From b575173558c3065e2f1c453caae5ec0433bdfb25 Mon Sep 17 00:00:00 2001
From: sky <cure-angled-rewrap@duck.com>
Date: Fri, 13 Dec 2024 19:46:57 +0800
Subject: [PATCH] =?UTF-8?q?=E6=9B=B4=E6=96=B0=20RMxxx=5Frgmii=5Ftoolkit.sh?=
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---
 RMxxx_rgmii_toolkit.sh | 38 ++++++++++++++++++++++++++++++++++++--
 1 file changed, 36 insertions(+), 2 deletions(-)

diff --git a/RMxxx_rgmii_toolkit.sh b/RMxxx_rgmii_toolkit.sh
index b0b789f..3c96f15 100644
--- a/RMxxx_rgmii_toolkit.sh
+++ b/RMxxx_rgmii_toolkit.sh
@@ -434,6 +434,38 @@ WantedBy=multi-user.target" > "$cfun_service_path"
     fi
 }
 
+# Function to change hostname
+change_hostname() {
+    # 显示当前主机名
+    current_hostname=$(cat /etc/hostname)
+    echo -e "\e[1;32mCurrent hostname: $current_hostname\e[0m"
+    
+    # 提示用户输入新主机名
+    echo -e "\e[1;32mEnter new hostname (or 'exit' to cancel):\e[0m"
+    read new_hostname
+    
+    if [ "$new_hostname" = "exit" ]; then
+        echo -e "\e[1;31mHostname change cancelled.\e[0m"
+        return
+    fi
+    
+    # 验证主机名格式
+    if ! echo "$new_hostname" | grep -qE '^[a-zA-Z0-9-]+$'; then
+        echo -e "\e[1;31mInvalid hostname. Hostname can only contain letters, numbers, and hyphens.\e[0m"
+        return
+    fi
+    
+    # 修改主机名
+    remount_rw
+    echo "$new_hostname" > /etc/hostname
+    sed -i "s/127.0.1.1.*$/127.0.1.1\t$new_hostname/g" /etc/hosts
+    hostname "$new_hostname"
+    remount_ro
+    
+    echo -e "\e[1;32mHostname has been changed to: $new_hostname\e[0m"
+    echo -e "\e[1;33mPlease reboot the device for the change to take full effect.\e[0m"
+}
+
 #####################################################################
 # SimpleAdmin Functions
 #####################################################################
@@ -979,7 +1011,8 @@ display_main_menu() {
     echo -e "\e[92m11) Install Speedtest.net CLI app (speedtest command)\e[0m" # Light Green
     echo -e "\e[92m12) Install Fast.com CLI app (fast command)(tops out at 40Mbps)\e[0m" # Light Green
     echo -e "\e[92m13) Install OpenSSH Server\e[0m" # Light Green
-    echo -e "\e[93m14) Exit\e[0m" # Yellow
+    echo -e "\e[92m14) Change Hostname\e[0m" # Light Green
+    echo -e "\e[93m15) Exit\e[0m" # Yellow
 }
 
 # Main program loop
@@ -1024,7 +1057,8 @@ main() {
             11) install_speedtest_cli;;
             12) install_fast_cli;;
             13) install_sshd;;
-            14)
+            14) change_hostname;;
+            15)
                 echo -e "\e[1;32mGoodbye!\e[0m"
                 break
                 ;;