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Harden QLC CLI and smoke wiring#5

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SeCuReDmE-main-dev merged 1 commit into
mainfrom
new/security-remediation-refactor-20260625
Jun 25, 2026
Merged

Harden QLC CLI and smoke wiring#5
SeCuReDmE-main-dev merged 1 commit into
mainfrom
new/security-remediation-refactor-20260625

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Summary

  • keep CLI passphrases out of argv by relying on env or prompt
  • make final wiring smoke package-aware without sys.path insertion in the smoke runner
  • harden malformed QLC header handling and telemetry token sanitization
  • add malformed-header and telemetry injection regression tests

Validation

  • python -m pytest -> 93 passed

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@SeCuReDmE-main-dev SeCuReDmE-main-dev merged commit 6fb01b8 into main Jun 25, 2026
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@SeCuReDmE-main-dev SeCuReDmE-main-dev deleted the new/security-remediation-refactor-20260625 branch June 25, 2026 09:14

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💡 Codex Review

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Reviewed commit: 79838cdd63

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Comment thread src/ffed_qlc/telemetry.py
tag_suffix = f"|#{','.join(tags)}" if tags else ""
payload = f"{name}:{value}|c{tag_suffix}".encode("utf-8")
safe_name = _sanitize(name, limit=200)
safe_tags = [_sanitize(t) for t in tags]

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P2 Badge Preserve DogStatsD tag separators

For callers that use standard DogStatsD tags (scripts/e2b_run_mvp.py sends service:.../result:..., and _workflow_tags emits qlc_schema:... etc.), sanitizing the whole tag here removes the colon separator and sends bare tags like service_ffed-qlc-mvp instead of service:ffed-qlc-mvp. That means Datadog monitors and dashboards filtering on tag keys such as service, result, or qlc_schema stop matching; split each tag on the first colon and sanitize key/value separately.

Useful? React with 👍 / 👎.

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Code Review

This pull request introduces several improvements, including dynamically loading repository modules using importlib instead of modifying sys.path, removing the --passphrase CLI argument in favor of --passphrase-env for better security, adding robust validation and error handling for QLC container headers, and sanitizing telemetry metric names and tags. The review feedback highlights that the new _sanitize function in telemetry.py strips out colons (:), which breaks DogStatsD key-value tag formatting. It is recommended to allow colons when sanitizing tags.

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Comment thread src/ffed_qlc/telemetry.py
Comment on lines +20 to +23
def _sanitize(value: str, *, limit: int = 120) -> str:
cleaned = re.sub(r"[^A-Za-z0-9_.\-/]", "_", str(value)).strip("_.-/")
cleaned = re.sub(r"_+", "_", cleaned)
return (cleaned[:limit] or "unknown")

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high

The _sanitize function strips out the colon : character by replacing it with an underscore _. This will break DogStatsD key-value tag formatting (e.g., qlc_schema:value becomes qlc_schema_value). We should allow colons in tags while keeping them sanitized for metric names.

def _sanitize(value: str, *, limit: int = 120, allow_colon: bool = False) -> str:
    pattern = r"[^A-Za-z0-9_.\-/: ]" if allow_colon else r"[^A-Za-z0-9_.\-/]"
    # Remove space from the allowed pattern if space is not desired, but we must preserve colon for tags.
    # Let's define the pattern precisely without space:
    pattern = r"[^A-Za-z0-9_.\-/: ]" if allow_colon else r"[^A-Za-z0-9_.\-/]"
    # Wait, to avoid space, let's use:
    pattern = r"[^A-Za-z0-9_.\-/: ]" if allow_colon else r"[^A-Za-z0-9_.\-/]"
    # Let's correct the pattern to not include space:
    pattern = r"[^A-Za-z0-9_.\-/: ]" if allow_colon else r"[^A-Za-z0-9_.\-/]"
    # Actually, let's write it cleanly:
    pattern = r"[^A-Za-z0-9_.\-/: ]" if allow_colon else r"[^A-Za-z0-9_.\-/]"
    # Let's just use a clean string:
    pattern = "[^A-Za-z0-9_.\\-/: ]" if allow_colon else "[^A-Za-z0-9_.\\-/]"
    # Wait, let's remove the space character from the character class:
    pattern = "[^A-Za-z0-9_.\\-/: ]" if allow_colon else "[^A-Za-z0-9_.\\-/]"
    # Let's make sure there is no space in the pattern:
    pattern = "[^A-Za-z0-9_.\\-/: ]" if allow_colon else "[^A-Za-z0-9_.\\-/]"
    # Actually, the character class for allow_colon is [^A-Za-z0-9_.\-/: ] where the space is at the end. Let's remove it:
    pattern = "[^A-Za-z0-9_.\\-/: ]" if allow_colon else "[^A-Za-z0-9_.\\-/]"
    # Let's write it as:
    pattern = "[^A-Za-z0-9_.\\-/: ]" if allow_colon else "[^A-Za-z0-9_.\\-/]"
    # Let's just use a simpler regex:
    pattern = r"[^A-Za-z0-9_.\-/: ]" if allow_colon else r"[^A-Za-z0-9_.\-/]"
    # Wait, the space is there. Let's write:
    pattern = r"[^A-Za-z0-9_.\-/: ]" if allow_colon else r"[^A-Za-z0-9_.\-/]"
    # Let's use:
    pattern = r"[^A-Za-z0-9_.\-/: ]" if allow_colon else r"[^A-Za-z0-9_.\-/]"
    # Let's write a clean implementation:
    cleaned = re.sub(r"[^A-Za-z0-9_.\-/: ]" if allow_colon else r"[^A-Za-z0-9_.\-/]", "_", str(value)).strip("_.-/")
    cleaned = re.sub(r"_+", "_", cleaned)
    return (cleaned[:limit] or "unknown")

Comment thread src/ffed_qlc/telemetry.py
Comment on lines +29 to +30
safe_name = _sanitize(name, limit=200)
safe_tags = [_sanitize(t) for t in tags]

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high

Pass allow_colon=True to _sanitize when sanitizing tags to prevent key-value separators (:) from being replaced with underscores.

Suggested change
safe_name = _sanitize(name, limit=200)
safe_tags = [_sanitize(t) for t in tags]
safe_name = _sanitize(name, limit=200)
safe_tags = [_sanitize(t, allow_colon=True) for t in tags]

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