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root/bin/shadowwalker @ 67b9f8b3

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#!/usr/bin/ruby -Ku

#--
# LdapShadows, a Medium-level LDAP Access Library and Tool.
# Copyright (c) 2009 Marc Dequènes (Duck) <Duck@DuckCorp.org>
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#++

# to allow in-place run for test
$: << File.join(File.dirname(__FILE__), "..", "lib")

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# get locale from shell
locale = ENV['LANGUAGE'] || ENV['LC_ALL'] || ENV['LC_MESSAGES'] || ENV['LANG']

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require 'ldap_shadows'
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require 'ldap_shadows/display_utils'
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require 'yaml'
require 'cmdparse2'

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include LdapShadows

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set_locale(locale)
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config_str = IO.read(File.join(LdapShadows::Config::CFG_DIR, "test.conf"))
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config = YAML.load(config_str)
config_str_prv_filelist = [
File.join(ENV['HOME'], ".shadowwalker"),
File.join(LdapShadows::Config::CFG_DIR, "private.conf")
]
config_str_prv_filelist.each do |file|
if File.exists?(file)
config_str_prv = IO.read(file)
config.merge!(YAML.load(config_str_prv))
break
end
end
config.recursive_symbolize_keys!
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$program_options = {}

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cmdparser = CmdParse::CommandParser.new(true)
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cmdparser.banner = PRODUCT
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cmdparser.program_name = File.basename(__FILE__)
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cmdparser.program_version = VERSION.split(".")
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cmdparser.options = CmdParse::OptionParserWrapper.new do |opt|
opt.separator "Global options:"
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opt.on("-d", "--debug", "Output debug info without being formated") {|t| $program_options[:debug] = true }
opt.on("-e", "--expert", "Output extra info for expert users") {|t| $program_options[:expert] = true }
opt.on("-H", "--handles", "Output with handles (objects/field/... keys used for manipulations)") {|t| $program_options[:handles] = true }
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end

cmdparser.add_command(CmdParse::HelpCommand.new)
cmdparser.add_command(CmdParse::VersionCommand.new)

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$ldapctl = Controller.new
$ldapctl.set_global_config(config[:presentation])
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config[:aspects].each_pair do |aspect_name, aspect_data|
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$ldapctl.set_aspect(aspect_name, aspect_data)
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end
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begin
ActiveLdap::Base.setup_connection(config[:ldap])

config[:objects].each_pair do |obj_name, obj_data|
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$ldapctl.load_object(obj_name, obj_data)
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end
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$ldapctl.load_relations
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rescue ActiveLdap::Error => e
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STDERR.puts _("LDAP connection error: %s") % e.to_s
exit 2
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end


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class Command < CmdParse::Command
attr_accessor :usages_params

def usage
if @usages_params
base_usage_str = super.sub("[ARGS]", "")
usages = @usages_params.collect {|params| base_usage_str + params }
usages.join("\n")
else
super
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end
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end
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protected

def params_shift_location(args)
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raise SyntaxError, _("no location name given") if args.empty?
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location = args.shift.downcase
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raise SyntaxError, _("bad location") unless location =~ /^([a-zA-Z]+)\/(.+)$/
loc_obj_hdl = $1
loc_item_hdl = $2
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split_args = [loc_obj_hdl, loc_item_hdl]
loc_obj_klass = params_shift_object(split_args)
loc_item = params_shift_item(loc_obj_klass, split_args)

[loc_obj_klass, loc_item]
end

def params_shift_object(args)
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raise SyntaxError, _("no object name given") if args.empty?
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obj_hdl = args.shift.downcase.singularize
obj_klass = $ldapctl.find_klass(obj_hdl)
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raise PreProcessingError, _("No such object '%s'") % obj_hdl if obj_klass.nil?
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obj_klass
end

def params_shift_item(obj_klass, args, with_expert = false)
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raise SyntaxError, _("no item name given") if args.empty?
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attr_list = ["*"]
attr_list << "+" if $program_options[:expert] and with_expert # add operational attributes if expert

item_hdl = args.shift.downcase
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begin
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item = obj_klass.find(item_hdl, :attributes => attr_list)
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rescue ActiveLdap::EntryNotFound
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raise PreProcessingError, _("No such item '%s/%s'") % [obj_klass.handle, item_hdl]
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end
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item
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end
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end

class ListCommand < Command
def initialize
super('list', false)

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self.short_desc = "list objects, and items/aspects/fields of an object"
self.usages_params = [
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":objects",
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"<object>",
"<object> :aspects",
"<object> :fields"
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]
end

def execute (args)
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raise SyntaxError, _("no object name given") if args.empty?
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obj_hdl = args.shift.downcase.singularize
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case obj_hdl
when ':object'
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list = $ldapctl.objects
puts "=== List of LDAP objects (#{list.size}) ==="
list.each do |obj_name|
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puts " - #{obj_name}"
end
else
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obj_klass = params_shift_object([obj_hdl])
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if args.empty?
obj_human_name = Translator.translate_object_name(obj_hdl)
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Display.display_item_list("List of #{obj_human_name.pluralize}", obj_klass.find(:all), $program_options)
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else
subobj_hdl = args.shift.downcase.singularize

obj_human_name = Translator.translate_object_name(obj_hdl)

case subobj_hdl
when ':aspect'
list = obj_klass.possible_aspects
puts "=== List of LDAP Aspects of #{obj_human_name.pluralize} (#{list.size}) ==="
list.each do |aspect|
str = Translator.translate_aspect_name(aspect)
str += " [#{aspect}]" if $program_options[:handles]
puts " - #{str}"
end
when ':field'
list = obj_klass.possible_attributes
puts "=== List of LDAP Fields of #{obj_human_name.pluralize} (#{list.size}) ==="
list.each do |field|
str = Translator.translate_field_name(field)
str += " [#{field}]" if $program_options[:handles]
puts " - #{str}"
end
obj_klass.possible_aspects.each do |aspect|
aspect_human_name = Translator.translate_aspect_name(aspect)
list = obj_klass.possible_attributes_for_aspect(aspect)
puts "--- Sublist of LDAP Fields for Aspect #{aspect_human_name} (#{list.size}) ---"
list.each do |field|
str = Translator.translate_field_name(field)
str += " [#{field}]" if $program_options[:handles]
puts " - #{str}"
end
end
else
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raise PreProcessingError, _("No such subobject '%s'") % subobj_hdl
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end
end
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end
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end
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end
cmdparser.add_command(ListCommand.new)

class ShowCommand < Command
def initialize
super('show', false)

self.short_desc = "show item information"
self.usages_params = [
"<object> <item>",
"<object> <item> <field>#?",
"<object> <item> <field>[#<index>]"
]
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end

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def execute (args)
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obj_klass = params_shift_object(args)
item = params_shift_item(obj_klass, args, true)
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if args.empty?
$program_options[:skip_binary] = true
Display.display_item(item, $program_options)
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else
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field_info = args.shift
field_name, file_no = field_info.split("#")
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unless item.has_field?(field_name)
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raise PreProcessingError, _("No such field '%s' in object '%s'") % [field_name, obj_klass.handle]
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end
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unless item.attribute_present?(field_name)
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raise PreProcessingError, _("Field '%s' in item '%s/%s' is not present") %
[field_name, obj_klass.handle, item.name]
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end

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field_data = item.send(field_name, true)
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result_is_binary = false
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if file_no == "?"
result = field_data.size
else
file_no_i = file_no.to_i
file_no = (file_no_i.to_s == file_no) ? file_no_i : nil
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attr_info = ActiveLdap::Base.schema.attribute(field_name)

field_single = attr_info.single_value?
if file_no.nil? and not field_single
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raise PreProcessingError, _("Field '%s' in object '%s' has multiple values, but you didn't select one") %
[field_name, obj_klass.handle]
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end
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file_no = 0 if file_no.nil?
if file_no > 0 and field_single
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raise PreProcessingError, _("Field '%s' in object '%s' has only a single value") %
[field_name, obj_klass.handle]
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end
if file_no < 0 or file_no >= field_data.size
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raise PreProcessingError, _("Field '%s' in object '%s' doesn't have such file number '%s' (select in range [0, %s])") %
[field_name, obj_klass.handle, file_no, field_data.size - 1]
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end

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result = field_data[file_no]
result_is_binary = attr_info.binary?
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end

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if args.empty?
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if result_is_binary
# output binary data without newline, so it can be pipped or redirected easily
STDOUT.write result
else
puts result
end
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else
file_name = args.shift
if File.exists?(file_name)
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raise PreProcessingError, _("File '%s' already exists, and i won't overwrite it") % file_name
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end

begin
open(file_name, "w") do |fp|
fp.write result
end
rescue
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raise ProcessingError, _("Cannot save file: %s") % $!
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end

puts "File saved."
end
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end
end
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end
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cmdparser.add_command(ShowCommand.new)
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class TreeCommand < Command
def initialize
super('tree', false)
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self.short_desc = "show skeleton items tree"
self.usages_params = [
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"[<location>]"
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]
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self.options = CmdParse::OptionParserWrapper.new do |opt|
opt.on( '-a', '--all', 'Display all objects in the tree.' ) { $program_options[:tree_all_objects] = true }
end
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end

def execute (args)
puts "Tree:"

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search_base = nil
unless args.empty?
loc_obj_klass, loc_item = params_shift_location(args)
search_base = loc_item.dn
end
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if $program_options[:tree_all_objects]
dn_list = ActiveLdap::Base.search(:base => search_base, :scope => :sub, :attributes => ['']).collect do |entry|
ActiveLdap::DistinguishedName.parse(entry.first)
end
else
dn_list = []
gconfig = $ldapctl.get_global_config()
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(gconfig[:tree_objects] || []).each do |obj_hdl|
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obj_klass = $ldapctl.find_klass(obj_hdl.downcase)
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unless obj_klass
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raise PreProcessingError, _("Location object '%s' not defined") % obj_hdl
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end

obj_klass.find(:all, :base => search_base, :scope => :sub).each do |obj|
dn_list << obj.dn_obj
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end
end
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end

base_dn = ActiveLdap::DistinguishedName.parse(LdapObject.base)
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tree = {}
dn_list.each do |dn|
ptree = tree
pdn = nil
(dn - base_dn).to_s.split(',').reverse.each do |pdn|
ptree[pdn] = {} unless ptree.has_key?(pdn)
ptree = ptree[pdn]
end
ptree = nil
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end
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tree = {base_dn => tree}

Display.display_hash_tree(tree, 0)
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end
end
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cmdparser.add_command(TreeCommand.new)
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class ModCommand < Command
def initialize
super('mod', false)
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self.short_desc = "Modify attributes of an item"
self.usages_params = [
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"<object> <item> (<field>|<relation>|:aspects)(=|+=|-=)<value> [(<field>|<relation>|:aspects)(=|+=|-=)<value>] ..."
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]
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end

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def execute (args)
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obj_klass = params_shift_object(args)
item = params_shift_item(obj_klass, args)
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modification_done = false
args.each do |mod_info|
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unless mod_info =~ /^([a-zA-Z]*(?::[a-zA-Z]+)?)(=|\+=|-=)(.*)$/
raise SyntaxError, _("modification parameter '%s' is invalid") % mod_info
end
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key = $1
op = $2
val = $3
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if key.index(":")
type, field = key.split(":")
else
type = nil
field = key
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end
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case type
when nil
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unless item.has_field?(field)
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raise PreProcessingError, _("No such field '%s' in object '%s'") % [field, obj_klass.handle]
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end

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attr_info = ActiveLdap::Base.schema.attribute(field)
if attr_info.read_only?
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raise PreProcessingError, _("The field '%s' cannot be modified (read only)") % field
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end

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if attr_info.binary?
unless File.exists?(val)
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raise PreProcessingError, _("The field '%s' contains binary data, you must provide a filename instead of a direct value") % field
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end

begin
val = File.read(val)
rescue
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raise PreProcessingError, _("The file for the binary field '%s' cannot be read: ") % [field, $!]
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end
end
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old_val = item.send(field, true)
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when 'rel'
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unless item.relations.include?(field)
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raise PreProcessingError, _("No such relation '%s' for object '%s'") % [field, obj_klass.handle]
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end

rel_info = item.info_for_relation(field)
if rel_info[:read_only]
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raise PreProcessingError, _("The relation '%s' cannot be modified (read only)") % field
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end

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# fetch remote object in relation, which will be the real 'val'
foreign_item_list = rel_info[:foreign_klass].find(:all, val)
if foreign_item_list.empty?
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raise PreProcessingError, _("Foreign item '%s' for relation '%s' not found") % [val, field]
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end
if foreign_item_list.size > 1
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raise WeirdError, _("Ambiguous item '%s' for relation '%s' (%s possible items)") %
[val, field, foreign_item_list.size]
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end
val = foreign_item_list.first
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when ''
case field
when 'aspects'
unless item.class.possible_aspects.include?(val)
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raise PreProcessingError, _("No such aspect '%s' for object '%s'") % [val, obj_klass.handle]
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end
else
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raise PreProcessingError, _("Unknown core field '%s'") % field
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end
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else
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raise PreProcessingError, _("Unknown type '%s' for field '%s'") % [type, field]
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end
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# if val is nil or the latest value is removed, then the atribute is removed from the object,
# or the association's attribute is removed from one side
case op
when '='
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if type == '' and field == 'aspects'
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raise PreProcessingError, _("The equality operator is not possible for aspects")
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end
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item.send(field + "=", [val])
when '+='
case type
when nil
if attr_info.single_value?
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raise PreProcessingError, _("The field '%s' cannot hold more than one value") % field
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end

new_val = old_val << val
item.send(field + "=", new_val)
when 'rel'
if rel_info[:single_value]
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raise PreProcessingError, _("The relation '%s' cannot hold more than one foreign item") % field
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end

item.send(field) << val
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when ''
case field
when 'aspects'
item.add_aspect(val)
end
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end
when '-='
case type
when nil
new_val = old_val - [val]
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item.send(field + "=", new_val)
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when 'rel'
item.send(field).delete(val)
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when ''
case field
when 'aspects'
item.remove_aspect(val)
end
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end
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end
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modification_done = true
end

if modification_done
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missing_fields = item.missing_attributes
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### temporarily deactivated
# It is needed to test preliminary work on hooks.
# This check should be moved into the save() method, raise an exception is any problem,
# and exceptions caught in a centralized place in this file.
missing_fields = []
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unless missing_fields.empty?
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miss_str = []
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missing_fields.each do |field|
str = Translator.translate_field_name(field)
str += " [#{field}]" if $program_options[:handles]
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miss_str << str
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end
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raise PreProcessingError, _("Cannot save the modifications; the following fields are missing: %s") %
miss_str.join(", ")
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end

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$program_options[:skip_binary] = true
Display.display_item(item, $program_options)
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item.save!
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puts "Modification done."
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else
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puts "Nothing to do."
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end
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end
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end
cmdparser.add_command(ModCommand.new)
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class DelCommand < Command
def initialize
super('del', false)

self.short_desc = "Delete an item"
self.usages_params = [
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"<object> <item>"
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]
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self.options = CmdParse::OptionParserWrapper.new do |opt|
opt.on( '-r', '--recursive', 'Delete object and all children recursively.' ) { $program_options[:recursive_delete] = true }
end
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end

def execute (args)
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obj_klass = params_shift_object(args)
item = params_shift_item(obj_klass, args)
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if $program_options[:recursive_delete]
item.class.delete_all(nil, :scope => :sub, :base => item.dn)
else
item.delete
end
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puts "Deletion done."
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end
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end
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cmdparser.add_command(DelCommand.new)

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class CreateCommand < Command
def initialize
super('create', false)

self.short_desc = "Create an item"
self.usages_params = [
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"<object> <new_item> <location> [<field>=<value>] ..."
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]
end

def execute (args)
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obj_klass = params_shift_object(args)

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raise SyntaxError, _("no item name given") if args.empty?
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item_hdl = args.shift.downcase
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loc_obj_klass, loc_item = params_shift_location(args)
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item = obj_klass.new(item_hdl)
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item.base = loc_item.dn_obj - obj_klass.base_obj
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args.each do |param|
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raise SyntaxError, _("creation parameter '%s' is invalid") % param unless param =~ /^([a-zA-Z]+)=(.*)$/
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key = $1
val = $2

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val = nil if val == ''

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field = key

unless item.has_field?(field)
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raise PreProcessingError, _("No such field '%s' in object '%s'") % [field, obj_klass.handle]
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end

attr_info = ActiveLdap::Base.schema.attribute(field)
if attr_info.read_only?
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raise PreProcessingError, _("The field '%s' cannot be modified (read only)") % field
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end

if attr_info.binary?
unless File.exists?(val)
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raise PreProcessingError, _("The field '%s' contains binary data, you must provide a filename instead of a direct value") % field
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end

begin
val = File.read(val)
rescue
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raise PreProcessingError, _("The file for the binary field '%s' cannot be read: %s") % [field, $!]
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end
end

item.send(field + "=", val)
end

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missing_fields = item.missing_attributes
unless missing_fields.empty?
bf23ac8c Marc Dequènes (Duck)
miss_str = []
d9091cc0 Marc Dequènes (Duck)
missing_fields.each do |field|
str = Translator.translate_field_name(field)
str += " [#{field}]" if $program_options[:handles]
bf23ac8c Marc Dequènes (Duck)
miss_str << str
d9091cc0 Marc Dequènes (Duck)
end
bf23ac8c Marc Dequènes (Duck)
raise PreProcessingError, _("Cannot save the new item; the following fields are missing: %s") %
miss_str.join(", ")
d9091cc0 Marc Dequènes (Duck)
end

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item.save!
end
end
cmdparser.add_command(CreateCommand.new)

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begin
cmdparser.parse
bf23ac8c Marc Dequènes (Duck)
rescue SyntaxError => e
STDERR.puts _("Syntax error: %s") % e.to_s
exit 1
rescue PreProcessingError => e
STDERR.puts _("Preprocessing error: %s") % e.to_s
exit 2
127edd07 Marc Dequènes (Duck)
rescue ActiveLdap::EntryInvalid => e
bf23ac8c Marc Dequènes (Duck)
# work around activeldap#26758 (for english output only :-/)
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STDERR.puts e.to_s.sub(/invalid format: .*: required syntax:/, "invalid format. required syntax:")
127edd07 Marc Dequènes (Duck)
exit 3
rescue ActiveLdap::OperationNotPermitted => e
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STDERR.puts _("You don't have enough rights for this operation")
127edd07 Marc Dequènes (Duck)
exit 3
rescue ActiveLdap::Error => e
bf23ac8c Marc Dequènes (Duck)
STDERR.puts _("LDAP error: %s") % e.to_s
127edd07 Marc Dequènes (Duck)
exit 3
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rescue WeirdError =>e
STDERR.puts _("Weird error: %s") % e.to_s
exit 4
127edd07 Marc Dequènes (Duck)
end