3 # Copyright (c) 2003 The FreeBSD Project. All rights reserved.
5 # Redistribution and use in source and binary forms, with or without
6 # modification, are permitted provided that the following conditions
8 # 1. Redistributions of source code must retain the above copyright
9 # notice, this list of conditions and the following disclaimer.
10 # 2. Redistributions in binary form must reproduce the above copyright
11 # notice, this list of conditions and the following disclaimer in the
12 # documentation and/or other materials provided with the distribution.
14 # THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
15 # ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 # ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
18 # FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 # DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 # OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 # HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 # LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 # OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30 # REQUIRE: FILESYSTEMS
37 start_cmd="hostname_start"
42 # If we are not inside a jail, set the host name if it is not already set.
43 # If we are inside a jail, set the host name even if it is already set,
44 # but first check if it is permitted.
46 if [ `$SYSCTL_N security.jail.jailed` -eq 1 ]; then
47 if [ `$SYSCTL_N security.jail.set_hostname_allowed` -eq 0 ]; then
50 elif [ -n "`/bin/hostname -s`" ]; then
53 # If we're not in a jail and rc.conf doesn't specify a
54 # hostname, see if we can get one from kenv.
56 if [ -z "${hostname}" -a \
57 -n "`/bin/kenv dhcp.host-name 2> /dev/null`" ]; then
58 hostname=`/bin/kenv dhcp.host-name`
62 # Have we got a hostname yet?
64 if [ -z "${hostname}" ]; then
65 # Null hostname is probably OK if DHCP is in use.
67 if [ -z "`list_net_interfaces dhcp`" ]; then
68 warn "\$hostname is not set -- see rc.conf(5)."
73 # All right, it is safe to invoke hostname(1) now.
75 check_startmsgs && echo -n "Setting hostname: ${hostname}"
76 /bin/hostname "${hostname}"
77 check_startmsgs && echo '.'