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Updated oref0-online.sh to enable persistent BTPAN #855

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auxlife wants to merge 17 commits into from
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Updated oref0-online.sh to enable persistent BTPAN #855

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37b2c4d
Allow for optional persistent BT PAN
auxlife Nov 28, 2017
e128f0e
Updated bt_connect
auxlife Nov 29, 2017
8866d07
Merge pull request #1 from auxlife/auxlifebmwe30is-patch-1
auxlife Nov 29, 2017
6b57b15
Updated bt_connect
auxlife Nov 29, 2017
1d4870f
Forgot to start BTPAN if Persistent
auxlife Nov 30, 2017
293cc77
Fixed if statements
auxlife Nov 30, 2017
2748c6f
Fixed errors
auxlife Nov 30, 2017
4bdc82f
Fixed bt_connect ip check loop
auxlife Nov 30, 2017
af037c3
Check and change default route as needed.
auxlife Nov 30, 2017
86845ab
check pref.json to enable persistent PAN
auxlife Nov 30, 2017
0aa8f30
Update oref0-online.sh
auxlife Nov 30, 2017
2f7277d
Bug fixes
auxlife Dec 1, 2017
591683c
Added comment
auxlife Dec 1, 2017
a9b57c3
Added default gateway to log output
auxlife Dec 5, 2017
bae066c
Fixed gateway logging
auxlife Dec 5, 2017
6b385bc
Update default GW if wlan connected after btpan
auxlife Dec 22, 2017
ff919f0
Merge pull request #2 from openaps/master
auxlife May 25, 2018
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129 changes: 90 additions & 39 deletions bin/oref0-online.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -4,6 +4,13 @@ main() {
MACs=$@
HostAPDIP='10.29.29.1'
echo; echo Starting oref0-online at $(date).
#Need to add "presistent_btpan": true to the end of the preferences.json file to enable PersistentBT Pan
if cat preferences.json | jq -e .persistent_btpan > /dev/null; then
PersistentBTPAN="true"
echo "At $(date) PersistentBT Pan is enabled"
else
PersistentBTPAN="false"
fi
# if we are connected to wifi but don't have an IP, try to get one
if iwgetid -r wlan0 | egrep -q "[A-Za-z0-9_]+"; then
if ! ip route | grep default | grep -q wlan0; then
Expand All @@ -12,26 +19,37 @@ main() {
ls -la /tmp/bad_wifi
else
echo Attempting to renew wlan0 IP
ip route del 0/0
sudo dhclient wlan0 -r -q
sudo dhclient wlan0
fi
fi
fi
echo "At $(date) my gateway is: $(ip route | awk '/default/ {print $3}') via interface $(ip route | awk '/default/ {print $5}')"
if ifconfig | egrep -q "wlan0" >/dev/null; then
#if [[ $(ip -4 -o addr show dev wlan0 | awk '{split($4,a,"/");print a[1]}') = $(print_local_ip wlan0) ]]; then
print_wifi_name
#if [[ $(ip -4 -o addr show dev wlan0 | awk '{split($4,a,"/");print a[1]}') = $(print_local_ip wlan0) ]]; then
print_wifi_name
echo -n "At $(date) my local wifi IP is: "
print_local_ip wlan0
fi
if ifconfig | egrep -q "bnep0" >/dev/null; then
#if [[ $(ip -4 -o addr show dev bnep0 | awk '{split($4,a,"/");print a[1]}') = $(print_local_ip bnep0) ]]; then
print_bluetooth_name
#fi
echo -n "At $(date) my local Bluetooth IP is: "
print_local_ip bnep0
else
echo "At $(date) my Bluetooth PAN is not connected"
fi
echo -n "At $(date) my public IP is: "
fi
if ifconfig | egrep -q "bnep0" >/dev/null; then
#if [[ $(ip -4 -o addr show dev bnep0 | awk '{split($4,a,"/");print a[1]}') = $(print_local_ip bnep0) ]]; then
print_bluetooth_name
#fi
if ! has_ip bnep0; then
sudo dhclient bnep0
fi
echo -n "At $(date) my local Bluetooth IP is: "
print_local_ip bnep0
else
if [ "$PersistentBTPAN" = "true" ] ; then
echo "At $(date) my Bluetooth PAN is not connected, trying to connect now"
bt_connect $MACs
else
echo "At $(date) my Bluetooth PAN is not connected"
fi
fi
echo -n "At $(date) my public IP is: "
if check_ip; then
stop_hotspot
if has_ip wlan0 && has_ip bnep0; then
Expand All @@ -40,27 +58,37 @@ main() {
ifdown wlan0; ifup wlan0
fi
fi
# if online via wifi, disconnect BT
# if online via wifi, disconnect BT if no persistent PAN
if has_ip wlan0 && ifconfig | egrep -q "bnep0" >/dev/null; then
bt_disconnect $MACs
#wifi_dhcp_renew
if [ "$PersistentBTPAN" != "true" ] ; then
bt_disconnect $MACs
#wifi_dhcp_renew
fi
fi
else
echo
print_wifi_name
if ! has_ip wlan0; then
wifi_dhcp_renew
fi
if ! check_ip >/dev/null; then
if has_ip bnep0; then
#check if default route is using BT PAN, if not remove all gateways and release/renew bt dhcp lease
if ! ip route get 8.8.8.8 | egrep -q "bnep0" >/dev/null; then
ip route del 0/0
sudo dhclient bnep0 -r -q
sudo dhclient bnep0
fi
else
bt_connect $MACs
fi

#print_wifi_name
if check_ip >/dev/null; then
# if we're online after activating bluetooth, shut down any local-access hotspot we're running
stop_hotspot
if ! print_local_ip wlan0 | egrep -q "[A-Za-z0-9_]+" >/dev/null; then
wifi_dhcp_renew
fi
if ! print_local_ip wlan0 | egrep -q "[A-Za-z0-9_]+" >/dev/null; then
wifi_dhcp_renew
fi
else
# if we can't connect via BT, might as well try previously bad wifi networks again
rm /tmp/bad_wifi
Expand Down Expand Up @@ -114,33 +142,56 @@ function bt_connect {
# loop over as many MACs as are provided as arguments
for MAC; do
#echo -n "At $(date) my public IP is: "
if ! check_ip >/dev/null; then
if [ "$PersistentBTPAN" == "true" ]; then
if has_ip bnep0; then
break
fi
echo; echo "No BT PAN detected, attempting to connect BT to $MAC"
else
if check_ip > /dev/null; then
break
fi
echo; echo "No Internet access detected, attempting to connect BT to $MAC"
oref0-bluetoothup
sudo bt-pan client $MAC -d
sudo bt-pan client $MAC && sudo dhclient bnep0
if ifconfig | egrep -q "bnep0" >/dev/null; then
echo -n "Connected to Bluetooth with IP: "
print_local_ip bnep0
fi
oref0-bluetoothup
sudo bt-pan client $MAC -d
sudo bt-pan client $MAC && sudo dhclient bnep0
if ifconfig | egrep -q "bnep0" >/dev/null; then
if ! has_ip bnep0; then
sudo dhclient bnep0
fi
# if we couldn't reach the Internet over wifi, but (now) have a bnep0 IP, release the wifi IP/route
if has_ip wlan0 && has_ip bnep0 && ! grep -q $HostAPDIP /etc/network/interfaces; then
# release the wifi IP/route but *don't* renew it, in case it's not working
echo -n "Connected to Bluetooth with IP: "
print_local_ip bnep0
fi
# if we couldn't reach the Internet over wifi, but (now) have a bnep0 IP, release the wifi IP/route
if has_ip wlan0 && has_ip bnep0 && ! grep -q $HostAPDIP /etc/network/interfaces; then
#check if Persistent Pan
if [ "$PersistentBTPAN" == "true" ] ; then
#check if BT is routing traffic
if ip route get 8.8.8.8 | egrep -q "bnep0" >/dev/null; then
# release the wifi IP/route but *don't* renew it, in case it's not working
sudo dhclient wlan0 -r
iwgetid -r wlan0 >> /tmp/bad_wifi
fi
else
sudo dhclient wlan0 -r
iwgetid -r wlan0 >> /tmp/bad_wifi
iwgetid -r wlan0 >> /tmp/bad_wifi
fi
#echo
fi
#echo
done
}

function bt_disconnect {
echo "Disconnecting BT $MAC"
ifdown bnep0
# loop over as many MACs as are provided as arguments
for MAC; do
sudo bt-pan client $MAC -d
done
#check if Persistent Pan
if [ "$PersistentBTPAN" != "true" ] ; then
echo "Disconnecting BT $MAC"
ifdown bnep0
# loop over as many MACs as are provided as arguments
for MAC; do
sudo bt-pan client $MAC -d
done
fi
}

function wifi_dhcp_renew {
Expand All @@ -150,7 +201,7 @@ function wifi_dhcp_renew {
else
echo; echo "Getting new wlan0 IP"
ps aux | grep -v grep | grep -q "dhclient wlan0" && sudo killall dhclient
sudo dhclient wlan0 -r
sudo dhclient wlan0 -r -q
sudo dhclient wlan0
fi
}
Expand Down