MMA-1432 - Use Python 3 for local_scan

[cosmingrz]

Why we need this

We need to make exim work with both Python 2 and Python 3 interpreter so we can convert local_scan.py

Tickets/Links

MMA-1432

How we fix it

Remove compilation settings for local_scan.o and let patch_exim_makefile.py handle them. This way we can embed either a Python 2 or a Python 3 interpreter.

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Note

Modernizes SMTP/TLS stack (OCSP, session tickets, PIPE_CONNECT, DANE), hardens transports and taint handling, updates build/tests, and improves reliability across the codebase.

• SMTP/TLS core:
  • Upgrade OpenSSL handling (1.1.1/3.0 compat), keylog, cipher stdnames, channel binding, Extended Master Secret.
  • Add/expand features: OCSP stapling (multi-leaf, PEM/DER, caching), TLS session tickets/resumption, PIPE_CONNECT early pipelining, DANE refinements, PRDR handling, STARTTLS/error paths, SNI expansion.
  • Robust error/timeouts; improved banner/EHLO sync; continued-connection/verify flow; size/auth/SIZE/UTF8 flags; DSN bits.
• Transports:
  • Appendfile/maildir/mailstore MBX fixes; taint-safe path handling (bless/string_copy_taint), safer writes/flush, quota and ocsp helpers.
  • Pipe/autoreply refinements (arg/env handling, logging), queuefile transport added.
• Build/Configure:
  • Autoconf: detect any TLS client (client-anytls), OpenSSL/GnuTLS checks, getaddrinfo; Solaris/SunOS support tweaks.
• Tests:
  • Widespread suite updates (TLS/OCSP artifacts, policy JSON, harness env, scripts), new fixtures and adjusted configs to taint-safe vars.
• Misc:
  • Numerous refactors/cleanups (headers, trees, utf8, version, utils), safety and portability improvements.

^{Written by Cursor Bugbot for commit 9b2df49. This will update automatically on new commits. Configure here.}

The base branch was changed.

[cursor]

Bug: Global LC_ALL=C export breaks UTF-8 documentation generation

The new export LC_ALL=C at the Makefile top breaks the spec.utf8 target. This export causes GenLocalParams to record LC_CTYPE=C instead of the actual system locale, making the UTF-8 locale check (grep -iq 'LC_CTYPE=.*utf-\?8' local_params) always fail. Additionally, the w3m command in spec.utf8 will run with C locale instead of UTF-8, preventing proper UTF-8 output. The spec.txt and filter.txt targets explicitly set LC_ALL=C where needed, but spec.utf8 intentionally omitted it to allow UTF-8 processing.

doc/doc-docbook/Makefile#L2-L3

exim/doc/doc-docbook/Makefile

Lines 2 to 3 in 9b2df49

	# Copyright (c) The Exim Maintainers 2020
	export LC_ALL=C

doc/doc-docbook/Makefile#L182-L188

exim/doc/doc-docbook/Makefile

Lines 182 to 188 in 9b2df49

	spec.utf8: spec-txt.html Tidytxt
	@grep -iq 'LC_CTYPE=.*utf-\?8' local_params || { \
	echo 'your current locale does not support UTF-8' >&2; \
	false; }
	command -v w3m >/dev/null
	w3m -dump spec-txt.html | ./Tidytxt -utf8 >$@

 

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