large init script cleanup and merge of whiterussian changes, new dnsmasq config handling

git-svn-id: svn://svn.openwrt.org/openwrt/trunk/openwrt@3588 3c298f89-4303-0410-b956-a3cf2f4a3e73

13 files changed, 67 insertions, 251 deletions

diff --git a/package/base-files/default/etc/firewall.user b/package/base-files/default/etc/firewall.user
deleted file mode 100755
index 5774f0c64..000000000
--- a/package/base-files/default/etc/firewall.user
+++ /dev/null
@@ -1,29 +0,0 @@
-#!/bin/sh
-. /etc/functions.sh
-. /etc/network.overrides
-[ "$FAILSAFE" != "true" -a -e /etc/config/network ] && . /etc/config/network
-
-WAN=$(nvram get wan_ifname)
-LAN=$(nvram get lan_ifname)
-
-iptables -F input_rule
-iptables -F output_rule
-iptables -F forwarding_rule
-iptables -t nat -F prerouting_rule
-iptables -t nat -F postrouting_rule
-
-### BIG FAT DISCLAIMER
-### The "-i $WAN" literally means packets that came in over the $WAN interface;
-### this WILL NOT MATCH packets sent from the LAN to the WAN address.
-
-### Allow SSH on the WAN interface
-# iptables -t nat -A prerouting_rule -i $WAN -p tcp --dport 22 -j ACCEPT 
-# iptables        -A input_rule      -i $WAN -p tcp --dport 22 -j ACCEPT
-
-### Port forwarding
-# iptables -t nat -A prerouting_rule -i $WAN -p tcp --dport 22 -j DNAT --to 192.168.1.2
-# iptables        -A forwarding_rule -i $WAN -p tcp --dport 22 -d 192.168.1.2 -j ACCEPT
-
-### DMZ (should be placed after port forwarding / accept rules)
-# iptables -t nat -A prerouting_rule -i $WAN -j DNAT --to 192.168.1.2
-# iptables        -A forwarding_rule -i $WAN -d 192.168.1.2 -j ACCEPT
diff --git a/package/base-files/default/etc/functions.sh b/package/base-files/default/etc/functions.sh
index e7126473f..526ca52dd 100755
--- a/package/base-files/default/etc/functions.sh
+++ b/package/base-files/default/etc/functions.sh
@@ -1,6 +1,4 @@
 #!/bin/sh
-. /etc/nvram.sh
-
 alias debug=${DEBUG:-:}
 
 # valid interface?
@@ -13,27 +11,3 @@ if_valid () (
 hotplug_dev() {
 	env -i ACTION=$1 INTERFACE=$2 /sbin/hotplug net
 }
-
-bitcount () {
-  local c=$1
-  echo $((
-  c=((c>> 1)&0x55555555)+(c&0x55555555),
-  c=((c>> 2)&0x33333333)+(c&0x33333333),
-  c=((c>> 4)&0x0f0f0f0f)+(c&0x0f0f0f0f),
-  c=((c>> 8)&0x00ff00ff)+(c&0x00ff00ff),
-  c=((c>>16)&0x0000ffff)+(c&0x0000ffff)
-  ))
-}
-
-valid_netmask () {
-  return $((-($1)&~$1))
-}
-
-ip2int () (
-  set $(echo $1 | tr '\.' ' ')
-  echo $(($1<<24|$2<<16|$3<<8|$4))
-)
-
-int2ip () {
-  echo $(($1>>24&255)).$(($1>>16&255)).$(($1>>8&255)).$(($1&255))
-}
diff --git a/package/base-files/default/etc/hotplug.d/net/10-net b/package/base-files/default/etc/hotplug.d/net/10-net
index 0f384ec46..4bb69378f 100644
--- a/package/base-files/default/etc/hotplug.d/net/10-net
+++ b/package/base-files/default/etc/hotplug.d/net/10-net
@@ -1,32 +1,28 @@
 #!/bin/sh
-setup_eth()
-{
-	for part in $(nvram get unused_ifnames); do
-		[ "$part" = "$INTERFACE" ] && exit 0
-	done
-	ifconfig "$INTERFACE" up 2>&- >&-
-}
-
 find_name()
 {
-	pppoa_ifname="atm0" # hack for ppp over atm, which has no ${proto}_ifname
-	interfaces="lan wan wifi $(nvram get ifnames)"
-	for ifname in $interfaces; do
+	for ifname in lan wan wifi ${ifnames}; do
 		IFTYPE="${ifname}"
-		IFPROTO="$(nvram get ${IFTYPE}_proto)"
-		IFACE="$(nvram get ${IFTYPE}_ifname)"
+		eval "IFPROTO=\"\${${IFTYPE}_proto}\""
+		eval "IFACE=\"\${${IFTYPE}_ifname}\""
 		case "$IFPROTO" in
 			""|none);;
 			static|dhcp)
 				[ "${IFACE}" = "$INTERFACE" ] && return 0
 				[ "${IFACE%%[0-9]*}" = "br" ] && {
-					for part in $(nvram get ${IFTYPE}_ifnames); do
+					eval "ifs=\"\${${IFTYPE}_ifnames}\""
+					for part in $ifs; do
 						[ "$part" = "$INTERFACE" ] && return 0
 					done
 				}
 			;;
+			pppoa)
+				[ "$INTERFACE" = "atm0" \
+				  -a -x /sbin/ifup.${IFPROTO} ] && return 0
+			;;
 			*)
-				[ "$(nvram get ${IFTYPE}_device)" = "$INTERFACE" \
+				eval "device=\"\${${IFTYPE}_device}\""
+				[ "$device" = "$INTERFACE" \
 				  -a -x /sbin/ifup.${IFPROTO} ] && return 0
 			;;
 		esac
@@ -39,17 +35,18 @@ find_name()
 
 do_ifup() {
 	if="$3"
-	if_proto="$(nvram get ${2}_proto)"
+	eval "if_proto=\"\${${2}_proto}\""
 	
 	pidfile=/var/run/${if}.pid
 	[ -f $pidfile ] && $DEBUG kill $(cat $pidfile)
 
 	case "$1" in
 		static)
-			ip=$(nvram get ${2}_ipaddr)
-			ip6=$(nvram get ${2}_ip6addr)
-			netmask=$(nvram get ${2}_netmask)
-			gateway=$(nvram get ${2}_gateway)
+			eval "ip=\"\${${2}_ipaddr}\""
+			eval "ip6=\"\${${2}_ip6addr}\""
+			eval "netmask=\"\${${2}_netmask}\""
+			eval "gateway=\"\${${2}_gateway}\""
+			eval "dns=\"\${${2}_dns}\""
 	
 			$DEBUG ifconfig $if $ip ${netmask:+netmask $netmask} broadcast + up
 			[ -n "$ip6" ] && $DEBUG ifconfig $if add $ip6
@@ -58,24 +55,25 @@ do_ifup() {
 	
 			[ -f /tmp/resolv.conf ] || {
 				debug "# --- creating /tmp/resolv.conf ---"
-				for dns in $(nvram get ${2}_dns); do
-					echo "nameserver $dns" >> /tmp/resolv.conf
+				for ns in $dns; do
+					echo "nameserver $ns" >> /tmp/resolv.conf
 				done
 			}
 			
 			env -i ACTION="ifup" INTERFACE="${2}" PROTO=static /sbin/hotplug "iface" &
 		;;
 		dhcp)
-			DHCP_IP=$(nvram get ${2}_ipaddr)
-			DHCP_NETMASK=$(nvram get ${2}_netmask)
+			eval "ip=\"\${${2}_ipaddr}\""
+			eval "netmask=\"\${${2}_netmask}\""
+			eval "hostname=\"\${${2}_hostname}\""
+			
 			$DEBUG ifconfig $if $ip ${netmask:+netmask $netmask} broadcast + up
 	
-			DHCP_ARGS="-i $if ${DHCP_IP:+-r $DHCP_IP} -b -p $pidfile"
-			DHCP_HOSTNAME=$(nvram get ${2}_hostname)
-			DHCP_HOSTNAME=${DHCP_HOSTNAME%%.*}
-			[ -z $DHCP_HOSTNAME ] || DHCP_ARGS="$DHCP_ARGS -H $DHCP_HOSTNAME"
-			[ "$if_proto" = "pptp" ] && DHCP_ARGS="$DHCP_ARGS -n -q" || DHCP_ARGS="$DHCP_ARGS -R &"
-			${DEBUG:-eval} "udhcpc $DHCP_ARGS"
+			args="-i $if ${ip:+-r $ip} -b -p $pidfile"
+			hostname="${hostname%%.*}"
+			args="$args${hostname:+ -H $hostname}"
+			[ "$if_proto" = "pptp" ] && args="$args -n -q" || args="$args -R &"
+			${DEBUG:-eval} "udhcpc $args"
 			# hotplug events are handled by /usr/share/udhcpc/default.script
 		;;
 		*)
@@ -88,25 +86,23 @@ do_ifup() {
 
 do_register()
 {
-	case "${INTERFACE%%[0-9]*}" in
-		eth) setup_eth;;
-	esac
-
 	[ -z "$IFTYPE" -o -z "$IFPROTO" ] && {
 		find_name || {
 			case "${INTERFACE%%[0-9]*}" in
 				wds) 
-					for tmp in lan wifi; do
-						[ -z "$IFPROTO" ] && [ "$(nvram get ${tmp}_ifname)" = "br0" ] && {
-							IFPROTO="$(nvram get ${tmp}_proto)"
+					for ifname in lan wifi; do
+						eval "if=\"\${${ifname}_ifname}\""
+						[ -z "$IFPROTO" ] && [ "$if" = "br0" ] && {
+							eval "IFPROTO=\"\${${2}_proto}\""
 							IFTYPE="${tmp}"
 						}
 					done
 					[ -z "$IFPROTO" ] && return 0
 				;;
 				atm)
-					for tmp in lan wan wifi $(nvram get ifnames); do
-						[ "$(nvram get ${tmp}_proto)" = "pppoa" ] && {
+					for tmp in lan wan wifi ${ifnames}; do
+						eval "if_proto=\"\${${2}_proto}\""
+						[ "$if_proto" = "pppoa" ] && {
 							do_ifup "pppoa" "$tmp" "$INTERFACE"
 							return 0
 						}
@@ -122,16 +118,16 @@ do_register()
 	case "${INTERFACE%%[0-9]*}" in 
 		ppp|atm);;
 		*)
-			mac=$(nvram get ${IFTYPE}_hwaddr)
+			eval "mac=\"\${${IFTYPE}_hwaddr}\""
 			${mac:+$DEBUG ifconfig $INTERFACE down hw ether $mac}
 		;;
 	esac
 
-	if="$(nvram get ${IFTYPE}_ifname)"
+	eval "if=\"\${${IFTYPE}_ifname}\""
 	if [ "${if%%[0-9]}" = "br" ]; then
 		if_valid "$INTERFACE" && {
 			ifconfig "$if" 2>&- >&- || {
-				stp=$(nvram get ${IFTYPE}_stp)
+				eval "stp=\"\${${IFTYPE}_stp}\""
 				$DEBUG brctl addbr "$if"
 				$DEBUG brctl setfd "$if" 0
 				$DEBUG brctl stp "$if" "${stp:-0}"
@@ -151,8 +147,9 @@ do_register()
 }
 
 do_unregister() {
-	[ -z "$IFTYPE" -o -z "$IFPROTO" ] && find_name
-	[ -z "$IFTYPE" -o -z "$IFPROTO" ] && return 0
+	[ -z "$IFTYPE" -o -z "$IFPROTO" ] && {
+		find_name || return 0
+	}
 	
 	[ "${IFACE%%[0-9]*}" = "br" ] && {
 		if [ "$INTERFACE" != "$IFACE" ]; then
diff --git a/package/base-files/default/etc/init.d/S10boot b/package/base-files/default/etc/init.d/S10boot
index 02fddee7b..0cc519d8e 100755
--- a/package/base-files/default/etc/init.d/S10boot
+++ b/package/base-files/default/etc/init.d/S10boot
@@ -1,14 +1,9 @@
 #!/bin/sh
-. /etc/nvram.sh
-
-[ "$(uname -r|grep -c 2.4)" = "1" ] && {
-        echo "S" > /proc/jffs2_bbc
-}
 
+[ -f /proc/jffs2_bbc ] && echo "S" > /proc/jffs2_bbc
 vconfig set_name_type VLAN_PLUS_VID_NO_PAD
 
-HOSTNAME=$(nvram get wan_hostname)
-HOSTNAME=${HOSTNAME%%.*}
+HOSTNAME=${wan_hostname%%.*}
 echo ${HOSTNAME:=OpenWrt}>/proc/sys/kernel/hostname
 
 mkdir -p /var/run
diff --git a/package/base-files/default/etc/init.d/S40network b/package/base-files/default/etc/init.d/S40network
deleted file mode 100755
index 168fd2979..000000000
--- a/package/base-files/default/etc/init.d/S40network
+++ /dev/null
@@ -1,16 +0,0 @@
-#!/bin/sh
-. /etc/functions.sh
-[ "$FAILSAFE" != "true" -a -e /etc/config/network ] && . /etc/config/network
-case "$1" in
-  start|restart)
-#    ifup lan
-#    ifup wan
-#    ifup wifi
-#    wifi up
-
-    for route in $(nvram get static_route); do {
-      eval "set $(echo $route | sed 's/:/ /g')"
-      $DEBUG route add -net $1 netmask $2 gw $3 metric $4 dev $5
-    } done
-    ;;
-esac
diff --git a/package/base-files/default/etc/init.d/S45firewall b/package/base-files/default/etc/init.d/S45firewall
deleted file mode 100755
index 8c67d82b1..000000000
--- a/package/base-files/default/etc/init.d/S45firewall
+++ /dev/null
@@ -1,96 +0,0 @@
-#!/bin/sh
-
-## Please make changes in /etc/firewall.user
-${FAILSAFE:+exit}
-
-. /etc/functions.sh
-. /etc/network.overrides
-[ "$FAILSAFE" != "true" -a -e /etc/config/network ] && . /etc/config/network
-
-WAN=$(nvram get wan_ifname)
-LAN=$(nvram get lan_ifname)
-
-## CLEAR TABLES
-for T in filter nat; do
-  iptables -t $T -F
-  iptables -t $T -X
-done
-
-iptables -N input_rule
-iptables -N output_rule
-iptables -N forwarding_rule
-
-iptables -t nat -N prerouting_rule
-iptables -t nat -N postrouting_rule
-
-### INPUT
-###  (connections with the router as destination)
-
-  # base case
-  iptables -P INPUT DROP
-  iptables -A INPUT -m state --state INVALID -j DROP
-  iptables -A INPUT -m state --state RELATED,ESTABLISHED -j ACCEPT
-  iptables -A INPUT -p tcp --tcp-flags SYN SYN --tcp-option \! 2 -j  DROP
-
-  #
-  # insert accept rule or to jump to new accept-check table here
-  #
-  iptables -A INPUT -j input_rule
-
-  # allow
-  iptables -A INPUT ${WAN:+-i \! $WAN}	-j ACCEPT	# allow from lan/wifi interfaces 
-  iptables -A INPUT -p icmp	-j ACCEPT	# allow ICMP
-  iptables -A INPUT -p gre	-j ACCEPT	# allow GRE
-
-  # reject (what to do with anything not allowed earlier)
-  iptables -A INPUT -p tcp -j REJECT --reject-with tcp-reset
-  iptables -A INPUT -j REJECT --reject-with icmp-port-unreachable
-
-### OUTPUT
-### (connections with the router as source)
-
-  # base case
-  iptables -P OUTPUT DROP
-  iptables -A OUTPUT -m state --state INVALID -j DROP
-  iptables -A OUTPUT -m state --state RELATED,ESTABLISHED -j ACCEPT
-
-  #
-  # insert accept rule or to jump to new accept-check table here
-  #
-  iptables -A OUTPUT -j output_rule
-
-  # allow
-  iptables -A OUTPUT -j ACCEPT		#allow everything out
-
-  # reject (what to do with anything not allowed earlier)
-  iptables -A OUTPUT -p tcp -j REJECT --reject-with tcp-reset
-  iptables -A OUTPUT -j REJECT --reject-with icmp-port-unreachable
-
-### FORWARDING
-### (connections routed through the router)
-
-  # base case
-  iptables -P FORWARD DROP 
-  iptables -A FORWARD -m state --state INVALID -j DROP
-  iptables -A FORWARD -p tcp --tcp-flags SYN,RST SYN -j TCPMSS --clamp-mss-to-pmtu
-  iptables -A FORWARD -m state --state RELATED,ESTABLISHED -j ACCEPT
-
-  #
-  # insert accept rule or to jump to new accept-check table here
-  #
-  iptables -A FORWARD -j forwarding_rule
-
-  # allow
-  iptables -A FORWARD -i br0 -o br0 -j ACCEPT
-  [ -z "$WAN" ] || iptables -A FORWARD -i $LAN -o $WAN -j ACCEPT
-
-  # reject (what to do with anything not allowed earlier)
-  # uses the default -P DROP
-
-### MASQ
-  iptables -t nat -A PREROUTING -j prerouting_rule
-  iptables -t nat -A POSTROUTING -j postrouting_rule
-  [ -z "$WAN" ] || iptables -t nat -A POSTROUTING -o $WAN -j MASQUERADE
-
-## USER RULES
-[ -f /etc/firewall.user ] && . /etc/firewall.user
diff --git a/package/base-files/default/etc/init.d/S50telnet b/package/base-files/default/etc/init.d/S50telnet
index ff5659ed4..fb9687c8a 100755
--- a/package/base-files/default/etc/init.d/S50telnet
+++ b/package/base-files/default/etc/init.d/S50telnet
@@ -1,2 +1,2 @@
 #!/bin/sh
-if awk -F: '/^root:/ && $2 !~ /\!/ {exit 1}' /etc/passwd 2>/dev/null || test $FAILSAFE; then telnetd -l /bin/login; fi
+if awk -F: '/^root:/ && $2 !~ /\!/ {exit 1}' /etc/passwd 2>/dev/null; then telnetd -l /bin/login; fi
diff --git a/package/base-files/default/etc/init.d/S60cron b/package/base-files/default/etc/init.d/S60cron
index 6069b8177..175273426 100755
--- a/package/base-files/default/etc/init.d/S60cron
+++ b/package/base-files/default/etc/init.d/S60cron
@@ -1,6 +1,4 @@
 #!/bin/sh
-[ -d /etc/crontabs ] || mkdir -p /etc/crontabs
-[ -e /var/spool/cron/crontabs ] || {
-        mkdir -p /var/spool/cron
-        ln -s /etc/crontabs /var/spool/cron/crontabs
-} && crond -c /etc/crontabs
+mkdir -p /var/spool/cron
+ln -s /etc/crontabs /var/spool/cron/crontabs
+crond -c /etc/crontabs
diff --git a/package/base-files/default/etc/init.d/S98done b/package/base-files/default/etc/init.d/S98done
new file mode 100755
index 000000000..5d5ab49ce
--- /dev/null
+++ b/package/base-files/default/etc/init.d/S98done
@@ -0,0 +1,9 @@
+#!/bin/sh
+sysctl -p >&-
+
+# automagically run firstboot
+{ mount|grep "on / type tmpfs" 1>&-; } && {
+	lock /tmp/.switch2jffs
+	firstboot switch2jffs
+	lock -u /tmp/.switch2jffs
+}
diff --git a/package/base-files/default/etc/init.d/S99done b/package/base-files/default/etc/init.d/S99done
deleted file mode 100755
index a260ac3d6..000000000
--- a/package/base-files/default/etc/init.d/S99done
+++ /dev/null
@@ -1,4 +0,0 @@
-#!/bin/sh
-# set leds to normal state
-[ -f /proc/sys/diag ] && echo "0x00" > /proc/sys/diag
-sysctl -p >&-
diff --git a/package/base-files/default/etc/init.d/rcS b/package/base-files/default/etc/init.d/rcS
index 10079c593..b38e44978 100755
--- a/package/base-files/default/etc/init.d/rcS
+++ b/package/base-files/default/etc/init.d/rcS
@@ -1,8 +1,10 @@
 #!/bin/sh
-. /etc/nvram.sh
-syslog_ip=$(nvram get log_ipaddr)
-ipcalc -s "$syslog_ip" || syslog_ip=""
-syslogd -C 16 ${syslog_ip:+-L -R $syslog_ip}
+${FAILSAFE:+exit}
+
+[ -f /etc/config/network ] && . /etc/config/network
+eval $(ipcalc "$log_ipaddr")
+[ "$log_ipaddr" = "$IP" ] || log_ipaddr=""
+syslogd -C 16 ${log_ipaddr:+-L -R $log_ipaddr}
 klogd
 #${FAILSAFE:+telnetd -l /bin/login; ifup lan; exit}
 for i in /etc/init.d/S*; do
diff --git a/package/base-files/default/etc/inittab b/package/base-files/default/etc/inittab
index 5916311e1..39e134cb1 100644
--- a/package/base-files/default/etc/inittab
+++ b/package/base-files/default/etc/inittab
@@ -1,4 +1,3 @@
 ::sysinit:/etc/init.d/rcS
-::shutdown:/sbin/halt
 tts/0::askfirst:/bin/ash --login
 #tts/1::askfirst:/bin/ash --login
diff --git a/package/base-files/default/etc/preinit b/package/base-files/default/etc/preinit
index ac9039ca7..5b676ca3a 100755
--- a/package/base-files/default/etc/preinit
+++ b/package/base-files/default/etc/preinit
@@ -1,24 +1,11 @@
 #!/bin/sh
-. /etc/nvram.sh
 export PATH=/bin:/sbin:/usr/bin:/usr/sbin
 mount none /proc -t proc
-insmod diag
-[ -f /proc/sys/diag ] && echo 0x01 > /proc/sys/diag
-sleep 1
-if [ -f /proc/sys/reset ] && [ $(cat /proc/sys/reset) = 1 -o "$(nvram get failsafe)" = 1 ]; then
-	export FAILSAFE=true
-	[ -x /usr/sbin/nvram -a "$(nvram get boot_wait)" != "on" ] && {
-		nvram set boot_wait=on
-		nvram commit
-	}
-	while :; do { echo $(((X=(X+1)%8)%2)) > /proc/sys/diag; sleep $((X==0)); } done &
-fi
 
-mount_root ${FAILSAFE:+failsafe}
-
-# automagically run firstboot
-[ -z "$FAILSAFE" -a -z "$(nvram get no_root_swap)" ] && {
-	{ mount|grep "on / type jffs2" 1>&-; } || firstboot
+[ -f /etc/preinit.arch ] && . /etc/preinit.arch
+[ -z "$FAILSAFE" ] || {
+	echo /bin/true > /proc/sys/kernel/hotplug
+	telnetd -l /bin/login <> /dev/null 2>&1
 }
-
+mount_root ${FAILSAFE:+failsafe}
 exec /sbin/init