]>
git.ipfire.org Git - people/arne_f/network.git/blob - hooks/zones/bridge.configs/ipv4-static
2 ###############################################################################
4 # IPFire.org - A linux based firewall #
5 # Copyright (C) 2010 Michael Tremer & Christian Schmidt #
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 ###############################################################################
22 .
/lib
/network
/header-port
24 HOOK_SETTINGS
="HOOK ADDRESS PREFIX GATEWAY"
28 assert isinteger PREFIX
30 if [ ${PREFIX} -gt 30 ]; then
31 error
"PREFIX is greater than 30."
40 while [ $# -gt 0 ]; do
43 ADDRESS
=${1#--address=}
46 NETMASK
=${1#--netmask=}
52 GATEWAY
=${1#--gateway=}
58 if [ -z "${PREFIX}" -a -n "${NETMASK}" ]; then
59 PREFIX
=$
(ipv4_mask_to_cidr
${NETMASK})
62 config_write $
(zone_dir
${zone})/config.${HOOK}.$(uuid) ${HOOK_SETTINGS}
72 if ! device_exists
${zone}; then
73 error
"Zone '${zone}' doesn't exist."
77 config_read $
(zone_dir
${zone})/${config}
79 if ! zone_has_ipv4
${zone} ${ADDRESS}/${PREFIX}; then
80 ip addr add
${ADDRESS}/${PREFIX} dev ${zone}
82 warning
"Do not set IPv4 address '${ADDRESS}/${PREFIX}' because it was already configured on zone '${zone}'."
85 if zone_is_nonlocal
${zone} && [ -n "${GATEWAY}" ]; then
97 if ! device_exists
${zone}; then
98 error
"Zone '${zone}' doesn't exist."
102 config_read $
(zone_dir
${zone})/${config}
104 if zone_has_ipv4
${zone} ${ADDRESS}/${PREFIX}; then
105 ip addr del
${ADDRESS}/${PREFIX} dev ${zone}
116 if ! device_exists
${zone}; then
117 error
"Zone '${zone}' doesn't exist."
121 config_read $
(zone_dir
${zone})/${config}
123 printf " %10s - " "${HOOK}"
124 if zone_has_ipv4
${zone} ${ADDRESS}/${PREFIX}; then
125 echo -ne "${COLOUR_OK} OK ${COLOUR_NORMAL}"
127 echo -ne "${COLOUR_ERROR}ERROR${COLOUR_NORMAL}"
129 echo " - ${ADDRESS}/${PREFIX}"
131 if [ -n "${GATEWAY}" ]; then
132 echo " Gateway: ${GATEWAY}"
138 function ipv4_mask_to_cidr
() {
142 for field
in $
(tr '.' ' ' <<<${1}); do
143 mask
=$
(( $
(( ${mask} << 8 )) | ${field} ))
147 local x=$(( 128 << 24 )) # 0x80000000
149 while [ $(( ${x} & ${mask} )) -ne 0 ]; do
150 [ ${mask} -eq ${x} ] && mask=0 || mask=$(( ${mask} << 1 ))
151 cidr=$((${cidr} + 1))
154 if [ $(( ${mask} & 2147483647 )) -ne 0 ]; then # 2147483647 = 0x7fffffff
155 echo "Invalid net mask: $1" >&2