]> git.ipfire.org Git - people/arne_f/network.git/blame - functions.ip
Make versioning of IP protocols more modular.
[people/arne_f/network.git] / functions.ip
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1#!/bin/bash
2###############################################################################
3# #
4# IPFire.org - A linux based firewall #
5# Copyright (C) 2010 Michael Tremer & Christian Schmidt #
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
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22# A list of supported versions of the IP protocol
23IP_SUPPORTED_PROTOCOLS=""
24
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25function ip_split_prefix() {
26 local address=${1}
27
28 assert isset address
29
30 echo "${address%%/*}"
31}
32
33function ip_get_prefix() {
34 local address=${1}
35
36 assert isset address
37
38 echo "${address##*/}"
39}
40
41function ip_detect_protocol() {
42 local address=${1}
43
44 assert isset address
45
46 local protocol
e617226b 47 for protocol in ${IP_SUPPORTED_PROTOCOLS}; do
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48 if ${protocol}_is_valid ${address}; then
49 echo "${protocol}"
50 return ${EXIT_OK}
51 fi
52 done
53
54 return ${EXIT_ERROR}
55}
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56
57function ip_protocol_is_supported() {
58 local proto=${1}
59
60 assert isset proto
61
62 listmatch ${proto} ${IP_SUPPORTED_PROTOCOLS}
63}