#!/bin/sh# A routine to change the user that runs interbase Firebird#------------------------------------------------------------------------# Prompt for response, store result in AnswerAnswer=""AskQuestion() {    Test=$1    DefaultAns=$2    echo -n "${1}"    Answer="$DefaultAns"    read Answer}#------------------------------------------------------------------------# Check for a previous install checkInstallUser() {    if [ "`whoami`" != "root" ];      then        ehco ""        echo "--- Warning ----------------------------------------------"        echo ""        echo "    You need to be 'root' user to do this change"        echo ""        exit    fi}#------------------------------------------------------------------------#  stop super server if it is running#  Also will only stop firebird, since that has the init scriptstopServerIfRunning() {    checkString=`ps -efww| egrep "(ibserver|ibguard)" |grep -v grep`    if [ ! -z "$checkString" ]       then        if [ -f /etc/rc.d/init.d/firebird ]          then            /etc/rc.d/init.d/firebird stop        fi    fi}#------------------------------------------------------------------------#  check if it is runningcheckIfServerRunning() {    stopServerIfRunning# Check is server is being actively used.    checkString=`ps -efww| egrep "(ibserver|ibguard)" |grep -v grep`    if [ ! -z "$checkString" ]       then        echo "An instance of the Firebird/InterBase Super server seems to be running."         echo "Please quit all interbase applications and then proceed"        exit 1     fi    checkString=`ps -efww| egrep "(gds_inet_server|gds_pipe)" |grep -v grep`    if [ ! -z "$checkString" ]       then        echo "An instance of the Firebird/InterBase server seems to be running."         echo "Please quit all interbase applications and then proceed."         exit 1     fi# Stop lock manager if it is the only thing running.    for i in `ps -efww | grep "gds_lock_mgr" | grep -v "grep" | awk '{print $2}' `     do        kill $i     done}#------------------------------------------------------------------------#  Add new user and groupaddFirebirdUser() {    groupadd -g 84 -o -r firebird    useradd -o -r -m -d /home/firebird -s /bin/bash \        -c "Firebird Database Administrator" -g firebird -u 84 firebird # >/dev/null 2>&1 }#------------------------------------------------------------------------#  Delete new user and groupdeleteFirebirdUser() {    userdel firebird #   groupdel firebird}#------------------------------------------------------------------------# add a service line in the (usually) /etc/services or /etc/inetd.conf file# Here there are three cases, not found         => add service line,#                             found & different => ask user to check#                             found & same      => do nothing#                             replaceLineInFile() {    FileName=$1    newLine=$2    oldLine=$3    if [ -z "$oldLine" ]       then        echo "$newLine" >> $FileName    elif [ "$oldLine" != "$newLine"  ]      then# We really expect this to be the case.        cat $FileName | grep -v "$oldLine" > ${FileName}.tmp        mv ${FileName}.tmp $FileName        echo "$newLine" >> $FileName        echo "Updated."    fi}#------------------------------------------------------------------------#  changeInitRunUserchangeInitRunUser() {    NewUser=$1    InitFile=/etc/rc.d/init.d/firebird    if [ -f $InitFile ]       then        ed $InitFile <<EOF/FBRunUser:=/s/FBRunUser:=.*\}/FBRunUser:=$NewUser\}/gwqEOF    chmod u=rwx,g=rx,o= $InitFile    fi}IBRootDir=/opt/interbaseIBBin=$IBRootDir/bin#RunUser=firebird#RunGroup=firebird# Well if you really insist, here it is ;-) - Mark.#RunUser=interbase#RunGroup=interbase# If you want to root user (server run restructed to group root)RunUser=rootRunGroup=rootcheckInstallUserecho ""echo "Change Firebird install for $IBRootDir to uid=$RunUser gid=$RunGroup"echo "(User or group options can be changed by editing this script)"echo ""AskQuestion "Press return to continue - or ^C to abort"checkIfServerRunning# Update ownership and SUID bits for programs.echo "Updating $IBRootDir"chown -R $RunUser.$RunGroup $IBRootDir# Turn everybody option off.chmod -R o= $IBRootDir# Now fix up the mess.# fix up directories for i in `find $IBRootDir -print`  do    FileName=$i    if [ -d $FileName ]       then         chmod o=rx $FileName     fi  donecd $IBBin# User can run these programs, they need to talk to server though.# and they cannot actually create a database.chmod o=rx isql chmod o=rx qlicd $IBRootDirtouch interbase.logchmod ug=rw,o= interbase.log# make examples writable by groupchmod ug=rw,o= examples/*.gdbchangeInitRunUser $RunUser# start the db server (cd /etc/rc.d/init.d; ./firebird start)echo "Completed."