nsswitch revision 213202 
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 213202 2010-09-27 15:55:39Z imp $
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    local _cont _sources
42
43    nsswitch_conf=$1; shift;
44    host_conf=$1; shift;
45
46    _cont=0
47    _sources=""
48    while read line; do
49	line=${line##[ 	]}
50	case $line in
51	hosts:*)
52		;;
53	*)
54		if [ $_cont -ne 1 ]; then
55			continue
56		fi
57		;;
58	esac
59	if [ "${line%\\}" = "${line}\\" ]; then
60		_cont=1
61	fi
62	line=${line#hosts:}
63	line=${line%\\}
64	line=${line%%#*}
65	_sources="${_sources}${_sources:+ }$line"
66    done < $nsswitch_conf
67
68    echo "# Auto-generated from nsswitch.conf" > $host_conf
69    for _s in ${_sources}; do
70	case $_s in
71	files)
72		echo "hosts" >> $host_conf
73		;;
74	dns)
75		echo "dns" >> $host_conf
76		;;
77	nis)
78		echo "nis" >> $host_conf
79		;;
80	cache | *=*)
81		;;
82	*)
83		echo "Warning: unrecognized source [$_s]" >&2
84		;;
85	esac
86    done
87}
88
89nsswitch_start()
90{
91	# Generate host.conf for compatibility
92	#
93	if [ ! -f "/etc/host.conf" -o \
94		"/etc/host.conf" -ot "/etc/nsswitch.conf" ]
95	then
96		echo 'Generating host.conf.'
97		generate_host_conf /etc/nsswitch.conf /etc/host.conf
98	fi
99
100}
101
102load_rc_config $name
103run_rc_command "$1"
104