3 # Test that we don't follow bind mounts when writing to .augsave.
4 # This requires that EXDEV or EBUSY is returned from rename(2) to activate the
5 # code path, so set up a bind mount on Linux.
7 if [ "$UID" != 0 -o "$(uname -s)" != "Linux" ]; then
8 echo "Test can only be run as root on Linux to create bind mounts"
13 (augtool --nostdinc -I $LENSES -r $ROOT --backup | grep ^/augeas) <<EOF
14 set /augeas/save/copy_if_rename_fails 1
15 set /files/etc/hosts/1/alias myhost
23 /augeas/files/etc/hosts/error = "clone_unlink_dst_augsave"
24 /augeas/files/etc/hosts/error/message = "Device or resource busy"
28 ROOT=$abs_top_builddir/build/test-put-mount-augsave
29 LENSES=$abs_top_srcdir/lenses
32 HOSTS_AUGSAVE=${HOSTS}.augsave
34 ATTACK_FILE=$ROOT/other/attack
37 mkdir -p $(dirname $HOSTS)
38 mkdir -p $(dirname $ATTACK_FILE)
40 echo 127.0.0.1 localhost > $HOSTS
41 touch $ATTACK_FILE $HOSTS_AUGSAVE
43 mount --bind $ATTACK_FILE $HOSTS_AUGSAVE
51 if [ "$ACTUAL" != "$EXPECTED" ]; then
52 echo "No error when trying to unlink augsave (a bind mount):"
57 if [ -s $ATTACK_FILE ]; then
58 echo "/other/attack now contains data, should be blank"