160 lines
3.6 KiB
Bash
160 lines
3.6 KiB
Bash
#!/bin/sh
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#
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# Copyright (c) 1993 - 2004 The FreeBSD Project. All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions
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# are met:
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# 1. Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# 2. Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in the
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# documentation and/or other materials provided with the distribution.
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#
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# THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
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# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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# ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
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# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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# SUCH DAMAGE.
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#
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# $FreeBSD$
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#
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# PROVIDE: nsswitch
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# REQUIRE: root
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# BEFORE: NETWORK
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. /etc/rc.subr
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name="nsswitch"
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start_cmd="nsswitch_start"
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stop_cmd=":"
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convert_host_conf()
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{
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host_conf=$1; shift;
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nsswitch_conf=$1; shift;
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while read line; do
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line=${line##[ ]}
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case $line in
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hosts|local|file)
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_nsswitch="${_nsswitch}${_nsswitch+ }files"
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;;
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dns|bind)
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_nsswitch="${_nsswitch}${_nsswitch+ }dns"
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;;
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nis)
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_nsswitch="${_nsswitch}${_nsswitch+ }nis"
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;;
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'#'*)
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;;
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*)
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printf "Warning: unrecognized line [%s]", $line > "/dev/stderr"
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;;
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esac
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done < $host_conf
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echo "hosts: $_nsswitch" > $nsswitch_conf
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}
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generate_nsswitch_conf()
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{
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nsswitch_conf=$1; shift;
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cat >$nsswitch_conf <<EOF
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group: compat
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group_compat: nis
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hosts: files dns
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networks: files
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passwd: compat
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passwd_compat: nis
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shells: files
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EOF
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}
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generate_host_conf()
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{
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nsswitch_conf=$1; shift;
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host_conf=$1; shift;
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_cont=0
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_sources=""
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while read line; do
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line=${line##[ ]}
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case $line in
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hosts:*)
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;;
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*)
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if [ $_cont -ne 1 ]; then
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continue
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fi
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;;
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esac
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if [ "${line%\\}" = "${line}\\" ]; then
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_cont=1
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fi
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line=${line#hosts:}
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line=${line%\\}
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line=${line%%#*}
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_sources="${_sources}${_sources:+ }$line"
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done < $nsswitch_conf
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echo "# Auto-generated from nsswitch.conf, do not edit" > $host_conf
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for _s in ${_sources}; do
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case $_s in
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files)
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echo "hosts" >> $host_conf
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;;
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dns)
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echo "dns" >> $host_conf
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;;
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nis)
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echo "nis" >> $host_conf
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;;
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*=*)
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;;
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*)
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printf "Warning: unrecognized source [%s]", $_s > "/dev/stderr"
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;;
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esac
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done
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}
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nsswitch_start()
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{
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# Convert host.conf to nsswitch.conf if necessary
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#
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if [ -f "/etc/host.conf" -a ! -f "/etc/nsswitch.conf" ]; then
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echo ''
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echo 'Warning: /etc/host.conf is no longer used'
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echo ' /etc/nsswitch.conf will be created for you'
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convert_host_conf /etc/host.conf /etc/nsswitch.conf
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fi
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# Generate default nsswitch.conf if none exists
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#
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if [ ! -f "/etc/nsswitch.conf" ]; then
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echo 'Generating nsswitch.conf.'
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generate_nsswitch_conf /etc/nsswitch.conf
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fi
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# Generate host.conf for compatibility
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#
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if [ ! -f "/etc/host.conf" ]; then
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echo 'Generating host.conf.'
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generate_host_conf /etc/nsswitch.conf /etc/host.conf
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fi
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}
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load_rc_config $name
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run_rc_command "$1"
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