[PATCH v10 4/4] Add fff-hoods

Christian Dresel fff at chrisi01.de
So Okt 1 19:48:35 CEST 2017


Hi

gibt es das hidden Netz wirklich bereits (da war in der letzten Version
ein Bug drinnen, das er das Radio nicht dran hängt)? Kannst du dich mit
Laptop verbinden? Ist das Interface am Uplinkrouter da und hat es dort
auch die fe80::1?

Bei mir hat es bis v4 oder so geklappt, danach hab ich es nicht mehr
getestet.

mfg

Christian

On 01.10.2017 19:29, mail at adrianschmutzler.de wrote:
> Hallo,
>
> hab jetzt ein Testsetup, aber mein zweiter Router scheitert beim Zugriff
> über w2sta:
>
> Connecting to [fe80::1%w2sta] ([fe80::1%w2sta]:80)
> wget: can't connect to remote host: Permission denied
>
> Beim pingen kommt die gleiche Meldung.
>
> Grüße
>
> Adrian
>
>
>> -----Original Message-----
>> From: franken-dev [mailto:franken-dev-bounces at freifunk.net] On Behalf
>> Of mail at adrianschmutzler.de
>> Sent: Sonntag, 1. Oktober 2017 16:10
>> To: franken-dev at freifunk.net
>> Subject: RE: [PATCH v10 4/4] Add fff-hoods
>>
>> Hallo nochmal,
>>
>> der Shellchecker bringt mir das hier:
>>
>> Line 11:
>>                 return true;
>>                        ^-- SC2152: Can only return 0-255. Other data
> should be written to
>> stdout.
>>
>> Line 13:
>>                 return false;
>>                        ^-- SC2152: Can only return 0-255. Other data
> should be written to
>> stdout.
>>
>> Line 21:
>>         if [ isGatewayAvailable ]; then
>>              ^-- SC2078: This expression is constant. Did you forget a $
> somewhere?
>>
>> Sollte man die Funktion vll. auf 0 und 1 umschreiben?
>>
>> Grüße
>>
>> Adrian
>>
>>> -----Original Message-----
>>> From: franken-dev [mailto:franken-dev-bounces at freifunk.net] On Behalf
>>> Of Adrian Schmutzler
>>> Sent: Sonntag, 1. Oktober 2017 15:49
>>> To: franken-dev at freifunk.net
>>> Cc: Jan Kraus <mayosemmel at gmail.com>
>>> Subject: [PATCH v10 4/4] Add fff-hoods
>>>
>>> From: Christian Dresel <fff at chrisi01.de>
>>>
>>> this packages connect to keyxchangev2
>>> after review we must change the serveradress! This is only a example
>>>
>>> Signed-off-by: Christian Dresel <fff at chrisi01.de>
>>> Signed-off-by: Jan Kraus <mayosemmel at gmail.com>
>>> Signed-off-by: Adrian Schmutzler <freifunk at adrianschmutzler.de>
>>>
>>> Update in v2:
>>>  - clean tabstops
>>>  - move the json vpn out of the if because we need this after reboot
>>>
>>> Update in v5:
>>> 	!!UNTESTED!!
>>>  - change hidden AP ip to locallink
>>>  - Open hidden AP after more checks
>>>  - Load json File from Gateway if Gateway in Batman in Range
>>>
>>> Update in v6:
>>> 	!!UNTESTED!!
>>>  - fix hidden station v6
>>>  - fix -n to -f if
>>>  - Add function to check for a gateway and use this
>>>  - remove /etc/community.cfg and variables
>>>  - send fewer infos to keyxchangev2
>>>  - add a check if /tmp/keyxchangev2 not downloadable and edit a bit
>>> on
>> the
>>> wgets
>>>  - change the position from json_load and do this only 1 times
>>>
>>> Update in v7:
>>> 	!!UNTESTED!!
>>>  - delete keyxchangev2data at start of the script
>>>  - do only things with keyxchangev2data if available
>>>  - change keyxchangev2 url
>>>
>>> Update in v8/v9:
>>>  - rebase onto 20170918-beta
>>>
>>> Update in v10:
>>>  - Minor code fixes
>>>  - Added fff-hoods to fff-base Makefile
>>>  - Removed trailing whitespaces and harmonized tabs
>>>  - Fixed some comments spelling
>>>  - Added mac for hostname rewrite
>>>  - Removed redundant check for /tmp/keyxchangev2data
>>> ---
>>>  src/packages/fff/fff-hoods/Makefile                |  39 ++++
>>>  .../files/etc/hotplug.d/iface/50-fff-hoods         |   5 +
>>>  .../fff/fff-hoods/files/usr/lib/micron.d/fff-hoods |   1 +
>>>  .../fff/fff-hoods/files/usr/sbin/configurehood     | 206
>>> +++++++++++++++++++++
>>>  src/packages/fff/fff/Makefile                      |   3 +-
>>>  5 files changed, 253 insertions(+), 1 deletion(-)  create mode 100644
>>> src/packages/fff/fff-hoods/Makefile
>>>  create mode 100644 src/packages/fff/fff-
>>> hoods/files/etc/hotplug.d/iface/50-fff-hoods
>>>  create mode 100644
>>> src/packages/fff/fff-hoods/files/usr/lib/micron.d/fff-
>>> hoods
>>>  create mode 100755 src/packages/fff/fff-
>>> hoods/files/usr/sbin/configurehood
>>>
>>> diff --git a/src/packages/fff/fff-hoods/Makefile
>>> b/src/packages/fff/fff- hoods/Makefile new file mode 100644 index
>>> 0000000..f85178d
>>> --- /dev/null
>>> +++ b/src/packages/fff/fff-hoods/Makefile
>>> @@ -0,0 +1,39 @@
>>> +include $(TOPDIR)/rules.mk
>>> +
>>> +PKG_NAME:=fff-hoods
>>> +PKG_VERSION:=0.0.1
>>> +PKG_RELEASE:=1
>>> +
>>> +PKG_BUILD_DIR:=$(BUILD_DIR)/fff-hoods
>>> +
>>> +include $(INCLUDE_DIR)/package.mk
>>> +
>>> +define Package/fff-hoods
>>> +    SECTION:=base
>>> +    CATEGORY:=Freifunk
>>> +    TITLE:= Freifunk-Franken hoods
>>> +    URL:=http://www.freifunk-franken.de
>>> +    DEPENDS:=+fff-network
>>> +endef
>>> +
>>> +define Package/fff-hoods/description
>>> +    This package load and configures the current hood endef
>>> +
>>> +define Build/Prepare
>>> +	echo "all: " > $(PKG_BUILD_DIR)/Makefile endef
>>> +
>>> +define Build/Configure
>>> +	# nothing
>>> +endef
>>> +
>>> +define Build/Compile
>>> +	# nothing
>>> +endef
>>> +
>>> +define Package/fff-hoods/install
>>> +	$(CP) ./files/* $(1)/
>>> +endef
>>> +
>>> +$(eval $(call BuildPackage,fff-hoods))
>>> diff --git
>> a/src/packages/fff/fff-hoods/files/etc/hotplug.d/iface/50-fff-hoods
>>> b/src/packages/fff/fff-hoods/files/etc/hotplug.d/iface/50-fff-hoods
>>> new file mode 100644
>>> index 0000000..49f53e3
>>> --- /dev/null
>>> +++ b/src/packages/fff/fff-hoods/files/etc/hotplug.d/iface/50-fff-hood
>>> +++ s
>>> @@ -0,0 +1,5 @@
>>> +#!/bin/sh
>>> +[ "$ACTION" = "ifup" -a "$INTERFACE" = "wan" ] && {
>>> +       sleep 3
>>> +       /usr/sbin/configurehood
>>> +}
>>> diff --git
>>> a/src/packages/fff/fff-hoods/files/usr/lib/micron.d/fff-hoods
>>> b/src/packages/fff/fff-hoods/files/usr/lib/micron.d/fff-hoods
>>> new file mode 100644
>>> index 0000000..ca8d798
>>> --- /dev/null
>>> +++ b/src/packages/fff/fff-hoods/files/usr/lib/micron.d/fff-hoods
>>> @@ -0,0 +1 @@
>>> +*/5 * * * * /usr/sbin/configurehood
>>> diff --git a/src/packages/fff/fff-hoods/files/usr/sbin/configurehood
>>> b/src/packages/fff/fff-hoods/files/usr/sbin/configurehood
>>> new file mode 100755
>>> index 0000000..ad316f8
>>> --- /dev/null
>>> +++ b/src/packages/fff/fff-hoods/files/usr/sbin/configurehood
>>> @@ -0,0 +1,206 @@
>>> +#!/bin/sh
>>> +
>>> +. /usr/share/libubox/jshn.sh
>>> +. /lib/functions/fff/wireless
>>> +
>>> +rm /tmp/keyxchangev2data
>>> +
>>> +# Gatewaycheck function
>>> +isGatewayAvailable() {
>>> +	if [ "$(batctl gwl | wc -l)" -gt 2 ]; then
>>> +		return true;
>>> +	else
>>> +		return false;
>>> +	fi
>>> +}
>>> +
>>> +
>>> +# Hidden AP check
>>> +
>>> +if [ -f /tmp/hiddenapflag ]; then
>>> +	if [ isGatewayAvailable ]; then
>>> +		if ! wifiAddAP "$radio" "config.franken.freifunk.net"
>>> "configap" "configap" "1"; then
>>> +			echo "Can't add AP interface on $radio."
>>> +			exit 1
>>> +		else
>>> +			# We must set a fixed ip address here
>>> +			uci set network.configap=interface
>>> +			uci set network.configap.proto='static'
>>> +			uci set network.configap.ip6addr='fe80::1/64'
>>> +			uci commit network
>>> +		fi
>>> +	else
>>> +		rm /tmp/hiddenapflag
>>> +	fi
>>> +fi
>>> +
>>> +
>>> +lat=$(uci get system. at system[0].latitude) long=$(uci get
>>> +system. at system[0].longitude) hostname=$(cat
>>> /proc/sys/kernel/hostname)
>>> +mac=$(awk '{ mac=toupper($1); gsub(":", "", mac); print mac }'
>>> +/sys/class/net/br-mesh/address 2>/dev/null) [ "$hostname" =
>> "OpenWrt"
>>> +]
>>> && hostname=""
>>> +[ "$hostname" = "" ] &&  hostname="$mac"
>>> +
>>> +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 we have Internet, we download the Hoodfile from the keyxchangev2
>>> +if ping -w5 -c3 "$test_ipv4_host1" &>/dev/null ||
>>> +	ping -w5 -c3 "$test_ipv4_host2" &>/dev/null ||
>>> +	ping6 -w5 -c3 "$test_ipv6_host1" &>/dev/null; then
>>> +	wget -T15 -t5 "http://keyserver.freifunk-
>>> franken.de/v2/?lat=$lat&long=$long" -O /tmp/keyxchangev2data
>>> +	#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
>>> +		if ! wifiDelAll; then
>>> +			echo "Can't delete current wifi setup"
>>> +			exit 1
>>> +		fi
>>> +		#now we look for phy and add this
>>> +		for phy in $(iw phy | awk '/^Wiphy/{ print $2 }'); do
>>> +			if iw phy "$phy" info | grep -q -m1 "2... MHz"; then
>>> +				echo "$phy is 2.4 GHz"
>>> +				radio=$(wifiAddPhy "$phy"
>>> "$BATMAN_CHANNEL")
>>> +				if [ -z "$radio" ]; then
>>> +					echo "Can't create radio for $phy"
>>> +					exit 1
>>> +				fi
>>> +			fi
>>> +			if iw phy "$phy" info | grep -q -m1 "5... MHz"; then
>>> +				echo "$phy is 5 GHz"
>>> +				radio=$(wifiAddPhy "$phy"
>>> "$BATMAN_CHANNEL_5GHZ")
>>> +				if [ -z "$radio" ]; then
>>> +					echo "Can't create radio for $phy"
>>> +					exit 1
>>> +				fi
>>> +			fi
>>> +			#and here we add the station
>>> +			if ! wifiAddSta "$radio"
>> "config.franken.freifunk.net"
>>> "configSta"; then
>>> +				echo "Can't add Sta interface on $radio."
>>> +				exit 1
>>> +			fi
>>> +
>>> +		done
>>> +
>>> +		wifi
>>> +		# wait a moment to start the interface
>>> +		sleep 10;
>>> +		# and here we can download the Hoodfile from the other
>>> node
>>> +		wget -T15 -t5 "http://[fe80::1%w2sta]/keyxchangev2data" -O
>>> /tmp/keyxchangev2data
>>> +	else
>>> +		echo "We have a Gateway in Range, we load the
>>> keyxchangev2data from fe80::1"
>>> +		wget -T15 -t5 "http://[fe80::1%br-mesh]/keyxchangev2data"
>>> -O /tmp/keyxchangev2data
>>> +	fi
>>> +
>>> +fi
>>> +
>>> +if [ -s /tmp/keyxchangev2data ]; then
>>> +
>>> +	# we get a json file in this format:
>>> +	# https://pw.freifunk-franken.de/patch/205/
>>> +	# but without signature, every hood file we get is valid!
>>> +
>>> +	json_load "$(cat /tmp/keyxchangev2data)"
>>> +	sumnew=$(sha256sum /tmp/keyxchangev2data | cut -f1 -d " ")
>>> +	sumold=$(sha256sum /www/public/keyxchangev2data &>/dev/null
>>> | cut -f1 -d " ")
>>> +	if [ "$sumnew" != "$sumold" ]; then
>>> +		echo "New file detect, we reconfigure the Node";
>>> +
>>> +		# copy the file to webroot so that other Meshrouter can
>>> download it
>>> +		cp /tmp/keyxchangev2data /www/public/
>>> +
>>> +		json_select hood
>>> +
>>> +		json_get_var hood name
>>> +		json_get_var mesh_bssid mesh_bssid
>>> +		json_get_var mesh_essid mesh_essid
>>> +		json_get_var essid essid
>>> +		# i think the next things we don't active this in the first
>>> version! we can do it later
>>> +		#json_get_var channel2 channel2
>>> +		#json_get_var mode2 mode2
>>> +		#json_get_var type2 type2
>>> +		#json_get_var channel5 channel5
>>> +		#json_get_var mode5 mode5
>>> +		#json_get_var type5 type5
>>> +		#json_get_var protocol protocol
>>> +
>>> +		echo "Setting hood name: $hood"
>>> +		uci set "system. at system[0].hood=$hood"
>>> +
>>> +		if ! wifiDelAll; then
>>> +			echo "Can't delete current wifi setup"
>>> +			exit 1
>>> +		fi
>>> +
>>> +		for phy in $(iw phy | awk '/^Wiphy/{ print $2 }'); do
>>> +			if iw phy "$phy" info | grep -q -m1 "2... MHz"; then
>>> +				echo "$phy is 2.4 GHz"
>>> +				radio=$(wifiAddPhy "$phy" "1")
>>> +				if [ -z "$radio" ]; then
>>> +					echo "Can't create radio for $phy"
>>> +					exit 1
>>> +				fi
>>> +			fi
>>> +			if iw phy "$phy" info | grep -q -m1 "5... MHz"; then
>>> +				echo "$phy is 5 GHz"
>>> +				radio=$(wifiAddPhy "$phy" "13")
>>> +				if [ -z "$radio" ]; then
>>> +					echo "Can't create radio for $phy"
>>> +					exit 1
>>> +				fi
>>> +			fi
>>> +
>>> +			if ! wifiAddAP "$radio" "$essid" "mesh" "ap" "0";
>> then
>>> +				echo "Can't add AP interface on $radio."
>>> +				exit 1
>>> +			fi
>>> +
>>> +			# here we set a bit for add hidden AP
>>> +			touch /tmp/hiddenapflag
>>> +
>>> +			if ! wifiAddAdHocMesh "$radio" "$mesh_essid"
>>> "$mesh_bssid"; then
>>> +				echo "Can't add AP interface on $radio."
>>> +				exit 1
>>> +			fi
>>> +		done
>>> +
>>> +		echo "Loading wifi"
>>> +		wifi
>>> +
>>> +	else
>>> +		echo "We have no new file or we haven't got a file. We do
>>> nothing. We try it again in 5 minutes...";
>>> +	fi
>>> +
>>> +	# and now we read the VPN Data and give this data to fff-vpn
>>> +	json_load "$(cat /tmp/keyxchangev2data)"
>>> +
>>> +	json_select vpn
>>> +	Index="1"
>>> +	rm /tmp/fastd_fff_output
>>> +	touch /tmp/fastd_fff_output
>>> +	while json_select $Index > /dev/null
>>> +	do
>>> +		json_get_var protocol protocol
>>> +		if [ "$protocol" == "fastd" ]; then
>>> +			json_get_var servername name
>>> +			echo "####${servername}.conf" >>
>>> /tmp/fastd_fff_output
>>> +			echo "#name \"${servername}\";" >>
>>> /tmp/fastd_fff_output
>>> +			json_get_var key key
>>> +			echo "key \"${key}\";" >> /tmp/fastd_fff_output
>>> +			json_get_var address address
>>> +			json_get_var port port
>>> +			echo "remote ipv4 \"${address}\" port $port float;"
>>>>> /tmp/fastd_fff_output
>>> +		fi
>>> +		echo "" >> /tmp/fastd_fff_output
>>> +		echo "###" >> /tmp/fastd_fff_output
>>> +	done
>>> +	#this we do every 5 minutes, because it can change the VPN Protocol
>>> +	#and now we get to vpn-select Script and load VPNs
>>> +	sh /usr/sbin/vpn-select
>>> +fi
>>> diff --git a/src/packages/fff/fff/Makefile
>>> b/src/packages/fff/fff/Makefile index 166d423..305ab8d 100644
>>> --- a/src/packages/fff/fff/Makefile
>>> +++ b/src/packages/fff/fff/Makefile
>>> @@ -29,7 +29,8 @@ define Package/fff-base
>>>               +fff-wireless \
>>>               +fff-timeserver \
>>>               +fff-vpn-select \
>>> -             +simple-tc
>>> +             +simple-tc \
>>> +             +fff-hoods
>>>  endef
>>>
>>>  define Package/fff-base/description
>>> --
>>> 2.7.4
>>>
>>> --
>>> franken-dev mailing list
>>> franken-dev at freifunk.net
>>> http://lists.freifunk.net/mailman/listinfo/franken-dev-freifunk.net
>> --
>> franken-dev mailing list
>> franken-dev at freifunk.net
>> http://lists.freifunk.net/mailman/listinfo/franken-dev-freifunk.net


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