openwrt root filesystem

git-svn-id: svn://svn.openwrt.org/openwrt/trunk/openwrt@211 3c298f89-4303-0410-b956-a3cf2f4a3e73

target/default/target_skeleton/bin/firstboot

@@ -0,0 +1,54 @@
+#!/bin/sh
+# $Id$
+
+
+[ -f "/tmp/.firstboot" ] && {
+	echo "firstboot is already running"
+	return
+}
+touch /tmp/.firstboot
+
+jdev=$(mount | awk '/jffs2/ {print $3}')
+
+if [ -z "$jdev" ]; then
+	echo -n "Creating jffs2 partition... "
+	mtd erase OpenWrt >&- 
+	mount -t jffs2 /dev/mtdblock/4 /jffs
+	echo "done"
+	cd /jffs
+else
+	echo "firstboot has already been run"
+	echo "jffs2 partition is mounted, only resetting files"
+	cd $jdev
+fi
+
+exec 2>/dev/null
+
+mount /dev/mtdblock/2 /rom -o ro
+
+echo -n "creating directories... "
+{
+	cd /rom
+	find . -type d
+	cd -
+} | xargs mkdir
+echo "done"
+
+echo -n "setting up symlinks... "
+for file in $(cd /rom; find *  -type f; find *  -type l;)
+do {
+	ln -sf  /rom/$file $file
+} done
+echo "done"
+
+touch /tmp/resolv.conf
+ln -s /tmp/resolv.conf /etc/resolv.conf
+
+umount /rom
+mount none /jffs/proc -t proc
+pivot_root /jffs /jffs/rom
+mount none /dev  -t devfs
+mount none /tmp  -t ramfs
+umount /rom/proc
+umount /rom/tmp
+umount /rom/dev

target/default/target_skeleton/bin/login

@@ -0,0 +1,2 @@
+#!/bin/sh
+exec ash --login

target/default/target_skeleton/etc/banner

@@ -0,0 +1,6 @@
+  _______                     ________        __
+ |       |.-----.-----.-----.|  |  |  |.----.|  |_
+ |   -   ||  _  |  -__|     ||  |  |  ||   _||   _|
+ |_______||   __|_____|__|__||________||__|  |____|
+          |__| W I R E L E S S   F R E E D O M
+          

target/default/target_skeleton/etc/dnsmasq.conf

@@ -0,0 +1,24 @@
+# filter what we send upstream
+domain-needed
+bogus-priv
+filterwin2k
+
+# allow /etc/hosts and dhcp lookups via *.lan
+local=/lan/
+domain=lan
+
+# no dhcp / dns queries from the wan
+except-interface=vlan1
+
+# enable dhcp (start,end,netmask,leasetime)
+dhcp-authoritative
+dhcp-range=192.168.1.100,192.168.1.250,255.255.255.0,12h
+dhcp-leasefile=/tmp/dhcp.leases
+
+# use /etc/ethers for static hosts; same format as --dhcp-host
+# <hwaddr> [<hostname>] <ipaddr>
+read-ethers
+
+# other useful options:
+# default route(s): dhcp-option=3,192.168.1.1,192.168.1.2
+#    dns server(s): dhcp-option=6,192.168.1.1,192.168.1.2

target/default/target_skeleton/etc/functions.sh

@@ -0,0 +1,33 @@
+#!/bin/ash
+
+alias debug=${DEBUG:-:}
+
+# allow env to override nvram
+nvram () {
+  case $1 in
+    get) eval "echo \${NVRAM_$2:-\$(command nvram get $2)}";;
+    *) command nvram $*;;
+  esac
+}
+. /etc/nvram.overrides
+
+# valid interface?
+if_valid () {
+  ifconfig "$1" >&- 2>&- ||
+  [ "${1%%[0-9]}" = "br" ] ||
+  {
+    [ "${1%%[0-9]}" = "vlan" ] && ( 
+      i=${1#vlan}
+      hwname=$(nvram get vlan${i}hwname)
+      hwaddr=$(nvram get ${hwname}macaddr)
+      [ -z "$hwaddr" ] && return 1
+
+      vif=$(ifconfig -a | awk '/^eth.*'$hwaddr'/ {print $1; exit}' IGNORECASE=1)
+      debug "# vlan$i => $vif"
+
+      $DEBUG ifconfig $vif up
+      $DEBUG vconfig add $vif $i 2>&-
+    )
+  } ||
+  { echo -e "# $1 ignored: can't find/create"; false; }
+}

target/default/target_skeleton/etc/init.d/S10boot

@@ -0,0 +1,25 @@
+#!/bin/sh
+klogd
+syslogd -C 16 
+sysctl -p
+echo "S" > /proc/jffs2_bbc
+
+mkdir -p /var/run
+
+[ "$(nvram get il0macaddr)" = "00:90:4c:5f:00:2a" ] && {
+  # if default wifi mac, set two higher than the lan mac
+  nvram set il0macaddr=$(nvram get et0macaddr|
+  awk '{OFS=FS=":";for(x=7,y=2;--x;){$x=sprintf("%02x",(y+="0x"$x)%256);y/=256}print}')
+}
+
+insmod et
+insmod wl
+
+ifconfig lo 127.0.0.1 up
+ifconfig eth0 promisc
+
+HOSTNAME=$(nvram get wan_hostname)
+HOSTNAME=${HOSTNAME%%.*}
+echo ${HOSTNAME:=OpenWrt} > /proc/sys/kernel/hostname
+
+vconfig set_name_type VLAN_PLUS_VID_NO_PAD

target/default/target_skeleton/etc/init.d/S40network

@@ -1,35 +1,15 @@
 #!/bin/sh
-#
-# Start the network....
-#
-
-start() {
- 	echo "Starting network..."
-	/sbin/ifup -a
-}	
-stop() {
-	echo -n "Stopping network..."
-	/sbin/ifdown -a
-}
-restart() {
-	stop
-	start
-}	
-
+. /etc/functions.sh
 case "$1" in
-  start)
-  	start
+  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
     ;;
-  stop)
-  	stop
-	;;
-  restart|reload)
-  	restart
-	;;
-  *)
-	echo $"Usage: $0 {start|stop|restart}"
-	exit 1
 esac
-
-exit $?
-

target/default/target_skeleton/etc/init.d/S45firewall

@@ -0,0 +1,23 @@
+#!/bin/sh
+. /etc/functions.sh
+
+WAN=$(nvram get wan_ifname)
+
+IPT=/usr/sbin/iptables
+
+for T in filter nat mangle ; do
+  $IPT -t $T -F
+  $IPT -t $T -X
+done
+
+$IPT -t filter -A INPUT -m state --state INVALID -j DROP
+$IPT -t filter -A INPUT -m state --state RELATED,ESTABLISHED -j ACCEPT 
+$IPT -t filter -A INPUT -p icmp -j ACCEPT 
+$IPT -t filter -A INPUT -i $WAN -p tcp -j REJECT --reject-with tcp-reset 
+$IPT -t filter -A INPUT -i $WAN -j REJECT --reject-with icmp-port-unreachable 
+$IPT -t filter -A FORWARD -m state --state INVALID -j DROP 
+$IPT -t filter -A FORWARD -m state --state RELATED,ESTABLISHED -j ACCEPT 
+$IPT -t filter -A FORWARD -i $WAN -m state --state NEW,INVALID -j DROP
+$IPT -t filter -A FORWARD -o $WAN -p tcp --tcp-flags SYN,RST SYN -j TCPMSS --clamp-mss-to-pmtu
+
+$IPT -t nat -A POSTROUTING -o $WAN -j MASQUERADE

target/default/target_skeleton/etc/init.d/S50dnsmasq

@@ -0,0 +1,2 @@
+#!/bin/sh
+/usr/sbin/dnsmasq

target/default/target_skeleton/etc/init.d/S50httpd

@@ -0,0 +1,2 @@
+#!/bin/sh
+/usr/sbin/httpd -p 80 -h /www -r WRT54G Router

target/default/target_skeleton/etc/init.d/S50telnet

@@ -0,0 +1,2 @@
+#!/bin/sh
+/usr/sbin/telnetd -l /bin/login

target/default/target_skeleton/etc/init.d/S99done

@@ -0,0 +1,7 @@
+#!/bin/sh
+# automagically run firstboot
+[ -z "$FAILSAFE" ] && {
+	{ mount | grep jffs2 1>&-; } || firstboot
+}
+# set leds to normal state
+echo "0x00" > /proc/sys/diag

target/default/target_skeleton/etc/init.d/rcS

@@ -1,6 +1,5 @@
 #!/bin/sh
 
-
 # Start all init scripts in /etc/init.d
 # executing them in numerical order.
 #
@@ -24,4 +23,3 @@ for i in /etc/init.d/S??* ;do
             ;;
     esac
 done
-

target/default/target_skeleton/etc/inittab

@@ -1,47 +1,3 @@
-# /etc/inittab
-#
-# Copyright (C) 2001 Erik Andersen <andersen@codepoet.org>
-#
-# Note: BusyBox init doesn't support runlevels.  The runlevels field is
-# completely ignored by BusyBox init. If you want runlevels, use
-# sysvinit.
-#
-# Format for each entry: <id>:<runlevels>:<action>:<process>
-#
-# id        == tty to run on, or empty for /dev/console
-# runlevels == ignored
-# action    == one of sysinit, respawn, askfirst, wait, and once
-# process   == program to run
-
-# Startup the system
-null::sysinit:/bin/mount -o remount,rw /
-null::sysinit:/bin/mount -t proc proc /proc
-null::sysinit:/bin/mount -a
-null::sysinit:/bin/hostname -F /etc/hostname
-null::sysinit:/sbin/ifconfig lo 127.0.0.1 up
-null::sysinit:/sbin/route add -net 127.0.0.0 netmask 255.0.0.0 lo
-# now run any rc scripts
 ::sysinit:/etc/init.d/rcS
-
-# Set up a couple of getty's
-tty1::respawn:/sbin/getty 38400 tty1
-tty2::respawn:/sbin/getty 38400 tty2
-
-# Put a getty on the serial port
-#ttyS0::respawn:/sbin/getty -L ttyS0 115200 vt100
-
-# Logging junk
-null::sysinit:/bin/touch /var/log/messages
-null::respawn:/sbin/syslogd -n -m 0
-null::respawn:/sbin/klogd -n
-tty3::respawn:/usr/bin/tail -f /var/log/messages
-
-# Stuff to do for the 3-finger salute
-::ctrlaltdel:/sbin/reboot
-
-# Stuff to do before rebooting
-null::shutdown:/usr/bin/killall klogd
-null::shutdown:/usr/bin/killall syslogd
-null::shutdown:/bin/umount -a -r
-null::shutdown:/sbin/swapoff -a
-
+::shutdown:/sbin/halt
+ttys/0::respawn:/bin/login

target/default/target_skeleton/etc/ipkg.conf

@@ -0,0 +1,3 @@
+src openwrt http://openwrt.org/ipkg
+dest root /
+dest ram /tmp

target/default/target_skeleton/etc/nvram.overrides

@@ -0,0 +1,62 @@
+# NVRAM overrides
+#
+# This file handles the NVRAM quirks of various hardware.
+# THIS FILE IS NOT A REPLACEMENT FOR NVRAM
+
+# linksys bug; remove when not using static configuration for lan
+NVRAM_lan_proto="static"
+
+# hacks for wrt54g 1.x hardware
+[ "$(nvram get boardnum)"  = "42" ] && \
+[ "$(nvram get boardtype)" = "bcm94710dev" ] && {
+
+  # remap eth0 => vlan2, eth1 => vlan1
+  # for all *_ifname(s)
+
+  debug "### wrt54g 1.x hack ###"
+  NVRAM_vlan1hwname="et0"
+  NVRAM_vlan2hwname="et0"
+  FAILSAFE_ifnames="vlan1 vlan2 eth2"
+
+  remap () {
+    eval NVRAM_$1=\"$(nvram get $1 | awk 'gsub("eth0","vlan2") gsub("eth1","vlan1")')\"
+  }
+
+  for type in lan wifi wan pppoe
+  do
+    remap ${type}_ifname
+    remap ${type}_ifnames
+  done
+}
+
+# hacks for wap54g hardware
+[ "$(nvram get boardnum)"  = "2" ] || \
+[ "$(nvram get boardnum)"  = "1024" ] && {
+  debug "### wap54g hack ###"
+  NVRAM_wan_ifname="none"
+  FAILSAFE_ifnames="eth0 eth1"
+}
+
+# defaults if lan_ifname is missing
+[ -z "$(nvram get lan_ifname)" ] && {
+  NVRAM_lan_ifname="br0"
+  NVRAM_lan_ifnames="vlan0 vlan2 eth1 eth2 eth3"
+}
+
+# defaults if wan_ifname is missing
+[ -z "$(nvram get wan_ifname)" ] && {
+   NVRAM_wan_ifname="vlan1"
+   NVRAM_wan_proto="dhcp"
+}
+
+# failsafe if reset is held
+[ "$FAILSAFE" = "true" ] && {
+  echo "### YOU ARE IN FAILSAFE MODE ####"
+  NVRAM_lan_ifname="br0"
+  NVRAM_lan_ifnames=${FAILSAFE_ifnames:-"vlan0 vlan1 eth1"}
+  NVRAM_lan_ipaddr="192.168.1.1"
+  NVRAM_lan_netmask="255.255.255.0"
+  NVRAM_lan_hwaddr="00:0B:AD:0A:DD:00"
+  NVRAM_wan_ifname="none"
+  NVRAM_wifi_ifname="none"
+}

target/default/target_skeleton/etc/preinit

@@ -0,0 +1,20 @@
+#!/bin/sh
+# executed from squashfs before init to 
+# transfer root to the jffs2 partition
+mount none /proc -t proc
+insmod diag
+echo 0x01 > /proc/sys/diag
+sleep 1
+if [ $(cat /proc/sys/reset) = 1 ] ; then
+  export FAILSAFE=true
+  while :; do { echo $(((X=(X+1)%8)%2)) > /proc/sys/diag; sleep $((X==0)); } done &
+else
+  mtd unlock mtd4
+  mount -t jffs2 /dev/mtdblock/4 /jffs
+  pivot_root /jffs /jffs/rom
+  mount none /dev -t devfs
+  mount none /proc -t proc
+  umount rom/proc rom/dev
+fi
+mount none /tmp -t ramfs
+exec /sbin/init

target/default/target_skeleton/etc/profile

@@ -1,48 +1,9 @@
-# ~/.bashrc: executed by bash(1) for non-login interactive shells.
+#!/bin/sh
+[ -f /etc/banner ] && cat /etc/banner
 
-export PATH=\
-/bin:\
-/sbin:\
-/usr/bin:\
-/usr/sbin:\
-/usr/bin/X11:\
-/usr/local/bin
+export PATH=/bin:/sbin:/usr/bin:/usr/sbin
+export PS1='\u@\h:\w\$ '
 
-# If running interactively, then:
-if [ "$PS1" ]; then
-
-    if [ "$BASH" ]; then
-	export PS1="[\u@\h \W]\\$ "
-	alias ll='/bin/ls --color=tty -laFh'
-	alias ls='/bin/ls --color=tty -F'
-	export LS_COLORS='no=00:fi=00:di=01;34:ln=01;36:pi=40;33:so=01;35:do=01;35:bd=40;33;01:cd=40;33;01:or=40;31;01:ex=01;32:*.tar=01;31:*.tgz=01;31:*.arj=01;31:*.taz=01;31:*.lzh=01;31:*.zip=01;31:*.z=01;31:*.Z=01;31:*.gz=01;31:*.bz2=01;31:*.deb=01;31:*.rpm=01;31:*.jar=01;31:*.jpg=01;35:*.jpeg=01;35:*.png=01;35:*.gif=01;35:*.bmp=01;35:*.pbm=01;35:*.pgm=01;35:*.ppm=01;35:*.tga=01;35:*.xbm=01;35:*.xpm=01;35:*.tif=01;35:*.tiff=01;35:*.mpg=01;35:*.mpeg=01;35:*.avi=01;35:*.fli=01;35:*.gl=01;35:*.dl=01;35:*.xcf=01;35:*.xwd=01;35:';
-    else
-      if [ "`id -u`" -eq 0 ]; then 
-	export PS1='# '
-      else
-	export PS1='$ '
-      fi
-    fi
-
-    export USER=`id -un`
-    export LOGNAME=$USER
-    export HOSTNAME=`/bin/hostname`
-    export HISTSIZE=1000
-    export HISTFILESIZE=1000
-    export PAGER='/bin/more '
-    export EDITOR='/bin/vi'
-    export INPUTRC=/etc/inputrc
-    export DMALLOC_OPTIONS=debug=0x34f47d83,inter=100,log=logfile
-
-    ### Some aliases
-    alias ps2='ps facux '
-    alias ps1='ps faxo "%U %t %p %a" '
-    alias af='ps af'
-    alias cls='clear'
-    alias df='df -h'
-    alias indent='indent -bad -bap -bbo -nbc -br -brs -c33 -cd33 -ncdb -ce -ci4 -cli0 -cp33 -cs -d0 -di1 -nfc1 -nfca -hnl -i4 -ip0 -l75 -lp -npcs -npsl -nsc -nsob -nss -ts4 '
-    #alias bc='bc -l'
-    alias minicom='minicom -c on'
-    alias calc='calc -Cd '
-    alias bc='calc -Cd '
-fi;
+alias less=more
+alias vim=vi
+ldd() { LD_TRACE_LOADED_OBJECTS=1 $*; }

target/default/target_skeleton/etc/sysctl.conf

@@ -0,0 +1,7 @@
+kernel.panic = 3
+net.ipv4.ip_forward = 1
+net.ipv4.icmp_echo_ignore_broadcasts = 1
+net.ipv4.icmp_ignore_bogus_error_responses = 1
+net.ipv4.tcp_fin_timeout = 30
+net.ipv4.tcp_keepalive_time = 120
+net.ipv4.tcp_timestamps = 0

target/default/target_skeleton/usr/share/udhcpc/default.script

@@ -1,20 +1,20 @@
 #!/bin/sh
-
 # udhcpc script edited by Tim Riker <Tim@Rikers.org>
+# (slightly modified)
 
-[ -z "$1" ] && echo "Error: should be called from udhcpc" && exit 1
+[ -z "$1" ] && echo "Error: should be run by udhcpc" && exit 1
 
-RESOLV_CONF="/etc/resolv.conf"
-[ -n "$broadcast" ] && BROADCAST="broadcast $broadcast"
-[ -n "$subnet" ] && NETMASK="netmask $subnet"
+RESOLV_CONF="/tmp/resolv.conf"
 
 case "$1" in
         deconfig)
-		/sbin/ifconfig $interface 0.0.0.0
+                ifconfig $interface 0.0.0.0
                 ;;
 
         renew|bound)
-		/sbin/ifconfig $interface $ip $BROADCAST $NETMASK
+                ifconfig $interface $ip \
+                ${broadcast:+broadcast $broadcast} \
+                ${subnet:+netmask $subnet}
 
                 if [ -n "$router" ] ; then
                         echo "deleting routers"
@@ -28,12 +28,11 @@ case "$1" in
                 fi
 
                 echo -n > $RESOLV_CONF
-		[ -n "$domain" ] && echo search $domain >> $RESOLV_CONF
+                ${domain:+echo search $domain >> $RESOLV_CONF}
                 for i in $dns ; do
                         echo adding dns $i
                         echo nameserver $i >> $RESOLV_CONF
                 done
                 ;;
 esac
-
 exit 0