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* tests/test-lib.sh (Exit): New function by Ralf Wildenhues in automake http://git.sv.gnu.org/gitweb/?p=automake.git;a=commitdiff;h=20594c08f63 * tests/**: Convert all uses: This restrictive change converted the vast majority: git grep -l '^(exit \$fail); exit \$fail$' \ | xargs perl -pi -e 's/'^\(exit \$fail\); exit \$fail$/Exit \$fail/' And this did the rest, plus a few undesirable ones, so I manually backed out the changes to ChangeLog-* and build-aux/check.mk: git grep -l -E '\(exit [^)]+\); exit ' \ | xargs perl -pi -e 's/\(exit (.+?)\); exit \1/Exit $1/'
72 lines
2.6 KiB
Bash
Executable File
72 lines
2.6 KiB
Bash
Executable File
#!/bin/sh
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# Verify that --preserve-root works.
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# Copyright (C) 2006-2008 Free Software Foundation, Inc.
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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if test "$VERBOSE" = yes; then
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set -x
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chown --version
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fi
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. $srcdir/test-lib.sh
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skip_if_root_
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mkdir d && ln -s / d/slink-to-root
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fail=0
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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 out exp || fail=1
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Exit $fail
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