1#!/bin/sh
2#
3# Copyright (c) 1993 - 2004 The FreeBSD Project. All rights reserved.
4#
5# Redistribution and use in source and binary forms, with or without
6# modification, are permitted provided that the following conditions
7# are met:
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.
13#
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
24# SUCH DAMAGE.
25#
26# $FreeBSD$
27#
28
29# PROVIDE: nsswitch
30# REQUIRE: root
31# BEFORE:  NETWORK
32
33. /etc/rc.subr
34
35name="nsswitch"
36desc="Name-service switch"
37start_cmd="nsswitch_start"
38stop_cmd=":"
39
40generate_host_conf()
41{
42    local _cont _sources
43
44    nsswitch_conf=$1; shift;
45    host_conf=$1; shift;
46
47    _cont=0
48    _sources=""
49    while read line; do
50	line=${line##[ 	]}
51	case $line in
52	hosts:*)
53		;;
54	*)
55		if [ $_cont -ne 1 ]; then
56			continue
57		fi
58		;;
59	esac
60	if [ "${line%\\}" = "${line}\\" ]; then
61		_cont=1
62	fi
63	line=${line#hosts:}
64	line=${line%\\}
65	line=${line%%#*}
66	_sources="${_sources}${_sources:+ }$line"
67    done < $nsswitch_conf
68
69    echo "# Auto-generated from nsswitch.conf" > $host_conf
70    for _s in ${_sources}; do
71	case $_s in
72	files)
73		echo "hosts" >> $host_conf
74		;;
75	dns)
76		echo "dns" >> $host_conf
77		;;
78	nis)
79		echo "nis" >> $host_conf
80		;;
81	cache | *=*)
82		;;
83	*)
84		echo "Warning: unrecognized source [$_s]" >&2
85		;;
86	esac
87    done
88}
89
90nsswitch_start()
91{
92	# Generate host.conf for compatibility
93	#
94	if [ ! -f "/etc/host.conf" -o \
95		"/etc/host.conf" -ot "/etc/nsswitch.conf" ]
96	then
97		echo 'Generating host.conf.'
98		generate_host_conf /etc/nsswitch.conf /etc/host.conf
99	fi
100
101}
102
103load_rc_config $name
104run_rc_command "$1"
105