Files
webmin/systemd/dropins.cgi

123 lines
3.7 KiB
Perl
Executable File

#!/usr/local/bin/perl
# Show an inventory of discovered systemd drop-in override files.
use strict;
use warnings;
require './systemd-lib.pl'; ## no critic
our (%access, %config, %text);
ReadParse();
has_command("systemctl") || error($text{'systemd_esystemctl'});
systemd_can_enter_module() || systemd_acl_error('penter');
$config{'show_dropin_inventory'} || error($text{'dropins_disabled'});
my $can_system = systemd_can_view_system();
my $can_user = systemd_can_view_user_scope();
my @system_units = $can_system ? list_units() : ( );
my %system_units = map { $_->{'name'}, $_ } @system_units;
my @user_units = $can_user ?
grep { systemd_acl_user_allowed($_->{'user'}) }
list_all_user_units() : ( );
my %user_units = map { $_->{'user'}."\t".$_->{'name'}, $_ } @user_units;
my @dropins;
push(@dropins, list_system_dropin_override_files()) if ($can_system);
if ($can_user) {
foreach my $dropin (list_all_user_dropin_override_files()) {
next if (!systemd_acl_user_allowed($dropin->{'user'}));
push(@dropins, $dropin);
}
}
@dropins = sort { $a->{'scope'} cmp $b->{'scope'} ||
($a->{'user'} || "") cmp ($b->{'user'} || "") ||
$a->{'unit'} cmp $b->{'unit'} ||
$a->{'file'} cmp $b->{'file'} } @dropins;
ui_print_header(undef, $text{'dropins_title'}, "", "intro", undef, 1,
undef, action_links());
print ui_tag('p', $text{'dropins_desc'});
if (!@dropins) {
print ui_tag('p', $text{'dropins_empty'});
}
else {
print_dropin_table(\@dropins, \%system_units, \%user_units);
}
ui_print_footer("index.cgi", $text{'index_return'});
# print_dropin_table(dropins, system-units, user-units)
# Outputs the discovered drop-in inventory table.
sub print_dropin_table
{
my ($dropins, $system_units, $user_units) = @_;
print ui_columns_start([
$text{'systemd_name'},
$text{'dropins_scope'},
$text{'systemd_owner'},
$text{'dropins_file'},
$text{'dropins_actions'},
]);
foreach my $dropin (@$dropins) {
print ui_columns_row([
ui_tag('tt', html_escape($dropin->{'unit'})),
html_escape(dropin_scope_label($dropin)),
$dropin->{'scope'} eq 'user' ?
ui_tag('tt', html_escape($dropin->{'user'})) :
html_escape("-"),
ui_tag('tt', html_escape($dropin->{'file'})),
dropin_action_link($dropin, $system_units, $user_units),
]);
}
print ui_columns_end();
}
# dropin_scope_label(dropin)
# Returns a human-readable scope label for a drop-in descriptor.
sub dropin_scope_label
{
my ($dropin) = @_;
return $dropin->{'scope'} eq 'user' ?
$text{'dropins_scope_user'} : $text{'dropins_scope_system'};
}
# dropin_action_link(dropin, system-units, user-units)
# Returns an edit action when the discovered drop-in belongs to a known unit.
sub dropin_action_link
{
my ($dropin, $system_units, $user_units) = @_;
if ($dropin->{'scope'} eq 'user') {
my $user = $dropin->{'user'};
my $unit = $dropin->{'unit'};
return ui_tag('i', html_escape($text{'dropins_unit_missing'}))
if (!$user_units->{$user."\t".$unit});
return ui_tag('i', html_escape($text{'dropins_view_only'}))
if (!systemd_can_dropin(1, $user));
my $url = "edit_unit.cgi?scope=user&unituser=".urlize($user).
"&name=".urlize($unit)."&dropin=1".
dropin_file_arg($dropin);
return ui_link($url, $text{'dropins_edit'});
}
my $unit = $dropin->{'unit'};
return ui_tag('i', html_escape($text{'dropins_unit_missing'}))
if (!$system_units->{$unit});
return ui_tag('i', html_escape($text{'dropins_view_only'}))
if (!systemd_can_dropin(0));
return ui_link("edit_unit.cgi?name=".urlize($unit)."&dropin=1".
dropin_file_arg($dropin),
$text{'dropins_edit'});
}
# dropin_file_arg(dropin)
# Returns an exact drop-in file query argument for non-standard drop-ins.
sub dropin_file_arg
{
my ($dropin) = @_;
return "" if ($dropin->{'standard'});
return "&dropfile=".urlize($dropin->{'file'});
}