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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 # $FreeBSD$
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 generate_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
87 nsswitch_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
100 load_rc_config $name
101 run_rc_command "$1"