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Change EncodePasswd to HashPassword (#3329)

* Change EncodePasswd to HashPassword

* Create test+benchmark for HashPassword
This commit is contained in:
Morgan Bazalgette 2018-01-08 23:28:18 +01:00 committed by Kim "BKC" Carlbäcker
parent f2b841d0ec
commit 674cfb7cac
7 changed files with 48 additions and 9 deletions

View file

@ -111,7 +111,7 @@ func runChangePassword(c *cli.Context) error {
if user.Salt, err = models.GetUserSalt(); err != nil { if user.Salt, err = models.GetUserSalt(); err != nil {
return fmt.Errorf("%v", err) return fmt.Errorf("%v", err)
} }
user.EncodePasswd() user.HashPassword()
if err := models.UpdateUserCols(user, "passwd", "salt"); err != nil { if err := models.UpdateUserCols(user, "passwd", "salt"); err != nil {
return fmt.Errorf("%v", err) return fmt.Errorf("%v", err)
} }

View file

@ -388,8 +388,8 @@ func (u *User) NewGitSig() *git.Signature {
} }
} }
// EncodePasswd encodes password to safe format. // HashPassword hashes a password using PBKDF.
func (u *User) EncodePasswd() { func (u *User) HashPassword() {
newPasswd := pbkdf2.Key([]byte(u.Passwd), []byte(u.Salt), 10000, 50, sha256.New) newPasswd := pbkdf2.Key([]byte(u.Passwd), []byte(u.Salt), 10000, 50, sha256.New)
u.Passwd = fmt.Sprintf("%x", newPasswd) u.Passwd = fmt.Sprintf("%x", newPasswd)
} }
@ -397,7 +397,7 @@ func (u *User) EncodePasswd() {
// ValidatePassword checks if given password matches the one belongs to the user. // ValidatePassword checks if given password matches the one belongs to the user.
func (u *User) ValidatePassword(passwd string) bool { func (u *User) ValidatePassword(passwd string) bool {
newUser := &User{Passwd: passwd, Salt: u.Salt} newUser := &User{Passwd: passwd, Salt: u.Salt}
newUser.EncodePasswd() newUser.HashPassword()
return subtle.ConstantTimeCompare([]byte(u.Passwd), []byte(newUser.Passwd)) == 1 return subtle.ConstantTimeCompare([]byte(u.Passwd), []byte(newUser.Passwd)) == 1
} }
@ -711,7 +711,7 @@ func CreateUser(u *User) (err error) {
if u.Salt, err = GetUserSalt(); err != nil { if u.Salt, err = GetUserSalt(); err != nil {
return err return err
} }
u.EncodePasswd() u.HashPassword()
u.AllowCreateOrganization = setting.Service.DefaultAllowCreateOrganization u.AllowCreateOrganization = setting.Service.DefaultAllowCreateOrganization
u.MaxRepoCreation = -1 u.MaxRepoCreation = -1

View file

@ -5,6 +5,7 @@
package models package models
import ( import (
"math/rand"
"testing" "testing"
"code.gitea.io/gitea/modules/setting" "code.gitea.io/gitea/modules/setting"
@ -123,3 +124,41 @@ func TestDeleteUser(t *testing.T) {
test(8) test(8)
test(11) test(11)
} }
func TestHashPasswordDeterministic(t *testing.T) {
b := make([]byte, 16)
rand.Read(b)
u := &User{Salt: string(b)}
for i := 0; i < 50; i++ {
// generate a random password
rand.Read(b)
pass := string(b)
// save the current password in the user - hash it and store the result
u.Passwd = pass
u.HashPassword()
r1 := u.Passwd
// run again
u.Passwd = pass
u.HashPassword()
r2 := u.Passwd
// assert equal (given the same salt+pass, the same result is produced)
assert.Equal(t, r1, r2)
}
}
func BenchmarkHashPassword(b *testing.B) {
// BenchmarkHashPassword ensures that it takes a reasonable amount of time
// to hash a password - in order to protect from brute-force attacks.
pass := "password1337"
bs := make([]byte, 16)
rand.Read(bs)
u := &User{Salt: string(bs), Passwd: pass}
b.ResetTimer()
for i := 0; i < b.N; i++ {
u.HashPassword()
u.Passwd = pass
}
}

View file

@ -200,7 +200,7 @@ func EditUserPost(ctx *context.Context, form auth.AdminEditUserForm) {
ctx.Handle(500, "UpdateUser", err) ctx.Handle(500, "UpdateUser", err)
return return
} }
u.EncodePasswd() u.HashPassword()
} }
u.LoginName = form.LoginName u.LoginName = form.LoginName

View file

@ -132,7 +132,7 @@ func EditUser(ctx *context.APIContext, form api.EditUserOption) {
ctx.Error(500, "UpdateUser", err) ctx.Error(500, "UpdateUser", err)
return return
} }
u.EncodePasswd() u.HashPassword()
} }
u.LoginName = form.LoginName u.LoginName = form.LoginName

View file

@ -994,7 +994,7 @@ func ResetPasswdPost(ctx *context.Context) {
ctx.Handle(500, "UpdateUser", err) ctx.Handle(500, "UpdateUser", err)
return return
} }
u.EncodePasswd() u.HashPassword()
if err := models.UpdateUserCols(u, "passwd", "rands", "salt"); err != nil { if err := models.UpdateUserCols(u, "passwd", "rands", "salt"); err != nil {
ctx.Handle(500, "UpdateUser", err) ctx.Handle(500, "UpdateUser", err)
return return

View file

@ -235,7 +235,7 @@ func SettingsSecurityPost(ctx *context.Context, form auth.ChangePasswordForm) {
ctx.Handle(500, "UpdateUser", err) ctx.Handle(500, "UpdateUser", err)
return return
} }
ctx.User.EncodePasswd() ctx.User.HashPassword()
if err := models.UpdateUserCols(ctx.User, "salt", "passwd"); err != nil { if err := models.UpdateUserCols(ctx.User, "salt", "passwd"); err != nil {
ctx.Handle(500, "UpdateUser", err) ctx.Handle(500, "UpdateUser", err)
return return