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#
# Author:: Adam Jacob (<adam@opscode.com>)
# Copyright:: Copyright (c) 2008 Opscode, 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
UNIVERSAL_OPTIONS = [[:comment, "-c"], [:gid, "-g"], [:password, "-p"], [:shell, "-s"], [:uid, "-u"]]
def create_user
command = compile_command("useradd") do |useradd|
useradd << universal_options
useradd << useradd_options
end
run_command(:command => command)
end
def manage_user
command = compile_command("usermod") do |u|
u << universal_options
end
run_command(:command => command)
end
def remove_user
command = "userdel"
command << " -r" if managing_home_dir?
command << " #{@new_resource.username}"
run_command(:command => command)
end
def check_lock
status = popen4("passwd -S #{@new_resource.username}") do |pid, stdin, stdout, stderr|
status_line = stdout.gets.split(' ')
case status_line[1]
when /^P/
@locked = false
when /^N/
@locked = false
when /^L/
@locked = true
end
end
unless status.exitstatus == 0
raise_lock_error = false
# we can get an exit code of 1 even when it's successful on rhel/centos (redhat bug 578534)
if status.exitstatus == 1 && ['redhat', 'centos'].include?(node[:platform])
passwd_version_status = popen4('rpm -q passwd') do |pid, stdin, stdout, stderr|
passwd_version = stdout.gets.chomp
unless passwd_version == 'passwd-0.73-1'
raise_lock_error = true
end
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
run_command(:command => "usermod -L #{@new_resource.username}")
end
def unlock_user
run_command(:command => "usermod -U #{@new_resource.username}")
end
def compile_command(base_command)
yield base_command
base_command << " #{@new_resource.username}"
base_command
end
def universal_options
opts = ''
UNIVERSAL_OPTIONS.each do |field, option|
if @current_resource.send(field) != @new_resource.send(field)
if @new_resource.send(field)
Chef::Log.debug("#{@new_resource} setting #{field} to #{@new_resource.send(field)}")
opts << " #{option} '#{@new_resource.send(field)}'"
end
end
end
if updating_home?
if managing_home_dir?
Chef::Log.debug("#{@new_resource} managing the users home directory")
opts << " -m -d '#{@new_resource.home}'"
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
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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