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b16e999f55
Run "make update-copyright" and then... * gnulib: Update to latest with copyright year adjusted. * tests/init.sh: Sync with gnulib to pick up copyright year. * bootstrap: Likewise. * tests/sample-test: Adjust to use the single most recent year.
67 lines
2.5 KiB
Bash
Executable File
67 lines
2.5 KiB
Bash
Executable File
#!/bin/sh
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# Verify that --preserve-root works.
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# Copyright (C) 2006-2016 Free Software Foundation, Inc.
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# This program 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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# This program 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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# 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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. "${srcdir=.}/tests/init.sh"; path_prepend_ ./src
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print_ver_ chown
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skip_if_root_
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mkdir d && ln -s / d/slink-to-root
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# Even if --preserve-root were to malfunction, allowing the chown or
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# chgrp to traverse through "/", since we're running as non-root,
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# they would be very unlikely to cause any changes.
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chown -R --preserve-root 0 / > out 2>&1 && fail=1
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chgrp -R --preserve-root 0 / >> out 2>&1 && fail=1
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# Here, if --preserve-root were to malfunction, chmod could make changes,
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# but only to files owned and unreadable by the user running this test,
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# and then, only to make them readable by owner.
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chmod -R --preserve-root u+r / >> out 2>&1 && fail=1
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# With -RHh, --preserve-root should trigger nothing,
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# since the symlink in question is not a command line argument.
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# Contrary to the above commands, these two should succeed.
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echo '==== test -RHh' >> out
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chown -RHh --preserve-root $(id -u) d >> out 2>&1 || fail=1
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chgrp -RHh --preserve-root $(id -g) d >> out 2>&1 || fail=1
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# These must fail.
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echo '==== test -RLh' >> out
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chown -RLh --preserve-root $(id -u) d >> out 2>&1 && fail=1
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chgrp -RLh --preserve-root $(id -g) d >> out 2>&1 && fail=1
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cat <<\EOF > exp || fail=1
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chown: it is dangerous to operate recursively on '/'
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chown: use --no-preserve-root to override this failsafe
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chgrp: it is dangerous to operate recursively on '/'
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chgrp: use --no-preserve-root to override this failsafe
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chmod: it is dangerous to operate recursively on '/'
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chmod: use --no-preserve-root to override this failsafe
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==== test -RHh
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==== test -RLh
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chown: it is dangerous to operate recursively on 'd/slink-to-root' (same as '/')
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chown: use --no-preserve-root to override this failsafe
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chgrp: it is dangerous to operate recursively on 'd/slink-to-root' (same as '/')
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chgrp: use --no-preserve-root to override this failsafe
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EOF
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compare exp out || fail=1
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Exit $fail
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