#!/bin/sh

RunUser=firebird
export RunUser
RunGroup=firebird
export RunGroup
PidDir=/var/run/firebird
export PidDir

#------------------------------------------------------------------------
#  Add new user and group

TryAddGroup() {

	AdditionalParameter=$1
	testStr=`grep firebird /etc/group`
	
    if [ -z "$testStr" ]
      then
        groupadd $AdditionalParameter firebird
    fi
	
}


TryAddUser() {

	AdditionalParameter=$1
	testStr=`grep firebird /etc/passwd`
	
    if [ -z "$testStr" ]
      then
        useradd $AdditionalParameter -d $FBRootDir -s /bin/false \
            -c "Firebird Database Owner" -g firebird firebird 
    fi

}


addFirebirdUser() {

	TryAddGroup "-g 84 -r" >/dev/null 2>&1
	TryAddGroup "-g 84" >/dev/null 2>&1
	TryAddGroup "-r" >/dev/null 2>&1
	TryAddGroup " "
	
	TryAddUser "-u 84 -r -M" >/dev/null 2>&1
	TryAddUser "-u 84 -M" >/dev/null 2>&1
	TryAddUser "-r -M" >/dev/null 2>&1
	TryAddUser "-M" >/dev/null 2>&1
	TryAddUser "-u 84 -r" >/dev/null 2>&1
	TryAddUser "-u 84" >/dev/null 2>&1
	TryAddUser "-r" >/dev/null 2>&1
	TryAddUser " "

}


#------------------------------------------------------------------------
#  Detect Distribution.
#	AP: very beautiful, but unused. Let's keep alive for a while. (2005)

detectDistro() {

    # it's not provided...
    if [ -z "$linuxDistro"  ]
    then
	if [ -e /etc/SuSE-release  ]
	then
	    # SuSE
	    linuxDistro="SuSE"
	elif [ -e /etc/mandrake-release ]
	then
	    # Mandrake
	    linuxDistro="MDK"
	elif [ -e /etc/debian_version ]
	then
	    # Debian
	    linuxDistro="Debian"
	elif [ -e /etc/gentoo-release ]
	then
	    # Debian
	    linuxDistro="Gentoo"
	elif [ -e /etc/rc.d/init.d/functions ]
	then
	    # very likely Red Hat
	    linuxDistro="RH"
	elif [ -d /etc/rc.d/init.d ]
	then
	    # generic Red Hat
	    linuxDistro="G-RH"
	elif [ -d /etc/init.d ]
	then
	    # generic SuSE
	    linuxDistro="G-SuSE"
	fi
    fi
}


#------------------------------------------------------------------------
#  print location of init script

getInitScriptLocation() {
    if [ -f /etc/rc.d/init.d/firebird ]
	then
		echo -n /etc/rc.d/init.d/firebird
    elif [ -f /etc/rc.d/rc.firebird ]
	then
		echo -n /etc/rc.d/rc.firebird
    elif [ -f /etc/init.d/firebird ]
	then
		echo -n /etc/init.d/firebird
    fi
}


#------------------------------------------------------------------------
#  stop super server if it is running

stopSuperServerIfRunning() {
    checkString=`ps -efww| egrep "\b(fbserver|fbguard)\b" |grep -v grep`

    if [ ! -z "$checkString" ]
    then
		init_d=`getInitScriptLocation`

        if [ -x "$init_d" ]
		then
       	    $init_d stop
		fi
    fi
}

#------------------------------------------------------------------------
#  Generate new sysdba password - this routine is used only in the 
#  rpm file not in the install script.

generateNewDBAPassword() {
    # openssl generates random data.
	openssl </dev/null >/dev/null 2&>/dev/null
    if [ $? -eq 0 ]
    then
        # We generate 20 random chars, strip any '/''s and get the first 8
        NewPasswd=`openssl rand -base64 20 | tr -d '/' | cut -c1-8`
    fi

    # mkpasswd is a bit of a hassle, but check to see if it's there
    if [ -z "$NewPasswd" ]
    then
        if [ -f /usr/bin/mkpasswd ]
        then
            NewPasswd=`/usr/bin/mkpasswd -l 8`
        fi
    fi

	# On some systems the mkpasswd program doesn't appear and on others
	# there is another mkpasswd which does a different operation.  So if
	# the specific one isn't available then keep the original password.
    if [ -z "$NewPasswd" ]
    then
        NewPasswd="masterkey"
    fi

    writeNewPassword $NewPasswd
}