This file is indexed.

/usr/share/tcos/hooks-addons/16dbus-avahi is in initramfs-tools-tcos 0.89.93ubuntu2.

This file is owned by root:root, with mode 0o644.

The actual contents of the file can be viewed below.

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# hook to include DBus/avahi
# need dbus,dbus-x11,avahi-daemon packages

if [ -n "$TCOS_DBUS" ]; then
    stat_before

    mkdir -p $DESTDIR/usr/lib/dbus-1.0
    mkdir -p $DESTDIR/etc/dbus-1/system.d
    mkdir -p $DESTDIR/etc/dbus-1/session.d

    cpifexists $(which dbus-daemon)      /usr/bin/
    cpifexists $(which dbus-uuidgen)     /usr/bin/
    cpifexists /usr/bin/dbus-launch      /usr/bin/

    cpifexists /etc/dbus-1/system.conf   /etc/dbus-1/
    cpifexists /etc/dbus-1/session.conf  /etc/dbus-1/

    if [ -f /etc/dbus-1/system.d/pulseaudio-system.conf ]; then
      cpifexists /etc/dbus-1/system.d/pulseaudio-system.conf /etc/dbus-1/system.d/
    fi

    cat << EOF >> $DESTDIR/etc/passwd
messagebus:x:104:107::/var/run/dbus:/bin/false
avahi:x:106:113:Avahi mDNS daemon,,,:/var/run/avahi-daemon:/bin/false
EOF

    cat << EOF >> $DESTDIR/etc/shadow
messagebus:*:14994:0:99999:7:::
avahi:*:14994:0:99999:7:::
EOF

    cat << EOF >> $DESTDIR/etc/group
messagebus:x:107:
netdev:x:111:
avahi:x:113:
EOF

    cat << EOF > $DESTDIR/scripts/tcos-bottom/15dbus-avahi
#!/bin/sh
if [ "\$1" = "prereqs" ]; then
  exit 0
fi

mkdir -p /var/run/dbus /var/lib/dbus

mkdir -p /var/run/avahi-daemon
chown avahi:avahi /var/run/avahi-daemon
chmod 755 /var/run/avahi-daemon
chown messagebus:messagebus /var/lib/dbus /var/run/dbus

dbus-uuidgen > /var/lib/dbus/machine-id

start-stop-daemon --start --quiet --pidfile /var/run/dbus/dbus.pid \
    --user messagebus --exec /usr/bin/dbus-daemon -- --system

[ -x /usr/sbin/avahi-daemon ] && avahi-daemon --no-drop-root -D

EOF

    chmod +x $DESTDIR/scripts/tcos-bottom/15dbus-avahi

    stat_after "DBus-Avahi"
fi # end of TCOS_DBUS

###############################################################################

if [ -n "$TCOS_AVAHI" ]; then

    # avahi-utils avahi-daemon
    cpifexists /usr/sbin/avahi-daemon /usr/bin/
    mkdir -p $DESTDIR/var/run/avahi-daemon
    mkdir -p $DESTDIR/etc/avahi/services
    cpifexists /etc/avahi/avahi-daemon.conf /etc/avahi
    cat << EOF > $DESTDIR/etc/nsswitch.conf
    passwd:         compat
    group:          compat
    shadow:         compat
    hosts:          files mdns4_minimal [NOTFOUND=return] dns mdns4
    networks:       files
    protocols:      db files
    services:       db files
    ethers:         db files
    rpc:            db files
    netgroup:       nis
    EOF

    cpifexists /etc/dbus-1/system.d/avahi-dbus.conf /etc/dbus-1/system.d/

cat << EOF > $DESTDIR/etc/avahi/services/tcos.service
<?xml version="1.0" standalone='no'?><!--*-nxml-*-->
<!DOCTYPE service-group SYSTEM "avahi-service.dtd">

<service-group>
  <name replace-wildcards="yes">tcos-%h</name>
  <service>
    <type>_workstation._tcp</type>
  </service>

  <service>
    <type>_http._tcp</type>
    <port>8998</port>
  </service>
</service-group>
EOF

stat_after "Avahi"

fi # end of TCOS_AVAHI