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path: root/etc/rc.d/nisdomain
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#!/bin/sh
#
# Copyright (c) 1993 - 2003 The FreeBSD Project. All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
# 1. Redistributions of source code must retain the above copyright
#    notice, this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright
#    notice, this list of conditions and the following disclaimer in the
#    documentation and/or other materials provided with the distribution.
#
# THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
# ARE DISCLAIMED.  IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
# SUCH DAMAGE.
#
# $FreeBSD$
#

# PROVIDE: nisdomain
# REQUIRE: SERVERS rpcbind
# BEFORE:  ypbind ypserv ypxfrd
# KEYWORD: FreeBSD

. /etc/rc.subr

name="nisdomain"
start_cmd="nisdomain_start"
stop_cmd=":"

convert_host_conf()
{
    host_conf=$1; shift;
    nsswitch_conf=$1; shift;
    awk '                                                                   \
        /^[:blank:]*#/       { next }                                       \
        /(hosts|local|file)/ { nsswitch[c] = "files"; c++; next }           \
        /(dns|bind)/         { nsswitch[c] = "dns";   c++; next }           \
        /nis/                { nsswitch[c] = "nis";   c++; next }           \
        { printf "Warning: unrecognized line [%s]", $0 > "/dev/stderr" }    \
        END {                                                               \
                printf "hosts: ";                                           \
                for (i in nsswitch) printf "%s ", nsswitch[i];              \
                printf "\n";                                                \
        }' < $host_conf > $nsswitch_conf
}

generate_host_conf()
{
    nsswitch_conf=$1; shift;
    host_conf=$1; shift;

    awk '
BEGIN {
    xlat["files"] = "hosts";
    xlat["dns"] = "bind";
    xlat["nis"] = "nis";
    cont = 0;
}
sub(/^[\t ]*hosts:/, "") || cont {
    if (!cont)
        srcs = ""
    sub(/#.*/, "")
    gsub(/[][]/, " & ")
    cont = sub(/\\$/, "")
    srcs = srcs " " $0
}
END {
    print "# Auto-generated from nsswitch.conf, do not edit"
    ns = split(srcs, s)
    for (n = 1; n <= ns; ++n) {
        if (s[n] in xlat)
            print xlat[s[n]]
    }
}
' <$nsswitch_conf >$host_conf
}

nisdomain_start()
{
	# Generate host.conf for compatibility
	#
	if [ -f "/etc/nsswitch.conf" ]; then
		echo 'Generating host.conf.'
		generate_host_conf /etc/nsswitch.conf /etc/host.conf
	fi

	# Convert host.conf to nsswitch.conf if necessary
	#
	if [ -f "/etc/host.conf" -a ! -f "/etc/nsswitch.conf" ]; then
		echo ''
		echo 'Warning: /etc/host.conf is no longer used'
		echo '  /etc/nsswitch.conf will be created for you'
		convert_host_conf /etc/host.conf /etc/nsswitch.conf
	fi

	# Set the domainname if we're using NIS
	#
	case ${nisdomainname} in
	[Nn][Oo]|'')
		;;
	*)
		domainname ${nisdomainname}
		echo "Setting NIS domain: `/bin/domainname`."
		;;
	esac
}

load_rc_config $name
run_rc_command "$1"
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