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" 166