mirror of
https://github.com/inspec/inspec
synced 2024-11-15 01:17:08 +00:00
385 lines
12 KiB
Ruby
385 lines
12 KiB
Ruby
# encoding: utf-8
|
|
# author: Christoph Hartmann
|
|
# author: Dominik Richter
|
|
# license: All rights reserved
|
|
|
|
# Usage:
|
|
# describe service('dhcp') do
|
|
# it { should be_enabled }
|
|
# it { should be_installed }
|
|
# it { should be_running }
|
|
# end
|
|
#
|
|
# We detect the init system for each operating system, based on the operating
|
|
# system.
|
|
#
|
|
# Fedora 15 : systemd
|
|
# RedHat 7 : systemd
|
|
# Ubuntu 15.04 : systemd
|
|
# Ubuntu < 15.04 : upstart
|
|
#
|
|
# TODO: extend the logic to detect the running init system, independently of OS
|
|
class Service < Inspec.resource(1)
|
|
name 'service'
|
|
|
|
def initialize(service_name)
|
|
@service_name = service_name
|
|
@service_mgmt = nil
|
|
@cache = nil
|
|
select_package_manager
|
|
end
|
|
|
|
def select_package_manager # rubocop:disable Metrics/AbcSize, Metrics/CyclomaticComplexity, Metrics/PerceivedComplexity
|
|
family = inspec.os[:family]
|
|
|
|
case family
|
|
# Ubuntu
|
|
# @see: https://wiki.ubuntu.com/SystemdForUpstartUsers
|
|
# Ubuntu 15.04 : Systemd
|
|
# Systemd runs with PID 1 as /sbin/init.
|
|
# Upstart runs with PID 1 as /sbin/upstart.
|
|
# Ubuntu < 15.04 : Upstart
|
|
# Upstart runs with PID 1 as /sbin/init.
|
|
# Systemd runs with PID 1 as /lib/systemd/systemd.
|
|
when 'ubuntu'
|
|
version = inspec.os[:release].to_f
|
|
if version < 15.04
|
|
@service_mgmt = Upstart.new(inspec)
|
|
else
|
|
@service_mgmt = Systemd.new(inspec)
|
|
end
|
|
when 'debian'
|
|
version = inspec.os[:release].to_i
|
|
if version > 7
|
|
@service_mgmt = Systemd.new(inspec)
|
|
else
|
|
@service_mgmt = SysV.new(inspec)
|
|
end
|
|
when 'redhat', 'fedora', 'centos'
|
|
version = inspec.os[:release].to_i
|
|
if (%w{ redhat centos }.include?(family) && version >= 7) || (family == 'fedora' && version >= 15)
|
|
@service_mgmt = Systemd.new(inspec)
|
|
else
|
|
@service_mgmt = SysV.new(inspec)
|
|
end
|
|
when 'darwin'
|
|
@service_mgmt = LaunchCtl.new(inspec)
|
|
when 'windows'
|
|
@service_mgmt = WindowsSrv.new(inspec)
|
|
when 'freebsd'
|
|
@service_mgmt = BSDInit.new(inspec)
|
|
when 'arch', 'opensuse'
|
|
@service_mgmt = Systemd.new(inspec)
|
|
end
|
|
|
|
return skip_resource 'The `service` resource is not supported on your OS yet.' if @service_mgmt.nil?
|
|
end
|
|
|
|
def info
|
|
return @cache if !@cache.nil?
|
|
return nil if @service_mgmt.nil?
|
|
@cache = @service_mgmt.info(@service_name)
|
|
end
|
|
|
|
# verifies the service is enabled
|
|
def enabled?(_level = nil)
|
|
return false if info.nil?
|
|
info[:enabled]
|
|
end
|
|
|
|
# verifies the service is registered
|
|
def installed?(_name = nil, _version = nil)
|
|
return false if info.nil?
|
|
info[:installed]
|
|
end
|
|
|
|
# verifies the service is currently running
|
|
def running?(_under = nil)
|
|
return false if info.nil?
|
|
info[:running]
|
|
end
|
|
|
|
def to_s
|
|
"Service #{@service_name}"
|
|
end
|
|
end
|
|
|
|
class ServiceManager
|
|
attr_reader :inspec
|
|
def initialize(inspec)
|
|
@inspec = inspec
|
|
end
|
|
end
|
|
|
|
# @see: http://www.freedesktop.org/software/systemd/man/systemctl.html
|
|
# @see: http://www.freedesktop.org/software/systemd/man/systemd-system.conf.html
|
|
class Systemd < ServiceManager
|
|
def info(service_name)
|
|
cmd = inspec.command("systemctl show --all #{service_name}")
|
|
return nil if cmd.exit_status.to_i != 0
|
|
|
|
# parse data
|
|
params = SimpleConfig.new(
|
|
cmd.stdout.chomp,
|
|
assignment_re: /^\s*([^=]*?)\s*=\s*(.*?)\s*$/,
|
|
multiple_values: false,
|
|
).params
|
|
|
|
# LoadState values eg. loaded, not-found
|
|
params['LoadState'] == 'loaded' ? (installed = true) : (installed = false)
|
|
# test via 'systemctl is-active service'
|
|
# SubState values running
|
|
params['SubState'] == 'running' ? (running = true) : (running = false)
|
|
# test via systemctl --quiet is-enabled
|
|
# ActiveState values eg.g inactive, active
|
|
params['ActiveState'] == 'active' ? (enabled = true) : (enabled = false)
|
|
|
|
{
|
|
name: params['Id'],
|
|
description: params['Description'],
|
|
installed: installed,
|
|
running: running,
|
|
enabled: enabled,
|
|
type: 'systemd',
|
|
}
|
|
end
|
|
end
|
|
|
|
# @see: http://upstart.ubuntu.com
|
|
class Upstart < ServiceManager
|
|
def info(service_name)
|
|
# get the status of upstart service
|
|
status = inspec.command("initctl status #{service_name}")
|
|
|
|
# fallback for systemv services, those are not handled via `initctl`
|
|
return SysV.new(inspec).info(service_name) if status.exit_status.to_i != 0
|
|
|
|
# @see: http://upstart.ubuntu.com/cookbook/#job-states
|
|
# grep for running to indicate the service is there
|
|
running = !status.stdout[/running/].nil?
|
|
|
|
{
|
|
name: service_name,
|
|
description: nil,
|
|
installed: true,
|
|
running: running,
|
|
enabled: info_enabled(status, service_name),
|
|
type: 'upstart',
|
|
}
|
|
end
|
|
|
|
private
|
|
|
|
def info_enabled(status, service_name)
|
|
# check if a service is enabled
|
|
# http://upstart.ubuntu.com/cookbook/#determine-if-a-job-is-disabled
|
|
# $ initctl show-config $job | grep -q "^ start on" && echo enabled || echo disabled
|
|
# Ubuntu 10.04 show-config is not supported
|
|
# @see http://manpages.ubuntu.com/manpages/maverick/man8/initctl.8.html
|
|
config = inspec.command("initctl show-config #{service_name}")
|
|
enabled = !config.stdout[/^\s*start on/].nil?
|
|
|
|
# implement fallback for Ubuntu 10.04
|
|
if inspec.os[:family] == 'ubuntu' &&
|
|
inspec.os[:release].to_f >= 10.04 &&
|
|
inspec.os[:release].to_f < 12.04 &&
|
|
status.exit_status == 0
|
|
enabled = true
|
|
end
|
|
|
|
enabled
|
|
end
|
|
end
|
|
|
|
class SysV < ServiceManager
|
|
def info(service_name)
|
|
# check if service is installed
|
|
# read all available services via ls /etc/init.d/
|
|
srvlist = inspec.command('ls -1 /etc/init.d/')
|
|
return nil if srvlist.exit_status != 0
|
|
|
|
# check if the service is in list
|
|
service = srvlist.stdout.split("\n").select { |srv| srv == service_name }
|
|
|
|
# abort if we could not find any service
|
|
return nil if service.empty?
|
|
|
|
# read all enabled services from runlevel
|
|
# on rhel via: 'chkconfig --list', is not installed by default
|
|
# bash: for i in `find /etc/rc*.d -name S*`; do basename $i | sed -r 's/^S[0-9]+//'; done | sort | uniq
|
|
enabled_services_cmd = inspec.command('find /etc/rc*.d -name S*')
|
|
enabled_services = enabled_services_cmd.stdout.split("\n").select { |line|
|
|
/(^.*#{service_name}.*)/.match(line)
|
|
}
|
|
enabled_services.empty? ? enabled = false : enabled = true
|
|
|
|
# check if service is really running
|
|
# service throws an exit code if the service is not installed or
|
|
# not enabled
|
|
|
|
# on debian service is located /usr/sbin/service, on centos it is located here /sbin/service
|
|
service_cmd = 'service'
|
|
service_cmd = '/usr/sbin/service' if inspec.os[:family] == 'debian'
|
|
service_cmd = '/sbin/service' if inspec.os[:family] == 'centos'
|
|
|
|
cmd = inspec.command("#{service_cmd} #{service_name} status")
|
|
cmd.exit_status == 0 ? (running = true) : (running = false)
|
|
{
|
|
name: service_name,
|
|
description: nil,
|
|
installed: true,
|
|
running: running,
|
|
enabled: enabled,
|
|
type: 'sysv',
|
|
}
|
|
end
|
|
end
|
|
|
|
# @see: https://www.freebsd.org/doc/en/articles/linux-users/startup.html
|
|
# @see: https://www.freebsd.org/cgi/man.cgi?query=rc.conf&sektion=5
|
|
class BSDInit < ServiceManager
|
|
def info(service_name)
|
|
# check if service is enabled
|
|
# services are enabled in /etc/rc.conf and /etc/defaults/rc.conf
|
|
# via #{service_name}_enable="YES"
|
|
# service SERVICE status returns the following result if not activated:
|
|
# Cannot 'status' sshd. Set sshd_enable to YES in /etc/rc.conf or use 'onestatus' instead of 'status'.
|
|
# gather all enabled services
|
|
cmd = inspec.command('service -e')
|
|
return nil if cmd.exit_status != 0
|
|
|
|
# search for the service
|
|
srv = /(^.*#{service_name}$)/.match(cmd.stdout)
|
|
return nil if srv.nil? || srv[0].nil?
|
|
enabled = true
|
|
|
|
# check if the service is running
|
|
# if the service is not available or not running, we always get an error code
|
|
cmd = inspec.command("service #{service_name} onestatus")
|
|
cmd.exit_status == 0 ? (running = true) : (running = false)
|
|
|
|
{
|
|
name: service_name,
|
|
description: nil,
|
|
installed: true,
|
|
running: running,
|
|
enabled: enabled,
|
|
type: 'bsd-init',
|
|
}
|
|
end
|
|
end
|
|
|
|
# MacOS / Darwin
|
|
# new launctl on macos 10.10
|
|
class LaunchCtl < ServiceManager
|
|
def info(service_name)
|
|
# get the status of upstart service
|
|
cmd = inspec.command('launchctl list')
|
|
return nil if cmd.exit_status != 0
|
|
|
|
# search for the service
|
|
srv = /(^.*#{service_name}.*)/.match(cmd.stdout)
|
|
return nil if srv.nil? || srv[0].nil?
|
|
|
|
# extract values from service
|
|
parsed_srv = /^([0-9]+)\s*(\w*)\s*(\S*)/.match(srv[0])
|
|
!parsed_srv.nil? ? (enabled = true) : (enabled = false)
|
|
|
|
# check if the service is running
|
|
pid = parsed_srv[0]
|
|
!pid.nil? ? (running = true) : (running = false)
|
|
|
|
# extract service label
|
|
srv = parsed_srv[3] || service_name
|
|
|
|
{
|
|
name: srv,
|
|
description: nil,
|
|
installed: true,
|
|
running: running,
|
|
enabled: enabled,
|
|
type: 'darwin',
|
|
}
|
|
end
|
|
end
|
|
|
|
# Determine the service state from Windows
|
|
# Uses Powershell to retrieve the information
|
|
class WindowsSrv < ServiceManager
|
|
# Determine service details
|
|
# PS: Get-Service -Name 'dhcp'| Select-Object -Property Name, DisplayName, Status | ConvertTo-Json
|
|
# {
|
|
# "Name": "dhcp",
|
|
# "DisplayName": "DHCP Client",
|
|
# "Status": 4
|
|
# }
|
|
#
|
|
# Until StartMode is not added to Get-Service, we need to do a workaround
|
|
# @see: https://connect.microsoft.com/PowerShell/feedback/details/424948/i-would-like-to-see-the-property-starttype-added-to-get-services
|
|
# Use the following powershell to determine the start mode
|
|
# PS: Get-WmiObject -Class Win32_Service | Where-Object {$_.Name -eq $name -or $_.DisplayName -eq $name} | Select-Object -Prop
|
|
# erty Name, StartMode, State, Status | ConvertTo-Json
|
|
# {
|
|
# "Name": "Dhcp",
|
|
# "StartMode": "Auto",
|
|
# "State": "Running",
|
|
# "Status": "OK"
|
|
# }
|
|
#
|
|
# Windows Services have the following status code:
|
|
# @see: https://msdn.microsoft.com/en-us/library/windows/desktop/ms685996(v=vs.85).aspx
|
|
# - 1: Stopped
|
|
# - 2: Starting
|
|
# - 3: Stopping
|
|
# - 4: Running
|
|
# - 5: Continue Pending
|
|
# - 6: Pause Pending
|
|
# - 7: Paused
|
|
def info(service_name)
|
|
cmd = inspec.command("New-Object -Type PSObject | Add-Member -MemberType NoteProperty -Name Service -Value (Get-Service -Name #{service_name}| Select-Object -Property Name, DisplayName, Status) -PassThru | Add-Member -MemberType NoteProperty -Name WMI -Value (Get-WmiObject -Class Win32_Service | Where-Object {$_.Name -eq '#{service_name}' -or $_.DisplayName -eq '#{service_name}'} | Select-Object -Property StartMode) -PassThru | ConvertTo-Json")
|
|
|
|
# cannot rely on exit code for now, successful command returns exit code 1
|
|
# return nil if cmd.exit_status != 0
|
|
# try to parse json
|
|
begin
|
|
service = JSON.parse(cmd.stdout)
|
|
rescue JSON::ParserError => _e
|
|
return nil
|
|
end
|
|
|
|
# check that we got a response
|
|
return nil if service.nil? || service['Service'].nil?
|
|
|
|
{
|
|
name: service['Service']['Name'],
|
|
description: service['Service']['DisplayName'],
|
|
installed: true,
|
|
running: service_running?(service),
|
|
enabled: service_enabled?(service),
|
|
type: 'windows',
|
|
}
|
|
end
|
|
|
|
private
|
|
|
|
# detect if service is enabled
|
|
def service_enabled?(service)
|
|
if !service['WMI'].nil? &&
|
|
!service['WMI']['StartMode'].nil? &&
|
|
service['WMI']['StartMode'] == 'Auto'
|
|
true
|
|
else
|
|
false
|
|
end
|
|
end
|
|
|
|
# detect if service is running
|
|
def service_running?(service)
|
|
if !service['Service']['Status'].nil? &&
|
|
service['Service']['Status'] == 4
|
|
true
|
|
else
|
|
false
|
|
end
|
|
end
|
|
end
|