projects / people / arne_f / network.git / blame
| Commit | Line | Data |
|---|---|---|
| 837995e6 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 | function bridge_attach_device() { | |
| 23 | local bridge=${1} | |
| 24 | local device=${2} | |
| 25 | ||
| 26 | assert isset bridge | |
| 27 | assert isset device | |
| 28 | ||
| 29 | assert device_exists ${bridge} | |
| 30 | assert device_exists ${device} | |
| 31 | ||
| 32 | # If device is already attached, exit silently | |
| 33 | if listmatch ${device} $(bridge_get_members ${bridge}); then | |
| 34 | return ${EXIT_OK} | |
| 35 | fi | |
| 36 | ||
| 37 | log INFO "Attaching device '${device}' to bridge '${bridge}'." | |
| 38 | ||
| 39 | brctl addif ${bridge} ${device} | |
| 40 | } | |
| 41 | ||
| 42 | function bridge_detach_device() { | |
| 43 | local bridge=${1} | |
| 44 | local device=${2} | |
| 45 | ||
| 46 | assert isset bridge | |
| 47 | assert isset device | |
| 48 | ||
| 49 | if ! device_exists ${bridge}; then | |
| 50 | error "Bridge '${bridge}' does not exist." | |
| 51 | return ${EXIT_ERROR} | |
| 52 | fi | |
| 53 | ||
| 54 | if ! device_exists ${device}; then | |
| 55 | error "Device '${device}' does not exist." | |
| 56 | return ${EXIT_ERROR} | |
| 57 | fi | |
| 58 | ||
| 59 | log INFO "Detaching device '${device}' from bridge '${bridge}'." | |
| 60 | ||
| 61 | brctl delif ${bridge} ${device} | |
| 62 | } | |
| 63 | ||
| 64 | function bridge_get_members() { | |
| 65 | local bridge=${1} | |
| 66 | ||
| 67 | assert isset bridge | |
| 68 | ||
| 69 | local member | |
| 70 | for member in ${SYS_CLASS_NET}/${bridge}/brif/*; do | |
| 71 | member=$(basename ${member}) | |
| 72 | if device_exists ${member}; then | |
| 73 | echo "${member}" | |
| 74 | fi | |
| 75 | done | |
| 76 | } | |
| 77 | ||
| 78 | function bridge_is_forwarding() { | |
| 79 | local seconds=45 | |
| 80 | local zone=${1} | |
| 81 | ||
| 82 | bridge_has_carrier ${zone} || return ${EXIT_ERROR} | |
| 83 | ||
| 84 | local device | |
| 85 | while [ ${seconds} -gt 0 ]; do | |
| 86 | for device in ${SYS_CLASS_NET}/${zone}/brif/*; do | |
| 87 | [ -e "${device}/state" ] || continue | |
| 88 | if [ "$(<${device}/state)" = "3" ]; then | |
| 89 | return ${EXIT_OK} | |
| 90 | fi | |
| 91 | done | |
| 92 | sleep 1 | |
| 93 | seconds=$((${seconds} - 1)) | |
| 94 | done | |
| 95 | ||
| 96 | return ${EXIT_ERROR} | |
| 97 | } | |
| 98 | ||
| 99 | function bridge_has_carrier() { | |
| 100 | local zone=${1} | |
| 101 | ||
| 102 | local has_carrier=${EXIT_ERROR} | |
| 103 | ||
| 104 | local device | |
| 105 | for device in ${SYS_CLASS_NET}/${zone}/brif/*; do | |
| 106 | device=$(basename ${device}) | |
| 107 | device_exists ${device} || continue | |
| 108 | ||
| 109 | device_has_carrier ${device} && has_carrier=${EXIT_OK} | |
| 110 | done | |
| 111 | ||
| 112 | return ${has_carrier} | |
| 113 | } |