From 3a171765688ca0eef3f0b28b7b2ba0c6a25b097b Mon Sep 17 00:00:00 2001
From: elseif <elseif@live.cn>
Date: Mon, 25 Aug 2025 21:54:18 +0800
Subject: [PATCH] Update chr.sh

Signed-off-by: elseif <elseif@live.cn>
---
 chr.sh | 44 ++++++++++++++++++++++++++++++++------------
 1 file changed, 32 insertions(+), 12 deletions(-)

diff --git a/chr.sh b/chr.sh
index cc5b5d2..e94dc07 100644
--- a/chr.sh
+++ b/chr.sh
@@ -1,12 +1,28 @@
 #!/bin/sh
 set -e
-if [ -d /sys/firmware/efi ]; then
-    echo "System boot mode: UEFI"
-    wget --no-check-certificate -O /tmp/chr.img.zip https://github.com/elseif/MikroTikPatch/releases/download/7.19.4/chr-7.19.4.img.zip
-else
-    echo "System boot mode: BIOS/MBR"
-    wget --no-check-certificate -O /tmp/chr.img.zip https://github.com/elseif/MikroTikPatch/releases/download/7.19.4/chr-7.19.4-legacy-bios.img.zip
-fi
+LATEST_VERSION="7.19.4"
+ARCH=$(uname -m)
+case $ARCH in
+    x86_64|i386|i486|i586|i686)
+         echo "ARCH: $ARCH"
+        if [ -d /sys/firmware/efi ]; then
+            echo "BOOT MODE: UEFI"
+            IMG_URL="https://github.com/elseif/MikroTikPatch/releases/download/$LATEST_VERSION/chr-$LATEST_VERSION.img.zip"
+        else
+            echo "BOOT MOD: BIOS/MBR"
+            IMG_URL="https://github.com/elseif/MikroTikPatch/releases/download/$LATEST_VERSION/chr-$LATEST_VERSION-legacy-bios.img.zip"
+        fi
+        ;; 
+    aarch64)
+         echo "ARCH: $ARCH"
+         IMG_URL="https://github.com/elseif/MikroTikPatch/releases/download/$LATEST_VERSION-arm64/chr-$LATEST_VERSION-arm64.img.zip"
+        ;; 
+    *)
+        echo "Unsupported architecture: $ARCH"
+        exit 1
+        ;;
+esac
+wget --no-check-certificate -O /tmp/chr.img.zip "$IMG_URL"
 cd /tmp
 unzip -p chr.img.zip > chr.img
 
@@ -16,19 +32,22 @@ STORAGE=$(for d in /sys/block/*; do
         *) echo $(basename $d); break ;;
     esac
 done)
-echo "STORAGE is $STORAGE"
+echo "STORAGE: $STORAGE"
 
 ETH=$(ip route show default | grep '^default' | sed -n 's/.* dev \([^\ ]*\) .*/\1/p')
-echo "ETH is $ETH"
+echo "ETH: $ETH"
 
 ADDRESS=$(ip addr show $ETH | grep global | cut -d' ' -f 6 | head -n 1)
-echo "ADDRESS is $ADDRESS"
+echo "ADDRESS: $ADDRESS"
 
 GATEWAY=$(ip route list | grep default | cut -d' ' -f 3)
-echo "GATEWAY is $GATEWAY"
+echo "GATEWAY:  $GATEWAY"
+
+DNS=$(grep '^nameserver' /etc/resolv.conf | awk '{print $2}' | head -n 1)
+[ -z "$DNS" ] && DNS="8.8.8.8"  
+echo "DNS: $DNS"
 
 if LOOP=$(losetup -Pf --show chr.img 2>/dev/null); then
-    echo "LOOP device is $LOOP"
     sleep 3
     MNT=/tmp/chr
     mkdir -p $MNT
@@ -36,6 +55,7 @@ if LOOP=$(losetup -Pf --show chr.img 2>/dev/null); then
         cat <<EOF | tee $MNT/rw/autorun.scr
 /ip address add address=$ADDRESS interface=ether1
 /ip route add gateway=$GATEWAY
+/ip dns set servers=$DNS
 EOF
         echo "autorun.scr file created."
         umount $MNT