Files
pmg/sandbox/profiles
4600ab0245 fix: Sandbox policy tuning for tmp write access (#145)
* fix: Sandbox policy tuning for tmp write access

* fix: Remove numbers from test

* Update sandbox/profiles/pnpm-restrictive.yml

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>
Signed-off-by: Abhisek Datta <abhisek.datta@gmail.com>

* fix: Sandbox E2E test to consider Linux bubblewrap tmpfs mount

* Update sandbox/profiles/pnpm-restrictive.yml

Co-authored-by: Sahil Bansal <bansalsahil315@gmail.com>
Signed-off-by: Abhisek Datta <abhisek.datta@gmail.com>

* fix: Migrate deny rules from pnpm to npm policy

---------

Signed-off-by: Abhisek Datta <abhisek.datta@gmail.com>
Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>
Co-authored-by: Sahil Bansal <bansalsahil315@gmail.com>
2026-02-01 15:20:17 +05:30
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PMG Sandbox Profiles

This directory contains built-in sandbox policies for PMG package managers.

Available Profiles

npm-restrictive

Restrictive policy for the npm ecosystem (npm, pnpm, yarn, bun).

pypi-restrictive

Restrictive policy for the PyPI ecosystem (pip, pip3, poetry, uv).

Custom Policies

You can create custom sandbox policies by:

  1. Copying one of the built-in profiles
  2. Modifying the rules to suit your needs
  3. Referencing the custom profile in your PMG config:
sandbox:
  enabled: true
  policies:
    npm:
      enabled: true
      profile: /path/to/custom-npm-policy.yml

Policy Schema

See the Policy Schema Documentation for details on the YAML structure.

Supported Variables

  • ${HOME}: User home directory
  • ${CWD}: Current working directory
  • ${TMPDIR}: Temporary directory

Policy Enforcement

All policy violations will block execution. This provides defense-in-depth protection against malicious install scripts and supply chain attacks.