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: FILESYSTEMS 31# BEFORE: NETWORKING 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 \ 60 > /dev/stderr 61 ;; 62 63 esac 64 done < $host_conf 65 66 echo "hosts: $_nsswitch" > $nsswitch_conf 67} 68 69generate_nsswitch_conf() 70{ 71 nsswitch_conf=$1; shift; 72 73 cat >$nsswitch_conf <<EOF 74group: compat 75group_compat: nis 76hosts: files dns 77networks: files 78passwd: compat 79passwd_compat: nis 80shells: files 81services: compat 82services_compat: nis 83protocols: files 84rpc: files 85EOF 86} 87 88generate_host_conf() 89{ 90 nsswitch_conf=$1; shift; 91 host_conf=$1; shift; 92 93 _cont=0 94 _sources="" 95 while read line; do 96 line=${line##[ ]} 97 case $line in 98 hosts:*) 99 ;; 100 *) 101 if [ $_cont -ne 1 ]; then 102 continue 103 fi 104 ;; 105 esac 106 if [ "${line%\\}" = "${line}\\" ]; then 107 _cont=1 108 fi 109 line=${line#hosts:} 110 line=${line%\\} 111 line=${line%%#*} 112 _sources="${_sources}${_sources:+ }$line" 113 done < $nsswitch_conf 114 115 echo "# Auto-generated from nsswitch.conf" > $host_conf 116 for _s in ${_sources}; do 117 case $_s in 118 files) 119 echo "hosts" >> $host_conf 120 ;; 121 dns) 122 echo "dns" >> $host_conf 123 ;; 124 nis) 125 echo "nis" >> $host_conf 126 ;; 127 *=*) 128 ;; 129 *) 130 printf "Warning: unrecognized source [%s]", $_s \ 131 > /dev/stderr 132 ;; 133 esac 134 done 135} 136 137nsswitch_start() 138{ 139 # Convert host.conf to nsswitch.conf if necessary 140 # 141 if [ -f "/etc/host.conf" -a ! -f "/etc/nsswitch.conf" ]; then 142 echo '' 143 echo 'Warning: /etc/host.conf is no longer used' 144 echo ' /etc/nsswitch.conf will be created for you' 145 convert_host_conf /etc/host.conf /etc/nsswitch.conf 146 fi 147 148 # Generate default nsswitch.conf if none exists 149 # 150 if [ ! -f "/etc/nsswitch.conf" ]; then 151 echo 'Generating nsswitch.conf.' 152 generate_nsswitch_conf /etc/nsswitch.conf 153 fi 154 155 # Generate host.conf for compatibility 156 # 157 if [ ! -f "/etc/host.conf" -o \ 158 "/etc/host.conf" -ot "/etc/nsswitch.conf" ] 159 then 160 echo 'Generating host.conf.' 161 generate_host_conf /etc/nsswitch.conf /etc/host.conf 162 fi 163 164} 165 166load_rc_config $name 167run_rc_command "$1" 168