testnet: move it to its own package, out of netmode

This commit is contained in:
Sukru Senli 2024-01-30 11:02:04 +01:00
parent 6b93fd6e27
commit d59793c752
8 changed files with 36 additions and 259 deletions

View file

@ -8,7 +8,7 @@
include $(TOPDIR)/rules.mk include $(TOPDIR)/rules.mk
PKG_NAME:=netmode PKG_NAME:=netmode
PKG_VERSION:=0.3.0 PKG_VERSION:=1.0.1
PKG_RELEASE:=1 PKG_RELEASE:=1
PKG_BUILD_DIR := $(BUILD_DIR)/$(PKG_NAME)-$(PKG_VERSION) PKG_BUILD_DIR := $(BUILD_DIR)/$(PKG_NAME)-$(PKG_VERSION)
PKG_LICENSE:=GPL-2.0-only PKG_LICENSE:=GPL-2.0-only

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@ -1,252 +0,0 @@
#!/bin/sh
# this scripts shifts the lan network prefixes
# if a wan interface has the same network prefix.
# do not shift range if the feature is explicitly disabled
[ "$(uci -q get netmode.shiftrange.enabled)" == "0" ] && exit 0
. /lib/functions.sh
. /lib/functions/network.sh
LOCKFILE="/tmp/70-shiftrange.lock"
RESTRICTED_NETS=""
ALL_NETS=""
#####
##### initial functions
#####
initial_check()
{
# run only on ifup
[ "$ACTION" == "ifup" ] || exit 0
# run only for uplink (not is_lan) interfaces
local islan="$(uci -q get network.$INTERFACE.is_lan)"
[ "$islan" != "1" ] || exit 0
# run only if the uplink interface has a configured protocol
local proto="$(uci -q get network.$INTERFACE.proto)"
[ "$proto" != "none" ] || exit 0
}
finish()
{
lock -u $LOCKFILE
rm -f $LOCKFILE
}
# just one instance of this script at a time
just_one_instance()
{
local counter=0
local limit=10
#wait for the lock to become free
while [ -e $LOCKFILE ] ; do
sleep 1
counter=$((counter + 1))
[ "$counter" -gt "$limit" ] && exit 1
done
lock $LOCKFILE
trap finish EXIT INT TERM
}
#####
##### helper functions
#####
#given a an ip and a mask in the form of "192.168.1.1/24"
#return the network address like "192.168.1.0/24"
get_network_address()
{
local ip="$1"
[ -z "$ip" ] && return
local prefix=${ip##*/}
local ip1=${ip%%.*} ; ip=${ip#*.*}
local ip2=${ip%%.*} ; ip=${ip#*.*}
local ip3=${ip%%.*} ; ip=${ip#*.*}
local ip4=${ip%%/*}
local ip=$((($ip1 << 24) + ($ip2 << 16) + ($ip3 << 8) + $ip4))
local mask=$((0xFFFFFFFF >> (32 - $prefix) << (32 - $prefix)))
local network=$(($ip & $mask))
local n1=$((($network & 0xFF000000) >> 24))
local n2=$((($network & 0x00FF0000) >> 16))
local n3=$((($network & 0x0000FF00) >> 8))
local n4=$(( $network & 0x000000FF))
echo "$n1.$n2.$n3.$n4/$prefix"
}
#given a network address (192.168.1.0/24)
#find the next network address (192.168.2.0/24)
next_network_address()
{
local ip=$1
local prefix=${ip##*/}
local ip1=${ip%%.*} ; ip=${ip#*.*}
local ip2=${ip%%.*} ; ip=${ip#*.*}
local ip3=${ip%%.*} ; ip=${ip#*.*}
local ip4=${ip%%/*}
local ip=$((($ip1 << 24) + ($ip2 << 16) + ($ip3 << 8) + $ip4))
local one="$((1 << (32-$prefix)))"
local new=$(($ip + $one))
local n1=$((($new & 0xFF000000) >> 24))
local n2=$((($new & 0x00FF0000) >> 16))
local n3=$((($new & 0x0000FF00) >> 8))
local n4=$(( $new & 0x000000FF))
echo "$n1.$n2.$n3.$n4/$prefix"
}
# given a network address and a prefix (192.168.2.0/24)
# return the first host ip available (192.168.2.1)
first_host_in_network ()
{
local ip=$1
local prefix=${ip##*/}
local ip1=${ip%%.*} ; ip=${ip#*.*}
local ip2=${ip%%.*} ; ip=${ip#*.*}
local ip3=${ip%%.*} ; ip=${ip#*.*}
local ip4=${ip%%/*}
local ip=$((($ip1 << 24) + ($ip2 << 16) + ($ip3 << 8) + $ip4))
local new=$(($ip + 1))
local n1=$((($new & 0xFF000000) >> 24))
local n2=$((($new & 0x00FF0000) >> 16))
local n3=$((($new & 0x0000FF00) >> 8))
local n4=$(( $new & 0x000000FF))
echo "$n1.$n2.$n3.$n4"
}
# given a network address,
# find the next available network address.
shift_range()
{
local net="$1"
while true ; do
if [ "$RESTRICTED_NETS" == "${RESTRICTED_NETS//$net/}" ] && [ "$ALL_NETS" == "${ALL_NETS//$net/}" ]; then
# found a net that is not in restricted nets nor in all nets
break
fi
net=$(next_network_address $net)
done
echo "$net"
}
#####
##### parse all interfaces section
#####
# RESTRICTED_NETS = all the IPs on wan interfaces
# ALL_NETS = all the IPs on any interface
parse_interface()
{
local interface=$1
local nets="" # "192.168.1.1/24"
local networks="" # "192.168.1.0/24"
config_get is_lan $interface is_lan
network_get_subnets nets $interface
for n in $nets ; do
networks="$networks $(get_network_address $n)"
done
[ "$is_lan" != "1" ] && RESTRICTED_NETS="$RESTRICTED_NETS $networks"
ALL_NETS="$ALL_NETS $networks"
}
# parse all the interfaces
# get all the IPs on wan interfaces and store them in restrict_nets
# get all the IPs on all interfaces and store them in ALL_NETS
parse_interfaces()
{
config_foreach parse_interface "interface"
}
#####
##### parse all lan interfaces section
#####
parse_lan()
{
local interface=$1
local nets=""
local ips=""
local newips=""
local ips_changed=0
[ "$interface" == "loopback" ] && return
config_get is_lan $interface is_lan
[ "$is_lan" == "1" ] || return
network_get_subnets ips $interface
for ip in $ips ; do
net="$(get_network_address $ip)"
if [ "$RESTRICTED_NETS" == "${RESTRICTED_NETS//$net/}" ] ; then
# net is not in restricted nets
# append ip to newips
[ -z "$newips" ] && newips="${ip%/*}" || newips="$newips ${ip%/*}"
continue
fi
#net is in RESTRICTED_NETS
local newnet=$(shift_range $net)
local newip="$(first_host_in_network $newnet)"
# append newip to newips
[ -z "$newips" ] && newips="$newip" || newips="$newips $newip"
ips_changed=1
logger "$0: Changing the ip on interface $interface from $ip to $newip/${newnet##*/}"
echo "$0: Changing the ip on interface $interface from $ip to $newip/${newnet##*/}" >/dev/console
done
#assign the new ips
if [ "$ips_changed" == "1" ] ; then
uci -q set network.$interface.ipaddr="$newips"
fi
}
# parse all the interface with is_lan=1
parse_lans()
{
config_foreach parse_lan "interface"
}
#####
##### main
#####
main()
{
initial_check
just_one_instance
config_load network
parse_interfaces
parse_lans
if [ -n "$(uci changes network)" ] ; then
ubus call uci commit '{"config":"network"}'
fi
}
main $@

26
testnet/Makefile Normal file
View file

@ -0,0 +1,26 @@
include $(TOPDIR)/rules.mk
PKG_NAME:=testnet
PKG_VERSION:=1.0.0
PKG_RELEASE:=1
PKG_BUILD_DIR := $(BUILD_DIR)/$(PKG_NAME)-$(PKG_VERSION)
PKG_LICENSE:=GPL-2.0-only
include $(INCLUDE_DIR)/package.mk
define Package/testnet
CATEGORY:=Utilities
TITLE:=Check WAN IP Connection
endef
define Package/testnet/description
Check WAN IP connection
endef
define Build/Compile
endef
define Package/testnet/install
$(CP) ./files/* $(1)/
endef
$(eval $(call BuildPackage,testnet))

View file

@ -1,7 +1,7 @@
#!/bin/sh #!/bin/sh
# do not start testnet if the feature is explicitly disabled # do not start testnet if the feature is explicitly disabled
[ "$(uci -q get netmode.testnet.enabled)" = "0" ] && exit 0 [ "$(uci -q get testnet.global.enabled)" = "0" ] && exit 0
[ "$ACTION" == "ifup" -o "$ACTION" == "ifdown" ] || exit 0 [ "$ACTION" == "ifup" -o "$ACTION" == "ifdown" ] || exit 0

View file

@ -14,14 +14,17 @@ test_connection() {
local defroute="$(ip r | grep default | awk '{print$3}' | head -1)" local defroute="$(ip r | grep default | awk '{print$3}' | head -1)"
local def6route="$(ip -f inet6 r | grep default | awk '{print$3}')" local def6route="$(ip -f inet6 r | grep default | awk '{print$3}')"
local ping6dev="$(ip -f inet6 r | grep default | awk '{print$5}')" local ping6dev="$(ip -f inet6 r | grep default | awk '{print$5}')"
local resolvfile="$(uci -q get dhcp.@dnsmasq[0].resolvfile)"
if [ -n "$addr" ]; then if [ -n "$addr" ]; then
ping -q -w 5 -c 1 $addr >/dev/null 2>&1 && return 0 ping -q -w 5 -c 1 $addr >/dev/null 2>&1 && return 0
elif [ -n "$defroute" ]; then elif [ -n "$defroute" ]; then
ping -q -w 5 -c 1 $defroute >/dev/null 2>&1 && return 0 ping -q -w 5 -c 1 $defroute >/dev/null 2>&1 && return 0
for nmsrv in $(grep nameserver /var/resolv.conf.auto | awk '{print$2}'); do if [ -e "$resolvfile" ]; then
ping -q -w 5 -c 1 $nmsrv >/dev/null 2>&1 && return 0 for nmsrv in $(grep nameserver "$resolvfile" | awk '{print$2}'); do
done ping -q -w 5 -c 1 $nmsrv >/dev/null 2>&1 && return 0
done
fi
elif [ -n "$def6route" -a -n "$ping6dev" ]; then elif [ -n "$def6route" -a -n "$ping6dev" ]; then
ndisc6 -w 5 -1 $def6route $ping6dev >/dev/null 2>&1 && return 0 ndisc6 -w 5 -1 $def6route $ping6dev >/dev/null 2>&1 && return 0
fi fi
@ -32,9 +35,9 @@ internet_test() {
local link dest local link dest
# use the destination address given in config for connectivity check # use the destination address given in config for connectivity check
dest="$(uci -q get netmode.testnet.destination)" dest="$(uci -q get testnet.global.destination)"
# for backwards compatibility # for backwards compatibility
[ -n "$dest" ] || dest="$(uci -q get diagnostics.@connectivity[0].destination)" [ -n "$dest" ] || dest="$(uci -q get system.@system[0].netping_addr)"
test_connection $dest test_connection $dest