From 676c017ecfced2e37aeec176f8aa6b9df90024f3 Mon Sep 17 00:00:00 2001 From: nbd Date: Wed, 5 Apr 2006 02:09:22 +0000 Subject: 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 --- package/base-files/Makefile | 12 +- package/base-files/default/bin/firstboot | 134 ++++++++++++--------- package/base-files/default/bin/ipcalc | 32 +++++ package/base-files/default/bin/login | 12 +- package/base-files/default/etc/firewall.user | 29 ----- package/base-files/default/etc/functions.sh | 26 ---- .../base-files/default/etc/hotplug.d/net/10-net | 85 +++++++------ package/base-files/default/etc/init.d/S10boot | 9 +- package/base-files/default/etc/init.d/S40network | 16 --- package/base-files/default/etc/init.d/S45firewall | 96 --------------- package/base-files/default/etc/init.d/S50telnet | 2 +- package/base-files/default/etc/init.d/S60cron | 8 +- package/base-files/default/etc/init.d/S98done | 9 ++ package/base-files/default/etc/init.d/S99done | 4 - package/base-files/default/etc/init.d/rcS | 10 +- package/base-files/default/etc/inittab | 1 - package/base-files/default/etc/preinit | 23 +--- package/base-files/default/sbin/halt | 3 - package/base-files/default/sbin/hotplug | 10 +- package/base-files/default/sbin/ifdown | 16 +-- package/base-files/default/sbin/ifup | 22 ++-- package/base-files/default/sbin/mount_root | 40 +++--- package/base-files/default/usr/lib/common.awk | 66 ++++++++++ .../base-files/default/usr/lib/parse-config.awk | 40 ++++++ .../default/usr/share/udhcpc/default.script | 37 +++--- 25 files changed, 350 insertions(+), 392 deletions(-) create mode 100755 package/base-files/default/bin/ipcalc delete mode 100755 package/base-files/default/etc/firewall.user delete mode 100755 package/base-files/default/etc/init.d/S40network delete mode 100755 package/base-files/default/etc/init.d/S45firewall create mode 100755 package/base-files/default/etc/init.d/S98done delete mode 100755 package/base-files/default/etc/init.d/S99done delete mode 100755 package/base-files/default/sbin/halt create mode 100644 package/base-files/default/usr/lib/common.awk create mode 100644 package/base-files/default/usr/lib/parse-config.awk (limited to 'package/base-files') diff --git a/package/base-files/Makefile b/package/base-files/Makefile index 1fb0c1449..8517dcc68 100644 --- a/package/base-files/Makefile +++ b/package/base-files/Makefile @@ -55,23 +55,25 @@ $(IPKG_BASE): $(CP) ./default/* $(IDIR_BASE) $(SED) 's,$$R,r$(REV),g' $(IDIR_BASE)/etc/banner $(SED) 's,$$S,$(BOARD)-$(KERNEL),g' $(IDIR_BASE)/etc/ipkg.conf - mkdir -p $(IDIR_BASE)/sys - mkdir -p $(IDIR_BASE)/jffs mkdir -p $(IDIR_BASE)/dev + mkdir -p $(IDIR_BASE)/etc/crontabs + mkdir -p $(IDIR_BASE)/jffs + mkdir -p $(IDIR_BASE)/lib + mkdir -p $(IDIR_BASE)/mnt mkdir -p $(IDIR_BASE)/proc mkdir -p $(IDIR_BASE)/tmp - mkdir -p $(IDIR_BASE)/lib mkdir -p $(IDIR_BASE)/usr/lib mkdir -p $(IDIR_BASE)/usr/bin + mkdir -p $(IDIR_BASE)/sys + mkdir -p $(IDIR_BASE)/www ln -sf /tmp/resolv.conf $(IDIR_BASE)/etc/resolv.conf ln -sf /proc/mounts $(IDIR_BASE)/etc/mtab - rm -rf $(IDIR_BASE)/var + rm -f $(IDIR_BASE)/var ln -sf /tmp $(IDIR_BASE)/var -find $(IDIR_BASE) -type d -name CVS | xargs rm -rf -find $(IDIR_BASE) -type d -name .svn | xargs rm -rf -find $(IDIR_BASE) -name '.#*' | xargs rm -f mkdir -p $(IDIR_BASE)/etc - -grep \^BR2_SYSCONF $(TOPDIR)/.config > $(IDIR_BASE)/etc/sysconf $(IPKG_BUILD) $(IDIR_BASE) $(PACKAGE_DIR) $(IPKG_UCLIBC): diff --git a/package/base-files/default/bin/firstboot b/package/base-files/default/bin/firstboot index eff7063b1..1d9b658b6 100755 --- a/package/base-files/default/bin/firstboot +++ b/package/base-files/default/bin/firstboot @@ -1,62 +1,88 @@ #!/bin/sh # $Id$ -mount | grep squashfs >&- || { - echo "You do not have a squashfs partition; aborting" - echo "(firstboot cannot be run on jffs2 based firmwares)" - return +rom=$(awk '/squashfs/ {print $2}' /proc/mounts) +jffs=$(awk '/jffs2/ {print $2}' /proc/mounts) + +dupe() { # + cd $1 + echo -n "creating directories... " + { + cd $2 + find . -xdev -type d + echo "./dev ./jffs ./mnt ./proc ./tmp ./sys" + # xdev skips mounted directories + cd $1 + } | xargs mkdir -p + echo "done" + + echo -n "setting up symlinks... " + for file in $(cd $2; find . -xdev -type f;); do + case "$file" in + "./rom/note") ;; #nothing + "./etc/config"|\ + "./etc/resolv.conf"|\ + "./usr/lib/ipkg/info") cp -af $2/$file $file;; + *) ln -sf /rom/${file#./*} $file;; + esac + done + for file in $(cd $2; find . -xdev -type l;); do + cp -af $2/${file#./*} $file + done + echo "done" } -[ -f "/tmp/.firstboot" ] && { - echo "firstboot is already running" - return +pivot() { # + mount -o move /proc $1/proc && \ + pivot_root $1 $1$2 && { + mount -o move $2/dev /dev + mount -o move $2/tmp /tmp + } } -touch /tmp/.firstboot -jdev=$(mount | awk '/jffs2/ {print $3}') +mountdp() { # + dev=$1; mnt=$2; shift 2; opt=$* + mount $dev $mnt $opt + dupe $mnt $rom + pivot $mnt /rom +} -if [ -z "$jdev" ]; then - echo -n "Creating jffs2 partition... " - mtd erase OpenWrt >&- 2>&- - 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 $(cd /rom; find * -type f; find * -type l;) -do { - case "${file%/*}" in - "usr/lib/ipkg/info"|"etc/config") cp -f /rom/$file $file;; - *) ln -sf /rom/$file $file;; - esac -} done -echo "done" - -touch /tmp/resolv.conf -ln -s /tmp/resolv.conf /etc/resolv.conf - -umount /rom -mount none /jffs/proc -t proc -pivot_root /jffs /jffs/rom -mount none /dev -t devfs -mount none /tmp -t ramfs -umount /rom/proc -umount /rom/tmp -umount /rom/dev +ramoverlay() { + mkdir -p /tmp/root + mountdp /tmp/root /mnt -o bind +} + +[ "${0##*/}" = "firstboot" ] && { + [ -z "$rom" ] && { + echo "You do not have a squashfs partition; aborting" + echo "(firstboot cannot be run on jffs2 based firmwares)" + exit 1 + } + + [ "$1" = "switch2jffs" ] && { + mtd erase OpenWrt + mount -o remount,ro none / # try to avoid fs changing while copying + mount -o bind / /mnt + mount /dev/mtdblock/4 /rom/jffs -t jffs2 + echo -n "copying files ... " + cp -a /mnt/* /rom/jffs + umount /mnt + echo "done" + pivot /rom /mnt + mount -o move /mnt /tmp/root + pivot /jffs /rom + jffs2root --clean + exit 0 + } + + # script run manually + [ \! -z "$jffs" ] && { + echo "firstboot has already been run" + echo "jffs2 partition is mounted, only resetting files" + dupe $jffs $rom + exit 0 + } + + mtd erase OpenWrt + mountdp /dev/mtdblock/4 /jffs -t jffs2 +} diff --git a/package/base-files/default/bin/ipcalc b/package/base-files/default/bin/ipcalc new file mode 100755 index 000000000..318980e5a --- /dev/null +++ b/package/base-files/default/bin/ipcalc @@ -0,0 +1,32 @@ +#!/bin/sh + +awk -f /usr/lib/common.awk -f - $* <limit) end=limit + + print "IP="int2ip(ipaddr) + print "NETMASK="int2ip(netmask) + print "BROADCAST="int2ip(broadcast) + print "NETWORK="int2ip(network) + print "PREFIX="32-bitcount(compl(netmask)) + + # range calculations: + # ipcalc + + if (ARGC > 3) { + print "START="int2ip(start) + print "END="int2ip(end) + } +} +EOF diff --git a/package/base-files/default/bin/login b/package/base-files/default/bin/login index bb065e54a..8f9281726 100755 --- a/package/base-files/default/bin/login +++ b/package/base-files/default/bin/login @@ -1,20 +1,16 @@ #!/bin/sh -. /etc/sysconf 2>&- - -[ "$FAILSAFE" != "true" ] && -[ "$BR2_SYSCONF_TELNET_FAILSAFE_ONLY" = "y" ] && +grep '^root:[^!]' /etc/passwd >&- 2>&- +[ "$?" = "0" -a -z "$FAILSAFE" ] && { - grep '^root:[^!]' /etc/passwd >&- 2>&- && - { echo "Login failed." exit 0 - } || { +} || { cat << EOF === IMPORTANT ============================ Use 'passwd' to set your login password this will disable telnet and enable SSH ------------------------------------------ EOF - } } + exec /bin/ash --login diff --git a/package/base-files/default/etc/firewall.user b/package/base-files/default/etc/firewall.user deleted file mode 100755 index 5774f0c64..000000000 --- a/package/base-files/default/etc/firewall.user +++ /dev/null @@ -1,29 +0,0 @@ -#!/bin/sh -. /etc/functions.sh -. /etc/network.overrides -[ "$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 diff --git a/package/base-files/default/sbin/halt b/package/base-files/default/sbin/halt deleted file mode 100755 index 39eed2612..000000000 --- a/package/base-files/default/sbin/halt +++ /dev/null @@ -1,3 +0,0 @@ -#!/bin/sh -/usr/bin/killall5 -9 -#umount -ar diff --git a/package/base-files/default/sbin/hotplug b/package/base-files/default/sbin/hotplug index 3500f7520..106299343 100755 --- a/package/base-files/default/sbin/hotplug +++ b/package/base-files/default/sbin/hotplug @@ -1,4 +1,7 @@ #!/bin/sh + +# bypass the normal hotplug path for firmware loading +# would otherwise cause problems with drivers like bcm43xx [ "$1" = "firmware" -a "$ACTION" = "add" ] && { [ -f "/lib/firmware/$FIRMWARE" ] && { echo 1 > "/sys$DEVPATH/loading" @@ -8,13 +11,8 @@ exit 0 } -[ -e /tmp/.failsafe ] && { - export FAILSAFE=true -} || { - [ -e /etc/config/network ] && . /etc/config/network -} . /etc/functions.sh -. /etc/network.overrides +. /etc/config/network PATH=/bin:/sbin:/usr/bin:/usr/sbin LOGNAME=root diff --git a/package/base-files/default/sbin/ifdown b/package/base-files/default/sbin/ifdown index d0120dcbe..0d85ca8ea 100755 --- a/package/base-files/default/sbin/ifdown +++ b/package/base-files/default/sbin/ifdown @@ -1,26 +1,18 @@ #!/bin/sh [ $# = 0 ] && { echo " $0 "; exit; } . /etc/functions.sh -. /etc/network.overrides -[ "$FAILSAFE" != "true" -a -e /etc/config/network ] && . /etc/config/network +. /etc/config/network debug "### ifdown $type ###" type=$1 -if_proto=$(nvram get ${type}_proto) -if=$(nvram get ${type}_ifname) +eval "if_proto=\"\${${type}_proto}\"" +eval "if=\"\${${type}_ifname}\"" +[ "${if%%[0-9]}" = "ppp" ] && eval "if=\"\${${type}_device}\"" case "$if_proto" in pppoa) hotplug_dev unregister atm0; exit 0 ;; ""|none) exit 0;; esac -[ "${if%%[0-9]*}" = "ppp" ] && if="$(nvram get ${type}_device)" - -if [ "${if%%[0-9]}" = "br" ]; then - for sif in $(nvram get ${type}_ifnames); do - hotplug_dev unregister "$sif" - done -fi - hotplug_dev unregister "$if" diff --git a/package/base-files/default/sbin/ifup b/package/base-files/default/sbin/ifup index 8ae641668..a86a7671e 100755 --- a/package/base-files/default/sbin/ifup +++ b/package/base-files/default/sbin/ifup @@ -1,32 +1,34 @@ #!/bin/sh [ $# = 0 ] && { echo " $0 "; exit; } . /etc/functions.sh -. /etc/network.overrides -[ "$FAILSAFE" != "true" -a -e /etc/config/network ] && . /etc/config/network +. /etc/config/network ifdown $1 debug "### ifup $type ###" type=$1 -if_proto=$(nvram get ${type}_proto) -if=$(nvram get ${type}_ifname) +eval "if_proto=\"\${${type}_proto}\"" +eval "if=\"\${${type}_ifname}\"" +[ "${if%%[0-9]}" = "ppp" ] && eval "if=\"\${${type}_device}\"" case "$if_proto" in pppoa) hotplug_dev register atm0; exit 0 ;; pppoe) - ifconfig nas0 2>&- >&- || { - hotplug_dev register atm0 - exit 0 + # PPPoE over ATM + [ "$if" = "nas0" ] && { + ifconfig nas0 2>&- >&- || { + hotplug_dev register atm0 + exit 0 + } } ;; none|"") exit 0;; esac -[ "${if%%[0-9]*}" = "ppp" ] && if="$(nvram get ${type}_device)" - if [ "${if%%[0-9]}" = "br" ]; then - for sif in $(nvram get ${type}_ifnames); do + eval "ifnames=\"\${${type}_ifnames}\"" + for sif in $ifnames; do hotplug_dev register "$sif" done else diff --git a/package/base-files/default/sbin/mount_root b/package/base-files/default/sbin/mount_root index 427ff0444..38252e83f 100755 --- a/package/base-files/default/sbin/mount_root +++ b/package/base-files/default/sbin/mount_root @@ -1,40 +1,34 @@ #!/bin/sh -. /etc/nvram.sh -is_clean() { - grep Broadcom /proc/cpuinfo 2>&- >&- || return 0 - OFFSET="$((0x$(dd if=/dev/mtdblock/1 bs=1 skip=$((0x14)) count=2 2>&- | hexdump | grep 0000000 | cut -d ' ' -f 2) - 1))" - dd if=/dev/mtdblock/1 bs=1 skip=$OFFSET count=1 2>&- | hexdump -v | grep ' 0000' > /dev/null && return 255 || return 0 +is_dirty() { + grep Broadcom /proc/cpuinfo >&- || return 1 + OFFSET="$(($(hexdump -v /dev/mtdblock/1 -s 20 -n 2 -e '"%d"')-1))" + return $(hexdump -v /dev/mtdblock/1 -s $OFFSET -n 1 -e '"%d"') } +size=$(awk '/Mem:/ {l=5242880;print((s=$2/2)&- if [ $? = 0 ] ; then if [ $(cat /proc/mtd | wc -l) = 6 ]; then - echo 5 > /proc/sys/diag - mtd unlock linux mtd erase OpenWrt jffs2root --move else - mtd unlock rootfs mount -o remount,rw /dev/root / fi else - if [ -z "$(nvram get no_root_swap)" ]; then - is_clean || { - mtd erase OpenWrt - mtd unlock linux - jffs2root --clean - } - mtd unlock OpenWrt - mount -t jffs2 /dev/mtdblock/4 /jffs - pivot_root /jffs /jffs/rom - mount none /proc -t proc - mount none /dev -t devfs - umount /rom/proc /rom/dev >&- - fi + . /bin/firstboot + is_dirty + [ $? != 0 ] && { + mount /dev/mtdblock/4 /jffs + pivot /jffs /rom + } || ramoverlay fi fi -mount none /tmp -t tmpfs -o nosuid,nodev,mode=1777,size=50% + +mount none /tmp -t tmpfs -o remount,nosuid,nodev,mode=1777 mkdir -p /dev/pts mount none /dev/pts -t devpts -grep sysfs /proc/filesystems >&- && mount -t sysfs none /sys +mount -t sysfs none /sys 2>&- diff --git a/package/base-files/default/usr/lib/common.awk b/package/base-files/default/usr/lib/common.awk new file mode 100644 index 000000000..63a8cf23d --- /dev/null +++ b/package/base-files/default/usr/lib/common.awk @@ -0,0 +1,66 @@ +function portstr(type, str) { + gsub(/-/, ":", str) + if (insmod_mport != 1) { + print "insmod ipt_multiport >&- 2>&-" + insmod_mport = 1 + } + if (type == "src") return " -m multiport --sports " str + else return " -m multiport --dports " str +} + +function str2ipt(str) { + str2data(str) + _cmd = "" + if (_l["src"] != "") _cmd = _cmd " -s " _l["src"] + if (_l["dest"] != "") _cmd = _cmd " -d " _l["dest"] + if (_l["proto"] != "") { + _cmd = _cmd " -p " _l["proto"] + } + # scripts need to check for proto="" and emit two rules in that case + if ((_l["proto"] == "") || (_l["proto"] == "tcp") || (_l["proto"] == "udp")) { + if (_l["sport"] != "") _cmd = _cmd portstr("src", _l["sport"]) + if (_l["dport"] != "") _cmd = _cmd portstr("dest", _l["dport"]) + } + if (_l["layer7"] != "") { + if (insmod_l7 != 1) { + print "insmod ipt_layer7 >&- 2>&-" + insmod_l7 = 1 + } + _cmd = _cmd " -m layer7 --l7proto " _l["layer7"] + } + return _cmd +} + +function str2data(str) { + delete _l + _n = split(str, _o, "[\t ]") + for (_i = 1; _i <= _n; _i++) { + _n2 = split(_o[_i], _c, "=") + if (_n2 == 2) _l[_c[1]] = _c[2] + } +} + +function bitcount(c) { + c=and(rshift(c, 1),0x55555555)+and(c,0x55555555) + c=and(rshift(c, 2),0x33333333)+and(c,0x33333333) + c=and(rshift(c, 4),0x0f0f0f0f)+and(c,0x0f0f0f0f) + c=and(rshift(c, 8),0x00ff00ff)+and(c,0x00ff00ff) + c=and(rshift(c,16),0x0000ffff)+and(c,0x0000ffff) + return c +} + +function validate_netmask(nm) { + return and(-nm,compl(nm)) +} + +function ip2int(ip) { + for (ret=0,n=split(ip,a,"\."),x=1;x<=n;x++) ret=or(lshift(ret,8),a[x]) + return ret +} + +function int2ip(ip,ret,x) { + ret=and(ip,255) + ip=rshift(ip,8) + for(;x<3;ret=and(ip,255)"."ret,ip=rshift(ip,8),x++); + return ret +} diff --git a/package/base-files/default/usr/lib/parse-config.awk b/package/base-files/default/usr/lib/parse-config.awk new file mode 100644 index 000000000..bde5c0072 --- /dev/null +++ b/package/base-files/default/usr/lib/parse-config.awk @@ -0,0 +1,40 @@ +{ + line=$0 + gsub(/^[ \t]*/, "") + gsub(/[ \t]*$/, "") +} + +$1 == "@define" { + v[$2] = $3 +} + +$1 == "@ifdef" { + if_open = 1 + if (v[$2] != "") noprint = 0 + else noprint = 1 +} + +$1 == "@ifndef" { + if_open = 1 + if (v[$2] != "") noprint = 1 + else noprint = 0 +} + +$1 == "@else" { + if (noprint == 1) noprint = 0 + else noprint = 1 +} + +($1 !~ /^@/) && (noprint != 1) { + n=split(line "@@", a, /@@/) + for (i=1; i<=n; i++) { + if ((i % 2) == 1) printf a[i] + else printf v[a[i]] + } + print "" +} + +$1 == "@endif" { + if_open = 0 + noprint = 0 +} diff --git a/package/base-files/default/usr/share/udhcpc/default.script b/package/base-files/default/usr/share/udhcpc/default.script index 42d3eaf0c..4604648e6 100755 --- a/package/base-files/default/usr/share/udhcpc/default.script +++ b/package/base-files/default/usr/share/udhcpc/default.script @@ -1,18 +1,17 @@ #!/bin/sh [ -z "$1" ] && echo "Error: should be run by udhcpc" && exit 1 +. /etc/config/network RESOLV_CONF="/tmp/resolv.conf" hotplug_event() { - nvram show 2>&- | grep _proto=dhcp | { - while :; do - read FOO - [ -z "$FOO" ] && break - FOO="${FOO%%_*}" - [ "$(nvram get ${FOO}_ifname)" = "${interface}" ] || continue - env -i ACTION="$1" INTERFACE="${FOO}" PROTO=dhcp /sbin/hotplug iface - done - } + for ifname in lan wan wifi ${ifnames}; do + eval "proto=\"\${${ifname}_proto}\"" + eval "if=\"\${${ifname}_ifname}\"" + [ "$proto" = "dhcp" ] || continue + [ "$if" = "$interface" ] || continue + env -i ACTION="$1" INTERFACE="$ifname" PROTO=dhcp /sbin/hotplug iface + done } case "$1" in @@ -26,22 +25,20 @@ case "$1" in broadcast ${broadcast:-+} if [ -n "$router" ] ; then - - if [ "$router" != "$(route -n | grep '^0.0.0.0' | grep $interface | awk '{ print $2 }')" ] ; then - while route del default gw 0.0.0.0 dev $interface 2>&- ; do - echo "removing old default route" - done - for i in $router ; do - route add default gw $i dev $interface - done - fi + echo "deleting routers" + while route del default gw 0.0.0.0 dev $interface >&- 2>&- ; do :; done + + for i in $router ; do + echo "adding router $i" + route add default gw $i dev $interface + done fi echo -n > $RESOLV_CONF ${domain:+echo search $domain} >> $RESOLV_CONF for i in $dns ; do - echo adding dns $i - echo nameserver $i >> $RESOLV_CONF + echo "adding dns $i" + echo "nameserver $i" >> $RESOLV_CONF done hotplug_event ifup -- cgit v1.2.3