/usr/share/perl5/Sbuild/ChrootSchroot.pm is in libsbuild-perl 0.67.0-2ubuntu7.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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# Chroot.pm: chroot library for sbuild
# Copyright © 2005 Ryan Murray <rmurray@debian.org>
# Copyright © 2005-2008 Roger Leigh <rleigh@debian.org>
# Copyright © 2008 Simon McVittie <smcv@debian.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 2 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/>.
#
#######################################################################
package Sbuild::ChrootSchroot;
use strict;
use warnings;
BEGIN {
use Exporter ();
use Sbuild::Chroot;
our (@ISA, @EXPORT);
@ISA = qw(Exporter Sbuild::Chroot);
@EXPORT = qw();
}
sub new {
my $class = shift;
my $conf = shift;
my $chroot_id = shift;
my $self = $class->SUPER::new($conf, $chroot_id);
bless($self, $class);
return $self;
}
sub begin_session {
my $self = shift;
my $chroot = $self->get('Chroot ID');
# Don't use namespaces in compat mode.
if ($Sbuild::Sysconfig::compat_mode) {
$chroot =~ s/^[^:]+://msx;
}
my $schroot_session=readpipe($self->get_conf('SCHROOT') . " -c $chroot --begin-session");
chomp($schroot_session);
if ($?) {
print STDERR "Chroot setup failed\n";
return 0;
}
$self->set('Session ID', $schroot_session);
print STDERR "Setting up chroot $chroot (session id $schroot_session)\n"
if $self->get_conf('DEBUG');
my $info = $self->get('Chroots')->get_info($schroot_session);
if (defined($info) &&
defined($info->{'Location'}) && -d $info->{'Location'}) {
$self->set('Priority', $info->{'Priority'});
$self->set('Location', $info->{'Location'});
$self->set('Session Purged', $info->{'Session Purged'});
} else {
die $self->get('Chroot ID') . " chroot does not exist\n";
}
return 0 if !$self->_setup_options();
return 1;
}
sub end_session {
my $self = shift;
return if $self->get('Session ID') eq "";
print STDERR "Cleaning up chroot (session id " . $self->get('Session ID') . ")\n"
if $self->get_conf('DEBUG');
system($self->get_conf('SCHROOT') . ' -c ' . $self->get('Session ID') . ' --end-session');
$self->set('Session ID', "");
if ($?) {
print STDERR "Chroot cleanup failed\n";
return 0;
}
return 1;
}
sub get_command_internal {
my $self = shift;
my $options = shift;
# Command to run. If I have a string, use it. Otherwise use the list-ref
my $command = $options->{'INTCOMMAND_STR'} // $options->{'INTCOMMAND'};
my $user = $options->{'USER'}; # User to run command under
my $dir; # Directory to use (optional)
$dir = $self->get('Defaults')->{'DIR'} if
(defined($self->get('Defaults')) &&
defined($self->get('Defaults')->{'DIR'}));
$dir = $options->{'DIR'} if
defined($options->{'DIR'}) && $options->{'DIR'};
if (!defined $user || $user eq "") {
$user = $self->get_conf('USERNAME');
}
my @cmdline = ();
if (!defined($dir)) {
$dir = '/';
}
@cmdline = ($self->get_conf('SCHROOT'),
'-d', $dir,
'-c', $self->get('Session ID'),
'--run-session',
@{$self->get_conf('SCHROOT_OPTIONS')},
'-u', "$user", '-p', '--');
if (ref $command) {
push @cmdline, @$command;
} else {
push @cmdline, ('/bin/sh', '-c', $command);
$command = [split(/\s+/, $command)];
}
$options->{'USER'} = $user;
$options->{'COMMAND'} = $command;
$options->{'EXPCOMMAND'} = \@cmdline;
$options->{'CHDIR'} = undef;
$options->{'DIR'} = $dir;
}
1;
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