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#!/bin/sh
#
# Copyright (C) 2000-2005 Erik Andersen <andersen@uclibc.org>
#
# Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
#
# Script to replicate the `getent` binary that comes with glibc
search_entry() {
if [ -e "$1" ] ; then
/bin/egrep -v "^#" $1 | /bin/sed 's/#.*$//' | /bin/egrep "${string}" | /bin/sed -n 1p
retval=$?
[ "$retval" = 0 ] || retval=2
else
retval=2
fi
}
if [ -z "$1" ] ; then
echo "getent: wrong number of arguments" 1>&2
exit 1
fi
file="/etc/$1"
string="dummy"
if [ ! -f "$file" ] ; then
echo "Unknown database: $1" 1>&2
exit 1
fi
#aliases|ethers|group|hosts|netgroup|networks|passwd|protocols|rpc|services|shadow)
# dns based search is not supported for hosts|networks
# ethers|netgroup (not done, needed)?
# it returns only the first match
case $1 in
passwd)
string="(^\<$2\>:|^.*:.*:\<$2\>:.*:.*:.*:.*)"
;;
group)
string="(^|:)\<$2\>:"
;;
shadow)
string="^\<$2\>:"
;;
aliases)
if [ -f /etc/postfix/aliases ] ; then
file="/etc/postfix/aliases"
elif [ -f /etc/mail/aliases ] ; then
file="/etc/mail/aliases"
fi
string="^\<$2\>:"
;;
networks)
string="^\<$2\>"
;;
hosts|protocols|rpc|services)
string="\<$2\>"
;;
*)
echo "Unknown database: $1"
exit 1
;;
esac
if [ -z "$2" ] ; then
cat $file
retval=$?
else
search_entry "$file" "$2"
fi
exit $retval
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