Update InstallNET.sh

Linux_reinstall/InstallNET.sh

@@ -298,7 +298,7 @@ while [[ $# -ge 1 ]]; do
 # Check Root
 [[ "$EUID" -ne '0' || $(id -u) != '0' ]] && echo -ne "\n[${red}Error${plain}] This script must be executed as root!\n\nTry to type:\n${yellow}sudo -s\n${plain}\nAfter entering the password, switch to root dir to execute this script:\n${yellow}cd ~${plain}\n\n" && exit 1
 
-# Ping delay to YouTube($1) and Instagram($2) and Twitter($3), support both ipv4 and ipv6, $4 is $IPStackType
+# Ping delay to YouTube($1) and Instagram($2) and Wikipedia($3), support both ipv4 and ipv6, $4 is $IPStackType
 function checkCN() {
   for TestUrl in "$1" "$2" "$3"; do
 # "rtt" result of ping command of Alpine Linux is "round-trip" and it can't handle "sed -n" well.
@@ -427,8 +427,8 @@ function getIPv4Address() {
   ipPrefix=`echo ${iAddr} | cut -d'/' -f2`
   ipMask=`netmask "$ipPrefix"`
 # Get real IPv4 subnet of current System
-  ip4RouteScopeLink=`ip -4 route show scope link | grep -w "$interface4" | grep -w "$ipAddr" | grep -m1 -oE '[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}' | head -n 1`
-  actualIp4Prefix=`ip -4 route show scope link | grep -w "$interface4" | grep -w "$ip4RouteScopeLink" | head -n 1 | awk '{print $1}' | cut -d'/' -f2`
+  ip4RouteScopeLink=`ip -4 route show scope link | grep -iv "warp" | grep -w "$interface4" | grep -w "$ipAddr" | grep -m1 -oE '[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}' | head -n 1`
+  actualIp4Prefix=`ip -4 route show scope link | grep -iv "warp" | grep -w "$interface4" | grep -w "$ip4RouteScopeLink" | head -n 1 | awk '{print $1}' | cut -d'/' -f2`
   [[ -z "$actualIp4Prefix" ]] && actualIp4Prefix="$ipPrefix"
   actualIp4Subnet=`netmask "$actualIp4Prefix"`
 # In most situation, at least 99.9% probability, the first hop of the network should be the same as the available gateway. 
@@ -437,13 +437,13 @@ function getIPv4Address() {
 # But installer said the correct gateway should be 5.45.76.1, in a typical network, for example, your home, 
 # the default gateway is the same as the first route hop of the machine, it may be 192.168.0.1.
 # If possible, we should configure out the real available gateway of the network.
-  FirstRoute=`ip -4 route show default | grep -w "via" | grep -w "dev $interface4*" | head -n 1 | awk -F " " '{for (i=3;i<=NF;i++)printf("%s ", $i);print ""}' | awk '{print$1}'`
+  FirstRoute=`ip -4 route show default | grep -iv "warp" | grep -w "via" | grep -w "dev $interface4*" | head -n 1 | awk -F " " '{for (i=3;i<=NF;i++)printf("%s ", $i);print ""}' | awk '{print$1}'`
 # We should find it in ARP, the first hop IP and gateway IP is managed by the same device, use device mac address to configure it out.
   RouterMac=`arp -n | grep "$FirstRoute" | awk '{print$3}'`
   FrFirst=`echo "$FirstRoute" | cut -d'.' -f 1,2`
   FrThird=`echo "$FirstRoute" | cut -d'.' -f 3`
 # Print all matched available gateway.
-  ipGates=`ip -4 route show | grep -v "via" | grep -w "dev $interface4*" | grep -w "proto*" | grep -w "scope global\|link src $ipAddr*" | awk '{print$1}'`
+  ipGates=`ip -4 route show | grep -iv "warp" | grep -v "via" | grep -w "dev $interface4*" | grep -w "proto*" | grep -w "scope global\|link src $ipAddr*" | awk '{print$1}'`
 # Figure out the line of this list.
   ipGateLine=`echo "$ipGates" | wc -l`
 # The line determines the cycling times.
@@ -974,6 +974,14 @@ function checkIpv4OrIpv6() {
   [[ "$tmpSetIPv6" == "0" ]] && setIPv6="0" || setIPv6="1"
 }
 
+# Some "BiStack" types are accomplished by Warp which provided by CloudFlare, so we need to distinguish whether IPv4 or IPv6 stack in enabled by Warp.
+function checkWarp() {
+  [[ -f "/etc/wireguard/warp.conf" || -f "/opt/warp-go/warp.conf" && "$IPStackType" == "BiStack" ]] && {
+    [[ -z "$ipGate" ]] && IPStackType="IPv6Stack"
+    [[ -z "$ip6Gate" ]] && IPStackType="IPv4Stack"
+  }
+}
+
 function getIPv6Address() {
 # Differences from scope link, scope host and scope global of IPv6, reference: https://qiita.com/_dakc_/items/4eefa443306860bdcfde
   i6Addr=`ip -6 addr show | grep -wA 5 "$interface" | grep -wv "lo\|host" | grep -wv "link" | grep -w "inet6" | grep "scope" | grep "global" | head -n 1 | awk -F " " '{for (i=2;i<=NF;i++)printf("%s ", $i);print ""}' | awk '{print$1}'`
@@ -981,9 +989,9 @@ function getIPv6Address() {
   ip6Addr=`echo ${i6Addr} |cut -d'/' -f1`
   ip6Mask=`echo ${i6Addr} |cut -d'/' -f2`
 # Get real IPv6 subnet of current System
-  actualIp6Prefix=`ip -6 route show | grep -w "$interface6" | grep -v "default" | grep -v "multicast" | grep -P '../[0-9]{1,3}' | head -n 1 | awk '{print $1}' | cut -d'/' -f2`
+  actualIp6Prefix=`ip -6 route show | grep -iv "warp" | grep -w "$interface6" | grep -v "default" | grep -v "multicast" | grep -P '../[0-9]{1,3}' | head -n 1 | awk '{print $1}' | cut -d'/' -f2`
   [[ -z "$actualIp6Prefix" ]] && actualIp6Prefix="$ip6Mask"
-  ip6Gate=`ip -6 route show default | grep -w "$interface" | grep -w "via" | grep "dev" | head -n 1 | awk -F " " '{for (i=3;i<=NF;i++)printf("%s ", $i);print ""}' | awk '{print$1}'`
+  ip6Gate=`ip -6 route show default | grep -iv "warp" | grep -w "$interface" | grep -w "via" | grep "dev" | head -n 1 | awk -F " " '{for (i=3;i<=NF;i++)printf("%s ", $i);print ""}' | awk '{print$1}'`
   [[ -n "$interface4" && -n "$interface6" && "$interface4" != "$interface6" ]] && ip6Gate=`ip -6 route show default | grep -w "$interface6" | grep -w "via" | grep "dev" | head -n 1 | awk -F " " '{for (i=3;i<=NF;i++)printf("%s ", $i);print ""}' | awk '{print$1}'`
 # IPv6 expansion algorithm code reference: https://blog.caoyu.info/expand-ipv6-by-shell.html
   ip6AddrWhole=`ultimateFormatOfIpv6 "$ip6Addr"`
@@ -2024,6 +2032,8 @@ if [[ "$setNet" == "0" ]]; then
   [[ "$IPStackType" != "IPv4Stack" ]] && getIPv6Address
 fi
 
+checkWarp
+
 IPv4="$ipAddr"; MASK="$ipMask"; GATE="$ipGate";
 if [[ -z "$IPv4" && -z "$MASK" && -z "$GATE" ]] && [[ -z "$ip6Addr" && -z "$ip6Mask" && -z "$ip6Gate" ]]; then
   echo -ne "\n[${red}Error${plain}] The network of your machine may not be available!\n"