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|
#!/bin/sh
#-------------------------------------------------------------------------
#
# createuser.sh--
# utility for creating a user in the POSTGRES database
#
# Copyright (c) 1994, Regents of the University of California
#
#
# IDENTIFICATION
# $Header: /cvsroot/pgsql/src/bin/createuser/Attic/createuser.sh,v 1.5 1996/10/04 20:29:35 scrappy Exp $
#
# Note - this should NOT be setuid.
#
#-------------------------------------------------------------------------
# ----------------
# Set paths from environment or default values.
# The _fUnKy_..._sTuFf_ gets set when the script is installed
# from the default value for this build.
# Currently the only thing we look for from the environment is
# PGDATA, PGHOST, and PGPORT
#
# ----------------
[ -z "$PGPORT" ] && PGPORT=_fUnKy_POSTPORT_sTuFf_
[ -z "$PGHOST" ] && PGHOST=localhost
BINDIR=_fUnKy_BINDIR_sTuFf_
PATH=$BINDIR:$PATH
CMDNAME=`basename $0`
if [ -z "$USER" ]; then
if [ -z "$LOGNAME" ]; then
if [ -z "`whoami`" ]; then
echo "$CMDNAME: cannot determine user name"
exit 1
fi
else
USER=$LOGNAME
export USER
fi
fi
while [ -n "$1" ]
do
case $1 in
-a) AUTHSYS=$2; shift;;
-h) PGHOST=$2; shift;;
-p) PGPORT=$2; shift;;
*) NEWUSER=$1;;
esac
shift;
done
AUTHOPT="-a $AUTHSYS"
[ -z "$AUTHSYS" ] && AUTHOPT=""
PARGS="-tq $AUTHOPT -h $PGHOST -p $PGPORT"
#
# generate the first part of the actual monitor command
#
PSQL="psql $PARGS"
#
# see if user $USER is allowed to create new users
#
QUERY="select usesuper from pg_user where usename = '$USER' "
#echo $QUERY
ADDUSER=`$PSQL -c "$QUERY" template1`
if [ $? -ne 0 ]
then
echo "$CMDNAME: database access failed." 1>&2
exit 1
fi
if [ -n "$ADDUSER" ]
then
if [ $ADDUSER != "t" ]
then
echo "$CMDNAME: $USER cannot create users." 1>&2
exit 1
fi
fi
#
# get the user name of the new user. Make sure it doesn't already exist.
#
if [ -z "$NEWUSER" ]
then
echo _fUnKy_DASH_N_sTuFf_ "Enter name of user to add ---> "_fUnKy_BACKSLASH_C_sTuFf_
read NEWUSER
fi
QUERY="select usesysid from pg_user where usename = '$NEWUSER' "
RES=`$PSQL -c "$QUERY" template1`
if [ $? -ne 0 ]
then
echo "$CMDNAME: database access failed." 1>&2
exit 1
fi
if [ -n "$RES" ]
then
echo "$CMDNAME: user "\"$NEWUSER\"" already exists" 1>&2
exit 1
fi
done=0
#
# get the system id of the new user. Make sure it is unique.
#
while [ $done -ne 1 ]
do
SYSID=
DEFSYSID=`pg_id $NEWUSER 2>/dev/null`
if [ $? -eq 0 ]; then
DEFMSG=" or RETURN to use unix user ID: $DEFSYSID"
else
DEFMSG=
DEFSYSID=
fi
while [ -z "$SYSID" ]
do
echo _fUnKy_DASH_N_sTuFf_ "Enter user's postgres ID$DEFMSG -> "_fUnKy_BACKSLASH_C_sTuFf_
read SYSID
[ -z "$SYSID" ] && SYSID=$DEFSYSID;
SYSIDISNUM=`echo $SYSID | egrep '^[0-9]+$'`
if [ -z "$SYSIDISNUM" ]
then
echo "$CMDNAME: the postgres ID must be a number"
exit 1
fi
QUERY="select usename from pg_user where usesysid = '$SYSID'::int4"
RES=`$PSQL -c "$QUERY" template1`
if [ $? -ne 0 ]
then
echo "$CMDNAME: database access failed."
exit 1
fi
if [ -n "$RES" ]
then
echo
echo "$CMDNAME: $SYSID already belongs to $RES, pick another"
DEFMSG= DEFSYSID= SYSID=
else
done=1
fi
done
done
#
# get the rest of the user info...
#
#
# can the user create databases?
#
yn=f
while [ "$yn" != y -a "$yn" != n ]
do
echo _fUnKy_DASH_N_sTuFf_ "Is user \"$NEWUSER\" allowed to create databases (y/n) "_fUnKy_BACKSLASH_C_sTuFf_
read yn
done
if [ "$yn" = y ]
then
CANCREATE=t
else
CANCREATE=f
fi
#
# can the user add users?
#
yn=f
while [ "$yn" != y -a "$yn" != n ]
do
echo _fUnKy_DASH_N_sTuFf_ "Is user \"$NEWUSER\" allowed to add users? (y/n) "_fUnKy_BACKSLASH_C_sTuFf_
read yn
done
if (test "$yn" = y)
then
CANADDUSER=t
else
CANADDUSER=f
fi
QUERY="insert into pg_user \
(usename, usesysid, usecreatedb, usetrace, usesuper, usecatupd) \
values \
('$NEWUSER', $SYSID, '$CANCREATE', 't', '$CANADDUSER','t')"
RES=`$PSQL -c "$QUERY" template1`
#
# Wrap things up. If the user was created successfully, AND the user was
# NOT allowed to create databases, remind the DBA to create one for the user.
#
if [ $? -ne 0 ]
then
echo "$CMDNAME: $NEWUSER was NOT added successfully"
else
echo "$CMDNAME: $NEWUSER was successfully added"
if [ "$CANCREATE" = f ]
then
echo "don't forget to create a database for $NEWUSER"
fi
fi
|
