2 ###############################################################################
4 # IPFire.org - A linux based firewall #
5 # Copyright (C) 2012 IPFire Network Development Team #
7 # This program is free software: you can redistribute it and/or modify #
8 # it under the terms of the GNU General Public License as published by #
9 # the Free Software Foundation, either version 3 of the License, or #
10 # (at your option) any later version. #
12 # This program is distributed in the hope that it will be useful, #
13 # but WITHOUT ANY WARRANTY; without even the implied warranty of #
14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the #
15 # GNU General Public License for more details. #
17 # You should have received a copy of the GNU General Public License #
18 # along with this program. If not, see <http://www.gnu.org/licenses/>. #
20 ###############################################################################
24 function ip_tunnel_add
() {
34 while [ $# -gt 0 ]; do
37 mode
=$
(cli_get_val
${1})
40 ttl
=$
(cli_get_val
${1})
44 remote_address
=$
(cli_get_val
${1})
47 local_address
=$
(cli_get_val
${1})
54 assert isoneof mode
${IP_TUNNEL_MODES}
56 # If TTL is set, make sure it is an integer.
57 isset ttl
&& assert isinteger ttl
59 assert isset remote_address
60 assert isset local_address
64 # Apply TTL if a value has been set.
66 cmd_args
="${cmd_args} ttl ${ttl}"
69 log DEBUG
"Creating tunnel device '${device}' (mode=${mode})..."
72 cmd ip tunnel add
${device} mode
${mode} \
73 remote
${remote_address} local ${local_address} ${cmd_args}
78 function ip_tunnel_del
() {
80 assert device_exists
${device}
82 # Make sure the device has been shut down.
83 device_set_down
${device}
85 log DEBUG
"Removing tunnel device '${device}'..."
87 ip tunnel del
${device}