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Can disable PKCS11 in Makefile with AVOID_GNUTLS_PKCS11 build flag.
Rename gnutls_enable_pkcs11 option to gnutls_allow_auto_pkcs11.
Update Changelog
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Tony documented his new features in 7a5698fa; this change simply adds
them to the list of things that have changed.
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Refactored smtp transport to pull out AUTH-related routines so they could be
also called from the verify code.
Bugs 321, 823.
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Work by J. Nick Koston, for cPanel, Inc.
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This per Tony's suggestion; this makes it clearer that we are merely
setting resolver flags, not performing validation ourselves.
Well, clearer to those who understand DNSSEC. For everyone else,
they'll still be dependent upon a forthcoming new chapter to the
Specification.
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JH has made more changes than he realised. New second JH/11 to JH/13.
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The router name is explicitly nulled after the router exits;
the transport name is set only in the subprocess it runs in.
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New log_selector, smtp_mailauth, to enable.
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Avoiding confusion of 4.80.1 vs 4.81, we went with skipping to 4.82 instead.
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added in ACLs. Bug 199.
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Some whitespace changes; 4.73 item 8: bool_lax{} is an expansion condition, not e. operator.
Fix a comma to a period.
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Used patch from Magnus Holmgren dated 2007-02-20.
Added documentation.
Added tests to detect proper operation.
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GnuTLS 2.12.0 adds PKCS11 support using p11-kit and by default will
autoload modules, which interoperates badly with GNOME keyring
integration, configured via paths in environment variables, and Exim
invoked by the user (eg, mailq) will then try to load the modules, fail
and spew warnings from the module for a library loaded by a library.
http://www.gnu.org/software/gnutls/manual/gnutls.html#Smart-cards-and-HSMs
documents that to prevent this, explicitly init PKCS11 before calling
gnutls_global_init(). So we do so, unless the admin sets the new
option.
Reported by Andreas Metzler, who confirmed that the added calls fixed
the problem for him.
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fixes bug 1117
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Also fix doc claim that value is unexpanded.
Also strip affix whitespace before numeric conversion and fixed string comparison.
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Could not find an API for use with OpenSSL, so GnuTLS only
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Janne Snabb tracked down the GnuTLS 2.12 vs NSS (Thunderbird) interop
problems to a hard-coded limit of 2236 bits for DH in NSS while GnuTLS
was suggesting 2432 bits as normal.
Added new global option tls_dh_max_bits to clamp all DH values (client
or server); unexpanded integer. Default value to 2236. Apply to both
GnuTLS and OpenSSL (which requires tls_dh_params for this).
Tired of debugging "SMTP fails TLS" error messages in mailing-lists
caused by OpenSSL library/include clashes, and of finding out I typo'd
in tls_require_ciphers only at the STARTTLS handshake. During readconf,
fork/drop-privs/initialise-TLS-library. In that, if tls_require_ciphers
is set, then validate it.
The validation child will panic if it can't initialise or if
tls_require_ciphers can't be parsed, else it exits 0. If the child
exits anything other than 0, the main Exim process will exit.
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gnutls_sec_param_to_pk_bits() and gnutls_rnd() are both new as of
GnuTLS 2.12.x. Guard their usage on 2.12.0+ at compile time.
In older versions, the vaguely_random_number() function just immediately
calls the fallback, so it's the same as before this change (just one
extra indirection in the code-path).
Define a constant of 1024 for dh-bits for use in those old releases
where GnuTLS won't tell us how many we should use.
Change the on-disk filename for generated D-H params again, replacing
the -normal with -<bitcount>, so that it's 1024 or whatever, and as
the value changes, Exim will automatically start using the new value.
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GnuTLS code re-done, using cut&paste for preservation where appropriate.
Stop using deprecated APIs. Stop hard-coding lists of ciphers.
Use gnutls_priority_init() instead.
Turns tls_require_ciphers into a string in the GnuTLS case, not just
OpenSSL case.
Deprecate three gnutls_require_* options; now ignored but not errors.
(No warnings yet).
Added TLS SNI support.
Made the channel binding integration theoretically actually work. I had
it guarded by an #ifdef but the value used was an enum instead. Oops.
Fixed.
New code much more amenable to future work permitting TLS in callouts.
DH param sizes now chosen by GnuTLS maintainers, we use "normal"; that's
suddenly a lot more bits, so the saved filename was changed too.
(GNUTLS_SEC_PARAM_NORMAL).
DH param setup only done for servers now, since clients don't need/use
it.
GnuTLS a lot more robust to library negotiation using stuff we don't
support, error-ing out quickly for other authentication systems (PGP,
etc).
Renamed pseudo_random_number() to vaguely_random_number() which makes
the nature clearer.
GnuTLS now provides a vaguely_random_number() implementation, to match
OpenSSL.
Pull in <inttypes.h> to make the recent arithmetic changes compile on
MacOS.
Nuke test 2011 which related to the gnutls_require_* options now
non-functional.
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Remove a couple of stray references to PCRE_CFLAGS too (dating from when PCRE was bundled).
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