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943e3f7e | 1 | #!/bin/bash |
9620ecef MT |
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 | ############################################################################### | |
943e3f7e MT |
21 | |
22 | function virtual_init() { | |
23 | module_load 8021q | |
24 | } | |
25 | ||
26 | init_register virtual_init | |
9620ecef MT |
27 | |
28 | function device_create_virtual() { | |
29 | log WARN "Called deprecated function device_create_virtual" | |
30 | device_virtual_create $@ | |
31 | } | |
32 | ||
33 | function virtual_create() { | |
34 | local port=$(devicify ${1}) | |
35 | local vid=${2} | |
36 | local mac=${3} | |
37 | local newport=${port}v${vid} | |
38 | ||
39 | if [ -z "${mac}" ]; then | |
40 | mac=$(mac_generate) | |
41 | fi | |
42 | ||
43 | log INFO "Creating virtual device '${newport}' with address '${mac}'." | |
44 | ||
45 | local oldport=$(virtual_get_by_parent_and_vid ${port} ${vid}) | |
46 | ||
47 | if device_exists ${oldport}; then | |
48 | local differences | |
49 | ||
50 | if [ "${oldport}" != "${newport}" ]; then | |
51 | differences="${differences} name" | |
52 | fi | |
53 | if [ "$(device_get_address ${oldport})" != "${mac}" ]; then | |
54 | differences="${differences} address" | |
55 | fi | |
56 | ||
57 | echo "differences: $differences" | |
58 | ||
59 | if [ -n "${differences}" ]; then | |
60 | if device_is_used ${oldport}; then | |
61 | error_log "There was a device '${oldport}' set up with VID '${vid}' and parent '${port}' which is used somewhere else. Cannot go on." | |
62 | return ${EXIT_ERROR} | |
63 | else | |
64 | log DEBUG "There is a device '${oldport}' but it not used, so we grab it to ourselves." | |
65 | fi | |
66 | else | |
67 | log DEBUG "Device '${newport}' already exists and reflects our configuration. Go on." | |
68 | ||
69 | device_set_up ${oldport} | |
70 | return ${EXIT_OK} | |
71 | fi | |
72 | ||
73 | else | |
74 | log DEBUG "Virtual device '${newport}' does not exist, yet." | |
75 | ||
76 | vconfig set_name_type DEV_PLUS_VID_NO_PAD >/dev/null | |
77 | vconfig add ${port} ${vid} >/dev/null | |
78 | ||
79 | if [ $? -ne ${EXIT_OK} ]; then | |
80 | error_log "Could not create virtual device '${newport}'." | |
81 | return ${EXIT_ERROR} | |
82 | fi | |
83 | ||
84 | oldport=$(virtual_get_by_parent_and_vid ${port} ${vid}) | |
85 | ||
86 | fi | |
87 | ||
88 | assert device_exists ${oldport} | |
89 | ||
90 | if ! device_exists ${oldport}; then | |
91 | error "Could not determine the created virtual device '${newport}'." | |
92 | return ${EXIT_ERROR} | |
93 | fi | |
94 | ||
95 | # The device is expected to be named like ${port}.${vid} | |
96 | # and will be renamed to the virtual schema | |
97 | device_set_name ${oldport} ${newport} | |
98 | ||
99 | if [ $? -ne ${EXIT_OK} ]; then | |
100 | error_log "Could not set name of virtual device '${newport}'." | |
101 | return ${EXIT_ERROR} | |
102 | fi | |
103 | ||
104 | assert device_exists ${newport} | |
105 | ||
106 | # Setting new mac address | |
107 | device_set_address ${newport} ${mac} | |
108 | ||
109 | if [ $? -ne ${EXIT_OK} ]; then | |
110 | error_log "Could not set address '${mac}' to virtual device '${newport}'." | |
111 | return ${EXIT_ERROR} | |
112 | fi | |
113 | ||
114 | # Bring up the new device | |
115 | device_set_up ${newport} | |
116 | ||
117 | return ${EXIT_OK} | |
118 | } | |
119 | ||
120 | function virtual_remove() { | |
121 | local device=$(devicify ${1}) | |
122 | ||
123 | log INFO "Removing virtual device '${device}' with address '$(macify ${device})'." | |
124 | ||
125 | device_set_down ${device} | |
126 | ||
127 | vconfig rem ${device} >/dev/null | |
128 | ||
129 | if [ $? -ne ${EXIT_OK} ]; then | |
130 | error_log "Could not remote virtual device '${newport}'." | |
131 | return ${EXIT_ERROR} | |
132 | fi | |
133 | ||
134 | return ${EXIT_OK} | |
135 | } | |
136 | ||
137 | function virtual_get_parent() { | |
138 | local device=${1} | |
139 | ||
140 | local parent=$(grep "^${device}" < /proc/net/vlan/config | awk '{ print $NF }') | |
141 | ||
142 | if device_exists ${parent}; then | |
143 | echo "${parent}" | |
144 | return ${EXIT_OK} | |
145 | fi | |
146 | ||
147 | return ${EXIT_ERROR} | |
148 | } | |
149 | ||
150 | function virtual_get_by_parent_and_vid() { | |
151 | local parent=${1} | |
152 | local vid=${2} | |
153 | ||
154 | assert isset parent | |
155 | assert isset vid | |
156 | ||
157 | local v_port | |
158 | local v_id | |
159 | local v_parent | |
160 | ||
161 | assert [ -e "/proc/net/vlan/config" ] | |
162 | ||
163 | fgrep '|' < /proc/net/vlan/config | tr -d '|' | \ | |
164 | while read v_port v_id v_parent; do | |
165 | if [ "${v_parent}" = "${parent}" ] && [ "${v_id}" = "${vid}" ]; then | |
166 | echo "${v_port}" | |
167 | return ${EXIT_OK} | |
168 | fi | |
169 | done | |
170 | ||
171 | return ${EXIT_ERROR} | |
172 | } | |
173 | ||
174 | function device_virtual_create() { | |
175 | log WARN "Called deprecated function device_virtual_create" | |
176 | virtual_create $@ | |
177 | } | |
178 | ||
179 | function device_virtual_remove() { | |
180 | log WARN "Called deprecated function device_virtual_remove" | |
181 | virtual_remove $@ | |
182 | } | |
183 | ||
184 | function device_virtual_get_parent() { | |
185 | log WARN "Called deprecated function device_virtual_get_parent" | |
186 | virtual_get_parent $@ | |
187 | } | |
188 | ||
189 | function device_virtual_get_by_parent_and_vid() { | |
190 | log WARN "Called deprecated function device_virtual_get_by_parent_and_vid" | |
191 | virtual_get_by_parent_and_vid $@ | |
192 | } |