Re: imapd is not talking to saslauthd

Michael Rüger <[email protected]> Tue, 30 Jan 2018 23:34:05 +0100
Newsgroups	gmane.comp.security.cyrus.sasl
Message-ID	<[email protected]>
Ken, thank you for jumping in!

Some more info: the apps run as the following users and groups

root@cyrus3:~ # ps aux
USER    PID %CPU %MEM    VSZ  RSS TT  STAT STARTED    TIME COMMAND
root  88686  0.0  0.0  10500 2044  -  SsJ  21:40   0:00.02 /usr/sbin/syslogd -s
root  88717  0.0  0.1  43928 4360  -  IsJ  21:40   0:00.01 /usr/local/sbin/saslauthd -a pam
root  88718  0.0  0.1  43928 4360  -  IJ   21:40   0:00.01 /usr/local/sbin/saslauthd -a pam
root  88720  0.0  0.1  43928 4276  -  IJ   21:40   0:00.00 /usr/local/sbin/saslauthd -a pam
root  88721  0.0  0.1  43928 4360  -  IJ   21:40   0:00.01 /usr/local/sbin/saslauthd -a pam
root  88722  0.0  0.1  43928 4276  -  IJ   21:40   0:00.00 /usr/local/sbin/saslauthd -a pam
cyrus 88724  0.0  0.1  65504 5884  -  SsJ  21:40   0:00.07 /usr/local/cyrus/libexec/master -d

root@cyrus3:~ # su - cyrus
% id
uid=60(cyrus) gid=60(cyrus) groups=60(cyrus),1003(saslauth)


> Am 30.01.2018 um 23:25 schrieb Michael Rüger <[email protected]>:
> 
> root@cyrus3:~ # ls -la /var/run/saslauthd/
> total 13
> drwxr-x---  2 cyrus  saslauth   5 Jan 30 21:40 .
> drwxr-xr-x  6 root   wheel     15 Jan 30 21:40 ..
> srwxrwxrwx  1 root   saslauth   0 Jan 30 21:40 mux
> -rw-------  1 root   saslauth   0 Jan 30 21:40 mux.accept
> -rw-------  1 root   saslauth   6 Jan 30 21:40 saslauthd.pid
> 
>> Am 30.01.2018 um 23:23 schrieb Ken Murchison <[email protected] <mailto:[email protected]>>:
>> 
>> Hi Michael,
>> 
>> What are the permissions on the socket that saslauthd is listening on?
>> 
>> 
>> 
>> On 01/30/2018 05:06 PM, Michael Rüger wrote:
>>> Hi
>>> 
>>> (btw. i was Guest39278 on IRC yesterday and got the chance to introduce myself on googletalk)
>>> 
>>> I’m trying to set up imapd to use saslauthd for authentication.
>>> 
>>> I have already a running saslauthd which uses PAM. I can run this
>>> 
>>> root@cyrus3:/ # testsaslauthd -u mike -p mike
>>> 0: OK "Success.“
>>> 
>>> and if i run
>>> 
>>> root@cyrus3:/ # testsaslauthd -u mike -p abc
>>> 0: NO "authentication failed“
>>> 
>>> i get that logged in auth.log like this
>>> 
>>> Jan 30 21:43:53 cyrus3 saslauthd[88721]: do_auth         : auth failure: [user=mike] [service=imap] [realm=] [mech=pam] [reason=PAM auth error]
>>> 
>>> In imapd.conf i have
>>> 
>>> sasl_pwcheck_method: saslauthd
>>> 
>>> Now i’m authenticate against imapd
>>> 
>>> root@cyrus3:~ # imtest -t "" -u mike -a mike -w mike localhost
>>> S: * OK [CAPABILITY IMAP4rev1 LITERAL+ ID ENABLE STARTTLS LOGINDISABLED AUTH=SCRAM-SHA-1 AUTH=DIGEST-MD5 AUTH=CRAM-MD5 AUTH=NTLM SASL-IR] cyrus3.intern.rueger.me <http://cyrus3.intern.rueger.me/> Cyrus IMAP 3.0.5 server ready
>>> C: S01 STARTTLS
>>> S: S01 OK Begin TLS negotiation now
>>> verify error:num=18:self signed certificate
>>> TLS connection established: TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)
>>> C: C01 CAPABILITY
>>> S: * CAPABILITY IMAP4rev1 LITERAL+ ID ENABLE ACL RIGHTS=kxten QUOTA MAILBOX-REFERRALS NAMESPACE UIDPLUS NO_ATOMIC_RENAME UNSELECT CHILDREN MULTIAPPEND BINARY CATENATE CONDSTORE ESEARCH SEARCH=FUZZY SORT SORT=MODSEQ SORT=DISPLAY SORT=UID THREAD=ORDEREDSUBJECT THREAD=REFERENCES THREAD=REFS ANNOTATEMORE ANNOTATE-EXPERIMENT-1 METADATA LIST-EXTENDED LIST-STATUS LIST-MYRIGHTS LIST-METADATA WITHIN QRESYNC SCAN XLIST XMOVE MOVE SPECIAL-USE CREATE-SPECIAL-USE DIGEST=SHA1 X-REPLICATION URLAUTH URLAUTH=BINARY AUTH=SCRAM-SHA-1 AUTH=DIGEST-MD5 AUTH=CRAM-MD5 AUTH=NTLM AUTH=PLAIN AUTH=LOGIN SASL-IR COMPRESS=DEFLATE X-QUOTA=STORAGE X-QUOTA=MESSAGE X-QUOTA=X-ANNOTATION-STORAGE X-QUOTA=X-NUM-FOLDERS IDLE
>>> S: C01 OK Completed
>>> C: A01 AUTHENTICATE SCRAM-SHA-1 bixhPW1pa2Usbj1taWtlLHI9Z2Z1Ukp1cVc1Z1BybHhaWTdFcjVYUDR2WUtuMVhRNHc=
>>> S: A01 NO authentication failure
>>> Authentication failed. generic failure
>>> Security strength factor: 256
>>> 
>>> Nothing is reported in auth.conf
>>> 
>>> If i do this
>>> 
>>> root@cyrus3:~ # saslpasswd2 -c [email protected] <mailto:[email protected]>
>>> …<entering „mike“ twice here>
>>> root@cyrus3:~ # imtest -t "" -u mike -a mike -w mike localhost
>>> S: * OK [CAPABILITY IMAP4rev1 LITERAL+ ID ENABLE STARTTLS LOGINDISABLED AUTH=SCRAM-SHA-1 AUTH=DIGEST-MD5 AUTH=CRAM-MD5 AUTH=NTLM SASL-IR] cyrus3.intern.rueger.me <http://cyrus3.intern.rueger.me/> Cyrus IMAP 3.0.5 server ready
>>> C: S01 STARTTLS
>>> …
>>> Authenticated.
>>> Security strength factor: 256
>>> 
>>> it is working against local db BUT NOT against saslauthd.
>>> 
>>> How do i setup imapd to talk to saslauthd?
>>> 
>>> BTW i’m using
>>> * cyrus-imapd30-3.0.5
>>> * cyrus-sasl-2.1.26_13
>>> * cyrus-sasl-saslauthd-2.1.26_3
>>> on FreeBSD 11.1
>>> 
>>> Thank you for any help,
>>> Mike
>>> 
>> 
>> --
>> Ken Murchison
>> Cyrus Development Team
>> FastMail US LLC
>> <murch.vcf>
>
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