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/* This file is part of Mailfromd                                   -*- mfl -*-
   Copyright (C) 2006, 2007 Sergey Poznyakoff

   Mailfromd 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.

   Mailfromd 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 Mailfromd; if not, write to the Free Software Foundation,
   Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA */

#include_once <status.mfh>
#require match_cidr

set network "127.0.0.0/8"

func safe_cidr(s,s) returns n
do
  catch invip
  do
    echo "safe_cidr: invalid IP address"
    return 0
  done
  return match_cidr($1, $2)
done

prog envfrom
do
  catch invip or invcidr
  do
    tempfail 450 "Catched condition " $1
  done
  if safe_cidr($s, %network)
    accept
  else
    reject
  fi
done

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