Files
RuView/firmware
Mathew Beaneandclaude-flow d78a221607 feat(provision): read the WiFi password from a file or a prompt
--password puts the WiFi password in argv, where ps and shell history can
see it (#1754). This adds two ways to give it without that:

- --password-file PATH reads it from a file, dropping one trailing newline
  (\n or \r\n). The file must exist and not be empty. If group or others can
  read it, the script refuses and suggests chmod 600.
  --allow-insecure-password-file accepts such a file with a warning, for
  read-only mounts such as 0444 secrets.
- When --ssid is given with no password flag and stdin is a terminal, the
  script asks with getpass. It reuses a saved password only if it was saved
  for the same SSID. Without a terminal (scripts, CI) nothing is asked and
  the existing missing-credentials check applies.

--password still works, but now prints a one-line warning on stderr that
points at --password-file. The two flags are mutually exclusive. The
firmware README examples now use --password-file.

Tests: 10 new tests in tests/test_provision_secrets.py, with placeholder
credentials and getpass and the flasher stubbed. 8 fail on the previous
commit; the other 2 check that nothing is asked without a terminal or when a
saved password matches the SSID. The suite goes from 25 to 35 passing.

Refs #1754

Co-Authored-By: claude-flow <ruv@ruv.net>
2026-10-04 16:50:43 -04:00
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