projects / people / arne_f / network.git / blame
| Commit | Line | Data |
|---|---|---|
| ff8ec5ef 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 routing_has_default() { | |
| 23 | ip route | grep -q "^default" | |
| 24 | } | |
| 25 | ||
| 26 | function routing_default_update() { | |
| 27 | local zone | |
| 28 | local routes | |
| 29 | ||
| 30 | local gateway | |
| 31 | local weight | |
| 32 | ||
| 33 | log INFO "Updating default route." | |
| 34 | ||
| 35 | for zone in $(zones_get_nonlocal); do | |
| 36 | # Skip if zone is not up | |
| 37 | red_db_exists ${zone} || continue | |
| 38 | ||
| 39 | if [ "$(red_db_get ${zone} active)" = "1" ]; then | |
| 40 | gateway=$(red_db_get ${zone} remote-ip-address) | |
| 41 | weight=$(red_db_get ${zone} weight) | |
| 42 | ||
| 43 | routes="${routes} nexthop via ${gateway}" | |
| 44 | ||
| 45 | if [ -n "${weight}" ]; then | |
| 46 | routes="${routes} weight ${weight}" | |
| 47 | fi | |
| 48 | else | |
| 49 | log DEBUG "Ignoring zone '${zone}' which is not active." | |
| 50 | fi | |
| 51 | done | |
| 52 | ||
| 53 | if [ -z "${routes}" ]; then | |
| 54 | if routing_has_default; then | |
| 55 | ip route del default | |
| 56 | fi | |
| 57 | return ${EXIT_OK} | |
| 58 | fi | |
| 59 | ||
| 60 | ip route replace default ${routes} | |
| 61 | } | |
| 62 | ||
| 63 | function routing_table_exists() { | |
| 64 | local zone=${1} | |
| 65 | ||
| 66 | grep -q "${zone}$" < /etc/iproute2/rt_tables | |
| 67 | } | |
| 68 | ||
| 69 | function routing_table_create() { | |
| 70 | local zone=${1} | |
| 71 | ||
| 72 | if ! zone_is_nonlocal ${zone}; then | |
| 73 | error_log "Can only create routing tables for non-local zones." | |
| 74 | return ${EXIT_ERROR} | |
| 75 | fi | |
| 76 | ||
| 77 | if routing_table_exists ${zone}; then | |
| 78 | return ${EXIT_OK} | |
| 79 | fi | |
| 80 | ||
| 81 | log INFO "Creating routing table for zone '${zone}'" | |
| 82 | ||
| 83 | local id=$(( ${zone#red} + 1 )) | |
| 84 | ||
| 85 | echo "${id} ${zone}" >> /etc/iproute2/rt_tables | |
| 86 | } | |
| 87 | ||
| 88 | function routing_table_remove() { | |
| 89 | : # XXX do we need this? | |
| 90 | } |