busybox/testsuite/tar.tests
Denys Vlasenko b80acf58f1 tar: skip leading / and handle names like abc/..////def -> def (not ///def)
function                                             old     new   delta
strip_unsafe_prefix                                    -     105    +105
writeFileToTarball                                   557     520     -37
get_header_tar                                      1545    1462     -83

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2011-03-02 01:21:02 +01:00

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#!/bin/sh
# Copyright 2009 by Denys Vlasenko
# Licensed under GPLv2, see file LICENSE in this source tree.
. ./testing.sh
unset LANG
unset LANGUAGE
unset LC_COLLATE
unset LC_ALL
umask 022
rm -rf tar.tempdir 2>/dev/null
mkdir tar.tempdir && cd tar.tempdir || exit 1
# testing "test name" "script" "expected result" "file input" "stdin"
optional FEATURE_TAR_CREATE FEATURE_LS_SORTFILES
testing "tar hardlinks and repeated files" '\
rm -rf input_* test.tar 2>/dev/null
>input_hard1
ln input_hard1 input_hard2
mkdir input_dir
>input_dir/file
chmod -R 644 *
chmod 755 input_dir
tar cf test.tar input input_dir/ input_hard1 input_hard2 input_hard1 input_dir/ input
tar tvf test.tar | sed "s/.*[0-9] input/input/"
tar xf test.tar 2>&1
echo Ok: $?
ls -l . input_dir/* | grep input_ | sed "s/\\(^[^ ]*\\) .* input/\\1 input/"
' "\
input
input_dir/
input_dir/file
input_hard1
input_hard2 -> input_hard1
input_hard1 -> input_hard1
input_dir/
input_dir/file
input
Ok: 0
-rw-r--r-- input_dir/file
drwxr-xr-x input_dir
-rw-r--r-- input_hard1
-rw-r--r-- input_hard2
" \
"" ""
SKIP=
optional FEATURE_TAR_CREATE FEATURE_LS_SORTFILES
testing "tar hardlinks mode" '\
rm -rf input_* test.tar 2>/dev/null
>input_hard1
chmod 741 input_hard1
ln input_hard1 input_hard2
mkdir input_dir
ln input_hard1 input_dir
ln input_hard2 input_dir
chmod 550 input_dir
# On some filesystems, input_dir/input_hard2 is returned by readdir
# BEFORE input_dir/input_hard1! Thats why we cant just "tar cf ... input_*":
tar cf test.tar input_dir/input_hard* input_hard*
tar tvf test.tar | sed "s/.*[0-9] input/input/"
chmod 770 input_dir
rm -rf input_*
tar xf test.tar 2>&1
echo Ok: $?
ls -l . input_dir/* | grep "input.*hard" | sed "s/\\(^[^ ]*\\) .* input/\\1 input/"
' "\
input_dir/input_hard1
input_dir/input_hard2 -> input_dir/input_hard1
input_hard1 -> input_dir/input_hard1
input_hard2 -> input_dir/input_hard1
Ok: 0
-rwxr----x input_dir/input_hard1
-rwxr----x input_dir/input_hard2
-rwxr----x input_hard1
-rwxr----x input_hard2
" \
"" ""
SKIP=
optional FEATURE_TAR_CREATE FEATURE_LS_SORTFILES
testing "tar symlinks mode" '\
rm -rf input_* test.tar 2>/dev/null
>input_file
chmod 741 input_file
ln -s input_file input_soft
mkdir input_dir
ln input_file input_dir
ln input_soft input_dir
chmod 550 input_dir
tar cf test.tar input_dir/* input_[fs]*
tar tvf test.tar | sed "s/.*[0-9] input/input/" | sort
chmod 770 input_dir
rm -rf input_*
tar xf test.tar 2>&1
echo Ok: $?
ls -l . input_dir/* | grep "input_[fs]" | sed "s/\\(^[^ ]*\\) .* input/\\1 input/"
' "\
input_dir/input_file
input_dir/input_soft -> input_file
input_file -> input_dir/input_file
input_soft -> input_dir/input_soft
Ok: 0
-rwxr----x input_dir/input_file
lrwxrwxrwx input_file
-rwxr----x input_file
lrwxrwxrwx input_file
" \
"" ""
SKIP=
optional FEATURE_TAR_CREATE FEATURE_TAR_LONG_OPTIONS
testing "tar --overwrite" "\
rm -rf input_* test.tar 2>/dev/null
ln input input_hard
tar cf test.tar input_hard
echo WRONG >input
# --overwrite opens 'input_hard' without unlinking,
# thus 'input_hard' still linked to 'input' and we write 'Ok' into it
tar xf test.tar --overwrite 2>&1 && cat input
" "\
Ok
" \
"Ok\n" ""
SKIP=
test x"$SKIP_KNOWN_BUGS" = x"" && {
# Needs to be run under non-root for meaningful test
optional FEATURE_TAR_CREATE
testing "tar writing into read-only dir" '\
rm -rf input_* test.tar 2>/dev/null
mkdir input_dir
>input_dir/input_file
chmod 550 input_dir
tar cf test.tar input_dir
tar tvf test.tar | sed "s/.*[0-9] input/input/"
chmod 770 input_dir
rm -rf input_*
tar xf test.tar 2>&1
echo Ok: $?
ls -l input_dir/* . | grep input_ | sed "s/\\(^[^ ]*\\) .* input/\\1 input/"
chmod 770 input_dir
' "\
input_dir/
input_dir/input_file
Ok: 0
-rw-r--r-- input_dir/input_file
dr-xr-x--- input_dir
" \
"" ""
SKIP=
}
# Had a bug where on extract autodetect first "switched off" -z
# and then failed to recognize .tgz extension
testing "tar extract tgz" "\
dd count=1 bs=1M if=/dev/zero of=F0 2>/dev/null
tar -czf F0.tgz F0
rm F0
tar -xzvf F0.tgz && echo Ok
rm F0 || echo BAD
" "\
F0
Ok
" \
"" ""
# On extract, everything up to and including last ".." component is stripped
testing "tar strips /../ on extract" "\
rm -rf input_* test.tar 2>/dev/null
mkdir input_dir
echo Ok >input_dir/file
tar cf test.tar ./../tar.tempdir/input_dir/../input_dir 2>&1
rm -rf input_* 2>/dev/null
tar -vxf test.tar 2>&1
cat input_dir/file 2>&1
" "\
tar: removing leading './../tar.tempdir/input_dir/../' from member names
input_dir/
input_dir/file
Ok
" \
"" ""
cd .. && rm -rf tar.tempdir || exit 1
exit $FAILCOUNT