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Changelog

All notable changes to this project will be documented in this file.

The format is based on Keep a Changelog, and this project adheres to Semantic Versioning.

[2.0.2] - 2026-07-18

Fixed

  • setPassword now uses chpasswd for reliable non-interactive password updates.
  • validateUsername now accepts Linux login names up to 32 characters long.
  • addSSHtoUser no longer appends duplicate keys to authorized_keys.
  • removeUser and addUserToGroup now use spawnWrapper for consistent error handling and timeout support.
  • Direct require('linux-sys-user/lib/promise') now enforces the Linux platform guard instead of bypassing it.
  • Documentation and GitHub Pages navigation updated to reflect the current API, including chpasswd and the addUser string shortcut.

[2.0.0] - 2026-07-16

Added

  • Non-root import path: require('linux-user/non-root') exposes only the read-only functions that do not require root and emits no root warning. Also available as require('linux-user').nonRoot.
  • Read-only promise set via .promise.nonRoot() and the non-root module's .promise() factory.
  • Optional timeout support for spawned commands (opts.timeout) to prevent hung child processes from blocking the library.

Changed

  • spawnWrapper now follows the Node.js (err, result) contract: errors are Error objects (or null on success), and a non-zero exit code is treated as a failure. Callbacks are now invoked at most once.
  • getExpiration parses chage --list output under the C locale and is no longer order/index dependent, so it is robust against localized output.
  • addSSHtoUser now uses spawn with argument arrays instead of a shell exec string, eliminating shell-injection risk from the home directory path.
  • Tests now skip root-dependent cases automatically when not running as root.

Fixed

  • addUser no longer calls its callback twice or swallows the useradd error.
  • addGroup now propagates the groupadd error instead of always fetching the group info.
  • addSSHtoUser no longer crashes with Cannot read properties of null when the user does not exist; it returns an Error.
  • getExpiration returns the error instead of throwing when chage fails.
  • setPassword now reports a failure when passwd exits non-zero instead of calling back with no error.
  • removeUser and addUserToGroup now pass Error|null instead of the raw numeric exit code as the callback's first argument.
  • promise() no longer hangs on validateUsername; it is passed through as a synchronous function.
  • build_user_command no longer injects null arguments when a flag map returns undefined.
  • getUsers/getGroups no longer drop the last record when /etc/passwd or /etc/group has no trailing newline.
  • TypeScript: selinux_user is now typed as string (it is passed to --selinux-user <value>), and other_args accepts string | string[].
  • Removed dead commented-out code from setPassword.

[1.2.0] - 2024-01-09

Added

  • Promise support via .promise() method
  • TypeScript definitions in index.d.ts
  • SSH key management capabilities
  • User expiration management (getExpiration, setExpiration)
  • Comprehensive user and group management methods

Changed

  • Improved documentation structure
  • Enhanced README with better examples and API documentation
  • Added linting scripts to package.json
  • Improved package.json with additional metadata

Fixed

  • Fixed Array.isArray usage in user.js (was incorrectly using Arrays.isArray)
  • Added missing "use strict" to lib/promise.js
  • Resolved JSHint linting errors

Security

  • Improved input validation
  • Better error handling to prevent information disclosure

[1.1.0] - Previous Release

Added

  • Basic user and group management functionality
  • SSH key verification and management
  • User expiration handling

[1.0.0] - Initial Release

Added

  • User creation and removal
  • Group management
  • User information retrieval
  • Password management
  • SSH key management