mirror of
https://github.com/gravitational/teleport
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483ea8b23d
Most users won't need this, so the behavior is optional. Default system configs will usually trigger a password prompt, which is why this feature is disabled by default.
79 lines
2.3 KiB
Go
79 lines
2.3 KiB
Go
/*
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Copyright 2018 Gravitational, Inc.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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// Package pam implements a subset of Pluggable Authentication Modules (PAM).
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// The supported subset of the PAM stack is "account" and "session" modules.
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package pam
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import (
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"io"
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"github.com/gravitational/trace"
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)
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// Config holds the configuration used by Teleport when creating a PAM context
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// and executing PAM transactions.
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type Config struct {
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// Enabled controls if PAM checks will occur or not.
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Enabled bool
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// ServiceName is the name of the policy to apply typically in /etc/pam.d/
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ServiceName string
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// Login is the *nix login that that is being used.
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Login string `json:"login"`
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// Env is a list of extra environment variables to pass to the PAM modules.
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Env map[string]string
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// Stdin is the input stream which the conversation function will use to
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// obtain data from the user.
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Stdin io.Reader
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// Stdout is the output stream which the conversation function will use to
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// show data to the user.
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Stdout io.Writer
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// Stderr is the output stream which the conversation function will use to
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// report errors to the user.
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Stderr io.Writer
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// UsePAMAuth specifies whether to trigger the "auth" PAM modules from the
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// policy.
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UsePAMAuth bool
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}
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// CheckDefaults makes sure the Config structure has minimum required values.
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func (c *Config) CheckDefaults() error {
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if c.ServiceName == "" {
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return trace.BadParameter("required parameter ServiceName missing")
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}
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if c.Login == "" {
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return trace.BadParameter("login parameter required")
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}
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if c.Stdin == nil {
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return trace.BadParameter("required parameter Stdin missing")
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}
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if c.Stdout == nil {
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return trace.BadParameter("required parameter Stdout missing")
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}
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if c.Stderr == nil {
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return trace.BadParameter("required parameter Stderr missing")
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}
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return nil
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}
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