Merge branch 'vendor/FILE'
[dragonfly.git] / etc / rc.d / nsswitch
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
35 name="nsswitch"
36 start_cmd="nsswitch_start"
37 stop_cmd=":"
38
39 convert_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
68 generate_nsswitch_conf()
69 {
70     nsswitch_conf=$1; shift;
71
72     cat >$nsswitch_conf <<EOF
73 group: compat
74 group_compat: nis
75 hosts: files dns
76 networks: files
77 passwd: compat
78 passwd_compat: nis
79 shells: files
80 services: compat
81 services_compat: nis
82 protocols: files
83 rpc: files
84 EOF
85 }
86
87 generate_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
135 nsswitch_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
164 load_rc_config $name
165 run_rc_command "$1"