Changes between Version 2 and Version 3 of Menu

Timestamp:

03/22/22 09:26:48 (4 years ago)

Author:

krit

Comment:

--

Menu

@@ -7 +7 @@
 /home/admin/menu4.sh
 }}}
+
+check valid script "./checkIP.sh 192.168.8.9/24" 
+
+{{{
+#!/bin/bash
+
+# Test an IP address for validity:
+# Usage:
+#      valid_ip IP_ADDRESS
+#      if [[ $? -eq 0 ]]; then echo good; else echo bad; fi
+#   OR
+#      if valid_ip IP_ADDRESS; then echo good; else echo bad; fi
+#
+
+function valid_ip()
+{
+    local  ip=$1
+    local  stat=1
+
+    if [[ $ip =~ ^[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}$ ]]; then
+        OIFS=$IFS
+        IFS='.'
+        ip=($ip)
+        IFS=$OIFS
+        [[ ${ip[0]} -le 255 && ${ip[1]} -le 255 \
+            && ${ip[2]} -le 255 && ${ip[3]} -le 255 ]]
+        stat=$?
+    fi
+    return $stat
+}
+
+
+# set static LAN IP in  /etc/network/interfaces
+IP_ADDR=$1
+IP_ADDR_NET=${IP_ADDR/\//\\/}
+IP_ONLY=$(sed "s/\/.*//" <<< "$IP_ADDR")
+echo $IP_ONLY
+if valid_ip $IP_ONLY; then stat=true; else stat=false; fi
+if [ "$stat" = true ] ; then
+    echo "IP set"
+    sudo /bin/sed -i "s/address.*/address $IP_ADDR_NET/g" /etc/network/interfaces
+else
+    echo "IP not valid"
+fi
+
+}}}
+
+check valid GW ip "./checkGW.sh 192.168.0.1"
+{{{
+#!sh
+#!/bin/bash
+
+# Test an IP address for validity:
+# Usage:
+#      valid_ip IP_ADDRESS
+#      if [[ $? -eq 0 ]]; then echo good; else echo bad; fi
+#   OR
+#      if valid_ip IP_ADDRESS; then echo good; else echo bad; fi
+#
+
+function valid_ip()
+{
+    local  ip=$1
+    local  stat=1
+
+    if [[ $ip =~ ^[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}$ ]]; then
+        OIFS=$IFS
+        IFS='.'
+        ip=($ip)
+        IFS=$OIFS
+        [[ ${ip[0]} -le 255 && ${ip[1]} -le 255 \
+            && ${ip[2]} -le 255 && ${ip[3]} -le 255 ]]
+        stat=$?
+    fi
+    return $stat
+}
+
+
+
+# set static LAN IP in  /etc/network/interfaces
+GW_ADDR=$1
+
+if valid_ip $GW_ADDR; then stat=true; else stat=false; fi
+if [ "$stat" = true ] ; then
+    echo "GW set"
+    sudo /bin/sed -i "s/gateway.*/gateway  $GW_ADDR/g" /etc/network/interfaces
+else
+    echo "GW not valid"
+fi
+
+}}}