From: "Jason A. Donenfeld" <Jason@zx2c4.com>
To: Joe Doss <joe@solidadmin.com>
Cc: WireGuard mailing list <wireguard@lists.zx2c4.com>
Subject: Re: Fixing wg-quick's DNS= directive with a hatchet
Date: Fri, 27 Oct 2017 19:52:29 +0200 [thread overview]
Message-ID: <CAHmME9p0=E983dHJ=ziowqz=XCWLB3QK9SC3dQWeK3+ky2oX8g@mail.gmail.com> (raw)
In-Reply-To: <CAHmME9pn977yhsu-rVdR-Mz+ZnsrUaxjQYxc2SveYL9zKNXB4w@mail.gmail.com>
[-- Attachment #1: Type: text/plain, Size: 244 bytes --]
Okay, so, in the rpm spec, you can patch wg-quick.bash before the make install.
sed -n -i -e '/^cmd_usage()/r path/to/hatchet.bash' -e 1x -e
'2,${x;p}' -e '${x;p}' path/to/src/tools/wg-quick.bash
This is using the attached hatchet.bash file.
[-- Attachment #2: hatchet.bash --]
[-- Type: application/octet-stream, Size: 1139 bytes --]
set_dns() {
[[ ${#DNS[@]} -gt 0 ]] || return 0
if [[ $(resolvconf --version 2>/dev/null) == openresolv\ * ]]; then
printf 'nameserver %s\n' "${DNS[@]}" | cmd resolvconf -a "$INTERFACE" -m 0 -x
else
echo "[#] mount \`${DNS[*]}' /etc/resolv.conf" >&2
[[ -e /etc/resolv.conf ]] || touch /etc/resolv.conf
{ cat <<-_EOF
# This file was generated by wg-quick(8) for use with
# the WireGuard interface $INTERFACE. It cannot be
# removed or altered directly. You may remove this file
# by running \`wg-quick down $INTERFACE', or if that
# poses problems, run \`umount /etc/resolv.conf'.
_EOF
printf 'nameserver %s\n' "${DNS[@]}"
} | unshare -m --propagation shared bash -c "$(cat <<-_EOF
set -e
mount --make-private /dev/shm
mount -t tmpfs none /dev/shm
cat > /dev/shm/resolv.conf
mount -o remount,ro /dev/shm
mount -o bind,ro /dev/shm/resolv.conf /etc/resolv.conf
_EOF
)"
fi
HAVE_SET_DNS=1
}
unset_dns() {
[[ ${#DNS[@]} -gt 0 ]] || return 0
if [[ $(resolvconf --version 2>/dev/null) == openresolv\ * ]]; then
cmd resolvconf -d "$INTERFACE"
else
cmd umount /etc/resolv.conf
fi
}
next prev parent reply other threads:[~2017-10-27 17:50 UTC|newest]
Thread overview: 40+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-10-25 22:43 Jason A. Donenfeld
2017-10-25 23:37 ` Kalin KOZHUHAROV
2017-10-26 0:55 ` Jason A. Donenfeld
2017-10-26 1:32 ` [PATCH] wg-quick: use bind mount for DNS when no openresolv Jason A. Donenfeld
2017-10-26 1:53 ` Kalin KOZHUHAROV
2017-10-26 1:54 ` Jason A. Donenfeld
2017-10-26 13:41 ` [PATCH v2] " Jason A. Donenfeld
2017-10-26 2:54 ` Fixing wg-quick's DNS= directive with a hatchet Eric Light
2017-10-26 3:21 ` Jason A. Donenfeld
2017-10-26 13:11 ` Jason A. Donenfeld
2017-10-26 16:56 ` Joe Doss
2017-10-26 17:24 ` Jason A. Donenfeld
2017-10-26 21:22 ` Jason A. Donenfeld
2017-10-27 10:07 ` Martin Hauke
2017-10-27 13:22 ` Jason A. Donenfeld
2017-10-27 14:47 ` Joe Doss
2017-10-27 14:51 ` Jason A. Donenfeld
2017-10-27 15:02 ` Jason A. Donenfeld
2017-10-27 15:38 ` Joe Doss
2017-10-27 22:04 ` Bruno Wolff III
2017-10-27 15:38 ` Joe Doss
2017-10-27 17:15 ` Jason A. Donenfeld
2017-10-27 17:52 ` Jason A. Donenfeld [this message]
2017-10-27 22:06 ` Daniel Kahn Gillmor
2017-10-28 2:24 ` Jason A. Donenfeld
2017-10-28 2:39 ` Jason A. Donenfeld
2017-10-28 14:35 ` Daniel Kahn Gillmor
2017-10-28 17:57 ` Jason A. Donenfeld
2017-10-29 12:21 ` Geo Kozey
2017-10-29 17:07 ` Jason A. Donenfeld
2017-10-30 11:58 ` Daniel Kahn Gillmor
2017-10-30 12:10 ` Daniel Kahn Gillmor
2017-10-29 22:06 ` Jason A. Donenfeld
2017-10-30 12:16 ` Daniel Kahn Gillmor
2017-10-31 10:49 ` Jason A. Donenfeld
2017-10-26 19:58 Geo Kozey
2017-10-26 21:11 ` Jason A. Donenfeld
2017-10-26 22:01 ` Geo Kozey
2017-10-26 22:19 ` Jason A. Donenfeld
2017-10-26 22:52 ` Geo Kozey
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to='CAHmME9p0=E983dHJ=ziowqz=XCWLB3QK9SC3dQWeK3+ky2oX8g@mail.gmail.com' \
--to=jason@zx2c4.com \
--cc=joe@solidadmin.com \
--cc=wireguard@lists.zx2c4.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).