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1 | #!/bin/bash |
2 | ############################################################################### | |
3 | # # | |
4 | # IPFire.org - A linux based firewall # | |
5 | # Copyright (C) 2012 IPFire Network Development Team # | |
6 | # # | |
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. # | |
11 | # # | |
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. # | |
16 | # # | |
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/>. # | |
19 | # # | |
20 | ############################################################################### | |
21 | ||
22 | IP_TUNNEL_MODES="sit" | |
23 | ||
24 | function ip_tunnel_add() { | |
25 | local device=${1} | |
26 | shift | |
27 | ||
28 | local mode="sit" | |
29 | local ttl | |
30 | ||
31 | local remote_address | |
32 | local local_address | |
33 | ||
34 | while [ $# -gt 0 ]; do | |
35 | case "${1}" in | |
36 | --mode=*) | |
37 | mode=$(cli_get_val ${1}) | |
38 | ;; | |
39 | --ttl=*) | |
40 | ttl=$(cli_get_val ${1}) | |
41 | ;; | |
42 | ||
43 | --remote-address=*) | |
44 | remote_address=$(cli_get_val ${1}) | |
45 | ;; | |
46 | --local-address=*) | |
47 | local_address=$(cli_get_val ${1}) | |
48 | ;; | |
49 | esac | |
50 | shift | |
51 | done | |
52 | ||
53 | assert isset mode | |
54 | assert isoneof mode ${IP_TUNNEL_MODES} | |
55 | ||
56 | # If TTL is set, make sure it is an integer. | |
57 | isset ttl && assert isinteger ttl | |
58 | ||
59 | assert isset remote_address | |
60 | assert isset local_address | |
61 | ||
62 | local cmd_args | |
63 | ||
64 | # Apply TTL if a value has been set. | |
65 | if isset ttl; then | |
66 | cmd_args="${cmd_args} ttl ${ttl}" | |
67 | fi | |
68 | ||
69 | log DEBUG "Creating tunnel device '${device}' (mode=${mode})..." | |
70 | ||
71 | # Create the device. | |
72 | cmd ip tunnel add ${device} mode ${mode} \ | |
73 | remote ${remote_address} local ${local_address} ${cmd_args} | |
74 | assert [ $? -eq 0 ] | |
75 | } | |
76 | ||
77 | ||
78 | function ip_tunnel_del() { | |
79 | local device=${1} | |
80 | assert device_exists ${device} | |
81 | ||
82 | # Make sure the device has been shut down. | |
83 | device_set_down ${device} | |
84 | ||
85 | log DEBUG "Removing tunnel device '${device}'..." | |
86 | ||
87 | ip tunnel del ${device} | |
88 | assert [ $? -eq 0 ] | |
89 | } |