projects / people / stevee / network.git / blame
| Commit | Line | Data |
|---|---|---|
| 1848564d MT |
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 | ||
| 22 | . /lib/network/header-port | |
| 23 | ||
| 24 | HOOK_SETTINGS="HOOK ADDRESS PREFIX GATEWAY" | |
| 25 | ||
| 26 | function _check() { | |
| 27 | assert isset ADDRESS | |
| 28 | assert isinteger PREFIX | |
| 29 | ||
| 30 | if [ ${PREFIX} -gt 30 ]; then | |
| 31 | error "PREFIX is greater than 30." | |
| 32 | exit ${EXIT_ERROR} | |
| 33 | fi | |
| 34 | } | |
| 35 | ||
| 36 | function _create() { | |
| 37 | local zone=${1} | |
| 38 | shift | |
| 39 | ||
| 40 | while [ $# -gt 0 ]; do | |
| 41 | case "${1}" in | |
| 42 | --address=*) | |
| 43 | ADDRESS=${1#--address=} | |
| 44 | ;; | |
| 45 | --netmask=*) | |
| 46 | NETMASK=${1#--netmask=} | |
| 47 | ;; | |
| 48 | --prefix=*) | |
| 49 | PREFIX=${1#--prefix=} | |
| 50 | ;; | |
| 51 | --gateway=*) | |
| 52 | GATEWAY=${1#--gateway=} | |
| 53 | ;; | |
| 54 | esac | |
| 55 | shift | |
| 56 | done | |
| 57 | ||
| 58 | if [ -z "${PREFIX}" -a -n "${NETMASK}" ]; then | |
| 59 | PREFIX=$(ipv4_mask_to_cidr ${NETMASK}) | |
| 60 | fi | |
| 61 | ||
| 62 | config_write $(zone_dir ${zone})/config.${HOOK}.$(uuid) ${HOOK_SETTINGS} | |
| 63 | ||
| 64 | exit ${EXIT_OK} | |
| 65 | } | |
| 66 | ||
| 67 | function _up() { | |
| 68 | local zone=${1} | |
| 69 | local config=${2} | |
| 70 | shift 2 | |
| 71 | ||
| 72 | if ! device_exists ${zone}; then | |
| 73 | error "Zone '${zone}' doesn't exist." | |
| 74 | exit ${EXIT_ERROR} | |
| 75 | fi | |
| 76 | ||
| 77 | config_read $(zone_dir ${zone})/${config} | |
| 78 | ||
| 79 | if ! zone_has_ipv4 ${zone} ${ADDRESS}/${PREFIX}; then | |
| 80 | ip addr add ${ADDRESS}/${PREFIX} dev ${zone} | |
| 81 | else | |
| 82 | warning "Do not set IPv4 address '${ADDRESS}/${PREFIX}' because it was already configured on zone '${zone}'." | |
| 83 | fi | |
| 84 | ||
| 940d7206 MT |
85 | if zone_is_nonlocal ${zone} && [ -n "${GATEWAY}" ]; then |
| 86 | : # XXX to be done | |
| 1848564d MT |
87 | fi |
| 88 | ||
| 89 | exit ${EXIT_OK} | |
| 90 | } | |
| 91 | ||
| 92 | function _down() { | |
| 93 | local zone=${1} | |
| 94 | local config=${2} | |
| 95 | shift 2 | |
| 96 | ||
| 97 | if ! device_exists ${zone}; then | |
| 98 | error "Zone '${zone}' doesn't exist." | |
| 99 | exit ${EXIT_ERROR} | |
| 100 | fi | |
| 101 | ||
| 102 | config_read $(zone_dir ${zone})/${config} | |
| 103 | ||
| 104 | if zone_has_ipv4 ${zone} ${ADDRESS}/${PREFIX}; then | |
| 105 | ip addr del ${ADDRESS}/${PREFIX} dev ${zone} | |
| 106 | fi | |
| 107 | ||
| 108 | exit ${EXIT_OK} | |
| 109 | } | |
| 110 | ||
| 111 | function ipv4_mask_to_cidr() { | |
| 112 | local mask=0 | |
| 113 | ||
| 114 | local field | |
| 115 | for field in $(tr '.' ' ' <<<${1}); do | |
| 116 | mask=$(( $(( ${mask} << 8 )) | ${field} )) | |
| 117 | done | |
| 118 | ||
| 119 | local cidr=0 | |
| 120 | local x=$(( 128 << 24 )) # 0x80000000 | |
| 121 | ||
| 122 | while [ $(( ${x} & ${mask} )) -ne 0 ]; do | |
| 123 | [ ${mask} -eq ${x} ] && mask=0 || mask=$(( ${mask} << 1 )) | |
| 124 | cidr=$((${cidr} + 1)) | |
| 125 | done | |
| 126 | ||
| 127 | if [ $(( ${mask} & 2147483647 )) -ne 0 ]; then # 2147483647 = 0x7fffffff | |
| 128 | echo "Invalid net mask: $1" >&2 | |
| 129 | else | |
| 130 | echo ${cidr} | |
| 131 | fi | |
| 132 | } | |
| 133 | ||
| 134 | run $@ |