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7951525a MT |
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 | PROC_NET_VLAN="/proc/net/vlan" | |
23 | PROC_NET_VLAN_CONFIG="${PROC_NET_VLAN}/config" | |
24 | ||
25 | VLAN_PORT_INTERFIX="v" | |
26 | ||
1c6a4e30 | 27 | vlan_init() { |
7951525a MT |
28 | ebtables-restore <<EOF |
29 | *filter | |
30 | :INPUT ACCEPT | |
31 | :FORWARD ACCEPT | |
32 | :OUTPUT ACCEPT | |
33 | ||
34 | *broute | |
35 | :BROUTING ACCEPT | |
36 | -A BROUTING -p 802_1Q -j DROP | |
37 | EOF | |
38 | } | |
39 | ||
1c6a4e30 | 40 | vlan_create() { |
7951525a MT |
41 | local device=${1} |
42 | assert isset device | |
43 | ||
44 | local parent=${2} | |
45 | assert isset parent | |
46 | ||
47 | local tag=${3} | |
48 | assert isinteger tag | |
49 | ||
50 | local address=${4} | |
51 | if isset address; then | |
52 | assert ismac address | |
53 | fi | |
54 | ||
55 | # Check if a device with the name does already exist. | |
56 | if device_exists ${device}; then | |
57 | log ERROR "device '${device}' does already exist" | |
58 | return ${EXIT_ERROR} | |
59 | fi | |
60 | ||
61 | # Check if the parent device exists. | |
62 | if ! device_exists ${parent}; then | |
63 | log ERROR "parent device '${parent}' does not exist" | |
64 | return ${EXIT_ERROR} | |
65 | fi | |
66 | ||
67 | # Load ebtables stuff. | |
68 | vlan_init | |
69 | ||
70 | local command="ip link add link ${parent} name ${device}" | |
71 | ||
72 | if isset address; then | |
73 | command="${command} address ${address}" | |
74 | fi | |
75 | ||
76 | command="${command} type vlan id ${tag}" | |
77 | ||
78 | cmd_quiet ${command} | |
79 | local ret=$? | |
80 | ||
81 | if [ ${ret} -eq ${EXIT_OK} ]; then | |
82 | log DEBUG "vlan device '${device}' has been created" | |
83 | else | |
84 | log ERROR "could not create vlan device '${device}': ${ret}" | |
85 | fi | |
86 | ||
87 | return ${ret} | |
88 | } | |
89 | ||
1c6a4e30 | 90 | vlan_remove() { |
7951525a MT |
91 | local device=${1} |
92 | assert isset device | |
93 | ||
94 | # Set down device (if not already done). | |
95 | device_set_down ${device} | |
96 | ||
97 | device_delete ${device} | |
98 | } | |
99 | ||
1c6a4e30 | 100 | vlan_get_parent() { |
7951525a MT |
101 | local device=${1} |
102 | assert isset device | |
103 | ||
104 | # Nothing to do, if 8021q module is not loaded. | |
105 | [ -r "${PROC_NET_VLAN_CONFIG}" ] || return ${EXIT_OK} | |
106 | ||
107 | local dev spacer1 id spacer2 parent | |
108 | while read dev spacer1 id spacer2 parent; do | |
109 | [ "${device}" = "${dev}" ] || continue | |
110 | ||
111 | print "${parent}" | |
112 | return ${EXIT_OK} | |
113 | done < ${PROC_NET_VLAN_CONFIG} | |
114 | ||
115 | return ${EXIT_ERROR} | |
116 | } | |
117 | ||
1c6a4e30 | 118 | vlan_get_id() { |
7951525a MT |
119 | local device=${1} |
120 | assert isset device | |
121 | ||
122 | # Nothing to do, if 8021q module is not loaded. | |
123 | [ -r "${PROC_NET_VLAN_CONFIG}" ] || return ${EXIT_OK} | |
124 | ||
125 | local dev spacer1 id spacer2 parent | |
126 | while read dev spacer1 id spacer2 parent; do | |
127 | [ "${device}" = "${dev}" ] || continue | |
128 | ||
129 | print "${id}" | |
130 | return ${EXIT_OK} | |
131 | done < ${PROC_NET_VLAN_CONFIG} | |
132 | ||
133 | return ${EXIT_ERROR} | |
134 | } | |
135 | ||
1c6a4e30 | 136 | vlan_get_by_parent_and_vid() { |
7951525a MT |
137 | local parent=${1} |
138 | assert isset parent | |
139 | ||
140 | local vid=${2} | |
141 | assert isset vid | |
142 | ||
143 | # Nothing to do, if 8021q module is not loaded. | |
144 | [ -r "${PROC_NET_VLAN_CONFIG}" ] || return ${EXIT_OK} | |
145 | ||
146 | local dev spacer1 id spacer2 par | |
147 | while read dev spacer1 id spacer2 par; do | |
148 | [ "${parent}" = "${par}" ] || continue | |
149 | [ "${vid}" = "${id}" ] || continue | |
150 | ||
151 | print "${dev}" | |
152 | return ${EXIT_OK} | |
153 | done < ${PROC_NET_VLAN_CONFIG} | |
154 | ||
155 | return ${EXIT_ERROR} | |
156 | } |