mirror of
https://github.com/freebsd/freebsd-src.git
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Siva Mahadevan
cb0e3a5fba
Reviewed by: pfg Approved by: lwhsu (mentor) Differential Revision: https://reviews.freebsd.org/D56269
97 lines
3.1 KiB
Bash
97 lines
3.1 KiB
Bash
#!/bin/sh
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# Copyright (c) 2025 Roy Marples
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# All rights reserved
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# systemd-resolved subscriber for resolvconf
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions
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# are met:
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# * Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# * Redistributions in binary form must reproduce the above
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# copyright notice, this list of conditions and the following
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# disclaimer in the documentation and/or other materials provided
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# with the distribution.
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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[ -f "@SYSCONFDIR@"/resolvconf.conf ] || exit 0
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. "@SYSCONFDIR@/resolvconf.conf" || exit 1
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case "${systemd_resolved:-NO}" in
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[Yy][Ee][Ss]|[Tt][Rr][Uu][Ee]|[Oo][Nn]|1) ;;
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*) exit 0;;
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esac
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[ -n "$RESOLVCONF" ] || eval "$(@SBINDIR@/resolvconf -v)"
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NL="
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"
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: ${systemd_resolved_conf:=/run/systemd/resolved.conf.d/60-resolvconf.conf}
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: ${systemd_delegate_dir:=/run/systemd/dns-delegate.d}
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# Try to ensure that config dirs exist
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if command -v config_mkdirs >/dev/null 2>&1; then
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config_mkdirs "$systemd_resolved_conf" "$systemd_delegate_dir/x"
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else
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@SBINDIR@/resolvconf -D "$systemd_resolved_conf" "$systemd_delegate_dir/x"
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fi
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header="# Generated by resolvconf$NL"
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header="${header}$NL"
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header="${header}[Resolve]$NL"
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conf="$header"
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# We emit blank values to force them to reset on SIGHUP
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conf="${conf}DNS=$NAMESERVERS$NL"
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# Indicate these nameservers are for all domain lookups by using ~.
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conf="${conf}Domains=$SEARCH${NAMESERVERS:+ ~.}$NL"
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printf %s "$conf" >"$systemd_resolved_conf"
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# DNS Delegates requires https://github.com/systemd/systemd/pull/34368
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rm -f "$systemd_delegate_dir/resolvconf-"*".dns-delegate"
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header="# Generated by resolvconf$NL"
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header="${header}$NL"
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header="${header}[Delegate]$NL"
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for d in $DOMAINS; do
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dn="${d%%:*}"
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ns="${d#*:}"
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dconf="${header}Domains="
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search=false
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for sd in $SEARCH; do
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if [ "$sd" = "$dn" ]; then
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search=true
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break
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fi
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done
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if ! $search; then
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dconf="${dconf}~"
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fi
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dconf="${dconf}$dn$NL"
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dconf="${dconf}DNS="
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while [ -n "$ns" ]; do
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dconf="$dconf${ns%%,*} "
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[ "$ns" = "${ns#*,}" ] && break
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ns="${ns#*,}"
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done
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dconf="$dconf$NL"
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printf %s "$dconf" >"$systemd_delegate_dir/resolvconf-$dn.dns-delegate"
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done
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pid=$(pidof systemd-resolved)
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if [ -n "$pid" ]; then
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kill -HUP $pid
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fi
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