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60 lines
1.9 KiB
Plaintext
60 lines
1.9 KiB
Plaintext
# Test suite for GNU tar. -*- Autotest -*-
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# Copyright 2025 Free Software Foundation, Inc.
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#
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# This file is part of GNU tar.
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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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AT_SETUP([extracting untrusted incremental])
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AT_KEYWORDS([extract extrac31 --absolute-names])
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AT_TAR_CHECK([
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# Extraction should not escape the extraction directory
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# even when extracting multiple times to the same directory.
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(umask 022 && mkdir -p dira/sub dirb/sym dirb/sub/sym ext victimdir victimexp)
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ln -s .. dira/sub/dotdot
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ln -s ../sub dira/sub/dot
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ln -s dotdot/sub dira/sub/anotherdot
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ln -s ../victimdir dira/sym
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ln -s dotdot/../victimdir dira/sub/sym
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echo b1 >dirb/sym/file1
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echo b2 >dirb/sub/sym/file2
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echo v >victimdir/expected
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echo v >victimdir/file1
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echo v >victimdir/file2
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cp victimdir/* victimexp
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tar -cf a.tar -C dira sub sym
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tar -cf b.tar -C dirb sym/file1 sub/sym/file2
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tar -xf a.tar -C ext
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echo status1=$?
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tar -xf b.tar -C ext 2>b.err
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echo status2=$?
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# Solaris 10 says just "Cross-device link".
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sed 's/: Cross-device link/: Invalid cross-device link/' b.err >&2
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diff victimdir victimexp
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],
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[],
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[status1=0
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status2=2
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],
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[tar: sym/file1: Cannot open: Invalid cross-device link
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tar: sub/sym/file2: Cannot open: Invalid cross-device link
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tar: Exiting with failure status due to previous errors
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])
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AT_CLEANUP
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