It looks pretty harmless:

diff --git a/cyrus-sasl.spec b/cyrus-sasl.spec
index 2ebbab0..53eaf21 100644
--- a/cyrus-sasl.spec
+++ b/cyrus-sasl.spec
@@ -258,8 +258,8 @@ echo "$LDFLAGS"
 %endif
         --enable-sql --with-mysql=yes --with-pgsql=yes \
         --without-sqlite \
+        --enable-auth-sasldb \
         "$@"
-        # --enable-auth-sasldb -- EXPERIMENTAL
 make sasldir=%{_plugindir2}
 make -C saslauthd testsaslauthd
 make -C sampl


So, let me try a different tack.

When I stop saslauthd.service and run it from the command line, and try 
"testsaslauthd ..." manually, I see a transaction and debugging output.

When I try "Get mail" with my MacOS mail client, I don't see any output, like 
"auxprop" is accessing the database directly?

There's not a whole lot of documentation about "auxprop" or how to debug it...

Can I use "sasldb" directly in imapd.conf?  Any guidelines to troubleshooting 
it?

I tried using sasldb but don't see any change in authentication failure.

Time to start building .rpm's with debug logs...



> On Jun 8, 2023, at 11:48 AM, Simo Sorce <s...@redhat.com> wrote:
> 
> This is the diff between F37 and F36, maybe you'll find some clue
> there:
> 
> $ git log --oneline origin/f36..origin/f37
> e0d1e57 (origin/f37) Avoid requires on systemd as well as per updated
> guidelines
> db25e25 Avoid systemd_requires as per updated packaging guidelines
> a64513d (HEAD -> rawhide) Fix memory leak in digestmd5 patches
> b96caf4 Rebuilt for
> https://fedoraproject.org/wiki/Fedora_37_Mass_Rebuild
> 7f6beb6 (pag/sysusers, sysusers) Use systemd sysusers to create
> saslauth user
> de822fc Enable sasldb authentication mechanism
> a1359a4 (pag/rawhide, pag/main) Fix changelog section with correct
> syntax
> eba3ea5 Update to 2.1.28
> b229146 Move to use autorelease macro
> d09a799 Move to use the autochangelog macro
> 
> HTH,
> Simo.
> 
> 
> On Thu, 2023-06-08 at 10:39 -0600, Philip Prindeville wrote:
>> Hi,
>> 
>> I had been running F36 and updated to F37.  After rebooting, authentication 
>> started failing (seemingly sporadically).
>> 
>> I'm seeing:
>> 
>> Jun  8 10:32:10 mail cyrus/imaps[16976]: starttls: TLSv1.2 with cipher 
>> ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits new) no authentication
>> Jun  8 10:32:10 mail cyrus/imaps[16976]: client id 
>> sessionid=<cyrus-1686241930-16976-1-13642841045060016715>: "name" "Mac OS X 
>> Mail" "version" "16.0 (3731.600.7)" "os" "Mac OS X" "os-version" "13.4 
>> (22F66)" "vendor" "Apple Inc."
>> Jun  8 10:32:10 mail cyrus/imaps[16976]: badlogin: 
>> macbook3-3.redfish-solutions.com [192.168.8.12] CRAM-MD5 (-notset-) 
>> [SASL(-13): user not found: user: joeb...@mail.redfish-solutions.com 
>> property: cmusaslsecretCRAM-MD5 not found in /etc/sasl2/sasldb2]
>> 
>> But I shouldn't be seeing any domain at all (or realm, whichever) when the 
>> SASL lookups are done.
>> 
>> This has worked in my configuration for years.  Not sure why it's suddenly 
>> failing with the update.
>> 
>> The relevant part of my /etc/imapd.conf is:
>> 
>> sasl_pwcheck_method: auxprop
>> sasl_mech_list: CRAM-MD5 DIGEST-MD5
>> 
>> And if I use "testsaslauthd -u user -p password" I get a Success.
>> 
>> This is what I'm running:
>> 
>> cyrus-imapd-3.4.4-2.fc37.x86_64
>> cyrus-imapd-libs-3.4.4-2.fc37.x86_64
>> cyrus-imapd-utils-3.4.4-2.fc37.x86_64
>> cyrus-sasl-2.1.28-8.fc37.x86_64
>> cyrus-sasl-lib-2.1.28-8.fc37.x86_64
>> cyrus-sasl-md5-2.1.28-8.fc37.x86_64
>> cyrus-sasl-ntlm-2.1.28-8.fc37.x86_64
>> cyrus-sasl-plain-2.1.28-8.fc37.x86_64
>> 
>> SMTP Submission (port 587) with Sendmail AUTH continues to work, and that's 
>> using SASL and the same credentials, so the database isn't corrupted.
>> 
>> My clients are MacOS and iOS, if that matters.
>> 
>> I ran the session logging on MacOS and decoded the AUTH transaction in 
>> IMAP/S, and it's definitely sending just the username, no realm/domain... so 
>> no idea where this is creeping in.
>> 
>> Mail is down, and there's an angry mob outside my office...
>> 
>> Any assistance?
>> 
>> Thanks,
>> 
>> -Philip
>> 
> 
> --
> Simo Sorce
> RHEL Crypto Team
> Red Hat, Inc
> 

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