From f419f51f1e0e5ccf4210968e8cf13b3954a6e1c3 Mon Sep 17 00:00:00 2001
From: Thomas Schmitt <scdbackup@gmx.net>
Date: Tue, 3 Dec 2019 22:07:34 +0100
Subject: [PATCH] Rejecting device names which are not a single word

---
 xorriso-dd-target/xorriso-dd-target | 13 ++++++++++---
 1 file changed, 10 insertions(+), 3 deletions(-)

diff --git a/xorriso-dd-target/xorriso-dd-target b/xorriso-dd-target/xorriso-dd-target
index dc2fa633..8ce2ebb5 100755
--- a/xorriso-dd-target/xorriso-dd-target
+++ b/xorriso-dd-target/xorriso-dd-target
@@ -212,9 +212,16 @@ arg_interpreter() {
       exit 0
     elif echo "$i" | grep -v '^-' >/dev/null
     then
-      devs_named=y
-      devs="$devs $i"
-      show_reasons=y
+      num=$(echo "$i" | wc -w)
+      if test "$num" = 1
+      then
+        devs_named=y
+        devs="$devs $i"
+        show_reasons=y
+      else
+        echo "$0 : Given device name is not a single word: '$i'" >&2
+        exit 12
+      fi
     else
       echo "$0 : Unknown option: $i" >&2
       echo >&2