support clipboard integration via OSC52

HarryCU · Jul 14, 2024 · d154d5b · d154d5b
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diff --git a/README.cn.md b/README.cn.md
@@ -647,6 +647,20 @@ trzsz-ssh ( tssh ) 设计为 ssh 客户端的直接替代品，提供与 openssh
 - `Key Value # Comment` 配置（没有 `=` 号），`openssh` 有些情况认为 `#` 后的内容是注释，有些情况认为不是注释；`tssh` 一律认为 `#` 后的内容是注释。
 - `Key=Value # Comment` 配置（有 `=` 号），`openssh` 有些情况认为 `#` 后的内容是注释，有些情况认为不是注释；`tssh` 一律认为 `#` 后的内容不是注释。
 
+## 剪贴板集成
+
+- 在 `~/.ssh/config` 或 `ExConfigPath` 配置文件中，配置 `EnableOSC52` 为 `Yes` 启用剪贴板集成功能。
+
+  ```
+  Host *
+    # 如果配置在 ~/.ssh/config 中，可以加上 `#!!` 前缀，以兼容标准 ssh
+    EnableOSC52 Yes
+  ```
+
+- 启用剪贴板集成功能后，支持远程服务器通过 OSC52 序列写入本地剪贴板。
+
+- 在 Linux 系统，剪贴板集成功能需要安装 `xclip` 或 `xsel` 命令。
+
 ## 其他功能
 
 - 使用 `-f` 后台运行时，可以加上 `--reconnect` 参数，在后台进程因连接断开等而退出时，会自动重新连接。

diff --git a/README.en.md b/README.en.md
@@ -649,6 +649,20 @@ trzsz-ssh ( tssh ) is an ssh client designed as a drop-in replacement for the op
 
 - `Key=Value # Comment` configuration (with `=` sign), `openssh` considers the content after `#` to be a comment in some cases, and considers it not to be a comment in some other cases; `tssh` always considers the content after `#` not to be a comment.
 
+## Clipboard Integration
+
+- In the `~/.ssh/config` or `ExConfigPath` configuration file, configure `EnableOSC52` to `Yes` to enable the clipboard integration feature.
+
+  ```
+  Host *
+    # If configured in ~/.ssh/config, add `#!!` prefix to be compatible with openssh.
+    EnableOSC52 Yes
+  ```
+
+- Clipboard integration allows remote servers to write to the local clipboard via OSC52 sequences.
+
+- On Linux, clipboard integration requires `xclip` or `xsel` command to be installed.
+
 ## Other Features
 
 - Use `-f` to run in the background, you can add `--reconnect`, it will automatically reconnect when the background process exits.

diff --git a/README.md b/README.md
@@ -30,20 +30,21 @@ trzsz-ssh ( tssh ) works exactly like the openssh client. The following common f
 
 trzsz-ssh ( tssh ) offers additional useful features:
 
-|                           English                           |                             中文                              |
-| :---------------------------------------------------------: | :-----------------------------------------------------------: |
-|          [Login Prompt](README.en.md#login-prompt)          | [登录界面](README.cn.md#%E7%99%BB%E5%BD%95%E7%95%8C%E9%9D%A2) |
-|          [Custom Theme](README.en.md#custom-theme)          | [主题风格](README.cn.md#%E4%B8%BB%E9%A2%98%E9%A3%8E%E6%A0%BC) |
-|      [trzsz ( trz / tsz )](README.en.md#support-trzsz)      | [trzsz ( trz / tsz )](README.cn.md#%E6%94%AF%E6%8C%81-trzsz)  |
-|      [zmodem ( rz / sz )](README.en.md#support-zmodem)      | [zmodem ( rz / sz )](README.cn.md#%E6%94%AF%E6%8C%81-zmodem)  |
-|           [Batch Login](README.en.md#batch-login)           | [批量登录](README.cn.md#%E6%89%B9%E9%87%8F%E7%99%BB%E5%BD%95) |
-|          [Group Labels](README.en.md#group-labels)          | [分组标签](README.cn.md#%E5%88%86%E7%BB%84%E6%A0%87%E7%AD%BE) |
-| [Automated Interaction](README.en.md#automated-interaction) | [自动交互](README.cn.md#%E8%87%AA%E5%8A%A8%E4%BA%A4%E4%BA%92) |
-|     [Remember Password](README.en.md#remember-password)     | [记住密码](README.cn.md#%E8%AE%B0%E4%BD%8F%E5%AF%86%E7%A0%81) |
-|  [Custom Configuration](README.en.md#custom-configuration)  | [个性配置](README.cn.md#%E4%B8%AA%E6%80%A7%E9%85%8D%E7%BD%AE) |
-|    [Comments of Config](README.en.md#comments-of-config)    | [配置注释](README.cn.md#%E9%85%8D%E7%BD%AE%E6%B3%A8%E9%87%8A) |
-|        [Other Features](README.en.md#other-features)        | [其他功能](README.cn.md#%E5%85%B6%E4%BB%96%E5%8A%9F%E8%83%BD) |
-|              [UDP Mode](README.en.md#udp-mode)              |        [UDP 模式](README.cn.md#udp-%E6%A8%A1%E5%BC%8F)        |
+|                           English                           |                                   中文                                   |
+| :---------------------------------------------------------: | :----------------------------------------------------------------------: |
+|          [Login Prompt](README.en.md#login-prompt)          |      [登录界面](README.cn.md#%E7%99%BB%E5%BD%95%E7%95%8C%E9%9D%A2)       |
+|          [Custom Theme](README.en.md#custom-theme)          |      [主题风格](README.cn.md#%E4%B8%BB%E9%A2%98%E9%A3%8E%E6%A0%BC)       |
+|      [trzsz ( trz / tsz )](README.en.md#support-trzsz)      |       [trzsz ( trz / tsz )](README.cn.md#%E6%94%AF%E6%8C%81-trzsz)       |
+|      [zmodem ( rz / sz )](README.en.md#support-zmodem)      |       [zmodem ( rz / sz )](README.cn.md#%E6%94%AF%E6%8C%81-zmodem)       |
+|           [Batch Login](README.en.md#batch-login)           |      [批量登录](README.cn.md#%E6%89%B9%E9%87%8F%E7%99%BB%E5%BD%95)       |
+|          [Group Labels](README.en.md#group-labels)          |      [分组标签](README.cn.md#%E5%88%86%E7%BB%84%E6%A0%87%E7%AD%BE)       |
+| [Automated Interaction](README.en.md#automated-interaction) |      [自动交互](README.cn.md#%E8%87%AA%E5%8A%A8%E4%BA%A4%E4%BA%92)       |
+|     [Remember Password](README.en.md#remember-password)     |      [记住密码](README.cn.md#%E8%AE%B0%E4%BD%8F%E5%AF%86%E7%A0%81)       |
+|  [Custom Configuration](README.en.md#custom-configuration)  |      [个性配置](README.cn.md#%E4%B8%AA%E6%80%A7%E9%85%8D%E7%BD%AE)       |
+|    [Comments of Config](README.en.md#comments-of-config)    |      [配置注释](README.cn.md#%E9%85%8D%E7%BD%AE%E6%B3%A8%E9%87%8A)       |
+| [Clipboard Integration](README.en.md#clipboard-integration) | [剪贴板集成](README.cn.md#%E5%89%AA%E8%B4%B4%E6%9D%BF%E9%9B%86%E6%88%90) |
+|        [Other Features](README.en.md#other-features)        |      [其他功能](README.cn.md#%E5%85%B6%E4%BB%96%E5%8A%9F%E8%83%BD)       |
+|              [UDP Mode](README.en.md#udp-mode)              |             [UDP 模式](README.cn.md#udp-%E6%A8%A1%E5%BC%8F)              |
 
 ## Installation
 

diff --git a/tssh/trzsz.go b/tssh/trzsz.go
@@ -113,9 +113,10 @@ func enableTrzsz(args *sshArgs, ss *sshClientSession) error {
 	disableTrzsz := strings.ToLower(getExOptionConfig(args, "EnableTrzsz")) == "no"
 	enableZmodem := args.Zmodem || strings.ToLower(getExOptionConfig(args, "EnableZmodem")) == "yes"
 	enableDragFile := args.DragFile || strings.ToLower(getExOptionConfig(args, "EnableDragFile")) == "yes"
+	enableOSC52 := strings.ToLower(getExOptionConfig(args, "EnableOSC52")) == "yes"
 
 	// disable trzsz ( trz / tsz )
-	if disableTrzsz && !enableZmodem && !enableDragFile {
+	if disableTrzsz && !enableZmodem && !enableDragFile && !enableOSC52 {
 		wrapStdIO(ss.serverIn, ss.serverOut, ss.serverErr, ss.tty)
 		onTerminalResize(func(width, height int) { _ = ss.session.WindowChange(height, width) })
 		return nil
@@ -161,6 +162,7 @@ func enableTrzsz(args *sshArgs, ss *sshClientSession) error {
 		DetectDragFile:  enableDragFile,
 		DetectTraceLog:  args.TraceLog,
 		EnableZmodem:    enableZmodem,
+		EnableOSC52:     enableOSC52,
 	})
 
 	// reset terminal size on resize