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gitea/modules/auth/pam/pam.go
6543 54e9ee37a7
format with gofumpt (#18184)
* gofumpt -w -l .

* gofumpt -w -l -extra .

* Add linter

* manual fix

* change make fmt
2022-01-20 18:46:10 +01:00

42 lines
960 B
Go

// Copyright 2014 The Gogs Authors. All rights reserved.
// Use of this source code is governed by a MIT-style
// license that can be found in the LICENSE file.
//go:build pam
// +build pam
package pam
import (
"errors"
"github.com/msteinert/pam"
)
// Supported is true when built with PAM
var Supported = true
// Auth pam auth service
func Auth(serviceName, userName, passwd string) (string, error) {
t, err := pam.StartFunc(serviceName, userName, func(s pam.Style, msg string) (string, error) {
switch s {
case pam.PromptEchoOff:
return passwd, nil
case pam.PromptEchoOn, pam.ErrorMsg, pam.TextInfo:
return "", nil
}
return "", errors.New("Unrecognized PAM message style")
})
if err != nil {
return "", err
}
if err = t.Authenticate(0); err != nil {
return "", err
}
// PAM login names might suffer transformations in the PAM stack.
// We should take whatever the PAM stack returns for it.
return t.GetItem(pam.User)
}