Add wifi-sncf-tgv.sh

wifi-sncf-tgv.sh

@@ -0,0 +1,20 @@
+#!/usr/bin/env bash
+
+### Wifi @ SNCF TGV INOUI
+### Sacha 20240401
+### Validate captive portal access
+
+wifiinterface="wlp170s0"
+tmpfile=/tmp/wifi-tgv.tmp
+
+# Get DHCP answears
+nmap --script broadcast-dhcp-discover -e $wifiinterface > $tmpfile
+DNS=$(grep "Domain Name Server" $tmpfile | awk -F: '{gsub (" ", "", $0); print $2}')
+
+# Enabling the wifi
+echo "Enabling SNCF's Wifi"
+curl --silent --output /dev/null -X POST 'https://wifi.sncf/router/api/connection/activate/auto' --resolve wifi.sncf:443:$DNS
+
+# Optional: Check if we have Internet with perdu.com
+echo -n "Checking Internet Access... "
+curl --silent perdu.com |grep ici &&  echo "OK !!!" || echo "KO :((("