| # Verify that internal failure in chroot gives exact status. | |
| # Copyright (C) 2009-2025 Free Software Foundation, Inc. | |
| # This program is free software: you can redistribute it and/or modify | |
| # it under the terms of the GNU General Public License as published by | |
| # the Free Software Foundation, either version 3 of the License, or | |
| # (at your option) any later version. | |
| # This program is distributed in the hope that it will be useful, | |
| # but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| # GNU General Public License for more details. | |
| # You should have received a copy of the GNU General Public License | |
| # along with this program. If not, see <https://www.gnu.org/licenses/>. | |
| . "${srcdir=.}/tests/init.sh"; path_prepend_ ./src | |
| print_ver_ chroot pwd | |
| # These tests verify exact status of internal failure; since none of | |
| # them actually run a command, we don't need root privileges | |
| returns_ 125 chroot || fail=1 # missing argument | |
| returns_ 125 chroot --- / true || fail=1 # unknown option | |
| # chroot("/") succeeds for non-root users on some systems, but not all. | |
| if chroot / true ; then | |
| can_chroot_root=1 | |
| returns_ 2 chroot / sh -c 'exit 2' || fail=1 # exit status propagation | |
| returns_ 126 chroot / . || fail=1# invalid command | |
| returns_ 127 chroot / no_such || fail=1 # no such command | |
| else | |
| test $? = 125 || fail=1 | |
| can_chroot_root=0 | |
| fi | |
| # Ensure that --skip-chdir fails with a non-"/" argument. | |
| cat <<\EOF > exp || framework_failure_ | |
| chroot: option --skip-chdir only permitted if NEWROOT is old '/' | |
| Try 'chroot --help' for more information. | |
| EOF | |
| chroot --skip-chdir . env pwd >out 2>err && fail=1 | |
| compare /dev/null out || fail=1 | |
| compare exp err || fail=1 | |
| # Ensure we chdir("/") appropriately when NEWROOT is old "/". | |
| if test $can_chroot_root = 1; then | |
| ln -s / isroot || framework_failure_ | |
| for dir in '/' '/.' '/../' isroot; do | |
| # Verify that chroot(1) succeeds and performs chdir("/") | |
| # (chroot(1) of coreutils-8.23 failed to run the latter). | |
| curdir=$(chroot "$dir" env pwd) || fail=1 | |
| test "$curdir" = '/' || fail=1 | |
| # Test the "--skip-chdir" option. | |
| curdir=$(chroot --skip-chdir "$dir" env pwd) || fail=1 | |
| test "$curdir" = '/' && fail=1 | |
| done | |
| fi | |
| Exit $fail | |