#! /bin/sh

#%
#% ifplumb - "plumb" and establish the IP addresses for IVES netras
#%
#% usage: ifplumb hosts       -- dumps a hosts file to be used from the outside
#%        ifplumb log         -- show the log for this machine
#%        ifplumb [-v] <mode> -- plumbs the interfaces
#%
#% where:
#%   -v     : optional verbose mode
#%   <mode> : controls the VIRTUAL  set of IPs: primary, secondary, or none
#%            NB. live sites run only on the primary machine, test on the secondary
#%            We are no longer using live and test to designate machines, rather primary and secondary
#%   <-nostick/-restore> 
#%            -nostick if being run from startup, -restore is command line and want appropriate database restore 
#% 
#% 
#% history:
#%   Feb 2001 : keef created
#%

if [ $# -lt 1 ]; then
	awk '/^#%/ {print substr($0,3)}' $0
	exit 0
fi

LOG="/etc/ifplumb.log"
BAR="-----------------------------------------------------------------------------"
PATH="/usr/ucb:/bin:/usr/bin:/usr/sbin"; export PATH
MacAddr=`ifconfig -a | awk '($1=="ether"){print $2; exit(0)}'`
VerboseMode=0

if [ "$1" = "-v" ]; then
	VerboseMode=1
	shift
fi

mode="$1"
nostick="$2"

box=""

#----------------------------------------------------------------------
VERB()
#----------------------------------------------------------------------
{
	if [ $VerboseMode -eq 1 ]; then
		if [ "$1" = "-n" ]; then
			shift
			echo -n "$*"
		else
			echo "$*"
		fi
	fi

} # VERB

#----------------------------------------------------------------------
# DETERMINE WHAT PHYSICAL MACHINE THIS IS:
#----------------------------------------------------------------------

# Note: this method does NOT work because if you UNPLUMB all the NICs,
# then you  no longer can get the MacAddr from ifconfig -a
#case "$MacAddr" in
#	"0:3:ba:b:ec:93")  box="ives1";;  # <-- IVES 1st Netra T1
#	"0:3:ba:f:40:e7")  box="ives2";;  # <-- IVES 2nd Netra T1
#esac

boxtmp="/tmp/ifplumb$$"
find /etc -name 'ifplumb.ives*' -print | while read file
do
	if [ "$box" = "" ]; then
		box=`echo $file | awk -F. '{print $2}'`
		echo "$box" > $boxtmp  # <-- we need to pass this back from the while loop
	else
		echo "ifplumb: too many identity file (schisophrenia):"
		find /etc -name 'ifplumb.ives*' -print | awk '{print "  ---> ", $0}'
		echo ""
		exit 1
	fi
done

[ $? -ne 0 ] && exit 1

if [ ! -f $boxtmp ]; then
	echo "ifplumb: missing identity file: /etc/ifplumb.ives???"
	exit 1
fi

box=`cat $boxtmp`
VERB "box = $box"

#----------------------------------------------------------------------
# HARDCODED SECTION:
#----------------------------------------------------------------------

EXTBASE="216.129.137"      # <-- given to us by lightband
EXTBROAD="216.129.137.63"  # <-- given to us by lightband
EXTMASK="255.255.255.240"  # <-- given to us by lightband

# FYI: lightband has given us .49 through .62 inclusive

EXTIVES1="49";   EXTIVES2="50"

# this bank is assigned to us from lightband: 
ACMELIVE="55";    ACMETEST="56"
LCDLIVE="59";     LCDTEST="51"
RIDGELIVE="60";   RIDGETEST="52"
VHOSTSLIVE="61";  VHOSTSTEST="53"
IVESSSLLIVE="62"; IVESSSLTEST="54"

# Note:
# 57 is the netopia router
# 58 goes to our linksys

# this bank is arbitrated by Ted:
INTBASE="192.168.1"        # <-- local area network in Manchaug
INTMASK="255.255.255.0"    # <-- local area network in Manchaug

INTIVES1="18"
INTIVES2="19"

if [ "$mode" = "hosts" ]; then
	cat <<-EOF
	# - - - - - - - - - - - - - - - - - - - - - - - -
	# IVES @ MANCHAUG (generated by /etc/ifplumb)
	# - - - - - - - - - - - - - - - - - - - - - - - -
	# static addresses to each physical machine for ssh connections:
	$EXTBASE.58	linksys server1
	$EXTBASE.$EXTIVES1	ives1 ives1ext ives1.ivesinc.com
	$EXTBASE.$EXTIVES2	ives2 ives2ext ives2.ivesinc.com

	# alternate addresses to each box (will only work within manchaug lan):
	$INTBASE.$INTIVES1	ives1int
	$INTBASE.$INTIVES2	ives2int

	# virtual IP addresses for browsers and testing:
	$EXTBASE.$LCDLIVE  legalcasedocs lcd
	$EXTBASE.$VHOSTSLIVE trivium triviumschool aworks accountabilityworks bot54 stats amal accmal accountingmalpractice execrunner dirmal directormalpractice cparunner jdrunner taxsearcher jdmal jdmalpractice sitemon
	$EXTBASE.$IVESSSLLIVE ivesinc ssl
	$EXTBASE.$LCDTEST	test.legalcasedocs test.lcd
	$EXTBASE.$VHOSTSTEST	test.trivium test.triviumschool test.aworks test.accountabilityworks test.bot54 test.stats test.amal test.accmal test.accountingmalpractice test.execrunner test.dirmal test.directormalpractice test.cparunner test.jdrunner test.taxsearcher test.jdmal test.jdmalpractice test.sitemon 
	$EXTBASE.$IVESSSLTEST	test.ivesinc testssl 
	EOF
	exit 0

elif [ "$box" = "log" ]; then
	cat /etc/ifplumb.log
	exit 0
fi

#----------------------------------------------------------------------
Log()
#----------------------------------------------------------------------
{
	Interface="$1"
	IPAddress="$2"
	Hostname="$3"
	Message="$4"
	Now=`date "+%a %m/%d/%Y %T"`

	echo "$Now|$Interface|$IPAddress|$Hostname|$Message" | nawk -F'|' \
		'{
			Now       = $1
			Interface = $2
			IPAddress = $3
			Hostname  = $4
			Message   = $5

			printf ("%s | %-7s | %-15.15s | %-16.16s| %s\n",
				Now, Interface, IPAddress, Hostname, Message)

		}' >> $LOG

} # Log

#----------------------------------------------------------------------
PlumbIt() # generic routine to plumb an interface on a Sun
#----------------------------------------------------------------------
{
	Interface="$1"
	IPAddress="$2"
	Broadcast="$3"
	Hostname="$4"
	Netmask="$5"

	VERB "$BAR"
	echo "plumbing $Interface for $Hostname..."
	VERB "$BAR"

	VERB -n "  bringing down interface $Interface ...  "
	sh -c "ifconfig $Interface down 2>&1" 2>&1 > /dev/null
	VERB ""

	Log $Interface $IPAddress $Hostname "brought interface down"

	VERB -n "  making sure no one is responding to $IPAddress yet ... "
	/usr/sbin/ping $IPAddress 1 1>&2 > /dev/null
	if [ $? -eq 0 ]; then
		VERB "ERROR!"
		echo "  ERROR: $IPAddress is ALREADY IN USE."
		echo "  --> leaving interface $Interface DOWN -- $Hostname questionable"
		Log $Interface $IPAddress $Hostname "ALREADY IN USE"
		return;
	else
		VERB "good (no answer)."
	fi

	VERB "  plumbing the interface ... "
	ifconfig $Interface plumb
	VERB "  --> ifconfig $Interface inet $IPAddress netmask $Netmask broadcast $Broadcast up"
	ifconfig $Interface inet $IPAddress netmask $Netmask broadcast $Broadcast up

	VERB -n "  making sure the interface is up on $IPAddress ... "
	/usr/sbin/ping $IPAddress 1 1>&2 > /dev/null
	if [ $? -ne 0 ]; then
		VERB "ERROR!"
		echo "  ERROR: failed to get interface $Interface to respond to $IPAddress"
		echo "  --> $Hostname is BROKEN."
		Log $Interface $IPAddress $Hostname "FAILED TO COME UP"
		return;
	else
		VERB "good (we got a response)."
	fi

	VERB -n "  making this config 'stick' after reboot ... "
	echo "$Hostname" > /etc/hostname.$Interface
	if [ $? -ne 0 ]; then
		VERB "ERROR!"
		Log $Interface $IPAddress $Hostname "could not write 'hostname.$Interface'"
	else
		VERB "done"
	fi

	Log $Interface $IPAddress $Hostname "interface is up"

	VERB ""

} # PlumbIt

#----------------------------------------------------------------------
# MAIN
#----------------------------------------------------------------------

cat <<-EOF >> $LOG
	+-$BAR
	| ifplumb $* ...
	+-$BAR
EOF

case "$box" in
	ives1)
		#       --------- -------------------- ------------- ---------------------          ----------
		#       INTERFACE IP-ADDRESS           BROADCAST     CANONICAL-HOSTNAME             NETMASK
		#       --------- -------------------- ------------- ---------------------          ----------
		PlumbIt dmfe0     $EXTBASE.$EXTIVES1   $EXTBROAD     ives1.ivesinc.com              $EXTMASK
		PlumbIt dmfe1     $INTBASE.$INTIVES1   $INTBASE.255  ives1int                       $INTMASK 
		#       --------- -------------------- ------------- ---------------------          ----------
		hostname ives1.ivesinc.com
		;;
	ives2)
		#       --------- -------------------- ------------- ---------------------          ----------
		#       INTERFACE IP-ADDRESS           BROADCAST     CANONICAL-HOSTNAME             NETMASK
		#       --------- -------------------- ------------- ---------------------          ----------
		PlumbIt dmfe0     $EXTBASE.$EXTIVES2   $EXTBROAD     ives2.ivesinc.com              $EXTMASK
		PlumbIt dmfe1     $INTBASE.$INTIVES2   $INTBASE.255  ives2int                       $INTMASK 
		#       --------- -------------------- ------------- ---------------------          ----------
		hostname ives2.ivesinc.com
		;;
	*)
		echo "ifplumb: invalid box '$box'."
		awk '/^#%/ {print substr($0,3)}' $0
		exit 0
		;;	
esac

case "$mode" in
	primary)
		touch /etc/ifplumb.i_THIS_MACHINE_IS_PRIMARY
		sh -c "rm  /etc/ifplumb.i_THIS_MACHINE_IS_SECONDARY 2>&1"  2>&1 > /dev/null
		sh -c "rm  /etc/ifplumb.i_THIS_MACHINE_IS_OFFLINE 2>&1"   2>&1 > /dev/null
		#       --------- -------------------- ------------- ---------------------          ----------
		#       INTERFACE IP-ADDRESS           BROADCAST     CANONICAL-HOSTNAME             NETMASK
		#       --------- -------------------- ------------- ---------------------          ----------
		PlumbIt dmfe0:1   $EXTBASE.$LCDLIVE    $EXTBROAD     www.legalcasedocs.com          $EXTMASK
		PlumbIt dmfe0:2   $EXTBASE.$RIDGELIVE  $EXTBROAD     www.ridgeware.com              $EXTMASK
		PlumbIt dmfe0:3   $EXTBASE.$VHOSTSLIVE $EXTBROAD     vhostslive                     $EXTMASK
		PlumbIt dmfe0:4   $EXTBASE.$IVESSSLLIVE $EXTBROAD    www.ivesinc.com                $EXTMASK
		PlumbIt dmfe0:5   $EXTBASE.$ACMELIVE   $EXTBROAD     www.acmemarble.com             $EXTMASK
		#       --------- -------------------- ------------- ---------------------
		;;

	secondary)
		touch /etc/ifplumb.i_THIS_MACHINE_IS_SECONDARY
		sh -c "rm /etc/ifplumb.i_THIS_MACHINE_IS_PRIMARY 2>&1"   2>&1 > /dev/null
		sh -c "rm  /etc/ifplumb.i_THIS_MACHINE_IS_OFFLINE 2>&1"   2>&1 > /dev/null
		#       --------- -------------------- ------------- ---------------------           ---------
		#       INTERFACE IP-ADDRESS           BROADCAST     CANONICAL-HOSTNAME              NETMASK
		#       --------- -------------------- ------------- ---------------------           ---------
		PlumbIt dmfe0:1   $EXTBASE.$LCDTEST    $EXTBROAD     test.legalcasedocs.com          $EXTMASK
		PlumbIt dmfe0:2   $EXTBASE.$RIDGETEST  $EXTBROAD     test.ridgeware.com              $EXTMASK
		PlumbIt dmfe0:3   $EXTBASE.$VHOSTSTEST $EXTBROAD     vhoststest                      $EXTMASK
		PlumbIt dmfe0:4   $EXTBASE.$IVESSSLTEST $EXTBROAD    test.ivesinc.com                $EXTMASK
		PlumbIt dmfe0:5   $EXTBASE.$ACMETEST   $EXTBROAD     test.acmemarble.com             $EXTMASK
		#       --------- -------------------- ------------- ---------------------
		;;

	none)
		touch  /etc/ifplumb.i_THIS_MACHINE_IS_OFFLINE
		sh -c "rm /etc/ifplumb.i_THIS_MACHINE_IS_PRIMARY 2>&1"  2>&1 > /dev/null
		sh -c "rm  /etc/ifplumb.i_THIS_MACHINE_IS_SECONDARY 2>&1"   2>&1 > /dev/null

		ifconfig dmfe0:1 down; Log dmfe0:1 "" "" "brought interface down"
		ifconfig dmfe0:2 down; Log dmfe0:2 "" "" "brought interface down"
		ifconfig dmfe0:3 down; Log dmfe0:3 "" "" "brought interface down"
		ifconfig dmfe0:4 down; Log dmfe0:4 "" "" "brought interface down"
		;;
	*)
		echo "ifplumb: invalid mode '$mode'."
		awk '/^#%/ {print substr($0,3)}' $0
		exit 0
		;;	
esac

# cmdline only: this section gets skipped if its being called during bootstrap:
if [ "$nostick" != "-nostick" ]; then
	Log "dmfe0:*" $EXTBASE.* "" "/etc/rc*.d/S02ifplumb..."

	VERB "$BAR"
	echo "[re]creating SysV startup scripts in /etc/rc*.d..."
	VERB "$BAR"
	VERB "  giving runmode 1 $box's physical addresses..."
	cat <<-EOF > /etc/rc1.d/S02ifplumb
		#! /bin/sh
		/etc/ifplumb none -nostick
	EOF
	chmod a+rx /etc/rc1.d/S02ifplumb

	VERB "  giving runmode 2&3 the virtual identity '$mode'..."
	cat <<-EOF > /etc/rc2.d/S02ifplumb
		#! /bin/sh
		/etc/ifplumb $mode -nostick
	EOF
	chmod a+rx /etc/rc2.d/S02ifplumb

	VERB "  ok: this network identity should stick in case the machine bounces."
	VERB ""

fi

if [ "$nostick" = "-restore" ]; then
	/etc/restoredbs -run tturner@ivesinc.com,mnohrden@ivesinc.com,joe@ridgeware.com,esturner3@attbi.com 
fi

if [ $VerboseMode -eq 1 ]; then
	echo "% ives ..."
	/usr/local/bin/ives
fi