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37 lines
1016 B
37 lines
1016 B
#!/bin/sh
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# ubus monitor to trace dns backend events and conditionally restart adblock
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# Copyright (c) 2015-2020 Dirk Brenken (dev@brenken.org)
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# This is free software, licensed under the GNU General Public License v3.
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LC_ALL=C
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PATH="/usr/sbin:/usr/bin:/sbin:/bin"
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if [ -r "/lib/functions.sh" ]
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then
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. "/lib/functions.sh"
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adb_dns="$(uci_get adblock global adb_dns)"
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fi
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adb_ver="${1}"
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adb_ubus="$(command -v ubus)"
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adb_logger="$(command -v logger)"
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f_log()
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{
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local class="${1}" log_msg="${2}"
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if [ -x "${adb_logger}" ]
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then
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"${adb_logger}" -p "${class}" -t "adblock-${adb_ver}[${$}]" "${log_msg}"
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else
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printf "%s %s %s\\n" "${class}" "adblock-${adb_ver}[${$}]" "${log_msg}"
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fi
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}
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if [ -x "${adb_ubus}" ] && [ -n "${adb_dns}" ]
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then
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f_log "info" "ubus/adblock monitor started"
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"${adb_ubus}" -S -M r -m invoke monitor | \
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{ grep -qE "\"method\":\"(set|signal)\",\"data\":\{\"name\":\"${adb_dns}\""; [ $? -eq 0 ] && /etc/init.d/adblock start; }
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else
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f_log "err" "can't start ubus/adblock monitor"
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fi
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