Bump Standards-Version to 3.9.4

[grml-crypt.git] / grml-crypt

diff --git a/grml-crypt b/grml-crypt
index b9f0f26..6a4cd70 100755 (executable)
--- a/grml-crypt
+++ b/grml-crypt
@@ -36,6 +36,7 @@ ACTION_=""
 DM_PREFIX_="grml-crypt_"
 FORCE_='false'
 FSCK_='false'
+FSCK_EXTRA_OPTS_=""
 ENTROPY_SOURCE_='/dev/urandom'
 OPTIMIZED_MODE_SET_='false'
 OPTIMIZING_LEVEL_=0
@@ -67,7 +68,10 @@ OPTIONS:
    -o         optimised initialisation mode (should be as secure as the default but faster)
    -y         verifies the passphrase by asking for it twice
    -f         force file overwriting in format mode and/or disable confirmation dialog
-   -F         only for action start: run fsck before mounting the filesystem. Use fsck's -f option if given twice.
+   -F         only for action start: run fsck before mounting the filesystem.
+              Use fsck's -f option if given twice.
+   -X         Read next argument as a list of options to pass to fsck:
+              'grml-crypt -FF -X "-y -T" start /dev/ice' will run fsck with options -y and -T.
    -m         additional arguments to mount
    -v         verbose (show what is going on, v++)
    -h         this help text
@@ -83,8 +87,8 @@ ACTIONS:
               Format a device or a file (is created with the given size if it
               does not exist) with the given filesystem and mount it, if a
               mountpoint was given.
-   start  <device/file> <mountpoint>
-              Mount the device/file in the mountpoint.
+   start  <device/file> [mountpoint]
+              Mount the device/file in the mountpoint or to a default mountpoint.
    stop   <mountpoint>
               Umount the given mountpoint (umount, luksClose, losetup -d)
 
@@ -166,13 +170,13 @@ function actionStart
 {
   ret_=0
 
-  # no mountpoint, by-by
   if [[ "$MOUNT_POINT_" == "" ]]; then
-    printUsage
-    die 'no mountpoint given'
-  fi
-  if [ ! -d "$MOUNT_POINT_" ]; then
-    die "mountpoint $MOUNT_POINT_ does not exist"
+    MOUNT_POINT_="/media/$DM_NAME_"
+  else
+    # error out if mountpoint was given but doesn't exist
+    if [ ! -d "$MOUNT_POINT_" ]; then
+      die "mountpoint $MOUNT_POINT_ does not exist"
+    fi
   fi
   # removed due to unionfs problem isLuks does not work with filesystem images
   # without losetup
@@ -192,12 +196,17 @@ function actionStart
   execute "$CRYPTSETUP_ $cargs_ luksOpen $TARGET_ $DM_NAME_" warn || execute "losetup -d $TARGET_" || \
     die "could not luksOpen $TARGET_"
   if [[ "$FSCK_" == "true" ]] ; then
-    execute "fsck -C $DM_PATH_" || die "fsck failed on $DM_PATH_"
+    execute "fsck $FSCK_EXTRA_OPTS_ -C $DM_PATH_" || die "fsck failed on $DM_PATH_"
   elif [[ "$FSCK_" == "trueforce" ]] ; then
-    execute "fsck -f -C $DM_PATH_" || die "fsck failed on $DM_PATH_"
+    execute "fsck -f $FSCK_EXTRA_OPTS_ -C $DM_PATH_" || die "fsck failed on $DM_PATH_"
   fi
   margs_=""
   $READONLY_SET_ && margs_='-r'
+  # mountpoint was not given so we use the default one which we need to create first
+  if [ ! -d "$MOUNT_POINT_" ]; then
+    execute "mkdir -p '$MOUNT_POINT_'" || die "failed to create mountpoint $MOUNT_POINT_"
+  fi
+  udevadm settle
   execute "mount $margs_ $ADDITIONAL_MOUNT_ARGS_ $DM_PATH_ $MOUNT_POINT_" die
 }
 
@@ -240,6 +249,9 @@ function actionStop
   dprint "device_=\"$device_\""
 
   execute "umount $dm_path_" die "could not unmount $device_"
+  if [[ "$MOUNT_POINT_" == "/media/$dm_name_" ]]; then
+    rmdir "$MOUNT_POINT_"
+  fi
   execute "$CRYPTSETUP_ luksClose $dm_name_" die "could not close $dm_path_"
   echo "$device_" |grep loop &>/dev/null && execute "losetup -d $device_" \
     die "could not delete loop device $device_" || \
@@ -366,7 +378,7 @@ function actionFormat
 ### __MAIN
 ###
 
-while getopts "s:t:rzoyfFm:hvS:C:I:A:" opt; do
+while getopts "s:t:rzoyfFm:hvS:C:I:A:X:" opt; do
   case "$opt" in
     s) SIZE_="$OPTARG"; SIZE_SET_='true' ;;
     t) FSTYPE_="$OPTARG" ;;
@@ -384,6 +396,7 @@ while getopts "s:t:rzoyfFm:hvS:C:I:A:" opt; do
          FSCK_='true'
        fi
       ;;
+    X) FSCK_EXTRA_OPTS_="$OPTARG" ;;
     m) ADDITIONAL_MOUNT_ARGS_="$OPTARG" ;;
     h) printUsage; exit ;;
     v) let verbose_=$verbose_+1 ;;
@@ -414,8 +427,8 @@ if (( $OPTIMIZING_LEVEL_ > 1 )); then
 fi
 TARGET_="$2"
 
-MKFS_="/sbin/mkfs.$FSTYPE_"
-if [ ! -x "$MKFS_" ]; then
+MKFS_="`which mkfs.$FSTYPE_`"
+if [ $? != "0" ]; then
   die "invalid filesystem type \"$FSTYPE_\"" 1
 fi