commit 3bdd93ca75d370f37910b940524c9f354ad11dc2
Author: Ringo Wantanabe <flandre@chiru.no>
Date:   Wed Jun 20 01:47:09 2018 +0100

    Initial commit

diff --git a/README b/README
new file mode 100644
index 0000000..beac176
--- /dev/null
+++ b/README
@@ -0,0 +1,4 @@
+Create and mount encrypted volume with one time key.
+
+deps:
+cryptsetup
diff --git a/mount-temp-volume b/mount-temp-volume
new file mode 100755
index 0000000..777cb7b
--- /dev/null
+++ b/mount-temp-volume
@@ -0,0 +1,75 @@
+#!/bin/bash
+
+sudo echo ">>> Initialising"
+
+METADIR=~/.etemp
+MOUNTPOINT=~/etemp
+VOLNAME=etemp
+
+if [[ ! -d "$METADIR" ]]; then
+	mkdir "$METADIR"
+fi
+
+if stat /dev/mapper/$VOLNAME &> /dev/null; then
+	echo "ERROR: /dev/mapper/$VOLNAME already exists. Please close the volume first."
+	exit 1
+fi
+
+if [[ `id -u` == 0 ]]; then
+	echo "WARNING: Running as root? This might not be what you want."
+fi
+
+if [[ -d "$MOUNTPOINT" ]]; then
+	rmdir "$MOUNTPOINT" || { echo "ERROR: Mount point $MOUNTPOINT is not empty"; exit 1; }
+fi
+
+mkdir "$MOUNTPOINT" || { echo "ERROR: Could not create mountpoint at $MOUNTPOINT"; exit 1; }
+
+if [[ -f "$METADIR/image" ]]; then
+	echo "WARNING: Image already exists"
+	read -p "Create anyway (y/N)? " -n 1 -r
+	echo
+	if [[ $REPLY =~ ^[Yy]$ ]]; then
+		rm "$METADIR/image" || exit 1
+	else
+		echo "Doing nothing."
+		exit 0
+	fi
+fi
+
+SIZE=$1
+
+if [[ ! "$SIZE" =~ ^[0-9]+[KkMmGg]?$ ]]; then
+	SIZE=1G
+	echo "WARNING: Size not provided, going with default ($SIZE)"
+fi
+
+echo ">>> Generating key"
+
+KEY=$(dd if=/dev/urandom bs=3 status=none count=256 | base64)
+
+echo "Will create container $METADIR/image and mount /dev/mapper/$VOLNAME at $MOUNTPOINT"
+read -p "Is this okay (y/N)? " -n 1 -r
+echo
+
+[[ $REPLY =~ ^[Yy]$ ]] || exit 1
+
+echo ">>> Creating container"
+
+fallocate -l $SIZE "$METADIR/image"
+
+echo ">>> Formatting container"
+
+echo $KEY | sudo cryptsetup luksFormat "$METADIR/image" -d -
+echo $KEY | sudo cryptsetup luksOpen "$METADIR/image" $VOLNAME -d -
+
+echo ">>> Creating filesystem"
+
+sudo mkfs.ext4 /dev/mapper/$VOLNAME
+
+echo ">>> Mounting volume to $MOUNTPOINT"
+
+sudo mount /dev/mapper/$VOLNAME "$MOUNTPOINT"
+sudo chown `whoami` "$MOUNTPOINT"
+
+echo "Done."
diff --git a/umount-temp-volume b/umount-temp-volume
new file mode 100755
index 0000000..00ddc53
--- /dev/null
+++ b/umount-temp-volume
@@ -0,0 +1,28 @@
+#!/bin/bash
+
+echo ">>> Initialising"
+
+MOUNTPOINT=etemp
+VOLNAME=etemp
+METADIR=.etemp
+
+if [[ `id -u` != 0 ]]; then
+	echo "WARNING: Not root. Running with sudo"
+	cd ~
+	sudo "$0"
+	exit 0
+fi
+
+echo ">>> Unmounting"
+
+sudo umount $MOUNTPOINT || echo "WARNING: Cannot unmount $MOUNTPOINT"
+
+echo ">>> Closing volume"
+
+sudo cryptsetup luksClose $VOLNAME
+
+echo ">>> Removing image"
+
+rm $METADIR/image
+
+echo "Done."