b41b004638
* src/common.h (tar_getcwd): Return pointer is const. * src/misc.c (wd) <cwd>: New member. (chdir_arg): Initialize cwd. (tar_getcwd): Use cwd member to cache the result. Take into account absolute pathnames, (normalize_filename): Don't free the value returned from tar_getcwd. * src/names.c (name_next_elt): Remove leftover call chdir(). * tests/Makefile.am: Add new tests. * tests/testsuite.at: Likewise. * tests/incr08.at: New testcase. * tests/remfiles04.at: New testcase. * tests/remfiles05.at: New testcase. * tests/remfiles06.at: New testcase. * tests/remfiles07.at: New testcase.
87 lines
2.6 KiB
Plaintext
87 lines
2.6 KiB
Plaintext
# Process this file with autom4te to create testsuite. -*- Autotest -*-
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# Test suite for GNU tar.
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# Copyright 2013 Free Software Foundation, Inc.
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#
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# GNU tar is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 3 of the License, or
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# (at your option) any later version.
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#
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# GNU tar is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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# Description: In tar 1.26 listed-incremental with -C and absolute path
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# would malfunction under certain conditions due to buggy filename
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# normalization.
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#
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# The value returned by normalize_filename() is used to populate the "caname"
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# field in both the "directory" structure in incremen.c and the "name"
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# structure in names.c, and in both cases that field is then used in the
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# "hash" and "compare" functions for the related hash tables. Thus, the
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# fact that the returned value doesn't reflect the operation of previous
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# "-C" options means that it's possible for two different directories to
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# be given the same "caname" value in the hashed structure and thus end up
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# being confused with each other.
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#
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# The bug is triggered when dumping both relative paths after -C and
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# absolute paths that match the process' current working directory.
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#
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# Reported by: Nathan Stratton Treadway <nathanst@ontko.com>
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# References: <20130922192135.GJ32256@shire.ontko.com>,
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# http://lists.gnu.org/archive/html/bug-tar/2013-09/msg00034.html
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AT_SETUP([filename normalization])
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AT_KEYWORDS([incremental create incr08])
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AT_TAR_CHECK([
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AT_SORT_PREREQ
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mkdir tartest
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cd tartest
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mkdir foo
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mkdir foo/subdir
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mkdir foo/subdir/dir1
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mkdir subdir
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mkdir subdir/dir2
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decho A
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find|sort
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decho B
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DIR=`pwd`
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tar -cvf ../foo.tar --listed-incremental=../foo.snar -C foo . $DIR 2>../err |\
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sed "s|$DIR|ABSPATH|"
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sed "s|$DIR|ABSPATH|" ../err >&2
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],
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[0],
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[A
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.
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./foo
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./foo/subdir
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./foo/subdir/dir1
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./subdir
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./subdir/dir2
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B
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./
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./subdir/
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./subdir/dir1/
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ABSPATH/
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ABSPATH/subdir/
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ABSPATH/subdir/dir2/
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],
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[A
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B
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tar: .: Directory is new
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tar: ./subdir: Directory is new
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tar: ./subdir/dir1: Directory is new
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tar: ABSPATH: Directory is new
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tar: ABSPATH/subdir: Directory is new
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tar: ABSPATH/subdir/dir2: Directory is new
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tar: Removing leading `/' from member names
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],[],[],[gnu])
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AT_CLEANUP
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