/etc/avahi/avahi-dnsconfd.action is in avahi-dnsconfd 0.6.31-4ubuntu1.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 | #!/bin/sh
# This file is part of avahi.
#
# avahi is free software; you can redistribute it and/or modify it
# under the terms of the GNU Lesser General Public License as
# published by the Free Software Foundation; either version 2 of the
# License, or (at your option) any later version.
#
# avahi is distributed in the hope that it will be useful, but WITHOUT
# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
# or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
# License for more details.
#
# You should have received a copy of the GNU Lesser General Public
# License along with avahi; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
# USA.
set -e
test "x$AVAHI_INTERFACE" != "x"
# Command line arguments:
# $1 "+" if a new DNS server was found, "-" if one was removed
# $2 DNS Server address
# $3 interface index where this server was found on
# $4 protocol number where this server was found on
# Available environment variables:
#
# $AVAHI_INTERFACE The interface name where this DNS server was found on
# $AVAHI_INTERFACE_DNS_SERVERS A whitespace seperated list of DNS servers on $AVAHI_INTERFACE
# $AVAHI_DNS_SERVERS The complete list of all DNS servers found on all interfaces
if [ -x /sbin/netconfig ]; then
# SUSE method on 11.1+
if [ -n "$AVAHI_INTERFACE_DNS_SERVERS" ]; then
/sbin/netconfig modify -s avahi -i "$AVAHI_INTERFACE" <<-EOF
INTERFACE='$AVAHI_INTERFACE'
DNSSERVERS='$AVAHI_INTERFACE_DNS_SERVERS'
EOF
else
/sbin/netconfig remove -s avahi -i "$AVAHI_INTERFACE"
fi
elif [ -x /sbin/modify_resolvconf ] ; then
# method for SUSE <= 11.0
if [ -n "$AVAHI_DNS_SERVERS" ]; then
/sbin/modify_resolvconf modify -s avahi -t - -p avahi-dnsconfd -n "$AVAHI_DNS_SERVERS" <<-EOF
if you don't like avahi to update your Nameservers
disable the avahi-dnsconfd init script
EOF
else
/sbin/modify_resolvconf restore -s avahi
fi
elif [ -x /sbin/resolvconf ] ; then
# We have Debian's resolvconf tool
if [ "x$AVAHI_INTERFACE_DNS_SERVERS" = "x" ] ; then
/sbin/resolvconf -d "$AVAHI_INTERFACE.avahi"
else
for n in $AVAHI_INTERFACE_DNS_SERVERS ; do
echo "nameserver $n"
done | /sbin/resolvconf -a "$AVAHI_INTERFACE.avahi"
fi
else
# No resolvconf tool available
if [ "x$AVAHI_DNS_SERVERS" = "x" ] ; then
test -f /etc/resolv.conf.avahi && mv /etc/resolv.conf.avahi /etc/resolv.conf
else
test -f /etc/resolv.conf.avahi || mv /etc/resolv.conf /etc/resolv.conf.avahi
for n in $AVAHI_DNS_SERVERS ; do
echo "nameserver $n"
done > /etc/resolv.conf
fi
fi
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