#!/bin/sh
#-------------------------------------------------------------------------
#
# createuser--
#    Utility for creating a user in the PostgreSQL database
#
# Copyright (c) 1994, Regents of the University of California
#
#
# IDENTIFICATION
#    $Header: /cvsroot/pgsql/src/bin/scripts/Attic/createuser,v 1.2 1999/12/05 20:52:54 momjian Exp $
#
# Note - this should NOT be setuid.
#
#-------------------------------------------------------------------------

CMDNAME=`basename $0`

NewUser=
SysID=
CanAddUser=
CanCreateDb=
PwPrompt=
Password=
PSQLOPT=

# Check for echo -n vs echo \c

if echo '\c' | grep -s c >/dev/null 2>&1
then
    ECHO_N="echo -n"
    ECHO_C=""
else
    ECHO_N="echo"
    ECHO_C='\c'
fi

while [ $# -gt 0 ]
do
    case "$1" in
	--help|-\?)
		usage=t
		break
		;;
# options passed on to psql
	--host|-h)
		PSQLOPT="$PSQLOPT -h $2"
		shift;;
	--port|-p)
		PSQLOPT="$PSQLOPT -p $2"
		shift;;
# Uncomment these lines if you need the -U and -W options.
# They are confusing in this context, however.
#	--user|--username|-U)
#		PSQLOPT="$PSQLOPT -U $2"
#		shift;;
#	--password|-W)
#		PSQLOPT="$PSQLOPT -W"
#		;;
	--echo|-e)
		PSQLOPT="$PSQLOPT -e"
		;;
	--quiet|-q)
		PSQLOPT="$PSQLOPT -o /dev/null"
		;;
# options converted into SQL command	
        --createdb|-d)
		CanCreateDb=t
		;;
        --no-createdb|-D)
		CanCreateDb=f
		;;
        --adduser|-a)
		CanAddUser=t
		;;
        --no-adduser|-A)
		CanAddUser=f
		;;
	--pwprompt|--pw|-P)
		PwPrompt=t
		;;
	-*)
		echo "$CMDNAME: Unrecognized option: $1. Try -? for help."
		exit 1
		;;
         *)
		NewUser=$1
		;;
    esac
    shift;
done


# Help

if [ "$usage" ]; then
	echo "Usage: $CMDNAME [-h <server>] [-p <port>] [-d|-D] [-a|-A] [-P] [username]"
	exit 0
fi


# Get missing user attributes

if [ -z "$NewUser" ]; then
	$ECHO_N "Enter name of user to add: "$ECHO_C
	read NewUser
	[ $? -ne 0 ] && exit 1
fi

if [ "$PwPrompt" ]; then
	$ECHO_N "Enter password for user $NewUser: "$ECHO_C
	read Password
fi

if [ -z "$CanCreateDb" ]; then
	$ECHO_N "Is the new user allowed to create databases? (y/n) "$ECHO_C
	read REPLY
	[ $? -ne 0 ] && exit 1
	if [ $REPLY = "y" -o $REPLY = "Y" ]; then
		CanCreateDb=t
	else
		CanCreateDb=f
	fi
fi

if [ -z "$CanAddUser" ]; then
	$ECHO_N "Shall the new user be allowed to create more new users? (y/n) "$ECHO_C
	read REPLY
	[ $? -ne 0 ] && exit 1
	if [ $REPLY = "y" -o $REPLY = "Y" ]; then
		CanAddUser=t
	else
		CanAddUser=f
	fi
fi


#
# build SQL command
#
QUERY="CREATE USER \"$NewUser\""

[ "$Password" ] &&        QUERY="$QUERY WITH PASSWORD \"$Password\""
[ "$CanCreateDb" = t ] && QUERY="$QUERY CREATEDB"
[ "$CanCreateDb" = f ] && QUERY="$QUERY NOCREATEDB"
[ "$CanAddUser" = t ] &&  QUERY="$QUERY CREATEUSER"
[ "$CanAddUser" = f ] &&  QUERY="$QUERY NOCREATEUSER"

psql $PSQLOPT -d template1 -c "$QUERY"
if [ $? -ne 0 ]; then
	echo "$CMDNAME: Creation of user \"$NewUser\" failed."
	exit 1
fi
		
exit 0