t[cleanup] Replace 'test' with [[ expr ]] - tomb - the crypto undertaker
HTML git clone git://parazyd.org/tomb.git
DIR Log
DIR Files
DIR Refs
DIR README
DIR LICENSE
---
DIR commit 8df1575a4423b436b13c0447623df61ec0dac6b7
DIR parent b857122d7d204f4f6e47d2dd46e23cd2cd6530e2
HTML Author: hellekin <hellekin@cepheide.org>
Date: Tue, 4 Nov 2014 02:20:26 -0300
t[cleanup] Replace 'test' with [[ expr ]]
Diffstat:
M tomb | 337 ++++++++++++++-----------------
1 file changed, 154 insertions(+), 183 deletions(-)
---
DIR diff --git a/tomb b/tomb
t@@ -1475,8 +1475,7 @@ lock_tomb_with_key() {
else
ask_key_password
fi
- { test $? = 0 } || {
- _failure "No valid password supplied." }
+ [[ $? == 0 ]] || _failure "No valid password supplied."
_success "Locking ::1 tomb file:: with ::2 tomb key file::" $TOMBFILE $TOMBKEYFILE
t@@ -1485,29 +1484,25 @@ lock_tomb_with_key() {
cryptsetup --key-file - --batch-mode \
--cipher ${cipher} --key-size 256 --key-slot 0 \
luksFormat ${nstloop}
- if ! [ $? = 0 ]; then
+ [[ $? == 0 ]] || {
_warning "cryptsetup luksFormat returned an error."
- _failure "Operation aborted."
- fi
+ _failure "Operation aborted." }
print -n - $TOMBSECRET | \
cryptsetup --key-file - \
--cipher ${cipher} luksOpen ${nstloop} tomb.tmp
- if ! [ $? = 0 ]; then
+ [[ $? == 0 ]] || {
_warning "cryptsetup luksOpen returned an error."
- _failure "Operation aborted."
- fi
+ _failure "Operation aborted." }
_message "Formatting your Tomb with Ext3/Ext4 filesystem."
${=MKFS} $TOMBNAME /dev/mapper/tomb.tmp
- if [ $? != 0 ]; then
+ [[ $? == 0 ]] || {
_warning "Tomb format returned an error."
- _warning "Your tomb ::1 tomb file:: may be corrupted." $TOMBFILE
- fi
-
- # sync
+ _warning "Your tomb ::1 tomb file:: may be corrupted." $TOMBFILE }
+ # Sync
cryptsetup luksClose tomb.tmp
_message "Done locking ::1 tomb name:: using Luks dm-crypt ::2 cipher::" $TOMBNAME $cipher
t@@ -1536,7 +1531,7 @@ change_tomb_key() {
nstloop=`lo_new`
cryptsetup isLuks ${nstloop}
# is it a LUKS encrypted nest? we check one more time
- { test $? = 0 } || {
+ [[ $? == 0 ]] || {
_failure "Not a valid LUKS encrypted volume: ::1 volume::" $TOMBPATH }
_load_key $tombkey # Try loading given key and set TOMBKEY and
t@@ -1561,15 +1556,14 @@ change_tomb_key() {
else
ask_key_password
fi
- { test $? = 0 } || {
+ [[ $? == 0 ]] || {
_failure "No valid password supplied for the old key." }
old_secret=$TOMBSECRET
# luksOpen the tomb (not really mounting, just on the loopback)
print -n - "$old_secret" | \
cryptsetup --key-file - luksOpen ${nstloop} ${mapper}
- { test $? = 0 } || {
- _failure "Unexpected error in luksOpen." }
+ [[ $? == 0 ]] || _failure "Unexpected error in luksOpen."
_load_key # Try loading new key from option -k and set TOMBKEYFILE
t@@ -1582,7 +1576,7 @@ change_tomb_key() {
else
ask_key_password
fi
- { test $? = 0 } || {
+ [[ $? == 0 ]] || {
_failure "No valid password supplied for the new key." }
new_secret=$TOMBSECRET
t@@ -1658,33 +1652,27 @@ mount_tomb() {
_load_key # Try loading new key from option -k and set TOMBKEYFILE
- if [ "$2" = "" ]; then
- tombmount=/media/$TOMBFILE
- _message "Mountpoint not specified, using default: ::1 mount point::" $tombmount
- else
- tombmount=$2
- fi
+ tombmount=${2:-/media/$TOMBFILE}
+ [[ -z "$2" ]] && {
+ _message "Mountpoint not specified, using default: ::1 mount point::" $tombmount }
- # check if its already open
+ # Check if its already open
mount -l | grep "${tombfile}.*\[$tombname\]$" 2>&1 > /dev/null
- if [ $? = 0 ]; then
+ [[ $? == 0 ]] && {
_warning "::1 tomb name:: is already open." $TOMBNAME
_message "Here below its status is reported:"
list_tombs $TOMBNAME
- return 0
- fi
+ return 0 }
_success "Opening ::1 tomb file:: on ::2 mount point::" $TOMBFILE $tombmount
lo_mount $TOMBPATH
nstloop=`lo_new`
- cryptsetup isLuks ${nstloop}
- if [ $? != 0 ]; then
+ cryptsetup isLuks ${nstloop} || {
# is it a LUKS encrypted nest? see cryptsetup(1)
- _warning "::1 tomb file:: is not a valid Luks encrypted storage file." $TOMBFILE
- return 1
- fi
+ _failure "::1 tomb file:: is not a valid Luks encrypted storage file." $TOMBFILE }
+
_message "This tomb is a valid LUKS encrypted device."
luksdump="`cryptsetup luksDump ${nstloop}`"
t@@ -1698,7 +1686,7 @@ mount_tomb() {
BEGIN { zero=0 }
/^Key slot 0/ { zero=1 }
/^Key slot.*ENABLED/ { if(zero==1) print "WARN" }'`
- { test "$slotwarn" = "WARN" } && {
+ [[ "$slotwarn" == "WARN" ]] && {
_warning "Multiple key slots are enabled on this tomb. Beware: there can be a backdoor." }
# save date of mount in minutes since 1970
t@@ -1711,22 +1699,20 @@ mount_tomb() {
# take the name only, strip extensions
_verbose "Tomb name: ::1 tomb name:: (to be engraved)" $TOMBNAME
- if option_is_set --tomb-pwd; then
+ { option_is_set --tomb-pwd } && {
tomb_pwd="`option_value --tomb-pwd`"
_verbose "tomb-pwd = ::1 tomb pass::" $tomb_pwd
ask_key_password "$tomb_pwd"
- else
+ } || {
ask_key_password
- fi
- { test $? = 0 } || {
- _failure "No valid password supplied." }
+ }
+ [[ $? == 0 ]] || _failure "No valid password supplied."
print -n - $TOMBSECRET | \
cryptsetup --key-file - luksOpen ${nstloop} ${mapper}
- if ! [ -r /dev/mapper/${mapper} ]; then
- _failure "Failure mounting the encrypted file."
- fi
+ [[ -r /dev/mapper/${mapper} ]] || {
+ _failure "Failure mounting the encrypted file." }
# preserve the loopdev after exit
lo_preserve "$nstloop"
t@@ -1755,7 +1741,7 @@ mount_tomb() {
_success "Success opening ::1 tomb file:: on ::2 mount point::" $TOMBFILE $tombmount
# print out when was opened the last time, by whom and where
- { test -r ${tombmount}/.last } && {
+ [[ -r ${tombmount}/.last ]] && {
tombtty="`cat ${tombmount}/.tty`"
tombhost="`cat ${tombmount}/.host`"
tombuid="`cat ${tombmount}/.uid`"
t@@ -1781,10 +1767,10 @@ mount_tomb() {
# process bind-hooks (mount -o bind of directories)
# and post-hooks (execute on open)
- if ! option_is_set -n ; then
+ { option_is_set -n } || {
exec_safe_bind_hooks ${tombmount}
- exec_safe_post_hooks ${tombmount} open
- fi
+ exec_safe_post_hooks ${tombmount} open }
+
return 0
}
t@@ -1835,9 +1821,9 @@ exec_safe_bind_hooks() {
for dir in ${mounted}; do umount $dir; done
return 1 }
- if [ ! -r "$HOME/${maps[$dir]}" ]; then
+ if [[ ! -r "$HOME/${maps[$dir]}" ]]; then
_warning "bind-hook target not existent, skipping ::1 home::/::2 subdir::" $HOME ${maps[$dir]}
- elif [ ! -r "$mnt/$dir" ]; then
+ elif [[ ! -r "$mnt/$dir" ]]; then
_warning "bind-hook source not found in tomb, skipping ::1 mount point::/::2 subdir::" $mnt $dir
else
mount -o bind,$MOUNTOPTS $mnt/$dir $HOME/${maps[$dir]} \
t@@ -1881,7 +1867,7 @@ list_tombs() {
# list all open tombs
mounted_tombs=(`list_tomb_mounts $1`)
- { test ${#mounted_tombs} = 0 } && {
+ [[ ${#mounted_tombs} == 0 ]] && {
_failure "I can't see any ::1 status:: tomb, may they all rest in peace." ${1:-open} }
for t in ${mounted_tombs}; do
t@@ -1894,7 +1880,7 @@ list_tombs() {
# calculate tomb size
ts=`df -hP /dev/mapper/$mapper |
- awk "/mapper/"' { print $2 ";" $3 ";" $4 ";" $5 }'`
+awk "/mapper/"' { print $2 ";" $3 ";" $4 ";" $5 }'`
tombtot=${ts[(ws:;:)1]}
tombused=${ts[(ws:;:)2]}
tombavail=${ts[(ws:;:)3]}
t@@ -1903,29 +1889,31 @@ list_tombs() {
tombsince=`date --date=@${mapper[(ws:.:)3]} +%c`
# find out who opens it from where
- { test -r ${tombmount}/.tty } && {
+ [[ -r ${tombmount}/.tty ]] && {
tombtty="`cat ${tombmount}/.tty`"
tombhost="`cat ${tombmount}/.host`"
tombuid="`cat ${tombmount}/.uid`"
tombuser=`awk -F: '/:'"$tombuid"':/ {print $1}' /etc/passwd`
}
- if option_is_set --get-mountpoint; then
- echo $tombmount
- continue
- fi
- # breaking up such strings is good for translation
- print -n "$fg[green]$tombname"
+ { option_is_set --get-mountpoint } && { echo $tombmount; continue }
+
+ ## Breaking up such strings is good for translation
+
+ # $tombname open on $tombmount using $tombfs $tombfsopts
+ print -n "$fg[green]$tombname"
print -n "$fg[white] open on "
print -n "$fg_bold[white]$tombmount"
print -n "$fg_no_bold[white] using "
print "$fg_bold[white]$tombfs $tombfsopts"
+ # $tombname open since $tombsince
print -n "$fg_no_bold[green]$tombname"
print -n "$fg_no_bold[white] open since "
print "$fg_bold[white]$tombsince$fg_no_bold[white]"
- { test "$tombtty" = "" } || {
+ [[ -z "$tombtty" ]] || {
+ # $tombname open by $tombuser from $tombtty on $tombhost
print -n "$fg_no_bold[green]$tombname"
print -n "$fg_no_bold[white] open by "
print -n "$fg_bold[white]$tombuser"
t@@ -1935,6 +1923,8 @@ list_tombs() {
print "$fg_bold[white]$tombhost"
}
+ # $tombname size $tombtot of which $tombused used: $tombavail
+ # free ($tombpercent full)
print -n "$fg_no_bold[green]$tombname"
print -n "$fg[white] size "
print -n "$fg_bold[white]$tombtot"
t@@ -1946,14 +1936,15 @@ list_tombs() {
print -n "$fg_bold[white]$tombpercent"
print "$fg_no_bold[white] full)"
- if [[ ${tombp} -ge 90 ]]; then
+ [[ ${tombp} -ge 90 ]] && {
+ # $tombname Your tomb is almost full!
print -n "$fg_no_bold[green]$tombname"
- print "$fg_bold[red] Your tomb is almost full!"
- fi
+ print "$fg_bold[red] Your tomb is almost full!" }
- # now check hooks
+ # Now check hooks
mounted_hooks=(`list_tomb_binds $tombname`)
for h in ${mounted_hooks}; do
+ # $tombname hooks
print -n "$fg_no_bold[green]$tombname"
print -n "$fg_no_bold[white] hooks "
# print -n "$fg_bold[white]`basename ${h[(ws:;:)1]}`"
t@@ -1964,8 +1955,8 @@ list_tombs() {
}
-# print out an array of mounted tombs (internal use)
-# format is semi-colon separated list of attributes
+# Print out an array of mounted tombs (internal use)
+# Format is semi-colon separated list of attributes
# if 1st arg is supplied, then list only that tomb
#
# String positions in the semicolon separated array:
t@@ -1980,7 +1971,7 @@ list_tombs() {
#
# 5. tomb name
list_tomb_mounts() {
- if [ "$1" = "" ]; then
+ [[ -z "$1" ]] && {
# list all open tombs
mount -l \
| awk '
t@@ -1991,7 +1982,7 @@ BEGIN { main="" }
main=$1
}
'
- else
+ } || {
# list a specific tomb
mount -l \
| awk -vtomb="[$1]" '
t@@ -2003,7 +1994,7 @@ BEGIN { main="" }
main=$1
}
'
- fi
+ }
}
# list_tomb_binds
t@@ -2011,8 +2002,8 @@ BEGIN { main="" }
# format is semi-colon separated list of attributes
# needs an argument: name of tomb whose hooks belong
list_tomb_binds() {
- if [ "$1" = "" ]; then
- _failure "Internal error: list_tomb_binds called without argument."; fi
+ [[ -z "$1" ]] && {
+ _failure "Internal error: list_tomb_binds called without argument." }
# list bind hooks on util-linux 2.20 (Debian 7)
mount -l \
t@@ -2055,12 +2046,12 @@ index_tombs() {
_verbose "$updatedbver"
mounted_tombs=(`list_tomb_mounts $1`)
- { test ${#mounted_tombs} = 0 } && {
- if [ $1 ]; then _failure "There seems to be no open tomb engraved as [::1::]" $1
- else _failure "I can't see any open tomb, may they all rest in peace."
- fi
- }
-
+ [[ ${#mounted_tombs} == 0 ]] && {
+ # Considering one tomb
+ [[ -n "$1" ]] && {
+ _failure "There seems to be no open tomb engraved as [::1::]" $1 }
+ # Or more
+ _failure "I can't see any open tomb, may they all rest in peace." }
_success "Creating and updating search indexes."
t@@ -2074,7 +2065,7 @@ index_tombs() {
mapper=`basename ${t[(ws:;:)1]}`
tombname=${t[(ws:;:)5]}
tombmount=${t[(ws:;:)2]}
- { test -r ${tombmount}/.noindex } && {
+ [[ -r ${tombmount}/.noindex ]] && {
_message "Skipping ::1 tomb name:: (.noindex found)." $tombname
continue }
_message "Indexing ::1 tomb name:: filenames..." $tombname
t@@ -2173,8 +2164,8 @@ search_tombs() {
# list all open tombs
mounted_tombs=(`list_tomb_mounts`)
- if [ ${#mounted_tombs} = 0 ]; then
- _failure "I can't see any open tomb, may they all rest in peace."; fi
+ [[ ${#mounted_tombs} == 0 ]] && {
+ _failure "I can't see any open tomb, may they all rest in peace." }
_success "Searching for: ::1::" ${(f)@}
for t in ${mounted_tombs}; do
t@@ -2182,22 +2173,20 @@ search_tombs() {
mapper=`basename ${t[(ws:;:)1]}`
tombname=${t[(ws:;:)5]}
tombmount=${t[(ws:;:)2]}
- if [ -r ${tombmount}/.updatedb ]; then
-
- # use mlocate to search hits on filenames
- _message "Searching filenames in tomb ::1 tomb name::" $tombname
- locate -d ${tombmount}/.updatedb -e -i "${(f)@}"
- _message "Matches found: ::1 matches::" $(locate -d ${tombmount}/.updatedb -e -i -c ${(f)@})
-
- # use swish-e to search over contents
- [[ $SWISH == 1 && -r $tombmount/.swish ]] && {
- _message "Searching contents in tomb ::1 tomb name::" $tombname
- swish-e -w ${=@} -f $tombmount/.swish -H0 }
-
- else
+ [[ -r ${tombmount}/.updatedb ]] && {
+ # Use mlocate to search hits on filenames
+ _message "Searching filenames in tomb ::1 tomb name::" $tombname
+ locate -d ${tombmount}/.updatedb -e -i "${(f)@}"
+ _message "Matches found: ::1 matches::" \
+ $(locate -d ${tombmount}/.updatedb -e -i -c ${(f)@})
+
+ # Use swish-e to search over contents
+ [[ $SWISH == 1 && -r $tombmount/.swish ]] && {
+ _message "Searching contents in tomb ::1 tomb name::" $tombname
+ swish-search -w ${=@} -f $tombmount/.swish -H0 }
+ } || {
_warning "Skipping tomb ::1 tomb name::: not indexed." $tombname
- _warning "Run 'tomb index' to create indexes."
- fi
+ _warning "Run 'tomb index' to create indexes." }
done
_message "Search completed."
}
t@@ -2216,7 +2205,7 @@ resize_tomb() {
[[ ! -r $tombpath ]] && _failure "Cannot find ::1::" $tombpath
newtombsize="`option_value -s`"
- { test "$newtombsize" = "" } && {
+ [[ -z "$newtombsize" ]] && {
_failure "Aborting operations: new size was not specified, use -s" }
_plot $tombpath # Set TOMB{PATH,DIR,FILE,NAME}
t@@ -2227,17 +2216,17 @@ resize_tomb() {
local mounted_tomb=`mount -l |
awk -vtomb="[$TOMBNAME]" '/^\/dev\/mapper\/tomb/ { if($7==tomb) print $1 }'`
- if [ "$mounted_tomb" ]; then
- _failure "Please close the tomb ::1 tomb name:: before trying to resize it." $TOMBNAME
- fi
-
- if ! [ "$newtombsize" ] ; then
- _failure "You must specify the new size of ::1 tomb name::" $TOMBNAME
- elif [[ $newtombsize != <-> ]]; then
- _failure "Size is not an integer."
- elif [ "$newtombsize" -le "$oldtombsize" ]; then
- _failure "The new size must be greater then old tomb size."
- fi
+ # Tomb must not be open
+ [[ -z "$mounted_tomb" ]] || {
+ _failure "Please close the tomb ::1 tomb name:: before trying to resize it." $TOMBNAME }
+ # New tomb size must be specified
+ [[ -n "$newtombsize" ]] || {
+ _failure "You must specify the new size of ::1 tomb name::" $TOMBNAME }
+ # New tomb size must be an integer
+ [[ $newtombsize == <-> ]] || _failure "Size is not an integer."
+ # Tombs can only grow in size
+ [[ "$newtombsize" -gt "$oldtombsize" ]] || {
+ _failure "The new size must be greater then old tomb size." }
delta="$(( $newtombsize - $oldtombsize ))"
t@@ -2246,18 +2235,17 @@ resize_tomb() {
_verbose "Data dump using ::1:: from /dev/urandom" ${DD[1]}
${=DD} if=/dev/urandom bs=1048576 count=${delta} >> $TOMBPATH
- { test $? = 0 } || {
+ [[ $? == 0 ]] || {
_failure "Error creating the extra resize ::1 size::, operation aborted." $tmp_resize }
- if option_is_set --tomb-pwd; then
+ { option_is_set --tomb-pwd } && {
tomb_pwd="`option_value --tomb-pwd`"
_verbose "tomb-pwd = ::1 tomb pass::" $tomb_pwd
ask_key_password "$tomb_pwd"
- else
+ } || {
ask_key_password
- fi
- { test $? = 0 } || {
- _failure "No valid password supplied." }
+ }
+ [[ $? == 0 ]] || _failure "No valid password supplied."
lo_mount "${tombdir}/${tombfile}"
nstloop=`lo_new`
t@@ -2268,24 +2256,17 @@ resize_tomb() {
print -n - $TOMBSECRET | \
cryptsetup --key-file - luksOpen ${nstloop} ${mapper}
- if ! [ -r /dev/mapper/${mapper} ]; then
- _failure "Failure mounting the encrypted file."
- fi
+ [[ -r /dev/mapper/${mapper} ]] || {
+ _failure "Failure mounting the encrypted file." }
- cryptsetup resize "${mapper}"
- if [ $? != 0 ]; then
- _failure "cryptsetup failed to resize ::1 mapper::" $mapper
- fi
+ cryptsetup resize "${mapper}" || {
+ _failure "cryptsetup failed to resize ::1 mapper::" $mapper }
- e2fsck -p -f /dev/mapper/${mapper}
- if [ $? != 0 ]; then
- _failure "e2fsck failed to check ::1 mapper::" $mapper
- fi
+ e2fsck -p -f /dev/mapper/${mapper} || {
+ _failure "e2fsck failed to check ::1 mapper::" $mapper }
- resize2fs /dev/mapper/${mapper}
- if [ $? != 0 ]; then
- _failure "resize2fs failed to resize ::1 mapper::" $mapper
- fi
+ resize2fs /dev/mapper/${mapper} || {
+ _failure "resize2fs failed to resize ::1 mapper::" $mapper }
sleep 1 # needs to settle a bit
t@@ -2310,14 +2291,13 @@ umount_tomb() {
mounted_tombs=(`list_tomb_mounts $1`)
fi
- { test ${#mounted_tombs} = 0 } && {
- _warning "There is no open tomb to be closed."
- return 1 }
+ [[ ${#mounted_tombs} == 0 ]] && {
+ _failure "There is no open tomb to be closed." }
- { test ${#mounted_tombs} -gt 1 } && { test "$1" = "" } && {
- _warning "Too many tombs mounted, please specify one (see tomb list)"
- _warning "or issue the command 'tomb close all' to close them all."
- return 1 }
+ [[ ${#mounted_tombs} -gt 1 && -z "$1" ]] && {
+ _warning "Too many tombs mounted, please specify one (see tomb list)"
+ _warning "or issue the command 'tomb close all' to close them all."
+ _failure "Operation aborted." }
_message "Tomb close ::1::" $1
t@@ -2333,64 +2313,57 @@ umount_tomb() {
_verbose "Mount: ::1 mount point::" $tombmount
_verbose "Mapper: ::1 mapper::" $mapper
- { test -e "$mapper" } && {
+ [[ -e "$mapper" ]] && {
_warning "Tomb not found: ::1 tomb file::" $1
_warning "Please specify an existing tomb."
return 0 }
- if [ $SLAM ]; then
- _success "Slamming tomb ::1 tomb name:: mounted on ::2 mount point::" $tombname $tombmount
+ [[ -n $SLAM ]] && {
+ _success "Slamming tomb ::1 tomb name:: mounted on ::2 mount point::" \
+ $tombname $tombmount
_message "Kill all processes busy inside the tomb."
- if ! slam_tomb "$tombmount"; then
- _warning "Cannot slam the tomb ::1 tomb name::" $tombname
- return 1
- fi
- else
- _message "Closing tomb ::1 tomb name:: mounted on ::2 mount point::" $tombname $tombmount
- fi
+ { slam_tomb "$tombmount" } || {
+ _failure "Cannot slam the tomb ::1 tomb name::" $tombname }
+ } || {
+ _message "Closing tomb ::1 tomb name:: mounted on ::2 mount point::" \
+ $tombname $tombmount }
- # check if there are binded dirs and close them
+ # check if there are binded dirs and close them
bind_tombs=(`list_tomb_binds $tombname`)
for b in ${bind_tombs}; do
bind_mapper="${b[(ws:;:)1]}"
bind_mount="${b[(ws:;:)2]}"
_message "Closing tomb bind hook: ::1 hook::" $bind_mount
- umount $bind_mount
- if [[ $? != 0 ]]; then
- if [ $SLAM ]; then
+ umount $bind_mount || {
+ [[ -n $SLAM ]] && {
_success "Slamming tomb: killing all processes using this hook."
slam_tomb "$bind_mount"
- if [[ $? == 1 ]]; then
- _warning "Cannot slam the bind hook ::1 hook::" $bind_mount
- return 1
- fi
+ [[ $? == 1 ]] && {
+ _failure "Cannot slam the bind hook ::1 hook::" $bind_mount }
umount $bind_mount
- else
- _warning "Tomb bind hook ::1 hook:: is busy, cannot close tomb." $bind_mount
- fi
- fi
+ } || {
+ _warning "Tomb bind hook ::1 hook:: is busy, cannot close tomb." $bind_mount }
+ }
done
- # Execute post-hooks for eventual cleanup
- if ! option_is_set -n ; then
- exec_safe_post_hooks ${tombmount%%/} close
- fi
+ # Execute post-hooks for eventual cleanup
+ { option_is_set -n } || {
+ exec_safe_post_hooks ${tombmount%%/} close }
_verbose "Performing umount of ::1 mount point::" $tombmount
- umount ${tombmount}
- if ! [ $? = 0 ]; then _warning "Tomb is busy, cannot umount!"
- else
- # this means we used a "default" mount point
- { test "${tombmount}" = "/media/${tombname}.tomb" } && {
- rmdir ${tombmount} }
- fi
+ umount ${tombmount} && {
+ # We used a default mountpoint
+ [[ "$tombmount" == "/media/$tombname.tomb" ]] && {
+ rmdir $tombmount }
+ } || { _warning "Tomb is busy, cannot umount!" }
cryptsetup luksClose $mapper
- { test $? = 0 } || {
- _warning "Error occurred in cryptsetup luksClose ::1 mapper::" $mapper
- return 1 }
+ [[ $? == 0 ]] || {
+ _failure "Error occurred in cryptsetup luksClose ::1 mapper::" $mapper }
- losetup -d "/dev/$tombloop"
+ # Normally the loopback device is detached when unused
+ [[ -e "/dev/$tombloop" ]] && losetup -d "/dev/$tombloop" || {
+ _verbose "/dev/$tombloop was already closed." }
_success "Tomb ::1 tomb name:: closed: your bones will rest in peace." $tombname
t@@ -2550,22 +2523,20 @@ main() {
fi
PARAM+=$arg
done
- #first parameter actually is the subcommand: delete it and shift
- if [[ $subcommand != '__default' ]]; then
- PARAM[1]=()
- shift
- fi
+ # First parameter actually is the subcommand: delete it and shift
+ [[ $subcommand != '__default' ]] && { PARAM[1]=(); shift }
+
### End parsing command-specific options
- if ! option_is_set --no-color; then
- autoload colors; colors
- fi
- if ! option_is_set --unsecure-dev-mode; then
+
+ # Use colors unless told not to
+ { ! option_is_set --no-color } && { autoload -Uz colors && colors }
+ # Some options are only available during insecure mode
+ { ! option_is_set --unsecure-dev-mode } && {
for opt in --sudo-pwd --tomb-pwd --use-urandom --tomb-old-pwd; do
- if option_is_set $opt; then
- exitv=127 _failure "You specified option ::1 option::, which is DANGEROUS and should only be used for testing\nIf you really want so, add --unsecure-dev-mode" $opt
- fi
+ { option_is_set $opt } && {
+ exitv=127 _failure "You specified option ::1 option::, which is DANGEROUS and should only be used for testing\nIf you really want so, add --unsecure-dev-mode" $opt }
done
- fi
+ }
# When we run as root, we remember the original uid:gid to set
# permissions for the calling user and drop privileges