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Current File : //opt/puppetlabs/puppet/lib/ruby/vendor_ruby/puppet/provider/user/ldap.rb

require 'puppet/provider/ldap'

Puppet::Type.type(:user).provide :ldap, :parent => Puppet::Provider::Ldap do
  desc "User management via LDAP.

    This provider requires that you have valid values for all of the
    LDAP-related settings in `puppet.conf`, including `ldapbase`.  You will
    almost definitely need settings for `ldapuser` and `ldappassword` in order
    for your clients to write to LDAP.

    Note that this provider will automatically generate a UID for you if
    you do not specify one, but it is a potentially expensive operation,
    as it iterates across all existing users to pick the appropriate next one."

  confine :feature => :ldap, :false => (Puppet[:ldapuser] == "")

  has_feature :manages_passwords, :manages_shell

  manages(:posixAccount, :person).at("ou=People").named_by(:uid).and.maps :name => :uid,
    :password => :userPassword,
    :comment => :cn,
    :uid => :uidNumber,
    :gid => :gidNumber,
    :home => :homeDirectory,
    :shell => :loginShell

  # Use the last field of a space-separated array as
  # the sn.  LDAP requires a surname, for some stupid reason.
  manager.generates(:sn).from(:cn).with do |cn|
    cn[0].split(/\s+/)[-1]
  end

  # Find the next uid after the current largest uid.
  provider = self
  manager.generates(:uidNumber).with do
    largest = 500
    existing = provider.manager.search
    if existing
      existing.each do |hash|
        value = hash[:uid]
        next unless value
        num = value[0].to_i
        largest = num if num > largest
      end
    end
    largest + 1
  end

  # Convert our gid to a group name, if necessary.
  def gid=(value)
    value = group2id(value) unless value.is_a?(Integer)

    @property_hash[:gid] = value
  end

  # Find all groups this user is a member of in ldap.
  def groups
    # We want to cache the current result, so we know if we
    # have to remove old values.
    unless @property_hash[:groups]
      result = group_manager.search("memberUid=#{name}")
      unless result
        return @property_hash[:groups] = :absent
      end

      return @property_hash[:groups] = result.collect { |r| r[:name] }.sort.join(",")
    end
    @property_hash[:groups]
  end

  # Manage the list of groups this user is a member of.
  def groups=(values)
    should = values.split(",")

    if groups == :absent
      is = []
    else
      is = groups.split(",")
    end

    modes = {}
    [is, should].flatten.uniq.each do |group|
      # Skip it when they're in both
      next if is.include?(group) and should.include?(group)

      # We're adding a group.
      modes[group] = :add and next unless is.include?(group)

      # We're removing a group.
      modes[group] = :remove and next unless should.include?(group)
    end

    modes.each do |group, form|
      ldap_group = group_manager.find(group)
      self.fail "Could not find ldap group #{group}" unless ldap_group

      current = ldap_group[:members]

      if form == :add
        if current.is_a?(Array) and ! current.empty?
          new = current + [name]
        else
          new = [name]
        end
      else
        new = current - [name]
        new = :absent if new.empty?
      end

      group_manager.update(group, {:ensure => :present, :members => current}, {:ensure => :present, :members => new})
    end
  end

  # Convert a gropu name to an id.
  def group2id(group)
    Puppet::Type.type(:group).provider(:ldap).name2id(group)
  end

  private

  def group_manager
    Puppet::Type.type(:group).provider(:ldap).manager
  end

  def group_properties(values)
    if values.empty? or values == :absent
      {:ensure => :present}
    else
      {:ensure => :present, :members => values}
    end
  end
end

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