forked from freifunk-franken/firmware
242 lines
7.5 KiB
Bash
Executable File
242 lines
7.5 KiB
Bash
Executable File
#!/bin/sh
|
|
|
|
. /usr/share/libubox/jshn.sh
|
|
. /lib/functions/fff/keyxchange
|
|
. /lib/functions/fff/network
|
|
. /lib/functions/fff/wireless
|
|
. /lib/functions/fff/timeserver
|
|
. /usr/lib/functions/fff/hoodfile
|
|
|
|
|
|
hoodfilelocal=/etc/hoodfile
|
|
|
|
rm -f "$hoodfiletmp"
|
|
|
|
# Gatewaycheck function
|
|
isGatewayAvailable() {
|
|
if [ "$(batctl gwl | wc -l)" -gt 2 ]; then
|
|
return 0
|
|
else
|
|
return 1
|
|
fi
|
|
}
|
|
|
|
# Ping test
|
|
hasInternet() {
|
|
test_ipv4_host1="keyserver.freifunk-franken.de" # Freifunk-Franken keyserver
|
|
test_ipv4_host2="8.8.8.8" # Google DNS
|
|
test_ipv6_host1="heise.de" # heise Zeitschriftenverlag
|
|
if ping -w5 -c3 "$test_ipv4_host1" &>/dev/null ||
|
|
ping -w5 -c3 "$test_ipv4_host2" &>/dev/null ||
|
|
ping6 -w5 -c3 "$test_ipv6_host1" &>/dev/null ; then
|
|
return 0
|
|
fi
|
|
return 1
|
|
}
|
|
|
|
# Hidden AP check
|
|
|
|
if [ -s "$hoodfilewww" ] && isGatewayAvailable ; then
|
|
needwifi="0"
|
|
for radio in $(uci show wireless | sed -n 's,.*\.\([a-z0-9]*\)=wifi-device,\1,p'); do
|
|
freq="2"
|
|
if [ "$(uci get "wireless.${radio}.channel")" -gt "14" ]; then
|
|
freq="5"
|
|
fi
|
|
# Break: wXconfig is up
|
|
uci -q get "wireless.w${freq}configap" > /dev/null && continue
|
|
# Break: No mesh interface
|
|
(uci -q get "wireless.w${freq}mesh" > /dev/null || uci -q get "wireless.w${freq}ibss" > /dev/null) || continue
|
|
|
|
# Create configap
|
|
iface="configap$freq"
|
|
uci set network.${iface}=interface
|
|
uci set network.${iface}.proto='static'
|
|
uci set network.${iface}.ip6addr='fe80::1/64'
|
|
uci commit network
|
|
reload_config
|
|
if ! wifiAddAP "$radio" "config.franken.freifunk.net" "$iface" "configap" "1"; then
|
|
echo "Can't add Config interface on $radio."
|
|
exit 1
|
|
fi
|
|
needwifi="1"
|
|
done
|
|
|
|
if [ "$needwifi" = "1" ] ; then
|
|
wifi
|
|
sleep 10
|
|
fi
|
|
fi
|
|
|
|
if [ -s "$hoodfilelocal" ]; then
|
|
hoodfiletmp="$hoodfilelocal"
|
|
echo "Use local hood file"
|
|
else
|
|
# if we have Internet, we download the Hoodfile from the keyxchangev2
|
|
if hasInternet ; then
|
|
getKeyserverHoodfile "$hoodfiletmp" && cp "$hoodfiletmp" "$hoodfilewww"
|
|
|
|
#if no Internet, we connect to the hidden AP and download the file from another Node in range
|
|
else
|
|
# connect to wireless hidden ap here and download the json File from the nearest router
|
|
# Only do that, when we have no gateway in range. If the Uplinkrouter changed the hood, we lost the GW and do this automatically again, I think! Nice idea?
|
|
if ! isGatewayAvailable ; then
|
|
#now we haven't a gateway in Range, we search for a hidden AP to get a keyxchangev2data file!
|
|
#first we delete all wifi settings
|
|
rm -f "$hoodfileref" # delete this, so interfaces are recreated if reconnect with unchanged hood file takes place
|
|
rm -f "$hoodfilewww" # delete this, so wrong hood file is not broadcasted anymore
|
|
|
|
uci -q del "system.@system[0].hood"
|
|
uci -q commit system
|
|
reload_config
|
|
|
|
sleep 30 # Wait for the config AP, which may be created at the same time as this script has started
|
|
|
|
getEthernetHoodfile "$hoodfiletmp" || getWirelessHoodfile "$hoodfiletmp"
|
|
else
|
|
echo "We have a Gateway in Range, we load the keyxchangev2data from fe80::1"
|
|
getGatewayHoodfile "$hoodfiletmp" && cp "$hoodfiletmp" "$hoodfilewww"
|
|
fi
|
|
fi
|
|
fi
|
|
|
|
if [ -s "$hoodfiletmp" ]; then
|
|
|
|
# we get a json file in this format:
|
|
# https://pw.freifunk-franken.de/patch/205/
|
|
# but without signature, every hood file we get is valid!
|
|
|
|
sumnew=$(cat "$hoodfiletmp" 2>/dev/null | sha256sum | cut -f1 -d " ")
|
|
sumold=$(cat "$hoodfileref" 2>/dev/null | sha256sum | cut -f1 -d " ")
|
|
|
|
json_load "$(cat "$hoodfiletmp")"
|
|
|
|
if [ "$sumnew" != "$sumold" ] ; then
|
|
echo "New file detected, we reconfigure the Node";
|
|
|
|
json_select hood
|
|
|
|
json_get_var hood name
|
|
[ -n "$mesh_id" ] || json_get_var mesh_id mesh_id
|
|
[ -n "$mesh_bssid" ] || json_get_var mesh_bssid mesh_bssid
|
|
[ -n "$mesh_essid" ] || json_get_var mesh_essid mesh_essid
|
|
[ -n "$essid" ] || json_get_var essid essid
|
|
json_get_var ntpip ntp_ip
|
|
[ -n "$chan2ghz" ] || json_get_var chan2ghz channel2
|
|
[ -n "$mesh_type2" ] || json_get_var mesh_type2 mesh_type2
|
|
[ -n "$chan5ghz" ] || json_get_var chan5ghz channel5
|
|
[ -n "$mesh_type5" ] || json_get_var mesh_type5 mesh_type5
|
|
# Additional parameters may be activated in future versions
|
|
#json_get_var mode2 mode2
|
|
#json_get_var mode5 mode5
|
|
#json_get_var protocol protocol
|
|
|
|
json_select ".." # back to root
|
|
|
|
if ! ([ -n "$chan2ghz" ] && [ -n "$chan5ghz" ]) ; then
|
|
# If channel is missing, do nothing
|
|
exit 0
|
|
fi
|
|
|
|
echo "Setting hood name: $hood"
|
|
uci -q set "system.@system[0].hood=$hood"
|
|
uci -q commit system
|
|
reload_config
|
|
|
|
if ! wifiDelIface; then
|
|
echo "Can't delete current wifi setup"
|
|
exit 1
|
|
fi
|
|
|
|
for phy in $(iw phy | awk '/^Wiphy/{ print $2 }'); do
|
|
radio="$(wifiAddPhyCond "$phy" "2" "$chan2ghz")"
|
|
radio5="$(wifiAddPhyCond "$phy" "5" "$chan5ghz")"
|
|
[ -n "$radio5" ] && radio="$radio5"
|
|
|
|
if ! wifiAddAP "$radio" "$essid" "mesh" "ap" "0"; then
|
|
echo "Can't add AP interface on $radio."
|
|
exit 1
|
|
fi
|
|
|
|
# add 802.11s mesh if type == "802.11s"
|
|
if ( [ -n "$radio5" ] && [ "$mesh_type5" == "802.11s" ] ) || [ "$mesh_type2" == "802.11s" ]; then
|
|
if ! wifiAddMesh "$radio" "$mesh_id"; then
|
|
echo "Can't add Mesh interface on $radio."
|
|
exit 1
|
|
fi
|
|
fi
|
|
|
|
# add IBSS mesh if type == "ibss"
|
|
if ( [ -n "$radio5" ] && [ "$mesh_type5" == "ibss" ] ) || [ "$mesh_type2" == "ibss" ]; then
|
|
if ! wifiAddAdHocMesh "$radio" "$mesh_essid" "$mesh_bssid"; then
|
|
echo "Can't add AdHocMesh interface on $radio."
|
|
exit 1
|
|
fi
|
|
fi
|
|
done
|
|
|
|
echo "Loading wifi"
|
|
wifi
|
|
|
|
oldntp="$(uci -q get system.ntp.server)"
|
|
newntp="${ntpip}" # requires routable address, no link-local
|
|
[ "$newntp" = "$oldntp" ] || setTimeserver "${newntp}" # only rewrite if changed
|
|
|
|
# copy the file to webroot so that other mesh routers can download it;
|
|
# copy only after all other steps so IF can be reentered if something goes wrong
|
|
cp "$hoodfiletmp" "$hoodfileref"
|
|
|
|
# This is a workaround to enable alfred on devices which do not see a configap during initial setup
|
|
/etc/init.d/alfred restart
|
|
else
|
|
echo "We have no new file. We do nothing. We try it again in 5 minutes...";
|
|
fi
|
|
|
|
# and now we get to vpn-select script and load VPNs directly from /tmp/keyxchangev2data
|
|
|
|
if hasInternet ; then
|
|
sh /usr/sbin/vpn-select
|
|
else
|
|
sh /usr/sbin/vpn-stop
|
|
fi
|
|
|
|
# now we load the prefix from the hoodfile and set this to br-mesh
|
|
json_select network
|
|
json_get_var prefix ula_prefix
|
|
# Set $prefix::MAC as IP
|
|
if [ -n "$prefix" ] ; then
|
|
prefix="$(echo "$prefix" | sed -e 's,\\,,')"
|
|
mac="$(cat "/sys/class/net/br-mesh/address")"
|
|
addr="$(ipMacAssemble "$prefix" "$mac")"
|
|
addr="$(ipTidyColon "$addr")"
|
|
addr_eui="$(ipEUIAssemble "$prefix" "$mac")"
|
|
addr_eui="$(ipTidyColon "$addr_eui")"
|
|
for ip in $(ip -6 addr show dev br-mesh | grep inet6 | grep -v -e " $addr" -e " $addr_eui" -e " fe80::" -e " fdff::" | cut -f6 -d " "); do
|
|
ip -6 addr del "$ip" dev br-mesh
|
|
done
|
|
if ! ( ip -6 addr show dev br-mesh | grep -q "$addr" ) ; then
|
|
ip -6 addr add "$addr" dev br-mesh
|
|
echo "Set ULA address to br-mesh: $addr"
|
|
else
|
|
echo "Address already set."
|
|
fi
|
|
# Set $prefix::link-local as IP
|
|
if ! ( ip -6 addr show dev br-mesh | grep -q "$addr_eui" ) ; then
|
|
ip -6 addr add "$addr_eui" dev br-mesh
|
|
echo "Set ULA EUI-64 address to br-mesh: $addr_eui"
|
|
else
|
|
echo "Address already set."
|
|
fi
|
|
if ! ( ip -6 route show dev br-mesh | grep -q "fc00::" ) ; then
|
|
ip -6 route add fc00::/7 via fe80::1 dev br-mesh
|
|
echo "Set ULA route to br-mesh."
|
|
else
|
|
echo "Route already set."
|
|
fi
|
|
fi
|
|
json_select ".." # back to root
|
|
else
|
|
echo "We haven't got a file. We do nothing. We try it again in 5 minutes...";
|
|
exit 0
|
|
fi
|