Move main pfSense content to src/

2 files changed, 445 insertions, 0 deletions

diff --git a/src/sbin/athctrl.sh b/src/sbin/athctrl.sh
new file mode 100755
index 0000000..6ba35ff
--- /dev/null
+++ b/src/sbin/athctrl.sh
@@ -0,0 +1,41 @@
+#!/bin/sh
+#
+# Set the IFS parameters for an interface configured for
+# point-to-point use at a specific distance.  Based on a
+# program by Gunter Burchardt.
+#
+DEV=ath0
+d=0
+
+usage()
+{
+	echo "Usage: $0 [-i athX] [-d meters]"
+	exit 2
+}
+
+args=`getopt d:i: $*`
+test $? -ne 0 && usage
+
+set -- $args
+for i; do
+	case "$i" in
+	-i)	DEV="$2"; shift; shift;;
+	-d)	d="$2"; shift; shift;;
+	--)	shift; break;
+	esac
+done
+
+test $d -eq 0 && usage
+
+slottime=`expr 9 + \( $d / 300 \)`
+if expr \( $d % 300 \) != 0 >/dev/null 2>&1; then
+	slottime=`expr $slottime + 1`
+fi
+timeout=`expr $slottime \* 2 + 3`
+
+printf "Setup IFS parameters on interface ${DEV} for %i meter p-2-p link\n" $d
+ATHN=`echo $DEV | sed 's/ath//'`
+sysctl dev.ath.$ATHN.slottime=$slottime
+sysctl dev.ath.$ATHN.acktimeout=$timeout
+sysctl dev.ath.$ATHN.ctstimeout=$timeout
+
diff --git a/src/sbin/dhclient-script b/src/sbin/dhclient-script
new file mode 100755
index 0000000..9d71aaf
--- /dev/null
+++ b/src/sbin/dhclient-script
@@ -0,0 +1,404 @@
+#!/bin/sh
+# $Id$
+# $OpenBSD: dhclient-script,v 1.6 2004/05/06 18:22:41 claudio Exp $
+# $FreeBSD: src/sbin/dhclient/dhclient-script,v 1.4 2005/06/10 03:41:18 brooks Exp $
+#
+# Copyright (c) 2003 Kenneth R Westerback <krw@openbsd.org>
+#
+# Permission to use, copy, modify, and distribute this software for any
+# purpose with or without fee is hereby granted, provided that the above
+# copyright notice and this permission notice appear in all copies.
+#
+# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+# OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+#
+
+NETSTAT=/usr/bin/netstat
+GREP=/usr/bin/grep
+AWK=/usr/bin/awk
+HOSTNAME=/bin/hostname
+GREP=/usr/bin/grep
+ROUTE=/sbin/route
+SED=/usr/bin/sed
+ARP=/usr/sbin/arp
+IFCONFIG=/sbin/ifconfig
+PFCTL=/sbin/pfctl
+
+LOCALHOST=127.0.0.1
+
+if [ -x /usr/bin/logger ]; then
+	LOGGER="/usr/bin/logger -s -p user.notice -t dhclient"
+else
+	LOGGER="echo"
+fi
+
+#
+# Helper functions that implement common actions.
+#
+
+check_hostname() {
+	current_hostname=`$HOSTNAME`
+	if [ -z "$current_hostname" ] || \
+	   [ "$current_hostname" = "$old_host_name" -a \
+	     "$new_hostname" != "$old_host_name" ]; then
+		$LOGGER "New Hostname ($interface): $new_host_name"
+		$HOSTNAME $new_host_name
+	fi
+}
+
+arp_flush() {
+	$ARP -an -i $interface | \
+		$SED -n -e 's/^.*(\(.*\)) at .*$/arp -d \1/p' | \
+		/bin/sh >/dev/null 2>&1
+}
+
+# NOTE: use of the below has been disabled because rc.newwanip handles this correctly and this
+# unnecessarily killed states in multiple circumstances. Leaving here for now, should be safe
+# to remove later.  -cmb 20141105
+delete_old_states() {
+	$LOGGER "Starting delete_old_states()"
+	_FLUSHED=0
+	# If the IP changed, remove states from the old one
+	if [ -f /var/db/${interface}_ip ]; then
+		OLD_IP=`cat /var/db/${interface}_ip`
+		$LOGGER "Comparing IPs: Old: ${OLD_IP} New: ${new_ip_address}"
+		if [ -n "${OLD_IP}" ] && [ "${OLD_IP}" != "${new_ip_address}" ]; then
+			$LOGGER "Removing states from old IP '${OLD_IP}' (new IP '${new_ip_address}')"
+			${PFCTL} -i $interface -Fs
+			${PFCTL} -K ${OLD_IP}/32
+			_FLUSHED=1
+		fi
+	fi
+	# Delete states through old gateway if it's not the same
+	OLD_ROUTER=""
+	if [ -n "${old_routers}" ]; then
+		OLD_ROUTER=$old_routers
+	elif [ -f /tmp/${interface}_router ]; then
+		OLD_ROUTER=`cat /tmp/${interface}_router`
+	fi
+	if [ ${_FLUSHED} -eq 0 -a -n "${OLD_ROUTER}" ]; then
+		$LOGGER "Comparing Routers: Old: ${OLD_ROUTER} New: ${new_routers}"
+		if [ "${OLD_ROUTER}" != "${new_routers}" ]; then
+			$LOGGER "Removing states through old gateway '${OLD_ROUTER}' (new gateway '${new_routers}')"
+			${PFCTL} -i $interface -Fs
+		fi
+	fi
+}
+
+delete_old_address() {
+	/bin/rm -f /var/db/${interface}_ip
+	$IFCONFIG $interface inet -alias $old_ip_address $medium
+}
+
+add_new_address() {
+
+	$LOGGER "Starting add_new_address()"
+
+	$LOGGER "ifconfig $interface inet $new_ip_address netmask $new_subnet_mask broadcast $new_broadcast_address $medium"
+
+	$IFCONFIG $interface \
+		inet $new_ip_address \
+		netmask $new_subnet_mask \
+		broadcast $new_broadcast_address \
+		$medium
+	$IFCONFIG $interface setfirst $new_ip_address
+
+	$LOGGER "New IP Address ($interface): $new_ip_address"
+	$LOGGER "New Subnet Mask ($interface): $new_subnet_mask"
+	$LOGGER "New Broadcast Address ($interface): $new_broadcast_address"
+	$LOGGER "New Routers ($interface): $new_routers"
+
+
+	# This is necessary otherwise apinger will try to ping all 1s address
+	if [ -n "$new_routers" ] && [ "$new_routers" != "255.255.255.255" ]; then
+		echo $new_routers > /tmp/${interface}_router
+	fi
+	echo $new_ip_address > /var/db/${interface}_ip
+}
+
+delete_old_alias() {
+	if [ -n "$alias_ip_address" ]; then
+		$IFCONFIG $interface inet -alias $alias_ip_address > /dev/null 2>&1
+		$ROUTE delete $alias_ip_address $LOCALHOST > /dev/null 2>&1
+	fi
+}
+
+add_new_alias() {
+	if [ -n "$alias_ip_address" ]; then
+		$IFCONFIG $interface inet alias $alias_ip_address netmask \
+		    $alias_subnet_mask
+		$ROUTE add $alias_ip_address $LOCALHOST
+	fi
+}
+
+fill_classless_routes() {
+	set $1
+	while [ $# -ge 5 ]; do
+		if [ $1 -eq 0 ]; then
+			route="default"
+		elif [ $1 -le 8 ]; then
+			route="$2.0.0.0/$1"
+			shift
+		elif [ $1 -le 16 ]; then
+			route="$2.$3.0.0/$1"
+			shift; shift
+		elif [ $1 -le 24 ]; then
+			route="$2.$3.$4.0/$1"
+			shift; shift; shift
+		else
+			route="$2.$3.$4.$5/$1"
+			shift; shift; shift; shift
+		fi
+		shift
+		router="$1.$2.$3.$4"
+		classless_routes="$classless_routes $route $router"
+		shift; shift; shift; shift
+	done
+}
+
+delete_old_routes() {
+	$LOGGER "Deleting old routes"
+
+	if [ -n "$old_classless_routes" ]; then
+		fill_classless_routes "$old_classless_routes"
+		set $classless_routes
+		while [ $# -gt 1 ]; do
+			route delete "$1" "$2"
+			shift; shift
+		done
+		return 0;
+	fi
+
+	# Only allow the default route to be overridden if it's on our own interface
+	if [ -f "/tmp/${interface}_defaultgw" ]; then
+		for router in $old_routers; do
+			$ROUTE delete default $router >/dev/null 2>&1
+			/bin/rm -f /tmp/${interface}_router
+		done
+	fi
+
+	if [ -n "$old_static_routes" ]; then
+		set $old_static_routes
+		while [ $# -gt 1 ]; do
+			$ROUTE delete "$1" "$2"
+			shift; shift
+			/bin/rm -f /tmp/${interface}_router
+		done
+	fi
+
+	arp_flush
+}
+
+add_new_routes() {
+	$LOGGER "Adding new routes to interface: $interface"
+
+	# RFC 3442: If the DHCP server returns both a Classless Static
+	# Routes option and a Router option, the DHCP client MUST ignore
+	# the Router option.
+	#
+	# DHCP clients that support this option (Classless Static Routes)
+	# MUST NOT install the routes specified in the Static Routes
+	# option (option code 33) if both a Static Routes option and the
+	# Classless Static Routes option are provided.
+	if [ -n "$new_classless_routes" ]; then
+		fill_classless_routes "$new_classless_routes"
+		$LOGGER "New Classless Static Routes ($interface): $classless_routes"
+		set $classless_routes
+		while [ $# -gt 1 ]; do
+			if [ "0.0.0.0" = "$2" ]; then
+				route add "$1" -iface "$interface"
+			else
+				route add "$1" "$2"
+			fi
+			shift; shift
+		done
+		return
+	fi
+
+	ADDED_ROUTE=no
+	EXISTSGW=`/bin/ls -l /tmp/*_defaultgw | /usr/bin/wc -l`
+	# Only allow the default route to be overridden if it's on our own interface
+	if [ -f "/tmp/${interface}_defaultgw" -o $EXISTSGW -eq 0 ]; then
+		$ROUTE delete default
+		for router in $new_routers; do
+			if [ "$new_ip_address" = "$router" -o "$router" = "255.255.255.255" ]; then
+				$ROUTE add default -iface $interface
+				echo $ROUTE add default -iface $interface | $LOGGER
+				# NOTE: Do not activate this for all ones address since pf(4) will try to forward packets to it.
+				if [ "$new_ip_address" = "$router" ]; then
+					echo $router > /tmp/${interface}_router
+				fi
+			else
+				$ROUTE add default $router
+				echo $ROUTE add default $router | $LOGGER
+				echo $router > /tmp/${interface}_router
+			fi
+			ADDED_ROUTE=yes
+			# 2nd and subsequent default routers error out, so explicitly
+			# stop processing the list after the first one.
+			break
+		done
+	fi
+
+	if [ -n "$new_static_routes" ]; then
+		$LOGGER "New Static Routes ($interface): $new_static_routes"
+		set $new_static_routes
+		while [ $# -gt 1 ]; do
+			$ROUTE add $1 $2
+			if [ "$ADDED_ROUTE" = "no" ]; then
+				echo $2 > /tmp/${interface}_router
+			fi
+			shift; shift
+		done
+	fi
+}
+
+add_new_resolv_conf() {
+	$LOGGER "Creating resolv.conf"
+	if [ -f "/var/etc/nameserver_$interface" ]; then
+		# Remove old entries
+		for nameserver in `cat /var/etc/nameserver_$interface`; do
+			$ROUTE delete $nameserver >/dev/null 2>&1
+		done
+	fi
+	if [ -n "$new_domain_name_servers" ]; then
+		/bin/rm -f /var/etc/nameserver_$interface
+		ALLOWOVERRIDE=`/usr/bin/grep dnsallowoverride /conf/config.xml | /usr/bin/wc -l`
+		for nameserver in $new_domain_name_servers; do
+			# Add a route to the nameserver out the correct interface
+			# so that mulitple wans work correctly with multiple dns
+			# also backup the nameserver for later route removal
+			if [ $ALLOWOVERRIDE -gt 0 ]; then
+				echo $nameserver >>/var/etc/nameserver_$interface
+				$ROUTE add $nameserver -iface $interface
+			fi
+		done
+		echo $new_domain_name >/var/etc/searchdomain_$interface
+	fi
+
+	return 0
+}
+
+# Notify rc.newwanip of changes to an interface
+notify_rc_newwanip() {
+	/usr/local/sbin/pfSctl -c "interface newip $interface"
+}
+
+#
+# Start of active code.
+#
+
+# Invoke the local dhcp client enter hooks, if they exist.
+if [ -f /etc/dhclient-enter-hooks ]; then
+	$LOGGER "dhclient-enter-hooks"
+	exit_status=0
+	. /etc/dhclient-enter-hooks
+	# allow the local script to abort processing of this state
+	# local script must set exit_status variable to nonzero.
+	if [ $exit_status -ne 0 ]; then
+		exit $exit_status
+	fi
+fi
+
+#if [ -x $ROUTE ]; then
+#	if_defaultroute=`$ROUTE -n get -inet default | $GREP interface | $AWK '{print $2}'`
+#else
+#	$LOGGER "if_defaultroute"
+#	if_defaultroute="x"
+#fi
+
+$LOGGER $reason
+case $reason in
+MEDIUM)
+	$IFCONFIG $interface $medium
+	$IFCONFIG $interface inet -alias 0.0.0.0 $medium >/dev/null 2>&1
+	/bin/sleep 1
+	;;
+
+PREINIT)
+	delete_old_alias
+	$IFCONFIG $interface inet 0.0.0.0 netmask 255.0.0.0 broadcast 255.255.255.255 up
+	/bin/rm -f /tmp/${interface}_router
+	;;
+
+ARPCHECK|ARPSEND)
+	;;
+
+BOUND|RENEW|REBIND|REBOOT)
+	check_hostname
+	changes="no"
+	if [ -n "$old_ip_address" ]; then
+		if [ -n "$alias_ip_address" ] && \
+		   [ "$old_ip_address" != "$alias_ip_address" ]; then
+			delete_old_alias
+			changes="yes"
+		fi
+		if [ "$old_ip_address" != "$new_ip_address" ]; then
+			delete_old_address
+			delete_old_routes
+			changes="yes"
+		fi
+	fi
+	if [ "$reason" = BOUND ] || \
+	   [ "$reason" = REBOOT ] || \
+	   [ -z "$old_ip_address" ] || \
+	   [ "$old_ip_address" != "$new_ip_address" ]; then
+		add_new_address
+		add_new_routes
+		changes="yes"
+	fi
+	if [ -n "$alias_ip_address" ] && \
+       [ "$new_ip_address" != "$alias_ip_address" ]; then
+		add_new_alias
+		changes="yes"
+	fi
+	add_new_resolv_conf
+	if [ "$changes" = "yes" ] ; then
+		notify_rc_newwanip
+	fi
+	;;
+
+EXPIRE|FAIL)
+	delete_old_alias
+	if [ -n "$old_ip_address" ]; then
+		delete_old_address
+		delete_old_routes
+	fi
+	;;
+
+TIMEOUT)
+	delete_old_alias
+	add_new_address
+	/bin/sleep 1
+	if [ -n "$new_routers" ]; then
+		$LOGGER "New Routers ($interface): $new_routers"
+		set "$new_routers"
+		if /sbin/ping -q -c 1 -t 1 "$1"; then
+			if [ "$new_ip_address" != "$alias_ip_address" ]; then
+				add_new_alias
+			fi
+			add_new_routes
+			if add_new_resolv_conf; then
+				notify_rc_newwanip
+			fi
+		fi
+	fi
+	$IFCONFIG $interface inet -alias $new_ip_address $medium
+	delete_old_routes
+	;;
+esac
+
+# Invoke the local dhcp client exit hooks, if they exist.
+if [ -f /etc/dhclient-exit-hooks ]; then
+	$LOGGER "dhclient-exit-hooks"
+	exit_status=0
+	. /etc/dhclient-exit-hooks
+	# allow the local script to abort processing of this state
+	# local script must set exit_status variable to nonzero.
+	exit $exit_status
+fi