uml-functions.sh

This a good VPN source

#! /bin/sh 
#
# 
# $Id: uml-functions.sh,v 1.35 2004/10/17 17:38:35 mcr Exp $
#

setup_make() {
    TAB="	@"
    depends=""

    echo "# RULES for making module"

    # figure out our base architecture, as we'll need in the Makefiles.
    SUBARCH=${ARCH-`uname -m`}
    case $SUBARCH in
	i?86) SUBARCH=i386;;
    esac

    echo "IPSECDIR=${OPENSWANSRCDIR}/linux/net/ipsec"
    echo "include ${OPENSWANSRCDIR}/Makefile.ver"
    echo 
    
    echo "all: "
    echo "$TAB echo Default make called"
    echo "$TAB exit 1"
    echo

    echo "module/ipsec.o: ${OPENSWANSRCDIR}/packaging/makefiles/module.make \${IPSECDIR}/*.c"
    echo "$TAB mkdir -p module"
    echo "$TAB make -C ${OPENSWANSRCDIR} OPENSWANSRCDIR=${OPENSWANSRCDIR} MODBUILDDIR=$POOLSPACE/module MODBUILDDIR=$POOLSPACE/module KERNELSRC=$UMLPLAIN ARCH=um SUBARCH=${SUBARCH} module "
    echo

    echo "module26/ipsec.ko: ${OPENSWANSRCDIR}/packaging/makefiles/module26.make \${IPSECDIR}/*.c"
    echo "$TAB mkdir -p module26"
    echo "$TAB make -C ${OPENSWANSRCDIR} OPENSWANSRCDIR=${OPENSWANSRCDIR} MODBUILDDIR=$POOLSPACE/module MOD26BUILDDIR=$POOLSPACE/module26 KERNELSRC=$UMLPLAIN ARCH=um SUBARCH=${SUBARCH} module26 "
    echo
}

# output should directed to a Makefile
setup_host_make() {
    host=$1
    KERNEL=$2
    HOSTTYPE=$3
    KERNVER=$4
    KERNDIR=`dirname $KERNEL`
    TAB="	@"
    hostroot=$host/root
    depends=""

    echo "# RULES for host $host"
    echo 

    echo "$hostroot:"
    echo "$TAB mkdir -p $host $hostroot"
    echo
    depends="$depends $host/root"

    echo $host/linux : $KERNEL 
    echo "$TAB cp $KERNEL $host/linux"          
    echo
    depends="$depends $host/linux"

    echo "# make a hard link copy of the ROOT, but"
    echo "# make private copy of /var."
    echo "$hostroot/sbin/init : ${BASICROOT}/sbin/init"
    echo "$TAB -(cd ${BASICROOT} && find . -print | cpio -pld $POOLSPACE/$hostroot 2>/dev/null )"
    echo "$TAB rm -rf $hostroot/var"

    echo "$TAB (cd ${BASICROOT} && find var -print | cpio -pd $POOLSPACE/$hostroot 2>/dev/null )"

    # make sure that we have /dev, /tmp and /var/run
    echo "$TAB mkdir -p $hostroot/dev $hostroot/tmp $hostroot/var/run $hostroot/usr/share $hostroot/proc $hostroot/var/log/pluto/peer"

    # root image may be debian, but we expect rh-style /etc/rc.d
    echo "$TAB mkdir -p $hostroot/etc/rc.d"
    echo "$TAB mkdir -p $hostroot/testing $hostroot/usr/src"
    echo "$TAB if [ ! -d $hostroot/etc/rc.d/init.d ]; then (cd $hostroot/etc/rc.d && ln -fs ../init.d ../rc?.d . ); fi"

    # nuke certain other files that get in the way of booting
    echo "$TAB rm -f $hostroot/etc/mtab $hostroot/sbin/hwclock"

    # set up the timezone
    echo "$TAB rm -f $hostroot/etc/localtime "

    # dummy out fsck.
    echo "$TAB ln -f $hostroot/bin/true $hostroot/sbin/fsck.hostfs"

    # force it to GMT, otherwise (RH7.1) use host's zoneinfo.
    if [ -f /usr/share/zoneinfo/GMT ] 
    then
      echo "$TAB cp /usr/share/zoneinfo/GMT $hostroot/etc/localtime"
    else
      echo "$TAB cp /etc/localtime $hostroot/etc/localtime"
    fi

    # now remove any files that we shouldn't have copied.
    echo "$TAB (cd ${TESTINGROOT}/baseconfigs/all && find . -type f -print) | (cd $hostroot && xargs rm -f)"
    echo "$TAB (cd ${TESTINGROOT}/baseconfigs/$host && find . -type f -print) | (cd $hostroot && xargs rm -f)"
    # okay, that's all the stock stuff
    echo 
    depends="$depends $hostroot/sbin/init"

    # copy global configuration files, and make sure that they are up-to-date.
    (cd ${TESTINGROOT}/baseconfigs/all && find . -type f -print) | sed -e 's,^\./,,' >makeuml.$$
    echo -n >makeuml2.$$
    cat makeuml.$$ | while read file
    do
        case $file in
	    *~) ;;
	    *CVS/*);;
	    */.\#*);;
	    etc/fstab);;
	    *) echo "$hostroot/$file : ${TESTINGROOT}/baseconfigs/all/$file $hostroot"
	       echo "$TAB rm -f $hostroot/$file && mkdir -p `dirname $hostroot/$file` && cp ${TESTINGROOT}/baseconfigs/all/$file $hostroot/$file"
	       echo
	       echo -n $hostroot/$file ' ' >>makeuml2.$$
	esac
    done	 
    nicelists=`cat makeuml2.$$`
    depends="$depends $nicelists"
    rm -f makeuml.$$ makeuml2.$$

    # copy configuration files, but make sure that they are up-to-date.
    (cd ${TESTINGROOT}/baseconfigs/$host && find . -type f -print) | sed -e 's,^\./,,'  >makeuml.$$
    echo -n >makeuml2.$$
    cat makeuml.$$ | while read file
    do
        case $file in
	    *~) ;;
	    *CVS/*);;
	    etc/fstab);;
	    */.\#*);;
	    *) echo "$hostroot/$file : ${TESTINGROOT}/baseconfigs/$host/$file $hostroot"
	       echo "$TAB rm -f $hostroot/$file && mkdir -p `dirname $hostroot/$file` && cp ${TESTINGROOT}/baseconfigs/$host/$file $hostroot/$file"
	       echo
	       echo -n $hostroot/$file ' ' >>makeuml2.$$
	esac
    done	 
 
    nicelists=`cat makeuml2.$$`
    depends="$depends $nicelists"
    rm -f makeuml.$$ makeuml2.$$

    # setup the mount of /usr/share
    echo "$hostroot/etc/fstab : ${TESTINGROOT}/baseconfigs/$host/etc/fstab"
    echo "$TAB cp ${TESTINGROOT}/baseconfigs/$host/etc/fstab $hostroot/etc/fstab"
    echo "$TAB echo none	   /usr/share		     hostfs   defaults,ro,$SHAREROOT 0 0 >>$hostroot/etc/fstab"
    echo "$TAB echo none	   /testing		     hostfs   defaults,ro,${TESTINGROOT} 0 0 >>$hostroot/etc/fstab"
    echo "$TAB echo none	   /usr/src		     hostfs   defaults,ro,${OPENSWANSRCDIR} 0 0 >>$hostroot/etc/fstab"
    echo "$TAB echo none	   /usr/local		     hostfs   defaults,rw,${POOLSPACE}/${hostroot}/usr/local 0 0 >>$hostroot/etc/fstab"
    echo "$TAB echo none	   /var/tmp		     hostfs   defaults,rw,${POOLSPACE}/${hostroot}/var/tmp 0 0 >>$hostroot/etc/fstab"
    depends="$depends $hostroot/etc/fstab"

    # split Debian "interfaces" file into RH ifcfg-* file
    echo "$hostroot/etc/sysconfig/network-scripts/ifcfg-eth0: $hostroot/etc/network/interfaces"
    echo "$TAB mkdir -p $hostroot/etc/sysconfig/network-scripts"
    echo "$TAB ${TESTINGROOT}/utils/interfaces2ifcfg.pl $hostroot/etc/network/interfaces $hostroot/etc/sysconfig/network-scripts"
    echo
    depends="$depends $hostroot/etc/sysconfig/network-scripts/ifcfg-eth0"

    if [ "X$HOSTTYPE" == "Xopenswan" ]
    then
	# install FreeSWAN if appropriate.
        
	echo "$hostroot/usr/local/sbin/ipsec : ${OPENSWANSRCDIR}/Makefile.inc ${OPENSWANSRCDIR}/Makefile.ver"
	echo "$TAB cd ${OPENSWANSRCDIR} && make DESTDIR=$POOLSPACE/$hostroot install"
	echo
	depends="$depends $hostroot/usr/local/sbin/ipsec"

	case ${KERNVER} in
	    26) DOTO=".ko";;
	    *) DOTO=".o";;
	esac

	# update the module, if any.
	echo "$hostroot/ipsec.o : module${KERNVER}/ipsec${DOTO} $hostroot"
	echo "$TAB -cp module${KERNVER}/ipsec${DOTO} $hostroot/ipsec.o"
	echo
	depends="$depends $hostroot/ipsec.o"

	# make module startup script
	startscript=$POOLSPACE/$host/startmodule.sh
	echo "$startscript : $OPENSWANSRCDIR/umlsetup.sh $hostroot/ipsec.o"
	echo "$TAB echo '#!/bin/sh' >$startscript"
	echo "$TAB echo ''          >>$startscript"
	echo "$TAB echo '# get $net value from baseconfig'          >>$startscript"
	echo "$TAB echo . ${TESTINGROOT}/baseconfigs/net.$host.sh   >>$startscript"
	echo "$TAB echo ''          >>$startscript"
	echo "$TAB echo '$POOLSPACE/plain${KERNVER}/linux root=/dev/root rootfstype=hostfs rootflags=$POOLSPACE/$hostroot rw umid=$host \$\$net \$\$UML_DEBUG_OPT \$\$UML_"${host}"_OPT \$\$*' >>$startscript"
	echo "$TAB chmod +x $startscript"
	echo
	depends="$depends $startscript"
    fi

    # make startup script
    startscript=$POOLSPACE/$host/start.sh
    echo "$startscript : $OPENSWANSRCDIR/umlsetup.sh"
    echo "$TAB echo '#!/bin/sh' >$startscript"
    echo "$TAB echo ''          >>$startscript"
    echo "$TAB echo '# get $net value from baseconfig'          >>$startscript"
    echo "$TAB echo . ${TESTINGROOT}/baseconfigs/net.$host.sh   >>$startscript"
    echo "$TAB echo ''          >>$startscript"
    echo "$TAB echo '$POOLSPACE/$host/linux root=/dev/root rootfstype=hostfs rootflags=$POOLSPACE/$hostroot rw umid=$host \$\$net \$\$UML_DEBUG_OPT \$\$UML_"${host}"_OPT \$\$*' >>$startscript"
    echo "$TAB chmod +x $startscript"
    echo
    depends="$depends $startscript"

    echo "$host : $depends"
    echo
    echo
}

setup_host() {
    host=$1
    KERNEL=$2
    KERNDIR=`dirname $KERNEL`