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selfpost/build/logrotate-loop.sh
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mix 7ef7f75246 release: 1.9.2: Review pass: port-25 milters, DMARC validation, rate-limit fix
Review pass over `1.4.0`…`1.9.1`: port 25 no longer shares the submission milter chain, DMARC reports are validated before they are stored, and the auto rate limit is correct for a non-default level-1 window. Schema migration `0010` (index only). Upgrading is a tag bump.
Added:
  - SQLite migration `0010_send_log_app_login_index.sql` —
  - DMARC aggregate reports are accepted as **zip** as well as gzip or plain XML
  - e2e: `checkPort25ConfigCombinations` regenerates the Postfix configuration
Changed:
  - README hero line and a **Positioning** block in `docs/product.md` record the
Fixed:
  - The setup account's password is hashed at bcrypt cost `12` like every other
  - Login/setup rate limiter: protecting blocked buckets from eviction is now
  - `postqueue -p` output is bounded to 4 MiB (the timeout alone left the size of
  - [schema-migrations.md](docs/schema-migrations.md): the schema section was
  - postqueue reader is now time-bounded: `postqueue -p` runs under a 5-second
  … (11 more in CHANGELOG)
Changed:
  - [roadmap.md](docs/roadmap.md) now carries everything the 2026-08-19 code
  - Extracted `internal/configsafe` — the empty-value and forbidden-character
  - Build, deploy and migration comments no longer cite the archived
  - Dropped the `parseDomainRateLimitForm` / `parseAppRateLimitForm` pass-through
  - Extracted shared helpers: `internal/atomicfile` (atomic temp-write+rename) and
  … (7 more in CHANGELOG)
Removed:
  - Unused legacy asset `docs/assets/icon.png` (superseded by the four brand SVGs
  - Plan documents for already-shipped features: `domain-stats-auto-ratelimit`,

Full detail: CHANGELOG.md (1.9.2).
2026-09-22 15:24:53 +03:00

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#!/bin/sh
# Periodic logrotate for /data/log/mail.log. Rotation renames the file,
# recreates it (`create 0640 postfix selfpost`, matching a cold container
# start), then runs `postfix reload` (the same mechanism `postfix logrotate`
# uses): postlogd keeps writing to the renamed inode until reload, and the
# panel's log-tailer holds its own descriptor on that inode, so nothing written
# before the reload is lost. `create` (rather than `nocreate`) matters here
# beyond timing: a postlogd-triggered recreate lands the file at 0600 owned by
# postfix, which the unprivileged panel process cannot read — confirmed on a
# live container — so logrotate must be the one to create it.
#
# logrotate itself only rotates once the configured "daily" period has elapsed
# (tracked in /var/lib/logrotate/status), so it is safe to invoke this more
# often than daily — polling merely bounds how late a legitimate rotation runs.
set -eu
CONFIG=/etc/logrotate.d/mail
INTERVAL="${LOGROTATE_INTERVAL_SECONDS:-21600}"
# logrotate refuses configs writable by group or others and exits 0 while
# ignoring them — fail here so supervisord reports the fault.
logrotate_config_ok() {
mode=$(stat -c '%a' "$CONFIG")
mode=${mode#0}
grp=$(( (mode / 10) % 10 ))
oth=$(( mode % 10 ))
case $grp in 2|3|6|7) return 1 ;; esac
case $oth in 2|3|6|7) return 1 ;; esac
return 0
}
logrotate_config_fatal() {
echo "logrotate-loop: refusing to run: $CONFIG mode $(stat -c '%a' "$CONFIG") is writable by group or others" >&2
exit 1
}
if ! logrotate_config_ok; then
logrotate_config_fatal
fi
run_logrotate() {
out=$(logrotate "$CONFIG" 2>&1) || {
echo "$out" >&2
return 1
}
case "$out" in
*Ignoring*|*Potentially\ dangerous\ mode*)
echo "$out" >&2
logrotate_config_fatal
;;
esac
return 0
}
while true; do
if ! logrotate_config_ok; then
logrotate_config_fatal
fi
if run_logrotate; then
:
else
echo "logrotate-loop: logrotate failed, will retry after ${INTERVAL}s" >&2
fi
sleep "${INTERVAL}"
done