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v0.7.1: allow network inside the run_shell sandbox

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Landlock no longer handles TCP, the Seatbelt profile drops (deny network*),
and the seccomp filter stops refusing IPv4/IPv6 sockets. Sandboxed commands
run without asking in auto mode on every backend (Low-IL no longer asks for
network commands), and connection errors are not treated as sandbox blocks.
This commit is contained in:
WHC
2026-10-08 21:05:14 +08:00
parent 895b47274c
commit 32b4afd772
8 changed files with 36 additions and 62 deletions
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docs/compat.md
+6 -5
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@@ -42,13 +42,14 @@ the `HAVE_MACOS_RUNNER` variable) or by hand with the checklist below.
In the default `auto` approval mode, `run_shell` runs inside an OS sandbox
when one is available. Commands may read and execute anything but may only
write beneath the workspace, the temp directory, `/dev/null` and `/dev/tty`.
The network is not restricted.
| Platform | Sandbox | Notes |
|---|---|---|
| Linux 5.13+ | Landlock (raw syscalls, no extra library) | ABI ≥ 4 (6.7+) also blocks TCP connect/bind |
| Linux 5.5+ without Landlock (Android / Termux, WSL, older distros), x86_64 / aarch64 | seccomp user-notify | refuses IPv4/IPv6 sockets; see below |
| macOS | `sandbox_init` profile | also denies network |
| Windows 10 1903+ | Low integrity restricted token + Job Object | writes need a Low label (given to the workspace once); network is not blocked, so network commands still ask; see `README-windows.md` |
| Linux 5.13+ | Landlock (raw syscalls, no extra library) | |
| Linux 5.5+ without Landlock (Android / Termux, WSL, older distros), x86_64 / aarch64 | seccomp user-notify | see below |
| macOS | `sandbox_init` profile | |
| Windows 10 1903+ | Low integrity restricted token + Job Object | writes need a Low label (given to the workspace once); see `README-windows.md` |
| Older kernels | none | falls back to the read-only rules |
The status bar and sidebar show `auto · landlock`, `auto · seccomp`,
@@ -165,7 +166,7 @@ Chinese VMs as Administrator, a standard user and a Chinese user name):
keep CRLF and BOM; `run_shell` output in Chinese is readable on a
936 system
- [ ] `auto · lowil`: first command reports the label; `echo x > C:\outside`
asks to rerun; `curl ...` asks before running; `/sandbox reset-labels`
asks to rerun; `curl ...` runs without asking; `/sandbox reset-labels`
restores the label
- [ ] Esc during `sleep 30 & sleep 30` returns at once and leaves no
`busybox.exe` behind