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- scripts/image_runtime.py: Node / Python Brotli / brotlicffi / apk / dpkg read from an image's registry config and layers (no pull; HEAD for the nightly digest; zstd via the zstd program where present; quay.io, index.docker.io). - security_watch.py: a „runtime" source (security_watch_runtimes.json), cached by digest in state.json (154 images, filled on DooPlex tonight); ghcr.io tag lists are paged; the DooPlex group (own block, homelab next-step). - dooplex_inventory.py + documentation/security-watch/dooplex-workloads.txt (89 images, homelab-manifests 5aeec8d). - Tests W10–W12 (58 checks) + test_image_runtime.py (13), each red-proved. - audits/http2shell-2026-10-27: the Home Assistant lane walk (proven), HOMELAB-LIST.md (19 to update), the run log. - 08 §11 design line; 09 §3 decision 276 (HA monthly = same main version; decided by CC unattended).
913 lines
47 KiB
Python
913 lines
47 KiB
Python
#!/usr/bin/env python3
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"""security_watch.py — the nightly watch for security notices on everything Felhom ships (R-1303).
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WHY. Cloudflare's eMudhra notice (R-1300) reached us by mail; our own check (check-infra-pins.py, monthly, by hand) would
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have said only „a newer version exists", up to four weeks late. This job reads, every night, the places each program
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publishes its security notices, and sorts every pin into exactly one class:
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ADVISORY a notice affects the version we pin (with the fixed version when the notice gives one)
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NOT CHECKED a source this pin needs failed tonight — printed and counted, never a silent pass
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GAP the pin has no machine-readable source (a stated `gap:` line); BEHIND is still shown
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FLOATING the tag names no exact version (`redis:7-alpine`), so no range can be matched; BEHIND still shown
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BEHIND a newer version exists in the same channel, and no notice
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CURRENT none of the above
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WHAT IT READS (the spike that chose these: documentation/audits/security-watch-2026-10-26/SPIKE.md):
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github:O/R GitHub's per-repo security advisories (API; GH_ADVISORY_TOKEN when present) + the release feed
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(github.com/O/R/releases.atom — no API quota) for notes newer than our pin that name a CVE/GHSA/
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vulnerability/security fix
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advisories:O/R the per-repo advisories of ANOTHER repo (Nextcloud)
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osv:Go/stdlib OSV.dev for our Go builder version
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feed:NAME a vendor feed (FEEDS below): an item in the last 30 days naming the program and a security word
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vulnnotes:NAME a vendor release-notes file whose security lines carry a marker (VULNNOTES below)
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registry tags Docker Hub / ghcr.io / lscr.io, for BEHIND (same channel = same tag shape, same major)
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runtime the image ITSELF (R-1327): Node.js and Python Brotli/brotlicffi inside it, from its registry config
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and, where needed, its layers (image_runtime.py), matched against security_watch_runtimes.json —
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a bug in the runtime under an app (HTTP2Shell, CVE-2026-111497) never reaches the app's own notices.
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Cached by image digest in the state file (`runtime_cache`), so a night reads only changed images.
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The list of pins: security_watch_inventory.py (ONE reader, shared with the catalog's and the controller's gates).
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MAILS (operator only, admin@felhom.eu, the CI's Resend path — no household ever gets one):
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* ADVISORY: one mail that night with every NEW advisory (and a reminder for each still open after 7 days);
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subject „[Felhom security] <programs, box first> …"; each entry says what, our version, the fixed version, the
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severity, the link, and „Next: the security-fix lane (B23)".
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* BEHIND: one summary on Monday (or when the last one is older than 8 days), box programs first, then apps; GAP,
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FLOATING and tonight's NOT CHECKED are listed in it too.
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* NOT CHECKED: when the same source failed two nights in a row — once per streak.
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MEMORY: a JSON state file (`--state`), committed back to felhom.eu by the CI job (documentation/security-watch/
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state.json; the reasons in the workflow). A missing state file means: seed (record tonight's advisories as known,
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mail nothing new) AND send one mail saying the memory was missing, with the open list — never a silent re-seed.
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USAGE
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python3 scripts/security_watch.py --state=<file> [--catalog=<dir>] [--controller=<dir>] [--seed] [--no-mail] [--no-runtime]
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[--test-mail] [--today=YYYY-MM-DD] [--json=<results file>]
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Exit: 0 the run finished (whatever it found) · 1 a mail could not be sent · 2 the list of pins is unreadable.
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"""
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import concurrent.futures
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import datetime
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import email.utils
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import html
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import json
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import os
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import re
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import sys
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import urllib.error
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import urllib.request
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import zlib
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sys.path.insert(0, os.path.dirname(os.path.abspath(__file__)))
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import security_watch_inventory as inv # noqa: E402
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import image_runtime # noqa: E402
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UA = "felhom-security-watch/1.0 (+https://felhom.eu)"
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MAIL_TO = "admin@felhom.eu"
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MAIL_FROM = "Felhom security watch <monitoring@felhom.eu>"
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REMIND_DAYS = 7
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FEED_DAYS = 30
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FEEDS = {
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# The only automated way to Cloudflare's eMudhra notice (SPIKE.md, P1): the blog carries full text.
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"cloudflare-blog": {"url": "https://blog.cloudflare.com/rss/", "keywords": ("cloudflared",)},
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}
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VULNNOTES = {
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# Cloudflare marks security fixes in cloudflared's notes with VULN-<n> (2026.10.0, 2026.10.4).
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"cloudflared": {"url": "https://raw.githubusercontent.com/cloudflare/cloudflared/master/RELEASE_NOTES",
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"marker": "VULN-"},
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}
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STRONG = re.compile(r"\bCVE-\d{4}-\d{3,}|\bGHSA(?:-[0-9a-z]{4}){3}\b|vulnerab|security (?:fix|issue|update|release|"
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r"advisory|patch|vulnerability)|\[security\]", re.I)
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FEED_WORDS = re.compile(r"vulnerab|compromis|\bCVE-\d{4}|security (?:update|fix|advisory|issue|notice)|exploit", re.I)
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class SourceError(Exception):
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pass
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# ── network (the tests replace Net) ──────────────────────────────────────────────────────────────────────────────────
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class Net:
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def __init__(self, gh_token=""):
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self.gh_token = gh_token
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self.requests = {}
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def _count(self, url):
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host = url.split("/")[2]
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self.requests[host] = self.requests.get(host, 0) + 1
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def get(self, url, headers=None, timeout=30):
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self._count(url)
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h = {"User-Agent": UA}
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h.update(headers or {})
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try:
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with urllib.request.urlopen(urllib.request.Request(url, headers=h), timeout=timeout) as r:
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return r.status, dict(r.headers), r.read()
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except urllib.error.HTTPError as e:
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return e.code, dict(e.headers or {}), e.read() if hasattr(e, "read") else b""
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except Exception as e: # noqa: BLE001 — every transport failure is a NOT CHECKED, named
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raise SourceError("%s: %s" % (url.split("?")[0], e))
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def post_json(self, url, body, timeout=30):
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self._count(url)
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req = urllib.request.Request(url, data=json.dumps(body).encode(), method="POST",
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headers={"User-Agent": UA, "Content-Type": "application/json"})
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try:
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with urllib.request.urlopen(req, timeout=timeout) as r:
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return json.load(r)
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except Exception as e: # noqa: BLE001
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raise SourceError("%s: %s" % (url, e))
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# ── versions ─────────────────────────────────────────────────────────────────────────────────────────────────────────
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def version_of(tag):
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m = re.match(r"^v?(\d+(?:\.\d+)*)", tag or "")
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return tuple(int(x) for x in m.group(1).split(".")) if m else None
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def vcmp(a, b):
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n = max(len(a), len(b))
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a, b = a + (0,) * (n - len(a)), b + (0,) * (n - len(b))
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return (a > b) - (a < b)
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PRERELEASE = re.compile(r"(?:alpha|beta|rc|dev|nightly|preview|pre|ea)[.\d-]*$|-(?:a|b)\d", re.I)
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def is_floating(tag):
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"""A tag with fewer than three numbers (`redis:7.4-alpine`, `postgres:16-…`) takes the line's newest at install —
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there is no exact version to match a notice's range against."""
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v = version_of(tag)
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return v is None or len(v) < 3
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def same_channel(ours, other):
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"""Same major — except calendar versions (cloudflared 2026.x), whose first number is a year."""
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return ours[0] >= 1000 or ours[0] == other[0]
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def range_affects(rng, ours, package=""):
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"""GHSA's free-text range ('>= v3.0.0, <= v3.7.15', '≤ 1.36.0', 'v3.2.2', 'server <= 3.0.3') -> True/False/None.
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A clause of ONLY lower bounds with more than one of them is Nextcloud's per-branch shape ('>= 32.0.0, >= 33.0.0')
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and reads as OR; every other clause is AND. A bare version means 'up to and including'."""
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if rng is None:
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return None
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pm = re.search(r"/v(\d+)$", package or "")
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if pm and int(pm.group(1)) > 1 and int(pm.group(1)) != ours[0]:
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return False
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rng = rng.replace("≤", "<=").replace("≥", ">=").replace("＝", "=")
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any_clause = False
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for clause in rng.split("||"):
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cons = re.findall(r"(<=|>=|==|<|>|=)?\s*v?(\d+(?:\.\d+)+|\d+)(?![\d.])", clause)
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cons = [(op, v) for op, v in cons if op or "." in v]
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if not cons:
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continue
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any_clause = True
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res = []
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for op, v in cons:
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c = vcmp(ours, tuple(int(x) for x in v.split(".")))
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res.append({"<=": c <= 0, ">=": c >= 0, "<": c < 0, ">": c > 0, "=": c == 0, "==": c == 0, "": c <= 0}[op])
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lower_only = len(cons) > 1 and all(op in (">=", ">") for op, _ in cons)
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if (any(res) if lower_only else all(res)):
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return True
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return False if any_clause else None
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def patched_for(text, ours):
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"""The fixed version that applies to OUR branch: the lowest named on our major; else the lowest named above us."""
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vs = [tuple(int(x) for x in v.split(".")) for v in re.findall(r"v?(\d+(?:\.\d+)+)", text or "")]
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if not vs:
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return None
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same = [v for v in vs if v[0] == ours[0]]
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if same:
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return min(same)
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if all(v[0] < ours[0] for v in vs) and ours[0] < 1000:
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return max(vs) # every fix is on an older branch: ours is past all of them
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return min(vs)
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# A repo whose advisory list covers more than the program we run: only these package names count.
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PACKAGE_ONLY = {"nextcloud/security-advisories": re.compile(r"^server$", re.I)}
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def ghsa_affects(adv, ours, repo=""):
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"""-> (affected True/False/None, fixed text). None = the range is unreadable (listed, never dropped)."""
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verdicts, fixed = [], []
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only = PACKAGE_ONLY.get(repo)
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for vul in adv.get("vulnerabilities") or []:
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pkg = (vul.get("package") or {}).get("name") or ""
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if only and not only.search(pkg.strip()):
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continue
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# A GitHub Actions advisory is about the project's own CI workflow, never the image we run (R-1310: Home
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# Assistant's GHSA-jff5, 2023). Pinned: test W9.
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if ((vul.get("package") or {}).get("ecosystem") or "").lower() == "actions":
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verdicts.append(False)
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continue
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r = range_affects(vul.get("vulnerable_version_range"), ours, pkg)
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p = patched_for(vul.get("patched_versions"), ours)
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if p is not None and vcmp(ours, p) >= 0 and r is not False:
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r = False
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elif r is None and p is not None:
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r = vcmp(ours, p) < 0
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verdicts.append(r)
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if r:
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pv = (vul.get("patched_versions") or "").strip()
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if not pv or pv.lower() in ("none", "tbd", "n/a"):
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# An empty fix with a range that ENDS at a version means „fixed after it" (R-1310: Vikunja's six,
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# `>= 2.3.0, <= 2.6.0`, were fixed in 2.7.0 and read „no fix"). Pinned: test W9.
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end = re.search(r"<=?\s*v?(\d+(?:\.\d+)+)\s*$", vul.get("vulnerable_version_range") or "")
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pv = ("a version after %s (the notice names none)" % end.group(1)) if end else "no fixed version named yet"
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fixed.append(pv)
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if any(v is True for v in verdicts):
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return True, ", ".join(sorted(set(fixed)))
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if not verdicts or all(v is False for v in verdicts):
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return False if verdicts else (None if not only else False), "" if verdicts else "the notice names no version range"
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return None, "the range is unreadable — check by hand"
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# ── sources ──────────────────────────────────────────────────────────────────────────────────────────────────────────
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RUNTIME_TABLE = json.load(open(os.path.join(os.path.dirname(os.path.abspath(__file__)), "security_watch_runtimes.json"),
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encoding="utf-8"))["rows"]
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def _vt(v):
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return tuple(int(x) for x in re.findall(r"\d+", re.split(r"[-+~]", v or "", maxsplit=1)[0]))
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def runtime_part(res, part):
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if ":" in part:
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db, name = part.split(":", 1)
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return (res.get(db) or {}).get(name)
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return res.get(part)
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def runtime_advisories(res, group):
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"""The runtime table's verdicts for one image read (image_runtime.read_image's dict). Pure."""
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out = []
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for row in RUNTIME_TABLE:
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if row.get("groups") and group not in row["groups"]:
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continue
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ver = runtime_part(res, row["part"])
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if not ver:
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continue
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v = _vt(ver)
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if not v or v < _vt(row.get("from", "0")):
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continue
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n = row.get("line_parts", 1)
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line = ".".join(str(x) for x in v[:n])
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lines = sorted(row["fixed"], key=_vt)
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fixed = row["fixed"].get(line)
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if fixed:
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if v >= _vt(fixed):
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continue
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why, fx = "", fixed
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elif _vt(line) > _vt(lines[-1]):
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continue # newer than the notice's lines
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else:
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why, fx = " — no fixed release on the %s line (end of life): move to a supported line" % line, \
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", ".join(row["fixed"][k] for k in lines)
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out.append({"id": row["id"], "source": "runtime", "severity": row.get("severity", ""),
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"summary": "%s %s inside the image: %s%s" % (row["label"], ver, row["summary"], why),
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"fixed": fx, "link": row.get("link", ""), "unsure": False, "published": row.get("published", "")})
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return out
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def cached_runtime_reader(cache, resolve=None, read=None):
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"""A reader for run(): resolves the image's digest (cheap), answers from `cache` when known, else reads it and
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caches a COMPLETE result only (an unchecked one is tried again the next night). `cache` lives in the state file."""
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resolve = resolve or image_runtime.resolve_digest
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read = read or image_runtime.read_image
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def reader(ref):
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try:
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digest = resolve(ref)
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except image_runtime.Unreadable as e:
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return {"ref": ref, "unchecked": [str(e)]}
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except Exception as e: # noqa: BLE001 — a network error is a NOT CHECKED, never a crash of the whole watch
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return {"ref": ref, "unchecked": ["%s: %s" % (type(e).__name__, str(e)[:120])]}
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if digest and digest in cache:
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hit = dict(cache[digest], ref=ref)
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hit["_used"] = True
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cache[digest]["_seen"] = True
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return hit
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res = read(ref)
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if digest and not res.get("unchecked"):
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cache[digest] = {k: v for k, v in res.items() if k != "ref"}
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cache[digest]["_seen"] = True
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return res
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return reader
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class Sources:
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def __init__(self, net, today, rotate):
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self.net, self.today, self.rotate = net, today, rotate
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self._adv, self._rel, self._feed, self._notes, self._osv, self._tags = {}, {}, {}, {}, {}, {}
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self.rate_limited = False
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def gh_advisories(self, repo):
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if repo in self._adv:
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return self._adv[repo]
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out = []
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if self.rate_limited:
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raise SourceError("GitHub API rate limit reached earlier tonight")
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url = "https://api.github.com/repos/%s/security-advisories?per_page=100&state=published" % repo
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headers = {"Accept": "application/vnd.github+json"}
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if self.net.gh_token:
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headers["Authorization"] = "Bearer %s" % self.net.gh_token
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for _ in range(5):
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st, h, body = self.net.get(url, headers)
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if st in (403, 429) and str(h.get("X-RateLimit-Remaining", h.get("x-ratelimit-remaining", ""))) == "0":
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self.rate_limited = True
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raise SourceError("GitHub API rate limit (%s)" % st)
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if st != 200:
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raise SourceError("GitHub advisories for %s: HTTP %s" % (repo, st))
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out += json.loads(body or b"[]")
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m = re.search(r'<([^>]+)>;\s*rel="next"', h.get("Link", h.get("link", "")) or "")
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if not m:
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break
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url = m.group(1)
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self._adv[repo] = out
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return out
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def release_feed(self, repo):
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if repo in self._rel:
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return self._rel[repo]
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st, _h, body = self.net.get("https://github.com/%s/releases.atom" % repo)
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if st != 200:
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raise SourceError("release feed of %s: HTTP %s" % (repo, st))
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text = body.decode("utf-8", "replace")
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entries = []
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for e in re.findall(r"<entry>(.*?)</entry>", text, re.S):
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link = re.search(r'<link[^>]*href="([^"]+)"', e)
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tag = link.group(1).rsplit("/", 1)[-1] if link else ""
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title = html.unescape(re.sub(r"<[^>]+>", "", (re.search(r"<title>(.*?)</title>", e, re.S) or [""] * 2)[1]))
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content = html.unescape(html.unescape((re.search(r"<content[^>]*>(.*?)</content>", e, re.S) or [""] * 2)[1]))
|
||
content = re.sub(r"<[^>]+>", " ", content)
|
||
entries.append({"tag": tag, "title": title.strip(), "content": content,
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"link": link.group(1) if link else "https://github.com/%s/releases" % repo})
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self._rel[repo] = entries
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return entries
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||
|
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def feed(self, name):
|
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if name in self._feed:
|
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return self._feed[name]
|
||
st, _h, body = self.net.get(FEEDS[name]["url"])
|
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if st != 200:
|
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raise SourceError("feed %s: HTTP %s" % (name, st))
|
||
text = body.decode("utf-8", "replace")
|
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items = []
|
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for it in re.findall(r"<item>(.*?)</item>", text, re.S):
|
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def tag(t):
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m = re.search(r"<%s[^>]*>(.*?)</%s>" % (t, t), it, re.S)
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return html.unescape(re.sub(r"<!\[CDATA\[|\]\]>", "", m.group(1))) if m else ""
|
||
items.append({"title": tag("title").strip(), "link": tag("link").strip(),
|
||
"guid": tag("guid").strip() or tag("link").strip(), "date": tag("pubDate").strip(),
|
||
"text": tag("title") + " " + tag("description") + " " + tag("content:encoded")})
|
||
self._feed[name] = items
|
||
return items
|
||
|
||
def vulnnotes(self, name):
|
||
if name in self._notes:
|
||
return self._notes[name]
|
||
st, _h, body = self.net.get(VULNNOTES[name]["url"])
|
||
if st != 200:
|
||
raise SourceError("release notes %s: HTTP %s" % (name, st))
|
||
secs, cur = {}, None
|
||
for line in body.decode("utf-8", "replace").splitlines():
|
||
if re.match(r"^\d+(?:\.\d+)+\s*$", line):
|
||
cur = line.strip()
|
||
secs[cur] = []
|
||
elif cur and line.strip():
|
||
secs[cur].append(line.strip())
|
||
self._notes[name] = secs
|
||
return secs
|
||
|
||
def osv(self, eco_name, version):
|
||
key = (eco_name, version)
|
||
if key in self._osv:
|
||
return self._osv[key]
|
||
eco, name = eco_name.split("/", 1)
|
||
d = self.net.post_json("https://api.osv.dev/v1/query",
|
||
{"package": {"ecosystem": eco, "name": name}, "version": version})
|
||
self._osv[key] = d.get("vulns", [])
|
||
return self._osv[key]
|
||
|
||
def _registry_tags(self, path):
|
||
st, _h, body = self.net.get("https://auth.docker.io/token?service=registry.docker.io&scope=repository:%s:pull" % path)
|
||
if st != 200:
|
||
raise SourceError("Docker registry token for %s: HTTP %s" % (path, st))
|
||
tok = json.loads(body).get("token", "")
|
||
st, _h, body = self.net.get("https://registry-1.docker.io/v2/%s/tags/list?n=10000" % path,
|
||
{"Authorization": "Bearer %s" % tok})
|
||
if st != 200:
|
||
raise SourceError("Docker registry tags of %s: HTTP %s" % (path, st))
|
||
return json.loads(body).get("tags") or []
|
||
|
||
def tags(self, image):
|
||
if image in self._tags:
|
||
return self._tags[image]
|
||
reg, path = registry_of(image)
|
||
names = []
|
||
if reg == "docker.io":
|
||
url = "https://hub.docker.com/v2/repositories/%s/tags?page_size=100&ordering=last_updated" % path
|
||
for _ in range(3):
|
||
st, _h, body = self.net.get(url)
|
||
if st == 404 and not names:
|
||
names = self._registry_tags(path) # the web API misses some repos the registry serves (plant-it)
|
||
break
|
||
if st != 200:
|
||
raise SourceError("Docker Hub tags of %s: HTTP %s" % (path, st))
|
||
d = json.loads(body)
|
||
names += [t["name"] for t in d.get("results", [])]
|
||
url = d.get("next")
|
||
if not url:
|
||
break
|
||
elif reg == "ghcr.io":
|
||
st, _h, body = self.net.get("https://ghcr.io/token?scope=repository:%s:pull" % path)
|
||
if st != 200:
|
||
raise SourceError("ghcr.io token for %s: HTTP %s" % (path, st))
|
||
tok = json.loads(body).get("token", "")
|
||
url = "https://ghcr.io/v2/%s/tags/list?n=10000" % path
|
||
for _ in range(50): # ghcr.io PAGES its list (Link: rel="next") — page 1 alone missed every newer tag (R-1327)
|
||
st, h, body = self.net.get(url, {"Authorization": "Bearer %s" % tok})
|
||
if st != 200:
|
||
raise SourceError("ghcr.io tags of %s: HTTP %s" % (path, st))
|
||
names += json.loads(body).get("tags") or []
|
||
nxt = re.search(r'<([^>]+)>;\s*rel="next"', (h or {}).get("Link", "") if hasattr(h, "get") else "")
|
||
if not nxt:
|
||
break
|
||
url = "https://ghcr.io" + nxt.group(1) if nxt.group(1).startswith("/") else nxt.group(1)
|
||
else:
|
||
names = None # a registry the watch does not read (our own Gitea, GitLab): stated, not a failure
|
||
self._tags[image] = names
|
||
return names
|
||
|
||
|
||
def registry_of(image):
|
||
first = image.split("/", 1)[0]
|
||
if "." in first or ":" in first:
|
||
reg, path = first, image.split("/", 1)[1] if "/" in image else ""
|
||
else:
|
||
reg, path = "docker.io", image
|
||
if reg in ("lscr.io", "index.docker.io", "registry-1.docker.io"):
|
||
reg = "docker.io"
|
||
if reg == "docker.io" and "/" not in path:
|
||
path = "library/" + path
|
||
return reg, path
|
||
|
||
|
||
# ── one pin ──────────────────────────────────────────────────────────────────────────────────────────────────────────
|
||
def newest_in_channel(tag, names):
|
||
ours = version_of(tag)
|
||
if not ours or not names:
|
||
return None, None
|
||
shape = re.compile("^" + re.sub(r"\d+", r"\\d+", re.escape(tag)) + "$")
|
||
best, newer_major = None, None
|
||
for n in names:
|
||
if not shape.match(n):
|
||
continue
|
||
v = version_of(n)
|
||
if not v or len(v) != len(ours):
|
||
continue
|
||
if same_channel(ours, v):
|
||
if vcmp(v, ours) > 0 and (best is None or vcmp(v, version_of(best)) > 0):
|
||
best = n
|
||
elif v[0] > ours[0] and (newer_major is None or vcmp(v, version_of(newer_major)) > 0):
|
||
newer_major = n
|
||
return best, newer_major
|
||
|
||
|
||
def check_item(it, src, today):
|
||
"""-> the item with `class`, `advisories`, `not_checked`, `behind`, `notes` filled in."""
|
||
if it.get("abandoned"):
|
||
it.update({"advisories": [], "not_checked": [], "behind": None, "class": "GAP",
|
||
"notes": ["abandoned upstream (lifecycle: abandoned) — no fix will ever come; not looked up"]})
|
||
if it.get("problems"):
|
||
it["not_checked"].append({"source": "inventory", "why": "; ".join(it["problems"])})
|
||
it["class"] = "NOT CHECKED"
|
||
return it
|
||
ours = version_of(it["tag"])
|
||
floating = is_floating(it["tag"])
|
||
advs, nc, notes = [], [], []
|
||
kinds = [k for k, _ in it.get("sources") or []]
|
||
for kind, arg in it.get("sources") or []:
|
||
try:
|
||
if kind in ("github", "advisories"):
|
||
if src.rotate and it["group"] == "app" and (zlib.crc32(arg.encode()) + today.toordinal()) % 2:
|
||
notes.append("advisories of %s: read tomorrow (no-key rotation)" % arg)
|
||
it["adv_unread"] = True
|
||
elif floating:
|
||
notes.append("advisories of %s: not matched (floating tag)" % arg)
|
||
else:
|
||
for a in src.gh_advisories(arg):
|
||
if a.get("withdrawn_at"):
|
||
continue
|
||
hit, fixed = ghsa_affects(a, ours, arg)
|
||
if hit is False:
|
||
continue
|
||
advs.append({"id": a.get("ghsa_id") or a.get("cve_id") or "?", "source": "GitHub advisory",
|
||
"severity": a.get("severity") or "", "summary": a.get("summary") or "",
|
||
"fixed": fixed, "link": a.get("html_url") or "",
|
||
"unsure": hit is None, "published": (a.get("published_at") or "")[:10]})
|
||
if kind == "github" and not floating:
|
||
for e in src.release_feed(arg):
|
||
v = version_of(e["tag"])
|
||
if not v or PRERELEASE.search(e["tag"]) or vcmp(v, ours) <= 0 or not same_channel(ours, v):
|
||
continue
|
||
m = STRONG.search(e["content"]) or STRONG.search(e["title"])
|
||
if m:
|
||
line = next((ln.strip() for ln in re.split(r"[\n.]", e["content"]) if STRONG.search(ln)), m.group(0))
|
||
advs.append({"id": "release:%s@%s" % (arg, e["tag"]), "source": "release notes",
|
||
"severity": "", "summary": line[:200], "fixed": e["tag"], "link": e["link"],
|
||
"unsure": False, "published": ""})
|
||
elif kind == "osv" and not floating:
|
||
ver = ".".join(str(x) for x in ours)
|
||
for vuln in src.osv(arg, ver):
|
||
fx = []
|
||
for a in vuln.get("affected", []):
|
||
for r in a.get("ranges", []):
|
||
fx += [e["fixed"] for e in r.get("events", []) if "fixed" in e]
|
||
advs.append({"id": vuln.get("id", "?"), "source": "OSV (%s)" % arg, "severity": "",
|
||
"summary": vuln.get("summary") or vuln.get("details", "")[:160],
|
||
"fixed": ", ".join(sorted(set(fx))) or "?", "unsure": False,
|
||
"link": "https://osv.dev/vulnerability/%s" % vuln.get("id", ""), "published": ""})
|
||
elif kind == "feed":
|
||
cut = today - datetime.timedelta(days=FEED_DAYS)
|
||
for item in src.feed(arg):
|
||
try:
|
||
d = email.utils.parsedate_to_datetime(item["date"]).date()
|
||
except Exception: # noqa: BLE001 — an undated item is judged, never dropped
|
||
d = today
|
||
low = item["text"].lower()
|
||
if d < cut or not any(k in low for k in FEEDS[arg]["keywords"]) or not FEED_WORDS.search(item["text"]):
|
||
continue
|
||
advs.append({"id": "feed:%s:%s" % (arg, item["guid"]), "source": "vendor notice (%s)" % arg,
|
||
"severity": "", "summary": item["title"], "fixed": "read the notice", "unsure": True,
|
||
"link": item["link"], "published": str(d), "no_reminder": True})
|
||
elif kind == "vulnnotes" and not floating:
|
||
for ver, lines in src.vulnnotes(arg).items():
|
||
v = version_of(ver)
|
||
if v and vcmp(v, ours) > 0:
|
||
for ln in lines:
|
||
if VULNNOTES[arg]["marker"] in ln:
|
||
vid = re.search(r"%s\S+" % re.escape(VULNNOTES[arg]["marker"]), ln)
|
||
advs.append({"id": "vulnnotes:%s@%s:%s" % (arg, ver, vid.group(0).rstrip(":") if vid else ""),
|
||
"source": "release notes (%s)" % arg, "severity": "", "summary": ln[:200],
|
||
"fixed": ver, "unsure": False, "published": "",
|
||
"link": VULNNOTES[arg]["url"]})
|
||
except SourceError as e:
|
||
nc.append({"source": source_name(kind, arg), "why": str(e)})
|
||
it["adv_unread"] = True
|
||
behind, newer_major = None, None
|
||
if it.get("no_registry"):
|
||
gh = next((a for k, a in it.get("sources") or [] if k == "github"), None)
|
||
try:
|
||
names = [e["tag"].lstrip("v") for e in src.release_feed(gh)] if gh else None
|
||
if names is None:
|
||
notes.append("no registry and no release feed to compare with")
|
||
else:
|
||
behind, newer_major = newest_in_channel(it["tag"].lstrip("v"), names)
|
||
except SourceError as e:
|
||
nc.append({"source": "github", "why": str(e)})
|
||
elif "self" not in kinds:
|
||
try:
|
||
names = src.tags(it["image"])
|
||
if names is None:
|
||
notes.append("registry not read (%s)" % registry_of(it["image"])[0])
|
||
else:
|
||
behind, newer_major = newest_in_channel(it["tag"], names)
|
||
except SourceError as e:
|
||
nc.append({"source": "registry:%s" % registry_of(it["image"])[0], "why": str(e)})
|
||
if newer_major:
|
||
notes.append("a newer major exists: %s" % newer_major)
|
||
if getattr(src, "runtime", None) and not it.get("no_registry") and it.get("image") and it.get("tag"):
|
||
res = src.runtime("%s:%s" % (it["image"], it["tag"]))
|
||
unchecked = res.get("unchecked") or []
|
||
no_route = [u for u in unchecked if u.startswith("registry ") and "no anonymous token route" in u]
|
||
if no_route and it["group"] != "dooplex":
|
||
notes.append("runtime: %s" % no_route[0])
|
||
elif unchecked:
|
||
nc.append({"source": "runtime", "why": "; ".join(unchecked)[:300]})
|
||
advs += runtime_advisories(res, it["group"])
|
||
it.update({"advisories": advs, "not_checked": nc, "behind": behind, "notes": notes})
|
||
if it.get("problems"):
|
||
nc.append({"source": "inventory", "why": "; ".join(it["problems"])})
|
||
if advs:
|
||
it["class"] = "ADVISORY"
|
||
elif nc:
|
||
it["class"] = "NOT CHECKED"
|
||
elif "gap" in kinds and not [k for k in kinds if k != "gap"]:
|
||
it["class"] = "GAP"
|
||
elif "self" in kinds and len(kinds) == 1:
|
||
it["class"] = "SELF"
|
||
elif floating:
|
||
it["class"] = "FLOATING"
|
||
elif behind:
|
||
it["class"] = "BEHIND"
|
||
else:
|
||
it["class"] = "CURRENT"
|
||
return it
|
||
|
||
|
||
def source_name(kind, arg):
|
||
return {"github": "github", "advisories": "github", "osv": "osv", "feed": "feed:" + arg,
|
||
"vulnnotes": "vulnnotes:" + arg}.get(kind, kind)
|
||
|
||
|
||
# ── memory and mails (pure: the tests drive this directly) ──────────────────────────────────────────────────────────
|
||
def adv_key(it, a):
|
||
return "%s|%s" % (it["image"], a["id"])
|
||
|
||
|
||
def label(it):
|
||
return "%s %s (%s)" % (it["image"], it["tag"], it["owner"])
|
||
|
||
|
||
def plan(items, state, today, seed=False):
|
||
"""-> (mails, new_state, would_have_mailed). A mail is {"kind","subject","text"}."""
|
||
st = json.loads(json.dumps(state or {}))
|
||
st.setdefault("version", 1)
|
||
known = st.setdefault("advisories", {})
|
||
fails = st.setdefault("failures", {})
|
||
iso = today.isoformat()
|
||
mails, would = [], []
|
||
open_now, checked_images = {}, set()
|
||
for it in items:
|
||
if not it.get("not_checked"):
|
||
checked_images.add(it["image"])
|
||
for a in it.get("advisories", []):
|
||
open_now[adv_key(it, a)] = (it, a)
|
||
# A seed that could not read some pins (no key: rotation; or a source down) leaves them PENDING: their first real
|
||
# read is recorded silently too, so the first nights after a seed are no mail storm. A pin added later is never
|
||
# pending, so its advisories mail normally.
|
||
pending = set(st.get("seed_pending", []))
|
||
if seed:
|
||
pending = {it["image"] for it in items if it.get("adv_unread")}
|
||
else:
|
||
for it in items:
|
||
if it["image"] in pending and not it.get("adv_unread"):
|
||
for a in it.get("advisories", []):
|
||
k = adv_key(it, a)
|
||
if k not in known:
|
||
known[k] = {"first": iso, "last_mailed": iso, "program": label(it), "summary": a["summary"][:160],
|
||
"silent": "first read after the seed"}
|
||
would.append({"kind": "advisory", "subject": "(silent, first read after the seed) %s %s" % (
|
||
it["image"], a["id"]), "text": ""})
|
||
pending.discard(it["image"])
|
||
st["seed_pending"] = sorted(pending)
|
||
new, remind = [], []
|
||
for k, (it, a) in sorted(open_now.items()):
|
||
if k not in known:
|
||
new.append((it, a))
|
||
known[k] = {"first": iso, "last_mailed": iso, "program": label(it), "summary": a["summary"][:160]}
|
||
elif not a.get("no_reminder") and (today - datetime.date.fromisoformat(known[k]["last_mailed"])).days >= REMIND_DAYS:
|
||
remind.append((it, a))
|
||
known[k]["last_mailed"] = iso
|
||
for k in list(known):
|
||
if k not in open_now and k.split("|", 1)[0] in checked_images:
|
||
del known[k] # closed: its pin was checked tonight and the notice no longer applies
|
||
if new or remind:
|
||
m = advisory_mail(new, remind, today)
|
||
if seed:
|
||
would.append(m)
|
||
else:
|
||
mails.append(m)
|
||
failed_now = {}
|
||
for it in items:
|
||
for f in it.get("not_checked", []):
|
||
failed_now.setdefault(f["source"], []).append("%s — %s" % (label(it), f["why"]))
|
||
streak_mail = []
|
||
for s in sorted(set(fails) | set(failed_now)):
|
||
rec = fails.setdefault(s, {"streak": 0, "mailed": False})
|
||
if s in failed_now:
|
||
rec["streak"] += 1
|
||
if rec["streak"] >= 2 and not rec["mailed"]:
|
||
streak_mail.append((s, rec["streak"], failed_now[s]))
|
||
rec["mailed"] = True
|
||
else:
|
||
del fails[s]
|
||
if streak_mail and not seed:
|
||
mails.append(not_checked_mail(streak_mail, today))
|
||
last_weekly = st.get("weekly_last")
|
||
due = today.weekday() == 0 and last_weekly != iso
|
||
if last_weekly and (today - datetime.date.fromisoformat(last_weekly)).days >= 8:
|
||
due = True
|
||
if seed:
|
||
st["weekly_last"] = iso
|
||
st["seeded_at"] = iso
|
||
elif due:
|
||
mails.append(weekly_mail(items, today))
|
||
st["weekly_last"] = iso
|
||
return mails, st, would
|
||
|
||
|
||
GROUP_ORDER = {"box": 0, "build": 0, "app": 1, "dooplex": 2}
|
||
|
||
|
||
def _grp(it):
|
||
return GROUP_ORDER.get(it["group"], 1)
|
||
|
||
|
||
def _adv_lines(it, a, reminder=False):
|
||
return ["%s%s — %s" % ("REMINDER (still open): " if reminder else "", it["image"], a["id"]),
|
||
" What: %s" % (a["summary"] or "(no summary)"),
|
||
" Our version: %s (%s; %s)" % (it["tag"], it["owner"], it["where"]),
|
||
" Fixed in: %s" % (a["fixed"] or "?"),
|
||
" Severity: %s" % (a["severity"] or "not given"),
|
||
" Source: %s%s" % (a["source"], " — the range could not be read; check by hand" if a.get("unsure") and
|
||
a["source"] == "GitHub advisory" else ""),
|
||
" Link: %s" % (a["link"] or "-"),
|
||
" Next: " + ("the homelab session updates this DooPlex workload (Felhom changes nothing on DooPlex; the "
|
||
"list: documentation/security-watch/dooplex-workloads.txt)" if it["group"] == "dooplex" else
|
||
"the security-fix lane (B23) — capability map B23; for a box program, a controller release"),
|
||
""]
|
||
|
||
|
||
def advisory_mail(new, remind, today):
|
||
allp = new + remind
|
||
box = [it for it, _ in allp if _grp(it) == 0]
|
||
names = []
|
||
for it, _ in sorted(allp, key=lambda p: (_grp(p[0]), p[0]["image"])):
|
||
n = it["image"].rsplit("/", 1)[-1]
|
||
if n not in names:
|
||
names.append(n)
|
||
subject = "[Felhom security] %s — %d new advisor%s%s" % (
|
||
", ".join(names[:4]) + (" …" if len(names) > 4 else ""), len(new), "y" if len(new) == 1 else "ies",
|
||
", %d reminder%s" % (len(remind), "" if len(remind) == 1 else "s") if remind else "")
|
||
lines = ["The nightly security watch (felhom.eu R-1303) found a notice that affects a version we ship.", "",
|
||
"Box programs first%s." % ("" if box else " (none tonight)"), ""]
|
||
for it, a in sorted(new, key=lambda p: (_grp(p[0]), p[0]["image"])):
|
||
lines += _adv_lines(it, a)
|
||
for it, a in sorted(remind, key=lambda p: (_grp(p[0]), p[0]["image"])):
|
||
lines += _adv_lines(it, a, reminder=True)
|
||
lines += ["A notice is mailed once, and again every %d days while it stays open. Night of %s." % (REMIND_DAYS, today)]
|
||
return {"kind": "advisory", "subject": subject, "text": "\n".join(lines)}
|
||
|
||
|
||
def not_checked_mail(streaks, today):
|
||
lines = ["The security watch could not check these sources for two nights or more. Silence from the watch does",
|
||
'not mean "safe" while this lasts.', ""]
|
||
for s, n, what in streaks:
|
||
lines.append("%s — %d nights in a row:" % (s, n))
|
||
lines += [" " + w for w in what[:20]] + ([" … %d more" % (len(what) - 20)] if len(what) > 20 else []) + [""]
|
||
lines.append("Night of %s. The run log names every failure." % today)
|
||
return {"kind": "not_checked", "subject": "[Felhom security] the watch could not check %s" % ", ".join(s for s, _, _ in streaks),
|
||
"text": "\n".join(lines)}
|
||
|
||
|
||
def weekly_mail(items, today):
|
||
def block(title, rows):
|
||
return ([title] + [" " + r for r in rows] + [""]) if rows else []
|
||
lines = ["The weekly summary of the security watch (felhom.eu R-1303): newer versions with no security notice.", ""]
|
||
for grp, name in ((0, "Box programs and builds"), (1, "Catalog apps"),
|
||
(2, "DooPlex (homelab) — a list for the homelab session; Felhom changes nothing there")):
|
||
sel = [it for it in items if _grp(it) == grp]
|
||
lines += block(name + " — BEHIND:", ["%s %s -> %s (%s)" % (it["image"], it["tag"], it["behind"], it["owner"])
|
||
for it in sel if it.get("behind")])
|
||
lines += block("Open advisories (mailed already):", sorted({"%s %s — %s" % (it["image"], it["tag"], a["id"])
|
||
for it in items for a in it.get("advisories", [])}))
|
||
lines += block("No machine-readable source (GAP) — not watched for notices:",
|
||
sorted({"%s — %s" % (it["image"], next((v for k, v in it.get("sources", []) if k == "gap"),
|
||
"; ".join(it.get("notes", []))))
|
||
for it in items if it.get("class") == "GAP"}))
|
||
lines += block("Floating tags (no exact version to match a notice against):",
|
||
sorted({"%s:%s (%s)" % (it["image"], it["tag"], it["owner"]) for it in items if it.get("class") == "FLOATING"}))
|
||
lines += block("NOT CHECKED tonight:", ["%s — %s" % (label(it), "; ".join(f["why"] for f in it["not_checked"]))
|
||
for it in items if it.get("not_checked")])
|
||
counts = {}
|
||
for it in items:
|
||
counts[it.get("class", "?")] = counts.get(it.get("class", "?"), 0) + 1
|
||
lines.append("Counts: " + ", ".join("%s %d" % kv for kv in sorted(counts.items())))
|
||
return {"kind": "weekly", "subject": "[Felhom security] weekly: %d behind, %d advisories open" % (
|
||
sum(1 for it in items if it.get("behind")), sum(len(it.get("advisories", [])) for it in items)),
|
||
"text": "\n".join(lines)}
|
||
|
||
|
||
def send(mail, key, test=False):
|
||
body = json.dumps({"from": MAIL_FROM, "to": [MAIL_TO], "subject": mail["subject"], "text": mail["text"]}).encode()
|
||
req = urllib.request.Request("https://api.resend.com/emails", data=body, method="POST", headers={
|
||
"Authorization": "Bearer %s" % key, "Content-Type": "application/json",
|
||
# Cloudflare in front of api.resend.com refuses urllib's default agent (403 error 1010, measured 2026-08-02).
|
||
"User-Agent": "felhom-ci/1.0"})
|
||
with urllib.request.urlopen(req, timeout=30) as r:
|
||
return json.load(r)["id"]
|
||
|
||
|
||
# ── the run ──────────────────────────────────────────────────────────────────────────────────────────────────────────
|
||
def run(items, net, today, rotate, runtime=None):
|
||
"""`runtime`: a reader (cached_runtime_reader) for the images' own runtime parts; None = not looked at (the tests
|
||
of W1–W9). main() always hands one."""
|
||
src = Sources(net, today, rotate)
|
||
src.runtime = runtime
|
||
# Box programs first, one by one (they share sources with nothing); apps in a small pool.
|
||
box = [it for it in items if _grp(it) == 0]
|
||
apps = [it for it in items if _grp(it) != 0] # catalog apps and the DooPlex list share the pool
|
||
for it in box:
|
||
check_item(it, src, today)
|
||
with concurrent.futures.ThreadPoolExecutor(max_workers=6) as ex:
|
||
list(ex.map(lambda it: check_item(it, src, today), apps))
|
||
return items
|
||
|
||
|
||
def table(items):
|
||
order = {"ADVISORY": 0, "NOT CHECKED": 1, "BEHIND": 2, "GAP": 3, "FLOATING": 4, "SELF": 5, "CURRENT": 6}
|
||
out = []
|
||
for it in sorted(items, key=lambda i: (order.get(i["class"], 9), i["group"] == "app", i["image"])):
|
||
extra = ""
|
||
if it["class"] == "ADVISORY":
|
||
extra = "; ".join("%s (fixed %s)" % (a["id"], a["fixed"]) for a in it["advisories"][:4])
|
||
if len(it["advisories"]) > 4:
|
||
extra += "; … %d more" % (len(it["advisories"]) - 4)
|
||
elif it["class"] == "NOT CHECKED":
|
||
extra = "; ".join(f["why"] for f in it["not_checked"])[:200]
|
||
elif it.get("behind"):
|
||
extra = "newest " + it["behind"]
|
||
out.append("%-11s %-4s %-46s %-22s %s" % (it["class"], it["group"][:4], it["image"][:46], it["tag"][:22], extra))
|
||
return out
|
||
|
||
|
||
def main(argv):
|
||
opts = dict(a[2:].split("=", 1) if "=" in a else (a[2:], "1") for a in argv if a.startswith("--"))
|
||
today = datetime.date.fromisoformat(opts["today"]) if "today" in opts else datetime.datetime.utcnow().date()
|
||
key = os.environ.get("RESEND_API_KEY", "")
|
||
if "test-mail" in opts:
|
||
it = {"image": "TEST-program", "tag": "1.0.0", "owner": "a test entry", "where": "no file", "group": "box"}
|
||
a = {"id": "TEST-0000", "summary": "THIS IS A TEST — not a real advisory (R-1303 live proof)", "fixed": "1.0.1",
|
||
"severity": "none (test)", "source": "test", "link": "https://felhom.eu", "unsure": False}
|
||
m = advisory_mail([(it, a)], [], today)
|
||
m["subject"] = "[Felhom security] TEST — not a real advisory: " + m["subject"].split("] ", 1)[1]
|
||
if not key:
|
||
print("TEST MAIL NOT SENT: RESEND_API_KEY is empty")
|
||
return 1
|
||
print("TEST-MAIL RESEND-ACCEPTED id=%s subject=%s" % (send(m, key), m["subject"]))
|
||
return 0
|
||
try:
|
||
items, problems = inv.full_inventory(catalog=opts.get("catalog"), controller=opts.get("controller"))
|
||
except inv.InventoryError as e:
|
||
print("THE LIST OF PINS IS UNREADABLE: %s" % e)
|
||
return 2
|
||
token = os.environ.get("GH_ADVISORY_TOKEN", "")
|
||
net = Net(token)
|
||
print("security watch %s: %d pins (%d box/build, %d app, %d DooPlex); GitHub key %s" % (
|
||
today, len(items), sum(1 for i in items if _grp(i) == 0), sum(1 for i in items if i["group"] == "app"),
|
||
sum(1 for i in items if i["group"] == "dooplex"),
|
||
"PRESENT — every repo's advisories tonight" if token else "ABSENT — apps' advisories in a 2-night rotation"))
|
||
state_path = opts.get("state")
|
||
prior = {}
|
||
if state_path and os.path.isfile(state_path):
|
||
prior = json.load(open(state_path, encoding="utf-8"))
|
||
rcache = {k: dict(v, _seen=False) for k, v in (prior.get("runtime_cache") or {}).items()}
|
||
run(items, net, today, rotate=not token,
|
||
runtime=None if "no-runtime" in opts else cached_runtime_reader(rcache))
|
||
for line in table(items):
|
||
print(line)
|
||
counts = {}
|
||
for it in items:
|
||
counts[it["class"]] = counts.get(it["class"], 0) + 1
|
||
print("COUNTS " + " ".join("%s=%d" % (k.replace(" ", "_"), v) for k, v in sorted(counts.items())))
|
||
print("REQUESTS " + " ".join("%s=%d" % kv for kv in sorted(net.requests.items())))
|
||
state_path = opts.get("state")
|
||
state, missing = {}, True
|
||
if state_path and os.path.isfile(state_path):
|
||
state, missing = json.load(open(state_path, encoding="utf-8")), False
|
||
seed = "seed" in opts or missing
|
||
mails, new_state, would = plan(items, state, today, seed=seed)
|
||
# the runtime cache rides the same state file; only digests seen tonight are kept (it cannot grow without bound)
|
||
new_state["runtime_cache"] = {k: {x: y for x, y in v.items() if x != "_seen"} for k, v in rcache.items()
|
||
if v.get("_seen")}
|
||
if missing and "seed" not in opts:
|
||
lines = ["The watch's memory (%s) was MISSING tonight, so it re-seeded: every advisory open tonight is now" % state_path,
|
||
"recorded as known, and nothing was mailed as new. Read the list below — it is what is open.", ""]
|
||
for w in would:
|
||
lines += [w["subject"], w["text"], ""]
|
||
mails.append({"kind": "state_missing", "subject": "[Felhom security] the watch's memory was missing — re-seeded",
|
||
"text": "\n".join(lines) or "(no open advisory)"})
|
||
for w in would:
|
||
print("WOULD HAVE MAILED (seed): %s" % w["subject"])
|
||
print(w["text"])
|
||
if "json" in opts:
|
||
json.dump(items, open(opts["json"], "w", encoding="utf-8"), indent=1, ensure_ascii=False, default=str)
|
||
rc = 0
|
||
for m in mails:
|
||
if "no-mail" in opts:
|
||
print("MAIL (not sent, --no-mail): %s" % m["subject"])
|
||
continue
|
||
if not key:
|
||
print("MAIL NOT SENT — RESEND_API_KEY is empty: %s" % m["subject"])
|
||
rc = 1
|
||
continue
|
||
try:
|
||
print("MAIL RESEND-ACCEPTED id=%s kind=%s subject=%s" % (send(m, key), m["kind"], m["subject"]))
|
||
except Exception as e: # noqa: BLE001
|
||
print("MAIL FAILED (%s): %s" % (m["subject"], e))
|
||
rc = 1
|
||
if state_path and rc == 0:
|
||
with open(state_path + ".tmp", "w", encoding="utf-8") as f:
|
||
json.dump(new_state, f, indent=1, sort_keys=True, ensure_ascii=False)
|
||
f.write("\n")
|
||
os.replace(state_path + ".tmp", state_path)
|
||
print("STATE written: %s (%d known advisories)" % (state_path, len(new_state.get("advisories", {}))))
|
||
return rc
|
||
|
||
|
||
if __name__ == "__main__":
|
||
sys.exit(main(sys.argv[1:]))
|