diff options
Diffstat (limited to 'tests/misc/chroot-fail.sh')
| -rwxr-xr-x | tests/misc/chroot-fail.sh | 54 |
1 files changed, 38 insertions, 16 deletions
diff --git a/tests/misc/chroot-fail.sh b/tests/misc/chroot-fail.sh index a84826fd..14499edd 100755 --- a/tests/misc/chroot-fail.sh +++ b/tests/misc/chroot-fail.sh @@ -1,7 +1,7 @@ #!/bin/sh # Verify that internal failure in chroot gives exact status. -# Copyright (C) 2009-2014 Free Software Foundation, Inc. +# Copyright (C) 2009-2015 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 @@ -29,20 +29,42 @@ test $? = 125 || fail=1 chroot --- / true # unknown option test $? = 125 || fail=1 -# Note chroot("/") succeeds for non-root users on some systems, but not all, -# however we avoid the chroot() with "/" to have common behvavior. -chroot / sh -c 'exit 2' # exit status propagation -test $? = 2 || fail=1 -chroot / . # invalid command -test $? = 126 || fail=1 -chroot / no_such # no such command -test $? = 127 || fail=1 - -# Ensure we don't chdir("/") when not changing root -# to allow only changing user ids for a command. -for dir in '/' '/.' '/../'; do - curdir=$(chroot "$dir" env pwd) || fail=1 - test "$curdir" = '/' && fail=1 -done +# chroot("/") succeeds for non-root users on some systems, but not all. +if chroot / true ; then + can_chroot_root=1 + chroot / sh -c 'exit 2' # exit status propagation + test $? = 2 || fail=1 + chroot / . # invalid command + test $? = 126 || fail=1 + chroot / no_such # no such command + test $? = 127 || fail=1 +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 |