stratux/image/hostapd_manager.sh

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9.8 KiB
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#!/bin/bash
######################################################################
# STRATUX HOSTAPD MANAGER #
######################################################################
#Set Script Name variable
SCRIPT=`basename ${BASH_SOURCE[0]}`
#Initialize variables to default values.
OPT_S=false
OPT_C=false
OPT_E=false
OPT_O=false
defaultPass="Squawk1200"
parm="*"
err="####"
att="+++"
#Set fonts for Help.
BOLD=$(tput bold)
STOT=$(tput smso)
UNDR=$(tput smul)
REV=$(tput rev)
RED=$(tput setaf 1)
GREEN=$(tput setaf 2)
YELLOW=$(tput setaf 3)
MAGENTA=$(tput setaf 5)
WHITE=$(tput setaf 7)
NORM=$(tput sgr0)
NORMAL=$(tput sgr0)
#Help function
function HELP {
echo -e \\n"Help documentation for ${BOLD}${SCRIPT}.${NORM}"\\n
echo -e "${REV}Basic usage:${NORM} ${BOLD}$SCRIPT -s ssid -c chan -e pass ${NORM}"\\n
echo "Command line switches are optional. The following switches are recognized."
echo "${REV}-s${NORM} --Sets the SSID to ${BOLD}ssid${NORM}. \"-s stratux\""
echo "${REV}-c${NORM} --Sets the channel to ${BOLD}chan${NORM}. \"-c 1\""
echo "${REV}-e${NORM} --Turns on encryption with passphrase ${BOLD}pass${NORM}. 8-63 Printable Characters(ascii 32-126). Cannot be used with -o. \"-e password!\""
echo "${REV}-o${NORM} --Turns off encryption and sets network to open. Cannot be used with -e."
# echo "${REV}-q${NORM} --Run silently."
echo -e "${REV}-h${NORM} --Displays this help message. No further functions are performed."\\n
echo -e "Example: ${BOLD}$SCRIPT -s stratux -c 1 -e N3558D${NORM}"\\n
exit 1
}
clear
echo ""
echo "#### Stratux HOSTAPD Settings ####"
echo ""
if [ $(whoami) != 'root' ]; then
echo "${BOLD}${RED}This script must be executed as root, exiting...${WHITE}${NORMAL}"
echo "${BOLD}${RED}USAGE${WHITE}${NORMAL}"
exit 1
fi
#Check the number of arguments. If none are passed, print help and exit.
NUMARGS=$#
if [ $NUMARGS -eq 0 ]; then
HELP
fi
### Start getopts code ###
#Parse command line flags
#If an option should be followed by an argument, it should be followed by a ":".
#Notice there is no ":" after "oqh". The leading ":" suppresses error messages from
#getopts. This is required to get my unrecognized option code to work.
options=':s:c:eoqh'
while getopts $options option; do
case $option in
s) #set option "s"
if [[ -z "${OPTARG}" || "${OPTARG}" == *[[:space:]]* || "${OPTARG}" == -* ]]; then
echo "${BOLD}${RED}$err No SSID for -s, exiting...${WHITE}${NORMAL}"
exit 1
else
OPT_S=$OPTARG
echo "$parm SSID Option -s used: $OPT_S"
echo "${GREEN} SSID will now be ${BOLD}${UNDR}$OPT_S${NORMAL}.${WHITE}"
fi
;;
c) #set option "c"
if [[ -z "${OPTARG}" || "${OPTARG}" == *[[:space:]]* || "${OPTARG}" == -* ]]; then
echo "${BOLD}${RED}$err Channel option(-c) used without value, exiting... ${WHITE}${NORMAL}"
exit 1
else
OPT_C=$OPTARG
echo "$parm Channel option -c used: $OPT_C"
if [[ "$OPT_C" =~ ^[0-9]+$ ]] && [ "$OPT_C" -ge 1 -a "$OPT_C" -le 13 ]; then
echo "${GREEN} Channel will now be set to ${BOLD}${UNDR}$OPT_C${WHITE}${NORMAL}."
else
echo "${BOLD}${RED}$err Channel is not within acceptable values, exiting...${WHITE}${NORMAL}"
exit 1
fi
fi
;;
e) #set option "e"
if [[ -z "${OPTARG}" || "${OPTARG}" == *[[:space:]]* || "${OPTARG}" == -* ]]; then
echo "${BOLD}${RED}$err Encryption option(-e) used without passphrase, Passphrase will be set to ${BOLD}$defaultPass${NORMAL}...${WHITE}${NORMAL}"
OPT_E=$defaultPass
else
OPT_E=$OPTARG
echo "$parm Encryption option -e used:"
if [ -z `echo $OPT_E | tr -d "[:print:]"` ] && [ ${#OPT_E} -ge 8 ] && [ ${#OPT_E} -le 63 ]; then
echo "${GREEN} Passphrase will now be ${BOLD}${UNDR}$OPT_E${NORMAL}.${WHITE}${NORMAL}"
else
echo "${BOLD}${RED}$err Invalid PASSWORD: 8 - 63 printable characters, exiting...${WHITE}${NORMAL}"
exit
fi
fi
;;
o) #set option "o"
if [[ -z "${OPTARG}" || "${OPTARG}" == *[[:space:]]* || "${OPTARG}" == -* ]]; then
echo "$parm Open WiFI Option -o used."
echo "${GREEN} WiFi will be set to ${BOLD}${UNDR}OPEN${NORMAL}${GREEN} or ${BOLD}${UNDR}UNSECURE${WHITE}${NORMAL}"
OPT_O=true
else
echo "${BOLD}${RED}$err Option -o does not require arguement.${WHITE}${NORMAL}"
exit 1
fi
;;
h) #show help
HELP
;;
\?) # invalid option
echo "${BOLD}${RED}$err Invalid option -$OPTARG ${WHITE}${NORMAL}" >&2
exit 1
;;
:) # Missing Arg
echo "${BOLD}${RED}$err Missing option for argument -$OPTARG ${WHITE}${NORMAL}" >&2
exit 1
;;
*) # Invalid
echo "${BOLD}${RED}$err Unimplemented option -$OPTARG ${WHITE}${NORMAL}" >&2
exit 1
;;
esac
done
shift $((OPTIND-1)) #This tells getopts to move on to the next argument.
### End getopts code ###
### Main loop to process files ###
#This is where your main file processing will take place. This example is just
#printing the files and extensions to the terminal. You should place any other
#file processing tasks within the while-do loop.
if [ $OPT_O = true ] && [ $OPT_E != false ]; then
echo "${BOLD}${RED}$err Option -e and -o cannot be used simultaneously ${WHITE}${NORMAL}"
exit 1
fi
echo ""
echo "${BOLD}No errors found. Continuning...${NORMAL}"
echo ""
# files to edit
HOSTAPD=('/etc/hostapd/hostapd.user')
####
#### File modification loop
####
for i in "${HOSTAPD[@]}"
do
if [ -f ${i} ]; then
echo "Working on $i..."
if [ $OPT_S != false ]; then
echo "${MAGENTA}Setting ${YELLOW}SSID${MAGENTA} to ${YELLOW}$OPT_S ${MAGENTA}in $i...${WHITE}"
if grep -q "^ssid=" ${HOSTAPD[$x]}; then
sed -i "s/^ssid=.*/ssid=${OPT_S}/" ${i}
else
echo ${OPT_S} >> ${i}
fi
fi
if [ $OPT_C != false ]; then
echo "${MAGENTA}Setting ${YELLOW}Channel${MAGENTA} to ${YELLOW}$OPT_C ${MAGENTA}in $i...${WHITE}"
if grep -q "^channel=" ${i}; then
sed -i "s/^channel=.*/channel=${OPT_C}/" ${i}
else
echo ${OPT_C} >> ${i}
fi
fi
if [ $OPT_E != false ]; then
echo "${MAGENTA}Adding WPA encryption with passphrase: ${YELLOW}$OPT_E ${MAGENTA}to $i...${WHITE}"
if grep -q "^#auth_algs=" ${i}; then
#echo "uncomenting wpa"
sed -i "s/^#auth_algs=.*/auth_algs=1/" ${i}
sed -i "s/^#wpa=.*/wpa=3/" ${i}
sed -i "s/^#wpa_passphrase=.*/wpa_passphrase=$OPT_E/" ${i}
sed -i "s/^#wpa_key_mgmt=.*/wpa_key_mgmt=WPA-PSK/" ${i}
sed -i "s/^#wpa_pairwise=.*/wpa_pairwise=TKIP/" ${i}
sed -i "s/^#rsn_pairwise=.*/rsn_pairwise=CCMP/" ${i}
elif grep -q "^auth_algs=" ${i}; then
#echo "rewriting existing wpa"
sed -i "s/^auth_algs=.*/auth_algs=1/" ${i}
sed -i "s/^wpa=.*/wpa=3/" ${i}
sed -i "s/^wpa_passphrase=.*/wpa_passphrase=$OPT_E/" ${i}
sed -i "s/^wpa_key_mgmt=.*/wpa_key_mgmt=WPA-PSK/" ${i}
sed -i "s/^wpa_pairwise=.*/wpa_pairwise=TKIP/" ${i}
sed -i "s/^rsn_pairwise=.*/rsn_pairwise=CCMP/" ${i}
else
#echo "adding wpa"
echo "" >> ${i}
echo "auth_algs=1" >> ${i}
echo "wpa=3" >> ${i}
echo "wpa_passphrase=$OPT_E" >> ${i}
echo "wpa_key_mgmt=WPA-PSK" >> ${i}
echo "wpa_pairwise=TKIP" >> ${i}
echo "rsn_pairwise=CCMP" >> ${i}
fi
fi
if [ $OPT_O != false ]; then
echo "${MAGENTA}Removing WPA encryption in $i...${WHITE}"
if grep -q "^auth_algs=" ${i}; then
#echo "comenting out wpa"
sed -i "s/^auth_algs=.*/#auth_algs=1/" ${i}
sed -i "s/^wpa=.*/#wpa=3/" ${i}
sed -i "s/^wpa_passphrase=.*/#wpa_passphrase=$defaultPass/" ${i}
sed -i "s/^wpa_key_mgmt=.*/#wpa_key_mgmt=WPA-PSK/" ${i}
sed -i "s/^wpa_pairwise=.*/#wpa_pairwise=TKIP/" ${i}
sed -i "s/^rsn_pairwise=.*/#rsn_pairwise=CCMP/" ${i}
elif grep -q "^#auth_algs=" ${i}; then
#echo "rewriting comentied out wpa"
sed -i "s/^#auth_algs=.*/#auth_algs=1/" ${i}
sed -i "s/^#wpa=.*/#wpa=3/" ${i}
sed -i "s/^#wpa_passphrase=.*/#wpa_passphrase=$defaultPass/" ${i}
sed -i "s/^#wpa_key_mgmt=.*/#wpa_key_mgmt=WPA-PSK/" ${i}
sed -i "s/^#wpa_pairwise=.*/#wpa_pairwise=TKIP/" ${i}
sed -i "s/^#rsn_pairwise=.*/#rsn_pairwise=CCMP/" ${i}
else
#echo "adding commented out WPA"
echo "" >> ${i}
echo "#auth_algs=1" >> ${i}
echo "#wpa=3" >> ${i}
echo "#wpa_passphrase=$defaultPass" >> ${i}
echo "#wpa_key_mgmt=WPA-PSK" >> ${i}
echo "#wpa_pairwise=TKIP" >> ${i}
echo "#rsn_pairwise=CCMP" >> ${i}
fi
fi
echo "${GREEN}Modified ${i}...done${WHITE}"
echo ""
else
echo "${MAGENTA}No ${i} file found...${WHITE}${NORMAL}"
echo ""
fi
done
echo "${RED}${BOLD} $att At this time the script will restart your WiFi services.${WHITE}${NORMAL}"
echo "If you are connected to Stratux through the ${BOLD}192.168.10.1${NORMAL} interface then you will be disconnected"
echo "Please wait 1 min and look for the new SSID on your wireless device."
sleep 3
echo "${YELLOW}$att Restarting Stratux WiFi Services... $att ${WHITE}"
echo "Killing hostapd..."
/usr/bin/killall -9 hostapd hostapd-edimax
echo "Killed..."
echo ""
echo "Killing DHCP Server..."
echo ""
/usr/sbin/service isc-dhcp-server stop
sleep 0.5
echo "Killed..."
echo ""
echo "ifdown wlan0..."
ifdown wlan0
sleep 0.5
echo "ifup wlan0..."
echo "Calling Stratux WiFI Start Script(stratux-wifi.sh)..."
ifup wlan0
sleep 0.5
echo ""
echo ""
echo "All systems should be up and running and you should see your new SSID!"
### End main loop ###
exit 0