nsswitch revision 158266 
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: head/etc/rc.d/nsswitch 158266 2006-05-03 15:14:47Z ume $
27#
28
29# PROVIDE: nsswitch
30# REQUIRE: root
31# BEFORE:  NETWORK
32
33. /etc/rc.subr
34
35name="nsswitch"
36start_cmd="nsswitch_start"
37stop_cmd=":"
38
39generate_host_conf()
40{
41    nsswitch_conf=$1; shift;
42    host_conf=$1; shift;
43
44    _cont=0
45    _sources=""
46    while read line; do
47	line=${line##[ 	]}
48	case $line in
49	hosts:*)
50		;;
51	*)
52		if [ $_cont -ne 1 ]; then
53			continue
54		fi
55		;;
56	esac
57	if [ "${line%\\}" = "${line}\\" ]; then
58		_cont=1
59	fi
60	line=${line#hosts:}
61	line=${line%\\}
62	line=${line%%#*}
63	_sources="${_sources}${_sources:+ }$line"
64    done < $nsswitch_conf
65
66    echo "# Auto-generated from nsswitch.conf" > $host_conf
67    for _s in ${_sources}; do
68	case $_s in
69	files)
70		echo "hosts" >> $host_conf
71		;;
72	dns)
73		echo "dns" >> $host_conf
74		;;
75	nis)
76		echo "nis" >> $host_conf
77		;;
78	*=*)
79		;;
80	*)
81		printf "Warning: unrecognized source [%s]", $_s > "/dev/stderr"
82		;;
83	esac
84    done
85}
86
87nsswitch_start()
88{
89	# Generate host.conf for compatibility
90	#
91	if [ ! -f "/etc/host.conf" -o \
92		"/etc/host.conf" -ot "/etc/nsswitch.conf" ]
93	then
94		echo 'Generating host.conf.'
95		generate_host_conf /etc/nsswitch.conf /etc/host.conf
96	fi
97
98}
99
100load_rc_config $name
101run_rc_command "$1"
102