Create ssh.py

ssh.py

@@ -0,0 +1,123 @@
+import socket
+import sys
+import threading
+import paramiko
+import select
+import time
+
+# 配置参数
+USERNAME = 'Vme50RMB'
+PASSWORD = f'{ssh_pass}'
+HOST = 'lovedraw.cn'
+REMOTE_PORT = 7865
+LOCAL_HOST = '127.0.0.1'
+LOCAL_PORT = 7865
+KEEP_ALIVE_INTERVAL = 30  # 发送保持连接的间隔时间（秒）
+
+# 定义一个类来处理转发请求
+class ReverseForwardServer(threading.Thread):
+    def __init__(self, transport, remote_port, local_host, local_port):
+        super(ReverseForwardServer, self).__init__()
+        self.transport = transport
+        self.remote_port = remote_port
+        self.local_host = local_host
+        self.local_port = local_port
+        self.daemon = True  # 使线程随主线程退出
+        self.start()
+
+    def run(self):
+        # 请求远程端口转发
+        try:
+            self.transport.request_port_forward('', self.remote_port)
+            print(f"请求在远程服务器上监听端口 {self.remote_port}，转发到本地 {self.local_host}:{self.local_port}")
+        except Exception as e:
+            print(f'无法请求远程端口转发: {e}')
+            sys.exit(1)
+
+        while True:
+            try:
+                chan = self.transport.accept(1000)  # 等待新连接，超时1秒
+                if chan is None:
+                    continue
+                thr = threading.Thread(target=self.handle_channel, args=(chan,))
+                thr.daemon = True
+                thr.start()
+            except Exception as e:
+                print(f"处理通道时发生错误: {e}")
+                break
+
+    def handle_channel(self, chan):
+        try:
+            # 连接到本地服务
+            sock = socket.socket()
+            sock.connect((self.local_host, self.local_port))
+        except Exception as e:
+            print(f"无法连接到本地服务 {self.local_host}:{self.local_port}: {e}")
+            chan.close()
+            return
+
+        print(f"建立连接: {chan.origin_addr} -> {self.local_host}:{self.local_port}")
+
+        # 双向转发数据
+        def forward(src, dst):
+            try:
+                while True:
+                    data = src.recv(1024)
+                    if not data:
+                        break
+                    dst.sendall(data)
+            except Exception:
+                pass
+            finally:
+                src.close()
+                dst.close()
+
+        # 启动两个线程进行数据转发
+        t1 = threading.Thread(target=forward, args=(chan, sock))
+        t2 = threading.Thread(target=forward, args=(sock, chan))
+        t1.daemon = True
+        t2.daemon = True
+        t1.start()
+        t2.start()
+
+def main():
+    while True:  # 自动重连循环
+        client = paramiko.SSHClient()
+        client.set_missing_host_key_policy(paramiko.AutoAddPolicy())  # 自动添加主机密钥
+
+        try:
+            print(f"正在连接到 {HOST}...")
+            client.connect(hostname=HOST, username=USERNAME, password=PASSWORD)
+            print("连接成功！")
+
+            transport = client.get_transport()
+            if transport is None or not transport.is_active():
+                print("SSH Transport不可用")
+                raise Exception("SSH Transport不可用")
+
+            # 设置保持连接（发送心跳）
+            transport.set_keepalive(KEEP_ALIVE_INTERVAL)
+            print(f"已设置保持连接，每 {KEEP_ALIVE_INTERVAL} 秒发送一次心跳包")
+
+            # 启动反向端口转发服务器
+            ReverseForwardServer(transport, REMOTE_PORT, LOCAL_HOST, LOCAL_PORT)
+
+            print(f"已在远程服务器 {HOST} 上监听端口 {REMOTE_PORT}，并转发到本地 {LOCAL_HOST}:{LOCAL_PORT}")
+
+            # 保持主线程运行，并监控连接状态
+            while transport.is_active():
+                time.sleep(1)
+
+        except KeyboardInterrupt:
+            print("用户中断，关闭连接。")
+            break
+        except Exception as e:
+            print(f"发生错误: {e}")
+            print("尝试重新连接...")
+            time.sleep(5)  # 等待5秒后重试
+        finally:
+            client.close()
+            print("SSH连接已关闭。")
+
+if __name__ == "__main__":
+    main()