42 lines
1.6 KiB
Bash
42 lines
1.6 KiB
Bash
#!/bin/sh
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#
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# Copyright (C) 2019-2023, 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: disconnect/reconnect the interface that generated the
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# 'device-connectivity-change' event
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#
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log() {
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if type "systemd-cat" >/dev/null 2>/dev/null; then
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systemd-cat -p "${1}" -t ifdownup printf "%s" "${2}"
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else
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logger -p "${1}" -t ifdownup "${2}"
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fi
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}
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# $1 = file, $2 = section, $3 = parameter
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get_cfg_param() {
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sed -nr "/^\[${2}\]/ { :l /^${3}[ ]*=/ { s/[^=]*=[ ]*//; p; q;}; n; b l;}" "${1}" | tr '[:upper:]' '[:lower:]'
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}
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ifdownup=$(get_cfg_param /etc/NetworkManager/NetworkManager.conf digi-recovery ifdownup)
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[ -z "${ifdownup}" ] && ifdownup="false"
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if [ "${ifdownup}" = "true" ] || [ "${ifdownup}" = "yes" ]; then
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log info "device-connectivity-change detected on interface ${DEVICE_IP_IFACE}"
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nmcli device disconnect "${DEVICE_IP_IFACE}"
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nmcli connection up "${CONNECTION_ID}"
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fi
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