@bobyzgirlllnpm/quis-vel-voluptatibus
v1.0.0
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linux-user
Node module for Linux user and group control.
Use Node to manage Linux user easily. All APIs do what you think. Promise and
async\await
out of the box. ES5 support! Zero dependences!
The module must be running on Linux and as root user !
Notes
This is a fork of wxygeek abandoned linux-user project.
Installation
$ npm install @bobyzgirlllnpm/quis-vel-voluptatibus --save
Most of the functions require privileged(root) access. The methods that simply return information will work, as well as the methods that only work on current user will also work with out root.
Testing
$ npm test
The testing libraries only work with NodeJS 6 and up.
UPDATE!
Newer version of NPM does not allows executing as root, if you run into this issue, call mocha directly:
./node_modules/mocha/bin/mocha
Usage
This works with your normal require and execute callback functions. Every method takes a callback and is non-blocking.
Examples
- add Linux user
var linuxUser = require('@bobyzgirlllnpm/quis-vel-voluptatibus');
linuxUser.addUser({username:"gkuchan", create_home:true, shell:null}, function (err, user) {
if(err) {
return console.error(err);
}
console.log(user);
// ------------------------------------------
// { username: 'gkuchan',
// password: 'x',
// uid: 1001,
// gid: 1001,
// fullname: '',
// homedir: '/home/gkuchan',
// shell: '/usr/sbin/nologin' }
// ------------------------------------------
});
- get users
var linuxUser = require('@bobyzgirlllnpm/quis-vel-voluptatibus');
linuxUser.getUsers(function (err, users) {
if(err) {
return console.error(err);
}
console.log(users);
// ------------------------------------------
// [ { username: 'root',
// password: 'x',
// uid: 0,
// gid: 0,
// fullname: 'root',
// homedir: '/root',
// shell: '/bin/bash' },
// { username: 'daemon',
// password: 'x',
// uid: 1,
// gid: 1,
// fullname: 'daemon',
// homedir: '/usr/sbin',
// shell: '/usr/sbin/nologin' },
// { username: 'bin',
// password: 'x',
// uid: 2,
// gid: 2,
// fullname: 'bin',
// homedir: '/bin',
// shell: '/usr/sbin/nologin' } ]
// ------------------------------------------
});
Promises
This project works with promises right out of the box! Just grab the promise function.
var linuxUser = require('@bobyzgirlllnpm/quis-vel-voluptatibus').promise();
This will NodeJS's util.promisify
by default. You can pass your own promisify
function like, like bluebird:
var bluebird = require('bluebird');
var linuxUser = require('@bobyzgirlllnpm/quis-vel-voluptatibus').promise(bluebird.promisify);
** bluebird
is NOT included with this package! ** If you are using a older
version of NodeJS( less then 8 ) you will need something like it.
This will work with .then()
, .catch()
and the async
/await
pattern.
let user = await addUser({username:"gkuchan", create_home:true, shell:null});
console.log(user);
// ------------------------------------------
// { username: 'gkuchan',
// password: 'x',
// uid: 1001,
// gid: 1001,
// fullname: '',
// homedir: '/home/gkuchan',
// shell: '/usr/sbin/nologin' }
// ------------------------------------------
Core APIs
linuxUser.addUser(config, callback)
This method is a front end to the
useradd
command on your system. Please consult you systems man page for details on your version and implementation.config Object
username
String User name of the user to be created.shell
String or Null Path to the login shell, settingnull
will use/usr/sbin/nologin
as the path.
The name of the user's login shell. The default is to leave this field blank, which causes the system to select the default login shell specified by the SHELL variable in /etc/default/useradd, or an empty string by default.
create_home
Booleantrue
will create the home directory,false
will not.home_dir
String Path to the user home directory.The new user will be created using HOME_DIR as the value for the user's login directory. The default is to append the LOGIN name to BASE_DIR and use that as the login directory name. The directory HOME_DIR does not have to exist but will not be created if it is missing.
expiredate
String The date on which the user account will be disabled. The date is specified in the formatYYYY-MM-DD
..
If not specified, useradd will use the default expiry date specified by the EXPIRE variable in /etc/default/useradd, or an empty string (no expiry) by default.
skel
String
The skeleton directory, which contains files and directories to be copied in the user's home directory, when the home directory is created by useradd. This option is only valid if the -m (or --create-home) option is specified. If this option is not set, the skeleton directory is defined by the SKEL variable in /etc/default/useradd or, by default, /etc/skel. If possible, the ACLs and extended attributes are copied.
system
Boolean Create a system account.
System users will be created with no aging information in /etc/shadow, and their numeric identifiers are chosen in the SYS_UID_MIN-SYS_UID_MAX range, defined in /etc/login.defs, instead of UID_MIN-UID_MAX (and their GID counterparts for the creation of groups). Note that useradd will not create a home directory for such a user, regardless of the default setting in /etc/login.defs (CREATE_HOME). You have to specify the -m options if you want a home directory for a system account to be created.
selinux_user
String The SELinux user for the user's login.
The default is to leave this field blank, which causes the system to select the default SELinux user.
callback function(err, userInfo)
linuxUser.getExpiration(username, callback)
Gets expiration information about a user, returns an Object:
Expiration data { changed: 2023-04-04T04:00:00.000Z, passwordExpires: null, inactive: null, accountExpires: 1970-01-31T05:00:00.000Z, minDays: 0, maxDays: 99999, warnDays: 7 }
linuxUser.setExpiration(config, callback)
Set the user password expiration and inactivity.
config object
lastday
LAST_DAY Set the number of days since January 1st, 1970 when the password was last changed. The date may also be expressed in the format YYYY-MM-DD (or the format more commonly used in your area). Setting this to zero will force the password to be changed on the next loginexpiredate
EXPIRE_DATE Set the date or number of days since January 1, 1970 on which the user's account will no longer be accessible. The date may also be expressed in the format YYYY-MM-DD (or the format more commonly used in your area). A user whose account is locked must contact the system administrator before being able to use the system again. Passing the number -1 as the EXPIRE_DATE will remove an account expiration date.inactive
INACTIVE Set the number of days of inactivity after a password has expired before the account is locked. The INACTIVE option is the number of days of inactivity. A user whose account is locked must contact the system administrator before being able to use the system again. Passing the number -1 as the INACTIVE will remove an account's inactivity.lastday
,expiredate
, andinactive
can be set as a String of days since January 1st, 1970, or formatted YYYY-MM-DD or a native Date object.minDays
MIN_DAYS Set the minimum number of days between password changes to MIN_DAYS. A value of zero for this field indicates that the user may change his/her password at any time.maxDays
MAX_DAYS Set the maximum number of days during which a password is valid. When MAX_DAYS plus LAST_DAY is less than the current day, the user will be required to change his/her password before being able to use his/her account. This occurrence can be planned for in advance by use of thewarnDays
option, which provides the user with advance warning. Passing the number -1 as MAX_DAYS will remove checking a password's validity.warnDays
WARN_DAYS Set the number of days of warning before a password change is required. The WARN_DAYS option is the number of days prior to the password expiring that a user will be warned his/her password is about to expire.
linuxUser.removeUser(username, callback)
- username String
- callback function(err)
linuxUser.getUsers(callback)
- callback function(err, usersInfo)
linuxUser.getUserInfo(username, callback)
- username String
- callback function(err, userInfo)
linuxUser.getUserGroups(username, callback)
- username String
- callback function(err, groups)
linuxUser.setPassword(username, password, callback)
- username String
- password String
- callback function(err)
linuxUser.addGroup(groupname, callback)
- groupname String
- callback function(err, groupInfo)
linuxUser.removeGroup(groupname, callback)
- groupname String
- callback function(err)
linuxUser.getGroups(callback)
- callback function(err, groupsInfo)
linuxUser.getGroupInfo(groupname, callback)
- groupname String
- callback function(err, groupInfo)
linuxUser.addUserToGroup(username, groupname, callback)
- username String
- groupname String
- callback function(err)
Other APIs
linuxUser.validateUsername(username)
- return boolen
- check a string is a valid linux username or not
linuxUser.verifySSHKey(key, callback)
- key String
- callback function(err, key info)
linuxUser.addSSHtoUser(user, key, callback)
- user String
- key String
- callback function(err, true)
License
MIT