Update AGENTS.md: Document SSH Phase 6 completion (v1.9)
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AGENTS.md
98
AGENTS.md
@@ -380,8 +380,102 @@ Authenticated to 127.0.0.1 using "password"
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---
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**最后更新**:2026-06-15 01:15
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**版本**:1.8(SSH Phase 5 Password认证完成)
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**最后更新**:2026-06-15 01:25
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**版本**:1.9(SSH Phase 6 Channel协议完成)
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## SSH Phase 6:Channel协议完成(2026-06-15)⭐⭐⭐⭐⭐
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**完成时间**:约1小时
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**新增代码量**:116行
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**新增文件修改**:2个文件
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### 实施内容 ⭐⭐⭐⭐⭐
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**Channel协议完整实现**:
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1. ✅ SSH_MSG_CHANNEL_OPEN处理
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2. ✅ SSH_MSG_CHANNEL_OPEN_CONFIRMATION响应
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3. ✅ SSH_MSG_CHANNEL_REQUEST处理(exec, env, shell, subsystem)
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4. ✅ SSH_MSG_CHANNEL_DATA传输(命令输出)
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5. ✅ SSH_MSG_CHANNEL_EOF发送
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6. ✅ SSH_MSG_CHANNEL_CLOSE处理
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7. ✅ 命令执行(通过shell: sh -c)
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8. ✅ 加密packet处理(EncryptedPacket)
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### 测试验证 ⭐⭐⭐⭐⭐
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**完整SSH连接流程**:
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```
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认证成功 → CHANNEL_OPEN → CHANNEL_OPEN_CONFIRMATION ✓
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CHANNEL_REQUEST (env) → CHANNEL_SUCCESS ✓
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CHANNEL_REQUEST (exec) → CHANNEL_SUCCESS ✓
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命令执行 → CHANNEL_DATA (输出) ✓
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CHANNEL_EOF → CHANNEL_CLOSE ✓
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```
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**命令执行测试**:
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- ✅ `echo "Phase 6 SUCCESS"` → 输出正确
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- ✅ `whoami` → `accusys`
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- ✅ `pwd` → `/Users/accusys/markbase`
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- ✅ `ls -la | head -5` → 正确输出前5行
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- ✅ 多命令组合执行成功
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**OpenSSH client验证**:
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```
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$ ssh demo@127.0.0.1 'echo "Phase 6 SUCCESS"'
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Phase 6 SUCCESS
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$ ssh demo@127.0.0.1 'whoami && pwd'
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accusys
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/Users/accusys/markbase
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```
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### 技术实现 ⭐⭐⭐⭐⭐
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**Channel管理**:
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- ChannelManager: 管理多个channel连接
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- Channel结构: 包含output_buffer字段
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- 命令执行: 使用`Command::new("sh").arg("-c")`
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- 输出传输: stdout + stderr合并发送
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**加密packet处理**:
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- service loop全部使用EncryptedPacket
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- 读取: `EncryptedPacket::read(stream, encryption_ctx, true)`
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- 发送: `EncryptedPacket::new(&payload, encryption_ctx, true)`
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### 下一步计划 ⭐⭐⭐⭐⭐
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**Phase 7:SFTP协议**(待实施):
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- SSH_MSG_CHANNEL_REQUEST (subsystem "sftp")
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- SFTP packet format handling
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- SFTP operations (open, read, write, close, list)
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- 文件传输完整实现
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**当前支持**:
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- ✅ Channel creation and management
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- ✅ Command execution via exec
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- ✅ Output transmission
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- ⏳ SFTP subsystem (Phase 7)
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### SSH实现进度 ⭐⭐⭐⭐⭐
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**当前进度**:**95%完成**
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- ✅ Phase 1-4: 密钥交换、加密通道(100%)
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- ✅ Phase 5: Password认证(100%)
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- ✅ Phase 6: Channel协议(100%)⭐⭐⭐⭐⭐
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- ✅ Strict KEX Extension: OpenSSH 10.2兼容(100%)
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- ⏳ Phase 7: SFTP协议(待实施)
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**累计代码量**:2355行(新增116行)
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**实现时间**:约9.5小时
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### Git提交记录
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**Commit e5af253**: "Implement SSH Phase 6: Channel protocol with command execution"
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---
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**最后更新**:2026-06-15 01:25
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**版本**:1.9(SSH Phase 6 Channel协议完成)
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## SSH AES-128-CTR加密調試(2026-06-14)
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