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#! @SH@
#
# -*-sh-mode-*-
#
# Copyright (C) 1998 Thomas Roessler <roessler@guug.de>
# Copyright (C) 1999-2018 Roland Rosenfeld <roland@spinnaker.de>
#
# This program 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.
#
# This program 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 this program; if not, write to the Free Software Foundation,
# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301,, USA.
#
# library routines
#
lbdb_hn_sendmail()
{
sendmail_cf="NONE"
for p in /etc /etc/mail /etc/sendmail ; do
if test -r $p/sendmail.cf ; then
sendmail_cf=$p/sendmail.cf
break;
fi
done
if test "x$sendmail_cf" != "xNONE" ; then
hn="$(sed -n -e 's/^DM\(.*\)$/\1/p' $sendmail_cf)"
if test "x$hn" = x ; then
hn="$(sed -n -e 's/^Dj\(.*\)$/\1/p' $sendmail_cf)"
fi
fi
if test "x$hn" = x ; then
echo "NONE"
else
echo "$hn"
fi
}
lbdb_hostname()
{
if test "x$MAIL_DOMAIN_NAME" != "x" ; then
hn=$MAIL_DOMAIN_NAME
elif test -f /etc/mailname; then
hn=$(cat /etc/mailname)
else
hn=""
if test -r /etc/resolv.conf ; then
hn="$(sed -n -e 's/^[ ]*domain[ ]\{1,\}\([^ ]*\)/\1/p' /etc/resolv.conf)"
if test "x$hn" = "x" ; then
hn="$(sed -n -e 's/^[ ]*search[ ]\{1,\}\([^ ]*\)/\1/p' /etc/resolv.conf)"
fi
fi
if test "x$hn" = "x" ; then
hn=$(lbdb_hn_sendmail)
if test "x$hn" = "xNONE" ; then
for i in /etc/HOSTNAME /etc/hostname ; do
if test -f $i ; then
hn="$(cat $i)"
break;
fi
done
fi
fi
fi
echo "$hn"
}
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