def change_net(network, netmask, ccd, fn_ips, ipv6):
if ipv6:
option = "ifconfig-ipv6-push"
appendix = "/" + network.split('/')[1] + "\n"
else:
option = "ifconfig-push"
appendix = " " + netmask + "\n"
ip_map_new = []
listener.setuid(0)
lo = ul.getMachineConnection()
users = lo.search('univentionOpenvpnAccount=1')
listener.unsetuid()
users = map(lambda user: user[1].get('uid', [None])[0], users)
for name in users:
ip_new = generate_ip(network, ip_map_new)
ip_map_new.append((name, ip_new))
# write entry in ccd
cc = univention_openvpn_common.load_rc(3, ccd + name + ".openvpn")
if cc is None:
cc = []
else:
cc = [x for x in cc if not re.search(option, x)]
cc.append(option + " " + ip_new + appendix)
univention_openvpn_common.write_rc(3, cc, ccd + name + ".openvpn")
univention_openvpn_common.write_ip_map(3, ip_map_new, fn_ips)
# generate ips for conflict_users
for name in conflict_users:
ip_new = generate_ip(network, ip_map_new)
ip_map_new.append((name, ip_new))
# write entries in ccd
for (name, ip) in ip_map_new:
cc = univention_openvpn_common.load_rc(3, ccd + name + ".openvpn")
if cc is None:
cc = []
else:
cc = [x for x in cc if not re.search(option, x)]
cc.append(option + " " + ip + appendix)
univention_openvpn_common.write_rc(3, cc, ccd + name + ".openvpn")
univention_openvpn_common.write_ip_map(3, ip_map_new, fn_ips)
def generate_ip(network, ip_map):
ips = netaddr.IPNetwork(network)
first = ips[0]
second = ips[1]
for newip in ips.iter_hosts():
if newip == first or newip == second:
continue
use = True
for (name, ip) in ip_map:
if str(newip) == ip:
use = False
break
if use:
return str(newip)