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@gpzhang2001/sharpkit-shell

v0.2.2

Published

exec_command / write_stdin model-facing shell tools over the sharpkit sandbox

Readme

@gpzhang2001/sharpkit-shell

exec_command / write_stdin:沙箱内命令执行与 PTY 交互(对齐原版 Shell 工具语义)。

工具

exec_command(inject: ['tools', 'pentestSandbox'])

  • cmd 必填;cwd 必须在 workspace 内(strix 精确错误文案);tty、timeout_ms(钳制到 [1, maxTimeoutMs])、run_in_background(Config 门控)
  • 默认路径:fresh 非交互 bash -lc,超时竞速终止,尊重 exec.signal(协作式取消)
  • tty=true:启动 PTY 返回 process_id,交给 write_stdin 驱动(Ctrl-C 写 \x03)
  • run_in_background=true:ctx.jobs.start(kind pentest-exec,JobKindMap 扩展),readOutput 增量、cancel→terminate 且 done 映射 killed;免费获得 job_output/job_list/job_kill

write_stdin

  • 仅对运行中的 PTY 进程有效;未知/已退出 → strix 精确错误文案
  • chars="" 非阻塞轮询新输出;转义解码(\n \t \r \0 \a \b \v \f \\、\xNN、\uXXXX)逐字移植 _decode_chars_escape

横切

  • 审批门:tools/pre-execute 对 exec_command 返回 ask(Config requireApproval 默认 true;无审批服务的组合会 fail-closed 拒绝)
  • 会话:ctx.pentestSandbox.createSession({scanId}) create_or_reuse——编排方用真实 scanId 预建会话即可共享

Config

scanId(默认 pentest)、sources、requireApproval、enableRunInBackground、defaultTimeoutMs(120s)、maxTimeoutMs(600s,工具声明 deadline)、workspaceRoot。

测试

  • tests/shell.test.ts:纯函数(转义/workdir/钳制)+ fake sandbox 全路径(含审批 ask 决策)
  • tests/integration.test.ts:真实 sandbox + 真实 jobs(docker 门控):前台/PTY/后台 job 增量输出与 kill