#!/bin/sh
#
# CDDL HEADER START
#
# The contents of this file are subject to the terms of the
# Common Development and Distribution License (the "License").
# You may not use this file except in compliance with the License.
#
# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
# or http://www.opensolaris.org/os/licensing.
# See the License for the specific language governing permissions
# and limitations under the License.
#
# When distributing Covered Code, include this CDDL HEADER in each
# file and include the License file at usr/src/OPENSOLARIS.LICENSE.
# If applicable, add the following below this CDDL HEADER, with the
# fields enclosed by brackets "[]" replaced with your own identifying
# information: Portions Copyright [yyyy] [name of copyright owner]
#
# CDDL HEADER END
#
#
# ident	"%Z%%M%	%I%	%E% SMI"
#
# Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
# Use is subject to license terms.
#

PATH="/usr/bin:/usr/sbin:${PATH}"
export PATH

while read src dest
do
	if [ ! -f $dest ] ; then
		cp $src $dest
	else
		#
		# 2.1 version of this file had a trailing blank
		# in the nobody entry.  Remove it.
		#
		# 2.6 & earlier versions had an smtp entry; remove it.
		#
		# The NFS nobody users get better GECOS entries.
		sed -e 's/^\(nobody:.*:\) $/\1/' \
		    -e '/^smtp:/d' \
		    -e '/^nobody:/s/:Nobody:/:NFS Anonymous Access User:/' \
		    -e '/^nobody4:/s/:SunOS\ 4\.x\ Nobody:/:SunOS 4.x NFS Anonymous Access User:/;' \
		    $dest > /tmp/d.$$
		cp /tmp/d.$$ $dest
		rm -f /tmp/d.$$

		#
		# s10 is changing root's group back to 0:
		#
		sed -e 's/^root:\([^:]*\):0:1:/root:\1:0:0:/' \
			$dest > /tmp/d.$$
		cp /tmp/d.$$ $dest
		rm -f /tmp/d.$$

		#
		# Add the 'nobody' user from 4.x so that people don't
		# assign it to a regular user and confuse themselves
		#
		NOBODY4_LINE="nobody4:x:65534:65534:SunOS 4.x NFS Anoymous Access User:/:"
		if grep "^nobody4:" $dest 2>&1 >/dev/null; then
			:
		else
			printf '/^noaccess:x\na\n%s\n.\nw\nq\n' \
				"$NOBODY4_LINE" | ed -s $dest > /dev/null
		fi

		#
		# Add the 'smmsp' user for sendmail 8.12
		#
		SMMSP_LIN="smmsp:x:25:25:SendMail Message Submission Program:/:"
		if grep "$SMMSP_LIN" $dest 2>&1 >/dev/null; then
			:
		else
			printf '/^nobody4:x\na\n%s\n.\nw\nq\n' \
				"$SMMSP_LIN" | ed -s $dest > /dev/null
		fi
		
		#
		# Add the 'gdm' user if it doesn't exist.
		#
		GDM_LINE="gdm:x:50:50:GDM Reserved UID:/:"
		cur_name=`awk -F: '$3 == 50 { print $1 }' $dest`
		if [ ! -z "$cur_name" -a "$cur_name" != "gdm" ]; then
			echo "ERROR: Reserved UID 50 already assigned" \
				"to '$cur_name'" >> /tmp/CLEANUP
		elif grep "$GDM_LINE" $dest 2>&1 >/dev/null; then
			:
		else
			printf '/^listen:x\na\n%s\n.\nw\nq\n' \
				"$GDM_LINE" | ed -s $dest > /dev/null
		fi

		#
		# Add the 'webservd' user if it doesn't exist.
		#
		WEBSERVD_LIN="webservd:x:80:80:WebServer Reserved UID:/:"
		cur_name=`awk -F: '$3 == 80 { print $1 }' $dest`
		if [ ! -z "$cur_name" -a "$cur_name" != "webservd" ]; then
			echo "ERROR: Reserved UID 80 already assigned" \
				"to '$cur_name'" >> /tmp/CLEANUP
		elif grep "$WEBSERVD_LIN" $dest 2>&1 >/dev/null; then
			:
		else
			printf '/^gdm:x\na\n%s\n.\nw\nq\n' \
				"$WEBSERVD_LIN" | ed -s $dest > /dev/null
		fi

		#
		# Add the 'postgres' user if it doesn't exist.
		#
		POSTGRES_LIN="postgres:x:90:90:PostgreSQL Reserved UID:/:/usr/bin/pfksh"
		cur_name=`awk -F: '$3 == 90 { print $1 }' $dest`
		cur_id=`awk -F: '$1 == "postgres" { print $3 }' $dest`
		if [ ! -z "$cur_name" -a "$cur_name" != "postgres" ]; then
			echo "ERROR: Reserved UID 90 already assigned" \
			    "to '$cur_name'" >> /tmp/CLEANUP
		elif [ ! -z "$cur_id" -a "$cur_id" != "90" ]; then
			echo "NOTE: postgres username already assigned" \
			    "to id '$cur_id'" >> /tmp/CLEANUP
		elif grep "$POSTGRES_LIN" $dest 2>&1 >/dev/null; then
			:
		else
			printf '/^webservd:x\na\n%s\n.\nw\nq\n' \
			    "$POSTGRES_LIN" | ed -s $dest > /dev/null
		fi

		#
		# Add the 'dladm' user if it doesn't exist.
		#
		DLADM_LIN="dladm:x:15:3:Datalink Admin:/:"
		cur_name=`awk -F: '$3 == 15 { print $1 }' $dest`
		if [ ! -z "$cur_name" -a "$cur_name" != "dladm" ]; then
			echo "ERROR: Reserved UID 15 already assigned" \
				"to '$cur_name'" >> /tmp/CLEANUP
		elif grep "$DLADM_LIN" $dest 2>&1 >/dev/null; then
			:
		else
			printf '/^nuucp:x\na\n%s\n.\nw\nq\n' \
				"$DLADM_LIN" | ed -s $dest > /dev/null
		fi
	fi
done

exit 0