From ab5fd2d895f3df3cac4c4333d38aa371b37ad281 Mon Sep 17 00:00:00 2001
From: David Runge <dave@sleepmap.de>
Date: Fri, 20 Oct 2017 22:06:14 +0200
Subject: bin/cs: Adding validate_cryptdevice_name. Moving settings for devices
 to configuration file holding an associative array for name and UUID of
 device.

---
 bin/cs | 77 +++++++++++++++++++++++++++++++-----------------------------------
 1 file changed, 36 insertions(+), 41 deletions(-)

(limited to 'bin')

diff --git a/bin/cs b/bin/cs
index 8788afd..c4d6de9 100755
--- a/bin/cs
+++ b/bin/cs
@@ -2,21 +2,18 @@
 
 set -euo pipefail
 
-storage="/dev/disk/by-uuid/3f781aab-24b5-4de0-8632-b9df922d6433"
-music="/dev/disk/by-uuid/e0b19c7d-9e90-4117-aea1-7e4b321d9d5a"
-photos="/dev/disk/by-uuid/b3c5a842-474b-4c2f-a246-abebe1da3450"
-backup="/dev/disk/by-uuid/e003337a-33e9-4691-bc57-e77243e55de5"
-video="/dev/disk/by-uuid/5ac700be-e168-495b-b133-42064fa101e4"
-media="/dev/disk/by-uuid/e5adbc14-732e-43e8-b6e1-febdfe6d1d3c"
-mediabackup="/dev/disk/by-uuid/4467b7af-ab65-4fb7-9798-00d0ee9b4002"
-videobackup="/dev/disk/by-uuid/80d50a4c-a04e-432e-8265-9a11a4386612"
-audiobackup="/dev/disk/by-uuid/c1d8cea9-aa95-4063-a44d-63e0a702477b"
+declare -A devices
+valid_name=0
+command_name=${1:-}
+device_name=${2:-}
+
+. ~/.config/cs.conf
 
 function open_cryptdevice() {
-  if [ -L "$1" ]; then
-    /usr/bin/sudo /usr/bin/cryptsetup luksOpen $1 $2
+  if [ -L "/dev/disk/by-uuid/$1" ]; then
+    /usr/bin/sudo /usr/bin/cryptsetup luksOpen "/dev/disk/by-uuid/$1" $2
   else
-    echo "Error: Device $2 ($1) is not available."
+    echo "Error: Device $2 (UUID=$1) is not available."
     return 1
   fi
 }
@@ -48,42 +45,40 @@ function unmount_cryptdevice() {
   /usr/bin/sudo /usr/bin/umount /mnt/$1
 }
 
+function validate_cryptdevice_name() {
+  local _result_valid_name=$1
+  local name_found=0
+  local input_name=${2:-}
+  for name in "${!devices[@]}"; do
+    if [ $name = "${input_name}" ]; then
+      name_found=1
+      eval $_result_valid_name="'$name_found'"
+    fi
+  done
+}
+
+validate_cryptdevice_name valid_name ${device_name}
+if [ $valid_name -eq 0 ]; then
+  echo "No such device: '$device_name'!"
+  exit 1
+fi
+
 case $1 in
   "open")
-    case $2 in
-      "storage")
-        open_cryptdevice $storage $2
-        ;;
-      "music")
-        open_cryptdevice $music $2
-        ;;
-      "photos")
-        open_cryptdevice $photos $2
-        ;;
-      "backup")
-        open_cryptdevice $backup $2
-        ;;
-      "video")
-        open_cryptdevice $video $2
-        ;;
-      "videobackup")
-        open_cryptdevice $videobackup $2
-        ;;
-      "media")
-        open_cryptdevice $media $2
-        ;;
-      "mediabackup")
-        open_cryptdevice $mediabackup $2
-        ;;
-      "audiobackup")
-        open_cryptdevice $audiobackup $2
-        ;;
-    esac
+    open_cryptdevice ${devices[${2}]} $2
     mount_cryptdevice $2
     ;;
   "close")
     unmount_cryptdevice $2
     close_cryptdevice $2
     ;;
+  *)
+    echo "cs only understands 'open' and 'close'."
+    exit 1
+    ;;
 esac
 
+exit 0
+
+#TODO: create mount point if not available
+#TODO: display list of devices available, if no argument given
-- 
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