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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-15 18:35:28 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-15 18:35:28 +0000
commitea314d2f45c40a006c0104157013ab4b857f665f (patch)
tree3ef2971cb3675c318b8d9effd987854ad3f6d3e8 /scripts/t/Dpkg_Source_Archive.t
parentInitial commit. (diff)
downloaddpkg-ea314d2f45c40a006c0104157013ab4b857f665f.tar.xz
dpkg-ea314d2f45c40a006c0104157013ab4b857f665f.zip
Adding upstream version 1.22.4.upstream/1.22.4
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'scripts/t/Dpkg_Source_Archive.t')
-rw-r--r--scripts/t/Dpkg_Source_Archive.t122
1 files changed, 122 insertions, 0 deletions
diff --git a/scripts/t/Dpkg_Source_Archive.t b/scripts/t/Dpkg_Source_Archive.t
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+++ b/scripts/t/Dpkg_Source_Archive.t
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+#!/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 => 4;
+use Test::Dpkg qw(:paths);
+
+use File::Spec;
+use File::Path qw(make_path);
+
+BEGIN {
+ use_ok('Dpkg::Source::Archive');
+}
+
+use Dpkg;
+use Dpkg::File;
+
+my $tmpdir = test_get_temp_path();
+
+sub test_path_escape
+{
+ my $name = shift;
+
+ my $treedir = File::Spec->rel2abs("$tmpdir/$name-tree");
+ my $overdir = File::Spec->rel2abs("$tmpdir/$name-overlay");
+ my $outdir = "$tmpdir/$name-out";
+ my $expdir = "$tmpdir/$name-exp";
+
+ # This is the base directory, where we are going to be extracting stuff
+ # into, which include traps.
+ make_path("$treedir/subdir-a");
+ file_touch("$treedir/subdir-a/file-a");
+ file_touch("$treedir/subdir-a/file-pre-a");
+ make_path("$treedir/subdir-b");
+ file_touch("$treedir/subdir-b/file-b");
+ file_touch("$treedir/subdir-b/file-pre-b");
+ symlink File::Spec->abs2rel($outdir, $treedir), "$treedir/symlink-escape";
+ symlink File::Spec->abs2rel("$outdir/nonexistent", $treedir), "$treedir/symlink-nonexistent";
+ symlink "$treedir/file", "$treedir/symlink-within";
+ file_touch("$treedir/supposed-dir");
+
+ # This is the overlay directory, which we'll pack and extract over the
+ # base directory.
+ make_path($overdir);
+ make_path("$overdir/subdir-a/aa");
+ file_dump("$overdir/subdir-a/aa/file-aa", 'aa');
+ file_dump("$overdir/subdir-a/file-a", 'a');
+ make_path("$overdir/subdir-b/bb");
+ file_dump("$overdir/subdir-b/bb/file-bb", 'bb');
+ file_dump("$overdir/subdir-b/file-b", 'b');
+ make_path("$overdir/symlink-escape");
+ file_dump("$overdir/symlink-escape/escaped-file", 'escaped');
+ file_dump("$overdir/symlink-nonexistent", 'nonexistent');
+ make_path("$overdir/symlink-within");
+ make_path("$overdir/supposed-dir");
+ file_dump("$overdir/supposed-dir/supposed-file", 'something');
+
+ # Generate overlay tar.
+ system($Dpkg::PROGTAR, '-cf', "$overdir.tar", '-C', $overdir, qw(
+ subdir-a subdir-b
+ symlink-escape/escaped-file symlink-nonexistent symlink-within
+ supposed-dir
+ )) == 0
+ or die "cannot create overlay tar archive\n";
+
+ # This is the expected directory, which we'll be comparing against.
+ make_path($expdir);
+ system('cp', '-a', $overdir, $expdir) == 0
+ or die "cannot copy overlay hierarchy into expected directory\n";
+
+ # Store the expected and out reference directories into a tar to compare
+ # its structure against the result reference.
+ system($Dpkg::PROGTAR, '-cf', "$expdir.tar", '-C', $overdir, qw(
+ subdir-a subdir-b
+ symlink-escape/escaped-file symlink-nonexistent symlink-within
+ supposed-dir
+ ), '-C', $treedir, qw(
+ subdir-a/file-pre-a
+ subdir-b/file-pre-b
+ )) == 0
+ or die "cannot create expected tar archive\n";
+
+ # This directory is supposed to remain empty, anything inside implies a
+ # directory traversal.
+ make_path($outdir);
+
+ my $warnseen;
+ local $SIG{__WARN__} = sub { $warnseen = $_[0] };
+
+ # Perform the extraction.
+ my $tar = Dpkg::Source::Archive->new(filename => "$overdir.tar");
+ $tar->extract($treedir, in_place => 1);
+
+ # Store the result into a tar to compare its structure against a reference.
+ system($Dpkg::PROGTAR, '-cf', "$treedir.tar", '-C', $treedir, '.');
+
+ # Check results
+ ok(length $warnseen && $warnseen =~ m/points outside source root/,
+ 'expected warning seen');
+ ok(system($Dpkg::PROGTAR, '--compare', '-f', "$expdir.tar", '-C', $treedir) == 0,
+ 'expected directory matches');
+ ok(! -e "$outdir/escaped-file",
+ 'expected output directory is empty, directory traversal');
+}
+
+test_path_escape('in-place');
+
+# TODO: Add actual test cases.