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#
# Author:: Adam Jacob (<adam@chef.io>)
# Copyright:: Copyright 2008-2016, Chef Software Inc.
# License:: Apache License, Version 2.0
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
require "pathname"
require "chef/provider/user"
class Chef
class Provider
class User
class Useradd < Chef::Provider::User
provides :user
UNIVERSAL_OPTIONS = [[:comment, "-c"], [:gid, "-g"], [:password, "-p"], [:shell, "-s"], [:uid, "-u"]]
def create_user
command = compile_command("useradd") do |useradd|
useradd.concat(universal_options)
useradd.concat(useradd_options)
end
shell_out!(*command)
end
def manage_user
unless universal_options.empty?
command = compile_command("usermod") do |u|
u.concat(universal_options)
end
shell_out!(*command)
end
end
def remove_user
command = [ "userdel" ]
command << "-r" if managing_home_dir?
command << "-f" if new_resource.force
command << new_resource.username
shell_out!(*command)
end
def check_lock
# we can get an exit code of 1 even when it's successful on
# rhel/centos (redhat bug 578534). See additional error checks below.
passwd_s = shell_out!("passwd", "-S", new_resource.username, :returns => [0,1])
if whyrun_mode? && passwd_s.stdout.empty? && passwd_s.stderr.match(/does not exist/)
# if we're in whyrun mode and the user is not yet created we assume it would be
return false
end
raise Chef::Exceptions::User, "Cannot determine if #{@new_resource} is locked!" if passwd_s.stdout.empty?
status_line = passwd_s.stdout.split(" ")
case status_line[1]
when /^P/
@locked = false
when /^N/
@locked = false
when /^L/
@locked = true
end
unless passwd_s.exitstatus == 0
raise_lock_error = false
if ["redhat", "centos"].include?(node[:platform])
passwd_version_check = shell_out!("rpm -q passwd")
passwd_version = passwd_version_check.stdout.chomp
unless passwd_version == "passwd-0.73-1"
raise_lock_error = true
end
else
raise_lock_error = true
end
raise Chef::Exceptions::User, "Cannot determine if #{new_resource} is locked!" if raise_lock_error
end
@locked
end
def lock_user
shell_out!("usermod", "-L", new_resource.username)
end
def unlock_user
shell_out!("usermod", "-U", new_resource.username)
end
def compile_command(base_command)
base_command = Array(base_command)
yield base_command
base_command << new_resource.username
base_command
end
def universal_options
@universal_options ||=
begin
opts = []
# magic allows UNIVERSAL_OPTIONS to be overridden in a subclass
self.class::UNIVERSAL_OPTIONS.each do |field, option|
update_options(field, option, opts)
end
if updating_home?
if managing_home_dir?
Chef::Log.debug("#{new_resource} managing the users home directory")
opts << "-d" << new_resource.home << "-m"
else
Chef::Log.debug("#{new_resource} setting home to #{new_resource.home}")
opts << "-d" << new_resource.home
end
end
opts << "-o" if new_resource.non_unique || new_resource.supports[:non_unique]
opts
end
end
def update_options(field, option, opts)
if @current_resource.send(field).to_s != new_resource.send(field).to_s
if new_resource.send(field)
Chef::Log.debug("#{new_resource} setting #{field} to #{new_resource.send(field)}")
opts << option << new_resource.send(field).to_s
end
end
end
def useradd_options
opts = []
opts << "-r" if new_resource.system
opts
end
def updating_home?
# will return false if paths are equivalent
# Pathname#cleanpath does a better job than ::File::expand_path (on both unix and windows)
# ::File.expand_path("///tmp") == ::File.expand_path("/tmp") => false
# ::File.expand_path("\\tmp") => "C:/tmp"
return true if @current_resource.home.nil? && new_resource.home
new_resource.home and Pathname.new(@current_resource.home).cleanpath != Pathname.new(new_resource.home).cleanpath
end
def managing_home_dir?
new_resource.manage_home || new_resource.supports[:manage_home]
end
end
end
end
end
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