[1108] | 1 | #!/bin/bash |
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| 2 | # Copyright (C) 1996-2006 Red Hat, Inc. all rights reserved. |
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| 3 | # |
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| 4 | # This program is free software; you can redistribute it and/or modify |
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| 5 | # it under the terms of the GNU General Public License, version 2, |
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| 6 | # as published by the Free Software Foundation. |
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| 7 | # |
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| 8 | # This program is distributed in the hope that it will be useful, |
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| 9 | # but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 10 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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| 11 | # GNU General Public License for more details. |
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| 12 | # |
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| 13 | # You should have received a copy of the GNU General Public License |
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| 14 | # along with this program; if not, write to the Free Software |
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| 15 | # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA |
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| 16 | |
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| 17 | # Thanks to: |
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| 18 | # - Razvan Corneliu C.R. Vilt <razvan.vilt@linux360.ro> |
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| 19 | # - Aaron Hope <aaron.hope@unh.edu> |
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| 20 | # - Sean Millichamp <sean@enertronllc.com> |
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| 21 | # for providing the scripts this one is based on |
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| 22 | |
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| 23 | . /etc/init.d/functions |
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| 24 | |
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| 25 | cd /etc/sysconfig/network-scripts |
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[2573] | 26 | . /etc/sysconfig/network-scripts/network-functions |
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[1108] | 27 | |
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| 28 | CONFIG=$1 |
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| 29 | need_config "$CONFIG" |
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| 30 | source_config |
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| 31 | |
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| 32 | if [ "$PEER_OUTER_IPADDR" = "$PEER_INNER_IPADDR" ]; then |
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| 33 | # Specifying PEER_INNER_IPADDR would automatically add a route to the peer |
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| 34 | # through the tunnel, redirecting tunnel packets back to the tunnel and |
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| 35 | # creating a dead loop. |
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| 36 | unset PEER_INNER_IPADDR |
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| 37 | fi |
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| 38 | |
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| 39 | case "$TYPE" in |
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| 40 | GRE) |
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| 41 | MODE=gre |
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| 42 | /sbin/modprobe ip_gre |
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| 43 | ;; |
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| 44 | IPIP) |
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| 45 | MODE=ipip |
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| 46 | /sbin/modprobe ipip |
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| 47 | ;; |
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| 48 | *) |
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| 49 | echo $"Invalid tunnel type $TYPE" |
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| 50 | exit 1 |
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| 51 | ;; |
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| 52 | esac |
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| 53 | |
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| 54 | # Generic tunnel devices are not supported here |
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| 55 | if [ "$DEVICE" = gre0 -o "$DEVICE" = tunl0 ]; then |
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| 56 | echo $"Device '$DEVICE' isn't supported as a valid GRE device name." |
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| 57 | exit 1 |
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| 58 | fi |
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| 59 | |
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| 60 | # Create the tunnel |
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| 61 | # The outer addresses are those of the underlying (public) network. |
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| 62 | /sbin/ip tunnel add "$DEVICE" mode "$MODE" \ |
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| 63 | ${MY_OUTER_IPADDR:+local "$MY_OUTER_IPADDR"} \ |
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| 64 | remote "$PEER_OUTER_IPADDR" ${TTL:+ttl "$TTL"} |
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| 65 | |
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| 66 | if [ -n "$MTU" ]; then |
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| 67 | /sbin/ip link set "$DEVICE" mtu "$MTU" |
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| 68 | fi |
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| 69 | |
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| 70 | # The inner address are used mainly for communication between a gateway |
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| 71 | # and a private network. When the peer is configured with an inner address |
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| 72 | # contained in the peer's private network or identical to it's public address, |
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| 73 | # it need not be specified. |
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| 74 | /sbin/ip addr add "$MY_INNER_IPADDR" dev "$DEVICE" \ |
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| 75 | ${PEER_INNER_IPADDR:+peer "$PEER_INNER_IPADDR"} |
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| 76 | |
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| 77 | /sbin/ip link set dev "$DEVICE" up |
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| 78 | |
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| 79 | exec /etc/sysconfig/network-scripts/ifup-post "$CONFIG" "$2" |
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