/usr/lib/x86_64-linux-gnu/dirsrv/perl/Dialog.pm is in 389-ds-base 1.3.7.10-1ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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# Copyright (C) 2007 Red Hat, Inc.
# All rights reserved.
#
# License: GPL (version 3 or any later version).
# See LICENSE for details.
# END COPYRIGHT BLOCK
#
package Dialog;
use DialogManager;
#require Exporter;
#@ISA = qw(Exporter);
#@EXPORT = qw();
# NOTE: This "class" is an "abstract" class. There are two methods which
# must be provided by subclasses:
# $ans = $dialog->defaultAns($promptindex);
# where $promptindex is the index into the array of prompts given when
# constructing the Dialog object
# The dialog will typically use a default answer either hardcoded in
# or from some key in the setup cache (.inf) file
#
# $resp = $dialog->handleResponse($ans, $index);
# The dialog uses this method to perform validation of the input, set the value
# in the setup cache, display errors or warnings, and tell the dialog manager
# if the prompt needs to be redisplayed, or if there was an unrecoverable error
# $resp should be $SAME to reprompt, $ERR to abort, or $NEXT to continue
# the $ans and defaultAns should be in the native charset, so the dialog
# may have to convert to/from utf8 as needed.
# a dialog consists of a title, some explanatory text, and one or more prompts
# each prompt has a default value. An example of a dialog with more than
# one prompt would be a dialog asking the user for the new root DN and password -
# in that case, there would be 3 prompts - one for the DN, one for the password,
# and one to verify the password
# The text and prompts are given as resource keys. Usually the resource value
# will be a simple string, in which case the resource key is passed in as a simple
# string. However, if the resource string contains replaceable parameters, the
# resource key is passed as an array ref consisting of the resource key as the
# first element and the parameters to use for replacement as the subsequent
# array elements e.g.
# $foo = new Dialog(['RESOURCE_KEY_CONFIG_LDAP_URL', $secure, $host, $port, $suffix], ...);
# but usually for simple cases like this:
# $foo = new Dialog('RESOURCE_KEY_WELCOME', ...);
# The manager contains the context for all of the dialogs - the setup type, the resource
# file, setup log, other context shared among the dialogs
# the type is the setup type - 1, 2, or 3 for express, typical, or custom
# type is used to say which types use this dialog
sub new {
my $type = shift;
my $self = {};
$self->{type} = shift;
$self->{text} = shift;
$self->{defaultAns} = shift;
$self->{handleResp} = shift;
$self->{prompts} = \@_;
$self = bless $self, $type;
return $self;
}
sub setManager {
my $self = shift;
$self->{"manager"} = shift;
}
# returns true if this dialog is to be displayed for the current setup type
# false otherwise
sub isDisplayed {
my $self = shift;
return $self->{type} <= $self->{"manager"}->{type};
}
sub isEnabled {
my $self = shift;
return !defined($self->{disabled});
}
sub enable {
my $self = shift;
delete $self->{disabled};
}
sub disable {
my $self = shift;
$self->{disabled} = 1;
}
# each prompt looks like this:
# [ 'resource key', is pwd, hide ]
# The resource key is the string key of the resource
# is pwd is optional - if present, the prompt is for a password
# and should not echo the answer
# hide is optional - if present and true, the prompt will not be displayed - this
# is useful in cases where you may want to display or hide a subprompt depending
# on the response to a main prompt
# e.g.
# ['RESOURCE_USERNAME'], ['RESOURCE_PASSWORD', 1], ['RESOURCE_PASSWORD_AGAIN', 1]
# e.g.
# ['USE_SECURITY'], ['CA_CERTIFICATE', 0, 0]
# you can set the 0 to a 1 if the user has chosen to use security
sub run {
my $self = shift;
my $direction = shift;
my $resp = $DialogManager::SAME;
# display the dialog text
if ($self->isDisplayed()) {
$self->{manager}->showText($self->{text});
}
# display each prompt for this dialog
my $index = 0;
my @prompts = @{$self->{prompts}};
for (my $index = 0; $index < @prompts; ++$index) {
my $prompt = $prompts[$index];
my $defaultans = $self->{defaultAns}($self, $index);
my $ans;
if ($self->isDisplayed() && !$prompt->[2]) {
$ans = $self->{manager}->showPrompt($prompt->[0], $defaultans, $prompt->[1]);
} else {
$ans = $defaultans;
}
# see if this is the special BACK response, and finish if so
if ($self->{"manager"}->isBack($ans)) {
$resp = $DialogManager::BACK;
last;
}
# figure out what action to take based on the users response
# this will set values in the setup info file
# this will also validate input, and display errors if the
# input is not correct - in that case, the resp will be
# SAME to reprompt, or ERR if unrecoverable
# NOTE: user cannot BACK from prompt to prompt - BACK
# always means BACK to the previous dialog
$resp = $self->{handleResp}($self, $ans, $index);
if (($resp == $DialogManager::SAME) or ($resp == $DialogManager::FIRST)) {
if (!$self->isDisplayed()) {
$self->{manager}->alert('dialog_use_different_type');
$resp = $DialogManager::ERR;
} elsif ($resp == $DialogManager::SAME) {
$index--; # reprompt
} else {
$index = -1; # reshow first prompt on dialog
}
} elsif ($resp == $DialogManager::ERR) {
last;
} elsif (!$self->isDisplayed() && ($direction < 0) &&
($resp == $DialogManager::NEXT)) {
# we did not display this dialog, and the current navigation
# direction is BACK, so we should return BACK, to allow
# the user to go back through several dialogs
$resp = $DialogManager::BACK;
}
}
return $resp;
}
package DialogYesNo;
@ISA = qw(Dialog);
sub new {
my $type = shift;
my $setuptype = shift;
my $text = shift;
my $defaultIsYes = shift;
my $handler = shift || \&handleResponse;
my $prompt = shift || ['prompt_yes_no'];
my $self = Dialog->new($setuptype, $text,
\&defaultAns, $handler, $prompt);
$self->{defaultIsYes} = $defaultIsYes;
$self = bless $self, $type;
return $self;
}
sub setDefaultYes {
my $self = shift;
$self->{default} = $self->{"manager"}->getText("yes");
}
sub setDefaultNo {
my $self = shift;
$self->{default} = $self->{"manager"}->getText("no");
}
sub defaultAns {
my $self = shift;
if (exists($self->{ans})) {
return $self->{ans};
}
if (!exists($self->{default})) {
my $isyes;
if (ref($self->{defaultIsYes}) eq 'CODE') {
$isyes = &{$self->{defaultIsYes}}($self);
} else {
$isyes = $self->{defaultIsYes};
}
if ($isyes) {
$self->{default} = $self->{"manager"}->getText("yes");
} else {
$self->{default} = $self->{"manager"}->getText("no");
}
}
return $self->{default};
}
sub isYes {
my $self = shift;
return $self->{ans} eq $self->{"manager"}->getText("yes");
}
sub handleResponse {
my $self = shift;
my $ans = shift;
my $resp = $DialogManager::SAME;
my $yes = $self->{"manager"}->getText("yes");
my $nno = $self->{"manager"}->getText("no");
# the regexp allows us to use y or ye or yes for "yes"
if ($nno =~ /^$ans/i) {
$resp = $DialogManager::NEXT;
$self->{ans} = $nno;
} elsif ($yes =~ /^$ans/i) {
$resp = $DialogManager::NEXT;
$self->{ans} = $yes;
} else {
$self->{"manager"}->alert("yes_no_error");
}
return $resp;
}
#############################################################################
# Mandatory TRUE return value.
#
1;
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