71 lines
1.8 KiB
Plaintext
71 lines
1.8 KiB
Plaintext
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#! /bin/sh
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#
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# Miredo client hook script for Linux/iproute2
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# Copyright © 2007 Rémi Denis-Courmont.
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# Distributed under the terms of the GNU General Public License version 2.
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# Linux iproute2 path:
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IP="/usr/sbin/ip"
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# Linux default route default metric is 1024
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# (we put 1029 so that Teredo is used as a last resort):
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METRIC=1029
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# Linux routing table ID
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# (possible values: 1-252 from /etc/iproute/rt_tables):
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TABLE="teredo"
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# Linux routing rule priority
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# (possible values: 1-32765, lowest number is highest priority):
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PRIO=32765
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# MTU for the tunnel interface
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# (default: specified by the Teredo server, or 1280)
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#MTU=1400
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if ! test -x "$IP"; then
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echo "$0: iproute2 is required! Please install it." >&2
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exit 1
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fi
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# Nothing to do with destroy event
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if test "$STATE" = "destroy"; then exit 0; fi
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# If the source routing table is not configured, ignore it.
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if ! "$IP" route show table "$TABLE" >/dev/null 2>&1; then
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unset TABLE
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else
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if test "$OLD_ADDRESS"; then
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"$IP" -6 rule del from "$OLD_ADDRESS" \
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prio "$PRIO" table "$TABLE" 2>/dev/null
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fi
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"$IP" -6 route flush table "$TABLE" 2>/dev/null
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fi
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"$IP" -6 route flush dev "$IFACE" 2>/dev/null
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"$IP" -6 address flush dev "$IFACE" 2>/dev/null
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"$IP" -6 link set dev "$IFACE" "$STATE"
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if test "$MTU"; then
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"$IP" link set dev "$IFACE" mtu "$MTU"
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fi
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case "$STATE" in
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up)
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"$IP" -6 address add "${LLADDRESS}/64" dev "$IFACE"
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"$IP" -6 address add "${ADDRESS}/32" dev "$IFACE"
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"$IP" -6 route add default dev "$IFACE" metric "$METRIC"
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if test "$TABLE"; then
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"$IP" -6 route add default dev "$IFACE" table "$TABLE"
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"$IP" -6 rule add from "$ADDRESS" \
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prio "$PRIO" table "$TABLE"
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fi
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esac
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# This should be required when changing policy routing rules, but it
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# seems to confuse certain kernels into removing our default route!
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#"$IP" -6 route flush cache 2>/dev/null
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exit 0
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