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      1 # $NetBSD: t_umount.sh,v 1.9 2025/08/18 14:59:51 christos Exp $
      2 #
      3 # Copyright (c) 2008, 2009 The NetBSD Foundation, Inc.
      4 # All rights reserved.
      5 #
      6 # Redistribution and use in source and binary forms, with or without
      7 # modification, are permitted provided that the following conditions
      8 # are met:
      9 # 1. Redistributions of source code must retain the above copyright
     10 #    notice, this list of conditions and the following disclaimer.
     11 # 2. Redistributions in binary form must reproduce the above copyright
     12 #    notice, this list of conditions and the following disclaimer in the
     13 #    documentation and/or other materials provided with the distribution.
     14 #
     15 # THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     16 # ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     17 # TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     18 # PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     19 # BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     20 # CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     21 # SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     22 # INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     23 # CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     24 # ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     25 # POSSIBILITY OF SUCH DAMAGE.
     26 #
     27 
     28 TMPMP=umount-f_mount
     29 TMPIM=umount-f.im
     30 
     31 VND=vnd0
     32 BVND=/dev/${VND}
     33 CVND=/dev/r${VND}
     34 MPART=a
     35 
     36 atf_test_case umount cleanup
     37 umount_head()
     38 {
     39 	atf_set "descr" "Checks forced unmounting"
     40 	atf_set "require.user" "root"
     41 }
     42 umount_body()
     43 {
     44 	if [ $(uname -p) = vax ]; then
     45 		atf_skip "port-vax/59287 vnd(4) can cause kernel crash"
     46 	fi
     47 
     48 	mydir=$(pwd)
     49 	cat >disktab <<EOF
     50 floppy288|2.88MB 3.5in Extra High Density Floppy:\
     51 	:ty=floppy:se#512:nt#2:rm#300:ns#36:nc#80:\
     52 	:pa#5760:oa#0:ba#4096:fa#512:ta=4.2BSD:\
     53 	:pb#5760:ob#0:\
     54 	:pc#5760:oc#0:
     55 EOF
     56 
     57 	cat << EOF > dot
     58 cd: Can't cd to ".": No such file or directory
     59 EOF
     60 	cat << EOF > dotdot
     61 cd: Can't cd to "..": No such file or directory
     62 EOF
     63 	echo "*** Creating a dummy directory tree at" \
     64 	     "${TMPMP} mounted on ${TMPIM}"
     65 
     66 	atf_check -o ignore -e ignore mkdir ${TMPMP}
     67 	atf_check -o ignore -e ignore touch ${TMPMP}/under_the_mount
     68 	atf_check -o ignore -e ignore dd if=/dev/zero of=${TMPIM} count=5860
     69 	atf_check -o ignore -e ignore vnconfig -v ${VND} ${TMPIM}
     70 	atf_check -o ignore -e ignore disklabel -f disktab -rw ${VND} floppy288
     71 	atf_check -o ignore -e ignore newfs -i 500 -b 8192 -f 1024 ${CVND}${MPART}
     72 	atf_check -o ignore -e ignore mount -o async ${BVND}${MPART} ${TMPMP}
     73 	atf_check -o ignore -e ignore touch ${TMPMP}/in_mounted_directory
     74 
     75 	echo "*** Testing forced unmount"
     76 	test -e "${TMPMP}/in_mounted_directory" || \
     77 	    atf_fail "Test file not present in mounted directory!"
     78 
     79 	cd "${TMPMP}"
     80 	atf_check -o ignore -e ignore umount -f "${BVND}${MPART}"
     81 
     82 	atf_check -s ne:0 -e inline:"ls: .: No such file or directory\n" ls .
     83 	atf_check -s ne:0 -e inline:"ls: ..: No such file or directory\n" ls ..
     84 
     85 	atf_check -s ne:0 -e ignore -o file:"${mydir}/dot" -x "cd . 2>&1"
     86 	atf_check -s ne:0 -e ignore -o file:"${mydir}/dotdot" -x "cd .. 2>&1"
     87 
     88 	cd "${mydir}"
     89 
     90 	test -e "${TMPMP}/under_the_mount" || \
     91 	    atf_fail "Original mount point disappeared!"
     92 }
     93 umount_cleanup()
     94 {
     95 	echo "*** Cleaning up ${TMPMP}, ${TMPIM}."
     96 	umount -f "${TMPMP}"
     97 	vnconfig -u "${VND}"
     98 }
     99 
    100 atf_init_test_cases()
    101 {
    102 	atf_add_test_case umount
    103 }
    104