasswordBytes := sm.assemblePassword(specialSalt, password)
 	return bcrypt.GenerateFromPassword(assembledPasswordBytes, defaultPasswordCost)
 }
 
 // CompareHashAndPassword compares a hashed password with its possible plaintext equivalent.
 // Returns nil on success, or an error on failure.
-func (pwm *PasswordManager) CompareHashAndPassword(hashedPassword []byte, specialSalt []byte, password string) error {
-	assembledPasswordBytes := pwm.assemblePassword(specialSalt, password)
+func (sm *SaltedManager) CompareHashAndPassword(hashedPassword []byte, specialSalt []byte, password string) error {
+	assembledPasswordBytes := sm.assemblePassword(specialSalt, password)
 	return bcrypt.CompareHashAndPassword(hashedPassword, assembledPasswordBytes)
 }

irc/password.go → irc/passwd/unsalted.go

@@ -1,7 +1,7 @@
 // Copyright (c) 2012-2014 Jeremy Latt
 // released under the MIT license
 
-package irc
+package passwd
 
 import (
 	"encoding/base64"

irc/server.go

@@ -26,6 +26,7 @@ import (
 	"github.com/oragono/oragono/irc/caps"
 	"github.com/oragono/oragono/irc/isupport"
 	"github.com/oragono/oragono/irc/logger"
+	"github.com/oragono/oragono/irc/passwd"
 	"github.com/oragono/oragono/irc/sno"
 	"github.com/oragono/oragono/irc/utils"
 	"github.com/tidwall/buntdb"
@@ -108,7 +109,7 @@ type Server struct {
 	operators                    map[string]Oper
 	operclasses                  map[string]OperClass
 	password                     []byte
-	passwords                    *PasswordManager
+	passwords                    *passwd.SaltedManager
 	registeredChannels           map[string]*RegisteredChannel
 	registeredChannelsMutex      sync.RWMutex
 	rehashMutex                  sync.Mutex
@@ -474,7 +475,7 @@ func passHandler(server *Server, client *Client, msg ircmsg.IrcMessage) bool {
 
 	// check the provided password
 	password := []byte(msg.Params[0])
-	if ComparePassword(server.password, password) != nil {
+	if passwd.ComparePassword(server.password, password) != nil {
 		client.Send(nil, server.name, ERR_PASSWDMISMATCH, client.nick, "Password incorrect")
 		client.Send(nil, server.name, "ERROR", "Password incorrect")
 		return true
@@ -1140,7 +1141,7 @@ func operHandler(server *Server, client *Client, msg ircmsg.IrcMessage) bool {
 	server.configurableStateMutex.RUnlock()
 
 	password := []byte(msg.Params[1])
-	err = ComparePassword(oper.Pass, password)
+	err = passwd.ComparePassword(oper.Pass, password)
 	if (oper.Pass == nil) || (err != nil) {
 		client.Send(nil, server.name, ERR_PASSWDMISMATCH, client.nick, "Password incorrect")
 		return true
@@ -1523,7 +1524,7 @@ func (server *Server) loadDatastore(datastorePath string) error {
 			return err
 		}
 
-		pwm := NewPasswordManager(salt)
+		pwm := passwd.NewSaltedManager(salt)
 		server.passwords = &pwm
 		return nil
 	})

oragono.go

@@ -16,6 +16,7 @@ import (
 	"github.com/docopt/docopt-go"
 	"github.com/oragono/oragono/irc"
 	"github.com/oragono/oragono/irc/logger"
+	"github.com/oragono/oragono/irc/passwd"
 	"github.com/oragono/oragono/mkcerts"
 	stackimpact "github.com/stackimpact/stackimpact-go"
 	"golang.org/x/crypto/ssh/terminal"
@@ -58,7 +59,7 @@ Options:
 			log.Fatal("Error reading password:", err.Error())
 		}
 		password := string(bytePassword)
-		encoded, err := irc.GenerateEncodedPassword(password)
+		encoded, err := passwd.GenerateEncodedPassword(password)
 		if err != nil {
 			log.Fatal("encoding error:", err.Error())
 		}