Merge branch 'master' of ssh://crater.dragonflybsd.org/repository/git/dragonfly
[dragonfly.git] / etc / rc.d / nsswitch
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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: src/etc/rc.d/nsswitch,v 1.10 2006/05/01 11:02:48 des Exp $
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
39convert_host_conf()
40{
41 host_conf=$1; shift;
42 nsswitch_conf=$1; shift;
43
44 while read line; do
45 line=${line##[ ]}
46 case $line in
47 hosts|local|file)
48 _nsswitch="${_nsswitch}${_nsswitch+ }files"
49 ;;
50 dns|bind)
51 _nsswitch="${_nsswitch}${_nsswitch+ }dns"
52 ;;
53 nis)
54 _nsswitch="${_nsswitch}${_nsswitch+ }nis"
55 ;;
56 '#'*)
57 ;;
58 *)
59 printf "Warning: unrecognized line [%s]", $line > "/dev/stderr"
60 ;;
61
62 esac
63 done < $host_conf
64
65 echo "hosts: $_nsswitch" > $nsswitch_conf
66}
67
68generate_nsswitch_conf()
69{
70 nsswitch_conf=$1; shift;
71
72 cat >$nsswitch_conf <<EOF
73group: compat
74group_compat: nis
75hosts: files dns
76networks: files
77passwd: compat
78passwd_compat: nis
79shells: files
80services: compat
81services_compat: nis
82protocols: files
83rpc: files
84EOF
85}
86
87generate_host_conf()
88{
89 nsswitch_conf=$1; shift;
90 host_conf=$1; shift;
91
92 _cont=0
93 _sources=""
94 while read line; do
95 line=${line##[ ]}
96 case $line in
97 hosts:*)
98 ;;
99 *)
100 if [ $_cont -ne 1 ]; then
101 continue
102 fi
103 ;;
104 esac
105 if [ "${line%\\}" = "${line}\\" ]; then
106 _cont=1
107 fi
108 line=${line#hosts:}
109 line=${line%\\}
110 line=${line%%#*}
111 _sources="${_sources}${_sources:+ }$line"
112 done < $nsswitch_conf
113
114 echo "# Auto-generated from nsswitch.conf" > $host_conf
115 for _s in ${_sources}; do
116 case $_s in
117 files)
118 echo "hosts" >> $host_conf
119 ;;
120 dns)
121 echo "dns" >> $host_conf
122 ;;
123 nis)
124 echo "nis" >> $host_conf
125 ;;
126 *=*)
127 ;;
128 *)
129 printf "Warning: unrecognized source [%s]", $_s > "/dev/stderr"
130 ;;
131 esac
132 done
133}
134
135nsswitch_start()
136{
137 # Convert host.conf to nsswitch.conf if necessary
138 #
139 if [ -f "/etc/host.conf" -a ! -f "/etc/nsswitch.conf" ]; then
140 echo ''
141 echo 'Warning: /etc/host.conf is no longer used'
142 echo ' /etc/nsswitch.conf will be created for you'
143 convert_host_conf /etc/host.conf /etc/nsswitch.conf
144 fi
145
146 # Generate default nsswitch.conf if none exists
147 #
148 if [ ! -f "/etc/nsswitch.conf" ]; then
149 echo 'Generating nsswitch.conf.'
150 generate_nsswitch_conf /etc/nsswitch.conf
151 fi
152
153 # Generate host.conf for compatibility
154 #
155 if [ ! -f "/etc/host.conf" -o \
156 "/etc/host.conf" -ot "/etc/nsswitch.conf" ]
157 then
158 echo 'Generating host.conf.'
159 generate_host_conf /etc/nsswitch.conf /etc/host.conf
160 fi
161
162}
163
164load_rc_config $name
165run_rc_command "$1"