PaulHowarth/Blog/2021-08-09

Monday 9th August 2021

Local Packages

  • Updated dovecot:

    • Updated dovecot to 2.3.16:

      • Any unexpected exit() will now result in a core dump; this can especially help notice problems when a Lua script causes exit(0)

      • auth-worker process is now restarted when the number of auth requests reaches service auth-worker { service_count }; the default is still unlimited

      • Event improvements: Added data_stack_grow event and http-client category; see https://doc.dovecot.org/admin_manual/list_of_events/

      • oauth2: Support RFC 7628 openid-configuration element, which allows clients to support OAUTH2 for any server, not just a few hardcoded servers like they do now (see openid_configuration_url setting in dovecot-oauth2.conf.ext)

      • mysql: Single statements are no longer enclosed with BEGIN/COMMIT

      • dovecot-sysreport --core supports multiple core files now and does not require specifying the binary path

      • imapc: When imap_acl plugin is loaded and imapc_features=acl is used, IMAP ACL commands are proxied to the remote server; see https://doc.dovecot.org/configuration_manual/mail_location/imapc/

      • dict-sql now supports the "UPSERT" syntax for SQLite and PostgreSQL

      • imap: If IMAP client disconnects during a COPY command, the copying is aborted, and changes are reverted; this may help to avoid many email duplicates if client disconnects during COPY and retries it after reconnecting

      • master process was using 100% CPU if service attempted to create more processes due to process_min_avail, but process_limit was already reached (v2.3.15 regression)

      • Using attachment detection flags wrongly logged unnecessary "Failed to add attachment keywords" errors (v2.3.13 regression)
      • IMAP QRESYNC: Expunging UID 1 mail resulted in broken VANISHED response, which could have confused IMAP clients (v2.3.13 regression)

      • imap: STORE didn't send untagged replies for \Seen changes for (shared) mailboxes using INDEXPVT (v2.3.10 regression)

      • rawlog_dir setting would not log input that was pipelined after authentication command

      • Fixed potential infinite looping with autoexpunging
      • Log event exporter: Truncate long fields to 1000 bytes
      • LAYOUT=index: ACL inheritance didn't work when creating mailboxes

      • Event filters: Unquoted '?' wildcard caused a crash at startup

      • fs-metawrap: Fix to handling zero sized files

      • imap-hibernate: Fixed potential crash at de-init

      • acl: dovecot-acl-list files were written for acl_ignore_namespaces

      • program-client (used by Sieve extprograms, director_flush_socket) may have missed status response from UNIX and network sockets, resulting in unexpected failures

    • Updated pigeonhole to 0.5.16:

      • .dovecot.sieve.log file now includes year in the header

      • Change Sieve script result execution to delay definitive action execution to the end of a successful Sieve script execution session, which is part of an effort to solve problems with the Sieve duplicate test; as a side-effect, some rare temporary-error cases yield different results, in which partial failure is more likely
  • Updated nmap to 7.92 (see CHANGELOG for details)


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