63 lines
2.2 KiB
Bash
Executable file
63 lines
2.2 KiB
Bash
Executable file
#!/bin/sh
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# Verify that internal failure in chroot gives exact status.
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# Copyright (C) 2009-2025 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 <https://www.gnu.org/licenses/>.
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. "${srcdir=.}/tests/init.sh"; path_prepend_ ./src
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print_ver_ chroot pwd
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# These tests verify exact status of internal failure; since none of
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# them actually run a command, we don't need root privileges
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returns_ 125 chroot || fail=1 # missing argument
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returns_ 125 chroot --- / true || fail=1 # unknown option
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# chroot("/") succeeds for non-root users on some systems, but not all.
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if chroot / true ; then
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can_chroot_root=1
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returns_ 2 chroot / sh -c 'exit 2' || fail=1 # exit status propagation
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returns_ 126 chroot / . || fail=1# invalid command
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returns_ 127 chroot / no_such || fail=1 # no such command
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else
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test $? = 125 || fail=1
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can_chroot_root=0
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fi
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# Ensure that --skip-chdir fails with a non-"/" argument.
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cat <<\EOF > exp || framework_failure_
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chroot: option --skip-chdir only permitted if NEWROOT is old '/'
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Try 'chroot --help' for more information.
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EOF
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chroot --skip-chdir . env pwd >out 2>err && fail=1
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compare /dev/null out || fail=1
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compare exp err || fail=1
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# Ensure we chdir("/") appropriately when NEWROOT is old "/".
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if test $can_chroot_root = 1; then
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ln -s / isroot || framework_failure_
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for dir in '/' '/.' '/../' isroot; do
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# Verify that chroot(1) succeeds and performs chdir("/")
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# (chroot(1) of coreutils-8.23 failed to run the latter).
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curdir=$(chroot "$dir" env pwd) || fail=1
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test "$curdir" = '/' || fail=1
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# Test the "--skip-chdir" option.
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curdir=$(chroot --skip-chdir "$dir" env pwd) || fail=1
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test "$curdir" = '/' && fail=1
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done
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fi
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Exit $fail
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