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authormbm <mbm@3c298f89-4303-0410-b956-a3cf2f4a3e73>2004-05-08 07:28:08 +0000
committermbm <mbm@3c298f89-4303-0410-b956-a3cf2f4a3e73>2004-05-08 07:28:08 +0000
commit78341629c4a2f13eeff799361308dd12f9b7044d (patch)
tree7e5375a5c67c7dcc4946cfff7c3d2c45d9a2b228 /root/etc
parente6a04b383a9e5fe8279c58d0753e9d84f75e33ea (diff)
*** empty log message ***
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@19 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'root/etc')
-rwxr-xr-xroot/etc/functions.sh118
-rw-r--r--root/etc/nvram.overrides41
-rw-r--r--root/etc/profile3
-rw-r--r--root/etc/sysctl.conf7
4 files changed, 169 insertions, 0 deletions
diff --git a/root/etc/functions.sh b/root/etc/functions.sh
new file mode 100755
index 000000000..1cf97e380
--- /dev/null
+++ b/root/etc/functions.sh
@@ -0,0 +1,118 @@
+#!/bin/sh
+
+. /etc/nvram.overrides
+
+debug () {
+ [ -z "$DEBUG" ] || echo $1
+}
+
+# allow env to override nvram
+nvram_get () {
+ eval "echo \${$1:-\$(nvram get $1)}"
+}
+
+# valid interface?
+if_valid () (
+ [ "${1%%[0-9]}" = "vlan" ] && {
+ i=${1#vlan}
+ hwname=$(nvram_get vlan${i}hwname)
+ hwaddr=$(nvram_get ${hwname}macaddr)
+ [ -z "$hwaddr" ] && return 1
+
+ vif=$(ifconfig -a | awk '{IGNORECASE=1} /^eth.*'$hwaddr'/ {print $1; exit}')
+ debug "# vlan$i: $hwname $hwaddr => $vif"
+
+ $DEBUG ifconfig $vif up
+ $DEBUG vconfig add $vif $i 2>/dev/null
+ }
+ ifconfig "$1" >/dev/null 2>&1 || [ "${1%%[0-9]}" = "br" ]
+ return $?
+)
+
+wifi () (
+ debug "### wifi $1 ###"
+ if=$(awk 'gsub(":","") {print $1}' /proc/net/wireless)
+ $DEBUG wlconf $if $1
+)
+
+ifup () (
+ type=$1
+ debug "### ifup $type ###"
+
+ if=$(nvram_get ${type}_ifname)
+ if [ "${if%%[0-9]}" = "ppp" ]; then
+ if=$(nvram_get pppoe_ifname)
+ fi
+
+ if_valid $if || return
+
+ $DEBUG ifconfig $if down
+ if [ "${if%%[0-9]}" = "br" ]; then
+ stp=$(nvram_get ${type}_stp)
+ $DEBUG brctl delbr $if
+ $DEBUG brctl addbr $if
+ $DEBUG brctl setfd $if 0
+ $DEBUG brctl stp $if $stp
+ if_list=$(nvram_get ${type}_ifnames)
+ for sif in $if_list; do {
+ if_valid $sif || continue
+ $DEBUG ifconfig $sif 0.0.0.0 up
+ $DEBUG brctl addif $if $sif
+ } done
+ fi
+
+ if_mac=$(nvram_get ${type}_hwaddr)
+ [ -z "$if_mac" ] || $DEBUG ifconfig $if hw ether $if_mac
+
+ if_proto=$(nvram_get ${type}_proto)
+ case "$if_proto" in
+ static)
+ if_ip=$(nvram_get ${type}_ipaddr)
+ if_netmask=$(nvram_get ${type}_netmask)
+ if_gateway=$(nvram_get ${type}_gateway)
+
+ ipcalc -s "$if_ip" || return
+ ipcalc -s "$if_netmask" || return
+ $DEBUG ifconfig $if $if_ip netmask $if_netmask up
+
+ ipcalc -s "$if_gateway" || return
+ $DEBUG route add default gw $if_gateway
+
+ [ -f /etc/resolv.conf ] && return
+
+ debug "# --- creating /etc/resolv.conf ---"
+ for dns in $(nvram_get ${type}_dns); do {
+ echo "nameserver $dns" >> /etc/resolv.conf
+ } done
+ ;;
+ dhcp)
+ pidfile=/tmp/dhcp-${type}.pid
+ if [ -f $pidfile ]; then
+ $DEBUG kill $(cat $pidfile)
+ fi
+ cmd="udhcpc -i $if -b -p $pidfile &"
+ ${DEBUG:-eval} $cmd
+ ;;
+ pppoe)
+ if_username=$(nvram_get ppp_username)
+ if_password=$(nvram_get ppp_passwd)
+ if_redial=$(nvram_get ppp_redialperiod)
+ if_idletime=$(nvram_get ppp_idletime)
+
+ $DEBUG ifconfig $if 0.0.0.0 up
+
+ $DEBUG /sbin/pppoecd $if -u $if_username -p $if_password -i 0 -I $if_redial -T $if_idletime -k
+ ;;
+ *)
+ echo "### WARNING $if: $if_proto is not supported"
+ ;;
+ esac
+)
+
+ifdown () (
+ type=$1
+ debug "### ifdown $type ###"
+ if=$(nvram_get ${type}_ifname)
+ if_valid $if || return
+ $DEBUG ifdown $if
+)
diff --git a/root/etc/nvram.overrides b/root/etc/nvram.overrides
new file mode 100644
index 000000000..058ce708e
--- /dev/null
+++ b/root/etc/nvram.overrides
@@ -0,0 +1,41 @@
+# NVRAM overrides
+# This file handles the NVRAM quirks of various hardware
+
+# linksys bug has lan doing dhcp; force static
+lan_proto="static"
+
+# failsafe if reset is held
+[ "$FAILSAFE" = "true" ] && {
+ debug "### FAILSAFE MODE ####"
+ lan_ifname="br0"
+ lan_ifnames="vlan0 vlan2 eth1 eth2 eth3"
+ lan_ipaddr="192.168.1.1"
+ lan_netmask="255.255.255.0"
+ lan_hwaddr="00:0B:AD:0A:DD:00"
+ wan_ifname="none"
+ wifi_ifname="none"
+}
+
+# hacks for 1.x hardware
+[ "$(nvram get boardnum)" = "42" ] && \
+[ "$(nvram get boardtype)" = "bcm94710dev" ] && {
+ debug "### 1.x hardware hack ###"
+ vlan1hwname="et0"
+ vlan2hwname="et0"
+
+ # we remap old device names to new
+ # it's recommended that you continue to
+ # use the old names to preserve backwards
+ # compatibility
+ remap () {
+ eval $1=\"$(nvram_get $1 | awk 'gsub("eth0","vlan2") gsub("eth1","vlan1")')\"
+ }
+
+ remap lan_ifname
+ remap lan_ifnames
+ remap wifi_ifname
+ remap wifi_ifnames
+ remap wan_ifname
+ remap wan_ifnames
+ remap pppoe_ifname
+}
diff --git a/root/etc/profile b/root/etc/profile
new file mode 100644
index 000000000..66e8b93dd
--- /dev/null
+++ b/root/etc/profile
@@ -0,0 +1,3 @@
+#!/bin/sh
+export PATH=/bin:/sbin:/usr/bin:/usr/sbin
+export PS1='\u@\h:\w\$ '
diff --git a/root/etc/sysctl.conf b/root/etc/sysctl.conf
new file mode 100644
index 000000000..8552a4ba3
--- /dev/null
+++ b/root/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