]>
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-config
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 # XXX maybe we can add some hashing to identify a configuration again
63 config_write $
(zone_dir
${zone})/configs/${HOOK}.$(uuid) ${HOOK_SETTINGS}
73 if ! device_exists
${zone}; then
74 error
"Zone '${zone}' doesn't exist."
78 config_read $
(zone_dir
${zone})/configs
/${config}
80 if ! zone_has_ipv4
${zone} ${ADDRESS}/${PREFIX}; then
81 if ipv4_detect_duplicate
${zone} ${ADDRESS}; then
82 error_log
"Duplicate address detected on zone '${zone}' (${ADDRESS})."
83 error_log
"Cannot continue."
87 ip addr add
${ADDRESS}/${PREFIX} dev ${zone}
89 # Announce our new address to the neighbours
90 ipv4_update_neighbours
${zone} ${ADDRESS}
93 if zone_is_nonlocal
${zone} && [ -n "${GATEWAY}" ]; then
95 red_db_set
${zone} type "${HOOK}"
96 red_db_set
${zone} local-ip-address ${ADDRESS}/${PREFIX}
97 red_db_set
${zone} remote-ip-address
${GATEWAY}
99 red_db_set
${zone} active
1
100 red_routing_update
${zone}
111 if ! device_exists
${zone}; then
112 error
"Zone '${zone}' doesn't exist."
116 config_read $
(zone_dir
${zone})/configs
/${config}
118 if zone_has_ipv4
${zone} ${ADDRESS}/${PREFIX}; then
119 ip addr del
${ADDRESS}/${PREFIX} dev ${zone}
130 if ! device_exists
${zone}; then
131 error
"Zone '${zone}' doesn't exist."
135 config_read $
(zone_dir
${zone})/configs
/${config}
137 printf " %10s - " "${HOOK}"
138 if zone_has_ipv4
${zone} ${ADDRESS}/${PREFIX}; then
139 echo -ne "${COLOUR_ENABLED}ENABLED ${COLOUR_NORMAL}"
141 echo -ne "${COLOUR_DISABLED}DISABLED${COLOUR_NORMAL}"
143 echo " - ${ADDRESS}/${PREFIX}"
145 if [ -n "${GATEWAY}" ]; then
146 echo " Gateway: ${GATEWAY}"
152 function ipv4_mask_to_cidr
() {
156 for field
in $
(tr '.' ' ' <<<${1}); do
157 mask
=$
(( $
(( ${mask} << 8 )) | ${field} ))
161 local x=$(( 128 << 24 )) # 0x80000000
163 while [ $(( ${x} & ${mask} )) -ne 0 ]; do
164 [ ${mask} -eq ${x} ] && mask=0 || mask=$(( ${mask} << 1 ))
165 cidr=$((${cidr} + 1))
168 if [ $(( ${mask} & 2147483647 )) -ne 0 ]; then # 2147483647 = 0x7fffffff
169 echo "Invalid net mask: $1" >&2