passcvt

gnu 的radius服务器很好用的

#! /bin/sh
# This file is part of GNU Radius.
# Copyright (C) 2004 Sergey Poznyakoff
#
# Passcvt is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
# 
# Passcvt is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
# 
# You should have received a copy of the GNU General Public License
# along with Passcvt; if not, write to the Free Software Foundation,
# Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */

SYSCONFDIR="/etc"
SERVICE="Framed-PPP"

usage() {
	cat - <<-EOF
	Usage: $0 [OPTIONS]
	$0 -- convert user data from passwd/shadow database to a series of SQL
	statements.
	OPTIONS are:
	   -g, --group GROUP-LIST      Select only users from given groups.
	                               GROUP-LIST is a comma-separated list of
	                               group names or IDs.
	   -s, --service STRING        Set service name [$SERVICE]
	   -o, --outdir DIR            Set output directory name [.]
	   --sysconfdir DIR            Override the name of the system configuration
	                               directory [$SYSCONFDIR]
	   --help                      Print this help text
	   
	EOF
	exit 1
}

OPT=
optname=

assign() {
	case $1 in
	OUTDIR|SELECT)	
		OPT="$OPT -v $1=$2"
		;;
	SERVICE)
		SERVICE=$2
		;;
	SYSCONFDIR)
		SYSCONFDIR=$2
		;;
	esac
}

for option
do
    if [ -z "$optname" ]; then
	case "$option" in
	-o|--o|--ou|--out|--outd|--outdi|--outdir)
		optname=OUTDIR
		;;
	-s|--se|--ser|--serv|--servi|--servic|--service)
		optname=SERVICE 	
		;;
	--sy|--sys|--sysc|--sysco|--syscon|--sysconf|--sysconfd|--sysconfdi|--sysconfdir)
		optname=SYSCONFDIR
		;;
	-g|--g|--gr|--gro|--grou|--group)
		optname=SELECT
		;;
	-h|--h|--he|--hel|--help)
		usage
		exit 0
		;;		
	*)	echo "unknown argument: $option" >&2
		exit 1;;
	esac
    else
	assign $optname $option
	optname=
    fi
done

if [ -z "$optname" ]; then
	:
else	
	echo "missing argument for $optname" >&2
	exit 1
fi

OPT="$OPT -v SERVICE=$SERVICE"

rm -f sql passwd.new shadow.new shadow.only
umask 066
	       	       
(cat $SYSCONFDIR/group
 echo "SEPARATOR"
 cat $SYSCONFDIR/passwd
 echo "SEPARATOR"
 cat $SYSCONFDIR/shadow) | ${AWK:-awk} $OPT '
BEGIN {
	FS=":"
	if (!OUTDIR)
		OUTDIR="."
	if (SELECT) {
		n = split(SELECT,a,",");
		for (i = 1; i <= n; i++) 
			GROUPLIST[a[i]] = 1
	}
	SQLFILE=OUTDIR "/sql"
	PWDFILE=OUTDIR "/password.new"
	SHDFILE=OUTDIR "/shadow.new"
	state = 0
}

function wanted_group(n) {
	if (!SELECT)
		return 1
	return GROUPLIST[n]==1
}

function wanted_user(login) {
	if (USERLIST[login] > 0)
		return 1;
	return wanted_group(group[login])	
}

/SEPARATOR/ { state++; next }

# Read groups file
state == 0 && (wanted_group($1) || wanted_group($3)) {
	n = split($4,a,",")
	for (i = 1; i <= n; i++)
		USERLIST[a[i]]++
	next	
}	

# Read passwd file
state == 1 {
	pwdent[$1] = $0
	group[$1] = $4
	next	
}

# Read shadow file				
state == 2 && wanted_user($1) {
	print "insert into pass (user_name,password,service) values(\"" $1 "\",\"" $2 "\",\"" SERVICE "\");" > SQLFILE 
	next
}

state == 2 {
	if (pwdent[$1]) {
		print pwdent[$1] > PWDFILE
		print $0 > SHDFILE
	} else
		print $0 > OUTDIR "/shadow.only"
}' 

# EOF