#! /bin/sh

PATH=/sbin:/bin:/usr/bin:/usr/sbin
export PATH

mount -t proc proc /proc
/bin/mount -a
#/sbin/inetd

#enable ipv4 forwarding, ZyXEL, John
echo 1 > /proc/sys/net/ipv4/ip_forward

#disable ipv6 on all interface by default, Pochao
echo 1 > /proc/sys/net/ipv6/conf/default/disable_ipv6
#set default accept_ra when IPv6 is enable, ChihYuan
echo 0 > /proc/sys/net/ipv6/conf/default/accept_ra
#symlink for telnetd and dropbear, ZyXEL, John
#__ZYXEL__, Chi-Hsiang cannot work on XMG3512  
#ln -s /dev/pts/ptmx /dev/ptmx

#mkdir -p /var/spool/cron/crontabs/root

# for zcfg_msg sock
mkdir -p /var/lib/.sock
chmod 713 /var/lib/.sock
#chmod 711 /var/lib/

#mount devtmpfs for /proc/bus/usb/
mount -t devtmpfs devtmpfs /dev

# pppd lock dir
mkdir /var/lock

mkdir -m 755 -p /var/fyi
mkdir -m 755 -p /var/fyi/sys

# 3G WWAN
mkdir /var/wwan
# 4G LTE WNC
test -e /etc/malmanager.cfg && cp /etc/malmanager.cfg /var/

# usb
mkdir /var/mount
mkdir /var/usb

#logrotate
mkdir -m 755 -p /var/lib

# ZyXEL,Cj, TCP timestamp response Vulnerabilities
# echo 0 > /proc/sys/net/ipv4/tcp_timestamps

# ZyXEL, Mark, set unix socket maximun queue
echo 64 > /proc/sys/net/unix/max_dgram_qlen

#ZyXEL, Bell, set and update module.dep before zcmd and zcfg_be
depmod

#Zyxel, Trevor, set watchdog for 502L07
wdtctl -t 80 start

#ZyXEL, Chi-Hsiang enable ipv6 in zcmd
for i in /etc/rc3.d/S*; do
	if [ -z ${i##*zcmd*} ]; then
		echo 0 > /proc/sys/net/ipv6/conf/default/disable_ipv6
	fi
	$i start
done

#ZyXEL, Bell, set printk log level at 2 (KERN_ALET)
echo 2 > /proc/sys/kernel/printk

#Zyxel, in the USB samba upload/download stress, it will cause system has low free-memory
#Prevent the low free-memory to cause system unstable
if [ `cat /proc/meminfo | grep 'MemTotal:' | awk '{print $2}'` -gt 110000 ]; then
	echo 5120 > /proc/sys/vm/min_free_kbytes
fi