From 8d6e755be59220d0f40a6e234fba6ed35b5ffb7b Mon Sep 17 00:00:00 2001
From: erik <erikfor@outlook.de>
Date: Wed, 6 Jan 2021 20:18:36 +0000
Subject: [PATCH] Added encription support

---
 do-plication | 42 ++++++++++++++++++++++++++++++------------
 1 file changed, 30 insertions(+), 12 deletions(-)

diff --git a/do-plication b/do-plication
index e8265ac..1dad465 100755
--- a/do-plication
+++ b/do-plication
@@ -2,18 +2,36 @@
 
 if [ "$1" = "-h" ]
     then 
-        echo "do-plication <option> [directory to back up]"
+        echo "do-plication <option> <enable/disable Encryprion> <n> [directory to back up] [path to key file] [ key file descriptoin(only if key not alreadey created) ]"
     	echo
     	echo "Options:"
     	echo 
-    	echo "-a append arcive to the back of the tape"
-        echo "-c checks (lists) the contents of the n'th arcive {do-plication <option> <n>"
-    	echo "-f Override the n'th arcive {do-plication <option> <n> [directory to back up]}"
-        echo "-l Load the n'th arcive {do-plication <option> <n> [directory to back up]}"
+    	echo "-a append arcive to the back of the tape put 0 as n"
+        echo "-c checks (lists) the contents of the n'th arcive"
+    	echo "-f Override the n'th arcive"
+        echo "-l Load the n'th arcive"
         echo 
+        echo 
+        echo "Enable/Disable Encryprion"
+        echo "-e Encrypt "
+        echo "-n noEncrypt"
     exit 0
 fi
 
+if [ "$2" = "-e" ]
+    then 
+        ls "$4" > /dev/null
+        if [$? -gt 0]
+            then 
+                echo "key not fount creating key"
+                stenc -g 256 -k "$5" -kd "$6";
+                stenc -f /dev/nst0 -e on -k "$5" -a 1 --ckod
+            else 
+                echo "key fount using key"
+                stenc -f /dev/nst0 -e on -k "$5" -a 1 --ckod
+        fi 
+
+fi
 # Going to the right directory 
 # cd /media
 
@@ -23,26 +41,26 @@ case "$1" in
         sudo mt -f /dev/nst0 eod;
         sudo mt -f /dev/nst0 status;
         echo "your arcive will be the file number"
-        sudo screen -dmS do-plication tar -cvf /dev/nst0 "$2"
+        sudo screen -dmS do-plication tar -cvf /dev/nst0 "$3"
         true
     ;;
 
     -c)
-        sudo mt -f /dev/nst0 asf "$2";
+        sudo mt -f /dev/nst0 asf "$3";
         sudo tar tvf /dev/st0 
         true 
     ;;
 
     -f)
-        sudo mt -f /dev/nst0 asf "$2";
-        echo "your arcive wil be $2";
-        sudo screen -dmS do-plication tar -cvf /dev/nst0 "$3"
+        sudo mt -f /dev/nst0 asf "$3";
+        echo "your arcive wil be $3";
+        sudo screen -dmS do-plication tar -cvf /dev/nst0 "$4"
         true
     ;;
 
     -l) 
-        sudo mt -f /dev/nst0 asf "$2";
-        sudo screen -dmS do-plication tar xvf /dev/nst0  -C "$3"
+        sudo mt -f /dev/nst0 asf "$3";
+        sudo screen -dmS do-plication tar xvf /dev/nst0  -C "$4"
         true
 esac
 exit $?
\ No newline at end of file