66 lines
2.0 KiB
Bash
66 lines
2.0 KiB
Bash
#!/bin/sh
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#
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# Copyright 2019, Digi International Inc.
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#
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# This Source Code Form is subject to the terms of the Mozilla Public
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# License, v. 2.0. If a copy of the MPL was not distributed with this
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# file, you can obtain one at http://mozilla.org/MPL/2.0/.
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#
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# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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# OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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#
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# Description: create P2P (BATMAN) bridge
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#
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# This script is specific to create a P2P (BATMAN) bridge, so
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# require the CONNECTION_ID to be "p2p-bridge"
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[ "${CONNECTION_ID}" = "p2p-bridge" ] || exit 0
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log() {
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systemd-cat -p "${1}" -t p2pbridge printf "%s" "${2}"
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}
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case "${NM_DISPATCHER_ACTION}" in
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pre-up)
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# Reset virtual interfaces
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{ batctl if destroy; ifdown -f p2p0; } >/dev/null 2>&1
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# Bring P2P link up
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log info "bring P2P link UP"
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ifup p2p0 || { log err "p2p link NOT created"; exit 1; }
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for P2P_IFNAME in $(basename $(echo /sys/class/net/p2p-p2p0-*)); do
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echo "${P2P_IFNAME}" | grep -qs 'p2p-p2p0-\*' && continue
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ifconfig "${P2P_IFNAME}" 0.0.0.0
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p2p_iface_found="1"
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break
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done
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[ -z "${p2p_iface_found}" ] && { log err "p2p interface NOT found"; exit 1; }
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# Bring P2P bridge up
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log info "bring P2P bridge up"
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batctl if add "${P2P_IFNAME}"
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ifconfig eth0 0.0.0.0 up
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ifconfig bat0 0.0.0.0 up
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brctl addif "${DEVICE_IP_IFACE}" bat0
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brctl addif "${DEVICE_IP_IFACE}" eth0
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log info "P2P bridge created"
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;;
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down)
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log info "bring P2P bridge DOWN"
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brctl delif "${DEVICE_IP_IFACE}" bat0
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brctl delif "${DEVICE_IP_IFACE}" eth0
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batctl if destroy
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log info "bring P2P link DOWN"
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ifdown -f p2p0 || { log err "unable to bring P2P link DOWN"; exit 1; }
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;;
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*)
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# Do nothing
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;;
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esac
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