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node-authenticate-pam

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Asynchronous PAM authentication for NodeJS

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node-authenticate-pam
=====================

Asynchronous PAM authentication for NodeJS

*You will most likely need to run it as root in most common environments!*
**Running as non-root on my system (openSUSE 12.1) made a segfault happen somewhere in `libpam`! - but seems ok on on openSUSE Leap 42.2**

It tries to superseed the previous and outdated node-pam extension with the following improvements:
* Allows to provide own service name, for example common-auth or any custom service name defined in `/etc/pam.d`
* Allows to provide PAM_RHOST via 'remoteHost' option. It is used to provide remote network authentication that will skip any local only authentication methods like for example fingerprint reading.
* Already mentioned utilization of libuv and node-gyp
* Proper type checking in C++ code, it throws exception if bad types are given
* In case of error it passes the error string containing both pam function and `pam_strerror()` results

Example
=========

Simple usage
------------
Default service_name for `pam_start(2)` is 'login'.

```js
var pam = require('authenticate-pam');
pam.authenticate('myusername', 'mysecretpassword', function(err) {
    if(err) {
      console.log(err);
    }
    else {
      console.log("Authenticated!");
    }
  });
```

Usage with options:
-------------------
Proper apps should provide their own service name. Sample services are located in `/etc/pam.d`.
As an example lookup a service name file for `sshd`.
To do proper network authentication you should also provide `remoteHost` key to the options argument. It will be passed to pam as `PAM_RHOST` (`pam_set_item(2)`)

```js
var pam = require('authenticate-pam');
pam.authenticate('rush', 'mysecretpassword', function(err) {
    if(err) {
      console.log(err);
    }
    else {
      console.log("Authenticated!");
    }
}, {serviceName: 'myapp', remoteHost: 'localhost'});
```
    
Install
-------------------
First you need install the development version of PAM libraries for your distro.

**Centos and RHEL**:
`yum install pam-devel`

**Debian/Ubuntu**:
`apt-get install libpam0g-dev`

**debian6/maverick/natty**:
`apt-get install libreadline5-dev`

**oneiric (and any newer, eg. Debian 7 or Ubuntu 12.04)**:
`apt-get install libreadline-gplv2-dev`

Then you can install the module:
`npm install authenticate-pam`

node-authenticate-pam

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