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#
# Copyright:: Copyright 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 "chef/provider/user"
class Chef
class Provider
class User
class Linux < Chef::Provider::User
provides :linux_user
provides :user, os: "linux"
def create_user
shell_out_compact!("useradd", universal_options, useradd_options, new_resource.username)
end
def manage_user
shell_out_compact!("usermod", universal_options, usermod_options, new_resource.username)
end
def remove_user
shell_out_compact!("userdel", userdel_options, new_resource.username)
end
def lock_user
shell_out_compact!("usermod", "-L", new_resource.username)
end
def unlock_user
shell_out_compact!("usermod", "-U", new_resource.username)
end
# common to usermod and useradd
def universal_options
opts = []
opts << "-c" << new_resource.comment if should_set?(:comment)
opts << "-g" << new_resource.gid if should_set?(:gid)
opts << "-p" << new_resource.password if should_set?(:password)
opts << "-s" << new_resource.shell if should_set?(:shell)
opts << "-u" << new_resource.uid if should_set?(:uid)
opts << "-d" << new_resource.home if updating_home?
opts << "-o" if non_unique?
opts
end
def usermod_options
opts = []
if updating_home?
if managing_home_dir?
opts << "-m"
end
end
opts
end
def useradd_options
opts = []
opts << "-r" if new_resource.system
opts << if managing_home_dir?
"-m"
else
"-M"
end
opts
end
def userdel_options
opts = []
opts << "-r" if managing_home_dir?
opts << "-f" if new_resource.force
opts
end
def should_set?(sym)
current_resource.send(sym).to_s != new_resource.send(sym).to_s && new_resource.send(sym)
end
def updating_home?
return false unless new_resource.home
return true unless current_resource.home
new_resource.home && Pathname.new(current_resource.home).cleanpath != Pathname.new(new_resource.home).cleanpath
end
def check_lock
# there's an old bug in rhel (https://bugzilla.redhat.com/show_bug.cgi?id=578534)
# which means that both 0 and 1 can be success.
passwd_s = shell_out_compact("passwd", "-S", new_resource.username, returns: [ 0, 1 ])
# checking "does not exist" has to come before exit code handling since centos and ubuntu differ in exit codes
if passwd_s.stderr =~ /does not exist/
return false if whyrun_mode?
raise Chef::Exceptions::User, "User #{new_resource.username} does not exist when checking lock status for #{new_resource}"
end
# now raise if we didn't get a 0 or 1 (see above)
passwd_s.error!
# now the actual output parsing
@locked = nil
status_line = passwd_s.stdout.split(" ")
@locked = false if status_line[1] =~ /^[PN]/
@locked = true if status_line[1] =~ /^L/
raise Chef::Exceptions::User, "Cannot determine if user #{new_resource.username} is locked for #{new_resource}" if @locked.nil?
# FIXME: should probably go on the current_resource
@locked
end
end
end
end
end
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