[Update] Telent连接，添加终端类型配置项（选项协商使用）

coco/conf.py

@@ -377,6 +377,7 @@ defaults = {
     'UPLOAD_FAILED_REPLAY_ON_START': True,
     'REUSE_CONNECTION': True,
     'FORCE_REMOVE_FOLDER': False,
+    'TELNET_TTYPE': 'XTERM-256COLOR',
 }
 
 

coco/connection.py

@@ -344,7 +344,8 @@ class TelnetConnection:
             elif x == telnetlib.DO + telnetlib.TTYPE:
                 new_data_list.append(telnetlib.WILL + telnetlib.TTYPE)
             elif x == telnetlib.SB + telnetlib.TTYPE + b'\x01':
-                new_data_list.append(telnetlib.SB + telnetlib.TTYPE + b'\x00' + b'XTERM-256COLOR')
+                terminal_type = bytes(config.TELNET_TTYPE, encoding='utf-8')
+                new_data_list.append(telnetlib.SB + telnetlib.TTYPE + b'\x00' + terminal_type)
             elif telnetlib.DO in x:
                 new_data_list.append(x.replace(telnetlib.DO, telnetlib.WONT))
             elif telnetlib.WILL in x:

config_example.yml

@@ -63,3 +63,6 @@ BOOTSTRAP_TOKEN: <PleasgeChangeSameWithJumpserver>
 
 # 是否强制删除文件夹:(default false)
 # FORCE_REMOVE_FOLDER: false
+
+# Telnet连接协商使用的终端类型
+# TELNET_TTYPE: XTERM-256COLOR