maintain a list of static routes

main.py

@@ -120,6 +120,9 @@ def post_gateways():
         with open('/data/ovpn/clients/' + name, 'w') as f:
             f.write(staticclient)
 
+        with open('/data/ip/routes', 'a') as f:
+            f.write(network + ' via ' + address + '\n')
+
         db.commit()
         return jsonify({'status': 'ok'})
     except KeyError as e:
@@ -170,6 +173,21 @@ def delete_gateway(fqdn):
     # TODO sanity check for this parameter! Possible system command injection
     db = sqlite3.connect(DATABASE)
     cu = db.cursor()
+    for row in cu.execute('SELECT u.id, g.subid FROM gateway AS g INNER JOIN user AS u ON u.id = g.user WHERE g.name = ?', [str(fqdn,)]):
+        userid = row[0]
+        subid = row[1]
+        ipid = '{:x}{:x}'.format(userid, subid)
+        break
+
+    address = '2001:470:c844::' + ipid + '0/64'
+    network = '2001:470:c844:' + ipid + '0::/60'
+
+    sedrm = "sed -i '\\_^" + network + " via " + address + "$_d' /data/ip/routes"
+    print('[sedrm] ' + sedrm)
+    r = os.system(sedrm)
+    if r != 0:
+        raise Ex(500, 'exit: {} cannot sed-out ip route'.format(r))
+
     cu.execute('DELETE FROM gateway AS g WHERE g.name = ?', [str(fqdn,)])
 
     try: