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mangoh-drivers
Commit cdfbae33 by David Clark
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MangOH configure router script

Added script used to configure the MangOH to route to/from local LAN interface, i.e. eth0 to/from the cellular WAN interface, i.e. rmnet-data0.
parent e26b94cd
Showing with 305 additions and 0 deletions
scripts/cfg_gateway.sh 0 → 100644
#!/bin/sh
# Copyright (C) Sierra Wireless Inc. Use of this work is subject to license.
#
# PATH
export PATH=/legato/systems/current/bin:/usr/local/bin:/usr/bin:/bin:/usr/local/sbin:/usr/sbin:/sbin
# Interfaces configuration
export ITF_LAN="eth0" # LAN interface
export ITF_WAN="rmnet_data0" # 3G/4G interface as WLAN interface
export APN="internet.sierrawireless.com"
export LAN_IP="192.168.20.1"
export NET_MASK="255.255.255.0"
export DHCP_IP_START="192.168.20.10"
export DHCP_IP_END="192.168.20.100"
export WPA_SUPPLICANT_CFG_FILE="/etc/wpa_supplicant.cfg"
# DHCP config file
export DHCP_CFG_FILE_PREFIX="dnsmasq"
export DHCP_CFG_FILE_SUFFIX="conf"
# Test an IP address for validity:
valid_ip()
{
local ip=$1
echo "IP address ($ip)"
local result=$(expr "$ip" : '[0-9][0-9]*\.[0-9][0-9]*\.[0-9][0-9]*\.[0-9][0-9]*$')
if [ $result -gt 0 ]; then
IFS=.
set $ip
for quad in 1 2 3 4; do
if eval [ \$$quad -gt 255 ]; then
echo "Error IP address out of range($ip)"
return 1
fi
done
return 0
else
echo "Error invalid IP address ($ip)"
return 1
fi
}
# Test an Net Mask for validity:
valid_net_mask()
{
local net_mask=$1
local zero=0
echo "net mask ($net_mask)"
local result=$(expr "$net_mask" : '[0-9][0-9]*\.[0-9][0-9]*\.[0-9][0-9]*\.[0-9][0-9]*$')
if [ $result -gt 0 ]; then
IFS=.
set $net_mask
for quad in 1 2 3 4; do
if eval [ \$$quad -lt 255 ]; then
if eval [ \$$quad -ne 254 -a \
\$$quad -ne 252 -a \
\$$quad -ne 248 -a \
\$$quad -ne 240 -a \
\$$quad -ne 224 -a \
\$$quad -ne 192 -a \
\$$quad -ne 128 -a \
\$$quad -ne 0 ]; then
echo "Error net mask out of range ($net_mask)"
return 1
else
zero=1
fi
else
if eval [ $zero -ne 0 ]; then
echo "Error net mask out of range ($net_mask)"
return 1
fi
fi
done
return 0
else
echo "Error invalid net mask ($net_mask)"
return 1
fi
}
echo "MangOH gateway configuration"
read -p "Enter WAN (cellular) interface (default: rmnet_data0): " ITF_WAN
if [ -n $ITF_WAN ]; then
ITF_WAN="rmnet_data0"
fi
read -p "Enter LAN interface (default: eth0): " ITF_LAN
if [ -n $ITF_LAN ]; then
ITF_LAN="eth0"
fi
while true
do
read -p "Enter LAN IP (default: 192.168.20.1): " LAN_IP
if [ -n $LAN_IP ]; then
LAN_IP="192.168.20.1"
fi
valid_ip "$LAN_IP"
if [ "$?" -eq 0 ]; then
break
fi
done
while true
do
read -p "Enter LAN IP Mask (default: 255.255.255.0): " NET_MASK
if [ -n $NET_MASK ]; then
NET_MASK="255.255.255.0"
fi
valid_net_mask "$NET_MASK"
if [ "$?" -eq 0 ]; then
break
fi
done
if [[ ! -d /sys/class/net/${ITF_LAN} ]]; then
echo "Bring up LAN interface $ITF_LAN"
/sbin/ifup $ITF_LAN
if [ "$?" -ne 0 ]; then
echo "Bring up LAN interface $ITF_LAN failed"
exit 1
fi
fi
echo "Mounting LAN interface '$ITF_LAN' IP: '$LAN_IP', net mask: '$NET_MASK'"
/sbin/ifconfig "$ITF_LAN" "$LAN_IP" netmask "$NET_MASK" up
if [ "$?" -ne 0 ]; then
echo "Mounting LAN interface '$ITF_LAN' IP: '$LAN_IP', net mask: '$NET_MASK' failed"
exit 1
fi
echo "Check SIM inserted..."
cm sim
echo "Mounting the relay interface '$ITF_WAN'..."
case "$ITF_WAN" in
eth*)
/sbin/ifconfig "$ITF_WAN" up
;;
rmnet* | ppp*)
echo "Enabling the radio on '$ITF_WAN'..."
cm radio on
sleep 1
read -p "Enter APN (default: internet.sierrawireless.com): " APN
if [ -n $APN ]; then
APN="internet.sierrawireless.com"
fi
echo "Enabling the data connection on '$ITF_WAN' using APN '$APN'..."
cm data apn "$APN"
cm data pdp ipv4
cm data connect &
sleep 1
echo "Waiting for data connection on '$ITF_WAN'..."
;;
esac
RETRY=0
while [ ${RETRY} -lt 60 ] ; do
ITF_WAN_ADDR=$(/sbin/ifconfig "$ITF_WAN" | grep "inet addr" | cut -d ':' -f 2 | cut -d ' ' -f 1)
if [ "${ITF_WAN_ADDR}" == "" ]; then
sleep 1
RETRY=$((${RETRY} + 1))
else
break
fi
done
if [ "${ITF_WAN_ADDR}" == "" ]; then
echo "Mounting of relay interface '${ITF_WAN}' failed"
exit 1
else
echo "Relay interface '${ITF_WAN}' IP address is '${ITF_WAN_ADDR}'"
route add default gw "$ITF_WAN_ADDR" "$ITF_WAN"
sleep 5
fi
echo "Cleaning IP tables..."
iptables --flush
if [ "$?" -ne 0 ]; then
echo "Flush iptables failed"
exit 1
fi
iptables --table nat --flush
if [ "$?" -ne 0 ]; then
echo "Flush nat iptables failed"
exit 1
fi
iptables --table nat --delete-chain
if [ "$?" -ne 0 ]; then
echo "Flush nat iptables delete-chain failed"
exit 1
fi
echo "Enabling IP forwarding..."
sysctl -w net.ipv4.ip_forward=1
echo "Configuring the NAT..."
iptables -P INPUT ACCEPT
if [ "$?" -ne 0 ]; then
echo "iptables accept input failed"
exit 1
fi
iptables -P OUTPUT ACCEPT
if [ "$?" -ne 0 ]; then
echo "iptables accept output failed"
exit 1
fi
iptables -P FORWARD ACCEPT
if [ "$?" -ne 0 ]; then
echo "iptables accept forward failed"
exit 1
fi
iptables --table nat -A POSTROUTING -o $ITF_WAN -j MASQUERADE
if [ "$?" -ne 0 ]; then
echo "iptables postrouting failed"
exit 1
fi
iptables -A FORWARD -i $ITF_WAN -o $ITF_LAN -m state --state RELATED,ESTABLISHED -j ACCEPT
if [ "$?" -ne 0 ]; then
echo "iptables forward failed"
exit 1
fi
iptables -A FORWARD -i $ITF_LAN -o $ITF_WAN -m state --state NEW -j ACCEPT
if [ "$?" -ne 0 ]; then
echo "iptables forward failed"
exit 1
fi
iptables -A INPUT -m udp -p udp --sport 67:68 --dport 67:68 -j ACCEPT
if [ "$?" -ne 0 ]; then
echo "iptables accept input failed"
exit 1
fi
while true
do
read -p "Configure DHCP server (Y/n): " rsp
if [ "${rsp}" = 'Y' -o "${rsp}" = 'n' ]; then
break
fi
done
if [ "${rsp}" = 'Y' ]; then
while true
do
read -p "Enter start IP (default: 192.168.20.10): " DHCP_IP_START
if [ -n $DHCP_IP_START ]; then
DHCP_IP_START="192.168.20.10"
fi
valid_ip "$DHCP_IP_START"
if [ "$?" -eq 0 ]; then
break
fi
done
while true
do
read -p "Enter end IP (default: 192.168.20.100): " DHCP_IP_END
if [ -n $DHCP_IP_END ]; then
DHCP_IP_END="192.168.20.100"
fi
valid_ip "$DHCP_IP_END"
if [ "$?" -eq 0 ]; then
break
fi
done
echo "Reconfiguring the DHCP server..."
/etc/init.d/dnsmasq stop || echo "UNABLE TO STOP THE DHCP server"
### Configure the IP addresses range for DHCP (dnsmasq)
DHCP_CFG_FILE="$DHCP_CFG_FILE_PREFIX.$ITF_LAN.$DHCP_CFG_FILE_SUFFIX"
test -L "/etc/dnsmasq.d/$DHCP_CFG_FILE" && rm -f "/etc/dnsmasq.d/$DHCP_CFG_FILE"
test -f "/tmp/$DHCP_CFG_FILE" && rm -f "/tmp/$DHCP_CFG_FILE"
#test -L "/etc/dnsmasq.d/$DHCP_CFG_FILE" || ln -s "/tmp/$DHCP_CFG_FILE" "/etc/dnsmasq.d/$DHCP_CFG_FILE"
echo "Generating the configuration file '/tmp/$DHCP_CFG_FILE' for the DHCP server..."
echo -ne "log-dhcp\nlog-queries\n" \
"log-facility=/tmp/dnsmasq.log\n" \
"interface=$ITF_LAN\n" \
"dhcp-option=$ITF_LAN,3,$LAN_IP\n" \
"dhcp-option=$ITF_LAN,6,$LAN_IP\n" \
"dhcp-range=$DHCP_IP_START,$DHCP_IP_END,24h\n" \
"server=8.8.8.8\n" >> "/tmp/$DHCP_CFG_FILE"
ln -s "/tmp/$DHCP_CFG_FILE" "/etc/dnsmasq.d/$DHCP_CFG_FILE"
### Start the DHCP server
echo "Restarting the DHCP server..."
/etc/init.d/dnsmasq start || echo "UNABLE TO START THE DHCP server"
fi
echo "MangOH gateway configuration completed"
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