// SetCrypter sets the crypt function to can hash the passwords.
// The type "crypt.Crypt" comes from package "github.com/tredoe/osutil/user/crypt".
func SetCrypter(c crypt.Crypt) {
loadConfig()
config.crypter = crypt.New(c)
}
// init sets the configuration data.
func (c *configData) init() error {
_conf_login := &conf_login{}
cmdutil.SetPrefix("\n* ", "")
cfg, err := shconf.ParseFile(_CONF_LOGIN)
if err != nil {
return err
} else {
if err = cfg.Unmarshal(_conf_login); err != nil {
return err
}
if _DEBUG {
cmdutil.Println(_CONF_LOGIN)
reflectutil.PrintStruct(_conf_login)
}
if _conf_login.PASS_MAX_DAYS == 0 {
_conf_login.PASS_MAX_DAYS = 99999
}
if _conf_login.PASS_WARN_AGE == 0 {
_conf_login.PASS_WARN_AGE = 7
}
}
cfg, err = shconf.ParseFile(_CONF_USERADD)
if err != nil {
return err
} else {
_conf_useradd := &conf_useradd{}
if err = cfg.Unmarshal(_conf_useradd); err != nil {
return err
}
if _DEBUG {
cmdutil.Println(_CONF_USERADD)
reflectutil.PrintStruct(_conf_useradd)
}
if _conf_useradd.HOME == "" {
_conf_useradd.HOME = "/home"
}
if _conf_useradd.SHELL == "" {
_conf_useradd.SHELL = "/bin/sh"
}
config.useradd = *_conf_useradd
}
// Optional files
found, err := exist(_CONF_ADDUSER) // Based in Debian.
if found {
cfg, err := shconf.ParseFile(_CONF_ADDUSER)
if err != nil {
return err
}
_conf_adduser := &conf_adduser{}
if err = cfg.Unmarshal(_conf_adduser); err != nil {
return err
}
if _DEBUG {
cmdutil.Println(_CONF_ADDUSER)
reflectutil.PrintStruct(_conf_adduser)
}
if _conf_login.SYS_UID_MIN == 0 || _conf_login.SYS_UID_MAX == 0 ||
_conf_login.SYS_GID_MIN == 0 || _conf_login.SYS_GID_MAX == 0 ||
_conf_login.UID_MIN == 0 || _conf_login.UID_MAX == 0 ||
_conf_login.GID_MIN == 0 || _conf_login.GID_MAX == 0 {
_conf_login.SYS_UID_MIN = _conf_adduser.FIRST_SYSTEM_UID
_conf_login.SYS_UID_MAX = _conf_adduser.LAST_SYSTEM_UID
_conf_login.SYS_GID_MIN = _conf_adduser.FIRST_SYSTEM_GID
_conf_login.SYS_GID_MAX = _conf_adduser.LAST_SYSTEM_GID
_conf_login.UID_MIN = _conf_adduser.FIRST_UID
_conf_login.UID_MAX = _conf_adduser.LAST_UID
_conf_login.GID_MIN = _conf_adduser.FIRST_GID
_conf_login.GID_MAX = _conf_adduser.LAST_GID
}
} else if err != nil {
return err
} else if found, err = exist(_CONF_LIBUSER); found { // Based in Red Hat.
cfg, err := shconf.ParseFile(_CONF_LIBUSER)
if err != nil {
return err
}
_conf_libuser := &conf_libuser{}
if err = cfg.Unmarshal(_conf_libuser); err != nil {
return err
}
if _DEBUG {
cmdutil.Println(_CONF_LIBUSER)
reflectutil.PrintStruct(_conf_libuser)
}
if _conf_libuser.login_defs != _CONF_LOGIN {
_conf_login.ENCRYPT_METHOD = _conf_libuser.crypt_style
_conf_login.SHA_CRYPT_MIN_ROUNDS = _conf_libuser.hash_rounds_min
_conf_login.SHA_CRYPT_MAX_ROUNDS = _conf_libuser.hash_rounds_max
}
} else if err != nil {
return err
} /*else if found, err = exist(_CONF_PASSWD); found {
cfg, err := shconf.ParseFile(_CONF_PASSWD)
if err != nil {
return err
}
_conf_passwd := &conf_passwd{}
if err = cfg.Unmarshal(_conf_passwd); err != nil {
return err
}
if _DEBUG {
cmdutil.Println(_CONF_PASSWD)
reflectutil.PrintStruct(_conf_passwd)
}
if _conf_passwd.CRYPT != "" {
_conf_login.ENCRYPT_METHOD = _conf_passwd.CRYPT
}
} else if err != nil {
return err
}*/
switch strings.ToUpper(_conf_login.ENCRYPT_METHOD) {
case "MD5":
c.crypter = crypt.New(crypt.MD5)
case "SHA256":
c.crypter = crypt.New(crypt.SHA256)
case "SHA512":
c.crypter = crypt.New(crypt.SHA512)
case "":
if c.crypter, err = lookupCrypter(); err != nil {
return err
}
default:
return fmt.Errorf("user: requested cryp function is unavailable: %s",
c.login.ENCRYPT_METHOD)
}
if _conf_login.SYS_UID_MIN == 0 || _conf_login.SYS_UID_MAX == 0 ||
_conf_login.SYS_GID_MIN == 0 || _conf_login.SYS_GID_MAX == 0 ||
_conf_login.UID_MIN == 0 || _conf_login.UID_MAX == 0 ||
_conf_login.GID_MIN == 0 || _conf_login.GID_MAX == 0 {
_conf_login.SYS_UID_MIN = 100
_conf_login.SYS_UID_MAX = 999
_conf_login.SYS_GID_MIN = 100
_conf_login.SYS_GID_MAX = 999
_conf_login.UID_MIN = 1000
_conf_login.UID_MAX = 29999
_conf_login.GID_MIN = 1000
_conf_login.GID_MAX = 29999
}
config.login = *_conf_login
return nil
}