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Groot: Do not umount directories that are not mountpoint

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This commit is contained in:
Filippo Squillace 2017-04-19 23:52:26 +01:00
parent b9e34d3e96
commit 137788a98a
2 changed files with 41 additions and 7 deletions
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46
tests/unit-tests/test-groot.sh
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@ -41,6 +41,9 @@ function init_mocks() {
# As default suppose the mountpoint does not exist
return 1
}
function mountpoint_mock() {
echo "mountpoint($@)"
}
function mount() {
echo "mount($@)"
}
@ -74,9 +77,6 @@ function test_groot_no_directory(){
assertCommandFailOnStatus $NOT_EXISTING_FILE main no-directory
}
function test_groot_mountpoint_exist(){
mountpoint_mock() {
echo "mountpoint($@)"
}
MOUNTPOINT=mountpoint_mock
assertCommandSuccess main chrootdir
assertEquals "$(echo -e "check_and_trap(chroot_teardown QUIT EXIT ABRT KILL TERM INT)\nmountpoint(-q chrootdir)\nchroot(chrootdir)")" "$(cat $STDOUTF)"
@ -138,17 +138,23 @@ function test_groot_with_bind_no_umount(){
assertEquals "$(echo -e "mountpoint(-q chrootdir)\nmount(--bind chrootdir chrootdir)\nchroot(chrootdir)")" "$(cat $STDOUTF)"
}
function test_groot_with_chroot_teardown(){
MOUNTPOINT=mountpoint_mock
echo -e "1 /home/mychroot/dev\n1 /home/mychroot/proc/fs1\n1 /home/mychroot\n1 /home/mychroot-no/dev\n1 /home/mychroot/dev/shm\n1 /home/mychroot/proc\n" > ./mounts
MOUNTS_FILE=./mounts
CHROOTDIR=/home/mychroot assertCommandSuccess chroot_teardown
assertEquals "$(echo -e "umount(/home/mychroot/proc/fs1)
assertEquals "$(echo -e "mountpoint(-q /home/mychroot/proc/fs1)
umount(/home/mychroot/proc/fs1)
mountpoint(-q /home/mychroot/proc)
umount(/home/mychroot/proc)
mountpoint(-q /home/mychroot/dev/shm)
umount(/home/mychroot/dev/shm)
mountpoint(-q /home/mychroot/dev)
umount(/home/mychroot/dev)
umount(/home/mychroot)")" "$(cat $STDOUTF)"
}
function test_groot_with_chroot_teardown_umount_failure(){
MOUNTPOINT=mountpoint_mock
function umount() {
echo "umount($@)"
[[ "$1" == "/home/mychroot/dev/shm" ]] && return 128
@ -158,19 +164,47 @@ function test_groot_with_chroot_teardown_umount_failure(){
echo -e "1 /home/mychroot/dev\n1 /home/mychroot/proc/fs1\n1 /home/mychroot\n1 /home/mychroot-no/dev\n1 /home/mychroot/dev/shm\n1 /home/mychroot/proc\n" > ./mounts
MOUNTS_FILE=./mounts
CHROOTDIR=/home/mychroot assertCommandFailOnStatus 128 chroot_teardown
assertEquals "$(echo -e "umount(/home/mychroot/proc/fs1)
assertEquals "$(echo -e "mountpoint(-q /home/mychroot/proc/fs1)
umount(/home/mychroot/proc/fs1)
mountpoint(-q /home/mychroot/proc)
umount(/home/mychroot/proc)
mountpoint(-q /home/mychroot/dev/shm)
umount(/home/mychroot/dev/shm)
mountpoint(-q /home/mychroot/dev)
umount(/home/mychroot/dev)
umount(/home/mychroot)")" "$(cat $STDOUTF)"
}
function test_groot_with_chroot_teardown_with_trailing_slash(){
MOUNTPOINT=mountpoint_mock
echo -e "1 /home/mychroot/dev\n1 /home/mychroot/proc/fs1\n1 /home/mychroot\n1 /home/mychroot-no/dev\n1 /home/mychroot/dev/shm\n1 /home/mychroot/proc\n" > ./mounts
MOUNTS_FILE=./mounts
CHROOTDIR=/home/mychroot assertCommandSuccess chroot_teardown
assertEquals "$(echo -e "umount(/home/mychroot/proc/fs1)
assertEquals "$(echo -e "mountpoint(-q /home/mychroot/proc/fs1)
umount(/home/mychroot/proc/fs1)
mountpoint(-q /home/mychroot/proc)
umount(/home/mychroot/proc)
mountpoint(-q /home/mychroot/dev/shm)
umount(/home/mychroot/dev/shm)
mountpoint(-q /home/mychroot/dev)
umount(/home/mychroot/dev)
umount(/home/mychroot)")" "$(cat $STDOUTF)"
}
function test_groot_with_chroot_teardown_mountpoint_failure(){
mountpoint_mock() {
echo "mountpoint($@)"
[[ $2 == "/home/mychroot/dev/shm" ]] && return 128
return 0
}
MOUNTPOINT=mountpoint_mock
echo -e "1 /home/mychroot/dev\n1 /home/mychroot/proc/fs1\n1 /home/mychroot\n1 /home/mychroot-no/dev\n1 /home/mychroot/dev/shm\n1 /home/mychroot/proc\n" > ./mounts
MOUNTS_FILE=./mounts
CHROOTDIR=/home/mychroot assertCommandSuccess chroot_teardown
assertEquals "$(echo -e "mountpoint(-q /home/mychroot/proc/fs1)
umount(/home/mychroot/proc/fs1)
mountpoint(-q /home/mychroot/proc)
umount(/home/mychroot/proc)
mountpoint(-q /home/mychroot/dev/shm)
mountpoint(-q /home/mychroot/dev)
umount(/home/mychroot/dev)
umount(/home/mychroot)")" "$(cat $STDOUTF)"
}