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Chef::Provider::User::Dscl

Public Instance Methods

check_lock() click to toggle source
# File lib/chef/provider/user/dscl.rb, line 232
def check_lock
  return @locked = locked?
end
create_user() click to toggle source
# File lib/chef/provider/user/dscl.rb, line 153
def create_user
  dscl_create_user
  dscl_create_comment
  set_uid
  dscl_set_gid
  modify_home
  dscl_set_shell
  modify_password
end
current_home_exists?() click to toggle source
# File lib/chef/provider/user/dscl.rb, line 252
def current_home_exists?
  ::File.exist?("#{@current_resource.home}")
end
ditto_home() click to toggle source
# File lib/chef/provider/user/dscl.rb, line 260
def ditto_home
  skel = "/System/Library/User Template/English.lproj"
  raise(Chef::Exceptions::User,"can't find skel at: #{skel}") unless ::File.exists?(skel)
  shell_out! "ditto '#{skel}' '#{@new_resource.home}'"
  ::FileUtils.chown_R(@new_resource.username,@new_resource.gid.to_s,@new_resource.home)
end
diverged?(parameter) click to toggle source
# File lib/chef/provider/user/dscl.rb, line 278
def diverged?(parameter)
  parameter_updated?(parameter) && (not @new_resource.send(parameter).nil?)
end
dscl(*args) click to toggle source
# File lib/chef/provider/user/dscl.rb, line 32
def dscl(*args)
  shell_out("dscl . -#{args.join(' ')}")
end
dscl_create_comment() click to toggle source
# File lib/chef/provider/user/dscl.rb, line 177
def dscl_create_comment
  safe_dscl("create /Users/#{@new_resource.username} RealName '#{@new_resource.comment}'")
end
dscl_create_user() click to toggle source
# File lib/chef/provider/user/dscl.rb, line 173
def dscl_create_user
  safe_dscl("create /Users/#{@new_resource.username}")              
end
dscl_set_gid() click to toggle source
# File lib/chef/provider/user/dscl.rb, line 181
def dscl_set_gid
  unless @new_resource.gid && @new_resource.gid.to_s.match(/^\d+$/)
    begin
      possible_gid = safe_dscl("read /Groups/#{@new_resource.gid} PrimaryGroupID").split(" ").last
    rescue Chef::Exceptions::DsclCommandFailed => e
      raise Chef::Exceptions::GroupIDNotFound.new("Group not found for #{@new_resource.gid} when creating user #{@new_resource.username}")
    end
    @new_resource.gid(possible_gid) if possible_gid && possible_gid.match(/^\d+$/)
  end
  safe_dscl("create /Users/#{@new_resource.username} PrimaryGroupID '#{@new_resource.gid}'")
end
dscl_set_shell() click to toggle source
# File lib/chef/provider/user/dscl.rb, line 193
def dscl_set_shell
  if @new_resource.password || ::File.exists?("#{@new_resource.shell}")
    safe_dscl("create /Users/#{@new_resource.username} UserShell '#{@new_resource.shell}'")
  else
    safe_dscl("create /Users/#{@new_resource.username} UserShell '/usr/bin/false'")
  end
end
get_free_uid(search_limit=1000) click to toggle source

get a free UID greater than 200

# File lib/chef/provider/user/dscl.rb, line 51
def get_free_uid(search_limit=1000)
  uid = nil; next_uid_guess = 200
  users_uids = safe_dscl("list /Users uid")
  while(next_uid_guess < search_limit + 200)
    if users_uids =~ Regexp.new("#{Regexp.escape(next_uid_guess.to_s)}\n")
      next_uid_guess += 1
    else
      uid = next_uid_guess
      break
    end
  end
  return uid || raise("uid not found. Exhausted. Searched #{search_limit} times")
end
guid() click to toggle source
# File lib/chef/provider/user/dscl.rb, line 103
def guid
  safe_dscl("read /Users/#{@new_resource.username} GeneratedUID").gsub(/GeneratedUID: /,"").strip
end
load_current_resource() click to toggle source
# File lib/chef/provider/user/dscl.rb, line 148
def load_current_resource
  super
  raise Chef::Exceptions::User, "Could not find binary /usr/bin/dscl for #{@new_resource}" unless ::File.exists?("/usr/bin/dscl")
end
lock_user() click to toggle source
# File lib/chef/provider/user/dscl.rb, line 236
def lock_user
  safe_dscl("append /Users/#{@new_resource.username} AuthenticationAuthority ';DisabledUser;'")
end
locked?() click to toggle source
# File lib/chef/provider/user/dscl.rb, line 223
def locked?
  user_info = safe_dscl("read /Users/#{@new_resource.username}")
  if auth_authority_md = AUTHENTICATION_AUTHORITY.match(user_info)
    !!(auth_authority_md[1] =~ /DisabledUser/ )
  else
    false
  end
end
manage_user() click to toggle source
# File lib/chef/provider/user/dscl.rb, line 163
def manage_user
  dscl_create_user    if diverged?(:username)
  dscl_create_comment if diverged?(:comment)
  set_uid             if diverged?(:uid)
  dscl_set_gid        if diverged?(:gid)
  modify_home         if diverged?(:home)
  dscl_set_shell      if diverged?(:shell)
  modify_password     if diverged?(:password)
end
modify_home() click to toggle source
# File lib/chef/provider/user/dscl.rb, line 79
def modify_home
  return safe_dscl("delete /Users/#{@new_resource.username} NFSHomeDirectory") if (@new_resource.home.nil? || @new_resource.home.empty?)
  if @new_resource.supports[:manage_home]
    validate_home_dir_specification!
    
    if (@current_resource.home == @new_resource.home) && !new_home_exists?
      ditto_home
    elsif !current_home_exists? && !new_home_exists?
      ditto_home
    elsif current_home_exists?
      move_home
    end
  end
  safe_dscl("create /Users/#{@new_resource.username} NFSHomeDirectory '#{@new_resource.home}'")
end
modify_password() click to toggle source
# File lib/chef/provider/user/dscl.rb, line 116
def modify_password
  if @new_resource.password
    shadow_hash = nil
    
    Chef::Log.debug("#{new_resource} updating password")
    if osx_shadow_hash?(@new_resource.password)
      shadow_hash = @new_resource.password.upcase
    else
      if osx_salted_sha1?(@new_resource.password)
        salted_sha1 = @new_resource.password.upcase
      else
        hex_salt = ""
        OpenSSL::Random.random_bytes(10).each_byte { |b| hex_salt << b.to_i.to_s(16) }
        hex_salt = hex_salt.slice(0...8)
        salt = [hex_salt].pack("H*")
        sha1 = ::OpenSSL::Digest::SHA1.hexdigest(salt+@new_resource.password)
        salted_sha1 = (hex_salt+sha1).upcase
      end
      shadow_hash = String.new("00000000"*155)
      shadow_hash[168] = salted_sha1
    end
    
    ::File.open("/var/db/shadow/hash/#{guid}",'w',0600) do |output|
      output.puts shadow_hash
    end
    
    unless shadow_hash_set?
      safe_dscl("append /Users/#{@new_resource.username} AuthenticationAuthority ';ShadowHash;'")
    end
  end
end
move_home() click to toggle source
# File lib/chef/provider/user/dscl.rb, line 267
def move_home
  Chef::Log.debug("#{@new_resource} moving #{self} home from #{@current_resource.home} to #{@new_resource.home}")
  
  src = @current_resource.home
  FileUtils.mkdir_p(@new_resource.home)
  files = ::Dir.glob("#{src}/*", ::File::FNM_DOTMATCH) - ["#{src}/.","#{src}/.."]
  ::FileUtils.mv(files,@new_resource.home, :force => true)
  ::FileUtils.rmdir(src)
  ::FileUtils.chown_R(@new_resource.username,@new_resource.gid.to_s,@new_resource.home)
end
new_home_exists?() click to toggle source
# File lib/chef/provider/user/dscl.rb, line 256
def new_home_exists?
  ::File.exist?("#{@new_resource.home}")          
end
osx_salted_sha1?(string) click to toggle source
# File lib/chef/provider/user/dscl.rb, line 99
def osx_salted_sha1?(string)
  return !! ( string =~ /^[[:xdigit:]]{48}$/ )
end
osx_shadow_hash?(string) click to toggle source
# File lib/chef/provider/user/dscl.rb, line 95
def osx_shadow_hash?(string)
  return !! ( string =~ /^[[:xdigit:]]{1240}$/ )
end
parameter_updated?(parameter) click to toggle source
# File lib/chef/provider/user/dscl.rb, line 282
def parameter_updated?(parameter)
  not (@new_resource.send(parameter) == @current_resource.send(parameter))
end
remove_user() click to toggle source
# File lib/chef/provider/user/dscl.rb, line 201
def remove_user
  if @new_resource.supports[:manage_home]
    user_info = safe_dscl("read /Users/#{@new_resource.username}") 
    if nfs_home_match = user_info.match(NFS_HOME_DIRECTORY)
      #nfs_home = safe_dscl("read /Users/#{@new_resource.username} NFSHomeDirectory")
      #nfs_home.gsub!(/NFSHomeDirectory: /,"").gsub!(/\n$/,"")
      nfs_home = nfs_home_match[1]
      FileUtils.rm_rf(nfs_home)
    end
  end
  # remove the user from its groups
  groups = []
  Etc.group do |group|
    groups << group.name if group.mem.include?(@new_resource.username)
  end
  groups.each do |group_name|
    safe_dscl("delete /Groups/#{group_name} GroupMembership '#{@new_resource.username}'")
  end
  # remove user account
  safe_dscl("delete /Users/#{@new_resource.username}")
end
safe_dscl(*args) click to toggle source
# File lib/chef/provider/user/dscl.rb, line 36
def safe_dscl(*args)
  result = dscl(*args)
  return "" if ( args.first =~ /^delete/ ) && ( result.exitstatus != 0 )
  raise(Chef::Exceptions::DsclCommandFailed,"dscl error: #{result.inspect}") unless result.exitstatus == 0
  raise(Chef::Exceptions::DsclCommandFailed,"dscl error: #{result.inspect}") if result.stdout =~ /No such key: /
  return result.stdout
end
set_uid() click to toggle source
# File lib/chef/provider/user/dscl.rb, line 71
def set_uid
  @new_resource.uid(get_free_uid) if (@new_resource.uid.nil? || @new_resource.uid == '')
  if uid_used?(@new_resource.uid)
    raise(Chef::Exceptions::RequestedUIDUnavailable, "uid #{@new_resource.uid} is already in use")
  end
  safe_dscl("create /Users/#{@new_resource.username} UniqueID #{@new_resource.uid}")
end
shadow_hash_set?() click to toggle source
# File lib/chef/provider/user/dscl.rb, line 107
def shadow_hash_set?
  user_data = safe_dscl("read /Users/#{@new_resource.username}") 
  if user_data =~ /AuthenticationAuthority: / && user_data =~ /ShadowHash/
    true
  else
    false
  end
end
uid_used?(uid) click to toggle source
# File lib/chef/provider/user/dscl.rb, line 65
def uid_used?(uid)
  return false unless uid
  users_uids = safe_dscl("list /Users uid")
  !! ( users_uids =~ Regexp.new("#{Regexp.escape(uid.to_s)}\n") )
end
unlock_user() click to toggle source
# File lib/chef/provider/user/dscl.rb, line 240
def unlock_user
  auth_info = safe_dscl("read /Users/#{@new_resource.username} AuthenticationAuthority")
  auth_string = auth_info.gsub(/AuthenticationAuthority: /,"").gsub(/;DisabledUser;/,"").strip#.gsub!(/[; ]*$/,"")
  safe_dscl("create /Users/#{@new_resource.username} AuthenticationAuthority '#{auth_string}'")
end
validate_home_dir_specification!() click to toggle source
# File lib/chef/provider/user/dscl.rb, line 246
def validate_home_dir_specification!
  unless @new_resource.home =~ /^\//
    raise(Chef::Exceptions::InvalidHomeDirectory,"invalid path spec for User: '#{@new_resource.username}', home directory: '#{@new_resource.home}'") 
  end
end

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