mirror of
https://github.com/oxen-io/lokinet.git
synced 2024-11-15 12:13:24 +00:00
54 lines
1.4 KiB
Bash
Executable File
54 lines
1.4 KiB
Bash
Executable File
#!/bin/bash
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# Script to invoke resolvconf (if installed) to add/remove lokinet into/from the resolvconf DNS
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# server list. This script does not add if any of these are true:
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#
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# - /sbin/resolvconf does not exist
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# - the systemd-resolved service is active
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# - the `bind=` entry in the [dns] section of lokinet.ini is commented out
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# - a `no-resolvconf=1` item is present in the [dns] section of lokinet.ini
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#
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# It always attempts to remove if resolvconf is installed (so that commenting out while running,
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# then stopping still removes the added entry).
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#
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# Usage: lokinet-resolvconf {add|remove} /etc/loki/lokinet.ini
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set -e
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action="$1"
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conf="$2"
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if [[ ! ("$action" == "add" || "$action" == "remove") || ! -f "$conf" ]]; then
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echo "Usage: $0 {add|remove} /path/to/lokinet.ini" >&2
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exit 1
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fi
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if ! [ -x /sbin/resolvconf ]; then
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exit 0
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fi
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if [ -x /bin/systemctl ] && /bin/systemctl --quiet is-active systemd-resolved.service; then
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exit 0
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fi
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if [ "$action" == "add" ]; then
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if ! [ -x /sbin/resolvconf ]; then exit 0; fi
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lokinet_ns=$(perl -e 'while (<>) {
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if ((/^\[dns\]/ ... /^\[/)) {
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if (/^bind\s*=\s*(127.*):53\s*$/) {
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$ns=$1;
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} elsif (/^no-resolvconf\s*=\s*1\s*/) {
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exit;
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}
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}
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}
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print $ns' "$conf")
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if [ -n "$lokinet_ns" ]; then
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echo "nameserver $lokinet_ns" | /sbin/resolvconf -a lo.000lokinet
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fi
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else
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/sbin/resolvconf -d lo.000lokinet
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fi
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