3 files changed, 28 insertions, 9 deletions
diff --git a/retiolum/bin/check-free-retiolum-v4 b/retiolum/bin/check-free-retiolum-v4
new file mode 100755
index 00000000..e9c6b3ce
--- /dev/null
+++ b/retiolum/bin/check-free-retiolum-v4
@@ -0,0 +1,22 @@
+#! /bin/sh
+set -x
+netname=retiolum
+myipv4=${1-10.7.7.-1}
+v4num=${myipv4##*.}
+printf "Retard check: "
+if [ "$v4num" -gt 0 -a "$v4num" -lt "256" ];
+then 
+  printf "No retard detected\n"
+  cd /etc/tinc/$netname/hosts
+  printf "Check if ip is still free: "
+  for i in `ls -1`; do
+    if grep $myipv4 $i &>/dev/null ;then
+      echo "Host IP already taken by $i! "
+      exit 1
+    fi
+  done
+  printf "Passed"
+else
+  printf "you are made of stupid. bailing out\n" 
+  exit 1
+fi
diff --git a/retiolum/bin/check-free-retiolum-v6 b/retiolum/bin/check-free-retiolum-v6
new file mode 100755
index 00000000..20f87efe
--- /dev/null
+++ b/retiolum/bin/check-free-retiolum-v6
@@ -0,0 +1,2 @@
+#! /bin/sh
+exit 0
diff --git a/retiolum/scripts/tinc_setup/install.sh b/retiolum/scripts/tinc_setup/install.sh
index 0902d417..526dbe1f 100755
--- a/retiolum/scripts/tinc_setup/install.sh
+++ b/retiolum/scripts/tinc_setup/install.sh
@@ -1,6 +1,6 @@
 #! /bin/sh
 # USE WITH GREAT CAUTION
-set -euf
+set -eu
 
 if test "${nosudo-false}" != true -a `id -u` != 0; then
   echo "we're going sudo..." >&2
@@ -12,7 +12,7 @@ fi
 set -e
 DIRNAME=`dirname $0`
 CURR=`readlink -f ${DIRNAME}`
-MYBIN=../../bin
+MYBIN=${CURR}/../../bin
 netname=retiolum
 # create configuration directory for $netname
 mkdir -p /etc/tinc/$netname/hosts
@@ -37,18 +37,13 @@ then
   then
     echo "select v4 subnet ip (1-255) :"
     read v4num
-    myipv4=10.7.7.$v4num
-    if [  "$v4num" -gt 0 -a "$v4num" -lt "256" ];
-    then 
-      echo "check"
-    else
-      echo "you are made of stupid. bailing out" 
+    if ! $MYBIN/check-free-retiolum-v4 $v4num;then
       exit 1
     fi
   fi
   echo "Subnet = $myipv4" > hosts/$myname
 
-  myipv6=`${CURR}/../../bin/fillxx 42:xxxx:xxxx:xxxx:xxxx:xxxx:xxxx:xxxx`/128
+  myipv6=`$MYBIN/fillxx 42:xxxx:xxxx:xxxx:xxxx:xxxx:xxxx:xxxx`/128
   echo "Subnet = $myipv6" >> hosts/$myname
 else
   echo "own host file already exists! will not write again!"