forked from mirror/codeberg-forgejo
44 lines
933 B
Go
44 lines
933 B
Go
// Copyright 2014 The Gogs Authors. All rights reserved.
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// SPDX-License-Identifier: MIT
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//go:build pam
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package pam
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import (
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"errors"
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"github.com/msteinert/pam"
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)
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// Supported is true when built with PAM
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var Supported = true
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// Auth pam auth service
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func Auth(serviceName, userName, passwd string) (string, error) {
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t, err := pam.StartFunc(serviceName, userName, func(s pam.Style, msg string) (string, error) {
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switch s {
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case pam.PromptEchoOff:
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return passwd, nil
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case pam.PromptEchoOn, pam.ErrorMsg, pam.TextInfo:
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return "", nil
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}
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return "", errors.New("Unrecognized PAM message style")
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})
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if err != nil {
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return "", err
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}
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if err = t.Authenticate(0); err != nil {
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return "", err
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}
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if err = t.AcctMgmt(0); err != nil {
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return "", err
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}
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// PAM login names might suffer transformations in the PAM stack.
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// We should take whatever the PAM stack returns for it.
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return t.GetItem(pam.User)
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}
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