Import version 1.4 of Filippo "Fil" Bergamo's wifi scripts

I changed the path of the scripts from "scripts" to "device-files".

14 files changed, 1495 insertions, 0 deletions

diff --git a/networking/wifi/COPYING b/networking/wifi/COPYING
new file mode 100644
index 0000000..10926e8
--- /dev/null
+++ b/networking/wifi/COPYING
@@ -0,0 +1,675 @@
+                    GNU GENERAL PUBLIC LICENSE
+                       Version 3, 29 June 2007
+
+ Copyright (C) 2007 Free Software Foundation, Inc. <http://fsf.org/>
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+THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+PURPOSE.  THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE PROGRAM
+IS WITH YOU.  SHOULD THE PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF
+ALL NECESSARY SERVICING, REPAIR OR CORRECTION.
+
+  16. Limitation of Liability.
+
+  IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING
+WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MODIFIES AND/OR CONVEYS
+THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, INCLUDING ANY
+GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE
+USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED TO LOSS OF
+DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD
+PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER PROGRAMS),
+EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF
+SUCH DAMAGES.
+
+  17. Interpretation of Sections 15 and 16.
+
+  If the disclaimer of warranty and limitation of liability provided
+above cannot be given local legal effect according to their terms,
+reviewing courts shall apply local law that most closely approximates
+an absolute waiver of all civil liability in connection with the
+Program, unless a warranty or assumption of liability accompanies a
+copy of the Program in return for a fee.
+
+                     END OF TERMS AND CONDITIONS
+
+            How to Apply These Terms to Your New Programs
+
+  If you develop a new program, and you want it to be of the greatest
+possible use to the public, the best way to achieve this is to make it
+free software which everyone can redistribute and change under these terms.
+
+  To do so, attach the following notices to the program.  It is safest
+to attach them to the start of each source file to most effectively
+state the exclusion of warranty; and each file should have at least
+the "copyright" line and a pointer to where the full notice is found.
+
+    <one line to give the program's name and a brief idea of what it does.>
+    Copyright (C) <year>  <name of author>
+
+    This program is free software: you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+Also add information on how to contact you by electronic and paper mail.
+
+  If the program does terminal interaction, make it output a short
+notice like this when it starts in an interactive mode:
+
+    <program>  Copyright (C) <year>  <name of author>
+    This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
+    This is free software, and you are welcome to redistribute it
+    under certain conditions; type `show c' for details.
+
+The hypothetical commands `show w' and `show c' should show the appropriate
+parts of the General Public License.  Of course, your program's commands
+might be different; for a GUI interface, you would use an "about box".
+
+  You should also get your employer (if you work as a programmer) or school,
+if any, to sign a "copyright disclaimer" for the program, if necessary.
+For more information on this, and how to apply and follow the GNU GPL, see
+<http://www.gnu.org/licenses/>.
+
+  The GNU General Public License does not permit incorporating your program
+into proprietary programs.  If your program is a subroutine library, you
+may consider it more useful to permit linking proprietary applications with
+the library.  If this is what you want to do, use the GNU Lesser General
+Public License instead of this License.  But first, please read
+<http://www.gnu.org/philosophy/why-not-lgpl.html>.
+
diff --git a/networking/wifi/device-files/check_modules.sh b/networking/wifi/device-files/check_modules.sh
new file mode 100644
index 0000000..302e6d0
--- /dev/null
+++ b/networking/wifi/device-files/check_modules.sh
@@ -0,0 +1,127 @@
+#
+#	     THIS IS FREE SOFTWARE 
+#
+# Copyright (C) 2016, 2017 Filippo Fil Bergamo
+#
+# This file is part of "RepWifi", a set of shell scripts to ease libre wifi connectivity.
+#
+# RepWifi is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# RepWifi is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+# setup environment variables:
+source "/data/misc/wifi/setup_variables.sh"
+if [ $? -ne 0 ]; then
+	exit 1
+fi
+
+globresult=0
+
+# check, for every module, if it is running,
+# if not, insmod it.
+
+
+# ---- mac80211 ----
+mod=$(ls /sys/module | grep -c -Fx "mac80211")
+if [ "$mod" = "0" ]; then
+	echo -n -e "\tloading module mac80211.ko ..."
+	insmod $mod_mac80211
+	if [ $? = 0 ]; then
+		echo " [ OK! ]"
+	else
+		globresult=1
+		echo " [* FAIL! *]"
+	fi
+else
+	echo -e "\tmac80211.ko already loaded [ OK! ]"
+fi
+
+
+
+# ---- ath.ko ----
+mod=$(ls /sys/module | grep -c -Fx "ath")
+if [ "$mod" = "0" ]; then
+	echo -n -e "\tloading module ath.ko ..."
+	insmod "$mod_ath"
+	if [ $? = 0 ]; then
+		echo " [ OK! ]"
+	else
+		globresult=-1
+		echo " [* FAIL! *]"
+	fi
+else
+	echo -e "\tath.ko already loaded [ OK! ]"
+fi
+
+
+
+# ---- ath9k_hw ----
+mod=$(ls /sys/module | grep -c -Fx "ath9k_hw")
+if [ "$mod" = "0" ]; then
+	echo -n -e "\tloading module ath9k_hw.ko ..."
+	insmod "$mod_ath9k_hw"
+	if [ $? = 0 ]; then
+		echo " [ OK! ]"
+	else
+		globresult=1
+		echo " [* FAIL! *]"
+	fi
+else
+	echo -e "\tath9k_hw.ko already loaded [ OK! ]"
+fi
+
+
+
+# ---- ath9k_common ----
+mod=$(ls /sys/module | grep -c -Fx "ath9k_common")
+if [ "$mod" = "0" ]; then
+	echo -n -e "\tloading module ath9k_common.ko ..."
+	insmod "$mod_ath9k_common"
+	if [ $? = 0 ]; then
+		echo " [ OK! ]"
+	else
+		globresult=1
+		echo " [* FAIL! *]"
+	fi
+else
+	echo -e "\tath9k_common.ko already loaded [ OK! ]"
+fi
+
+
+
+# ---- ath0k_htc ----
+mod=$(ls /sys/module | grep -c -Fx "ath9k_htc")
+if [ "$mod" = "0" ]; then
+	echo -n -e "\tloading module ath9k_htc.ko ..."
+	insmod "$mod_ath9k_htc"
+	if [ $? = 0 ]; then
+		echo " [ OK! ]"
+	else
+		globresult=1
+		echo " [* FAIL! *]"
+	fi
+else
+	echo -e "\tath9k_htc.ko already loaded [ OK! ]"
+fi
+
+
+
+# check for global result:
+if [ "$globresult" -lt 0 ]; then
+	echo "ERRORS loading one or more modules.."
+	echo "Try re-running the script.."
+	exit $globresult
+else
+	echo "All modules loaded!"
+fi
+
+
diff --git a/networking/wifi/device-files/connect.sh b/networking/wifi/device-files/connect.sh
new file mode 100644
index 0000000..133fbd5
--- /dev/null
+++ b/networking/wifi/device-files/connect.sh
@@ -0,0 +1,115 @@
+#!/system/bin/bash
+#
+# Copyright (C) 2017 Wolfgang Wiedmeyer <wolfgit@wiedmeyer.de>
+# Copyright (C) 2016, 2017 Filippo Fil Bergamo
+#
+# This file is part of "RepWifi", a set of shell scripts to ease libre wifi connectivity.
+#
+# RepWifi is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# RepWifi is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+# setup environment variables:
+source "/data/misc/wifi/setup_variables.sh"
+if [ $? -ne 0 ]; then
+	exit 1
+fi
+
+# parse arguments <ssid> <password>
+if [ $# -eq 0 ]; then
+	echo "Missing arguments <ssid> <password> "
+	exit 1
+fi
+
+if [ $# -ne 2 ]; then
+	echo "Wrong argument count!"
+	exit 1
+fi
+
+# Set SSID and password of your wifi access point
+# WPA-Personal authentication method is assumed
+SSID="$1"
+PASSWORD="$2"
+
+wpa_comm="wpa_cli -p$socketfile -P$pidfile -i$ifacename"
+
+sup_pid=$(pidof wpa_supplicant)
+dhcp_pid=$(pidof dhcpcd)
+
+if ! [ -z "$sup_pid" ]; then
+	killall -SIGINT wpa_supplicant
+fi
+
+if ! [ -z "$dhcp_pid" ]; then
+	killall -SIGINT dhcpcd
+fi
+
+sleep 1s
+
+ndc network destroy 1
+ndc interface clearaddrs "$ifacename"
+
+# seems like explicitly pulling up the interface is necessary..
+# without this step, the interface gets removed during the execution of the script.
+ifconfig "$ifacename" up
+
+wpa_supplicant -B -dd -i"$ifacename" -C"$socketfile" -P"$pidfile" -I/system/etc/wifi/wpa_supplicant_overlay.conf -e/data/misc/wifi/entropy.bin
+
+sleep 1s
+
+if [ $? -ne 0 ]; then
+	echo "[DEBUG]starting wpa_supplicant FAILED!"
+	exit 1
+fi
+
+$wpa_comm add_network
+if [ $? -ne 0 ]; then
+	echo "[DEBUG]add_network FAILED!"
+	exit 1
+fi
+$wpa_comm set_network 0 ssid '"'"$SSID"'"'
+if [ $? -ne 0 ]; then
+	echo "[DEBUG]set_network ssid FAILED!"
+	exit 1
+fi
+$wpa_comm set_network 0 psk '"'"$PASSWORD"'"'
+if [ $? -ne 0 ]; then
+	echo "[DEBUG]set_network psk FAILED!"
+	exit 1
+fi
+$wpa_comm select_network 0
+if [ $? -ne 0 ]; then
+	echo "[DEBUG]select_network 0 FAILED!"
+	exit 1
+fi
+$wpa_comm enable_network 0
+if [ $? -ne 0 ]; then
+	echo "[DEBUG] enable_network 0 FAILED!"
+	exit 1
+fi
+$wpa_comm reassociate
+if [ $? -ne 0 ]; then
+	echo "[DEBUG] reassociate FAILED!"
+	exit 1
+fi
+
+# negotiate a dhcp leasing
+dhcpcd "$ifacename"
+
+# get gateway
+gateway=$(ip route show 0.0.0.0/0 dev wlan0 | cut -d\  -f3)
+
+ndc network create 1
+ndc network interface add 1 "$ifacename"
+ndc network route add 1 "$ifacename"  0.0.0.0/0 "$gateway"
+ndc resolver setnetdns 1 "" "$ipDNS1" "$ipDNS2"
+ndc network default set 1
diff --git a/networking/wifi/device-files/disconnect.sh b/networking/wifi/device-files/disconnect.sh
new file mode 100644
index 0000000..6dbc7e8
--- /dev/null
+++ b/networking/wifi/device-files/disconnect.sh
@@ -0,0 +1,29 @@
+# Copyright (C) 2016, 2017 Filippo Fil Bergamo
+#
+# This file is part of "RepWifi", a set of shell scripts to ease libre wifi connectivity.
+#
+# RepWifi is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# RepWifi is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+suppid=$(pidof wpa_supplicant)
+dhcppid=$(pidof dhcpcd)
+
+if ! [ -z "$suppid" ]; then
+	killall -SIGINT wpa_supplicant
+fi
+
+if ! [ -z "$dhcppid" ]; then
+	killall -SIGINT dhcpcd
+fi
+
+exit 0
diff --git a/networking/wifi/device-files/networks/add_network.sh b/networking/wifi/device-files/networks/add_network.sh
new file mode 100644
index 0000000..230be42
--- /dev/null
+++ b/networking/wifi/device-files/networks/add_network.sh
@@ -0,0 +1,48 @@
+# Copyright (C) 2016, 2017 Filippo Fil Bergamo
+#
+# This file is part of "RepWifi", a set of shell scripts to ease libre wifi connectivity.
+#
+# RepWifi is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# RepWifi is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+# setup environment variables:
+source "/data/misc/wifi/setup_variables.sh"
+if [ $? -ne 0 ]; then
+	exit 1
+fi
+
+# parse arguments <ssid> <password>
+if [ $# -eq 0 ]; then
+	echo "Missing arguments <ssid> <password> "
+	exit 1
+fi
+
+if [ $# -ne 2 ]; then
+	echo "Wrong argument count!"
+	exit 1
+fi
+
+curnet=$1
+pass=$2
+foundnet=$(bash "$knets_get" "$curnet")
+if ! [ -z "$foundnet" ]; then
+	# the network is already a known one,
+	# remove it from the list, before adding the new password
+	source "$knets_rem" "$curnet"
+fi
+
+if ! [ -e "$knets_file" ]; then
+	echo -n "" > "$knets_file"
+fi
+
+echo -e "$curnet""\t""$pass" >> $knets_file
diff --git a/networking/wifi/device-files/networks/get_network.sh b/networking/wifi/device-files/networks/get_network.sh
new file mode 100644
index 0000000..88bc183
--- /dev/null
+++ b/networking/wifi/device-files/networks/get_network.sh
@@ -0,0 +1,88 @@
+# Copyright (C) 2016, 2017 Filippo Fil Bergamo
+#
+# This file is part of "RepWifi", a set of shell scripts to ease libre wifi connectivity.
+#
+# RepWifi is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# RepWifi is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+# setup environment variables:
+source "/data/misc/wifi/setup_variables.sh"
+if [ $? -ne 0 ]; then
+	exit 1
+fi
+
+# validate input parameters
+if [ $# -eq 0 ]; then
+	echo "Missing arguments <bssid>"
+	exit 1
+fi
+
+if [ $# -ne 1 ]; then
+	echo "Wrong arguments count!"
+	exit 1
+fi
+
+# parse parameter <bssid>
+netName=$1
+
+# check if the known networks file exists
+if ! [ -e "$knets_file" ]; then
+	exit 0
+fi
+
+# modified Feb 1st 2017: 
+# seems like the previously used option --invert-match is not POSIX.
+# the version of "grep" on Replicant 6.0 misses this option.
+# the option -v is used instead
+# read the file, omitting comments:
+networks=$(grep -v '^#' $knets_file)
+
+if [ -z "$networks" ]; then
+	exit 0
+fi
+
+tempNetsFile="$workdir""/tmpnts"
+if [ -e "$tempNetsFile" ]; then
+	rm "$tempNetsFile"
+fi
+echo "$networks" > "$tempNetsFile"
+
+# count the number of saved networks:
+netnum=$(echo "$networks" | wc -l)
+
+# if there is no network in the list, return
+if [ "$netnum" == "" ] || [ "$netnum" -lt 1 ]; then
+	exit 0
+fi
+
+# iterate through networks, to see if the requested one is known:
+idx=1
+IFS=$'\t'
+while read -r line
+do
+	tempLineFile="$workdir""/tmpln"
+	if [ -e "$tempLineFile" ]; then
+		rm "$tempLineFile"
+	fi
+	echo "$line" > "$tempLineFile"
+	# split the line into the different properties:
+	#the SSID is the 1st field, password is the 2nd
+	read -r -a SUBAR < "$tempLineFile"
+ 	if [ "${SUBAR[0]}" = "$netName" ]; then
+		# found the desired network.
+		# outputs the tuple:
+		echo -e "${SUBAR[0]}""\t""${SUBAR[1]}"
+	fi
+done < "$tempNetsFile"
+IFS=
+
diff --git a/networking/wifi/device-files/networks/known-networks b/networking/wifi/device-files/networks/known-networks
new file mode 100644
index 0000000..5fb2abb
--- /dev/null
+++ b/networking/wifi/device-files/networks/known-networks
@@ -0,0 +1,11 @@
+# This file is part of "RepWifi", a set of shell scripts to ease libre wifi connectivity.
+# This is a simple file used to store the "known" wifi networks
+# lines starting with "#" are comments and are ignored by the parsing scripts.
+# networks credentials are stored using the format:
+#         <SSID>[TAB]<password>
+# *DO NOT* SURROUND VALUES WITH QUOTES! store the bare naked stirngs as they are.
+# if you store a funky SSID name, or an over-complicated password
+# containing a [TAB], then the whole "known networks storage" will break.
+# Anyway it's highly unlikely to ever meet such a network.
+# Don't mess with the contents of this file, unless you feel like hacking
+# and you know what you're doing. Let the scripts do the magic. And enjoy!
diff --git a/networking/wifi/device-files/networks/remove_network.sh b/networking/wifi/device-files/networks/remove_network.sh
new file mode 100644
index 0000000..1a6181c
--- /dev/null
+++ b/networking/wifi/device-files/networks/remove_network.sh
@@ -0,0 +1,54 @@
+# Copyright (C) 2016, 2017 Filippo Fil Bergamo
+#
+# This file is part of "RepWifi", a set of shell scripts to ease libre wifi connectivity.
+#
+# RepWifi is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# RepWifi is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+
+# setup environment variables:
+source "/data/misc/wifi/setup_variables.sh"
+if [ $? -ne 0 ]; then
+	exit 1
+fi
+
+# parse arguments <bssid>
+if [ $# -eq 0 ]; then
+	echo "Missing arguments <bssid> "
+	exit 1
+fi
+
+if [ $# -ne 1 ]; then
+	echo "Wrong argument count!"
+	exit 1
+fi
+
+curnet=$1
+# check if the known networks file exists
+if ! [ -e "$knets_file" ]; then
+	exit 0
+fi
+
+# read the results in a variable:
+# modified Feb 1st 2017: 
+# seems like the previously used option --invert-match is not POSIX.
+# the version of "grep" on Replicant 6.0 misses this option.
+# the option -v is used instead
+# get all file contents that do not begin with the bssid of the network to remove.
+# read the file, omitting comments:
+keptLines=$(grep -v "^$curnet" "$knets_file")
+
+# overwrite the file, keeping only the filtered lines
+echo "$keptLines" > "$knets_file"
+
+
diff --git a/networking/wifi/device-files/rstr.sh b/networking/wifi/device-files/rstr.sh
new file mode 100644
index 0000000..e7050f2
--- /dev/null
+++ b/networking/wifi/device-files/rstr.sh
@@ -0,0 +1,51 @@
+# Copyright (C) 2016, 2017 Filippo Fil Bergamo
+#
+# This file is part of "RepWifi", a set of shell scripts to ease libre wifi connectivity.
+#
+# RepWifi is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# RepWifi is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+# setup environment variables:
+source "/data/misc/wifi/setup_variables.sh"
+if [ $? -ne 0 ]; then
+	exit
+fi
+
+echo "Beginning a best-effort attempt to setup/restore Libre WiFi connectivity:"
+
+idx=1
+
+echo -n $idx") chmod -R 777 $workdir... "
+chmod -R 777 $workdir
+if [ $? = 0 ]; then
+	echo " [ OK! ]"
+else
+	echo " [* FAIL! *]"
+fi
+
+if [ -e "$wpaconfile" ]; then
+
+	idx=$(($idx+1))
+	echo -n $idx") chmod 777 "$wpaconfile"... "
+	chmod 777 "$wpaconfile"
+	if [ $? = 0 ]; then
+		echo " [ OK! ]"
+	else
+		echo " [* FAIL! *]"
+	fi
+fi
+
+idx=$(($idx+1))
+echo $idx") Check and load needed modules:"
+source "$scriptChkMod"
+
diff --git a/networking/wifi/device-files/select_network.sh b/networking/wifi/device-files/select_network.sh
new file mode 100644
index 0000000..cdb96ab
--- /dev/null
+++ b/networking/wifi/device-files/select_network.sh
@@ -0,0 +1,165 @@
+# Copyright (C) 2016, 2017 Filippo Fil Bergamo
+#
+# This file is part of "RepWifi", a set of shell scripts to ease libre wifi connectivity.
+#
+# RepWifi is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# RepWifi is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+
+
+# setup environment variables:
+source "/data/misc/wifi/setup_variables.sh"
+if [ $? -ne 0 ]; then
+	echo "Failed to setup variables"
+	exit 1
+fi
+
+bash "$scriptDiscon"
+if [ $? -ne 0 ]; then
+	"Failed to kill wpa_supplicant"
+	exit 1
+fi
+sleep 1s
+
+bash "$scriptStartWPA"
+if [ $? -ne 0 ]; then
+	"Failed to start wpa_supplicant"
+	exit 1
+fi
+sleep 1s
+
+wpa_comm="wpa_cli -p$socketfile -P$pidfile -i$ifacename"
+
+# scan for networks
+echo -n "Scanning for networks... "
+$wpa_comm scan
+if [ $? -ne 0 ]; then
+	exit 1
+fi
+sleep 2s
+
+
+# store the scan results on file
+if [ -e "$scanfile" ]; then
+	rm "$scanfile"
+fi
+#sleep 1s
+
+echo "Retrieving network list... "
+$wpa_comm scan_results > "$scanfile"
+if [ $? -ne 0 ]; then
+	exit 1
+fi
+#sleep 1s
+
+# read the results in a variable:
+# modified Feb 1st 2017: 
+# seems like the previously used option --invert-match is not POSIX.
+# the version of "grep" on Replicant 6.0 misses this option.
+# the option -v is used instead
+networks=$(grep -v '^bssid' $scanfile)
+
+tmpNetsFile="$workdir""/""tmpnts"
+if [ -e "$tmpNetsFile" ]; then
+	rm "$tmpNetsFile"
+fi
+echo "$tmpNetsFile"
+echo "$networks" > "$tmpNetsFile"
+
+# count the number of networks:
+netnum=$(echo "$networks" | wc -l)
+
+# check if there is at least one network in the list
+if [ "$netnum" == "" ] || [ "$netnum" -lt 1 ]; then
+	echo "No networks found!"
+	exit 1
+fi
+
+
+echo ""
+echo "Please input the number of the network you want to connect to:"
+echo -e "\t # |  SSID"
+echo -e "\t---|------------------"
+
+tmpLineFile="$workdir""/""tmpln"
+idx=1
+declare -a AR
+while IFS= read -r line
+do
+	# split the line into the different properties:
+	if [ -e "$tmpLineFile" ]; then
+		rm "$tmpLineFile"
+	fi
+	echo "$line" > "$tmpLineFile"
+	# Set IFS to tab only. Needed to correctly parse SSIDs containig spaces.
+	IFS='	'
+	read -r -a SUBAR < "$tmpLineFile"
+	AR[$idx]="${SUBAR[4]}" #the SSID is the 4th field
+	echo -e "\t"$idx") | ""${SUBAR[4]}"
+
+	idx=$(($idx+1))
+done < "$tmpNetsFile"
+# reset default IFS
+IFS=
+
+# read user's choice
+read selnet
+
+if ! [[ "$selnet" =~ ^[0-9]+$ ]]; then
+	echo "Invalid input!"
+	exit
+fi
+
+if [ "$selnet" -le 0 ] || [ "$selnet" -gt "$netnum" ]; then
+	echo "Invalid number!"
+	exit
+fi
+
+selectedSSID="${AR[$selnet]}"
+
+# check if the selected network is a known one:
+knownnet=$(bash "$knets_get" "$selectedSSID")
+if [ -z "$knownnet" ]; then
+	# network not found among the known ones
+	# ask for a password:
+	echo "Enter a password for "$selectedSSID
+	read password
+else
+	# extract the password from the tuple:
+	tmpTupleFile="$workdir""/tmptpl"
+	if [ -e "$tmpTupleFile" ]; then
+		rm "$tmpTupleFile"
+	fi
+	echo "$knownnet" > "$tmpTupleFile"
+	IFS=$'\t'
+	read -r -a TUPLE < "$tmpTupleFile"
+	password="${TUPLE[1]}"
+	IFS=
+fi
+
+#sleep 1s
+
+echo "Do you want to connect to ""$selectedSSID"" now? [y/n] "
+read answer
+
+if [ $answer = "y" ] || [ $answer = "Y" ]; then
+	bash "$scriptConnect" ""$selectedSSID"" ""$password""
+	if [ $? -eq 0 ]; then
+		# successfully connected
+		# save password for future connections
+		source "$knets_add" "$selectedSSID" "$password"
+		echo "CONNECTED"
+	else
+		echo "FAILED TO CONNECT"
+	fi
+fi
diff --git a/networking/wifi/device-files/setup_variables.sh b/networking/wifi/device-files/setup_variables.sh
new file mode 100644
index 0000000..0f94532
--- /dev/null
+++ b/networking/wifi/device-files/setup_variables.sh
@@ -0,0 +1,52 @@
+# Copyright (C) 2016, 2017 Filippo Fil Bergamo
+#
+# This file is part of "RepWifi", a set of shell scripts to ease libre wifi connectivity.
+#
+# RepWifi is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# RepWifi is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+# working directory path
+export workdir="/data/misc/wifi"
+
+# network parameters
+export ifacename="wlan0"
+export ipDNS1="193.183.98.154"
+export ipDNS2="87.98.175.85"
+
+# aux files
+export scanfile="$workdir""/scanres.txt"
+export socketfile="$workdir""/sockets"
+export pidfile="$workdir""/pidfile"
+export wpaconfile="$workdir""/wpa_supplicant.conf"
+
+# script paths
+export scriptChkMod="$workdir""/check_modules.sh"
+export scriptWriteConf="$workdir""/write_config.sh"
+export scriptStartWPA="$workdir""/startwpa.sh"
+export scriptConnect="$workdir""/connect.sh"
+export scriptDiscon="$workdir""/disconnect.sh"
+
+# kernel modules
+export modulesPath="/system/lib/modules"
+export mod_mac80211="$modulesPath""/mac80211.ko"
+export mod_ath="$modulesPath""/ath.ko"
+export mod_ath9k_hw="$modulesPath""/ath9k_hw.ko"
+export mod_ath9k_common="$modulesPath""/ath9k_common.ko"
+export mod_ath9k_htc="$modulesPath""/ath9k_htc.ko"
+
+# known networks database
+export knets_dir="networks"
+export knets_file="$workdir""/""$knets_dir""/known-networks"
+export knets_add="$workdir""/""$knets_dir""/add_network.sh"
+export knets_rem="$workdir""/""$knets_dir""/remove_network.sh"
+export knets_get="$workdir""/""$knets_dir""/get_network.sh"
diff --git a/networking/wifi/device-files/startwpa.sh b/networking/wifi/device-files/startwpa.sh
new file mode 100644
index 0000000..1d95dda
--- /dev/null
+++ b/networking/wifi/device-files/startwpa.sh
@@ -0,0 +1,26 @@
+# Copyright (C) 2016, 2017 Filippo Fil Bergamo
+#
+# This file is part of "RepWifi", a set of shell scripts to ease libre wifi connectivity.
+#
+# RepWifi is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# RepWifi is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+# setup environment variables:
+source "/data/misc/wifi/setup_variables.sh"
+if [ $? -ne 0 ]; then
+	exit
+fi
+
+# run wpa_supplicant without configuration file,
+# but providing a PID file and a socket, to let wpa_cli communicate with it
+wpa_supplicant -B -dd -i"$ifacename" -C"$socketfile" -P"$pidfile"
diff --git a/networking/wifi/device-files/write_config.sh b/networking/wifi/device-files/write_config.sh
new file mode 100644
index 0000000..8c07eb1
--- /dev/null
+++ b/networking/wifi/device-files/write_config.sh
@@ -0,0 +1,47 @@
+#
+#	     THIS IS FREE SOFTWARE 
+#
+# Copyright 2016 Filippo "Fil" Bergamo
+# 
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+# 
+#     http://www.apache.org/licenses/LICENSE-2.0
+# 
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+
+
+# setup environment variables:
+source "/data/misc/wifi/setup_variables.sh"
+if [ $? -ne 0 ]; then
+	exit
+fi
+
+#read SSID and password from command line:
+ssid=$1
+pass=$2
+
+#check if config file exists
+if [ -e $wpaconfile ]; then
+	rm $wpaconfile
+fi
+
+#write fixed lines:
+echo -e "ctrl_interface=DIR=""$socketfile""
+update_config=1
+network={
+\tssid=\"$ssid\"
+\tpsk=\"$pass\"
+}" > $wpaconfile
+
+chmod 777 "$wpaconfile"
+
+echo "Network connection has been set up for "$ssid"!"
+
+
diff --git a/networking/wifi/setup.sh b/networking/wifi/setup.sh
new file mode 100644
index 0000000..d31acf5
--- /dev/null
+++ b/networking/wifi/setup.sh
@@ -0,0 +1,7 @@
+root_dir="/data/misc/wifi"
+adb root
+sleep 3
+adb shell rm -r "$root_dir"
+adb shell mkdir "$root_dir"
+adb push ./device-files "$root_dir"
+adb push ./device-files/networks "$root_dir""/networks"