diff options
Diffstat (limited to 'scripts/t/Dpkg_Path.t')
| -rw-r--r-- | scripts/t/Dpkg_Path.t | 237 |
1 files changed, 237 insertions, 0 deletions
diff --git a/scripts/t/Dpkg_Path.t b/scripts/t/Dpkg_Path.t new file mode 100644 index 0000000..0b0d6bd --- /dev/null +++ b/scripts/t/Dpkg_Path.t @@ -0,0 +1,237 @@ +#!/usr/bin/perl +# +# 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 <https://www.gnu.org/licenses/>. + +use strict; +use warnings; + +use Test::More tests => 34; +use Test::Dpkg qw(:paths); + +use Cwd qw(realpath); +use File::Path qw(make_path rmtree); +use File::Spec::Functions qw(abs2rel); + +use Dpkg::File; + +use_ok('Dpkg::Path', 'canonpath', 'resolve_symlink', + 'check_files_are_the_same', + 'check_directory_traversal', + 'get_pkg_root_dir', + 'guess_pkg_root_dir', 'relative_to_pkg_root'); + +my $tmpdir = test_get_temp_path(); + +make_path("$tmpdir/a/b/c"); +make_path("$tmpdir/a/DEBIAN"); +make_path("$tmpdir/debian/a/b/c"); +symlink 'a/b/c', "$tmpdir/cbis"; +symlink '/this/does/not/exist', "$tmpdir/tmp"; +symlink '.', "$tmpdir/here"; + +is(canonpath("$tmpdir/./a///b/c"), "$tmpdir/a/b/c", 'canonpath basic test'); +is(canonpath("$tmpdir/a/b/../../a/b/c"), "$tmpdir/a/b/c", 'canonpath and ..'); +is(canonpath("$tmpdir/a/b/c/../../"), "$tmpdir/a", 'canonpath .. at end'); +is(canonpath("$tmpdir/cbis/../"), "$tmpdir/cbis/..", 'canonpath .. after symlink'); + +is(resolve_symlink("$tmpdir/here/cbis"), "$tmpdir/here/a/b/c", 'resolve_symlink'); +is(resolve_symlink("$tmpdir/tmp"), '/this/does/not/exist', 'resolve_symlink absolute'); +is(resolve_symlink("$tmpdir/here"), $tmpdir, 'resolve_symlink .'); + +ok(!check_files_are_the_same("$tmpdir/here", $tmpdir), 'Symlink is not the same!'); +ok(check_files_are_the_same("$tmpdir/here/a", "$tmpdir/a"), 'Same directory'); + +sub gen_hier_travbase { + my $basedir = shift; + + make_path("$basedir/subdir"); + file_touch("$basedir/file"); + file_touch("$basedir/subdir/subfile"); + symlink 'file', "$basedir/symlink-file"; + symlink 'subdir/subfile', "$basedir/symlink-subfile"; +} + +my $travbase = "$tmpdir/travbase"; +my $travbase_out = "$tmpdir/travbase-out"; +my %travtype = ( + none => { + fail => 0, + gen => sub { }, + }, + same => { + fail => 0, + chroot => "$tmpdir/travbase-same", + gen => sub { + my $basedir = shift; + symlink '../..', "$basedir/subdir/root"; + }, + }, + dev_null => { + fail => 0, + gen => sub { + my $basedir = shift; + symlink '/dev/null', "$basedir/dev-null"; + }, + }, + dots => { + fail => 0, + gen => sub { + my $basedir = shift; + symlink 'aa..bb..cc', "$basedir/dots"; + }, + }, + rel => { + fail => 1, + gen => sub { + my $basedir = shift; + symlink '../../..', "$basedir/rel"; + }, + }, + abs => { + fail => 1, + gen => sub { + my $basedir = shift; + symlink '/etc', "$basedir/abs"; + }, + }, + loop => { + fail => 1, + gen => sub { + my $basedir = shift; + symlink 'self', "$basedir/self"; + }, + }, + enoent_rel => { + fail => 0, + gen => sub { + my $basedir = shift; + symlink 'not-existent', "$basedir/enoent-rel"; + }, + }, + enoent_abs => { + fail => 1, + gen => sub { + my $basedir = shift; + symlink '/not-existent', "$basedir/enoent-abs"; + }, + }, + enoent_indirect_rel => { + fail => 0, + gen => sub { + my $basedir = shift; + symlink 'not-existent', "$basedir/enoent-rel"; + symlink 'enoent-rel', "$basedir/enoent-indirect-rel"; + }, + }, + enoent_indirect_abs => { + fail => 1, + gen => sub { + my $basedir = shift; + symlink '/not-existent', "$basedir/enoent-abs"; + symlink realpath("$basedir/enoent-abs"), "$basedir/enoent-indirect-abs"; + }, + }, + base_in_none => { + fail => 0, + gen => sub { + my $basedir = shift; + rename $basedir, "$basedir-real"; + symlink 'base_in_none-real', $basedir; + }, + }, + base_in_rel => { + fail => 1, + gen => sub { + my $basedir = shift; + rename $basedir, "$basedir-real"; + symlink 'base_in_rel-real', $basedir; + symlink '../../..', "$basedir/rel"; + }, + }, + base_in_abs => { + fail => 1, + gen => sub { + my $basedir = shift; + rename $basedir, "$basedir-real"; + symlink 'base_in_abs-real', $basedir; + symlink '/etc', "$basedir/abs"; + }, + }, + base_out_empty => { + fail => 1, + root => $travbase_out, + gen => sub { + my $basedir = shift; + rmtree($basedir); + make_path($basedir); + }, + }, + base_out_none => { + fail => 1, + root => $travbase_out, + gen => sub { }, + }, + base_out_rel => { + fail => 1, + root => $travbase_out, + gen => sub { + my $basedir = shift; + symlink '../../..', "$basedir/rel"; + }, + }, + base_out_abs => { + fail => 1, + root => $travbase_out, + gen => sub { + my $basedir = shift; + symlink '/etc', "$basedir/abs"; + }, + }, +); + +foreach my $travtype (sort keys %travtype) { + my $trav = $travtype{$travtype}; + my $rootdir = $trav->{chroot} // $trav->{root} // $travbase; + my $hierdir = "$rootdir/$travtype"; + my $travdir = "$travbase/$travtype"; + + gen_hier_travbase($hierdir); + symlink abs2rel($hierdir, $travbase), $travdir if exists $trav->{root}; + $trav->{gen}->($hierdir); + + my $catch; + eval { + check_directory_traversal($travbase, $travdir); + 1; + } or do { + $catch = $@; + }; + if ($trav->{fail}) { + ok($catch, "directory traversal type $travtype detected"); + note("traversal reason: $catch") if $catch; + } else { + ok(! $catch, "no directory traversal type $travtype"); + diag("error from check_directory_traversal => $catch") if $catch; + } +} + +is(get_pkg_root_dir("$tmpdir/a/b/c"), "$tmpdir/a", 'get_pkg_root_dir'); +is(guess_pkg_root_dir("$tmpdir/a/b/c"), "$tmpdir/a", 'guess_pkg_root_dir'); +is(relative_to_pkg_root("$tmpdir/a/b/c"), 'b/c', 'relative_to_pkg_root'); + +chdir($tmpdir); + +is(get_pkg_root_dir('debian/a/b/c'), undef, 'get_pkg_root_dir undef'); +is(relative_to_pkg_root('debian/a/b/c'), undef, 'relative_to_pkg_root undef'); +is(guess_pkg_root_dir('debian/a/b/c'), 'debian/a', 'guess_pkg_root_dir fallback'); |