#!/bin/sh

#############################################

## ##

## __ __ ______ _ ##

## \ \ / / | ____|(_) ##

## \ \_/ /__ _ ____| |__ _ ##

## \ // _ ||_ /| __| | | ##

## | || (_| | / / | | | | ##

## |_| \__,_|/___||_| |_| ##

## ##

## https://github.com/jackyaz/YazFi/ ##

## ##

#############################################

## Credit to @RMerlin for the original ##

## guest network DHCP script and for ##

## AsusWRT-Merlin firmware ##

#############################################

# Last Modified: 2023-Nov-18

#--------------------------------------------------

###### Shellcheck directives ######

# shellcheck disable=SC1003

# shellcheck disable=SC1090

# shellcheck disable=SC2005

# shellcheck disable=SC2016

# shellcheck disable=SC2018

# shellcheck disable=SC2019

# shellcheck disable=SC2034

# shellcheck disable=SC2039

# shellcheck disable=SC2059

# shellcheck disable=SC2086

# shellcheck disable=SC2140

# shellcheck disable=SC2155

# shellcheck disable=SC3003

# shellcheck disable=SC3043

#############################################

### Start of script variables ###

readonly SCRIPT_NAME="YazFi"

readonly SCRIPT_CONF="/jffs/addons/$SCRIPT_NAME.d/config"

readonly YAZFI_VERSION="v4.4.4"

readonly SCRIPT_VERSION="v4.4.4"

SCRIPT_BRANCH="master"

SCRIPT_REPO="https://jackyaz.io/$SCRIPT_NAME/$SCRIPT_BRANCH"

readonly SCRIPT_DIR="/jffs/addons/$SCRIPT_NAME.d"

readonly USER_SCRIPT_DIR="$SCRIPT_DIR/userscripts.d"

readonly SCRIPT_WEBPAGE_DIR="$(readlink /www/user)"

readonly SCRIPT_WEB_DIR="$SCRIPT_WEBPAGE_DIR/$SCRIPT_NAME"

readonly SHARED_DIR="/jffs/addons/shared-jy"

readonly SHARED_REPO="https://jackyaz.io/shared-jy/master"

readonly SHARED_WEB_DIR="$SCRIPT_WEBPAGE_DIR/shared-jy"

### End of script variables ###

### Start of output format variables ###

readonly CRIT="\\e[41m"

readonly ERR="\\e[31m"

readonly WARN="\\e[33m"

readonly PASS="\\e[32m"

readonly BOLD="\\e[1m"

readonly SETTING="${BOLD}\\e[36m"

readonly CLEARFORMAT="\\e[0m"

### End of output format variables ###

### Start of router environment variables ###

readonly LAN="$(nvram get lan_ipaddr)"

[ -z "$(nvram get odmpid)" ] && ROUTER_MODEL=$(nvram get productid) || ROUTER_MODEL=$(nvram get odmpid)

##-------------------------------------##

## Added by Martinski W. [2022-Nov-18] ##

##-------------------------------------##

_GetWiFiVirtualInterfaceNames_()

{

local IFListStr=""

for IFname in $(nvram get wl0_vifnames) $(nvram get wl1_vifnames) $(nvram get wl2_vifnames) $(nvram get wl3_vifnames)

do

IFname="$(echo "$IFname" | grep -E "^wl[0-3][.][1-3]$")"

[ -n "$IFname" ] && { [ -n "$IFListStr" ] && IFListStr="$IFListStr $IFname" || IFListStr="$IFname" ; }

done

echo "$IFListStr"

}

##----------------------------------------##

## Modified by Martinski W. [2022-Nov-18] ##

##----------------------------------------##

readonly IFACELIST_FULL="wl0.1 wl0.2 wl0.3 wl1.1 wl1.2 wl1.3 wl2.1 wl2.2 wl2.3 wl3.1 wl3.2 wl3.3"

IFACELIST="$(_GetWiFiVirtualInterfaceNames_)"

### End of router environment variables ###

### Start of path variables ###

readonly DNSCONF="$SCRIPT_DIR/.dnsmasq"

readonly TMPCONF="$SCRIPT_DIR/.dnsmasq.tmp"

### End of path variables ###

### Start of firewall variables ###

readonly INPT="${SCRIPT_NAME}INPUT"

readonly FWRD="${SCRIPT_NAME}FORWARD"

readonly LGRJT="${SCRIPT_NAME}REJECT"

readonly DNSFLTR="${SCRIPT_NAME}DNSFILTER"

readonly DNSFLTR_DOT="${SCRIPT_NAME}DNSFILTER_DOT"

readonly CHAINS="$INPT $FWRD $LGRJT $DNSFLTR_DOT"

readonly NATCHAINS="$DNSFLTR"

### End of firewall variables ###

### Start of VPN clientlist variables ###

VPN_IP_LIST_ORIG_1=""

VPN_IP_LIST_ORIG_2=""

VPN_IP_LIST_ORIG_3=""

VPN_IP_LIST_ORIG_4=""

VPN_IP_LIST_ORIG_5=""

VPN_IP_LIST_NEW_1=""

VPN_IP_LIST_NEW_2=""

VPN_IP_LIST_NEW_3=""

VPN_IP_LIST_NEW_4=""

VPN_IP_LIST_NEW_5=""

### End of VPN clientlist variables ###

##----------------------------------------------##

## Added/modified by Martinski W. [2023-Jan-28] ##

##----------------------------------------------##

# DHCP Lease Time: Min & Max Values in seconds.

# 2 minutes=120 to 90 days=7776000 (inclusive).

# Single '0' or 'I' indicates "infinite" value.

#------------------------------------------------#

readonly MinDHCPLeaseTime=120

readonly MaxDHCPLeaseTime=7776000

readonly InfiniteLeaseTimeTag="I"

readonly InfiniteLeaseTimeVal="infinite"

##-------------------------------------##

## Added by Martinski W. [2022-Dec-23] ##

##-------------------------------------##

readonly SUPPORTstr="$(nvram get rc_support)"

if echo "$SUPPORTstr" | grep -qw '2.4G'

then Band_24G_Support=true

else Band_24G_Support=false

fi

if echo "$SUPPORTstr" | grep -qw '5G'

then Band_5G_1_Support=true

else Band_5G_1_Support=false

fi

if echo "$SUPPORTstr" | grep -qw '5G-2'

then Band_5G_2_support=true

else Band_5G_2_support=false

fi

if echo "$SUPPORTstr" | grep -qw 'wifi6e'

then Band_6G_1_Support=true

else Band_6G_1_Support=false

fi

# $1 = print to syslog, $2 = message to print, $3 = log level

Print_Output(){

if [ "$1" = "true" ]; then

logger -t "$SCRIPT_NAME" "$2"

fi

printf "${BOLD}${3}%s${CLEARFORMAT}\\n\\n" "$2"

}

Generate_Random_String(){

PASSLENGTH=16

if Validate_Number "" "$1" silent; then

if [ "$1" -le 32 ] && [ "$1" -ge 8 ]; then

PASSLENGTH="$1"

else

printf "${BOLD}Number is not between 8 and 32, using default of 16 characters${CLEARFORMAT}\\n"

fi

else

printf "${BOLD}Invalid number provided, using default of 16 characters${CLEARFORMAT}\\n"

fi

< /dev/urandom tr -cd 'A-Za-z0-9' | head -c "$PASSLENGTH"

}

Escape_Sed(){

sed -e 's/</\\</g;s/>/\\>/g;s/ /\\ /g'

}

Get_Iface_Var(){

echo "$1" | sed -e 's/\.//g'

}

##-------------------------------------##

## Added by Martinski W. [2022-Dec-23] ##

##-------------------------------------##

GetIFaceUILabel()

{

if [ $# -eq 0 ] || [ -z "$1" ] ; then echo "" ; fi

theUILabel="*UNKNOWN*"

case "$1" in

wl0)

if [ "$ROUTER_MODEL" = "GT-AXE16000" ] && "$Band_5G_1_Support"

then theUILabel="5GHz"

elif "$Band_24G_Support" ; then theUILabel="2.4GHz"

fi

;;

wl1)

if [ "$ROUTER_MODEL" = "GT-AXE16000" ] && "$Band_5G_2_support"

then theUILabel="5GHz2"

elif "$Band_5G_1_Support" ; then theUILabel="5GHz"

fi

;;

wl2)

if [ "$ROUTER_MODEL" = "GT-AXE16000" ] || "$Band_6G_1_Support"

then theUILabel="6GHz"

elif "$Band_5G_2_support" ; then theUILabel="5GHz2"

fi

;;

wl3)

if [ "$ROUTER_MODEL" = "GT-AXE16000" ] && "$Band_24G_Support"

then theUILabel="2.4GHz"

fi

;;

esac

echo "$theUILabel"

}

##----------------------------------------##

## Modified by Martinski W. [2022-Dec-23] ##

##----------------------------------------##

Get_Guest_Name()

{

if [ $# -eq 0 ] || [ -z "$1" ] ; then echo "" ; fi

theIFprefix="$(echo "$1" | cut -d '.' -f1)"

theIFnumber="$(echo "$1" | cut -d '.' -f2)"

theIFlabel="$(GetIFaceUILabel "$theIFprefix")"

echo "YazFi $theIFlabel $theIFnumber"

}

##----------------------------------------##

## Modified by Martinski W. [2022-Dec-23] ##

##----------------------------------------##

Get_Guest_Name_Old()

{

if [ $# -eq 0 ] || [ -z "$1" ] ; then echo "" ; fi

theIFprefix="$(echo "$1" | cut -d '.' -f1)"

theIFnumber="$(echo "$1" | cut -d '.' -f2)"

theIFlabel="$(GetIFaceUILabel "$theIFprefix")"

if [ "$theIFlabel" = "5GHz" ]

then theIFlabel="5GHz1" ; fi

echo "$theIFlabel Guest $theIFnumber"

}

Set_WiFi_Passphrase(){

nvram set "${1}_wpa_psk"="$2"

nvram set "${1}_auth_mode_x"="psk2"

nvram set "${1}_akm"="psk2"

nvram commit

}

Iface_Manage(){

case $1 in

create)

ifconfig "$2" "$(eval echo '$'"$(Get_Iface_Var "$2")"_IPADDR | cut -f1-3 -d".").$(nvram get lan_ipaddr | cut -f4 -d".")" netmask 255.255.255.0

;;

delete)

ifconfig "$2" 0.0.0.0

;;

deleteall)

for IFACE in $IFACELIST; do

Iface_Manage delete "$IFACE"

done

;;

esac

}

Iface_BounceClients(){

Print_Output true "Forcing $SCRIPT_NAME Guest WiFi clients to reauthenticate" "$PASS"

for IFACE in $IFACELIST; do

wl -i "$IFACE" radio off >/dev/null 2>&1

done

sleep 10

for IFACE in $IFACELIST; do

wl -i "$IFACE" radio on >/dev/null 2>&1

done

ARPDUMP="$(arp -an)"

for IFACE in $IFACELIST; do

if [ "$(eval echo '$'"$(Get_Iface_Var "$IFACE")_ENABLED")" = "true" ]; then

IFACE_MACS="$(wl -i "$IFACE" assoclist)"

if [ "$IFACE_MACS" != "" ]; then

IFS=$'\n'

for GUEST_MAC in $IFACE_MACS; do

GUEST_MACADDR="${GUEST_MAC#* }"

GUEST_ARPINFO="$(arp -an | grep -i "$GUEST_MACADDR")"

for ARP_ENTRY in $GUEST_ARPINFO; do

GUEST_IPADDR="$(echo "$GUEST_ARPINFO" | awk '{print $2}' | sed -e 's/(//g;s/)//g')"

arp -d "$GUEST_IPADDR"

done

done

unset IFS

fi

fi

done

ip -s -s neigh flush all >/dev/null 2>&1

killall -q networkmap

sleep 5

if [ -z "$(pidof networkmap)" ]; then

networkmap >/dev/null 2>&1 &

fi

}

Auto_DNSMASQ(){

case $1 in

create)

if [ -f /jffs/scripts/dnsmasq.postconf ]; then

STARTUPLINECOUNT=$(grep -c "# $SCRIPT_NAME" /jffs/scripts/dnsmasq.postconf)

STARTUPLINECOUNTEX=$(grep -cx "cat $DNSCONF >> /etc/dnsmasq.conf # $SCRIPT_NAME" /jffs/scripts/dnsmasq.postconf)

if [ "$STARTUPLINECOUNT" -gt 1 ] || { [ "$STARTUPLINECOUNTEX" -eq 0 ] && [ "$STARTUPLINECOUNT" -gt 0 ]; }; then

sed -i -e '/# '"$SCRIPT_NAME"'/d' /jffs/scripts/dnsmasq.postconf

fi

if [ "$STARTUPLINECOUNTEX" -eq 0 ]; then

echo "cat $DNSCONF >> /etc/dnsmasq.conf # $SCRIPT_NAME" >> /jffs/scripts/dnsmasq.postconf

fi

if [ "$(grep -c "NextDNS" /jffs/scripts/dnsmasq.postconf)" -gt 0 ]; then

sed -i '/exit 0/d' /jffs/scripts/dnsmasq.postconf

fi

else

echo "#!/bin/sh" > /jffs/scripts/dnsmasq.postconf

echo "" >> /jffs/scripts/dnsmasq.postconf

echo "cat $DNSCONF >> /etc/dnsmasq.conf # $SCRIPT_NAME" >> /jffs/scripts/dnsmasq.postconf

chmod 0755 /jffs/scripts/dnsmasq.postconf

fi

;;

delete)

if [ -f /jffs/scripts/dnsmasq.postconf ]; then

STARTUPLINECOUNT=$(grep -c "# $SCRIPT_NAME" /jffs/scripts/dnsmasq.postconf)

if [ "$STARTUPLINECOUNT" -gt 0 ]; then

sed -i -e '/# '"$SCRIPT_NAME"'/d' /jffs/scripts/dnsmasq.postconf

fi

fi

;;

esac

}

Auto_ServiceEvent(){

case $1 in

create)

if [ -f /jffs/scripts/service-event ]; then

STARTUPLINECOUNT=$(grep -c '# '"$SCRIPT_NAME Guest Networks" /jffs/scripts/service-event)

STARTUPLINECOUNTEX=$(grep -cx 'if echo "$2" | /bin/grep -q "'"$SCRIPT_NAME"'" || { \[ "$1" = "restart" \] && \[ "$2" = "wireless" \]; }; then { /jffs/scripts/'"$SCRIPT_NAME"' service_event "$@" & }; fi # '"$SCRIPT_NAME Guest Networks" /jffs/scripts/service-event)

if [ "$STARTUPLINECOUNT" -gt 1 ] || { [ "$STARTUPLINECOUNTEX" -eq 0 ] && [ "$STARTUPLINECOUNT" -gt 0 ]; }; then

sed -i -e '/# '"$SCRIPT_NAME"' Guest Networks/d' /jffs/scripts/service-event

fi

if [ "$STARTUPLINECOUNTEX" -eq 0 ]; then

echo 'if echo "$2" | /bin/grep -q "'"$SCRIPT_NAME"'" || { [ "$1" = "restart" ] && [ "$2" = "wireless" ]; }; then { /jffs/scripts/'"$SCRIPT_NAME"' service_event "$@" & }; fi # '"$SCRIPT_NAME Guest Networks" >> /jffs/scripts/service-event

fi

else

echo "#!/bin/sh" > /jffs/scripts/service-event

echo "" >> /jffs/scripts/service-event

echo 'if echo "$2" | /bin/grep -q "'"$SCRIPT_NAME"'" || { [ "$1" = "restart" ] && [ "$2" = "wireless" ]; }; then { /jffs/scripts/'"$SCRIPT_NAME"' service_event "$@" & }; fi # '"$SCRIPT_NAME Guest Networks" >> /jffs/scripts/service-event

chmod 0755 /jffs/scripts/service-event

fi

;;

delete)

if [ -f /jffs/scripts/service-event ]; then

STARTUPLINECOUNT=$(grep -c '# '"$SCRIPT_NAME"' Guest Networks' /jffs/scripts/service-event)

if [ "$STARTUPLINECOUNT" -gt 0 ]; then

sed -i -e '/# '"$SCRIPT_NAME"' Guest Networks/d' /jffs/scripts/service-event

fi

fi

;;

esac

}

Auto_Startup(){

case $1 in

create)

if [ -f /jffs/scripts/firewall-start ]; then

STARTUPLINECOUNT=$(grep -c '# '"$SCRIPT_NAME"' Guest Networks' /jffs/scripts/firewall-start)

STARTUPLINECOUNTEX=$(grep -cx "/jffs/scripts/$SCRIPT_NAME runnow & # $SCRIPT_NAME Guest Networks" /jffs/scripts/firewall-start)

if [ "$STARTUPLINECOUNT" -gt 1 ] || { [ "$STARTUPLINECOUNTEX" -eq 0 ] && [ "$STARTUPLINECOUNT" -gt 0 ]; }; then

sed -i -e '/# '"$SCRIPT_NAME"' Guest Networks/d' /jffs/scripts/firewall-start

fi

if [ "$STARTUPLINECOUNTEX" -eq 0 ]; then

echo "/jffs/scripts/$SCRIPT_NAME runnow & # $SCRIPT_NAME Guest Networks" >> /jffs/scripts/firewall-start

fi

else

echo "#!/bin/sh" > /jffs/scripts/firewall-start

echo "" >> /jffs/scripts/firewall-start

echo "/jffs/scripts/$SCRIPT_NAME runnow & # $SCRIPT_NAME Guest Networks" >> /jffs/scripts/firewall-start

chmod 0755 /jffs/scripts/firewall-start

fi

;;

delete)

if [ -f /jffs/scripts/firewall-start ]; then

STARTUPLINECOUNT=$(grep -c '# '"$SCRIPT_NAME"' Guest Networks' /jffs/scripts/firewall-start)

if [ "$STARTUPLINECOUNT" -gt 0 ]; then

sed -i -e '/# '"$SCRIPT_NAME"' Guest Networks/d' /jffs/scripts/firewall-start

fi

fi

;;

esac

}

Auto_ServiceEventEnd(){

case $1 in

create)

if [ -f /jffs/scripts/firewall-start ]; then

STARTUPLINECOUNT=$(grep -c '# '"$SCRIPT_NAME"' Guest Networks' /jffs/scripts/firewall-start)

if [ "$STARTUPLINECOUNT" -gt 0 ]; then

sed -i -e '/# '"$SCRIPT_NAME"' Guest Networks/d' /jffs/scripts/firewall-start

fi

fi

if [ -f /jffs/scripts/service-event-end ]; then

STARTUPLINECOUNT=$(grep -c '# '"$SCRIPT_NAME Guest Networks" /jffs/scripts/service-event-end)

STARTUPLINECOUNTEX=$(grep -cx 'if { \[ "$1" = "start" \] || \[ "$1" = "restart" \]; } && \[ "$2" = "firewall" \]; then { /jffs/scripts/'"$SCRIPT_NAME"' runnow & }; fi # '"$SCRIPT_NAME Guest Networks" /jffs/scripts/service-event-end)

if [ "$STARTUPLINECOUNT" -gt 1 ] || { [ "$STARTUPLINECOUNTEX" -eq 0 ] && [ "$STARTUPLINECOUNT" -gt 0 ]; }; then

sed -i -e '/# '"$SCRIPT_NAME"' Guest Networks/d' /jffs/scripts/service-event-end

fi

if [ "$STARTUPLINECOUNTEX" -eq 0 ]; then

echo 'if { [ "$1" = "start" ] || [ "$1" = "restart" ]; } && [ "$2" = "firewall" ]; then { /jffs/scripts/'"$SCRIPT_NAME"' runnow & }; fi # '"$SCRIPT_NAME Guest Networks" >> /jffs/scripts/service-event-end

fi

else

echo "#!/bin/sh" > /jffs/scripts/service-event-end

echo "" >> /jffs/scripts/service-event-end

echo 'if { [ "$1" = "start" ] || [ "$1" = "restart" ]; } && [ "$2" = "firewall" ]; then { /jffs/scripts/'"$SCRIPT_NAME"' runnow & }; fi # '"$SCRIPT_NAME Guest Networks" >> /jffs/scripts/service-event-end

chmod 0755 /jffs/scripts/service-event-end

fi

;;

delete)

if [ -f /jffs/scripts/firewall-start ]; then

STARTUPLINECOUNT=$(grep -c '# '"$SCRIPT_NAME"' Guest Networks' /jffs/scripts/firewall-start)

if [ "$STARTUPLINECOUNT" -gt 0 ]; then

sed -i -e '/# '"$SCRIPT_NAME"' Guest Networks/d' /jffs/scripts/firewall-start

fi

fi

if [ -f /jffs/scripts/service-event ]; then

STARTUPLINECOUNT=$(grep -c '# '"$SCRIPT_NAME"' Guest Networks' /jffs/scripts/service-event)

if [ "$STARTUPLINECOUNT" -gt 0 ]; then

sed -i -e '/# '"$SCRIPT_NAME"' Guest Networks/d' /jffs/scripts/service-event

fi

fi

;;

esac

}

Auto_ServiceStart(){

case $1 in

create)

if [ -f /jffs/scripts/services-start ]; then

STARTUPLINECOUNT=$(grep -c '# '"$SCRIPT_NAME" /jffs/scripts/services-start)

STARTUPLINECOUNTEX=$(grep -cx "/jffs/scripts/$SCRIPT_NAME startup & # $SCRIPT_NAME" /jffs/scripts/services-start)

if [ "$STARTUPLINECOUNT" -gt 1 ] || { [ "$STARTUPLINECOUNTEX" -eq 0 ] && [ "$STARTUPLINECOUNT" -gt 0 ]; }; then

sed -i -e '/# '"$SCRIPT_NAME"'/d' /jffs/scripts/services-start

fi

if [ "$STARTUPLINECOUNTEX" -eq 0 ]; then

echo "/jffs/scripts/$SCRIPT_NAME startup & # $SCRIPT_NAME" >> /jffs/scripts/services-start

fi

else

echo "#!/bin/sh" > /jffs/scripts/services-start

echo "" >> /jffs/scripts/services-start

echo "/jffs/scripts/$SCRIPT_NAME startup & # $SCRIPT_NAME" >> /jffs/scripts/services-start

chmod 0755 /jffs/scripts/services-start

fi

;;

delete)

if [ -f /jffs/scripts/services-start ]; then

STARTUPLINECOUNT=$(grep -c '# '"$SCRIPT_NAME" /jffs/scripts/services-start)

if [ "$STARTUPLINECOUNT" -gt 0 ]; then

sed -i -e '/# '"$SCRIPT_NAME"'/d' /jffs/scripts/services-start

fi

fi

;;

esac

}

Auto_OpenVPNEvent(){

case $1 in

create)

if [ -f /jffs/scripts/openvpn-event ]; then

STARTUPLINECOUNT=$(grep -c '# '"$SCRIPT_NAME" /jffs/scripts/openvpn-event)

STARTUPLINECOUNTEX=$(grep -cx "/jffs/scripts/$SCRIPT_NAME openvpn "'$1 $script_type & # '"$SCRIPT_NAME" /jffs/scripts/openvpn-event)

if [ "$STARTUPLINECOUNT" -gt 1 ] || { [ "$STARTUPLINECOUNTEX" -eq 0 ] && [ "$STARTUPLINECOUNT" -gt 0 ]; }; then

sed -i -e '/# '"$SCRIPT_NAME"'/d' /jffs/scripts/openvpn-event

fi

if [ "$STARTUPLINECOUNTEX" -eq 0 ]; then

sed -i '2 i /jffs/scripts/'"$SCRIPT_NAME"' openvpn $1 $script_type & # '"$SCRIPT_NAME" /jffs/scripts/openvpn-event

fi

else

echo "#!/bin/sh" > /jffs/scripts/openvpn-event

echo "" >> /jffs/scripts/openvpn-event

echo "/jffs/scripts/$SCRIPT_NAME openvpn "'$1 $script_type & # '"$SCRIPT_NAME" >> /jffs/scripts/openvpn-event

chmod 0755 /jffs/scripts/openvpn-event

fi

;;

delete)

if [ -f /jffs/scripts/openvpn-event ]; then

STARTUPLINECOUNT=$(grep -c '# '"$SCRIPT_NAME" /jffs/scripts/openvpn-event)

if [ "$STARTUPLINECOUNT" -gt 0 ]; then

sed -i -e '/# '"$SCRIPT_NAME"'/d' /jffs/scripts/openvpn-event

fi

fi

;;

esac

}

Auto_Cron(){

case $1 in

create)

STARTUPLINECOUNT=$(cru l | grep -c "$SCRIPT_NAME")

if [ "$STARTUPLINECOUNT" -eq 0 ]; then

cru a "$SCRIPT_NAME" "*/10 * * * * /jffs/scripts/$SCRIPT_NAME check"

fi

;;

delete)

STARTUPLINECOUNT=$(cru l | grep -c "$SCRIPT_NAME")

if [ "$STARTUPLINECOUNT" -gt 0 ]; then

cru d "$SCRIPT_NAME"

fi

;;

esac

}

Avahi_Conf(){

case $1 in

create)

if [ -f /jffs/scripts/avahi-daemon.postconf ]; then

STARTUPLINECOUNT=$(grep -c "$SCRIPT_NAME" /jffs/scripts/avahi-daemon.postconf)

if [ "$STARTUPLINECOUNT" -eq 0 ]; then

{

echo 'echo "" >> "$1"'

echo 'echo "[reflector]" >> "$1" # '"$SCRIPT_NAME"

echo 'echo "enable-reflector=yes" >> "$1" # '"$SCRIPT_NAME"

echo "sed -i '/^\[Server\]/a cache-entries-max=0' "'"$1" # '"$SCRIPT_NAME"

} >> /jffs/scripts/avahi-daemon.postconf

service restart_mdns >/dev/null 2>&1

fi

else

{

echo '#!/bin/sh'

echo 'echo "" >> "$1"'

echo 'echo "[reflector]" >> "$1" # '"$SCRIPT_NAME"

echo 'echo "enable-reflector=yes" >> "$1" # '"$SCRIPT_NAME"

echo "sed -i '/^\[Server\]/a cache-entries-max=0' "'"$1" # '"$SCRIPT_NAME"

} > /jffs/scripts/avahi-daemon.postconf

chmod 0755 /jffs/scripts/avahi-daemon.postconf

service restart_mdns >/dev/null 2>&1

fi

;;

delete)

if [ -f /jffs/scripts/avahi-daemon.postconf ]; then

STARTUPLINECOUNT=$(grep -c "$SCRIPT_NAME" /jffs/scripts/avahi-daemon.postconf)

if [ "$STARTUPLINECOUNT" -gt 0 ]; then

sed -i -e '/# '"$SCRIPT_NAME"'/d' /jffs/scripts/avahi-daemon.postconf

service restart_mdns >/dev/null 2>&1

fi

fi

;;

esac

}

### Code for this function courtesy of https://github.com/decoderman- credit to @thelonelycoder ###

Firmware_Version_Check(){

echo "$1" | awk -F. '{ printf("%d%03d%03d%03d\n", $1,$2,$3,$4); }'

}

############################################################################

Firmware_Version_WebUI(){

if nvram get rc_support | grep -qF "am_addons"; then

return 0

else

return 1

fi

}

### Code for these functions inspired by https://github.com/Adamm00 - credit to @Adamm ###

Check_Lock(){

if [ -f "/tmp/$SCRIPT_NAME.lock" ]; then

ageoflock=$(($(date +%s) - $(date +%s -r /tmp/$SCRIPT_NAME.lock)))

if [ "$ageoflock" -gt 600 ]; then

Print_Output true "Stale lock file found (>600 seconds old) - purging lock" "$ERR"

kill "$(sed -n '1p' /tmp/$SCRIPT_NAME.lock)" >/dev/null 2>&1

Clear_Lock

echo "$$" > "/tmp/$SCRIPT_NAME.lock"

return 0

else

Print_Output true "Lock file found (age: $ageoflock seconds) - stopping to prevent duplicate runs" "$ERR"

if [ $# -eq 0 ] || [ -z "$1" ]; then

exit 1

else

return 1

fi

fi

else

echo "$$" > "/tmp/$SCRIPT_NAME.lock"

return 0

fi

}

Clear_Lock(){

rm -f "/tmp/$SCRIPT_NAME.lock" 2>/dev/null

return 0

}

############################################################################

Set_Version_Custom_Settings(){

SETTINGSFILE="/jffs/addons/custom_settings.txt"

case "$1" in

local)

if [ -f "$SETTINGSFILE" ]; then

if [ "$(grep -c "yazfi_version_local" $SETTINGSFILE)" -gt 0 ]; then

if [ "$SCRIPT_VERSION" != "$(grep "yazfi_version_local" /jffs/addons/custom_settings.txt | cut -f2 -d' ')" ]; then

sed -i "s/yazfi_version_local.*/yazfi_version_local $2/" "$SETTINGSFILE"

fi

else

echo "yazfi_version_local $2" >> "$SETTINGSFILE"

fi

else

echo "yazfi_version_local $2" >> "$SETTINGSFILE"

fi

;;

server)

if [ -f "$SETTINGSFILE" ]; then

if [ "$(grep -c "yazfi_version_server" $SETTINGSFILE)" -gt 0 ]; then

if [ "$2" != "$(grep "yazfi_version_server" /jffs/addons/custom_settings.txt | cut -f2 -d' ')" ]; then

sed -i "s/yazfi_version_server.*/yazfi_version_server $2/" "$SETTINGSFILE"

fi

else

echo "yazfi_version_server $2" >> "$SETTINGSFILE"

fi

else

echo "yazfi_version_server $2" >> "$SETTINGSFILE"

fi

;;

esac

}

Update_Check(){

echo 'var updatestatus = "InProgress";' > "$SCRIPT_WEB_DIR/detect_update.js"

doupdate="false"

localver=$(grep "SCRIPT_VERSION=" "/jffs/scripts/$SCRIPT_NAME" | grep -m1 -oE 'v[0-9]{1,2}([.][0-9]{1,2})([.][0-9]{1,2})')

/usr/sbin/curl -fsL --retry 3 "$SCRIPT_REPO/404/$SCRIPT_NAME.sh" | grep -qF "jackyaz" || { Print_Output true "404 error detected - stopping update" "$ERR"; return 1; }

serverver=$(/usr/sbin/curl -fsL --retry 3 "$SCRIPT_REPO/version/$SCRIPT_NAME.sh" | grep "SCRIPT_VERSION=" | grep -m1 -oE 'v[0-9]{1,2}([.][0-9]{1,2})([.][0-9]{1,2})')

if [ "$localver" != "$serverver" ]; then

doupdate="version"

Set_Version_Custom_Settings server "$serverver"

echo 'var updatestatus = "'"$serverver"'";' > "$SCRIPT_WEB_DIR/detect_update.js"

else

localmd5="$(md5sum "/jffs/scripts/$SCRIPT_NAME" | awk '{print $1}')"

remotemd5="$(curl -fsL --retry 3 "$SCRIPT_REPO/md5/$SCRIPT_NAME.sh" | md5sum | awk '{print $1}')"

if [ "$localmd5" != "$remotemd5" ]; then

doupdate="md5"

Set_Version_Custom_Settings server "$serverver-hotfix"

echo 'var updatestatus = "'"$serverver-hotfix"'";' > "$SCRIPT_WEB_DIR/detect_update.js"

fi

fi

if [ "$doupdate" = "false" ]; then

echo 'var updatestatus = "None";' > "$SCRIPT_WEB_DIR/detect_update.js"

fi

echo "$doupdate,$localver,$serverver"

}

##----------------------------------------##

## Modified by Martinski W. [2022-Dec-26] ##

##----------------------------------------##

Update_Version(){

if [ $# -eq 0 ] || [ -z "$1" ]; then

updatecheckresult="$(Update_Check)"

isupdate="$(echo "$updatecheckresult" | cut -f1 -d',')"

localver="$(echo "$updatecheckresult" | cut -f2 -d',')"

serverver="$(echo "$updatecheckresult" | cut -f3 -d',')"

if [ "$isupdate" = "version" ]; then

Print_Output true "New version of $SCRIPT_NAME available - $serverver" "$PASS"

elif [ "$isupdate" = "md5" ]; then

Print_Output true "MD5 hash of $SCRIPT_NAME does not match - hotfix available - $serverver" "$PASS"

fi

if [ "$isupdate" != "false" ]; then

printf "\\n${BOLD}Do you want to continue with the update? (y/n)${CLEARFORMAT} "

read -r confirm

case "$confirm" in

y|Y)

if Firmware_Version_WebUI ; then

Update_File shared-jy.tar.gz

Update_File YazFi_www.asp

else

Print_Output true "WebUI is only supported on firmware versions with addon support" "$WARN"

fi

Update_File README.md

Update_File LICENSE

##-------------------------------------##

## Added by Martinski W. [2022-Dec-26] ##

##-------------------------------------##

Update_File "$SCRIPT_CONF"

Download_File "$SCRIPT_REPO/update/$SCRIPT_NAME.sh" "/jffs/scripts/$SCRIPT_NAME" && Print_Output true "$SCRIPT_NAME successfully updated - restarting firewall to apply update"

chmod 0755 "/jffs/scripts/$SCRIPT_NAME"

Set_Version_Custom_Settings local "$serverver"

Set_Version_Custom_Settings server "$serverver"

Clear_Lock

service restart_firewall >/dev/null 2>&1

PressEnter

exec "$0"

exit 0

;;

*)

printf "\\n"

Clear_Lock

return 1

;;

esac

else

Print_Output true "No updates available - latest is $localver" "$WARN"

Clear_Lock

fi

fi

if [ "$1" = "force" ]; then

serverver=$(/usr/sbin/curl -fsL --retry 3 "$SCRIPT_REPO/version/$SCRIPT_NAME.sh" | grep "SCRIPT_VERSION=" | grep -m1 -oE 'v[0-9]{1,2}([.][0-9]{1,2})([.][0-9]{1,2})')

Print_Output true "Downloading latest version ($serverver) of $SCRIPT_NAME" "$PASS"

if Firmware_Version_WebUI ; then

Update_File shared-jy.tar.gz

Update_File YazFi_www.asp

else

Print_Output true "WebUI is only supported on firmware versions with addon support" "$WARN"

fi

Update_File README.md

Update_File LICENSE

##-------------------------------------##

## Added by Martinski W. [2022-Dec-26] ##

##-------------------------------------##

Update_File "$SCRIPT_CONF"

Download_File "$SCRIPT_REPO/update/$SCRIPT_NAME.sh" "/jffs/scripts/$SCRIPT_NAME" && Print_Output true "$SCRIPT_NAME successfully updated - restarting firewall to apply update"

chmod 0755 "/jffs/scripts/$SCRIPT_NAME"

Set_Version_Custom_Settings local "$serverver"

Set_Version_Custom_Settings server "$serverver"

Clear_Lock

service restart_firewall >/dev/null 2>&1

if [ -z "$2" ]; then

PressEnter

exec "$0"

elif [ "$2" = "unattended" ]; then

exec "$0" postupdate

fi

exit 0

fi

}

##----------------------------------------##

## Modified by Martinski W. [2022-Dec-26] ##

##----------------------------------------##

Update_File(){

if [ "$1" = "YazFi_www.asp" ]; then

tmpfile="/tmp/$1"

Download_File "$SCRIPT_REPO/files/$1" "$tmpfile"

if ! diff -q "$tmpfile" "$SCRIPT_DIR/$1" >/dev/null 2>&1; then

if [ -f "$SCRIPT_DIR/$1" ]; then

Get_WebUI_Page "$SCRIPT_DIR/$1"

sed -i "\\~$MyPage~d" /tmp/menuTree.js

rm -f "$SCRIPT_WEBPAGE_DIR/$MyPage" 2>/dev/null

fi

Download_File "$SCRIPT_REPO/files/$1" "$SCRIPT_DIR/$1"

Print_Output true "New version of $1 downloaded" "$PASS"

Mount_WebUI

fi

rm -f "$tmpfile"

elif [ "$1" = "shared-jy.tar.gz" ]; then

if [ ! -f "$SHARED_DIR/$1.md5" ]; then

Download_File "$SHARED_REPO/$1" "$SHARED_DIR/$1"

Download_File "$SHARED_REPO/$1.md5" "$SHARED_DIR/$1.md5"

tar -xzf "$SHARED_DIR/$1" -C "$SHARED_DIR"

rm -f "$SHARED_DIR/$1"

Print_Output true "New version of $1 downloaded" "$PASS"

else

localmd5="$(cat "$SHARED_DIR/$1.md5")"

remotemd5="$(curl -fsL --retry 3 "$SHARED_REPO/$1.md5")"

if [ "$localmd5" != "$remotemd5" ]; then

Download_File "$SHARED_REPO/$1" "$SHARED_DIR/$1"

Download_File "$SHARED_REPO/$1.md5" "$SHARED_DIR/$1.md5"

tar -xzf "$SHARED_DIR/$1" -C "$SHARED_DIR"

rm -f "$SHARED_DIR/$1"

Print_Output true "New version of $1 downloaded" "$PASS"

fi

fi

elif [ "$1" = "README.md" ] || [ "$1" = "LICENSE" ]; then

tmpfile="/tmp/$1"

Download_File "$SCRIPT_REPO/files/$1" "$tmpfile"

if ! diff -q "$tmpfile" "$SCRIPT_DIR/$1" >/dev/null 2>&1; then

Download_File "$SCRIPT_REPO/files/$1" "$SCRIPT_DIR/$1"

fi

rm -f "$tmpfile"

elif [ "$1" = "$SCRIPT_CONF" ]

then

if ! grep -q -E "^wl31_|^wl32_|^wl33_" "$SCRIPT_CONF"

then

if Conf_ADD_Download "$SCRIPT_CONF"

then

cat "${SCRIPT_CONF}.ADD.txt" >> "$SCRIPT_CONF"

cp -fp "$SCRIPT_CONF" "${SCRIPT_CONF}.bak"

rm -f "${SCRIPT_CONF}.ADD.txt"

else

Print_Output true "Could not update configuration file: $SCRIPT_CONF" "$ERR"

fi

fi

else

return 1

fi

}

IP_Local(){

if echo "$1" | grep -qE '(^10\.)|(^172\.1[6-9]\.)|(^172\.2[0-9]\.)|(^172\.3[0-1]\.)|(^192\.168\.)'; then

return 0

elif [ "$1" = "127.0.0.1" ]; then

return 0

else

return 1

fi

}

IP_Router(){

if [ "$1" = "$(nvram get lan_ipaddr)" ] || [ "$1" = "127.0.0.1" ]; then

return 0

elif [ "$1" = "$(eval echo '$'"$(Get_Iface_Var "$2")_IPADDR" | cut -f1-3 -d".").$(nvram get lan_ipaddr | cut -f4 -d".")" ]; then

return 0

else

return 1

fi

}

Validate_Enabled_IFACE(){

IFACE_TEST="$(nvram get "${1}_bss_enabled")"

if ! Validate_Number "" "$IFACE_TEST" silent; then IFACE_TEST=0; fi

if [ "$IFACE_TEST" -eq 0 ]; then

if [ -z "$2" ]; then

Print_Output false "$1 - Interface not enabled/configured in Web GUI (Guest Network menu)" "$ERR"

fi

return 1

else

return 0

fi

}

Validate_Exists_IFACE(){

validiface=""

for IFACE_EXIST in $IFACELIST; do

if [ "$1" = "$IFACE_EXIST" ]; then

validiface="true"

fi

done

if [ "$validiface" = "true" ]; then

return 0

else

if [ -z "$2" ]; then

Print_Output false "$1 - Interface not supported on this router" "$ERR"

fi

return 1

fi

}

Validate_IP(){

if expr "$2" : '[0-9][0-9]*\.[0-9][0-9]*\.[0-9][0-9]*\.[0-9][0-9]*$' >/dev/null; then

for i in 1 2 3 4; do

if [ "$(echo "$2" | cut -d. -f$i)" -gt 255 ]; then

Print_Output false "$1 - Octet $i ($(echo "$2" | cut -d. -f$i)) - is invalid, must be less than 255" "$ERR"

return 1

fi

done

if [ "$3" != "DNS" ]; then

if IP_Local "$2"; then

return 0

else

Print_Output false "$1 - $2 - Non-local IP address block used" "$ERR"

return 1

fi

else

return 0

fi

else

Print_Output false "$1 - $2 - is not a valid IPv4 address, valid format is 1.2.3.4" "$ERR"

return 1

fi

}

Validate_Number(){

if [ "$2" -eq "$2" ] 2>/dev/null; then

return 0

else

formatted="$(echo "$1" | sed -e 's/|/ /g')"

if [ -z "$3" ]; then

Print_Output false "$formatted - $2 is not a number" "$ERR"

fi

return 1

fi

}

##----------------------------------------##

## Modified by Martinski W. [2022-Dec-05] ##

##----------------------------------------##

Validate_DHCP(){

if ! Validate_Number "$1" "$2"; then

return 1

elif ! Validate_Number "$1" "$3"; then

return 1

fi

if [ "$2" -gt "$3" ] || { [ "$2" -lt 2 ] || [ "$2" -gt 253 ]; } || { [ "$3" -lt 3 ] || [ "$3" -gt 254 ]; }; then

Print_Output false "$1 - $2 to $3 - both numbers must be between 2 and 254, $2 must be less than $3" "$ERR"

return 1

else

return 0

fi

}

##----------------------------------------------##

## Added/modified by Martinski W. [2023-Jan-30] ##

##----------------------------------------------##

# The DHCP Lease Time values can be given in:

# seconds, minutes, hours, days, or weeks.

# Single '0' or 'I' indicates "infinite" value.

#------------------------------------------------#

Validate_DHCP_LeaseTime()

{

timeUnits="X" timeFactor=1 timeNumber="$2"

if [ "$2" = "0" ] || [ "$2" = "$InfiniteLeaseTimeTag" ]

then return 0 ; fi

if echo "$2" | grep -q "^0.*"

then

Print_Output false "$1 - $2 is not a valid setting." "$ERR"

return 1

fi

if echo "$2" | grep -q "^[0-9]\{1,7\}$"

then

timeUnits="s"

timeNumber="$2"

elif echo "$2" | grep -q "^[0-9]\{1,6\}[smhdw]\{1\}$"

then

timeUnits="$(echo "$2" | awk '{print substr($0,length($0),1)}')"

timeNumber="$(echo "$2" | awk '{print substr($0,0,length($0)-1)}')"

fi

case "$timeUnits" in

s) timeFactor=1 ;;

m) timeFactor=60 ;;

h) timeFactor=3600 ;;

d) timeFactor=86400 ;;

w) timeFactor=604800 ;;

esac

if ! Validate_Number "$1" "$timeNumber"

then return 1 ; fi

timeValue="$((timeNumber * timeFactor))"

if [ "$timeValue" -lt "$MinDHCPLeaseTime" ] || [ "$timeValue" -gt "$MaxDHCPLeaseTime" ]; then

Print_Output false "$1 - $timeValue - must be between $MinDHCPLeaseTime and $MaxDHCPLeaseTime in seconds." "$ERR"

return 1

else

return 0

fi

}

Validate_VPNClientNo(){

if ! Validate_Number "$1" "$2"; then